Grasscutters/mitmproxy
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Merge branch 'master' into 0.10

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This commit is contained in:
Maximilian Hils 2013-12-08 14:14:57 +01:00
commit a509a9037b
6 changed files with 61 additions and 35 deletions
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12
doc-src/transparent/osx.html
View File

@ -67,3 +67,15 @@ rdr on en2 inet proto tcp to any port 443 -> 127.0.0.1 port 8080
</ol>
Note that the **rdr** rules in the pf.conf given above only apply to inbound
traffic. This means that they will NOT redirect traffic coming from the box
running pf itself. We can't distinguish between an outbound connection from a
non-mitmproxy app, and an outbound connection from mitmproxy itself - if you
want to intercept your OSX traffic, you should use an external host to run
mitmproxy. None the less, pf is flexible to cater for a range of creative
possibilities, like intercepting traffic emanating from VMs. See the
**pf.conf** man page for more.

5
libmproxy/cmdline.py
View File

@ -192,6 +192,11 @@ def common_options(parser):
action="store", dest="reverse_proxy", default=None,
help="Reverse proxy to upstream server: http[s]://host[:port]"
)
parser.add_argument(
"-F",
action="store", dest="forward_proxy", default=None,
help="Proxy to unconditionally forward to: http[s]://host[:port]"
)
parser.add_argument(
"-q",
action="store_true", dest="quiet",

2
libmproxy/console/common.py
View File

@ -190,7 +190,7 @@ def format_flow(f, focus, extended=False, hostheader=False, padding=2):
delta = f.response.timestamp_end - f.response.timestamp_start
size = len(f.response.content) + f.response.get_header_size()
rate = utils.pretty_size(size / delta)
rate = utils.pretty_size(size / ( delta if delta > 0 else 1 ) )
d.update(dict(
resp_code = f.response.code,

7
libmproxy/flow.py
View File

@ -1581,6 +1581,13 @@ class FlowMaster(controller.Master):
self.run_script_hook("clientdisconnect", r)
r.reply()
def handle_serverconnection(self, sc):
# To unify the mitmproxy script API, we call the script hook "serverconnect" rather than "serverconnection".
# As things are handled differently in libmproxy (ClientConnect + ClientDisconnect vs ServerConnection class),
# there is no "serverdisonnect" event at the moment.
self.run_script_hook("serverconnect", sc)
sc.reply()
def handle_error(self, r):
f = self.state.add_error(r)
if f:

60
libmproxy/proxy.py
View File

@ -23,13 +23,14 @@ class Log:
class ProxyConfig:
def __init__(self, certfile = None, cacert = None, clientcerts = None, no_upstream_cert=False, body_size_limit = None, reverse_proxy=None, transparent_proxy=None, authenticator=None):
def __init__(self, certfile = None, cacert = None, clientcerts = None, no_upstream_cert=False, body_size_limit = None, reverse_proxy=None, forward_proxy=None, transparent_proxy=None, authenticator=None):
self.certfile = certfile
self.cacert = cacert
self.clientcerts = clientcerts
self.no_upstream_cert = no_upstream_cert
self.body_size_limit = body_size_limit
self.reverse_proxy = reverse_proxy
self.forward_proxy = forward_proxy
self.transparent_proxy = transparent_proxy
self.authenticator = authenticator
self.certstore = certutils.CertStore()
@ -158,6 +159,7 @@ class ProxyHandler(tcp.BaseHandler):
if not self.server_conn:
try:
self.server_conn = ServerConnection(self.config, scheme, host, port, sni)
self.channel.ask(self.server_conn)
self.server_conn.connect()
except tcp.NetLibError, v:
raise ProxyError(502, v)
@ -219,7 +221,12 @@ class ProxyHandler(tcp.BaseHandler):
# the case, we want to reconnect without sending an error
# to the client.
while 1:
sc = self.get_server_connection(cc, scheme, host, port, self.sni)
if self.config.forward_proxy:
forward_scheme, forward_host, forward_port = self.config.forward_proxy
sc = self.get_server_connection(cc, forward_scheme, forward_host, forward_port, self.sni)
else:
sc = self.get_server_connection(cc, scheme, host, port, self.sni)
sc.send(request)
if sc.requestcount == 1: # add timestamps only for first request (others are not directly affected)
request.tcp_setup_timestamp = sc.tcp_setup_timestamp
@ -258,13 +265,13 @@ class ProxyHandler(tcp.BaseHandler):
else:
response = response_reply
self.send_response(response)
if request and http.request_connection_close(request.httpversion, request.headers):
if request and http.connection_close(request.httpversion, request.headers):
return
# We could keep the client connection when the server
# connection needs to go away. However, we want to mimic
# behaviour as closely as possible to the client, so we
# disconnect.
if http.response_connection_close(response.httpversion, response.headers):
if http.connection_close(response.httpversion, response.headers):
return
except (IOError, ProxyError, http.HttpError, tcp.NetLibError), e:
if hasattr(e, "code"):
@ -310,6 +317,17 @@ class ProxyHandler(tcp.BaseHandler):
raise ProxyError(502, "Unable to generate dummy cert.")
return ret
def establish_ssl(self, client_conn, host, port):
dummycert = self.find_cert(client_conn, host, port, host)
sni = HandleSNI(
self, client_conn, host, port,
dummycert, self.config.certfile or self.config.cacert
)
try:
self.convert_to_ssl(dummycert, self.config.certfile or self.config.cacert, handle_sni=sni)
except tcp.NetLibError, v:
raise ProxyError(400, str(v))
def get_line(self, fp):
"""
Get a line, possibly preceded by a blank.
@ -329,15 +347,7 @@ class ProxyHandler(tcp.BaseHandler):
if port in self.config.transparent_proxy["sslports"]:
scheme = "https"
if not self.ssl_established:
dummycert = self.find_cert(client_conn, host, port, host)
sni = HandleSNI(
self, client_conn, host, port,
dummycert, self.config.certfile or self.config.cacert
)
try:
self.convert_to_ssl(dummycert, self.config.certfile or self.config.cacert, handle_sni=sni)
except tcp.NetLibError, v:
raise ProxyError(400, str(v))
self.establish_ssl(client_conn, host, port)
else:
scheme = "http"
line = self.get_line(self.rfile)
@ -372,15 +382,7 @@ class ProxyHandler(tcp.BaseHandler):
'\r\n'
)
self.wfile.flush()
dummycert = self.find_cert(client_conn, host, port, host)
sni = HandleSNI(
self, client_conn, host, port,
dummycert, self.config.certfile or self.config.cacert
)
try:
self.convert_to_ssl(dummycert, self.config.certfile or self.config.cacert, handle_sni=sni)
except tcp.NetLibError, v:
raise ProxyError(400, str(v))
self.establish_ssl(client_conn, host, port)
self.proxy_connect_state = (host, port, httpversion)
line = self.rfile.readline(line)
@ -414,10 +416,12 @@ class ProxyHandler(tcp.BaseHandler):
)
def read_request_reverse(self, client_conn):
scheme, host, port = self.config.reverse_proxy
if scheme.lower() == "https" and not self.ssl_established:
self.establish_ssl(client_conn, host, port)
line = self.get_line(self.rfile)
if line == "":
return None
scheme, host, port = self.config.reverse_proxy
r = http.parse_init_http(line)
if not r:
raise ProxyError(400, "Bad HTTP request line: %s"%repr(line))
@ -427,7 +431,7 @@ class ProxyHandler(tcp.BaseHandler):
self.rfile, self.wfile, headers, httpversion, self.config.body_size_limit
)
return flow.Request(
client_conn, httpversion, host, port, "http", method, path, headers, content,
client_conn, httpversion, host, port, scheme, method, path, headers, content,
self.rfile.first_byte_timestamp, utils.timestamp()
)
@ -595,6 +599,13 @@ def process_proxy_options(parser, options):
else:
rp = None
if options.forward_proxy:
fp = utils.parse_proxy_spec(options.forward_proxy)
if not fp:
return parser.error("Invalid forward proxy specification: %s"%options.forward_proxy)
else:
fp = None
if options.clientcerts:
options.clientcerts = os.path.expanduser(options.clientcerts)
if not os.path.exists(options.clientcerts) or not os.path.isdir(options.clientcerts):
@ -624,6 +635,7 @@ def process_proxy_options(parser, options):
body_size_limit = body_size_limit,
no_upstream_cert = options.no_upstream_cert,
reverse_proxy = rp,
forward_proxy = fp,
transparent_proxy = trans,
authenticator = authenticator
)

10
test/test_server.py
View File

@ -191,16 +191,6 @@ class TestHTTPS(tservers.HTTPProxTest, CommonMixin):
assert p.request("get:/:i0,'invalid\r\n\r\n'").status_code == 400
class TestHTTPSNoUpstream(tservers.HTTPProxTest, CommonMixin):
ssl = True
no_upstream_cert = True
def test_cert_gen_error(self):
f = self.pathoc_raw()
f.connect((u"foo..bar".encode("utf8"), 0))
f.request("get:/")
assert "dummy cert" in "".join(self.proxy.log)
class TestHTTPSCertfile(tservers.HTTPProxTest, CommonMixin):
ssl = True
certfile = True