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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.3 */
     28 
     29 /*LINTLIBRARY*/
     30 /* The real crypt is now _crypt.  This version performs automatic
     31  * authentication via pwauth for special password entries, or simply
     32  * calls _crypt for the usual case.
     33  */
     34 
     35 char *
     36 crypt(pw, salt)
     37 char	*pw, *salt;
     38 {
     39 	static char *iobuf;
     40 	extern char *_crypt();
     41 	extern char *malloc();
     42 
     43 	if (iobuf == 0) {
     44 		iobuf = malloc((unsigned)16);
     45 		if (iobuf == 0)
     46 			return (0);
     47 	}
     48 	/* handle the case where the password is really in passwd.adjunct.
     49 	 * In this case, the salt will start with "##".  We should call
     50 	 * passauth to determine if pw is valid.  If so, we should return
     51 	 * the salt, and otherwise return NULL.  If salt does not start with
     52 	 * "##", crypt will act in the normal fashion.
     53 	 */
     54 	if (salt[0] == '#' && salt[1] == '#') {
     55 		if (pwdauth(salt+2, pw) == 0)
     56 			strcpy(iobuf, salt);
     57 		else
     58 			iobuf[0] = '\0';
     59 		return(iobuf);
     60 	}
     61 	/* handle the case where the password is really in group.adjunct.
     62 	 * In this case, the salt will start with "#$".  We should call
     63 	 * grpauth to determine if pw is valid.  If so, we should return
     64 	 * the salt, and otherwise return NULL.  If salt does not start with
     65 	 * "#$", crypt will act in the normal fashion.
     66 	 */
     67 	if (salt[0] == '#' && salt[1] == '$') {
     68 		if (grpauth(salt+2, pw) == 0)
     69 			strcpy(iobuf, salt);
     70 		else
     71 			iobuf[0] = '\0';
     72 		return(iobuf);
     73 	}
     74 	return (_crypt(pw, salt));
     75 }
     76