Merge pull request #6830 from akien-mga/thirdparty

Move most "drivers" as toggleable "modules" and split their thirdparty libraries in an own tree

22 files changed, 10682 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/bio/b_dump.c b/thirdparty/openssl/crypto/bio/b_dump.c
new file mode 100644
index 0000000000..ccf0e287c4
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/b_dump.c
@@ -0,0 +1,208 @@
+/* crypto/bio/b_dump.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+/*
+ * Stolen from tjh's ssl/ssl_trc.c stuff.
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include "bio_lcl.h"
+
+#define TRUNCATE
+#define DUMP_WIDTH      16
+#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4))
+
+int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
+                void *u, const char *s, int len)
+{
+    return BIO_dump_indent_cb(cb, u, s, len, 0);
+}
+
+int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
+                       void *u, const char *s, int len, int indent)
+{
+    int ret = 0;
+    char buf[288 + 1], tmp[20], str[128 + 1];
+    int i, j, rows, trc;
+    unsigned char ch;
+    int dump_width;
+
+    trc = 0;
+
+#ifdef TRUNCATE
+    for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--)
+        trc++;
+#endif
+
+    if (indent < 0)
+        indent = 0;
+    if (indent) {
+        if (indent > 128)
+            indent = 128;
+        memset(str, ' ', indent);
+    }
+    str[indent] = '\0';
+
+    dump_width = DUMP_WIDTH_LESS_INDENT(indent);
+    rows = (len / dump_width);
+    if ((rows * dump_width) < len)
+        rows++;
+    for (i = 0; i < rows; i++) {
+        BUF_strlcpy(buf, str, sizeof buf);
+        BIO_snprintf(tmp, sizeof tmp, "%04x - ", i * dump_width);
+        BUF_strlcat(buf, tmp, sizeof buf);
+        for (j = 0; j < dump_width; j++) {
+            if (((i * dump_width) + j) >= len) {
+                BUF_strlcat(buf, "   ", sizeof buf);
+            } else {
+                ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
+                BIO_snprintf(tmp, sizeof tmp, "%02x%c", ch,
+                             j == 7 ? '-' : ' ');
+                BUF_strlcat(buf, tmp, sizeof buf);
+            }
+        }
+        BUF_strlcat(buf, "  ", sizeof buf);
+        for (j = 0; j < dump_width; j++) {
+            if (((i * dump_width) + j) >= len)
+                break;
+            ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
+#ifndef CHARSET_EBCDIC
+            BIO_snprintf(tmp, sizeof tmp, "%c",
+                         ((ch >= ' ') && (ch <= '~')) ? ch : '.');
+#else
+            BIO_snprintf(tmp, sizeof tmp, "%c",
+                         ((ch >= os_toascii[' ']) && (ch <= os_toascii['~']))
+                         ? os_toebcdic[ch]
+                         : '.');
+#endif
+            BUF_strlcat(buf, tmp, sizeof buf);
+        }
+        BUF_strlcat(buf, "\n", sizeof buf);
+        /*
+         * if this is the last call then update the ddt_dump thing so that we
+         * will move the selection point in the debug window
+         */
+        ret += cb((void *)buf, strlen(buf), u);
+    }
+#ifdef TRUNCATE
+    if (trc > 0) {
+        BIO_snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n", str,
+                     len + trc);
+        ret += cb((void *)buf, strlen(buf), u);
+    }
+#endif
+    return (ret);
+}
+
+#ifndef OPENSSL_NO_FP_API
+static int write_fp(const void *data, size_t len, void *fp)
+{
+    return UP_fwrite(data, len, 1, fp);
+}
+
+int BIO_dump_fp(FILE *fp, const char *s, int len)
+{
+    return BIO_dump_cb(write_fp, fp, s, len);
+}
+
+int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
+{
+    return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
+}
+#endif
+
+static int write_bio(const void *data, size_t len, void *bp)
+{
+    return BIO_write((BIO *)bp, (const char *)data, len);
+}
+
+int BIO_dump(BIO *bp, const char *s, int len)
+{
+    return BIO_dump_cb(write_bio, bp, s, len);
+}
+
+int BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
+{
+    return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
+}
+
+int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
+                   int datalen)
+{
+    int i, j = 0;
+
+    if (datalen < 1)
+        return 1;
+
+    for (i = 0; i < datalen - 1; i++) {
+        if (i && !j)
+            BIO_printf(out, "%*s", indent, "");
+
+        BIO_printf(out, "%02X:", data[i]);
+
+        j = (j + 1) % width;
+        if (!j)
+            BIO_printf(out, "\n");
+    }
+
+    if (i && !j)
+        BIO_printf(out, "%*s", indent, "");
+    BIO_printf(out, "%02X", data[datalen - 1]);
+    return 1;
+}
diff --git a/thirdparty/openssl/crypto/bio/b_print.c b/thirdparty/openssl/crypto/bio/b_print.c
new file mode 100644
index 0000000000..90248fa2aa
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/b_print.c
@@ -0,0 +1,863 @@
+/* crypto/bio/b_print.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+/* disable assert() unless BIO_DEBUG has been defined */
+#ifndef BIO_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+
+/*
+ * Stolen from tjh's ssl/ssl_trc.c stuff.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <assert.h>
+#include <limits.h>
+#include "cryptlib.h"
+#ifndef NO_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#include <openssl/bn.h>         /* To get BN_LLONG properly defined */
+#include <openssl/bio.h>
+
+#if defined(BN_LLONG) || defined(SIXTY_FOUR_BIT)
+# ifndef HAVE_LONG_LONG
+#  define HAVE_LONG_LONG 1
+# endif
+#endif
+
+/***************************************************************************/
+
+/*
+ * Copyright Patrick Powell 1995
+ * This code is based on code written by Patrick Powell <papowell@astart.com>
+ * It may be used for any purpose as long as this notice remains intact
+ * on all source code distributions.
+ */
+
+/*-
+ * This code contains numerious changes and enhancements which were
+ * made by lots of contributors over the last years to Patrick Powell's
+ * original code:
+ *
+ * o Patrick Powell <papowell@astart.com>      (1995)
+ * o Brandon Long <blong@fiction.net>          (1996, for Mutt)
+ * o Thomas Roessler <roessler@guug.de>        (1998, for Mutt)
+ * o Michael Elkins <me@cs.hmc.edu>            (1998, for Mutt)
+ * o Andrew Tridgell <tridge@samba.org>        (1998, for Samba)
+ * o Luke Mewburn <lukem@netbsd.org>           (1999, for LukemFTP)
+ * o Ralf S. Engelschall <rse@engelschall.com> (1999, for Pth)
+ * o ...                                       (for OpenSSL)
+ */
+
+#ifdef HAVE_LONG_DOUBLE
+# define LDOUBLE long double
+#else
+# define LDOUBLE double
+#endif
+
+#ifdef HAVE_LONG_LONG
+# if defined(_WIN32) && !defined(__GNUC__)
+#  define LLONG __int64
+# else
+#  define LLONG long long
+# endif
+#else
+# define LLONG long
+#endif
+
+static int fmtstr(char **, char **, size_t *, size_t *,
+                  const char *, int, int, int);
+static int fmtint(char **, char **, size_t *, size_t *,
+                  LLONG, int, int, int, int);
+static int fmtfp(char **, char **, size_t *, size_t *,
+                 LDOUBLE, int, int, int);
+static int doapr_outch(char **, char **, size_t *, size_t *, int);
+static int _dopr(char **sbuffer, char **buffer,
+                 size_t *maxlen, size_t *retlen, int *truncated,
+                 const char *format, va_list args);
+
+/* format read states */
+#define DP_S_DEFAULT    0
+#define DP_S_FLAGS      1
+#define DP_S_MIN        2
+#define DP_S_DOT        3
+#define DP_S_MAX        4
+#define DP_S_MOD        5
+#define DP_S_CONV       6
+#define DP_S_DONE       7
+
+/* format flags - Bits */
+#define DP_F_MINUS      (1 << 0)
+#define DP_F_PLUS       (1 << 1)
+#define DP_F_SPACE      (1 << 2)
+#define DP_F_NUM        (1 << 3)
+#define DP_F_ZERO       (1 << 4)
+#define DP_F_UP         (1 << 5)
+#define DP_F_UNSIGNED   (1 << 6)
+
+/* conversion flags */
+#define DP_C_SHORT      1
+#define DP_C_LONG       2
+#define DP_C_LDOUBLE    3
+#define DP_C_LLONG      4
+
+/* some handy macros */
+#define char_to_int(p) (p - '0')
+#define OSSL_MAX(p,q) ((p >= q) ? p : q)
+
+static int
+_dopr(char **sbuffer,
+      char **buffer,
+      size_t *maxlen,
+      size_t *retlen, int *truncated, const char *format, va_list args)
+{
+    char ch;
+    LLONG value;
+    LDOUBLE fvalue;
+    char *strvalue;
+    int min;
+    int max;
+    int state;
+    int flags;
+    int cflags;
+    size_t currlen;
+
+    state = DP_S_DEFAULT;
+    flags = currlen = cflags = min = 0;
+    max = -1;
+    ch = *format++;
+
+    while (state != DP_S_DONE) {
+        if (ch == '\0' || (buffer == NULL && currlen >= *maxlen))
+            state = DP_S_DONE;
+
+        switch (state) {
+        case DP_S_DEFAULT:
+            if (ch == '%')
+                state = DP_S_FLAGS;
+            else
+                if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
+                    return 0;
+            ch = *format++;
+            break;
+        case DP_S_FLAGS:
+            switch (ch) {
+            case '-':
+                flags |= DP_F_MINUS;
+                ch = *format++;
+                break;
+            case '+':
+                flags |= DP_F_PLUS;
+                ch = *format++;
+                break;
+            case ' ':
+                flags |= DP_F_SPACE;
+                ch = *format++;
+                break;
+            case '#':
+                flags |= DP_F_NUM;
+                ch = *format++;
+                break;
+            case '0':
+                flags |= DP_F_ZERO;
+                ch = *format++;
+                break;
+            default:
+                state = DP_S_MIN;
+                break;
+            }
+            break;
+        case DP_S_MIN:
+            if (isdigit((unsigned char)ch)) {
+                min = 10 * min + char_to_int(ch);
+                ch = *format++;
+            } else if (ch == '*') {
+                min = va_arg(args, int);
+                ch = *format++;
+                state = DP_S_DOT;
+            } else
+                state = DP_S_DOT;
+            break;
+        case DP_S_DOT:
+            if (ch == '.') {
+                state = DP_S_MAX;
+                ch = *format++;
+            } else
+                state = DP_S_MOD;
+            break;
+        case DP_S_MAX:
+            if (isdigit((unsigned char)ch)) {
+                if (max < 0)
+                    max = 0;
+                max = 10 * max + char_to_int(ch);
+                ch = *format++;
+            } else if (ch == '*') {
+                max = va_arg(args, int);
+                ch = *format++;
+                state = DP_S_MOD;
+            } else
+                state = DP_S_MOD;
+            break;
+        case DP_S_MOD:
+            switch (ch) {
+            case 'h':
+                cflags = DP_C_SHORT;
+                ch = *format++;
+                break;
+            case 'l':
+                if (*format == 'l') {
+                    cflags = DP_C_LLONG;
+                    format++;
+                } else
+                    cflags = DP_C_LONG;
+                ch = *format++;
+                break;
+            case 'q':
+                cflags = DP_C_LLONG;
+                ch = *format++;
+                break;
+            case 'L':
+                cflags = DP_C_LDOUBLE;
+                ch = *format++;
+                break;
+            default:
+                break;
+            }
+            state = DP_S_CONV;
+            break;
+        case DP_S_CONV:
+            switch (ch) {
+            case 'd':
+            case 'i':
+                switch (cflags) {
+                case DP_C_SHORT:
+                    value = (short int)va_arg(args, int);
+                    break;
+                case DP_C_LONG:
+                    value = va_arg(args, long int);
+                    break;
+                case DP_C_LLONG:
+                    value = va_arg(args, LLONG);
+                    break;
+                default:
+                    value = va_arg(args, int);
+                    break;
+                }
+                if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,
+                            max, flags))
+                    return 0;
+                break;
+            case 'X':
+                flags |= DP_F_UP;
+                /* FALLTHROUGH */
+            case 'x':
+            case 'o':
+            case 'u':
+                flags |= DP_F_UNSIGNED;
+                switch (cflags) {
+                case DP_C_SHORT:
+                    value = (unsigned short int)va_arg(args, unsigned int);
+                    break;
+                case DP_C_LONG:
+                    value = (LLONG) va_arg(args, unsigned long int);
+                    break;
+                case DP_C_LLONG:
+                    value = va_arg(args, unsigned LLONG);
+                    break;
+                default:
+                    value = (LLONG) va_arg(args, unsigned int);
+                    break;
+                }
+                if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,
+                            ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
+                            min, max, flags))
+                    return 0;
+                break;
+            case 'f':
+                if (cflags == DP_C_LDOUBLE)
+                    fvalue = va_arg(args, LDOUBLE);
+                else
+                    fvalue = va_arg(args, double);
+                if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
+                           flags))
+                    return 0;
+                break;
+            case 'E':
+                flags |= DP_F_UP;
+            case 'e':
+                if (cflags == DP_C_LDOUBLE)
+                    fvalue = va_arg(args, LDOUBLE);
+                else
+                    fvalue = va_arg(args, double);
+                break;
+            case 'G':
+                flags |= DP_F_UP;
+            case 'g':
+                if (cflags == DP_C_LDOUBLE)
+                    fvalue = va_arg(args, LDOUBLE);
+                else
+                    fvalue = va_arg(args, double);
+                break;
+            case 'c':
+                if(!doapr_outch(sbuffer, buffer, &currlen, maxlen,
+                            va_arg(args, int)))
+                    return 0;
+                break;
+            case 's':
+                strvalue = va_arg(args, char *);
+                if (max < 0) {
+                    if (buffer)
+                        max = INT_MAX;
+                    else
+                        max = *maxlen;
+                }
+                if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
+                            flags, min, max))
+                    return 0;
+                break;
+            case 'p':
+                value = (long)va_arg(args, void *);
+                if (!fmtint(sbuffer, buffer, &currlen, maxlen,
+                            value, 16, min, max, flags | DP_F_NUM))
+                    return 0;
+                break;
+            case 'n':          /* XXX */
+                if (cflags == DP_C_SHORT) {
+                    short int *num;
+                    num = va_arg(args, short int *);
+                    *num = currlen;
+                } else if (cflags == DP_C_LONG) { /* XXX */
+                    long int *num;
+                    num = va_arg(args, long int *);
+                    *num = (long int)currlen;
+                } else if (cflags == DP_C_LLONG) { /* XXX */
+                    LLONG *num;
+                    num = va_arg(args, LLONG *);
+                    *num = (LLONG) currlen;
+                } else {
+                    int *num;
+                    num = va_arg(args, int *);
+                    *num = currlen;
+                }
+                break;
+            case '%':
+                if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
+                    return 0;
+                break;
+            case 'w':
+                /* not supported yet, treat as next char */
+                ch = *format++;
+                break;
+            default:
+                /* unknown, skip */
+                break;
+            }
+            ch = *format++;
+            state = DP_S_DEFAULT;
+            flags = cflags = min = 0;
+            max = -1;
+            break;
+        case DP_S_DONE:
+            break;
+        default:
+            break;
+        }
+    }
+    *truncated = (currlen > *maxlen - 1);
+    if (*truncated)
+        currlen = *maxlen - 1;
+    if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
+        return 0;
+    *retlen = currlen - 1;
+    return 1;
+}
+
+static int
+fmtstr(char **sbuffer,
+       char **buffer,
+       size_t *currlen,
+       size_t *maxlen, const char *value, int flags, int min, int max)
+{
+    int padlen;
+    size_t strln;
+    int cnt = 0;
+
+    if (value == 0)
+        value = "<NULL>";
+
+    strln = strlen(value);
+    if (strln > INT_MAX)
+        strln = INT_MAX;
+
+    padlen = min - strln;
+    if (min < 0 || padlen < 0)
+        padlen = 0;
+    if (flags & DP_F_MINUS)
+        padlen = -padlen;
+
+    while ((padlen > 0) && (cnt < max)) {
+        if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+            return 0;
+        --padlen;
+        ++cnt;
+    }
+    while (*value && (cnt < max)) {
+        if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
+            return 0;
+        ++cnt;
+    }
+    while ((padlen < 0) && (cnt < max)) {
+        if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+            return 0;
+        ++padlen;
+        ++cnt;
+    }
+    return 1;
+}
+
+static int
+fmtint(char **sbuffer,
+       char **buffer,
+       size_t *currlen,
+       size_t *maxlen, LLONG value, int base, int min, int max, int flags)
+{
+    int signvalue = 0;
+    const char *prefix = "";
+    unsigned LLONG uvalue;
+    char convert[DECIMAL_SIZE(value) + 3];
+    int place = 0;
+    int spadlen = 0;
+    int zpadlen = 0;
+    int caps = 0;
+
+    if (max < 0)
+        max = 0;
+    uvalue = value;
+    if (!(flags & DP_F_UNSIGNED)) {
+        if (value < 0) {
+            signvalue = '-';
+            uvalue = -value;
+        } else if (flags & DP_F_PLUS)
+            signvalue = '+';
+        else if (flags & DP_F_SPACE)
+            signvalue = ' ';
+    }
+    if (flags & DP_F_NUM) {
+        if (base == 8)
+            prefix = "0";
+        if (base == 16)
+            prefix = "0x";
+    }
+    if (flags & DP_F_UP)
+        caps = 1;
+    do {
+        convert[place++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")
+            [uvalue % (unsigned)base];
+        uvalue = (uvalue / (unsigned)base);
+    } while (uvalue && (place < (int)sizeof(convert)));
+    if (place == sizeof(convert))
+        place--;
+    convert[place] = 0;
+
+    zpadlen = max - place;
+    spadlen =
+        min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - strlen(prefix);
+    if (zpadlen < 0)
+        zpadlen = 0;
+    if (spadlen < 0)
+        spadlen = 0;
+    if (flags & DP_F_ZERO) {
+        zpadlen = OSSL_MAX(zpadlen, spadlen);
+        spadlen = 0;
+    }
+    if (flags & DP_F_MINUS)
+        spadlen = -spadlen;
+
+    /* spaces */
+    while (spadlen > 0) {
+        if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+            return 0;
+        --spadlen;
+    }
+
+    /* sign */
+    if (signvalue)
+        if(!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+            return 0;
+
+    /* prefix */
+    while (*prefix) {
+        if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix))
+            return 0;
+        prefix++;
+    }
+
+    /* zeros */
+    if (zpadlen > 0) {
+        while (zpadlen > 0) {
+            if(!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+                return 0;
+            --zpadlen;
+        }
+    }
+    /* digits */
+    while (place > 0) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]))
+            return 0;
+    }
+
+    /* left justified spaces */
+    while (spadlen < 0) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+            return 0;
+        ++spadlen;
+    }
+    return 1;
+}
+
+static LDOUBLE abs_val(LDOUBLE value)
+{
+    LDOUBLE result = value;
+    if (value < 0)
+        result = -value;
+    return result;
+}
+
+static LDOUBLE pow_10(int in_exp)
+{
+    LDOUBLE result = 1;
+    while (in_exp) {
+        result *= 10;
+        in_exp--;
+    }
+    return result;
+}
+
+static long roundv(LDOUBLE value)
+{
+    long intpart;
+    intpart = (long)value;
+    value = value - intpart;
+    if (value >= 0.5)
+        intpart++;
+    return intpart;
+}
+
+static int
+fmtfp(char **sbuffer,
+      char **buffer,
+      size_t *currlen,
+      size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags)
+{
+    int signvalue = 0;
+    LDOUBLE ufvalue;
+    char iconvert[20];
+    char fconvert[20];
+    int iplace = 0;
+    int fplace = 0;
+    int padlen = 0;
+    int zpadlen = 0;
+    long intpart;
+    long fracpart;
+    long max10;
+
+    if (max < 0)
+        max = 6;
+    ufvalue = abs_val(fvalue);
+    if (fvalue < 0)
+        signvalue = '-';
+    else if (flags & DP_F_PLUS)
+        signvalue = '+';
+    else if (flags & DP_F_SPACE)
+        signvalue = ' ';
+
+    intpart = (long)ufvalue;
+
+    /*
+     * sorry, we only support 9 digits past the decimal because of our
+     * conversion method
+     */
+    if (max > 9)
+        max = 9;
+
+    /*
+     * we "cheat" by converting the fractional part to integer by multiplying
+     * by a factor of 10
+     */
+    max10 = roundv(pow_10(max));
+    fracpart = roundv(pow_10(max) * (ufvalue - intpart));
+
+    if (fracpart >= max10) {
+        intpart++;
+        fracpart -= max10;
+    }
+
+    /* convert integer part */
+    do {
+        iconvert[iplace++] = "0123456789"[intpart % 10];
+        intpart = (intpart / 10);
+    } while (intpart && (iplace < (int)sizeof(iconvert)));
+    if (iplace == sizeof iconvert)
+        iplace--;
+    iconvert[iplace] = 0;
+
+    /* convert fractional part */
+    do {
+        fconvert[fplace++] = "0123456789"[fracpart % 10];
+        fracpart = (fracpart / 10);
+    } while (fplace < max);
+    if (fplace == sizeof fconvert)
+        fplace--;
+    fconvert[fplace] = 0;
+
+    /* -1 for decimal point, another -1 if we are printing a sign */
+    padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
+    zpadlen = max - fplace;
+    if (zpadlen < 0)
+        zpadlen = 0;
+    if (padlen < 0)
+        padlen = 0;
+    if (flags & DP_F_MINUS)
+        padlen = -padlen;
+
+    if ((flags & DP_F_ZERO) && (padlen > 0)) {
+        if (signvalue) {
+            if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+                return 0;
+            --padlen;
+            signvalue = 0;
+        }
+        while (padlen > 0) {
+            if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+                return 0;
+            --padlen;
+        }
+    }
+    while (padlen > 0) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+            return 0;
+        --padlen;
+    }
+    if (signvalue && !doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
+        return 0;
+
+    while (iplace > 0) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]))
+            return 0;
+    }
+
+    /*
+     * Decimal point. This should probably use locale to find the correct
+     * char to print out.
+     */
+    if (max > 0 || (flags & DP_F_NUM)) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '.'))
+            return 0;
+
+        while (fplace > 0) {
+            if(!doapr_outch(sbuffer, buffer, currlen, maxlen,
+                            fconvert[--fplace]))
+                return 0;
+        }
+    }
+    while (zpadlen > 0) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
+            return 0;
+        --zpadlen;
+    }
+
+    while (padlen < 0) {
+        if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
+            return 0;
+        ++padlen;
+    }
+    return 1;
+}
+
+#define BUFFER_INC  1024
+
+static int
+doapr_outch(char **sbuffer,
+            char **buffer, size_t *currlen, size_t *maxlen, int c)
+{
+    /* If we haven't at least one buffer, someone has doe a big booboo */
+    assert(*sbuffer != NULL || buffer != NULL);
+
+    /* |currlen| must always be <= |*maxlen| */
+    assert(*currlen <= *maxlen);
+
+    if (buffer && *currlen == *maxlen) {
+        if (*maxlen > INT_MAX - BUFFER_INC)
+            return 0;
+
+        *maxlen += BUFFER_INC;
+        if (*buffer == NULL) {
+            *buffer = OPENSSL_malloc(*maxlen);
+            if (*buffer == NULL)
+                return 0;
+            if (*currlen > 0) {
+                assert(*sbuffer != NULL);
+                memcpy(*buffer, *sbuffer, *currlen);
+            }
+            *sbuffer = NULL;
+        } else {
+            char *tmpbuf;
+            tmpbuf = OPENSSL_realloc(*buffer, *maxlen);
+            if (tmpbuf == NULL)
+                return 0;
+            *buffer = tmpbuf;
+        }
+    }
+
+    if (*currlen < *maxlen) {
+        if (*sbuffer)
+            (*sbuffer)[(*currlen)++] = (char)c;
+        else
+            (*buffer)[(*currlen)++] = (char)c;
+    }
+
+    return 1;
+}
+
+/***************************************************************************/
+
+int BIO_printf(BIO *bio, const char *format, ...)
+{
+    va_list args;
+    int ret;
+
+    va_start(args, format);
+
+    ret = BIO_vprintf(bio, format, args);
+
+    va_end(args);
+    return (ret);
+}
+
+int BIO_vprintf(BIO *bio, const char *format, va_list args)
+{
+    int ret;
+    size_t retlen;
+    char hugebuf[1024 * 2];     /* Was previously 10k, which is unreasonable
+                                 * in small-stack environments, like threads
+                                 * or DOS programs. */
+    char *hugebufp = hugebuf;
+    size_t hugebufsize = sizeof(hugebuf);
+    char *dynbuf = NULL;
+    int ignored;
+
+    dynbuf = NULL;
+    CRYPTO_push_info("doapr()");
+    if (!_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format,
+                args)) {
+        OPENSSL_free(dynbuf);
+        return -1;
+    }
+    if (dynbuf) {
+        ret = BIO_write(bio, dynbuf, (int)retlen);
+        OPENSSL_free(dynbuf);
+    } else {
+        ret = BIO_write(bio, hugebuf, (int)retlen);
+    }
+    CRYPTO_pop_info();
+    return (ret);
+}
+
+/*
+ * As snprintf is not available everywhere, we provide our own
+ * implementation. This function has nothing to do with BIOs, but it's
+ * closely related to BIO_printf, and we need *some* name prefix ... (XXX the
+ * function should be renamed, but to what?)
+ */
+int BIO_snprintf(char *buf, size_t n, const char *format, ...)
+{
+    va_list args;
+    int ret;
+
+    va_start(args, format);
+
+    ret = BIO_vsnprintf(buf, n, format, args);
+
+    va_end(args);
+    return (ret);
+}
+
+int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
+{
+    size_t retlen;
+    int truncated;
+
+    if(!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))
+        return -1;
+
+    if (truncated)
+        /*
+         * In case of truncation, return -1 like traditional snprintf.
+         * (Current drafts for ISO/IEC 9899 say snprintf should return the
+         * number of characters that would have been written, had the buffer
+         * been large enough.)
+         */
+        return -1;
+    else
+        return (retlen <= INT_MAX) ? (int)retlen : -1;
+}
diff --git a/thirdparty/openssl/crypto/bio/b_sock.c b/thirdparty/openssl/crypto/bio/b_sock.c
new file mode 100644
index 0000000000..5bad0a2bad
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/b_sock.c
@@ -0,0 +1,962 @@
+/* crypto/bio/b_sock.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include <openssl/bio.h>
+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
+# include <netdb.h>
+# if defined(NETWARE_CLIB)
+#  include <sys/ioctl.h>
+NETDB_DEFINE_CONTEXT
+# endif
+#endif
+#ifndef OPENSSL_NO_SOCK
+# include <openssl/dso.h>
+# define SOCKET_PROTOCOL IPPROTO_TCP
+# ifdef SO_MAXCONN
+#  define MAX_LISTEN  SO_MAXCONN
+# elif defined(SOMAXCONN)
+#  define MAX_LISTEN  SOMAXCONN
+# else
+#  define MAX_LISTEN  32
+# endif
+# if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
+static int wsa_init_done = 0;
+# endif
+
+/*
+ * WSAAPI specifier is required to make indirect calls to run-time
+ * linked WinSock 2 functions used in this module, to be specific
+ * [get|free]addrinfo and getnameinfo. This is because WinSock uses
+ * uses non-C calling convention, __stdcall vs. __cdecl, on x86
+ * Windows. On non-WinSock platforms WSAAPI needs to be void.
+ */
+# ifndef WSAAPI
+#  define WSAAPI
+# endif
+
+# if 0
+static unsigned long BIO_ghbn_hits = 0L;
+static unsigned long BIO_ghbn_miss = 0L;
+
+#  define GHBN_NUM        4
+static struct ghbn_cache_st {
+    char name[129];
+    struct hostent *ent;
+    unsigned long order;
+} ghbn_cache[GHBN_NUM];
+# endif
+
+static int get_ip(const char *str, unsigned char *ip);
+# if 0
+static void ghbn_free(struct hostent *a);
+static struct hostent *ghbn_dup(struct hostent *a);
+# endif
+int BIO_get_host_ip(const char *str, unsigned char *ip)
+{
+    int i;
+    int err = 1;
+    int locked = 0;
+    struct hostent *he;
+
+    i = get_ip(str, ip);
+    if (i < 0) {
+        BIOerr(BIO_F_BIO_GET_HOST_IP, BIO_R_INVALID_IP_ADDRESS);
+        goto err;
+    }
+
+    /*
+     * At this point, we have something that is most probably correct in some
+     * way, so let's init the socket.
+     */
+    if (BIO_sock_init() != 1)
+        return 0;               /* don't generate another error code here */
+
+    /*
+     * If the string actually contained an IP address, we need not do
+     * anything more
+     */
+    if (i > 0)
+        return (1);
+
+    /* do a gethostbyname */
+    CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
+    locked = 1;
+    he = BIO_gethostbyname(str);
+    if (he == NULL) {
+        BIOerr(BIO_F_BIO_GET_HOST_IP, BIO_R_BAD_HOSTNAME_LOOKUP);
+        goto err;
+    }
+
+    /* cast to short because of win16 winsock definition */
+    if ((short)he->h_addrtype != AF_INET) {
+        BIOerr(BIO_F_BIO_GET_HOST_IP,
+               BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
+        goto err;
+    }
+    for (i = 0; i < 4; i++)
+        ip[i] = he->h_addr_list[0][i];
+    err = 0;
+
+ err:
+    if (locked)
+        CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
+    if (err) {
+        ERR_add_error_data(2, "host=", str);
+        return 0;
+    } else
+        return 1;
+}
+
+int BIO_get_port(const char *str, unsigned short *port_ptr)
+{
+    int i;
+    struct servent *s;
+
+    if (str == NULL) {
+        BIOerr(BIO_F_BIO_GET_PORT, BIO_R_NO_PORT_DEFINED);
+        return (0);
+    }
+    i = atoi(str);
+    if (i != 0)
+        *port_ptr = (unsigned short)i;
+    else {
+        CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME);
+        /*
+         * Note: under VMS with SOCKETSHR, it seems like the first parameter
+         * is 'char *', instead of 'const char *'
+         */
+# ifndef CONST_STRICT
+        s = getservbyname((char *)str, "tcp");
+# else
+        s = getservbyname(str, "tcp");
+# endif
+        if (s != NULL)
+            *port_ptr = ntohs((unsigned short)s->s_port);
+        CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME);
+        if (s == NULL) {
+            if (strcmp(str, "http") == 0)
+                *port_ptr = 80;
+            else if (strcmp(str, "telnet") == 0)
+                *port_ptr = 23;
+            else if (strcmp(str, "socks") == 0)
+                *port_ptr = 1080;
+            else if (strcmp(str, "https") == 0)
+                *port_ptr = 443;
+            else if (strcmp(str, "ssl") == 0)
+                *port_ptr = 443;
+            else if (strcmp(str, "ftp") == 0)
+                *port_ptr = 21;
+            else if (strcmp(str, "gopher") == 0)
+                *port_ptr = 70;
+# if 0
+            else if (strcmp(str, "wais") == 0)
+                *port_ptr = 21;
+# endif
+            else {
+                SYSerr(SYS_F_GETSERVBYNAME, get_last_socket_error());
+                ERR_add_error_data(3, "service='", str, "'");
+                return (0);
+            }
+        }
+    }
+    return (1);
+}
+
+int BIO_sock_error(int sock)
+{
+    int j, i;
+    union {
+        size_t s;
+        int i;
+    } size;
+
+# if defined(OPENSSL_SYS_BEOS_R5)
+    return 0;
+# endif
+
+    /* heuristic way to adapt for platforms that expect 64-bit optlen */
+    size.s = 0, size.i = sizeof(j);
+    /*
+     * Note: under Windows the third parameter is of type (char *) whereas
+     * under other systems it is (void *) if you don't have a cast it will
+     * choke the compiler: if you do have a cast then you can either go for
+     * (char *) or (void *).
+     */
+    i = getsockopt(sock, SOL_SOCKET, SO_ERROR, (void *)&j, (void *)&size);
+    if (i < 0)
+        return (1);
+    else
+        return (j);
+}
+
+# if 0
+long BIO_ghbn_ctrl(int cmd, int iarg, char *parg)
+{
+    int i;
+    char **p;
+
+    switch (cmd) {
+    case BIO_GHBN_CTRL_HITS:
+        return (BIO_ghbn_hits);
+        /* break; */
+    case BIO_GHBN_CTRL_MISSES:
+        return (BIO_ghbn_miss);
+        /* break; */
+    case BIO_GHBN_CTRL_CACHE_SIZE:
+        return (GHBN_NUM);
+        /* break; */
+    case BIO_GHBN_CTRL_GET_ENTRY:
+        if ((iarg >= 0) && (iarg < GHBN_NUM) && (ghbn_cache[iarg].order > 0)) {
+            p = (char **)parg;
+            if (p == NULL)
+                return (0);
+            *p = ghbn_cache[iarg].name;
+            ghbn_cache[iarg].name[128] = '\0';
+            return (1);
+        }
+        return (0);
+        /* break; */
+    case BIO_GHBN_CTRL_FLUSH:
+        for (i = 0; i < GHBN_NUM; i++)
+            ghbn_cache[i].order = 0;
+        break;
+    default:
+        return (0);
+    }
+    return (1);
+}
+# endif
+
+# if 0
+static struct hostent *ghbn_dup(struct hostent *a)
+{
+    struct hostent *ret;
+    int i, j;
+
+    MemCheck_off();
+    ret = (struct hostent *)OPENSSL_malloc(sizeof(struct hostent));
+    if (ret == NULL)
+        return (NULL);
+    memset(ret, 0, sizeof(struct hostent));
+
+    for (i = 0; a->h_aliases[i] != NULL; i++) ;
+    i++;
+    ret->h_aliases = (char **)OPENSSL_malloc(i * sizeof(char *));
+    if (ret->h_aliases == NULL)
+        goto err;
+    memset(ret->h_aliases, 0, i * sizeof(char *));
+
+    for (i = 0; a->h_addr_list[i] != NULL; i++) ;
+    i++;
+    ret->h_addr_list = (char **)OPENSSL_malloc(i * sizeof(char *));
+    if (ret->h_addr_list == NULL)
+        goto err;
+    memset(ret->h_addr_list, 0, i * sizeof(char *));
+
+    j = strlen(a->h_name) + 1;
+    if ((ret->h_name = OPENSSL_malloc(j)) == NULL)
+        goto err;
+    memcpy((char *)ret->h_name, a->h_name, j);
+    for (i = 0; a->h_aliases[i] != NULL; i++) {
+        j = strlen(a->h_aliases[i]) + 1;
+        if ((ret->h_aliases[i] = OPENSSL_malloc(j)) == NULL)
+            goto err;
+        memcpy(ret->h_aliases[i], a->h_aliases[i], j);
+    }
+    ret->h_length = a->h_length;
+    ret->h_addrtype = a->h_addrtype;
+    for (i = 0; a->h_addr_list[i] != NULL; i++) {
+        if ((ret->h_addr_list[i] = OPENSSL_malloc(a->h_length)) == NULL)
+            goto err;
+        memcpy(ret->h_addr_list[i], a->h_addr_list[i], a->h_length);
+    }
+    if (0) {
+ err:
+        if (ret != NULL)
+            ghbn_free(ret);
+        ret = NULL;
+    }
+    MemCheck_on();
+    return (ret);
+}
+
+static void ghbn_free(struct hostent *a)
+{
+    int i;
+
+    if (a == NULL)
+        return;
+
+    if (a->h_aliases != NULL) {
+        for (i = 0; a->h_aliases[i] != NULL; i++)
+            OPENSSL_free(a->h_aliases[i]);
+        OPENSSL_free(a->h_aliases);
+    }
+    if (a->h_addr_list != NULL) {
+        for (i = 0; a->h_addr_list[i] != NULL; i++)
+            OPENSSL_free(a->h_addr_list[i]);
+        OPENSSL_free(a->h_addr_list);
+    }
+    if (a->h_name != NULL)
+        OPENSSL_free(a->h_name);
+    OPENSSL_free(a);
+}
+
+# endif
+
+struct hostent *BIO_gethostbyname(const char *name)
+{
+# if 1
+    /*
+     * Caching gethostbyname() results forever is wrong, so we have to let
+     * the true gethostbyname() worry about this
+     */
+#  if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__))
+    return gethostbyname((char *)name);
+#  else
+    return gethostbyname(name);
+#  endif
+# else
+    struct hostent *ret;
+    int i, lowi = 0, j;
+    unsigned long low = (unsigned long)-1;
+
+#  if 0
+    /*
+     * It doesn't make sense to use locking here: The function interface is
+     * not thread-safe, because threads can never be sure when some other
+     * thread destroys the data they were given a pointer to.
+     */
+    CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
+#  endif
+    j = strlen(name);
+    if (j < 128) {
+        for (i = 0; i < GHBN_NUM; i++) {
+            if (low > ghbn_cache[i].order) {
+                low = ghbn_cache[i].order;
+                lowi = i;
+            }
+            if (ghbn_cache[i].order > 0) {
+                if (strncmp(name, ghbn_cache[i].name, 128) == 0)
+                    break;
+            }
+        }
+    } else
+        i = GHBN_NUM;
+
+    if (i == GHBN_NUM) {        /* no hit */
+        BIO_ghbn_miss++;
+        /*
+         * Note: under VMS with SOCKETSHR, it seems like the first parameter
+         * is 'char *', instead of 'const char *'
+         */
+#  ifndef CONST_STRICT
+        ret = gethostbyname((char *)name);
+#  else
+        ret = gethostbyname(name);
+#  endif
+
+        if (ret == NULL)
+            goto end;
+        if (j > 128) {          /* too big to cache */
+#  if 0
+            /*
+             * If we were trying to make this function thread-safe (which is
+             * bound to fail), we'd have to give up in this case (or allocate
+             * more memory).
+             */
+            ret = NULL;
+#  endif
+            goto end;
+        }
+
+        /* else add to cache */
+        if (ghbn_cache[lowi].ent != NULL)
+            ghbn_free(ghbn_cache[lowi].ent); /* XXX not thread-safe */
+        ghbn_cache[lowi].name[0] = '\0';
+
+        if ((ret = ghbn_cache[lowi].ent = ghbn_dup(ret)) == NULL) {
+            BIOerr(BIO_F_BIO_GETHOSTBYNAME, ERR_R_MALLOC_FAILURE);
+            goto end;
+        }
+        strncpy(ghbn_cache[lowi].name, name, 128);
+        ghbn_cache[lowi].order = BIO_ghbn_miss + BIO_ghbn_hits;
+    } else {
+        BIO_ghbn_hits++;
+        ret = ghbn_cache[i].ent;
+        ghbn_cache[i].order = BIO_ghbn_miss + BIO_ghbn_hits;
+    }
+ end:
+#  if 0
+    CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
+#  endif
+    return (ret);
+# endif
+}
+
+int BIO_sock_init(void)
+{
+# ifdef OPENSSL_SYS_WINDOWS
+    static struct WSAData wsa_state;
+
+    if (!wsa_init_done) {
+        int err;
+
+        wsa_init_done = 1;
+        memset(&wsa_state, 0, sizeof(wsa_state));
+        /*
+         * Not making wsa_state available to the rest of the code is formally
+         * wrong. But the structures we use are [beleived to be] invariable
+         * among Winsock DLLs, while API availability is [expected to be]
+         * probed at run-time with DSO_global_lookup.
+         */
+        if (WSAStartup(0x0202, &wsa_state) != 0) {
+            err = WSAGetLastError();
+            SYSerr(SYS_F_WSASTARTUP, err);
+            BIOerr(BIO_F_BIO_SOCK_INIT, BIO_R_WSASTARTUP);
+            return (-1);
+        }
+    }
+# endif                         /* OPENSSL_SYS_WINDOWS */
+# ifdef WATT32
+    extern int _watt_do_exit;
+    _watt_do_exit = 0;          /* don't make sock_init() call exit() */
+    if (sock_init())
+        return (-1);
+# endif
+
+# if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+    WORD wVerReq;
+    WSADATA wsaData;
+    int err;
+
+    if (!wsa_init_done) {
+        wsa_init_done = 1;
+        wVerReq = MAKEWORD(2, 0);
+        err = WSAStartup(wVerReq, &wsaData);
+        if (err != 0) {
+            SYSerr(SYS_F_WSASTARTUP, err);
+            BIOerr(BIO_F_BIO_SOCK_INIT, BIO_R_WSASTARTUP);
+            return (-1);
+        }
+    }
+# endif
+
+    return (1);
+}
+
+void BIO_sock_cleanup(void)
+{
+# ifdef OPENSSL_SYS_WINDOWS
+    if (wsa_init_done) {
+        wsa_init_done = 0;
+#  if 0                         /* this call is claimed to be non-present in
+                                 * Winsock2 */
+        WSACancelBlockingCall();
+#  endif
+        WSACleanup();
+    }
+# elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+    if (wsa_init_done) {
+        wsa_init_done = 0;
+        WSACleanup();
+    }
+# endif
+}
+
+# if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000
+
+int BIO_socket_ioctl(int fd, long type, void *arg)
+{
+    int i;
+
+#  ifdef __DJGPP__
+    i = ioctlsocket(fd, type, (char *)arg);
+#  else
+#   if defined(OPENSSL_SYS_VMS)
+    /*-
+     * 2011-02-18 SMS.
+     * VMS ioctl() can't tolerate a 64-bit "void *arg", but we
+     * observe that all the consumers pass in an "unsigned long *",
+     * so we arrange a local copy with a short pointer, and use
+     * that, instead.
+     */
+#    if __INITIAL_POINTER_SIZE == 64
+#     define ARG arg_32p
+#     pragma pointer_size save
+#     pragma pointer_size 32
+    unsigned long arg_32;
+    unsigned long *arg_32p;
+#     pragma pointer_size restore
+    arg_32p = &arg_32;
+    arg_32 = *((unsigned long *)arg);
+#    else                       /* __INITIAL_POINTER_SIZE == 64 */
+#     define ARG arg
+#    endif                      /* __INITIAL_POINTER_SIZE == 64 [else] */
+#   else                        /* defined(OPENSSL_SYS_VMS) */
+#    define ARG arg
+#   endif                       /* defined(OPENSSL_SYS_VMS) [else] */
+
+    i = ioctlsocket(fd, type, ARG);
+#  endif                        /* __DJGPP__ */
+    if (i < 0)
+        SYSerr(SYS_F_IOCTLSOCKET, get_last_socket_error());
+    return (i);
+}
+# endif                         /* __VMS_VER */
+
+/*
+ * The reason I have implemented this instead of using sscanf is because
+ * Visual C 1.52c gives an unresolved external when linking a DLL :-(
+ */
+static int get_ip(const char *str, unsigned char ip[4])
+{
+    unsigned int tmp[4];
+    int num = 0, c, ok = 0;
+
+    tmp[0] = tmp[1] = tmp[2] = tmp[3] = 0;
+
+    for (;;) {
+        c = *(str++);
+        if ((c >= '0') && (c <= '9')) {
+            ok = 1;
+            tmp[num] = tmp[num] * 10 + c - '0';
+            if (tmp[num] > 255)
+                return (0);
+        } else if (c == '.') {
+            if (!ok)
+                return (-1);
+            if (num == 3)
+                return (0);
+            num++;
+            ok = 0;
+        } else if (c == '\0' && (num == 3) && ok)
+            break;
+        else
+            return (0);
+    }
+    ip[0] = tmp[0];
+    ip[1] = tmp[1];
+    ip[2] = tmp[2];
+    ip[3] = tmp[3];
+    return (1);
+}
+
+int BIO_get_accept_socket(char *host, int bind_mode)
+{
+    int ret = 0;
+    union {
+        struct sockaddr sa;
+        struct sockaddr_in sa_in;
+# if OPENSSL_USE_IPV6
+        struct sockaddr_in6 sa_in6;
+# endif
+    } server, client;
+    int s = INVALID_SOCKET, cs, addrlen;
+    unsigned char ip[4];
+    unsigned short port;
+    char *str = NULL, *e;
+    char *h, *p;
+    unsigned long l;
+    int err_num;
+
+    if (BIO_sock_init() != 1)
+        return (INVALID_SOCKET);
+
+    if ((str = BUF_strdup(host)) == NULL)
+        return (INVALID_SOCKET);
+
+    h = p = NULL;
+    h = str;
+    for (e = str; *e; e++) {
+        if (*e == ':') {
+            p = e;
+        } else if (*e == '/') {
+            *e = '\0';
+            break;
+        }
+    }
+    if (p)
+        *p++ = '\0';            /* points at last ':', '::port' is special
+                                 * [see below] */
+    else
+        p = h, h = NULL;
+
+# ifdef EAI_FAMILY
+    do {
+        static union {
+            void *p;
+            int (WSAAPI *f) (const char *, const char *,
+                             const struct addrinfo *, struct addrinfo **);
+        } p_getaddrinfo = {
+            NULL
+        };
+        static union {
+            void *p;
+            void (WSAAPI *f) (struct addrinfo *);
+        } p_freeaddrinfo = {
+            NULL
+        };
+        struct addrinfo *res, hint;
+
+        if (p_getaddrinfo.p == NULL) {
+            if ((p_getaddrinfo.p = DSO_global_lookup("getaddrinfo")) == NULL
+                || (p_freeaddrinfo.p =
+                    DSO_global_lookup("freeaddrinfo")) == NULL)
+                p_getaddrinfo.p = (void *)-1;
+        }
+        if (p_getaddrinfo.p == (void *)-1)
+            break;
+
+        /*
+         * '::port' enforces IPv6 wildcard listener. Some OSes, e.g. Solaris,
+         * default to IPv6 without any hint. Also note that commonly IPv6
+         * wildchard socket can service IPv4 connections just as well...
+         */
+        memset(&hint, 0, sizeof(hint));
+        hint.ai_flags = AI_PASSIVE;
+        if (h) {
+            if (strchr(h, ':')) {
+                if (h[1] == '\0')
+                    h = NULL;
+#  if OPENSSL_USE_IPV6
+                hint.ai_family = AF_INET6;
+#  else
+                h = NULL;
+#  endif
+            } else if (h[0] == '*' && h[1] == '\0') {
+                hint.ai_family = AF_INET;
+                h = NULL;
+            }
+        }
+
+        if ((*p_getaddrinfo.f) (h, p, &hint, &res))
+            break;
+
+        addrlen = res->ai_addrlen <= sizeof(server) ?
+            res->ai_addrlen : sizeof(server);
+        memcpy(&server, res->ai_addr, addrlen);
+
+        (*p_freeaddrinfo.f) (res);
+        goto again;
+    } while (0);
+# endif
+
+    if (!BIO_get_port(p, &port))
+        goto err;
+
+    memset((char *)&server, 0, sizeof(server));
+    server.sa_in.sin_family = AF_INET;
+    server.sa_in.sin_port = htons(port);
+    addrlen = sizeof(server.sa_in);
+
+    if (h == NULL || strcmp(h, "*") == 0)
+        server.sa_in.sin_addr.s_addr = INADDR_ANY;
+    else {
+        if (!BIO_get_host_ip(h, &(ip[0])))
+            goto err;
+        l = (unsigned long)
+            ((unsigned long)ip[0] << 24L) |
+            ((unsigned long)ip[1] << 16L) |
+            ((unsigned long)ip[2] << 8L) | ((unsigned long)ip[3]);
+        server.sa_in.sin_addr.s_addr = htonl(l);
+    }
+
+ again:
+    s = socket(server.sa.sa_family, SOCK_STREAM, SOCKET_PROTOCOL);
+    if (s == INVALID_SOCKET) {
+        SYSerr(SYS_F_SOCKET, get_last_socket_error());
+        ERR_add_error_data(3, "port='", host, "'");
+        BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET, BIO_R_UNABLE_TO_CREATE_SOCKET);
+        goto err;
+    }
+# ifdef SO_REUSEADDR
+    if (bind_mode == BIO_BIND_REUSEADDR) {
+        int i = 1;
+
+        ret = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&i, sizeof(i));
+        bind_mode = BIO_BIND_NORMAL;
+    }
+# endif
+    if (bind(s, &server.sa, addrlen) == -1) {
+# ifdef SO_REUSEADDR
+        err_num = get_last_socket_error();
+        if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) &&
+#  ifdef OPENSSL_SYS_WINDOWS
+            /*
+             * Some versions of Windows define EADDRINUSE to a dummy value.
+             */
+            (err_num == WSAEADDRINUSE))
+#  else
+            (err_num == EADDRINUSE))
+#  endif
+        {
+            client = server;
+            if (h == NULL || strcmp(h, "*") == 0) {
+#  if OPENSSL_USE_IPV6
+                if (client.sa.sa_family == AF_INET6) {
+                    memset(&client.sa_in6.sin6_addr, 0,
+                           sizeof(client.sa_in6.sin6_addr));
+                    client.sa_in6.sin6_addr.s6_addr[15] = 1;
+                } else
+#  endif
+                if (client.sa.sa_family == AF_INET) {
+                    client.sa_in.sin_addr.s_addr = htonl(0x7F000001);
+                } else
+                    goto err;
+            }
+            cs = socket(client.sa.sa_family, SOCK_STREAM, SOCKET_PROTOCOL);
+            if (cs != INVALID_SOCKET) {
+                int ii;
+                ii = connect(cs, &client.sa, addrlen);
+                closesocket(cs);
+                if (ii == INVALID_SOCKET) {
+                    bind_mode = BIO_BIND_REUSEADDR;
+                    closesocket(s);
+                    goto again;
+                }
+                /* else error */
+            }
+            /* else error */
+        }
+# endif
+        SYSerr(SYS_F_BIND, err_num);
+        ERR_add_error_data(3, "port='", host, "'");
+        BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET, BIO_R_UNABLE_TO_BIND_SOCKET);
+        goto err;
+    }
+    if (listen(s, MAX_LISTEN) == -1) {
+        SYSerr(SYS_F_BIND, get_last_socket_error());
+        ERR_add_error_data(3, "port='", host, "'");
+        BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET, BIO_R_UNABLE_TO_LISTEN_SOCKET);
+        goto err;
+    }
+    ret = 1;
+ err:
+    if (str != NULL)
+        OPENSSL_free(str);
+    if ((ret == 0) && (s != INVALID_SOCKET)) {
+        closesocket(s);
+        s = INVALID_SOCKET;
+    }
+    return (s);
+}
+
+int BIO_accept(int sock, char **addr)
+{
+    int ret = INVALID_SOCKET;
+    unsigned long l;
+    unsigned short port;
+    char *p;
+
+    struct {
+        /*
+         * As for following union. Trouble is that there are platforms
+         * that have socklen_t and there are platforms that don't, on
+         * some platforms socklen_t is int and on some size_t. So what
+         * one can do? One can cook #ifdef spaghetti, which is nothing
+         * but masochistic. Or one can do union between int and size_t.
+         * One naturally does it primarily for 64-bit platforms where
+         * sizeof(int) != sizeof(size_t). But would it work? Note that
+         * if size_t member is initialized to 0, then later int member
+         * assignment naturally does the job on little-endian platforms
+         * regardless accept's expectations! What about big-endians?
+         * If accept expects int*, then it works, and if size_t*, then
+         * length value would appear as unreasonably large. But this
+         * won't prevent it from filling in the address structure. The
+         * trouble of course would be if accept returns more data than
+         * actual buffer can accomodate and overwrite stack... That's
+         * where early OPENSSL_assert comes into picture. Besides, the
+         * only 64-bit big-endian platform found so far that expects
+         * size_t* is HP-UX, where stack grows towards higher address.
+         * <appro>
+         */
+        union {
+            size_t s;
+            int i;
+        } len;
+        union {
+            struct sockaddr sa;
+            struct sockaddr_in sa_in;
+# if OPENSSL_USE_IPV6
+            struct sockaddr_in6 sa_in6;
+# endif
+        } from;
+    } sa;
+
+    sa.len.s = 0;
+    sa.len.i = sizeof(sa.from);
+    memset(&sa.from, 0, sizeof(sa.from));
+    ret = accept(sock, &sa.from.sa, (void *)&sa.len);
+    if (sizeof(sa.len.i) != sizeof(sa.len.s) && sa.len.i == 0) {
+        OPENSSL_assert(sa.len.s <= sizeof(sa.from));
+        sa.len.i = (int)sa.len.s;
+        /* use sa.len.i from this point */
+    }
+    if (ret == INVALID_SOCKET) {
+        if (BIO_sock_should_retry(ret))
+            return -2;
+        SYSerr(SYS_F_ACCEPT, get_last_socket_error());
+        BIOerr(BIO_F_BIO_ACCEPT, BIO_R_ACCEPT_ERROR);
+        goto end;
+    }
+
+    if (addr == NULL)
+        goto end;
+
+# ifdef EAI_FAMILY
+    do {
+        char h[NI_MAXHOST], s[NI_MAXSERV];
+        size_t nl;
+        static union {
+            void *p;
+            int (WSAAPI *f) (const struct sockaddr *, size_t /* socklen_t */ ,
+                             char *, size_t, char *, size_t, int);
+        } p_getnameinfo = {
+            NULL
+        };
+        /*
+         * 2nd argument to getnameinfo is specified to be socklen_t.
+         * Unfortunately there is a number of environments where socklen_t is
+         * not defined. As it's passed by value, it's safe to pass it as
+         * size_t... <appro>
+         */
+
+        if (p_getnameinfo.p == NULL) {
+            if ((p_getnameinfo.p = DSO_global_lookup("getnameinfo")) == NULL)
+                p_getnameinfo.p = (void *)-1;
+        }
+        if (p_getnameinfo.p == (void *)-1)
+            break;
+
+        if ((*p_getnameinfo.f) (&sa.from.sa, sa.len.i, h, sizeof(h), s,
+                                sizeof(s), NI_NUMERICHOST | NI_NUMERICSERV))
+            break;
+        nl = strlen(h) + strlen(s) + 2;
+        p = *addr;
+        if (p) {
+            *p = '\0';
+            p = OPENSSL_realloc(p, nl);
+        } else {
+            p = OPENSSL_malloc(nl);
+        }
+        if (p == NULL) {
+            BIOerr(BIO_F_BIO_ACCEPT, ERR_R_MALLOC_FAILURE);
+            goto end;
+        }
+        *addr = p;
+        BIO_snprintf(*addr, nl, "%s:%s", h, s);
+        goto end;
+    } while (0);
+# endif
+    if (sa.from.sa.sa_family != AF_INET)
+        goto end;
+    l = ntohl(sa.from.sa_in.sin_addr.s_addr);
+    port = ntohs(sa.from.sa_in.sin_port);
+    if (*addr == NULL) {
+        if ((p = OPENSSL_malloc(24)) == NULL) {
+            BIOerr(BIO_F_BIO_ACCEPT, ERR_R_MALLOC_FAILURE);
+            goto end;
+        }
+        *addr = p;
+    }
+    BIO_snprintf(*addr, 24, "%d.%d.%d.%d:%d",
+                 (unsigned char)(l >> 24L) & 0xff,
+                 (unsigned char)(l >> 16L) & 0xff,
+                 (unsigned char)(l >> 8L) & 0xff,
+                 (unsigned char)(l) & 0xff, port);
+ end:
+    return (ret);
+}
+
+int BIO_set_tcp_ndelay(int s, int on)
+{
+    int ret = 0;
+# if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
+    int opt;
+
+#  ifdef SOL_TCP
+    opt = SOL_TCP;
+#  else
+#   ifdef IPPROTO_TCP
+    opt = IPPROTO_TCP;
+#   endif
+#  endif
+
+    ret = setsockopt(s, opt, TCP_NODELAY, (char *)&on, sizeof(on));
+# endif
+    return (ret == 0);
+}
+
+int BIO_socket_nbio(int s, int mode)
+{
+    int ret = -1;
+    int l;
+
+    l = mode;
+# ifdef FIONBIO
+    ret = BIO_socket_ioctl(s, FIONBIO, &l);
+# endif
+    return (ret == 0);
+}
+#endif
diff --git a/thirdparty/openssl/crypto/bio/bf_buff.c b/thirdparty/openssl/crypto/bio/bf_buff.c
new file mode 100644
index 0000000000..478fa16a07
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bf_buff.c
@@ -0,0 +1,517 @@
+/* crypto/bio/bf_buff.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+static int buffer_write(BIO *h, const char *buf, int num);
+static int buffer_read(BIO *h, char *buf, int size);
+static int buffer_puts(BIO *h, const char *str);
+static int buffer_gets(BIO *h, char *str, int size);
+static long buffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int buffer_new(BIO *h);
+static int buffer_free(BIO *data);
+static long buffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+#define DEFAULT_BUFFER_SIZE     4096
+
+static BIO_METHOD methods_buffer = {
+    BIO_TYPE_BUFFER,
+    "buffer",
+    buffer_write,
+    buffer_read,
+    buffer_puts,
+    buffer_gets,
+    buffer_ctrl,
+    buffer_new,
+    buffer_free,
+    buffer_callback_ctrl,
+};
+
+BIO_METHOD *BIO_f_buffer(void)
+{
+    return (&methods_buffer);
+}
+
+static int buffer_new(BIO *bi)
+{
+    BIO_F_BUFFER_CTX *ctx;
+
+    ctx = (BIO_F_BUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_F_BUFFER_CTX));
+    if (ctx == NULL)
+        return (0);
+    ctx->ibuf = (char *)OPENSSL_malloc(DEFAULT_BUFFER_SIZE);
+    if (ctx->ibuf == NULL) {
+        OPENSSL_free(ctx);
+        return (0);
+    }
+    ctx->obuf = (char *)OPENSSL_malloc(DEFAULT_BUFFER_SIZE);
+    if (ctx->obuf == NULL) {
+        OPENSSL_free(ctx->ibuf);
+        OPENSSL_free(ctx);
+        return (0);
+    }
+    ctx->ibuf_size = DEFAULT_BUFFER_SIZE;
+    ctx->obuf_size = DEFAULT_BUFFER_SIZE;
+    ctx->ibuf_len = 0;
+    ctx->ibuf_off = 0;
+    ctx->obuf_len = 0;
+    ctx->obuf_off = 0;
+
+    bi->init = 1;
+    bi->ptr = (char *)ctx;
+    bi->flags = 0;
+    return (1);
+}
+
+static int buffer_free(BIO *a)
+{
+    BIO_F_BUFFER_CTX *b;
+
+    if (a == NULL)
+        return (0);
+    b = (BIO_F_BUFFER_CTX *)a->ptr;
+    if (b->ibuf != NULL)
+        OPENSSL_free(b->ibuf);
+    if (b->obuf != NULL)
+        OPENSSL_free(b->obuf);
+    OPENSSL_free(a->ptr);
+    a->ptr = NULL;
+    a->init = 0;
+    a->flags = 0;
+    return (1);
+}
+
+static int buffer_read(BIO *b, char *out, int outl)
+{
+    int i, num = 0;
+    BIO_F_BUFFER_CTX *ctx;
+
+    if (out == NULL)
+        return (0);
+    ctx = (BIO_F_BUFFER_CTX *)b->ptr;
+
+    if ((ctx == NULL) || (b->next_bio == NULL))
+        return (0);
+    num = 0;
+    BIO_clear_retry_flags(b);
+
+ start:
+    i = ctx->ibuf_len;
+    /* If there is stuff left over, grab it */
+    if (i != 0) {
+        if (i > outl)
+            i = outl;
+        memcpy(out, &(ctx->ibuf[ctx->ibuf_off]), i);
+        ctx->ibuf_off += i;
+        ctx->ibuf_len -= i;
+        num += i;
+        if (outl == i)
+            return (num);
+        outl -= i;
+        out += i;
+    }
+
+    /*
+     * We may have done a partial read. try to do more. We have nothing in
+     * the buffer. If we get an error and have read some data, just return it
+     * and let them retry to get the error again. copy direct to parent
+     * address space
+     */
+    if (outl > ctx->ibuf_size) {
+        for (;;) {
+            i = BIO_read(b->next_bio, out, outl);
+            if (i <= 0) {
+                BIO_copy_next_retry(b);
+                if (i < 0)
+                    return ((num > 0) ? num : i);
+                if (i == 0)
+                    return (num);
+            }
+            num += i;
+            if (outl == i)
+                return (num);
+            out += i;
+            outl -= i;
+        }
+    }
+    /* else */
+
+    /* we are going to be doing some buffering */
+    i = BIO_read(b->next_bio, ctx->ibuf, ctx->ibuf_size);
+    if (i <= 0) {
+        BIO_copy_next_retry(b);
+        if (i < 0)
+            return ((num > 0) ? num : i);
+        if (i == 0)
+            return (num);
+    }
+    ctx->ibuf_off = 0;
+    ctx->ibuf_len = i;
+
+    /* Lets re-read using ourselves :-) */
+    goto start;
+}
+
+static int buffer_write(BIO *b, const char *in, int inl)
+{
+    int i, num = 0;
+    BIO_F_BUFFER_CTX *ctx;
+
+    if ((in == NULL) || (inl <= 0))
+        return (0);
+    ctx = (BIO_F_BUFFER_CTX *)b->ptr;
+    if ((ctx == NULL) || (b->next_bio == NULL))
+        return (0);
+
+    BIO_clear_retry_flags(b);
+ start:
+    i = ctx->obuf_size - (ctx->obuf_len + ctx->obuf_off);
+    /* add to buffer and return */
+    if (i >= inl) {
+        memcpy(&(ctx->obuf[ctx->obuf_off + ctx->obuf_len]), in, inl);
+        ctx->obuf_len += inl;
+        return (num + inl);
+    }
+    /* else */
+    /* stuff already in buffer, so add to it first, then flush */
+    if (ctx->obuf_len != 0) {
+        if (i > 0) {            /* lets fill it up if we can */
+            memcpy(&(ctx->obuf[ctx->obuf_off + ctx->obuf_len]), in, i);
+            in += i;
+            inl -= i;
+            num += i;
+            ctx->obuf_len += i;
+        }
+        /* we now have a full buffer needing flushing */
+        for (;;) {
+            i = BIO_write(b->next_bio, &(ctx->obuf[ctx->obuf_off]),
+                          ctx->obuf_len);
+            if (i <= 0) {
+                BIO_copy_next_retry(b);
+
+                if (i < 0)
+                    return ((num > 0) ? num : i);
+                if (i == 0)
+                    return (num);
+            }
+            ctx->obuf_off += i;
+            ctx->obuf_len -= i;
+            if (ctx->obuf_len == 0)
+                break;
+        }
+    }
+    /*
+     * we only get here if the buffer has been flushed and we still have
+     * stuff to write
+     */
+    ctx->obuf_off = 0;
+
+    /* we now have inl bytes to write */
+    while (inl >= ctx->obuf_size) {
+        i = BIO_write(b->next_bio, in, inl);
+        if (i <= 0) {
+            BIO_copy_next_retry(b);
+            if (i < 0)
+                return ((num > 0) ? num : i);
+            if (i == 0)
+                return (num);
+        }
+        num += i;
+        in += i;
+        inl -= i;
+        if (inl == 0)
+            return (num);
+    }
+
+    /*
+     * copy the rest into the buffer since we have only a small amount left
+     */
+    goto start;
+}
+
+static long buffer_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    BIO *dbio;
+    BIO_F_BUFFER_CTX *ctx;
+    long ret = 1;
+    char *p1, *p2;
+    int r, i, *ip;
+    int ibs, obs;
+
+    ctx = (BIO_F_BUFFER_CTX *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        ctx->ibuf_off = 0;
+        ctx->ibuf_len = 0;
+        ctx->obuf_off = 0;
+        ctx->obuf_len = 0;
+        if (b->next_bio == NULL)
+            return (0);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    case BIO_CTRL_INFO:
+        ret = (long)ctx->obuf_len;
+        break;
+    case BIO_C_GET_BUFF_NUM_LINES:
+        ret = 0;
+        p1 = ctx->ibuf;
+        for (i = 0; i < ctx->ibuf_len; i++) {
+            if (p1[ctx->ibuf_off + i] == '\n')
+                ret++;
+        }
+        break;
+    case BIO_CTRL_WPENDING:
+        ret = (long)ctx->obuf_len;
+        if (ret == 0) {
+            if (b->next_bio == NULL)
+                return (0);
+            ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        }
+        break;
+    case BIO_CTRL_PENDING:
+        ret = (long)ctx->ibuf_len;
+        if (ret == 0) {
+            if (b->next_bio == NULL)
+                return (0);
+            ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        }
+        break;
+    case BIO_C_SET_BUFF_READ_DATA:
+        if (num > ctx->ibuf_size) {
+            p1 = OPENSSL_malloc((int)num);
+            if (p1 == NULL)
+                goto malloc_error;
+            if (ctx->ibuf != NULL)
+                OPENSSL_free(ctx->ibuf);
+            ctx->ibuf = p1;
+        }
+        ctx->ibuf_off = 0;
+        ctx->ibuf_len = (int)num;
+        memcpy(ctx->ibuf, ptr, (int)num);
+        ret = 1;
+        break;
+    case BIO_C_SET_BUFF_SIZE:
+        if (ptr != NULL) {
+            ip = (int *)ptr;
+            if (*ip == 0) {
+                ibs = (int)num;
+                obs = ctx->obuf_size;
+            } else {            /* if (*ip == 1) */
+
+                ibs = ctx->ibuf_size;
+                obs = (int)num;
+            }
+        } else {
+            ibs = (int)num;
+            obs = (int)num;
+        }
+        p1 = ctx->ibuf;
+        p2 = ctx->obuf;
+        if ((ibs > DEFAULT_BUFFER_SIZE) && (ibs != ctx->ibuf_size)) {
+            p1 = (char *)OPENSSL_malloc((int)num);
+            if (p1 == NULL)
+                goto malloc_error;
+        }
+        if ((obs > DEFAULT_BUFFER_SIZE) && (obs != ctx->obuf_size)) {
+            p2 = (char *)OPENSSL_malloc((int)num);
+            if (p2 == NULL) {
+                if (p1 != ctx->ibuf)
+                    OPENSSL_free(p1);
+                goto malloc_error;
+            }
+        }
+        if (ctx->ibuf != p1) {
+            OPENSSL_free(ctx->ibuf);
+            ctx->ibuf = p1;
+            ctx->ibuf_off = 0;
+            ctx->ibuf_len = 0;
+            ctx->ibuf_size = ibs;
+        }
+        if (ctx->obuf != p2) {
+            OPENSSL_free(ctx->obuf);
+            ctx->obuf = p2;
+            ctx->obuf_off = 0;
+            ctx->obuf_len = 0;
+            ctx->obuf_size = obs;
+        }
+        break;
+    case BIO_C_DO_STATE_MACHINE:
+        if (b->next_bio == NULL)
+            return (0);
+        BIO_clear_retry_flags(b);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        BIO_copy_next_retry(b);
+        break;
+
+    case BIO_CTRL_FLUSH:
+        if (b->next_bio == NULL)
+            return (0);
+        if (ctx->obuf_len <= 0) {
+            ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+            break;
+        }
+
+        for (;;) {
+            BIO_clear_retry_flags(b);
+            if (ctx->obuf_len > 0) {
+                r = BIO_write(b->next_bio,
+                              &(ctx->obuf[ctx->obuf_off]), ctx->obuf_len);
+#if 0
+                fprintf(stderr, "FLUSH [%3d] %3d -> %3d\n", ctx->obuf_off,
+                        ctx->obuf_len, r);
+#endif
+                BIO_copy_next_retry(b);
+                if (r <= 0)
+                    return ((long)r);
+                ctx->obuf_off += r;
+                ctx->obuf_len -= r;
+            } else {
+                ctx->obuf_len = 0;
+                ctx->obuf_off = 0;
+                ret = 1;
+                break;
+            }
+        }
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    case BIO_CTRL_DUP:
+        dbio = (BIO *)ptr;
+        if (!BIO_set_read_buffer_size(dbio, ctx->ibuf_size) ||
+            !BIO_set_write_buffer_size(dbio, ctx->obuf_size))
+            ret = 0;
+        break;
+    default:
+        if (b->next_bio == NULL)
+            return (0);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    }
+    return (ret);
+ malloc_error:
+    BIOerr(BIO_F_BUFFER_CTRL, ERR_R_MALLOC_FAILURE);
+    return (0);
+}
+
+static long buffer_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+{
+    long ret = 1;
+
+    if (b->next_bio == NULL)
+        return (0);
+    switch (cmd) {
+    default:
+        ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+        break;
+    }
+    return (ret);
+}
+
+static int buffer_gets(BIO *b, char *buf, int size)
+{
+    BIO_F_BUFFER_CTX *ctx;
+    int num = 0, i, flag;
+    char *p;
+
+    ctx = (BIO_F_BUFFER_CTX *)b->ptr;
+    size--;                     /* reserve space for a '\0' */
+    BIO_clear_retry_flags(b);
+
+    for (;;) {
+        if (ctx->ibuf_len > 0) {
+            p = &(ctx->ibuf[ctx->ibuf_off]);
+            flag = 0;
+            for (i = 0; (i < ctx->ibuf_len) && (i < size); i++) {
+                *(buf++) = p[i];
+                if (p[i] == '\n') {
+                    flag = 1;
+                    i++;
+                    break;
+                }
+            }
+            num += i;
+            size -= i;
+            ctx->ibuf_len -= i;
+            ctx->ibuf_off += i;
+            if (flag || size == 0) {
+                *buf = '\0';
+                return (num);
+            }
+        } else {                /* read another chunk */
+
+            i = BIO_read(b->next_bio, ctx->ibuf, ctx->ibuf_size);
+            if (i <= 0) {
+                BIO_copy_next_retry(b);
+                *buf = '\0';
+                if (i < 0)
+                    return ((num > 0) ? num : i);
+                if (i == 0)
+                    return (num);
+            }
+            ctx->ibuf_len = i;
+            ctx->ibuf_off = 0;
+        }
+    }
+}
+
+static int buffer_puts(BIO *b, const char *str)
+{
+    return (buffer_write(b, str, strlen(str)));
+}
diff --git a/thirdparty/openssl/crypto/bio/bf_lbuf.c b/thirdparty/openssl/crypto/bio/bf_lbuf.c
new file mode 100644
index 0000000000..46d0d5a1e6
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bf_lbuf.c
@@ -0,0 +1,391 @@
+/* crypto/bio/bf_buff.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+
+static int linebuffer_write(BIO *h, const char *buf, int num);
+static int linebuffer_read(BIO *h, char *buf, int size);
+static int linebuffer_puts(BIO *h, const char *str);
+static int linebuffer_gets(BIO *h, char *str, int size);
+static long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int linebuffer_new(BIO *h);
+static int linebuffer_free(BIO *data);
+static long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+
+/* A 10k maximum should be enough for most purposes */
+#define DEFAULT_LINEBUFFER_SIZE 1024*10
+
+/* #define DEBUG */
+
+static BIO_METHOD methods_linebuffer = {
+    BIO_TYPE_LINEBUFFER,
+    "linebuffer",
+    linebuffer_write,
+    linebuffer_read,
+    linebuffer_puts,
+    linebuffer_gets,
+    linebuffer_ctrl,
+    linebuffer_new,
+    linebuffer_free,
+    linebuffer_callback_ctrl,
+};
+
+BIO_METHOD *BIO_f_linebuffer(void)
+{
+    return (&methods_linebuffer);
+}
+
+typedef struct bio_linebuffer_ctx_struct {
+    char *obuf;                 /* the output char array */
+    int obuf_size;              /* how big is the output buffer */
+    int obuf_len;               /* how many bytes are in it */
+} BIO_LINEBUFFER_CTX;
+
+static int linebuffer_new(BIO *bi)
+{
+    BIO_LINEBUFFER_CTX *ctx;
+
+    ctx = (BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX));
+    if (ctx == NULL)
+        return (0);
+    ctx->obuf = (char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
+    if (ctx->obuf == NULL) {
+        OPENSSL_free(ctx);
+        return (0);
+    }
+    ctx->obuf_size = DEFAULT_LINEBUFFER_SIZE;
+    ctx->obuf_len = 0;
+
+    bi->init = 1;
+    bi->ptr = (char *)ctx;
+    bi->flags = 0;
+    return (1);
+}
+
+static int linebuffer_free(BIO *a)
+{
+    BIO_LINEBUFFER_CTX *b;
+
+    if (a == NULL)
+        return (0);
+    b = (BIO_LINEBUFFER_CTX *)a->ptr;
+    if (b->obuf != NULL)
+        OPENSSL_free(b->obuf);
+    OPENSSL_free(a->ptr);
+    a->ptr = NULL;
+    a->init = 0;
+    a->flags = 0;
+    return (1);
+}
+
+static int linebuffer_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+
+    if (out == NULL)
+        return (0);
+    if (b->next_bio == NULL)
+        return (0);
+    ret = BIO_read(b->next_bio, out, outl);
+    BIO_clear_retry_flags(b);
+    BIO_copy_next_retry(b);
+    return (ret);
+}
+
+static int linebuffer_write(BIO *b, const char *in, int inl)
+{
+    int i, num = 0, foundnl;
+    BIO_LINEBUFFER_CTX *ctx;
+
+    if ((in == NULL) || (inl <= 0))
+        return (0);
+    ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
+    if ((ctx == NULL) || (b->next_bio == NULL))
+        return (0);
+
+    BIO_clear_retry_flags(b);
+
+    do {
+        const char *p;
+
+        for (p = in; p < in + inl && *p != '\n'; p++) ;
+        if (*p == '\n') {
+            p++;
+            foundnl = 1;
+        } else
+            foundnl = 0;
+
+        /*
+         * If a NL was found and we already have text in the save buffer,
+         * concatenate them and write
+         */
+        while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
+               && ctx->obuf_len > 0) {
+            int orig_olen = ctx->obuf_len;
+
+            i = ctx->obuf_size - ctx->obuf_len;
+            if (p - in > 0) {
+                if (i >= p - in) {
+                    memcpy(&(ctx->obuf[ctx->obuf_len]), in, p - in);
+                    ctx->obuf_len += p - in;
+                    inl -= p - in;
+                    num += p - in;
+                    in = p;
+                } else {
+                    memcpy(&(ctx->obuf[ctx->obuf_len]), in, i);
+                    ctx->obuf_len += i;
+                    inl -= i;
+                    in += i;
+                    num += i;
+                }
+            }
+#if 0
+            BIO_write(b->next_bio, "<*<", 3);
+#endif
+            i = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
+            if (i <= 0) {
+                ctx->obuf_len = orig_olen;
+                BIO_copy_next_retry(b);
+
+#if 0
+                BIO_write(b->next_bio, ">*>", 3);
+#endif
+                if (i < 0)
+                    return ((num > 0) ? num : i);
+                if (i == 0)
+                    return (num);
+            }
+#if 0
+            BIO_write(b->next_bio, ">*>", 3);
+#endif
+            if (i < ctx->obuf_len)
+                memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
+            ctx->obuf_len -= i;
+        }
+
+        /*
+         * Now that the save buffer is emptied, let's write the input buffer
+         * if a NL was found and there is anything to write.
+         */
+        if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) {
+#if 0
+            BIO_write(b->next_bio, "<*<", 3);
+#endif
+            i = BIO_write(b->next_bio, in, p - in);
+            if (i <= 0) {
+                BIO_copy_next_retry(b);
+#if 0
+                BIO_write(b->next_bio, ">*>", 3);
+#endif
+                if (i < 0)
+                    return ((num > 0) ? num : i);
+                if (i == 0)
+                    return (num);
+            }
+#if 0
+            BIO_write(b->next_bio, ">*>", 3);
+#endif
+            num += i;
+            in += i;
+            inl -= i;
+        }
+    }
+    while (foundnl && inl > 0);
+    /*
+     * We've written as much as we can.  The rest of the input buffer, if
+     * any, is text that doesn't and with a NL and therefore needs to be
+     * saved for the next trip.
+     */
+    if (inl > 0) {
+        memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
+        ctx->obuf_len += inl;
+        num += inl;
+    }
+    return num;
+}
+
+static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    BIO *dbio;
+    BIO_LINEBUFFER_CTX *ctx;
+    long ret = 1;
+    char *p;
+    int r;
+    int obs;
+
+    ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        ctx->obuf_len = 0;
+        if (b->next_bio == NULL)
+            return (0);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    case BIO_CTRL_INFO:
+        ret = (long)ctx->obuf_len;
+        break;
+    case BIO_CTRL_WPENDING:
+        ret = (long)ctx->obuf_len;
+        if (ret == 0) {
+            if (b->next_bio == NULL)
+                return (0);
+            ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        }
+        break;
+    case BIO_C_SET_BUFF_SIZE:
+        obs = (int)num;
+        p = ctx->obuf;
+        if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
+            p = (char *)OPENSSL_malloc((int)num);
+            if (p == NULL)
+                goto malloc_error;
+        }
+        if (ctx->obuf != p) {
+            if (ctx->obuf_len > obs) {
+                ctx->obuf_len = obs;
+            }
+            memcpy(p, ctx->obuf, ctx->obuf_len);
+            OPENSSL_free(ctx->obuf);
+            ctx->obuf = p;
+            ctx->obuf_size = obs;
+        }
+        break;
+    case BIO_C_DO_STATE_MACHINE:
+        if (b->next_bio == NULL)
+            return (0);
+        BIO_clear_retry_flags(b);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        BIO_copy_next_retry(b);
+        break;
+
+    case BIO_CTRL_FLUSH:
+        if (b->next_bio == NULL)
+            return (0);
+        if (ctx->obuf_len <= 0) {
+            ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+            break;
+        }
+
+        for (;;) {
+            BIO_clear_retry_flags(b);
+            if (ctx->obuf_len > 0) {
+                r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
+#if 0
+                fprintf(stderr, "FLUSH %3d -> %3d\n", ctx->obuf_len, r);
+#endif
+                BIO_copy_next_retry(b);
+                if (r <= 0)
+                    return ((long)r);
+                if (r < ctx->obuf_len)
+                    memmove(ctx->obuf, ctx->obuf + r, ctx->obuf_len - r);
+                ctx->obuf_len -= r;
+            } else {
+                ctx->obuf_len = 0;
+                ret = 1;
+                break;
+            }
+        }
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    case BIO_CTRL_DUP:
+        dbio = (BIO *)ptr;
+        if (!BIO_set_write_buffer_size(dbio, ctx->obuf_size))
+            ret = 0;
+        break;
+    default:
+        if (b->next_bio == NULL)
+            return (0);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    }
+    return (ret);
+ malloc_error:
+    BIOerr(BIO_F_LINEBUFFER_CTRL, ERR_R_MALLOC_FAILURE);
+    return (0);
+}
+
+static long linebuffer_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+{
+    long ret = 1;
+
+    if (b->next_bio == NULL)
+        return (0);
+    switch (cmd) {
+    default:
+        ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+        break;
+    }
+    return (ret);
+}
+
+static int linebuffer_gets(BIO *b, char *buf, int size)
+{
+    if (b->next_bio == NULL)
+        return (0);
+    return (BIO_gets(b->next_bio, buf, size));
+}
+
+static int linebuffer_puts(BIO *b, const char *str)
+{
+    return (linebuffer_write(b, str, strlen(str)));
+}
diff --git a/thirdparty/openssl/crypto/bio/bf_nbio.c b/thirdparty/openssl/crypto/bio/bf_nbio.c
new file mode 100644
index 0000000000..a04f32a008
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bf_nbio.c
@@ -0,0 +1,253 @@
+/* crypto/bio/bf_nbio.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/rand.h>
+#include <openssl/bio.h>
+
+/*
+ * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest
+ */
+
+static int nbiof_write(BIO *h, const char *buf, int num);
+static int nbiof_read(BIO *h, char *buf, int size);
+static int nbiof_puts(BIO *h, const char *str);
+static int nbiof_gets(BIO *h, char *str, int size);
+static long nbiof_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int nbiof_new(BIO *h);
+static int nbiof_free(BIO *data);
+static long nbiof_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+typedef struct nbio_test_st {
+    /* only set if we sent a 'should retry' error */
+    int lrn;
+    int lwn;
+} NBIO_TEST;
+
+static BIO_METHOD methods_nbiof = {
+    BIO_TYPE_NBIO_TEST,
+    "non-blocking IO test filter",
+    nbiof_write,
+    nbiof_read,
+    nbiof_puts,
+    nbiof_gets,
+    nbiof_ctrl,
+    nbiof_new,
+    nbiof_free,
+    nbiof_callback_ctrl,
+};
+
+BIO_METHOD *BIO_f_nbio_test(void)
+{
+    return (&methods_nbiof);
+}
+
+static int nbiof_new(BIO *bi)
+{
+    NBIO_TEST *nt;
+
+    if (!(nt = (NBIO_TEST *)OPENSSL_malloc(sizeof(NBIO_TEST))))
+        return (0);
+    nt->lrn = -1;
+    nt->lwn = -1;
+    bi->ptr = (char *)nt;
+    bi->init = 1;
+    bi->flags = 0;
+    return (1);
+}
+
+static int nbiof_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->ptr != NULL)
+        OPENSSL_free(a->ptr);
+    a->ptr = NULL;
+    a->init = 0;
+    a->flags = 0;
+    return (1);
+}
+
+static int nbiof_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+#if 1
+    int num;
+    unsigned char n;
+#endif
+
+    if (out == NULL)
+        return (0);
+    if (b->next_bio == NULL)
+        return (0);
+
+    BIO_clear_retry_flags(b);
+#if 1
+    if (RAND_pseudo_bytes(&n, 1) < 0)
+        return -1;
+    num = (n & 0x07);
+
+    if (outl > num)
+        outl = num;
+
+    if (num == 0) {
+        ret = -1;
+        BIO_set_retry_read(b);
+    } else
+#endif
+    {
+        ret = BIO_read(b->next_bio, out, outl);
+        if (ret < 0)
+            BIO_copy_next_retry(b);
+    }
+    return (ret);
+}
+
+static int nbiof_write(BIO *b, const char *in, int inl)
+{
+    NBIO_TEST *nt;
+    int ret = 0;
+    int num;
+    unsigned char n;
+
+    if ((in == NULL) || (inl <= 0))
+        return (0);
+    if (b->next_bio == NULL)
+        return (0);
+    nt = (NBIO_TEST *)b->ptr;
+
+    BIO_clear_retry_flags(b);
+
+#if 1
+    if (nt->lwn > 0) {
+        num = nt->lwn;
+        nt->lwn = 0;
+    } else {
+        if (RAND_pseudo_bytes(&n, 1) < 0)
+            return -1;
+        num = (n & 7);
+    }
+
+    if (inl > num)
+        inl = num;
+
+    if (num == 0) {
+        ret = -1;
+        BIO_set_retry_write(b);
+    } else
+#endif
+    {
+        ret = BIO_write(b->next_bio, in, inl);
+        if (ret < 0) {
+            BIO_copy_next_retry(b);
+            nt->lwn = inl;
+        }
+    }
+    return (ret);
+}
+
+static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret;
+
+    if (b->next_bio == NULL)
+        return (0);
+    switch (cmd) {
+    case BIO_C_DO_STATE_MACHINE:
+        BIO_clear_retry_flags(b);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        BIO_copy_next_retry(b);
+        break;
+    case BIO_CTRL_DUP:
+        ret = 0L;
+        break;
+    default:
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        break;
+    }
+    return (ret);
+}
+
+static long nbiof_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+{
+    long ret = 1;
+
+    if (b->next_bio == NULL)
+        return (0);
+    switch (cmd) {
+    default:
+        ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+        break;
+    }
+    return (ret);
+}
+
+static int nbiof_gets(BIO *bp, char *buf, int size)
+{
+    if (bp->next_bio == NULL)
+        return (0);
+    return (BIO_gets(bp->next_bio, buf, size));
+}
+
+static int nbiof_puts(BIO *bp, const char *str)
+{
+    if (bp->next_bio == NULL)
+        return (0);
+    return (BIO_puts(bp->next_bio, str));
+}
diff --git a/thirdparty/openssl/crypto/bio/bf_null.c b/thirdparty/openssl/crypto/bio/bf_null.c
new file mode 100644
index 0000000000..e0c79e8291
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bf_null.c
@@ -0,0 +1,189 @@
+/* crypto/bio/bf_null.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+/*
+ * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest
+ */
+
+static int nullf_write(BIO *h, const char *buf, int num);
+static int nullf_read(BIO *h, char *buf, int size);
+static int nullf_puts(BIO *h, const char *str);
+static int nullf_gets(BIO *h, char *str, int size);
+static long nullf_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int nullf_new(BIO *h);
+static int nullf_free(BIO *data);
+static long nullf_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+static BIO_METHOD methods_nullf = {
+    BIO_TYPE_NULL_FILTER,
+    "NULL filter",
+    nullf_write,
+    nullf_read,
+    nullf_puts,
+    nullf_gets,
+    nullf_ctrl,
+    nullf_new,
+    nullf_free,
+    nullf_callback_ctrl,
+};
+
+BIO_METHOD *BIO_f_null(void)
+{
+    return (&methods_nullf);
+}
+
+static int nullf_new(BIO *bi)
+{
+    bi->init = 1;
+    bi->ptr = NULL;
+    bi->flags = 0;
+    return (1);
+}
+
+static int nullf_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    /*-
+    a->ptr=NULL;
+    a->init=0;
+    a->flags=0;
+    */
+    return (1);
+}
+
+static int nullf_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+
+    if (out == NULL)
+        return (0);
+    if (b->next_bio == NULL)
+        return (0);
+    ret = BIO_read(b->next_bio, out, outl);
+    BIO_clear_retry_flags(b);
+    BIO_copy_next_retry(b);
+    return (ret);
+}
+
+static int nullf_write(BIO *b, const char *in, int inl)
+{
+    int ret = 0;
+
+    if ((in == NULL) || (inl <= 0))
+        return (0);
+    if (b->next_bio == NULL)
+        return (0);
+    ret = BIO_write(b->next_bio, in, inl);
+    BIO_clear_retry_flags(b);
+    BIO_copy_next_retry(b);
+    return (ret);
+}
+
+static long nullf_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret;
+
+    if (b->next_bio == NULL)
+        return (0);
+    switch (cmd) {
+    case BIO_C_DO_STATE_MACHINE:
+        BIO_clear_retry_flags(b);
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+        BIO_copy_next_retry(b);
+        break;
+    case BIO_CTRL_DUP:
+        ret = 0L;
+        break;
+    default:
+        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+    }
+    return (ret);
+}
+
+static long nullf_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+{
+    long ret = 1;
+
+    if (b->next_bio == NULL)
+        return (0);
+    switch (cmd) {
+    default:
+        ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+        break;
+    }
+    return (ret);
+}
+
+static int nullf_gets(BIO *bp, char *buf, int size)
+{
+    if (bp->next_bio == NULL)
+        return (0);
+    return (BIO_gets(bp->next_bio, buf, size));
+}
+
+static int nullf_puts(BIO *bp, const char *str)
+{
+    if (bp->next_bio == NULL)
+        return (0);
+    return (BIO_puts(bp->next_bio, str));
+}
diff --git a/thirdparty/openssl/crypto/bio/bio_cb.c b/thirdparty/openssl/crypto/bio/bio_cb.c
new file mode 100644
index 0000000000..d3e860686c
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bio_cb.c
@@ -0,0 +1,145 @@
+/* crypto/bio/bio_cb.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+
+long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp,
+                                    int argi, long argl, long ret)
+{
+    BIO *b;
+    MS_STATIC char buf[256];
+    char *p;
+    long r = 1;
+    int len;
+    size_t p_maxlen;
+
+    if (BIO_CB_RETURN & cmd)
+        r = ret;
+
+    len = BIO_snprintf(buf,sizeof buf,"BIO[%p]: ",(void *)bio);
+
+    p = buf + len;
+    p_maxlen = sizeof(buf) - len;
+
+    switch (cmd) {
+    case BIO_CB_FREE:
+        BIO_snprintf(p, p_maxlen, "Free - %s\n", bio->method->name);
+        break;
+    case BIO_CB_READ:
+        if (bio->method->type & BIO_TYPE_DESCRIPTOR)
+            BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s fd=%d\n",
+                         bio->num, (unsigned long)argi,
+                         bio->method->name, bio->num);
+        else
+            BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s\n",
+                         bio->num, (unsigned long)argi, bio->method->name);
+        break;
+    case BIO_CB_WRITE:
+        if (bio->method->type & BIO_TYPE_DESCRIPTOR)
+            BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s fd=%d\n",
+                         bio->num, (unsigned long)argi,
+                         bio->method->name, bio->num);
+        else
+            BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s\n",
+                         bio->num, (unsigned long)argi, bio->method->name);
+        break;
+    case BIO_CB_PUTS:
+        BIO_snprintf(p, p_maxlen, "puts() - %s\n", bio->method->name);
+        break;
+    case BIO_CB_GETS:
+        BIO_snprintf(p, p_maxlen, "gets(%lu) - %s\n", (unsigned long)argi,
+                     bio->method->name);
+        break;
+    case BIO_CB_CTRL:
+        BIO_snprintf(p, p_maxlen, "ctrl(%lu) - %s\n", (unsigned long)argi,
+                     bio->method->name);
+        break;
+    case BIO_CB_RETURN | BIO_CB_READ:
+        BIO_snprintf(p, p_maxlen, "read return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_WRITE:
+        BIO_snprintf(p, p_maxlen, "write return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_GETS:
+        BIO_snprintf(p, p_maxlen, "gets return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_PUTS:
+        BIO_snprintf(p, p_maxlen, "puts return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_CTRL:
+        BIO_snprintf(p, p_maxlen, "ctrl return %ld\n", ret);
+        break;
+    default:
+        BIO_snprintf(p, p_maxlen, "bio callback - unknown type (%d)\n", cmd);
+        break;
+    }
+
+    b = (BIO *)bio->cb_arg;
+    if (b != NULL)
+        BIO_write(b, buf, strlen(buf));
+#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
+    else
+        fputs(buf, stderr);
+#endif
+    return (r);
+}
diff --git a/thirdparty/openssl/crypto/bio/bio_err.c b/thirdparty/openssl/crypto/bio/bio_err.c
new file mode 100644
index 0000000000..d9007aa3d3
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bio_err.c
@@ -0,0 +1,157 @@
+/* crypto/bio/bio_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2015 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include <openssl/bio.h>
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+
+# define ERR_FUNC(func) ERR_PACK(ERR_LIB_BIO,func,0)
+# define ERR_REASON(reason) ERR_PACK(ERR_LIB_BIO,0,reason)
+
+static ERR_STRING_DATA BIO_str_functs[] = {
+    {ERR_FUNC(BIO_F_ACPT_STATE), "ACPT_STATE"},
+    {ERR_FUNC(BIO_F_BIO_ACCEPT), "BIO_accept"},
+    {ERR_FUNC(BIO_F_BIO_BER_GET_HEADER), "BIO_BER_GET_HEADER"},
+    {ERR_FUNC(BIO_F_BIO_CALLBACK_CTRL), "BIO_callback_ctrl"},
+    {ERR_FUNC(BIO_F_BIO_CTRL), "BIO_ctrl"},
+    {ERR_FUNC(BIO_F_BIO_GETHOSTBYNAME), "BIO_gethostbyname"},
+    {ERR_FUNC(BIO_F_BIO_GETS), "BIO_gets"},
+    {ERR_FUNC(BIO_F_BIO_GET_ACCEPT_SOCKET), "BIO_get_accept_socket"},
+    {ERR_FUNC(BIO_F_BIO_GET_HOST_IP), "BIO_get_host_ip"},
+    {ERR_FUNC(BIO_F_BIO_GET_PORT), "BIO_get_port"},
+    {ERR_FUNC(BIO_F_BIO_MAKE_PAIR), "BIO_MAKE_PAIR"},
+    {ERR_FUNC(BIO_F_BIO_NEW), "BIO_new"},
+    {ERR_FUNC(BIO_F_BIO_NEW_FILE), "BIO_new_file"},
+    {ERR_FUNC(BIO_F_BIO_NEW_MEM_BUF), "BIO_new_mem_buf"},
+    {ERR_FUNC(BIO_F_BIO_NREAD), "BIO_nread"},
+    {ERR_FUNC(BIO_F_BIO_NREAD0), "BIO_nread0"},
+    {ERR_FUNC(BIO_F_BIO_NWRITE), "BIO_nwrite"},
+    {ERR_FUNC(BIO_F_BIO_NWRITE0), "BIO_nwrite0"},
+    {ERR_FUNC(BIO_F_BIO_PUTS), "BIO_puts"},
+    {ERR_FUNC(BIO_F_BIO_READ), "BIO_read"},
+    {ERR_FUNC(BIO_F_BIO_SOCK_INIT), "BIO_sock_init"},
+    {ERR_FUNC(BIO_F_BIO_WRITE), "BIO_write"},
+    {ERR_FUNC(BIO_F_BUFFER_CTRL), "BUFFER_CTRL"},
+    {ERR_FUNC(BIO_F_CONN_CTRL), "CONN_CTRL"},
+    {ERR_FUNC(BIO_F_CONN_STATE), "CONN_STATE"},
+    {ERR_FUNC(BIO_F_DGRAM_SCTP_READ), "DGRAM_SCTP_READ"},
+    {ERR_FUNC(BIO_F_DGRAM_SCTP_WRITE), "DGRAM_SCTP_WRITE"},
+    {ERR_FUNC(BIO_F_FILE_CTRL), "FILE_CTRL"},
+    {ERR_FUNC(BIO_F_FILE_READ), "FILE_READ"},
+    {ERR_FUNC(BIO_F_LINEBUFFER_CTRL), "LINEBUFFER_CTRL"},
+    {ERR_FUNC(BIO_F_MEM_READ), "MEM_READ"},
+    {ERR_FUNC(BIO_F_MEM_WRITE), "MEM_WRITE"},
+    {ERR_FUNC(BIO_F_SSL_NEW), "SSL_new"},
+    {ERR_FUNC(BIO_F_WSASTARTUP), "WSASTARTUP"},
+    {0, NULL}
+};
+
+static ERR_STRING_DATA BIO_str_reasons[] = {
+    {ERR_REASON(BIO_R_ACCEPT_ERROR), "accept error"},
+    {ERR_REASON(BIO_R_BAD_FOPEN_MODE), "bad fopen mode"},
+    {ERR_REASON(BIO_R_BAD_HOSTNAME_LOOKUP), "bad hostname lookup"},
+    {ERR_REASON(BIO_R_BROKEN_PIPE), "broken pipe"},
+    {ERR_REASON(BIO_R_CONNECT_ERROR), "connect error"},
+    {ERR_REASON(BIO_R_EOF_ON_MEMORY_BIO), "EOF on memory BIO"},
+    {ERR_REASON(BIO_R_ERROR_SETTING_NBIO), "error setting nbio"},
+    {ERR_REASON(BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET),
+     "error setting nbio on accepted socket"},
+    {ERR_REASON(BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET),
+     "error setting nbio on accept socket"},
+    {ERR_REASON(BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET),
+     "gethostbyname addr is not af inet"},
+    {ERR_REASON(BIO_R_INVALID_ARGUMENT), "invalid argument"},
+    {ERR_REASON(BIO_R_INVALID_IP_ADDRESS), "invalid ip address"},
+    {ERR_REASON(BIO_R_IN_USE), "in use"},
+    {ERR_REASON(BIO_R_KEEPALIVE), "keepalive"},
+    {ERR_REASON(BIO_R_NBIO_CONNECT_ERROR), "nbio connect error"},
+    {ERR_REASON(BIO_R_NO_ACCEPT_PORT_SPECIFIED), "no accept port specified"},
+    {ERR_REASON(BIO_R_NO_HOSTNAME_SPECIFIED), "no hostname specified"},
+    {ERR_REASON(BIO_R_NO_PORT_DEFINED), "no port defined"},
+    {ERR_REASON(BIO_R_NO_PORT_SPECIFIED), "no port specified"},
+    {ERR_REASON(BIO_R_NO_SUCH_FILE), "no such file"},
+    {ERR_REASON(BIO_R_NULL_PARAMETER), "null parameter"},
+    {ERR_REASON(BIO_R_TAG_MISMATCH), "tag mismatch"},
+    {ERR_REASON(BIO_R_UNABLE_TO_BIND_SOCKET), "unable to bind socket"},
+    {ERR_REASON(BIO_R_UNABLE_TO_CREATE_SOCKET), "unable to create socket"},
+    {ERR_REASON(BIO_R_UNABLE_TO_LISTEN_SOCKET), "unable to listen socket"},
+    {ERR_REASON(BIO_R_UNINITIALIZED), "uninitialized"},
+    {ERR_REASON(BIO_R_UNSUPPORTED_METHOD), "unsupported method"},
+    {ERR_REASON(BIO_R_WRITE_TO_READ_ONLY_BIO), "write to read only BIO"},
+    {ERR_REASON(BIO_R_WSASTARTUP), "WSAStartup"},
+    {0, NULL}
+};
+
+#endif
+
+void ERR_load_BIO_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+
+    if (ERR_func_error_string(BIO_str_functs[0].error) == NULL) {
+        ERR_load_strings(0, BIO_str_functs);
+        ERR_load_strings(0, BIO_str_reasons);
+    }
+#endif
+}
diff --git a/thirdparty/openssl/crypto/bio/bio_lcl.h b/thirdparty/openssl/crypto/bio/bio_lcl.h
new file mode 100644
index 0000000000..741884da84
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bio_lcl.h
@@ -0,0 +1,36 @@
+#include <openssl/bio.h>
+
+#if BIO_FLAGS_UPLINK==0
+/* Shortcut UPLINK calls on most platforms... */
+# define UP_stdin        stdin
+# define UP_stdout       stdout
+# define UP_stderr       stderr
+# define UP_fprintf      fprintf
+# define UP_fgets        fgets
+# define UP_fread        fread
+# define UP_fwrite       fwrite
+# undef  UP_fsetmod
+# define UP_feof         feof
+# define UP_fclose       fclose
+
+# define UP_fopen        fopen
+# define UP_fseek        fseek
+# define UP_ftell        ftell
+# define UP_fflush       fflush
+# define UP_ferror       ferror
+# ifdef _WIN32
+#  define UP_fileno       _fileno
+#  define UP_open         _open
+#  define UP_read         _read
+#  define UP_write        _write
+#  define UP_lseek        _lseek
+#  define UP_close        _close
+# else
+#  define UP_fileno       fileno
+#  define UP_open         open
+#  define UP_read         read
+#  define UP_write        write
+#  define UP_lseek        lseek
+#  define UP_close        close
+# endif
+#endif
diff --git a/thirdparty/openssl/crypto/bio/bio_lib.c b/thirdparty/openssl/crypto/bio/bio_lib.c
new file mode 100644
index 0000000000..07934f8a66
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bio_lib.c
@@ -0,0 +1,596 @@
+/* crypto/bio/bio_lib.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <openssl/crypto.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+#include <openssl/stack.h>
+
+BIO *BIO_new(BIO_METHOD *method)
+{
+    BIO *ret = NULL;
+
+    ret = (BIO *)OPENSSL_malloc(sizeof(BIO));
+    if (ret == NULL) {
+        BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
+    if (!BIO_set(ret, method)) {
+        OPENSSL_free(ret);
+        ret = NULL;
+    }
+    return (ret);
+}
+
+int BIO_set(BIO *bio, BIO_METHOD *method)
+{
+    bio->method = method;
+    bio->callback = NULL;
+    bio->cb_arg = NULL;
+    bio->init = 0;
+    bio->shutdown = 1;
+    bio->flags = 0;
+    bio->retry_reason = 0;
+    bio->num = 0;
+    bio->ptr = NULL;
+    bio->prev_bio = NULL;
+    bio->next_bio = NULL;
+    bio->references = 1;
+    bio->num_read = 0L;
+    bio->num_write = 0L;
+    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+    if (method->create != NULL)
+        if (!method->create(bio)) {
+            CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+            return (0);
+        }
+    return (1);
+}
+
+int BIO_free(BIO *a)
+{
+    int i;
+
+    if (a == NULL)
+        return (0);
+
+    i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO);
+#ifdef REF_PRINT
+    REF_PRINT("BIO", a);
+#endif
+    if (i > 0)
+        return (1);
+#ifdef REF_CHECK
+    if (i < 0) {
+        fprintf(stderr, "BIO_free, bad reference count\n");
+        abort();
+    }
+#endif
+    if ((a->callback != NULL) &&
+        ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))
+        return (i);
+
+    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
+
+    if ((a->method != NULL) && (a->method->destroy != NULL))
+        a->method->destroy(a);
+    OPENSSL_free(a);
+    return (1);
+}
+
+void BIO_vfree(BIO *a)
+{
+    BIO_free(a);
+}
+
+void BIO_clear_flags(BIO *b, int flags)
+{
+    b->flags &= ~flags;
+}
+
+int BIO_test_flags(const BIO *b, int flags)
+{
+    return (b->flags & flags);
+}
+
+void BIO_set_flags(BIO *b, int flags)
+{
+    b->flags |= flags;
+}
+
+long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *,
+                                        int, long, long) {
+    return b->callback;
+}
+
+void BIO_set_callback(BIO *b,
+                      long (*cb) (struct bio_st *, int, const char *, int,
+                                  long, long))
+{
+    b->callback = cb;
+}
+
+void BIO_set_callback_arg(BIO *b, char *arg)
+{
+    b->cb_arg = arg;
+}
+
+char *BIO_get_callback_arg(const BIO *b)
+{
+    return b->cb_arg;
+}
+
+const char *BIO_method_name(const BIO *b)
+{
+    return b->method->name;
+}
+
+int BIO_method_type(const BIO *b)
+{
+    return b->method->type;
+}
+
+int BIO_read(BIO *b, void *out, int outl)
+{
+    int i;
+    long (*cb) (BIO *, int, const char *, int, long, long);
+
+    if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) {
+        BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD);
+        return (-2);
+    }
+
+    cb = b->callback;
+    if ((cb != NULL) &&
+        ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0))
+        return (i);
+
+    if (!b->init) {
+        BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED);
+        return (-2);
+    }
+
+    i = b->method->bread(b, out, outl);
+
+    if (i > 0)
+        b->num_read += (unsigned long)i;
+
+    if (cb != NULL)
+        i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i);
+    return (i);
+}
+
+int BIO_write(BIO *b, const void *in, int inl)
+{
+    int i;
+    long (*cb) (BIO *, int, const char *, int, long, long);
+
+    if (b == NULL)
+        return (0);
+
+    cb = b->callback;
+    if ((b->method == NULL) || (b->method->bwrite == NULL)) {
+        BIOerr(BIO_F_BIO_WRITE, BIO_R_UNSUPPORTED_METHOD);
+        return (-2);
+    }
+
+    if ((cb != NULL) &&
+        ((i = (int)cb(b, BIO_CB_WRITE, in, inl, 0L, 1L)) <= 0))
+        return (i);
+
+    if (!b->init) {
+        BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED);
+        return (-2);
+    }
+
+    i = b->method->bwrite(b, in, inl);
+
+    if (i > 0)
+        b->num_write += (unsigned long)i;
+
+    if (cb != NULL)
+        i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i);
+    return (i);
+}
+
+int BIO_puts(BIO *b, const char *in)
+{
+    int i;
+    long (*cb) (BIO *, int, const char *, int, long, long);
+
+    if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) {
+        BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD);
+        return (-2);
+    }
+
+    cb = b->callback;
+
+    if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0))
+        return (i);
+
+    if (!b->init) {
+        BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED);
+        return (-2);
+    }
+
+    i = b->method->bputs(b, in);
+
+    if (i > 0)
+        b->num_write += (unsigned long)i;
+
+    if (cb != NULL)
+        i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i);
+    return (i);
+}
+
+int BIO_gets(BIO *b, char *in, int inl)
+{
+    int i;
+    long (*cb) (BIO *, int, const char *, int, long, long);
+
+    if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) {
+        BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD);
+        return (-2);
+    }
+
+    cb = b->callback;
+
+    if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0))
+        return (i);
+
+    if (!b->init) {
+        BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED);
+        return (-2);
+    }
+
+    i = b->method->bgets(b, in, inl);
+
+    if (cb != NULL)
+        i = (int)cb(b, BIO_CB_GETS | BIO_CB_RETURN, in, inl, 0L, (long)i);
+    return (i);
+}
+
+int BIO_indent(BIO *b, int indent, int max)
+{
+    if (indent < 0)
+        indent = 0;
+    if (indent > max)
+        indent = max;
+    while (indent--)
+        if (BIO_puts(b, " ") != 1)
+            return 0;
+    return 1;
+}
+
+long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg)
+{
+    int i;
+
+    i = iarg;
+    return (BIO_ctrl(b, cmd, larg, (char *)&i));
+}
+
+char *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
+{
+    char *p = NULL;
+
+    if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0)
+        return (NULL);
+    else
+        return (p);
+}
+
+long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
+{
+    long ret;
+    long (*cb) (BIO *, int, const char *, int, long, long);
+
+    if (b == NULL)
+        return (0);
+
+    if ((b->method == NULL) || (b->method->ctrl == NULL)) {
+        BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD);
+        return (-2);
+    }
+
+    cb = b->callback;
+
+    if ((cb != NULL) &&
+        ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0))
+        return (ret);
+
+    ret = b->method->ctrl(b, cmd, larg, parg);
+
+    if (cb != NULL)
+        ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, cmd, larg, ret);
+    return (ret);
+}
+
+long BIO_callback_ctrl(BIO *b, int cmd,
+                       void (*fp) (struct bio_st *, int, const char *, int,
+                                   long, long))
+{
+    long ret;
+    long (*cb) (BIO *, int, const char *, int, long, long);
+
+    if (b == NULL)
+        return (0);
+
+    if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) {
+        BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD);
+        return (-2);
+    }
+
+    cb = b->callback;
+
+    if ((cb != NULL) &&
+        ((ret = cb(b, BIO_CB_CTRL, (void *)&fp, cmd, 0, 1L)) <= 0))
+        return (ret);
+
+    ret = b->method->callback_ctrl(b, cmd, fp);
+
+    if (cb != NULL)
+        ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, cmd, 0, ret);
+    return (ret);
+}
+
+/*
+ * It is unfortunate to duplicate in functions what the BIO_(w)pending macros
+ * do; but those macros have inappropriate return type, and for interfacing
+ * from other programming languages, C macros aren't much of a help anyway.
+ */
+size_t BIO_ctrl_pending(BIO *bio)
+{
+    return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
+}
+
+size_t BIO_ctrl_wpending(BIO *bio)
+{
+    return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
+}
+
+/* put the 'bio' on the end of b's list of operators */
+BIO *BIO_push(BIO *b, BIO *bio)
+{
+    BIO *lb;
+
+    if (b == NULL)
+        return (bio);
+    lb = b;
+    while (lb->next_bio != NULL)
+        lb = lb->next_bio;
+    lb->next_bio = bio;
+    if (bio != NULL)
+        bio->prev_bio = lb;
+    /* called to do internal processing */
+    BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb);
+    return (b);
+}
+
+/* Remove the first and return the rest */
+BIO *BIO_pop(BIO *b)
+{
+    BIO *ret;
+
+    if (b == NULL)
+        return (NULL);
+    ret = b->next_bio;
+
+    BIO_ctrl(b, BIO_CTRL_POP, 0, b);
+
+    if (b->prev_bio != NULL)
+        b->prev_bio->next_bio = b->next_bio;
+    if (b->next_bio != NULL)
+        b->next_bio->prev_bio = b->prev_bio;
+
+    b->next_bio = NULL;
+    b->prev_bio = NULL;
+    return (ret);
+}
+
+BIO *BIO_get_retry_BIO(BIO *bio, int *reason)
+{
+    BIO *b, *last;
+
+    b = last = bio;
+    for (;;) {
+        if (!BIO_should_retry(b))
+            break;
+        last = b;
+        b = b->next_bio;
+        if (b == NULL)
+            break;
+    }
+    if (reason != NULL)
+        *reason = last->retry_reason;
+    return (last);
+}
+
+int BIO_get_retry_reason(BIO *bio)
+{
+    return (bio->retry_reason);
+}
+
+BIO *BIO_find_type(BIO *bio, int type)
+{
+    int mt, mask;
+
+    if (!bio)
+        return NULL;
+    mask = type & 0xff;
+    do {
+        if (bio->method != NULL) {
+            mt = bio->method->type;
+
+            if (!mask) {
+                if (mt & type)
+                    return (bio);
+            } else if (mt == type)
+                return (bio);
+        }
+        bio = bio->next_bio;
+    } while (bio != NULL);
+    return (NULL);
+}
+
+BIO *BIO_next(BIO *b)
+{
+    if (!b)
+        return NULL;
+    return b->next_bio;
+}
+
+void BIO_free_all(BIO *bio)
+{
+    BIO *b;
+    int ref;
+
+    while (bio != NULL) {
+        b = bio;
+        ref = b->references;
+        bio = bio->next_bio;
+        BIO_free(b);
+        /* Since ref count > 1, don't free anyone else. */
+        if (ref > 1)
+            break;
+    }
+}
+
+BIO *BIO_dup_chain(BIO *in)
+{
+    BIO *ret = NULL, *eoc = NULL, *bio, *new_bio;
+
+    for (bio = in; bio != NULL; bio = bio->next_bio) {
+        if ((new_bio = BIO_new(bio->method)) == NULL)
+            goto err;
+        new_bio->callback = bio->callback;
+        new_bio->cb_arg = bio->cb_arg;
+        new_bio->init = bio->init;
+        new_bio->shutdown = bio->shutdown;
+        new_bio->flags = bio->flags;
+
+        /* This will let SSL_s_sock() work with stdin/stdout */
+        new_bio->num = bio->num;
+
+        if (!BIO_dup_state(bio, (char *)new_bio)) {
+            BIO_free(new_bio);
+            goto err;
+        }
+
+        /* copy app data */
+        if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data,
+                                &bio->ex_data)) {
+            BIO_free(new_bio);
+            goto err;
+        }
+
+        if (ret == NULL) {
+            eoc = new_bio;
+            ret = eoc;
+        } else {
+            BIO_push(eoc, new_bio);
+            eoc = new_bio;
+        }
+    }
+    return (ret);
+ err:
+    BIO_free_all(ret);
+
+    return (NULL);
+}
+
+void BIO_copy_next_retry(BIO *b)
+{
+    BIO_set_flags(b, BIO_get_retry_flags(b->next_bio));
+    b->retry_reason = b->next_bio->retry_reason;
+}
+
+int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+                         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+{
+    return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, argl, argp,
+                                   new_func, dup_func, free_func);
+}
+
+int BIO_set_ex_data(BIO *bio, int idx, void *data)
+{
+    return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data));
+}
+
+void *BIO_get_ex_data(BIO *bio, int idx)
+{
+    return (CRYPTO_get_ex_data(&(bio->ex_data), idx));
+}
+
+unsigned long BIO_number_read(BIO *bio)
+{
+    if (bio)
+        return bio->num_read;
+    return 0;
+}
+
+unsigned long BIO_number_written(BIO *bio)
+{
+    if (bio)
+        return bio->num_write;
+    return 0;
+}
+
+IMPLEMENT_STACK_OF(BIO)
diff --git a/thirdparty/openssl/crypto/bio/bss_acpt.c b/thirdparty/openssl/crypto/bio/bss_acpt.c
new file mode 100644
index 0000000000..4a5e39bd38
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_acpt.c
@@ -0,0 +1,463 @@
+/* crypto/bio/bss_acpt.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+#ifndef OPENSSL_NO_SOCK
+
+# ifdef OPENSSL_SYS_WIN16
+#  define SOCKET_PROTOCOL 0     /* more microsoft stupidity */
+# else
+#  define SOCKET_PROTOCOL IPPROTO_TCP
+# endif
+
+# if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#  undef FIONBIO
+# endif
+
+typedef struct bio_accept_st {
+    int state;
+    char *param_addr;
+    int accept_sock;
+    int accept_nbio;
+    char *addr;
+    int nbio;
+    /*
+     * If 0, it means normal, if 1, do a connect on bind failure, and if
+     * there is no-one listening, bind with SO_REUSEADDR. If 2, always use
+     * SO_REUSEADDR.
+     */
+    int bind_mode;
+    BIO *bio_chain;
+} BIO_ACCEPT;
+
+static int acpt_write(BIO *h, const char *buf, int num);
+static int acpt_read(BIO *h, char *buf, int size);
+static int acpt_puts(BIO *h, const char *str);
+static long acpt_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int acpt_new(BIO *h);
+static int acpt_free(BIO *data);
+static int acpt_state(BIO *b, BIO_ACCEPT *c);
+static void acpt_close_socket(BIO *data);
+static BIO_ACCEPT *BIO_ACCEPT_new(void);
+static void BIO_ACCEPT_free(BIO_ACCEPT *a);
+
+# define ACPT_S_BEFORE                   1
+# define ACPT_S_GET_ACCEPT_SOCKET        2
+# define ACPT_S_OK                       3
+
+static BIO_METHOD methods_acceptp = {
+    BIO_TYPE_ACCEPT,
+    "socket accept",
+    acpt_write,
+    acpt_read,
+    acpt_puts,
+    NULL,                       /* connect_gets, */
+    acpt_ctrl,
+    acpt_new,
+    acpt_free,
+    NULL,
+};
+
+BIO_METHOD *BIO_s_accept(void)
+{
+    return (&methods_acceptp);
+}
+
+static int acpt_new(BIO *bi)
+{
+    BIO_ACCEPT *ba;
+
+    bi->init = 0;
+    bi->num = INVALID_SOCKET;
+    bi->flags = 0;
+    if ((ba = BIO_ACCEPT_new()) == NULL)
+        return (0);
+    bi->ptr = (char *)ba;
+    ba->state = ACPT_S_BEFORE;
+    bi->shutdown = 1;
+    return (1);
+}
+
+static BIO_ACCEPT *BIO_ACCEPT_new(void)
+{
+    BIO_ACCEPT *ret;
+
+    if ((ret = (BIO_ACCEPT *)OPENSSL_malloc(sizeof(BIO_ACCEPT))) == NULL)
+        return (NULL);
+
+    memset(ret, 0, sizeof(BIO_ACCEPT));
+    ret->accept_sock = INVALID_SOCKET;
+    ret->bind_mode = BIO_BIND_NORMAL;
+    return (ret);
+}
+
+static void BIO_ACCEPT_free(BIO_ACCEPT *a)
+{
+    if (a == NULL)
+        return;
+
+    if (a->param_addr != NULL)
+        OPENSSL_free(a->param_addr);
+    if (a->addr != NULL)
+        OPENSSL_free(a->addr);
+    if (a->bio_chain != NULL)
+        BIO_free(a->bio_chain);
+    OPENSSL_free(a);
+}
+
+static void acpt_close_socket(BIO *bio)
+{
+    BIO_ACCEPT *c;
+
+    c = (BIO_ACCEPT *)bio->ptr;
+    if (c->accept_sock != INVALID_SOCKET) {
+        shutdown(c->accept_sock, 2);
+        closesocket(c->accept_sock);
+        c->accept_sock = INVALID_SOCKET;
+        bio->num = INVALID_SOCKET;
+    }
+}
+
+static int acpt_free(BIO *a)
+{
+    BIO_ACCEPT *data;
+
+    if (a == NULL)
+        return (0);
+    data = (BIO_ACCEPT *)a->ptr;
+
+    if (a->shutdown) {
+        acpt_close_socket(a);
+        BIO_ACCEPT_free(data);
+        a->ptr = NULL;
+        a->flags = 0;
+        a->init = 0;
+    }
+    return (1);
+}
+
+static int acpt_state(BIO *b, BIO_ACCEPT *c)
+{
+    BIO *bio = NULL, *dbio;
+    int s = -1;
+    int i;
+
+ again:
+    switch (c->state) {
+    case ACPT_S_BEFORE:
+        if (c->param_addr == NULL) {
+            BIOerr(BIO_F_ACPT_STATE, BIO_R_NO_ACCEPT_PORT_SPECIFIED);
+            return (-1);
+        }
+        s = BIO_get_accept_socket(c->param_addr, c->bind_mode);
+        if (s == INVALID_SOCKET)
+            return (-1);
+
+        if (c->accept_nbio) {
+            if (!BIO_socket_nbio(s, 1)) {
+                closesocket(s);
+                BIOerr(BIO_F_ACPT_STATE,
+                       BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
+                return (-1);
+            }
+        }
+        c->accept_sock = s;
+        b->num = s;
+        c->state = ACPT_S_GET_ACCEPT_SOCKET;
+        return (1);
+        /* break; */
+    case ACPT_S_GET_ACCEPT_SOCKET:
+        if (b->next_bio != NULL) {
+            c->state = ACPT_S_OK;
+            goto again;
+        }
+        BIO_clear_retry_flags(b);
+        b->retry_reason = 0;
+        i = BIO_accept(c->accept_sock, &(c->addr));
+
+        /* -2 return means we should retry */
+        if (i == -2) {
+            BIO_set_retry_special(b);
+            b->retry_reason = BIO_RR_ACCEPT;
+            return -1;
+        }
+
+        if (i < 0)
+            return (i);
+
+        bio = BIO_new_socket(i, BIO_CLOSE);
+        if (bio == NULL)
+            goto err;
+
+        BIO_set_callback(bio, BIO_get_callback(b));
+        BIO_set_callback_arg(bio, BIO_get_callback_arg(b));
+
+        if (c->nbio) {
+            if (!BIO_socket_nbio(i, 1)) {
+                BIOerr(BIO_F_ACPT_STATE,
+                       BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
+                goto err;
+            }
+        }
+
+        /*
+         * If the accept BIO has an bio_chain, we dup it and put the new
+         * socket at the end.
+         */
+        if (c->bio_chain != NULL) {
+            if ((dbio = BIO_dup_chain(c->bio_chain)) == NULL)
+                goto err;
+            if (!BIO_push(dbio, bio))
+                goto err;
+            bio = dbio;
+        }
+        if (BIO_push(b, bio) == NULL)
+            goto err;
+
+        c->state = ACPT_S_OK;
+        return (1);
+ err:
+        if (bio != NULL)
+            BIO_free(bio);
+        else if (s >= 0)
+            closesocket(s);
+        return (0);
+        /* break; */
+    case ACPT_S_OK:
+        if (b->next_bio == NULL) {
+            c->state = ACPT_S_GET_ACCEPT_SOCKET;
+            goto again;
+        }
+        return (1);
+        /* break; */
+    default:
+        return (0);
+        /* break; */
+    }
+
+}
+
+static int acpt_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+    BIO_ACCEPT *data;
+
+    BIO_clear_retry_flags(b);
+    data = (BIO_ACCEPT *)b->ptr;
+
+    while (b->next_bio == NULL) {
+        ret = acpt_state(b, data);
+        if (ret <= 0)
+            return (ret);
+    }
+
+    ret = BIO_read(b->next_bio, out, outl);
+    BIO_copy_next_retry(b);
+    return (ret);
+}
+
+static int acpt_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+    BIO_ACCEPT *data;
+
+    BIO_clear_retry_flags(b);
+    data = (BIO_ACCEPT *)b->ptr;
+
+    while (b->next_bio == NULL) {
+        ret = acpt_state(b, data);
+        if (ret <= 0)
+            return (ret);
+    }
+
+    ret = BIO_write(b->next_bio, in, inl);
+    BIO_copy_next_retry(b);
+    return (ret);
+}
+
+static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    int *ip;
+    long ret = 1;
+    BIO_ACCEPT *data;
+    char **pp;
+
+    data = (BIO_ACCEPT *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        ret = 0;
+        data->state = ACPT_S_BEFORE;
+        acpt_close_socket(b);
+        b->flags = 0;
+        break;
+    case BIO_C_DO_STATE_MACHINE:
+        /* use this one to start the connection */
+        ret = (long)acpt_state(b, data);
+        break;
+    case BIO_C_SET_ACCEPT:
+        if (ptr != NULL) {
+            if (num == 0) {
+                b->init = 1;
+                if (data->param_addr != NULL)
+                    OPENSSL_free(data->param_addr);
+                data->param_addr = BUF_strdup(ptr);
+            } else if (num == 1) {
+                data->accept_nbio = (ptr != NULL);
+            } else if (num == 2) {
+                if (data->bio_chain != NULL)
+                    BIO_free(data->bio_chain);
+                data->bio_chain = (BIO *)ptr;
+            }
+        }
+        break;
+    case BIO_C_SET_NBIO:
+        data->nbio = (int)num;
+        break;
+    case BIO_C_SET_FD:
+        b->init = 1;
+        b->num = *((int *)ptr);
+        data->accept_sock = b->num;
+        data->state = ACPT_S_GET_ACCEPT_SOCKET;
+        b->shutdown = (int)num;
+        b->init = 1;
+        break;
+    case BIO_C_GET_FD:
+        if (b->init) {
+            ip = (int *)ptr;
+            if (ip != NULL)
+                *ip = data->accept_sock;
+            ret = data->accept_sock;
+        } else
+            ret = -1;
+        break;
+    case BIO_C_GET_ACCEPT:
+        if (b->init) {
+            if (ptr != NULL) {
+                pp = (char **)ptr;
+                *pp = data->param_addr;
+            } else
+                ret = -1;
+        } else
+            ret = -1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+        ret = 0;
+        break;
+    case BIO_CTRL_FLUSH:
+        break;
+    case BIO_C_SET_BIND_MODE:
+        data->bind_mode = (int)num;
+        break;
+    case BIO_C_GET_BIND_MODE:
+        ret = (long)data->bind_mode;
+        break;
+    case BIO_CTRL_DUP:
+/*-     dbio=(BIO *)ptr;
+        if (data->param_port) EAY EAY
+                BIO_set_port(dbio,data->param_port);
+        if (data->param_hostname)
+                BIO_set_hostname(dbio,data->param_hostname);
+        BIO_set_nbio(dbio,data->nbio); */
+        break;
+
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int acpt_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = acpt_write(bp, str, n);
+    return (ret);
+}
+
+BIO *BIO_new_accept(const char *str)
+{
+    BIO *ret;
+
+    ret = BIO_new(BIO_s_accept());
+    if (ret == NULL)
+        return (NULL);
+    if (BIO_set_accept_port(ret, str))
+        return (ret);
+    else {
+        BIO_free(ret);
+        return (NULL);
+    }
+}
+
+#endif
diff --git a/thirdparty/openssl/crypto/bio/bss_bio.c b/thirdparty/openssl/crypto/bio/bss_bio.c
new file mode 100644
index 0000000000..4d8727f8f8
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_bio.c
@@ -0,0 +1,886 @@
+/* crypto/bio/bss_bio.c  */
+/* ====================================================================
+ * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/*
+ * Special method for a BIO where the other endpoint is also a BIO of this
+ * kind, handled by the same thread (i.e. the "peer" is actually ourselves,
+ * wearing a different hat). Such "BIO pairs" are mainly for using the SSL
+ * library with I/O interfaces for which no specific BIO method is available.
+ * See ssl/ssltest.c for some hints on how this can be used.
+ */
+
+/* BIO_DEBUG implies BIO_PAIR_DEBUG */
+#ifdef BIO_DEBUG
+# ifndef BIO_PAIR_DEBUG
+#  define BIO_PAIR_DEBUG
+# endif
+#endif
+
+/* disable assert() unless BIO_PAIR_DEBUG has been defined */
+#ifndef BIO_PAIR_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+
+#include <assert.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/crypto.h>
+
+#include "e_os.h"
+
+/* VxWorks defines SSIZE_MAX with an empty value causing compile errors */
+#if defined(OPENSSL_SYS_VXWORKS)
+# undef SSIZE_MAX
+#endif
+#ifndef SSIZE_MAX
+# define SSIZE_MAX INT_MAX
+#endif
+
+static int bio_new(BIO *bio);
+static int bio_free(BIO *bio);
+static int bio_read(BIO *bio, char *buf, int size);
+static int bio_write(BIO *bio, const char *buf, int num);
+static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr);
+static int bio_puts(BIO *bio, const char *str);
+
+static int bio_make_pair(BIO *bio1, BIO *bio2);
+static void bio_destroy_pair(BIO *bio);
+
+static BIO_METHOD methods_biop = {
+    BIO_TYPE_BIO,
+    "BIO pair",
+    bio_write,
+    bio_read,
+    bio_puts,
+    NULL /* no bio_gets */ ,
+    bio_ctrl,
+    bio_new,
+    bio_free,
+    NULL                        /* no bio_callback_ctrl */
+};
+
+BIO_METHOD *BIO_s_bio(void)
+{
+    return &methods_biop;
+}
+
+struct bio_bio_st {
+    BIO *peer;                  /* NULL if buf == NULL. If peer != NULL, then
+                                 * peer->ptr is also a bio_bio_st, and its
+                                 * "peer" member points back to us. peer !=
+                                 * NULL iff init != 0 in the BIO. */
+    /* This is for what we write (i.e. reading uses peer's struct): */
+    int closed;                 /* valid iff peer != NULL */
+    size_t len;                 /* valid iff buf != NULL; 0 if peer == NULL */
+    size_t offset;              /* valid iff buf != NULL; 0 if len == 0 */
+    size_t size;
+    char *buf;                  /* "size" elements (if != NULL) */
+    size_t request;             /* valid iff peer != NULL; 0 if len != 0,
+                                 * otherwise set by peer to number of bytes
+                                 * it (unsuccessfully) tried to read, never
+                                 * more than buffer space (size-len)
+                                 * warrants. */
+};
+
+static int bio_new(BIO *bio)
+{
+    struct bio_bio_st *b;
+
+    b = OPENSSL_malloc(sizeof *b);
+    if (b == NULL)
+        return 0;
+
+    b->peer = NULL;
+    /* enough for one TLS record (just a default) */
+    b->size = 17 * 1024;
+    b->buf = NULL;
+
+    bio->ptr = b;
+    return 1;
+}
+
+static int bio_free(BIO *bio)
+{
+    struct bio_bio_st *b;
+
+    if (bio == NULL)
+        return 0;
+    b = bio->ptr;
+
+    assert(b != NULL);
+
+    if (b->peer)
+        bio_destroy_pair(bio);
+
+    if (b->buf != NULL) {
+        OPENSSL_free(b->buf);
+    }
+
+    OPENSSL_free(b);
+
+    return 1;
+}
+
+static int bio_read(BIO *bio, char *buf, int size_)
+{
+    size_t size = size_;
+    size_t rest;
+    struct bio_bio_st *b, *peer_b;
+
+    BIO_clear_retry_flags(bio);
+
+    if (!bio->init)
+        return 0;
+
+    b = bio->ptr;
+    assert(b != NULL);
+    assert(b->peer != NULL);
+    peer_b = b->peer->ptr;
+    assert(peer_b != NULL);
+    assert(peer_b->buf != NULL);
+
+    peer_b->request = 0;        /* will be set in "retry_read" situation */
+
+    if (buf == NULL || size == 0)
+        return 0;
+
+    if (peer_b->len == 0) {
+        if (peer_b->closed)
+            return 0;           /* writer has closed, and no data is left */
+        else {
+            BIO_set_retry_read(bio); /* buffer is empty */
+            if (size <= peer_b->size)
+                peer_b->request = size;
+            else
+                /*
+                 * don't ask for more than the peer can deliver in one write
+                 */
+                peer_b->request = peer_b->size;
+            return -1;
+        }
+    }
+
+    /* we can read */
+    if (peer_b->len < size)
+        size = peer_b->len;
+
+    /* now read "size" bytes */
+
+    rest = size;
+
+    assert(rest > 0);
+    do {                        /* one or two iterations */
+        size_t chunk;
+
+        assert(rest <= peer_b->len);
+        if (peer_b->offset + rest <= peer_b->size)
+            chunk = rest;
+        else
+            /* wrap around ring buffer */
+            chunk = peer_b->size - peer_b->offset;
+        assert(peer_b->offset + chunk <= peer_b->size);
+
+        memcpy(buf, peer_b->buf + peer_b->offset, chunk);
+
+        peer_b->len -= chunk;
+        if (peer_b->len) {
+            peer_b->offset += chunk;
+            assert(peer_b->offset <= peer_b->size);
+            if (peer_b->offset == peer_b->size)
+                peer_b->offset = 0;
+            buf += chunk;
+        } else {
+            /* buffer now empty, no need to advance "buf" */
+            assert(chunk == rest);
+            peer_b->offset = 0;
+        }
+        rest -= chunk;
+    }
+    while (rest);
+
+    return size;
+}
+
+/*-
+ * non-copying interface: provide pointer to available data in buffer
+ *    bio_nread0:  return number of available bytes
+ *    bio_nread:   also advance index
+ * (example usage:  bio_nread0(), read from buffer, bio_nread()
+ *  or just         bio_nread(), read from buffer)
+ */
+/*
+ * WARNING: The non-copying interface is largely untested as of yet and may
+ * contain bugs.
+ */
+static ossl_ssize_t bio_nread0(BIO *bio, char **buf)
+{
+    struct bio_bio_st *b, *peer_b;
+    ossl_ssize_t num;
+
+    BIO_clear_retry_flags(bio);
+
+    if (!bio->init)
+        return 0;
+
+    b = bio->ptr;
+    assert(b != NULL);
+    assert(b->peer != NULL);
+    peer_b = b->peer->ptr;
+    assert(peer_b != NULL);
+    assert(peer_b->buf != NULL);
+
+    peer_b->request = 0;
+
+    if (peer_b->len == 0) {
+        char dummy;
+
+        /* avoid code duplication -- nothing available for reading */
+        return bio_read(bio, &dummy, 1); /* returns 0 or -1 */
+    }
+
+    num = peer_b->len;
+    if (peer_b->size < peer_b->offset + num)
+        /* no ring buffer wrap-around for non-copying interface */
+        num = peer_b->size - peer_b->offset;
+    assert(num > 0);
+
+    if (buf != NULL)
+        *buf = peer_b->buf + peer_b->offset;
+    return num;
+}
+
+static ossl_ssize_t bio_nread(BIO *bio, char **buf, size_t num_)
+{
+    struct bio_bio_st *b, *peer_b;
+    ossl_ssize_t num, available;
+
+    if (num_ > SSIZE_MAX)
+        num = SSIZE_MAX;
+    else
+        num = (ossl_ssize_t) num_;
+
+    available = bio_nread0(bio, buf);
+    if (num > available)
+        num = available;
+    if (num <= 0)
+        return num;
+
+    b = bio->ptr;
+    peer_b = b->peer->ptr;
+
+    peer_b->len -= num;
+    if (peer_b->len) {
+        peer_b->offset += num;
+        assert(peer_b->offset <= peer_b->size);
+        if (peer_b->offset == peer_b->size)
+            peer_b->offset = 0;
+    } else
+        peer_b->offset = 0;
+
+    return num;
+}
+
+static int bio_write(BIO *bio, const char *buf, int num_)
+{
+    size_t num = num_;
+    size_t rest;
+    struct bio_bio_st *b;
+
+    BIO_clear_retry_flags(bio);
+
+    if (!bio->init || buf == NULL || num == 0)
+        return 0;
+
+    b = bio->ptr;
+    assert(b != NULL);
+    assert(b->peer != NULL);
+    assert(b->buf != NULL);
+
+    b->request = 0;
+    if (b->closed) {
+        /* we already closed */
+        BIOerr(BIO_F_BIO_WRITE, BIO_R_BROKEN_PIPE);
+        return -1;
+    }
+
+    assert(b->len <= b->size);
+
+    if (b->len == b->size) {
+        BIO_set_retry_write(bio); /* buffer is full */
+        return -1;
+    }
+
+    /* we can write */
+    if (num > b->size - b->len)
+        num = b->size - b->len;
+
+    /* now write "num" bytes */
+
+    rest = num;
+
+    assert(rest > 0);
+    do {                        /* one or two iterations */
+        size_t write_offset;
+        size_t chunk;
+
+        assert(b->len + rest <= b->size);
+
+        write_offset = b->offset + b->len;
+        if (write_offset >= b->size)
+            write_offset -= b->size;
+        /* b->buf[write_offset] is the first byte we can write to. */
+
+        if (write_offset + rest <= b->size)
+            chunk = rest;
+        else
+            /* wrap around ring buffer */
+            chunk = b->size - write_offset;
+
+        memcpy(b->buf + write_offset, buf, chunk);
+
+        b->len += chunk;
+
+        assert(b->len <= b->size);
+
+        rest -= chunk;
+        buf += chunk;
+    }
+    while (rest);
+
+    return num;
+}
+
+/*-
+ * non-copying interface: provide pointer to region to write to
+ *   bio_nwrite0:  check how much space is available
+ *   bio_nwrite:   also increase length
+ * (example usage:  bio_nwrite0(), write to buffer, bio_nwrite()
+ *  or just         bio_nwrite(), write to buffer)
+ */
+static ossl_ssize_t bio_nwrite0(BIO *bio, char **buf)
+{
+    struct bio_bio_st *b;
+    size_t num;
+    size_t write_offset;
+
+    BIO_clear_retry_flags(bio);
+
+    if (!bio->init)
+        return 0;
+
+    b = bio->ptr;
+    assert(b != NULL);
+    assert(b->peer != NULL);
+    assert(b->buf != NULL);
+
+    b->request = 0;
+    if (b->closed) {
+        BIOerr(BIO_F_BIO_NWRITE0, BIO_R_BROKEN_PIPE);
+        return -1;
+    }
+
+    assert(b->len <= b->size);
+
+    if (b->len == b->size) {
+        BIO_set_retry_write(bio);
+        return -1;
+    }
+
+    num = b->size - b->len;
+    write_offset = b->offset + b->len;
+    if (write_offset >= b->size)
+        write_offset -= b->size;
+    if (write_offset + num > b->size)
+        /*
+         * no ring buffer wrap-around for non-copying interface (to fulfil
+         * the promise by BIO_ctrl_get_write_guarantee, BIO_nwrite may have
+         * to be called twice)
+         */
+        num = b->size - write_offset;
+
+    if (buf != NULL)
+        *buf = b->buf + write_offset;
+    assert(write_offset + num <= b->size);
+
+    return num;
+}
+
+static ossl_ssize_t bio_nwrite(BIO *bio, char **buf, size_t num_)
+{
+    struct bio_bio_st *b;
+    ossl_ssize_t num, space;
+
+    if (num_ > SSIZE_MAX)
+        num = SSIZE_MAX;
+    else
+        num = (ossl_ssize_t) num_;
+
+    space = bio_nwrite0(bio, buf);
+    if (num > space)
+        num = space;
+    if (num <= 0)
+        return num;
+    b = bio->ptr;
+    assert(b != NULL);
+    b->len += num;
+    assert(b->len <= b->size);
+
+    return num;
+}
+
+static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr)
+{
+    long ret;
+    struct bio_bio_st *b = bio->ptr;
+
+    assert(b != NULL);
+
+    switch (cmd) {
+        /* specific CTRL codes */
+
+    case BIO_C_SET_WRITE_BUF_SIZE:
+        if (b->peer) {
+            BIOerr(BIO_F_BIO_CTRL, BIO_R_IN_USE);
+            ret = 0;
+        } else if (num == 0) {
+            BIOerr(BIO_F_BIO_CTRL, BIO_R_INVALID_ARGUMENT);
+            ret = 0;
+        } else {
+            size_t new_size = num;
+
+            if (b->size != new_size) {
+                if (b->buf) {
+                    OPENSSL_free(b->buf);
+                    b->buf = NULL;
+                }
+                b->size = new_size;
+            }
+            ret = 1;
+        }
+        break;
+
+    case BIO_C_GET_WRITE_BUF_SIZE:
+        ret = (long)b->size;
+        break;
+
+    case BIO_C_MAKE_BIO_PAIR:
+        {
+            BIO *other_bio = ptr;
+
+            if (bio_make_pair(bio, other_bio))
+                ret = 1;
+            else
+                ret = 0;
+        }
+        break;
+
+    case BIO_C_DESTROY_BIO_PAIR:
+        /*
+         * Affects both BIOs in the pair -- call just once! Or let
+         * BIO_free(bio1); BIO_free(bio2); do the job.
+         */
+        bio_destroy_pair(bio);
+        ret = 1;
+        break;
+
+    case BIO_C_GET_WRITE_GUARANTEE:
+        /*
+         * How many bytes can the caller feed to the next write without
+         * having to keep any?
+         */
+        if (b->peer == NULL || b->closed)
+            ret = 0;
+        else
+            ret = (long)b->size - b->len;
+        break;
+
+    case BIO_C_GET_READ_REQUEST:
+        /*
+         * If the peer unsuccessfully tried to read, how many bytes were
+         * requested? (As with BIO_CTRL_PENDING, that number can usually be
+         * treated as boolean.)
+         */
+        ret = (long)b->request;
+        break;
+
+    case BIO_C_RESET_READ_REQUEST:
+        /*
+         * Reset request.  (Can be useful after read attempts at the other
+         * side that are meant to be non-blocking, e.g. when probing SSL_read
+         * to see if any data is available.)
+         */
+        b->request = 0;
+        ret = 1;
+        break;
+
+    case BIO_C_SHUTDOWN_WR:
+        /* similar to shutdown(..., SHUT_WR) */
+        b->closed = 1;
+        ret = 1;
+        break;
+
+    case BIO_C_NREAD0:
+        /* prepare for non-copying read */
+        ret = (long)bio_nread0(bio, ptr);
+        break;
+
+    case BIO_C_NREAD:
+        /* non-copying read */
+        ret = (long)bio_nread(bio, ptr, (size_t)num);
+        break;
+
+    case BIO_C_NWRITE0:
+        /* prepare for non-copying write */
+        ret = (long)bio_nwrite0(bio, ptr);
+        break;
+
+    case BIO_C_NWRITE:
+        /* non-copying write */
+        ret = (long)bio_nwrite(bio, ptr, (size_t)num);
+        break;
+
+        /* standard CTRL codes follow */
+
+    case BIO_CTRL_RESET:
+        if (b->buf != NULL) {
+            b->len = 0;
+            b->offset = 0;
+        }
+        ret = 0;
+        break;
+
+    case BIO_CTRL_GET_CLOSE:
+        ret = bio->shutdown;
+        break;
+
+    case BIO_CTRL_SET_CLOSE:
+        bio->shutdown = (int)num;
+        ret = 1;
+        break;
+
+    case BIO_CTRL_PENDING:
+        if (b->peer != NULL) {
+            struct bio_bio_st *peer_b = b->peer->ptr;
+
+            ret = (long)peer_b->len;
+        } else
+            ret = 0;
+        break;
+
+    case BIO_CTRL_WPENDING:
+        if (b->buf != NULL)
+            ret = (long)b->len;
+        else
+            ret = 0;
+        break;
+
+    case BIO_CTRL_DUP:
+        /* See BIO_dup_chain for circumstances we have to expect. */
+        {
+            BIO *other_bio = ptr;
+            struct bio_bio_st *other_b;
+
+            assert(other_bio != NULL);
+            other_b = other_bio->ptr;
+            assert(other_b != NULL);
+
+            assert(other_b->buf == NULL); /* other_bio is always fresh */
+
+            other_b->size = b->size;
+        }
+
+        ret = 1;
+        break;
+
+    case BIO_CTRL_FLUSH:
+        ret = 1;
+        break;
+
+    case BIO_CTRL_EOF:
+        {
+            BIO *other_bio = ptr;
+
+            if (other_bio) {
+                struct bio_bio_st *other_b = other_bio->ptr;
+
+                assert(other_b != NULL);
+                ret = other_b->len == 0 && other_b->closed;
+            } else
+                ret = 1;
+        }
+        break;
+
+    default:
+        ret = 0;
+    }
+    return ret;
+}
+
+static int bio_puts(BIO *bio, const char *str)
+{
+    return bio_write(bio, str, strlen(str));
+}
+
+static int bio_make_pair(BIO *bio1, BIO *bio2)
+{
+    struct bio_bio_st *b1, *b2;
+
+    assert(bio1 != NULL);
+    assert(bio2 != NULL);
+
+    b1 = bio1->ptr;
+    b2 = bio2->ptr;
+
+    if (b1->peer != NULL || b2->peer != NULL) {
+        BIOerr(BIO_F_BIO_MAKE_PAIR, BIO_R_IN_USE);
+        return 0;
+    }
+
+    if (b1->buf == NULL) {
+        b1->buf = OPENSSL_malloc(b1->size);
+        if (b1->buf == NULL) {
+            BIOerr(BIO_F_BIO_MAKE_PAIR, ERR_R_MALLOC_FAILURE);
+            return 0;
+        }
+        b1->len = 0;
+        b1->offset = 0;
+    }
+
+    if (b2->buf == NULL) {
+        b2->buf = OPENSSL_malloc(b2->size);
+        if (b2->buf == NULL) {
+            BIOerr(BIO_F_BIO_MAKE_PAIR, ERR_R_MALLOC_FAILURE);
+            return 0;
+        }
+        b2->len = 0;
+        b2->offset = 0;
+    }
+
+    b1->peer = bio2;
+    b1->closed = 0;
+    b1->request = 0;
+    b2->peer = bio1;
+    b2->closed = 0;
+    b2->request = 0;
+
+    bio1->init = 1;
+    bio2->init = 1;
+
+    return 1;
+}
+
+static void bio_destroy_pair(BIO *bio)
+{
+    struct bio_bio_st *b = bio->ptr;
+
+    if (b != NULL) {
+        BIO *peer_bio = b->peer;
+
+        if (peer_bio != NULL) {
+            struct bio_bio_st *peer_b = peer_bio->ptr;
+
+            assert(peer_b != NULL);
+            assert(peer_b->peer == bio);
+
+            peer_b->peer = NULL;
+            peer_bio->init = 0;
+            assert(peer_b->buf != NULL);
+            peer_b->len = 0;
+            peer_b->offset = 0;
+
+            b->peer = NULL;
+            bio->init = 0;
+            assert(b->buf != NULL);
+            b->len = 0;
+            b->offset = 0;
+        }
+    }
+}
+
+/* Exported convenience functions */
+int BIO_new_bio_pair(BIO **bio1_p, size_t writebuf1,
+                     BIO **bio2_p, size_t writebuf2)
+{
+    BIO *bio1 = NULL, *bio2 = NULL;
+    long r;
+    int ret = 0;
+
+    bio1 = BIO_new(BIO_s_bio());
+    if (bio1 == NULL)
+        goto err;
+    bio2 = BIO_new(BIO_s_bio());
+    if (bio2 == NULL)
+        goto err;
+
+    if (writebuf1) {
+        r = BIO_set_write_buf_size(bio1, writebuf1);
+        if (!r)
+            goto err;
+    }
+    if (writebuf2) {
+        r = BIO_set_write_buf_size(bio2, writebuf2);
+        if (!r)
+            goto err;
+    }
+
+    r = BIO_make_bio_pair(bio1, bio2);
+    if (!r)
+        goto err;
+    ret = 1;
+
+ err:
+    if (ret == 0) {
+        if (bio1) {
+            BIO_free(bio1);
+            bio1 = NULL;
+        }
+        if (bio2) {
+            BIO_free(bio2);
+            bio2 = NULL;
+        }
+    }
+
+    *bio1_p = bio1;
+    *bio2_p = bio2;
+    return ret;
+}
+
+size_t BIO_ctrl_get_write_guarantee(BIO *bio)
+{
+    return BIO_ctrl(bio, BIO_C_GET_WRITE_GUARANTEE, 0, NULL);
+}
+
+size_t BIO_ctrl_get_read_request(BIO *bio)
+{
+    return BIO_ctrl(bio, BIO_C_GET_READ_REQUEST, 0, NULL);
+}
+
+int BIO_ctrl_reset_read_request(BIO *bio)
+{
+    return (BIO_ctrl(bio, BIO_C_RESET_READ_REQUEST, 0, NULL) != 0);
+}
+
+/*
+ * BIO_nread0/nread/nwrite0/nwrite are available only for BIO pairs for now
+ * (conceivably some other BIOs could allow non-copying reads and writes
+ * too.)
+ */
+int BIO_nread0(BIO *bio, char **buf)
+{
+    long ret;
+
+    if (!bio->init) {
+        BIOerr(BIO_F_BIO_NREAD0, BIO_R_UNINITIALIZED);
+        return -2;
+    }
+
+    ret = BIO_ctrl(bio, BIO_C_NREAD0, 0, buf);
+    if (ret > INT_MAX)
+        return INT_MAX;
+    else
+        return (int)ret;
+}
+
+int BIO_nread(BIO *bio, char **buf, int num)
+{
+    int ret;
+
+    if (!bio->init) {
+        BIOerr(BIO_F_BIO_NREAD, BIO_R_UNINITIALIZED);
+        return -2;
+    }
+
+    ret = (int)BIO_ctrl(bio, BIO_C_NREAD, num, buf);
+    if (ret > 0)
+        bio->num_read += ret;
+    return ret;
+}
+
+int BIO_nwrite0(BIO *bio, char **buf)
+{
+    long ret;
+
+    if (!bio->init) {
+        BIOerr(BIO_F_BIO_NWRITE0, BIO_R_UNINITIALIZED);
+        return -2;
+    }
+
+    ret = BIO_ctrl(bio, BIO_C_NWRITE0, 0, buf);
+    if (ret > INT_MAX)
+        return INT_MAX;
+    else
+        return (int)ret;
+}
+
+int BIO_nwrite(BIO *bio, char **buf, int num)
+{
+    int ret;
+
+    if (!bio->init) {
+        BIOerr(BIO_F_BIO_NWRITE, BIO_R_UNINITIALIZED);
+        return -2;
+    }
+
+    ret = BIO_ctrl(bio, BIO_C_NWRITE, num, buf);
+    if (ret > 0)
+        bio->num_write += ret;
+    return ret;
+}
diff --git a/thirdparty/openssl/crypto/bio/bss_conn.c b/thirdparty/openssl/crypto/bio/bss_conn.c
new file mode 100644
index 0000000000..7d15ad29dc
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_conn.c
@@ -0,0 +1,612 @@
+/* crypto/bio/bss_conn.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+#ifndef OPENSSL_NO_SOCK
+
+# ifdef OPENSSL_SYS_WIN16
+#  define SOCKET_PROTOCOL 0     /* more microsoft stupidity */
+# else
+#  define SOCKET_PROTOCOL IPPROTO_TCP
+# endif
+
+# if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#  undef FIONBIO
+# endif
+
+typedef struct bio_connect_st {
+    int state;
+    char *param_hostname;
+    char *param_port;
+    int nbio;
+    unsigned char ip[4];
+    unsigned short port;
+    struct sockaddr_in them;
+    /*
+     * int socket; this will be kept in bio->num so that it is compatible
+     * with the bss_sock bio
+     */
+    /*
+     * called when the connection is initially made callback(BIO,state,ret);
+     * The callback should return 'ret'.  state is for compatibility with the
+     * ssl info_callback
+     */
+    int (*info_callback) (const BIO *bio, int state, int ret);
+} BIO_CONNECT;
+
+static int conn_write(BIO *h, const char *buf, int num);
+static int conn_read(BIO *h, char *buf, int size);
+static int conn_puts(BIO *h, const char *str);
+static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int conn_new(BIO *h);
+static int conn_free(BIO *data);
+static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *);
+
+static int conn_state(BIO *b, BIO_CONNECT *c);
+static void conn_close_socket(BIO *data);
+BIO_CONNECT *BIO_CONNECT_new(void);
+void BIO_CONNECT_free(BIO_CONNECT *a);
+
+static BIO_METHOD methods_connectp = {
+    BIO_TYPE_CONNECT,
+    "socket connect",
+    conn_write,
+    conn_read,
+    conn_puts,
+    NULL,                       /* connect_gets, */
+    conn_ctrl,
+    conn_new,
+    conn_free,
+    conn_callback_ctrl,
+};
+
+static int conn_state(BIO *b, BIO_CONNECT *c)
+{
+    int ret = -1, i;
+    unsigned long l;
+    char *p, *q;
+    int (*cb) (const BIO *, int, int) = NULL;
+
+    if (c->info_callback != NULL)
+        cb = c->info_callback;
+
+    for (;;) {
+        switch (c->state) {
+        case BIO_CONN_S_BEFORE:
+            p = c->param_hostname;
+            if (p == NULL) {
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_HOSTNAME_SPECIFIED);
+                goto exit_loop;
+            }
+            for (; *p != '\0'; p++) {
+                if ((*p == ':') || (*p == '/'))
+                    break;
+            }
+
+            i = *p;
+            if ((i == ':') || (i == '/')) {
+
+                *(p++) = '\0';
+                if (i == ':') {
+                    for (q = p; *q; q++)
+                        if (*q == '/') {
+                            *q = '\0';
+                            break;
+                        }
+                    if (c->param_port != NULL)
+                        OPENSSL_free(c->param_port);
+                    c->param_port = BUF_strdup(p);
+                }
+            }
+
+            if (c->param_port == NULL) {
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_PORT_SPECIFIED);
+                ERR_add_error_data(2, "host=", c->param_hostname);
+                goto exit_loop;
+            }
+            c->state = BIO_CONN_S_GET_IP;
+            break;
+
+        case BIO_CONN_S_GET_IP:
+            if (BIO_get_host_ip(c->param_hostname, &(c->ip[0])) <= 0)
+                goto exit_loop;
+            c->state = BIO_CONN_S_GET_PORT;
+            break;
+
+        case BIO_CONN_S_GET_PORT:
+            if (c->param_port == NULL) {
+                /* abort(); */
+                goto exit_loop;
+            } else if (BIO_get_port(c->param_port, &c->port) <= 0)
+                goto exit_loop;
+            c->state = BIO_CONN_S_CREATE_SOCKET;
+            break;
+
+        case BIO_CONN_S_CREATE_SOCKET:
+            /* now setup address */
+            memset((char *)&c->them, 0, sizeof(c->them));
+            c->them.sin_family = AF_INET;
+            c->them.sin_port = htons((unsigned short)c->port);
+            l = (unsigned long)
+                ((unsigned long)c->ip[0] << 24L) |
+                ((unsigned long)c->ip[1] << 16L) |
+                ((unsigned long)c->ip[2] << 8L) | ((unsigned long)c->ip[3]);
+            c->them.sin_addr.s_addr = htonl(l);
+            c->state = BIO_CONN_S_CREATE_SOCKET;
+
+            ret = socket(AF_INET, SOCK_STREAM, SOCKET_PROTOCOL);
+            if (ret == INVALID_SOCKET) {
+                SYSerr(SYS_F_SOCKET, get_last_socket_error());
+                ERR_add_error_data(4, "host=", c->param_hostname,
+                                   ":", c->param_port);
+                BIOerr(BIO_F_CONN_STATE, BIO_R_UNABLE_TO_CREATE_SOCKET);
+                goto exit_loop;
+            }
+            b->num = ret;
+            c->state = BIO_CONN_S_NBIO;
+            break;
+
+        case BIO_CONN_S_NBIO:
+            if (c->nbio) {
+                if (!BIO_socket_nbio(b->num, 1)) {
+                    BIOerr(BIO_F_CONN_STATE, BIO_R_ERROR_SETTING_NBIO);
+                    ERR_add_error_data(4, "host=",
+                                       c->param_hostname, ":", c->param_port);
+                    goto exit_loop;
+                }
+            }
+            c->state = BIO_CONN_S_CONNECT;
+
+# if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
+            i = 1;
+            i = setsockopt(b->num, SOL_SOCKET, SO_KEEPALIVE, (char *)&i,
+                           sizeof(i));
+            if (i < 0) {
+                SYSerr(SYS_F_SOCKET, get_last_socket_error());
+                ERR_add_error_data(4, "host=", c->param_hostname,
+                                   ":", c->param_port);
+                BIOerr(BIO_F_CONN_STATE, BIO_R_KEEPALIVE);
+                goto exit_loop;
+            }
+# endif
+            break;
+
+        case BIO_CONN_S_CONNECT:
+            BIO_clear_retry_flags(b);
+            ret = connect(b->num,
+                          (struct sockaddr *)&c->them, sizeof(c->them));
+            b->retry_reason = 0;
+            if (ret < 0) {
+                if (BIO_sock_should_retry(ret)) {
+                    BIO_set_retry_special(b);
+                    c->state = BIO_CONN_S_BLOCKED_CONNECT;
+                    b->retry_reason = BIO_RR_CONNECT;
+                } else {
+                    SYSerr(SYS_F_CONNECT, get_last_socket_error());
+                    ERR_add_error_data(4, "host=",
+                                       c->param_hostname, ":", c->param_port);
+                    BIOerr(BIO_F_CONN_STATE, BIO_R_CONNECT_ERROR);
+                }
+                goto exit_loop;
+            } else
+                c->state = BIO_CONN_S_OK;
+            break;
+
+        case BIO_CONN_S_BLOCKED_CONNECT:
+            i = BIO_sock_error(b->num);
+            if (i) {
+                BIO_clear_retry_flags(b);
+                SYSerr(SYS_F_CONNECT, i);
+                ERR_add_error_data(4, "host=",
+                                   c->param_hostname, ":", c->param_port);
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NBIO_CONNECT_ERROR);
+                ret = 0;
+                goto exit_loop;
+            } else
+                c->state = BIO_CONN_S_OK;
+            break;
+
+        case BIO_CONN_S_OK:
+            ret = 1;
+            goto exit_loop;
+        default:
+            /* abort(); */
+            goto exit_loop;
+        }
+
+        if (cb != NULL) {
+            if (!(ret = cb((BIO *)b, c->state, ret)))
+                goto end;
+        }
+    }
+
+    /* Loop does not exit */
+ exit_loop:
+    if (cb != NULL)
+        ret = cb((BIO *)b, c->state, ret);
+ end:
+    return (ret);
+}
+
+BIO_CONNECT *BIO_CONNECT_new(void)
+{
+    BIO_CONNECT *ret;
+
+    if ((ret = (BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL)
+        return (NULL);
+    ret->state = BIO_CONN_S_BEFORE;
+    ret->param_hostname = NULL;
+    ret->param_port = NULL;
+    ret->info_callback = NULL;
+    ret->nbio = 0;
+    ret->ip[0] = 0;
+    ret->ip[1] = 0;
+    ret->ip[2] = 0;
+    ret->ip[3] = 0;
+    ret->port = 0;
+    memset((char *)&ret->them, 0, sizeof(ret->them));
+    return (ret);
+}
+
+void BIO_CONNECT_free(BIO_CONNECT *a)
+{
+    if (a == NULL)
+        return;
+
+    if (a->param_hostname != NULL)
+        OPENSSL_free(a->param_hostname);
+    if (a->param_port != NULL)
+        OPENSSL_free(a->param_port);
+    OPENSSL_free(a);
+}
+
+BIO_METHOD *BIO_s_connect(void)
+{
+    return (&methods_connectp);
+}
+
+static int conn_new(BIO *bi)
+{
+    bi->init = 0;
+    bi->num = INVALID_SOCKET;
+    bi->flags = 0;
+    if ((bi->ptr = (char *)BIO_CONNECT_new()) == NULL)
+        return (0);
+    else
+        return (1);
+}
+
+static void conn_close_socket(BIO *bio)
+{
+    BIO_CONNECT *c;
+
+    c = (BIO_CONNECT *)bio->ptr;
+    if (bio->num != INVALID_SOCKET) {
+        /* Only do a shutdown if things were established */
+        if (c->state == BIO_CONN_S_OK)
+            shutdown(bio->num, 2);
+        closesocket(bio->num);
+        bio->num = INVALID_SOCKET;
+    }
+}
+
+static int conn_free(BIO *a)
+{
+    BIO_CONNECT *data;
+
+    if (a == NULL)
+        return (0);
+    data = (BIO_CONNECT *)a->ptr;
+
+    if (a->shutdown) {
+        conn_close_socket(a);
+        BIO_CONNECT_free(data);
+        a->ptr = NULL;
+        a->flags = 0;
+        a->init = 0;
+    }
+    return (1);
+}
+
+static int conn_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+    if (data->state != BIO_CONN_S_OK) {
+        ret = conn_state(b, data);
+        if (ret <= 0)
+            return (ret);
+    }
+
+    if (out != NULL) {
+        clear_socket_error();
+        ret = readsocket(b->num, out, outl);
+        BIO_clear_retry_flags(b);
+        if (ret <= 0) {
+            if (BIO_sock_should_retry(ret))
+                BIO_set_retry_read(b);
+        }
+    }
+    return (ret);
+}
+
+static int conn_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+    if (data->state != BIO_CONN_S_OK) {
+        ret = conn_state(b, data);
+        if (ret <= 0)
+            return (ret);
+    }
+
+    clear_socket_error();
+    ret = writesocket(b->num, in, inl);
+    BIO_clear_retry_flags(b);
+    if (ret <= 0) {
+        if (BIO_sock_should_retry(ret))
+            BIO_set_retry_write(b);
+    }
+    return (ret);
+}
+
+static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    BIO *dbio;
+    int *ip;
+    const char **pptr = NULL;
+    long ret = 1;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        ret = 0;
+        data->state = BIO_CONN_S_BEFORE;
+        conn_close_socket(b);
+        b->flags = 0;
+        break;
+    case BIO_C_DO_STATE_MACHINE:
+        /* use this one to start the connection */
+        if (data->state != BIO_CONN_S_OK)
+            ret = (long)conn_state(b, data);
+        else
+            ret = 1;
+        break;
+    case BIO_C_GET_CONNECT:
+        if (ptr != NULL) {
+            pptr = (const char **)ptr;
+        }
+
+        if (b->init) {
+            if (pptr != NULL) {
+                ret = 1;
+                if (num == 0) {
+                    *pptr = data->param_hostname;
+                } else if (num == 1) {
+                    *pptr = data->param_port;
+                } else if (num == 2) {
+                    *pptr = (char *)&(data->ip[0]);
+                } else {
+                    ret = 0;
+                }
+            }
+            if (num == 3) {
+                ret = data->port;
+            }
+        } else {
+            if (pptr != NULL)
+                *pptr = "not initialized";
+            ret = 0;
+        }
+        break;
+    case BIO_C_SET_CONNECT:
+        if (ptr != NULL) {
+            b->init = 1;
+            if (num == 0) {
+                if (data->param_hostname != NULL)
+                    OPENSSL_free(data->param_hostname);
+                data->param_hostname = BUF_strdup(ptr);
+            } else if (num == 1) {
+                if (data->param_port != NULL)
+                    OPENSSL_free(data->param_port);
+                data->param_port = BUF_strdup(ptr);
+            } else if (num == 2) {
+                char buf[16];
+                unsigned char *p = ptr;
+
+                BIO_snprintf(buf, sizeof buf, "%d.%d.%d.%d",
+                             p[0], p[1], p[2], p[3]);
+                if (data->param_hostname != NULL)
+                    OPENSSL_free(data->param_hostname);
+                data->param_hostname = BUF_strdup(buf);
+                memcpy(&(data->ip[0]), ptr, 4);
+            } else if (num == 3) {
+                char buf[DECIMAL_SIZE(int) + 1];
+
+                BIO_snprintf(buf, sizeof buf, "%d", *(int *)ptr);
+                if (data->param_port != NULL)
+                    OPENSSL_free(data->param_port);
+                data->param_port = BUF_strdup(buf);
+                data->port = *(int *)ptr;
+            }
+        }
+        break;
+    case BIO_C_SET_NBIO:
+        data->nbio = (int)num;
+        break;
+    case BIO_C_GET_FD:
+        if (b->init) {
+            ip = (int *)ptr;
+            if (ip != NULL)
+                *ip = b->num;
+            ret = b->num;
+        } else
+            ret = -1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+        ret = 0;
+        break;
+    case BIO_CTRL_FLUSH:
+        break;
+    case BIO_CTRL_DUP:
+        {
+            dbio = (BIO *)ptr;
+            if (data->param_port)
+                BIO_set_conn_port(dbio, data->param_port);
+            if (data->param_hostname)
+                BIO_set_conn_hostname(dbio, data->param_hostname);
+            BIO_set_nbio(dbio, data->nbio);
+            /*
+             * FIXME: the cast of the function seems unlikely to be a good
+             * idea
+             */
+            (void)BIO_set_info_callback(dbio,
+                                        (bio_info_cb *)data->info_callback);
+        }
+        break;
+    case BIO_CTRL_SET_CALLBACK:
+        {
+# if 0                          /* FIXME: Should this be used? -- Richard
+                                 * Levitte */
+            BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+            ret = -1;
+# else
+            ret = 0;
+# endif
+        }
+        break;
+    case BIO_CTRL_GET_CALLBACK:
+        {
+            int (**fptr) (const BIO *bio, int state, int xret);
+
+            fptr = (int (**)(const BIO *bio, int state, int xret))ptr;
+            *fptr = data->info_callback;
+        }
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+{
+    long ret = 1;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_SET_CALLBACK:
+        {
+            data->info_callback =
+                (int (*)(const struct bio_st *, int, int))fp;
+        }
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int conn_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = conn_write(bp, str, n);
+    return (ret);
+}
+
+BIO *BIO_new_connect(const char *str)
+{
+    BIO *ret;
+
+    ret = BIO_new(BIO_s_connect());
+    if (ret == NULL)
+        return (NULL);
+    if (BIO_set_conn_hostname(ret, str))
+        return (ret);
+    else {
+        BIO_free(ret);
+        return (NULL);
+    }
+}
+
+#endif
diff --git a/thirdparty/openssl/crypto/bio/bss_dgram.c b/thirdparty/openssl/crypto/bio/bss_dgram.c
new file mode 100644
index 0000000000..bdd7bf88ea
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_dgram.c
@@ -0,0 +1,2081 @@
+/* crypto/bio/bio_dgram.c */
+/*
+ * DTLS implementation written by Nagendra Modadugu
+ * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+
+#include <openssl/bio.h>
+#ifndef OPENSSL_NO_DGRAM
+
+# if defined(OPENSSL_SYS_VMS)
+#  include <sys/timeb.h>
+# endif
+
+# ifndef OPENSSL_NO_SCTP
+#  include <netinet/sctp.h>
+#  include <fcntl.h>
+#  define OPENSSL_SCTP_DATA_CHUNK_TYPE            0x00
+#  define OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE 0xc0
+# endif
+
+# if defined(OPENSSL_SYS_LINUX) && !defined(IP_MTU)
+#  define IP_MTU      14        /* linux is lame */
+# endif
+
+# if OPENSSL_USE_IPV6 && !defined(IPPROTO_IPV6)
+#  define IPPROTO_IPV6 41       /* windows is lame */
+# endif
+
+# if defined(__FreeBSD__) && defined(IN6_IS_ADDR_V4MAPPED)
+/* Standard definition causes type-punning problems. */
+#  undef IN6_IS_ADDR_V4MAPPED
+#  define s6_addr32 __u6_addr.__u6_addr32
+#  define IN6_IS_ADDR_V4MAPPED(a)               \
+        (((a)->s6_addr32[0] == 0) &&          \
+         ((a)->s6_addr32[1] == 0) &&          \
+         ((a)->s6_addr32[2] == htonl(0x0000ffff)))
+# endif
+
+# ifdef WATT32
+#  define sock_write SockWrite  /* Watt-32 uses same names */
+#  define sock_read  SockRead
+#  define sock_puts  SockPuts
+# endif
+
+static int dgram_write(BIO *h, const char *buf, int num);
+static int dgram_read(BIO *h, char *buf, int size);
+static int dgram_puts(BIO *h, const char *str);
+static long dgram_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int dgram_new(BIO *h);
+static int dgram_free(BIO *data);
+static int dgram_clear(BIO *bio);
+
+# ifndef OPENSSL_NO_SCTP
+static int dgram_sctp_write(BIO *h, const char *buf, int num);
+static int dgram_sctp_read(BIO *h, char *buf, int size);
+static int dgram_sctp_puts(BIO *h, const char *str);
+static long dgram_sctp_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int dgram_sctp_new(BIO *h);
+static int dgram_sctp_free(BIO *data);
+#  ifdef SCTP_AUTHENTICATION_EVENT
+static void dgram_sctp_handle_auth_free_key_event(BIO *b, union sctp_notification
+                                                  *snp);
+#  endif
+# endif
+
+static int BIO_dgram_should_retry(int s);
+
+static void get_current_time(struct timeval *t);
+
+static BIO_METHOD methods_dgramp = {
+    BIO_TYPE_DGRAM,
+    "datagram socket",
+    dgram_write,
+    dgram_read,
+    dgram_puts,
+    NULL,                       /* dgram_gets, */
+    dgram_ctrl,
+    dgram_new,
+    dgram_free,
+    NULL,
+};
+
+# ifndef OPENSSL_NO_SCTP
+static BIO_METHOD methods_dgramp_sctp = {
+    BIO_TYPE_DGRAM_SCTP,
+    "datagram sctp socket",
+    dgram_sctp_write,
+    dgram_sctp_read,
+    dgram_sctp_puts,
+    NULL,                       /* dgram_gets, */
+    dgram_sctp_ctrl,
+    dgram_sctp_new,
+    dgram_sctp_free,
+    NULL,
+};
+# endif
+
+typedef struct bio_dgram_data_st {
+    union {
+        struct sockaddr sa;
+        struct sockaddr_in sa_in;
+# if OPENSSL_USE_IPV6
+        struct sockaddr_in6 sa_in6;
+# endif
+    } peer;
+    unsigned int connected;
+    unsigned int _errno;
+    unsigned int mtu;
+    struct timeval next_timeout;
+    struct timeval socket_timeout;
+} bio_dgram_data;
+
+# ifndef OPENSSL_NO_SCTP
+typedef struct bio_dgram_sctp_save_message_st {
+    BIO *bio;
+    char *data;
+    int length;
+} bio_dgram_sctp_save_message;
+
+typedef struct bio_dgram_sctp_data_st {
+    union {
+        struct sockaddr sa;
+        struct sockaddr_in sa_in;
+#  if OPENSSL_USE_IPV6
+        struct sockaddr_in6 sa_in6;
+#  endif
+    } peer;
+    unsigned int connected;
+    unsigned int _errno;
+    unsigned int mtu;
+    struct bio_dgram_sctp_sndinfo sndinfo;
+    struct bio_dgram_sctp_rcvinfo rcvinfo;
+    struct bio_dgram_sctp_prinfo prinfo;
+    void (*handle_notifications) (BIO *bio, void *context, void *buf);
+    void *notification_context;
+    int in_handshake;
+    int ccs_rcvd;
+    int ccs_sent;
+    int save_shutdown;
+    int peer_auth_tested;
+    bio_dgram_sctp_save_message saved_message;
+} bio_dgram_sctp_data;
+# endif
+
+BIO_METHOD *BIO_s_datagram(void)
+{
+    return (&methods_dgramp);
+}
+
+BIO *BIO_new_dgram(int fd, int close_flag)
+{
+    BIO *ret;
+
+    ret = BIO_new(BIO_s_datagram());
+    if (ret == NULL)
+        return (NULL);
+    BIO_set_fd(ret, fd, close_flag);
+    return (ret);
+}
+
+static int dgram_new(BIO *bi)
+{
+    bio_dgram_data *data = NULL;
+
+    bi->init = 0;
+    bi->num = 0;
+    data = OPENSSL_malloc(sizeof(bio_dgram_data));
+    if (data == NULL)
+        return 0;
+    memset(data, 0x00, sizeof(bio_dgram_data));
+    bi->ptr = data;
+
+    bi->flags = 0;
+    return (1);
+}
+
+static int dgram_free(BIO *a)
+{
+    bio_dgram_data *data;
+
+    if (a == NULL)
+        return (0);
+    if (!dgram_clear(a))
+        return 0;
+
+    data = (bio_dgram_data *)a->ptr;
+    if (data != NULL)
+        OPENSSL_free(data);
+
+    return (1);
+}
+
+static int dgram_clear(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->shutdown) {
+        if (a->init) {
+            SHUTDOWN2(a->num);
+        }
+        a->init = 0;
+        a->flags = 0;
+    }
+    return (1);
+}
+
+static void dgram_adjust_rcv_timeout(BIO *b)
+{
+# if defined(SO_RCVTIMEO)
+    bio_dgram_data *data = (bio_dgram_data *)b->ptr;
+    union {
+        size_t s;
+        int i;
+    } sz = {
+        0
+    };
+
+    /* Is a timer active? */
+    if (data->next_timeout.tv_sec > 0 || data->next_timeout.tv_usec > 0) {
+        struct timeval timenow, timeleft;
+
+        /* Read current socket timeout */
+#  ifdef OPENSSL_SYS_WINDOWS
+        int timeout;
+
+        sz.i = sizeof(timeout);
+        if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                       (void *)&timeout, &sz.i) < 0) {
+            perror("getsockopt");
+        } else {
+            data->socket_timeout.tv_sec = timeout / 1000;
+            data->socket_timeout.tv_usec = (timeout % 1000) * 1000;
+        }
+#  else
+        sz.i = sizeof(data->socket_timeout);
+        if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                       &(data->socket_timeout), (void *)&sz) < 0) {
+            perror("getsockopt");
+        } else if (sizeof(sz.s) != sizeof(sz.i) && sz.i == 0)
+            OPENSSL_assert(sz.s <= sizeof(data->socket_timeout));
+#  endif
+
+        /* Get current time */
+        get_current_time(&timenow);
+
+        /* Calculate time left until timer expires */
+        memcpy(&timeleft, &(data->next_timeout), sizeof(struct timeval));
+        if (timeleft.tv_usec < timenow.tv_usec) {
+            timeleft.tv_usec = 1000000 - timenow.tv_usec + timeleft.tv_usec;
+            timeleft.tv_sec--;
+        } else {
+            timeleft.tv_usec -= timenow.tv_usec;
+        }
+        if (timeleft.tv_sec < timenow.tv_sec) {
+            timeleft.tv_sec = 0;
+            timeleft.tv_usec = 1;
+        } else {
+            timeleft.tv_sec -= timenow.tv_sec;
+        }
+
+        /*
+         * Adjust socket timeout if next handhake message timer will expire
+         * earlier.
+         */
+        if ((data->socket_timeout.tv_sec == 0
+             && data->socket_timeout.tv_usec == 0)
+            || (data->socket_timeout.tv_sec > timeleft.tv_sec)
+            || (data->socket_timeout.tv_sec == timeleft.tv_sec
+                && data->socket_timeout.tv_usec >= timeleft.tv_usec)) {
+#  ifdef OPENSSL_SYS_WINDOWS
+            timeout = timeleft.tv_sec * 1000 + timeleft.tv_usec / 1000;
+            if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                           (void *)&timeout, sizeof(timeout)) < 0) {
+                perror("setsockopt");
+            }
+#  else
+            if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &timeleft,
+                           sizeof(struct timeval)) < 0) {
+                perror("setsockopt");
+            }
+#  endif
+        }
+    }
+# endif
+}
+
+static void dgram_reset_rcv_timeout(BIO *b)
+{
+# if defined(SO_RCVTIMEO)
+    bio_dgram_data *data = (bio_dgram_data *)b->ptr;
+
+    /* Is a timer active? */
+    if (data->next_timeout.tv_sec > 0 || data->next_timeout.tv_usec > 0) {
+#  ifdef OPENSSL_SYS_WINDOWS
+        int timeout = data->socket_timeout.tv_sec * 1000 +
+            data->socket_timeout.tv_usec / 1000;
+        if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                       (void *)&timeout, sizeof(timeout)) < 0) {
+            perror("setsockopt");
+        }
+#  else
+        if (setsockopt
+            (b->num, SOL_SOCKET, SO_RCVTIMEO, &(data->socket_timeout),
+             sizeof(struct timeval)) < 0) {
+            perror("setsockopt");
+        }
+#  endif
+    }
+# endif
+}
+
+static int dgram_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+    bio_dgram_data *data = (bio_dgram_data *)b->ptr;
+
+    struct {
+        /*
+         * See commentary in b_sock.c. <appro>
+         */
+        union {
+            size_t s;
+            int i;
+        } len;
+        union {
+            struct sockaddr sa;
+            struct sockaddr_in sa_in;
+# if OPENSSL_USE_IPV6
+            struct sockaddr_in6 sa_in6;
+# endif
+        } peer;
+    } sa;
+
+    sa.len.s = 0;
+    sa.len.i = sizeof(sa.peer);
+
+    if (out != NULL) {
+        clear_socket_error();
+        memset(&sa.peer, 0x00, sizeof(sa.peer));
+        dgram_adjust_rcv_timeout(b);
+        ret = recvfrom(b->num, out, outl, 0, &sa.peer.sa, (void *)&sa.len);
+        if (sizeof(sa.len.i) != sizeof(sa.len.s) && sa.len.i == 0) {
+            OPENSSL_assert(sa.len.s <= sizeof(sa.peer));
+            sa.len.i = (int)sa.len.s;
+        }
+
+        if (!data->connected && ret >= 0)
+            BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, &sa.peer);
+
+        BIO_clear_retry_flags(b);
+        if (ret < 0) {
+            if (BIO_dgram_should_retry(ret)) {
+                BIO_set_retry_read(b);
+                data->_errno = get_last_socket_error();
+            }
+        }
+
+        dgram_reset_rcv_timeout(b);
+    }
+    return (ret);
+}
+
+static int dgram_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+    bio_dgram_data *data = (bio_dgram_data *)b->ptr;
+    clear_socket_error();
+
+    if (data->connected)
+        ret = writesocket(b->num, in, inl);
+    else {
+        int peerlen = sizeof(data->peer);
+
+        if (data->peer.sa.sa_family == AF_INET)
+            peerlen = sizeof(data->peer.sa_in);
+# if OPENSSL_USE_IPV6
+        else if (data->peer.sa.sa_family == AF_INET6)
+            peerlen = sizeof(data->peer.sa_in6);
+# endif
+# if defined(NETWARE_CLIB) && defined(NETWARE_BSDSOCK)
+        ret = sendto(b->num, (char *)in, inl, 0, &data->peer.sa, peerlen);
+# else
+        ret = sendto(b->num, in, inl, 0, &data->peer.sa, peerlen);
+# endif
+    }
+
+    BIO_clear_retry_flags(b);
+    if (ret <= 0) {
+        if (BIO_dgram_should_retry(ret)) {
+            BIO_set_retry_write(b);
+            data->_errno = get_last_socket_error();
+
+# if 0                          /* higher layers are responsible for querying
+                                 * MTU, if necessary */
+            if (data->_errno == EMSGSIZE)
+                /* retrieve the new MTU */
+                BIO_ctrl(b, BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
+# endif
+        }
+    }
+    return (ret);
+}
+
+static long dgram_get_mtu_overhead(bio_dgram_data *data)
+{
+    long ret;
+
+    switch (data->peer.sa.sa_family) {
+    case AF_INET:
+        /*
+         * Assume this is UDP - 20 bytes for IP, 8 bytes for UDP
+         */
+        ret = 28;
+        break;
+# if OPENSSL_USE_IPV6
+    case AF_INET6:
+#  ifdef IN6_IS_ADDR_V4MAPPED
+        if (IN6_IS_ADDR_V4MAPPED(&data->peer.sa_in6.sin6_addr))
+            /*
+             * Assume this is UDP - 20 bytes for IP, 8 bytes for UDP
+             */
+            ret = 28;
+        else
+#  endif
+            /*
+             * Assume this is UDP - 40 bytes for IP, 8 bytes for UDP
+             */
+            ret = 48;
+        break;
+# endif
+    default:
+        /* We don't know. Go with the historical default */
+        ret = 28;
+        break;
+    }
+    return ret;
+}
+
+static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+    int *ip;
+    struct sockaddr *to = NULL;
+    bio_dgram_data *data = NULL;
+    int sockopt_val = 0;
+# if defined(OPENSSL_SYS_LINUX) && (defined(IP_MTU_DISCOVER) || defined(IP_MTU))
+    socklen_t sockopt_len;      /* assume that system supporting IP_MTU is
+                                 * modern enough to define socklen_t */
+    socklen_t addr_len;
+    union {
+        struct sockaddr sa;
+        struct sockaddr_in s4;
+#  if OPENSSL_USE_IPV6
+        struct sockaddr_in6 s6;
+#  endif
+    } addr;
+# endif
+
+    data = (bio_dgram_data *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        num = 0;
+        ret = 0;
+        break;
+    case BIO_CTRL_INFO:
+        ret = 0;
+        break;
+    case BIO_C_SET_FD:
+        dgram_clear(b);
+        b->num = *((int *)ptr);
+        b->shutdown = (int)num;
+        b->init = 1;
+        break;
+    case BIO_C_GET_FD:
+        if (b->init) {
+            ip = (int *)ptr;
+            if (ip != NULL)
+                *ip = b->num;
+            ret = b->num;
+        } else
+            ret = -1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+        ret = 0;
+        break;
+    case BIO_CTRL_DUP:
+    case BIO_CTRL_FLUSH:
+        ret = 1;
+        break;
+    case BIO_CTRL_DGRAM_CONNECT:
+        to = (struct sockaddr *)ptr;
+# if 0
+        if (connect(b->num, to, sizeof(struct sockaddr)) < 0) {
+            perror("connect");
+            ret = 0;
+        } else {
+# endif
+            switch (to->sa_family) {
+            case AF_INET:
+                memcpy(&data->peer, to, sizeof(data->peer.sa_in));
+                break;
+# if OPENSSL_USE_IPV6
+            case AF_INET6:
+                memcpy(&data->peer, to, sizeof(data->peer.sa_in6));
+                break;
+# endif
+            default:
+                memcpy(&data->peer, to, sizeof(data->peer.sa));
+                break;
+            }
+# if 0
+        }
+# endif
+        break;
+        /* (Linux)kernel sets DF bit on outgoing IP packets */
+    case BIO_CTRL_DGRAM_MTU_DISCOVER:
+# if defined(OPENSSL_SYS_LINUX) && defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO)
+        addr_len = (socklen_t) sizeof(addr);
+        memset((void *)&addr, 0, sizeof(addr));
+        if (getsockname(b->num, &addr.sa, &addr_len) < 0) {
+            ret = 0;
+            break;
+        }
+        switch (addr.sa.sa_family) {
+        case AF_INET:
+            sockopt_val = IP_PMTUDISC_DO;
+            if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
+                                  &sockopt_val, sizeof(sockopt_val))) < 0)
+                perror("setsockopt");
+            break;
+#  if OPENSSL_USE_IPV6 && defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO)
+        case AF_INET6:
+            sockopt_val = IPV6_PMTUDISC_DO;
+            if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
+                                  &sockopt_val, sizeof(sockopt_val))) < 0)
+                perror("setsockopt");
+            break;
+#  endif
+        default:
+            ret = -1;
+            break;
+        }
+        ret = -1;
+# else
+        break;
+# endif
+    case BIO_CTRL_DGRAM_QUERY_MTU:
+# if defined(OPENSSL_SYS_LINUX) && defined(IP_MTU)
+        addr_len = (socklen_t) sizeof(addr);
+        memset((void *)&addr, 0, sizeof(addr));
+        if (getsockname(b->num, &addr.sa, &addr_len) < 0) {
+            ret = 0;
+            break;
+        }
+        sockopt_len = sizeof(sockopt_val);
+        switch (addr.sa.sa_family) {
+        case AF_INET:
+            if ((ret =
+                 getsockopt(b->num, IPPROTO_IP, IP_MTU, (void *)&sockopt_val,
+                            &sockopt_len)) < 0 || sockopt_val < 0) {
+                ret = 0;
+            } else {
+                /*
+                 * we assume that the transport protocol is UDP and no IP
+                 * options are used.
+                 */
+                data->mtu = sockopt_val - 8 - 20;
+                ret = data->mtu;
+            }
+            break;
+#  if OPENSSL_USE_IPV6 && defined(IPV6_MTU)
+        case AF_INET6:
+            if ((ret =
+                 getsockopt(b->num, IPPROTO_IPV6, IPV6_MTU,
+                            (void *)&sockopt_val, &sockopt_len)) < 0
+                || sockopt_val < 0) {
+                ret = 0;
+            } else {
+                /*
+                 * we assume that the transport protocol is UDP and no IPV6
+                 * options are used.
+                 */
+                data->mtu = sockopt_val - 8 - 40;
+                ret = data->mtu;
+            }
+            break;
+#  endif
+        default:
+            ret = 0;
+            break;
+        }
+# else
+        ret = 0;
+# endif
+        break;
+    case BIO_CTRL_DGRAM_GET_FALLBACK_MTU:
+        ret = -dgram_get_mtu_overhead(data);
+        switch (data->peer.sa.sa_family) {
+        case AF_INET:
+            ret += 576;
+            break;
+# if OPENSSL_USE_IPV6
+        case AF_INET6:
+#  ifdef IN6_IS_ADDR_V4MAPPED
+            if (IN6_IS_ADDR_V4MAPPED(&data->peer.sa_in6.sin6_addr))
+                ret += 576;
+            else
+#  endif
+                ret += 1280;
+            break;
+# endif
+        default:
+            ret += 576;
+            break;
+        }
+        break;
+    case BIO_CTRL_DGRAM_GET_MTU:
+        return data->mtu;
+        break;
+    case BIO_CTRL_DGRAM_SET_MTU:
+        data->mtu = num;
+        ret = num;
+        break;
+    case BIO_CTRL_DGRAM_SET_CONNECTED:
+        to = (struct sockaddr *)ptr;
+
+        if (to != NULL) {
+            data->connected = 1;
+            switch (to->sa_family) {
+            case AF_INET:
+                memcpy(&data->peer, to, sizeof(data->peer.sa_in));
+                break;
+# if OPENSSL_USE_IPV6
+            case AF_INET6:
+                memcpy(&data->peer, to, sizeof(data->peer.sa_in6));
+                break;
+# endif
+            default:
+                memcpy(&data->peer, to, sizeof(data->peer.sa));
+                break;
+            }
+        } else {
+            data->connected = 0;
+            memset(&(data->peer), 0x00, sizeof(data->peer));
+        }
+        break;
+    case BIO_CTRL_DGRAM_GET_PEER:
+        switch (data->peer.sa.sa_family) {
+        case AF_INET:
+            ret = sizeof(data->peer.sa_in);
+            break;
+# if OPENSSL_USE_IPV6
+        case AF_INET6:
+            ret = sizeof(data->peer.sa_in6);
+            break;
+# endif
+        default:
+            ret = sizeof(data->peer.sa);
+            break;
+        }
+        if (num == 0 || num > ret)
+            num = ret;
+        memcpy(ptr, &data->peer, (ret = num));
+        break;
+    case BIO_CTRL_DGRAM_SET_PEER:
+        to = (struct sockaddr *)ptr;
+        switch (to->sa_family) {
+        case AF_INET:
+            memcpy(&data->peer, to, sizeof(data->peer.sa_in));
+            break;
+# if OPENSSL_USE_IPV6
+        case AF_INET6:
+            memcpy(&data->peer, to, sizeof(data->peer.sa_in6));
+            break;
+# endif
+        default:
+            memcpy(&data->peer, to, sizeof(data->peer.sa));
+            break;
+        }
+        break;
+    case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
+        memcpy(&(data->next_timeout), ptr, sizeof(struct timeval));
+        break;
+# if defined(SO_RCVTIMEO)
+    case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
+#  ifdef OPENSSL_SYS_WINDOWS
+        {
+            struct timeval *tv = (struct timeval *)ptr;
+            int timeout = tv->tv_sec * 1000 + tv->tv_usec / 1000;
+            if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                           (void *)&timeout, sizeof(timeout)) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+        }
+#  else
+        if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, ptr,
+                       sizeof(struct timeval)) < 0) {
+            perror("setsockopt");
+            ret = -1;
+        }
+#  endif
+        break;
+    case BIO_CTRL_DGRAM_GET_RECV_TIMEOUT:
+        {
+            union {
+                size_t s;
+                int i;
+            } sz = {
+                0
+            };
+#  ifdef OPENSSL_SYS_WINDOWS
+            int timeout;
+            struct timeval *tv = (struct timeval *)ptr;
+
+            sz.i = sizeof(timeout);
+            if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                           (void *)&timeout, &sz.i) < 0) {
+                perror("getsockopt");
+                ret = -1;
+            } else {
+                tv->tv_sec = timeout / 1000;
+                tv->tv_usec = (timeout % 1000) * 1000;
+                ret = sizeof(*tv);
+            }
+#  else
+            sz.i = sizeof(struct timeval);
+            if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
+                           ptr, (void *)&sz) < 0) {
+                perror("getsockopt");
+                ret = -1;
+            } else if (sizeof(sz.s) != sizeof(sz.i) && sz.i == 0) {
+                OPENSSL_assert(sz.s <= sizeof(struct timeval));
+                ret = (int)sz.s;
+            } else
+                ret = sz.i;
+#  endif
+        }
+        break;
+# endif
+# if defined(SO_SNDTIMEO)
+    case BIO_CTRL_DGRAM_SET_SEND_TIMEOUT:
+#  ifdef OPENSSL_SYS_WINDOWS
+        {
+            struct timeval *tv = (struct timeval *)ptr;
+            int timeout = tv->tv_sec * 1000 + tv->tv_usec / 1000;
+            if (setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
+                           (void *)&timeout, sizeof(timeout)) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+        }
+#  else
+        if (setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO, ptr,
+                       sizeof(struct timeval)) < 0) {
+            perror("setsockopt");
+            ret = -1;
+        }
+#  endif
+        break;
+    case BIO_CTRL_DGRAM_GET_SEND_TIMEOUT:
+        {
+            union {
+                size_t s;
+                int i;
+            } sz = {
+                0
+            };
+#  ifdef OPENSSL_SYS_WINDOWS
+            int timeout;
+            struct timeval *tv = (struct timeval *)ptr;
+
+            sz.i = sizeof(timeout);
+            if (getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
+                           (void *)&timeout, &sz.i) < 0) {
+                perror("getsockopt");
+                ret = -1;
+            } else {
+                tv->tv_sec = timeout / 1000;
+                tv->tv_usec = (timeout % 1000) * 1000;
+                ret = sizeof(*tv);
+            }
+#  else
+            sz.i = sizeof(struct timeval);
+            if (getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
+                           ptr, (void *)&sz) < 0) {
+                perror("getsockopt");
+                ret = -1;
+            } else if (sizeof(sz.s) != sizeof(sz.i) && sz.i == 0) {
+                OPENSSL_assert(sz.s <= sizeof(struct timeval));
+                ret = (int)sz.s;
+            } else
+                ret = sz.i;
+#  endif
+        }
+        break;
+# endif
+    case BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP:
+        /* fall-through */
+    case BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP:
+# ifdef OPENSSL_SYS_WINDOWS
+        if (data->_errno == WSAETIMEDOUT)
+# else
+        if (data->_errno == EAGAIN)
+# endif
+        {
+            ret = 1;
+            data->_errno = 0;
+        } else
+            ret = 0;
+        break;
+# ifdef EMSGSIZE
+    case BIO_CTRL_DGRAM_MTU_EXCEEDED:
+        if (data->_errno == EMSGSIZE) {
+            ret = 1;
+            data->_errno = 0;
+        } else
+            ret = 0;
+        break;
+# endif
+    case BIO_CTRL_DGRAM_SET_DONT_FRAG:
+        sockopt_val = num ? 1 : 0;
+
+        switch (data->peer.sa.sa_family) {
+        case AF_INET:
+# if defined(IP_DONTFRAG)
+            if ((ret = setsockopt(b->num, IPPROTO_IP, IP_DONTFRAG,
+                                  &sockopt_val, sizeof(sockopt_val))) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+# elif defined(OPENSSL_SYS_LINUX) && defined(IP_MTU_DISCOVER) && defined (IP_PMTUDISC_PROBE)
+            if ((sockopt_val = num ? IP_PMTUDISC_PROBE : IP_PMTUDISC_DONT),
+                (ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
+                                  &sockopt_val, sizeof(sockopt_val))) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+# elif defined(OPENSSL_SYS_WINDOWS) && defined(IP_DONTFRAGMENT)
+            if ((ret = setsockopt(b->num, IPPROTO_IP, IP_DONTFRAGMENT,
+                                  (const char *)&sockopt_val,
+                                  sizeof(sockopt_val))) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+# else
+            ret = -1;
+# endif
+            break;
+# if OPENSSL_USE_IPV6
+        case AF_INET6:
+#  if defined(IPV6_DONTFRAG)
+            if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_DONTFRAG,
+                                  (const void *)&sockopt_val,
+                                  sizeof(sockopt_val))) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+#  elif defined(OPENSSL_SYS_LINUX) && defined(IPV6_MTUDISCOVER)
+            if ((sockopt_val = num ? IP_PMTUDISC_PROBE : IP_PMTUDISC_DONT),
+                (ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
+                                  &sockopt_val, sizeof(sockopt_val))) < 0) {
+                perror("setsockopt");
+                ret = -1;
+            }
+#  else
+            ret = -1;
+#  endif
+            break;
+# endif
+        default:
+            ret = -1;
+            break;
+        }
+        break;
+    case BIO_CTRL_DGRAM_GET_MTU_OVERHEAD:
+        ret = dgram_get_mtu_overhead(data);
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int dgram_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = dgram_write(bp, str, n);
+    return (ret);
+}
+
+# ifndef OPENSSL_NO_SCTP
+BIO_METHOD *BIO_s_datagram_sctp(void)
+{
+    return (&methods_dgramp_sctp);
+}
+
+BIO *BIO_new_dgram_sctp(int fd, int close_flag)
+{
+    BIO *bio;
+    int ret, optval = 20000;
+    int auth_data = 0, auth_forward = 0;
+    unsigned char *p;
+    struct sctp_authchunk auth;
+    struct sctp_authchunks *authchunks;
+    socklen_t sockopt_len;
+#  ifdef SCTP_AUTHENTICATION_EVENT
+#   ifdef SCTP_EVENT
+    struct sctp_event event;
+#   else
+    struct sctp_event_subscribe event;
+#   endif
+#  endif
+
+    bio = BIO_new(BIO_s_datagram_sctp());
+    if (bio == NULL)
+        return (NULL);
+    BIO_set_fd(bio, fd, close_flag);
+
+    /* Activate SCTP-AUTH for DATA and FORWARD-TSN chunks */
+    auth.sauth_chunk = OPENSSL_SCTP_DATA_CHUNK_TYPE;
+    ret =
+        setsockopt(fd, IPPROTO_SCTP, SCTP_AUTH_CHUNK, &auth,
+                   sizeof(struct sctp_authchunk));
+    if (ret < 0) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+    auth.sauth_chunk = OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE;
+    ret =
+        setsockopt(fd, IPPROTO_SCTP, SCTP_AUTH_CHUNK, &auth,
+                   sizeof(struct sctp_authchunk));
+    if (ret < 0) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+
+    /*
+     * Test if activation was successful. When using accept(), SCTP-AUTH has
+     * to be activated for the listening socket already, otherwise the
+     * connected socket won't use it.
+     */
+    sockopt_len = (socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
+    authchunks = OPENSSL_malloc(sockopt_len);
+    if (!authchunks) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+    memset(authchunks, 0, sizeof(sockopt_len));
+    ret =
+        getsockopt(fd, IPPROTO_SCTP, SCTP_LOCAL_AUTH_CHUNKS, authchunks,
+                   &sockopt_len);
+
+    if (ret < 0) {
+        OPENSSL_free(authchunks);
+        BIO_vfree(bio);
+        return (NULL);
+    }
+
+    for (p = (unsigned char *)authchunks->gauth_chunks;
+         p < (unsigned char *)authchunks + sockopt_len;
+         p += sizeof(uint8_t)) {
+        if (*p == OPENSSL_SCTP_DATA_CHUNK_TYPE)
+            auth_data = 1;
+        if (*p == OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE)
+            auth_forward = 1;
+    }
+
+    OPENSSL_free(authchunks);
+
+    OPENSSL_assert(auth_data);
+    OPENSSL_assert(auth_forward);
+
+#  ifdef SCTP_AUTHENTICATION_EVENT
+#   ifdef SCTP_EVENT
+    memset(&event, 0, sizeof(struct sctp_event));
+    event.se_assoc_id = 0;
+    event.se_type = SCTP_AUTHENTICATION_EVENT;
+    event.se_on = 1;
+    ret =
+        setsockopt(fd, IPPROTO_SCTP, SCTP_EVENT, &event,
+                   sizeof(struct sctp_event));
+    if (ret < 0) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+#   else
+    sockopt_len = (socklen_t) sizeof(struct sctp_event_subscribe);
+    ret = getsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event, &sockopt_len);
+    if (ret < 0) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+
+    event.sctp_authentication_event = 1;
+
+    ret =
+        setsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event,
+                   sizeof(struct sctp_event_subscribe));
+    if (ret < 0) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+#   endif
+#  endif
+
+    /*
+     * Disable partial delivery by setting the min size larger than the max
+     * record size of 2^14 + 2048 + 13
+     */
+    ret =
+        setsockopt(fd, IPPROTO_SCTP, SCTP_PARTIAL_DELIVERY_POINT, &optval,
+                   sizeof(optval));
+    if (ret < 0) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
+
+    return (bio);
+}
+
+int BIO_dgram_is_sctp(BIO *bio)
+{
+    return (BIO_method_type(bio) == BIO_TYPE_DGRAM_SCTP);
+}
+
+static int dgram_sctp_new(BIO *bi)
+{
+    bio_dgram_sctp_data *data = NULL;
+
+    bi->init = 0;
+    bi->num = 0;
+    data = OPENSSL_malloc(sizeof(bio_dgram_sctp_data));
+    if (data == NULL)
+        return 0;
+    memset(data, 0x00, sizeof(bio_dgram_sctp_data));
+#  ifdef SCTP_PR_SCTP_NONE
+    data->prinfo.pr_policy = SCTP_PR_SCTP_NONE;
+#  endif
+    bi->ptr = data;
+
+    bi->flags = 0;
+    return (1);
+}
+
+static int dgram_sctp_free(BIO *a)
+{
+    bio_dgram_sctp_data *data;
+
+    if (a == NULL)
+        return (0);
+    if (!dgram_clear(a))
+        return 0;
+
+    data = (bio_dgram_sctp_data *) a->ptr;
+    if (data != NULL) {
+        if (data->saved_message.data != NULL)
+            OPENSSL_free(data->saved_message.data);
+        OPENSSL_free(data);
+    }
+
+    return (1);
+}
+
+#  ifdef SCTP_AUTHENTICATION_EVENT
+void dgram_sctp_handle_auth_free_key_event(BIO *b,
+                                           union sctp_notification *snp)
+{
+    int ret;
+    struct sctp_authkey_event *authkeyevent = &snp->sn_auth_event;
+
+    if (authkeyevent->auth_indication == SCTP_AUTH_FREE_KEY) {
+        struct sctp_authkeyid authkeyid;
+
+        /* delete key */
+        authkeyid.scact_keynumber = authkeyevent->auth_keynumber;
+        ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DELETE_KEY,
+                         &authkeyid, sizeof(struct sctp_authkeyid));
+    }
+}
+#  endif
+
+static int dgram_sctp_read(BIO *b, char *out, int outl)
+{
+    int ret = 0, n = 0, i, optval;
+    socklen_t optlen;
+    bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
+    union sctp_notification *snp;
+    struct msghdr msg;
+    struct iovec iov;
+    struct cmsghdr *cmsg;
+    char cmsgbuf[512];
+
+    if (out != NULL) {
+        clear_socket_error();
+
+        do {
+            memset(&data->rcvinfo, 0x00,
+                   sizeof(struct bio_dgram_sctp_rcvinfo));
+            iov.iov_base = out;
+            iov.iov_len = outl;
+            msg.msg_name = NULL;
+            msg.msg_namelen = 0;
+            msg.msg_iov = &iov;
+            msg.msg_iovlen = 1;
+            msg.msg_control = cmsgbuf;
+            msg.msg_controllen = 512;
+            msg.msg_flags = 0;
+            n = recvmsg(b->num, &msg, 0);
+
+            if (n <= 0) {
+                if (n < 0)
+                    ret = n;
+                break;
+            }
+
+            if (msg.msg_controllen > 0) {
+                for (cmsg = CMSG_FIRSTHDR(&msg); cmsg;
+                     cmsg = CMSG_NXTHDR(&msg, cmsg)) {
+                    if (cmsg->cmsg_level != IPPROTO_SCTP)
+                        continue;
+#  ifdef SCTP_RCVINFO
+                    if (cmsg->cmsg_type == SCTP_RCVINFO) {
+                        struct sctp_rcvinfo *rcvinfo;
+
+                        rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
+                        data->rcvinfo.rcv_sid = rcvinfo->rcv_sid;
+                        data->rcvinfo.rcv_ssn = rcvinfo->rcv_ssn;
+                        data->rcvinfo.rcv_flags = rcvinfo->rcv_flags;
+                        data->rcvinfo.rcv_ppid = rcvinfo->rcv_ppid;
+                        data->rcvinfo.rcv_tsn = rcvinfo->rcv_tsn;
+                        data->rcvinfo.rcv_cumtsn = rcvinfo->rcv_cumtsn;
+                        data->rcvinfo.rcv_context = rcvinfo->rcv_context;
+                    }
+#  endif
+#  ifdef SCTP_SNDRCV
+                    if (cmsg->cmsg_type == SCTP_SNDRCV) {
+                        struct sctp_sndrcvinfo *sndrcvinfo;
+
+                        sndrcvinfo =
+                            (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+                        data->rcvinfo.rcv_sid = sndrcvinfo->sinfo_stream;
+                        data->rcvinfo.rcv_ssn = sndrcvinfo->sinfo_ssn;
+                        data->rcvinfo.rcv_flags = sndrcvinfo->sinfo_flags;
+                        data->rcvinfo.rcv_ppid = sndrcvinfo->sinfo_ppid;
+                        data->rcvinfo.rcv_tsn = sndrcvinfo->sinfo_tsn;
+                        data->rcvinfo.rcv_cumtsn = sndrcvinfo->sinfo_cumtsn;
+                        data->rcvinfo.rcv_context = sndrcvinfo->sinfo_context;
+                    }
+#  endif
+                }
+            }
+
+            if (msg.msg_flags & MSG_NOTIFICATION) {
+                snp = (union sctp_notification *)out;
+                if (snp->sn_header.sn_type == SCTP_SENDER_DRY_EVENT) {
+#  ifdef SCTP_EVENT
+                    struct sctp_event event;
+#  else
+                    struct sctp_event_subscribe event;
+                    socklen_t eventsize;
+#  endif
+                    /*
+                     * If a message has been delayed until the socket is dry,
+                     * it can be sent now.
+                     */
+                    if (data->saved_message.length > 0) {
+                        dgram_sctp_write(data->saved_message.bio,
+                                         data->saved_message.data,
+                                         data->saved_message.length);
+                        OPENSSL_free(data->saved_message.data);
+                        data->saved_message.data = NULL;
+                        data->saved_message.length = 0;
+                    }
+
+                    /* disable sender dry event */
+#  ifdef SCTP_EVENT
+                    memset(&event, 0, sizeof(struct sctp_event));
+                    event.se_assoc_id = 0;
+                    event.se_type = SCTP_SENDER_DRY_EVENT;
+                    event.se_on = 0;
+                    i = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event,
+                                   sizeof(struct sctp_event));
+                    if (i < 0) {
+                        ret = i;
+                        break;
+                    }
+#  else
+                    eventsize = sizeof(struct sctp_event_subscribe);
+                    i = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
+                                   &eventsize);
+                    if (i < 0) {
+                        ret = i;
+                        break;
+                    }
+
+                    event.sctp_sender_dry_event = 0;
+
+                    i = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
+                                   sizeof(struct sctp_event_subscribe));
+                    if (i < 0) {
+                        ret = i;
+                        break;
+                    }
+#  endif
+                }
+#  ifdef SCTP_AUTHENTICATION_EVENT
+                if (snp->sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
+                    dgram_sctp_handle_auth_free_key_event(b, snp);
+#  endif
+
+                if (data->handle_notifications != NULL)
+                    data->handle_notifications(b, data->notification_context,
+                                               (void *)out);
+
+                memset(out, 0, outl);
+            } else
+                ret += n;
+        }
+        while ((msg.msg_flags & MSG_NOTIFICATION) && (msg.msg_flags & MSG_EOR)
+               && (ret < outl));
+
+        if (ret > 0 && !(msg.msg_flags & MSG_EOR)) {
+            /* Partial message read, this should never happen! */
+
+            /*
+             * The buffer was too small, this means the peer sent a message
+             * that was larger than allowed.
+             */
+            if (ret == outl)
+                return -1;
+
+            /*
+             * Test if socket buffer can handle max record size (2^14 + 2048
+             * + 13)
+             */
+            optlen = (socklen_t) sizeof(int);
+            ret = getsockopt(b->num, SOL_SOCKET, SO_RCVBUF, &optval, &optlen);
+            if (ret >= 0)
+                OPENSSL_assert(optval >= 18445);
+
+            /*
+             * Test if SCTP doesn't partially deliver below max record size
+             * (2^14 + 2048 + 13)
+             */
+            optlen = (socklen_t) sizeof(int);
+            ret =
+                getsockopt(b->num, IPPROTO_SCTP, SCTP_PARTIAL_DELIVERY_POINT,
+                           &optval, &optlen);
+            if (ret >= 0)
+                OPENSSL_assert(optval >= 18445);
+
+            /*
+             * Partially delivered notification??? Probably a bug....
+             */
+            OPENSSL_assert(!(msg.msg_flags & MSG_NOTIFICATION));
+
+            /*
+             * Everything seems ok till now, so it's most likely a message
+             * dropped by PR-SCTP.
+             */
+            memset(out, 0, outl);
+            BIO_set_retry_read(b);
+            return -1;
+        }
+
+        BIO_clear_retry_flags(b);
+        if (ret < 0) {
+            if (BIO_dgram_should_retry(ret)) {
+                BIO_set_retry_read(b);
+                data->_errno = get_last_socket_error();
+            }
+        }
+
+        /* Test if peer uses SCTP-AUTH before continuing */
+        if (!data->peer_auth_tested) {
+            int ii, auth_data = 0, auth_forward = 0;
+            unsigned char *p;
+            struct sctp_authchunks *authchunks;
+
+            optlen =
+                (socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
+            authchunks = OPENSSL_malloc(optlen);
+            if (!authchunks) {
+                BIOerr(BIO_F_DGRAM_SCTP_READ, ERR_R_MALLOC_FAILURE);
+                return -1;
+            }
+            memset(authchunks, 0, sizeof(optlen));
+            ii = getsockopt(b->num, IPPROTO_SCTP, SCTP_PEER_AUTH_CHUNKS,
+                            authchunks, &optlen);
+
+            if (ii >= 0)
+                for (p = (unsigned char *)authchunks->gauth_chunks;
+                     p < (unsigned char *)authchunks + optlen;
+                     p += sizeof(uint8_t)) {
+                    if (*p == OPENSSL_SCTP_DATA_CHUNK_TYPE)
+                        auth_data = 1;
+                    if (*p == OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE)
+                        auth_forward = 1;
+                }
+
+            OPENSSL_free(authchunks);
+
+            if (!auth_data || !auth_forward) {
+                BIOerr(BIO_F_DGRAM_SCTP_READ, BIO_R_CONNECT_ERROR);
+                return -1;
+            }
+
+            data->peer_auth_tested = 1;
+        }
+    }
+    return (ret);
+}
+
+static int dgram_sctp_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+    bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
+    struct bio_dgram_sctp_sndinfo *sinfo = &(data->sndinfo);
+    struct bio_dgram_sctp_prinfo *pinfo = &(data->prinfo);
+    struct bio_dgram_sctp_sndinfo handshake_sinfo;
+    struct iovec iov[1];
+    struct msghdr msg;
+    struct cmsghdr *cmsg;
+#  if defined(SCTP_SNDINFO) && defined(SCTP_PRINFO)
+    char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndinfo)) +
+                 CMSG_SPACE(sizeof(struct sctp_prinfo))];
+    struct sctp_sndinfo *sndinfo;
+    struct sctp_prinfo *prinfo;
+#  else
+    char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+    struct sctp_sndrcvinfo *sndrcvinfo;
+#  endif
+
+    clear_socket_error();
+
+    /*
+     * If we're send anything else than application data, disable all user
+     * parameters and flags.
+     */
+    if (in[0] != 23) {
+        memset(&handshake_sinfo, 0x00, sizeof(struct bio_dgram_sctp_sndinfo));
+#  ifdef SCTP_SACK_IMMEDIATELY
+        handshake_sinfo.snd_flags = SCTP_SACK_IMMEDIATELY;
+#  endif
+        sinfo = &handshake_sinfo;
+    }
+
+    /*
+     * If we have to send a shutdown alert message and the socket is not dry
+     * yet, we have to save it and send it as soon as the socket gets dry.
+     */
+    if (data->save_shutdown && !BIO_dgram_sctp_wait_for_dry(b)) {
+        char *tmp;
+        data->saved_message.bio = b;
+        if (!(tmp = OPENSSL_malloc(inl))) {
+            BIOerr(BIO_F_DGRAM_SCTP_WRITE, ERR_R_MALLOC_FAILURE);
+            return -1;
+        }
+        if (data->saved_message.data)
+            OPENSSL_free(data->saved_message.data);
+        data->saved_message.data = tmp;
+        memcpy(data->saved_message.data, in, inl);
+        data->saved_message.length = inl;
+        return inl;
+    }
+
+    iov[0].iov_base = (char *)in;
+    iov[0].iov_len = inl;
+    msg.msg_name = NULL;
+    msg.msg_namelen = 0;
+    msg.msg_iov = iov;
+    msg.msg_iovlen = 1;
+    msg.msg_control = (caddr_t) cmsgbuf;
+    msg.msg_controllen = 0;
+    msg.msg_flags = 0;
+#  if defined(SCTP_SNDINFO) && defined(SCTP_PRINFO)
+    cmsg = (struct cmsghdr *)cmsgbuf;
+    cmsg->cmsg_level = IPPROTO_SCTP;
+    cmsg->cmsg_type = SCTP_SNDINFO;
+    cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
+    sndinfo = (struct sctp_sndinfo *)CMSG_DATA(cmsg);
+    memset(sndinfo, 0, sizeof(struct sctp_sndinfo));
+    sndinfo->snd_sid = sinfo->snd_sid;
+    sndinfo->snd_flags = sinfo->snd_flags;
+    sndinfo->snd_ppid = sinfo->snd_ppid;
+    sndinfo->snd_context = sinfo->snd_context;
+    msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
+
+    cmsg =
+        (struct cmsghdr *)&cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndinfo))];
+    cmsg->cmsg_level = IPPROTO_SCTP;
+    cmsg->cmsg_type = SCTP_PRINFO;
+    cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
+    prinfo = (struct sctp_prinfo *)CMSG_DATA(cmsg);
+    memset(prinfo, 0, sizeof(struct sctp_prinfo));
+    prinfo->pr_policy = pinfo->pr_policy;
+    prinfo->pr_value = pinfo->pr_value;
+    msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
+#  else
+    cmsg = (struct cmsghdr *)cmsgbuf;
+    cmsg->cmsg_level = IPPROTO_SCTP;
+    cmsg->cmsg_type = SCTP_SNDRCV;
+    cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+    sndrcvinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+    memset(sndrcvinfo, 0, sizeof(struct sctp_sndrcvinfo));
+    sndrcvinfo->sinfo_stream = sinfo->snd_sid;
+    sndrcvinfo->sinfo_flags = sinfo->snd_flags;
+#   ifdef __FreeBSD__
+    sndrcvinfo->sinfo_flags |= pinfo->pr_policy;
+#   endif
+    sndrcvinfo->sinfo_ppid = sinfo->snd_ppid;
+    sndrcvinfo->sinfo_context = sinfo->snd_context;
+    sndrcvinfo->sinfo_timetolive = pinfo->pr_value;
+    msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
+#  endif
+
+    ret = sendmsg(b->num, &msg, 0);
+
+    BIO_clear_retry_flags(b);
+    if (ret <= 0) {
+        if (BIO_dgram_should_retry(ret)) {
+            BIO_set_retry_write(b);
+            data->_errno = get_last_socket_error();
+        }
+    }
+    return (ret);
+}
+
+static long dgram_sctp_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+    bio_dgram_sctp_data *data = NULL;
+    socklen_t sockopt_len = 0;
+    struct sctp_authkeyid authkeyid;
+    struct sctp_authkey *authkey = NULL;
+
+    data = (bio_dgram_sctp_data *) b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_DGRAM_QUERY_MTU:
+        /*
+         * Set to maximum (2^14) and ignore user input to enable transport
+         * protocol fragmentation. Returns always 2^14.
+         */
+        data->mtu = 16384;
+        ret = data->mtu;
+        break;
+    case BIO_CTRL_DGRAM_SET_MTU:
+        /*
+         * Set to maximum (2^14) and ignore input to enable transport
+         * protocol fragmentation. Returns always 2^14.
+         */
+        data->mtu = 16384;
+        ret = data->mtu;
+        break;
+    case BIO_CTRL_DGRAM_SET_CONNECTED:
+    case BIO_CTRL_DGRAM_CONNECT:
+        /* Returns always -1. */
+        ret = -1;
+        break;
+    case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
+        /*
+         * SCTP doesn't need the DTLS timer Returns always 1.
+         */
+        break;
+    case BIO_CTRL_DGRAM_GET_MTU_OVERHEAD:
+        /*
+         * We allow transport protocol fragmentation so this is irrelevant
+         */
+        ret = 0;
+        break;
+    case BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE:
+        if (num > 0)
+            data->in_handshake = 1;
+        else
+            data->in_handshake = 0;
+
+        ret =
+            setsockopt(b->num, IPPROTO_SCTP, SCTP_NODELAY,
+                       &data->in_handshake, sizeof(int));
+        break;
+    case BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY:
+        /*
+         * New shared key for SCTP AUTH. Returns 0 on success, -1 otherwise.
+         */
+
+        /* Get active key */
+        sockopt_len = sizeof(struct sctp_authkeyid);
+        ret =
+            getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid,
+                       &sockopt_len);
+        if (ret < 0)
+            break;
+
+        /* Add new key */
+        sockopt_len = sizeof(struct sctp_authkey) + 64 * sizeof(uint8_t);
+        authkey = OPENSSL_malloc(sockopt_len);
+        if (authkey == NULL) {
+            ret = -1;
+            break;
+        }
+        memset(authkey, 0x00, sockopt_len);
+        authkey->sca_keynumber = authkeyid.scact_keynumber + 1;
+#  ifndef __FreeBSD__
+        /*
+         * This field is missing in FreeBSD 8.2 and earlier, and FreeBSD 8.3
+         * and higher work without it.
+         */
+        authkey->sca_keylength = 64;
+#  endif
+        memcpy(&authkey->sca_key[0], ptr, 64 * sizeof(uint8_t));
+
+        ret =
+            setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_KEY, authkey,
+                       sockopt_len);
+        OPENSSL_free(authkey);
+        authkey = NULL;
+        if (ret < 0)
+            break;
+
+        /* Reset active key */
+        ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
+                         &authkeyid, sizeof(struct sctp_authkeyid));
+        if (ret < 0)
+            break;
+
+        break;
+    case BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY:
+        /* Returns 0 on success, -1 otherwise. */
+
+        /* Get active key */
+        sockopt_len = sizeof(struct sctp_authkeyid);
+        ret =
+            getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid,
+                       &sockopt_len);
+        if (ret < 0)
+            break;
+
+        /* Set active key */
+        authkeyid.scact_keynumber = authkeyid.scact_keynumber + 1;
+        ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
+                         &authkeyid, sizeof(struct sctp_authkeyid));
+        if (ret < 0)
+            break;
+
+        /*
+         * CCS has been sent, so remember that and fall through to check if
+         * we need to deactivate an old key
+         */
+        data->ccs_sent = 1;
+
+    case BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD:
+        /* Returns 0 on success, -1 otherwise. */
+
+        /*
+         * Has this command really been called or is this just a
+         * fall-through?
+         */
+        if (cmd == BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD)
+            data->ccs_rcvd = 1;
+
+        /*
+         * CSS has been both, received and sent, so deactivate an old key
+         */
+        if (data->ccs_rcvd == 1 && data->ccs_sent == 1) {
+            /* Get active key */
+            sockopt_len = sizeof(struct sctp_authkeyid);
+            ret =
+                getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
+                           &authkeyid, &sockopt_len);
+            if (ret < 0)
+                break;
+
+            /*
+             * Deactivate key or delete second last key if
+             * SCTP_AUTHENTICATION_EVENT is not available.
+             */
+            authkeyid.scact_keynumber = authkeyid.scact_keynumber - 1;
+#  ifdef SCTP_AUTH_DEACTIVATE_KEY
+            sockopt_len = sizeof(struct sctp_authkeyid);
+            ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DEACTIVATE_KEY,
+                             &authkeyid, sockopt_len);
+            if (ret < 0)
+                break;
+#  endif
+#  ifndef SCTP_AUTHENTICATION_EVENT
+            if (authkeyid.scact_keynumber > 0) {
+                authkeyid.scact_keynumber = authkeyid.scact_keynumber - 1;
+                ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DELETE_KEY,
+                                 &authkeyid, sizeof(struct sctp_authkeyid));
+                if (ret < 0)
+                    break;
+            }
+#  endif
+
+            data->ccs_rcvd = 0;
+            data->ccs_sent = 0;
+        }
+        break;
+    case BIO_CTRL_DGRAM_SCTP_GET_SNDINFO:
+        /* Returns the size of the copied struct. */
+        if (num > (long)sizeof(struct bio_dgram_sctp_sndinfo))
+            num = sizeof(struct bio_dgram_sctp_sndinfo);
+
+        memcpy(ptr, &(data->sndinfo), num);
+        ret = num;
+        break;
+    case BIO_CTRL_DGRAM_SCTP_SET_SNDINFO:
+        /* Returns the size of the copied struct. */
+        if (num > (long)sizeof(struct bio_dgram_sctp_sndinfo))
+            num = sizeof(struct bio_dgram_sctp_sndinfo);
+
+        memcpy(&(data->sndinfo), ptr, num);
+        break;
+    case BIO_CTRL_DGRAM_SCTP_GET_RCVINFO:
+        /* Returns the size of the copied struct. */
+        if (num > (long)sizeof(struct bio_dgram_sctp_rcvinfo))
+            num = sizeof(struct bio_dgram_sctp_rcvinfo);
+
+        memcpy(ptr, &data->rcvinfo, num);
+
+        ret = num;
+        break;
+    case BIO_CTRL_DGRAM_SCTP_SET_RCVINFO:
+        /* Returns the size of the copied struct. */
+        if (num > (long)sizeof(struct bio_dgram_sctp_rcvinfo))
+            num = sizeof(struct bio_dgram_sctp_rcvinfo);
+
+        memcpy(&(data->rcvinfo), ptr, num);
+        break;
+    case BIO_CTRL_DGRAM_SCTP_GET_PRINFO:
+        /* Returns the size of the copied struct. */
+        if (num > (long)sizeof(struct bio_dgram_sctp_prinfo))
+            num = sizeof(struct bio_dgram_sctp_prinfo);
+
+        memcpy(ptr, &(data->prinfo), num);
+        ret = num;
+        break;
+    case BIO_CTRL_DGRAM_SCTP_SET_PRINFO:
+        /* Returns the size of the copied struct. */
+        if (num > (long)sizeof(struct bio_dgram_sctp_prinfo))
+            num = sizeof(struct bio_dgram_sctp_prinfo);
+
+        memcpy(&(data->prinfo), ptr, num);
+        break;
+    case BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN:
+        /* Returns always 1. */
+        if (num > 0)
+            data->save_shutdown = 1;
+        else
+            data->save_shutdown = 0;
+        break;
+
+    default:
+        /*
+         * Pass to default ctrl function to process SCTP unspecific commands
+         */
+        ret = dgram_ctrl(b, cmd, num, ptr);
+        break;
+    }
+    return (ret);
+}
+
+int BIO_dgram_sctp_notification_cb(BIO *b,
+                                   void (*handle_notifications) (BIO *bio,
+                                                                 void
+                                                                 *context,
+                                                                 void *buf),
+                                   void *context)
+{
+    bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
+
+    if (handle_notifications != NULL) {
+        data->handle_notifications = handle_notifications;
+        data->notification_context = context;
+    } else
+        return -1;
+
+    return 0;
+}
+
+int BIO_dgram_sctp_wait_for_dry(BIO *b)
+{
+    int is_dry = 0;
+    int n, sockflags, ret;
+    union sctp_notification snp;
+    struct msghdr msg;
+    struct iovec iov;
+#  ifdef SCTP_EVENT
+    struct sctp_event event;
+#  else
+    struct sctp_event_subscribe event;
+    socklen_t eventsize;
+#  endif
+    bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
+
+    /* set sender dry event */
+#  ifdef SCTP_EVENT
+    memset(&event, 0, sizeof(struct sctp_event));
+    event.se_assoc_id = 0;
+    event.se_type = SCTP_SENDER_DRY_EVENT;
+    event.se_on = 1;
+    ret =
+        setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event,
+                   sizeof(struct sctp_event));
+#  else
+    eventsize = sizeof(struct sctp_event_subscribe);
+    ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, &eventsize);
+    if (ret < 0)
+        return -1;
+
+    event.sctp_sender_dry_event = 1;
+
+    ret =
+        setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
+                   sizeof(struct sctp_event_subscribe));
+#  endif
+    if (ret < 0)
+        return -1;
+
+    /* peek for notification */
+    memset(&snp, 0x00, sizeof(union sctp_notification));
+    iov.iov_base = (char *)&snp;
+    iov.iov_len = sizeof(union sctp_notification);
+    msg.msg_name = NULL;
+    msg.msg_namelen = 0;
+    msg.msg_iov = &iov;
+    msg.msg_iovlen = 1;
+    msg.msg_control = NULL;
+    msg.msg_controllen = 0;
+    msg.msg_flags = 0;
+
+    n = recvmsg(b->num, &msg, MSG_PEEK);
+    if (n <= 0) {
+        if ((n < 0) && (get_last_socket_error() != EAGAIN)
+            && (get_last_socket_error() != EWOULDBLOCK))
+            return -1;
+        else
+            return 0;
+    }
+
+    /* if we find a notification, process it and try again if necessary */
+    while (msg.msg_flags & MSG_NOTIFICATION) {
+        memset(&snp, 0x00, sizeof(union sctp_notification));
+        iov.iov_base = (char *)&snp;
+        iov.iov_len = sizeof(union sctp_notification);
+        msg.msg_name = NULL;
+        msg.msg_namelen = 0;
+        msg.msg_iov = &iov;
+        msg.msg_iovlen = 1;
+        msg.msg_control = NULL;
+        msg.msg_controllen = 0;
+        msg.msg_flags = 0;
+
+        n = recvmsg(b->num, &msg, 0);
+        if (n <= 0) {
+            if ((n < 0) && (get_last_socket_error() != EAGAIN)
+                && (get_last_socket_error() != EWOULDBLOCK))
+                return -1;
+            else
+                return is_dry;
+        }
+
+        if (snp.sn_header.sn_type == SCTP_SENDER_DRY_EVENT) {
+            is_dry = 1;
+
+            /* disable sender dry event */
+#  ifdef SCTP_EVENT
+            memset(&event, 0, sizeof(struct sctp_event));
+            event.se_assoc_id = 0;
+            event.se_type = SCTP_SENDER_DRY_EVENT;
+            event.se_on = 0;
+            ret =
+                setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event,
+                           sizeof(struct sctp_event));
+#  else
+            eventsize = (socklen_t) sizeof(struct sctp_event_subscribe);
+            ret =
+                getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
+                           &eventsize);
+            if (ret < 0)
+                return -1;
+
+            event.sctp_sender_dry_event = 0;
+
+            ret =
+                setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
+                           sizeof(struct sctp_event_subscribe));
+#  endif
+            if (ret < 0)
+                return -1;
+        }
+#  ifdef SCTP_AUTHENTICATION_EVENT
+        if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
+            dgram_sctp_handle_auth_free_key_event(b, &snp);
+#  endif
+
+        if (data->handle_notifications != NULL)
+            data->handle_notifications(b, data->notification_context,
+                                       (void *)&snp);
+
+        /* found notification, peek again */
+        memset(&snp, 0x00, sizeof(union sctp_notification));
+        iov.iov_base = (char *)&snp;
+        iov.iov_len = sizeof(union sctp_notification);
+        msg.msg_name = NULL;
+        msg.msg_namelen = 0;
+        msg.msg_iov = &iov;
+        msg.msg_iovlen = 1;
+        msg.msg_control = NULL;
+        msg.msg_controllen = 0;
+        msg.msg_flags = 0;
+
+        /* if we have seen the dry already, don't wait */
+        if (is_dry) {
+            sockflags = fcntl(b->num, F_GETFL, 0);
+            fcntl(b->num, F_SETFL, O_NONBLOCK);
+        }
+
+        n = recvmsg(b->num, &msg, MSG_PEEK);
+
+        if (is_dry) {
+            fcntl(b->num, F_SETFL, sockflags);
+        }
+
+        if (n <= 0) {
+            if ((n < 0) && (get_last_socket_error() != EAGAIN)
+                && (get_last_socket_error() != EWOULDBLOCK))
+                return -1;
+            else
+                return is_dry;
+        }
+    }
+
+    /* read anything else */
+    return is_dry;
+}
+
+int BIO_dgram_sctp_msg_waiting(BIO *b)
+{
+    int n, sockflags;
+    union sctp_notification snp;
+    struct msghdr msg;
+    struct iovec iov;
+    bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
+
+    /* Check if there are any messages waiting to be read */
+    do {
+        memset(&snp, 0x00, sizeof(union sctp_notification));
+        iov.iov_base = (char *)&snp;
+        iov.iov_len = sizeof(union sctp_notification);
+        msg.msg_name = NULL;
+        msg.msg_namelen = 0;
+        msg.msg_iov = &iov;
+        msg.msg_iovlen = 1;
+        msg.msg_control = NULL;
+        msg.msg_controllen = 0;
+        msg.msg_flags = 0;
+
+        sockflags = fcntl(b->num, F_GETFL, 0);
+        fcntl(b->num, F_SETFL, O_NONBLOCK);
+        n = recvmsg(b->num, &msg, MSG_PEEK);
+        fcntl(b->num, F_SETFL, sockflags);
+
+        /* if notification, process and try again */
+        if (n > 0 && (msg.msg_flags & MSG_NOTIFICATION)) {
+#  ifdef SCTP_AUTHENTICATION_EVENT
+            if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
+                dgram_sctp_handle_auth_free_key_event(b, &snp);
+#  endif
+
+            memset(&snp, 0x00, sizeof(union sctp_notification));
+            iov.iov_base = (char *)&snp;
+            iov.iov_len = sizeof(union sctp_notification);
+            msg.msg_name = NULL;
+            msg.msg_namelen = 0;
+            msg.msg_iov = &iov;
+            msg.msg_iovlen = 1;
+            msg.msg_control = NULL;
+            msg.msg_controllen = 0;
+            msg.msg_flags = 0;
+            n = recvmsg(b->num, &msg, 0);
+
+            if (data->handle_notifications != NULL)
+                data->handle_notifications(b, data->notification_context,
+                                           (void *)&snp);
+        }
+
+    } while (n > 0 && (msg.msg_flags & MSG_NOTIFICATION));
+
+    /* Return 1 if there is a message to be read, return 0 otherwise. */
+    if (n > 0)
+        return 1;
+    else
+        return 0;
+}
+
+static int dgram_sctp_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = dgram_sctp_write(bp, str, n);
+    return (ret);
+}
+# endif
+
+static int BIO_dgram_should_retry(int i)
+{
+    int err;
+
+    if ((i == 0) || (i == -1)) {
+        err = get_last_socket_error();
+
+# if defined(OPENSSL_SYS_WINDOWS)
+        /*
+         * If the socket return value (i) is -1 and err is unexpectedly 0 at
+         * this point, the error code was overwritten by another system call
+         * before this error handling is called.
+         */
+# endif
+
+        return (BIO_dgram_non_fatal_error(err));
+    }
+    return (0);
+}
+
+int BIO_dgram_non_fatal_error(int err)
+{
+    switch (err) {
+# if defined(OPENSSL_SYS_WINDOWS)
+#  if defined(WSAEWOULDBLOCK)
+    case WSAEWOULDBLOCK:
+#  endif
+
+#  if 0                         /* This appears to always be an error */
+#   if defined(WSAENOTCONN)
+    case WSAENOTCONN:
+#   endif
+#  endif
+# endif
+
+# ifdef EWOULDBLOCK
+#  ifdef WSAEWOULDBLOCK
+#   if WSAEWOULDBLOCK != EWOULDBLOCK
+    case EWOULDBLOCK:
+#   endif
+#  else
+    case EWOULDBLOCK:
+#  endif
+# endif
+
+# ifdef EINTR
+    case EINTR:
+# endif
+
+# ifdef EAGAIN
+#  if EWOULDBLOCK != EAGAIN
+    case EAGAIN:
+#  endif
+# endif
+
+# ifdef EPROTO
+    case EPROTO:
+# endif
+
+# ifdef EINPROGRESS
+    case EINPROGRESS:
+# endif
+
+# ifdef EALREADY
+    case EALREADY:
+# endif
+
+        return (1);
+        /* break; */
+    default:
+        break;
+    }
+    return (0);
+}
+
+static void get_current_time(struct timeval *t)
+{
+# if defined(_WIN32)
+    SYSTEMTIME st;
+    union {
+        unsigned __int64 ul;
+        FILETIME ft;
+    } now;
+
+    GetSystemTime(&st);
+    SystemTimeToFileTime(&st, &now.ft);
+#  ifdef  __MINGW32__
+    now.ul -= 116444736000000000ULL;
+#  else
+    now.ul -= 116444736000000000UI64; /* re-bias to 1/1/1970 */
+#  endif
+    t->tv_sec = (long)(now.ul / 10000000);
+    t->tv_usec = ((int)(now.ul % 10000000)) / 10;
+# elif defined(OPENSSL_SYS_VMS)
+    struct timeb tb;
+    ftime(&tb);
+    t->tv_sec = (long)tb.time;
+    t->tv_usec = (long)tb.millitm * 1000;
+# else
+    gettimeofday(t, NULL);
+# endif
+}
+
+#endif
diff --git a/thirdparty/openssl/crypto/bio/bss_fd.c b/thirdparty/openssl/crypto/bio/bss_fd.c
new file mode 100644
index 0000000000..5f4e34481b
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_fd.c
@@ -0,0 +1,330 @@
+/* crypto/bio/bss_fd.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+
+#if defined(OPENSSL_NO_POSIX_IO)
+/*
+ * Dummy placeholder for BIO_s_fd...
+ */
+BIO *BIO_new_fd(int fd, int close_flag)
+{
+    return NULL;
+}
+
+int BIO_fd_non_fatal_error(int err)
+{
+    return 0;
+}
+
+int BIO_fd_should_retry(int i)
+{
+    return 0;
+}
+
+BIO_METHOD *BIO_s_fd(void)
+{
+    return NULL;
+}
+#else
+/*
+ * As for unconditional usage of "UPLINK" interface in this module.
+ * Trouble is that unlike Unix file descriptors [which are indexes
+ * in kernel-side per-process table], corresponding descriptors on
+ * platforms which require "UPLINK" interface seem to be indexes
+ * in a user-land, non-global table. Well, in fact they are indexes
+ * in stdio _iob[], and recall that _iob[] was the very reason why
+ * "UPLINK" interface was introduced in first place. But one way on
+ * another. Neither libcrypto or libssl use this BIO meaning that
+ * file descriptors can only be provided by application. Therefore
+ * "UPLINK" calls are due...
+ */
+# include "bio_lcl.h"
+
+static int fd_write(BIO *h, const char *buf, int num);
+static int fd_read(BIO *h, char *buf, int size);
+static int fd_puts(BIO *h, const char *str);
+static int fd_gets(BIO *h, char *buf, int size);
+static long fd_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int fd_new(BIO *h);
+static int fd_free(BIO *data);
+int BIO_fd_should_retry(int s);
+
+static BIO_METHOD methods_fdp = {
+    BIO_TYPE_FD, "file descriptor",
+    fd_write,
+    fd_read,
+    fd_puts,
+    fd_gets,
+    fd_ctrl,
+    fd_new,
+    fd_free,
+    NULL,
+};
+
+BIO_METHOD *BIO_s_fd(void)
+{
+    return (&methods_fdp);
+}
+
+BIO *BIO_new_fd(int fd, int close_flag)
+{
+    BIO *ret;
+    ret = BIO_new(BIO_s_fd());
+    if (ret == NULL)
+        return (NULL);
+    BIO_set_fd(ret, fd, close_flag);
+    return (ret);
+}
+
+static int fd_new(BIO *bi)
+{
+    bi->init = 0;
+    bi->num = -1;
+    bi->ptr = NULL;
+    bi->flags = BIO_FLAGS_UPLINK; /* essentially redundant */
+    return (1);
+}
+
+static int fd_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->shutdown) {
+        if (a->init) {
+            UP_close(a->num);
+        }
+        a->init = 0;
+        a->flags = BIO_FLAGS_UPLINK;
+    }
+    return (1);
+}
+
+static int fd_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+
+    if (out != NULL) {
+        clear_sys_error();
+        ret = UP_read(b->num, out, outl);
+        BIO_clear_retry_flags(b);
+        if (ret <= 0) {
+            if (BIO_fd_should_retry(ret))
+                BIO_set_retry_read(b);
+        }
+    }
+    return (ret);
+}
+
+static int fd_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+    clear_sys_error();
+    ret = UP_write(b->num, in, inl);
+    BIO_clear_retry_flags(b);
+    if (ret <= 0) {
+        if (BIO_fd_should_retry(ret))
+            BIO_set_retry_write(b);
+    }
+    return (ret);
+}
+
+static long fd_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+    int *ip;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        num = 0;
+    case BIO_C_FILE_SEEK:
+        ret = (long)UP_lseek(b->num, num, 0);
+        break;
+    case BIO_C_FILE_TELL:
+    case BIO_CTRL_INFO:
+        ret = (long)UP_lseek(b->num, 0, 1);
+        break;
+    case BIO_C_SET_FD:
+        fd_free(b);
+        b->num = *((int *)ptr);
+        b->shutdown = (int)num;
+        b->init = 1;
+        break;
+    case BIO_C_GET_FD:
+        if (b->init) {
+            ip = (int *)ptr;
+            if (ip != NULL)
+                *ip = b->num;
+            ret = b->num;
+        } else
+            ret = -1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+        ret = 0;
+        break;
+    case BIO_CTRL_DUP:
+    case BIO_CTRL_FLUSH:
+        ret = 1;
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int fd_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = fd_write(bp, str, n);
+    return (ret);
+}
+
+static int fd_gets(BIO *bp, char *buf, int size)
+{
+    int ret = 0;
+    char *ptr = buf;
+    char *end = buf + size - 1;
+
+    while ((ptr < end) && (fd_read(bp, ptr, 1) > 0) && (ptr[0] != '\n'))
+        ptr++;
+
+    ptr[0] = '\0';
+
+    if (buf[0] != '\0')
+        ret = strlen(buf);
+    return (ret);
+}
+
+int BIO_fd_should_retry(int i)
+{
+    int err;
+
+    if ((i == 0) || (i == -1)) {
+        err = get_last_sys_error();
+
+# if defined(OPENSSL_SYS_WINDOWS) && 0/* more microsoft stupidity? perhaps
+                                       * not? Ben 4/1/99 */
+        if ((i == -1) && (err == 0))
+            return (1);
+# endif
+
+        return (BIO_fd_non_fatal_error(err));
+    }
+    return (0);
+}
+
+int BIO_fd_non_fatal_error(int err)
+{
+    switch (err) {
+
+# ifdef EWOULDBLOCK
+#  ifdef WSAEWOULDBLOCK
+#   if WSAEWOULDBLOCK != EWOULDBLOCK
+    case EWOULDBLOCK:
+#   endif
+#  else
+    case EWOULDBLOCK:
+#  endif
+# endif
+
+# if defined(ENOTCONN)
+    case ENOTCONN:
+# endif
+
+# ifdef EINTR
+    case EINTR:
+# endif
+
+# ifdef EAGAIN
+#  if EWOULDBLOCK != EAGAIN
+    case EAGAIN:
+#  endif
+# endif
+
+# ifdef EPROTO
+    case EPROTO:
+# endif
+
+# ifdef EINPROGRESS
+    case EINPROGRESS:
+# endif
+
+# ifdef EALREADY
+    case EALREADY:
+# endif
+        return (1);
+        /* break; */
+    default:
+        break;
+    }
+    return (0);
+}
+#endif
diff --git a/thirdparty/openssl/crypto/bio/bss_file.c b/thirdparty/openssl/crypto/bio/bss_file.c
new file mode 100644
index 0000000000..bfba93e62b
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_file.c
@@ -0,0 +1,472 @@
+/* crypto/bio/bss_file.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+/*-
+ * 03-Dec-1997  rdenny@dc3.com  Fix bug preventing use of stdin/stdout
+ *              with binary data (e.g. asn1parse -inform DER < xxx) under
+ *              Windows
+ */
+
+#ifndef HEADER_BSS_FILE_C
+# define HEADER_BSS_FILE_C
+
+# if defined(__linux) || defined(__sun) || defined(__hpux)
+/*
+ * Following definition aliases fopen to fopen64 on above mentioned
+ * platforms. This makes it possible to open and sequentially access files
+ * larger than 2GB from 32-bit application. It does not allow to traverse
+ * them beyond 2GB with fseek/ftell, but on the other hand *no* 32-bit
+ * platform permits that, not with fseek/ftell. Not to mention that breaking
+ * 2GB limit for seeking would require surgery to *our* API. But sequential
+ * access suffices for practical cases when you can run into large files,
+ * such as fingerprinting, so we can let API alone. For reference, the list
+ * of 32-bit platforms which allow for sequential access of large files
+ * without extra "magic" comprise *BSD, Darwin, IRIX...
+ */
+#  ifndef _FILE_OFFSET_BITS
+#   define _FILE_OFFSET_BITS 64
+#  endif
+# endif
+
+# include <stdio.h>
+# include <errno.h>
+# include "cryptlib.h"
+# include "bio_lcl.h"
+# include <openssl/err.h>
+
+# if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
+#  include <nwfileio.h>
+# endif
+
+# if !defined(OPENSSL_NO_STDIO)
+
+static int MS_CALLBACK file_write(BIO *h, const char *buf, int num);
+static int MS_CALLBACK file_read(BIO *h, char *buf, int size);
+static int MS_CALLBACK file_puts(BIO *h, const char *str);
+static int MS_CALLBACK file_gets(BIO *h, char *str, int size);
+static long MS_CALLBACK file_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int MS_CALLBACK file_new(BIO *h);
+static int MS_CALLBACK file_free(BIO *data);
+static BIO_METHOD methods_filep = {
+    BIO_TYPE_FILE,
+    "FILE pointer",
+    file_write,
+    file_read,
+    file_puts,
+    file_gets,
+    file_ctrl,
+    file_new,
+    file_free,
+    NULL,
+};
+
+static FILE *file_fopen(const char *filename, const char *mode)
+{
+    FILE *file = NULL;
+
+#  if defined(_WIN32) && defined(CP_UTF8)
+    int sz, len_0 = (int)strlen(filename) + 1;
+    DWORD flags;
+
+    /*
+     * Basically there are three cases to cover: a) filename is
+     * pure ASCII string; b) actual UTF-8 encoded string and
+     * c) locale-ized string, i.e. one containing 8-bit
+     * characters that are meaningful in current system locale.
+     * If filename is pure ASCII or real UTF-8 encoded string,
+     * MultiByteToWideChar succeeds and _wfopen works. If
+     * filename is locale-ized string, chances are that
+     * MultiByteToWideChar fails reporting
+     * ERROR_NO_UNICODE_TRANSLATION, in which case we fall
+     * back to fopen...
+     */
+    if ((sz = MultiByteToWideChar(CP_UTF8, (flags = MB_ERR_INVALID_CHARS),
+                                  filename, len_0, NULL, 0)) > 0 ||
+        (GetLastError() == ERROR_INVALID_FLAGS &&
+         (sz = MultiByteToWideChar(CP_UTF8, (flags = 0),
+                                   filename, len_0, NULL, 0)) > 0)
+        ) {
+        WCHAR wmode[8];
+        WCHAR *wfilename = _alloca(sz * sizeof(WCHAR));
+
+        if (MultiByteToWideChar(CP_UTF8, flags,
+                                filename, len_0, wfilename, sz) &&
+            MultiByteToWideChar(CP_UTF8, 0, mode, strlen(mode) + 1,
+                                wmode, sizeof(wmode) / sizeof(wmode[0])) &&
+            (file = _wfopen(wfilename, wmode)) == NULL &&
+            (errno == ENOENT || errno == EBADF)
+            ) {
+            /*
+             * UTF-8 decode succeeded, but no file, filename
+             * could still have been locale-ized...
+             */
+            file = fopen(filename, mode);
+        }
+    } else if (GetLastError() == ERROR_NO_UNICODE_TRANSLATION) {
+        file = fopen(filename, mode);
+    }
+#  else
+    file = fopen(filename, mode);
+#  endif
+    return (file);
+}
+
+BIO *BIO_new_file(const char *filename, const char *mode)
+{
+    BIO  *ret;
+    FILE *file = file_fopen(filename, mode);
+
+    if (file == NULL) {
+        SYSerr(SYS_F_FOPEN, get_last_sys_error());
+        ERR_add_error_data(5, "fopen('", filename, "','", mode, "')");
+        if (errno == ENOENT)
+            BIOerr(BIO_F_BIO_NEW_FILE, BIO_R_NO_SUCH_FILE);
+        else
+            BIOerr(BIO_F_BIO_NEW_FILE, ERR_R_SYS_LIB);
+        return (NULL);
+    }
+    if ((ret = BIO_new(BIO_s_file())) == NULL) {
+        fclose(file);
+        return (NULL);
+    }
+
+    BIO_clear_flags(ret, BIO_FLAGS_UPLINK); /* we did fopen -> we disengage
+                                             * UPLINK */
+    BIO_set_fp(ret, file, BIO_CLOSE);
+    return (ret);
+}
+
+BIO *BIO_new_fp(FILE *stream, int close_flag)
+{
+    BIO *ret;
+
+    if ((ret = BIO_new(BIO_s_file())) == NULL)
+        return (NULL);
+
+    BIO_set_flags(ret, BIO_FLAGS_UPLINK); /* redundant, left for
+                                           * documentation puposes */
+    BIO_set_fp(ret, stream, close_flag);
+    return (ret);
+}
+
+BIO_METHOD *BIO_s_file(void)
+{
+    return (&methods_filep);
+}
+
+static int MS_CALLBACK file_new(BIO *bi)
+{
+    bi->init = 0;
+    bi->num = 0;
+    bi->ptr = NULL;
+    bi->flags = BIO_FLAGS_UPLINK; /* default to UPLINK */
+    return (1);
+}
+
+static int MS_CALLBACK file_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->shutdown) {
+        if ((a->init) && (a->ptr != NULL)) {
+            if (a->flags & BIO_FLAGS_UPLINK)
+                UP_fclose(a->ptr);
+            else
+                fclose(a->ptr);
+            a->ptr = NULL;
+            a->flags = BIO_FLAGS_UPLINK;
+        }
+        a->init = 0;
+    }
+    return (1);
+}
+
+static int MS_CALLBACK file_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+
+    if (b->init && (out != NULL)) {
+        if (b->flags & BIO_FLAGS_UPLINK)
+            ret = UP_fread(out, 1, (int)outl, b->ptr);
+        else
+            ret = fread(out, 1, (int)outl, (FILE *)b->ptr);
+        if (ret == 0
+            && (b->flags & BIO_FLAGS_UPLINK) ? UP_ferror((FILE *)b->ptr) :
+            ferror((FILE *)b->ptr)) {
+            SYSerr(SYS_F_FREAD, get_last_sys_error());
+            BIOerr(BIO_F_FILE_READ, ERR_R_SYS_LIB);
+            ret = -1;
+        }
+    }
+    return (ret);
+}
+
+static int MS_CALLBACK file_write(BIO *b, const char *in, int inl)
+{
+    int ret = 0;
+
+    if (b->init && (in != NULL)) {
+        if (b->flags & BIO_FLAGS_UPLINK)
+            ret = UP_fwrite(in, (int)inl, 1, b->ptr);
+        else
+            ret = fwrite(in, (int)inl, 1, (FILE *)b->ptr);
+        if (ret)
+            ret = inl;
+        /* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
+        /*
+         * according to Tim Hudson <tjh@cryptsoft.com>, the commented out
+         * version above can cause 'inl' write calls under some stupid stdio
+         * implementations (VMS)
+         */
+    }
+    return (ret);
+}
+
+static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+    FILE *fp = (FILE *)b->ptr;
+    FILE **fpp;
+    char p[4];
+
+    switch (cmd) {
+    case BIO_C_FILE_SEEK:
+    case BIO_CTRL_RESET:
+        if (b->flags & BIO_FLAGS_UPLINK)
+            ret = (long)UP_fseek(b->ptr, num, 0);
+        else
+            ret = (long)fseek(fp, num, 0);
+        break;
+    case BIO_CTRL_EOF:
+        if (b->flags & BIO_FLAGS_UPLINK)
+            ret = (long)UP_feof(fp);
+        else
+            ret = (long)feof(fp);
+        break;
+    case BIO_C_FILE_TELL:
+    case BIO_CTRL_INFO:
+        if (b->flags & BIO_FLAGS_UPLINK)
+            ret = UP_ftell(b->ptr);
+        else
+            ret = ftell(fp);
+        break;
+    case BIO_C_SET_FILE_PTR:
+        file_free(b);
+        b->shutdown = (int)num & BIO_CLOSE;
+        b->ptr = ptr;
+        b->init = 1;
+#  if BIO_FLAGS_UPLINK!=0
+#   if defined(__MINGW32__) && defined(__MSVCRT__) && !defined(_IOB_ENTRIES)
+#    define _IOB_ENTRIES 20
+#   endif
+#   if defined(_IOB_ENTRIES)
+        /* Safety net to catch purely internal BIO_set_fp calls */
+        if ((size_t)ptr >= (size_t)stdin &&
+            (size_t)ptr < (size_t)(stdin + _IOB_ENTRIES))
+            BIO_clear_flags(b, BIO_FLAGS_UPLINK);
+#   endif
+#  endif
+#  ifdef UP_fsetmod
+        if (b->flags & BIO_FLAGS_UPLINK)
+            UP_fsetmod(b->ptr, (char)((num & BIO_FP_TEXT) ? 't' : 'b'));
+        else
+#  endif
+        {
+#  if defined(OPENSSL_SYS_WINDOWS)
+            int fd = _fileno((FILE *)ptr);
+            if (num & BIO_FP_TEXT)
+                _setmode(fd, _O_TEXT);
+            else
+                _setmode(fd, _O_BINARY);
+#  elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
+            int fd = fileno((FILE *)ptr);
+            /* Under CLib there are differences in file modes */
+            if (num & BIO_FP_TEXT)
+                setmode(fd, O_TEXT);
+            else
+                setmode(fd, O_BINARY);
+#  elif defined(OPENSSL_SYS_MSDOS)
+            int fd = fileno((FILE *)ptr);
+            /* Set correct text/binary mode */
+            if (num & BIO_FP_TEXT)
+                _setmode(fd, _O_TEXT);
+            /* Dangerous to set stdin/stdout to raw (unless redirected) */
+            else {
+                if (fd == STDIN_FILENO || fd == STDOUT_FILENO) {
+                    if (isatty(fd) <= 0)
+                        _setmode(fd, _O_BINARY);
+                } else
+                    _setmode(fd, _O_BINARY);
+            }
+#  elif defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
+            int fd = fileno((FILE *)ptr);
+            if (num & BIO_FP_TEXT)
+                setmode(fd, O_TEXT);
+            else
+                setmode(fd, O_BINARY);
+#  endif
+        }
+        break;
+    case BIO_C_SET_FILENAME:
+        file_free(b);
+        b->shutdown = (int)num & BIO_CLOSE;
+        if (num & BIO_FP_APPEND) {
+            if (num & BIO_FP_READ)
+                BUF_strlcpy(p, "a+", sizeof p);
+            else
+                BUF_strlcpy(p, "a", sizeof p);
+        } else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
+            BUF_strlcpy(p, "r+", sizeof p);
+        else if (num & BIO_FP_WRITE)
+            BUF_strlcpy(p, "w", sizeof p);
+        else if (num & BIO_FP_READ)
+            BUF_strlcpy(p, "r", sizeof p);
+        else {
+            BIOerr(BIO_F_FILE_CTRL, BIO_R_BAD_FOPEN_MODE);
+            ret = 0;
+            break;
+        }
+#  if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
+        if (!(num & BIO_FP_TEXT))
+            strcat(p, "b");
+        else
+            strcat(p, "t");
+#  endif
+#  if defined(OPENSSL_SYS_NETWARE)
+        if (!(num & BIO_FP_TEXT))
+            strcat(p, "b");
+        else
+            strcat(p, "t");
+#  endif
+        fp = file_fopen(ptr, p);
+        if (fp == NULL) {
+            SYSerr(SYS_F_FOPEN, get_last_sys_error());
+            ERR_add_error_data(5, "fopen('", ptr, "','", p, "')");
+            BIOerr(BIO_F_FILE_CTRL, ERR_R_SYS_LIB);
+            ret = 0;
+            break;
+        }
+        b->ptr = fp;
+        b->init = 1;
+        BIO_clear_flags(b, BIO_FLAGS_UPLINK); /* we did fopen -> we disengage
+                                               * UPLINK */
+        break;
+    case BIO_C_GET_FILE_PTR:
+        /* the ptr parameter is actually a FILE ** in this case. */
+        if (ptr != NULL) {
+            fpp = (FILE **)ptr;
+            *fpp = (FILE *)b->ptr;
+        }
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = (long)b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_FLUSH:
+        if (b->flags & BIO_FLAGS_UPLINK)
+            UP_fflush(b->ptr);
+        else
+            fflush((FILE *)b->ptr);
+        break;
+    case BIO_CTRL_DUP:
+        ret = 1;
+        break;
+
+    case BIO_CTRL_WPENDING:
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_PUSH:
+    case BIO_CTRL_POP:
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int MS_CALLBACK file_gets(BIO *bp, char *buf, int size)
+{
+    int ret = 0;
+
+    buf[0] = '\0';
+    if (bp->flags & BIO_FLAGS_UPLINK) {
+        if (!UP_fgets(buf, size, bp->ptr))
+            goto err;
+    } else {
+        if (!fgets(buf, size, (FILE *)bp->ptr))
+            goto err;
+    }
+    if (buf[0] != '\0')
+        ret = strlen(buf);
+ err:
+    return (ret);
+}
+
+static int MS_CALLBACK file_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = file_write(bp, str, n);
+    return (ret);
+}
+
+# endif                         /* OPENSSL_NO_STDIO */
+
+#endif                          /* HEADER_BSS_FILE_C */
diff --git a/thirdparty/openssl/crypto/bio/bss_log.c b/thirdparty/openssl/crypto/bio/bss_log.c
new file mode 100644
index 0000000000..1283a525b4
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_log.c
@@ -0,0 +1,453 @@
+/* crypto/bio/bss_log.c */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/*
+ * Why BIO_s_log?
+ *
+ * BIO_s_log is useful for system daemons (or services under NT). It is
+ * one-way BIO, it sends all stuff to syslogd (on system that commonly use
+ * that), or event log (on NT), or OPCOM (on OpenVMS).
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "cryptlib.h"
+
+#if defined(OPENSSL_SYS_WINCE)
+#elif defined(OPENSSL_SYS_WIN32)
+#elif defined(OPENSSL_SYS_VMS)
+# include <opcdef.h>
+# include <descrip.h>
+# include <lib$routines.h>
+# include <starlet.h>
+/* Some compiler options may mask the declaration of "_malloc32". */
+# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
+#  if __INITIAL_POINTER_SIZE == 64
+#   pragma pointer_size save
+#   pragma pointer_size 32
+void *_malloc32(__size_t);
+#   pragma pointer_size restore
+#  endif                        /* __INITIAL_POINTER_SIZE == 64 */
+# endif                         /* __INITIAL_POINTER_SIZE && defined
+                                 * _ANSI_C_SOURCE */
+#elif defined(__ultrix)
+# include <sys/syslog.h>
+#elif defined(OPENSSL_SYS_NETWARE)
+# define NO_SYSLOG
+#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
+# include <syslog.h>
+#endif
+
+#include <openssl/buffer.h>
+#include <openssl/err.h>
+
+#ifndef NO_SYSLOG
+
+# if defined(OPENSSL_SYS_WIN32)
+#  define LOG_EMERG       0
+#  define LOG_ALERT       1
+#  define LOG_CRIT        2
+#  define LOG_ERR         3
+#  define LOG_WARNING     4
+#  define LOG_NOTICE      5
+#  define LOG_INFO        6
+#  define LOG_DEBUG       7
+
+#  define LOG_DAEMON      (3<<3)
+# elif defined(OPENSSL_SYS_VMS)
+/* On VMS, we don't really care about these, but we need them to compile */
+#  define LOG_EMERG       0
+#  define LOG_ALERT       1
+#  define LOG_CRIT        2
+#  define LOG_ERR         3
+#  define LOG_WARNING     4
+#  define LOG_NOTICE      5
+#  define LOG_INFO        6
+#  define LOG_DEBUG       7
+
+#  define LOG_DAEMON      OPC$M_NM_NTWORK
+# endif
+
+static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
+static int MS_CALLBACK slg_puts(BIO *h, const char *str);
+static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int MS_CALLBACK slg_new(BIO *h);
+static int MS_CALLBACK slg_free(BIO *data);
+static void xopenlog(BIO *bp, char *name, int level);
+static void xsyslog(BIO *bp, int priority, const char *string);
+static void xcloselog(BIO *bp);
+
+static BIO_METHOD methods_slg = {
+    BIO_TYPE_MEM, "syslog",
+    slg_write,
+    NULL,
+    slg_puts,
+    NULL,
+    slg_ctrl,
+    slg_new,
+    slg_free,
+    NULL,
+};
+
+BIO_METHOD *BIO_s_log(void)
+{
+    return (&methods_slg);
+}
+
+static int MS_CALLBACK slg_new(BIO *bi)
+{
+    bi->init = 1;
+    bi->num = 0;
+    bi->ptr = NULL;
+    xopenlog(bi, "application", LOG_DAEMON);
+    return (1);
+}
+
+static int MS_CALLBACK slg_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    xcloselog(a);
+    return (1);
+}
+
+static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
+{
+    int ret = inl;
+    char *buf;
+    char *pp;
+    int priority, i;
+    static const struct {
+        int strl;
+        char str[10];
+        int log_level;
+    } mapping[] = {
+        {
+            6, "PANIC ", LOG_EMERG
+        },
+        {
+            6, "EMERG ", LOG_EMERG
+        },
+        {
+            4, "EMR ", LOG_EMERG
+        },
+        {
+            6, "ALERT ", LOG_ALERT
+        },
+        {
+            4, "ALR ", LOG_ALERT
+        },
+        {
+            5, "CRIT ", LOG_CRIT
+        },
+        {
+            4, "CRI ", LOG_CRIT
+        },
+        {
+            6, "ERROR ", LOG_ERR
+        },
+        {
+            4, "ERR ", LOG_ERR
+        },
+        {
+            8, "WARNING ", LOG_WARNING
+        },
+        {
+            5, "WARN ", LOG_WARNING
+        },
+        {
+            4, "WAR ", LOG_WARNING
+        },
+        {
+            7, "NOTICE ", LOG_NOTICE
+        },
+        {
+            5, "NOTE ", LOG_NOTICE
+        },
+        {
+            4, "NOT ", LOG_NOTICE
+        },
+        {
+            5, "INFO ", LOG_INFO
+        },
+        {
+            4, "INF ", LOG_INFO
+        },
+        {
+            6, "DEBUG ", LOG_DEBUG
+        },
+        {
+            4, "DBG ", LOG_DEBUG
+        },
+        {
+            0, "", LOG_ERR
+        }
+        /* The default */
+    };
+
+    if ((buf = (char *)OPENSSL_malloc(inl + 1)) == NULL) {
+        return (0);
+    }
+    strncpy(buf, in, inl);
+    buf[inl] = '\0';
+
+    i = 0;
+    while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
+        i++;
+    priority = mapping[i].log_level;
+    pp = buf + mapping[i].strl;
+
+    xsyslog(b, priority, pp);
+
+    OPENSSL_free(buf);
+    return (ret);
+}
+
+static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    switch (cmd) {
+    case BIO_CTRL_SET:
+        xcloselog(b);
+        xopenlog(b, ptr, num);
+        break;
+    default:
+        break;
+    }
+    return (0);
+}
+
+static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = slg_write(bp, str, n);
+    return (ret);
+}
+
+# if defined(OPENSSL_SYS_WIN32)
+
+static void xopenlog(BIO *bp, char *name, int level)
+{
+    if (check_winnt())
+        bp->ptr = RegisterEventSourceA(NULL, name);
+    else
+        bp->ptr = NULL;
+}
+
+static void xsyslog(BIO *bp, int priority, const char *string)
+{
+    LPCSTR lpszStrings[2];
+    WORD evtype = EVENTLOG_ERROR_TYPE;
+    char pidbuf[DECIMAL_SIZE(DWORD) + 4];
+
+    if (bp->ptr == NULL)
+        return;
+
+    switch (priority) {
+    case LOG_EMERG:
+    case LOG_ALERT:
+    case LOG_CRIT:
+    case LOG_ERR:
+        evtype = EVENTLOG_ERROR_TYPE;
+        break;
+    case LOG_WARNING:
+        evtype = EVENTLOG_WARNING_TYPE;
+        break;
+    case LOG_NOTICE:
+    case LOG_INFO:
+    case LOG_DEBUG:
+        evtype = EVENTLOG_INFORMATION_TYPE;
+        break;
+    default:
+        /*
+         * Should never happen, but set it
+         * as error anyway.
+         */
+        evtype = EVENTLOG_ERROR_TYPE;
+        break;
+    }
+
+    sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
+    lpszStrings[0] = pidbuf;
+    lpszStrings[1] = string;
+
+    ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL);
+}
+
+static void xcloselog(BIO *bp)
+{
+    if (bp->ptr)
+        DeregisterEventSource((HANDLE) (bp->ptr));
+    bp->ptr = NULL;
+}
+
+# elif defined(OPENSSL_SYS_VMS)
+
+static int VMS_OPC_target = LOG_DAEMON;
+
+static void xopenlog(BIO *bp, char *name, int level)
+{
+    VMS_OPC_target = level;
+}
+
+static void xsyslog(BIO *bp, int priority, const char *string)
+{
+    struct dsc$descriptor_s opc_dsc;
+
+/* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */
+#  if __INITIAL_POINTER_SIZE == 64
+#   pragma pointer_size save
+#   pragma pointer_size 32
+#   define OPCDEF_TYPE __char_ptr32
+#   define OPCDEF_MALLOC _malloc32
+#  else                         /* __INITIAL_POINTER_SIZE == 64 */
+#   define OPCDEF_TYPE char *
+#   define OPCDEF_MALLOC OPENSSL_malloc
+#  endif                        /* __INITIAL_POINTER_SIZE == 64 [else] */
+
+    struct opcdef *opcdef_p;
+
+#  if __INITIAL_POINTER_SIZE == 64
+#   pragma pointer_size restore
+#  endif                        /* __INITIAL_POINTER_SIZE == 64 */
+
+    char buf[10240];
+    unsigned int len;
+    struct dsc$descriptor_s buf_dsc;
+    $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
+    char *priority_tag;
+
+    switch (priority) {
+    case LOG_EMERG:
+        priority_tag = "Emergency";
+        break;
+    case LOG_ALERT:
+        priority_tag = "Alert";
+        break;
+    case LOG_CRIT:
+        priority_tag = "Critical";
+        break;
+    case LOG_ERR:
+        priority_tag = "Error";
+        break;
+    case LOG_WARNING:
+        priority_tag = "Warning";
+        break;
+    case LOG_NOTICE:
+        priority_tag = "Notice";
+        break;
+    case LOG_INFO:
+        priority_tag = "Info";
+        break;
+    case LOG_DEBUG:
+        priority_tag = "DEBUG";
+        break;
+    }
+
+    buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+    buf_dsc.dsc$b_class = DSC$K_CLASS_S;
+    buf_dsc.dsc$a_pointer = buf;
+    buf_dsc.dsc$w_length = sizeof(buf) - 1;
+
+    lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
+
+    /* We know there's an 8-byte header.  That's documented. */
+    opcdef_p = OPCDEF_MALLOC(8 + len);
+    opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
+    memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
+    opcdef_p->opc$l_ms_rqstid = 0;
+    memcpy(&opcdef_p->opc$l_ms_text, buf, len);
+
+    opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+    opc_dsc.dsc$b_class = DSC$K_CLASS_S;
+    opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
+    opc_dsc.dsc$w_length = len + 8;
+
+    sys$sndopr(opc_dsc, 0);
+
+    OPENSSL_free(opcdef_p);
+}
+
+static void xcloselog(BIO *bp)
+{
+}
+
+# else                          /* Unix/Watt32 */
+
+static void xopenlog(BIO *bp, char *name, int level)
+{
+#  ifdef WATT32                 /* djgpp/DOS */
+    openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level);
+#  else
+    openlog(name, LOG_PID | LOG_CONS, level);
+#  endif
+}
+
+static void xsyslog(BIO *bp, int priority, const char *string)
+{
+    syslog(priority, "%s", string);
+}
+
+static void xcloselog(BIO *bp)
+{
+    closelog();
+}
+
+# endif                         /* Unix */
+
+#endif                          /* NO_SYSLOG */
diff --git a/thirdparty/openssl/crypto/bio/bss_mem.c b/thirdparty/openssl/crypto/bio/bss_mem.c
new file mode 100644
index 0000000000..b0394a960d
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_mem.c
@@ -0,0 +1,313 @@
+/* crypto/bio/bss_mem.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+static int mem_write(BIO *h, const char *buf, int num);
+static int mem_read(BIO *h, char *buf, int size);
+static int mem_puts(BIO *h, const char *str);
+static int mem_gets(BIO *h, char *str, int size);
+static long mem_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int mem_new(BIO *h);
+static int mem_free(BIO *data);
+static BIO_METHOD mem_method = {
+    BIO_TYPE_MEM,
+    "memory buffer",
+    mem_write,
+    mem_read,
+    mem_puts,
+    mem_gets,
+    mem_ctrl,
+    mem_new,
+    mem_free,
+    NULL,
+};
+
+/*
+ * bio->num is used to hold the value to return on 'empty', if it is 0,
+ * should_retry is not set
+ */
+
+BIO_METHOD *BIO_s_mem(void)
+{
+    return (&mem_method);
+}
+
+
+BIO *BIO_new_mem_buf(const void *buf, int len)
+{
+    BIO *ret;
+    BUF_MEM *b;
+    size_t sz;
+
+    if (!buf) {
+        BIOerr(BIO_F_BIO_NEW_MEM_BUF, BIO_R_NULL_PARAMETER);
+        return NULL;
+    }
+    sz = (len < 0) ? strlen(buf) : (size_t)len;
+    if (!(ret = BIO_new(BIO_s_mem())))
+        return NULL;
+    b = (BUF_MEM *)ret->ptr;
+    /* Cast away const and trust in the MEM_RDONLY flag. */
+    b->data = (void *)buf;
+    b->length = sz;
+    b->max = sz;
+    ret->flags |= BIO_FLAGS_MEM_RDONLY;
+    /* Since this is static data retrying wont help */
+    ret->num = 0;
+    return ret;
+}
+
+static int mem_new(BIO *bi)
+{
+    BUF_MEM *b;
+
+    if ((b = BUF_MEM_new()) == NULL)
+        return (0);
+    bi->shutdown = 1;
+    bi->init = 1;
+    bi->num = -1;
+    bi->ptr = (char *)b;
+    return (1);
+}
+
+static int mem_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->shutdown) {
+        if ((a->init) && (a->ptr != NULL)) {
+            BUF_MEM *b;
+            b = (BUF_MEM *)a->ptr;
+            if (a->flags & BIO_FLAGS_MEM_RDONLY)
+                b->data = NULL;
+            BUF_MEM_free(b);
+            a->ptr = NULL;
+        }
+    }
+    return (1);
+}
+
+static int mem_read(BIO *b, char *out, int outl)
+{
+    int ret = -1;
+    BUF_MEM *bm;
+
+    bm = (BUF_MEM *)b->ptr;
+    BIO_clear_retry_flags(b);
+    ret = (outl >= 0 && (size_t)outl > bm->length) ? (int)bm->length : outl;
+    if ((out != NULL) && (ret > 0)) {
+        memcpy(out, bm->data, ret);
+        bm->length -= ret;
+        if (b->flags & BIO_FLAGS_MEM_RDONLY)
+            bm->data += ret;
+        else {
+            memmove(&(bm->data[0]), &(bm->data[ret]), bm->length);
+        }
+    } else if (bm->length == 0) {
+        ret = b->num;
+        if (ret != 0)
+            BIO_set_retry_read(b);
+    }
+    return (ret);
+}
+
+static int mem_write(BIO *b, const char *in, int inl)
+{
+    int ret = -1;
+    int blen;
+    BUF_MEM *bm;
+
+    bm = (BUF_MEM *)b->ptr;
+    if (in == NULL) {
+        BIOerr(BIO_F_MEM_WRITE, BIO_R_NULL_PARAMETER);
+        goto end;
+    }
+
+    if (b->flags & BIO_FLAGS_MEM_RDONLY) {
+        BIOerr(BIO_F_MEM_WRITE, BIO_R_WRITE_TO_READ_ONLY_BIO);
+        goto end;
+    }
+
+    BIO_clear_retry_flags(b);
+    blen = bm->length;
+    if (BUF_MEM_grow_clean(bm, blen + inl) != (blen + inl))
+        goto end;
+    memcpy(&(bm->data[blen]), in, inl);
+    ret = inl;
+ end:
+    return (ret);
+}
+
+static long mem_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+    char **pptr;
+
+    BUF_MEM *bm = (BUF_MEM *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        if (bm->data != NULL) {
+            /* For read only case reset to the start again */
+            if (b->flags & BIO_FLAGS_MEM_RDONLY) {
+                bm->data -= bm->max - bm->length;
+                bm->length = bm->max;
+            } else {
+                memset(bm->data, 0, bm->max);
+                bm->length = 0;
+            }
+        }
+        break;
+    case BIO_CTRL_EOF:
+        ret = (long)(bm->length == 0);
+        break;
+    case BIO_C_SET_BUF_MEM_EOF_RETURN:
+        b->num = (int)num;
+        break;
+    case BIO_CTRL_INFO:
+        ret = (long)bm->length;
+        if (ptr != NULL) {
+            pptr = (char **)ptr;
+            *pptr = (char *)&(bm->data[0]);
+        }
+        break;
+    case BIO_C_SET_BUF_MEM:
+        mem_free(b);
+        b->shutdown = (int)num;
+        b->ptr = ptr;
+        break;
+    case BIO_C_GET_BUF_MEM_PTR:
+        if (ptr != NULL) {
+            pptr = (char **)ptr;
+            *pptr = (char *)bm;
+        }
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = (long)b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+
+    case BIO_CTRL_WPENDING:
+        ret = 0L;
+        break;
+    case BIO_CTRL_PENDING:
+        ret = (long)bm->length;
+        break;
+    case BIO_CTRL_DUP:
+    case BIO_CTRL_FLUSH:
+        ret = 1;
+        break;
+    case BIO_CTRL_PUSH:
+    case BIO_CTRL_POP:
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int mem_gets(BIO *bp, char *buf, int size)
+{
+    int i, j;
+    int ret = -1;
+    char *p;
+    BUF_MEM *bm = (BUF_MEM *)bp->ptr;
+
+    BIO_clear_retry_flags(bp);
+    j = bm->length;
+    if ((size - 1) < j)
+        j = size - 1;
+    if (j <= 0) {
+        *buf = '\0';
+        return 0;
+    }
+    p = bm->data;
+    for (i = 0; i < j; i++) {
+        if (p[i] == '\n') {
+            i++;
+            break;
+        }
+    }
+
+    /*
+     * i is now the max num of bytes to copy, either j or up to
+     * and including the first newline
+     */
+
+    i = mem_read(bp, buf, i);
+    if (i > 0)
+        buf[i] = '\0';
+    ret = i;
+    return (ret);
+}
+
+static int mem_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = mem_write(bp, str, n);
+    /* memory semantics is that it will always work */
+    return (ret);
+}
diff --git a/thirdparty/openssl/crypto/bio/bss_null.c b/thirdparty/openssl/crypto/bio/bss_null.c
new file mode 100644
index 0000000000..6a03fa2465
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_null.c
@@ -0,0 +1,149 @@
+/* crypto/bio/bss_null.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+static int null_write(BIO *h, const char *buf, int num);
+static int null_read(BIO *h, char *buf, int size);
+static int null_puts(BIO *h, const char *str);
+static int null_gets(BIO *h, char *str, int size);
+static long null_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int null_new(BIO *h);
+static int null_free(BIO *data);
+static BIO_METHOD null_method = {
+    BIO_TYPE_NULL,
+    "NULL",
+    null_write,
+    null_read,
+    null_puts,
+    null_gets,
+    null_ctrl,
+    null_new,
+    null_free,
+    NULL,
+};
+
+BIO_METHOD *BIO_s_null(void)
+{
+    return (&null_method);
+}
+
+static int null_new(BIO *bi)
+{
+    bi->init = 1;
+    bi->num = 0;
+    bi->ptr = (NULL);
+    return (1);
+}
+
+static int null_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    return (1);
+}
+
+static int null_read(BIO *b, char *out, int outl)
+{
+    return (0);
+}
+
+static int null_write(BIO *b, const char *in, int inl)
+{
+    return (inl);
+}
+
+static long null_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+    case BIO_CTRL_EOF:
+    case BIO_CTRL_SET:
+    case BIO_CTRL_SET_CLOSE:
+    case BIO_CTRL_FLUSH:
+    case BIO_CTRL_DUP:
+        ret = 1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+    case BIO_CTRL_INFO:
+    case BIO_CTRL_GET:
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int null_gets(BIO *bp, char *buf, int size)
+{
+    return (0);
+}
+
+static int null_puts(BIO *bp, const char *str)
+{
+    if (str == NULL)
+        return (0);
+    return (strlen(str));
+}
diff --git a/thirdparty/openssl/crypto/bio/bss_rtcp.c b/thirdparty/openssl/crypto/bio/bss_rtcp.c
new file mode 100644
index 0000000000..09f14f48dc
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_rtcp.c
@@ -0,0 +1,319 @@
+/* crypto/bio/bss_rtcp.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+/*-
+ * Written by David L. Jones <jonesd@kcgl1.eng.ohio-state.edu>
+ * Date:   22-JUL-1996
+ * Revised: 25-SEP-1997         Update for 0.8.1, BIO_CTRL_SET -> BIO_C_SET_FD
+ */
+/* VMS */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+#include <iodef.h>              /* VMS IO$_ definitions */
+#include <starlet.h>
+
+typedef unsigned short io_channel;
+/*************************************************************************/
+struct io_status {
+    short status, count;
+    long flags;
+};
+
+/* Should have member alignment inhibited */
+struct rpc_msg {
+    /* 'A'-app data. 'R'-remote client 'G'-global */
+    char channel;
+    /* 'G'-get, 'P'-put, 'C'-confirm, 'X'-close */
+    char function;
+    /* Amount of data returned or max to return */
+    unsigned short int length;
+    /* variable data */
+    char data[4092];
+};
+#define RPC_HDR_SIZE (sizeof(struct rpc_msg) - 4092)
+
+struct rpc_ctx {
+    int filled, pos;
+    struct rpc_msg msg;
+};
+
+static int rtcp_write(BIO *h, const char *buf, int num);
+static int rtcp_read(BIO *h, char *buf, int size);
+static int rtcp_puts(BIO *h, const char *str);
+static int rtcp_gets(BIO *h, char *str, int size);
+static long rtcp_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int rtcp_new(BIO *h);
+static int rtcp_free(BIO *data);
+
+static BIO_METHOD rtcp_method = {
+    BIO_TYPE_FD,
+    "RTCP",
+    rtcp_write,
+    rtcp_read,
+    rtcp_puts,
+    rtcp_gets,
+    rtcp_ctrl,
+    rtcp_new,
+    rtcp_free,
+    NULL,
+};
+
+BIO_METHOD *BIO_s_rtcp(void)
+{
+    return (&rtcp_method);
+}
+
+/*****************************************************************************/
+/*
+ * Decnet I/O routines.
+ */
+
+#ifdef __DECC
+# pragma message save
+# pragma message disable DOLLARID
+#endif
+
+static int get(io_channel chan, char *buffer, int maxlen, int *length)
+{
+    int status;
+    struct io_status iosb;
+    status = sys$qiow(0, chan, IO$_READVBLK, &iosb, 0, 0,
+                      buffer, maxlen, 0, 0, 0, 0);
+    if ((status & 1) == 1)
+        status = iosb.status;
+    if ((status & 1) == 1)
+        *length = iosb.count;
+    return status;
+}
+
+static int put(io_channel chan, char *buffer, int length)
+{
+    int status;
+    struct io_status iosb;
+    status = sys$qiow(0, chan, IO$_WRITEVBLK, &iosb, 0, 0,
+                      buffer, length, 0, 0, 0, 0);
+    if ((status & 1) == 1)
+        status = iosb.status;
+    return status;
+}
+
+#ifdef __DECC
+# pragma message restore
+#endif
+
+/***************************************************************************/
+
+static int rtcp_new(BIO *bi)
+{
+    struct rpc_ctx *ctx;
+    bi->init = 1;
+    bi->num = 0;
+    bi->flags = 0;
+    bi->ptr = OPENSSL_malloc(sizeof(struct rpc_ctx));
+    ctx = (struct rpc_ctx *)bi->ptr;
+    ctx->filled = 0;
+    ctx->pos = 0;
+    return (1);
+}
+
+static int rtcp_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->ptr)
+        OPENSSL_free(a->ptr);
+    a->ptr = NULL;
+    return (1);
+}
+
+static int rtcp_read(BIO *b, char *out, int outl)
+{
+    int status, length;
+    struct rpc_ctx *ctx;
+    /*
+     * read data, return existing.
+     */
+    ctx = (struct rpc_ctx *)b->ptr;
+    if (ctx->pos < ctx->filled) {
+        length = ctx->filled - ctx->pos;
+        if (length > outl)
+            length = outl;
+        memmove(out, &ctx->msg.data[ctx->pos], length);
+        ctx->pos += length;
+        return length;
+    }
+    /*
+     * Requst more data from R channel.
+     */
+    ctx->msg.channel = 'R';
+    ctx->msg.function = 'G';
+    ctx->msg.length = sizeof(ctx->msg.data);
+    status = put(b->num, (char *)&ctx->msg, RPC_HDR_SIZE);
+    if ((status & 1) == 0) {
+        return -1;
+    }
+    /*
+     * Read.
+     */
+    ctx->pos = ctx->filled = 0;
+    status = get(b->num, (char *)&ctx->msg, sizeof(ctx->msg), &length);
+    if ((status & 1) == 0)
+        length = -1;
+    if (ctx->msg.channel != 'R' || ctx->msg.function != 'C') {
+        length = -1;
+    }
+    ctx->filled = length - RPC_HDR_SIZE;
+
+    if (ctx->pos < ctx->filled) {
+        length = ctx->filled - ctx->pos;
+        if (length > outl)
+            length = outl;
+        memmove(out, ctx->msg.data, length);
+        ctx->pos += length;
+        return length;
+    }
+
+    return length;
+}
+
+static int rtcp_write(BIO *b, const char *in, int inl)
+{
+    int status, i, segment, length;
+    struct rpc_ctx *ctx;
+    /*
+     * Output data, send in chunks no larger that sizeof(ctx->msg.data).
+     */
+    ctx = (struct rpc_ctx *)b->ptr;
+    for (i = 0; i < inl; i += segment) {
+        segment = inl - i;
+        if (segment > sizeof(ctx->msg.data))
+            segment = sizeof(ctx->msg.data);
+        ctx->msg.channel = 'R';
+        ctx->msg.function = 'P';
+        ctx->msg.length = segment;
+        memmove(ctx->msg.data, &in[i], segment);
+        status = put(b->num, (char *)&ctx->msg, segment + RPC_HDR_SIZE);
+        if ((status & 1) == 0) {
+            i = -1;
+            break;
+        }
+
+        status = get(b->num, (char *)&ctx->msg, sizeof(ctx->msg), &length);
+        if (((status & 1) == 0) || (length < RPC_HDR_SIZE)) {
+            i = -1;
+            break;
+        }
+        if ((ctx->msg.channel != 'R') || (ctx->msg.function != 'C')) {
+            printf("unexpected response when confirming put %c %c\n",
+                   ctx->msg.channel, ctx->msg.function);
+
+        }
+    }
+    return (i);
+}
+
+static long rtcp_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+    case BIO_CTRL_EOF:
+        ret = 1;
+        break;
+    case BIO_C_SET_FD:
+        b->num = num;
+        ret = 1;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+    case BIO_CTRL_FLUSH:
+    case BIO_CTRL_DUP:
+        ret = 1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+    case BIO_CTRL_INFO:
+    case BIO_CTRL_GET:
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int rtcp_gets(BIO *bp, char *buf, int size)
+{
+    return (0);
+}
+
+static int rtcp_puts(BIO *bp, const char *str)
+{
+    int length;
+    if (str == NULL)
+        return (0);
+    length = strlen(str);
+    if (length == 0)
+        return (0);
+    return rtcp_write(bp, str, length);
+}
diff --git a/thirdparty/openssl/crypto/bio/bss_sock.c b/thirdparty/openssl/crypto/bio/bss_sock.c
new file mode 100644
index 0000000000..6194d2c031
--- /dev/null
+++ b/thirdparty/openssl/crypto/bio/bss_sock.c
@@ -0,0 +1,287 @@
+/* crypto/bio/bss_sock.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+
+#ifndef OPENSSL_NO_SOCK
+
+# include <openssl/bio.h>
+
+# ifdef WATT32
+#  define sock_write SockWrite  /* Watt-32 uses same names */
+#  define sock_read  SockRead
+#  define sock_puts  SockPuts
+# endif
+
+static int sock_write(BIO *h, const char *buf, int num);
+static int sock_read(BIO *h, char *buf, int size);
+static int sock_puts(BIO *h, const char *str);
+static long sock_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int sock_new(BIO *h);
+static int sock_free(BIO *data);
+int BIO_sock_should_retry(int s);
+
+static BIO_METHOD methods_sockp = {
+    BIO_TYPE_SOCKET,
+    "socket",
+    sock_write,
+    sock_read,
+    sock_puts,
+    NULL,                       /* sock_gets, */
+    sock_ctrl,
+    sock_new,
+    sock_free,
+    NULL,
+};
+
+BIO_METHOD *BIO_s_socket(void)
+{
+    return (&methods_sockp);
+}
+
+BIO *BIO_new_socket(int fd, int close_flag)
+{
+    BIO *ret;
+
+    ret = BIO_new(BIO_s_socket());
+    if (ret == NULL)
+        return (NULL);
+    BIO_set_fd(ret, fd, close_flag);
+    return (ret);
+}
+
+static int sock_new(BIO *bi)
+{
+    bi->init = 0;
+    bi->num = 0;
+    bi->ptr = NULL;
+    bi->flags = 0;
+    return (1);
+}
+
+static int sock_free(BIO *a)
+{
+    if (a == NULL)
+        return (0);
+    if (a->shutdown) {
+        if (a->init) {
+            SHUTDOWN2(a->num);
+        }
+        a->init = 0;
+        a->flags = 0;
+    }
+    return (1);
+}
+
+static int sock_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+
+    if (out != NULL) {
+        clear_socket_error();
+        ret = readsocket(b->num, out, outl);
+        BIO_clear_retry_flags(b);
+        if (ret <= 0) {
+            if (BIO_sock_should_retry(ret))
+                BIO_set_retry_read(b);
+        }
+    }
+    return (ret);
+}
+
+static int sock_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+
+    clear_socket_error();
+    ret = writesocket(b->num, in, inl);
+    BIO_clear_retry_flags(b);
+    if (ret <= 0) {
+        if (BIO_sock_should_retry(ret))
+            BIO_set_retry_write(b);
+    }
+    return (ret);
+}
+
+static long sock_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    long ret = 1;
+    int *ip;
+
+    switch (cmd) {
+    case BIO_C_SET_FD:
+        sock_free(b);
+        b->num = *((int *)ptr);
+        b->shutdown = (int)num;
+        b->init = 1;
+        break;
+    case BIO_C_GET_FD:
+        if (b->init) {
+            ip = (int *)ptr;
+            if (ip != NULL)
+                *ip = b->num;
+            ret = b->num;
+        } else
+            ret = -1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_DUP:
+    case BIO_CTRL_FLUSH:
+        ret = 1;
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int sock_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = sock_write(bp, str, n);
+    return (ret);
+}
+
+int BIO_sock_should_retry(int i)
+{
+    int err;
+
+    if ((i == 0) || (i == -1)) {
+        err = get_last_socket_error();
+
+# if defined(OPENSSL_SYS_WINDOWS) && 0/* more microsoft stupidity? perhaps
+                                       * not? Ben 4/1/99 */
+        if ((i == -1) && (err == 0))
+            return (1);
+# endif
+
+        return (BIO_sock_non_fatal_error(err));
+    }
+    return (0);
+}
+
+int BIO_sock_non_fatal_error(int err)
+{
+    switch (err) {
+# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_NETWARE)
+#  if defined(WSAEWOULDBLOCK)
+    case WSAEWOULDBLOCK:
+#  endif
+
+#  if 0                         /* This appears to always be an error */
+#   if defined(WSAENOTCONN)
+    case WSAENOTCONN:
+#   endif
+#  endif
+# endif
+
+# ifdef EWOULDBLOCK
+#  ifdef WSAEWOULDBLOCK
+#   if WSAEWOULDBLOCK != EWOULDBLOCK
+    case EWOULDBLOCK:
+#   endif
+#  else
+    case EWOULDBLOCK:
+#  endif
+# endif
+
+# if defined(ENOTCONN)
+    case ENOTCONN:
+# endif
+
+# ifdef EINTR
+    case EINTR:
+# endif
+
+# ifdef EAGAIN
+#  if EWOULDBLOCK != EAGAIN
+    case EAGAIN:
+#  endif
+# endif
+
+# ifdef EPROTO
+    case EPROTO:
+# endif
+
+# ifdef EINPROGRESS
+    case EINPROGRESS:
+# endif
+
+# ifdef EALREADY
+    case EALREADY:
+# endif
+        return (1);
+        /* break; */
+    default:
+        break;
+    }
+    return (0);
+}
+
+#endif                          /* #ifndef OPENSSL_NO_SOCK */