openldap/servers/slapd/back-meta/modrdn.c
2005-05-04 23:57:55 +00:00

137 lines
3.4 KiB
C

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