121 lines
3.4 KiB
Bash
121 lines
3.4 KiB
Bash
|
#!/bin/sh
|
||
|
|
# -*- mode: sh; tab-width: 8; encoding: utf-8-unix -*-
|
||
|
|
|
||
|
|
ROLE=testforge
|
||
|
|
# export PATH=$PATH:/usr/local/bin
|
||
|
|
MOUNTS="mnt/i mnt/j mnt/o"
|
||
|
|
|
||
|
|
. /usr/local/bin/usr_local_tput.bash
|
||
|
|
error () { retval=$1 ; shift; ERROR "$0" $* ; exit $retval ; }
|
||
|
|
info () { INFO " $0 " $* ; }
|
||
|
|
|
||
|
|
# must be run as root
|
||
|
|
[ "`id -u`" -ne "0" ] && error 1 "must be run as root"
|
||
|
|
|
||
|
|
if [ "$#" -eq "0" ] ; then
|
||
|
|
error 2 "give an absolute directory name as argument"
|
||
|
|
fi
|
||
|
|
LARGS=""
|
||
|
|
CMD=""
|
||
|
|
while true; do
|
||
|
|
case "$1" in
|
||
|
|
'-'*)
|
||
|
|
LARGS="$LARGS $1"
|
||
|
|
shift
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
break
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
|
||
|
|
root=$1
|
||
|
|
shift
|
||
|
|
if [ ! -d "$root" ] ; then
|
||
|
|
error 3 "absolute directory name for chroot not found - $root"
|
||
|
|
fi
|
||
|
|
|
||
|
|
# unix partition
|
||
|
|
[ -d $root/lost+found ] || exit 4
|
||
|
|
# linux partition
|
||
|
|
[ -e $root/usr/src/ ] || exit 5
|
||
|
|
cd $root || exit 6
|
||
|
|
|
||
|
|
if [ ! -d boot ] ; then
|
||
|
|
error 7 "missing boot/"
|
||
|
|
fi
|
||
|
|
for file in tmp usr/tmp var/tmp ; do
|
||
|
|
[ -d $file ] && continue
|
||
|
|
mkdir $file || error 8 " missing directory $file"
|
||
|
|
chmod 1777 $file
|
||
|
|
done
|
||
|
|
# df /var/tmp | grep -q sd.12 || mount /var/tmp
|
||
|
|
|
||
|
|
for file in proc sys dev dev/pts dev/shm usr ; do
|
||
|
|
[ -d $file ] && continue
|
||
|
|
mkdir $file || exit 9
|
||
|
|
chmod 755 $file
|
||
|
|
done
|
||
|
|
|
||
|
|
# Think -R is causing problems
|
||
|
|
[ -e proc/self ] || mount -t proc none proc || error 10
|
||
|
|
# this was rbind
|
||
|
|
[ -e sys/kernel ] || mount -o bind /sys sys || error 12
|
||
|
|
[ -e dev/null ] || mount -o bind /dev dev || error 11
|
||
|
|
[ -e /dev/pts/0 ] || \
|
||
|
|
mount -t devpts -o rw,relatime,mode=600 devpts dev/pts \
|
||
|
|
|| error 12
|
||
|
|
#? try mount| while read a on what type [ tmpfs cgroup binfmt_misc? ] without rbind
|
||
|
|
mount| while read what foo on bar type rest ; do
|
||
|
|
# cgroup devpts devtmpfs ecryptfs ext2 fuseblk proc rpc_pipefs sysfs tmpfs vfat
|
||
|
|
# leave real disks for $MOUNTS
|
||
|
|
[ $type = 'fuse' -o $type = 'ext2' -o $type = 'ext4' -o $type = 'vfat' -o ] && continue
|
||
|
|
# have done these
|
||
|
|
[ $type = 'proc' -o $type = 'sys' -o $type = 'dev' -o $type = 'devpts' -o ] && continue
|
||
|
|
DBUG "Dunno $what $on $type"
|
||
|
|
done
|
||
|
|
# check for /dev/loop devices - up to 255 on android
|
||
|
|
[ -e /dev/loop1 ] || \
|
||
|
|
( cd /dev && \
|
||
|
|
for i in 0 1 2 3 4 5 6 7 ; do
|
||
|
|
[ -e loop$i ] && continue
|
||
|
|
mknod loop$i b 7 $i
|
||
|
|
chmod 660 loop$i
|
||
|
|
chgrp disk loop$i
|
||
|
|
done )
|
||
|
|
|
||
|
|
for elt in $MOUNTS ; do
|
||
|
|
[ -d $elt ] || { mkdir $elt ; chmod 755 $elt ; }
|
||
|
|
grep -q /$elt /proc/mounts || continue
|
||
|
|
[ -d $elt/tmp ] && continue
|
||
|
|
grep -q $root/$elt /proc/mounts && continue
|
||
|
|
mount --bind /$elt $root/$elt
|
||
|
|
done
|
||
|
|
|
||
|
|
# You'll also want to copy over resolv.conf in order to have proper DNS name
|
||
|
|
# resolution from inside the chroot:
|
||
|
|
# but in chroot, you'll need to change this to your connected IP address.
|
||
|
|
cp -L /etc/resolv.conf etc || exit 16
|
||
|
|
|
||
|
|
for file in .bashrc .profile .jedrc ; do
|
||
|
|
[ -f root/$file ] || \
|
||
|
|
cp -p /root/$file root/$file
|
||
|
|
done
|
||
|
|
|
||
|
|
|
||
|
|
EARGS="CHROOT=1 LANG=en_US.UTF-8 LC_COLLATE=C"
|
||
|
|
EELTS="$EELTS TERM DISPLAY HOME USER LOGNAME USERNAME PATH"
|
||
|
|
EELTS="$EELTS http_proxy https_proxy socks_proxy no_proxy"
|
||
|
|
for elt in $EELTS ; do
|
||
|
|
EARGS="$EARGS `env|grep ^${elt}=`"
|
||
|
|
done
|
||
|
|
|
||
|
|
# was /bin/bash -l
|
||
|
|
[ "$#" -eq 0 ] && set -- /bin/sh -i
|
||
|
|
|
||
|
|
# Now you can chroot into your new system. Use env before chroot to ensure that no
|
||
|
|
# environment variables from the installation media are used by your new system:
|
||
|
|
#? PATH=$PATH
|
||
|
|
echo chroot $LARGS $root /usr/bin/env -i $EARGS "$@"
|
||
|
|
chroot $LARGS $root /usr/bin/env -i $EARGS "$@"
|