This file is indexed.

/usr/bin/python2-wsdump is in python-websocket 0.44.0-0ubuntu2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
#!/usr/bin/python

import argparse
import code
import sys
import threading
import time
import ssl

import six
from six.moves.urllib.parse import urlparse

import websocket

try:
    import readline
except ImportError:
    pass


def get_encoding():
    encoding = getattr(sys.stdin, "encoding", "")
    if not encoding:
        return "utf-8"
    else:
        return encoding.lower()


OPCODE_DATA = (websocket.ABNF.OPCODE_TEXT, websocket.ABNF.OPCODE_BINARY)
ENCODING = get_encoding()


class VAction(argparse.Action):

    def __call__(self, parser, args, values, option_string=None):
        if values is None:
            values = "1"
        try:
            values = int(values)
        except ValueError:
            values = values.count("v") + 1
        setattr(args, self.dest, values)


def parse_args():
    parser = argparse.ArgumentParser(description="WebSocket Simple Dump Tool")
    parser.add_argument("url", metavar="ws_url",
                        help="websocket url. ex. ws://echo.websocket.org/")
    parser.add_argument("-p", "--proxy",
                        help="proxy url. ex. http://127.0.0.1:8080")
    parser.add_argument("-v", "--verbose", default=0, nargs='?', action=VAction,
                        dest="verbose",
                        help="set verbose mode. If set to 1, show opcode. "
                        "If set to 2, enable to trace  websocket module")
    parser.add_argument("-n", "--nocert", action='store_true',
                        help="Ignore invalid SSL cert")
    parser.add_argument("-r", "--raw", action="store_true",
                        help="raw output")
    parser.add_argument("-s", "--subprotocols", nargs='*',
                        help="Set subprotocols")
    parser.add_argument("-o", "--origin",
                        help="Set origin")
    parser.add_argument("--eof-wait", default=0, type=int,
                        help="wait time(second) after 'EOF' received.")
    parser.add_argument("-t", "--text",
                        help="Send initial text")
    parser.add_argument("--timings", action="store_true",
                        help="Print timings in seconds")
    parser.add_argument("--headers",
                        help="Set custom headers. Use ',' as separator")

    return parser.parse_args()


class RawInput:

    def raw_input(self, prompt):
        if six.PY3:
            line = input(prompt)
        else:
            line = raw_input(prompt)

        if ENCODING and ENCODING != "utf-8" and not isinstance(line, six.text_type):
            line = line.decode(ENCODING).encode("utf-8")
        elif isinstance(line, six.text_type):
            line = line.encode("utf-8")

        return line


class InteractiveConsole(RawInput, code.InteractiveConsole):

    def write(self, data):
        sys.stdout.write("\033[2K\033[E")
        # sys.stdout.write("\n")
        sys.stdout.write("\033[34m< " + data + "\033[39m")
        sys.stdout.write("\n> ")
        sys.stdout.flush()

    def read(self):
        return self.raw_input("> ")


class NonInteractive(RawInput):

    def write(self, data):
        sys.stdout.write(data)
        sys.stdout.write("\n")
        sys.stdout.flush()

    def read(self):
        return self.raw_input("")


def main():
    start_time = time.time()
    args = parse_args()
    if args.verbose > 1:
        websocket.enableTrace(True)
    options = {}
    if args.proxy:
        p = urlparse(args.proxy)
        options["http_proxy_host"] = p.hostname
        options["http_proxy_port"] = p.port
    if args.origin:
        options["origin"] = args.origin
    if args.subprotocols:
        options["subprotocols"] = args.subprotocols
    opts = {}
    if args.nocert:
        opts = {"cert_reqs": ssl.CERT_NONE, "check_hostname": False}
    if args.headers:
        options['header'] = map(str.strip, args.headers.split(','))
    ws = websocket.create_connection(args.url, sslopt=opts, **options)
    if args.raw:
        console = NonInteractive()
    else:
        console = InteractiveConsole()
        print("Press Ctrl+C to quit")

    def recv():
        try:
            frame = ws.recv_frame()
        except websocket.WebSocketException:
            return websocket.ABNF.OPCODE_CLOSE, None
        if not frame:
            raise websocket.WebSocketException("Not a valid frame %s" % frame)
        elif frame.opcode in OPCODE_DATA:
            return frame.opcode, frame.data
        elif frame.opcode == websocket.ABNF.OPCODE_CLOSE:
            ws.send_close()
            return frame.opcode, None
        elif frame.opcode == websocket.ABNF.OPCODE_PING:
            ws.pong(frame.data)
            return frame.opcode, frame.data

        return frame.opcode, frame.data

    def recv_ws():
        while True:
            opcode, data = recv()
            msg = None
            if six.PY3 and opcode == websocket.ABNF.OPCODE_TEXT and isinstance(data, bytes):
                data = str(data, "utf-8")
            if not args.verbose and opcode in OPCODE_DATA:
                msg = data
            elif args.verbose:
                msg = "%s: %s" % (websocket.ABNF.OPCODE_MAP.get(opcode), data)

            if msg is not None:
                if args.timings:
                    console.write(str(time.time() - start_time) + ": " + msg)
                else:
                    console.write(msg)

            if opcode == websocket.ABNF.OPCODE_CLOSE:
                break

    thread = threading.Thread(target=recv_ws)
    thread.daemon = True
    thread.start()

    if args.text:
        ws.send(args.text)

    while True:
        try:
            message = console.read()
            ws.send(message)
        except KeyboardInterrupt:
            return
        except EOFError:
            time.sleep(args.eof_wait)
            return


if __name__ == "__main__":
    try:
        main()
    except Exception as e:
        print(e)