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Set SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER in calling OpenSSL #1287

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Set SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER in calling OpenSSL #1287

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23e9e11
Fix for problem caused by SSL_WANT_READ or SSL_WANT_WRITE errors.
julianz- Aug 18, 2023
2e91054
Removed check that is redundant with higher version of cryptography
julianz- Jan 28, 2024
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17 changes: 17 additions & 0 deletions CHANGELOG.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,23 @@ Changelog
Versions are year-based with a strict backward-compatibility policy.
The third digit is only for regressions.

24.1.0 (UNRELEASED)
-------------------
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Backward-incompatible changes:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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- ``pyOpenSSL`` now sets ``SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER`` by default, matching CPython's behavior. `#1287 <https://github.com/pyca/pyopenssl/pull/1287>`_.
- The minimum ``cryptography`` version is now 42.0.0.

Deprecations:
^^^^^^^^^^^^^

Changes:
^^^^^^^^


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24.0.0 (2024-01-22)
-------------------

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2 changes: 1 addition & 1 deletion setup.py
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Expand Up @@ -93,7 +93,7 @@ def find_meta(meta):
packages=find_packages(where="src"),
package_dir={"": "src"},
install_requires=[
"cryptography>=41.0.5,<43",
"cryptography>=42.0.0,<43",
],
extras_require={
"test": ["flaky", "pretend", "pytest>=3.0.1"],
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13 changes: 6 additions & 7 deletions src/OpenSSL/SSL.py
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Expand Up @@ -223,11 +223,8 @@
except AttributeError:
pass

try:
OP_LEGACY_SERVER_CONNECT = _lib.SSL_OP_LEGACY_SERVER_CONNECT
__all__.append("OP_LEGACY_SERVER_CONNECT")
except AttributeError:
pass
OP_LEGACY_SERVER_CONNECT = _lib.SSL_OP_LEGACY_SERVER_CONNECT
__all__.append("OP_LEGACY_SERVER_CONNECT")

OP_ALL = _lib.SSL_OP_ALL

Expand Down Expand Up @@ -855,8 +852,10 @@ def __init__(self, method):
self._ocsp_data = None
self._cookie_generate_helper = None
self._cookie_verify_helper = None

self.set_mode(_lib.SSL_MODE_ENABLE_PARTIAL_WRITE)
self.set_mode(
_lib.SSL_MODE_ENABLE_PARTIAL_WRITE
| _lib.SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER
)
if version is not None:
self.set_min_proto_version(version)
self.set_max_proto_version(version)
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2 changes: 1 addition & 1 deletion tox.ini
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Expand Up @@ -18,7 +18,7 @@ extras =
test
deps =
coverage>=4.2
cryptographyMinimum: cryptography==41.0.5
cryptographyMinimum: cryptography==42.0.0
randomorder: pytest-randomly
setenv =
# Do not allow the executing environment to pollute the test environment
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