chroot

create_chrooted_env
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#!/bin/bash

#
# Usage: ./create_chroot_env username
#

# Here specify the apps you want into the enviroment
APPS="/bin/bash /bin/ls /bin/mkdir /bin/mv /bin/pwd /bin/rm /usr/bin/id /bin/cat
/usr/bin/whoami /lib/libnss_ldap.so.2 /lib/libnss_dns.so.2
/lib/libnss_files.so.2 /usr/bin/cvs"

# Sanity check
if [ "$1" = "" ] ; then
    echo "Usage: ./create_chroot_env <chroot-directory>"
    exit
fi

HOMEDIR=$1
cd $HOMEDIR

# Create Directories no one will do it for you
mkdir home
mkdir etc
mkdir bin
mkdir usr
mkdir usr/bin

mkdir tmp
chmod 777 tmp

# Creating /dev/null
mkdir dev
mknod dev/null c 1 3

# Add some users to ./etc/passwd
grep /etc/passwd -e "^root" > etc/passwd
grep /etc/group -e "^root" -e "^staff" > etc/group

# Make simple /usr/bin/groups script
echo "#!/bin/bash" >> ./usr/bin/groups
echo "id -Gn" >> ./usr/bin/groups
chmod 755 ./usr/bin/groups

# Copy the apps and the related libs
for prog in $APPS;  do
    cp $prog ./$prog
   
    # obtain a list of related libraryes
    ldd $prog > /dev/null
    if [ "$?" = 0 ] ; then
   
        LIBS=`ldd $prog | awk '{ print $3 }'`
        for l in $LIBS; do
            mkdir ./`dirname $l` > /dev/null 2>&1
            cp $l ./$l
        done
    fi
done

# Noch n paar Sachen für Pam und ldap
cp -r /lib/security ./lib/

cp /etc/libnss-ldap.conf ./etc/
cp /etc/nsswitch.conf   ./etc/
cp /etc/pam_ldap.conf   ./etc/
cp -r /etc/pam.d   ./etc/
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ldd /deine/halflife/binaries | awk '{ print $3 }'