/usr/share/synce/synce-serial-common

# $Id: synce-serial-common.in 3078 2007-12-12 07:50:04Z mark_ellis $
#
# vim: syntax=sh
#
# Common functions and declarations for the synce-serial scripts
#

export PATH="/usr/sbin:$PATH"
BINDIR=/usr/sbin
LOGGER="logger -t ${THIS}[$$]"
FACILITY=user
ERROR="${LOGGER} -p ${FACILITY}.err"
WARNING="${LOGGER} -p ${FACILITY}.warning"
NOTICE="${LOGGER} -p ${FACILITY}.notice"
INFO="${LOGGER} -p ${FACILITY}.info"
DEBUG="${LOGGER} -p ${FACILITY}.debug"

SYSFS="/sys"
PPP_OPTIONS=/etc/ppp/options
PPP_PEERS=/etc/ppp/peers
PPPD=/usr/sbin/pppd
VAR_PPP=/var/run

DEVICE_PREFIX=synce-device
PEER=$DEVICE_PREFIX
PEER_FILE=${PPP_PEERS}/${PEER}

# this is the default device file, rarely required
# see synce-serial-config
CONFIG_FILE=/etc/synce-serial.default

COMMAND="${PPPD} call ${PEER}"

# see the "linkname" option in the man page for pppd
PID_FILE=/var/run/ppp-$PEER.pid

# include alternate settings file if it exists
if [ -e "/etc/synce-serial.conf" ]; then
	. /etc/synce-serial.conf
fi

DEFAULT_NETWORK=${DEFAULT_NETWORK:-"192.168.131"}
DEFAULT_LOCAL_IP=$DEFAULT_NETWORK.102
DEFAULT_REMOTE_IP=$DEFAULT_NETWORK.201
DEFAULT_IPS=$DEFAULT_LOCAL_IP:$DEFAULT_REMOTE_IP

exit_if_not_root()
{
	if [ "`id -u`" -ne "0" ]; then
		echo "Sorry, you need root privileges to run ${THIS}."
		exit 1
	fi
}

get_pid()
{
	if [ -f "${PID_FILE}" ]; then
		PID=`head -1 ${PID_FILE}`
	else
		PID=
	fi

	# pid empty?
	if [ -z "${PID}" ]; then
		return
	fi

	# pid invalid somehow?
	if ! kill -0 "${PID}"; then
		PID=
	fi

}

synce_dev_setup()
{
  synce_cmdline_setup "$1"
}

synce_cmdline_help()
{
  echo "Usage: $THIS serial-device [localip:remoteip [dns_server]]" >&2
}

#     Usage: synce_cmdline_setup /dev/path [localip:remoteip [dns_server]]
# Typically: synce_cmdline_setup "$@"
synce_cmdline_setup()
{
  if [ -z "$1" -o "$1" = "--help" ]; then
    synce_cmdline_help
    exit 1
  fi

  if [ -c $1 ]; then
    SYNCE_DEV=$1;
  else 
    if [ -c /dev/$1 ]; then
      SYNCE_DEV=/dev/$1
    else
      echo "
  ERROR:
  
  ${THIS} was unable to find a character device named \"$1\"
  
  Run \"${THIS} --help\" to get help.
  " >&2
      exit 1
    fi
  fi
  
  SYNCE_DEVNUM="`echo "$SYNCE_DEV" |sed -e 's/^[^0-9]*\([0-9]*\)$/\1/'`"
  if [ -z "$SYNCE_DEVNUM" ]; then
    SYNCE_DEVNUM=0
  fi

  # Add 120 for /dev/ttyS*, to support both standard serial
  # and USB
  if echo "$SYNCE_DEV" |grep ttyS >/dev/null 2>&1; then
    SYNCE_DEVNUM="`expr $SYNCE_DEVNUM + 120`"
  fi

  SYNCE_DEVNAME="$DEVICE_PREFIX$SYNCE_DEVNUM" 

  if [ "$2" ]; then
    if ! (echo $2 | grep -b '^[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*:[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*$'); then
      echo "
  ERROR:
  
  The format of \"$2\" looks incorrect.
  
  Run \"${THIS} --help\" to get help.
  " >&2
      exit 1
    fi
  
    SYNCE_IPADDR="$2"
    SYNCE_LOCALIP="`echo "$2" |sed -e 's/^.*://'`"
    SYNCE_REMOTEIP="`echo "$2" |sed -e 's/:.*$//'`"
  else
    SYNCE_LOCALIP="$DEFAULT_NETWORK.`expr 1 + $SYNCE_DEVNUM`"
    SYNCE_REMOTEIP="$DEFAULT_NETWORK.`expr 129 + $SYNCE_DEVNUM`"
    SYNCE_IPADDR="$SYNCE_LOCALIP:$SYNCE_REMOTEIP"
  fi
  
  if [ "$3" ]; then
    SYNCE_DNS="$3"
  else
    SYNCE_DNS="$SYNCE_LOCALIP"
  fi
  export SYNCE_DEV SYNCE_DEVNUM SYNCE_LOCALIP SYNCE_REMOTEIP SYNCE_DEVNAME SYNCE_IPADDR SYNCE_DNS
}

synce_dumpenv()
{
  env |grep '^SYNCE' |sed -e 's/^/export /'
}
synce-serial 0.11-5.3 / usr / share / synce / synce-serial-common
