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properly authenticate web seeds and trackers over SSL

This commit is contained in:
Arvid Norberg 2012-01-29 02:27:55 +00:00
parent 5d13327fb0
commit 89ee8463c6
3 changed files with 68 additions and 9 deletions
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4
include/libtorrent/ssl_stream.hpp
View File

@ -65,6 +65,10 @@ public:
void set_host_name(std::string name)
{ SSL_set_tlsext_host_name(m_sock.native_handle(), name.c_str()); }
template <class T>
void set_verify_callback(T const& fun, error_code& ec)
{ m_sock.set_verify_callback(fun, ec); }
SSL* native_handle() { return m_sock.native_handle(); }
typedef boost::function<void(error_code const&)> handler_type;

27
src/http_connection.cpp
View File

@ -42,6 +42,10 @@ POSSIBILITY OF SUCH DAMAGE.
#include "libtorrent/debug.hpp"
#endif
#ifdef TORRENT_USE_OPENSSL
#include <boost/asio/ssl/rfc2818_verification.hpp>
#endif
#include <boost/bind.hpp>
#include <string>
#include <algorithm>
@ -336,6 +340,29 @@ void http_connection::start(std::string const& hostname, std::string const& port
}
}
#ifdef TORRENT_USE_OPENSSL
// for SSL connections, make sure to authenticate the hostname
// of the certificate
#define CASE(t) case socket_type_int_impl<ssl_stream<t> >::value: \
m_sock.get<ssl_stream<t> >()->set_verify_callback(asio::ssl::rfc2818_verification(hostname), ec); \
break;
switch(m_sock.type())
{
CASE(stream_socket)
CASE(socks5_stream)
CASE(http_stream)
CASE(utp_stream)
}
if (ec)
{
m_resolver.get_io_service().post(boost::bind(&http_connection::callback
, me, ec, (char*)0, 0));
return;
}
#endif
#if TORRENT_USE_I2P
if (is_i2p)
{

46
src/torrent.cpp
View File

@ -85,7 +85,8 @@ POSSIBILITY OF SUCH DAMAGE.
#ifdef TORRENT_USE_OPENSSL
#include "libtorrent/ssl_stream.hpp"
#include <boost/asio/ssl/context.hpp>
//#include <boost/asio/ssl/verify_context.hpp>
#include <boost/asio/ssl/rfc2818_verification.hpp>
#include <boost/asio/ssl/verify_context.hpp>
#endif
#if defined TORRENT_VERBOSE_LOGGING || defined TORRENT_LOGGING || defined TORRENT_ERROR_LOGGING
@ -4554,15 +4555,25 @@ namespace libtorrent
TORRENT_ASSERT(ret);
proxy_settings const& ps = m_ses.proxy();
if ((ps.type == proxy_settings::http
|| ps.type == proxy_settings::http_pw)
&& !ssl)
if (s->get<http_stream>())
{
// the web seed connection will talk immediately to
// the proxy, without requiring CONNECT support
s->get<http_stream>()->set_no_connect(true);
}
using boost::tuples::ignore;
std::string hostname;
error_code ec;
boost::tie(ignore, ignore, hostname, ignore, ignore)
= parse_url_components(web->url, ec);
if (ec)
{
if (m_ses.m_alerts.should_post<url_seed_alert>())
m_ses.m_alerts.post_alert(url_seed_alert(get_handle(), web->url, ec));
return;
}
if (ps.proxy_hostnames
&& (ps.type == proxy_settings::socks5
|| ps.type == proxy_settings::socks5_pw))
@ -4576,14 +4587,31 @@ namespace libtorrent
s->get<socks5_stream>();
TORRENT_ASSERT(str);
using boost::tuples::ignore;
std::string hostname;
error_code ec;
boost::tie(ignore, ignore, hostname, ignore, ignore)
= parse_url_components(web->url, ec);
str->set_dst_name(hostname);
}
#ifdef TORRENT_USE_OPENSSL
// for SSL connections, make sure to authenticate the hostname
// of the certificate
#define CASE(t) case socket_type_int_impl<ssl_stream<t> >::value: \
s->get<ssl_stream<t> >()->set_verify_callback(asio::ssl::rfc2818_verification(hostname), ec); \
break;
switch(s->type())
{
CASE(stream_socket)
CASE(socks5_stream)
CASE(http_stream)
CASE(utp_stream)
}
if (ec)
{
if (m_ses.m_alerts.should_post<url_seed_alert>())
m_ses.m_alerts.post_alert(url_seed_alert(get_handle(), web->url, ec));
return;
}
#endif
boost::intrusive_ptr<peer_connection> c;
if (web->type == web_seed_entry::url_seed)
{