77 строки
2.4 KiB
Python
Исполняемый файл
77 строки
2.4 KiB
Python
Исполняемый файл
#!/usr/bin/python2.6
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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from optparse import OptionParser
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import subprocess
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import shutil
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import re
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def find_net_devices():
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p = subprocess.Popen (["lspci", "-mm", "-n"], stdout=subprocess.PIPE)
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result = p.communicate()
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retcode = p.returncode
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if (retcode != 0):
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print "ERROR when executing lspci!"
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raise IOError
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net_devices = set()
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rx_netdev = re.compile (r"^([0-9a-f][0-9a-f]:[0-9a-f][0-9a-f].[0-9]) \"02")
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for dev in str(result[0]).splitlines():
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match = rx_netdev.match (dev)
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if match is not None:
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dev_bdf = match.group(1)
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assert dev_bdf is not None
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net_devices.add (dev_bdf)
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return net_devices
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def main():
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usage = "usage: %prog [options] <netvm-name>"
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parser = OptionParser (usage)
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parser.add_option ("-v", "--verbose", dest="verbose", action="store_true", default=False)
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(options, args) = parser.parse_args ()
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if options.verbose:
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print "Loading Xen PCI Backend..."
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retcode = subprocess.call (["/sbin/modprobe", "xen-pciback"])
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if retcode != 0:
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retcode = subprocess.call (["/sbin/modprobe", "pciback"])
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if retcode != 0:
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print "ERROR: Cannot load xen-pciback module!"
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exit(1)
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if options.verbose:
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print "Unbinding the following net devices:"
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net_devices = find_net_devices()
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for dev in net_devices:
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if options.verbose:
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print "--> {0}".format(dev)
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retcode = subprocess.call (["/usr/lib/qubes/unbind_pci_device.sh", dev])
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if (retcode != 0):
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print "WARNING: Could not unbind device {0}".format(dev)
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main()
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