source: branches/samba-3.5.x/source4/librpc/ndr/py_security.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 10.6 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
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#include <Python.h>
20#include "libcli/security/security.h"
21
22#ifndef Py_RETURN_NONE
23#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
24#endif
25
26static void PyType_AddMethods(PyTypeObject *type, PyMethodDef *methods)
27{
28 PyObject *dict;
29 int i;
30 if (type->tp_dict == NULL)
31 type->tp_dict = PyDict_New();
32 dict = type->tp_dict;
33 for (i = 0; methods[i].ml_name; i++) {
34 PyObject *descr;
35 if (methods[i].ml_flags & METH_CLASS)
36 descr = PyCFunction_New(&methods[i], (PyObject *)type);
37 else
38 descr = PyDescr_NewMethod(type, &methods[i]);
39 PyDict_SetItemString(dict, methods[i].ml_name,
40 descr);
41 }
42}
43
44static int py_dom_sid_cmp(PyObject *py_self, PyObject *py_other)
45{
46 struct dom_sid *self = py_talloc_get_ptr(py_self), *other;
47 other = py_talloc_get_ptr(py_other);
48 if (other == NULL)
49 return -1;
50
51 return dom_sid_compare(self, other);
52}
53
54static PyObject *py_dom_sid_str(PyObject *py_self)
55{
56 struct dom_sid *self = py_talloc_get_ptr(py_self);
57 char *str = dom_sid_string(NULL, self);
58 PyObject *ret = PyString_FromString(str);
59 talloc_free(str);
60 return ret;
61}
62
63static PyObject *py_dom_sid_repr(PyObject *py_self)
64{
65 struct dom_sid *self = py_talloc_get_ptr(py_self);
66 char *str = dom_sid_string(NULL, self);
67 PyObject *ret = PyString_FromFormat("dom_sid('%s')", str);
68 talloc_free(str);
69 return ret;
70}
71
72static int py_dom_sid_init(PyObject *self, PyObject *args, PyObject *kwargs)
73{
74 char *str = NULL;
75 struct dom_sid *sid = py_talloc_get_ptr(self);
76 const char *kwnames[] = { "str", NULL };
77
78 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", discard_const_p(char *, kwnames), &str))
79 return -1;
80
81 if (str != NULL && !dom_sid_parse(str, sid)) {
82 PyErr_SetString(PyExc_TypeError, "Unable to parse string");
83 return -1;
84 }
85
86 return 0;
87}
88
89static void py_dom_sid_patch(PyTypeObject *type)
90{
91 type->tp_init = py_dom_sid_init;
92 type->tp_str = py_dom_sid_str;
93 type->tp_repr = py_dom_sid_repr;
94 type->tp_compare = py_dom_sid_cmp;
95}
96
97#define PY_DOM_SID_PATCH py_dom_sid_patch
98
99static PyObject *py_descriptor_sacl_add(PyObject *self, PyObject *args)
100{
101 struct security_descriptor *desc = py_talloc_get_ptr(self);
102 NTSTATUS status;
103 struct security_ace *ace;
104 PyObject *py_ace;
105
106 if (!PyArg_ParseTuple(args, "O", &py_ace))
107 return NULL;
108
109 ace = py_talloc_get_ptr(py_ace);
110 status = security_descriptor_sacl_add(desc, ace);
111 PyErr_NTSTATUS_IS_ERR_RAISE(status);
112 Py_RETURN_NONE;
113}
114
115static PyObject *py_descriptor_dacl_add(PyObject *self, PyObject *args)
116{
117 struct security_descriptor *desc = py_talloc_get_ptr(self);
118 NTSTATUS status;
119 struct security_ace *ace;
120 PyObject *py_ace;
121
122 if (!PyArg_ParseTuple(args, "O", &py_ace))
123 return NULL;
124
125 ace = py_talloc_get_ptr(py_ace);
126
127 status = security_descriptor_dacl_add(desc, ace);
128 PyErr_NTSTATUS_IS_ERR_RAISE(status);
129 Py_RETURN_NONE;
130}
131
132static PyObject *py_descriptor_dacl_del(PyObject *self, PyObject *args)
133{
134 struct security_descriptor *desc = py_talloc_get_ptr(self);
135 NTSTATUS status;
136 struct dom_sid *sid;
137 PyObject *py_sid;
138
139 if (!PyArg_ParseTuple(args, "O", &py_sid))
140 return NULL;
141
142 sid = py_talloc_get_ptr(py_sid);
143 status = security_descriptor_dacl_del(desc, sid);
144 PyErr_NTSTATUS_IS_ERR_RAISE(status);
145 Py_RETURN_NONE;
146}
147
148static PyObject *py_descriptor_sacl_del(PyObject *self, PyObject *args)
149{
150 struct security_descriptor *desc = py_talloc_get_ptr(self);
151 NTSTATUS status;
152 struct dom_sid *sid;
153 PyObject *py_sid;
154
155 if (!PyArg_ParseTuple(args, "O", &py_sid))
156 return NULL;
157
158 sid = py_talloc_get_ptr(py_sid);
159 status = security_descriptor_sacl_del(desc, sid);
160 PyErr_NTSTATUS_IS_ERR_RAISE(status);
161 Py_RETURN_NONE;
162}
163
164static PyObject *py_descriptor_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)
165{
166 return py_talloc_steal(self, security_descriptor_initialise(NULL));
167}
168
169static PyObject *py_descriptor_from_sddl(PyObject *self, PyObject *args)
170{
171 struct security_descriptor *secdesc;
172 char *sddl;
173 PyObject *py_sid;
174 struct dom_sid *sid;
175
176 if (!PyArg_ParseTuple(args, "sO!", &sddl, &dom_sid_Type, &py_sid))
177 return NULL;
178
179 sid = py_talloc_get_ptr(py_sid);
180
181 secdesc = sddl_decode(NULL, sddl, sid);
182 if (secdesc == NULL) {
183 PyErr_SetString(PyExc_TypeError, "Unable to parse SDDL");
184 return NULL;
185 }
186
187 return py_talloc_steal((PyTypeObject *)self, secdesc);
188}
189
190static PyObject *py_descriptor_as_sddl(PyObject *self, PyObject *args)
191{
192 struct dom_sid *sid;
193 PyObject *py_sid = Py_None;
194 struct security_descriptor *desc = py_talloc_get_ptr(self);
195 char *text;
196 PyObject *ret;
197
198 if (!PyArg_ParseTuple(args, "|O!", &dom_sid_Type, &py_sid))
199 return NULL;
200
201 if (py_sid != Py_None)
202 sid = py_talloc_get_ptr(py_sid);
203 else
204 sid = NULL;
205
206 text = sddl_encode(NULL, desc, sid);
207
208 ret = PyString_FromString(text);
209
210 talloc_free(text);
211
212 return ret;
213}
214
215static PyMethodDef py_descriptor_extra_methods[] = {
216 { "sacl_add", (PyCFunction)py_descriptor_sacl_add, METH_VARARGS,
217 "S.sacl_add(ace) -> None\n"
218 "Add a security ace to this security descriptor" },
219 { "dacl_add", (PyCFunction)py_descriptor_dacl_add, METH_VARARGS,
220 NULL },
221 { "dacl_del", (PyCFunction)py_descriptor_dacl_del, METH_VARARGS,
222 NULL },
223 { "sacl_del", (PyCFunction)py_descriptor_sacl_del, METH_VARARGS,
224 NULL },
225 { "from_sddl", (PyCFunction)py_descriptor_from_sddl, METH_VARARGS|METH_CLASS,
226 NULL },
227 { "as_sddl", (PyCFunction)py_descriptor_as_sddl, METH_VARARGS,
228 NULL },
229 { NULL }
230};
231
232static void py_descriptor_patch(PyTypeObject *type)
233{
234 type->tp_new = py_descriptor_new;
235 PyType_AddMethods(type, py_descriptor_extra_methods);
236}
237
238#define PY_DESCRIPTOR_PATCH py_descriptor_patch
239
240static PyObject *py_token_is_sid(PyObject *self, PyObject *args)
241{
242 PyObject *py_sid;
243 struct dom_sid *sid;
244 struct security_token *token = py_talloc_get_ptr(self);
245 if (!PyArg_ParseTuple(args, "O", &py_sid))
246 return NULL;
247
248 sid = py_talloc_get_ptr(py_sid);
249
250 return PyBool_FromLong(security_token_is_sid(token, sid));
251}
252
253static PyObject *py_token_has_sid(PyObject *self, PyObject *args)
254{
255 PyObject *py_sid;
256 struct dom_sid *sid;
257 struct security_token *token = py_talloc_get_ptr(self);
258 if (!PyArg_ParseTuple(args, "O", &py_sid))
259 return NULL;
260
261 sid = py_talloc_get_ptr(py_sid);
262
263 return PyBool_FromLong(security_token_has_sid(token, sid));
264}
265
266static PyObject *py_token_is_anonymous(PyObject *self)
267{
268 struct security_token *token = py_talloc_get_ptr(self);
269
270 return PyBool_FromLong(security_token_is_anonymous(token));
271}
272
273static PyObject *py_token_is_system(PyObject *self)
274{
275 struct security_token *token = py_talloc_get_ptr(self);
276
277 return PyBool_FromLong(security_token_is_system(token));
278}
279
280static PyObject *py_token_has_builtin_administrators(PyObject *self)
281{
282 struct security_token *token = py_talloc_get_ptr(self);
283
284 return PyBool_FromLong(security_token_has_builtin_administrators(token));
285}
286
287static PyObject *py_token_has_nt_authenticated_users(PyObject *self)
288{
289 struct security_token *token = py_talloc_get_ptr(self);
290
291 return PyBool_FromLong(security_token_has_nt_authenticated_users(token));
292}
293
294static PyObject *py_token_has_privilege(PyObject *self, PyObject *args)
295{
296 int priv;
297 struct security_token *token = py_talloc_get_ptr(self);
298
299 if (!PyArg_ParseTuple(args, "i", &priv))
300 return NULL;
301
302 return PyBool_FromLong(security_token_has_privilege(token, priv));
303}
304
305static PyObject *py_token_set_privilege(PyObject *self, PyObject *args)
306{
307 int priv;
308 struct security_token *token = py_talloc_get_ptr(self);
309
310 if (!PyArg_ParseTuple(args, "i", &priv))
311 return NULL;
312
313 security_token_set_privilege(token, priv);
314 Py_RETURN_NONE;
315}
316
317static PyObject *py_token_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)
318{
319 return py_talloc_steal(self, security_token_initialise(NULL));
320}
321
322static PyMethodDef py_token_extra_methods[] = {
323 { "is_sid", (PyCFunction)py_token_is_sid, METH_VARARGS,
324 "S.is_sid(sid) -> bool\n"
325 "Check whether this token is of the specified SID." },
326 { "has_sid", (PyCFunction)py_token_has_sid, METH_VARARGS,
327 NULL },
328 { "is_anonymous", (PyCFunction)py_token_is_anonymous, METH_NOARGS,
329 "S.is_anonymus() -> bool\n"
330 "Check whether this is an anonymous token." },
331 { "is_system", (PyCFunction)py_token_is_system, METH_NOARGS,
332 NULL },
333 { "has_builtin_administrators", (PyCFunction)py_token_has_builtin_administrators, METH_NOARGS,
334 NULL },
335 { "has_nt_authenticated_users", (PyCFunction)py_token_has_nt_authenticated_users, METH_NOARGS,
336 NULL },
337 { "has_privilege", (PyCFunction)py_token_has_privilege, METH_VARARGS,
338 NULL },
339 { "set_privilege", (PyCFunction)py_token_set_privilege, METH_VARARGS,
340 NULL },
341 { NULL }
342};
343
344#define PY_TOKEN_PATCH py_token_patch
345static void py_token_patch(PyTypeObject *type)
346{
347 type->tp_new = py_token_new;
348 PyType_AddMethods(type, py_token_extra_methods);
349}
350
351static PyObject *py_privilege_name(PyObject *self, PyObject *args)
352{
353 int priv;
354 if (!PyArg_ParseTuple(args, "i", &priv))
355 return NULL;
356
357 return PyString_FromString(sec_privilege_name(priv));
358}
359
360static PyObject *py_privilege_id(PyObject *self, PyObject *args)
361{
362 char *name;
363
364 if (!PyArg_ParseTuple(args, "s", &name))
365 return NULL;
366
367 return PyInt_FromLong(sec_privilege_id(name));
368}
369
370static PyObject *py_random_sid(PyObject *self)
371{
372 struct dom_sid *sid;
373 PyObject *ret;
374 char *str = talloc_asprintf(NULL, "S-1-5-21-%u-%u-%u",
375 (unsigned)generate_random(),
376 (unsigned)generate_random(),
377 (unsigned)generate_random());
378
379 sid = dom_sid_parse_talloc(NULL, str);
380 talloc_free(str);
381 ret = py_talloc_steal(&dom_sid_Type, sid);
382 return ret;
383}
384
385static PyMethodDef py_mod_security_extra_methods[] = {
386 { "random_sid", (PyCFunction)py_random_sid, METH_NOARGS, NULL },
387 { "privilege_id", (PyCFunction)py_privilege_id, METH_VARARGS, NULL },
388 { "privilege_name", (PyCFunction)py_privilege_name, METH_VARARGS, NULL },
389 { NULL }
390};
391
392static void py_mod_security_patch(PyObject *m)
393{
394 int i;
395 for (i = 0; py_mod_security_extra_methods[i].ml_name; i++) {
396 PyObject *descr = PyCFunction_New(&py_mod_security_extra_methods[i], NULL);
397 PyModule_AddObject(m, py_mod_security_extra_methods[i].ml_name,
398 descr);
399 }
400}
401
402#define PY_MOD_SECURITY_PATCH py_mod_security_patch
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