#!/bin/sh
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi
PKG=$TMP/package-ppp

if [ ! -d $TMP ]; then
  mkdir -p $TMP # location to build the source
fi
if [ ! -d $PKG ]; then
  mkdir -p $PKG # place for the package to be built
fi

# Explode the package framework:
cd $PKG
explodepkg $CWD/_ppp.tar.gz

echo "+============+"
echo "| ppp-2.2.0f |"
echo "+============+"
cd $TMP
tar xzvf $CWD/ppp-2.2.0f.tar.gz
cd ppp-2.2.0f
zcat $CWD/ppp_2.2.0f-23.diff.gz | patch -p1
( cd pppd ; zcat $CWD/ppp_2.2.0f-slack1.diff.gz | patch )
./configure
cat debian/options > $PKG/etc/ppp/options.dist
cd pppd
make HAS_SHADOW=1 HAS_PWAUTH=1
strip pppd
cat pppd > $PKG/usr/sbin/pppd-2.2
cat pppd.8 | gzip -9c > $PKG/usr/man/man8/pppd-2.2.8.gz
# This only works when compiled against Linux 2.0.x, so we insert
# a correctly compiled binary:
( cd $PKG ; tar xzvf $CWD/pppd-2.2.bin.tar.gz )

echo "+===========+"
echo "| ppp-2.3.7 |"
echo "+===========+"
cd $TMP
tar xzvf $CWD/ppp-2.3.7.tar.gz
cd ppp-2.3.7
# Add callback support:
zcat $CWD/ppp-cbcp.diff.gz | patch
mkdir -p $PKG/usr/doc/ppp-2.3.7
cp -a FAQ README* SETUP scripts $PKG/usr/doc/ppp-2.3.7
chown -R root.root $PKG/usr/doc/ppp-2.3.7
( cd linux ; ./kinstall.sh )
./configure
# I don't think 2.3.7 has any support for MD5 shadow passwords, so use the
# older version if you need that.  The primary benefit of pppd-2.3 is support
# for demand dialing.
make HAS_SHADOW=1
cd pppd
strip pppd
cat pppd > $PKG/usr/sbin/pppd-2.3
cat pppd.8 | gzip -9c > $PKG/usr/man/man8/pppd.2.3.8.gz
cd ../chat
strip chat
cat chat > $PKG/usr/sbin/chat
cat chat.8 | gzip -9c > $PKG/usr/man/man8/chat.8.gz
cd ../pppstats
strip pppstats
cat pppstats > $PKG/usr/sbin/pppstats
cat pppstats.8 | gzip -9c > $PKG/usr/man/man8/pppstats.8.gz

echo "+===============+"
echo "| pppsetup-1.98 |"
echo "+===============+"
cd $TMP
tar xzvf $CWD/pppsetup-1.98.tar.gz
cd pppsetup-1.98
zcat $CWD/pppsetup-1.98.slack.diff.gz | patch
chown root.bin ppp-off pppsetup
chmod 755 ppp-off pppsetup
cp -a ppp-off pppsetup $PKG/usr/sbin
mkdir $PKG/usr/doc/pppsetup
cp -a README.pppsetup ppp-compile.txt pppsetup-1.98.README pppsetup-1.98.lsm $PKG/usr/doc/pppsetup

# Build the package:
cd $PKG
tar czvf $TMP/ppp.tgz .

# Warn of zero-length files:
for file in `find . -type f -print` ; do
 if [ "`filesize $file`" = "0" ]; then
  echo "WARNING: zero length file $file"
 fi
 if [ "`filesize $file`" = "20" ]; then
  echo "WARNING: possible empty gzipped file $file"
 fi
done

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/ppp-2.2.0f
  rm -rf $TMP/ppp-2.3.7
  rm -rf $TMP/pppsetup-1.98
  rm -rf $PKG
fi