137 lines
5 KiB
Python
137 lines
5 KiB
Python
#!/usr/bin/python
|
|
|
|
import dbus
|
|
import dbus.service
|
|
import dbus.mainloop.glib
|
|
from gi.repository import GObject
|
|
import slip.dbus.service
|
|
from slip.dbus import polkit
|
|
import os
|
|
import selinux
|
|
from subprocess import Popen, PIPE, STDOUT
|
|
|
|
|
|
class selinux_server(slip.dbus.service.Object):
|
|
default_polkit_auth_required = "org.selinux.semanage"
|
|
|
|
def __init__(self, *p, **k):
|
|
super(selinux_server, self).__init__(*p, **k)
|
|
|
|
#
|
|
# The semanage method runs a transaction on a series of semanage commands,
|
|
# these commnds can take the output of customized
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.semanage")
|
|
@dbus.service.method("org.selinux", in_signature='s')
|
|
def semanage(self, buf):
|
|
p = Popen(["/usr/sbin/semanage", "import"], stdout=PIPE, stderr=PIPE, stdin=PIPE)
|
|
p.stdin.write(buf)
|
|
output = p.communicate()
|
|
if p.returncode and p.returncode != 0:
|
|
raise dbus.exceptions.DBusException(output[1])
|
|
|
|
#
|
|
# The customized method will return all of the custommizations for policy
|
|
# on the server. This output can be used with the semanage method on
|
|
# another server to make the two systems have duplicate policy.
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.customized")
|
|
@dbus.service.method("org.selinux", in_signature='', out_signature='s')
|
|
def customized(self):
|
|
p = Popen(["/usr/sbin/semanage", "export"], stdout=PIPE, stderr=PIPE)
|
|
buf = p.stdout.read()
|
|
output = p.communicate()
|
|
if p.returncode and p.returncode != 0:
|
|
raise OSError("Failed to read SELinux configuration: %s", output)
|
|
return buf
|
|
|
|
#
|
|
# The semodule_list method will return the output of semodule -l, using the customized polkit,
|
|
# since this is a readonly behaviour
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.semodule_list")
|
|
@dbus.service.method("org.selinux", in_signature='', out_signature='s')
|
|
def semodule_list(self):
|
|
p = Popen(["/usr/sbin/semodule", "-l"], stdout=PIPE, stderr=PIPE)
|
|
buf = p.stdout.read()
|
|
output = p.communicate()
|
|
if p.returncode and p.returncode != 0:
|
|
raise OSError("Failed to list SELinux modules: %s", output)
|
|
return buf
|
|
|
|
#
|
|
# The restorecon method modifies any file path to the default system label
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.restorecon")
|
|
@dbus.service.method("org.selinux", in_signature='s')
|
|
def restorecon(self, path):
|
|
selinux.restorecon(str(path), recursive=1)
|
|
|
|
#
|
|
# The setenforce method turns off the current enforcement of SELinux
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.setenforce")
|
|
@dbus.service.method("org.selinux", in_signature='i')
|
|
def setenforce(self, value):
|
|
selinux.security_setenforce(value)
|
|
|
|
#
|
|
# The setenforce method turns off the current enforcement of SELinux
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.relabel_on_boot")
|
|
@dbus.service.method("org.selinux", in_signature='i')
|
|
def relabel_on_boot(self, value):
|
|
if value == 1:
|
|
fd = open("/.autorelabel", "w")
|
|
fd.close()
|
|
else:
|
|
os.unlink("/.autorelabel")
|
|
|
|
def write_selinux_config(self, enforcing=None, policy=None):
|
|
path = selinux.selinux_path() + "config"
|
|
backup_path = path + ".bck"
|
|
fd = open(path)
|
|
lines = fd.readlines()
|
|
fd.close()
|
|
fd = open(backup_path, "w")
|
|
for l in lines:
|
|
if enforcing and l.startswith("SELINUX="):
|
|
fd.write("SELINUX=%s\n" % enforcing)
|
|
continue
|
|
if policy and l.startswith("SELINUXTYPE="):
|
|
fd.write("SELINUXTYPE=%s\n" % policy)
|
|
continue
|
|
fd.write(l)
|
|
fd.close()
|
|
os.rename(backup_path, path)
|
|
|
|
#
|
|
# The change_default_enforcement modifies the current enforcement mode
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.change_default_mode")
|
|
@dbus.service.method("org.selinux", in_signature='s')
|
|
def change_default_mode(self, value):
|
|
values = ["enforcing", "permissive", "disabled"]
|
|
if value not in values:
|
|
raise ValueError("Enforcement mode must be %s" % ", ".join(values))
|
|
self.write_selinux_config(enforcing=value)
|
|
|
|
#
|
|
# The change_default_policy method modifies the policy type
|
|
#
|
|
@slip.dbus.polkit.require_auth("org.selinux.change_default_policy")
|
|
@dbus.service.method("org.selinux", in_signature='s')
|
|
def change_default_policy(self, value):
|
|
path = selinux.selinux_path() + value
|
|
if os.path.isdir(path):
|
|
return self.write_selinux_config(policy=value)
|
|
raise ValueError("%s does not exist" % path)
|
|
|
|
if __name__ == "__main__":
|
|
mainloop = GObject.MainLoop()
|
|
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
|
|
system_bus = dbus.SystemBus()
|
|
name = dbus.service.BusName("org.selinux", system_bus)
|
|
object = selinux_server(system_bus, "/org/selinux/object")
|
|
slip.dbus.service.set_mainloop(mainloop)
|
|
mainloop.run()
|