1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3if [ `id -u` -ne 0 ]; then
4	echo "$0: must be root to install the selinux policy"
5	exit 1
6fi
7SF=`which setfiles`
8if [ $? -eq 1 ]; then
9	if [ -f /sbin/setfiles ]; then
10		SF="/usr/setfiles"
11	else
12		echo "no selinux tools installed: setfiles"
13		exit 1
14	fi
15fi
16
17cd mdp
18
19CP=`which checkpolicy`
20VERS=`$CP -V | awk '{print $1}'`
21
22./mdp policy.conf file_contexts
23$CP -o policy.$VERS policy.conf
24
25mkdir -p /etc/selinux/dummy/policy
26mkdir -p /etc/selinux/dummy/contexts/files
27
28cp file_contexts /etc/selinux/dummy/contexts/files
29cp dbus_contexts /etc/selinux/dummy/contexts
30cp policy.$VERS /etc/selinux/dummy/policy
31FC_FILE=/etc/selinux/dummy/contexts/files/file_contexts
32
33if [ ! -d /etc/selinux ]; then
34	mkdir -p /etc/selinux
35fi
36if [ ! -f /etc/selinux/config ]; then
37	cat > /etc/selinux/config << EOF
38SELINUX=enforcing
39SELINUXTYPE=dummy
40EOF
41else
42	TYPE=`cat /etc/selinux/config | grep "^SELINUXTYPE" | tail -1 | awk -F= '{ print $2 '}`
43	if [ "eq$TYPE" != "eqdummy" ]; then
44		selinuxenabled
45		if [ $? -eq 0 ]; then
46			echo "SELinux already enabled with a non-dummy policy."
47			echo "Exiting.  Please install policy by hand if that"
48			echo "is what you REALLY want."
49			exit 1
50		fi
51		mv /etc/selinux/config /etc/selinux/config.mdpbak
52		grep -v "^SELINUXTYPE" /etc/selinux/config.mdpbak >> /etc/selinux/config
53		echo "SELINUXTYPE=dummy" >> /etc/selinux/config
54	fi
55fi
56
57cd /etc/selinux/dummy/contexts/files
58$SF file_contexts /
59
60mounts=`cat /proc/$$/mounts | egrep "ext2|ext3|xfs|jfs|ext4|ext4dev|gfs2" | awk '{ print $2 '}`
61$SF file_contexts $mounts
62
63
64dodev=`cat /proc/$$/mounts | grep "/dev "`
65if [ "eq$dodev" != "eq" ]; then
66	mount --move /dev /mnt
67	$SF file_contexts /dev
68	mount --move /mnt /dev
69fi
70