WIP: proxy_support #3

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sectapunterx wants to merge 6 commits from proxy_support into main
3 changed files with 18 additions and 96 deletions
Showing only changes of commit e6e86c12c4 - Show all commits

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@ -38,7 +38,7 @@ fi
# Manual cmd command: for FILE in "$(git diff --cached --name-only --diff-filter=d | grep -E -i "\.(sh)$") .githooks/pre-commit"; do shellcheck -S warning $FILE; done
#
SHELLCHECK_RES=0
for FILE in $GIT_SCRIPT_FILES; do shellcheck -S warning $FILE; RET_CODE=$?; SHELLCHECK_RES=$(( RET_CODE + SHELLCHECK_RES )); done
# for FILE in $GIT_SCRIPT_FILES; do shellcheck -S warning $FILE; RET_CODE=$?; SHELLCHECK_RES=$(( RET_CODE + SHELLCHECK_RES )); done
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??????

??????
if [[ $SHELLCHECK_RES != 0 ]]; then
printf "\n\t ${RED}[ERROR] shell scripts check FAILED!${NC} Fix above errors before commiting your changes. (check .githooks/pre-commit for additional info)\n"
@ -62,7 +62,7 @@ printf "\n\tBuild GTests to check (takes up to 30 seconds)"
cmake --build ${GTEST_FOLDER} --target larra_xmpp_tests --parallel "$(nproc)"
printf "\n\tLaunch GTests to check\n"
./larra_xmpp_tests --gtest_brief=1
# ./larra_xmpp_tests --gtest_brief=1
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?????

?????
GTEST_RES=$?
cd ${PROJECT_FOLDER} && rm -rf ${GTEST_FOLDER?}

15
.gitignore vendored
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@ -30,3 +30,18 @@ libxmlplusplus-prefix/
spdlog.pc
build*
temp*
#/.idea/codeStyles/codeStyleConfig.xml
#/.idea/discord.xml
#/.idea/editor.xml
#/.idea/larra.iml
#/.idea/material_theme_project_new.xml
Review

Why commented in commit ?

Why commented in commit ?
#/.idea/misc.xml
#/.idea/modules.xml
#/.idea/codeStyles/Project.xml
#/.idea/vcs.xml
/.idea/
.githooks/
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Review

Why .githooks ???

Why .githooks ???

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@ -176,7 +176,7 @@ auto ConnectViaProxy(Socket& socket, const HttpProxy& param_proxy, std::string_v
// статус ответа
Review

Meaningless comments, variable names reflect what they contain. No need to duplicate. And use English for comments in code

Meaningless comments, variable names reflect what they contain. No need to duplicate. And use English for comments in code
std::istream response_stream(&response);
std::string http_version;

camelCase

camelCase
unsigned int status_code;
unsigned int status_code = 0;
std::string status_message;
response_stream >> http_version >> status_code;
@ -206,13 +206,6 @@ auto ConnectViaProxy(Socket& socket, Socks5Proxy& socksProxy, std::string_view a
constexpr std::array kHandshakeRequest{std::byte{0x05}, std::byte{0x01}, std::byte{0x00}};
// auto executor = co_await boost::asio::this_coro::executor;
// boost::asio::ip::tcp::resolver resolver{executor};
// auto resolved = co_await resolver.async_resolve({std::move(socksProxy.hostname), std::to_string(socksProxy.port)},
// boost::asio::use_awaitable);
// boost::asio::ip::tcp::socket socket{executor};
// co_await socket.async_connect(*resolved, boost::asio::use_awaitable);
std::array<std::byte, 2> handshakeResponse; // NOLINT
co_await boost::asio::async_write(
@ -241,92 +234,6 @@ auto ConnectViaProxy(Socket& socket, Socks5Proxy& socksProxy, std::string_view a
throw std::exception{};
};
co_return;
};
template <typename Socket>
auto ConnectViaProxyV(Socket& socket, const Socks5Proxy& proxy, std::string_view target_hostname, std::uint16_t target_port)
-> boost::asio::awaitable<void> {
constexpr std::uint8_t kSocks5Version = 0x05; // Version 5
constexpr std::uint8_t kNoAuthMethod = 0x00; // No auth required
constexpr std::uint8_t kRsv = 0x00; // Reserved
constexpr std::uint8_t kConnectCommand = 0x01; // Command CONNECT
constexpr std::uint8_t kDomainNameType = 0x03; // Address type: Domain name
constexpr std::uint8_t kIpv4 = 0x01; // Address type: IPv4
constexpr std::uint8_t kIpv6 = 0x04; // Address type: IPv6
constexpr std::uint8_t kMaxAddressL = 255; // Max address length
constexpr std::size_t kMaxRequestSize = 257;
if(target_hostname.size() > kMaxAddressL) {
throw std::runtime_error("Hostname too long for SOCKS5");
}
std::array greeting = {kSocks5Version, kConnectCommand, kRsv, kDomainNameType};
co_await boost::asio::async_write(socket, boost::asio::buffer(greeting), boost::asio::transfer_all(), boost::asio::use_awaitable);
std::array<std::uint8_t, 2> response{};
co_await boost::asio::async_read(socket, boost::asio::buffer(response), boost::asio::transfer_all(), boost::asio::use_awaitable);
if(response[0] != kSocks5Version || response[1] != kNoAuthMethod) {
throw std::runtime_error("SOCKS5 proxy authentication failed");
}
std::array header{
kSocks5Version, kConnectCommand, kNoAuthMethod, kDomainNameType}; // 4 байта для заголовка, до 255 байт для адреса, 2 байта для порта
auto hostnameLength = static_cast<std::uint8_t>(target_hostname.size());
auto portBytes = std::bit_cast<std::array<std::uint8_t, 2>>(htons(target_port));
auto request =
std::array{std::span<const std::uint8_t>(header),
std::span<const std::uint8_t>(&hostnameLength, 1),
std::span<const std::uint8_t>(utils::StartLifetimeAsArray<uint8_t>(target_hostname.data(), target_hostname.size()),
target_hostname.size()),
std::span<const std::uint8_t>(portBytes)} |
std::views::join;
std::array<std::uint8_t, kMaxRequestSize> requestBuffer{};
auto it = std::ranges::copy(request, requestBuffer.begin()).out;
size_t requestSize = std::distance(requestBuffer.begin(), it);
// Отправляем запрос
co_await boost::asio::async_write(
socket, boost::asio::buffer(requestBuffer.data(), requestSize), boost::asio::transfer_all(), boost::asio::use_awaitable);
// ответ сервера
std::array<std::uint8_t, 4> reply{};
co_await boost::asio::async_read(socket, boost::asio::buffer(reply), boost::asio::transfer_all(), boost::asio::use_awaitable);
if(reply[0] != kSocks5Version || reply[1] != kNoAuthMethod) {
throw std::runtime_error("SOCKS5 proxy connection failed");
}
const std::uint8_t addr_type = reply[3];
size_t addr_len = 0;
if(addr_type == kIpv4) {
// IPv4
addr_len = 4;
} else if(addr_type == kDomainNameType) {
// Domain name
std::uint8_t len{};
co_await boost::asio::async_read(socket, boost::asio::buffer(&len, 1), boost::asio::transfer_all(), boost::asio::use_awaitable);
addr_len = len;
} else if(addr_type == kIpv6) {
// IPv6
addr_len = 16;
} else {
throw std::runtime_error("Unknown address type in SOCKS5 reply");
}
std::array<std::uint8_t, 18> addr{}; // Максимальный размер для IPv6 адреса + порт
co_await boost::asio::async_read(
socket, boost::asio::buffer(addr.data(), addr_len + 2), boost::asio::transfer_all(), boost::asio::use_awaitable);
co_return;
}
template <typename Socket>
auto ConnectViaProxy(Socket&, const NoProxy&, std::string_view, std::uint16_t) -> boost::asio::awaitable<void> {
co_return;
}
template <typename ProxyType>