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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2018 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 )
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metatarget_t *mt;
metaconn_t *mc;
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;
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 modify dn, if needed
*/
mt = mi->mi_targets[ candidate ];
dc.target = mt;
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "modifyDN";
if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
send_ldap_result( op, rs );
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_OTHER;
send_ldap_result( op, rs );
goto cleanup;
}
modv = ( LDAPMod ** )ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) );
if ( modv == NULL ) {
rs->sr_err = LDAP_OTHER;
send_ldap_result( op, rs );
goto cleanup;
}
dc.ctx = "modifyAttrDN";
isupdate = be_shadow_update( op );
for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) {
int j, is_oc = 0;
if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod )
{
continue;
}
if ( ml->sml_desc == slap_schema.si_ad_objectClass
|| ml->sml_desc == slap_schema.si_ad_structuralObjectClass )
{
is_oc = 1;
mapped = ml->sml_desc->ad_cname;
} else {
ldap_back_map( &mt->mt_rwmap.rwm_at,
&ml->sml_desc->ad_cname, &mapped,
BACKLDAP_MAP );
if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
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 ( ml->sml_values != NULL ) {
if ( is_oc ) {
for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
;
mods[ i ].mod_bvalues =
(struct berval **)ch_malloc( ( j + 1 ) *
sizeof( struct berval * ) );
for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); ) {
struct ldapmapping *mapping;
ldap_back_mapping( &mt->mt_rwmap.rwm_oc,
&ml->sml_values[ j ], &mapping, BACKLDAP_MAP );
if ( mapping == NULL ) {
if ( mt->mt_rwmap.rwm_oc.drop_missing ) {
continue;
}
mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];
} else {
mods[ i ].mod_bvalues[ j ] = &mapping->dst;
}
j++;
}
mods[ i ].mod_bvalues[ j ] = NULL;
} else {
if ( ml->sml_desc->ad_type->sat_syntax ==
slap_schema.si_syn_distinguishedName )
{
( void )ldap_dnattr_rewrite( &dc, ml->sml_values );
if ( ml->sml_values == NULL ) {
continue;
}
}
for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
;
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 = meta_back_controls_add( op, rs, mc, candidate, &ctrls );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
rs->sr_err = ldap_modify_ext( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
modv, ctrls, NULL, &msgid );
rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
mt->mt_timeout[ SLAP_OP_MODIFY ], ( 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 ( modv != NULL ) {
for ( i = 0; modv[ i ]; i++ ) {
free( modv[ i ]->mod_bvalues );
}
}
free( mods );
free( modv );
if ( mc ) {
meta_back_release_conn( mi, mc );
}
return rs->sr_err;
}
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