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rcS
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#/bin/sh
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# Copyright(C) 2006 Nokia Corporation.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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# USA
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#Modified by NIN101(http://nin101.uni.cx).
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#Provides: Shell if demanded by user; maps an LUKS encrypted partition
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#Requires busybox-power or at least the applets "loadkmap" & "watchdog"
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#WARNING: Charging WON'T work when device is turned off before the
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#user pluggs in the charger. Or: It will, but you have to enter
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#your LUKS password at a state where the screen is very very dark :-).
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#This is because home gets mounted before BME starts.
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umask 022
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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MODULES="twl4030-vibra
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dspbridge
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iommu2
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omap3-iommu
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omap34xxcam-mod
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omap_previewer_hack
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board-rx51-camera
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et8ek8
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ad5820
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adp1653
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vs6555
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uinput"
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if [ -L /var/run ]
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then
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rm -f /var/run
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mkdir /var/run
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fi
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mount -n -t proc proc /proc
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mount -n -t sysfs sysfs /sys
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mount -n -t tmpfs -o size=1M,noatime tmpfs /tmp
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mount -n -t tmpfs -o size=256k,mode=0755,nosuid,noatime tmpfs /var/run
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#MODE=`getbootstate`
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# This doesn't really belong here, but we have start this so early
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start_bootchart(){
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if [ -e /bootchart -a -e /etc/init.d/bootchart ]
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then
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/etc/init.d/bootchart start
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fi
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}
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start_softupd()
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{
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echo "Starting software updater"
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/etc/init.d/softupd.rcS
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}
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in_flash_mode()
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{
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grep update /proc/component_version 1>/dev/null 2>/dev/null
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}
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mount_devpts() {
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TTYGRP=5
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TTYMODE=620
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if [ ! -d /dev/pts ]
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then
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mkdir /dev/pts
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fi
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if [ ! -c /dev/ptmx ]
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then
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mknod /dev/ptmx c 5 2
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chmod 666 /dev/ptmx
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fi
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mount -n -t devpts -ogid=$TTYGRP,mode=$TTYMODE devpts /dev/pts
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rm -rf /var/tmp/*
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}
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# I hate this hack. -- Md
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make_extra_nodes () {
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if [ "$(echo /lib/udev/devices/*)" != "/lib/udev/devices/*" ]; then
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cp -a /lib/udev/devices/* /dev/
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fi
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grep '^[^#]' /etc/udev/links.conf | \
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while read type name arg1; do
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[ "$type" -a "$name" -a ! -e "/dev/$name" -a ! -L "/dev/$name" ] ||continue
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case "$type" in
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L)
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ln -s $arg1 /dev/$name
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;;
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D)
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mkdir -p /dev/$name
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;;
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M)
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mknod /dev/$name $arg1 && chmod 600 /dev/$name
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;;
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*)
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echo "unparseable line ($type $name $arg1)"
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;;
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esac
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done
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}
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load_extra_modules () {
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echo -n "Loading extra modules..."
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for i in $MODULES; do
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echo "Loading $i"
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modprobe -q $i ||:
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done
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echo "done."
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}
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# Mount home and paging partitions if they are available
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mount_mmc(){
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device=$1
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swap=$device"p1"
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home=$device"p2"
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test=$device"p3"
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if [ -e $test ]
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then
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echo "Mounting partition $swap for paging"
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# swap disabled as a workaround for Xorg bug, per NB#111807.
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swapon $swap
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modprobe ext3
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echo "Mounting partition $home as home directory"
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mount -t ext3 -o noatime,commit=1,data=writeback $home /home
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else
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echo "No paging partition available as $swap"
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echo "No home partition available as $home"
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fi
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}
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prepare_start_udev()
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{
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. /etc/udev/udev.conf
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if [ -z "$tmpfs_size" ]; then
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tmpfs_size="1M"
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fi
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ACTION=add
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echo -n "Mounting a tmpfs over /dev..."
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mount -n -o size=$tmpfs_size,mode=0755,noatime -t tmpfs none /dev
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echo "done."
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mkdir -p /dev/.udev/db /dev/.udev/queue
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echo "" > /sys/kernel/uevent_helper
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echo -n "Creating extra device nodes... "
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make_extra_nodes
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echo "done."
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}
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start_udev()
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{
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prepare_start_udev
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/sbin/udevd --daemon
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}
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make_nodes()
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{
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echo -n "Creating device nodes... "
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if [ -x /sbin/udevtrigger ]; then
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/sbin/udevtrigger
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else
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/sbin/udevadm trigger
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#wait for all events
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/sbin/udevadm settle
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fi
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echo "done."
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}
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# When modifying this script, do not forget that between the time that
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# the new /dev has been mounted and udevtrigger has been run there will be
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# no /dev/null. This also means that you cannot use the "&" shell command.
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start_bootchart
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if in_flash_mode; then
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start_softupd
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reboot
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fi
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# here only in non-flash mode
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# No need to start udev before softupd anymore
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start_udev
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make_nodes
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load_extra_modules
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mount_devpts
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mount -n -o size=64M,nosuid,nodev,noatime -t tmpfs tmpfs /dev/shm
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# mount_mmc "/dev/mmcblk0"
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/sbin/hwclock -s || true
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watchdog -t 10 /dev/twl4030_wdt
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watchdog -t 10 /dev/watchdog
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modprobe dm_mod
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modprobe dm_loop
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#LED part taken from a post on talk.maemo.org by Mentalist Traceur. Thx
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modprobe leds-lp5523
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for i in 1 2 3 4 5 6; do
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echo 25 > /sys/class/leds/lp5523\:kb$i/brightness
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done
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loadkmap < /nokia-n900.kmap
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CONT=0
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while [ "$CONT" -ne 1 ] ; do
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cryptsetup luksOpen /dev/mmcblk0p2 home_luks
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if [ "$?" -eq 0 ] || [ -b /dev/mapper/home_luks ] ; then
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CONT=1
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fi
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done
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echo "Press any key to enable shell"
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read -n 1 -t 2 shellmode
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if [ -n "$shellmode" ] ; then
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sh
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fi
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killall watchdog
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# cannot collect product data if we are under SDK
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# it should not be run there, but explicit check is better
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OPI=`which osso-product-info`
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if [ x$OPI != x ]; then
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# Make sure /etc/hostname and /etc/hosts exist and are not empty. They do not
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# exist if this is the very first boot, and they may be empty if power cut
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# happended before the contents has reached the media.
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if [ ! -f /etc/hostname -o ! -s /etc/hostname -o ! -f /etc/hosts -o ! -s /etc/hosts ]; then
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hostname="`$OPI -qOSSO_PRODUCT_SHORT_NAME | sed 's/ /-/g'`"
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echo $hostname > /etc/hostname
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echo "127.0.0.1 $hostname localhost" > /etc/hosts
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chmod 644 /etc/hosts
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fi
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# Similarly, make sure /etc/issue and /etc/issue.net are fine
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if [ ! -f /etc/issue -o ! -s /etc/issue -o ! -f /etc/issue.net -o ! -s /etc/issue.net -o -f /home/user/first-boot-flag ]; then
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full_name=`$OPI -qOSSO_PRODUCT_RELEASE_FULL_NAME`
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echo "$full_name \n \l" > /etc/issue
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echo "" >> /etc/issue
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echo "$full_name %h" > /etc/issue.net
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fi
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fi
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# Note, normally we would have to sync the FS to make sure the files have
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# reached the media. But because the files are small, they would be either
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# empty or non-existing in case of an unclean reboot, and we handle both
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# cases.
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hostname -F /etc/hostname
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ifup lo &
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#echo /sbin/udevsend > /proc/sys/kernel/hotplug
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#: > /var/run/utmp
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#chmod 664 /var/run/utmp
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#chgrp utmp /var/run/utmp
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rm -f /etc/mtab
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cat /proc/mounts > /etc/mtab
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echo 0 > /proc/sys/net/ipv4/conf/all/accept_redirects
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echo 0 > /proc/sys/net/ipv4/conf/default/accept_redirects
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echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
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echo 1 > /proc/sys/net/ipv4/conf/default/rp_filter
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echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
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echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
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echo "49152 65535" > /proc/sys/net/ipv4/ip_local_port_range
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echo 6000 > /sys/class/bluetooth/hci0/idle_timeout
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# adjust other kernel parameters to minimize memory consumption
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# and optimize IO pressure
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echo 16 > /proc/sys/kernel/pty/max
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echo 1024 > /proc/sys/kernel/threads-max
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echo 8192 > /proc/sys/fs/file-max
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echo 100 > /proc/sys/vm/swappiness
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echo 5 > /proc/sys/vm/page-cluster
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echo 500 > /proc/sys/vm/dirty_expire_centisecs
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echo 65536 > /proc/sys/net/core/rmem_default
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echo 16384 > /proc/sys/net/core/wmem_default
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echo 20 > /proc/sys/net/unix/max_dgram_qlen
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# Finalize SSU in case it has been interrupted by power failure
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if test -x /usr/libexec/ham-rescue.sh; then
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/usr/libexec/ham-rescue.sh
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fi
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# Disable sysrq to avoid accidental console-carbage resets.
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echo 0 > /proc/sys/kernel/sysrq
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echo "/what/me/worry" > /proc/sys/kernel/core_pattern
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echo 1 > /proc/sys/kernel/panic
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echo 1 > /proc/sys/kernel/panic_on_oops
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exit 0
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