#!/bin/bash

# Slackware build script for coturn

# Copyright 2020 Thomas Bourdon <thomas dot bourdon at halpanet dot org>
# 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.

# Special thanks to Thomas Morper for some configuration adjustments tips
# Modified by slackbuilds.org 2020-04-17 16:08:20 +0100

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

PRGNAM=coturn
VERSION=${VERSION:-4.6.2}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

TURN_USER=${TURN_USER:-turnserver}
TURN_GROUP=${TURN_GROUP:-turnserver}

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

if ! grep -q ^$TURN_GROUP: /etc/group 2>/dev/null ; then
        echo "    Error: TURN group ($TURN_GROUP) doesn't exist."
        echo "    Try creating one with: groupadd -g 366 $TURN_GROUP"
        exit 1
fi

if ! grep -q ^$TURN_USER: /etc/passwd 2>/dev/null ; then
        echo "    Error: TURN user ($TURN_USER) doesn't exist."
        echo "    Try creating one with: useradd -u 366 -g $TURN_GROUP -d /var/lib/turn -s /bin/bash $TURN_USER"
        exit 1
fi

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=""
   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 -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 {} \;

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --examplesdir=/usr/share/turnserver/examples \
  --disable-rpath \
  --build=$ARCH-slackware-linux || exit 1

make
make install DESTDIR=$PKG

sed 's%/usr/local%/usr/share/turnserver/examples%' $PKG/etc/turnserver.conf.default > $PKG/etc/turnserver.conf.new
rm -f $PKG/etc/turnserver.conf.default
cp -a examples/ca $PKG/usr/share/turnserver/examples

mkdir -p $PKG/etc/{rc.d,logrotate.d}
cat $CWD/rc.turnserver > $PKG/etc/rc.d/rc.turnserver.new
cat $CWD/logrotate.turnserver > $PKG/etc/logrotate.d/turnserver.new

mkdir -p $PKG/var/log/turnserver
chown $TURN_USER:$TURN_GROUP $PKG/var/log/turnserver

# Populating /etc/default/turnserver.new
mkdir -p $PKG/etc/default
cat << EOF > $PKG/etc/default/turnserver.new
TURN_USER=$TURN_USER
TURN_GROUP=$TURN_GROUP
TURN_PID_PATH=/var/run/turnserver
EOF

rm -rf $PKG/usr/lib${LIBDIRSUFFIX}

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 {} \;

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a ChangeLog LICENSE* README* \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

find $PKG/{usr/doc,usr/man,usr/share,usr/include,etc,var} -type f -exec chmod -x {} +

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