#!/bin/sh
# Copyright (c) 2006,2007 Eric Hameleers <alien@slackware.com>
# Modified to SBo format with the help of Yalla-One
# 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.
# -----------------------------------------------------------------------------

# set -e

PRGNAM=clamav
VERSION=0.91.1
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG="$TMP/package-$PRGNAM"
OUTPUT=${OUTPUT:-/tmp}

# Read "README.slackware" for compatibility with amavisd-new
CLAMUSR=clamav
CLAMGRP=clamav
CLAMUID=210
CLAMGID=210

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
fi

CFLAGS=${CFLAGS:-$SLKCFLAGS}

# Check for ClamAV user and group availability
DO_EXIT=0
if ! grep ^${CLAMGRP}: /etc/group 2>&1 > /dev/null; then
  cat << EOF

  Must have a ${CLAMGRP} group to run this script
  Otherwise your permissions will be FUBAR

  # groupadd -g ${CLAMGID} ${CLAMGRP}

EOF
  DO_EXIT=1
elif ! grep ^${CLAMUSR}: /etc/passwd 2>&1 > /dev/null; then
  cat << EOF

  Must have a ${CLAMUSR} user to run this script
  Otherwise your permissions will be FUBAR

  # useradd -u ${CLAMUID} -d /dev/null -s /bin/false -g ${CLAMGRP} ${CLAMUSR}

EOF
  DO_EXIT=1
fi
[ $DO_EXIT -eq 1 ] && exit

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 .
chmod -R u+w,go+r-w,a-s .

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
LDFLAGS="$SLKLDFLAGS" \
./configure --prefix=/usr \
            --libdir=/usr/lib \
            --localstatedir=/var \
            --sysconfdir=/etc \
            --mandir=/usr/man \
            --with-user=${CLAMUSR} --with-group=${CLAMGRP} \
            --with-dbdir=/usr/share/clamav \
            --with-libcurl \
            --with-tcpwrappers \
            --enable-milter \
            --enable-id-check \
            --disable-static

make 

# Patch the configuration files
cd etc
patch < $CWD/clamd.conf.patch
patch < $CWD/freshclam.conf.patch
cd -

make install DESTDIR=$PKG

# Prepare the config files:
cd $PKG/etc
mv clamd.conf clamd.conf.new
mv freshclam.conf freshclam.conf.new
cd -

# Where to store the pid file:
mkdir -p $PKG/var/run/clamav

# Our rc script:
mkdir -p $PKG/etc/rc.d/
cp $CWD/rc.clamav $PKG/etc/rc.d/rc.clamav.new
chown root:root $PKG/etc/rc.d/rc.clamav.new
chmod 754 $PKG/etc/rc.d/rc.clamav.new

# Documentation:
cp $CWD/README README.slackware
cp -a clamav-milter/INSTALL INSTALL.milter
DOCS="AUTHORS BUGS COPYING ChangeLog FAQ INSTALL NEWS README UPGRADE \
      docs/*.pdf docs/html examples INSTALL.milter README.slackware"

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
chmod -R a-w $PKG/usr/doc/$PRGNAM-$VERSION/*

# Compress the man page(s)
find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

# Strip binaries
cd $PKG
find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
cd -

# Ownership, rights:
chown -R root:root $PKG
chmod -R o-w $PKG

# Package description:
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
if [ -f $CWD/doinst.sh ]; then
  cat $CWD/doinst.sh >> $PKG/install/doinst.sh
fi

# Build the package:
cd $PKG
makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz