#!/bin/sh

# Slackware build script for ntop

# Copyright 2007-2008  Michiel van Wessem, Manchester, United Kingdom
# 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.

# Copyright 2009 (ntop version >= 3.3.10) Niels Horn <niels.horn@gmail.com>

PRGNAM=ntop
VERSION=3.3.10
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

NTOPUSER=${NTOPUSER:-ntop}
NTOPGROUP=${NTOPGROUP:-ntop}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# Bail out if user or group isn't valid on your system
# For slackbuilds.org, assigned ntop uid/gid are 212/212
# See http://slackbuilds.org/uid_gid.txt
if ! grep ^$NTOPGROUP: /etc/group 2>&1 > /dev/null; then
    echo "  You must have a \"$NTOPGROUP\" group to run this script."
    echo "    # groupadd -g 212 $NTOPGROUP"
    exit 1
elif ! grep ^$NTOPUSER: /etc/passwd 2>&1 > /dev/null; then
    echo "  You must have a \"$NTOPUSER\" user to run this script."
    echo "    # useradd -u 212 -g $NTOPGROUP -d /var/lib/ntop -s /bin/false $NTOPUSER"
    exit 1
fi

if [ "$ARCH" = "i486" ]; then
    SLKCFLAGS="-O2 -march=i486 -mtune=i686"
    LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
    SLKCFLAGS="-O2 -march=i686 -mtune=i686"
    LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
    SLKCFLAGS="-O2 -fPIC"
    LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# The ntop configure / make routine automatically downloads & installs
# lua and GeoIP (even when already present on your machine), so we'll
# patch this to just warn & exit if the packages are not found.
patch -p1 < $CWD/no_downloads.patch

# Since ntop calls their ./configure from autogen.sh anything passed onto 
# autogen.sh (ie $@) is passed off as command line arguments to configure.
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./autogen.sh \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var/lib \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-tcpwrap \
  --enable-sslwatchdog \
  --enable-snmp \
  --enable-i18n \
  --build=$ARCH-slackware-linux
make
make install DESTDIR=$PKG

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
)

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

# Bug in ntop source:: http://tinyurl.com/2wf7ou . This should at some point
# be dealt with upstream. For now fix this in $PKG :)
if [ -d $PKG/usr/lib${LIBDIRSUFFIX}/plugins ]; then
    rmdir -v $PKG/usr/lib${LIBDIRSUFFIX}/plugins
fi

mkdir -p $PKG/etc/logrotate.d $PKG/etc/rc.d 
install -m 0644 $CWD/$PRGNAM.logrotate $PKG/etc/logrotate.d/$PRGNAM.new
sed -e "s%@NTOPUSER@%$NTOPUSER%" -e "s%@NTOPGROUP@%$NTOPGROUP%" \
  $CWD/rc.ntop > $PKG/etc/rc.d/rc.ntop.new
chmod 0755 $PKG/etc/rc.d/rc.ntop.new

# Change the permissions on ntops homedir so we can write logs 
chown -R $NTOPUSER:$NTOPGROUP $PKG/var/lib/$PRGNAM

# Copy *all* documentation over (docs/ is not included in make install for 
# some arkane reason. Rename some docs to prevent them copying over each other.
for FILE in {README,INSTALL}; do mv docs/$FILE docs/$FILE.docs ; done
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS CONTENTS COPYING ChangeLog INSTALL MANIFESTO NEWS PORTING \
  README SUPPORT_NTOP.txt THANKS ntop.html ntop.txt docs/* NetFlow www \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE 

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

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