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/* $OpenLDAP: pkg/ldap/libraries/libldap/abandon.c,v 1.15.6.9 2002/01/04 20:38:19 kurt Exp $ */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* Portions
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*
* abandon.c
*/
/*
* An abandon request looks like this:
* AbandonRequest ::= MessageID
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "ldap-int.h"
static int do_abandon LDAP_P((
LDAP *ld,
ber_int_t origid,
ber_int_t msgid,
LDAPControl **sctrls,
LDAPControl **cctrls));
/*
* ldap_abandon_ext - perform an ldap extended abandon operation.
*
* Parameters:
* ld LDAP descriptor
* msgid The message id of the operation to abandon
* scntrls Server Controls
* ccntrls Client Controls
*
* ldap_abandon_ext returns a LDAP error code.
* (LDAP_SUCCESS if everything went ok)
*
* Example:
* ldap_abandon_ext( ld, msgid, scntrls, ccntrls );
*/
int
ldap_abandon_ext(
LDAP *ld,
int msgid,
LDAPControl **sctrls,
LDAPControl **cctrls )
{
int rc;
Debug( LDAP_DEBUG_TRACE, "ldap_abandon_ext %d\n", msgid, 0, 0 );
/* check client controls */
rc = ldap_int_client_controls( ld, cctrls );
if( rc != LDAP_SUCCESS ) return rc;
return do_abandon( ld, msgid, msgid, sctrls, cctrls );
}
/*
* ldap_abandon - perform an ldap abandon operation. Parameters:
*
* ld LDAP descriptor
* msgid The message id of the operation to abandon
*
* ldap_abandon returns 0 if everything went ok, -1 otherwise.
*
* Example:
* ldap_abandon( ld, msgid );
*/
int
ldap_abandon( LDAP *ld, int msgid )
{
Debug( LDAP_DEBUG_TRACE, "ldap_abandon %d\n", msgid, 0, 0 );
return ldap_abandon_ext( ld, msgid, NULL, NULL ) == LDAP_SUCCESS
? 0 : -1;
}
static int
do_abandon(
LDAP *ld,
ber_int_t origid,
ber_int_t msgid,
LDAPControl **sctrls,
LDAPControl **cctrls)
{
BerElement *ber;
int i, err, sendabandon;
ber_int_t *old_abandon;
Sockbuf *sb;
LDAPRequest *lr;
Debug( LDAP_DEBUG_TRACE, "do_abandon origid %d, msgid %d\n",
origid, msgid, 0 );
sendabandon = 1;
/* find the request that we are abandoning */
for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
if ( lr->lr_msgid == msgid ) { /* this message */
break;
}
if ( lr->lr_origid == msgid ) {/* child: abandon it */
(void) do_abandon( ld,
msgid, lr->lr_msgid, sctrls, cctrls );
}
}
if ( lr != NULL ) {
if ( origid == msgid && lr->lr_parent != NULL ) {
/* don't let caller abandon child requests! */
ld->ld_errno = LDAP_PARAM_ERROR;
return( LDAP_PARAM_ERROR );
}
if ( lr->lr_status != LDAP_REQST_INPROGRESS ) {
/* no need to send abandon message */
sendabandon = 0;
}
}
if ( ldap_msgdelete( ld, msgid ) == 0 ) {
ld->ld_errno = LDAP_SUCCESS;
return LDAP_SUCCESS;
}
err = 0;
if ( sendabandon ) {
if( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
/* not connected */
err = -1;
ld->ld_errno = LDAP_SERVER_DOWN;
} else if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
/* BER element alocation failed */
err = -1;
ld->ld_errno = LDAP_NO_MEMORY;
} else {
/* create a message to send */
err = ber_printf( ber, "{iti", /* '}' */
++ld->ld_msgid,
LDAP_REQ_ABANDON, msgid );
if( err == -1 ) {
/* encoding error */
ld->ld_errno = LDAP_ENCODING_ERROR;
} else {
/* Put Server Controls */
if ( ldap_int_put_controls( ld, sctrls, ber )
!= LDAP_SUCCESS )
{
err = -1;
} else {
/* close '{' */
err = ber_printf( ber, /*{*/ "N}" );
if( err == -1 ) {
/* encoding error */
ld->ld_errno = LDAP_ENCODING_ERROR;
}
}
}
if ( err == -1 ) {
ber_free( ber, 1 );
} else {
/* send the message */
if ( lr != NULL ) {
sb = lr->lr_conn->lconn_sb;
} else {
sb = ld->ld_sb;
}
if ( ber_flush( sb, ber, 1 ) != 0 ) {
ld->ld_errno = LDAP_SERVER_DOWN;
err = -1;
} else {
err = 0;
}
}
}
}
if ( lr != NULL ) {
if ( sendabandon ) {
ldap_free_connection( ld, lr->lr_conn, 0, 1 );
}
if ( origid == msgid ) {
ldap_free_request( ld, lr );
}
}
i = 0;
if ( ld->ld_abandoned != NULL ) {
for ( ; ld->ld_abandoned[i] != -1; i++ )
; /* NULL */
}
old_abandon = ld->ld_abandoned;
ld->ld_abandoned = (ber_int_t *) LDAP_REALLOC( (char *)
ld->ld_abandoned, (i + 2) * sizeof(ber_int_t) );
if ( ld->ld_abandoned == NULL ) {
ld->ld_abandoned = old_abandon;
ld->ld_errno = LDAP_NO_MEMORY;
return( ld->ld_errno );
}
ld->ld_abandoned[i] = msgid;
ld->ld_abandoned[i + 1] = -1;
if ( err != -1 ) {
ld->ld_errno = LDAP_SUCCESS;
}
return( ld->ld_errno );
}
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