summaryrefslogtreecommitdiff
path: root/source4/librpc/ndr/py_security.c
blob: 5311ce18f4e0b2b5e43332ecbbed4df58b363bbb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
/* 
   Unix SMB/CIFS implementation.
   Samba utility functions
   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
   
   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/util/python_util.h"
#include "libcli/security/security.h"

static void PyType_AddMethods(PyTypeObject *type, PyMethodDef *methods)
{
	PyObject *dict;
	int i;
	if (type->tp_dict == NULL)
		type->tp_dict = PyDict_New();
	dict = type->tp_dict;
	for (i = 0; methods[i].ml_name; i++) {
		PyObject *descr = PyDescr_NewMethod(type, &methods[i]);
		PyDict_SetItemString(dict, methods[i].ml_name, 
				     descr);
	}
}

static int py_dom_sid_cmp(PyObject *self, PyObject *py_other)
{
	struct dom_sid *this = py_talloc_get_ptr(self), *other;
	other = py_talloc_get_ptr(py_other);
	if (other == NULL)
		return -1;

	return dom_sid_compare(this, other);
}

static PyObject *py_dom_sid_str(PyObject *self)
{
	struct dom_sid *this = py_talloc_get_ptr(self);
	char *str = dom_sid_string(NULL, this);
	PyObject *ret = PyString_FromString(str);
	talloc_free(str);
	return ret;
}

static PyObject *py_dom_sid_repr(PyObject *self)
{
	struct dom_sid *this = py_talloc_get_ptr(self);
	char *str = dom_sid_string(NULL, this);
	PyObject *ret = PyString_FromFormat("dom_sid('%s')", str);
	talloc_free(str);
	return ret;
}

static int py_dom_sid_init(PyObject *self, PyObject *args, PyObject *kwargs)
{
	char *str = NULL;
	struct dom_sid *sid = py_talloc_get_ptr(self);
	const char *kwnames[] = { "str", NULL };

	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", discard_const_p(char *, kwnames), &str))
		return -1;

	if (str != NULL && !dom_sid_parse(str, sid)) {
		PyErr_SetString(PyExc_TypeError, "Unable to parse string");
		return -1;
	}

	return 0;
}

static void py_dom_sid_patch(PyTypeObject *type)
{
	type->tp_init = py_dom_sid_init;
	type->tp_str = py_dom_sid_str;
	type->tp_repr = py_dom_sid_repr;
	type->tp_compare = py_dom_sid_cmp;
}

#define PY_DOM_SID_PATCH py_dom_sid_patch

static PyObject *py_descriptor_sacl_add(PyObject *self, PyObject *args)
{
	struct security_descriptor *desc = py_talloc_get_ptr(self);
	NTSTATUS status;
	struct security_ace *ace;
	PyObject *py_ace;

	if (!PyArg_ParseTuple(args, "O", &py_ace))
		return NULL;

	ace = py_talloc_get_ptr(py_ace);
	status = security_descriptor_sacl_add(desc, ace);
	PyErr_NTSTATUS_IS_ERR_RAISE(status);
	Py_RETURN_NONE;
}

static PyObject *py_descriptor_dacl_add(PyObject *self, PyObject *args)
{
	struct security_descriptor *desc = py_talloc_get_ptr(self);
	NTSTATUS status;
	struct security_ace *ace;
	PyObject *py_ace;

	if (!PyArg_ParseTuple(args, "O", &py_ace))
		return NULL;

	ace = py_talloc_get_ptr(py_ace);

	status = security_descriptor_dacl_add(desc, ace);
	PyErr_NTSTATUS_IS_ERR_RAISE(status);
	Py_RETURN_NONE;
}

static PyObject *py_descriptor_dacl_del(PyObject *self, PyObject *args)
{
	struct security_descriptor *desc = py_talloc_get_ptr(self);
	NTSTATUS status;
	struct dom_sid *sid;
	PyObject *py_sid;

	if (!PyArg_ParseTuple(args, "O", &py_sid))
		return NULL;

	sid = py_talloc_get_ptr(py_sid);
	status = security_descriptor_dacl_del(desc, sid);
	PyErr_NTSTATUS_IS_ERR_RAISE(status);
	Py_RETURN_NONE;
}

static PyObject *py_descriptor_sacl_del(PyObject *self, PyObject *args)
{
	struct security_descriptor *desc = py_talloc_get_ptr(self);
	NTSTATUS status;
	struct dom_sid *sid;
	PyObject *py_sid;

	if (!PyArg_ParseTuple(args, "O", &py_sid))
		return NULL;

	sid = py_talloc_get_ptr(py_sid);
	status = security_descriptor_sacl_del(desc, sid);
	PyErr_NTSTATUS_IS_ERR_RAISE(status);
	Py_RETURN_NONE;
}

static PyObject *py_descriptor_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)
{
	return py_talloc_import(self, security_descriptor_initialise(NULL));
}	

static PyMethodDef py_descriptor_extra_methods[] = {
	{ "sacl_add", (PyCFunction)py_descriptor_sacl_add, METH_VARARGS,
		"S.sacl_add(ace) -> None\n"
		"Add a security ace to this security descriptor" },
	{ "dacl_add", (PyCFunction)py_descriptor_dacl_add, METH_VARARGS,
		NULL },
	{ "dacl_del", (PyCFunction)py_descriptor_dacl_del, METH_VARARGS,
		NULL },
	{ "sacl_del", (PyCFunction)py_descriptor_sacl_del, METH_VARARGS,
		NULL },
	{ NULL }
};

static void py_descriptor_patch(PyTypeObject *type)
{
	type->tp_new = py_descriptor_new;
	PyType_AddMethods(type, py_descriptor_extra_methods);
}

#define PY_DESCRIPTOR_PATCH py_descriptor_patch

static PyObject *py_token_is_sid(PyObject *self, PyObject *args)
{
	PyObject *py_sid;
	struct dom_sid *sid;
	struct security_token *token = py_talloc_get_ptr(self);
	if (!PyArg_ParseTuple(args, "O", &py_sid))
		return NULL;

	sid = py_talloc_get_ptr(py_sid);

	return PyBool_FromLong(security_token_is_sid(token, sid));
}

static PyObject *py_token_has_sid(PyObject *self, PyObject *args)
{
	PyObject *py_sid;
	struct dom_sid *sid;
	struct security_token *token = py_talloc_get_ptr(self);
	if (!PyArg_ParseTuple(args, "O", &py_sid))
		return NULL;

	sid = py_talloc_get_ptr(py_sid);

	return PyBool_FromLong(security_token_has_sid(token, sid));
}

static PyObject *py_token_is_anonymous(PyObject *self)
{
	struct security_token *token = py_talloc_get_ptr(self);
	
	return PyBool_FromLong(security_token_is_anonymous(token));
}

static PyObject *py_token_is_system(PyObject *self)
{
	struct security_token *token = py_talloc_get_ptr(self);
	
	return PyBool_FromLong(security_token_is_system(token));
}

static PyObject *py_token_has_builtin_administrators(PyObject *self)
{
	struct security_token *token = py_talloc_get_ptr(self);
	
	return PyBool_FromLong(security_token_has_builtin_administrators(token));
}

static PyObject *py_token_has_nt_authenticated_users(PyObject *self)
{
	struct security_token *token = py_talloc_get_ptr(self);
	
	return PyBool_FromLong(security_token_has_nt_authenticated_users(token));
}

static PyObject *py_token_has_privilege(PyObject *self, PyObject *args)
{
	int priv;
	struct security_token *token = py_talloc_get_ptr(self);

	if (!PyArg_ParseTuple(args, "i", &priv))
		return NULL;

	return PyBool_FromLong(security_token_has_privilege(token, priv));
}

static PyObject *py_token_set_privilege(PyObject *self, PyObject *args)
{
	int priv;
	struct security_token *token = py_talloc_get_ptr(self);

	if (!PyArg_ParseTuple(args, "i", &priv))
		return NULL;

	security_token_set_privilege(token, priv);
	Py_RETURN_NONE;
}

static PyObject *py_token_new(PyTypeObject *self, PyObject *args, PyObject *kwargs)
{
	return py_talloc_import(self, security_token_initialise(NULL));
}	

static PyMethodDef py_token_extra_methods[] = {
	{ "is_sid", (PyCFunction)py_token_is_sid, METH_VARARGS,
		"S.is_sid(sid) -> bool\n"
		"Check whether this token is of the specified SID." },
	{ "has_sid", (PyCFunction)py_token_has_sid, METH_VARARGS,
		NULL },
	{ "is_anonymous", (PyCFunction)py_token_is_anonymous, METH_NOARGS,
		"S.is_anonymus() -> bool\n"
		"Check whether this is an anonymous token." },
	{ "is_system", (PyCFunction)py_token_is_system, METH_NOARGS,
		NULL },
	{ "has_builtin_administrators", (PyCFunction)py_token_has_builtin_administrators, METH_NOARGS,
		NULL },
	{ "has_nt_authenticated_users", (PyCFunction)py_token_has_nt_authenticated_users, METH_NOARGS,
		NULL },
	{ "has_privilege", (PyCFunction)py_token_has_privilege, METH_VARARGS,
		NULL },
	{ "set_privilege", (PyCFunction)py_token_set_privilege, METH_VARARGS,
		NULL },
	{ NULL }
};

#define PY_TOKEN_PATCH py_token_patch
static void py_token_patch(PyTypeObject *type)
{
	type->tp_new = py_token_new;
	PyType_AddMethods(type, py_token_extra_methods);
}

static PyObject *py_privilege_name(PyObject *self, PyObject *args)
{
	int priv;
	if (!PyArg_ParseTuple(args, "i", &priv))
		return NULL;

	return PyString_FromString(sec_privilege_name(priv));
}

static PyObject *py_privilege_id(PyObject *self, PyObject *args)
{
	char *name;

	if (!PyArg_ParseTuple(args, "s", &name))
		return NULL;

	return PyInt_FromLong(sec_privilege_id(name));
}

static PyObject *py_random_sid(PyObject *self)
{
	struct dom_sid *sid;
	PyObject *ret;
    	char *str = talloc_asprintf(NULL, "S-1-5-21-%u-%u-%u", 
			(unsigned)generate_random(), 
			(unsigned)generate_random(), 
			(unsigned)generate_random());

        sid = dom_sid_parse_talloc(NULL, str);
	talloc_free(str);
	ret = py_talloc_import(&dom_sid_Type, sid);
	talloc_free(sid);
	return ret;
}

static PyMethodDef py_mod_security_extra_methods[] = {
	{ "random_sid", (PyCFunction)py_random_sid, METH_NOARGS, NULL },
	{ "privilege_id", (PyCFunction)py_privilege_id, METH_VARARGS, NULL },
	{ "privilege_name", (PyCFunction)py_privilege_name, METH_VARARGS, NULL },
	{ NULL }
};

static void py_mod_security_patch(PyObject *m)
{
	int i;
	for (i = 0; py_mod_security_extra_methods[i].ml_name; i++) {
		PyObject *descr = PyCFunction_New(&py_mod_security_extra_methods[i], NULL);
		PyModule_AddObject(m, py_mod_security_extra_methods[i].ml_name,
				   descr);
	}
}

#define PY_MOD_SECURITY_PATCH py_mod_security_patch