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Diffstat (limited to 'source/ap/lxc/scripts/rc.S.orig')
| -rw-r--r-- | source/ap/lxc/scripts/rc.S.orig | 445 |
1 files changed, 445 insertions, 0 deletions
diff --git a/source/ap/lxc/scripts/rc.S.orig b/source/ap/lxc/scripts/rc.S.orig new file mode 100644 index 00000000..20064e55 --- /dev/null +++ b/source/ap/lxc/scripts/rc.S.orig @@ -0,0 +1,445 @@ +#!/bin/sh +# +# /etc/rc.d/rc.S: System initialization script. +# +# Mostly written by: Patrick J. Volkerding, <volkerdi@slackware.com> +# + +PATH=/sbin:/usr/sbin:/bin:/usr/bin + +# Try to mount /proc: +/sbin/mount -v proc /proc -n -t proc 2> /dev/null + +# Mount sysfs next, if the kernel supports it: +if [ -d /sys ]; then + if grep -wq sysfs /proc/filesystems ; then + if ! grep -wq sysfs /proc/mounts ; then + /sbin/mount -v sysfs /sys -n -t sysfs + fi + fi +fi + +# If /run exists, mount a tmpfs on it (unless the +# initrd has already done so): +if [ -d /run ]; then + if ! grep -wq "tmpfs /run tmpfs" /proc/mounts ; then + /sbin/mount -v -n -t tmpfs tmpfs /run -o mode=0755 + fi +fi + +# Load the loop device kernel module: +if [ -x /etc/rc.d/rc.loop ]; then + . /etc/rc.d/rc.loop start +fi + +# Initialize udev to manage /dev entries and hotplugging. +# You may turn off udev by making the /etc/rc.d/rc.udev file non-executable +# or giving the "nohotplug" option at boot, but realize that if you turn off +# udev that you will have to load all the kernel modules that you need +# yourself (possibly in /etc/rc.d/rc.modules.local), and make any additional +# device nodes that you need in the /dev directory. Even USB and IEEE1394 +# devices will need to have the modules loaded by hand if udev is not used. +# So use it. :-) +if grep -wq sysfs /proc/mounts && grep -q devtmpfs /proc/filesystems ; then + if ! grep -wq nohotplug /proc/cmdline ; then + if [ -x /etc/rc.d/rc.udev ]; then + /bin/sh /etc/rc.d/rc.udev start + fi + fi +fi + +# Mount Control Groups filesystem interface: +if grep -wq cgroup /proc/filesystems ; then + if [ -d /sys/fs/cgroup ]; then + # See linux-*/Documentation/cgroups/cgroups.txt (section 1.6) + # Check if we have some tools to autodetect the available cgroup controllers + if [ -x /bin/cut -a -x /bin/tail ]; then + # Mount a tmpfs as the cgroup filesystem root + mount -t tmpfs -o mode=0755 cgroup_root /sys/fs/cgroup + # Autodetect available controllers and mount them in subfolders + controllers="$(/bin/cut -f 1 /proc/cgroups | /bin/tail -n +2)" + for i in $controllers; do + mkdir /sys/fs/cgroup/$i + mount -t cgroup -o $i $i /sys/fs/cgroup/$i + done + unset i controllers + else + # We can't use autodetection so fall back mounting them all together + mount -t cgroup cgroup /sys/fs/cgroup + fi + else + mkdir -p /dev/cgroup + mount -t cgroup cgroup /dev/cgroup + fi +fi + + +# Initialize the Logical Volume Manager. +# This won't start unless we find /etc/lvmtab (LVM1) or +# /etc/lvm/backup/ (LVM2). This is created by /sbin/vgscan, so to +# use LVM you must run /sbin/vgscan yourself the first time (and +# create some VGs and LVs). +# Create LVM lock/run directories: +mkdir -p -m 0700 /run/lvm /run/lock /run/lock/lvm +if [ -r /etc/lvmtab -o -d /etc/lvm/backup ]; then + echo "Initializing LVM (Logical Volume Manager):" + # Check for device-mapper support. + if ! grep -wq device-mapper /proc/devices ; then + # Try to load a device-mapper kernel module: + /sbin/modprobe -q dm-mod + fi + # Scan for new volume groups: + /sbin/vgscan --mknodes --ignorelockingfailure 2> /dev/null + if [ $? = 0 ]; then + # Make volume groups available to the kernel. + # This should also make logical volumes available. + /sbin/vgchange -ay --ignorelockingfailure + fi +fi + +# Open any volumes created by cryptsetup. +# +# Some notes on /etc/crypttab in Slackware: +# Only LUKS formatted volumes are supported (except for swap) +# crypttab follows the following format: +# <luks_name> <device> <password> <options> +# +# <luks_name>: This is the name of your LUKS volume. +# For example: crypt-home +# +# <device>: This is the device containing your LUKS volume. +# For example: /dev/sda2 +# +# <password>: This is either the volume password in plain text, or the name of +# a key file. Use 'none' to interactively enter password on boot. +# +# <options>: Comma-separated list of options. Note that there must be a +# password field for any options to be picked up (use a password of 'none' to +# get a password prompt at boot). The following options are supported: +# +# discard -- this will cause --allow-discards to be passed to the cryptsetup +# program while opening the LUKS volume. +# +# ro -- this will cause --readonly to be passed to the cryptsetup program while +# opening the LUKS volume. +# +# swap -- this option cannot be used with other options. The device given will +# be formatted as a new encrypted volume with a random key on boot, and used as +# swap. +# +if [ -f /etc/crypttab -a -x /sbin/cryptsetup ]; then + # First, check for device-mapper support. + if ! grep -wq device-mapper /proc/devices ; then + # If device-mapper exists as a module, try to load it. + # Try to load a device-mapper kernel module: + /sbin/modprobe -q dm-mod + fi + # NOTE: we only support LUKS formatted volumes (except for swap)! + cat /etc/crypttab | grep -v "^#" | grep -v "^$" | while read line; do + eval LUKSARRAY=( $line ) + LUKS="${LUKSARRAY[0]}" + DEV="${LUKSARRAY[1]}" + PASS="${LUKSARRAY[2]}" + OPTS="${LUKSARRAY[3]}" + LUKSOPTS="" + if echo $OPTS | grep -wq ro ; then LUKSOPTS="${LUKSOPTS} --readonly" ; fi + if echo $OPTS | grep -wq discard ; then LUKSOPTS="${LUKSOPTS} --allow-discards" ; fi + # Skip LUKS volumes that were already unlocked (in the initrd): + /sbin/cryptsetup status $LUKS 2>/dev/null | head -n 1 | grep -q "is active" && continue + if /sbin/cryptsetup isLuks $DEV 2>/dev/null ; then + if [ -z "${LUKSOPTS}" ]; then + echo "Unlocking LUKS encrypted volume '${LUKS}' on device '$DEV':" + else + echo "Unlocking LUKS encrypted volume '${LUKS}' on device '$DEV' with options '${LUKSOPTS}':" + fi + if [ -n "${PASS}" -a "${PASS}" != "none" ]; then + if [ -f "${PASS}" ]; then + # A password was given a key-file filename + /sbin/cryptsetup ${LUKSOPTS} --key-file=${PASS} luksOpen $DEV $LUKS + else + # A password was provided in plain text + echo "${PASS}" | /sbin/cryptsetup ${LUKSOPTS} luksOpen $DEV $LUKS + fi + else + # No password was given, or a password of 'none' was given + /sbin/cryptsetup ${LUKSOPTS} luksOpen $DEV $LUKS </dev/tty0 >/dev/tty0 2>&1 + fi + elif echo $OPTS | grep -wq swap ; then + # If any of the volumes is to be used as encrypted swap, + # then encrypt it using a random key and run mkswap: + echo "Creating encrypted swap volume '${LUKS}' on device '$DEV':" + /sbin/cryptsetup --cipher=aes --key-file=/dev/urandom --key-size=256 create $LUKS $DEV + mkswap /dev/mapper/$LUKS + fi + done +fi + +# Enable swapping: +/sbin/swapon -a 2> /dev/null + +# Start FUSE, if requested: +if [ -x /etc/rc.d/rc.fuse ]; then + sh /etc/rc.d/rc.fuse start +fi + +# Set the tick and frequency for the system clock. +# Default values are: TICK=10000 and FREQ=0 +TICK=10000 +FREQ=0 +# If there's a /etc/default/adjtimex config file, source it to override +# the default TICK and FREQ: +if [ -r /etc/default/adjtimex ]; then + . /etc/default/adjtimex +fi +if /sbin/adjtimex --tick $TICK --frequency $FREQ; then + echo "Setting the system clock rate: /sbin/adjtimex --tick $TICK --frequency $FREQ" +else + echo "Failed to set system clock with adjtimex, possibly invalid parameters? (TICK=$TICK FREQ=$FREQ)" +fi + +# Set the system time from the hardware clock using hwclock --hctosys. +if [ -x /sbin/hwclock ]; then + # Check for a broken motherboard RTC clock (where ioports for rtc are + # unknown) to prevent hwclock causing a hang: + if ! grep -q " : rtc" /proc/ioports ; then + CLOCK_OPT="--directisa" + fi + if [ /etc/adjtime -nt /etc/hardwareclock ]; then + if grep -q "^LOCAL" /etc/adjtime ; then + echo -n "Setting system time from the hardware clock (localtime): " + else + echo -n "Setting system time from the hardware clock (UTC): " + fi + /sbin/hwclock $CLOCK_OPT --hctosys + elif grep -wq "^localtime" /etc/hardwareclock 2> /dev/null ; then + echo -n "Setting system time from the hardware clock (localtime): " + /sbin/hwclock $CLOCK_OPT --localtime --hctosys + else + echo -n "Setting system time from the hardware clock (UTC): " + /sbin/hwclock $CLOCK_OPT --utc --hctosys + fi + date +fi + +# Test to see if the root partition is read-only, like it ought to be. +READWRITE=no +if touch /fsrwtestfile 2>/dev/null; then + rm -f /fsrwtestfile + READWRITE=yes +else + echo "Testing root filesystem status: read-only filesystem" +fi + +# See if a forced filesystem check was requested at shutdown: +if [ -r /etc/forcefsck ]; then + FORCEFSCK="-f" +fi + +# Check the root filesystem: +if [ ! $READWRITE = yes ]; then + RETVAL=0 + if [ ! -r /etc/fastboot ]; then + echo "Checking root filesystem:" + /sbin/fsck $FORCEFSCK -C -a / + RETVAL=$? + fi + # An error code of 2 or higher will require a reboot. + if [ $RETVAL -ge 2 ]; then + # An error code equal to or greater than 4 means that some errors + # could not be corrected. This requires manual attention, so we + # offer a chance to try to fix the problem in single-user mode: + if [ $RETVAL -ge 4 ]; then + echo + echo "***********************************************************" + echo "*** An error occurred during the root filesystem check. ***" + echo "*** You will now be given a chance to log into the ***" + echo "*** system in single-user mode to fix the problem. ***" + echo "*** ***" + echo "*** If you are using the ext2 filesystem, running ***" + echo "*** 'e2fsck -v -y <partition>' might help. ***" + echo "***********************************************************" + echo + echo "Once you exit the single-user shell, the system will reboot." + echo + PS1="(Repair filesystem) \#"; export PS1 + sulogin + else # With an error code of 2 or 3, reboot the machine automatically: + echo + echo "***********************************" + echo "*** The filesystem was changed. ***" + echo "*** The system will now reboot. ***" + echo "***********************************" + echo + fi + echo "Unmounting file systems." + /sbin/umount -a -r + /sbin/mount -n -o remount,ro / + echo "Rebooting system." + sleep 2 + reboot -f + fi + # Remount the root filesystem in read-write mode + echo "Remounting root device with read-write enabled." + /sbin/mount -w -v -n -o remount / + if [ $? -gt 0 ] ; then + echo "FATAL: Attempt to remount root device as read-write failed! This is going to" + echo "cause serious problems." + fi +else + echo "Testing root filesystem status: read-write filesystem" + echo + echo "ERROR: Root partition has already been mounted read-write. Cannot check!" + echo + echo "For filesystem checking to work properly, your system must initially mount" + echo "the root partition as read only. If you're booting with LILO, add a line:" + echo + echo " read-only" + echo + echo "to the Linux section in your /etc/lilo.conf and type 'lilo' to reinstall it." +fi # Done checking root filesystem + + +# Any /etc/mtab that exists here is old, so we start with a new one: +/bin/rm -f /etc/mtab{,~,.tmp} && /bin/touch /etc/mtab + +# Add entry for / to /etc/mtab: +/sbin/mount -f -w / + +# Add /proc, /sys, and /dev/shm mounts to /etc/mtab: +if [ -d /proc/sys ]; then + /sbin/mount -f -t proc proc /proc +fi +if [ -d /sys/bus ]; then + /sbin/mount -f -t sysfs sysfs /sys +fi +if grep -q '^[^ ]\+ /dev/shm ' /proc/mounts 2> /dev/null ; then + /sbin/mount -f -t tmpfs tmpfs /dev/shm +fi + +# Configure ISA Plug-and-Play devices: +if [ -r /etc/isapnp.conf ]; then + if [ -x /sbin/isapnp ]; then + /sbin/isapnp /etc/isapnp.conf + fi +fi + +# Run the kernel module script. This updates the module dependencies and +# also supports manually loading kernel modules through rc.modules.local. +if [ -x /etc/rc.d/rc.modules ]; then + . /etc/rc.d/rc.modules +fi + +# Configure kernel parameters: +if [ -x /sbin/sysctl -a -r /etc/sysctl.conf ]; then + echo "Configuring kernel parameters: /sbin/sysctl -e --system" + /sbin/sysctl -e --system +elif [ -x /sbin/sysctl ]; then + echo "Configuring kernel parameters: /sbin/sysctl -e --system" + # Don't say "Applying /etc/sysctl.conf" or complain if the file doesn't exist + /sbin/sysctl -e --system 2> /dev/null | grep -v "Applying /etc/sysctl.conf" +fi + +# Check all the non-root filesystems: +if [ ! -r /etc/fastboot ]; then + echo "Checking non-root filesystems:" + /sbin/fsck $FORCEFSCK -C -R -A -a +fi + +# Mount usbfs only if it is found in /etc/fstab: +if grep -wq usbfs /proc/filesystems; then + if ! grep -wq usbfs /proc/mounts ; then + if grep -wq usbfs /etc/fstab; then + /sbin/mount -v /proc/bus/usb + fi + fi +fi + +# Mount non-root file systems in fstab, but not NFS or SMB +# because TCP/IP is not yet configured, and not proc or sysfs +# because those have already been mounted. Also check that +# devpts is not already mounted before attempting to mount +# it. With a 2.6.x or newer kernel udev mounts devpts. +# We also need to wait a little bit to let USB and other +# hotplugged devices settle (sorry to slow down the boot): +echo "Mounting non-root local filesystems:" +sleep 3 +if /bin/grep -wq devpts /proc/mounts ; then + # This pipe after the mount command is just to convert the new + # mount verbose output back to the old format that contained + # more useful information: + /sbin/mount -a -v -t nonfs,nosmbfs,nocifs,noproc,nosysfs,nodevpts | grep successfully | cut -f 1 -d : | tr -d ' ' | while read dev ; do mount | grep "${dev} " ; done +else + /sbin/mount -a -v -t nonfs,nosmbfs,nocifs,noproc,nosysfs | grep successfully | cut -f 1 -d : | tr -d ' ' | while read dev ; do mount | grep "${dev} " ; done +fi + +# Enable swapping again. This is needed in case a swapfile is used, +# as it can't be enabled until the filesystem it resides on has been +# mounted read-write. +/sbin/swapon -a 2> /dev/null + +# Start cgmanager (or cgproxy in a container): +if [ -x /etc/rc.d/rc.cgmanager -a -d /sys/fs/cgroup ]; then + sh /etc/rc.d/rc.cgmanager start +fi + +# Clean up some temporary files: +rm -f /var/run/* /var/run/*/* /var/run/*/*/* /etc/nologin \ + /etc/dhcpc/*.pid /etc/forcefsck /etc/fastboot \ + /var/state/saslauthd/saslauthd.pid \ + /tmp/.Xauth* 1> /dev/null 2> /dev/null + ( cd /var/log/setup/tmp && rm -rf * ) + ( cd /tmp && rm -rf kde-[a-zA-Z]* ksocket-[a-zA-Z]* hsperfdata_[a-zA-Z]* plugtmp* ) + +# Clear /var/lock/subsys: +if [ -d /var/lock/subsys ]; then + rm -f /var/lock/subsys/* +fi + +# Create /tmp/{.ICE-unix,.X11-unix} if they are not present: +if [ ! -e /tmp/.ICE-unix ]; then + mkdir -p /tmp/.ICE-unix + chmod 1777 /tmp/.ICE-unix +fi +if [ ! -e /tmp/.X11-unix ]; then + mkdir -p /tmp/.X11-unix + chmod 1777 /tmp/.X11-unix +fi + +# Create a fresh utmp file: +touch /var/run/utmp +chown root:utmp /var/run/utmp +chmod 664 /var/run/utmp + +# Update the current kernel level in the /etc/motd (Message Of The Day) file, +# if the first line of that file begins with the word 'Linux'. +# You are free to modify the rest of the file as you see fit. +if [ -x /bin/sed ]; then + /bin/sed -i "{1s/^Linux.*/$(/bin/uname -sr)\./}" /etc/motd +fi + +# If there are SystemV init scripts for this runlevel, run them. +if [ -x /etc/rc.d/rc.sysvinit ]; then + . /etc/rc.d/rc.sysvinit +fi + +# Run serial port setup script: +# CAREFUL! This can make some systems hang if the rc.serial script isn't +# set up correctly. If this happens, you may have to edit the file from a +# boot disk, and/or set it as non-executable: +if [ -x /etc/rc.d/rc.serial ]; then + sh /etc/rc.d/rc.serial start +fi + +# Carry an entropy pool between reboots to improve randomness. +if [ -f /etc/random-seed ]; then + echo "Using /etc/random-seed to initialize /dev/urandom." + cat /etc/random-seed > /dev/urandom +fi +# Use the pool size from /proc, or 4096 bits: +if [ -r /proc/sys/kernel/random/poolsize ]; then + dd if=/dev/urandom of=/etc/random-seed count=1 bs=$(expr $(cat /proc/sys/kernel/random/poolsize) / 8) 2> /dev/null +else + dd if=/dev/urandom of=/etc/random-seed count=1 bs=512 2> /dev/null +fi +chmod 600 /etc/random-seed + |