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#!/usr/bin/env python
# example helloworld.py
import xcb
import xcb.xproto
import xcb.xselinux
import pygtk
pygtk.require('2.0')
import gtk
class CursorControl:
def delete_event(self, widget, event, data=None):
gtk.main_quit()
return False
def destroy(self, widget, data=None):
gtk.main_quit()
def error_dialog(self, msg):
dialog = gtk.MessageDialog(self.window,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR,
gtk.BUTTONS_OK,
msg)
dialog.show()
dialog.run()
dialog.destroy()
def relabel(self, devid, ctx):
cookie = self.conn.selinux.SetDeviceContextChecked(devid, len(ctx), ctx)
try:
cookie.check()
except xcb.ProtocolException, error:
self.error_dialog("Failed to relabel device to %s:\n%s" % (ctx, error.__class__.__name__))
except:
self.error_dialog("Failed to relabel device to %s:\nUnexpected error" % ctx)
def clicked(self, widget, label):
if widget.get_active():
if label == "Master":
self.relabel(2, "staff_u:staff_r:xserver_t:s0-s0:c0.c1023")
self.relabel(3, "staff_u:staff_r:xserver_t:s0-s0:c0.c1023")
elif label == "High":
self.relabel(2, "staff_u:staff_r:high_xdevice_t:s0-s0:c0.c1023")
self.relabel(3, "staff_u:staff_r:high_xdevice_t:s0-s0:c0.c1023")
elif label == "Medium":
self.relabel(2, "staff_u:staff_r:med_xdevice_t:s0-s0:c0.c1023")
self.relabel(3, "staff_u:staff_r:med_xdevice_t:s0-s0:c0.c1023")
elif label == "Low":
self.relabel(2, "staff_u:staff_r:low_xdevice_t:s0-s0:c0.c1023")
self.relabel(3, "staff_u:staff_r:low_xdevice_t:s0-s0:c0.c1023")
def __init__(self):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.vbox = gtk.VBox()
self.window.add(self.vbox)
self.window.connect("delete_event", self.delete_event)
self.window.connect("destroy", self.destroy)
self.window.set_border_width(10)
# Set up XCB
self.conn = xcb.connect()
self.conn.selinux = self.conn(xcb.xselinux.key)
# Set up radio buttons
radio = gtk.RadioButton(label="Master")
group = radio
radio.connect("clicked", self.clicked, "Master")
self.vbox.pack_start(radio)
radio = gtk.RadioButton(group=group, label="High")
radio.connect("clicked", self.clicked, "High")
self.vbox.pack_start(radio)
radio = gtk.RadioButton(group=group, label="Medium")
radio.connect("clicked", self.clicked, "Medium")
self.vbox.pack_start(radio)
radio = gtk.RadioButton(group=group, label="Low")
radio.connect("clicked", self.clicked, "Low")
self.vbox.pack_start(radio)
self.window.show_all()
def main(self):
gtk.main()
if __name__ == "__main__":
control = CursorControl()
control.main()
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