-

ipurl=( 'http://whatismyipaddress.com/' 'http://www.ip-adress.com/' 'http://ip.ezit.hu/ip.php' \
        'http://www.whatismyip.org/' 'http://www.cmyip.com/' 'http://my-i-p.com/' \
        'http://ifconfig.me/ip' 'http://freedns.afraid.org/dynamic/check.php' 'http://checkip.dyndns.org/' )

user_agent='Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20100101 Firefox/8.0'
iface='p10p1'
releasefile='/etc/system-release'
name="${0##*/}"

wanaddr() {
    max=0
    maxindex=0
    IP[0]=0
    for ((i=0; i<${#ipurl[@]}; i++)); do
        url="${ipurl[i]}"
        ip="`wget -l1 -U "$user_agent" -O - "$url" 2>/dev/null | grep -Eo '([[:digit:]]{1,3}\.){3}[[:digit:]]{1,3}' | head -n1`"
        [ -z "$ip" ] && continue
        ready=0
        j=0
        while [ ${IP[j]} -ne 0 ]; do
            if [ x"${IP[j+1]}" = x"$ip" ]; then
                ((IP[j]++))
                if [ ${IP[j]} -gt $max ]; then
                    max=${IP[j]}
                    maxindex=$j
                fi
                ready=1
                break
            fi
            ((j+=2))
        done
        if [ $ready -ne 1 ]; then
            if [ 1 -gt $max ]; then
                max=1
                maxindex=$j
            fi
            IP[j++]=1
            IP[j++]="$ip"
            IP[j]=0
        fi
    done
    IPADDR="${IP[maxindex+1]}"
}