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16cf1d1a53
To avoid warning above produced by using
-Wcast-function-type we;
+ ensure PyCFunctions of type METH_VARARGS do not declare
unused and problematic kargs param.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba crypto functions
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Copyright (C) Alexander Bokovoy <ab@samba.org> 2017
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Python.h>
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#include "includes.h"
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#include "python/py3compat.h"
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#include "lib/crypto/arcfour.h"
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static PyObject *py_crypto_arcfour_crypt_blob(PyObject *module, PyObject *args)
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{
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DATA_BLOB data, key;
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PyObject *py_data, *py_key, *result;
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TALLOC_CTX *ctx;
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if (!PyArg_ParseTuple(args, "OO", &py_data, &py_key))
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return NULL;
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if (!PyBytes_Check(py_data)) {
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PyErr_Format(PyExc_TypeError, "bytes expected");
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return NULL;
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}
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if (!PyBytes_Check(py_key)) {
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PyErr_Format(PyExc_TypeError, "bytes expected");
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return NULL;
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}
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ctx = talloc_new(NULL);
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data.length = PyBytes_Size(py_data);
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data.data = talloc_memdup(ctx, PyBytes_AsString(py_data), data.length);
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if (!data.data) {
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talloc_free(ctx);
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return PyErr_NoMemory();
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}
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key.data = (uint8_t *)PyBytes_AsString(py_key);
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key.length = PyBytes_Size(py_key);
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arcfour_crypt_blob(data.data, data.length, &key);
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result = PyBytes_FromStringAndSize((const char*) data.data, data.length);
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talloc_free(ctx);
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return result;
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}
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static const char py_crypto_arcfour_crypt_blob_doc[] = "arcfour_crypt_blob(data, key)\n"
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"Encrypt the data with RC4 algorithm using the key";
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static PyMethodDef py_crypto_methods[] = {
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{ "arcfour_crypt_blob", (PyCFunction)py_crypto_arcfour_crypt_blob, METH_VARARGS, py_crypto_arcfour_crypt_blob_doc },
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{ NULL },
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};
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static struct PyModuleDef moduledef = {
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PyModuleDef_HEAD_INIT,
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.m_name = "crypto",
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.m_doc = "Crypto functions required for SMB",
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.m_size = -1,
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.m_methods = py_crypto_methods,
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};
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MODULE_INIT_FUNC(crypto)
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{
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PyObject *m;
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m = PyModule_Create(&moduledef);
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if (m == NULL)
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return NULL;
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return m;
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}
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