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service: Enable ProtectHome=true

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We have no business accessing `/var/roothome` or `/var/home`.  In general
the ostree design clearly avoids touching those, but since systemd offers
us easy tools to toggle on protection, let's use them.  In the future
it'd be nice to do something like using `DynamicUser=yes` for the main service,
and have a system `rpm-ostreed-transaction.service` that runs privileged
but as a subprocess.
This commit is contained in:
Colin Walters 2020-11-14 15:08:53 +00:00 committed by OpenShift Merge Robot
parent a76ddf0cef
commit 341ec7d044
1 changed files with 7 additions and 0 deletions
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7
src/daemon/rpm-ostreed.service.in
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@ -8,6 +8,13 @@ Type=dbus
BusName=org.projectatomic.rpmostree1
# To use the read-only sysroot bits
MountFlags=slave
# We have no business accessing /var/roothome or /var/home. In general
# the ostree design clearly avoids touching those, but since systemd offers
# us easy tools to toggle on protection, let's use them. In the future
# it'd be nice to do something like using DynamicUser=yes for the main service,
# and have a system rpm-ostreed-transaction.service that runs privileged
# but as a subprocess.
ProtectHome=true
NotifyAccess=main
@SYSTEMD_ENVIRON@
ExecStart=@bindir@/rpm-ostree start-daemon