2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2003 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;
39 #ifdef LDAP_CONTROL_SUBENTRIES
40 static SLAP_CTRL_PARSE_FN parseSubentries;
42 static SLAP_CTRL_PARSE_FN parseLDAPsync;
44 #undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
46 const struct berval slap_pre_read_bv = BER_BVC(LDAP_CONTROL_PRE_READ);
47 const struct berval slap_post_read_bv = BER_BVC(LDAP_CONTROL_POST_READ);
53 /* Operations supported by control */
56 /* Extended operations supported by control */
57 char **sc_extendedops;
59 /* Control parsing callback */
60 SLAP_CTRL_PARSE_FN *sc_parse;
62 LDAP_SLIST_ENTRY(slap_control) sc_next;
65 static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
66 = LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
69 * all known request control OIDs should be added to this list
71 char **slap_known_controls = NULL;
73 static char *proxy_authz_extops[] = {
74 LDAP_EXOP_MODIFY_PASSWD,
79 static struct slap_control control_defs[] = {
80 { LDAP_CONTROL_ASSERT,
81 SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL,
82 parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) },
83 { LDAP_CONTROL_PRE_READ,
84 SLAP_CTRL_HIDE|SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL,
85 parsePreRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
86 { LDAP_CONTROL_POST_READ,
87 SLAP_CTRL_HIDE|SLAP_CTRL_ADD|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL,
88 parsePostRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
89 { LDAP_CONTROL_VALUESRETURNFILTER,
90 SLAP_CTRL_SEARCH, NULL,
91 parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
92 { LDAP_CONTROL_PAGEDRESULTS,
93 SLAP_CTRL_SEARCH, NULL,
94 parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
95 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
96 { LDAP_CONTROL_X_DOMAIN_SCOPE,
97 SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
98 parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
100 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
101 { LDAP_CONTROL_X_PERMISSIVE_MODIFY,
102 SLAP_CTRL_MODIFY, NULL,
103 parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
105 #ifdef LDAP_CONTROL_SUBENTRIES
106 { LDAP_CONTROL_SUBENTRIES,
107 SLAP_CTRL_SEARCH, NULL,
108 parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
111 SLAP_CTRL_ACCESS, NULL,
112 parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
114 SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
115 parseLDAPsync, LDAP_SLIST_ENTRY_INITIALIZER(next) },
116 { LDAP_CONTROL_MODIFY_INCREMENT,
117 SLAP_CTRL_HIDE|SLAP_CTRL_MODIFY, NULL,
118 parseModifyIncrement, LDAP_SLIST_ENTRY_INITIALIZER(next) },
119 { LDAP_CONTROL_MANAGEDSAIT,
120 SLAP_CTRL_ACCESS, NULL,
121 parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
122 { LDAP_CONTROL_PROXY_AUTHZ,
123 SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops,
124 parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
125 { NULL, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
129 * Register a supported control.
131 * This can be called by an OpenLDAP plugin or, indirectly, by a
132 * SLAPI plugin calling slapi_register_supported_control().
135 register_supported_control(const char *controloid,
136 slap_mask_t controlmask,
138 SLAP_CTRL_PARSE_FN *controlparsefn)
140 struct slap_control *sc;
143 if ( controloid == NULL ) {
144 return LDAP_PARAM_ERROR;
147 sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
149 return LDAP_NO_MEMORY;
151 sc->sc_oid = ch_strdup( controloid );
152 sc->sc_mask = controlmask;
153 if ( controlexops != NULL ) {
154 sc->sc_extendedops = ldap_charray_dup( controlexops );
155 if ( sc->sc_extendedops == NULL ) {
157 return LDAP_NO_MEMORY;
160 sc->sc_extendedops = NULL;
162 sc->sc_parse = controlparsefn;
164 /* Update slap_known_controls, too. */
165 if ( slap_known_controls == NULL ) {
166 slap_known_controls = (char **)SLAP_MALLOC( 2 * sizeof(char *) );
167 if ( slap_known_controls == NULL ) {
168 if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
170 return LDAP_NO_MEMORY;
172 slap_known_controls[0] = ch_strdup( sc->sc_oid );
173 slap_known_controls[1] = NULL;
175 for ( i = 0; slap_known_controls[i] != NULL; i++ )
177 slap_known_controls = (char **)SLAP_REALLOC( slap_known_controls, (i + 2) * sizeof(char *) );
178 if ( slap_known_controls == NULL ) {
179 if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
181 return LDAP_NO_MEMORY;
183 slap_known_controls[i++] = ch_strdup( sc->sc_oid );
184 slap_known_controls[i] = NULL;
187 LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
188 LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
194 * One-time initialization of internal controls.
197 slap_controls_init( void )
200 struct slap_control *sc;
204 for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
205 rc = register_supported_control( control_defs[i].sc_oid,
206 control_defs[i].sc_mask, control_defs[i].sc_extendedops,
207 control_defs[i].sc_parse );
208 if ( rc != LDAP_SUCCESS )
216 * Free memory associated with list of supported controls.
219 controls_destroy( void )
221 struct slap_control *sc;
223 while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
224 sc = LDAP_SLIST_FIRST(&controls_list);
225 LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
227 ch_free( sc->sc_oid );
228 if ( sc->sc_extendedops != NULL ) {
229 ldap_charray_free( sc->sc_extendedops );
233 ldap_charray_free( slap_known_controls );
237 * Format the supportedControl attribute of the root DSE,
238 * detailing which controls are supported by the directory
242 controls_root_dse_info( Entry *e )
244 AttributeDescription *ad_supportedControl
245 = slap_schema.si_ad_supportedControl;
246 struct berval vals[2];
247 struct slap_control *sc;
249 vals[1].bv_val = NULL;
252 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
253 if( sc->sc_mask & SLAP_CTRL_HIDE ) continue;
255 vals[0].bv_val = sc->sc_oid;
256 vals[0].bv_len = strlen( sc->sc_oid );
258 if ( attr_merge( e, ad_supportedControl, vals, NULL ) ) {
267 * Return a list of OIDs and operation masks for supported
268 * controls. Used by SLAPI.
271 get_supported_controls(char ***ctrloidsp,
272 slap_mask_t **ctrlmasks)
278 struct slap_control *sc;
282 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
292 oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
293 if ( oids == NULL ) {
294 return LDAP_NO_MEMORY;
296 masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
297 if ( masks == NULL ) {
299 return LDAP_NO_MEMORY;
304 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
305 oids[n] = ch_strdup( sc->sc_oid );
306 masks[n] = sc->sc_mask;
319 * Find a control given its OID.
321 static struct slap_control *
322 find_ctrl( const char *oid )
324 struct slap_control *sc;
326 LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
327 if ( strcmp( oid, sc->sc_oid ) == 0 ) {
335 void slap_free_ctrls(
342 for (i=0; ctrls[i]; i++) {
343 op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
345 op->o_tmpfree( ctrls, op->o_tmpmemctx );
357 BerElement *ber = op->o_ber;
358 struct slap_control *sc;
361 len = ber_pvt_ber_remaining(ber);
365 rs->sr_err = LDAP_SUCCESS;
369 if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
370 if( tag == LBER_ERROR ) {
371 rs->sr_err = SLAPD_DISCONNECT;
372 rs->sr_text = "unexpected data in PDU";
379 LDAP_LOG( OPERATION, ENTRY,
380 "get_ctrls: conn %lu\n", op->o_connid, 0, 0 );
382 Debug( LDAP_DEBUG_TRACE,
383 "=> get_ctrls\n", 0, 0, 0 );
386 if( op->o_protocol < LDAP_VERSION3 ) {
387 rs->sr_err = SLAPD_DISCONNECT;
388 rs->sr_text = "controls require LDAPv3";
392 /* one for first control, one for termination */
393 op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
396 if( op->ctrls == NULL ) {
397 rs->sr_err = LDAP_NO_MEMORY;
398 rs->sr_text = "no memory";
403 op->o_ctrls[nctrls] = NULL;
405 /* step through each element */
406 for( tag = ber_first_element( ber, &len, &opaque );
408 tag = ber_next_element( ber, &len, opaque ) )
411 LDAPControl **tctrls;
413 c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
414 memset(c, 0, sizeof(LDAPControl));
416 /* allocate pointer space for current controls (nctrls)
417 * + this control + extra NULL
419 tctrls = op->o_tmprealloc( op->o_ctrls,
420 (nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
423 if( tctrls == NULL ) {
425 ldap_controls_free(op->o_ctrls);
428 rs->sr_err = LDAP_NO_MEMORY;
429 rs->sr_text = "no memory";
433 op->o_ctrls = tctrls;
435 op->o_ctrls[nctrls++] = c;
436 op->o_ctrls[nctrls] = NULL;
438 tag = ber_scanf( ber, "{m" /*}*/, &bv );
439 c->ldctl_oid = bv.bv_val;
441 if( tag == LBER_ERROR ) {
443 LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n",
444 op->o_connid, 0, 0 );
446 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
450 slap_free_ctrls( op, op->o_ctrls );
452 rs->sr_err = SLAPD_DISCONNECT;
453 rs->sr_text = "decoding controls error";
456 } else if( c->ldctl_oid == NULL ) {
458 LDAP_LOG( OPERATION, INFO,
459 "get_ctrls: conn %lu got emtpy OID.\n",
460 op->o_connid, 0, 0 );
462 Debug( LDAP_DEBUG_TRACE,
463 "get_ctrls: conn %lu got emtpy OID.\n",
464 op->o_connid, 0, 0 );
467 slap_free_ctrls( op, op->o_ctrls );
469 rs->sr_err = LDAP_PROTOCOL_ERROR;
470 rs->sr_text = "OID field is empty";
474 tag = ber_peek_tag( ber, &len );
476 if( tag == LBER_BOOLEAN ) {
478 tag = ber_scanf( ber, "b", &crit );
480 if( tag == LBER_ERROR ) {
482 LDAP_LOG( OPERATION, INFO,
483 "get_ctrls: conn %lu get crit failed.\n",
484 op->o_connid, 0, 0 );
486 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
489 slap_free_ctrls( op, op->o_ctrls );
491 rs->sr_err = SLAPD_DISCONNECT;
492 rs->sr_text = "decoding controls error";
496 c->ldctl_iscritical = (crit != 0);
497 tag = ber_peek_tag( ber, &len );
500 if( tag == LBER_OCTETSTRING ) {
501 tag = ber_scanf( ber, "m", &c->ldctl_value );
503 if( tag == LBER_ERROR ) {
505 LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: "
506 "%s (%scritical): get value failed.\n",
507 op->o_connid, c->ldctl_oid,
508 c->ldctl_iscritical ? "" : "non" );
510 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
511 "%s (%scritical): get value failed.\n",
512 op->o_connid, c->ldctl_oid,
513 c->ldctl_iscritical ? "" : "non" );
515 slap_free_ctrls( op, op->o_ctrls );
517 rs->sr_err = SLAPD_DISCONNECT;
518 rs->sr_text = "decoding controls error";
524 LDAP_LOG( OPERATION, INFO,
525 "get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
526 op->o_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" );
528 Debug( LDAP_DEBUG_TRACE,
529 "=> get_ctrls: oid=\"%s\" (%scritical)\n",
530 c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
533 sc = find_ctrl( c->ldctl_oid );
535 /* recognized control */
537 switch( op->o_tag ) {
539 tagmask = SLAP_CTRL_ADD;
542 tagmask = SLAP_CTRL_BIND;
544 case LDAP_REQ_COMPARE:
545 tagmask = SLAP_CTRL_COMPARE;
547 case LDAP_REQ_DELETE:
548 tagmask = SLAP_CTRL_DELETE;
550 case LDAP_REQ_MODIFY:
551 tagmask = SLAP_CTRL_MODIFY;
553 case LDAP_REQ_RENAME:
554 tagmask = SLAP_CTRL_RENAME;
556 case LDAP_REQ_SEARCH:
557 tagmask = SLAP_CTRL_SEARCH;
559 case LDAP_REQ_UNBIND:
560 tagmask = SLAP_CTRL_UNBIND;
562 case LDAP_REQ_ABANDON:
563 tagmask = SLAP_CTRL_ABANDON;
565 case LDAP_REQ_EXTENDED:
567 assert( op->ore_reqoid.bv_val != NULL );
568 if( sc->sc_extendedops != NULL ) {
570 for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
571 if( strcmp( op->ore_reqoid.bv_val, sc->sc_extendedops[i] )
581 rs->sr_err = LDAP_OTHER;
582 rs->sr_text = "controls internal error";
586 if (( sc->sc_mask & tagmask ) == tagmask ) {
587 /* available extension */
589 if( !sc->sc_parse ) {
590 rs->sr_err = LDAP_OTHER;
591 rs->sr_text = "not yet implemented";
595 rs->sr_err = sc->sc_parse( op, rs, c );
597 if( rs->sr_err != LDAP_SUCCESS ) goto return_results;
599 if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
600 /* kludge to disable backend_control() check */
601 c->ldctl_iscritical = 0;
603 } else if ( tagmask == SLAP_CTRL_SEARCH &&
604 sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
606 /* kludge to disable backend_control() check */
607 c->ldctl_iscritical = 0;
610 } else if( c->ldctl_iscritical ) {
611 /* unavailable CRITICAL control */
612 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
613 rs->sr_text = "critical extension is unavailable";
617 } else if( c->ldctl_iscritical ) {
618 /* unrecognized CRITICAL control */
619 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
620 rs->sr_text = "critical extension is not recognized";
627 LDAP_LOG( OPERATION, RESULTS,
628 "get_ctrls: n=%d rc=%d err=\"%s\"\n",
629 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
631 Debug( LDAP_DEBUG_TRACE,
632 "<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
633 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
636 if( sendres && rs->sr_err != LDAP_SUCCESS ) {
637 if( rs->sr_err == SLAPD_DISCONNECT ) {
638 rs->sr_err = LDAP_PROTOCOL_ERROR;
639 send_ldap_disconnect( op, rs );
640 rs->sr_err = SLAPD_DISCONNECT;
642 send_ldap_result( op, rs );
649 static int parseModifyIncrement (
655 if ( op->o_parseModifyIncrement != SLAP_NO_CONTROL ) {
656 rs->sr_text = "modifyIncrement control specified multiple times";
657 return LDAP_PROTOCOL_ERROR;
661 if ( ctrl->ldctl_value.bv_len ) {
662 rs->sr_text = "modifyIncrement control value not empty";
663 return LDAP_PROTOCOL_ERROR;
667 op->o_parseModifyIncrement = ctrl->ldctl_iscritical
668 ? SLAP_CRITICAL_CONTROL
669 : SLAP_NONCRITICAL_CONTROL;
675 static int parseManageDSAit (
680 if ( op->o_managedsait != SLAP_NO_CONTROL ) {
681 rs->sr_text = "manageDSAit control specified multiple times";
682 return LDAP_PROTOCOL_ERROR;
685 if ( ctrl->ldctl_value.bv_len ) {
686 rs->sr_text = "manageDSAit control value not empty";
687 return LDAP_PROTOCOL_ERROR;
690 op->o_managedsait = ctrl->ldctl_iscritical
691 ? SLAP_CRITICAL_CONTROL
692 : SLAP_NONCRITICAL_CONTROL;
697 static int parseProxyAuthz (
703 struct berval dn = { 0, NULL };
705 if ( op->o_proxy_authz != SLAP_NO_CONTROL ) {
706 rs->sr_text = "proxy authorization control specified multiple times";
707 return LDAP_PROTOCOL_ERROR;
710 op->o_proxy_authz = ctrl->ldctl_iscritical
711 ? SLAP_CRITICAL_CONTROL
712 : SLAP_NONCRITICAL_CONTROL;
715 LDAP_LOG( OPERATION, ARGS,
716 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
718 ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
721 Debug( LDAP_DEBUG_ARGS,
722 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
724 ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
728 if( ctrl->ldctl_value.bv_len == 0 ) {
730 LDAP_LOG( OPERATION, RESULTS,
731 "parseProxyAuthz: conn=%lu anonymous\n",
732 op->o_connid, 0, 0 );
734 Debug( LDAP_DEBUG_TRACE,
735 "parseProxyAuthz: conn=%lu anonymous\n",
736 op->o_connid, 0, 0 );
740 free( op->o_dn.bv_val );
742 op->o_dn.bv_val = ch_strdup( "" );
744 free( op->o_ndn.bv_val );
745 op->o_ndn.bv_len = 0;
746 op->o_ndn.bv_val = ch_strdup( "" );
751 /* FIXME: how can we get the realm? */
754 char buf[ SLAP_LDAPDN_MAXLEN ];
760 if ( sizeof( buf ) <= ctrl->ldctl_value.bv_len ) {
761 return LDAP_INVALID_SYNTAX;
764 id.bv_len = ctrl->ldctl_value.bv_len;
766 strncpy( buf, ctrl->ldctl_value.bv_val, sizeof( buf ) );
768 rc = slap_parse_user( &id, &user, &realm, &mech );
769 if ( rc == LDAP_SUCCESS ) {
770 struct berval authz = BER_BVC( "AUTHZ" );
772 if ( mech.bv_len && !bvmatch( &mech, &authz) ) {
773 rs->sr_text = "mech not allowed in authzId";
774 return LDAP_PROXY_AUTHZ_FAILURE;
777 user = ctrl->ldctl_value;
780 rc = slap_sasl_getdn( op->o_conn, op,
781 user.bv_val, user.bv_len,
782 realm.bv_val, &dn, SLAP_GETDN_AUTHZID );
784 if( rc != LDAP_SUCCESS || !dn.bv_len ) {
786 ch_free( dn.bv_val );
788 rs->sr_text = "authzId mapping failed";
789 return LDAP_PROXY_AUTHZ_FAILURE;
794 LDAP_LOG( OPERATION, RESULTS,
795 "parseProxyAuthz: conn=%lu \"%s\"\n",
797 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
799 Debug( LDAP_DEBUG_TRACE,
800 "parseProxyAuthz: conn=%lu \"%s\"\n",
802 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
805 rc = slap_sasl_authorized( op, &op->o_ndn, &dn );
808 ch_free( dn.bv_val );
809 rs->sr_text = "not authorized to assume identity";
810 return LDAP_PROXY_AUTHZ_FAILURE;
813 ch_free( op->o_dn.bv_val );
814 ch_free( op->o_ndn.bv_val );
816 op->o_dn.bv_val = NULL;
820 * NOTE: since slap_sasl_getdn() returns a normalized dn,
821 * from now on op->o_dn is normalized
823 ber_dupbv( &op->o_dn, &dn );
828 static int parseNoOp (
833 if ( op->o_noop != SLAP_NO_CONTROL ) {
834 rs->sr_text = "noop control specified multiple times";
835 return LDAP_PROTOCOL_ERROR;
838 if ( ctrl->ldctl_value.bv_len ) {
839 rs->sr_text = "noop control value not empty";
840 return LDAP_PROTOCOL_ERROR;
843 op->o_noop = ctrl->ldctl_iscritical
844 ? SLAP_CRITICAL_CONTROL
845 : SLAP_NONCRITICAL_CONTROL;
850 static int parsePagedResults (
858 struct berval cookie = { 0, NULL };
860 if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
861 rs->sr_text = "paged results control specified multiple times";
862 return LDAP_PROTOCOL_ERROR;
865 if ( ctrl->ldctl_value.bv_len == 0 ) {
866 rs->sr_text = "paged results control value is empty (or absent)";
867 return LDAP_PROTOCOL_ERROR;
870 /* Parse the control value
871 * realSearchControlValue ::= SEQUENCE {
872 * size INTEGER (0..maxInt),
873 * -- requested page size from client
874 * -- result set size estimate from server
875 * cookie OCTET STRING
878 ber = ber_init( &ctrl->ldctl_value );
880 rs->sr_text = "internal error";
884 tag = ber_scanf( ber, "{im}", &size, &cookie );
885 (void) ber_free( ber, 1 );
887 if( tag == LBER_ERROR ) {
888 rs->sr_text = "paged results control could not be decoded";
889 return LDAP_PROTOCOL_ERROR;
893 rs->sr_text = "paged results control size invalid";
894 return LDAP_PROTOCOL_ERROR;
897 if( cookie.bv_len ) {
898 PagedResultsCookie reqcookie;
899 if( cookie.bv_len != sizeof( reqcookie ) ) {
901 rs->sr_text = "paged results cookie is invalid";
902 return LDAP_PROTOCOL_ERROR;
905 AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
907 if( reqcookie > op->o_pagedresults_state.ps_cookie ) {
909 rs->sr_text = "paged results cookie is invalid";
910 return LDAP_PROTOCOL_ERROR;
912 } else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
913 rs->sr_text = "paged results cookie is invalid or old";
914 return LDAP_UNWILLING_TO_PERFORM;
917 /* Initial request. Initialize state. */
918 op->o_pagedresults_state.ps_cookie = 0;
919 op->o_pagedresults_state.ps_id = NOID;
922 op->o_pagedresults_size = size;
924 op->o_pagedresults = ctrl->ldctl_iscritical
925 ? SLAP_CRITICAL_CONTROL
926 : SLAP_NONCRITICAL_CONTROL;
931 static int parseAssert (
937 struct berval fstr = { 0, NULL };
938 const char *err_msg = "";
940 if ( op->o_assert != SLAP_NO_CONTROL ) {
941 rs->sr_text = "assert control specified multiple times";
942 return LDAP_PROTOCOL_ERROR;
945 if ( ctrl->ldctl_value.bv_len == 0 ) {
946 rs->sr_text = "assert control value is empty (or absent)";
947 return LDAP_PROTOCOL_ERROR;
950 ber = ber_init( &(ctrl->ldctl_value) );
952 rs->sr_text = "assert control: internal error";
956 rs->sr_err = get_filter( op, ber, &(op->o_assertion), &rs->sr_text);
958 if( rs->sr_err != LDAP_SUCCESS ) {
959 if( rs->sr_err == SLAPD_DISCONNECT ) {
960 rs->sr_err = LDAP_PROTOCOL_ERROR;
961 send_ldap_disconnect( op, rs );
962 rs->sr_err = SLAPD_DISCONNECT;
964 send_ldap_result( op, rs );
966 if( op->o_assertion != NULL ) {
967 filter_free_x( op, op->o_assertion );
973 filter2bv_x( op, op->o_assertion, &fstr );
976 LDAP_LOG( OPERATION, ARGS,
977 "parseAssert: conn %ld assert: %s\n",
978 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
980 Debug( LDAP_DEBUG_ARGS, "parseAssert: conn %ld assert: %s\n",
981 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
983 op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
986 op->o_assert = ctrl->ldctl_iscritical
987 ? SLAP_CRITICAL_CONTROL
988 : SLAP_NONCRITICAL_CONTROL;
990 rs->sr_err = LDAP_SUCCESS;
994 static int parsePreRead (
999 ber_len_t siz, off, i;
1000 AttributeName *an = NULL;
1003 if ( op->o_preread != SLAP_NO_CONTROL ) {
1004 rs->sr_text = "preread control specified multiple times";
1005 return LDAP_PROTOCOL_ERROR;
1008 if ( ctrl->ldctl_value.bv_len == 0 ) {
1009 rs->sr_text = "preread control value is empty (or absent)";
1010 return LDAP_PROTOCOL_ERROR;
1013 ber = ber_init( &(ctrl->ldctl_value) );
1015 rs->sr_text = "preread control: internal error";
1019 siz = sizeof( AttributeName );
1020 off = offsetof( AttributeName, an_name );
1021 if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
1022 rs->sr_text = "preread control: decoding error";
1023 return LDAP_PROTOCOL_ERROR;
1026 for( i=0; i<siz; i++ ) {
1027 int rc = LDAP_SUCCESS;
1028 const char *dummy = NULL;
1030 an[i].an_desc = NULL;
1032 an[i].an_oc_exclude = 0;
1033 rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
1034 if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
1035 rs->sr_text = dummy ? dummy : "postread control: unknown attributeType";
1040 op->o_preread = ctrl->ldctl_iscritical
1041 ? SLAP_CRITICAL_CONTROL
1042 : SLAP_NONCRITICAL_CONTROL;
1044 op->o_preread_attrs = an;
1046 rs->sr_err = LDAP_SUCCESS;
1047 return LDAP_SUCCESS;
1050 static int parsePostRead (
1055 ber_len_t siz, off, i;
1056 AttributeName *an = NULL;
1059 if ( op->o_postread != SLAP_NO_CONTROL ) {
1060 rs->sr_text = "postread control specified multiple times";
1061 return LDAP_PROTOCOL_ERROR;
1064 if ( ctrl->ldctl_value.bv_len == 0 ) {
1065 rs->sr_text = "postread control value is empty (or absent)";
1066 return LDAP_PROTOCOL_ERROR;
1069 ber = ber_init( &(ctrl->ldctl_value) );
1071 rs->sr_text = "postread control: internal error";
1075 siz = sizeof( AttributeName );
1076 off = offsetof( AttributeName, an_name );
1077 if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
1078 rs->sr_text = "postread control: decoding error";
1079 return LDAP_PROTOCOL_ERROR;
1082 for( i=0; i<siz; i++ ) {
1083 int rc = LDAP_SUCCESS;
1084 const char *dummy = NULL;
1086 an[i].an_desc = NULL;
1088 an[i].an_oc_exclude = 0;
1089 rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
1090 if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
1091 rs->sr_text = dummy ? dummy : "postread control: unknown attributeType";
1096 op->o_postread = ctrl->ldctl_iscritical
1097 ? SLAP_CRITICAL_CONTROL
1098 : SLAP_NONCRITICAL_CONTROL;
1100 op->o_postread_attrs = an;
1102 rs->sr_err = LDAP_SUCCESS;
1103 return LDAP_SUCCESS;
1106 int parseValuesReturnFilter (
1112 struct berval fstr = { 0, NULL };
1113 const char *err_msg = "";
1115 if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
1116 rs->sr_text = "valuesReturnFilter control specified multiple times";
1117 return LDAP_PROTOCOL_ERROR;
1120 if ( ctrl->ldctl_value.bv_len == 0 ) {
1121 rs->sr_text = "valuesReturnFilter control value is empty (or absent)";
1122 return LDAP_PROTOCOL_ERROR;
1125 ber = ber_init( &(ctrl->ldctl_value) );
1127 rs->sr_text = "internal error";
1131 rs->sr_err = get_vrFilter( op, ber, &(op->o_vrFilter), &rs->sr_text);
1133 if( rs->sr_err != LDAP_SUCCESS ) {
1134 if( rs->sr_err == SLAPD_DISCONNECT ) {
1135 rs->sr_err = LDAP_PROTOCOL_ERROR;
1136 send_ldap_disconnect( op, rs );
1137 rs->sr_err = SLAPD_DISCONNECT;
1139 send_ldap_result( op, rs );
1141 if( op->o_vrFilter != NULL) vrFilter_free( op, op->o_vrFilter );
1145 vrFilter2bv( op, op->o_vrFilter, &fstr );
1149 LDAP_LOG( OPERATION, ARGS,
1150 "parseValuesReturnFilter: conn %d vrFilter: %s\n",
1151 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
1153 Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
1154 fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
1156 op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
1159 op->o_valuesreturnfilter = ctrl->ldctl_iscritical
1160 ? SLAP_CRITICAL_CONTROL
1161 : SLAP_NONCRITICAL_CONTROL;
1163 rs->sr_err = LDAP_SUCCESS;
1164 return LDAP_SUCCESS;
1167 #ifdef LDAP_CONTROL_SUBENTRIES
1168 static int parseSubentries (
1173 if ( op->o_subentries != SLAP_NO_CONTROL ) {
1174 rs->sr_text = "subentries control specified multiple times";
1175 return LDAP_PROTOCOL_ERROR;
1178 /* FIXME: should use BER library */
1179 if( ( ctrl->ldctl_value.bv_len != 3 )
1180 && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
1181 && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
1183 rs->sr_text = "subentries control value encoding is bogus";
1184 return LDAP_PROTOCOL_ERROR;
1187 op->o_subentries = ctrl->ldctl_iscritical
1188 ? SLAP_CRITICAL_CONTROL
1189 : SLAP_NONCRITICAL_CONTROL;
1191 op->o_subentries_visibility = (ctrl->ldctl_value.bv_val[2] != 0x00);
1193 return LDAP_SUCCESS;
1197 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
1198 static int parsePermissiveModify (
1203 if ( op->o_permissive_modify != SLAP_NO_CONTROL ) {
1204 rs->sr_text = "permissiveModify control specified multiple times";
1205 return LDAP_PROTOCOL_ERROR;
1208 if ( ctrl->ldctl_value.bv_len ) {
1209 rs->sr_text = "permissiveModify control value not empty";
1210 return LDAP_PROTOCOL_ERROR;
1213 op->o_permissive_modify = ctrl->ldctl_iscritical
1214 ? SLAP_CRITICAL_CONTROL
1215 : SLAP_NONCRITICAL_CONTROL;
1217 return LDAP_SUCCESS;
1221 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1222 static int parseDomainScope (
1227 if ( op->o_domain_scope != SLAP_NO_CONTROL ) {
1228 rs->sr_text = "domainScope control specified multiple times";
1229 return LDAP_PROTOCOL_ERROR;
1232 if ( ctrl->ldctl_value.bv_len ) {
1233 rs->sr_text = "domainScope control value not empty";
1234 return LDAP_PROTOCOL_ERROR;
1237 op->o_domain_scope = ctrl->ldctl_iscritical
1238 ? SLAP_CRITICAL_CONTROL
1239 : SLAP_NONCRITICAL_CONTROL;
1241 return LDAP_SUCCESS;
1245 static int parseLDAPsync (
1254 struct slap_session_entry *se;
1256 if ( op->o_sync != SLAP_NO_CONTROL ) {
1257 rs->sr_text = "LDAP Sync control specified multiple times";
1258 return LDAP_PROTOCOL_ERROR;
1261 if ( ctrl->ldctl_value.bv_len == 0 ) {
1262 rs->sr_text = "LDAP Sync control value is empty (or absent)";
1263 return LDAP_PROTOCOL_ERROR;
1266 /* Parse the control value
1267 * syncRequestValue ::= SEQUENCE {
1272 * refreshAndPersist (3)
1274 * cookie syncCookie OPTIONAL
1278 ber = ber_init( &ctrl->ldctl_value );
1280 rs->sr_text = "internal error";
1284 if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
1285 rs->sr_text = "LDAP Sync control : mode decoding error";
1286 return LDAP_PROTOCOL_ERROR;
1290 case LDAP_SYNC_REFRESH_ONLY:
1291 mode = SLAP_SYNC_REFRESH;
1293 case LDAP_SYNC_REFRESH_AND_PERSIST:
1294 mode = SLAP_SYNC_REFRESH_AND_PERSIST;
1297 rs->sr_text = "LDAP Sync control : unknown update mode";
1298 return LDAP_PROTOCOL_ERROR;
1301 tag = ber_peek_tag( ber, &len );
1303 if ( tag == LDAP_TAG_SYNC_COOKIE ) {
1304 struct berval tmp_bv;
1305 if (( ber_scanf( ber, /*{*/ "o", &tmp_bv )) == LBER_ERROR ) {
1306 rs->sr_text = "LDAP Sync control : cookie decoding error";
1307 return LDAP_PROTOCOL_ERROR;
1309 ber_bvarray_add( &op->o_sync_state.octet_str, &tmp_bv );
1310 slap_parse_sync_cookie( &op->o_sync_state );
1312 if ( tag == LDAP_TAG_RELOAD_HINT ) {
1313 if (( ber_scanf( ber, /*{*/ "b", &op->o_sync_rhint )) == LBER_ERROR ) {
1314 rs->sr_text = "LDAP Sync control : rhint decoding error";
1315 return LDAP_PROTOCOL_ERROR;
1318 if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
1319 rs->sr_text = "LDAP Sync control : decoding error";
1320 return LDAP_PROTOCOL_ERROR;
1323 (void) ber_free( ber, 1 );
1325 op->o_sync_mode = (char) mode;
1327 op->o_sync = ctrl->ldctl_iscritical
1328 ? SLAP_CRITICAL_CONTROL
1329 : SLAP_NONCRITICAL_CONTROL;
1331 return LDAP_SUCCESS;