Add check_tls.
GitOrigin-RevId: 6465c7c6ae7b3279415e652bbe366864a23908f3
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levlam
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9289b61b92
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c19139aedc
@ -40,6 +40,9 @@ target_link_libraries(bench_tddb PRIVATE tdcore tddb tdutils)
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add_executable(bench_misc bench_misc.cpp)
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target_link_libraries(bench_misc PRIVATE tdcore tdutils)
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add_executable(check_tls check_tls.cpp)
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target_link_libraries(check_tls PRIVATE tdutils)
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add_executable(rmdir rmdir.cpp)
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target_link_libraries(rmdir PRIVATE tdutils)
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207
benchmark/check_tls.cpp
Normal file
207
benchmark/check_tls.cpp
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@ -0,0 +1,207 @@
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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/common.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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#include "td/utils/port/detail/Iocp.h"
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#include "td/utils/port/IPAddress.h"
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#include "td/utils/port/sleep.h"
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#include "td/utils/port/SocketFd.h"
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#include "td/utils/port/thread.h"
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#include "td/utils/Random.h"
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#include "td/utils/Status.h"
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#include "td/utils/Time.h"
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td::Status test_tls(const td::string &url) {
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td::IPAddress address;
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TRY_STATUS(address.init_host_port(url, 443));
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TRY_RESULT(socket, td::SocketFd::open(address));
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td::string request;
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auto add_string = [&](td::Slice data) { request.append(data.data(), data.size()); };
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auto add_random = [&](size_t length) {
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while (length-- > 0) {
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request += static_cast<char>(td::Random::secure_int32());
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}
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};
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auto add_length = [&](size_t length) {
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request += static_cast<char>(length / 256);
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request += static_cast<char>(length % 256);
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};
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const size_t MAX_GREASE = 7;
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char greases[MAX_GREASE];
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td::Random::secure_bytes(td::MutableSlice{greases, MAX_GREASE});
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for (size_t i = 0; i < MAX_GREASE; i++) {
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greases[i] = static_cast<char>((greases[i] & 0xF0) + 0x0A);
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}
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for (size_t i = 1; i < MAX_GREASE; i += 2) {
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if (greases[i] == greases[i - 1]) {
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greases[i] = static_cast<char>(0x10 ^ greases[i]);
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}
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}
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auto add_grease = [&](size_t num) {
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auto c = greases[num];
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request += c;
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request += c;
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};
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add_string("\x16\x03\x01\x02\x00\x01\x00\x01\xfc\x03\x03");
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add_random(32);
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add_string("\x20");
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add_random(32);
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add_string("\x00\x22");
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add_grease(0);
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add_string(
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"\x13\x01\x13\x02\x13\x03\xc0\x2b\xc0\x2f\xc0\x2c\xc0\x30\xcc\xa9\xcc\xa8\xc0\x13\xc0\x14\x00\x9c\x00\x9d\x00"
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"\x2f\x00\x35\x00\x0a\x01\x00\x01\x91");
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add_grease(2);
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add_string("\x00\x00\x00\x00");
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add_length(url.size() + 5);
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add_length(url.size() + 3);
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add_string("\x00");
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add_length(url.size());
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add_string(url);
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add_string("\x00\x17\x00\x00\xff\x01\x00\x01\x00\x00\x0a\x00\x0a\x00\x08");
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add_grease(4);
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add_string(
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"\x00\x1d\x00\x17\x00\x18\x00\x0b\x00\x02\x01\x00\x00\x23\x00\x00\x00\x10\x00\x0e\x00\x0c\x02\x68\x32\x08\x68"
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"\x74\x74\x70\x2f\x31\x2e\x31\x00\x05\x00\x05\x01\x00\x00\x00\x00\x00\x0d\x00\x14\x00\x12\x04\x03\x08\x04\x04"
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"\x01\x05\x03\x08\x05\x05\x01\x08\x06\x06\x01\x02\x01\x00\x12\x00\x00\x00\x33\x00\x2b\x00\x29");
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add_grease(4);
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add_string("\x00\x01\x00\x00\x1d\x00\x20");
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add_random(32);
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add_string("\x00\x2d\x00\x02\x01\x01\x00\x2b\x00\x0b\x0a");
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add_grease(6);
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add_string("\x03\x04\x03\x03\x03\x02\x03\x01\x00\x1b\x00\x03\x02\x00\x02");
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add_grease(3);
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add_string("\x00\x01\x00\x00\x15");
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auto padding = 515 - static_cast<int>(request.size());
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CHECK(padding >= 0);
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add_length(padding);
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request.resize(517);
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// LOG(ERROR) << td::format::as_hex_dump<0>(td::Slice(request));
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socket.write(request);
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auto end_time = td::Time::now() + 3;
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td::string result;
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size_t pos = 0;
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size_t server_hello_length = 0;
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size_t encrypted_application_data_length = 0;
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while (td::Time::now() < end_time) {
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char buf[1];
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TRY_RESULT(res, socket.read(td::MutableSlice{buf, sizeof(buf)}));
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if (res > 0) {
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auto read_length = [&] {
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CHECK(result.size() >= 2 + pos);
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pos += 2;
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return static_cast<unsigned char>(result[pos - 2]) * 256 + static_cast<unsigned char>(result[pos - 1]);
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};
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result += td::Slice(buf, res).str();
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while (true) {
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#define CHECK_LENGTH(length) \
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if (pos + (length) > result.size()) { \
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break; \
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}
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#define EXPECT_STR(pos, str, error) \
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if (!begins_with(td::Slice(result).substr(pos), str)) { \
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return td::Status::Error(error); \
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}
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if (pos == 0) {
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CHECK_LENGTH(3);
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EXPECT_STR(0, "\x16\x03\x03", "Non-TLS response or TLS <= 1.1");
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pos += 3;
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}
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if (pos == 3) {
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CHECK_LENGTH(2);
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server_hello_length = read_length();
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if (server_hello_length <= 39) {
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return td::Status::Error("Receive too short server hello");
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}
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}
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if (server_hello_length > 0) {
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if (pos == 5) {
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CHECK_LENGTH(server_hello_length);
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pos += server_hello_length;
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EXPECT_STR(5, "\x02\x00", "Non-TLS response 2");
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EXPECT_STR(9, "\x03\x03", "Non-TLS response 3");
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auto random_id = td::Slice(result.c_str() + 11, 32);
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if (random_id ==
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"\xcf\x21\xad\x74\xe5\x9a\x61\x11\xbe\x1d\x8c\x02\x1e\x65\xb8\x91\xc2\xa2\x11\x16\x7a\xbb\x8c\x5e\x07"
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"\x9e\x09\xe2\xc8\xa8\x33\x9c") {
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return td::Status::Error("TLS 1.3 servers returning HelloRetryRequest are not supprted");
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}
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if (result[43] == '\x00') {
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return td::Status::Error("TLS <= 1.2: empty session_id");
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}
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EXPECT_STR(43, "\x20", "Non-TLS response 4");
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if (server_hello_length <= 75) {
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return td::Status::Error("Receive too short server hello 2");
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}
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EXPECT_STR(44, request.substr(44, 32), "TLS <= 1.2: expected mirrored session_id");
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EXPECT_STR(76, "\x13\x01\x00", "TLS <= 1.2: expected x25519 as a chosen cipher");
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EXPECT_STR(79, "\x00\x2e", "Support only TLS 1.3 extension list of size 47");
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}
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if (pos == 5 + server_hello_length) {
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CHECK_LENGTH(9);
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EXPECT_STR(pos, "\x14\x03\x03\x00\x01\x01", "Expected dummy ChangeCipherSpec");
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EXPECT_STR(pos + 6, "\x17\x03\x03", "Expected encrypted application data");
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pos += 9;
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}
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if (pos == 14 + server_hello_length) {
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CHECK_LENGTH(2);
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encrypted_application_data_length = read_length();
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if (encrypted_application_data_length == 0) {
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return td::Status::Error("Receive empty encrypted application data");
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}
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}
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if (encrypted_application_data_length > 0) {
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CHECK_LENGTH(encrypted_application_data_length);
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pos += encrypted_application_data_length;
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return td::Status::OK();
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}
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}
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}
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} else {
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td::usleep_for(10000);
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}
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}
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// LOG(ERROR) << url << ":" << td::format::as_hex_dump<0>(td::Slice(result));
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return td::Status::Error("Failed to get response in 3 seconds");
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}
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int main(int argc, char *argv[]) {
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SET_VERBOSITY_LEVEL(VERBOSITY_NAME(WARNING));
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#if TD_PORT_WINDOWS
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auto iocp = td::make_unique<td::detail::Iocp>();
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iocp->init();
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auto iocp_thread = td::thread([&iocp] { iocp->loop(); });
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td::detail::Iocp::Guard iocp_guard(iocp.get());
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#endif
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td::vector<td::string> urls;
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for (int i = 1; i < argc; i++) {
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urls.emplace_back(argv[i]);
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}
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for (auto &url : urls) {
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LOG(ERROR) << url << ": " << test_tls(url);
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}
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#if TD_PORT_WINDOWS
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iocp->interrupt_loop();
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iocp_thread.join();
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#endif
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}
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