2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
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.
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.
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/>.
24 #include "param/param.h"
25 #include "param/loadparm.h"
29 /* There's no Py_ssize_t in 2.4, apparently */
30 #if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 5
31 typedef int Py_ssize_t;
32 typedef inquiry lenfunc;
35 #ifndef Py_RETURN_NONE
36 #define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
39 #define PyLoadparmContext_AsLoadparmContext(obj) py_talloc_get_ptr(obj)
41 PyAPI_DATA(PyTypeObject) PyLoadparmContext;
42 PyAPI_DATA(PyTypeObject) PyLoadparmService;
44 PyObject *PyLoadparmService_FromService(struct loadparm_service *service)
46 return py_talloc_import(&PyLoadparmService, service);
49 static PyObject *py_lp_ctx_get_helper(struct loadparm_context *lp_ctx, const char *service_name, const char *param_name)
51 struct parm_struct *parm = NULL;
52 void *parm_ptr = NULL;
55 if (service_name != NULL) {
56 struct loadparm_service *service;
57 /* its a share parameter */
58 service = lp_service(lp_ctx, service_name);
59 if (service == NULL) {
62 if (strchr(param_name, ':')) {
63 /* its a parametric option on a share */
64 const char *type = talloc_strndup(lp_ctx,
66 strcspn(param_name, ":"));
67 const char *option = strchr(param_name, ':') + 1;
69 if (type == NULL || option == NULL) {
72 value = lp_get_parametric(lp_ctx, service, type, option);
76 return PyString_FromString(value);
79 parm = lp_parm_struct(param_name);
80 if (parm == NULL || parm->class == P_GLOBAL) {
83 parm_ptr = lp_parm_ptr(lp_ctx, service, parm);
84 } else if (strchr(param_name, ':')) {
85 /* its a global parametric option */
86 const char *type = talloc_strndup(lp_ctx,
87 param_name, strcspn(param_name, ":"));
88 const char *option = strchr(param_name, ':') + 1;
90 if (type == NULL || option == NULL) {
93 value = lp_get_parametric(lp_ctx, NULL, type, option);
96 return PyString_FromString(value);
98 /* its a global parameter */
99 parm = lp_parm_struct(param_name);
103 parm_ptr = lp_parm_ptr(lp_ctx, NULL, parm);
106 if (parm == NULL || parm_ptr == NULL) {
110 /* construct and return the right type of python object */
111 switch (parm->type) {
114 return PyString_FromString(*(char **)parm_ptr);
116 return PyBool_FromLong(*(bool *)parm_ptr);
120 return PyLong_FromLong(*(int *)parm_ptr);
122 for (i=0; parm->enum_list[i].name; i++) {
123 if (*(int *)parm_ptr == parm->enum_list[i].value) {
124 return PyString_FromString(parm->enum_list[i].name);
131 const char **strlist = *(const char ***)parm_ptr;
132 PyObject *pylist = PyList_New(str_list_length(strlist));
133 for (j = 0; strlist[j]; j++)
134 PyList_SetItem(pylist, j,
135 PyString_FromString(strlist[j]));
145 static PyObject *py_lp_ctx_load(py_talloc_Object *self, PyObject *args)
149 if (!PyArg_ParseTuple(args, "s", &filename))
152 ret = lp_load((struct loadparm_context *)self->ptr, filename);
155 PyErr_Format(PyExc_RuntimeError, "Unable to load file %s", filename);
161 static PyObject *py_lp_ctx_load_default(py_talloc_Object *self)
164 ret = lp_load_default(self->ptr);
167 PyErr_SetString(PyExc_RuntimeError, "Unable to load default file");
173 static PyObject *py_lp_ctx_get(py_talloc_Object *self, PyObject *args)
176 char *section_name = NULL;
178 if (!PyArg_ParseTuple(args, "s|s", ¶m_name, §ion_name))
181 ret = py_lp_ctx_get_helper(self->ptr, section_name, param_name);
187 static PyObject *py_lp_ctx_is_myname(py_talloc_Object *self, PyObject *args)
190 if (!PyArg_ParseTuple(args, "s", &name))
193 return PyBool_FromLong(lp_is_myname(self->ptr, name));
196 static PyObject *py_lp_ctx_is_mydomain(py_talloc_Object *self, PyObject *args)
199 if (!PyArg_ParseTuple(args, "s", &name))
202 return PyBool_FromLong(lp_is_mydomain(self->ptr, name));
205 static PyObject *py_lp_ctx_set(py_talloc_Object *self, PyObject *args)
209 if (!PyArg_ParseTuple(args, "ss", &name, &value))
212 ret = lp_set_cmdline(self->ptr, name, value);
214 PyErr_SetString(PyExc_RuntimeError, "Unable to set parameter");
221 static PyObject *py_lp_ctx_private_path(py_talloc_Object *self, PyObject *args)
225 if (!PyArg_ParseTuple(args, "s", &name))
228 path = private_path(NULL, self->ptr, name);
229 ret = PyString_FromString(path);
235 static PyMethodDef py_lp_ctx_methods[] = {
236 { "load", (PyCFunction)py_lp_ctx_load, METH_VARARGS,
237 "S.load(filename) -> None\n"
238 "Load specified file." },
239 { "load_default", (PyCFunction)py_lp_ctx_load_default, METH_NOARGS,
240 "S.load_default() -> None\n"
241 "Load default smb.conf file." },
242 { "is_myname", (PyCFunction)py_lp_ctx_is_myname, METH_VARARGS,
243 "S.is_myname(name) -> bool\n"
244 "Check whether the specified name matches one of our netbios names." },
245 { "is_mydomain", (PyCFunction)py_lp_ctx_is_mydomain, METH_VARARGS,
246 "S.is_mydomain(name) -> bool\n"
247 "Check whether the specified name matches our domain name." },
248 { "get", (PyCFunction)py_lp_ctx_get, METH_VARARGS,
249 "S.get(name, service_name) -> value\n"
250 "Find specified parameter." },
251 { "set", (PyCFunction)py_lp_ctx_set, METH_VARARGS,
252 "S.set(name, value) -> bool\n"
253 "Change a parameter." },
254 { "private_path", (PyCFunction)py_lp_ctx_private_path, METH_VARARGS,
255 "S.private_path(name) -> path\n" },
259 static PyObject *py_lp_ctx_default_service(py_talloc_Object *self, void *closure)
261 return PyLoadparmService_FromService(lp_default_service((struct loadparm_context *)self->ptr));
264 static PyObject *py_lp_ctx_config_file(py_talloc_Object *self, void *closure)
266 return PyString_FromString(lp_configfile(self->ptr));
269 static PyGetSetDef py_lp_ctx_getset[] = {
270 { (char *)"default_service", (getter)py_lp_ctx_default_service, NULL, NULL },
271 { (char *)"configfile", (getter)py_lp_ctx_config_file, NULL,
272 (char *)"Name of last config file that was loaded." },
276 static PyObject *py_lp_ctx_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
278 return py_talloc_import(type, loadparm_init(NULL));
281 static Py_ssize_t py_lp_ctx_len(py_talloc_Object *self)
283 return lp_numservices(self->ptr);
286 static PyObject *py_lp_ctx_getitem(py_talloc_Object *self, PyObject *name)
288 struct loadparm_service *service;
289 if (!PyString_Check(name)) {
290 PyErr_SetString(PyExc_TypeError, "Only string subscripts are supported");
293 service = lp_service(self->ptr, PyString_AsString(name));
294 if (service == NULL) {
295 PyErr_SetString(PyExc_KeyError, "No such section");
298 return PyLoadparmService_FromService(service);
301 static PyMappingMethods py_lp_ctx_mapping = {
302 .mp_length = (lenfunc)py_lp_ctx_len,
303 .mp_subscript = (binaryfunc)py_lp_ctx_getitem,
306 PyTypeObject PyLoadparmContext = {
307 .tp_name = "LoadParm",
308 .tp_basicsize = sizeof(py_talloc_Object),
309 .tp_dealloc = py_talloc_dealloc,
310 .tp_getset = py_lp_ctx_getset,
311 .tp_methods = py_lp_ctx_methods,
312 .tp_new = py_lp_ctx_new,
313 .tp_as_mapping = &py_lp_ctx_mapping,
314 .tp_flags = Py_TPFLAGS_DEFAULT,
317 PyTypeObject PyLoadparmService = {
318 .tp_name = "LoadparmService",
319 .tp_dealloc = py_talloc_dealloc,
320 .tp_basicsize = sizeof(py_talloc_Object),
321 .tp_flags = Py_TPFLAGS_DEFAULT,
324 _PUBLIC_ struct loadparm_context *lp_from_py_object(PyObject *py_obj)
326 struct loadparm_context *lp_ctx;
327 if (PyString_Check(py_obj)) {
328 lp_ctx = loadparm_init(NULL);
329 if (!lp_load(lp_ctx, PyString_AsString(py_obj))) {
331 PyErr_Format(PyExc_RuntimeError,
332 "Unable to load %s", PyString_AsString(py_obj));
338 if (py_obj == Py_None) {
339 lp_ctx = loadparm_init(NULL);
340 /* We're not checking that loading the file succeeded *on purpose */
341 lp_load_default(lp_ctx);
345 return PyLoadparmContext_AsLoadparmContext(py_obj);
348 struct loadparm_context *py_default_loadparm_context(TALLOC_CTX *mem_ctx)
350 struct loadparm_context *ret;
351 ret = loadparm_init(mem_ctx);
352 if (!lp_load_default(ret))
361 if (PyType_Ready(&PyLoadparmContext) < 0)
364 m = Py_InitModule3("param", NULL, "Parsing and writing Samba configuration files.");
368 Py_INCREF(&PyLoadparmContext);
369 PyModule_AddObject(m, "LoadParm", (PyObject *)&PyLoadparmContext);