1 files changed, 57 insertions, 0 deletions
diff --git a/src/knot/updates/acl.h b/src/knot/updates/acl.h
new file mode 100644
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--- /dev/null
+++ b/src/knot/updates/acl.h
@@ -0,0 +1,57 @@
+/*  Copyright (C) 2016 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/*!
+ * \file
+ *
+ * Access control list.
+ *
+ * \addtogroup server
+ * @{
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <sys/socket.h>
+
+#include "libknot/tsig.h"
+#include "knot/conf/conf.h"
+
+/*! \brief ACL actions. */
+typedef enum {
+	ACL_ACTION_NONE     = 0,
+	ACL_ACTION_NOTIFY   = 1,
+	ACL_ACTION_TRANSFER = 2,
+	ACL_ACTION_UPDATE   = 3
+} acl_action_t;
+
+/*!
+ * \brief Checks if the address and/or tsig key matches given ACL list.
+ *
+ * If a proper ACL rule is found and tsig.name is not empty, tsig.secret is filled.
+ *
+ * \param conf    Configuration.
+ * \param acl     Pointer to ACL config multivalued identifier.
+ * \param action  ACL action.
+ * \param addr    IP address.
+ * \param tsig    TSIG parameters.
+ *
+ * \retval True if authenticated.
+ */
+bool acl_allowed(conf_t *conf, conf_val_t *acl, acl_action_t action,
+                 const struct sockaddr_storage *addr, knot_tsig_key_t *tsig);
+
+/*! @} */