source: freewrt/package/ppp/files/ppp.pre-up@ 63a0abc

#!/bin/sh

[ "$METHOD" == "ppp" ] || exit 0
[ "$IF_USE_TEMPLATE" ] || exit 0

[ -d /var/lock ] || mkdir /var/lock

[ -f "/etc/ppp/templates/$IF_USE_TEMPLATE" ] || {
        logger "$0: requested template '/etc/ppp/templates/$IF_USE_TEMPLATE' not found."
        exit 1
}

IDLEOPTIONS="persist\nmaxfail 0"
if [ "$IF_PPP_IDLETIME" -gt 0 ]; then
        IDLEOTPIONS="idletime $IF_PPP_IDLETIME"
fi

REPLACE="
        s,#IDLEOPTIONS#,$IDLEOPTIONS,
        s,#USERNAME#,$IF_PPP_USERNAME,
        s,#PASSWORD#,$IF_PPP_PASSWORD,
        s,#DEVICE#,$IF_PPP_DEVICE,
"

sed "$REPLACE" < /etc/ppp/templates/$IF_USE_TEMPLATE > /etc/ppp/peers/$IF_PROVIDER

case "$IF_USE_TEMPLATE" in
umts)
        # set UMTS-LED to green (bit 3)
        LED=$(cat /proc/sys/diag)
        echo $((LED | 8)) > /proc/sys/diag

        # wait for card to initialize
        COUNT=0
        while [ $((COUNT++)) -lt 20 ]; do
                [ -c "$IF_PPP_DEVICE" ] && break
                [ $COUNT -eq 20 ] && {
                        logger "$0: '$IF_PPP_DEVICE' not found"
                        exit 1
                }
                sleep 1
        done

        # wait till the SIM is ready
        comgt -s /etc/comgt/waitready.comgt -d $IF_PPP_DEVICE || exit 1

        # set pincode
        if [ "$IF_UMTS_PINCODE" ]; then
                COMGTPIN="$IF_UMTS_PINCODE" comgt PIN -d $IF_PPP_DEVICE || ERROR=1
        fi

        # set APN
        COMGTAPN="$IF_UMTS_APN" comgt APN -d $IF_PPP_DEVICE || ERROR=1

        # set umts/gprs mode if available (Option cards only)
        case "$IF_UMTS_MODE" in
                gprs_only)      comgt 2G -d $IF_PPP_DEVICE ;;
                umts_only)      comgt 3G -d $IF_PPP_DEVICE ;;
                umts_first)     comgt 3G2G -d $IF_PPP_DEVICE ;;
                "")             ;;
                *)              echo "unknown umts-mode, exiting"
                                ERROR=1
                                ;;
        esac

        if [ "$ERROR" == "1" ]; then
                echo "$LED" > /proc/sys/diag
                exit 1
        fi
        ;;
esac