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 );
253 return backend_startup_one( be );
256 /* open frontend, if required */
257 if ( frontendDB->bd_info->bi_db_open ) {
258 rc = frontendDB->bd_info->bi_db_open( frontendDB );
260 Debug( LDAP_DEBUG_ANY,
261 "backend_startup: bi_db_open(frontend) failed! (%d)\n",
267 /* open each backend type */
269 LDAP_STAILQ_FOREACH(bi, &backendInfo, bi_next) {
271 if( bi->bi_nDB == 0) {
272 /* no database of this type, don't open */
277 rc = bi->bi_open( bi );
279 Debug( LDAP_DEBUG_ANY,
280 "backend_startup: bi_open %d (%s) failed!\n",
286 (void)backend_init_controls( bi );
289 /* open each backend database */
291 LDAP_STAILQ_FOREACH(be, &backendDB, be_next) {
293 if ( be->be_suffix == NULL ) {
294 Debug( LDAP_DEBUG_ANY,
295 "backend_startup: warning, database %d (%s) "
297 i, be->bd_info->bi_type, 0 );
299 /* append global access controls */
300 acl_append( &be->be_acl, frontendDB->be_acl, -1 );
302 rc = backend_startup_one( be );
310 int backend_num( Backend *be )
315 if( be == NULL ) return -1;
317 LDAP_STAILQ_FOREACH( b2, &backendDB, be_next ) {
318 if( be == b2 ) return i;
324 int backend_shutdown( Backend *be )
330 /* shutdown a specific backend database */
332 if ( be->bd_info->bi_nDB == 0 ) {
333 /* no database of this type, we never opened it */
337 if ( be->bd_info->bi_db_close ) {
338 be->bd_info->bi_db_close( be );
341 if( be->bd_info->bi_close ) {
342 be->bd_info->bi_close( be->bd_info );
348 /* close each backend database */
349 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
350 if ( be->bd_info->bi_db_close ) {
351 be->bd_info->bi_db_close( be );
355 Debug( LDAP_DEBUG_ANY,
356 "backend_close: bi_db_close %s failed!\n",
361 /* close each backend type */
362 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
363 if( bi->bi_nDB == 0 ) {
364 /* no database of this type */
373 /* close frontend, if required */
374 if ( frontendDB->bd_info->bi_db_close ) {
375 rc = frontendDB->bd_info->bi_db_close ( frontendDB );
377 Debug( LDAP_DEBUG_ANY,
378 "backend_startup: bi_db_close(frontend) failed! (%d)\n",
386 void backend_destroy_one( BackendDB *bd, int dynamic )
389 LDAP_STAILQ_REMOVE(&backendDB, bd, slap_backend_db, be_next );
392 if ( bd->be_syncinfo ) {
393 syncinfo_free( bd->be_syncinfo );
396 if ( bd->be_pending_csn_list ) {
397 struct slap_csn_entry *csne;
398 csne = LDAP_TAILQ_FIRST( bd->be_pending_csn_list );
400 struct slap_csn_entry *tmp_csne = csne;
402 LDAP_TAILQ_REMOVE( bd->be_pending_csn_list, csne, ce_csn_link );
403 ch_free( csne->ce_csn.bv_val );
404 csne = LDAP_TAILQ_NEXT( csne, ce_csn_link );
407 ch_free( bd->be_pending_csn_list );
410 if ( bd->bd_info->bi_db_destroy ) {
411 bd->bd_info->bi_db_destroy( bd );
413 ber_bvarray_free( bd->be_suffix );
414 ber_bvarray_free( bd->be_nsuffix );
415 if ( !BER_BVISNULL( &bd->be_rootdn ) ) {
416 free( bd->be_rootdn.bv_val );
418 if ( !BER_BVISNULL( &bd->be_rootndn ) ) {
419 free( bd->be_rootndn.bv_val );
421 if ( !BER_BVISNULL( &bd->be_rootpw ) ) {
422 free( bd->be_rootpw.bv_val );
424 acl_destroy( bd->be_acl, frontendDB->be_acl );
425 limits_destroy( bd->be_limits );
426 if ( bd->be_replogfile ) {
427 ch_free( bd->be_replogfile );
429 destroy_replica_info( bd );
430 if ( !BER_BVISNULL( &bd->be_update_ndn ) ) {
431 ch_free( bd->be_update_ndn.bv_val );
433 if ( bd->be_update_refs ) {
434 ber_bvarray_free( bd->be_update_refs );
442 int backend_destroy(void)
447 /* destroy each backend database */
448 while (( bd = LDAP_STAILQ_FIRST(&backendDB))) {
449 backend_destroy_one( bd, 1 );
452 /* destroy each backend type */
453 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
454 if( bi->bi_destroy ) {
455 bi->bi_destroy( bi );
460 LDAP_STAILQ_INIT(&backendInfo);
462 /* destroy frontend database */
465 if ( bd->bd_info->bi_db_destroy ) {
466 bd->bd_info->bi_db_destroy( bd );
468 ber_bvarray_free( bd->be_suffix );
469 ber_bvarray_free( bd->be_nsuffix );
470 if ( !BER_BVISNULL( &bd->be_rootdn ) ) {
471 free( bd->be_rootdn.bv_val );
473 if ( !BER_BVISNULL( &bd->be_rootndn ) ) {
474 free( bd->be_rootndn.bv_val );
476 if ( !BER_BVISNULL( &bd->be_rootpw ) ) {
477 free( bd->be_rootpw.bv_val );
479 acl_destroy( bd->be_acl, frontendDB->be_acl );
481 if ( bd->be_replogfile != NULL ) {
482 free( bd->be_replogfile );
484 assert( bd->be_replica == NULL );
490 BackendInfo* backend_info(const char *type)
494 /* search for the backend type */
495 LDAP_STAILQ_FOREACH(bi,&backendInfo,bi_next) {
496 if( strcasecmp(bi->bi_type, type) == 0 ) {
510 BackendInfo *bi = backend_info(type);
514 fprintf( stderr, "Unrecognized database type (%s)\n", type );
518 /* If be is provided, treat it as private. Otherwise allocate
519 * one and add it to the global list.
522 be = ch_calloc( 1, sizeof(Backend) );
524 LDAP_STAILQ_INSERT_TAIL(&backendDB, be, be_next);
529 be->be_def_limit = frontendDB->be_def_limit;
530 be->be_dfltaccess = frontendDB->be_dfltaccess;
532 be->be_restrictops = frontendDB->be_restrictops;
533 be->be_requires = frontendDB->be_requires;
534 be->be_ssf_set = frontendDB->be_ssf_set;
536 be->be_pcl_mutexp = &be->be_pcl_mutex;
537 ldap_pvt_thread_mutex_init( be->be_pcl_mutexp );
539 /* assign a default depth limit for alias deref */
540 be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
542 if ( bi->bi_db_init ) {
543 rc = bi->bi_db_init( be );
547 fprintf( stderr, "database init failed (%s)\n", type );
561 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
562 if ( be->bd_info->bi_db_close ) {
563 be->bd_info->bi_db_close( be );
567 if ( frontendDB->bd_info->bi_db_close ) {
568 (*frontendDB->bd_info->bi_db_close)( frontendDB );
580 ber_len_t len, dnlen = dn->bv_len;
581 Backend *be, *b2 = NULL;
583 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
584 if ( be->be_nsuffix == NULL ) {
588 for ( j = 0; !BER_BVISNULL( &be->be_nsuffix[j] ); j++ )
590 if ( ( SLAP_GLUE_SUBORDINATE( be ) ) && noSubs )
595 len = be->be_nsuffix[j].bv_len;
598 /* suffix is longer than DN */
603 * input DN is normalized, so the separator check
604 * need not look at escaping
606 if ( len && len < dnlen &&
607 !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] ))
612 if ( strcmp( be->be_nsuffix[j].bv_val,
613 &dn->bv_val[dnlen-len] ) == 0 )
618 if( manageDSAit && len == dnlen &&
619 !SLAP_GLUE_SUBORDINATE( be ) ) {
623 /* If any parts of the tree are glued, use the first
624 * match regardless of manageDSAit. Otherwise use the
627 if( !( SLAP_DBFLAGS( be ) & ( SLAP_DBFLAG_GLUE_INSTANCE |
628 SLAP_DBFLAG_GLUE_SUBORDINATE )))
642 struct berval *bvsuffix )
646 if ( be->be_nsuffix == NULL ) {
650 for ( i = 0; !BER_BVISNULL( &be->be_nsuffix[i] ); i++ ) {
651 if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) {
660 be_isroot_dn( Backend *be, struct berval *ndn )
662 if ( BER_BVISEMPTY( ndn ) || BER_BVISEMPTY( &be->be_rootndn ) ) {
666 return dn_match( &be->be_rootndn, ndn );
670 be_slurp_update( Operation *op )
672 return ( SLAP_SLURP_SHADOW( op->o_bd ) &&
673 be_isupdate_dn( op->o_bd, &op->o_ndn ) );
677 be_shadow_update( Operation *op )
679 return ( SLAP_SYNC_SHADOW( op->o_bd ) ||
680 ( SLAP_SHADOW( op->o_bd ) && be_isupdate_dn( op->o_bd, &op->o_ndn ) ) );
684 be_isupdate_dn( Backend *be, struct berval *ndn )
686 if ( BER_BVISEMPTY( ndn ) || BER_BVISEMPTY( &be->be_update_ndn ) ) {
690 return dn_match( &be->be_update_ndn, ndn );
694 be_root_dn( Backend *be )
696 return &be->be_rootdn;
700 be_isroot( Operation *op )
702 return be_isroot_dn( op->o_bd, &op->o_ndn );
706 be_isroot_pw( Operation *op )
710 if ( ! be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) {
714 if ( BER_BVISEMPTY( &op->o_bd->be_rootpw ) ) {
719 ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind,
720 op->o_conn->c_sasl_authctx, NULL );
723 result = lutil_passwd( &op->o_bd->be_rootpw, &op->orb_cred, NULL, NULL );
726 ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind, NULL, NULL );
738 if ( op->o_bd->be_release ) {
739 /* free and release entry from backend */
740 return op->o_bd->be_release( op, e, rw );
749 backend_unbind( Operation *op, SlapReply *rs )
753 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
754 if ( be->be_unbind ) {
756 be->be_unbind( op, rs );
764 backend_connection_init(
769 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
770 if ( be->be_connection_init ) {
771 be->be_connection_init( be, conn );
779 backend_connection_destroy(
784 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
785 if ( be->be_connection_destroy ) {
786 be->be_connection_destroy( be, conn);
794 backend_check_controls(
798 LDAPControl **ctrls = op->o_ctrls;
799 rs->sr_err = LDAP_SUCCESS;
802 for( ; *ctrls != NULL ; ctrls++ ) {
805 switch ( slap_global_control( op, (*ctrls)->ldctl_oid, &cid ) ) {
806 case LDAP_CONTROL_NOT_FOUND:
807 /* unrecognized control */
808 if ( (*ctrls)->ldctl_iscritical ) {
809 /* should not be reachable */
810 Debug( LDAP_DEBUG_ANY,
811 "backend_check_controls: unrecognized control: %s\n",
812 (*ctrls)->ldctl_oid, 0, 0 );
817 case LDAP_COMPARE_FALSE:
818 if ( !op->o_bd->be_ctrls[cid] && (*ctrls)->ldctl_iscritical ) {
819 /* Per RFC 2251 (and LDAPBIS discussions), if the control
820 * is recognized and appropriate for the operation (which
821 * we've already verified), then the server should make
822 * use of the control when performing the operation.
824 * Here we find that operation extended by the control
825 * is unavailable in a particular context, and the control
826 * is marked Critical, hence the return of
827 * unwillingToPerform.
829 rs->sr_text = "critical control unavailable in context";
830 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
835 case LDAP_COMPARE_TRUE:
840 Debug( LDAP_DEBUG_ANY,
841 "backend_check_controls: unable to check control: %s\n",
842 (*ctrls)->ldctl_oid, 0, 0 );
845 rs->sr_text = "unable to check control";
846 rs->sr_err = LDAP_OTHER;
852 /* temporarily removed */
854 /* check should be generalized */
855 if( get_manageDIT(op) && !be_isroot(op)) {
856 rs->sr_text = "requires manager authorization";
857 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
866 backend_check_restrictions(
869 struct berval *opdata )
871 slap_mask_t restrictops;
872 slap_mask_t requires;
874 slap_mask_t exopflag = 0;
881 int rc = SLAP_CB_CONTINUE;
883 if ( op->o_bd->be_chk_controls ) {
884 rc = ( *op->o_bd->be_chk_controls )( op, rs );
887 if ( rc == SLAP_CB_CONTINUE ) {
888 rc = backend_check_controls( op, rs );
891 if ( rc != LDAP_SUCCESS ) {
895 restrictops = op->o_bd->be_restrictops;
896 requires = op->o_bd->be_requires;
897 ssf = &op->o_bd->be_ssf_set;
900 restrictops = frontendDB->be_restrictops;
901 requires = frontendDB->be_requires;
902 ssf = &frontendDB->be_ssf_set;
905 switch( op->o_tag ) {
907 opflag = SLAP_RESTRICT_OP_ADD;
911 opflag = SLAP_RESTRICT_OP_BIND;
914 case LDAP_REQ_COMPARE:
915 opflag = SLAP_RESTRICT_OP_COMPARE;
917 case LDAP_REQ_DELETE:
919 opflag = SLAP_RESTRICT_OP_DELETE;
921 case LDAP_REQ_EXTENDED:
922 opflag = SLAP_RESTRICT_OP_EXTENDED;
925 /* treat unspecified as a modify */
926 opflag = SLAP_RESTRICT_OP_MODIFY;
931 if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) {
934 exopflag = SLAP_RESTRICT_EXOP_START_TLS;
938 if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) {
939 exopflag = SLAP_RESTRICT_EXOP_WHOAMI;
943 if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) {
944 exopflag = SLAP_RESTRICT_EXOP_CANCEL;
948 if ( bvmatch( opdata, &slap_EXOP_MODIFY_PASSWD ) ) {
949 exopflag = SLAP_RESTRICT_EXOP_MODIFY_PASSWD;
954 /* treat everything else as a modify */
955 opflag = SLAP_RESTRICT_OP_MODIFY;
959 case LDAP_REQ_MODIFY:
961 opflag = SLAP_RESTRICT_OP_MODIFY;
963 case LDAP_REQ_RENAME:
965 opflag = SLAP_RESTRICT_OP_RENAME;
967 case LDAP_REQ_SEARCH:
968 opflag = SLAP_RESTRICT_OP_SEARCH;
970 case LDAP_REQ_UNBIND:
975 rs->sr_text = "restrict operations internal error";
976 rs->sr_err = LDAP_OTHER;
981 /* these checks don't apply to StartTLS */
983 rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
984 if( op->o_transport_ssf < ssf->sss_transport ) {
985 rs->sr_text = op->o_transport_ssf
986 ? "stronger transport confidentiality required"
987 : "transport confidentiality required";
991 if( op->o_tls_ssf < ssf->sss_tls ) {
992 rs->sr_text = op->o_tls_ssf
993 ? "stronger TLS confidentiality required"
994 : "TLS confidentiality required";
999 if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) {
1000 /* simple bind specific check */
1001 if( op->o_ssf < ssf->sss_simple_bind ) {
1002 rs->sr_text = op->o_ssf
1003 ? "stronger confidentiality required"
1004 : "confidentiality required";
1009 if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) {
1010 /* these checks don't apply to SASL bind */
1012 if( op->o_sasl_ssf < ssf->sss_sasl ) {
1013 rs->sr_text = op->o_sasl_ssf
1014 ? "stronger SASL confidentiality required"
1015 : "SASL confidentiality required";
1019 if( op->o_ssf < ssf->sss_ssf ) {
1020 rs->sr_text = op->o_ssf
1021 ? "stronger confidentiality required"
1022 : "confidentiality required";
1028 if( op->o_transport_ssf < ssf->sss_update_transport ) {
1029 rs->sr_text = op->o_transport_ssf
1030 ? "stronger transport confidentiality required for update"
1031 : "transport confidentiality required for update";
1035 if( op->o_tls_ssf < ssf->sss_update_tls ) {
1036 rs->sr_text = op->o_tls_ssf
1037 ? "stronger TLS confidentiality required for update"
1038 : "TLS confidentiality required for update";
1042 if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
1043 rs->sr_text = op->o_sasl_ssf
1044 ? "stronger SASL confidentiality required for update"
1045 : "SASL confidentiality required for update";
1049 if( op->o_ssf < ssf->sss_update_ssf ) {
1050 rs->sr_text = op->o_ssf
1051 ? "stronger confidentiality required for update"
1052 : "confidentiality required for update";
1056 if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) &&
1057 BER_BVISEMPTY( &op->o_ndn ) )
1059 rs->sr_text = "modifications require authentication";
1060 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1064 #ifdef SLAP_X_LISTENER_MOD
1065 if ( op->o_conn->c_listener &&
1066 ! ( op->o_conn->c_listener->sl_perms & ( !BER_BVISEMPTY( &op->o_ndn )
1067 ? (S_IWUSR|S_IWOTH) : S_IWOTH ) ) )
1069 /* no "w" mode means readonly */
1070 rs->sr_text = "modifications not allowed on this listener";
1071 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1074 #endif /* SLAP_X_LISTENER_MOD */
1079 /* these checks don't apply to Bind, StartTLS, or Unbind */
1081 if( requires & SLAP_REQUIRE_STRONG ) {
1082 /* should check mechanism */
1083 if( ( op->o_transport_ssf < ssf->sss_transport
1084 && op->o_authtype == LDAP_AUTH_SIMPLE )
1085 || BER_BVISEMPTY( &op->o_dn ) )
1087 rs->sr_text = "strong(er) authentication required";
1088 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1093 if( requires & SLAP_REQUIRE_SASL ) {
1094 if( op->o_authtype != LDAP_AUTH_SASL || BER_BVISEMPTY( &op->o_dn ) ) {
1095 rs->sr_text = "SASL authentication required";
1096 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1101 if( requires & SLAP_REQUIRE_AUTHC ) {
1102 if( BER_BVISEMPTY( &op->o_dn ) ) {
1103 rs->sr_text = "authentication required";
1104 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1109 if( requires & SLAP_REQUIRE_BIND ) {
1111 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
1112 version = op->o_conn->c_protocol;
1113 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
1116 /* no bind has occurred */
1117 rs->sr_text = "BIND required";
1118 rs->sr_err = LDAP_OPERATIONS_ERROR;
1123 if( requires & SLAP_REQUIRE_LDAP_V3 ) {
1124 if( op->o_protocol < LDAP_VERSION3 ) {
1125 /* no bind has occurred */
1126 rs->sr_text = "operation restricted to LDAPv3 clients";
1127 rs->sr_err = LDAP_OPERATIONS_ERROR;
1132 #ifdef SLAP_X_LISTENER_MOD
1133 if ( !starttls && BER_BVISEMPTY( &op->o_dn ) ) {
1134 if ( op->o_conn->c_listener &&
1135 !( op->o_conn->c_listener->sl_perms & S_IXOTH ))
1137 /* no "x" mode means bind required */
1138 rs->sr_text = "bind required on this listener";
1139 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1144 if ( !starttls && !updateop ) {
1145 if ( op->o_conn->c_listener &&
1146 !( op->o_conn->c_listener->sl_perms &
1147 ( !BER_BVISEMPTY( &op->o_dn )
1148 ? (S_IRUSR|S_IROTH) : S_IROTH )))
1150 /* no "r" mode means no read */
1151 rs->sr_text = "read not allowed on this listener";
1152 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1156 #endif /* SLAP_X_LISTENER_MOD */
1160 if( ( restrictops & opflag )
1161 || ( exopflag && ( restrictops & exopflag ) ) ) {
1162 if( ( restrictops & SLAP_RESTRICT_OP_MASK) == SLAP_RESTRICT_OP_READS ) {
1163 rs->sr_text = "read operations restricted";
1164 } else if ( restrictops & exopflag ) {
1165 rs->sr_text = "extended operation restricted";
1167 rs->sr_text = "operation restricted";
1169 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1173 rs->sr_err = LDAP_SUCCESS;
1177 int backend_check_referrals( Operation *op, SlapReply *rs )
1179 rs->sr_err = LDAP_SUCCESS;
1181 if( op->o_bd->be_chk_referrals ) {
1182 rs->sr_err = op->o_bd->be_chk_referrals( op, rs );
1184 if( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL ) {
1185 send_ldap_result( op, rs );
1197 AttributeDescription *at,
1203 if ( op->o_bd == NULL ) {
1204 return LDAP_NO_SUCH_OBJECT;
1207 if ( op->o_bd->be_fetch ) {
1208 return op->o_bd->be_fetch( op, ndn, oc, at, rw, e );
1211 return LDAP_UNWILLING_TO_PERFORM;
1218 struct berval *gr_ndn,
1219 struct berval *op_ndn,
1220 ObjectClass *group_oc,
1221 AttributeDescription *group_at )
1224 void *o_priv = op->o_private, *e_priv = NULL;
1228 Backend *be = op->o_bd;
1230 op->o_bd = select_backend( gr_ndn, 0, 0 );
1232 for ( g = op->o_groups; g; g = g->ga_next ) {
1233 if ( g->ga_be != op->o_bd || g->ga_oc != group_oc ||
1234 g->ga_at != group_at || g->ga_len != gr_ndn->bv_len )
1238 if ( strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0 ) {
1248 if ( target && dn_match( &target->e_nname, gr_ndn ) ) {
1252 op->o_private = NULL;
1253 rc = be_entry_get_rw( op, gr_ndn, group_oc, group_at, 0, &e );
1254 e_priv = op->o_private;
1255 op->o_private = o_priv;
1258 a = attr_find( e->e_attrs, group_at );
1260 /* If the attribute is a subtype of labeledURI, treat this as
1261 * a dynamic group ala groupOfURLs
1263 if (is_at_subtype( group_at->ad_type,
1264 slap_schema.si_ad_labeledURI->ad_type ) )
1268 struct berval bv, nbase;
1271 void *user_priv = NULL;
1272 Backend *b2 = op->o_bd;
1274 if ( target && dn_match( &target->e_nname, op_ndn ) ) {
1277 op->o_bd = select_backend( op_ndn, 0, 0 );
1278 op->o_private = NULL;
1279 rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user );
1280 user_priv = op->o_private;
1281 op->o_private = o_priv;
1285 rc = LDAP_COMPARE_FALSE;
1286 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
1287 if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) !=
1292 BER_BVZERO( &nbase );
1293 /* host part must be empty */
1294 /* attrs and extensions parts must be empty */
1295 if ( ( ludp->lud_host && *ludp->lud_host ) ||
1296 ludp->lud_attrs || ludp->lud_exts )
1300 ber_str2bv( ludp->lud_dn, 0, 0, &bv );
1301 if ( dnNormalize( 0, NULL, NULL, &bv, &nbase,
1302 op->o_tmpmemctx ) != LDAP_SUCCESS )
1306 switch ( ludp->lud_scope ) {
1307 case LDAP_SCOPE_BASE:
1308 if ( !dn_match( &nbase, op_ndn ) ) {
1312 case LDAP_SCOPE_ONELEVEL:
1313 dnParent( op_ndn, &bv );
1314 if ( !dn_match( &nbase, &bv ) ) {
1318 case LDAP_SCOPE_SUBTREE:
1319 if ( !dnIsSuffix( op_ndn, &nbase ) ) {
1323 case LDAP_SCOPE_SUBORDINATE:
1324 if ( dn_match( &nbase, op_ndn ) ||
1325 !dnIsSuffix( op_ndn, &nbase ) )
1330 filter = str2filter_x( op, ludp->lud_filter );
1332 if ( test_filter( NULL, user, filter ) ==
1337 filter_free_x( op, filter );
1340 ldap_free_urldesc( ludp );
1341 if ( !BER_BVISNULL( &nbase ) ) {
1342 op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
1344 if ( rc == 0 ) break;
1346 if ( user != target ) {
1347 op->o_private = user_priv;
1348 be_entry_release_r( op, user );
1349 op->o_private = o_priv;
1354 rc = value_find_ex( group_at,
1355 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
1356 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
1357 a->a_nvals, op_ndn, op->o_tmpmemctx );
1358 if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
1359 rc = LDAP_COMPARE_FALSE;
1362 rc = LDAP_NO_SUCH_ATTRIBUTE;
1364 if ( e != target ) {
1365 op->o_private = e_priv;
1366 be_entry_release_r( op, e );
1367 op->o_private = o_priv;
1370 rc = LDAP_NO_SUCH_OBJECT;
1373 if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) {
1374 g = op->o_tmpalloc( sizeof( GroupAssertion ) + gr_ndn->bv_len,
1376 g->ga_be = op->o_bd;
1377 g->ga_oc = group_oc;
1378 g->ga_at = group_at;
1380 g->ga_len = gr_ndn->bv_len;
1381 strcpy( g->ga_ndn, gr_ndn->bv_val );
1382 g->ga_next = op->o_groups;
1394 struct berval *gr_ndn,
1395 struct berval *op_ndn,
1396 ObjectClass *group_oc,
1397 AttributeDescription *group_at )
1402 if ( op->o_abandon ) {
1403 return SLAPD_ABANDON;
1407 op->o_bd = frontendDB;
1408 #ifdef SLAP_OVERLAY_ACCESS
1409 rc = frontendDB->be_group( op, target, gr_ndn,
1410 op_ndn, group_oc, group_at );
1411 #else /* ! SLAP_OVERLAY_ACCESS */
1412 rc = fe_acl_group( op, target, gr_ndn,
1413 op_ndn, group_oc, group_at );
1414 #endif /* ! SLAP_OVERLAY_ACCESS */
1425 AttributeDescription *entry_at,
1427 slap_access_t access )
1430 void *o_priv = op->o_private, *e_priv = NULL;
1431 Attribute *a = NULL;
1432 int freeattr = 0, i, j, rc = LDAP_SUCCESS;
1433 AccessControlState acl_state = ACL_STATE_INIT;
1434 Backend *be = op->o_bd;
1436 op->o_bd = select_backend( edn, 0, 0 );
1438 if ( target && dn_match( &target->e_nname, edn ) ) {
1442 op->o_private = NULL;
1443 rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
1444 e_priv = op->o_private;
1445 op->o_private = o_priv;
1449 a = attr_find( e->e_attrs, entry_at );
1451 SlapReply rs = { 0 };
1452 AttributeName anlist[ 2 ];
1454 anlist[ 0 ].an_name = entry_at->ad_cname;
1455 anlist[ 0 ].an_desc = entry_at;
1456 BER_BVZERO( &anlist[ 1 ].an_name );
1457 rs.sr_attrs = anlist;
1459 /* NOTE: backend_operational() is also called
1460 * when returning results, so it's supposed
1461 * to do no harm to entries */
1463 rc = backend_operational( op, &rs );
1466 if ( rc == LDAP_SUCCESS ) {
1467 if ( rs.sr_operational_attrs ) {
1469 a = rs.sr_operational_attrs;
1472 rc = LDAP_NO_SUCH_ATTRIBUTE;
1480 if ( op->o_conn && access > ACL_NONE &&
1481 access_allowed( op, e, entry_at, NULL,
1482 access, &acl_state ) == 0 )
1484 rc = LDAP_INSUFFICIENT_ACCESS;
1488 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
1491 v = op->o_tmpalloc( sizeof(struct berval) * ( i + 1 ),
1493 for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
1495 if ( op->o_conn && access > ACL_NONE &&
1496 access_allowed( op, e, entry_at,
1503 ber_dupbv_x( &v[j], &a->a_nvals[i],
1505 if ( !BER_BVISNULL( &v[j] ) ) {
1510 op->o_tmpfree( v, op->o_tmpmemctx );
1512 rc = LDAP_INSUFFICIENT_ACCESS;
1515 BER_BVZERO( &v[j] );
1520 freeit: if ( e != target ) {
1521 op->o_private = e_priv;
1522 be_entry_release_r( op, e );
1523 op->o_private = o_priv;
1539 AttributeDescription *entry_at,
1541 slap_access_t access )
1547 op->o_bd = frontendDB;
1548 #ifdef SLAP_OVERLAY_ACCESS
1549 rc = frontendDB->be_attribute( op, target, edn,
1550 entry_at, vals, access );
1551 #else /* !SLAP_OVERLAY_ACCESS */
1552 rc = fe_acl_attribute( op, target, edn,
1553 entry_at, vals, access );
1554 #endif /* !SLAP_OVERLAY_ACCESS */
1565 AttributeDescription *entry_at,
1566 struct berval *nval,
1567 slap_access_t access,
1571 void *o_priv = op->o_private, *e_priv = NULL;
1572 int rc = LDAP_INSUFFICIENT_ACCESS;
1573 Backend *be = op->o_bd;
1576 assert( op != NULL );
1577 assert( op->o_conn != NULL );
1578 assert( edn != NULL );
1579 assert( access > ACL_NONE );
1581 op->o_bd = select_backend( edn, 0, 0 );
1583 if ( target && dn_match( &target->e_nname, edn ) ) {
1587 op->o_private = NULL;
1588 rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
1589 e_priv = op->o_private;
1590 op->o_private = o_priv;
1594 Attribute *a = NULL;
1597 if ( entry_at == NULL ) {
1598 entry_at = slap_schema.si_ad_entry;
1601 if ( entry_at == slap_schema.si_ad_entry || entry_at == slap_schema.si_ad_children )
1603 if ( access_allowed_mask( op, e, entry_at,
1604 NULL, access, NULL, mask ) == 0 )
1606 rc = LDAP_INSUFFICIENT_ACCESS;
1613 a = attr_find( e->e_attrs, entry_at );
1615 SlapReply rs = { 0 };
1616 AttributeName anlist[ 2 ];
1618 anlist[ 0 ].an_name = entry_at->ad_cname;
1619 anlist[ 0 ].an_desc = entry_at;
1620 BER_BVZERO( &anlist[ 1 ].an_name );
1621 rs.sr_attrs = anlist;
1623 rs.sr_attr_flags = slap_attr_flags( rs.sr_attrs );
1625 /* NOTE: backend_operational() is also called
1626 * when returning results, so it's supposed
1627 * to do no harm to entries */
1629 rc = backend_operational( op, &rs );
1632 if ( rc == LDAP_SUCCESS ) {
1633 if ( rs.sr_operational_attrs ) {
1635 a = rs.sr_operational_attrs;
1638 rc = LDAP_NO_SUCH_OBJECT;
1644 if ( access_allowed_mask( op, e, entry_at,
1645 nval, access, NULL, mask ) == 0 )
1647 rc = LDAP_INSUFFICIENT_ACCESS;
1653 freeit: if ( e != target ) {
1654 op->o_private = e_priv;
1655 be_entry_release_r( op, e );
1656 op->o_private = o_priv;
1676 for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
1677 /* just count them */ ;
1680 * If operational attributes (allegedly) are required,
1681 * and the backend supports specific operational attributes,
1682 * add them to the attribute list
1684 if ( !( rs->sr_flags & REP_NO_ENTRYDN )
1685 && ( SLAP_OPATTRS( rs->sr_attr_flags ) || ( rs->sr_attrs &&
1686 ad_inlist( slap_schema.si_ad_entryDN, rs->sr_attrs ) ) ) )
1688 *ap = slap_operational_entryDN( rs->sr_entry );
1689 ap = &(*ap)->a_next;
1692 if ( !( rs->sr_flags & REP_NO_SUBSCHEMA)
1693 && ( SLAP_OPATTRS( rs->sr_attr_flags ) || ( rs->sr_attrs &&
1694 ad_inlist( slap_schema.si_ad_subschemaSubentry, rs->sr_attrs ) ) ) )
1696 *ap = slap_operational_subschemaSubentry( op->o_bd );
1697 ap = &(*ap)->a_next;
1700 if ( op->o_bd != NULL )
1702 /* Let the overlays have a chance at this */
1704 op->o_bd = select_backend( &op->o_req_ndn, 0, 0 );
1705 if ( !be_match( op->o_bd, frontendDB ) &&
1706 ( SLAP_OPATTRS( rs->sr_attr_flags ) || rs->sr_attrs ) &&
1707 op->o_bd != NULL && op->o_bd->be_operational != NULL )
1709 rc = op->o_bd->be_operational( op, rs );
1717 int backend_operational( Operation *op, SlapReply *rs )
1722 /* Moved this into the frontend so global overlays are called */
1725 op->o_bd = frontendDB;
1726 rc = frontendDB->be_operational( op, rs );