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[Jailkit-users] jailkit help with / proc


From: Martin
Subject: [Jailkit-users] jailkit help with / proc
Date: Mon, 02 Nov 2009 11:55:44 +0100
User-agent: Thunderbird 2.0.0.23 (Macintosh/20090812)

Hi,
i have a problem with one of my apps that i am running in jail.
The problem is that when i am running app in jail under jailed user there is no /proc and pid or other things around memory mapping of libs are located in real /proc. Is there a way how to replicate it from real /proc into jailed /proc directory ? Or if it is not possible is there a way how to force apps that running in jail to store proc informations to /home/jail/proc instead of real /proc ?

(the app is using /proc/<pid>/maps to locate where the libraries of app(that running in jail) is loaded into memory)
ie.:
cat /proc/703/maps
...
b7ef5000-b7f18000 r-xp 00000000 08:01 2412543 /home/jail/lib/tls/i686/cmov/libm-2.3.6.so b7f18000-b7f1a000 rwxp 00022000 08:01 2412543 /home/jail/lib/tls/i686/cmov/libm-2.3.6.so
..

and my app need 7f18000-b7f1a000 information from this /proc/<pid>/maps file.

Thanks for any help.

Martin




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