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662 lines
17 KiB
C
662 lines
17 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1999-2020 The OpenLDAP Foundation.
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* Portions Copyright 1999 Dmitry Kovalev.
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* Portions Copyright 2002 Pierangelo Masarati.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Dmitry Kovalev for inclusion
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* by OpenLDAP Software. Additional significant contributors include
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* Pierangelo Masarati.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <sys/types.h>
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#include "ac/string.h"
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#include "slap.h"
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#include "config.h"
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#include "proto-sql.h"
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int
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sql_back_initialize(
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BackendInfo *bi )
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{
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static char *controls[] = {
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LDAP_CONTROL_ASSERT,
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LDAP_CONTROL_MANAGEDSAIT,
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LDAP_CONTROL_NOOP,
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#ifdef SLAP_CONTROL_X_TREE_DELETE
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SLAP_CONTROL_X_TREE_DELETE,
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#endif /* SLAP_CONTROL_X_TREE_DELETE */
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#ifndef BACKSQL_ARBITRARY_KEY
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LDAP_CONTROL_PAGEDRESULTS,
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#endif /* ! BACKSQL_ARBITRARY_KEY */
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NULL
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};
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int rc;
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bi->bi_controls = controls;
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bi->bi_flags |=
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#if 0
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SLAP_BFLAG_INCREMENT |
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#endif
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SLAP_BFLAG_REFERRALS;
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Debug( LDAP_DEBUG_TRACE,"==>sql_back_initialize()\n" );
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bi->bi_db_init = backsql_db_init;
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bi->bi_db_config = config_generic_wrapper;
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bi->bi_db_open = backsql_db_open;
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bi->bi_db_close = backsql_db_close;
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bi->bi_db_destroy = backsql_db_destroy;
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bi->bi_op_abandon = 0;
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bi->bi_op_compare = backsql_compare;
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bi->bi_op_bind = backsql_bind;
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bi->bi_op_unbind = 0;
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bi->bi_op_search = backsql_search;
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bi->bi_op_modify = backsql_modify;
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bi->bi_op_modrdn = backsql_modrdn;
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bi->bi_op_add = backsql_add;
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bi->bi_op_delete = backsql_delete;
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bi->bi_chk_referrals = 0;
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bi->bi_operational = backsql_operational;
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bi->bi_entry_get_rw = backsql_entry_get;
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bi->bi_entry_release_rw = backsql_entry_release;
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bi->bi_connection_init = 0;
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rc = backsql_init_cf( bi );
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Debug( LDAP_DEBUG_TRACE,"<==sql_back_initialize()\n" );
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return rc;
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}
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int
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backsql_destroy(
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BackendInfo *bi )
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{
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Debug( LDAP_DEBUG_TRACE, "==>backsql_destroy()\n" );
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Debug( LDAP_DEBUG_TRACE, "<==backsql_destroy()\n" );
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return 0;
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}
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int
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backsql_db_init(
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BackendDB *bd,
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ConfigReply *cr )
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{
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backsql_info *bi;
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int rc = 0;
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Debug( LDAP_DEBUG_TRACE, "==>backsql_db_init()\n" );
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bi = (backsql_info *)ch_calloc( 1, sizeof( backsql_info ) );
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ldap_pvt_thread_mutex_init( &bi->sql_dbconn_mutex );
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ldap_pvt_thread_mutex_init( &bi->sql_schema_mutex );
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if ( backsql_init_db_env( bi ) != SQL_SUCCESS ) {
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rc = -1;
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}
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bd->be_private = bi;
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bd->be_cf_ocs = bd->bd_info->bi_cf_ocs;
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Debug( LDAP_DEBUG_TRACE, "<==backsql_db_init()\n" );
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return rc;
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}
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int
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backsql_db_destroy(
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BackendDB *bd,
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ConfigReply *cr )
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{
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backsql_info *bi = (backsql_info*)bd->be_private;
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Debug( LDAP_DEBUG_TRACE, "==>backsql_db_destroy()\n" );
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backsql_free_db_env( bi );
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ldap_pvt_thread_mutex_destroy( &bi->sql_dbconn_mutex );
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backsql_destroy_schema_map( bi );
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ldap_pvt_thread_mutex_destroy( &bi->sql_schema_mutex );
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if ( bi->sql_dbname ) {
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ch_free( bi->sql_dbname );
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}
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if ( bi->sql_dbuser ) {
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ch_free( bi->sql_dbuser );
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}
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if ( bi->sql_dbpasswd ) {
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ch_free( bi->sql_dbpasswd );
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}
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if ( bi->sql_dbhost ) {
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ch_free( bi->sql_dbhost );
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}
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if ( bi->sql_upper_func.bv_val ) {
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ch_free( bi->sql_upper_func.bv_val );
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ch_free( bi->sql_upper_func_open.bv_val );
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ch_free( bi->sql_upper_func_close.bv_val );
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}
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if ( bi->sql_concat_func ) {
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ber_bvarray_free( bi->sql_concat_func );
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}
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if ( !BER_BVISNULL( &bi->sql_strcast_func ) ) {
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ch_free( bi->sql_strcast_func.bv_val );
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}
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if ( !BER_BVISNULL( &bi->sql_children_cond ) ) {
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ch_free( bi->sql_children_cond.bv_val );
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}
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if ( !BER_BVISNULL( &bi->sql_dn_match_cond ) ) {
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ch_free( bi->sql_dn_match_cond.bv_val );
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}
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if ( !BER_BVISNULL( &bi->sql_subtree_cond ) ) {
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ch_free( bi->sql_subtree_cond.bv_val );
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}
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if ( !BER_BVISNULL( &bi->sql_dn_oc_aliasing ) ) {
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ch_free( bi->sql_dn_oc_aliasing.bv_val );
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}
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if ( bi->sql_oc_query ) {
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ch_free( bi->sql_oc_query );
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}
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if ( bi->sql_at_query ) {
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ch_free( bi->sql_at_query );
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}
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if ( bi->sql_id_query ) {
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ch_free( bi->sql_id_query );
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}
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if ( bi->sql_has_children_query ) {
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ch_free( bi->sql_has_children_query );
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}
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if ( bi->sql_insentry_stmt ) {
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ch_free( bi->sql_insentry_stmt );
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}
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if ( bi->sql_delentry_stmt ) {
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ch_free( bi->sql_delentry_stmt );
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}
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if ( bi->sql_renentry_stmt ) {
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ch_free( bi->sql_renentry_stmt );
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}
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if ( bi->sql_delobjclasses_stmt ) {
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ch_free( bi->sql_delobjclasses_stmt );
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}
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if ( !BER_BVISNULL( &bi->sql_aliasing ) ) {
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ch_free( bi->sql_aliasing.bv_val );
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}
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if ( !BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
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ch_free( bi->sql_aliasing_quote.bv_val );
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}
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if ( bi->sql_anlist ) {
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int i;
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for ( i = 0; !BER_BVISNULL( &bi->sql_anlist[ i ].an_name ); i++ )
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{
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ch_free( bi->sql_anlist[ i ].an_name.bv_val );
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}
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ch_free( bi->sql_anlist );
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}
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if ( bi->sql_baseObject ) {
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entry_free( bi->sql_baseObject );
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}
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ch_free( bi );
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Debug( LDAP_DEBUG_TRACE, "<==backsql_db_destroy()\n" );
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return 0;
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}
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int
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backsql_db_open(
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BackendDB *bd,
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ConfigReply *cr )
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{
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backsql_info *bi = (backsql_info*)bd->be_private;
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struct berbuf bb = BB_NULL;
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Connection conn = { 0 };
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OperationBuffer opbuf;
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Operation* op;
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SQLHDBC dbh = SQL_NULL_HDBC;
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void *thrctx = ldap_pvt_thread_pool_context();
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Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
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"testing RDBMS connection\n" );
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if ( bi->sql_dbname == NULL ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"datasource name not specified "
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"(use \"dbname\" directive in slapd.conf)\n" );
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return 1;
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}
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if ( bi->sql_concat_func == NULL ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"concat func not specified (use \"concat_pattern\" "
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"directive in slapd.conf)\n" );
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if ( backsql_split_pattern( backsql_def_concat_func,
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&bi->sql_concat_func, 2 ) ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"unable to parse pattern \"%s\"",
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backsql_def_concat_func );
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return 1;
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}
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}
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/*
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* see back-sql.h for default values
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*/
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if ( BER_BVISNULL( &bi->sql_aliasing ) ) {
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ber_str2bv( BACKSQL_ALIASING,
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STRLENOF( BACKSQL_ALIASING ),
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1, &bi->sql_aliasing );
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}
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if ( BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
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ber_str2bv( BACKSQL_ALIASING_QUOTE,
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STRLENOF( BACKSQL_ALIASING_QUOTE ),
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1, &bi->sql_aliasing_quote );
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}
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/*
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* Prepare cast string as required
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*/
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if ( bi->sql_upper_func.bv_val ) {
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char buf[1024];
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if ( BACKSQL_UPPER_NEEDS_CAST( bi ) ) {
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snprintf( buf, sizeof( buf ),
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"%s(cast (" /* ? as varchar(%d))) */ ,
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bi->sql_upper_func.bv_val );
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ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
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snprintf( buf, sizeof( buf ),
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/* (cast(? */ " as varchar(%d)))",
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BACKSQL_MAX_DN_LEN );
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ber_str2bv( buf, 0, 1, &bi->sql_upper_func_close );
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} else {
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snprintf( buf, sizeof( buf ), "%s(" /* ?) */ ,
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bi->sql_upper_func.bv_val );
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ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
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ber_str2bv( /* (? */ ")", 0, 1, &bi->sql_upper_func_close );
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}
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}
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/* normalize filter values only if necessary */
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bi->sql_caseIgnoreMatch = mr_find( "caseIgnoreMatch" );
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assert( bi->sql_caseIgnoreMatch != NULL );
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bi->sql_telephoneNumberMatch = mr_find( "telephoneNumberMatch" );
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assert( bi->sql_telephoneNumberMatch != NULL );
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if ( bi->sql_dbuser == NULL ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"user name not specified "
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"(use \"dbuser\" directive in slapd.conf)\n" );
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return 1;
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}
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if ( BER_BVISNULL( &bi->sql_subtree_cond ) ) {
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/*
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* Prepare concat function for subtree search condition
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*/
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struct berval concat;
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struct berval values[] = {
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BER_BVC( "'%'" ),
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BER_BVC( "?" ),
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BER_BVNULL
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};
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struct berbuf bb = BB_NULL;
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"subtree search SQL condition not specified "
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"(use \"subtree_cond\" directive in slapd.conf); "
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"preparing default\n" );
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if ( backsql_prepare_pattern( bi->sql_concat_func, values,
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&concat ) ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"unable to prepare CONCAT pattern for subtree search" );
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return 1;
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}
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if ( bi->sql_upper_func.bv_val ) {
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/*
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* UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
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*/
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backsql_strfcat_x( &bb, NULL, "blbbb",
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&bi->sql_upper_func,
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(ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
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"(ldap_entries.dn) LIKE ",
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&bi->sql_upper_func_open,
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&concat,
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&bi->sql_upper_func_close );
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} else {
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/*
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* ldap_entries.dn LIKE CONCAT('%',?)
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*/
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backsql_strfcat_x( &bb, NULL, "lb",
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(ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
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"ldap_entries.dn LIKE ",
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&concat );
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}
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ch_free( concat.bv_val );
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bi->sql_subtree_cond = bb.bb_val;
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"setting \"%s\" as default \"subtree_cond\"\n",
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bi->sql_subtree_cond.bv_val );
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}
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if ( bi->sql_children_cond.bv_val == NULL ) {
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/*
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* Prepare concat function for children search condition
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*/
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struct berval concat;
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struct berval values[] = {
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BER_BVC( "'%,'" ),
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BER_BVC( "?" ),
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BER_BVNULL
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};
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struct berbuf bb = BB_NULL;
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"children search SQL condition not specified "
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"(use \"children_cond\" directive in slapd.conf); "
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"preparing default\n" );
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if ( backsql_prepare_pattern( bi->sql_concat_func, values,
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&concat ) ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"unable to prepare CONCAT pattern for children search" );
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return 1;
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}
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if ( bi->sql_upper_func.bv_val ) {
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/*
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* UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
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*/
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backsql_strfcat_x( &bb, NULL, "blbbb",
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&bi->sql_upper_func,
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(ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
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"(ldap_entries.dn) LIKE ",
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&bi->sql_upper_func_open,
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&concat,
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&bi->sql_upper_func_close );
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} else {
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/*
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* ldap_entries.dn LIKE CONCAT('%,',?)
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*/
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backsql_strfcat_x( &bb, NULL, "lb",
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(ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
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"ldap_entries.dn LIKE ",
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&concat );
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}
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ch_free( concat.bv_val );
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bi->sql_children_cond = bb.bb_val;
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"setting \"%s\" as default \"children_cond\"\n",
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bi->sql_children_cond.bv_val );
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}
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if ( bi->sql_dn_match_cond.bv_val == NULL ) {
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/*
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* Prepare concat function for dn match search condition
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*/
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struct berbuf bb = BB_NULL;
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"DN match search SQL condition not specified "
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"(use \"dn_match_cond\" directive in slapd.conf); "
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"preparing default\n" );
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if ( bi->sql_upper_func.bv_val ) {
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/*
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* UPPER(ldap_entries.dn)=?
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*/
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backsql_strfcat_x( &bb, NULL, "blbcb",
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&bi->sql_upper_func,
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(ber_len_t)STRLENOF( "(ldap_entries.dn)=" ),
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"(ldap_entries.dn)=",
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&bi->sql_upper_func_open,
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'?',
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&bi->sql_upper_func_close );
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} else {
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/*
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* ldap_entries.dn=?
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*/
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backsql_strfcat_x( &bb, NULL, "l",
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(ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
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"ldap_entries.dn=?" );
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}
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bi->sql_dn_match_cond = bb.bb_val;
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"setting \"%s\" as default \"dn_match_cond\"\n",
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bi->sql_dn_match_cond.bv_val );
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}
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if ( bi->sql_oc_query == NULL ) {
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if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
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bi->sql_oc_query =
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ch_strdup( backsql_def_needs_select_oc_query );
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} else {
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bi->sql_oc_query = ch_strdup( backsql_def_oc_query );
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}
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"objectclass mapping SQL statement not specified "
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"(use \"oc_query\" directive in slapd.conf)\n" );
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"setting \"%s\" by default\n", bi->sql_oc_query );
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}
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if ( bi->sql_at_query == NULL ) {
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Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"attribute mapping SQL statement not specified "
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"(use \"at_query\" directive in slapd.conf)\n" );
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Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
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"setting \"%s\" by default\n",
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backsql_def_at_query );
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bi->sql_at_query = ch_strdup( backsql_def_at_query );
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}
|
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|
|
if ( bi->sql_insentry_stmt == NULL ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"entry insertion SQL statement not specified "
|
|
"(use \"insentry_stmt\" directive in slapd.conf)\n" );
|
|
Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"setting \"%s\" by default\n",
|
|
backsql_def_insentry_stmt );
|
|
bi->sql_insentry_stmt = ch_strdup( backsql_def_insentry_stmt );
|
|
}
|
|
|
|
if ( bi->sql_delentry_stmt == NULL ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"entry deletion SQL statement not specified "
|
|
"(use \"delentry_stmt\" directive in slapd.conf)\n" );
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"setting \"%s\" by default\n",
|
|
backsql_def_delentry_stmt );
|
|
bi->sql_delentry_stmt = ch_strdup( backsql_def_delentry_stmt );
|
|
}
|
|
|
|
if ( bi->sql_renentry_stmt == NULL ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"entry deletion SQL statement not specified "
|
|
"(use \"renentry_stmt\" directive in slapd.conf)\n" );
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"setting \"%s\" by default\n",
|
|
backsql_def_renentry_stmt );
|
|
bi->sql_renentry_stmt = ch_strdup( backsql_def_renentry_stmt );
|
|
}
|
|
|
|
if ( bi->sql_delobjclasses_stmt == NULL ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"objclasses deletion SQL statement not specified "
|
|
"(use \"delobjclasses_stmt\" directive in slapd.conf)\n" );
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"setting \"%s\" by default\n",
|
|
backsql_def_delobjclasses_stmt );
|
|
bi->sql_delobjclasses_stmt = ch_strdup( backsql_def_delobjclasses_stmt );
|
|
}
|
|
|
|
/* This should just be to force schema loading */
|
|
connection_fake_init2( &conn, &opbuf, thrctx, 0 );
|
|
op = &opbuf.ob_op;
|
|
op->o_bd = bd;
|
|
if ( backsql_get_db_conn( op, &dbh ) != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"connection failed, exiting\n" );
|
|
return 1;
|
|
}
|
|
if ( backsql_load_schema_map( bi, dbh ) != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"schema mapping failed, exiting\n" );
|
|
return 1;
|
|
}
|
|
if ( backsql_free_db_conn( op, dbh ) != SQL_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"connection free failed\n" );
|
|
}
|
|
if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
|
|
"test failed, schema map not loaded - exiting\n" );
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Prepare ID selection query
|
|
*/
|
|
if ( bi->sql_id_query == NULL ) {
|
|
/* no custom id_query provided */
|
|
if ( bi->sql_upper_func.bv_val == NULL ) {
|
|
backsql_strcat_x( &bb, NULL, backsql_id_query, "dn=?", NULL );
|
|
|
|
} else {
|
|
if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
|
|
backsql_strcat_x( &bb, NULL, backsql_id_query,
|
|
"dn_ru=?", NULL );
|
|
} else {
|
|
if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
|
|
backsql_strfcat_x( &bb, NULL, "sbl",
|
|
backsql_id_query,
|
|
&bi->sql_upper_func,
|
|
(ber_len_t)STRLENOF( "(dn)=?" ), "(dn)=?" );
|
|
} else {
|
|
backsql_strfcat_x( &bb, NULL, "sblbcb",
|
|
backsql_id_query,
|
|
&bi->sql_upper_func,
|
|
(ber_len_t)STRLENOF( "(dn)=" ), "(dn)=",
|
|
&bi->sql_upper_func_open,
|
|
'?',
|
|
&bi->sql_upper_func_close );
|
|
}
|
|
}
|
|
}
|
|
bi->sql_id_query = bb.bb_val.bv_val;
|
|
}
|
|
|
|
/*
|
|
* Prepare children count query
|
|
*/
|
|
BER_BVZERO( &bb.bb_val );
|
|
bb.bb_len = 0;
|
|
backsql_strfcat_x( &bb, NULL, "sbsb",
|
|
"SELECT COUNT(distinct subordinates.id) "
|
|
"FROM ldap_entries,ldap_entries ",
|
|
&bi->sql_aliasing, "subordinates "
|
|
"WHERE subordinates.parent=ldap_entries.id AND ",
|
|
&bi->sql_dn_match_cond );
|
|
bi->sql_has_children_query = bb.bb_val.bv_val;
|
|
|
|
/*
|
|
* Prepare DN and objectClass aliasing bit of query
|
|
*/
|
|
BER_BVZERO( &bb.bb_val );
|
|
bb.bb_len = 0;
|
|
backsql_strfcat_x( &bb, NULL, "sbbsbsbbsb",
|
|
" ", &bi->sql_aliasing, &bi->sql_aliasing_quote,
|
|
"objectClass", &bi->sql_aliasing_quote,
|
|
",ldap_entries.dn ", &bi->sql_aliasing,
|
|
&bi->sql_aliasing_quote, "dn", &bi->sql_aliasing_quote );
|
|
bi->sql_dn_oc_aliasing = bb.bb_val;
|
|
|
|
/* should never happen! */
|
|
assert( bd->be_nsuffix != NULL );
|
|
|
|
if ( BER_BVISNULL( &bd->be_nsuffix[ 1 ] ) ) {
|
|
/* enable if only one suffix is defined */
|
|
bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT;
|
|
}
|
|
|
|
bi->sql_flags |= BSQLF_CHECK_SCHEMA;
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_open(): "
|
|
"test succeeded, schema map loaded\n" );
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
backsql_db_close(
|
|
BackendDB *bd,
|
|
ConfigReply *cr )
|
|
{
|
|
backsql_info *bi = (backsql_info*)bd->be_private;
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "==>backsql_db_close()\n" );
|
|
|
|
backsql_conn_destroy( bi );
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_close()\n" );
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if SLAPD_SQL == SLAPD_MOD_DYNAMIC
|
|
|
|
/* conditionally define the init_module() function */
|
|
SLAP_BACKEND_INIT_MODULE( sql )
|
|
|
|
#endif /* SLAPD_SQL == SLAPD_MOD_DYNAMIC */
|
|
|