363 lines
6.4 KiB
Bash
363 lines
6.4 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2001-2007 Graeme Walker <graeme_walker@users.sourceforge.net>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ===
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#
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# emailrelay
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#
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# A shell-script wrapper for E-MailRelay designed for use in the SysV-init
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# system (/etc/init.d).
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#
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# Additional command-line switches for the emailrelay daemon are sourced
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# from the file "/etc/emailrelay.conf" if it exists. Uncommented lines in this
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# file have "--" prepended to them and then they are pasted onto the command
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# line.
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#
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# usage: emailrelay { start | stop | restart | force-reload | status }
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#
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# See also: LSB, start_daemon (lsb), startproc (suse), install_initd (lsb),
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# insserv (suse), /usr/share/doc/initscripts*/sysvinitfiles (redhat)
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#
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##
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# RedHat comment block...
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#
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# chkconfig: 345 80 20
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# description: E-MailRelay is a SMTP proxy and store-and-forward MTA.
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# pidfile: /var/run/emailrelay.pid
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# processname: emailrelay
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##
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##
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# LSB comment block...
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#
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# The bogus 345 run-levels are a workround for a buggy RedHat chkconfig which
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# reads the LSB comment block as an undocumented 'feature' and then parses it
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# wrongly.
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#
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### BEGIN INIT INFO
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# Provides: emailrelay
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# Required-Start: $network
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# Required-Stop: $network
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# Default-Start: 345 3 4 5
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# Default-Stop: 345 3 4 5
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# Description: E-MailRelay SMTP proxy and store-and-forward MTA.
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### END INIT INFO
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##
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# choose an infrastructure style
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#
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if test -f /etc/rc.status
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then
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style="suse"
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. /etc/rc.status
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elif test -f /etc/init.d/functions
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then
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style="redhat"
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. /etc/init.d/functions
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elif test -f /lib/lsb/init-functions
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then
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style="lsb"
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. /lib/lsb/init-functions
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else
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style="unix"
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fi
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# script configuration
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#
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var_run="/var/run"
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emailrelay="__SBIN_DIR__/emailrelay" # (absolute path required in some environments)
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if test \! -d "${var_run}" ; then var_run="/tmp" ; fi
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if test \! -x "${emailrelay}" ; then emailrelay="`pwd`/emailrelay" ; fi
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pid_file="${var_run}/emailrelay.pid"
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PATH="${PATH}:/sbin:/bin:/usr/bin"
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cfg_file="/etc/emailrelay.conf"
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# server configuration using the config file
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#
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start_switches="--as-server --pid-file ${pid_file} `cat \"${cfg_file}\" 2>/dev/null | egrep -v '^#|^ *$' | sed 's/^/--/'`"
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# functions...
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#
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# <style>_reset() -- initialise
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# <style>_cmd_stop() -- stop command
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# <style>_cmd_start() -- start command
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# <style>_cmd_restarted() -- called after stop/start
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# <style>_cmd_status() -- status command
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# <style>_exit() -- exit with saved errno
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unix_reset()
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{
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unix_errno="0"
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}
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unix_cmd_start()
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{
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echo -n "${1}"
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shift
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"$@"
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unix_errno="$?"
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if test "${unix_errno}" -eq 0
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then
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echo " ... done"
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else
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echo " ... failed"
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fi
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}
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unix_cmd_stop()
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{
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echo -n "${1}"
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if test -f "${pid_file}" && test "`cat ${pid_file}`" != ""
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then
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kill "`cat ${pid_file}`"
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rm -f "${pid_file}" 2>/dev/null
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fi
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echo " ... done"
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unix_errno="0" # (could do better)
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}
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unix_cmd_restarted()
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{
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unix_errno="$?"
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}
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unix_cmd_status()
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{
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echo -n "${1}"
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if test -f "${pid_file}" && test "`cat ${pid_file}`" != "" && kill -0 "`cat ${pid_file}`" 2>/dev/null
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then
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echo " ... running"
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unix_errno="0"
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elif test -f "${pid_file}"
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then
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echo " ... failed"
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unix_errno="1"
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else
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echo " ... not running"
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unix_errno="3"
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fi
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}
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unix_exit()
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{
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exit "${unix_errno}"
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}
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##
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redhat_reset()
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{
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redhat_errno="0"
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}
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redhat_cmd_start()
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{
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echo -n "${1}"
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shift
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initlog -q --cmd="$*"
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redhat_errno="$?"
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#touch /var/lock/subsys/emailrelay
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if test "${redhat_errno}" -eq 0 ; then success ; else failure ; fi
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echo
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}
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redhat_cmd_stop()
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{
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echo -n "${1}"
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killproc "`basename ${emailrelay}`"
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redhat_errno="$?"
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#rm -f /var/lock/subsys/emailrelay
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if test "${redhat_errno}" -eq 0 ; then success ; else failure ; fi
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echo
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}
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redhat_cmd_restarted()
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{
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redhat_errno="$?"
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}
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redhat_cmd_status()
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{
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echo -n "${1}"
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if test -f "${pid_file}" && test "`cat ${pid_file}`" != "" && kill -0 "`cat ${pid_file}`" 2>/dev/null
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then
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redhat_errno="0"
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elif test -f "${pid_file}"
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then
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redhat_errno="1"
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else
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redhat_errno="3"
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fi
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if test "${redhat_errno}" -eq 0 ; then success ; else failure ; fi
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}
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redhat_exit()
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{
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exit "${redhat_errno}"
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}
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##
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suse_reset()
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{
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rc_reset
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}
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suse_cmd_start()
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{
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echo -n "${1}"
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shift
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startproc "$@"
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rc_status -v
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}
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suse_cmd_stop()
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{
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echo -n "${1}"
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killproc "${2}"
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rc_status -v
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}
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suse_cmd_restarted()
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{
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rc_status
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}
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suse_cmd_status()
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{
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echo -n "${1}"
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checkproc "${2}"
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rc_status -v
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}
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suse_exit()
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{
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rc_exit
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}
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##
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lsb_reset()
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{
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lsb_errno="0"
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}
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lsb_cmd_start()
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{
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lsb_text="${1}"
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shift
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start_daemon "$@"
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lsb_errno=$?
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if test "${lsb_errno}" -eq 0
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then
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log_success_msg "${lsb_text}"
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else
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log_failure_msg "${lsb_text}"
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fi
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}
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lsb_cmd_stop()
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{
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lsb_text="${1}"
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killproc "`basename \"${2}\"`"
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lsb_errno=$?
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if test "${lsb_errno}" -eq 0
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then
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log_success_msg "${lsb_text}"
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else
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log_failure_msg "${lsb_text}"
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fi
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}
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lsb_cmd_restarted()
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{
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lsb_errno="$?"
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}
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lsb_cmd_status()
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{
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lsb_text="${1}"
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base="`basename \"${2}\"`"
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pids="`pidofproc \"${base}\" | sed 's/ *$//'`"
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if test "${pids}" != ""
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then
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lsb_errno="0"
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log_success_msg "${lsb_text}"
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else
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lsb_errno="1"
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log_failure_msg "${lsb_text}"
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fi
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}
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lsb_exit()
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{
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exit ${lsb_errno}
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}
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# check the command line
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#
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usage="{ start | stop | restart | force-reload | status }"
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if test $# -eq 0
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then
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echo usage: `basename $0` "${usage}" >&2
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exit 2
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fi
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# process the command line
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#
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${style}_reset
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case "${1}" in
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start)
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shift
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${style}_cmd_start "Starting E-MailRelay server" ${emailrelay} ${start_switches} "$@"
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;;
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stop)
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${style}_cmd_stop "Shutting down E-MailRelay" "${emailrelay}"
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;;
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restart|force-reload)
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shift
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$0 stop
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$0 start "$@"
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${style}_cmd_restarted
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;;
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reload)
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echo usage: `basename $0` reload: not implemented >&2
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exit 3
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;;
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status)
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${style}_cmd_status "Checking for E-MailRelay" "${emailrelay}"
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;;
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*)
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echo usage: `basename $0` "${usage}" >&2
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exit 2
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;;
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esac
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${style}_exit
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