/* $NetBSD: init.c,v 1.1.1.7.6.1 2019/08/10 06:17:18 martin Exp $ */ /* init.c - initialize ldap backend */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2003-2019 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. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ /* ACKNOWLEDGEMENTS: * This work was initially developed by the Howard Chu for inclusion * in OpenLDAP Software and subsequently enhanced by Pierangelo * Masarati. */ #include __RCSID("$NetBSD: init.c,v 1.1.1.7.6.1 2019/08/10 06:17:18 martin Exp $"); #include "portable.h" #include #include #include #include "slap.h" #include "config.h" #include "back-ldap.h" static const ldap_extra_t ldap_extra = { ldap_back_proxy_authz_ctrl, ldap_back_controls_free, slap_idassert_authzfrom_parse, slap_idassert_passthru_parse_cf, slap_idassert_parse, slap_retry_info_destroy, slap_retry_info_parse, slap_retry_info_unparse, ldap_back_connid2str }; int ldap_back_open( BackendInfo *bi ) { bi->bi_controls = slap_known_controls; return 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 */ /* back-ldap recognizes RFC4525 increment; * let the remote server complain, if needed (ITS#5912) */ SLAP_BFLAG_INCREMENT; 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 = 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; bi->bi_op_unbind = 0; bi->bi_op_search = ldap_back_search; bi->bi_op_compare = ldap_back_compare; bi->bi_op_modify = ldap_back_modify; bi->bi_op_modrdn = ldap_back_modrdn; bi->bi_op_add = ldap_back_add; bi->bi_op_delete = ldap_back_delete; bi->bi_op_abandon = 0; bi->bi_extended = ldap_back_extended; 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; bi->bi_extra = (void *)&ldap_extra; rc = ldap_back_init_cf( bi ); if ( rc ) { return rc; } rc = chain_initialize(); if ( rc ) { return rc; } rc = pbind_initialize(); if ( rc ) { return rc; } #ifdef SLAP_DISTPROC rc = distproc_initialize(); if ( rc ) { return rc; } #endif return rc; } int ldap_back_db_init( Backend *be, ConfigReply *cr ) { ldapinfo_t *li; int rc; unsigned i; li = (ldapinfo_t *)ch_calloc( 1, sizeof( ldapinfo_t ) ); if ( li == NULL ) { return -1; } 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 ); BER_BVZERO( &li->li_acl_authcID ); BER_BVZERO( &li->li_acl_authcDN ); BER_BVZERO( &li->li_acl_passwd ); 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; ldap_pvt_thread_mutex_init( &li->li_counter_mutex ); for ( i = 0; i < SLAP_OP_LAST; i++ ) { ldap_pvt_mp_init( li->li_ops_completed[ i ] ); } be->be_private = li; SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD; 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; } int ldap_back_db_open( BackendDB *be, ConfigReply *cr ) { 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; } 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; } } 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; } li->li_flags |= LDAP_BACK_F_ISOPEN; return rc; } void ldap_back_conn_free( void *v_lc ) { 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, ConfigReply *cr ) { int rc = 0; if ( be->be_private ) { rc = ldap_back_monitor_db_close( be ); } return rc; } int ldap_back_db_destroy( Backend *be, ConfigReply *cr ) { if ( be->be_private ) { ldapinfo_t *li = ( ldapinfo_t * )be->be_private; unsigned i; (void)ldap_back_monitor_db_destroy( be ); ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex ); if ( li->li_uri != NULL ) { ch_free( li->li_uri ); li->li_uri = NULL; assert( li->li_bvuri != NULL ); ber_bvarray_free( li->li_bvuri ); li->li_bvuri = NULL; } bindconf_free( &li->li_tls ); bindconf_free( &li->li_acl ); bindconf_free( &li->li_idassert.si_bc ); if ( li->li_idassert_authz != NULL ) { ber_bvarray_free( li->li_idassert_authz ); li->li_idassert_authz = NULL; } 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 ); 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 ); for ( i = 0; i < SLAP_OP_LAST; i++ ) { ldap_pvt_mp_clear( li->li_ops_completed[ i ] ); } ldap_pvt_thread_mutex_destroy( &li->li_counter_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 */