hostconf.sh

#!/bin/bash
#============================================================
#
#          FILE:  hostconf
#
#         USAGE:  ./hostconf
#
#   DESCRIPTION:  Formatted network interface information for better readability. More options
#                 planned to be coded in subsequent releases.
#
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  Development of this tool is still in progress.
#        AUTHOR:  tankd,
#       COMPANY:  ---
#       VERSION:  1.10
#       CREATED:  10/27/11 01:42:08 PST
#      REVISION:  ---
#============================================================

# Set variable values needed by script
SCRIPT_NAME=$0
INTERFACES=/tmp/interfaces.lst

# Define the function root_check
function root_check () {
if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root" 1>&2
       exit 1
fi
}

# Define the function usage
function usage () {
    cat <<EOF
GNU HostConf 1.10, a non-interactive host configuration tool.
Usage: $0 [OPTION]...<ARGUMENT>...

Startup:
    -h,    --help
    -v,    --version
    -s,    --show

Logging and Output:
    -o,    --output
    -q,    --quiet

Interface:
    -i,    --interface
    -a,    --addr
    -m,    --mask
    -r,    --reset

Host and Domain:
    -n,    --name
    -d,    --domain
    -f,    --hostname
EOF
    exit 0
}

# Define the function version
function version () {
    cat <<EOF
#============================================================
#
#          FILE:  hostconf
#
#         USAGE:  ./hostconf
#
#   DESCRIPTION:  Formatted network interface information for better readability. More options
#                 planned to be coded in subsequent releases.
#
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  Development of this tool is still in progress.
#        AUTHOR:  tankd,
#       COMPANY:  ---
#       VERSION:  1.10
#       CREATED:  10/27/11 01:42:08 PST
#      REVISION:  ---
#============================================================
EOF
    exit 0
}

# Define the function int_list
function int_list () {

# Delete existing 'interfaces.lst' file
if [ -f ${INTERFACES} ]; then
    rm ${INTERFACES}
fi

# Generate 'interface.lst' file
ifconfig | grep -E --only-matching '(eth[0-9]+)' >> /tmp/interface.lst
ifconfig | grep -E --only-matching '(wlan[0-9]+)' >> /tmp/interface.lst
ifconfig | grep -E --only-matching '(ppp[0-9]+)' >> /tmp/interface.lst
ifconfig | grep -E --only-matching '(vboxnet[0-9]+)' >> /tmp/interface.lst
ifconfig | grep -E --only-matching '(vmnet[0-9]+)' >> /tmp/interface.lst
ifconfig | grep -E --only-matching '(lo)' >> /tmp/interface.lst
}

# Define the function show_all
function show_all () {

# Username
USER=$(whoami)

# Hostname
HOSTNAME=$(hostname)

# UNIX/Linux Distribution
DIST=$(cat /etc/*-release | grep 'DISTRIB_ID' | sed 's/DISTRIB\_ID\=//g')

# UNIX/Linux Version
VER=$(cat /etc/*-release | grep 'DISTRIB_RELEASE' | sed 's/DISTRIB\_RELEASE\=//g')

# UNIX/Linux Base
BASE=$(cat /etc/*-release | grep 'DISTRIB_CODENAME' | sed 's/DISTRIB\_CODENAME\=//g')

# UNIX/Linux Kernel Version
KERNEL=$(uname -r)

# Begin Information Display
echo Username : ${USER}
echo
echo Hostname : ${HOSTNAME}
echo
echo Distribution : ${DIST}
echo
echo Version : ${VER}
echo
echo Base Derivative : ${BASE}
echo
echo Kernel : ${KERNEL}
echo
for i in `cat /tmp/interfaces`; do
    INT_VAR=${INT_VAR}|${i}
done
ACTIVE=$(echo Active Interfaces${INT_VAR} | sed 's/faces\|/faces\ \:\ /g' | sed 's/[\]/\ \|\ /g')
echo ${ACTIVE}
echo
for i in `cat /tmp/interfaces`; do
    INT_VAR=${i}
    # Enumerate the interface configuration and set variables
    #
    # Connection Media
    MEDIA=$(ifconfig ${INT_VAR} | grep -E --only-matching '(encap\:[A-Za-z]+)' | sed 's/encap[:]//g')

    # Inet Address
    INET=$(ifconfig ${INT_VAR} | grep -E --only-matching '(addr\:)([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)' | sed 's/addr[:]//g')

    # MAC Address
    MAC=$(ifconfig ${INT_VAR} | grep -E --only-matching '([a-z0-9][a-z0-9]\:[a-z0-9][a-z0-9]\:[a-z0-9][a-z0-9]\:[a-z0-9][a-z0-9]\:[a-z0-9][a-z0-9]\:[a-z0-9][a-z0-9])')

    # Subnet Mask
    MASK=$(ifconfig ${INT_VAR} | grep -E --only-matching '(Mask\:)([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)' | sed 's/Mask[:]//g')
    echo Interface : ${INT_VAR}
    echo
    echo     Connection Media : $MEDIA
    echo
    echo     IPv4 : $INET
    echo
    echo     Netmask : $MASK
    echo
    echo     MAC Address : $MAC
    echo
done
}