Hi.
Arjan van de Ven wrote:
and chmod o-x bash ....
at which point.. game over.
(and yes you can do in bash pretty much what you can do in perl. heck
you can prove that.. shell is turning complete ;)
Can I do a syscalls from a bash script?
But in any case, I am not going to suggest any
solution against a script-loader - the mmap change
doesn't prevent that too.
Instead I'd like to evaluate a few ideas about an
ld.so problem. One of which is to _enforce_ the "noexec",
just as you asked for. :)
Please have a look at this patch:
http://uwsg.ucs.indiana.edu/hypermail/linux/kernel/0610.0/1402.html
The primary goal is to make access() to respect the "noexec".
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