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Diffstat (limited to '3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp')
-rw-r--r--3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp94
1 files changed, 94 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp b/3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp
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+++ b/3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp
@@ -0,0 +1,94 @@
+//
+// sync_client.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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 <array>
+#include <iostream>
+#include <iomanip>
+#include <ostream>
+#include <string>
+#include <asio.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);
+ auto 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.
+ auto 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.
+ std::array<char, 512> response;
+ std::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 std::system_error(error);
+ }
+ catch (std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}