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drop proxied incoming packets if the source IP doesn't match the proxy

This commit is contained in:
Arvid Norberg 2010-08-20 07:13:05 +00:00
parent bdee276a98
commit d1d6814e2f
1 changed files with 8 additions and 4 deletions
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8
src/udp_socket.cpp
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@ -252,9 +252,11 @@ void udp_socket::on_read(udp::socket* s, error_code const& e, std::size_t bytes_
try {
#endif
if (m_tunnel_packets && m_v4_ep == m_proxy_addr)
if (m_tunnel_packets)
{
l.unlock();
// if the source IP doesn't match the proxy's, ignore the packet
if (m_v4_ep == m_proxy_addr)
unwrap(e, m_v4_buf, bytes_transferred);
}
else
@ -280,9 +282,11 @@ void udp_socket::on_read(udp::socket* s, error_code const& e, std::size_t bytes_
try {
#endif
if (m_tunnel_packets && m_v6_ep == m_proxy_addr)
if (m_tunnel_packets)
{
l.unlock();
// if the source IP doesn't match the proxy's, ignore the packet
if (m_v6_ep == m_proxy_addr)
unwrap(e, m_v6_buf, bytes_transferred);
}
else