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rand.c, pgen.c: Invalidate random generators from pgen events.
[catacomb-python]
/
rand.c
diff --git
a/rand.c
b/rand.c
index 9da7f663cccc4b0a0d81faebbf82a92e8ac38923..e2082375a2a39f2bf41ff9700ddba1ec6591c48c 100644
(file)
--- a/
rand.c
+++ b/
rand.c
@@
-69,15
+69,25
@@
PyObject *grand_pywrap(grand *r, unsigned f)
CONVFUNC(grand, grand *, GRAND_R)
CONVFUNC(grand, grand *, GRAND_R)
+static int grand_check(PyObject *me)
+{
+ if (!GRAND_R(me)) VALERR("random generator object is no longer valid");
+ return (0);
+end:
+ return (-1);
+}
+
static PyObject *grmeth_byte(PyObject *me, PyObject *arg)
{
if (!PyArg_ParseTuple(arg, ":byte")) return (0);
static PyObject *grmeth_byte(PyObject *me, PyObject *arg)
{
if (!PyArg_ParseTuple(arg, ":byte")) return (0);
+ if (grand_check(me)) return (0);
return (PyInt_FromLong(grand_byte(GRAND_R(me))));
}
static PyObject *grmeth_word(PyObject *me, PyObject *arg)
{
if (!PyArg_ParseTuple(arg, ":word")) return (0);
return (PyInt_FromLong(grand_byte(GRAND_R(me))));
}
static PyObject *grmeth_word(PyObject *me, PyObject *arg)
{
if (!PyArg_ParseTuple(arg, ":word")) return (0);
+ if (grand_check(me)) return (0);
return (getulong(grand_word(GRAND_R(me))));
}
return (getulong(grand_word(GRAND_R(me))));
}
@@
-88,6
+98,7
@@
static PyObject *grmeth_range(PyObject *me, PyObject *arg)
mp *y = 0;
if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0);
mp *y = 0;
if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0);
+ if (grand_check(me)) return (0);
if (PyInt_Check(m)) {
long mm = PyInt_AS_LONG(m);
if (mm <= 0)
if (PyInt_Check(m)) {
long mm = PyInt_AS_LONG(m);
if (mm <= 0)
@@
-118,6
+129,7
@@
static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw)
if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", kwlist,
convszt, &l, convmpw, &o))
goto end;
if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", kwlist,
convszt, &l, convmpw, &o))
goto end;
+ if (grand_check(me)) return (0);
if (l < MPW_BITS && (o >> l)) VALERR("or mask too large");
return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o)));
end:
if (l < MPW_BITS && (o >> l)) VALERR("or mask too large");
return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o)));
end:
@@
-130,6
+142,7
@@
static PyObject *grmeth_block(PyObject *me, PyObject *arg)
PyObject *rc = 0;
if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end;
PyObject *rc = 0;
if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end;
+ if (grand_check(me)) return (0);
rc = bytestring_pywrap(0, n);
grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n);
end:
rc = bytestring_pywrap(0, n);
grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n);
end:
@@
-138,8
+151,7
@@
end:
static int checkop(grand *r, unsigned op, const char *what)
{
static int checkop(grand *r, unsigned op, const char *what)
{
- if (r->ops->misc(r, GRAND_CHECK, op))
- return (0);
+ if (r->ops->misc(r, GRAND_CHECK, op)) return (0);
PyErr_Format(PyExc_TypeError, "operation %s not supported", what);
return (-1);
}
PyErr_Format(PyExc_TypeError, "operation %s not supported", what);
return (-1);
}
@@
-149,7
+161,7
@@
static PyObject *grmeth_seedint(PyObject *me, PyObject *arg)
int i;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "i:seedint", &i) ||
int i;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "i:seedint", &i) ||
- checkop(r, GRAND_SEEDINT, "seedint"))
+
grand_check(me) ||
checkop(r, GRAND_SEEDINT, "seedint"))
goto end;
r->ops->misc(r, GRAND_SEEDINT, i);
RETURN_ME;
goto end;
r->ops->misc(r, GRAND_SEEDINT, i);
RETURN_ME;
@@
-162,7
+174,7
@@
static PyObject *grmeth_seedword(PyObject *me, PyObject *arg)
uint32 u;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) ||
uint32 u;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) ||
- checkop(r, GRAND_SEEDUINT32, "seedword"))
+
grand_check(me) ||
checkop(r, GRAND_SEEDUINT32, "seedword"))
goto end;
r->ops->misc(r, GRAND_SEEDUINT32, u);
RETURN_ME;
goto end;
r->ops->misc(r, GRAND_SEEDUINT32, u);
RETURN_ME;
@@
-176,7
+188,7
@@
static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg)
Py_ssize_t n;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) ||
Py_ssize_t n;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) ||
- checkop(r, GRAND_SEEDBLOCK, "seedblock"))
+
grand_check(me) ||
checkop(r, GRAND_SEEDBLOCK, "seedblock"))
goto end;
r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n);
RETURN_ME;
goto end;
r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n);
RETURN_ME;
@@
-190,7
+202,7
@@
static PyObject *grmeth_seedmp(PyObject *me, PyObject *arg)
mp *xx;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "O:seedmp", &x) ||
mp *xx;
grand *r = GRAND_R(me);
if (!PyArg_ParseTuple(arg, "O:seedmp", &x) ||
- checkop(r, GRAND_SEEDMP, "seedmp") ||
+
grand_check(me) ||
checkop(r, GRAND_SEEDMP, "seedmp") ||
(xx = getmp(x)) == 0)
goto end;
r->ops->misc(r, GRAND_SEEDMP, xx);
(xx = getmp(x)) == 0)
goto end;
r->ops->misc(r, GRAND_SEEDMP, xx);
@@
-207,7
+219,7
@@
static PyObject *grmeth_seedrand(PyObject *me, PyObject *arg, PyObject *kw)
grand *rr = &rand_global;
if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:seedrand", kwlist,
convgrand, &rr) ||
grand *rr = &rand_global;
if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:seedrand", kwlist,
convgrand, &rr) ||
- checkop(r, GRAND_SEEDRAND, "seedrand"))
+
grand_check(me) ||
checkop(r, GRAND_SEEDRAND, "seedrand"))
goto end;
r->ops->misc(r, GRAND_SEEDRAND, rr);
RETURN_ME;
goto end;
r->ops->misc(r, GRAND_SEEDRAND, rr);
RETURN_ME;
@@
-223,6
+235,7
@@
static PyObject *grmeth_mask(PyObject *me, PyObject *arg)
PyObject *rc;
if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0);
PyObject *rc;
if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0);
+ if (grand_check(me)) return (0);
rc = bytestring_pywrap(0, sz);
q = PyString_AS_STRING(rc);
GR_FILL(r, q, sz);
rc = bytestring_pywrap(0, sz);
q = PyString_AS_STRING(rc);
GR_FILL(r, q, sz);
@@
-233,16
+246,15
@@
static PyObject *grmeth_mask(PyObject *me, PyObject *arg)
static void grand_pydealloc(PyObject *me)
{
grand_pyobj *g = (grand_pyobj *)me;
static void grand_pydealloc(PyObject *me)
{
grand_pyobj *g = (grand_pyobj *)me;
- if (g->f & f_freeme)
- GR_DESTROY(g->r);
+ if ((g->f & f_freeme) && g->r) GR_DESTROY(g->r);
FREEOBJ(me);
}
static PyObject *grget_name(PyObject *me, void *hunoz)
FREEOBJ(me);
}
static PyObject *grget_name(PyObject *me, void *hunoz)
- { return (PyString_FromString(GRAND_R(me)->ops->name)); }
+ { return (
grand_check(me) ? 0 :
PyString_FromString(GRAND_R(me)->ops->name)); }
static PyObject *grget_cryptop(PyObject *me, void *hunoz)
static PyObject *grget_cryptop(PyObject *me, void *hunoz)
- { return (getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); }
+ { return (g
rand_check(me) ? 0 : g
etbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); }
static PyGetSetDef grand_pygetset[] = {
#define GETSETNAME(op, name) gr##op##_##name
static PyGetSetDef grand_pygetset[] = {
#define GETSETNAME(op, name) gr##op##_##name