openldap/servers/slapd/back-meta/modify.c
2005-01-13 18:43:59 +00:00

173 lines
3.9 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/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
int
meta_back_modify( Operation *op, SlapReply *rs )
{
struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
struct metaconn *lc;
int rc = 0;
LDAPMod **modv = NULL;
LDAPMod *mods = NULL;
Modifications *ml;
int candidate = -1, i;
int isupdate;
struct berval mdn = BER_BVNULL;
struct berval mapped;
dncookie dc;
lc = meta_back_getconn( op, rs, META_OP_REQUIRE_SINGLE,
&op->o_req_ndn, &candidate );
if ( !lc ) {
rc = -1;
goto cleanup;
}
if ( !meta_back_dobind( lc, op ) ) {
rs->sr_err = LDAP_UNAVAILABLE;
} else if ( !meta_back_is_valid( lc, candidate ) ) {
rs->sr_err = LDAP_OTHER;
}
if ( rs->sr_err != LDAP_SUCCESS ) {
rc = -1;
goto cleanup;
}
/*
* Rewrite the modify dn, if needed
*/
dc.rwmap = &li->targets[ candidate ]->mt_rwmap;
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "modifyDN";
if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
rc = -1;
goto cleanup;
}
for ( i = 0, ml = op->orm_modlist; ml; i++ ,ml = ml->sml_next )
;
mods = ch_malloc( sizeof( LDAPMod )*i );
if ( mods == NULL ) {
rs->sr_err = LDAP_NO_MEMORY;
rc = -1;
goto cleanup;
}
modv = ( LDAPMod ** )ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) );
if ( modv == NULL ) {
rs->sr_err = LDAP_NO_MEMORY;
rc = -1;
goto cleanup;
}
dc.ctx = "modifyAttrDN";
isupdate = be_shadow_update( op );
for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) {
int j;
if ( !isupdate && ml->sml_desc->ad_type->sat_no_user_mod ) {
continue;
}
ldap_back_map( &li->targets[ candidate ]->mt_rwmap.rwm_at,
&ml->sml_desc->ad_cname, &mapped,
BACKLDAP_MAP );
if ( BER_BVISNULL( &mapped ) || mapped.bv_val[0] == '\0' ) {
continue;
}
modv[ i ] = &mods[ i ];
mods[ i ].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
mods[ i ].mod_type = mapped.bv_val;
/*
* FIXME: dn-valued attrs should be rewritten
* to allow their use in ACLs at the back-ldap
* level.
*/
if ( strcmp( ml->sml_desc->ad_type->sat_syntax->ssyn_oid,
SLAPD_DN_SYNTAX ) == 0 )
{
( void )ldap_dnattr_rewrite( &dc, ml->sml_values );
}
if ( ml->sml_values != NULL ) {
for ( j = 0; ml->sml_values[ j ].bv_val; j++ )
;
mods[ i ].mod_bvalues =
(struct berval **)ch_malloc( ( j + 1 ) *
sizeof(struct berval *) );
for ( j = 0; ml->sml_values[ j ].bv_val; 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;
rc = ldap_modify_ext_s( lc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
modv, NULL, NULL ) != LDAP_SUCCESS;
cleanup:;
if ( mdn.bv_val != op->o_req_dn.bv_val ) {
free( mdn.bv_val );
BER_BVZERO( &mdn );
}
if ( modv != NULL ) {
for ( i = 0; modv[ i ]; i++ ) {
free( modv[ i ]->mod_bvalues );
}
}
free( mods );
free( modv );
if ( rc == 0 ) {
return meta_back_op_result( lc, op, rs ) == LDAP_SUCCESS
? 0 : 1;
} /* else */
send_ldap_result( op, rs );
return rc;
}