source4/librpc/rpc/pyrpc.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba utility functions
   4    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
   5
   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.
  10
  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.
  15
  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/>.
  18 */
  19
  20 #include <Python.h>
  21 #include "python/py3compat.h"
  22 #include "includes.h"
  23 #include <structmember.h>
  24 #include "librpc/rpc/pyrpc.h"
  25 #include "lib/events/events.h"
  26 #include "param/pyparam.h"
  27 #include "librpc/rpc/dcerpc.h"
  28 #include "librpc/rpc/pyrpc_util.h"
  29 #include "auth/credentials/pycredentials.h"
  30 #include "auth/gensec/gensec.h"
  31
  32 void initbase(void);
  33
  34 static PyTypeObject dcerpc_InterfaceType;
  35
  36 static PyTypeObject *BaseObject_Type;
  37
  38 static PyTypeObject *ndr_syntax_id_Type;
  39
  40 static bool PyString_AsGUID(PyObject *object, struct GUID *uuid)
  41 {
  42         NTSTATUS status;
  43         status = GUID_from_string(PyStr_AsString(object), uuid);
  44         if (NT_STATUS_IS_ERR(status)) {
  45                 PyErr_SetNTSTATUS(status);
  46                 return false;
  47         }
  48         return true;
  49 }
  50
  51 static bool ndr_syntax_from_py_object(PyObject *object, struct ndr_syntax_id *syntax_id)
  52 {
  53         ZERO_STRUCTP(syntax_id);
  54
  55         if (PyStr_Check(object) || PyUnicode_Check(object)) {
  56                 return PyString_AsGUID(object, &syntax_id->uuid);
  57         } else if (PyTuple_Check(object)) {
  58                 PyObject *item = NULL;
  59                 if (PyTuple_Size(object) < 1 || PyTuple_Size(object) > 2) {
  60                         PyErr_SetString(PyExc_ValueError, "Syntax ID tuple has invalid size");
  61                         return false;
  62                 }
  63
  64                 item = PyTuple_GetItem(object, 0);
  65                 if (!(PyStr_Check(item) || PyUnicode_Check(item))) {
  66                         PyErr_SetString(PyExc_ValueError, "Expected GUID as first element in tuple");
  67                         return false;
  68                 }
  69
  70                 if (!PyString_AsGUID(item, &syntax_id->uuid)) {
  71                         return false;
  72                 }
  73
  74                 item = PyTuple_GetItem(object, 1);
  75                 if (!PyInt_Check(item)) {
  76                         PyErr_SetString(PyExc_ValueError, "Expected version as second element in tuple");
  77                         return false;
  78                 }
  79
  80                 syntax_id->if_version = PyInt_AsLong(item);
  81                 return true;
  82         }
  83
  84         PyErr_SetString(PyExc_TypeError, "Expected UUID or syntax id tuple");
  85         return false;
  86 }
  87
  88 static PyObject *py_iface_server_name(PyObject *obj, void *closure)
  89 {
  90         const char *server_name;
  91         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
  92
  93         server_name = dcerpc_server_name(iface->pipe);
  94         if (server_name == NULL)
  95                 Py_RETURN_NONE;
  96
  97         return PyStr_FromString(server_name);
  98 }
  99
 100 static PyObject *py_ndr_syntax_id(struct ndr_syntax_id *syntax_id)
 101 {
 102         PyObject *ret;
 103         char *uuid_str;
 104
 105         uuid_str = GUID_string(NULL, &syntax_id->uuid);
 106         if (uuid_str == NULL)
 107                 return NULL;
 108
 109         ret = Py_BuildValue("(s,i)", uuid_str, syntax_id->if_version);
 110
 111         talloc_free(uuid_str);
 112
 113         return ret;
 114 }
 115
 116 static PyObject *py_iface_abstract_syntax(PyObject *obj, void *closure)
 117 {
 118         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
 119
 120         return py_ndr_syntax_id(&iface->pipe->syntax);
 121 }
 122
 123 static PyObject *py_iface_transfer_syntax(PyObject *obj, void *closure)
 124 {
 125         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
 126
 127         return py_ndr_syntax_id(&iface->pipe->transfer_syntax);
 128 }
 129
 130 static PyObject *py_iface_session_key(PyObject *obj, void *closure)
 131 {
 132         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
 133         DATA_BLOB session_key;
 134
 135         NTSTATUS status = dcerpc_fetch_session_key(iface->pipe, &session_key);
 136         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 137
 138         return PyBytes_FromStringAndSize((const char *)session_key.data, session_key.length);
 139 }
 140
 141 static PyObject *py_iface_user_session_key(PyObject *obj, void *closure)
 142 {
 143         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
 144         TALLOC_CTX *mem_ctx;
 145         NTSTATUS status;
 146         struct gensec_security *security = NULL;
 147         DATA_BLOB session_key = data_blob_null;
 148         static PyObject *session_key_obj = NULL;
 149
 150         if (iface->pipe == NULL) {
 151                 PyErr_SetNTSTATUS(NT_STATUS_NO_USER_SESSION_KEY);
 152                 return NULL;
 153         }
 154
 155         if (iface->pipe->conn == NULL) {
 156                 PyErr_SetNTSTATUS(NT_STATUS_NO_USER_SESSION_KEY);
 157                 return NULL;
 158         }
 159
 160         if (iface->pipe->conn->security_state.generic_state == NULL) {
 161                 PyErr_SetNTSTATUS(NT_STATUS_NO_USER_SESSION_KEY);
 162                 return NULL;
 163         }
 164
 165         security = iface->pipe->conn->security_state.generic_state;
 166
 167         mem_ctx = talloc_new(NULL);
 168
 169         status = gensec_session_key(security, mem_ctx, &session_key);
 170         if (!NT_STATUS_IS_OK(status)) {
 171                 talloc_free(mem_ctx);
 172                 PyErr_SetNTSTATUS(status);
 173                 return NULL;
 174         }
 175
 176         session_key_obj = PyBytes_FromStringAndSize((const char *)session_key.data,
 177                                                      session_key.length);
 178         talloc_free(mem_ctx);
 179         return session_key_obj;
 180 }
 181
 182 static PyObject *py_iface_get_timeout(PyObject *obj, void *closure)
 183 {
 184         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
 185         uint32_t timeout;
 186
 187         timeout = dcerpc_binding_handle_set_timeout(iface->binding_handle, 0);
 188         dcerpc_binding_handle_set_timeout(iface->binding_handle, timeout);
 189
 190         return PyLong_FromUnsignedLong(timeout);
 191 }
 192
 193 static int py_iface_set_timeout(PyObject *obj, PyObject *value, void *closure)
 194 {
 195         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)obj;
 196         uint32_t timeout;
 197
 198         timeout = PyLong_AsUnsignedLong(value);
 199         if (PyErr_Occurred() != NULL) {
 200                 return -1;
 201         }
 202
 203         dcerpc_binding_handle_set_timeout(iface->binding_handle, timeout);
 204         return 0;
 205 }
 206
 207 static PyGetSetDef dcerpc_interface_getsetters[] = {
 208         { discard_const_p(char, "server_name"), py_iface_server_name, NULL,
 209           discard_const_p(char, "name of the server, if connected over SMB") },
 210         { discard_const_p(char, "abstract_syntax"), py_iface_abstract_syntax, NULL,
 211           discard_const_p(char, "syntax id of the abstract syntax") },
 212         { discard_const_p(char, "transfer_syntax"), py_iface_transfer_syntax, NULL,
 213           discard_const_p(char, "syntax id of the transfersyntax") },
 214         { discard_const_p(char, "session_key"), py_iface_session_key, NULL,
 215           discard_const_p(char, "session key (as used for blob encryption on LSA and SAMR)") },
 216         { discard_const_p(char, "user_session_key"), py_iface_user_session_key, NULL,
 217           discard_const_p(char, "user_session key (as used for blob encryption on DRSUAPI)") },
 218         { discard_const_p(char, "request_timeout"), py_iface_get_timeout, py_iface_set_timeout,
 219           discard_const_p(char, "request timeout, in seconds") },
 220         { NULL }
 221 };
 222
 223 static PyObject *py_iface_request(PyObject *self, PyObject *args, PyObject *kwargs)
 224 {
 225         dcerpc_InterfaceObject *iface = (dcerpc_InterfaceObject *)self;
 226         int opnum;
 227         DATA_BLOB data_in, data_out;
 228         NTSTATUS status;
 229         char *in_data;
 230         Py_ssize_t in_length;
 231         PyObject *ret;
 232         PyObject *object = NULL;
 233         struct GUID object_guid;
 234         TALLOC_CTX *mem_ctx = talloc_new(NULL);
 235         uint32_t out_flags = 0;
 236         const char *kwnames[] = { "opnum", "data", "object", NULL };
 237
 238         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "is#|O:request",
 239                 discard_const_p(char *, kwnames), &opnum, &in_data, &in_length, &object)) {
 240                 talloc_free(mem_ctx);
 241                 return NULL;
 242         }
 243
 244         data_in.data = (uint8_t *)talloc_memdup(mem_ctx, in_data, in_length);
 245         data_in.length = in_length;
 246
 247         ZERO_STRUCT(data_out);
 248
 249         if (object != NULL && !PyString_AsGUID(object, &object_guid)) {
 250                 talloc_free(mem_ctx);
 251                 return NULL;
 252         }
 253
 254         status = dcerpc_binding_handle_raw_call(iface->binding_handle,
 255                                                 object?&object_guid:NULL,
 256                                                 opnum,
 257                                                 0, /* in_flags */
 258                                                 data_in.data,
 259                                                 data_in.length,
 260                                                 mem_ctx,
 261                                                 &data_out.data,
 262                                                 &data_out.length,
 263                                                 &out_flags);
 264         if (!NT_STATUS_IS_OK(status)) {
 265                 PyErr_SetDCERPCStatus(iface->pipe, status);
 266                 talloc_free(mem_ctx);
 267                 return NULL;
 268         }
 269
 270         ret = PyBytes_FromStringAndSize((char *)data_out.data, data_out.length);
 271
 272         talloc_free(mem_ctx);
 273         return ret;
 274 }
 275
 276 static PyMethodDef dcerpc_interface_methods[] = {
 277         { "request", (PyCFunction)py_iface_request, METH_VARARGS|METH_KEYWORDS, "S.request(opnum, data, object=None) -> data\nMake a raw request" },
 278         { NULL, NULL, 0, NULL },
 279 };
 280
 281 static void dcerpc_interface_dealloc(PyObject* self)
 282 {
 283         dcerpc_InterfaceObject *interface = (dcerpc_InterfaceObject *)self;
 284
 285         struct tevent_context *ev_save = talloc_reparent(
 286                 interface->mem_ctx, NULL, interface->ev);
 287         SMB_ASSERT(ev_save != NULL);
 288
 289         interface->binding_handle = NULL;
 290         interface->pipe = NULL;
 291
 292         /*
 293          * Free everything *except* the event context, which must go
 294          * away last
 295          */
 296         TALLOC_FREE(interface->mem_ctx);
 297
 298         /*
 299          * Now wish a fond goodbye to the event context itself
 300          */
 301         talloc_unlink(NULL, ev_save);
 302         self->ob_type->tp_free(self);
 303 }
 304
 305 static PyObject *dcerpc_interface_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 306 {
 307         PyObject *ret;
 308         const char *binding_string = NULL;
 309         PyObject *py_lp_ctx = Py_None;
 310         PyObject *py_credentials = Py_None;
 311         PyObject *syntax = Py_None;
 312         PyObject *py_basis = Py_None;
 313         const char *kwnames[] = {
 314                 "binding", "syntax", "lp_ctx", "credentials", "basis_connection", NULL
 315         };
 316         static struct ndr_interface_table dummy_table;
 317         static struct ndr_interface_string_array dummy_endpoints;
 318         PyObject *args2 = Py_None;
 319         PyObject *kwargs2 = Py_None;
 320
 321         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|OOO:connect", discard_const_p(char *, kwnames), &binding_string, &syntax, &py_lp_ctx, &py_credentials, &py_basis)) {
 322                 return NULL;
 323         }
 324
 325         if (strncmp(binding_string, "irpc:", 5) == 0) {
 326                 PyErr_SetString(PyExc_ValueError, "irpc: transport not supported");
 327                 return NULL;
 328         }
 329
 330         /*
 331          * Fill a dummy interface table struct. TODO: In the future, we should
 332          * rather just allow connecting without requiring an interface table.
 333          *
 334          * We just fill the syntax during the connect, but keep the memory valid
 335          * the whole time.
 336          */
 337         if (!ndr_syntax_from_py_object(syntax, &dummy_table.syntax_id)) {
 338                 return NULL;
 339         }
 340
 341         /*
 342          * Initialise the endpoints list in dummy_table if required
 343          */
 344         if (dummy_table.endpoints == NULL) {
 345                 dummy_table.endpoints = &dummy_endpoints;
 346         }
 347
 348         args2 = Py_BuildValue("(s)", binding_string);
 349         if (args2 == NULL) {
 350                 return NULL;
 351         }
 352
 353         kwargs2 = Py_BuildValue("{s:O,s:O,s:O}",
 354                                 "lp_ctx", py_lp_ctx,
 355                                 "credentials", py_credentials,
 356                                 "basis_connection", py_basis);
 357         if (kwargs2 == NULL) {
 358                 Py_DECREF(args2);
 359                 return NULL;
 360         }
 361
 362         ret = py_dcerpc_interface_init_helper(type, args2, kwargs2, &dummy_table);
 363         ZERO_STRUCT(dummy_table.syntax_id);
 364         Py_DECREF(args2);
 365         Py_DECREF(kwargs2);
 366         return ret;
 367 }
 368
 369 static PyTypeObject dcerpc_InterfaceType = {
 370         PyVarObject_HEAD_INIT(NULL, 0)
 371         .tp_name = "dcerpc.ClientConnection",
 372         .tp_basicsize = sizeof(dcerpc_InterfaceObject),
 373         .tp_dealloc = dcerpc_interface_dealloc,
 374         .tp_getset = dcerpc_interface_getsetters,
 375         .tp_methods = dcerpc_interface_methods,
 376         .tp_doc = "ClientConnection(binding, syntax, lp_ctx=None, credentials=None) -> connection\n"
 377 "\n"
 378 "binding should be a DCE/RPC binding string (for example: ncacn_ip_tcp:127.0.0.1)\n"
 379 "syntax should be a tuple with a GUID and version number of an interface\n"
 380 "lp_ctx should be a path to a smb.conf file or a param.LoadParm object\n"
 381 "credentials should be a credentials.Credentials object.\n\n",
 382         .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
 383         .tp_new = dcerpc_interface_new,
 384 };
 385
 386 static PyObject *py_transfer_syntax_ndr_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 387 {
 388         return py_dcerpc_syntax_init_helper(type, args, kwargs, &ndr_transfer_syntax_ndr);
 389 }
 390
 391 static PyTypeObject py_transfer_syntax_ndr_SyntaxType = {
 392         PyVarObject_HEAD_INIT(NULL, 0)
 393         .tp_name = "base.transfer_syntax_ndr",
 394         .tp_doc = "transfer_syntax_ndr()\n",
 395         .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
 396         .tp_new = py_transfer_syntax_ndr_new,
 397 };
 398
 399 static PyObject *py_transfer_syntax_ndr64_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 400 {
 401         return py_dcerpc_syntax_init_helper(type, args, kwargs, &ndr_transfer_syntax_ndr64);
 402 }
 403
 404 static PyTypeObject py_transfer_syntax_ndr64_SyntaxType = {
 405         PyVarObject_HEAD_INIT(NULL, 0)
 406         .tp_name = "base.transfer_syntax_ndr64",
 407         .tp_doc = "transfer_syntax_ndr64()\n",
 408         .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
 409         .tp_new = py_transfer_syntax_ndr64_new,
 410 };
 411
 412 static PyObject *py_bind_time_features_syntax_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 413 {
 414         const char *kwnames[] = {
 415                 "features", NULL
 416         };
 417         unsigned long long features = 0;
 418         struct ndr_syntax_id syntax;
 419         PyObject *args2 = Py_None;
 420         PyObject *kwargs2 = Py_None;
 421
 422         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "K:features", discard_const_p(char *, kwnames), &features)) {
 423                 return NULL;
 424         }
 425
 426         args2 = Py_BuildValue("()");
 427         if (args2 == NULL) {
 428                 return NULL;
 429         }
 430
 431         kwargs2 = Py_BuildValue("{}");
 432         if (kwargs2 == NULL) {
 433                 Py_DECREF(args2);
 434                 return NULL;
 435         }
 436
 437         syntax = dcerpc_construct_bind_time_features(features);
 438
 439         return py_dcerpc_syntax_init_helper(type, args2, kwargs2, &syntax);
 440 }
 441
 442 static PyTypeObject py_bind_time_features_syntax_SyntaxType = {
 443         PyVarObject_HEAD_INIT(NULL, 0)
 444         .tp_name = "base.bind_time_features_syntax",
 445         .tp_doc = "bind_time_features_syntax(features)\n",
 446         .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
 447         .tp_new = py_bind_time_features_syntax_new,
 448 };
 449
 450 struct py_dcerpc_ndr_pointer {
 451         PyObject *value;
 452 };
 453
 454 static void py_dcerpc_ndr_pointer_dealloc(PyObject* self)
 455 {
 456         struct py_dcerpc_ndr_pointer *obj =
 457                 pytalloc_get_type(self, struct py_dcerpc_ndr_pointer);
 458
 459         Py_DECREF(obj->value);
 460         obj->value = NULL;
 461
 462         self->ob_type->tp_free(self);
 463 }
 464
 465 static PyObject *py_dcerpc_ndr_pointer_get_value(PyObject *self, void *closure)
 466 {
 467         struct py_dcerpc_ndr_pointer *obj =
 468                 pytalloc_get_type(self, struct py_dcerpc_ndr_pointer);
 469
 470         Py_INCREF(obj->value);
 471         return obj->value;
 472 }
 473
 474 static int py_dcerpc_ndr_pointer_set_value(PyObject *self, PyObject *value, void *closure)
 475 {
 476         struct py_dcerpc_ndr_pointer *obj =
 477                 pytalloc_get_type(self, struct py_dcerpc_ndr_pointer);
 478
 479         Py_DECREF(obj->value);
 480         obj->value = value;
 481         Py_INCREF(obj->value);
 482         return 0;
 483 }
 484
 485 static PyGetSetDef py_dcerpc_ndr_pointer_getsetters[] = {
 486         { discard_const_p(char, "value"),
 487           py_dcerpc_ndr_pointer_get_value,
 488           py_dcerpc_ndr_pointer_set_value,
 489           discard_const_p(char, "the value store by the pointer") },
 490         { NULL }
 491 };
 492
 493 static PyObject *py_dcerpc_ndr_pointer_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 494 {
 495         PyObject *ret = NULL;
 496         struct py_dcerpc_ndr_pointer *obj = NULL;
 497         const char *kwnames[] = { "value", NULL };
 498         PyObject *value = NULL;
 499         bool ok;
 500
 501         ok = PyArg_ParseTupleAndKeywords(args, kwargs, "O:value",
 502                                          discard_const_p(char *, kwnames),
 503                                          &value);
 504         if (!ok) {
 505                 return NULL;
 506         }
 507
 508         ret = pytalloc_new(struct py_dcerpc_ndr_pointer, type);
 509         if (ret == NULL) {
 510                 return NULL;
 511         }
 512
 513         obj = pytalloc_get_type(ret, struct py_dcerpc_ndr_pointer);
 514         *obj = (struct py_dcerpc_ndr_pointer) {
 515                 .value = value,
 516         };
 517
 518         Py_INCREF(obj->value);
 519         return ret;
 520 }
 521
 522 static PyTypeObject py_dcerpc_ndr_pointer_type = {
 523         PyVarObject_HEAD_INIT(NULL, 0)
 524         .tp_name = "base.ndr_pointer",
 525         .tp_dealloc = py_dcerpc_ndr_pointer_dealloc,
 526         .tp_getset = py_dcerpc_ndr_pointer_getsetters,
 527         .tp_doc = "ndr_pointer(value)\n",
 528         .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
 529         .tp_new = py_dcerpc_ndr_pointer_new,
 530 };
 531
 532 static struct PyModuleDef moduledef = {
 533     PyModuleDef_HEAD_INIT,
 534     .m_name = "base",
 535     .m_doc = "DCE/RPC protocol implementation",
 536     .m_size = -1,
 537 };
 538
 539 MODULE_INIT_FUNC(base)
 540 {
 541         PyObject *m;
 542         PyObject *dep_talloc;
 543         PyObject *dep_samba_dcerpc_misc;
 544
 545         dep_talloc = PyImport_ImportModule("talloc");
 546         if (dep_talloc == NULL)
 547                 return NULL;
 548
 549         BaseObject_Type = (PyTypeObject *)PyObject_GetAttrString(dep_talloc, "BaseObject");
 550         if (BaseObject_Type == NULL)
 551                 return NULL;
 552
 553         dep_samba_dcerpc_misc = PyImport_ImportModule("samba.dcerpc.misc");
 554         if (dep_samba_dcerpc_misc == NULL)
 555                 return NULL;
 556
 557         ndr_syntax_id_Type = (PyTypeObject *)PyObject_GetAttrString(dep_samba_dcerpc_misc, "ndr_syntax_id");
 558         if (ndr_syntax_id_Type == NULL)
 559                 return NULL;
 560
 561         py_transfer_syntax_ndr_SyntaxType.tp_base = ndr_syntax_id_Type;
 562         py_transfer_syntax_ndr_SyntaxType.tp_basicsize = pytalloc_BaseObject_size();
 563         py_transfer_syntax_ndr64_SyntaxType.tp_base = ndr_syntax_id_Type;
 564         py_transfer_syntax_ndr64_SyntaxType.tp_basicsize = pytalloc_BaseObject_size();
 565         py_bind_time_features_syntax_SyntaxType.tp_base = ndr_syntax_id_Type;
 566         py_bind_time_features_syntax_SyntaxType.tp_basicsize = pytalloc_BaseObject_size();
 567
 568         py_dcerpc_ndr_pointer_type.tp_base = BaseObject_Type;
 569         py_dcerpc_ndr_pointer_type.tp_basicsize = pytalloc_BaseObject_size();
 570
 571         if (PyType_Ready(&dcerpc_InterfaceType) < 0)
 572                 return NULL;
 573
 574         if (PyType_Ready(&py_transfer_syntax_ndr_SyntaxType) < 0)
 575                 return NULL;
 576         if (PyType_Ready(&py_transfer_syntax_ndr64_SyntaxType) < 0)
 577                 return NULL;
 578         if (PyType_Ready(&py_bind_time_features_syntax_SyntaxType) < 0)
 579                 return NULL;
 580
 581         if (PyType_Ready(&py_dcerpc_ndr_pointer_type) < 0)
 582                 return NULL;
 583
 584         m = PyModule_Create(&moduledef);
 585         if (m == NULL)
 586                 return NULL;
 587
 588         Py_INCREF((PyObject *)&dcerpc_InterfaceType);
 589         PyModule_AddObject(m, "ClientConnection", (PyObject *)&dcerpc_InterfaceType);
 590
 591         Py_INCREF((PyObject *)(void *)&py_transfer_syntax_ndr_SyntaxType);
 592         PyModule_AddObject(m, "transfer_syntax_ndr", (PyObject *)(void *)&py_transfer_syntax_ndr_SyntaxType);
 593         Py_INCREF((PyObject *)(void *)&py_transfer_syntax_ndr64_SyntaxType);
 594         PyModule_AddObject(m, "transfer_syntax_ndr64", (PyObject *)(void *)&py_transfer_syntax_ndr64_SyntaxType);
 595         Py_INCREF((PyObject *)(void *)&py_bind_time_features_syntax_SyntaxType);
 596         PyModule_AddObject(m, "bind_time_features_syntax", (PyObject *)(void *)&py_bind_time_features_syntax_SyntaxType);
 597         Py_INCREF((PyObject *)(void *)&py_dcerpc_ndr_pointer_type);
 598         PyModule_AddObject(m, "ndr_pointer", (PyObject *)(void *)&py_dcerpc_ndr_pointer_type);
 599         return m;
 600 }