An HTTPS client that connects to Yahoo using Boost.Asio

boost-asio-https.cc

// g++ % -lboost_system -lpthread $(pkg-config --libs openssl)
#include "boost/asio.hpp"
#include "boost/asio/ssl.hpp"
#include <string>

using namespace boost::asio;

int main(int argc, char *argv[]) {
  io_service service;

  typedef ssl::stream<ip::tcp::socket> ssl_socket;
  ssl::context ctx(ssl::context::sslv23);
  ctx.set_default_verify_paths();

  // Open an SSL socket to the given host
  ssl_socket sock(service, ctx);
  ip::tcp::resolver resolver(service);

  std::string host("www.yahoo.com");

  ip::tcp::resolver::query query(host, "https");
  connect(sock.lowest_layer(), resolver.resolve(query));

  // The SSL handshake
  sock.set_verify_mode(ssl::verify_none);
  sock.set_verify_callback(ssl::rfc2818_verification(host));
  sock.handshake(ssl_socket::client);

  std::string req("GET /index.html HTTP/1.0 \r\nHost: " + host +
                  "\r\nAccept: */*\r\nConnection: close\r\n\r\n");

  write(sock, buffer(req.c_str(), req.length()));

  char buff[512];
  boost::system::error_code ec;
  while (!ec) {
    int bytes = read(sock, buffer(buff), ec);
    std::cout << std::string(buff, bytes);
  }

  return 0;
}