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