2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2010 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 ) {
631 if ( binddn[0] == '\0' &&
632 !BER_BVISNULL( &msc->msc_bound_ndn ) &&
633 !BER_BVISEMPTY( &msc->msc_bound_ndn ) )
635 ber_memfree( msc->msc_bound_ndn.bv_val );
636 BER_BVZERO( &msc->msc_bound_ndn );
641 if ( rs->sr_err != LDAP_SUCCESS ) {
643 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
645 LDAP_BACK_CONN_BINDING_CLEAR( msc );
646 if ( META_BACK_ONERR_STOP( mi ) ) {
647 LDAP_BACK_CONN_TAINTED_SET( mc );
648 meta_back_release_conn_lock( mi, mc, 0 );
652 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
656 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
657 meta_back_quarantine( op, rs, candidate );
671 ldap_back_send_t sendok )
673 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
679 SlapReply *candidates;
681 if ( be_isroot( op ) ) {
685 if ( LogTest( LDAP_DEBUG_TRACE ) ) {
686 char buf[STRLENOF("4294967295U") + 1] = { 0 };
687 mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );
689 Debug( LDAP_DEBUG_TRACE,
690 "%s meta_back_dobind: conn=%s%s\n",
691 op->o_log_prefix, buf,
692 isroot ? " (isroot)" : "" );
696 * all the targets are bound as pseudoroot
698 if ( mc->mc_authz_target == META_BOUND_ALL ) {
703 candidates = meta_back_candidates_get( op );
705 for ( i = 0; i < mi->mi_ntargets; i++ ) {
706 metatarget_t *mt = mi->mi_targets[ i ];
707 metasingleconn_t *msc = &mc->mc_conns[ i ];
713 if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
717 assert( msc->msc_ld != NULL );
720 * If the target is already bound it is skipped
724 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
725 if ( LDAP_BACK_CONN_ISBOUND( msc )
726 || ( LDAP_BACK_CONN_ISANON( msc )
727 && mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
729 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
733 } else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) )
735 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
736 ldap_pvt_thread_yield();
741 LDAP_BACK_CONN_BINDING_SET( msc );
742 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
744 rc = meta_back_single_dobind( op, rs, &mc, i,
745 LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
747 * NOTE: meta_back_single_dobind() already retries;
748 * in case of failure, it resets mc...
750 if ( rc != LDAP_SUCCESS ) {
751 char buf[ SLAP_TEXT_BUFLEN ];
754 /* meta_back_single_dobind() already sent
755 * response and released connection */
760 if ( rc == LDAP_UNAVAILABLE ) {
761 /* FIXME: meta_back_retry() already re-calls
762 * meta_back_single_dobind() */
763 if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
768 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
769 LDAP_BACK_CONN_BINDING_CLEAR( msc );
770 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
771 meta_back_release_conn( mi, mc );
777 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
778 LDAP_BACK_CONN_BINDING_CLEAR( msc );
779 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
781 snprintf( buf, sizeof( buf ),
782 "meta_back_dobind[%d]: (%s) err=%d (%s).",
783 i, isroot ? op->o_bd->be_rootdn.bv_val : "anonymous",
784 rc, ldap_err2string( rc ) );
785 Debug( LDAP_DEBUG_ANY,
787 op->o_log_prefix, buf, 0 );
790 * null cred bind should always succeed
791 * as anonymous, so a failure means
792 * the target is no longer candidate possibly
793 * due to technical reasons (remote host down?)
794 * so better clear the handle
796 /* leave the target candidate, but record the error for later use */
797 candidates[ i ].sr_err = rc;
798 if ( META_BACK_ONERR_STOP( mi ) ) {
807 Debug( LDAP_DEBUG_TRACE,
808 "%s meta_back_dobind[%d]: "
811 isroot ? op->o_bd->be_rootdn.bv_val : "anonymous" );
813 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
814 LDAP_BACK_CONN_BINDING_CLEAR( msc );
816 LDAP_BACK_CONN_ISBOUND_SET( msc );
818 LDAP_BACK_CONN_ISANON_SET( msc );
820 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
825 if ( LogTest( LDAP_DEBUG_TRACE ) ) {
826 char buf[STRLENOF("4294967295U") + 1] = { 0 };
827 mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );
829 Debug( LDAP_DEBUG_TRACE,
830 "%s meta_back_dobind: conn=%s bound=%d\n",
831 op->o_log_prefix, buf, bound );
835 meta_back_release_conn( mi, mc );
838 if ( sendok & LDAP_BACK_SENDERR ) {
839 if ( rs->sr_err == LDAP_SUCCESS ) {
840 rs->sr_err = LDAP_BUSY;
842 send_ldap_result( op, rs );
848 return ( bound > 0 );
852 * meta_back_default_rebind
854 * This is a callback used for chasing referrals using the same
855 * credentials as the original user on this session.
858 meta_back_default_rebind(
860 LDAP_CONST char *url,
865 metasingleconn_t *msc = ( metasingleconn_t * )params;
867 return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
868 LDAP_SASL_SIMPLE, &msc->msc_cred,
873 * meta_back_default_urllist
875 * This is a callback used for mucking with the urllist
878 meta_back_default_urllist(
880 LDAPURLDesc **urllist,
884 metatarget_t *mt = (metatarget_t *)params;
885 LDAPURLDesc **urltail;
887 if ( urllist == url ) {
891 for ( urltail = &(*url)->lud_next; *urltail; urltail = &(*urltail)->lud_next )
898 ldap_pvt_thread_mutex_lock( &mt->mt_uri_mutex );
900 ch_free( mt->mt_uri );
903 ldap_get_option( ld, LDAP_OPT_URI, (void *)&mt->mt_uri );
904 ldap_pvt_thread_mutex_unlock( &mt->mt_uri_mutex );
916 ldap_back_send_t sendok )
918 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
920 metatarget_t *mt = mi->mi_targets[ candidate ];
921 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
925 Debug( LDAP_DEBUG_TRACE, ">>> %s meta_back_cancel[%d] msgid=%d\n",
926 op->o_log_prefix, candidate, msgid );
928 /* default behavior */
929 if ( META_BACK_TGT_ABANDON( mt ) ) {
930 rc = ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
932 } else if ( META_BACK_TGT_IGNORE( mt ) ) {
933 rc = ldap_pvt_discard( msc->msc_ld, msgid );
935 } else if ( META_BACK_TGT_CANCEL( mt ) ) {
936 rc = ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
942 Debug( LDAP_DEBUG_TRACE, "<<< %s meta_back_cancel[%d] err=%d\n",
943 op->o_log_prefix, candidate, rc );
951 * FIXME: error return must be handled in a cleaner way ...
961 ldap_back_send_t sendok )
963 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
965 const char *save_text = rs->sr_text,
966 *save_matched = rs->sr_matched;
967 BerVarray save_ref = rs->sr_ref;
968 LDAPControl **save_ctrls = rs->sr_ctrls;
969 void *matched_ctx = NULL;
971 char *matched = NULL;
974 LDAPControl **ctrls = NULL;
976 assert( mc != NULL );
979 rs->sr_matched = NULL;
983 if ( candidate != META_TARGET_NONE ) {
984 metatarget_t *mt = mi->mi_targets[ candidate ];
985 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
987 if ( LDAP_ERR_OK( rs->sr_err ) ) {
990 LDAPMessage *res = NULL;
991 time_t stoptime = (time_t)(-1);
992 int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
993 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
994 const char *timeout_text = "Operation timed out";
996 /* if timeout is not specified, compute and use
997 * the one specific to the ongoing operation */
998 if ( timeout == (time_t)(-1) ) {
999 slap_op_t opidx = slap_req2op( op->o_tag );
1001 if ( opidx == SLAP_OP_SEARCH ) {
1002 if ( op->ors_tlimit <= 0 ) {
1006 timeout = op->ors_tlimit;
1007 timeout_err = LDAP_TIMELIMIT_EXCEEDED;
1008 timeout_text = NULL;
1012 timeout = mt->mt_timeout[ opidx ];
1016 /* better than nothing :) */
1017 if ( timeout == 0 ) {
1018 if ( mi->mi_idle_timeout ) {
1019 timeout = mi->mi_idle_timeout;
1021 } else if ( mi->mi_conn_ttl ) {
1022 timeout = mi->mi_conn_ttl;
1027 stoptime = op->o_time + timeout;
1030 LDAP_BACK_TV_SET( &tv );
1033 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
1036 if ( timeout && slap_get_time() > stoptime ) {
1037 (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
1038 rs->sr_err = timeout_err;
1039 rs->sr_text = timeout_text;
1043 LDAP_BACK_TV_SET( &tv );
1044 ldap_pvt_thread_yield();
1048 ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
1053 /* otherwise get the result; if it is not
1054 * LDAP_SUCCESS, record it in the reply
1055 * structure (this includes
1056 * LDAP_COMPARE_{TRUE|FALSE}) */
1058 /* only touch when activity actually took place... */
1059 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
1060 msc->msc_time = op->o_time;
1063 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
1064 &matched, &text, &refs, &ctrls, 1 );
1066 if ( rc == LDAP_SUCCESS ) {
1071 rs->sr_err = slap_map_api2result( rs );
1073 /* RFC 4511: referrals can only appear
1074 * if result code is LDAP_REFERRAL */
1076 && refs[ 0 ] != NULL
1077 && refs[ 0 ][ 0 ] != '\0' )
1079 if ( rs->sr_err != LDAP_REFERRAL ) {
1080 Debug( LDAP_DEBUG_ANY,
1081 "%s meta_back_op_result[%d]: "
1082 "got referrals with err=%d\n",
1084 candidate, rs->sr_err );
1089 for ( i = 0; refs[ i ] != NULL; i++ )
1091 rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
1093 for ( i = 0; refs[ i ] != NULL; i++ ) {
1094 ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
1096 BER_BVZERO( &rs->sr_ref[ i ] );
1099 } else if ( rs->sr_err == LDAP_REFERRAL ) {
1100 Debug( LDAP_DEBUG_ANY,
1101 "%s meta_back_op_result[%d]: "
1102 "got err=%d with null "
1103 "or empty referrals\n",
1105 candidate, rs->sr_err );
1107 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1110 if ( ctrls != NULL ) {
1111 rs->sr_ctrls = ctrls;
1115 assert( res == NULL );
1118 /* if the error in the reply structure is not
1119 * LDAP_SUCCESS, try to map it from client
1120 * to server error */
1121 if ( !LDAP_ERR_OK( rs->sr_err ) ) {
1122 rs->sr_err = slap_map_api2result( rs );
1124 /* internal ops ( op->o_conn == NULL )
1125 * must not reply to client */
1126 if ( op->o_conn && !op->o_do_not_cache && matched ) {
1128 /* record the (massaged) matched
1129 * DN into the reply structure */
1130 rs->sr_matched = matched;
1134 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
1135 meta_back_quarantine( op, rs, candidate );
1142 for ( i = 0; i < mi->mi_ntargets; i++ ) {
1143 metasingleconn_t *msc = &mc->mc_conns[ i ];
1145 char *xmatched = NULL;
1147 if ( msc->msc_ld == NULL ) {
1151 rs->sr_err = LDAP_SUCCESS;
1153 ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE, &rs->sr_err );
1154 if ( rs->sr_err != LDAP_SUCCESS ) {
1156 * better check the type of error. In some cases
1157 * (search ?) it might be better to return a
1158 * success if at least one of the targets gave
1159 * positive result ...
1161 ldap_get_option( msc->msc_ld,
1162 LDAP_OPT_DIAGNOSTIC_MESSAGE, &xtext );
1163 if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
1164 ldap_memfree( xtext );
1168 ldap_get_option( msc->msc_ld,
1169 LDAP_OPT_MATCHED_DN, &xmatched );
1170 if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
1171 ldap_memfree( xmatched );
1175 rs->sr_err = slap_map_api2result( rs );
1177 if ( LogTest( LDAP_DEBUG_ANY ) ) {
1178 char buf[ SLAP_TEXT_BUFLEN ];
1180 snprintf( buf, sizeof( buf ),
1181 "meta_back_op_result[%d] "
1182 "err=%d text=\"%s\" matched=\"%s\"",
1184 ( xtext ? xtext : "" ),
1185 ( xmatched ? xmatched : "" ) );
1186 Debug( LDAP_DEBUG_ANY, "%s %s.\n",
1187 op->o_log_prefix, buf, 0 );
1191 * FIXME: need to rewrite "match" (need rwinfo)
1193 switch ( rs->sr_err ) {
1196 if ( xtext != NULL ) {
1198 ldap_memfree( text );
1203 if ( xmatched != NULL ) {
1205 ldap_memfree( matched );
1214 ldap_memfree( xtext );
1218 ldap_memfree( xmatched );
1222 if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) {
1223 meta_back_quarantine( op, rs, i );
1227 if ( err != LDAP_SUCCESS ) {
1232 if ( matched != NULL ) {
1233 struct berval dn, pdn;
1235 ber_str2bv( matched, 0, 0, &dn );
1236 if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
1237 ldap_memfree( matched );
1238 matched_ctx = op->o_tmpmemctx;
1239 matched = pdn.bv_val;
1241 rs->sr_matched = matched;
1244 if ( rs->sr_err == LDAP_UNAVAILABLE ) {
1245 if ( !( sendok & LDAP_BACK_RETRYING ) ) {
1246 if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
1247 if ( rs->sr_text == NULL ) rs->sr_text = "Proxy operation retry failed";
1248 send_ldap_result( op, rs );
1252 } else if ( op->o_conn &&
1253 ( ( ( sendok & LDAP_BACK_SENDOK ) && LDAP_ERR_OK( rs->sr_err ) )
1254 || ( ( sendok & LDAP_BACK_SENDERR ) && !LDAP_ERR_OK( rs->sr_err ) ) ) )
1256 send_ldap_result( op, rs );
1259 op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
1262 ldap_memfree( text );
1265 op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
1269 ber_memvfree( (void **)refs );
1272 assert( rs->sr_ctrls != NULL );
1273 ldap_controls_free( ctrls );
1276 rs->sr_text = save_text;
1277 rs->sr_matched = save_matched;
1278 rs->sr_ref = save_ref;
1279 rs->sr_ctrls = save_ctrls;
1281 return( LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
1285 * meta_back_proxy_authz_cred()
1287 * prepares credentials & method for meta_back_proxy_authz_bind();
1288 * or, if method is SASL, performs the SASL bind directly.
1291 meta_back_proxy_authz_cred(
1296 ldap_back_send_t sendok,
1297 struct berval *binddn,
1298 struct berval *bindcred,
1301 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1302 metatarget_t *mt = mi->mi_targets[ candidate ];
1303 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1307 /* don't proxyAuthz if protocol is not LDAPv3 */
1308 switch ( mt->mt_version ) {
1313 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1319 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1320 if ( sendok & LDAP_BACK_SENDERR ) {
1321 send_ldap_result( op, rs );
1323 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1327 if ( op->o_tag == LDAP_REQ_BIND ) {
1328 ndn = op->o_req_ndn;
1330 } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
1331 ndn = op->o_conn->c_ndn;
1338 * FIXME: we need to let clients use proxyAuthz
1339 * otherwise we cannot do symmetric pools of servers;
1340 * we have to live with the fact that a user can
1341 * authorize itself as any ID that is allowed
1342 * by the authzTo directive of the "proxyauthzdn".
1345 * NOTE: current Proxy Authorization specification
1346 * and implementation do not allow proxy authorization
1347 * control to be provided with Bind requests
1350 * if no bind took place yet, but the connection is bound
1351 * and the "proxyauthzdn" is set, then bind as
1352 * "proxyauthzdn" and explicitly add the proxyAuthz
1353 * control to every operation with the dn bound
1354 * to the connection as control value.
1357 /* bind as proxyauthzdn only if no idassert mode
1358 * is requested, or if the client's identity
1360 switch ( mt->mt_idassert_mode ) {
1361 case LDAP_BACK_IDASSERT_LEGACY:
1362 if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
1363 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) && !BER_BVISEMPTY( &mt->mt_idassert_authcDN ) )
1365 *binddn = mt->mt_idassert_authcDN;
1366 *bindcred = mt->mt_idassert_passwd;
1373 /* NOTE: rootdn can always idassert */
1374 if ( BER_BVISNULL( &ndn )
1375 && mt->mt_idassert_authz == NULL
1376 && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
1378 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1379 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
1380 if ( sendok & LDAP_BACK_SENDERR ) {
1381 send_ldap_result( op, rs );
1383 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1388 rs->sr_err = LDAP_SUCCESS;
1389 *binddn = slap_empty_bv;
1390 *bindcred = slap_empty_bv;
1393 } else if ( mt->mt_idassert_authz && !be_isroot( op ) ) {
1394 struct berval authcDN;
1396 if ( BER_BVISNULL( &ndn ) ) {
1397 authcDN = slap_empty_bv;
1402 rs->sr_err = slap_sasl_matches( op, mt->mt_idassert_authz,
1403 &authcDN, &authcDN );
1404 if ( rs->sr_err != LDAP_SUCCESS ) {
1405 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1406 if ( sendok & LDAP_BACK_SENDERR ) {
1407 send_ldap_result( op, rs );
1409 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1413 rs->sr_err = LDAP_SUCCESS;
1414 *binddn = slap_empty_bv;
1415 *bindcred = slap_empty_bv;
1420 *binddn = mt->mt_idassert_authcDN;
1421 *bindcred = mt->mt_idassert_passwd;
1426 if ( dobind && mt->mt_idassert_authmethod == LDAP_AUTH_SASL ) {
1427 #ifdef HAVE_CYRUS_SASL
1428 void *defaults = NULL;
1429 struct berval authzID = BER_BVNULL;
1432 /* if SASL supports native authz, prepare for it */
1433 if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
1434 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
1436 switch ( mt->mt_idassert_mode ) {
1437 case LDAP_BACK_IDASSERT_OTHERID:
1438 case LDAP_BACK_IDASSERT_OTHERDN:
1439 authzID = mt->mt_idassert_authzID;
1442 case LDAP_BACK_IDASSERT_ANONYMOUS:
1443 BER_BVSTR( &authzID, "dn:" );
1446 case LDAP_BACK_IDASSERT_SELF:
1447 if ( BER_BVISNULL( &ndn ) ) {
1448 /* connection is not authc'd, so don't idassert */
1449 BER_BVSTR( &authzID, "dn:" );
1452 authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1453 authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
1454 AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1455 AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
1456 ndn.bv_val, ndn.bv_len + 1 );
1465 if ( mt->mt_idassert_secprops != NULL ) {
1466 rs->sr_err = ldap_set_option( msc->msc_ld,
1467 LDAP_OPT_X_SASL_SECPROPS,
1468 (void *)mt->mt_idassert_secprops );
1470 if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
1471 rs->sr_err = LDAP_OTHER;
1472 if ( sendok & LDAP_BACK_SENDERR ) {
1473 send_ldap_result( op, rs );
1475 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1480 defaults = lutil_sasl_defaults( msc->msc_ld,
1481 mt->mt_idassert_sasl_mech.bv_val,
1482 mt->mt_idassert_sasl_realm.bv_val,
1483 mt->mt_idassert_authcID.bv_val,
1484 mt->mt_idassert_passwd.bv_val,
1486 if ( defaults == NULL ) {
1487 rs->sr_err = LDAP_OTHER;
1488 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1489 if ( sendok & LDAP_BACK_SENDERR ) {
1490 send_ldap_result( op, rs );
1495 rs->sr_err = ldap_sasl_interactive_bind_s( msc->msc_ld, binddn->bv_val,
1496 mt->mt_idassert_sasl_mech.bv_val, NULL, NULL,
1497 LDAP_SASL_QUIET, lutil_sasl_interact,
1500 rs->sr_err = slap_map_api2result( rs );
1501 if ( rs->sr_err != LDAP_SUCCESS ) {
1502 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1503 if ( sendok & LDAP_BACK_SENDERR ) {
1504 send_ldap_result( op, rs );
1508 LDAP_BACK_CONN_ISBOUND_SET( msc );
1511 lutil_sasl_freedefs( defaults );
1513 slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
1517 #endif /* HAVE_CYRUS_SASL */
1520 *method = mt->mt_idassert_authmethod;
1521 switch ( mt->mt_idassert_authmethod ) {
1522 case LDAP_AUTH_NONE:
1523 BER_BVSTR( binddn, "" );
1524 BER_BVSTR( bindcred, "" );
1527 case LDAP_AUTH_SIMPLE:
1532 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1533 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
1534 if ( sendok & LDAP_BACK_SENDERR ) {
1535 send_ldap_result( op, rs );
1542 if ( !BER_BVISEMPTY( binddn ) ) {
1543 LDAP_BACK_CONN_ISIDASSERT_SET( msc );
1550 meta_back_proxy_authz_bind( metaconn_t *mc, int candidate, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
1552 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1553 metatarget_t *mt = mi->mi_targets[ candidate ];
1554 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1555 struct berval binddn = BER_BVC( "" ),
1556 cred = BER_BVC( "" );
1557 int method = LDAP_AUTH_NONE,
1560 rc = meta_back_proxy_authz_cred( mc, candidate, op, rs, sendok, &binddn, &cred, &method );
1561 if ( rc == LDAP_SUCCESS && !LDAP_BACK_CONN_ISBOUND( msc ) ) {
1565 case LDAP_AUTH_NONE:
1566 case LDAP_AUTH_SIMPLE:
1568 rs->sr_err = ldap_sasl_bind( msc->msc_ld,
1569 binddn.bv_val, LDAP_SASL_SIMPLE,
1570 &cred, NULL, NULL, &msgid );
1571 if ( rs->sr_err != LDAP_X_CONNECTING ) {
1574 ldap_pvt_thread_yield();
1576 rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
1577 if ( rc == LDAP_SUCCESS ) {
1578 /* set rebind stuff in case of successful proxyAuthz bind,
1579 * so that referral chasing is attempted using the right
1581 LDAP_BACK_CONN_ISBOUND_SET( msc );
1582 ber_bvreplace( &msc->msc_bound_ndn, &binddn );
1584 if ( META_BACK_TGT_SAVECRED( mt ) ) {
1585 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
1586 memset( msc->msc_cred.bv_val, 0,
1587 msc->msc_cred.bv_len );
1589 ber_bvreplace( &msc->msc_cred, &cred );
1590 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
1601 return LDAP_BACK_CONN_ISBOUND( msc );
1607 * if any needs to be added, it is prepended to existing ones,
1608 * in a newly allocated array. The companion function
1609 * mi->mi_ldap_extra->controls_free() must be used to restore the original
1610 * status of op->o_ctrls.
1613 meta_back_controls_add(
1618 LDAPControl ***pctrls )
1620 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1621 metatarget_t *mt = mi->mi_targets[ candidate ];
1622 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1624 LDAPControl **ctrls = NULL;
1625 /* set to the maximum number of controls this backend can add */
1626 LDAPControl c[ 2 ] = {{ 0 }};
1627 int n = 0, i, j1 = 0, j2 = 0;
1631 rs->sr_err = LDAP_SUCCESS;
1633 /* don't add controls if protocol is not LDAPv3 */
1634 switch ( mt->mt_version ) {
1639 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1648 /* put controls that go __before__ existing ones here */
1650 /* proxyAuthz for identity assertion */
1651 switch ( mi->mi_ldap_extra->proxy_authz_ctrl( op, rs, &msc->msc_bound_ndn,
1652 mt->mt_version, &mt->mt_idassert, &c[ j1 ] ) )
1654 case SLAP_CB_CONTINUE:
1665 /* put controls that go __after__ existing ones here */
1667 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
1668 /* session tracking */
1669 if ( META_BACK_TGT_ST_REQUEST( mt ) ) {
1670 switch ( slap_ctrl_session_tracking_request_add( op, rs, &c[ j1 + j2 ] ) ) {
1671 case SLAP_CB_CONTINUE:
1682 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
1684 if ( rs->sr_err == SLAP_CB_CONTINUE ) {
1685 rs->sr_err = LDAP_SUCCESS;
1688 /* if nothing to do, just bail out */
1689 if ( j1 == 0 && j2 == 0 ) {
1693 assert( j1 + j2 <= (int) (sizeof( c )/sizeof( c[0] )) );
1695 if ( op->o_ctrls ) {
1696 for ( n = 0; op->o_ctrls[ n ]; n++ )
1697 /* just count ctrls */ ;
1700 ctrls = op->o_tmpalloc( (n + j1 + j2 + 1) * sizeof( LDAPControl * ) + ( j1 + j2 ) * sizeof( LDAPControl ),
1703 ctrls[ 0 ] = (LDAPControl *)&ctrls[ n + j1 + j2 + 1 ];
1704 *ctrls[ 0 ] = c[ 0 ];
1705 for ( i = 1; i < j1; i++ ) {
1706 ctrls[ i ] = &ctrls[ 0 ][ i ];
1707 *ctrls[ i ] = c[ i ];
1712 if ( op->o_ctrls ) {
1713 for ( i = 0; op->o_ctrls[ i ]; i++ ) {
1714 ctrls[ i + j1 ] = op->o_ctrls[ i ];
1720 ctrls[ n ] = (LDAPControl *)&ctrls[ n + j2 + 1 ] + j1;
1721 *ctrls[ n ] = c[ j1 ];
1722 for ( i = 1; i < j2; i++ ) {
1723 ctrls[ n + i ] = &ctrls[ n ][ i ];
1724 *ctrls[ n + i ] = c[ i ];
1728 ctrls[ n + j2 ] = NULL;
1731 if ( ctrls == NULL ) {
1732 ctrls = op->o_ctrls;