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Commit 676f4d0e3a7b authored by Gregory Szorc's avatar Gregory Szorc
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tests: import CPython's hostname matching tests

CPython has a more comprehensive test suite for it's built-in hostname
matching functionality. This patch adds its tests so we can improve
our hostname matching functionality.

Many of the tests have different results from CPython. These will be
addressed in a subsequent commit.
parent 66c709b5af4b
No related merge requests found
# coding=utf-8
from __future__ import absolute_import, print_function
import doctest
......@@ -63,6 +64,177 @@
check(_verifycert(cert(u'\u4f8b.jp'), 'example.jp'),
'IDN in certificate not supported')
# The following tests are from CPython's test_ssl.py.
check(_verifycert(cert('example.com'), 'example.com'), None)
check(_verifycert(cert('example.com'), 'ExAmple.cOm'), None)
check(_verifycert(cert('example.com'), 'www.example.com'),
'certificate is for example.com')
check(_verifycert(cert('example.com'), '.example.com'),
'certificate is for example.com')
check(_verifycert(cert('example.com'), 'example.org'),
'certificate is for example.com')
check(_verifycert(cert('example.com'), 'exampleXcom'),
'certificate is for example.com')
check(_verifycert(cert('*.a.com'), 'foo.a.com'), None)
check(_verifycert(cert('*.a.com'), 'bar.foo.a.com'),
'certificate is for *.a.com')
check(_verifycert(cert('*.a.com'), 'a.com'),
'certificate is for *.a.com')
check(_verifycert(cert('*.a.com'), 'Xa.com'),
'certificate is for *.a.com')
check(_verifycert(cert('*.a.com'), '.a.com'), None)
# only match one left-most wildcard
check(_verifycert(cert('f*.com'), 'foo.com'),
'certificate is for f*.com')
check(_verifycert(cert('f*.com'), 'f.com'),
'certificate is for f*.com')
check(_verifycert(cert('f*.com'), 'bar.com'),
'certificate is for f*.com')
check(_verifycert(cert('f*.com'), 'foo.a.com'),
'certificate is for f*.com')
check(_verifycert(cert('f*.com'), 'bar.foo.com'),
'certificate is for f*.com')
# NULL bytes are bad, CVE-2013-4073
check(_verifycert(cert('null.python.org\x00example.org'),
'null.python.org\x00example.org'), None)
check(_verifycert(cert('null.python.org\x00example.org'),
'example.org'),
'certificate is for null.python.org\x00example.org')
check(_verifycert(cert('null.python.org\x00example.org'),
'null.python.org'),
'certificate is for null.python.org\x00example.org')
# error cases with wildcards
check(_verifycert(cert('*.*.a.com'), 'bar.foo.a.com'),
'certificate is for *.*.a.com')
check(_verifycert(cert('*.*.a.com'), 'a.com'),
'certificate is for *.*.a.com')
check(_verifycert(cert('*.*.a.com'), 'Xa.com'),
'certificate is for *.*.a.com')
check(_verifycert(cert('*.*.a.com'), '.a.com'),
'certificate is for *.*.a.com')
check(_verifycert(cert('a.*.com'), 'a.foo.com'),
'certificate is for a.*.com')
check(_verifycert(cert('a.*.com'), 'a..com'),
'certificate is for a.*.com')
check(_verifycert(cert('a.*.com'), 'a.com'),
'certificate is for a.*.com')
# wildcard doesn't match IDNA prefix 'xn--'
idna = u'püthon.python.org'.encode('idna').decode('ascii')
check(_verifycert(cert(idna), idna), None)
check(_verifycert(cert('x*.python.org'), idna),
'certificate is for x*.python.org')
check(_verifycert(cert('xn--p*.python.org'), idna),
'certificate is for xn--p*.python.org')
# wildcard in first fragment and IDNA A-labels in sequent fragments
# are supported.
idna = u'www*.pythön.org'.encode('idna').decode('ascii')
check(_verifycert(cert(idna),
u'www.pythön.org'.encode('idna').decode('ascii')),
'certificate is for www*.xn--pythn-mua.org')
check(_verifycert(cert(idna),
u'www1.pythön.org'.encode('idna').decode('ascii')),
'certificate is for www*.xn--pythn-mua.org')
check(_verifycert(cert(idna),
u'ftp.pythön.org'.encode('idna').decode('ascii')),
'certificate is for www*.xn--pythn-mua.org')
check(_verifycert(cert(idna),
u'pythön.org'.encode('idna').decode('ascii')),
'certificate is for www*.xn--pythn-mua.org')
c = {
'notAfter': 'Jun 26 21:41:46 2011 GMT',
'subject': (((u'commonName', u'linuxfrz.org'),),),
'subjectAltName': (
('DNS', 'linuxfr.org'),
('DNS', 'linuxfr.com'),
('othername', '<unsupported>'),
)
}
check(_verifycert(c, 'linuxfr.org'), None)
check(_verifycert(c, 'linuxfr.com'), None)
# Not a "DNS" entry
check(_verifycert(c, '<unsupported>'),
'certificate is for linuxfr.org, linuxfr.com')
# When there is a subjectAltName, commonName isn't used
check(_verifycert(c, 'linuxfrz.org'),
'certificate is for linuxfr.org, linuxfr.com')
# A pristine real-world example
c = {
'notAfter': 'Dec 18 23:59:59 2011 GMT',
'subject': (
((u'countryName', u'US'),),
((u'stateOrProvinceName', u'California'),),
((u'localityName', u'Mountain View'),),
((u'organizationName', u'Google Inc'),),
((u'commonName', u'mail.google.com'),),
),
}
check(_verifycert(c, 'mail.google.com'), None)
check(_verifycert(c, 'gmail.com'), 'certificate is for mail.google.com')
# Only commonName is considered
check(_verifycert(c, 'California'), 'certificate is for mail.google.com')
# Neither commonName nor subjectAltName
c = {
'notAfter': 'Dec 18 23:59:59 2011 GMT',
'subject': (
((u'countryName', u'US'),),
((u'stateOrProvinceName', u'California'),),
((u'localityName', u'Mountain View'),),
((u'organizationName', u'Google Inc'),),
),
}
check(_verifycert(c, 'mail.google.com'),
'no commonName or subjectAltName found in certificate')
# No DNS entry in subjectAltName but a commonName
c = {
'notAfter': 'Dec 18 23:59:59 2099 GMT',
'subject': (
((u'countryName', u'US'),),
((u'stateOrProvinceName', u'California'),),
((u'localityName', u'Mountain View'),),
((u'commonName', u'mail.google.com'),),
),
'subjectAltName': (('othername', 'blabla'),),
}
check(_verifycert(c, 'mail.google.com'), None)
# No DNS entry subjectAltName and no commonName
c = {
'notAfter': 'Dec 18 23:59:59 2099 GMT',
'subject': (
((u'countryName', u'US'),),
((u'stateOrProvinceName', u'California'),),
((u'localityName', u'Mountain View'),),
((u'organizationName', u'Google Inc'),),
),
'subjectAltName': (('othername', 'blabla'),),
}
check(_verifycert(c, 'google.com'),
'no commonName or subjectAltName found in certificate')
# Empty cert / no cert
check(_verifycert(None, 'example.com'), 'no certificate received')
check(_verifycert({}, 'example.com'), 'no certificate received')
# avoid denials of service by refusing more than one
# wildcard per fragment.
check(_verifycert({'subject': (((u'commonName', u'a*b.com'),),)},
'axxb.com'), 'certificate is for a*b.com')
check(_verifycert({'subject': (((u'commonName', u'a*b.co*'),),)},
'axxb.com'), 'certificate is for a*b.co*')
check(_verifycert({'subject': (((u'commonName', u'a*b*.com'),),)},
'axxbxxc.com'), 'certificate is for a*b*.com')
def test_url():
"""
>>> from mercurial.util import url
......
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