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+#!/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
+
+# Mount /proc right away:
+/sbin/mount -v proc /proc -n -t proc
+
+# 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
+
+# Initialize udev to manage /dev entries and hotplugging for 2.6.x kernels.
+# You may turn off udev by making the /etc/rc.d/rc.udev file non-executable
+# or giving the "nohotplug" option at boot, but in the 2.6.x+ kernels udev
+# has taken over the job of hotplug (finding hardware and loading the kernel
+# modules for it, as well as creating device nodes in /dev). 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, which does not
+# promise to list all of them), 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 with a 2.6 kernel. So use it. :-)
+if grep -wq sysfs /proc/mounts && grep -wq tmpfs /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
+
+# 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).
+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 [ $? = 0 ]; then
+ # Make volume groups available to the kernel.
+ # This should also make logical volumes available.
+ /sbin/vgchange -ay --ignorelockingfailure
+ fi
+fi
+
+# Open any volumes created by cryptsetup:
+if [ -f /etc/crypttab -a -x /sbin/cryptsetup.static ]; then
+ # First, check for device-mapper support.
+ if ! grep -wq device-mapper /proc/devices ; then
+ # If device-mapper exists as a module, try to load it.
+ # Try to load a device-mapper kernel module:
+ /sbin/modprobe -q dm-mod
+ fi
+ # NOTE: we only support LUKS formatted volumes (except for swap)!
+ cat /etc/crypttab | grep -v "^#" | grep -v "^$" | 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
+
+ # Skip LUKS volumes that were already unlocked (in the initrd):
+ /sbin/cryptsetup.static status $LUKS 1>/dev/null 2>/dev/null && continue
+ if /sbin/cryptsetup.static isLuks $DEV 2>/dev/null ; then
+ echo "Unlocking LUKS crypt volume '${LUKS}' on device '$DEV':"
+ if [ -n "${PASS}" ]; then
+ if [ -f ${PASS} ]; then
+ /sbin/cryptsetup.static ${LUKSOPTS} --key-file=${PASS} luksOpen $DEV $LUKS
+ elif [ "${PASS}" != "none" ]; then
+ # A password field of 'none' indicates a line for swap:
+ echo "${PASS}" | /sbin/cryptsetup.static ${LUKSOPTS} luksOpen $DEV $LUKS
+ fi
+ else
+ for i in seq 1 3 ; do
+ /sbin/cryptsetup.static ${LUKSOPTS} luksOpen $DEV $LUKS </dev/tty0 >/dev/tty0 2>&1
+ [ $? -eq 0 ] && break
+ done
+ fi
+ elif echo $OPTS | grep -wq swap ; then
+ # If any of the volumes is to be used as encrypted swap,
+ # then encrypt it using a random key and run mkswap:
+ echo "Creating encrypted swap on device '$DEV' mapped to '${LUKS}':"
+ /sbin/cryptsetup.static --cipher=aes --key-file=/dev/urandom --key-size=256 create $LUKS $DEV
+ mkswap /dev/mapper/$LUKS
+ fi
+ done
+fi
+
+# Enable swapping:
+/sbin/swapon -a
+
+# Start FUSE, if requested:
+if [ -x /etc/rc.d/rc.fuse ]; then
+ sh /etc/rc.d/rc.fuse start
+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 -w rtc /proc/ioports ; then
+ CLOCK_OPT="--directisa"
+ fi
+ if grep -wq "^UTC" /etc/hardwareclock ; then
+ echo "Setting system time from the hardware clock (UTC)."
+ /sbin/hwclock $CLOCK_OPT --utc --hctosys
+ else
+ echo "Setting system time from the hardware clock (localtime)."
+ /sbin/hwclock $CLOCK_OPT --localtime --hctosys
+ fi
+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
+ echo "Attempt to remount root device as read-write failed! This is going to"
+ echo "cause serious problems."
+ echo
+ echo "If you're using the UMSDOS filesystem, you **MUST** mount the root partition"
+ echo "read-write! You can make sure the root filesystem is getting mounted "
+ echo "read-write with the 'rw' flag to Loadlin:"
+ echo
+ echo "loadlin vmlinuz root=/dev/hda1 rw (replace /dev/hda1 with your root device)"
+ echo
+ echo "Normal bootdisks can be made to mount a system read-write with the rdev command:"
+ echo
+ echo "rdev -R /dev/fd0 0"
+ echo
+ echo "You can also get into your system by using a boot disk with a command like this"
+ echo "on the LILO prompt line: (change the root partition name as needed)"
+ echo
+ echo "LILO: mount root=/dev/hda1 rw"
+ echo
+ echo "Please press ENTER to continue, then reboot and use one of the above methods to"
+ echo -n "get into your machine and start looking for the problem. "
+ read junk;
+ 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. Please modify your kernel with 'rdev' so that"
+ echo "it does this. 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."
+ echo
+ echo "If you boot from a kernel on a floppy disk, put it in the drive and type:"
+ echo " rdev -R /dev/fd0 1"
+ echo
+ echo "If you boot from a bootdisk, or with Loadlin, you can add the 'ro' flag."
+ echo
+ echo "This will fix the problem *AND* eliminate this annoying message. :^)"
+ echo
+ echo -n "Press ENTER to continue. "
+ read junk;
+fi # Done checking root filesystem
+
+# Any /etc/mtab that exists here is old, so we delete it to start over:
+/bin/rm -f /etc/mtab*
+# Remounting the / partition will initialize the new /etc/mtab:
+/sbin/mount -w -o remount /
+
+# Read in the correct / filesystem complete with arguments so mount will
+# show them correctly. This does not stop those arguments from functioning
+# but does prevent a small bug with /etc/mtab.
+/bin/grep ' / ' /proc/mounts | grep -v "^rootfs" > /etc/mtab
+
+# Fix /etc/mtab to list sys and proc if they were not yet entered in
+# /etc/mtab because / was still mounted read-only:
+if [ -d /proc/sys ]; then
+ /sbin/mount -f proc /proc -t proc
+fi
+if [ -d /sys/bus ]; then
+ /sbin/mount -f sysfs /sys -t sysfs
+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
+
+# This loads any kernel modules that are needed. These might be required to
+# use your ethernet card, sound card, or other optional hardware.
+# Priority is given first to a script named "rc.modules.local", then
+# to "rc.modules-$FULL_KERNEL_VERSION", and finally to the plain "rc.modules".
+# Note that if /etc/rc.d/rc.modules.local is found, then that will be the ONLY
+# rc.modules script the machine will run, so make sure it has everything in
+# it that you need.
+if [ -x /etc/rc.d/rc.modules.local -a -r /proc/modules ]; then
+ echo "Running /etc/rc.d/rc.modules.local:"
+ /bin/sh /etc/rc.d/rc.modules.local
+elif [ -x /etc/rc.d/rc.modules-$(uname -r) -a -r /proc/modules ]; then
+ echo "Running /etc/rc.d/rc.modules-$(uname -r):"
+ . /etc/rc.d/rc.modules-$(uname -r)
+elif [ -x /etc/rc.d/rc.modules -a -r /proc/modules -a -L /etc/rc.d/rc.modules ]; then
+ echo "Running /etc/rc.d/rc.modules -> $(readlink /etc/rc.d/rc.modules):"
+ . /etc/rc.d/rc.modules
+elif [ -x /etc/rc.d/rc.modules -a -r /proc/modules ]; then
+ echo "Running /etc/rc.d/rc.modules:"
+ . /etc/rc.d/rc.modules
+fi
+
+# Configure runtime kernel parameters:
+if [ -x /sbin/sysctl -a -r /etc/sysctl.conf ]; then
+ /sbin/sysctl -e -p /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:
+if grep -wq usbfs /proc/filesystems; then
+ if ! grep -wq usbfs /proc/mounts ; then
+ if ! grep -wq usbfs /etc/fstab; then
+ /sbin/mount -v usbfs /proc/bus/usb -t usbfs
+ else
+ /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
+ /sbin/mount -a -v -t nonfs,nosmbfs,nocifs,noproc,nosysfs,nodevpts
+else
+ /sbin/mount -a -v -t nonfs,nosmbfs,nocifs,noproc,nosysfs
+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
+
+# 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* )
+
+# 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 512 bytes:
+if [ -r /proc/sys/kernel/random/poolsize ]; then
+ dd if=/dev/urandom of=/etc/random-seed count=1 bs=$(cat /proc/sys/kernel/random/poolsize) 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
+