sl@0: /* crypto/ui/ui_lib.c -*- mode:C; c-file-style: "eay" -*- */
sl@0: /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
sl@0:  * project 2001.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0:  /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0: 
sl@0: #include <string.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/e_os2.h>
sl@0: #include <openssl/buffer.h>
sl@0: #include <openssl/ui.h>
sl@0: #include <openssl/err.h>
sl@0: #include "ui_locl.h"
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: IMPLEMENT_STACK_OF(UI_STRING_ST)
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: static const UI_METHOD *default_UI_meth=NULL;
sl@0: #else
sl@0: GET_STATIC_VAR_FROM_TLS(default_UI_meth,ui_lib,const UI_METHOD *)
sl@0: #define default_UI_meth (*GET_WSD_VAR_NAME(default_UI_meth,ui_lib, s)())
sl@0: #endif
sl@0: 
sl@0: EXPORT_C UI *UI_new(void)
sl@0: 	{
sl@0: 	return(UI_new_method(NULL));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C UI *UI_new_method(const UI_METHOD *method)
sl@0: 	{
sl@0: 	UI *ret;
sl@0: 
sl@0: 	ret=(UI *)OPENSSL_malloc(sizeof(UI));
sl@0: 	if (ret == NULL)
sl@0: 		{
sl@0: 		UIerr(UI_F_UI_NEW_METHOD,ERR_R_MALLOC_FAILURE);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	if (method == NULL)
sl@0: 		ret->meth=UI_get_default_method();
sl@0: 	else
sl@0: 		ret->meth=method;
sl@0: 
sl@0: 	ret->strings=NULL;
sl@0: 	ret->user_data=NULL;
sl@0: 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: static void free_string(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (uis->flags & OUT_STRING_FREEABLE)
sl@0: 		{
sl@0: 		OPENSSL_free((char *)uis->out_string);
sl@0: 		switch(uis->type)
sl@0: 			{
sl@0: 		case UIT_BOOLEAN:
sl@0: 			OPENSSL_free((char *)uis->_.boolean_data.action_desc);
sl@0: 			OPENSSL_free((char *)uis->_.boolean_data.ok_chars);
sl@0: 			OPENSSL_free((char *)uis->_.boolean_data.cancel_chars);
sl@0: 			break;
sl@0: 		default:
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	OPENSSL_free(uis);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void UI_free(UI *ui)
sl@0: 	{
sl@0: 	if (ui == NULL)
sl@0: 		return;
sl@0: 	sk_UI_STRING_pop_free(ui->strings,free_string);
sl@0: 	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
sl@0: 	OPENSSL_free(ui);
sl@0: 	}
sl@0: 
sl@0: static int allocate_string_stack(UI *ui)
sl@0: 	{
sl@0: 	if (ui->strings == NULL)
sl@0: 		{
sl@0: 		ui->strings=sk_UI_STRING_new_null();
sl@0: 		if (ui->strings == NULL)
sl@0: 			{
sl@0: 			return -1;
sl@0: 			}
sl@0: 		}
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt,
sl@0: 	int prompt_freeable, enum UI_string_types type, int input_flags,
sl@0: 	char *result_buf)
sl@0: 	{
sl@0: 	UI_STRING *ret = NULL;
sl@0: 
sl@0: 	if (prompt == NULL)
sl@0: 		{
sl@0: 		UIerr(UI_F_GENERAL_ALLOCATE_PROMPT,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		}
sl@0: 	else if ((type == UIT_PROMPT || type == UIT_VERIFY
sl@0: 			 || type == UIT_BOOLEAN) && result_buf == NULL)
sl@0: 		{
sl@0: 		UIerr(UI_F_GENERAL_ALLOCATE_PROMPT,UI_R_NO_RESULT_BUFFER);
sl@0: 		}
sl@0: 	else if ((ret = (UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING))))
sl@0: 		{
sl@0: 		ret->out_string=prompt;
sl@0: 		ret->flags=prompt_freeable ? OUT_STRING_FREEABLE : 0;
sl@0: 		ret->input_flags=input_flags;
sl@0: 		ret->type=type;
sl@0: 		ret->result_buf=result_buf;
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: static int general_allocate_string(UI *ui, const char *prompt,
sl@0: 	int prompt_freeable, enum UI_string_types type, int input_flags,
sl@0: 	char *result_buf, int minsize, int maxsize, const char *test_buf)
sl@0: 	{
sl@0: 	int ret = -1;
sl@0: 	UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,
sl@0: 		type, input_flags, result_buf);
sl@0: 
sl@0: 	if (s)
sl@0: 		{
sl@0: 		if (allocate_string_stack(ui) >= 0)
sl@0: 			{
sl@0: 			s->_.string_data.result_minsize=minsize;
sl@0: 			s->_.string_data.result_maxsize=maxsize;
sl@0: 			s->_.string_data.test_buf=test_buf;
sl@0: 			ret=sk_UI_STRING_push(ui->strings, s);
sl@0: 			/* sk_push() returns 0 on error.  Let's addapt that */
sl@0: 			if (ret <= 0) ret--;
sl@0: 			}
sl@0: 		else
sl@0: 			free_string(s);
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: static int general_allocate_boolean(UI *ui,
sl@0: 	const char *prompt, const char *action_desc,
sl@0: 	const char *ok_chars, const char *cancel_chars,
sl@0: 	int prompt_freeable, enum UI_string_types type, int input_flags,
sl@0: 	char *result_buf)
sl@0: 	{
sl@0: 	int ret = -1;
sl@0: 	UI_STRING *s;
sl@0: 	const char *p;
sl@0: 
sl@0: 	if (ok_chars == NULL)
sl@0: 		{
sl@0: 		UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		}
sl@0: 	else if (cancel_chars == NULL)
sl@0: 		{
sl@0: 		UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		for(p = ok_chars; *p; p++)
sl@0: 			{
sl@0: 			if (strchr(cancel_chars, *p))
sl@0: 				{
sl@0: 				UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,
sl@0: 					UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		s = general_allocate_prompt(ui, prompt, prompt_freeable,
sl@0: 			type, input_flags, result_buf);
sl@0: 
sl@0: 		if (s)
sl@0: 			{
sl@0: 			if (allocate_string_stack(ui) >= 0)
sl@0: 				{
sl@0: 				s->_.boolean_data.action_desc = action_desc;
sl@0: 				s->_.boolean_data.ok_chars = ok_chars;
sl@0: 				s->_.boolean_data.cancel_chars = cancel_chars;
sl@0: 				ret=sk_UI_STRING_push(ui->strings, s);
sl@0: 				/* sk_push() returns 0 on error.
sl@0: 				   Let's addapt that */
sl@0: 				if (ret <= 0) ret--;
sl@0: 				}
sl@0: 			else
sl@0: 				free_string(s);
sl@0: 			}
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: /* Returns the index to the place in the stack or -1 for error.  Uses a
sl@0:    direct reference to the prompt.  */
sl@0: EXPORT_C int UI_add_input_string(UI *ui, const char *prompt, int flags,
sl@0: 	char *result_buf, int minsize, int maxsize)
sl@0: 	{
sl@0: 	return general_allocate_string(ui, prompt, 0,
sl@0: 		UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL);
sl@0: 	}
sl@0: 
sl@0: /* Same as UI_add_input_string(), excepts it takes a copy of the prompt */
sl@0: EXPORT_C int UI_dup_input_string(UI *ui, const char *prompt, int flags,
sl@0: 	char *result_buf, int minsize, int maxsize)
sl@0: 	{
sl@0: 	char *prompt_copy=NULL;
sl@0: 
sl@0: 	if (prompt)
sl@0: 		{
sl@0: 		prompt_copy=BUF_strdup(prompt);
sl@0: 		if (prompt_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_INPUT_STRING,ERR_R_MALLOC_FAILURE);
sl@0: 			return 0;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	return general_allocate_string(ui, prompt_copy, 1,
sl@0: 		UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_add_verify_string(UI *ui, const char *prompt, int flags,
sl@0: 	char *result_buf, int minsize, int maxsize, const char *test_buf)
sl@0: 	{
sl@0: 	return general_allocate_string(ui, prompt, 0,
sl@0: 		UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_dup_verify_string(UI *ui, const char *prompt, int flags,
sl@0: 	char *result_buf, int minsize, int maxsize, const char *test_buf)
sl@0: 	{
sl@0: 	char *prompt_copy=NULL;
sl@0: 
sl@0: 	if (prompt)
sl@0: 		{
sl@0: 		prompt_copy=BUF_strdup(prompt);
sl@0: 		if (prompt_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_VERIFY_STRING,ERR_R_MALLOC_FAILURE);
sl@0: 			return -1;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	return general_allocate_string(ui, prompt_copy, 1,
sl@0: 		UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc,
sl@0: 	const char *ok_chars, const char *cancel_chars,
sl@0: 	int flags, char *result_buf)
sl@0: 	{
sl@0: 	return general_allocate_boolean(ui, prompt, action_desc,
sl@0: 		ok_chars, cancel_chars, 0, UIT_BOOLEAN, flags, result_buf);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
sl@0: 	const char *ok_chars, const char *cancel_chars,
sl@0: 	int flags, char *result_buf)
sl@0: 	{
sl@0: 	char *prompt_copy = NULL;
sl@0: 	char *action_desc_copy = NULL;
sl@0: 	char *ok_chars_copy = NULL;
sl@0: 	char *cancel_chars_copy = NULL;
sl@0: 
sl@0: 	if (prompt)
sl@0: 		{
sl@0: 		prompt_copy=BUF_strdup(prompt);
sl@0: 		if (prompt_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	if (action_desc)
sl@0: 		{
sl@0: 		action_desc_copy=BUF_strdup(action_desc);
sl@0: 		if (action_desc_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	if (ok_chars)
sl@0: 		{
sl@0: 		ok_chars_copy=BUF_strdup(ok_chars);
sl@0: 		if (ok_chars_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	if (cancel_chars)
sl@0: 		{
sl@0: 		cancel_chars_copy=BUF_strdup(cancel_chars);
sl@0: 		if (cancel_chars_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
sl@0: 		ok_chars_copy, cancel_chars_copy, 1, UIT_BOOLEAN, flags,
sl@0: 		result_buf);
sl@0:  err:
sl@0: 	if (prompt_copy) OPENSSL_free(prompt_copy);
sl@0: 	if (action_desc_copy) OPENSSL_free(action_desc_copy);
sl@0: 	if (ok_chars_copy) OPENSSL_free(ok_chars_copy);
sl@0: 	if (cancel_chars_copy) OPENSSL_free(cancel_chars_copy);
sl@0: 	return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_add_info_string(UI *ui, const char *text)
sl@0: 	{
sl@0: 	return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
sl@0: 		NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_dup_info_string(UI *ui, const char *text)
sl@0: 	{
sl@0: 	char *text_copy=NULL;
sl@0: 
sl@0: 	if (text)
sl@0: 		{
sl@0: 		text_copy=BUF_strdup(text);
sl@0: 		if (text_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_INFO_STRING,ERR_R_MALLOC_FAILURE);
sl@0: 			return -1;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL,
sl@0: 		0, 0, NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_add_error_string(UI *ui, const char *text)
sl@0: 	{
sl@0: 	return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
sl@0: 		NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_dup_error_string(UI *ui, const char *text)
sl@0: 	{
sl@0: 	char *text_copy=NULL;
sl@0: 
sl@0: 	if (text)
sl@0: 		{
sl@0: 		text_copy=BUF_strdup(text);
sl@0: 		if (text_copy == NULL)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_DUP_ERROR_STRING,ERR_R_MALLOC_FAILURE);
sl@0: 			return -1;
sl@0: 			}
sl@0: 		}
sl@0: 	return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL,
sl@0: 		0, 0, NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C char *UI_construct_prompt(UI *ui, const char *object_desc,
sl@0: 	const char *object_name)
sl@0: 	{
sl@0: 	char *prompt = NULL;
sl@0: 
sl@0: 	if (ui->meth->ui_construct_prompt)
sl@0: 		prompt = ui->meth->ui_construct_prompt(ui,
sl@0: 			object_desc, object_name);
sl@0: 	else
sl@0: 		{
sl@0: 		char prompt1[] = "Enter ";
sl@0: 		char prompt2[] = " for ";
sl@0: 		char prompt3[] = ":";
sl@0: 		int len = 0;
sl@0: 
sl@0: 		if (object_desc == NULL)
sl@0: 			return NULL;
sl@0: 		len = sizeof(prompt1) - 1 + strlen(object_desc);
sl@0: 		if (object_name)
sl@0: 			len += sizeof(prompt2) - 1 + strlen(object_name);
sl@0: 		len += sizeof(prompt3) - 1;
sl@0: 
sl@0: 		prompt = (char *)OPENSSL_malloc(len + 1);
sl@0: #ifdef SYMBIAN		
sl@0: 		if(prompt==NULL)
sl@0: 		return NULL;
sl@0: #endif		
sl@0: 		BUF_strlcpy(prompt, prompt1, len + 1);
sl@0: 		BUF_strlcat(prompt, object_desc, len + 1);
sl@0: 		if (object_name)
sl@0: 			{
sl@0: 			BUF_strlcat(prompt, prompt2, len + 1);
sl@0: 			BUF_strlcat(prompt, object_name, len + 1);
sl@0: 			}
sl@0: 		BUF_strlcat(prompt, prompt3, len + 1);
sl@0: 		}
sl@0: 	return prompt;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *UI_add_user_data(UI *ui, void *user_data)
sl@0: 	{
sl@0: 	void *old_data = ui->user_data;
sl@0: 	ui->user_data = user_data;
sl@0: 	return old_data;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *UI_get0_user_data(UI *ui)
sl@0: 	{
sl@0: 	return ui->user_data;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *UI_get0_result(UI *ui, int i)
sl@0: 	{
sl@0: 	if (i < 0)
sl@0: 		{
sl@0: 		UIerr(UI_F_UI_GET0_RESULT,UI_R_INDEX_TOO_SMALL);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	if (i >= sk_UI_STRING_num(ui->strings))
sl@0: 		{
sl@0: 		UIerr(UI_F_UI_GET0_RESULT,UI_R_INDEX_TOO_LARGE);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
sl@0: 	}
sl@0: 
sl@0: static int print_error(const char *str, size_t len, UI *ui)
sl@0: 	{
sl@0: 	UI_STRING uis;
sl@0: 
sl@0: 	memset(&uis, 0, sizeof(uis));
sl@0: 	uis.type = UIT_ERROR;
sl@0: 	uis.out_string = str;
sl@0: 
sl@0: 	if (ui->meth->ui_write_string
sl@0: 		&& !ui->meth->ui_write_string(ui, &uis))
sl@0: 		return -1;
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_process(UI *ui)
sl@0: 	{
sl@0: 	int i, ok=0;
sl@0: 
sl@0: 	if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui))
sl@0: 		return -1;
sl@0: 
sl@0: 	if (ui->flags & UI_FLAG_PRINT_ERRORS)
sl@0: 		ERR_print_errors_cb(
sl@0: 			(int (*)(const char *, size_t, void *))print_error,
sl@0: 			(void *)ui);
sl@0: 
sl@0: 	for(i=0; i<sk_UI_STRING_num(ui->strings); i++)
sl@0: 		{
sl@0: 		if (ui->meth->ui_write_string
sl@0: 			&& !ui->meth->ui_write_string(ui,
sl@0: 				sk_UI_STRING_value(ui->strings, i)))
sl@0: 			{
sl@0: 			ok=-1;
sl@0: 			goto err;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (ui->meth->ui_flush)
sl@0: 		switch(ui->meth->ui_flush(ui))
sl@0: 			{
sl@0: 		case -1: /* Interrupt/Cancel/something... */
sl@0: 			ok = -2;
sl@0: 			goto err;
sl@0: 		case 0: /* Errors */
sl@0: 			ok = -1;
sl@0: 			goto err;
sl@0: 		default: /* Success */
sl@0: 			ok = 0;
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 	for(i=0; i<sk_UI_STRING_num(ui->strings); i++)
sl@0: 		{
sl@0: 		if (ui->meth->ui_read_string)
sl@0: 			{
sl@0: 			switch(ui->meth->ui_read_string(ui,
sl@0: 				sk_UI_STRING_value(ui->strings, i)))
sl@0: 				{
sl@0: 			case -1: /* Interrupt/Cancel/something... */
sl@0: 				ok = -2;
sl@0: 				goto err;
sl@0: 			case 0: /* Errors */
sl@0: 				ok = -1;
sl@0: 				goto err;
sl@0: 			default: /* Success */
sl@0: 				ok = 0;
sl@0: 				break;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0:  err:
sl@0: 	if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui))
sl@0: 		return -1;
sl@0: 	return ok;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f)(void))
sl@0: 	{
sl@0: 	if (ui == NULL)
sl@0: 		{
sl@0: 		UIerr(UI_F_UI_CTRL,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		return -1;
sl@0: 		}
sl@0: 	switch(cmd)
sl@0: 		{
sl@0: 	case UI_CTRL_PRINT_ERRORS:
sl@0: 		{
sl@0: 		int save_flag = !!(ui->flags & UI_FLAG_PRINT_ERRORS);
sl@0: 		if (i)
sl@0: 			ui->flags |= UI_FLAG_PRINT_ERRORS;
sl@0: 		else
sl@0: 			ui->flags &= ~UI_FLAG_PRINT_ERRORS;
sl@0: 		return save_flag;
sl@0: 		}
sl@0: 	case UI_CTRL_IS_REDOABLE:
sl@0: 		return !!(ui->flags & UI_FLAG_REDOABLE);
sl@0: 	default:
sl@0: 		break;
sl@0: 		}
sl@0: 	UIerr(UI_F_UI_CTRL,UI_R_UNKNOWN_CONTROL_COMMAND);
sl@0: 	return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
sl@0: 	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
sl@0:         {
sl@0: 	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp,
sl@0: 				new_func, dup_func, free_func);
sl@0:         }
sl@0: 
sl@0: EXPORT_C int UI_set_ex_data(UI *r, int idx, void *arg)
sl@0: 	{
sl@0: 	return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *UI_get_ex_data(UI *r, int idx)
sl@0: 	{
sl@0: 	return(CRYPTO_get_ex_data(&r->ex_data,idx));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void UI_set_default_method(const UI_METHOD *meth)
sl@0: 	{
sl@0: 	default_UI_meth=meth;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const UI_METHOD *UI_get_default_method(void)
sl@0: 	{
sl@0: 	if (default_UI_meth == NULL)
sl@0: 		{
sl@0: 		default_UI_meth=UI_OpenSSL();
sl@0: 		}
sl@0: 	return default_UI_meth;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const UI_METHOD *UI_get_method(UI *ui)
sl@0: 	{
sl@0: 	return ui->meth;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const UI_METHOD *UI_set_method(UI *ui, const UI_METHOD *meth)
sl@0: 	{
sl@0: 	ui->meth=meth;
sl@0: 	return ui->meth;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C UI_METHOD *UI_create_method(char *name)
sl@0: 	{
sl@0: 	UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD));
sl@0: 
sl@0: 	if (ui_method)
sl@0: 		{
sl@0: 		memset(ui_method, 0, sizeof(*ui_method));
sl@0: 		ui_method->name = BUF_strdup(name);
sl@0: 		}
sl@0: 	return ui_method;
sl@0: 	}
sl@0: 
sl@0: /* BIG FSCKING WARNING!!!!  If you use this on a statically allocated method
sl@0:    (that is, it hasn't been allocated using UI_create_method(), you deserve
sl@0:    anything Murphy can throw at you and more!  You have been warned. */
sl@0: EXPORT_C void UI_destroy_method(UI_METHOD *ui_method)
sl@0: 	{
sl@0: 	OPENSSL_free(ui_method->name);
sl@0: 	ui_method->name = NULL;
sl@0: 	OPENSSL_free(ui_method);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui))
sl@0: 	{
sl@0: 	if (method)
sl@0: 		{
sl@0: 		method->ui_open_session = opener;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	else
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis))
sl@0: 	{
sl@0: 	if (method)
sl@0: 		{
sl@0: 		method->ui_write_string = writer;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	else
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui))
sl@0: 	{
sl@0: 	if (method)
sl@0: 		{
sl@0: 		method->ui_flush = flusher;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	else
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis))
sl@0: 	{
sl@0: 	if (method)
sl@0: 		{
sl@0: 		method->ui_read_string = reader;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	else
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui))
sl@0: 	{
sl@0: 	if (method)
sl@0: 		{
sl@0: 		method->ui_close_session = closer;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	else
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*UI_method_get_opener(UI_METHOD *method))(UI*)
sl@0: 	{
sl@0: 	if (method)
sl@0: 		return method->ui_open_session;
sl@0: 	else
sl@0: 		return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*UI_method_get_writer(UI_METHOD *method))(UI*,UI_STRING*)
sl@0: 	{
sl@0: 	if (method)
sl@0: 		return method->ui_write_string;
sl@0: 	else
sl@0: 		return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*UI_method_get_flusher(UI_METHOD *method))(UI*)
sl@0: 	{
sl@0: 	if (method)
sl@0: 		return method->ui_flush;
sl@0: 	else
sl@0: 		return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*UI_method_get_reader(UI_METHOD *method))(UI*,UI_STRING*)
sl@0: 	{
sl@0: 	if (method)
sl@0: 		return method->ui_read_string;
sl@0: 	else
sl@0: 		return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*UI_method_get_closer(UI_METHOD *method))(UI*)
sl@0: 	{
sl@0: 	if (method)
sl@0: 		return method->ui_close_session;
sl@0: 	else
sl@0: 		return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C enum UI_string_types UI_get_string_type(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return UIT_NONE;
sl@0: 	return uis->type;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_get_input_flags(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return 0;
sl@0: 	return uis->input_flags;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *UI_get0_output_string(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return NULL;
sl@0: 	return uis->out_string;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *UI_get0_action_string(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return NULL;
sl@0: 	switch(uis->type)
sl@0: 		{
sl@0: 	case UIT_PROMPT:
sl@0: 	case UIT_BOOLEAN:
sl@0: 		return uis->_.boolean_data.action_desc;
sl@0: 	default:
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *UI_get0_result_string(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return NULL;
sl@0: 	switch(uis->type)
sl@0: 		{
sl@0: 	case UIT_PROMPT:
sl@0: 	case UIT_VERIFY:
sl@0: 		return uis->result_buf;
sl@0: 	default:
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *UI_get0_test_string(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return NULL;
sl@0: 	switch(uis->type)
sl@0: 		{
sl@0: 	case UIT_VERIFY:
sl@0: 		return uis->_.string_data.test_buf;
sl@0: 	default:
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_get_result_minsize(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return -1;
sl@0: 	switch(uis->type)
sl@0: 		{
sl@0: 	case UIT_PROMPT:
sl@0: 	case UIT_VERIFY:
sl@0: 		return uis->_.string_data.result_minsize;
sl@0: 	default:
sl@0: 		return -1;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_get_result_maxsize(UI_STRING *uis)
sl@0: 	{
sl@0: 	if (!uis)
sl@0: 		return -1;
sl@0: 	switch(uis->type)
sl@0: 		{
sl@0: 	case UIT_PROMPT:
sl@0: 	case UIT_VERIFY:
sl@0: 		return uis->_.string_data.result_maxsize;
sl@0: 	default:
sl@0: 		return -1;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
sl@0: 	{
sl@0: 	int l = strlen(result);
sl@0: 
sl@0: 	ui->flags &= ~UI_FLAG_REDOABLE;
sl@0: 
sl@0: 	if (!uis)
sl@0: 		return -1;
sl@0: 	switch (uis->type)
sl@0: 		{
sl@0: 	case UIT_PROMPT:
sl@0: 	case UIT_VERIFY:
sl@0: 		{
sl@0: 		char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize)+1];
sl@0: 		char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize)+1];
sl@0: 
sl@0: 		BIO_snprintf(number1, sizeof(number1), "%d",
sl@0: 			uis->_.string_data.result_minsize);
sl@0: 		BIO_snprintf(number2, sizeof(number2), "%d",
sl@0: 			uis->_.string_data.result_maxsize);
sl@0: 
sl@0: 		if (l < uis->_.string_data.result_minsize)
sl@0: 			{
sl@0: 			ui->flags |= UI_FLAG_REDOABLE;
sl@0: 			UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_SMALL);
sl@0: 			ERR_add_error_data(5,"You must type in ",
sl@0: 				number1," to ",number2," characters");
sl@0: 			return -1;
sl@0: 			}
sl@0: 		if (l > uis->_.string_data.result_maxsize)
sl@0: 			{
sl@0: 			ui->flags |= UI_FLAG_REDOABLE;
sl@0: 			UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_LARGE);
sl@0: 			ERR_add_error_data(5,"You must type in ",
sl@0: 				number1," to ",number2," characters");
sl@0: 			return -1;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 		if (!uis->result_buf)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER);
sl@0: 			return -1;
sl@0: 			}
sl@0: 
sl@0: 		BUF_strlcpy(uis->result_buf, result,
sl@0: 			    uis->_.string_data.result_maxsize + 1);
sl@0: 		break;
sl@0: 	case UIT_BOOLEAN:
sl@0: 		{
sl@0: 		const char *p;
sl@0: 
sl@0: 		if (!uis->result_buf)
sl@0: 			{
sl@0: 			UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER);
sl@0: 			return -1;
sl@0: 			}
sl@0: 
sl@0: 		uis->result_buf[0] = '\0';
sl@0: 		for(p = result; *p; p++)
sl@0: 			{
sl@0: 			if (strchr(uis->_.boolean_data.ok_chars, *p))
sl@0: 				{
sl@0: 				uis->result_buf[0] =
sl@0: 					uis->_.boolean_data.ok_chars[0];
sl@0: 				break;
sl@0: 				}
sl@0: 			if (strchr(uis->_.boolean_data.cancel_chars, *p))
sl@0: 				{
sl@0: 				uis->result_buf[0] =
sl@0: 					uis->_.boolean_data.cancel_chars[0];
sl@0: 				break;
sl@0: 				}
sl@0: 			}
sl@0: 	default:
sl@0: 		break;
sl@0: 		}
sl@0: 		}
sl@0: 	return 0;
sl@0: 	}