This commit is contained in:
OBS User unknown
Git OBS Bridge
362
rc.dhcpd
Normal file
362
rc.dhcpd
Normal file
@@ -0,0 +1,362 @@
|
||||
#! /bin/sh
|
||||
# Copyright (c) 1996, 1997, 1998 S.u.S.E. GmbH
|
||||
# Copyright (c) 1998, 1999, 2000, 2001 SuSE GmbH
|
||||
# Copyright (c) 2002, 2003 SuSE Linux AG
|
||||
#
|
||||
# Author: Rolf Haberrecker <rolf@suse.de>, 1997, 1998, 1999
|
||||
# Peter Poeml <poeml@suse.de>, 2000, 2001, 2002, 2003
|
||||
#
|
||||
# /etc/init.d/dhcpd
|
||||
# and its symbolic link
|
||||
# /usr/sbin/rcdhcpd
|
||||
#
|
||||
### BEGIN INIT INFO
|
||||
# Provides: dhcpd
|
||||
# Required-Start: $local_fs $remote_fs $network
|
||||
# X-UnitedLinux-Should-Start: $named $syslog $time
|
||||
# Required-Stop: $local_fs $remote_fs $network
|
||||
# X-UnitedLinux-Should-Stop: $named $syslog
|
||||
# Default-Start: 3 5
|
||||
# Default-Stop: 0 1 2 6
|
||||
# Short-Description: DHCP Server
|
||||
# Description: Start DHCP (Dynamic Host Configuration Protocol)
|
||||
# server. (Note: if configured for failover it
|
||||
# needs to rely on time synchronisation.)
|
||||
### END INIT INFO
|
||||
|
||||
|
||||
if [ -s /etc/sysconfig/dhcpd ]; then
|
||||
|
||||
. /etc/sysconfig/dhcpd
|
||||
|
||||
else
|
||||
# pre 8.0
|
||||
|
||||
# Source SuSE config
|
||||
. /etc/rc.config
|
||||
|
||||
test -s /etc/rc.config.d/dhcpd.rc.config && \
|
||||
. /etc/rc.config.d/dhcpd.rc.config
|
||||
|
||||
# Determine the base and follow a runlevel link name.
|
||||
base=${0##*/}
|
||||
link=${base#*[SK][0-9][0-9]}
|
||||
|
||||
# Force execution if not called by a runlevel directory.
|
||||
test $link = $base && START_DHCPD=yes
|
||||
test "$START_DHCPD" = yes || exit 0
|
||||
|
||||
fi
|
||||
|
||||
|
||||
test "$DHCPD_RUN_CHROOTED" = "yes" && CHROOT_PREFIX=/var/lib/dhcp/
|
||||
DAEMON="DHCP server"
|
||||
[ "$DHCPD_BINARY" = /usr/sbin/dhcpd.lpf ] && DHCPD_BINARY=/usr/sbin/dhcpd
|
||||
DAEMON_BIN=${DHCPD_BINARY:=/usr/sbin/dhcpd}
|
||||
DAEMON_CONF=/etc/dhcpd.conf
|
||||
DAEMON_PIDFILE=/var/run/dhcpd.pid
|
||||
STARTPROC_LOGFILE=/var/log/rc.dhcpd.log
|
||||
SUPPORTS_HUP="no"
|
||||
|
||||
# Shell functions sourced from /etc/rc.status:
|
||||
# rc_check check and set local and overall rc status
|
||||
# rc_status check and set local and overall rc status
|
||||
# rc_status -v ditto but be verbose in local rc status
|
||||
# rc_status -v -r ditto and clear the local rc status
|
||||
# rc_failed set local and overall rc status to failed
|
||||
# rc_failed <num> set local and overall rc status to <num><num>
|
||||
# rc_reset clear local rc status (overall remains)
|
||||
# rc_exit exit appropriate to overall rc status
|
||||
. /etc/rc.status
|
||||
|
||||
# First reset status of this service
|
||||
rc_reset
|
||||
|
||||
# Return values acc. to LSB for all commands but status:
|
||||
# 0 - success
|
||||
# 1 - generic or unspecified error
|
||||
# 2 - invalid or excess argument(s)
|
||||
# 3 - unimplemented feature (e.g. "reload")
|
||||
# 4 - insufficient privilege
|
||||
# 5 - program is not installed
|
||||
# 6 - program is not configured
|
||||
# 7 - program is not running
|
||||
#
|
||||
# Note that starting an already running service, stopping
|
||||
# or restarting a not-running service as well as the restart
|
||||
# with force-reload (in case signalling is not supported) are
|
||||
# considered a success.
|
||||
|
||||
if ! [ -x $DAEMON_BIN ]; then
|
||||
echo >&2 "$0: \"$DAEMON_BIN\" is not an executable file. Exiting."
|
||||
rc_failed 1
|
||||
rc_status -v1
|
||||
rc_exit
|
||||
fi
|
||||
|
||||
# remove empty pid files to avoid disturbing warnings by checkproc/killproc
|
||||
# (these can occur if dhcpd does not start correctly)
|
||||
test -e $DAEMON_PIDFILE && ! test -s $DAEMON_PIDFILE && rm $DAEMON_PIDFILE
|
||||
test -e $CHROOT_PREFIX/$DAEMON_PIDFILE && ! test -s $CHROOT_PREFIX/$DAEMON_PIDFILE && rm $CHROOT_PREFIX/$DAEMON_PIDFILE
|
||||
|
||||
case "$1" in
|
||||
start)
|
||||
echo -n "Starting $DAEMON "
|
||||
|
||||
## If there is no conf file, skip starting of dhcpd
|
||||
## and return with "program not configured"
|
||||
if ! [ -f $DAEMON_CONF ]; then
|
||||
echo -e -n "... no configuration file found";
|
||||
# Tell the user this has skipped
|
||||
rc_status -s
|
||||
# service is not configured
|
||||
exit 6;
|
||||
fi
|
||||
|
||||
## If the interfaces are not set, skip starting of dhcpd
|
||||
## and return with "program not configured"
|
||||
if [ -z "$DHCPD_INTERFACE" ]; then
|
||||
echo -n "... cannot... DHCPD_INTERFACE in /etc/sysconfig/dhcpd is empty!"
|
||||
# Tell the user this has skipped
|
||||
rc_status -s
|
||||
# service is not configured
|
||||
exit 6;
|
||||
fi
|
||||
|
||||
if [ "$DHCPD_INTERFACE" = "ANY" ]; then
|
||||
DHCPD_INTERFACE=""
|
||||
fi
|
||||
|
||||
# it might be necessary to convert "configuration names" (as in
|
||||
# /etc/sysconfig/network/ifcfg-* into "interface names" (like eth*)
|
||||
if [ -x /sbin/getcfg-interface ]; then
|
||||
unset interfaces
|
||||
for i in $DHCPD_INTERFACE; do
|
||||
interfaces="$interfaces$(/sbin/getcfg-interface $i) "
|
||||
done
|
||||
DHCPD_INTERFACE=$interfaces
|
||||
fi
|
||||
|
||||
jail=/var/lib/dhcp; leases=dhcpd.leases
|
||||
if ! [ -e $jail/db/$leases ]; then
|
||||
# until 9.0, the lease file was in /var/lib/dhcp and part of the package
|
||||
if test -e $jail/$leases -a '!' -L $jail/$leases; then
|
||||
# this is the case where the %post script runs _before_ the old package is
|
||||
# removed (i.e., dhcpd.leases has not renamed to .rpmsave yet)
|
||||
mv $jail/$leases $jail/db/$leases && \
|
||||
ln -s db/$leases $jail/
|
||||
elif test -e $jail/$leases.rpmsave; then
|
||||
# this is what's left when the package is already gone.
|
||||
mv $jail/$leases.rpmsave $jail/db/$leases && \
|
||||
ln -s db/$leases $jail/
|
||||
else
|
||||
# fresh installation:
|
||||
# a lease file must be present. the server won't start without
|
||||
touch $jail/db/$leases
|
||||
fi
|
||||
fi
|
||||
|
||||
if test "$DHCPD_RUN_CHROOTED" = "yes" ; then
|
||||
## copy the conf file to the chroot jail (dhcpd has to be restarted anyway,
|
||||
## when it has changed) and change path to leases file
|
||||
for i in $DAEMON_CONF $DHCPD_CONF_INCLUDE_FILES; do
|
||||
test -d $CHROOT_PREFIX/${i%/*} || mkdir -p $CHROOT_PREFIX/${i%/*}
|
||||
done
|
||||
for i in $DAEMON_CONF $DHCPD_CONF_INCLUDE_FILES /etc/{resolv.conf,host.conf,hosts,localtime}; do
|
||||
if ! test -e $i; then continue; fi # neither of them is absolutely necessary
|
||||
cp -aL $i $CHROOT_PREFIX/$i &>/dev/null \
|
||||
|| { echo "...$0:$LINENO: could not copy $i to chroot jail"; rc_failed; rc_status -v1; exit 6; }
|
||||
done
|
||||
libdir=/$(basename $(echo /var/lib/dhcp/lib*))
|
||||
for i in /$libdir/{libresolv.so.2,libnss_dns{,6}.so.2}; do
|
||||
if [ -s $i ]; then
|
||||
cp -pL $i /var/lib/dhcp/$libdir/ \
|
||||
|| { echo "...$0:$LINENO: could not copy $i to chroot jail"; rc_failed; rc_status -v1; exit 6; }
|
||||
fi
|
||||
done
|
||||
DHCPD_ARGS="-chroot $CHROOT_PREFIX -lf /db/dhcpd.leases"
|
||||
|
||||
## If there is a pid file containing a pid, the machine might have crashed. pid files in
|
||||
## /var/run are always cleaned up at boot time, but this is not the case for the pid file in
|
||||
## the chroot jail. Therefore, and old pid file may exist. This is only a problem if it
|
||||
## incidentally contains the pid of a running process. If this process is not a 'dhcpd',
|
||||
## we remove the pid. (dhcpd itself only checks whether the pid is alive or not.)
|
||||
if test -e $CHROOT_PREFIX/$DAEMON_PIDFILE -a -s $CHROOT_PREFIX/$DAEMON_PIDFILE; then
|
||||
i=$(<$CHROOT_PREFIX/$DAEMON_PIDFILE)
|
||||
if pidof dhcpd &>/dev/null; then
|
||||
echo -n "(already running) "
|
||||
else
|
||||
rm $CHROOT_PREFIX/$DAEMON_PIDFILE
|
||||
fi
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
if [ -n "$DHCPD_RUN_AS" ]; then
|
||||
DHCPD_RUN_AS_GROUP="$(getent group $(getent passwd $DHCPD_RUN_AS | cut -d: -f4) | cut -d: -f1)"
|
||||
DHCPD_ARGS="$DHCPD_ARGS -user $DHCPD_RUN_AS -group $DHCPD_RUN_AS_GROUP"
|
||||
fi
|
||||
|
||||
|
||||
## check syntax with -t (output to log file) and start only when the syntax is okay
|
||||
rm -f $STARTPROC_LOGFILE # start log
|
||||
error=0
|
||||
if ! $DAEMON_BIN -t -cf $CHROOT_PREFIX/$DAEMON_CONF > $STARTPROC_LOGFILE 2>&1 ; then
|
||||
error=1
|
||||
else
|
||||
## Start daemon. If this fails the return value is set appropriate.
|
||||
## The init script should return 0, even if service is already running,
|
||||
## to match the LSB spec.
|
||||
|
||||
test "$2" = "-v" && echo -en \
|
||||
"\nexecuting '$DAEMON_BIN $DHCPD_ARGS $DHCPD_OTHER_ARGS $DHCPD_INTERFACE'"
|
||||
|
||||
$DAEMON_BIN $DHCPD_ARGS $DHCPD_OTHER_ARGS $DHCPD_INTERFACE &> $STARTPROC_LOGFILE
|
||||
ret=$?
|
||||
fi
|
||||
|
||||
if [ $error -gt 0 -o ${ret:-0} -gt 0 ]; then
|
||||
cat $STARTPROC_LOGFILE
|
||||
## set status to failed
|
||||
rc_failed
|
||||
else
|
||||
[ "$DHCPD_RUN_CHROOTED" = "yes" ] && echo -n "[chroot]" || :
|
||||
fi
|
||||
|
||||
# Remember status and be verbose
|
||||
rc_status -v
|
||||
;;
|
||||
stop)
|
||||
echo -n "Shutting down $DAEMON "
|
||||
|
||||
## Stop daemon with killproc(8) and if this fails
|
||||
## set echo the echo return value.
|
||||
|
||||
killproc -p $CHROOT_PREFIX/$DAEMON_PIDFILE -TERM $DAEMON_BIN
|
||||
ret=$?
|
||||
if test -s $CHROOT_PREFIX/$DAEMON_PIDFILE; then
|
||||
kill $(<$CHROOT_PREFIX/$DAEMON_PIDFILE) 2>/dev/null
|
||||
fi
|
||||
|
||||
# remove libraries from the chroot jail, just so they are not left over
|
||||
# if the server is deinstalled
|
||||
if [ "$DHCPD_RUN_CHROOTED" = yes ]; then
|
||||
rm -f $CHROOT_PREFIX/lib*/*
|
||||
fi
|
||||
|
||||
# Remember status and be verbose
|
||||
rc_failed $ret
|
||||
rc_status -v
|
||||
;;
|
||||
try-restart)
|
||||
## Do a restart only if the service was active before.
|
||||
## Note: try-restart is now part of LSB (as of 1.9).
|
||||
## RH has a similar command named condrestart.
|
||||
$0 status
|
||||
if test $? = 0; then
|
||||
$0 restart
|
||||
else
|
||||
rc_reset # Not running is not a failure.
|
||||
fi
|
||||
# Remember status and be quiet
|
||||
rc_status
|
||||
;;
|
||||
restart)
|
||||
## Stop the service and regardless of whether it was
|
||||
## running or not, start it again.
|
||||
$0 stop
|
||||
sleep 3
|
||||
$0 start
|
||||
|
||||
# Remember status and be quiet
|
||||
rc_status
|
||||
;;
|
||||
force-reload)
|
||||
## Signal the daemon to reload its config. Most daemons
|
||||
## do this on signal 1 (SIGHUP).
|
||||
## If it does not support it, restart.
|
||||
|
||||
echo -n "Reload service $DAEMON"
|
||||
|
||||
if [ "$SUPPORTS_HUP" = "yes" ]; then
|
||||
killproc -p $DAEMON_PIDFILE -HUP $DAEMON_BIN
|
||||
#touch $DAEMON_PIDFILE
|
||||
rc_status -v
|
||||
else
|
||||
$0 stop && sleep 3 && $0 start
|
||||
rc_status
|
||||
fi
|
||||
;;
|
||||
reload)
|
||||
## Like force-reload, but if daemon does not support
|
||||
## signalling, do nothing (!)
|
||||
|
||||
if [ "$SUPPORTS_HUP" = "yes" ]; then
|
||||
# If it supports signalling:
|
||||
echo -n "Reload service $DAEMON"
|
||||
killproc -p $DAEMON_PIDFILE -HUP $DAEMON_BIN
|
||||
#touch $DAEMON_PIDFILE
|
||||
rc_status -v
|
||||
else
|
||||
## Otherwise if it does not support reload:
|
||||
rc_failed 3
|
||||
rc_status -v
|
||||
fi
|
||||
;;
|
||||
status)
|
||||
echo -n "Checking for $DAEMON: "
|
||||
## Check status with checkproc(8), if process is running
|
||||
## checkproc will return with exit status 0.
|
||||
|
||||
# Status has a slightly different for the status command:
|
||||
# 0 - service running
|
||||
# 1 - service dead, but /var/run/ pid file exists
|
||||
# 2 - service dead, but /var/lock/ lock file exists
|
||||
# 3 - service not running
|
||||
|
||||
# NOTE: checkproc returns LSB compliant status values.
|
||||
checkproc -p $CHROOT_PREFIX/$DAEMON_PIDFILE $DAEMON_BIN
|
||||
rc_status -v
|
||||
;;
|
||||
probe)
|
||||
## Optional: Probe for the necessity of a reload,
|
||||
## give out the argument which is required for a reload.
|
||||
|
||||
rc=0
|
||||
for i in /etc/sysconfig/dhcpd $DAEMON_CONF $DHCPD_CONF_INCLUDE_FILES; do
|
||||
test $i -nt $CHROOT_PREFIX/$DAEMON_PIDFILE && rc=1
|
||||
done
|
||||
test $rc = 1 && echo restart
|
||||
;;
|
||||
check-syntax|syntax-check)
|
||||
echo "Checking syntax of $DAEMON_CONF: "
|
||||
|
||||
## this nice bit is from Edwin Groothuis:
|
||||
## check syntax (quiet)
|
||||
$DAEMON_BIN -q -t -cf $DAEMON_CONF
|
||||
if ! [ $? -eq 0 ]; then
|
||||
## check syntax (verbose)
|
||||
$DAEMON_BIN -t -cf $DAEMON_CONF
|
||||
echo -e '\nConfig is NOT okay\n'
|
||||
else
|
||||
echo 'Config is okay. Hope you also specified existent network devices ;) '
|
||||
|
||||
## in v3, lease file checking is also implemented
|
||||
if [ $DAEMON_BIN != "/usr/sbin/dhcpd-2" ]; then
|
||||
## check leases file (quiet)
|
||||
$DAEMON_BIN -q -T -cf $DAEMON_CONF -lf /var/lib/dhcp/db/dhcpd.leases
|
||||
if ! [ $? -eq 0 ]; then
|
||||
## check leases file (verbose)
|
||||
$DAEMON_BIN -T -cf $DAEMON_CONF -lf /var/lib/dhcp/db/dhcpd.leases
|
||||
echo -e '\nLease file is NOT okay'
|
||||
else
|
||||
echo 'Lease file is okay'
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
;;
|
||||
*)
|
||||
echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe|check-syntax} [-v]"
|
||||
exit 1
|
||||
esac
|
||||
rc_exit
|
||||
Reference in New Issue
Block a user