2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2011 The OpenLDAP Foundation.
5 * Portions Copyright 2001-2003 Pierangelo Masarati.
6 * Portions Copyright 1999-2003 Howard Chu.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was initially developed by the Howard Chu for inclusion
19 * in OpenLDAP Software and subsequently enhanced by Pierangelo
28 #include <ac/socket.h>
29 #include <ac/string.h>
34 #include "../back-ldap/back-ldap.h"
35 #include "back-meta.h"
36 #undef ldap_debug /* silence a warning in ldap-int.h */
37 #include "../../../libraries/libldap/ldap-int.h"
39 #include "lutil_ldap.h"
42 meta_back_proxy_authz_bind(
47 ldap_back_send_t sendok );
50 meta_back_single_bind(
57 meta_back_bind( Operation *op, SlapReply *rs )
59 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
60 metaconn_t *mc = NULL;
67 SlapReply *candidates;
69 rs->sr_err = LDAP_SUCCESS;
71 Debug( LDAP_DEBUG_ARGS, "%s meta_back_bind: dn=\"%s\".\n",
72 op->o_log_prefix, op->o_req_dn.bv_val, 0 );
74 /* the test on the bind method should be superfluous */
75 switch ( be_rootdn_bind( op, rs ) ) {
77 if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) {
78 /* frontend will return success */
85 case SLAP_CB_CONTINUE:
89 /* be_rootdn_bind() sent result */
93 /* we need meta_back_getconn() not send result even on error,
94 * because we want to intercept the error and make it
95 * invalidCredentials */
96 mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_BIND_DONTSEND );
98 if ( LogTest( LDAP_DEBUG_ANY ) ) {
99 char buf[ SLAP_TEXT_BUFLEN ];
101 snprintf( buf, sizeof( buf ),
102 "meta_back_bind: no target "
103 "for dn \"%s\" (%d%s%s).",
104 op->o_req_dn.bv_val, rs->sr_err,
105 rs->sr_text ? ". " : "",
106 rs->sr_text ? rs->sr_text : "" );
107 Debug( LDAP_DEBUG_ANY,
109 op->o_log_prefix, buf, 0 );
112 /* FIXME: there might be cases where we don't want
113 * to map the error onto invalidCredentials */
114 switch ( rs->sr_err ) {
115 case LDAP_NO_SUCH_OBJECT:
116 case LDAP_UNWILLING_TO_PERFORM:
117 rs->sr_err = LDAP_INVALID_CREDENTIALS;
121 send_ldap_result( op, rs );
125 candidates = meta_back_candidates_get( op );
128 * Each target is scanned ...
130 mc->mc_authz_target = META_BOUND_NONE;
131 for ( i = 0; i < mi->mi_ntargets; i++ ) {
132 metatarget_t *mt = mi->mi_targets[ i ];
136 * Skip non-candidates
138 if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
143 /* set rc to LDAP_SUCCESS only if at least
144 * one candidate has been tried */
148 } else if ( !isroot ) {
150 * A bind operation is expected to have
151 * ONE CANDIDATE ONLY!
153 Debug( LDAP_DEBUG_ANY,
154 "### %s meta_back_bind: more than one"
155 " candidate selected...\n",
156 op->o_log_prefix, 0, 0 );
160 if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE
161 || BER_BVISNULL( &mt->mt_idassert_authcDN ) )
163 metasingleconn_t *msc = &mc->mc_conns[ i ];
165 /* skip the target if no pseudorootdn is provided */
166 if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
167 ch_free( msc->msc_bound_ndn.bv_val );
168 BER_BVZERO( &msc->msc_bound_ndn );
171 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
172 /* destroy sensitive data */
173 memset( msc->msc_cred.bv_val, 0,
174 msc->msc_cred.bv_len );
175 ch_free( msc->msc_cred.bv_val );
176 BER_BVZERO( &msc->msc_cred );
183 (void)meta_back_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND );
187 lerr = meta_back_single_bind( op, rs, mc, i );
190 if ( lerr != LDAP_SUCCESS ) {
191 rc = rs->sr_err = lerr;
193 /* FIXME: in some cases (e.g. unavailable)
194 * do not assume it's not candidate; rather
195 * mark this as an error to be eventually
196 * reported to client */
197 META_CANDIDATE_CLEAR( &candidates[ i ] );
202 /* must re-insert if local DN changed as result of bind */
203 if ( rc == LDAP_SUCCESS ) {
205 mc->mc_authz_target = META_BOUND_ALL;
208 if ( !LDAP_BACK_PCONN_ISPRIV( mc )
209 && !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) )
213 /* wait for all other ops to release the connection */
214 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
215 assert( mc->mc_refcnt == 1 );
216 #if META_BACK_PRINT_CONNTREE > 0
217 meta_back_print_conntree( mi, ">>> meta_back_bind" );
218 #endif /* META_BACK_PRINT_CONNTREE */
220 /* delete all cached connections with the current connection */
221 if ( LDAP_BACK_SINGLECONN( mi ) ) {
224 while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL )
226 assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
227 Debug( LDAP_DEBUG_TRACE,
228 "=>meta_back_bind: destroying conn %lu (refcnt=%u)\n",
229 mc->mc_conn->c_connid, mc->mc_refcnt, 0 );
231 if ( tmpmc->mc_refcnt != 0 ) {
233 LDAP_BACK_CONN_TAINTED_SET( tmpmc );
237 * Needs a test because the handler may be corrupted,
238 * and calling ldap_unbind on a corrupted header results
239 * in a segmentation fault
241 meta_back_conn_free( tmpmc );
246 ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
247 lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
248 meta_back_conndn_cmp, meta_back_conndn_dup );
249 #if META_BACK_PRINT_CONNTREE > 0
250 meta_back_print_conntree( mi, "<<< meta_back_bind" );
251 #endif /* META_BACK_PRINT_CONNTREE */
254 /* NOTE: a connection cannot be privileged
255 * and be in the avl tree at the same time
258 LDAP_BACK_CONN_ISPRIV_SET( mc );
259 LDAP_BACK_PCONN_SET( mc, op );
262 LDAP_BACK_CONN_CACHED_SET( mc );
265 LDAP_BACK_CONN_CACHED_CLEAR( mc );
267 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
272 meta_back_release_conn( mi, mc );
276 * rc is LDAP_SUCCESS if at least one bind succeeded,
277 * err is the last error that occurred during a bind;
278 * if at least (and at most?) one bind succeeds, fine.
280 if ( rc != LDAP_SUCCESS ) {
283 * deal with bind failure ...
287 * no target was found within the naming context,
288 * so bind must fail with invalid credentials
290 if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
291 rs->sr_err = LDAP_INVALID_CREDENTIALS;
293 rs->sr_err = slap_map_api2result( rs );
295 send_ldap_result( op, rs );
304 meta_back_bind_op_result(
310 ldap_back_send_t sendok )
312 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
313 metatarget_t *mt = mi->mi_targets[ candidate ];
314 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
318 int nretries = mt->mt_nretries;
319 char buf[ SLAP_TEXT_BUFLEN ];
321 Debug( LDAP_DEBUG_TRACE,
322 ">>> %s meta_back_bind_op_result[%d]\n",
323 op->o_log_prefix, candidate, 0 );
325 /* make sure this is clean */
326 assert( rs->sr_ctrls == NULL );
328 if ( rs->sr_err == LDAP_SUCCESS ) {
329 time_t stoptime = (time_t)(-1),
331 int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
332 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
333 const char *timeout_text = "Operation timed out";
334 slap_op_t opidx = slap_req2op( op->o_tag );
336 /* since timeout is not specified, compute and use
337 * the one specific to the ongoing operation */
338 if ( opidx == LDAP_REQ_SEARCH ) {
339 if ( op->ors_tlimit <= 0 ) {
343 timeout = op->ors_tlimit;
344 timeout_err = LDAP_TIMELIMIT_EXCEEDED;
349 timeout = mt->mt_timeout[ opidx ];
352 /* better than nothing :) */
353 if ( timeout == 0 ) {
354 if ( mi->mi_idle_timeout ) {
355 timeout = mi->mi_idle_timeout;
357 } else if ( mi->mi_conn_ttl ) {
358 timeout = mi->mi_conn_ttl;
363 stoptime = op->o_time + timeout;
366 LDAP_BACK_TV_SET( &tv );
372 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
375 if ( nretries != META_RETRY_NEVER
376 || ( timeout && slap_get_time() <= stoptime ) )
378 ldap_pvt_thread_yield();
379 if ( nretries > 0 ) {
382 tv = mt->mt_bind_timeout;
386 /* don't let anyone else use this handler,
387 * because there's a pending bind that will not
389 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
390 assert( LDAP_BACK_CONN_BINDING( msc ) );
393 Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind_op_result ldap_unbind_ext[%d] ld=%p\n",
394 op->o_log_prefix, candidate, (void *)msc->msc_ld );
395 #endif /* DEBUG_205 */
397 meta_clear_one_candidate( op, mc, candidate );
398 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
400 rs->sr_err = timeout_err;
401 rs->sr_text = timeout_text;
405 ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER,
408 snprintf( buf, sizeof( buf ),
409 "err=%d (%s) nretries=%d",
410 rs->sr_err, ldap_err2string( rs->sr_err ), nretries );
411 Debug( LDAP_DEBUG_ANY,
412 "### %s meta_back_bind_op_result[%d]: %s.\n",
413 op->o_log_prefix, candidate, buf );
417 /* only touch when activity actually took place... */
418 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
419 msc->msc_time = op->o_time;
422 /* FIXME: matched? referrals? response controls? */
423 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
424 NULL, NULL, NULL, NULL, 1 );
425 if ( rc != LDAP_SUCCESS ) {
428 rs->sr_err = slap_map_api2result( rs );
433 rs->sr_err = slap_map_api2result( rs );
435 Debug( LDAP_DEBUG_TRACE,
436 "<<< %s meta_back_bind_op_result[%d] err=%d\n",
437 op->o_log_prefix, candidate, rs->sr_err );
443 * meta_back_single_bind
445 * attempts to perform a bind with creds
448 meta_back_single_bind(
454 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
455 metatarget_t *mt = mi->mi_targets[ candidate ];
456 struct berval mdn = BER_BVNULL;
457 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
460 struct berval save_o_dn;
461 int save_o_do_not_cache;
462 LDAPControl **ctrls = NULL;
464 if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
465 ch_free( msc->msc_bound_ndn.bv_val );
466 BER_BVZERO( &msc->msc_bound_ndn );
469 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
470 /* destroy sensitive data */
471 memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
472 ch_free( msc->msc_cred.bv_val );
473 BER_BVZERO( &msc->msc_cred );
477 * Rewrite the bind dn if needed
480 dc.conn = op->o_conn;
484 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
485 rs->sr_text = "DN rewrite error";
486 rs->sr_err = LDAP_OTHER;
490 /* don't add proxyAuthz; set the bindDN */
491 save_o_dn = op->o_dn;
492 save_o_do_not_cache = op->o_do_not_cache;
493 op->o_do_not_cache = 1;
494 op->o_dn = op->o_req_dn;
497 rs->sr_err = meta_back_controls_add( op, rs, mc, candidate, &ctrls );
498 op->o_dn = save_o_dn;
499 op->o_do_not_cache = save_o_do_not_cache;
500 if ( rs->sr_err != LDAP_SUCCESS ) {
504 /* FIXME: this fixes the bind problem right now; we need
505 * to use the asynchronous version to get the "matched"
506 * and more in case of failure ... */
507 /* FIXME: should we check if at least some of the op->o_ctrls
508 * can/should be passed? */
510 rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
511 LDAP_SASL_SIMPLE, &op->orb_cred,
512 ctrls, NULL, &msgid );
513 if ( rs->sr_err != LDAP_X_CONNECTING ) {
516 ldap_pvt_thread_yield();
519 mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
521 meta_back_bind_op_result( op, rs, mc, candidate, msgid, LDAP_BACK_DONTSEND );
522 if ( rs->sr_err != LDAP_SUCCESS ) {
526 /* If defined, proxyAuthz will be used also when
527 * back-ldap is the authorizing backend; for this
528 * purpose, a successful bind is followed by a
529 * bind with the configured identity assertion */
530 /* NOTE: use with care */
531 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
532 meta_back_proxy_authz_bind( mc, candidate, op, rs, LDAP_BACK_SENDERR );
533 if ( !LDAP_BACK_CONN_ISBOUND( msc ) ) {
539 ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_ndn );
540 LDAP_BACK_CONN_ISBOUND_SET( msc );
541 mc->mc_authz_target = candidate;
543 if ( META_BACK_TGT_SAVECRED( mt ) ) {
544 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
545 memset( msc->msc_cred.bv_val, 0,
546 msc->msc_cred.bv_len );
548 ber_bvreplace( &msc->msc_cred, &op->orb_cred );
549 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
553 if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
554 && !BER_BVISEMPTY( &op->o_req_ndn ) )
556 ( void )meta_dncache_update_entry( &mi->mi_cache,
557 &op->o_req_ndn, candidate );
561 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
565 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
566 meta_back_quarantine( op, rs, candidate );
573 * meta_back_single_dobind
576 meta_back_single_dobind(
581 ldap_back_send_t sendok,
585 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
586 metatarget_t *mt = mi->mi_targets[ candidate ];
587 metaconn_t *mc = *mcp;
588 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
591 assert( !LDAP_BACK_CONN_ISBOUND( msc ) );
593 /* NOTE: this obsoletes pseudorootdn */
594 if ( op->o_conn != NULL &&
595 !op->o_do_not_cache &&
596 ( BER_BVISNULL( &msc->msc_bound_ndn ) ||
597 BER_BVISEMPTY( &msc->msc_bound_ndn ) ||
598 ( LDAP_BACK_CONN_ISPRIV( mc ) && dn_match( &msc->msc_bound_ndn, &mt->mt_idassert_authcDN ) ) ||
599 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) )
601 (void)meta_back_proxy_authz_bind( mc, candidate, op, rs, sendok );
605 struct berval cred = BER_BVC( "" );
607 /* use credentials if available */
608 if ( !BER_BVISNULL( &msc->msc_bound_ndn )
609 && !BER_BVISNULL( &msc->msc_cred ) )
611 binddn = msc->msc_bound_ndn.bv_val;
612 cred = msc->msc_cred;
615 /* FIXME: should we check if at least some of the op->o_ctrls
616 * can/should be passed? */
618 rs->sr_err = ldap_sasl_bind( msc->msc_ld,
619 binddn, LDAP_SASL_SIMPLE, &cred,
620 NULL, NULL, &msgid );
621 if ( rs->sr_err != LDAP_X_CONNECTING ) {
624 ldap_pvt_thread_yield();
627 rs->sr_err = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
629 /* if bind succeeded, but anonymous, clear msc_bound_ndn */
630 if ( rs->sr_err != LDAP_SUCCESS || binddn[0] == '\0' ) {
631 if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
632 ber_memfree( msc->msc_bound_ndn.bv_val );
633 BER_BVZERO( &msc->msc_bound_ndn );
636 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
637 memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
638 ber_memfree( msc->msc_cred.bv_val );
639 BER_BVZERO( &msc->msc_cred );
644 if ( rs->sr_err != LDAP_SUCCESS ) {
646 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
648 LDAP_BACK_CONN_BINDING_CLEAR( msc );
649 if ( META_BACK_ONERR_STOP( mi ) ) {
650 LDAP_BACK_CONN_TAINTED_SET( mc );
651 meta_back_release_conn_lock( mi, mc, 0 );
655 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
659 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
660 meta_back_quarantine( op, rs, candidate );
674 ldap_back_send_t sendok )
676 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
682 SlapReply *candidates;
684 if ( be_isroot( op ) ) {
688 if ( LogTest( LDAP_DEBUG_TRACE ) ) {
689 char buf[STRLENOF("4294967295U") + 1] = { 0 };
690 mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );
692 Debug( LDAP_DEBUG_TRACE,
693 "%s meta_back_dobind: conn=%s%s\n",
694 op->o_log_prefix, buf,
695 isroot ? " (isroot)" : "" );
699 * all the targets are bound as pseudoroot
701 if ( mc->mc_authz_target == META_BOUND_ALL ) {
706 candidates = meta_back_candidates_get( op );
708 for ( i = 0; i < mi->mi_ntargets; i++ ) {
709 metatarget_t *mt = mi->mi_targets[ i ];
710 metasingleconn_t *msc = &mc->mc_conns[ i ];
716 if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
720 assert( msc->msc_ld != NULL );
723 * If the target is already bound it is skipped
727 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
728 if ( LDAP_BACK_CONN_ISBOUND( msc )
729 || ( LDAP_BACK_CONN_ISANON( msc )
730 && mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
732 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
736 } else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) )
738 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
739 ldap_pvt_thread_yield();
744 LDAP_BACK_CONN_BINDING_SET( msc );
745 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
747 rc = meta_back_single_dobind( op, rs, &mc, i,
748 LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
750 * NOTE: meta_back_single_dobind() already retries;
751 * in case of failure, it resets mc...
753 if ( rc != LDAP_SUCCESS ) {
754 char buf[ SLAP_TEXT_BUFLEN ];
757 /* meta_back_single_dobind() already sent
758 * response and released connection */
763 if ( rc == LDAP_UNAVAILABLE ) {
764 /* FIXME: meta_back_retry() already re-calls
765 * meta_back_single_dobind() */
766 if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
771 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
772 LDAP_BACK_CONN_BINDING_CLEAR( msc );
773 meta_back_release_conn_lock( mi, mc, 0 );
774 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
780 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
781 LDAP_BACK_CONN_BINDING_CLEAR( msc );
782 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
784 snprintf( buf, sizeof( buf ),
785 "meta_back_dobind[%d]: (%s) err=%d (%s).",
786 i, isroot ? op->o_bd->be_rootdn.bv_val : "anonymous",
787 rc, ldap_err2string( rc ) );
788 Debug( LDAP_DEBUG_ANY,
790 op->o_log_prefix, buf, 0 );
793 * null cred bind should always succeed
794 * as anonymous, so a failure means
795 * the target is no longer candidate possibly
796 * due to technical reasons (remote host down?)
797 * so better clear the handle
799 /* leave the target candidate, but record the error for later use */
800 candidates[ i ].sr_err = rc;
801 if ( META_BACK_ONERR_STOP( mi ) ) {
810 Debug( LDAP_DEBUG_TRACE,
811 "%s meta_back_dobind[%d]: "
814 isroot ? op->o_bd->be_rootdn.bv_val : "anonymous" );
816 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
817 LDAP_BACK_CONN_BINDING_CLEAR( msc );
819 LDAP_BACK_CONN_ISBOUND_SET( msc );
821 LDAP_BACK_CONN_ISANON_SET( msc );
823 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
828 if ( LogTest( LDAP_DEBUG_TRACE ) ) {
829 char buf[STRLENOF("4294967295U") + 1] = { 0 };
830 mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );
832 Debug( LDAP_DEBUG_TRACE,
833 "%s meta_back_dobind: conn=%s bound=%d\n",
834 op->o_log_prefix, buf, bound );
838 meta_back_release_conn( mi, mc );
841 if ( sendok & LDAP_BACK_SENDERR ) {
842 if ( rs->sr_err == LDAP_SUCCESS ) {
843 rs->sr_err = LDAP_BUSY;
845 send_ldap_result( op, rs );
851 return ( bound > 0 );
855 * meta_back_default_rebind
857 * This is a callback used for chasing referrals using the same
858 * credentials as the original user on this session.
861 meta_back_default_rebind(
863 LDAP_CONST char *url,
868 metasingleconn_t *msc = ( metasingleconn_t * )params;
870 return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
871 LDAP_SASL_SIMPLE, &msc->msc_cred,
876 * meta_back_default_urllist
878 * This is a callback used for mucking with the urllist
881 meta_back_default_urllist(
883 LDAPURLDesc **urllist,
887 metatarget_t *mt = (metatarget_t *)params;
888 LDAPURLDesc **urltail;
890 if ( urllist == url ) {
894 for ( urltail = &(*url)->lud_next; *urltail; urltail = &(*urltail)->lud_next )
901 ldap_pvt_thread_mutex_lock( &mt->mt_uri_mutex );
903 ch_free( mt->mt_uri );
906 ldap_get_option( ld, LDAP_OPT_URI, (void *)&mt->mt_uri );
907 ldap_pvt_thread_mutex_unlock( &mt->mt_uri_mutex );
919 ldap_back_send_t sendok )
921 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
923 metatarget_t *mt = mi->mi_targets[ candidate ];
924 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
928 Debug( LDAP_DEBUG_TRACE, ">>> %s meta_back_cancel[%d] msgid=%d\n",
929 op->o_log_prefix, candidate, msgid );
931 /* default behavior */
932 if ( META_BACK_TGT_ABANDON( mt ) ) {
933 rc = ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
935 } else if ( META_BACK_TGT_IGNORE( mt ) ) {
936 rc = ldap_pvt_discard( msc->msc_ld, msgid );
938 } else if ( META_BACK_TGT_CANCEL( mt ) ) {
939 rc = ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
945 Debug( LDAP_DEBUG_TRACE, "<<< %s meta_back_cancel[%d] err=%d\n",
946 op->o_log_prefix, candidate, rc );
954 * FIXME: error return must be handled in a cleaner way ...
964 ldap_back_send_t sendok )
966 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
968 const char *save_text = rs->sr_text,
969 *save_matched = rs->sr_matched;
970 BerVarray save_ref = rs->sr_ref;
971 LDAPControl **save_ctrls = rs->sr_ctrls;
972 void *matched_ctx = NULL;
974 char *matched = NULL;
977 LDAPControl **ctrls = NULL;
979 assert( mc != NULL );
982 rs->sr_matched = NULL;
986 if ( candidate != META_TARGET_NONE ) {
987 metatarget_t *mt = mi->mi_targets[ candidate ];
988 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
990 if ( LDAP_ERR_OK( rs->sr_err ) ) {
993 LDAPMessage *res = NULL;
994 time_t stoptime = (time_t)(-1);
995 int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
996 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
997 const char *timeout_text = "Operation timed out";
999 /* if timeout is not specified, compute and use
1000 * the one specific to the ongoing operation */
1001 if ( timeout == (time_t)(-1) ) {
1002 slap_op_t opidx = slap_req2op( op->o_tag );
1004 if ( opidx == SLAP_OP_SEARCH ) {
1005 if ( op->ors_tlimit <= 0 ) {
1009 timeout = op->ors_tlimit;
1010 timeout_err = LDAP_TIMELIMIT_EXCEEDED;
1011 timeout_text = NULL;
1015 timeout = mt->mt_timeout[ opidx ];
1019 /* better than nothing :) */
1020 if ( timeout == 0 ) {
1021 if ( mi->mi_idle_timeout ) {
1022 timeout = mi->mi_idle_timeout;
1024 } else if ( mi->mi_conn_ttl ) {
1025 timeout = mi->mi_conn_ttl;
1030 stoptime = op->o_time + timeout;
1033 LDAP_BACK_TV_SET( &tv );
1036 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
1039 if ( timeout && slap_get_time() > stoptime ) {
1040 (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
1041 rs->sr_err = timeout_err;
1042 rs->sr_text = timeout_text;
1046 LDAP_BACK_TV_SET( &tv );
1047 ldap_pvt_thread_yield();
1051 ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
1056 /* otherwise get the result; if it is not
1057 * LDAP_SUCCESS, record it in the reply
1058 * structure (this includes
1059 * LDAP_COMPARE_{TRUE|FALSE}) */
1061 /* only touch when activity actually took place... */
1062 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
1063 msc->msc_time = op->o_time;
1066 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
1067 &matched, &text, &refs, &ctrls, 1 );
1069 if ( rc == LDAP_SUCCESS ) {
1074 rs->sr_err = slap_map_api2result( rs );
1076 /* RFC 4511: referrals can only appear
1077 * if result code is LDAP_REFERRAL */
1079 && refs[ 0 ] != NULL
1080 && refs[ 0 ][ 0 ] != '\0' )
1082 if ( rs->sr_err != LDAP_REFERRAL ) {
1083 Debug( LDAP_DEBUG_ANY,
1084 "%s meta_back_op_result[%d]: "
1085 "got referrals with err=%d\n",
1087 candidate, rs->sr_err );
1092 for ( i = 0; refs[ i ] != NULL; i++ )
1094 rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
1096 for ( i = 0; refs[ i ] != NULL; i++ ) {
1097 ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
1099 BER_BVZERO( &rs->sr_ref[ i ] );
1102 } else if ( rs->sr_err == LDAP_REFERRAL ) {
1103 Debug( LDAP_DEBUG_ANY,
1104 "%s meta_back_op_result[%d]: "
1105 "got err=%d with null "
1106 "or empty referrals\n",
1108 candidate, rs->sr_err );
1110 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1113 if ( ctrls != NULL ) {
1114 rs->sr_ctrls = ctrls;
1118 assert( res == NULL );
1121 /* if the error in the reply structure is not
1122 * LDAP_SUCCESS, try to map it from client
1123 * to server error */
1124 if ( !LDAP_ERR_OK( rs->sr_err ) ) {
1125 rs->sr_err = slap_map_api2result( rs );
1127 /* internal ops ( op->o_conn == NULL )
1128 * must not reply to client */
1129 if ( op->o_conn && !op->o_do_not_cache && matched ) {
1131 /* record the (massaged) matched
1132 * DN into the reply structure */
1133 rs->sr_matched = matched;
1137 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
1138 meta_back_quarantine( op, rs, candidate );
1145 for ( i = 0; i < mi->mi_ntargets; i++ ) {
1146 metasingleconn_t *msc = &mc->mc_conns[ i ];
1148 char *xmatched = NULL;
1150 if ( msc->msc_ld == NULL ) {
1154 rs->sr_err = LDAP_SUCCESS;
1156 ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE, &rs->sr_err );
1157 if ( rs->sr_err != LDAP_SUCCESS ) {
1159 * better check the type of error. In some cases
1160 * (search ?) it might be better to return a
1161 * success if at least one of the targets gave
1162 * positive result ...
1164 ldap_get_option( msc->msc_ld,
1165 LDAP_OPT_DIAGNOSTIC_MESSAGE, &xtext );
1166 if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
1167 ldap_memfree( xtext );
1171 ldap_get_option( msc->msc_ld,
1172 LDAP_OPT_MATCHED_DN, &xmatched );
1173 if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
1174 ldap_memfree( xmatched );
1178 rs->sr_err = slap_map_api2result( rs );
1180 if ( LogTest( LDAP_DEBUG_ANY ) ) {
1181 char buf[ SLAP_TEXT_BUFLEN ];
1183 snprintf( buf, sizeof( buf ),
1184 "meta_back_op_result[%d] "
1185 "err=%d text=\"%s\" matched=\"%s\"",
1187 ( xtext ? xtext : "" ),
1188 ( xmatched ? xmatched : "" ) );
1189 Debug( LDAP_DEBUG_ANY, "%s %s.\n",
1190 op->o_log_prefix, buf, 0 );
1194 * FIXME: need to rewrite "match" (need rwinfo)
1196 switch ( rs->sr_err ) {
1199 if ( xtext != NULL ) {
1201 ldap_memfree( text );
1206 if ( xmatched != NULL ) {
1208 ldap_memfree( matched );
1217 ldap_memfree( xtext );
1221 ldap_memfree( xmatched );
1225 if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) {
1226 meta_back_quarantine( op, rs, i );
1230 if ( err != LDAP_SUCCESS ) {
1235 if ( matched != NULL ) {
1236 struct berval dn, pdn;
1238 ber_str2bv( matched, 0, 0, &dn );
1239 if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
1240 ldap_memfree( matched );
1241 matched_ctx = op->o_tmpmemctx;
1242 matched = pdn.bv_val;
1244 rs->sr_matched = matched;
1247 if ( rs->sr_err == LDAP_UNAVAILABLE ) {
1248 if ( !( sendok & LDAP_BACK_RETRYING ) ) {
1249 if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
1250 if ( rs->sr_text == NULL ) rs->sr_text = "Proxy operation retry failed";
1251 send_ldap_result( op, rs );
1255 } else if ( op->o_conn &&
1256 ( ( ( sendok & LDAP_BACK_SENDOK ) && LDAP_ERR_OK( rs->sr_err ) )
1257 || ( ( sendok & LDAP_BACK_SENDERR ) && !LDAP_ERR_OK( rs->sr_err ) ) ) )
1259 send_ldap_result( op, rs );
1262 op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
1265 ldap_memfree( text );
1268 op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
1272 ber_memvfree( (void **)refs );
1275 assert( rs->sr_ctrls != NULL );
1276 ldap_controls_free( ctrls );
1279 rs->sr_text = save_text;
1280 rs->sr_matched = save_matched;
1281 rs->sr_ref = save_ref;
1282 rs->sr_ctrls = save_ctrls;
1284 return( LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
1288 * meta_back_proxy_authz_cred()
1290 * prepares credentials & method for meta_back_proxy_authz_bind();
1291 * or, if method is SASL, performs the SASL bind directly.
1294 meta_back_proxy_authz_cred(
1299 ldap_back_send_t sendok,
1300 struct berval *binddn,
1301 struct berval *bindcred,
1304 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1305 metatarget_t *mt = mi->mi_targets[ candidate ];
1306 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1310 /* don't proxyAuthz if protocol is not LDAPv3 */
1311 switch ( mt->mt_version ) {
1316 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1322 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1323 if ( sendok & LDAP_BACK_SENDERR ) {
1324 send_ldap_result( op, rs );
1326 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1330 if ( op->o_tag == LDAP_REQ_BIND ) {
1331 ndn = op->o_req_ndn;
1333 } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
1334 ndn = op->o_conn->c_ndn;
1341 * FIXME: we need to let clients use proxyAuthz
1342 * otherwise we cannot do symmetric pools of servers;
1343 * we have to live with the fact that a user can
1344 * authorize itself as any ID that is allowed
1345 * by the authzTo directive of the "proxyauthzdn".
1348 * NOTE: current Proxy Authorization specification
1349 * and implementation do not allow proxy authorization
1350 * control to be provided with Bind requests
1353 * if no bind took place yet, but the connection is bound
1354 * and the "proxyauthzdn" is set, then bind as
1355 * "proxyauthzdn" and explicitly add the proxyAuthz
1356 * control to every operation with the dn bound
1357 * to the connection as control value.
1360 /* bind as proxyauthzdn only if no idassert mode
1361 * is requested, or if the client's identity
1363 switch ( mt->mt_idassert_mode ) {
1364 case LDAP_BACK_IDASSERT_LEGACY:
1365 if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
1366 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) && !BER_BVISEMPTY( &mt->mt_idassert_authcDN ) )
1368 *binddn = mt->mt_idassert_authcDN;
1369 *bindcred = mt->mt_idassert_passwd;
1376 /* NOTE: rootdn can always idassert */
1377 if ( BER_BVISNULL( &ndn )
1378 && mt->mt_idassert_authz == NULL
1379 && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
1381 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1382 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
1383 if ( sendok & LDAP_BACK_SENDERR ) {
1384 send_ldap_result( op, rs );
1386 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1391 rs->sr_err = LDAP_SUCCESS;
1392 *binddn = slap_empty_bv;
1393 *bindcred = slap_empty_bv;
1396 } else if ( mt->mt_idassert_authz && !be_isroot( op ) ) {
1397 struct berval authcDN;
1399 if ( BER_BVISNULL( &ndn ) ) {
1400 authcDN = slap_empty_bv;
1405 rs->sr_err = slap_sasl_matches( op, mt->mt_idassert_authz,
1406 &authcDN, &authcDN );
1407 if ( rs->sr_err != LDAP_SUCCESS ) {
1408 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1409 if ( sendok & LDAP_BACK_SENDERR ) {
1410 send_ldap_result( op, rs );
1412 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1416 rs->sr_err = LDAP_SUCCESS;
1417 *binddn = slap_empty_bv;
1418 *bindcred = slap_empty_bv;
1423 *binddn = mt->mt_idassert_authcDN;
1424 *bindcred = mt->mt_idassert_passwd;
1429 if ( dobind && mt->mt_idassert_authmethod == LDAP_AUTH_SASL ) {
1430 #ifdef HAVE_CYRUS_SASL
1431 void *defaults = NULL;
1432 struct berval authzID = BER_BVNULL;
1435 /* if SASL supports native authz, prepare for it */
1436 if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
1437 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
1439 switch ( mt->mt_idassert_mode ) {
1440 case LDAP_BACK_IDASSERT_OTHERID:
1441 case LDAP_BACK_IDASSERT_OTHERDN:
1442 authzID = mt->mt_idassert_authzID;
1445 case LDAP_BACK_IDASSERT_ANONYMOUS:
1446 BER_BVSTR( &authzID, "dn:" );
1449 case LDAP_BACK_IDASSERT_SELF:
1450 if ( BER_BVISNULL( &ndn ) ) {
1451 /* connection is not authc'd, so don't idassert */
1452 BER_BVSTR( &authzID, "dn:" );
1455 authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1456 authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
1457 AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1458 AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
1459 ndn.bv_val, ndn.bv_len + 1 );
1468 if ( mt->mt_idassert_secprops != NULL ) {
1469 rs->sr_err = ldap_set_option( msc->msc_ld,
1470 LDAP_OPT_X_SASL_SECPROPS,
1471 (void *)mt->mt_idassert_secprops );
1473 if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
1474 rs->sr_err = LDAP_OTHER;
1475 if ( sendok & LDAP_BACK_SENDERR ) {
1476 send_ldap_result( op, rs );
1478 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1483 defaults = lutil_sasl_defaults( msc->msc_ld,
1484 mt->mt_idassert_sasl_mech.bv_val,
1485 mt->mt_idassert_sasl_realm.bv_val,
1486 mt->mt_idassert_authcID.bv_val,
1487 mt->mt_idassert_passwd.bv_val,
1489 if ( defaults == NULL ) {
1490 rs->sr_err = LDAP_OTHER;
1491 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1492 if ( sendok & LDAP_BACK_SENDERR ) {
1493 send_ldap_result( op, rs );
1498 rs->sr_err = ldap_sasl_interactive_bind_s( msc->msc_ld, binddn->bv_val,
1499 mt->mt_idassert_sasl_mech.bv_val, NULL, NULL,
1500 LDAP_SASL_QUIET, lutil_sasl_interact,
1503 rs->sr_err = slap_map_api2result( rs );
1504 if ( rs->sr_err != LDAP_SUCCESS ) {
1505 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1506 if ( sendok & LDAP_BACK_SENDERR ) {
1507 send_ldap_result( op, rs );
1511 LDAP_BACK_CONN_ISBOUND_SET( msc );
1514 lutil_sasl_freedefs( defaults );
1516 slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
1520 #endif /* HAVE_CYRUS_SASL */
1523 *method = mt->mt_idassert_authmethod;
1524 switch ( mt->mt_idassert_authmethod ) {
1525 case LDAP_AUTH_NONE:
1526 BER_BVSTR( binddn, "" );
1527 BER_BVSTR( bindcred, "" );
1530 case LDAP_AUTH_SIMPLE:
1535 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1536 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
1537 if ( sendok & LDAP_BACK_SENDERR ) {
1538 send_ldap_result( op, rs );
1545 if ( !BER_BVISEMPTY( binddn ) ) {
1546 LDAP_BACK_CONN_ISIDASSERT_SET( msc );
1553 meta_back_proxy_authz_bind( metaconn_t *mc, int candidate, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
1555 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1556 metatarget_t *mt = mi->mi_targets[ candidate ];
1557 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1558 struct berval binddn = BER_BVC( "" ),
1559 cred = BER_BVC( "" );
1560 int method = LDAP_AUTH_NONE,
1563 rc = meta_back_proxy_authz_cred( mc, candidate, op, rs, sendok, &binddn, &cred, &method );
1564 if ( rc == LDAP_SUCCESS && !LDAP_BACK_CONN_ISBOUND( msc ) ) {
1568 case LDAP_AUTH_NONE:
1569 case LDAP_AUTH_SIMPLE:
1571 rs->sr_err = ldap_sasl_bind( msc->msc_ld,
1572 binddn.bv_val, LDAP_SASL_SIMPLE,
1573 &cred, NULL, NULL, &msgid );
1574 if ( rs->sr_err != LDAP_X_CONNECTING ) {
1577 ldap_pvt_thread_yield();
1579 rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
1580 if ( rc == LDAP_SUCCESS ) {
1581 /* set rebind stuff in case of successful proxyAuthz bind,
1582 * so that referral chasing is attempted using the right
1584 LDAP_BACK_CONN_ISBOUND_SET( msc );
1585 ber_bvreplace( &msc->msc_bound_ndn, &binddn );
1587 if ( META_BACK_TGT_SAVECRED( mt ) ) {
1588 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
1589 memset( msc->msc_cred.bv_val, 0,
1590 msc->msc_cred.bv_len );
1592 ber_bvreplace( &msc->msc_cred, &cred );
1593 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
1604 return LDAP_BACK_CONN_ISBOUND( msc );
1610 * if any needs to be added, it is prepended to existing ones,
1611 * in a newly allocated array. The companion function
1612 * mi->mi_ldap_extra->controls_free() must be used to restore the original
1613 * status of op->o_ctrls.
1616 meta_back_controls_add(
1621 LDAPControl ***pctrls )
1623 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1624 metatarget_t *mt = mi->mi_targets[ candidate ];
1625 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1627 LDAPControl **ctrls = NULL;
1628 /* set to the maximum number of controls this backend can add */
1629 LDAPControl c[ 2 ] = {{ 0 }};
1630 int n = 0, i, j1 = 0, j2 = 0;
1634 rs->sr_err = LDAP_SUCCESS;
1636 /* don't add controls if protocol is not LDAPv3 */
1637 switch ( mt->mt_version ) {
1642 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1651 /* put controls that go __before__ existing ones here */
1653 /* proxyAuthz for identity assertion */
1654 switch ( mi->mi_ldap_extra->proxy_authz_ctrl( op, rs, &msc->msc_bound_ndn,
1655 mt->mt_version, &mt->mt_idassert, &c[ j1 ] ) )
1657 case SLAP_CB_CONTINUE:
1668 /* put controls that go __after__ existing ones here */
1670 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
1671 /* session tracking */
1672 if ( META_BACK_TGT_ST_REQUEST( mt ) ) {
1673 switch ( slap_ctrl_session_tracking_request_add( op, rs, &c[ j1 + j2 ] ) ) {
1674 case SLAP_CB_CONTINUE:
1685 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
1687 if ( rs->sr_err == SLAP_CB_CONTINUE ) {
1688 rs->sr_err = LDAP_SUCCESS;
1691 /* if nothing to do, just bail out */
1692 if ( j1 == 0 && j2 == 0 ) {
1696 assert( j1 + j2 <= (int) (sizeof( c )/sizeof( c[0] )) );
1698 if ( op->o_ctrls ) {
1699 for ( n = 0; op->o_ctrls[ n ]; n++ )
1700 /* just count ctrls */ ;
1703 ctrls = op->o_tmpalloc( (n + j1 + j2 + 1) * sizeof( LDAPControl * ) + ( j1 + j2 ) * sizeof( LDAPControl ),
1706 ctrls[ 0 ] = (LDAPControl *)&ctrls[ n + j1 + j2 + 1 ];
1707 *ctrls[ 0 ] = c[ 0 ];
1708 for ( i = 1; i < j1; i++ ) {
1709 ctrls[ i ] = &ctrls[ 0 ][ i ];
1710 *ctrls[ i ] = c[ i ];
1715 if ( op->o_ctrls ) {
1716 for ( i = 0; op->o_ctrls[ i ]; i++ ) {
1717 ctrls[ i + j1 ] = op->o_ctrls[ i ];
1723 ctrls[ n ] = (LDAPControl *)&ctrls[ n + j2 + 1 ] + j1;
1724 *ctrls[ n ] = c[ j1 ];
1725 for ( i = 1; i < j2; i++ ) {
1726 ctrls[ n + i ] = &ctrls[ n ][ i ];
1727 *ctrls[ n + i ] = c[ i ];
1731 ctrls[ n + j2 ] = NULL;
1734 if ( ctrls == NULL ) {
1735 ctrls = op->o_ctrls;