#!/bin/sh

# Slackware build script for dansguardian
# http://dansguardian.org
#
# Parts of this SlackBuild are directly copied from 
#   http://www.slackware.com/~alien/slackbuilds/dansguardian/
# and are:
#
# Copyright (c) 2006-2008 Eric Hameleers <alien@slackware.com>
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
#   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#   IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
#   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
#   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
#   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#   SUCH DAMAGE.
#
# All other are
# Copyright 2006-2010  David Somero (dsomero@hotmail.com) Athens,TN USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=dansguardian
VERSION=${VERSION:-2.10.1.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

# 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 these user accounts do not exist on the target system, you will have
# to create them before you install the resulting package!
PROXY_USR=${PROXY_USR:-nobody}
PROXY_GRP=${PROXY_GRP:-nobody}

if ! grep -q ^$PROXY_USR: /etc/passwd ; then
  echo "  You must have a $PROXY_USR user to run this script."
  exit 1
fi

if ! grep -q ^$PROXY_GRP: /etc/group ; then
  echo "  You must have a $PROXY_GRP group to run this script."
  exit 1
fi

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 

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Fix building with gcc4.4.
patch -p1 < $CWD/dansguardian-2.10.1.1-gcc44.patch

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --bindir=/usr/sbin \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --with-logdir=/var/log/dansguardian \
  --with-proxyuser=${PROXY_USR} \
  --with-proxygroup=${PROXY_GRP} \
  --with-piddir=/var/run \
  --enable-pcre \
  --enable-commandline \
  --enable-email \
  --build=${ARCH}-slackware-linux

make
make install DESTDIR=$PKG

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING INSTALL README $PKG/usr/doc/$PRGNAM-$VERSION

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

mkdir -p $PKG/etc/{rc.d,logrotate.d}
cat $PKG/usr/share/dansguardian/scripts/systemv-init > $PKG/etc/rc.d/rc.dansguardian

# Note that the .new file left hanging around in /etc/logrotate.d/ will
# probably/surely make cron'd logrotations fail, but not installing it
# as .new here will clobber a potentially custom file.  Therefore, the
# choice is either *we* do bad things, or the *user* screws up.  
# This one's easy  ;-)  --rworkman
cat $PKG/usr/share/dansguardian/scripts/dansguardian \
  > $PKG/etc/logrotate.d/dansguardian
chown ${PROXY_USR}:${PROXY_GRP} $PKG/var/log/dansguardian

# Find config files and add the .new.
# Used by the next block of code.
get_config_files() {
  for i in $(ls -1 $1); do
    if [ -d "$1/$i" ]; then
      get_config_files "$1/$i"
    else
      echo -n "$1/$i.new " | sed -e "s/^$(echo $PKG | sed -e 's/\//\\\//g')\///g"
      mv "$1/$i" "$1/$i.new"
    fi
  done
}

# Finish the doinst.sh by adding the .new file list and config loop
if [ -e $PKG/etc ]; then 
  etc_files=$(get_config_files $PKG/etc)

cat <<DOINST >> $PKG/install/doinst.sh
for FILE in $etc_files
do
  config \$FILE
done
DOINST
fi

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