bin/ppp9k

   1 #!/bin/sh
   2 #
   3 # $Id$
   4
   5 # IP address for N9K, "192.168.90.1" if not provided (either here or from
   6 # some ~/.profile etc.)
   7 #NOKIA9K=
   8
   9 # Nameserver for N9K, taken from /etc/resolv.conf if not provided
  10 #NS=
  11
  12 # Serial port with attached N9K, default is /dev/ttyS1 (AKA COM2:)
  13 #PORT=/dev/ttyS1
  14
  15 # Nokia baudrate, usually 19200 or 38400, default is 19200
  16 #NOKIABAUD=19200
  17
  18 # No user-servicable parts below!
  19
  20 pid="/var/run/ppp9k.pid"
  21 if [ -f "$pid" ];then
  22         if kill -0 `head -n 1 "$pid"` 2>/dev/null;then
  23                 echo "Killing previous ppp9k on PID(s):" `cat "$pid"`
  24                 kill `cat "$pid"`
  25                 rm -f "$pid"
  26                 exit 0
  27         else
  28                 echo "Removing state lock of PID(s):" `cat "$pid"`
  29                 rm -f "$pid"
  30         fi
  31 fi
  32
  33 IP="${NOKIA9K:-192.168.90.1}"
  34 NS="`grep '^nameserver' /etc/resolv.conf|head -n 1|cut -f 2 -d ' '`"
  35 NS="${NS:-127.0.0.1}"
  36 if [ "$NS" = localhost -o "${NS#127.}" != "$NS" ];then NS="`hostname -f`";fi
  37 PORT="${PORT:-ttyS1}"
  38 if [ "${PORT#*/}" = "$PORT" ];then PORT="/dev/$PORT";fi
  39 NOKIABAUD="${NOKIABAUD:-19200}"
  40
  41 # Some rules for the chat script:
  42 # 9000i starts with: ATZ, AT&F  (the need for TIMEOUT 2, "-OK^M^J-AT&F")
  43 # 9110  starts with:      AT&F
  44 # user can have global     custom initialization string (need for one "OK^M^J")
  45 # user can have connection custom initialization string (need for one "OK^M^J")
  46
  47 (trap "" HUP
  48         while [ '!' -f "$pid" ];do sleep 1;done
  49         me="`cat "$pid"`"
  50         while :;do
  51                 pppd "$PORT" "$NOKIABAUD" modem lock -crtscts xonxoff :$IP asyncmap 0 ms-dns "$NS" \
  52                         connect 'chat -v                              \
  53                                 "TIMEOUT" "86400"                     \
  54                                 "AT"      "\c"                        \
  55                                 "TIMEOUT" "2"                         \
  56                                 "&F-OK^M^J-AT&F" "OK^M^JOK^M^JOK^M^J" \
  57                                 "TIMEOUT" "20"                        \
  58                                 "ATD"     "CONNECT^M^J"               \
  59                                 ' \
  60                         -ccp nodefaultroute proxyarp lcp-echo-interval 30 lcp-echo-failure 2 lcp-max-configure 30 -detach \
  61                         -chap noauth "$@" &
  62                 echo -e "$me\n$!" >"$pid"
  63                 wait
  64                 echo "$me" >"$pid"
  65                 sleep 10
  66         done) </dev/null &>/dev/null &
  67
  68 he="$!"
  69 echo "$he" >"$pid"
  70 echo "Starting up: PID=$he, port=$PORT, baud=$NOKIABAUD, remoteIP=$IP, nameserver=$NS"