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#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
import os
from josef_lib import *
# from josef_lib2 import *
# import leveldb
# import argparse
import json
import time
# from josef_leveldb import *
from datetime import datetime as dt
# from josef_monitor import verify_inclusion_by_hash
from monitor_conf import *
def is_new_timestamp(ts):
MAX_TIMEDIFF = 300 # 5 min, allows for some clock skew
ts_time = datetime.datetime.fromtimestamp(ts / 1000, UTC()).strftime('%Y-%m-%d %H:%M:%S')
start_time = datetime.datetime.utcnow().strftime('2015-10-19 00:00:00')
# delta_time = datetime.datetime.strptime(start_time, '%Y-%m-%d %H:%M:%S') - datetime.datetime.strptime(ts_time, '%Y-%m-%d %H:%M:%S')
# print delta_time.seconds
if ts_time < start_time:
return False
else:
return True
def check_inclusion_by_submission(first, last, source, dests):
# print entries
for s_log in source:
try:
entries = []
while len(entries) <= last - first:
print "Getting " + str(first + len(entries)) + " to " + str(last)
entries += get_entries(s_log["url"], first + len(entries), last)["entries"]
# print "Fetched entries up to " + str(len(first + len(entries)))
except:
print "Failed to get entries from " + s_log["name"]
for i in range(len(entries)):
item = entries[i]
inclusions = []
for d_log in dests:
try:
entry = extract_original_entry(item)
if entry[2]:
precert = True
else:
precert = False
submission = []
for e in entry[0]:
submission.append(base64.b64encode(e))
if entry[2]:
res = add_prechain(d_log["url"], {"chain" : submission})
else:
res = add_chain(d_log["url"], {"chain" : submission})
# print_reply(res, entry)
print res
if not is_new_timestamp(res["timestamp"]):
inclusions.append(d_log["name"])
except KeyboardInterrupt:
sys.exit()
except Exception ,e:
print Exception, e
pass
s = s_log["name"] + "[" + str(first + i) + "] found in " + str(len(inclusions)) + " logs: " + str(inclusions)
print s
# log(logfile, s)
time.sleep(1)
def update_roots(log):
roots_hash = None
roots = get_all_roots(log["url"])
new_roots_hash = str(hash(str(roots)))
if new_roots_hash != roots_hash:
cert_dir = OUTPUT_DIR + log["name"] + "-roots"
if not os.path.exists(cert_dir):
os.makedirs(cert_dir)
hash_list = []
for cert in roots:
h = str(hash(str(cert)))
hash_list.append(h)
loaded_list = os.listdir(cert_dir)
added, removed = compare_lists(hash_list[:-1], loaded_list)
# TODO log changes
if len(added) != 0:
print str(len(added)) + " new roots found!"
if len(removed) != 0:
print str(len(removed)) + " roots removed!"
for item in removed:
data = open(cert_dir + "/" + item).read()
root_cert = base64.decodestring(data)
subject = get_cert_info(root_cert)["subject"]
issuer = get_cert_info(root_cert)["issuer"]
if subject == issuer:
print "Removed Root: " + item + ", " + subject
else:
print "WTF? Not a root..."
for item in added:
root_cert = base64.decodestring(roots[hash_list.index(item)])
subject = get_cert_info(root_cert)["subject"]
issuer = get_cert_info(root_cert)["issuer"]
if subject == issuer:
print "New Root: " + item + ", " + subject
else:
print "WTF? Not a root..."
fn = cert_dir + "/" + item
tempname = fn + ".new"
data = roots[hash_list.index(item)]
open(tempname, 'w').write(data)
mv_file(tempname, fn)
def parse_entry(e, idx, log):
# print the following fields, separated by sep
sep = ";;;"
s = log["name"]
s += sep + str(idx) # index
s += sep + str(e["timestamp"])
s += sep + e["serial"] # cert serial number
s += sep + e["subject"] # Subject
if "SAN" in e:
s += sep + e["SAN"] # SAN
else:
s += sep
s += sep + e["issuer"] # issuer
s += sep + e["chain_length"] # path length
s += sep + e["sig_algorithm"] # Signature algothithm
s += sep + e["pubkey_algorithm"] # pubkey algorithm
try:
s += sep + e["keylength"]
except:
s += sep
print "\nERROR: COUND NOT FIND KEYLENGTH!"
print str(e)
s += sep + e["not_before"] # valid from
s += sep + e["not_after"] # valid to
s += sep + e["validation"] # EV?
s += sep + e["in_mozilla"] # chains to mozilla root?
s += sep + e["ca"]
return s
# def check_api2(url):
# print "\nTesting " + url
# try:
# print get_sth_v2(url)
# except:
# print "GET STH Failed..."
if __name__ == '__main__':
# prompt_confirm("you are about to remove file")
# Find let's encrypt certs
if False:
CHUNK = 1000
log = CTLOGS[1]
sth = get_sth(log["url"])
size = int(sth["tree_size"])
for i in range(0,100):
start = size - (i + 1) * CHUNK
end = size - i * CHUNK
print "Getting " + str(start) + " to " + str(end)
entries = get_entries(log["url"],start ,end - 1)["entries"]
for entry in entries:
res = check_domain(entry)
issuer = res["issuer"]
if "Encrypt" in issuer:
print res
# Experimental
if False:
log = CTLOGS[2]
entries = get_entries(log["url"],187851 ,187851)["entries"]
entry = entries[0]
# print extract_original_entry(entry)[1]
# print check_domain_all(entry)
res = check_domain_extended(entry)
# print res
print parse_entry(res,0,log)
# Data gathering for Niklas
if True:
logs = [CTLOGS[9]] #,CTLOGS[4],CTLOGS[7],CTLOGS[8],CTLOGS[9]]
for log in logs:
filename = log["name"] + "_content.txt"
if os.path.exists(filename):
if prompt_confirm("You are about to overwrite " + filename):
os.remove(filename)
else:
continue
sth = get_sth(log["url"])
start = 0
idx = 0
end = int(sth["tree_size"]) - 1
while start + idx < end:
entries = get_entries(log["url"],start + idx ,end)["entries"]
print time_str() + " " + log["name"] + ": Got " + str(start + idx) + " to " + str(start + idx + len(entries) - 1)
with open(filename, 'a') as f:
for i in range(len(entries)):
entry = entries[i]
res = check_domain_extended(entry)
string = parse_entry(res, i + start + idx, log)
f.write(string + "\n")
idx += len(entries)
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