openssl/crypto/ui/ui_compat.c

/* crypto/ui/ui_compat.c -*- mode:C; c-file-style: "eay" -*- */
/* This was previously crypto/des/read2pwd.c and partly crypto/des/read_pwd.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <string.h>
#include <openssl/ui_compat.h>

#ifndef OPENSSL_NO_DES
int des_read_password(des_cblock *key, const char *prompt, int verify)
	{
	int ok;
	char buf[BUFSIZ],buff[BUFSIZ];

	if ((ok=des_read_pw(buf,buff,BUFSIZ,prompt,verify)) == 0)
		des_string_to_key(buf,key);
	memset(buf,0,BUFSIZ);
	memset(buff,0,BUFSIZ);
	return(ok);
	}

int des_read_2passwords(des_cblock *key1, des_cblock *key2, const char *prompt,
	     int verify)
	{
	int ok;
	char buf[BUFSIZ],buff[BUFSIZ];

	if ((ok=des_read_pw(buf,buff,BUFSIZ,prompt,verify)) == 0)
		des_string_to_2keys(buf,key1,key2);
	memset(buf,0,BUFSIZ);
	memset(buff,0,BUFSIZ);
	return(ok);
	}
#endif

int des_read_pw_string(char *buf,int length,const char *prompt,int verify)
	{
	char buff[BUFSIZ];
	int ret;

	ret=des_read_pw(buf,buff,(length>BUFSIZ)?BUFSIZ:length,prompt,verify);
	memset(buff,0,BUFSIZ);
	return(ret);
	}

int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify)
	{
	int ok = 0;
	UI *ui;

	ui = UI_new();
	if (ui)
		{
		ok = UI_add_input_string(ui,prompt,0,buf,0,BUFSIZ-1);
		if (ok == 0 && verify)
			ok = UI_add_verify_string(ui,prompt,0,buff,0,BUFSIZ-1,
				buf);
		if (ok == 0)
			ok=UI_process(ui);
		UI_free(ui);
		}
	return(ok);
	}