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1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import android_commands | 5 import android_commands |
6 import constants | 6 import constants |
7 import logging | 7 import logging |
8 import os | 8 import os |
9 import subprocess | 9 import subprocess |
10 import time | 10 import time |
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23 self._fake_dns = None | 23 self._fake_dns = None |
24 self._original_dns = None | 24 self._original_dns = None |
25 | 25 |
26 def _PushAndStartFakeDns(self): | 26 def _PushAndStartFakeDns(self): |
27 """Starts the fake_dns server that replies all name queries 127.0.0.1. | 27 """Starts the fake_dns server that replies all name queries 127.0.0.1. |
28 | 28 |
29 Returns: | 29 Returns: |
30 subprocess instance connected to the fake_dns process on the device. | 30 subprocess instance connected to the fake_dns process on the device. |
31 """ | 31 """ |
32 self._adb.PushIfNeeded( | 32 self._adb.PushIfNeeded( |
33 os.path.join(constants.GetOutDirectory(), 'fake_dns'), | 33 os.path.join(constants.DIR_SOURCE_ROOT, 'out', constants.GetBuildType(), |
| 34 'fake_dns'), |
34 FakeDns._FAKE_DNS_PATH) | 35 FakeDns._FAKE_DNS_PATH) |
35 return subprocess.Popen( | 36 return subprocess.Popen( |
36 ['adb', '-s', self._adb._adb.GetSerialNumber(), | 37 ['adb', '-s', self._adb._adb.GetSerialNumber(), |
37 'shell', '%s -D' % FakeDns._FAKE_DNS_PATH]) | 38 'shell', '%s -D' % FakeDns._FAKE_DNS_PATH]) |
38 | 39 |
39 def SetUp(self): | 40 def SetUp(self): |
40 """Configures the system to point to a DNS server that replies 127.0.0.1. | 41 """Configures the system to point to a DNS server that replies 127.0.0.1. |
41 | 42 |
42 This can be used in combination with the forwarder to forward all web | 43 This can be used in combination with the forwarder to forward all web |
43 traffic to a replay server. | 44 traffic to a replay server. |
44 | 45 |
45 The TearDown() method will perform all cleanup. | 46 The TearDown() method will perform all cleanup. |
46 """ | 47 """ |
47 self._adb.RunShellCommand('ip route add 8.8.8.0/24 via 127.0.0.1 dev lo') | 48 self._adb.RunShellCommand('ip route add 8.8.8.0/24 via 127.0.0.1 dev lo') |
48 self._fake_dns = self._PushAndStartFakeDns() | 49 self._fake_dns = self._PushAndStartFakeDns() |
49 self._original_dns = self._adb.RunShellCommand('getprop net.dns1')[0] | 50 self._original_dns = self._adb.RunShellCommand('getprop net.dns1')[0] |
50 self._adb.RunShellCommand('setprop net.dns1 127.0.0.1') | 51 self._adb.RunShellCommand('setprop net.dns1 127.0.0.1') |
51 time.sleep(2) # Time for server to start and the setprop to take effect. | 52 time.sleep(2) # Time for server to start and the setprop to take effect. |
52 | 53 |
53 def TearDown(self): | 54 def TearDown(self): |
54 """Shuts down the fake_dns.""" | 55 """Shuts down the fake_dns.""" |
55 if self._fake_dns: | 56 if self._fake_dns: |
56 if not self._original_dns or self._original_dns == '127.0.0.1': | 57 if not self._original_dns or self._original_dns == '127.0.0.1': |
57 logging.warning('Bad original DNS, falling back to Google DNS.') | 58 logging.warning('Bad original DNS, falling back to Google DNS.') |
58 self._original_dns = '8.8.8.8' | 59 self._original_dns = '8.8.8.8' |
59 self._adb.RunShellCommand('setprop net.dns1 %s' % self._original_dns) | 60 self._adb.RunShellCommand('setprop net.dns1 %s' % self._original_dns) |
60 self._fake_dns.kill() | 61 self._fake_dns.kill() |
61 self._adb.RunShellCommand('ip route del 8.8.8.0/24 via 127.0.0.1 dev lo') | 62 self._adb.RunShellCommand('ip route del 8.8.8.0/24 via 127.0.0.1 dev lo') |
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