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