#!/bin/bash
# Install script for libnids/how to install libnids
# This script is provided as is and the author does not accept any responsibility
# It is generated for you convenience to install tools automatically
# If you have comments or perhaps some suggestions you can contact me at
# info (at) hacktoolrepository.com
# (c) http://www.hacktoolrepostory.com
# Script to automatically download and install libnids
# Must be run by user who can run 'make install'.
#
#
# Will install the following in this script:
#  Libnet
#  libpcap
#  libnids

#XVER = version number of software package X
#XFILE = The file to download and untar
#XDIR = The Directory which comes from the untar (i.e. XFILE without extention)
#XPATH = Download path
#XINSTDIR = The directory where the software should be installed

#=========================================================================================

PATH48="http://www.hacktoolrepository.com/files/Libraries/Libnet/libnet-1.1.2.1.tar.gz"
FILE48="libnet-1.1.2.1.tar.gz"
DIR48="libnet-1.1.2.1"
PROG48="libnet"

PATH4="http://www.hacktoolrepository.com/files/Libraries/libpcap/libpcap-1.1.1.tar.gz"
FILE4="libpcap-1.1.1.tar.gz"
DIR4="libpcap-1.1.1"
PROG4="libpcap"

PATH72="http://www.hacktoolrepository.com/files/Libraries/libnids/libnids-1.18.tar.gz"
FILE72="libnids-1.18.tar.gz"
DIR72="libnids-1.18"
PROG72="libnids"


#The directory where the source can be downloaded and build
SRCDIR='/usr/local/src/libnids'
#The directory where the software should be installed
TRGDIR='/usr/local'
REDOWNLOAD='no' #Remove downloaded files and download again
#Variables will be discovered with which. Only change when prompted by the install script
DOWNLOAD=''
AWK=''
SED=''

#=========================================================================================

# Don't change anything past here

if [ -f /etc/redhat-release ]; then
  MANPATH='/usr/local/share/man' # for hping
fi

if [ -z "$1" ]; then
  echo usage $0 username
  echo username is the person you normally log on with that will configure and make the program
  exit
fi

#The download program to use (i.e. lwp-dowload or wget including full path and options)
if [ -d ${DOWNLOAD} ]; then
  DOWNLOAD=`which wget`
fi
if [ -z ${DOWNLOAD} ]; then
  echo Could not find wget to download files. Please set the variable download at the top of the script.
  exit 3
else
  TEMPDOWN="${DOWNLOAD} -nc -t 2 --referer=http://www.hacktoolrepository.com/"
  DOWNLOAD=${TEMPDOWN}
fi

if [ -z ${SED} ]; then
  SED=`which sed`
fi
if [ -z ${SED} ]; then
  echo Could not find sed program. Please set variable sed at the top of the script.
  exit 4
fi

if [ -z ${AWK} ]; then
  AWK=`which awk`
fi
if [ -z ${AWK} ]; then
  echo Could not find awk program. Please set variable AWK at the top of the script.
  exit 5
fi

# Ran by superuser?
eval `/usr/bin/id | ${SED} 's/[^a-z0-9=].*//'`
if [ "${uid:=0}" -ne 0 ]
then
  echo $0: You must be root to run $0
  exit 2
fi

SCRIPTPATH=`pwd`
USER=$1

export SRCDIR TRGDIR USER DOWNLOAD SED AWK SCRIPTPATH REDOWNLOAD
export PATH48 FILE48 DIR48
export PATH4 FILE4 DIR4
export PATH72 FILE72 DIR72


umask 022

mkdir -p ${SRCDIR}
chown ${USER} ${SRCDIR}


cd ${SRCDIR}
rm -fr ${SRCDIR}/${DIR48}
su ${USER} -c '
  cd ${SRCDIR}
  if [ ! -f "${FILE48}" ]; then
    echo retrieving libnet-1.1.2.1.tar.gz
    ${DOWNLOAD} "${PATH48}"
  fi;
  tar -xzvf "${FILE48}" -C "${SRCDIR}"
  mv ${SRCDIR}/libnet ${SRCDIR}/${DIR48}
  cd "${SRCDIR}/${DIR48}"
  ./configure --prefix=${TRGDIR}
  make
'
cd "${SRCDIR}/${DIR48}"
make install
echo "${TRGDIR}/lib" > /etc/ld.so.conf.d/libnet.conf && ldconfig

cd ${SRCDIR}
rm -fr ${SRCDIR}/${DIR4}
su ${USER} -c '
  cd ${SRCDIR}
  if [ ! -f "${FILE4}" ]; then
    echo retrieving libpcap-1.1.1.tar.gz
    ${DOWNLOAD} "${PATH4}"
  fi;
  tar -xzvf "${FILE4}" -C "${SRCDIR}"
  cd "${SRCDIR}/${DIR4}"
  ./configure --prefix=${TRGDIR}
  make
'
cd "${SRCDIR}/${DIR4}"
make install
mkdir ${TRGDIR}/include/net && ln -sf ${TRGDIR}/include/pcap-bpf.h ${TRGDIR}/include/net/bpf.h && echo "${TRGDIR}/lib" > /etc/ld.so.conf.d/tcpdump.conf && ldconfig

cd ${SRCDIR}
rm -fr ${SRCDIR}/${DIR72}
su ${USER} -c '
  cd ${SRCDIR}
  if [ ! -f "${FILE72}" ]; then
    echo retrieving libnids-1.18.tar.gz
    ${DOWNLOAD} "${PATH72}"
  fi;
  tar -xzvf "${FILE72}" -C "${SRCDIR}"
  cd "${SRCDIR}/${DIR72}"
  ./configure --prefix=${TRGDIR}
  sed -i "s/#elif$/#else$/" src/killtcp.c
  make
'
cd "${SRCDIR}/${DIR72}"
make install
echo "${TRGDIR}/lib" > /etc/ld.so.conf.d/libnids.conf && ldconfig


echo '#########################################################'
echo '#                                                       #'
echo '#               Done installing libnids'
echo '#                                                       #'
echo '#########################################################'
echo

echo version info for libnids
cp ${SRCDIR}/${DIR48}/libnet-config /usr/local/bin/