From 73a9c0902e7c97adf96e735407a75033152c04a9 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Wed, 13 Sep 2017 15:37:11 +0200
Subject: [PATCH 3/4] systemd: Add more filesystem lockdown
We can only access the configuration file as read-only and read-write
to the Bluetooth cache directory and sub-directories.
---
Makefile.am | 2 ++
src/bluetooth.service.in | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/Makefile.am b/Makefile.am
index 1c38d94e5..13ccf9079 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -478,6 +478,8 @@ MAINTAINERCLEANFILES = Makefile.in \
SED_PROCESS = $(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
$(SED) -e 's,@libexecdir\@,$(libexecdir),g' \
+ -e 's,@statedir\@,$(statedir),g' \
+ -e 's,@confdir\@,$(confdir),g' \
< $< > $@
%.service: %.service.in Makefile
diff --git a/src/bluetooth.service.in b/src/bluetooth.service.in
index a6f3030f9..7e55b5043 100644
--- a/src/bluetooth.service.in
+++ b/src/bluetooth.service.in
@@ -17,6 +17,10 @@ LimitNPROC=1
ProtectHome=true
ProtectSystem=full
PrivateTmp=true
+ProtectKernelTunables=true
+ProtectControlGroups=true
+ReadWritePaths=@statedir@
+ReadOnlyPaths=@confdir@
# Privilege escalation
NoNewPrivileges=true
--
2.14.1