source4/param/pyparam.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba utility functions
   4    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "lib/replace/system/python.h"
  21 #include "python/py3compat.h"
  22 #include "includes.h"
  23 #include "param/param.h"
  24 #include "param/loadparm.h"
  25 #include <pytalloc.h>
  26 #include "dynconfig/dynconfig.h"
  27
  28 #define PyLoadparmContext_AsLoadparmContext(obj) pytalloc_get_type(obj, struct loadparm_context)
  29 #define PyLoadparmService_AsLoadparmService(obj) pytalloc_get_type(obj, struct loadparm_service)
  30
  31 extern PyTypeObject PyLoadparmContext;
  32 extern PyTypeObject PyLoadparmService;
  33
  34 static PyObject *PyLoadparmService_FromService(struct loadparm_service *service)
  35 {
  36         return pytalloc_reference(&PyLoadparmService, service);
  37 }
  38
  39 static PyObject *py_lp_ctx_get_helper(struct loadparm_context *lp_ctx, const char *service_name, const char *param_name)
  40 {
  41         struct parm_struct *parm = NULL;
  42         void *parm_ptr = NULL;
  43         int i;
  44
  45         if (service_name != NULL && strwicmp(service_name, GLOBAL_NAME) &&
  46                 strwicmp(service_name, GLOBAL_NAME2)) {
  47                 struct loadparm_service *service;
  48                 /* its a share parameter */
  49                 service = lpcfg_service(lp_ctx, service_name);
  50                 if (service == NULL) {
  51                         return NULL;
  52                 }
  53                 if (strchr(param_name, ':')) {
  54                         /* its a parametric option on a share */
  55                         const char *type = talloc_strndup(lp_ctx, param_name,
  56                                                                                           strcspn(param_name, ":"));
  57                         const char *option = strchr(param_name, ':') + 1;
  58                         const char *value;
  59                         if (type == NULL || option == NULL) {
  60                         return NULL;
  61                         }
  62                         value = lpcfg_get_parametric(lp_ctx, service, type, option);
  63                         if (value == NULL) {
  64                         return NULL;
  65                         }
  66                         return PyUnicode_FromString(value);
  67                 }
  68
  69                 parm = lpcfg_parm_struct(lp_ctx, param_name);
  70                 if (parm == NULL || parm->p_class == P_GLOBAL) {
  71                         return NULL;
  72                 }
  73                 parm_ptr = lpcfg_parm_ptr(lp_ctx, service, parm);
  74     } else if (strchr(param_name, ':')) {
  75                 /* its a global parametric option */
  76                 const char *type = talloc_strndup(lp_ctx,
  77                                   param_name, strcspn(param_name, ":"));
  78                 const char *option = strchr(param_name, ':') + 1;
  79                 const char *value;
  80                 if (type == NULL || option == NULL) {
  81                         return NULL;
  82                 }
  83                 value = lpcfg_get_parametric(lp_ctx, NULL, type, option);
  84                 if (value == NULL)
  85                         return NULL;
  86                 return PyUnicode_FromString(value);
  87         } else {
  88                 /* its a global parameter */
  89                 parm = lpcfg_parm_struct(lp_ctx, param_name);
  90                 if (parm == NULL) {
  91                         return NULL;
  92                 }
  93                 parm_ptr = lpcfg_parm_ptr(lp_ctx, NULL, parm);
  94         }
  95
  96         if (parm == NULL || parm_ptr == NULL) {
  97                 return NULL;
  98     }
  99
 100     /* construct and return the right type of python object */
 101     switch (parm->type) {
 102     case P_CHAR:
 103         return PyUnicode_FromFormat("%c", *(char *)parm_ptr);
 104     case P_STRING:
 105     case P_USTRING:
 106         return PyUnicode_FromString(*(char **)parm_ptr);
 107     case P_BOOL:
 108         return PyBool_FromLong(*(bool *)parm_ptr);
 109     case P_BOOLREV:
 110         return PyBool_FromLong(!(*(bool *)parm_ptr));
 111     case P_INTEGER:
 112     case P_OCTAL:
 113     case P_BYTES:
 114         return PyLong_FromLong(*(int *)parm_ptr);
 115     case P_ENUM:
 116         for (i=0; parm->enum_list[i].name; i++) {
 117             if (*(int *)parm_ptr == parm->enum_list[i].value) {
 118                 return PyUnicode_FromString(parm->enum_list[i].name);
 119             }
 120         }
 121         return NULL;
 122     case P_CMDLIST:
 123     case P_LIST:
 124         {
 125             int j;
 126             const char **strlist = *(const char ***)parm_ptr;
 127             PyObject *pylist;
 128
 129             if(strlist == NULL) {
 130                     return PyList_New(0);
 131             }
 132
 133             pylist = PyList_New(str_list_length(strlist));
 134             for (j = 0; strlist[j]; j++)
 135                 PyList_SetItem(pylist, j,
 136                                PyUnicode_FromString(strlist[j]));
 137             return pylist;
 138         }
 139     }
 140     return NULL;
 141
 142 }
 143
 144 static PyObject *py_lp_ctx_load(PyObject *self, PyObject *args)
 145 {
 146         char *filename;
 147         bool ret;
 148         if (!PyArg_ParseTuple(args, "s", &filename))
 149                 return NULL;
 150
 151         ret = lpcfg_load(PyLoadparmContext_AsLoadparmContext(self), filename);
 152
 153         if (!ret) {
 154                 PyErr_Format(PyExc_RuntimeError, "Unable to load file %s", filename);
 155                 return NULL;
 156         }
 157         Py_RETURN_NONE;
 158 }
 159
 160 static PyObject *py_lp_ctx_load_default(PyObject *self, PyObject *unused)
 161 {
 162         bool ret;
 163         ret = lpcfg_load_default(PyLoadparmContext_AsLoadparmContext(self));
 164
 165         if (!ret) {
 166                 PyErr_SetString(PyExc_RuntimeError, "Unable to load default file");
 167                 return NULL;
 168         }
 169         Py_RETURN_NONE;
 170 }
 171
 172 static PyObject *py_lp_ctx_get(PyObject *self, PyObject *args)
 173 {
 174         char *param_name;
 175         char *section_name = NULL;
 176         PyObject *ret;
 177         if (!PyArg_ParseTuple(args, "s|z", &param_name, &section_name))
 178                 return NULL;
 179
 180         ret = py_lp_ctx_get_helper(PyLoadparmContext_AsLoadparmContext(self), section_name, param_name);
 181         if (ret == NULL)
 182                 Py_RETURN_NONE;
 183         return ret;
 184 }
 185
 186 static PyObject *py_lp_ctx_is_myname(PyObject *self, PyObject *args)
 187 {
 188         char *name;
 189         if (!PyArg_ParseTuple(args, "s", &name))
 190                 return NULL;
 191
 192         return PyBool_FromLong(lpcfg_is_myname(PyLoadparmContext_AsLoadparmContext(self), name));
 193 }
 194
 195 static PyObject *py_lp_ctx_is_mydomain(PyObject *self, PyObject *args)
 196 {
 197         char *name;
 198         if (!PyArg_ParseTuple(args, "s", &name))
 199                 return NULL;
 200
 201         return PyBool_FromLong(lpcfg_is_mydomain(PyLoadparmContext_AsLoadparmContext(self), name));
 202 }
 203
 204 static PyObject *py_lp_ctx_set(PyObject *self, PyObject *args)
 205 {
 206         char *name, *value;
 207         bool ret;
 208         if (!PyArg_ParseTuple(args, "ss", &name, &value))
 209                 return NULL;
 210
 211         ret = lpcfg_set_cmdline(PyLoadparmContext_AsLoadparmContext(self), name, value);
 212         if (!ret) {
 213                 PyErr_SetString(PyExc_RuntimeError, "Unable to set parameter");
 214                 return NULL;
 215         }
 216
 217         Py_RETURN_NONE;
 218 }
 219
 220 static PyObject *py_lp_ctx_private_path(PyObject *self, PyObject *args)
 221 {
 222         char *name, *path;
 223         PyObject *ret;
 224         if (!PyArg_ParseTuple(args, "s", &name))
 225                 return NULL;
 226
 227         path = lpcfg_private_path(NULL, PyLoadparmContext_AsLoadparmContext(self), name);
 228         ret = PyUnicode_FromString(path);
 229         talloc_free(path);
 230
 231         return ret;
 232 }
 233
 234 static PyObject *py_lp_ctx_services(PyObject *self, PyObject *unused)
 235 {
 236         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 237         PyObject *ret;
 238         int i;
 239         ret = PyList_New(lpcfg_numservices(lp_ctx));
 240         for (i = 0; i < lpcfg_numservices(lp_ctx); i++) {
 241                 struct loadparm_service *service = lpcfg_servicebynum(lp_ctx, i);
 242                 if (service != NULL) {
 243                         PyList_SetItem(ret, i, PyUnicode_FromString(lpcfg_servicename(service)));
 244                 }
 245         }
 246         return ret;
 247 }
 248
 249 static PyObject *py_lp_ctx_server_role(PyObject *self, PyObject *unused)
 250 {
 251         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 252         uint32_t role;
 253         const char *role_str;
 254
 255         role = lpcfg_server_role(lp_ctx);
 256         role_str = server_role_str(role);
 257
 258         return PyUnicode_FromString(role_str);
 259 }
 260
 261 static PyObject *py_lp_dump(PyObject *self, PyObject *args)
 262 {
 263         bool show_defaults = false;
 264         const char *file_name = "";
 265         const char *mode = "w";
 266         FILE *f;
 267         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 268
 269         if (!PyArg_ParseTuple(args, "|bss", &show_defaults, &file_name, &mode))
 270                 return NULL;
 271
 272         if (file_name[0] == '\0') {
 273                 f = stdout;
 274         } else {
 275                 f = fopen(file_name, mode);
 276         }
 277
 278         if (f == NULL) {
 279                 PyErr_SetFromErrno(PyExc_IOError);
 280                 return NULL;
 281         }
 282
 283         lpcfg_dump(lp_ctx, f, show_defaults, lpcfg_numservices(lp_ctx));
 284
 285         if (f != stdout) {
 286                 fclose(f);
 287         }
 288
 289         Py_RETURN_NONE;
 290 }
 291
 292 static PyObject *py_lp_dump_globals(PyObject *self, PyObject *args)
 293 {
 294         bool show_defaults = false;
 295         const char *file_name = "";
 296         const char *mode = "w";
 297         FILE *f;
 298         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 299
 300         if (!PyArg_ParseTuple(args, "|bss", &show_defaults, &file_name, &mode))
 301                 return NULL;
 302
 303         if (file_name[0] == '\0') {
 304                 f = stdout;
 305         } else {
 306                 f = fopen(file_name, mode);
 307         }
 308
 309         if (f == NULL) {
 310                 PyErr_SetFromErrno(PyExc_IOError);
 311                 return NULL;
 312         }
 313
 314         lpcfg_dump_globals(lp_ctx, f, show_defaults);
 315
 316         if (f != stdout) {
 317                 fclose(f);
 318         }
 319
 320         Py_RETURN_NONE;
 321 }
 322
 323 static PyObject *py_lp_dump_a_parameter(PyObject *self, PyObject *args)
 324 {
 325         char *param_name;
 326         const char *section_name = NULL;
 327         const char *file_name = "";
 328         const char *mode = "w";
 329         FILE *f;
 330         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 331         struct loadparm_service *service;
 332         bool ret;
 333
 334         if (!PyArg_ParseTuple(args, "s|zss", &param_name, &section_name, &file_name, &mode))
 335                 return NULL;
 336
 337         if (file_name[0] == '\0') {
 338                 f = stdout;
 339         } else {
 340                 f = fopen(file_name, mode);
 341         }
 342
 343         if (f == NULL) {
 344                 return NULL;
 345         }
 346
 347         if (section_name != NULL && strwicmp(section_name, GLOBAL_NAME) &&
 348                 strwicmp(section_name, GLOBAL_NAME2)) {
 349                 /* it's a share parameter */
 350                 service = lpcfg_service(lp_ctx, section_name);
 351                 if (service == NULL) {
 352                         PyErr_Format(PyExc_RuntimeError, "Unknown section %s", section_name);
 353                         return NULL;
 354                 }
 355         } else {
 356                 /* it's global */
 357                 service = NULL;
 358                 section_name = "global";
 359         }
 360
 361         ret = lpcfg_dump_a_parameter(lp_ctx, service, param_name, f);
 362
 363         if (!ret) {
 364                 PyErr_Format(PyExc_RuntimeError, "Parameter %s unknown for section %s", param_name, section_name);
 365                 if (f != stdout) {
 366                         fclose(f);
 367                 }
 368                 return NULL;
 369         }
 370
 371         if (f != stdout) {
 372                 fclose(f);
 373         }
 374
 375         Py_RETURN_NONE;
 376
 377 }
 378
 379 static PyObject *py_lp_log_level(PyObject *self, PyObject *unused)
 380 {
 381         int ret = debuglevel_get();
 382         return PyLong_FromLong(ret);
 383 }
 384
 385
 386 static PyObject *py_samdb_url(PyObject *self, PyObject *unused)
 387 {
 388         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 389         return PyUnicode_FromFormat("tdb://%s/sam.ldb", lpcfg_private_dir(lp_ctx));
 390 }
 391
 392 static PyObject *py_cache_path(PyObject *self, PyObject *args)
 393 {
 394         struct loadparm_context *lp_ctx = PyLoadparmContext_AsLoadparmContext(self);
 395         char *name = NULL;
 396         char *path = NULL;
 397         PyObject *ret = NULL;
 398
 399         if (!PyArg_ParseTuple(args, "s", &name)) {
 400                 return NULL;
 401         }
 402
 403         path = lpcfg_cache_path(NULL, lp_ctx, name);
 404         if (!path) {
 405                 PyErr_Format(PyExc_RuntimeError,
 406                              "Unable to access cache %s", name);
 407                 return NULL;
 408         }
 409         ret = PyUnicode_FromString(path);
 410         talloc_free(path);
 411
 412         return ret;
 413 }
 414
 415 static PyObject *py_state_path(PyObject *self, PyObject *args)
 416 {
 417         struct loadparm_context *lp_ctx =
 418                 PyLoadparmContext_AsLoadparmContext(self);
 419         char *name = NULL;
 420         char *path = NULL;
 421         PyObject *ret = NULL;
 422
 423         if (!PyArg_ParseTuple(args, "s", &name)) {
 424                 return NULL;
 425         }
 426
 427         path = lpcfg_state_path(NULL, lp_ctx, name);
 428         if (!path) {
 429                 PyErr_Format(PyExc_RuntimeError,
 430                              "Unable to access cache %s", name);
 431                 return NULL;
 432         }
 433         ret = PyUnicode_FromString(path);
 434         talloc_free(path);
 435
 436         return ret;
 437 }
 438
 439 static PyMethodDef py_lp_ctx_methods[] = {
 440         { "load", py_lp_ctx_load, METH_VARARGS,
 441                 "S.load(filename) -> None\n"
 442                 "Load specified file." },
 443         { "load_default", py_lp_ctx_load_default, METH_NOARGS,
 444                 "S.load_default() -> None\n"
 445                 "Load default smb.conf file." },
 446         { "is_myname", py_lp_ctx_is_myname, METH_VARARGS,
 447                 "S.is_myname(name) -> bool\n"
 448                 "Check whether the specified name matches one of our netbios names." },
 449         { "is_mydomain", py_lp_ctx_is_mydomain, METH_VARARGS,
 450                 "S.is_mydomain(name) -> bool\n"
 451                 "Check whether the specified name matches our domain name." },
 452         { "get", py_lp_ctx_get, METH_VARARGS,
 453                 "S.get(name, service_name) -> value\n"
 454                 "Find specified parameter." },
 455         { "set", py_lp_ctx_set, METH_VARARGS,
 456                 "S.set(name, value) -> bool\n"
 457                 "Change a parameter." },
 458         { "private_path", py_lp_ctx_private_path, METH_VARARGS,
 459                 "S.private_path(name) -> path\n" },
 460         { "services", py_lp_ctx_services, METH_NOARGS,
 461                 "S.services() -> list" },
 462         { "server_role", py_lp_ctx_server_role, METH_NOARGS,
 463                 "S.server_role() -> value\n"
 464                 "Get the server role." },
 465         { "dump", py_lp_dump, METH_VARARGS,
 466                 "S.dump(show_defaults=False, file_name='', mode='w')" },
 467         { "dump_globals", py_lp_dump_globals, METH_VARARGS,
 468                 "S.dump_globals(show_defaults=False, file_name='', mode='w')" },
 469         { "dump_a_parameter", py_lp_dump_a_parameter, METH_VARARGS,
 470                 "S.dump_a_parameter(name, service_name, file_name='', mode='w')" },
 471         { "log_level", py_lp_log_level, METH_NOARGS,
 472                 "S.log_level() -> int\n Get the active log level" },
 473         { "samdb_url", py_samdb_url, METH_NOARGS,
 474                 "S.samdb_url() -> string\n"
 475                 "Returns the current URL for sam.ldb." },
 476         { "cache_path", py_cache_path, METH_VARARGS,
 477                 "S.cache_path(name) -> string\n"
 478                 "Returns a path in the Samba cache directory." },
 479         { "state_path", py_state_path, METH_VARARGS,
 480                 "S.state_path(name) -> string\n"
 481                 "Returns a path in the Samba state directory." },
 482         {0}
 483 };
 484
 485 static PyObject *py_lp_ctx_default_service(PyObject *self, void *closure)
 486 {
 487         return PyLoadparmService_FromService(lpcfg_default_service(PyLoadparmContext_AsLoadparmContext(self)));
 488 }
 489
 490 static PyObject *py_lp_ctx_config_file(PyObject *self, void *closure)
 491 {
 492         const char *configfile = lpcfg_configfile(PyLoadparmContext_AsLoadparmContext(self));
 493         if (configfile == NULL)
 494                 Py_RETURN_NONE;
 495         else
 496                 return PyUnicode_FromString(configfile);
 497 }
 498
 499 static PyObject *py_lp_ctx_weak_crypto(PyObject *self, void *closure)
 500 {
 501         enum samba_weak_crypto weak_crypto =
 502                 lpcfg_weak_crypto(PyLoadparmContext_AsLoadparmContext(self));
 503
 504         switch(weak_crypto) {
 505         case SAMBA_WEAK_CRYPTO_UNKNOWN:
 506                 Py_RETURN_NONE;
 507         case SAMBA_WEAK_CRYPTO_ALLOWED:
 508                 return PyUnicode_FromString("allowed");
 509         case SAMBA_WEAK_CRYPTO_DISALLOWED:
 510                 return PyUnicode_FromString("disallowed");
 511         }
 512
 513         Py_RETURN_NONE;
 514 }
 515
 516 static PyGetSetDef py_lp_ctx_getset[] = {
 517         {
 518                 .name = discard_const_p(char, "default_service"),
 519                 .get  = (getter)py_lp_ctx_default_service,
 520         },
 521         {
 522                 .name = discard_const_p(char, "configfile"),
 523                 .get  = (getter)py_lp_ctx_config_file,
 524                 .doc  = discard_const_p(char, "Name of last config file that was loaded.")
 525         },
 526         {
 527                 .name = discard_const_p(char, "weak_crypto"),
 528                 .get  = (getter)py_lp_ctx_weak_crypto,
 529                 .doc  = discard_const_p(char, "If weak crypto is allowed.")
 530         },
 531         { .name = NULL }
 532 };
 533
 534 static PyObject *py_lp_ctx_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 535 {
 536         const char *kwnames[] = {"filename_for_non_global_lp", NULL};
 537         PyObject *lp_ctx;
 538         const char *non_global_conf = NULL;
 539         struct loadparm_context *ctx;
 540
 541         if (!PyArg_ParseTupleAndKeywords(args,
 542                                          kwargs,
 543                                          "|s",
 544                                          discard_const_p(char *,
 545                                                          kwnames),
 546                                          &non_global_conf)) {
 547                 return NULL;
 548         }
 549
 550         /*
 551          * by default, any LoadParm python objects map to a single global
 552          * underlying object. The filename_for_non_global_lp arg overrides this
 553          * default behaviour and creates a separate underlying LoadParm object.
 554          */
 555         if (non_global_conf != NULL) {
 556                 bool ok;
 557                 ctx = loadparm_init(NULL);
 558                 if (ctx == NULL) {
 559                         PyErr_NoMemory();
 560                         return NULL;
 561                 }
 562
 563                 lp_ctx = pytalloc_reference(type, ctx);
 564                 if (lp_ctx == NULL) {
 565                         PyErr_NoMemory();
 566                         return NULL;
 567                 }
 568
 569                 ok = lpcfg_load_no_global(
 570                         PyLoadparmContext_AsLoadparmContext(lp_ctx),
 571                         non_global_conf);
 572                 if (!ok) {
 573                         PyErr_Format(PyExc_ValueError,
 574                                      "Could not load non-global conf %s",
 575                                      non_global_conf);
 576                         return NULL;
 577                 }
 578                 return lp_ctx;
 579         } else{
 580                 return pytalloc_reference(type, loadparm_init_global(false));
 581         }
 582 }
 583
 584 static Py_ssize_t py_lp_ctx_len(PyObject *self)
 585 {
 586         return lpcfg_numservices(PyLoadparmContext_AsLoadparmContext(self));
 587 }
 588
 589 static PyObject *py_lp_ctx_getitem(PyObject *self, PyObject *name)
 590 {
 591         struct loadparm_service *service;
 592         if (!PyUnicode_Check(name)) {
 593                 PyErr_SetString(PyExc_TypeError, "Only string subscripts are supported");
 594                 return NULL;
 595         }
 596         service = lpcfg_service(PyLoadparmContext_AsLoadparmContext(self), PyUnicode_AsUTF8(name));
 597         if (service == NULL) {
 598                 PyErr_SetString(PyExc_KeyError, "No such section");
 599                 return NULL;
 600         }
 601         return PyLoadparmService_FromService(service);
 602 }
 603
 604 static PyMappingMethods py_lp_ctx_mapping = {
 605         .mp_length = (lenfunc)py_lp_ctx_len,
 606         .mp_subscript = (binaryfunc)py_lp_ctx_getitem,
 607 };
 608
 609 PyTypeObject PyLoadparmContext = {
 610         .tp_name = "param.LoadParm",
 611         .tp_getset = py_lp_ctx_getset,
 612         .tp_methods = py_lp_ctx_methods,
 613         .tp_new = py_lp_ctx_new,
 614         .tp_as_mapping = &py_lp_ctx_mapping,
 615         .tp_flags = Py_TPFLAGS_DEFAULT,
 616 };
 617
 618 static PyObject *py_lp_service_dump(PyObject *self, PyObject *args)
 619 {
 620         bool show_defaults = false;
 621         FILE *f;
 622         const char *file_name = "";
 623         const char *mode = "w";
 624         struct loadparm_service *service = PyLoadparmService_AsLoadparmService(self);
 625         struct loadparm_service *default_service;
 626         PyObject *py_default_service;
 627
 628         if (!PyArg_ParseTuple(args, "O|bss", &py_default_service, &show_defaults, &file_name, &mode))
 629                 return NULL;
 630
 631         if (file_name[0] == '\0') {
 632                 f = stdout;
 633         } else {
 634                 f = fopen(file_name, mode);
 635         }
 636
 637         if (f == NULL) {
 638                 return NULL;
 639         }
 640
 641         if (!PyObject_TypeCheck(py_default_service, &PyLoadparmService)) {
 642                 PyErr_SetNone(PyExc_TypeError);
 643                 if (f != stdout) {
 644                         fclose(f);
 645                 }
 646                 return NULL;
 647         }
 648
 649         default_service = PyLoadparmService_AsLoadparmService(py_default_service);
 650
 651         lpcfg_dump_one(f, show_defaults, service, default_service);
 652
 653         if (f != stdout) {
 654                 fclose(f);
 655         }
 656
 657         Py_RETURN_NONE;
 658 }
 659
 660 static PyMethodDef py_lp_service_methods[] = {
 661         { "dump", (PyCFunction)py_lp_service_dump, METH_VARARGS,
 662                 "S.dump(default_service, show_defaults=False, file_name='', mode='w')" },
 663         {0}
 664 };
 665
 666 PyTypeObject PyLoadparmService = {
 667         .tp_name = "param.LoadparmService",
 668         .tp_methods = py_lp_service_methods,
 669         .tp_flags = Py_TPFLAGS_DEFAULT,
 670 };
 671
 672 static PyObject *py_data_dir(PyObject *self, PyObject *Py_UNUSED(ignored))
 673 {
 674         return PyUnicode_FromString(dyn_DATADIR);
 675 }
 676
 677 static PyObject *py_default_path(PyObject *self, PyObject *Py_UNUSED(ignored))
 678 {
 679         return PyUnicode_FromString(lp_default_path());
 680 }
 681
 682 static PyObject *py_setup_dir(PyObject *self, PyObject *Py_UNUSED(ignored))
 683 {
 684         return PyUnicode_FromString(dyn_SETUPDIR);
 685 }
 686
 687 static PyObject *py_modules_dir(PyObject *self, PyObject *Py_UNUSED(ignored))
 688 {
 689         return PyUnicode_FromString(dyn_MODULESDIR);
 690 }
 691
 692 static PyObject *py_bin_dir(PyObject *self, PyObject *Py_UNUSED(ignored))
 693 {
 694         return PyUnicode_FromString(dyn_BINDIR);
 695 }
 696
 697 static PyObject *py_sbin_dir(PyObject *self, PyObject *Py_UNUSED(ignored))
 698 {
 699         return PyUnicode_FromString(dyn_SBINDIR);
 700 }
 701
 702 static PyMethodDef pyparam_methods[] = {
 703         { "data_dir", (PyCFunction)py_data_dir, METH_NOARGS,
 704                 "Returns the compiled in location of data directory." },
 705         { "default_path", (PyCFunction)py_default_path, METH_NOARGS,
 706                 "Returns the default smb.conf path." },
 707         { "setup_dir", (PyCFunction)py_setup_dir, METH_NOARGS,
 708                 "Returns the compiled in location of provision templates." },
 709         { "modules_dir", (PyCFunction)py_modules_dir, METH_NOARGS,
 710                 "Returns the compiled in location of modules." },
 711         { "bin_dir", (PyCFunction)py_bin_dir, METH_NOARGS,
 712                 "Returns the compiled in BINDIR." },
 713         { "sbin_dir", (PyCFunction)py_sbin_dir, METH_NOARGS,
 714                 "Returns the compiled in SBINDIR." },
 715         {0}
 716 };
 717
 718 static struct PyModuleDef moduledef = {
 719         PyModuleDef_HEAD_INIT,
 720         .m_name = "param",
 721         .m_doc = "Parsing and writing Samba configuration files.",
 722         .m_size = -1,
 723         .m_methods = pyparam_methods,
 724 };
 725
 726 MODULE_INIT_FUNC(param)
 727 {
 728         PyObject *m;
 729         PyTypeObject *talloc_type = pytalloc_GetObjectType();
 730         if (talloc_type == NULL)
 731                 return NULL;
 732
 733         if (pytalloc_BaseObject_PyType_Ready(&PyLoadparmContext) < 0)
 734                 return NULL;
 735
 736         if (pytalloc_BaseObject_PyType_Ready(&PyLoadparmService) < 0)
 737                 return NULL;
 738
 739         m = PyModule_Create(&moduledef);
 740         if (m == NULL)
 741                 return NULL;
 742
 743         Py_INCREF(&PyLoadparmContext);
 744         PyModule_AddObject(m, "LoadParm", (PyObject *)&PyLoadparmContext);
 745         return m;
 746 }