class Request: parser = None _body = None def __init__(self, data): self.parser = HttpParser() self.parser.execute(data, len(data)) self.method = self.parser.get_method() self.path = self.parser.get_path() self.headers = self.parser.get_headers() self.querystring = parse_qs(unquote(self.parser.get_query_string()), keep_blank_values=True) if self.querystring: self.path += "?{}".format(self.parser.get_query_string()) def add_data(self, data): self.parser.execute(data, len(data)) @property def body(self): if self._body is None: self._body = decode_from_bytes(self.parser.recv_body()) return self._body def __str__(self): return "{} - {} - {}".format(self.method, self.path, self.headers)
def inject(self, dest, to_backend, data, http=False): modified_data = data if http: # to_backend = not to_backend parser = HttpParser() parser.execute(data, len(data)) query = parser.get_query_string() url = parser.get_url() body = parser.recv_body() if body: inject_in = body elif query: inject_in = query else: inject_in = url modified_data = data.replace( inject_in, "%s%s" % (inject_in, os.urandom(100)) ) # modified_data = data.replace(inject_in, new_inject_in) if not to_backend: # back to the client middle = len(data) / 2 modified_data = data[:middle] + os.urandom(100) + data[middle:] # sending the data tp the backend dest.sendall(modified_data)
def parse_request(http_request, protocol, host, port): """ Parse HTTP request form Burp Suite to dict TODO cookie parse """ httpParser = HttpParser() httpParser.execute(http_request, len(http_request)) header = dict(httpParser.get_headers()) header.pop("Content-Length") # remove Content-Length # cookie = header["Cookie"] body = httpParser.recv_body() method = httpParser.get_method() url = protocol + "://" + host + httpParser.get_path() query = httpParser.get_query_string() params = dict(urlparse.parse_qsl(query)) data = dict(urlparse.parse_qsl(body)) if method == "POST" else {} try: jsondata = json.loads( body) if method == "POST" and header["Content-Type"] == "application/json" else {} except Exception as e: print "[!] " + e jsondata = {} return method, url, header, params, data, jsondata
class Session: def __init__(self, current_key_hex, partner_key_hex): # self.body = [] self.parser = HttpParser(kind=2, decompress=True) self.data_bytes = 0 self.total_bytes = 0 self.current_key_hex = current_key_hex self.partner_key_hex = partner_key_hex self.is_request = None self.service = None def getPartner(self): return sessions[partner_key_hex] def getService(self): if (self.is_request == False): return self.getPartner().getService() if (self.is_request is None): return '_unknown' if (self.service is None): self.service = getServiceForQS(self.parser.get_query_string()) return self.service def eat(self, payload_string, bytes_sent): received_len = len(payload_string) self.data_bytes += received_len self.total_bytes += bytes_sent parsed_len = self.parser.execute(payload_string, received_len) # assert received_len == parsed_len # if self.parser.is_headers_complete(): # eprint(self.parser.get_headers()) # if self.parser.is_partial_body(): # self.body.append(self.parser.recv_body()) # if self.parser.is_message_complete(): # eprint("".join(self.body)) if self.parser.get_status_code() is not 0: self.is_request = False addBytesOutboundFromService(bytes_sent, self.getService()) # eprint(payload_string) elif self.parser.is_message_begin(): self.is_request = True addBytesInboundToService(bytes_sent, self.getService()) else: addBytesUnknownboundToService(bytes_sent, self.getService()) # if (self.parser.is_headers_complete() and not self.parser.is_message_complete()): # eprint("expected: %s, so far: %d" % (self.parser.get_headers().get('CONTENT-LENGTH'), self.data_bytes)) if self.parser.is_message_complete(): eprint("end!")
def __init__(self, raw): self.raw = raw req = HttpParser() req.execute(raw.request, len(raw.request)) self.headers = req.get_headers() self.body = b"".join(req._body) self.url = req.get_url() self.path = req.get_path() self.method = req.get_method() self.arguments = req.get_query_string() self.slug = [a for a in self.path.split('/') if a != '']
def proxy(data): """ the function called by tproxy to determine where to send traffic tproxy will call this function repeatedly for the same connection, as we receive more incoming data, until we return something other than None. typically our response tells tproxy where to proxy the connection to, but may also tell it to hang up, or respond with some error message. """ log = logging.getLogger("proxy") bytes_received = len(data) parser = HttpParser() bytes_parsed = parser.execute(data, bytes_received) if bytes_parsed != bytes_received: return { 'close': 'HTTP/1.0 400 Bad Request\r\n\r\nParse error' } if not parser.is_headers_complete(): if bytes_received > MAX_HEADER_LENGTH: return { 'close': 'HTTP/1.0 400 Bad Request\r\n' '\r\nHeaders are too large' } return None headers = parser.get_headers() # the hostname may be in the form of hostname:port, in which case we want # to discard the port, and route just on hostname route_host = headers.get('HOST', None) if route_host: match = _HOST_PORT_REGEXP.match(route_host) if match: route_host = match.group(1) try: log.debug("Routing %r" % ( parser.get_url(), )) return _ROUTER.route( route_host, parser.get_method(), parser.get_path(), parser.get_query_string()) except Exception, err: log.error("error routing %r, %s" % ( parser.get_url(), traceback.format_exc(), )) gevent.sleep(ERROR_DELAY) return { 'close': 'HTTP/1.0 502 Gateway Error\r\n' '\r\nError routing request' }
def proxy(data): """ the function called by tproxy to determine where to send traffic tproxy will call this function repeatedly for the same connection, as we receive more incoming data, until we return something other than None. typically our response tells tproxy where to proxy the connection to, but may also tell it to hang up, or respond with some error message. """ log = logging.getLogger("proxy") bytes_received = len(data) parser = HttpParser() bytes_parsed = parser.execute(data, bytes_received) if bytes_parsed != bytes_received: return {'close': 'HTTP/1.0 400 Bad Request\r\n\r\nParse error'} if not parser.is_headers_complete(): if bytes_received > MAX_HEADER_LENGTH: return { 'close': 'HTTP/1.0 400 Bad Request\r\n' '\r\nHeaders are too large' } return None headers = parser.get_headers() # the hostname may be in the form of hostname:port, in which case we want # to discard the port, and route just on hostname route_host = headers.get('HOST', None) if route_host: match = _HOST_PORT_REGEXP.match(route_host) if match: route_host = match.group(1) try: log.debug("Routing %r" % (parser.get_url(), )) return _ROUTER.route(route_host, parser.get_method(), parser.get_path(), parser.get_query_string()) except Exception, err: log.error("error routing %r, %s" % ( parser.get_url(), traceback.format_exc(), )) gevent.sleep(ERROR_DELAY) return { 'close': 'HTTP/1.0 502 Gateway Error\r\n' '\r\nError routing request' }
class HttpStream(object): """ An HTTP parser providing higher-level access to a readable, sequential io.RawIOBase object. You can use implementions of http_parser.reader (IterReader, StringReader, SocketReader) or create your own. """ def __init__(self, stream, kind=HTTP_BOTH, decompress=False): """ constructor of HttpStream. :attr stream: an io.RawIOBase object :attr kind: Int, could be 0 to parseonly requests, 1 to parse only responses or 2 if we want to let the parser detect the type. """ self.parser = HttpParser(kind=kind, decompress=decompress) self.stream = stream def _check_headers_complete(self): if self.parser.is_headers_complete(): return while True: try: next(self) except StopIteration: if self.parser.is_headers_complete(): return raise NoMoreData("Can't parse headers") if self.parser.is_headers_complete(): return def _wait_status_line(self, cond): if self.parser.is_headers_complete(): return True data = [] if not cond(): while True: try: d = next(self) data.append(d) except StopIteration: if self.parser.is_headers_complete(): return True raise BadStatusLine(b"".join(data)) if cond(): return True return True def _wait_on_url(self): return self._wait_status_line(self.parser.get_url) def _wait_on_status(self): return self._wait_status_line(self.parser.get_status_code) def url(self): """ get full url of the request """ self._wait_on_url() return self.parser.get_url() def path(self): """ get path of the request (url without query string and fragment """ self._wait_on_url() return self.parser.get_path() def query_string(self): """ get query string of the url """ self._wait_on_url() return self.parser.get_query_string() def fragment(self): """ get fragment of the url """ self._wait_on_url() return self.parser.get_fragment() def version(self): self._wait_on_status() return self.parser.get_version() def status_code(self): """ get status code of a response as integer """ self._wait_on_status() return self.parser.get_status_code() def status(self): """ return complete status with reason """ status_code = self.status_code() reason = status_reasons.get(int(status_code), 'unknown') return "%s %s" % (status_code, reason) def method(self): """ get HTTP method as string""" self._wait_on_status() return self.parser.get_method() def headers(self): """ get request/response headers, headers are returned in a OrderedDict that allows you to get value using insensitive keys.""" self._check_headers_complete() return self.parser.get_headers() def should_keep_alive(self): """ return True if the connection should be kept alive """ self._check_headers_complete() return self.parser.should_keep_alive() def is_chunked(self): """ return True if Transfer-Encoding header value is chunked""" self._check_headers_complete() return self.parser.is_chunked() def wsgi_environ(self, initial=None): """ get WSGI environ based on the current request. :attr initial: dict, initial values to fill in environ. """ self._check_headers_complete() return self.parser.get_wsgi_environ() def body_file(self, buffering=None, binary=True, encoding=None, errors=None, newline=None): """ return the body as a buffered stream object. If binary is true an io.BufferedReader will be returned, else an io.TextIOWrapper. """ self._check_headers_complete() if buffering is None: buffering = -1 if buffering < 0: buffering = DEFAULT_BUFFER_SIZE raw = HttpBodyReader(self) buf = BufferedReader(raw, buffering) if binary: return buf text = TextIOWrapper(buf, encoding, errors, newline) return text def body_string(self, binary=True, encoding=None, errors=None, newline=None): """ return body as string """ return self.body_file(binary=binary, encoding=encoding, newline=newline).read() def __iter__(self): return self def __next__(self): if self.parser.is_message_complete(): raise StopIteration # fetch data b = bytearray(DEFAULT_BUFFER_SIZE) recved = self.stream.readinto(b) if recved is None: raise NoMoreData("no more data") del b[recved:] to_parse = bytes(b) # parse data nparsed = self.parser.execute(to_parse, recved) if nparsed != recved and not self.parser.is_message_complete(): raise ParserError("nparsed != recved (%s != %s) [%s]" % (nparsed, recved, bytes_to_str(to_parse))) if recved == 0: raise StopIteration return to_parse next = __next__
class HTTPProtocol(FlowControlMixin, asyncio.Protocol): def __init__(self, stream_reader, callback, loop=None): super().__init__(loop=loop) self._stream_reader = stream_reader self._stream_writer = None self._callback = callback self._task = None self._server = None def connection_made(self, transport): self._parser = HttpParser() self._stream_reader.set_transport(transport) self._stream_writer = asyncio.StreamWriter( transport, self, self._stream_reader, self._loop, ) # Grab the name of our socket if we have it self._server = transport.get_extra_info("sockname") def connection_lost(self, exc): if exc is None: self._stream_reader.feed_eof() else: self._stream_reader.set_exception(exc) super().connection_lost(exc) def data_received(self, data): # Parse our incoming data with our HTTP parser self._parser.execute(data, len(data)) # If we have not already handled the headers and we've gotten all of # them, then invoke the callback with the headers in them. if self._task is None and self._parser.is_headers_complete(): coro = self.dispatch( { "server": self._server, "protocol": b"HTTP/" + b".".join( str(x).encode("ascii") for x in self._parser.get_version() ), "method": self._parser.get_method().encode("latin1"), "path": self._parser.get_path().encode("latin1"), "query": self._parser.get_query_string().encode("latin1"), "headers": self._parser.get_headers(), }, self._stream_reader, self._stream_writer, ) self._task = asyncio.Task(coro, loop=self._loop) # Determine if we have any data in the body buffer and if so feed it # to our StreamReader if self._parser.is_partial_body(): self._stream_reader.feed_data(self._parser.recv_body()) # Determine if we've completed the end of the HTTP request, if we have # then we should close our stream reader because there is nothing more # to read. if self._parser.is_message_complete(): self._stream_reader.feed_eof() def eof_received(self): # We've gotten an EOF from the client, so we'll propagate this to our # StreamReader self._stream_reader.feed_eof() @asyncio.coroutine def dispatch(self, request, request_body, response): # Get the status, headers, and body from the callback. The body must # be iterable, and each item can either be a bytes object, or an # asyncio coroutine, in which case we'll ``yield from`` on it to wait # for it's value. status, resp_headers, body = yield from self._callback( request, request_body, ) # Write out the status line to the client for this request # TODO: We probably don't want to hard code HTTP/1.1 here response.write(b"HTTP/1.1 " + status + b"\r\n") # Write out the headers, taking special care to ensure that any # mandatory headers are added. # TODO: We need to handle some required headers for key, values in resp_headers.items(): # In order to handle headers which need to have multiple values # like Set-Cookie, we allow the value of the header to be an # iterable instead of a bytes object, in which case we'll write # multiple header lines for this header. if isinstance(values, (bytes, bytearray)): values = [values] for value in values: response.write(key + b": " + value + b"\r\n") # Before we get to the body, we need to write a blank line to separate # the headers and the response body response.write(b"\r\n") for chunk in body: # If the chunk is a coroutine, then we want to wait for the result # before we write it. if asyncio.iscoroutine(chunk): chunk = yield from chunk # Write our chunk out to the connect client response.write(chunk) # We've written everything in our iterator, so we want to close the # connection. response.close()
class HttpStream(object): """ An HTTP parser providing higher-level access to a readable, sequential io.RawIOBase object. You can use implementions of http_parser.reader (IterReader, StringReader, SocketReader) or create your own. """ def __init__(self, stream, kind=HTTP_BOTH, decompress=False): """ constructor of HttpStream. :attr stream: an io.RawIOBase object :attr kind: Int, could be 0 to parseonly requests, 1 to parse only responses or 2 if we want to let the parser detect the type. """ self.parser = HttpParser(kind=kind, decompress=decompress) self.stream = stream def _check_headers_complete(self): if self.parser.is_headers_complete(): return while True: try: data = self.next() except StopIteration: if self.parser.is_headers_complete(): return raise NoMoreData() if self.parser.is_headers_complete(): return def url(self): """ get full url of the request """ self._check_headers_complete() return self.parser.get_url() def path(self): """ get path of the request (url without query string and fragment """ self._check_headers_complete() return self.parser.get_path() def query_string(self): """ get query string of the url """ self._check_headers_complete() return self.parser.get_query_string() def fragment(self): """ get fragment of the url """ self._check_headers_complete() return self.parser.get_fragment() def version(self): self._check_headers_complete() return self.parser.get_version() def status_code(self): """ get status code of a response as integer """ self._check_headers_complete() return self.parser.get_status_code() def status(self): """ return complete status with reason """ status_code = self.status_code() reason = status_reasons.get(int(status_code), 'unknown') return "%s %s" % (status_code, reason) def method(self): """ get HTTP method as string""" self._check_headers_complete() return self.parser.get_method() def headers(self): """ get request/response headers, headers are returned in a OrderedDict that allows you to get value using insensitive keys.""" self._check_headers_complete() return self.parser.get_headers() def should_keep_alive(self): """ return True if the connection should be kept alive """ self._check_headers_complete() return self.parser.should_keep_alive() def is_chunked(self): """ return True if Transfer-Encoding header value is chunked""" self._check_headers_complete() return self.parser.is_chunked() def wsgi_environ(self, initial=None): """ get WSGI environ based on the current request. :attr initial: dict, initial values to fill in environ. """ self._check_headers_complete() return self.parser.get_wsgi_environ() def body_file(self, buffering=None, binary=True, encoding=None, errors=None, newline=None): """ return the body as a buffered stream object. If binary is true an io.BufferedReader will be returned, else an io.TextIOWrapper. """ self._check_headers_complete() if buffering is None: buffering = -1 if buffering < 0: buffering = DEFAULT_BUFFER_SIZE raw = HttpBodyReader(self) buffer = BufferedReader(raw, buffering) if binary: return buffer text = TextIOWrapper(buffer, encoding, errors, newline) return text def body_string(self, binary=True, encoding=None, errors=None, newline=None): """ return body as string """ return self.body_file(binary=binary, encoding=encoding, newline=newline).read() def __iter__(self): return self def next(self): if self.parser.is_message_complete(): raise StopIteration # fetch data b = bytearray(DEFAULT_BUFFER_SIZE) recved = self.stream.readinto(b) if recved is None: raise NoMoreData("no more data") del b[recved:] # parse data nparsed = self.parser.execute(bytes(b), recved) if nparsed != recved and not self.parser.is_message_complete(): raise ParserError("nparsed != recved") if recved == 0: raise StopIteration return bytes(b)
def recvrawsocket2(sockobj, address): try: # if 1: # logger.error(sockobj) # logger.debug(dir(sockobj)) request_path = "" body = [] p = HttpParser() seqid = uuid.uuid1() requestdict = dict() requestdict['sock'] = sockobj # requestdatetime = time.strftime('%Y.%m.%d.%H.%M.%S', time.localtime(time.time())) requestdatetime = time.time() requestdict['requestdatetime'] = requestdatetime responsesocketdict[seqid.__str__()] = requestdict # logger.debug("responsesocketdict len = %d", len(responsesocketdict)) while True: request = sockobj.recv(recv_buf_len) # logger.warning("request : %s" % (request)) recved = len(request) # logger.warning("recved : %d" % (recved)) if (recved == 0): logger.warning("socket is closed by peer %r" % (sockobj)) sockobj.close() break nparsed = p.execute(request, recved) # logger.warning("nparsed : %d" % (nparsed)) if nparsed != recved: logger.warning("parse error") sockobj.close() break if p.is_headers_complete(): request_headers = p.get_headers() # for key in request_headers: # logger.debug("headers complete %s" % (request_headers.__str__())) # logger.warning("headers complete") if p.is_partial_body(): body.append(p.recv_body()) # logger.warning("body : %s" % (body)) if p.is_message_complete(): # logger.warning("message complete") break # logger.debug(p.get_method()) # logger.debug(p.get_path()) # logger.debug(p.get_query_string()) routekey = "" servicepath = "" # 如果是/xxx格式认为是route key,如果是/xxx/yyy/zzz格式认为是dest service request_path = p.get_path()[1:] request_pathlist = request_path.split('/') servicename = request_pathlist[0] action_name = '' servicelist = os.listdir('./apps') content = dict() if p.get_method() == 'GET': if servicename == 'showip': sockobj.sendall("HTTP/1.1 200 OK \n\n%s" % (sockobj)) sockobj.shutdown(socket.SHUT_WR) sockobj.close() return if len(request_pathlist) != 2: ret = dict() ret['errcode'] = '40004' ret['errmsg'] = _errmsg['40004'] sockobj.sendall('HTTP/1.1 500 OK\n\n%s' % (json.dumps(ret))) sockobj.shutdown(socket.SHUT_WR) sockobj.close() return action_name = request_pathlist[1] querystring = p.get_query_string() querylist = querystring.split('&') action_body = dict() for query in querylist: kvlist = query.split('=') action_body[kvlist[0]] = ''.join(kvlist[1:]) content['action_cmd'] = action_name content['seq_id'] = str(random.randint(10000, 1000000)) content['body'] = action_body content['version'] = '1.0' else: if len(body) > 0: content = json.loads("".join(body)) # content = "".join(body) # logger.debug("servicename=%s,action_name=%s"%(servicename,action_name)) # logger.debug("content=%r"%(content)) if servicename == 'testurl': sockobj.sendall('HTTP/1.1 200 OK\n\n%s' % (content['body']['signature'])) sockobj.shutdown(socket.SHUT_WR) sockobj.close() return if servicename in servicelist: routekey = "A:Queue:%s" % servicename if servicename in _config: routekey = _config[servicename]['Consumer_Queue_Name'] content['sockid'] = seqid.__str__() content['from'] = selfqueuename _redis.lpush(routekey, json.dumps(content)) else: ret = dict() ret['errcode'] = '40004' ret['errmsg'] = _errmsg['40004'] sockobj.sendall('HTTP/1.1 404 OK\n\n%s' % (json.dumps(ret))) sockobj.shutdown(socket.SHUT_WR) sockobj.close() # requestdict = dict() # requestdict['sock'] = sockobj # requestdatetime = time.strftime( # '%Y.%m.%d.%H.%M.%S', time.localtime(time.time())) # requestdict['requestdatetime'] = requestdatetime # responsesocketdict[seqid.__str__()] = requestdict # sockobj.sendall('HTTP/1.1 200 OK\n\nWelcome %s' % ( # seqid)) # sockobj.close() except Exception as e: logger.error("recvrawsocket2 %s except raised : %s " % (e.__class__, e.args))
def parse(self): data = [{ 'label': '以太网帧头部 / Ethernet Headers', 'value': '', 'bold': True, 'children': [{ 'label': '目的端 MAC 地址', 'value': self.ethHeader.destMac }, { 'label': '发送端 MAC 地址', 'value': self.ethHeader.sourceMac }, { 'label': '帧类型', 'value': '%s (0x%s)' % (self.ethHeader.type, self.ethHeader.type_code) }] }] if self.protocol == 'ARP': data.append({ 'label': 'ARP 消息 / Address Resolution Protocol', 'value': '', 'bold': True, 'children': [{ 'label': '硬件类型', 'value': '%s (%s)' % (self.arpBody.hardware_type, self.arpBody.hardware_type_code) }, { 'label': '协议类型', 'value': '%s (0x%s)' % (self.arpBody.protocol_type, self.arpBody.protocol_type_code) }, { 'label': '硬件地址长度', 'value': str(self.arpBody.hardware_size) }, { 'label': '协议地址长度', 'value': str(self.arpBody.protocol_size) }, { 'label': '操作码', 'value': '%s (%s)' % (self.arpBody.operation, self.arpBody.operation_code) }, { 'label': '发送端 MAC 地址', 'value': self.arpBody.sender_mac_address }, { 'label': '发送端 IP 地址', 'value': self.arpBody.sender_ip_address }, { 'label': '目的端 MAC 地址', 'value': self.arpBody.target_mac_address }, { 'label': '目的端 IP 地址', 'value': self.arpBody.target_ip_address }] }) else: if self.ipHeader.version == 4: self.ipHeader.verifyChecksum = verifyChecksum( self.ipHeader.header_raw, [], '').verifyChecksum data.append({ 'label': 'IPv4 头部 / IPv4 Header', 'value': '', 'bold': True, 'children': [{ 'label': '协议版本', 'value': self.ipHeader.version }, { 'label': '头部长度', 'value': str(self.ipHeader.header_length) + ' Bytes' }, { 'label': '服务类型', 'value': '0x%s' % (self.ipHeader.differentiated_services) }, { 'label': '来源 IP', 'value': self.ipHeader.source_ip }, { 'label': '目标 IP', 'value': self.ipHeader.dest_ip }, { 'label': '总长度', 'value': self.ipHeader.total_length }, { 'label': '标识', 'value': '0x%s (%s)' % (self.ipHeader.identification, self.ipHeader.identification_int) }, { 'label': '标志', 'value': '%s' % (self.ipHeader.flags.raw), 'children': [{ 'label': '保留位', 'value': '%s | %s... .... .... ....' % (self.ipHeader.flags.reserved, int(self.ipHeader.flags.reserved)) }, { 'label': 'Don\'t fragment', 'value': '%s | .%s.. .... .... ....' % (self.ipHeader.flags.fragment, int(self.ipHeader.flags.fragment)) }, { 'label': 'More fragments', 'value': '%s | ..%s. .... .... ....' % (self.ipHeader.flags.more_fragment, int(self.ipHeader.flags.more_fragment)) }, { 'label': '分段偏移', 'value': '%s | ...%s' % (self.ipHeader.flags.fragment_offset, self.ipHeader.flags.fragment_offset_bin) }] }, { 'label': '生存期', 'value': self.ipHeader.time_to_live }, { 'label': '协议', 'value': '%s (%s)' % (self.ipHeader.protocol, self.ipHeader.protocol_code) }, { 'label': '校验和', 'value': '0x%s (%s)' % (self.ipHeader.origin_checksum, '校验' + { True: '通过', False: '失败' }[self.ipHeader.verifyChecksum]) }] }) else: ipv6_header = { 'label': 'IPv6 头部 / IPv6 Header', 'value': '', 'bold': True, 'children': [{ 'label': '协议版本', 'value': self.ipHeader.version }, { 'label': '通信分类', 'value': '0x%s' % (self.ipHeader._class) }, { 'label': '流标签', 'value': '0x%s' % (self.ipHeader.float_label) }, { 'label': '有效载荷长度', 'value': self.ipHeader.payload_length }, { 'label': '下一头部类型', 'value': '%s (%s)' % (self.ipHeader.next_header, self.ipHeader.next_header_code) }, { 'label': '跳数限制', 'value': self.ipHeader.hop_limit }, { 'label': '源 IP', 'value': self.ipHeader.source_ip }, { 'label': '目的 IP', 'value': self.ipHeader.dest_ip }] } for option in self.ipHeader.options: ipv6_header['children'].append({ 'label': consts.protocol_types[str(option['code'])], 'value': '0x' + option['value'], 'children': [{ 'label': '下一头部类型', 'value': '%s (%s)' % (consts.protocol_types[str( option['next_header'])], option['next_header']) }] }) data.append(ipv6_header) if self.ipHeader.version == 4 and self.ipHeader.flags.more_fragment == True: # print('Waiting for more fragments.') ids = self.ip_ids[self.ipHeader.identification_int] slicing = { 'label': 'IP 分片', 'value': '共 %s 个数据包' % len(ids), 'bold': True, 'children': [] } for id in ids: slicing['children'].append({ 'label': '#%s' % id, 'value': '%s Bytes' % (self.ip_packets[id].length / 8) }) data.append(slicing) else: if self.ipHeader.protocol == 'TCP': self.ipBody.tcpHeader.verifyChecksum = verifyChecksum( self.ipBody.parameters[0], self.ipBody.parameters[1], self.ipHeader.protocol).verifyChecksum self.ipBody.tcpHeader.options = tcpOptions( BitArray(self.ipBodyRaw) [160:self.ipBody.tcpHeader.header_length * 8]).options tcp_header = { 'label': 'TCP 头部 / Transmission Control Protocol Header', 'value': '', 'bold': True, 'children': [{ 'label': '源端口', 'value': self.ipBody.tcpHeader.source_port }, { 'label': '目的端口', 'value': self.ipBody.tcpHeader.destination_port }, { 'label': '数据序号 (seq)', 'value': self.ipBody.tcpHeader.sequence_number }, { 'label': '确认序号 (ack)', 'value': self.ipBody.tcpHeader.acknowledge_number }, { 'label': '首部长度', 'value': self.ipBody.tcpHeader.header_length }, { 'label': '标志位', 'value': '0x' + self.ipBody.tcpHeader.flags_raw, 'children': [{ 'label': 'Reserved', 'value': '%s | %s. .... ....' % (self.ipBody.tcpHeader.flags.reserved.uint, self.ipBody.tcpHeader.flags.reserved.bin) }, { 'label': 'Nonce', 'value': '%s | ...%d .... ....' % (self.ipBody.tcpHeader.flags.nonce, self.ipBody.tcpHeader.flags.nonce) }, { 'label': 'Congestion Window Reduced', 'value': '%s | .... %d... ....' % (self.ipBody.tcpHeader.flags.cwr, self.ipBody.tcpHeader.flags.cwr) }, { 'label': 'ECN-Echo', 'value': '%s | .... .%d.. ....' % (self.ipBody.tcpHeader.flags.ecn_echo, self.ipBody.tcpHeader.flags.ecn_echo) }, { 'label': 'Urgent', 'value': '%s | .... ..%d. ....' % (self.ipBody.tcpHeader.flags.urgent, self.ipBody.tcpHeader.flags.urgent) }, { 'label': 'Acknowledgment', 'value': '%s | .... ...%d ....' % (self.ipBody.tcpHeader.flags.acknowledgement, self.ipBody.tcpHeader.flags.acknowledgement) }, { 'label': 'Push', 'value': '%s | .... .... %d...' % (self.ipBody.tcpHeader.flags.push, self.ipBody.tcpHeader.flags.push) }, { 'label': 'Reset', 'value': '%s | .... .... .%d..' % (self.ipBody.tcpHeader.flags.reset, self.ipBody.tcpHeader.flags.reset) }, { 'label': 'Syn', 'value': '%s | .... .... ..%d.' % (self.ipBody.tcpHeader.flags.syn, self.ipBody.tcpHeader.flags.syn) }, { 'label': 'Fin', 'value': '%s | .... .... ...%d' % (self.ipBody.tcpHeader.flags.fin, self.ipBody.tcpHeader.flags.fin) }] }, { 'label': '窗口大小', 'value': self.ipBody.tcpHeader.window_size }, { 'label': '校验和', 'value': '0x%s (%s)' % (self.ipBody.tcpHeader.checksum, '校验' + { True: '通过', False: '失败' }[self.ipBody.tcpHeader.verifyChecksum]) }] } options = [] if self.ipBody.tcpHeader.options: for idx in range(len(self.ipBody.tcpHeader.options)): option = { 'label': self.ipBody.tcpHeader.options[idx][0]['label'], 'value': '(%s)' % self.ipBody.tcpHeader.options[idx][0]['value'], 'children': self.ipBody.tcpHeader.options[idx][1:] } options.append(option) if options: tcp_header['children'].append({ 'label': '选项', 'value': '', 'children': options }) data.append(tcp_header) print(self.id) print(tcp_bodies) if self.id in packet_id_struct: tmp = [] http_payload = None for p_id in packet_id_struct[self.id]: tmp.append({'value': '', 'label': '#%s' % p_id}) if self.id in tcp_bodies: # print(tcp_bodies[self.id]['data'].decode('utf-8', 'ignore')) children = [{ 'label': '该包是 TCP 分段的最后一段, 可以通过右下角按钮「导出 TCP 分段数据」.', 'value': '', 'bold': True }, { 'label': '共 %s 个分段' % len(tmp), 'value': '', 'bold': True, 'children': tmp }] try: p = HttpParser() recved = len(tcp_bodies[self.id]['data']) nparsed = p.execute( tcp_bodies[self.id]['data'], recved) assert nparsed == recved headers = [] for header in p.get_headers(): headers.append({ 'label': header, 'value': p.get_headers()[header] }) print(p.get_path(), p.get_url(), p.get_fragment(), p.get_method(), p.get_query_string(), p.get_status_code(), p.get_wsgi_environ()) http_payload = [{ 'label': 'HTTP 版本', 'value': '%s.%s' % (p.get_version()[0], p.get_version()[1]) }, { 'label': 'HTTP 头部', 'value': '', 'children': headers }] if len(p.get_url()) != 0: http_payload.append({ 'label': '请求方式', 'value': p.get_method() }) http_payload.append({ 'label': '路径', 'value': p.get_url() }) http_payload.append({ 'label': '请求参数', 'value': p.get_query_string() }) http_payload.append({ 'label': '主机名', 'value': p.get_wsgi_environ()['HTTP_HOST'] }) else: http_payload.append({ 'label': '状态码', 'value': p.get_status_code() }) except AssertionError: pass else: children = [{ 'label': '共 %s 个分段' % len(tmp), 'value': '', 'bold': True, 'children': tmp }] data.append({ 'label': 'TCP 数据 / TCP Payload', 'value': '', 'bold': True, 'children': children }) if http_payload != None: data.append({ 'label': 'HTTP 数据 / HTTP Data', 'value': '', 'bold': True, 'children': http_payload }) ''' if self.ipBody.tcpBody.has_body: try: p = HttpParser() recved = len(self.ipBody.tcpBody.buf) nparsed = p.execute(self.ipBody.tcpBody.buf, recved) assert nparsed == recved print(p.get_headers()) except AssertionError: print('NOT HTTP') data.append({ 'label': 'TCP 数据 / Data', 'value': '', 'bold': True, 'children': [ { 'label': '数据', 'value': self.ipBody.tcpBody.raw } ] }) ''' elif self.ipHeader.protocol == 'UDP': self.ipBody.udpHeader.verifyChecksum = verifyChecksum( self.ipBody.parameters[0], self.ipBody.parameters[1], self.ipHeader.protocol).verifyChecksum data.append({ 'label': 'UDP 头部 / User Datagram Protocol Header', 'value': '', 'bold': True, 'children': [{ 'label': '源端口', 'value': self.ipBody.udpHeader.source_port }, { 'label': '目的端口', 'value': self.ipBody.udpHeader.destination_port }, { 'label': '长度', 'value': self.ipBody.udpHeader.length }, { 'label': '校验和', 'value': '0x%s (%s)' % (self.ipBody.udpHeader.checksum, '校验' + { True: '通过', False: '失败' }[self.ipBody.udpHeader.verifyChecksum]) }] }) if self.ipBody.udpHeader.source_port == 53 or self.ipBody.udpHeader.destination_port == 53: # DNS children = [{ 'label': '会话标识', 'value': self.ipBody.dnsBody.transaction_id }, { 'label': '标志', 'value': '0x' + self.ipBody.dnsBody.transaction_id }, { 'label': '问题数', 'value': self.ipBody.dnsBody.questions }, { 'label': '回答资源记录数', 'value': self.ipBody.dnsBody.answer_rrs }, { 'label': '授权资源记录数', 'value': self.ipBody.dnsBody.authority_rrs }, { 'label': '附加资源记录数', 'value': self.ipBody.dnsBody.additional_rrs }] if len(self.ipBody.dnsBody.queries) > 0: queries = [] for query in self.ipBody.dnsBody.queries: queries.append({ 'label': str(query.qname), 'value': '', 'bold': True, 'children': [{ 'label': '域名', 'value': str(query.qname) }, { 'label': 'Type', 'value': '%s (%s)' % (consts.dns_types[query.qtype], query.qtype) }, { 'label': 'Class', 'value': '%s (%s)' % (consts.dns_classes[query.qclass], query.qclass) }] }) children.append({ 'label': '查询问题', 'value': '', 'bold': True, 'children': queries }) if len(self.ipBody.dnsBody.answers) > 0: answers = [] for answer in self.ipBody.dnsBody.answers: answers.append({ 'label': str(answer.rname), 'value': '', 'bold': True, 'children': [{ 'label': '域名', 'value': str(answer.rname) }, { 'label': 'Type', 'value': '%s (%s)' % (consts.dns_types[answer.rtype], answer.rtype) }, { 'label': 'Class', 'value': '%s (%s)' % (consts.dns_classes[answer.rclass], answer.rclass) }, { 'label': '生存时间 (ttl)', 'value': str(answer.ttl) }, { 'label': '数据', 'value': str(answer.rdata) }] }) children.append({ 'label': '回答', 'value': '', 'bold': True, 'children': answers }) data.append({ 'label': 'DNS / Domain Name System', 'value': '', 'bold': True, 'children': children }) elif 'ICMP' in self.ipHeader.protocol: if 'IPv6' in self.ipHeader.protocol: self.ipBody.icmpHeader.verifyChecksum = verifyChecksum( self.ipBody.parameters[0], self.ipBody.parameters[1], self.ipHeader.protocol).verifyChecksum else: self.ipBody.icmpHeader.verifyChecksum = verifyChecksum( self.ipBody.parameters, [], '').verifyChecksum data.append({ 'label': 'ICMP 头部 / Internet Control Message Protocol Headers', 'value': '', 'bold': True, 'children': [{ 'label': '类型', 'value': '%s (%s)' % (self.ipBody.icmpHeader.type, self.ipBody.icmpHeader.type_name) }, { 'label': '代码', 'value': self.ipBody.icmpHeader.code }, { 'label': '校验和', 'value': '0x%s (%s)' % (self.ipBody.icmpHeader.checksum, '校验' + { True: '通过', False: '失败' }[self.ipBody.icmpHeader.verifyChecksum]) }] }) elif 'IGMP' in self.ipHeader.protocol: if self.ipHeader.payload_length == 8: self.ipBody.igmpHeader.verifyChecksum = verifyChecksum( self.ipBody.parameters, [], '').verifyChecksum data.append({ 'label': 'IGMP 头部 / Internet Group Management Protocol Headers', 'value': '', 'bold': True, 'children': [{ 'label': '类型', 'value': '0x%s(%s)' % (self.ipBody.igmpHeader.type, self.ipBody.igmpHeader.type_name) }, { 'label': '最大响应时延', 'value': '%s 秒(0x%s)' % (self.ipBody.igmpHeader.maxRespTime, self.ipBody.igmpHeader.maxRespTimeHex) }, { 'label': '校验和', 'value': '0x%s(%s)' % (self.ipBody.igmpHeader.checksum, '校验' + { True: '通过', False: '失败' }[self.ipBody.igmpHeader.verifyChecksum]) }, { 'label': '组地址', 'value': self.ipBody.igmpHeader.groupAddress }] }) else: self.ipBody.igmpv3Header.verifyChecksum = verifyChecksum( self.ipBody.parameters, [], '').verifyChecksum data.append({ 'label': 'IGMPv3 头部 / Internet Group Management Protocol Version 3 Headers', 'value': '', 'bold': True, 'children': [{ 'label': '类型', 'value': '0x%s' % self.ipBody.igmpv3Header.type }, { 'label': '校验和', 'value': '0x%s(%s)' % (self.ipBody.igmpv3Header.checksum, '校验' + { True: '通过', False: '失败' }[self.ipBody.igmpv3Header.verifyChecksum]) }] }) return data