diff options
Diffstat (limited to 'thirdparty/openssl/crypto/bio/b_print.c')
-rw-r--r-- | thirdparty/openssl/crypto/bio/b_print.c | 869 |
1 files changed, 0 insertions, 869 deletions
diff --git a/thirdparty/openssl/crypto/bio/b_print.c b/thirdparty/openssl/crypto/bio/b_print.c deleted file mode 100644 index eb3ab75934..0000000000 --- a/thirdparty/openssl/crypto/bio/b_print.c +++ /dev/null @@ -1,869 +0,0 @@ -/* 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; - } - } - /* - * We have to truncate if there is no dynamic buffer and we have filled the - * static buffer. - */ - if (buffer == NULL) { - *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 = -(unsigned LLONG)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; -} |