openssl: Move to a module and split thirdparty lib

Same rationale as the previous commits.

6 files changed, 2005 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/ui/ui_compat.c b/thirdparty/openssl/crypto/ui/ui_compat.c
new file mode 100644
index 0000000000..e79d54eea6
--- /dev/null
+++ b/thirdparty/openssl/crypto/ui/ui_compat.c
@@ -0,0 +1,69 @@
+/* crypto/ui/ui_compat.c */
+/* ====================================================================
+ * Copyright (c) 2001-2002 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 <string.h>
+#include <openssl/ui_compat.h>
+
+int _ossl_old_des_read_pw_string(char *buf, int length, const char *prompt,
+                                 int verify)
+{
+    return UI_UTIL_read_pw_string(buf, length, prompt, verify);
+}
+
+int _ossl_old_des_read_pw(char *buf, char *buff, int size, const char *prompt,
+                          int verify)
+{
+    return UI_UTIL_read_pw(buf, buff, size, prompt, verify);
+}
diff --git a/thirdparty/openssl/crypto/ui/ui_err.c b/thirdparty/openssl/crypto/ui/ui_err.c
new file mode 100644
index 0000000000..8097da836a
--- /dev/null
+++ b/thirdparty/openssl/crypto/ui/ui_err.c
@@ -0,0 +1,111 @@
+/* crypto/ui/ui_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2006 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/ui.h>
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+
+# define ERR_FUNC(func) ERR_PACK(ERR_LIB_UI,func,0)
+# define ERR_REASON(reason) ERR_PACK(ERR_LIB_UI,0,reason)
+
+static ERR_STRING_DATA UI_str_functs[] = {
+    {ERR_FUNC(UI_F_GENERAL_ALLOCATE_BOOLEAN), "GENERAL_ALLOCATE_BOOLEAN"},
+    {ERR_FUNC(UI_F_GENERAL_ALLOCATE_PROMPT), "GENERAL_ALLOCATE_PROMPT"},
+    {ERR_FUNC(UI_F_GENERAL_ALLOCATE_STRING), "GENERAL_ALLOCATE_STRING"},
+    {ERR_FUNC(UI_F_UI_CTRL), "UI_ctrl"},
+    {ERR_FUNC(UI_F_UI_DUP_ERROR_STRING), "UI_dup_error_string"},
+    {ERR_FUNC(UI_F_UI_DUP_INFO_STRING), "UI_dup_info_string"},
+    {ERR_FUNC(UI_F_UI_DUP_INPUT_BOOLEAN), "UI_dup_input_boolean"},
+    {ERR_FUNC(UI_F_UI_DUP_INPUT_STRING), "UI_dup_input_string"},
+    {ERR_FUNC(UI_F_UI_DUP_VERIFY_STRING), "UI_dup_verify_string"},
+    {ERR_FUNC(UI_F_UI_GET0_RESULT), "UI_get0_result"},
+    {ERR_FUNC(UI_F_UI_NEW_METHOD), "UI_new_method"},
+    {ERR_FUNC(UI_F_UI_SET_RESULT), "UI_set_result"},
+    {0, NULL}
+};
+
+static ERR_STRING_DATA UI_str_reasons[] = {
+    {ERR_REASON(UI_R_COMMON_OK_AND_CANCEL_CHARACTERS),
+     "common ok and cancel characters"},
+    {ERR_REASON(UI_R_INDEX_TOO_LARGE), "index too large"},
+    {ERR_REASON(UI_R_INDEX_TOO_SMALL), "index too small"},
+    {ERR_REASON(UI_R_NO_RESULT_BUFFER), "no result buffer"},
+    {ERR_REASON(UI_R_RESULT_TOO_LARGE), "result too large"},
+    {ERR_REASON(UI_R_RESULT_TOO_SMALL), "result too small"},
+    {ERR_REASON(UI_R_UNKNOWN_CONTROL_COMMAND), "unknown control command"},
+    {0, NULL}
+};
+
+#endif
+
+void ERR_load_UI_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+
+    if (ERR_func_error_string(UI_str_functs[0].error) == NULL) {
+        ERR_load_strings(0, UI_str_functs);
+        ERR_load_strings(0, UI_str_reasons);
+    }
+#endif
+}
diff --git a/thirdparty/openssl/crypto/ui/ui_lib.c b/thirdparty/openssl/crypto/ui/ui_lib.c
new file mode 100644
index 0000000000..2f580352ce
--- /dev/null
+++ b/thirdparty/openssl/crypto/ui/ui_lib.c
@@ -0,0 +1,870 @@
+/* crypto/ui/ui_lib.c */
+/*
+ * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
+ * 2001.
+ */
+/* ====================================================================
+ * Copyright (c) 2001 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 <string.h>
+#include "cryptlib.h"
+#include <openssl/e_os2.h>
+#include <openssl/buffer.h>
+#include <openssl/ui.h>
+#include <openssl/err.h>
+#include "ui_locl.h"
+
+IMPLEMENT_STACK_OF(UI_STRING_ST)
+
+static const UI_METHOD *default_UI_meth = NULL;
+
+UI *UI_new(void)
+{
+    return (UI_new_method(NULL));
+}
+
+UI *UI_new_method(const UI_METHOD *method)
+{
+    UI *ret;
+
+    ret = (UI *)OPENSSL_malloc(sizeof(UI));
+    if (ret == NULL) {
+        UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+    if (method == NULL)
+        ret->meth = UI_get_default_method();
+    else
+        ret->meth = method;
+
+    ret->strings = NULL;
+    ret->user_data = NULL;
+    ret->flags = 0;
+    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
+    return ret;
+}
+
+static void free_string(UI_STRING *uis)
+{
+    if (uis->flags & OUT_STRING_FREEABLE) {
+        OPENSSL_free((char *)uis->out_string);
+        switch (uis->type) {
+        case UIT_BOOLEAN:
+            OPENSSL_free((char *)uis->_.boolean_data.action_desc);
+            OPENSSL_free((char *)uis->_.boolean_data.ok_chars);
+            OPENSSL_free((char *)uis->_.boolean_data.cancel_chars);
+            break;
+        default:
+            break;
+        }
+    }
+    OPENSSL_free(uis);
+}
+
+void UI_free(UI *ui)
+{
+    if (ui == NULL)
+        return;
+    sk_UI_STRING_pop_free(ui->strings, free_string);
+    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
+    OPENSSL_free(ui);
+}
+
+static int allocate_string_stack(UI *ui)
+{
+    if (ui->strings == NULL) {
+        ui->strings = sk_UI_STRING_new_null();
+        if (ui->strings == NULL) {
+            return -1;
+        }
+    }
+    return 0;
+}
+
+static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt,
+                                          int prompt_freeable,
+                                          enum UI_string_types type,
+                                          int input_flags, char *result_buf)
+{
+    UI_STRING *ret = NULL;
+
+    if (prompt == NULL) {
+        UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, ERR_R_PASSED_NULL_PARAMETER);
+    } else if ((type == UIT_PROMPT || type == UIT_VERIFY
+                || type == UIT_BOOLEAN) && result_buf == NULL) {
+        UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, UI_R_NO_RESULT_BUFFER);
+    } else if ((ret = (UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING)))) {
+        ret->out_string = prompt;
+        ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0;
+        ret->input_flags = input_flags;
+        ret->type = type;
+        ret->result_buf = result_buf;
+    }
+    return ret;
+}
+
+static int general_allocate_string(UI *ui, const char *prompt,
+                                   int prompt_freeable,
+                                   enum UI_string_types type, int input_flags,
+                                   char *result_buf, int minsize, int maxsize,
+                                   const char *test_buf)
+{
+    int ret = -1;
+    UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,
+                                           type, input_flags, result_buf);
+
+    if (s) {
+        if (allocate_string_stack(ui) >= 0) {
+            s->_.string_data.result_minsize = minsize;
+            s->_.string_data.result_maxsize = maxsize;
+            s->_.string_data.test_buf = test_buf;
+            ret = sk_UI_STRING_push(ui->strings, s);
+            /* sk_push() returns 0 on error.  Let's addapt that */
+            if (ret <= 0)
+                ret--;
+        } else
+            free_string(s);
+    }
+    return ret;
+}
+
+static int general_allocate_boolean(UI *ui,
+                                    const char *prompt,
+                                    const char *action_desc,
+                                    const char *ok_chars,
+                                    const char *cancel_chars,
+                                    int prompt_freeable,
+                                    enum UI_string_types type,
+                                    int input_flags, char *result_buf)
+{
+    int ret = -1;
+    UI_STRING *s;
+    const char *p;
+
+    if (ok_chars == NULL) {
+        UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER);
+    } else if (cancel_chars == NULL) {
+        UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER);
+    } else {
+        for (p = ok_chars; *p; p++) {
+            if (strchr(cancel_chars, *p)) {
+                UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,
+                      UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
+            }
+        }
+
+        s = general_allocate_prompt(ui, prompt, prompt_freeable,
+                                    type, input_flags, result_buf);
+
+        if (s) {
+            if (allocate_string_stack(ui) >= 0) {
+                s->_.boolean_data.action_desc = action_desc;
+                s->_.boolean_data.ok_chars = ok_chars;
+                s->_.boolean_data.cancel_chars = cancel_chars;
+                ret = sk_UI_STRING_push(ui->strings, s);
+                /*
+                 * sk_push() returns 0 on error. Let's addapt that
+                 */
+                if (ret <= 0)
+                    ret--;
+            } else
+                free_string(s);
+        }
+    }
+    return ret;
+}
+
+/*
+ * Returns the index to the place in the stack or -1 for error.  Uses a
+ * direct reference to the prompt.
+ */
+int UI_add_input_string(UI *ui, const char *prompt, int flags,
+                        char *result_buf, int minsize, int maxsize)
+{
+    return general_allocate_string(ui, prompt, 0,
+                                   UIT_PROMPT, flags, result_buf, minsize,
+                                   maxsize, NULL);
+}
+
+/* Same as UI_add_input_string(), excepts it takes a copy of the prompt */
+int UI_dup_input_string(UI *ui, const char *prompt, int flags,
+                        char *result_buf, int minsize, int maxsize)
+{
+    char *prompt_copy = NULL;
+
+    if (prompt) {
+        prompt_copy = BUF_strdup(prompt);
+        if (prompt_copy == NULL) {
+            UIerr(UI_F_UI_DUP_INPUT_STRING, ERR_R_MALLOC_FAILURE);
+            return 0;
+        }
+    }
+
+    return general_allocate_string(ui, prompt_copy, 1,
+                                   UIT_PROMPT, flags, result_buf, minsize,
+                                   maxsize, NULL);
+}
+
+int UI_add_verify_string(UI *ui, const char *prompt, int flags,
+                         char *result_buf, int minsize, int maxsize,
+                         const char *test_buf)
+{
+    return general_allocate_string(ui, prompt, 0,
+                                   UIT_VERIFY, flags, result_buf, minsize,
+                                   maxsize, test_buf);
+}
+
+int UI_dup_verify_string(UI *ui, const char *prompt, int flags,
+                         char *result_buf, int minsize, int maxsize,
+                         const char *test_buf)
+{
+    char *prompt_copy = NULL;
+
+    if (prompt) {
+        prompt_copy = BUF_strdup(prompt);
+        if (prompt_copy == NULL) {
+            UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE);
+            return -1;
+        }
+    }
+
+    return general_allocate_string(ui, prompt_copy, 1,
+                                   UIT_VERIFY, flags, result_buf, minsize,
+                                   maxsize, test_buf);
+}
+
+int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc,
+                         const char *ok_chars, const char *cancel_chars,
+                         int flags, char *result_buf)
+{
+    return general_allocate_boolean(ui, prompt, action_desc,
+                                    ok_chars, cancel_chars, 0, UIT_BOOLEAN,
+                                    flags, result_buf);
+}
+
+int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
+                         const char *ok_chars, const char *cancel_chars,
+                         int flags, char *result_buf)
+{
+    char *prompt_copy = NULL;
+    char *action_desc_copy = NULL;
+    char *ok_chars_copy = NULL;
+    char *cancel_chars_copy = NULL;
+
+    if (prompt) {
+        prompt_copy = BUF_strdup(prompt);
+        if (prompt_copy == NULL) {
+            UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
+            goto err;
+        }
+    }
+
+    if (action_desc) {
+        action_desc_copy = BUF_strdup(action_desc);
+        if (action_desc_copy == NULL) {
+            UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
+            goto err;
+        }
+    }
+
+    if (ok_chars) {
+        ok_chars_copy = BUF_strdup(ok_chars);
+        if (ok_chars_copy == NULL) {
+            UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
+            goto err;
+        }
+    }
+
+    if (cancel_chars) {
+        cancel_chars_copy = BUF_strdup(cancel_chars);
+        if (cancel_chars_copy == NULL) {
+            UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
+            goto err;
+        }
+    }
+
+    return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
+                                    ok_chars_copy, cancel_chars_copy, 1,
+                                    UIT_BOOLEAN, flags, result_buf);
+ err:
+    if (prompt_copy)
+        OPENSSL_free(prompt_copy);
+    if (action_desc_copy)
+        OPENSSL_free(action_desc_copy);
+    if (ok_chars_copy)
+        OPENSSL_free(ok_chars_copy);
+    if (cancel_chars_copy)
+        OPENSSL_free(cancel_chars_copy);
+    return -1;
+}
+
+int UI_add_info_string(UI *ui, const char *text)
+{
+    return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
+                                   NULL);
+}
+
+int UI_dup_info_string(UI *ui, const char *text)
+{
+    char *text_copy = NULL;
+
+    if (text) {
+        text_copy = BUF_strdup(text);
+        if (text_copy == NULL) {
+            UIerr(UI_F_UI_DUP_INFO_STRING, ERR_R_MALLOC_FAILURE);
+            return -1;
+        }
+    }
+
+    return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL,
+                                   0, 0, NULL);
+}
+
+int UI_add_error_string(UI *ui, const char *text)
+{
+    return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
+                                   NULL);
+}
+
+int UI_dup_error_string(UI *ui, const char *text)
+{
+    char *text_copy = NULL;
+
+    if (text) {
+        text_copy = BUF_strdup(text);
+        if (text_copy == NULL) {
+            UIerr(UI_F_UI_DUP_ERROR_STRING, ERR_R_MALLOC_FAILURE);
+            return -1;
+        }
+    }
+    return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL,
+                                   0, 0, NULL);
+}
+
+char *UI_construct_prompt(UI *ui, const char *object_desc,
+                          const char *object_name)
+{
+    char *prompt = NULL;
+
+    if (ui->meth->ui_construct_prompt)
+        prompt = ui->meth->ui_construct_prompt(ui, object_desc, object_name);
+    else {
+        char prompt1[] = "Enter ";
+        char prompt2[] = " for ";
+        char prompt3[] = ":";
+        int len = 0;
+
+        if (object_desc == NULL)
+            return NULL;
+        len = sizeof(prompt1) - 1 + strlen(object_desc);
+        if (object_name)
+            len += sizeof(prompt2) - 1 + strlen(object_name);
+        len += sizeof(prompt3) - 1;
+
+        prompt = (char *)OPENSSL_malloc(len + 1);
+        BUF_strlcpy(prompt, prompt1, len + 1);
+        BUF_strlcat(prompt, object_desc, len + 1);
+        if (object_name) {
+            BUF_strlcat(prompt, prompt2, len + 1);
+            BUF_strlcat(prompt, object_name, len + 1);
+        }
+        BUF_strlcat(prompt, prompt3, len + 1);
+    }
+    return prompt;
+}
+
+void *UI_add_user_data(UI *ui, void *user_data)
+{
+    void *old_data = ui->user_data;
+    ui->user_data = user_data;
+    return old_data;
+}
+
+void *UI_get0_user_data(UI *ui)
+{
+    return ui->user_data;
+}
+
+const char *UI_get0_result(UI *ui, int i)
+{
+    if (i < 0) {
+        UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_SMALL);
+        return NULL;
+    }
+    if (i >= sk_UI_STRING_num(ui->strings)) {
+        UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_LARGE);
+        return NULL;
+    }
+    return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
+}
+
+static int print_error(const char *str, size_t len, UI *ui)
+{
+    UI_STRING uis;
+
+    memset(&uis, 0, sizeof(uis));
+    uis.type = UIT_ERROR;
+    uis.out_string = str;
+
+    if (ui->meth->ui_write_string && !ui->meth->ui_write_string(ui, &uis))
+        return -1;
+    return 0;
+}
+
+int UI_process(UI *ui)
+{
+    int i, ok = 0;
+
+    if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui))
+        return -1;
+
+    if (ui->flags & UI_FLAG_PRINT_ERRORS)
+        ERR_print_errors_cb((int (*)(const char *, size_t, void *))
+                            print_error, (void *)ui);
+
+    for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
+        if (ui->meth->ui_write_string
+            && !ui->meth->ui_write_string(ui,
+                                          sk_UI_STRING_value(ui->strings, i)))
+        {
+            ok = -1;
+            goto err;
+        }
+    }
+
+    if (ui->meth->ui_flush)
+        switch (ui->meth->ui_flush(ui)) {
+        case -1:               /* Interrupt/Cancel/something... */
+            ok = -2;
+            goto err;
+        case 0:                /* Errors */
+            ok = -1;
+            goto err;
+        default:               /* Success */
+            ok = 0;
+            break;
+        }
+
+    for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
+        if (ui->meth->ui_read_string) {
+            switch (ui->meth->ui_read_string(ui,
+                                             sk_UI_STRING_value(ui->strings,
+                                                                i))) {
+            case -1:           /* Interrupt/Cancel/something... */
+                ok = -2;
+                goto err;
+            case 0:            /* Errors */
+                ok = -1;
+                goto err;
+            default:           /* Success */
+                ok = 0;
+                break;
+            }
+        }
+    }
+ err:
+    if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui))
+        return -1;
+    return ok;
+}
+
+int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f) (void))
+{
+    if (ui == NULL) {
+        UIerr(UI_F_UI_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+        return -1;
+    }
+    switch (cmd) {
+    case UI_CTRL_PRINT_ERRORS:
+        {
+            int save_flag = ! !(ui->flags & UI_FLAG_PRINT_ERRORS);
+            if (i)
+                ui->flags |= UI_FLAG_PRINT_ERRORS;
+            else
+                ui->flags &= ~UI_FLAG_PRINT_ERRORS;
+            return save_flag;
+        }
+    case UI_CTRL_IS_REDOABLE:
+        return ! !(ui->flags & UI_FLAG_REDOABLE);
+    default:
+        break;
+    }
+    UIerr(UI_F_UI_CTRL, UI_R_UNKNOWN_CONTROL_COMMAND);
+    return -1;
+}
+
+int UI_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_UI, argl, argp,
+                                   new_func, dup_func, free_func);
+}
+
+int UI_set_ex_data(UI *r, int idx, void *arg)
+{
+    return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
+}
+
+void *UI_get_ex_data(UI *r, int idx)
+{
+    return (CRYPTO_get_ex_data(&r->ex_data, idx));
+}
+
+void UI_set_default_method(const UI_METHOD *meth)
+{
+    default_UI_meth = meth;
+}
+
+const UI_METHOD *UI_get_default_method(void)
+{
+    if (default_UI_meth == NULL) {
+        default_UI_meth = UI_OpenSSL();
+    }
+    return default_UI_meth;
+}
+
+const UI_METHOD *UI_get_method(UI *ui)
+{
+    return ui->meth;
+}
+
+const UI_METHOD *UI_set_method(UI *ui, const UI_METHOD *meth)
+{
+    ui->meth = meth;
+    return ui->meth;
+}
+
+UI_METHOD *UI_create_method(char *name)
+{
+    UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD));
+
+    if (ui_method) {
+        memset(ui_method, 0, sizeof(*ui_method));
+        ui_method->name = BUF_strdup(name);
+    }
+    return ui_method;
+}
+
+/*
+ * BIG FSCKING WARNING!!!! If you use this on a statically allocated method
+ * (that is, it hasn't been allocated using UI_create_method(), you deserve
+ * anything Murphy can throw at you and more! You have been warned.
+ */
+void UI_destroy_method(UI_METHOD *ui_method)
+{
+    OPENSSL_free(ui_method->name);
+    ui_method->name = NULL;
+    OPENSSL_free(ui_method);
+}
+
+int UI_method_set_opener(UI_METHOD *method, int (*opener) (UI *ui))
+{
+    if (method) {
+        method->ui_open_session = opener;
+        return 0;
+    } else
+        return -1;
+}
+
+int UI_method_set_writer(UI_METHOD *method,
+                         int (*writer) (UI *ui, UI_STRING *uis))
+{
+    if (method) {
+        method->ui_write_string = writer;
+        return 0;
+    } else
+        return -1;
+}
+
+int UI_method_set_flusher(UI_METHOD *method, int (*flusher) (UI *ui))
+{
+    if (method) {
+        method->ui_flush = flusher;
+        return 0;
+    } else
+        return -1;
+}
+
+int UI_method_set_reader(UI_METHOD *method,
+                         int (*reader) (UI *ui, UI_STRING *uis))
+{
+    if (method) {
+        method->ui_read_string = reader;
+        return 0;
+    } else
+        return -1;
+}
+
+int UI_method_set_closer(UI_METHOD *method, int (*closer) (UI *ui))
+{
+    if (method) {
+        method->ui_close_session = closer;
+        return 0;
+    } else
+        return -1;
+}
+
+int UI_method_set_prompt_constructor(UI_METHOD *method,
+                                     char *(*prompt_constructor) (UI *ui,
+                                                                  const char
+                                                                  *object_desc,
+                                                                  const char
+                                                                  *object_name))
+{
+    if (method) {
+        method->ui_construct_prompt = prompt_constructor;
+        return 0;
+    } else
+        return -1;
+}
+
+int (*UI_method_get_opener(UI_METHOD *method)) (UI *) {
+    if (method)
+        return method->ui_open_session;
+    else
+        return NULL;
+}
+
+int (*UI_method_get_writer(UI_METHOD *method)) (UI *, UI_STRING *) {
+    if (method)
+        return method->ui_write_string;
+    else
+        return NULL;
+}
+
+int (*UI_method_get_flusher(UI_METHOD *method)) (UI *) {
+    if (method)
+        return method->ui_flush;
+    else
+        return NULL;
+}
+
+int (*UI_method_get_reader(UI_METHOD *method)) (UI *, UI_STRING *) {
+    if (method)
+        return method->ui_read_string;
+    else
+        return NULL;
+}
+
+int (*UI_method_get_closer(UI_METHOD *method)) (UI *) {
+    if (method)
+        return method->ui_close_session;
+    else
+        return NULL;
+}
+
+char *(*UI_method_get_prompt_constructor(UI_METHOD *method)) (UI *,
+                                                              const char *,
+                                                              const char *) {
+    if (method)
+        return method->ui_construct_prompt;
+    else
+        return NULL;
+}
+
+enum UI_string_types UI_get_string_type(UI_STRING *uis)
+{
+    if (!uis)
+        return UIT_NONE;
+    return uis->type;
+}
+
+int UI_get_input_flags(UI_STRING *uis)
+{
+    if (!uis)
+        return 0;
+    return uis->input_flags;
+}
+
+const char *UI_get0_output_string(UI_STRING *uis)
+{
+    if (!uis)
+        return NULL;
+    return uis->out_string;
+}
+
+const char *UI_get0_action_string(UI_STRING *uis)
+{
+    if (!uis)
+        return NULL;
+    switch (uis->type) {
+    case UIT_PROMPT:
+    case UIT_BOOLEAN:
+        return uis->_.boolean_data.action_desc;
+    default:
+        return NULL;
+    }
+}
+
+const char *UI_get0_result_string(UI_STRING *uis)
+{
+    if (!uis)
+        return NULL;
+    switch (uis->type) {
+    case UIT_PROMPT:
+    case UIT_VERIFY:
+        return uis->result_buf;
+    default:
+        return NULL;
+    }
+}
+
+const char *UI_get0_test_string(UI_STRING *uis)
+{
+    if (!uis)
+        return NULL;
+    switch (uis->type) {
+    case UIT_VERIFY:
+        return uis->_.string_data.test_buf;
+    default:
+        return NULL;
+    }
+}
+
+int UI_get_result_minsize(UI_STRING *uis)
+{
+    if (!uis)
+        return -1;
+    switch (uis->type) {
+    case UIT_PROMPT:
+    case UIT_VERIFY:
+        return uis->_.string_data.result_minsize;
+    default:
+        return -1;
+    }
+}
+
+int UI_get_result_maxsize(UI_STRING *uis)
+{
+    if (!uis)
+        return -1;
+    switch (uis->type) {
+    case UIT_PROMPT:
+    case UIT_VERIFY:
+        return uis->_.string_data.result_maxsize;
+    default:
+        return -1;
+    }
+}
+
+int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
+{
+    int l = strlen(result);
+
+    ui->flags &= ~UI_FLAG_REDOABLE;
+
+    if (!uis)
+        return -1;
+    switch (uis->type) {
+    case UIT_PROMPT:
+    case UIT_VERIFY:
+        {
+            char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize) + 1];
+            char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize) + 1];
+
+            BIO_snprintf(number1, sizeof(number1), "%d",
+                         uis->_.string_data.result_minsize);
+            BIO_snprintf(number2, sizeof(number2), "%d",
+                         uis->_.string_data.result_maxsize);
+
+            if (l < uis->_.string_data.result_minsize) {
+                ui->flags |= UI_FLAG_REDOABLE;
+                UIerr(UI_F_UI_SET_RESULT, UI_R_RESULT_TOO_SMALL);
+                ERR_add_error_data(5, "You must type in ",
+                                   number1, " to ", number2, " characters");
+                return -1;
+            }
+            if (l > uis->_.string_data.result_maxsize) {
+                ui->flags |= UI_FLAG_REDOABLE;
+                UIerr(UI_F_UI_SET_RESULT, UI_R_RESULT_TOO_LARGE);
+                ERR_add_error_data(5, "You must type in ",
+                                   number1, " to ", number2, " characters");
+                return -1;
+            }
+        }
+
+        if (!uis->result_buf) {
+            UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
+            return -1;
+        }
+
+        BUF_strlcpy(uis->result_buf, result,
+                    uis->_.string_data.result_maxsize + 1);
+        break;
+    case UIT_BOOLEAN:
+        {
+            const char *p;
+
+            if (!uis->result_buf) {
+                UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
+                return -1;
+            }
+
+            uis->result_buf[0] = '\0';
+            for (p = result; *p; p++) {
+                if (strchr(uis->_.boolean_data.ok_chars, *p)) {
+                    uis->result_buf[0] = uis->_.boolean_data.ok_chars[0];
+                    break;
+                }
+                if (strchr(uis->_.boolean_data.cancel_chars, *p)) {
+                    uis->result_buf[0] = uis->_.boolean_data.cancel_chars[0];
+                    break;
+                }
+            }
+        }
+    default:
+        break;
+    }
+    return 0;
+}
diff --git a/thirdparty/openssl/crypto/ui/ui_locl.h b/thirdparty/openssl/crypto/ui/ui_locl.h
new file mode 100644
index 0000000000..bebc13abfc
--- /dev/null
+++ b/thirdparty/openssl/crypto/ui/ui_locl.h
@@ -0,0 +1,145 @@
+/* crypto/ui/ui.h */
+/*
+ * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
+ * 2001.
+ */
+/* ====================================================================
+ * Copyright (c) 2001 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).
+ *
+ */
+
+#ifndef HEADER_UI_LOCL_H
+# define HEADER_UI_LOCL_H
+
+# include <openssl/ui.h>
+# include <openssl/crypto.h>
+
+# ifdef _
+#  undef _
+# endif
+
+struct ui_method_st {
+    char *name;
+    /*
+     * All the functions return 1 or non-NULL for success and 0 or NULL for
+     * failure
+     */
+    /*
+     * Open whatever channel for this, be it the console, an X window or
+     * whatever. This function should use the ex_data structure to save
+     * intermediate data.
+     */
+    int (*ui_open_session) (UI *ui);
+    int (*ui_write_string) (UI *ui, UI_STRING *uis);
+    /*
+     * Flush the output.  If a GUI dialog box is used, this function can be
+     * used to actually display it.
+     */
+    int (*ui_flush) (UI *ui);
+    int (*ui_read_string) (UI *ui, UI_STRING *uis);
+    int (*ui_close_session) (UI *ui);
+    /*
+     * Construct a prompt in a user-defined manner.  object_desc is a textual
+     * short description of the object, for example "pass phrase", and
+     * object_name is the name of the object (might be a card name or a file
+     * name. The returned string shall always be allocated on the heap with
+     * OPENSSL_malloc(), and need to be free'd with OPENSSL_free().
+     */
+    char *(*ui_construct_prompt) (UI *ui, const char *object_desc,
+                                  const char *object_name);
+};
+
+struct ui_string_st {
+    enum UI_string_types type;  /* Input */
+    const char *out_string;     /* Input */
+    int input_flags;            /* Flags from the user */
+    /*
+     * The following parameters are completely irrelevant for UIT_INFO, and
+     * can therefore be set to 0 or NULL
+     */
+    char *result_buf;           /* Input and Output: If not NULL,
+                                 * user-defined with size in result_maxsize.
+                                 * Otherwise, it may be allocated by the UI
+                                 * routine, meaning result_minsize is going
+                                 * to be overwritten. */
+    union {
+        struct {
+            int result_minsize; /* Input: minimum required size of the
+                                 * result. */
+            int result_maxsize; /* Input: maximum permitted size of the
+                                 * result */
+            const char *test_buf; /* Input: test string to verify against */
+        } string_data;
+        struct {
+            const char *action_desc; /* Input */
+            const char *ok_chars; /* Input */
+            const char *cancel_chars; /* Input */
+        } boolean_data;
+    } _;
+
+# define OUT_STRING_FREEABLE 0x01
+    int flags;                  /* flags for internal use */
+};
+
+struct ui_st {
+    const UI_METHOD *meth;
+    STACK_OF(UI_STRING) *strings; /* We might want to prompt for more than
+                                   * one thing at a time, and with different
+                                   * echoing status.  */
+    void *user_data;
+    CRYPTO_EX_DATA ex_data;
+# define UI_FLAG_REDOABLE        0x0001
+# define UI_FLAG_PRINT_ERRORS    0x0100
+    int flags;
+};
+
+#endif
diff --git a/thirdparty/openssl/crypto/ui/ui_openssl.c b/thirdparty/openssl/crypto/ui/ui_openssl.c
new file mode 100644
index 0000000000..9ab259b8f6
--- /dev/null
+++ b/thirdparty/openssl/crypto/ui/ui_openssl.c
@@ -0,0 +1,717 @@
+/* crypto/ui/ui_openssl.c */
+/*
+ * Written by Richard Levitte (richard@levitte.org) and others for the
+ * OpenSSL project 2001.
+ */
+/* ====================================================================
+ * Copyright (c) 2001 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).
+ *
+ */
+
+/*-
+ * The lowest level part of this file was previously in crypto/des/read_pwd.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 <openssl/e_os2.h>
+
+/*
+ * need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
+ * [maybe others?], because it masks interfaces not discussed in standard,
+ * sigaction and fileno included. -pedantic would be more appropriate for the
+ * intended purposes, but we can't prevent users from adding -ansi.
+ */
+#if defined(OPENSSL_SYSNAME_VXWORKS)
+# include <sys/types.h>
+#endif
+
+#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
+# ifndef _POSIX_C_SOURCE
+#  define _POSIX_C_SOURCE 2
+# endif
+#endif
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
+# ifdef OPENSSL_UNISTD
+#  include OPENSSL_UNISTD
+# else
+#  include <unistd.h>
+# endif
+/*
+ * If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX
+ * system and have sigaction and termios.
+ */
+# if defined(_POSIX_VERSION)
+
+#  define SIGACTION
+#  if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
+#   define TERMIOS
+#  endif
+
+# endif
+#endif
+
+#ifdef WIN16TTY
+# undef OPENSSL_SYS_WIN16
+# undef WIN16
+# undef _WINDOWS
+# include <graph.h>
+#endif
+
+/* 06-Apr-92 Luke Brennan    Support for VMS */
+#include "ui_locl.h"
+#include "cryptlib.h"
+
+#ifdef OPENSSL_SYS_VMS          /* prototypes for sys$whatever */
+# include <starlet.h>
+# ifdef __DECC
+#  pragma message disable DOLLARID
+# endif
+#endif
+
+#ifdef WIN_CONSOLE_BUG
+# include <windows.h>
+# ifndef OPENSSL_SYS_WINCE
+#  include <wincon.h>
+# endif
+#endif
+
+/*
+ * There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS,
+ * MSDOS and SGTTY.
+ *
+ * If someone defines one of the macros TERMIO, TERMIOS or SGTTY, it will
+ * remain respected.  Otherwise, we default to TERMIOS except for a few
+ * systems that require something different.
+ *
+ * Note: we do not use SGTTY unless it's defined by the configuration.  We
+ * may eventually opt to remove it's use entirely.
+ */
+
+#if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
+
+# if defined(_LIBC)
+#  undef  TERMIOS
+#  define TERMIO
+#  undef  SGTTY
+/*
+ * We know that VMS, MSDOS, VXWORKS, NETWARE use entirely other mechanisms.
+ * MAC_OS_GUSI_SOURCE should probably go away, but that needs to be confirmed.
+ */
+# elif !defined(OPENSSL_SYS_VMS) \
+	&& !defined(OPENSSL_SYS_MSDOS) \
+	&& !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) \
+	&& !defined(MAC_OS_GUSI_SOURCE)	\
+	&& !defined(OPENSSL_SYS_VXWORKS) \
+	&& !defined(OPENSSL_SYS_NETWARE)
+#  define TERMIOS
+#  undef  TERMIO
+#  undef  SGTTY
+# endif
+
+#endif
+
+#ifdef TERMIOS
+# include <termios.h>
+# define TTY_STRUCT             struct termios
+# define TTY_FLAGS              c_lflag
+# define TTY_get(tty,data)      tcgetattr(tty,data)
+# define TTY_set(tty,data)      tcsetattr(tty,TCSANOW,data)
+#endif
+
+#ifdef TERMIO
+# include <termio.h>
+# define TTY_STRUCT             struct termio
+# define TTY_FLAGS              c_lflag
+# define TTY_get(tty,data)      ioctl(tty,TCGETA,data)
+# define TTY_set(tty,data)      ioctl(tty,TCSETA,data)
+#endif
+
+#ifdef SGTTY
+# include <sgtty.h>
+# define TTY_STRUCT             struct sgttyb
+# define TTY_FLAGS              sg_flags
+# define TTY_get(tty,data)      ioctl(tty,TIOCGETP,data)
+# define TTY_set(tty,data)      ioctl(tty,TIOCSETP,data)
+#endif
+
+#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS)
+# include <sys/ioctl.h>
+#endif
+
+#ifdef OPENSSL_SYS_MSDOS
+# include <conio.h>
+#endif
+
+#ifdef OPENSSL_SYS_VMS
+# include <ssdef.h>
+# include <iodef.h>
+# include <ttdef.h>
+# include <descrip.h>
+struct IOSB {
+    short iosb$w_value;
+    short iosb$w_count;
+    long iosb$l_info;
+};
+#endif
+
+#ifdef OPENSSL_SYS_SUNOS
+typedef int sig_atomic_t;
+#endif
+
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
+/*
+ * This one needs work. As a matter of fact the code is unoperational
+ * and this is only a trick to get it compiled.
+ *                                      <appro@fy.chalmers.se>
+ */
+# define TTY_STRUCT int
+#endif
+
+#ifndef NX509_SIG
+# define NX509_SIG 32
+#endif
+
+/* Define globals.  They are protected by a lock */
+#ifdef SIGACTION
+static struct sigaction savsig[NX509_SIG];
+#else
+static void (*savsig[NX509_SIG]) (int);
+#endif
+
+#ifdef OPENSSL_SYS_VMS
+static struct IOSB iosb;
+static $DESCRIPTOR(terminal, "TT");
+static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this
+                                      * will always suffice for the actual
+                                      * structures? */
+static long status;
+static unsigned short channel = 0;
+#else
+# if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
+static TTY_STRUCT tty_orig, tty_new;
+# endif
+#endif
+static FILE *tty_in, *tty_out;
+static int is_a_tty;
+
+/* Declare static functions */
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+static int read_till_nl(FILE *);
+static void recsig(int);
+static void pushsig(void);
+static void popsig(void);
+#endif
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
+static int noecho_fgets(char *buf, int size, FILE *tty);
+#endif
+static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
+
+static int read_string(UI *ui, UI_STRING *uis);
+static int write_string(UI *ui, UI_STRING *uis);
+
+static int open_console(UI *ui);
+static int echo_console(UI *ui);
+static int noecho_console(UI *ui);
+static int close_console(UI *ui);
+
+static UI_METHOD ui_openssl = {
+    "OpenSSL default user interface",
+    open_console,
+    write_string,
+    NULL,                       /* No flusher is needed for command lines */
+    read_string,
+    close_console,
+    NULL
+};
+
+/* The method with all the built-in thingies */
+UI_METHOD *UI_OpenSSL(void)
+{
+    return &ui_openssl;
+}
+
+/*
+ * The following function makes sure that info and error strings are printed
+ * before any prompt.
+ */
+static int write_string(UI *ui, UI_STRING *uis)
+{
+    switch (UI_get_string_type(uis)) {
+    case UIT_ERROR:
+    case UIT_INFO:
+        fputs(UI_get0_output_string(uis), tty_out);
+        fflush(tty_out);
+        break;
+    default:
+        break;
+    }
+    return 1;
+}
+
+static int read_string(UI *ui, UI_STRING *uis)
+{
+    int ok = 0;
+
+    switch (UI_get_string_type(uis)) {
+    case UIT_BOOLEAN:
+        fputs(UI_get0_output_string(uis), tty_out);
+        fputs(UI_get0_action_string(uis), tty_out);
+        fflush(tty_out);
+        return read_string_inner(ui, uis,
+                                 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO,
+                                 0);
+    case UIT_PROMPT:
+        fputs(UI_get0_output_string(uis), tty_out);
+        fflush(tty_out);
+        return read_string_inner(ui, uis,
+                                 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO,
+                                 1);
+    case UIT_VERIFY:
+        fprintf(tty_out, "Verifying - %s", UI_get0_output_string(uis));
+        fflush(tty_out);
+        if ((ok = read_string_inner(ui, uis,
+                                    UI_get_input_flags(uis) &
+                                    UI_INPUT_FLAG_ECHO, 1)) <= 0)
+            return ok;
+        if (strcmp(UI_get0_result_string(uis), UI_get0_test_string(uis)) != 0) {
+            fprintf(tty_out, "Verify failure\n");
+            fflush(tty_out);
+            return 0;
+        }
+        break;
+    default:
+        break;
+    }
+    return 1;
+}
+
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+/* Internal functions to read a string without echoing */
+static int read_till_nl(FILE *in)
+{
+# define SIZE 4
+    char buf[SIZE + 1];
+
+    do {
+        if (!fgets(buf, SIZE, in))
+            return 0;
+    } while (strchr(buf, '\n') == NULL);
+    return 1;
+}
+
+static volatile sig_atomic_t intr_signal;
+#endif
+
+static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
+{
+    static int ps;
+    int ok;
+    char result[BUFSIZ];
+    int maxsize = BUFSIZ - 1;
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+    char *p;
+
+    intr_signal = 0;
+    ok = 0;
+    ps = 0;
+
+    pushsig();
+    ps = 1;
+
+    if (!echo && !noecho_console(ui))
+        goto error;
+    ps = 2;
+
+    result[0] = '\0';
+# ifdef OPENSSL_SYS_MSDOS
+    if (!echo) {
+        noecho_fgets(result, maxsize, tty_in);
+        p = result;             /* FIXME: noecho_fgets doesn't return errors */
+    } else
+        p = fgets(result, maxsize, tty_in);
+# else
+    p = fgets(result, maxsize, tty_in);
+# endif
+    if (!p)
+        goto error;
+    if (feof(tty_in))
+        goto error;
+    if (ferror(tty_in))
+        goto error;
+    if ((p = (char *)strchr(result, '\n')) != NULL) {
+        if (strip_nl)
+            *p = '\0';
+    } else if (!read_till_nl(tty_in))
+        goto error;
+    if (UI_set_result(ui, uis, result) >= 0)
+        ok = 1;
+
+ error:
+    if (intr_signal == SIGINT)
+        ok = -1;
+    if (!echo)
+        fprintf(tty_out, "\n");
+    if (ps >= 2 && !echo && !echo_console(ui))
+        ok = 0;
+
+    if (ps >= 1)
+        popsig();
+#else
+    ok = 1;
+#endif
+
+    OPENSSL_cleanse(result, BUFSIZ);
+    return ok;
+}
+
+/* Internal functions to open, handle and close a channel to the console.  */
+static int open_console(UI *ui)
+{
+    CRYPTO_w_lock(CRYPTO_LOCK_UI);
+    is_a_tty = 1;
+
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS)
+    tty_in = stdin;
+    tty_out = stderr;
+#else
+# ifdef OPENSSL_SYS_MSDOS
+#  define DEV_TTY "con"
+# else
+#  define DEV_TTY "/dev/tty"
+# endif
+    if ((tty_in = fopen(DEV_TTY, "r")) == NULL)
+        tty_in = stdin;
+    if ((tty_out = fopen(DEV_TTY, "w")) == NULL)
+        tty_out = stderr;
+#endif
+
+#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
+    if (TTY_get(fileno(tty_in), &tty_orig) == -1) {
+# ifdef ENOTTY
+        if (errno == ENOTTY)
+            is_a_tty = 0;
+        else
+# endif
+# ifdef EINVAL
+            /*
+             * Ariel Glenn ariel@columbia.edu reports that solaris can return
+             * EINVAL instead.  This should be ok
+             */
+        if (errno == EINVAL)
+            is_a_tty = 0;
+        else
+# endif
+            return 0;
+    }
+#endif
+#ifdef OPENSSL_SYS_VMS
+    status = sys$assign(&terminal, &channel, 0, 0);
+    if (status != SS$_NORMAL)
+        return 0;
+    status =
+        sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, 0, 0,
+                 0, 0);
+    if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
+        return 0;
+#endif
+    return 1;
+}
+
+static int noecho_console(UI *ui)
+{
+#ifdef TTY_FLAGS
+    memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
+    tty_new.TTY_FLAGS &= ~ECHO;
+#endif
+
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+    if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1))
+        return 0;
+#endif
+#ifdef OPENSSL_SYS_VMS
+    tty_new[0] = tty_orig[0];
+    tty_new[1] = tty_orig[1] | TT$M_NOECHO;
+    tty_new[2] = tty_orig[2];
+    status =
+        sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0,
+                 0);
+    if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
+        return 0;
+#endif
+    return 1;
+}
+
+static int echo_console(UI *ui)
+{
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+    memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
+    tty_new.TTY_FLAGS |= ECHO;
+#endif
+
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+    if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1))
+        return 0;
+#endif
+#ifdef OPENSSL_SYS_VMS
+    tty_new[0] = tty_orig[0];
+    tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
+    tty_new[2] = tty_orig[2];
+    status =
+        sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0,
+                 0);
+    if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
+        return 0;
+#endif
+    return 1;
+}
+
+static int close_console(UI *ui)
+{
+    if (tty_in != stdin)
+        fclose(tty_in);
+    if (tty_out != stderr)
+        fclose(tty_out);
+#ifdef OPENSSL_SYS_VMS
+    status = sys$dassgn(channel);
+#endif
+    CRYPTO_w_unlock(CRYPTO_LOCK_UI);
+
+    return 1;
+}
+
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+/* Internal functions to handle signals and act on them */
+static void pushsig(void)
+{
+# ifndef OPENSSL_SYS_WIN32
+    int i;
+# endif
+# ifdef SIGACTION
+    struct sigaction sa;
+
+    memset(&sa, 0, sizeof sa);
+    sa.sa_handler = recsig;
+# endif
+
+# ifdef OPENSSL_SYS_WIN32
+    savsig[SIGABRT] = signal(SIGABRT, recsig);
+    savsig[SIGFPE] = signal(SIGFPE, recsig);
+    savsig[SIGILL] = signal(SIGILL, recsig);
+    savsig[SIGINT] = signal(SIGINT, recsig);
+    savsig[SIGSEGV] = signal(SIGSEGV, recsig);
+    savsig[SIGTERM] = signal(SIGTERM, recsig);
+# else
+    for (i = 1; i < NX509_SIG; i++) {
+#  ifdef SIGUSR1
+        if (i == SIGUSR1)
+            continue;
+#  endif
+#  ifdef SIGUSR2
+        if (i == SIGUSR2)
+            continue;
+#  endif
+#  ifdef SIGKILL
+        if (i == SIGKILL)       /* We can't make any action on that. */
+            continue;
+#  endif
+#  ifdef SIGACTION
+        sigaction(i, &sa, &savsig[i]);
+#  else
+        savsig[i] = signal(i, recsig);
+#  endif
+    }
+# endif
+
+# ifdef SIGWINCH
+    signal(SIGWINCH, SIG_DFL);
+# endif
+}
+
+static void popsig(void)
+{
+# ifdef OPENSSL_SYS_WIN32
+    signal(SIGABRT, savsig[SIGABRT]);
+    signal(SIGFPE, savsig[SIGFPE]);
+    signal(SIGILL, savsig[SIGILL]);
+    signal(SIGINT, savsig[SIGINT]);
+    signal(SIGSEGV, savsig[SIGSEGV]);
+    signal(SIGTERM, savsig[SIGTERM]);
+# else
+    int i;
+    for (i = 1; i < NX509_SIG; i++) {
+#  ifdef SIGUSR1
+        if (i == SIGUSR1)
+            continue;
+#  endif
+#  ifdef SIGUSR2
+        if (i == SIGUSR2)
+            continue;
+#  endif
+#  ifdef SIGACTION
+        sigaction(i, &savsig[i], NULL);
+#  else
+        signal(i, savsig[i]);
+#  endif
+    }
+# endif
+}
+
+static void recsig(int i)
+{
+    intr_signal = i;
+}
+#endif
+
+/* Internal functions specific for Windows */
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+static int noecho_fgets(char *buf, int size, FILE *tty)
+{
+    int i;
+    char *p;
+
+    p = buf;
+    for (;;) {
+        if (size == 0) {
+            *p = '\0';
+            break;
+        }
+        size--;
+# ifdef WIN16TTY
+        i = _inchar();
+# elif defined(_WIN32)
+        i = _getch();
+# else
+        i = getch();
+# endif
+        if (i == '\r')
+            i = '\n';
+        *(p++) = i;
+        if (i == '\n') {
+            *p = '\0';
+            break;
+        }
+    }
+# ifdef WIN_CONSOLE_BUG
+    /*
+     * Win95 has several evil console bugs: one of these is that the last
+     * character read using getch() is passed to the next read: this is
+     * usually a CR so this can be trouble. No STDIO fix seems to work but
+     * flushing the console appears to do the trick.
+     */
+    {
+        HANDLE inh;
+        inh = GetStdHandle(STD_INPUT_HANDLE);
+        FlushConsoleInputBuffer(inh);
+    }
+# endif
+    return (strlen(buf));
+}
+#endif
diff --git a/thirdparty/openssl/crypto/ui/ui_util.c b/thirdparty/openssl/crypto/ui/ui_util.c
new file mode 100644
index 0000000000..0f290115d0
--- /dev/null
+++ b/thirdparty/openssl/crypto/ui/ui_util.c
@@ -0,0 +1,93 @@
+/* crypto/ui/ui_util.c */
+/* ====================================================================
+ * Copyright (c) 2001-2002 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 <string.h>
+#include "ui_locl.h"
+
+int UI_UTIL_read_pw_string(char *buf, int length, const char *prompt,
+                           int verify)
+{
+    char buff[BUFSIZ];
+    int ret;
+
+    ret =
+        UI_UTIL_read_pw(buf, buff, (length > BUFSIZ) ? BUFSIZ : length,
+                        prompt, verify);
+    OPENSSL_cleanse(buff, BUFSIZ);
+    return (ret);
+}
+
+int UI_UTIL_read_pw(char *buf, char *buff, int size, const char *prompt,
+                    int verify)
+{
+    int ok = 0;
+    UI *ui;
+
+    if (size < 1)
+        return -1;
+
+    ui = UI_new();
+    if (ui) {
+        ok = UI_add_input_string(ui, prompt, 0, buf, 0, size - 1);
+        if (ok >= 0 && verify)
+            ok = UI_add_verify_string(ui, prompt, 0, buff, 0, size - 1, buf);
+        if (ok >= 0)
+            ok = UI_process(ui);
+        UI_free(ui);
+    }
+    if (ok > 0)
+        ok = 0;
+    return (ok);
+}