PKGBUILDs/core/initscripts/rc.sysinit

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#!/bin/bash
#
# /etc/rc.sysinit
#
. /etc/rc.conf
. /etc/rc.d/functions
echo " "
printhl "Arch Linux ARM\n"
printhl "${C_H2}http://www.archlinuxarm.org"
printsep
# mount /proc, /sys, /run, /dev, /run/lock, /dev/pts, /dev/shm (the api filesystems)
mountpoint -q /proc || mount -n -t proc proc /proc -o nosuid,noexec,nodev
mountpoint -q /sys || mount -n -t sysfs sys /sys -o nosuid,noexec,nodev
mountpoint -q /run || mount -n -t tmpfs run /run -o mode=0755,size=10M,nosuid,nodev
mountpoint -q /dev || mount -n -t devtmpfs udev /dev -o mode=0755,size=10M,nosuid &>/dev/null \
|| mount -n -t tmpfs udev /dev -o mode=0755,size=10M,nosuid
mkdir -p -m 1777 /run/lock
mkdir -p /dev/{pts,shm}
mountpoint -q /dev/pts || mount -n /dev/pts &>/dev/null \
|| mount -n -t devpts devpts /dev/pts -o mode=0620,gid=5,nosuid,noexec
mountpoint -q /dev/shm || mount -n /dev/shm &>/dev/null \
|| mount -n -t tmpfs shm /dev/shm -o mode=1777,nosuid,nodev
# remount root ro to allow for fsck later on, we remount now to
# make sure nothing can open files rw on root which would block a remount
findmnt / --options ro &>/dev/null ||
status "Mounting Root Read-Only" mount -n -o remount,ro /
run_hook sysinit_start
# start up our mini logger until syslog takes over
minilogd
bootlogd -p /run/bootlogd.pid
HWCLOCK_PARAMS="--systz"
case $HARDWARECLOCK in
"") ;;
UTC) HWCLOCK_PARAMS+=" --utc --noadjfile";;
localtime) HWCLOCK_PARAMS+=" --localtime --noadjfile";;
*) HWCLOCK_PARAMS="";;
esac
if [[ $HWCLOCK_PARAMS ]]; then
stat_busy "Adjusting system time and setting kernel timezone"
# enable rtc access
modprobe -q -a rtc-cmos rtc genrtc
# If devtmpfs is used, the required RTC device already exists now
# Otherwise, create whatever device is available
if ! [[ -c /dev/rtc || -c /dev/rtc0 ]]; then
for dev in /sys/class/rtc/rtc0/dev /sys/class/misc/rtc/dev; do
[[ -e $dev ]] || continue
IFS=: read -r major minor < "$dev"
mknod /dev/rtc c $major $minor
done
fi
# Adjust the system time for timezone offset if rtc is not in UTC
# 1. Make creation time on udev nodes sane (FS#8665)
# 2. Filesystem checks can depend on system time
# 3. This also sets the kernel time zone, used by e.g. vfat
# If TIMEZONE is not set in rc.conf, the timezone stored in /etc/localtime
# is used. If HARDWARECLOCK is not set in rc.conf, the value in
# /var/lib/hwclock/adjfile is used (in this case /var can not be a separate
# partition).
TZ=$TIMEZONE hwclock $HWCLOCK_PARAMS && stat_done || stat_fail
fi
# Start/trigger UDev, load MODULES and settle UDev
udevd_modprobe sysinit
# bring up the loopback interface
[[ -d /sys/class/net/lo ]] &&
status "Bringing up loopback interface" ip link set up dev lo
# FakeRAID devices detection
[[ $USEDMRAID = [Yy][Ee][Ss] && -x $(type -P dmraid) ]] &&
status "Activating FakeRAID arrays" dmraid -i -ay
# BTRFS devices detection
[[ $USEBTRFS = [Yy][Ee][Ss] && -x $(type -P btrfs) ]] &&
status "Activating BTRFS volumes" btrfs device scan
# Activate LVM2 groups if any
activate_vgs
# Set up non-root encrypted partition mappings
if [[ -f /etc/crypttab && $CS ]] && grep -q ^[^#] /etc/crypttab; then
stat_busy "Unlocking encrypted volumes:"
modprobe -q dm-crypt 2>/dev/null
do_unlock() {
# $1 = requested name
# $2 = source device
# $3 = password
# $4 = options
stat_append "${1}.."
local open=create a=$1 b=$2 failed=0
# Ordering of options is different if you are using LUKS vs. not.
# Use ugly swizzling to deal with it.
# isLuks only gives an exit code but no output to stdout or stderr.
if $CS isLuks "$2" 2>/dev/null; then
open=luksOpen
a=$2
b=$1
fi
case $3 in
SWAP)
local _overwriteokay=0
if [[ -b $2 && -r $2 ]]; then
# This is DANGEROUS! If there is any known file system,
# partition table, RAID or LVM volume on the device
# we don't overwrite it.
#
# 'blkid' returns 2 if no valid signature has been found.
# Only in this case we should allow overwriting the device.
#
# This sanity check _should_ be sufficient, but it might not.
# This may cause dataloss if it is not used carefully.
blkid -p "$2" &>/dev/null
(( $? == 2 )) && _overwriteokay=1
fi
if (( _overwriteokay == 0 )); then
false
elif $CS -d /dev/urandom $4 $open "$a" "$b" >/dev/null; then
stat_append "creating swapspace.."
mkswap -f -L $1 /dev/mapper/$1 >/dev/null
fi;;
ASK)
printf "\nOpening '$1' volume:\n"
$CS $4 $open "$a" "$b" < /dev/console;;
/dev*)
local ckdev=${3%%:*}
local cka=${3#*:}
local ckb=${cka#*:}
local cka=${cka%:*}
local ckfile=/dev/ckfile
local ckdir=/dev/ckdir
case ${cka} in
*[!0-9]*)
# Use a file on the device
# cka is not numeric: cka=filesystem, ckb=path
mkdir ${ckdir}
mount -r -t ${cka} ${ckdev} ${ckdir}
dd if=${ckdir}/${ckb} of=${ckfile} >/dev/null 2>&1
umount ${ckdir}
rmdir ${ckdir};;
*)
# Read raw data from the block device
# cka is numeric: cka=offset, ckb=length
dd if=${ckdev} of=${ckfile} bs=1 skip=${cka} count=${ckb} >/dev/null 2>&1;;
esac
$CS -d ${ckfile} $4 $open "$a" "$b" >/dev/null
dd if=/dev/urandom of=${ckfile} bs=1 count=$(stat -c %s ${ckfile}) conv=notrunc >/dev/null 2>&1
rm ${ckfile};;
/*)
$CS -d "$3" $4 $open "$a" "$b" >/dev/null;;
*)
echo "$3" | $CS $4 $open "$a" "$b" >/dev/null;;
esac
if (( $? )); then
failed=1
stat_append "failed "
else
stat_append "ok "
fi
return $failed
}
crypto_unlocked=0
read_crypttab do_unlock && stat_done || stat_fail
# Maybe someone has LVM on an encrypted block device
(( crypto_unlocked == 1 )) && activate_vgs
fi
# Check filesystems
[[ -f /forcefsck ]] || in_array forcefsck $(< /proc/cmdline) && FORCEFSCK="-- -f"
declare -r FORCEFSCK
run_hook sysinit_prefsck
if [[ -x $(type -P fsck) ]]; then
stat_busy "Checking Filesystems"
fsck_all >|"${FSCK_OUT:-/dev/stdout}" 2>|"${FSCK_ERR:-/dev/stdout}"
declare -r fsckret=$?
(( fsckret <= 1 )) && stat_done || stat_fail
else
declare -r fsckret=0
fi
run_hook sysinit_postfsck
# Single-user login and/or automatic reboot if needed
fsck_reboot $fsckret
status "Remounting Root Read/Write" \
mount -n -o remount,rw /
# don't touch /etc/mtab if it is a symlink to /proc/self/mounts
if [[ ! -L /etc/mtab ]]; then
stat_busy "Creating mtab"
if [[ -x $(type -P findmnt) && -e /proc/self/mountinfo ]]; then
findmnt -rnu -o SOURCE,TARGET,FSTYPE,OPTIONS >| /etc/mtab
else
cat /proc/mounts >| /etc/mtab
fi
(( $? == 0 )) && stat_done || stat_fail
fi
# now mount all the local filesystems
run_hook sysinit_premount
status "Mounting Local Filesystems" \
mount_all
run_hook sysinit_postmount
# enable monitoring of lvm2 groups, now that the filesystems are mounted rw
[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) && -d /sys/block ]] &&
status "Activating monitoring of LVM2 groups" \
vgchange --monitor y >/dev/null
status "Activating Swap" swapon -a
[[ $TIMEZONE ]] &&
status "Configuring Time Zone" \
cp --remove-destination "/usr/share/zoneinfo/$TIMEZONE" /etc/localtime
RANDOM_SEED=/var/lib/misc/random-seed
[[ -f $RANDOM_SEED ]] &&
status "Initializing Random Seed" \
cp $RANDOM_SEED /dev/urandom
# Remove leftover files
remove_leftover
if [[ $HOSTNAME ]]; then
stat_busy "Setting Hostname: $HOSTNAME"
echo "$HOSTNAME" >| /proc/sys/kernel/hostname && stat_done || stat_fail
fi
# Flush old locale settings and set user defined locale
stat_busy "Setting Locale: ${LOCALE:=en_US}"
echo "export LANG=$LOCALE" > /etc/profile.d/locale.sh &&
chmod 0755 /etc/profile.d/locale.sh && stat_done || stat_fail
if [[ ${LOCALE,,} =~ utf ]]; then
stat_busy "Setting Consoles to UTF-8 mode"
# UTF-8 consoles are default since 2.6.24 kernel
# this code is needed not only for older kernels,
# but also when user has set vt.default_utf8=0 but LOCALE is *.UTF-8.
for i in /dev/tty[0-9]*; do
kbd_mode -u < ${i}
printf "\e%%G" > ${i}
done
echo 1 >| /sys/module/vt/parameters/default_utf8
stat_done
else
stat_busy "Setting Consoles to legacy mode"
# make non-UTF-8 consoles work on 2.6.24 and newer kernels
for i in /dev/tty[0-9]*; do
kbd_mode -a < ${i}
printf "\e%%@" > ${i}
done
echo 0 >| /sys/module/vt/parameters/default_utf8
stat_done
fi
[[ $KEYMAP ]] &&
status "Loading Keyboard Map: $KEYMAP" loadkeys -q $KEYMAP
# Set console font if required
set_consolefont
stat_busy "Saving dmesg Log"
if [[ -e /proc/sys/kernel/dmesg_restrict ]] &&
(( $(< /proc/sys/kernel/dmesg_restrict) == 1 )); then
install -Tm 0600 <( dmesg ) /var/log/dmesg.log
else
install -Tm 0644 <( dmesg ) /var/log/dmesg.log
fi
(( $? == 0 )) && stat_done || stat_fail
run_hook sysinit_end
# End of file
# vim: set ts=2 sw=2 noet: