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-rw-r--r--source/a/sysvinit-scripts/scripts/rc.S358
1 files changed, 194 insertions, 164 deletions
diff --git a/source/a/sysvinit-scripts/scripts/rc.S b/source/a/sysvinit-scripts/scripts/rc.S
index ecf2e550..1edce78e 100644
--- a/source/a/sysvinit-scripts/scripts/rc.S
+++ b/source/a/sysvinit-scripts/scripts/rc.S
@@ -7,26 +7,33 @@
PATH=/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin
+# If we are in an lxc container, set $container to skip parts of the script.
+# Thanks to Matteo Bernardini <ponce@slackbuilds.org> and Chris Willing for
+# the initial work making this script lxc compatible.
+if grep -aq container=lxc /proc/1/environ 2> /dev/null ; then
+ container="lxc"
+fi
+
# Mount /proc if it is not already mounted:
-if [ ! -d /proc/sys ]; then
+if [ ! -d /proc/sys -a -z "$container" ]; then
/sbin/mount -v proc /proc -n -t proc 2> /dev/null
fi
# Mount /sys if it is not already mounted:
-if [ ! -d /sys/kernel ]; then
+if [ ! -d /sys/kernel -a -z "$container" ]; then
/sbin/mount -v sysfs /sys -n -t sysfs 2> /dev/null
fi
# If /run exists, mount a tmpfs on it (unless the
# initrd has already done so):
-if [ -d /run ]; then
+if [ -d /run -a -z "$container" ]; then
if ! grep -wq "tmpfs /run tmpfs" /proc/mounts ; then
/sbin/mount -v -n -t tmpfs tmpfs /run -o mode=0755,size=32M,nodev,nosuid,noexec
fi
fi
# Load the loop device kernel module:
-if [ -x /etc/rc.d/rc.loop ]; then
+if [ -x /etc/rc.d/rc.loop -a -z "$container" ]; then
/etc/rc.d/rc.loop start
fi
@@ -40,34 +47,36 @@ fi
# So use it. :-)
if grep -wq sysfs /proc/mounts && grep -q devtmpfs /proc/filesystems ; then
if ! grep -wq nohotplug /proc/cmdline ; then
- if [ -x /etc/rc.d/rc.udev ]; then
+ if [ -x /etc/rc.d/rc.udev -a -z "$container" ]; then
/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,size=8M 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
+if [ -z "$container" ]; then
+ if grep -wq cgroup /proc/filesystems ; then
+ if [ -d /sys/fs/cgroup ]; then
+ # See linux-*/Documentation/cgroups/cgroups.txt (section 1.6)
+ # Check if we have some tools to autodetect the available cgroup controllers
+ if [ -x /bin/cut -a -x /bin/tail ]; then
+ # Mount a tmpfs as the cgroup filesystem root
+ mount -t tmpfs -o mode=0755,size=8M cgroup_root /sys/fs/cgroup
+ # Autodetect available controllers and mount them in subfolders
+ controllers="$(/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
- # We can't use autodetection so fall back mounting them all together
- mount -t cgroup cgroup /sys/fs/cgroup
+ mkdir -p /dev/cgroup
+ mount -t cgroup cgroup /dev/cgroup
fi
- else
- mkdir -p /dev/cgroup
- mount -t cgroup cgroup /dev/cgroup
fi
fi
@@ -76,21 +85,23 @@ fi
# /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 [ $? = 0 ]; then
- # Make volume groups available to the kernel.
- # This should also make logical volumes available.
- /sbin/vgchange -ay --ignorelockingfailure
+if [ -z "$container" ]; then
+ # 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 [ $? = 0 ]; then
+ # Make volume groups available to the kernel.
+ # This should also make logical volumes available.
+ /sbin/vgchange -ay --ignorelockingfailure
+ fi
fi
fi
@@ -124,7 +135,7 @@ fi
# be formatted as a new encrypted volume with a random key on boot, and used as
# swap.
#
-if [ -f /etc/crypttab -a -x /sbin/cryptsetup ]; then
+if [ -f /etc/crypttab -a -x /sbin/cryptsetup -a -z "$container" ]; 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.
@@ -172,25 +183,29 @@ if [ -f /etc/crypttab -a -x /sbin/cryptsetup ]; then
fi
# Enable swapping:
-/sbin/swapon -a 2> /dev/null
+if [ -z "$container" ]; then
+ /sbin/swapon -a 2> /dev/null
+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=$FREQ)"
+if [ -z "$container" ]; then
+ 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=$FREQ)"
+ fi
fi
# Set the system time from the hardware clock using hwclock --hctosys.
-if [ -x /sbin/hwclock ]; then
+if [ -x /sbin/hwclock -a -z "$container" ]; 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
@@ -214,106 +229,113 @@ if [ -x /sbin/hwclock ]; then
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"
+if [ -z "$container" ]; then
+ READWRITE=no
+ if touch /fsrwtestfile 2>/dev/null; then
+ rm -f /fsrwtestfile
+ READWRITE=yes
+ else
+ echo "Testing root filesystem status: read-only filesystem"
+ fi
fi
# See if a forced filesystem check was requested at shutdown:
-if [ -r /etc/forcefsck ]; then
+if [ -r /etc/forcefsck -a -z "$container" ]; then
FORCEFSCK="-f"
fi
-# If we're using F2FS for the root filesystem, don't check it as it doesn't
-# allow checking a read-only filesystem:
-if grep -q ' / f2fs ' /proc/mounts ; then
- echo "Remounting root device with read-write enabled."
- /sbin/mount -w -v -n -o remount /
-elif [ ! $READWRITE = yes ]; then
- # Check the root filesystem:
- 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 [ $RETVAL -ge 4 ]; then
- echo
- echo "***********************************************************"
- echo "*** An error occurred during the root filesystem check. ***"
- echo "*** You will now be given a chance to log into the ***"
- echo "*** system in single-user mode to fix the problem. ***"
- echo "*** ***"
- echo "*** If you are using the ext2 filesystem, running ***"
- echo "*** 'e2fsck -v -y <partition>' might help. ***"
- echo "***********************************************************"
- echo
- echo "Once you exit the single-user shell, the system will reboot."
- echo
- PS1="(Repair filesystem) \#"; export PS1
- sulogin
- else # With an error code of 2 or 3, reboot the machine automatically:
- echo
- echo "***********************************"
- echo "*** The filesystem was changed. ***"
- echo "*** The system will now reboot. ***"
- echo "***********************************"
- echo
+# Check the root filesystem:
+if [ -z "$container" ]; then
+ # If we're using F2FS for the root filesystem, don't check it as it doesn't
+ # allow checking a read-only filesystem:
+ if grep -q ' / f2fs ' /proc/mounts ; then
+ echo "Remounting root device with read-write enabled."
+ /sbin/mount -w -v -n -o remount /
+ elif [ ! $READWRITE = yes ]; then
+ # Check the root filesystem:
+ RETVAL=0
+ if [ ! -r /etc/fastboot ]; then
+ echo "Checking root filesystem:"
+ /sbin/fsck $FORCEFSCK -C -a /
+ RETVAL=$?
fi
- echo "Unmounting file systems."
- /sbin/umount -a -r
- /sbin/mount -n -o remount,ro /
- echo "Rebooting system."
- 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
+ # 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."
+ 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 [ $? -gt 0 ] ; then
+ echo "FATAL: Attempt to remount root device as read-write failed! This is going to"
+ echo "cause serious problems."
+ fi
+ else
+ echo "Testing root filesystem status: read-write filesystem"
+ echo
+ echo "ERROR: Root partition has already been mounted read-write. Cannot check!"
+ echo
+ echo "For filesystem checking to work properly, your system must initially mount"
+ echo "the root partition as read only. If you're booting with LILO, add a line:"
+ echo
+ echo " read-only"
+ echo
+ echo "to the Linux section in your /etc/lilo.conf and type 'lilo' to reinstall it."
+ fi # Done checking root filesystem
+fi
# If /etc/mtab is a symlink (probably to /proc/mounts) then we don't want to mess with it.
if [ ! -L /etc/mtab -o ! -r /etc/mtab ]; then
# /etc/mtab is a file (or doesn't exist), so we'll handle it the old way:
# Any /etc/mtab that exists here is old, so we start with a new one:
/bin/rm -f /etc/mtab{,~,.tmp} && /bin/touch /etc/mtab
- # Add /, /proc, /sys, and /dev/shm mounts to /etc/mtab:
- /sbin/mount -f -w /
- if [ -d /proc/sys ]; then
- /sbin/mount -f -t proc proc /proc
- fi
- if [ -d /sys/bus ]; then
- /sbin/mount -f -t sysfs sysfs /sys
- fi
- if grep -q '^[^ ]\+ /dev/shm ' /proc/mounts 2> /dev/null ; then
- /sbin/mount -f -t tmpfs tmpfs /dev/shm
+ if [ -z "$container" ]; then
+ # Add /, /proc, /sys, and /dev/shm mounts to /etc/mtab:
+ /sbin/mount -f -w /
+ 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
fi
fi
# Configure ISA Plug-and-Play devices:
-if [ -r /etc/isapnp.conf ]; then
+if [ -r /etc/isapnp.conf -a -z "$container" ]; then
if [ -x /sbin/isapnp ]; then
/sbin/isapnp /etc/isapnp.conf
fi
@@ -321,31 +343,33 @@ fi
# Run the kernel module script. This updates the module dependencies and
# also supports manually loading kernel modules through rc.modules.local.
-if [ -x /etc/rc.d/rc.modules ]; then
+if [ -x /etc/rc.d/rc.modules -a -z "$container" ]; then
/etc/rc.d/rc.modules
fi
# Configure kernel parameters:
-if [ -x /sbin/sysctl -a -r /etc/sysctl.conf ]; then
+if [ -x /sbin/sysctl -a -r /etc/sysctl.conf -a -z "$container" ]; then
echo "Configuring kernel parameters: /sbin/sysctl -e --system"
/sbin/sysctl -e --system
-elif [ -x /sbin/sysctl ]; then
+elif [ -x /sbin/sysctl -a -z "$container" ]; 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
+if [ ! -r /etc/fastboot -a -z "$container" ]; then
echo "Checking non-root filesystems:"
/sbin/fsck $FORCEFSCK -C -R -A -a
fi
# Mount usbfs only if it is found in /etc/fstab:
-if grep -wq usbfs /proc/filesystems; then
- if ! grep -wq usbfs /proc/mounts ; then
- if grep -wq usbfs /etc/fstab; then
- /sbin/mount -v /proc/bus/usb
+if [ -z "$container" ]; then
+ 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
fi
@@ -355,14 +379,16 @@ fi
# 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.
-echo "Mounting non-root local filesystems:"
-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 " ${dev} " ; done
+if [ -z "$container" ]; then
+ echo "Mounting non-root local filesystems:"
+ 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 " ${dev} " ; done
+ fi
fi
# Make sure that /var/run is a symbolic link pointing to /run:
@@ -373,7 +399,9 @@ fi
# Enable swapping again. This is needed in case a swapfile is used,
# as it can't be enabled until the filesystem it resides on has been
# mounted read-write.
-/sbin/swapon -a 2> /dev/null
+if [ -z "$container" ]; then
+ /sbin/swapon -a 2> /dev/null
+fi
# Start libcgroup services:
if [ -x /etc/rc.d/rc.cgconfig -a -x /etc/rc.d/rc.cgred -a -d /sys/fs/cgroup ]; then
@@ -430,19 +458,21 @@ fi
# 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
+if [ -x /etc/rc.d/rc.serial -a -z "$container" ]; then
/etc/rc.d/rc.serial start
fi
# Carry an entropy pool between reboots to improve randomness.
-if [ -f /etc/random-seed ]; then
- echo "Using /etc/random-seed to initialize /dev/urandom."
- cat /etc/random-seed > /dev/urandom
-fi
-# Use the pool size from /proc, or 4096 bits:
-if [ -r /proc/sys/kernel/random/poolsize ]; then
- dd if=/dev/urandom of=/etc/random-seed count=1 bs=$(expr $(cat /proc/sys/kernel/random/poolsize) / 8) 2> /dev/null
-else
- dd if=/dev/urandom of=/etc/random-seed count=1 bs=512 2> /dev/null
+if [ -z "$container" ]; then
+ 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
fi
-chmod 600 /etc/random-seed