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-rw-r--r--servers/slapd/back-sql/modify.c212
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diff --git a/servers/slapd/back-sql/modify.c b/servers/slapd/back-sql/modify.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2022 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 "proto-sql.h"
+
+int
+backsql_modify( Operation *op, SlapReply *rs )
+{
+ backsql_info *bi = (backsql_info*)op->o_bd->be_private;
+ SQLHDBC dbh = SQL_NULL_HDBC;
+ backsql_oc_map_rec *oc = NULL;
+ backsql_srch_info bsi = { 0 };
+ Entry m = { 0 }, *e = NULL;
+ int manageDSAit = get_manageDSAit( op );
+ SQLUSMALLINT CompletionType = SQL_ROLLBACK;
+
+ /*
+ * FIXME: in case part of the operation cannot be performed
+ * (missing mapping, SQL write fails or so) the entire operation
+ * should be rolled-back
+ */
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
+ op->o_req_ndn.bv_val );
+
+ rs->sr_err = backsql_get_db_conn( op, &dbh );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, " backsql_modify(): "
+ "could not get connection handle - exiting\n" );
+ /*
+ * FIXME: we don't want to send back
+ * excessively detailed messages
+ */
+ rs->sr_text = ( rs->sr_err == LDAP_OTHER )
+ ? "SQL-backend error" : NULL;
+ goto done;
+ }
+
+ bsi.bsi_e = &m;
+ rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
+ LDAP_SCOPE_BASE,
+ (time_t)(-1), NULL, dbh, op, rs,
+ slap_anlist_all_attributes,
+ ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
+ switch ( rs->sr_err ) {
+ case LDAP_SUCCESS:
+ break;
+
+ case LDAP_REFERRAL:
+ if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
+ dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
+ {
+ rs->sr_err = LDAP_SUCCESS;
+ rs->sr_text = NULL;
+ rs->sr_matched = NULL;
+ if ( rs->sr_ref ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+ break;
+ }
+ e = &m;
+ /* fallthru */
+
+ default:
+ Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
+ "could not retrieve modifyDN ID - no such entry\n" );
+ if ( !BER_BVISNULL( &m.e_nname ) ) {
+ /* FIXME: should always be true! */
+ e = &m;
+
+ } else {
+ e = NULL;
+ }
+ goto done;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, " backsql_modify(): "
+ "modifying entry \"%s\" (id=" BACKSQL_IDFMT ")\n",
+ bsi.bsi_base_id.eid_dn.bv_val,
+ BACKSQL_IDARG(bsi.bsi_base_id.eid_id) );
+
+ if ( get_assert( op ) &&
+ ( test_filter( op, &m, get_assertion( op ) )
+ != LDAP_COMPARE_TRUE ))
+ {
+ rs->sr_err = LDAP_ASSERTION_FAILED;
+ e = &m;
+ goto done;
+ }
+
+ slap_mods_opattrs( op, &op->orm_modlist, 1 );
+
+ assert( bsi.bsi_base_id.eid_oc != NULL );
+ oc = bsi.bsi_base_id.eid_oc;
+
+ if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) {
+ rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+ e = &m;
+ goto done;
+ }
+
+ rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
+ &bsi.bsi_base_id, op->orm_modlist );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ e = &m;
+ goto do_transact;
+ }
+
+ if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
+ char textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
+
+ backsql_entry_clean( op, &m );
+
+ bsi.bsi_e = &m;
+ rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ e = &m;
+ goto do_transact;
+ }
+
+ rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, NULL,
+ &rs->sr_text, textbuf, sizeof( textbuf ) );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, " backsql_modify(\"%s\"): "
+ "entry failed schema check -- aborting\n",
+ m.e_name.bv_val );
+ e = NULL;
+ goto do_transact;
+ }
+ }
+
+do_transact:;
+ /*
+ * Commit only if all operations succeed
+ */
+ if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
+ assert( e == NULL );
+ CompletionType = SQL_COMMIT;
+ }
+
+ SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
+
+done:;
+ if ( e != NULL ) {
+ if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
+ ACL_DISCLOSE, NULL ) )
+ {
+ rs->sr_err = LDAP_NO_SUCH_OBJECT;
+ rs->sr_text = NULL;
+ rs->sr_matched = NULL;
+ if ( rs->sr_ref ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+ }
+ }
+
+ if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
+ rs->sr_err = LDAP_X_NO_OPERATION;
+ }
+
+ send_ldap_result( op, rs );
+ slap_graduate_commit_csn( op );
+
+ if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
+ (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
+ }
+
+ if ( !BER_BVISNULL( &m.e_nname ) ) {
+ backsql_entry_clean( op, &m );
+ }
+
+ if ( bsi.bsi_attrs != NULL ) {
+ op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
+ }
+
+ if ( rs->sr_ref ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n" );
+
+ return rs->sr_err;
+}
+