#!/bin/bash

if ! dpkg -s fping &>/dev/null; then
	echo "[!] Install fping: sudo apt-get install fping"
	exit 1
fi

if ! dpkg -s parallel &>/dev/null; then
	echo "[!] Install parallel: sudo apt-get install parallel"
	exit 1
fi

ip_list=( "${@}" )

until [[ "${#ip_list[@]}" -gt 0 ]]; do
	echo "[!] Enter list of IP's and press ENTER then CTRL+D when done."
	ip_list=( $(cat -) )
done

echo -e "\n### Checking Hosts ###\n"

fping_ip_list=$(fping "${ip_list[@]}" &>/dev/stdout)

for ip in "${ip_list[@]}"; do
    grep_from_fping=$( <<< "${fping_ip_list}" grep "^${ip}" )
    if [[ "${grep_from_fping}" =~ "service not known" ]]; then
        invalid_ip_list+=( "${ip}" )
    elif [[ "${grep_from_fping}" =~ "is unreachable" ]]; then
        unreachable_ip_list+=( "${ip}" )
    elif [[ "${grep_from_fping}" =~ "is alive" ]]; then
        reachable_ip_list+=( "${ip}" )
    else
        echo "Something went wrong, shouldn't go this far"
        exit 1
    fi
done

echo -e "\n######## Reachable Host List ########"
printf "%s\n" "${reachable_ip_list[@]}"

echo -e "\n######## Unreachable Host List ########"
printf "%s\n" "${unreachable_ip_list[@]}"

echo -e "\n######## Unknown Host / Invalid IP List ########"
printf "%s\n" "${invalid_ip_list[@]}"

read -rp "What is the full path to the file you want to transfer?  Example: /tmp/example_filename : " FILE_SOURCE

while [ ! -f "${FILE_SOURCE}" ]; do
read -rp "File not found!  Please enter the full path to the file again: " FILE_SOURCE
done

scp_file() {
    file="${1}"
    host="${2}"
    if /usr/bin/scp "${file}" idirect@"${host}":/tmp/ &>/dev/null; then
        echo "[!] SCP: ${file} -> ${host} - OK"
    else
        echo "[!] SCP: ${file} -> ${host} - FAILED"
    fi
}

export -f scp_file
export FILE_SOURCE
echo -e "\n## Starting Now ##\n"
parallel -k --no-notice "scp_file ${FILE_SOURCE} " ::: "${reachable_ip_list[@]}"