Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 96 insertions, 0 deletions

diff --git a/libcli/security/pysecurity.c b/libcli/security/pysecurity.c
new file mode 100644
index 0000000..037d43c
--- /dev/null
+++ 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;
+}