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bpo-34623: Use XML_SetHashSalt in _elementtree (GH-9146)

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The C accelerated _elementtree module now initializes hash randomization
salt from _Py_HashSecret instead of libexpat's default CPRNG.

Signed-off-by: Christian Heimes <christian@python.org>



https://bugs.python.org/issue34623
This commit is contained in:
Christian Heimes 2018-09-18 14:38:58 +02:00 • committed by Miss Islington (bot)
parent 0185f34ddc
commit cb5778f00c
4 changed files with 15 additions and 1 deletions
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5
Modules/_elementtree.c
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@ -3272,6 +3272,11 @@ _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *target,
PyErr_NoMemory();
return -1;
}
/* expat < 2.1.0 has no XML_SetHashSalt() */
if (EXPAT(SetHashSalt) != NULL) {
EXPAT(SetHashSalt)(self->parser,
(unsigned long)_Py_HashSecret.expat.hashsalt);
}
if (target) {
Py_INCREF(target);