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#!/bin/sh
# postinst script for open-isns-discoveryd
. /usr/share/debconf/confmodule
set -e
start=0
case "$1" in
configure)
db_get open-isns-discoveryd/isns-server
if [ -n "$RET" ] ; then
start=1
SERVER_PUBKEY=""
OWNKEY=""
SERVER="$RET"
RET=""
db_get open-isns-discoveryd/server-pubkey || true
if [ -n "$RET" ] && [ -f "$RET" ] ; then
SERVER_PUBKEY="$RET"
fi
RET=""
db_get open-isns-discvoeryd/own-key || true
if [ -n "$RET" ] && [ -f "$RET" ] ; then
OWNKEY="$RET"
fi
# Only install keys if no previous keys exist, but only
# install them we'll end up with both keys.
if [ -n "$SERVER_PUBKEY" ] && ( [ -n "$OWNKEY" ] || [ -f /etc/isns/auth_key ] ) && [ ! -e /etc/isns/server_key.pub ] ; then
cp -a "$SERVER_PUBKEY" /etc/isns/server_key.pub
chown root:root /etc/isns/server_key.pub
chmod 0644 /etc/isns/server_key.pub
fi
if [ -f /etc/isns/server_key.pub ] && [ -n "$OWNKEY" ] && [ ! -e /etc/isns/auth_key ] ; then
cp -a "$OWNKEY" /etc/isns/auth_key
chown root:root /etc/isns/auth_key
chmod 0600 /etc/isns/auth_key
fi
# Modify configuration file (config script determines
# if we should or not)
RET=false
db_get open-isns-discoveryd/isns-server-override || true
if [ "$RET" = true ] ; then
sed -i 's~^[[:space:]]*#*[[:space:]]*ServerAddress[[:space:]]*=.*~ServerAddress = '"$SERVER"'~' /etc/isns/isnsdd.conf
db_set open-isns-discoveryd/isns-server-override false
fi
else
# test if ServerAddress is properly configured; if so, start/restart
# the server
RET="$(grep -E '^[[:space:]]*ServerAddress[[:space:]]*=' /etc/isns/isnsdd.conf | cut -d= -f2- | cut -d# -f1 | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')"
if [ -n "$RET" ] ; then
start=1
fi
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
#DEBHELPER#
# Start isnsdd, but only if the user specified a remote server,
# because otherwise it won't work. Close fd 3 (used by debconf)
# to make sure that it's not left open by the daemon on
# sysvinit systems.
if [ $start -eq 1 ] && [ -x "/etc/init.d/isnsdd" ] ; then
if [ -n "$2" ] ; then
invoke-rc.d isnsdd restart 3>&-
else
invoke-rc.d isnsdd start 3>&-
fi
fi
exit 0
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