mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-26 16:26:24 +01:00
70cdcfcae1
This is required in order to suppress error messages like "File operation error: eacces" when ejabberd was started from directory, which is not readable by INSTALLUSER (/root, for example). See rhbz #564686: https://bugzilla.redhat.com/564686 Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
405 lines
11 KiB
Bash
405 lines
11 KiB
Bash
#!/bin/sh
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# define default configuration
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POLL=true
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SMP=auto
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ERL_MAX_PORTS=32000
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ERL_PROCESSES=250000
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ERL_MAX_ETS_TABLES=1400
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# define default environment variables
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NODE=ejabberd
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HOST=localhost
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ERLANG_NODE=$NODE@$HOST
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ERL=@erl@
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INSTALLUSER=@installuser@
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# parse command line parameters
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ARGS=
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while [ $# -ne 0 ] ; do
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PARAM=$1
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shift
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case $PARAM in
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--) break ;;
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--node) ERLANG_NODE_ARG=$1; shift ;;
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--config-dir) ETCDIR=$1 ; shift ;;
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--config) EJABBERD_CONFIG_PATH=$1 ; shift ;;
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--ctl-config) EJABBERDCTL_CONFIG_PATH=$1 ; shift ;;
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--logs) LOGS_DIR=$1 ; shift ;;
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--spool) SPOOLDIR=$1 ; shift ;;
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--erlargs) ERL_ARGS=$1 ; shift ;;
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*) ARGS="$ARGS $PARAM" ;;
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esac
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done
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# Define ejabberd variable if they have not been defined from the command line
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if [ "$ETCDIR" = "" ] ; then
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ETCDIR=@SYSCONFDIR@/ejabberd
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fi
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if [ "$EJABBERD_CONFIG_PATH" = "" ] ; then
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EJABBERD_CONFIG_PATH=$ETCDIR/ejabberd.cfg
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fi
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if [ "$EJABBERDCTL_CONFIG_PATH" = "" ] ; then
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EJABBERDCTL_CONFIG_PATH=$ETCDIR/ejabberdctl.cfg
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fi
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[ -f "$EJABBERDCTL_CONFIG_PATH" ] && . "$EJABBERDCTL_CONFIG_PATH"
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if [ "$LOGS_DIR" = "" ] ; then
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LOGS_DIR=@LOCALSTATEDIR@/log/ejabberd
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fi
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if [ "$SPOOLDIR" = "" ] ; then
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SPOOLDIR=@LOCALSTATEDIR@/lib/ejabberd
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fi
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if [ "$EJABBERD_DOC_PATH" = "" ] ; then
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EJABBERD_DOC_PATH=@DOCDIR@
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fi
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if [ "$ERLANG_NODE_ARG" != "" ] ; then
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ERLANG_NODE=$ERLANG_NODE_ARG
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fi
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# check the proper system user is used
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if [ `uname -s` = "SunOS" ]; then IDCMD=/usr/xpg4/bin/id; else IDCMD=id; fi
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ID=`$IDCMD -g`
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EJID=`$IDCMD -g $INSTALLUSER`
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EJID=`id -g $INSTALLUSER`
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EXEC_CMD="false"
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for GID in $GIDS; do
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if [ $GID -eq 0 ] ; then
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EXEC_CMD="su ${INSTALLUSER} -p -c"
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fi
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done
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if [ "$ID" -eq "$EJID" ] ; then
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EXEC_CMD="sh -c"
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fi
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if [ "$EXEC_CMD" = "false" ] ; then
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echo "This command can only be run by root or the user $INSTALLUSER" >&2
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exit 4
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fi
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NAME=-name
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[ "$ERLANG_NODE" = "${ERLANG_NODE%.*}" ] && NAME=-sname
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KERNEL_OPTS=""
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if [ "$FIREWALL_WINDOW" != "" ] ; then
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KERNEL_OPTS="${KERNEL_OPTS} -kernel inet_dist_listen_min ${FIREWALL_WINDOW%-*} inet_dist_listen_max ${FIREWALL_WINDOW#*-}"
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fi
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if [ "$DIST_INTERFACE" != "" ] ; then
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KERNEL_OPTS="${KERNEL_OPTS} -kernel inet_dist_use_interface \"${DIST_INTERFACE}\""
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fi
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ERLANG_OPTS="+K $POLL -smp $SMP +P $ERL_PROCESSES $ERL_OPTIONS"
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# define additional environment variables
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if [ "$EJABBERDDIR" = "" ]; then
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EJABBERDDIR=@LIBDIR@/ejabberd
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fi
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if [ "$EJABBERD_EBIN_PATH" = "" ]; then
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EJABBERD_EBIN_PATH=$EJABBERDDIR/ebin
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fi
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if [ "$EJABBERD_PRIV_PATH" = "" ]; then
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EJABBERD_PRIV_PATH=$EJABBERDDIR/priv
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fi
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if [ "$EJABBERD_BIN_PATH" = "" ]; then
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EJABBERD_BIN_PATH=$EJABBERD_PRIV_PATH/bin
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fi
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if [ "$EJABBERD_SO_PATH" = "" ]; then
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EJABBERD_SO_PATH=$EJABBERD_PRIV_PATH/lib
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fi
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if [ "$EJABBERD_MSGS_PATH" = "" ]; then
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EJABBERD_MSGS_PATH=$EJABBERD_PRIV_PATH/msgs
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fi
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EJABBERD_LOG_PATH=$LOGS_DIR/ejabberd.log
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SASL_LOG_PATH=$LOGS_DIR/erlang.log
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DATETIME=`date "+%Y%m%d-%H%M%S"`
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ERL_CRASH_DUMP=$LOGS_DIR/erl_crash_$DATETIME.dump
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ERL_INETRC=$ETCDIR/inetrc
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HOME=$SPOOLDIR
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# create the home dir with the proper user if doesn't exist, because it stores cookie file
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[ -d $HOME ] || $EXEC_CMD "mkdir -p $HOME"
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# Change to a directory readable by INSTALLUSER to
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# prevent "File operation error: eacces." messages
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cd $HOME
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# export global variables
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export EJABBERD_CONFIG_PATH
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export EJABBERD_MSGS_PATH
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export EJABBERD_LOG_PATH
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export EJABBERD_SO_PATH
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export EJABBERD_BIN_PATH
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export EJABBERD_DOC_PATH
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export EJABBERD_PID_PATH
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export ERL_CRASH_DUMP
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export ERL_INETRC
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export ERL_MAX_PORTS
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export ERL_MAX_ETS_TABLES
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export HOME
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export EXEC_CMD
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# Compatibility in ZSH
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#setopt shwordsplit 2>/dev/null
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# start server
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start ()
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{
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check_start
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$EXEC_CMD "$ERL \
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$NAME $ERLANG_NODE \
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-noinput -detached \
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-pa $EJABBERD_EBIN_PATH \
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-mnesia dir \"\\\"$SPOOLDIR\\\"\" \
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$KERNEL_OPTS \
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-s ejabberd \
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-sasl sasl_error_logger \\{file,\\\"$SASL_LOG_PATH\\\"\\} \
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$ERLANG_OPTS -- $ARGS \"$@\" $ERL_ARGS"
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}
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# attach to server
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debug ()
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{
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echo "--------------------------------------------------------------------"
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echo ""
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echo "IMPORTANT: we will attempt to attach an INTERACTIVE shell"
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echo "to an already running ejabberd node."
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echo "If an ERROR is printed, it means the connection was not successful."
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echo "You can interact with the ejabberd node if you know how to use it."
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echo "Please be extremely cautious with your actions,"
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echo "and exit immediately if you are not completely sure."
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echo ""
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echo "To detach this shell from ejabberd, press:"
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echo " control+c, control+c"
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echo ""
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echo "--------------------------------------------------------------------"
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echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
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echo " EJABBERD_BYPASS_WARNINGS=true"
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echo "Press any key to continue"
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if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
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read foo
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fi
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echo ""
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TTY=`tty | sed -e 's/.*\///g'`
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$EXEC_CMD "$ERL \
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$NAME debug-${TTY}-${ERLANG_NODE} \
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-remsh $ERLANG_NODE \
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$KERNEL_OPTS \
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$ERLANG_OPTS -- $ARGS \"$@\" $ERL_ARGS"
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}
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# start interactive server
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live ()
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{
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check_start
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echo "--------------------------------------------------------------------"
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echo ""
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echo "IMPORTANT: ejabberd is going to start in LIVE (interactive) mode."
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echo "All log messages will be shown in the command shell."
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echo "You can interact with the ejabberd node if you know how to use it."
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echo "Please be extremely cautious with your actions,"
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echo "and exit immediately if you are not completely sure."
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echo ""
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echo "To exit this LIVE mode and stop ejabberd, press:"
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echo " q(). and press the Enter key"
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echo ""
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echo "--------------------------------------------------------------------"
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echo "To bypass permanently this warning, add to ejabberdctl.cfg the line:"
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echo " EJABBERD_BYPASS_WARNINGS=true"
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echo "Press any key to continue"
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if [ "$EJABBERD_BYPASS_WARNINGS" != "true" ] ; then
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read foo
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fi
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echo ""
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$EXEC_CMD "$ERL \
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$NAME $ERLANG_NODE \
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-pa $EJABBERD_EBIN_PATH \
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-mnesia dir \"\\\"$SPOOLDIR\\\"\" \
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$KERNEL_OPTS \
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-s ejabberd \
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$ERLANG_OPTS -- $ARGS \"$@\" $ERL_ARGS"
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}
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etop()
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{
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$EXEC_CMD "$ERL \
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$NAME debug-${TTY}-${ERLANG_NODE} \
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-hidden -s etop -s erlang halt -output text -node $ERLANG_NODE"
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}
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help ()
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{
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echo ""
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echo "Commands to start an ejabberd node:"
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echo " start Start an ejabberd node in server mode"
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echo " debug Attach an interactive Erlang shell to a running ejabberd node"
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echo " live Start an ejabberd node in live (interactive) mode"
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echo ""
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echo "Optional parameters when starting an ejabberd node:"
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echo " --config-dir dir Config ejabberd: $ETCDIR"
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echo " --config file Config ejabberd: $EJABBERD_CONFIG_PATH"
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echo " --ctl-config file Config ejabberdctl: $EJABBERDCTL_CONFIG_PATH"
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echo " --logs dir Directory for logs: $LOGS_DIR"
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echo " --spool dir Database spool dir: $SPOOLDIR"
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echo " --node nodename ejabberd node name: $ERLANG_NODE"
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echo " --erlargs \"\" erl arguments: $ERL_ARGS"
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echo ""
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}
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# common control function
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ctl ()
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{
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COMMAND=$@
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# Control number of connections identifiers
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# using flock if available. Expects a linux-style
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# flock that can lock a file descriptor.
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MAXCONNID=100
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CONNLOCKDIR=@LOCALSTATEDIR@/lock/ejabberdctl
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FLOCK='/usr/bin/flock'
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if [ ! -x "$FLOCK" ] || [ ! -d "$CONNLOCKDIR" ] ; then
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JOT='/usr/bin/jot'
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if [ ! -x "$JOT" ] ; then
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# no flock or jot, simply invoke ctlexec()
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CTL_CONN="ctl-${ERLANG_NODE}"
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ctlexec $CTL_CONN $COMMAND
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result=$?
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else
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# no flock, but at least there is jot
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RAND=`jot -r 1 0 $MAXCONNID`
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CTL_CONN="ctl-${RAND}-${ERLANG_NODE}"
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ctlexec $CTL_CONN $COMMAND
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result=$?
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fi
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else
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# we have flock so we get a lock
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# on one of a limited number of
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# conn names -- this allows
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# concurrent invocations using a bound
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# number of atoms
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for N in $(seq 1 $MAXCONNID); do
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CTL_CONN="ejabberdctl-$N"
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CTL_LOCKFILE="$CONNLOCKDIR/$CTL_CONN"
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(
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exec 8>"$CTL_LOCKFILE"
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if flock --nb 8; then
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ctlexec $CTL_CONN $COMMAND
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ssresult=$?
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# segregate from possible flock exit(1)
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ssresult=$(expr $ssresult \* 10)
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exit $ssresult
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else
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exit 1
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fi
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)
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result=$?
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if [ $result -eq 1 ]; then
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# means we errored out in flock
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# rather than in the exec - stay in the loop
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# trying other conn names...
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badlock=1
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else
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badlock=""
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break;
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fi
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done
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result=$(expr $result / 10)
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fi
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if [ "$badlock" ];then
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echo "Ran out of connections to try. Your ejabberd processes" >&2
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echo "may be stuck or this is a very busy server. For very" >&2
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echo "busy servers, consider raising MAXCONNID in ejabberdctl">&2
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exit 1;
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fi
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case $result in
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0) :;;
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1) :;;
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2) help;;
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3) help;;
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esac
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return $result
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}
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ctlexec ()
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{
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CONN_NAME=$1; shift
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COMMAND=$@
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$EXEC_CMD "$ERL \
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$NAME ${CONN_NAME} \
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-noinput \
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-hidden \
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-pa $EJABBERD_EBIN_PATH \
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$KERNEL_OPTS \
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-s ejabberd_ctl -extra $ERLANG_NODE $COMMAND"
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}
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# display ctl usage
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usage ()
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{
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ctl
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exit
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}
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# stop epmd if there is no other running node
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stop_epmd()
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{
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epmd -names | grep -q name || epmd -kill
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}
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# make sure node not already running and node name unregistered
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check_start()
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{
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epmd -names | grep -q $NODE && {
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ps ux | grep -q $ERLANG_NODE && {
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echo "ejabberd is already running."
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exit 4
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} || {
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ps ux | grep beam | grep -v "grep beam" && {
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echo "ejabberd node is registered, but no ejabberd process has been found."
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echo "can not kill epmd as other erlang nodes are running."
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echo "please stop all erlang nodes, and call 'epmd -kill'."
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exit 5
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} || {
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epmd -kill
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}
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}
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}
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}
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# allow sync calls
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wait_for_status()
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{
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# args: status try delay
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# return: 0 OK, 1 KO
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timeout=$2
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status=4
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while [ $status -ne $1 ]; do
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sleep $3
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timeout=$(($timeout - 1))
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[ $timeout -eq 0 ] && {
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status=$1
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} || {
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ctl status > /dev/null
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status=$?
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}
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done
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[ $timeout -eq 0 ] && {
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status=1
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} || {
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status=0
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}
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return $status
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}
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case $ARGS in
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' start') start;;
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' debug') debug;;
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' live') live;;
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' etop') etop;;
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' started') wait_for_status 0 30 2;; # wait 30x2s before timeout
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' stopped') wait_for_status 3 15 2; stop_epmd;; # wait 15x2s before timeout
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*) ctl $ARGS;;
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esac
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