-/* crypto/ui/ui_lib.c -*- mode:C; c-file-style: "eay" -*- */
/*
- * 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).
+ * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <string.h>
UI *UI_new_method(const UI_METHOD *method)
{
- UI *ret = OPENSSL_malloc(sizeof(*ret));
+ UI *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return NULL;
}
+
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ 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);
+ if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data)) {
+ OPENSSL_free(ret);
+ return NULL;
+ }
return ret;
}
return;
sk_UI_STRING_pop_free(ui->strings, free_string);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
+ CRYPTO_THREAD_lock_free(ui->lock);
OPENSSL_free(ui);
}
} 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 = OPENSSL_malloc(sizeof(*ret)))) {
+ } else if ((ret = OPENSSL_malloc(sizeof(*ret))) != NULL) {
ret->out_string = prompt;
ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0;
ret->input_flags = input_flags;
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)
+ /* sk_push() returns 0 on error. Let's adapt that */
+ if (ret <= 0) {
ret--;
+ free_string(s);
+ }
} else
free_string(s);
}
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
+ * sk_push() returns 0 on error. Let's adapt that
*/
- if (ret <= 0)
+ if (ret <= 0) {
ret--;
+ free_string(s);
+ }
} else
free_string(s);
}
char *prompt_copy = NULL;
if (prompt) {
- prompt_copy = BUF_strdup(prompt);
+ prompt_copy = OPENSSL_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_STRING, ERR_R_MALLOC_FAILURE);
return 0;
char *prompt_copy = NULL;
if (prompt) {
- prompt_copy = BUF_strdup(prompt);
+ prompt_copy = OPENSSL_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE);
return -1;
char *cancel_chars_copy = NULL;
if (prompt) {
- prompt_copy = BUF_strdup(prompt);
+ prompt_copy = OPENSSL_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);
+ action_desc_copy = OPENSSL_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);
+ ok_chars_copy = OPENSSL_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);
+ cancel_chars_copy = OPENSSL_strdup(cancel_chars);
if (cancel_chars_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
char *text_copy = NULL;
if (text) {
- text_copy = BUF_strdup(text);
+ text_copy = OPENSSL_strdup(text);
if (text_copy == NULL) {
UIerr(UI_F_UI_DUP_INFO_STRING, ERR_R_MALLOC_FAILURE);
return -1;
char *text_copy = NULL;
if (text) {
- text_copy = BUF_strdup(text);
+ text_copy = OPENSSL_strdup(text);
if (text_copy == NULL) {
UIerr(UI_F_UI_DUP_ERROR_STRING, ERR_R_MALLOC_FAILURE);
return -1;
prompt = OPENSSL_malloc(len + 1);
if (prompt == NULL)
return NULL;
- BUF_strlcpy(prompt, prompt1, len + 1);
- BUF_strlcat(prompt, object_desc, len + 1);
+ OPENSSL_strlcpy(prompt, prompt1, len + 1);
+ OPENSSL_strlcat(prompt, object_desc, len + 1);
if (object_name) {
- BUF_strlcat(prompt, prompt2, len + 1);
- BUF_strlcat(prompt, object_name, len + 1);
+ OPENSSL_strlcat(prompt, prompt2, len + 1);
+ OPENSSL_strlcat(prompt, object_name, len + 1);
}
- BUF_strlcat(prompt, prompt3, len + 1);
+ OPENSSL_strlcat(prompt, prompt3, len + 1);
}
return prompt;
}
int UI_process(UI *ui)
{
int i, ok = 0;
+ const char *state = "processing";
- if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui))
- return -1;
+ if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui)) {
+ state = "opening session";
+ ok = -1;
+ goto err;
+ }
if (ui->flags & UI_FLAG_PRINT_ERRORS)
ERR_print_errors_cb((int (*)(const char *, size_t, void *))
&& !ui->meth->ui_write_string(ui,
sk_UI_STRING_value(ui->strings, i)))
{
+ state = "writing strings";
ok = -1;
goto err;
}
ok = -2;
goto err;
case 0: /* Errors */
+ state = "flushing";
ok = -1;
goto err;
default: /* Success */
ok = -2;
goto err;
case 0: /* Errors */
+ state = "reading strings";
ok = -1;
goto err;
default: /* Success */
}
}
err:
- if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui))
- return -1;
+ if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui)) {
+ if (state == NULL)
+ state = "closing session";
+ ok = -1;
+ }
+
+ if (ok == -1) {
+ UIerr(UI_F_UI_PROCESS, UI_R_PROCESSING_ERROR);
+ ERR_add_error_data(2, "while ", state);
+ }
return ok;
}
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));
return ui->meth;
}
-UI_METHOD *UI_create_method(char *name)
+UI_METHOD *UI_create_method(const char *name)
{
- UI_METHOD *ui_method = OPENSSL_malloc(sizeof(*ui_method));
+ UI_METHOD *ui_method = OPENSSL_zalloc(sizeof(*ui_method));
- if (ui_method) {
- memset(ui_method, 0, sizeof(*ui_method));
- ui_method->name = BUF_strdup(name);
+ if (ui_method != NULL) {
+ ui_method->name = OPENSSL_strdup(name);
+ if (ui_method->name == NULL) {
+ OPENSSL_free(ui_method);
+ UIerr(UI_F_UI_CREATE_METHOD, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
}
return ui_method;
}
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:
const char *UI_get0_result_string(UI_STRING *uis)
{
- if (!uis)
- return NULL;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
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;
int UI_get_result_minsize(UI_STRING *uis)
{
- if (!uis)
- return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
int UI_get_result_maxsize(UI_STRING *uis)
{
- if (!uis)
- return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
ui->flags &= ~UI_FLAG_REDOABLE;
- if (!uis)
- return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
}
}
- if (!uis->result_buf) {
+ if (uis->result_buf == NULL) {
UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
return -1;
}
- BUF_strlcpy(uis->result_buf, result,
+ OPENSSL_strlcpy(uis->result_buf, result,
uis->_.string_data.result_maxsize + 1);
break;
case UIT_BOOLEAN:
{
const char *p;
- if (!uis->result_buf) {
+ if (uis->result_buf == NULL) {
UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
return -1;
}