#!/bin/sh
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# FILE:/usr/sbin/ifup-ppp
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# Copyright (C) 2011 GuoWenxue <guowenxue@gmail.com>
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# This file used to do PPP dial up.
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#--------------------------------------------------
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# Function definition here
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#--------------------------------------------------
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usage()
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{
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prog=`basename $0`
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echo "$prog Usage: $prog [-d /dev/ttyUSB0] [-a apn] [-u username] [-p password] [-v chap/pap] [-i ipaddr] pppXX"
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echo ""
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echo " This shell script used to do pppd dial up on GPRS/3G modem, if no options gived, it"
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echo "will use the default configure file \"$network_cfg_dir/ifcfg-pppXX\". If get options"
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echo "in this command, it will use the option from the command line, and be careful the -d"
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echo "option must be given to specify the modem device."
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echo ""
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echo "pppXX: Required, specify the dial up generated PPP device, such as ppp10."
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echo "-d: Required, if use command line options, specify the modem TTY device."
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echo "-a: Option, APN(Access Point Name) for the SIM card provider."
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echo "-u: Option, username for the GPRS login if needed."
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echo "-p: Option, password for the GPRS login if needed."
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echo "-v: Option, authenticate method, pap or chap."
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echo "-i: Option, <local_IP_address>:<remote_IP_address> such as 0.0.0.0:0.0.0.0 "
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echo "Example: ifup-ppp -d /dev/ttyUSB0 -a 3gnet -u uid -p pwd ppp10"
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echo ""
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echo "Copyright (C) 2011 GuoWenxue <guowenxue@gmail.com>"
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exit
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}
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#===============================
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# Global variable declare =
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#===============================
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modem=
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inf=
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apn=
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uid=
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pwd=
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# Configure file
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if [ -z "$network_cfg_dir" ]; then
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export network_cfg_dir=/apps/etc/network
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fi
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#===============================
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# Shell body start here =
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#===============================
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if [ $# -lt 1 ] ; then
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usage;
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elif [ $# -eq 1 ] ; then
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inf=$1
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conf=ifcfg-$inf
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cd $network_cfg_dir
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if [ ! -f $conf ]; then
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echo "================================================================================="
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echo "ERROR: $inf dial up configure file \"$network_cfg_dir/$conf\" not found!"
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echo "================================================================================="
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echo ""
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usage;
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exit;
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fi
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. $conf
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modem=$MODEM
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apn=$APN
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uid=$USERNAME
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pwd=$PASSWORD
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vrfy=$VERIFY
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ipaddr=$IPADDR
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cd -
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else
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while getopts "a:d:u:p:v:hi:" Option
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do
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case $Option in
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d) modem=$OPTARG ;;
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i) ipaddr=$OPTARG ;;
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a) apn=$OPTARG ;;
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u) uid=$OPTARG ;;
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p) pwd=$OPTARG ;;
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v) vrfy=$OPTARG ;;
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h) pwd=$OPTARG; usage ;;
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esac
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done
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shift $(($OPTIND - 1))
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inf=$*
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fi
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if [ -z "$modem" ] ; then
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usage;
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exit;
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fi
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if [ ! -c "$modem" ] ; then
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echo "ERROR: Modem device $modem doesn't exist!"
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exit
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fi
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inf=$( echo $inf | tr -cd '[0-9]\n' )
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# Chat script need these two variable
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export APN=$apn
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export DIALNUM="*99***1#"
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chat_script="/etc/ppp/gprs-chat"
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#======================
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# The pppd options #
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#======================
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options="$modem 115200"
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if [ -n "$uid" -a -n "pwd" ]; then
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options=$options" name $uid"
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options=$options" password $pwd"
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fi
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if [ -n "$inf" ] ; then
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options=$options" unit $inf"
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fi
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if [ "$vrfy" == "chap" ] ; then
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options=$options" require-chap"
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else
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options=$options" require-pap"
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fi
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# Restart after idle X second
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options=$options" idle 86400"
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options=$options" refuse-mschap refuse-mschap-v2 refuse-eap"
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options=$options" nodefaultroute updetach"
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options=$options" debug"
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options=$options" lcp-echo-failure 3 lcp-echo-interval 5"
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options=$options" ipcp-accept-local ipcp-accept-remote ipcp-restart 50"
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options=$options" modem crtscts"
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if [ -n "$ipaddr" ] ; then
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options=$options" $ipaddr"
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fi
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# Let the phone figure out all the IP addresses
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options=$options" noipdefault"
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options=$options" noauth"
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# No ppp compression
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options=$options" novj noccp novjccomp"
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# For sanity, keep a lock on the serial line
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options=$options" lock"
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#=================================
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# PPP dial up command start up #
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#=================================
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set -x
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#chat option should can be: -v -E -V -f
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pppd $options connect "/usr/sbin/chat -v -E -f $chat_script"
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if [ -d /sys/class/net/ppp$inf ] ; then
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ip route add default dev ppp$inf metric 10
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#ip route add default dev ppp$inf
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/apps/tools/gatewayD > /dev/null 2>&1
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fi
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