gnmap2banner.sh - Find "http" or any specified service type in .gnmap file and convert into "IP:PORT:PROTOCOL:SERVICE:BANNER" format

gnmap2banner.sh

#!/bin/bash
# Name:         gnmap2banner.sh
# Purpose:      Search for a specific service type from gnmap file and
#               prints out the result in "IP:Port:Service:Banner" format
# Usage:        ./gnmap2banner.sh nmap_result.gnmap [service]
# Author:       Weerawat Pawanawiwat <ErbaZZ>

file=$1
service="http"

if [ -z "$1" ]
then
        echo "Usage: $0 gnmap_file [service]"
        exit 1
fi

if [ -n "$2" ]
then
        service="$2"
fi

while read line; do
        ip=`echo $line | cut -d " " -f 2`
        echo $line | grep -ioP "\d+/open/(tcp|udp)//[^/]*$service[^/]*//[^,]*/" | while read -r match ; do
                echo $ip:`echo $match | cut -s -d "/" -f 1,3,5,7 --output-delimiter=":"`
        done
done < <(cat $1 | grep "Ports:")