usr.bin/chat/ppp-on

#!/bin/sh

#
#       ppp-on
#
#       Set up a PPP link
#

LOCKDIR=/var/spool/lock
DEVICE=com1

PHONE=4511234
USER=Pkarl
PASSWORD=password
OUR_IP_ADDR=137.175.6.3

if [ -f $LOCKDIR/LCK..$DEVICE ]
then
    echo "PPP device is locked"
    exit 1
fi

fix-cua $DEVICE

(
    stty 19200 -tostop

    if chat -l LCK..$DEVICE ABORT "NO CARRIER" ABORT BUSY "" ATZ OK ATs50=255s111=0DT$PHONE CONNECT "" ogin: $USER ssword: \\q$PASSWORD
    then
        ppp mru 1500 $OUR_IP_ADDR: /dev/$DEVICE &
        sleep 10
        exit 0
    else
        echo "PPP call failed" 1>&2
        exit 1
    fi
) < /dev/$DEVICE > /dev/$DEVICE