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Clear the OpenSSL error queue each time an error is signalled.

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When the error queue is not emptied, strange things can happen on the next SSL call, depending on the OpenSSL version.
This commit is contained in:
Antoine Pitrou 2010-05-16 23:11:46 +00:00
parent 308c2af9a4
commit 508a237c97
1 changed files with 3 additions and 0 deletions
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3
Modules/_ssl.c
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@ -196,6 +196,7 @@ PySSL_SetError(PySSLObject *obj, int ret, char *filename, int lineno)
errstr = "EOF occurred in violation of protocol";
} else if (ret == -1) {
/* underlying BIO reported an I/O error */
ERR_clear_error();
return obj->Socket->errorhandler();
} else { /* possible? */
p = PY_SSL_ERROR_SYSCALL;
@ -228,6 +229,7 @@ PySSL_SetError(PySSLObject *obj, int ret, char *filename, int lineno)
errstr = ERR_error_string(ERR_peek_last_error(), NULL);
}
PyOS_snprintf(buf, sizeof(buf), "_ssl.c:%d: %s", lineno, errstr);
ERR_clear_error();
v = Py_BuildValue("(is)", p, buf);
if (v != NULL) {
PyErr_SetObject(PySSLErrorObject, v);
@ -247,6 +249,7 @@ _setSSLError (char *errstr, int errcode, char *filename, int lineno) {
errstr = ERR_error_string(errcode, NULL);
}
PyOS_snprintf(buf, sizeof(buf), "_ssl.c:%d: %s", lineno, errstr);
ERR_clear_error();
v = Py_BuildValue("(is)", errcode, buf);
if (v != NULL) {
PyErr_SetObject(PySSLErrorObject, v);