Mercurial > dropbear

annotate test/test_dropbear.py @ 1862:6f265a35159a

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Fix -Wexpansion-to-defined failure on clang (failure introduced in previous re-exec commit)
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:23:06 +0800
parents e0c1825c567d
children b550845e500b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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60 class HandleTcp(socketserver.ThreadingMixIn, socketserver.TCPServer):
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61 """ Listens for a single incoming request, sends a response if given,
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62 and returns the inbound data.
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63 Reponse can be a queue object, in which case each item in the queue will
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64 be sent as a response, until it receives a None item.
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65 """
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66 def __init__(self, port, timeout, response=None):
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67 super().__init__(('localhost', port), self.Handler)
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68 self.port = port
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69 self.timeout = timeout
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70 self.response = response
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71 self.sink = None
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72
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73 class Handler(socketserver.StreamRequestHandler):
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74 def handle(self):
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75 if isinstance(self.server.response, queue.Queue):
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76 while True:
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77 i = self.server.response.get()
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78 if i is None:
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79 break
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80 self.wfile.write(i)
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81 elif self.server.response:
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82 self.wfile.write(self.server.response)
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83 assert self.server.sink is None, ">1 request sent to handler"
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84 self.server.sink = self.rfile.read()
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85
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86 def __enter__(self):
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87 self.server_thread = threading.Thread(target=self.serve_forever)
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88 self.server_thread.daemon = True
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89 self.server_thread.start()
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90 return self
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91
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92 def __exit__(self, *exc_stuff):
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93 self.shutdown()
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94 self.server_thread.join()
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95
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96 def inbound(self):
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97 """ Returns the data sent to the socket """
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98 return self.sink
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99
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100 def readall_socket(sock):
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101 b = []
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102 while True:
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103 i = sock.recv(4096)
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104 if not i:
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105 break
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106 b.append(i)
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107 return b''.join(b)
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108
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109 # returns a str
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110 def random_alnum(size):
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111 r = os.urandom(500 + size*5)
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112 return bytes(i for i in r if bytes((i,)).isalnum())[:size].decode()
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113
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114