openldap/servers/slapd/delete.c
Kurt Zeilenga 60802201e3 Const'ification
SASL mech removed from backend bind callback (as SASL is managed by frontend)
Changes to some backends are untested (as I don't have all dependent
  software install)
2000-05-22 03:46:57 +00:00

140 lines
3.6 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2000 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"
int
do_delete(
Connection *conn,
Operation *op
)
{
char *dn, *ndn = NULL;
const char *text;
Backend *be;
int rc;
Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
/*
* Parse the delete request. It looks like this:
*
* DelRequest := DistinguishedName
*/
if ( ber_scanf( op->o_ber, "a", &dn ) == LBER_ERROR ) {
Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
return SLAPD_DISCONNECT;
}
if( ( rc = get_ctrls( conn, op, 1 ) ) != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
goto cleanup;
}
ndn = ch_strdup( dn );
if( dn_normalize( ndn ) == NULL ) {
Debug( LDAP_DEBUG_ANY, "do_delete: invalid dn (%s)\n", dn, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
goto cleanup;
}
Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d DEL dn=\"%s\"\n",
op->o_connid, op->o_opid, dn, 0, 0 );
/*
* 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 ( (be = select_backend( ndn )) == NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, default_referral, NULL );
goto cleanup;
}
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto cleanup;
}
if ( global_readonly || be->be_readonly ) {
Debug( LDAP_DEBUG_ANY, "do_delete: database is read-only\n",
0, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "directory is read-only", NULL, NULL );
goto cleanup;
}
/* deref suffix alias if appropriate */
ndn = suffix_alias( be, ndn );
/*
* 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 ( be->be_delete ) {
/* do the update here */
#ifndef SLAPD_MULTIMASTER
if ( be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
#endif
{
if ( (*be->be_delete)( be, conn, op, dn, ndn ) == 0 ) {
#ifdef SLAPD_MULTIMASTER
if (be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ))
#endif
{
replog( be, op, dn, NULL );
}
}
#ifndef SLAPD_MULTIMASTER
} else {
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
be->be_update_refs ? be->be_update_refs : default_referral, NULL );
#endif
}
} else {
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "operation not supported within namingContext", NULL, NULL );
}
cleanup:
if( ndn != NULL ) free( ndn );
free( dn );
return rc;
}