File postfix-update-hostname of Package rubygem-webyast-mailsetting

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File postfix-update-hostname of Package rubygem-webyast-mailsetting

#!/bin/bash
#
# Copyright (c) 2010 SUSE LINUX Products GmbH, Germany.
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA
#
usage () {
	echo $@
	echo "usage: $SCRIPTNAME [<config>] <interface> [-o <options>]"
	echo ""
	echo "Options are:"
	echo "    [on]boot : we are currently booting (or shutting down)"
	echo "    debug    : be verbose"
	echo "    dhcp     : indicates that we are called by dhcp client"
	echo "    rc       : indicates that we are called from rcnetwork"
	echo ""
	echo "Any another options are ignored"
	echo ""
	exit $R_USAGE
}

######################################################################
# change the working direcory and source some common files
#
R_INTERNAL=1      # internal error, e.g. no config or missing scripts
cd /etc/sysconfig/network || exit $R_INTERNAL
test -f ./config && . ./config
test -f ./dhcp   && . ./dhcp
test -f scripts/functions && . scripts/functions || exit $R_INTERNAL
test -f /etc/sysconfig/mail    && . /etc/sysconfig/mail
test -f /etc/sysconfig/postfix && . /etc/sysconfig/postfix

######################################################################
# check arguments and how we are called (in case of links)
#
SCRIPTNAME=${0##*/}
debug $*
case $1 in ""|-h|*help*) usage ;; esac
CONFIG="$1"
shift
if [ "x$1" != x -a "x$1" != "x-o" ] ; then
        INTERFACE="$1"
else
        INTERFACE="$CONFIG"
fi
shift
test "x$1" = "x-o" && shift
MODE=''
RUN_FROM_RC=no
DEBUG=${DEBUG:-no}
DHCP=no
while [ $# -gt 0 ]; do
	case $1 in
		boot|onboot) MODE=onboot ;;
		debug)       DEBUG=yes ;;
		dhcp)        DHCP=yes ;;
		rc)          RUN_FROM_RC=yes ;;
		*)           debug unknown option $1 ;;
	esac
	shift
done

# filter out some special interface types
case "$INTERFACE" in
	all|noiface|lo) exit 0 ;;
esac

# source interface config to get per interface settings
test -f ./ifcfg-$CONFIG && . ./ifcfg-$CONFIG || exit 0

# the hostname where we write it for the session time
POSTFIX_DHCP_HOSTNAME_FILE="/var/run/dhcp-hostname"

case $0 in
*if-up.d*)
	# run only as post if-up.d script
	test "x$DHCP"                                = xyes || exit 0

# allow the user to disable this feature
	test "x${POSTFIX_DHCP_HOSTNAME_UPDATE:-yes}" = xyes || exit 0

# only when dhcp is allowed to set the hostname anyway
	test "x$DHCLIENT_SET_HOSTNAME"               = xyes || exit 0

# and when SuSEconfig.postfix handles postfix config
        test "x$MAIL_CREATE_CONFIG"                  = xyes || exit 0

# update when we are the primary (first) dhcp interface
	is_dhcp_primary=`read_cached_config_data primary $INTERFACE`
	test "x$is_dhcp_primary"                     = xyes || exit 0

# write it down and call SuSEconfig.postfix to pickup it
	fqhn=`hostname -f 2>/dev/null`
	rm -f "$POSTFIX_DHCP_HOSTNAME_FILE"
	case $fqhn in
	".") ;;
	*.*)
		{
			echo "FQHOSTNAME=$fqhn"
			echo "INTERFACE=$INTERFACE"
		} > "$POSTFIX_DHCP_HOSTNAME_FILE"
	;;
	esac
	/sbin/SuSEconfig -module postfix
;;
*if-down.d*)
	# cleanup when the we are interface that wrote it
	if test -f "$POSTFIX_DHCP_HOSTNAME_FILE" ; then
		while read line ; do
			case $line in
			""|\#*) continue ;;
			esac
			eval "_$line"
		done < <(cat "$POSTFIX_DHCP_HOSTNAME_FILE" 2>/dev/null)

if test "x$_INTERFACE" != "x" -a \
                        "x$_INTERFACE"  = "x$INTERFACE" ; then
			rm -f "$POSTFIX_DHCP_HOSTNAME_FILE"
			/sbin/SuSEconfig -module postfix &>/dev/null
		fi
	fi
;;
*)
	usage
;;
esac

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File postfix-update-hostname of Package rubygem-webyast-mailsetting

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