#!/bin/bash
#
# ELS script to build shadow-4.0.3.
#
# The shadow package is a security enhancement to the standard login,
# passwd and associated programs found in the util-linux package.
#
# For source code visit: ftp://ftp.pld-linux.org/software/shadow/
#
#
# This script is public domain software and may be freely copied.
#
# This script 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.
#
#
# Define the package name, source directory, build directory and
# staging directory paths.  Prefixes to directories may be overridden
# by setting shell variables SRC, BUILD and STAGING.  For example,
# doing "export SRC=/root/foo" before calling this script will override
# the default /usr/src and set SRC_DIR to /root/foo/$PKG_NAME instead.
#
PKG_NAME=$(basename $0)
SRC_DIR=${SRC:-/usr/src}/$PKG_NAME
BUILD_DIR=${BUILD:-/var/tmp/build}/$PKG_NAME
STAGING_DIR=${STAGING:-/var/tmp/staging}/$PKG_NAME

# Check that the source directory really exists and bail out if not.
if ! [ -d $SRC_DIR ]; then
  echo "$PKG_NAME: Cannot find source code directory $SRC_DIR."
  exit 1
fi

# Do not overwrite existing build directory.
if [ -d $BUILD_DIR ]; then
  echo "$PKG_NAME: Build directory $BUILD_DIR already exists."
  exit 2
else
  mkdir -p $BUILD_DIR
fi

# Do not overwrite existing staging directory.
if [ -d $STAGING_DIR ]; then
  echo "$PKG_NAME: Staging directory $STAGING_DIR already exists."
  exit 4
else
  mkdir -p $STAGING_DIR
fi

# The source code for xmalloc.c needs to be patched, otherwise the
# build will fail with the error, "conflicting types for malloc".
# So first make a copy of the source code and then patch it.
cp -dpR $SRC_DIR/* $BUILD_DIR
cd $BUILD_DIR
patch -p1 <<"END-OF-PATCH"
diff -ur shadow-4.0.3.orig/libmisc/xmalloc.c shadow-4.0.3/libmisc/xmalloc.c
--- shadow-4.0.3.orig/libmisc/xmalloc.c	1998-12-28 14:34:56.000000000 -0600
+++ shadow-4.0.3/libmisc/xmalloc.c	2008-05-09 21:10:40.000000000 -0500
@@ -16,7 +16,7 @@
 
 #include "defines.h"
 
-extern char *malloc();
+
 
 char *
 xmalloc(size_t size)
END-OF-PATCH

# Configure the package for FHS compliance and i586 processor.
export CC="gcc -march=i586"
./configure \
  --build=i586-pc-linux-gnu \
  --mandir=/usr/share/man \
  --prefix=/usr \
  --sysconfdir=/etc \
  --without-libcrack \
  --without-selinux

# Check return status and bail out if it's non-zero.
if [ $? -gt 0 ]; then
  echo "$PKG_NAME: Configuration failed!"
  exit 8
fi

# Build the package.
make

# Check return code and bail if it looks bad.
if [ $? -gt 0 ]; then
  echo "$PKG_NAME: Build failed!"
  exit 16
fi

# Install into staging area overriding make variables as needed.
make DESTDIR=$STAGING_DIR install

# Check return code and bail if it looks bad.
if [ $? -gt 0 ]; then
  echo "$PKG_NAME: Installation to staging area failed!"
  exit 32
fi

# Remove incorrect vipw symlink and create vigr symlink. 
rm $STAGING_DIR/bin/vipw
ln -s vipw $STAGING_DIR/usr/sbin/vigr

# Move some binaries to /usr hierarchy.  Anything that is not critical
# to system recovery does not need to be in the root hierarchy.
mv $STAGING_DIR/bin/groups $STAGING_DIR/usr/bin
mv $STAGING_DIR/bin/sg $STAGING_DIR/usr/bin

# Keep a copy of the license document.
install -D -o root -g root -m 644 $SRC_DIR/doc/LICENSE \
  $STAGING_DIR/usr/share/doc/$PKG_NAME/LICENSE

# Strip binaries and libraries and compress documentation.
strip $STAGING_DIR/bin/*
strip --strip-debug $STAGING_DIR/lib/*
strip $STAGING_DIR/usr/bin/*
strip $STAGING_DIR/usr/sbin/*
gzip -r $STAGING_DIR/usr/share/man
gzip -r $STAGING_DIR/usr/share/doc

# Create the package
if ! [ "$PKG_COMMAND" = "" ]; then
  export $PKG_NAME $STAGING_DIR
  $PKG_COMMAND
else
  cd $STAGING_DIR
  tar -zcf ../$PKG_NAME.i586.tar.gz *
fi

# end of blueprint