X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fcontrols.c;h=27fe43f1c6161453fbaa8d452283f29f7b05a917;hb=3eb87b2faae4b9f59f1270936f70a1781c2abd7a;hp=dccb75fbfbf06c199fc562ecf2ab9e51d554ab9b;hpb=6bbca5e3684f6fe538e5fdfb51c1ae36eccc4d58;p=openldap
diff --git a/servers/slapd/controls.c b/servers/slapd/controls.c
index dccb75fbfb..27fe43f1c6 100644
--- a/servers/slapd/controls.c
+++ b/servers/slapd/controls.c
@@ -1,7 +1,7 @@
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
- * 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
@@ -32,16 +32,15 @@ static SLAP_CTRL_PARSE_FN parseManageDSAit;
static SLAP_CTRL_PARSE_FN parseModifyIncrement;
static SLAP_CTRL_PARSE_FN parseNoOp;
static SLAP_CTRL_PARSE_FN parsePagedResults;
+#ifdef LDAP_DEVEL
+static SLAP_CTRL_PARSE_FN parseSortedResults;
+#endif
static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
static SLAP_CTRL_PARSE_FN parsePermissiveModify;
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 */
@@ -75,8 +74,19 @@ static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
/*
* all known request control OIDs should be added to this list
*/
+/*
+ * 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;
+static int num_known_controls = 1;
static char *proxy_authz_extops[] = {
LDAP_EXOP_MODIFY_PASSWD,
@@ -99,16 +109,22 @@ static struct slap_control control_defs[] = {
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),
SLAP_CTRL_SEARCH, NULL,
parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#ifdef LDAP_DEVEL
+ { LDAP_CONTROL_SORTREQUEST,
+ (int)offsetof(struct slap_control_ids, sc_sortedResults),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH|SLAP_CTRL_HIDE, NULL,
+ parseSortedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
#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
@@ -117,16 +133,16 @@ static struct slap_control control_defs[] = {
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
@@ -139,10 +155,6 @@ static struct slap_control control_defs[] = {
(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),
@@ -155,7 +167,7 @@ static struct slap_control control_defs[] = {
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) }
};
@@ -174,6 +186,7 @@ register_supported_control(const char *controloid,
int *controlcid)
{
struct slap_control *sc;
+ int i;
if ( num_known_controls >= SLAP_MAX_CIDS ) {
Debug( LDAP_DEBUG_ANY, "Too many controls registered."
@@ -184,6 +197,16 @@ register_supported_control(const char *controloid,
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;
@@ -204,8 +227,8 @@ register_supported_control(const char *controloid,
sc->sc_cid = num_known_controls;
/* Update slap_known_controls, too. */
- slap_known_controls[num_known_controls++] = sc->sc_oid;
- slap_known_controls[num_known_controls] = NULL;
+ 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 );
@@ -353,6 +376,48 @@ find_ctrl( const char *oid )
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 )
@@ -585,17 +650,6 @@ int get_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;
@@ -701,19 +755,17 @@ static int parseProxyAuthz (
ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
0 );
- if( ctrl->ldctl_value.bv_len == 0 ) {
+ if ( ctrl->ldctl_value.bv_len == 0 ) {
Debug( LDAP_DEBUG_TRACE,
"parseProxyAuthz: conn=%lu anonymous\n",
op->o_connid, 0, 0 );
/* anonymous */
- free( op->o_dn.bv_val );
- op->o_dn.bv_len = 0;
- op->o_dn.bv_val = ch_strdup( "" );
-
- free( op->o_ndn.bv_val );
+ op->o_ndn.bv_val[ 0 ] = '\0';
op->o_ndn.bv_len = 0;
- op->o_ndn.bv_val = ch_strdup( "" );
+
+ op->o_dn.bv_val[ 0 ] = '\0';
+ op->o_dn.bv_len = 0;
return LDAP_SUCCESS;
}
@@ -737,27 +789,26 @@ static int parseProxyAuthz (
rc = slap_sasl_authorized( op, &op->o_ndn, &dn );
- if( rc ) {
+ if ( rc ) {
ch_free( dn.bv_val );
rs->sr_text = "not authorized to assume identity";
return LDAP_PROXY_AUTHZ_FAILURE;
}
- ch_free( op->o_dn.bv_val );
ch_free( op->o_ndn.bv_val );
-
- op->o_dn.bv_val = NULL;
- op->o_ndn = dn;
-
- Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
- op->o_log_prefix, dn.bv_val, 0, 0, 0 );
+ ch_free( op->o_dn.bv_val );
/*
* NOTE: since slap_sasl_getdn() returns a normalized dn,
* from now on op->o_dn is normalized
*/
+ op->o_ndn = dn;
ber_dupbv( &op->o_dn, &dn );
+
+ Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
+ op->o_log_prefix, dn.bv_val, 0, 0, 0 );
+
return LDAP_SUCCESS;
}
@@ -800,11 +851,6 @@ static int parsePagedResults (
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;
@@ -910,6 +956,34 @@ done:;
return rc;
}
+#ifdef LDAP_DEVEL
+static int parseSortedResults (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ int rc = LDAP_SUCCESS;
+
+ if ( op->o_sortedresults != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "sorted results control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "sorted results control value is empty (or absent)";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* blow off parsing the value */
+
+ op->o_sortedresults = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return rc;
+}
+#endif
+
static int parseAssert (
Operation *op,
SlapReply *rs,
@@ -1008,7 +1082,9 @@ static int parsePreRead (
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;
}
}
@@ -1064,7 +1140,9 @@ static int parsePostRead (
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;
}
}
@@ -1147,8 +1225,8 @@ static int parseSubentries (
/* FIXME: should use BER library */
if( ( ctrl->ldctl_value.bv_len != 3 )
- && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
- && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
+ || ( ctrl->ldctl_value.bv_val[0] != 0x01 )
+ || ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
{
rs->sr_text = "subentries control value encoding is bogus";
return LDAP_PROTOCOL_ERROR;
@@ -1158,8 +1236,9 @@ static int parseSubentries (
? SLAP_CONTROL_CRITICAL
: SLAP_CONTROL_NONCRITICAL;
- if ( (void *)(ctrl->ldctl_value.bv_val[2] != 0x00))
+ if ( (void *)(ctrl->ldctl_value.bv_val[2] != 0x00)) {
set_subentries_visibility( op );
+ }
return LDAP_SUCCESS;
}
@@ -1277,7 +1356,10 @@ static int parseSearchOptions (
}
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;
}
@@ -1286,97 +1368,3 @@ static int parseSearchOptions (
}
#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;
-}