stali-init

commit ee166e16177a417eedeaedae2ef20e1d4861b6ae
Author: Christoph Lohmann <20h@r-36.net>
Date:   Wed, 17 Apr 2013 21:04:54 +0200

Initial commit of init scripts.

Diffstat:
inittab.busybox
 | 
16
++++++++++++++++
rc.init
 | 
195
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rc.local
 | 
8
++++++++
rc.multi
 | 
61
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rc.shutdown
 | 
86
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rc.single
 | 
24
++++++++++++++++++++++++

6 files changed, 390 insertions(+), 0 deletions(-)
diff --git a/inittab.busybox b/inittab.busybox
@@ -0,0 +1,16 @@
+#
+# /etc/inittab
+#
+
+::sysinit:/bin/rc.init
+::once:/bin/rc.multi
+
+tty1::respawn:/sbin/agetty --noclear -8 38400 tty1 linux
+tty2::respawn:/sbin/agetty --noclear -8 38400 tty2 linux
+tty3::respawn:/sbin/agetty --noclear -8 38400 tty3 linux
+tty4::respawn:/sbin/agetty --noclear -8 38400 tty4 linux
+
+::ctrlaltdel:/bin/busybox reboot -d 3
+::restart:/bin/busybox init
+::shutdown:/bin/rc.shutdown
+
diff --git a/rc.init b/rc.init
@@ -0,0 +1,195 @@
+#!/bin/busybox ash
+
+. /cfg/rc.conf
+
+mkdir -p /dev
+mountpoint -q /dev || mount -t devtmpfs dev /dev -o mode=0755,nosuid
+touch /dev/mdev.log
+mkdir -p /dev/pts
+mountpoint -q /dev/pts || mount -n -t devpts devpts /dev/pts -o mode=0620,gid=5,nosuid,noexec,noatime
+bootlogd -c -l /run/boot.log -p /run/bootlogd.pid
+
+printf "\n\n"
+printf "         sta.li\n"
+printf "\n\n"
+
+printf "Mounting base filesystems.\n"
+mkdir -p /proc
+mkdir -p /sys
+mkdir -p /run
+mountpoint -q /proc || mount -t proc proc /proc -o nosuid,noexec,nodev
+mountpoint -q /sys || mount -t sysfs sys /sys -o nosuid,noexec,nodev
+mountpoint -q /run || mount -t tmpfs run /run -o mode=0755,nosuid,nodev
+
+mkdir -p -m 1777 /run/lock
+mkdir -p /dev/shm
+mountpoint -q /dev/shm || mount -n -t tmpfs shm /dev/shm -o mode=1777,nosuid,nodev,noatime
+
+mountpoint -q /sys/fs/cgroup || mount -n -t cgroup nodev /sys/fs/cgroup
+
+if [ ! -e /run/initramfs/fsck-root ];
+then
+	printf "Remounting root ro.\n"
+	mount -o remount,ro /
+fi
+
+if [ -s /cfg/locale.conf ];
+then
+	printf "Reading /cfg/locale.conf.\n"
+	eval $(cat /cfg/locale.conf)
+fi
+
+if [ -n $(printf "%s" "$LANG" | grep -i utf) ];
+then
+	printf "Setting ttys to be UTF-8.\n"
+	for i in /dev/tty[0-9]*; do
+		kbd_mode -u < ${i} &>/dev/null
+		printf "\e%%G" > ${i} &>/dev/null
+	done
+	echo 1 >| /sys/module/vt/parameters/default_utf8
+else
+	printf "Setting ttys to legacy.\n"
+	for i in /dev/tty[0-9]*; do
+		kbd_mode -a < ${i} &>/dev/null
+		printf "\e%%@" > ${i} &>/dev/null
+	done
+	echo 0 >| /sys/module/vt/parameters/default_utf8
+fi
+
+if [ -s /cfg/vconsole.conf ];
+then
+	printf "Reading vconsole.conf.\n"
+	eval $(cat /cfg/vconsole.conf)
+	[ -n "$FONT" ] && CONSOLEFONT="$FONT"
+	[ -n "$FONT_MAP" ] && CONSOLEMAP="$FONT_MAP"
+fi
+
+[ -n "$KEYMAP" ] && loadkeys -q "$KEYMAP"
+
+HWCLOCK_PARAMS="-s"
+case $HARDWARECLOCK in
+	"")
+		;;
+	UTC)
+		HWCLOCK_PARAMS="${HWCLOCK_PARAMS} -u"
+		;;
+	localtime)
+		HWCLOCK_PARAMS="${HWCLOCK_PARAMS} -l"
+		;;
+	*)
+		HWCLOCK_PARAMS=""
+		;;
+esac
+
+if [ -n "$HWCLOCK_PARAMS" ];
+then
+	printf "Setting hwclock.\n"
+	[ -n "$TIMEZONE" ] && export TZ="$TIMEZONE"
+	hwclock $HWCLOCK_PARAMS
+	unset TZ
+fi
+
+printf "Running nldev.\n"
+if [ -e /proc/self/fd ];
+then
+	rm -f /dev/fd 2>/dev/null
+	ln -sf /proc/self/fd /dev/fd
+fi
+
+nldev -b
+
+printf "Loading MODULES from rc.conf.\n"
+for i in $MODULES;
+do
+	/sbin/modprobe "${i}"
+done
+
+printf "Triggering all device events.\n"
+nltrigger add all
+
+printf "Setting up lo device.\n"
+[ -d /sys/class/net/lo ] && ip link set up dev lo
+
+[ "$USEDMRAID" = "yes" ] && printf "Setting up dmraid.\n" && env dmraid -i -ay 
+[ "$USEBTRFS" = "yes" ] && printf "Setting up btrfs.\n" && env btrfs device scan
+[ "$USELVM" = "yes" ] && printf "Setting up lvm.\n" && env vgchange --sysinit -a y >/dev/null
+
+# TODO: crypttab support
+
+if [ ! -e /fastboot ];
+then
+	printf "Running fsck -ATa.\n"
+	fsck -ATa
+	if [ $? -gt 1 ];
+	then
+		printf "Filesystem errors exist. Please fix manually.\n"
+		/bin/busybox ash
+		reboot
+	fi
+fi
+
+printf "Remounting /.\n"
+mount -o remount,rw /
+printf "Mounting all filesystems in /cfg/fstab.\n"
+mount -a
+
+[ "$USELVM" = "yes" ] && printf "Activating lvm monitor.\n" && env vgchange --monitor y >/dev/null
+
+printf "Activating swap.\n"
+swapon -a &
+
+if [ -n "$TIMEZONE" ];
+then
+	printf "Setting local timezone to '%s',\n" "${TIMEZONE}"
+	local zonefile="/usr/share/zoneinfo/${TIMEZONE}"
+	if [ ! -e "${zonefile}" ];
+	then
+		printf "'%s' is not a valid timezone.\n" "${TIMEZONE}"
+	else
+		if [ ! -L /cfg/localtime ] || [ ! /cfg/localtime -ef "${zonefile}" ];
+		then
+			ln -sf "${zoneinfo}" /cfg/localtime
+		fi
+	fi
+fi
+
+printf "Applying random seed to /dev/urandom.\n"
+RANDOM_SEED=/var/lib/misc/random-seed
+if [ -s $RANDOM_SEED ];
+then
+	cat $RANDOM_SEED > /dev/urandom
+else
+	dd if=/dev/random of=/dev/urandom count=1 &>/dev/null
+fi
+
+printf "Cleaning up /var.\n"
+if [ ! -L /var/lock ] && [ ! /var/lock -ef /run/lock ];
+then
+	rm -rf /var/lock 2>/dev/null
+	ln -sf /run/lock /var/lock
+fi
+
+if [ ! -L /var/run ] && [ ! /var/run -ef /run ];
+then
+	rm -rf /var/run 2>/dev/null
+	ln -sf /run /var/run
+fi
+
+[ -s /cfg/hostname ] && HOSTNAME=$(cat /cfg/hostname)
+if [ -n "$HOSTNAME" ];
+then
+	printf "Setting hostname to '%s'.\n" "${HOSTNAME}"
+	printf "%s\n" "$HOSTNAME" > /proc/sys/kernel/hostname
+fi
+
+printf "Storing dmesg output into /var/log/dmesg.log.\n"
+env dmesg > /var/log/dmesg.log
+if [ -e /proc/sys/kernel/dmesg_restrict ] && [ $(cat /proc/sys/kernel/dmesg_restrict) = "1" ];
+then
+	chmod 0600 /var/log/dmesg.log
+else
+	chmod 0644 /var/log/dmesg.log
+fi
+
+# next file is stali.multi
+
diff --git a/rc.local b/rc.local
@@ -0,0 +1,8 @@
+#!/bin/busybox ash
+#
+# /etc/rc.local: Local multi-user startup script.
+#
+
+printf "Running services.\n"
+svc -s 2>&1 >/dev/null
+
diff --git a/rc.multi b/rc.multi
@@ -0,0 +1,61 @@
+#!/bin/busybox ash
+
+. /cfg/rc.conf
+
+nlpid=$(pidof nldev)
+if [ -n $nlpid ];
+then
+	printf "Killing single nldev.\n"
+	kill -9 $nlpid
+fi
+
+printf "Taking over from init nldev to multi nldev.\n"
+run_nldev &>/dev/null &
+
+printf "Triggering all events again.\n"
+nltrigger add all
+
+printf "Running sysctl.\n"
+sysctl -p /cfg/sysctl.conf &>/dev/null
+for path in /usr/lib/sysctl.d /cfg/sysctl.d /run/sysctl.d;
+do
+	if [ -d $path ];
+	then
+		for file in $(ls -1 $path);
+		do
+			sysctl -p $file &>/dev/null
+		done
+	fi
+done
+
+printf "Running binfmt.\n"
+mountpoint -q /proc/sys/fs/binfmt_misc || \
+	mount -t binfmt_misc binfmt /proc/sys/fs/binfmt_misc
+for path in /usr/lib/binfmt.d /cfg/binfmt.d /run/binfmt.d;
+do
+	[ ! -d $path ] && continue;
+	for file in $(ls -1 $path);
+	do
+		grep "^:" $file | \
+			while read -r line;
+			do
+				printf "%s" "$line" \
+					> /proc/sys/fs/binfmt_misc/register
+			done
+	done
+done
+
+sleep 1
+printf "Running rc.local.\n"
+[ -x /bin/rc.local ] && /bin/rc.local
+
+printf "Killing bootlogd.\n"
+if [ -f /run/bootlogd.pid ];
+then
+	kill $(cat /run/bootlogd.pid)
+	rm -f /run/bootlogd.pid
+fi
+[ -e /run/boot.log ] && mv /run/boot.log /var/log/boot
+
+# next is tty1 from stali.inittab
+
diff --git a/rc.shutdown b/rc.shutdown
@@ -0,0 +1,86 @@
+#!/bin/busybox ash
+
+. /cfg/rc.conf
+
+# avoid staircase effect
+stty onlcr
+
+printf "Shutting down.\n"
+
+[ -x /bin/rc.local.shutdown ] && /bin/rc.local.shutdown
+
+svc -k 2>&1 >/dev/null
+
+printf "Saving random seed for next boot.\n"
+RANDOM_SEED=/var/lib/misc/random-seed
+rm -f $RANDOM_SEED
+POOL_FILE=/proc/sys/kernel/random/poolsize
+if [ -r $POOL_FILE ];
+then
+	read POOL_SIZE < $POOL_FILE
+	POOL_SIZE=$(($POOL_SIZE / 8))
+else
+	POOL_SIZE=512
+fi
+dd if=/dev/urandom of=$RANDOM_SEED count=1 bs=$POOL_SIZE &>/dev/null
+
+printf "Halting.\n"
+halt -w
+
+[ "$USELVM" = "yes" ] && printf "Stopping lvm monitor.\n" && env vgchange --monitor n
+
+printf "Swapoff.\n"
+swapoff -a &>/dev/null
+printf "Unmounting all filesystems.\n"
+umount -a &>/dev/null
+
+# TODO: crypttab support
+
+[ "$USELVM" = "yes" ] && printf "Stopping lvm completely.\n" && env vgchange --sysinit -a n
+
+if [ -x /run/initramfs/shutdown ];
+then
+	printf "Going back to initramfs.\n"
+	if [ $RUNLEVEL -eq 0 ];
+	then
+		action="poweroff"
+	else
+		action="reboot"
+	fi
+
+	mount -o bind /run/initramfs /run/initramfs
+
+	mount -o private /run/initramfs
+	mount -o private /
+
+	# bind all api mounts
+	for i in sys proc dev run oldroot;
+	do
+		mkdir -p /run/initramfs/${i}
+	done
+	mount -o bind /sys /run/initramfs/sys
+	mount -o bind /proc /run/initramfs/proc
+	mount -o bind /dev /run/initramfs/dev
+	mount -o bind /run /run/initramfs/run
+
+	cd /run/initramfs
+	pivot_root . oldroot
+
+	/oldroot/sbin/init u
+
+	exec chroot . /shutdown $action </dev/console >/dev/console 2>&1
+else
+	mount -o remount,ro /
+
+	if [ $RUNLEVEL -eq 0 ];
+	then
+		printf "POWERR OFF\n"
+		poweroff -f
+	else
+		printf "REBOOTING\n"
+		env kexec -e &>/dev/null
+		reboot -f
+	fi
+
+fi
+
diff --git a/rc.single b/rc.single
@@ -0,0 +1,24 @@
+#!/bin/busybox ash
+
+. /cfg/rc.conf
+
+if [ "$PREVLEVEL" != "N" ];
+then
+	svc -k 2>&1 >/dev/null
+fi
+
+if [ -f /run/bootlogd.pid ];
+then
+	printf "Stopping bootlogd.\n"
+	touch /var/log/boot
+	kill $(cat /run/bootlogd.pid)
+	rm -f /run/bootlogd.pid
+fi
+
+if [ $RUNLEVEL -eq 1 ];
+then
+	printf "Entering single-user mode.\n"
+	kill -HUP 1
+	exec init -t1 S
+fi
+