2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2009 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 = meta_back_db_config;
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;
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;
119 * At present the default is no default target;
122 mi->mi_defaulttarget = META_DEFAULT_TARGET_NONE;
123 mi->mi_bind_timeout.tv_sec = 0;
124 mi->mi_bind_timeout.tv_usec = META_BIND_TIMEOUT;
126 mi->mi_rebind_f = meta_back_default_rebind;
127 mi->mi_urllist_f = meta_back_default_urllist;
129 ldap_pvt_thread_mutex_init( &mi->mi_conninfo.lai_mutex );
130 ldap_pvt_thread_mutex_init( &mi->mi_cache.mutex );
133 mi->mi_nretries = META_RETRY_DEFAULT;
134 mi->mi_version = LDAP_VERSION3;
136 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
137 mi->mi_conn_priv[ i ].mic_num = 0;
138 LDAP_TAILQ_INIT( &mi->mi_conn_priv[ i ].mic_priv );
140 mi->mi_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
142 mi->mi_ldap_extra = (ldap_extra_t *)bi->bi_extra;
154 metainfo_t *mi = (metainfo_t *)be->be_private;
158 not_always_anon_proxyauthz = 0,
159 not_always_anon_non_prescriptive = 0,
162 if ( mi->mi_ntargets == 0 ) {
163 Debug( LDAP_DEBUG_ANY,
164 "meta_back_db_open: no targets defined\n",
169 for ( i = 0; i < mi->mi_ntargets; i++ ) {
170 slap_bindconf sb = { BER_BVNULL };
171 metatarget_t *mt = mi->mi_targets[ i ];
173 ber_str2bv( mt->mt_uri, 0, 0, &sb.sb_uri );
174 sb.sb_version = mt->mt_version;
175 sb.sb_method = LDAP_AUTH_SIMPLE;
176 BER_BVSTR( &sb.sb_binddn, "" );
178 if ( META_BACK_TGT_T_F_DISCOVER( mt ) ) {
179 rc = slap_discover_feature( &sb,
180 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
181 LDAP_FEATURE_ABSOLUTE_FILTERS );
182 if ( rc == LDAP_COMPARE_TRUE ) {
183 mt->mt_flags |= LDAP_BACK_F_T_F;
187 if ( META_BACK_TGT_CANCEL_DISCOVER( mt ) ) {
188 rc = slap_discover_feature( &sb,
189 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
191 if ( rc == LDAP_COMPARE_TRUE ) {
192 mt->mt_flags |= LDAP_BACK_F_CANCEL_EXOP;
196 if ( not_always == 0 ) {
197 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE )
198 || mt->mt_idassert_authz != NULL )
204 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL )
205 && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
207 Debug( LDAP_DEBUG_ANY, "meta_back_db_open(%s): "
208 "target #%d inconsistent idassert configuration "
209 "(likely authz=\"*\" used with \"non-prescriptive\" flag)\n",
210 be->be_suffix[ 0 ].bv_val, i, 0 );
214 if ( not_always_anon_proxyauthz == 0 ) {
215 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
217 not_always_anon_proxyauthz = 1;
221 if ( not_always_anon_non_prescriptive == 0 ) {
222 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
224 not_always_anon_non_prescriptive = 1;
229 if ( not_always == 0 ) {
230 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_ALWAYS;
233 if ( not_always_anon_proxyauthz == 0 ) {
234 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_ANON;
236 } else if ( not_always_anon_non_prescriptive == 0 ) {
237 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_NOANON;
244 * meta_back_conn_free()
246 * actually frees a connection; the reference count must be 0,
247 * and it must not (or no longer) be in the cache.
253 metaconn_t *mc = v_mc;
256 assert( mc != NULL );
257 assert( mc->mc_refcnt == 0 );
259 /* at least one must be present... */
260 ntargets = mc->mc_info->mi_ntargets;
261 assert( ntargets > 0 );
263 for ( ; ntargets--; ) {
264 (void)meta_clear_one_candidate( NULL, mc, ntargets );
267 if ( !BER_BVISNULL( &mc->mc_local_ndn ) ) {
268 free( mc->mc_local_ndn.bv_val );
278 struct ldapmapping *mapping = v_mapping;
279 ch_free( mapping->src.bv_val );
280 ch_free( mapping->dst.bv_val );
288 struct ldapmapping *mapping = v_mapping;
290 if ( BER_BVISEMPTY( &mapping->dst ) ) {
291 mapping_free( &mapping[ -1 ] );
301 ldap_pvt_thread_mutex_destroy( &mt->mt_uri_mutex );
303 if ( mt->mt_subtree_exclude ) {
304 ber_bvarray_free( mt->mt_subtree_exclude );
306 if ( !BER_BVISNULL( &mt->mt_psuffix ) ) {
307 free( mt->mt_psuffix.bv_val );
309 if ( !BER_BVISNULL( &mt->mt_nsuffix ) ) {
310 free( mt->mt_nsuffix.bv_val );
312 if ( !BER_BVISNULL( &mt->mt_binddn ) ) {
313 free( mt->mt_binddn.bv_val );
315 if ( !BER_BVISNULL( &mt->mt_bindpw ) ) {
316 free( mt->mt_bindpw.bv_val );
318 if ( !BER_BVISNULL( &mt->mt_idassert_authcID ) ) {
319 ch_free( mt->mt_idassert_authcID.bv_val );
321 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) ) {
322 ch_free( mt->mt_idassert_authcDN.bv_val );
324 if ( !BER_BVISNULL( &mt->mt_idassert_passwd ) ) {
325 ch_free( mt->mt_idassert_passwd.bv_val );
327 if ( !BER_BVISNULL( &mt->mt_idassert_authzID ) ) {
328 ch_free( mt->mt_idassert_authzID.bv_val );
330 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_mech ) ) {
331 ch_free( mt->mt_idassert_sasl_mech.bv_val );
333 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_realm ) ) {
334 ch_free( mt->mt_idassert_sasl_realm.bv_val );
336 if ( mt->mt_idassert_authz != NULL ) {
337 ber_bvarray_free( mt->mt_idassert_authz );
339 if ( mt->mt_rwmap.rwm_rw ) {
340 rewrite_info_delete( &mt->mt_rwmap.rwm_rw );
342 avl_free( mt->mt_rwmap.rwm_oc.remap, mapping_dst_free );
343 avl_free( mt->mt_rwmap.rwm_oc.map, mapping_free );
344 avl_free( mt->mt_rwmap.rwm_at.remap, mapping_dst_free );
345 avl_free( mt->mt_rwmap.rwm_at.map, mapping_free );
351 meta_back_db_destroy(
357 if ( be->be_private ) {
360 mi = ( metainfo_t * )be->be_private;
363 * Destroy the connection tree
365 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
367 if ( mi->mi_conninfo.lai_tree ) {
368 avl_free( mi->mi_conninfo.lai_tree, meta_back_conn_free );
370 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
371 while ( !LDAP_TAILQ_EMPTY( &mi->mi_conn_priv[ i ].mic_priv ) ) {
372 metaconn_t *mc = LDAP_TAILQ_FIRST( &mi->mi_conn_priv[ i ].mic_priv );
374 LDAP_TAILQ_REMOVE( &mi->mi_conn_priv[ i ].mic_priv, mc, mc_q );
375 meta_back_conn_free( mc );
380 * Destroy the per-target stuff (assuming there's at
383 if ( mi->mi_targets != NULL ) {
384 for ( i = 0; i < mi->mi_ntargets; i++ ) {
385 metatarget_t *mt = mi->mi_targets[ i ];
387 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
388 if ( mt->mt_quarantine.ri_num != mi->mi_quarantine.ri_num )
390 mi->mi_ldap_extra->retry_info_destroy( &mt->mt_quarantine );
393 ldap_pvt_thread_mutex_destroy( &mt->mt_quarantine_mutex );
399 free( mi->mi_targets );
402 ldap_pvt_thread_mutex_lock( &mi->mi_cache.mutex );
403 if ( mi->mi_cache.tree ) {
404 avl_free( mi->mi_cache.tree, meta_dncache_free );
407 ldap_pvt_thread_mutex_unlock( &mi->mi_cache.mutex );
408 ldap_pvt_thread_mutex_destroy( &mi->mi_cache.mutex );
410 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
411 ldap_pvt_thread_mutex_destroy( &mi->mi_conninfo.lai_mutex );
413 if ( mi->mi_candidates != NULL ) {
414 ber_memfree_x( mi->mi_candidates, NULL );
417 if ( META_BACK_QUARANTINE( mi ) ) {
418 mi->mi_ldap_extra->retry_info_destroy( &mi->mi_quarantine );
422 free( be->be_private );
426 #if SLAPD_META == SLAPD_MOD_DYNAMIC
428 /* conditionally define the init_module() function */
429 SLAP_BACKEND_INIT_MODULE( meta )
431 #endif /* SLAPD_META == SLAPD_MOD_DYNAMIC */