openldap/servers/slapd/delete.c
1999-07-27 18:43:30 +00:00

113 lines
3.0 KiB
C

/*
* 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 "slap.h"
int
do_delete(
Connection *conn,
Operation *op
)
{
char *ndn;
Backend *be;
int rc;
Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
if( op->o_bind_in_progress ) {
Debug( LDAP_DEBUG_ANY, "do_delete: SASL bind in progress.\n",
0, 0, 0 );
send_ldap_result( conn, op, LDAP_SASL_BIND_IN_PROGRESS,
NULL, "SASL bind in progress", NULL, NULL );
return LDAP_SASL_BIND_IN_PROGRESS;
}
/*
* Parse the delete request. It looks like this:
*
* DelRequest := DistinguishedName
*/
if ( ber_scanf( op->o_ber, "a", &ndn ) == LBER_ERROR ) {
Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
return -1;
}
if( dn_normalize_case( ndn ) == NULL ) {
Debug( LDAP_DEBUG_ANY, "do_delete: invalid dn (%s)\n", ndn, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
free( ndn );
return rc;
}
if( ( rc = get_ctrls( conn, op, 1 ) ) != LDAP_SUCCESS ) {
free( ndn );
Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
return rc;
}
Debug( LDAP_DEBUG_ARGS, "do_delete: dn (%s)\n", ndn, 0, 0 );
Debug( LDAP_DEBUG_STATS, "DEL dn=\"%s\"\n", ndn, 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 );
free( ndn );
return rc;
}
/* 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 */
if ( be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
{
if ( (*be->be_delete)( be, conn, op, ndn ) == 0 ) {
replog( be, LDAP_REQ_DELETE, ndn, NULL, 0 );
}
} else {
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
be->be_update_refs ? be->be_update_refs : default_referral, NULL );
}
} else {
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "Function not implemented", NULL, NULL );
}
free( ndn );
return rc;
}