1 /* backend.c - routines for dealing with back-end databases */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2006 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.
32 #include <ac/string.h>
33 #include <ac/socket.h>
41 * If a module is configured as dynamic, its header should not
42 * get included into slapd. While this is a general rule and does
43 * not have much of an effect in UNIX, this rule should be adhered
44 * to for Windows, where dynamic object code should not be implicitly
45 * imported into slapd without appropriate __declspec(dllimport) directives.
49 slap_bi_head backendInfo = LDAP_STAILQ_HEAD_INITIALIZER(backendInfo);
52 slap_be_head backendDB = LDAP_STAILQ_HEAD_INITIALIZER(backendDB);
55 backend_init_controls( BackendInfo *bi )
57 if ( bi->bi_controls ) {
60 for ( i = 0; bi->bi_controls[ i ]; i++ ) {
63 if ( slap_find_control_id( bi->bi_controls[ i ], &cid )
64 == LDAP_CONTROL_NOT_FOUND )
66 if ( !( slapMode & SLAP_TOOL_MODE ) ) {
73 bi->bi_ctrls[ cid ] = 1;
80 int backend_init(void)
85 if((nBackendInfo != 0) || !LDAP_STAILQ_EMPTY(&backendInfo)) {
86 /* already initialized */
87 Debug( LDAP_DEBUG_ANY,
88 "backend_init: already initialized\n", 0, 0, 0 );
92 for( bi=slap_binfo; bi->bi_type != NULL; bi++,nBackendInfo++ ) {
93 assert( bi->bi_init != 0 );
95 rc = bi->bi_init( bi );
98 Debug( LDAP_DEBUG_ANY,
99 "backend_init: initialized for type \"%s\"\n",
101 /* destroy those we've already inited */
106 if ( slap_binfo[nBackendInfo].bi_destroy ) {
107 slap_binfo[nBackendInfo].bi_destroy(
108 &slap_binfo[nBackendInfo] );
114 LDAP_STAILQ_INSERT_TAIL(&backendInfo, bi, bi_next);
117 if ( nBackendInfo > 0) {
125 Debug( LDAP_DEBUG_ANY,
126 "backend_init: failed\n",
130 #endif /* SLAPD_MODULES */
133 int backend_add(BackendInfo *aBackendInfo)
137 if ( aBackendInfo->bi_init == NULL ) {
138 Debug( LDAP_DEBUG_ANY, "backend_add: "
139 "backend type \"%s\" does not have the (mandatory)init function\n",
140 aBackendInfo->bi_type, 0, 0 );
144 rc = aBackendInfo->bi_init(aBackendInfo);
146 Debug( LDAP_DEBUG_ANY,
147 "backend_add: initialization for type \"%s\" failed\n",
148 aBackendInfo->bi_type, 0, 0 );
152 (void)backend_init_controls( aBackendInfo );
154 /* now add the backend type to the Backend Info List */
155 LDAP_STAILQ_INSERT_TAIL( &backendInfo, aBackendInfo, bi_next );
161 backend_set_controls( BackendDB *be )
163 BackendInfo *bi = be->bd_info;
165 /* back-relay takes care of itself; so may do other */
166 if ( overlay_is_over( be ) ) {
167 bi = ((slap_overinfo *)be->bd_info->bi_private)->oi_orig;
170 if ( bi->bi_controls ) {
171 if ( be->be_ctrls[ SLAP_MAX_CIDS ] == 0 ) {
172 AC_MEMCPY( be->be_ctrls, bi->bi_ctrls,
173 sizeof( be->be_ctrls ) );
174 be->be_ctrls[ SLAP_MAX_CIDS ] = 1;
179 for ( i = 0; i < SLAP_MAX_CIDS; i++ ) {
180 if ( bi->bi_ctrls[ i ] ) {
181 be->be_ctrls[ i ] = bi->bi_ctrls[ i ];
191 /* startup a specific backend database */
192 int backend_startup_one(Backend *be)
196 assert( be != NULL );
198 be->be_pending_csn_list = (struct be_pcl *)
199 ch_calloc( 1, sizeof( struct be_pcl ) );
201 LDAP_TAILQ_INIT( be->be_pending_csn_list );
203 Debug( LDAP_DEBUG_TRACE,
204 "backend_startup_one: starting \"%s\"\n",
205 be->be_suffix ? be->be_suffix[0].bv_val : "(unknown)",
208 /* set database controls */
209 (void)backend_set_controls( be );
211 if ( be->bd_info->bi_db_open ) {
212 rc = be->bd_info->bi_db_open( be );
214 (void)backend_set_controls( be );
217 Debug( LDAP_DEBUG_ANY,
218 "backend_startup_one: bi_db_open failed! (%d)\n",
226 int backend_startup(Backend *be)
232 if( ! ( nBackendDB > 0 ) ) {
234 Debug( LDAP_DEBUG_ANY,
235 "backend_startup: %d databases to startup.\n",
241 if ( be->bd_info->bi_open ) {
242 rc = be->bd_info->bi_open( be->bd_info );
244 Debug( LDAP_DEBUG_ANY,
245 "backend_startup: bi_open failed!\n",
251 /* append global access controls */
252 acl_append( &be->be_acl, frontendDB->be_acl, -1 );
254 return backend_startup_one( be );
257 /* open frontend, if required */
258 if ( frontendDB->bd_info->bi_db_open ) {
259 rc = frontendDB->bd_info->bi_db_open( frontendDB );
261 Debug( LDAP_DEBUG_ANY,
262 "backend_startup: bi_db_open(frontend) failed! (%d)\n",
268 /* open each backend type */
270 LDAP_STAILQ_FOREACH(bi, &backendInfo, bi_next) {
272 if( bi->bi_nDB == 0) {
273 /* no database of this type, don't open */
278 rc = bi->bi_open( bi );
280 Debug( LDAP_DEBUG_ANY,
281 "backend_startup: bi_open %d (%s) failed!\n",
287 (void)backend_init_controls( bi );
290 /* open each backend database */
292 LDAP_STAILQ_FOREACH(be, &backendDB, be_next) {
294 if ( be->be_suffix == NULL ) {
295 Debug( LDAP_DEBUG_ANY,
296 "backend_startup: warning, database %d (%s) "
298 i, be->bd_info->bi_type, 0 );
300 /* append global access controls */
301 acl_append( &be->be_acl, frontendDB->be_acl, -1 );
303 rc = backend_startup_one( be );
311 int backend_num( Backend *be )
316 if( be == NULL ) return -1;
318 LDAP_STAILQ_FOREACH( b2, &backendDB, be_next ) {
319 if( be == b2 ) return i;
325 int backend_shutdown( Backend *be )
331 /* shutdown a specific backend database */
333 if ( be->bd_info->bi_nDB == 0 ) {
334 /* no database of this type, we never opened it */
338 if ( be->bd_info->bi_db_close ) {
339 be->bd_info->bi_db_close( be );
342 if( be->bd_info->bi_close ) {
343 be->bd_info->bi_close( be->bd_info );
349 /* close each backend database */
350 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
351 if ( be->bd_info->bi_db_close ) {
352 be->bd_info->bi_db_close( be );
356 Debug( LDAP_DEBUG_ANY,
357 "backend_close: bi_db_close %s failed!\n",
362 /* close each backend type */
363 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
364 if( bi->bi_nDB == 0 ) {
365 /* no database of this type */
374 /* close frontend, if required */
375 if ( frontendDB->bd_info->bi_db_close ) {
376 rc = frontendDB->bd_info->bi_db_close ( frontendDB );
378 Debug( LDAP_DEBUG_ANY,
379 "backend_startup: bi_db_close(frontend) failed! (%d)\n",
388 * This function is supposed to be the exact counterpart
389 * of backend_startup_one(), although this one calls bi_db_destroy()
390 * while backend_startup_one() calls bi_db_open().
392 * Make sure backend_stopdown_one() destroys resources allocated
393 * by backend_startup_one(); only call backend_destroy_one() when
394 * all stuff in a BackendDB needs to be destroyed
397 backend_stopdown_one( BackendDB *bd )
399 if ( bd->be_pending_csn_list ) {
400 struct slap_csn_entry *csne;
401 csne = LDAP_TAILQ_FIRST( bd->be_pending_csn_list );
403 struct slap_csn_entry *tmp_csne = csne;
405 LDAP_TAILQ_REMOVE( bd->be_pending_csn_list, csne, ce_csn_link );
406 ch_free( csne->ce_csn.bv_val );
407 csne = LDAP_TAILQ_NEXT( csne, ce_csn_link );
410 ch_free( bd->be_pending_csn_list );
413 if ( bd->bd_info->bi_db_destroy ) {
414 bd->bd_info->bi_db_destroy( bd );
418 void backend_destroy_one( BackendDB *bd, int dynamic )
421 LDAP_STAILQ_REMOVE(&backendDB, bd, slap_backend_db, be_next );
424 if ( bd->be_syncinfo ) {
425 syncinfo_free( bd->be_syncinfo );
428 backend_stopdown_one( bd );
430 ber_bvarray_free( bd->be_suffix );
431 ber_bvarray_free( bd->be_nsuffix );
432 if ( !BER_BVISNULL( &bd->be_rootdn ) ) {
433 free( bd->be_rootdn.bv_val );
435 if ( !BER_BVISNULL( &bd->be_rootndn ) ) {
436 free( bd->be_rootndn.bv_val );
438 if ( !BER_BVISNULL( &bd->be_rootpw ) ) {
439 free( bd->be_rootpw.bv_val );
441 acl_destroy( bd->be_acl, frontendDB->be_acl );
442 limits_destroy( bd->be_limits );
443 if ( bd->be_replogfile ) {
444 ch_free( bd->be_replogfile );
446 if ( bd->be_replica_argsfile ) {
447 ch_free( bd->be_replica_argsfile );
449 if ( bd->be_replica_pidfile ) {
450 ch_free( bd->be_replica_pidfile );
452 destroy_replica_info( bd );
453 if ( !BER_BVISNULL( &bd->be_update_ndn ) ) {
454 ch_free( bd->be_update_ndn.bv_val );
456 if ( bd->be_update_refs ) {
457 ber_bvarray_free( bd->be_update_refs );
465 int backend_destroy(void)
470 /* destroy each backend database */
471 while (( bd = LDAP_STAILQ_FIRST(&backendDB))) {
472 backend_destroy_one( bd, 1 );
475 /* destroy each backend type */
476 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
477 if( bi->bi_destroy ) {
478 bi->bi_destroy( bi );
483 LDAP_STAILQ_INIT(&backendInfo);
485 /* destroy frontend database */
488 if ( bd->bd_info->bi_db_destroy ) {
489 bd->bd_info->bi_db_destroy( bd );
491 ber_bvarray_free( bd->be_suffix );
492 ber_bvarray_free( bd->be_nsuffix );
493 if ( !BER_BVISNULL( &bd->be_rootdn ) ) {
494 free( bd->be_rootdn.bv_val );
496 if ( !BER_BVISNULL( &bd->be_rootndn ) ) {
497 free( bd->be_rootndn.bv_val );
499 if ( !BER_BVISNULL( &bd->be_rootpw ) ) {
500 free( bd->be_rootpw.bv_val );
502 acl_destroy( bd->be_acl, frontendDB->be_acl );
504 if ( bd->be_replogfile != NULL ) {
505 free( bd->be_replogfile );
507 if ( bd->be_replica_argsfile ) {
508 ch_free( bd->be_replica_argsfile );
510 if ( bd->be_replica_pidfile ) {
511 ch_free( bd->be_replica_pidfile );
513 assert( bd->be_replica == NULL );
519 BackendInfo* backend_info(const char *type)
523 /* search for the backend type */
524 LDAP_STAILQ_FOREACH(bi,&backendInfo,bi_next) {
525 if( strcasecmp(bi->bi_type, type) == 0 ) {
539 BackendInfo *bi = backend_info(type);
543 fprintf( stderr, "Unrecognized database type (%s)\n", type );
547 /* If be is provided, treat it as private. Otherwise allocate
548 * one and add it to the global list.
551 be = ch_calloc( 1, sizeof(Backend) );
553 LDAP_STAILQ_INSERT_TAIL(&backendDB, be, be_next);
558 be->be_def_limit = frontendDB->be_def_limit;
559 be->be_dfltaccess = frontendDB->be_dfltaccess;
561 be->be_restrictops = frontendDB->be_restrictops;
562 be->be_requires = frontendDB->be_requires;
563 be->be_ssf_set = frontendDB->be_ssf_set;
565 be->be_pcl_mutexp = &be->be_pcl_mutex;
566 ldap_pvt_thread_mutex_init( be->be_pcl_mutexp );
568 /* assign a default depth limit for alias deref */
569 be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
571 if ( bi->bi_db_init ) {
572 rc = bi->bi_db_init( be );
576 fprintf( stderr, "database init failed (%s)\n", type );
590 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
591 if ( be->bd_info->bi_db_close ) {
592 be->bd_info->bi_db_close( be );
596 if ( frontendDB->bd_info->bi_db_close ) {
597 frontendDB->bd_info->bi_db_close( frontendDB );
609 ber_len_t len, dnlen = dn->bv_len;
610 Backend *be, *b2 = NULL;
612 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
613 if ( be->be_nsuffix == NULL || SLAP_DBHIDDEN( be )) {
617 for ( j = 0; !BER_BVISNULL( &be->be_nsuffix[j] ); j++ )
619 if ( ( SLAP_GLUE_SUBORDINATE( be ) ) && noSubs )
624 len = be->be_nsuffix[j].bv_len;
627 /* suffix is longer than DN */
632 * input DN is normalized, so the separator check
633 * need not look at escaping
635 if ( len && len < dnlen &&
636 !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] ))
641 if ( strcmp( be->be_nsuffix[j].bv_val,
642 &dn->bv_val[dnlen-len] ) == 0 )
647 if( manageDSAit && len == dnlen &&
648 !SLAP_GLUE_SUBORDINATE( be ) ) {
652 /* If any parts of the tree are glued, use the first
653 * match regardless of manageDSAit. Otherwise use the
656 if( !( SLAP_DBFLAGS( be ) & ( SLAP_DBFLAG_GLUE_INSTANCE |
657 SLAP_DBFLAG_GLUE_SUBORDINATE )))
671 struct berval *bvsuffix )
675 if ( be->be_nsuffix == NULL ) {
679 for ( i = 0; !BER_BVISNULL( &be->be_nsuffix[i] ); i++ ) {
680 if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) {
689 be_isroot_dn( Backend *be, struct berval *ndn )
691 if ( BER_BVISEMPTY( ndn ) || BER_BVISEMPTY( &be->be_rootndn ) ) {
695 return dn_match( &be->be_rootndn, ndn );
699 be_slurp_update( Operation *op )
701 return ( SLAP_SLURP_SHADOW( op->o_bd ) &&
702 be_isupdate_dn( op->o_bd, &op->o_ndn ) );
706 be_shadow_update( Operation *op )
708 /* This assumes that all internal ops (connid == -1) on a syncrepl
709 * database are syncrepl operations.
711 return (( SLAP_SYNC_SHADOW( op->o_bd ) && op->o_connid == -1 ) ||
712 ( SLAP_SHADOW( op->o_bd ) && be_isupdate_dn( op->o_bd, &op->o_ndn ) ) );
716 be_isupdate_dn( Backend *be, struct berval *ndn )
718 if ( BER_BVISEMPTY( ndn ) || BER_BVISEMPTY( &be->be_update_ndn ) ) {
722 return dn_match( &be->be_update_ndn, ndn );
726 be_root_dn( Backend *be )
728 return &be->be_rootdn;
732 be_isroot( Operation *op )
734 return be_isroot_dn( op->o_bd, &op->o_ndn );
738 be_isroot_pw( Operation *op )
742 if ( ! be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) {
746 if ( BER_BVISEMPTY( &op->o_bd->be_rootpw ) ) {
751 ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind,
752 op->o_conn->c_sasl_authctx, NULL );
755 result = lutil_passwd( &op->o_bd->be_rootpw, &op->orb_cred, NULL, NULL );
758 ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind, NULL, NULL );
770 if ( op->o_bd->be_release ) {
771 /* free and release entry from backend */
772 return op->o_bd->be_release( op, e, rw );
781 backend_unbind( Operation *op, SlapReply *rs )
785 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
786 if ( be->be_unbind ) {
788 be->be_unbind( op, rs );
796 backend_connection_init(
801 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
802 if ( be->be_connection_init ) {
803 be->be_connection_init( be, conn );
811 backend_connection_destroy(
816 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
817 if ( be->be_connection_destroy ) {
818 be->be_connection_destroy( be, conn);
826 backend_check_controls(
830 LDAPControl **ctrls = op->o_ctrls;
831 rs->sr_err = LDAP_SUCCESS;
834 for( ; *ctrls != NULL ; ctrls++ ) {
837 switch ( slap_global_control( op, (*ctrls)->ldctl_oid, &cid ) ) {
838 case LDAP_CONTROL_NOT_FOUND:
839 /* unrecognized control */
840 if ( (*ctrls)->ldctl_iscritical ) {
841 /* should not be reachable */
842 Debug( LDAP_DEBUG_ANY, "backend_check_controls: "
843 "unrecognized critical control: %s\n",
844 (*ctrls)->ldctl_oid, 0, 0 );
847 Debug( LDAP_DEBUG_TRACE, "backend_check_controls: "
848 "unrecognized non-critical control: %s\n",
849 (*ctrls)->ldctl_oid, 0, 0 );
853 case LDAP_COMPARE_FALSE:
854 if ( !op->o_bd->be_ctrls[cid] && (*ctrls)->ldctl_iscritical ) {
855 /* RFC 4511 allows unavailableCriticalExtension to be
856 * returned when the server is unwilling to perform
857 * an operation extended by a recognized critical
860 rs->sr_text = "critical control unavailable in context";
861 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
866 case LDAP_COMPARE_TRUE:
871 Debug( LDAP_DEBUG_ANY,
872 "backend_check_controls: unable to check control: %s\n",
873 (*ctrls)->ldctl_oid, 0, 0 );
876 rs->sr_text = "unable to check control";
877 rs->sr_err = LDAP_OTHER;
883 #if 0 /* temporarily removed */
884 /* check should be generalized */
885 if( get_relax(op) && !be_isroot(op)) {
886 rs->sr_text = "requires manager authorization";
887 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
896 backend_check_restrictions(
899 struct berval *opdata )
901 slap_mask_t restrictops;
902 slap_mask_t requires;
904 slap_mask_t exopflag = 0;
911 int rc = SLAP_CB_CONTINUE;
913 if ( op->o_bd->be_chk_controls ) {
914 rc = ( *op->o_bd->be_chk_controls )( op, rs );
917 if ( rc == SLAP_CB_CONTINUE ) {
918 rc = backend_check_controls( op, rs );
921 if ( rc != LDAP_SUCCESS ) {
925 restrictops = op->o_bd->be_restrictops;
926 requires = op->o_bd->be_requires;
927 ssf = &op->o_bd->be_ssf_set;
930 restrictops = frontendDB->be_restrictops;
931 requires = frontendDB->be_requires;
932 ssf = &frontendDB->be_ssf_set;
935 switch( op->o_tag ) {
937 opflag = SLAP_RESTRICT_OP_ADD;
941 opflag = SLAP_RESTRICT_OP_BIND;
944 case LDAP_REQ_COMPARE:
945 opflag = SLAP_RESTRICT_OP_COMPARE;
947 case LDAP_REQ_DELETE:
949 opflag = SLAP_RESTRICT_OP_DELETE;
951 case LDAP_REQ_EXTENDED:
952 opflag = SLAP_RESTRICT_OP_EXTENDED;
955 /* treat unspecified as a modify */
956 opflag = SLAP_RESTRICT_OP_MODIFY;
961 if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) {
964 exopflag = SLAP_RESTRICT_EXOP_START_TLS;
968 if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) {
969 exopflag = SLAP_RESTRICT_EXOP_WHOAMI;
973 if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) {
974 exopflag = SLAP_RESTRICT_EXOP_CANCEL;
978 if ( bvmatch( opdata, &slap_EXOP_MODIFY_PASSWD ) ) {
979 exopflag = SLAP_RESTRICT_EXOP_MODIFY_PASSWD;
984 /* treat everything else as a modify */
985 opflag = SLAP_RESTRICT_OP_MODIFY;
989 case LDAP_REQ_MODIFY:
991 opflag = SLAP_RESTRICT_OP_MODIFY;
993 case LDAP_REQ_RENAME:
995 opflag = SLAP_RESTRICT_OP_RENAME;
997 case LDAP_REQ_SEARCH:
998 opflag = SLAP_RESTRICT_OP_SEARCH;
1000 case LDAP_REQ_UNBIND:
1005 rs->sr_text = "restrict operations internal error";
1006 rs->sr_err = LDAP_OTHER;
1011 /* these checks don't apply to StartTLS */
1013 rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
1014 if( op->o_transport_ssf < ssf->sss_transport ) {
1015 rs->sr_text = op->o_transport_ssf
1016 ? "stronger transport confidentiality required"
1017 : "transport confidentiality required";
1021 if( op->o_tls_ssf < ssf->sss_tls ) {
1022 rs->sr_text = op->o_tls_ssf
1023 ? "stronger TLS confidentiality required"
1024 : "TLS confidentiality required";
1029 if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) {
1030 /* simple bind specific check */
1031 if( op->o_ssf < ssf->sss_simple_bind ) {
1032 rs->sr_text = op->o_ssf
1033 ? "stronger confidentiality required"
1034 : "confidentiality required";
1039 if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) {
1040 /* these checks don't apply to SASL bind */
1042 if( op->o_sasl_ssf < ssf->sss_sasl ) {
1043 rs->sr_text = op->o_sasl_ssf
1044 ? "stronger SASL confidentiality required"
1045 : "SASL confidentiality required";
1049 if( op->o_ssf < ssf->sss_ssf ) {
1050 rs->sr_text = op->o_ssf
1051 ? "stronger confidentiality required"
1052 : "confidentiality required";
1058 if( op->o_transport_ssf < ssf->sss_update_transport ) {
1059 rs->sr_text = op->o_transport_ssf
1060 ? "stronger transport confidentiality required for update"
1061 : "transport confidentiality required for update";
1065 if( op->o_tls_ssf < ssf->sss_update_tls ) {
1066 rs->sr_text = op->o_tls_ssf
1067 ? "stronger TLS confidentiality required for update"
1068 : "TLS confidentiality required for update";
1072 if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
1073 rs->sr_text = op->o_sasl_ssf
1074 ? "stronger SASL confidentiality required for update"
1075 : "SASL confidentiality required for update";
1079 if( op->o_ssf < ssf->sss_update_ssf ) {
1080 rs->sr_text = op->o_ssf
1081 ? "stronger confidentiality required for update"
1082 : "confidentiality required for update";
1086 if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) &&
1087 BER_BVISEMPTY( &op->o_ndn ) )
1089 rs->sr_text = "modifications require authentication";
1090 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1094 #ifdef SLAP_X_LISTENER_MOD
1095 if ( op->o_conn->c_listener &&
1096 ! ( op->o_conn->c_listener->sl_perms & ( !BER_BVISEMPTY( &op->o_ndn )
1097 ? (S_IWUSR|S_IWOTH) : S_IWOTH ) ) )
1099 /* no "w" mode means readonly */
1100 rs->sr_text = "modifications not allowed on this listener";
1101 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1104 #endif /* SLAP_X_LISTENER_MOD */
1109 /* these checks don't apply to Bind, StartTLS, or Unbind */
1111 if( requires & SLAP_REQUIRE_STRONG ) {
1112 /* should check mechanism */
1113 if( ( op->o_transport_ssf < ssf->sss_transport
1114 && op->o_authtype == LDAP_AUTH_SIMPLE )
1115 || BER_BVISEMPTY( &op->o_dn ) )
1117 rs->sr_text = "strong(er) authentication required";
1118 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1123 if( requires & SLAP_REQUIRE_SASL ) {
1124 if( op->o_authtype != LDAP_AUTH_SASL || BER_BVISEMPTY( &op->o_dn ) ) {
1125 rs->sr_text = "SASL authentication required";
1126 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1131 if( requires & SLAP_REQUIRE_AUTHC ) {
1132 if( BER_BVISEMPTY( &op->o_dn ) ) {
1133 rs->sr_text = "authentication required";
1134 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1139 if( requires & SLAP_REQUIRE_BIND ) {
1141 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
1142 version = op->o_conn->c_protocol;
1143 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
1146 /* no bind has occurred */
1147 rs->sr_text = "BIND required";
1148 rs->sr_err = LDAP_OPERATIONS_ERROR;
1153 if( requires & SLAP_REQUIRE_LDAP_V3 ) {
1154 if( op->o_protocol < LDAP_VERSION3 ) {
1155 /* no bind has occurred */
1156 rs->sr_text = "operation restricted to LDAPv3 clients";
1157 rs->sr_err = LDAP_OPERATIONS_ERROR;
1162 #ifdef SLAP_X_LISTENER_MOD
1163 if ( !starttls && BER_BVISEMPTY( &op->o_dn ) ) {
1164 if ( op->o_conn->c_listener &&
1165 !( op->o_conn->c_listener->sl_perms & S_IXOTH ))
1167 /* no "x" mode means bind required */
1168 rs->sr_text = "bind required on this listener";
1169 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1174 if ( !starttls && !updateop ) {
1175 if ( op->o_conn->c_listener &&
1176 !( op->o_conn->c_listener->sl_perms &
1177 ( !BER_BVISEMPTY( &op->o_dn )
1178 ? (S_IRUSR|S_IROTH) : S_IROTH )))
1180 /* no "r" mode means no read */
1181 rs->sr_text = "read not allowed on this listener";
1182 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1186 #endif /* SLAP_X_LISTENER_MOD */
1190 if( ( restrictops & opflag )
1191 || ( exopflag && ( restrictops & exopflag ) ) ) {
1192 if( ( restrictops & SLAP_RESTRICT_OP_MASK) == SLAP_RESTRICT_OP_READS ) {
1193 rs->sr_text = "read operations restricted";
1194 } else if ( restrictops & exopflag ) {
1195 rs->sr_text = "extended operation restricted";
1197 rs->sr_text = "operation restricted";
1199 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1203 rs->sr_err = LDAP_SUCCESS;
1207 int backend_check_referrals( Operation *op, SlapReply *rs )
1209 rs->sr_err = LDAP_SUCCESS;
1211 if( op->o_bd->be_chk_referrals ) {
1212 rs->sr_err = op->o_bd->be_chk_referrals( op, rs );
1214 if( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL ) {
1215 send_ldap_result( op, rs );
1227 AttributeDescription *at,
1233 if ( op->o_bd == NULL ) {
1234 return LDAP_NO_SUCH_OBJECT;
1237 if ( op->o_bd->be_fetch ) {
1238 return op->o_bd->be_fetch( op, ndn, oc, at, rw, e );
1241 return LDAP_UNWILLING_TO_PERFORM;
1248 struct berval *gr_ndn,
1249 struct berval *op_ndn,
1250 ObjectClass *group_oc,
1251 AttributeDescription *group_at )
1254 void *o_priv = op->o_private, *e_priv = NULL;
1258 Backend *be = op->o_bd;
1260 op->o_bd = select_backend( gr_ndn, 0, 0 );
1262 for ( g = op->o_groups; g; g = g->ga_next ) {
1263 if ( g->ga_be != op->o_bd || g->ga_oc != group_oc ||
1264 g->ga_at != group_at || g->ga_len != gr_ndn->bv_len )
1268 if ( strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0 ) {
1278 if ( target && dn_match( &target->e_nname, gr_ndn ) ) {
1282 op->o_private = NULL;
1283 rc = be_entry_get_rw( op, gr_ndn, group_oc, group_at, 0, &e );
1284 e_priv = op->o_private;
1285 op->o_private = o_priv;
1288 a = attr_find( e->e_attrs, group_at );
1290 /* If the attribute is a subtype of labeledURI, treat this as
1291 * a dynamic group ala groupOfURLs
1293 if (is_at_subtype( group_at->ad_type,
1294 slap_schema.si_ad_labeledURI->ad_type ) )
1298 struct berval bv, nbase;
1301 void *user_priv = NULL;
1302 Backend *b2 = op->o_bd;
1304 if ( target && dn_match( &target->e_nname, op_ndn ) ) {
1307 op->o_bd = select_backend( op_ndn, 0, 0 );
1308 op->o_private = NULL;
1309 rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user );
1310 user_priv = op->o_private;
1311 op->o_private = o_priv;
1315 rc = LDAP_COMPARE_FALSE;
1316 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
1317 if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) !=
1322 BER_BVZERO( &nbase );
1323 /* host part must be empty */
1324 /* attrs and extensions parts must be empty */
1325 if ( ( ludp->lud_host && *ludp->lud_host ) ||
1326 ludp->lud_attrs || ludp->lud_exts )
1330 ber_str2bv( ludp->lud_dn, 0, 0, &bv );
1331 if ( dnNormalize( 0, NULL, NULL, &bv, &nbase,
1332 op->o_tmpmemctx ) != LDAP_SUCCESS )
1336 switch ( ludp->lud_scope ) {
1337 case LDAP_SCOPE_BASE:
1338 if ( !dn_match( &nbase, op_ndn ) ) {
1342 case LDAP_SCOPE_ONELEVEL:
1343 dnParent( op_ndn, &bv );
1344 if ( !dn_match( &nbase, &bv ) ) {
1348 case LDAP_SCOPE_SUBTREE:
1349 if ( !dnIsSuffix( op_ndn, &nbase ) ) {
1353 case LDAP_SCOPE_SUBORDINATE:
1354 if ( dn_match( &nbase, op_ndn ) ||
1355 !dnIsSuffix( op_ndn, &nbase ) )
1360 filter = str2filter_x( op, ludp->lud_filter );
1362 if ( test_filter( NULL, user, filter ) ==
1367 filter_free_x( op, filter );
1370 ldap_free_urldesc( ludp );
1371 if ( !BER_BVISNULL( &nbase ) ) {
1372 op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
1374 if ( rc == 0 ) break;
1376 if ( user != target ) {
1377 op->o_private = user_priv;
1378 be_entry_release_r( op, user );
1379 op->o_private = o_priv;
1384 rc = value_find_ex( group_at,
1385 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
1386 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
1387 a->a_nvals, op_ndn, op->o_tmpmemctx );
1388 if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
1389 rc = LDAP_COMPARE_FALSE;
1392 rc = LDAP_NO_SUCH_ATTRIBUTE;
1394 if ( e != target ) {
1395 op->o_private = e_priv;
1396 be_entry_release_r( op, e );
1397 op->o_private = o_priv;
1400 rc = LDAP_NO_SUCH_OBJECT;
1403 if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) {
1404 g = op->o_tmpalloc( sizeof( GroupAssertion ) + gr_ndn->bv_len,
1406 g->ga_be = op->o_bd;
1407 g->ga_oc = group_oc;
1408 g->ga_at = group_at;
1410 g->ga_len = gr_ndn->bv_len;
1411 strcpy( g->ga_ndn, gr_ndn->bv_val );
1412 g->ga_next = op->o_groups;
1424 struct berval *gr_ndn,
1425 struct berval *op_ndn,
1426 ObjectClass *group_oc,
1427 AttributeDescription *group_at )
1432 if ( op->o_abandon ) {
1433 return SLAPD_ABANDON;
1437 op->o_bd = frontendDB;
1438 rc = frontendDB->be_group( op, target, gr_ndn,
1439 op_ndn, group_oc, group_at );
1450 AttributeDescription *entry_at,
1452 slap_access_t access )
1455 void *o_priv = op->o_private, *e_priv = NULL;
1456 Attribute *a = NULL;
1457 int freeattr = 0, i, j, rc = LDAP_SUCCESS;
1458 AccessControlState acl_state = ACL_STATE_INIT;
1459 Backend *be = op->o_bd;
1461 op->o_bd = select_backend( edn, 0, 0 );
1463 if ( target && dn_match( &target->e_nname, edn ) ) {
1467 op->o_private = NULL;
1468 rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
1469 e_priv = op->o_private;
1470 op->o_private = o_priv;
1474 if ( entry_at == slap_schema.si_ad_entry || entry_at == slap_schema.si_ad_children ) {
1475 assert( vals == NULL );
1478 if ( op->o_conn && access > ACL_NONE &&
1479 access_allowed( op, e, entry_at, NULL,
1480 access, &acl_state ) == 0 )
1482 rc = LDAP_INSUFFICIENT_ACCESS;
1487 a = attr_find( e->e_attrs, entry_at );
1489 SlapReply rs = { 0 };
1490 AttributeName anlist[ 2 ];
1492 anlist[ 0 ].an_name = entry_at->ad_cname;
1493 anlist[ 0 ].an_desc = entry_at;
1494 BER_BVZERO( &anlist[ 1 ].an_name );
1495 rs.sr_attrs = anlist;
1497 /* NOTE: backend_operational() is also called
1498 * when returning results, so it's supposed
1499 * to do no harm to entries */
1501 rc = backend_operational( op, &rs );
1504 if ( rc == LDAP_SUCCESS ) {
1505 if ( rs.sr_operational_attrs ) {
1507 a = rs.sr_operational_attrs;
1510 rc = LDAP_NO_SUCH_ATTRIBUTE;
1518 if ( op->o_conn && access > ACL_NONE &&
1519 access_allowed( op, e, entry_at, NULL,
1520 access, &acl_state ) == 0 )
1522 rc = LDAP_INSUFFICIENT_ACCESS;
1526 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
1529 v = op->o_tmpalloc( sizeof(struct berval) * ( i + 1 ),
1531 for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
1533 if ( op->o_conn && access > ACL_NONE &&
1534 access_allowed( op, e, entry_at,
1541 ber_dupbv_x( &v[j], &a->a_nvals[i],
1543 if ( !BER_BVISNULL( &v[j] ) ) {
1548 op->o_tmpfree( v, op->o_tmpmemctx );
1550 rc = LDAP_INSUFFICIENT_ACCESS;
1553 BER_BVZERO( &v[j] );
1558 freeit: if ( e != target ) {
1559 op->o_private = e_priv;
1560 be_entry_release_r( op, e );
1561 op->o_private = o_priv;
1577 AttributeDescription *entry_at,
1579 slap_access_t access )
1585 op->o_bd = frontendDB;
1586 rc = frontendDB->be_attribute( op, target, edn,
1587 entry_at, vals, access );
1598 AttributeDescription *entry_at,
1599 struct berval *nval,
1600 slap_access_t access,
1604 void *o_priv = op->o_private, *e_priv = NULL;
1605 int rc = LDAP_INSUFFICIENT_ACCESS;
1606 Backend *be = op->o_bd;
1609 assert( op != NULL );
1610 assert( op->o_conn != NULL );
1611 assert( edn != NULL );
1612 assert( access > ACL_NONE );
1614 op->o_bd = select_backend( edn, 0, 0 );
1616 if ( target && dn_match( &target->e_nname, edn ) ) {
1620 op->o_private = NULL;
1621 rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
1622 e_priv = op->o_private;
1623 op->o_private = o_priv;
1627 Attribute *a = NULL;
1630 if ( entry_at == NULL ) {
1631 entry_at = slap_schema.si_ad_entry;
1634 if ( entry_at == slap_schema.si_ad_entry || entry_at == slap_schema.si_ad_children )
1636 if ( access_allowed_mask( op, e, entry_at,
1637 NULL, access, NULL, mask ) == 0 )
1639 rc = LDAP_INSUFFICIENT_ACCESS;
1646 a = attr_find( e->e_attrs, entry_at );
1648 SlapReply rs = { 0 };
1649 AttributeName anlist[ 2 ];
1651 anlist[ 0 ].an_name = entry_at->ad_cname;
1652 anlist[ 0 ].an_desc = entry_at;
1653 BER_BVZERO( &anlist[ 1 ].an_name );
1654 rs.sr_attrs = anlist;
1656 rs.sr_attr_flags = slap_attr_flags( rs.sr_attrs );
1658 /* NOTE: backend_operational() is also called
1659 * when returning results, so it's supposed
1660 * to do no harm to entries */
1662 rc = backend_operational( op, &rs );
1665 if ( rc == LDAP_SUCCESS ) {
1666 if ( rs.sr_operational_attrs ) {
1668 a = rs.sr_operational_attrs;
1671 rc = LDAP_NO_SUCH_OBJECT;
1677 if ( access_allowed_mask( op, e, entry_at,
1678 nval, access, NULL, mask ) == 0 )
1680 rc = LDAP_INSUFFICIENT_ACCESS;
1686 freeit: if ( e != target ) {
1687 op->o_private = e_priv;
1688 be_entry_release_r( op, e );
1689 op->o_private = o_priv;
1708 for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
1709 /* just count them */ ;
1712 * If operational attributes (allegedly) are required,
1713 * and the backend supports specific operational attributes,
1714 * add them to the attribute list
1716 if ( !( rs->sr_flags & REP_NO_ENTRYDN )
1717 && ( SLAP_OPATTRS( rs->sr_attr_flags ) || ( rs->sr_attrs &&
1718 ad_inlist( slap_schema.si_ad_entryDN, rs->sr_attrs ) ) ) )
1720 *ap = slap_operational_entryDN( rs->sr_entry );
1721 ap = &(*ap)->a_next;
1724 if ( !( rs->sr_flags & REP_NO_SUBSCHEMA)
1725 && ( SLAP_OPATTRS( rs->sr_attr_flags ) || ( rs->sr_attrs &&
1726 ad_inlist( slap_schema.si_ad_subschemaSubentry, rs->sr_attrs ) ) ) )
1728 *ap = slap_operational_subschemaSubentry( op->o_bd );
1729 ap = &(*ap)->a_next;
1732 if ( op->o_bd != NULL ) {
1733 BackendDB *be_orig = op->o_bd;
1735 /* Let the overlays have a chance at this */
1736 op->o_bd = select_backend( &op->o_req_ndn, 0, 0 );
1737 if ( op->o_bd != NULL && !be_match( op->o_bd, frontendDB ) &&
1738 ( SLAP_OPATTRS( rs->sr_attr_flags ) || rs->sr_attrs ) &&
1739 op->o_bd->be_operational != NULL )
1741 rc = op->o_bd->be_operational( op, rs );
1749 int backend_operational( Operation *op, SlapReply *rs )
1754 /* Moved this into the frontend so global overlays are called */
1757 op->o_bd = frontendDB;
1758 rc = frontendDB->be_operational( op, rs );