Adding upstream version 3.2.1.upstream/3.2.1upstream

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

1 files changed, 100 insertions, 0 deletions

diff --git a/modules/cookies/cookies.c b/modules/cookies/cookies.c
new file mode 100644
index 0000000..6a1db4f
--- /dev/null
+++ b/modules/cookies/cookies.c
@@ -0,0 +1,100 @@
+/*  Copyright (C) 2016-2017 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+
+#include "daemon/engine.h"
+#include "lib/layer.h"
+#include "modules/cookies/cookiectl.h"
+#include "modules/cookies/cookiemonster.h"
+
+/**
+ * Get/set DNS cookie related stuff.
+ *
+ * Input: { name: value, ... }
+ * Output: current configuration
+ */
+static char *cookies_config(void *env, struct kr_module *module,
+                            const char *args)
+{
+	struct kr_cookie_ctx *cookie_ctx = module->data;
+	assert(cookie_ctx);
+
+	/* Apply configuration, if any. */
+	config_apply(cookie_ctx, args);
+
+	/* Return current configuration. */
+	return config_read(cookie_ctx);
+}
+
+/*
+ * Module implementation.
+ */
+
+KR_EXPORT
+int cookies_init(struct kr_module *module)
+{
+	struct engine *engine = module->data;
+
+	struct kr_cookie_ctx *cookie_ctx = &engine->resolver.cookie_ctx;
+
+	int ret = config_init(cookie_ctx);
+	if (ret != kr_ok()) {
+		return ret;
+	}
+
+	/* Replace engine pointer. */
+	module->data = cookie_ctx;
+
+	return kr_ok();
+}
+
+KR_EXPORT
+int cookies_deinit(struct kr_module *module)
+{
+	struct kr_cookie_ctx *cookie_ctx = module->data;
+
+	config_deinit(cookie_ctx);
+
+	return kr_ok();
+}
+
+KR_EXPORT
+const kr_layer_api_t *cookies_layer(struct kr_module *module)
+{
+	/* The function answer_finalize() in resolver is called before any
+	 * .finish callback. Therefore this layer does not use it. */
+
+	static kr_layer_api_t _layer = {
+		.begin = &check_request,
+		.consume = &check_response
+	};
+	/* Store module reference */
+	_layer.data = module;
+	return &_layer;
+}
+
+KR_EXPORT
+struct kr_prop *cookies_props(void)
+{
+	static struct kr_prop prop_list[] = {
+	    { &cookies_config, "config", "Empty value to return current configuration.", },
+	    { NULL, NULL, NULL }
+	};
+	return prop_list;
+}
+
+KR_MODULE_EXPORT(cookies)