2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2007 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 = meta_back_candidates_get( op );
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 if ( op->orb_method == LDAP_AUTH_SIMPLE
76 && be_isroot_dn( op->o_bd, &op->o_req_ndn ) )
78 if ( !be_isroot_pw( op ) ) {
79 rs->sr_err = LDAP_INVALID_CREDENTIALS;
81 send_ldap_result( op, rs );
85 if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) {
86 rs->sr_err = LDAP_SUCCESS;
88 /* frontend will return success */
95 /* we need meta_back_getconn() not send result even on error,
96 * because we want to intercept the error and make it
97 * invalidCredentials */
98 mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_BIND_DONTSEND );
100 if ( StatslogTest( LDAP_DEBUG_ANY ) ) {
101 char buf[ SLAP_TEXT_BUFLEN ];
103 snprintf( buf, sizeof( buf ),
104 "meta_back_bind: no target "
105 "for dn \"%s\" (%d%s%s).",
106 op->o_req_dn.bv_val, rs->sr_err,
107 rs->sr_text ? ". " : "",
108 rs->sr_text ? rs->sr_text : "" );
109 Debug( LDAP_DEBUG_ANY,
111 op->o_log_prefix, buf, 0 );
114 /* FIXME: there might be cases where we don't want
115 * to map the error onto invalidCredentials */
116 switch ( rs->sr_err ) {
117 case LDAP_NO_SUCH_OBJECT:
118 case LDAP_UNWILLING_TO_PERFORM:
119 rs->sr_err = LDAP_INVALID_CREDENTIALS;
123 send_ldap_result( op, rs );
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 == 0 ) {
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;
192 /* FIXME: in some cases (e.g. unavailable)
193 * do not assume it's not candidate; rather
194 * mark this as an error to be eventually
195 * reported to client */
196 META_CANDIDATE_CLEAR( &candidates[ i ] );
201 /* must re-insert if local DN changed as result of bind */
202 if ( rc == LDAP_SUCCESS ) {
204 mc->mc_authz_target = META_BOUND_ALL;
205 ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
208 if ( !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) ) {
212 /* wait for all other ops to release the connection */
214 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
215 if ( mc->mc_refcnt > 1 ) {
216 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
217 ldap_pvt_thread_yield();
221 assert( mc->mc_refcnt == 1 );
222 #if META_BACK_PRINT_CONNTREE > 0
223 meta_back_print_conntree( mi, ">>> meta_back_bind" );
224 #endif /* META_BACK_PRINT_CONNTREE */
225 tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
226 meta_back_conndn_cmp );
227 assert( tmpmc == mc );
229 /* delete all cached connections with the current connection */
230 if ( LDAP_BACK_SINGLECONN( mi ) ) {
231 while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL )
233 Debug( LDAP_DEBUG_TRACE,
234 "=>meta_back_bind: destroying conn %ld (refcnt=%u)\n",
235 LDAP_BACK_PCONN_ID( mc ), mc->mc_refcnt, 0 );
237 if ( tmpmc->mc_refcnt != 0 ) {
239 LDAP_BACK_CONN_TAINTED_SET( tmpmc );
243 * Needs a test because the handler may be corrupted,
244 * and calling ldap_unbind on a corrupted header results
245 * in a segmentation fault
247 meta_back_conn_free( tmpmc );
252 ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
254 LDAP_BACK_CONN_ISPRIV_SET( mc );
255 LDAP_BACK_PCONN_SET( mc, op );
257 lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
258 meta_back_conndn_cmp, meta_back_conndn_dup );
259 #if META_BACK_PRINT_CONNTREE > 0
260 meta_back_print_conntree( mi, "<<< meta_back_bind" );
261 #endif /* META_BACK_PRINT_CONNTREE */
262 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
264 /* we can do this because mc_refcnt == 1 */
265 assert( mc->mc_refcnt == 1 );
267 meta_back_conn_free( mc );
274 meta_back_release_conn( op, mc );
278 * rc is LDAP_SUCCESS if at least one bind succeeded,
279 * err is the last error that occurred during a bind;
280 * if at least (and at most?) one bind succeeds, fine.
282 if ( rc != LDAP_SUCCESS ) {
285 * deal with bind failure ...
289 * no target was found within the naming context,
290 * so bind must fail with invalid credentials
292 if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
293 rs->sr_err = LDAP_INVALID_CREDENTIALS;
295 rs->sr_err = slap_map_api2result( rs );
297 send_ldap_result( op, rs );
306 meta_back_bind_op_result(
312 ldap_back_send_t sendok )
314 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
315 metatarget_t *mt = mi->mi_targets[ candidate ];
316 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
320 int nretries = mt->mt_nretries;
321 char buf[ SLAP_TEXT_BUFLEN ];
323 Debug( LDAP_DEBUG_TRACE,
324 ">>> %s meta_back_bind_op_result[%d]\n",
325 op->o_log_prefix, candidate, 0 );
327 if ( rs->sr_err == LDAP_SUCCESS ) {
328 time_t stoptime = (time_t)(-1),
330 int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
331 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
332 const char *timeout_text = "Operation timed out";
333 slap_op_t opidx = slap_req2op( op->o_tag );
335 /* since timeout is not specified, compute and use
336 * the one specific to the ongoing operation */
337 if ( opidx == LDAP_REQ_SEARCH ) {
338 if ( op->ors_tlimit <= 0 ) {
342 timeout = op->ors_tlimit;
343 timeout_err = LDAP_TIMELIMIT_EXCEEDED;
348 timeout = mt->mt_timeout[ opidx ];
351 /* better than nothing :) */
352 if ( timeout == 0 ) {
353 if ( mi->mi_idle_timeout ) {
354 timeout = mi->mi_idle_timeout;
356 } else if ( mi->mi_conn_ttl ) {
357 timeout = mi->mi_conn_ttl;
362 stoptime = op->o_time + timeout;
365 LDAP_BACK_TV_SET( &tv );
371 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
374 if ( nretries != META_RETRY_NEVER
375 || ( timeout && slap_get_time() <= stoptime ) )
377 ldap_pvt_thread_yield();
378 if ( nretries > 0 ) {
381 tv = mt->mt_bind_timeout;
385 /* don't let anyone else use this handler,
386 * because there's a pending bind that will not
388 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
389 assert( LDAP_BACK_CONN_BINDING( msc ) );
392 Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind_op_result ldap_unbind_ext[%d] ld=%p\n",
393 op->o_log_prefix, candidate, (void *)msc->msc_ld );
394 #endif /* DEBUG_205 */
396 meta_clear_one_candidate( op, mc, candidate );
397 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
399 rs->sr_err = timeout_err;
400 rs->sr_text = timeout_text;
404 ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
407 snprintf( buf, sizeof( buf ),
408 "err=%d (%s) nretries=%d",
409 rs->sr_err, ldap_err2string( rs->sr_err ), nretries );
410 Debug( LDAP_DEBUG_ANY,
411 "### %s meta_back_bind_op_result[%d]: %s.\n",
412 op->o_log_prefix, candidate, buf );
416 /* only touch when activity actually took place... */
417 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
418 msc->msc_time = op->o_time;
421 /* FIXME: matched? referrals? response controls? */
422 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
423 NULL, NULL, NULL, NULL, 1 );
424 if ( rc != LDAP_SUCCESS ) {
431 rs->sr_err = slap_map_api2result( rs );
433 Debug( LDAP_DEBUG_TRACE,
434 "<<< %s meta_back_bind_op_result[%d] err=%d\n",
435 op->o_log_prefix, candidate, rs->sr_err );
441 * meta_back_single_bind
443 * attempts to perform a bind with creds
446 meta_back_single_bind(
452 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
453 metatarget_t *mt = mi->mi_targets[ candidate ];
454 struct berval mdn = BER_BVNULL;
455 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
459 if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
460 ch_free( msc->msc_bound_ndn.bv_val );
461 BER_BVZERO( &msc->msc_bound_ndn );
464 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
465 /* destroy sensitive data */
466 memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
467 ch_free( msc->msc_cred.bv_val );
468 BER_BVZERO( &msc->msc_cred );
472 * Rewrite the bind dn if needed
475 dc.conn = op->o_conn;
479 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
480 rs->sr_text = "DN rewrite error";
481 rs->sr_err = LDAP_OTHER;
485 /* FIXME: this fixes the bind problem right now; we need
486 * to use the asynchronous version to get the "matched"
487 * and more in case of failure ... */
488 /* FIXME: should we check if at least some of the op->o_ctrls
489 * can/should be passed? */
490 rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
491 LDAP_SASL_SIMPLE, &op->orb_cred,
492 op->o_ctrls, NULL, &msgid );
493 meta_back_bind_op_result( op, rs, mc, candidate, msgid, LDAP_BACK_DONTSEND );
494 if ( rs->sr_err != LDAP_SUCCESS ) {
498 /* If defined, proxyAuthz will be used also when
499 * back-ldap is the authorizing backend; for this
500 * purpose, a successful bind is followed by a
501 * bind with the configured identity assertion */
502 /* NOTE: use with care */
503 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
504 meta_back_proxy_authz_bind( mc, candidate, op, rs, LDAP_BACK_SENDERR );
505 if ( !LDAP_BACK_CONN_ISBOUND( msc ) ) {
511 ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_ndn );
512 LDAP_BACK_CONN_ISBOUND_SET( msc );
513 mc->mc_authz_target = candidate;
515 if ( LDAP_BACK_SAVECRED( mi ) ) {
516 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
517 memset( msc->msc_cred.bv_val, 0,
518 msc->msc_cred.bv_len );
520 ber_bvreplace( &msc->msc_cred, &op->orb_cred );
521 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
525 if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
526 && !BER_BVISEMPTY( &op->o_req_ndn ) )
528 ( void )meta_dncache_update_entry( &mi->mi_cache,
529 &op->o_req_ndn, candidate );
533 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
537 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
538 meta_back_quarantine( op, rs, candidate );
545 * meta_back_single_dobind
548 meta_back_single_dobind(
553 ldap_back_send_t sendok,
557 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
558 metatarget_t *mt = mi->mi_targets[ candidate ];
559 metaconn_t *mc = *mcp;
560 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
561 static struct berval cred = BER_BVC( "" );
564 assert( !LDAP_BACK_CONN_ISBOUND( msc ) );
566 /* NOTE: this obsoletes pseudorootdn */
567 if ( op->o_conn != NULL &&
568 !op->o_do_not_cache &&
569 ( BER_BVISNULL( &msc->msc_bound_ndn ) ||
570 BER_BVISEMPTY( &msc->msc_bound_ndn ) ||
571 ( LDAP_BACK_CONN_ISPRIV( mc ) && dn_match( &msc->msc_bound_ndn, &mt->mt_idassert_authcDN ) ) ||
572 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) )
574 (void)meta_back_proxy_authz_bind( mc, candidate, op, rs, sendok );
578 /* FIXME: should we check if at least some of the op->o_ctrls
579 * can/should be passed? */
580 rs->sr_err = ldap_sasl_bind( msc->msc_ld,
581 "", LDAP_SASL_SIMPLE, &cred,
582 NULL, NULL, &msgid );
583 rs->sr_err = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
586 if ( rs->sr_err != LDAP_SUCCESS ) {
588 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
590 LDAP_BACK_CONN_BINDING_CLEAR( msc );
591 if ( META_BACK_ONERR_STOP( mi ) ) {
592 LDAP_BACK_CONN_TAINTED_SET( mc );
593 meta_back_release_conn_lock( op, mc, 0 );
597 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
601 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
602 meta_back_quarantine( op, rs, candidate );
616 ldap_back_send_t sendok )
618 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
624 SlapReply *candidates = meta_back_candidates_get( op );
626 if ( be_isroot( op ) ) {
630 Debug( LDAP_DEBUG_TRACE,
631 "%s meta_back_dobind: conn=%ld%s\n",
633 LDAP_BACK_PCONN_ID( mc ),
634 isroot ? " (isroot)" : "" );
637 * all the targets are bound as pseudoroot
639 if ( mc->mc_authz_target == META_BOUND_ALL ) {
644 for ( i = 0; i < mi->mi_ntargets; i++ ) {
645 metatarget_t *mt = mi->mi_targets[ i ];
646 metasingleconn_t *msc = &mc->mc_conns[ i ];
652 if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
656 assert( msc->msc_ld != NULL );
659 * If the target is already bound it is skipped
663 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
664 if ( LDAP_BACK_CONN_ISBOUND( msc )
665 || ( LDAP_BACK_CONN_ISANON( msc )
666 && mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
668 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
672 } else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) )
674 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
675 ldap_pvt_thread_yield();
680 LDAP_BACK_CONN_BINDING_SET( msc );
681 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
683 rc = meta_back_single_dobind( op, rs, &mc, i,
684 LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
686 * NOTE: meta_back_single_dobind() already retries;
687 * in case of failure, it resets mc...
689 if ( rc != LDAP_SUCCESS ) {
690 char buf[ SLAP_TEXT_BUFLEN ];
693 /* meta_back_single_dobind() already sent
694 * response and released connection */
699 if ( rc == LDAP_UNAVAILABLE ) {
700 /* FIXME: meta_back_retry() already re-calls
701 * meta_back_single_dobind() */
702 if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
707 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
708 LDAP_BACK_CONN_BINDING_CLEAR( msc );
709 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
710 meta_back_release_conn( op, mc );
716 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
717 LDAP_BACK_CONN_BINDING_CLEAR( msc );
718 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
720 snprintf( buf, sizeof( buf ),
721 "meta_back_dobind[%d]: (%s) err=%d (%s).",
722 i, isroot ? op->o_bd->be_rootdn.bv_val : "anonymous",
723 rc, ldap_err2string( rc ) );
724 Debug( LDAP_DEBUG_ANY,
726 op->o_log_prefix, buf, 0 );
729 * null cred bind should always succeed
730 * as anonymous, so a failure means
731 * the target is no longer candidate possibly
732 * due to technical reasons (remote host down?)
733 * so better clear the handle
735 /* leave the target candidate, but record the error for later use */
736 candidates[ i ].sr_err = rc;
737 if ( META_BACK_ONERR_STOP( mi ) ) {
746 Debug( LDAP_DEBUG_TRACE,
747 "%s meta_back_dobind[%d]: "
750 isroot ? op->o_bd->be_rootdn.bv_val : "anonymous" );
752 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
753 LDAP_BACK_CONN_BINDING_CLEAR( msc );
755 LDAP_BACK_CONN_ISBOUND_SET( msc );
757 LDAP_BACK_CONN_ISANON_SET( msc );
759 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
764 Debug( LDAP_DEBUG_TRACE,
765 "%s meta_back_dobind: conn=%ld bound=%d\n",
766 op->o_log_prefix, LDAP_BACK_PCONN_ID( mc ), bound );
769 meta_back_release_conn( op, mc );
772 if ( sendok & LDAP_BACK_SENDERR ) {
773 if ( rs->sr_err == LDAP_SUCCESS ) {
774 rs->sr_err = LDAP_BUSY;
776 send_ldap_result( op, rs );
782 return ( bound > 0 );
786 * meta_back_default_rebind
788 * This is a callback used for chasing referrals using the same
789 * credentials as the original user on this session.
792 meta_back_default_rebind(
794 LDAP_CONST char *url,
799 metasingleconn_t *msc = ( metasingleconn_t * )params;
801 return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
802 LDAP_SASL_SIMPLE, &msc->msc_cred,
813 ldap_back_send_t sendok )
815 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
817 metatarget_t *mt = mi->mi_targets[ candidate ];
818 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
822 Debug( LDAP_DEBUG_TRACE, ">>> %s meta_back_cancel[%d] msgid=%d\n",
823 op->o_log_prefix, candidate, msgid );
825 /* default behavior */
826 if ( META_BACK_TGT_ABANDON( mt ) ) {
827 rc = ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
829 } else if ( META_BACK_TGT_CANCEL( mt ) ) {
830 rc = ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
836 Debug( LDAP_DEBUG_TRACE, "<<< %s meta_back_cancel[%d] err=%d\n",
837 op->o_log_prefix, candidate, rc );
845 * FIXME: error return must be handled in a cleaner way ...
855 ldap_back_send_t sendok )
857 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
859 const char *save_text = rs->sr_text,
860 *save_matched = rs->sr_matched;
861 BerVarray save_ref = rs->sr_ref;
862 LDAPControl **save_ctrls = rs->sr_ctrls;
863 void *matched_ctx = NULL;
865 char *matched = NULL;
868 LDAPControl **ctrls = NULL;
870 assert( mc != NULL );
873 rs->sr_matched = NULL;
877 if ( candidate != META_TARGET_NONE ) {
878 metatarget_t *mt = mi->mi_targets[ candidate ];
879 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
881 #define ERR_OK(err) ((err) == LDAP_SUCCESS || (err) == LDAP_COMPARE_FALSE || (err) == LDAP_COMPARE_TRUE)
883 if ( ERR_OK( rs->sr_err ) ) {
886 LDAPMessage *res = NULL;
887 time_t stoptime = (time_t)(-1);
888 int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
889 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
890 const char *timeout_text = "Operation timed out";
892 /* if timeout is not specified, compute and use
893 * the one specific to the ongoing operation */
894 if ( timeout == (time_t)(-1) ) {
895 slap_op_t opidx = slap_req2op( op->o_tag );
897 if ( opidx == SLAP_OP_SEARCH ) {
898 if ( op->ors_tlimit <= 0 ) {
902 timeout = op->ors_tlimit;
903 timeout_err = LDAP_TIMELIMIT_EXCEEDED;
908 timeout = mt->mt_timeout[ opidx ];
912 /* better than nothing :) */
913 if ( timeout == 0 ) {
914 if ( mi->mi_idle_timeout ) {
915 timeout = mi->mi_idle_timeout;
917 } else if ( mi->mi_conn_ttl ) {
918 timeout = mi->mi_conn_ttl;
923 stoptime = op->o_time + timeout;
926 LDAP_BACK_TV_SET( &tv );
929 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
932 if ( timeout && slap_get_time() > stoptime ) {
933 (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
934 rs->sr_err = timeout_err;
935 rs->sr_text = timeout_text;
939 LDAP_BACK_TV_SET( &tv );
940 ldap_pvt_thread_yield();
944 ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
949 /* otherwise get the result; if it is not
950 * LDAP_SUCCESS, record it in the reply
951 * structure (this includes
952 * LDAP_COMPARE_{TRUE|FALSE}) */
954 /* only touch when activity actually took place... */
955 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
956 msc->msc_time = op->o_time;
959 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
960 &matched, &text, &refs, &ctrls, 1 );
963 if ( rc != LDAP_SUCCESS ) {
966 if ( refs != NULL ) {
969 for ( i = 0; refs[ i ] != NULL; i++ )
971 rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
973 for ( i = 0; refs[ i ] != NULL; i++ ) {
974 ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
976 BER_BVZERO( &rs->sr_ref[ i ] );
978 if ( ctrls != NULL ) {
979 rs->sr_ctrls = ctrls;
983 assert( res == NULL );
986 /* if the error in the reply structure is not
987 * LDAP_SUCCESS, try to map it from client
989 if ( !ERR_OK( rs->sr_err ) ) {
990 rs->sr_err = slap_map_api2result( rs );
992 /* internal ops ( op->o_conn == NULL )
993 * must not reply to client */
994 if ( op->o_conn && !op->o_do_not_cache && matched ) {
996 /* record the (massaged) matched
997 * DN into the reply structure */
998 rs->sr_matched = matched;
1002 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
1003 meta_back_quarantine( op, rs, candidate );
1010 for ( i = 0; i < mi->mi_ntargets; i++ ) {
1011 metasingleconn_t *msc = &mc->mc_conns[ i ];
1013 char *xmatched = NULL;
1015 rs->sr_err = LDAP_SUCCESS;
1017 ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
1018 if ( rs->sr_err != LDAP_SUCCESS ) {
1020 * better check the type of error. In some cases
1021 * (search ?) it might be better to return a
1022 * success if at least one of the targets gave
1023 * positive result ...
1025 ldap_get_option( msc->msc_ld,
1026 LDAP_OPT_ERROR_STRING, &xtext );
1027 if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
1028 ldap_memfree( xtext );
1032 ldap_get_option( msc->msc_ld,
1033 LDAP_OPT_MATCHED_DN, &xmatched );
1034 if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
1035 ldap_memfree( xmatched );
1039 rs->sr_err = slap_map_api2result( rs );
1041 if ( StatslogTest( LDAP_DEBUG_ANY ) ) {
1042 char buf[ SLAP_TEXT_BUFLEN ];
1044 snprintf( buf, sizeof( buf ),
1045 "meta_back_op_result[%d] "
1046 "err=%d text=\"%s\" matched=\"%s\"",
1048 ( xtext ? xtext : "" ),
1049 ( xmatched ? xmatched : "" ) );
1050 Debug( LDAP_DEBUG_ANY, "%s %s.\n",
1051 op->o_log_prefix, buf, 0 );
1055 * FIXME: need to rewrite "match" (need rwinfo)
1057 switch ( rs->sr_err ) {
1060 if ( xtext != NULL ) {
1062 ldap_memfree( text );
1067 if ( xmatched != NULL ) {
1069 ldap_memfree( matched );
1078 ldap_memfree( xtext );
1082 ldap_memfree( xmatched );
1086 if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) {
1087 meta_back_quarantine( op, rs, i );
1091 if ( err != LDAP_SUCCESS ) {
1096 if ( matched != NULL ) {
1097 struct berval dn, pdn;
1099 ber_str2bv( matched, 0, 0, &dn );
1100 if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
1101 ldap_memfree( matched );
1102 matched_ctx = op->o_tmpmemctx;
1103 matched = pdn.bv_val;
1105 rs->sr_matched = matched;
1109 ( ( sendok & LDAP_BACK_SENDOK )
1110 || ( ( sendok & LDAP_BACK_SENDERR ) && rs->sr_err != LDAP_SUCCESS ) ) )
1112 send_ldap_result( op, rs );
1115 op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
1118 ldap_memfree( text );
1121 assert( refs != NULL );
1122 ber_memvfree( (void **)refs );
1123 op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
1126 assert( rs->sr_ctrls != NULL );
1127 ldap_controls_free( ctrls );
1130 rs->sr_text = save_text;
1131 rs->sr_matched = save_matched;
1132 rs->sr_ref = save_ref;
1133 rs->sr_ctrls = save_ctrls;
1135 return( ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
1139 * meta_back_proxy_authz_cred()
1141 * prepares credentials & method for meta_back_proxy_authz_bind();
1142 * or, if method is SASL, performs the SASL bind directly.
1145 meta_back_proxy_authz_cred(
1150 ldap_back_send_t sendok,
1151 struct berval *binddn,
1152 struct berval *bindcred,
1155 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1156 metatarget_t *mt = mi->mi_targets[ candidate ];
1157 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1161 /* don't proxyAuthz if protocol is not LDAPv3 */
1162 switch ( mt->mt_version ) {
1167 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1173 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1174 if ( sendok & LDAP_BACK_SENDERR ) {
1175 send_ldap_result( op, rs );
1177 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1181 if ( op->o_tag == LDAP_REQ_BIND ) {
1182 ndn = op->o_req_ndn;
1184 } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
1185 ndn = op->o_conn->c_ndn;
1192 * FIXME: we need to let clients use proxyAuthz
1193 * otherwise we cannot do symmetric pools of servers;
1194 * we have to live with the fact that a user can
1195 * authorize itself as any ID that is allowed
1196 * by the authzTo directive of the "proxyauthzdn".
1199 * NOTE: current Proxy Authorization specification
1200 * and implementation do not allow proxy authorization
1201 * control to be provided with Bind requests
1204 * if no bind took place yet, but the connection is bound
1205 * and the "proxyauthzdn" is set, then bind as
1206 * "proxyauthzdn" and explicitly add the proxyAuthz
1207 * control to every operation with the dn bound
1208 * to the connection as control value.
1211 /* bind as proxyauthzdn only if no idassert mode
1212 * is requested, or if the client's identity
1214 switch ( mt->mt_idassert_mode ) {
1215 case LDAP_BACK_IDASSERT_LEGACY:
1216 if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
1217 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) && !BER_BVISEMPTY( &mt->mt_idassert_authcDN ) )
1219 *binddn = mt->mt_idassert_authcDN;
1220 *bindcred = mt->mt_idassert_passwd;
1227 /* NOTE: rootdn can always idassert */
1228 if ( BER_BVISNULL( &ndn ) && mt->mt_idassert_authz == NULL ) {
1229 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1230 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
1231 if ( sendok & LDAP_BACK_SENDERR ) {
1232 send_ldap_result( op, rs );
1234 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1237 rs->sr_err = LDAP_SUCCESS;
1238 *binddn = slap_empty_bv;
1239 *bindcred = slap_empty_bv;
1245 } else if ( mt->mt_idassert_authz && !be_isroot( op ) ) {
1246 struct berval authcDN;
1248 if ( BER_BVISNULL( &ndn ) ) {
1249 authcDN = slap_empty_bv;
1254 rs->sr_err = slap_sasl_matches( op, mt->mt_idassert_authz,
1255 &authcDN, &authcDN );
1256 if ( rs->sr_err != LDAP_SUCCESS ) {
1257 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1258 if ( sendok & LDAP_BACK_SENDERR ) {
1259 send_ldap_result( op, rs );
1261 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1264 rs->sr_err = LDAP_SUCCESS;
1265 *binddn = slap_empty_bv;
1266 *bindcred = slap_empty_bv;
1274 *binddn = mt->mt_idassert_authcDN;
1275 *bindcred = mt->mt_idassert_passwd;
1280 if ( dobind && mt->mt_idassert_authmethod == LDAP_AUTH_SASL ) {
1281 #ifdef HAVE_CYRUS_SASL
1282 void *defaults = NULL;
1283 struct berval authzID = BER_BVNULL;
1286 /* if SASL supports native authz, prepare for it */
1287 if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
1288 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
1290 switch ( mt->mt_idassert_mode ) {
1291 case LDAP_BACK_IDASSERT_OTHERID:
1292 case LDAP_BACK_IDASSERT_OTHERDN:
1293 authzID = mt->mt_idassert_authzID;
1296 case LDAP_BACK_IDASSERT_ANONYMOUS:
1297 BER_BVSTR( &authzID, "dn:" );
1300 case LDAP_BACK_IDASSERT_SELF:
1301 if ( BER_BVISNULL( &ndn ) ) {
1302 /* connection is not authc'd, so don't idassert */
1303 BER_BVSTR( &authzID, "dn:" );
1306 authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1307 authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
1308 AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1309 AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
1310 ndn.bv_val, ndn.bv_len + 1 );
1319 if ( mt->mt_idassert_secprops != NULL ) {
1320 rs->sr_err = ldap_set_option( msc->msc_ld,
1321 LDAP_OPT_X_SASL_SECPROPS,
1322 (void *)mt->mt_idassert_secprops );
1324 if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
1325 rs->sr_err = LDAP_OTHER;
1326 if ( sendok & LDAP_BACK_SENDERR ) {
1327 send_ldap_result( op, rs );
1329 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1334 defaults = lutil_sasl_defaults( msc->msc_ld,
1335 mt->mt_idassert_sasl_mech.bv_val,
1336 mt->mt_idassert_sasl_realm.bv_val,
1337 mt->mt_idassert_authcID.bv_val,
1338 mt->mt_idassert_passwd.bv_val,
1341 rs->sr_err = ldap_sasl_interactive_bind_s( msc->msc_ld, binddn->bv_val,
1342 mt->mt_idassert_sasl_mech.bv_val, NULL, NULL,
1343 LDAP_SASL_QUIET, lutil_sasl_interact,
1346 rs->sr_err = slap_map_api2result( rs );
1347 if ( rs->sr_err != LDAP_SUCCESS ) {
1348 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1349 if ( sendok & LDAP_BACK_SENDERR ) {
1350 send_ldap_result( op, rs );
1354 LDAP_BACK_CONN_ISBOUND_SET( msc );
1357 lutil_sasl_freedefs( defaults );
1359 slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
1363 #endif /* HAVE_CYRUS_SASL */
1366 *method = mt->mt_idassert_authmethod;
1367 switch ( mt->mt_idassert_authmethod ) {
1368 case LDAP_AUTH_NONE:
1369 BER_BVSTR( binddn, "" );
1370 BER_BVSTR( bindcred, "" );
1373 case LDAP_AUTH_SIMPLE:
1378 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1379 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
1380 if ( sendok & LDAP_BACK_SENDERR ) {
1381 send_ldap_result( op, rs );
1391 meta_back_proxy_authz_bind( metaconn_t *mc, int candidate, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
1393 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1394 metatarget_t *mt = mi->mi_targets[ candidate ];
1395 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1396 struct berval binddn = BER_BVC( "" ),
1397 cred = BER_BVC( "" );
1398 int method = LDAP_AUTH_NONE,
1401 rc = meta_back_proxy_authz_cred( mc, candidate, op, rs, sendok, &binddn, &cred, &method );
1402 if ( rc == LDAP_SUCCESS && !LDAP_BACK_CONN_ISBOUND( msc ) ) {
1406 case LDAP_AUTH_NONE:
1407 case LDAP_AUTH_SIMPLE:
1408 rs->sr_err = ldap_sasl_bind( msc->msc_ld,
1409 binddn.bv_val, LDAP_SASL_SIMPLE,
1410 &cred, NULL, NULL, &msgid );
1411 rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
1412 if ( rc == LDAP_SUCCESS ) {
1413 /* set rebind stuff in case of successful proxyAuthz bind,
1414 * so that referral chasing is attempted using the right
1416 LDAP_BACK_CONN_ISBOUND_SET( msc );
1417 ber_bvreplace( &msc->msc_bound_ndn, &binddn );
1419 if ( LDAP_BACK_SAVECRED( mi ) ) {
1420 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
1421 memset( msc->msc_cred.bv_val, 0,
1422 msc->msc_cred.bv_len );
1424 ber_bvreplace( &msc->msc_cred, &cred );
1425 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
1436 return LDAP_BACK_CONN_ISBOUND( msc );