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Reject socks4 unauthenticated request

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世界 2023-09-25 20:43:42 +08:00
parent 5b05b5c147
commit ce9dfad347
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1 changed files with 10 additions and 0 deletions
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10
protocol/socks/handshake.go
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@ -110,6 +110,16 @@ func HandleConnection0(ctx context.Context, conn net.Conn, version byte, authent
} }
switch request.Command { switch request.Command {
case socks4.CommandConnect: case socks4.CommandConnect:
if authenticator != nil && !authenticator.Verify(request.Username, "") {
err = socks4.WriteResponse(conn, socks4.Response{
ReplyCode: socks4.ReplyCodeRejectedOrFailed,
Destination: request.Destination,
})
if err != nil {
return err
}
return E.New("socks4: authentication failed, username=", request.Username)
}
err = socks4.WriteResponse(conn, socks4.Response{ err = socks4.WriteResponse(conn, socks4.Response{
ReplyCode: socks4.ReplyCodeGranted, ReplyCode: socks4.ReplyCodeGranted,
Destination: M.SocksaddrFromNet(conn.LocalAddr()), Destination: M.SocksaddrFromNet(conn.LocalAddr()),