py: Fix initialisation of subtypes, fix segfaults.

source4/scripting/python/pyglue.c

@@ -0,0 +1,273 @@
+/* 
+   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 "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 "pyldb.h"
+#include "libcli/util/pyerrors.h"
+#include "librpc/gen_ndr/py_misc.h"
+#include "librpc/gen_ndr/py_security.h"
+
+/* FIXME: These should be in a header file somewhere, once we finish moving
+ * away from SWIG .. */
+extern struct loadparm_context *lp_from_py_object(PyObject *py_obj);
+extern struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj);
+
+#define PyErr_LDB_OR_RAISE(py_ldb, ldb) \
+	if (!PyLdb_Check(py_ldb)) { \
+		/*PyErr_SetString(PyExc_TypeError, "Ldb connection object required"); \
+		return NULL; \ */ \
+	} \
+	ldb = PyLdb_AsLdbContext(py_ldb);
+
+
+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;
+	}
+
+    	ldb_set_opaque(ldb, "credentials", creds);
+
+	return Py_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);
+
+	return Py_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);
+	/* FIXME: Magic py_session_info -> info */
+
+    	ldb_set_opaque(ldb, "sessionInfo", info);
+
+	return Py_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);
+
+	if (!dom_sid_Check(py_sid)) {
+		PyErr_SetString(PyExc_TypeError, "expected SID");
+		return NULL;
+	}
+
+	sid = py_talloc_get_ptr(py_sid);
+
+	ret = samdb_set_domain_sid(ldb, sid);
+	if (!ret) {
+		PyErr_SetString(PyExc_RuntimeError, "set_domain_sid failed");
+		return NULL;
+	} 
+	return Py_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);
+
+	PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb);
+	return Py_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);
+	if (!GUID_Check(py_guid)) {
+		PyErr_SetString(PyExc_TypeError, "Expected GUID");
+		return NULL;
+	}
+	guid = py_talloc_get_ptr(py_guid);
+
+	ret = samdb_set_ntds_invocation_id(ldb, guid);
+	if (!ret) {
+		PyErr_SetString(PyExc_RuntimeError, "set_ntds_invocation_id failed");
+		return NULL;
+	}
+	return Py_None;
+}
+
+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);
+	PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb);
+
+	return Py_None;
+}
+
+static PyObject *py_dsdb_attach_schema_from_ldif_file(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_attach_schema_from_ldif_file(ldb, pf, df);
+	PyErr_WERROR_IS_ERR_RAISE(result);
+
+	return Py_None;
+}
+
+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_global_schema", (PyCFunction)py_dsdb_set_global_schema, METH_VARARGS,
+		NULL },
+	{ "dsdb_attach_schema_from_ldif_file", (PyCFunction)py_dsdb_attach_schema_from_ldif_file, 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));
+}
+