[WIP] Fix SELinux permissions

packaging/linux/postinst

@@ -1,5 +1,16 @@
 #!/bin/bash
 
+chmod +x /usr/lib/portmaster/portmaster-core
+
+#
+# Fix selinux permissions for portmaster-core if we have semanage
+# available.
+#
+if command -V semanage >/dev/null 2>&1; then
+    semanage fcontext -a -t bin_t -s system_u $(realpath /usr/lib)'/portmaster/portmaster-core' || :
+    restorecon -R /usr/lib/portmaster/portmaster-core 2>/dev/null >&2 || :
+fi
+
 systemctl daemon-reload
 systemctl enable portmaster.service