#!/bin/bash

# Slackware build script for Metasploit Framework

# Copyright 2013 Andrea Villa <andreakarimodm@gmail.com>
# Copyright 2010-2011 Marco Bonetti <sid77@slackware.it>
# 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.

# If you want to build a different version from the one defined in the VERSION
# variable just try to launch the script redefining this.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=metasploit
VERSION=${VERSION:-4.7.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

BASEINSTDIR="opt"
INSTDIR="$BASEINSTDIR/metasploit"

# PostgreSQL user and group
PG_UID=${PG_UID:-209}
PG_GID=${PG_GID:-209}

# On which port is PostgreSQL listening to?
# Default is 7175, set PG_PORT to any other value if you want to customize it.
PG_PORT=${PG_PORT:-7175}

# Bail out if user or group isn't valid on your system
# For slackbuilds.org, assigned postgres uid/gid are 209/209
# See http://slackbuilds.org/uid_gid.txt
# Other popular choice is 26/26
if ! grep ^postgres: /etc/group 2>&1 > /dev/null; then
  echo "  You must have a postgres group to run this script."
  echo "    # groupadd -g $PG_GID postgres"
  exit 1
elif ! grep ^postgres: /etc/passwd 2>&1 > /dev/null; then
  echo "  You must have a postgres user to run this script."
  echo "    # useradd -u $PG_UID -g $PG_GID -d /var/lib/pgsql postgres"
  exit 1
fi

if [ "$ARCH" = "i486" ]; then
  INSTALLERARCH=""
elif [ "$ARCH" = "i686" ]; then
  INSTALLERARCH=""
elif [ "$ARCH" = "x86_64" ]; then
  INSTALLERARCH="-x64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

# Install Metasploit Framework DIRECTLY under /opt/metasploit (sorry!)
echo "Installing the Metasploit Framework..."
chown root:root $CWD/metasploit-$VERSION-linux$INSTALLERARCH-installer.run
chmod 755 $CWD/metasploit-$VERSION-linux$INSTALLERARCH-installer.run

$CWD/metasploit-$VERSION-linux$INSTALLERARCH-installer.run \
  --mode unattended \
  --unattendedmodeui none \
  --postgres_port $PG_PORT

# Stop Metasploit Framework PostgreSQL
echo "Stopping Metasploit Framework..."
INITSCRIPT=metasploit
if ! /etc/init.d/$INITSCRIPT stop; then
	echo "Waiting for PostgreSQL to finish deferred work..."
	PSPID=$(head -1 /$INSTDIR/postgresql/data/postmaster.pid)
	while kill -0 $PSPID 2>/dev/null; do
		sleep 1;
	done
fi

# Move install dir
mkdir -p $PKG/$BASEINSTDIR
mv /$INSTDIR $PKG/$BASEINSTDIR/

# Fix init script and move it to the right directory
# This script is not handled by the uninstaller and the user should not call
# the uninstall script anyway, so no problem if we made it more Slackware-ish
echo "Fixing Metasploit Framework init script..."
mkdir -p $PKG/etc/rc.d
rm -f /etc/rc.d/rc?.d/S80metasploit /etc/rc.d/rc?.d/K30metasploit
mv /etc/init.d/$INITSCRIPT $PKG/etc/rc.d/rc.$INITSCRIPT.new
chown root:root $PKG/etc/rc.d/rc.$INITSCRIPT.new
chmod 755 $PKG/etc/rc.d/rc.$INITSCRIPT.new
# Default installation makes pro stuff, starting METASPLOIT_SCRIPT, PROSVC_SCRIPT and WORKER_SCRIPT. Disable this...
# We want only to start framework's PostgreSQL
chmod -x $PKG/$INSTDIR/apps/pro/ui/scripts/ctl.sh
chmod -x $PKG/$INSTDIR/apps/pro/engine/scripts/ctl.sh
chmod -x $PKG/$INSTDIR/apps/pro/ui/scripts/worker_ctl.sh

# Install /usr/bin links
mkdir -p $PKG/usr/bin
echo "Installing links into /usr/bin..."
( cd $PKG/usr/bin
  for file in $(ls ../../$INSTDIR/app/msf*); do
    ln -sf $file $(basename $file)
  done
  # also links armitage
  ln -sf ../../$INSTDIR/app/armitage armitage
)

# Every useful doc is included inside the framework folder, just copy over the
# README which contains the important copyright disclaimer and the cron script
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $PKG/$INSTDIR/apps/pro/msf3/README.md $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/msfupdate.sh > $PKG/usr/doc/$PRGNAM-$VERSION/msfupdate.sh
cat $CWD/msfupdate.logrotate > $PKG/usr/doc/$PRGNAM-$VERSION/msfupdate.logrotate
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

# Create a symbolic link to msf3 core directory for convenience
ln -s apps/pro/msf3 $PKG/$INSTDIR/msf3

# Do NOT chown -R root:root or it will bork the shipped PostgreSQL
# installation: the bitrock installer should have taken care of permissions
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}