source4/lib/ldb/pyldb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Python interface to ldb.
   5
   6    Copyright (C) 2005,2006 Tim Potter <tpot@samba.org>
   7    Copyright (C) 2006 Simo Sorce <idra@samba.org>
   8    Copyright (C) 2007-2010 Jelmer Vernooij <jelmer@samba.org>
   9    Copyright (C) 2009-2010 Matthias Dieter Wallnöfer
  10
  11          ** NOTE! The following LGPL license applies to the ldb
  12          ** library. This does NOT imply that all of Samba is released
  13          ** under the LGPL
  14
  15    This library is free software; you can redistribute it and/or
  16    modify it under the terms of the GNU Lesser General Public
  17    License as published by the Free Software Foundation; either
  18    version 3 of the License, or (at your option) any later version.
  19
  20    This library is distributed in the hope that it will be useful,
  21    but WITHOUT ANY WARRANTY; without even the implied warranty of
  22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  23    Lesser General Public License for more details.
  24
  25    You should have received a copy of the GNU Lesser General Public
  26    License along with this library; if not, see <http://www.gnu.org/licenses/>.
  27 */
  28
  29 #include <Python.h>
  30 #include "replace.h"
  31 #include "ldb_private.h"
  32 #include "pyldb.h"
  33
  34 /* There's no Py_ssize_t in 2.4, apparently */
  35 #if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 5
  36 typedef int Py_ssize_t;
  37 typedef inquiry lenfunc;
  38 typedef intargfunc ssizeargfunc;
  39 #endif
  40
  41 #ifndef Py_RETURN_NONE
  42 #define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
  43 #endif
  44
  45 static void PyErr_SetLdbError(PyObject *error, int ret, struct ldb_context *ldb_ctx)
  46 {
  47         if (ret == LDB_ERR_PYTHON_EXCEPTION)
  48                 return; /* Python exception should already be set, just keep that */
  49
  50         PyErr_SetObject(error,
  51                                         Py_BuildValue(discard_const_p(char, "(i,s)"), ret,
  52                                   ldb_ctx == NULL?ldb_strerror(ret):ldb_errstring(ldb_ctx)));
  53 }
  54
  55 static PyObject *PyExc_LdbError;
  56
  57 PyAPI_DATA(PyTypeObject) PyLdbMessage;
  58 PyAPI_DATA(PyTypeObject) PyLdbModule;
  59 PyAPI_DATA(PyTypeObject) PyLdbDn;
  60 PyAPI_DATA(PyTypeObject) PyLdb;
  61 PyAPI_DATA(PyTypeObject) PyLdbMessageElement;
  62 PyAPI_DATA(PyTypeObject) PyLdbTree;
  63
  64 static PyObject *PyLdb_FromLdbContext(struct ldb_context *ldb_ctx);
  65
  66 static PyObject *PyObject_FromLdbValue(struct ldb_context *ldb_ctx,
  67                                                            struct ldb_message_element *el,
  68                                                            struct ldb_val *val)
  69 {
  70         struct ldb_val new_val;
  71         TALLOC_CTX *mem_ctx = talloc_new(NULL);
  72         PyObject *ret;
  73
  74         new_val = *val;
  75
  76         ret = PyString_FromStringAndSize((const char *)new_val.data, new_val.length);
  77
  78         talloc_free(mem_ctx);
  79
  80         return ret;
  81 }
  82
  83 /**
  84  * Create a Python object from a ldb_result.
  85  *
  86  * @param result LDB result to convert
  87  * @return Python object with converted result (a list object)
  88  */
  89 static PyObject *PyLdbResult_FromResult(struct ldb_result *result)
  90 {
  91         PyObject *ret;
  92         int i;
  93         if (result == NULL) {
  94                 Py_RETURN_NONE;
  95         }
  96         ret = PyList_New(result->count);
  97         for (i = 0; i < result->count; i++) {
  98                 PyList_SetItem(ret, i, PyLdbMessage_FromMessage(result->msgs[i])
  99                 );
 100         }
 101         return ret;
 102 }
 103
 104 /**
 105  * Create a LDB Result from a Python object.
 106  * If conversion fails, NULL will be returned and a Python exception set.
 107  *
 108  * @param mem_ctx Memory context in which to allocate the LDB Result
 109  * @param obj Python object to convert
 110  * @return a ldb_result, or NULL if the conversion failed
 111  */
 112 static struct ldb_result *PyLdbResult_AsResult(TALLOC_CTX *mem_ctx,
 113                                                                                            PyObject *obj)
 114 {
 115         struct ldb_result *res;
 116         int i;
 117
 118         if (obj == Py_None)
 119                 return NULL;
 120
 121         res = talloc_zero(mem_ctx, struct ldb_result);
 122         res->count = PyList_Size(obj);
 123         res->msgs = talloc_array(res, struct ldb_message *, res->count);
 124         for (i = 0; i < res->count; i++) {
 125                 PyObject *item = PyList_GetItem(obj, i);
 126                 res->msgs[i] = PyLdbMessage_AsMessage(item);
 127         }
 128         return res;
 129 }
 130
 131 static PyObject *py_ldb_dn_validate(PyLdbDnObject *self)
 132 {
 133         return PyBool_FromLong(ldb_dn_validate(self->dn));
 134 }
 135
 136 static PyObject *py_ldb_dn_is_valid(PyLdbDnObject *self)
 137 {
 138         return PyBool_FromLong(ldb_dn_is_valid(self->dn));
 139 }
 140
 141 static PyObject *py_ldb_dn_is_special(PyLdbDnObject *self)
 142 {
 143         return PyBool_FromLong(ldb_dn_is_special(self->dn));
 144 }
 145
 146 static PyObject *py_ldb_dn_is_null(PyLdbDnObject *self)
 147 {
 148         return PyBool_FromLong(ldb_dn_is_null(self->dn));
 149 }
 150
 151 static PyObject *py_ldb_dn_get_casefold(PyLdbDnObject *self)
 152 {
 153         return PyString_FromString(ldb_dn_get_casefold(self->dn));
 154 }
 155
 156 static PyObject *py_ldb_dn_get_linearized(PyLdbDnObject *self)
 157 {
 158         return PyString_FromString(ldb_dn_get_linearized(self->dn));
 159 }
 160
 161 static PyObject *py_ldb_dn_canonical_str(PyLdbDnObject *self)
 162 {
 163         return PyString_FromString(ldb_dn_canonical_string(self->dn, self->dn));
 164 }
 165
 166 static PyObject *py_ldb_dn_canonical_ex_str(PyLdbDnObject *self)
 167 {
 168         return PyString_FromString(ldb_dn_canonical_ex_string(self->dn, self->dn));
 169 }
 170
 171 static PyObject *py_ldb_dn_repr(PyLdbDnObject *self)
 172 {
 173         return PyString_FromFormat("Dn(%s)", PyObject_REPR(PyString_FromString(ldb_dn_get_linearized(self->dn))));
 174 }
 175
 176 static PyObject *py_ldb_dn_check_special(PyLdbDnObject *self, PyObject *args)
 177 {
 178         char *name;
 179
 180         if (!PyArg_ParseTuple(args, "s", &name))
 181                 return NULL;
 182
 183         return ldb_dn_check_special(self->dn, name)?Py_True:Py_False;
 184 }
 185
 186 static int py_ldb_dn_compare(PyLdbDnObject *dn1, PyLdbDnObject *dn2)
 187 {
 188         int ret;
 189         ret = ldb_dn_compare(dn1->dn, dn2->dn);
 190         if (ret < 0) ret = -1;
 191         if (ret > 0) ret = 1;
 192         return ret;
 193 }
 194
 195 static PyObject *py_ldb_dn_get_parent(PyLdbDnObject *self)
 196 {
 197         struct ldb_dn *dn = PyLdbDn_AsDn((PyObject *)self);
 198         struct ldb_dn *parent;
 199         PyLdbDnObject *py_ret;
 200         TALLOC_CTX *mem_ctx = talloc_new(NULL);
 201
 202         parent = ldb_dn_get_parent(mem_ctx, dn);
 203         if (parent == NULL) {
 204                 talloc_free(mem_ctx);
 205                 Py_RETURN_NONE;
 206         }
 207
 208         py_ret = (PyLdbDnObject *)PyLdbDn.tp_alloc(&PyLdbDn, 0);
 209         if (py_ret == NULL) {
 210                 PyErr_NoMemory();
 211                 talloc_free(mem_ctx);
 212                 return NULL;
 213         }
 214         py_ret->mem_ctx = mem_ctx;
 215         py_ret->dn = parent;
 216         return (PyObject *)py_ret;
 217 }
 218
 219 #define dn_ldb_ctx(dn) ((struct ldb_context *)dn)
 220
 221 static PyObject *py_ldb_dn_add_child(PyLdbDnObject *self, PyObject *args)
 222 {
 223         PyObject *py_other;
 224         struct ldb_dn *dn, *other;
 225         if (!PyArg_ParseTuple(args, "O", &py_other))
 226                 return NULL;
 227
 228         dn = PyLdbDn_AsDn((PyObject *)self);
 229
 230         if (!PyObject_AsDn(NULL, py_other, dn_ldb_ctx(dn), &other))
 231                 return NULL;
 232
 233         return ldb_dn_add_child(dn, other)?Py_True:Py_False;
 234 }
 235
 236 static PyObject *py_ldb_dn_add_base(PyLdbDnObject *self, PyObject *args)
 237 {
 238         PyObject *py_other;
 239         struct ldb_dn *other, *dn;
 240         if (!PyArg_ParseTuple(args, "O", &py_other))
 241                 return NULL;
 242
 243         dn = PyLdbDn_AsDn((PyObject *)self);
 244
 245         if (!PyObject_AsDn(NULL, py_other, dn_ldb_ctx(dn), &other))
 246                 return NULL;
 247
 248         return ldb_dn_add_base(dn, other)?Py_True:Py_False;
 249 }
 250
 251 static PyMethodDef py_ldb_dn_methods[] = {
 252         { "validate", (PyCFunction)py_ldb_dn_validate, METH_NOARGS,
 253                 "S.validate() -> bool\n"
 254                 "Validate DN is correct." },
 255         { "is_valid", (PyCFunction)py_ldb_dn_is_valid, METH_NOARGS,
 256                 "S.is_valid() -> bool\n" },
 257         { "is_special", (PyCFunction)py_ldb_dn_is_special, METH_NOARGS,
 258                 "S.is_special() -> bool\n"
 259                 "Check whether this is a special LDB DN." },
 260         { "is_null", (PyCFunction)py_ldb_dn_is_null, METH_NOARGS,
 261                 "Check whether this is a null DN." },
 262         { "get_casefold", (PyCFunction)py_ldb_dn_get_casefold, METH_NOARGS,
 263                 NULL },
 264         { "get_linearized", (PyCFunction)py_ldb_dn_get_linearized, METH_NOARGS,
 265                 NULL },
 266         { "canonical_str", (PyCFunction)py_ldb_dn_canonical_str, METH_NOARGS,
 267                 "S.canonical_str() -> string\n"
 268                 "Canonical version of this DN (like a posix path)." },
 269         { "canonical_ex_str", (PyCFunction)py_ldb_dn_canonical_ex_str, METH_NOARGS,
 270                 "S.canonical_ex_str() -> string\n"
 271                 "Canonical version of this DN (like a posix path, with terminating newline)." },
 272         { "check_special", (PyCFunction)py_ldb_dn_is_special, METH_VARARGS,
 273                 NULL },
 274         { "parent", (PyCFunction)py_ldb_dn_get_parent, METH_NOARGS,
 275                 "S.parent() -> dn\n"
 276                 "Get the parent for this DN." },
 277         { "add_child", (PyCFunction)py_ldb_dn_add_child, METH_VARARGS,
 278                 "S.add_child(dn) -> None\n"
 279                 "Add a child DN to this DN." },
 280         { "add_base", (PyCFunction)py_ldb_dn_add_base, METH_VARARGS,
 281                 "S.add_base(dn) -> None\n"
 282                 "Add a base DN to this DN." },
 283         { "check_special", (PyCFunction)py_ldb_dn_check_special, METH_VARARGS,
 284                 NULL },
 285         { NULL }
 286 };
 287
 288 static Py_ssize_t py_ldb_dn_len(PyLdbDnObject *self)
 289 {
 290         return ldb_dn_get_comp_num(PyLdbDn_AsDn((PyObject *)self));
 291 }
 292
 293 static PyObject *py_ldb_dn_concat(PyLdbDnObject *self, PyObject *py_other)
 294 {
 295         struct ldb_dn *dn = PyLdbDn_AsDn((PyObject *)self),
 296                                   *other;
 297         PyLdbDnObject *py_ret;
 298
 299         if (!PyObject_AsDn(NULL, py_other, NULL, &other))
 300                 return NULL;
 301
 302         py_ret = (PyLdbDnObject *)PyLdbDn.tp_alloc(&PyLdbDn, 0);
 303         if (py_ret == NULL) {
 304                 PyErr_NoMemory();
 305                 return NULL;
 306         }
 307         py_ret->mem_ctx = talloc_new(NULL);
 308         py_ret->dn = ldb_dn_copy(py_ret->mem_ctx, dn);
 309         ldb_dn_add_child(py_ret->dn, other);
 310         return (PyObject *)py_ret;
 311 }
 312
 313 static PySequenceMethods py_ldb_dn_seq = {
 314         .sq_length = (lenfunc)py_ldb_dn_len,
 315         .sq_concat = (binaryfunc)py_ldb_dn_concat,
 316 };
 317
 318 static PyObject *py_ldb_dn_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 319 {
 320         struct ldb_dn *ret;
 321         char *str;
 322         PyObject *py_ldb;
 323         struct ldb_context *ldb_ctx;
 324         TALLOC_CTX *mem_ctx;
 325         PyLdbDnObject *py_ret;
 326         const char * const kwnames[] = { "ldb", "dn", NULL };
 327
 328         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "Os",
 329                                          discard_const_p(char *, kwnames),
 330                                          &py_ldb, &str))
 331                 return NULL;
 332
 333         ldb_ctx = PyLdb_AsLdbContext(py_ldb);
 334
 335         mem_ctx = talloc_new(NULL);
 336         if (mem_ctx == NULL) {
 337                 PyErr_NoMemory();
 338                 return NULL;
 339         }
 340
 341         ret = ldb_dn_new(mem_ctx, ldb_ctx, str);
 342
 343         if (ret == NULL || !ldb_dn_validate(ret)) {
 344                 talloc_free(mem_ctx);
 345                 PyErr_SetString(PyExc_ValueError, "unable to parse dn string");
 346                 return NULL;
 347         }
 348
 349         py_ret = (PyLdbDnObject *)type->tp_alloc(type, 0);
 350         if (ret == NULL) {
 351                 talloc_free(mem_ctx);
 352                 PyErr_NoMemory();
 353                 return NULL;
 354         }
 355         py_ret->mem_ctx = mem_ctx;
 356         py_ret->dn = ret;
 357         return (PyObject *)py_ret;
 358 }
 359
 360 PyObject *PyLdbDn_FromDn(struct ldb_dn *dn)
 361 {
 362         PyLdbDnObject *py_ret;
 363
 364         if (dn == NULL) {
 365                 Py_RETURN_NONE;
 366         }
 367
 368         py_ret = (PyLdbDnObject *)PyLdbDn.tp_alloc(&PyLdbDn, 0);
 369         if (py_ret == NULL) {
 370                 PyErr_NoMemory();
 371                 return NULL;
 372         }
 373         py_ret->mem_ctx = talloc_new(NULL);
 374         py_ret->dn = talloc_reference(py_ret->mem_ctx, dn);
 375         return (PyObject *)py_ret;
 376 }
 377
 378 static void py_ldb_dn_dealloc(PyLdbDnObject *self)
 379 {
 380         talloc_free(self->mem_ctx);
 381         self->ob_type->tp_free(self);
 382 }
 383
 384 PyTypeObject PyLdbDn = {
 385         .tp_name = "ldb.Dn",
 386         .tp_methods = py_ldb_dn_methods,
 387         .tp_str = (reprfunc)py_ldb_dn_get_linearized,
 388         .tp_repr = (reprfunc)py_ldb_dn_repr,
 389         .tp_compare = (cmpfunc)py_ldb_dn_compare,
 390         .tp_as_sequence = &py_ldb_dn_seq,
 391         .tp_doc = "A LDB distinguished name.",
 392         .tp_new = py_ldb_dn_new,
 393         .tp_dealloc = (destructor)py_ldb_dn_dealloc,
 394         .tp_basicsize = sizeof(PyLdbObject),
 395         .tp_flags = Py_TPFLAGS_DEFAULT,
 396 };
 397
 398 /* Debug */
 399 static void py_ldb_debug(void *context, enum ldb_debug_level level, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3, 0);
 400 static void py_ldb_debug(void *context, enum ldb_debug_level level, const char *fmt, va_list ap)
 401 {
 402         PyObject *fn = (PyObject *)context;
 403         PyObject_CallFunction(fn, discard_const_p(char, "(i,O)"), level, PyString_FromFormatV(fmt, ap));
 404 }
 405
 406 static PyObject *py_ldb_set_debug(PyLdbObject *self, PyObject *args)
 407 {
 408         PyObject *cb;
 409
 410         if (!PyArg_ParseTuple(args, "O", &cb))
 411                 return NULL;
 412
 413         Py_INCREF(cb);
 414         /* FIXME: Where do we DECREF cb ? */
 415         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_set_debug(self->ldb_ctx, py_ldb_debug, cb), PyLdb_AsLdbContext(self));
 416
 417         Py_RETURN_NONE;
 418 }
 419
 420 static PyObject *py_ldb_set_create_perms(PyTypeObject *self, PyObject *args)
 421 {
 422         unsigned int perms;
 423         if (!PyArg_ParseTuple(args, "I", &perms))
 424                 return NULL;
 425
 426         ldb_set_create_perms(PyLdb_AsLdbContext(self), perms);
 427
 428         Py_RETURN_NONE;
 429 }
 430
 431 static PyObject *py_ldb_set_modules_dir(PyTypeObject *self, PyObject *args)
 432 {
 433         char *modules_dir;
 434         if (!PyArg_ParseTuple(args, "s", &modules_dir))
 435                 return NULL;
 436
 437         ldb_set_modules_dir(PyLdb_AsLdbContext(self), modules_dir);
 438
 439         Py_RETURN_NONE;
 440 }
 441
 442 static PyObject *py_ldb_transaction_start(PyLdbObject *self)
 443 {
 444         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_start(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
 445         Py_RETURN_NONE;
 446 }
 447
 448 static PyObject *py_ldb_transaction_commit(PyLdbObject *self)
 449 {
 450         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_commit(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
 451         Py_RETURN_NONE;
 452 }
 453
 454 static PyObject *py_ldb_transaction_prepare_commit(PyLdbObject *self)
 455 {
 456         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_prepare_commit(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
 457         Py_RETURN_NONE;
 458 }
 459
 460 static PyObject *py_ldb_transaction_cancel(PyLdbObject *self)
 461 {
 462         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_cancel(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
 463         Py_RETURN_NONE;
 464 }
 465
 466 static PyObject *py_ldb_setup_wellknown_attributes(PyLdbObject *self)
 467 {
 468         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_setup_wellknown_attributes(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
 469         Py_RETURN_NONE;
 470 }
 471
 472 static PyObject *py_ldb_repr(PyLdbObject *self)
 473 {
 474         return PyString_FromFormat("<ldb connection>");
 475 }
 476
 477 static PyObject *py_ldb_get_root_basedn(PyLdbObject *self)
 478 {
 479         struct ldb_dn *dn = ldb_get_root_basedn(PyLdb_AsLdbContext(self));
 480         if (dn == NULL)
 481                 Py_RETURN_NONE;
 482         return PyLdbDn_FromDn(dn);
 483 }
 484
 485
 486 static PyObject *py_ldb_get_schema_basedn(PyLdbObject *self)
 487 {
 488         struct ldb_dn *dn = ldb_get_schema_basedn(PyLdb_AsLdbContext(self));
 489         if (dn == NULL)
 490                 Py_RETURN_NONE;
 491         return PyLdbDn_FromDn(dn);
 492 }
 493
 494 static PyObject *py_ldb_get_config_basedn(PyLdbObject *self)
 495 {
 496         struct ldb_dn *dn = ldb_get_config_basedn(PyLdb_AsLdbContext(self));
 497         if (dn == NULL)
 498                 Py_RETURN_NONE;
 499         return PyLdbDn_FromDn(dn);
 500 }
 501
 502 static PyObject *py_ldb_get_default_basedn(PyLdbObject *self)
 503 {
 504         struct ldb_dn *dn = ldb_get_default_basedn(PyLdb_AsLdbContext(self));
 505         if (dn == NULL)
 506                 Py_RETURN_NONE;
 507         return PyLdbDn_FromDn(dn);
 508 }
 509
 510 static const char **PyList_AsStringList(TALLOC_CTX *mem_ctx, PyObject *list,
 511                                                                                 const char *paramname)
 512 {
 513         const char **ret;
 514         int i;
 515         if (!PyList_Check(list)) {
 516                 PyErr_Format(PyExc_TypeError, "%s is not a list", paramname);
 517                 return NULL;
 518         }
 519         ret = talloc_array(NULL, const char *, PyList_Size(list)+1);
 520         for (i = 0; i < PyList_Size(list); i++) {
 521                 PyObject *item = PyList_GetItem(list, i);
 522                 if (!PyString_Check(item)) {
 523                         PyErr_Format(PyExc_TypeError, "%s should be strings", paramname);
 524                         return NULL;
 525                 }
 526                 ret[i] = talloc_strndup(ret, PyString_AsString(item),
 527                                                            PyString_Size(item));
 528         }
 529         ret[i] = NULL;
 530         return ret;
 531 }
 532
 533 static int py_ldb_init(PyLdbObject *self, PyObject *args, PyObject *kwargs)
 534 {
 535         const char * const kwnames[] = { "url", "flags", "options", NULL };
 536         char *url = NULL;
 537         PyObject *py_options = Py_None;
 538         const char **options;
 539         int flags = 0;
 540         int ret;
 541         struct ldb_context *ldb;
 542
 543         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ziO:Ldb.__init__",
 544                                          discard_const_p(char *, kwnames),
 545                                          &url, &flags, &py_options))
 546                 return -1;
 547
 548         ldb = PyLdb_AsLdbContext(self);
 549
 550         if (py_options == Py_None) {
 551                 options = NULL;
 552         } else {
 553                 options = PyList_AsStringList(ldb, py_options, "options");
 554                 if (options == NULL)
 555                         return -1;
 556         }
 557
 558         if (url != NULL) {
 559                 ret = ldb_connect(ldb, url, flags, options);
 560                 if (ret != LDB_SUCCESS) {
 561                         PyErr_SetLdbError(PyExc_LdbError, ret, ldb);
 562                         return -1;
 563                 }
 564         }
 565
 566         talloc_free(options);
 567         return 0;
 568 }
 569
 570 static PyObject *py_ldb_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 571 {
 572         PyLdbObject *ret;
 573         struct ldb_context *ldb;
 574         ret = (PyLdbObject *)type->tp_alloc(type, 0);
 575         if (ret == NULL) {
 576                 PyErr_NoMemory();
 577                 return NULL;
 578         }
 579         ret->mem_ctx = talloc_new(NULL);
 580         ldb = ldb_init(ret->mem_ctx, NULL);
 581
 582         if (ldb == NULL) {
 583                 PyErr_NoMemory();
 584                 return NULL;
 585         }
 586
 587         ret->ldb_ctx = ldb;
 588         return (PyObject *)ret;
 589 }
 590
 591 static PyObject *py_ldb_connect(PyLdbObject *self, PyObject *args, PyObject *kwargs)
 592 {
 593         char *url;
 594         int flags = 0;
 595         PyObject *py_options = Py_None;
 596         int ret;
 597         const char **options;
 598         const char * const kwnames[] = { "url", "flags", "options", NULL };
 599
 600         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ziO",
 601                                          discard_const_p(char *, kwnames),
 602                                          &url, &flags, &py_options))
 603                 return NULL;
 604
 605         if (py_options == Py_None) {
 606                 options = NULL;
 607         } else {
 608                 options = PyList_AsStringList(NULL, py_options, "options");
 609                 if (options == NULL)
 610                         return NULL;
 611         }
 612
 613         ret = ldb_connect(PyLdb_AsLdbContext(self), url, flags, options);
 614         talloc_free(options);
 615
 616         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, PyLdb_AsLdbContext(self));
 617
 618         Py_RETURN_NONE;
 619 }
 620
 621 static PyObject *py_ldb_modify(PyLdbObject *self, PyObject *args)
 622 {
 623         PyObject *py_msg;
 624         PyObject *py_controls = Py_None;
 625         struct ldb_context *ldb_ctx;
 626         struct ldb_request *req;
 627         struct ldb_control **parsed_controls;
 628         struct ldb_message *msg;
 629         int ret;
 630         TALLOC_CTX *mem_ctx;
 631
 632         if (!PyArg_ParseTuple(args, "O|O", &py_msg, &py_controls))
 633                 return NULL;
 634
 635         mem_ctx = talloc_new(NULL);
 636         if (mem_ctx == NULL) {
 637                 PyErr_NoMemory();
 638                 return NULL;
 639         }
 640         ldb_ctx = PyLdb_AsLdbContext(self);
 641
 642         if (py_controls == Py_None) {
 643                 parsed_controls = NULL;
 644         } else {
 645                 const char **controls = PyList_AsStringList(mem_ctx, py_controls, "controls");
 646                 parsed_controls = ldb_parse_control_strings(ldb_ctx, mem_ctx, controls);
 647                 talloc_free(controls);
 648         }
 649
 650         if (!PyLdbMessage_Check(py_msg)) {
 651                 PyErr_SetString(PyExc_TypeError, "Expected Ldb Message");
 652                 talloc_free(mem_ctx);
 653                 return NULL;
 654         }
 655         msg = PyLdbMessage_AsMessage(py_msg);
 656
 657         ret = ldb_msg_sanity_check(ldb_ctx, msg);
 658         if (ret != LDB_SUCCESS) {
 659                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 660                 talloc_free(mem_ctx);
 661                 return NULL;
 662         }
 663
 664         ret = ldb_build_mod_req(&req, ldb_ctx, mem_ctx, msg, parsed_controls,
 665                                 NULL, ldb_op_default_callback, NULL);
 666         if (ret != LDB_SUCCESS) {
 667                 PyErr_SetString(PyExc_TypeError, "failed to build request");
 668                 talloc_free(mem_ctx);
 669                 return NULL;
 670         }
 671
 672         /* do request and autostart a transaction */
 673         /* Then let's LDB handle the message error in case of pb as they are meaningful */
 674
 675         ret = ldb_transaction_start(ldb_ctx);
 676         if (ret != LDB_SUCCESS) {
 677                 talloc_free(mem_ctx);
 678                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 679         }
 680
 681         ret = ldb_request(ldb_ctx, req);
 682         if (ret == LDB_SUCCESS) {
 683                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 684         }
 685
 686         if (ret == LDB_SUCCESS) {
 687                 ret = ldb_transaction_commit(ldb_ctx);
 688         } else {
 689                 ldb_transaction_cancel(ldb_ctx);
 690                 if (ldb_ctx->err_string == NULL) {
 691                         /* no error string was setup by the backend */
 692                         ldb_asprintf_errstring(ldb_ctx, "%s (%d)", ldb_strerror(ret), ret);
 693                 }
 694         }
 695
 696         talloc_free(mem_ctx);
 697         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 698
 699         Py_RETURN_NONE;
 700 }
 701
 702
 703 static PyObject *py_ldb_add(PyLdbObject *self, PyObject *args)
 704 {
 705         PyObject *py_msg;
 706         int ret;
 707         Py_ssize_t dict_pos, msg_pos;
 708         struct ldb_message_element *msgel;
 709         struct ldb_message *msg;
 710         struct ldb_context *ldb_ctx;
 711         struct ldb_request *req;
 712         PyObject *key, *value;
 713         PyObject *py_controls = Py_None;
 714         TALLOC_CTX *mem_ctx;
 715         struct ldb_control **parsed_controls;
 716
 717         if (!PyArg_ParseTuple(args, "O|O", &py_msg, &py_controls ))
 718                 return NULL;
 719
 720         mem_ctx = talloc_new(NULL);
 721         if (mem_ctx == NULL) {
 722                 PyErr_NoMemory();
 723                 return NULL;
 724         }
 725         ldb_ctx = PyLdb_AsLdbContext(self);
 726
 727         if (py_controls == Py_None) {
 728                 parsed_controls = NULL;
 729         } else {
 730                 const char **controls = PyList_AsStringList(mem_ctx, py_controls, "controls");
 731                 parsed_controls = ldb_parse_control_strings(ldb_ctx, mem_ctx, controls);
 732                 talloc_free(controls);
 733         }
 734         if (PyDict_Check(py_msg)) {
 735                 PyObject *dn_value = PyDict_GetItemString(py_msg, "dn");
 736                 msg = ldb_msg_new(mem_ctx);
 737                 msg->elements = talloc_zero_array(msg, struct ldb_message_element, PyDict_Size(py_msg));
 738                 msg_pos = dict_pos = 0;
 739                 if (dn_value) {
 740                         if (!PyObject_AsDn(msg, dn_value, ldb_ctx, &msg->dn)) {
 741                                 PyErr_SetString(PyExc_TypeError, "unable to import dn object");
 742                                 talloc_free(mem_ctx);
 743                                 return NULL;
 744                         }
 745                         if (msg->dn == NULL) {
 746                                 PyErr_SetString(PyExc_TypeError, "dn set but not found");
 747                                 talloc_free(mem_ctx);
 748                                 return NULL;
 749                         }
 750                 }
 751
 752                 while (PyDict_Next(py_msg, &dict_pos, &key, &value)) {
 753                         char *key_str = PyString_AsString(key);
 754                         if (strcmp(key_str, "dn") != 0) {
 755                                 msgel = PyObject_AsMessageElement(msg->elements, value, 0, key_str);
 756                                 if (msgel == NULL) {
 757                                         PyErr_SetString(PyExc_TypeError, "unable to import element");
 758                                         talloc_free(mem_ctx);
 759                                         return NULL;
 760                                 }
 761                                 memcpy(&msg->elements[msg_pos], msgel, sizeof(*msgel));
 762                                 msg_pos++;
 763                         }
 764                 }
 765
 766                 if (msg->dn == NULL) {
 767                         PyErr_SetString(PyExc_TypeError, "no dn set");
 768                         talloc_free(mem_ctx);
 769                         return NULL;
 770                 }
 771
 772                 msg->num_elements = msg_pos;
 773         } else {
 774                 msg = PyLdbMessage_AsMessage(py_msg);
 775         }
 776
 777         ret = ldb_msg_sanity_check(ldb_ctx, msg);
 778         if (ret != LDB_SUCCESS) {
 779                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 780                 talloc_free(mem_ctx);
 781                 return NULL;
 782         }
 783
 784         ret = ldb_build_add_req(&req, ldb_ctx, mem_ctx, msg, parsed_controls,
 785                                 NULL, ldb_op_default_callback, NULL);
 786         if (ret != LDB_SUCCESS) {
 787                 PyErr_SetString(PyExc_TypeError, "failed to build request");
 788                 talloc_free(mem_ctx);
 789                 return NULL;
 790         }
 791
 792         /* do request and autostart a transaction */
 793         /* Then let's LDB handle the message error in case of pb as they are meaningful */
 794
 795         ret = ldb_transaction_start(ldb_ctx);
 796         if (ret != LDB_SUCCESS) {
 797                 talloc_free(mem_ctx);
 798                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 799         }
 800
 801         ret = ldb_request(ldb_ctx, req);
 802         if (ret == LDB_SUCCESS) {
 803                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 804         }
 805
 806         if (ret == LDB_SUCCESS) {
 807                 ret = ldb_transaction_commit(ldb_ctx);
 808         } else {
 809                 ldb_transaction_cancel(ldb_ctx);
 810                 if (ldb_ctx->err_string == NULL) {
 811                         /* no error string was setup by the backend */
 812                         ldb_asprintf_errstring(ldb_ctx, "%s (%d)", ldb_strerror(ret), ret);
 813                 }
 814         }
 815
 816         talloc_free(mem_ctx);
 817         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 818
 819         Py_RETURN_NONE;
 820 }
 821
 822 static PyObject *py_ldb_delete(PyLdbObject *self, PyObject *args)
 823 {
 824         PyObject *py_dn;
 825         struct ldb_dn *dn;
 826         int ret;
 827         struct ldb_context *ldb_ctx;
 828         struct ldb_request *req;
 829         PyObject *py_controls = Py_None;
 830         TALLOC_CTX *mem_ctx;
 831         struct ldb_control **parsed_controls;
 832
 833         if (!PyArg_ParseTuple(args, "O|O", &py_dn, &py_controls))
 834                 return NULL;
 835
 836         mem_ctx = talloc_new(NULL);
 837         if (mem_ctx == NULL) {
 838                 PyErr_NoMemory();
 839                 return NULL;
 840         }
 841         ldb_ctx = PyLdb_AsLdbContext(self);
 842
 843         if (py_controls == Py_None) {
 844                 parsed_controls = NULL;
 845         } else {
 846                 const char **controls = PyList_AsStringList(mem_ctx, py_controls, "controls");
 847                 parsed_controls = ldb_parse_control_strings(ldb_ctx, mem_ctx, controls);
 848                 talloc_free(controls);
 849         }
 850
 851         if (!PyObject_AsDn(mem_ctx, py_dn, ldb_ctx, &dn)) {
 852                 talloc_free(mem_ctx);
 853                 return NULL;
 854         }
 855
 856         ret = ldb_build_del_req(&req, ldb_ctx, mem_ctx, dn, parsed_controls,
 857                                 NULL, ldb_op_default_callback, NULL);
 858         if (ret != LDB_SUCCESS) {
 859                 PyErr_SetString(PyExc_TypeError, "failed to build request");
 860                 talloc_free(mem_ctx);
 861                 return NULL;
 862         }
 863
 864         /* do request and autostart a transaction */
 865         /* Then let's LDB handle the message error in case of pb as they are meaningful */
 866
 867         ret = ldb_transaction_start(ldb_ctx);
 868         if (ret != LDB_SUCCESS) {
 869                 talloc_free(mem_ctx);
 870                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 871         }
 872
 873         ret = ldb_request(ldb_ctx, req);
 874         if (ret == LDB_SUCCESS) {
 875                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 876         }
 877
 878         if (ret == LDB_SUCCESS) {
 879                 ret = ldb_transaction_commit(ldb_ctx);
 880         } else {
 881                 ldb_transaction_cancel(ldb_ctx);
 882                 if (ldb_ctx->err_string == NULL) {
 883                         /* no error string was setup by the backend */
 884                         ldb_asprintf_errstring(ldb_ctx, "%s (%d)", ldb_strerror(ret), ret);
 885                 }
 886         }
 887
 888         talloc_free(mem_ctx);
 889         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
 890
 891         Py_RETURN_NONE;
 892 }
 893
 894 static PyObject *py_ldb_rename(PyLdbObject *self, PyObject *args)
 895 {
 896         PyObject *py_dn1, *py_dn2;
 897         struct ldb_dn *dn1, *dn2;
 898         int ret;
 899         struct ldb_context *ldb;
 900         TALLOC_CTX *mem_ctx;
 901
 902         if (!PyArg_ParseTuple(args, "OO", &py_dn1, &py_dn2))
 903                 return NULL;
 904
 905         mem_ctx = talloc_new(NULL);
 906         if (mem_ctx == NULL) {
 907                 PyErr_NoMemory();
 908                 return NULL;
 909         }
 910
 911         ldb = PyLdb_AsLdbContext(self);
 912
 913         if (!PyObject_AsDn(mem_ctx, py_dn1, ldb, &dn1)) {
 914                 talloc_free(mem_ctx);
 915                 return NULL;
 916         }
 917
 918         if (!PyObject_AsDn(mem_ctx, py_dn2, ldb, &dn2)) {
 919                 talloc_free(mem_ctx);
 920                 return NULL;
 921         }
 922
 923         ret = ldb_rename(ldb, dn1, dn2);
 924         talloc_free(mem_ctx);
 925         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb);
 926
 927         Py_RETURN_NONE;
 928 }
 929
 930 static PyObject *py_ldb_schema_attribute_remove(PyLdbObject *self, PyObject *args)
 931 {
 932         char *name;
 933         if (!PyArg_ParseTuple(args, "s", &name))
 934                 return NULL;
 935
 936         ldb_schema_attribute_remove(PyLdb_AsLdbContext(self), name);
 937
 938         Py_RETURN_NONE;
 939 }
 940
 941 static PyObject *py_ldb_schema_attribute_add(PyLdbObject *self, PyObject *args)
 942 {
 943         char *attribute, *syntax;
 944         unsigned int flags;
 945         int ret;
 946         if (!PyArg_ParseTuple(args, "sIs", &attribute, &flags, &syntax))
 947                 return NULL;
 948
 949         ret = ldb_schema_attribute_add(PyLdb_AsLdbContext(self), attribute, flags, syntax);
 950
 951         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, PyLdb_AsLdbContext(self));
 952
 953         Py_RETURN_NONE;
 954 }
 955
 956 static PyObject *ldb_ldif_to_pyobject(struct ldb_ldif *ldif)
 957 {
 958         if (ldif == NULL) {
 959                 Py_RETURN_NONE;
 960         } else {
 961         /* We don't want this attached to the 'ldb' any more */
 962                 return Py_BuildValue(discard_const_p(char, "(iO)"),
 963                                      ldif->changetype,
 964                                      PyLdbMessage_FromMessage(ldif->msg));
 965         }
 966 }
 967
 968
 969 static PyObject *py_ldb_write_ldif(PyLdbMessageObject *self, PyObject *args)
 970 {
 971         int changetype;
 972         PyObject *py_msg;
 973         struct ldb_ldif ldif;
 974         PyObject *ret;
 975         char *string;
 976         TALLOC_CTX *mem_ctx;
 977
 978         if (!PyArg_ParseTuple(args, "Oi", &py_msg, &changetype))
 979                 return NULL;
 980
 981         if (!PyLdbMessage_Check(py_msg)) {
 982                 PyErr_SetString(PyExc_TypeError, "Expected Ldb Message for msg");
 983                 return NULL;
 984         }
 985
 986         ldif.msg = PyLdbMessage_AsMessage(py_msg);
 987         ldif.changetype = changetype;
 988
 989         mem_ctx = talloc_new(NULL);
 990
 991         string = ldb_ldif_write_string(PyLdb_AsLdbContext(self), mem_ctx, &ldif);
 992         if (!string) {
 993                 PyErr_SetString(PyExc_KeyError, "Failed to generate LDIF");
 994                 return NULL;
 995         }
 996
 997         ret = PyString_FromString(string);
 998
 999         talloc_free(mem_ctx);
1000
1001         return ret;
1002 }
1003
1004 static PyObject *py_ldb_parse_ldif(PyLdbObject *self, PyObject *args)
1005 {
1006         PyObject *list;
1007         struct ldb_ldif *ldif;
1008         const char *s;
1009
1010         TALLOC_CTX *mem_ctx;
1011
1012         if (!PyArg_ParseTuple(args, "s", &s))
1013                 return NULL;
1014
1015         mem_ctx = talloc_new(NULL);
1016         if (!mem_ctx) {
1017                 Py_RETURN_NONE;
1018         }
1019
1020         list = PyList_New(0);
1021         while (s && *s != '\0') {
1022                 ldif = ldb_ldif_read_string(self->ldb_ctx, &s);
1023                 talloc_steal(mem_ctx, ldif);
1024                 if (ldif) {
1025                         PyList_Append(list, ldb_ldif_to_pyobject(ldif));
1026                 } else {
1027                         PyErr_SetString(PyExc_ValueError, "unable to parse ldif string");
1028                         talloc_free(mem_ctx);
1029                         return NULL;
1030                 }
1031         }
1032         talloc_free(mem_ctx); /* The pyobject already has a reference to the things it needs */
1033         return PyObject_GetIter(list);
1034 }
1035
1036 static PyObject *py_ldb_msg_diff(PyLdbObject *self, PyObject *args)
1037 {
1038         PyObject *py_msg_old;
1039         PyObject *py_msg_new;
1040         struct ldb_message *diff;
1041         PyObject *py_ret;
1042
1043         if (!PyArg_ParseTuple(args, "OO", &py_msg_old, &py_msg_new))
1044                 return NULL;
1045
1046         if (!PyLdbMessage_Check(py_msg_old)) {
1047                 PyErr_SetString(PyExc_TypeError, "Expected Ldb Message for old message");
1048                 return NULL;
1049         }
1050
1051         if (!PyLdbMessage_Check(py_msg_new)) {
1052                 PyErr_SetString(PyExc_TypeError, "Expected Ldb Message for new message");
1053                 return NULL;
1054         }
1055
1056         diff = ldb_msg_diff(PyLdb_AsLdbContext(self), PyLdbMessage_AsMessage(py_msg_old), PyLdbMessage_AsMessage(py_msg_new));
1057         if (!diff) {
1058                 PyErr_SetString(PyExc_RuntimeError, "Failed to generate the Ldb Message diff");
1059                 return NULL;
1060         }
1061
1062         py_ret = PyLdbMessage_FromMessage(diff);
1063
1064         return py_ret;
1065 }
1066
1067 static PyObject *py_ldb_schema_format_value(PyLdbObject *self, PyObject *args)
1068 {
1069         const struct ldb_schema_attribute *a;
1070         struct ldb_val old_val;
1071         struct ldb_val new_val;
1072         TALLOC_CTX *mem_ctx;
1073         PyObject *ret;
1074         char *element_name;
1075         PyObject *val;
1076
1077         if (!PyArg_ParseTuple(args, "sO", &element_name, &val))
1078                 return NULL;
1079
1080         mem_ctx = talloc_new(NULL);
1081
1082         old_val.data = (uint8_t *)PyString_AsString(val);
1083         old_val.length = PyString_Size(val);
1084
1085         a = ldb_schema_attribute_by_name(PyLdb_AsLdbContext(self), element_name);
1086
1087         if (a == NULL) {
1088                 Py_RETURN_NONE;
1089         }
1090
1091         if (a->syntax->ldif_write_fn(PyLdb_AsLdbContext(self), mem_ctx, &old_val, &new_val) != 0) {
1092                 talloc_free(mem_ctx);
1093                 Py_RETURN_NONE;
1094         }
1095
1096         ret = PyString_FromStringAndSize((const char *)new_val.data, new_val.length);
1097
1098         talloc_free(mem_ctx);
1099
1100         return ret;
1101 }
1102
1103 static PyObject *py_ldb_search(PyLdbObject *self, PyObject *args, PyObject *kwargs)
1104 {
1105         PyObject *py_base = Py_None;
1106         int scope = LDB_SCOPE_DEFAULT;
1107         char *expr = NULL;
1108         PyObject *py_attrs = Py_None;
1109         PyObject *py_controls = Py_None;
1110         const char * const kwnames[] = { "base", "scope", "expression", "attrs", "controls", NULL };
1111         int ret;
1112         struct ldb_result *res;
1113         struct ldb_request *req;
1114         const char **attrs;
1115         struct ldb_context *ldb_ctx;
1116         struct ldb_control **parsed_controls;
1117         struct ldb_dn *base;
1118         PyObject *py_ret;
1119
1120         /* type "int" rather than "enum" for "scope" is intentional */
1121         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OizOO",
1122                                          discard_const_p(char *, kwnames),
1123                                          &py_base, &scope, &expr, &py_attrs, &py_controls))
1124                 return NULL;
1125
1126         ldb_ctx = PyLdb_AsLdbContext(self);
1127
1128         if (py_attrs == Py_None) {
1129                 attrs = NULL;
1130         } else {
1131                 attrs = PyList_AsStringList(NULL, py_attrs, "attrs");
1132                 if (attrs == NULL)
1133                         return NULL;
1134         }
1135
1136         if (py_base == Py_None) {
1137                 base = ldb_get_default_basedn(ldb_ctx);
1138         } else {
1139                 if (!PyObject_AsDn(ldb_ctx, py_base, ldb_ctx, &base)) {
1140                         talloc_free(attrs);
1141                         return NULL;
1142                 }
1143         }
1144
1145         if (py_controls == Py_None) {
1146                 parsed_controls = NULL;
1147         } else {
1148                 const char **controls = PyList_AsStringList(ldb_ctx, py_controls, "controls");
1149                 parsed_controls = ldb_parse_control_strings(ldb_ctx, ldb_ctx, controls);
1150                 talloc_free(controls);
1151         }
1152
1153         res = talloc_zero(ldb_ctx, struct ldb_result);
1154         if (res == NULL) {
1155                 PyErr_NoMemory();
1156                 talloc_free(attrs);
1157                 return NULL;
1158         }
1159
1160         ret = ldb_build_search_req(&req, ldb_ctx, ldb_ctx,
1161                                    base,
1162                                    scope,
1163                                    expr,
1164                                    attrs,
1165                                    parsed_controls,
1166                                    res,
1167                                    ldb_search_default_callback,
1168                                    NULL);
1169
1170         talloc_steal(req, attrs);
1171
1172         if (ret != LDB_SUCCESS) {
1173                 talloc_free(res);
1174                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
1175                 return NULL;
1176         }
1177
1178         ret = ldb_request(ldb_ctx, req);
1179
1180         if (ret == LDB_SUCCESS) {
1181                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1182         }
1183
1184         talloc_free(req);
1185
1186         if (ret != LDB_SUCCESS) {
1187                 talloc_free(res);
1188                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
1189                 return NULL;
1190         }
1191
1192         py_ret = PyLdbResult_FromResult(res);
1193
1194         talloc_free(res);
1195
1196         return py_ret;
1197 }
1198
1199 static PyObject *py_ldb_get_opaque(PyLdbObject *self, PyObject *args)
1200 {
1201         char *name;
1202         void *data;
1203
1204         if (!PyArg_ParseTuple(args, "s", &name))
1205                 return NULL;
1206
1207         data = ldb_get_opaque(PyLdb_AsLdbContext(self), name);
1208
1209         if (data == NULL)
1210                 Py_RETURN_NONE;
1211
1212         /* FIXME: More interpretation */
1213
1214         return Py_True;
1215 }
1216
1217 static PyObject *py_ldb_set_opaque(PyLdbObject *self, PyObject *args)
1218 {
1219         char *name;
1220         PyObject *data;
1221
1222         if (!PyArg_ParseTuple(args, "sO", &name, &data))
1223                 return NULL;
1224
1225         /* FIXME: More interpretation */
1226
1227         ldb_set_opaque(PyLdb_AsLdbContext(self), name, data);
1228
1229         Py_RETURN_NONE;
1230 }
1231
1232 static PyObject *py_ldb_modules(PyLdbObject *self)
1233 {
1234         struct ldb_context *ldb = PyLdb_AsLdbContext(self);
1235         PyObject *ret = PyList_New(0);
1236         struct ldb_module *mod;
1237
1238         for (mod = ldb->modules; mod; mod = mod->next) {
1239                 PyList_Append(ret, PyLdbModule_FromModule(mod));
1240         }
1241
1242         return ret;
1243 }
1244
1245 static PyMethodDef py_ldb_methods[] = {
1246         { "set_debug", (PyCFunction)py_ldb_set_debug, METH_VARARGS,
1247                 "S.set_debug(callback) -> None\n"
1248                 "Set callback for LDB debug messages.\n"
1249                 "The callback should accept a debug level and debug text." },
1250         { "set_create_perms", (PyCFunction)py_ldb_set_create_perms, METH_VARARGS,
1251                 "S.set_create_perms(mode) -> None\n"
1252                 "Set mode to use when creating new LDB files." },
1253         { "set_modules_dir", (PyCFunction)py_ldb_set_modules_dir, METH_VARARGS,
1254                 "S.set_modules_dir(path) -> None\n"
1255                 "Set path LDB should search for modules" },
1256         { "transaction_start", (PyCFunction)py_ldb_transaction_start, METH_NOARGS,
1257                 "S.transaction_start() -> None\n"
1258                 "Start a new transaction." },
1259         { "transaction_prepare_commit", (PyCFunction)py_ldb_transaction_prepare_commit, METH_NOARGS,
1260                 "S.transaction_prepare_commit() -> None\n"
1261                 "prepare to commit a new transaction (2-stage commit)." },
1262         { "transaction_commit", (PyCFunction)py_ldb_transaction_commit, METH_NOARGS,
1263                 "S.transaction_commit() -> None\n"
1264                 "commit a new transaction." },
1265         { "transaction_cancel", (PyCFunction)py_ldb_transaction_cancel, METH_NOARGS,
1266                 "S.transaction_cancel() -> None\n"
1267                 "cancel a new transaction." },
1268         { "setup_wellknown_attributes", (PyCFunction)py_ldb_setup_wellknown_attributes, METH_NOARGS,
1269                 NULL },
1270         { "get_root_basedn", (PyCFunction)py_ldb_get_root_basedn, METH_NOARGS,
1271                 NULL },
1272         { "get_schema_basedn", (PyCFunction)py_ldb_get_schema_basedn, METH_NOARGS,
1273                 NULL },
1274         { "get_default_basedn", (PyCFunction)py_ldb_get_default_basedn, METH_NOARGS,
1275                 NULL },
1276         { "get_config_basedn", (PyCFunction)py_ldb_get_config_basedn, METH_NOARGS,
1277                 NULL },
1278         { "connect", (PyCFunction)py_ldb_connect, METH_VARARGS|METH_KEYWORDS,
1279                 "S.connect(url, flags=0, options=None) -> None\n"
1280                 "Connect to a LDB URL." },
1281         { "modify", (PyCFunction)py_ldb_modify, METH_VARARGS,
1282                 "S.modify(message) -> None\n"
1283                 "Modify an entry." },
1284         { "add", (PyCFunction)py_ldb_add, METH_VARARGS,
1285                 "S.add(message) -> None\n"
1286                 "Add an entry." },
1287         { "delete", (PyCFunction)py_ldb_delete, METH_VARARGS,
1288                 "S.delete(dn) -> None\n"
1289                 "Remove an entry." },
1290         { "rename", (PyCFunction)py_ldb_rename, METH_VARARGS,
1291                 "S.rename(old_dn, new_dn) -> None\n"
1292                 "Rename an entry." },
1293         { "search", (PyCFunction)py_ldb_search, METH_VARARGS|METH_KEYWORDS,
1294                 "S.search(base=None, scope=None, expression=None, attrs=None, controls=None) -> msgs\n"
1295                 "Search in a database.\n"
1296                 "\n"
1297                 ":param base: Optional base DN to search\n"
1298                 ":param scope: Search scope (SCOPE_BASE, SCOPE_ONELEVEL or SCOPE_SUBTREE)\n"
1299                 ":param expression: Optional search expression\n"
1300                 ":param attrs: Attributes to return (defaults to all)\n"
1301                 ":param controls: Optional list of controls\n"
1302                 ":return: Iterator over Message objects\n"
1303         },
1304         { "schema_attribute_remove", (PyCFunction)py_ldb_schema_attribute_remove, METH_VARARGS,
1305                 NULL },
1306         { "schema_attribute_add", (PyCFunction)py_ldb_schema_attribute_add, METH_VARARGS,
1307                 NULL },
1308         { "schema_format_value", (PyCFunction)py_ldb_schema_format_value, METH_VARARGS,
1309                 NULL },
1310         { "parse_ldif", (PyCFunction)py_ldb_parse_ldif, METH_VARARGS,
1311                 "S.parse_ldif(ldif) -> iter(messages)\n"
1312                 "Parse a string formatted using LDIF." },
1313         { "write_ldif", (PyCFunction)py_ldb_write_ldif, METH_VARARGS,
1314                 "S.write_ldif(message, changetype) -> ldif\n"
1315                 "Print the message as a string formatted using LDIF." },
1316         { "msg_diff", (PyCFunction)py_ldb_msg_diff, METH_VARARGS,
1317                 "S.msg_diff(Message) -> Message\n"
1318                 "Return an LDB Message of the difference between two Message objects." },
1319         { "get_opaque", (PyCFunction)py_ldb_get_opaque, METH_VARARGS,
1320                 "S.get_opaque(name) -> value\n"
1321                 "Get an opaque value set on this LDB connection. \n"
1322                 ":note: The returned value may not be useful in Python."
1323         },
1324         { "set_opaque", (PyCFunction)py_ldb_set_opaque, METH_VARARGS,
1325                 "S.set_opaque(name, value) -> None\n"
1326                 "Set an opaque value on this LDB connection. \n"
1327                 ":note: Passing incorrect values may cause crashes." },
1328         { "modules", (PyCFunction)py_ldb_modules, METH_NOARGS,
1329                 "S.modules() -> list\n"
1330                 "Return the list of modules on this LDB connection " },
1331         { NULL },
1332 };
1333
1334 PyObject *PyLdbModule_FromModule(struct ldb_module *mod)
1335 {
1336         PyLdbModuleObject *ret;
1337
1338         ret = (PyLdbModuleObject *)PyLdbModule.tp_alloc(&PyLdbModule, 0);
1339         if (ret == NULL) {
1340                 PyErr_NoMemory();
1341                 return NULL;
1342         }
1343         ret->mem_ctx = talloc_new(NULL);
1344         ret->mod = talloc_reference(ret->mem_ctx, mod);
1345         return (PyObject *)ret;
1346 }
1347
1348 static PyObject *py_ldb_get_firstmodule(PyLdbObject *self, void *closure)
1349 {
1350         return PyLdbModule_FromModule(PyLdb_AsLdbContext(self)->modules);
1351 }
1352
1353 static PyGetSetDef py_ldb_getset[] = {
1354         { discard_const_p(char, "firstmodule"), (getter)py_ldb_get_firstmodule, NULL, NULL },
1355         { NULL }
1356 };
1357
1358 static int py_ldb_contains(PyLdbObject *self, PyObject *obj)
1359 {
1360         struct ldb_context *ldb_ctx = PyLdb_AsLdbContext(self);
1361         struct ldb_dn *dn;
1362         struct ldb_result *result;
1363         int ret;
1364         int count;
1365
1366         if (!PyObject_AsDn(ldb_ctx, obj, ldb_ctx, &dn))
1367                 return -1;
1368
1369         ret = ldb_search(ldb_ctx, ldb_ctx, &result, dn, LDB_SCOPE_BASE, NULL, NULL);
1370         if (ret != LDB_SUCCESS) {
1371                 PyErr_SetLdbError(PyExc_LdbError, ret, ldb_ctx);
1372                 return -1;
1373         }
1374
1375         count = result->count;
1376
1377         talloc_free(result);
1378
1379         return count;
1380 }
1381
1382 static PySequenceMethods py_ldb_seq = {
1383         .sq_contains = (objobjproc)py_ldb_contains,
1384 };
1385
1386 static PyObject *PyLdb_FromLdbContext(struct ldb_context *ldb_ctx)
1387 {
1388         PyLdbObject *ret;
1389
1390         ret = (PyLdbObject *)PyLdb.tp_alloc(&PyLdb, 0);
1391         if (ret == NULL) {
1392                 PyErr_NoMemory();
1393                 return NULL;
1394         }
1395         ret->mem_ctx = talloc_new(NULL);
1396         ret->ldb_ctx = talloc_reference(ret->mem_ctx, ldb_ctx);
1397         return (PyObject *)ret;
1398 }
1399
1400 static void py_ldb_dealloc(PyLdbObject *self)
1401 {
1402         talloc_free(self->mem_ctx);
1403         self->ob_type->tp_free(self);
1404 }
1405
1406 PyTypeObject PyLdb = {
1407         .tp_name = "ldb.Ldb",
1408         .tp_methods = py_ldb_methods,
1409         .tp_repr = (reprfunc)py_ldb_repr,
1410         .tp_new = py_ldb_new,
1411         .tp_init = (initproc)py_ldb_init,
1412         .tp_dealloc = (destructor)py_ldb_dealloc,
1413         .tp_getset = py_ldb_getset,
1414         .tp_getattro = PyObject_GenericGetAttr,
1415         .tp_basicsize = sizeof(PyLdbObject),
1416         .tp_doc = "Connection to a LDB database.",
1417         .tp_as_sequence = &py_ldb_seq,
1418         .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
1419 };
1420
1421 static PyObject *py_ldb_module_repr(PyLdbModuleObject *self)
1422 {
1423         return PyString_FromFormat("<ldb module '%s'>", PyLdbModule_AsModule(self)->ops->name);
1424 }
1425
1426 static PyObject *py_ldb_module_str(PyLdbModuleObject *self)
1427 {
1428         return PyString_FromString(PyLdbModule_AsModule(self)->ops->name);
1429 }
1430
1431 static PyObject *py_ldb_module_start_transaction(PyLdbModuleObject *self)
1432 {
1433         PyLdbModule_AsModule(self)->ops->start_transaction(PyLdbModule_AsModule(self));
1434         Py_RETURN_NONE;
1435 }
1436
1437 static PyObject *py_ldb_module_end_transaction(PyLdbModuleObject *self)
1438 {
1439         PyLdbModule_AsModule(self)->ops->end_transaction(PyLdbModule_AsModule(self));
1440         Py_RETURN_NONE;
1441 }
1442
1443 static PyObject *py_ldb_module_del_transaction(PyLdbModuleObject *self)
1444 {
1445         PyLdbModule_AsModule(self)->ops->del_transaction(PyLdbModule_AsModule(self));
1446         Py_RETURN_NONE;
1447 }
1448
1449 static PyObject *py_ldb_module_search(PyLdbModuleObject *self, PyObject *args, PyObject *kwargs)
1450 {
1451         PyObject *py_base, *py_tree, *py_attrs, *py_ret;
1452         int ret, scope;
1453         struct ldb_request *req;
1454         const char * const kwnames[] = { "base", "scope", "tree", "attrs", NULL };
1455         struct ldb_module *mod;
1456         const char * const*attrs;
1457
1458         /* type "int" rather than "enum" for "scope" is intentional */
1459         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OiOO",
1460                                          discard_const_p(char *, kwnames),
1461                                          &py_base, &scope, &py_tree, &py_attrs))
1462                 return NULL;
1463
1464         mod = self->mod;
1465
1466         if (py_attrs == Py_None) {
1467                 attrs = NULL;
1468         } else {
1469                 attrs = PyList_AsStringList(NULL, py_attrs, "attrs");
1470                 if (attrs == NULL)
1471                         return NULL;
1472         }
1473
1474         ret = ldb_build_search_req(&req, mod->ldb, NULL, PyLdbDn_AsDn(py_base),
1475                              scope, NULL /* expr */, attrs,
1476                              NULL /* controls */, NULL, NULL, NULL);
1477
1478         talloc_steal(req, attrs);
1479
1480         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1481
1482         req->op.search.res = NULL;
1483
1484         ret = mod->ops->search(mod, req);
1485
1486         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1487
1488         py_ret = PyLdbResult_FromResult(req->op.search.res);
1489
1490         talloc_free(req);
1491
1492         return py_ret;
1493 }
1494
1495
1496 static PyObject *py_ldb_module_add(PyLdbModuleObject *self, PyObject *args)
1497 {
1498         struct ldb_request *req;
1499         PyObject *py_message;
1500         int ret;
1501         struct ldb_module *mod;
1502
1503         if (!PyArg_ParseTuple(args, "O", &py_message))
1504                 return NULL;
1505
1506         req = talloc_zero(NULL, struct ldb_request);
1507         req->operation = LDB_ADD;
1508         req->op.add.message = PyLdbMessage_AsMessage(py_message);
1509
1510         mod = PyLdbModule_AsModule(self);
1511         ret = mod->ops->add(mod, req);
1512
1513         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1514
1515         Py_RETURN_NONE;
1516 }
1517
1518 static PyObject *py_ldb_module_modify(PyLdbModuleObject *self, PyObject *args)
1519 {
1520         int ret;
1521         struct ldb_request *req;
1522         PyObject *py_message;
1523         struct ldb_module *mod;
1524
1525         if (!PyArg_ParseTuple(args, "O", &py_message))
1526                 return NULL;
1527
1528         req = talloc_zero(NULL, struct ldb_request);
1529         req->operation = LDB_MODIFY;
1530         req->op.mod.message = PyLdbMessage_AsMessage(py_message);
1531
1532         mod = PyLdbModule_AsModule(self);
1533         ret = mod->ops->modify(mod, req);
1534
1535         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1536
1537         Py_RETURN_NONE;
1538 }
1539
1540 static PyObject *py_ldb_module_delete(PyLdbModuleObject *self, PyObject *args)
1541 {
1542         int ret;
1543         struct ldb_request *req;
1544         PyObject *py_dn;
1545
1546         if (!PyArg_ParseTuple(args, "O", &py_dn))
1547                 return NULL;
1548
1549         req = talloc_zero(NULL, struct ldb_request);
1550         req->operation = LDB_DELETE;
1551         req->op.del.dn = PyLdbDn_AsDn(py_dn);
1552
1553         ret = PyLdbModule_AsModule(self)->ops->del(PyLdbModule_AsModule(self), req);
1554
1555         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
1556
1557         Py_RETURN_NONE;
1558 }
1559
1560 static PyObject *py_ldb_module_rename(PyLdbModuleObject *self, PyObject *args)
1561 {
1562         int ret;
1563         struct ldb_request *req;
1564         PyObject *py_dn1, *py_dn2;
1565
1566         if (!PyArg_ParseTuple(args, "OO", &py_dn1, &py_dn2))
1567                 return NULL;
1568
1569         req = talloc_zero(NULL, struct ldb_request);
1570
1571         req->operation = LDB_RENAME;
1572         req->op.rename.olddn = PyLdbDn_AsDn(py_dn1);
1573         req->op.rename.newdn = PyLdbDn_AsDn(py_dn2);
1574
1575         ret = PyLdbModule_AsModule(self)->ops->rename(PyLdbModule_AsModule(self), req);
1576
1577         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
1578
1579         Py_RETURN_NONE;
1580 }
1581
1582 static PyMethodDef py_ldb_module_methods[] = {
1583         { "search", (PyCFunction)py_ldb_module_search, METH_VARARGS|METH_KEYWORDS, NULL },
1584         { "add", (PyCFunction)py_ldb_module_add, METH_VARARGS, NULL },
1585         { "modify", (PyCFunction)py_ldb_module_modify, METH_VARARGS, NULL },
1586         { "rename", (PyCFunction)py_ldb_module_rename, METH_VARARGS, NULL },
1587         { "delete", (PyCFunction)py_ldb_module_delete, METH_VARARGS, NULL },
1588         { "start_transaction", (PyCFunction)py_ldb_module_start_transaction, METH_NOARGS, NULL },
1589         { "end_transaction", (PyCFunction)py_ldb_module_end_transaction, METH_NOARGS, NULL },
1590         { "del_transaction", (PyCFunction)py_ldb_module_del_transaction, METH_NOARGS, NULL },
1591         { NULL },
1592 };
1593
1594 static void py_ldb_module_dealloc(PyLdbModuleObject *self)
1595 {
1596         talloc_free(self->mem_ctx);
1597         self->ob_type->tp_free(self);
1598 }
1599
1600 PyTypeObject PyLdbModule = {
1601         .tp_name = "ldb.LdbModule",
1602         .tp_methods = py_ldb_module_methods,
1603         .tp_repr = (reprfunc)py_ldb_module_repr,
1604         .tp_str = (reprfunc)py_ldb_module_str,
1605         .tp_basicsize = sizeof(PyLdbModuleObject),
1606         .tp_dealloc = (destructor)py_ldb_module_dealloc,
1607         .tp_flags = Py_TPFLAGS_DEFAULT,
1608 };
1609
1610
1611 /**
1612  * Create a ldb_message_element from a Python object.
1613  *
1614  * This will accept any sequence objects that contains strings, or
1615  * a string object.
1616  *
1617  * A reference to set_obj will be borrowed.
1618  *
1619  * @param mem_ctx Memory context
1620  * @param set_obj Python object to convert
1621  * @param flags ldb_message_element flags to set
1622  * @param attr_name Name of the attribute
1623  * @return New ldb_message_element, allocated as child of mem_ctx
1624  */
1625 struct ldb_message_element *PyObject_AsMessageElement(TALLOC_CTX *mem_ctx,
1626                                                                                            PyObject *set_obj, int flags,
1627                                                                                            const char *attr_name)
1628 {
1629         struct ldb_message_element *me;
1630
1631         if (PyLdbMessageElement_Check(set_obj))
1632                 return talloc_reference(mem_ctx,
1633                                                                 PyLdbMessageElement_AsMessageElement(set_obj));
1634
1635         me = talloc(mem_ctx, struct ldb_message_element);
1636
1637         me->name = talloc_strdup(me, attr_name);
1638         me->flags = flags;
1639         if (PyString_Check(set_obj)) {
1640                 me->num_values = 1;
1641                 me->values = talloc_array(me, struct ldb_val, me->num_values);
1642                 me->values[0].length = PyString_Size(set_obj);
1643                 me->values[0].data = talloc_memdup(me,
1644                         (uint8_t *)PyString_AsString(set_obj), me->values[0].length+1);
1645         } else if (PySequence_Check(set_obj)) {
1646                 int i;
1647                 me->num_values = PySequence_Size(set_obj);
1648                 me->values = talloc_array(me, struct ldb_val, me->num_values);
1649                 for (i = 0; i < me->num_values; i++) {
1650                         PyObject *obj = PySequence_GetItem(set_obj, i);
1651
1652                         me->values[i].length = PyString_Size(obj);
1653                         me->values[i].data = talloc_memdup(me,
1654                                 (uint8_t *)PyString_AsString(obj), me->values[i].length+1);
1655                 }
1656         } else {
1657                 talloc_free(me);
1658                 me = NULL;
1659         }
1660
1661         return me;
1662 }
1663
1664
1665 static PyObject *ldb_msg_element_to_set(struct ldb_context *ldb_ctx,
1666                                                                  struct ldb_message_element *me)
1667 {
1668         int i;
1669         PyObject *result;
1670
1671         /* Python << 2.5 doesn't have PySet_New and PySet_Add. */
1672         result = PyList_New(me->num_values);
1673
1674         for (i = 0; i < me->num_values; i++) {
1675                 PyList_SetItem(result, i,
1676                         PyObject_FromLdbValue(ldb_ctx, me, &me->values[i]));
1677         }
1678
1679         return result;
1680 }
1681
1682 static PyObject *py_ldb_msg_element_get(PyLdbMessageElementObject *self, PyObject *args)
1683 {
1684         int i;
1685         if (!PyArg_ParseTuple(args, "i", &i))
1686                 return NULL;
1687         if (i < 0 || i >= PyLdbMessageElement_AsMessageElement(self)->num_values)
1688                 Py_RETURN_NONE;
1689
1690         return PyObject_FromLdbValue(NULL, PyLdbMessageElement_AsMessageElement(self),
1691                                                                  &(PyLdbMessageElement_AsMessageElement(self)->values[i]));
1692 }
1693
1694 static PyObject *py_ldb_msg_element_flags(PyLdbMessageElementObject *self, PyObject *args)
1695 {
1696         struct ldb_message_element *el;
1697
1698         el = PyLdbMessageElement_AsMessageElement(self);
1699         return PyInt_FromLong(el->flags);
1700 }
1701
1702 static PyObject *py_ldb_msg_element_set_flags(PyLdbMessageElementObject *self, PyObject *args)
1703 {
1704         int flags;
1705         struct ldb_message_element *el;
1706         if (!PyArg_ParseTuple(args, "i", &flags))
1707                 return NULL;
1708
1709         el = PyLdbMessageElement_AsMessageElement(self);
1710         el->flags = flags;
1711         Py_RETURN_NONE;
1712 }
1713
1714 static PyMethodDef py_ldb_msg_element_methods[] = {
1715         { "get", (PyCFunction)py_ldb_msg_element_get, METH_VARARGS, NULL },
1716         { "set_flags", (PyCFunction)py_ldb_msg_element_set_flags, METH_VARARGS, NULL },
1717         { "flags", (PyCFunction)py_ldb_msg_element_flags, METH_NOARGS, NULL },
1718         { NULL },
1719 };
1720
1721 static Py_ssize_t py_ldb_msg_element_len(PyLdbMessageElementObject *self)
1722 {
1723         return PyLdbMessageElement_AsMessageElement(self)->num_values;
1724 }
1725
1726 static PyObject *py_ldb_msg_element_find(PyLdbMessageElementObject *self, Py_ssize_t idx)
1727 {
1728         struct ldb_message_element *el = PyLdbMessageElement_AsMessageElement(self);
1729         if (idx < 0 || idx >= el->num_values) {
1730                 PyErr_SetString(PyExc_IndexError, "Out of range");
1731                 return NULL;
1732         }
1733         return PyString_FromStringAndSize((char *)el->values[idx].data, el->values[idx].length);
1734 }
1735
1736 static PySequenceMethods py_ldb_msg_element_seq = {
1737         .sq_length = (lenfunc)py_ldb_msg_element_len,
1738         .sq_item = (ssizeargfunc)py_ldb_msg_element_find,
1739 };
1740
1741 static int py_ldb_msg_element_cmp(PyLdbMessageElementObject *self, PyLdbMessageElementObject *other)
1742 {
1743         return ldb_msg_element_compare(PyLdbMessageElement_AsMessageElement(self),
1744                                                                    PyLdbMessageElement_AsMessageElement(other));
1745 }
1746
1747 static PyObject *py_ldb_msg_element_iter(PyLdbMessageElementObject *self)
1748 {
1749         return PyObject_GetIter(ldb_msg_element_to_set(NULL, PyLdbMessageElement_AsMessageElement(self)));
1750 }
1751
1752 PyObject *PyLdbMessageElement_FromMessageElement(struct ldb_message_element *el, TALLOC_CTX *mem_ctx)
1753 {
1754         PyLdbMessageElementObject *ret;
1755         ret = (PyLdbMessageElementObject *)PyLdbMessageElement.tp_alloc(&PyLdbMessageElement, 0);
1756         if (ret == NULL) {
1757                 PyErr_NoMemory();
1758                 return NULL;
1759         }
1760         ret->mem_ctx = talloc_new(NULL);
1761         if (talloc_reference(ret->mem_ctx, mem_ctx) == NULL) {
1762                 PyErr_NoMemory();
1763                 return NULL;
1764         }
1765         ret->el = el;
1766         return (PyObject *)ret;
1767 }
1768
1769 static PyObject *py_ldb_msg_element_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
1770 {
1771         PyObject *py_elements = NULL;
1772         struct ldb_message_element *el;
1773         int flags = 0;
1774         char *name = NULL;
1775         const char * const kwnames[] = { "elements", "flags", "name", NULL };
1776         PyLdbMessageElementObject *ret;
1777         TALLOC_CTX *mem_ctx;
1778
1779         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|Ois",
1780                                          discard_const_p(char *, kwnames),
1781                                          &py_elements, &flags, &name))
1782                 return NULL;
1783
1784         mem_ctx = talloc_new(NULL);
1785         if (mem_ctx == NULL) {
1786                 PyErr_NoMemory();
1787                 return NULL;
1788         }
1789
1790         el = talloc_zero(mem_ctx, struct ldb_message_element);
1791
1792         if (py_elements != NULL) {
1793                 int i;
1794                 if (PyString_Check(py_elements)) {
1795                         el->num_values = 1;
1796                         el->values = talloc_array(el, struct ldb_val, 1);
1797                         el->values[0].length = PyString_Size(py_elements);
1798                         el->values[0].data = talloc_memdup(el,
1799                                 (uint8_t *)PyString_AsString(py_elements), el->values[0].length+1);
1800                 } else if (PySequence_Check(py_elements)) {
1801                         el->num_values = PySequence_Size(py_elements);
1802                         el->values = talloc_array(el, struct ldb_val, el->num_values);
1803                         for (i = 0; i < el->num_values; i++) {
1804                                 PyObject *item = PySequence_GetItem(py_elements, i);
1805                                 if (!PyString_Check(item)) {
1806                                         PyErr_Format(PyExc_TypeError,
1807                                                         "Expected string as element %d in list",
1808                                                         i);
1809                                         talloc_free(mem_ctx);
1810                                         return NULL;
1811                                 }
1812                                 el->values[i].length = PyString_Size(item);
1813                                 el->values[i].data = talloc_memdup(el,
1814                                         (uint8_t *)PyString_AsString(item), el->values[i].length+1);
1815                         }
1816                 } else {
1817                         PyErr_SetString(PyExc_TypeError,
1818                                         "Expected string or list");
1819                         talloc_free(mem_ctx);
1820                         return NULL;
1821                 }
1822         }
1823
1824         el->flags = flags;
1825         el->name = talloc_strdup(el, name);
1826
1827         ret = (PyLdbMessageElementObject *)PyLdbMessageElement.tp_alloc(&PyLdbMessageElement, 0);
1828         if (ret == NULL) {
1829                 PyErr_NoMemory();
1830                 talloc_free(mem_ctx);
1831                 return NULL;
1832         }
1833
1834         ret->mem_ctx = mem_ctx;
1835         ret->el = el;
1836         return (PyObject *)ret;
1837 }
1838
1839 static PyObject *py_ldb_msg_element_repr(PyLdbMessageElementObject *self)
1840 {
1841         char *element_str = NULL;
1842         int i;
1843         struct ldb_message_element *el = PyLdbMessageElement_AsMessageElement(self);
1844         PyObject *ret;
1845
1846         for (i = 0; i < el->num_values; i++) {
1847                 PyObject *o = py_ldb_msg_element_find(self, i);
1848                 if (element_str == NULL)
1849                         element_str = talloc_strdup(NULL, PyObject_REPR(o));
1850                 else
1851                         element_str = talloc_asprintf_append(element_str, ",%s", PyObject_REPR(o));
1852         }
1853
1854         if (element_str != NULL) {
1855                 ret = PyString_FromFormat("MessageElement([%s])", element_str);
1856                 talloc_free(element_str);
1857         } else {
1858                 ret = PyString_FromString("MessageElement([])");
1859         }
1860
1861         return ret;
1862 }
1863
1864 static PyObject *py_ldb_msg_element_str(PyLdbMessageElementObject *self)
1865 {
1866         struct ldb_message_element *el = PyLdbMessageElement_AsMessageElement(self);
1867
1868         if (el->num_values == 1)
1869                 return PyString_FromStringAndSize((char *)el->values[0].data, el->values[0].length);
1870         else
1871                 Py_RETURN_NONE;
1872 }
1873
1874 static void py_ldb_msg_element_dealloc(PyLdbMessageElementObject *self)
1875 {
1876         talloc_free(self->mem_ctx);
1877         self->ob_type->tp_free(self);
1878 }
1879
1880 PyTypeObject PyLdbMessageElement = {
1881         .tp_name = "ldb.MessageElement",
1882         .tp_basicsize = sizeof(PyLdbMessageElementObject),
1883         .tp_dealloc = (destructor)py_ldb_msg_element_dealloc,
1884         .tp_repr = (reprfunc)py_ldb_msg_element_repr,
1885         .tp_str = (reprfunc)py_ldb_msg_element_str,
1886         .tp_methods = py_ldb_msg_element_methods,
1887         .tp_compare = (cmpfunc)py_ldb_msg_element_cmp,
1888         .tp_iter = (getiterfunc)py_ldb_msg_element_iter,
1889         .tp_as_sequence = &py_ldb_msg_element_seq,
1890         .tp_new = py_ldb_msg_element_new,
1891         .tp_flags = Py_TPFLAGS_DEFAULT,
1892 };
1893
1894 static PyObject *py_ldb_msg_remove_attr(PyLdbMessageObject *self, PyObject *args)
1895 {
1896         char *name;
1897         if (!PyArg_ParseTuple(args, "s", &name))
1898                 return NULL;
1899
1900         ldb_msg_remove_attr(self->msg, name);
1901
1902         Py_RETURN_NONE;
1903 }
1904
1905 static PyObject *py_ldb_msg_keys(PyLdbMessageObject *self)
1906 {
1907         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
1908         int i, j = 0;
1909         PyObject *obj = PyList_New(msg->num_elements+(msg->dn != NULL?1:0));
1910         if (msg->dn != NULL) {
1911                 PyList_SetItem(obj, j, PyString_FromString("dn"));
1912                 j++;
1913         }
1914         for (i = 0; i < msg->num_elements; i++) {
1915                 PyList_SetItem(obj, j, PyString_FromString(msg->elements[i].name));
1916                 j++;
1917         }
1918         return obj;
1919 }
1920
1921 static PyObject *py_ldb_msg_getitem_helper(PyLdbMessageObject *self, PyObject *py_name)
1922 {
1923         struct ldb_message_element *el;
1924         char *name;
1925         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
1926         if (!PyString_Check(py_name)) {
1927                 PyErr_SetNone(PyExc_TypeError);
1928                 return NULL;
1929         }
1930         name = PyString_AsString(py_name);
1931         if (!strcmp(name, "dn"))
1932                 return PyLdbDn_FromDn(msg->dn);
1933         el = ldb_msg_find_element(msg, name);
1934         if (el == NULL) {
1935                 return NULL;
1936         }
1937         return (PyObject *)PyLdbMessageElement_FromMessageElement(el, msg);
1938 }
1939
1940 static PyObject *py_ldb_msg_getitem(PyLdbMessageObject *self, PyObject *py_name)
1941 {
1942         PyObject *ret = py_ldb_msg_getitem_helper(self, py_name);
1943         if (ret == NULL) {
1944                 PyErr_SetString(PyExc_KeyError, "No such element");
1945                 return NULL;
1946         }
1947         return ret;
1948 }
1949
1950 static PyObject *py_ldb_msg_get(PyLdbMessageObject *self, PyObject *args)
1951 {
1952         PyObject *name, *ret;
1953         if (!PyArg_ParseTuple(args, "O", &name))
1954                 return NULL;
1955
1956         ret = py_ldb_msg_getitem_helper(self, name);
1957         if (ret == NULL) {
1958                 if (PyErr_Occurred())
1959                         return NULL;
1960                 Py_RETURN_NONE;
1961         }
1962         return ret;
1963 }
1964
1965 static PyObject *py_ldb_msg_items(PyLdbMessageObject *self)
1966 {
1967         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
1968         int i, j;
1969         PyObject *l = PyList_New(msg->num_elements + (msg->dn == NULL?0:1));
1970         j = 0;
1971         if (msg->dn != NULL) {
1972                 PyList_SetItem(l, 0, Py_BuildValue("(sO)", "dn", PyLdbDn_FromDn(msg->dn)));
1973                 j++;
1974         }
1975         for (i = 0; i < msg->num_elements; i++, j++) {
1976                 PyList_SetItem(l, j, Py_BuildValue("(sO)", msg->elements[i].name, PyLdbMessageElement_FromMessageElement(&msg->elements[i], self->msg)));
1977         }
1978         return l;
1979 }
1980
1981 static PyMethodDef py_ldb_msg_methods[] = {
1982         { "keys", (PyCFunction)py_ldb_msg_keys, METH_NOARGS, NULL },
1983         { "remove", (PyCFunction)py_ldb_msg_remove_attr, METH_VARARGS, NULL },
1984         { "get", (PyCFunction)py_ldb_msg_get, METH_VARARGS, NULL },
1985         { "items", (PyCFunction)py_ldb_msg_items, METH_NOARGS, NULL },
1986         { NULL },
1987 };
1988
1989 static PyObject *py_ldb_msg_iter(PyLdbMessageObject *self)
1990 {
1991         PyObject *list, *iter;
1992
1993         list = py_ldb_msg_keys(self);
1994         iter = PyObject_GetIter(list);
1995         Py_DECREF(list);
1996         return iter;
1997 }
1998
1999 static int py_ldb_msg_setitem(PyLdbMessageObject *self, PyObject *name, PyObject *value)
2000 {
2001         char *attr_name;
2002
2003         if (!PyString_Check(name)) {
2004                 PyErr_SetNone(PyExc_TypeError);
2005                 return -1;
2006         }
2007
2008         attr_name = PyString_AsString(name);
2009         if (value == NULL) {
2010                 /* delitem */
2011                 ldb_msg_remove_attr(self->msg, attr_name);
2012         } else {
2013                 struct ldb_message_element *el = PyObject_AsMessageElement(self->msg,
2014                                                                                         value, 0, attr_name);
2015                 if (el == NULL)
2016                         return -1;
2017                 ldb_msg_remove_attr(PyLdbMessage_AsMessage(self), attr_name);
2018                 ldb_msg_add(PyLdbMessage_AsMessage(self), el, el->flags);
2019         }
2020         return 0;
2021 }
2022
2023 static Py_ssize_t py_ldb_msg_length(PyLdbMessageObject *self)
2024 {
2025         return PyLdbMessage_AsMessage(self)->num_elements;
2026 }
2027
2028 static PyMappingMethods py_ldb_msg_mapping = {
2029         .mp_length = (lenfunc)py_ldb_msg_length,
2030         .mp_subscript = (binaryfunc)py_ldb_msg_getitem,
2031         .mp_ass_subscript = (objobjargproc)py_ldb_msg_setitem,
2032 };
2033
2034 static PyObject *py_ldb_msg_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
2035 {
2036         const char * const kwnames[] = { "dn", NULL };
2037         struct ldb_message *ret;
2038         TALLOC_CTX *mem_ctx;
2039         PyObject *pydn = NULL;
2040         PyLdbMessageObject *py_ret;
2041
2042         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O",
2043                                          discard_const_p(char *, kwnames),
2044                                          &pydn))
2045                 return NULL;
2046
2047         mem_ctx = talloc_new(NULL);
2048         if (mem_ctx == NULL) {
2049                 PyErr_NoMemory();
2050                 return NULL;
2051         }
2052
2053         ret = ldb_msg_new(mem_ctx);
2054         if (ret == NULL) {
2055                 talloc_free(mem_ctx);
2056                 PyErr_NoMemory();
2057                 return NULL;
2058         }
2059
2060         if (pydn != NULL) {
2061                 struct ldb_dn *dn;
2062                 if (!PyObject_AsDn(NULL, pydn, NULL, &dn)) {
2063                         talloc_free(mem_ctx);
2064                         return NULL;
2065                 }
2066                 ret->dn = talloc_reference(ret, dn);
2067         }
2068
2069         py_ret = (PyLdbMessageObject *)type->tp_alloc(type, 0);
2070         if (py_ret == NULL) {
2071                 PyErr_NoMemory();
2072                 talloc_free(mem_ctx);
2073                 return NULL;
2074         }
2075
2076         py_ret->mem_ctx = mem_ctx;
2077         py_ret->msg = ret;
2078         return (PyObject *)py_ret;
2079 }
2080
2081 PyObject *PyLdbMessage_FromMessage(struct ldb_message *msg)
2082 {
2083         PyLdbMessageObject *ret;
2084
2085         ret = (PyLdbMessageObject *)PyLdbMessage.tp_alloc(&PyLdbMessage, 0);
2086         if (ret == NULL) {
2087                 PyErr_NoMemory();
2088                 return NULL;
2089         }
2090         ret->mem_ctx = talloc_new(NULL);
2091         ret->msg = talloc_reference(ret->mem_ctx, msg);
2092         return (PyObject *)ret;
2093 }
2094
2095 static PyObject *py_ldb_msg_get_dn(PyLdbMessageObject *self, void *closure)
2096 {
2097         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
2098         return PyLdbDn_FromDn(msg->dn);
2099 }
2100
2101 static int py_ldb_msg_set_dn(PyLdbMessageObject *self, PyObject *value, void *closure)
2102 {
2103         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
2104         if (!PyLdbDn_Check(value)) {
2105                 PyErr_SetNone(PyExc_TypeError);
2106                 return -1;
2107         }
2108
2109         msg->dn = talloc_reference(msg, PyLdbDn_AsDn(value));
2110         return 0;
2111 }
2112
2113 static PyGetSetDef py_ldb_msg_getset[] = {
2114         { discard_const_p(char, "dn"), (getter)py_ldb_msg_get_dn, (setter)py_ldb_msg_set_dn, NULL },
2115         { NULL }
2116 };
2117
2118 static PyObject *py_ldb_msg_repr(PyLdbMessageObject *self)
2119 {
2120         PyObject *dict = PyDict_New(), *ret;
2121         if (PyDict_Update(dict, (PyObject *)self) != 0)
2122                 return NULL;
2123         ret = PyString_FromFormat("Message(%s)", PyObject_REPR(dict));
2124         Py_DECREF(dict);
2125         return ret;
2126 }
2127
2128 static void py_ldb_msg_dealloc(PyLdbMessageObject *self)
2129 {
2130         talloc_free(self->mem_ctx);
2131         self->ob_type->tp_free(self);
2132 }
2133
2134 static int py_ldb_msg_compare(PyLdbMessageObject *py_msg1,
2135                               PyLdbMessageObject *py_msg2)
2136 {
2137         struct ldb_message *msg1 = PyLdbMessage_AsMessage(py_msg1),
2138                            *msg2 = PyLdbMessage_AsMessage(py_msg2);
2139         unsigned int i;
2140         int ret;
2141
2142         if ((msg1->dn != NULL) || (msg2->dn != NULL)) {
2143                 ret = ldb_dn_compare(msg1->dn, msg2->dn);
2144                 if (ret != 0) {
2145                         return ret;
2146                 }
2147         }
2148
2149         ret = msg1->num_elements - msg2->num_elements;
2150         if (ret != 0) {
2151                 return ret;
2152         }
2153
2154         for (i = 0; i < msg1->num_elements; i++) {
2155                 ret = ldb_msg_element_compare_name(&msg1->elements[i],
2156                                                    &msg2->elements[i]);
2157                 if (ret != 0) {
2158                         return ret;
2159                 }
2160
2161                 ret = ldb_msg_element_compare(&msg1->elements[i],
2162                                               &msg2->elements[i]);
2163                 if (ret != 0) {
2164                         return ret;
2165                 }
2166         }
2167
2168         return 0;
2169 }
2170
2171 PyTypeObject PyLdbMessage = {
2172         .tp_name = "ldb.Message",
2173         .tp_methods = py_ldb_msg_methods,
2174         .tp_getset = py_ldb_msg_getset,
2175         .tp_as_mapping = &py_ldb_msg_mapping,
2176         .tp_basicsize = sizeof(PyLdbMessageObject),
2177         .tp_dealloc = (destructor)py_ldb_msg_dealloc,
2178         .tp_new = py_ldb_msg_new,
2179         .tp_repr = (reprfunc)py_ldb_msg_repr,
2180         .tp_flags = Py_TPFLAGS_DEFAULT,
2181         .tp_iter = (getiterfunc)py_ldb_msg_iter,
2182         .tp_compare = (cmpfunc)py_ldb_msg_compare,
2183 };
2184
2185 PyObject *PyLdbTree_FromTree(struct ldb_parse_tree *tree)
2186 {
2187         PyLdbTreeObject *ret;
2188
2189         ret = (PyLdbTreeObject *)PyLdbTree.tp_alloc(&PyLdbTree, 0);
2190         if (ret == NULL) {
2191                 PyErr_NoMemory();
2192                 return NULL;
2193         }
2194
2195         ret->mem_ctx = talloc_new(NULL);
2196         ret->tree = talloc_reference(ret->mem_ctx, tree);
2197         return (PyObject *)ret;
2198 }
2199
2200 static void py_ldb_tree_dealloc(PyLdbTreeObject *self)
2201 {
2202         talloc_free(self->mem_ctx);
2203         self->ob_type->tp_free(self);
2204 }
2205
2206 PyTypeObject PyLdbTree = {
2207         .tp_name = "ldb.Tree",
2208         .tp_basicsize = sizeof(PyLdbTreeObject),
2209         .tp_dealloc = (destructor)py_ldb_tree_dealloc,
2210         .tp_flags = Py_TPFLAGS_DEFAULT,
2211 };
2212
2213 /* Ldb_module */
2214 static int py_module_search(struct ldb_module *mod, struct ldb_request *req)
2215 {
2216         PyObject *py_ldb = (PyObject *)mod->private_data;
2217         PyObject *py_result, *py_base, *py_attrs, *py_tree;
2218
2219         py_base = PyLdbDn_FromDn(req->op.search.base);
2220
2221         if (py_base == NULL)
2222                 return LDB_ERR_OPERATIONS_ERROR;
2223
2224         py_tree = PyLdbTree_FromTree(req->op.search.tree);
2225
2226         if (py_tree == NULL)
2227                 return LDB_ERR_OPERATIONS_ERROR;
2228
2229         if (req->op.search.attrs == NULL) {
2230                 py_attrs = Py_None;
2231         } else {
2232                 int i, len;
2233                 for (len = 0; req->op.search.attrs[len]; len++);
2234                 py_attrs = PyList_New(len);
2235                 for (i = 0; i < len; i++)
2236                         PyList_SetItem(py_attrs, i, PyString_FromString(req->op.search.attrs[i]));
2237         }
2238
2239         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "search"),
2240                                         discard_const_p(char, "OiOO"),
2241                                         py_base, req->op.search.scope, py_tree, py_attrs);
2242
2243         Py_DECREF(py_attrs);
2244         Py_DECREF(py_tree);
2245         Py_DECREF(py_base);
2246
2247         if (py_result == NULL) {
2248                 return LDB_ERR_PYTHON_EXCEPTION;
2249         }
2250
2251         req->op.search.res = PyLdbResult_AsResult(NULL, py_result);
2252         if (req->op.search.res == NULL) {
2253                 return LDB_ERR_PYTHON_EXCEPTION;
2254         }
2255
2256         Py_DECREF(py_result);
2257
2258         return LDB_SUCCESS;
2259 }
2260
2261 static int py_module_add(struct ldb_module *mod, struct ldb_request *req)
2262 {
2263         PyObject *py_ldb = (PyObject *)mod->private_data;
2264         PyObject *py_result, *py_msg;
2265
2266         py_msg = PyLdbMessage_FromMessage(discard_const_p(struct ldb_message, req->op.add.message));
2267
2268         if (py_msg == NULL) {
2269                 return LDB_ERR_OPERATIONS_ERROR;
2270         }
2271
2272         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "add"),
2273                                         discard_const_p(char, "O"),
2274                                         py_msg);
2275
2276         Py_DECREF(py_msg);
2277
2278         if (py_result == NULL) {
2279                 return LDB_ERR_PYTHON_EXCEPTION;
2280         }
2281
2282         Py_DECREF(py_result);
2283
2284         return LDB_SUCCESS;
2285 }
2286
2287 static int py_module_modify(struct ldb_module *mod, struct ldb_request *req)
2288 {
2289         PyObject *py_ldb = (PyObject *)mod->private_data;
2290         PyObject *py_result, *py_msg;
2291
2292         py_msg = PyLdbMessage_FromMessage(discard_const_p(struct ldb_message, req->op.mod.message));
2293
2294         if (py_msg == NULL) {
2295                 return LDB_ERR_OPERATIONS_ERROR;
2296         }
2297
2298         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "modify"),
2299                                         discard_const_p(char, "O"),
2300                                         py_msg);
2301
2302         Py_DECREF(py_msg);
2303
2304         if (py_result == NULL) {
2305                 return LDB_ERR_PYTHON_EXCEPTION;
2306         }
2307
2308         Py_DECREF(py_result);
2309
2310         return LDB_SUCCESS;
2311 }
2312
2313 static int py_module_del(struct ldb_module *mod, struct ldb_request *req)
2314 {
2315         PyObject *py_ldb = (PyObject *)mod->private_data;
2316         PyObject *py_result, *py_dn;
2317
2318         py_dn = PyLdbDn_FromDn(req->op.del.dn);
2319
2320         if (py_dn == NULL)
2321                 return LDB_ERR_OPERATIONS_ERROR;
2322
2323         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "delete"),
2324                                         discard_const_p(char, "O"),
2325                                         py_dn);
2326
2327         if (py_result == NULL) {
2328                 return LDB_ERR_PYTHON_EXCEPTION;
2329         }
2330
2331         Py_DECREF(py_result);
2332
2333         return LDB_SUCCESS;
2334 }
2335
2336 static int py_module_rename(struct ldb_module *mod, struct ldb_request *req)
2337 {
2338         PyObject *py_ldb = (PyObject *)mod->private_data;
2339         PyObject *py_result, *py_olddn, *py_newdn;
2340
2341         py_olddn = PyLdbDn_FromDn(req->op.rename.olddn);
2342
2343         if (py_olddn == NULL)
2344                 return LDB_ERR_OPERATIONS_ERROR;
2345
2346         py_newdn = PyLdbDn_FromDn(req->op.rename.newdn);
2347
2348         if (py_newdn == NULL)
2349                 return LDB_ERR_OPERATIONS_ERROR;
2350
2351         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "rename"),
2352                                         discard_const_p(char, "OO"),
2353                                         py_olddn, py_newdn);
2354
2355         Py_DECREF(py_olddn);
2356         Py_DECREF(py_newdn);
2357
2358         if (py_result == NULL) {
2359                 return LDB_ERR_PYTHON_EXCEPTION;
2360         }
2361
2362         Py_DECREF(py_result);
2363
2364         return LDB_SUCCESS;
2365 }
2366
2367 static int py_module_request(struct ldb_module *mod, struct ldb_request *req)
2368 {
2369         PyObject *py_ldb = (PyObject *)mod->private_data;
2370         PyObject *py_result;
2371
2372         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "request"),
2373                                         discard_const_p(char, ""));
2374
2375         return LDB_ERR_OPERATIONS_ERROR;
2376 }
2377
2378 static int py_module_extended(struct ldb_module *mod, struct ldb_request *req)
2379 {
2380         PyObject *py_ldb = (PyObject *)mod->private_data;
2381         PyObject *py_result;
2382
2383         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "extended"),
2384                                         discard_const_p(char, ""));
2385
2386         return LDB_ERR_OPERATIONS_ERROR;
2387 }
2388
2389 static int py_module_start_transaction(struct ldb_module *mod)
2390 {
2391         PyObject *py_ldb = (PyObject *)mod->private_data;
2392         PyObject *py_result;
2393
2394         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "start_transaction"),
2395                                         discard_const_p(char, ""));
2396
2397         if (py_result == NULL) {
2398                 return LDB_ERR_PYTHON_EXCEPTION;
2399         }
2400
2401         Py_DECREF(py_result);
2402
2403         return LDB_SUCCESS;
2404 }
2405
2406 static int py_module_end_transaction(struct ldb_module *mod)
2407 {
2408         PyObject *py_ldb = (PyObject *)mod->private_data;
2409         PyObject *py_result;
2410
2411         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "end_transaction"),
2412                                         discard_const_p(char, ""));
2413
2414         if (py_result == NULL) {
2415                 return LDB_ERR_PYTHON_EXCEPTION;
2416         }
2417
2418         Py_DECREF(py_result);
2419
2420         return LDB_SUCCESS;
2421 }
2422
2423 static int py_module_del_transaction(struct ldb_module *mod)
2424 {
2425         PyObject *py_ldb = (PyObject *)mod->private_data;
2426         PyObject *py_result;
2427
2428         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "del_transaction"),
2429                                         discard_const_p(char, ""));
2430
2431         if (py_result == NULL) {
2432                 return LDB_ERR_PYTHON_EXCEPTION;
2433         }
2434
2435         Py_DECREF(py_result);
2436
2437         return LDB_SUCCESS;
2438 }
2439
2440 static int py_module_destructor(struct ldb_module *mod)
2441 {
2442         Py_DECREF((PyObject *)mod->private_data);
2443         return 0;
2444 }
2445
2446 static int py_module_init(struct ldb_module *mod)
2447 {
2448         PyObject *py_class = (PyObject *)mod->ops->private_data;
2449         PyObject *py_result, *py_next, *py_ldb;
2450
2451         py_ldb = PyLdb_FromLdbContext(mod->ldb);
2452
2453         if (py_ldb == NULL)
2454                 return LDB_ERR_OPERATIONS_ERROR;
2455
2456         py_next = PyLdbModule_FromModule(mod->next);
2457
2458         if (py_next == NULL)
2459                 return LDB_ERR_OPERATIONS_ERROR;
2460
2461         py_result = PyObject_CallFunction(py_class, discard_const_p(char, "OO"),
2462                                           py_ldb, py_next);
2463
2464         if (py_result == NULL) {
2465                 return LDB_ERR_PYTHON_EXCEPTION;
2466         }
2467
2468         mod->private_data = py_result;
2469
2470         talloc_set_destructor(mod, py_module_destructor);
2471
2472         return ldb_next_init(mod);
2473 }
2474
2475 static PyObject *py_register_module(PyObject *module, PyObject *args)
2476 {
2477         int ret;
2478         struct ldb_module_ops *ops;
2479         PyObject *input;
2480
2481         if (!PyArg_ParseTuple(args, "O", &input))
2482                 return NULL;
2483
2484         ops = talloc_zero(talloc_autofree_context(), struct ldb_module_ops);
2485         if (ops == NULL) {
2486                 PyErr_NoMemory();
2487                 return NULL;
2488         }
2489
2490         ops->name = talloc_strdup(ops, PyString_AsString(PyObject_GetAttrString(input, discard_const_p(char, "name"))));
2491
2492         Py_INCREF(input);
2493         ops->private_data = input;
2494         ops->init_context = py_module_init;
2495         ops->search = py_module_search;
2496         ops->add = py_module_add;
2497         ops->modify = py_module_modify;
2498         ops->del = py_module_del;
2499         ops->rename = py_module_rename;
2500         ops->request = py_module_request;
2501         ops->extended = py_module_extended;
2502         ops->start_transaction = py_module_start_transaction;
2503         ops->end_transaction = py_module_end_transaction;
2504         ops->del_transaction = py_module_del_transaction;
2505
2506         ret = ldb_register_module(ops);
2507
2508         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
2509
2510         Py_RETURN_NONE;
2511 }
2512
2513 static PyObject *py_timestring(PyObject *module, PyObject *args)
2514 {
2515         time_t t;
2516         unsigned long val;
2517         char *tresult;
2518         PyObject *ret;
2519         if (!PyArg_ParseTuple(args, "l", &val))
2520                 return NULL;
2521         t = (time_t)val;
2522         tresult = ldb_timestring(NULL, t);
2523         ret = PyString_FromString(tresult);
2524         talloc_free(tresult);
2525         return ret;
2526 }
2527
2528 static PyObject *py_string_to_time(PyObject *module, PyObject *args)
2529 {
2530         char *str;
2531         if (!PyArg_ParseTuple(args, "s", &str))
2532                 return NULL;
2533
2534         return PyInt_FromLong(ldb_string_to_time(str));
2535 }
2536
2537 static PyObject *py_valid_attr_name(PyObject *self, PyObject *args)
2538 {
2539         char *name;
2540         if (!PyArg_ParseTuple(args, "s", &name))
2541                 return NULL;
2542         return PyBool_FromLong(ldb_valid_attr_name(name));
2543 }
2544
2545 static PyMethodDef py_ldb_global_methods[] = {
2546         { "register_module", py_register_module, METH_VARARGS,
2547                 "S.register_module(module) -> None\n"
2548                 "Register a LDB module."},
2549         { "timestring", py_timestring, METH_VARARGS,
2550                 "S.timestring(int) -> string\n"
2551                 "Generate a LDAP time string from a UNIX timestamp" },
2552         { "string_to_time", py_string_to_time, METH_VARARGS,
2553                 "S.string_to_time(string) -> int\n"
2554                 "Parse a LDAP time string into a UNIX timestamp." },
2555         { "valid_attr_name", py_valid_attr_name, METH_VARARGS,
2556                 "S.valid_attr_name(name) -> bool\n"
2557                 "Check whether the supplied name is a valid attribute name." },
2558         { "open", (PyCFunction)py_ldb_new, METH_VARARGS|METH_KEYWORDS,
2559                 NULL },
2560         { NULL }
2561 };
2562
2563 void initldb(void)
2564 {
2565         PyObject *m;
2566
2567         if (PyType_Ready(&PyLdbDn) < 0)
2568                 return;
2569
2570         if (PyType_Ready(&PyLdbMessage) < 0)
2571                 return;
2572
2573         if (PyType_Ready(&PyLdbMessageElement) < 0)
2574                 return;
2575
2576         if (PyType_Ready(&PyLdb) < 0)
2577                 return;
2578
2579         if (PyType_Ready(&PyLdbModule) < 0)
2580                 return;
2581
2582         if (PyType_Ready(&PyLdbTree) < 0)
2583                 return;
2584
2585         m = Py_InitModule3("ldb", py_ldb_global_methods,
2586                 "An interface to LDB, a LDAP-like API that can either to talk an embedded database (TDB-based) or a standards-compliant LDAP server.");
2587         if (m == NULL)
2588                 return;
2589
2590         PyModule_AddObject(m, "SCOPE_DEFAULT", PyInt_FromLong(LDB_SCOPE_DEFAULT));
2591         PyModule_AddObject(m, "SCOPE_BASE", PyInt_FromLong(LDB_SCOPE_BASE));
2592         PyModule_AddObject(m, "SCOPE_ONELEVEL", PyInt_FromLong(LDB_SCOPE_ONELEVEL));
2593         PyModule_AddObject(m, "SCOPE_SUBTREE", PyInt_FromLong(LDB_SCOPE_SUBTREE));
2594
2595         PyModule_AddObject(m, "CHANGETYPE_NONE", PyInt_FromLong(LDB_CHANGETYPE_NONE));
2596         PyModule_AddObject(m, "CHANGETYPE_ADD", PyInt_FromLong(LDB_CHANGETYPE_ADD));
2597         PyModule_AddObject(m, "CHANGETYPE_DELETE", PyInt_FromLong(LDB_CHANGETYPE_DELETE));
2598         PyModule_AddObject(m, "CHANGETYPE_MODIFY", PyInt_FromLong(LDB_CHANGETYPE_MODIFY));
2599
2600         PyModule_AddObject(m, "FLAG_MOD_ADD", PyInt_FromLong(LDB_FLAG_MOD_ADD));
2601         PyModule_AddObject(m, "FLAG_MOD_REPLACE", PyInt_FromLong(LDB_FLAG_MOD_REPLACE));
2602         PyModule_AddObject(m, "FLAG_MOD_DELETE", PyInt_FromLong(LDB_FLAG_MOD_DELETE));
2603
2604         PyModule_AddObject(m, "SUCCESS", PyInt_FromLong(LDB_SUCCESS));
2605         PyModule_AddObject(m, "ERR_OPERATIONS_ERROR", PyInt_FromLong(LDB_ERR_OPERATIONS_ERROR));
2606         PyModule_AddObject(m, "ERR_PROTOCOL_ERROR", PyInt_FromLong(LDB_ERR_PROTOCOL_ERROR));
2607         PyModule_AddObject(m, "ERR_TIME_LIMIT_EXCEEDED", PyInt_FromLong(LDB_ERR_TIME_LIMIT_EXCEEDED));
2608         PyModule_AddObject(m, "ERR_SIZE_LIMIT_EXCEEDED", PyInt_FromLong(LDB_ERR_SIZE_LIMIT_EXCEEDED));
2609         PyModule_AddObject(m, "ERR_COMPARE_FALSE", PyInt_FromLong(LDB_ERR_COMPARE_FALSE));
2610         PyModule_AddObject(m, "ERR_COMPARE_TRUE", PyInt_FromLong(LDB_ERR_COMPARE_TRUE));
2611         PyModule_AddObject(m, "ERR_AUTH_METHOD_NOT_SUPPORTED", PyInt_FromLong(LDB_ERR_AUTH_METHOD_NOT_SUPPORTED));
2612         PyModule_AddObject(m, "ERR_STRONG_AUTH_REQUIRED", PyInt_FromLong(LDB_ERR_STRONG_AUTH_REQUIRED));
2613         PyModule_AddObject(m, "ERR_REFERRAL", PyInt_FromLong(LDB_ERR_REFERRAL));
2614         PyModule_AddObject(m, "ERR_ADMIN_LIMIT_EXCEEDED", PyInt_FromLong(LDB_ERR_ADMIN_LIMIT_EXCEEDED));
2615         PyModule_AddObject(m, "ERR_UNSUPPORTED_CRITICAL_EXTENSION", PyInt_FromLong(LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION));
2616         PyModule_AddObject(m, "ERR_CONFIDENTIALITY_REQUIRED", PyInt_FromLong(LDB_ERR_CONFIDENTIALITY_REQUIRED));
2617         PyModule_AddObject(m, "ERR_SASL_BIND_IN_PROGRESS", PyInt_FromLong(LDB_ERR_SASL_BIND_IN_PROGRESS));
2618         PyModule_AddObject(m, "ERR_NO_SUCH_ATTRIBUTE", PyInt_FromLong(LDB_ERR_NO_SUCH_ATTRIBUTE));
2619         PyModule_AddObject(m, "ERR_UNDEFINED_ATTRIBUTE_TYPE", PyInt_FromLong(LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE));
2620         PyModule_AddObject(m, "ERR_INAPPROPRIATE_MATCHING", PyInt_FromLong(LDB_ERR_INAPPROPRIATE_MATCHING));
2621         PyModule_AddObject(m, "ERR_CONSTRAINT_VIOLATION", PyInt_FromLong(LDB_ERR_CONSTRAINT_VIOLATION));
2622         PyModule_AddObject(m, "ERR_ATTRIBUTE_OR_VALUE_EXISTS", PyInt_FromLong(LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS));
2623         PyModule_AddObject(m, "ERR_INVALID_ATTRIBUTE_SYNTAX", PyInt_FromLong(LDB_ERR_INVALID_ATTRIBUTE_SYNTAX));
2624         PyModule_AddObject(m, "ERR_NO_SUCH_OBJECT", PyInt_FromLong(LDB_ERR_NO_SUCH_OBJECT));
2625         PyModule_AddObject(m, "ERR_ALIAS_PROBLEM", PyInt_FromLong(LDB_ERR_ALIAS_PROBLEM));
2626         PyModule_AddObject(m, "ERR_INVALID_DN_SYNTAX", PyInt_FromLong(LDB_ERR_INVALID_DN_SYNTAX));
2627         PyModule_AddObject(m, "ERR_ALIAS_DEREFERINCING_PROBLEM", PyInt_FromLong(LDB_ERR_ALIAS_DEREFERENCING_PROBLEM));
2628         PyModule_AddObject(m, "ERR_INAPPROPRIATE_AUTHENTICATION", PyInt_FromLong(LDB_ERR_INAPPROPRIATE_AUTHENTICATION));
2629         PyModule_AddObject(m, "ERR_INVALID_CREDENTIALS", PyInt_FromLong(LDB_ERR_INVALID_CREDENTIALS));
2630         PyModule_AddObject(m, "ERR_INSUFFICIENT_ACCESS_RIGHTS", PyInt_FromLong(LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS));
2631         PyModule_AddObject(m, "ERR_BUSY", PyInt_FromLong(LDB_ERR_BUSY));
2632         PyModule_AddObject(m, "ERR_UNAVAILABLE", PyInt_FromLong(LDB_ERR_UNAVAILABLE));
2633         PyModule_AddObject(m, "ERR_UNWILLING_TO_PERFORM", PyInt_FromLong(LDB_ERR_UNWILLING_TO_PERFORM));
2634         PyModule_AddObject(m, "ERR_LOOP_DETECT", PyInt_FromLong(LDB_ERR_LOOP_DETECT));
2635         PyModule_AddObject(m, "ERR_NAMING_VIOLATION", PyInt_FromLong(LDB_ERR_NAMING_VIOLATION));
2636         PyModule_AddObject(m, "ERR_OBJECT_CLASS_VIOLATION", PyInt_FromLong(LDB_ERR_OBJECT_CLASS_VIOLATION));
2637         PyModule_AddObject(m, "ERR_NOT_ALLOWED_ON_NON_LEAF", PyInt_FromLong(LDB_ERR_NOT_ALLOWED_ON_NON_LEAF));
2638         PyModule_AddObject(m, "ERR_NOT_ALLOWED_ON_RDN", PyInt_FromLong(LDB_ERR_NOT_ALLOWED_ON_RDN));
2639         PyModule_AddObject(m, "ERR_ENTRY_ALREADY_EXISTS", PyInt_FromLong(LDB_ERR_ENTRY_ALREADY_EXISTS));
2640         PyModule_AddObject(m, "ERR_OBJECT_CLASS_MODS_PROHIBITED", PyInt_FromLong(LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED));
2641         PyModule_AddObject(m, "ERR_AFFECTS_MULTIPLE_DSAS", PyInt_FromLong(LDB_ERR_AFFECTS_MULTIPLE_DSAS));
2642         PyModule_AddObject(m, "ERR_OTHER", PyInt_FromLong(LDB_ERR_OTHER));
2643
2644         PyModule_AddObject(m, "FLG_RDONLY", PyInt_FromLong(LDB_FLG_RDONLY));
2645         PyModule_AddObject(m, "FLG_NOSYNC", PyInt_FromLong(LDB_FLG_NOSYNC));
2646         PyModule_AddObject(m, "FLG_RECONNECT", PyInt_FromLong(LDB_FLG_RECONNECT));
2647         PyModule_AddObject(m, "FLG_NOMMAP", PyInt_FromLong(LDB_FLG_NOMMAP));
2648
2649         PyModule_AddObject(m, "__docformat__", PyString_FromString("restructuredText"));
2650
2651         PyExc_LdbError = PyErr_NewException(discard_const_p(char, "_ldb.LdbError"), NULL, NULL);
2652         PyModule_AddObject(m, "LdbError", PyExc_LdbError);
2653
2654         Py_INCREF(&PyLdb);
2655         Py_INCREF(&PyLdbDn);
2656         Py_INCREF(&PyLdbModule);
2657         Py_INCREF(&PyLdbMessage);
2658         Py_INCREF(&PyLdbMessageElement);
2659         Py_INCREF(&PyLdbTree);
2660
2661         PyModule_AddObject(m, "Ldb", (PyObject *)&PyLdb);
2662         PyModule_AddObject(m, "Dn", (PyObject *)&PyLdbDn);
2663         PyModule_AddObject(m, "Message", (PyObject *)&PyLdbMessage);
2664         PyModule_AddObject(m, "MessageElement", (PyObject *)&PyLdbMessageElement);
2665         PyModule_AddObject(m, "Module", (PyObject *)&PyLdbModule);
2666         PyModule_AddObject(m, "Tree", (PyObject *)&PyLdbTree);
2667 }