source: branches/stable/mindi-busybox/libbb/pw_encrypt.c @ 821

Last change on this file since 821 was 821, checked in by bruno, 13 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 1.3 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * Utility routine.
4 *
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include "libbb.h"
24#include <string.h>
25#include <crypt.h>
26
27
28char *pw_encrypt(const char *clear, const char *salt)
29{
30    static char cipher[128];
31    char *cp;
32
33#ifdef CONFIG_FEATURE_SHA1_PASSWORDS
34    if (strncmp(salt, "$2$", 3) == 0) {
35        return sha1_crypt(clear);
36    }
37#endif
38    cp = (char *) crypt(clear, salt);
39    /* if crypt (a nonstandard crypt) returns a string too large,
40       truncate it so we don't overrun buffers and hope there is
41       enough security in what's left */
42    safe_strncpy(cipher, cp, sizeof(cipher));
43    return cipher;
44}
45
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