#!/bin/bash
#  Copyright (C) 2010-2011  Matias A. Fonzo, <selk@dragora.org>
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

set -e

CWD=$(pwd)

TMP=${TMP:-/tmp/sources}
OUT=${OUT:-/tmp/packages}

V=0.7.3
ARCH=${ARCH:-x86_64}
B=2

# Flags for the compiler:
DCFLAGS=${DCFLAGS:=-O2 -mtune=generic}

PKG=${TMP}/package-wpa_supplicant

rm -rf $PKG
mkdir -p $PKG $OUT

echo "Uncompressing the tarball..."
rm -rf ${TMP}/wpa_supplicant-${V}
lzip -cd ${CWD}/wpa_supplicant-${V}.tar.lz | tar -xvf - -C $TMP

cd ${TMP}/wpa_supplicant-${V}

# Set sane ownerships and permissions:
chown -R 0:0 .
find . \
 \( -perm 2777 -o \
    -perm 777  -o \
    -perm 775  -o \
    -perm 711  -o \
    -perm 555  -o \
    -perm 511     \
 \) -exec chmod 755 {} + \
  -o \
 \( -perm 666 -o \
    -perm 664 -o \
    -perm 600 -o \
    -perm 444 -o \
    -perm 440 -o \
    -perm 400    \
 \) -exec chmod 644 {} +

cd wpa_supplicant

# Fix usr path:
sed -i 's#/usr/local#/usr#' Makefile

cat ${CWD}/config > .config
export CFLAGS="$DCFLAGS"
make
make install PREFIX=/usr DESTDIR=$PKG

# Add configuration files:
install -m 644 wpa_supplicant.conf -D \
 ${PKG}/etc/wpa_supplicant.conf-sample

# Use the USERID instead of the name of the super user "root":
sed -i 's@user="root"@user="0"@g' dbus/dbus-wpa_supplicant.conf
install -m 644 dbus/dbus-wpa_supplicant.conf \
 -D ${PKG}/etc/dbus-1/system.d/dbus-wpa_supplicant.conf.new

# Add the dbus-services:
mkdir -p ${PKG}/usr/share/dbus-1/system-services

cat ${CWD}/dbus-services/fi.epitest.hostap.WPASupplicant.service \
 > ${PKG}/usr/share/dbus-1/system-services/fi.epitest.hostap.WPASupplicant.service

cat ${CWD}/dbus-services/fi.w1.wpa_supplicant1.service \
 > ${PKG}/usr/share/dbus-1/system-services/fi.w1.wpa_supplicant1.service

# Increments a little the security:
find ${PKG}/usr/sbin -type f | xargs chmod -v 750

# Strip binaries & libraries:
( cd $PKG
  find . -type f | xargs file | awk '/ELF/ && /executable/ || /shared object/' | \
   cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Add missing manpages:
( mkdir -p ${PKG}/usr/man/man{8,5}
  cd doc/docbook
  for page in *.8 ; do
    gzip -9Nc < $page > ${PKG}/usr/man/man8/${page}.gz
  done
  rm -f ${PKG}/usr/man/man8/wpa_gui.8.gz
  gzip -9Nc < wpa_supplicant.conf.5 \
   > ${PKG}/usr/man/man5/wpa_supplicant.conf.5.gz
)

# Add the documentation:
mkdir -p ${PKG}/usr/doc/wpa_supplicant-${V}
cp -a \
 README README-WPS ../COPYING examples/ \
 ${PKG}/usr/doc/wpa_supplicant-${V}

# Copy the description files:
mkdir -p ${PKG}/description
cp ${CWD}/description/* ${PKG}/description

# Add the post-install script:
mkdir -p ${PKG}/install
zcat ${CWD}/post-install.gz > ${PKG}/install/post-install

cd $PKG
makepkg -l ${OUT}/wpa_supplicant-${V}-${ARCH}-${B}.tlz