lint-16800-info.sh

#!/bin/sh
#
# lint-16800-info.sh -- Dump info from a potfile
#
# based on 16800-tail-n1-info.sh from diegodieguex
# Changes:
# - Iterate over file
# - Cleaned up code
# - Support for 2500 pots as well
#
# (C) 2018 Carlos Lint, licensed as MIT.
#


if [ -r "$1" ] ; then
  while read LINE ; do
    if [ `echo $LINE | grep -c \*` -gt 0 ]; then
      SEP=\*
      AST=1
    else
      SEP=\:
      AST=0
    fi

    TMP2=`echo "$LINE" | cut -c 34-`
    BSSID=`echo "$TMP2" | cut -d "$SEP" -f1`
    PREC=`echo "$LINE" | cut -c 47-`
    CLIENT=`echo "$PREC" | cut -d "$SEP" -f1`
    TMP3=`echo "$TMP2" | cut -c 27-`
    ESSID=`echo "$TMP3" | cut -d ":" -f1`
    PSK=`echo $LINE | awk 'BEGIN { FS = ":" } ; { print $NF }'`

    echo "VENDOR:\t"`whoismac -m "$BSSID"`
    echo "CLIENT:\t"`whoismac -m "$CLIENT"`
    if [ $AST = 0 ]; then
      echo "ESSID:\t$ESSID"
    else
      echo "ESSID:\t"`echo $ESSID | xxd -r -p`
    fi
    echo -n "PSK:\t"
    echo "$PSK" | awk 'BEGIN { FS = ":" } ; { print $NF }'
    echo -n "COUNT:\t"
    echo "$PSK" | awk '{t+=length($0)}END{print t}'
    echo
    echo
  done < "$1"
else
  echo "Usage: $0 <potfile>"
  echo
fi