Mercurial > dropbear
annotate test/test_dropbear.py @ 1863:b550845e500b
Use venv for test_aslr
Otherwise we can't find the psutil dependency
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 30 Jan 2022 13:37:20 +0800 |
parents | e0c1825c567d |
children | 49ce974c3215 |
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1 import subprocess |
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2 import os |
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3 import pty |
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4 import tempfile |
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5 import logging |
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6 import time |
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7 import socketserver |
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8 import threading |
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9 import queue |
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10 |
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11 import pytest |
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12 |
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13 LOCALADDR="127.0.5.5" |
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14 |
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15 @pytest.fixture(scope="module") |
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16 def dropbear(request): |
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17 opt = request.config.option |
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18 if opt.remote: |
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19 yield None |
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20 return |
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21 |
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22 args = [opt.dropbear, |
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23 "-p", LOCALADDR, # bind locally only |
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24 "-r", opt.hostkey, |
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25 "-p", opt.port, |
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26 "-F", "-E", |
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27 ] |
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28 p = subprocess.Popen(args, stderr=subprocess.PIPE, text=True) |
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29 # Wait until it has started listening |
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30 for l in p.stderr: |
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31 if "Not backgrounding" in l: |
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32 break |
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33 # Check it's still running |
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34 assert p.poll() is None |
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35 # Ready |
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36 yield p |
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37 p.terminate() |
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38 print("Terminated dropbear. Flushing output:") |
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39 for l in p.stderr: |
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40 print(l.rstrip()) |
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41 print("Done") |
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42 |
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43 def dbclient(request, *args, **kwargs): |
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44 opt = request.config.option |
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45 host = opt.remote or LOCALADDR |
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46 base_args = [opt.dbclient, "-y", host, "-p", opt.port] |
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47 if opt.user: |
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48 full_args.extend(['-l', opt.user]) |
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49 full_args = base_args + list(args) |
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50 bg = kwargs.get("background") |
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51 if "background" in kwargs: |
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52 del kwargs["background"] |
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53 if bg: |
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54 return subprocess.Popen(full_args, **kwargs) |
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55 else: |
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56 kwargs.setdefault("timeout", 10) |
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57 # wait for response |
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58 return subprocess.run(full_args, **kwargs) |
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59 |
1863 | 60 def own_venv_command(): |
61 """ Returns a command to run as a prefix to get the same venv | |
62 as the current running Python. Returns '' on not a virtualenv | |
63 """ | |
64 try: | |
65 print(os.environ) | |
66 venv = os.environ['VIRTUAL_ENV'] | |
67 print(venv) | |
68 except KeyError: | |
69 return "" | |
70 | |
71 # note: bash/zsh unix specific | |
72 return f"source {venv}/bin/activate" | |
73 | |
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74 class HandleTcp(socketserver.ThreadingMixIn, socketserver.TCPServer): |
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75 """ Listens for a single incoming request, sends a response if given, |
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76 and returns the inbound data. |
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77 Reponse can be a queue object, in which case each item in the queue will |
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78 be sent as a response, until it receives a None item. |
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79 """ |
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80 def __init__(self, port, timeout, response=None): |
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81 super().__init__(('localhost', port), self.Handler) |
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82 self.port = port |
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83 self.timeout = timeout |
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84 self.response = response |
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85 self.sink = None |
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86 |
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87 class Handler(socketserver.StreamRequestHandler): |
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88 def handle(self): |
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89 if isinstance(self.server.response, queue.Queue): |
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90 while True: |
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91 i = self.server.response.get() |
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92 if i is None: |
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93 break |
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94 self.wfile.write(i) |
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95 elif self.server.response: |
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96 self.wfile.write(self.server.response) |
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97 assert self.server.sink is None, ">1 request sent to handler" |
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98 self.server.sink = self.rfile.read() |
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99 |
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100 def __enter__(self): |
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101 self.server_thread = threading.Thread(target=self.serve_forever) |
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102 self.server_thread.daemon = True |
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103 self.server_thread.start() |
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104 return self |
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105 |
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106 def __exit__(self, *exc_stuff): |
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107 self.shutdown() |
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108 self.server_thread.join() |
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109 |
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110 def inbound(self): |
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111 """ Returns the data sent to the socket """ |
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112 return self.sink |
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113 |
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114 def readall_socket(sock): |
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115 b = [] |
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116 while True: |
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117 i = sock.recv(4096) |
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118 if not i: |
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119 break |
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120 b.append(i) |
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121 return b''.join(b) |
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122 |
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123 # returns a str |
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124 def random_alnum(size): |
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125 r = os.urandom(500 + size*5) |
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126 return bytes(i for i in r if bytes((i,)).isalnum())[:size].decode() |
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127 |
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128 |