#!/bin/bash

# Slackware build script for mod_evasive (an Apache DoS protection module)

# Written by Menno Duursma

# This program is free software. It comes without any warranty.
# Granted WTFPL, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=mod_evasive
VERSION=${VERSION:-1.10.1}
BUILD=${BUILD:-3}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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
tar xvf $CWD/${PRGNAM}_${VERSION}.tar.gz
cd $PRGNAM
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
 -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

patch -p1 < $CWD/fixup-for-httpd24.diff

# Create target dir
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/httpd/modules

# Compile module as DSO (dynmically shared object)
CFLAGS="$SLACKFLAGS" \
apxs -ca mod_evasive20.c

# copy into place
cp -v .libs/mod_evasive20.so $PKG/usr/lib${LIBDIRSUFFIX}/httpd/modules

mkdir -p $PKG/etc/httpd/extra
sed "s%@baselibdir@%lib${LIBDIRSUFFIX}%" $CWD/mod_evasive.conf > \
  $PKG/etc/httpd/extra/mod_evasive.conf.new

( cd $PKG || exit 1
  find . -type f | xargs file | grep -e "executable" -e "shared object" | \
    grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded  2> /dev/null
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CHANGELOG LICENSE README test.pl $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc -type f -exec chmod 0644 {} \;

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
