2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2006 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"
37 #include "lutil_ldap.h"
40 meta_back_proxy_authz_bind(
45 ldap_back_send_t sendok );
48 meta_back_single_bind(
55 meta_back_bind( Operation *op, SlapReply *rs )
57 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
58 metaconn_t *mc = NULL;
65 SlapReply *candidates = meta_back_candidates_get( op );
67 rs->sr_err = LDAP_SUCCESS;
69 Debug( LDAP_DEBUG_ARGS, "%s meta_back_bind: dn=\"%s\".\n",
70 op->o_log_prefix, op->o_req_dn.bv_val, 0 );
72 /* the test on the bind method should be superfluous */
73 if ( op->orb_method == LDAP_AUTH_SIMPLE
74 && be_isroot_dn( op->o_bd, &op->o_req_ndn ) )
76 if ( !be_isroot_pw( op ) ) {
77 rs->sr_err = LDAP_INVALID_CREDENTIALS;
79 send_ldap_result( op, rs );
83 if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) {
84 rs->sr_err = LDAP_SUCCESS;
86 /* frontend will return success */
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 );
126 * Each target is scanned ...
128 mc->mc_authz_target = META_BOUND_NONE;
129 for ( i = 0; i < mi->mi_ntargets; i++ ) {
130 metatarget_t *mt = mi->mi_targets[ i ];
134 * Skip non-candidates
136 if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
141 /* set rc to LDAP_SUCCESS only if at least
142 * one candidate has been tried */
146 } else if ( isroot == 0 ) {
148 * A bind operation is expected to have
149 * ONE CANDIDATE ONLY!
151 Debug( LDAP_DEBUG_ANY,
152 "### %s meta_back_bind: more than one"
153 " candidate selected...\n",
154 op->o_log_prefix, 0, 0 );
158 if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE
159 || BER_BVISNULL( &mt->mt_idassert_authcDN ) )
161 metasingleconn_t *msc = &mc->mc_conns[ i ];
163 /* skip the target if no pseudorootdn is provided */
164 if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
165 ch_free( msc->msc_bound_ndn.bv_val );
166 BER_BVZERO( &msc->msc_bound_ndn );
169 if ( LDAP_BACK_SAVECRED( mi ) &&
170 !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 tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
223 meta_back_conndn_cmp );
224 assert( tmpmc == mc );
226 /* delete all cached connections with the current connection */
227 if ( LDAP_BACK_SINGLECONN( mi ) ) {
228 while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL )
230 Debug( LDAP_DEBUG_TRACE,
231 "=>meta_back_bind: destroying conn %ld (refcnt=%u)\n",
232 LDAP_BACK_PCONN_ID( mc->mc_conn ), mc->mc_refcnt, 0 );
234 if ( tmpmc->mc_refcnt != 0 ) {
236 LDAP_BACK_CONN_TAINTED_SET( tmpmc );
240 * Needs a test because the handler may be corrupted,
241 * and calling ldap_unbind on a corrupted header results
242 * in a segmentation fault
244 meta_back_conn_free( tmpmc );
249 ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
251 mc->mc_conn = LDAP_BACK_PCONN_SET( op );
253 lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
254 meta_back_conndn_cmp, meta_back_conndn_dup );
255 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
257 meta_clear_candidates( op, mc );
259 /* we can do this because mc_refcnt == 1 */
261 meta_back_conn_free( mc );
268 meta_back_release_conn( op, mc );
272 * rc is LDAP_SUCCESS if at least one bind succeeded,
273 * err is the last error that occurred during a bind;
274 * if at least (and at most?) one bind succeeds, fine.
276 if ( rc != LDAP_SUCCESS ) {
279 * deal with bind failure ...
283 * no target was found within the naming context,
284 * so bind must fail with invalid credentials
286 if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
287 rs->sr_err = LDAP_INVALID_CREDENTIALS;
289 rs->sr_err = slap_map_api2result( rs );
291 send_ldap_result( op, rs );
300 meta_back_bind_op_result(
306 ldap_back_send_t sendok )
308 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
309 metatarget_t *mt = mi->mi_targets[ candidate ];
310 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
314 int nretries = mt->mt_nretries;
315 char buf[ SLAP_TEXT_BUFLEN ];
317 Debug( LDAP_DEBUG_TRACE,
318 ">>> %s meta_back_bind_op_result[%d]\n",
319 op->o_log_prefix, candidate, 0 );
321 if ( rs->sr_err == LDAP_SUCCESS ) {
322 LDAP_BACK_TV_SET( &tv );
328 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
331 Debug( LDAP_DEBUG_ANY,
332 "%s meta_back_bind_op_result[%d]: ldap_result=0 nretries=%d.\n",
333 op->o_log_prefix, candidate, nretries );
335 if ( nretries != META_RETRY_NEVER ) {
336 ldap_pvt_thread_yield();
337 if ( nretries > 0 ) {
340 tv = mt->mt_bind_timeout;
344 /* FIXME: binds cannot be abandoned */
345 /* don't let anyone else use this handler,
346 * because there's a pending bind that will not
348 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
349 ldap_unbind_ext( msc->msc_ld, NULL, NULL );
351 rs->sr_err = LDAP_BUSY;
352 LDAP_BACK_CONN_BINDING_CLEAR( msc );
353 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
357 ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER,
360 snprintf( buf, sizeof( buf ),
361 "err=%d (%s) nretries=%d",
362 rs->sr_err, ldap_err2string( rs->sr_err ), nretries );
363 Debug( LDAP_DEBUG_ANY,
364 "### %s meta_back_bind_op_result[%d]: %s.\n",
365 op->o_log_prefix, candidate, buf );
369 /* only touch when activity actually took place... */
370 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
371 msc->msc_time = op->o_time;
374 /* FIXME: matched? referrals? response controls? */
375 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
376 NULL, NULL, NULL, NULL, 1 );
377 if ( rc != LDAP_SUCCESS ) {
384 rs->sr_err = slap_map_api2result( rs );
386 Debug( LDAP_DEBUG_TRACE,
387 "<<< %s meta_back_bind_op_result[%d] err=%d\n",
388 op->o_log_prefix, candidate, rs->sr_err );
394 * meta_back_single_bind
396 * attempts to perform a bind with creds
399 meta_back_single_bind(
405 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
406 metatarget_t *mt = mi->mi_targets[ candidate ];
407 struct berval mdn = BER_BVNULL;
408 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
412 if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
413 ch_free( msc->msc_bound_ndn.bv_val );
414 BER_BVZERO( &msc->msc_bound_ndn );
417 if ( LDAP_BACK_SAVECRED( mi ) && !BER_BVISNULL( &msc->msc_cred ) ) {
418 /* destroy sensitive data */
419 memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
420 ch_free( msc->msc_cred.bv_val );
421 BER_BVZERO( &msc->msc_cred );
425 * Rewrite the bind dn if needed
428 dc.conn = op->o_conn;
432 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
433 rs->sr_text = "DN rewrite error";
434 rs->sr_err = LDAP_OTHER;
438 /* FIXME: this fixes the bind problem right now; we need
439 * to use the asynchronous version to get the "matched"
440 * and more in case of failure ... */
441 /* FIXME: should we check if at least some of the op->o_ctrls
442 * can/should be passed? */
443 rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
444 LDAP_SASL_SIMPLE, &op->orb_cred,
445 op->o_ctrls, NULL, &msgid );
446 meta_back_bind_op_result( op, rs, mc, candidate, msgid, LDAP_BACK_DONTSEND );
447 if ( rs->sr_err != LDAP_SUCCESS ) {
451 /* If defined, proxyAuthz will be used also when
452 * back-ldap is the authorizing backend; for this
453 * purpose, a successful bind is followed by a
454 * bind with the configured identity assertion */
455 /* NOTE: use with care */
456 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
457 meta_back_proxy_authz_bind( mc, candidate, op, rs, LDAP_BACK_SENDERR );
458 if ( !LDAP_BACK_CONN_ISBOUND( msc ) ) {
464 ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_ndn );
465 LDAP_BACK_CONN_ISBOUND_SET( msc );
466 mc->mc_authz_target = candidate;
468 if ( LDAP_BACK_SAVECRED( mi ) ) {
469 ber_bvreplace( &msc->msc_cred, &op->orb_cred );
470 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
474 if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
475 && !BER_BVISEMPTY( &op->o_req_ndn ) )
477 ( void )meta_dncache_update_entry( &mi->mi_cache,
478 &op->o_req_ndn, candidate );
482 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
486 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
487 meta_back_quarantine( op, rs, candidate );
494 * meta_back_single_dobind
497 meta_back_single_dobind(
502 ldap_back_send_t sendok,
506 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
507 metatarget_t *mt = mi->mi_targets[ candidate ];
508 metaconn_t *mc = *mcp;
509 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
511 static struct berval cred = BER_BVC( "" );
514 assert( !LDAP_BACK_CONN_ISBOUND( msc ) );
516 /* NOTE: this obsoletes pseudorootdn */
517 if ( op->o_conn != NULL &&
518 !op->o_do_not_cache &&
519 ( BER_BVISNULL( &msc->msc_bound_ndn ) ||
520 BER_BVISEMPTY( &msc->msc_bound_ndn ) ||
521 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) )
523 (void)meta_back_proxy_authz_bind( mc, candidate, op, rs, sendok );
528 /* FIXME: should we check if at least some of the op->o_ctrls
529 * can/should be passed? */
530 rs->sr_err = ldap_sasl_bind( msc->msc_ld, "", LDAP_SASL_SIMPLE, &cred,
531 NULL, NULL, &msgid );
532 rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
536 if ( rc != LDAP_SUCCESS ) {
538 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
540 LDAP_BACK_CONN_BINDING_CLEAR( msc );
541 if ( META_BACK_ONERR_STOP( mi ) ) {
542 LDAP_BACK_CONN_TAINTED_SET( mc );
543 meta_back_release_conn_lock( op, mc, 0 );
547 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
550 if ( META_BACK_ONERR_STOP( mi ) && ( sendok & LDAP_BACK_SENDERR ) ) {
551 send_ldap_result( op, rs );
555 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
556 meta_back_quarantine( op, rs, candidate );
570 ldap_back_send_t sendok )
572 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
578 SlapReply *candidates = meta_back_candidates_get( op );
580 if ( be_isroot( op ) ) {
584 Debug( LDAP_DEBUG_TRACE,
585 "%s meta_back_dobind: conn=%ld%s\n",
587 LDAP_BACK_PCONN_ID( mc->mc_conn ),
588 isroot ? " (isroot)" : "" );
591 * all the targets are bound as pseudoroot
593 if ( mc->mc_authz_target == META_BOUND_ALL ) {
598 for ( i = 0; i < mi->mi_ntargets; i++ ) {
599 metatarget_t *mt = mi->mi_targets[ i ];
600 metasingleconn_t *msc = &mc->mc_conns[ i ];
606 if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
610 assert( msc->msc_ld != NULL );
613 * If the target is already bound it is skipped
617 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
618 if ( LDAP_BACK_CONN_ISBOUND( msc )
619 || ( LDAP_BACK_CONN_ISANON( msc )
620 && mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
622 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
626 } else if ( LDAP_BACK_CONN_BINDING( msc ) ) {
627 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
628 ldap_pvt_thread_yield();
633 LDAP_BACK_CONN_BINDING_SET( msc );
634 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
636 rc = meta_back_single_dobind( op, rs, &mc, i,
637 LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
639 * NOTE: meta_back_single_dobind() already retries;
640 * in case of failure, it resets mc...
642 if ( rc != LDAP_SUCCESS ) {
643 char buf[ SLAP_TEXT_BUFLEN ];
646 /* meta_back_single_dobind() already sent
647 * response and released connection */
652 if ( rc == LDAP_UNAVAILABLE ) {
653 /* FIXME: meta_back_retry() already calls
654 * meta_back_single_dobind() */
655 if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
660 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
661 LDAP_BACK_CONN_BINDING_CLEAR( msc );
662 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
668 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
669 LDAP_BACK_CONN_BINDING_CLEAR( msc );
670 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
672 snprintf( buf, sizeof( buf ),
673 "meta_back_dobind[%d]: (%s) err=%d (%s).",
674 i, isroot ? op->o_bd->be_rootdn.bv_val : "anonymous",
675 rc, ldap_err2string( rc ) );
676 Debug( LDAP_DEBUG_ANY,
678 op->o_log_prefix, buf, 0 );
681 * null cred bind should always succeed
682 * as anonymous, so a failure means
683 * the target is no longer candidate possibly
684 * due to technical reasons (remote host down?)
685 * so better clear the handle
687 /* leave the target candidate, but record the error for later use */
688 candidates[ i ].sr_err = rc;
689 if ( META_BACK_ONERR_STOP( mi ) ) {
698 Debug( LDAP_DEBUG_TRACE,
699 "%s meta_back_dobind[%d]: "
702 isroot ? op->o_bd->be_rootdn.bv_val : "anonymous" );
704 ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
705 LDAP_BACK_CONN_BINDING_CLEAR( msc );
707 LDAP_BACK_CONN_ISBOUND_SET( msc );
709 LDAP_BACK_CONN_ISANON_SET( msc );
711 ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
716 Debug( LDAP_DEBUG_TRACE,
717 "%s meta_back_dobind: conn=%ld bound=%d\n",
718 op->o_log_prefix, LDAP_BACK_PCONN_ID( mc->mc_conn ), bound );
721 meta_back_release_conn( op, mc );
724 if ( sendok & LDAP_BACK_SENDERR ) {
725 if ( rs->sr_err == LDAP_SUCCESS ) {
726 rs->sr_err = LDAP_BUSY;
728 send_ldap_result( op, rs );
734 return ( bound > 0 );
738 * meta_back_default_rebind
740 * This is a callback used for chasing referrals using the same
741 * credentials as the original user on this session.
744 meta_back_default_rebind(
746 LDAP_CONST char *url,
751 metasingleconn_t *msc = ( metasingleconn_t * )params;
753 return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
754 LDAP_SASL_SIMPLE, &msc->msc_cred,
759 * meta_back_default_urllist
761 * This is a callback used for mucking with the urllist
764 meta_back_default_urllist(
766 LDAPURLDesc **urllist,
770 metatarget_t *mt = (metatarget_t *)params;
771 LDAPURLDesc **urltail;
773 if ( urllist == url ) {
777 for ( urltail = &(*url)->lud_next; *urltail; urltail = &(*urltail)->lud_next )
784 ldap_pvt_thread_mutex_lock( &mt->mt_uri_mutex );
786 ch_free( mt->mt_uri );
789 ldap_get_option( ld, LDAP_OPT_URI, (void *)&mt->mt_uri );
790 ldap_pvt_thread_mutex_unlock( &mt->mt_uri_mutex );
802 ldap_back_send_t sendok )
804 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
806 metatarget_t *mt = mi->mi_targets[ candidate ];
807 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
811 Debug( LDAP_DEBUG_TRACE, ">>> %s meta_back_cancel[%d] msgid=%d\n",
812 op->o_log_prefix, candidate, msgid );
814 /* default behavior */
815 if ( META_BACK_TGT_ABANDON( mt ) ) {
816 rc = ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
818 } else if ( META_BACK_TGT_IGNORE( mt ) ) {
821 } else if ( META_BACK_TGT_CANCEL( mt ) ) {
822 rc = ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
828 Debug( LDAP_DEBUG_TRACE, "<<< %s meta_back_cancel[%d] err=%d\n",
829 op->o_log_prefix, candidate, rc );
837 * FIXME: error return must be handled in a cleaner way ...
847 ldap_back_send_t sendok )
849 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
851 const char *save_text = rs->sr_text,
852 *save_matched = rs->sr_matched;
853 BerVarray save_ref = rs->sr_ref;
854 LDAPControl **save_ctrls = rs->sr_ctrls;
855 void *matched_ctx = NULL;
857 char *matched = NULL;
860 LDAPControl **ctrls = NULL;
862 assert( mc != NULL );
865 rs->sr_matched = NULL;
869 if ( candidate != META_TARGET_NONE ) {
870 metatarget_t *mt = mi->mi_targets[ candidate ];
871 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
873 #define ERR_OK(err) ((err) == LDAP_SUCCESS || (err) == LDAP_COMPARE_FALSE || (err) == LDAP_COMPARE_TRUE)
875 if ( ERR_OK( rs->sr_err ) ) {
878 LDAPMessage *res = NULL;
885 LDAP_BACK_TV_SET( &tv );
889 rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
893 (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
894 rs->sr_err = op->o_protocol >= LDAP_VERSION3 ?
895 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
896 rs->sr_text = "Operation timed out";
900 LDAP_BACK_TV_SET( &tv );
901 ldap_pvt_thread_yield();
905 ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER,
910 /* otherwise get the result; if it is not
911 * LDAP_SUCCESS, record it in the reply
912 * structure (this includes
913 * LDAP_COMPARE_{TRUE|FALSE}) */
915 /* only touch when activity actually took place... */
916 if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
917 msc->msc_time = op->o_time;
920 rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
921 &matched, &text, &refs, &ctrls, 1 );
924 if ( rc != LDAP_SUCCESS ) {
927 if ( refs != NULL ) {
930 for ( i = 0; refs[ i ] != NULL; i++ )
932 rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
934 for ( i = 0; refs[ i ] != NULL; i++ ) {
935 ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
937 BER_BVZERO( &rs->sr_ref[ i ] );
939 if ( ctrls != NULL ) {
940 rs->sr_ctrls = ctrls;
944 assert( res == NULL );
947 /* if the error in the reply structure is not
948 * LDAP_SUCCESS, try to map it from client
950 if ( !ERR_OK( rs->sr_err ) ) {
951 rs->sr_err = slap_map_api2result( rs );
953 /* internal ops ( op->o_conn == NULL )
954 * must not reply to client */
955 if ( op->o_conn && !op->o_do_not_cache && matched ) {
957 /* record the (massaged) matched
958 * DN into the reply structure */
959 rs->sr_matched = matched;
963 if ( META_BACK_TGT_QUARANTINE( mt ) ) {
964 meta_back_quarantine( op, rs, candidate );
971 for ( i = 0; i < mi->mi_ntargets; i++ ) {
972 metasingleconn_t *msc = &mc->mc_conns[ i ];
974 char *xmatched = NULL;
976 rs->sr_err = LDAP_SUCCESS;
978 ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
979 if ( rs->sr_err != LDAP_SUCCESS ) {
981 * better check the type of error. In some cases
982 * (search ?) it might be better to return a
983 * success if at least one of the targets gave
984 * positive result ...
986 ldap_get_option( msc->msc_ld,
987 LDAP_OPT_ERROR_STRING, &xtext );
988 if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
989 ldap_memfree( xtext );
993 ldap_get_option( msc->msc_ld,
994 LDAP_OPT_MATCHED_DN, &xmatched );
995 if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
996 ldap_memfree( xmatched );
1000 rs->sr_err = slap_map_api2result( rs );
1002 if ( LogTest( LDAP_DEBUG_ANY ) ) {
1003 char buf[ SLAP_TEXT_BUFLEN ];
1005 snprintf( buf, sizeof( buf ),
1006 "meta_back_op_result[%d] "
1007 "err=%d text=\"%s\" matched=\"%s\"",
1009 ( xtext ? xtext : "" ),
1010 ( xmatched ? xmatched : "" ) );
1011 Debug( LDAP_DEBUG_ANY, "%s %s.\n",
1012 op->o_log_prefix, buf, 0 );
1016 * FIXME: need to rewrite "match" (need rwinfo)
1018 switch ( rs->sr_err ) {
1021 if ( xtext != NULL ) {
1023 ldap_memfree( text );
1028 if ( xmatched != NULL ) {
1030 ldap_memfree( matched );
1039 ldap_memfree( xtext );
1043 ldap_memfree( xmatched );
1047 if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) {
1048 meta_back_quarantine( op, rs, i );
1052 if ( err != LDAP_SUCCESS ) {
1057 if ( matched != NULL ) {
1058 struct berval dn, pdn;
1060 ber_str2bv( matched, 0, 0, &dn );
1061 if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
1062 ldap_memfree( matched );
1063 matched_ctx = op->o_tmpmemctx;
1064 matched = pdn.bv_val;
1066 rs->sr_matched = matched;
1070 ( ( sendok & LDAP_BACK_SENDOK )
1071 || ( ( sendok & LDAP_BACK_SENDERR ) && rs->sr_err != LDAP_SUCCESS ) ) )
1073 send_ldap_result( op, rs );
1076 op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
1079 ldap_memfree( text );
1082 assert( refs != NULL );
1083 ber_memvfree( (void **)refs );
1084 op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
1087 assert( rs->sr_ctrls != NULL );
1088 ldap_controls_free( ctrls );
1091 rs->sr_text = save_text;
1092 rs->sr_matched = save_matched;
1093 rs->sr_ref = save_ref;
1094 rs->sr_ctrls = save_ctrls;
1096 return( ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
1100 * meta_back_proxy_authz_cred()
1102 * prepares credentials & method for meta_back_proxy_authz_bind();
1103 * or, if method is SASL, performs the SASL bind directly.
1106 meta_back_proxy_authz_cred(
1111 ldap_back_send_t sendok,
1112 struct berval *binddn,
1113 struct berval *bindcred,
1116 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1117 metatarget_t *mt = mi->mi_targets[ candidate ];
1118 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1122 /* don't proxyAuthz if protocol is not LDAPv3 */
1123 switch ( mt->mt_version ) {
1128 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1134 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1135 if ( sendok & LDAP_BACK_SENDERR ) {
1136 send_ldap_result( op, rs );
1138 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1142 if ( op->o_tag == LDAP_REQ_BIND ) {
1143 ndn = op->o_req_ndn;
1145 } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
1146 ndn = op->o_conn->c_ndn;
1153 * FIXME: we need to let clients use proxyAuthz
1154 * otherwise we cannot do symmetric pools of servers;
1155 * we have to live with the fact that a user can
1156 * authorize itself as any ID that is allowed
1157 * by the authzTo directive of the "proxyauthzdn".
1160 * NOTE: current Proxy Authorization specification
1161 * and implementation do not allow proxy authorization
1162 * control to be provided with Bind requests
1165 * if no bind took place yet, but the connection is bound
1166 * and the "proxyauthzdn" is set, then bind as
1167 * "proxyauthzdn" and explicitly add the proxyAuthz
1168 * control to every operation with the dn bound
1169 * to the connection as control value.
1172 /* bind as proxyauthzdn only if no idassert mode
1173 * is requested, or if the client's identity
1175 switch ( mt->mt_idassert_mode ) {
1176 case LDAP_BACK_IDASSERT_LEGACY:
1177 if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
1178 if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) && !BER_BVISEMPTY( &mt->mt_idassert_authcDN ) )
1180 *binddn = mt->mt_idassert_authcDN;
1181 *bindcred = mt->mt_idassert_passwd;
1188 /* NOTE: rootdn can always idassert */
1189 if ( BER_BVISNULL( &ndn ) && mt->mt_idassert_authz == NULL ) {
1190 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1191 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
1192 if ( sendok & LDAP_BACK_SENDERR ) {
1193 send_ldap_result( op, rs );
1195 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1198 rs->sr_err = LDAP_SUCCESS;
1199 *binddn = slap_empty_bv;
1200 *bindcred = slap_empty_bv;
1206 } else if ( mt->mt_idassert_authz && !be_isroot( op ) ) {
1207 struct berval authcDN;
1209 if ( BER_BVISNULL( &ndn ) ) {
1210 authcDN = slap_empty_bv;
1215 rs->sr_err = slap_sasl_matches( op, mt->mt_idassert_authz,
1216 &authcDN, &authcDN );
1217 if ( rs->sr_err != LDAP_SUCCESS ) {
1218 if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1219 if ( sendok & LDAP_BACK_SENDERR ) {
1220 send_ldap_result( op, rs );
1222 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1225 rs->sr_err = LDAP_SUCCESS;
1226 *binddn = slap_empty_bv;
1227 *bindcred = slap_empty_bv;
1235 *binddn = mt->mt_idassert_authcDN;
1236 *bindcred = mt->mt_idassert_passwd;
1241 if ( dobind && mt->mt_idassert_authmethod == LDAP_AUTH_SASL ) {
1242 #ifdef HAVE_CYRUS_SASL
1243 void *defaults = NULL;
1244 struct berval authzID = BER_BVNULL;
1247 /* if SASL supports native authz, prepare for it */
1248 if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
1249 ( mt->mt_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
1251 switch ( mt->mt_idassert_mode ) {
1252 case LDAP_BACK_IDASSERT_OTHERID:
1253 case LDAP_BACK_IDASSERT_OTHERDN:
1254 authzID = mt->mt_idassert_authzID;
1257 case LDAP_BACK_IDASSERT_ANONYMOUS:
1258 BER_BVSTR( &authzID, "dn:" );
1261 case LDAP_BACK_IDASSERT_SELF:
1262 if ( BER_BVISNULL( &ndn ) ) {
1263 /* connection is not authc'd, so don't idassert */
1264 BER_BVSTR( &authzID, "dn:" );
1267 authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1268 authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
1269 AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1270 AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
1271 ndn.bv_val, ndn.bv_len + 1 );
1280 if ( mt->mt_idassert_secprops != NULL ) {
1281 rs->sr_err = ldap_set_option( msc->msc_ld,
1282 LDAP_OPT_X_SASL_SECPROPS,
1283 (void *)mt->mt_idassert_secprops );
1285 if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
1286 rs->sr_err = LDAP_OTHER;
1287 if ( sendok & LDAP_BACK_SENDERR ) {
1288 send_ldap_result( op, rs );
1290 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1295 defaults = lutil_sasl_defaults( msc->msc_ld,
1296 mt->mt_idassert_sasl_mech.bv_val,
1297 mt->mt_idassert_sasl_realm.bv_val,
1298 mt->mt_idassert_authcID.bv_val,
1299 mt->mt_idassert_passwd.bv_val,
1302 rs->sr_err = ldap_sasl_interactive_bind_s( msc->msc_ld, binddn->bv_val,
1303 mt->mt_idassert_sasl_mech.bv_val, NULL, NULL,
1304 LDAP_SASL_QUIET, lutil_sasl_interact,
1307 rs->sr_err = slap_map_api2result( rs );
1308 if ( rs->sr_err != LDAP_SUCCESS ) {
1309 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1310 if ( sendok & LDAP_BACK_SENDERR ) {
1311 send_ldap_result( op, rs );
1315 LDAP_BACK_CONN_ISBOUND_SET( msc );
1318 lutil_sasl_freedefs( defaults );
1320 slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
1324 #endif /* HAVE_CYRUS_SASL */
1327 *method = mt->mt_idassert_authmethod;
1328 switch ( mt->mt_idassert_authmethod ) {
1329 case LDAP_AUTH_NONE:
1330 BER_BVSTR( binddn, "" );
1331 BER_BVSTR( bindcred, "" );
1334 case LDAP_AUTH_SIMPLE:
1339 LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
1340 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
1341 if ( sendok & LDAP_BACK_SENDERR ) {
1342 send_ldap_result( op, rs );
1352 meta_back_proxy_authz_bind( metaconn_t *mc, int candidate, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
1354 metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
1355 metatarget_t *mt = mi->mi_targets[ candidate ];
1356 metasingleconn_t *msc = &mc->mc_conns[ candidate ];
1357 struct berval binddn = BER_BVC( "" ),
1358 cred = BER_BVC( "" );
1359 int method = LDAP_AUTH_NONE,
1362 rc = meta_back_proxy_authz_cred( mc, candidate, op, rs, sendok, &binddn, &cred, &method );
1363 if ( rc == LDAP_SUCCESS && !LDAP_BACK_CONN_ISBOUND( msc ) ) {
1367 case LDAP_AUTH_NONE:
1368 case LDAP_AUTH_SIMPLE:
1369 rs->sr_err = ldap_sasl_bind( msc->msc_ld,
1370 binddn.bv_val, LDAP_SASL_SIMPLE,
1371 &cred, NULL, NULL, &msgid );
1372 rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
1373 if ( rc == LDAP_SUCCESS ) {
1374 /* set rebind stuff in case of successful proxyAuthz bind,
1375 * so that referral chasing is attempted using the right
1377 LDAP_BACK_CONN_ISBOUND_SET( msc );
1378 ber_bvreplace( &msc->msc_bound_ndn, &binddn );
1380 if ( LDAP_BACK_SAVECRED( mi ) ) {
1381 if ( !BER_BVISNULL( &msc->msc_cred ) ) {
1382 memset( msc->msc_cred.bv_val, 0,
1383 msc->msc_cred.bv_len );
1385 ber_bvreplace( &msc->msc_cred, &cred );
1386 ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
1397 return LDAP_BACK_CONN_ISBOUND( msc );