source4/dsdb/pydsdb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2010
   4    Copyright (C) Matthias Dieter Wallnöfer          2009
   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 "includes.h"
  22 #include "libcli/util/pyerrors.h"
  23 #include "dsdb/samdb/samdb.h"
  24 #include "lib/ldb/pyldb.h"
  25 #include "libcli/security/security.h"
  26 #include "librpc/ndr/libndr.h"
  27
  28 /* FIXME: These should be in a header file somewhere, once we finish moving
  29  * away from SWIG .. */
  30 #define PyErr_LDB_OR_RAISE(py_ldb, ldb) \
  31 /*      if (!PyLdb_Check(py_ldb)) { \
  32                 PyErr_SetString(py_ldb_get_exception(), "Ldb connection object required"); \
  33                 return NULL; \
  34         } */\
  35         ldb = PyLdb_AsLdbContext(py_ldb);
  36
  37 static PyObject *py_ldb_get_exception(void)
  38 {
  39         PyObject *mod = PyImport_ImportModule("ldb");
  40         if (mod == NULL)
  41                 return NULL;
  42
  43         return PyObject_GetAttrString(mod, "LdbError");
  44 }
  45
  46 static void PyErr_SetLdbError(PyObject *error, int ret, struct ldb_context *ldb_ctx)
  47 {
  48         if (ret == LDB_ERR_PYTHON_EXCEPTION)
  49                 return; /* Python exception should already be set, just keep that */
  50
  51         PyErr_SetObject(error,
  52                         Py_BuildValue(discard_const_p(char, "(i,s)"), ret,
  53                         ldb_ctx == NULL?ldb_strerror(ret):ldb_errstring(ldb_ctx)));
  54 }
  55
  56 static PyObject *py_samdb_server_site_name(PyObject *self, PyObject *args)
  57 {
  58         PyObject *py_ldb, *result;
  59         struct ldb_context *ldb;
  60         const char *site;
  61         TALLOC_CTX *mem_ctx;
  62
  63         if (!PyArg_ParseTuple(args, "O", &py_ldb))
  64                 return NULL;
  65
  66         PyErr_LDB_OR_RAISE(py_ldb, ldb);
  67
  68         mem_ctx = talloc_new(NULL);
  69
  70         site = samdb_server_site_name(ldb, mem_ctx);
  71         if (site == NULL) {
  72                 PyErr_SetString(PyExc_RuntimeError, "Failed to find server site");
  73                 talloc_free(mem_ctx);
  74                 return NULL;
  75         }
  76
  77         result = PyString_FromString(site);
  78         talloc_free(mem_ctx);
  79         return result;
  80 }
  81
  82 static PyObject *py_dsdb_convert_schema_to_openldap(PyObject *self,
  83                                                                                                         PyObject *args)
  84 {
  85         char *target_str, *mapping;
  86         PyObject *py_ldb;
  87         struct ldb_context *ldb;
  88         PyObject *ret;
  89         char *retstr;
  90
  91         if (!PyArg_ParseTuple(args, "Oss", &py_ldb, &target_str, &mapping))
  92                 return NULL;
  93
  94         PyErr_LDB_OR_RAISE(py_ldb, ldb);
  95
  96         retstr = dsdb_convert_schema_to_openldap(ldb, target_str, mapping);
  97         if (retstr == NULL) {
  98                 PyErr_SetString(PyExc_RuntimeError,
  99                                                 "dsdb_convert_schema_to_openldap failed");
 100                 return NULL;
 101         }
 102
 103         ret = PyString_FromString(retstr);
 104         talloc_free(retstr);
 105         return ret;
 106 }
 107
 108 static PyObject *py_samdb_set_domain_sid(PyLdbObject *self, PyObject *args)
 109 {
 110         PyObject *py_ldb, *py_sid;
 111         struct ldb_context *ldb;
 112         struct dom_sid *sid;
 113         bool ret;
 114
 115         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_sid))
 116                 return NULL;
 117
 118         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 119
 120         sid = dom_sid_parse_talloc(NULL, PyString_AsString(py_sid));
 121
 122         ret = samdb_set_domain_sid(ldb, sid);
 123         if (!ret) {
 124                 PyErr_SetString(PyExc_RuntimeError, "set_domain_sid failed");
 125                 return NULL;
 126         }
 127         Py_RETURN_NONE;
 128 }
 129
 130 static PyObject *py_samdb_set_ntds_settings_dn(PyLdbObject *self, PyObject *args)
 131 {
 132         PyObject *py_ldb, *py_ntds_settings_dn;
 133         struct ldb_context *ldb;
 134         struct ldb_dn *ntds_settings_dn;
 135         TALLOC_CTX *tmp_ctx;
 136         bool ret;
 137
 138         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_ntds_settings_dn))
 139                 return NULL;
 140
 141         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 142
 143         tmp_ctx = talloc_new(NULL);
 144         if (tmp_ctx == NULL) {
 145                 PyErr_NoMemory();
 146                 return NULL;
 147         }
 148
 149         if (!PyObject_AsDn(tmp_ctx, py_ntds_settings_dn, ldb, &ntds_settings_dn)) {
 150                 return NULL;
 151         }
 152
 153         ret = samdb_set_ntds_settings_dn(ldb, ntds_settings_dn);
 154         talloc_free(tmp_ctx);
 155         if (!ret) {
 156                 PyErr_SetString(PyExc_RuntimeError, "set_ntds_settings_dn failed");
 157                 return NULL;
 158         }
 159         Py_RETURN_NONE;
 160 }
 161
 162 static PyObject *py_samdb_get_domain_sid(PyLdbObject *self, PyObject *args)
 163 {
 164         PyObject *py_ldb;
 165         struct ldb_context *ldb;
 166         const struct dom_sid *sid;
 167         PyObject *ret;
 168         char *retstr;
 169
 170         if (!PyArg_ParseTuple(args, "O", &py_ldb))
 171                 return NULL;
 172
 173         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 174
 175         sid = samdb_domain_sid(ldb);
 176         if (!sid) {
 177                 PyErr_SetString(PyExc_RuntimeError, "samdb_domain_sid failed");
 178                 return NULL;
 179         }
 180         retstr = dom_sid_string(NULL, sid);
 181         ret = PyString_FromString(retstr);
 182         talloc_free(retstr);
 183         return ret;
 184 }
 185
 186 static PyObject *py_samdb_ntds_invocation_id(PyObject *self, PyObject *args)
 187 {
 188         PyObject *py_ldb, *result;
 189         struct ldb_context *ldb;
 190         TALLOC_CTX *mem_ctx;
 191         const struct GUID *guid;
 192
 193         mem_ctx = talloc_new(NULL);
 194         if (mem_ctx == NULL) {
 195                 PyErr_NoMemory();
 196                 return NULL;
 197         }
 198
 199         if (!PyArg_ParseTuple(args, "O", &py_ldb)) {
 200                 talloc_free(mem_ctx);
 201                 return NULL;
 202         }
 203
 204         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 205
 206         guid = samdb_ntds_invocation_id(ldb);
 207         if (guid == NULL) {
 208                 PyErr_SetString(PyExc_RuntimeError,
 209                                                 "Failed to find NTDS invocation ID");
 210                 talloc_free(mem_ctx);
 211                 return NULL;
 212         }
 213
 214         result = PyString_FromString(GUID_string(mem_ctx, guid));
 215         talloc_free(mem_ctx);
 216         return result;
 217 }
 218
 219 static PyObject *py_dsdb_get_oid_from_attid(PyObject *self, PyObject *args)
 220 {
 221         PyObject *py_ldb;
 222         struct ldb_context *ldb;
 223         uint32_t attid;
 224         struct dsdb_schema *schema;
 225         const char *oid;
 226         PyObject *ret;
 227         TALLOC_CTX *mem_ctx;
 228         WERROR status;
 229
 230         if (!PyArg_ParseTuple(args, "Oi", &py_ldb, &attid))
 231                 return NULL;
 232
 233         mem_ctx = talloc_new(NULL);
 234         if (mem_ctx == NULL) {
 235            PyErr_NoMemory();
 236            return NULL;
 237         }
 238
 239         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 240
 241         schema = dsdb_get_schema(ldb, NULL);
 242
 243         if (!schema) {
 244                 PyErr_SetString(PyExc_RuntimeError, "Failed to find a schema from ldb \n");
 245                 talloc_free(mem_ctx);
 246                 return NULL;
 247         }
 248
 249         status = dsdb_schema_pfm_oid_from_attid(schema->prefixmap, attid,
 250                                                 mem_ctx, &oid);
 251         PyErr_WERROR_IS_ERR_RAISE(status);
 252
 253         ret = PyString_FromString(oid);
 254
 255         talloc_free(mem_ctx);
 256
 257         return ret;
 258 }
 259
 260 static PyObject *py_dsdb_set_ntds_invocation_id(PyObject *self, PyObject *args)
 261 {
 262         PyObject *py_ldb, *py_guid;
 263         bool ret;
 264         struct GUID guid;
 265         struct ldb_context *ldb;
 266         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_guid))
 267                 return NULL;
 268
 269         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 270         GUID_from_string(PyString_AsString(py_guid), &guid);
 271
 272         ret = samdb_set_ntds_invocation_id(ldb, &guid);
 273         if (!ret) {
 274                 PyErr_SetString(PyExc_RuntimeError, "set_ntds_invocation_id failed");
 275                 return NULL;
 276         }
 277         Py_RETURN_NONE;
 278 }
 279
 280 static PyObject *py_samdb_ntds_objectGUID(PyObject *self, PyObject *args)
 281 {
 282         PyObject *py_ldb, *result;
 283         struct ldb_context *ldb;
 284         TALLOC_CTX *mem_ctx;
 285         const struct GUID *guid;
 286
 287         mem_ctx = talloc_new(NULL);
 288         if (mem_ctx == NULL) {
 289                 PyErr_NoMemory();
 290                 return NULL;
 291         }
 292
 293         if (!PyArg_ParseTuple(args, "O", &py_ldb)) {
 294                 talloc_free(mem_ctx);
 295                 return NULL;
 296         }
 297
 298         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 299
 300         guid = samdb_ntds_objectGUID(ldb);
 301         if (guid == NULL) {
 302                 PyErr_SetString(PyExc_RuntimeError, "Failed to find NTDS GUID");
 303                 talloc_free(mem_ctx);
 304                 return NULL;
 305         }
 306
 307         result = PyString_FromString(GUID_string(mem_ctx, guid));
 308         talloc_free(mem_ctx);
 309         return result;
 310 }
 311
 312 static PyObject *py_dsdb_set_global_schema(PyObject *self, PyObject *args)
 313 {
 314         PyObject *py_ldb;
 315         struct ldb_context *ldb;
 316         int ret;
 317         if (!PyArg_ParseTuple(args, "O", &py_ldb))
 318                 return NULL;
 319
 320         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 321
 322         ret = dsdb_set_global_schema(ldb);
 323         PyErr_LDB_ERROR_IS_ERR_RAISE(py_ldb_get_exception(), ret, ldb);
 324
 325         Py_RETURN_NONE;
 326 }
 327
 328 static PyObject *py_dsdb_load_partition_usn(PyObject *self, PyObject *args)
 329 {
 330         PyObject *py_dn, *py_ldb, *result;
 331         struct ldb_dn *dn;
 332         uint64_t highest_uSN, urgent_uSN;
 333         struct ldb_context *ldb;
 334         TALLOC_CTX *mem_ctx;
 335         int ret;
 336
 337         mem_ctx = talloc_new(NULL);
 338         if (mem_ctx == NULL) {
 339            PyErr_NoMemory();
 340            return NULL;
 341         }
 342
 343         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_dn)) {
 344            talloc_free(mem_ctx);
 345            return NULL;
 346         }
 347
 348         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 349
 350         if (!PyObject_AsDn(mem_ctx, py_dn, ldb, &dn)) {
 351            talloc_free(mem_ctx);
 352            return NULL;
 353         }
 354
 355         ret = dsdb_load_partition_usn(ldb, dn, &highest_uSN, &urgent_uSN);
 356         if (ret != LDB_SUCCESS) {
 357            char *errstr = talloc_asprintf(mem_ctx, "Failed to load partition uSN - %s", ldb_errstring(ldb));
 358            PyErr_SetString(PyExc_RuntimeError, errstr);
 359            talloc_free(mem_ctx);
 360            return NULL;
 361         }
 362
 363         talloc_free(mem_ctx);
 364
 365         result = PyDict_New();
 366
 367         PyDict_SetItemString(result, "uSNHighest", PyInt_FromLong((uint64_t)highest_uSN));
 368         PyDict_SetItemString(result, "uSNUrgent", PyInt_FromLong((uint64_t)urgent_uSN));
 369
 370
 371         return result;
 372 }
 373
 374 static PyObject *py_dsdb_set_am_rodc(PyObject *self, PyObject *args)
 375 {
 376         PyObject *py_ldb;
 377         bool ret;
 378         struct ldb_context *ldb;
 379         int py_val;
 380
 381         if (!PyArg_ParseTuple(args, "Oi", &py_ldb, &py_val))
 382                 return NULL;
 383
 384         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 385         ret = samdb_set_am_rodc(ldb, (bool)py_val);
 386         if (!ret) {
 387                 PyErr_SetString(PyExc_RuntimeError, "set_am_rodc failed");
 388                 return NULL;
 389         }
 390         Py_RETURN_NONE;
 391 }
 392
 393 static PyMethodDef py_dsdb_methods[] = {
 394         { "samdb_server_site_name", (PyCFunction)py_samdb_server_site_name,
 395                 METH_VARARGS, "Get the server site name as a string"},
 396         { "dsdb_convert_schema_to_openldap",
 397                 (PyCFunction)py_dsdb_convert_schema_to_openldap, METH_VARARGS,
 398                 "dsdb_convert_schema_to_openldap(ldb, target_str, mapping) -> str\n"
 399                 "Create an OpenLDAP schema from a schema." },
 400         { "samdb_set_domain_sid", (PyCFunction)py_samdb_set_domain_sid,
 401                 METH_VARARGS,
 402                 "samdb_set_domain_sid(samdb, sid)\n"
 403                 "Set SID of domain to use." },
 404         { "samdb_get_domain_sid", (PyCFunction)py_samdb_get_domain_sid,
 405                 METH_VARARGS,
 406                 "samdb_get_domain_sid(samdb)\n"
 407                 "Get SID of domain in use." },
 408         { "samdb_ntds_invocation_id", (PyCFunction)py_samdb_ntds_invocation_id,
 409                 METH_VARARGS, "get the NTDS invocation ID GUID as a string"},
 410         { "samdb_set_ntds_settings_dn", (PyCFunction)py_samdb_set_ntds_settings_dn,
 411                 METH_VARARGS,
 412                 "samdb_set_ntds_settings_dn(samdb, ntds_settings_dn)\n"
 413                 "Set NTDS Settings DN for this LDB (allows it to be set before the DB fully exists)." },
 414         { "dsdb_get_oid_from_attid", (PyCFunction)py_dsdb_get_oid_from_attid,
 415                 METH_VARARGS, NULL },
 416         { "dsdb_set_ntds_invocation_id",
 417                 (PyCFunction)py_dsdb_set_ntds_invocation_id, METH_VARARGS,
 418                 NULL },
 419         { "samdb_ntds_objectGUID", (PyCFunction)py_samdb_ntds_objectGUID,
 420                 METH_VARARGS, "get the NTDS objectGUID as a string"},
 421         { "dsdb_set_global_schema", (PyCFunction)py_dsdb_set_global_schema,
 422                 METH_VARARGS, NULL },
 423         { "dsdb_load_partition_usn", (PyCFunction)py_dsdb_load_partition_usn,
 424                 METH_VARARGS,
 425                 "get uSNHighest and uSNUrgent from the partition @REPLCHANGED"},
 426         { "dsdb_set_am_rodc",
 427                 (PyCFunction)py_dsdb_set_am_rodc, METH_VARARGS,
 428                 NULL },
 429         { NULL }
 430 };
 431
 432 void initdsdb(void)
 433 {
 434         PyObject *m;
 435
 436         m = Py_InitModule3("dsdb", py_dsdb_methods,
 437                            "Python bindings for the directory service databases.");
 438         if (m == NULL)
 439                 return;
 440
 441         /* "userAccountControl" flags */
 442         PyModule_AddObject(m, "UF_NORMAL_ACCOUNT",
 443                                            PyInt_FromLong(UF_NORMAL_ACCOUNT));
 444         PyModule_AddObject(m, "UF_TEMP_DUPLICATE_ACCOUNT",
 445                                            PyInt_FromLong(UF_TEMP_DUPLICATE_ACCOUNT));
 446         PyModule_AddObject(m, "UF_SERVER_TRUST_ACCOUNT",
 447                                            PyInt_FromLong(UF_SERVER_TRUST_ACCOUNT));
 448         PyModule_AddObject(m, "UF_WORKSTATION_TRUST_ACCOUNT",
 449                                            PyInt_FromLong(UF_WORKSTATION_TRUST_ACCOUNT));
 450         PyModule_AddObject(m, "UF_INTERDOMAIN_TRUST_ACCOUNT",
 451                                            PyInt_FromLong(UF_INTERDOMAIN_TRUST_ACCOUNT));
 452         PyModule_AddObject(m, "UF_PASSWD_NOTREQD",
 453                                            PyInt_FromLong(UF_PASSWD_NOTREQD));
 454         PyModule_AddObject(m, "UF_ACCOUNTDISABLE",
 455                                            PyInt_FromLong(UF_ACCOUNTDISABLE));
 456
 457         /* "groupType" flags */
 458         PyModule_AddObject(m, "GTYPE_SECURITY_BUILTIN_LOCAL_GROUP",
 459                                            PyInt_FromLong(GTYPE_SECURITY_BUILTIN_LOCAL_GROUP));
 460         PyModule_AddObject(m, "GTYPE_SECURITY_GLOBAL_GROUP",
 461                                            PyInt_FromLong(GTYPE_SECURITY_GLOBAL_GROUP));
 462         PyModule_AddObject(m, "GTYPE_SECURITY_DOMAIN_LOCAL_GROUP",
 463                                            PyInt_FromLong(GTYPE_SECURITY_DOMAIN_LOCAL_GROUP));
 464         PyModule_AddObject(m, "GTYPE_SECURITY_UNIVERSAL_GROUP",
 465                                            PyInt_FromLong(GTYPE_SECURITY_UNIVERSAL_GROUP));
 466         PyModule_AddObject(m, "GTYPE_DISTRIBUTION_GLOBAL_GROUP",
 467                                            PyInt_FromLong(GTYPE_DISTRIBUTION_GLOBAL_GROUP));
 468         PyModule_AddObject(m, "GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP",
 469                                            PyInt_FromLong(GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP));
 470         PyModule_AddObject(m, "GTYPE_DISTRIBUTION_UNIVERSAL_GROUP",
 471                                            PyInt_FromLong(GTYPE_DISTRIBUTION_UNIVERSAL_GROUP));
 472
 473         /* "sAMAccountType" flags */
 474         PyModule_AddObject(m, "ATYPE_NORMAL_ACCOUNT",
 475                                            PyInt_FromLong(ATYPE_NORMAL_ACCOUNT));
 476         PyModule_AddObject(m, "ATYPE_WORKSTATION_TRUST",
 477                                            PyInt_FromLong(ATYPE_WORKSTATION_TRUST));
 478         PyModule_AddObject(m, "ATYPE_INTERDOMAIN_TRUST",
 479                                            PyInt_FromLong(ATYPE_INTERDOMAIN_TRUST));
 480         PyModule_AddObject(m, "ATYPE_SECURITY_GLOBAL_GROUP",
 481                                            PyInt_FromLong(ATYPE_SECURITY_GLOBAL_GROUP));
 482         PyModule_AddObject(m, "ATYPE_SECURITY_LOCAL_GROUP",
 483                                            PyInt_FromLong(ATYPE_SECURITY_LOCAL_GROUP));
 484         PyModule_AddObject(m, "ATYPE_SECURITY_UNIVERSAL_GROUP",
 485                                            PyInt_FromLong(ATYPE_SECURITY_UNIVERSAL_GROUP));
 486         PyModule_AddObject(m, "ATYPE_DISTRIBUTION_GLOBAL_GROUP",
 487                                            PyInt_FromLong(ATYPE_DISTRIBUTION_GLOBAL_GROUP));
 488         PyModule_AddObject(m, "ATYPE_DISTRIBUTION_LOCAL_GROUP",
 489                                            PyInt_FromLong(ATYPE_DISTRIBUTION_LOCAL_GROUP));
 490         PyModule_AddObject(m, "ATYPE_DISTRIBUTION_UNIVERSAL_GROUP",
 491                                            PyInt_FromLong(ATYPE_DISTRIBUTION_UNIVERSAL_GROUP));
 492
 493         /* "domainFunctionality", "forestFunctionality" flags in the rootDSE */
 494         PyModule_AddObject(m, "DS_DOMAIN_FUNCTION_2000",
 495                                            PyInt_FromLong(DS_DOMAIN_FUNCTION_2000));
 496         PyModule_AddObject(m, "DS_DOMAIN_FUNCTION_2003_MIXED",
 497                                            PyInt_FromLong(DS_DOMAIN_FUNCTION_2003_MIXED));
 498         PyModule_AddObject(m, "DS_DOMAIN_FUNCTION_2003",
 499                                            PyInt_FromLong(DS_DOMAIN_FUNCTION_2003));
 500         PyModule_AddObject(m, "DS_DOMAIN_FUNCTION_2008",
 501                                            PyInt_FromLong(DS_DOMAIN_FUNCTION_2008));
 502         PyModule_AddObject(m, "DS_DOMAIN_FUNCTION_2008_R2",
 503                                            PyInt_FromLong(DS_DOMAIN_FUNCTION_2008_R2));
 504
 505         /* "domainControllerFunctionality" flags in the rootDSE */
 506         PyModule_AddObject(m, "DS_DC_FUNCTION_2000",
 507                                            PyInt_FromLong(DS_DC_FUNCTION_2000));
 508         PyModule_AddObject(m, "DS_DC_FUNCTION_2003",
 509                                            PyInt_FromLong(DS_DC_FUNCTION_2003));
 510         PyModule_AddObject(m, "DS_DC_FUNCTION_2008",
 511                                            PyInt_FromLong(DS_DC_FUNCTION_2008));
 512         PyModule_AddObject(m, "DS_DC_FUNCTION_2008_R2",
 513                                            PyInt_FromLong(DS_DC_FUNCTION_2008_R2));
 514 }