Negotiate Content Scanner (RFC 2616)

negotiate_bruteforce.sh

#!/bin/bash

#################
# CONFIG COLORS #
#################

# Text color variables
txtund=$(tput sgr 0 1)          # Underline
txtbld=$(tput bold)             # Bold
bldred=${txtbld}$(tput setaf 1) #  red
bldblu=${txtbld}$(tput setaf 4) #  blue
bldwht=${txtbld}$(tput setaf 7) #  white
txtrst=$(tput sgr0)             # Reset
info=${bldwht}*${txtrst}        # Feedback
pass=${bldblu}*${txtrst}
warn=${bldred}*${txtrst}
ques=${bldblu}?${txtrst}


################

if [ ! $# == 2  ] && [ ! $# == 3 ];then
    echo "Usage: $0 <http address> <dictionary> [<N alternatives>]"
    exit 1
fi

nalternatives=1
if [ ! -z $3 ];then
    nalternatives=$3
fi

# Beep with echo -ne '\007'
echo "Beep when more than $nalternatives alternatives is found"

if [ ! -r $2 ];then
    echo "The file $2 does not exists or is not readable"
    exit 2
fi

for line in `cat $2`;do
    response=$(curl -s -I --header "Accept: mierdapura/caca" --header "Connection: close" $1/$line)
    code=$(echo $response | grep -E "HTTP/1.1 |HTTP/1.0 " | cut -f2 -d' ')
    alternatives=$(echo $response | grep -oE "{\".*}}")
    n=$(echo $alternatives | wc -l)

    if [ $code == 406 ];then
        echo -n "[$bldblu SUCCESS$txtrst ] ($code) - "
    else
        n=0
        echo -n "[$bldred FAIL $txtrst]    ($code) - " 
    fi
    echo "$1/$line: $n alternatives found"

    if [ $code == 406 ];then 
        n=$(echo $alternatives | wc -l)
        if [ $n -gt $nalternatives ];then
            echo -ne '\007'
            echo "------------------------------------"
            echo "- $alternatives "
            echo "------------------------------------"
        fi
    fi
done