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bpo-1635741: port blake2 module to multi-phase init #21856

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Merged
vstinner merged 11 commits into from
Sep 2, 2020
Merged

bpo-1635741: port blake2 module to multi-phase init #21856

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dce777f
port blake2
koubaa Aug 10, 2020
88d58ff
blurb
koubaa Aug 13, 2020
00a468c
decref the type
koubaa Aug 13, 2020
0be5d6c
respond to review
koubaa Aug 13, 2020
abb51fe
add comment
koubaa Aug 21, 2020
6f6a254
fix use-after-free
Aug 28, 2020
4b2e87f
add traverse, clear, and free slots
koubaa Aug 28, 2020
c0533a5
fix some typos
koubaa Aug 28, 2020
033e59d
pep7 & improve dealloc
koubaa Aug 29, 2020
1fe0fa2
fix issues
koubaa Aug 29, 2020
d63f02c
update news
koubaa Sep 1, 2020
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fix issues
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@koubaa
koubaa committed Aug 29, 2020
commit 1fe0fa2983149170f6c6514714f294eceeadde31
4 changes: 1 addition & 3 deletions Modules/_blake2/blake2b_impl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -392,7 +392,7 @@ py_blake2b_dealloc(PyObject *self)
obj->lock = NULL;
}

PyObject *type = Py_TYPE(self);
PyTypeObject *type = Py_TYPE(self);
PyObject_Del(self);
Py_DECREF(type);
}
Expand All @@ -406,8 +406,6 @@ static PyType_Slot blake2b_type_slots[] = {
{0,0}
};

// Using PyType_GetModuleState() on this type is safe since
// it cannot be subclassed: it does not have the Py_TPFLAGS_BASETYPE flag.
PyType_Spec blake2b_type_spec = {
.name = "_blake2.blake2b",
.basicsize = sizeof(BLAKE2bObject),
Expand Down
11 changes: 5 additions & 6 deletions Modules/_blake2/blake2module.c
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Expand Up @@ -24,7 +24,8 @@ typedef struct {
PyTypeObject* blake2s_type;
} Blake2State;

static inline Blake2State* blake2_get_state(PyObject *module)
static inline Blake2State*
blake2_get_state(PyObject *module)
{
void *state = PyModule_GetState(module);
assert(state != NULL);
Expand Down Expand Up @@ -61,19 +62,17 @@ _blake2_free(void *module)

#define ADD_INT(d, name, value) do { \
PyObject *x = PyLong_FromLong(value); \
if (!x) { \
Py_DECREF(x); \
if (!x) \
return -1; \
} \
if (PyDict_SetItemString(d, name, x) < 0) { \
Py_DECREF(x); \
return -1; \
} \
Py_DECREF(x); \
} while(0)


static int blake2_exec(PyObject *m)
static int
blake2_exec(PyObject *m)
{
Blake2State* st = blake2_get_state(m);

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4 changes: 1 addition & 3 deletions Modules/_blake2/blake2s_impl.c
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Expand Up @@ -391,7 +391,7 @@ py_blake2s_dealloc(PyObject *self)
obj->lock = NULL;
}

PyObject *type = Py_TYPE(self);
PyTypeObject *type = Py_TYPE(self);
PyObject_Del(self);
Py_DECREF(type);
}
Expand All @@ -405,8 +405,6 @@ static PyType_Slot blake2s_type_slots[] = {
{0,0}
};

// Using PyType_GetModuleState() on this type is safe since
// it cannot be subclassed: it does not have the Py_TPFLAGS_BASETYPE flag.
PyType_Spec blake2s_type_spec = {
.name = "_blake2.blake2s",
.basicsize = sizeof(BLAKE2sObject),
Expand Down