221 lines
7.7 KiB
Python
221 lines
7.7 KiB
Python
# statusPage.py - show selinux status
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## Copyright (C) 2006-2009 Red Hat, Inc.
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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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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## 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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## Author: Dan Walsh
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import string
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import gtk
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import gtk.glade
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import os
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import gobject
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import sys
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import tempfile
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import selinux
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INSTALLPATH = '/usr/share/system-config-selinux'
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sys.path.append(INSTALLPATH)
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try:
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from subprocess import getstatusoutput
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except ImportError:
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from commands import getstatusoutput
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ENFORCING = 1
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PERMISSIVE = 0
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DISABLED = -1
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modearray = ("disabled", "permissive", "enforcing")
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SELINUXDIR = "/etc/selinux/"
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RELABELFILE = "/.autorelabel"
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##
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## I18N
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##
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PROGNAME = "policycoreutils"
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try:
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import gettext
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kwargs = {}
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if sys.version_info < (3,):
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kwargs['unicode'] = True
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gettext.install(PROGNAME,
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localedir="/usr/share/locale",
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codeset='utf-8',
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**kwargs)
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except:
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try:
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import builtins
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builtins.__dict__['_'] = str
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except ImportError:
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import __builtin__
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__builtin__.__dict__['_'] = unicode
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class statusPage:
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def __init__(self, xml):
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self.xml = xml
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self.needRelabel = False
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self.type = selinux.selinux_getpolicytype()
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# Bring in widgets from glade file.
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self.typeHBox = xml.get_widget("typeHBox")
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self.selinuxTypeOptionMenu = xml.get_widget("selinuxTypeOptionMenu")
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self.typeLabel = xml.get_widget("typeLabel")
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self.enabledOptionMenu = xml.get_widget("enabledOptionMenu")
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self.currentOptionMenu = xml.get_widget("currentOptionMenu")
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self.relabel_checkbutton = xml.get_widget("relabelCheckbutton")
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self.relabel_checkbutton.set_active(self.is_relabel())
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self.relabel_checkbutton.connect("toggled", self.on_relabel_toggle)
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if self.get_current_mode() == ENFORCING or self.get_current_mode() == PERMISSIVE:
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self.currentOptionMenu.append_text(_("Permissive"))
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self.currentOptionMenu.append_text(_("Enforcing"))
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self.currentOptionMenu.set_active(self.get_current_mode())
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self.currentOptionMenu.connect("changed", self.set_current_mode)
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self.currentOptionMenu.set_sensitive(True)
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else:
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self.currentOptionMenu.append_text(_("Disabled"))
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self.currentOptionMenu.set_active(0)
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self.currentOptionMenu.set_sensitive(False)
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if self.read_selinux_config() == None:
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self.selinuxsupport = False
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else:
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self.enabledOptionMenu.connect("changed", self.enabled_changed)
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#
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# This line must come after read_selinux_config
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#
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self.selinuxTypeOptionMenu.connect("changed", self.typemenu_changed)
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self.typeLabel.set_mnemonic_widget(self.selinuxTypeOptionMenu)
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def use_menus(self):
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return False
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def get_description(self):
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return _("Status")
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def get_current_mode(self):
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if selinux.is_selinux_enabled():
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if selinux.security_getenforce() > 0:
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return ENFORCING
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else:
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return PERMISSIVE
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else:
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return DISABLED
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def set_current_mode(self, menu):
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selinux.security_setenforce(menu.get_active() == 1)
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def is_relabel(self):
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return os.access(RELABELFILE, os.F_OK) != 0
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def on_relabel_toggle(self, button):
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if button.get_active():
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fd = open(RELABELFILE, "w")
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fd.close()
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else:
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if os.access(RELABELFILE, os.F_OK) != 0:
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os.unlink(RELABELFILE)
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def verify(self, message):
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dlg = gtk.MessageDialog(None, 0, gtk.MESSAGE_INFO,
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gtk.BUTTONS_YES_NO,
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message)
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dlg.set_position(gtk.WIN_POS_MOUSE)
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dlg.show_all()
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rc = dlg.run()
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dlg.destroy()
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return rc
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def typemenu_changed(self, menu):
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type = self.get_type()
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enabled = self.enabledOptionMenu.get_active()
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if self.initialtype != type:
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if self.verify(_("Changing the policy type will cause a relabel of the entire file system on the next boot. Relabeling takes a long time depending on the size of the file system. Do you wish to continue?")) == gtk.RESPONSE_NO:
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menu.set_active(self.typeHistory)
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return None
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self.relabel_checkbutton.set_active(True)
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self.write_selinux_config(modearray[enabled], type)
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self.typeHistory = menu.get_active()
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def enabled_changed(self, combo):
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enabled = combo.get_active()
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type = self.get_type()
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if self.initEnabled != DISABLED and enabled == DISABLED:
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if self.verify(_("Changing to SELinux disabled requires a reboot. It is not recommended. If you later decide to turn SELinux back on, the system will be required to relabel. If you just want to see if SELinux is causing a problem on your system, you can go to permissive mode which will only log errors and not enforce SELinux policy. Permissive mode does not require a reboot Do you wish to continue?")) == gtk.RESPONSE_NO:
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combo.set_active(self.enabled)
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return None
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if self.initEnabled == DISABLED and enabled < 2:
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if self.verify(_("Changing to SELinux enabled will cause a relabel of the entire file system on the next boot. Relabeling takes a long time depending on the size of the file system. Do you wish to continue?")) == gtk.RESPONSE_NO:
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combo.set_active(self.enabled)
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return None
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self.relabel_checkbutton.set_active(True)
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self.write_selinux_config(modearray[enabled], type)
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self.enabled = enabled
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def write_selinux_config(self, enforcing, type):
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path = selinux.selinux_path() + "config"
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backup_path = path + ".bck"
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fd = open(path)
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lines = fd.readlines()
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fd.close()
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fd = open(backup_path, "w")
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for l in lines:
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if l.startswith("SELINUX="):
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fd.write("SELINUX=%s\n" % enforcing)
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continue
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if l.startswith("SELINUXTYPE="):
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fd.write("SELINUXTYPE=%s\n" % type)
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continue
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fd.write(l)
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fd.close()
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os.rename(backup_path, path)
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def read_selinux_config(self):
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self.initialtype = selinux.selinux_getpolicytype()[1]
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try:
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self.initEnabled = selinux.selinux_getenforcemode()[1]
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except:
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self.initEnabled = False
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pass
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self.enabled = self.initEnabled
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self.enabledOptionMenu.set_active(self.enabled + 1)
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self.types = []
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n = 0
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current = n
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for i in os.listdir(SELINUXDIR):
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if os.path.isdir(SELINUXDIR + i) and os.path.isdir(SELINUXDIR + i + "/policy"):
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self.types.append(i)
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self.selinuxTypeOptionMenu.append_text(i)
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if i == self.initialtype:
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current = n
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n = n + 1
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self.selinuxTypeOptionMenu.set_active(current)
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self.typeHistory = current
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return 0
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def get_type(self):
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return self.types[self.selinuxTypeOptionMenu.get_active()]
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