[PATCH 7/7] util: Make client-side polkit work even with polkit disabled
Martin Kletzander
mkletzan at redhat.com
Tue Nov 23 11:55:00 UTC 2021
On Mon, Nov 22, 2021 at 10:07:39AM +0000, Daniel P. Berrangé wrote:
>On Mon, Nov 22, 2021 at 11:03:53AM +0100, Martin Kletzander wrote:
>> On Mon, Nov 22, 2021 at 09:23:01AM +0000, Daniel P. Berrangé wrote:
>> > On Sun, Nov 21, 2021 at 12:10:08AM +0100, Martin Kletzander wrote:
>> > > The reason for this is twofold:
>> > >
>> > > - the polkit build option is documented for UNIX socket access checks
>> > >
>> > > - there is no server-side change or dbus call done when enabling this as it only
>> > > starts a polkit agent on the client-side (actually only in virsh) and does not
>> > > need any requirements (starting is skipped if pkttyagent is not installed)
>> > >
>> > > Also move the conditional implementation to the bottom of the file so that it
>> > > does not look like the whole file is build conditionally and the common
>> > > functions are at the top.
>> >
>> > Does this still work correctly on Windows if we try by default ?
>> >
>>
>> Any call to virPolkitAgentAvailable() should return false on Windows
>> unless PKTTYAGENT (/usr/bin/pkttyagent) exists. While thinking about it
>> now I will change that virFileExists() call to virFileIsExecutable() to
>> catch even more possible issues. Anyway since that should return false
>> on Windows (and I hope my presumptions are correct) then
>> virPolkitAgentCreate() should report an error, just like it would
>> without this patch if connecting to polkit-guarded libvirtd socket
>> (e.g. through ssh). It should actually return a better error with this
>> patch applied.
>>
>> And ctermid() is a POSIX function, not sure what that returns on
>> windows, but it should not even get there as the first check is done
>> against the existence/executability of PKTTYAGENT.
>
>ctermid() doesn't exist in Windows, so it shouldn't even compile if we
>try to build with it ! A conditional willbe needed I expect.
>
Yeah, with my limited (and mostly forgotten Windows experience) I was
too much reliant on our builds which all have allow_failure: true for
mingw builds. Sorry for that, I'll fix that up.
>Regards,
>Daniel
>--
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>
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