scripts/selinux/install_policy.sh

Source file repositories/reference/linux-study-clean/scripts/selinux/install_policy.sh

File Facts

System
Linux kernel
Corpus path
scripts/selinux/install_policy.sh
Extension
.sh
Size
2236 bytes
Lines
82
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: scripts
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
set -e
if [ `id -u` -ne 0 ]; then
	echo "$0: must be root to install the selinux policy"
	exit 1
fi

SF=`which setfiles` || {
	echo "Could not find setfiles"
	echo "Do you have policycoreutils installed?"
	exit 1
}

CP=`which checkpolicy` || {
	echo "Could not find checkpolicy"
	echo "Do you have checkpolicy installed?"
	exit 1
}
VERS=`$CP -V | awk '{print $1}'`

ENABLED=`which selinuxenabled` || {
	echo "Could not find selinuxenabled"
	echo "Do you have libselinux-utils installed?"
	exit 1
}

if selinuxenabled; then
    echo "SELinux is already enabled"
    echo "This prevents safely relabeling all files."
    echo "Boot with selinux=0 on the kernel command-line."
    exit 1
fi

cd mdp
./mdp -m policy.conf file_contexts
$CP -U allow -M -o policy.$VERS policy.conf

mkdir -p /etc/selinux/dummy/policy
mkdir -p /etc/selinux/dummy/contexts/files

echo "__default__:user_u:s0" > /etc/selinux/dummy/seusers
echo "base_r:base_t:s0" > /etc/selinux/dummy/contexts/failsafe_context
echo "base_r:base_t:s0 base_r:base_t:s0" > /etc/selinux/dummy/default_contexts
cat > /etc/selinux/dummy/contexts/x_contexts <<EOF
client * user_u:base_r:base_t:s0
property * user_u:object_r:base_t:s0
extension * user_u:object_r:base_t:s0
selection * user_u:object_r:base_t:s0
event * user_u:object_r:base_t:s0
EOF
touch /etc/selinux/dummy/contexts/virtual_domain_context
touch /etc/selinux/dummy/contexts/virtual_image_context

cp file_contexts /etc/selinux/dummy/contexts/files
cp dbus_contexts /etc/selinux/dummy/contexts
cp policy.$VERS /etc/selinux/dummy/policy
FC_FILE=/etc/selinux/dummy/contexts/files/file_contexts

if [ ! -d /etc/selinux ]; then
	mkdir -p /etc/selinux
fi
if [ -f /etc/selinux/config ]; then
    echo "/etc/selinux/config exists, moving to /etc/selinux/config.bak."
    mv /etc/selinux/config /etc/selinux/config.bak
fi
echo "Creating new /etc/selinux/config for dummy policy."
cat > /etc/selinux/config << EOF
SELINUX=permissive
SELINUXTYPE=dummy

Annotation

Implementation Notes