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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008-2009
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
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 "auth/auth.h"
#include "lib/ldb_wrap.h"
#include "ldb/include/ldb.h"
#include "ldb_errors.h"
#include "libcli/raw/libcliraw.h"
#include "librpc/ndr/libndr.h"
#include "param/param.h"
#include "param/provision.h"
#include "param/secrets.h"
#include <Python.h>
#include "lib/talloc/pytalloc.h"
#include "librpc/rpc/pyrpc.h"
#include "scripting/python/modules.h"
#include "lib/ldb/pyldb.h"
#include "param/pyparam.h"
static PyObject *provision_module(void)
{
PyObject *name = PyString_FromString("samba.provision");
if (name == NULL)
return NULL;
return PyImport_Import(name);
}
NTSTATUS provision_bare(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx,
struct provision_settings *settings,
struct provision_result *result)
{
const char *configfile;
PyObject *provision_mod, *provision_dict, *provision_fn, *py_result, *parameters;
DEBUG(0,("Provision for Become-DC test using python\n"));
py_load_samba_modules();
Py_Initialize();
py_update_path("bin"); /* FIXME: Can't assume this is always the case */
provision_mod = provision_module();
if (provision_mod == NULL) {
PyErr_Print();
DEBUG(0, ("Unable to import provision Python module.\n"));
return NT_STATUS_UNSUCCESSFUL;
}
provision_dict = PyModule_GetDict(provision_mod);
if (provision_dict == NULL) {
DEBUG(0, ("Unable to get dictionary for provision module\n"));
return NT_STATUS_UNSUCCESSFUL;
}
provision_fn = PyDict_GetItemString(provision_dict, "provision_become_dc");
if (provision_fn == NULL) {
PyErr_Print();
DEBUG(0, ("Unable to get provision_become_dc function\n"));
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(0,("New Server in Site[%s]\n",
settings->site_name));
DEBUG(0,("DSA Instance [%s]\n"
"\tinvocationId[%s]\n",
settings->ntds_dn_str,
settings->invocation_id == NULL?"None":GUID_string(mem_ctx, settings->invocation_id)));
DEBUG(0,("Pathes under targetdir[%s]\n",
settings->targetdir));
parameters = PyDict_New();
configfile = lp_configfile(lp_ctx);
if (configfile != NULL) {
PyDict_SetItemString(parameters, "smbconf",
PyString_FromString(configfile));
}
PyDict_SetItemString(parameters, "rootdn",
PyString_FromString(settings->root_dn_str));
if (settings->targetdir != NULL)
PyDict_SetItemString(parameters, "targetdir",
PyString_FromString(settings->targetdir));
PyDict_SetItemString(parameters, "setup_dir",
PyString_FromString("setup"));
PyDict_SetItemString(parameters, "hostname",
PyString_FromString(settings->netbios_name));
PyDict_SetItemString(parameters, "domain",
PyString_FromString(settings->domain));
PyDict_SetItemString(parameters, "realm",
PyString_FromString(settings->realm));
if (settings->root_dn_str)
PyDict_SetItemString(parameters, "rootdn",
PyString_FromString(settings->root_dn_str));
if (settings->domain_dn_str)
PyDict_SetItemString(parameters, "domaindn",
PyString_FromString(settings->domain_dn_str));
if (settings->schema_dn_str)
PyDict_SetItemString(parameters, "schemadn",
PyString_FromString(settings->schema_dn_str));
if (settings->config_dn_str)
PyDict_SetItemString(parameters, "configdn",
PyString_FromString(settings->config_dn_str));
if (settings->server_dn_str)
PyDict_SetItemString(parameters, "serverdn",
PyString_FromString(settings->server_dn_str));
if (settings->site_name)
PyDict_SetItemString(parameters, "sitename",
PyString_FromString(settings->site_name));
PyDict_SetItemString(parameters, "machinepass",
PyString_FromString(settings->machine_password));
PyDict_SetItemString(parameters, "debuglevel", PyInt_FromLong(DEBUGLEVEL));
py_result = PyEval_CallObjectWithKeywords(provision_fn, NULL, parameters);
Py_DECREF(parameters);
if (py_result == NULL) {
PyErr_Print();
PyErr_Clear();
return NT_STATUS_UNSUCCESSFUL;
}
result->domaindn = talloc_strdup(mem_ctx, PyString_AsString(PyObject_GetAttrString(py_result, "domaindn")));
/* FIXME paths */
result->lp_ctx = lp_from_py_object(PyObject_GetAttrString(py_result, "lp"));
result->samdb = PyLdb_AsLdbContext(PyObject_GetAttrString(py_result, "samdb"));
return NT_STATUS_OK;
}
extern void initldb(void);
static PyObject *py_dom_sid_FromSid(struct dom_sid *sid)
{
PyObject *mod_security, *dom_sid_Type;
mod_security = PyImport_ImportModule("samba.dcerpc.security");
if (mod_security == NULL)
return NULL;
dom_sid_Type = PyObject_GetAttrString(mod_security, "dom_sid");
if (dom_sid_Type == NULL)
return NULL;
return py_talloc_reference((PyTypeObject *)dom_sid_Type, sid);
}
NTSTATUS provision_store_self_join(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx,
struct tevent_context *event_ctx,
struct provision_store_self_join_settings *settings,
const char **error_string)
{
int ret;
PyObject *provision_mod, *provision_dict, *provision_fn, *py_result, *parameters, *py_sid;
struct ldb_context *ldb;
TALLOC_CTX *tmp_mem = talloc_new(mem_ctx);
if (!tmp_mem) {
return NT_STATUS_NO_MEMORY;
}
/* Open the secrets database */
ldb = secrets_db_connect(tmp_mem, event_ctx, lp_ctx);
if (!ldb) {
*error_string
= talloc_asprintf(mem_ctx,
"Could not open secrets database");
talloc_free(tmp_mem);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
ret = ldb_transaction_start(ldb);
if (ret != LDB_SUCCESS) {
*error_string
= talloc_asprintf(mem_ctx,
"Could not start transaction on secrets database: %s", ldb_errstring(ldb));
talloc_free(tmp_mem);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
py_load_samba_modules();
Py_Initialize();
py_update_path("bin"); /* FIXME: Can't assume this is always the case */
initldb();
provision_mod = provision_module();
if (provision_mod == NULL) {
PyErr_Print();
*error_string
= talloc_asprintf(mem_ctx, "Unable to import provision Python module.");
talloc_free(tmp_mem);
return NT_STATUS_UNSUCCESSFUL;
}
provision_dict = PyModule_GetDict(provision_mod);
if (provision_dict == NULL) {
*error_string
= talloc_asprintf(mem_ctx, "Unable to get dictionary for provision module");
talloc_free(tmp_mem);
return NT_STATUS_UNSUCCESSFUL;
}
provision_fn = PyDict_GetItemString(provision_dict, "secretsdb_self_join");
if (provision_fn == NULL) {
PyErr_Print();
*error_string
= talloc_asprintf(mem_ctx, "Unable to get provision_become_dc function");
talloc_free(tmp_mem);
return NT_STATUS_UNSUCCESSFUL;
}
parameters = PyDict_New();
PyDict_SetItemString(parameters, "secretsdb",
PyLdb_FromLdbContext(ldb));
PyDict_SetItemString(parameters, "domain",
PyString_FromString(settings->domain_name));
PyDict_SetItemString(parameters, "domain",
PyString_FromString(settings->domain_name));
PyDict_SetItemString(parameters, "realm",
PyString_FromString(settings->realm));
PyDict_SetItemString(parameters, "machinepass",
PyString_FromString(settings->machine_password));
PyDict_SetItemString(parameters, "netbiosname",
PyString_FromString(settings->netbios_name));
py_sid = py_dom_sid_FromSid(settings->domain_sid);
if (py_sid == NULL) {
Py_DECREF(parameters);
goto failure;
}
PyDict_SetItemString(parameters, "domainsid",
py_sid);
PyDict_SetItemString(parameters, "secure_channel_type",
PyInt_FromLong(settings->secure_channel_type));
PyDict_SetItemString(parameters, "key_version_number",
PyInt_FromLong(settings->key_version_number));
py_result = PyEval_CallObjectWithKeywords(provision_fn, NULL, parameters);
Py_DECREF(parameters);
if (py_result == NULL) {
goto failure;
}
ret = ldb_transaction_commit(ldb);
if (ret != LDB_SUCCESS) {
*error_string
= talloc_asprintf(mem_ctx,
"Could not commit transaction on secrets database: %s", ldb_errstring(ldb));
talloc_free(tmp_mem);
return NT_STATUS_INTERNAL_DB_ERROR;
}
talloc_free(tmp_mem);
return NT_STATUS_OK;
failure:
ldb_transaction_cancel(ldb);
talloc_free(tmp_mem);
PyErr_Print();
PyErr_Clear();
return NT_STATUS_UNSUCCESSFUL;
}
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