#!/bin/bash

# Slackware build script for HAVP

# Written by William Bowman <wilbowma@indiana.edu>

PRGNAM=havp
VERSION=${VERSION:-0.92a}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) 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

bailout() {
  printf "\n  You must have a \"havp\" user and \"clamav\" group in order
  to run this script.  Add them with something like this
  (the uid and gid are only suggestions):
     groupadd -g 210 clamav
     useradd -u 256 -d /dev/null -s /bin/false -g clamav havp \n"
  exit 1
}

if ! getent group clamav 2>&1 >/dev/null; then
  bailout ;
elif ! getent passwd havp 2>&1 > /dev/null; then
  bailout ;
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 -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# See the patch headers for details
patch -p1 < $CWD/patches/fixup_and_install_init_script.diff
patch -p1 < $CWD/patches/use_clamav_group_by_default.diff
patch -p1 < $CWD/patches/put_templates_in_usrshare.diff
patch -p1 < $CWD/patches/use_vartmphavp_for_tempdir.diff

CFLAGS="$SLKCFLAGS"
./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --datadir=/usr/share \
  --localstatedir=/var \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --enable-ssl-tunnel \
  --build=$ARCH-slackware-linux

make CFLAGS="$SLKCFLAGS -Wall -g"
make install DESTDIR=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Let's not clobber configs
for file in blacklist whitelist havp.config ; do
  mv $PKG/etc/havp/$file $PKG/etc/havp/$file.new ;
done

# Note that /var/log/havp should probably not be operated on by logrotate,
# since it runs as root, and the directory is controlled by a non-root
# process.  This is mitigated in logrotate-3.8.0+ with an "su" directive
# to logrotate, but it's not available in 13.37.
chown havp:clamav $PKG/var/{log,run,tmp}/havp
chmod 0775 $PKG/var/tmp/havp

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a INSTALL COPYING ChangeLog $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.setup > $PKG/usr/doc/$PRGNAM-$VERSION/README.setup

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}