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#!/bin/bash
#
# slackbuild script for mod_fastcgi
#
# you'll need the following perl modules to run postgrey:
#
# cpan2tgz --install Net::Server IO::Multiplex BerkeleyDB Digest::SHA1
#

CWD="`pwd`"

if [ -f ~/.slackbuildrc ]; then
  source ~/.slackbuildrc
elif [ -f /etc/slackbuildrc ]; then
  source /etc/slackbuildrc
fi

# default settings
PACKAGE="postgrey"
VERSION=${VERSION:=1.27}
ARCH="noarch"
BUILD=${BUILD:=1rha}
TMP=${TMP:=/tmp}
SRC_DIR=${SRC:=$CWD}
REPOS=${REPOS:=$TMP}

RTOOL="wget"
PACKAGE_EXT="gz"
SRC="$PACKAGE-$VERSION.tar.$PACKAGE_EXT"
URL="http://isg.ee.ethz.ch/tools/postgrey/pub/$SRC"

if [ "$PACKAGE_EXT" == "bz2" ]; then
  tarflag="j"
else
  tarflag="z"
fi

SRC_DIR="$SRC_DIR/$PACKAGE"
mkdir -p $SRC_DIR

if [ "$RTOOL" == "wget" ] && [ ! -f "$SRC_DIR/$SRC" ]; then
  wget "$URL" -O "$SRC_DIR/$SRC"
fi

TMP="$TMP/$PACKAGE"
rm -rf $TMP
mkdir -p $TMP
cd $TMP

tar xvf$tarflag $SRC_DIR/$SRC
cd $PACKAGE-$VERSION

CWD="`pwd`"

mkdir -p $TMP/package-$PACKAGE/$PACKAGE
cd $TMP/package-$PACKAGE/$PACKAGE

mkdir -p usr/{sbin,bin}
mkdir -p etc/postfix

cp $CWD/postgrey usr/sbin
cp $CWD/postgrey_whitelist_clients etc/postfix/postgrey_whitelist_clients.new
cp $CWD/postgrey_whitelist_recipients etc/postfix/postgrey_whitelist_recipients.new
cp $CWD/contrib/postgreyreport usr/bin

chmod 755 usr/sbin/postgrey usr/bin/postgreyreport

mkdir install
cat << EOF > install/slack-desc
# HOW TO EDIT THIS FILE:
# The "handy ruler" below makes it easier to edit a package description.  Line
# up the first '|' above the ':' following the base package name, and the '|'
# on the right side marks the last column you can put a character in.  You must
# make exactly 11 lines for the formatting to be correct.  It's also
# customary to leave one space after the ':'.

        |-----handy-ruler-----------------------------------------------------|
postgrey: postgrey (Postfix Greylisting Policy Server)
postgrey:
postgrey: Postgrey is a Postfix policy server that implements greylisting. When
postgrey: a request for mail delivery is received by Postfix via SMTP, the
postgrey: triplet CLIENT_IP / SENDER / RECIPIENT is built. If it is the first
postgrey: time that this triplet is seen, or if the triplet was first seen less
postgrey: than 10 minutes ago, then the mail gets rejected with a temporary
postgrey: error. Hopefully, spammers or viruses will not try again later, even
postgrey: though such behavior is required per RFC.
postgrey:
postgrey:
EOF

# docs
mkdir -p usr/doc/$PACKAGE-$VERSION

for file in COPYING Changes README; do
  cp $CWD/$file* usr/doc/$PACKAGE-$VERSION/
done

# install script
echo '( if [ ! -f "etc/postfix/postgrey_whitelist_recipients" ]; then mv etc/postfix/postgrey_whitelist_recipients.new etc/postfix/postgrey_whitelist_recipients; fi )' > install/doinst.sh
echo '( if [ ! -f "etc/postfix/postgrey_whitelist_clients" ]; then mv etc/postfix/postgrey_whitelist_clients.new etc/postfix/postgrey_whitelist_clients; fi )' >> install/doinst.sh

makepkg -c y -l y $REPOS/$PACKAGE-$VERSION-$ARCH-$BUILD.tgz

if [ "$CLEANUP" == "yes" ]; then
  rm -rf $TMP
fi