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Re: [Jailkit-users] [Fwd: Trouble with perl program on Gentoo Linux]
From: |
Stephen Tallowitz |
Subject: |
Re: [Jailkit-users] [Fwd: Trouble with perl program on Gentoo Linux] |
Date: |
Mon, 20 Mar 2006 21:24:29 +0100 |
Hello John,
I like a challenge and so I've tried getting test.pl to work on my system in a
jail. I've succeeded and this is how I did it:
jk_init /srv/jailtest/ uidbasic
jk_cp -v /srv/jailtest/ /bin/bash
# create jailuser with login shell /bin/bash, copy test.pl to users' directory
and change test.pl permissions and mode bits
# then create a perl binary package using quickpkg from gentoolkit (gentoo
specific) and install that package in the jail directory.
# Users of other distributions may want to consult their distributors' manuals
to find out how to install a package to a second location in the filetree
quickpkg perl
tar -xvjf /usr/portage/packages/All/perl-5.8.7-r3.tbz2 -C /srv/jailtest/
# install different, missing libraries (see messages when trying to run
# test.pl):
jk_cp -v /srv/jailtest/ /lib/libxyz.so.x
# install missing executables:
jk_cp -v /srv/jailtest/ /bin/dirname
jk_cp -v /srv/jailtest/ /bin/pwd
jk_cp -v /srv/jailtest/ /bin/basename
# "login" to jail and execute script
su - jailuser
./test.pl
output:
bash-3.00$ ./test.pl
$0: ./test.pl
pgm: not_set
working_dir: not_set
$0: ./test.pl
pgm: test.pl
working_dir: /home/jailtest1
Cheers,
Stephen
On Fri, 17 Mar 2006 12:16:14 -0500
"John R Larsen" wrote:
> I'm still having the same problem, but I've tried some things in an attempt
> to isolate the problem. I
> downloaded the sources for perl 5.8.8 and built it locally. It passes all
> the tests. I then installed it to
> /usr/local/bin.. Next I used tar to copy the /usr/local/bin, /usr/local/lib,
> and /usr/local/man directories into
> the jail. This insures that symbolic links and files in the directory trees
> are faithfully copied into the jail.
>
> I still get the same errors when executing the test program in the jail. The
> fork call declares errors like
> the following:
>
> fork(Can't exec "dirname": No such file or directory at ./test.pl line 12.
> ) = 11246
>
> The test program works fine when executed outside the jail.
>
> Has anyone else solved similar problems with perl in a jail?