libcli/smb: add smb_protocol_types_string()
[bbaumbach/samba-autobuild/.git] / libcli / security / pysecurity.c
1 /*
2    Unix SMB/CIFS implementation.
3    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
4    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2011
5
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <Python.h>
21 #include "includes.h"
22 #include "libcli/util/pyerrors.h"
23 #include "libcli/security/security.h"
24 #include "pytalloc.h"
25
26 void initsecurity(void);
27
28 static PyObject *py_se_access_check(PyObject *module, PyObject *args, PyObject *kwargs)
29 {
30         NTSTATUS nt_status;
31         const char * const kwnames[] = { "security_descriptor", "token", "access_desired", NULL };
32         PyObject *py_sec_desc = Py_None;
33         PyObject *py_security_token = Py_None;
34         struct security_descriptor *security_descriptor;
35         struct security_token *security_token;
36         int access_desired; /* This is an int, because that's what
37                              * we need for the python
38                              * PyArg_ParseTupleAndKeywords */
39         uint32_t access_granted;
40
41         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOi",
42                                          discard_const_p(char *, kwnames),
43                                          &py_sec_desc, &py_security_token, &access_desired)) {
44                 return NULL;
45         }
46
47         security_descriptor = pytalloc_get_type(py_sec_desc, struct security_descriptor);
48         if (!security_descriptor) {
49                 PyErr_Format(PyExc_TypeError,
50                              "Expected dcerpc.security.descriptor for security_descriptor argument got  %s",
51                              talloc_get_name(pytalloc_get_ptr(py_sec_desc)));
52                 return NULL;
53         }
54
55         security_token = pytalloc_get_type(py_security_token, struct security_token);
56         if (!security_token) {
57                 PyErr_Format(PyExc_TypeError,
58                              "Expected dcerpc.security.token for token argument, got %s",
59                              talloc_get_name(pytalloc_get_ptr(py_security_token)));
60                 return NULL;
61         }
62
63         nt_status = se_access_check(security_descriptor, security_token, access_desired, &access_granted);
64         if (!NT_STATUS_IS_OK(nt_status)) {
65                 PyErr_NTSTATUS_IS_ERR_RAISE(nt_status);
66         }
67
68         return PyLong_FromLong(access_granted);
69 }
70
71 static PyMethodDef py_security_methods[] = {
72         { "access_check", (PyCFunction)py_se_access_check, METH_VARARGS|METH_KEYWORDS,
73         "access_check(security_descriptor, token, access_desired) -> access_granted.  Raises NT_STATUS on error, including on access check failure, returns access granted bitmask"},
74         { NULL },
75 };
76
77 void initsecurity(void)
78 {
79         PyObject *m;
80
81         m = Py_InitModule3("security", py_security_methods,
82                            "Security support.");
83         if (m == NULL)
84                 return;
85 }