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Add default policy for qubes.VMRootShell service

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Marek Marczykowski-Górecki 2017-08-06 12:50:17 +02:00
parent 0cd25b5350
commit 5d0a2fe463
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3 changed files with 23 additions and 0 deletions
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1
Makefile
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@ -157,6 +157,7 @@ endif
cp qubes-rpc-policy/qubes.OpenInVM.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.OpenInVM
cp qubes-rpc-policy/qubes.OpenURL.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.OpenURL
cp qubes-rpc-policy/qubes.VMShell.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.VMShell
cp qubes-rpc-policy/qubes.VMRootShell.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.VMRootShell
cp qubes-rpc-policy/qubes.NotifyUpdates.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.NotifyUpdates
cp qubes-rpc-policy/qubes.NotifyTools.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.NotifyTools
cp qubes-rpc-policy/qubes.GetImageRGBA.policy $(DESTDIR)/etc/qubes-rpc/policy/qubes.GetImageRGBA

21
qubes-rpc-policy/qubes.VMRootShell.policy Normal file
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@ -0,0 +1,21 @@
## Note that policy parsing stops at the first match.
## Add ",user=root" to any ask or allow rules.
## Please use a single # to start your custom comments
$anyvm $anyvm deny
# WARNING: The qubes.VMRootShell service is dangerous and there are really few
# cases when it could be safely used. Especially when policy set to "ask" you
# have no way to know for sure what command(s) will be called. Compromissed
# source VM can substitute the command. Allowing one VM to execute
# qubes.VMRootShell over the other VM allows the former to TAKE FULL CONTROL over
# the later. In most cases this is not what we want!
#
# Instead we should be using task-specific qrexec services which provide
# assurance as to what program will be responding to the (untrusted) VM
# requests.
#
# See e.g. this thread for some discussion:
# https://groups.google.com/d/msg/qubes-users/xnAByaL_bjI/3PjYdiTDW-0J
#

1
rpm_spec/core-dom0.spec
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@ -427,6 +427,7 @@ fi
%attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.OpenInVM
%attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.OpenURL
%attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.VMShell
%attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.VMRootShell
%attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.UpdatesProxy
%attr(0664,root,qubes) %config(noreplace) /etc/qubes-rpc/policy/qubes.GetDate
/etc/qubes-rpc/admin.*