xref: /onnv-gate/usr/src/lib/libbc/libc/gen/common/pwdauth.c (revision 722:636b850d4ee9)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*
230Sstevel@tonic-gate  * Copyright 1992 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
27*722Smuffin #pragma ident	"%Z%%M%	%I%	%E% SMI"
280Sstevel@tonic-gate 
290Sstevel@tonic-gate #include <stdio.h>
300Sstevel@tonic-gate #include <pwd.h>
310Sstevel@tonic-gate #include <shadow.h>
320Sstevel@tonic-gate #include <errno.h>
330Sstevel@tonic-gate 
340Sstevel@tonic-gate /*
350Sstevel@tonic-gate  * Version to go in the BCP compatibility library in SVr4 version of
360Sstevel@tonic-gate  * SunOS. This does not bother talking to rpc.pwdauthd or looking for the
370Sstevel@tonic-gate  * password.adjunct file on the system since they do not exist anymore.
380Sstevel@tonic-gate  * They have been effectively replaced by a more robust aging security provided
390Sstevel@tonic-gate  * by the combination of /etc/shadow file, shadow support in the NIS+
400Sstevel@tonic-gate  * passwd table and the use of secure RPC in NIS+.
410Sstevel@tonic-gate  */
420Sstevel@tonic-gate 
43*722Smuffin int
pwdauth(char * name,char * password)44*722Smuffin pwdauth(char *name, char *password)
450Sstevel@tonic-gate {
460Sstevel@tonic-gate 	/*
470Sstevel@tonic-gate 	 * this routine authenticates a password for the named user.
480Sstevel@tonic-gate 	 * Assumes the adjunct file does not exist.
490Sstevel@tonic-gate 	 * and therefore checks the passwd "source" using the standard
500Sstevel@tonic-gate 	 * getpwnam(3C) routine that uses /etc/nsswitch.conf(4).
510Sstevel@tonic-gate 	 */
520Sstevel@tonic-gate 
530Sstevel@tonic-gate 	struct passwd	*pwp = NULL;
540Sstevel@tonic-gate 	struct spwd	*spwp = NULL;
550Sstevel@tonic-gate 	char *enpwp;
560Sstevel@tonic-gate 
570Sstevel@tonic-gate 	if (spwp = getspnam(name))
580Sstevel@tonic-gate 		enpwp = spwp->sp_pwdp;
590Sstevel@tonic-gate 	else if (pwp = getpwnam(name))
600Sstevel@tonic-gate 		enpwp = pwp->pw_passwd;
610Sstevel@tonic-gate 	else
620Sstevel@tonic-gate 		/* user is not in main password system */
630Sstevel@tonic-gate 		return (-1);
640Sstevel@tonic-gate 	if (enpwp[0] == '#' && enpwp[1] == '#') {
650Sstevel@tonic-gate 		/* this means that /etc/passwd has problems */
660Sstevel@tonic-gate 		fprintf(stderr, "pwdauth: bad passwd entry for %s\n",
670Sstevel@tonic-gate 		    name);
680Sstevel@tonic-gate 		return (-1);
690Sstevel@tonic-gate 	}
700Sstevel@tonic-gate 	if (strcmp(crypt(password, enpwp), enpwp) == 0)
710Sstevel@tonic-gate 		return (0);
720Sstevel@tonic-gate 	else
730Sstevel@tonic-gate 		return (-1);
740Sstevel@tonic-gate }
75