mirror/openldap
2
0
Fork 0
mirror of https://git.openldap.org/openldap/openldap.git synced 2024-12-21 03:10:25 +08:00
Code Issues Packages Projects Releases Wiki Activity
42e0d83cb3
openldap/libraries/libldap/result.c
Kurt Zeilenga 42e0d83cb3 Initial revision
1998-08-09 00:43:13 +00:00

837 lines
20 KiB
C
Raw Blame History

/*
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*
* result.c - wait for an ldap result
*/
#ifndef lint
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
#endif
#include <stdio.h>
#include <string.h>
#ifdef MACOS
#include <stdlib.h>
#include <time.h>
#include "macos.h"
#else /* MACOS */
#if defined( DOS ) || defined( _WIN32 )
#include <time.h>
#include "msdos.h"
#ifdef PCNFS
#include <tklib.h>
#include <tk_errno.h>
#include <bios.h>
#endif /* PCNFS */
#ifdef NCSA
#include "externs.h"
#endif /* NCSA */
#else /* DOS */
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/errno.h>
#ifdef _AIX
#include <sys/select.h>
#endif /* _AIX */
#include "portable.h"
#endif /* DOS */
#endif /* MACOS */
#ifdef VMS
#include "ucx_select.h"
#endif
#include "lber.h"
#include "ldap.h"
#include "ldap-int.h"
#ifdef USE_SYSCONF
#include <unistd.h>
#endif /* USE_SYSCONF */
#ifdef NEEDPROTOS
static int ldap_abandoned( LDAP *ld, int msgid );
static int ldap_mark_abandoned( LDAP *ld, int msgid );
static int wait4msg( LDAP *ld, int msgid, int all, struct timeval *timeout,
LDAPMessage **result );
#ifdef LDAP_REFERRALS
static int read1msg( LDAP *ld, int msgid, int all, Sockbuf *sb, LDAPConn *lc,
LDAPMessage **result );
static int build_result_ber( LDAP *ld, BerElement *ber, LDAPRequest *lr );
static void merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr );
#else /* LDAP_REFERRALS */
static int read1msg( LDAP *ld, int msgid, int all, Sockbuf *sb,
LDAPMessage **result );
#endif /* LDAP_REFERRALS */
#if defined( CLDAP ) || !defined( LDAP_REFERRALS )
static int ldap_select1( LDAP *ld, struct timeval *timeout );
#endif
#else /* NEEDPROTOS */
static int ldap_abandoned();
static int ldap_mark_abandoned();
static int wait4msg();
static int read1msg();
#ifdef LDAP_REFERRALS
static int build_result_ber();
static void merge_error_info();
#endif /* LDAP_REFERRALS */
#if defined( CLDAP ) || !defined( LDAP_REFERRALS )
static int ldap_select1();
#endif
#endif /* NEEDPROTOS */
#if !defined( MACOS ) && !defined( DOS )
extern int errno;
#endif
/*
* ldap_result - wait for an ldap result response to a message from the
* ldap server. If msgid is -1, any message will be accepted, otherwise
* ldap_result will wait for a response with msgid. If all is 0 the
* first message with id msgid will be accepted, otherwise, ldap_result
* will wait for all responses with id msgid and then return a pointer to
* the entire list of messages. This is only useful for search responses,
* which can be of two message types (zero or more entries, followed by an
* ldap result). The type of the first message received is returned.
* When waiting, any messages that have been abandoned are discarded.
*
* Example:
* ldap_result( s, msgid, all, timeout, result )
*/
int
ldap_result( LDAP *ld, int msgid, int all, struct timeval *timeout,
LDAPMessage **result )
{
LDAPMessage *lm, *lastlm, *nextlm;
/*
* First, look through the list of responses we have received on
* this association and see if the response we're interested in
* is there. If it is, return it. If not, call wait4msg() to
* wait until it arrives or timeout occurs.
*/
Debug( LDAP_DEBUG_TRACE, "ldap_result\n", 0, 0, 0 );
*result = NULLMSG;
lastlm = NULLMSG;
for ( lm = ld->ld_responses; lm != NULLMSG; lm = nextlm ) {
nextlm = lm->lm_next;
if ( ldap_abandoned( ld, lm->lm_msgid ) ) {
ldap_mark_abandoned( ld, lm->lm_msgid );
if ( lastlm == NULLMSG ) {
ld->ld_responses = lm->lm_next;
} else {
lastlm->lm_next = nextlm;
}
ldap_msgfree( lm );
continue;
}
if ( msgid == LDAP_RES_ANY || lm->lm_msgid == msgid ) {
LDAPMessage *tmp;
if ( all == 0
|| (lm->lm_msgtype != LDAP_RES_SEARCH_RESULT
&& lm->lm_msgtype != LDAP_RES_SEARCH_ENTRY) )
break;
for ( tmp = lm; tmp != NULLMSG; tmp = tmp->lm_chain ) {
if ( tmp->lm_msgtype == LDAP_RES_SEARCH_RESULT )
break;
}
if ( tmp == NULLMSG ) {
return( wait4msg( ld, msgid, all, timeout,
result ) );
}
break;
}
lastlm = lm;
}
if ( lm == NULLMSG ) {
return( wait4msg( ld, msgid, all, timeout, result ) );
}
if ( lastlm == NULLMSG ) {
ld->ld_responses = (all == 0 && lm->lm_chain != NULLMSG
? lm->lm_chain : lm->lm_next);
} else {
lastlm->lm_next = (all == 0 && lm->lm_chain != NULLMSG
? lm->lm_chain : lm->lm_next);
}
if ( all == 0 )
lm->lm_chain = NULLMSG;
lm->lm_next = NULLMSG;
*result = lm;
ld->ld_errno = LDAP_SUCCESS;
return( lm->lm_msgtype );
}
static int
wait4msg( LDAP *ld, int msgid, int all, struct timeval *timeout,
LDAPMessage **result )
{
int rc;
struct timeval tv, *tvp;
long start_time, tmp_time;
#ifdef LDAP_REFERRALS
LDAPConn *lc, *nextlc;
#endif /* LDAP_REFERRALS */
#ifdef LDAP_DEBUG
if ( timeout == NULL ) {
Debug( LDAP_DEBUG_TRACE, "wait4msg (infinite timeout)\n",
0, 0, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "wait4msg (timeout %ld sec, %ld usec)\n",
timeout->tv_sec, timeout->tv_usec, 0 );
}
#endif /* LDAP_DEBUG */
if ( timeout == NULL ) {
tvp = NULL;
} else {
tv = *timeout;
tvp = &tv;
start_time = (long)time( NULL );
}
rc = -2;
while ( rc == -2 ) {
#ifndef LDAP_REFERRALS
/* hack attack */
if ( ld->ld_sb.sb_ber.ber_ptr >= ld->ld_sb.sb_ber.ber_end ) {
rc = ldap_select1( ld, tvp );
#if !defined( MACOS ) && !defined( DOS )
if ( rc == 0 || ( rc == -1 && (( ld->ld_options &
LDAP_OPT_RESTART ) == 0 || errno != EINTR ))) {
#else
if ( rc == -1 || rc == 0 ) {
#endif
ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
LDAP_TIMEOUT);
return( rc );
}
}
if ( rc == -1 ) {
rc = -2; /* select interrupted: loop */
} else {
rc = read1msg( ld, msgid, all, &ld->ld_sb, result );
}
#else /* !LDAP_REFERRALS */
#ifdef LDAP_DEBUG
if ( ldap_debug & LDAP_DEBUG_TRACE ) {
dump_connection( ld, ld->ld_conns, 1 );
dump_requests_and_responses( ld );
}
#endif /* LDAP_DEBUG */
for ( lc = ld->ld_conns; lc != NULL; lc = lc->lconn_next ) {
if ( lc->lconn_sb->sb_ber.ber_ptr <
lc->lconn_sb->sb_ber.ber_end ) {
rc = read1msg( ld, msgid, all, lc->lconn_sb,
lc, result );
break;
}
}
if ( lc == NULL ) {
rc = do_ldap_select( ld, tvp );
#if defined( LDAP_DEBUG ) && !defined( MACOS ) && !defined( DOS )
if ( rc == -1 ) {
Debug( LDAP_DEBUG_TRACE,
"do_ldap_select returned -1: errno %d\n",
errno, 0, 0 );
}
#endif
#if !defined( MACOS ) && !defined( DOS )
if ( rc == 0 || ( rc == -1 && (( ld->ld_options &
LDAP_OPT_RESTART ) == 0 || errno != EINTR ))) {
#else
if ( rc == -1 || rc == 0 ) {
#endif
ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
LDAP_TIMEOUT);
return( rc );
}
if ( rc == -1 ) {
rc = -2; /* select interrupted: loop */
} else {
rc = -2;
for ( lc = ld->ld_conns; rc == -2 && lc != NULL;
lc = nextlc ) {
nextlc = lc->lconn_next;
if ( lc->lconn_status ==
LDAP_CONNST_CONNECTED &&
is_read_ready( ld,
lc->lconn_sb )) {
rc = read1msg( ld, msgid, all,
lc->lconn_sb, lc, result );
}
}
}
}
#endif /* !LDAP_REFERRALS */
if ( rc == -2 && tvp != NULL ) {
tmp_time = (long)time( NULL );
if (( tv.tv_sec -= ( tmp_time - start_time )) <= 0 ) {
rc = 0; /* timed out */
ld->ld_errno = LDAP_TIMEOUT;
break;
}
Debug( LDAP_DEBUG_TRACE, "wait4msg: %ld secs to go\n",
tv.tv_sec, 0, 0 );
start_time = tmp_time;
}
}
return( rc );
}
static int
read1msg( LDAP *ld, int msgid, int all, Sockbuf *sb,
#ifdef LDAP_REFERRALS
LDAPConn *lc,
#endif /* LDAP_REFERRALS */
LDAPMessage **result )
{
BerElement ber;
LDAPMessage *new, *l, *prev, *tmp;
long id;
unsigned long tag, len;
int foundit = 0;
#ifdef LDAP_REFERRALS
LDAPRequest *lr;
BerElement tmpber;
int rc, refer_cnt, hadref, simple_request;
unsigned long lderr;
#endif /* LDAP_REFERRALS */
Debug( LDAP_DEBUG_TRACE, "read1msg\n", 0, 0, 0 );
ber_init( &ber, 0 );
set_ber_options( ld, &ber );
/* get the next message */
if ( (tag = ber_get_next( sb, &len, &ber ))
!= LDAP_TAG_MESSAGE ) {
ld->ld_errno = (tag == LBER_DEFAULT ? LDAP_SERVER_DOWN :
LDAP_LOCAL_ERROR);
return( -1 );
}
/* message id */
if ( ber_get_int( &ber, &id ) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
return( -1 );
}
/* if it's been abandoned, toss it */
if ( ldap_abandoned( ld, (int)id ) ) {
free( ber.ber_buf ); /* gack! */
return( -2 ); /* continue looking */
}
#ifdef LDAP_REFERRALS
if (( lr = find_request_by_msgid( ld, id )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
"no request for response with msgid %ld (tossing)\n",
id, 0, 0 );
free( ber.ber_buf ); /* gack! */
return( -2 ); /* continue looking */
}
Debug( LDAP_DEBUG_TRACE, "got %s msgid %ld, original id %d\n",
( tag == LDAP_RES_SEARCH_ENTRY ) ? "entry" : "result", id,
lr->lr_origid );
id = lr->lr_origid;
#endif /* LDAP_REFERRALS */
/* the message type */
if ( (tag = ber_peek_tag( &ber, &len )) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
return( -1 );
}
#ifdef LDAP_REFERRALS
refer_cnt = 0;
hadref = simple_request = 0;
rc = -2; /* default is to keep looking (no response found) */
lr->lr_res_msgtype = tag;
if ( tag != LDAP_RES_SEARCH_ENTRY ) {
if ( ld->ld_version >= LDAP_VERSION2 &&
( lr->lr_parent != NULL ||
( ld->ld_options & LDAP_OPT_REFERRALS ) != 0 )) {
tmpber = ber; /* struct copy */
if ( ber_scanf( &tmpber, "{iaa}", &lderr,
&lr->lr_res_matched, &lr->lr_res_error )
!= LBER_ERROR ) {
if ( lderr != LDAP_SUCCESS ) {
/* referrals are in error string */
refer_cnt = chase_referrals( ld, lr,
&lr->lr_res_error, &hadref );
}
/* save errno, message, and matched string */
if ( !hadref || lr->lr_res_error == NULL ) {
lr->lr_res_errno = ( lderr ==
LDAP_PARTIAL_RESULTS ) ? LDAP_SUCCESS
: lderr;
} else if ( ld->ld_errno != LDAP_SUCCESS ) {
lr->lr_res_errno = ld->ld_errno;
} else {
lr->lr_res_errno = LDAP_PARTIAL_RESULTS;
}
Debug( LDAP_DEBUG_TRACE,
"new result: res_errno: %d, res_error: <%s>, res_matched: <%s>\n",
lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "",
lr->lr_res_matched ? lr->lr_res_matched : "" );
}
}
Debug( LDAP_DEBUG_TRACE,
"read1msg: %d new referrals\n", refer_cnt, 0, 0 );
if ( refer_cnt != 0 ) { /* chasing referrals */
free( ber.ber_buf ); /* gack! */
ber.ber_buf = NULL;
if ( refer_cnt < 0 ) {
return( -1 ); /* fatal error */
}
lr->lr_status = LDAP_REQST_CHASINGREFS;
} else {
if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
/* request without any referrals */
simple_request = ( hadref ? 0 : 1 );
} else {
/* request with referrals or child request */
free( ber.ber_buf ); /* gack! */
ber.ber_buf = NULL;
}
while ( lr->lr_parent != NULL ) {
merge_error_info( ld, lr->lr_parent, lr );
lr = lr->lr_parent;
if ( --lr->lr_outrefcnt > 0 ) {
break; /* not completely done yet */
}
}
if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
id = lr->lr_msgid;
tag = lr->lr_res_msgtype;
Debug( LDAP_DEBUG_ANY, "request %ld done\n",
id, 0, 0 );
Debug( LDAP_DEBUG_TRACE,
"res_errno: %d, res_error: <%s>, res_matched: <%s>\n",
lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "",
lr->lr_res_matched ? lr->lr_res_matched : "" );
if ( !simple_request ) {
if ( ber.ber_buf != NULL ) {
free( ber.ber_buf ); /* gack! */
ber.ber_buf = NULL;
}
if ( build_result_ber( ld, &ber, lr )
== LBER_ERROR ) {
ld->ld_errno = LDAP_NO_MEMORY;
rc = -1; /* fatal error */
}
}
free_request( ld, lr );
}
if ( lc != NULL ) {
free_connection( ld, lc, 0, 1 );
}
}
}
if ( ber.ber_buf == NULL ) {
return( rc );
}
#endif /* LDAP_REFERRALS */
/* make a new ldap message */
if ( (new = (LDAPMessage *) calloc( 1, sizeof(LDAPMessage) ))
== NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return( -1 );
}
new->lm_msgid = (int)id;
new->lm_msgtype = tag;
new->lm_ber = ber_dup( &ber );
#ifndef NO_CACHE
if ( ld->ld_cache != NULL ) {
add_result_to_cache( ld, new );
}
#endif /* NO_CACHE */
/* is this the one we're looking for? */
if ( msgid == LDAP_RES_ANY || id == msgid ) {
if ( all == 0
|| (new->lm_msgtype != LDAP_RES_SEARCH_RESULT
&& new->lm_msgtype != LDAP_RES_SEARCH_ENTRY) ) {
*result = new;
ld->ld_errno = LDAP_SUCCESS;
return( tag );
} else if ( new->lm_msgtype == LDAP_RES_SEARCH_RESULT) {
foundit = 1; /* return the chain later */
}
}
/*
* if not, we must add it to the list of responses. if
* the msgid is already there, it must be part of an existing
* search response.
*/
prev = NULLMSG;
for ( l = ld->ld_responses; l != NULLMSG; l = l->lm_next ) {
if ( l->lm_msgid == new->lm_msgid )
break;
prev = l;
}
/* not part of an existing search response */
if ( l == NULLMSG ) {
if ( foundit ) {
*result = new;
ld->ld_errno = LDAP_SUCCESS;
return( tag );
}
new->lm_next = ld->ld_responses;
ld->ld_responses = new;
return( -2 ); /* continue looking */
}
Debug( LDAP_DEBUG_TRACE, "adding response id %d type %d:\n",
new->lm_msgid, new->lm_msgtype, 0 );
/* part of a search response - add to end of list of entries */
for ( tmp = l; tmp->lm_chain != NULLMSG &&
tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY;
tmp = tmp->lm_chain )
; /* NULL */
tmp->lm_chain = new;
/* return the whole chain if that's what we were looking for */
if ( foundit ) {
if ( prev == NULLMSG )
ld->ld_responses = l->lm_next;
else
prev->lm_next = l->lm_next;
*result = l;
ld->ld_errno = LDAP_SUCCESS;
return( tag );
}
return( -2 ); /* continue looking */
}
#ifdef LDAP_REFERRALS
static int
build_result_ber( LDAP *ld, BerElement *ber, LDAPRequest *lr )
{
unsigned long len;
long along;
ber_init( ber, 0 );
set_ber_options( ld, ber );
if ( ber_printf( ber, "{it{ess}}", lr->lr_msgid,
(long)lr->lr_res_msgtype, lr->lr_res_errno,
lr->lr_res_matched ? lr->lr_res_matched : "",
lr->lr_res_error ? lr->lr_res_error : "" ) == LBER_ERROR ) {
return( LBER_ERROR );
}
ber_reset( ber, 1 );
if ( ber_skip_tag( ber, &len ) == LBER_ERROR ) {
return( LBER_ERROR );
}
if ( ber_get_int( ber, &along ) == LBER_ERROR ) {
return( LBER_ERROR );
}
return( ber_peek_tag( ber, &len ));
}
static void
merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr )
{
/*
* Merge error information in "lr" with "parentr" error code and string.
*/
if ( lr->lr_res_errno == LDAP_PARTIAL_RESULTS ) {
parentr->lr_res_errno = lr->lr_res_errno;
if ( lr->lr_res_error != NULL ) {
(void)append_referral( ld, &parentr->lr_res_error,
lr->lr_res_error );
}
} else if ( lr->lr_res_errno != LDAP_SUCCESS &&
parentr->lr_res_errno == LDAP_SUCCESS ) {
parentr->lr_res_errno = lr->lr_res_errno;
if ( parentr->lr_res_error != NULL ) {
free( parentr->lr_res_error );
}
parentr->lr_res_error = lr->lr_res_error;
lr->lr_res_error = NULL;
if ( NAME_ERROR( lr->lr_res_errno )) {
if ( parentr->lr_res_matched != NULL ) {
free( parentr->lr_res_matched );
}
parentr->lr_res_matched = lr->lr_res_matched;
lr->lr_res_matched = NULL;
}
}
Debug( LDAP_DEBUG_TRACE, "merged parent (id %d) error info: ",
parentr->lr_msgid, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "result errno %d, error <%s>, matched <%s>\n",
parentr->lr_res_errno, parentr->lr_res_error ?
parentr->lr_res_error : "", parentr->lr_res_matched ?
parentr->lr_res_matched : "" );
}
#endif /* LDAP_REFERRALS */
#if defined( CLDAP ) || !defined( LDAP_REFERRALS )
#if !defined( MACOS ) && !defined( DOS ) && !defined( _WIN32 )
static int
ldap_select1( LDAP *ld, struct timeval *timeout )
{
fd_set readfds;
static int tblsize;
if ( tblsize == 0 ) {
#ifdef USE_SYSCONF
tblsize = sysconf( _SC_OPEN_MAX );
#else /* USE_SYSCONF */
tblsize = getdtablesize();
#endif /* USE_SYSCONF */
}
FD_ZERO( &readfds );
FD_SET( ld->ld_sb.sb_sd, &readfds );
return( select( tblsize, &readfds, 0, 0, timeout ) );
}
#endif /* !MACOS */
#ifdef MACOS
static int
ldap_select1( LDAP *ld, struct timeval *timeout )
{
return( tcpselect( ld->ld_sb.sb_sd, timeout ));
}
#endif /* MACOS */
#if ( defined( DOS ) && defined( WINSOCK )) || defined( _WIN32 )
static int
ldap_select1( LDAP *ld, struct timeval *timeout )
{
fd_set readfds;
int rc;
FD_ZERO( &readfds );
FD_SET( ld->ld_sb.sb_sd, &readfds );
rc = select( 1, &readfds, 0, 0, timeout );
return( rc == SOCKET_ERROR ? -1 : rc );
}
#endif /* WINSOCK || _WIN32 */
#ifdef DOS
#ifdef PCNFS
static int
ldap_select1( LDAP *ld, struct timeval *timeout )
{
fd_set readfds;
int res;
FD_ZERO( &readfds );
FD_SET( ld->ld_sb.sb_sd, &readfds );
res = select( FD_SETSIZE, &readfds, NULL, NULL, timeout );
if ( res == -1 && errno == EINTR) {
/* We've been CTRL-C'ed at this point. It'd be nice to
carry on but PC-NFS currently won't let us! */
printf("\n*** CTRL-C ***\n");
exit(-1);
}
return( res );
}
#endif /* PCNFS */
#ifdef NCSA
static int
ldap_select1( LDAP *ld, struct timeval *timeout )
{
int rc;
clock_t endtime;
if ( timeout != NULL ) {
endtime = timeout->tv_sec * CLK_TCK +
timeout->tv_usec * CLK_TCK / 1000000 + clock();
}
do {
Stask();
rc = netqlen( ld->ld_sb.sb_sd );
} while ( rc <= 0 && ( timeout == NULL || clock() < endtime ));
return( rc > 0 ? 1 : 0 );
}
#endif /* NCSA */
#endif /* DOS */
#endif /* !LDAP_REFERRALS */
int
ldap_msgfree( LDAPMessage *lm )
{
LDAPMessage *next;
int type = 0;
Debug( LDAP_DEBUG_TRACE, "ldap_msgfree\n", 0, 0, 0 );
for ( ; lm != NULLMSG; lm = next ) {
next = lm->lm_chain;
type = lm->lm_msgtype;
ber_free( lm->lm_ber, 1 );
free( (char *) lm );
}
return( type );
}
/*
* ldap_msgdelete - delete a message. It returns:
* 0 if the entire message was deleted
* -1 if the message was not found, or only part of it was found
*/
int
ldap_msgdelete( LDAP *ld, int msgid )
{
LDAPMessage *lm, *prev;
Debug( LDAP_DEBUG_TRACE, "ldap_msgdelete\n", 0, 0, 0 );
prev = NULLMSG;
for ( lm = ld->ld_responses; lm != NULLMSG; lm = lm->lm_next ) {
if ( lm->lm_msgid == msgid )
break;
prev = lm;
}
if ( lm == NULLMSG )
return( -1 );
if ( prev == NULLMSG )
ld->ld_responses = lm->lm_next;
else
prev->lm_next = lm->lm_next;
if ( ldap_msgfree( lm ) == LDAP_RES_SEARCH_ENTRY )
return( -1 );
return( 0 );
}
/*
* return 1 if message msgid is waiting to be abandoned, 0 otherwise
*/
static int
ldap_abandoned( LDAP *ld, int msgid )
{
int i;
if ( ld->ld_abandoned == NULL )
return( 0 );
for ( i = 0; ld->ld_abandoned[i] != -1; i++ )
if ( ld->ld_abandoned[i] == msgid )
return( 1 );
return( 0 );
}
static int
ldap_mark_abandoned( LDAP *ld, int msgid )
{
int i;
if ( ld->ld_abandoned == NULL )
return( -1 );
for ( i = 0; ld->ld_abandoned[i] != -1; i++ )
if ( ld->ld_abandoned[i] == msgid )
break;
if ( ld->ld_abandoned[i] == -1 )
return( -1 );
for ( ; ld->ld_abandoned[i] != -1; i++ ) {
ld->ld_abandoned[i] = ld->ld_abandoned[i + 1];
}
return( 0 );
}
#ifdef CLDAP
int
cldap_getmsg( LDAP *ld, struct timeval *timeout, BerElement *ber )
{
int rc;
unsigned long tag, len;
if ( ld->ld_sb.sb_ber.ber_ptr >= ld->ld_sb.sb_ber.ber_end ) {
rc = ldap_select1( ld, timeout );
if ( rc == -1 || rc == 0 ) {
ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
LDAP_TIMEOUT);
return( rc );
}
}
/* get the next message */
if ( (tag = ber_get_next( &ld->ld_sb, &len, ber ))
!= LDAP_TAG_MESSAGE ) {
ld->ld_errno = (tag == LBER_DEFAULT ? LDAP_SERVER_DOWN :
LDAP_LOCAL_ERROR);
return( -1 );
}
return( tag );
}
#endif /* CLDAP */
Reference in New Issue View Git Blame Copy Permalink