1 /* init.c - initialize ldap backend */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2003-2009 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,
47 ldap_back_open( BackendInfo *bi )
49 bi->bi_controls = slap_known_controls;
54 ldap_back_initialize( BackendInfo *bi )
59 #ifdef LDAP_DYNAMIC_OBJECTS
60 /* this is set because all the support a proxy has to provide
61 * is the capability to forward the refresh exop, and to
62 * pass thru entries that contain the dynamicObject class
63 * and the entryTtl attribute */
65 #endif /* LDAP_DYNAMIC_OBJECTS */
67 /* back-ldap recognizes RFC4525 increment;
68 * let the remote server complain, if needed (ITS#5912) */
71 bi->bi_open = ldap_back_open;
76 bi->bi_db_init = ldap_back_db_init;
77 bi->bi_db_config = config_generic_wrapper;
78 bi->bi_db_open = ldap_back_db_open;
79 bi->bi_db_close = ldap_back_db_close;
80 bi->bi_db_destroy = ldap_back_db_destroy;
82 bi->bi_op_bind = ldap_back_bind;
84 bi->bi_op_search = ldap_back_search;
85 bi->bi_op_compare = ldap_back_compare;
86 bi->bi_op_modify = ldap_back_modify;
87 bi->bi_op_modrdn = ldap_back_modrdn;
88 bi->bi_op_add = ldap_back_add;
89 bi->bi_op_delete = ldap_back_delete;
90 bi->bi_op_abandon = 0;
92 bi->bi_extended = ldap_back_extended;
94 bi->bi_chk_referrals = 0;
95 bi->bi_entry_get_rw = ldap_back_entry_get;
97 bi->bi_connection_init = 0;
98 bi->bi_connection_destroy = ldap_back_conn_destroy;
100 bi->bi_extra = (void *)&ldap_extra;
102 rc = chain_initialize();
107 rc = pbind_initialize();
113 rc = distproc_initialize();
119 return ldap_back_init_cf( bi );
123 ldap_back_db_init( Backend *be, ConfigReply *cr )
129 li = (ldapinfo_t *)ch_calloc( 1, sizeof( ldapinfo_t ) );
134 li->li_rebind_f = ldap_back_default_rebind;
135 li->li_urllist_f = ldap_back_default_urllist;
136 li->li_urllist_p = li;
137 ldap_pvt_thread_mutex_init( &li->li_uri_mutex );
139 BER_BVZERO( &li->li_acl_authcID );
140 BER_BVZERO( &li->li_acl_authcDN );
141 BER_BVZERO( &li->li_acl_passwd );
143 li->li_acl_authmethod = LDAP_AUTH_NONE;
144 BER_BVZERO( &li->li_acl_sasl_mech );
145 li->li_acl.sb_tls = SB_TLS_DEFAULT;
147 li->li_idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
149 BER_BVZERO( &li->li_idassert_authcID );
150 BER_BVZERO( &li->li_idassert_authcDN );
151 BER_BVZERO( &li->li_idassert_passwd );
153 BER_BVZERO( &li->li_idassert_authzID );
155 li->li_idassert_authmethod = LDAP_AUTH_NONE;
156 BER_BVZERO( &li->li_idassert_sasl_mech );
157 li->li_idassert_tls = SB_TLS_DEFAULT;
159 /* by default, use proxyAuthz control on each operation */
160 li->li_idassert_flags = LDAP_BACK_AUTH_PRESCRIPTIVE;
162 li->li_idassert_authz = NULL;
164 /* initialize flags */
165 li->li_flags = LDAP_BACK_F_CHASE_REFERRALS;
167 /* initialize version */
168 li->li_version = LDAP_VERSION3;
170 ldap_pvt_thread_mutex_init( &li->li_conninfo.lai_mutex );
172 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
173 li->li_conn_priv[ i ].lic_num = 0;
174 LDAP_TAILQ_INIT( &li->li_conn_priv[ i ].lic_priv );
176 li->li_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
179 SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
181 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
183 rc = ldap_back_monitor_db_init( be );
193 ldap_back_db_open( BackendDB *be, ConfigReply *cr )
195 ldapinfo_t *li = (ldapinfo_t *)be->be_private;
197 slap_bindconf sb = { BER_BVNULL };
200 Debug( LDAP_DEBUG_TRACE,
201 "ldap_back_db_open: URI=%s\n",
202 li->li_uri != NULL ? li->li_uri : "", 0, 0 );
204 /* by default, use proxyAuthz control on each operation */
205 switch ( li->li_idassert_mode ) {
206 case LDAP_BACK_IDASSERT_LEGACY:
207 case LDAP_BACK_IDASSERT_SELF:
208 /* however, since admin connections are pooled and shared,
209 * only static authzIDs can be native */
210 li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
217 ber_str2bv( li->li_uri, 0, 0, &sb.sb_uri );
218 sb.sb_version = li->li_version;
219 sb.sb_method = LDAP_AUTH_SIMPLE;
220 BER_BVSTR( &sb.sb_binddn, "" );
222 if ( LDAP_BACK_T_F_DISCOVER( li ) && !LDAP_BACK_T_F( li ) ) {
223 rc = slap_discover_feature( &sb,
224 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
225 LDAP_FEATURE_ABSOLUTE_FILTERS );
226 if ( rc == LDAP_COMPARE_TRUE ) {
227 li->li_flags |= LDAP_BACK_F_T_F;
231 if ( LDAP_BACK_CANCEL_DISCOVER( li ) && !LDAP_BACK_CANCEL( li ) ) {
232 rc = slap_discover_feature( &sb,
233 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
235 if ( rc == LDAP_COMPARE_TRUE ) {
236 li->li_flags |= LDAP_BACK_F_CANCEL_EXOP;
241 rc = ldap_back_monitor_db_open( be );
247 li->li_flags |= LDAP_BACK_F_ISOPEN;
253 ldap_back_conn_free( void *v_lc )
255 ldapconn_t *lc = v_lc;
257 if ( lc->lc_ld != NULL ) {
258 ldap_unbind_ext( lc->lc_ld, NULL, NULL );
260 if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
261 ch_free( lc->lc_bound_ndn.bv_val );
263 if ( !BER_BVISNULL( &lc->lc_cred ) ) {
264 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
265 ch_free( lc->lc_cred.bv_val );
267 if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
268 ch_free( lc->lc_local_ndn.bv_val );
270 lc->lc_q.tqe_prev = NULL;
271 lc->lc_q.tqe_next = NULL;
276 ldap_back_db_close( Backend *be, ConfigReply *cr )
280 if ( be->be_private ) {
281 rc = ldap_back_monitor_db_close( be );
288 ldap_back_db_destroy( Backend *be, ConfigReply *cr )
290 if ( be->be_private ) {
291 ldapinfo_t *li = ( ldapinfo_t * )be->be_private;
294 (void)ldap_back_monitor_db_destroy( be );
296 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
298 if ( li->li_uri != NULL ) {
299 ch_free( li->li_uri );
302 assert( li->li_bvuri != NULL );
303 ber_bvarray_free( li->li_bvuri );
307 bindconf_free( &li->li_tls );
308 bindconf_free( &li->li_acl );
309 bindconf_free( &li->li_idassert.si_bc );
311 if ( li->li_idassert_authz != NULL ) {
312 ber_bvarray_free( li->li_idassert_authz );
313 li->li_idassert_authz = NULL;
315 if ( li->li_conninfo.lai_tree ) {
316 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
318 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
319 while ( !LDAP_TAILQ_EMPTY( &li->li_conn_priv[ i ].lic_priv ) ) {
320 ldapconn_t *lc = LDAP_TAILQ_FIRST( &li->li_conn_priv[ i ].lic_priv );
322 LDAP_TAILQ_REMOVE( &li->li_conn_priv[ i ].lic_priv, lc, lc_q );
323 ldap_back_conn_free( lc );
326 if ( LDAP_BACK_QUARANTINE( li ) ) {
327 slap_retry_info_destroy( &li->li_quarantine );
328 ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
331 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
332 ldap_pvt_thread_mutex_destroy( &li->li_conninfo.lai_mutex );
333 ldap_pvt_thread_mutex_destroy( &li->li_uri_mutex );
336 ch_free( be->be_private );
341 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
343 /* conditionally define the init_module() function */
344 SLAP_BACKEND_INIT_MODULE( ldap )
346 #endif /* SLAPD_LDAP == SLAPD_MOD_DYNAMIC */