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();
108 rc = distproc_initialize();
114 return ldap_back_init_cf( bi );
118 ldap_back_db_init( Backend *be, ConfigReply *cr )
124 li = (ldapinfo_t *)ch_calloc( 1, sizeof( ldapinfo_t ) );
129 li->li_rebind_f = ldap_back_default_rebind;
130 li->li_urllist_f = ldap_back_default_urllist;
131 li->li_urllist_p = li;
132 ldap_pvt_thread_mutex_init( &li->li_uri_mutex );
134 BER_BVZERO( &li->li_acl_authcID );
135 BER_BVZERO( &li->li_acl_authcDN );
136 BER_BVZERO( &li->li_acl_passwd );
138 li->li_acl_authmethod = LDAP_AUTH_NONE;
139 BER_BVZERO( &li->li_acl_sasl_mech );
140 li->li_acl.sb_tls = SB_TLS_DEFAULT;
142 li->li_idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
144 BER_BVZERO( &li->li_idassert_authcID );
145 BER_BVZERO( &li->li_idassert_authcDN );
146 BER_BVZERO( &li->li_idassert_passwd );
148 BER_BVZERO( &li->li_idassert_authzID );
150 li->li_idassert_authmethod = LDAP_AUTH_NONE;
151 BER_BVZERO( &li->li_idassert_sasl_mech );
152 li->li_idassert_tls = SB_TLS_DEFAULT;
154 /* by default, use proxyAuthz control on each operation */
155 li->li_idassert_flags = LDAP_BACK_AUTH_PRESCRIPTIVE;
157 li->li_idassert_authz = NULL;
159 /* initialize flags */
160 li->li_flags = LDAP_BACK_F_CHASE_REFERRALS;
162 /* initialize version */
163 li->li_version = LDAP_VERSION3;
165 ldap_pvt_thread_mutex_init( &li->li_conninfo.lai_mutex );
167 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
168 li->li_conn_priv[ i ].lic_num = 0;
169 LDAP_TAILQ_INIT( &li->li_conn_priv[ i ].lic_priv );
171 li->li_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
174 SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
176 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
178 rc = ldap_back_monitor_db_init( be );
188 ldap_back_db_open( BackendDB *be, ConfigReply *cr )
190 ldapinfo_t *li = (ldapinfo_t *)be->be_private;
192 slap_bindconf sb = { BER_BVNULL };
195 Debug( LDAP_DEBUG_TRACE,
196 "ldap_back_db_open: URI=%s\n",
197 li->li_uri != NULL ? li->li_uri : "", 0, 0 );
199 /* by default, use proxyAuthz control on each operation */
200 switch ( li->li_idassert_mode ) {
201 case LDAP_BACK_IDASSERT_LEGACY:
202 case LDAP_BACK_IDASSERT_SELF:
203 /* however, since admin connections are pooled and shared,
204 * only static authzIDs can be native */
205 li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
212 ber_str2bv( li->li_uri, 0, 0, &sb.sb_uri );
213 sb.sb_version = li->li_version;
214 sb.sb_method = LDAP_AUTH_SIMPLE;
215 BER_BVSTR( &sb.sb_binddn, "" );
217 if ( LDAP_BACK_T_F_DISCOVER( li ) && !LDAP_BACK_T_F( li ) ) {
218 rc = slap_discover_feature( &sb,
219 slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
220 LDAP_FEATURE_ABSOLUTE_FILTERS );
221 if ( rc == LDAP_COMPARE_TRUE ) {
222 li->li_flags |= LDAP_BACK_F_T_F;
226 if ( LDAP_BACK_CANCEL_DISCOVER( li ) && !LDAP_BACK_CANCEL( li ) ) {
227 rc = slap_discover_feature( &sb,
228 slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
230 if ( rc == LDAP_COMPARE_TRUE ) {
231 li->li_flags |= LDAP_BACK_F_CANCEL_EXOP;
236 rc = ldap_back_monitor_db_open( be );
242 li->li_flags |= LDAP_BACK_F_ISOPEN;
248 ldap_back_conn_free( void *v_lc )
250 ldapconn_t *lc = v_lc;
252 if ( lc->lc_ld != NULL ) {
253 ldap_unbind_ext( lc->lc_ld, NULL, NULL );
255 if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
256 ch_free( lc->lc_bound_ndn.bv_val );
258 if ( !BER_BVISNULL( &lc->lc_cred ) ) {
259 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
260 ch_free( lc->lc_cred.bv_val );
262 if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
263 ch_free( lc->lc_local_ndn.bv_val );
265 lc->lc_q.tqe_prev = NULL;
266 lc->lc_q.tqe_next = NULL;
271 ldap_back_db_close( Backend *be, ConfigReply *cr )
275 if ( be->be_private ) {
276 rc = ldap_back_monitor_db_close( be );
283 ldap_back_db_destroy( Backend *be, ConfigReply *cr )
285 if ( be->be_private ) {
286 ldapinfo_t *li = ( ldapinfo_t * )be->be_private;
289 (void)ldap_back_monitor_db_destroy( be );
291 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
293 if ( li->li_uri != NULL ) {
294 ch_free( li->li_uri );
297 assert( li->li_bvuri != NULL );
298 ber_bvarray_free( li->li_bvuri );
302 bindconf_free( &li->li_tls );
303 bindconf_free( &li->li_acl );
304 bindconf_free( &li->li_idassert.si_bc );
306 if ( li->li_idassert_authz != NULL ) {
307 ber_bvarray_free( li->li_idassert_authz );
308 li->li_idassert_authz = NULL;
310 if ( li->li_conninfo.lai_tree ) {
311 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
313 for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
314 while ( !LDAP_TAILQ_EMPTY( &li->li_conn_priv[ i ].lic_priv ) ) {
315 ldapconn_t *lc = LDAP_TAILQ_FIRST( &li->li_conn_priv[ i ].lic_priv );
317 LDAP_TAILQ_REMOVE( &li->li_conn_priv[ i ].lic_priv, lc, lc_q );
318 ldap_back_conn_free( lc );
321 if ( LDAP_BACK_QUARANTINE( li ) ) {
322 slap_retry_info_destroy( &li->li_quarantine );
323 ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
326 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
327 ldap_pvt_thread_mutex_destroy( &li->li_conninfo.lai_mutex );
328 ldap_pvt_thread_mutex_destroy( &li->li_uri_mutex );
331 ch_free( be->be_private );
336 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
338 /* conditionally define the init_module() function */
339 SLAP_BACKEND_INIT_MODULE( ldap )
341 #endif /* SLAPD_LDAP == SLAPD_MOD_DYNAMIC */