source: branches/samba-3.5.x/source4/lib/registry/pyregistry.c

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

Samba 3.5.0: Initial import
File size: 12.6 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
20#include "includes.h"
21#include <tevent.h>
22#include <Python.h>
23#include "libcli/util/pyerrors.h"
24#include "lib/registry/registry.h"
25#include "scripting/python/modules.h" /* for py_iconv_convenience() */
26#include <pytalloc.h>
27#include "auth/credentials/pycredentials.h"
28#include "param/pyparam.h"
29
30#ifndef Py_RETURN_NONE
31#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
32#endif
33
34PyAPI_DATA(PyTypeObject) PyRegistryKey;
35PyAPI_DATA(PyTypeObject) PyRegistry;
36PyAPI_DATA(PyTypeObject) PyHiveKey;
37
38/*#define PyRegistryKey_AsRegistryKey(obj) py_talloc_get_type(obj, struct registry_key)*/
39#define PyRegistry_AsRegistryContext(obj) ((struct registry_context *)py_talloc_get_ptr(obj))
40#define PyHiveKey_AsHiveKey(obj) ((struct hive_key*)py_talloc_get_ptr(obj))
41
42
43static PyObject *py_get_predefined_key_by_name(PyObject *self, PyObject *args)
44{
45 char *name;
46 WERROR result;
47 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
48 struct registry_key *key;
49
50 if (!PyArg_ParseTuple(args, "s", &name))
51 return NULL;
52
53 result = reg_get_predefined_key_by_name(ctx, name, &key);
54 PyErr_WERROR_IS_ERR_RAISE(result);
55
56 return py_talloc_steal(&PyRegistryKey, key);
57}
58
59static PyObject *py_key_del_abs(PyObject *self, PyObject *args)
60{
61 char *path;
62 WERROR result;
63 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
64
65 if (!PyArg_ParseTuple(args, "s", &path))
66 return NULL;
67
68 result = reg_key_del_abs(ctx, path);
69 PyErr_WERROR_IS_ERR_RAISE(result);
70
71 Py_RETURN_NONE;
72}
73
74static PyObject *py_get_predefined_key(PyObject *self, PyObject *args)
75{
76 uint32_t hkey;
77 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
78 WERROR result;
79 struct registry_key *key;
80
81 if (!PyArg_ParseTuple(args, "I", &hkey))
82 return NULL;
83
84 result = reg_get_predefined_key(ctx, hkey, &key);
85 PyErr_WERROR_IS_ERR_RAISE(result);
86
87 return py_talloc_steal(&PyRegistryKey, key);
88}
89
90static PyObject *py_diff_apply(PyObject *self, PyObject *args)
91{
92 char *filename;
93 WERROR result;
94 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
95 if (!PyArg_ParseTuple(args, "s", &filename))
96 return NULL;
97
98 result = reg_diff_apply(ctx, py_iconv_convenience(NULL), filename);
99 PyErr_WERROR_IS_ERR_RAISE(result);
100
101 Py_RETURN_NONE;
102}
103
104static PyObject *py_mount_hive(PyObject *self, PyObject *args)
105{
106 struct registry_context *ctx = PyRegistry_AsRegistryContext(self);
107 uint32_t hkey;
108 PyObject *py_hivekey, *py_elements = Py_None;
109 const char **elements;
110 WERROR result;
111
112 if (!PyArg_ParseTuple(args, "OI|O", &py_hivekey, &hkey, &py_elements))
113 return NULL;
114
115 if (!PyList_Check(py_elements) && py_elements != Py_None) {
116 PyErr_SetString(PyExc_TypeError, "Expected list of elements");
117 return NULL;
118 }
119
120 if (py_elements == Py_None) {
121 elements = NULL;
122 } else {
123 int i;
124 elements = talloc_array(NULL, const char *, PyList_Size(py_elements));
125 for (i = 0; i < PyList_Size(py_elements); i++)
126 elements[i] = PyString_AsString(PyList_GetItem(py_elements, i));
127 }
128
129 SMB_ASSERT(ctx != NULL);
130
131 result = reg_mount_hive(ctx, PyHiveKey_AsHiveKey(py_hivekey), hkey, elements);
132 PyErr_WERROR_IS_ERR_RAISE(result);
133
134 Py_RETURN_NONE;
135}
136
137static PyObject *registry_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
138{
139 WERROR result;
140 struct registry_context *ctx;
141 result = reg_open_local(NULL, &ctx);
142 PyErr_WERROR_IS_ERR_RAISE(result);
143 return py_talloc_steal(&PyRegistry, ctx);
144}
145
146static PyMethodDef registry_methods[] = {
147 { "get_predefined_key_by_name", py_get_predefined_key_by_name, METH_VARARGS,
148 "S.get_predefined_key_by_name(name) -> key\n"
149 "Find a predefined key by name" },
150 { "key_del_abs", py_key_del_abs, METH_VARARGS, "S.key_del_abs(name) -> None\n"
151 "Delete a key by absolute path." },
152 { "get_predefined_key", py_get_predefined_key, METH_VARARGS, "S.get_predefined_key(hkey_id) -> key\n"
153 "Find a predefined key by id" },
154 { "diff_apply", py_diff_apply, METH_VARARGS, "S.diff_apply(filename) -> None\n"
155 "Apply the diff from the specified file" },
156 { "mount_hive", py_mount_hive, METH_VARARGS, "S.mount_hive(key, key_id, elements=None) -> None\n"
157 "Mount the specified key at the specified path." },
158 { NULL }
159};
160
161PyTypeObject PyRegistry = {
162 .tp_name = "Registry",
163 .tp_methods = registry_methods,
164 .tp_new = registry_new,
165 .tp_basicsize = sizeof(py_talloc_Object),
166 .tp_dealloc = py_talloc_dealloc,
167 .tp_flags = Py_TPFLAGS_DEFAULT,
168};
169
170static PyObject *py_hive_key_del(PyObject *self, PyObject *args)
171{
172 char *name;
173 struct hive_key *key = PyHiveKey_AsHiveKey(self);
174 WERROR result;
175
176 if (!PyArg_ParseTuple(args, "s", &name))
177 return NULL;
178
179 result = hive_key_del(key, name);
180
181 PyErr_WERROR_IS_ERR_RAISE(result);
182
183 Py_RETURN_NONE;
184}
185
186static PyObject *py_hive_key_flush(PyObject *self)
187{
188 WERROR result;
189 struct hive_key *key = PyHiveKey_AsHiveKey(self);
190
191 result = hive_key_flush(key);
192 PyErr_WERROR_IS_ERR_RAISE(result);
193
194 Py_RETURN_NONE;
195}
196
197static PyObject *py_hive_key_del_value(PyObject *self, PyObject *args)
198{
199 char *name;
200 WERROR result;
201 struct hive_key *key = PyHiveKey_AsHiveKey(self);
202
203 if (!PyArg_ParseTuple(args, "s", &name))
204 return NULL;
205
206 result = hive_key_del_value(key, name);
207
208 PyErr_WERROR_IS_ERR_RAISE(result);
209
210 Py_RETURN_NONE;
211}
212
213static PyObject *py_hive_key_set_value(PyObject *self, PyObject *args)
214{
215 char *name;
216 uint32_t type;
217 DATA_BLOB value;
218 WERROR result;
219 struct hive_key *key = PyHiveKey_AsHiveKey(self);
220
221 if (!PyArg_ParseTuple(args, "siz#", &name, &type, &value.data, &value.length))
222 return NULL;
223
224 if (value.data != NULL)
225 result = hive_key_set_value(key, name, type, value);
226 else
227 result = hive_key_del_value(key, name);
228
229 PyErr_WERROR_IS_ERR_RAISE(result);
230
231 Py_RETURN_NONE;
232}
233
234static PyMethodDef hive_key_methods[] = {
235 { "del", py_hive_key_del, METH_VARARGS, "S.del(name) -> None\n"
236 "Delete a subkey" },
237 { "flush", (PyCFunction)py_hive_key_flush, METH_NOARGS, "S.flush() -> None\n"
238 "Flush this key to disk" },
239 { "del_value", py_hive_key_del_value, METH_VARARGS, "S.del_value(name) -> None\n"
240 "Delete a value" },
241 { "set_value", py_hive_key_set_value, METH_VARARGS, "S.set_value(name, type, data) -> None\n"
242 "Set a value" },
243 { NULL }
244};
245
246static PyObject *hive_open(PyTypeObject *type, PyObject *args, PyObject *kwargs)
247{
248 /* reg_open_hive */
249 Py_RETURN_NONE;
250}
251
252PyTypeObject PyHiveKey = {
253 .tp_name = "HiveKey",
254 .tp_methods = hive_key_methods,
255 .tp_new = hive_open,
256 .tp_basicsize = sizeof(py_talloc_Object),
257 .tp_dealloc = py_talloc_dealloc,
258 .tp_flags = Py_TPFLAGS_DEFAULT,
259};
260
261PyTypeObject PyRegistryKey = {
262 .tp_name = "RegistryKey",
263 .tp_basicsize = sizeof(py_talloc_Object),
264 .tp_dealloc = py_talloc_dealloc,
265 .tp_flags = Py_TPFLAGS_DEFAULT,
266};
267
268static PyObject *py_open_samba(PyObject *self, PyObject *args, PyObject *kwargs)
269{
270 const char *kwnames[] = { "lp_ctx", "session_info", NULL };
271 struct registry_context *reg_ctx;
272 WERROR result;
273 struct loadparm_context *lp_ctx;
274 PyObject *py_lp_ctx, *py_session_info, *py_credentials;
275 struct auth_session_info *session_info;
276 struct cli_credentials *credentials;
277 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOO", discard_const_p(char *, kwnames),
278 &py_lp_ctx, &py_session_info, &py_credentials))
279 return NULL;
280
281 lp_ctx = lp_from_py_object(py_lp_ctx);
282 if (lp_ctx == NULL) {
283 PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
284 return NULL;
285 }
286
287 credentials = cli_credentials_from_py_object(py_credentials);
288 if (credentials == NULL) {
289 PyErr_SetString(PyExc_TypeError, "Expected credentials");
290 return NULL;
291 }
292
293 session_info = NULL; /* FIXME */
294
295 result = reg_open_samba(NULL, &reg_ctx, NULL,
296 lp_ctx, session_info, credentials);
297 if (!W_ERROR_IS_OK(result)) {
298 PyErr_SetWERROR(result);
299 return NULL;
300 }
301
302 return py_talloc_steal(&PyRegistry, reg_ctx);
303}
304
305static PyObject *py_open_directory(PyObject *self, PyObject *args)
306{
307 char *location;
308 WERROR result;
309 struct hive_key *key;
310
311 if (!PyArg_ParseTuple(args, "s", &location))
312 return NULL;
313
314 result = reg_open_directory(NULL, location, &key);
315 PyErr_WERROR_IS_ERR_RAISE(result);
316
317 return py_talloc_steal(&PyHiveKey, key);
318}
319
320static PyObject *py_create_directory(PyObject *self, PyObject *args)
321{
322 char *location;
323 WERROR result;
324 struct hive_key *key;
325
326 if (!PyArg_ParseTuple(args, "s", &location))
327 return NULL;
328
329 result = reg_create_directory(NULL, location, &key);
330 PyErr_WERROR_IS_ERR_RAISE(result);
331
332 return py_talloc_steal(&PyHiveKey, key);
333}
334
335static PyObject *py_open_ldb_file(PyObject *self, PyObject *args, PyObject *kwargs)
336{
337 const char *kwnames[] = { "location", "session_info", "credentials", "lp_ctx", NULL };
338 PyObject *py_session_info = Py_None, *py_credentials = Py_None, *py_lp_ctx = Py_None;
339 WERROR result;
340 char *location;
341 struct loadparm_context *lp_ctx;
342 struct cli_credentials *credentials;
343 struct hive_key *key;
344 struct auth_session_info *session_info;
345
346 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|OOO",
347 discard_const_p(char *, kwnames),
348 &location,
349 &py_session_info, &py_credentials,
350 &py_lp_ctx))
351 return NULL;
352
353 lp_ctx = lp_from_py_object(py_lp_ctx);
354 if (lp_ctx == NULL) {
355 PyErr_SetString(PyExc_TypeError, "Expected loadparm context");
356 return NULL;
357 }
358
359 credentials = cli_credentials_from_py_object(py_credentials);
360 if (credentials == NULL) {
361 PyErr_SetString(PyExc_TypeError, "Expected credentials");
362 return NULL;
363 }
364
365 session_info = NULL; /* FIXME */
366
367 result = reg_open_ldb_file(NULL, location, session_info, credentials,
368 tevent_context_init(NULL), lp_ctx, &key);
369 PyErr_WERROR_IS_ERR_RAISE(result);
370
371 return py_talloc_steal(&PyHiveKey, key);
372}
373
374static PyObject *py_str_regtype(PyObject *self, PyObject *args)
375{
376 int regtype;
377
378 if (!PyArg_ParseTuple(args, "i", &regtype))
379 return NULL;
380
381 return PyString_FromString(str_regtype(regtype));
382}
383
384static PyObject *py_get_predef_name(PyObject *self, PyObject *args)
385{
386 uint32_t hkey;
387 const char *str;
388
389 if (!PyArg_ParseTuple(args, "I", &hkey))
390 return NULL;
391
392 str = reg_get_predef_name(hkey);
393 if (str == NULL)
394 Py_RETURN_NONE;
395 return PyString_FromString(str);
396}
397
398static PyMethodDef py_registry_methods[] = {
399 { "open_samba", (PyCFunction)py_open_samba, METH_VARARGS|METH_KEYWORDS, "open_samba() -> reg" },
400 { "open_directory", py_open_directory, METH_VARARGS, "open_dir(location) -> key" },
401 { "create_directory", py_create_directory, METH_VARARGS, "create_dir(location) -> key" },
402 { "open_ldb", (PyCFunction)py_open_ldb_file, METH_VARARGS|METH_KEYWORDS, "open_ldb(location, session_info=None, credentials=None, loadparm_context=None) -> key" },
403 { "str_regtype", py_str_regtype, METH_VARARGS, "str_regtype(int) -> str" },
404 { "get_predef_name", py_get_predef_name, METH_VARARGS, "get_predef_name(hkey) -> str" },
405 { NULL }
406};
407
408void initregistry(void)
409{
410 PyObject *m;
411
412 if (PyType_Ready(&PyHiveKey) < 0)
413 return;
414
415 if (PyType_Ready(&PyRegistry) < 0)
416 return;
417
418 if (PyType_Ready(&PyRegistryKey) < 0)
419 return;
420
421 m = Py_InitModule3("registry", py_registry_methods, "Registry");
422 if (m == NULL)
423 return;
424
425 PyModule_AddObject(m, "HKEY_CLASSES_ROOT", PyInt_FromLong(HKEY_CLASSES_ROOT));
426 PyModule_AddObject(m, "HKEY_CURRENT_USER", PyInt_FromLong(HKEY_CURRENT_USER));
427 PyModule_AddObject(m, "HKEY_LOCAL_MACHINE", PyInt_FromLong(HKEY_LOCAL_MACHINE));
428 PyModule_AddObject(m, "HKEY_USERS", PyInt_FromLong(HKEY_USERS));
429 PyModule_AddObject(m, "HKEY_PERFORMANCE_DATA", PyInt_FromLong(HKEY_PERFORMANCE_DATA));
430 PyModule_AddObject(m, "HKEY_CURRENT_CONFIG", PyInt_FromLong(HKEY_CURRENT_CONFIG));
431 PyModule_AddObject(m, "HKEY_DYN_DATA", PyInt_FromLong(HKEY_DYN_DATA));
432 PyModule_AddObject(m, "HKEY_PERFORMANCE_TEXT", PyInt_FromLong(HKEY_PERFORMANCE_TEXT));
433 PyModule_AddObject(m, "HKEY_PERFORMANCE_NLSTEXT", PyInt_FromLong(HKEY_PERFORMANCE_NLSTEXT));
434
435 Py_INCREF(&PyRegistry);
436 PyModule_AddObject(m, "Registry", (PyObject *)&PyRegistry);
437
438 Py_INCREF(&PyHiveKey);
439 PyModule_AddObject(m, "HiveKey", (PyObject *)&PyHiveKey);
440
441 Py_INCREF(&PyRegistryKey);
442 PyModule_AddObject(m, "RegistryKey", (PyObject *)&PyRegistryKey);
443}
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