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-rw-r--r--servers/slapd/back-meta/delete.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/servers/slapd/back-meta/delete.c b/servers/slapd/back-meta/delete.c
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+++ b/servers/slapd/back-meta/delete.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 2001-2003 Pierangelo Masarati.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * 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 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/back-ldap.h"
+#include "back-meta.h"
+
+int
+meta_back_delete( Operation *op, SlapReply *rs )
+{
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metatarget_t *mt;
+ metaconn_t *mc = NULL;
+ int candidate = -1;
+ struct berval mdn = BER_BVNULL;
+ dncookie dc;
+ int msgid;
+ ldap_back_send_t retrying = LDAP_BACK_RETRYING;
+ LDAPControl **ctrls = NULL;
+
+ mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
+ if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
+ return rs->sr_err;
+ }
+
+ assert( mc->mc_conns[ candidate ].msc_ld != NULL );
+
+ /*
+ * Rewrite the compare dn, if needed
+ */
+ mt = mi->mi_targets[ candidate ];
+ dc.target = mt;
+ dc.conn = op->o_conn;
+ dc.rs = rs;
+ dc.ctx = "deleteDN";
+
+ if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+retry:;
+ ctrls = op->o_ctrls;
+ if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
+ {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld,
+ mdn.bv_val, ctrls, NULL, &msgid );
+ rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
+ mt->mt_timeout[ SLAP_OP_DELETE ], ( LDAP_BACK_SENDRESULT | retrying ) );
+ if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
+ retrying &= ~LDAP_BACK_RETRYING;
+ if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
+ /* if the identity changed, there might be need to re-authz */
+ (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
+ goto retry;
+ }
+ }
+
+cleanup:;
+ (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
+
+ if ( mdn.bv_val != op->o_req_dn.bv_val ) {
+ free( mdn.bv_val );
+ BER_BVZERO( &mdn );
+ }
+
+ if ( mc ) {
+ meta_back_release_conn( mi, mc );
+ }
+
+ return rs->sr_err;
+}
+