-/* crypto/ui/ui_lib.c -*- mode:C; c-file-style: "eay" -*- */
-/* Written by Richard Levitte (levitte@stacken.kth.se) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 1998-2000 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 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (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>
+#include "internal/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;
-static int ui_meth_num=0;
-static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ui_meth=NULL;
+#include "ui_local.h"
UI *UI_new(void)
- {
- return(UI_new_method(NULL));
- }
+{
+ 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;
- CRYPTO_new_ex_data(ui_meth,ret,&ret->ex_data);
- return 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)
+ method = UI_get_default_method();
+ if (method == NULL)
+ method = UI_null();
+ ret->meth = method;
+
+ if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data)) {
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ return ret;
+}
static void free_string(UI_STRING *uis)
- {
- if (uis->flags & OUT_STRING_FREEABLE)
- OPENSSL_free((char *)uis->out_string);
- OPENSSL_free(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;
+ case UIT_NONE:
+ case UIT_PROMPT:
+ case UIT_VERIFY:
+ case UIT_ERROR:
+ case UIT_INFO:
+ break;
+ }
+ }
+ OPENSSL_free(uis);
+}
void UI_free(UI *ui)
- {
- sk_UI_STRING_pop_free(ui->strings,free_string);
- OPENSSL_free(ui);
- }
+{
+ if (ui == NULL)
+ return;
+ if ((ui->flags & UI_FLAG_DUPL_DATA) != 0) {
+ ui->meth->ui_destroy_data(ui, ui->user_data);
+ }
+ 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);
+}
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;
- }
+{
+ 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 = OPENSSL_malloc(sizeof(*ret))) != NULL) {
+ 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;
-
- if (prompt == NULL)
- {
- UIerr(UI_F_GENERAL_ALLOCATE_STRING,ERR_R_PASSED_NULL_PARAMETER);
- }
- else if (allocate_string_stack(ui) >= 0)
- {
- UI_STRING *s=(UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING));
- s->out_string=prompt;
- s->flags=prompt_freeable ? OUT_STRING_FREEABLE : 0;
- s->input_flags=input_flags;
- s->type=type;
- s->result_buf=result_buf;
- s->result_minsize=minsize;
- s->result_maxsize=maxsize;
- s->test_buf=test_buf;
- ret=sk_UI_STRING_push(ui->strings, s);
- }
- return ret;
- }
-
-/* Returns the index to the place in the stack or 0 for error. Uses a
- direct reference to the 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 != NULL) {
+ 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 adapt that */
+ if (ret <= 0) {
+ ret--;
+ free_string(s);
+ }
+ } 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 != '\0'; p++) {
+ if (strchr(cancel_chars, *p) != NULL) {
+ 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 != NULL) {
+ 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 adapt that
+ */
+ if (ret <= 0) {
+ ret--;
+ free_string(s);
+ }
+ } 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);
- }
+ 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, 1,
- UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL);
- }
+ char *result_buf, int minsize, int maxsize)
+{
+ char *prompt_copy = NULL;
+
+ if (prompt != NULL) {
+ prompt_copy = OPENSSL_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);
- }
+ 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, 1,
- UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf);
- }
+ char *result_buf, int minsize, int maxsize,
+ const char *test_buf)
+{
+ char *prompt_copy = NULL;
+
+ if (prompt != NULL) {
+ prompt_copy = OPENSSL_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 != NULL) {
+ 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 != NULL) {
+ 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 != NULL) {
+ 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 != NULL) {
+ 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;
+ }
+ }
+
+ return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
+ ok_chars_copy, cancel_chars_copy, 1,
+ UIT_BOOLEAN, flags, result_buf);
+ err:
+ OPENSSL_free(prompt_copy);
+ OPENSSL_free(action_desc_copy);
+ OPENSSL_free(ok_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);
- }
+{
+ 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, 1, UIT_INFO, 0, NULL, 0, 0,
- NULL);
- }
+{
+ char *text_copy = NULL;
+
+ if (text != NULL) {
+ text_copy = OPENSSL_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);
- }
+{
+ 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 *text_copy = NULL;
+
+ if (text != NULL) {
+ text_copy = OPENSSL_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);
- strcpy(prompt, prompt1);
- strcat(prompt, object_desc);
- if (object_name)
- {
- strcat(prompt, prompt2);
- strcat(prompt, object_name);
- }
- strcat(prompt, prompt3);
- }
- return prompt;
- }
+ const char *object_name)
+{
+ char *prompt = NULL;
+
+ if (ui->meth->ui_construct_prompt != NULL)
+ 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 != NULL)
+ len += sizeof(prompt2) - 1 + strlen(object_name);
+ len += sizeof(prompt3) - 1;
+
+ if ((prompt = OPENSSL_malloc(len + 1)) == NULL) {
+ UIerr(UI_F_UI_CONSTRUCT_PROMPT, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ OPENSSL_strlcpy(prompt, prompt1, len + 1);
+ OPENSSL_strlcat(prompt, object_desc, len + 1);
+ if (object_name != NULL) {
+ OPENSSL_strlcat(prompt, prompt2, len + 1);
+ OPENSSL_strlcat(prompt, object_name, len + 1);
+ }
+ OPENSSL_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 *old_data = ui->user_data;
+
+ if ((ui->flags & UI_FLAG_DUPL_DATA) != 0) {
+ ui->meth->ui_destroy_data(ui, old_data);
+ old_data = NULL;
+ }
+ ui->user_data = user_data;
+ ui->flags &= ~UI_FLAG_DUPL_DATA;
+ return old_data;
+}
+
+int UI_dup_user_data(UI *ui, void *user_data)
+{
+ void *duplicate = NULL;
+
+ if (ui->meth->ui_duplicate_data == NULL
+ || ui->meth->ui_destroy_data == NULL) {
+ UIerr(UI_F_UI_DUP_USER_DATA, UI_R_USER_DATA_DUPLICATION_UNSUPPORTED);
+ return -1;
+ }
+
+ duplicate = ui->meth->ui_duplicate_data(ui, user_data);
+ if (duplicate == NULL) {
+ UIerr(UI_F_UI_DUP_USER_DATA, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+
+ (void)UI_add_user_data(ui, duplicate);
+ ui->flags |= UI_FLAG_DUPL_DATA;
+
+ return 0;
+}
void *UI_get0_user_data(UI *ui)
- {
- return ui->user_data;
- }
+{
+ 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));
- }
+{
+ 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));
+}
+
+int UI_get_result_length(UI *ui, int i)
+{
+ if (i < 0) {
+ UIerr(UI_F_UI_GET_RESULT_LENGTH, UI_R_INDEX_TOO_SMALL);
+ return -1;
+ }
+ if (i >= sk_UI_STRING_num(ui->strings)) {
+ UIerr(UI_F_UI_GET_RESULT_LENGTH, UI_R_INDEX_TOO_LARGE);
+ return -1;
+ }
+ return UI_get_result_string_length(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 != NULL
+ && ui->meth->ui_write_string(ui, &uis) <= 0)
+ 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;
-
- 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 i, ok = 0;
+ const char *state = "processing";
+
+ if (ui->meth->ui_open_session != NULL
+ && ui->meth->ui_open_session(ui) <= 0) {
+ state = "opening session";
+ ok = -1;
+ goto err;
+ }
+
+ 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 != NULL
+ && (ui->meth->ui_write_string(ui,
+ sk_UI_STRING_value(ui->strings, i))
+ <= 0))
+ {
+ state = "writing strings";
+ ok = -1;
+ goto err;
+ }
+ }
+
+ if (ui->meth->ui_flush != NULL)
+ switch (ui->meth->ui_flush(ui)) {
+ case -1: /* Interrupt/Cancel/something... */
+ ui->flags &= ~UI_FLAG_REDOABLE;
+ ok = -2;
+ goto err;
+ case 0: /* Errors */
+ state = "flushing";
+ 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 != NULL) {
+ switch (ui->meth->ui_read_string(ui,
+ sk_UI_STRING_value(ui->strings,
+ i))) {
+ case -1: /* Interrupt/Cancel/something... */
+ ui->flags &= ~UI_FLAG_REDOABLE;
+ ok = -2;
+ goto err;
+ case 0: /* Errors */
+ state = "reading strings";
+ ok = -1;
+ goto err;
+ default: /* Success */
+ ok = 0;
+ break;
+ }
+ }
+ }
-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)
+ state = NULL;
+ err:
+ if (ui->meth->ui_close_session != NULL
+ && ui->meth->ui_close_session(ui) <= 0) {
+ 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;
+}
+
+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:
{
- ui_meth_num++;
- return(CRYPTO_get_ex_new_index(ui_meth_num-1,
- &ui_meth,argl,argp,new_func,dup_func,free_func));
+ 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_set_ex_data(UI *r, int idx, void *arg)
- {
- return(CRYPTO_set_ex_data(&r->ex_data,idx,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;
- }
+{
+ return CRYPTO_get_ex_data(&r->ex_data, idx);
+}
const UI_METHOD *UI_get_method(UI *ui)
- {
- return ui->meth;
- }
+{
+ 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. */
+{
+ ui->meth = meth;
+ return ui->meth;
+}
+
+UI_METHOD *UI_create_method(const char *name)
+{
+ UI_METHOD *ui_method = NULL;
+
+ if ((ui_method = OPENSSL_zalloc(sizeof(*ui_method))) == NULL
+ || (ui_method->name = OPENSSL_strdup(name)) == NULL
+ || !CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI_METHOD, ui_method,
+ &ui_method->ex_data)) {
+ if (ui_method)
+ OPENSSL_free(ui_method->name);
+ OPENSSL_free(ui_method);
+ UIerr(UI_F_UI_CREATE_METHOD, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ 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_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_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;
- }
+{
+ if (ui_method == NULL)
+ return;
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI_METHOD, ui_method,
+ &ui_method->ex_data);
+ 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 != NULL) {
+ method->ui_open_session = opener;
+ return 0;
+ }
+ return -1;
+}
+
+int UI_method_set_writer(UI_METHOD *method,
+ int (*writer) (UI *ui, UI_STRING *uis))
+{
+ if (method != NULL) {
+ method->ui_write_string = writer;
+ return 0;
+ }
+ return -1;
+}
+
+int UI_method_set_flusher(UI_METHOD *method, int (*flusher) (UI *ui))
+{
+ if (method != NULL) {
+ method->ui_flush = flusher;
+ return 0;
+ }
+ return -1;
+}
+
+int UI_method_set_reader(UI_METHOD *method,
+ int (*reader) (UI *ui, UI_STRING *uis))
+{
+ if (method != NULL) {
+ method->ui_read_string = reader;
+ return 0;
+ }
+ return -1;
+}
+
+int UI_method_set_closer(UI_METHOD *method, int (*closer) (UI *ui))
+{
+ if (method != NULL) {
+ method->ui_close_session = closer;
+ return 0;
+ }
+ return -1;
+}
+
+int UI_method_set_data_duplicator(UI_METHOD *method,
+ void *(*duplicator) (UI *ui, void *ui_data),
+ void (*destructor)(UI *ui, void *ui_data))
+{
+ if (method != NULL) {
+ method->ui_duplicate_data = duplicator;
+ method->ui_destroy_data = destructor;
+ return 0;
+ }
+ 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 != NULL) {
+ method->ui_construct_prompt = prompt_constructor;
+ return 0;
+ }
+ return -1;
+}
+
+int UI_method_set_ex_data(UI_METHOD *method, int idx, void *data)
+{
+ return CRYPTO_set_ex_data(&method->ex_data, idx, data);
+}
+
+int (*UI_method_get_opener(const UI_METHOD *method)) (UI *)
+{
+ if (method != NULL)
+ return method->ui_open_session;
+ return NULL;
+}
+
+int (*UI_method_get_writer(const UI_METHOD *method)) (UI *, UI_STRING *)
+{
+ if (method != NULL)
+ return method->ui_write_string;
+ return NULL;
+}
+
+int (*UI_method_get_flusher(const UI_METHOD *method)) (UI *)
+{
+ if (method != NULL)
+ return method->ui_flush;
+ return NULL;
+}
+
+int (*UI_method_get_reader(const UI_METHOD *method)) (UI *, UI_STRING *)
+{
+ if (method != NULL)
+ return method->ui_read_string;
+ return NULL;
+}
+
+int (*UI_method_get_closer(const UI_METHOD *method)) (UI *)
+{
+ if (method != NULL)
+ return method->ui_close_session;
+ return NULL;
+}
+
+char *(*UI_method_get_prompt_constructor(const UI_METHOD *method))
+ (UI *, const char *, const char *)
+{
+ if (method != NULL)
+ return method->ui_construct_prompt;
+ return NULL;
+}
+
+void *(*UI_method_get_data_duplicator(const UI_METHOD *method)) (UI *, void *)
+{
+ if (method != NULL)
+ return method->ui_duplicate_data;
+ return NULL;
+}
+
+void (*UI_method_get_data_destructor(const UI_METHOD *method)) (UI *, void *)
+{
+ if (method != NULL)
+ return method->ui_destroy_data;
+ return NULL;
+}
+
+const void *UI_method_get_ex_data(const UI_METHOD *method, int idx)
+{
+ return CRYPTO_get_ex_data(&method->ex_data, idx);
+}
enum UI_string_types UI_get_string_type(UI_STRING *uis)
- {
- if (!uis)
- return UIT_NONE;
- return uis->type;
- }
+{
+ return uis->type;
+}
int UI_get_input_flags(UI_STRING *uis)
- {
- if (!uis)
- return 0;
- return uis->input_flags;
- }
+{
+ return uis->input_flags;
+}
const char *UI_get0_output_string(UI_STRING *uis)
- {
- if (!uis)
- return NULL;
- return uis->out_string;
- }
+{
+ return uis->out_string;
+}
+
+const char *UI_get0_action_string(UI_STRING *uis)
+{
+ switch (uis->type) {
+ case UIT_BOOLEAN:
+ return uis->_.boolean_data.action_desc;
+ case UIT_PROMPT:
+ case UIT_NONE:
+ case UIT_VERIFY:
+ case UIT_INFO:
+ case UIT_ERROR:
+ break;
+ }
+ 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;
- }
- }
+{
+ switch (uis->type) {
+ case UIT_PROMPT:
+ case UIT_VERIFY:
+ return uis->result_buf;
+ case UIT_NONE:
+ case UIT_BOOLEAN:
+ case UIT_INFO:
+ case UIT_ERROR:
+ break;
+ }
+ return NULL;
+}
+
+int UI_get_result_string_length(UI_STRING *uis)
+{
+ switch (uis->type) {
+ case UIT_PROMPT:
+ case UIT_VERIFY:
+ return uis->result_len;
+ case UIT_NONE:
+ case UIT_BOOLEAN:
+ case UIT_INFO:
+ case UIT_ERROR:
+ break;
+ }
+ return -1;
+}
const char *UI_get0_test_string(UI_STRING *uis)
- {
- if (!uis)
- return NULL;
- return uis->test_buf;
- }
+{
+ switch (uis->type) {
+ case UIT_VERIFY:
+ return uis->_.string_data.test_buf;
+ case UIT_NONE:
+ case UIT_BOOLEAN:
+ case UIT_INFO:
+ case UIT_ERROR:
+ case UIT_PROMPT:
+ break;
+ }
+ return NULL;
+}
int UI_get_result_minsize(UI_STRING *uis)
- {
- if (!uis)
- return -1;
- return uis->result_minsize;
- }
+{
+ switch (uis->type) {
+ case UIT_PROMPT:
+ case UIT_VERIFY:
+ return uis->_.string_data.result_minsize;
+ case UIT_NONE:
+ case UIT_INFO:
+ case UIT_ERROR:
+ case UIT_BOOLEAN:
+ break;
+ }
+ return -1;
+}
int UI_get_result_maxsize(UI_STRING *uis)
- {
- if (!uis)
- return -1;
- return uis->result_maxsize;
- }
-
-int UI_set_result(UI_STRING *uis, const char *result)
- {
- int l = strlen(result);
-
- if (!uis)
- return -1;
- if (l < uis->result_minsize)
- {
- UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_SMALL);
- return -1;
- }
- if (l > uis->result_maxsize)
- {
- UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_LARGE);
- return -1;
- }
-
- if (!uis->result_buf)
- {
- uis->result_buf = OPENSSL_malloc(uis->result_maxsize+1);
- }
-
- if (!uis->result_buf)
- {
- UIerr(UI_F_UI_NEW_METHOD,ERR_R_MALLOC_FAILURE);
- return -1;
- }
-
- strcpy(uis->result_buf, result);
- return 0;
- }
+{
+ switch (uis->type) {
+ case UIT_PROMPT:
+ case UIT_VERIFY:
+ return uis->_.string_data.result_maxsize;
+ case UIT_NONE:
+ case UIT_INFO:
+ case UIT_ERROR:
+ case UIT_BOOLEAN:
+ break;
+ }
+ return -1;
+}
+
+int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
+{
+ return UI_set_result_ex(ui, uis, result, strlen(result));
+}
+
+int UI_set_result_ex(UI *ui, UI_STRING *uis, const char *result, int len)
+{
+ ui->flags &= ~UI_FLAG_REDOABLE;
+
+ 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 (len < uis->_.string_data.result_minsize) {
+ ui->flags |= UI_FLAG_REDOABLE;
+ UIerr(UI_F_UI_SET_RESULT_EX, UI_R_RESULT_TOO_SMALL);
+ ERR_add_error_data(5, "You must type in ",
+ number1, " to ", number2, " characters");
+ return -1;
+ }
+ if (len > uis->_.string_data.result_maxsize) {
+ ui->flags |= UI_FLAG_REDOABLE;
+ UIerr(UI_F_UI_SET_RESULT_EX, UI_R_RESULT_TOO_LARGE);
+ ERR_add_error_data(5, "You must type in ",
+ number1, " to ", number2, " characters");
+ return -1;
+ }
+ }
+
+ if (uis->result_buf == NULL) {
+ UIerr(UI_F_UI_SET_RESULT_EX, UI_R_NO_RESULT_BUFFER);
+ return -1;
+ }
+
+ memcpy(uis->result_buf, result, len);
+ if (len <= uis->_.string_data.result_maxsize)
+ uis->result_buf[len] = '\0';
+ uis->result_len = len;
+ break;
+ case UIT_BOOLEAN:
+ {
+ const char *p;
+
+ if (uis->result_buf == NULL) {
+ UIerr(UI_F_UI_SET_RESULT_EX, 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;
+ }
+ }
+ }
+ case UIT_NONE:
+ case UIT_INFO:
+ case UIT_ERROR:
+ break;
+ }
+ return 0;
+}