/usr/share/system-config-printer/troubleshoot/CheckSELinux.py is in system-config-printer-gnome 1.5.7+20160212-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | #!/usr/bin/python3
## Printing troubleshooter
## Copyright (C) 2010, 2014 Red Hat, Inc.
## Copyright (C) 2010 Jiri Popelka <jpopelka@redhat.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.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from gi.repository import Gtk
import subprocess
from .base import *
import os
import shlex
from timedops import TimedSubprocess
class CheckSELinux(Question):
def __init__ (self, troubleshooter):
Question.__init__ (self, troubleshooter, "Check SELinux contexts")
troubleshooter.new_page (Gtk.Label (), self)
def display (self):
self.answers = {}
#answers = self.troubleshooter.answers
RESTORECON = "/sbin/restorecon"
if not os.access (RESTORECON, os.X_OK):
return False
try:
import selinux
except ImportError:
return False
if not selinux.is_selinux_enabled():
return False
paths = ["/etc/cups/", "/usr/lib/cups/", "/usr/share/cups/"]
parent = self.troubleshooter.get_window ()
contexts = {}
new_environ = os.environ.copy()
new_environ['LC_ALL'] = "C"
restorecon_args = [RESTORECON, "-nvR"].extend(paths)
try:
# Run restorecon -nvR
self.op = TimedSubprocess (parent=parent,
args=restorecon_args,
close_fds=True,
env=new_environ,
stdin=subprocess.DEVNULL,
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL)
(restorecon_stdout, restorecon_stderr, result) = self.op.run ()
except:
# Problem executing command.
return False
for line in restorecon_stdout:
l = shlex.split (line)
if (len (l) < 1):
continue
contexts[l[2]] = l[4]
self.answers['selinux_contexts'] = contexts
return False
def collect_answer (self):
return self.answers
def cancel_operation (self):
self.op.cancel ()
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