[init]postfix

By | 2013年5月25日
#!/bin/bash
#
# postfix      Postfix Mail Transfer Agent
#
# chkconfig: 2345 80 30
# description: Postfix is a Mail Transport Agent, which is the program \
#              that moves mail from one machine to another.
# processname: master
# pidfile: /var/spool/postfix/pid/master.pid
# config: /etc/postfix/main.cf
# config: /etc/postfix/master.cf
#
# Based on startup script from Simon J Mudd 
# 25/02/99: Mostly s/sendmail/postfix/g by John A. Martin 
# 23/11/00: Changes & suggestions by Ajay Ramaswamy 
# 20/01/01: Changes to fall in line with RedHat 7.0 style
# 23/02/01: Fix a few untidy problems with help from Daniel Roesen.

### BEGIN INIT INFO
# Provides: postfix MTA
# Required-Start: $local_fs $network $remote_fs
# Required-Stop: $local_fs $network $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop postfix
# Description: Postfix is a Mail Transport Agent, which is the program that 
#              moves mail from one machine to another.
### END INIT INFO

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

RETVAL=0
prog="postfix"
lockfile=/var/lock/subsys/$prog
pidfile=/var/spool/postfix/pid/master.pid

ALIASESDB_STAMP=/var/lib/misc/postfix.aliasesdb-stamp

# Script to update chroot environment
CHROOT_UPDATE=/etc/postfix/chroot-update

status -p $pidfile -l $(basename $lockfile) master >/dev/null 2>&1
running=$?

conf_check() {
    [ -x /usr/sbin/postfix ] || exit 5
    [ -d /etc/postfix ] || exit 6
    [ -d /var/spool/postfix ] || exit 5
}

make_aliasesdb() {
	if [ "$(/usr/sbin/postconf -h alias_database)" == "hash:/etc/aliases" ]
	then
		# /etc/aliases.db may be used by other MTA, make sure nothing
		# has touched it since our last newaliases call
		[ /etc/aliases -nt /etc/aliases.db ] ||
			[ "$ALIASESDB_STAMP" -nt /etc/aliases.db ] ||
			[ "$ALIASESDB_STAMP" -ot /etc/aliases.db ] || return
		/usr/bin/newaliases
		touch -r /etc/aliases.db "$ALIASESDB_STAMP"
	else
		/usr/bin/newaliases
	fi
}

start() {
	[ "$EUID" != "0" ] && exit 4
	# Check that networking is up.
	[ ${NETWORKING} = "no" ] && exit 1
	conf_check
	# Start daemons.
	echo -n $"Starting postfix: "
	make_aliasesdb >/dev/null 2>&1
	[ -x $CHROOT_UPDATE ] && $CHROOT_UPDATE
	/usr/sbin/postfix start 2>/dev/null 1>&2 && success || failure $"$prog start"
	RETVAL=$?
	[ $RETVAL -eq 0 ] && touch $lockfile
        echo
	return $RETVAL
}

stop() {
	[ "$EUID" != "0" ] && exit 4
	conf_check
        # Stop daemons.
	echo -n $"Shutting down postfix: "
	/usr/sbin/postfix stop 2>/dev/null 1>&2 && success || failure $"$prog stop"
	RETVAL=$?
	[ $RETVAL -eq 0 ] && rm -f $lockfile $pidfile
	echo
	return $RETVAL
}

reload() {
	conf_check
	echo -n $"Reloading postfix: "
	[ -x $CHROOT_UPDATE ] && $CHROOT_UPDATE
	/usr/sbin/postfix reload 2>/dev/null 1>&2 && success || failure $"$prog reload"
	RETVAL=$?
	echo
	return $RETVAL
}

abort() {
	conf_check
	/usr/sbin/postfix abort 2>/dev/null 1>&2 && success || failure $"$prog abort"
	return $?
}

flush() {
	conf_check
	/usr/sbin/postfix flush 2>/dev/null 1>&2 && success || failure $"$prog flush"
	return $?
}

check() {
	conf_check
	/usr/sbin/postfix check 2>/dev/null 1>&2 && success || failure $"$prog check"
	return $?
}

# See how we were called.
case "$1" in
  start)
	[ $running -eq 0 ] && exit 0
	start
	;;
  stop)
	[ $running -eq 0 ] || exit 0
	stop
	;;
  restart|force-reload)
	stop
	start
	;;
  reload)
	[ $running -eq 0 ] || exit 7
	reload
	;;
  abort)
	abort
	;;
  flush)
	flush
	;;
  check)
	check
	;;
  status)
  	status -p $pidfile -l $(basename $lockfile) master
	;;
  condrestart)
	[ $running -eq 0 ] || exit 0
	stop
	start
	;;
  *)
	echo $"Usage: $0 {start|stop|restart|reload|abort|flush|check|status|condrestart}"
	exit 2
esac

exit $?

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