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-rw-r--r--libcli/security/pysecurity.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/libcli/security/pysecurity.c b/libcli/security/pysecurity.c
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+++ b/libcli/security/pysecurity.c
@@ -0,0 +1,96 @@
+/*
+ Unix SMB/CIFS implementation.
+ Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2011
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "lib/replace/system/python.h"
+#include "python/py3compat.h"
+#include "includes.h"
+#include "python/modules.h"
+#include "libcli/util/pyerrors.h"
+#include "libcli/security/security.h"
+#include "pytalloc.h"
+
+static PyObject *py_se_access_check(PyObject *module, PyObject *args, PyObject *kwargs)
+{
+ NTSTATUS nt_status;
+ const char * const kwnames[] = { "security_descriptor", "token", "access_desired", NULL };
+ PyObject *py_sec_desc = NULL;
+ PyObject *py_security_token = NULL;
+ struct security_descriptor *security_descriptor;
+ struct security_token *security_token;
+ unsigned int access_desired; /* This is an unsigned int, not uint32_t,
+ * because that's what we need for the
+ * python PyArg_ParseTupleAndKeywords */
+ uint32_t access_granted;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOI",
+ discard_const_p(char *, kwnames),
+ &py_sec_desc, &py_security_token, &access_desired)) {
+ return NULL;
+ }
+
+ security_descriptor = pytalloc_get_type(py_sec_desc, struct security_descriptor);
+ if (!security_descriptor) {
+ PyErr_Format(PyExc_TypeError,
+ "Expected dcerpc.security.descriptor for security_descriptor argument got %s",
+ pytalloc_get_name(py_sec_desc));
+ return NULL;
+ }
+
+ security_token = pytalloc_get_type(py_security_token, struct security_token);
+ if (!security_token) {
+ PyErr_Format(PyExc_TypeError,
+ "Expected dcerpc.security.token for token argument, got %s",
+ pytalloc_get_name(py_sec_desc));
+ return NULL;
+ }
+
+ nt_status = se_access_check(security_descriptor, security_token, access_desired, &access_granted);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ PyErr_NTSTATUS_IS_ERR_RAISE(nt_status);
+ }
+
+ return PyLong_FromLong(access_granted);
+}
+
+static PyMethodDef py_security_methods[] = {
+ { "access_check", PY_DISCARD_FUNC_SIG(PyCFunction,
+ py_se_access_check),
+ METH_VARARGS|METH_KEYWORDS,
+ "access_check(security_descriptor, token, access_desired) -> access_granted. Raises NT_STATUS on error, including on access check failure, returns access granted bitmask"},
+ {0},
+};
+
+static struct PyModuleDef moduledef = {
+ PyModuleDef_HEAD_INIT,
+ .m_name = "security",
+ .m_doc = "Security support.",
+ .m_size = -1,
+ .m_methods = py_security_methods,
+};
+
+MODULE_INIT_FUNC(security)
+{
+ PyObject *m;
+
+ m = PyModule_Create(&moduledef);
+ if (m == NULL)
+ return NULL;
+
+ return m;
+}