#!/sbin/sh

#
# Control Method for endlessh (/lib/svc/method/init.endlessh)
# Written by Yuri Voinov (C) 2007,2019
#
# ident "@(#)endlessh.sh    1.8    19/27/03 YV"
#

#############
# Variables #
#############

# Base installation directory
BASE_DIR="/usr/local"
BASE_CONFIG_DIR=$BASE_DIR"/etc"

# endlessh files paths  
ENDLESSH_PATH="$BASE_DIR""/bin"
ENDLESSH_CONF_PATH="$BASE_CONFIG_DIR"

# endlessh files
ENDLESSH_BIN_FILE="endlessh"
ENDLESSH_CONF_FILE=$ENDLESSH_BIN_FILE".conf"

# Daemon settings
ENDLESSH_CONF="$ENDLESSH_CONF_PATH/$ENDLESSH_CONF_FILE"

# Log
LOG_DIR="/var/log"
LOGFILE=$LOG_DIR/$ENDLESSH_BIN_FILE".log"

#   
# OS Commands location variables
#
CUT=`which cut`
ECHO=`which echo`
KILL=`which kill`
PGREP=`which pgrep`
UNAME=`which uname`

# OS release
OS_VER=`$UNAME -r|$CUT -f2 -d"."`
OS_NAME=`$UNAME -s|$CUT -f1 -d" "`

###############
# Subroutines #
###############

check_endlessh ()
{
 # Check endlessh installed
 program=$1
 if [ ! -f "$ENDLESSH_PATH/$program" -a ! -x "$ENDLESSH_PATH/$program" ]; then
  $ECHO "ERROR: endlessh not found!"
  $ECHO "Exiting..."
  exit 1
 fi
}

check_os ()
{
 # Check OS version
 if [ ! "$OS_NAME" = "SunOS" -a ! "$OS_VER" -lt "10" ]; then
  $ECHO "ERROR: Unsupported OS $OS_NAME $OS_VER"
  $ECHO "Exiting..."
  exit 1
 fi
}

checkconf ()
{
# Check endlessh config file
 config=$1
 if [ -f "$ENDLESSH_CONF_PATH"/"$config" ]; then
  $ECHO "1"
 else
  $ECHO "0"
 fi  
}

startproc() 
{
# Start endlessh daemon
 program=$1
 if [ "`checkconf $ENDLESSH_CONF_FILE`" != "1" ]; then
  $ECHO "ERROR: Config file $ENDLESSH_CONF_PATH/$ENDLESSH_CONF_FILE not found."  
  $ECHO "Exiting..."
  exit 2
 else
  $ENDLESSH_PATH/$program -f $ENDLESSH_CONF_PATH/$ENDLESSH_CONF_FILE -v >$LOGFILE &
 fi
}

stopproc() 
{
# Stop endlessh daemon
 program=$1
 if [ "`checkconf $ENDLESSH_CONF_FILE`" != "1" ]; then
  $ECHO "ERROR: Config file $ENDLESSH_CONF_PATH/$ENDLESSH_CONF_FILE not found."  
  $ECHO "Exiting..."
  exit 2
 else
  $KILL -s TERM `$PGREP $program`>/dev/null 2>&1
 fi
}

##############
# Main block #
##############

# Check endlessh installed
check_endlessh $ENDLESSH_BIN_FILE

# Check OS version
check_os

case "$1" in
"start")
  startproc $ENDLESSH_BIN_FILE
  ;;
"stop")
  stopproc $ENDLESSH_BIN_FILE
  ;;
"refresh")
  $KILL -s HUP `$PGREP $ENDLESSH_BIN_FILE`>/dev/null 2>&1
  ;;
"restart")
  stopproc $ENDLESSH_BIN_FILE
  startproc $ENDLESSH_BIN_FILE
  ;;
*)
  $ECHO "Usage: $0 { start | stop | restart | refresh }"
  exit 1
esac

exit 0