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>
26 #include "../back-ldap/back-ldap.h"
27 #include "back-meta.h"
33 /* FIXME: need to remove the pagedResults, and likely more... */
34 bi->bi_controls = slap_known_controls;
45 /* this is not (yet) set essentially because back-meta does not
46 * directly support extended operations... */
47 #ifdef LDAP_DYNAMIC_OBJECTS
48 /* this is set because all the support a proxy has to provide
49 * is the capability to forward the refresh exop, and to
50 * pass thru entries that contain the dynamicObject class
51 * and the entryTtl attribute */
53 #endif /* LDAP_DYNAMIC_OBJECTS */
57 bi->bi_open = meta_back_open;
62 bi->bi_db_init = meta_back_db_init;
63 bi->bi_db_config = meta_back_db_config;
64 bi->bi_db_open = meta_back_db_open;
66 bi->bi_db_destroy = meta_back_db_destroy;
68 bi->bi_op_bind = meta_back_bind;
70 bi->bi_op_search = meta_back_search;
71 bi->bi_op_compare = meta_back_compare;
72 bi->bi_op_modify = meta_back_modify;
73 bi->bi_op_modrdn = meta_back_modrdn;
74 bi->bi_op_add = meta_back_add;
75 bi->bi_op_delete = meta_back_delete;
76 bi->bi_op_abandon = 0;
80 bi->bi_chk_referrals = 0;
82 bi->bi_connection_init = 0;
83 bi->bi_connection_destroy = meta_back_conn_destroy;
95 mi = ch_calloc( 1, sizeof( metainfo_t ) );
101 * At present the default is no default target;
104 mi->mi_defaulttarget = META_DEFAULT_TARGET_NONE;
105 mi->mi_bind_timeout.tv_sec = 0;
106 mi->mi_bind_timeout.tv_usec = META_BIND_TIMEOUT;
108 mi->mi_rebind_f = meta_back_default_rebind;
109 mi->mi_urllist_f = meta_back_default_urllist;
111 ldap_pvt_thread_mutex_init( &mi->mi_conninfo.lai_mutex );
112 ldap_pvt_thread_mutex_init( &mi->mi_cache.mutex );
115 mi->mi_nretries = META_RETRY_DEFAULT;
116 mi->mi_version = LDAP_VERSION3;
118 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
119 mi->mi_conn_priv[ i ].mic_num = 0;
120 LDAP_TAILQ_INIT( &mi->mi_conn_priv[ i ].mic_priv );
122 mi->mi_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
133 metainfo_t *mi = (metainfo_t *)be->be_private;
137 not_always_anon_proxyauthz = 0,
138 not_always_anon_non_prescriptive = 0,
141 if ( mi->mi_ntargets == 0 ) {
142 Debug( LDAP_DEBUG_ANY,
143 "meta_back_db_open: no targets defined\n",
148 for ( i = 0; i < mi->mi_ntargets; i++ ) {
149 slap_bindconf sb = { BER_BVNULL };
150 metatarget_t *mt = mi->mi_targets[ i ];
152 ber_str2bv( mt->mt_uri, 0, 0, &sb.sb_uri );
153 sb.sb_version = mt->mt_version;
154 sb.sb_method = LDAP_AUTH_SIMPLE;
155 BER_BVSTR( &sb.sb_binddn, "" );
157 if ( META_BACK_TGT_T_F_DISCOVER( mt ) ) {
158 rc = slap_discover_feature( &sb,
159 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
160 LDAP_FEATURE_ABSOLUTE_FILTERS );
161 if ( rc == LDAP_COMPARE_TRUE ) {
162 mt->mt_flags |= LDAP_BACK_F_T_F;
166 if ( META_BACK_TGT_CANCEL_DISCOVER( mt ) ) {
167 rc = slap_discover_feature( &sb,
168 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
170 if ( rc == LDAP_COMPARE_TRUE ) {
171 mt->mt_flags |= LDAP_BACK_F_CANCEL_EXOP;
175 if ( not_always == 0 ) {
176 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE )
177 || mt->mt_idassert_authz != NULL )
183 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL )
184 && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
186 Debug( LDAP_DEBUG_ANY, "meta_back_db_open(%s): "
187 "target #%d inconsistent idassert configuration "
188 "(likely authz=\"*\" used with \"non-prescriptive\" flag)\n",
189 be->be_suffix[ 0 ].bv_val, i, 0 );
193 if ( not_always_anon_proxyauthz == 0 ) {
194 if ( !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
196 not_always_anon_proxyauthz = 1;
200 if ( not_always_anon_non_prescriptive == 0 ) {
201 if ( ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) )
203 not_always_anon_non_prescriptive = 1;
208 if ( not_always == 0 ) {
209 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_ALWAYS;
212 if ( not_always_anon_proxyauthz == 0 ) {
213 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_ANON;
215 } else if ( not_always_anon_non_prescriptive == 0 ) {
216 mi->mi_flags |= META_BACK_F_PROXYAUTHZ_NOANON;
223 * meta_back_conn_free()
225 * actually frees a connection; the reference count must be 0,
226 * and it must not (or no longer) be in the cache.
232 metaconn_t *mc = v_mc;
235 assert( mc != NULL );
236 assert( mc->mc_refcnt == 0 );
238 /* at least one must be present... */
239 ntargets = mc->mc_info->mi_ntargets;
240 assert( ntargets > 0 );
242 for ( ; ntargets--; ) {
243 (void)meta_clear_one_candidate( NULL, mc, ntargets );
246 if ( !BER_BVISNULL( &mc->mc_local_ndn ) ) {
247 free( mc->mc_local_ndn.bv_val );
257 struct ldapmapping *mapping = v_mapping;
258 ch_free( mapping->src.bv_val );
259 ch_free( mapping->dst.bv_val );
267 struct ldapmapping *mapping = v_mapping;
269 if ( BER_BVISEMPTY( &mapping->dst ) ) {
270 mapping_free( &mapping[ -1 ] );
280 ldap_pvt_thread_mutex_destroy( &mt->mt_uri_mutex );
282 if ( mt->mt_subtree_exclude ) {
283 ber_bvarray_free( mt->mt_subtree_exclude );
285 if ( !BER_BVISNULL( &mt->mt_psuffix ) ) {
286 free( mt->mt_psuffix.bv_val );
288 if ( !BER_BVISNULL( &mt->mt_nsuffix ) ) {
289 free( mt->mt_nsuffix.bv_val );
291 if ( !BER_BVISNULL( &mt->mt_binddn ) ) {
292 free( mt->mt_binddn.bv_val );
294 if ( !BER_BVISNULL( &mt->mt_bindpw ) ) {
295 free( mt->mt_bindpw.bv_val );
297 if ( !BER_BVISNULL( &mt->mt_idassert_authcID ) ) {
298 ch_free( mt->mt_idassert_authcID.bv_val );
300 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) ) {
301 ch_free( mt->mt_idassert_authcDN.bv_val );
303 if ( !BER_BVISNULL( &mt->mt_idassert_passwd ) ) {
304 ch_free( mt->mt_idassert_passwd.bv_val );
306 if ( !BER_BVISNULL( &mt->mt_idassert_authzID ) ) {
307 ch_free( mt->mt_idassert_authzID.bv_val );
309 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_mech ) ) {
310 ch_free( mt->mt_idassert_sasl_mech.bv_val );
312 if ( !BER_BVISNULL( &mt->mt_idassert_sasl_realm ) ) {
313 ch_free( mt->mt_idassert_sasl_realm.bv_val );
315 if ( mt->mt_idassert_authz != NULL ) {
316 ber_bvarray_free( mt->mt_idassert_authz );
318 if ( mt->mt_rwmap.rwm_rw ) {
319 rewrite_info_delete( &mt->mt_rwmap.rwm_rw );
321 avl_free( mt->mt_rwmap.rwm_oc.remap, mapping_dst_free );
322 avl_free( mt->mt_rwmap.rwm_oc.map, mapping_free );
323 avl_free( mt->mt_rwmap.rwm_at.remap, mapping_dst_free );
324 avl_free( mt->mt_rwmap.rwm_at.map, mapping_free );
330 meta_back_db_destroy(
335 if ( be->be_private ) {
338 mi = ( metainfo_t * )be->be_private;
341 * Destroy the connection tree
343 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
345 if ( mi->mi_conninfo.lai_tree ) {
346 avl_free( mi->mi_conninfo.lai_tree, meta_back_conn_free );
348 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
349 while ( !LDAP_TAILQ_EMPTY( &mi->mi_conn_priv[ i ].mic_priv ) ) {
350 metaconn_t *mc = LDAP_TAILQ_FIRST( &mi->mi_conn_priv[ i ].mic_priv );
352 LDAP_TAILQ_REMOVE( &mi->mi_conn_priv[ i ].mic_priv, mc, mc_q );
353 meta_back_conn_free( mc );
358 * Destroy the per-target stuff (assuming there's at
361 if ( mi->mi_targets != NULL ) {
362 for ( i = 0; i < mi->mi_ntargets; i++ ) {
363 metatarget_t *mt = mi->mi_targets[ i ];
365 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
366 if ( mt->mt_quarantine.ri_num != mi->mi_quarantine.ri_num )
368 slap_retry_info_destroy( &mt->mt_quarantine );
371 ldap_pvt_thread_mutex_destroy( &mt->mt_quarantine_mutex );
377 free( mi->mi_targets );
380 ldap_pvt_thread_mutex_lock( &mi->mi_cache.mutex );
381 if ( mi->mi_cache.tree ) {
382 avl_free( mi->mi_cache.tree, meta_dncache_free );
385 ldap_pvt_thread_mutex_unlock( &mi->mi_cache.mutex );
386 ldap_pvt_thread_mutex_destroy( &mi->mi_cache.mutex );
388 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
389 ldap_pvt_thread_mutex_destroy( &mi->mi_conninfo.lai_mutex );
391 if ( mi->mi_candidates != NULL ) {
392 ber_memfree_x( mi->mi_candidates, NULL );
395 if ( META_BACK_QUARANTINE( mi ) ) {
396 slap_retry_info_destroy( &mi->mi_quarantine );
400 free( be->be_private );
404 #if SLAPD_META == SLAPD_MOD_DYNAMIC
406 /* conditionally define the init_module() function */
407 SLAP_BACKEND_INIT_MODULE( meta )
409 #endif /* SLAPD_META == SLAPD_MOD_DYNAMIC */