OLD | NEW |
| (Empty) |
1 #!/usr/bin/env python | |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 """Mock pref pane for testing purpose on Mac.""" | |
7 | |
8 import Foundation | |
9 import os | |
10 import signal | |
11 import subprocess | |
12 import sys | |
13 import tempfile | |
14 import time | |
15 | |
16 | |
17 class MockPrefPane(object): | |
18 """Mock Pref Pane to enable/disable/changepin without system prompt. | |
19 | |
20 This only applies to Mac. | |
21 """ | |
22 | |
23 def __init__(self): | |
24 self._service_name = 'org.chromium.chromoting' | |
25 self._real_user_id = os.getuid() | |
26 self._config_file = os.path.join(tempfile.gettempdir(), | |
27 '%s.json' % self._service_name) | |
28 self._tool_script = '/Library/PrivilegedHelperTools/%s.me2me.sh' % \ | |
29 self._service_name | |
30 | |
31 def _GetJobPid(self): | |
32 """Gets the org.chromium.chromoting job id.""" | |
33 process = subprocess.Popen(['launchctl', 'list'], stdout=subprocess.PIPE) | |
34 pid = None | |
35 for line in process.stdout: | |
36 # Format is: | |
37 # 12345 - my.job (if my.job is running, number is job's PID) | |
38 # - 0 my.other.job (if my.other.job is not running) | |
39 fields = line.strip().split('\t') | |
40 if fields[2] == self._service_name and fields[0] != "-": | |
41 pid = fields[0] | |
42 break | |
43 process.wait() | |
44 return pid | |
45 | |
46 def Enable(self): | |
47 """Handles what pref pane does for enabling connection.""" | |
48 # Elevate privileges, otherwise tool_script executes with EUID != 0. | |
49 os.setuid(0) | |
50 subprocess.call([self._tool_script, '--enable'], | |
51 stdin=open(self._config_file)) | |
52 | |
53 # Drop privileges, start the launchd job as the logged-in user. | |
54 os.setuid(self._real_user_id) | |
55 subprocess.call(['launchctl', 'start', self._service_name]) | |
56 | |
57 # Starting a launchd job is an asynchronous operation that typically takes | |
58 # a couple of seconds, so poll until the job has started. | |
59 for _ in range(1, 10): | |
60 if self._GetJobPid(): | |
61 print '*** org.chromium.chromoting is running ***' | |
62 break | |
63 time.sleep(2) | |
64 | |
65 def Disable(self): | |
66 """Handles what pref pane does for disabling connection.""" | |
67 # Elevate privileges, otherwise tool_script executes with EUID != 0. | |
68 os.setuid(0) | |
69 subprocess.call([self._tool_script, '--disable'], | |
70 stdin=open(self._config_file)) | |
71 | |
72 # Drop privileges, stop the launchd job as the logged-in user. | |
73 os.setuid(self._real_user_id) | |
74 subprocess.call(['launchctl', 'stop', self._service_name]) | |
75 | |
76 # Stopping a launchd job is an asynchronous operation that typically takes | |
77 # a couple of seconds, so poll until the job has stopped. | |
78 for _ in range(1, 10): | |
79 if not self._GetJobPid(): | |
80 print '*** org.chromium.chromoting is not running ***' | |
81 break | |
82 time.sleep(2) | |
83 | |
84 def ChangePin(self): | |
85 """Handles what pref pane does for changing pin.""" | |
86 # Elevate privileges, otherwise tool_script executes with EUID != 0. | |
87 os.setuid(0) | |
88 subprocess.call([self._tool_script, '--save-config'], | |
89 stdin=open(self._config_file)) | |
90 | |
91 # Drop privileges and send SIGHUP to org.chromium.chromoting | |
92 os.setuid(self._real_user_id) | |
93 os.kill(int(self._GetJobPid()), signal.SIGHUP) | |
94 | |
95 def NotifyWebapp(self): | |
96 """Notifies the web app that pref pane operation is done.""" | |
97 notif_center = Foundation.NSDistributedNotificationCenter.defaultCenter() | |
98 notif_center.postNotificationName_object_userInfo_( | |
99 self._service_name + '.update_succeeded', None, None) | |
100 | |
101 | |
102 def Main(): | |
103 """Handles the mock pref pane actions.""" | |
104 assert sys.platform.startswith('darwin') | |
105 | |
106 print '*** Started mock pref pane ***' | |
107 print '*** EUID=%d, UID=%d ***' % (os.geteuid(), os.getuid()) | |
108 | |
109 pref_pane = MockPrefPane() | |
110 | |
111 if sys.argv[1] == 'enable': | |
112 pref_pane.Enable() | |
113 elif sys.argv[1] == 'disable': | |
114 pref_pane.Disable() | |
115 elif sys.argv[1] == 'changepin': | |
116 pref_pane.ChangePin() | |
117 else: | |
118 print >>sys.stderr, 'Invalid syntax' | |
119 return | |
120 | |
121 pref_pane.NotifyWebapp() | |
122 | |
123 | |
124 if __name__ == '__main__': | |
125 Main() | |
126 | |
OLD | NEW |