eselect-metasploit: ugh, I hate myself

app-eselect/eselect-metasploit/eselect-metasploit-0.17.ebuild

@@ -0,0 +1,41 @@
+# Copyright 1999-2020 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=7
+
+inherit multilib
+
+DESCRIPTION="eselect module for metasploit"
+HOMEPAGE="http://www.pentoo.ch/"
+SRC_URI=""
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~x86"
+IUSE=""
+
+DEPEND="!<net-analyzer/metasploit-4.6"
+RDEPEND="${DEPEND}
+		app-admin/eselect"
+
+S=${WORKDIR}
+
+src_install() {
+	#force to use the outdated bundled version of metasm
+	doenvd "${FILESDIR}"/91metasploit
+
+	newinitd "${FILESDIR}"/msfrpcd.initd msfrpcd
+	newconfd "${FILESDIR}"/msfrpcd.confd msfrpcd
+
+	insinto /usr/share/eselect/modules
+	newins "${FILESDIR}/metasploit.eselect-0.13" metasploit.eselect
+
+	newbin "${FILESDIR}"/msfloader-${PV} msfloader
+}
+
+pkg_postinst() {
+	"${EROOT}"/usr/bin/eselect metasploit set --use-old 1
+	elog "To switch between installed slots, execute as root:"
+	elog " # eselect metasploit set [slot number]"
+}

app-eselect/eselect-metasploit/files/91metasploit

@@ -0,0 +1,8 @@
+MSF_DATABASE_CONFIG=/usr/lib/metasploit/config/database.yml
+
+# needed because MSF ships an old version of metasm 
+# which isn't compatible with the new one
+MSF_LOCAL_LIB="/usr/lib/metasploit/lib/metasm"
+
+# needed because MSF doesn't know where it is since the alzheimer's
+MSF_ROOT=/usr/lib/metasploit

app-eselect/eselect-metasploit/files/metasploit.eselect-0.13

@@ -0,0 +1,207 @@
+# -*-eselect-*-  vim: ft=eselect
+# Copyright 2005-2020 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2 or later
+# $
+
+DESCRIPTION="Control which metaploit version is active"
+MAINTAINER="zerochaos@pentoo.ch"
+
+###WARNING: don't even think of using this insanity for a reference (but it works,mostly)
+#base idea from kernel.eselect, get_libdir from php.eselect with --use-old from opencl.eselect
+#all modified randomly until it worked, entropy is wonderful
+###/WARNING
+
+inherit multilib
+
+get_libdir() {
+	local dir
+	if has lib64 $(list_libdirs); then
+		echo lib64
+		return
+	fi
+	echo lib
+}
+
+MSFPATH="/usr/$(get_libdir)/metasploit"
+
+# find a list of metasploit symlink targets and sort them
+find_targets() {
+	local f
+	for f in "${EROOT}${MSFPATH}"[[:digit:]]*; do
+		[[ -d ${f} ]] && basename "${f}"
+	done | LC_ALL=C sort
+}
+
+# remove the metasploit symlink
+remove_symlink() {
+	for i in $(qlist metasploit | grep $(canonicalise "${EROOT}${MSFPATH}")/msf)
+	do
+		if [ -L /usr/bin/$(echo ${i} | awk -F'/' '{print $5}') ]; then
+			unlink /usr/bin/$(echo ${i} | awk -F'/' '{print $5}') || die -q "failed to unlink ${i}"
+		fi
+	done
+	if [ -L ${EROOT}${MSFPATH} ]; then
+		unlink "${EROOT}${MSFPATH}" || die -q "failed to unlink ${EROOT}${MSFPATH}"
+	elif [ -e ${EROOT}${MSFPATH} ]; then
+		die -q "${EROOT}${MSFPATH} exists but is not a symlink"
+	fi
+}
+
+# set the metasploit symlink
+set_symlink() {
+	local target=$1
+
+	if is_number "${target}"; then
+		local targets=( $(find_targets) )
+		target=${targets[target-1]}
+	fi
+
+	if [[ -z ${target} ]]; then
+		die -q "Target \"$1\" doesn't appear to be valid!"
+	elif [[ -d ${EROOT}/usr/$(get_libdir)/${target} ]]; then
+		ln -s "${target}" "${EROOT}${MSFPATH}"
+		for i in $(qlist metasploit | grep /usr/$(get_libdir)/${target}/msf)
+		do
+			ln -s /usr/bin/msfloader /usr/bin/$(echo ${i} | awk -F'/' '{print $5}')
+		done
+	#this elif looks like it is trying to support setting by slot only,
+	#but that isn't supported by the rest of the script... fix or remove?
+	elif [[ -d ${EROOT}${MSFPATH}${target} ]]; then
+		ln -s "metasploit${target}" "${EROOT}${MSFPATH}"
+		for i in $(qlist metasploit | grep /usr/$(get_libdir)/${target}/msf)
+		do
+			ln -s /usr/bin/msfloader /usr/bin/$(echo ${i} | awk -F'/' '{print $5}')
+		done
+	else
+		die -q "Target \"$1\" doesn't appear to be valid!"
+	fi
+}
+
+# wrapper to safely set the symlink
+set_symlink_safe() {
+	if [[ -L ${EROOT}${MSFPATH} ]]; then
+		# existing symlink
+		remove_symlink || die -q "Couldn't remove existing symlink"
+		set_symlink "$1" || die -q "Couldn't set a new symlink"
+		#um, why is there an env-update here?
+		env-update
+	elif [[ -e ${EROOT}${MSFPATH} ]]; then
+		# we have something strange
+		die -q "${EROOT}${MSFPATH} exists but is not a symlink"
+	else
+		set_symlink "$1" || die -q "Couldn't set a new symlink"
+	fi
+}
+
+### show action ###
+
+describe_show() {
+	echo "Show the current metasploit symlink"
+}
+
+do_show() {
+	write_list_start "Current metasploit symlink:"
+	if [[ -L ${EROOT}${MSFPATH} ]]; then
+		local metasploit=$(canonicalise "${EROOT}${MSFPATH}")
+		write_kv_list_entry "${metasploit%/}" ""
+	else
+		write_kv_list_entry "(unset)" ""
+	fi
+}
+
+### list action ###
+
+describe_list() {
+	echo "List available metasploit symlink targets"
+}
+
+do_list() {
+	local i targets=( $(find_targets) )
+
+	write_list_start "Available metasploit symlink targets:"
+	for (( i = 0; i < ${#targets[@]}; i++ )); do
+		[[ ${targets[i]} = \
+			$(basename "$(canonicalise "${EROOT}${MSFPATH}")") ]] \
+			&& targets[i]=$(highlight_marker "${targets[i]}")
+	done
+	write_numbered_list -m "(none found)" "${targets[@]}"
+}
+
+### set action ###
+
+describe_set() {
+	echo "Set a new metasploit symlink target"
+}
+
+describe_set_parameters() {
+	echo "<target>"
+}
+
+describe_set_options() {
+	echo "<target> : Target name or number (from 'list' action)"
+	echo "--use-old : If an implementation is already set, use that one instead"
+}
+
+do_set() {
+	local action="error"
+	local current=$(basename "$(canonicalise "${EROOT}${MSFPATH}")")
+	local available=( $(find_targets) )
+	local new
+	local opt
+
+	while [[ ${#@} -gt 0 ]] ; do
+		opt=$1
+		shift
+		case ${opt} in
+			--use-old)
+				if [[ -n "${current}" ]] && has "${current}" "${available[@]}"; then
+					action="old-implementation"
+				fi
+			;;
+			metasploit*)
+				if [[ "${action}" != "old-implementation" ]] ; then
+					action="set-implementation"
+				fi
+
+				if has ${opt} ${available[@]}; then
+					new="${opt}"
+				else
+					echo "You need to emerge ${opt} before you try to eselect it"
+				fi
+			;;
+			*)
+				if [[ "${action}" != "old-implementation" ]] ; then
+					action="set-implementation"
+				fi
+
+				if is_number ${opt} ; then
+					#targets=( $(get_implementations) )
+					new=${available[opt - 1]}
+					if [[ -z ${new} ]] ; then
+						die -q "Unrecognized option: ${opt}"
+					fi
+				else
+					die -q "Unrecognized option: ${opt}"
+				fi
+			;;
+		esac
+	done
+
+	case ${action} in
+		old-implementation)
+			set_symlink_safe ${current}
+			return $?
+		;;
+		set-implementation)
+			if [[ -n ${new} ]] ; then
+				set_symlink_safe ${new}
+				return $?
+			else
+				die -q "Please specify an implementation to set"
+			fi
+		;;
+		*)
+			die -q "Invalid usage of set action."
+		;;
+	esac
+}

app-eselect/eselect-metasploit/files/msfloader-0.17

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+#todo:
+#add in optional auto starting/stopping of postgres
+
+#read the desired version of ruby from the eselected version of msf
+header="$(head -n1 /usr/lib/metasploit/msfconsole)"
+ruby="${header:2}"
+
+#ensure Gemfile.lock is up to date
+if ! BUNDLE_GEMFILE=/usr/lib/metasploit/Gemfile ${ruby} -S bundle check > /dev/null 2>&1; then
+  echo "Something went wrong, please open a bug for metasploit on https://github.com/pentoo/pentoo-overlay/issues"
+  exit 1
+fi
+
+#ready to go
+BUNDLE_GEMFILE=/usr/lib/metasploit/Gemfile ${ruby} -S bundle exec /usr/lib/metasploit/$(basename $0) "$@"
+#profit

app-eselect/eselect-metasploit/files/msfrpcd.confd

@@ -0,0 +1,16 @@
+# Config file for /etc/init.d/metasploit
+
+# Bind to the following IP instead of the loopback address
+IPADDR=127.0.0.1
+
+# Bind to the following TCP port instead of default 55555
+PORT=55553
+
+# Use the following username instead of msf
+USER="msf"
+
+# Use the following password instead of msf
+PASS="secure"
+
+# All options
+MSF_OPTS="-U $USER -P $PASS -S -a $IPADDR -p $PORT"

app-eselect/eselect-metasploit/files/msfrpcd.initd

@@ -0,0 +1,22 @@
+#!/sbin/openrc-run
+# Copyright 1999-2020 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+VERSION=
+PIDFILE=/var/run/msfrpcd${VERSION}.pid
+
+start() {
+	ebegin "Starting msfrpcd"
+	start-stop-daemon --start --quiet --background \
+		--exec /usr/bin/msfrpcd \
+		--pidfile ${PIDFILE} \
+		--make-pidfile -- -f ${MSF_OPTS}
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping msfrpcd"
+	start-stop-daemon --stop --quiet -s 9 --pidfile ${PIDFILE}
+	eend $?
+}

app-eselect/eselect-metasploit/metadata.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer>
+<email>zerochaos@gentoo.org</email>
+<name>Rick Farina</name>
+</maintainer>
+<longdescription lang="en">
+</longdescription>
+</pkgmetadata>