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-rw-r--r--source4/param/param_wrap.c19
-rw-r--r--source4/param/pyparam.c495
2 files changed, 504 insertions, 10 deletions
diff --git a/source4/param/param_wrap.c b/source4/param/param_wrap.c
index 6ce17957c1..596c21038e 100644
--- a/source4/param/param_wrap.c
+++ b/source4/param/param_wrap.c
@@ -2793,27 +2793,26 @@ SWIGINTERN struct param_opt *param_section_next_parameter(param_section *self,st
struct loadparm_context *lp_from_py_object(PyObject *py_obj)
{
- struct loadparm_context *lp_ctx;
+ struct loadparm_context *lp_ctx = NULL;
if (PyString_Check(py_obj)) {
lp_ctx = loadparm_init(NULL);
if (!lp_load(lp_ctx, PyString_AsString(py_obj))) {
talloc_free(lp_ctx);
+ PyErr_SetString(PyExc_RuntimeError, "Unable to load file");
return NULL;
}
return lp_ctx;
}
- if (py_obj == Py_None) {
- lp_ctx = loadparm_init(NULL);
- if (!lp_load_default(lp_ctx)) {
- talloc_free(lp_ctx);
- return NULL;
- }
+ SWIG_ConvertPtr(py_obj, (void *)&lp_ctx, SWIGTYPE_p_loadparm_context, 0 | 0 );
+ if (lp_ctx != NULL)
return lp_ctx;
+ lp_ctx = loadparm_init(NULL);
+ if (!lp_load_default(lp_ctx)) {
+ talloc_free(lp_ctx);
+ PyErr_SetString(PyExc_RuntimeError, "Unable to load default file");
+ return NULL;
}
-
- if (SWIG_ConvertPtr(py_obj, (void *)&lp_ctx, SWIGTYPE_p_loadparm_context, 0 | 0 ) < 0)
- return NULL;
return lp_ctx;
}
diff --git a/source4/param/pyparam.c b/source4/param/pyparam.c
new file mode 100644
index 0000000000..b432398065
--- /dev/null
+++ b/source4/param/pyparam.c
@@ -0,0 +1,495 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+ Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
+
+ 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 <stdint.h>
+#include <stdbool.h>
+
+#include "includes.h"
+#include "param/param.h"
+#include "param/loadparm.h"
+#include "pytalloc.h"
+
+#define PyLoadparmContext_AsLoadparmContext(obj) py_talloc_get_ptr(obj)
+#define PyLoadparmContext_Check(obj) PyObject_TypeCheck(obj, &PyLoadparmContext)
+
+PyAPI_DATA(PyTypeObject) PyLoadparmContext;
+PyAPI_DATA(PyTypeObject) PyLoadparmService;
+
+PyObject *PyLoadparmService_FromService(struct loadparm_service *service)
+{
+ return py_talloc_import(&PyLoadparmService, service);
+}
+
+static PyObject *py_lp_ctx_get_helper(struct loadparm_context *lp_ctx, const char *service_name, const char *param_name)
+{
+ struct parm_struct *parm = NULL;
+ void *parm_ptr = NULL;
+ int i;
+
+ if (service_name != NULL) {
+ struct loadparm_service *service;
+ /* its a share parameter */
+ service = lp_service(lp_ctx, service_name);
+ if (service == NULL) {
+ return NULL;
+ }
+ if (strchr(param_name, ':')) {
+ /* its a parametric option on a share */
+ const char *type = talloc_strndup(lp_ctx,
+ param_name,
+ strcspn(param_name, ":"));
+ const char *option = strchr(param_name, ':') + 1;
+ const char *value;
+ if (type == NULL || option == NULL) {
+ return NULL;
+ }
+ value = lp_get_parametric(lp_ctx, service, type, option);
+ if (value == NULL) {
+ return NULL;
+ }
+ return PyString_FromString(value);
+ }
+
+ parm = lp_parm_struct(param_name);
+ if (parm == NULL || parm->class == P_GLOBAL) {
+ return NULL;
+ }
+ parm_ptr = lp_parm_ptr(lp_ctx, service, parm);
+ } else if (strchr(param_name, ':')) {
+ /* its a global parametric option */
+ const char *type = talloc_strndup(lp_ctx,
+ param_name, strcspn(param_name, ":"));
+ const char *option = strchr(param_name, ':') + 1;
+ const char *value;
+ if (type == NULL || option == NULL) {
+ return NULL;
+ }
+ value = lp_get_parametric(lp_ctx, NULL, type, option);
+ if (value == NULL)
+ return NULL;
+ return PyString_FromString(value);
+ } else {
+ /* its a global parameter */
+ parm = lp_parm_struct(param_name);
+ if (parm == NULL) {
+ return NULL;
+ }
+ parm_ptr = lp_parm_ptr(lp_ctx, NULL, parm);
+ }
+
+ if (parm == NULL || parm_ptr == NULL) {
+ return NULL;
+ }
+
+ /* construct and return the right type of python object */
+ switch (parm->type) {
+ case P_STRING:
+ case P_USTRING:
+ return PyString_FromString(*(char **)parm_ptr);
+ case P_BOOL:
+ return PyBool_FromLong(*(bool *)parm_ptr);
+ case P_INTEGER:
+ case P_OCTAL:
+ case P_BYTES:
+ return PyLong_FromLong(*(int *)parm_ptr);
+ case P_ENUM:
+ for (i=0; parm->enum_list[i].name; i++) {
+ if (*(int *)parm_ptr == parm->enum_list[i].value) {
+ return PyString_FromString(parm->enum_list[i].name);
+ }
+ }
+ return NULL;
+ case P_LIST:
+ {
+ int j;
+ const char **strlist = *(const char ***)parm_ptr;
+ PyObject *pylist = PyList_New(str_list_length(strlist));
+ for (j = 0; strlist[j]; j++)
+ PyList_SetItem(pylist, j,
+ PyString_FromString(strlist[j]));
+ return pylist;
+ }
+
+ break;
+ }
+ return NULL;
+
+}
+
+static PyObject *py_lp_ctx_load(py_talloc_Object *self, PyObject *args)
+{
+ char *filename;
+ bool ret;
+ if (!PyArg_ParseTuple(args, "s", &filename))
+ return NULL;
+
+ ret = lp_load((struct loadparm_context *)self->ptr, filename);
+
+ if (!ret) {
+ PyErr_SetString(PyExc_RuntimeError, "Unable to load file");
+ return NULL;
+ }
+ return Py_None;
+}
+
+static PyObject *py_lp_ctx_load_default(py_talloc_Object *self)
+{
+ bool ret;
+ ret = lp_load_default(self->ptr);
+
+ if (!ret) {
+ PyErr_SetString(PyExc_RuntimeError, "Unable to load file");
+ return NULL;
+ }
+ return Py_None;
+}
+
+static PyObject *py_lp_ctx_get(py_talloc_Object *self, PyObject *args)
+{
+ char *param_name;
+ char *section_name = NULL;
+ PyObject *ret;
+ if (!PyArg_ParseTuple(args, "s|s", &param_name, &section_name))
+ return NULL;
+
+ ret = py_lp_ctx_get_helper(self->ptr, section_name, param_name);
+ if (ret == NULL)
+ return Py_None;
+ return ret;
+}
+
+static PyObject *py_lp_ctx_is_myname(py_talloc_Object *self, PyObject *args)
+{
+ char *name;
+ if (!PyArg_ParseTuple(args, "s", &name))
+ return NULL;
+
+ return PyBool_FromLong(lp_is_myname(self->ptr, name));
+}
+
+static PyObject *py_lp_ctx_set(py_talloc_Object *self, PyObject *args)
+{
+ char *name, *value;
+ bool ret;
+ if (!PyArg_ParseTuple(args, "ss", &name, &value))
+ return NULL;
+
+ ret = lp_set_cmdline(self->ptr, name, value);
+ if (!ret) {
+ PyErr_SetString(PyExc_RuntimeError, "Unable to set parameter");
+ return NULL;
+ }
+
+ return Py_None;
+}
+
+static PyObject *py_lp_ctx_private_path(py_talloc_Object *self, PyObject *args)
+{
+ char *name, *path;
+ PyObject *ret;
+ if (!PyArg_ParseTuple(args, "s", &name))
+ return NULL;
+
+ path = private_path(NULL, self->ptr, name);
+ ret = PyString_FromString(path);
+ talloc_free(path);
+
+ return ret;
+}
+
+static PyMethodDef py_lp_ctx_methods[] = {
+ { "load", (PyCFunction)py_lp_ctx_load, METH_VARARGS,
+ "S.load(filename) -> None\n"
+ "Load specified file." },
+ { "load_default", (PyCFunction)py_lp_ctx_load_default, METH_NOARGS,
+ "S.load_default() -> None\n"
+ "Load default smb.conf file." },
+ { "is_myname", (PyCFunction)py_lp_ctx_is_myname, METH_VARARGS,
+ "S.is_myname(name) -> bool\n"
+ "Check whether the specified name matches one of our netbios names." },
+ { "get", (PyCFunction)py_lp_ctx_get, METH_VARARGS,
+ "S.get(name, service_name) -> value\n"
+ "Find specified parameter." },
+ { "set", (PyCFunction)py_lp_ctx_set, METH_VARARGS,
+ "S.set(name, value) -> bool\n"
+ "Change a parameter." },
+ { "private_path", (PyCFunction)py_lp_ctx_private_path, METH_VARARGS,
+ "S.private_path(name) -> path\n" },
+ { NULL }
+};
+
+static PyObject *py_lp_ctx_default_service(py_talloc_Object *self, void *closure)
+{
+ return PyLoadparmService_FromService(lp_default_service((struct loadparm_context *)self->ptr));
+}
+
+static PyObject *py_lp_ctx_config_file(py_talloc_Object *self, void *closure)
+{
+ return PyString_FromString(lp_configfile(self->ptr));
+}
+
+static PyGetSetDef py_lp_ctx_getset[] = {
+ { (char *)"default_service", (getter)py_lp_ctx_default_service, NULL, NULL },
+ { (char *)"config_file", (getter)py_lp_ctx_config_file, NULL,
+ (char *)"Name of last config file that was loaded." },
+ { NULL }
+};
+
+static PyObject *py_lp_ctx_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
+{
+ return py_talloc_import(type, loadparm_init(NULL));
+}
+
+static Py_ssize_t py_lp_ctx_len(py_talloc_Object *self)
+{
+ return lp_numservices(self->ptr);
+}
+
+static PyObject *py_lp_ctx_getitem(py_talloc_Object *self, PyObject *name)
+{
+ struct loadparm_service *service;
+ if (!PyString_Check(name)) {
+ PyErr_SetString(PyExc_TypeError, "Only string subscripts are supported");
+ return NULL;
+ }
+ service = lp_service(self->ptr, PyString_AsString(name));
+ if (service == NULL) {
+ PyErr_SetString(PyExc_KeyError, "No such section");
+ return NULL;
+ }
+ return PyLoadparmService_FromService(service);
+}
+
+static PyMappingMethods py_lp_ctx_mapping = {
+ .mp_length = (lenfunc)py_lp_ctx_len,
+ .mp_subscript = (binaryfunc)py_lp_ctx_getitem,
+};
+
+PyTypeObject PyLoadparmContext = {
+ .tp_name = "LoadparmContext",
+ .tp_basicsize = sizeof(py_talloc_Object),
+ .tp_dealloc = py_talloc_dealloc,
+ .tp_getset = py_lp_ctx_getset,
+ .tp_methods = py_lp_ctx_methods,
+ .tp_new = py_lp_ctx_new,
+ .tp_as_mapping = &py_lp_ctx_mapping,
+ .tp_flags = Py_TPFLAGS_DEFAULT,
+};
+
+PyTypeObject PyLoadparmService = {
+ .tp_name = "LoadparmService",
+ .tp_dealloc = py_talloc_dealloc,
+ .tp_basicsize = sizeof(py_talloc_Object),
+ .tp_flags = Py_TPFLAGS_DEFAULT,
+};
+
+struct loadparm_context *lp_from_py_object(PyObject *py_obj)
+{
+ struct loadparm_context *lp_ctx;
+ if (PyString_Check(py_obj)) {
+ lp_ctx = loadparm_init(NULL);
+ if (!lp_load(lp_ctx, PyString_AsString(py_obj))) {
+ talloc_free(lp_ctx);
+ return NULL;
+ }
+ return lp_ctx;
+ }
+
+ if (py_obj == Py_None) {
+ lp_ctx = loadparm_init(NULL);
+ if (!lp_load_default(lp_ctx)) {
+ talloc_free(lp_ctx);
+ return NULL;
+ }
+ return lp_ctx;
+ }
+
+ if (PyLoadparmContext_Check(py_obj))
+ return PyLoadparmContext_AsLoadparmContext(py_obj);
+
+ return NULL;
+}
+
+struct loadparm_context *py_default_loadparm_context(TALLOC_CTX *mem_ctx)
+{
+ struct loadparm_context *ret;
+ ret = loadparm_init(mem_ctx);
+ if (!lp_load_default(ret))
+ return NULL;
+ return ret;
+}
+
+void initparam(void)
+{
+ PyObject *m;
+
+ if (PyType_Ready(&PyLoadparmContext) < 0)
+ return;
+
+ m = Py_InitModule3("param", NULL, "Parsing and writing Samba configuration files.");
+ if (m == NULL)
+ return;
+
+ Py_INCREF(&PyLoadparmContext);
+ PyModule_AddObject(m, "LoadparmContext", (PyObject *)&PyLoadparmContext);
+}
+
+/*
+typedef struct loadparm_context {
+ %extend {
+ int use(struct param_context *param_ctx) { return param_use($self, param_ctx); }
+ }
+} loadparm_context;
+
+typedef struct loadparm_service {
+ %extend {
+ const char *volume_label(struct loadparm_service *sDefault) { return volume_label($self, sDefault); }
+ const char *printername(struct loadparm_service *sDefault) { return lp_printername($self, sDefault); }
+ int maxprintjobs(struct loadparm_service *sDefault) { return lp_maxprintjobs($self, sDefault); }
+ }
+} loadparm_service;
+
+%rename(ParamFile) param_context;
+
+%talloctype(param_context);
+typedef struct param_context {
+ %extend {
+ param(TALLOC_CTX *mem_ctx) { return param_init(mem_ctx); }
+ %feature("docstring") add_section "S.get_section(name) -> section\n"
+ "Get an existing section.";
+ struct param_section *get_section(const char *name);
+ %feature("docstring") add_section "S.add_section(name) -> section\n"
+ "Add a new section.";
+ struct param_section *add_section(const char *name);
+ struct param_opt *get(const char *name, const char *section_name="global");
+ const char *get_string(const char *name, const char *section_name="global");
+ int set_string(const char *param, const char *value, const char *section="global");
+#ifdef SWIGPYTHON
+ int set(const char *parameter, PyObject *ob, const char *section_name="global")
+ {
+ struct param_opt *opt = param_get_add($self, parameter, section_name);
+
+ talloc_free(opt->value);
+ opt->value = talloc_strdup(opt, PyString_AsString(PyObject_Str(ob)));
+
+ return 0;
+ }
+
+#endif
+
+ %feature("docstring") first_section "S.first_section() -> section\n"
+ "Find first section";
+ struct param_section *first_section() { return $self->sections; }
+ %feature("docstring") next_section "S.next_section(prev) -> section\n"
+ "Find next section";
+ struct param_section *next_section(struct param_section *s) { return s->next; }
+
+ %feature("docstring") read "S.read(filename) -> bool\n"
+ "Read a filename.";
+ int read(const char *fn);
+ %feature("docstring") read "S.write(filename) -> bool\n"
+ "Write this object to a file.";
+ int write(const char *fn);
+ }
+ %pythoncode {
+ def __getitem__(self, name):
+ ret = self.get_section(name)
+ if ret is None:
+ raise KeyError("No such section %s" % name)
+ return ret
+
+ class SectionIterator:
+ def __init__(self, param):
+ self.param = param
+ self.key = None
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.key is None:
+ self.key = self.param.first_section()
+ if self.key is None:
+ raise StopIteration
+ return self.key
+ else:
+ self.key = self.param.next_section(self.key)
+ if self.key is None:
+ raise StopIteration
+ return self.key
+
+ def __iter__(self):
+ return self.SectionIterator(self)
+ }
+} param;
+
+%talloctype(param_opt);
+
+typedef struct param_opt {
+ %immutable key;
+ %immutable value;
+ const char *key, *value;
+ %extend {
+#ifdef SWIGPYTHON
+ const char *__str__() { return $self->value; }
+#endif
+ }
+} param_opt;
+
+%talloctype(param);
+typedef struct param_section {
+ %immutable name;
+ const char *name;
+ %extend {
+ struct param_opt *get(const char *name);
+ struct param_opt *first_parameter() { return $self->parameters; }
+ struct param_opt *next_parameter(struct param_opt *s) { return s->next; }
+ }
+ %pythoncode {
+ def __getitem__(self, name):
+ ret = self.get(name)
+ if ret is None:
+ raise KeyError("No such option %s" % name)
+ return ret
+
+ class ParamIterator:
+ def __init__(self, section):
+ self.section = section
+ self.key = None
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.key is None:
+ self.key = self.section.first_parameter()
+ if self.key is None:
+ raise StopIteration
+ return self.key
+ else:
+ self.key = self.section.next_parameter(self.key)
+ if self.key is None:
+ raise StopIteration
+ return self.key
+
+ def __iter__(self):
+ return self.ParamIterator(self)
+ }
+} param_section;
+*/