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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routine.
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*
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* Copyright (C) 1999-2002 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <string.h>
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#include <crypt.h>
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#include "libbb.h"
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extern char *pw_encrypt(const char *clear, const char *salt)
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{
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static char cipher[128];
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char *cp;
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#ifdef CONFIG_FEATURE_SHA1_PASSWORDS
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if (strncmp(salt, "$2$", 3) == 0) {
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return sha1_crypt(clear);
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}
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#endif
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cp = (char *) crypt(clear, salt);
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/* if crypt (a nonstandard crypt) returns a string too large,
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truncate it so we don't overrun buffers and hope there is
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enough security in what's left */
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if (strlen(cp) > sizeof(cipher)-1) {
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cp[sizeof(cipher)-1] = 0;
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}
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strcpy(cipher, cp);
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return cipher;
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}
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