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some socks5 cleanup

This commit is contained in:
Arvid Norberg 2014-09-28 05:42:35 +00:00
parent 19d0087911
commit 931c5530c2
2 changed files with 33 additions and 7 deletions
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30
include/libtorrent/socks5_stream.hpp
View File

@ -37,6 +37,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include <boost/shared_ptr.hpp>
#include "libtorrent/proxy_base.hpp"
#include "libtorrent/assert.hpp"
#if defined TORRENT_ASIO_DEBUGGING
#include "libtorrent/debug.hpp"
#endif
@ -73,16 +74,27 @@ class socks5_stream : public proxy_base
{
public:
// commands
enum {
socks5_connect = 1,
socks5_bind = 2,
socks5_udp_associate = 3
};
explicit socks5_stream(io_service& io_service)
: proxy_base(io_service)
, m_version(5)
, m_command(1)
, m_command(socks5_connect)
, m_listen(0)
{}
void set_version(int v) { m_version = v; }
void set_command(int c) { m_command = c; }
void set_command(int c)
{
TORRENT_ASSERT(c >= socks5_connect && c <=socks5_udp_associate);
m_command = c;
}
void set_username(std::string const& user
, std::string const& password)
@ -114,11 +126,17 @@ public:
}
#endif
//#error fix error messages to use custom error_code category
//#error add async_connect() that takes a hostname and port as well
// TODO: 2 fix error messages to use custom error_code category
// TODO: 2 add async_connect() that takes a hostname and port as well
template <class Handler>
void async_connect(endpoint_type const& endpoint, Handler const& handler)
{
// make sure we don't try to connect to INADDR_ANY. binding is fine,
// and using a hostname is fine on SOCKS version 5.
TORRENT_ASSERT(m_command == socks5_bind
|| endpoint.address() != address()
|| (!m_dst_name.empty() && m_version == 5));
m_remote_endpoint = endpoint;
// the connect is split up in the following steps:
@ -163,7 +181,11 @@ private:
std::string m_password;
std::string m_dst_name;
int m_version;
// the socks command to send for this connection (connect, bind,
// udp associate)
int m_command;
// set to one when we're waiting for the
// second message to accept an incoming connection
int m_listen;

10
src/socks5_stream.cpp
View File

@ -294,6 +294,10 @@ namespace libtorrent
}
else
{
// we either need a hostname or a valid endpoint
TORRENT_ASSERT(m_command == socks5_bind
|| m_remote_endpoint.address() != address());
write_uint8(m_remote_endpoint.address().is_v4()?1:4, p); // address type
write_address(m_remote_endpoint.address(), p);
}
@ -398,7 +402,7 @@ namespace libtorrent
// we ignore the proxy IP it was bound to
if (atyp == 1)
{
if (m_command == 2)
if (m_command == socks5_bind)
{
if (m_listen == 0)
{
@ -459,7 +463,7 @@ namespace libtorrent
// access granted
if (response == 90)
{
if (m_command == 2)
if (m_command == socks5_bind)
{
if (m_listen == 0)
{
@ -505,7 +509,7 @@ namespace libtorrent
if (handle_error(e, h)) return;
if (m_command == 2)
if (m_command == socks5_bind)
{
if (m_listen == 0)
{