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diff --git a/servers/slapd/back-sql/init.c b/servers/slapd/back-sql/init.c
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+++ b/servers/slapd/back-sql/init.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1999 Dmitry Kovalev.
+ * Portions Copyright 2002 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Dmitry Kovalev for inclusion
+ * by OpenLDAP Software. Additional significant contributors include
+ * Pierangelo Masarati.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include "ac/string.h"
+
+#include "slap.h"
+#include "config.h"
+#include "proto-sql.h"
+
+int
+sql_back_initialize(
+ BackendInfo *bi )
+{
+ static char *controls[] = {
+ LDAP_CONTROL_ASSERT,
+ LDAP_CONTROL_MANAGEDSAIT,
+ LDAP_CONTROL_NOOP,
+#ifdef SLAP_CONTROL_X_TREE_DELETE
+ SLAP_CONTROL_X_TREE_DELETE,
+#endif /* SLAP_CONTROL_X_TREE_DELETE */
+#ifndef BACKSQL_ARBITRARY_KEY
+ LDAP_CONTROL_PAGEDRESULTS,
+#endif /* ! BACKSQL_ARBITRARY_KEY */
+ NULL
+ };
+ int rc;
+
+ bi->bi_controls = controls;
+
+ bi->bi_flags |=
+#if 0
+ SLAP_BFLAG_INCREMENT |
+#endif
+ SLAP_BFLAG_REFERRALS;
+
+ Debug( LDAP_DEBUG_TRACE,"==>sql_back_initialize()\n", 0, 0, 0 );
+
+ bi->bi_db_init = backsql_db_init;
+ bi->bi_db_config = config_generic_wrapper;
+ bi->bi_db_open = backsql_db_open;
+ bi->bi_db_close = backsql_db_close;
+ bi->bi_db_destroy = backsql_db_destroy;
+
+ bi->bi_op_abandon = 0;
+ bi->bi_op_compare = backsql_compare;
+ bi->bi_op_bind = backsql_bind;
+ bi->bi_op_unbind = 0;
+ bi->bi_op_search = backsql_search;
+ bi->bi_op_modify = backsql_modify;
+ bi->bi_op_modrdn = backsql_modrdn;
+ bi->bi_op_add = backsql_add;
+ bi->bi_op_delete = backsql_delete;
+
+ bi->bi_chk_referrals = 0;
+ bi->bi_operational = backsql_operational;
+ bi->bi_entry_get_rw = backsql_entry_get;
+ bi->bi_entry_release_rw = backsql_entry_release;
+
+ bi->bi_connection_init = 0;
+
+ rc = backsql_init_cf( bi );
+ Debug( LDAP_DEBUG_TRACE,"<==sql_back_initialize()\n", 0, 0, 0 );
+ return rc;
+}
+
+int
+backsql_destroy(
+ BackendInfo *bi )
+{
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_destroy()\n", 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_destroy()\n", 0, 0, 0 );
+ return 0;
+}
+
+int
+backsql_db_init(
+ BackendDB *bd,
+ ConfigReply *cr )
+{
+ backsql_info *bi;
+ int rc = 0;
+
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_db_init()\n", 0, 0, 0 );
+
+ bi = (backsql_info *)ch_calloc( 1, sizeof( backsql_info ) );
+ ldap_pvt_thread_mutex_init( &bi->sql_dbconn_mutex );
+ ldap_pvt_thread_mutex_init( &bi->sql_schema_mutex );
+
+ if ( backsql_init_db_env( bi ) != SQL_SUCCESS ) {
+ rc = -1;
+ }
+
+ bd->be_private = bi;
+ bd->be_cf_ocs = bd->bd_info->bi_cf_ocs;
+
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_db_init()\n", 0, 0, 0 );
+
+ return rc;
+}
+
+int
+backsql_db_destroy(
+ BackendDB *bd,
+ ConfigReply *cr )
+{
+ backsql_info *bi = (backsql_info*)bd->be_private;
+
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_db_destroy()\n", 0, 0, 0 );
+
+ backsql_free_db_env( bi );
+ ldap_pvt_thread_mutex_destroy( &bi->sql_dbconn_mutex );
+ backsql_destroy_schema_map( bi );
+ ldap_pvt_thread_mutex_destroy( &bi->sql_schema_mutex );
+
+ if ( bi->sql_dbname ) {
+ ch_free( bi->sql_dbname );
+ }
+ if ( bi->sql_dbuser ) {
+ ch_free( bi->sql_dbuser );
+ }
+ if ( bi->sql_dbpasswd ) {
+ ch_free( bi->sql_dbpasswd );
+ }
+ if ( bi->sql_dbhost ) {
+ ch_free( bi->sql_dbhost );
+ }
+ if ( bi->sql_upper_func.bv_val ) {
+ ch_free( bi->sql_upper_func.bv_val );
+ ch_free( bi->sql_upper_func_open.bv_val );
+ ch_free( bi->sql_upper_func_close.bv_val );
+ }
+ if ( bi->sql_concat_func ) {
+ ber_bvarray_free( bi->sql_concat_func );
+ }
+ if ( !BER_BVISNULL( &bi->sql_strcast_func ) ) {
+ ch_free( bi->sql_strcast_func.bv_val );
+ }
+ if ( !BER_BVISNULL( &bi->sql_children_cond ) ) {
+ ch_free( bi->sql_children_cond.bv_val );
+ }
+ if ( !BER_BVISNULL( &bi->sql_dn_match_cond ) ) {
+ ch_free( bi->sql_dn_match_cond.bv_val );
+ }
+ if ( !BER_BVISNULL( &bi->sql_subtree_cond ) ) {
+ ch_free( bi->sql_subtree_cond.bv_val );
+ }
+ if ( !BER_BVISNULL( &bi->sql_dn_oc_aliasing ) ) {
+ ch_free( bi->sql_dn_oc_aliasing.bv_val );
+ }
+ if ( bi->sql_oc_query ) {
+ ch_free( bi->sql_oc_query );
+ }
+ if ( bi->sql_at_query ) {
+ ch_free( bi->sql_at_query );
+ }
+ if ( bi->sql_id_query ) {
+ ch_free( bi->sql_id_query );
+ }
+ if ( bi->sql_has_children_query ) {
+ ch_free( bi->sql_has_children_query );
+ }
+ if ( bi->sql_insentry_stmt ) {
+ ch_free( bi->sql_insentry_stmt );
+ }
+ if ( bi->sql_delentry_stmt ) {
+ ch_free( bi->sql_delentry_stmt );
+ }
+ if ( bi->sql_renentry_stmt ) {
+ ch_free( bi->sql_renentry_stmt );
+ }
+ if ( bi->sql_delobjclasses_stmt ) {
+ ch_free( bi->sql_delobjclasses_stmt );
+ }
+ if ( !BER_BVISNULL( &bi->sql_aliasing ) ) {
+ ch_free( bi->sql_aliasing.bv_val );
+ }
+ if ( !BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
+ ch_free( bi->sql_aliasing_quote.bv_val );
+ }
+
+ if ( bi->sql_anlist ) {
+ int i;
+
+ for ( i = 0; !BER_BVISNULL( &bi->sql_anlist[ i ].an_name ); i++ )
+ {
+ ch_free( bi->sql_anlist[ i ].an_name.bv_val );
+ }
+ ch_free( bi->sql_anlist );
+ }
+
+ if ( bi->sql_baseObject ) {
+ entry_free( bi->sql_baseObject );
+ }
+
+ ch_free( bi );
+
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_db_destroy()\n", 0, 0, 0 );
+ return 0;
+}
+
+int
+backsql_db_open(
+ BackendDB *bd,
+ ConfigReply *cr )
+{
+ backsql_info *bi = (backsql_info*)bd->be_private;
+ struct berbuf bb = BB_NULL;
+
+ Connection conn = { 0 };
+ OperationBuffer opbuf;
+ Operation* op;
+ SQLHDBC dbh = SQL_NULL_HDBC;
+ void *thrctx = ldap_pvt_thread_pool_context();
+
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
+ "testing RDBMS connection\n", 0, 0, 0 );
+ if ( bi->sql_dbname == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "datasource name not specified "
+ "(use \"dbname\" directive in slapd.conf)\n", 0, 0, 0 );
+ return 1;
+ }
+
+ if ( bi->sql_concat_func == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "concat func not specified (use \"concat_pattern\" "
+ "directive in slapd.conf)\n", 0, 0, 0 );
+
+ if ( backsql_split_pattern( backsql_def_concat_func,
+ &bi->sql_concat_func, 2 ) ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "unable to parse pattern \"%s\"",
+ backsql_def_concat_func, 0, 0 );
+ return 1;
+ }
+ }
+
+ /*
+ * see back-sql.h for default values
+ */
+ if ( BER_BVISNULL( &bi->sql_aliasing ) ) {
+ ber_str2bv( BACKSQL_ALIASING,
+ STRLENOF( BACKSQL_ALIASING ),
+ 1, &bi->sql_aliasing );
+ }
+
+ if ( BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
+ ber_str2bv( BACKSQL_ALIASING_QUOTE,
+ STRLENOF( BACKSQL_ALIASING_QUOTE ),
+ 1, &bi->sql_aliasing_quote );
+ }
+
+ /*
+ * Prepare cast string as required
+ */
+ if ( bi->sql_upper_func.bv_val ) {
+ char buf[1024];
+
+ if ( BACKSQL_UPPER_NEEDS_CAST( bi ) ) {
+ snprintf( buf, sizeof( buf ),
+ "%s(cast (" /* ? as varchar(%d))) */ ,
+ bi->sql_upper_func.bv_val );
+ ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
+
+ snprintf( buf, sizeof( buf ),
+ /* (cast(? */ " as varchar(%d)))",
+ BACKSQL_MAX_DN_LEN );
+ ber_str2bv( buf, 0, 1, &bi->sql_upper_func_close );
+
+ } else {
+ snprintf( buf, sizeof( buf ), "%s(" /* ?) */ ,
+ bi->sql_upper_func.bv_val );
+ ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
+
+ ber_str2bv( /* (? */ ")", 0, 1, &bi->sql_upper_func_close );
+ }
+ }
+
+ /* normalize filter values only if necessary */
+ bi->sql_caseIgnoreMatch = mr_find( "caseIgnoreMatch" );
+ assert( bi->sql_caseIgnoreMatch != NULL );
+
+ bi->sql_telephoneNumberMatch = mr_find( "telephoneNumberMatch" );
+ assert( bi->sql_telephoneNumberMatch != NULL );
+
+ if ( bi->sql_dbuser == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "user name not specified "
+ "(use \"dbuser\" directive in slapd.conf)\n", 0, 0, 0 );
+ return 1;
+ }
+
+ if ( BER_BVISNULL( &bi->sql_subtree_cond ) ) {
+ /*
+ * Prepare concat function for subtree search condition
+ */
+ struct berval concat;
+ struct berval values[] = {
+ BER_BVC( "'%'" ),
+ BER_BVC( "?" ),
+ BER_BVNULL
+ };
+ struct berbuf bb = BB_NULL;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "subtree search SQL condition not specified "
+ "(use \"subtree_cond\" directive in slapd.conf); "
+ "preparing default\n",
+ 0, 0, 0);
+
+ if ( backsql_prepare_pattern( bi->sql_concat_func, values,
+ &concat ) ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "unable to prepare CONCAT pattern for subtree search",
+ 0, 0, 0 );
+ return 1;
+ }
+
+ if ( bi->sql_upper_func.bv_val ) {
+
+ /*
+ * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
+ */
+
+ backsql_strfcat_x( &bb, NULL, "blbbb",
+ &bi->sql_upper_func,
+ (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
+ "(ldap_entries.dn) LIKE ",
+ &bi->sql_upper_func_open,
+ &concat,
+ &bi->sql_upper_func_close );
+
+ } else {
+
+ /*
+ * ldap_entries.dn LIKE CONCAT('%',?)
+ */
+
+ backsql_strfcat_x( &bb, NULL, "lb",
+ (ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
+ "ldap_entries.dn LIKE ",
+ &concat );
+ }
+
+ ch_free( concat.bv_val );
+
+ bi->sql_subtree_cond = bb.bb_val;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" as default \"subtree_cond\"\n",
+ bi->sql_subtree_cond.bv_val, 0, 0 );
+ }
+
+ if ( bi->sql_children_cond.bv_val == NULL ) {
+ /*
+ * Prepare concat function for children search condition
+ */
+ struct berval concat;
+ struct berval values[] = {
+ BER_BVC( "'%,'" ),
+ BER_BVC( "?" ),
+ BER_BVNULL
+ };
+ struct berbuf bb = BB_NULL;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "children search SQL condition not specified "
+ "(use \"children_cond\" directive in slapd.conf); "
+ "preparing default\n",
+ 0, 0, 0);
+
+ if ( backsql_prepare_pattern( bi->sql_concat_func, values,
+ &concat ) ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "unable to prepare CONCAT pattern for children search", 0, 0, 0 );
+ return 1;
+ }
+
+ if ( bi->sql_upper_func.bv_val ) {
+
+ /*
+ * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
+ */
+
+ backsql_strfcat_x( &bb, NULL, "blbbb",
+ &bi->sql_upper_func,
+ (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
+ "(ldap_entries.dn) LIKE ",
+ &bi->sql_upper_func_open,
+ &concat,
+ &bi->sql_upper_func_close );
+
+ } else {
+
+ /*
+ * ldap_entries.dn LIKE CONCAT('%,',?)
+ */
+
+ backsql_strfcat_x( &bb, NULL, "lb",
+ (ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
+ "ldap_entries.dn LIKE ",
+ &concat );
+ }
+
+ ch_free( concat.bv_val );
+
+ bi->sql_children_cond = bb.bb_val;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" as default \"children_cond\"\n",
+ bi->sql_children_cond.bv_val, 0, 0 );
+ }
+
+ if ( bi->sql_dn_match_cond.bv_val == NULL ) {
+ /*
+ * Prepare concat function for dn match search condition
+ */
+ struct berbuf bb = BB_NULL;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "DN match search SQL condition not specified "
+ "(use \"dn_match_cond\" directive in slapd.conf); "
+ "preparing default\n",
+ 0, 0, 0);
+
+ if ( bi->sql_upper_func.bv_val ) {
+
+ /*
+ * UPPER(ldap_entries.dn)=?
+ */
+
+ backsql_strfcat_x( &bb, NULL, "blbcb",
+ &bi->sql_upper_func,
+ (ber_len_t)STRLENOF( "(ldap_entries.dn)=" ),
+ "(ldap_entries.dn)=",
+ &bi->sql_upper_func_open,
+ '?',
+ &bi->sql_upper_func_close );
+
+ } else {
+
+ /*
+ * ldap_entries.dn=?
+ */
+
+ backsql_strfcat_x( &bb, NULL, "l",
+ (ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
+ "ldap_entries.dn=?" );
+ }
+
+ bi->sql_dn_match_cond = bb.bb_val;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" as default \"dn_match_cond\"\n",
+ bi->sql_dn_match_cond.bv_val, 0, 0 );
+ }
+
+ if ( bi->sql_oc_query == NULL ) {
+ if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
+ bi->sql_oc_query =
+ ch_strdup( backsql_def_needs_select_oc_query );
+
+ } else {
+ bi->sql_oc_query = ch_strdup( backsql_def_oc_query );
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "objectclass mapping SQL statement not specified "
+ "(use \"oc_query\" directive in slapd.conf)\n",
+ 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" by default\n", bi->sql_oc_query, 0, 0 );
+ }
+
+ if ( bi->sql_at_query == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "attribute mapping SQL statement not specified "
+ "(use \"at_query\" directive in slapd.conf)\n",
+ 0, 0, 0 );
+ Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" by default\n",
+ backsql_def_at_query, 0, 0 );
+ bi->sql_at_query = ch_strdup( backsql_def_at_query );
+ }
+
+ 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",
+ 0, 0, 0 );
+ Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" by default\n",
+ backsql_def_insentry_stmt, 0, 0 );
+ 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",
+ 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" by default\n",
+ backsql_def_delentry_stmt, 0, 0 );
+ 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",
+ 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" by default\n",
+ backsql_def_renentry_stmt, 0, 0 );
+ 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",
+ 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "setting \"%s\" by default\n",
+ backsql_def_delobjclasses_stmt, 0, 0 );
+ 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", 0, 0, 0 );
+ return 1;
+ }
+ if ( backsql_load_schema_map( bi, dbh ) != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "schema mapping failed, exiting\n", 0, 0, 0 );
+ return 1;
+ }
+ if ( backsql_free_db_conn( op, dbh ) != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "connection free failed\n", 0, 0, 0 );
+ }
+ if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
+ "test failed, schema map not loaded - exiting\n",
+ 0, 0, 0 );
+ 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", 0, 0, 0 );
+ 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", 0, 0, 0 );
+
+ backsql_conn_destroy( bi );
+
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_db_close()\n", 0, 0, 0 );
+
+ 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 */
+