#!/bin/bash

# shadow.SlackBuild
#
# Copyright 2005-2010  Patrick J. Volkerding, Sebeka, Minnesota, 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:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

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

# Determine the CFLAGS for the known architectures:
case $ARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv5te"
            export LIBDIRSUFFIX="" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.xz
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Apply some patches taken from the svn trunk that
# fix some of the more serious bugs in 4.1.4.3:
for patch in $CWD/patches/*.diff.gz ; do
  zcat $patch | patch -p0 --verbose || exit 1
done

# Relax the restrictions on "su -c" when it is used to become root.
# It's not likely that root is going to try to inject commands back into
# the user's shell to hack it, and the unnecessary restriction is causing
# breakage:
zcat $CWD/shadow.CVE-2005-4890.relax.diff.gz | patch -p1 --verbose || exit 1

# Configure:
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --disable-shared \
   --sysconfdir=/etc \
   --mandir=/usr/man \
   --docdir=/usr/doc/shadow-$VERSION \
   --disable-shared \
   --enable-subordinate-ids \
   --without-libcrack \
   --build=$ARCH-slackware-linux-gnueabi || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package framework:
make install DESTDIR=$PKG || failinstall

# Fix user group = 100:
zcat $CWD/useradd.gz > $PKG/etc/default/useradd

# /bin/groups is provided by coreutils.
rm -f $PKG/bin/groups
find $PKG -name groups.1 -exec rm {} \;

# Install a login.defs with unsurprising defaults:
rm -f $PKG/etc/login.defs
zcat $CWD/login.defs.gz > $PKG/etc/login.defs.new

mv -fv $PKG/etc/login.access $PKG/etc/login.access.new

# I don't think this works well enough to recommend it.
#mv $PKG/etc/limits $PKG/etc/limits.new
rm -f $PKG/etc/limits

# Add the friendly 'adduser' script:
cat $CWD/adduser > $PKG/usr/sbin/adduser
chmod 0755 $PKG/usr/sbin/adduser

# Add sulogin to the package:
cp -a src/sulogin $PKG/sbin
( cd $PKG/bin ; ln -s ../sbin/sulogin )

# Add the empty faillog log file:
mkdir -p $PKG/var/log
touch $PKG/var/log/faillog.new

# Put some stuff back in "old" locations and make symlinks for compat
( cd $PKG/usr/bin
  mv faillog ../sbin
  mv lastlog ../sbin
  ln -s ../sbin/faillog
  ln -s ../sbin/lastlog
)

# Fixup a few permissions:
# Use 4711 rather than 4755 permissions where setuid root is required:
find $PKG -type f -perm 4755 -exec chmod 4711 "{}" \;

# Copy docs:
mkdir -p $PKG/usr/doc/shadow-$VERSION
cp -a \
  COPYING* NEWS README* TODO doc/{README*,HOWTO,WISHLIST,*.txt} \
  $PKG/usr/doc/shadow-$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
slackgzpages -i # compress man & info pages and delete usr/info/dir
slack644docs    # set doc file permissions to 644
#slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
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