1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3set -e 4if [ `id -u` -ne 0 ]; then 5 echo "$0: must be root to install the selinux policy" 6 exit 1 7fi 8 9SF=`which setfiles` 10if [ $? -eq 1 ]; then 11 echo "Could not find setfiles" 12 echo "Do you have policycoreutils installed?" 13 exit 1 14fi 15 16CP=`which checkpolicy` 17if [ $? -eq 1 ]; then 18 echo "Could not find checkpolicy" 19 echo "Do you have checkpolicy installed?" 20 exit 1 21fi 22VERS=`$CP -V | awk '{print $1}'` 23 24ENABLED=`which selinuxenabled` 25if [ $? -eq 1 ]; then 26 echo "Could not find selinuxenabled" 27 echo "Do you have libselinux-utils installed?" 28 exit 1 29fi 30 31if selinuxenabled; then 32 echo "SELinux is already enabled" 33 echo "This prevents safely relabeling all files." 34 echo "Boot with selinux=0 on the kernel command-line or" 35 echo "SELINUX=disabled in /etc/selinux/config." 36 exit 1 37fi 38 39cd mdp 40./mdp -m policy.conf file_contexts 41$CP -U allow -M -o policy.$VERS policy.conf 42 43mkdir -p /etc/selinux/dummy/policy 44mkdir -p /etc/selinux/dummy/contexts/files 45 46echo "__default__:user_u:s0" > /etc/selinux/dummy/seusers 47echo "base_r:base_t:s0" > /etc/selinux/dummy/contexts/failsafe_context 48echo "base_r:base_t:s0 base_r:base_t:s0" > /etc/selinux/dummy/default_contexts 49cat > /etc/selinux/dummy/contexts/x_contexts <<EOF 50client * user_u:base_r:base_t:s0 51property * user_u:object_r:base_t:s0 52extension * user_u:object_r:base_t:s0 53selection * user_u:object_r:base_t:s0 54event * user_u:object_r:base_t:s0 55EOF 56touch /etc/selinux/dummy/contexts/virtual_domain_context 57touch /etc/selinux/dummy/contexts/virtual_image_context 58 59cp file_contexts /etc/selinux/dummy/contexts/files 60cp dbus_contexts /etc/selinux/dummy/contexts 61cp policy.$VERS /etc/selinux/dummy/policy 62FC_FILE=/etc/selinux/dummy/contexts/files/file_contexts 63 64if [ ! -d /etc/selinux ]; then 65 mkdir -p /etc/selinux 66fi 67if [ -f /etc/selinux/config ]; then 68 echo "/etc/selinux/config exists, moving to /etc/selinux/config.bak." 69 mv /etc/selinux/config /etc/selinux/config.bak 70fi 71echo "Creating new /etc/selinux/config for dummy policy." 72cat > /etc/selinux/config << EOF 73SELINUX=permissive 74SELINUXTYPE=dummy 75EOF 76 77cd /etc/selinux/dummy/contexts/files 78$SF -F file_contexts / 79 80mounts=`cat /proc/$$/mounts | \ 81 egrep "ext[234]|jfs|xfs|reiserfs|jffs2|gfs2|btrfs|f2fs|ocfs2" | \ 82 awk '{ print $2 '}` 83$SF -F file_contexts $mounts 84 85echo "-F" > /.autorelabel 86