DSM-G600, DNS-3xx and NSA-220 Hack Forum

#!/bin/sh

VOL1=/mnt/HD_a2
VOL2=/mnt/HD_b2
FUNPLUGTAR=${VOL1}/fun_plug.tar
FUNPLUGDIR=${VOL1}/fun_plug.d
ETCDIR=${FUNPLUGDIR}/etc
BINDIR=${FUNPLUGDIR}/bin
LOGDIR=${FUNPLUGDIR}/log
LOGFILE=${LOGDIR}/fun_plug.log
PATH=${BINDIR}:${PATH}

export VOL1
export VOL2
export FUNPLUGDIR
export ETCDIR
export BINDIR
export LOGDIR
export LOGFILE
export PATH

umask 022

mkdir -p ${FUNPLUGDIR} ${LOGDIR}
echo "**** fun_plug script for DNS-323 (2007.04.03 tp@fonz.de) ****" >>${LOGFILE}
date >>${LOGFILE}

if [ -r "${FUNPLUGTAR}" ]; then
    echo "* Extracting ${FUNPLUGTAR}..." >>${LOGFILE}
    /bin/tar -xv -f ${FUNPLUGTAR} -C ${FUNPLUGDIR} 1>>${LOGFILE} 2>&1
    echo "* Deleting ${FUNPLUGTAR}..." >>${LOGFILE}
    rm -f ${FUNPLUGTAR}
fi
    
if [ -d "${FUNPLUGDIR}/start" ]; then
    for fun_plug_script in ${FUNPLUGDIR}/start/*.sh; do
        if [ -x "${fun_plug_script}" ]; then
            echo "* Running ${fun_plug_script}..." >>${LOGFILE}
            ${fun_plug_script} 1>>${LOGFILE} 2>&1
        else
            echo "* ${fun_plug_script} not executable..." >>${LOGFILE}
        fi
    done
else
    echo "* ${FUNPLUGDIR}/start: Directory not found"
fi

echo "* Debian Chroot" >>${LOGFILE}

VOL1=/mnt/HD_a2
VOL2=/mnt/HD_b2

etch=$VOL1/etch
busybox=$VOL1/fun_plug.d/bin/busybox
#modules=$VOL2/modules

# Correct time issues
#$busybox/adjtimex -t 9968
#$busybox/echo | $busybox/crontab -
#$busybox/echo WET0WEST,M3.5.0/01,M10.5.0/02 > /etc/TZ

# Load usb-storage
#$busybox/insmod $modules/usb-storage.ko

# Create /dev/random
$busybox mknod /dev/random c 1 8

# Correct dev permissions
$busybox chmod a+w /dev/tty
$busybox chmod a+w /dev/full
$busybox chmod a+w /dev/null
$busybox chmod a+w /dev/zero
$busybox chmod a+w /dev/random
$busybox chmod a+w /dev/urandom

# Setup pseudo-terminals
#$busybox mkdir -p /dev/pts
#$busybox mount -t devpts devpts /dev/pts
#$busybox mknod -m 0666 /dev/ptmx c 5 2

# Start telnet
#$busybox telnetd -l $busybox/sh

# Bind mount VOL1
$busybox mkdir -p $etch/$VOL1
$busybox mount --bind $VOL1 $etch/$VOL1

# Bind mount VOL2
$busybox mkdir -p $etch/$VOL2
$busybox mount --bind $VOL2 $etch/$VOL2

# Bind mount dev
$busybox mkdir -p $etch/dev
$busybox mkdir -p $etch/dev/pts
$busybox mount --bind /dev $etch/dev
$busybox mount --bind /dev/pts $etch/dev/pts

# Bind mount sys
$busybox mkdir -p $etch/sys
$busybox mount --bind /sys $etch/sys

# Bind mount proc
$busybox mkdir -p $etch/proc
$busybox mount --bind /proc $etch/proc

# Tmpfs mount /tmp /var/tmp /var/log /var/run /var/lock
$busybox mount -t tmpfs tmpfs $etch/tmp
$busybox mount -t tmpfs tmpfs $etch/var/tmp
$busybox mount -t tmpfs tmpfs $etch/var/log
$busybox mount -t tmpfs tmpfs $etch/var/run
$busybox mount -t tmpfs tmpfs $etch/var/lock

# Create mtab, fstab
$busybox ln -sf /proc/mounts $etch/etc/mtab
$busybox echo -n > $etch/etc/fstab

# Set hostname
$busybox hostname nas
$busybox hostname > $etch/etc/hostname

# Copy hosts, resolv.conf
$busybox cp -f /etc/hosts $etch/etc/hosts
$busybox cp -f /etc/resolv.conf $etch/etc/resolv.conf

# Chroot into Debian
$busybox chroot $etch /etc/init.d/rc 2 > /dev/null 2>&1

echo "* Debian Chroot Done" >>${LOGFILE}

Setting up openssh-client (4.3p2-9) ...
/var/lib/dpkg/info/openssh-client.postinst: line 21: /mnt/HD_a2/fun_plug.d/bin/grep: No such file or directory

BusyBox v1.5.0 (2007-05-06 16:42:17 CEST) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

/ # chroot /mnt/HD_a2/etch /bin/bash -ls
bash: /mnt/HD_a2/fun_plug.d/bin/id: No such file or directory
bash: [: : integer expression expected

Extracting templates from packages: 100%
Preconfiguring packages ...
dpkg: `ldconfig' not found on PATH.
dpkg: `start-stop-daemon' not found on PATH.
dpkg: `install-info' not found on PATH.
dpkg: `update-rc.d' not found on PATH.
dpkg: 4 expected program(s) not found on PATH.
NB: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin.

1. Uploaded fun_plug and funplug-0.2.tar and restarted: Telnet up and running, log ok.
2. Uploaded etch.tar. Extracted into /mnt/hd_a2/ and now etch is up in /mnt/hd_a2/etch.
3. Edited the funplug to include the Debian related stuff.
4. Log reports everything OK.
5. Running  chroot /mnt/HD_a2/etch /bin/bash -ls
6. Getting this: "bash: /mnt/HD_a2/fun_plug.d/bin/id: No such file or directory. bash: [: : integer expression expected"
7. root@Boksen:/#

/ # chroot /mnt/HD_a2/etch /bin/bash -ls
bash: /mnt/HD_a2/fun_plug.d/bin/id: No such file or directory
bash: [: : integer expression expected
root@nas:/# echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/games
root@nas:/# exit
logout
/ # chroot /mnt/HD_a2/etch /bin/bash    
root@nas:/# echo $PATH
/mnt/HD_a2/fun_plug.d/bin:/usr/bin:/bin:/usr/sbin:/sbin

computer:~ xenyz$ ssh nas
xenyz@nas's password: 
xenyz@nas:~$ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/games
xenyz@nas:~$ su -
Password: 
nas:~# echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
nas:~#