diff options
Diffstat (limited to 'retiolum')
| -rwxr-xr-x | retiolum/hosts/.scripts/retiolum.py | 100 |
1 files changed, 52 insertions, 48 deletions
diff --git a/retiolum/hosts/.scripts/retiolum.py b/retiolum/hosts/.scripts/retiolum.py index 044fe5c8..6f1064e2 100755 --- a/retiolum/hosts/.scripts/retiolum.py +++ b/retiolum/hosts/.scripts/retiolum.py @@ -3,6 +3,7 @@ import sys, os, time, socket, subprocess, thread, random, Queue, binascii, loggi from optparse import OptionParser def pub_encrypt(netname, hostname_t, text): #encrypt data with public key + logging.debug("encrypt: " + text) try: enc_text = subprocess.os.popen("echo '" + text + "' | openssl rsautl -pubin -inkey /etc/tinc/" + netname + "/hosts/.pubkeys/" + hostname_t + " -encrypt | base64") return(enc_text.read()) @@ -193,61 +194,64 @@ def auththread(netname, hostname, authfifo, sendfifo, timeoutfifo): #manages aut while True: - 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(netname, curauth[1], "#" + hostname + "#" + str(challengenum) + "#") - authlist.append([curauth[1], curauth[2], challengenum, time.time()]) - else: - encrypted_message = pub_encrypt(netname, 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(netname, curauth[3]) - splitmes = dec_message.split("#") - if splitmes[0] == "": - encrypted_message = pub_encrypt(netname, splitmes[1], "#" + splitmes[2] + "#") + 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(netname, curauth[1], "#" + hostname + "#" + str(challengenum) + "#") + authlist.append([curauth[1], curauth[2], challengenum, time.time()]) + else: + encrypted_message = pub_encrypt(netname, authlist[line][0], "#" + hostname + "#" + str(authlist[line][2]) + "#") if encrypted_message == -1: - logging.error("auth: RSA Encryption Error") + logging.info("auth: RSA Encryption Error") else: - sendtext = "#Stage3#" + netname + "#" + curauth[1] + "#" + encrypted_message + "#" + sendtext = "#Stage2#" + netname + "#" + curauth[1] + "#" + encrypted_message + "#" sendfifo.put(sendtext) - logging.info("auth: got Stage2 sending now Stage3") + logging.info("auth: got Stage1 sending now Stage2") logging.debug("auth: " + sendtext) - - if curauth[0] == "Stage3": - line = findhostinlist(authlist, curauth[1], curauth[2]) - if line != -1: + + if curauth[0] == "Stage2": dec_message = priv_decrypt(netname, 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) + encrypted_message = pub_encrypt(netname, 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(netname, 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") #Program starts here! |