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freebsd/etc/rc
Sheldon Hearn c5fd1a4192 Only whack pseudo-terminals into shape if they exist. They might
not yet exist in the DEVFS case.
2000-08-21 14:37:52 +00:00

629 lines
13 KiB
Bash

#!/bin/sh
# $FreeBSD$
# From: @(#)rc 5.27 (Berkeley) 6/5/91
# System startup script run by init on autoboot
# or after single-user.
# Output and error are redirected to console by init,
# and the console is the controlling terminal.
# Note that almost all of the user-configurable behavior is no longer in
# this file, but rather in /etc/defaults/rc.conf. Please check that file
# first before contemplating any changes here. If you do need to change
# this file for some reason, we would like to know about it.
stty status '^T'
# Set shell to ignore SIGINT (2), but not children;
# shell catches SIGQUIT (3) and returns to single user after fsck.
#
trap : 2
trap : 3 # shouldn't be needed
HOME=/
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
export HOME PATH
# BOOTP diskless boot. We have to run the rc file early in order to
# retarget various config files.
#
if [ -r /etc/rc.diskless1 ]; then
dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
if [ ${dlv:=0} != 0 ]; then
. /etc/rc.diskless1
fi
fi
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/rc.conf ]; then
. /etc/defaults/rc.conf
source_rc_confs
elif [ -r /etc/rc.conf ]; then
. /etc/rc.conf
fi
# Configure ccd devices.
#
if [ -r /etc/ccd.conf ]; then
ccdconfig -C
fi
case ${start_vinum} in
[Yy][Ee][Ss])
vinum start
;;
esac
swapon -a
case $1 in
autoboot)
echo Automatic boot in progress...
fsck -p
case $? in
0)
;;
2)
exit 1
;;
4)
reboot
echo "reboot failed... help!"
exit 1
;;
8)
echo "Automatic file system check failed... help!"
exit 1
;;
12)
echo "Reboot interrupted"
exit 1
;;
130)
# interrupt before catcher installed
exit 1
;;
*)
echo "Unknown error in reboot"
exit 1
;;
esac
;;
*)
echo Skipping disk checks ...
;;
esac
set -T
trap "echo 'Reboot interrupted'; exit 1" 3
# root normally must be read/write, but if this is a BOOTP NFS
# diskless boot it does not have to be.
#
case ${root_rw_mount} in
[Nn][Oo] | '')
;;
*)
if ! mount -u -o rw / ; then
echo "Mounting root filesystem rw failed, startup aborted"
exit 1
fi
;;
esac
umount -a >/dev/null 2>&1
# Mount everything except nfs filesystems.
mount -a -t nonfs
case $? in
0)
;;
*)
echo "Mounting /etc/fstab filesystems failed, startup aborted"
exit 1
;;
esac
# Run custom disk mounting function here
#
if [ -n "${diskless_mount}" -a -r "${diskless_mount}" ]; then
sh ${diskless_mount}
fi
# Recover some entropy so the rebooting /dev/random can reseed
#
case ${entropy_file} in
[Nn][Oo] | '')
;;
*)
if [ -f ${entropy_file} -a -r ${entropy_file} -a -w /dev/random ]; then
echo "Reading entropy file"
cat ${entropy_file} > /dev/random
rm -f ${entropy_file}
fi
;;
esac
adjkerntz -i
purgedir() {
local dir file
if [ $# -eq 0 ]; then
purgedir .
else
for dir
do
(
cd "$dir" && for file in .* *
do
[ ."$file" = .. -o ."$file" = ... ] && continue
[ -d "$file" -a ! -L "$file" ] &&
purgedir "$file"
[ -f "$file" ] && rm -f -- "$file"
done
)
done
fi
}
clean_var() {
if [ ! -f /var/run/clean_var ]; then
rm -rf /var/run/*
purgedir /var/spool/lock
rm -rf /var/spool/uucp/.Temp/*
# Keep a copy of the boot messages around
dmesg >/var/run/dmesg.boot
# And an initial utmp file
(cd /var/run && cp /dev/null utmp && chmod 644 utmp;)
>/var/run/clean_var
fi
}
if [ -d /var/run -a -d /var/spool/lock -a -d /var/spool/uucp/.Temp ]; then
# network_pass1() *may* end up writing stuff to /var - we don't want to
# remove it immediately afterwards - *nor* to we want to fail to clean
# an nfs-mounted /var.
clean_var
fi
# Add additional swapfile, if configured.
#
case ${swapfile} in
[Nn][Oo] | '')
;;
*)
if [ -w "${swapfile}" -a -c /dev/vn0b ]; then
echo "Adding ${swapfile} as additional swap."
vnconfig /dev/vn0b ${swapfile} && swapon /dev/vn0b
fi
;;
esac
# Set sysctl variables as early as we can
#
if [ -r /etc/rc.sysctl ]; then
. /etc/rc.sysctl
fi
# Configure serial devices
#
if [ -r /etc/rc.serial ]; then
. /etc/rc.serial
fi
# Start up PC-card configuration
#
if [ -r /etc/rc.pccard ]; then
. /etc/rc.pccard
fi
# Start up the initial network configuration.
#
if [ -r /etc/rc.network ]; then
. /etc/rc.network # We only need to do this once.
network_pass1
fi
case ${ipv6_enable} in
[Yy][Ee][Ss])
if [ -r /etc/rc.network6 ]; then
. /etc/rc.network6 # We only need to do this once also.
network6_pass1
fi
;;
esac
# Mount NFS filesystems if present in /etc/fstab
case "`mount -d -a -t nfs`" in
*mount_nfs*)
echo -n "Mounting NFS file systems"
mount -a -t nfs
echo .
;;
esac
# Whack the pty perms back into shape.
#
if ls /dev/tty[pqrsPQRS]* > /dev/null 2>&1; then
chflags 0 /dev/tty[pqrsPQRS]*
chmod 666 /dev/tty[pqrsPQRS]*
chown root:wheel /dev/tty[pqrsPQRS]*
fi
# Clean up left-over files
#
clean_var # If it hasn't already been done
rm /var/run/clean_var
# Clearing /tmp at boot-time seems to have a long tradition. It doesn't
# help in any way for long-living systems, and it might accidentally
# clobber files you would rather like to have preserved after a crash
# (if not using mfs /tmp anyway).
#
# See also the example of another cleanup policy in /etc/periodic/daily.
#
case ${clear_tmp_enable} in
[Yy][Ee][Ss])
echo clearing /tmp
# prune quickly with one rm, then use find to clean up /tmp/[lq]*
# (not needed with mfs /tmp, but doesn't hurt there...)
(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
find -d . ! -name . ! -name lost+found ! -name quota.user \
! -name quota.group -exec rm -rf -- {} \;)
;;
esac
# Remove X lock files, since they will prevent you from restarting X11
# after a system crash.
#
rm -f /tmp/.X*-lock /tmp/.X11-unix/*
# Snapshot any kernel -c changes back to disk here <someday>.
# This has changed with ELF and /kernel.config.
echo -n 'additional daemons:'
# Start system logging and name service. Named needs to start before syslogd
# if you don't have a /etc/resolv.conf.
#
case ${syslogd_enable} in
[Yy][Ee][Ss])
# Transitional symlink (for the next couple of years :) until all
# binaries have had a chance to move towards /var/run/log.
if [ ! -h /dev/log ]; then
# might complain for r/o root f/s
ln -sf /var/run/log /dev/log
fi
rm -f /var/run/log
echo -n ' syslogd'; syslogd ${syslogd_flags}
;;
esac
echo '.'
# Enable dumpdev so that savecore can see it.
# /var/crash should be a directory or a symbolic link
# to the crash directory if core dumps are to be saved.
#
case ${dumpdev} in
[Nn][Oo] | '')
;;
*)
if [ -e "${dumpdev}" -a -d /var/crash ]; then
dumpon ${dumpdev}
echo -n checking for core dump...
savecore /var/crash
fi
;;
esac
if [ -n "${network_pass1_done}" ]; then
network_pass2
fi
# Enable/Check the quotas (must be after ypbind if using NIS)
#
case ${enable_quotas} in
[Yy][Ee][Ss])
case ${check_quotas} in
[Yy][Ee][Ss])
echo -n 'checking quotas:'
quotacheck -a
echo ' done.'
;;
esac
echo -n 'enabling quotas:'
quotaon -a
echo ' done.'
;;
esac
if [ -n "${network_pass2_done}" ]; then
network_pass3
fi
# Build ps databases
#
dev_mkdb
# Check the password temp/lock file
#
if [ -e /etc/ptmp ]; then
logger -s -p auth.err \
"password file may be incorrect -- /etc/ptmp exists"
fi
case ${accounting_enable} in
[Yy][Ee][Ss])
if [ -d /var/account ]; then
echo 'turning on accounting'
if [ ! -e /var/account/acct ]; then
touch /var/account/acct
fi
accton /var/account/acct
fi
;;
esac
# Make shared lib searching a little faster. Leave /usr/lib first if you
# add your own entries or you may come to grief.
#
ldconfig="/sbin/ldconfig"
case ${ldconfig_insecure} in
[Yy][Ee][Ss])
ldconfig="${ldconfig} -i"
;;
esac
if [ -x /sbin/ldconfig ]; then
case `/usr/bin/objformat` in
elf)
_LDC=/usr/lib
for i in ${ldconfig_paths}; do
if [ -d "${i}" ]; then
_LDC="${_LDC} ${i}"
fi
done
echo 'setting ELF ldconfig path:' ${_LDC}
${ldconfig} -elf ${_LDC}
;;
esac
# Legacy aout support for i386 only
case `sysctl -n hw.machine` in
i386)
# Default the a.out ldconfig path.
: ${ldconfig_paths_aout=${ldconfig_paths}}
_LDC=/usr/lib/aout
for i in ${ldconfig_paths_aout}; do
if [ -d "${i}" ]; then
_LDC="${_LDC} ${i}"
fi
done
echo 'setting a.out ldconfig path:' ${_LDC}
${ldconfig} -aout ${_LDC}
;;
esac
fi
# Now start up miscellaneous daemons that don't belong anywhere else
#
echo -n starting standard daemons:
case ${inetd_enable} in
[Nn][Oo])
;;
*)
echo -n ' inetd'; inetd ${inetd_flags}
;;
esac
case ${cron_enable} in
[Nn][Oo])
;;
*)
echo -n ' cron'; cron
;;
esac
case ${lpd_enable} in
[Yy][Ee][Ss])
echo -n ' printer'; ${lpd_program:-/usr/sbin/lpd} ${lpd_flags}
;;
esac
case ${sendmail_enable} in
[Yy][Ee][Ss])
if [ -r /etc/mail/sendmail.cf ]; then
echo -n ' sendmail'; /usr/sbin/sendmail ${sendmail_flags}
fi
;;
esac
case ${sshd_enable} in
[Yy][Ee][Ss])
if [ -x ${sshd_program:-/usr/sbin/sshd} ]; then
echo -n ' sshd';
${sshd_program:-/usr/sbin/sshd} ${sshd_flags}
fi
;;
esac
case ${usbd_enable} in
[Yy][Ee][Ss])
echo -n ' usbd'; /usr/sbin/usbd ${usbd_flags}
;;
esac
echo '.'
# Recover vi editor files.
find /var/tmp/vi.recover ! -type f -a ! -type d -delete
vibackup=`echo /var/tmp/vi.recover/vi.*`
if [ "${vibackup}" != '/var/tmp/vi.recover/vi.*' ]; then
echo 'Recovering vi editor sessions'
for i in /var/tmp/vi.recover/vi.*; do
# Only test files that are readable.
if [ ! -r "${i}" ]; then
continue
fi
# Unmodified nvi editor backup files either have the
# execute bit set or are zero length. Delete them.
if [ -x "${i}" -o ! -s "${i}" ]; then
rm -f "${i}"
fi
done
# It is possible to get incomplete recovery files, if the editor
# crashes at the right time.
virecovery=`echo /var/tmp/vi.recover/recover.*`
if [ "${virecovery}" != "/var/tmp/vi.recover/recover.*" ]; then
for i in /var/tmp/vi.recover/recover.*; do
# Only test files that are readable.
if [ ! -r "${i}" ]; then
continue
fi
# Delete any recovery files that are zero length,
# corrupted, or that have no corresponding backup file.
# Else send mail to the user.
recfile=`awk '/^X-vi-recover-path:/{print $2}' < "${i}"`
if [ -n "${recfile}" -a -s "${recfile}" ]; then
sendmail -t < "${i}"
else
rm -f "${i}"
fi
done
fi
fi
# Make a bounds file for msgs(1) if there isn't one already
# "Delete important files with symlink" security hole?
#
if [ -d /var/msgs -a ! -f /var/msgs/bounds ]; then
echo 0 > /var/msgs/bounds
fi
case ${update_motd} in
[Nn][Oo] | '')
;;
*)
if T=`mktemp /tmp/_motd.XXXXXX`; then
uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T}
awk '{if (NR == 1) {if ($1 == "FreeBSD") {next} else {print "\n"$0}} else {print}}' < /etc/motd >> ${T}
cmp -s ${T} /etc/motd || {
cp ${T} /etc/motd
chmod 644 /etc/motd
}
rm -f ${T}
fi
;;
esac
# Configure implementation specific stuff
#
arch=`uname -m`
if [ -r /etc/rc.${arch} ]; then
. /etc/rc.${arch}
fi
# Run rc.devfs if readable to customize devfs
#
if [ -r /etc/rc.devfs ]; then
sh /etc/rc.devfs
fi
echo -n additional ABI support:
# Start the Linux binary compatibility if requested.
#
case ${linux_enable} in
[Yy][Ee][Ss])
echo -n ' linux'
if ! kldstat -v | grep -E 'linux(aout|elf)' > /dev/null; then
kldload linux > /dev/null 2>&1
fi
if [ -x /compat/linux/sbin/ldconfig ]; then
/compat/linux/sbin/ldconfig
fi
;;
esac
# Start the SysVR4 binary emulation if requested.
#
case ${svr4_enable} in
[Yy][Ee][Ss])
echo -n ' svr4'; kldload svr4 > /dev/null 2>&1
;;
esac
echo .
# Do traditional (but rather obsolete) rc.local file if it exists. If you
# use this file and want to make it programmatic, source /etc/defaults/rc.conf
# in /etc/rc.local and add your custom variables to /etc/rc.conf, as
# shown below. Please do not put local extensions into /etc/rc itself.
# Use /etc/rc.local
#
# ---- rc.local ----
# if [ -r /etc/defaults/rc.conf ]; then
# . /etc/defaults/rc.conf
# source_rc_confs
# elif [ -r /etc/rc.conf ]; then
# . /etc/rc.conf
# fi
#
# ... additional startup conditionals ...
# ---- rc.local ----
#
if [ -r /etc/rc.local ]; then
echo -n 'starting local daemons:'
sh /etc/rc.local
echo '.'
fi
# For each valid dir in $local_startup, search for init scripts matching *.sh
#
case ${local_startup} in
[Nn][Oo] | '')
;;
*)
echo -n 'Local package initialization:'
for dir in ${local_startup}; do
if [ -d "${dir}" ]; then
for script in ${dir}/*.sh; do
if [ -x "${script}" ]; then
(set -T
trap 'exit 1' 2
${script} start)
fi
done
fi
done
echo .
;;
esac
if [ -n "${network_pass3_done}" ]; then
network_pass4
fi
# Raise kernel security level. This should be done only after `fsck' has
# repaired local file systems if you want the securelevel to be greater than 1.
#
case ${kern_securelevel_enable} in
[Yy][Ee][Ss])
if [ "${kern_securelevel}" -ge 0 ]; then
echo 'Raising kernel security level'
sysctl -w kern.securelevel=${kern_securelevel}
fi
;;
esac
date
exit 0