= Menu Console =

Edit /home/admin/.profile by put the script '''menu4.sh''' in this file

{{{
#!sh
/home/admin/menu4.sh
}}}

check valid script "./checkIP.sh 192.168.8.9/24" 

{{{
#!/bin/bash

# Test an IP address for validity:
# Usage:
#      valid_ip IP_ADDRESS
#      if [[ $? -eq 0 ]]; then echo good; else echo bad; fi
#   OR
#      if valid_ip IP_ADDRESS; then echo good; else echo bad; fi
#

function valid_ip()
{
    local  ip=$1
    local  stat=1

    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
        OIFS=$IFS
        IFS='.'
        ip=($ip)
        IFS=$OIFS
        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
            && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
        stat=$?
    fi
    return $stat
}


# set static LAN IP in  /etc/network/interfaces
IP_ADDR=$1
IP_ADDR_NET=${IP_ADDR/\//\\/}
IP_ONLY=$(sed "s/\/.*//" <<< "$IP_ADDR")
echo $IP_ONLY
if valid_ip $IP_ONLY; then stat=true; else stat=false; fi
if [ "$stat" = true ] ; then
    echo "IP set"
    sudo /bin/sed -i "s/address.*/address $IP_ADDR_NET/g" /etc/network/interfaces
else
    echo "IP not valid"
fi

}}}

check valid GW ip "./checkGW.sh 192.168.0.1"
{{{
#!sh
#!/bin/bash

# Test an IP address for validity:
# Usage:
#      valid_ip IP_ADDRESS
#      if [[ $? -eq 0 ]]; then echo good; else echo bad; fi
#   OR
#      if valid_ip IP_ADDRESS; then echo good; else echo bad; fi
#

function valid_ip()
{
    local  ip=$1
    local  stat=1

    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
        OIFS=$IFS
        IFS='.'
        ip=($ip)
        IFS=$OIFS
        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
            && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
        stat=$?
    fi
    return $stat
}



# set static LAN IP in  /etc/network/interfaces
GW_ADDR=$1

if valid_ip $GW_ADDR; then stat=true; else stat=false; fi
if [ "$stat" = true ] ; then
    echo "GW set"
    sudo /bin/sed -i "s/gateway.*/gateway  $GW_ADDR/g" /etc/network/interfaces
else
    echo "GW not valid"
fi

}}}