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/* 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)
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