encryptedmaemohome/rcS-late

161 lines
4.0 KiB
Plaintext

2017-01-08 10:06:30 +01:00
description "late rcS actions"
start on started hal
stop on stopping hal
console none
script
#Mounts an encrypted home by bypassing /etc/fstab.
#Encrypted swap.
#mount /home; fix ext3 and retry mounting if 1st attempt fails
mount_home ()
{
/bin/mount /dev/mapper/home_luks /home -t ext3 -o rw,noatime,errors=continue,commit=1,data=writeback && grep -q "/home ext3 rw" /proc/mounts
if [ $? -eq 0 ]
then
return 0
else
grep -q "/home ext3 ro" /proc/mounts
if [ $? -eq 0 ]
then
umount /home
fi
HOME_DEV=`grep "/home ext3" /etc/fstab | cut -d' ' -f1`
#fsck.ext3 -y $HOME_DEV >> /var/lib/fsck_ext3_home.log 2>&1
sync
/bin/mount /dev/mapper/home_luks /home -t ext3 -o rw,noatime,errors=continue,commit=1,data=writeback && grep -q "/home ext3 rw" /proc/mounts
return $?
fi
}
ACT_DEAD=0
HOME_MOUNTED=0
#check act_dead
if [ -e /tmp/ACT_DEAD ]; then
ACT_DEAD=1
fi
# Generate fstab and mount /home
. /etc/default/mount-opts
fstab=/etc/fstab
tmp_fstab=/tmp/fstab
sfdisk -l /dev/mmcblk0 | /bin/busybox awk \
-v home_opts="$home_opts" -v fat_opts="$fat_opts" \
-f /usr/lib/genfstab.awk > $tmp_fstab
cmp -s $tmp_fstab $fstab || cp $tmp_fstab $fstab
rm -f $tmp_fstab
if [ $ACT_DEAD -eq 0 ]; then
modprobe dm_crypt
modprobe dm_mod
/sbin/cryptsetup -d /dev/urandom create swapenc /dev/mmcblk0p3
/sbin/mkswap /dev/mapper/swapenc
/sbin/swapon /dev/mapper/swapenc
# Setup lowmem module
echo 32768 > /proc/sys/vm/lowmem_deny_watermark_pages
echo 98304 > /proc/sys/vm/lowmem_notify_high_pages
echo 131072 > /proc/sys/vm/lowmem_notify_low_pages
echo 1024 > /proc/sys/vm/lowmem_nr_decay_pages
# Exclude some UIDs from memory allocation denial.
# 30000 is messagebus, 30001 could be used by Matchbox
echo "30000 30001 30002 30003" > /proc/sys/vm/lowmem_allowed_uids
fi
mount_home && HOME_MOUNTED=1
# If failed to mount /home and system has been already optified - reboot
if [ $HOME_MOUNTED -eq 0 ]
then
if [ -e /var/lib/maemo-optify-firstboot-do-not-clean-home-opt ]; then
telinit 6
fi
else
[ ! -d /home/opt ] && mkdir /home/opt
[ ! -d /opt ] && mkdir /opt
fi
if [ $ACT_DEAD -eq 0 ]
then
if [ $HOME_MOUNTED -eq 1 ]
then
if [ -x /usr/sbin/maemo-optify-firstboot.sh ]; then
. /usr/sbin/maemo-optify-firstboot.sh
fi
fi
fi
/bin/mount /opt || echo "Failed to mount(bind) /opt."
if [ $ACT_DEAD -eq 0 ]
then
if [ $HOME_MOUNTED -eq 1 ]
then
if [ -x /usr/sbin/maemo-optify-auto-opt.sh ]; then
. /usr/sbin/maemo-optify-auto-opt.sh
fi
fi
if [ -d /home/preinstalled -a -d /home/user ]
then
rm -rf /home/user
fi
if [ ! -d /home/user ]
then
if [ -d /home/preinstalled ]
then
mv /home/preinstalled /home/user
else
mkdir /home/user
fi
cd /etc/skel
cp -a . /home/user
chown -R user:users /home/user
sync
fi
fi
if [ ! -d /home/user ]
then
mkdir /home/user
chown user:users /home/user
sync
fi
# We can safely continue booting now.
initctl emit MOUNTS_OK
# Adjust flushing of memory card buffers
echo 40 > /proc/sys/vm/dirty_ratio
echo 10 > /proc/sys/vm/dirty_background_ratio
# Initialize PRNG pool with the HW RNG. Slow, but that's ok.
URANDOM_POOLSZ=512
if [ -e /dev/hwrng ]; then
echo "Seeding entropy pool"
dd if=/dev/hwrng of=/dev/urandom bs=$URANDOM_POOLSZ count=1
fi
# Data for the panic info driver
mount -t debugfs nodev /sys/kernel/debug
modprobe panic_info_buff
sleep 1
osso-product-info > /sys/kernel/debug/panic_info_buff
end script
normal exit 0