def connect_n_mount(self):
"""Test ADB Connection."""
self.adb_command(['kill-server'])
self.adb_command(['start-server'])
logger.info('ADB Restarted')
self.wait(2)
logger.info('Connecting to Android %s', self.identifier)
if not self.run_subprocess_verify_output([get_adb(),
'connect',
self.identifier]):
return False
logger.info('Restarting ADB Daemon as root')
if not self.run_subprocess_verify_output([get_adb(),
'-s',
self.identifier,
'root']):
return False
logger.info('Reconnecting to Android Device')
# connect again with root adb
if not self.run_subprocess_verify_output([get_adb(),
'connect',
self.identifier]):
return False
# identify environment
runtime = self.get_environment()
logger.info('Remounting')
# Allow non supported environments also
self.adb_command(['remount'])
logger.info('Performing System check')
if not self.system_check(runtime):
return False
return True
def system_check(self, runtime):
"""Check if /system is writable."""
try:
try:
api = self.get_android_sdk()
if api:
logger.info('Android API Level '
'identified as %s', api)
if int(api) > ANDROID_API_SUPPORTED:
logger.error('This API Level is not supported'
' for Dynamic Analysis.')
return False
except Exception:
pass
err_msg = ('VM\'s /system is not writable. '
'This VM cannot be used for '
'Dynamic Analysis.')
proc = subprocess.Popen([get_adb(),
'-s', self.identifier,
'shell',
'touch',
'/system/test'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
_, stderr = proc.communicate()
if b'Read-only' in stderr:
logger.error(err_msg)
if runtime == 'emulator':
logger.error('Please start the AVD as per '
'MobSF documentation!')
return False
except Exception:
logger.error(err_msg)
return False
return True
def start_frida():
fnull = open(os.devnull, 'w')
argz = [get_adb(),
'-s',
self.identifier,
'shell',
'/system/fd_server']
subprocess.call(argz, stdout=fnull, stderr=subprocess.STDOUT)
def adb_command(self, cmd_list, shell=False, silent=False):
"""ADB Command wrapper."""
args = [get_adb(), '-s', self.identifier]
if shell:
args += ['shell']
args += cmd_list
try:
result = subprocess.check_output(args, stderr=subprocess.STDOUT)
return result
except Exception:
if not silent:
logger.exception('Error Running ADB Command')
return None
def is_mobsfyied(self, android_version):
"""Check is Device is MobSFyed."""
logger.info('Environment MobSFyed Check')
if android_version < 5:
agent_file = '.mobsf-x'
agent_str = self.xposed_str
else:
agent_file = '.mobsf-f'
agent_str = self.frida_str
try:
out = subprocess.check_output([
get_adb(), '-s', self.identifier, 'shell', 'cat',
'/system/' + agent_file
])
if agent_str not in out:
return False
except Exception:
return False
return True
def execute_adb(request, api=False):
"""Execute ADB Commands."""
data = {'status': 'ok', 'message': ''}
cmd = request.POST['cmd']
if cmd:
args = [get_adb(), '-s', get_device()]
try:
proc = subprocess.Popen(args + cmd.split(' '),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = proc.communicate()
except Exception:
logger.exception('Executing ADB Commands')
if stdout or stderr:
out = stdout or stderr
out = out.decode('utf8', 'ignore')
else:
out = ''
data = {'status': 'ok', 'message': out}
return send_response(data, api)
def enable_adb_reverse_tcp(self, version):
"""Enable ADB Reverse TCP for Proxy."""
# Androd 5+ supported
if not version >= 5:
return
proxy_port = settings.PROXY_PORT
logger.info('Enabling ADB Reverse TCP on %s', proxy_port)
tcp = 'tcp:{}'.format(proxy_port)
try:
proc = subprocess.Popen(
[get_adb(), '-s', self.identifier, 'reverse', tcp, tcp],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
_, stderr = proc.communicate()
if b'error: closed' in stderr:
logger.warning('ADB Reverse TCP works only on'
' Android 5.0 and above. Please '
'configure a reachable IP Address'
' in Android proxy settings.')
elif stderr:
logger.error(stderr.decode('utf-8').replace('\n', ''))
except Exception:
logger.exception('Enabling ADB Reverse TCP')
