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bind SOCKS5 connection to correct outgoing interface

This commit is contained in:
arvidn 2020-01-13 19:18:18 +01:00 committed by Arvid Norberg
parent 95df88e7a3
commit 571952fd19
4 changed files with 32 additions and 1 deletions
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2
bindings/python/src/alert.cpp
View File

@ -370,6 +370,8 @@ void bind_alert()
.value("partfile_write", operation_t::partfile_write)
.value("hostname_lookup", operation_t::hostname_lookup)
.value("symlink", operation_t::symlink)
.value("handshake", operation_t::handshake)
.value("sock_option", operation_t::sock_option)
;
def("operation_name", static_cast<char const*(*)(operation_t)>(&lt::operation_name));

3
include/libtorrent/operations.hpp
View File

@ -169,6 +169,9 @@ namespace libtorrent {
// handshake with a peer or server
handshake,
// set socket option
sock_option,
};
// maps an operation id (from peer_error_alert and peer_disconnected_alert)

4
src/alert.cpp
View File

@ -896,6 +896,7 @@ namespace {
case o::hostname_lookup: return -1;
case o::symlink: return -1;
case o::handshake: return -1;
case o::sock_option: return -1;
}
return -1;
}
@ -1562,7 +1563,8 @@ namespace {
"partfile_write",
"hostname_lookup",
"symlink",
"handshake"
"handshake",
"sock_option"
};
int const idx = static_cast<int>(op);

24
src/udp_socket.cpp
View File

@ -556,9 +556,33 @@ void socks5::on_name_lookup(error_code const& e, tcp::resolver::iterator i)
error_code ec;
m_socks5_sock.open(is_v4(m_proxy_addr) ? tcp::v4() : tcp::v6(), ec);
if (ec)
{
if (m_alerts.should_post<socks5_alert>())
m_alerts.emplace_alert<socks5_alert>(m_proxy_addr, operation_t::sock_open, ec);
return;
}
// enable keepalives
m_socks5_sock.set_option(boost::asio::socket_base::keep_alive(true), ec);
if (ec)
{
if (m_alerts.should_post<socks5_alert>())
m_alerts.emplace_alert<socks5_alert>(m_proxy_addr, operation_t::sock_option, ec);
return;
}
tcp::endpoint const bind_ep(m_listen_socket.get_local_endpoint().address(), 0);
m_socks5_sock.bind(bind_ep, ec);
if (ec)
{
if (m_alerts.should_post<socks5_alert>())
m_alerts.emplace_alert<socks5_alert>(m_proxy_addr, operation_t::sock_bind, ec);
return;
}
// TODO: perhaps an attempt should be made to bind m_socks5_sock to the
// device of m_listen_socket
ADD_OUTSTANDING_ASYNC("socks5::on_connected");
m_socks5_sock.async_connect(m_proxy_addr