hackenv_applylabels

#!/usr/bin/env bash

set -o errexit
set -o errtrace

datahome="${XDG_DATA_HOME:-$HOME/.local/share}"
datahome="$datahome/hackenv"

shared="$(realpath "$datahome/shared")"

printf "Applying SELinux labels...\n" >&2

if ! command -v semanage &> /dev/null; then
	printf "SELinux coreutils binaries could not be found.\n" >&2
	if command -v yum &> /dev/null; then
		printf "Try 'sudo yum -y install policycoreutils-python-utils'\nthen try again." >&2
	else
		printf "Exiting.\n" >&2 && exit 0
	fi
fi

printf "Setting permissions for shared directory...\n" >&2

mkdir -p "$shared"
chmod 770 "$shared"
sudo semanage fcontext "$shared(/.*)?" --deleteall
sudo semanage fcontext -a -t svirt_image_t "$shared(/.*)?"
sudo restorecon -vrF "$shared"

find "$datahome" -maxdepth 1 -type f -name '*.iso' | while read -r image; do
	if ! [ -f "$image" ]; then
		continue
	fi

	printf "Setting permissions for image %s...\n" "$(basename "$image")" >&2

	sudo semanage fcontext "$image" --deleteall
	sudo semanage fcontext -a -t svirt_image_t "$image"
	sudo restorecon -vF "$image"
done