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|
#!/bin/sh
# vim:ts=4:sw=4:et:ai:sts=4
# preinst script for vtun
set -e
# summary of how this script can be called:
# * <new-preinst> `install'
# * <new-preinst> `install' <old-version>
# * <new-preinst> `upgrade' <old-version>
# * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
update_conf() {
cat <<END
# Defaults for vtun initscript
# sourced by /etc/init.d/vtun
# Created automatically from /etc/vtund-start.conf
#
# This is a POSIX shell fragment
#
# Should the standalone server be started?
END
server_args="`sed -ne 's/^\s*--server--\s*/-P /p' \
< /etc/vtund-start.conf`"
if [ -n "$server_args" ]; then
echo "RUN_SERVER=yes"
echo "SERVER_ARGS=\"$server_args\""
else
echo "RUN_SERVER=no"
echo "SERVER_ARGS=\"\""
fi
n=0
cat /etc/vtund-start.conf | grep -v '^\s*#\|^\s*$' | sed 's/^\s*//' | \
while read session host args; do
if [ "$session" = "--server--" ]; then
continue
fi
echo ""
echo "CLIENT${n}_NAME=\"$session\""
echo "CLIENT${n}_HOST=\"$host\""
echo "CLIENT${n}_ARGS=\"$args\""
n=$(($n+1))
done
}
create_conf() {
cat <<END
# Defaults for vtun initscript
# sourced by /etc/init.d/vtun
# Created by the maintainer scripts
#
# This is a POSIX shell fragment
#
# Should the standalone server be started?
# RUN_SERVER=no
# SERVER_ARGS="-P 5000"
# Client sessions to start. Up to ten instances can be configured.
#
# Session name
# CLIENT0_NAME=viper
#
# Destination host
# CLIENT0_HOST=vtun-server.somewhere.com.au
#
# Optional parameters
# CLIENT0_ARGS=
#
# CLIENT1_NAME=
# CLIENT1_HOST=
# CLIENT1_ARGS=
END
}
case "$1" in
install|upgrade)
if [ ! -f /etc/default/vtun ]; then
if [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.6-5 && \
[ -f /etc/vtund-start.conf ]; then
# We need to upgrade the old configuration file
update_conf > /etc/default/vtun
else
# We need to provide a default configuration
create_conf > /etc/default/vtun
fi
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
if [ "$1" = upgrade ]; then
echo "vtun must be restarted manually for changes to take effect."
fi
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
|
