Adding upstream version 5.6.0.upstream/5.6.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/lib/cookies/control.h b/lib/cookies/control.h
new file mode 100644
index 0000000..475b3fd
--- /dev/null
+++ b/lib/cookies/control.h
@@ -0,0 +1,37 @@
+/*  Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
+ *  SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "lib/defines.h"
+
+/** Holds secret quantity. */
+struct kr_cookie_secret {
+	size_t size; /*!< Secret quantity size. */
+	uint8_t data[]; /*!< Secret quantity data. */
+};
+
+/** Holds settings that have direct influence on cookie values computation. */
+struct kr_cookie_comp {
+	struct kr_cookie_secret *secr; /*!< Secret data. */
+	int alg_id; /*!< Cookie algorithm identifier. */
+};
+
+/** Holds settings that control client/server cookie behaviour. */
+struct kr_cookie_settings {
+	bool enabled; /**< Enable/disables DNS cookies functionality. */
+
+	struct kr_cookie_comp current; /**< Current cookie settings. */
+	struct kr_cookie_comp recent; /**< Recent cookie settings. */
+};
+
+/** DNS cookies controlling structure. */
+struct kr_cookie_ctx {
+	struct kr_cookie_settings clnt; /**< Client settings. */
+	struct kr_cookie_settings srvr; /**< Server settings. */
+};