On Mon, Sep 22, 2008 at 7:05 AM, Kris van Rens <krisvanrens.list@xxxxxxxxx> wrote: > Hi there, > > Due to a problem I've had in a program, I pose the question described below. > > I have an application that uses the proc filesystem to gather > information about the local network interfaces. Those functions check > proc/net for _not_ being a symlink; this could possibly mean a > rerouted directory (with malicious intentions). > > Allthough, as of Linux-2.6.25, the proc/net directory has been > assigned being a pointer to proc/self/net and my program fails. I now > either have to remove the link-check or alternatively implement my > function (by means of IOCTL's for example). > > I was wondering; isn't it dangerous to do this? I'm not sure whether > it is actually doable to reroute proc/* directories/files...What's > your thought? > > Thanks in advance, > > Kris > afaik you can't create new files or links on /proc, so I don't think you have to worry about malicious files on /proc. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
