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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:26:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:26:00 +0000
commit830407e88f9d40d954356c3754f2647f91d5c06a (patch)
treed6a0ece6feea91f3c656166dbaa884ef8a29740e /modules/cookies/cookies.c
parentInitial commit. (diff)
downloadknot-resolver-830407e88f9d40d954356c3754f2647f91d5c06a.tar.xz
knot-resolver-830407e88f9d40d954356c3754f2647f91d5c06a.zip
Adding upstream version 5.6.0.upstream/5.6.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/cookies/cookies.c')
-rw-r--r--modules/cookies/cookies.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/modules/cookies/cookies.c b/modules/cookies/cookies.c
new file mode 100644
index 0000000..5b688d3
--- /dev/null
+++ b/modules/cookies/cookies.c
@@ -0,0 +1,78 @@
+/* Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#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;
+ if (kr_fails_assert(cookie_ctx))
+ return NULL;
+
+ /* 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)
+{
+ /* 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;
+ module->layer = &layer;
+
+ static const struct kr_prop props[] = {
+ { &cookies_config, "config", "Empty value to return current configuration.", },
+ { NULL, NULL, NULL }
+ };
+ module->props = props;
+
+ 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_MODULE_EXPORT(cookies)