#!/bin/bash

# Copyright 2004-2008 Eric Hameleers, Eindhoven, NL
# Copyright 2008-2021  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.

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

PKGNAM=wpa_supplicant
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2_slack14.0}

SRCVERSION=$(printf $VERSION | tr _ -)

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "arm" ]; then
  SLKCFLAGS="-O2 -march=armv4 -mtune=xscale"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "armel" ]; then
  SLKCFLAGS="-O2 -march=armv4t"
  LIBDIRSUFFIX=""
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf ${PKGNAM}-${SRCVERSION}
tar xvf $CWD/${PKGNAM}-${SRCVERSION}.tar.?z* || exit 1
cd ${PKGNAM}-${SRCVERSION}
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

zcat $CWD/patches/wpa_supplicant-flush-debug-output.patch.gz | patch -p1 --verbose || exit 1
# Not for Slackware 14.2 or earlier:
#zcat $CWD/patches/wpa_supplicant-gui-qt4.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/wpa_supplicant-quiet-scan-results-message.patch.gz | patch -p1 --verbose || exit 1

# Security fixes for CVE-2021-0326 CVE-2021-0535 CVE-2020-12695 CVE-2019-16275 CVE-2021-27803 CVE-2021-30004 CVE-2022-23303 CVE-2022-23304
zcat $CWD/patches/0001-AP-Silently-ignore-management-frame-from-unexpected-.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0001-WPS-UPnP-Do-not-allow-event-subscriptions-with-URLs-.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0003-WPS-UPnP-Handle-HTTP-initiation-failures-for-events-.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0001-P2P-Fix-copying-of-secondary-device-types-for-P2P-gr.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/a0541334a6394f8237a4393b7372693cd7e96f15.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/8ca330bd709bf7c000dfda5b1edbc0cbeabb8b55.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0001-crypto-Add-more-bignum-EC-helper-functions.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0002-dragonfly-Add-sqrt-helper-function.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0003-SAE-Derive-the-y-coordinate-for-PWE-with-own-impleme.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/patches/0004-EAP-pwd-Derive-the-y-coordinate-for-PWE-with-own-imp.patch.gz | patch -p1 --verbose || exit 1

## This patch is not applicable to systems running OpenSSL before 1.1.1:
## Allow legacy tls to avoid breaking WPA2-Enterprise:
#zcat $CWD/patches/allow-tlsv1.patch.gz | patch -p1 --verbose || exit 1

# Fixes required to compile on Slackware 14.0 and 14.1:
zcat $CWD/patches/gcc4.diff.gz | patch -p1 -l --verbose || exit 1
zcat $CWD/patches/openssl1.0.diff.gz | patch -p1 -l --verbose || exit 1

cd wpa_supplicant

# Create the configuration file for building wpa_supplicant:
cat $CWD/config/dot.config > .config

# Build the usual binaries
CFLAGS="$SLKCFLAGS" \
make $NUMJOBS \
  BINDIR=/usr/sbin \
  LIBDIR=/usr/lib${LIBDIRSUFFIX} || exit 1

# Build the Qt4 GUI client
CFLAGS="$SLKCFLAGS" \
make $NUMJOBS \
  wpa_gui-qt4 \
  BINDIR=/usr/sbin \
  LIBDIR=/usr/lib${LIBDIRSUFFIX} || exit 1

# Make sure man pages are built
make -C doc/docbook man

# This goes into the doc directory later on:
mv wpa_supplicant.conf wpa_supplicant.conf.sample

# Install binaries:
mkdir -p $PKG/usr/sbin $PKG/usr/bin
cp wpa_supplicant wpa_passphrase wpa_cli $PKG/usr/sbin/
cp wpa_gui-qt4/wpa_gui $PKG/usr/bin/

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Install dbus configuration file:
mkdir -p $PKG/etc/dbus-1/system.d/
cp dbus/dbus-wpa_supplicant.conf \
  $PKG/etc/dbus-1/system.d/dbus-wpa_supplicant.conf

mkdir -p $PKG/usr/share/dbus-1/system-services
install -m644 dbus/*.service $PKG/usr/share/dbus-1/system-services/

# Install a .desktop file and icon for wpa_gui:
# (converted from the wpa_gui.svg in the source)
mkdir -p $PKG/usr/share/{applications,pixmaps}
cat $CWD/config/wpa_gui.desktop > $PKG/usr/share/applications/wpa_gui.desktop
cat $CWD/config/wpa_gui.png > $PKG/usr/share/pixmaps/wpa_gui.png

# Install a logrotate config
mkdir -p $PKG/etc/logrotate.d
cat $CWD/config/wpa_supplicant.logrotate > $PKG/etc/logrotate.d/wpa_supplicant.new

# Install man pages:
for m in 5 8; do
  mkdir -p $PKG/usr/man/man${m}
  cp doc/docbook/*.${m} $PKG/usr/man/man${m}/
done
find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \+

# Install a default configuration file (only readable by root):
mkdir -p $PKG/etc
cat $CWD/config/wpa_supplicant.conf > $PKG/etc/wpa_supplicant.conf.new
chmod 600 $PKG/etc/wpa_supplicant.conf.new

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  ChangeLog ../COPYING README README-{P2P,WPS} examples *.txt *.sample $CWD/README.slackware \
  $PKG/usr/doc/$PKGNAM-$VERSION
chown -R root:root $PKG/usr/doc/$PKGNAM-$VERSION/*
chmod -R a-w $PKG/usr/doc/$PKGNAM-$VERSION/*

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/${PKGNAM}-${VERSION}-${ARCH}-${BUILD}.txz