openldap/servers/slapd/delete.c
Jong Hyuk Choi e8cd5c2386 - LDAP_SYNCREPL defined in include/ldap.h
- add "updatedn" to the replication specification
- return referral to update to the slave server
2003-05-01 23:39:29 +00:00

259 lines
7.1 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
#include "slap.h"
#ifdef LDAP_SLAPI
#include "slapi.h"
#endif
int
do_delete(
Operation *op,
SlapReply *rs
)
{
struct berval dn = { 0, NULL };
int manageDSAit;
#ifdef LDAP_SLAPI
Slapi_PBlock *pb = op->o_pb;
#endif
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
"do_delete: conn %d\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
#endif
/*
* Parse the delete request. It looks like this:
*
* DelRequest := DistinguishedName
*/
if ( ber_scanf( op->o_ber, "m", &dn ) == LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_delete: conn: %d ber_scanf failed\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
return SLAPD_DISCONNECT;
}
if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_delete: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
#endif
goto cleanup;
}
rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
if( rs->sr_err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_delete: conn %d invalid dn (%s)\n",
op->o_connid, dn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_delete: invalid dn (%s)\n", dn.bv_val, 0, 0 );
#endif
send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
goto cleanup;
}
if( op->o_req_ndn.bv_len == 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_delete: conn %d: Attempt to delete root DSE.\n",
op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_delete: root dse!\n", 0, 0, 0 );
#endif
/* protocolError would likely be a more appropriate error */
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"cannot delete the root DSE" );
goto cleanup;
} else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_delete: conn %d: "
"Attempt to delete subschema subentry.\n", op->o_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_delete: subschema subentry!\n", 0, 0, 0 );
#endif
/* protocolError would likely be a more appropriate error */
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"cannot delete the root DSE" );
goto cleanup;
}
Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu DEL dn=\"%s\"\n",
op->o_connid, op->o_opid, op->o_req_dn.bv_val, 0, 0 );
manageDSAit = get_manageDSAit( op );
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
if ( (op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 )) == NULL ) {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = default_referral;
if ( rs->sr_ref != NULL ) {
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"referral missing" );
}
goto cleanup;
}
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for referrals */
if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto cleanup;
}
#if defined( LDAP_SLAPI )
slapi_x_pblock_set_operation( pb, op );
slapi_pblock_set( pb, SLAPI_DELETE_TARGET, (void *)dn.bv_val );
slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_DELETE_FN, pb );
if ( rs->sr_err < 0 ) {
/*
* A preoperation plugin failure will abort the
* entire operation.
*/
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_delete: delete preoperation plugin "
"failed\n", 0, 0, 0 );
#else
Debug (LDAP_DEBUG_TRACE, "do_delete: delete preoperation plugin failed.\n",
0, 0, 0);
#endif
if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 ) ||
rs->sr_err == LDAP_SUCCESS ) {
rs->sr_err = LDAP_OTHER;
}
goto cleanup;
}
#endif /* defined( LDAP_SLAPI ) */
/*
* do the delete if 1 && (2 || 3)
* 1) there is a delete function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the update_ndn.
*/
if ( op->o_bd->be_delete ) {
/* do the update here */
int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
#if defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER)
if ( !op->o_bd->syncinfo && ( !op->o_bd->be_update_ndn.bv_len || repl_user ))
#elif defined(LDAP_SYNCREPL) && defined(SLAPD_MULTIMASTER)
if ( !op->o_bd->syncinfo ) /* LDAP_SYNCREPL overrides MM */
#elif !defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER)
if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
#endif
{
if ( (op->o_bd->be_delete)( op, rs ) == 0 ) {
#ifdef SLAPD_MULTIMASTER
if ( !op->o_bd->be_update_ndn.bv_len || !repl_user )
#endif
{
replog( op );
}
}
#if defined(LDAP_SYNCREPL) || !defined(SLAPD_MULTIMASTER)
} else {
BerVarray defref = NULL;
#ifdef LDAP_SYNCREPL
if ( op->o_bd->syncinfo ) {
defref = op->o_bd->syncinfo->master_bv;
} else
#endif
{
defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
}
if ( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = defref;
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs,
LDAP_UNWILLING_TO_PERFORM,
"referral missing" );
}
#endif
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"operation not supported within namingContext" );
}
#if defined( LDAP_SLAPI )
if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_DELETE_FN, pb ) < 0) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_delete: delete postoperation plugins "
"failed\n", 0, 0, 0 );
#else
Debug(LDAP_DEBUG_TRACE, "do_delete: delete postoperation plugins "
"failed.\n", 0, 0, 0);
#endif
}
#endif /* defined( LDAP_SLAPI ) */
cleanup:
op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
return rs->sr_err;
}