diff options
-rw-r--r-- | mitmproxy/options.py | 7 | ||||
-rw-r--r-- | mitmproxy/proxy/root_context.py | 11 |
2 files changed, 14 insertions, 4 deletions
diff --git a/mitmproxy/options.py b/mitmproxy/options.py index 20151c19..1ecdd6a6 100644 --- a/mitmproxy/options.py +++ b/mitmproxy/options.py @@ -173,7 +173,7 @@ class Options(optmanager.OptManager): ) self.add_option( "server", bool, True, - "Start a proxy server." + "Start a proxy server. Enabled by default." ) self.add_option( "server_replay_nopop", bool, False, @@ -406,8 +406,9 @@ class Options(optmanager.OptManager): ) self.add_option( "rawtcp", bool, False, - "Enable/disable experimental raw TCP support. " - "Disabled by default. " + "Enable/disable experimental raw TCP support. TCP connections starting with non-ascii " + "bytes are treated as if they would match tcp_hosts. The heuristic is very rough, use " + "with caution. Disabled by default. " ) self.add_option( diff --git a/mitmproxy/proxy/root_context.py b/mitmproxy/proxy/root_context.py index 3d21b13c..c0ec64c9 100644 --- a/mitmproxy/proxy/root_context.py +++ b/mitmproxy/proxy/root_context.py @@ -104,7 +104,16 @@ class RootContext: if alpn == b'http/1.1': return protocol.Http1Layer(top_layer, http.HTTPMode.transparent) - # 6. Assume HTTP1 by default + # 6. Check for raw tcp mode + is_ascii = ( + len(d) == 3 and + # expect A-Za-z + all(65 <= x <= 90 or 97 <= x <= 122 for x in d) + ) + if self.config.options.rawtcp and not is_ascii: + return protocol.RawTCPLayer(top_layer) + + # 7. Assume HTTP1 by default return protocol.Http1Layer(top_layer, http.HTTPMode.transparent) def log(self, msg, level, subs=()): |