1 /* backend.c - routines for dealing with back-end databases */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2005 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",
252 return backend_startup_one( be );
255 /* open frontend, if required */
256 if ( frontendDB->bd_info->bi_db_open ) {
257 rc = frontendDB->bd_info->bi_db_open( frontendDB );
259 Debug( LDAP_DEBUG_ANY,
260 "backend_startup: bi_db_open(frontend) failed! (%d)\n",
266 /* open each backend type */
268 LDAP_STAILQ_FOREACH(bi, &backendInfo, bi_next) {
270 if( bi->bi_nDB == 0) {
271 /* no database of this type, don't open */
276 rc = bi->bi_open( bi );
278 Debug( LDAP_DEBUG_ANY,
279 "backend_startup: bi_open %d (%s) failed!\n",
285 (void)backend_init_controls( bi );
288 /* open each backend database */
290 LDAP_STAILQ_FOREACH(be, &backendDB, be_next) {
292 if ( be->be_suffix == NULL ) {
293 Debug( LDAP_DEBUG_ANY,
294 "backend_startup: warning, database %d (%s) "
296 i, be->bd_info->bi_type, 0 );
298 /* append global access controls */
299 acl_append( &be->be_acl, frontendDB->be_acl, -1 );
301 rc = backend_startup_one( be );
309 int backend_num( Backend *be )
314 if( be == NULL ) return -1;
316 LDAP_STAILQ_FOREACH( b2, &backendDB, be_next ) {
317 if( be == b2 ) return i;
323 int backend_shutdown( Backend *be )
329 /* shutdown a specific backend database */
331 if ( be->bd_info->bi_nDB == 0 ) {
332 /* no database of this type, we never opened it */
336 if ( be->bd_info->bi_db_close ) {
337 be->bd_info->bi_db_close( be );
340 if( be->bd_info->bi_close ) {
341 be->bd_info->bi_close( be->bd_info );
347 /* close each backend database */
348 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
349 if ( be->bd_info->bi_db_close ) {
350 be->bd_info->bi_db_close( be );
354 Debug( LDAP_DEBUG_ANY,
355 "backend_close: bi_db_close %s failed!\n",
360 /* close each backend type */
361 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
362 if( bi->bi_nDB == 0 ) {
363 /* no database of this type */
372 /* close frontend, if required */
373 if ( frontendDB->bd_info->bi_db_close ) {
374 rc = frontendDB->bd_info->bi_db_close ( frontendDB );
376 Debug( LDAP_DEBUG_ANY,
377 "backend_startup: bi_db_close(frontend) failed! (%d)\n",
385 void backend_destroy_one( BackendDB *bd, int dynamic )
388 LDAP_STAILQ_REMOVE(&backendDB, bd, slap_backend_db, be_next );
391 if ( bd->be_syncinfo ) {
392 syncinfo_free( bd->be_syncinfo );
395 if ( bd->be_pending_csn_list ) {
396 struct slap_csn_entry *csne;
397 csne = LDAP_TAILQ_FIRST( bd->be_pending_csn_list );
399 struct slap_csn_entry *tmp_csne = csne;
401 LDAP_TAILQ_REMOVE( bd->be_pending_csn_list, csne, ce_csn_link );
402 ch_free( csne->ce_csn.bv_val );
403 csne = LDAP_TAILQ_NEXT( csne, ce_csn_link );
406 ch_free( bd->be_pending_csn_list );
409 if ( bd->bd_info->bi_db_destroy ) {
410 bd->bd_info->bi_db_destroy( bd );
412 ber_bvarray_free( bd->be_suffix );
413 ber_bvarray_free( bd->be_nsuffix );
414 if ( !BER_BVISNULL( &bd->be_rootdn ) ) {
415 free( bd->be_rootdn.bv_val );
417 if ( !BER_BVISNULL( &bd->be_rootndn ) ) {
418 free( bd->be_rootndn.bv_val );
420 if ( !BER_BVISNULL( &bd->be_rootpw ) ) {
421 free( bd->be_rootpw.bv_val );
423 acl_destroy( bd->be_acl, frontendDB->be_acl );
424 limits_destroy( bd->be_limits );
425 if ( bd->be_replogfile ) {
426 ch_free( bd->be_replogfile );
428 destroy_replica_info( bd );
429 if ( !BER_BVISNULL( &bd->be_update_ndn ) ) {
430 ch_free( bd->be_update_ndn.bv_val );
432 if ( bd->be_update_refs ) {
433 ber_bvarray_free( bd->be_update_refs );
441 int backend_destroy(void)
446 /* destroy each backend database */
447 while (( bd = LDAP_STAILQ_FIRST(&backendDB))) {
448 backend_destroy_one( bd, 1 );
451 /* destroy each backend type */
452 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
453 if( bi->bi_destroy ) {
454 bi->bi_destroy( bi );
459 LDAP_STAILQ_INIT(&backendInfo);
461 /* destroy frontend database */
464 if ( bd->bd_info->bi_db_destroy ) {
465 bd->bd_info->bi_db_destroy( bd );
467 ber_bvarray_free( bd->be_suffix );
468 ber_bvarray_free( bd->be_nsuffix );
469 if ( !BER_BVISNULL( &bd->be_rootdn ) ) {
470 free( bd->be_rootdn.bv_val );
472 if ( !BER_BVISNULL( &bd->be_rootndn ) ) {
473 free( bd->be_rootndn.bv_val );
475 if ( !BER_BVISNULL( &bd->be_rootpw ) ) {
476 free( bd->be_rootpw.bv_val );
478 acl_destroy( bd->be_acl, frontendDB->be_acl );
480 if ( bd->be_replogfile != NULL ) {
481 free( bd->be_replogfile );
483 assert( bd->be_replica == NULL );
489 BackendInfo* backend_info(const char *type)
493 /* search for the backend type */
494 LDAP_STAILQ_FOREACH(bi,&backendInfo,bi_next) {
495 if( strcasecmp(bi->bi_type, type) == 0 ) {
509 BackendInfo *bi = backend_info(type);
513 fprintf( stderr, "Unrecognized database type (%s)\n", type );
517 be = ch_calloc( 1, sizeof(Backend) );
519 LDAP_STAILQ_INSERT_TAIL(&backendDB, be, be_next);
523 be->be_def_limit = frontendDB->be_def_limit;
524 be->be_dfltaccess = frontendDB->be_dfltaccess;
526 be->be_restrictops = frontendDB->be_restrictops;
527 be->be_requires = frontendDB->be_requires;
528 be->be_ssf_set = frontendDB->be_ssf_set;
530 be->be_pcl_mutexp = &be->be_pcl_mutex;
531 ldap_pvt_thread_mutex_init( be->be_pcl_mutexp );
533 /* assign a default depth limit for alias deref */
534 be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
536 if ( bi->bi_db_init ) {
537 rc = bi->bi_db_init( be );
541 fprintf( stderr, "database init failed (%s)\n", type );
555 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
556 if ( be->bd_info->bi_db_close ) {
557 be->bd_info->bi_db_close( be );
561 if ( frontendDB->bd_info->bi_db_close ) {
562 (*frontendDB->bd_info->bi_db_close)( frontendDB );
574 ber_len_t len, dnlen = dn->bv_len;
575 Backend *be, *b2 = NULL;
577 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
578 if ( be->be_nsuffix == NULL ) {
582 for ( j = 0; !BER_BVISNULL( &be->be_nsuffix[j] ); j++ )
584 if ( ( SLAP_GLUE_SUBORDINATE( be ) ) && noSubs )
589 len = be->be_nsuffix[j].bv_len;
592 /* suffix is longer than DN */
597 * input DN is normalized, so the separator check
598 * need not look at escaping
600 if ( len && len < dnlen &&
601 !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] ))
606 if ( strcmp( be->be_nsuffix[j].bv_val,
607 &dn->bv_val[dnlen-len] ) == 0 )
612 if( manageDSAit && len == dnlen &&
613 !SLAP_GLUE_SUBORDINATE( be ) ) {
617 /* If any parts of the tree are glued, use the first
618 * match regardless of manageDSAit. Otherwise use the
621 if( !( SLAP_DBFLAGS( be ) & ( SLAP_DBFLAG_GLUE_INSTANCE |
622 SLAP_DBFLAG_GLUE_SUBORDINATE )))
636 struct berval *bvsuffix )
640 if ( be->be_nsuffix == NULL ) {
644 for ( i = 0; !BER_BVISNULL( &be->be_nsuffix[i] ); i++ ) {
645 if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) {
654 be_isroot_dn( Backend *be, struct berval *ndn )
656 if ( BER_BVISEMPTY( ndn ) || BER_BVISEMPTY( &be->be_rootndn ) ) {
660 return dn_match( &be->be_rootndn, ndn );
664 be_slurp_update( Operation *op )
666 return ( SLAP_SLURP_SHADOW( op->o_bd ) &&
667 be_isupdate_dn( op->o_bd, &op->o_ndn ) );
671 be_shadow_update( Operation *op )
673 return ( SLAP_SYNC_SHADOW( op->o_bd ) ||
674 ( SLAP_SHADOW( op->o_bd ) && be_isupdate_dn( op->o_bd, &op->o_ndn ) ) );
678 be_isupdate_dn( Backend *be, struct berval *ndn )
680 if ( BER_BVISEMPTY( ndn ) || BER_BVISEMPTY( &be->be_update_ndn ) ) {
684 return dn_match( &be->be_update_ndn, ndn );
688 be_root_dn( Backend *be )
690 return &be->be_rootdn;
694 be_isroot( Operation *op )
696 return be_isroot_dn( op->o_bd, &op->o_ndn );
700 be_isroot_pw( Operation *op )
704 if ( ! be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) {
708 if ( BER_BVISEMPTY( &op->o_bd->be_rootpw ) ) {
713 ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind,
714 op->o_conn->c_sasl_authctx, NULL );
717 result = lutil_passwd( &op->o_bd->be_rootpw, &op->orb_cred, NULL, NULL );
720 ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind, NULL, NULL );
732 if ( op->o_bd->be_release ) {
733 /* free and release entry from backend */
734 return op->o_bd->be_release( op, e, rw );
743 backend_unbind( Operation *op, SlapReply *rs )
747 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
748 if ( be->be_unbind ) {
750 be->be_unbind( op, rs );
758 backend_connection_init(
763 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
764 if ( be->be_connection_init ) {
765 be->be_connection_init( be, conn );
773 backend_connection_destroy(
778 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
779 if ( be->be_connection_destroy ) {
780 be->be_connection_destroy( be, conn);
788 backend_check_controls(
792 LDAPControl **ctrls = op->o_ctrls;
793 rs->sr_err = LDAP_SUCCESS;
796 for( ; *ctrls != NULL ; ctrls++ ) {
799 switch ( slap_global_control( op, (*ctrls)->ldctl_oid, &cid ) ) {
800 case LDAP_CONTROL_NOT_FOUND:
801 /* unrecognized control */
802 if ( (*ctrls)->ldctl_iscritical ) {
803 /* should not be reachable */
804 Debug( LDAP_DEBUG_ANY,
805 "backend_check_controls: unrecognized control: %s\n",
806 (*ctrls)->ldctl_oid, 0, 0 );
811 case LDAP_COMPARE_FALSE:
812 if ( !op->o_bd->be_ctrls[cid] && (*ctrls)->ldctl_iscritical ) {
813 /* Per RFC 2251 (and LDAPBIS discussions), if the control
814 * is recognized and appropriate for the operation (which
815 * we've already verified), then the server should make
816 * use of the control when performing the operation.
818 * Here we find that operation extended by the control
819 * is unavailable in a particular context, and the control
820 * is marked Critical, hence the return of
821 * unwillingToPerform.
823 rs->sr_text = "critical control unavailable in context";
824 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
829 case LDAP_COMPARE_TRUE:
834 Debug( LDAP_DEBUG_ANY,
835 "backend_check_controls: unable to check control: %s\n",
836 (*ctrls)->ldctl_oid, 0, 0 );
839 rs->sr_text = "unable to check control";
840 rs->sr_err = LDAP_OTHER;
846 /* temporarily removed */
848 /* check should be generalized */
849 if( get_manageDIT(op) && !be_isroot(op)) {
850 rs->sr_text = "requires manager authorization";
851 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
860 backend_check_restrictions(
863 struct berval *opdata )
865 slap_mask_t restrictops;
866 slap_mask_t requires;
868 slap_mask_t exopflag = 0;
875 int rc = SLAP_CB_CONTINUE;
877 if ( op->o_bd->be_chk_controls ) {
878 rc = ( *op->o_bd->be_chk_controls )( op, rs );
881 if ( rc == SLAP_CB_CONTINUE ) {
882 rc = backend_check_controls( op, rs );
885 if ( rc != LDAP_SUCCESS ) {
889 restrictops = op->o_bd->be_restrictops;
890 requires = op->o_bd->be_requires;
891 ssf = &op->o_bd->be_ssf_set;
894 restrictops = frontendDB->be_restrictops;
895 requires = frontendDB->be_requires;
896 ssf = &frontendDB->be_ssf_set;
899 switch( op->o_tag ) {
901 opflag = SLAP_RESTRICT_OP_ADD;
905 opflag = SLAP_RESTRICT_OP_BIND;
908 case LDAP_REQ_COMPARE:
909 opflag = SLAP_RESTRICT_OP_COMPARE;
911 case LDAP_REQ_DELETE:
913 opflag = SLAP_RESTRICT_OP_DELETE;
915 case LDAP_REQ_EXTENDED:
916 opflag = SLAP_RESTRICT_OP_EXTENDED;
919 /* treat unspecified as a modify */
920 opflag = SLAP_RESTRICT_OP_MODIFY;
925 if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) {
928 exopflag = SLAP_RESTRICT_EXOP_START_TLS;
932 if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) {
933 exopflag = SLAP_RESTRICT_EXOP_WHOAMI;
937 if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) {
938 exopflag = SLAP_RESTRICT_EXOP_CANCEL;
942 if ( bvmatch( opdata, &slap_EXOP_MODIFY_PASSWD ) ) {
943 exopflag = SLAP_RESTRICT_EXOP_MODIFY_PASSWD;
948 /* treat everything else as a modify */
949 opflag = SLAP_RESTRICT_OP_MODIFY;
953 case LDAP_REQ_MODIFY:
955 opflag = SLAP_RESTRICT_OP_MODIFY;
957 case LDAP_REQ_RENAME:
959 opflag = SLAP_RESTRICT_OP_RENAME;
961 case LDAP_REQ_SEARCH:
962 opflag = SLAP_RESTRICT_OP_SEARCH;
964 case LDAP_REQ_UNBIND:
969 rs->sr_text = "restrict operations internal error";
970 rs->sr_err = LDAP_OTHER;
975 /* these checks don't apply to StartTLS */
977 rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
978 if( op->o_transport_ssf < ssf->sss_transport ) {
979 rs->sr_text = op->o_transport_ssf
980 ? "stronger transport confidentiality required"
981 : "transport confidentiality required";
985 if( op->o_tls_ssf < ssf->sss_tls ) {
986 rs->sr_text = op->o_tls_ssf
987 ? "stronger TLS confidentiality required"
988 : "TLS confidentiality required";
993 if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) {
994 /* simple bind specific check */
995 if( op->o_ssf < ssf->sss_simple_bind ) {
996 rs->sr_text = op->o_ssf
997 ? "stronger confidentiality required"
998 : "confidentiality required";
1003 if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) {
1004 /* these checks don't apply to SASL bind */
1006 if( op->o_sasl_ssf < ssf->sss_sasl ) {
1007 rs->sr_text = op->o_sasl_ssf
1008 ? "stronger SASL confidentiality required"
1009 : "SASL confidentiality required";
1013 if( op->o_ssf < ssf->sss_ssf ) {
1014 rs->sr_text = op->o_ssf
1015 ? "stronger confidentiality required"
1016 : "confidentiality required";
1022 if( op->o_transport_ssf < ssf->sss_update_transport ) {
1023 rs->sr_text = op->o_transport_ssf
1024 ? "stronger transport confidentiality required for update"
1025 : "transport confidentiality required for update";
1029 if( op->o_tls_ssf < ssf->sss_update_tls ) {
1030 rs->sr_text = op->o_tls_ssf
1031 ? "stronger TLS confidentiality required for update"
1032 : "TLS confidentiality required for update";
1036 if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
1037 rs->sr_text = op->o_sasl_ssf
1038 ? "stronger SASL confidentiality required for update"
1039 : "SASL confidentiality required for update";
1043 if( op->o_ssf < ssf->sss_update_ssf ) {
1044 rs->sr_text = op->o_ssf
1045 ? "stronger confidentiality required for update"
1046 : "confidentiality required for update";
1050 if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) &&
1051 BER_BVISEMPTY( &op->o_ndn ) )
1053 rs->sr_text = "modifications require authentication";
1054 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1058 #ifdef SLAP_X_LISTENER_MOD
1059 if ( op->o_conn->c_listener &&
1060 ! ( op->o_conn->c_listener->sl_perms & ( !BER_BVISEMPTY( &op->o_ndn )
1061 ? (S_IWUSR|S_IWOTH) : S_IWOTH ) ) )
1063 /* no "w" mode means readonly */
1064 rs->sr_text = "modifications not allowed on this listener";
1065 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1068 #endif /* SLAP_X_LISTENER_MOD */
1073 /* these checks don't apply to Bind, StartTLS, or Unbind */
1075 if( requires & SLAP_REQUIRE_STRONG ) {
1076 /* should check mechanism */
1077 if( ( op->o_transport_ssf < ssf->sss_transport
1078 && op->o_authtype == LDAP_AUTH_SIMPLE )
1079 || BER_BVISEMPTY( &op->o_dn ) )
1081 rs->sr_text = "strong(er) authentication required";
1082 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1087 if( requires & SLAP_REQUIRE_SASL ) {
1088 if( op->o_authtype != LDAP_AUTH_SASL || BER_BVISEMPTY( &op->o_dn ) ) {
1089 rs->sr_text = "SASL authentication required";
1090 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1095 if( requires & SLAP_REQUIRE_AUTHC ) {
1096 if( BER_BVISEMPTY( &op->o_dn ) ) {
1097 rs->sr_text = "authentication required";
1098 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1103 if( requires & SLAP_REQUIRE_BIND ) {
1105 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
1106 version = op->o_conn->c_protocol;
1107 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
1110 /* no bind has occurred */
1111 rs->sr_text = "BIND required";
1112 rs->sr_err = LDAP_OPERATIONS_ERROR;
1117 if( requires & SLAP_REQUIRE_LDAP_V3 ) {
1118 if( op->o_protocol < LDAP_VERSION3 ) {
1119 /* no bind has occurred */
1120 rs->sr_text = "operation restricted to LDAPv3 clients";
1121 rs->sr_err = LDAP_OPERATIONS_ERROR;
1126 #ifdef SLAP_X_LISTENER_MOD
1127 if ( !starttls && BER_BVISEMPTY( &op->o_dn ) ) {
1128 if ( op->o_conn->c_listener &&
1129 !( op->o_conn->c_listener->sl_perms & S_IXOTH ))
1131 /* no "x" mode means bind required */
1132 rs->sr_text = "bind required on this listener";
1133 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1138 if ( !starttls && !updateop ) {
1139 if ( op->o_conn->c_listener &&
1140 !( op->o_conn->c_listener->sl_perms &
1141 ( !BER_BVISEMPTY( &op->o_dn )
1142 ? (S_IRUSR|S_IROTH) : S_IROTH )))
1144 /* no "r" mode means no read */
1145 rs->sr_text = "read not allowed on this listener";
1146 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1150 #endif /* SLAP_X_LISTENER_MOD */
1154 if( ( restrictops & opflag )
1155 || ( exopflag && ( restrictops & exopflag ) ) ) {
1156 if( ( restrictops & SLAP_RESTRICT_OP_MASK) == SLAP_RESTRICT_OP_READS ) {
1157 rs->sr_text = "read operations restricted";
1158 } else if ( restrictops & exopflag ) {
1159 rs->sr_text = "extended operation restricted";
1161 rs->sr_text = "operation restricted";
1163 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1167 rs->sr_err = LDAP_SUCCESS;
1171 int backend_check_referrals( Operation *op, SlapReply *rs )
1173 rs->sr_err = LDAP_SUCCESS;
1175 if( op->o_bd->be_chk_referrals ) {
1176 rs->sr_err = op->o_bd->be_chk_referrals( op, rs );
1178 if( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL ) {
1179 send_ldap_result( op, rs );
1191 AttributeDescription *at,
1197 if ( op->o_bd == NULL ) {
1198 return LDAP_NO_SUCH_OBJECT;
1201 if ( op->o_bd->be_fetch ) {
1202 return op->o_bd->be_fetch( op, ndn, oc, at, rw, e );
1205 return LDAP_UNWILLING_TO_PERFORM;
1212 struct berval *gr_ndn,
1213 struct berval *op_ndn,
1214 ObjectClass *group_oc,
1215 AttributeDescription *group_at )
1221 Backend *be = op->o_bd;
1223 op->o_bd = select_backend( gr_ndn, 0, 0 );
1225 for ( g = op->o_groups; g; g = g->ga_next ) {
1226 if ( g->ga_be != op->o_bd || g->ga_oc != group_oc ||
1227 g->ga_at != group_at || g->ga_len != gr_ndn->bv_len )
1231 if ( strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0 ) {
1241 if ( target && dn_match( &target->e_nname, gr_ndn ) ) {
1245 rc = be_entry_get_rw( op, gr_ndn, group_oc, group_at, 0, &e );
1248 a = attr_find( e->e_attrs, group_at );
1250 /* If the attribute is a subtype of labeledURI, treat this as
1251 * a dynamic group ala groupOfURLs
1253 if (is_at_subtype( group_at->ad_type,
1254 slap_schema.si_ad_labeledURI->ad_type ) )
1258 struct berval bv, nbase;
1261 Backend *b2 = op->o_bd;
1263 if ( target && dn_match( &target->e_nname, op_ndn ) ) {
1266 op->o_bd = select_backend( op_ndn, 0, 0 );
1267 rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user );
1271 rc = LDAP_COMPARE_FALSE;
1272 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
1273 if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) !=
1278 BER_BVZERO( &nbase );
1279 /* host part must be empty */
1280 /* attrs and extensions parts must be empty */
1281 if ( ( ludp->lud_host && *ludp->lud_host ) ||
1282 ludp->lud_attrs || ludp->lud_exts )
1286 ber_str2bv( ludp->lud_dn, 0, 0, &bv );
1287 if ( dnNormalize( 0, NULL, NULL, &bv, &nbase,
1288 op->o_tmpmemctx ) != LDAP_SUCCESS )
1292 switch ( ludp->lud_scope ) {
1293 case LDAP_SCOPE_BASE:
1294 if ( !dn_match( &nbase, op_ndn ) ) {
1298 case LDAP_SCOPE_ONELEVEL:
1299 dnParent( op_ndn, &bv );
1300 if ( !dn_match( &nbase, &bv ) ) {
1304 case LDAP_SCOPE_SUBTREE:
1305 if ( !dnIsSuffix( op_ndn, &nbase ) ) {
1309 #ifdef LDAP_SCOPE_SUBORDINATE
1310 case LDAP_SCOPE_SUBORDINATE:
1311 if ( dn_match( &nbase, op_ndn ) ||
1312 !dnIsSuffix( op_ndn, &nbase ) )
1318 filter = str2filter_x( op, ludp->lud_filter );
1320 if ( test_filter( NULL, user, filter ) ==
1325 filter_free_x( op, filter );
1328 ldap_free_urldesc( ludp );
1329 if ( !BER_BVISNULL( &nbase ) ) {
1330 op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
1332 if ( rc == 0 ) break;
1334 if ( user != target ) {
1335 be_entry_release_r( op, user );
1340 rc = value_find_ex( group_at,
1341 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
1342 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
1343 a->a_nvals, op_ndn, op->o_tmpmemctx );
1344 if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
1345 rc = LDAP_COMPARE_FALSE;
1348 rc = LDAP_NO_SUCH_ATTRIBUTE;
1351 be_entry_release_r( op, e );
1354 rc = LDAP_NO_SUCH_OBJECT;
1357 if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) {
1358 g = op->o_tmpalloc( sizeof( GroupAssertion ) + gr_ndn->bv_len,
1360 g->ga_be = op->o_bd;
1361 g->ga_oc = group_oc;
1362 g->ga_at = group_at;
1364 g->ga_len = gr_ndn->bv_len;
1365 strcpy( g->ga_ndn, gr_ndn->bv_val );
1366 g->ga_next = op->o_groups;
1378 struct berval *gr_ndn,
1379 struct berval *op_ndn,
1380 ObjectClass *group_oc,
1381 AttributeDescription *group_at )
1386 if ( op->o_abandon ) {
1387 return SLAPD_ABANDON;
1391 op->o_bd = frontendDB;
1392 #ifdef SLAP_OVERLAY_ACCESS
1393 rc = frontendDB->be_group( op, target, gr_ndn,
1394 op_ndn, group_oc, group_at );
1395 #else /* ! SLAP_OVERLAY_ACCESS */
1396 rc = fe_acl_group( op, target, gr_ndn,
1397 op_ndn, group_oc, group_at );
1398 #endif /* ! SLAP_OVERLAY_ACCESS */
1409 AttributeDescription *entry_at,
1411 slap_access_t access )
1414 Attribute *a = NULL;
1415 int freeattr = 0, i, j, rc = LDAP_SUCCESS;
1416 AccessControlState acl_state = ACL_STATE_INIT;
1417 Backend *be = op->o_bd;
1419 op->o_bd = select_backend( edn, 0, 0 );
1421 if ( target && dn_match( &target->e_nname, edn ) ) {
1425 rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
1429 a = attr_find( e->e_attrs, entry_at );
1431 SlapReply rs = { 0 };
1432 AttributeName anlist[ 2 ];
1434 anlist[ 0 ].an_name = entry_at->ad_cname;
1435 anlist[ 0 ].an_desc = entry_at;
1436 BER_BVZERO( &anlist[ 1 ].an_name );
1437 rs.sr_attrs = anlist;
1439 /* NOTE: backend_operational() is also called
1440 * when returning results, so it's supposed
1441 * to do no harm to entries */
1443 rc = backend_operational( op, &rs );
1446 if ( rc == LDAP_SUCCESS ) {
1447 if ( rs.sr_operational_attrs ) {
1449 a = rs.sr_operational_attrs;
1452 rc = LDAP_NO_SUCH_ATTRIBUTE;
1460 if ( op->o_conn && access > ACL_NONE &&
1461 access_allowed( op, e, entry_at, NULL,
1462 access, &acl_state ) == 0 )
1464 rc = LDAP_INSUFFICIENT_ACCESS;
1468 for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
1471 v = op->o_tmpalloc( sizeof(struct berval) * ( i + 1 ),
1473 for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
1475 if ( op->o_conn && access > ACL_NONE &&
1476 access_allowed( op, e, entry_at,
1483 ber_dupbv_x( &v[j], &a->a_nvals[i],
1485 if ( !BER_BVISNULL( &v[j] ) ) {
1490 op->o_tmpfree( v, op->o_tmpmemctx );
1492 rc = LDAP_INSUFFICIENT_ACCESS;
1495 BER_BVZERO( &v[j] );
1500 freeit: if ( e != target ) {
1501 be_entry_release_r( op, e );
1517 AttributeDescription *entry_at,
1519 slap_access_t access )
1525 op->o_bd = frontendDB;
1526 #ifdef SLAP_OVERLAY_ACCESS
1527 rc = frontendDB->be_attribute( op, target, edn,
1528 entry_at, vals, access );
1529 #else /* !SLAP_OVERLAY_ACCESS */
1530 rc = fe_acl_attribute( op, target, edn,
1531 entry_at, vals, access );
1532 #endif /* !SLAP_OVERLAY_ACCESS */
1543 AttributeDescription *entry_at,
1544 struct berval *nval,
1545 slap_access_t access,
1549 int rc = LDAP_INSUFFICIENT_ACCESS;
1550 Backend *be = op->o_bd;
1553 assert( op != NULL );
1554 assert( op->o_conn != NULL );
1555 assert( edn != NULL );
1556 assert( access > ACL_NONE );
1558 op->o_bd = select_backend( edn, 0, 0 );
1560 if ( target && dn_match( &target->e_nname, edn ) ) {
1564 rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
1568 Attribute *a = NULL;
1571 if ( entry_at == NULL ) {
1572 entry_at = slap_schema.si_ad_entry;
1575 if ( entry_at == slap_schema.si_ad_entry || entry_at == slap_schema.si_ad_children )
1577 if ( access_allowed_mask( op, e, entry_at,
1578 NULL, access, NULL, mask ) == 0 )
1580 rc = LDAP_INSUFFICIENT_ACCESS;
1587 a = attr_find( e->e_attrs, entry_at );
1589 SlapReply rs = { 0 };
1590 AttributeName anlist[ 2 ];
1592 anlist[ 0 ].an_name = entry_at->ad_cname;
1593 anlist[ 0 ].an_desc = entry_at;
1594 BER_BVZERO( &anlist[ 1 ].an_name );
1595 rs.sr_attrs = anlist;
1597 rs.sr_attr_flags = slap_attr_flags( rs.sr_attrs );
1599 /* NOTE: backend_operational() is also called
1600 * when returning results, so it's supposed
1601 * to do no harm to entries */
1603 rc = backend_operational( op, &rs );
1606 if ( rc == LDAP_SUCCESS ) {
1607 if ( rs.sr_operational_attrs ) {
1609 a = rs.sr_operational_attrs;
1612 rc = LDAP_NO_SUCH_OBJECT;
1618 if ( access_allowed_mask( op, e, entry_at,
1619 nval, access, NULL, mask ) == 0 )
1621 rc = LDAP_INSUFFICIENT_ACCESS;
1627 freeit: if ( e != target ) {
1628 be_entry_release_r( op, e );
1648 for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
1649 /* just count them */ ;
1652 * If operational attributes (allegedly) are required,
1653 * and the backend supports specific operational attributes,
1654 * add them to the attribute list
1656 if ( SLAP_OPATTRS( rs->sr_attr_flags ) || ( rs->sr_attrs &&
1657 ad_inlist( slap_schema.si_ad_entryDN, rs->sr_attrs ) ) )
1659 *ap = slap_operational_entryDN( rs->sr_entry );
1660 ap = &(*ap)->a_next;
1663 if ( SLAP_OPATTRS( rs->sr_attr_flags ) || ( rs->sr_attrs &&
1664 ad_inlist( slap_schema.si_ad_subschemaSubentry, rs->sr_attrs ) ) )
1666 *ap = slap_operational_subschemaSubentry( op->o_bd );
1667 ap = &(*ap)->a_next;
1670 if ( op->o_bd != NULL )
1672 /* Let the overlays have a chance at this */
1674 op->o_bd = select_backend( &op->o_req_ndn, 0, 0 );
1675 if ( !be_match( op->o_bd, frontendDB ) &&
1676 ( SLAP_OPATTRS( rs->sr_attr_flags ) || rs->sr_attrs ) &&
1677 op->o_bd != NULL && op->o_bd->be_operational != NULL )
1679 rc = op->o_bd->be_operational( op, rs );
1687 int backend_operational( Operation *op, SlapReply *rs )
1692 /* Moved this into the frontend so global overlays are called */
1695 op->o_bd = frontendDB;
1696 rc = frontendDB->be_operational( op, rs );