#!/bin/bash
# Slackware build script for opensmtpd-extras
# Yth | Pont-en-Royans, France | yth@ythogtha.org
#
# 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.

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

PRGNAM=opensmtpd-extras
SRCNAM=OpenSMTPD-extras
VERSION=${VERSION:-6.7.1}
BUILD=${BUILD:-1}
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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686 -fstack-protector"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686 -fstack-protector"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC -fstack-protector"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2 -fstack-protector"
  LIBDIRSUFFIX=""
fi

# Thanks to ffmpeg4 slackbuild !
enable() {
  VAR="$1"; shift
  DEF="$1"; shift
  YES="$1"; shift
  NO="$1"; shift
  eval "$VAR=\${$VAR:-$DEF}"
  eval "enable_$VAR=\"$NO\""
  eval "[ \"\$$VAR\" = \"yes\" ] && enable_$VAR=\"$YES\""
}
# set "enable_$VAR" variables
#      ENV VAR      DEFAULT  IF YES                   IF NO
# Filters
enable "FMONKEY"    "no"     "--with-filter-monkey"   ""
enable "FSTUB"      "no"     "--with-filter-stub"     ""
enable "FTRACE"     "no"     "--with-filter-trace"    ""
enable "FVOID"      "no"     "--with-filter-void"     ""
# Queues
enable "QNULL"      "no"     "--with-queue-null"      ""
enable "QPYTHON"    "no"     "--with-queue-python"    ""
enable "QRAM"       "no"     "--with-queue-ram"       ""
enable "QSTUB"      "no"     "--with-queue-stub"      ""
# Tables
enable "TLDAP"      "no"     "--with-table-ldap"      ""
enable "TMYSQL"     "yes"    "--with-table-mysql"     ""
enable "TPOSTGRES"  "no"     "--with-table-postgres"  ""
enable "TREDIS"     "no"     "--with-table-redis"     ""
enable "TSOCKETMAP" "no"     "--with-table-socketmap" ""
enable "TPASSWORD"  "yes"    "--with-table-passwd"    ""
enable "TPYTHON"    "no"     "--with-table-python"    ""
enable "TSQLITE"    "yes"    "--with-table-sqlite"    ""
enable "TSTUB"      "no"     "--with-table-stub"      ""
# Stats
enable "STATS"      "no"     "--with-tool-stats"      ""
# Schedulers
enable "SRAM"       "no"     "--with-scheduler-ram"    ""
enable "SSTUB"      "no"     "--with-scheduler-stub"   ""
enable "SPYTHON"    "no"     "--with-scheduler-python" ""

set -e

rm -rf        $PKG
mkdir -p $TMP $PKG $OUTPUT

cd $TMP
rm -rf             $SRCNAM-$VERSION
tar xvf       $CWD/$SRCNAM-$VERSION.tar.gz
cd                 $SRCNAM-$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 {} \;

sh bootstrap

CFLAGS="$SLKCFLAGS -D_DEFAULT_SOURCE" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc/opensmtpd \
  --localstatedir=/var \
  --mandir=/usr/man \
  --with-mantype=doc \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --without-rpath \
  --with-user-smtpd=smtpd \
  --with-libssl=/usr/lib64/openssl-1.0/ \
  $enable_FMONKEY \
  $enable_FSTUB \
  $enable_FTRACE \
  $enable_FVOID \
  $enable_QNULL \
  $enable_QPYTHON \
  $enable_QRAM \
  $enable_QSTUB \
  $enable_TLDAP \
  $enable_TMYSQL \
  $enable_TPOSTGRES \
  $enable_TREDIS \
  $enable_TSOCKETMAP \
  $enable_TPASSWORD \
  $enable_TPYTHON \
  $enable_TSQLITE \
  $enable_TSTUB \
  $enable_STATS \
  $enable_SRAM \
  $enable_SSTUB \
  $enable_SPYTHON \
  --build=$ARCH-slackware-linux

make
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

# MySQL and Postgres man pages aren't installed by the build, but they are still relevant
# We add them here if required.
[ "$TMYSQL" = "yes" ] && MAN=1
[ "$TPOSTGRES" = "yes" ] && MAN=1
if [ "$MAN" = "1" ]; then
	mkdir -p $PKG/usr/man/man5
	[ "$TMYSQL" = "yes" ] && install -D -m 0644 extras/tables/table-mysql/table-mysql.5 \
									 $PKG/usr/man/man5/table-mysql.5
	[ "$TPOSTGRES" = "yes" ] && install -D -m 0644 extras/tables/table-postgres/table-postgres.5 \
										$PKG/usr/man/man5/table-postgres.5
fi
# There might not be any man pages, depending on activated backends.
# We wouldn't want to fail for such a petty reason, wouldn't we?
if [ -d $PKG/usr/man ]; then
	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
fi
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README.md $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README             > $PKG/usr/doc/$PRGNAM-$VERSION/README
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

cd $PKG
/sbin/makepkg -l y -p -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE