[Exherbo-dev] Do we really need addpredict?
polatel at gmail.com
Fri Aug 21 22:16:49 BST 2009
Ingmar Vanhassel yazmış:
> Excerpts from Ali Polatel's message of Fri Aug 21 22:47:29 +0200 2009:
> > $subject says it all.
> > Do we really need addpredict? If so why?
> > Currently there are two places where it's used.
> On top of that there're 5 packages in official repositories that still
> use addpredict. Those would need to be fixed.
Yes you're right, I've missed them.
I'll start fixing them right away replacing the valid ones with sydbox
> > The first place is the default_src_test which adds "/" to
> > predict prefixes. The reasons for this is historical. Removing it
> > doesn't seem to make more tests fail. Although I must admit I haven't
> > tried to build all tree with this disabled.
> > The second place is scm-cvs exlib. Here it's only used to suppress an
> > access violation but sydbox master has support for access violation
> > hooks which are just used for this purpose. Here's how you can use them
> > to suppress an access violation:
> > cat >syd.hook <<EOF # Such hooks will usually end up in $FILES
> > echo "Pid: $1"
> > echo "System call name: $2"
> > echo "Path that caused the access violation: $3"
> > if [[ "$2" == open && "$3" == "/etc/passwd" ]]; then
> > exit 1 # Hook returning non-zero prevents the access violation
> > # from being raised. The access is _still_ denied though.
> > fi
> > EOF
> > chmod +x syd.hook
> > sydboxcmd addhook "$(pwd)"/syd.hook # I'll probably add an addhook
> > # command, that's aliased to this.
> > [run the stuff that raises the useless access violation here]
> > sydboxcmd rmhook "$(pwd)"/syd.hook # And an rmhook command as well.
> > So we have no use cases left for addpredict.
> > Please start whining or I'll remove addpredict soonish.
> No objections, once packages using it are fixed not to need it anymore.
> Exherbo KDE, X.org maintainer
> Exherbo-dev mailing list
> Exherbo-dev at lists.exherbo.org
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