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Re: [Xen-devel] [Qemu-devel] [PATCH 10/16] os-posix: Provide new -runas <uid>:<gid> facility

Ian Jackson <ian.jackson@xxxxxxxxxxxxx> writes:

> This allows the caller to specify a uid and gid to use, even if there
> is no corresponding password entry.  This will be useful in certain
> Xen configurations.
> We don't support just -runas <uid> because: (i) deprivileging without
> calling setgroups would be ineffective (ii) given only a uid we don't
> know what gid we ought to use (since uids may eppear in multiple
> passwd file entries with different gids).
> Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> CC: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> CC: Markus Armbruster <armbru@xxxxxxxxxx>
> CC: Daniel P. Berrange <berrange@xxxxxxxxxx>
> CC: Michael Tokarev <mjt@xxxxxxxxxx>

Reviewed-by: Markus Armbruster <armbru@xxxxxxxxxx>

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