sandbox -> .graveyard

1 files changed, 0 insertions, 349 deletions

diff --git a/sandbox/tinc_multicast/retiolum.py b/sandbox/tinc_multicast/retiolum.py
deleted file mode 100755
index 8cf57471..00000000
--- a/sandbox/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("#")
-                    if splitmes[0] == "":
-                        encrypted_message = pub_encrypt(splitmes[1], "#" + splitmes[2] + "#")
-                        if encrypted_message == -1:
-                            logging.error("auth: RSA Encryption Error")
-                        else:
-                            sendtext = "#Stage3#" + netname + "#" + curauth[1] + "#" + encrypted_message  + "#"
-                            sendfifo.put(sendtext)
-                            logging.info("auth: got Stage2 sending now Stage3")
-                            logging.debug("auth: " + sendtext)
-    
-                if curauth[0] == "Stage3":
-                    line = findhostinlist(authlist, curauth[1], curauth[2])
-                    if line != -1:
-                        dec_message = priv_decrypt(curauth[3])
-                        splitmes = dec_message.split("#")
-                        logging.info("auth: checking challenge")
-                        if splitmes[0] == "":
-                            if splitmes[1] == str(authlist[line][2]):
-                                timeoutfifo.put(["add", curauth[1], curauth[2]])
-                                del authlist[line]
-                                logging.info("auth: Stage3 checked, sending now to timeout")
-                            else: logging.error("auth: challenge checking failed")
-                        else: logging.error("auth: decryption failed")
-    
-            else:
-                i = 0
-                while i < len(authlist):
-                    if time.time() - authlist[i][3] > 120:
-                        del authlist[i]
-                        logging.info("auth: deleting timeoutet auth")
-                    else:
-                        i += 1
-                time.sleep(1)
-        except:
-            logging.error("auth: thread crashed")
-
-def process_start(): #starting of the process
-    #download and untar hostfile
-    logging.info("downloading hostfiles")
-    get_hostfiles("http://vpn.miefda.org/hosts.tar.gz", "http://vpn.miefda.org/hosts.md5") #Currently Hardcoded, should be editable by config or parameter
-    tar = subprocess.call(["tar -xzf /etc/tinc/" + netname + "/hosts/hosts.tar.gz -C /etc/tinc/" + netname + "/hosts/"], shell=True)
-    
-    #initialize fifos
-    sendfifo = Queue.Queue() #sendtext
-    authfifo = Queue.Queue() #Stage{1, 2, 3} hostname ip enc_data
-    timeoutfifo = Queue.Queue() #State{tst, add} hostname ip
-    
-    #start threads
-    thread_recv = thread.start_new_thread(recvthread, (timeoutfifo, authfifo))
-    thread_send = thread.start_new_thread(sendthread, (sendfifo, option.ghost))
-    thread_timeout = thread.start_new_thread(timeoutthread, (timeoutfifo, authfifo)) 
-    thread_auth = thread.start_new_thread(auththread, (authfifo, sendfifo, timeoutfifo))
-
-def process_restart(signum, frame):
-    logging.error("root: restarting process")
-    with hostslock:
-        del hostslist[:]
-        #download and untar hostfile
-        logging.info("downloading hostfiles")
-        get_hostfiles("http://vpn.miefda.org/hosts.tar.gz", "http://vpn.miefda.org/hosts.md5") #Currently Hardcoded, should be editable by config or parameter
-        tar = subprocess.call(["tar -xzf /etc/tinc/" + netname + "/hosts/hosts.tar.gz -C /etc/tinc/" + netname + "/hosts/"], shell=True)
-
-    logging.info("sending SIGHUP")
-    tincd_ALRM = subprocess.call(["tincd -n " + netname + " --kill=HUP" ],shell=True)
-
-def kill_process(signum, frame):
-    logging.error("got SIGINT/SIGTERM exiting now")
-    os.remove("/var/lock/retiolum." + netname)
-    if option.tinc != False:
-        stop_tincd = subprocess.call(["tincd -n " + netname + " -k"],shell=True)
-    sys.exit(0)
-
-#Program starts here!
-
-parser = OptionParser()
-parser.add_option("-n", "--netname", dest="netname", help="the netname of the tinc network")
-parser.add_option("-H", "--hostname", dest="hostname", default="default", help="your nodename, if not given, it will try too read it from tinc.conf")
-parser.add_option("-t", "--timeout", dest="timeout", default=65536, help="timeout after retiolum gets restartet, default is 65536")
-parser.add_option("-d", "--debug", dest="debug", default="0", help="debug level: 0,1,2,3  if empty debug level=0")
-parser.add_option("-g", "--ghost", action="store_true", dest="ghost", default=False, help="deactivates active sending, keeps you anonymous in the public network")
-parser.add_option("-T", "--Tinc", action="store_true", dest="tinc", default=False, help="starts tinc with this script")
-(option, args) = parser.parse_args()
-
-if option.netname == None:
-    parser.error("Netname is required, use -h for help!")
-if option.hostname == "default":
-    option.hostname = getHostname(option.netname)
-
-hostname = option.hostname
-netname = option.netname
-hostslist = []
-hostslock = thread.allocate_lock()
-
-#set process name
-if not os.path.exists("/var/lock/retiolum." + netname):
-    pidfile = open("/var/lock/retiolum." + netname, "w")
-    pidfile.write(str(os.getpid())) 
-    pidfile.close()
-else:
-    logging.error("pidfile already exists")
-    sys.exit(0)
-
-#Logging stuff
-LEVELS = {'3' : logging.DEBUG,
-          '2' : logging.INFO,
-          '1' : logging.ERROR,
-          '0' : logging.CRITICAL}
-
-level_name = option.debug
-level = LEVELS.get(level_name, logging.NOTSET)
-logging.basicConfig(level=level)
-
-#normally tinc doesnt start with retiolum
-if option.tinc != False: 
-    start_tincd = subprocess.call(["tincd -n " + netname ],shell=True)
-
-process_start()
-
-signal.signal(signal.SIGTERM, kill_process)
-signal.signal(signal.SIGINT, kill_process)
-signal.signal(signal.SIGUSR1, process_restart)
-
-while True:
-    time.sleep(float(option.timeout))
-    process_restart(0, 0)