encryptedmaemohome/rcS-late

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