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-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c54
1 files changed, 53 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index ce17eecaf0..f35a56a5f5 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -899,6 +899,16 @@ static int samldb_objectclass_trigger(struct samldb_ctx *ac)
group_type = strtoul((const char *)el->values[0].data,
NULL, 0);
+
+ /* The creation of builtin groups requires the
+ * RELAX control */
+ if (group_type == GTYPE_SECURITY_BUILTIN_LOCAL_GROUP) {
+ if (ldb_request_get_control(ac->req,
+ LDB_CONTROL_RELAX_OID) == NULL) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ }
+
account_type = ds_gtype2atype(group_type);
if (account_type == 0) {
ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
@@ -1288,11 +1298,53 @@ static int samldb_modify(struct ldb_module *module, struct ldb_request *req)
el = ldb_msg_find_element(ac->msg, "groupType");
if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
- uint32_t group_type;
+ uint32_t group_type, old_group_type;
modified = true;
group_type = strtoul((const char *)el->values[0].data, NULL, 0);
+ old_group_type = samdb_search_uint(ldb, ac, 0, ac->msg->dn,
+ "groupType", NULL);
+ if (old_group_type == 0) {
+ return ldb_operr(ldb);
+ }
+
+ /* Group type switching isn't so easy as it seems: We can only
+ * change in this directions: global <-> universal <-> local
+ * On each step also the group type itself
+ * (security/distribution) is variable. */
+
+ switch (group_type) {
+ case GTYPE_SECURITY_GLOBAL_GROUP:
+ case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_UNIVERSAL_GROUP:
+ case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
+ /* each change allowed */
+ break;
+
+ case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
+ case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
+ default:
+ /* we don't allow this "groupType" values */
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ break;
+ }
+
account_type = ds_gtype2atype(group_type);
ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
"sAMAccountType",