upstream/mercurial-mirror Files · tests/md5sum.py

sslutil: prevent CRIME...

sslutil: prevent CRIME ssl.create_default_context() disables compression on the TLS channel in order to prevent CRIME. I think we should follow CPython's lead and attempt to disable channel compression in order to help prevent information leakage. Sadly, I don't think there is anything we can do on Python versions that don't have an SSLContext, as there is no way to set channel options with the limited ssl API.

Pulkit Goyal - - Load All Authors

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             md5sum.py
        
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      #!/usr/bin/env python

      #

      # Based on python's Tools/scripts/md5sum.py

      #

      # This software may be used and distributed according to the terms

      # of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is

      # GPL-compatible.

      from __future__ import absolute_import

      import os

      import sys

      try:

          import hashlib

          md5 = hashlib.md5

      except ImportError:

          import md5

          md5 = md5.md5

      try:

          import msvcrt

          msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

          msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)

      except ImportError:

          pass

      for filename in sys.argv[1:]:

          try:

              fp = open(filename, 'rb')

          except IOError as msg:

              sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))

              sys.exit(1)

          m = md5()

          try:

              while True:

                  data = fp.read(8192)

                  if not data:

                      break

                  m.update(data)

          except IOError as msg:

              sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))

              sys.exit(1)

          sys.stdout.write('%s  %s\n' % (m.hexdigest(), filename))

      sys.exit(0)

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				#!/usr/bin/env python
				#
				# Based on python's Tools/scripts/md5sum.py
				#
				# This software may be used and distributed according to the terms
				# of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is
				# GPL-compatible.

				from __future__ import absolute_import

				import os
				import sys

				try:
				import hashlib
				md5 = hashlib.md5
				except ImportError:
				import md5
				md5 = md5.md5

				try:
				import msvcrt
				msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
				msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
				except ImportError:
				pass

				for filename in sys.argv[1:]:
				try:
				fp = open(filename, 'rb')
				except IOError as msg:
				sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
				sys.exit(1)

				m = md5()
				try:
				while True:
				data = fp.read(8192)
				if not data:
				break
				m.update(data)
				except IOError as msg:
				sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
				sys.exit(1)
				sys.stdout.write('%s %s\n' % (m.hexdigest(), filename))

				sys.exit(0)