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137 lines
3.5 KiB
C
137 lines
3.5 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 1999-2005 The OpenLDAP Foundation.
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* Portions Copyright 2001-2003 Pierangelo Masarati.
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* Portions Copyright 1999-2003 Howard Chu.
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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 the Howard Chu for inclusion
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* in OpenLDAP Software and subsequently enhanced by Pierangelo
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* Masarati.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "../back-ldap/back-ldap.h"
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#include "back-meta.h"
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int
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meta_back_modrdn( Operation *op, SlapReply *rs )
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{
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metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
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metaconn_t *mc;
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int candidate = -1;
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struct berval mdn = BER_BVNULL,
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mnewSuperior = BER_BVNULL;
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dncookie dc;
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int msgid, do_retry = 1;
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mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
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if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
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return rs->sr_err;
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}
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assert( mc->mc_conns[ candidate ].msc_ld != NULL );
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dc.conn = op->o_conn;
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dc.rs = rs;
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if ( op->orr_newSup ) {
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int version = LDAP_VERSION3;
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/*
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* NOTE: the newParent, if defined, must be on the
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* same target as the entry to be renamed. This check
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* has been anticipated in meta_back_getconn()
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*/
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/*
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* FIXME: one possibility is to delete the entry
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* from one target and add it to the other;
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* unfortunately we'd need write access to both,
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* which is nearly impossible; for administration
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* needs, the rootdn of the metadirectory could
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* be mapped to an administrative account on each
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* target (the binddn?); we'll see.
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*/
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/*
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* NOTE: we need to port the identity assertion
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* feature from back-ldap
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*/
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/* newSuperior needs LDAPv3; if we got here, we can safely
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* enforce it */
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ldap_set_option( mc->mc_conns[ candidate ].msc_ld,
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LDAP_OPT_PROTOCOL_VERSION, &version );
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/*
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* Rewrite the new superior, if defined and required
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*/
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dc.rwmap = &mi->mi_targets[ candidate ]->mt_rwmap;
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dc.ctx = "newSuperiorDN";
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if ( ldap_back_dn_massage( &dc, op->orr_newSup, &mnewSuperior ) ) {
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rs->sr_err = LDAP_OTHER;
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goto cleanup;
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}
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}
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/*
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* Rewrite the modrdn dn, if required
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*/
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dc.rwmap = &mi->mi_targets[ candidate ]->mt_rwmap;
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dc.ctx = "modrDN";
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if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
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rs->sr_err = LDAP_OTHER;
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goto cleanup;
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}
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retry:;
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rs->sr_err = ldap_rename_s( mc->mc_conns[ candidate ].msc_ld,
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mdn.bv_val, op->orr_newrdn.bv_val,
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mnewSuperior.bv_val, op->orr_deleteoldrdn,
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op->o_ctrls, NULL );
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if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
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do_retry = 0;
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if ( meta_back_retry( op, rs, mc, candidate, LDAP_BACK_SENDERR ) ) {
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goto retry;
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}
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}
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cleanup:;
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if ( mdn.bv_val != op->o_req_dn.bv_val ) {
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free( mdn.bv_val );
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BER_BVZERO( &mdn );
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}
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if ( !BER_BVISNULL( &mnewSuperior )
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&& mnewSuperior.bv_val != op->orr_newSup->bv_val )
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{
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free( mnewSuperior.bv_val );
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BER_BVZERO( &mnewSuperior );
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}
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if ( rs->sr_err == LDAP_SUCCESS ) {
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meta_back_op_result( mc, op, rs, candidate );
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}
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send_ldap_result( op, rs );
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return rs->sr_err;
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}
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