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/*
* ngtcp2
*
* Copyright (c) 2023 ngtcp2 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "tls_shared_picotls.h"
#include <cstdio>
#include <cstdarg>
#include <fstream>
extern std::ofstream keylog_file;
namespace {
void log_event_cb(ptls_log_event_t *self, ptls_t *ptls, const char *type,
const char *fmt, ...) {
char buf[128];
va_list ap;
va_start(ap, fmt);
auto len = vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
if (len < 0 || static_cast<size_t>(len) >= sizeof(buf)) {
return;
}
char randhex[PTLS_HELLO_RANDOM_SIZE * 2 + 1];
ptls_hexdump(randhex, ptls_get_client_random(ptls).base,
PTLS_HELLO_RANDOM_SIZE);
keylog_file << type << ' ' << randhex << ' ';
keylog_file.write(buf, len);
keylog_file << '\n';
keylog_file.flush();
}
} // namespace
ptls_log_event_t log_event = {log_event_cb};
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