2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2004 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/string.h>
21 #include <ac/socket.h>
25 #include "../../libraries/liblber/lber-int.h"
27 static SLAP_CTRL_PARSE_FN parseAssert;
28 static SLAP_CTRL_PARSE_FN parsePreRead;
29 static SLAP_CTRL_PARSE_FN parsePostRead;
30 static SLAP_CTRL_PARSE_FN parseProxyAuthz;
31 static SLAP_CTRL_PARSE_FN parseManageDSAit;
32 static SLAP_CTRL_PARSE_FN parseModifyIncrement;
33 static SLAP_CTRL_PARSE_FN parseNoOp;
34 static SLAP_CTRL_PARSE_FN parsePagedResults;
35 static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
36 static SLAP_CTRL_PARSE_FN parsePermissiveModify;
37 static SLAP_CTRL_PARSE_FN parseDomainScope;
38 static SLAP_CTRL_PARSE_FN parseTreeDelete;
39 static SLAP_CTRL_PARSE_FN parseSearchOptions;
41 #ifdef LDAP_CONTROL_SUBENTRIES
42 static SLAP_CTRL_PARSE_FN parseSubentries;
45 #undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
47 const struct berval slap_pre_read_bv = BER_BVC(LDAP_CONTROL_PRE_READ);
48 const struct berval slap_post_read_bv = BER_BVC(LDAP_CONTROL_POST_READ);
50 struct slap_control_ids slap_cids;
56 /* The controlID for this control */
59 /* Operations supported by control */
62 /* Extended operations supported by control */
63 char **sc_extendedops;
65 /* Control parsing callback */
66 SLAP_CTRL_PARSE_FN *sc_parse;
68 LDAP_SLIST_ENTRY(slap_control) sc_next;
71 static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
72 = LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
75 * all known request control OIDs should be added to this list
78 * NOTE: initialize num_known_controls to 1 so that cid = 0 always
79 * addresses an undefined control; this allows to safely test for
80 * well known controls even if they are not registered, e.g. if
81 * they get moved to modules. An example is sc_LDAPsync, which
82 * is implemented in the syncprov overlay and thus, if configured
83 * as dynamic module, may not be registered. One side effect is that
84 * slap_known_controls[0] == NULL, so it should always be used
86 * FIXME: should we define the "undefined control" oid?
88 char *slap_known_controls[SLAP_MAX_CIDS+1];
89 static int num_known_controls = 1;
91 static char *proxy_authz_extops[] = {
92 LDAP_EXOP_MODIFY_PASSWD,
97 static struct slap_control control_defs[] = {
98 { LDAP_CONTROL_ASSERT,
99 (int)offsetof(struct slap_control_ids, sc_assert),
100 SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL,
101 parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) },
102 { LDAP_CONTROL_PRE_READ,
103 (int)offsetof(struct slap_control_ids, sc_preRead),
104 SLAP_CTRL_HIDE|SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL,
105 parsePreRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
106 { LDAP_CONTROL_POST_READ,
107 (int)offsetof(struct slap_control_ids, sc_postRead),
108 SLAP_CTRL_HIDE|SLAP_CTRL_ADD|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL,
109 parsePostRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
110 { LDAP_CONTROL_VALUESRETURNFILTER,
111 (int)offsetof(struct slap_control_ids, sc_valuesReturnFilter),
112 SLAP_CTRL_SEARCH, NULL,
113 parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
114 { LDAP_CONTROL_PAGEDRESULTS,
115 (int)offsetof(struct slap_control_ids, sc_pagedResults),
116 SLAP_CTRL_SEARCH, NULL,
117 parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
118 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
119 { LDAP_CONTROL_X_DOMAIN_SCOPE,
120 (int)offsetof(struct slap_control_ids, sc_domainScope),
121 SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
122 parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
124 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
125 { LDAP_CONTROL_X_PERMISSIVE_MODIFY,
126 (int)offsetof(struct slap_control_ids, sc_permissiveModify),
127 SLAP_CTRL_MODIFY, NULL,
128 parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
130 #ifdef LDAP_CONTROL_X_TREE_DELETE
131 { LDAP_CONTROL_X_TREE_DELETE,
132 (int)offsetof(struct slap_control_ids, sc_treeDelete),
133 SLAP_CTRL_DELETE, NULL,
134 parseTreeDelete, LDAP_SLIST_ENTRY_INITIALIZER(next) },
136 #ifdef LDAP_CONTORL_X_SEARCH_OPTIONS
137 { LDAP_CONTORL_X_SEARCH_OPTIONS,
138 (int)offsetof(struct slap_control_ids, sc_searchOptions),
139 SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
140 parseSearchOptions, LDAP_SLIST_ENTRY_INITIALIZER(next) },
142 #ifdef LDAP_CONTROL_SUBENTRIES
143 { LDAP_CONTROL_SUBENTRIES,
144 (int)offsetof(struct slap_control_ids, sc_subentries),
145 SLAP_CTRL_SEARCH, NULL,
146 parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
149 (int)offsetof(struct slap_control_ids, sc_noOp),
150 SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL,
151 parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
152 #ifdef LDAP_CONTROL_MODIFY_INCREMENT
153 { LDAP_CONTROL_MODIFY_INCREMENT,
154 (int)offsetof(struct slap_control_ids, sc_modifyIncrement),
155 SLAP_CTRL_HIDE|SLAP_CTRL_MODIFY, NULL,
156 parseModifyIncrement, LDAP_SLIST_ENTRY_INITIALIZER(next) },
158 { LDAP_CONTROL_MANAGEDSAIT,
159 (int)offsetof(struct slap_control_ids, sc_manageDSAit),
160 SLAP_CTRL_ACCESS, NULL,
161 parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
162 { LDAP_CONTROL_PROXY_AUTHZ,
163 (int)offsetof(struct slap_control_ids, sc_proxyAuthz),
164 SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops,
165 parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
166 { NULL, 0, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
170 * Register a supported control.
172 * This can be called by an OpenLDAP plugin or, indirectly, by a
173 * SLAPI plugin calling slapi_register_supported_control().
176 register_supported_control(const char *controloid,
177 slap_mask_t controlmask,
179 SLAP_CTRL_PARSE_FN *controlparsefn,
182 struct slap_control *sc;
185 if ( num_known_controls >= SLAP_MAX_CIDS ) {
186 Debug( LDAP_DEBUG_ANY, "Too many controls registered."
187 " Recompile slapd with SLAP_MAX_CIDS defined > %d\n",
188 SLAP_MAX_CIDS, 0, 0 );
192 if ( controloid == NULL ) return LDAP_PARAM_ERROR;
194 /* sanity check - should never happen */
195 for ( i = 0; slap_known_controls[ i ]; i++ ) {
196 if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) {
197 Debug( LDAP_DEBUG_ANY,
198 "Control %s already registered.\n",
200 return LDAP_PARAM_ERROR;
204 sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
205 if ( sc == NULL ) return LDAP_NO_MEMORY;
207 sc->sc_oid = ch_strdup( controloid );
208 sc->sc_mask = controlmask;
209 if ( controlexops != NULL ) {
210 sc->sc_extendedops = ldap_charray_dup( controlexops );
211 if ( sc->sc_extendedops == NULL ) {
213 return LDAP_NO_MEMORY;
216 sc->sc_extendedops = NULL;
218 sc->sc_parse = controlparsefn;
220 if ( controlcid ) *controlcid = num_known_controls;
221 sc->sc_cid = num_known_controls;
223 /* Update slap_known_controls, too. */
224 slap_known_controls[num_known_controls-1] = sc->sc_oid;
225 slap_known_controls[num_known_controls++] = NULL;
227 LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
228 LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
233 * One-time initialization of internal controls.
236 slap_controls_init( void )
239 struct slap_control *sc;
243 for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
244 int *cid = (int *)(((char *)&slap_cids) + control_defs[i].sc_cid );
245 rc = register_supported_control( control_defs[i].sc_oid,
246 control_defs[i].sc_mask, control_defs[i].sc_extendedops,
247 control_defs[i].sc_parse, cid );
248 if ( rc != LDAP_SUCCESS ) break;
255 * Free memory associated with list of supported controls.
258 controls_destroy( void )
260 struct slap_control *sc;
262 while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
263 sc = LDAP_SLIST_FIRST(&controls_list);
264 LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
266 ch_free( sc->sc_oid );
267 if ( sc->sc_extendedops != NULL ) {
268 ldap_charray_free( sc->sc_extendedops );
275 * Format the supportedControl attribute of the root DSE,
276 * detailing which controls are supported by the directory
280 controls_root_dse_info( Entry *e )
282 AttributeDescription *ad_supportedControl
283 = slap_schema.si_ad_supportedControl;
284 struct berval vals[2];
285 struct slap_control *sc;
287 vals[1].bv_val = NULL;
290 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
291 if( sc->sc_mask & SLAP_CTRL_HIDE ) continue;
293 vals[0].bv_val = sc->sc_oid;
294 vals[0].bv_len = strlen( sc->sc_oid );
296 if ( attr_merge( e, ad_supportedControl, vals, NULL ) ) {
305 * Return a list of OIDs and operation masks for supported
306 * controls. Used by SLAPI.
309 get_supported_controls(char ***ctrloidsp,
310 slap_mask_t **ctrlmasks)
316 struct slap_control *sc;
320 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
330 oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
331 if ( oids == NULL ) {
332 return LDAP_NO_MEMORY;
334 masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
335 if ( masks == NULL ) {
337 return LDAP_NO_MEMORY;
342 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
343 oids[n] = ch_strdup( sc->sc_oid );
344 masks[n] = sc->sc_mask;
357 * Find a control given its OID.
359 static struct slap_control *
360 find_ctrl( const char *oid )
362 struct slap_control *sc;
364 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
365 if ( strcmp( oid, sc->sc_oid ) == 0 ) {
374 slap_find_control_id(
378 struct slap_control *ctrl = find_ctrl( oid );
380 if ( cid ) *cid = ctrl->sc_cid;
383 return LDAP_CONTROL_NOT_FOUND;
386 void slap_free_ctrls(
388 LDAPControl **ctrls )
392 for (i=0; ctrls[i]; i++) {
393 op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
395 op->o_tmpfree( ctrls, op->o_tmpmemctx );
407 BerElement *ber = op->o_ber;
408 struct slap_control *sc;
411 len = ber_pvt_ber_remaining(ber);
415 rs->sr_err = LDAP_SUCCESS;
419 if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
420 if( tag == LBER_ERROR ) {
421 rs->sr_err = SLAPD_DISCONNECT;
422 rs->sr_text = "unexpected data in PDU";
428 Debug( LDAP_DEBUG_TRACE,
429 "=> get_ctrls\n", 0, 0, 0 );
431 if( op->o_protocol < LDAP_VERSION3 ) {
432 rs->sr_err = SLAPD_DISCONNECT;
433 rs->sr_text = "controls require LDAPv3";
437 /* one for first control, one for termination */
438 op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
441 if( op->ctrls == NULL ) {
442 rs->sr_err = LDAP_NO_MEMORY;
443 rs->sr_text = "no memory";
448 op->o_ctrls[nctrls] = NULL;
450 /* step through each element */
451 for( tag = ber_first_element( ber, &len, &opaque );
453 tag = ber_next_element( ber, &len, opaque ) )
456 LDAPControl **tctrls;
458 c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
459 memset(c, 0, sizeof(LDAPControl));
461 /* allocate pointer space for current controls (nctrls)
462 * + this control + extra NULL
464 tctrls = op->o_tmprealloc( op->o_ctrls,
465 (nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
468 if( tctrls == NULL ) {
470 ldap_controls_free(op->o_ctrls);
473 rs->sr_err = LDAP_NO_MEMORY;
474 rs->sr_text = "no memory";
478 op->o_ctrls = tctrls;
480 op->o_ctrls[nctrls++] = c;
481 op->o_ctrls[nctrls] = NULL;
483 tag = ber_scanf( ber, "{m" /*}*/, &bv );
484 c->ldctl_oid = bv.bv_val;
486 if( tag == LBER_ERROR ) {
487 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
490 slap_free_ctrls( op, op->o_ctrls );
492 rs->sr_err = SLAPD_DISCONNECT;
493 rs->sr_text = "decoding controls error";
496 } else if( c->ldctl_oid == NULL ) {
497 Debug( LDAP_DEBUG_TRACE,
498 "get_ctrls: conn %lu got emtpy OID.\n",
499 op->o_connid, 0, 0 );
501 slap_free_ctrls( op, op->o_ctrls );
503 rs->sr_err = LDAP_PROTOCOL_ERROR;
504 rs->sr_text = "OID field is empty";
508 tag = ber_peek_tag( ber, &len );
510 if( tag == LBER_BOOLEAN ) {
512 tag = ber_scanf( ber, "b", &crit );
514 if( tag == LBER_ERROR ) {
515 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
517 slap_free_ctrls( op, op->o_ctrls );
519 rs->sr_err = SLAPD_DISCONNECT;
520 rs->sr_text = "decoding controls error";
524 c->ldctl_iscritical = (crit != 0);
525 tag = ber_peek_tag( ber, &len );
527 c->ldctl_iscritical = 0;
530 if( tag == LBER_OCTETSTRING ) {
531 tag = ber_scanf( ber, "m", &c->ldctl_value );
533 if( tag == LBER_ERROR ) {
534 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
535 "%s (%scritical): get value failed.\n",
536 op->o_connid, c->ldctl_oid,
537 c->ldctl_iscritical ? "" : "non" );
538 slap_free_ctrls( op, op->o_ctrls );
540 rs->sr_err = SLAPD_DISCONNECT;
541 rs->sr_text = "decoding controls error";
545 BER_BVZERO( &c->ldctl_value );
548 Debug( LDAP_DEBUG_TRACE,
549 "=> get_ctrls: oid=\"%s\" (%scritical)\n",
550 c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
552 sc = find_ctrl( c->ldctl_oid );
554 /* recognized control */
556 switch( op->o_tag ) {
558 tagmask = SLAP_CTRL_ADD;
561 tagmask = SLAP_CTRL_BIND;
563 case LDAP_REQ_COMPARE:
564 tagmask = SLAP_CTRL_COMPARE;
566 case LDAP_REQ_DELETE:
567 tagmask = SLAP_CTRL_DELETE;
569 case LDAP_REQ_MODIFY:
570 tagmask = SLAP_CTRL_MODIFY;
572 case LDAP_REQ_RENAME:
573 tagmask = SLAP_CTRL_RENAME;
575 case LDAP_REQ_SEARCH:
576 tagmask = SLAP_CTRL_SEARCH;
578 case LDAP_REQ_UNBIND:
579 tagmask = SLAP_CTRL_UNBIND;
581 case LDAP_REQ_ABANDON:
582 tagmask = SLAP_CTRL_ABANDON;
584 case LDAP_REQ_EXTENDED:
586 assert( op->ore_reqoid.bv_val != NULL );
587 if( sc->sc_extendedops != NULL ) {
589 for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
590 if( strcmp( op->ore_reqoid.bv_val,
591 sc->sc_extendedops[i] ) == 0 )
600 rs->sr_err = LDAP_OTHER;
601 rs->sr_text = "controls internal error";
605 if (( sc->sc_mask & tagmask ) == tagmask ) {
606 /* available extension */
609 if( !sc->sc_parse ) {
610 rs->sr_err = LDAP_OTHER;
611 rs->sr_text = "not yet implemented";
615 rc = sc->sc_parse( op, rs, c );
617 assert( rc != LDAP_UNAVAILABLE_CRITICAL_EXTENSION );
622 if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
623 /* kludge to disable backend_control() check */
624 c->ldctl_iscritical = 0;
626 } else if ( tagmask == SLAP_CTRL_SEARCH &&
627 sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
629 /* kludge to disable backend_control() check */
630 c->ldctl_iscritical = 0;
633 } else if( c->ldctl_iscritical ) {
634 /* unavailable CRITICAL control */
635 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
636 rs->sr_text = "critical extension is unavailable";
640 } else if( c->ldctl_iscritical ) {
641 /* unrecognized CRITICAL control */
642 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
643 rs->sr_text = "critical extension is not recognized";
650 Debug( LDAP_DEBUG_TRACE,
651 "<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
652 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
654 if( sendres && rs->sr_err != LDAP_SUCCESS ) {
655 if( rs->sr_err == SLAPD_DISCONNECT ) {
656 rs->sr_err = LDAP_PROTOCOL_ERROR;
657 send_ldap_disconnect( op, rs );
658 rs->sr_err = SLAPD_DISCONNECT;
660 send_ldap_result( op, rs );
667 static int parseModifyIncrement (
673 if ( op->o_modifyIncrement != SLAP_CONTROL_NONE ) {
674 rs->sr_text = "modifyIncrement control specified multiple times";
675 return LDAP_PROTOCOL_ERROR;
679 if ( ctrl->ldctl_value.bv_len ) {
680 rs->sr_text = "modifyIncrement control value not empty";
681 return LDAP_PROTOCOL_ERROR;
685 op->o_modifyIncrement = ctrl->ldctl_iscritical
686 ? SLAP_CONTROL_CRITICAL
687 : SLAP_CONTROL_NONCRITICAL;
693 static int parseManageDSAit (
698 if ( op->o_managedsait != SLAP_CONTROL_NONE ) {
699 rs->sr_text = "manageDSAit control specified multiple times";
700 return LDAP_PROTOCOL_ERROR;
703 if ( ctrl->ldctl_value.bv_len ) {
704 rs->sr_text = "manageDSAit control value not empty";
705 return LDAP_PROTOCOL_ERROR;
708 op->o_managedsait = ctrl->ldctl_iscritical
709 ? SLAP_CONTROL_CRITICAL
710 : SLAP_CONTROL_NONCRITICAL;
715 static int parseProxyAuthz (
721 struct berval dn = BER_BVNULL;
723 if ( op->o_proxy_authz != SLAP_CONTROL_NONE ) {
724 rs->sr_text = "proxy authorization control specified multiple times";
725 return LDAP_PROTOCOL_ERROR;
728 op->o_proxy_authz = ctrl->ldctl_iscritical
729 ? SLAP_CONTROL_CRITICAL
730 : SLAP_CONTROL_NONCRITICAL;
732 Debug( LDAP_DEBUG_ARGS,
733 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
735 ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
738 if( ctrl->ldctl_value.bv_len == 0 ) {
739 Debug( LDAP_DEBUG_TRACE,
740 "parseProxyAuthz: conn=%lu anonymous\n",
741 op->o_connid, 0, 0 );
744 free( op->o_dn.bv_val );
746 op->o_dn.bv_val = ch_strdup( "" );
748 free( op->o_ndn.bv_val );
749 op->o_ndn.bv_len = 0;
750 op->o_ndn.bv_val = ch_strdup( "" );
755 rc = slap_sasl_getdn( op->o_conn, op, &ctrl->ldctl_value,
756 NULL, &dn, SLAP_GETDN_AUTHZID );
758 /* FIXME: empty DN in proxyAuthz control should be legal... */
759 if( rc != LDAP_SUCCESS /* || !dn.bv_len */ ) {
761 ch_free( dn.bv_val );
763 rs->sr_text = "authzId mapping failed";
764 return LDAP_PROXY_AUTHZ_FAILURE;
767 Debug( LDAP_DEBUG_TRACE,
768 "parseProxyAuthz: conn=%lu \"%s\"\n",
770 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
772 rc = slap_sasl_authorized( op, &op->o_ndn, &dn );
775 ch_free( dn.bv_val );
776 rs->sr_text = "not authorized to assume identity";
777 return LDAP_PROXY_AUTHZ_FAILURE;
780 ch_free( op->o_dn.bv_val );
781 ch_free( op->o_ndn.bv_val );
783 op->o_dn.bv_val = NULL;
786 Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
787 op->o_log_prefix, dn.bv_val, 0, 0, 0 );
790 * NOTE: since slap_sasl_getdn() returns a normalized dn,
791 * from now on op->o_dn is normalized
793 ber_dupbv( &op->o_dn, &dn );
798 static int parseNoOp (
803 if ( op->o_noop != SLAP_CONTROL_NONE ) {
804 rs->sr_text = "noop control specified multiple times";
805 return LDAP_PROTOCOL_ERROR;
808 if ( ctrl->ldctl_value.bv_len ) {
809 rs->sr_text = "noop control value not empty";
810 return LDAP_PROTOCOL_ERROR;
813 op->o_noop = ctrl->ldctl_iscritical
814 ? SLAP_CONTROL_CRITICAL
815 : SLAP_CONTROL_NONCRITICAL;
820 static int parsePagedResults (
825 int rc = LDAP_SUCCESS;
829 struct berval cookie = BER_BVNULL;
830 PagedResultsState *ps;
832 if ( op->o_pagedresults != SLAP_CONTROL_NONE ) {
833 rs->sr_text = "paged results control specified multiple times";
834 return LDAP_PROTOCOL_ERROR;
837 #if 0 /* DELETE ME */
838 if ( op->o_sync != SLAP_CONTROL_NONE ) {
839 rs->sr_text = "paged results control specified with sync control";
840 return LDAP_PROTOCOL_ERROR;
844 if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
845 rs->sr_text = "paged results control value is empty (or absent)";
846 return LDAP_PROTOCOL_ERROR;
849 /* Parse the control value
850 * realSearchControlValue ::= SEQUENCE {
851 * size INTEGER (0..maxInt),
852 * -- requested page size from client
853 * -- result set size estimate from server
854 * cookie OCTET STRING
857 ber = ber_init( &ctrl->ldctl_value );
859 rs->sr_text = "internal error";
863 tag = ber_scanf( ber, "{im}", &size, &cookie );
865 if ( tag == LBER_ERROR ) {
866 rs->sr_text = "paged results control could not be decoded";
867 rc = LDAP_PROTOCOL_ERROR;
872 rs->sr_text = "paged results control size invalid";
873 rc = LDAP_PROTOCOL_ERROR;
878 /* defer cookie decoding/checks to backend... */
879 if ( cookie.bv_len ) {
880 PagedResultsCookie reqcookie;
881 if( cookie.bv_len != sizeof( reqcookie ) ) {
883 rs->sr_text = "paged results cookie is invalid";
884 rc = LDAP_PROTOCOL_ERROR;
888 AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
890 if ( reqcookie > op->o_pagedresults_state.ps_cookie ) {
892 rs->sr_text = "paged results cookie is invalid";
893 rc = LDAP_PROTOCOL_ERROR;
896 } else if ( reqcookie < op->o_pagedresults_state.ps_cookie ) {
897 rs->sr_text = "paged results cookie is invalid or old";
898 rc = LDAP_UNWILLING_TO_PERFORM;
903 /* Initial request. Initialize state. */
905 if ( op->o_conn->c_pagedresults_state.ps_cookie != 0 ) {
906 /* There's another pagedResults control on the
907 * same connection; reject new pagedResults controls
908 * (allowed by RFC2696) */
909 rs->sr_text = "paged results cookie unavailable; try later";
910 rc = LDAP_UNWILLING_TO_PERFORM;
914 op->o_pagedresults_state.ps_cookie = 0;
915 op->o_pagedresults_state.ps_count = 0;
919 ps = op->o_tmpalloc( sizeof(PagedResultsState), op->o_tmpmemctx );
920 *ps = op->o_conn->c_pagedresults_state;
922 op->o_pagedresults_state = ps;
924 /* NOTE: according to RFC 2696 3.:
926 If the page size is greater than or equal to the sizeLimit value, the
927 server should ignore the control as the request can be satisfied in a
930 * NOTE: this assumes that the op->ors_slimit be set
931 * before the controls are parsed.
934 if ( op->ors_slimit > 0 && size >= op->ors_slimit ) {
935 op->o_pagedresults = SLAP_CONTROL_IGNORED;
937 } else if ( ctrl->ldctl_iscritical ) {
938 op->o_pagedresults = SLAP_CONTROL_CRITICAL;
941 op->o_pagedresults = SLAP_CONTROL_NONCRITICAL;
945 (void)ber_free( ber, 1 );
949 static int parseAssert (
955 struct berval fstr = BER_BVNULL;
956 const char *err_msg = "";
958 if ( op->o_assert != SLAP_CONTROL_NONE ) {
959 rs->sr_text = "assert control specified multiple times";
960 return LDAP_PROTOCOL_ERROR;
963 if ( ctrl->ldctl_value.bv_len == 0 ) {
964 rs->sr_text = "assert control value is empty (or absent)";
965 return LDAP_PROTOCOL_ERROR;
968 ber = ber_init( &(ctrl->ldctl_value) );
970 rs->sr_text = "assert control: internal error";
974 rs->sr_err = get_filter( op, ber, (Filter **)&(op->o_assertion), &rs->sr_text);
976 if( rs->sr_err != LDAP_SUCCESS ) {
977 if( rs->sr_err == SLAPD_DISCONNECT ) {
978 rs->sr_err = LDAP_PROTOCOL_ERROR;
979 send_ldap_disconnect( op, rs );
980 rs->sr_err = SLAPD_DISCONNECT;
982 send_ldap_result( op, rs );
984 if( op->o_assertion != NULL ) {
985 filter_free_x( op, op->o_assertion );
991 filter2bv_x( op, op->o_assertion, &fstr );
993 Debug( LDAP_DEBUG_ARGS, "parseAssert: conn %ld assert: %s\n",
994 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
995 op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
998 op->o_assert = ctrl->ldctl_iscritical
999 ? SLAP_CONTROL_CRITICAL
1000 : SLAP_CONTROL_NONCRITICAL;
1002 rs->sr_err = LDAP_SUCCESS;
1003 return LDAP_SUCCESS;
1006 static int parsePreRead (
1011 ber_len_t siz, off, i;
1012 AttributeName *an = NULL;
1015 if ( op->o_preread != SLAP_CONTROL_NONE ) {
1016 rs->sr_text = "preread control specified multiple times";
1017 return LDAP_PROTOCOL_ERROR;
1020 if ( ctrl->ldctl_value.bv_len == 0 ) {
1021 rs->sr_text = "preread control value is empty (or absent)";
1022 return LDAP_PROTOCOL_ERROR;
1025 ber = ber_init( &(ctrl->ldctl_value) );
1027 rs->sr_text = "preread control: internal error";
1031 siz = sizeof( AttributeName );
1032 off = offsetof( AttributeName, an_name );
1033 if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
1034 rs->sr_text = "preread control: decoding error";
1035 return LDAP_PROTOCOL_ERROR;
1038 for( i=0; i<siz; i++ ) {
1039 int rc = LDAP_SUCCESS;
1040 const char *dummy = NULL;
1042 an[i].an_desc = NULL;
1044 an[i].an_oc_exclude = 0;
1045 rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
1046 if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
1047 rs->sr_text = dummy ? dummy : "postread control: unknown attributeType";
1052 op->o_preread = ctrl->ldctl_iscritical
1053 ? SLAP_CONTROL_CRITICAL
1054 : SLAP_CONTROL_NONCRITICAL;
1056 op->o_preread_attrs = an;
1058 rs->sr_err = LDAP_SUCCESS;
1059 return LDAP_SUCCESS;
1062 static int parsePostRead (
1067 ber_len_t siz, off, i;
1068 AttributeName *an = NULL;
1071 if ( op->o_postread != SLAP_CONTROL_NONE ) {
1072 rs->sr_text = "postread control specified multiple times";
1073 return LDAP_PROTOCOL_ERROR;
1076 if ( ctrl->ldctl_value.bv_len == 0 ) {
1077 rs->sr_text = "postread control value is empty (or absent)";
1078 return LDAP_PROTOCOL_ERROR;
1081 ber = ber_init( &(ctrl->ldctl_value) );
1083 rs->sr_text = "postread control: internal error";
1087 siz = sizeof( AttributeName );
1088 off = offsetof( AttributeName, an_name );
1089 if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
1090 rs->sr_text = "postread control: decoding error";
1091 return LDAP_PROTOCOL_ERROR;
1094 for( i=0; i<siz; i++ ) {
1095 int rc = LDAP_SUCCESS;
1096 const char *dummy = NULL;
1098 an[i].an_desc = NULL;
1100 an[i].an_oc_exclude = 0;
1101 rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
1102 if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
1103 rs->sr_text = dummy ? dummy : "postread control: unknown attributeType";
1108 op->o_postread = ctrl->ldctl_iscritical
1109 ? SLAP_CONTROL_CRITICAL
1110 : SLAP_CONTROL_NONCRITICAL;
1112 op->o_postread_attrs = an;
1114 rs->sr_err = LDAP_SUCCESS;
1115 return LDAP_SUCCESS;
1118 int parseValuesReturnFilter (
1124 struct berval fstr = BER_BVNULL;
1125 const char *err_msg = "";
1127 if ( op->o_valuesreturnfilter != SLAP_CONTROL_NONE ) {
1128 rs->sr_text = "valuesReturnFilter control specified multiple times";
1129 return LDAP_PROTOCOL_ERROR;
1132 if ( ctrl->ldctl_value.bv_len == 0 ) {
1133 rs->sr_text = "valuesReturnFilter control value is empty (or absent)";
1134 return LDAP_PROTOCOL_ERROR;
1137 ber = ber_init( &(ctrl->ldctl_value) );
1139 rs->sr_text = "internal error";
1143 rs->sr_err = get_vrFilter( op, ber, (ValuesReturnFilter **)&(op->o_vrFilter), &rs->sr_text);
1145 if( rs->sr_err != LDAP_SUCCESS ) {
1146 if( rs->sr_err == SLAPD_DISCONNECT ) {
1147 rs->sr_err = LDAP_PROTOCOL_ERROR;
1148 send_ldap_disconnect( op, rs );
1149 rs->sr_err = SLAPD_DISCONNECT;
1151 send_ldap_result( op, rs );
1153 if( op->o_vrFilter != NULL) vrFilter_free( op, op->o_vrFilter );
1157 vrFilter2bv( op, op->o_vrFilter, &fstr );
1160 Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
1161 fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
1162 op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
1165 op->o_valuesreturnfilter = ctrl->ldctl_iscritical
1166 ? SLAP_CONTROL_CRITICAL
1167 : SLAP_CONTROL_NONCRITICAL;
1169 rs->sr_err = LDAP_SUCCESS;
1170 return LDAP_SUCCESS;
1173 #ifdef LDAP_CONTROL_SUBENTRIES
1174 static int parseSubentries (
1179 if ( op->o_subentries != SLAP_CONTROL_NONE ) {
1180 rs->sr_text = "subentries control specified multiple times";
1181 return LDAP_PROTOCOL_ERROR;
1184 /* FIXME: should use BER library */
1185 if( ( ctrl->ldctl_value.bv_len != 3 )
1186 && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
1187 && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
1189 rs->sr_text = "subentries control value encoding is bogus";
1190 return LDAP_PROTOCOL_ERROR;
1193 op->o_subentries = ctrl->ldctl_iscritical
1194 ? SLAP_CONTROL_CRITICAL
1195 : SLAP_CONTROL_NONCRITICAL;
1197 if ( (void *)(ctrl->ldctl_value.bv_val[2] != 0x00))
1198 set_subentries_visibility( op );
1200 return LDAP_SUCCESS;
1204 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
1205 static int parsePermissiveModify (
1210 if ( op->o_permissive_modify != SLAP_CONTROL_NONE ) {
1211 rs->sr_text = "permissiveModify control specified multiple times";
1212 return LDAP_PROTOCOL_ERROR;
1215 if ( ctrl->ldctl_value.bv_len ) {
1216 rs->sr_text = "permissiveModify control value not empty";
1217 return LDAP_PROTOCOL_ERROR;
1220 op->o_permissive_modify = ctrl->ldctl_iscritical
1221 ? SLAP_CONTROL_CRITICAL
1222 : SLAP_CONTROL_NONCRITICAL;
1224 return LDAP_SUCCESS;
1228 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1229 static int parseDomainScope (
1234 if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
1235 rs->sr_text = "domainScope control specified multiple times";
1236 return LDAP_PROTOCOL_ERROR;
1239 if ( ctrl->ldctl_value.bv_len ) {
1240 rs->sr_text = "domainScope control value not empty";
1241 return LDAP_PROTOCOL_ERROR;
1244 op->o_domain_scope = ctrl->ldctl_iscritical
1245 ? SLAP_CONTROL_CRITICAL
1246 : SLAP_CONTROL_NONCRITICAL;
1248 return LDAP_SUCCESS;
1252 #ifdef LDAP_CONTROL_X_TREE_DELETE
1253 static int parseTreeDelete (
1258 if ( op->o_tree_delete != SLAP_CONTROL_NONE ) {
1259 rs->sr_text = "treeDelete control specified multiple times";
1260 return LDAP_PROTOCOL_ERROR;
1263 if ( ctrl->ldctl_value.bv_len ) {
1264 rs->sr_text = "treeDelete control value not empty";
1265 return LDAP_PROTOCOL_ERROR;
1268 op->o_tree_delete = ctrl->ldctl_iscritical
1269 ? SLAP_CONTROL_CRITICAL
1270 : SLAP_CONTROL_NONCRITICAL;
1272 return LDAP_SUCCESS;
1276 #ifdef LDAP_CONTORL_X_SEARCH_OPTIONS
1277 static int parseSearchOptions (
1283 ber_int_t search_flags;
1285 if ( ctrl->ldctl_value.bv_len == 0 ) {
1286 rs->sr_text = "searchOptions control value not empty";
1287 return LDAP_PROTOCOL_ERROR;
1290 ber = ber_init( &ctrl->ldctl_value );
1292 rs->sr_text = "internal error";
1296 if ( (tag = ber_scanf( ber, "{i}", &search_flags )) == LBER_ERROR ) {
1297 rs->sr_text = "searchOptions control decoding error";
1298 return LDAP_PROTOCOL_ERROR;
1301 (void) ber_free( ber, 1 );
1303 if ( search_flags & LDAP_SEARCH_FLAG_DOMAIN_SCOPE ) {
1304 if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
1305 rs->sr_text = "searchOptions control specified multiple times "
1306 "or with domainScope control";
1307 return LDAP_PROTOCOL_ERROR;
1310 op->o_domain_scope = ctrl->ldctl_iscritical
1311 ? SLAP_CONTROL_CRITICAL
1312 : SLAP_CONTROL_NONCRITICAL;
1315 if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) {
1316 /* Other search flags not recognised so far */
1317 rs->sr_text = "searchOptions contained unrecongized flag";
1318 return LDAP_UNWILLING_TO_PERFORM;
1321 return LDAP_SUCCESS;