#!/bin/sh
#
# Startup script for the web server that runs the VMware Management UI 
#
# description: The VMware Management UI uses Apache compiled with 
#              mod_perl.
#
# Start order should be 91.  Kill order should be 07.
#
# processname: /usr/lib/vmware-mui/apache/bin/httpd.vmware
# pidfile: /var/run/httpd.vmware.pid
# config: /usr/lib/vmware-mui/apache/conf/access.conf
# config: /usr/lib/vmware-mui/apache/conf/httpd.conf
# config: /usr/lib/vmware-mui/apache/conf/srm.conf
#
# Basic support for IRIX style chkconfig
# chkconfig: 3 91 07
# description: Manages the services needed to run VMware MUI
#
### BEGIN INIT INFO
# Provides: VMwareMUI
# Required-Start: $network $syslog VMware
# Required-Stop:
# Default-Start: 3 5
# Default-Stop: 0 1 2 4 6
# Description: Manages the services needed to run VMware MUI
### END INIT INFO



INITDIR=/etc/init.d
INSTALLDIR=/usr/lib/vmware-mui
if [ -z "$LD_LIBRARY_PATH" ]; then
  LD_LIBRARY_PATH="$INSTALLDIR/lib"
else
  LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$INSTALLDIR/lib"
fi

# BEGINNING_OF_UTIL_DOT_SH
#!/bin/sh

# A few utility functions used by our shell scripts. These are patched in during
# make.


# They are a lot of small utility programs to create temporary files in a
# secure way, but none of them is standard. So I wrote this --hpreg
make_tmp_dir() {
  local dirname="$1" # OUT
  local prefix="$2"  # IN
  local tmp
  local serial
  local loop

  tmp="${TMPDIR:-/tmp}"

  # Don't overwrite existing user data
  # -> Create a directory with a name that didn't exist before
  #
  # This may never succeed (if we are racing with a malicious process), but at
  # least it is secure
  serial=0
  loop='yes'
  while [ "$loop" = 'yes' ]; do
    # Check the validity of the temporary directory. We do this in the loop
    # because it can change over time
    if [ ! -d "$tmp" ]; then
      echo 'Error: "'"$tmp"'" is not a directory.'
      echo
      exit 1
    fi
    if [ ! -w "$tmp" -o ! -x "$tmp" ]; then
      echo 'Error: "'"$tmp"'" should be writable and executable.'
      echo
      exit 1
    fi

    # Be secure
    # -> Don't give write access to other users (so that they can not use this
    # directory to launch a symlink attack)
    if mkdir -m 0755 "$tmp"'/'"$prefix$serial" >/dev/null 2>&1; then
      loop='no'
    else
      serial=`expr $serial + 1`
      serial_mod=`expr $serial % 200`
      if [ "$serial_mod" = '0' ]; then
        echo 'Warning: The "'"$tmp"'" directory may be under attack.'
        echo
      fi
    fi
  done

  eval "$dirname"'="$tmp"'"'"'/'"'"'"$prefix$serial"'
}

# Check if the process associated to a pidfile is running.
# Return 0 if the pidfile exists and the process is running, 1 otherwise
vmware_check_pidfile() {
  local pidfile="$1" # IN
  local pid

  pid=`cat "$pidfile" 2>/dev/null`
  if [ "$pid" = '' ]; then
    # The file probably does not exist or is empty. Failure
    return 1
  fi
  # Keep only the first number we find, because some Samba pid files are really
  # trashy: they end with NUL characters
  # There is no double quote around $pid on purpose
  set -- $pid
  pid="$1"

  [ -d /proc/"$pid" ]

}

# Note:
#  . Each daemon must be started from its own directory to avoid busy devices
#  . Each PID file doesn't need to be added to the installer database, because
#    it is going to be automatically removed when it becomes stale (after a
#    reboot). It must go directly under /var/run, or some distributions
#    (RedHat 6.0) won't clean it
#

# Terminate a process synchronously
vmware_synchrone_kill() {
   local pid="$1"    # IN
   local signal="$2" # IN
   local second

   kill -"$signal" "$pid"

   # Wait a bit to see if the dirty job has really been done
   for second in 0 1 2 3 4 5 6 7 8 9 10; do
      if [ ! -d /proc/"$pid" ]; then
         # Success
         return 0
      fi

      sleep 1
   done

   # Timeout
   return 1
}

# Kill the process associated to a pidfile
vmware_stop_pidfile() {
   local pidfile="$1" # IN
   local pid

   pid=`cat "$pidfile" 2>/dev/null`
   if [ "$pid" = '' ]; then
      # The file probably does not exist or is empty. Success
      return 0
   fi
   # Keep only the first number we find, because some Samba pid files are really
   # trashy: they end with NUL characters
   # There is no double quote around $pid on purpose
   set -- $pid
   pid="$1"

   # First try a nice SIGTERM
   if vmware_synchrone_kill "$pid" 15; then
      return 0
   fi

   # Then send a strong SIGKILL
   if vmware_synchrone_kill "$pid" 9; then
      return 0
   fi

   return 1
}

# END_OF_UTIL_DOT_SH

# This defines echo_success() and echo_failure() on RedHat
if [ -r "$INITDIR"/functions ]; then
    . "$INITDIR"/functions
elif [ -r /lib/lsb/init-functions ]; then
    . /lib/lsb/init-functions
fi

# This defines $rc_done and $rc_failed on S.u.S.E.
if [ -f /etc/rc.config ]; then
     # Don't quite feel like including the entire file.
     # There could be conflicts.
     rc_done="\033[71G\033[32mdone\033[m"
     rc_failed="\033[71G\033[31m\033[1mfailed\033[m"
else
     rc_done="\033[71G done"
     rc_failed="\033[71Gfailed"
fi

vmware_failed() {
  if [ "`type -t 'echo_failure' 2>/dev/null`" = 'function' ]; then
    echo_failure
  else
    echo -ne "$rc_failed"
  fi
}

vmware_success() {
  if [ "`type -t 'echo_success' 2>/dev/null`" = 'function' ]; then
    echo_success
  else
    echo -ne "$rc_done"
  fi
}

# Execute a macro
vmware_exec() {
  local msg="$1"  # IN
  local func="$2" # IN
  shift 2

  echo -n '   '"$msg"

  # On Caldera 2.2, SIGHUP is sent to all our children when this script exits
  # I wanted to use shopt -u huponexit instead but their bash version
  # 1.14.7(1) is too old
  if [ "$VMWARE_DEBUG" = 'yes' ]; then
    (trap '' HUP; "$func" "$@")
  else
    (trap '' HUP; "$func" "$@") >/dev/null 2>&1
  fi
  if [ "$?" -gt 0 ]; then
    vmware_failed
    echo
    return 1
  fi

  vmware_success
  echo
  return 0
}

vmware_start_httpd() {
  export LD_LIBRARY_PATH
  if /bin/grep -i "^security.host.muissl.*=.*\(n\|f\|0\)" /etc/vmware/config > /dev/null 2>&1 ; then
     USE_SSL=""
  else
     USE_SSL="-DSSL_ONLY"
  fi

  $INSTALLDIR/apache/bin/httpd.vmware -DSSL $USE_SSL -DGSX -d $INSTALLDIR/apache
  touch /var/lock/subsys/httpd.vmware
}

vmware_stop_httpd() {
  killproc $INSTALLDIR/apache/bin/httpd.vmware
  rm -f /var/lock/subsys/httpd.vmware
}

# See how we were called.
case "$1" in
start)
	if [ ! -d /var/run/vmware/httpd ]
	then
		echo "Directory: var/run/vmware/httpd Not found. Creating it."
		mkdir /var/run/vmware/httpd
		echo "Setting user and group ownership to: User: www-data, Group: nogroup"
		chown www-data:nogroup /var/run/vmware/httpd
		echo "Setting directory permissions to: RWX------ (700)"
		chmod 700 /var/run/vmware/httpd
	fi         
	echo "Starting httpd.vmware:"
	vmware_start_httpd 
	;;
  stop)
	echo "Shutting down http.vmware: "
	vmware_stop_httpd
	;;  
status)
        echo -n 'vmware.httpd'
        if vmware_check_pidfile /var/run/httpd.vmware.pid; then
	    echo ' is running.'
	else 
	    echo ' is not running.'
	fi
	;;
  restart)
	$0 stop
	$0 start
	;;
  reload)
	echo -n "Reloading httpd.vmware: "
	killproc $INSTALLDIR/apache/bin/httpd.vmware -HUP
	echo
	;;
  *)
	echo "Usage: $0 {start|stop|restart|reload|status}"
	exit 1
esac

exit 0