upstream/mercurial-mirror Files · tests/test-wireproto.py

sslutil: synchronize hostname matching logic with CPython...

sslutil: synchronize hostname matching logic with CPython sslutil contains its own hostname matching logic. CPython has code for the same intent. However, it is only available to Python 2.7.9+ (or distributions that have backported 2.7.9's ssl module improvements). This patch effectively imports CPython's hostname matching code from its ssl.py into sslutil.py. The hostname matching code itself is pretty similar. However, the DNS name matching code is much more robust and spec conformant. As the test changes show, this changes some behavior around wildcard handling and IDNA matching. The new behavior allows wildcards in the middle of words (e.g. 'f*.com' matches 'foo.com') This is spec compliant according to RFC 6125 Section 6.5.3 item 3. There is one test where the matcher is more strict. Before, '*.a.com' matched '.a.com'. Now it doesn't match. Strictly speaking this is a security vulnerability.

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      from __future__ import absolute_import, print_function

      from mercurial import (

          util,

          wireproto,

      )

      stringio = util.stringio

      class proto(object):

          def __init__(self, args):

              self.args = args

          def getargs(self, spec):

              args = self.args

              args.setdefault('*', {})

              names = spec.split()

              return [args[n] for n in names]

      class clientpeer(wireproto.wirepeer):

          def __init__(self, serverrepo):

              self.serverrepo = serverrepo

          def _capabilities(self):

              return ['batch']

          def _call(self, cmd, **args):

              return wireproto.dispatch(self.serverrepo, proto(args), cmd)

          def _callstream(self, cmd, **args):

              return stringio(self._call(cmd, **args))

          @wireproto.batchable

          def greet(self, name):

              f = wireproto.future()

              yield {'name': mangle(name)}, f

              yield unmangle(f.value)

      class serverrepo(object):

          def greet(self, name):

              return "Hello, " + name

          def filtered(self, name):

              return self

      def mangle(s):

          return ''.join(chr(ord(c) + 1) for c in s)

      def unmangle(s):

          return ''.join(chr(ord(c) - 1) for c in s)

      def greet(repo, proto, name):

          return mangle(repo.greet(unmangle(name)))

      wireproto.commands['greet'] = (greet, 'name',)

      srv = serverrepo()

      clt = clientpeer(srv)

      print(clt.greet("Foobar"))

      b = clt.batch()

      fs = [b.greet(s) for s in ["Fo, =;:<o", "Bar"]]

      b.submit()

      print([f.value for f in fs])

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				from __future__ import absolute_import, print_function

				from mercurial import (
				util,
				wireproto,
				)
				stringio = util.stringio

				class proto(object):
				def __init__(self, args):
				self.args = args
				def getargs(self, spec):
				args = self.args
				args.setdefault('*', {})
				names = spec.split()
				return [args[n] for n in names]

				class clientpeer(wireproto.wirepeer):
				def __init__(self, serverrepo):
				self.serverrepo = serverrepo

				def _capabilities(self):
				return ['batch']

				def _call(self, cmd, **args):
				return wireproto.dispatch(self.serverrepo, proto(args), cmd)

				def _callstream(self, cmd, **args):
				return stringio(self._call(cmd, **args))

				@wireproto.batchable
				def greet(self, name):
				f = wireproto.future()
				yield {'name': mangle(name)}, f
				yield unmangle(f.value)

				class serverrepo(object):
				def greet(self, name):
				return "Hello, " + name

				def filtered(self, name):
				return self

				def mangle(s):
				return ''.join(chr(ord(c) + 1) for c in s)
				def unmangle(s):
				return ''.join(chr(ord(c) - 1) for c in s)

				def greet(repo, proto, name):
				return mangle(repo.greet(unmangle(name)))

				wireproto.commands['greet'] = (greet, 'name',)

				srv = serverrepo()
				clt = clientpeer(srv)

				print(clt.greet("Foobar"))
				b = clt.batch()
				fs = [b.greet(s) for s in ["Fo, =;:<o", "Bar"]]
				b.submit()
				print([f.value for f in fs])