#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# xorg-server-xwayland.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2016, 2018, 2019  Patrick J. Volkerding, Sebeka, MN, USA
# 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Default font paths to be used by the X server:
DEF_FONTPATH="/usr/share/fonts/misc,/usr/share/fonts/local,/usr/share/fonts/TTF,/usr/share/fonts/OTF,/usr/share/fonts/Type1,/usr/share/fonts/CID,/usr/share/fonts/75dpi/:unscaled,/usr/share/fonts/100dpi/:unscaled,/usr/share/fonts/75dpi,/usr/share/fonts/100dpi,/usr/share/fonts/cyrillic"

# Extract source:
tar xvvf $CWD/xwayland-$VERSION.tar.!(*sign|*asc|*sig)
cd xwayland*/ || exit 1
slackhousekeeping

# Patches:
# Patch CVE-2022-2319 and CVE-2022-2320:
zcat $CWD/0001-f1070c01d616c5f21f939d5ebc533738779451ac.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/0002-dd8caf39e9e15d8f302e54045dd08d8ebf1025dc.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/0003-6907b6ea2b4ce949cb07271f5b678d5966d9df42.patch.gz | patch -p1 --verbose || exit 1

# Patch more security issues:
zcat $CWD/CVE-2022-3550.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2022-3551.patch.gz | patch -p1 --verbose || exit 1
# Patch more security issues:
zcat $CWD/CVE-2022-4283.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2022-46340.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2022-46341.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2022-46342.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2022-46343.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2022-46344.patch.gz | patch -p1 --verbose || exit 1

# Fix a bug in the previous patch:
zcat $CWD/CVE-2022-46340.correction.patch.gz | patch -p1 --verbose || exit 1

# Patch another security issue:
zcat $CWD/CVE-2023-0494.patch.gz | patch -p1 --verbose || exit 1

# Patch another security issue:
zcat $CWD/CVE-2023-1393.patch.gz | patch -p1 --verbose || exit 1

# [PATCH] present: Check for NULL to prevent crash.
# This prevents a crash with recent NVIDIA drivers.
zcat $CWD/857.patch.gz | patch -p1 --verbose || exit 1

# Patch another security issue:
zcat $CWD/CVE-2023-5367.patch.gz | patch -p1 --verbose || exit 1

# Patch more security issues:
zcat $CWD/CVE-2023-6377.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2023-6478.patch.gz | patch -p1 --verbose || exit 1

# Patch more security issues:
zcat $CWD/CVE-2023-6816.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-0229.01.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-0229.02.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-0229.03.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-0408.patch.gz | patch -p1 --verbose || exit 1
# The vulnerable code is not present in xwayland-21.1.4:
#zcat $CWD/CVE-2024-0409.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-21885.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-21886.01.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-21886.02.patch.gz | patch -p1 --verbose || exit 1

# Patch more security issues:
zcat $CWD/CVE-2024-31080.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-31081.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/CVE-2024-31083.patch.gz | patch -p1 --verbose || exit 1

zcat $CWD/CVE-2024-9632.patch.gz | patch -p1 --verbose || exit 1

# Configure:
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
mkdir meson-build
pushd meson-build
meson setup \
   --prefix=/usr \
   --libdir=lib${LIBDIRSUFFIX} \
   --libexecdir=/usr/libexec \
   --bindir=/usr/bin \
   --sbindir=/usr/sbin \
   --includedir=/usr/include \
   --datadir=/usr/share \
   --mandir=/usr/man \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --buildtype=release \
   -Dxwayland_eglstream=true \
   -Ddefault_font_path="${DEF_FONTPATH}" \
   -Dbuilder_string="Build ID: $PKGNAM $VERSION-$BUILD" \
   -Dxkb_output_dir=/var/lib/xkb \
   -Dvendor_name="Slackware Linux Project" \
   -Dxdmcp=false \
   -Dxcsecurity=true \
   -Dglamor=true \
   -Ddri3=true \
   .. || failconfig

# Build:
"${NINJA:=ninja}" $NUMJOBS || ${NINJA} || failmake

# Install into package:
DESTDIR=$PKG $NINJA install || failinstall
popd

# Remove unwanted files/dirs:
rm $PKG/usr/man/man1/Xserver.1*
rm -Rf $PKG/usr/lib${LIBDIRSUFFIX}/xorg
rm -Rf $PKG/usr/include/xorg
rm -Rf $PKG/usr/share/aclocal
rm -Rf $PKG/var/lib/xkb

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
  AUTHORS COPYING* CREDITS INSTALL NEWS README* \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall        # strip all .a archives and all ELFs
#slackstriprpaths     # strip rpaths
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i      # compress man & info pages and delete usr/info/dir
slackslack           # set standard Slackware file/dir permissions and ownerships
slackdesc            # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links