mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
/* $OpenLDAP$ */
|
|
/* cancel.c - LDAP cancel extended operation */
|
|
/*
|
|
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
|
|
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/krb.h>
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
#include <ac/unistd.h>
|
|
|
|
#include "slap.h"
|
|
|
|
#ifdef LDAP_EXOP_X_CANCEL
|
|
|
|
#include <lber_pvt.h>
|
|
#include <lutil.h>
|
|
|
|
int cancel_extop(
|
|
Connection *conn,
|
|
Operation *op,
|
|
struct berval *reqoid,
|
|
struct berval *reqdata,
|
|
char **rspoid,
|
|
struct berval **rspdata,
|
|
LDAPControl ***rspctrls,
|
|
const char **text,
|
|
BerVarray *refs )
|
|
{
|
|
Backend *be;
|
|
int rc;
|
|
int found = 0;
|
|
int opid;
|
|
BerElement *ber;
|
|
int i;
|
|
|
|
assert( reqoid != NULL );
|
|
assert( ber_bvcmp( &slap_EXOP_CANCEL, reqoid ) == 0 );
|
|
|
|
if ( reqdata == NULL ) {
|
|
*text = "no message ID supplied";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
ber = ber_init( reqdata );
|
|
if ( ber == NULL ) {
|
|
*text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
if ( ber_scanf( ber, "{i}", &opid ) == LBER_ERROR ) {
|
|
*text = "message ID parse failed";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
(void) ber_free( ber, 1 );
|
|
|
|
if ( opid < 0 ) {
|
|
*text = "message ID invalid";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
|
LDAP_STAILQ_FOREACH( op, &conn->c_pending_ops, o_next ) {
|
|
if ( op->o_msgid == opid ) {
|
|
LDAP_STAILQ_REMOVE( &conn->c_pending_ops, op, slap_op, o_next );
|
|
slap_op_free( op );
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
if ( found ) return LDAP_SUCCESS;
|
|
|
|
found = 0;
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
|
LDAP_STAILQ_FOREACH( op, &conn->c_ops, o_next ) {
|
|
if ( op->o_msgid == opid ) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( !found ) {
|
|
#ifdef LDAP_SYNC
|
|
for ( i = 0; i < nbackends; i++ ) {
|
|
Backend *be = &backends[i];
|
|
if( !be->be_cancel ) continue;
|
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
if ( be->be_cancel( be, conn, op, opid ) == LDAP_SUCCESS ) {
|
|
return LDAP_SUCCESS;
|
|
} else {
|
|
*text = "message ID not found";
|
|
return LDAP_NO_SUCH_OPERATION;
|
|
}
|
|
}
|
|
#else
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
*text = "message ID not found";
|
|
return LDAP_NO_SUCH_OPERATION;
|
|
#endif
|
|
}
|
|
|
|
if ( op->o_cancel != SLAP_CANCEL_NONE ) {
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
*text = "message ID already being cancelled";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_cancel = SLAP_CANCEL_REQ;
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
while ( op->o_cancel == SLAP_CANCEL_REQ ) {
|
|
ldap_pvt_thread_yield();
|
|
}
|
|
|
|
if ( op->o_cancel == SLAP_CANCEL_ACK ) {
|
|
rc = LDAP_SUCCESS;
|
|
} else {
|
|
rc = op->o_cancel;
|
|
}
|
|
|
|
op->o_cancel = SLAP_CANCEL_DONE;
|
|
|
|
return rc;
|
|
}
|
|
|
|
#endif /* LDAP_EXOP_X_CANCEL */
|