1 /* backend.c - routines for dealing with back-end databases */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2003 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>
47 * If a module is configured as dynamic, its header should not
48 * get included into slapd. While this is a general rule and does
49 * not have much of an effect in UNIX, this rule should be adhered
50 * to for Windows, where dynamic object code should not be implicitly
51 * imported into slapd without appropriate __declspec(dllimport) directives.
54 #if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
55 #include "back-bdb/external.h"
57 #if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
58 #include "back-dnssrv/external.h"
60 #if defined(SLAPD_HDB) && !defined(SLAPD_HDB_DYNAMIC)
61 #include "back-hdb/external.h"
63 #if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
64 #include "back-ldap/external.h"
66 #if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
67 #include "back-ldbm/external.h"
69 #if defined(SLAPD_META) && !defined(SLAPD_META_DYNAMIC)
70 #include "back-meta/external.h"
72 #if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC)
73 #include "back-monitor/external.h"
75 #if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC)
76 #include "back-null/external.h"
78 #if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
79 #include "back-passwd/external.h"
81 #if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
82 #include "back-perl/external.h"
84 #if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
85 #include "back-shell/external.h"
87 #if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
88 #include "back-tcl/external.h"
90 #if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
91 #include "back-sql/external.h"
93 #if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
94 #include "private/external.h"
97 static BackendInfo binfo[] = {
98 #if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
99 {"bdb", bdb_initialize},
101 #if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
102 {"dnssrv", dnssrv_back_initialize},
104 #if defined(SLAPD_HDB) && !defined(SLAPD_HDB_DYNAMIC)
105 {"hdb", hdb_initialize},
107 #if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
108 {"ldap", ldap_back_initialize},
110 #if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
111 {"ldbm", ldbm_back_initialize},
113 #if defined(SLAPD_META) && !defined(SLAPD_META_DYNAMIC)
114 {"meta", meta_back_initialize},
116 #if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC)
117 {"monitor", monitor_back_initialize},
119 #if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC)
120 {"null", null_back_initialize},
122 #if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
123 {"passwd", passwd_back_initialize},
125 #if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
126 {"perl", perl_back_initialize},
128 #if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
129 {"shell", shell_back_initialize},
131 #if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
132 {"tcl", tcl_back_initialize},
134 #if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
135 {"sql", sql_back_initialize},
137 /* for any private backend */
138 #if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
139 {"private", private_back_initialize},
144 int nBackendInfo = 0;
145 BackendInfo *backendInfo = NULL;
148 BackendDB *backendDB = NULL;
150 ldap_pvt_thread_pool_t syncrepl_pool;
151 int syncrepl_pool_max = SLAP_MAX_SYNCREPL_THREADS;
153 int backend_init(void)
157 ldap_pvt_thread_pool_init( &syncrepl_pool, syncrepl_pool_max, 0 );
159 if((nBackendInfo != 0) || (backendInfo != NULL)) {
160 /* already initialized */
162 LDAP_LOG( BACKEND, ERR,
163 "backend_init: backend already initialized\n", 0, 0, 0 );
165 Debug( LDAP_DEBUG_ANY,
166 "backend_init: already initialized.\n", 0, 0, 0 );
172 binfo[nBackendInfo].bi_type != NULL;
175 rc = binfo[nBackendInfo].bi_init( &binfo[nBackendInfo] );
179 LDAP_LOG( BACKEND, INFO,
180 "backend_init: initialized for type \"%s\"\n",
181 binfo[nBackendInfo].bi_type, 0, 0 );
183 Debug( LDAP_DEBUG_ANY,
184 "backend_init: initialized for type \"%s\"\n",
185 binfo[nBackendInfo].bi_type, 0, 0 );
187 /* destroy those we've already inited */
192 if ( binfo[nBackendInfo].bi_destroy ) {
193 binfo[nBackendInfo].bi_destroy(
194 &binfo[nBackendInfo] );
201 if ( nBackendInfo > 0) {
211 LDAP_LOG( BACKEND, ERR, "backend_init: failed\n", 0, 0, 0 );
213 Debug( LDAP_DEBUG_ANY,
214 "backend_init: failed\n",
219 #endif /* SLAPD_MODULES */
222 int backend_add(BackendInfo *aBackendInfo)
226 if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) {
228 LDAP_LOG( BACKEND, ERR,
229 "backend_add: initialization for type \"%s\" failed\n",
230 aBackendInfo->bi_type, 0, 0 );
232 Debug( LDAP_DEBUG_ANY,
233 "backend_add: initialization for type \"%s\" failed\n",
234 aBackendInfo->bi_type, 0, 0 );
239 /* now add the backend type to the Backend Info List */
241 BackendInfo *newBackendInfo = 0;
243 /* if backendInfo == binfo no deallocation of old backendInfo */
244 if (backendInfo == binfo) {
245 newBackendInfo = ch_calloc(nBackendInfo + 1, sizeof(BackendInfo));
246 AC_MEMCPY(newBackendInfo, backendInfo, sizeof(BackendInfo) *
249 newBackendInfo = ch_realloc(backendInfo, sizeof(BackendInfo) *
252 AC_MEMCPY(&newBackendInfo[nBackendInfo], aBackendInfo,
253 sizeof(BackendInfo));
254 backendInfo = newBackendInfo;
261 int backend_startup(Backend *be)
266 if( ! ( nBackendDB > 0 ) ) {
269 LDAP_LOG( BACKEND, INFO,
270 "backend_startup: %d databases to startup. \n", nBackendDB, 0, 0 );
272 Debug( LDAP_DEBUG_ANY,
273 "backend_startup: %d databases to startup.\n",
280 /* startup a specific backend database */
282 LDAP_TAILQ_INIT( &be->be_pending_csn_list );
285 LDAP_LOG( BACKEND, DETAIL1, "backend_startup: starting \"%s\"\n",
286 be->be_suffix[0].bv_val, 0, 0 );
288 Debug( LDAP_DEBUG_TRACE,
289 "backend_startup: starting \"%s\"\n",
290 be->be_suffix[0].bv_val, 0, 0 );
293 if ( be->bd_info->bi_open ) {
294 rc = be->bd_info->bi_open( be->bd_info );
297 LDAP_LOG( BACKEND, CRIT, "backend_startup: bi_open failed!\n", 0, 0, 0 );
299 Debug( LDAP_DEBUG_ANY,
300 "backend_startup: bi_open failed!\n",
308 if ( be->bd_info->bi_db_open ) {
309 rc = be->bd_info->bi_db_open( be );
312 LDAP_LOG( BACKEND, CRIT,
313 "backend_startup: bi_db_open failed! (%d)\n", rc, 0, 0 );
315 Debug( LDAP_DEBUG_ANY,
316 "backend_startup: bi_db_open failed! (%d)\n",
326 /* open each backend type */
327 for( i = 0; i < nBackendInfo; i++ ) {
328 if( backendInfo[i].bi_nDB == 0) {
329 /* no database of this type, don't open */
333 if( backendInfo[i].bi_open ) {
334 rc = backendInfo[i].bi_open(
338 LDAP_LOG( BACKEND, CRIT,
339 "backend_startup: bi_open %d failed!\n", i, 0, 0 );
341 Debug( LDAP_DEBUG_ANY,
342 "backend_startup: bi_open %d failed!\n",
350 ldap_pvt_thread_mutex_init( &syncrepl_rq.rq_mutex );
351 LDAP_STAILQ_INIT( &syncrepl_rq.task_list );
352 LDAP_STAILQ_INIT( &syncrepl_rq.run_list );
354 /* open each backend database */
355 for( i = 0; i < nBackendDB; i++ ) {
356 /* append global access controls */
357 acl_append( &backendDB[i].be_acl, global_acl );
359 LDAP_TAILQ_INIT( &backendDB[i].be_pending_csn_list );
361 if ( backendDB[i].bd_info->bi_db_open ) {
362 rc = backendDB[i].bd_info->bi_db_open(
366 LDAP_LOG( BACKEND, CRIT,
367 "backend_startup: bi_db_open(%d) failed! (%d)\n", i, rc, 0 );
369 Debug( LDAP_DEBUG_ANY,
370 "backend_startup: bi_db_open(%d) failed! (%d)\n",
377 if ( !LDAP_STAILQ_EMPTY( &backendDB[i].be_syncinfo )) {
379 LDAP_STAILQ_FOREACH( si, &backendDB[i].be_syncinfo, si_next ) {
380 si->si_be = &backendDB[i];
382 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
383 ldap_pvt_runqueue_insert( &syncrepl_rq,
384 si->si_interval, do_syncrepl, (void *) si );
385 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
393 int backend_num( Backend *be )
397 if( be == NULL ) return -1;
399 for( i = 0; i < nBackendDB; i++ ) {
400 if( be == &backendDB[i] ) return i;
405 int backend_shutdown( Backend *be )
411 /* shutdown a specific backend database */
413 if ( be->bd_info->bi_nDB == 0 ) {
414 /* no database of this type, we never opened it */
418 if ( be->bd_info->bi_db_close ) {
419 be->bd_info->bi_db_close( be );
422 if( be->bd_info->bi_close ) {
423 be->bd_info->bi_close( be->bd_info );
429 /* close each backend database */
430 for( i = 0; i < nBackendDB; i++ ) {
431 if ( backendDB[i].bd_info->bi_db_close ) {
432 backendDB[i].bd_info->bi_db_close(
438 LDAP_LOG( BACKEND, NOTICE,
439 "backend_shutdown: bi_close %s failed!\n",
440 backendDB[i].be_type, 0, 0 );
442 Debug( LDAP_DEBUG_ANY,
443 "backend_close: bi_close %s failed!\n",
444 backendDB[i].be_type, 0, 0 );
449 /* close each backend type */
450 for( i = 0; i < nBackendInfo; i++ ) {
451 if( backendInfo[i].bi_nDB == 0 ) {
452 /* no database of this type */
456 if( backendInfo[i].bi_close ) {
457 backendInfo[i].bi_close(
465 int backend_destroy(void)
470 ldap_pvt_thread_pool_destroy( &syncrepl_pool, 1 );
472 /* destroy each backend database */
473 for( i = 0, bd = backendDB; i < nBackendDB; i++, bd++ ) {
474 if ( bd->bd_info->bi_db_destroy ) {
475 bd->bd_info->bi_db_destroy( bd );
477 ber_bvarray_free( bd->be_suffix );
478 ber_bvarray_free( bd->be_nsuffix );
479 if ( bd->be_rootdn.bv_val ) free( bd->be_rootdn.bv_val );
480 if ( bd->be_rootndn.bv_val ) free( bd->be_rootndn.bv_val );
481 if ( bd->be_rootpw.bv_val ) free( bd->be_rootpw.bv_val );
482 acl_destroy( bd->be_acl, global_acl );
486 /* destroy each backend type */
487 for( i = 0; i < nBackendInfo; i++ ) {
488 if( backendInfo[i].bi_destroy ) {
489 backendInfo[i].bi_destroy(
495 if (backendInfo != binfo) {
498 #endif /* SLAPD_MODULES */
506 BackendInfo* backend_info(const char *type)
510 /* search for the backend type */
511 for( i = 0; i < nBackendInfo; i++ ) {
512 if( strcasecmp(backendInfo[i].bi_type, type) == 0 ) {
513 return &backendInfo[i];
527 BackendInfo *bi = backend_info(type);
531 fprintf( stderr, "Unrecognized database type (%s)\n", type );
535 backendDB = (BackendDB *) ch_realloc(
537 (nBackendDB + 1) * sizeof(Backend) );
539 memset( &backendDB[nbackends], '\0', sizeof(Backend) );
541 be = &backends[nbackends++];
544 be->be_def_limit = deflimit;
545 be->be_dfltaccess = global_default_access;
547 be->be_restrictops = global_restrictops;
548 be->be_requires = global_requires;
549 be->be_ssf_set = global_ssf_set;
551 be->be_context_csn.bv_len = 0;
552 be->be_context_csn.bv_val = NULL;
553 ldap_pvt_thread_mutex_init( &be->be_pcl_mutex );
554 ldap_pvt_thread_mutex_init( &be->be_context_csn_mutex );
556 LDAP_STAILQ_INIT( &be->be_syncinfo );
558 /* assign a default depth limit for alias deref */
559 be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
562 rc = bi->bi_db_init( be );
566 fprintf( stderr, "database init failed (%s)\n", type );
580 for ( i = 0; i < nbackends; i++ ) {
581 if ( backends[i].bd_info->bi_db_close ) {
582 (*backends[i].bd_info->bi_db_close)( &backends[i] );
594 ber_len_t len, dnlen = dn->bv_len;
597 for ( i = 0; i < nbackends; i++ ) {
598 for ( j = 0; backends[i].be_nsuffix != NULL &&
599 backends[i].be_nsuffix[j].bv_val != NULL; j++ )
601 if ( ( SLAP_GLUE_SUBORDINATE( &backends[i] ) )
607 len = backends[i].be_nsuffix[j].bv_len;
610 /* suffix is longer than DN */
615 * input DN is normalized, so the separator check
616 * need not look at escaping
618 if ( len && len < dnlen &&
619 !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] ))
624 if ( strcmp( backends[i].be_nsuffix[j].bv_val,
625 &dn->bv_val[dnlen-len] ) == 0 )
630 if( manageDSAit && len == dnlen &&
631 !SLAP_GLUE_SUBORDINATE( be ) ) {
648 struct berval *bvsuffix
653 for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i].bv_val != NULL; i++ ) {
654 if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) {
663 be_isroot( Backend *be, struct berval *ndn )
665 if ( !ndn->bv_len ) {
669 if ( !be->be_rootndn.bv_len ) {
673 return dn_match( &be->be_rootndn, ndn );
677 be_isupdate( Backend *be, struct berval *ndn )
679 if ( !ndn->bv_len ) {
683 if ( !be->be_update_ndn.bv_len ) {
687 return dn_match( &be->be_update_ndn, ndn );
691 be_root_dn( Backend *be )
693 return &be->be_rootdn;
697 be_isroot_pw( Operation *op )
702 if ( ! be_isroot( op->o_bd, &op->o_req_ndn ) ) {
706 if( op->o_bd->be_rootpw.bv_len == 0 ) {
710 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
711 ldap_pvt_thread_mutex_lock( &passwd_mutex );
713 lutil_passwd_sasl_conn = op->o_conn->c_sasl_authctx;
717 result = lutil_passwd( &op->o_bd->be_rootpw, &op->orb_cred, NULL, NULL );
719 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
721 lutil_passwd_sasl_conn = NULL;
723 ldap_pvt_thread_mutex_unlock( &passwd_mutex );
735 if ( op->o_bd->be_release ) {
736 /* free and release entry from backend */
737 return op->o_bd->be_release( op, e, rw );
746 backend_unbind( Operation *op, SlapReply *rs )
750 for ( i = 0; i < nbackends; i++ ) {
751 #if defined( LDAP_SLAPI )
754 if ( i == 0 ) slapi_int_pblock_set_operation( op->o_pb, op );
755 slapi_pblock_set( op->o_pb, SLAPI_BACKEND, (void *)&backends[i] );
756 rc = doPluginFNs( &backends[i], SLAPI_PLUGIN_PRE_UNBIND_FN,
757 (Slapi_PBlock *)op->o_pb );
760 * A preoperation plugin failure will abort the
764 LDAP_LOG( OPERATION, INFO, "do_bind: Unbind preoperation plugin "
765 "failed\n", 0, 0, 0);
767 Debug(LDAP_DEBUG_TRACE, "do_bind: Unbind preoperation plugin "
768 "failed.\n", 0, 0, 0);
773 #endif /* defined( LDAP_SLAPI ) */
775 if ( backends[i].be_unbind ) {
776 op->o_bd = &backends[i];
777 (*backends[i].be_unbind)( op, rs );
780 #if defined( LDAP_SLAPI )
781 if ( op->o_pb && doPluginFNs( &backends[i], SLAPI_PLUGIN_POST_UNBIND_FN,
782 (Slapi_PBlock *)op->o_pb ) < 0 ) {
784 LDAP_LOG( OPERATION, INFO, "do_unbind: Unbind postoperation plugins "
785 "failed\n", 0, 0, 0);
787 Debug(LDAP_DEBUG_TRACE, "do_unbind: Unbind postoperation plugins "
788 "failed.\n", 0, 0, 0);
791 #endif /* defined( LDAP_SLAPI ) */
798 backend_connection_init(
804 for ( i = 0; i < nbackends; i++ ) {
805 if ( backends[i].be_connection_init ) {
806 (*backends[i].be_connection_init)( &backends[i], conn);
814 backend_connection_destroy(
820 for ( i = 0; i < nbackends; i++ ) {
821 if ( backends[i].be_connection_destroy ) {
822 (*backends[i].be_connection_destroy)( &backends[i], conn);
830 backend_check_controls(
834 LDAPControl **ctrls = op->o_ctrls;
835 rs->sr_err = LDAP_SUCCESS;
838 for( ; *ctrls != NULL ; ctrls++ ) {
839 if( (*ctrls)->ldctl_iscritical && !ldap_charray_inlist(
840 op->o_bd->be_controls, (*ctrls)->ldctl_oid ) )
842 rs->sr_text = "control unavailable in context";
843 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
853 backend_check_restrictions(
856 struct berval *opdata )
858 slap_mask_t restrictops;
859 slap_mask_t requires;
867 if ( backend_check_controls( op, rs ) != LDAP_SUCCESS ) {
871 restrictops = op->o_bd->be_restrictops;
872 requires = op->o_bd->be_requires;
873 ssf = &op->o_bd->be_ssf_set;
876 restrictops = global_restrictops;
877 requires = global_requires;
878 ssf = &global_ssf_set;
881 switch( op->o_tag ) {
883 opflag = SLAP_RESTRICT_OP_ADD;
887 opflag = SLAP_RESTRICT_OP_BIND;
890 case LDAP_REQ_COMPARE:
891 opflag = SLAP_RESTRICT_OP_COMPARE;
893 case LDAP_REQ_DELETE:
895 opflag = SLAP_RESTRICT_OP_DELETE;
897 case LDAP_REQ_EXTENDED:
898 opflag = SLAP_RESTRICT_OP_EXTENDED;
901 /* treat unspecified as a modify */
902 opflag = SLAP_RESTRICT_OP_MODIFY;
908 if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) {
916 if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) {
921 #ifdef LDAP_EXOP_X_CANCEL
923 if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) {
929 /* treat everything else as a modify */
930 opflag = SLAP_RESTRICT_OP_MODIFY;
934 case LDAP_REQ_MODIFY:
936 opflag = SLAP_RESTRICT_OP_MODIFY;
938 case LDAP_REQ_RENAME:
940 opflag = SLAP_RESTRICT_OP_RENAME;
942 case LDAP_REQ_SEARCH:
943 opflag = SLAP_RESTRICT_OP_SEARCH;
945 case LDAP_REQ_UNBIND:
950 rs->sr_text = "restrict operations internal error";
951 rs->sr_err = LDAP_OTHER;
956 /* these checks don't apply to StartTLS */
958 rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
959 if( op->o_transport_ssf < ssf->sss_transport ) {
960 rs->sr_text = "transport confidentiality required";
964 if( op->o_tls_ssf < ssf->sss_tls ) {
965 rs->sr_text = "TLS confidentiality required";
970 if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) {
971 /* simple bind specific check */
972 if( op->o_ssf < ssf->sss_simple_bind ) {
973 rs->sr_text = "confidentiality required";
978 if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) {
979 /* these checks don't apply to SASL bind */
981 if( op->o_sasl_ssf < ssf->sss_sasl ) {
982 rs->sr_text = "SASL confidentiality required";
986 if( op->o_ssf < ssf->sss_ssf ) {
987 rs->sr_text = "confidentiality required";
993 if( op->o_transport_ssf < ssf->sss_update_transport ) {
994 rs->sr_text = "transport update confidentiality required";
998 if( op->o_tls_ssf < ssf->sss_update_tls ) {
999 rs->sr_text = "TLS update confidentiality required";
1003 if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
1004 rs->sr_text = "SASL update confidentiality required";
1008 if( op->o_ssf < ssf->sss_update_ssf ) {
1009 rs->sr_text = "update confidentiality required";
1013 if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) &&
1014 op->o_ndn.bv_len == 0 )
1016 rs->sr_text = "modifications require authentication";
1017 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1021 #ifdef SLAP_X_LISTENER_MOD
1022 if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & ( op->o_ndn.bv_len > 0 ? S_IWUSR : S_IWOTH ) ) ) {
1023 /* no "w" mode means readonly */
1024 rs->sr_text = "modifications not allowed on this listener";
1025 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1028 #endif /* SLAP_X_LISTENER_MOD */
1033 /* these checks don't apply to Bind, StartTLS, or Unbind */
1035 if( requires & SLAP_REQUIRE_STRONG ) {
1036 /* should check mechanism */
1037 if( ( op->o_transport_ssf < ssf->sss_transport
1038 && op->o_authtype == LDAP_AUTH_SIMPLE ) || op->o_dn.bv_len == 0 )
1040 rs->sr_text = "strong authentication required";
1041 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1046 if( requires & SLAP_REQUIRE_SASL ) {
1047 if( op->o_authtype != LDAP_AUTH_SASL || op->o_dn.bv_len == 0 ) {
1048 rs->sr_text = "SASL authentication required";
1049 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1054 if( requires & SLAP_REQUIRE_AUTHC ) {
1055 if( op->o_dn.bv_len == 0 ) {
1056 rs->sr_text = "authentication required";
1057 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1062 if( requires & SLAP_REQUIRE_BIND ) {
1064 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
1065 version = op->o_conn->c_protocol;
1066 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
1069 /* no bind has occurred */
1070 rs->sr_text = "BIND required";
1071 rs->sr_err = LDAP_OPERATIONS_ERROR;
1076 if( requires & SLAP_REQUIRE_LDAP_V3 ) {
1077 if( op->o_protocol < LDAP_VERSION3 ) {
1078 /* no bind has occurred */
1079 rs->sr_text = "operation restricted to LDAPv3 clients";
1080 rs->sr_err = LDAP_OPERATIONS_ERROR;
1085 #ifdef SLAP_X_LISTENER_MOD
1086 if ( !starttls && op->o_dn.bv_len == 0 ) {
1087 if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & S_IXOTH ) ) {
1088 /* no "x" mode means bind required */
1089 rs->sr_text = "bind required on this listener";
1090 rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
1095 if ( !starttls && !updateop ) {
1096 if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & ( op->o_dn.bv_len > 0 ? S_IRUSR : S_IROTH ) ) ) {
1097 /* no "r" mode means no read */
1098 rs->sr_text = "read not allowed on this listener";
1099 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1103 #endif /* SLAP_X_LISTENER_MOD */
1107 if( restrictops & opflag ) {
1108 if( restrictops == SLAP_RESTRICT_OP_READS ) {
1109 rs->sr_text = "read operations restricted";
1111 rs->sr_text = "operation restricted";
1113 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1117 rs->sr_err = LDAP_SUCCESS;
1121 int backend_check_referrals( Operation *op, SlapReply *rs )
1123 rs->sr_err = LDAP_SUCCESS;
1125 if( op->o_bd->be_chk_referrals ) {
1126 rs->sr_err = op->o_bd->be_chk_referrals( op, rs );
1128 if( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL ) {
1129 send_ldap_result( op, rs );
1141 AttributeDescription *at,
1149 if (op->o_bd == NULL) {
1150 rc = LDAP_NO_SUCH_OBJECT;
1151 } else if ( op->o_bd->be_fetch ) {
1152 rc = ( op->o_bd->be_fetch )( op, ndn,
1155 rc = LDAP_UNWILLING_TO_PERFORM;
1164 struct berval *gr_ndn,
1165 struct berval *op_ndn,
1166 ObjectClass *group_oc,
1167 AttributeDescription *group_at
1174 Backend *be = op->o_bd;
1176 if ( op->o_abandon ) return SLAPD_ABANDON;
1178 op->o_bd = select_backend( gr_ndn, 0, 0 );
1180 for (g = op->o_groups; g; g=g->ga_next) {
1181 if (g->ga_be != op->o_bd || g->ga_oc != group_oc ||
1182 g->ga_at != group_at || g->ga_len != gr_ndn->bv_len)
1184 if (strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0)
1193 if ( target && dn_match( &target->e_nname, gr_ndn ) ) {
1197 rc = be_entry_get_rw(op, gr_ndn, group_oc, group_at, 0, &e );
1200 a = attr_find( e->e_attrs, group_at );
1202 /* If the attribute is a subtype of labeledURI, treat this as
1203 * a dynamic group ala groupOfURLs
1205 if (is_at_subtype( group_at->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
1208 struct berval bv, nbase;
1211 Backend *b2 = op->o_bd;
1213 if ( target && dn_match( &target->e_nname, op_ndn ) ) {
1216 op->o_bd = select_backend( op_ndn, 0, 0 );
1217 rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user );
1222 for (i=0; a->a_vals[i].bv_val; i++) {
1223 if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) != LDAP_SUCCESS )
1225 nbase.bv_val = NULL;
1226 /* host part must be empty */
1227 /* attrs and extensions parts must be empty */
1228 if (( ludp->lud_host && *ludp->lud_host )
1229 || ludp->lud_attrs || ludp->lud_exts )
1231 ber_str2bv( ludp->lud_dn, 0, 0, &bv );
1232 if ( dnNormalize( 0, NULL, NULL, &bv, &nbase, op->o_tmpmemctx ) != LDAP_SUCCESS )
1234 switch(ludp->lud_scope) {
1235 case LDAP_SCOPE_BASE:
1236 if ( !dn_match(&nbase, op_ndn)) goto loopit;
1238 case LDAP_SCOPE_ONELEVEL:
1239 dnParent(op_ndn, &bv );
1240 if ( !dn_match(&nbase, &bv)) goto loopit;
1242 case LDAP_SCOPE_SUBTREE:
1243 if ( !dnIsSuffix(op_ndn, &nbase)) goto loopit;
1246 filter = str2filter_x( op, ludp->lud_filter );
1248 if ( test_filter( NULL, user, filter ) == LDAP_COMPARE_TRUE )
1252 filter_free_x( op, filter );
1255 ldap_free_urldesc( ludp );
1256 if ( nbase.bv_val ) {
1257 op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
1259 if ( rc == 0 ) break;
1261 if ( user != target ) {
1262 be_entry_release_r( op, user );
1267 rc = value_find_ex( group_at,
1268 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
1269 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
1270 a->a_nvals, op_ndn, op->o_tmpmemctx );
1273 rc = LDAP_NO_SUCH_ATTRIBUTE;
1276 be_entry_release_r( op, e );
1279 rc = LDAP_NO_SUCH_OBJECT;
1282 if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) {
1283 g = sl_malloc(sizeof(GroupAssertion) + gr_ndn->bv_len, op->o_tmpmemctx);
1284 g->ga_be = op->o_bd;
1285 g->ga_oc = group_oc;
1286 g->ga_at = group_at;
1288 g->ga_len = gr_ndn->bv_len;
1289 strcpy(g->ga_ndn, gr_ndn->bv_val);
1290 g->ga_next = op->o_groups;
1303 AttributeDescription *entry_at,
1309 int i, j, rc = LDAP_SUCCESS;
1310 AccessControlState acl_state = ACL_STATE_INIT;
1311 Backend *be = op->o_bd;
1313 op->o_bd = select_backend( edn, 0, 0 );
1315 if ( target && dn_match( &target->e_nname, edn ) ) {
1318 rc = be_entry_get_rw(op, edn, NULL, entry_at, 0, &e );
1322 a = attr_find( e->e_attrs, entry_at );
1326 if ( op->o_conn && access_allowed( op,
1327 e, entry_at, NULL, ACL_AUTH,
1328 &acl_state ) == 0 ) {
1329 rc = LDAP_INSUFFICIENT_ACCESS;
1333 for ( i=0; a->a_vals[i].bv_val; i++ ) ;
1335 v = op->o_tmpalloc( sizeof(struct berval) * (i+1), op->o_tmpmemctx );
1336 for ( i=0,j=0; a->a_vals[i].bv_val; i++ ) {
1337 if ( op->o_conn && access_allowed( op,
1340 ACL_AUTH, &acl_state ) == 0 ) {
1344 &a->a_nvals[i], op->o_tmpmemctx );
1345 if (v[j].bv_val ) j++;
1348 op->o_tmpfree( v, op->o_tmpmemctx );
1350 rc = LDAP_INSUFFICIENT_ACCESS;
1358 freeit: if (e != target ) {
1359 be_entry_release_r( op, e );
1367 Attribute *backend_operational(
1372 Attribute *a = NULL, **ap = &a;
1375 * If operational attributes (allegedly) are required,
1376 * and the backend supports specific operational attributes,
1377 * add them to the attribute list
1379 if ( opattrs || ( op->ors_attrs &&
1380 ad_inlist( slap_schema.si_ad_subschemaSubentry, op->ors_attrs )) ) {
1381 *ap = slap_operational_subschemaSubentry( op->o_bd );
1382 ap = &(*ap)->a_next;
1385 if ( ( opattrs || op->ors_attrs ) && op->o_bd && op->o_bd->be_operational != NULL ) {
1386 ( void )op->o_bd->be_operational( op, rs, opattrs, ap );