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Old 27th May 2009
Dr_Death_UAE's Avatar
Dr_Death_UAE Dr_Death_UAE is offline
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Join Date: Jul 2008
Posts: 9
Default chroot jail FreeBSD "su: who are you?"

Hello, i create chroot jail every thing fine but when i try to login with the jailed user with su i got:
su: who are you?
from the logs:

May 27 15:33:28 h4x0r sudo: r0x : TTY=ttyp0 ; PWD=/ ; USER=root ; COMMAND=/usr/sbin/chroot /home/jail /usr/bin/su - r0x
from visudo:
r0x ALL=NOPASSWD: /usr/sbin/chroot, /usr/bin/su - r0x
from "/home/jail/etc/passwd":
r0x:*:1003:1003:User &:/home/r0x:/usr/local/bin/bash
from "/etc/passwd":
r0x:*:1003:1003:User &:/home/jail/home/r0x:/bin/chroot-shell
the "chroot-shell" include:
#!/usr/bin/env sh
/usr/local/bin/sudo /usr/sbin/chroot /home/jail /usr/bin/su - $USER "$@"
i use the same methods with linux systems it work fine, i use pwd_mkdb to update the master.passwd on the jail:
pwd_mkdb -d /home/jail/etc/ /home/jail/etc/master.passwd
but still the same. i read that i need to use rssh as the shell instead of bash shell.
Theory is when you know all and nothing works.
Practice is when all works and nobody knows why.
In this case we have put together theory and practice: nothing works... and nobody knows why!
(Albert Einstein)
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