/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
static SLAP_CTRL_PARSE_FN parseDomainScope;
static SLAP_CTRL_PARSE_FN parseTreeDelete;
static SLAP_CTRL_PARSE_FN parseSearchOptions;
-
-#ifdef LDAP_CONTROL_SUBENTRIES
static SLAP_CTRL_PARSE_FN parseSubentries;
-#endif
-static SLAP_CTRL_PARSE_FN parseLDAPsync;
#undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
/*
* all known request control OIDs should be added to this list
*/
-char **slap_known_controls = NULL;
-static int num_known_controls;
+/*
+ * NOTE: initialize num_known_controls to 1 so that cid = 0 always
+ * addresses an undefined control; this allows to safely test for
+ * well known controls even if they are not registered, e.g. if
+ * they get moved to modules. An example is sc_LDAPsync, which
+ * is implemented in the syncprov overlay and thus, if configured
+ * as dynamic module, may not be registered. One side effect is that
+ * slap_known_controls[0] == NULL, so it should always be used
+ * starting from 1.
+ * FIXME: should we define the "undefined control" oid?
+ */
+char *slap_known_controls[SLAP_MAX_CIDS+1];
+static int num_known_controls = 1;
static char *proxy_authz_extops[] = {
LDAP_EXOP_MODIFY_PASSWD,
parsePostRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
{ LDAP_CONTROL_VALUESRETURNFILTER,
(int)offsetof(struct slap_control_ids, sc_valuesReturnFilter),
- SLAP_CTRL_SEARCH, NULL,
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL,
parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
{ LDAP_CONTROL_PAGEDRESULTS,
(int)offsetof(struct slap_control_ids, sc_pagedResults),
#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
{ LDAP_CONTROL_X_DOMAIN_SCOPE,
(int)offsetof(struct slap_control_ids, sc_domainScope),
- SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL,
parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
#endif
#ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
SLAP_CTRL_MODIFY, NULL,
parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
#endif
-#ifdef LDAP_CONTROL_X_TREE_DELETE
+#ifdef SLAP_CONTROL_X_TREE_DELETE
{ LDAP_CONTROL_X_TREE_DELETE,
(int)offsetof(struct slap_control_ids, sc_treeDelete),
- SLAP_CTRL_DELETE, NULL,
+ SLAP_CTRL_HIDE|SLAP_CTRL_DELETE, NULL,
parseTreeDelete, LDAP_SLIST_ENTRY_INITIALIZER(next) },
#endif
#ifdef LDAP_CONTORL_X_SEARCH_OPTIONS
{ LDAP_CONTORL_X_SEARCH_OPTIONS,
(int)offsetof(struct slap_control_ids, sc_searchOptions),
- SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL,
parseSearchOptions, LDAP_SLIST_ENTRY_INITIALIZER(next) },
#endif
#ifdef LDAP_CONTROL_SUBENTRIES
(int)offsetof(struct slap_control_ids, sc_noOp),
SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL,
parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
- { LDAP_CONTROL_SYNC,
- (int)offsetof(struct slap_control_ids, sc_LDAPsync),
- SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
- parseLDAPsync, LDAP_SLIST_ENTRY_INITIALIZER(next) },
#ifdef LDAP_CONTROL_MODIFY_INCREMENT
{ LDAP_CONTROL_MODIFY_INCREMENT,
(int)offsetof(struct slap_control_ids, sc_modifyIncrement),
parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
{ LDAP_CONTROL_PROXY_AUTHZ,
(int)offsetof(struct slap_control_ids, sc_proxyAuthz),
- SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops,
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS, proxy_authz_extops,
parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
{ NULL, 0, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
};
int *controlcid)
{
struct slap_control *sc;
+ int i;
+
+ if ( num_known_controls >= SLAP_MAX_CIDS ) {
+ Debug( LDAP_DEBUG_ANY, "Too many controls registered."
+ " Recompile slapd with SLAP_MAX_CIDS defined > %d\n",
+ SLAP_MAX_CIDS, 0, 0 );
+ return LDAP_OTHER;
+ }
if ( controloid == NULL ) return LDAP_PARAM_ERROR;
+ /* sanity check - should never happen */
+ for ( i = 0; slap_known_controls[ i ]; i++ ) {
+ if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "Control %s already registered.\n",
+ controloid, 0, 0 );
+ return LDAP_PARAM_ERROR;
+ }
+ }
+
sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
if ( sc == NULL ) return LDAP_NO_MEMORY;
}
sc->sc_parse = controlparsefn;
- /* Update slap_known_controls, too. */
- if ( slap_known_controls == NULL ) {
- slap_known_controls = (char **)SLAP_MALLOC( 2 * sizeof(char *) );
- if ( slap_known_controls == NULL ) {
- if ( sc->sc_extendedops != NULL ) {
- ldap_charray_free( sc->sc_extendedops );
- }
- ch_free( sc );
- return LDAP_NO_MEMORY;
- }
-
- } else {
- char **new_known_controls;
-
- new_known_controls = (char **)SLAP_REALLOC(
- slap_known_controls, (num_known_controls + 2) * sizeof(char *) );
-
- if ( new_known_controls == NULL ) {
- if ( sc->sc_extendedops != NULL ) {
- ldap_charray_free( sc->sc_extendedops );
- }
- ch_free( sc );
- return LDAP_NO_MEMORY;
- }
- slap_known_controls = new_known_controls;
- }
if ( controlcid ) *controlcid = num_known_controls;
sc->sc_cid = num_known_controls;
- slap_known_controls[num_known_controls++] = ch_strdup( sc->sc_oid );
- slap_known_controls[num_known_controls] = NULL;
+
+ /* Update slap_known_controls, too. */
+ slap_known_controls[num_known_controls-1] = sc->sc_oid;
+ slap_known_controls[num_known_controls++] = NULL;
LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
}
ch_free( sc );
}
- ldap_charray_free( slap_known_controls );
}
/*
return NULL;
}
+int
+slap_find_control_id(
+ const char *oid,
+ int *cid )
+{
+ struct slap_control *ctrl = find_ctrl( oid );
+ if ( ctrl ) {
+ if ( cid ) *cid = ctrl->sc_cid;
+ return LDAP_SUCCESS;
+ }
+ return LDAP_CONTROL_NOT_FOUND;
+}
+
+int
+slap_global_control( Operation *op, const char *oid, int *cid )
+{
+ struct slap_control *ctrl = find_ctrl( oid );
+
+ if ( ctrl == NULL ) {
+ /* should not be reachable */
+ Debug( LDAP_DEBUG_ANY,
+ "slap_global_control: unrecognized control: %s\n",
+ oid, 0, 0 );
+ return LDAP_CONTROL_NOT_FOUND;
+ }
+
+ if ( cid ) *cid = ctrl->sc_cid;
+
+ if ( ( ctrl->sc_mask & SLAP_CTRL_GLOBAL ) ||
+ ( ( op->o_tag & LDAP_REQ_SEARCH ) &&
+ ( ctrl->sc_mask & SLAP_CTRL_GLOBAL_SEARCH ) ) )
+ {
+ return LDAP_COMPARE_TRUE;
+ }
+
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_global_control: unavailable control: %s\n",
+ oid, 0, 0 );
+
+ return LDAP_COMPARE_FALSE;
+}
+
void slap_free_ctrls(
Operation *op,
LDAPControl **ctrls )
goto return_results;
}
- if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
- /* kludge to disable backend_control() check */
- c->ldctl_iscritical = 0;
-
- } else if ( tagmask == SLAP_CTRL_SEARCH &&
- sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
- {
- /* kludge to disable backend_control() check */
- c->ldctl_iscritical = 0;
- }
-
} else if( c->ldctl_iscritical ) {
/* unavailable CRITICAL control */
rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
return LDAP_PROTOCOL_ERROR;
}
- if ( op->o_sync != SLAP_CONTROL_NONE ) {
- rs->sr_text = "paged results control specified with sync control";
- return LDAP_PROTOCOL_ERROR;
- }
-
if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
rs->sr_text = "paged results control value is empty (or absent)";
return LDAP_PROTOCOL_ERROR;
an[i].an_oc_exclude = 0;
rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
- rs->sr_text = dummy ? dummy : "postread control: unknown attributeType";
+ rs->sr_text = dummy
+ ? dummy
+ : "postread control: unknown attributeType";
return rc;
}
}
an[i].an_oc_exclude = 0;
rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
if ( rc != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
- rs->sr_text = dummy ? dummy : "postread control: unknown attributeType";
+ rs->sr_text = dummy
+ ? dummy
+ : "postread control: unknown attributeType";
return rc;
}
}
}
if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) {
- /* Other search flags not recognised so far */
+ /* Other search flags not recognised so far,
+ * including:
+ * LDAP_SEARCH_FLAG_PHANTOM_ROOM
+ */
rs->sr_text = "searchOptions contained unrecongized flag";
return LDAP_UNWILLING_TO_PERFORM;
}
}
#endif
-static int parseLDAPsync (
- Operation *op,
- SlapReply *rs,
- LDAPControl *ctrl )
-{
- ber_tag_t tag;
- BerElement *ber;
- ber_int_t mode;
- ber_len_t len;
- struct slap_session_entry *se;
-
- if ( op->o_sync != SLAP_CONTROL_NONE ) {
- rs->sr_text = "Sync control specified multiple times";
- return LDAP_PROTOCOL_ERROR;
- }
-
- if ( op->o_pagedresults != SLAP_CONTROL_NONE ) {
- rs->sr_text = "Sync control specified with pagedResults control";
- return LDAP_PROTOCOL_ERROR;
- }
-
-
- if ( ctrl->ldctl_value.bv_len == 0 ) {
- rs->sr_text = "Sync control value is empty (or absent)";
- return LDAP_PROTOCOL_ERROR;
- }
-
- /* Parse the control value
- * syncRequestValue ::= SEQUENCE {
- * mode ENUMERATED {
- * -- 0 unused
- * refreshOnly (1),
- * -- 2 reserved
- * refreshAndPersist (3)
- * },
- * cookie syncCookie OPTIONAL
- * }
- */
-
- ber = ber_init( &ctrl->ldctl_value );
- if( ber == NULL ) {
- rs->sr_text = "internal error";
- return LDAP_OTHER;
- }
-
- if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
- rs->sr_text = "Sync control : mode decoding error";
- return LDAP_PROTOCOL_ERROR;
- }
-
- switch( mode ) {
- case LDAP_SYNC_REFRESH_ONLY:
- mode = SLAP_SYNC_REFRESH;
- break;
- case LDAP_SYNC_REFRESH_AND_PERSIST:
- mode = SLAP_SYNC_REFRESH_AND_PERSIST;
- break;
- default:
- rs->sr_text = "Sync control : unknown update mode";
- return LDAP_PROTOCOL_ERROR;
- }
-
- tag = ber_peek_tag( ber, &len );
-
- if ( tag == LDAP_TAG_SYNC_COOKIE ) {
- struct berval tmp_bv;
- if (( ber_scanf( ber, /*{*/ "o", &tmp_bv )) == LBER_ERROR ) {
- rs->sr_text = "Sync control : cookie decoding error";
- return LDAP_PROTOCOL_ERROR;
- }
- ber_bvarray_add( &op->o_sync_state.octet_str, &tmp_bv );
- slap_parse_sync_cookie( &op->o_sync_state );
- }
- if ( tag == LDAP_TAG_RELOAD_HINT ) {
- if (( ber_scanf( ber, /*{*/ "b", &op->o_sync_rhint )) == LBER_ERROR ) {
- rs->sr_text = "Sync control : rhint decoding error";
- return LDAP_PROTOCOL_ERROR;
- }
- }
- if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
- rs->sr_text = "Sync control : decoding error";
- return LDAP_PROTOCOL_ERROR;
- }
-
- (void) ber_free( ber, 1 );
-
- op->o_sync_mode = (char) mode;
-
- op->o_sync = ctrl->ldctl_iscritical
- ? SLAP_CONTROL_CRITICAL
- : SLAP_CONTROL_NONCRITICAL;
-
- return LDAP_SUCCESS;
-}