#!/bin/bash

# Slackware build script for opendmarc

# Copyright 2019  Mario Preksavec, Zagreb, Croatia
# 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=opendmarc
VERSION=${VERSION:-1.3.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

CWD=$(pwd)
TMP=${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

# Bail if user or group isn't valid on your system
if ! grep ^$PRGNAM: /etc/passwd 2>&1 > /dev/null; then
  cat << EOF

  You must have a $PRGNAM user to run this script

  # groupadd -g 362 $PRGNAM
  # useradd -u 362 -d /var/run/$PRGNAM -s /bin/false -g $PRGNAM $PRGNAM

EOF

  if grep ^postfix: /etc/passwd 2>&1 > /dev/null; then
    cat << EOF

  You might want to add postfix user to the group

  # usermod -a -G $PRGNAM postfix

EOF
  fi
  exit
fi

case ${WITH_MYSQL,,} in
  y) SQLARGS=--with-sql-backend ;;
  *) SQLARGS= ;;
esac

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 \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# http://batleth.sapienti-sat.org/projects/opendmarc/
# ... and a few more
for i in $CWD/patches/* ; do patch -p1 <$i ; done

autoreconf -vif

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-static=no \
  --with-spf \
  $SQLARGS \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

# Install init script
install -D -m0755 -oroot -groot contrib/init/generic/$PRGNAM $PKG/etc/rc.d/rc.$PRGNAM.new
sed -e "s|^\(prefix=\).*|\1|" \
    -e "s|^\(exec_prefix=\).*|\1/usr|" \
    -e "s|/etc/sysconfig/opendmarc|/etc/default/opendmarc|" \
    -i $PKG/etc/rc.d/rc.$PRGNAM.new

# Configure defaults
install -D -m0644 -oroot -groot $PRGNAM/$PRGNAM.conf.sample $PKG/etc/$PRGNAM.conf.new
sed -e "s|^# \(AuthservID\) .*|\1 HOSTNAME|" \
    -e "s|^# \(HistoryFile\) .*|\1 /var/run/$PRGNAM/$PRGNAM.dat|" \
    -e "s|^# \(Socket\) .*|\1 unix:/var/run/$PRGNAM/$PRGNAM.sock|" \
    -e "s|^# \(SPFIgnoreResults\) .*|\1 true|" \
    -e "s|^# \(SPFSelfValidate\) .*|\1 true|" \
    -e "s|^# \(Syslog\) .*|\1 true|" \
    -e "s|^# \(UMask\) .*|\1 007|" \
    -e "s|^# \(UserID\) .*|\1 $PRGNAM:$PRGNAM|" \
    -i $PKG/etc/$PRGNAM.conf.new

# Home directory for runtime data
mkdir -p $PKG/var/run/$PRGNAM
chown $PRGNAM:$PRGNAM $PKG/var/run/$PRGNAM

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

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a RELEASE_NOTES $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE

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}