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samba-mirror/source4/scripting/python/pyglue.c

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/*
Unix SMB/CIFS implementation.
Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
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 "includes.h"
#include "ldb.h"
#include "ldb_errors.h"
#include "param/param.h"
#include "auth/credentials/credentials.h"
#include "dsdb/samdb/samdb.h"
#include "lib/ldb-samba/ldif_handlers.h"
#include "librpc/ndr/libndr.h"
#include "version.h"
#include <Python.h>
#include "lib/ldb/pyldb.h"
#include "libcli/util/pyerrors.h"
#include "libcli/security/security.h"
#include "auth/pyauth.h"
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#include "param/pyparam.h"
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#include "auth/credentials/pycredentials.h"
#ifndef Py_RETURN_NONE
#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
#endif
/* FIXME: These should be in a header file somewhere, once we finish moving
* away from SWIG .. */
#define PyErr_LDB_OR_RAISE(py_ldb, ldb) \
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/* if (!PyLdb_Check(py_ldb)) { \
PyErr_SetString(py_ldb_get_exception(), "Ldb connection object required"); \
return NULL; \
} */\
ldb = PyLdb_AsLdbContext(py_ldb);
static void PyErr_SetLdbError(PyObject *error, int ret, struct ldb_context *ldb_ctx)
{
if (ret == LDB_ERR_PYTHON_EXCEPTION)
return; /* Python exception should already be set, just keep that */
PyErr_SetObject(error,
Py_BuildValue(discard_const_p(char, "(i,s)"), ret,
ldb_ctx == NULL?ldb_strerror(ret):ldb_errstring(ldb_ctx)));
}
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static PyObject *py_ldb_get_exception(void)
{
PyObject *mod = PyImport_ImportModule("ldb");
if (mod == NULL)
return NULL;
return PyObject_GetAttrString(mod, "LdbError");
}
static PyObject *py_generate_random_str(PyObject *self, PyObject *args)
{
int len;
PyObject *ret;
char *retstr;
if (!PyArg_ParseTuple(args, "i", &len))
return NULL;
retstr = generate_random_str(NULL, len);
ret = PyString_FromString(retstr);
talloc_free(retstr);
return ret;
}
static PyObject *py_unix2nttime(PyObject *self, PyObject *args)
{
time_t t;
NTTIME nt;
if (!PyArg_ParseTuple(args, "I", &t))
return NULL;
unix_to_nt_time(&nt, t);
return PyInt_FromLong((uint64_t)nt);
}
static PyObject *py_ldb_set_credentials(PyObject *self, PyObject *args)
{
PyObject *py_creds, *py_ldb;
struct cli_credentials *creds;
struct ldb_context *ldb;
if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_creds))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
creds = cli_credentials_from_py_object(py_creds);
if (creds == NULL) {
PyErr_SetString(PyExc_TypeError, "Expected credentials object");
return NULL;
}
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ldb_set_opaque(ldb, "credentials", creds);
Py_RETURN_NONE;
}
static PyObject *py_ldb_set_loadparm(PyObject *self, PyObject *args)
{
PyObject *py_lp_ctx, *py_ldb;
struct loadparm_context *lp_ctx;
struct ldb_context *ldb;
if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_lp_ctx))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
lp_ctx = lp_from_py_object(py_lp_ctx);
if (lp_ctx == NULL) {
PyErr_SetString(PyExc_TypeError, "Expected loadparm object");
return NULL;
}
ldb_set_opaque(ldb, "loadparm", lp_ctx);
Py_RETURN_NONE;
}
static PyObject *py_ldb_set_session_info(PyObject *self, PyObject *args)
{
PyObject *py_session_info, *py_ldb;
struct auth_session_info *info;
struct ldb_context *ldb;
if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_session_info))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
/*if (!PyAuthSession_Check(py_session_info)) {
PyErr_SetString(PyExc_TypeError, "Expected session info object");
return NULL;
}*/
info = PyAuthSession_AsSession(py_session_info);
ldb_set_opaque(ldb, "sessionInfo", info);
Py_RETURN_NONE;
}
static PyObject *py_samdb_set_domain_sid(PyLdbObject *self, PyObject *args)
{
PyObject *py_ldb, *py_sid;
struct ldb_context *ldb;
struct dom_sid *sid;
bool ret;
if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_sid))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
sid = dom_sid_parse_talloc(NULL, PyString_AsString(py_sid));
ret = samdb_set_domain_sid(ldb, sid);
if (!ret) {
PyErr_SetString(PyExc_RuntimeError, "set_domain_sid failed");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *py_ldb_register_samba_handlers(PyObject *self, PyObject *args)
{
PyObject *py_ldb;
struct ldb_context *ldb;
int ret;
if (!PyArg_ParseTuple(args, "O", &py_ldb))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
ret = ldb_register_samba_handlers(ldb);
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PyErr_LDB_ERROR_IS_ERR_RAISE(py_ldb_get_exception(), ret, ldb);
Py_RETURN_NONE;
}
static PyObject *py_dsdb_set_ntds_invocation_id(PyObject *self, PyObject *args)
{
PyObject *py_ldb, *py_guid;
bool ret;
struct GUID guid;
struct ldb_context *ldb;
if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_guid))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
GUID_from_string(PyString_AsString(py_guid), &guid);
ret = samdb_set_ntds_invocation_id(ldb, &guid);
if (!ret) {
PyErr_SetString(PyExc_RuntimeError, "set_ntds_invocation_id failed");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *py_dsdb_set_opaque_integer(PyObject *self, PyObject *args)
{
PyObject *py_ldb;
int value;
int *old_val, *new_val;
char *py_opaque_name, *opaque_name_talloc;
struct ldb_context *ldb;
TALLOC_CTX *tmp_ctx;
if (!PyArg_ParseTuple(args, "Osi", &py_ldb, &py_opaque_name, &value))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
/* see if we have a cached copy */
old_val = (int *)ldb_get_opaque(ldb,
py_opaque_name);
if (old_val) {
*old_val = value;
Py_RETURN_NONE;
}
tmp_ctx = talloc_new(ldb);
if (tmp_ctx == NULL) {
goto failed;
}
new_val = talloc(tmp_ctx, int);
if (!new_val) {
goto failed;
}
opaque_name_talloc = talloc_strdup(tmp_ctx, py_opaque_name);
if (!opaque_name_talloc) {
goto failed;
}
*new_val = value;
/* cache the domain_sid in the ldb */
if (ldb_set_opaque(ldb, opaque_name_talloc, new_val) != LDB_SUCCESS) {
goto failed;
}
talloc_steal(ldb, new_val);
talloc_steal(ldb, opaque_name_talloc);
talloc_free(tmp_ctx);
Py_RETURN_NONE;
failed:
talloc_free(tmp_ctx);
PyErr_SetString(PyExc_RuntimeError, "Failed to set opaque integer into the ldb!\n");
return NULL;
}
static PyObject *py_dsdb_set_global_schema(PyObject *self, PyObject *args)
{
PyObject *py_ldb;
struct ldb_context *ldb;
int ret;
if (!PyArg_ParseTuple(args, "O", &py_ldb))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
ret = dsdb_set_global_schema(ldb);
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PyErr_LDB_ERROR_IS_ERR_RAISE(py_ldb_get_exception(), ret, ldb);
Py_RETURN_NONE;
}
static PyObject *py_dsdb_set_schema_from_ldif(PyObject *self, PyObject *args)
{
WERROR result;
char *pf, *df;
PyObject *py_ldb;
struct ldb_context *ldb;
if (!PyArg_ParseTuple(args, "Oss", &py_ldb, &pf, &df))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
result = dsdb_set_schema_from_ldif(ldb, pf, df);
PyErr_WERROR_IS_ERR_RAISE(result);
Py_RETURN_NONE;
}
static PyObject *py_dsdb_convert_schema_to_openldap(PyObject *self, PyObject *args)
{
char *target_str, *mapping;
PyObject *py_ldb;
struct ldb_context *ldb;
PyObject *ret;
char *retstr;
if (!PyArg_ParseTuple(args, "Oss", &py_ldb, &target_str, &mapping))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
retstr = dsdb_convert_schema_to_openldap(ldb, target_str, mapping);
if (!retstr) {
PyErr_SetString(PyExc_RuntimeError, "dsdb_convert_schema_to_openldap failed");
return NULL;
}
ret = PyString_FromString(retstr);
talloc_free(retstr);
return ret;
}
static PyObject *py_dsdb_set_schema_from_ldb(PyObject *self, PyObject *args)
{
PyObject *py_ldb;
struct ldb_context *ldb;
PyObject *py_from_ldb;
struct ldb_context *from_ldb;
struct dsdb_schema *schema;
int ret;
if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_from_ldb))
return NULL;
PyErr_LDB_OR_RAISE(py_ldb, ldb);
PyErr_LDB_OR_RAISE(py_from_ldb, from_ldb);
schema = dsdb_get_schema(from_ldb);
if (!schema) {
PyErr_SetString(PyExc_RuntimeError, "Failed to set find a schema on 'from' ldb!\n");
return NULL;
}
ret = dsdb_reference_schema(ldb, schema, true);
PyErr_LDB_ERROR_IS_ERR_RAISE(py_ldb_get_exception(), ret, ldb);
Py_RETURN_NONE;
}
static PyObject *py_dom_sid_to_rid(PyLdbObject *self, PyObject *args)
{
PyObject *py_sid;
struct dom_sid *sid;
uint32_t rid;
NTSTATUS status;
if(!PyArg_ParseTuple(args, "O", &py_sid))
return NULL;
sid = dom_sid_parse_talloc(NULL, PyString_AsString(py_sid));
status = dom_sid_split_rid(NULL, sid, NULL, &rid);
if (!NT_STATUS_IS_OK(status)) {
PyErr_SetString(PyExc_RuntimeError, "dom_sid_split_rid failed");
return NULL;
}
return PyInt_FromLong(rid);
}
static PyMethodDef py_misc_methods[] = {
{ "generate_random_str", (PyCFunction)py_generate_random_str, METH_VARARGS,
"random_password(len) -> string\n"
"Generate random password with specified length." },
{ "unix2nttime", (PyCFunction)py_unix2nttime, METH_VARARGS,
"unix2nttime(timestamp) -> nttime" },
{ "ldb_set_credentials", (PyCFunction)py_ldb_set_credentials, METH_VARARGS,
"ldb_set_credentials(ldb, credentials) -> None\n"
"Set credentials to use when connecting." },
{ "ldb_set_session_info", (PyCFunction)py_ldb_set_session_info, METH_VARARGS,
"ldb_set_session_info(ldb, session_info)\n"
"Set session info to use when connecting." },
{ "ldb_set_loadparm", (PyCFunction)py_ldb_set_loadparm, METH_VARARGS,
"ldb_set_loadparm(ldb, session_info)\n"
"Set loadparm context to use when connecting." },
{ "samdb_set_domain_sid", (PyCFunction)py_samdb_set_domain_sid, METH_VARARGS,
"samdb_set_domain_sid(samdb, sid)\n"
"Set SID of domain to use." },
{ "ldb_register_samba_handlers", (PyCFunction)py_ldb_register_samba_handlers, METH_VARARGS,
"ldb_register_samba_handlers(ldb)\n"
"Register Samba-specific LDB modules and schemas." },
{ "dsdb_set_ntds_invocation_id", (PyCFunction)py_dsdb_set_ntds_invocation_id, METH_VARARGS,
NULL },
{ "dsdb_set_opaque_integer", (PyCFunction)py_dsdb_set_opaque_integer, METH_VARARGS,
NULL },
{ "dsdb_set_global_schema", (PyCFunction)py_dsdb_set_global_schema, METH_VARARGS,
NULL },
{ "dsdb_set_schema_from_ldif", (PyCFunction)py_dsdb_set_schema_from_ldif, METH_VARARGS,
NULL },
{ "dsdb_set_schema_from_ldb", (PyCFunction)py_dsdb_set_schema_from_ldb, METH_VARARGS,
NULL },
{ "dsdb_convert_schema_to_openldap", (PyCFunction)py_dsdb_convert_schema_to_openldap, METH_VARARGS,
NULL },
{ "dom_sid_to_rid", (PyCFunction)py_dom_sid_to_rid, METH_VARARGS,
NULL },
{ NULL }
};
void initglue(void)
{
PyObject *m;
m = Py_InitModule3("glue", py_misc_methods,
"Python bindings for miscellaneous Samba functions.");
if (m == NULL)
return;
PyModule_AddObject(m, "version", PyString_FromString(SAMBA_VERSION_STRING));
PyModule_AddObject(m, "DS_BEHAVIOR_WIN2000", PyInt_FromLong(DS_BEHAVIOR_WIN2000));
PyModule_AddObject(m, "DS_BEHAVIOR_WIN2003_INTERIM", PyInt_FromLong(DS_BEHAVIOR_WIN2003_INTERIM));
PyModule_AddObject(m, "DS_BEHAVIOR_WIN2003", PyInt_FromLong(DS_BEHAVIOR_WIN2003));
PyModule_AddObject(m, "DS_BEHAVIOR_WIN2008", PyInt_FromLong(DS_BEHAVIOR_WIN2008));
}