86 lines
2.3 KiB
Bash
86 lines
2.3 KiB
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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set -e
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if [ `id -u` -ne 0 ]; then
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echo "$0: must be root to install the selinux policy"
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exit 1
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fi
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SF=`which setfiles`
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if [ $? -eq 1 ]; then
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echo "Could not find setfiles"
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echo "Do you have policycoreutils installed?"
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exit 1
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fi
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CP=`which checkpolicy`
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if [ $? -eq 1 ]; then
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echo "Could not find checkpolicy"
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echo "Do you have checkpolicy installed?"
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exit 1
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fi
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VERS=`$CP -V | awk '{print $1}'`
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ENABLED=`which selinuxenabled`
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if [ $? -eq 1 ]; then
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echo "Could not find selinuxenabled"
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echo "Do you have libselinux-utils installed?"
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exit 1
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fi
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if selinuxenabled; then
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echo "SELinux is already enabled"
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echo "This prevents safely relabeling all files."
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echo "Boot with selinux=0 on the kernel command-line or"
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echo "SELINUX=disabled in /etc/selinux/config."
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exit 1
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fi
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cd mdp
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./mdp -m policy.conf file_contexts
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$CP -U allow -M -o policy.$VERS policy.conf
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mkdir -p /etc/selinux/dummy/policy
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mkdir -p /etc/selinux/dummy/contexts/files
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echo "__default__:user_u:s0" > /etc/selinux/dummy/seusers
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echo "base_r:base_t:s0" > /etc/selinux/dummy/contexts/failsafe_context
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echo "base_r:base_t:s0 base_r:base_t:s0" > /etc/selinux/dummy/default_contexts
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cat > /etc/selinux/dummy/contexts/x_contexts <<EOF
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client * user_u:base_r:base_t:s0
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property * user_u:object_r:base_t:s0
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extension * user_u:object_r:base_t:s0
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selection * user_u:object_r:base_t:s0
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event * user_u:object_r:base_t:s0
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EOF
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touch /etc/selinux/dummy/contexts/virtual_domain_context
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touch /etc/selinux/dummy/contexts/virtual_image_context
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cp file_contexts /etc/selinux/dummy/contexts/files
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cp dbus_contexts /etc/selinux/dummy/contexts
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cp policy.$VERS /etc/selinux/dummy/policy
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FC_FILE=/etc/selinux/dummy/contexts/files/file_contexts
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if [ ! -d /etc/selinux ]; then
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mkdir -p /etc/selinux
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fi
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if [ -f /etc/selinux/config ]; then
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echo "/etc/selinux/config exists, moving to /etc/selinux/config.bak."
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mv /etc/selinux/config /etc/selinux/config.bak
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fi
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echo "Creating new /etc/selinux/config for dummy policy."
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cat > /etc/selinux/config << EOF
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SELINUX=permissive
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SELINUXTYPE=dummy
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EOF
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cd /etc/selinux/dummy/contexts/files
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$SF -F file_contexts /
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mounts=`cat /proc/$$/mounts | \
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grep -E "ext[234]|jfs|xfs|reiserfs|jffs2|gfs2|btrfs|f2fs|ocfs2" | \
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awk '{ print $2 '}`
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$SF -F file_contexts $mounts
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echo "-F" > /.autorelabel
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