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/* modify.c - ldap backend modify function */
/* $OpenLDAP: pkg/ldap/servers/slapd/back-ldap/modify.c,v 1.58.2.11 2006/09/26 12:54:26 ando Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2006 The OpenLDAP Foundation.
* Portions Copyright 1999-2003 Howard Chu.
* Portions Copyright 2000-2003 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 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.h"
int
ldap_back_modify(
Operation *op,
SlapReply *rs )
{
ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
ldapconn_t *lc;
LDAPMod **modv = NULL,
*mods = NULL;
Modifications *ml;
int i, j, rc;
ber_int_t msgid;
int isupdate;
int do_retry = 1;
LDAPControl **ctrls = NULL;
lc = ldap_back_getconn( op, rs, LDAP_BACK_SENDERR );
if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
return rs->sr_err;
}
for ( i = 0, ml = op->oq_modify.rs_modlist; ml; i++, ml = ml->sml_next )
/* just count mods */ ;
modv = (LDAPMod **)ch_malloc( ( i + 1 )*sizeof( LDAPMod * )
+ i*sizeof( LDAPMod ) );
if ( modv == NULL ) {
rc = LDAP_NO_MEMORY;
goto cleanup;
}
mods = (LDAPMod *)&modv[ i + 1 ];
isupdate = be_shadow_update( op );
for ( i = 0, ml = op->oq_modify.rs_modlist; ml; ml = ml->sml_next ) {
if ( !isupdate && !get_manageDIT( op ) && ml->sml_desc->ad_type->sat_no_user_mod )
{
continue;
}
modv[ i ] = &mods[ i ];
mods[ i ].mod_op = ( ml->sml_op | LDAP_MOD_BVALUES );
mods[ i ].mod_type = ml->sml_desc->ad_cname.bv_val;
if ( ml->sml_values != NULL ) {
if ( ml->sml_values == NULL ) {
continue;
}
for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
/* just count mods */ ;
mods[ i ].mod_bvalues =
(struct berval **)ch_malloc( ( j + 1 )*sizeof( struct berval * ) );
for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
{
mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];
}
mods[ i ].mod_bvalues[ j ] = NULL;
} else {
mods[ i ].mod_bvalues = NULL;
}
i++;
}
modv[ i ] = 0;
retry:;
ctrls = op->o_ctrls;
rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
rc = -1;
goto cleanup;
}
rs->sr_err = ldap_modify_ext( lc->lc_ld, op->o_req_dn.bv_val, modv,
ctrls, NULL, &msgid );
rc = ldap_back_op_result( lc, op, rs, msgid,
li->li_timeout[ LDAP_BACK_OP_MODIFY], LDAP_BACK_SENDRESULT );
if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
do_retry = 0;
if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
/* if the identity changed, there might be need to re-authz */
(void)ldap_back_proxy_authz_ctrl_free( op, &ctrls );
goto retry;
}
}
cleanup:;
(void)ldap_back_proxy_authz_ctrl_free( op, &ctrls );
for ( i = 0; modv[ i ]; i++ ) {
ch_free( modv[ i ]->mod_bvalues );
}
ch_free( modv );
if ( lc != NULL ) {
ldap_back_release_conn( op, rs, lc );
}
return rc;
}
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