1 /* bind.c - ldap backend bind function */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1999-2004 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 the Howard Chu for inclusion
20 * in OpenLDAP Software and subsequently enhanced by Pierangelo
28 #include <ac/socket.h>
29 #include <ac/string.h>
33 #include "back-ldap.h"
35 #include <lutil_ldap.h>
37 #define PRINT_CONNTREE 0
39 static LDAP_REBIND_PROC ldap_back_rebind;
46 struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
49 struct berval mdn = BER_BVNULL;
54 lc = ldap_back_getconn(op, rs);
60 * Rewrite the bind dn if needed
62 dc.rwmap = &li->rwmap;
71 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
72 send_ldap_result( op, rs );
76 if ( !BER_BVISNULL( &lc->bound_dn ) ) {
77 ch_free( lc->bound_dn.bv_val );
78 BER_BVZERO( &lc->bound_dn );
81 /* method is always LDAP_AUTH_SIMPLE if we got here */
82 rs->sr_err = ldap_sasl_bind(lc->ld, mdn.bv_val, LDAP_SASL_SIMPLE,
83 &op->oq_bind.rb_cred, op->o_ctrls, NULL, &msgid);
84 rc = ldap_back_op_result( lc, op, rs, msgid, 1 );
85 if (rc == LDAP_SUCCESS) {
87 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
90 ber_dupbv( &lc->bound_dn, &op->o_req_dn );
95 if ( !BER_BVISNULL( &lc->cred ) ) {
96 memset( lc->cred.bv_val, 0, lc->cred.bv_len );
97 ch_free( lc->cred.bv_val );
99 ber_dupbv( &lc->cred, &op->oq_bind.rb_cred );
100 ldap_set_rebind_proc( lc->ld, ldap_back_rebind, lc );
104 /* must re-insert if local DN changed as result of bind */
105 if ( lc->bound && !bvmatch(&op->o_req_ndn, &lc->local_dn ) ) {
108 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
109 lc = avl_delete( &li->conntree, (caddr_t)lc,
110 ldap_back_conn_cmp );
111 if ( !BER_BVISNULL( &lc->local_dn ) )
112 ch_free( lc->local_dn.bv_val );
113 ber_dupbv( &lc->local_dn, &op->o_req_ndn );
114 lerr = avl_insert( &li->conntree, (caddr_t)lc,
115 ldap_back_conn_cmp, ldap_back_conn_dup );
116 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
118 ldap_back_conn_free( lc );
122 if ( !BER_BVISNULL( &mdn ) && mdn.bv_val != op->o_req_dn.bv_val ) {
132 * compares two struct ldapconn based on the value of the conn pointer;
141 const struct ldapconn *lc1 = (const struct ldapconn *)c1;
142 const struct ldapconn *lc2 = (const struct ldapconn *)c2;
145 /* If local DNs don't match, it is definitely not a match */
146 if ( ( rc = ber_bvcmp( &lc1->local_dn, &lc2->local_dn )) )
149 /* For shared sessions, conn is NULL. Only explicitly
150 * bound sessions will have non-NULL conn.
152 return SLAP_PTRCMP(lc1->conn, lc2->conn);
158 * returns -1 in case a duplicate struct ldapconn has been inserted;
167 struct ldapconn *lc1 = (struct ldapconn *)c1;
168 struct ldapconn *lc2 = (struct ldapconn *)c2;
170 /* Cannot have more than one shared session with same DN */
171 if ( dn_match( &lc1->local_dn, &lc2->local_dn ) &&
172 lc1->conn == lc2->conn ) return -1;
177 #if PRINT_CONNTREE > 0
178 static void ravl_print( Avlnode *root, int depth )
186 ravl_print( root->avl_right, depth+1 );
188 for ( i = 0; i < depth; i++ )
192 printf( "lc(%lx) local(%s) conn(%lx) %d\n",
193 lc, lc->local_dn.bv_val, lc->conn, root->avl_bf );
195 ravl_print( root->avl_left, depth+1 );
198 static void myprint( Avlnode *root )
200 printf( "********\n" );
203 printf( "\tNULL\n" );
206 ravl_print( root, 0 );
208 printf( "********\n" );
210 #endif /* PRINT_CONNTREE */
213 ldap_back_freeconn( Operation *op, struct ldapconn *lc )
215 struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
217 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
218 lc = avl_delete( &li->conntree, (caddr_t)lc,
219 ldap_back_conn_cmp );
220 ldap_back_conn_free( (void *)lc );
221 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
227 ldap_back_getconn(Operation *op, SlapReply *rs)
229 struct ldapinfo *li = (struct ldapinfo *)op->o_bd->be_private;
230 struct ldapconn *lc, lc_curr;
234 /* Searches for a ldapconn in the avl tree */
236 /* Explicit binds must not be shared */
237 if ( op->o_tag == LDAP_REQ_BIND
239 && (op->o_bd == op->o_conn->c_authz_backend ))) {
240 lc_curr.conn = op->o_conn;
246 /* Internal searches are privileged and shared. So is root. */
247 if ( op->o_do_not_cache || be_isroot( op ) ) {
248 lc_curr.local_dn = op->o_bd->be_rootndn;
253 lc_curr.local_dn = op->o_ndn;
256 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
257 lc = (struct ldapconn *)avl_find( li->conntree,
258 (caddr_t)&lc_curr, ldap_back_conn_cmp );
259 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
261 /* Looks like we didn't get a bind. Open a new session... */
263 int vers = op->o_protocol;
264 rs->sr_err = ldap_initialize(&ld, li->url);
266 if (rs->sr_err != LDAP_SUCCESS) {
267 rs->sr_err = slap_map_api2result( rs );
268 if (rs->sr_text == NULL) {
269 rs->sr_text = "ldap_initialize() failed";
271 if (op->o_conn) send_ldap_result( op, rs );
275 /* Set LDAP version. This will always succeed: If the client
276 * bound with a particular version, then so can we.
278 ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION,
279 (const void *)&vers);
280 /* FIXME: configurable? */
281 ldap_set_option(ld, LDAP_OPT_REFERRALS, LDAP_OPT_ON);
283 lc = (struct ldapconn *)ch_malloc(sizeof(struct ldapconn));
284 lc->conn = lc_curr.conn;
286 ber_dupbv( &lc->local_dn, &lc_curr.local_dn );
288 #ifdef ENABLE_REWRITE
290 * Sets a cookie for the rewrite session
292 * FIXME: the o_conn might be no longer valid,
293 * since we may have different entries
294 * for the same connection
296 ( void )rewrite_session_init( li->rwmap.rwm_rw, op->o_conn );
297 #endif /* ENABLE_REWRITE */
299 ldap_pvt_thread_mutex_init( &lc->lc_mutex );
302 ber_dupbv( &lc->cred, &li->acl_passwd );
303 ber_dupbv( &lc->bound_dn, &li->acl_authcDN );
306 BER_BVZERO( &lc->cred );
307 BER_BVZERO( &lc->bound_dn );
308 if ( op->o_conn && !BER_BVISEMPTY( &op->o_conn->c_dn )
309 && ( op->o_bd == op->o_conn->c_authz_backend ) ) {
315 * Rewrite the bind dn if needed
317 dc.rwmap = &li->rwmap;
318 #ifdef ENABLE_REWRITE
319 dc.conn = op->o_conn;
327 if ( ldap_back_dn_massage( &dc, &op->o_conn->c_dn, &bv ) ) {
328 send_ldap_result( op, rs );
332 if ( bv.bv_val == op->o_conn->c_dn.bv_val ) {
333 ber_dupbv( &lc->bound_dn, &bv );
342 /* Inserts the newly created ldapconn in the avl tree */
343 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
344 rs->sr_err = avl_insert( &li->conntree, (caddr_t)lc,
345 ldap_back_conn_cmp, ldap_back_conn_dup );
347 #if PRINT_CONNTREE > 0
348 myprint( li->conntree );
349 #endif /* PRINT_CONNTREE */
351 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
354 LDAP_LOG( BACK_LDAP, INFO,
355 "ldap_back_getconn: conn %p inserted\n", (void *) lc, 0, 0);
356 #else /* !NEW_LOGGING */
357 Debug( LDAP_DEBUG_TRACE,
358 "=>ldap_back_getconn: conn %p inserted\n", (void *) lc, 0, 0 );
359 #endif /* !NEW_LOGGING */
361 /* Err could be -1 in case a duplicate ldapconn is inserted */
362 if ( rs->sr_err != 0 ) {
363 ldap_back_conn_free( lc );
365 send_ldap_error( op, rs, LDAP_OTHER,
366 "internal server error" );
372 LDAP_LOG( BACK_LDAP, INFO,
373 "ldap_back_getconn: conn %p fetched\n",
375 #else /* !NEW_LOGGING */
376 Debug( LDAP_DEBUG_TRACE,
377 "=>ldap_back_getconn: conn %p fetched\n", (void *) lc, 0, 0 );
378 #endif /* !NEW_LOGGING */
387 * Note: as the check for the value of lc->bound was already here, I removed
388 * it from all the callers, and I made the function return the flag, so
389 * it can be used to simplify the check.
392 ldap_back_dobind( struct ldapconn *lc, Operation *op, SlapReply *rs )
394 struct ldapinfo *li = (struct ldapinfo *)op->o_bd->be_private;
398 ldap_pvt_thread_mutex_lock( &lc->lc_mutex );
400 #ifdef LDAP_BACK_PROXY_AUTHZ
402 * FIXME: we need to let clients use proxyAuthz
403 * otherwise we cannot do symmetric pools of servers;
404 * we have to live with the fact that a user can
405 * authorize itself as any ID that is allowed
406 * by the authzTo directive of the "proxyauthzdn".
409 * NOTE: current Proxy Authorization specification
410 * and implementation do not allow proxy authorization
411 * control to be provided with Bind requests
414 * if no bind took place yet, but the connection is bound
415 * and the "proxyauthzdn" is set, then bind as
416 * "proxyauthzdn" and explicitly add the proxyAuthz
417 * control to every operation with the dn bound
418 * to the connection as control value.
420 if ( op->o_conn != NULL && BER_BVISNULL( &lc->bound_dn ) ) {
421 struct berval binddn = slap_empty_bv;
422 struct berval bindcred = slap_empty_bv;
425 /* bind as proxyauthzdn only if no idassert mode
426 * is requested, or if the client's identity
428 switch ( li->idassert_mode ) {
429 case LDAP_BACK_IDASSERT_LEGACY:
430 if ( !BER_BVISNULL( &op->o_conn->c_dn ) && !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
431 if ( !BER_BVISNULL( &li->idassert_authcDN ) && !BER_BVISEMPTY( &li->idassert_authcDN ) )
433 binddn = li->idassert_authcDN;
434 bindcred = li->idassert_passwd;
441 if ( li->idassert_authz ) {
442 struct berval authcDN = BER_BVISNULL( &op->o_conn->c_dn ) ? slap_empty_bv : op->o_conn->c_dn;
444 rs->sr_err = slap_sasl_matches( op, li->idassert_authz,
445 &authcDN, &authcDN );
446 if ( rs->sr_err != LDAP_SUCCESS ) {
447 send_ldap_result( op, rs );
453 binddn = li->idassert_authcDN;
454 bindcred = li->idassert_passwd;
459 if ( dobind && li->idassert_authmethod == LDAP_AUTH_SASL ) {
460 #ifdef HAVE_CYRUS_SASL
461 void *defaults = NULL;
462 struct berval authzID = BER_BVNULL;
465 /* if SASL supports native authz, prepare for it */
466 if ( li->idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
467 switch ( li->idassert_mode ) {
468 case LDAP_BACK_IDASSERT_OTHERID:
469 case LDAP_BACK_IDASSERT_OTHERDN:
470 authzID = li->idassert_authzID;
473 case LDAP_BACK_IDASSERT_ANONYMOUS:
474 BER_BVSTR( &authzID, "dn:" );
477 case LDAP_BACK_IDASSERT_SELF:
478 if ( BER_BVISNULL( &op->o_conn->c_dn ) ) {
479 /* connection is not authc'd, so don't idassert */
480 BER_BVSTR( &authzID, "dn:" );
483 authzID.bv_len = STRLENOF( "dn:" ) + op->o_conn->c_dn.bv_len;
484 authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
485 AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
486 AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
487 op->o_conn->c_dn.bv_val, op->o_conn->c_dn.bv_len + 1 );
496 #if 0 /* will deal with this later... */
497 if ( sasl_secprops != NULL ) {
498 rs->sr_err = ldap_set_option( lc->ld, LDAP_OPT_X_SASL_SECPROPS,
499 (void *) sasl_secprops );
501 if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
502 send_ldap_result( op, rs );
510 defaults = lutil_sasl_defaults( lc->ld,
511 li->idassert_sasl_mech.bv_val,
512 li->idassert_sasl_realm.bv_val,
513 li->idassert_authcID.bv_val,
514 li->idassert_passwd.bv_val,
517 rs->sr_err = ldap_sasl_interactive_bind_s( lc->ld, binddn.bv_val,
518 li->idassert_sasl_mech.bv_val, NULL, NULL,
519 li->idassert_sasl_flags, lutil_sasl_interact,
522 lutil_sasl_freedefs( defaults );
524 slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
527 rs->sr_err = slap_map_api2result( rs );
528 if ( rs->sr_err != LDAP_SUCCESS ) {
530 send_ldap_result( op, rs );
536 #endif /* HAVE_CYRUS_SASL */
539 switch ( li->idassert_authmethod ) {
540 case LDAP_AUTH_SIMPLE:
541 rs->sr_err = ldap_sasl_bind(lc->ld,
542 binddn.bv_val, LDAP_SASL_SIMPLE,
543 &bindcred, NULL, NULL, &msgid);
553 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
554 send_ldap_result( op, rs );
559 #endif /* LDAP_BACK_PROXY_AUTHZ */
561 rs->sr_err = ldap_sasl_bind(lc->ld, lc->bound_dn.bv_val,
562 LDAP_SASL_SIMPLE, &lc->cred, NULL, NULL, &msgid);
565 rc = ldap_back_op_result( lc, op, rs, msgid, 0 );
566 if (rc == LDAP_SUCCESS) {
573 ldap_pvt_thread_mutex_unlock( &lc->lc_mutex );
580 * This is a callback used for chasing referrals using the same
581 * credentials as the original user on this session.
584 ldap_back_rebind( LDAP *ld, LDAP_CONST char *url, ber_tag_t request,
585 ber_int_t msgid, void *params )
587 struct ldapconn *lc = params;
589 return ldap_bind_s( ld, lc->bound_dn.bv_val, lc->cred.bv_val, LDAP_AUTH_SIMPLE );
592 #if 0 /* deprecated in favour of slap_map_api2result() */
593 /* Map API errors to protocol errors... */
595 ldap_back_map_result( SlapReply *rs )
599 case LDAP_SERVER_DOWN:
600 return LDAP_UNAVAILABLE;
601 case LDAP_LOCAL_ERROR:
603 case LDAP_ENCODING_ERROR:
604 case LDAP_DECODING_ERROR:
605 return LDAP_PROTOCOL_ERROR;
607 return LDAP_UNAVAILABLE;
608 case LDAP_AUTH_UNKNOWN:
609 return LDAP_AUTH_METHOD_NOT_SUPPORTED;
610 case LDAP_FILTER_ERROR:
611 rs->sr_text = "Filter error";
613 case LDAP_USER_CANCELLED:
614 rs->sr_text = "User cancelled";
616 case LDAP_PARAM_ERROR:
617 return LDAP_PROTOCOL_ERROR;
620 case LDAP_CONNECT_ERROR:
621 return LDAP_UNAVAILABLE;
622 case LDAP_NOT_SUPPORTED:
623 return LDAP_UNWILLING_TO_PERFORM;
624 case LDAP_CONTROL_NOT_FOUND:
625 return LDAP_PROTOCOL_ERROR;
626 case LDAP_NO_RESULTS_RETURNED:
627 return LDAP_NO_SUCH_OBJECT;
628 case LDAP_MORE_RESULTS_TO_RETURN:
629 rs->sr_text = "More results to return";
631 case LDAP_CLIENT_LOOP:
632 case LDAP_REFERRAL_LIMIT_EXCEEDED:
633 return LDAP_LOOP_DETECT;
635 if ( LDAP_API_ERROR(rs->sr_err) )
643 ldap_back_op_result(struct ldapconn *lc, Operation *op, SlapReply *rs,
644 ber_int_t msgid, int sendok)
646 struct ldapinfo *li = (struct ldapinfo *)op->o_bd->be_private;
648 LDAPMessage *res = NULL;
651 #define ERR_OK(err) ((err) == LDAP_SUCCESS || (err) == LDAP_COMPARE_FALSE || (err) == LDAP_COMPARE_TRUE)
654 rs->sr_matched = NULL;
656 /* if the error recorded in the reply corresponds
657 * to a successful state, get the error from the
658 * remote server response */
659 if ( ERR_OK( rs->sr_err ) ) {
660 /* if result parsing fails, note the failure reason */
661 if ( ldap_result( lc->ld, msgid, 1, NULL, &res ) == -1 ) {
662 ldap_get_option( lc->ld, LDAP_OPT_ERROR_NUMBER,
665 /* otherwise get the result; if it is not
666 * LDAP_SUCCESS, record it in the reply
667 * structure (this includes
668 * LDAP_COMPARE_{TRUE|FALSE}) */
670 int rc = ldap_parse_result( lc->ld, res, &rs->sr_err,
671 &match, &text, NULL, NULL, 1 );
673 if ( rc != LDAP_SUCCESS ) rs->sr_err = rc;
677 /* if the error in the reply structure is not
678 * LDAP_SUCCESS, try to map it from client
680 if ( !ERR_OK( rs->sr_err ) ) {
681 rs->sr_err = slap_map_api2result( rs );
683 /* internal ops ( op->o_conn == NULL )
684 * must not reply to client */
685 if ( op->o_conn && !op->o_do_not_cache && match ) {
686 struct berval dn, mdn;
689 dc.rwmap = &li->rwmap;
690 #ifdef ENABLE_REWRITE
691 dc.conn = op->o_conn;
693 dc.ctx = "matchedDN";
698 ber_str2bv(match, 0, 0, &dn);
699 ldap_back_dn_massage(&dc, &dn, &mdn);
701 /* record the (massaged) matched
702 * DN into the reply structure */
703 rs->sr_matched = mdn.bv_val;
707 if ( op->o_conn && ( sendok || rs->sr_err != LDAP_SUCCESS ) ) {
708 send_ldap_result( op, rs );
711 if ( rs->sr_matched != match ) {
712 free( (char *)rs->sr_matched );
714 rs->sr_matched = NULL;
715 ldap_memfree( match );
718 ldap_memfree( text );
721 return( ERR_OK( rs->sr_err ) ? 0 : -1 );
724 #ifdef LDAP_BACK_PROXY_AUTHZ
726 * ldap_back_proxy_authz_ctrl() prepends a proxyAuthz control
727 * to existing server-side controls if required; if not,
728 * the existing server-side controls are placed in *pctrls.
729 * The caller, after using the controls in client API
730 * operations, if ( *pctrls != op->o_ctrls ), should
731 * free( (*pctrls)[ 0 ] ) and free( *pctrls ).
732 * The function returns success if the control could
733 * be added if required, or if it did nothing; in the future,
734 * it might return some error if it failed.
736 * if no bind took place yet, but the connection is bound
737 * and the "proxyauthzdn" is set, then bind as "proxyauthzdn"
738 * and explicitly add proxyAuthz the control to every operation
739 * with the dn bound to the connection as control value.
741 * If no server-side controls are defined for the operation,
742 * simply add the proxyAuthz control; otherwise, if the
743 * proxyAuthz control is not already set, add it as
744 * the first one (FIXME: is controls order significant
748 ldap_back_proxy_authz_ctrl(
752 LDAPControl ***pctrls )
754 struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
755 LDAPControl **ctrls = NULL;
757 struct berval assertedID;
761 if ( ( BER_BVISNULL( &li->idassert_authcID ) || BER_BVISEMPTY( &li->idassert_authcID ) )
762 && ( BER_BVISNULL( &li->idassert_authcDN ) || BER_BVISEMPTY( &li->idassert_authcDN ) ) ) {
770 if ( li->idassert_mode == LDAP_BACK_IDASSERT_LEGACY ) {
771 if ( op->o_proxy_authz ) {
773 * FIXME: we do not want to perform proxyAuthz
774 * on behalf of the client, because this would
775 * be performed with "proxyauthzdn" privileges.
777 * This might actually be too strict, since
778 * the "proxyauthzdn" authzTo, and each entry's
779 * authzFrom attributes may be crafted
780 * to avoid unwanted proxyAuthz to take place.
783 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
784 rs->sr_text = "proxyAuthz not allowed within namingContext";
789 if ( !BER_BVISNULL( &lc->bound_dn ) ) {
793 if ( BER_BVISNULL( &op->o_conn->c_dn ) ) {
797 if ( BER_BVISNULL( &li->idassert_authcDN ) ) {
801 } else if ( li->idassert_authmethod == LDAP_AUTH_SASL ) {
802 if ( ( li->idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ )
803 /* && ( !BER_BVISNULL( &op->o_conn->c_dn ) || lc->bound ) */ )
805 /* already asserted in SASL via native authz */
806 /* NOTE: the test on lc->bound is used to trap
807 * native authorization of anonymous users,
808 * since in that case op->o_conn->c_dn is NULL */
812 } else if ( li->idassert_authz ) {
814 struct berval authcDN = BER_BVISNULL( &op->o_conn->c_dn ) ? slap_empty_bv : op->o_conn->c_dn;
817 rc = slap_sasl_matches( op, li->idassert_authz,
818 &authcDN, & authcDN );
819 if ( rc != LDAP_SUCCESS ) {
820 /* op->o_conn->c_dn is not authorized
826 if ( op->o_proxy_authz ) {
829 * 1) ignore the already set proxyAuthz control
830 * 2) leave it in place, and don't set ours
832 * 4) reject the operation
834 * option (4) is very drastic
835 * option (3) will make the remote server reject
836 * the operation, thus being equivalent to (4)
837 * option (2) will likely break the idassert
838 * assumptions, so we cannot accept it;
839 * option (1) means that we are contradicting
840 * the client's reques.
842 * I think (4) is the only correct choice.
844 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
845 rs->sr_text = "proxyAuthz not allowed within namingContext";
848 switch ( li->idassert_mode ) {
849 case LDAP_BACK_IDASSERT_LEGACY:
850 case LDAP_BACK_IDASSERT_SELF:
851 /* original behavior:
852 * assert the client's identity */
853 assertedID = BER_BVISNULL( &op->o_conn->c_dn ) ? slap_empty_bv : op->o_conn->c_dn;
856 case LDAP_BACK_IDASSERT_ANONYMOUS:
857 /* assert "anonymous" */
858 assertedID = slap_empty_bv;
861 case LDAP_BACK_IDASSERT_NOASSERT:
862 /* don't assert; bind as proxyauthzdn */
865 case LDAP_BACK_IDASSERT_OTHERID:
866 case LDAP_BACK_IDASSERT_OTHERDN:
867 /* assert idassert DN */
868 assertedID = li->idassert_authzID;
875 if ( BER_BVISNULL( &assertedID ) ) {
876 assertedID = slap_empty_bv;
879 ctrls = ch_malloc( sizeof( LDAPControl * ) * (i + 2) );
880 ctrls[ 0 ] = ch_malloc( sizeof( LDAPControl ) );
882 ctrls[ 0 ]->ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
883 ctrls[ 0 ]->ldctl_iscritical = 1;
885 switch ( li->idassert_mode ) {
886 /* already in u:ID or dn:DN form */
887 case LDAP_BACK_IDASSERT_OTHERID:
888 case LDAP_BACK_IDASSERT_OTHERDN:
889 ber_dupbv( &ctrls[ 0 ]->ldctl_value, &assertedID );
892 /* needs the dn: prefix */
894 ctrls[ 0 ]->ldctl_value.bv_len = assertedID.bv_len + STRLENOF( "dn:" );
895 ctrls[ 0 ]->ldctl_value.bv_val = ch_malloc( ctrls[ 0 ]->ldctl_value.bv_len + 1 );
896 AC_MEMCPY( ctrls[ 0 ]->ldctl_value.bv_val, "dn:", STRLENOF( "dn:" ) );
897 AC_MEMCPY( ctrls[ 0 ]->ldctl_value.bv_val + STRLENOF( "dn:" ),
898 assertedID.bv_val, assertedID.bv_len + 1 );
903 for ( i = 0; op->o_ctrls[ i ]; i++ ) {
904 ctrls[ i + 1 ] = op->o_ctrls[ i ];
907 ctrls[ i + 1 ] = NULL;
910 if ( ctrls == NULL ) {
918 #endif /* LDAP_BACK_PROXY_AUTHZ */