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bpo-43577: Fix deadlock with SSLContext._msg_callback and sni_callback (GH-24957) - #24957
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OpenSSL copies the internal message callback from SSL_CTX->msg_callback to SSL->msg_callback. SSL_set_SSL_CTX() does not update SSL->msg_callback to use the callback value of the new context. PySSL_set_context() now resets the callback and _PySSL_msg_callback() resets thread state in error path. Signed-off-by: Christian Heimes <christian@python.org>
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March 21, 2021 13:22
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Thanks @tiran for the PR 🌮🎉.. I'm working now to backport this PR to: 3.8, 3.9. |
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pythonGH-24957) OpenSSL copies the internal message callback from SSL_CTX->msg_callback to SSL->msg_callback. SSL_set_SSL_CTX() does not update SSL->msg_callback to use the callback value of the new context. PySSL_set_context() now resets the callback and _PySSL_msg_callback() resets thread state in error path. Signed-off-by: Christian Heimes <christian@python.org> (cherry picked from commit 77cde50) Co-authored-by: Christian Heimes <christian@python.org>
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GH-24958 is a backport of this pull request to the 3.9 branch. |
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pythonGH-24957) OpenSSL copies the internal message callback from SSL_CTX->msg_callback to SSL->msg_callback. SSL_set_SSL_CTX() does not update SSL->msg_callback to use the callback value of the new context. PySSL_set_context() now resets the callback and _PySSL_msg_callback() resets thread state in error path. Signed-off-by: Christian Heimes <christian@python.org> (cherry picked from commit 77cde50) Co-authored-by: Christian Heimes <christian@python.org>
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GH-24959 is a backport of this pull request to the 3.8 branch. |
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Thanks @tiran for the PR 🌮🎉.. I'm working now to backport this PR to: 3.8. |
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GH-24957) OpenSSL copies the internal message callback from SSL_CTX->msg_callback to SSL->msg_callback. SSL_set_SSL_CTX() does not update SSL->msg_callback to use the callback value of the new context. PySSL_set_context() now resets the callback and _PySSL_msg_callback() resets thread state in error path. Signed-off-by: Christian Heimes <christian@python.org> (cherry picked from commit 77cde50) Co-authored-by: Christian Heimes <christian@python.org>
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GH-24957) OpenSSL copies the internal message callback from SSL_CTX->msg_callback to SSL->msg_callback. SSL_set_SSL_CTX() does not update SSL->msg_callback to use the callback value of the new context. PySSL_set_context() now resets the callback and _PySSL_msg_callback() resets thread state in error path. Signed-off-by: Christian Heimes <christian@python.org> (cherry picked from commit 77cde50) Co-authored-by: Christian Heimes <christian@python.org>
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OpenSSL copies the internal message callback from SSL_CTX->msg_callback to
SSL->msg_callback. SSL_set_SSL_CTX() does not update SSL->msg_callback
to use the callback value of the new context.
PySSL_set_context() now resets the callback and _PySSL_msg_callback()
resets thread state in error path.
Signed-off-by: Christian Heimes christian@python.org
https://bugs.python.org/issue43577