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#! /bin/bash

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts
. ./network-functions

CONFIG=$1
[ -f "${CONFIG}" ] || CONFIG=ifcfg-${1}
source_config

if [ "${2}" = "boot" -a "${ONBOOT}" = "no" ]; then
  exit
fi

[ -z "$CELLULAR_CID" ] && CELLULAR_CID=1
[ "${DEBUG}" = "yes" ] && CHATDBG="-v"

CHATSCRIPT=/etc/sysconfig/network-scripts/chat-${DEVNAME}
[ -f ${CHATSCRIPT} ] || {
  CHATSCRIPT=/etc/sysconfig/network-scripts/chat-${PARENTDEVNAME}
}
[ -f ${CHATSCRIPT} ] || {
 echo $"/etc/sysconfig/network-scripts/chat-${DEVNAME} does not exist"
 echo $"ifup-hso for ${DEVNAME} exiting"
 logger -p daemon.info -t ifup-hso \
   $"/etc/sysconfig/network-scripts/chat-${DEVNAME} does not exist for ${DEVICE}"
 exit 1
}

CELLULAR_PIN=$(cat pin-${DEVICE} 2>/dev/null)
if [ -n "$CELLULAR_PIN" -a -x /usr/sbin/comgt ]; then
    COMGTPIN=$CELLULAR_PIN comgt PIN -d $MODEMPORT
fi

if ! /usr/sbin/chat ${CHATDBG} -s -f ${CHATSCRIPT} < $MODEMPORT > $MODEMPORT; then
    echo $"Connect script failed"
    exit 1
fi

CHATSCRIPT=`mktemp /tmp/chatXXXXXX`
CHATRESULT=`mktemp /tmp/chatXXXXXX`
cat > $CHATSCRIPT <<EOF
ABORT ERROR
TIMEOUT 10
"" ATZ
OK "AT_OWANCALL=${CELLULAR_CID},1,0"
OK "AT_OWANDATA=${CELLULAR_CID}"
OK ""
EOF
TRIES=10
BOOTARG=$2

while [ "$TRIES" -gt 0 ]; do
    if /usr/sbin/chat ${CHATDBG} -s -V -f ${CHATSCRIPT} < $MODEMPORT > $MODEMPORT 2> ${CHATRESULT}; then
	DATA=$(grep ^_OWANDATA $CHATRESULT)
	if [ -n "$DATA" ]; then
	    set $(echo $DATA | cut -d ',' -f 2,4,5 --output-delimiter ' ')
	    IPADDR=$1
	    DNS1=$2
	    DNS2=$3
	    break
	fi
    fi
    sleep 2
    let TRIES=$TRIES-1
done
rm -f $CHATSCRIPT $CHATRESULT

if [ "$TRIES" = 0 ]; then
    echo $"Connect script failed (HSO)"
    exit 1
fi

ifconfig $DEVICE $IPADDR up
route add default dev $DEVICE ${METRIC:+metric $METRIC}
export DNS1 DNS2
exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} $BOOTARG