3 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1990 Regents of the University of Michigan.
11 * This notice applies to changes, created by or for Novell, Inc.,
12 * to preexisting works for which notices appear elsewhere in this file.
14 * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved.
16 * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
17 * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
18 * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
19 * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
20 * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
21 * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
22 * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
23 * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
25 * Modification to OpenLDAP source by Novell, Inc.
26 * April 2000 sfs Add code to process V3 referrals and search results
28 * result.c - wait for an ldap result
33 * LDAPResult ::= SEQUENCE {
34 * resultCode ENUMERATED { ... },
36 * errorMessage LDAPString,
37 * referral Referral OPTIONAL
39 * Referral ::= SEQUENCE OF LDAPURL (one or more)
40 * LDAPURL ::= LDAPString (limited to URL chars)
47 #include <ac/stdlib.h>
50 #include <ac/socket.h>
51 #include <ac/string.h>
53 #include <ac/unistd.h>
58 static int ldap_abandoned LDAP_P(( LDAP *ld, ber_int_t msgid ));
59 static int ldap_mark_abandoned LDAP_P(( LDAP *ld, ber_int_t msgid ));
60 static int wait4msg LDAP_P(( LDAP *ld, ber_int_t msgid, int all, struct timeval *timeout,
61 LDAPMessage **result ));
62 static ber_tag_t try_read1msg LDAP_P(( LDAP *ld, ber_int_t msgid,
63 int all, Sockbuf *sb, LDAPConn *lc, LDAPMessage **result ));
64 static ber_tag_t build_result_ber LDAP_P(( LDAP *ld, BerElement **bp, LDAPRequest *lr ));
65 static void merge_error_info LDAP_P(( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr ));
69 * ldap_result - wait for an ldap result response to a message from the
70 * ldap server. If msgid is -1, any message will be accepted, otherwise
71 * ldap_result will wait for a response with msgid. If all is 0 the
72 * first message with id msgid will be accepted, otherwise, ldap_result
73 * will wait for all responses with id msgid and then return a pointer to
74 * the entire list of messages. This is only useful for search responses,
75 * which can be of two message types (zero or more entries, followed by an
76 * ldap result). The type of the first message received is returned.
77 * When waiting, any messages that have been abandoned are discarded.
80 * ldap_result( s, msgid, all, timeout, result )
87 struct timeval *timeout,
88 LDAPMessage **result )
90 LDAPMessage *lm, *lastlm, *nextlm;
93 assert( result != NULL );
95 Debug( LDAP_DEBUG_TRACE, "ldap_result\n", 0, 0, 0 );
101 if( result == NULL ) {
102 ld->ld_errno = LDAP_PARAM_ERROR;
107 * First, look through the list of responses we have received on
108 * this association and see if the response we're interested in
109 * is there. If it is, return it. If not, call wait4msg() to
110 * wait until it arrives or timeout occurs.
115 for ( lm = ld->ld_responses; lm != NULL; lm = nextlm ) {
116 nextlm = lm->lm_next;
118 if ( ldap_abandoned( ld, lm->lm_msgid ) ) {
119 ldap_mark_abandoned( ld, lm->lm_msgid );
121 if ( lastlm == NULL ) {
122 ld->ld_responses = lm->lm_next;
124 lastlm->lm_next = nextlm;
132 if ( msgid == LDAP_RES_ANY || lm->lm_msgid == msgid ) {
135 if ( all == LDAP_MSG_ONE
136 || (lm->lm_msgtype != LDAP_RES_SEARCH_RESULT
137 && lm->lm_msgtype != LDAP_RES_SEARCH_REFERENCE /* LDAPv3 */
138 && lm->lm_msgtype != LDAP_RES_SEARCH_ENTRY
139 && lm->lm_msgtype != LDAP_RES_EXTENDED_PARTIAL) )
142 for ( tmp = lm; tmp != NULL; tmp = tmp->lm_chain ) {
143 if ( tmp->lm_msgtype == LDAP_RES_SEARCH_RESULT )
156 return( wait4msg( ld, msgid, all, timeout, result ) );
159 if ( lastlm == NULL ) {
160 ld->ld_responses = (all == LDAP_MSG_ONE && lm->lm_chain != NULL
161 ? lm->lm_chain : lm->lm_next);
163 lastlm->lm_next = (all == LDAP_MSG_ONE && lm->lm_chain != NULL
164 ? lm->lm_chain : lm->lm_next);
166 if ( all == LDAP_MSG_ONE && lm->lm_chain != NULL )
168 lm->lm_chain->lm_next = lm->lm_next;
174 ld->ld_errno = LDAP_SUCCESS;
175 return( lm->lm_msgtype );
183 struct timeval *timeout,
184 LDAPMessage **result )
187 struct timeval tv, *tvp;
188 time_t start_time = 0;
190 LDAPConn *lc, *nextlc;
192 assert( ld != NULL );
193 assert( result != NULL );
196 if ( timeout == NULL ) {
197 Debug( LDAP_DEBUG_TRACE, "wait4msg (infinite timeout)\n",
200 Debug( LDAP_DEBUG_TRACE, "wait4msg (timeout %ld sec, %ld usec)\n",
201 (long) timeout->tv_sec, (long) timeout->tv_usec, 0 );
203 #endif /* LDAP_DEBUG */
205 if ( timeout == NULL ) {
210 start_time = time( NULL );
216 if ( ldap_debug & LDAP_DEBUG_TRACE ) {
217 ldap_dump_connection( ld, ld->ld_conns, 1 );
218 ldap_dump_requests_and_responses( ld );
220 #endif /* LDAP_DEBUG */
221 for ( lc = ld->ld_conns; lc != NULL; lc = lc->lconn_next ) {
222 if ( ber_sockbuf_ctrl( lc->lconn_sb,
223 LBER_SB_OPT_DATA_READY, NULL ) ) {
224 rc = try_read1msg( ld, msgid, all, lc->lconn_sb,
231 rc = do_ldap_select( ld, tvp );
236 Debug( LDAP_DEBUG_TRACE,
237 "do_ldap_select returned -1: errno %d\n",
242 if ( rc == 0 || ( rc == -1 && (
243 !LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART)
244 || errno != EINTR )))
246 ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
252 rc = -2; /* select interrupted: loop */
255 for ( lc = ld->ld_conns; rc == -2 && lc != NULL;
257 nextlc = lc->lconn_next;
258 if ( lc->lconn_status ==
259 LDAP_CONNST_CONNECTED &&
260 ldap_is_read_ready( ld,
262 rc = try_read1msg( ld, msgid, all,
263 lc->lconn_sb, lc, result );
269 if ( rc == -2 && tvp != NULL ) {
270 tmp_time = time( NULL );
271 if (( tv.tv_sec -= ( tmp_time - start_time )) <= 0 ) {
272 rc = 0; /* timed out */
273 ld->ld_errno = LDAP_TIMEOUT;
277 Debug( LDAP_DEBUG_TRACE, "wait4msg: %ld secs to go\n",
278 (long) tv.tv_sec, 0, 0 );
279 start_time = tmp_time;
294 LDAPMessage **result )
297 LDAPMessage *new, *l, *prev, *tmp;
302 LDAPRequest *lr, *tmplr;
304 int rc, refer_cnt, hadref, simple_request;
307 * v3ref = flag for V3 referral / search reference
308 * 0 = not a ref, 1 = sucessfully chased ref, -1 = pass ref to application
312 assert( ld != NULL );
313 assert( lc != NULL );
315 Debug( LDAP_DEBUG_TRACE, "read1msg\n", 0, 0, 0 );
317 if ( lc->lconn_ber == NULL ) {
318 lc->lconn_ber = ldap_alloc_ber_with_options(ld);
320 if( lc->lconn_ber == NULL ) {
326 assert( BER_VALID (ber) );
328 /* get the next message */
330 if ( (tag = ber_get_next( sb, &len, ber ))
331 != LDAP_TAG_MESSAGE ) {
332 if ( tag == LBER_DEFAULT) {
334 Debug( LDAP_DEBUG_CONNS,
335 "ber_get_next failed.\n", 0, 0, 0 );
338 if (errno==EWOULDBLOCK) return -2;
341 if (errno == EAGAIN) return -2;
343 ld->ld_errno = LDAP_SERVER_DOWN;
346 ld->ld_errno = LDAP_LOCAL_ERROR;
351 * We read a complete message.
352 * The connection should no longer need this ber.
354 lc->lconn_ber = NULL;
357 if ( ber_get_int( ber, &id ) == LBER_ERROR ) {
359 ld->ld_errno = LDAP_DECODING_ERROR;
363 /* if it's been abandoned, toss it */
364 if ( ldap_abandoned( ld, id ) ) {
366 Debug( LDAP_DEBUG_ANY, "abandoned\n", 0, 0, 0);
367 return( -2 ); /* continue looking */
370 if (( lr = ldap_find_request_by_msgid( ld, id )) == NULL ) {
371 Debug( LDAP_DEBUG_ANY,
372 "no request for response with msgid %ld (tossing)\n",
375 return( -2 ); /* continue looking */
378 /* the message type */
379 if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
380 ld->ld_errno = LDAP_DECODING_ERROR;
385 Debug( LDAP_DEBUG_TRACE, "ldap_read: message type %s msgid %ld, original id %ld\n",
386 ldap_int_msgtype2str( tag ),
387 (long) lr->lr_msgid, (long) lr->lr_origid );
391 hadref = simple_request = 0;
392 rc = -2; /* default is to keep looking (no response found) */
393 lr->lr_res_msgtype = tag;
396 * This code figures out if we are going to chase a
397 * referral / search reference, or pass it back to the application
399 v3ref = 0; /* Assume not a V3 search reference or referral */
400 if( (tag != LDAP_RES_SEARCH_ENTRY) && (ld->ld_version > LDAP_VERSION2) ) {
401 BerElement tmpber = *ber; /* struct copy */
404 if( tag == LDAP_RES_SEARCH_REFERENCE) {
405 /* This is a V3 search reference */
406 /* Assume we do not chase the reference, but pass it to application */
408 if( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ||
409 (lr->lr_parent != NULL) )
411 /* Get the referral list */
412 if ( ber_scanf( &tmpber, "{v}", &refs ) == LBER_ERROR ) {
413 rc = LDAP_DECODING_ERROR;
415 /* Note: refs arrary is freed by ldap_chase_v3referrals */
416 refer_cnt = ldap_chase_v3referrals( ld, lr, refs,
417 &lr->lr_res_error, &hadref );
418 if ( refer_cnt > 0 ) { /* sucessfully chased reference */
419 /* If haven't got end search, set chasing referrals */
420 if( lr->lr_status != LDAP_REQST_COMPLETED) {
421 lr->lr_status = LDAP_REQST_CHASINGREFS;
422 Debug( LDAP_DEBUG_TRACE,
423 "read1msg: search ref chased, mark request chasing refs, id = %d\n",
426 v3ref = 1; /* We sucessfully chased the reference */
431 /* Check for V3 referral */
433 if ( ber_scanf( &tmpber, "{iaa",/*}*/ &lderr,
434 &lr->lr_res_matched, &lr->lr_res_error )
436 /* Check if V3 referral */
437 if( ber_peek_tag( &tmpber, &len) == LDAP_TAG_REFERRAL ) {
438 /* We have a V3 referral, assume we cannot chase it */
440 if( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS)
441 || (lr->lr_parent != NULL) )
443 v3ref = -1; /* Assume referral not chased and return it to app */
444 /* Get the referral list */
445 if( ber_scanf( &tmpber, "{v}", &refs) == LBER_ERROR) {
446 rc = LDAP_DECODING_ERROR;
447 lr->lr_status = LDAP_REQST_COMPLETED;
448 Debug( LDAP_DEBUG_TRACE,
449 "read1msg: referral decode error, mark request completed, id = %d\n",
452 /* Chase the referral
453 * Note: refs arrary is freed by ldap_chase_v3referrals
455 refer_cnt = ldap_chase_v3referrals( ld, lr, refs,
456 &lr->lr_res_error, &hadref );
457 lr->lr_status = LDAP_REQST_COMPLETED;
458 Debug( LDAP_DEBUG_TRACE,
459 "read1msg: referral chased, mark request completed, id = %d\n",
462 v3ref = 1; /* Referral successfully chased */
468 if( lr->lr_res_matched != NULL ) {
469 LDAP_FREE( lr->lr_res_matched );
470 lr->lr_res_matched = NULL;
472 if( lr->lr_res_error != NULL ) {
473 LDAP_FREE( lr->lr_res_error );
474 lr->lr_res_error = NULL;
480 /* All results that just return a status, i.e. don't return data
481 * go through the following code. This code also chases V2 referrals
482 * and checks if all referrals have been chased.
484 if ( (tag != LDAP_RES_SEARCH_ENTRY) && (v3ref > -1) ) {
485 /* For a v3 search referral/reference, only come here if already chased it */
486 if ( ld->ld_version >= LDAP_VERSION2 &&
487 ( lr->lr_parent != NULL ||
488 LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ) )
490 tmpber = *ber; /* struct copy */
492 ; /* V3 search reference or V3 referral sucessfully chased */
494 if ( ber_scanf( &tmpber, "{iaa}", &lderr,
495 &lr->lr_res_matched, &lr->lr_res_error )
497 if ( lderr != LDAP_SUCCESS ) {
498 /* referrals are in error string */
499 refer_cnt = ldap_chase_referrals( ld, lr,
500 &lr->lr_res_error, &hadref );
501 lr->lr_status = LDAP_REQST_COMPLETED;
502 Debug( LDAP_DEBUG_TRACE,
503 "read1msg: V2 referral chased, mark request completed, id = %d\n", lr->lr_msgid, 0, 0);
506 /* save errno, message, and matched string */
507 if ( !hadref || lr->lr_res_error == NULL ) {
508 lr->lr_res_errno = ( lderr ==
509 LDAP_PARTIAL_RESULTS ) ? LDAP_SUCCESS
511 } else if ( ld->ld_errno != LDAP_SUCCESS ) {
512 lr->lr_res_errno = ld->ld_errno;
514 lr->lr_res_errno = LDAP_PARTIAL_RESULTS;
516 Debug( LDAP_DEBUG_TRACE,
517 "new result: res_errno: %d, res_error: <%s>, res_matched: <%s>\n",
518 lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "",
519 lr->lr_res_matched ? lr->lr_res_matched : "" );
523 Debug( LDAP_DEBUG_TRACE,
524 "read1msg: %d new referrals\n", refer_cnt, 0, 0 );
526 if ( refer_cnt != 0 ) { /* chasing referrals */
529 if ( refer_cnt < 0 ) {
530 return( -1 ); /* fatal error */
532 lr->lr_res_errno = LDAP_SUCCESS; /* sucessfully chased referral */
534 if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
535 /* request without any referrals */
536 simple_request = ( hadref ? 0 : 1 );
538 /* request with referrals or child request */
543 lr->lr_status = LDAP_REQST_COMPLETED; /* declare this request done */
544 Debug( LDAP_DEBUG_TRACE,
545 "read1msg: mark request completed, id = %d\n", lr->lr_msgid, 0, 0);
546 while ( lr->lr_parent != NULL ) {
547 merge_error_info( ld, lr->lr_parent, lr );
550 if ( --lr->lr_outrefcnt > 0 ) {
551 break; /* not completely done yet */
555 /* Check if all requests are finished, lr is now parent */
556 for(tmplr=lr ; tmplr != NULL; tmplr=tmplr->lr_refnext) {
557 if( tmplr->lr_status != LDAP_REQST_COMPLETED) {
562 /* This is the parent request if the request has referrals */
563 if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL && tmplr == NULL ) {
565 tag = lr->lr_res_msgtype;
566 Debug( LDAP_DEBUG_ANY, "request %ld done\n",
568 Debug( LDAP_DEBUG_TRACE,
569 "res_errno: %d, res_error: <%s>, res_matched: <%s>\n",
570 lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "",
571 lr->lr_res_matched ? lr->lr_res_matched : "" );
572 if ( !simple_request ) {
575 if ( build_result_ber( ld, &ber, lr )
577 rc = -1; /* fatal error */
581 ldap_free_request( ld, lr );
585 ldap_free_connection( ld, lc, 0, 1 );
594 /* make a new ldap message */
595 if ( (new = (LDAPMessage *) LDAP_CALLOC( 1, sizeof(LDAPMessage) ))
597 ld->ld_errno = LDAP_NO_MEMORY;
600 new->lm_msgid = (int)id;
601 new->lm_msgtype = tag;
605 if ( ld->ld_cache != NULL ) {
606 ldap_add_result_to_cache( ld, new );
608 #endif /* LDAP_NOCACHE */
610 /* is this the one we're looking for? */
611 if ( msgid == LDAP_RES_ANY || id == msgid ) {
612 if ( all == LDAP_MSG_ONE
613 || (new->lm_msgtype != LDAP_RES_SEARCH_RESULT
614 && new->lm_msgtype != LDAP_RES_SEARCH_ENTRY
615 && new->lm_msgtype != LDAP_RES_SEARCH_REFERENCE) ) {
617 ld->ld_errno = LDAP_SUCCESS;
619 } else if ( new->lm_msgtype == LDAP_RES_SEARCH_RESULT) {
620 foundit = 1; /* return the chain later */
625 * if not, we must add it to the list of responses. if
626 * the msgid is already there, it must be part of an existing
631 for ( l = ld->ld_responses; l != NULL; l = l->lm_next ) {
632 if ( l->lm_msgid == new->lm_msgid )
637 /* not part of an existing search response */
641 ld->ld_errno = LDAP_SUCCESS;
645 new->lm_next = ld->ld_responses;
646 ld->ld_responses = new;
647 return( -2 ); /* continue looking */
650 Debug( LDAP_DEBUG_TRACE, "adding response id %ld type %ld:\n",
651 (long) new->lm_msgid, (long) new->lm_msgtype, 0 );
653 /* part of a search response - add to end of list of entries */
654 for ( tmp = l; (tmp->lm_chain != NULL) &&
655 ((tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY) ||
656 (tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE) ||
657 (tmp->lm_chain->lm_msgtype == LDAP_RES_EXTENDED_PARTIAL ));
658 tmp = tmp->lm_chain )
662 /* return the whole chain if that's what we were looking for */
665 ld->ld_responses = l->lm_next;
667 prev->lm_next = l->lm_next;
669 ld->ld_errno = LDAP_SUCCESS;
670 #ifdef LDAP_WORLD_P16
672 * XXX questionable fix; see text for [P16] on
673 * http://www.critical-angle.com/ldapworld/patch/
675 * inclusion of this patch causes searchs to hang on
678 return( l->lm_msgtype );
679 #else /* LDAP_WORLD_P16 */
681 #endif /* !LDAP_WORLD_P16 */
684 return( -2 ); /* continue looking */
689 build_result_ber( LDAP *ld, BerElement **bp, LDAPRequest *lr )
697 ber = ldap_alloc_ber_with_options( ld );
700 ld->ld_errno = LDAP_NO_MEMORY;
704 if ( ber_printf( ber, "{it{ess}}", lr->lr_msgid,
705 lr->lr_res_msgtype, lr->lr_res_errno,
706 lr->lr_res_matched ? lr->lr_res_matched : "",
707 lr->lr_res_error ? lr->lr_res_error : "" ) == -1 ) {
709 ld->ld_errno = LDAP_ENCODING_ERROR;
711 return( LBER_ERROR );
716 if ( ber_skip_tag( ber, &len ) == LBER_ERROR ) {
717 ld->ld_errno = LDAP_DECODING_ERROR;
719 return( LBER_ERROR );
722 if ( ber_get_int( ber, &along ) == LBER_ERROR ) {
723 ld->ld_errno = LDAP_DECODING_ERROR;
725 return( LBER_ERROR );
728 tag = ber_peek_tag( ber, &len );
730 if ( tag == LBER_ERROR ) {
731 ld->ld_errno = LDAP_DECODING_ERROR;
733 return( LBER_ERROR );
742 merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr )
745 * Merge error information in "lr" with "parentr" error code and string.
747 if ( lr->lr_res_errno == LDAP_PARTIAL_RESULTS ) {
748 parentr->lr_res_errno = lr->lr_res_errno;
749 if ( lr->lr_res_error != NULL ) {
750 (void)ldap_append_referral( ld, &parentr->lr_res_error,
753 } else if ( lr->lr_res_errno != LDAP_SUCCESS &&
754 parentr->lr_res_errno == LDAP_SUCCESS ) {
755 parentr->lr_res_errno = lr->lr_res_errno;
756 if ( parentr->lr_res_error != NULL ) {
757 LDAP_FREE( parentr->lr_res_error );
759 parentr->lr_res_error = lr->lr_res_error;
760 lr->lr_res_error = NULL;
761 if ( LDAP_NAME_ERROR( lr->lr_res_errno )) {
762 if ( parentr->lr_res_matched != NULL ) {
763 LDAP_FREE( parentr->lr_res_matched );
765 parentr->lr_res_matched = lr->lr_res_matched;
766 lr->lr_res_matched = NULL;
770 Debug( LDAP_DEBUG_TRACE, "merged parent (id %d) error info: ",
771 parentr->lr_msgid, 0, 0 );
772 Debug( LDAP_DEBUG_TRACE, "result errno %d, error <%s>, matched <%s>\n",
773 parentr->lr_res_errno, parentr->lr_res_error ?
774 parentr->lr_res_error : "", parentr->lr_res_matched ?
775 parentr->lr_res_matched : "" );
781 ldap_msgtype( LDAPMessage *lm )
783 assert( lm != NULL );
784 return ( lm != NULL ) ? lm->lm_msgtype : -1;
789 ldap_msgid( LDAPMessage *lm )
791 assert( lm != NULL );
793 return ( lm != NULL ) ? lm->lm_msgid : -1;
797 char * ldap_int_msgtype2str( ber_tag_t tag )
800 case LDAP_RES_ADD: return "add";
801 case LDAP_RES_BIND: return "bind";
802 case LDAP_RES_COMPARE: return "compare";
803 case LDAP_RES_DELETE: return "delete";
804 case LDAP_RES_EXTENDED: return "extended-result";
805 case LDAP_RES_EXTENDED_PARTIAL: return "extended-partial";
806 case LDAP_RES_MODIFY: return "modify";
807 case LDAP_RES_RENAME: return "rename";
808 case LDAP_RES_SEARCH_ENTRY: return "search-entry";
809 case LDAP_RES_SEARCH_REFERENCE: return "search-reference";
810 case LDAP_RES_SEARCH_RESULT: return "search-result";
816 ldap_msgfree( LDAPMessage *lm )
821 assert( lm != NULL );
823 Debug( LDAP_DEBUG_TRACE, "ldap_msgfree\n", 0, 0, 0 );
825 for ( ; lm != NULL; lm = next ) {
827 type = lm->lm_msgtype;
828 ber_free( lm->lm_ber, 1 );
829 LDAP_FREE( (char *) lm );
836 * ldap_msgdelete - delete a message. It returns:
837 * 0 if the entire message was deleted
838 * -1 if the message was not found, or only part of it was found
841 ldap_msgdelete( LDAP *ld, int msgid )
843 LDAPMessage *lm, *prev;
845 assert( ld != NULL );
847 Debug( LDAP_DEBUG_TRACE, "ldap_msgdelete\n", 0, 0, 0 );
850 for ( lm = ld->ld_responses; lm != NULL; lm = lm->lm_next ) {
851 if ( lm->lm_msgid == msgid )
860 ld->ld_responses = lm->lm_next;
862 prev->lm_next = lm->lm_next;
864 if ( ldap_msgfree( lm ) == LDAP_RES_SEARCH_ENTRY )
872 * return 1 if message msgid is waiting to be abandoned, 0 otherwise
875 ldap_abandoned( LDAP *ld, ber_int_t msgid )
879 if ( ld->ld_abandoned == NULL )
882 for ( i = 0; ld->ld_abandoned[i] != -1; i++ )
883 if ( ld->ld_abandoned[i] == msgid )
891 ldap_mark_abandoned( LDAP *ld, ber_int_t msgid )
895 if ( ld->ld_abandoned == NULL )
898 for ( i = 0; ld->ld_abandoned[i] != -1; i++ )
899 if ( ld->ld_abandoned[i] == msgid )
902 if ( ld->ld_abandoned[i] == -1 )
905 for ( ; ld->ld_abandoned[i] != -1; i++ ) {
906 ld->ld_abandoned[i] = ld->ld_abandoned[i + 1];
913 #ifdef LDAP_CONNECTIONLESS
915 cldap_getmsg( LDAP *ld, struct timeval *timeout, BerElement *ber )
922 ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
923 if ( sd != AC_SOCKET_INVALID ) {
924 /* restored from ldap_select1() in result.c version 1.24 */
926 if ( ldap_int_tblsize == 0 )
929 FD_SET( sd, &readfds );
930 rc = select( ldap_int_tblsize, &readfds, 0, 0, timeout );
932 if ( rc == -1 || rc == 0 ) {
933 ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
939 /* get the next message */
940 if ( (tag = ber_get_next( ld->ld_sb, &len, ber ))
941 != LDAP_TAG_MESSAGE ) {
942 ld->ld_errno = (tag == LBER_DEFAULT ? LDAP_SERVER_DOWN :
949 #endif /* LDAP_CONNECTIONLESS */