xref: /freebsd-9.3-release/lib/libcrypt/crypt.c

/*
 * Copyright (c) 1999
 *      Mark Murray.  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.
 *
 * THIS SOFTWARE IS PROVIDED BY MARK MURRAY AND CONTRIBUTORS ``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 MARK MURRAY 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.
 *
 * $FreeBSD: head/lib/libcrypt/crypt.c 51462 1999-09-20 12:45:49Z markm $
 *
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$FreeBSD: head/lib/libcrypt/crypt.c 51462 1999-09-20 12:45:49Z markm $";
#endif /* LIBC_SCCS and not lint */

#include <string.h>
#include "crypt.h"

char *
crypt(char *passwd, char *salt)
{
	if (!strncmp(salt, "$1$", 3))
		return crypt_md5(passwd, salt);
	if (!strncmp(salt, "$3$", 3))
		return crypt_sha(passwd, salt);
#ifdef NONEXPORTABLE_CRYPT
	return crypt_des(passwd, salt);
#else
	return NULL;
#endif
}