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         int ldb_ret;
1039         PyObject *py_msg_old;
1040         PyObject *py_msg_new;
1041         struct ldb_message *diff;
1042         struct ldb_context *ldb;
1043         PyObject *py_ret;
1044
1045         if (!PyArg_ParseTuple(args, "OO", &py_msg_old, &py_msg_new))
1046                 return NULL;
1047
1048         if (!PyLdbMessage_Check(py_msg_old)) {
1049                 PyErr_SetString(PyExc_TypeError, "Expected Ldb Message for old message");
1050                 return NULL;
1051         }
1052
1053         if (!PyLdbMessage_Check(py_msg_new)) {
1054                 PyErr_SetString(PyExc_TypeError, "Expected Ldb Message for new message");
1055                 return NULL;
1056         }
1057
1058         ldb = PyLdb_AsLdbContext(self);
1059         ldb_ret = ldb_msg_diff_ex(ldb,
1060                                   PyLdbMessage_AsMessage(py_msg_old),
1061                                   PyLdbMessage_AsMessage(py_msg_new),
1062                                   (TALLOC_CTX*)ldb, &diff);
1063         if (ldb_ret != LDB_SUCCESS) {
1064                 PyErr_SetString(PyExc_RuntimeError, "Failed to generate the Ldb Message diff");
1065                 return NULL;
1066         }
1067
1068         py_ret = PyLdbMessage_FromMessage(diff);
1069
1070         talloc_unlink(ldb, diff);
1071
1072         return py_ret;
1073 }
1074
1075 static PyObject *py_ldb_schema_format_value(PyLdbObject *self, PyObject *args)
1076 {
1077         const struct ldb_schema_attribute *a;
1078         struct ldb_val old_val;
1079         struct ldb_val new_val;
1080         TALLOC_CTX *mem_ctx;
1081         PyObject *ret;
1082         char *element_name;
1083         PyObject *val;
1084
1085         if (!PyArg_ParseTuple(args, "sO", &element_name, &val))
1086                 return NULL;
1087
1088         mem_ctx = talloc_new(NULL);
1089
1090         old_val.data = (uint8_t *)PyString_AsString(val);
1091         old_val.length = PyString_Size(val);
1092
1093         a = ldb_schema_attribute_by_name(PyLdb_AsLdbContext(self), element_name);
1094
1095         if (a == NULL) {
1096                 Py_RETURN_NONE;
1097         }
1098
1099         if (a->syntax->ldif_write_fn(PyLdb_AsLdbContext(self), mem_ctx, &old_val, &new_val) != 0) {
1100                 talloc_free(mem_ctx);
1101                 Py_RETURN_NONE;
1102         }
1103
1104         ret = PyString_FromStringAndSize((const char *)new_val.data, new_val.length);
1105
1106         talloc_free(mem_ctx);
1107
1108         return ret;
1109 }
1110
1111 static PyObject *py_ldb_search(PyLdbObject *self, PyObject *args, PyObject *kwargs)
1112 {
1113         PyObject *py_base = Py_None;
1114         int scope = LDB_SCOPE_DEFAULT;
1115         char *expr = NULL;
1116         PyObject *py_attrs = Py_None;
1117         PyObject *py_controls = Py_None;
1118         const char * const kwnames[] = { "base", "scope", "expression", "attrs", "controls", NULL };
1119         int ret;
1120         struct ldb_result *res;
1121         struct ldb_request *req;
1122         const char **attrs;
1123         struct ldb_context *ldb_ctx;
1124         struct ldb_control **parsed_controls;
1125         struct ldb_dn *base;
1126         PyObject *py_ret;
1127         TALLOC_CTX *mem_ctx;
1128
1129         /* type "int" rather than "enum" for "scope" is intentional */
1130         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OizOO",
1131                                          discard_const_p(char *, kwnames),
1132                                          &py_base, &scope, &expr, &py_attrs, &py_controls))
1133                 return NULL;
1134
1135
1136         mem_ctx = talloc_new(NULL);
1137         if (mem_ctx == NULL) {
1138                 PyErr_NoMemory();
1139                 return NULL;
1140         }
1141         ldb_ctx = PyLdb_AsLdbContext(self);
1142
1143         if (py_attrs == Py_None) {
1144                 attrs = NULL;
1145         } else {
1146                 attrs = PyList_AsStringList(mem_ctx, py_attrs, "attrs");
1147                 if (attrs == NULL) {
1148                         talloc_free(mem_ctx);
1149                         return NULL;
1150                 }
1151         }
1152
1153         if (py_base == Py_None) {
1154                 base = ldb_get_default_basedn(ldb_ctx);
1155         } else {
1156                 if (!PyObject_AsDn(ldb_ctx, py_base, ldb_ctx, &base)) {
1157                         talloc_free(attrs);
1158                         return NULL;
1159                 }
1160         }
1161
1162         if (py_controls == Py_None) {
1163                 parsed_controls = NULL;
1164         } else {
1165                 const char **controls = PyList_AsStringList(mem_ctx, py_controls, "controls");
1166                 parsed_controls = ldb_parse_control_strings(ldb_ctx, mem_ctx, controls);
1167                 talloc_free(controls);
1168         }
1169
1170         res = talloc_zero(mem_ctx, struct ldb_result);
1171         if (res == NULL) {
1172                 PyErr_NoMemory();
1173                 talloc_free(mem_ctx);
1174                 return NULL;
1175         }
1176
1177         ret = ldb_build_search_req(&req, ldb_ctx, mem_ctx,
1178                                    base,
1179                                    scope,
1180                                    expr,
1181                                    attrs,
1182                                    parsed_controls,
1183                                    res,
1184                                    ldb_search_default_callback,
1185                                    NULL);
1186
1187         talloc_steal(req, attrs);
1188
1189         if (ret != LDB_SUCCESS) {
1190                 talloc_free(mem_ctx);
1191                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
1192                 return NULL;
1193         }
1194
1195         ret = ldb_request(ldb_ctx, req);
1196
1197         if (ret == LDB_SUCCESS) {
1198                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1199         }
1200
1201         if (ret != LDB_SUCCESS) {
1202                 talloc_free(mem_ctx);
1203                 PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
1204                 return NULL;
1205         }
1206
1207         py_ret = PyLdbResult_FromResult(res);
1208
1209         talloc_free(mem_ctx);
1210
1211         return py_ret;
1212 }
1213
1214 static PyObject *py_ldb_get_opaque(PyLdbObject *self, PyObject *args)
1215 {
1216         char *name;
1217         void *data;
1218
1219         if (!PyArg_ParseTuple(args, "s", &name))
1220                 return NULL;
1221
1222         data = ldb_get_opaque(PyLdb_AsLdbContext(self), name);
1223
1224         if (data == NULL)
1225                 Py_RETURN_NONE;
1226
1227         /* FIXME: More interpretation */
1228
1229         return Py_True;
1230 }
1231
1232 static PyObject *py_ldb_set_opaque(PyLdbObject *self, PyObject *args)
1233 {
1234         char *name;
1235         PyObject *data;
1236
1237         if (!PyArg_ParseTuple(args, "sO", &name, &data))
1238                 return NULL;
1239
1240         /* FIXME: More interpretation */
1241
1242         ldb_set_opaque(PyLdb_AsLdbContext(self), name, data);
1243
1244         Py_RETURN_NONE;
1245 }
1246
1247 static PyObject *py_ldb_modules(PyLdbObject *self)
1248 {
1249         struct ldb_context *ldb = PyLdb_AsLdbContext(self);
1250         PyObject *ret = PyList_New(0);
1251         struct ldb_module *mod;
1252
1253         for (mod = ldb->modules; mod; mod = mod->next) {
1254                 PyList_Append(ret, PyLdbModule_FromModule(mod));
1255         }
1256
1257         return ret;
1258 }
1259
1260 static PyMethodDef py_ldb_methods[] = {
1261         { "set_debug", (PyCFunction)py_ldb_set_debug, METH_VARARGS,
1262                 "S.set_debug(callback) -> None\n"
1263                 "Set callback for LDB debug messages.\n"
1264                 "The callback should accept a debug level and debug text." },
1265         { "set_create_perms", (PyCFunction)py_ldb_set_create_perms, METH_VARARGS,
1266                 "S.set_create_perms(mode) -> None\n"
1267                 "Set mode to use when creating new LDB files." },
1268         { "set_modules_dir", (PyCFunction)py_ldb_set_modules_dir, METH_VARARGS,
1269                 "S.set_modules_dir(path) -> None\n"
1270                 "Set path LDB should search for modules" },
1271         { "transaction_start", (PyCFunction)py_ldb_transaction_start, METH_NOARGS,
1272                 "S.transaction_start() -> None\n"
1273                 "Start a new transaction." },
1274         { "transaction_prepare_commit", (PyCFunction)py_ldb_transaction_prepare_commit, METH_NOARGS,
1275                 "S.transaction_prepare_commit() -> None\n"
1276                 "prepare to commit a new transaction (2-stage commit)." },
1277         { "transaction_commit", (PyCFunction)py_ldb_transaction_commit, METH_NOARGS,
1278                 "S.transaction_commit() -> None\n"
1279                 "commit a new transaction." },
1280         { "transaction_cancel", (PyCFunction)py_ldb_transaction_cancel, METH_NOARGS,
1281                 "S.transaction_cancel() -> None\n"
1282                 "cancel a new transaction." },
1283         { "setup_wellknown_attributes", (PyCFunction)py_ldb_setup_wellknown_attributes, METH_NOARGS,
1284                 NULL },
1285         { "get_root_basedn", (PyCFunction)py_ldb_get_root_basedn, METH_NOARGS,
1286                 NULL },
1287         { "get_schema_basedn", (PyCFunction)py_ldb_get_schema_basedn, METH_NOARGS,
1288                 NULL },
1289         { "get_default_basedn", (PyCFunction)py_ldb_get_default_basedn, METH_NOARGS,
1290                 NULL },
1291         { "get_config_basedn", (PyCFunction)py_ldb_get_config_basedn, METH_NOARGS,
1292                 NULL },
1293         { "connect", (PyCFunction)py_ldb_connect, METH_VARARGS|METH_KEYWORDS,
1294                 "S.connect(url, flags=0, options=None) -> None\n"
1295                 "Connect to a LDB URL." },
1296         { "modify", (PyCFunction)py_ldb_modify, METH_VARARGS,
1297                 "S.modify(message) -> None\n"
1298                 "Modify an entry." },
1299         { "add", (PyCFunction)py_ldb_add, METH_VARARGS,
1300                 "S.add(message) -> None\n"
1301                 "Add an entry." },
1302         { "delete", (PyCFunction)py_ldb_delete, METH_VARARGS,
1303                 "S.delete(dn) -> None\n"
1304                 "Remove an entry." },
1305         { "rename", (PyCFunction)py_ldb_rename, METH_VARARGS,
1306                 "S.rename(old_dn, new_dn) -> None\n"
1307                 "Rename an entry." },
1308         { "search", (PyCFunction)py_ldb_search, METH_VARARGS|METH_KEYWORDS,
1309                 "S.search(base=None, scope=None, expression=None, attrs=None, controls=None) -> msgs\n"
1310                 "Search in a database.\n"
1311                 "\n"
1312                 ":param base: Optional base DN to search\n"
1313                 ":param scope: Search scope (SCOPE_BASE, SCOPE_ONELEVEL or SCOPE_SUBTREE)\n"
1314                 ":param expression: Optional search expression\n"
1315                 ":param attrs: Attributes to return (defaults to all)\n"
1316                 ":param controls: Optional list of controls\n"
1317                 ":return: Iterator over Message objects\n"
1318         },
1319         { "schema_attribute_remove", (PyCFunction)py_ldb_schema_attribute_remove, METH_VARARGS,
1320                 NULL },
1321         { "schema_attribute_add", (PyCFunction)py_ldb_schema_attribute_add, METH_VARARGS,
1322                 NULL },
1323         { "schema_format_value", (PyCFunction)py_ldb_schema_format_value, METH_VARARGS,
1324                 NULL },
1325         { "parse_ldif", (PyCFunction)py_ldb_parse_ldif, METH_VARARGS,
1326                 "S.parse_ldif(ldif) -> iter(messages)\n"
1327                 "Parse a string formatted using LDIF." },
1328         { "write_ldif", (PyCFunction)py_ldb_write_ldif, METH_VARARGS,
1329                 "S.write_ldif(message, changetype) -> ldif\n"
1330                 "Print the message as a string formatted using LDIF." },
1331         { "msg_diff", (PyCFunction)py_ldb_msg_diff, METH_VARARGS,
1332                 "S.msg_diff(Message) -> Message\n"
1333                 "Return an LDB Message of the difference between two Message objects." },
1334         { "get_opaque", (PyCFunction)py_ldb_get_opaque, METH_VARARGS,
1335                 "S.get_opaque(name) -> value\n"
1336                 "Get an opaque value set on this LDB connection. \n"
1337                 ":note: The returned value may not be useful in Python."
1338         },
1339         { "set_opaque", (PyCFunction)py_ldb_set_opaque, METH_VARARGS,
1340                 "S.set_opaque(name, value) -> None\n"
1341                 "Set an opaque value on this LDB connection. \n"
1342                 ":note: Passing incorrect values may cause crashes." },
1343         { "modules", (PyCFunction)py_ldb_modules, METH_NOARGS,
1344                 "S.modules() -> list\n"
1345                 "Return the list of modules on this LDB connection " },
1346         { NULL },
1347 };
1348
1349 PyObject *PyLdbModule_FromModule(struct ldb_module *mod)
1350 {
1351         PyLdbModuleObject *ret;
1352
1353         ret = (PyLdbModuleObject *)PyLdbModule.tp_alloc(&PyLdbModule, 0);
1354         if (ret == NULL) {
1355                 PyErr_NoMemory();
1356                 return NULL;
1357         }
1358         ret->mem_ctx = talloc_new(NULL);
1359         ret->mod = talloc_reference(ret->mem_ctx, mod);
1360         return (PyObject *)ret;
1361 }
1362
1363 static PyObject *py_ldb_get_firstmodule(PyLdbObject *self, void *closure)
1364 {
1365         return PyLdbModule_FromModule(PyLdb_AsLdbContext(self)->modules);
1366 }
1367
1368 static PyGetSetDef py_ldb_getset[] = {
1369         { discard_const_p(char, "firstmodule"), (getter)py_ldb_get_firstmodule, NULL, NULL },
1370         { NULL }
1371 };
1372
1373 static int py_ldb_contains(PyLdbObject *self, PyObject *obj)
1374 {
1375         struct ldb_context *ldb_ctx = PyLdb_AsLdbContext(self);
1376         struct ldb_dn *dn;
1377         struct ldb_result *result;
1378         int ret;
1379         int count;
1380
1381         if (!PyObject_AsDn(ldb_ctx, obj, ldb_ctx, &dn))
1382                 return -1;
1383
1384         ret = ldb_search(ldb_ctx, ldb_ctx, &result, dn, LDB_SCOPE_BASE, NULL, NULL);
1385         if (ret != LDB_SUCCESS) {
1386                 PyErr_SetLdbError(PyExc_LdbError, ret, ldb_ctx);
1387                 return -1;
1388         }
1389
1390         count = result->count;
1391
1392         talloc_free(result);
1393
1394         return count;
1395 }
1396
1397 static PySequenceMethods py_ldb_seq = {
1398         .sq_contains = (objobjproc)py_ldb_contains,
1399 };
1400
1401 static PyObject *PyLdb_FromLdbContext(struct ldb_context *ldb_ctx)
1402 {
1403         PyLdbObject *ret;
1404
1405         ret = (PyLdbObject *)PyLdb.tp_alloc(&PyLdb, 0);
1406         if (ret == NULL) {
1407                 PyErr_NoMemory();
1408                 return NULL;
1409         }
1410         ret->mem_ctx = talloc_new(NULL);
1411         ret->ldb_ctx = talloc_reference(ret->mem_ctx, ldb_ctx);
1412         return (PyObject *)ret;
1413 }
1414
1415 static void py_ldb_dealloc(PyLdbObject *self)
1416 {
1417         talloc_free(self->mem_ctx);
1418         self->ob_type->tp_free(self);
1419 }
1420
1421 PyTypeObject PyLdb = {
1422         .tp_name = "ldb.Ldb",
1423         .tp_methods = py_ldb_methods,
1424         .tp_repr = (reprfunc)py_ldb_repr,
1425         .tp_new = py_ldb_new,
1426         .tp_init = (initproc)py_ldb_init,
1427         .tp_dealloc = (destructor)py_ldb_dealloc,
1428         .tp_getset = py_ldb_getset,
1429         .tp_getattro = PyObject_GenericGetAttr,
1430         .tp_basicsize = sizeof(PyLdbObject),
1431         .tp_doc = "Connection to a LDB database.",
1432         .tp_as_sequence = &py_ldb_seq,
1433         .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
1434 };
1435
1436 static PyObject *py_ldb_module_repr(PyLdbModuleObject *self)
1437 {
1438         return PyString_FromFormat("<ldb module '%s'>", PyLdbModule_AsModule(self)->ops->name);
1439 }
1440
1441 static PyObject *py_ldb_module_str(PyLdbModuleObject *self)
1442 {
1443         return PyString_FromString(PyLdbModule_AsModule(self)->ops->name);
1444 }
1445
1446 static PyObject *py_ldb_module_start_transaction(PyLdbModuleObject *self)
1447 {
1448         PyLdbModule_AsModule(self)->ops->start_transaction(PyLdbModule_AsModule(self));
1449         Py_RETURN_NONE;
1450 }
1451
1452 static PyObject *py_ldb_module_end_transaction(PyLdbModuleObject *self)
1453 {
1454         PyLdbModule_AsModule(self)->ops->end_transaction(PyLdbModule_AsModule(self));
1455         Py_RETURN_NONE;
1456 }
1457
1458 static PyObject *py_ldb_module_del_transaction(PyLdbModuleObject *self)
1459 {
1460         PyLdbModule_AsModule(self)->ops->del_transaction(PyLdbModule_AsModule(self));
1461         Py_RETURN_NONE;
1462 }
1463
1464 static PyObject *py_ldb_module_search(PyLdbModuleObject *self, PyObject *args, PyObject *kwargs)
1465 {
1466         PyObject *py_base, *py_tree, *py_attrs, *py_ret;
1467         int ret, scope;
1468         struct ldb_request *req;
1469         const char * const kwnames[] = { "base", "scope", "tree", "attrs", NULL };
1470         struct ldb_module *mod;
1471         const char * const*attrs;
1472
1473         /* type "int" rather than "enum" for "scope" is intentional */
1474         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OiOO",
1475                                          discard_const_p(char *, kwnames),
1476                                          &py_base, &scope, &py_tree, &py_attrs))
1477                 return NULL;
1478
1479         mod = self->mod;
1480
1481         if (py_attrs == Py_None) {
1482                 attrs = NULL;
1483         } else {
1484                 attrs = PyList_AsStringList(NULL, py_attrs, "attrs");
1485                 if (attrs == NULL)
1486                         return NULL;
1487         }
1488
1489         ret = ldb_build_search_req(&req, mod->ldb, NULL, PyLdbDn_AsDn(py_base),
1490                              scope, NULL /* expr */, attrs,
1491                              NULL /* controls */, NULL, NULL, NULL);
1492
1493         talloc_steal(req, attrs);
1494
1495         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1496
1497         req->op.search.res = NULL;
1498
1499         ret = mod->ops->search(mod, req);
1500
1501         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1502
1503         py_ret = PyLdbResult_FromResult(req->op.search.res);
1504
1505         talloc_free(req);
1506
1507         return py_ret;
1508 }
1509
1510
1511 static PyObject *py_ldb_module_add(PyLdbModuleObject *self, PyObject *args)
1512 {
1513         struct ldb_request *req;
1514         PyObject *py_message;
1515         int ret;
1516         struct ldb_module *mod;
1517
1518         if (!PyArg_ParseTuple(args, "O", &py_message))
1519                 return NULL;
1520
1521         req = talloc_zero(NULL, struct ldb_request);
1522         req->operation = LDB_ADD;
1523         req->op.add.message = PyLdbMessage_AsMessage(py_message);
1524
1525         mod = PyLdbModule_AsModule(self);
1526         ret = mod->ops->add(mod, req);
1527
1528         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1529
1530         Py_RETURN_NONE;
1531 }
1532
1533 static PyObject *py_ldb_module_modify(PyLdbModuleObject *self, PyObject *args)
1534 {
1535         int ret;
1536         struct ldb_request *req;
1537         PyObject *py_message;
1538         struct ldb_module *mod;
1539
1540         if (!PyArg_ParseTuple(args, "O", &py_message))
1541                 return NULL;
1542
1543         req = talloc_zero(NULL, struct ldb_request);
1544         req->operation = LDB_MODIFY;
1545         req->op.mod.message = PyLdbMessage_AsMessage(py_message);
1546
1547         mod = PyLdbModule_AsModule(self);
1548         ret = mod->ops->modify(mod, req);
1549
1550         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
1551
1552         Py_RETURN_NONE;
1553 }
1554
1555 static PyObject *py_ldb_module_delete(PyLdbModuleObject *self, PyObject *args)
1556 {
1557         int ret;
1558         struct ldb_request *req;
1559         PyObject *py_dn;
1560
1561         if (!PyArg_ParseTuple(args, "O", &py_dn))
1562                 return NULL;
1563
1564         req = talloc_zero(NULL, struct ldb_request);
1565         req->operation = LDB_DELETE;
1566         req->op.del.dn = PyLdbDn_AsDn(py_dn);
1567
1568         ret = PyLdbModule_AsModule(self)->ops->del(PyLdbModule_AsModule(self), req);
1569
1570         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
1571
1572         Py_RETURN_NONE;
1573 }
1574
1575 static PyObject *py_ldb_module_rename(PyLdbModuleObject *self, PyObject *args)
1576 {
1577         int ret;
1578         struct ldb_request *req;
1579         PyObject *py_dn1, *py_dn2;
1580
1581         if (!PyArg_ParseTuple(args, "OO", &py_dn1, &py_dn2))
1582                 return NULL;
1583
1584         req = talloc_zero(NULL, struct ldb_request);
1585
1586         req->operation = LDB_RENAME;
1587         req->op.rename.olddn = PyLdbDn_AsDn(py_dn1);
1588         req->op.rename.newdn = PyLdbDn_AsDn(py_dn2);
1589
1590         ret = PyLdbModule_AsModule(self)->ops->rename(PyLdbModule_AsModule(self), req);
1591
1592         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
1593
1594         Py_RETURN_NONE;
1595 }
1596
1597 static PyMethodDef py_ldb_module_methods[] = {
1598         { "search", (PyCFunction)py_ldb_module_search, METH_VARARGS|METH_KEYWORDS, NULL },
1599         { "add", (PyCFunction)py_ldb_module_add, METH_VARARGS, NULL },
1600         { "modify", (PyCFunction)py_ldb_module_modify, METH_VARARGS, NULL },
1601         { "rename", (PyCFunction)py_ldb_module_rename, METH_VARARGS, NULL },
1602         { "delete", (PyCFunction)py_ldb_module_delete, METH_VARARGS, NULL },
1603         { "start_transaction", (PyCFunction)py_ldb_module_start_transaction, METH_NOARGS, NULL },
1604         { "end_transaction", (PyCFunction)py_ldb_module_end_transaction, METH_NOARGS, NULL },
1605         { "del_transaction", (PyCFunction)py_ldb_module_del_transaction, METH_NOARGS, NULL },
1606         { NULL },
1607 };
1608
1609 static void py_ldb_module_dealloc(PyLdbModuleObject *self)
1610 {
1611         talloc_free(self->mem_ctx);
1612         self->ob_type->tp_free(self);
1613 }
1614
1615 PyTypeObject PyLdbModule = {
1616         .tp_name = "ldb.LdbModule",
1617         .tp_methods = py_ldb_module_methods,
1618         .tp_repr = (reprfunc)py_ldb_module_repr,
1619         .tp_str = (reprfunc)py_ldb_module_str,
1620         .tp_basicsize = sizeof(PyLdbModuleObject),
1621         .tp_dealloc = (destructor)py_ldb_module_dealloc,
1622         .tp_flags = Py_TPFLAGS_DEFAULT,
1623 };
1624
1625
1626 /**
1627  * Create a ldb_message_element from a Python object.
1628  *
1629  * This will accept any sequence objects that contains strings, or
1630  * a string object.
1631  *
1632  * A reference to set_obj will be borrowed.
1633  *
1634  * @param mem_ctx Memory context
1635  * @param set_obj Python object to convert
1636  * @param flags ldb_message_element flags to set
1637  * @param attr_name Name of the attribute
1638  * @return New ldb_message_element, allocated as child of mem_ctx
1639  */
1640 struct ldb_message_element *PyObject_AsMessageElement(TALLOC_CTX *mem_ctx,
1641                                                                                            PyObject *set_obj, int flags,
1642                                                                                            const char *attr_name)
1643 {
1644         struct ldb_message_element *me;
1645
1646         if (PyLdbMessageElement_Check(set_obj))
1647                 return talloc_reference(mem_ctx,
1648                                                                 PyLdbMessageElement_AsMessageElement(set_obj));
1649
1650         me = talloc(mem_ctx, struct ldb_message_element);
1651
1652         me->name = talloc_strdup(me, attr_name);
1653         me->flags = flags;
1654         if (PyString_Check(set_obj)) {
1655                 me->num_values = 1;
1656                 me->values = talloc_array(me, struct ldb_val, me->num_values);
1657                 me->values[0].length = PyString_Size(set_obj);
1658                 me->values[0].data = talloc_memdup(me,
1659                         (uint8_t *)PyString_AsString(set_obj), me->values[0].length+1);
1660         } else if (PySequence_Check(set_obj)) {
1661                 int i;
1662                 me->num_values = PySequence_Size(set_obj);
1663                 me->values = talloc_array(me, struct ldb_val, me->num_values);
1664                 for (i = 0; i < me->num_values; i++) {
1665                         PyObject *obj = PySequence_GetItem(set_obj, i);
1666
1667                         me->values[i].length = PyString_Size(obj);
1668                         me->values[i].data = talloc_memdup(me,
1669                                 (uint8_t *)PyString_AsString(obj), me->values[i].length+1);
1670                 }
1671         } else {
1672                 talloc_free(me);
1673                 me = NULL;
1674         }
1675
1676         return me;
1677 }
1678
1679
1680 static PyObject *ldb_msg_element_to_set(struct ldb_context *ldb_ctx,
1681                                                                  struct ldb_message_element *me)
1682 {
1683         int i;
1684         PyObject *result;
1685
1686         /* Python << 2.5 doesn't have PySet_New and PySet_Add. */
1687         result = PyList_New(me->num_values);
1688
1689         for (i = 0; i < me->num_values; i++) {
1690                 PyList_SetItem(result, i,
1691                         PyObject_FromLdbValue(ldb_ctx, me, &me->values[i]));
1692         }
1693
1694         return result;
1695 }
1696
1697 static PyObject *py_ldb_msg_element_get(PyLdbMessageElementObject *self, PyObject *args)
1698 {
1699         int i;
1700         if (!PyArg_ParseTuple(args, "i", &i))
1701                 return NULL;
1702         if (i < 0 || i >= PyLdbMessageElement_AsMessageElement(self)->num_values)
1703                 Py_RETURN_NONE;
1704
1705         return PyObject_FromLdbValue(NULL, PyLdbMessageElement_AsMessageElement(self),
1706                                                                  &(PyLdbMessageElement_AsMessageElement(self)->values[i]));
1707 }
1708
1709 static PyObject *py_ldb_msg_element_flags(PyLdbMessageElementObject *self, PyObject *args)
1710 {
1711         struct ldb_message_element *el;
1712
1713         el = PyLdbMessageElement_AsMessageElement(self);
1714         return PyInt_FromLong(el->flags);
1715 }
1716
1717 static PyObject *py_ldb_msg_element_set_flags(PyLdbMessageElementObject *self, PyObject *args)
1718 {
1719         int flags;
1720         struct ldb_message_element *el;
1721         if (!PyArg_ParseTuple(args, "i", &flags))
1722                 return NULL;
1723
1724         el = PyLdbMessageElement_AsMessageElement(self);
1725         el->flags = flags;
1726         Py_RETURN_NONE;
1727 }
1728
1729 static PyMethodDef py_ldb_msg_element_methods[] = {
1730         { "get", (PyCFunction)py_ldb_msg_element_get, METH_VARARGS, NULL },
1731         { "set_flags", (PyCFunction)py_ldb_msg_element_set_flags, METH_VARARGS, NULL },
1732         { "flags", (PyCFunction)py_ldb_msg_element_flags, METH_NOARGS, NULL },
1733         { NULL },
1734 };
1735
1736 static Py_ssize_t py_ldb_msg_element_len(PyLdbMessageElementObject *self)
1737 {
1738         return PyLdbMessageElement_AsMessageElement(self)->num_values;
1739 }
1740
1741 static PyObject *py_ldb_msg_element_find(PyLdbMessageElementObject *self, Py_ssize_t idx)
1742 {
1743         struct ldb_message_element *el = PyLdbMessageElement_AsMessageElement(self);
1744         if (idx < 0 || idx >= el->num_values) {
1745                 PyErr_SetString(PyExc_IndexError, "Out of range");
1746                 return NULL;
1747         }
1748         return PyString_FromStringAndSize((char *)el->values[idx].data, el->values[idx].length);
1749 }
1750
1751 static PySequenceMethods py_ldb_msg_element_seq = {
1752         .sq_length = (lenfunc)py_ldb_msg_element_len,
1753         .sq_item = (ssizeargfunc)py_ldb_msg_element_find,
1754 };
1755
1756 static int py_ldb_msg_element_cmp(PyLdbMessageElementObject *self, PyLdbMessageElementObject *other)
1757 {
1758         return ldb_msg_element_compare(PyLdbMessageElement_AsMessageElement(self),
1759                                                                    PyLdbMessageElement_AsMessageElement(other));
1760 }
1761
1762 static PyObject *py_ldb_msg_element_iter(PyLdbMessageElementObject *self)
1763 {
1764         return PyObject_GetIter(ldb_msg_element_to_set(NULL, PyLdbMessageElement_AsMessageElement(self)));
1765 }
1766
1767 PyObject *PyLdbMessageElement_FromMessageElement(struct ldb_message_element *el, TALLOC_CTX *mem_ctx)
1768 {
1769         PyLdbMessageElementObject *ret;
1770         ret = (PyLdbMessageElementObject *)PyLdbMessageElement.tp_alloc(&PyLdbMessageElement, 0);
1771         if (ret == NULL) {
1772                 PyErr_NoMemory();
1773                 return NULL;
1774         }
1775         ret->mem_ctx = talloc_new(NULL);
1776         if (talloc_reference(ret->mem_ctx, mem_ctx) == NULL) {
1777                 PyErr_NoMemory();
1778                 return NULL;
1779         }
1780         ret->el = el;
1781         return (PyObject *)ret;
1782 }
1783
1784 static PyObject *py_ldb_msg_element_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
1785 {
1786         PyObject *py_elements = NULL;
1787         struct ldb_message_element *el;
1788         int flags = 0;
1789         char *name = NULL;
1790         const char * const kwnames[] = { "elements", "flags", "name", NULL };
1791         PyLdbMessageElementObject *ret;
1792         TALLOC_CTX *mem_ctx;
1793
1794         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|Ois",
1795                                          discard_const_p(char *, kwnames),
1796                                          &py_elements, &flags, &name))
1797                 return NULL;
1798
1799         mem_ctx = talloc_new(NULL);
1800         if (mem_ctx == NULL) {
1801                 PyErr_NoMemory();
1802                 return NULL;
1803         }
1804
1805         el = talloc_zero(mem_ctx, struct ldb_message_element);
1806
1807         if (py_elements != NULL) {
1808                 int i;
1809                 if (PyString_Check(py_elements)) {
1810                         el->num_values = 1;
1811                         el->values = talloc_array(el, struct ldb_val, 1);
1812                         el->values[0].length = PyString_Size(py_elements);
1813                         el->values[0].data = talloc_memdup(el,
1814                                 (uint8_t *)PyString_AsString(py_elements), el->values[0].length+1);
1815                 } else if (PySequence_Check(py_elements)) {
1816                         el->num_values = PySequence_Size(py_elements);
1817                         el->values = talloc_array(el, struct ldb_val, el->num_values);
1818                         for (i = 0; i < el->num_values; i++) {
1819                                 PyObject *item = PySequence_GetItem(py_elements, i);
1820                                 if (!PyString_Check(item)) {
1821                                         PyErr_Format(PyExc_TypeError,
1822                                                         "Expected string as element %d in list",
1823                                                         i);
1824                                         talloc_free(mem_ctx);
1825                                         return NULL;
1826                                 }
1827                                 el->values[i].length = PyString_Size(item);
1828                                 el->values[i].data = talloc_memdup(el,
1829                                         (uint8_t *)PyString_AsString(item), el->values[i].length+1);
1830                         }
1831                 } else {
1832                         PyErr_SetString(PyExc_TypeError,
1833                                         "Expected string or list");
1834                         talloc_free(mem_ctx);
1835                         return NULL;
1836                 }
1837         }
1838
1839         el->flags = flags;
1840         el->name = talloc_strdup(el, name);
1841
1842         ret = (PyLdbMessageElementObject *)PyLdbMessageElement.tp_alloc(&PyLdbMessageElement, 0);
1843         if (ret == NULL) {
1844                 PyErr_NoMemory();
1845                 talloc_free(mem_ctx);
1846                 return NULL;
1847         }
1848
1849         ret->mem_ctx = mem_ctx;
1850         ret->el = el;
1851         return (PyObject *)ret;
1852 }
1853
1854 static PyObject *py_ldb_msg_element_repr(PyLdbMessageElementObject *self)
1855 {
1856         char *element_str = NULL;
1857         int i;
1858         struct ldb_message_element *el = PyLdbMessageElement_AsMessageElement(self);
1859         PyObject *ret;
1860
1861         for (i = 0; i < el->num_values; i++) {
1862                 PyObject *o = py_ldb_msg_element_find(self, i);
1863                 if (element_str == NULL)
1864                         element_str = talloc_strdup(NULL, PyObject_REPR(o));
1865                 else
1866                         element_str = talloc_asprintf_append(element_str, ",%s", PyObject_REPR(o));
1867         }
1868
1869         if (element_str != NULL) {
1870                 ret = PyString_FromFormat("MessageElement([%s])", element_str);
1871                 talloc_free(element_str);
1872         } else {
1873                 ret = PyString_FromString("MessageElement([])");
1874         }
1875
1876         return ret;
1877 }
1878
1879 static PyObject *py_ldb_msg_element_str(PyLdbMessageElementObject *self)
1880 {
1881         struct ldb_message_element *el = PyLdbMessageElement_AsMessageElement(self);
1882
1883         if (el->num_values == 1)
1884                 return PyString_FromStringAndSize((char *)el->values[0].data, el->values[0].length);
1885         else
1886                 Py_RETURN_NONE;
1887 }
1888
1889 static void py_ldb_msg_element_dealloc(PyLdbMessageElementObject *self)
1890 {
1891         talloc_free(self->mem_ctx);
1892         self->ob_type->tp_free(self);
1893 }
1894
1895 PyTypeObject PyLdbMessageElement = {
1896         .tp_name = "ldb.MessageElement",
1897         .tp_basicsize = sizeof(PyLdbMessageElementObject),
1898         .tp_dealloc = (destructor)py_ldb_msg_element_dealloc,
1899         .tp_repr = (reprfunc)py_ldb_msg_element_repr,
1900         .tp_str = (reprfunc)py_ldb_msg_element_str,
1901         .tp_methods = py_ldb_msg_element_methods,
1902         .tp_compare = (cmpfunc)py_ldb_msg_element_cmp,
1903         .tp_iter = (getiterfunc)py_ldb_msg_element_iter,
1904         .tp_as_sequence = &py_ldb_msg_element_seq,
1905         .tp_new = py_ldb_msg_element_new,
1906         .tp_flags = Py_TPFLAGS_DEFAULT,
1907 };
1908
1909 static PyObject *py_ldb_msg_remove_attr(PyLdbMessageObject *self, PyObject *args)
1910 {
1911         char *name;
1912         if (!PyArg_ParseTuple(args, "s", &name))
1913                 return NULL;
1914
1915         ldb_msg_remove_attr(self->msg, name);
1916
1917         Py_RETURN_NONE;
1918 }
1919
1920 static PyObject *py_ldb_msg_keys(PyLdbMessageObject *self)
1921 {
1922         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
1923         int i, j = 0;
1924         PyObject *obj = PyList_New(msg->num_elements+(msg->dn != NULL?1:0));
1925         if (msg->dn != NULL) {
1926                 PyList_SetItem(obj, j, PyString_FromString("dn"));
1927                 j++;
1928         }
1929         for (i = 0; i < msg->num_elements; i++) {
1930                 PyList_SetItem(obj, j, PyString_FromString(msg->elements[i].name));
1931                 j++;
1932         }
1933         return obj;
1934 }
1935
1936 static PyObject *py_ldb_msg_getitem_helper(PyLdbMessageObject *self, PyObject *py_name)
1937 {
1938         struct ldb_message_element *el;
1939         char *name;
1940         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
1941         if (!PyString_Check(py_name)) {
1942                 PyErr_SetNone(PyExc_TypeError);
1943                 return NULL;
1944         }
1945         name = PyString_AsString(py_name);
1946         if (!strcmp(name, "dn"))
1947                 return PyLdbDn_FromDn(msg->dn);
1948         el = ldb_msg_find_element(msg, name);
1949         if (el == NULL) {
1950                 return NULL;
1951         }
1952         return (PyObject *)PyLdbMessageElement_FromMessageElement(el, msg);
1953 }
1954
1955 static PyObject *py_ldb_msg_getitem(PyLdbMessageObject *self, PyObject *py_name)
1956 {
1957         PyObject *ret = py_ldb_msg_getitem_helper(self, py_name);
1958         if (ret == NULL) {
1959                 PyErr_SetString(PyExc_KeyError, "No such element");
1960                 return NULL;
1961         }
1962         return ret;
1963 }
1964
1965 static PyObject *py_ldb_msg_get(PyLdbMessageObject *self, PyObject *args)
1966 {
1967         PyObject *name, *ret;
1968         if (!PyArg_ParseTuple(args, "O", &name))
1969                 return NULL;
1970
1971         ret = py_ldb_msg_getitem_helper(self, name);
1972         if (ret == NULL) {
1973                 if (PyErr_Occurred())
1974                         return NULL;
1975                 Py_RETURN_NONE;
1976         }
1977         return ret;
1978 }
1979
1980 static PyObject *py_ldb_msg_items(PyLdbMessageObject *self)
1981 {
1982         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
1983         int i, j;
1984         PyObject *l = PyList_New(msg->num_elements + (msg->dn == NULL?0:1));
1985         j = 0;
1986         if (msg->dn != NULL) {
1987                 PyList_SetItem(l, 0, Py_BuildValue("(sO)", "dn", PyLdbDn_FromDn(msg->dn)));
1988                 j++;
1989         }
1990         for (i = 0; i < msg->num_elements; i++, j++) {
1991                 PyList_SetItem(l, j, Py_BuildValue("(sO)", msg->elements[i].name, PyLdbMessageElement_FromMessageElement(&msg->elements[i], self->msg)));
1992         }
1993         return l;
1994 }
1995
1996 static PyMethodDef py_ldb_msg_methods[] = {
1997         { "keys", (PyCFunction)py_ldb_msg_keys, METH_NOARGS, NULL },
1998         { "remove", (PyCFunction)py_ldb_msg_remove_attr, METH_VARARGS, NULL },
1999         { "get", (PyCFunction)py_ldb_msg_get, METH_VARARGS, NULL },
2000         { "items", (PyCFunction)py_ldb_msg_items, METH_NOARGS, NULL },
2001         { NULL },
2002 };
2003
2004 static PyObject *py_ldb_msg_iter(PyLdbMessageObject *self)
2005 {
2006         PyObject *list, *iter;
2007
2008         list = py_ldb_msg_keys(self);
2009         iter = PyObject_GetIter(list);
2010         Py_DECREF(list);
2011         return iter;
2012 }
2013
2014 static int py_ldb_msg_setitem(PyLdbMessageObject *self, PyObject *name, PyObject *value)
2015 {
2016         char *attr_name;
2017
2018         if (!PyString_Check(name)) {
2019                 PyErr_SetNone(PyExc_TypeError);
2020                 return -1;
2021         }
2022
2023         attr_name = PyString_AsString(name);
2024         if (value == NULL) {
2025                 /* delitem */
2026                 ldb_msg_remove_attr(self->msg, attr_name);
2027         } else {
2028                 struct ldb_message_element *el = PyObject_AsMessageElement(self->msg,
2029                                                                                         value, 0, attr_name);
2030                 if (el == NULL)
2031                         return -1;
2032                 ldb_msg_remove_attr(PyLdbMessage_AsMessage(self), attr_name);
2033                 ldb_msg_add(PyLdbMessage_AsMessage(self), el, el->flags);
2034         }
2035         return 0;
2036 }
2037
2038 static Py_ssize_t py_ldb_msg_length(PyLdbMessageObject *self)
2039 {
2040         return PyLdbMessage_AsMessage(self)->num_elements;
2041 }
2042
2043 static PyMappingMethods py_ldb_msg_mapping = {
2044         .mp_length = (lenfunc)py_ldb_msg_length,
2045         .mp_subscript = (binaryfunc)py_ldb_msg_getitem,
2046         .mp_ass_subscript = (objobjargproc)py_ldb_msg_setitem,
2047 };
2048
2049 static PyObject *py_ldb_msg_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
2050 {
2051         const char * const kwnames[] = { "dn", NULL };
2052         struct ldb_message *ret;
2053         TALLOC_CTX *mem_ctx;
2054         PyObject *pydn = NULL;
2055         PyLdbMessageObject *py_ret;
2056
2057         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O",
2058                                          discard_const_p(char *, kwnames),
2059                                          &pydn))
2060                 return NULL;
2061
2062         mem_ctx = talloc_new(NULL);
2063         if (mem_ctx == NULL) {
2064                 PyErr_NoMemory();
2065                 return NULL;
2066         }
2067
2068         ret = ldb_msg_new(mem_ctx);
2069         if (ret == NULL) {
2070                 talloc_free(mem_ctx);
2071                 PyErr_NoMemory();
2072                 return NULL;
2073         }
2074
2075         if (pydn != NULL) {
2076                 struct ldb_dn *dn;
2077                 if (!PyObject_AsDn(NULL, pydn, NULL, &dn)) {
2078                         talloc_free(mem_ctx);
2079                         return NULL;
2080                 }
2081                 ret->dn = talloc_reference(ret, dn);
2082         }
2083
2084         py_ret = (PyLdbMessageObject *)type->tp_alloc(type, 0);
2085         if (py_ret == NULL) {
2086                 PyErr_NoMemory();
2087                 talloc_free(mem_ctx);
2088                 return NULL;
2089         }
2090
2091         py_ret->mem_ctx = mem_ctx;
2092         py_ret->msg = ret;
2093         return (PyObject *)py_ret;
2094 }
2095
2096 PyObject *PyLdbMessage_FromMessage(struct ldb_message *msg)
2097 {
2098         PyLdbMessageObject *ret;
2099
2100         ret = (PyLdbMessageObject *)PyLdbMessage.tp_alloc(&PyLdbMessage, 0);
2101         if (ret == NULL) {
2102                 PyErr_NoMemory();
2103                 return NULL;
2104         }
2105         ret->mem_ctx = talloc_new(NULL);
2106         ret->msg = talloc_reference(ret->mem_ctx, msg);
2107         return (PyObject *)ret;
2108 }
2109
2110 static PyObject *py_ldb_msg_get_dn(PyLdbMessageObject *self, void *closure)
2111 {
2112         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
2113         return PyLdbDn_FromDn(msg->dn);
2114 }
2115
2116 static int py_ldb_msg_set_dn(PyLdbMessageObject *self, PyObject *value, void *closure)
2117 {
2118         struct ldb_message *msg = PyLdbMessage_AsMessage(self);
2119         if (!PyLdbDn_Check(value)) {
2120                 PyErr_SetNone(PyExc_TypeError);
2121                 return -1;
2122         }
2123
2124         msg->dn = talloc_reference(msg, PyLdbDn_AsDn(value));
2125         return 0;
2126 }
2127
2128 static PyGetSetDef py_ldb_msg_getset[] = {
2129         { discard_const_p(char, "dn"), (getter)py_ldb_msg_get_dn, (setter)py_ldb_msg_set_dn, NULL },
2130         { NULL }
2131 };
2132
2133 static PyObject *py_ldb_msg_repr(PyLdbMessageObject *self)
2134 {
2135         PyObject *dict = PyDict_New(), *ret;
2136         if (PyDict_Update(dict, (PyObject *)self) != 0)
2137                 return NULL;
2138         ret = PyString_FromFormat("Message(%s)", PyObject_REPR(dict));
2139         Py_DECREF(dict);
2140         return ret;
2141 }
2142
2143 static void py_ldb_msg_dealloc(PyLdbMessageObject *self)
2144 {
2145         talloc_free(self->mem_ctx);
2146         self->ob_type->tp_free(self);
2147 }
2148
2149 static int py_ldb_msg_compare(PyLdbMessageObject *py_msg1,
2150                               PyLdbMessageObject *py_msg2)
2151 {
2152         struct ldb_message *msg1 = PyLdbMessage_AsMessage(py_msg1),
2153                            *msg2 = PyLdbMessage_AsMessage(py_msg2);
2154         unsigned int i;
2155         int ret;
2156
2157         if ((msg1->dn != NULL) || (msg2->dn != NULL)) {
2158                 ret = ldb_dn_compare(msg1->dn, msg2->dn);
2159                 if (ret != 0) {
2160                         return ret;
2161                 }
2162         }
2163
2164         ret = msg1->num_elements - msg2->num_elements;
2165         if (ret != 0) {
2166                 return ret;
2167         }
2168
2169         for (i = 0; i < msg1->num_elements; i++) {
2170                 ret = ldb_msg_element_compare_name(&msg1->elements[i],
2171                                                    &msg2->elements[i]);
2172                 if (ret != 0) {
2173                         return ret;
2174                 }
2175
2176                 ret = ldb_msg_element_compare(&msg1->elements[i],
2177                                               &msg2->elements[i]);
2178                 if (ret != 0) {
2179                         return ret;
2180                 }
2181         }
2182
2183         return 0;
2184 }
2185
2186 PyTypeObject PyLdbMessage = {
2187         .tp_name = "ldb.Message",
2188         .tp_methods = py_ldb_msg_methods,
2189         .tp_getset = py_ldb_msg_getset,
2190         .tp_as_mapping = &py_ldb_msg_mapping,
2191         .tp_basicsize = sizeof(PyLdbMessageObject),
2192         .tp_dealloc = (destructor)py_ldb_msg_dealloc,
2193         .tp_new = py_ldb_msg_new,
2194         .tp_repr = (reprfunc)py_ldb_msg_repr,
2195         .tp_flags = Py_TPFLAGS_DEFAULT,
2196         .tp_iter = (getiterfunc)py_ldb_msg_iter,
2197         .tp_compare = (cmpfunc)py_ldb_msg_compare,
2198 };
2199
2200 PyObject *PyLdbTree_FromTree(struct ldb_parse_tree *tree)
2201 {
2202         PyLdbTreeObject *ret;
2203
2204         ret = (PyLdbTreeObject *)PyLdbTree.tp_alloc(&PyLdbTree, 0);
2205         if (ret == NULL) {
2206                 PyErr_NoMemory();
2207                 return NULL;
2208         }
2209
2210         ret->mem_ctx = talloc_new(NULL);
2211         ret->tree = talloc_reference(ret->mem_ctx, tree);
2212         return (PyObject *)ret;
2213 }
2214
2215 static void py_ldb_tree_dealloc(PyLdbTreeObject *self)
2216 {
2217         talloc_free(self->mem_ctx);
2218         self->ob_type->tp_free(self);
2219 }
2220
2221 PyTypeObject PyLdbTree = {
2222         .tp_name = "ldb.Tree",
2223         .tp_basicsize = sizeof(PyLdbTreeObject),
2224         .tp_dealloc = (destructor)py_ldb_tree_dealloc,
2225         .tp_flags = Py_TPFLAGS_DEFAULT,
2226 };
2227
2228 /* Ldb_module */
2229 static int py_module_search(struct ldb_module *mod, struct ldb_request *req)
2230 {
2231         PyObject *py_ldb = (PyObject *)mod->private_data;
2232         PyObject *py_result, *py_base, *py_attrs, *py_tree;
2233
2234         py_base = PyLdbDn_FromDn(req->op.search.base);
2235
2236         if (py_base == NULL)
2237                 return LDB_ERR_OPERATIONS_ERROR;
2238
2239         py_tree = PyLdbTree_FromTree(req->op.search.tree);
2240
2241         if (py_tree == NULL)
2242                 return LDB_ERR_OPERATIONS_ERROR;
2243
2244         if (req->op.search.attrs == NULL) {
2245                 py_attrs = Py_None;
2246         } else {
2247                 int i, len;
2248                 for (len = 0; req->op.search.attrs[len]; len++);
2249                 py_attrs = PyList_New(len);
2250                 for (i = 0; i < len; i++)
2251                         PyList_SetItem(py_attrs, i, PyString_FromString(req->op.search.attrs[i]));
2252         }
2253
2254         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "search"),
2255                                         discard_const_p(char, "OiOO"),
2256                                         py_base, req->op.search.scope, py_tree, py_attrs);
2257
2258         Py_DECREF(py_attrs);
2259         Py_DECREF(py_tree);
2260         Py_DECREF(py_base);
2261
2262         if (py_result == NULL) {
2263                 return LDB_ERR_PYTHON_EXCEPTION;
2264         }
2265
2266         req->op.search.res = PyLdbResult_AsResult(NULL, py_result);
2267         if (req->op.search.res == NULL) {
2268                 return LDB_ERR_PYTHON_EXCEPTION;
2269         }
2270
2271         Py_DECREF(py_result);
2272
2273         return LDB_SUCCESS;
2274 }
2275
2276 static int py_module_add(struct ldb_module *mod, struct ldb_request *req)
2277 {
2278         PyObject *py_ldb = (PyObject *)mod->private_data;
2279         PyObject *py_result, *py_msg;
2280
2281         py_msg = PyLdbMessage_FromMessage(discard_const_p(struct ldb_message, req->op.add.message));
2282
2283         if (py_msg == NULL) {
2284                 return LDB_ERR_OPERATIONS_ERROR;
2285         }
2286
2287         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "add"),
2288                                         discard_const_p(char, "O"),
2289                                         py_msg);
2290
2291         Py_DECREF(py_msg);
2292
2293         if (py_result == NULL) {
2294                 return LDB_ERR_PYTHON_EXCEPTION;
2295         }
2296
2297         Py_DECREF(py_result);
2298
2299         return LDB_SUCCESS;
2300 }
2301
2302 static int py_module_modify(struct ldb_module *mod, struct ldb_request *req)
2303 {
2304         PyObject *py_ldb = (PyObject *)mod->private_data;
2305         PyObject *py_result, *py_msg;
2306
2307         py_msg = PyLdbMessage_FromMessage(discard_const_p(struct ldb_message, req->op.mod.message));
2308
2309         if (py_msg == NULL) {
2310                 return LDB_ERR_OPERATIONS_ERROR;
2311         }
2312
2313         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "modify"),
2314                                         discard_const_p(char, "O"),
2315                                         py_msg);
2316
2317         Py_DECREF(py_msg);
2318
2319         if (py_result == NULL) {
2320                 return LDB_ERR_PYTHON_EXCEPTION;
2321         }
2322
2323         Py_DECREF(py_result);
2324
2325         return LDB_SUCCESS;
2326 }
2327
2328 static int py_module_del(struct ldb_module *mod, struct ldb_request *req)
2329 {
2330         PyObject *py_ldb = (PyObject *)mod->private_data;
2331         PyObject *py_result, *py_dn;
2332
2333         py_dn = PyLdbDn_FromDn(req->op.del.dn);
2334
2335         if (py_dn == NULL)
2336                 return LDB_ERR_OPERATIONS_ERROR;
2337
2338         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "delete"),
2339                                         discard_const_p(char, "O"),
2340                                         py_dn);
2341
2342         if (py_result == NULL) {
2343                 return LDB_ERR_PYTHON_EXCEPTION;
2344         }
2345
2346         Py_DECREF(py_result);
2347
2348         return LDB_SUCCESS;
2349 }
2350
2351 static int py_module_rename(struct ldb_module *mod, struct ldb_request *req)
2352 {
2353         PyObject *py_ldb = (PyObject *)mod->private_data;
2354         PyObject *py_result, *py_olddn, *py_newdn;
2355
2356         py_olddn = PyLdbDn_FromDn(req->op.rename.olddn);
2357
2358         if (py_olddn == NULL)
2359                 return LDB_ERR_OPERATIONS_ERROR;
2360
2361         py_newdn = PyLdbDn_FromDn(req->op.rename.newdn);
2362
2363         if (py_newdn == NULL)
2364                 return LDB_ERR_OPERATIONS_ERROR;
2365
2366         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "rename"),
2367                                         discard_const_p(char, "OO"),
2368                                         py_olddn, py_newdn);
2369
2370         Py_DECREF(py_olddn);
2371         Py_DECREF(py_newdn);
2372
2373         if (py_result == NULL) {
2374                 return LDB_ERR_PYTHON_EXCEPTION;
2375         }
2376
2377         Py_DECREF(py_result);
2378
2379         return LDB_SUCCESS;
2380 }
2381
2382 static int py_module_request(struct ldb_module *mod, struct ldb_request *req)
2383 {
2384         PyObject *py_ldb = (PyObject *)mod->private_data;
2385         PyObject *py_result;
2386
2387         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "request"),
2388                                         discard_const_p(char, ""));
2389
2390         return LDB_ERR_OPERATIONS_ERROR;
2391 }
2392
2393 static int py_module_extended(struct ldb_module *mod, struct ldb_request *req)
2394 {
2395         PyObject *py_ldb = (PyObject *)mod->private_data;
2396         PyObject *py_result;
2397
2398         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "extended"),
2399                                         discard_const_p(char, ""));
2400
2401         return LDB_ERR_OPERATIONS_ERROR;
2402 }
2403
2404 static int py_module_start_transaction(struct ldb_module *mod)
2405 {
2406         PyObject *py_ldb = (PyObject *)mod->private_data;
2407         PyObject *py_result;
2408
2409         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "start_transaction"),
2410                                         discard_const_p(char, ""));
2411
2412         if (py_result == NULL) {
2413                 return LDB_ERR_PYTHON_EXCEPTION;
2414         }
2415
2416         Py_DECREF(py_result);
2417
2418         return LDB_SUCCESS;
2419 }
2420
2421 static int py_module_end_transaction(struct ldb_module *mod)
2422 {
2423         PyObject *py_ldb = (PyObject *)mod->private_data;
2424         PyObject *py_result;
2425
2426         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "end_transaction"),
2427                                         discard_const_p(char, ""));
2428
2429         if (py_result == NULL) {
2430                 return LDB_ERR_PYTHON_EXCEPTION;
2431         }
2432
2433         Py_DECREF(py_result);
2434
2435         return LDB_SUCCESS;
2436 }
2437
2438 static int py_module_del_transaction(struct ldb_module *mod)
2439 {
2440         PyObject *py_ldb = (PyObject *)mod->private_data;
2441         PyObject *py_result;
2442
2443         py_result = PyObject_CallMethod(py_ldb, discard_const_p(char, "del_transaction"),
2444                                         discard_const_p(char, ""));
2445
2446         if (py_result == NULL) {
2447                 return LDB_ERR_PYTHON_EXCEPTION;
2448         }
2449
2450         Py_DECREF(py_result);
2451
2452         return LDB_SUCCESS;
2453 }
2454
2455 static int py_module_destructor(struct ldb_module *mod)
2456 {
2457         Py_DECREF((PyObject *)mod->private_data);
2458         return 0;
2459 }
2460
2461 static int py_module_init(struct ldb_module *mod)
2462 {
2463         PyObject *py_class = (PyObject *)mod->ops->private_data;
2464         PyObject *py_result, *py_next, *py_ldb;
2465
2466         py_ldb = PyLdb_FromLdbContext(mod->ldb);
2467
2468         if (py_ldb == NULL)
2469                 return LDB_ERR_OPERATIONS_ERROR;
2470
2471         py_next = PyLdbModule_FromModule(mod->next);
2472
2473         if (py_next == NULL)
2474                 return LDB_ERR_OPERATIONS_ERROR;
2475
2476         py_result = PyObject_CallFunction(py_class, discard_const_p(char, "OO"),
2477                                           py_ldb, py_next);
2478
2479         if (py_result == NULL) {
2480                 return LDB_ERR_PYTHON_EXCEPTION;
2481         }
2482
2483         mod->private_data = py_result;
2484
2485         talloc_set_destructor(mod, py_module_destructor);
2486
2487         return ldb_next_init(mod);
2488 }
2489
2490 static PyObject *py_register_module(PyObject *module, PyObject *args)
2491 {
2492         int ret;
2493         struct ldb_module_ops *ops;
2494         PyObject *input;
2495
2496         if (!PyArg_ParseTuple(args, "O", &input))
2497                 return NULL;
2498
2499         ops = talloc_zero(talloc_autofree_context(), struct ldb_module_ops);
2500         if (ops == NULL) {
2501                 PyErr_NoMemory();
2502                 return NULL;
2503         }
2504
2505         ops->name = talloc_strdup(ops, PyString_AsString(PyObject_GetAttrString(input, discard_const_p(char, "name"))));
2506
2507         Py_INCREF(input);
2508         ops->private_data = input;
2509         ops->init_context = py_module_init;
2510         ops->search = py_module_search;
2511         ops->add = py_module_add;
2512         ops->modify = py_module_modify;
2513         ops->del = py_module_del;
2514         ops->rename = py_module_rename;
2515         ops->request = py_module_request;
2516         ops->extended = py_module_extended;
2517         ops->start_transaction = py_module_start_transaction;
2518         ops->end_transaction = py_module_end_transaction;
2519         ops->del_transaction = py_module_del_transaction;
2520
2521         ret = ldb_register_module(ops);
2522
2523         PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
2524
2525         Py_RETURN_NONE;
2526 }
2527
2528 static PyObject *py_timestring(PyObject *module, PyObject *args)
2529 {
2530         time_t t;
2531         unsigned long val;
2532         char *tresult;
2533         PyObject *ret;
2534         if (!PyArg_ParseTuple(args, "l", &val))
2535                 return NULL;
2536         t = (time_t)val;
2537         tresult = ldb_timestring(NULL, t);
2538         ret = PyString_FromString(tresult);
2539         talloc_free(tresult);
2540         return ret;
2541 }
2542
2543 static PyObject *py_string_to_time(PyObject *module, PyObject *args)
2544 {
2545         char *str;
2546         if (!PyArg_ParseTuple(args, "s", &str))
2547                 return NULL;
2548
2549         return PyInt_FromLong(ldb_string_to_time(str));
2550 }
2551
2552 static PyObject *py_valid_attr_name(PyObject *self, PyObject *args)
2553 {
2554         char *name;
2555         if (!PyArg_ParseTuple(args, "s", &name))
2556                 return NULL;
2557         return PyBool_FromLong(ldb_valid_attr_name(name));
2558 }
2559
2560 static PyMethodDef py_ldb_global_methods[] = {
2561         { "register_module", py_register_module, METH_VARARGS,
2562                 "S.register_module(module) -> None\n"
2563                 "Register a LDB module."},
2564         { "timestring", py_timestring, METH_VARARGS,
2565                 "S.timestring(int) -> string\n"
2566                 "Generate a LDAP time string from a UNIX timestamp" },
2567         { "string_to_time", py_string_to_time, METH_VARARGS,
2568                 "S.string_to_time(string) -> int\n"
2569                 "Parse a LDAP time string into a UNIX timestamp." },
2570         { "valid_attr_name", py_valid_attr_name, METH_VARARGS,
2571                 "S.valid_attr_name(name) -> bool\n"
2572                 "Check whether the supplied name is a valid attribute name." },
2573         { "open", (PyCFunction)py_ldb_new, METH_VARARGS|METH_KEYWORDS,
2574                 NULL },
2575         { NULL }
2576 };
2577
2578 void initldb(void)
2579 {
2580         PyObject *m;
2581
2582         if (PyType_Ready(&PyLdbDn) < 0)
2583                 return;
2584
2585         if (PyType_Ready(&PyLdbMessage) < 0)
2586                 return;
2587
2588         if (PyType_Ready(&PyLdbMessageElement) < 0)
2589                 return;
2590
2591         if (PyType_Ready(&PyLdb) < 0)
2592                 return;
2593
2594         if (PyType_Ready(&PyLdbModule) < 0)
2595                 return;
2596
2597         if (PyType_Ready(&PyLdbTree) < 0)
2598                 return;
2599
2600         m = Py_InitModule3("ldb", py_ldb_global_methods,
2601                 "An interface to LDB, a LDAP-like API that can either to talk an embedded database (TDB-based) or a standards-compliant LDAP server.");
2602         if (m == NULL)
2603                 return;
2604
2605         PyModule_AddObject(m, "SCOPE_DEFAULT", PyInt_FromLong(LDB_SCOPE_DEFAULT));
2606         PyModule_AddObject(m, "SCOPE_BASE", PyInt_FromLong(LDB_SCOPE_BASE));
2607         PyModule_AddObject(m, "SCOPE_ONELEVEL", PyInt_FromLong(LDB_SCOPE_ONELEVEL));
2608         PyModule_AddObject(m, "SCOPE_SUBTREE", PyInt_FromLong(LDB_SCOPE_SUBTREE));
2609
2610         PyModule_AddObject(m, "CHANGETYPE_NONE", PyInt_FromLong(LDB_CHANGETYPE_NONE));
2611         PyModule_AddObject(m, "CHANGETYPE_ADD", PyInt_FromLong(LDB_CHANGETYPE_ADD));
2612         PyModule_AddObject(m, "CHANGETYPE_DELETE", PyInt_FromLong(LDB_CHANGETYPE_DELETE));
2613         PyModule_AddObject(m, "CHANGETYPE_MODIFY", PyInt_FromLong(LDB_CHANGETYPE_MODIFY));
2614
2615         PyModule_AddObject(m, "FLAG_MOD_ADD", PyInt_FromLong(LDB_FLAG_MOD_ADD));
2616         PyModule_AddObject(m, "FLAG_MOD_REPLACE", PyInt_FromLong(LDB_FLAG_MOD_REPLACE));
2617         PyModule_AddObject(m, "FLAG_MOD_DELETE", PyInt_FromLong(LDB_FLAG_MOD_DELETE));
2618
2619         PyModule_AddObject(m, "SUCCESS", PyInt_FromLong(LDB_SUCCESS));
2620         PyModule_AddObject(m, "ERR_OPERATIONS_ERROR", PyInt_FromLong(LDB_ERR_OPERATIONS_ERROR));
2621         PyModule_AddObject(m, "ERR_PROTOCOL_ERROR", PyInt_FromLong(LDB_ERR_PROTOCOL_ERROR));
2622         PyModule_AddObject(m, "ERR_TIME_LIMIT_EXCEEDED", PyInt_FromLong(LDB_ERR_TIME_LIMIT_EXCEEDED));
2623         PyModule_AddObject(m, "ERR_SIZE_LIMIT_EXCEEDED", PyInt_FromLong(LDB_ERR_SIZE_LIMIT_EXCEEDED));
2624         PyModule_AddObject(m, "ERR_COMPARE_FALSE", PyInt_FromLong(LDB_ERR_COMPARE_FALSE));
2625         PyModule_AddObject(m, "ERR_COMPARE_TRUE", PyInt_FromLong(LDB_ERR_COMPARE_TRUE));
2626         PyModule_AddObject(m, "ERR_AUTH_METHOD_NOT_SUPPORTED", PyInt_FromLong(LDB_ERR_AUTH_METHOD_NOT_SUPPORTED));
2627         PyModule_AddObject(m, "ERR_STRONG_AUTH_REQUIRED", PyInt_FromLong(LDB_ERR_STRONG_AUTH_REQUIRED));
2628         PyModule_AddObject(m, "ERR_REFERRAL", PyInt_FromLong(LDB_ERR_REFERRAL));
2629         PyModule_AddObject(m, "ERR_ADMIN_LIMIT_EXCEEDED", PyInt_FromLong(LDB_ERR_ADMIN_LIMIT_EXCEEDED));
2630         PyModule_AddObject(m, "ERR_UNSUPPORTED_CRITICAL_EXTENSION", PyInt_FromLong(LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION));
2631         PyModule_AddObject(m, "ERR_CONFIDENTIALITY_REQUIRED", PyInt_FromLong(LDB_ERR_CONFIDENTIALITY_REQUIRED));
2632         PyModule_AddObject(m, "ERR_SASL_BIND_IN_PROGRESS", PyInt_FromLong(LDB_ERR_SASL_BIND_IN_PROGRESS));
2633         PyModule_AddObject(m, "ERR_NO_SUCH_ATTRIBUTE", PyInt_FromLong(LDB_ERR_NO_SUCH_ATTRIBUTE));
2634         PyModule_AddObject(m, "ERR_UNDEFINED_ATTRIBUTE_TYPE", PyInt_FromLong(LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE));
2635         PyModule_AddObject(m, "ERR_INAPPROPRIATE_MATCHING", PyInt_FromLong(LDB_ERR_INAPPROPRIATE_MATCHING));
2636         PyModule_AddObject(m, "ERR_CONSTRAINT_VIOLATION", PyInt_FromLong(LDB_ERR_CONSTRAINT_VIOLATION));
2637         PyModule_AddObject(m, "ERR_ATTRIBUTE_OR_VALUE_EXISTS", PyInt_FromLong(LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS));
2638         PyModule_AddObject(m, "ERR_INVALID_ATTRIBUTE_SYNTAX", PyInt_FromLong(LDB_ERR_INVALID_ATTRIBUTE_SYNTAX));
2639         PyModule_AddObject(m, "ERR_NO_SUCH_OBJECT", PyInt_FromLong(LDB_ERR_NO_SUCH_OBJECT));
2640         PyModule_AddObject(m, "ERR_ALIAS_PROBLEM", PyInt_FromLong(LDB_ERR_ALIAS_PROBLEM));
2641         PyModule_AddObject(m, "ERR_INVALID_DN_SYNTAX", PyInt_FromLong(LDB_ERR_INVALID_DN_SYNTAX));
2642         PyModule_AddObject(m, "ERR_ALIAS_DEREFERINCING_PROBLEM", PyInt_FromLong(LDB_ERR_ALIAS_DEREFERENCING_PROBLEM));
2643         PyModule_AddObject(m, "ERR_INAPPROPRIATE_AUTHENTICATION", PyInt_FromLong(LDB_ERR_INAPPROPRIATE_AUTHENTICATION));
2644         PyModule_AddObject(m, "ERR_INVALID_CREDENTIALS", PyInt_FromLong(LDB_ERR_INVALID_CREDENTIALS));
2645         PyModule_AddObject(m, "ERR_INSUFFICIENT_ACCESS_RIGHTS", PyInt_FromLong(LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS));
2646         PyModule_AddObject(m, "ERR_BUSY", PyInt_FromLong(LDB_ERR_BUSY));
2647         PyModule_AddObject(m, "ERR_UNAVAILABLE", PyInt_FromLong(LDB_ERR_UNAVAILABLE));
2648         PyModule_AddObject(m, "ERR_UNWILLING_TO_PERFORM", PyInt_FromLong(LDB_ERR_UNWILLING_TO_PERFORM));
2649         PyModule_AddObject(m, "ERR_LOOP_DETECT", PyInt_FromLong(LDB_ERR_LOOP_DETECT));
2650         PyModule_AddObject(m, "ERR_NAMING_VIOLATION", PyInt_FromLong(LDB_ERR_NAMING_VIOLATION));
2651         PyModule_AddObject(m, "ERR_OBJECT_CLASS_VIOLATION", PyInt_FromLong(LDB_ERR_OBJECT_CLASS_VIOLATION));
2652         PyModule_AddObject(m, "ERR_NOT_ALLOWED_ON_NON_LEAF", PyInt_FromLong(LDB_ERR_NOT_ALLOWED_ON_NON_LEAF));
2653         PyModule_AddObject(m, "ERR_NOT_ALLOWED_ON_RDN", PyInt_FromLong(LDB_ERR_NOT_ALLOWED_ON_RDN));
2654         PyModule_AddObject(m, "ERR_ENTRY_ALREADY_EXISTS", PyInt_FromLong(LDB_ERR_ENTRY_ALREADY_EXISTS));
2655         PyModule_AddObject(m, "ERR_OBJECT_CLASS_MODS_PROHIBITED", PyInt_FromLong(LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED));
2656         PyModule_AddObject(m, "ERR_AFFECTS_MULTIPLE_DSAS", PyInt_FromLong(LDB_ERR_AFFECTS_MULTIPLE_DSAS));
2657         PyModule_AddObject(m, "ERR_OTHER", PyInt_FromLong(LDB_ERR_OTHER));
2658
2659         PyModule_AddObject(m, "FLG_RDONLY", PyInt_FromLong(LDB_FLG_RDONLY));
2660         PyModule_AddObject(m, "FLG_NOSYNC", PyInt_FromLong(LDB_FLG_NOSYNC));
2661         PyModule_AddObject(m, "FLG_RECONNECT", PyInt_FromLong(LDB_FLG_RECONNECT));
2662         PyModule_AddObject(m, "FLG_NOMMAP", PyInt_FromLong(LDB_FLG_NOMMAP));
2663
2664         PyModule_AddObject(m, "__docformat__", PyString_FromString("restructuredText"));
2665
2666         PyExc_LdbError = PyErr_NewException(discard_const_p(char, "_ldb.LdbError"), NULL, NULL);
2667         PyModule_AddObject(m, "LdbError", PyExc_LdbError);
2668
2669         Py_INCREF(&PyLdb);
2670         Py_INCREF(&PyLdbDn);
2671         Py_INCREF(&PyLdbModule);
2672         Py_INCREF(&PyLdbMessage);
2673         Py_INCREF(&PyLdbMessageElement);
2674         Py_INCREF(&PyLdbTree);
2675
2676         PyModule_AddObject(m, "Ldb", (PyObject *)&PyLdb);
2677         PyModule_AddObject(m, "Dn", (PyObject *)&PyLdbDn);
2678         PyModule_AddObject(m, "Message", (PyObject *)&PyLdbMessage);
2679         PyModule_AddObject(m, "MessageElement", (PyObject *)&PyLdbMessageElement);
2680         PyModule_AddObject(m, "Module", (PyObject *)&PyLdbModule);
2681         PyModule_AddObject(m, "Tree", (PyObject *)&PyLdbTree);
2682 }