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SOCKS5 constants

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orignal 2022-10-15 21:37:00 -04:00
parent 6c2aec8854
commit 63fd05c7d3
2 changed files with 12 additions and 5 deletions
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10
libi2pd/NTCP2.cpp
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@ -1558,7 +1558,7 @@ namespace transport
case eSocksProxy: case eSocksProxy:
{ {
// TODO: support username/password auth etc // TODO: support username/password auth etc
static const uint8_t buff[3] = {0x05, 0x01, 0x00}; static const uint8_t buff[3] = {SOCKS5_VER, 0x01, 0x00};
boost::asio::async_write(conn->GetSocket(), boost::asio::buffer(buff, 3), boost::asio::transfer_all(), boost::asio::async_write(conn->GetSocket(), boost::asio::buffer(buff, 3), boost::asio::transfer_all(),
[] (const boost::system::error_code & ec, std::size_t transferred) [] (const boost::system::error_code & ec, std::size_t transferred)
{ {
@ -1672,21 +1672,21 @@ namespace transport
size_t sz = 6; // header + port size_t sz = 6; // header + port
auto buff = std::make_shared<std::vector<int8_t> >(256); auto buff = std::make_shared<std::vector<int8_t> >(256);
auto readbuff = std::make_shared<std::vector<int8_t> >(256); auto readbuff = std::make_shared<std::vector<int8_t> >(256);
(*buff)[0] = 0x05; (*buff)[0] = SOCKS5_VER;
(*buff)[1] = 0x01; (*buff)[1] = SOCKS5_CMD_CONNECT;
(*buff)[2] = 0x00; (*buff)[2] = 0x00;
auto& ep = conn->GetRemoteEndpoint (); auto& ep = conn->GetRemoteEndpoint ();
if(ep.address ().is_v4 ()) if(ep.address ().is_v4 ())
{ {
(*buff)[3] = 0x01; (*buff)[3] = SOCKS5_ATYP_IPV4;
auto addrbytes = ep.address ().to_v4().to_bytes(); auto addrbytes = ep.address ().to_v4().to_bytes();
sz += 4; sz += 4;
memcpy(buff->data () + 4, addrbytes.data(), 4); memcpy(buff->data () + 4, addrbytes.data(), 4);
} }
else if (ep.address ().is_v6 ()) else if (ep.address ().is_v6 ())
{ {
(*buff)[3] = 0x04; (*buff)[3] = SOCKS5_ATYP_IPV6;
auto addrbytes = ep.address ().to_v6().to_bytes(); auto addrbytes = ep.address ().to_v6().to_bytes();
sz += 16; sz += 16;
memcpy(buff->data () + 4, addrbytes.data(), 16); memcpy(buff->data () + 4, addrbytes.data(), 16);

7
libi2pd/TransportSession.h
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@ -124,6 +124,13 @@ namespace transport
uint64_t m_LastActivityTimestamp; uint64_t m_LastActivityTimestamp;
uint32_t m_CreationTime; // seconds since epoch uint32_t m_CreationTime; // seconds since epoch
}; };
// SOCKS5 proxy
const uint8_t SOCKS5_VER = 0x05;
const uint8_t SOCKS5_CMD_CONNECT = 0x01;
const uint8_t SOCKS5_CMD_UDP_ASSOCIATE = 0x03;
const uint8_t SOCKS5_ATYP_IPV4 = 0x01;
const uint8_t SOCKS5_ATYP_IPV6 = 0x04;
} }
} }