#!/bin/bash

# Slackware build script for virtualbox-ose

# Copyright 2008-2021 Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2008 Mauro Giachero <mauro.giachero@gmail.com>
# 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=virtualbox
SRCNAM=VirtualBox
VERSION=${VERSION:-6.1.22}
BUILD=${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}

# kmk doesn't support MAKEFLAGS, so we use JOBS here
JOBS=${JOBS:-3}

# Define Variable Names
gui=""

# Check for vboxusers group here
if ! grep ^vboxusers: /etc/group 2>&1 > /dev/null; then
  echo "  You must have a vboxusers group to run this script."
  echo "    # groupadd -g 215 vboxusers"
  exit 1
fi

# Enable Hardening - Defaulting to yes as requested by upstream
if [ "${HARDENING:-yes}" = "yes" ]; then
  harden="--enable-hardening"
else
  harden="--disable-hardening"
fi

# Support for the Qt & SDL frontends
if [ "${HEADLESS:-no}" = "no" ]; then
  guiapp="VirtualBox VirtualBoxVM VBoxSDL"
  suidgui="VirtualBoxVM VBoxSDL"
else
  gui+=" --build-headless"
  guiapp=""
  suidgui=""
fi

# Enable building of java bindings
if [ "${JAVA:-no}" = "no" ]; then
  java="--disable-java"
else
  java=""
fi

if [ "${WEBSERVICE:-no}" = "no" ]; then
    web_service=""
    vboxwebsrv=""
else
    web_service="--enable-webservice"
    vboxwebsrv="vboxwebsrv"
    if ! grep ^vboxweb: /etc/passwd 2>&1 > /dev/null; then
      echo "  You must have a vboxweb user to run this script."
      echo "    # useradd -u 240 -g 215 -d /var/lib/vboxweb vboxweb"
      exit 1
    fi
fi

if [ "${SOFTWARE_VIRTUALIZATION:-no}" = "no" -a "$ARCH" = "x86_64" ]; then
    sw_virt="--disable-vmmraw"
else
    sw_virt=""
fi

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
  BUILDDIR="x86"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
  BUILDDIR="x86"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  BUILDDIR="amd64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-${VERSION}
tar xvf $CWD/$SRCNAM-${VERSION}.tar.bz2
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 {} \;

GROUP="vboxusers"
MODE="755"

# We don't want an init-script building kernel modules.
# Use virtualbox-kernel.SlackBuild for this.
patch -d src/VBox/Installer/linux -i $CWD/vboxdrv.sh-setup.diff

# Fix wrong path to rdesktop-vrdp-keymaps
patch -p1 -i $CWD/006-rdesktop-vrdp-keymap-path.patch

# Remove gcc version check
sed -i 's/^check_gcc$/#check_gcc/' ./configure

# Use our CFLAGS
sed -i "s|CXX_FLAGS=\"\"|CXX_FLAGS=\"$SLKCFLAGS -std=c++11\"|" ./configure

./configure \
  --disable-kmods \
  --enable-vde \
  --enable-vnc \
  --with-makeself=/usr/bin/echo \
  $web_service \
  $harden \
  $gui \
  $sw_virt \
  $java

. ./env.sh

cp $CWD/LocalConfig.kmk .
sed -i "s|LIBDIR|lib$LIBDIRSUFFIX|" ./LocalConfig.kmk
sed -i "s|CXXFLAGS|$SLKCFLAGS -std=c++11|" ./LocalConfig.kmk

kmk -j ${JOBS} LOCALCFG=./LocalConfig.kmk

mkdir -p $PKG/usr/{lib$LIBDIRSUFFIX,share,include}/virtualbox \
  $PKG/usr/{bin,src} \
  $PKG/usr/share/{pixmaps,mime/packages} \
  $PKG/etc/{default,rc.d,vbox}

for i in vboxdrv.sh vboxballoonctrl-service.sh vboxautostart-service.sh; do
  SCRIPT=$(echo $i | cut -d "." -f 1)
  cp -f src/VBox/Installer/linux/$i $PKG/etc/rc.d/rc.$SCRIPT.new
  sed -i "s/%PACKAGE%/virtualbox/g" $PKG/etc/rc.d/rc.$SCRIPT.new
  sed -i "s/%NOLSB%/yes/" $PKG/etc/rc.d/rc.$SCRIPT.new
  sed -i "s/%DEBIAN%/no/" $PKG/etc/rc.d/rc.$SCRIPT.new
  sed -i "s/%GROUP%/vboxusers/" $PKG/etc/rc.d/rc.$SCRIPT.new
  sed -i "s/\[ -z \"\$DEBIAN\"/#\[ -z \"\$DEBIAN\"/" $PKG/etc/rc.d/rc.$SCRIPT.new
done

cp -f $CWD/vbox.cfg $PKG/etc/vbox/vbox.cfg.new
sed -i "s|LIBDIR|lib$LIBDIRSUFFIX|" $PKG/etc/vbox/vbox.cfg.new
cp -f $CWD/virtualbox.default $PKG/etc/default/virtualbox.new

cd out/linux.$BUILDDIR/release/bin/
  rm -f vboxdrv.ko
  mv src $PKG/usr/src/virtualbox-kernel-$VERSION

  if [ "${HEADLESS:-no}" = "no" ]; then
    mkdir -p $PKG/usr/share/applications
    mv virtualbox.desktop $PKG/usr/share/applications/
    sed -i "s|/opt/VirtualBox|/usr/share/virtualbox|" \
      $PKG/usr/share/applications/virtualbox.desktop
    mv nls* *.tar.bz2 $PKG/usr/share/virtualbox/
  fi
  mv VBox.png $PKG/usr/share/pixmaps/

  cd icons
    for i in *; do
      install -d $PKG/usr/share/icons/hicolor/$i/mimetypes
      mv $i/* $PKG/usr/share/icons/hicolor/$i/mimetypes
    done
  cd -
  rm -rf icons

  mv virtualbox.xml $PKG/usr/share/mime/packages

  export VBOX_INSTALL_PATH=/usr/lib$LIBDIRSUFFIX/virtualbox
  cd sdk/installer
    python ./vboxapisetup.py install --prefix "/usr" --root $PKG
  cd -
  rm -rf sdk/installer

  mv sdk $PKG/usr/share/virtualbox/
  install -m $MODE -g $GROUP VBoxSysInfo.sh $PKG/usr/share/virtualbox/
  install -m $MODE -g $GROUP VBoxCreateUSBNode.sh $PKG/usr/share/virtualbox/
  install -m $MODE -g $GROUP VBoxTunctl $PKG/usr/bin/
  rm -f VBoxSysInfo.sh VBoxCreateUSBNode.sh VBoxTunctl
  mv * $PKG/usr/lib$LIBDIRSUFFIX/virtualbox/
  chown -R root:$GROUP $PKG/usr/lib$LIBDIRSUFFIX/virtualbox/
  chmod -R $MODE $PKG/usr/lib$LIBDIRSUFFIX/virtualbox/
  mv $PKG/usr/lib$LIBDIRSUFFIX/virtualbox/VBox.sh $PKG/usr/lib$LIBDIRSUFFIX/virtualbox/VBox
cd $TMP/$SRCNAM-${VERSION}

for i in VBoxManage VBoxHeadless VBoxVRDP VBoxBalloonCtrl VBoxBugReport \
  VBoxAutostart $guiapp $vboxwebsrv; do
  ln -s /usr/lib$LIBDIRSUFFIX/virtualbox/VBox $PKG/usr/bin/$i
done

if [ "${HEADLESS:-no}" = "no" ]; then
  for i in virtualbox vboxsdl; do
    ln -s /usr/lib$LIBDIRSUFFIX/virtualbox/VBox $PKG/usr/bin/$i
  done
fi

ln -s /usr/lib$LIBDIRSUFFIX/virtualbox/vbox-img $PKG/usr/bin/
ln -s /usr/lib$LIBDIRSUFFIX/virtualbox/vboximg-mount $PKG/usr/bin/

if [ "$vboxwebsrv" = "vboxwebsrv" ]; then
  mkdir -p $PKG/var/{lib,log}/vboxweb
  chown vboxweb:vboxusers $PKG/var/{lib,log}/vboxweb
  cp -f src/VBox/Installer/linux/vboxweb-service.sh $PKG/etc/rc.d/rc.vboxweb-service.new
  sed -i "s/%PACKAGE%/virtualbox/g" $PKG/etc/rc.d/rc.vboxweb-service.new
  sed -i "s/%NOLSB%/yes/" $PKG/etc/rc.d/rc.vboxweb-service.new
  sed -i "s/%DEBIAN%/no/" $PKG/etc/rc.d/rc.vboxweb-service.new
  sed -i "s/\[ -z \"\$DEBIAN\"/#\[ -z \"\$DEBIAN\"/" $PKG/etc/rc.d/rc.vboxweb-service.new
fi

if [ "$harden" = "--enable-hardening" ]; then
  for i in VBoxHeadless $suidgui VBoxNetDHCP VBoxNetAdpCtl VBoxNetNAT; do
    chmod 4711 $PKG/usr/lib$LIBDIRSUFFIX/virtualbox/$i
  done
fi

# install headers. Needed by some third party tools
cp -rf include/* $PKG/usr/include/virtualbox/
rm -f $PKG/usr/include/virtualbox/Makefile.kmk
find $PKG/usr/include/virtualbox -name "Makefile.kup" -print0 | xargs -0 rm -f

cp -f $CWD/VBoxGuestAdditions_$VERSION.iso \
  $PKG/usr/share/virtualbox/VBoxGuestAdditions.iso

cp -f $CWD/UserManual.pdf \
  $PKG/usr/share/virtualbox/UserManual.pdf

cp -f $CWD/SDKRef.pdf \
  $PKG/usr/share/virtualbox/SDKRef.pdf

# install profile.d scripts for 3rd party apps
mkdir -p $PKG/etc/profile.d/
cat << EOF > $PKG/etc/profile.d/vbox.csh
#!/bin/csh
setenv VBOX_PROGRAM_PATH /usr/lib${LIBDIRSUFFIX}/virtualbox/
setenv VBOX_SDK_PATH /usr/share/virtualbox/sdk/
EOF
cat << EOF > $PKG/etc/profile.d/vbox.sh
#!/bin/sh
export VBOX_PROGRAM_PATH=/usr/lib${LIBDIRSUFFIX}/virtualbox/
export VBOX_SDK_PATH=/usr/share/virtualbox/sdk/
EOF
chmod 0755 $PKG/etc/profile.d/*

# setup udev rules for vboxdrv and USB device support
mkdir -p $PKG/lib/udev/rules.d
install -m 644 $CWD/10-virtualbox.rules $PKG/lib/udev/rules.d/

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -f COPYING COPYING.CDDL $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

if [ "$vboxwebsrv" = "vboxwebsrv" ]; then
  echo "preserve_perms etc/rc.d/rc.vboxweb-service.new" >> $PKG/install/doinst.sh
fi

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}