#!/bin/bash
DHCP4_DEFAULT="/etc/default/isc-dhcp-server"
DHCP4_INIT="/etc/init.d/isc-dhcp-server"
DHCP6_DEFAULT="/etc/default/isc-dhcp6-server"
DHCP6_INIT="/etc/init.d/isc-dhcp6-server"
if [ -e "${DHCP4_DEFAULT}" ];
then
echo "${DHCP4_DEFAULT} exists! Overwriting."
fi
if [ -e "${DHCP6_DEFAULT}" ];
then
echo "${DHCP6_DEFAULT} exists! Overwriting."
fi
set -e
cat > ${DHCP4_DEFAULT}<<'_EOF'
# Defaults for isc-dhcp-server initscript
# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
DHCPD_CONF=/etc/dhcp/dhcpd.conf
# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
DHCPD_PID=/var/run/dhcpd.pid
# Additional options to start dhcpd with.
# Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
OPTIONS="-4"
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="eth0"
_EOF
cat > ${DHCP6_DEFAULT}<<'_EOF'
# Defaults for isc-dhcp-server initscript
# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
DHCPD_CONF=/etc/dhcp/dhcpd6.conf
# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
DHCPD_PID=/var/run/dhcpd6.pid
# Additional options to start dhcpd with.
# Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
OPTIONS="-6"
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="eth0"
_EOF
set +e
if [ -e "${DHCP4_INIT}" ];
then
echo "${DHCP4_INIT} exists! Overwriting."
fi
if [ -e "${DHCP6_INIT}" ];
then
echo "${DHCP6_INIT} exists! Overwriting."
fi
set -e
cat > ${DHCP4_INIT}<<'_EOF'
#!/bin/sh
#
#
### BEGIN INIT INFO
# Provides: isc-dhcp-server
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $network $syslog
# Should-Start: $local_fs slapd $named
# Should-Stop: $local_fs slapd
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: DHCP server
# Description: Dynamic Host Configuration Protocol Server
### END INIT INFO
PATH=/sbin:/bin:/usr/sbin:/usr/bin
test -f /usr/sbin/dhcpd || exit 0
DHCPD_DEFAULT="${DHCPD_DEFAULT:-/etc/default/isc-dhcp-server}"
# It is not safe to start if we don't have a default configuration...
if [ ! -f "$DHCPD_DEFAULT" ]; then
echo "$DHCPD_DEFAULT does not exist! - Aborting..."
if [ "$DHCPD_DEFAULT" = "/etc/default/isc-dhcp-server" ]; then
echo "Run 'dpkg-reconfigure isc-dhcp-server' to fix the problem."
fi
exit 0
fi
. /lib/lsb/init-functions
# Read init script configuration
[ -f "$DHCPD_DEFAULT" ] && . "$DHCPD_DEFAULT"
NAME=dhcpd
DESC="ISC DHCP server"
# fallback to default config file
DHCPD_CONF=${DHCPD_CONF:-/etc/dhcp/dhcpd.conf}
# try to read pid file name from config file, with fallback to /var/run/dhcpd.pid
if [ -z "$DHCPD_PID" ]; then
DHCPD_PID=$(sed -n -e 's/^[ \t]*pid-file-name[ \t]*"(.*)"[ \t]*;.*$/\1/p' < "$DHCPD_CONF" 2>/dev/null | head -n 1)
fi
DHCPD_PID="${DHCPD_PID:-/var/run/dhcpd.pid}"
test_config()
{
if ! /usr/sbin/dhcpd -t $OPTIONS -q -cf "$DHCPD_CONF" > /dev/null 2>&1; then
echo "dhcpd self-test failed. Please fix $DHCPD_CONF."
echo "The error was: "
/usr/sbin/dhcpd -t $OPTIONS -cf "$DHCPD_CONF"
exit 1
fi
touch /var/lib/dhcp/dhcpd.leases
}
# single arg is -v for messages, -q for none
check_status()
{
if [ ! -r "$DHCPD_PID" ]; then
test "$1" != -v || echo "$NAME is not running."
return 3
fi
if read pid < "$DHCPD_PID" && ps -p "$pid" > /dev/null 2>&1; then
test "$1" != -v || echo "$NAME is running."
return 0
else
test "$1" != -v || echo "$NAME is not running but $DHCPD_PID exists."
return 1
fi
}
case "$1" in
start)
test_config
log_daemon_msg "Starting $DESC" "$NAME"
start-stop-daemon --start --quiet --pidfile "$DHCPD_PID" \
--exec /usr/sbin/dhcpd -- \
-q $OPTIONS -cf "$DHCPD_CONF" -pf "$DHCPD_PID" $INTERFACES
sleep 2
if check_status -q; then
log_end_msg 0
else
log_failure_msg "check syslog for diagnostics."
log_end_msg 1
exit 1
fi
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
start-stop-daemon --stop --quiet --pidfile "$DHCPD_PID"
log_end_msg $?
rm -f "$DHCPD_PID"
;;
restart | force-reload)
test_config
$0 stop
sleep 2
$0 start
if [ "$?" != "0" ]; then
exit 1
fi
;;
status)
echo -n "Status of $DESC: "
check_status -v
exit "$?"
;;
*)
echo "Usage: $0 {start|stop|restart|force-reload|status}"
exit 1
esac
exit 0
_EOF
cat > ${DHCP6_INIT}<<'_EOF'
#!/bin/sh
#
#
### BEGIN INIT INFO
# Provides: isc-dhcp6-server
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $network $syslog
# Should-Start: $local_fs slapd $named
# Should-Stop: $local_fs slapd
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: DHCP server v6
# Description: Dynamic Host Configuration Protocol Server v6
### END INIT INFO
PATH=/sbin:/bin:/usr/sbin:/usr/bin
test -f /usr/sbin/dhcpd || exit 0
DHCPD_DEFAULT="${DHCPD_DEFAULT:-/etc/default/isc-dhcp6-server}"
# It is not safe to start if we don't have a default configuration...
if [ ! -f "$DHCPD_DEFAULT" ]; then
echo "$DHCPD_DEFAULT does not exist! - Aborting..."
if [ "$DHCPD_DEFAULT" = "/etc/default/isc-dhcp6-server" ]; then
echo "Run 'dpkg-reconfigure isc-dhcp6-server' to fix the problem."
fi
exit 0
fi
. /lib/lsb/init-functions
# Read init script configuration
[ -f "$DHCPD_DEFAULT" ] && . "$DHCPD_DEFAULT"
NAME=dhcpd
DESC="ISC DHCP server"
# fallback to default config file
DHCPD_CONF=${DHCPD_CONF:-/etc/dhcp/dhcpd6.conf}
# try to read pid file name from config file, with fallback to /var/run/dhcpd.pid
if [ -z "$DHCPD_PID" ]; then
DHCPD_PID=$(sed -n -e 's/^[ \t]*pid-file-name[ \t]*"(.*)"[ \t]*;.*$/\1/p' < "$DHCPD_CONF" 2>/dev/null | head -n 1)
fi
DHCPD_PID="${DHCPD_PID:-/var/run/dhcpd6.pid}"
test_config()
{
if ! /usr/sbin/dhcpd -t $OPTIONS -q -cf "$DHCPD_CONF" > /dev/null 2>&1; then
echo "dhcpd self-test failed. Please fix $DHCPD_CONF."
echo "The error was: "
/usr/sbin/dhcpd -t $OPTIONS -cf "$DHCPD_CONF"
exit 1
fi
touch /var/lib/dhcp/dhcpd.leases
}
# single arg is -v for messages, -q for none
check_status()
{
if [ ! -r "$DHCPD_PID" ]; then
test "$1" != -v || echo "$NAME is not running."
return 3
fi
if read pid < "$DHCPD_PID" && ps -p "$pid" > /dev/null 2>&1; then
test "$1" != -v || echo "$NAME is running."
return 0
else
test "$1" != -v || echo "$NAME is not running but $DHCPD_PID exists."
return 1
fi
}
case "$1" in
start)
test_config
log_daemon_msg "Starting $DESC" "$NAME"
start-stop-daemon --start --quiet --pidfile "$DHCPD_PID" \
--exec /usr/sbin/dhcpd -- \
-q $OPTIONS -cf "$DHCPD_CONF" -pf "$DHCPD_PID" $INTERFACES
sleep 2
if check_status -q; then
log_end_msg 0
else
log_failure_msg "check syslog for diagnostics."
log_end_msg 1
exit 1
fi
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
start-stop-daemon --stop --quiet --pidfile "$DHCPD_PID"
log_end_msg $?
rm -f "$DHCPD_PID"
;;
restart | force-reload)
test_config
$0 stop
sleep 2
$0 start
if [ "$?" != "0" ]; then
exit 1
fi
;;
status)
echo -n "Status of $DESC: "
check_status -v
exit "$?"
;;
*)
echo "Usage: $0 {start|stop|restart|force-reload|status}"
exit 1
esac
exit 0
_EOF
# Very Debian specific
# Hacked together at TG15
# FIXME :-D
DHCP4_SYSTEMD="/run/systemd/generator.late/isc-dhcp-server.service"
DHCP6_SYSTEMD="/run/systemd/generator.late/isc-dhcp6-server.service"
cat > ${DHCP4_SYSTEMD}<<'_EOF'
# Automatically generated by bootstrap
[Unit]
SourcePath=/etc/init.d/isc-dhcp-server
Description=LSB: DHCP server
Before=runlevel2.target runlevel3.target runlevel4.target runlevel5.target shutdown.target
After=remote-fs.target network-online.target systemd-journald-dev-log.socket local-fs.target slapd.service nss-lookup.target
Wants=network-online.target
Conflicts=shutdown.target
[Service]
Type=forking
Restart=no
TimeoutSec=5min
IgnoreSIGPIPE=no
KillMode=process
GuessMainPID=no
RemainAfterExit=yes
SysVStartPriority=3
ExecStart=/etc/init.d/isc-dhcp-server start
ExecStop=/etc/init.d/isc-dhcp-server stop
_EOF
cat > ${DHCP6_SYSTEMD}<<'_EOF'
# Automatically generated by bootstrap
[Unit]
SourcePath=/etc/init.d/isc-dhcp6-server
Description=LSB: DHCP server v6
Before=runlevel2.target runlevel3.target runlevel4.target runlevel5.target shutdown.target
After=remote-fs.target network-online.target systemd-journald-dev-log.socket local-fs.target slapd.service nss-lookup.target
Wants=network-online.target
Conflicts=shutdown.target
[Service]
Type=forking
Restart=no
TimeoutSec=5min
IgnoreSIGPIPE=no
KillMode=process
GuessMainPID=no
RemainAfterExit=yes
SysVStartPriority=3
ExecStart=/etc/init.d/isc-dhcp6-server start
ExecStop=/etc/init.d/isc-dhcp6-server stop
_EOF
set +e
chmod 755 ${DHCP4_INIT}
chmod 755 ${DHCP6_INIT}
touch /var/lib/dhcp/dhcpd.leases
touch /var/lib/dhcp/dhcpd6.leases
