From 13a348670fef0047555395ce6977e86e0005f8bd Mon Sep 17 00:00:00 2001 From: Bastien Nocera 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 | 3 +++ src/bluetooth.service.in | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/Makefile.am b/Makefile.am index ac88c12e0..0a6d09847 100644 --- a/Makefile.am +++ b/Makefile.am @@ -562,6 +562,9 @@ MAINTAINERCLEANFILES = Makefile.in \ SED_PROCESS = $(AM_V_GEN)$(MKDIR_P) $(dir $@) && \ $(SED) -e 's,@pkglibexecdir\@,$(pkglibexecdir),g' \ + -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 7c2f60bb4..4daedef2a 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 -- 2.21.0