source3/smbd/pysmbd.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Set NT and POSIX ACLs and other VFS operations from Python
   4
   5    Copyrigyt (C) Andrew Bartlett 2012
   6    Copyright (C) Jeremy Allison 1994-2009.
   7    Copyright (C) Andreas Gruenbacher 2002.
   8    Copyright (C) Simo Sorce <idra@samba.org> 2009.
   9    Copyright (C) Simo Sorce 2002
  10    Copyright (C) Eric Lorimer 2002
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include <Python.h>
  27 #include "includes.h"
  28 #include "smbd/smbd.h"
  29 #include "libcli/util/pyerrors.h"
  30 #include "librpc/rpc/pyrpc_util.h"
  31 #include <pytalloc.h>
  32 #include "system/filesys.h"
  33
  34 extern const struct generic_mapping file_generic_mapping;
  35
  36 #undef  DBGC_CLASS
  37 #define DBGC_CLASS DBGC_ACLS
  38
  39 static int conn_free_wrapper(connection_struct *conn)
  40 {
  41         conn_free(conn);
  42         return 0;
  43 };
  44
  45 static connection_struct *get_conn(TALLOC_CTX *mem_ctx, const char *service)
  46 {
  47         connection_struct *conn;
  48         TALLOC_CTX *frame = talloc_stackframe();
  49         int snum = -1;
  50         NTSTATUS status;
  51
  52         if (!posix_locking_init(false)) {
  53                 PyErr_NoMemory();
  54                 TALLOC_FREE(frame);
  55                 return NULL;
  56         }
  57
  58         if (service) {
  59                 snum = lp_servicenumber(service);
  60                 if (snum == -1) {
  61                         TALLOC_FREE(frame);
  62                         PyErr_SetString(PyExc_RuntimeError, "unknown service");
  63                         return NULL;
  64                 }
  65         }
  66
  67         status = create_conn_struct(mem_ctx, NULL, NULL, &conn, snum, "/",
  68                                             NULL);
  69         PyErr_NTSTATUS_IS_ERR_RAISE(status);
  70
  71         TALLOC_FREE(frame);
  72         /* Ignore read-only and share restrictions */
  73         conn->read_only = false;
  74         conn->share_access = SEC_RIGHTS_FILE_ALL;
  75         talloc_set_destructor(conn, conn_free_wrapper);
  76         return conn;
  77 }
  78
  79 static int set_sys_acl_conn(const char *fname,
  80                                  SMB_ACL_TYPE_T acltype,
  81                                  SMB_ACL_T theacl, connection_struct *conn)
  82 {
  83         int ret;
  84         mode_t saved_umask;
  85
  86         TALLOC_CTX *frame = talloc_stackframe();
  87
  88         /* we want total control over the permissions on created files,
  89            so set our umask to 0 */
  90         saved_umask = umask(0);
  91
  92         ret = SMB_VFS_SYS_ACL_SET_FILE( conn, fname, acltype, theacl);
  93
  94         umask(saved_umask);
  95
  96         TALLOC_FREE(frame);
  97         return ret;
  98 }
  99
 100 static NTSTATUS set_nt_acl_conn(const char *fname,
 101                                 uint32_t security_info_sent, const struct security_descriptor *sd,
 102                                 connection_struct *conn)
 103 {
 104         TALLOC_CTX *frame = talloc_stackframe();
 105         NTSTATUS status = NT_STATUS_OK;
 106         files_struct *fsp;
 107         struct smb_filename *smb_fname = NULL;
 108         int flags, ret;
 109         mode_t saved_umask;
 110
 111         fsp = talloc_zero(frame, struct files_struct);
 112         if (fsp == NULL) {
 113                 TALLOC_FREE(frame);
 114                 return NT_STATUS_NO_MEMORY;
 115         }
 116         fsp->fh = talloc(fsp, struct fd_handle);
 117         if (fsp->fh == NULL) {
 118                 TALLOC_FREE(frame);
 119                 return NT_STATUS_NO_MEMORY;
 120         }
 121         fsp->conn = conn;
 122
 123         /* we want total control over the permissions on created files,
 124            so set our umask to 0 */
 125         saved_umask = umask(0);
 126
 127         smb_fname = synthetic_smb_fname_split(fsp,
 128                                         fname,
 129                                         lp_posix_pathnames());
 130         if (smb_fname == NULL) {
 131                 TALLOC_FREE(frame);
 132                 umask(saved_umask);
 133                 return NT_STATUS_NO_MEMORY;
 134         }
 135
 136         fsp->fsp_name = smb_fname;
 137
 138 #ifdef O_DIRECTORY
 139         flags = O_RDONLY|O_DIRECTORY;
 140 #else
 141         /* POSIX allows us to open a directory with O_RDONLY. */
 142         flags = O_RDONLY;
 143 #endif
 144
 145         fsp->fh->fd = SMB_VFS_OPEN(conn, smb_fname, fsp, O_RDWR, 00400);
 146         if (fsp->fh->fd == -1 && errno == EISDIR) {
 147                 fsp->fh->fd = SMB_VFS_OPEN(conn, smb_fname, fsp, flags, 00400);
 148         }
 149         if (fsp->fh->fd == -1) {
 150                 printf("open: error=%d (%s)\n", errno, strerror(errno));
 151                 TALLOC_FREE(frame);
 152                 umask(saved_umask);
 153                 return NT_STATUS_UNSUCCESSFUL;
 154         }
 155
 156         ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
 157         if (ret == -1) {
 158                 /* If we have an fd, this stat should succeed. */
 159                 DEBUG(0,("Error doing fstat on open file %s "
 160                         "(%s)\n",
 161                         smb_fname_str_dbg(smb_fname),
 162                         strerror(errno) ));
 163                 TALLOC_FREE(frame);
 164                 umask(saved_umask);
 165                 return map_nt_error_from_unix(errno);
 166         }
 167
 168         fsp->file_id = vfs_file_id_from_sbuf(conn, &smb_fname->st);
 169         fsp->vuid = UID_FIELD_INVALID;
 170         fsp->file_pid = 0;
 171         fsp->can_lock = True;
 172         fsp->can_read = True;
 173         fsp->can_write = True;
 174         fsp->print_file = NULL;
 175         fsp->modified = False;
 176         fsp->sent_oplock_break = NO_BREAK_SENT;
 177         fsp->is_directory = S_ISDIR(smb_fname->st.st_ex_mode);
 178
 179         status = SMB_VFS_FSET_NT_ACL( fsp, security_info_sent, sd);
 180         if (!NT_STATUS_IS_OK(status)) {
 181                 DEBUG(0,("set_nt_acl_no_snum: fset_nt_acl returned %s.\n", nt_errstr(status)));
 182         }
 183
 184         SMB_VFS_CLOSE(fsp);
 185
 186         conn_free(conn);
 187         TALLOC_FREE(frame);
 188
 189         umask(saved_umask);
 190         return status;
 191 }
 192
 193 static NTSTATUS get_nt_acl_conn(TALLOC_CTX *mem_ctx,
 194                                 const char *fname,
 195                                 connection_struct *conn,
 196                                 uint32_t security_info_wanted,
 197                                 struct security_descriptor **sd)
 198 {
 199         TALLOC_CTX *frame = talloc_stackframe();
 200         NTSTATUS status;
 201         struct smb_filename *smb_fname = synthetic_smb_fname(talloc_tos(),
 202                                         fname,
 203                                         NULL,
 204                                         NULL,
 205                                         lp_posix_pathnames() ?
 206                                                 SMB_FILENAME_POSIX_PATH : 0);
 207
 208         if (smb_fname == NULL) {
 209                 TALLOC_FREE(frame);
 210                 return NT_STATUS_NO_MEMORY;
 211         }
 212
 213         status = SMB_VFS_GET_NT_ACL(conn,
 214                                 smb_fname,
 215                                 security_info_wanted,
 216                                 mem_ctx,
 217                                 sd);
 218         if (!NT_STATUS_IS_OK(status)) {
 219                 DEBUG(0,("get_nt_acl_conn: get_nt_acl returned %s.\n", nt_errstr(status)));
 220         }
 221
 222         TALLOC_FREE(frame);
 223
 224         return status;
 225 }
 226
 227
 228 static SMB_ACL_T make_simple_acl(gid_t gid, mode_t chmod_mode)
 229 {
 230         TALLOC_CTX *frame = talloc_stackframe();
 231
 232         mode_t mode = SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE;
 233
 234         mode_t mode_user = (chmod_mode & 0700) >> 6;
 235         mode_t mode_group = (chmod_mode & 070) >> 3;
 236         mode_t mode_other = chmod_mode &  07;
 237         SMB_ACL_ENTRY_T entry;
 238         SMB_ACL_T acl = sys_acl_init(frame);
 239
 240         if (!acl) {
 241                 return NULL;
 242         }
 243
 244         if (sys_acl_create_entry(&acl, &entry) != 0) {
 245                 TALLOC_FREE(frame);
 246                 return NULL;
 247         }
 248
 249         if (sys_acl_set_tag_type(entry, SMB_ACL_USER_OBJ) != 0) {
 250                 TALLOC_FREE(frame);
 251                 return NULL;
 252         }
 253
 254         if (sys_acl_set_permset(entry, &mode_user) != 0) {
 255                 TALLOC_FREE(frame);
 256                 return NULL;
 257         }
 258
 259         if (sys_acl_create_entry(&acl, &entry) != 0) {
 260                 TALLOC_FREE(frame);
 261                 return NULL;
 262         }
 263
 264         if (sys_acl_set_tag_type(entry, SMB_ACL_GROUP_OBJ) != 0) {
 265                 TALLOC_FREE(frame);
 266                 return NULL;
 267         }
 268
 269         if (sys_acl_set_permset(entry, &mode_group) != 0) {
 270                 TALLOC_FREE(frame);
 271                 return NULL;
 272         }
 273
 274         if (sys_acl_create_entry(&acl, &entry) != 0) {
 275                 TALLOC_FREE(frame);
 276                 return NULL;
 277         }
 278
 279         if (sys_acl_set_tag_type(entry, SMB_ACL_OTHER) != 0) {
 280                 TALLOC_FREE(frame);
 281                 return NULL;
 282         }
 283
 284         if (sys_acl_set_permset(entry, &mode_other) != 0) {
 285                 TALLOC_FREE(frame);
 286                 return NULL;
 287         }
 288
 289         if (gid != -1) {
 290                 if (sys_acl_create_entry(&acl, &entry) != 0) {
 291                         TALLOC_FREE(frame);
 292                         return NULL;
 293                 }
 294
 295                 if (sys_acl_set_tag_type(entry, SMB_ACL_GROUP) != 0) {
 296                         TALLOC_FREE(frame);
 297                         return NULL;
 298                 }
 299
 300                 if (sys_acl_set_qualifier(entry, &gid) != 0) {
 301                         TALLOC_FREE(frame);
 302                         return NULL;
 303                 }
 304
 305                 if (sys_acl_set_permset(entry, &mode_group) != 0) {
 306                         TALLOC_FREE(frame);
 307                         return NULL;
 308                 }
 309         }
 310
 311         if (sys_acl_create_entry(&acl, &entry) != 0) {
 312                 TALLOC_FREE(frame);
 313                 return NULL;
 314         }
 315
 316         if (sys_acl_set_tag_type(entry, SMB_ACL_MASK) != 0) {
 317                 TALLOC_FREE(frame);
 318                 return NULL;
 319         }
 320
 321         if (sys_acl_set_permset(entry, &mode) != 0) {
 322                 TALLOC_FREE(frame);
 323                 return NULL;
 324         }
 325         return acl;
 326 }
 327
 328 /*
 329   set a simple ACL on a file, as a test
 330  */
 331 static PyObject *py_smbd_set_simple_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 332 {
 333         const char * const kwnames[] = { "fname", "mode", "gid", "service", NULL };
 334         char *fname, *service = NULL;
 335         int ret;
 336         int mode, gid = -1;
 337         SMB_ACL_T acl;
 338         TALLOC_CTX *frame;
 339         connection_struct *conn;
 340
 341         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|iz",
 342                                          discard_const_p(char *, kwnames),
 343                                          &fname, &mode, &gid, &service))
 344                 return NULL;
 345
 346         acl = make_simple_acl(gid, mode);
 347
 348         frame = talloc_stackframe();
 349
 350         conn = get_conn(frame, service);
 351         if (!conn) {
 352                 return NULL;
 353         }
 354
 355         ret = set_sys_acl_conn(fname, SMB_ACL_TYPE_ACCESS, acl, conn);
 356         TALLOC_FREE(acl);
 357
 358         if (ret != 0) {
 359                 TALLOC_FREE(frame);
 360                 errno = ret;
 361                 return PyErr_SetFromErrno(PyExc_OSError);
 362         }
 363
 364         TALLOC_FREE(frame);
 365
 366         Py_RETURN_NONE;
 367 }
 368
 369 /*
 370   chown a file
 371  */
 372 static PyObject *py_smbd_chown(PyObject *self, PyObject *args, PyObject *kwargs)
 373 {
 374         const char * const kwnames[] = { "fname", "uid", "gid", "service", NULL };
 375         connection_struct *conn;
 376         int ret;
 377
 378         char *fname, *service = NULL;
 379         int uid, gid;
 380         TALLOC_CTX *frame;
 381         mode_t saved_umask;
 382         struct smb_filename *smb_fname = NULL;
 383
 384         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sii|z",
 385                                          discard_const_p(char *, kwnames),
 386                                          &fname, &uid, &gid, &service))
 387                 return NULL;
 388
 389         frame = talloc_stackframe();
 390
 391         conn = get_conn(frame, service);
 392         if (!conn) {
 393                 return NULL;
 394         }
 395
 396         /* we want total control over the permissions on created files,
 397            so set our umask to 0 */
 398         saved_umask = umask(0);
 399
 400         smb_fname = synthetic_smb_fname(talloc_tos(),
 401                                         fname,
 402                                         NULL,
 403                                         NULL,
 404                                         lp_posix_pathnames() ?
 405                                                 SMB_FILENAME_POSIX_PATH : 0);
 406         if (smb_fname == NULL) {
 407                 umask(saved_umask);
 408                 TALLOC_FREE(frame);
 409                 errno = ENOMEM;
 410                 return PyErr_SetFromErrno(PyExc_OSError);
 411         }
 412
 413         ret = SMB_VFS_CHOWN(conn, smb_fname, uid, gid);
 414         if (ret != 0) {
 415                 umask(saved_umask);
 416                 TALLOC_FREE(frame);
 417                 errno = ret;
 418                 return PyErr_SetFromErrno(PyExc_OSError);
 419         }
 420
 421         umask(saved_umask);
 422
 423         TALLOC_FREE(frame);
 424
 425         Py_RETURN_NONE;
 426 }
 427
 428 /*
 429   unlink a file
 430  */
 431 static PyObject *py_smbd_unlink(PyObject *self, PyObject *args, PyObject *kwargs)
 432 {
 433         const char * const kwnames[] = { "fname", "service", NULL };
 434         connection_struct *conn;
 435         int ret;
 436         struct smb_filename *smb_fname = NULL;
 437         char *fname, *service = NULL;
 438         TALLOC_CTX *frame;
 439
 440         frame = talloc_stackframe();
 441
 442         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z",
 443                                          discard_const_p(char *, kwnames),
 444                                          &fname, &service)) {
 445                 TALLOC_FREE(frame);
 446                 return NULL;
 447         }
 448
 449         conn = get_conn(frame, service);
 450         if (!conn) {
 451                 TALLOC_FREE(frame);
 452                 return NULL;
 453         }
 454
 455         smb_fname = synthetic_smb_fname_split(frame,
 456                                         fname,
 457                                         lp_posix_pathnames());
 458         if (smb_fname == NULL) {
 459                 TALLOC_FREE(frame);
 460                 return PyErr_NoMemory();
 461         }
 462
 463         ret = SMB_VFS_UNLINK(conn, smb_fname);
 464         if (ret != 0) {
 465                 TALLOC_FREE(frame);
 466                 errno = ret;
 467                 return PyErr_SetFromErrno(PyExc_OSError);
 468         }
 469
 470         TALLOC_FREE(frame);
 471
 472         Py_RETURN_NONE;
 473 }
 474
 475 /*
 476   check if we have ACL support
 477  */
 478 static PyObject *py_smbd_have_posix_acls(PyObject *self)
 479 {
 480 #ifdef HAVE_POSIX_ACLS
 481         return PyBool_FromLong(true);
 482 #else
 483         return PyBool_FromLong(false);
 484 #endif
 485 }
 486
 487 /*
 488   set the NT ACL on a file
 489  */
 490 static PyObject *py_smbd_set_nt_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 491 {
 492         const char * const kwnames[] = { "fname", "security_info_sent", "sd", "service", NULL };
 493         NTSTATUS status;
 494         char *fname, *service = NULL;
 495         int security_info_sent;
 496         PyObject *py_sd;
 497         struct security_descriptor *sd;
 498         connection_struct *conn;
 499         TALLOC_CTX *frame;
 500
 501         frame = talloc_stackframe();
 502
 503         if (!PyArg_ParseTupleAndKeywords(args, kwargs,
 504                                          "siO|z", discard_const_p(char *, kwnames),
 505                                          &fname, &security_info_sent, &py_sd, &service)) {
 506                 TALLOC_FREE(frame);
 507                 return NULL;
 508         }
 509
 510         if (!py_check_dcerpc_type(py_sd, "samba.dcerpc.security", "descriptor")) {
 511                 TALLOC_FREE(frame);
 512                 return NULL;
 513         }
 514
 515         conn = get_conn(frame, service);
 516         if (!conn) {
 517                 TALLOC_FREE(frame);
 518                 return NULL;
 519         }
 520
 521         sd = pytalloc_get_type(py_sd, struct security_descriptor);
 522
 523         status = set_nt_acl_conn(fname, security_info_sent, sd, conn);
 524         TALLOC_FREE(frame);
 525         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 526
 527         Py_RETURN_NONE;
 528 }
 529
 530 /*
 531   Return the NT ACL on a file
 532  */
 533 static PyObject *py_smbd_get_nt_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 534 {
 535         const char * const kwnames[] = { "fname", "security_info_wanted", "service", NULL };
 536         char *fname, *service = NULL;
 537         int security_info_wanted;
 538         PyObject *py_sd;
 539         struct security_descriptor *sd;
 540         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
 541         connection_struct *conn;
 542         NTSTATUS status;
 543
 544         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|z", discard_const_p(char *, kwnames),
 545                                          &fname, &security_info_wanted, &service)) {
 546                 TALLOC_FREE(tmp_ctx);
 547                 return NULL;
 548         }
 549
 550         conn = get_conn(tmp_ctx, service);
 551         if (!conn) {
 552                 TALLOC_FREE(tmp_ctx);
 553                 return NULL;
 554         }
 555
 556         status = get_nt_acl_conn(tmp_ctx, fname, conn, security_info_wanted, &sd);
 557         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 558
 559         py_sd = py_return_ndr_struct("samba.dcerpc.security", "descriptor", sd, sd);
 560
 561         TALLOC_FREE(tmp_ctx);
 562
 563         return py_sd;
 564 }
 565
 566 /*
 567   set the posix (or similar) ACL on a file
 568  */
 569 static PyObject *py_smbd_set_sys_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 570 {
 571         const char * const kwnames[] = { "fname", "acl_type", "acl", "service", NULL };
 572         TALLOC_CTX *frame = talloc_stackframe();
 573         int ret;
 574         char *fname, *service = NULL;
 575         PyObject *py_acl;
 576         struct smb_acl_t *acl;
 577         int acl_type;
 578         connection_struct *conn;
 579
 580         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "siO|z",
 581                                          discard_const_p(char *, kwnames),
 582                                          &fname, &acl_type, &py_acl, &service)) {
 583                 TALLOC_FREE(frame);
 584                 return NULL;
 585         }
 586
 587         if (!py_check_dcerpc_type(py_acl, "samba.dcerpc.smb_acl", "t")) {
 588                 TALLOC_FREE(frame);
 589                 return NULL;
 590         }
 591
 592         conn = get_conn(frame, service);
 593         if (!conn) {
 594                 TALLOC_FREE(frame);
 595                 return NULL;
 596         }
 597
 598         acl = pytalloc_get_type(py_acl, struct smb_acl_t);
 599
 600         ret = set_sys_acl_conn(fname, acl_type, acl, conn);
 601         if (ret != 0) {
 602                 TALLOC_FREE(frame);
 603                 errno = ret;
 604                 return PyErr_SetFromErrno(PyExc_OSError);
 605         }
 606
 607         TALLOC_FREE(frame);
 608         Py_RETURN_NONE;
 609 }
 610
 611 /*
 612   Return the posix (or similar) ACL on a file
 613  */
 614 static PyObject *py_smbd_get_sys_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 615 {
 616         const char * const kwnames[] = { "fname", "acl_type", "service", NULL };
 617         char *fname;
 618         PyObject *py_acl;
 619         struct smb_acl_t *acl;
 620         int acl_type;
 621         TALLOC_CTX *frame = talloc_stackframe();
 622         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
 623         connection_struct *conn;
 624         char *service = NULL;
 625         if (!tmp_ctx) {
 626                 PyErr_NoMemory();
 627                 return NULL;
 628         }
 629
 630         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|z",
 631                                          discard_const_p(char *, kwnames),
 632                                          &fname, &acl_type, &service)) {
 633                 TALLOC_FREE(frame);
 634                 TALLOC_FREE(tmp_ctx);
 635                 return NULL;
 636         }
 637
 638         conn = get_conn(frame, service);
 639         if (!conn) {
 640                 TALLOC_FREE(frame);
 641                 TALLOC_FREE(tmp_ctx);
 642                 return NULL;
 643         }
 644
 645         acl = SMB_VFS_SYS_ACL_GET_FILE( conn, fname, acl_type, tmp_ctx);
 646         if (!acl) {
 647                 TALLOC_FREE(frame);
 648                 TALLOC_FREE(tmp_ctx);
 649                 return PyErr_SetFromErrno(PyExc_OSError);
 650         }
 651
 652         py_acl = py_return_ndr_struct("samba.dcerpc.smb_acl", "t", acl, acl);
 653
 654         TALLOC_FREE(frame);
 655         TALLOC_FREE(tmp_ctx);
 656
 657         return py_acl;
 658 }
 659
 660 static PyMethodDef py_smbd_methods[] = {
 661         { "have_posix_acls",
 662                 (PyCFunction)py_smbd_have_posix_acls, METH_NOARGS,
 663                 NULL },
 664         { "set_simple_acl",
 665                 (PyCFunction)py_smbd_set_simple_acl, METH_VARARGS|METH_KEYWORDS,
 666                 NULL },
 667         { "set_nt_acl",
 668                 (PyCFunction)py_smbd_set_nt_acl, METH_VARARGS|METH_KEYWORDS,
 669                 NULL },
 670         { "get_nt_acl",
 671                 (PyCFunction)py_smbd_get_nt_acl, METH_VARARGS|METH_KEYWORDS,
 672                 NULL },
 673         { "get_sys_acl",
 674                 (PyCFunction)py_smbd_get_sys_acl, METH_VARARGS|METH_KEYWORDS,
 675                 NULL },
 676         { "set_sys_acl",
 677                 (PyCFunction)py_smbd_set_sys_acl, METH_VARARGS|METH_KEYWORDS,
 678                 NULL },
 679         { "chown",
 680                 (PyCFunction)py_smbd_chown, METH_VARARGS|METH_KEYWORDS,
 681                 NULL },
 682         { "unlink",
 683                 (PyCFunction)py_smbd_unlink, METH_VARARGS|METH_KEYWORDS,
 684                 NULL },
 685         { NULL }
 686 };
 687
 688 void initsmbd(void);
 689 void initsmbd(void)
 690 {
 691         PyObject *m;
 692
 693         m = Py_InitModule3("smbd", py_smbd_methods,
 694                            "Python bindings for the smbd file server.");
 695         if (m == NULL)
 696                 return;
 697
 698 }