1 /* bind.c - ldap backend bind function */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1999-2007 The OpenLDAP Foundation.
6 * Portions Copyright 2000-2003 Pierangelo Masarati.
7 * Portions Copyright 1999-2003 Howard Chu.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
19 * This work was initially developed by Howard Chu for inclusion
20 * in OpenLDAP Software and subsequently enhanced by Pierangelo
29 #include <ac/socket.h>
30 #include <ac/string.h>
34 #include "back-ldap.h"
35 #undef ldap_debug /* silence a warning in ldap-int.h */
36 #include "../../../libraries/libldap/ldap-int.h"
38 #include "lutil_ldap.h"
40 #define LDAP_CONTROL_OBSOLETE_PROXY_AUTHZ "2.16.840.1.113730.3.4.12"
42 #if LDAP_BACK_PRINT_CONNTREE > 0
44 ldap_back_ravl_print( Avlnode *root, int depth )
53 ldap_back_ravl_print( root->avl_right, depth+1 );
55 for ( i = 0; i < depth; i++ ) {
56 fprintf( stderr, "-" );
60 fprintf( stderr, "lc=%p local=\"%s\" conn=%p %s refcnt=%d flags=0x%08x\n",
62 lc->lc_local_ndn.bv_val ? lc->lc_local_ndn.bv_val : "",
64 avl_bf2str( root->avl_bf ), lc->lc_refcnt, lc->lc_lcflags );
66 ldap_back_ravl_print( root->avl_left, depth+1 );
69 static char* priv2str[] = {
80 ldap_back_print_conntree( ldapinfo_t *li, char *msg )
84 fprintf( stderr, "========> %s\n", msg );
86 for ( c = LDAP_BACK_PCONN_FIRST; c < LDAP_BACK_PCONN_LAST; c++ ) {
90 fprintf( stderr, " %s[%d]\n", priv2str[ c ], li->li_conn_priv[ c ].lic_num );
92 LDAP_TAILQ_FOREACH( lc, &li->li_conn_priv[ c ].lic_priv, lc_q )
94 fprintf( stderr, " [%d] lc=%p local=\"%s\" conn=%p refcnt=%d flags=0x%08x\n",
97 lc->lc_local_ndn.bv_val ? lc->lc_local_ndn.bv_val : "",
98 (void *)lc->lc_conn, lc->lc_refcnt, lc->lc_lcflags );
103 if ( li->li_conninfo.lai_tree == 0 ) {
104 fprintf( stderr, "\t(empty)\n" );
107 ldap_back_ravl_print( li->li_conninfo.lai_tree, 0 );
110 fprintf( stderr, "<======== %s\n", msg );
112 #endif /* LDAP_BACK_PRINT_CONNTREE */
115 ldap_back_freeconn( ldapinfo_t *li, ldapconn_t *lc, int dolock );
118 ldap_back_getconn( Operation *op, SlapReply *rs, ldap_back_send_t sendok,
119 struct berval *binddn, struct berval *bindcred );
122 ldap_back_is_proxy_authz( Operation *op, SlapReply *rs, ldap_back_send_t sendok,
123 struct berval *binddn, struct berval *bindcred );
126 ldap_back_proxy_authz_bind( ldapconn_t *lc, Operation *op, SlapReply *rs,
127 ldap_back_send_t sendok, struct berval *binddn, struct berval *bindcred );
130 ldap_back_prepare_conn( ldapconn_t *lc, Operation *op, SlapReply *rs,
131 ldap_back_send_t sendok );
134 ldap_back_conndnlc_cmp( const void *c1, const void *c2 );
137 ldap_back_conn_delete( ldapinfo_t *li, ldapconn_t *lc )
139 if ( LDAP_BACK_PCONN_ISPRIV( lc ) ) {
140 if ( LDAP_BACK_CONN_CACHED( lc ) ) {
141 assert( lc->lc_q.tqe_prev != NULL );
142 assert( li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_num > 0 );
143 li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_num--;
144 LDAP_TAILQ_REMOVE( &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_priv, lc, lc_q );
145 LDAP_TAILQ_ENTRY_INIT( lc, lc_q );
146 LDAP_BACK_CONN_CACHED_CLEAR( lc );
149 assert( LDAP_BACK_CONN_TAINTED( lc ) );
150 assert( lc->lc_q.tqe_prev == NULL );
154 ldapconn_t *tmplc = NULL;
156 if ( LDAP_BACK_CONN_CACHED( lc ) ) {
157 assert( !LDAP_BACK_CONN_TAINTED( lc ) );
158 tmplc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)lc,
159 ldap_back_conndnlc_cmp );
160 assert( tmplc == lc );
161 LDAP_BACK_CONN_CACHED_CLEAR( lc );
164 assert( LDAP_BACK_CONN_TAINTED( lc ) || tmplc == lc );
171 ldap_back_bind( Operation *op, SlapReply *rs )
173 ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private;
178 ldap_back_send_t retrying = LDAP_BACK_RETRYING;
180 lc = ldap_back_getconn( op, rs, LDAP_BACK_BIND_SERR, NULL, NULL );
185 /* we can do (almost) whatever we want with this conn,
186 * because either it's temporary, or it's marked as binding */
187 if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
188 ch_free( lc->lc_bound_ndn.bv_val );
189 BER_BVZERO( &lc->lc_bound_ndn );
191 if ( !BER_BVISNULL( &lc->lc_cred ) ) {
192 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
193 ch_free( lc->lc_cred.bv_val );
194 BER_BVZERO( &lc->lc_cred );
196 LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
199 /* method is always LDAP_AUTH_SIMPLE if we got here */
200 rs->sr_err = ldap_sasl_bind( lc->lc_ld, op->o_req_dn.bv_val,
202 &op->orb_cred, op->o_ctrls, NULL, &msgid );
203 /* FIXME: should we always retry, or only when piping the bind
204 * in the "override" connection pool? */
205 rc = ldap_back_op_result( lc, op, rs, msgid,
206 li->li_timeout[ SLAP_OP_BIND ],
207 LDAP_BACK_BIND_SERR | retrying );
208 if ( rc == LDAP_UNAVAILABLE && retrying ) {
209 retrying &= ~LDAP_BACK_RETRYING;
210 if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_BIND_SERR ) ) {
215 if ( rc == LDAP_SUCCESS ) {
216 /* If defined, proxyAuthz will be used also when
217 * back-ldap is the authorizing backend; for this
218 * purpose, after a successful bind the connection
219 * is left for further binds, and further operations
220 * on this client connection will use a default
221 * connection with identity assertion */
222 /* NOTE: use with care */
223 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
224 ldap_back_release_conn( li, lc );
228 /* rebind is now done inside ldap_back_proxy_authz_bind()
229 * in case of success */
230 LDAP_BACK_CONN_ISBOUND_SET( lc );
231 ber_dupbv( &lc->lc_bound_ndn, &op->o_req_ndn );
233 if ( !BER_BVISNULL( &lc->lc_cred ) ) {
234 memset( lc->lc_cred.bv_val, 0,
235 lc->lc_cred.bv_len );
238 if ( LDAP_BACK_SAVECRED( li ) ) {
239 ber_bvreplace( &lc->lc_cred, &op->orb_cred );
240 ldap_set_rebind_proc( lc->lc_ld, li->li_rebind_f, lc );
243 lc->lc_cred.bv_len = 0;
247 /* must re-insert if local DN changed as result of bind */
248 if ( !LDAP_BACK_CONN_ISBOUND( lc )
249 || ( !dn_match( &op->o_req_ndn, &lc->lc_local_ndn )
250 && !LDAP_BACK_PCONN_ISPRIV( lc ) ) )
255 /* wait for all other ops to release the connection */
257 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
258 if ( lc->lc_refcnt > 1 ) {
259 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
260 ldap_pvt_thread_yield();
264 #if LDAP_BACK_PRINT_CONNTREE > 0
265 ldap_back_print_conntree( li, ">>> ldap_back_bind" );
266 #endif /* LDAP_BACK_PRINT_CONNTREE */
268 assert( lc->lc_refcnt == 1 );
269 ldap_back_conn_delete( li, lc );
271 /* delete all cached connections with the current connection */
272 if ( LDAP_BACK_SINGLECONN( li ) ) {
273 while ( ( tmplc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)lc, ldap_back_conn_cmp ) ) != NULL )
275 Debug( LDAP_DEBUG_TRACE,
276 "=>ldap_back_bind: destroying conn %ld (refcnt=%u)\n",
277 LDAP_BACK_PCONN_ID( lc ), lc->lc_refcnt, 0 );
279 if ( tmplc->lc_refcnt != 0 ) {
281 LDAP_BACK_CONN_TAINTED_SET( tmplc );
282 LDAP_BACK_CONN_CACHED_CLEAR( tmplc );
286 * Needs a test because the handler may be corrupted,
287 * and calling ldap_unbind on a corrupted header results
288 * in a segmentation fault
290 ldap_back_conn_free( tmplc );
295 if ( LDAP_BACK_CONN_ISBOUND( lc ) ) {
296 ber_bvreplace( &lc->lc_local_ndn, &op->o_req_ndn );
297 if ( be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) {
298 LDAP_BACK_PCONN_ROOTDN_SET( lc, op );
300 lerr = avl_insert( &li->li_conninfo.lai_tree, (caddr_t)lc,
301 ldap_back_conndn_cmp, ldap_back_conndn_dup );
304 #if LDAP_BACK_PRINT_CONNTREE > 0
305 ldap_back_print_conntree( li, "<<< ldap_back_bind" );
306 #endif /* LDAP_BACK_PRINT_CONNTREE */
308 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
311 LDAP_BACK_CONN_CACHED_SET( lc );
315 /* duplicate; someone else successfully bound
316 * on the same connection with the same identity;
317 * we can do this because lc_refcnt == 1 */
318 ldap_back_conn_free( lc );
324 ldap_back_release_conn( li, lc );
331 * ldap_back_conndn_cmp
333 * compares two ldapconn_t based on the value of the conn pointer
334 * and of the local DN; used by avl stuff for insert, lookup
338 ldap_back_conndn_cmp( const void *c1, const void *c2 )
340 const ldapconn_t *lc1 = (const ldapconn_t *)c1;
341 const ldapconn_t *lc2 = (const ldapconn_t *)c2;
344 /* If local DNs don't match, it is definitely not a match */
345 /* For shared sessions, conn is NULL. Only explicitly
346 * bound sessions will have non-NULL conn.
348 rc = SLAP_PTRCMP( lc1->lc_conn, lc2->lc_conn );
350 rc = ber_bvcmp( &lc1->lc_local_ndn, &lc2->lc_local_ndn );
357 * ldap_back_conndnlc_cmp
359 * compares two ldapconn_t based on the value of the conn pointer,
360 * the local DN and the lc pointer; used by avl stuff for insert, lookup
364 ldap_back_conndnlc_cmp( const void *c1, const void *c2 )
366 const ldapconn_t *lc1 = (const ldapconn_t *)c1;
367 const ldapconn_t *lc2 = (const ldapconn_t *)c2;
370 /* If local DNs don't match, it is definitely not a match */
371 /* For shared sessions, conn is NULL. Only explicitly
372 * bound sessions will have non-NULL conn.
374 rc = SLAP_PTRCMP( lc1->lc_conn, lc2->lc_conn );
376 rc = ber_bvcmp( &lc1->lc_local_ndn, &lc2->lc_local_ndn );
378 rc = SLAP_PTRCMP( lc1, lc2 );
388 * compares two ldapconn_t based on the value of the conn pointer;
389 * used by avl stuff for delete of all conns with the same connid
392 ldap_back_conn_cmp( const void *c1, const void *c2 )
394 const ldapconn_t *lc1 = (const ldapconn_t *)c1;
395 const ldapconn_t *lc2 = (const ldapconn_t *)c2;
397 /* For shared sessions, conn is NULL. Only explicitly
398 * bound sessions will have non-NULL conn.
400 return SLAP_PTRCMP( lc1->lc_conn, lc2->lc_conn );
404 * ldap_back_conndn_dup
406 * returns -1 in case a duplicate ldapconn_t has been inserted;
410 ldap_back_conndn_dup( void *c1, void *c2 )
412 ldapconn_t *lc1 = (ldapconn_t *)c1;
413 ldapconn_t *lc2 = (ldapconn_t *)c2;
415 /* Cannot have more than one shared session with same DN */
416 if ( lc1->lc_conn == lc2->lc_conn &&
417 dn_match( &lc1->lc_local_ndn, &lc2->lc_local_ndn ) )
426 ldap_back_freeconn( ldapinfo_t *li, ldapconn_t *lc, int dolock )
429 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
432 #if LDAP_BACK_PRINT_CONNTREE > 0
433 ldap_back_print_conntree( li, ">>> ldap_back_freeconn" );
434 #endif /* LDAP_BACK_PRINT_CONNTREE */
436 (void)ldap_back_conn_delete( li, lc );
438 if ( lc->lc_refcnt == 0 ) {
439 ldap_back_conn_free( (void *)lc );
442 #if LDAP_BACK_PRINT_CONNTREE > 0
443 ldap_back_print_conntree( li, "<<< ldap_back_freeconn" );
444 #endif /* LDAP_BACK_PRINT_CONNTREE */
447 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
464 int rc = LDAP_SUCCESS;
466 /* start TLS ("tls-[try-]{start,propagate}" statements) */
467 if ( ( LDAP_BACK_USE_TLS_F( flags ) || ( *is_tls && LDAP_BACK_PROPAGATE_TLS_F( flags ) ) )
468 && !ldap_is_ldaps_url( url ) )
470 #ifdef SLAP_STARTTLS_ASYNCHRONOUS
472 * use asynchronous StartTLS
473 * in case, chase referral (not implemented yet)
477 if ( protocol == 0 ) {
478 ldap_get_option( ld, LDAP_OPT_PROTOCOL_VERSION,
482 if ( protocol < LDAP_VERSION3 ) {
483 /* we should rather bail out... */
484 rc = LDAP_UNWILLING_TO_PERFORM;
485 *text = "invalid protocol version";
488 if ( rc == LDAP_SUCCESS ) {
489 rc = ldap_start_tls( ld, NULL, NULL, &msgid );
492 if ( rc == LDAP_SUCCESS ) {
493 LDAPMessage *res = NULL;
496 LDAP_BACK_TV_SET( &tv );
499 rc = ldap_result( ld, msgid, LDAP_MSG_ALL, &tv, &res );
501 rc = LDAP_UNAVAILABLE;
503 } else if ( rc == 0 ) {
504 if ( retries != LDAP_BACK_RETRY_NEVER ) {
505 ldap_pvt_thread_yield();
509 LDAP_BACK_TV_SET( &tv );
512 rc = LDAP_UNAVAILABLE;
514 } else if ( rc == LDAP_RES_EXTENDED ) {
515 struct berval *data = NULL;
517 rc = ldap_parse_extended_result( ld, res,
519 if ( rc == LDAP_SUCCESS ) {
521 rc = ldap_parse_result( ld, res, &err,
522 NULL, NULL, NULL, NULL, 1 );
523 if ( rc == LDAP_SUCCESS ) {
528 /* FIXME: in case a referral
529 * is returned, should we try
530 * using it instead of the
532 if ( rc == LDAP_SUCCESS ) {
533 rc = ldap_install_tls( ld );
535 } else if ( rc == LDAP_REFERRAL ) {
536 rc = LDAP_UNWILLING_TO_PERFORM;
537 *text = "unwilling to chase referral returned by Start TLS exop";
541 if ( data->bv_val ) {
542 ber_memfree( data->bv_val );
556 #else /* ! SLAP_STARTTLS_ASYNCHRONOUS */
558 * use synchronous StartTLS
560 rc = ldap_start_tls_s( ld, NULL, NULL );
561 #endif /* ! SLAP_STARTTLS_ASYNCHRONOUS */
563 /* if StartTLS is requested, only attempt it if the URL
564 * is not "ldaps://"; this may occur not only in case
565 * of misconfiguration, but also when used in the chain
566 * overlay, where the "uri" can be parsed out of a referral */
572 case LDAP_SERVER_DOWN:
576 if ( LDAP_BACK_TLS_CRITICAL_F( flags ) ) {
577 *text = "could not start TLS";
581 /* in case Start TLS is not critical */
593 #endif /* HAVE_TLS */
596 ldap_back_prepare_conn( ldapconn_t *lc, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
598 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
602 int is_tls = op->o_conn->c_is_tls;
603 time_t lc_time = (time_t)(-1);
605 #endif /* HAVE_TLS */
607 ldap_pvt_thread_mutex_lock( &li->li_uri_mutex );
608 rs->sr_err = ldap_initialize( &ld, li->li_uri );
609 ldap_pvt_thread_mutex_unlock( &li->li_uri_mutex );
610 if ( rs->sr_err != LDAP_SUCCESS ) {
614 if ( li->li_urllist_f ) {
615 ldap_set_urllist_proc( ld, li->li_urllist_f, li->li_urllist_p );
618 /* Set LDAP version. This will always succeed: If the client
619 * bound with a particular version, then so can we.
621 if ( li->li_version != 0 ) {
622 version = li->li_version;
624 } else if ( op->o_protocol != 0 ) {
625 version = op->o_protocol;
628 /* assume it's an internal op; set to LDAPv3 */
629 version = LDAP_VERSION3;
631 ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, (const void *)&version );
633 /* automatically chase referrals ("chase-referrals [{yes|no}]" statement) */
634 ldap_set_option( ld, LDAP_OPT_REFERRALS,
635 LDAP_BACK_CHASE_REFERRALS( li ) ? LDAP_OPT_ON : LDAP_OPT_OFF );
637 if ( li->li_network_timeout > 0 ) {
640 tv.tv_sec = li->li_network_timeout;
642 ldap_set_option( ld, LDAP_OPT_NETWORK_TIMEOUT, (const void *)&tv );
646 if ( LDAP_BACK_CONN_ISPRIV( lc ) ) {
649 } else if ( LDAP_BACK_CONN_ISIDASSERT( lc ) ) {
650 sb = &li->li_idassert.si_bc;
656 if ( sb->sb_tls_do_init ) {
657 bindconf_tls_set( sb, ld );
658 } else if ( sb->sb_tls_ctx ) {
659 ldap_set_option( ld, LDAP_OPT_X_TLS_CTX, sb->sb_tls_ctx );
662 ldap_pvt_thread_mutex_lock( &li->li_uri_mutex );
663 rs->sr_err = ldap_back_start_tls( ld, op->o_protocol, &is_tls,
664 li->li_uri, li->li_flags, li->li_nretries, &rs->sr_text );
665 ldap_pvt_thread_mutex_unlock( &li->li_uri_mutex );
666 if ( rs->sr_err != LDAP_SUCCESS ) {
667 ldap_unbind_ext( ld, NULL, NULL );
670 } else if ( li->li_idle_timeout ) {
671 /* only touch when activity actually took place... */
672 lc_time = op->o_time;
674 #endif /* HAVE_TLS */
680 LDAP_BACK_CONN_ISTLS_SET( lc );
682 LDAP_BACK_CONN_ISTLS_CLEAR( lc );
684 if ( lc_time != (time_t)(-1) ) {
685 lc->lc_time = lc_time;
687 #endif /* HAVE_TLS */
690 if ( rs->sr_err != LDAP_SUCCESS ) {
691 rs->sr_err = slap_map_api2result( rs );
692 if ( sendok & LDAP_BACK_SENDERR ) {
693 if ( rs->sr_text == NULL ) {
694 rs->sr_text = "ldap_initialize() failed";
696 send_ldap_result( op, rs );
701 if ( li->li_conn_ttl > 0 ) {
702 lc->lc_create_time = op->o_time;
713 ldap_back_send_t sendok,
714 struct berval *binddn,
715 struct berval *bindcred )
717 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
718 ldapconn_t *lc = NULL,
721 lookupconn = !( sendok & LDAP_BACK_BINDING );
723 /* if the server is quarantined, and
724 * - the current interval did not expire yet, or
725 * - no more retries should occur,
726 * don't return the connection */
727 if ( li->li_isquarantined ) {
728 slap_retry_info_t *ri = &li->li_quarantine;
731 if ( li->li_quarantine.ri_interval ) {
732 ldap_pvt_thread_mutex_lock( &li->li_quarantine_mutex );
733 if ( li->li_isquarantined == LDAP_BACK_FQ_YES ) {
734 dont_retry = ( ri->ri_num[ ri->ri_idx ] == SLAP_RETRYNUM_TAIL
735 || slap_get_time() < ri->ri_last + ri->ri_interval[ ri->ri_idx ] );
737 Debug( LDAP_DEBUG_ANY,
738 "%s: ldap_back_getconn quarantine "
739 "retry block #%d try #%d.\n",
740 op->o_log_prefix, ri->ri_idx, ri->ri_count );
741 li->li_isquarantined = LDAP_BACK_FQ_RETRYING;
744 ldap_pvt_thread_mutex_unlock( &li->li_quarantine_mutex );
748 rs->sr_err = LDAP_UNAVAILABLE;
749 if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
750 send_ldap_result( op, rs );
756 /* Internal searches are privileged and shared. So is root. */
757 if ( op->o_do_not_cache || be_isroot( op ) ) {
758 LDAP_BACK_CONN_ISPRIV_SET( &lc_curr );
759 lc_curr.lc_local_ndn = op->o_bd->be_rootndn;
760 LDAP_BACK_PCONN_ROOTDN_SET( &lc_curr, op );
763 struct berval tmpbinddn,
770 if ( binddn == NULL ) {
773 if ( bindcred == NULL ) {
774 bindcred = &tmpbindcred;
776 if ( op->o_tag == LDAP_REQ_BIND ) {
777 save_o_dn = op->o_dn;
778 save_o_ndn = op->o_ndn;
779 op->o_dn = op->o_req_dn;
780 op->o_ndn = op->o_req_ndn;
782 isproxyauthz = ldap_back_is_proxy_authz( op, rs, sendok, binddn, bindcred );
783 if ( isproxyauthz == -1 ) {
786 if ( op->o_tag == LDAP_REQ_BIND ) {
787 op->o_dn = save_o_dn;
788 op->o_ndn = save_o_ndn;
791 lc_curr.lc_local_ndn = op->o_ndn;
792 /* Explicit binds must not be shared;
793 * however, explicit binds are piped in a special connection
794 * when idassert is to occur with "override" set */
795 if ( op->o_tag == LDAP_REQ_BIND && !isproxyauthz ) {
796 lc_curr.lc_conn = op->o_conn;
799 if ( isproxyauthz && !( sendok & LDAP_BACK_BINDING ) ) {
800 lc_curr.lc_local_ndn = *binddn;
801 LDAP_BACK_PCONN_ROOTDN_SET( &lc_curr, op );
802 LDAP_BACK_CONN_ISIDASSERT_SET( &lc_curr );
804 } else if ( isproxyauthz && ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) {
805 lc_curr.lc_local_ndn = slap_empty_bv;
806 LDAP_BACK_PCONN_BIND_SET( &lc_curr, op );
807 LDAP_BACK_CONN_ISIDASSERT_SET( &lc_curr );
810 } else if ( SLAP_IS_AUTHZ_BACKEND( op ) ) {
811 lc_curr.lc_conn = op->o_conn;
814 LDAP_BACK_PCONN_ANON_SET( &lc_curr, op );
819 /* Explicit Bind requests always get their own conn */
822 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
823 if ( LDAP_BACK_PCONN_ISPRIV( &lc_curr ) ) {
824 /* lookup a conn that's not binding */
825 LDAP_TAILQ_FOREACH( lc,
826 &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( &lc_curr ) ].lic_priv,
829 if ( !LDAP_BACK_CONN_BINDING( lc ) && lc->lc_refcnt == 0 ) {
835 if ( lc != LDAP_TAILQ_LAST( &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_priv,
838 LDAP_TAILQ_REMOVE( &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_priv,
840 LDAP_TAILQ_ENTRY_INIT( lc, lc_q );
841 LDAP_TAILQ_INSERT_TAIL( &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_priv,
845 } else if ( !LDAP_BACK_USE_TEMPORARIES( li )
846 && li->li_conn_priv[ LDAP_BACK_CONN2PRIV( &lc_curr ) ].lic_num == li->li_conn_priv_max )
848 lc = LDAP_TAILQ_FIRST( &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( &lc_curr ) ].lic_priv );
853 /* Searches for a ldapconn in the avl tree */
854 lc = (ldapconn_t *)avl_find( li->li_conninfo.lai_tree,
855 (caddr_t)&lc_curr, ldap_back_conndn_cmp );
859 /* Don't reuse connections while they're still binding */
860 if ( LDAP_BACK_CONN_BINDING( lc ) ) {
861 if ( !LDAP_BACK_USE_TEMPORARIES( li ) ) {
862 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
864 ldap_pvt_thread_yield();
871 if ( op->o_tag == LDAP_REQ_BIND ) {
872 /* right now, this is the only possible case */
873 assert( ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) );
874 LDAP_BACK_CONN_BINDING_SET( lc );
877 refcnt = ++lc->lc_refcnt;
880 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
883 /* Looks like we didn't get a bind. Open a new session... */
885 lc = (ldapconn_t *)ch_calloc( 1, sizeof( ldapconn_t ) );
886 lc->lc_flags = li->li_flags;
887 lc->lc_lcflags = lc_curr.lc_lcflags;
888 if ( ldap_back_prepare_conn( lc, op, rs, sendok ) != LDAP_SUCCESS ) {
893 if ( sendok & LDAP_BACK_BINDING ) {
894 LDAP_BACK_CONN_BINDING_SET( lc );
897 lc->lc_conn = lc_curr.lc_conn;
898 ber_dupbv( &lc->lc_local_ndn, &lc_curr.lc_local_ndn );
901 * the rationale is: connections as the rootdn are privileged,
902 * so acl_authcDN is to be used; however, in some cases
903 * one already configured identity assertion with a highly
904 * privileged idassert_authcDN, so if acl_authcDN is NULL
905 * and idassert_authcDN is not, use the second instead.
907 * might change in the future, because it's preferable
908 * to make clear what identity is being used, since
909 * the only drawback is that one risks to configure
910 * the same identity twice...
912 if ( LDAP_BACK_CONN_ISPRIV( &lc_curr ) ) {
913 if ( BER_BVISNULL( &li->li_acl_authcDN ) && !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
914 ber_dupbv( &lc->lc_bound_ndn, &li->li_idassert_authcDN );
915 ber_dupbv( &lc->lc_cred, &li->li_idassert_passwd );
918 ber_dupbv( &lc->lc_bound_ndn, &li->li_acl_authcDN );
919 ber_dupbv( &lc->lc_cred, &li->li_acl_passwd );
921 LDAP_BACK_CONN_ISPRIV_SET( lc );
923 } else if ( LDAP_BACK_CONN_ISIDASSERT( &lc_curr ) ) {
924 if ( !LDAP_BACK_PCONN_ISBIND( &lc_curr ) ) {
925 ber_dupbv( &lc->lc_bound_ndn, &li->li_idassert_authcDN );
926 ber_dupbv( &lc->lc_cred, &li->li_idassert_passwd );
928 LDAP_BACK_CONN_ISIDASSERT_SET( lc );
931 BER_BVZERO( &lc->lc_cred );
932 BER_BVZERO( &lc->lc_bound_ndn );
933 if ( !BER_BVISEMPTY( &op->o_ndn )
934 && SLAP_IS_AUTHZ_BACKEND( op ) )
936 ber_dupbv( &lc->lc_bound_ndn, &op->o_ndn );
941 /* if start TLS failed but it was not mandatory,
942 * check if the non-TLS connection was already
943 * in cache; in case, destroy the newly created
944 * connection and use the existing one */
945 if ( LDAP_BACK_PCONN_ISTLS( lc )
946 && !ldap_tls_inplace( lc->lc_ld ) )
948 ldapconn_t *tmplc = NULL;
949 int idx = LDAP_BACK_CONN2PRIV( &lc_curr ) - 1;
951 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
952 LDAP_TAILQ_FOREACH( tmplc,
953 &li->li_conn_priv[ idx ].lic_priv,
956 if ( !LDAP_BACK_CONN_BINDING( tmplc ) ) {
961 if ( tmplc != NULL ) {
962 refcnt = ++tmplc->lc_refcnt;
963 ldap_back_conn_free( lc );
966 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
968 if ( tmplc != NULL ) {
972 #endif /* HAVE_TLS */
974 /* Inserts the newly created ldapconn in the avl tree */
975 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
977 LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
979 assert( lc->lc_refcnt == 1 );
981 #if LDAP_BACK_PRINT_CONNTREE > 0
982 ldap_back_print_conntree( li, ">>> ldap_back_getconn(insert)" );
983 #endif /* LDAP_BACK_PRINT_CONNTREE */
985 if ( LDAP_BACK_PCONN_ISPRIV( lc ) ) {
986 if ( li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_num < li->li_conn_priv_max ) {
987 LDAP_TAILQ_INSERT_TAIL( &li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_priv, lc, lc_q );
988 li->li_conn_priv[ LDAP_BACK_CONN2PRIV( lc ) ].lic_num++;
989 LDAP_BACK_CONN_CACHED_SET( lc );
992 LDAP_BACK_CONN_TAINTED_SET( lc );
997 rs->sr_err = avl_insert( &li->li_conninfo.lai_tree, (caddr_t)lc,
998 ldap_back_conndn_cmp, ldap_back_conndn_dup );
999 LDAP_BACK_CONN_CACHED_SET( lc );
1002 #if LDAP_BACK_PRINT_CONNTREE > 0
1003 ldap_back_print_conntree( li, "<<< ldap_back_getconn(insert)" );
1004 #endif /* LDAP_BACK_PRINT_CONNTREE */
1006 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1008 if ( LogTest( LDAP_DEBUG_TRACE ) ) {
1009 char buf[ SLAP_TEXT_BUFLEN ];
1011 snprintf( buf, sizeof( buf ),
1012 "lc=%p inserted refcnt=%u rc=%d",
1013 (void *)lc, refcnt, rs->sr_err );
1015 Debug( LDAP_DEBUG_TRACE,
1016 "=>ldap_back_getconn: %s: %s\n",
1017 op->o_log_prefix, buf, 0 );
1020 if ( !LDAP_BACK_PCONN_ISPRIV( lc ) ) {
1021 /* Err could be -1 in case a duplicate ldapconn is inserted */
1022 switch ( rs->sr_err ) {
1027 LDAP_BACK_CONN_CACHED_CLEAR( lc );
1028 if ( !( sendok & LDAP_BACK_BINDING ) && !LDAP_BACK_USE_TEMPORARIES( li ) ) {
1029 /* duplicate: free and try to get the newly created one */
1030 ldap_back_conn_free( lc );
1035 /* taint connection, so that it'll be freed when released */
1036 LDAP_BACK_CONN_TAINTED_SET( lc );
1040 LDAP_BACK_CONN_CACHED_CLEAR( lc );
1041 ldap_back_conn_free( lc );
1042 rs->sr_err = LDAP_OTHER;
1043 rs->sr_text = "proxy bind collision";
1044 if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
1045 send_ldap_result( op, rs );
1055 if ( ( li->li_idle_timeout != 0 && op->o_time > lc->lc_time + li->li_idle_timeout )
1056 || ( li->li_conn_ttl != 0 && op->o_time > lc->lc_create_time + li->li_conn_ttl ) )
1060 /* let it be used, but taint/delete it so that
1061 * no-one else can look it up any further */
1062 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
1064 #if LDAP_BACK_PRINT_CONNTREE > 0
1065 ldap_back_print_conntree( li, ">>> ldap_back_getconn(timeout)" );
1066 #endif /* LDAP_BACK_PRINT_CONNTREE */
1068 (void)ldap_back_conn_delete( li, lc );
1069 LDAP_BACK_CONN_TAINTED_SET( lc );
1071 #if LDAP_BACK_PRINT_CONNTREE > 0
1072 ldap_back_print_conntree( li, "<<< ldap_back_getconn(timeout)" );
1073 #endif /* LDAP_BACK_PRINT_CONNTREE */
1075 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1078 if ( LogTest( LDAP_DEBUG_TRACE ) ) {
1079 char buf[ SLAP_TEXT_BUFLEN ];
1081 snprintf( buf, sizeof( buf ),
1082 "conn %p fetched refcnt=%u%s",
1083 (void *)lc, refcnt, expiring ? " expiring" : "" );
1084 Debug( LDAP_DEBUG_TRACE,
1085 "=>ldap_back_getconn: %s.\n", buf, 0, 0 );
1091 #endif /* HAVE_TLS */
1097 ldap_back_release_conn_lock(
1103 ldapconn_t *lc = *lcp;
1106 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
1108 assert( lc->lc_refcnt > 0 );
1109 LDAP_BACK_CONN_BINDING_CLEAR( lc );
1111 if ( LDAP_BACK_CONN_TAINTED( lc ) ) {
1112 ldap_back_freeconn( li, lc, 0 );
1116 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1121 ldap_back_quarantine(
1125 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1127 slap_retry_info_t *ri = &li->li_quarantine;
1129 ldap_pvt_thread_mutex_lock( &li->li_quarantine_mutex );
1131 if ( rs->sr_err == LDAP_UNAVAILABLE ) {
1132 time_t new_last = slap_get_time();
1134 switch ( li->li_isquarantined ) {
1135 case LDAP_BACK_FQ_NO:
1136 if ( ri->ri_last == new_last ) {
1140 Debug( LDAP_DEBUG_ANY,
1141 "%s: ldap_back_quarantine enter.\n",
1142 op->o_log_prefix, 0, 0 );
1148 case LDAP_BACK_FQ_RETRYING:
1149 Debug( LDAP_DEBUG_ANY,
1150 "%s: ldap_back_quarantine block #%d try #%d failed.\n",
1151 op->o_log_prefix, ri->ri_idx, ri->ri_count );
1154 if ( ri->ri_num[ ri->ri_idx ] != SLAP_RETRYNUM_FOREVER
1155 && ri->ri_count == ri->ri_num[ ri->ri_idx ] )
1166 li->li_isquarantined = LDAP_BACK_FQ_YES;
1167 ri->ri_last = new_last;
1169 } else if ( li->li_isquarantined != LDAP_BACK_FQ_NO ) {
1170 if ( ri->ri_last == slap_get_time() ) {
1174 Debug( LDAP_DEBUG_ANY,
1175 "%s: ldap_back_quarantine exit (%d) err=%d.\n",
1176 op->o_log_prefix, li->li_isquarantined, rs->sr_err );
1178 if ( li->li_quarantine_f ) {
1179 (void)li->li_quarantine_f( li, li->li_quarantine_p );
1184 li->li_isquarantined = LDAP_BACK_FQ_NO;
1188 ldap_pvt_thread_mutex_unlock( &li->li_quarantine_mutex );
1192 * ldap_back_dobind_int
1194 * Note: dolock indicates whether li->li_conninfo.lai_mutex must be locked or not
1197 ldap_back_dobind_int(
1201 ldap_back_send_t sendok,
1205 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1208 struct berval binddn = slap_empty_bv,
1209 bindcred = slap_empty_bv;
1216 assert( lcp != NULL );
1217 assert( retries >= 0 );
1219 if ( sendok & LDAP_BACK_GETCONN ) {
1220 assert( *lcp == NULL );
1222 lc = ldap_back_getconn( op, rs, sendok, &binddn, &bindcred );
1232 assert( lc != NULL );
1236 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
1239 if ( binding == 0 ) {
1240 /* check if already bound */
1241 rc = isbound = LDAP_BACK_CONN_ISBOUND( lc );
1244 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1249 if ( LDAP_BACK_CONN_BINDING( lc ) ) {
1250 /* if someone else is about to bind it, give up and retry */
1252 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1254 ldap_pvt_thread_yield();
1258 /* otherwise this thread will bind it */
1259 LDAP_BACK_CONN_BINDING_SET( lc );
1265 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1269 * FIXME: we need to let clients use proxyAuthz
1270 * otherwise we cannot do symmetric pools of servers;
1271 * we have to live with the fact that a user can
1272 * authorize itself as any ID that is allowed
1273 * by the authzTo directive of the "proxyauthzdn".
1276 * NOTE: current Proxy Authorization specification
1277 * and implementation do not allow proxy authorization
1278 * control to be provided with Bind requests
1281 * if no bind took place yet, but the connection is bound
1282 * and the "idassert-authcDN" (or other ID) is set,
1283 * then bind as the asserting identity and explicitly
1284 * add the proxyAuthz control to every operation with the
1285 * dn bound to the connection as control value.
1286 * This is done also if this is the authrizing backend,
1287 * but the "override" flag is given to idassert.
1288 * It allows to use SASL bind and yet proxyAuthz users
1290 if ( LDAP_BACK_CONN_ISIDASSERT( lc ) ) {
1291 if ( BER_BVISEMPTY( &binddn ) && BER_BVISEMPTY( &bindcred ) ) {
1292 /* if we got here, it shouldn't return result */
1293 rc = ldap_back_is_proxy_authz( op, rs,
1294 LDAP_BACK_DONTSEND, &binddn, &bindcred );
1297 rc = ldap_back_proxy_authz_bind( lc, op, rs, sendok, &binddn, &bindcred );
1301 #ifdef HAVE_CYRUS_SASL
1302 if ( LDAP_BACK_CONN_ISPRIV( lc )
1303 && li->li_acl_authmethod == LDAP_AUTH_SASL )
1305 void *defaults = NULL;
1307 if ( li->li_acl_secprops != NULL ) {
1308 rc = ldap_set_option( lc->lc_ld,
1309 LDAP_OPT_X_SASL_SECPROPS, li->li_acl_secprops );
1311 if ( rc != LDAP_OPT_SUCCESS ) {
1312 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
1313 "(SECPROPS,\"%s\") failed!\n",
1314 li->li_acl_secprops, 0, 0 );
1319 defaults = lutil_sasl_defaults( lc->lc_ld,
1320 li->li_acl_sasl_mech.bv_val,
1321 li->li_acl_sasl_realm.bv_val,
1322 li->li_acl_authcID.bv_val,
1323 li->li_acl_passwd.bv_val,
1326 rs->sr_err = ldap_sasl_interactive_bind_s( lc->lc_ld,
1327 li->li_acl_authcDN.bv_val,
1328 li->li_acl_sasl_mech.bv_val, NULL, NULL,
1329 LDAP_SASL_QUIET, lutil_sasl_interact,
1332 lutil_sasl_freedefs( defaults );
1334 rs->sr_err = slap_map_api2result( rs );
1335 if ( rs->sr_err != LDAP_SUCCESS ) {
1336 LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
1337 if ( sendok & LDAP_BACK_SENDERR ) {
1338 send_ldap_result( op, rs );
1342 LDAP_BACK_CONN_ISBOUND_SET( lc );
1345 if ( LDAP_BACK_QUARANTINE( li ) ) {
1346 ldap_back_quarantine( op, rs );
1351 #endif /* HAVE_CYRUS_SASL */
1354 rs->sr_err = ldap_sasl_bind( lc->lc_ld,
1355 BER_BVISNULL( &lc->lc_cred ) ? "" : lc->lc_bound_ndn.bv_val,
1356 LDAP_SASL_SIMPLE, &lc->lc_cred,
1357 NULL, NULL, &msgid );
1359 if ( rs->sr_err == LDAP_SERVER_DOWN ) {
1360 if ( retries != LDAP_BACK_RETRY_NEVER ) {
1362 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
1365 assert( lc->lc_refcnt > 0 );
1366 if ( lc->lc_refcnt == 1 ) {
1367 ldap_unbind_ext( lc->lc_ld, NULL, NULL );
1370 /* lc here must be the regular lc, reset and ready for init */
1371 rs->sr_err = ldap_back_prepare_conn( lc, op, rs, sendok );
1372 if ( rs->sr_err != LDAP_SUCCESS ) {
1378 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1381 if ( rs->sr_err == LDAP_SUCCESS ) {
1382 if ( retries > 0 ) {
1389 assert( lc->lc_refcnt == 1 );
1391 ldap_back_freeconn( li, lc, dolock );
1393 rs->sr_err = slap_map_api2result( rs );
1395 if ( LDAP_BACK_QUARANTINE( li ) ) {
1396 ldap_back_quarantine( op, rs );
1399 if ( rs->sr_err != LDAP_SUCCESS &&
1400 ( sendok & LDAP_BACK_SENDERR ) )
1402 send_ldap_result( op, rs );
1408 rc = ldap_back_op_result( lc, op, rs, msgid,
1409 -1, (sendok|LDAP_BACK_BINDING) );
1410 if ( rc == LDAP_SUCCESS ) {
1411 LDAP_BACK_CONN_ISBOUND_SET( lc );
1415 LDAP_BACK_CONN_BINDING_CLEAR( lc );
1416 rc = LDAP_BACK_CONN_ISBOUND( lc );
1418 ldap_back_release_conn_lock( li, lcp, dolock );
1420 } else if ( LDAP_BACK_SAVECRED( li ) ) {
1421 ldap_set_rebind_proc( lc->lc_ld, li->li_rebind_f, lc );
1430 * Note: dolock indicates whether li->li_conninfo.lai_mutex must be locked or not
1433 ldap_back_dobind( ldapconn_t **lcp, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
1435 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1437 return ldap_back_dobind_int( lcp, op, rs,
1438 ( sendok | LDAP_BACK_GETCONN ), li->li_nretries, 1 );
1442 * ldap_back_default_rebind
1444 * This is a callback used for chasing referrals using the same
1445 * credentials as the original user on this session.
1448 ldap_back_default_rebind( LDAP *ld, LDAP_CONST char *url, ber_tag_t request,
1449 ber_int_t msgid, void *params )
1451 ldapconn_t *lc = (ldapconn_t *)params;
1454 /* ... otherwise we couldn't get here */
1455 assert( lc != NULL );
1457 if ( !ldap_tls_inplace( ld ) ) {
1458 int is_tls = LDAP_BACK_CONN_ISTLS( lc ),
1460 const char *text = NULL;
1462 rc = ldap_back_start_tls( ld, 0, &is_tls, url, lc->lc_flags,
1463 LDAP_BACK_RETRY_DEFAULT, &text );
1464 if ( rc != LDAP_SUCCESS ) {
1468 #endif /* HAVE_TLS */
1470 /* FIXME: add checks on the URL/identity? */
1472 return ldap_sasl_bind_s( ld,
1473 BER_BVISNULL( &lc->lc_cred ) ? "" : lc->lc_bound_ndn.bv_val,
1474 LDAP_SASL_SIMPLE, &lc->lc_cred, NULL, NULL, NULL );
1478 * ldap_back_default_urllist
1481 ldap_back_default_urllist(
1483 LDAPURLDesc **urllist,
1487 ldapinfo_t *li = (ldapinfo_t *)params;
1488 LDAPURLDesc **urltail;
1490 if ( urllist == url ) {
1491 return LDAP_SUCCESS;
1494 for ( urltail = &(*url)->lud_next; *urltail; urltail = &(*urltail)->lud_next )
1497 *urltail = *urllist;
1501 ldap_pvt_thread_mutex_lock( &li->li_uri_mutex );
1503 ch_free( li->li_uri );
1506 ldap_get_option( ld, LDAP_OPT_URI, (void *)&li->li_uri );
1507 ldap_pvt_thread_mutex_unlock( &li->li_uri_mutex );
1509 return LDAP_SUCCESS;
1518 ldap_back_send_t sendok )
1520 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1522 /* default behavior */
1523 if ( LDAP_BACK_ABANDON( li ) ) {
1524 return ldap_abandon_ext( lc->lc_ld, msgid, NULL, NULL );
1527 if ( LDAP_BACK_IGNORE( li ) ) {
1528 return ldap_pvt_discard( lc->lc_ld, msgid );
1531 if ( LDAP_BACK_CANCEL( li ) ) {
1532 /* FIXME: asynchronous? */
1533 return ldap_cancel_s( lc->lc_ld, msgid, NULL, NULL );
1542 ldap_back_op_result(
1548 ldap_back_send_t sendok )
1550 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1555 LDAPControl **ctrls = NULL;
1557 #define ERR_OK(err) ((err) == LDAP_SUCCESS || (err) == LDAP_COMPARE_FALSE || (err) == LDAP_COMPARE_TRUE)
1560 rs->sr_matched = NULL;
1562 rs->sr_ctrls = NULL;
1564 /* if the error recorded in the reply corresponds
1565 * to a successful state, get the error from the
1566 * remote server response */
1567 if ( ERR_OK( rs->sr_err ) ) {
1570 LDAPMessage *res = NULL;
1571 time_t stoptime = (time_t)(-1);
1572 int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
1573 LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
1574 const char *timeout_text = "Operation timed out";
1576 /* if timeout is not specified, compute and use
1577 * the one specific to the ongoing operation */
1578 if ( timeout == (time_t)(-1) ) {
1579 slap_op_t opidx = slap_req2op( op->o_tag );
1581 if ( opidx == SLAP_OP_SEARCH ) {
1582 if ( op->ors_tlimit <= 0 ) {
1586 timeout = op->ors_tlimit;
1587 timeout_err = LDAP_TIMELIMIT_EXCEEDED;
1588 timeout_text = NULL;
1592 timeout = li->li_timeout[ opidx ];
1596 /* better than nothing :) */
1597 if ( timeout == 0 ) {
1598 if ( li->li_idle_timeout ) {
1599 timeout = li->li_idle_timeout;
1601 } else if ( li->li_conn_ttl ) {
1602 timeout = li->li_conn_ttl;
1607 stoptime = op->o_time + timeout;
1610 LDAP_BACK_TV_SET( &tv );
1613 /* if result parsing fails, note the failure reason */
1614 rc = ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
1617 if ( timeout && slap_get_time() > stoptime ) {
1618 if ( sendok & LDAP_BACK_BINDING ) {
1619 ldap_unbind_ext( lc->lc_ld, NULL, NULL );
1621 LDAP_BACK_CONN_TAINTED_SET( lc );
1624 (void)ldap_back_cancel( lc, op, rs, msgid, sendok );
1626 rs->sr_err = timeout_err;
1627 rs->sr_text = timeout_text;
1632 LDAP_BACK_TV_SET( &tv );
1633 ldap_pvt_thread_yield();
1637 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1642 /* otherwise get the result; if it is not
1643 * LDAP_SUCCESS, record it in the reply
1644 * structure (this includes
1645 * LDAP_COMPARE_{TRUE|FALSE}) */
1647 /* only touch when activity actually took place... */
1648 if ( li->li_idle_timeout && lc ) {
1649 lc->lc_time = op->o_time;
1652 rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err,
1653 &match, &text, &refs, &ctrls, 1 );
1655 if ( rc != LDAP_SUCCESS ) {
1658 if ( refs != NULL ) {
1661 for ( i = 0; refs[ i ] != NULL; i++ )
1663 rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
1665 for ( i = 0; refs[ i ] != NULL; i++ ) {
1666 ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
1668 BER_BVZERO( &rs->sr_ref[ i ] );
1670 if ( ctrls != NULL ) {
1671 rs->sr_ctrls = ctrls;
1676 /* if the error in the reply structure is not
1677 * LDAP_SUCCESS, try to map it from client
1678 * to server error */
1679 if ( !ERR_OK( rs->sr_err ) ) {
1680 rs->sr_err = slap_map_api2result( rs );
1682 /* internal ops ( op->o_conn == NULL )
1683 * must not reply to client */
1684 if ( op->o_conn && !op->o_do_not_cache && match ) {
1686 /* record the (massaged) matched
1687 * DN into the reply structure */
1688 rs->sr_matched = match;
1692 if ( rs->sr_err == LDAP_UNAVAILABLE ) {
1693 if ( !( sendok & LDAP_BACK_RETRYING ) ) {
1694 if ( LDAP_BACK_QUARANTINE( li ) ) {
1695 ldap_back_quarantine( op, rs );
1697 if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
1698 send_ldap_result( op, rs );
1702 } else if ( op->o_conn &&
1703 ( ( ( sendok & LDAP_BACK_SENDOK ) && ERR_OK( rs->sr_err ) )
1704 || ( ( sendok & LDAP_BACK_SENDERR ) && rs->sr_err != LDAP_SUCCESS ) ) )
1706 send_ldap_result( op, rs );
1710 if ( rs->sr_matched != match ) {
1711 free( (char *)rs->sr_matched );
1713 rs->sr_matched = NULL;
1714 ldap_memfree( match );
1718 ldap_memfree( text );
1723 assert( refs != NULL );
1724 ber_memvfree( (void **)refs );
1725 op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
1730 assert( rs->sr_ctrls != NULL );
1731 ldap_controls_free( ctrls );
1732 rs->sr_ctrls = NULL;
1735 return( ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
1738 /* return true if bound, false if failed */
1740 ldap_back_retry( ldapconn_t **lcp, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
1742 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1746 assert( lcp != NULL );
1747 assert( *lcp != NULL );
1749 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
1751 if ( (*lcp)->lc_refcnt == 1 ) {
1752 binding = LDAP_BACK_CONN_BINDING( *lcp );
1754 ldap_pvt_thread_mutex_lock( &li->li_uri_mutex );
1755 Debug( LDAP_DEBUG_ANY,
1756 "%s ldap_back_retry: retrying URI=\"%s\" DN=\"%s\"\n",
1757 op->o_log_prefix, li->li_uri,
1758 BER_BVISNULL( &(*lcp)->lc_bound_ndn ) ?
1759 "" : (*lcp)->lc_bound_ndn.bv_val );
1760 ldap_pvt_thread_mutex_unlock( &li->li_uri_mutex );
1762 ldap_unbind_ext( (*lcp)->lc_ld, NULL, NULL );
1763 (*lcp)->lc_ld = NULL;
1764 LDAP_BACK_CONN_ISBOUND_CLEAR( (*lcp) );
1766 /* lc here must be the regular lc, reset and ready for init */
1767 rc = ldap_back_prepare_conn( *lcp, op, rs, sendok );
1768 if ( rc != LDAP_SUCCESS ) {
1769 /* freeit, because lc_refcnt == 1 */
1770 (*lcp)->lc_refcnt = 0;
1771 (void)ldap_back_freeconn( li, *lcp, 0 );
1775 } else if ( ( sendok & LDAP_BACK_BINDING ) ) {
1777 LDAP_BACK_CONN_BINDING_SET( *lcp );
1782 rc = ldap_back_dobind_int( lcp, op, rs, sendok, 0, 0 );
1783 if ( rc == 0 && *lcp != NULL ) {
1784 /* freeit, because lc_refcnt == 1 */
1785 (*lcp)->lc_refcnt = 0;
1786 LDAP_BACK_CONN_TAINTED_SET( *lcp );
1787 (void)ldap_back_freeconn( li, *lcp, 0 );
1793 Debug( LDAP_DEBUG_TRACE,
1794 "ldap_back_retry: conn %p refcnt=%u unable to retry.\n",
1795 (void *)(*lcp), (*lcp)->lc_refcnt, 0 );
1797 LDAP_BACK_CONN_TAINTED_SET( *lcp );
1798 ldap_back_release_conn_lock( li, lcp, 0 );
1799 assert( *lcp == NULL );
1802 rs->sr_err = LDAP_UNAVAILABLE;
1803 rs->sr_text = "unable to retry";
1804 send_ldap_result( op, rs );
1808 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
1814 ldap_back_is_proxy_authz( Operation *op, SlapReply *rs, ldap_back_send_t sendok,
1815 struct berval *binddn, struct berval *bindcred )
1817 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1821 if ( op->o_conn == NULL || op->o_do_not_cache ) {
1825 /* don't proxyAuthz if protocol is not LDAPv3 */
1826 switch ( li->li_version ) {
1831 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
1837 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1838 if ( sendok & LDAP_BACK_SENDERR ) {
1839 send_ldap_result( op, rs );
1846 *binddn = slap_empty_bv;
1847 *bindcred = slap_empty_bv;
1849 if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
1850 ndn = op->o_conn->c_ndn;
1856 switch ( li->li_idassert_mode ) {
1857 case LDAP_BACK_IDASSERT_LEGACY:
1858 if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
1859 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) && !BER_BVISEMPTY( &li->li_idassert_authcDN ) )
1861 *binddn = li->li_idassert_authcDN;
1862 *bindcred = li->li_idassert_passwd;
1869 /* NOTE: rootdn can always idassert */
1870 if ( BER_BVISNULL( &ndn )
1871 && li->li_idassert_authz == NULL
1872 && !( li->li_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
1874 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1875 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
1876 if ( sendok & LDAP_BACK_SENDERR ) {
1877 send_ldap_result( op, rs );
1882 rs->sr_err = LDAP_SUCCESS;
1883 *binddn = slap_empty_bv;
1884 *bindcred = slap_empty_bv;
1890 } else if ( li->li_idassert_authz && !be_isroot( op ) ) {
1891 struct berval authcDN;
1893 if ( BER_BVISNULL( &ndn ) ) {
1894 authcDN = slap_empty_bv;
1899 rs->sr_err = slap_sasl_matches( op, li->li_idassert_authz,
1900 &authcDN, &authcDN );
1901 if ( rs->sr_err != LDAP_SUCCESS ) {
1902 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1903 if ( sendok & LDAP_BACK_SENDERR ) {
1904 send_ldap_result( op, rs );
1909 rs->sr_err = LDAP_SUCCESS;
1910 *binddn = slap_empty_bv;
1911 *bindcred = slap_empty_bv;
1919 *binddn = li->li_idassert_authcDN;
1920 *bindcred = li->li_idassert_passwd;
1930 ldap_back_proxy_authz_bind(
1934 ldap_back_send_t sendok,
1935 struct berval *binddn,
1936 struct berval *bindcred )
1938 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
1943 if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
1944 ndn = op->o_conn->c_ndn;
1950 if ( li->li_idassert_authmethod == LDAP_AUTH_SASL ) {
1951 #ifdef HAVE_CYRUS_SASL
1952 void *defaults = NULL;
1953 struct berval authzID = BER_BVNULL;
1956 /* if SASL supports native authz, prepare for it */
1957 if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
1958 ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
1960 switch ( li->li_idassert_mode ) {
1961 case LDAP_BACK_IDASSERT_OTHERID:
1962 case LDAP_BACK_IDASSERT_OTHERDN:
1963 authzID = li->li_idassert_authzID;
1966 case LDAP_BACK_IDASSERT_ANONYMOUS:
1967 BER_BVSTR( &authzID, "dn:" );
1970 case LDAP_BACK_IDASSERT_SELF:
1971 if ( BER_BVISNULL( &ndn ) ) {
1972 /* connection is not authc'd, so don't idassert */
1973 BER_BVSTR( &authzID, "dn:" );
1976 authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1977 authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
1978 AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1979 AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
1980 ndn.bv_val, ndn.bv_len + 1 );
1989 if ( li->li_idassert_secprops != NULL ) {
1990 rs->sr_err = ldap_set_option( lc->lc_ld,
1991 LDAP_OPT_X_SASL_SECPROPS,
1992 (void *)li->li_idassert_secprops );
1994 if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
1995 rs->sr_err = LDAP_OTHER;
1996 if ( sendok & LDAP_BACK_SENDERR ) {
1997 send_ldap_result( op, rs );
1999 LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
2004 defaults = lutil_sasl_defaults( lc->lc_ld,
2005 li->li_idassert_sasl_mech.bv_val,
2006 li->li_idassert_sasl_realm.bv_val,
2007 li->li_idassert_authcID.bv_val,
2008 li->li_idassert_passwd.bv_val,
2011 rs->sr_err = ldap_sasl_interactive_bind_s( lc->lc_ld, binddn->bv_val,
2012 li->li_idassert_sasl_mech.bv_val, NULL, NULL,
2013 LDAP_SASL_QUIET, lutil_sasl_interact,
2016 rs->sr_err = slap_map_api2result( rs );
2017 if ( rs->sr_err != LDAP_SUCCESS ) {
2018 LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
2019 if ( sendok & LDAP_BACK_SENDERR ) {
2020 send_ldap_result( op, rs );
2024 LDAP_BACK_CONN_ISBOUND_SET( lc );
2027 lutil_sasl_freedefs( defaults );
2029 slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
2033 #endif /* HAVE_CYRUS_SASL */
2036 switch ( li->li_idassert_authmethod ) {
2037 case LDAP_AUTH_NONE:
2038 /* FIXME: do we really need this? */
2039 BER_BVSTR( binddn, "" );
2040 BER_BVSTR( bindcred, "" );
2043 case LDAP_AUTH_SIMPLE:
2044 rs->sr_err = ldap_sasl_bind( lc->lc_ld,
2045 binddn->bv_val, LDAP_SASL_SIMPLE,
2046 bindcred, NULL, NULL, &msgid );
2047 rc = ldap_back_op_result( lc, op, rs, msgid,
2048 -1, (sendok|LDAP_BACK_BINDING) );
2053 LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
2054 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
2055 if ( sendok & LDAP_BACK_SENDERR ) {
2056 send_ldap_result( op, rs );
2061 if ( rc == LDAP_SUCCESS ) {
2062 /* set rebind stuff in case of successful proxyAuthz bind,
2063 * so that referral chasing is attempted using the right
2065 LDAP_BACK_CONN_ISBOUND_SET( lc );
2066 ber_bvreplace( &lc->lc_bound_ndn, binddn );
2068 if ( !BER_BVISNULL( &lc->lc_cred ) ) {
2069 memset( lc->lc_cred.bv_val, 0,
2070 lc->lc_cred.bv_len );
2073 if ( LDAP_BACK_SAVECRED( li ) ) {
2074 ber_bvreplace( &lc->lc_cred, bindcred );
2075 ldap_set_rebind_proc( lc->lc_ld, li->li_rebind_f, lc );
2078 lc->lc_cred.bv_len = 0;
2082 return LDAP_BACK_CONN_ISBOUND( lc );
2086 * ldap_back_proxy_authz_ctrl() prepends a proxyAuthz control
2087 * to existing server-side controls if required; if not,
2088 * the existing server-side controls are placed in *pctrls.
2089 * The caller, after using the controls in client API
2090 * operations, if ( *pctrls != op->o_ctrls ), should
2091 * free( (*pctrls)[ 0 ] ) and free( *pctrls ).
2092 * The function returns success if the control could
2093 * be added if required, or if it did nothing; in the future,
2094 * it might return some error if it failed.
2096 * if no bind took place yet, but the connection is bound
2097 * and the "proxyauthzdn" is set, then bind as "proxyauthzdn"
2098 * and explicitly add proxyAuthz the control to every operation
2099 * with the dn bound to the connection as control value.
2101 * If no server-side controls are defined for the operation,
2102 * simply add the proxyAuthz control; otherwise, if the
2103 * proxyAuthz control is not already set, add it as
2106 * FIXME: is controls order significant for security?
2107 * ANSWER: controls ordering and interoperability
2108 * must be indicated by the specs of each control; if none
2109 * is specified, the order is irrelevant.
2112 ldap_back_proxy_authz_ctrl(
2113 struct berval *bound_ndn,
2115 slap_idassert_t *si,
2118 LDAPControl ***pctrls )
2120 LDAPControl **ctrls = NULL;
2122 slap_idassert_mode_t mode;
2123 struct berval assertedID,
2129 rs->sr_err = LDAP_SUCCESS;
2131 /* don't proxyAuthz if protocol is not LDAPv3 */
2132 switch ( version ) {
2137 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
2146 /* FIXME: SASL/EXTERNAL over ldapi:// doesn't honor the authcID,
2147 * but if it is not set this test fails. We need a different
2148 * means to detect if idassert is enabled */
2149 if ( ( BER_BVISNULL( &si->si_bc.sb_authcId ) || BER_BVISEMPTY( &si->si_bc.sb_authcId ) )
2150 && ( BER_BVISNULL( &si->si_bc.sb_binddn ) || BER_BVISEMPTY( &si->si_bc.sb_binddn ) ) )
2155 if ( !op->o_conn || op->o_do_not_cache || ( isroot = be_isroot( op ) ) ) {
2159 if ( op->o_tag == LDAP_REQ_BIND ) {
2160 ndn = op->o_req_ndn;
2162 } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
2163 ndn = op->o_conn->c_ndn;
2169 if ( si->si_mode == LDAP_BACK_IDASSERT_LEGACY ) {
2170 if ( op->o_proxy_authz ) {
2172 * FIXME: we do not want to perform proxyAuthz
2173 * on behalf of the client, because this would
2174 * be performed with "proxyauthzdn" privileges.
2176 * This might actually be too strict, since
2177 * the "proxyauthzdn" authzTo, and each entry's
2178 * authzFrom attributes may be crafted
2179 * to avoid unwanted proxyAuthz to take place.
2182 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
2183 rs->sr_text = "proxyAuthz not allowed within namingContext";
2188 if ( !BER_BVISNULL( bound_ndn ) ) {
2192 if ( BER_BVISNULL( &ndn ) ) {
2196 if ( BER_BVISNULL( &si->si_bc.sb_binddn ) ) {
2200 } else if ( si->si_bc.sb_method == LDAP_AUTH_SASL ) {
2201 if ( ( si->si_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
2203 /* already asserted in SASL via native authz */
2207 } else if ( si->si_authz && !isroot ) {
2209 struct berval authcDN;
2211 if ( BER_BVISNULL( &ndn ) ) {
2212 authcDN = slap_empty_bv;
2216 rc = slap_sasl_matches( op, si->si_authz,
2217 &authcDN, & authcDN );
2218 if ( rc != LDAP_SUCCESS ) {
2219 if ( si->si_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
2220 /* ndn is not authorized
2221 * to use idassert */
2228 if ( op->o_proxy_authz ) {
2231 * 1) ignore the already set proxyAuthz control
2232 * 2) leave it in place, and don't set ours
2234 * 4) reject the operation
2236 * option (4) is very drastic
2237 * option (3) will make the remote server reject
2238 * the operation, thus being equivalent to (4)
2239 * option (2) will likely break the idassert
2240 * assumptions, so we cannot accept it;
2241 * option (1) means that we are contradicting
2242 * the client's reques.
2244 * I think (4) is the only correct choice.
2246 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
2247 rs->sr_text = "proxyAuthz not allowed within namingContext";
2250 if ( op->o_is_auth_check ) {
2251 mode = LDAP_BACK_IDASSERT_NOASSERT;
2258 case LDAP_BACK_IDASSERT_LEGACY:
2259 /* original behavior:
2260 * assert the client's identity */
2261 case LDAP_BACK_IDASSERT_SELF:
2265 case LDAP_BACK_IDASSERT_ANONYMOUS:
2266 /* assert "anonymous" */
2267 assertedID = slap_empty_bv;
2270 case LDAP_BACK_IDASSERT_NOASSERT:
2271 /* don't assert; bind as proxyauthzdn */
2274 case LDAP_BACK_IDASSERT_OTHERID:
2275 case LDAP_BACK_IDASSERT_OTHERDN:
2276 /* assert idassert DN */
2277 assertedID = si->si_bc.sb_authzId;
2284 /* if we got here, "" is allowed to proxyAuthz */
2285 if ( BER_BVISNULL( &assertedID ) ) {
2286 assertedID = slap_empty_bv;
2289 /* don't idassert the bound DN (ITS#4497) */
2290 if ( dn_match( &assertedID, bound_ndn ) ) {
2294 if ( op->o_ctrls ) {
2295 for ( i = 0; op->o_ctrls[ i ]; i++ )
2296 /* just count ctrls */ ;
2299 ctrls = op->o_tmpalloc( sizeof( LDAPControl * ) * (i + 2) + sizeof( LDAPControl ),
2301 ctrls[ 0 ] = (LDAPControl *)&ctrls[ i + 2 ];
2303 ctrls[ 0 ]->ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
2304 ctrls[ 0 ]->ldctl_iscritical = 1;
2306 switch ( si->si_mode ) {
2307 /* already in u:ID or dn:DN form */
2308 case LDAP_BACK_IDASSERT_OTHERID:
2309 case LDAP_BACK_IDASSERT_OTHERDN:
2310 ber_dupbv_x( &ctrls[ 0 ]->ldctl_value, &assertedID, op->o_tmpmemctx );
2313 /* needs the dn: prefix */
2315 ctrls[ 0 ]->ldctl_value.bv_len = assertedID.bv_len + STRLENOF( "dn:" );
2316 ctrls[ 0 ]->ldctl_value.bv_val = op->o_tmpalloc( ctrls[ 0 ]->ldctl_value.bv_len + 1,
2318 AC_MEMCPY( ctrls[ 0 ]->ldctl_value.bv_val, "dn:", STRLENOF( "dn:" ) );
2319 AC_MEMCPY( &ctrls[ 0 ]->ldctl_value.bv_val[ STRLENOF( "dn:" ) ],
2320 assertedID.bv_val, assertedID.bv_len + 1 );
2324 /* Older versions of <draft-weltman-ldapv3-proxy> required
2325 * to encode the value of the authzID (and called it proxyDN);
2326 * this hack provides compatibility with those DSAs that
2327 * implement it this way */
2328 if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
2329 struct berval authzID = ctrls[ 0 ]->ldctl_value;
2330 BerElementBuffer berbuf;
2331 BerElement *ber = (BerElement *)&berbuf;
2334 ber_init2( ber, 0, LBER_USE_DER );
2335 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
2337 tag = ber_printf( ber, "O", &authzID );
2338 if ( tag == LBER_ERROR ) {
2339 rs->sr_err = LDAP_OTHER;
2343 if ( ber_flatten2( ber, &ctrls[ 0 ]->ldctl_value, 1 ) == -1 ) {
2344 rs->sr_err = LDAP_OTHER;
2349 op->o_tmpfree( authzID.bv_val, op->o_tmpmemctx );
2350 ber_free_buf( ber );
2352 if ( rs->sr_err != LDAP_SUCCESS ) {
2353 op->o_tmpfree( ctrls, op->o_tmpmemctx );
2358 } else if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
2359 struct berval authzID = ctrls[ 0 ]->ldctl_value,
2361 BerElementBuffer berbuf;
2362 BerElement *ber = (BerElement *)&berbuf;
2365 if ( strncasecmp( authzID.bv_val, "dn:", STRLENOF( "dn:" ) ) != 0 ) {
2366 op->o_tmpfree( ctrls[ 0 ]->ldctl_value.bv_val, op->o_tmpmemctx );
2367 op->o_tmpfree( ctrls, op->o_tmpmemctx );
2369 rs->sr_err = LDAP_PROTOCOL_ERROR;
2374 tmp.bv_val += STRLENOF( "dn:" );
2375 tmp.bv_len -= STRLENOF( "dn:" );
2377 ber_init2( ber, 0, LBER_USE_DER );
2378 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
2380 /* apparently, Mozilla API encodes this
2381 * as "SEQUENCE { LDAPDN }" */
2382 tag = ber_printf( ber, "{O}", &tmp );
2383 if ( tag == LBER_ERROR ) {
2384 rs->sr_err = LDAP_OTHER;
2388 if ( ber_flatten2( ber, &ctrls[ 0 ]->ldctl_value, 1 ) == -1 ) {
2389 rs->sr_err = LDAP_OTHER;
2394 op->o_tmpfree( authzID.bv_val, op->o_tmpmemctx );
2395 ber_free_buf( ber );
2397 if ( rs->sr_err != LDAP_SUCCESS ) {
2398 op->o_tmpfree( ctrls, op->o_tmpmemctx );
2403 ctrls[ 0 ]->ldctl_oid = LDAP_CONTROL_OBSOLETE_PROXY_AUTHZ;
2406 if ( op->o_ctrls ) {
2407 for ( i = 0; op->o_ctrls[ i ]; i++ ) {
2408 ctrls[ i + 1 ] = op->o_ctrls[ i ];
2411 ctrls[ i + 1 ] = NULL;
2414 if ( ctrls == NULL ) {
2415 ctrls = op->o_ctrls;
2424 ldap_back_proxy_authz_ctrl_free( Operation *op, LDAPControl ***pctrls )
2426 LDAPControl **ctrls = *pctrls;
2428 /* we assume that the first control is the proxyAuthz
2429 * added by back-ldap, so it's the only one we explicitly
2431 if ( ctrls && ctrls != op->o_ctrls ) {
2432 assert( ctrls[ 0 ] != NULL );
2434 if ( !BER_BVISNULL( &ctrls[ 0 ]->ldctl_value ) ) {
2435 op->o_tmpfree( ctrls[ 0 ]->ldctl_value.bv_val, op->o_tmpmemctx );
2438 op->o_tmpfree( ctrls, op->o_tmpmemctx );