]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-ldap/init.c
cleanup
[openldap] / servers / slapd / back-ldap / init.c
index 5a4b1e2798a966cbb41c240e1220fcd36ecd0999..d9a4ff61c4250aca3d77f24a1a85a48c428c4e5a 100644 (file)
@@ -1,80 +1,67 @@
 /* init.c - initialize ldap backend */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/* This is an altered version */
-/*
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
- * 
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- * 
- * 1. The author is not responsible for the consequences of use of this
- *    software, no matter how awful, even if they arise from flaws in it.
- * 
- * 2. The origin of this software must not be misrepresented, either by
- *    explicit claim or by omission.  Since few users ever read sources,
- *    credits should appear in the documentation.
- * 
- * 3. Altered versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.  Since few users
- *    ever read sources, credits should appear in the documentation.
- * 
- * 4. This notice may not be removed or altered.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
+ * Copyright 2003-2007 The OpenLDAP Foundation.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * Portions Copyright 2000-2003 Pierangelo Masarati.
+ * All rights reserved.
  *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
  *
- * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- * 
- * This software is being modified by Pierangelo Masarati.
- * The previously reported conditions apply to the modified code as well.
- * Changes in the original code are highlighted where required.
- * Credits for the original code go to the author, Howard Chu.
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
  */
 
 #include "portable.h"
 
 #include <stdio.h>
 
+#include <ac/string.h>
 #include <ac/socket.h>
 
 #include "slap.h"
 #include "back-ldap.h"
 
-#ifdef SLAPD_LDAP_DYNAMIC
-
-int back_ldap_LTX_init_module(int argc, char *argv[]) {
-    BackendInfo bi;
-
-    memset( &bi, '\0', sizeof(bi) );
-    bi.bi_type = "ldap";
-    bi.bi_init = ldap_back_initialize;
-
-    backend_add(&bi);
-    return 0;
-}
-
-#endif /* SLAPD_LDAP_DYNAMIC */
-
 int
-ldap_back_initialize(
-    BackendInfo        *bi
-)
+ldap_back_open( BackendInfo    *bi )
 {
        bi->bi_controls = slap_known_controls;
+       return 0;
+}
 
-       bi->bi_open = 0;
+int
+ldap_back_initialize( BackendInfo *bi )
+{
+       int             rc;
+
+       bi->bi_flags =
+#ifdef LDAP_DYNAMIC_OBJECTS
+               /* this is set because all the support a proxy has to provide
+                * is the capability to forward the refresh exop, and to
+                * pass thru entries that contain the dynamicObject class
+                * and the entryTtl attribute */
+               SLAP_BFLAG_DYNAMIC |
+#endif /* LDAP_DYNAMIC_OBJECTS */
+               0;
+
+       bi->bi_open = ldap_back_open;
        bi->bi_config = 0;
        bi->bi_close = 0;
        bi->bi_destroy = 0;
 
        bi->bi_db_init = ldap_back_db_init;
-       bi->bi_db_config = ldap_back_db_config;
-       bi->bi_db_open = 0;
-       bi->bi_db_close = 0;
+       bi->bi_db_config = config_generic_wrapper;
+       bi->bi_db_open = ldap_back_db_open;
+       bi->bi_db_close = ldap_back_db_close;
        bi->bi_db_destroy = ldap_back_db_destroy;
 
        bi->bi_op_bind = ldap_back_bind;
@@ -87,119 +74,295 @@ ldap_back_initialize(
        bi->bi_op_delete = ldap_back_delete;
        bi->bi_op_abandon = 0;
 
-       bi->bi_extended = 0;
+       bi->bi_extended = ldap_back_extended;
 
-       bi->bi_acl_group = ldap_back_group;
-       bi->bi_acl_attribute = ldap_back_attribute;
        bi->bi_chk_referrals = 0;
+       bi->bi_entry_get_rw = ldap_back_entry_get;
 
        bi->bi_connection_init = 0;
        bi->bi_connection_destroy = ldap_back_conn_destroy;
 
-       return 0;
+       rc = chain_initialize();
+       if ( rc ) {
+               return rc;
+       }
+
+#ifdef SLAP_DISTPROC
+       rc = distproc_initialize();
+       if ( rc ) {
+               return rc;
+       }
+#endif
+
+       return ldap_back_init_cf( bi );
 }
 
 int
-ldap_back_db_init(
-    Backend    *be
-)
+ldap_back_db_init( Backend *be )
 {
-       struct ldapinfo *li;
-       struct ldapmapping *mapping;
+       ldapinfo_t      *li;
+       int             rc;
+       unsigned        i;
 
-       li = (struct ldapinfo *) ch_calloc( 1, sizeof(struct ldapinfo) );
+       li = (ldapinfo_t *)ch_calloc( 1, sizeof( ldapinfo_t ) );
        if ( li == NULL ) {
                return -1;
        }
 
-#ifdef ENABLE_REWRITE
-       li->rwinfo = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
-       if ( li->rwinfo == NULL ) {
-               ch_free( li );
-               return -1;
-       }
-#endif /* ENABLE_REWRITE */
+       li->li_rebind_f = ldap_back_default_rebind;
+       li->li_urllist_f = ldap_back_default_urllist;
+       li->li_urllist_p = li;
+       ldap_pvt_thread_mutex_init( &li->li_uri_mutex );
 
-       ldap_pvt_thread_mutex_init( &li->conn_mutex );
+       BER_BVZERO( &li->li_acl_authcID );
+       BER_BVZERO( &li->li_acl_authcDN );
+       BER_BVZERO( &li->li_acl_passwd );
 
-       ldap_back_map_init( &li->at_map, &mapping );
+       li->li_acl_authmethod = LDAP_AUTH_NONE;
+       BER_BVZERO( &li->li_acl_sasl_mech );
+       li->li_acl.sb_tls = SB_TLS_DEFAULT;
+
+       li->li_idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
+
+       BER_BVZERO( &li->li_idassert_authcID );
+       BER_BVZERO( &li->li_idassert_authcDN );
+       BER_BVZERO( &li->li_idassert_passwd );
+
+       BER_BVZERO( &li->li_idassert_authzID );
+
+       li->li_idassert_authmethod = LDAP_AUTH_NONE;
+       BER_BVZERO( &li->li_idassert_sasl_mech );
+       li->li_idassert_tls = SB_TLS_DEFAULT;
+
+       /* by default, use proxyAuthz control on each operation */
+       li->li_idassert_flags = LDAP_BACK_AUTH_PRESCRIPTIVE;
+
+       li->li_idassert_authz = NULL;
+
+       /* initialize flags */
+       li->li_flags = LDAP_BACK_F_CHASE_REFERRALS;
+
+       /* initialize version */
+       li->li_version = LDAP_VERSION3;
+
+       ldap_pvt_thread_mutex_init( &li->li_conninfo.lai_mutex );
+
+       for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
+               li->li_conn_priv[ i ].lic_num = 0;
+               LDAP_TAILQ_INIT( &li->li_conn_priv[ i ].lic_priv );
+       }
+       li->li_conn_priv_max = LDAP_BACK_CONN_PRIV_DEFAULT;
 
        be->be_private = li;
+       SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
 
-       return 0;
+       be->be_cf_ocs = be->bd_info->bi_cf_ocs;
+
+       rc = ldap_back_monitor_db_init( be );
+       if ( rc != 0 ) {
+               /* ignore, by now */
+               rc = 0;
+       }
+
+       return rc;
 }
 
-static void
-conn_free( 
-       void *v_lc
-)
+int
+ldap_back_db_open( BackendDB *be )
 {
-       struct ldapconn *lc = v_lc;
-       ldap_unbind( lc->ld );
-       if ( lc->bound_dn.bv_val ) {
-               ch_free( lc->bound_dn.bv_val );
+       ldapinfo_t      *li = (ldapinfo_t *)be->be_private;
+
+       slap_bindconf   sb = { BER_BVNULL };
+       int             rc = 0;
+
+       Debug( LDAP_DEBUG_TRACE,
+               "ldap_back_db_open: URI=%s\n",
+               li->li_uri != NULL ? li->li_uri : "", 0, 0 );
+
+       /* by default, use proxyAuthz control on each operation */
+       switch ( li->li_idassert_mode ) {
+       case LDAP_BACK_IDASSERT_LEGACY:
+       case LDAP_BACK_IDASSERT_SELF:
+               /* however, since admin connections are pooled and shared,
+                * only static authzIDs can be native */
+               li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
+               break;
+
+       default:
+               break;
        }
-       if ( lc->cred.bv_val ) {
-               ch_free( lc->cred.bv_val );
+
+       ber_str2bv( li->li_uri, 0, 0, &sb.sb_uri );
+       sb.sb_version = li->li_version;
+       sb.sb_method = LDAP_AUTH_SIMPLE;
+       BER_BVSTR( &sb.sb_binddn, "" );
+
+       if ( LDAP_BACK_T_F_DISCOVER( li ) && !LDAP_BACK_T_F( li ) ) {
+               rc = slap_discover_feature( &sb,
+                               slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
+                               LDAP_FEATURE_ABSOLUTE_FILTERS );
+               if ( rc == LDAP_COMPARE_TRUE ) {
+                       li->li_flags |= LDAP_BACK_F_T_F;
+               }
        }
-       ch_free( lc );
+
+       if ( LDAP_BACK_CANCEL_DISCOVER( li ) && !LDAP_BACK_CANCEL( li ) ) {
+               rc = slap_discover_feature( &sb,
+                               slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
+                               LDAP_EXOP_CANCEL );
+               if ( rc == LDAP_COMPARE_TRUE ) {
+                       li->li_flags |= LDAP_BACK_F_CANCEL_EXOP;
+               }
+       }
+
+       /* monitor setup */
+       rc = ldap_back_monitor_db_open( be );
+       if ( rc != 0 ) {
+               /* ignore by now */
+               rc = 0;
+#if 0
+               goto fail;
+#endif
+       }
+
+       li->li_flags |= LDAP_BACK_F_ISOPEN;
+
+fail:;
+       return rc;
 }
 
 void
-mapping_free( void *v_mapping )
+ldap_back_conn_free( void *v_lc )
 {
-       struct ldapmapping *mapping = v_mapping;
-       ch_free( mapping->src.bv_val );
-       ch_free( mapping->dst.bv_val );
-       ch_free( mapping );
+       ldapconn_t      *lc = v_lc;
+
+       if ( lc->lc_ld != NULL ) {      
+               ldap_unbind_ext( lc->lc_ld, NULL, NULL );
+       }
+       if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
+               ch_free( lc->lc_bound_ndn.bv_val );
+       }
+       if ( !BER_BVISNULL( &lc->lc_cred ) ) {
+               memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
+               ch_free( lc->lc_cred.bv_val );
+       }
+       if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
+               ch_free( lc->lc_local_ndn.bv_val );
+       }
+       lc->lc_q.tqe_prev = NULL;
+       lc->lc_q.tqe_next = NULL;
+       ch_free( lc );
+}
+
+int
+ldap_back_db_close( Backend *be )
+{
+       int             rc = 0;
+
+       if ( be->be_private ) {
+               rc = ldap_back_monitor_db_close( be );
+       }
+
+       return rc;
 }
 
 int
-ldap_back_db_destroy(
-    Backend    *be
-)
+ldap_back_db_destroy( Backend *be )
 {
-       struct ldapinfo *li;
+       if ( be->be_private ) {
+               ldapinfo_t      *li = ( ldapinfo_t * )be->be_private;
+               unsigned        i;
+
+               (void)ldap_back_monitor_db_destroy( be );
 
-       if (be->be_private) {
-               li = (struct ldapinfo *)be->be_private;
+               ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
 
-               ldap_pvt_thread_mutex_lock( &li->conn_mutex );
+               if ( li->li_uri != NULL ) {
+                       ch_free( li->li_uri );
+                       li->li_uri = NULL;
 
-               if (li->url) {
-                       ch_free(li->url);
-                       li->url = NULL;
+                       assert( li->li_bvuri != NULL );
+                       ber_bvarray_free( li->li_bvuri );
+                       li->li_bvuri = NULL;
+               }
+               if ( !BER_BVISNULL( &li->li_acl_authcID ) ) {
+                       ch_free( li->li_acl_authcID.bv_val );
+                       BER_BVZERO( &li->li_acl_authcID );
+               }
+               if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
+                       ch_free( li->li_acl_authcDN.bv_val );
+                       BER_BVZERO( &li->li_acl_authcDN );
+               }
+               if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
+                       ch_free( li->li_acl_passwd.bv_val );
+                       BER_BVZERO( &li->li_acl_passwd );
+               }
+               if ( !BER_BVISNULL( &li->li_acl_sasl_mech ) ) {
+                       ch_free( li->li_acl_sasl_mech.bv_val );
+                       BER_BVZERO( &li->li_acl_sasl_mech );
+               }
+               if ( !BER_BVISNULL( &li->li_acl_sasl_realm ) ) {
+                       ch_free( li->li_acl_sasl_realm.bv_val );
+                       BER_BVZERO( &li->li_acl_sasl_realm );
+               }
+               if ( !BER_BVISNULL( &li->li_idassert_authcID ) ) {
+                       ch_free( li->li_idassert_authcID.bv_val );
+                       BER_BVZERO( &li->li_idassert_authcID );
+               }
+               if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
+                       ch_free( li->li_idassert_authcDN.bv_val );
+                       BER_BVZERO( &li->li_idassert_authcDN );
+               }
+               if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
+                       ch_free( li->li_idassert_passwd.bv_val );
+                       BER_BVZERO( &li->li_idassert_passwd );
                }
-               if (li->binddn) {
-                       ch_free(li->binddn);
-                       li->binddn = NULL;
+               if ( !BER_BVISNULL( &li->li_idassert_authzID ) ) {
+                       ch_free( li->li_idassert_authzID.bv_val );
+                       BER_BVZERO( &li->li_idassert_authzID );
                }
-               if (li->bindpw) {
-                       ch_free(li->bindpw);
-                       li->bindpw = NULL;
+               if ( !BER_BVISNULL( &li->li_idassert_sasl_mech ) ) {
+                       ch_free( li->li_idassert_sasl_mech.bv_val );
+                       BER_BVZERO( &li->li_idassert_sasl_mech );
                }
-                if (li->conntree) {
-                       avl_free( li->conntree, conn_free );
+               if ( !BER_BVISNULL( &li->li_idassert_sasl_realm ) ) {
+                       ch_free( li->li_idassert_sasl_realm.bv_val );
+                       BER_BVZERO( &li->li_idassert_sasl_realm );
                }
-#ifdef ENABLE_REWRITE
-               if (li->rwinfo) {
-                       rewrite_info_delete( li->rwinfo );
+               if ( li->li_idassert_authz != NULL ) {
+                       ber_bvarray_free( li->li_idassert_authz );
+                       li->li_idassert_authz = NULL;
                }
-#else /* !ENABLE_REWRITE */
-               if (li->suffix_massage) {
-                       ber_bvarray_free( li->suffix_massage );
-               }
-#endif /* !ENABLE_REWRITE */
+                       if ( li->li_conninfo.lai_tree ) {
+                       avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
+               }
+               for ( i = LDAP_BACK_PCONN_FIRST; i < LDAP_BACK_PCONN_LAST; i++ ) {
+                       while ( !LDAP_TAILQ_EMPTY( &li->li_conn_priv[ i ].lic_priv ) ) {
+                               ldapconn_t      *lc = LDAP_TAILQ_FIRST( &li->li_conn_priv[ i ].lic_priv );
 
-               avl_free( li->oc_map.remap, NULL );
-               avl_free( li->oc_map.map, mapping_free );
-               avl_free( li->at_map.remap, NULL );
-               avl_free( li->at_map.map, mapping_free );
-               
-               ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
-               ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
+                               LDAP_TAILQ_REMOVE( &li->li_conn_priv[ i ].lic_priv, lc, lc_q );
+                               ldap_back_conn_free( lc );
+                       }
+               }
+               if ( LDAP_BACK_QUARANTINE( li ) ) {
+                       slap_retry_info_destroy( &li->li_quarantine );
+                       ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
+               }
+
+               ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
+               ldap_pvt_thread_mutex_destroy( &li->li_conninfo.lai_mutex );
+               ldap_pvt_thread_mutex_destroy( &li->li_uri_mutex );
        }
 
        ch_free( be->be_private );
+
        return 0;
 }
+
+#if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
+
+/* conditionally define the init_module() function */
+SLAP_BACKEND_INIT_MODULE( ldap )
+
+#endif /* SLAPD_LDAP == SLAPD_MOD_DYNAMIC */
+