1 /* search.c - /etc/passwd backend search function */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2014 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
17 * All rights reserved.
19 * Redistribution and use in source and binary forms are permitted
20 * provided that this notice is preserved and that due credit is given
21 * to the University of Michigan at Ann Arbor. The name of the University
22 * may not be used to endorse or promote products derived from this
23 * software without specific prior written permission. This software
24 * is provided ``as is'' without express or implied warranty.
27 * This work was originally developed by the University of Michigan
28 * (as part of U-MICH LDAP). Additional significant contributors
30 * Hallvard B. Furuseth
40 #include <ac/socket.h>
41 #include <ac/string.h>
47 #include "back-passwd.h"
49 static void pw_start( Backend *be );
62 time_t stoptime = (time_t)-1;
65 struct berval parent = BER_BVNULL;
67 AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
69 if ( op->ors_tlimit != SLAP_NO_LIMIT ) {
70 stoptime = op->o_time + op->ors_tlimit;
73 /* Handle a query for the base of this backend */
74 if ( be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
77 rs->sr_matched = op->o_req_dn.bv_val;
79 if( op->ors_scope != LDAP_SCOPE_ONELEVEL ) {
80 AttributeDescription *desc = NULL;
84 /* Create an entry corresponding to the base DN */
85 e.e_name.bv_val = ch_strdup( op->o_req_dn.bv_val );
86 e.e_name.bv_len = op->o_req_dn.bv_len;
87 e.e_nname.bv_val = ch_strdup( op->o_req_ndn.bv_val );
88 e.e_nname.bv_len = op->o_req_ndn.bv_len;
90 /* Use the first attribute of the DN
91 * as an attribute within the entry itself.
93 if( ldap_bv2rdn( &op->o_req_dn, &rdn, &next,
94 LDAP_DN_FORMAT_LDAP ) )
96 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
100 if( slap_bv2ad( &rdn[0]->la_attr, &desc, &rs->sr_text )) {
101 rs->sr_err = LDAP_NO_SUCH_OBJECT;
106 attr_merge_normalize_one( &e, desc, &rdn[0]->la_value, NULL );
111 /* Every entry needs an objectclass. We don't really
112 * know if our hardcoded choice here agrees with the
113 * DN that was configured for this backend, but it's
114 * better than nothing.
116 * should be a configuratable item
118 BER_BVSTR( &val, "organizationalUnit" );
119 attr_merge_one( &e, ad_objectClass, &val, NULL );
121 if ( test_filter( op, &e, op->ors_filter ) == LDAP_COMPARE_TRUE ) {
123 rs->sr_attrs = op->ors_attrs;
124 rs->sr_flags = REP_ENTRY_MODIFIABLE;
125 send_search_entry( op, rs );
133 if ( op->ors_scope != LDAP_SCOPE_BASE ) {
134 /* check all our "children" */
136 ldap_pvt_thread_mutex_lock( &passwd_mutex );
137 pw_start( op->o_bd );
138 for ( pw = getpwent(); pw != NULL; pw = getpwent() ) {
141 /* check for abandon */
142 if ( op->o_abandon ) {
144 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
145 return( SLAPD_ABANDON );
148 /* check time limit */
149 if ( op->ors_tlimit != SLAP_NO_LIMIT
150 && slap_get_time() > stoptime )
152 send_ldap_error( op, rs, LDAP_TIMELIMIT_EXCEEDED, NULL );
154 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
158 if ( pw2entry( op->o_bd, pw, &e ) ) {
159 rs->sr_err = LDAP_OTHER;
161 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
165 if ( test_filter( op, &e, op->ors_filter ) == LDAP_COMPARE_TRUE ) {
166 /* check size limit */
167 if ( --op->ors_slimit == -1 ) {
168 send_ldap_error( op, rs, LDAP_SIZELIMIT_EXCEEDED, NULL );
170 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
175 rs->sr_attrs = op->ors_attrs;
176 rs->sr_flags = REP_ENTRY_MODIFIABLE;
177 send_search_entry( op, rs );
185 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
193 if (! be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
194 dnParent( &op->o_req_ndn, &parent );
197 /* This backend is only one layer deep. Don't answer requests for
198 * anything deeper than that.
200 if( !be_issuffix( op->o_bd, &parent ) ) {
202 for( i=0; op->o_bd->be_nsuffix[i].bv_val != NULL; i++ ) {
203 if( dnIsSuffix( &op->o_req_ndn, &op->o_bd->be_nsuffix[i] ) ) {
204 rs->sr_matched = op->o_bd->be_suffix[i].bv_val;
208 rs->sr_err = LDAP_NO_SUCH_OBJECT;
212 if( op->ors_scope == LDAP_SCOPE_ONELEVEL ) {
216 if ( ldap_bv2rdn( &op->o_req_dn, &rdn, &next,
217 LDAP_DN_FORMAT_LDAP ))
219 rs->sr_err = LDAP_OTHER;
223 ldap_pvt_thread_mutex_lock( &passwd_mutex );
224 pw_start( op->o_bd );
225 pw = getpwnam( rdn[0]->la_value.bv_val );
227 rs->sr_matched = parent.bv_val;
228 rs->sr_err = LDAP_NO_SUCH_OBJECT;
229 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
233 rc = pw2entry( op->o_bd, pw, &e );
234 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
236 rs->sr_err = LDAP_OTHER;
240 if ( test_filter( op, &e, op->ors_filter ) == LDAP_COMPARE_TRUE ) {
242 rs->sr_attrs = op->ors_attrs;
243 rs->sr_flags = REP_ENTRY_MODIFIABLE;
244 send_search_entry( op, rs );
254 if( rs->sr_err != LDAP_NO_SUCH_OBJECT ) rs->sr_matched = NULL;
255 send_ldap_result( op, rs );
257 if( rdn != NULL ) ldap_rdnfree( rdn );
269 #ifdef HAVE_SETPWFILE
270 if ( be->be_private != NULL ) {
271 (void) setpwfile( (char *) be->be_private );
273 #endif /* HAVE_SETPWFILE */
277 pw2entry( Backend *be, struct passwd *pw, Entry *e )
286 * from pw we get pw_name and make it cn
287 * give it an objectclass of person.
290 pwlen = strlen( pw->pw_name );
291 val.bv_len = STRLENOF("uid=,") + ( pwlen + be->be_suffix[0].bv_len );
292 val.bv_val = ch_malloc( val.bv_len + 1 );
294 /* rdn attribute type should be a configuratable item */
295 sprintf( val.bv_val, "uid=%s,%s",
296 pw->pw_name, be->be_suffix[0].bv_val );
298 rc = dnNormalize( 0, NULL, NULL, &val, &bv, NULL );
299 if( rc != LDAP_SUCCESS ) {
309 /* objectclasses should be configurable items */
310 BER_BVSTR( &val, "person" );
311 attr_merge_one( e, slap_schema.si_ad_objectClass, &val, NULL );
313 BER_BVSTR( &val, "uidObject" );
314 attr_merge_one( e, slap_schema.si_ad_objectClass, &val, NULL );
316 val.bv_val = pw->pw_name;
318 attr_merge_normalize_one( e, slap_schema.si_ad_uid, &val, NULL ); /* required by uidObject */
319 attr_merge_normalize_one( e, slap_schema.si_ad_cn, &val, NULL ); /* required by person */
320 attr_merge_normalize_one( e, ad_sn, &val, NULL ); /* required by person */
322 #ifdef HAVE_STRUCT_PASSWD_PW_GECOS
324 * if gecos is present, add it as a cn. first process it
325 * according to standard BSD usage. If the processed cn has
326 * a space, use the tail as the surname.
328 if (pw->pw_gecos[0]) {
331 ber_str2bv( pw->pw_gecos, 0, 0, &val );
332 attr_merge_normalize_one( e, ad_desc, &val, NULL );
334 s = ber_bvchr( &val, ',' );
337 s = ber_bvchr( &val, '&' );
341 if( val.bv_len + pwlen < sizeof(buf) ) {
342 int i = s - val.bv_val;
343 strncpy( buf, val.bv_val, i );
345 strcpy( s, pw->pw_name );
346 *s = TOUPPER((unsigned char)*s);
347 strcat( s, val.bv_val + i + 1 );
351 val.bv_len = strlen( val.bv_val );
353 if ( val.bv_len && strcasecmp( val.bv_val, pw->pw_name ) ) {
354 attr_merge_normalize_one( e, slap_schema.si_ad_cn, &val, NULL );
357 if ( ( s = strrchr(val.bv_val, ' ' ) ) ) {
358 ber_str2bv( s + 1, 0, 0, &val );
359 attr_merge_normalize_one( e, ad_sn, &val, NULL );
362 #endif /* HAVE_STRUCT_PASSWD_PW_GECOS */