1 /* init.c - initialize ldap backend */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2003-2008 The OpenLDAP Foundation.
6 * Portions Copyright 1999-2003 Howard Chu.
7 * Portions Copyright 2000-2003 Pierangelo Masarati.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
19 * This work was initially developed by the Howard Chu for inclusion
20 * in OpenLDAP Software and subsequently enhanced by Pierangelo
28 #include <ac/string.h>
29 #include <ac/socket.h>
33 #include "back-ldap.h"
35 static const ldap_extra_t ldap_extra = {
36 ldap_back_proxy_authz_ctrl,
37 ldap_back_controls_free,
38 slap_idassert_authzfrom_parse_cf,
39 slap_idassert_parse_cf,
40 slap_retry_info_destroy,
41 slap_retry_info_parse,
42 slap_retry_info_unparse
46 ldap_back_open( BackendInfo *bi )
48 bi->bi_controls = slap_known_controls;
53 ldap_back_initialize( BackendInfo *bi )
58 #ifdef LDAP_DYNAMIC_OBJECTS
59 /* this is set because all the support a proxy has to provide
60 * is the capability to forward the refresh exop, and to
61 * pass thru entries that contain the dynamicObject class
62 * and the entryTtl attribute */
64 #endif /* LDAP_DYNAMIC_OBJECTS */
67 bi->bi_open = ldap_back_open;
72 bi->bi_db_init = ldap_back_db_init;
73 bi->bi_db_config = config_generic_wrapper;
74 bi->bi_db_open = ldap_back_db_open;
75 bi->bi_db_close = ldap_back_db_close;
76 bi->bi_db_destroy = ldap_back_db_destroy;
78 bi->bi_op_bind = ldap_back_bind;
80 bi->bi_op_search = ldap_back_search;
81 bi->bi_op_compare = ldap_back_compare;
82 bi->bi_op_modify = ldap_back_modify;
83 bi->bi_op_modrdn = ldap_back_modrdn;
84 bi->bi_op_add = ldap_back_add;
85 bi->bi_op_delete = ldap_back_delete;
86 bi->bi_op_abandon = 0;
88 bi->bi_extended = ldap_back_extended;
90 bi->bi_chk_referrals = 0;
91 bi->bi_entry_get_rw = ldap_back_entry_get;
93 bi->bi_connection_init = 0;
94 bi->bi_connection_destroy = ldap_back_conn_destroy;
96 bi->bi_extra = (void *)&ldap_extra;
98 rc = chain_initialize();
104 rc = distproc_initialize();
110 return ldap_back_init_cf( bi );
114 ldap_back_db_init( Backend *be, ConfigReply *cr )
120 li = (ldapinfo_t *)ch_calloc( 1, sizeof( ldapinfo_t ) );
125 li->li_rebind_f = ldap_back_default_rebind;
126 li->li_urllist_f = ldap_back_default_urllist;
127 li->li_urllist_p = li;
128 ldap_pvt_thread_mutex_init( &li->li_uri_mutex );
130 BER_BVZERO( &li->li_acl_authcID );
131 BER_BVZERO( &li->li_acl_authcDN );
132 BER_BVZERO( &li->li_acl_passwd );
134 li->li_acl_authmethod = LDAP_AUTH_NONE;
135 BER_BVZERO( &li->li_acl_sasl_mech );
136 li->li_acl.sb_tls = SB_TLS_DEFAULT;
138 li->li_idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
140 BER_BVZERO( &li->li_idassert_authcID );
141 BER_BVZERO( &li->li_idassert_authcDN );
142 BER_BVZERO( &li->li_idassert_passwd );
144 BER_BVZERO( &li->li_idassert_authzID );
146 li->li_idassert_authmethod = LDAP_AUTH_NONE;
147 BER_BVZERO( &li->li_idassert_sasl_mech );
148 li->li_idassert_tls = SB_TLS_DEFAULT;
150 /* by default, use proxyAuthz control on each operation */
151 li->li_idassert_flags = LDAP_BACK_AUTH_PRESCRIPTIVE;
153 li->li_idassert_authz = NULL;
155 /* initialize flags */
156 li->li_flags = LDAP_BACK_F_CHASE_REFERRALS;
158 /* initialize version */
159 li->li_version = LDAP_VERSION3;
161 ldap_pvt_thread_mutex_init( &li->li_conninfo.lai_mutex );
163 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
164 li->li_conn_priv[ i ].lic_num = 0;
165 LDAP_TAILQ_INIT( &li->li_conn_priv[ i ].lic_priv );
167 li->li_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
170 SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
172 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
174 rc = ldap_back_monitor_db_init( be );
184 ldap_back_db_open( BackendDB *be, ConfigReply *cr )
186 ldapinfo_t *li = (ldapinfo_t *)be->be_private;
188 slap_bindconf sb = { BER_BVNULL };
191 Debug( LDAP_DEBUG_TRACE,
192 "ldap_back_db_open: URI=%s\n",
193 li->li_uri != NULL ? li->li_uri : "", 0, 0 );
195 /* by default, use proxyAuthz control on each operation */
196 switch ( li->li_idassert_mode ) {
197 case LDAP_BACK_IDASSERT_LEGACY:
198 case LDAP_BACK_IDASSERT_SELF:
199 /* however, since admin connections are pooled and shared,
200 * only static authzIDs can be native */
201 li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
208 ber_str2bv( li->li_uri, 0, 0, &sb.sb_uri );
209 sb.sb_version = li->li_version;
210 sb.sb_method = LDAP_AUTH_SIMPLE;
211 BER_BVSTR( &sb.sb_binddn, "" );
213 if ( LDAP_BACK_T_F_DISCOVER( li ) && !LDAP_BACK_T_F( li ) ) {
214 rc = slap_discover_feature( &sb,
215 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
216 LDAP_FEATURE_ABSOLUTE_FILTERS );
217 if ( rc == LDAP_COMPARE_TRUE ) {
218 li->li_flags |= LDAP_BACK_F_T_F;
222 if ( LDAP_BACK_CANCEL_DISCOVER( li ) && !LDAP_BACK_CANCEL( li ) ) {
223 rc = slap_discover_feature( &sb,
224 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
226 if ( rc == LDAP_COMPARE_TRUE ) {
227 li->li_flags |= LDAP_BACK_F_CANCEL_EXOP;
232 rc = ldap_back_monitor_db_open( be );
238 li->li_flags |= LDAP_BACK_F_ISOPEN;
244 ldap_back_conn_free( void *v_lc )
246 ldapconn_t *lc = v_lc;
248 if ( lc->lc_ld != NULL ) {
249 ldap_unbind_ext( lc->lc_ld, NULL, NULL );
251 if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
252 ch_free( lc->lc_bound_ndn.bv_val );
254 if ( !BER_BVISNULL( &lc->lc_cred ) ) {
255 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
256 ch_free( lc->lc_cred.bv_val );
258 if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
259 ch_free( lc->lc_local_ndn.bv_val );
261 lc->lc_q.tqe_prev = NULL;
262 lc->lc_q.tqe_next = NULL;
267 ldap_back_db_close( Backend *be, ConfigReply *cr )
271 if ( be->be_private ) {
272 rc = ldap_back_monitor_db_close( be );
279 ldap_back_db_destroy( Backend *be, ConfigReply *cr )
281 if ( be->be_private ) {
282 ldapinfo_t *li = ( ldapinfo_t * )be->be_private;
285 (void)ldap_back_monitor_db_destroy( be );
287 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
289 if ( li->li_uri != NULL ) {
290 ch_free( li->li_uri );
293 assert( li->li_bvuri != NULL );
294 ber_bvarray_free( li->li_bvuri );
297 if ( !BER_BVISNULL( &li->li_acl_authcID ) ) {
298 ch_free( li->li_acl_authcID.bv_val );
299 BER_BVZERO( &li->li_acl_authcID );
301 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
302 ch_free( li->li_acl_authcDN.bv_val );
303 BER_BVZERO( &li->li_acl_authcDN );
305 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
306 ch_free( li->li_acl_passwd.bv_val );
307 BER_BVZERO( &li->li_acl_passwd );
309 if ( !BER_BVISNULL( &li->li_acl_sasl_mech ) ) {
310 ch_free( li->li_acl_sasl_mech.bv_val );
311 BER_BVZERO( &li->li_acl_sasl_mech );
313 if ( !BER_BVISNULL( &li->li_acl_sasl_realm ) ) {
314 ch_free( li->li_acl_sasl_realm.bv_val );
315 BER_BVZERO( &li->li_acl_sasl_realm );
317 if ( !BER_BVISNULL( &li->li_idassert_authcID ) ) {
318 ch_free( li->li_idassert_authcID.bv_val );
319 BER_BVZERO( &li->li_idassert_authcID );
321 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
322 ch_free( li->li_idassert_authcDN.bv_val );
323 BER_BVZERO( &li->li_idassert_authcDN );
325 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
326 ch_free( li->li_idassert_passwd.bv_val );
327 BER_BVZERO( &li->li_idassert_passwd );
329 if ( !BER_BVISNULL( &li->li_idassert_authzID ) ) {
330 ch_free( li->li_idassert_authzID.bv_val );
331 BER_BVZERO( &li->li_idassert_authzID );
333 if ( !BER_BVISNULL( &li->li_idassert_sasl_mech ) ) {
334 ch_free( li->li_idassert_sasl_mech.bv_val );
335 BER_BVZERO( &li->li_idassert_sasl_mech );
337 if ( !BER_BVISNULL( &li->li_idassert_sasl_realm ) ) {
338 ch_free( li->li_idassert_sasl_realm.bv_val );
339 BER_BVZERO( &li->li_idassert_sasl_realm );
341 if ( li->li_idassert_authz != NULL ) {
342 ber_bvarray_free( li->li_idassert_authz );
343 li->li_idassert_authz = NULL;
345 if ( li->li_conninfo.lai_tree ) {
346 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
348 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
349 while ( !LDAP_TAILQ_EMPTY( &li->li_conn_priv[ i ].lic_priv ) ) {
350 ldapconn_t *lc = LDAP_TAILQ_FIRST( &li->li_conn_priv[ i ].lic_priv );
352 LDAP_TAILQ_REMOVE( &li->li_conn_priv[ i ].lic_priv, lc, lc_q );
353 ldap_back_conn_free( lc );
356 if ( LDAP_BACK_QUARANTINE( li ) ) {
357 slap_retry_info_destroy( &li->li_quarantine );
358 ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
361 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
362 ldap_pvt_thread_mutex_destroy( &li->li_conninfo.lai_mutex );
363 ldap_pvt_thread_mutex_destroy( &li->li_uri_mutex );
366 ch_free( be->be_private );
371 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
373 /* conditionally define the init_module() function */
374 SLAP_BACKEND_INIT_MODULE( ldap )
376 #endif /* SLAPD_LDAP == SLAPD_MOD_DYNAMIC */