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Issue #23804: Fix SSL zero-length recv() calls to not block and raise EOF

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This commit is contained in:
Martin Panter 2016-07-11 00:17:13 +00:00
parent c95300aceb
commit bed7f1a512
3 changed files with 32 additions and 8 deletions
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8
Modules/_ssl.c
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@ -1913,6 +1913,10 @@ _ssl__SSLSocket_read_impl(PySSLSocket *self, int len, int group_right_1,
dest = PyBytes_FromStringAndSize(NULL, len);
if (dest == NULL)
goto error;
if (len == 0) {
Py_XDECREF(sock);
return dest;
}
mem = PyBytes_AS_STRING(dest);
}
else {
@ -1924,6 +1928,10 @@ _ssl__SSLSocket_read_impl(PySSLSocket *self, int len, int group_right_1,
"maximum length can't fit in a C 'int'");
goto error;
}
if (len == 0) {
count = 0;
goto done;
}
}
}