File dbmail-timsieved.init of Package dbmail3

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File dbmail-timsieved.init of Package dbmail3 (Revision bea07ee0a505e4a6bedd128a8d69b37f)

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#!/bin/sh
# Copyright (c) 2011-2012 Centar Novih Tehnologija, Ruma, Srbija
# All rights reserved.
#
# Author: Zsolt Baji <bajizs@cnt.rs>
#
# /etc/init.d/dbmail-timsieved
#   and its symbolic link
# /usr/sbin/rcdbmail-timsieved
#
#    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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
### BEGIN INIT INFO
# Provides:          dbmail-timsieved
# Required-Start:    $network $named $syslog $time $remote_fs
# Should-Start:      mysql pgsql
# Required-Stop:     $network $named $syslog $time $remote_fs
# Should-Stop:       mysql pgsql
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: starts the dbmail sieve daemon
# Description:       starts the dbmail sieve daemon
### END INIT INFO
#

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
dbmail_BIN=/usr/sbin/dbmail-timsieved
test -x $dbmail_BIN || { echo "$dbmail_BIN not installed"; 
	if [ "$1" = "stop" ]; then exit 0;
	else exit 5; fi; }

# Check for existence of needed config file and read it
dbmail_CONFIG=/etc/dbmail.conf
test -r $dbmail_CONFIG || { echo "$dbmail_CONFIG not existing";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

# Read config

# Function: get_config_list config_file
          # Purpose : Print the list of configs from config file
get_config_list()
{
   typeset config_file=$1

awk -F '[][]' '
      NF==3 && $0 ~ /^\[.*\]/ { print $2 }
   ' ${config_file}
}

# Function : set_config_vars config_file config [var_prefix]
# Purpose  : Set variables (optionaly prefixed by var_prefix) from config in config file
set_config_vars()
{
   typeset config_file=$1
   typeset config=$2
   typeset var_prefix=$3
   typeset config_vars

config_vars=$(
        awk -F= -v Config="${config}" -v Prefix="${var_prefix}" '
        BEGIN {
           Config = toupper(Config);
           patternConfig = "\\[" Config "]";
        }
        toupper($0)  ~ patternConfig,(/\[/ && toupper($0) !~ patternConfig)  {
           if (/\[/ || NF <2) next;
           if (/^#/) next;
           sub(/^[[:space:]]*/, "");
           sub(/[[:space:]]*=[[:space:]]*/, "=\"");
           sub(/$/, "\"");
           print Prefix $0;
        } ' ${config_file} )

eval "${config_vars}"
}

# Set variables for all config from config file
set_config_vars $dbmail_CONFIG DBMAIL CFG_DBMAIL_

# Check PIDs directory
PIDDIR=$CFG_DBMAIL_pid_directory
test -d $PIDDIR || { install -Dd -m 0750 $PIDDIR; chown $CFG_DBMAIL_effective_user:$CFG_DBMAIL_effective_group $PIDDIR; }

# Source LSB init functions
# providing start_daemon, killproc, pidofproc, 
# log_success_msg, log_failure_msg and log_warning_msg.
# This is currently not used by UnitedLinux based distributions and
# not needed for init scripts for UnitedLinux only. If it is used,
# the functions from rc.status should not be sourced or used.
#. /lib/lsb/init-functions

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status

# Reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0	  - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting dbmail-timsieved "
	## Start daemon with startproc(8). If this fails
	## the return value is set appropriately by startproc.
	/sbin/startproc $dbmail_BIN

# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down dbmail-timsieved "
	## Stop daemon with killproc(8) and if this fails
	## killproc sets the return value according to LSB.

/sbin/killproc -TERM $dbmail_BIN

# Remember status and be verbose
	rc_status -v
	;;
    try-restart|condrestart)
	## Do a restart only if the service was active before.
	## Note: try-restart is now part of LSB (as of 1.9).
	## RH has a similar command named condrestart.
	if test "$1" = "condrestart"; then
		echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
	fi
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset	# Not running is not a failure.
	fi
	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start

# Remember status and be quiet
	rc_status
	;;
    force-reload)
	## Signal the daemon to reload its config. Most daemons
	## do this on signal 1 (SIGHUP).
	## If it does not support it, restart the service if it
	## is running.

echo -n "Reload service dbmail-timsieved "
	## if it supports it:
	/sbin/killproc -HUP $dbmail_BIN
	#touch /var/run/FOO.pid
	rc_status -v

## Otherwise:
	#$0 try-restart
	#rc_status
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signaling, do nothing (!)

# If it supports signaling:
	echo -n "Reload service dbmail-timsieved "
	/sbin/killproc -HUP $dbmail_BIN
	#touch /var/run/FOO.pid
	rc_status -v
	
	## Otherwise if it does not support reload:
	#rc_failed 3
	#rc_status -v
	;;
    status)
	echo -n "Checking for service dbmail-timsieved "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
	
	# NOTE: checkproc returns LSB compliant status values.
	/sbin/checkproc $dbmail_BIN
	# NOTE: rc_status knows that we called this init script with
	# "status" option and adapts its messages accordingly.
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload, print out the
	## argument to this init script which is required for a reload.
	## Note: probe is not (yet) part of LSB (as of 1.9)

test $dbmail_CONFIG -nt /var/run/dbmail-timsieved.pid && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit

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File dbmail-timsieved.init of Package dbmail3 (Revision bea07ee0a505e4a6bedd128a8d69b37f)

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