mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			854 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			854 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
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|  *
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|  * Licensed under the OpenSSL license (the "License").  You may not use
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|  * this file except in compliance with the License.  You can obtain a copy
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|  * in the file LICENSE in the source distribution or at
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|  * https://www.openssl.org/source/license.html
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|  */
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| 
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| #include <string.h>
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| #include "internal/cryptlib.h"
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| #include <openssl/e_os2.h>
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| #include <openssl/buffer.h>
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| #include <openssl/ui.h>
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| #include <openssl/err.h>
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| #include "ui_locl.h"
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| 
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| UI *UI_new(void)
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| {
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|     return (UI_new_method(NULL));
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| }
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| 
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| UI *UI_new_method(const UI_METHOD *method)
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| {
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|     UI *ret = OPENSSL_zalloc(sizeof(*ret));
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| 
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|     if (ret == NULL) {
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|         UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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| 
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|     ret->lock = CRYPTO_THREAD_lock_new();
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|     if (ret->lock == NULL) {
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|         UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE);
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|         OPENSSL_free(ret);
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|         return NULL;
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|     }
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| 
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|     if (method == NULL)
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|         ret->meth = UI_get_default_method();
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|     else
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|         ret->meth = method;
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| 
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|     if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data)) {
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|         OPENSSL_free(ret);
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|         return NULL;
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|     }
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|     return ret;
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| }
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| 
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| static void free_string(UI_STRING *uis)
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| {
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|     if (uis->flags & OUT_STRING_FREEABLE) {
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|         OPENSSL_free((char *)uis->out_string);
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|         switch (uis->type) {
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|         case UIT_BOOLEAN:
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|             OPENSSL_free((char *)uis->_.boolean_data.action_desc);
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|             OPENSSL_free((char *)uis->_.boolean_data.ok_chars);
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|             OPENSSL_free((char *)uis->_.boolean_data.cancel_chars);
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|             break;
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|         case UIT_NONE:
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|         case UIT_PROMPT:
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|         case UIT_VERIFY:
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|         case UIT_ERROR:
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|         case UIT_INFO:
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|             break;
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|         }
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|     }
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|     OPENSSL_free(uis);
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| }
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| 
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| void UI_free(UI *ui)
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| {
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|     if (ui == NULL)
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|         return;
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|     sk_UI_STRING_pop_free(ui->strings, free_string);
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|     CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
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|     CRYPTO_THREAD_lock_free(ui->lock);
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|     OPENSSL_free(ui);
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| }
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| 
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| static int allocate_string_stack(UI *ui)
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| {
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|     if (ui->strings == NULL) {
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|         ui->strings = sk_UI_STRING_new_null();
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|         if (ui->strings == NULL) {
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|             return -1;
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|         }
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|     }
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|     return 0;
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| }
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| 
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| static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt,
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|                                           int prompt_freeable,
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|                                           enum UI_string_types type,
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|                                           int input_flags, char *result_buf)
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| {
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|     UI_STRING *ret = NULL;
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| 
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|     if (prompt == NULL) {
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|         UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, ERR_R_PASSED_NULL_PARAMETER);
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|     } else if ((type == UIT_PROMPT || type == UIT_VERIFY
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|                 || type == UIT_BOOLEAN) && result_buf == NULL) {
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|         UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, UI_R_NO_RESULT_BUFFER);
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|     } else if ((ret = OPENSSL_malloc(sizeof(*ret))) != NULL) {
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|         ret->out_string = prompt;
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|         ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0;
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|         ret->input_flags = input_flags;
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|         ret->type = type;
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|         ret->result_buf = result_buf;
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|     }
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|     return ret;
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| }
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| 
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| static int general_allocate_string(UI *ui, const char *prompt,
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|                                    int prompt_freeable,
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|                                    enum UI_string_types type, int input_flags,
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|                                    char *result_buf, int minsize, int maxsize,
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|                                    const char *test_buf)
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| {
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|     int ret = -1;
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|     UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,
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|                                            type, input_flags, result_buf);
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| 
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|     if (s != NULL) {
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|         if (allocate_string_stack(ui) >= 0) {
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|             s->_.string_data.result_minsize = minsize;
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|             s->_.string_data.result_maxsize = maxsize;
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|             s->_.string_data.test_buf = test_buf;
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|             ret = sk_UI_STRING_push(ui->strings, s);
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|             /* sk_push() returns 0 on error.  Let's adapt that */
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|             if (ret <= 0) {
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|                 ret--;
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|                 free_string(s);
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|             }
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|         } else
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|             free_string(s);
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|     }
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|     return ret;
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| }
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| 
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| static int general_allocate_boolean(UI *ui,
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|                                     const char *prompt,
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|                                     const char *action_desc,
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|                                     const char *ok_chars,
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|                                     const char *cancel_chars,
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|                                     int prompt_freeable,
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|                                     enum UI_string_types type,
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|                                     int input_flags, char *result_buf)
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| {
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|     int ret = -1;
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|     UI_STRING *s;
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|     const char *p;
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| 
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|     if (ok_chars == NULL) {
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|         UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER);
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|     } else if (cancel_chars == NULL) {
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|         UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER);
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|     } else {
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|         for (p = ok_chars; *p != '\0'; p++) {
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|             if (strchr(cancel_chars, *p) != NULL) {
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|                 UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,
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|                       UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
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|             }
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|         }
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| 
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|         s = general_allocate_prompt(ui, prompt, prompt_freeable,
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|                                     type, input_flags, result_buf);
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| 
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|         if (s != NULL) {
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|             if (allocate_string_stack(ui) >= 0) {
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|                 s->_.boolean_data.action_desc = action_desc;
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|                 s->_.boolean_data.ok_chars = ok_chars;
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|                 s->_.boolean_data.cancel_chars = cancel_chars;
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|                 ret = sk_UI_STRING_push(ui->strings, s);
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|                 /*
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|                  * sk_push() returns 0 on error. Let's adapt that
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|                  */
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|                 if (ret <= 0) {
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|                     ret--;
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|                     free_string(s);
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|                 }
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|             } else
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|                 free_string(s);
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|         }
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|     }
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|     return ret;
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| }
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| 
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| /*
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|  * Returns the index to the place in the stack or -1 for error.  Uses a
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|  * direct reference to the prompt.
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|  */
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| int UI_add_input_string(UI *ui, const char *prompt, int flags,
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|                         char *result_buf, int minsize, int maxsize)
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| {
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|     return general_allocate_string(ui, prompt, 0,
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|                                    UIT_PROMPT, flags, result_buf, minsize,
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|                                    maxsize, NULL);
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| }
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| 
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| /* Same as UI_add_input_string(), excepts it takes a copy of the prompt */
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| int UI_dup_input_string(UI *ui, const char *prompt, int flags,
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|                         char *result_buf, int minsize, int maxsize)
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| {
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|     char *prompt_copy = NULL;
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| 
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|     if (prompt != NULL) {
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|         prompt_copy = OPENSSL_strdup(prompt);
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|         if (prompt_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_INPUT_STRING, ERR_R_MALLOC_FAILURE);
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|             return 0;
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|         }
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|     }
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| 
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|     return general_allocate_string(ui, prompt_copy, 1,
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|                                    UIT_PROMPT, flags, result_buf, minsize,
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|                                    maxsize, NULL);
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| }
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| 
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| int UI_add_verify_string(UI *ui, const char *prompt, int flags,
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|                          char *result_buf, int minsize, int maxsize,
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|                          const char *test_buf)
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| {
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|     return general_allocate_string(ui, prompt, 0,
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|                                    UIT_VERIFY, flags, result_buf, minsize,
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|                                    maxsize, test_buf);
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| }
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| 
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| int UI_dup_verify_string(UI *ui, const char *prompt, int flags,
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|                          char *result_buf, int minsize, int maxsize,
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|                          const char *test_buf)
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| {
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|     char *prompt_copy = NULL;
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| 
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|     if (prompt != NULL) {
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|         prompt_copy = OPENSSL_strdup(prompt);
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|         if (prompt_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE);
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|             return -1;
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|         }
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|     }
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| 
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|     return general_allocate_string(ui, prompt_copy, 1,
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|                                    UIT_VERIFY, flags, result_buf, minsize,
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|                                    maxsize, test_buf);
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| }
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| 
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| int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc,
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|                          const char *ok_chars, const char *cancel_chars,
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|                          int flags, char *result_buf)
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| {
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|     return general_allocate_boolean(ui, prompt, action_desc,
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|                                     ok_chars, cancel_chars, 0, UIT_BOOLEAN,
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|                                     flags, result_buf);
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| }
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| 
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| int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
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|                          const char *ok_chars, const char *cancel_chars,
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|                          int flags, char *result_buf)
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| {
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|     char *prompt_copy = NULL;
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|     char *action_desc_copy = NULL;
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|     char *ok_chars_copy = NULL;
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|     char *cancel_chars_copy = NULL;
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| 
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|     if (prompt != NULL) {
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|         prompt_copy = OPENSSL_strdup(prompt);
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|         if (prompt_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
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|             goto err;
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|         }
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|     }
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| 
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|     if (action_desc != NULL) {
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|         action_desc_copy = OPENSSL_strdup(action_desc);
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|         if (action_desc_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
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|             goto err;
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|         }
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|     }
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| 
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|     if (ok_chars != NULL) {
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|         ok_chars_copy = OPENSSL_strdup(ok_chars);
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|         if (ok_chars_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
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|             goto err;
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|         }
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|     }
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| 
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|     if (cancel_chars != NULL) {
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|         cancel_chars_copy = OPENSSL_strdup(cancel_chars);
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|         if (cancel_chars_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
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|             goto err;
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|         }
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|     }
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| 
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|     return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
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|                                     ok_chars_copy, cancel_chars_copy, 1,
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|                                     UIT_BOOLEAN, flags, result_buf);
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|  err:
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|     OPENSSL_free(prompt_copy);
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|     OPENSSL_free(action_desc_copy);
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|     OPENSSL_free(ok_chars_copy);
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|     OPENSSL_free(cancel_chars_copy);
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|     return -1;
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| }
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| 
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| int UI_add_info_string(UI *ui, const char *text)
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| {
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|     return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
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|                                    NULL);
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| }
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| 
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| int UI_dup_info_string(UI *ui, const char *text)
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| {
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|     char *text_copy = NULL;
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| 
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|     if (text != NULL) {
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|         text_copy = OPENSSL_strdup(text);
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|         if (text_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_INFO_STRING, ERR_R_MALLOC_FAILURE);
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|             return -1;
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|         }
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|     }
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| 
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|     return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL,
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|                                    0, 0, NULL);
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| }
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| 
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| int UI_add_error_string(UI *ui, const char *text)
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| {
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|     return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
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|                                    NULL);
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| }
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| 
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| int UI_dup_error_string(UI *ui, const char *text)
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| {
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|     char *text_copy = NULL;
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| 
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|     if (text != NULL) {
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|         text_copy = OPENSSL_strdup(text);
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|         if (text_copy == NULL) {
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|             UIerr(UI_F_UI_DUP_ERROR_STRING, ERR_R_MALLOC_FAILURE);
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|             return -1;
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|         }
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|     }
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|     return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL,
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|                                    0, 0, NULL);
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| }
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| 
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| char *UI_construct_prompt(UI *ui, const char *object_desc,
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|                           const char *object_name)
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| {
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|     char *prompt = NULL;
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| 
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|     if (ui->meth->ui_construct_prompt != NULL)
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|         prompt = ui->meth->ui_construct_prompt(ui, object_desc, object_name);
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|     else {
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|         char prompt1[] = "Enter ";
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|         char prompt2[] = " for ";
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|         char prompt3[] = ":";
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|         int len = 0;
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| 
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|         if (object_desc == NULL)
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|             return NULL;
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|         len = sizeof(prompt1) - 1 + strlen(object_desc);
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|         if (object_name != NULL)
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|             len += sizeof(prompt2) - 1 + strlen(object_name);
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|         len += sizeof(prompt3) - 1;
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| 
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|         prompt = OPENSSL_malloc(len + 1);
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|         if (prompt == NULL)
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|             return NULL;
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|         OPENSSL_strlcpy(prompt, prompt1, len + 1);
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|         OPENSSL_strlcat(prompt, object_desc, len + 1);
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|         if (object_name != NULL) {
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|             OPENSSL_strlcat(prompt, prompt2, len + 1);
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|             OPENSSL_strlcat(prompt, object_name, len + 1);
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|         }
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|         OPENSSL_strlcat(prompt, prompt3, len + 1);
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|     }
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|     return prompt;
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| }
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| 
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| void *UI_add_user_data(UI *ui, void *user_data)
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| {
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|     void *old_data = ui->user_data;
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|     ui->user_data = user_data;
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|     return old_data;
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| }
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| 
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| void *UI_get0_user_data(UI *ui)
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| {
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|     return ui->user_data;
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| }
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| 
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| const char *UI_get0_result(UI *ui, int i)
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| {
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|     if (i < 0) {
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|         UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_SMALL);
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|         return NULL;
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|     }
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|     if (i >= sk_UI_STRING_num(ui->strings)) {
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|         UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_LARGE);
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|         return NULL;
 | |
|     }
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|     return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
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| }
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| 
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| static int print_error(const char *str, size_t len, UI *ui)
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| {
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|     UI_STRING uis;
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| 
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|     memset(&uis, 0, sizeof(uis));
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|     uis.type = UIT_ERROR;
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|     uis.out_string = str;
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| 
 | |
|     if (ui->meth->ui_write_string != NULL
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|         && ui->meth->ui_write_string(ui, &uis) <= 0)
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|         return -1;
 | |
|     return 0;
 | |
| }
 | |
| 
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| int UI_process(UI *ui)
 | |
| {
 | |
|     int i, ok = 0;
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|     const char *state = "processing";
 | |
| 
 | |
|     if (ui->meth->ui_open_session != NULL
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|         && ui->meth->ui_open_session(ui) <= 0) {
 | |
|         state = "opening session";
 | |
|         ok = -1;
 | |
|         goto err;
 | |
|     }
 | |
| 
 | |
|     if (ui->flags & UI_FLAG_PRINT_ERRORS)
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|         ERR_print_errors_cb((int (*)(const char *, size_t, void *))
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|                             print_error, (void *)ui);
 | |
| 
 | |
|     for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
 | |
|         if (ui->meth->ui_write_string != NULL
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|             && (ui->meth->ui_write_string(ui,
 | |
|                                           sk_UI_STRING_value(ui->strings, i))
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|                 <= 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... */
 | |
|             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... */
 | |
|                 ok = -2;
 | |
|                 goto err;
 | |
|             case 0:            /* Errors */
 | |
|                 state = "reading strings";
 | |
|                 ok = -1;
 | |
|                 goto err;
 | |
|             default:           /* Success */
 | |
|                 ok = 0;
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|  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:
 | |
|         {
 | |
|             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));
 | |
| }
 | |
| 
 | |
| void *UI_get_ex_data(UI *r, int idx)
 | |
| {
 | |
|     return (CRYPTO_get_ex_data(&r->ex_data, idx));
 | |
| }
 | |
| 
 | |
| 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(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)
 | |
| {
 | |
|     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_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;
 | |
| }
 | |
| 
 | |
| 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)
 | |
| {
 | |
|     return uis->type;
 | |
| }
 | |
| 
 | |
| int UI_get_input_flags(UI_STRING *uis)
 | |
| {
 | |
|     return uis->input_flags;
 | |
| }
 | |
| 
 | |
| const char *UI_get0_output_string(UI_STRING *uis)
 | |
| {
 | |
|     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)
 | |
| {
 | |
|     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;
 | |
| }
 | |
| 
 | |
| const char *UI_get0_test_string(UI_STRING *uis)
 | |
| {
 | |
|     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)
 | |
| {
 | |
|     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)
 | |
| {
 | |
|     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)
 | |
| {
 | |
|     int l = strlen(result);
 | |
| 
 | |
|     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 (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 == NULL) {
 | |
|             UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
 | |
|             return -1;
 | |
|         }
 | |
| 
 | |
|         OPENSSL_strlcpy(uis->result_buf, result,
 | |
|                     uis->_.string_data.result_maxsize + 1);
 | |
|         break;
 | |
|     case UIT_BOOLEAN:
 | |
|         {
 | |
|             const char *p;
 | |
| 
 | |
|             if (uis->result_buf == NULL) {
 | |
|                 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;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     case UIT_NONE:
 | |
|     case UIT_INFO:
 | |
|     case UIT_ERROR:
 | |
|         break;
 | |
|     }
 | |
|     return 0;
 | |
| }
 |