openssl/crypto/ui/ui_util.c
Matt Caswell 90945fa31a Continue standardising malloc style for libcrypto
Continuing from previous commit ensure our style is consistent for malloc
return checks.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
2015-11-09 22:48:41 +00:00

97 lines
3.5 KiB
C

/* crypto/ui/ui_util.c -*- mode:C; c-file-style: "eay" -*- */
/* ====================================================================
* Copyright (c) 2001-2002 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 "ui_locl.h"
#ifndef BUFSIZ
#define BUFSIZ 256
#endif
int UI_UTIL_read_pw_string(char *buf, int length, const char *prompt,
int verify)
{
char buff[BUFSIZ];
int ret;
ret =
UI_UTIL_read_pw(buf, buff, (length > BUFSIZ) ? BUFSIZ : length,
prompt, verify);
OPENSSL_cleanse(buff, BUFSIZ);
return (ret);
}
int UI_UTIL_read_pw(char *buf, char *buff, int size, const char *prompt,
int verify)
{
int ok = 0;
UI *ui;
if (size < 1)
return -1;
ui = UI_new();
if (ui != NULL) {
ok = UI_add_input_string(ui, prompt, 0, buf, 0, size - 1);
if (ok >= 0 && verify)
ok = UI_add_verify_string(ui, prompt, 0, buff, 0, size - 1, buf);
if (ok >= 0)
ok = UI_process(ui);
UI_free(ui);
}
if (ok > 0)
ok = 0;
return (ok);
}