diff --git a/libmproxy/cmdline.py b/libmproxy/cmdline.py index e7ca1bcf9..d9efe0c25 100644 --- a/libmproxy/cmdline.py +++ b/libmproxy/cmdline.py @@ -66,7 +66,7 @@ def common_options(parser): ) parser.add_option( "-R", - action="store", dest="reverse_upstream", default=None, + action="store", dest="reverse_proxy", default=None, help="Reverse proxy: upstream server host:port" ) parser.add_option( diff --git a/libmproxy/console/connlist.py b/libmproxy/console/connlist.py index 4e8bfebd2..8fbe3609b 100644 --- a/libmproxy/console/connlist.py +++ b/libmproxy/console/connlist.py @@ -8,11 +8,11 @@ def _mkhelp(): ("a", "accept this intercepted connection"), ("C", "clear connection list or eventlog"), ("d", "delete flow"), + ("e", "toggle eventlog"), ("l", "set limit filter pattern"), ("L", "load saved flows"), ("r", "replay request"), ("R", "revert changes to request"), - ("v", "toggle eventlog"), ("w", "save all flows matching current limit"), ("W", "save this flow"), ("X", "kill and delete connection, even if it's mid-intercept"), @@ -133,8 +133,6 @@ class ConnectionItem(common.WWrap): ) elif key == "X": self.flow.kill(self.master) - elif key == "v": - self.master.toggle_eventlog() elif key == "enter": if self.flow.request: self.master.view_flow(self.flow) @@ -190,7 +188,7 @@ class ConnectionListBox(urwid.ListBox): elif key == "C": self.master.clear_connections() key = None - elif key == "v": + elif key == "e": self.master.toggle_eventlog() key = None return urwid.ListBox.keypress(self, size, key) diff --git a/libmproxy/console/connview.py b/libmproxy/console/connview.py index c9667ed29..7f0b05412 100644 --- a/libmproxy/console/connview.py +++ b/libmproxy/console/connview.py @@ -26,7 +26,7 @@ def _mkhelp(): ), ("p", "previous flow"), ("r", "replay request"), - ("R", "revert changes to request"), + ("V", "revert changes to request"), ("v", "view body in external viewer"), ("w", "save all flows matching current limit"), ("W", "save this flow"), @@ -513,7 +513,7 @@ class ConnectionView(common.WWrap): if r: self.master.statusbar.message(r) self.master.refresh_connection(self.flow) - elif key == "R": + elif key == "V": self.state.revert(self.flow) self.master.refresh_connection(self.flow) elif key == "W": diff --git a/libmproxy/flow.py b/libmproxy/flow.py index 776846fe0..f9f1093ff 100644 --- a/libmproxy/flow.py +++ b/libmproxy/flow.py @@ -1292,9 +1292,9 @@ class FlowMaster(controller.Master): f.error = None self.process_new_request(f) rt = proxy.RequestReplayThread( + self.server.config, f, self.masterq, - self.server.config.body_size_limit ) rt.start() #end nocover diff --git a/libmproxy/proxy.py b/libmproxy/proxy.py index 9b22c5005..7012ea9b7 100644 --- a/libmproxy/proxy.py +++ b/libmproxy/proxy.py @@ -2,8 +2,6 @@ A simple proxy server implementation, which always reads all of a server response into memory, performs some transformation, and then writes it back to the client. - - Development started from Neil Schemenauer's munchy.py """ import sys, os, string, socket, time import shutil, tempfile, threading @@ -22,14 +20,14 @@ class ProxyError(Exception): class ProxyConfig: - def __init__(self, certfile = None, ciphers = None, cacert = None, cert_wait_time=0, body_size_limit = None, reverse_upstream=None): + def __init__(self, certfile = None, ciphers = None, cacert = None, cert_wait_time=0, body_size_limit = None, reverse_proxy=None): self.certfile = certfile self.ciphers = ciphers self.cacert = cacert self.certdir = None self.cert_wait_time = cert_wait_time self.body_size_limit = body_size_limit - self.reverse_upstream = reverse_upstream + self.reverse_proxy = reverse_proxy def read_chunked(fp, limit): @@ -162,14 +160,14 @@ class FileLike: #begin nocover class RequestReplayThread(threading.Thread): - def __init__(self, flow, masterq, body_size_limit): - self.flow, self.masterq, self.body_size_limit = flow, masterq, body_size_limit + def __init__(self, config, flow, masterq): + self.config, self.flow, self.masterq = config, flow, masterq threading.Thread.__init__(self) def run(self): try: - server = ServerConnection(self.flow.request, self.body_size_limit) - server.send_request(self.flow.request) + server = ServerConnection(self.config, self.flow.request) + server.send() response = server.read_response() response._send(self.masterq) except ProxyError, v: @@ -178,11 +176,14 @@ class RequestReplayThread(threading.Thread): class ServerConnection: - def __init__(self, request, body_size_limit): - self.body_size_limit = body_size_limit - self.host = request.host - self.port = request.port - self.scheme = request.scheme + def __init__(self, config, request): + self.config, self.request = config, request + if config.reverse_proxy: + self.scheme, self.host, self.port = config.reverse_proxy + else: + self.host = request.host + self.port = request.port + self.scheme = request.scheme self.close = False self.server, self.rfile, self.wfile = None, None, None self.connect() @@ -199,14 +200,13 @@ class ServerConnection: self.server = server self.rfile, self.wfile = server.makefile('rb'), server.makefile('wb') - def send_request(self, request): - self.request = request - request.close = self.close + def send(self): + self.request.close = self.close try: - self.wfile.write(request._assemble()) + self.wfile.write(self.request._assemble()) self.wfile.flush() except socket.error, err: - raise ProxyError(502, 'Error sending data to "%s": %s' % (request.host, err)) + raise ProxyError(502, 'Error sending data to "%s": %s' % (self.request.host, err)) def read_response(self): line = self.rfile.readline() @@ -231,7 +231,7 @@ class ServerConnection: if self.request.method == "HEAD" or code == 204 or code == 304: content = "" else: - content = read_http_body(self.rfile, self, headers, True, self.body_size_limit) + content = read_http_body(self.rfile, self, headers, True, self.config.body_size_limit) return flow.Response(self.request, code, msg, headers, content) def terminate(self): @@ -279,8 +279,8 @@ class ProxyHandler(SocketServer.StreamRequestHandler): request = False response = response._send(self.mqueue) else: - server = ServerConnection(request, self.config.body_size_limit) - server.send_request(request) + server = ServerConnection(self.config, request) + server.send() try: response = server.read_response() except IOError, v: @@ -348,15 +348,6 @@ class ProxyHandler(SocketServer.StreamRequestHandler): self.rfile = FileLike(self.connection) self.wfile = FileLike(self.connection) method, scheme, host, port, path, httpminor = parse_request_line(self.rfile.readline()) - # If we're in reverse proxy mode, we only get the path and - # version in the request and need to fill up host and port - # from the configuration. This still assumes that the client will - # provide the correct Host: header and we do not need to tamper - # with that (or will tamper using other means). - if self.config.reverse_upstream: - scheme = 'http' - host, port = self.config.reverse_upstream.split(':') - port = int(port) if scheme is None: scheme = "https" headers = flow.Headers() @@ -374,9 +365,12 @@ class ProxyHandler(SocketServer.StreamRequestHandler): port = 80 port = int(port) if host is None: - # FIXME: We only specify the first part of the invalid request in this error. - # We should gather up everything read from the socket, and specify it all. - raise ProxyError(400, 'Invalid request: %s'%line) + if self.config.reverse_proxy: + scheme, host, port = self.config.reverse_proxy + else: + # FIXME: We only specify the first part of the invalid request in this error. + # We should gather up everything read from the socket, and specify it all. + raise ProxyError(400, 'Invalid request: %s'%line) if "expect" in headers: expect = ",".join(headers['expect']) if expect == "100-continue" and httpminor >= 1: @@ -493,13 +487,21 @@ def process_proxy_options(parser, options): if getattr(options, "cache", None) is not None: options.cache = os.path.expanduser(options.cache) body_size_limit = utils.parse_size(options.body_size_limit) + + if options.reverse_proxy: + rp = utils.parse_proxy_spec(options.reverse_proxy) + if not rp: + parser.error("Invalid reverse proxy specification: %s"%options.reverse_proxy) + else: + rp = None + return ProxyConfig( certfile = options.cert, cacert = cacert, ciphers = options.ciphers, cert_wait_time = options.cert_wait_time, body_size_limit = body_size_limit, - reverse_upstream = options.reverse_upstream + reverse_proxy = rp ) diff --git a/libmproxy/utils.py b/libmproxy/utils.py index c12ccc9bc..f0e311457 100644 --- a/libmproxy/utils.py +++ b/libmproxy/utils.py @@ -161,7 +161,6 @@ def del_all(dict, keys): del dict[key] - def pretty_size(size): suffixes = [ ("B", 2**10), @@ -421,6 +420,13 @@ def parse_url(url): return scheme, host, port, path +def parse_proxy_spec(url): + p = parse_url(url) + if not p: + return None + return p[:3] + + def clean_hanging_newline(t): """ Many editors will silently add a newline to the final line of a diff --git a/test/test_utils.py b/test/test_utils.py index 65c76ac93..c1e6fdfe6 100644 --- a/test/test_utils.py +++ b/test/test_utils.py @@ -200,6 +200,13 @@ class uLRUCache(libpry.AutoTree): assert len(f._cachelist_one) == 2 +class u_parse_proxy_spec(libpry.AutoTree): + def test_simple(self): + assert not utils.parse_proxy_spec("") + assert utils.parse_proxy_spec("http://foo.com:88") == ("http", "foo.com", 88) + assert utils.parse_proxy_spec("http://foo.com") == ("http", "foo.com", 80) + assert not utils.parse_proxy_spec("foo.com") + class u_parse_url(libpry.AutoTree): def test_simple(self): @@ -254,6 +261,7 @@ tests = [ udummy_cert(), uLRUCache(), u_parse_url(), + u_parse_proxy_spec(), u_parse_size(), uclean_hanging_newline() ]