17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*cb5caa98Sdjl  * Common Development and Distribution License (the "License").
6*cb5caa98Sdjl  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
2161961e0fSrobinson 
227c478bd9Sstevel@tonic-gate /*
23e8031f0aSraf  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
2461961e0fSrobinson  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bd9Sstevel@tonic-gate 
29e8031f0aSraf #include "mt.h"
307c478bd9Sstevel@tonic-gate #include <stdio.h>
317c478bd9Sstevel@tonic-gate #include <stdlib.h>
327c478bd9Sstevel@tonic-gate #include <limits.h>
337c478bd9Sstevel@tonic-gate #include <sys/types.h>
347c478bd9Sstevel@tonic-gate #include <nss_dbdefs.h>
357c478bd9Sstevel@tonic-gate #include <string.h>
367c478bd9Sstevel@tonic-gate #include <user_attr.h>
377c478bd9Sstevel@tonic-gate 
387c478bd9Sstevel@tonic-gate /* externs from libc */
397c478bd9Sstevel@tonic-gate extern void _nss_XbyY_fgets(FILE *, nss_XbyY_args_t *);
407c478bd9Sstevel@tonic-gate /* externs from parse.c */
417c478bd9Sstevel@tonic-gate extern char *_strtok_escape(char *, char *, char **);
427c478bd9Sstevel@tonic-gate 
437c478bd9Sstevel@tonic-gate 
447c478bd9Sstevel@tonic-gate static int userattr_stayopen;
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate /*
477c478bd9Sstevel@tonic-gate  * Unsynchronized, but it affects only
487c478bd9Sstevel@tonic-gate  * efficiency, not correctness
497c478bd9Sstevel@tonic-gate  */
507c478bd9Sstevel@tonic-gate 
517c478bd9Sstevel@tonic-gate static DEFINE_NSS_DB_ROOT(db_root);
527c478bd9Sstevel@tonic-gate static DEFINE_NSS_GETENT(context);
537c478bd9Sstevel@tonic-gate 
547c478bd9Sstevel@tonic-gate 
557c478bd9Sstevel@tonic-gate void
_nss_initf_userattr(nss_db_params_t * p)567c478bd9Sstevel@tonic-gate _nss_initf_userattr(nss_db_params_t *p)
577c478bd9Sstevel@tonic-gate {
587c478bd9Sstevel@tonic-gate 	p->name = NSS_DBNAM_USERATTR;
597c478bd9Sstevel@tonic-gate 	p->config_name    = NSS_DBNAM_PASSWD; /* use config for "passwd" */
607c478bd9Sstevel@tonic-gate 	p->default_config = NSS_DEFCONF_USERATTR;
617c478bd9Sstevel@tonic-gate }
627c478bd9Sstevel@tonic-gate 
637c478bd9Sstevel@tonic-gate 
647c478bd9Sstevel@tonic-gate /*
657c478bd9Sstevel@tonic-gate  * Return values: 0 = success, 1 = parse error, 2 = erange ...
667c478bd9Sstevel@tonic-gate  * The structure pointer passed in is a structure in the caller's space
677c478bd9Sstevel@tonic-gate  * wherein the field pointers would be set to areas in the buffer if
687c478bd9Sstevel@tonic-gate  * need be. instring and buffer should be separate areas.
697c478bd9Sstevel@tonic-gate  */
707c478bd9Sstevel@tonic-gate int
str2userattr(const char * instr,int lenstr,void * ent,char * buffer,int buflen)717c478bd9Sstevel@tonic-gate str2userattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen)
727c478bd9Sstevel@tonic-gate {
7361961e0fSrobinson 	char		*last = NULL;
747c478bd9Sstevel@tonic-gate 	char		*sep = KV_TOKEN_DELIMIT;
757c478bd9Sstevel@tonic-gate 	userstr_t	*user = (userstr_t *)ent;
767c478bd9Sstevel@tonic-gate 
7761961e0fSrobinson 	if (lenstr >= buflen)
787c478bd9Sstevel@tonic-gate 		return (NSS_STR_PARSE_ERANGE);
79*cb5caa98Sdjl 
80*cb5caa98Sdjl 	if (instr != buffer)
81*cb5caa98Sdjl 		(void) strncpy(buffer, instr, buflen);
82*cb5caa98Sdjl 
837c478bd9Sstevel@tonic-gate 	/*
847c478bd9Sstevel@tonic-gate 	 * Remove newline that nis (yp_match) puts at the
857c478bd9Sstevel@tonic-gate 	 * end of the entry it retrieves from the map.
867c478bd9Sstevel@tonic-gate 	 */
877c478bd9Sstevel@tonic-gate 	if (buffer[lenstr] == '\n') {
887c478bd9Sstevel@tonic-gate 		buffer[lenstr] = '\0';
897c478bd9Sstevel@tonic-gate 	}
907c478bd9Sstevel@tonic-gate 
91*cb5caa98Sdjl 	/* quick exit do not entry fill if not needed */
92*cb5caa98Sdjl 	if (ent == (void *)NULL)
93*cb5caa98Sdjl 		return (NSS_STR_PARSE_SUCCESS);
94*cb5caa98Sdjl 
957c478bd9Sstevel@tonic-gate 	user->name = _strtok_escape(buffer, sep, &last);
967c478bd9Sstevel@tonic-gate 	user->qualifier = _strtok_escape(NULL, sep, &last);
977c478bd9Sstevel@tonic-gate 	user->res1 = _strtok_escape(NULL, sep, &last);
987c478bd9Sstevel@tonic-gate 	user->res2 = _strtok_escape(NULL, sep, &last);
997c478bd9Sstevel@tonic-gate 	user->attr = _strtok_escape(NULL, sep, &last);
1007c478bd9Sstevel@tonic-gate 
1017c478bd9Sstevel@tonic-gate 	return (0);
1027c478bd9Sstevel@tonic-gate }
1037c478bd9Sstevel@tonic-gate 
1047c478bd9Sstevel@tonic-gate 
1057c478bd9Sstevel@tonic-gate void
_setuserattr(void)1067c478bd9Sstevel@tonic-gate _setuserattr(void)
1077c478bd9Sstevel@tonic-gate {
1087c478bd9Sstevel@tonic-gate 	userattr_stayopen = 0;
1097c478bd9Sstevel@tonic-gate 	nss_setent(&db_root, _nss_initf_userattr, &context);
1107c478bd9Sstevel@tonic-gate }
1117c478bd9Sstevel@tonic-gate 
1127c478bd9Sstevel@tonic-gate 
1137c478bd9Sstevel@tonic-gate void
_enduserattr(void)1147c478bd9Sstevel@tonic-gate _enduserattr(void)
1157c478bd9Sstevel@tonic-gate {
1167c478bd9Sstevel@tonic-gate 	userattr_stayopen = 0;
1177c478bd9Sstevel@tonic-gate 	nss_endent(&db_root, _nss_initf_userattr, &context);
1187c478bd9Sstevel@tonic-gate 	nss_delete(&db_root);
1197c478bd9Sstevel@tonic-gate }
1207c478bd9Sstevel@tonic-gate 
1217c478bd9Sstevel@tonic-gate 
1227c478bd9Sstevel@tonic-gate userstr_t *
_getuserattr(userstr_t * result,char * buffer,int buflen,int * h_errnop)1237c478bd9Sstevel@tonic-gate _getuserattr(userstr_t *result, char *buffer, int buflen, int *h_errnop)
1247c478bd9Sstevel@tonic-gate {
1257c478bd9Sstevel@tonic-gate 	nss_XbyY_args_t arg;
1267c478bd9Sstevel@tonic-gate 	nss_status_t    res;
1277c478bd9Sstevel@tonic-gate 
1287c478bd9Sstevel@tonic-gate 	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr);
1297c478bd9Sstevel@tonic-gate 	res = nss_getent(&db_root, _nss_initf_userattr, &context, &arg);
1307c478bd9Sstevel@tonic-gate 	arg.status = res;
1317c478bd9Sstevel@tonic-gate 	*h_errnop = arg.h_errno;
1327c478bd9Sstevel@tonic-gate 	return ((userstr_t *)NSS_XbyY_FINI(&arg));
1337c478bd9Sstevel@tonic-gate }
1347c478bd9Sstevel@tonic-gate 
1357c478bd9Sstevel@tonic-gate 
1367c478bd9Sstevel@tonic-gate userstr_t *
_fgetuserattr(FILE * f,userstr_t * result,char * buffer,int buflen)1377c478bd9Sstevel@tonic-gate _fgetuserattr(FILE *f, userstr_t *result, char *buffer, int buflen)
1387c478bd9Sstevel@tonic-gate {
1397c478bd9Sstevel@tonic-gate 	nss_XbyY_args_t arg;
1407c478bd9Sstevel@tonic-gate 
1417c478bd9Sstevel@tonic-gate 	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr);
1427c478bd9Sstevel@tonic-gate 	_nss_XbyY_fgets(f, &arg);
1437c478bd9Sstevel@tonic-gate 	return ((userstr_t *)NSS_XbyY_FINI(&arg));
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate 
1467c478bd9Sstevel@tonic-gate 
1477c478bd9Sstevel@tonic-gate 
1487c478bd9Sstevel@tonic-gate userstr_t *
_getusernam(const char * name,userstr_t * result,char * buffer,int buflen,int * errnop)1497c478bd9Sstevel@tonic-gate _getusernam(const char *name, userstr_t *result, char *buffer, int buflen,
1507c478bd9Sstevel@tonic-gate     int *errnop)
1517c478bd9Sstevel@tonic-gate {
1527c478bd9Sstevel@tonic-gate 	nss_XbyY_args_t arg;
1537c478bd9Sstevel@tonic-gate 	nss_status_t    res;
1547c478bd9Sstevel@tonic-gate 
1557c478bd9Sstevel@tonic-gate 	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr);
1567c478bd9Sstevel@tonic-gate 	arg.key.name = name;
1577c478bd9Sstevel@tonic-gate 	arg.stayopen = userattr_stayopen;
1587c478bd9Sstevel@tonic-gate 	res = nss_search(&db_root, _nss_initf_userattr,
1597c478bd9Sstevel@tonic-gate 	    NSS_DBOP_USERATTR_BYNAME, &arg);
1607c478bd9Sstevel@tonic-gate 	arg.status = res;
1617c478bd9Sstevel@tonic-gate 	*errnop = arg.h_errno;
1627c478bd9Sstevel@tonic-gate 	return ((userstr_t *)NSS_XbyY_FINI(&arg));
1637c478bd9Sstevel@tonic-gate }
164