/usr/share/jockey/handlers/madwifi.py is in jockey-common 0.9.7-0ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author: Martin Pitt <martin.pitt@ubuntu.com>
# License: GPL v2 or later
import logging, subprocess, os.path
from jockey.oslib import OSLib
from jockey.handlers import Handler, KernelModuleHandler
# dummy stub for xgettext
def _(x): return x
class MadwifiHandler(KernelModuleHandler):
'''Handler for the Madwifi driver.
The free ath5k driver should work with most Atheros cards nowadays, but on
some models madwifi still works better (or at all). This driver (ath_pci)
should be disabled by default by blacklisting it in self.blacklist_file.
'''
def __init__(self, ui):
KernelModuleHandler.__init__(self, ui, 'ath_pci',
name=_('Alternate Atheros "madwifi" driver'),
description=_('Alternate "madwifi" driver for Atheros wireless LAN cards.'),
rationale=_('Only activate this driver if you have problems '
'with your wireless LAN connection.\n\n'
'The free "ath5k" driver should work with most '
'Atheros cards nowadays, but on some computers this '
'alternate (but proprietary) driver still works better, '
'or at all.'))
self._free = False
# do not announce this if ath5k works
self.announce = not self.module_loaded('ath5k')
self.blacklist_file = os.path.join(os.path.dirname(
OSLib.inst.module_blacklist_file), 'blacklist-ath_pci.conf')
def can_change(self):
if not os.path.exists(self.blacklist_file):
return _('You removed the configuration file %s') % self.blacklist_file
return None
def enable(self):
Handler.enable(self)
self._update_blacklist('ath5k')
subprocess.call([OSLib.inst.modprobe_path, self.module])
self.read_loaded_modules()
return self.rebind(self.module)
def disable(self):
self._update_blacklist(self.module)
self.read_loaded_modules()
Handler.disable(self)
return False
def _update_blacklist(self, module):
'''Update self.blacklist_file to blacklist given module.'''
logging.debug('MadwifiHandler._update_blacklist(%s)' % module)
lines = []
f = open(self.blacklist_file)
for l in f:
if l.startswith('blacklist '):
l = 'blacklist %s\n' % module
lines.append(l)
f.close()
f = open(self.blacklist_file + '.new', 'w')
for l in lines:
f.write(l)
f.close()
os.rename(self.blacklist_file + '.new', self.blacklist_file)
OSLib.inst._load_module_blacklist()
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