#!/bin/sh

# Slackware build script for DNS Flood Detector

# Written by Menno E. Duursma <druiloor@zonnet.nl>

# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.

PRGNAM=dnsflood 
VERSION=${VERSION:-1.12}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

NAME=dns_flood_detector # program name

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e # Exit on most errors

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION $NAME
tar xvf $CWD/$PRGNAM-$VERSION.tgz
cd $NAME
chown -R root:root .
find . -type d | xargs chmod 0755
find . -type f | xargs chmod go-w,a-s

# Create destdirs
mkdir -p $PKG/etc/rc.d
mkdir -p $PKG/usr/sbin
mkdir -p $PKG/usr/man/man1

# Use the Linux Makefile
./configure.pl Linux

# Fix installation location, set CFLAGS
sed -i -e "s#/usr/local/sbin/#$PKG/usr/sbin#g" \
       -e "s/^\(CFLAGS=\).*/\1 -Wall $SLKCFLAGS -D_BSD_SOURCE/" \
  Makefile

make
make install

# Include the manpage
cat $CWD/dns_flood_detector.1 \
  | gzip -9c \
    > $PKG/usr/man/man1/dns_flood_detector.1.gz

# Add some sysmlinks, probably expected to exist to some users
( cd $PKG/usr/sbin || exit 1
  ln -vsf $NAME $PRGNAM
)
( cd $PKG/usr/man/man1 || exit 1
  ln -vsf $NAME.1.gz $PRGNAM.1.gz
)

# Add a daemon control script
cat $CWD/rc.$PRGNAM > $PKG/etc/rc.d/rc.$PRGNAM.new

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a [A-Z][A-Z]* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README$TAG

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/$PRGNAM-$VERSION
  rm -rf $PKG
fi