#!/bin/sh
 
# Copyright 2010  Vincent Batts, vbatts@hashbangbash.com
# Copyright 2010, 2011  Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Heavily modified by Willy Sudiarto Raharjo for CSB project
# Copyright 2014 Willy Sudiarto Raharjo <willysr@slackware-id.org>
#
# 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.

# Included in Slint by Didier Spaier <didier~at~slint~dot~fr>

SRCNAM=Linux-PAM
PRGNAM=pam
VERSION=1.2.1
BUILD=1
TAG=slint
NUMJOBS=${NUMJOBS:--j7}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
WRK=$CWD
PKG=$WRK/package-$PRGNAM
OUTPUT=$CWD

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -pipe -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -pipe -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -m64 -pipe -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

unset DOWNLOAD
eval `cat $PRGNAM.info | grep "DOWNLOAD="`
if [ ! -e $(basename $DOWNLOAD) ]; then
  echo "Downloading: $DOWNLOAD"
  rm -f $PRGNAM-$VERSION.tar.*
  curl -OLJ -C - $DOWNLOAD
fi

rm -rf $PKG
mkdir -p $WRK $PKG $OUTPUT
cd $WRK
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.?z*
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 {} \;

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/ \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --includedir=/usr/include/security \
  --datarootdir=/usr/share \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-read-both-confs \
  --disable-prelude \
  --disable-selinux \
  --build=$ARCH-slackware-linux

make $NUMJOBS
make install DESTDIR=$PKG

# this is a pam helper, that can only be called from pam
chown root:shadow $PKG/sbin/unix_chkpwd
chmod g+s $PKG/sbin/unix_chkpwd

# Add default pam.d config
mkdir -p $PKG/etc/pam.d
cp $CWD/pam.d/* $PKG/etc/pam.d/
chown -R root:root $PKG/etc/pam.d
chmod 644 $PKG/etc/pam.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

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS COPYING* Copyright NEWS README* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
rm -f $PKG/usr/doc/$PRGNAM-$VERSION/index.html

# fix some missing symlinks from old pam for compatibility
cd $PKG/usr/lib${LIBDIRSUFFIX}/security
ln -s pam_unix.so pam_unix_acct.so
ln -s pam_unix.so pam_unix_auth.so
ln -s pam_unix.so pam_unix_passwd.so
ln -s pam_unix.so pam_unix_session.so

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

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