postinst is in isc-dhcp-relay 4.3.5-3ubuntu7.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | #!/bin/sh
#
#
set -e
case "$1" in
configure)
# continue below
;;
abort-upgrade|abort-remove|abort-deconfigure)
exit 0
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
# Handle debconf
. /usr/share/debconf/confmodule
# We generate several files during the postinst, and we don't want
# them to be readable only by root.
umask 022
INITCONFFILE=/etc/default/isc-dhcp-relay
# Generate configuration file if it does not exist, using default values.
[ -r "${INITCONFFILE}" ] || {
echo Generating ${INITCONFFILE}... >&2
cat >${INITCONFFILE} <<'EOFMAGICNUMBER1234'
# Defaults for isc-dhcp-relay initscript
# sourced by /etc/init.d/isc-dhcp-relay
# installed at /etc/default/isc-dhcp-relay by the maintainer scripts
#
# This is a POSIX shell fragment
#
# What servers should the DHCP relay forward requests to?
SERVERS="172.16.0.10"
# On what interfaces should the DHCP relay (dhrelay) serve DHCP requests?
INTERFACES="eth0"
# Additional options that are passed to the DHCP relay daemon?
OPTIONS=""
EOFMAGICNUMBER1234
}
# ------------------------- Debconf questions start ---------------------
db_get isc-dhcp-relay/interfaces || true
INTERFACES="${RET}"
TMPFILE=`mktemp -q /tmp/dhcp.config.XXXXXX`
sed -e "s/^[[:space:]]*INTERFACES[[:space:]]*=.*/INTERFACES=\"${INTERFACES}\"/" \
<${INITCONFFILE} >${TMPFILE}
cp ${TMPFILE} ${INITCONFFILE}
rm ${TMPFILE}
db_get isc-dhcp-relay/servers || true
SERVERS="${RET}"
TMPFILE=`mktemp -q /tmp/dhcp.config.XXXXXX`
sed -e "s/^[[:space:]]*SERVERS[[:space:]]*=.*/SERVERS=\"${SERVERS}\"/" \
<${INITCONFFILE} >${TMPFILE}
cp ${TMPFILE} ${INITCONFFILE}
rm ${TMPFILE}
db_get isc-dhcp-relay/options || true
OPTIONS="${RET}"
TMPFILE=`mktemp -q /tmp/dhcp.config.XXXXXX`
sed -e "s/^[[:space:]]*OPTIONS[[:space:]]*=.*/OPTIONS=\"${OPTIONS}\"/" \
<${INITCONFFILE} >${TMPFILE}
cp ${TMPFILE} ${INITCONFFILE}
rm ${TMPFILE}
# ------------------------- Debconf questions end ---------------------
db_stop
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'isc-dhcp-relay.service' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'isc-dhcp-relay.service'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'isc-dhcp-relay.service' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'isc-dhcp-relay.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'isc-dhcp-relay.service' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'isc-dhcp-relay.service'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'isc-dhcp-relay.service' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'isc-dhcp-relay.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'isc-dhcp-relay6.service' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'isc-dhcp-relay6.service'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'isc-dhcp-relay6.service' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'isc-dhcp-relay6.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -d /run/systemd/system ]; then
systemctl --system daemon-reload >/dev/null || true
deb-systemd-invoke start 'isc-dhcp-relay6.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init/isc-dhcp-relay6.conf 4.3.5-3ubuntu1~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init/isc-dhcp-relay.conf 4.3.5-3ubuntu1~ -- "$@"
# End automatically added section
# Automatically added by dh_installinit/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/isc-dhcp-relay" ]; then
update-rc.d isc-dhcp-relay defaults >/dev/null
invoke-rc.d isc-dhcp-relay start || exit 1
fi
fi
# End automatically added section
# Automatically added by dh_installinit/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/isc-dhcp-relay" ]; then
update-rc.d isc-dhcp-relay defaults >/dev/null
invoke-rc.d isc-dhcp-relay start || exit 1
fi
fi
# End automatically added section
# Automatically added by dh_installinit/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/isc-dhcp-relay6" ]; then
update-rc.d isc-dhcp-relay6 defaults >/dev/null
invoke-rc.d isc-dhcp-relay6 start || exit 1
fi
fi
# End automatically added section
exit 0
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