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# Copyright (C) Jean-Paul Calderone
# See LICENSE for details.
import sys
from OpenSSL.crypto import TYPE_DSA, Error, PKey, X509
class Checker_X509_get_pubkey(object):
"""
Leak checks for L{X509.get_pubkey}.
"""
def __init__(self, iterations):
self.iterations = iterations
def check_exception(self):
"""
Call the method repeatedly such that it will raise an exception.
"""
for i in xrange(self.iterations):
cert = X509()
try:
cert.get_pubkey()
except Error:
pass
def check_success(self):
"""
Call the method repeatedly such that it will return a PKey object.
"""
small = xrange(3)
for i in xrange(self.iterations):
key = PKey()
key.generate_key(TYPE_DSA, 256)
for i in small:
cert = X509()
cert.set_pubkey(key)
for i in small:
cert.get_pubkey()
def vmsize():
return [x for x in file('/proc/self/status').readlines() if 'VmSize' in x]
def main(iterations='1000'):
iterations = int(iterations)
for klass in globals():
if klass.startswith('Checker_'):
klass = globals()[klass]
print klass
checker = klass(iterations)
for meth in dir(checker):
if meth.startswith('check_'):
print '\t', meth, vmsize(), '...',
getattr(checker, meth)()
print vmsize()
if __name__ == '__main__':
main(*sys.argv[1:])
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