diff options
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/socks4/sync_client.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp03/socks4/sync_client.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/socks4/sync_client.cpp b/3rdparty/asio/src/examples/cpp03/socks4/sync_client.cpp new file mode 100644 index 00000000000..7b82564ab53 --- /dev/null +++ b/3rdparty/asio/src/examples/cpp03/socks4/sync_client.cpp @@ -0,0 +1,94 @@ +// +// sync_client.cpp +// ~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#include <iostream> +#include <iomanip> +#include <ostream> +#include <string> +#include <asio.hpp> +#include <boost/array.hpp> +#include "socks4.hpp" + +using asio::ip::tcp; + +int main(int argc, char* argv[]) +{ + try + { + if (argc != 4) + { + std::cout << "Usage: sync_client <socks4server> <socks4port> <user>\n"; + std::cout << "Examples:\n"; + std::cout << " sync_client 127.0.0.1 1080 chris\n"; + std::cout << " sync_client localhost socks chris\n"; + return 1; + } + + asio::io_context io_context; + + // Get a list of endpoints corresponding to the SOCKS 4 server name. + tcp::resolver resolver(io_context); + tcp::resolver::results_type endpoints = resolver.resolve(argv[1], argv[2]); + + // Try each endpoint until we successfully establish a connection to the + // SOCKS 4 server. + tcp::socket socket(io_context); + asio::connect(socket, endpoints); + + // Get an endpoint for the Boost website. This will be passed to the SOCKS + // 4 server. Explicitly specify IPv4 since SOCKS 4 does not support IPv6. + tcp::endpoint http_endpoint = + *resolver.resolve(tcp::v4(), "www.boost.org", "http").begin(); + + // Send the request to the SOCKS 4 server. + socks4::request socks_request( + socks4::request::connect, http_endpoint, argv[3]); + asio::write(socket, socks_request.buffers()); + + // Receive a response from the SOCKS 4 server. + socks4::reply socks_reply; + asio::read(socket, socks_reply.buffers()); + + // Check whether we successfully negotiated with the SOCKS 4 server. + if (!socks_reply.success()) + { + std::cout << "Connection failed.\n"; + std::cout << "status = 0x" << std::hex << socks_reply.status(); + return 1; + } + + // Form the HTTP request. We specify the "Connection: close" header so that + // the server will close the socket after transmitting the response. This + // will allow us to treat all data up until the EOF as the response. + std::string request = + "GET / HTTP/1.0\r\n" + "Host: www.boost.org\r\n" + "Accept: */*\r\n" + "Connection: close\r\n\r\n"; + + // Send the HTTP request. + asio::write(socket, asio::buffer(request)); + + // Read until EOF, writing data to output as we go. + boost::array<char, 512> response; + asio::error_code error; + while (std::size_t s = socket.read_some( + asio::buffer(response), error)) + std::cout.write(response.data(), s); + if (error != asio::error::eof) + throw asio::system_error(error); + } + catch (std::exception& e) + { + std::cout << "Exception: " << e.what() << "\n"; + } + + return 0; +} |