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-rwxr-xr-x.scripts/retiolum.py100
1 files changed, 52 insertions, 48 deletions
diff --git a/.scripts/retiolum.py b/.scripts/retiolum.py
index 044fe5c8..6f1064e2 100755
--- a/.scripts/retiolum.py
+++ b/.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!