2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2005 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;
40 static SLAP_CTRL_PARSE_FN parseSubentries;
42 #undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
44 const struct berval slap_pre_read_bv = BER_BVC(LDAP_CONTROL_PRE_READ);
45 const struct berval slap_post_read_bv = BER_BVC(LDAP_CONTROL_POST_READ);
47 struct slap_control_ids slap_cids;
53 /* The controlID for this control */
56 /* Operations supported by control */
59 /* Extended operations supported by control */
60 char **sc_extendedops;
62 /* Control parsing callback */
63 SLAP_CTRL_PARSE_FN *sc_parse;
65 LDAP_SLIST_ENTRY(slap_control) sc_next;
68 static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
69 = LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
72 * all known request control OIDs should be added to this list
75 * NOTE: initialize num_known_controls to 1 so that cid = 0 always
76 * addresses an undefined control; this allows to safely test for
77 * well known controls even if they are not registered, e.g. if
78 * they get moved to modules. An example is sc_LDAPsync, which
79 * is implemented in the syncprov overlay and thus, if configured
80 * as dynamic module, may not be registered. One side effect is that
81 * slap_known_controls[0] == NULL, so it should always be used
83 * FIXME: should we define the "undefined control" oid?
85 char *slap_known_controls[SLAP_MAX_CIDS+1];
86 static int num_known_controls = 1;
88 static char *proxy_authz_extops[] = {
89 LDAP_EXOP_MODIFY_PASSWD,
94 static struct slap_control control_defs[] = {
95 { LDAP_CONTROL_ASSERT,
96 (int)offsetof(struct slap_control_ids, sc_assert),
97 SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL,
98 parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) },
99 { LDAP_CONTROL_PRE_READ,
100 (int)offsetof(struct slap_control_ids, sc_preRead),
101 SLAP_CTRL_HIDE|SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL,
102 parsePreRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
103 { LDAP_CONTROL_POST_READ,
104 (int)offsetof(struct slap_control_ids, sc_postRead),
105 SLAP_CTRL_HIDE|SLAP_CTRL_ADD|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL,
106 parsePostRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
107 { LDAP_CONTROL_VALUESRETURNFILTER,
108 (int)offsetof(struct slap_control_ids, sc_valuesReturnFilter),
109 SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL,
110 parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
111 { LDAP_CONTROL_PAGEDRESULTS,
112 (int)offsetof(struct slap_control_ids, sc_pagedResults),
113 SLAP_CTRL_SEARCH, NULL,
114 parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
115 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
116 { LDAP_CONTROL_X_DOMAIN_SCOPE,
117 (int)offsetof(struct slap_control_ids, sc_domainScope),
118 SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL,
119 parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
121 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
122 { LDAP_CONTROL_X_PERMISSIVE_MODIFY,
123 (int)offsetof(struct slap_control_ids, sc_permissiveModify),
124 SLAP_CTRL_MODIFY, NULL,
125 parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
127 #ifdef SLAP_CONTROL_X_TREE_DELETE
128 { LDAP_CONTROL_X_TREE_DELETE,
129 (int)offsetof(struct slap_control_ids, sc_treeDelete),
130 SLAP_CTRL_HIDE|SLAP_CTRL_DELETE, NULL,
131 parseTreeDelete, LDAP_SLIST_ENTRY_INITIALIZER(next) },
133 #ifdef LDAP_CONTORL_X_SEARCH_OPTIONS
134 { LDAP_CONTORL_X_SEARCH_OPTIONS,
135 (int)offsetof(struct slap_control_ids, sc_searchOptions),
136 SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL,
137 parseSearchOptions, LDAP_SLIST_ENTRY_INITIALIZER(next) },
139 #ifdef LDAP_CONTROL_SUBENTRIES
140 { LDAP_CONTROL_SUBENTRIES,
141 (int)offsetof(struct slap_control_ids, sc_subentries),
142 SLAP_CTRL_SEARCH, NULL,
143 parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
146 (int)offsetof(struct slap_control_ids, sc_noOp),
147 SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL,
148 parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
149 #ifdef LDAP_CONTROL_MODIFY_INCREMENT
150 { LDAP_CONTROL_MODIFY_INCREMENT,
151 (int)offsetof(struct slap_control_ids, sc_modifyIncrement),
152 SLAP_CTRL_HIDE|SLAP_CTRL_MODIFY, NULL,
153 parseModifyIncrement, LDAP_SLIST_ENTRY_INITIALIZER(next) },
155 { LDAP_CONTROL_MANAGEDSAIT,
156 (int)offsetof(struct slap_control_ids, sc_manageDSAit),
157 SLAP_CTRL_ACCESS, NULL,
158 parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
159 { LDAP_CONTROL_PROXY_AUTHZ,
160 (int)offsetof(struct slap_control_ids, sc_proxyAuthz),
161 SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS, proxy_authz_extops,
162 parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
163 { NULL, 0, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
167 * Register a supported control.
169 * This can be called by an OpenLDAP plugin or, indirectly, by a
170 * SLAPI plugin calling slapi_register_supported_control().
173 register_supported_control(const char *controloid,
174 slap_mask_t controlmask,
176 SLAP_CTRL_PARSE_FN *controlparsefn,
179 struct slap_control *sc;
182 if ( num_known_controls >= SLAP_MAX_CIDS ) {
183 Debug( LDAP_DEBUG_ANY, "Too many controls registered."
184 " Recompile slapd with SLAP_MAX_CIDS defined > %d\n",
185 SLAP_MAX_CIDS, 0, 0 );
189 if ( controloid == NULL ) return LDAP_PARAM_ERROR;
191 /* sanity check - should never happen */
192 for ( i = 0; slap_known_controls[ i ]; i++ ) {
193 if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) {
194 Debug( LDAP_DEBUG_ANY,
195 "Control %s already registered.\n",
197 return LDAP_PARAM_ERROR;
201 sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
202 if ( sc == NULL ) return LDAP_NO_MEMORY;
204 sc->sc_oid = ch_strdup( controloid );
205 sc->sc_mask = controlmask;
206 if ( controlexops != NULL ) {
207 sc->sc_extendedops = ldap_charray_dup( controlexops );
208 if ( sc->sc_extendedops == NULL ) {
210 return LDAP_NO_MEMORY;
213 sc->sc_extendedops = NULL;
215 sc->sc_parse = controlparsefn;
217 if ( controlcid ) *controlcid = num_known_controls;
218 sc->sc_cid = num_known_controls;
220 /* Update slap_known_controls, too. */
221 slap_known_controls[num_known_controls-1] = sc->sc_oid;
222 slap_known_controls[num_known_controls++] = NULL;
224 LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
225 LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
230 * One-time initialization of internal controls.
233 slap_controls_init( void )
236 struct slap_control *sc;
240 for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
241 int *cid = (int *)(((char *)&slap_cids) + control_defs[i].sc_cid );
242 rc = register_supported_control( control_defs[i].sc_oid,
243 control_defs[i].sc_mask, control_defs[i].sc_extendedops,
244 control_defs[i].sc_parse, cid );
245 if ( rc != LDAP_SUCCESS ) break;
252 * Free memory associated with list of supported controls.
255 controls_destroy( void )
257 struct slap_control *sc;
259 while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
260 sc = LDAP_SLIST_FIRST(&controls_list);
261 LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
263 ch_free( sc->sc_oid );
264 if ( sc->sc_extendedops != NULL ) {
265 ldap_charray_free( sc->sc_extendedops );
272 * Format the supportedControl attribute of the root DSE,
273 * detailing which controls are supported by the directory
277 controls_root_dse_info( Entry *e )
279 AttributeDescription *ad_supportedControl
280 = slap_schema.si_ad_supportedControl;
281 struct berval vals[2];
282 struct slap_control *sc;
284 vals[1].bv_val = NULL;
287 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
288 if( sc->sc_mask & SLAP_CTRL_HIDE ) continue;
290 vals[0].bv_val = sc->sc_oid;
291 vals[0].bv_len = strlen( sc->sc_oid );
293 if ( attr_merge( e, ad_supportedControl, vals, NULL ) ) {
302 * Return a list of OIDs and operation masks for supported
303 * controls. Used by SLAPI.
306 get_supported_controls(char ***ctrloidsp,
307 slap_mask_t **ctrlmasks)
313 struct slap_control *sc;
317 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
327 oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
328 if ( oids == NULL ) {
329 return LDAP_NO_MEMORY;
331 masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
332 if ( masks == NULL ) {
334 return LDAP_NO_MEMORY;
339 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
340 oids[n] = ch_strdup( sc->sc_oid );
341 masks[n] = sc->sc_mask;
354 * Find a control given its OID.
356 static struct slap_control *
357 find_ctrl( const char *oid )
359 struct slap_control *sc;
361 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
362 if ( strcmp( oid, sc->sc_oid ) == 0 ) {
371 slap_find_control_id(
375 struct slap_control *ctrl = find_ctrl( oid );
377 if ( cid ) *cid = ctrl->sc_cid;
380 return LDAP_CONTROL_NOT_FOUND;
384 slap_global_control( Operation *op, const char *oid, int *cid )
386 struct slap_control *ctrl = find_ctrl( oid );
388 if ( ctrl == NULL ) {
389 /* should not be reachable */
390 Debug( LDAP_DEBUG_ANY,
391 "slap_global_control: unrecognized control: %s\n",
393 return LDAP_CONTROL_NOT_FOUND;
396 if ( cid ) *cid = ctrl->sc_cid;
398 if ( ( ctrl->sc_mask & SLAP_CTRL_GLOBAL ) ||
399 ( ( op->o_tag & LDAP_REQ_SEARCH ) &&
400 ( ctrl->sc_mask & SLAP_CTRL_GLOBAL_SEARCH ) ) )
402 return LDAP_COMPARE_TRUE;
405 Debug( LDAP_DEBUG_TRACE,
406 "slap_global_control: unavailable control: %s\n",
409 return LDAP_COMPARE_FALSE;
412 void slap_free_ctrls(
414 LDAPControl **ctrls )
418 for (i=0; ctrls[i]; i++) {
419 op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
421 op->o_tmpfree( ctrls, op->o_tmpmemctx );
433 BerElement *ber = op->o_ber;
434 struct slap_control *sc;
437 len = ber_pvt_ber_remaining(ber);
441 rs->sr_err = LDAP_SUCCESS;
445 if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
446 if( tag == LBER_ERROR ) {
447 rs->sr_err = SLAPD_DISCONNECT;
448 rs->sr_text = "unexpected data in PDU";
454 Debug( LDAP_DEBUG_TRACE,
455 "=> get_ctrls\n", 0, 0, 0 );
457 if( op->o_protocol < LDAP_VERSION3 ) {
458 rs->sr_err = SLAPD_DISCONNECT;
459 rs->sr_text = "controls require LDAPv3";
463 /* one for first control, one for termination */
464 op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
467 if( op->ctrls == NULL ) {
468 rs->sr_err = LDAP_NO_MEMORY;
469 rs->sr_text = "no memory";
474 op->o_ctrls[nctrls] = NULL;
476 /* step through each element */
477 for( tag = ber_first_element( ber, &len, &opaque );
479 tag = ber_next_element( ber, &len, opaque ) )
482 LDAPControl **tctrls;
484 c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
485 memset(c, 0, sizeof(LDAPControl));
487 /* allocate pointer space for current controls (nctrls)
488 * + this control + extra NULL
490 tctrls = op->o_tmprealloc( op->o_ctrls,
491 (nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
494 if( tctrls == NULL ) {
496 ldap_controls_free(op->o_ctrls);
499 rs->sr_err = LDAP_NO_MEMORY;
500 rs->sr_text = "no memory";
504 op->o_ctrls = tctrls;
506 op->o_ctrls[nctrls++] = c;
507 op->o_ctrls[nctrls] = NULL;
509 tag = ber_scanf( ber, "{m" /*}*/, &bv );
510 c->ldctl_oid = bv.bv_val;
512 if( tag == LBER_ERROR ) {
513 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
516 slap_free_ctrls( op, op->o_ctrls );
518 rs->sr_err = SLAPD_DISCONNECT;
519 rs->sr_text = "decoding controls error";
522 } else if( c->ldctl_oid == NULL ) {
523 Debug( LDAP_DEBUG_TRACE,
524 "get_ctrls: conn %lu got emtpy OID.\n",
525 op->o_connid, 0, 0 );
527 slap_free_ctrls( op, op->o_ctrls );
529 rs->sr_err = LDAP_PROTOCOL_ERROR;
530 rs->sr_text = "OID field is empty";
534 tag = ber_peek_tag( ber, &len );
536 if( tag == LBER_BOOLEAN ) {
538 tag = ber_scanf( ber, "b", &crit );
540 if( tag == LBER_ERROR ) {
541 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
543 slap_free_ctrls( op, op->o_ctrls );
545 rs->sr_err = SLAPD_DISCONNECT;
546 rs->sr_text = "decoding controls error";
550 c->ldctl_iscritical = (crit != 0);
551 tag = ber_peek_tag( ber, &len );
554 if( tag == LBER_OCTETSTRING ) {
555 tag = ber_scanf( ber, "m", &c->ldctl_value );
557 if( tag == LBER_ERROR ) {
558 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
559 "%s (%scritical): get value failed.\n",
560 op->o_connid, c->ldctl_oid,
561 c->ldctl_iscritical ? "" : "non" );
562 slap_free_ctrls( op, op->o_ctrls );
564 rs->sr_err = SLAPD_DISCONNECT;
565 rs->sr_text = "decoding controls error";
570 Debug( LDAP_DEBUG_TRACE,
571 "=> get_ctrls: oid=\"%s\" (%scritical)\n",
572 c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
574 sc = find_ctrl( c->ldctl_oid );
576 /* recognized control */
578 switch( op->o_tag ) {
580 tagmask = SLAP_CTRL_ADD;
583 tagmask = SLAP_CTRL_BIND;
585 case LDAP_REQ_COMPARE:
586 tagmask = SLAP_CTRL_COMPARE;
588 case LDAP_REQ_DELETE:
589 tagmask = SLAP_CTRL_DELETE;
591 case LDAP_REQ_MODIFY:
592 tagmask = SLAP_CTRL_MODIFY;
594 case LDAP_REQ_RENAME:
595 tagmask = SLAP_CTRL_RENAME;
597 case LDAP_REQ_SEARCH:
598 tagmask = SLAP_CTRL_SEARCH;
600 case LDAP_REQ_UNBIND:
601 tagmask = SLAP_CTRL_UNBIND;
603 case LDAP_REQ_ABANDON:
604 tagmask = SLAP_CTRL_ABANDON;
606 case LDAP_REQ_EXTENDED:
608 assert( op->ore_reqoid.bv_val != NULL );
609 if( sc->sc_extendedops != NULL ) {
611 for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
612 if( strcmp( op->ore_reqoid.bv_val,
613 sc->sc_extendedops[i] ) == 0 )
622 rs->sr_err = LDAP_OTHER;
623 rs->sr_text = "controls internal error";
627 if (( sc->sc_mask & tagmask ) == tagmask ) {
628 /* available extension */
631 if( !sc->sc_parse ) {
632 rs->sr_err = LDAP_OTHER;
633 rs->sr_text = "not yet implemented";
637 rc = sc->sc_parse( op, rs, c );
639 assert( rc != LDAP_UNAVAILABLE_CRITICAL_EXTENSION );
644 } else if( c->ldctl_iscritical ) {
645 /* unavailable CRITICAL control */
646 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
647 rs->sr_text = "critical extension is unavailable";
651 } else if( c->ldctl_iscritical ) {
652 /* unrecognized CRITICAL control */
653 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
654 rs->sr_text = "critical extension is not recognized";
661 Debug( LDAP_DEBUG_TRACE,
662 "<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
663 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
665 if( sendres && rs->sr_err != LDAP_SUCCESS ) {
666 if( rs->sr_err == SLAPD_DISCONNECT ) {
667 rs->sr_err = LDAP_PROTOCOL_ERROR;
668 send_ldap_disconnect( op, rs );
669 rs->sr_err = SLAPD_DISCONNECT;
671 send_ldap_result( op, rs );
678 static int parseModifyIncrement (
684 if ( op->o_modifyIncrement != SLAP_CONTROL_NONE ) {
685 rs->sr_text = "modifyIncrement control specified multiple times";
686 return LDAP_PROTOCOL_ERROR;
690 if ( ctrl->ldctl_value.bv_len ) {
691 rs->sr_text = "modifyIncrement control value not empty";
692 return LDAP_PROTOCOL_ERROR;
696 op->o_modifyIncrement = ctrl->ldctl_iscritical
697 ? SLAP_CONTROL_CRITICAL
698 : SLAP_CONTROL_NONCRITICAL;
704 static int parseManageDSAit (
709 if ( op->o_managedsait != SLAP_CONTROL_NONE ) {
710 rs->sr_text = "manageDSAit control specified multiple times";
711 return LDAP_PROTOCOL_ERROR;
714 if ( ctrl->ldctl_value.bv_len ) {
715 rs->sr_text = "manageDSAit control value not empty";
716 return LDAP_PROTOCOL_ERROR;
719 op->o_managedsait = ctrl->ldctl_iscritical
720 ? SLAP_CONTROL_CRITICAL
721 : SLAP_CONTROL_NONCRITICAL;
726 static int parseProxyAuthz (
732 struct berval dn = BER_BVNULL;
734 if ( op->o_proxy_authz != SLAP_CONTROL_NONE ) {
735 rs->sr_text = "proxy authorization control specified multiple times";
736 return LDAP_PROTOCOL_ERROR;
739 op->o_proxy_authz = ctrl->ldctl_iscritical
740 ? SLAP_CONTROL_CRITICAL
741 : SLAP_CONTROL_NONCRITICAL;
743 Debug( LDAP_DEBUG_ARGS,
744 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
746 ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
749 if( ctrl->ldctl_value.bv_len == 0 ) {
750 Debug( LDAP_DEBUG_TRACE,
751 "parseProxyAuthz: conn=%lu anonymous\n",
752 op->o_connid, 0, 0 );
755 free( op->o_dn.bv_val );
757 op->o_dn.bv_val = ch_strdup( "" );
759 free( op->o_ndn.bv_val );
760 op->o_ndn.bv_len = 0;
761 op->o_ndn.bv_val = ch_strdup( "" );
766 rc = slap_sasl_getdn( op->o_conn, op, &ctrl->ldctl_value,
767 NULL, &dn, SLAP_GETDN_AUTHZID );
769 /* FIXME: empty DN in proxyAuthz control should be legal... */
770 if( rc != LDAP_SUCCESS /* || !dn.bv_len */ ) {
772 ch_free( dn.bv_val );
774 rs->sr_text = "authzId mapping failed";
775 return LDAP_PROXY_AUTHZ_FAILURE;
778 Debug( LDAP_DEBUG_TRACE,
779 "parseProxyAuthz: conn=%lu \"%s\"\n",
781 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
783 rc = slap_sasl_authorized( op, &op->o_ndn, &dn );
786 ch_free( dn.bv_val );
787 rs->sr_text = "not authorized to assume identity";
788 return LDAP_PROXY_AUTHZ_FAILURE;
791 ch_free( op->o_dn.bv_val );
792 ch_free( op->o_ndn.bv_val );
794 op->o_dn.bv_val = NULL;
797 Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
798 op->o_log_prefix, dn.bv_val, 0, 0, 0 );
801 * NOTE: since slap_sasl_getdn() returns a normalized dn,
802 * from now on op->o_dn is normalized
804 ber_dupbv( &op->o_dn, &dn );
809 static int parseNoOp (
814 if ( op->o_noop != SLAP_CONTROL_NONE ) {
815 rs->sr_text = "noop control specified multiple times";
816 return LDAP_PROTOCOL_ERROR;
819 if ( ctrl->ldctl_value.bv_len ) {
820 rs->sr_text = "noop control value not empty";
821 return LDAP_PROTOCOL_ERROR;
824 op->o_noop = ctrl->ldctl_iscritical
825 ? SLAP_CONTROL_CRITICAL
826 : SLAP_CONTROL_NONCRITICAL;
831 static int parsePagedResults (
836 int rc = LDAP_SUCCESS;
840 struct berval cookie = BER_BVNULL;
841 PagedResultsState *ps;
843 if ( op->o_pagedresults != SLAP_CONTROL_NONE ) {
844 rs->sr_text = "paged results control specified multiple times";
845 return LDAP_PROTOCOL_ERROR;
848 if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
849 rs->sr_text = "paged results control value is empty (or absent)";
850 return LDAP_PROTOCOL_ERROR;
853 /* Parse the control value
854 * realSearchControlValue ::= SEQUENCE {
855 * size INTEGER (0..maxInt),
856 * -- requested page size from client
857 * -- result set size estimate from server
858 * cookie OCTET STRING
861 ber = ber_init( &ctrl->ldctl_value );
863 rs->sr_text = "internal error";
867 tag = ber_scanf( ber, "{im}", &size, &cookie );
869 if ( tag == LBER_ERROR ) {
870 rs->sr_text = "paged results control could not be decoded";
871 rc = LDAP_PROTOCOL_ERROR;
876 rs->sr_text = "paged results control size invalid";
877 rc = LDAP_PROTOCOL_ERROR;
882 /* defer cookie decoding/checks to backend... */
883 if ( cookie.bv_len ) {
884 PagedResultsCookie reqcookie;
885 if( cookie.bv_len != sizeof( reqcookie ) ) {
887 rs->sr_text = "paged results cookie is invalid";
888 rc = LDAP_PROTOCOL_ERROR;
892 AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
894 if ( reqcookie > op->o_pagedresults_state.ps_cookie ) {
896 rs->sr_text = "paged results cookie is invalid";
897 rc = LDAP_PROTOCOL_ERROR;
900 } else if ( reqcookie < op->o_pagedresults_state.ps_cookie ) {
901 rs->sr_text = "paged results cookie is invalid or old";
902 rc = LDAP_UNWILLING_TO_PERFORM;
907 /* Initial request. Initialize state. */
909 if ( op->o_conn->c_pagedresults_state.ps_cookie != 0 ) {
910 /* There's another pagedResults control on the
911 * same connection; reject new pagedResults controls
912 * (allowed by RFC2696) */
913 rs->sr_text = "paged results cookie unavailable; try later";
914 rc = LDAP_UNWILLING_TO_PERFORM;
918 op->o_pagedresults_state.ps_cookie = 0;
919 op->o_pagedresults_state.ps_count = 0;
923 ps = op->o_tmpalloc( sizeof(PagedResultsState), op->o_tmpmemctx );
924 *ps = op->o_conn->c_pagedresults_state;
926 op->o_pagedresults_state = ps;
928 /* NOTE: according to RFC 2696 3.:
930 If the page size is greater than or equal to the sizeLimit value, the
931 server should ignore the control as the request can be satisfied in a
934 * NOTE: this assumes that the op->ors_slimit be set
935 * before the controls are parsed.
938 if ( op->ors_slimit > 0 && size >= op->ors_slimit ) {
939 op->o_pagedresults = SLAP_CONTROL_IGNORED;
941 } else if ( ctrl->ldctl_iscritical ) {
942 op->o_pagedresults = SLAP_CONTROL_CRITICAL;
945 op->o_pagedresults = SLAP_CONTROL_NONCRITICAL;
949 (void)ber_free( ber, 1 );
953 static int parseAssert (
959 struct berval fstr = BER_BVNULL;
960 const char *err_msg = "";
962 if ( op->o_assert != SLAP_CONTROL_NONE ) {
963 rs->sr_text = "assert control specified multiple times";
964 return LDAP_PROTOCOL_ERROR;
967 if ( ctrl->ldctl_value.bv_len == 0 ) {
968 rs->sr_text = "assert control value is empty (or absent)";
969 return LDAP_PROTOCOL_ERROR;
972 ber = ber_init( &(ctrl->ldctl_value) );
974 rs->sr_text = "assert control: internal error";
978 rs->sr_err = get_filter( op, ber, (Filter **)&(op->o_assertion), &rs->sr_text);
980 if( rs->sr_err != LDAP_SUCCESS ) {
981 if( rs->sr_err == SLAPD_DISCONNECT ) {
982 rs->sr_err = LDAP_PROTOCOL_ERROR;
983 send_ldap_disconnect( op, rs );
984 rs->sr_err = SLAPD_DISCONNECT;
986 send_ldap_result( op, rs );
988 if( op->o_assertion != NULL ) {
989 filter_free_x( op, op->o_assertion );
995 filter2bv_x( op, op->o_assertion, &fstr );
997 Debug( LDAP_DEBUG_ARGS, "parseAssert: conn %ld assert: %s\n",
998 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
999 op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
1002 op->o_assert = ctrl->ldctl_iscritical
1003 ? SLAP_CONTROL_CRITICAL
1004 : SLAP_CONTROL_NONCRITICAL;
1006 rs->sr_err = LDAP_SUCCESS;
1007 return LDAP_SUCCESS;
1010 static int parsePreRead (
1015 ber_len_t siz, off, i;
1016 AttributeName *an = NULL;
1019 if ( op->o_preread != SLAP_CONTROL_NONE ) {
1020 rs->sr_text = "preread control specified multiple times";
1021 return LDAP_PROTOCOL_ERROR;
1024 if ( ctrl->ldctl_value.bv_len == 0 ) {
1025 rs->sr_text = "preread control value is empty (or absent)";
1026 return LDAP_PROTOCOL_ERROR;
1029 ber = ber_init( &(ctrl->ldctl_value) );
1031 rs->sr_text = "preread control: internal error";
1035 siz = sizeof( AttributeName );
1036 off = offsetof( AttributeName, an_name );
1037 if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
1038 rs->sr_text = "preread control: decoding error";
1039 return LDAP_PROTOCOL_ERROR;
1042 for( i=0; i<siz; i++ ) {
1043 int rc = LDAP_SUCCESS;
1044 const char *dummy = NULL;
1046 an[i].an_desc = NULL;
1048 an[i].an_oc_exclude = 0;
1049 rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
1050 if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
1053 : "postread control: unknown attributeType";
1058 op->o_preread = ctrl->ldctl_iscritical
1059 ? SLAP_CONTROL_CRITICAL
1060 : SLAP_CONTROL_NONCRITICAL;
1062 op->o_preread_attrs = an;
1064 rs->sr_err = LDAP_SUCCESS;
1065 return LDAP_SUCCESS;
1068 static int parsePostRead (
1073 ber_len_t siz, off, i;
1074 AttributeName *an = NULL;
1077 if ( op->o_postread != SLAP_CONTROL_NONE ) {
1078 rs->sr_text = "postread control specified multiple times";
1079 return LDAP_PROTOCOL_ERROR;
1082 if ( ctrl->ldctl_value.bv_len == 0 ) {
1083 rs->sr_text = "postread control value is empty (or absent)";
1084 return LDAP_PROTOCOL_ERROR;
1087 ber = ber_init( &(ctrl->ldctl_value) );
1089 rs->sr_text = "postread control: internal error";
1093 siz = sizeof( AttributeName );
1094 off = offsetof( AttributeName, an_name );
1095 if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
1096 rs->sr_text = "postread control: decoding error";
1097 return LDAP_PROTOCOL_ERROR;
1100 for( i=0; i<siz; i++ ) {
1101 int rc = LDAP_SUCCESS;
1102 const char *dummy = NULL;
1104 an[i].an_desc = NULL;
1106 an[i].an_oc_exclude = 0;
1107 rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
1108 if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
1111 : "postread control: unknown attributeType";
1116 op->o_postread = ctrl->ldctl_iscritical
1117 ? SLAP_CONTROL_CRITICAL
1118 : SLAP_CONTROL_NONCRITICAL;
1120 op->o_postread_attrs = an;
1122 rs->sr_err = LDAP_SUCCESS;
1123 return LDAP_SUCCESS;
1126 int parseValuesReturnFilter (
1132 struct berval fstr = BER_BVNULL;
1133 const char *err_msg = "";
1135 if ( op->o_valuesreturnfilter != SLAP_CONTROL_NONE ) {
1136 rs->sr_text = "valuesReturnFilter control specified multiple times";
1137 return LDAP_PROTOCOL_ERROR;
1140 if ( ctrl->ldctl_value.bv_len == 0 ) {
1141 rs->sr_text = "valuesReturnFilter control value is empty (or absent)";
1142 return LDAP_PROTOCOL_ERROR;
1145 ber = ber_init( &(ctrl->ldctl_value) );
1147 rs->sr_text = "internal error";
1151 rs->sr_err = get_vrFilter( op, ber, (ValuesReturnFilter **)&(op->o_vrFilter), &rs->sr_text);
1153 if( rs->sr_err != LDAP_SUCCESS ) {
1154 if( rs->sr_err == SLAPD_DISCONNECT ) {
1155 rs->sr_err = LDAP_PROTOCOL_ERROR;
1156 send_ldap_disconnect( op, rs );
1157 rs->sr_err = SLAPD_DISCONNECT;
1159 send_ldap_result( op, rs );
1161 if( op->o_vrFilter != NULL) vrFilter_free( op, op->o_vrFilter );
1165 vrFilter2bv( op, op->o_vrFilter, &fstr );
1168 Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
1169 fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
1170 op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
1173 op->o_valuesreturnfilter = ctrl->ldctl_iscritical
1174 ? SLAP_CONTROL_CRITICAL
1175 : SLAP_CONTROL_NONCRITICAL;
1177 rs->sr_err = LDAP_SUCCESS;
1178 return LDAP_SUCCESS;
1181 #ifdef LDAP_CONTROL_SUBENTRIES
1182 static int parseSubentries (
1187 if ( op->o_subentries != SLAP_CONTROL_NONE ) {
1188 rs->sr_text = "subentries control specified multiple times";
1189 return LDAP_PROTOCOL_ERROR;
1192 /* FIXME: should use BER library */
1193 if( ( ctrl->ldctl_value.bv_len != 3 )
1194 && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
1195 && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
1197 rs->sr_text = "subentries control value encoding is bogus";
1198 return LDAP_PROTOCOL_ERROR;
1201 op->o_subentries = ctrl->ldctl_iscritical
1202 ? SLAP_CONTROL_CRITICAL
1203 : SLAP_CONTROL_NONCRITICAL;
1205 if ( (void *)(ctrl->ldctl_value.bv_val[2] != 0x00))
1206 set_subentries_visibility( op );
1208 return LDAP_SUCCESS;
1212 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
1213 static int parsePermissiveModify (
1218 if ( op->o_permissive_modify != SLAP_CONTROL_NONE ) {
1219 rs->sr_text = "permissiveModify control specified multiple times";
1220 return LDAP_PROTOCOL_ERROR;
1223 if ( ctrl->ldctl_value.bv_len ) {
1224 rs->sr_text = "permissiveModify control value not empty";
1225 return LDAP_PROTOCOL_ERROR;
1228 op->o_permissive_modify = ctrl->ldctl_iscritical
1229 ? SLAP_CONTROL_CRITICAL
1230 : SLAP_CONTROL_NONCRITICAL;
1232 return LDAP_SUCCESS;
1236 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1237 static int parseDomainScope (
1242 if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
1243 rs->sr_text = "domainScope control specified multiple times";
1244 return LDAP_PROTOCOL_ERROR;
1247 if ( ctrl->ldctl_value.bv_len ) {
1248 rs->sr_text = "domainScope control value not empty";
1249 return LDAP_PROTOCOL_ERROR;
1252 op->o_domain_scope = ctrl->ldctl_iscritical
1253 ? SLAP_CONTROL_CRITICAL
1254 : SLAP_CONTROL_NONCRITICAL;
1256 return LDAP_SUCCESS;
1260 #ifdef LDAP_CONTROL_X_TREE_DELETE
1261 static int parseTreeDelete (
1266 if ( op->o_tree_delete != SLAP_CONTROL_NONE ) {
1267 rs->sr_text = "treeDelete control specified multiple times";
1268 return LDAP_PROTOCOL_ERROR;
1271 if ( ctrl->ldctl_value.bv_len ) {
1272 rs->sr_text = "treeDelete control value not empty";
1273 return LDAP_PROTOCOL_ERROR;
1276 op->o_tree_delete = ctrl->ldctl_iscritical
1277 ? SLAP_CONTROL_CRITICAL
1278 : SLAP_CONTROL_NONCRITICAL;
1280 return LDAP_SUCCESS;
1284 #ifdef LDAP_CONTORL_X_SEARCH_OPTIONS
1285 static int parseSearchOptions (
1291 ber_int_t search_flags;
1293 if ( ctrl->ldctl_value.bv_len == 0 ) {
1294 rs->sr_text = "searchOptions control value not empty";
1295 return LDAP_PROTOCOL_ERROR;
1298 ber = ber_init( &ctrl->ldctl_value );
1300 rs->sr_text = "internal error";
1304 if ( (tag = ber_scanf( ber, "{i}", &search_flags )) == LBER_ERROR ) {
1305 rs->sr_text = "searchOptions control decoding error";
1306 return LDAP_PROTOCOL_ERROR;
1309 (void) ber_free( ber, 1 );
1311 if ( search_flags & LDAP_SEARCH_FLAG_DOMAIN_SCOPE ) {
1312 if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
1313 rs->sr_text = "searchOptions control specified multiple times "
1314 "or with domainScope control";
1315 return LDAP_PROTOCOL_ERROR;
1318 op->o_domain_scope = ctrl->ldctl_iscritical
1319 ? SLAP_CONTROL_CRITICAL
1320 : SLAP_CONTROL_NONCRITICAL;
1323 if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) {
1324 /* Other search flags not recognised so far,
1326 * LDAP_SEARCH_FLAG_PHANTOM_ROOM
1328 rs->sr_text = "searchOptions contained unrecongized flag";
1329 return LDAP_UNWILLING_TO_PERFORM;
1332 return LDAP_SUCCESS;