2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2007 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 */
58 bi->bi_open = meta_back_open;
63 bi->bi_db_init = meta_back_db_init;
64 bi->bi_db_config = meta_back_db_config;
65 bi->bi_db_open = meta_back_db_open;
67 bi->bi_db_destroy = meta_back_db_destroy;
69 bi->bi_op_bind = meta_back_bind;
71 bi->bi_op_search = meta_back_search;
72 bi->bi_op_compare = meta_back_compare;
73 bi->bi_op_modify = meta_back_modify;
74 bi->bi_op_modrdn = meta_back_modrdn;
75 bi->bi_op_add = meta_back_add;
76 bi->bi_op_delete = meta_back_delete;
77 bi->bi_op_abandon = 0;
81 bi->bi_chk_referrals = 0;
83 bi->bi_connection_init = 0;
84 bi->bi_connection_destroy = meta_back_conn_destroy;
97 mi = ch_calloc( 1, sizeof( metainfo_t ) );
103 * At present the default is no default target;
106 mi->mi_defaulttarget = META_DEFAULT_TARGET_NONE;
107 mi->mi_bind_timeout.tv_sec = 0;
108 mi->mi_bind_timeout.tv_usec = META_BIND_TIMEOUT;
110 mi->mi_rebind_f = meta_back_default_rebind;
111 mi->mi_urllist_f = meta_back_default_urllist;
113 ldap_pvt_thread_mutex_init( &mi->mi_conninfo.lai_mutex );
114 ldap_pvt_thread_mutex_init( &mi->mi_cache.mutex );
117 mi->mi_nretries = META_RETRY_DEFAULT;
118 mi->mi_version = LDAP_VERSION3;
120 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
121 mi->mi_conn_priv[ i ].mic_num = 0;
122 LDAP_TAILQ_INIT( &mi->mi_conn_priv[ i ].mic_priv );
124 mi->mi_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
136 metainfo_t *mi = (metainfo_t *)be->be_private;
140 not_always_anon_proxyauthz = 0,
141 not_always_anon_non_prescriptive = 0,
144 if ( mi->mi_ntargets == 0 ) {
145 Debug( LDAP_DEBUG_ANY,
146 "meta_back_db_open: no targets defined\n",
151 for ( i = 0; i < mi->mi_ntargets; i++ ) {
152 slap_bindconf sb = { BER_BVNULL };
153 metatarget_t *mt = mi->mi_targets[ i ];
155 ber_str2bv( mt->mt_uri, 0, 0, &sb.sb_uri );
156 sb.sb_version = mt->mt_version;
157 sb.sb_method = LDAP_AUTH_SIMPLE;
158 BER_BVSTR( &sb.sb_binddn, "" );
160 if ( META_BACK_TGT_T_F_DISCOVER( mt ) ) {
161 rc = slap_discover_feature( &sb,
162 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
163 LDAP_FEATURE_ABSOLUTE_FILTERS );
164 if ( rc == LDAP_COMPARE_TRUE ) {
165 mt->mt_flags |= LDAP_BACK_F_T_F;
169 if ( META_BACK_TGT_CANCEL_DISCOVER( mt ) ) {
170 rc = slap_discover_feature( &sb,
171 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
173 if ( rc == LDAP_COMPARE_TRUE ) {
174 mt->mt_flags |= LDAP_BACK_F_CANCEL_EXOP;
178 if ( not_always == 0 ) {
179 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE )
180 || mt->mt_idassert_authz != NULL )
186 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL )
187 && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
189 Debug( LDAP_DEBUG_ANY, "meta_back_db_open(%s): "
190 "target #%d inconsistent idassert configuration "
191 "(likely authz=\"*\" used with \"non-prescriptive\" flag)\n",
192 be->be_suffix[ 0 ].bv_val, i, 0 );
196 if ( not_always_anon_proxyauthz == 0 ) {
197 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
199 not_always_anon_proxyauthz = 1;
203 if ( not_always_anon_non_prescriptive == 0 ) {
204 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
206 not_always_anon_non_prescriptive = 1;
211 if ( not_always == 0 ) {
212 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_ALWAYS;
215 if ( not_always_anon_proxyauthz == 0 ) {
216 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_ANON;
218 } else if ( not_always_anon_non_prescriptive == 0 ) {
219 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_NOANON;
226 * meta_back_conn_free()
228 * actually frees a connection; the reference count must be 0,
229 * and it must not (or no longer) be in the cache.
235 metaconn_t *mc = v_mc;
238 assert( mc != NULL );
239 assert( mc->mc_refcnt == 0 );
241 /* at least one must be present... */
242 ntargets = mc->mc_info->mi_ntargets;
243 assert( ntargets > 0 );
245 for ( ; ntargets--; ) {
246 (void)meta_clear_one_candidate( NULL, mc, ntargets );
249 if ( !BER_BVISNULL( &mc->mc_local_ndn ) ) {
250 free( mc->mc_local_ndn.bv_val );
260 struct ldapmapping *mapping = v_mapping;
261 ch_free( mapping->src.bv_val );
262 ch_free( mapping->dst.bv_val );
270 struct ldapmapping *mapping = v_mapping;
272 if ( BER_BVISEMPTY( &mapping->dst ) ) {
273 mapping_free( &mapping[ -1 ] );
283 ldap_pvt_thread_mutex_destroy( &mt->mt_uri_mutex );
285 if ( mt->mt_subtree_exclude ) {
286 ber_bvarray_free( mt->mt_subtree_exclude );
288 if ( !BER_BVISNULL( &mt->mt_psuffix ) ) {
289 free( mt->mt_psuffix.bv_val );
291 if ( !BER_BVISNULL( &mt->mt_nsuffix ) ) {
292 free( mt->mt_nsuffix.bv_val );
294 if ( !BER_BVISNULL( &mt->mt_binddn ) ) {
295 free( mt->mt_binddn.bv_val );
297 if ( !BER_BVISNULL( &mt->mt_bindpw ) ) {
298 free( mt->mt_bindpw.bv_val );
300 if ( !BER_BVISNULL( &mt->mt_idassert_authcID ) ) {
301 ch_free( mt->mt_idassert_authcID.bv_val );
303 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) ) {
304 ch_free( mt->mt_idassert_authcDN.bv_val );
306 if ( !BER_BVISNULL( &mt->mt_idassert_passwd ) ) {
307 ch_free( mt->mt_idassert_passwd.bv_val );
309 if ( !BER_BVISNULL( &mt->mt_idassert_authzID ) ) {
310 ch_free( mt->mt_idassert_authzID.bv_val );
312 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_mech ) ) {
313 ch_free( mt->mt_idassert_sasl_mech.bv_val );
315 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_realm ) ) {
316 ch_free( mt->mt_idassert_sasl_realm.bv_val );
318 if ( mt->mt_idassert_authz != NULL ) {
319 ber_bvarray_free( mt->mt_idassert_authz );
321 if ( mt->mt_rwmap.rwm_rw ) {
322 rewrite_info_delete( &mt->mt_rwmap.rwm_rw );
324 avl_free( mt->mt_rwmap.rwm_oc.remap, mapping_dst_free );
325 avl_free( mt->mt_rwmap.rwm_oc.map, mapping_free );
326 avl_free( mt->mt_rwmap.rwm_at.remap, mapping_dst_free );
327 avl_free( mt->mt_rwmap.rwm_at.map, mapping_free );
333 meta_back_db_destroy(
339 if ( be->be_private ) {
342 mi = ( metainfo_t * )be->be_private;
345 * Destroy the connection tree
347 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
349 if ( mi->mi_conninfo.lai_tree ) {
350 avl_free( mi->mi_conninfo.lai_tree, meta_back_conn_free );
352 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
353 while ( !LDAP_TAILQ_EMPTY( &mi->mi_conn_priv[ i ].mic_priv ) ) {
354 metaconn_t *mc = LDAP_TAILQ_FIRST( &mi->mi_conn_priv[ i ].mic_priv );
356 LDAP_TAILQ_REMOVE( &mi->mi_conn_priv[ i ].mic_priv, mc, mc_q );
357 meta_back_conn_free( mc );
362 * Destroy the per-target stuff (assuming there's at
365 if ( mi->mi_targets != NULL ) {
366 for ( i = 0; i < mi->mi_ntargets; i++ ) {
367 metatarget_t *mt = mi->mi_targets[ i ];
369 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
370 if ( mt->mt_quarantine.ri_num != mi->mi_quarantine.ri_num )
372 slap_retry_info_destroy( &mt->mt_quarantine );
375 ldap_pvt_thread_mutex_destroy( &mt->mt_quarantine_mutex );
381 free( mi->mi_targets );
384 ldap_pvt_thread_mutex_lock( &mi->mi_cache.mutex );
385 if ( mi->mi_cache.tree ) {
386 avl_free( mi->mi_cache.tree, meta_dncache_free );
389 ldap_pvt_thread_mutex_unlock( &mi->mi_cache.mutex );
390 ldap_pvt_thread_mutex_destroy( &mi->mi_cache.mutex );
392 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
393 ldap_pvt_thread_mutex_destroy( &mi->mi_conninfo.lai_mutex );
395 if ( mi->mi_candidates != NULL ) {
396 ber_memfree_x( mi->mi_candidates, NULL );
399 if ( META_BACK_QUARANTINE( mi ) ) {
400 slap_retry_info_destroy( &mi->mi_quarantine );
404 free( be->be_private );
408 #if SLAPD_META == SLAPD_MOD_DYNAMIC
410 /* conditionally define the init_module() function */
411 SLAP_BACKEND_INIT_MODULE( meta )
413 #endif /* SLAPD_META == SLAPD_MOD_DYNAMIC */