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authorThomas Kriechbaumer <thomas@kriechbaumer.name>2015-06-22 20:39:30 +0200
committerThomas Kriechbaumer <thomas@kriechbaumer.name>2015-06-22 20:39:34 +0200
commit58118d607e810e95fe8a0c0e6d7b8f4423f1f558 (patch)
tree8d0a13dc9839193b099344c616b5abcebb7a24b5 /netlib/tcp.py
parent2aa1b98fbf8d03005e022da86e3e534cf25ebf62 (diff)
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unify SSL version/method handling
Diffstat (limited to 'netlib/tcp.py')
-rw-r--r--netlib/tcp.py25
1 files changed, 18 insertions, 7 deletions
diff --git a/netlib/tcp.py b/netlib/tcp.py
index 77eb7b52..705cc311 100644
--- a/netlib/tcp.py
+++ b/netlib/tcp.py
@@ -16,13 +16,24 @@ from . import certutils
EINTR = 4
-SSLv2_METHOD = SSL.SSLv2_METHOD
-SSLv3_METHOD = SSL.SSLv3_METHOD
-SSLv23_METHOD = SSL.SSLv23_METHOD
-TLSv1_METHOD = SSL.TLSv1_METHOD
-TLSv1_1_METHOD = SSL.TLSv1_1_METHOD
-TLSv1_2_METHOD = SSL.TLSv1_2_METHOD
+# To enable all SSL methods use: SSLv23
+# then add options to disable certain methods
+# https://bugs.launchpad.net/pyopenssl/+bug/1020632/comments/3
+# Use ONLY for parsing of CLI arguments!
+# All code internals should use OpenSSL constants directly!
+SSL_VERSIONS = {
+ 'TLSv1.2': SSL.TLSv1_2_METHOD,
+ 'TLSv1.1': SSL.TLSv1_1_METHOD,
+ 'TLSv1': SSL.TLSv1_METHOD,
+ 'SSLv3': SSL.SSLv3_METHOD,
+ 'SSLv2': SSL.SSLv2_METHOD,
+ 'SSLv23': SSL.SSLv23_METHOD,
+}
+
+SSL_DEFAULT_VERSION = 'SSLv23'
+
+SSL_DEFAULT_METHOD = SSL_VERSIONS[SSL_DEFAULT_VERSION]
SSL_DEFAULT_OPTIONS = (
SSL.OP_NO_SSLv2 |
@@ -376,7 +387,7 @@ class _Connection(object):
pass
def _create_ssl_context(self,
- method=SSLv23_METHOD,
+ method=SSL_DEFAULT_METHOD,
options=SSL_DEFAULT_OPTIONS,
verify_options=SSL.VERIFY_NONE,
ca_path=certifi.where(),