LittleNellie/cipherscan
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report cipher ordering in scanning stats, use it to simulate handshakes

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since now we know if server honours client order or not, we can use it
to properly simulate handshakes for a given client, also report
the general stats of this server configuration variable
This commit is contained in:
Hubert Kario 2014-07-01 00:01:32 +02:00 committed by Hubert Kario
parent 42fa7d9ecb
commit c82bc44558
1 changed files with 36 additions and 4 deletions
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40
top1m/parse_results.py
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@ -54,6 +54,7 @@ FF_RC4_Only_cipherstats = defaultdict(int)
FF_RC4_preferred_cipherstats = defaultdict(int) FF_RC4_preferred_cipherstats = defaultdict(int)
FF_incompatible_cipherstats = defaultdict(int) FF_incompatible_cipherstats = defaultdict(int)
FF_selected_cipherstats = defaultdict(int) FF_selected_cipherstats = defaultdict(int)
cipherordering = defaultdict(int)
pfsstats = defaultdict(int) pfsstats = defaultdict(int)
protocolstats = defaultdict(int) protocolstats = defaultdict(int)
handshakestats = defaultdict(int) handshakestats = defaultdict(int)
@ -87,6 +88,7 @@ for r,d,flist in os.walk(path):
RC4_Only_FF = True RC4_Only_FF = True
FF_compat = False FF_compat = False
temp_FF_incompat = {} temp_FF_incompat = {}
list_of_ciphers = []
FF_RC4_Pref = None FF_RC4_Pref = None
FF_selected = None FF_selected = None
ADH = False ADH = False
@ -128,15 +130,13 @@ for r,d,flist in os.walk(path):
if 'False' in entry['trusted'] and report_untrused == False: if 'False' in entry['trusted'] and report_untrused == False:
continue continue
list_of_ciphers.append(entry['cipher'])
# check if the advertised ciphers are not effectively RC4 Only # check if the advertised ciphers are not effectively RC4 Only
# for firefox or incompatible with firefox # for firefox or incompatible with firefox
if entry['cipher'] in firefox_ciphers: if entry['cipher'] in firefox_ciphers:
# if this is first cipher and we already are getting RC4 # if this is first cipher and we already are getting RC4
# then it means that RC4 is preferred # then it means that RC4 is preferred
if not FF_compat:
FF_selected = entry['cipher']
if 'RC4' in entry['cipher']:
FF_RC4_Pref = True
FF_compat = True FF_compat = True
if not 'RC4' in entry['cipher']: if not 'RC4' in entry['cipher']:
RC4_Only_FF = False RC4_Only_FF = False
@ -270,6 +270,32 @@ for r,d,flist in os.walk(path):
if dualstack: if dualstack:
dsarsastack += 1 dsarsastack += 1
""" save cipher ordering """
if 'serverside' in results:
if results['serverside'] == "False":
cipherordering['Client side'] += 1
else:
cipherordering['Server side'] += 1
else:
cipherordering['Unknown'] += 1
""" simulate handshake with Firefox """
if FF_compat:
if 'serverside' in results and results['serverside'] == "False":
for cipher in firefox_ciphers:
if cipher in list_of_ciphers:
FF_selected = cipher
if 'RC4' in cipher:
FF_RC4_Pref = True
break
else:
for cipher in list_of_ciphers:
if cipher in firefox_ciphers:
FF_selected = cipher
if 'RC4' in cipher:
FF_RC4_Pref = True
break
for s in tempsigstats: for s in tempsigstats:
sigalg[s] += 1 sigalg[s] += 1
@ -413,6 +439,12 @@ for stat in sorted(cipherstats):
percent = round(cipherstats[stat] / total * 100, 4) percent = round(cipherstats[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(cipherstats[stat]).ljust(10) + str(percent).ljust(4) + "\n") sys.stdout.write(stat.ljust(25) + " " + str(cipherstats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\nCipher ordering Count Percent")
print("-------------------------+---------+-------")
for stat in sorted(cipherordering):
percent = round(cipherordering[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(cipherordering[stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\nFF 29 selected ciphers Count Percent") print("\nFF 29 selected ciphers Count Percent")
print("-----------------------------+---------+------") print("-----------------------------+---------+------")
for stat in sorted(FF_selected_cipherstats): for stat in sorted(FF_selected_cipherstats):