Richard W.M. Jones writes:
I suspect there is still a small race window, even if you've got
the
right %post hook.
Does it need to be the same executable? Isn't it sufficient to check
that it's the same user (ie. using SO_PEERCRED):
http://www.perlmonks.org/?node_id=952805
Or perhaps something using SCM_RIGHTS/SCM_CREDENTIALS ...
Well, SCM_RIGHTS/SCM_CREDENTIALS is how you get the peer's pid in the first
place.
This would be an additional check, on top of that.