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djberg96 (2603)

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Journal of djberg96 (2603)

Monday September 15, 2003
11:41 AM

More /proc info

[ #14719 ]
Someone on IRC was kind enough to provide me with an account on an OpenBSD machine so I could toy with porting some of my code. I decided to start with reading process information.

Things haven't worked out so well. Some admins unmount /proc (or never mount it in the first place) as a security precaution. I'm not sure what this protects the system from given that ps is still available, but then I'm not a hacker.

So, reading from /proc is out. The next plan was to use the kvm libs, which looked simple enough. Unfortunately, attempting to use kvm_open() fails with "/dev/mem: Permission denied". So, if an admin is security conscious enough to disable /proc, they're probably going to prevent the use of kvm as well.

What I don't know is whether or not this is a typical setup for OpenBSD. I can always resort to parsing 'ps' - NOT.

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