MPA: Improving the summaries given by the test script.

This commit is contained in:
Cas Cremers 2010-11-11 11:16:59 +01:00
parent 01eb5854cf
commit 65074352c3

View File

@ -48,6 +48,7 @@ http://code.google.com/p/python-progressbar/
"""
FOUND = []
def MyScyther(protocollist,filt=None,options=None):
"""
@ -113,8 +114,12 @@ def verifyMPAlist(mpalist,claimid,options=None):
claim = s.getClaim(claimid)
if claim:
if not claim.okay:
global FOUND
# This is an MPA attack!
print "I've found a multi-protocol attack on claim %s in the context %s." % (claimid,str(mpalist))
FOUND.append((claimid,mpalist))
return False
else:
return True
@ -168,9 +173,13 @@ def findAllMPA(protocolset,maxcount=3,options=None):
Given a set of protocols, find multi-protocol attacks
"""
global FOUND
FOUND = []
# Find all correct claims in each protocol
(protocolset,correct) = getCorrectIsolatedClaims(protocolset,options)
print "We found %i correct claims." % (len(correct))
print "Investigating %i correct claims." % (len(correct))
# For all these claims...
widgets = ['Scanning for MPA attacks: ', Percentage(), ' ',
Bar(marker='#',left='[',right=']')
@ -185,6 +194,27 @@ def findAllMPA(protocolset,maxcount=3,options=None):
pbar.update(count)
pbar.finish()
"""
The below computation assumes protocol names are unique to files, but if
they are not, some other errors should have been reported by the Scyther
backend anyway (conflicting protocol definitions in MPA analysis).
"""
mpaprots = []
for (claimid,mpalist) in FOUND:
pel = claimid.split(",")
pn = pel[0]
if pn not in mpaprots:
mpaprots.append(pn)
print "-" * 70
print "Summary:"
print
print "We scanned %i protocols with options [%s]." % (len(protocolset),options)
print "We found %i correct claims." % (len(correct))
print "We found %i MPA attacks with a maximum of %i protocols." % (len(FOUND),maxcount)
print "The attacks involve the claims of %i protocols." % (len(mpaprots))
print "-" * 70
def bigTest():
"""