New submission from Jörn Heissler <launch...@joern.heissler.de>:
Traceback (most recent call last):
File "client.py", line 10, in <module>
conn.send(b'')
File "/usr/lib/python3.6/ssl.py", line 941, in send
return self._sslobj.write(data)
File "/usr/lib/python3.6/ssl.py", line 642, in write
return self._sslobj.write(data)
ssl.SSLEOFError: EOF occurred in violation of protocol (_ssl.c:2074)
This error is not what I expected. I expected a noop instead.
My guess is, that python calls SSL_write (3.6 branch, _ssl.c:2038) with that
empty buffer.
The manpage states: "When calling SSL_write() with num=0 bytes to be sent the
behaviour is undefined."
This undefined behaviour should either be documented in python, or defined to
either raise an exception (ValueError?) or defined as a noop. I'd prefer the
latter.
----------
assignee: christian.heimes
components: SSL
files: client.py
messages: 303810
nosy: christian.heimes, joernheissler
priority: normal
severity: normal
status: open
title: ssl.SSLSocket.send(b"") fails
type: behavior
versions: Python 3.6
Added file: https://bugs.python.org/file47194/client.py
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<https://bugs.python.org/issue31711>
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