diff options
Diffstat (limited to 'modules/retiolum')
28 files changed, 0 insertions, 1145 deletions
diff --git a/modules/retiolum/Makefile b/modules/retiolum/Makefile deleted file mode 100644 index 0d99ee70..00000000 --- a/modules/retiolum/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -.phony: update it all so install - -all: select-target - -it: so -so: it - -/etc/tinc/retiolum/hosts: - cd $(dir $@) && git clone https://github.com/krebscode/hosts - -update: /etc/tinc/retiolum/hosts - cd $< && git pull - -install: - scripts/tinc_setup/install.sh diff --git a/modules/retiolum/README b/modules/retiolum/README deleted file mode 100644 index 9b9725f2..00000000 --- a/modules/retiolum/README +++ /dev/null @@ -1,29 +0,0 @@ -Retiolum Darknet Module for Krebs -======================== - -Enter the darknet with the help of tinc retiolum - -Getting Started -------------- -to get you started, check out scripts/tinc_setup/README - -1. the first step you will need to do is grab a binary copy of tinc via your -packet manager, build it yourself or place all your hope into the build -script of your distribution. -2. after doing that you might want to run the scripts/tinc_setup/install.sh -script to write all the configuration files and private/public keys. -This installation is somewhat interactive so be sure not to fuck shit up. - -Other cool stuff ---------------- -in bin/ there are some cool scripts which are partly needed and partly -totally unnecessary to work with retiolum. - -As all the scripts are not too horribly long, be sure to use -`cat bin/SCRIPTNAME` to get an understanding of what they do - -besides that in scripts/ there are 3 more scripts which perform pretty -sophisticated tasks like finding instances via multicast or writing graphs -of the current retiolum network. Try them if you dare :) - - diff --git a/modules/retiolum/bin/fillxx b/modules/retiolum/bin/fillxx deleted file mode 100755 index 5e558362..00000000 --- a/modules/retiolum/bin/fillxx +++ /dev/null @@ -1,6 +0,0 @@ -#! /bin/sh -while echo $1 | grep -q xx; do - xx=`od -An -tx1 -N 1 /dev/urandom | tr -d \ ` - set -- `echo $1 | sed s/xx/$xx/` -done -echo $1 diff --git a/modules/retiolum/bin/hosts b/modules/retiolum/bin/hosts deleted file mode 100755 index 6939f52c..00000000 --- a/modules/retiolum/bin/hosts +++ /dev/null @@ -1,11 +0,0 @@ -#! /bin/sh -set -euf - -netname=${1-retiolum} - -cd /etc/tinc/$netname/hosts - -for i in `ls`; do - sed -rn 's|^ *Subnet *= *([^ /]*)(/[0-9]*)? *$|\1\t'$i' '$i'.'$netname'|p' $i -done | sort - diff --git a/modules/retiolum/bin/ipv6 b/modules/retiolum/bin/ipv6 deleted file mode 100755 index 65a1eaa1..00000000 --- a/modules/retiolum/bin/ipv6 +++ /dev/null @@ -1,35 +0,0 @@ -#! /bin/sh -# -# Manage IPv6 of the retiolum interface. -# -# usage: ipv6 {start,stop} -# -set -euf - -if test `id -u` != 0; then - echo "we're going sudo..." >&2 - exec sudo "$0" "$@" - exit 23 # go to hell -fi - -file=/etc/tinc/retiolum/hosts/`hostname` -addr=`sed -rn 's|^Subnet *= *(42:[0-9A-Fa-f:]*/128)|\1|p' $file` -route=42::/16 - -start() { - stop - ip -6 addr add $addr dev retiolum - ip -6 route add $route dev retiolum -} - -stop() { - ip -6 addr del $addr dev retiolum 2>/dev/null || : - ip -6 route del $route dev retiolum 2>/dev/null || : -} - -## dispatch -case "$1" in - (start) start;; - (stop) stop;; - (*) echo "You're made of stupid" 2>/dev/null; exit 23;; -esac diff --git a/modules/retiolum/bin/tinc b/modules/retiolum/bin/tinc deleted file mode 100755 index ffa1dbee..00000000 --- a/modules/retiolum/bin/tinc +++ /dev/null @@ -1,18 +0,0 @@ -#! /bin/sh -# -set -euf - -init() { - f=/tmp/retiolum.GraphDumpFile - if ! test -f $f; then - touch $f && - chown -v tincd: $f - fi - - modprobe -v tun -} - -if init; then - exec tincd --user=tincd --net=retiolum "$@" -fi - diff --git a/modules/retiolum/bin/update_tinc_hosts b/modules/retiolum/bin/update_tinc_hosts deleted file mode 100755 index 2d5cf957..00000000 --- a/modules/retiolum/bin/update_tinc_hosts +++ /dev/null @@ -1,33 +0,0 @@ -#! /bin/sh -set -euf - -if test "${nosudo-false}" != true -a `id -u` != 0; then - echo "we're going sudo..." >&2 - exec sudo "$0" "$@" - exit 23 # go to hell -fi - -DIRNAME=`dirname $0` -export PATH="`readlink -f $DIRNAME`:$PATH" - -hosts="${hosts-/etc/hosts}" - -bs='# BEGIN OF RETIOLUM' -es='# END OF RETIOLUM' - -case "${1-imstupid}" in - (start|restart) - if grep -q "^$bs$" $hosts && grep -q "^$es$" $hosts; then - $0 stop - echo "$bs" >> $hosts - hosts >> $hosts - echo "$es" >> $hosts - fi - ;; - (stop) - sed -ie "/^$bs$/,/^$es$/d" $hosts - ;; - (*) - echo 'Error 1: You are made of stupid!' >&2 - exit 23 -esac diff --git a/modules/retiolum/doc/install_dotcloud b/modules/retiolum/doc/install_dotcloud deleted file mode 100644 index ab7206b1..00000000 --- a/modules/retiolum/doc/install_dotcloud +++ /dev/null @@ -1,85 +0,0 @@ -The Dotcloud provided by duostack.com is a application development platform -for simple deployment of your stuff. - -It also provides an ssh-interface via: -<code> - dotcloud ssh project.module -</code> - -to be able to use it without the hassle of going through the api, you will -need to create an own dsa-key for ssh to use and deploy this public key on -the machine -<code> - ssh-keygen -t dsa -f dotcloud_project.dss - cat dotcloud_project.dss.pub (copy the contents to the dotclouds - ~/.ssh/authorized_keys2) -</code> -find your dotcloud host ip via -<code> - dotcloud info project.module -</code> - -You will gain a user shell with -<code> - ssh dotcloud@module.project -p 5960 -</code> -we will need to build some stuff in order to get a working copy of tinc. -Everything needs to be done in userspace. -<code> - mkdir build - cd build - curl http://www.openssl.org/source/openssl-1.0.0d.tar.gz | tar xz - cd openssl-1.0.0d - ./config --prefix=$HOME/usr -fPIC - make install - cp lib* $HOME/usr/lib - cd .. - - curl http://www.oberhumer.com/opensource/lzo/download/lzo-2.04.tar.gz | tar xz - cd lzo-2.04 - ./configure --prefix=$HOME/usr - - curl http://zlib.net/zlib-1.2.5.tar.gz | tar xz - cd zlib-1.2.5/ - ./configure --prefix=$HOME/usr - make install -</code> -before building we need to patch the tinc daemon to run without the need -for a tun device. - -tutorial is here: -https://hackerspace.be/TincVPN -<code> - - curl http://www.tinc-vpn.org/packages/tinc-1.0.14.tar.gz | tar xz - cd tinc-1.0.14 - #replace the device.c with the patched (empty) one from the webpage - ./configure --prefix=$HOME/usr --sysconfdir=$HOME/etc \ - --localstatedir=$HOME/var --with-openssl=`pwd`/../openssl-1.0.0d/ \ - --with-openssl-lib=`pwd`/../openssl-1.0.0d/ \ - --with-zlib-include=$HOME/usr/include --with-zlib-lib=$HOME/usr/lib - make - make install - mkdir ~/etc - mkdir -p ~/var/run - cd ~/painload/modules/retiolum/scripts/tinc_setup - ./install cloudkrebs 10.7.7.221 -</code> - -be sure to fix the portnumber in the generated host file and add your own -address in hosts/cloudkrebs: -<code> - Address = my.public.address - Port = 1655 - - PUBKEY -</code> - -also write the right in tinc.conf: -<code> - Name = cloudkrebs - - Mode = switch - #device = ... - # no device :) -</code> diff --git a/modules/retiolum/doc/install_no.de b/modules/retiolum/doc/install_no.de deleted file mode 100644 index 69fecc61..00000000 --- a/modules/retiolum/doc/install_no.de +++ /dev/null @@ -1,16 +0,0 @@ -ok, i tried to just do the same step i did in the other cloud service, but -it failed when trying to include tunnel headers.this is what to do: - -./configure -./configure --prefix=$HOME/usr --sysconfdir=$HOME/etc --disable-lzo --disable-zlib --localstatedir=$HOME/var -# add PATH_MAX to conf.c - -Add to your own path: -$PATH:/home/node/usr/sbin/:/home/node/painload/modules/retiolum/bin/ - -patch the install paths in modules/retiolum/scripts/tinc_setup/krebs - -update the write_channel script with the correct path - -mkdir -p ~/var/run - diff --git a/modules/retiolum/scripts/README b/modules/retiolum/scripts/README deleted file mode 100644 index 4dbb42af..00000000 --- a/modules/retiolum/scripts/README +++ /dev/null @@ -1,16 +0,0 @@ -This Folder contains all the cool scripts created for tinc_retiolum - -currently the following functions are deployed: - -adv_graphgen/ - makefu - this folder contains a script suite which parses the interesting - parameters from the syslog file by sending SIGUSR2 to the tinc process - -tinc_multicast/ - Miefda,Lassulus - A tinc multicast script suite which provides automagic-discovery in a - local network by utilizing multicast - -tinc_setup/ - makefu (i am so sorry...) - A number of scripts which build and configure tinc on a local machine. - Core is the install.sh script which actually writes the configuration - and creates users as well as private/public keys diff --git a/modules/retiolum/scripts/adv_graphgen/README b/modules/retiolum/scripts/adv_graphgen/README deleted file mode 100644 index 082e0f2b..00000000 --- a/modules/retiolum/scripts/adv_graphgen/README +++ /dev/null @@ -1,28 +0,0 @@ -The folder contains a number of scripts which provide a convenient way to -generate advanced graphs from the SIGUSR2 output of tinc. - -it currently contains the following files: - -sanitize.sh: - wrapper arond parse.py which filters the syslog file for all tinc - related lines and removes the status informations: - this means that - <code> - May 19 20:40:44 servarch dnsmasq[5382]: reading /etc/resolv.conf - May 19 20:41:38 servarch tinc.retiolum[4780]: Error looking up pa-sharepoint.informatik.ba-stuttgart.de port 655: Name or service not known - </code> - becomes - <code> - Error looking up pa-sharepoint.informatik.ba-stuttgart.de port 655: Name or service not known - </code> - and so on. - It also provides a wrapper around graphviz which automagically - generates graphs from the produced graph file - -parse.py: - reads from stdin the sanitized syslog file and prints a valid dot file - from the given output. - The parser module may also produce any other output (e.g. for dns - entries and so on) you will need to actually read and modify the source - in order to be able to do this. ~May the source be with you~ - diff --git a/modules/retiolum/scripts/adv_graphgen/parse.py b/modules/retiolum/scripts/adv_graphgen/parse.py deleted file mode 100755 index 639c5316..00000000 --- a/modules/retiolum/scripts/adv_graphgen/parse.py +++ /dev/null @@ -1,101 +0,0 @@ -#!/usr/bin/python2 -# -*- coding: utf8 -*- - -import sys -""" TODO: Refactoring needed to pull the edges out of the node structures again, -it should be easier to handle both structures""" - -def write_digraph(nodes): - """ - writes the complete digraph in dot format - """ - print ('digraph retiolum {') - print (' node[shape=box,style=filled,fillcolor=grey]') - generate_stats(nodes) - nodes = delete_unused_nodes(nodes) - merge_edges(nodes) - for k,v in nodes.iteritems(): - write_node(k,v) - print ('}') -def generate_stats(nodes): - """ Generates some statistics of the network and nodes - """ - for k,v in nodes.iteritems(): - v['num_conns'] = len(v.get('to',[])) -def delete_unused_nodes(nodes): - new_nodes = {} - for k,v in nodes.iteritems(): - if v.get('to',[]): - new_nodes[k] = v - return new_nodes -def merge_edges(nodes): - """ merge back and forth edges into one - DESTRUCTS the current structure by deleting "connections" in the nodes - - """ - for k,v in nodes.iteritems(): - for con in v.get('to',[]): - for i,secon in enumerate(nodes[con['name']].get('to',[])): - if k == secon['name']: - del (nodes[con['name']]['to'][i]) - con['bidirectional'] = True - - -def write_node(k,v): - """ writes a single node and its edges - edges are weightet with the informations inside the nodes provided by - tinc - """ - node = " "+k+"[label=\"" - node += k+"\\l" - node += "external:"+v['external-ip']+":"+v['external-port']+"\\l" - if v.has_key('num_conns'): - node += "Num Connects:"+str(v['num_conns'])+"\\l" - for addr in v.get('internal-ip',['¯\\\\(°_o)/¯']): - node += "internal:"+addr+"\\l" - node +="\"" - if v['external-ip'] == "MYSELF": - node += ",fillcolor=steelblue1" - node += "]" - print node - - for con in v.get('to',[]): - edge = " "+k+ " -> " +con['name'] + "[weight="+str(float(con['weight'])) - if con.get('bidirectional',False): - edge += ",dir=both" - edge += "]" - print edge - -def parse_input(): - nodes={} - for line in sys.stdin: - line = line.replace('\n','') - if line == 'Nodes:': - nodes={} - for line in sys.stdin: - if line == 'End of nodes.\n': - break - l = line.replace('\n','').split() #TODO unhack me - nodes[l[0]]= { 'external-ip': l[2], 'external-port' : l[4] } - if line == 'Subnet list:': - for line in sys.stdin: - if line == 'End of subnet list.\n': - break - l = line.replace('\n','').split() - if not nodes[l[2]].get('internal-ip',False): - nodes[l[2]]['internal-ip'] = [] - nodes[l[2]]['internal-ip'].append(l[0].split('#')[0]) - if line == 'Edges:': - edges = {} - for line in sys.stdin: - if line == 'End of edges.\n': - break - l = line.replace('\n','').split() - - if not nodes[l[0]].has_key('to') : - nodes[l[0]]['to'] = [] - nodes[l[0]]['to'].append( - {'name':l[2],'addr':l[4],'port':l[6],'weight' : l[10] }) - return nodes -nodes = parse_input() -write_digraph(nodes) diff --git a/modules/retiolum/scripts/adv_graphgen/sanitize.sh b/modules/retiolum/scripts/adv_graphgen/sanitize.sh deleted file mode 100755 index 0e12d207..00000000 --- a/modules/retiolum/scripts/adv_graphgen/sanitize.sh +++ /dev/null @@ -1,13 +0,0 @@ -GRAPH_SETTER1=dot -GRAPH_SETTER2=circo -LOG_FILE=/var/log/everything.log -OPENER=/bin/true - -sudo pkill -USR2 tincd -sudo sed -n '/tinc.retiolum/{s/.*tinc.retiolum\[[0-9]*\]: //gp}' $LOG_FILE |\ - ./parse.py > retiolum.dot - -$GRAPH_SETTER1 -Tpng -o $1retiolum_1.png retiolum.dot -$GRAPH_SETTER2 -Tpng -o $1retiolum_2.png retiolum.dot -$OPENER retiolum_1.png &>/dev/null -#rm retiolum.dot diff --git a/modules/retiolum/scripts/autostart/Makefile b/modules/retiolum/scripts/autostart/Makefile deleted file mode 100644 index aba6bd33..00000000 --- a/modules/retiolum/scripts/autostart/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -INIT_FOLDER=/etc/init.d -.phony: all -debian: - #TODO change the tinc file before writing - cp tinc /etc/init.d/tinc - chmod +x /etc/init.d - echo "retiolum" > /etc/tinc/nets.boot - update-rc.d tinc defaults -arch: - @cp tinc /etc/rc.d - @chmod +x /etc/rc.d/tinc - @echo "add tinc to DAEMONS in /etc/rc.conf" - - diff --git a/modules/retiolum/scripts/autostart/tinc b/modules/retiolum/scripts/autostart/tinc deleted file mode 100755 index 12e77d6a..00000000 --- a/modules/retiolum/scripts/autostart/tinc +++ /dev/null @@ -1,94 +0,0 @@ -#! /bin/sh -# -### BEGIN INIT INFO -# Provides: tinc -# Required-Start: $remote_fs $network -# Required-Stop: $remote_fs $network -# Should-Start: $syslog $named -# Should-Stop: $syslog -# Default-Start: 2 3 4 5 -# Default-Stop: 0 1 6 -# Short-Description: Start tinc daemons -# Description: Create a file $NETSFILE (/etc/tinc/nets.boot), -# and put all the names of the networks in there. -# These names must be valid directory names under -# $TCONF (/etc/tinc). Lines starting with a # will be -# ignored in this file. -### END INIT INFO -# -# Based on Lubomir Bulej's Redhat init script. - -DAEMON="/usr/sbin/tincd" -NAME="tinc" -DESC="tinc daemons" -TCONF="/etc/tinc" -NETSFILE="$TCONF/nets.boot" -NETS="" - -modprobe tun - -test -f $DAEMON || exit 0 - -[ -r /etc/default/tinc ] && . /etc/default/tinc - -# foreach_net "what-to-say" action [arguments...] -foreach_net() { - if [ ! -f $NETSFILE ] ; then - echo "Please create $NETSFILE." - exit 0 - fi - echo -n "$1" - shift - egrep '^[ ]*[a-zA-Z0-9_-]+' $NETSFILE | while read net args; do - echo -n " $net" - "$@" $net $args - done - echo "." -} - -start() { - $DAEMON $EXTRA -n "$@" -} -stop() { - $DAEMON -n $1 -k -} -reload() { - $DAEMON -n $1 -kHUP -} -restart() { - stop "$@" - sleep 0.5 - i=0; - while [ -f /var/run/tinc.$1.pid ] ; do - if [ $i = '10' ] ; then - break - else - echo -n "." - sleep 0.5 - i=$(($i+1)) - fi - done - start "$@" -} - -case "$1" in - start) - foreach_net "Starting $DESC:" start - ;; - stop) - foreach_net "Stopping $DESC:" stop - ;; - reload|force-reload) - foreach_net "Reloading $DESC configuration:" reload - ;; - restart) - foreach_net "Restarting $DESC:" restart - ;; - *) - echo "Usage: /etc/init.d/$NAME {start|stop|reload|restart|force-reload}" - exit 1 - ;; -esac - -exit 0 - diff --git a/modules/retiolum/scripts/tinc_multicast/retiolum b/modules/retiolum/scripts/tinc_multicast/retiolum deleted file mode 100755 index 1d6b775f..00000000 --- a/modules/retiolum/scripts/tinc_multicast/retiolum +++ /dev/null @@ -1,34 +0,0 @@ -#!/bin/bash - -. /etc/rc.conf -. /etc/rc.d/functions - -TINCNAME='retiolum' -case "$1" in - start) - stat_busy "Starting retiolum Daemon" - success=0 - /home/death/git/retiolum/.scripts/tinc_multicast/retiolum.py -n retiolum -T & - sleep 2 - if [ $success -eq 0 ]; then - add_daemon retiolum - stat_done - else - stat_fail - fi - ;; - stop) - stat_busy "Stopping retiolum Daemon" - kill `cat /var/lock/retiolum.retiolum` - rm_daemon retiolum - stat_done - ;; - restart) - $0 stop - sleep 4 - $0 start - ;; - *) - echo "usage $0 {start¦stop¦restart}" -esac -exit 0 diff --git a/modules/retiolum/scripts/tinc_multicast/retiolum.py b/modules/retiolum/scripts/tinc_multicast/retiolum.py deleted file mode 100755 index 8cf57471..00000000 --- a/modules/retiolum/scripts/tinc_multicast/retiolum.py +++ /dev/null @@ -1,349 +0,0 @@ -#!/usr/bin/python2 -import sys, os, time, signal, socket, subprocess, thread, random, Queue, binascii, logging, hashlib, urllib2 #these should all be in the stdlib -from optparse import OptionParser - -def pub_encrypt(hostname_t, text): #encrypt data with public key - logging.debug("encrypt: " + text) - if hostname_t.find("`") != -1: return(-1) - try: - enc_text = subprocess.os.popen("echo '" + text + "' | openssl rsautl -pubin -inkey /etc/tinc/" + netname + "/hosts/.pubkeys/" + hostname_t + " -encrypt | base64 -w0") - return(enc_text.read()) - except: - return(-1) - -def priv_decrypt(enc_data): #decrypt data with private key - if enc_data.find("`") != -1: return(-1) - dec_text = subprocess.os.popen("echo '" + enc_data + "' | base64 -d | openssl rsautl -inkey /etc/tinc/" + netname + "/rsa_key.priv -decrypt") - return(dec_text.read()) - -def address2hostfile(hostname, address): #adds address to hostsfile or restores it if address is empty - hostfile = "/etc/tinc/" + netname + "/hosts/" + hostname - addr_file = open(hostfile, "r") - addr_cache = addr_file.readlines() - addr_file.close() - if address != "": - addr_cache.insert(0, "Address = " + address + "\n") - addr_file = open(hostfile, "w") - addr_file.writelines(addr_cache) - addr_file.close - logging.info("sending SIGHUP to tinc deamon!") - tincd_ALRM = subprocess.call(["tincd -n " + netname + " --kill=HUP" ],shell=True) - else: - recover = subprocess.os.popen("tar xzf /etc/tinc/" + netname + "/hosts/hosts.tar.gz -C /etc/tinc/" + netname + "/hosts/ " + hostname) - -def findhostinlist(hostslist, hostname, ip): #finds host + ip in list - for line in xrange(len(hostslist)): - if hostname == hostslist[line][0] and ip == hostslist[line][1]: - return line - return -1 #nothing found - -def getHostname(netname): - tconf = open("/etc/tinc/" + netname + "/tinc.conf", "r") - feld = tconf.readlines() - tconf.close() - for x in feld: - if x.startswith("Name"): - return str(x.partition("=")[2].lstrip().rstrip("\n")) - - print("hostname not found!") - return -1 #nothing found - -def get_hostfiles(url_files, url_md5sum): - try: - get_hosts_tar = urllib2.urlopen(url_files) - get_hosts_md5 = urllib2.urlopen(url_md5sum) - hosts_tar = get_hosts_tar.read() - hosts_md5 = get_hosts_md5.read() - - if str(hosts_md5) == str(hashlib.md5(hosts_tar).hexdigest() + " hosts.tar.gz\n"): - hosts = open("/etc/tinc/" + netname + "/hosts/hosts.tar.gz", "w") - hosts.write(hosts_tar) - hosts.close() - else: - logging.error("hosts.tar.gz md5sum check failed!") - except: - logging.error("hosts file download failed!") - - -####Thread functions - - -def sendthread(sendfifo, ghostmode): #send to multicast, sends keep alive packets - while True: - try: - #{socket init start - ANY = "0.0.0.0" - SENDPORT = 23542 - MCAST_ADDR = "224.168.2.9" - MCAST_PORT = 1600 - - sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) #initalize socket with udp - sock.bind((ANY,SENDPORT)) #now bound to Interface and Port - sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 255) #activate multicast - #}socket init end - - if ghostmode == 0: - - i = 9 - - while True: - i += 1 - if not sendfifo.empty(): - sock.sendto(sendfifo.get(), (MCAST_ADDR,MCAST_PORT) ) - logging.info("send: sending sendfifo") - else: - time.sleep(1) - if i == 10: - sock.sendto("#Stage1#" + netname + "#" + hostname + "#", (MCAST_ADDR,MCAST_PORT) ) - logging.debug("send: sending keep alive") - i = 0 - else: - while True: - if not sendfifo.empty(): - sock.sendto(sendfifo.get(), (MCAST_ADDR,MCAST_PORT) ) - logging.info("send: sending sendfifo") - else: - time.sleep(1) - - except: - logging.error("send: socket init failed") - time.sleep(10) - - - -def recvthread(timeoutfifo, authfifo): #recieves input from multicast, send them to timeout or auth - while True: - try: - ANY = "0.0.0.0" - MCAST_ADDR = "224.168.2.9" - MCAST_PORT = 1600 - - sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) #create a UDP socket - sock.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1) #allow multiple sockets to use the same PORT number - sock.bind((ANY,MCAST_PORT)) #Bind to the port that we know will receive multicast data - sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 255) #tell the kernel that we are a multicast socket - - - status = sock.setsockopt(socket.IPPROTO_IP, - socket.IP_ADD_MEMBERSHIP, #Tell the kernel that we want to add ourselves to a multicast group - socket.inet_aton(MCAST_ADDR) + socket.inet_aton(ANY)); #The address for the multicast group is the third param - - while True: - while True: - - try: - data, addr = sock.recvfrom(1024) - ip, port = addr - break - except socket.error, e: - pass - - logging.debug("recv: got data") - dataval = data.split("#") - if dataval[0] == "": - if dataval[2] == netname: - if dataval[1] == "Stage1": - if dataval[3] != hostname: - timeoutfifo.put(["tst", dataval[3], ip]) - logging.info("recv: got Stage1: writing data to timeout") - logging.debug("recv: ;tst;" + dataval[3] + ";" + ip) - if dataval[1] == "Stage2": - if dataval[3] == hostname: - authfifo.put([dataval[1], dataval[3], ip, dataval[4]]) - logging.info("recv: got Stage2: writing data to auth") - logging.debug("recv: ;" + dataval[1] + ";" + dataval[3] + ";" + ip + ";" + dataval[4]) - if dataval[1] == "Stage3": - if dataval[3] != hostname: - authfifo.put([dataval[1], dataval[3], ip, dataval[4]]) - logging.info("recv: got Stage3: writing data to auth") - logging.debug("recv: ;" + dataval[1] + ";" + dataval[3] + ";" + ip + ";" + dataval[4]) - except: - logging.error("recv: socket init failed") - time.sleep(10) - -def timeoutthread(timeoutfifo, authfifo): #checks if the hostname is already in the list, deletes timeouted nodes -# hostslist = [] #hostname, ip, timestamp - - while True: - if not timeoutfifo.empty(): - curhost = timeoutfifo.get() - if curhost[0] == "add": - with hostslock: - hostslist.append([curhost[1], curhost[2], time.time()]) - address2hostfile(curhost[1], curhost[2]) - logging.info("adding host to hostslist") - elif curhost[0] == "tst": - with hostslock: - line = findhostinlist(hostslist, curhost[1], curhost[2]) - if line != -1: - hostslist[line][2] = time.time() - logging.debug("timeout: refreshing timestamp of " + hostslist[line][0]) - else: - authfifo.put(["Stage1", curhost[1], curhost[2]]) - logging.info("timeout: writing to auth") - - else: - i = 0 - with hostslock: - while i < len(hostslist): - if time.time() - hostslist[i][2] > 60: - address2hostfile(hostslist[i][0], "") - hostslist.remove(hostslist[i]) - logging.info("timeout: deleting dead host") - else: - i += 1 - time.sleep(2) - -def auththread(authfifo, sendfifo, timeoutfifo): #manages authentication with clients (bruteforce sensitve, should be fixed) - authlist = [] #hostname, ip, Challenge, timestamp - - - while True: - try: - if not authfifo.empty(): - logging.debug("auth: authfifo is not empty") - curauth = authfifo.get() - if curauth[0] == "Stage1": - line = findhostinlist(authlist, curauth[1], curauth[2]) - if line == -1: - challengenum = random.randint(0,65536) - encrypted_message = pub_encrypt(curauth[1], "#" + hostname + "#" + str(challengenum) + "#") - authlist.append([curauth[1], curauth[2], challengenum, time.time()]) - else: - encrypted_message = pub_encrypt(authlist[line][0], "#" + hostname + "#" + str(authlist[line][2]) + "#") - if encrypted_message == -1: - logging.info("auth: RSA Encryption Error") - else: - sendtext = "#Stage2#" + netname + "#" + curauth[1] + "#" + encrypted_message + "#" - sendfifo.put(sendtext) - logging.info("auth: got Stage1 sending now Stage2") - logging.debug("auth: " + sendtext) - - if curauth[0] == "Stage2": - dec_message = priv_decrypt(curauth[3]) - splitmes = dec_message.split("#") - |