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#!/usr/bin/python
'''apport hook for dhcp server
(c) 2010 Canonical Ltd.
Author: Chuck Short <chuck.short@canonical.com>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version. See http://www.gnu.org/copyleft/gpl.html for
the full text of the license.
'''
from apport.hookutils import *
from os import path
import re
def dhcp_leases(pattern):
''' Extract options from '/var/lib/dhcp/dhcpd.leases' which match a regex.
pattern should be a "re" object. '''
lines = ""
if os.path.exists('/var/lib/dhcp/dhcpd.leases'):
file = '/var/lib/dhcp/dhcpd.leases'
else:
return lines
for line in open(file):
if pattern.search(line):
lines += line
return lines
def recent_kernlog(pattern):
'''Extract recent messages from kern.log or message which match a regex.
pattern should be a "re" object. '''
lines = ''
if os.path.exists('/var/log/kern.log'):
file = '/var/log/kern.log'
elif os.path.exists('/var/log/messages'):
file = '/var/log/messages'
else:
return lines
for line in open(file):
if pattern.search(line):
lines += line
return lines
def recent_auditlog(pattern):
'''Extract recent messages from kern.log or message which match a regex.
pattern should be a "re" object. '''
lines = ''
if os.path.exists('/var/log/audit/audit.log'):
file = '/var/log/audit/audit.log'
else:
return lines
for line in open(file):
if pattern.search(line):
lines += line
return lines
def add_info(report, ui):
response = ui.yesno("The contents of your /etc/dhcp/dhclient.conf file may help developers diagnose your bug more quickly, however, it may contain sensitive information. Do you want to include it in your bug report?")
if response == None: #user cancelled
raise StopIteration
elif response == True:
attach_file_if_exists(report, '/etc/dhcp/dhcpd.conf', 'DHCPServerConf')
# get apparmor stuff, copied from libvirt-bin.py
# runs hooks via attach_related packages
attach_file(report, '/proc/version_signature', 'ProcVersionSignature')
attach_file(report, '/proc/cmdline', 'ProcCmdLine')
attach_related_packages(report, ['apparmor', 'libapparmor1',
'libapparmor-perl', 'apparmor-utils', 'auditd', 'libaudit0'])
sec_re = re.compile('audit\(|apparmor|selinux|security', re.IGNORECASE)
report['KernLog'] = recent_kernlog(sec_re)
attach_file(report, '/etc/apparmor.d/usr.sbin.dhcpd')
if os.path.exists("/var/log/audit"):
# this needs to be run as root
report['AuditLog'] = recent_auditlog(sec_re)
leases = re.compile('option|renew|rebind|expire', re.IGNORECASE)
report['DhServerLeases'] = dhcp_leases(leases)
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