mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-27 03:20:22 +08:00
142 lines
3.9 KiB
C
142 lines
3.9 KiB
C
/* abandon.c - decode and handle an ldap abandon operation */
|
|
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 1998-2020 The OpenLDAP Foundation.
|
|
* 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>.
|
|
*/
|
|
/* Portions 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/socket.h>
|
|
|
|
#include "slap.h"
|
|
|
|
int
|
|
do_abandon( Operation *op, SlapReply *rs )
|
|
{
|
|
ber_int_t id;
|
|
Operation *o;
|
|
const char *msg;
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "%s do_abandon\n",
|
|
op->o_log_prefix );
|
|
|
|
/*
|
|
* Parse the abandon request. It looks like this:
|
|
*
|
|
* AbandonRequest := MessageID
|
|
*/
|
|
|
|
if ( ber_scanf( op->o_ber, "i", &id ) == LBER_ERROR ) {
|
|
Debug( LDAP_DEBUG_ANY, "%s do_abandon: ber_scanf failed\n",
|
|
op->o_log_prefix );
|
|
send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
|
|
return SLAPD_DISCONNECT;
|
|
}
|
|
|
|
Debug( LDAP_DEBUG_STATS, "%s ABANDON msg=%ld\n",
|
|
op->o_log_prefix, (long) id );
|
|
|
|
if( get_ctrls( op, rs, 0 ) != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY, "%s do_abandon: get_ctrls failed\n",
|
|
op->o_log_prefix );
|
|
return rs->sr_err;
|
|
}
|
|
|
|
Debug( LDAP_DEBUG_ARGS, "%s do_abandon: id=%ld\n",
|
|
op->o_log_prefix, (long) id );
|
|
|
|
if( id <= 0 ) {
|
|
Debug( LDAP_DEBUG_ANY, "%s do_abandon: bad msgid %ld\n",
|
|
op->o_log_prefix, (long) id );
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
|
|
|
|
/* Find the operation being abandoned. */
|
|
LDAP_STAILQ_FOREACH( o, &op->o_conn->c_ops, o_next ) {
|
|
if ( o->o_msgid == id ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( o == NULL ) {
|
|
msg = "not found";
|
|
/* The operation is not active. Just discard it if found. */
|
|
LDAP_STAILQ_FOREACH( o, &op->o_conn->c_pending_ops, o_next ) {
|
|
if ( o->o_msgid == id ) {
|
|
msg = "discarded";
|
|
/* FIXME: This traverses c_pending_ops yet again. */
|
|
LDAP_STAILQ_REMOVE( &op->o_conn->c_pending_ops,
|
|
o, Operation, o_next );
|
|
LDAP_STAILQ_NEXT(o, o_next) = NULL;
|
|
op->o_conn->c_n_ops_pending--;
|
|
slap_op_free( o, NULL );
|
|
break;
|
|
}
|
|
}
|
|
|
|
} else if ( o->o_tag == LDAP_REQ_BIND
|
|
|| o->o_tag == LDAP_REQ_UNBIND
|
|
|| o->o_tag == LDAP_REQ_ABANDON ) {
|
|
msg = "cannot be abandoned";
|
|
|
|
#if 0 /* Would break o_abandon used as "suppress response" flag, ITS#6138 */
|
|
} else if ( o->o_abandon ) {
|
|
msg = "already being abandoned";
|
|
#endif
|
|
|
|
} else {
|
|
msg = "found";
|
|
/* Set the o_abandon flag in the to-be-abandoned operation.
|
|
* The backend can periodically check this flag and abort the
|
|
* operation at a convenient time. However it should "send"
|
|
* the response anyway, with result code SLAPD_ABANDON.
|
|
* The functions in result.c will intercept the message.
|
|
*/
|
|
o->o_abandon = 1;
|
|
op->orn_msgid = id;
|
|
op->o_bd = frontendDB;
|
|
rs->sr_err = frontendDB->be_abandon( op, rs );
|
|
}
|
|
|
|
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "%s do_abandon: op=%ld %s\n",
|
|
op->o_log_prefix, (long) id, msg );
|
|
return rs->sr_err;
|
|
}
|
|
|
|
int
|
|
fe_op_abandon( Operation *op, SlapReply *rs )
|
|
{
|
|
LDAP_STAILQ_FOREACH( op->o_bd, &backendDB, be_next ) {
|
|
if ( op->o_bd->be_abandon ) {
|
|
(void)op->o_bd->be_abandon( op, rs );
|
|
}
|
|
}
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|