source: vendor/current/source4/lib/registry/pyregistry.c

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 13.4 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
5 Copyright (C) Wilco Baan Hofman <wilco@baanhofman.nl> 2010
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include <Python.h>
22#include "includes.h"
23#include "libcli/util/pyerrors.h"
24#include "lib/registry/registry.h"
25#include <pytalloc.h>
26#include "lib/events/events.h"
27#include "auth/credentials/pycredentials.h"
28#include "param/pyparam.h"
29
30extern PyTypeObject PyRegistryKey;
31extern PyTypeObject PyRegistry;
32extern PyTypeObject PyHiveKey;
33
34void initregistry(void);
35
36/*#define PyRegistryKey_AsRegistryKey(obj) pytalloc_get_type(obj, struct registry_key)*/
37#define PyRegistry_AsRegistryContext(obj) ((struct registry_context *)pytalloc_get_ptr(obj))
38#define PyHiveKey_AsHiveKey(obj) ((struct hive_key*)pytalloc_get_ptr(obj))
39
40
41static PyObject *py_get_predefined_key_by_name(PyObject *self, PyObject *args)
42{
43 char *name;
44 WERROR result;
45 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
46 struct registry_key *key;
47
48 if (!PyArg_ParseTuple(args, "s", &name))
49 return NULL;
50
51 result = reg_get_predefined_key_by_name(ctx, name, &key);
52 PyErr_WERROR_NOT_OK_RAISE(result);
53
54 return pytalloc_steal(&PyRegistryKey, key);
55}
56
57static PyObject *py_key_del_abs(PyObject *self, PyObject *args)
58{
59 char *path;
60 WERROR result;
61 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
62
63 if (!PyArg_ParseTuple(args, "s", &path))
64 return NULL;
65
66 result = reg_key_del_abs(ctx, path);
67 PyErr_WERROR_NOT_OK_RAISE(result);
68
69 Py_RETURN_NONE;
70}
71
72static PyObject *py_get_predefined_key(PyObject *self, PyObject *args)
73{
74 uint32_t hkey;
75 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
76 WERROR result;
77 struct registry_key *key;
78
79 if (!PyArg_ParseTuple(args, "I", &hkey))
80 return NULL;
81
82 result = reg_get_predefined_key(ctx, hkey, &key);
83 PyErr_WERROR_NOT_OK_RAISE(result);
84
85 return pytalloc_steal(&PyRegistryKey, key);
86}
87
88static PyObject *py_diff_apply(PyObject *self, PyObject *args)
89{
90 char *filename;
91 WERROR result;
92 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
93 if (!PyArg_ParseTuple(args, "s", &filename))
94 return NULL;
95
96 result = reg_diff_apply(ctx, filename);
97 PyErr_WERROR_NOT_OK_RAISE(result);
98
99 Py_RETURN_NONE;
100}
101
102static PyObject *py_mount_hive(PyObject *self, PyObject *args)
103{
104 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
105 uint32_t hkey;
106 PyObject *py_hivekey, *py_elements = Py_None;
107 const char **elements;
108 WERROR result;
109
110 if (!PyArg_ParseTuple(args, "OI|O", &py_hivekey, &hkey, &py_elements))
111 return NULL;
112
113 if (!PyList_Check(py_elements) && py_elements != Py_None) {
114 PyErr_SetString(PyExc_TypeError, "Expected list of elements");
115 return NULL;
116 }
117
118 if (py_elements == Py_None) {
119 elements = NULL;
120 } else {
121 int i;
122 elements = talloc_array(NULL, const char *, PyList_Size(py_elements));
123 for (i = 0; i < PyList_Size(py_elements); i++)
124 elements[i] = PyString_AsString(PyList_GetItem(py_elements, i));
125 }
126
127 SMB_ASSERT(ctx != NULL);
128
129 result = reg_mount_hive(ctx, PyHiveKey_AsHiveKey(py_hivekey), hkey, elements);
130 PyErr_WERROR_NOT_OK_RAISE(result);
131
132 Py_RETURN_NONE;
133}
134
135static PyObject *registry_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
136{
137 WERROR result;
138 struct registry_context *ctx;
139 result = reg_open_local(NULL, &ctx);
140 PyErr_WERROR_NOT_OK_RAISE(result);
141 return pytalloc_steal(&PyRegistry, ctx);
142}
143
144static PyMethodDef registry_methods[] = {
145 { "get_predefined_key_by_name", py_get_predefined_key_by_name, METH_VARARGS,
146 "S.get_predefined_key_by_name(name) -> key\n"
147 "Find a predefined key by name" },
148 { "key_del_abs", py_key_del_abs, METH_VARARGS, "S.key_del_abs(name) -> None\n"
149 "Delete a key by absolute path." },
150 { "get_predefined_key", py_get_predefined_key, METH_VARARGS, "S.get_predefined_key(hkey_id) -> key\n"
151 "Find a predefined key by id" },
152 { "diff_apply", py_diff_apply, METH_VARARGS, "S.diff_apply(filename) -> None\n"
153 "Apply the diff from the specified file" },
154 { "mount_hive", py_mount_hive, METH_VARARGS, "S.mount_hive(key, key_id, elements=None) -> None\n"
155 "Mount the specified key at the specified path." },
156 { NULL }
157};
158
159PyTypeObject PyRegistry = {
160 .tp_name = "Registry",
161 .tp_methods = registry_methods,
162 .tp_new = registry_new,
163 .tp_flags = Py_TPFLAGS_DEFAULT,
164};
165
166static PyObject *py_hive_key_del(PyObject *self, PyObject *args)
167{
168 char *name;
169 struct hive_key *key = PyHiveKey_AsHiveKey(self);
170 WERROR result;
171
172 if (!PyArg_ParseTuple(args, "s", &name))
173 return NULL;
174
175 result = hive_key_del(NULL, key, name);
176
177 PyErr_WERROR_NOT_OK_RAISE(result);
178
179 Py_RETURN_NONE;
180}
181
182static PyObject *py_hive_key_flush(PyObject *self)
183{
184 WERROR result;
185 struct hive_key *key = PyHiveKey_AsHiveKey(self);
186
187 result = hive_key_flush(key);
188 PyErr_WERROR_NOT_OK_RAISE(result);
189
190 Py_RETURN_NONE;
191}
192
193static PyObject *py_hive_key_del_value(PyObject *self, PyObject *args)
194{
195 char *name;
196 WERROR result;
197 struct hive_key *key = PyHiveKey_AsHiveKey(self);
198
199 if (!PyArg_ParseTuple(args, "s", &name))
200 return NULL;
201
202 result = hive_key_del_value(NULL, key, name);
203
204 PyErr_WERROR_NOT_OK_RAISE(result);
205
206 Py_RETURN_NONE;
207}
208
209static PyObject *py_hive_key_set_value(PyObject *self, PyObject *args)
210{
211 char *name;
212 uint32_t type;
213 DATA_BLOB value;
214 Py_ssize_t value_length = 0;
215 WERROR result;
216 struct hive_key *key = PyHiveKey_AsHiveKey(self);
217
218 if (!PyArg_ParseTuple(args, "siz#", &name, &type, &value.data, &value_length)) {
219 return NULL;
220 }
221 value.length = value_length;
222
223 if (value.data != NULL)
224 result = hive_key_set_value(key, name, type, value);
225 else
226 result = hive_key_del_value(NULL, key, name);
227
228 PyErr_WERROR_NOT_OK_RAISE(result);
229
230 Py_RETURN_NONE;
231}
232
233static PyMethodDef hive_key_methods[] = {
234 { "del", py_hive_key_del, METH_VARARGS, "S.del(name) -> None\n"
235 "Delete a subkey" },
236 { "flush", (PyCFunction)py_hive_key_flush, METH_NOARGS, "S.flush() -> None\n"
237 "Flush this key to disk" },
238 { "del_value", py_hive_key_del_value, METH_VARARGS, "S.del_value(name) -> None\n"
239 "Delete a value" },
240 { "set_value", py_hive_key_set_value, METH_VARARGS, "S.set_value(name, type, data) -> None\n"
241 "Set a value" },
242 { NULL }
243};
244
245static PyObject *hive_new(PyTypeObject *type, PyObject *args, PyObject *kwargs) {
246 Py_RETURN_NONE;
247}
248
249static PyObject *py_open_hive(PyTypeObject *type, PyObject *args, PyObject *kwargs)
250{
251 const char *kwnames[] = { "location", "lp_ctx", "session_info", "credentials", NULL };
252 WERROR result;
253 struct loadparm_context *lp_ctx;
254 PyObject *py_lp_ctx, *py_session_info, *py_credentials;
255 struct auth_session_info *session_info;
256 struct cli_credentials *credentials;
257 char *location;
258 struct hive_key *hive_key;
259 TALLOC_CTX *mem_ctx;
260
261 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|OOO",
262 discard_const_p(char *, kwnames),
263 &location,
264 &py_lp_ctx, &py_session_info,
265 &py_credentials))
266 return NULL;
267
268 mem_ctx = talloc_new(NULL);
269 if (mem_ctx == NULL) {
270 PyErr_NoMemory();
271 return NULL;
272 }
273
274 lp_ctx = lpcfg_from_py_object(mem_ctx, py_lp_ctx);
275 if (lp_ctx == NULL) {
276 PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
277 talloc_free(mem_ctx);
278 return NULL;
279 }
280
281 credentials = cli_credentials_from_py_object(py_credentials);
282 if (credentials == NULL) {
283 PyErr_SetString(PyExc_TypeError, "Expected credentials");
284 talloc_free(mem_ctx);
285 return NULL;
286 }
287 session_info = NULL;
288
289 result = reg_open_hive(NULL, location, session_info, credentials,
290 samba_tevent_context_init(NULL),
291 lp_ctx, &hive_key);
292 talloc_free(mem_ctx);
293 PyErr_WERROR_NOT_OK_RAISE(result);
294
295 return pytalloc_steal(&PyHiveKey, hive_key);
296}
297
298PyTypeObject PyHiveKey = {
299 .tp_name = "HiveKey",
300 .tp_methods = hive_key_methods,
301 .tp_new = hive_new,
302 .tp_flags = Py_TPFLAGS_DEFAULT,
303};
304
305PyTypeObject PyRegistryKey = {
306 .tp_name = "RegistryKey",
307 .tp_flags = Py_TPFLAGS_DEFAULT,
308};
309
310static PyObject *py_open_samba(PyObject *self, PyObject *args, PyObject *kwargs)
311{
312 const char *kwnames[] = { "lp_ctx", "session_info", NULL };
313 struct registry_context *reg_ctx;
314 WERROR result;
315 struct loadparm_context *lp_ctx;
316 PyObject *py_lp_ctx, *py_session_info, *py_credentials;
317 struct auth_session_info *session_info;
318 struct cli_credentials *credentials;
319 TALLOC_CTX *mem_ctx;
320
321 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOO",
322 discard_const_p(char *, kwnames),
323 &py_lp_ctx, &py_session_info,
324 &py_credentials))
325 return NULL;
326
327 mem_ctx = talloc_new(NULL);
328 if (mem_ctx == NULL) {
329 PyErr_NoMemory();
330 return NULL;
331 }
332
333 lp_ctx = lpcfg_from_py_object(mem_ctx, py_lp_ctx);
334 if (lp_ctx == NULL) {
335 PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
336 talloc_free(mem_ctx);
337 return NULL;
338 }
339
340 credentials = cli_credentials_from_py_object(py_credentials);
341 if (credentials == NULL) {
342 PyErr_SetString(PyExc_TypeError, "Expected credentials");
343 talloc_free(mem_ctx);
344 return NULL;
345 }
346
347 session_info = NULL; /* FIXME */
348
349 result = reg_open_samba(NULL, &reg_ctx, NULL,
350 lp_ctx, session_info, credentials);
351 talloc_free(mem_ctx);
352 if (!W_ERROR_IS_OK(result)) {
353 PyErr_SetWERROR(result);
354 return NULL;
355 }
356
357 return pytalloc_steal(&PyRegistry, reg_ctx);
358}
359
360static PyObject *py_open_ldb_file(PyObject *self, PyObject *args, PyObject *kwargs)
361{
362 const char *kwnames[] = { "location", "session_info", "credentials", "lp_ctx", NULL };
363 PyObject *py_session_info = Py_None, *py_credentials = Py_None, *py_lp_ctx = Py_None;
364 WERROR result;
365 char *location;
366 struct loadparm_context *lp_ctx;
367 struct cli_credentials *credentials;
368 struct hive_key *key;
369 struct auth_session_info *session_info;
370 TALLOC_CTX *mem_ctx;
371
372 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|OOO",
373 discard_const_p(char *, kwnames),
374 &location, &py_session_info,
375 &py_credentials, &py_lp_ctx))
376 return NULL;
377
378 mem_ctx = talloc_new(NULL);
379 if (mem_ctx == NULL) {
380 PyErr_NoMemory();
381 return NULL;
382 }
383
384 lp_ctx = lpcfg_from_py_object(mem_ctx, py_lp_ctx);
385 if (lp_ctx == NULL) {
386 PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
387 talloc_free(mem_ctx);
388 return NULL;
389 }
390
391 credentials = cli_credentials_from_py_object(py_credentials);
392 if (credentials == NULL) {
393 PyErr_SetString(PyExc_TypeError, "Expected credentials");
394 talloc_free(mem_ctx);
395 return NULL;
396 }
397
398 session_info = NULL; /* FIXME */
399
400 result = reg_open_ldb_file(NULL, location, session_info, credentials,
401 s4_event_context_init(NULL), lp_ctx, &key);
402 talloc_free(mem_ctx);
403 PyErr_WERROR_NOT_OK_RAISE(result);
404
405 return pytalloc_steal(&PyHiveKey, key);
406}
407
408static PyObject *py_str_regtype(PyObject *self, PyObject *args)
409{
410 int regtype;
411
412 if (!PyArg_ParseTuple(args, "i", &regtype))
413 return NULL;
414
415 return PyString_FromString(str_regtype(regtype));
416}
417
418static PyObject *py_get_predef_name(PyObject *self, PyObject *args)
419{
420 uint32_t hkey;
421 const char *str;
422
423 if (!PyArg_ParseTuple(args, "I", &hkey))
424 return NULL;
425
426 str = reg_get_predef_name(hkey);
427 if (str == NULL)
428 Py_RETURN_NONE;
429 return PyString_FromString(str);
430}
431
432static PyMethodDef py_registry_methods[] = {
433 { "open_samba", (PyCFunction)py_open_samba, METH_VARARGS|METH_KEYWORDS, "open_samba() -> reg" },
434 { "open_ldb", (PyCFunction)py_open_ldb_file, METH_VARARGS|METH_KEYWORDS, "open_ldb(location, session_info=None, credentials=None, loadparm_context=None) -> key" },
435 { "open_hive", (PyCFunction)py_open_hive, METH_VARARGS|METH_KEYWORDS, "open_hive(location, session_info=None, credentials=None, loadparm_context=None) -> key" },
436 { "str_regtype", py_str_regtype, METH_VARARGS, "str_regtype(int) -> str" },
437 { "get_predef_name", py_get_predef_name, METH_VARARGS, "get_predef_name(hkey) -> str" },
438 { NULL }
439};
440
441void initregistry(void)
442{
443 PyObject *m;
444
445 if (pytalloc_BaseObject_PyType_Ready(&PyHiveKey) < 0)
446 return;
447
448 if (pytalloc_BaseObject_PyType_Ready(&PyRegistry) < 0)
449 return;
450
451 if (pytalloc_BaseObject_PyType_Ready(&PyRegistryKey) < 0)
452 return;
453
454 m = Py_InitModule3("registry", py_registry_methods, "Registry");
455 if (m == NULL)
456 return;
457
458 PyModule_AddObject(m, "HKEY_CLASSES_ROOT", PyInt_FromLong(HKEY_CLASSES_ROOT));
459 PyModule_AddObject(m, "HKEY_CURRENT_USER", PyInt_FromLong(HKEY_CURRENT_USER));
460 PyModule_AddObject(m, "HKEY_LOCAL_MACHINE", PyInt_FromLong(HKEY_LOCAL_MACHINE));
461 PyModule_AddObject(m, "HKEY_USERS", PyInt_FromLong(HKEY_USERS));
462 PyModule_AddObject(m, "HKEY_PERFORMANCE_DATA", PyInt_FromLong(HKEY_PERFORMANCE_DATA));
463 PyModule_AddObject(m, "HKEY_CURRENT_CONFIG", PyInt_FromLong(HKEY_CURRENT_CONFIG));
464 PyModule_AddObject(m, "HKEY_DYN_DATA", PyInt_FromLong(HKEY_DYN_DATA));
465 PyModule_AddObject(m, "HKEY_PERFORMANCE_TEXT", PyInt_FromLong(HKEY_PERFORMANCE_TEXT));
466 PyModule_AddObject(m, "HKEY_PERFORMANCE_NLSTEXT", PyInt_FromLong(HKEY_PERFORMANCE_NLSTEXT));
467
468 Py_INCREF(&PyRegistry);
469 PyModule_AddObject(m, "Registry", (PyObject *)&PyRegistry);
470
471 Py_INCREF(&PyHiveKey);
472 PyModule_AddObject(m, "HiveKey", (PyObject *)&PyHiveKey);
473
474 Py_INCREF(&PyRegistryKey);
475 PyModule_AddObject(m, "RegistryKey", (PyObject *)&PyRegistryKey);
476}
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