2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2015 The OpenLDAP Foundation.
5 * Portions Copyright 2001-2003 Pierangelo Masarati.
6 * Portions Copyright 1999-2003 Howard Chu.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
22 #include <ac/string.h>
23 #include <ac/socket.h>
27 #include "../back-ldap/back-ldap.h"
28 #include "back-meta.h"
34 /* FIXME: need to remove the pagedResults, and likely more... */
35 bi->bi_controls = slap_known_controls;
46 /* this is not (yet) set essentially because back-meta does not
47 * directly support extended operations... */
48 #ifdef LDAP_DYNAMIC_OBJECTS
49 /* this is set because all the support a proxy has to provide
50 * is the capability to forward the refresh exop, and to
51 * pass thru entries that contain the dynamicObject class
52 * and the entryTtl attribute */
54 #endif /* LDAP_DYNAMIC_OBJECTS */
57 /* back-meta recognizes RFC4525 increment;
58 * let the remote server complain, if needed (ITS#5912) */
61 bi->bi_open = meta_back_open;
66 bi->bi_db_init = meta_back_db_init;
67 bi->bi_db_config = config_generic_wrapper;
68 bi->bi_db_open = meta_back_db_open;
70 bi->bi_db_destroy = meta_back_db_destroy;
72 bi->bi_op_bind = meta_back_bind;
74 bi->bi_op_search = meta_back_search;
75 bi->bi_op_compare = meta_back_compare;
76 bi->bi_op_modify = meta_back_modify;
77 bi->bi_op_modrdn = meta_back_modrdn;
78 bi->bi_op_add = meta_back_add;
79 bi->bi_op_delete = meta_back_delete;
80 bi->bi_op_abandon = 0;
84 bi->bi_chk_referrals = 0;
86 bi->bi_connection_init = 0;
87 bi->bi_connection_destroy = meta_back_conn_destroy;
89 return meta_back_init_cf( bi );
101 bi = backend_info( "ldap" );
102 if ( !bi || !bi->bi_extra ) {
103 Debug( LDAP_DEBUG_ANY,
104 "meta_back_db_init: needs back-ldap\n",
109 mi = ch_calloc( 1, sizeof( metainfo_t ) );
114 /* set default flags */
116 META_BACK_F_DEFER_ROOTDN_BIND
117 | META_BACK_F_PROXYAUTHZ_ALWAYS
118 | META_BACK_F_PROXYAUTHZ_ANON
119 | META_BACK_F_PROXYAUTHZ_NOANON;
122 * At present the default is no default target;
125 mi->mi_defaulttarget = META_DEFAULT_TARGET_NONE;
126 mi->mi_bind_timeout.tv_sec = 0;
127 mi->mi_bind_timeout.tv_usec = META_BIND_TIMEOUT;
129 mi->mi_rebind_f = meta_back_default_rebind;
130 mi->mi_urllist_f = meta_back_default_urllist;
132 ldap_pvt_thread_mutex_init( &mi->mi_conninfo.lai_mutex );
133 ldap_pvt_thread_mutex_init( &mi->mi_cache.mutex );
136 mi->mi_nretries = META_RETRY_DEFAULT;
137 mi->mi_version = LDAP_VERSION3;
139 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
140 mi->mi_conn_priv[ i ].mic_num = 0;
141 LDAP_TAILQ_INIT( &mi->mi_conn_priv[ i ].mic_priv );
143 mi->mi_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
145 mi->mi_ldap_extra = (ldap_extra_t *)bi->bi_extra;
148 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
162 slap_bindconf sb = { BER_BVNULL };
163 struct berval mapped;
166 ber_str2bv( mt->mt_uri, 0, 0, &sb.sb_uri );
167 sb.sb_version = mt->mt_version;
168 sb.sb_method = LDAP_AUTH_SIMPLE;
169 BER_BVSTR( &sb.sb_binddn, "" );
171 if ( META_BACK_TGT_T_F_DISCOVER( mt ) ) {
172 rc = slap_discover_feature( &sb,
173 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
174 LDAP_FEATURE_ABSOLUTE_FILTERS );
175 if ( rc == LDAP_COMPARE_TRUE ) {
176 mt->mt_flags |= LDAP_BACK_F_T_F;
180 if ( META_BACK_TGT_CANCEL_DISCOVER( mt ) ) {
181 rc = slap_discover_feature( &sb,
182 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
184 if ( rc == LDAP_COMPARE_TRUE ) {
185 mt->mt_flags |= LDAP_BACK_F_CANCEL_EXOP;
189 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE )
190 || mt->mt_idassert_authz != NULL )
192 mi->mi_flags &= ~META_BACK_F_PROXYAUTHZ_ALWAYS;
195 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL )
196 && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
198 snprintf( msg, msize,
199 "%s: inconsistent idassert configuration "
200 "(likely authz=\"*\" used with \"non-prescriptive\" flag)",
202 Debug( LDAP_DEBUG_ANY, "%s (target %s)\n",
203 msg, mt->mt_uri, 0 );
207 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
209 mi->mi_flags &= ~META_BACK_F_PROXYAUTHZ_ANON;
212 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
214 mi->mi_flags &= ~META_BACK_F_PROXYAUTHZ_NOANON;
217 BER_BVZERO( &mapped );
218 ldap_back_map( &mt->mt_rwmap.rwm_at,
219 &slap_schema.si_ad_entryDN->ad_cname, &mapped,
221 if ( BER_BVISNULL( &mapped ) || mapped.bv_val[0] == '\0' ) {
222 mt->mt_rep_flags |= REP_NO_ENTRYDN;
225 BER_BVZERO( &mapped );
226 ldap_back_map( &mt->mt_rwmap.rwm_at,
227 &slap_schema.si_ad_subschemaSubentry->ad_cname, &mapped,
229 if ( BER_BVISNULL( &mapped ) || mapped.bv_val[0] == '\0' ) {
230 mt->mt_rep_flags |= REP_NO_SUBSCHEMA;
241 metainfo_t *mi = (metainfo_t *)be->be_private;
242 char msg[SLAP_TEXT_BUFLEN];
246 if ( mi->mi_ntargets == 0 ) {
247 /* Dynamically added, nothing to check here until
248 * some targets get added
250 if ( slapMode & SLAP_SERVER_RUNNING )
253 Debug( LDAP_DEBUG_ANY,
254 "meta_back_db_open: no targets defined\n",
259 for ( i = 0; i < mi->mi_ntargets; i++ ) {
260 metatarget_t *mt = mi->mi_targets[ i ];
262 if ( meta_target_finish( mi, mt,
263 "meta_back_db_open", msg, sizeof( msg )))
271 * meta_back_conn_free()
273 * actually frees a connection; the reference count must be 0,
274 * and it must not (or no longer) be in the cache.
280 metaconn_t *mc = v_mc;
283 assert( mc != NULL );
284 assert( mc->mc_refcnt == 0 );
286 /* at least one must be present... */
287 ntargets = mc->mc_info->mi_ntargets;
288 assert( ntargets > 0 );
290 for ( ; ntargets--; ) {
291 (void)meta_clear_one_candidate( NULL, mc, ntargets );
294 if ( !BER_BVISNULL( &mc->mc_local_ndn ) ) {
295 free( mc->mc_local_ndn.bv_val );
305 struct ldapmapping *mapping = v_mapping;
306 ch_free( mapping->src.bv_val );
307 ch_free( mapping->dst.bv_val );
315 struct ldapmapping *mapping = v_mapping;
317 if ( BER_BVISEMPTY( &mapping->dst ) ) {
318 mapping_free( &mapping[ -1 ] );
323 meta_back_map_free( struct ldapmap *lm )
325 avl_free( lm->remap, mapping_dst_free );
326 avl_free( lm->map, mapping_free );
337 ldap_pvt_thread_mutex_destroy( &mt->mt_uri_mutex );
339 if ( mt->mt_subtree ) {
340 meta_subtree_destroy( mt->mt_subtree );
341 mt->mt_subtree = NULL;
343 if ( mt->mt_filter ) {
344 meta_filter_destroy( mt->mt_filter );
345 mt->mt_filter = NULL;
347 if ( !BER_BVISNULL( &mt->mt_psuffix ) ) {
348 free( mt->mt_psuffix.bv_val );
350 if ( !BER_BVISNULL( &mt->mt_nsuffix ) ) {
351 free( mt->mt_nsuffix.bv_val );
353 if ( !BER_BVISNULL( &mt->mt_binddn ) ) {
354 free( mt->mt_binddn.bv_val );
356 if ( !BER_BVISNULL( &mt->mt_bindpw ) ) {
357 free( mt->mt_bindpw.bv_val );
359 if ( !BER_BVISNULL( &mt->mt_idassert_authcID ) ) {
360 ch_free( mt->mt_idassert_authcID.bv_val );
362 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) ) {
363 ch_free( mt->mt_idassert_authcDN.bv_val );
365 if ( !BER_BVISNULL( &mt->mt_idassert_passwd ) ) {
366 ch_free( mt->mt_idassert_passwd.bv_val );
368 if ( !BER_BVISNULL( &mt->mt_idassert_authzID ) ) {
369 ch_free( mt->mt_idassert_authzID.bv_val );
371 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_mech ) ) {
372 ch_free( mt->mt_idassert_sasl_mech.bv_val );
374 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_realm ) ) {
375 ch_free( mt->mt_idassert_sasl_realm.bv_val );
377 if ( mt->mt_idassert_authz != NULL ) {
378 ber_bvarray_free( mt->mt_idassert_authz );
380 if ( mt->mt_rwmap.rwm_rw ) {
381 rewrite_info_delete( &mt->mt_rwmap.rwm_rw );
382 if ( mt->mt_rwmap.rwm_bva_rewrite )
383 ber_bvarray_free( mt->mt_rwmap.rwm_bva_rewrite );
385 meta_back_map_free( &mt->mt_rwmap.rwm_oc );
386 meta_back_map_free( &mt->mt_rwmap.rwm_at );
387 ber_bvarray_free( mt->mt_rwmap.rwm_bva_map );
393 meta_back_db_destroy(
399 if ( be->be_private ) {
402 mi = ( metainfo_t * )be->be_private;
405 * Destroy the connection tree
407 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
409 if ( mi->mi_conninfo.lai_tree ) {
410 avl_free( mi->mi_conninfo.lai_tree, meta_back_conn_free );
412 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
413 while ( !LDAP_TAILQ_EMPTY( &mi->mi_conn_priv[ i ].mic_priv ) ) {
414 metaconn_t *mc = LDAP_TAILQ_FIRST( &mi->mi_conn_priv[ i ].mic_priv );
416 LDAP_TAILQ_REMOVE( &mi->mi_conn_priv[ i ].mic_priv, mc, mc_q );
417 meta_back_conn_free( mc );
422 * Destroy the per-target stuff (assuming there's at
425 if ( mi->mi_targets != NULL ) {
426 for ( i = 0; i < mi->mi_ntargets; i++ ) {
427 metatarget_t *mt = mi->mi_targets[ i ];
429 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
430 if ( mt->mt_quarantine.ri_num != mi->mi_quarantine.ri_num )
432 mi->mi_ldap_extra->retry_info_destroy( &mt->mt_quarantine );
435 ldap_pvt_thread_mutex_destroy( &mt->mt_quarantine_mutex );
441 free( mi->mi_targets );
444 ldap_pvt_thread_mutex_lock( &mi->mi_cache.mutex );
445 if ( mi->mi_cache.tree ) {
446 avl_free( mi->mi_cache.tree, meta_dncache_free );
449 ldap_pvt_thread_mutex_unlock( &mi->mi_cache.mutex );
450 ldap_pvt_thread_mutex_destroy( &mi->mi_cache.mutex );
452 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
453 ldap_pvt_thread_mutex_destroy( &mi->mi_conninfo.lai_mutex );
455 if ( mi->mi_candidates != NULL ) {
456 ber_memfree_x( mi->mi_candidates, NULL );
459 if ( META_BACK_QUARANTINE( mi ) ) {
460 mi->mi_ldap_extra->retry_info_destroy( &mi->mi_quarantine );
464 free( be->be_private );
468 #if SLAPD_META == SLAPD_MOD_DYNAMIC
470 /* conditionally define the init_module() function */
471 SLAP_BACKEND_INIT_MODULE( meta )
473 #endif /* SLAPD_META == SLAPD_MOD_DYNAMIC */