s4-dsdb: added new control DSDB_MODIFY_PARTIAL_REPLICA
[nivanova/samba-autobuild/.git] / source4 / dsdb / common / util.c
index cf28f1dd01238e9a08e2dd88cecbf519eb9a2492..3a55a553068026cc4498f58e1d25c9c8c2e60850 100644 (file)
@@ -3751,6 +3751,13 @@ int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
                }
        }
 
+       if (dsdb_flags & DSDB_MODIFY_PARTIAL_REPLICA) {
+               ret = ldb_request_add_control(req, DSDB_CONTROL_PARTIAL_REPLICA, false, NULL);
+               if (ret != LDB_SUCCESS) {
+                       return ret;
+               }
+       }
+
        return LDB_SUCCESS;
 }
 
@@ -4467,3 +4474,62 @@ NTSTATUS dsdb_ldb_err_to_ntstatus(int err)
        }
        return NT_STATUS_UNSUCCESSFUL;
 }
+
+
+/*
+  create a new naming context that will hold a partial replica
+ */
+int dsdb_create_partial_replica_NC(struct ldb_context *ldb,  struct ldb_dn *dn)
+{
+       TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+       struct ldb_message *msg;
+       int ret;
+
+       msg = ldb_msg_new(tmp_ctx);
+       if (msg == NULL) {
+               talloc_free(tmp_ctx);
+               return ldb_oom(ldb);
+       }
+
+       msg->dn = dn;
+       ret = ldb_msg_add_string(msg, "objectClass", "top");
+       if (ret != LDB_SUCCESS) {
+               talloc_free(tmp_ctx);
+               return ldb_oom(ldb);
+       }
+
+       /* [MS-DRSR] implies that we should only add the 'top'
+        * objectclass, but that would cause lots of problems with our
+        * objectclass code as top is not structural, so we add
+        * 'domainDNS' as well to keep things sane. We're expecting
+        * this new NC to be of objectclass domainDNS after
+        * replication anyway
+        */
+       ret = ldb_msg_add_string(msg, "objectClass", "domainDNS");
+       if (ret != LDB_SUCCESS) {
+               talloc_free(tmp_ctx);
+               return ldb_oom(ldb);
+       }
+
+       ret = ldb_msg_add_fmt(msg, "instanceType", "%u",
+                             INSTANCE_TYPE_IS_NC_HEAD|
+                             INSTANCE_TYPE_NC_ABOVE|
+                             INSTANCE_TYPE_UNINSTANT);
+       if (ret != LDB_SUCCESS) {
+               talloc_free(tmp_ctx);
+               return ldb_oom(ldb);
+       }
+
+       ret = dsdb_add(ldb, msg, DSDB_MODIFY_PARTIAL_REPLICA);
+       if (ret != LDB_SUCCESS) {
+               DEBUG(0,("Failed to create new NC for %s - %s\n",
+                        ldb_dn_get_linearized(dn), ldb_errstring(ldb)));
+               talloc_free(tmp_ctx);
+               return ret;
+       }
+
+       DEBUG(1,("Created new NC for %s\n", ldb_dn_get_linearized(dn)));
+
+       talloc_free(tmp_ctx);
+       return LDB_SUCCESS;
+}