Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/ui/ui_lib.c	Lines:	24	327	7.3 %
Date:	2017-11-13	Branches:	5	198	2.5 %


/* $OpenBSD: ui_lib.c,v 1.32 2017/01/29 17:49:23 beck Exp $ */
/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
 * project 2001.
 */
/* ====================================================================
 * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <string.h>

#include <openssl/opensslconf.h>

#include <openssl/buffer.h>
#include <openssl/err.h>
#include <openssl/ui.h>

#include "ui_locl.h"

static const UI_METHOD *default_UI_meth = NULL;

UI *
UI_new(void)
{
	return (UI_new_method(NULL));
}

UI *
UI_new_method(const UI_METHOD *method)
{
	UI *ret;

	ret = malloc(sizeof(UI));
	if (ret == NULL) {
		UIerror(ERR_R_MALLOC_FAILURE);
		return NULL;
	}
	if (method == NULL)
		ret->meth = UI_get_default_method();
	else
		ret->meth = method;

	ret->strings = NULL;
	ret->user_data = NULL;
	ret->flags = 0;
	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
	return ret;
}

static void
free_string(UI_STRING *uis)
{
	if (uis->flags & OUT_STRING_FREEABLE) {
		free((char *) uis->out_string);
		switch (uis->type) {
		case UIT_BOOLEAN:
			free((char *)uis->_.boolean_data.action_desc);
			free((char *)uis->_.boolean_data.ok_chars);
			free((char *)uis->_.boolean_data.cancel_chars);
			break;
		default:
			break;
		}
	}
	free(uis);
}

void
UI_free(UI *ui)
{
	if (ui == NULL)
		return;
	sk_UI_STRING_pop_free(ui->strings, free_string);
	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
	free(ui);
}

static int
allocate_string_stack(UI *ui)
{
	if (ui->strings == NULL) {
		ui->strings = sk_UI_STRING_new_null();
		if (ui->strings == NULL) {
			return -1;
		}
	}
	return 0;
}

static UI_STRING *
general_allocate_prompt(UI *ui, const char *prompt, int prompt_freeable,
    enum UI_string_types type, int input_flags, char *result_buf)
{
	UI_STRING *ret = NULL;

	if (prompt == NULL) {
		UIerror(ERR_R_PASSED_NULL_PARAMETER);
	} else if ((type == UIT_PROMPT || type == UIT_VERIFY ||
	    type == UIT_BOOLEAN) && result_buf == NULL) {
		UIerror(UI_R_NO_RESULT_BUFFER);
	} else if ((ret = malloc(sizeof(UI_STRING)))) {
		ret->out_string = prompt;
		ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0;
		ret->input_flags = input_flags;
		ret->type = type;
		ret->result_buf = result_buf;
	}
	return ret;
}

static int
general_allocate_string(UI *ui, const char *prompt, int prompt_freeable,
    enum UI_string_types type, int input_flags, char *result_buf, int minsize,
    int maxsize, const char *test_buf)
{
	int ret = -1;
	UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,
	    type, input_flags, result_buf);

	if (s) {
		if (allocate_string_stack(ui) >= 0) {
			s->_.string_data.result_minsize = minsize;
			s->_.string_data.result_maxsize = maxsize;
			s->_.string_data.test_buf = test_buf;
			ret = sk_UI_STRING_push(ui->strings, s);
			/* sk_push() returns 0 on error.  Let's adapt that */
			if (ret <= 0)
				ret--;
		} else
			free_string(s);
	}
	return ret;
}

static int
general_allocate_boolean(UI *ui, const char *prompt, const char *action_desc,
    const char *ok_chars, const char *cancel_chars, int prompt_freeable,
    enum UI_string_types type, int input_flags, char *result_buf)
{
	int ret = -1;
	UI_STRING *s;
	const char *p;

	if (ok_chars == NULL) {
		UIerror(ERR_R_PASSED_NULL_PARAMETER);
	} else if (cancel_chars == NULL) {
		UIerror(ERR_R_PASSED_NULL_PARAMETER);
	} else {
		for (p = ok_chars; *p; p++) {
			if (strchr(cancel_chars, *p)) {
				UIerror(UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
			}
		}

		s = general_allocate_prompt(ui, prompt, prompt_freeable,
		    type, input_flags, result_buf);

		if (s) {
			if (allocate_string_stack(ui) >= 0) {
				s->_.boolean_data.action_desc = action_desc;
				s->_.boolean_data.ok_chars = ok_chars;
				s->_.boolean_data.cancel_chars = cancel_chars;
				ret = sk_UI_STRING_push(ui->strings, s);
				/*
				 * sk_push() returns 0 on error. Let's adapt
				 * that
				 */
				if (ret <= 0)
					ret--;
			} else
				free_string(s);
		}
	}
	return ret;
}

/* Returns the index to the place in the stack or -1 for error.  Uses a
   direct reference to the prompt.  */
int
UI_add_input_string(UI *ui, const char *prompt, int flags, char *result_buf,
    int minsize, int maxsize)
{
	return general_allocate_string(ui, prompt, 0, UIT_PROMPT, flags,
	    result_buf, minsize, maxsize, NULL);
}

/* Same as UI_add_input_string(), excepts it takes a copy of the prompt */
int
UI_dup_input_string(UI *ui, const char *prompt, int flags, char *result_buf,
    int minsize, int maxsize)
{
	char *prompt_copy = NULL;

	if (prompt) {
		prompt_copy = strdup(prompt);
		if (prompt_copy == NULL) {
			UIerror(ERR_R_MALLOC_FAILURE);
			return 0;
		}
	}
	return general_allocate_string(ui, prompt_copy, 1, UIT_PROMPT, flags,
	    result_buf, minsize, maxsize, NULL);
}

int
UI_add_verify_string(UI *ui, const char *prompt, int flags, char *result_buf,
    int minsize, int maxsize, const char *test_buf)
{
	return general_allocate_string(ui, prompt, 0, UIT_VERIFY, flags,
	    result_buf, minsize, maxsize, test_buf);
}

int
UI_dup_verify_string(UI *ui, const char *prompt, int flags,
    char *result_buf, int minsize, int maxsize, const char *test_buf)
{
	char *prompt_copy = NULL;

	if (prompt) {
		prompt_copy = strdup(prompt);
		if (prompt_copy == NULL) {
			UIerror(ERR_R_MALLOC_FAILURE);
			return -1;
		}
	}
	return general_allocate_string(ui, prompt_copy, 1, UIT_VERIFY, flags,
	    result_buf, minsize, maxsize, test_buf);
}

int
UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc,
    const char *ok_chars, const char *cancel_chars, int flags, char *result_buf)
{
	return general_allocate_boolean(ui, prompt, action_desc, ok_chars,
	    cancel_chars, 0, UIT_BOOLEAN, flags, result_buf);
}

int
UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
    const char *ok_chars, const char *cancel_chars, int flags, char *result_buf)
{
	char *prompt_copy = NULL;
	char *action_desc_copy = NULL;
	char *ok_chars_copy = NULL;
	char *cancel_chars_copy = NULL;

	if (prompt) {
		prompt_copy = strdup(prompt);
		if (prompt_copy == NULL) {
			UIerror(ERR_R_MALLOC_FAILURE);
			goto err;
		}
	}
	if (action_desc) {
		action_desc_copy = strdup(action_desc);
		if (action_desc_copy == NULL) {
			UIerror(ERR_R_MALLOC_FAILURE);
			goto err;
		}
	}
	if (ok_chars) {
		ok_chars_copy = strdup(ok_chars);
		if (ok_chars_copy == NULL) {
			UIerror(ERR_R_MALLOC_FAILURE);
			goto err;
		}
	}
	if (cancel_chars) {
		cancel_chars_copy = strdup(cancel_chars);
		if (cancel_chars_copy == NULL) {
			UIerror(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:
	free(prompt_copy);
	free(action_desc_copy);
	free(ok_chars_copy);
	free(cancel_chars_copy);
	return -1;
}

int
UI_add_info_string(UI *ui, const char *text)
{
	return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
	    NULL);
}

int
UI_dup_info_string(UI *ui, const char *text)
{
	char *text_copy = NULL;

	if (text) {
		text_copy = strdup(text);
		if (text_copy == NULL) {
			UIerror(ERR_R_MALLOC_FAILURE);
			return -1;
		}
	}
	return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL,
	    0, 0, NULL);
}

int
UI_add_error_string(UI *ui, const char *text)
{
	return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
	    NULL);
}

int
UI_dup_error_string(UI *ui, const char *text)
{
	char *text_copy = NULL;

	if (text) {
		text_copy = strdup(text);
		if (text_copy == NULL) {
			UIerror(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;

	if (ui->meth->ui_construct_prompt)
		return ui->meth->ui_construct_prompt(ui, object_desc,
		    object_name);

	if (object_desc == NULL)
		return NULL;

	if (object_name == NULL) {
		if (asprintf(&prompt, "Enter %s:", object_desc) == -1)
			return (NULL);
	} else {
		if (asprintf(&prompt, "Enter %s for %s:", object_desc,
		    object_name) == -1)
			return (NULL);
	}

	return prompt;
}

void *
UI_add_user_data(UI *ui, void *user_data)
{
	void *old_data = ui->user_data;

	ui->user_data = user_data;
	return old_data;
}

void *
UI_get0_user_data(UI *ui)
{
	return ui->user_data;
}

const char *
UI_get0_result(UI *ui, int i)
{
	if (i < 0) {
		UIerror(UI_R_INDEX_TOO_SMALL);
		return NULL;
	}
	if (i >= sk_UI_STRING_num(ui->strings)) {
		UIerror(UI_R_INDEX_TOO_LARGE);
		return NULL;
	}
	return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
}

static int
print_error(const char *str, size_t len, UI *ui)
{
	UI_STRING uis;

	memset(&uis, 0, sizeof(uis));
	uis.type = UIT_ERROR;
	uis.out_string = str;

	if (ui->meth->ui_write_string &&
	    !ui->meth->ui_write_string(ui, &uis))
		return -1;
	return 0;
}

int
UI_process(UI *ui)
{
	int i, ok = 0;

	if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui))
		return -1;

	if (ui->flags & UI_FLAG_PRINT_ERRORS)
		ERR_print_errors_cb(
		    (int (*)(const char *, size_t, void *)) print_error,
		    (void *)ui);

	for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
		if (ui->meth->ui_write_string &&
		    !ui->meth->ui_write_string(ui,
			sk_UI_STRING_value(ui->strings, i))) {
			ok = -1;
			goto err;
		}
	}

	if (ui->meth->ui_flush)
		switch (ui->meth->ui_flush(ui)) {
		case -1:	/* Interrupt/Cancel/something... */
			ok = -2;
			goto err;
		case 0:		/* Errors */
			ok = -1;
			goto err;
		default:	/* Success */
			ok = 0;
			break;
		}

	for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
		if (ui->meth->ui_read_string) {
			switch (ui->meth->ui_read_string(ui,
			    sk_UI_STRING_value(ui->strings, i))) {
			case -1:	/* Interrupt/Cancel/something... */
				ui->flags &= ~UI_FLAG_REDOABLE;
				ok = -2;
				goto err;
			case 0:		/* Errors */
				ok = -1;
				goto err;
			default:	/* Success */
				ok = 0;
				break;
			}
		}
	}

err:
	if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui))
		return -1;
	return ok;
}

int
UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f) (void))
{
	if (ui == NULL) {
		UIerror(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;
	}
	UIerror(UI_R_UNKNOWN_CONTROL_COMMAND);
	return -1;
}

int
UI_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
    CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp,
	    new_func, dup_func, free_func);
}

int
UI_set_ex_data(UI *r, int idx, void *arg)
{
	return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
}

void *
UI_get_ex_data(UI *r, int idx)
{
	return (CRYPTO_get_ex_data(&r->ex_data, idx));
}

void
UI_set_default_method(const UI_METHOD *meth)
{
	default_UI_meth = meth;
}

const UI_METHOD *
UI_get_default_method(void)
{
	if (default_UI_meth == NULL) {
		default_UI_meth = UI_OpenSSL();
	}
	return default_UI_meth;
}

const UI_METHOD *
UI_get_method(UI *ui)
{
	return ui->meth;
}

const UI_METHOD *
UI_set_method(UI *ui, const UI_METHOD *meth)
{
	ui->meth = meth;
	return ui->meth;
}


UI_METHOD *
UI_create_method(char *name)
{
	UI_METHOD *ui_method = calloc(1, sizeof(UI_METHOD));

	if (ui_method && name)
		ui_method->name = strdup(name);

	return ui_method;
}

/* BIG FSCKING WARNING!!!!  If you use this on a statically allocated method
   (that is, it hasn't been allocated using UI_create_method(), you deserve
   anything Murphy can throw at you and more!  You have been warned. */
void
UI_destroy_method(UI_METHOD *ui_method)
{
	free(ui_method->name);
	ui_method->name = NULL;
	free(ui_method);
}

int
UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui))
{
	if (method) {
		method->ui_open_session = opener;
		return 0;
	} else
		return -1;
}

int
UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis))
{
	if (method) {
		method->ui_write_string = writer;
		return 0;
	} else
		return -1;
}

int
UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui))
{
	if (method) {
		method->ui_flush = flusher;
		return 0;
	} else
		return -1;
}

int
UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis))
{
	if (method) {
		method->ui_read_string = reader;
		return 0;
	} else
		return -1;
}

int
UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui))
{
	if (method) {
		method->ui_close_session = closer;
		return 0;
	} else
		return -1;
}

int
UI_method_set_prompt_constructor(UI_METHOD *method,
    char *(*prompt_constructor)(UI *ui, const char *object_desc,
    const char *object_name))
{
	if (method) {
		method->ui_construct_prompt = prompt_constructor;
		return 0;
	} else
		return -1;
}

int
(*UI_method_get_opener(UI_METHOD * method))(UI *)
{
	if (method)
		return method->ui_open_session;
	else
		return NULL;
}

int
(*UI_method_get_writer(UI_METHOD *method))(UI *, UI_STRING *)
{
	if (method)
		return method->ui_write_string;
	else
		return NULL;
}

int
(*UI_method_get_flusher(UI_METHOD *method)) (UI *)
{
	if (method)
		return method->ui_flush;
	else
		return NULL;
}

int
(*UI_method_get_reader(UI_METHOD *method))(UI *, UI_STRING *)
{
	if (method)
		return method->ui_read_string;
	else
		return NULL;
}

int
(*UI_method_get_closer(UI_METHOD *method))(UI *)
{
	if (method)
		return method->ui_close_session;
	else
		return NULL;
}

char *
(*UI_method_get_prompt_constructor(UI_METHOD *method))(UI *, const char *,
    const char *)
{
	if (method)
		return method->ui_construct_prompt;
	else
		return NULL;
}

enum UI_string_types
UI_get_string_type(UI_STRING *uis)
{
	if (!uis)
		return UIT_NONE;
	return uis->type;
}

int
UI_get_input_flags(UI_STRING *uis)
{
	if (!uis)
		return 0;
	return uis->input_flags;
}

const char *
UI_get0_output_string(UI_STRING *uis)
{
	if (!uis)
		return NULL;
	return uis->out_string;
}

const char *
UI_get0_action_string(UI_STRING *uis)
{
	if (!uis)
		return NULL;
	switch (uis->type) {
	case UIT_PROMPT:
	case UIT_BOOLEAN:
		return uis->_.boolean_data.action_desc;
	default:
		return NULL;
	}
}

const char *
UI_get0_result_string(UI_STRING *uis)
{
	if (!uis)
		return NULL;
	switch (uis->type) {
	case UIT_PROMPT:
	case UIT_VERIFY:
		return uis->result_buf;
	default:
		return NULL;
	}
}

const char *
UI_get0_test_string(UI_STRING *uis)
{
	if (!uis)
		return NULL;
	switch (uis->type) {
	case UIT_VERIFY:
		return uis->_.string_data.test_buf;
	default:
		return NULL;
	}
}

int
UI_get_result_minsize(UI_STRING *uis)
{
	if (!uis)
		return -1;
	switch (uis->type) {
	case UIT_PROMPT:
	case UIT_VERIFY:
		return uis->_.string_data.result_minsize;
	default:
		return -1;
	}
}

int
UI_get_result_maxsize(UI_STRING *uis)
{
	if (!uis)
		return -1;
	switch (uis->type) {
	case UIT_PROMPT:
	case UIT_VERIFY:
		return uis->_.string_data.result_maxsize;
	default:
		return -1;
	}
}

int
UI_set_result(UI *ui, UI_STRING *uis, const char *result)
{
	int l = strlen(result);

	ui->flags &= ~UI_FLAG_REDOABLE;

	if (!uis)
		return -1;
	switch (uis->type) {
	case UIT_PROMPT:
	case UIT_VERIFY:
		if (l < uis->_.string_data.result_minsize) {
			ui->flags |= UI_FLAG_REDOABLE;
			UIerror(UI_R_RESULT_TOO_SMALL);
			ERR_asprintf_error_data
			    ("You must type in %d to %d characters",
				uis->_.string_data.result_minsize,
				uis->_.string_data.result_maxsize);
			return -1;
		}
		if (l > uis->_.string_data.result_maxsize) {
			ui->flags |= UI_FLAG_REDOABLE;
			UIerror(UI_R_RESULT_TOO_LARGE);
			ERR_asprintf_error_data
			    ("You must type in %d to %d characters",
				uis->_.string_data.result_minsize,
				uis->_.string_data.result_maxsize);
			return -1;
		}
		if (!uis->result_buf) {
			UIerror(UI_R_NO_RESULT_BUFFER);
			return -1;
		}
		strlcpy(uis->result_buf, result,
		    uis->_.string_data.result_maxsize + 1);
		break;
	case UIT_BOOLEAN:
		{
			const char *p;

			if (!uis->result_buf) {
				UIerror(UI_R_NO_RESULT_BUFFER);
				return -1;
			}
			uis->result_buf[0] = '\0';
			for (p = result; *p; p++) {
				if (strchr(uis->_.boolean_data.ok_chars, *p)) {
					uis->result_buf[0] =
					    uis->_.boolean_data.ok_chars[0];
					break;
				}
				if (strchr(uis->_.boolean_data.cancel_chars, *p)) {
					uis->result_buf[0] =
					    uis->_.boolean_data.cancel_chars[0];
					break;
				}
			}
		default:
			break;
		}
	}
	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ui_lib.c,v 1.32 2017/01/29 17:49:23 beck Exp $ */
2			/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
3			* project 2001.
4			*/
5			/* ====================================================================
6			* Copyright (c) 2001 The OpenSSL Project. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			*
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in
17			* the documentation and/or other materials provided with the
18			* distribution.
19			*
20			* 3. All advertising materials mentioning features or use of this
21			* software must display the following acknowledgment:
22			* "This product includes software developed by the OpenSSL Project
23			* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
24			*
25			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26			* endorse or promote products derived from this software without
27			* prior written permission. For written permission, please contact
28			* openssl-core@openssl.org.
29			*
30			* 5. Products derived from this software may not be called "OpenSSL"
31			* nor may "OpenSSL" appear in their names without prior written
32			* permission of the OpenSSL Project.
33			*
34			* 6. Redistributions of any form whatsoever must retain the following
35			* acknowledgment:
36			* "This product includes software developed by the OpenSSL Project
37			* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
38			*
39			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50			* OF THE POSSIBILITY OF SUCH DAMAGE.
51			* ====================================================================
52			*
53			* This product includes cryptographic software written by Eric Young
54			* (eay@cryptsoft.com). This product includes software written by Tim
55			* Hudson (tjh@cryptsoft.com).
56			*
57			*/
58
59			#include <string.h>
60
61			#include <openssl/opensslconf.h>
62
63			#include <openssl/buffer.h>
64			#include <openssl/err.h>
65			#include <openssl/ui.h>
66
67			#include "ui_locl.h"
68
69			static const UI_METHOD *default_UI_meth = NULL;
70
71			UI *
72			UI_new(void)
73			{
74			return (UI_new_method(NULL));
75			}
76
77			UI *
78			UI_new_method(const UI_METHOD *method)
79			{
80			UI *ret;
81
82			ret = malloc(sizeof(UI));
83			if (ret == NULL) {
84			UIerror(ERR_R_MALLOC_FAILURE);
85			return NULL;
86			}
87			if (method == NULL)
88			ret->meth = UI_get_default_method();
89			else
90			ret->meth = method;
91
92			ret->strings = NULL;
93			ret->user_data = NULL;
94			ret->flags = 0;
95			CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
96			return ret;
97			}
98
99			static void
100			free_string(UI_STRING *uis)
101			{
102			if (uis->flags & OUT_STRING_FREEABLE) {
103			free((char *) uis->out_string);
104			switch (uis->type) {
105			case UIT_BOOLEAN:
106			free((char *)uis->_.boolean_data.action_desc);
107			free((char *)uis->_.boolean_data.ok_chars);
108			free((char *)uis->_.boolean_data.cancel_chars);
109			break;
110			default:
111			break;
112			}
113			}
114			free(uis);
115			}
116
117			void
118			UI_free(UI *ui)
119			{
120			if (ui == NULL)
121			return;
122			sk_UI_STRING_pop_free(ui->strings, free_string);
123			CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
124			free(ui);
125			}
126
127			static int
128			allocate_string_stack(UI *ui)
129			{
130			if (ui->strings == NULL) {
131			ui->strings = sk_UI_STRING_new_null();
132			if (ui->strings == NULL) {
133			return -1;
134			}
135			}
136			return 0;
137			}
138
139			static UI_STRING *
140			general_allocate_prompt(UI ui, const char prompt, int prompt_freeable,
141			enum UI_string_types type, int input_flags, char *result_buf)
142			{
143			UI_STRING *ret = NULL;
144
145			if (prompt == NULL) {
146			UIerror(ERR_R_PASSED_NULL_PARAMETER);
147			} else if ((type == UIT_PROMPT \|\| type == UIT_VERIFY \|\|
148			type == UIT_BOOLEAN) && result_buf == NULL) {
149			UIerror(UI_R_NO_RESULT_BUFFER);
150			} else if ((ret = malloc(sizeof(UI_STRING)))) {
151			ret->out_string = prompt;
152			ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0;
153			ret->input_flags = input_flags;
154			ret->type = type;
155			ret->result_buf = result_buf;
156			}
157			return ret;
158			}
159
160			static int
161			general_allocate_string(UI ui, const char prompt, int prompt_freeable,
162			enum UI_string_types type, int input_flags, char *result_buf, int minsize,
163			int maxsize, const char *test_buf)
164			{
165			int ret = -1;
166			UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,
167			type, input_flags, result_buf);
168
169			if (s) {
170			if (allocate_string_stack(ui) >= 0) {
171			s->_.string_data.result_minsize = minsize;
172			s->_.string_data.result_maxsize = maxsize;
173			s->_.string_data.test_buf = test_buf;
174			ret = sk_UI_STRING_push(ui->strings, s);
175			/* sk_push() returns 0 on error. Let's adapt that */
176			if (ret <= 0)
177			ret--;
178			} else
179			free_string(s);
180			}
181			return ret;
182			}
183
184			static int
185			general_allocate_boolean(UI ui, const char prompt, const char *action_desc,
186			const char ok_chars, const char cancel_chars, int prompt_freeable,
187			enum UI_string_types type, int input_flags, char *result_buf)
188			{
189			int ret = -1;
190			UI_STRING *s;
191			const char *p;
192
193			if (ok_chars == NULL) {
194			UIerror(ERR_R_PASSED_NULL_PARAMETER);
195			} else if (cancel_chars == NULL) {
196			UIerror(ERR_R_PASSED_NULL_PARAMETER);
197			} else {
198			for (p = ok_chars; *p; p++) {
199			if (strchr(cancel_chars, *p)) {
200			UIerror(UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
201			}
202			}
203
204			s = general_allocate_prompt(ui, prompt, prompt_freeable,
205			type, input_flags, result_buf);
206
207			if (s) {
208			if (allocate_string_stack(ui) >= 0) {
209			s->_.boolean_data.action_desc = action_desc;
210			s->_.boolean_data.ok_chars = ok_chars;
211			s->_.boolean_data.cancel_chars = cancel_chars;
212			ret = sk_UI_STRING_push(ui->strings, s);
213			/*
214			* sk_push() returns 0 on error. Let's adapt
215			* that
216			*/
217			if (ret <= 0)
218			ret--;
219			} else
220			free_string(s);
221			}
222			}
223			return ret;
224			}
225
226			/* Returns the index to the place in the stack or -1 for error. Uses a
227			direct reference to the prompt. */
228			int
229			UI_add_input_string(UI ui, const char prompt, int flags, char *result_buf,
230			int minsize, int maxsize)
231			{
232			return general_allocate_string(ui, prompt, 0, UIT_PROMPT, flags,
233			result_buf, minsize, maxsize, NULL);
234			}
235
236			/* Same as UI_add_input_string(), excepts it takes a copy of the prompt */
237			int
238			UI_dup_input_string(UI ui, const char prompt, int flags, char *result_buf,
239			int minsize, int maxsize)
240			{
241			char *prompt_copy = NULL;
242
243			if (prompt) {
244			prompt_copy = strdup(prompt);
245			if (prompt_copy == NULL) {
246			UIerror(ERR_R_MALLOC_FAILURE);
247			return 0;
248			}
249			}
250			return general_allocate_string(ui, prompt_copy, 1, UIT_PROMPT, flags,
251			result_buf, minsize, maxsize, NULL);
252			}
253
254			int
255			UI_add_verify_string(UI ui, const char prompt, int flags, char *result_buf,
256			int minsize, int maxsize, const char *test_buf)
257			{
258			return general_allocate_string(ui, prompt, 0, UIT_VERIFY, flags,
259			result_buf, minsize, maxsize, test_buf);
260			}
261
262			int
263			UI_dup_verify_string(UI ui, const char prompt, int flags,
264			char result_buf, int minsize, int maxsize, const char test_buf)
265			{
266			char *prompt_copy = NULL;
267
268			if (prompt) {
269			prompt_copy = strdup(prompt);
270			if (prompt_copy == NULL) {
271			UIerror(ERR_R_MALLOC_FAILURE);
272			return -1;
273			}
274			}
275			return general_allocate_string(ui, prompt_copy, 1, UIT_VERIFY, flags,
276			result_buf, minsize, maxsize, test_buf);
277			}
278
279			int
280			UI_add_input_boolean(UI ui, const char prompt, const char *action_desc,
281			const char ok_chars, const char cancel_chars, int flags, char *result_buf)
282			{
283			return general_allocate_boolean(ui, prompt, action_desc, ok_chars,
284			cancel_chars, 0, UIT_BOOLEAN, flags, result_buf);
285			}
286
287			int
288			UI_dup_input_boolean(UI ui, const char prompt, const char *action_desc,
289			const char ok_chars, const char cancel_chars, int flags, char *result_buf)
290			{
291			char *prompt_copy = NULL;
292			char *action_desc_copy = NULL;
293			char *ok_chars_copy = NULL;
294			char *cancel_chars_copy = NULL;
295
296			if (prompt) {
297			prompt_copy = strdup(prompt);
298			if (prompt_copy == NULL) {
299			UIerror(ERR_R_MALLOC_FAILURE);
300			goto err;
301			}
302			}
303			if (action_desc) {
304			action_desc_copy = strdup(action_desc);
305			if (action_desc_copy == NULL) {
306			UIerror(ERR_R_MALLOC_FAILURE);
307			goto err;
308			}
309			}
310			if (ok_chars) {
311			ok_chars_copy = strdup(ok_chars);
312			if (ok_chars_copy == NULL) {
313			UIerror(ERR_R_MALLOC_FAILURE);
314			goto err;
315			}
316			}
317			if (cancel_chars) {
318			cancel_chars_copy = strdup(cancel_chars);
319			if (cancel_chars_copy == NULL) {
320			UIerror(ERR_R_MALLOC_FAILURE);
321			goto err;
322			}
323			}
324			return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
325			ok_chars_copy, cancel_chars_copy, 1, UIT_BOOLEAN, flags,
326			result_buf);
327
328			err:
329			free(prompt_copy);
330			free(action_desc_copy);
331			free(ok_chars_copy);
332			free(cancel_chars_copy);
333			return -1;
334			}
335
336			int
337			UI_add_info_string(UI ui, const char text)
338			{
339			return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
340			NULL);
341			}
342
343			int
344			UI_dup_info_string(UI ui, const char text)
345			{
346			char *text_copy = NULL;
347
348			if (text) {
349			text_copy = strdup(text);
350			if (text_copy == NULL) {
351			UIerror(ERR_R_MALLOC_FAILURE);
352			return -1;
353			}
354			}
355			return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL,
356			0, 0, NULL);
357			}
358
359			int
360			UI_add_error_string(UI ui, const char text)
361			{
362			return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
363			NULL);
364			}
365
366			int
367			UI_dup_error_string(UI ui, const char text)
368			{
369			char *text_copy = NULL;
370
371			if (text) {
372			text_copy = strdup(text);
373			if (text_copy == NULL) {
374			UIerror(ERR_R_MALLOC_FAILURE);
375			return -1;
376			}
377			}
378			return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL,
379			0, 0, NULL);
380			}
381
382			char *
383			UI_construct_prompt(UI ui, const char object_desc, const char *object_name)
384			{
385			char *prompt;
386
387			if (ui->meth->ui_construct_prompt)
388			return ui->meth->ui_construct_prompt(ui, object_desc,
389			object_name);
390
391			if (object_desc == NULL)
392			return NULL;
393
394			if (object_name == NULL) {
395			if (asprintf(&prompt, "Enter %s:", object_desc) == -1)
396			return (NULL);
397			} else {
398			if (asprintf(&prompt, "Enter %s for %s:", object_desc,
399			object_name) == -1)
400			return (NULL);
401			}
402
403			return prompt;
404			}
405
406			void *
407			UI_add_user_data(UI ui, void user_data)
408			{
409			void *old_data = ui->user_data;
410
411			ui->user_data = user_data;
412			return old_data;
413			}
414
415			void *
416			UI_get0_user_data(UI *ui)
417			{
418			return ui->user_data;
419			}
420
421			const char *
422			UI_get0_result(UI *ui, int i)
423			{
424			if (i < 0) {
425			UIerror(UI_R_INDEX_TOO_SMALL);
426			return NULL;
427			}
428			if (i >= sk_UI_STRING_num(ui->strings)) {
429			UIerror(UI_R_INDEX_TOO_LARGE);
430			return NULL;
431			}
432			return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
433			}
434
435			static int
436			print_error(const char str, size_t len, UI ui)
437			{
438			UI_STRING uis;
439
440			memset(&uis, 0, sizeof(uis));
441			uis.type = UIT_ERROR;
442			uis.out_string = str;
443
444			if (ui->meth->ui_write_string &&
445			!ui->meth->ui_write_string(ui, &uis))
446			return -1;
447			return 0;
448			}
449
450			int
451			UI_process(UI *ui)
452			{
453			int i, ok = 0;
454
455			if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui))
456			return -1;
457
458			if (ui->flags & UI_FLAG_PRINT_ERRORS)
459			ERR_print_errors_cb(
460			(int ()(const char , size_t, void *)) print_error,
461			(void *)ui);
462
463			for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
464			if (ui->meth->ui_write_string &&
465			!ui->meth->ui_write_string(ui,
466			sk_UI_STRING_value(ui->strings, i))) {
467			ok = -1;
468			goto err;
469			}
470			}
471
472			if (ui->meth->ui_flush)
473			switch (ui->meth->ui_flush(ui)) {
474			case -1: /* Interrupt/Cancel/something... */
475			ok = -2;
476			goto err;
477			case 0: /* Errors */
478			ok = -1;
479			goto err;
480			default: /* Success */
481			ok = 0;
482			break;
483			}
484
485			for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
486			if (ui->meth->ui_read_string) {
487			switch (ui->meth->ui_read_string(ui,
488			sk_UI_STRING_value(ui->strings, i))) {
489			case -1: /* Interrupt/Cancel/something... */
490			ui->flags &= ~UI_FLAG_REDOABLE;
491			ok = -2;
492			goto err;
493			case 0: /* Errors */
494			ok = -1;
495			goto err;
496			default: /* Success */
497			ok = 0;
498			break;
499			}
500			}
501			}
502
503			err:
504			if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui))
505			return -1;
506			return ok;
507			}
508
509			int
510			UI_ctrl(UI ui, int cmd, long i, void p, void (*f) (void))
511			{
512			if (ui == NULL) {
513			UIerror(ERR_R_PASSED_NULL_PARAMETER);
514			return -1;
515			}
516			switch (cmd) {
517			case UI_CTRL_PRINT_ERRORS:
518			{
519			int save_flag = !!(ui->flags & UI_FLAG_PRINT_ERRORS);
520			if (i)
521			ui->flags \|= UI_FLAG_PRINT_ERRORS;
522			else
523			ui->flags &= ~UI_FLAG_PRINT_ERRORS;
524			return save_flag;
525			}
526			case UI_CTRL_IS_REDOABLE:
527			return !!(ui->flags & UI_FLAG_REDOABLE);
528			default:
529			break;
530			}
531			UIerror(UI_R_UNKNOWN_CONTROL_COMMAND);
532			return -1;
533			}
534
535			int
536			UI_get_ex_new_index(long argl, void argp, CRYPTO_EX_new new_func,
537			CRYPTO_EX_dup dup_func, CRYPTO_EX_free free_func)
538			{
539			return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp,
540			new_func, dup_func, free_func);
541			}
542
543			int
544			UI_set_ex_data(UI r, int idx, void arg)
545			{
546			return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
547			}
548
549			void *
550			UI_get_ex_data(UI *r, int idx)
551			{
552			return (CRYPTO_get_ex_data(&r->ex_data, idx));
553			}
554
555			void
556			UI_set_default_method(const UI_METHOD *meth)
557			{
558			default_UI_meth = meth;
559			}
560
561			const UI_METHOD *
562			UI_get_default_method(void)
563			{
564			if (default_UI_meth == NULL) {
565			default_UI_meth = UI_OpenSSL();
566			}
567			return default_UI_meth;
568			}
569
570			const UI_METHOD *
571			UI_get_method(UI *ui)
572			{
573			return ui->meth;
574			}
575
576			const UI_METHOD *
577			UI_set_method(UI ui, const UI_METHOD meth)
578			{
579			ui->meth = meth;
580			return ui->meth;
581			}
582
583
584			UI_METHOD *
585			UI_create_method(char *name)
586			{
587		2786	UI_METHOD *ui_method = calloc(1, sizeof(UI_METHOD));
588
589	✓✗	1393	if (ui_method && name)
590		1393	ui_method->name = strdup(name);
591
592		1393	return ui_method;
593			}
594
595			/* BIG FSCKING WARNING!!!! If you use this on a statically allocated method
596			(that is, it hasn't been allocated using UI_create_method(), you deserve
597			anything Murphy can throw at you and more! You have been warned. */
598			void
599			UI_destroy_method(UI_METHOD *ui_method)
600			{
601		2786	free(ui_method->name);
602		1393	ui_method->name = NULL;
603		1393	free(ui_method);
604		1393	}
605
606			int
607			UI_method_set_opener(UI_METHOD method, int (opener)(UI *ui))
608			{
609	✓✗	2786	if (method) {
610		1393	method->ui_open_session = opener;
611		1393	return 0;
612			} else
613			return -1;
614		1393	}
615
616			int
617			UI_method_set_writer(UI_METHOD method, int (writer)(UI ui, UI_STRING uis))
618			{
619	✓✗	2786	if (method) {
620		1393	method->ui_write_string = writer;
621		1393	return 0;
622			} else
623			return -1;
624		1393	}
625
626			int
627			UI_method_set_flusher(UI_METHOD method, int (flusher)(UI *ui))
628			{
629			if (method) {
630			method->ui_flush = flusher;
631			return 0;
632			} else
633			return -1;
634			}
635
636			int
637			UI_method_set_reader(UI_METHOD method, int (reader)(UI ui, UI_STRING uis))
638			{
639	✓✗	2786	if (method) {
640		1393	method->ui_read_string = reader;
641		1393	return 0;
642			} else
643			return -1;
644		1393	}
645
646			int
647			UI_method_set_closer(UI_METHOD method, int (closer)(UI *ui))
648			{
649	✓✗	2786	if (method) {
650		1393	method->ui_close_session = closer;
651		1393	return 0;
652			} else
653			return -1;
654		1393	}
655
656			int
657			UI_method_set_prompt_constructor(UI_METHOD *method,
658			char (prompt_constructor)(UI ui, const char object_desc,
659			const char *object_name))
660			{
661			if (method) {
662			method->ui_construct_prompt = prompt_constructor;
663			return 0;
664			} else
665			return -1;
666			}
667
668			int
669			(UI_method_get_opener(UI_METHOD method))(UI *)
670			{
671			if (method)
672			return method->ui_open_session;
673			else
674			return NULL;
675			}
676
677			int
678			(UI_method_get_writer(UI_METHOD method))(UI , UI_STRING )
679			{
680			if (method)
681			return method->ui_write_string;
682			else
683			return NULL;
684			}
685
686			int
687			(UI_method_get_flusher(UI_METHOD method)) (UI *)
688			{
689			if (method)
690			return method->ui_flush;
691			else
692			return NULL;
693			}
694
695			int
696			(UI_method_get_reader(UI_METHOD method))(UI , UI_STRING )
697			{
698			if (method)
699			return method->ui_read_string;
700			else
701			return NULL;
702			}
703
704			int
705			(UI_method_get_closer(UI_METHOD method))(UI *)
706			{
707			if (method)
708			return method->ui_close_session;
709			else
710			return NULL;
711			}
712
713			char *
714			(UI_method_get_prompt_constructor(UI_METHOD method))(UI , const char ,
715			const char *)
716			{
717			if (method)
718			return method->ui_construct_prompt;
719			else
720			return NULL;
721			}
722
723			enum UI_string_types
724			UI_get_string_type(UI_STRING *uis)
725			{
726			if (!uis)
727			return UIT_NONE;
728			return uis->type;
729			}
730
731			int
732			UI_get_input_flags(UI_STRING *uis)
733			{
734			if (!uis)
735			return 0;
736			return uis->input_flags;
737			}
738
739			const char *
740			UI_get0_output_string(UI_STRING *uis)
741			{
742			if (!uis)
743			return NULL;
744			return uis->out_string;
745			}
746
747			const char *
748			UI_get0_action_string(UI_STRING *uis)
749			{
750			if (!uis)
751			return NULL;
752			switch (uis->type) {
753			case UIT_PROMPT:
754			case UIT_BOOLEAN:
755			return uis->_.boolean_data.action_desc;
756			default:
757			return NULL;
758			}
759			}
760
761			const char *
762			UI_get0_result_string(UI_STRING *uis)
763			{
764			if (!uis)
765			return NULL;
766			switch (uis->type) {
767			case UIT_PROMPT:
768			case UIT_VERIFY:
769			return uis->result_buf;
770			default:
771			return NULL;
772			}
773			}
774
775			const char *
776			UI_get0_test_string(UI_STRING *uis)
777			{
778			if (!uis)
779			return NULL;
780			switch (uis->type) {
781			case UIT_VERIFY:
782			return uis->_.string_data.test_buf;
783			default:
784			return NULL;
785			}
786			}
787
788			int
789			UI_get_result_minsize(UI_STRING *uis)
790			{
791			if (!uis)
792			return -1;
793			switch (uis->type) {
794			case UIT_PROMPT:
795			case UIT_VERIFY:
796			return uis->_.string_data.result_minsize;
797			default:
798			return -1;
799			}
800			}
801
802			int
803			UI_get_result_maxsize(UI_STRING *uis)
804			{
805			if (!uis)
806			return -1;
807			switch (uis->type) {
808			case UIT_PROMPT:
809			case UIT_VERIFY:
810			return uis->_.string_data.result_maxsize;
811			default:
812			return -1;
813			}
814			}
815
816			int
817			UI_set_result(UI ui, UI_STRING uis, const char *result)
818			{
819			int l = strlen(result);
820
821			ui->flags &= ~UI_FLAG_REDOABLE;
822
823			if (!uis)
824			return -1;
825			switch (uis->type) {
826			case UIT_PROMPT:
827			case UIT_VERIFY:
828			if (l < uis->_.string_data.result_minsize) {
829			ui->flags \|= UI_FLAG_REDOABLE;
830			UIerror(UI_R_RESULT_TOO_SMALL);
831			ERR_asprintf_error_data
832			("You must type in %d to %d characters",
833			uis->_.string_data.result_minsize,
834			uis->_.string_data.result_maxsize);
835			return -1;
836			}
837			if (l > uis->_.string_data.result_maxsize) {
838			ui->flags \|= UI_FLAG_REDOABLE;
839			UIerror(UI_R_RESULT_TOO_LARGE);
840			ERR_asprintf_error_data
841			("You must type in %d to %d characters",
842			uis->_.string_data.result_minsize,
843			uis->_.string_data.result_maxsize);
844			return -1;
845			}
846			if (!uis->result_buf) {
847			UIerror(UI_R_NO_RESULT_BUFFER);
848			return -1;
849			}
850			strlcpy(uis->result_buf, result,
851			uis->_.string_data.result_maxsize + 1);
852			break;
853			case UIT_BOOLEAN:
854			{
855			const char *p;
856
857			if (!uis->result_buf) {
858			UIerror(UI_R_NO_RESULT_BUFFER);
859			return -1;
860			}
861			uis->result_buf[0] = '\0';
862			for (p = result; *p; p++) {
863			if (strchr(uis->_.boolean_data.ok_chars, *p)) {
864			uis->result_buf[0] =
865			uis->_.boolean_data.ok_chars[0];
866			break;
867			}
868			if (strchr(uis->_.boolean_data.cancel_chars, *p)) {
869			uis->result_buf[0] =
870			uis->_.boolean_data.cancel_chars[0];
871			break;
872			}
873			}
874			default:
875			break;
876			}
877			}
878			return 0;
879			}