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 "includes.h"
  27 #include "smbd/smbd.h"
  28 #include <Python.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 NTSTATUS set_sys_acl_conn(const char *fname,
  80                                  SMB_ACL_TYPE_T acltype,
  81                                  SMB_ACL_T theacl, connection_struct *conn)
  82 {
  83         NTSTATUS status = NT_STATUS_OK;
  84         int ret;
  85         mode_t saved_umask;
  86
  87         TALLOC_CTX *frame = talloc_stackframe();
  88
  89         /* we want total control over the permissions on created files,
  90            so set our umask to 0 */
  91         saved_umask = umask(0);
  92
  93         ret = SMB_VFS_SYS_ACL_SET_FILE( conn, fname, acltype, theacl);
  94         if (ret != 0) {
  95                 status = map_nt_error_from_unix_common(ret);
  96                 DEBUG(0,("set_sys_acl_conn: SMB_VFS_SYS_ACL_SET_FILE "
  97                          "returned zero.\n"));
  98         }
  99
 100         umask(saved_umask);
 101
 102         TALLOC_FREE(frame);
 103         return status;
 104 }
 105
 106 static NTSTATUS set_nt_acl_conn(const char *fname,
 107                                 uint32 security_info_sent, const struct security_descriptor *sd,
 108                                 connection_struct *conn)
 109 {
 110         TALLOC_CTX *frame = talloc_stackframe();
 111         NTSTATUS status = NT_STATUS_OK;
 112         files_struct *fsp;
 113         struct smb_filename *smb_fname = NULL;
 114         int flags, ret;
 115         mode_t saved_umask;
 116
 117         fsp = talloc_zero(frame, struct files_struct);
 118         if (fsp == NULL) {
 119                 TALLOC_FREE(frame);
 120                 return NT_STATUS_NO_MEMORY;
 121         }
 122         fsp->fh = talloc(fsp, struct fd_handle);
 123         if (fsp->fh == NULL) {
 124                 TALLOC_FREE(frame);
 125                 return NT_STATUS_NO_MEMORY;
 126         }
 127         fsp->conn = conn;
 128
 129         /* we want total control over the permissions on created files,
 130            so set our umask to 0 */
 131         saved_umask = umask(0);
 132
 133         status = create_synthetic_smb_fname_split(fsp, fname, NULL,
 134                                                   &smb_fname);
 135         if (!NT_STATUS_IS_OK(status)) {
 136                 TALLOC_FREE(frame);
 137                 umask(saved_umask);
 138                 return status;
 139         }
 140
 141         fsp->fsp_name = smb_fname;
 142
 143 #ifdef O_DIRECTORY
 144         flags = O_RDONLY|O_DIRECTORY;
 145 #else
 146         /* POSIX allows us to open a directory with O_RDONLY. */
 147         flags = O_RDONLY;
 148 #endif
 149
 150         fsp->fh->fd = SMB_VFS_OPEN(conn, smb_fname, fsp, O_RDWR, 00400);
 151         if (fsp->fh->fd == -1 && errno == EISDIR) {
 152                 fsp->fh->fd = SMB_VFS_OPEN(conn, smb_fname, fsp, flags, 00400);
 153         }
 154         if (fsp->fh->fd == -1) {
 155                 printf("open: error=%d (%s)\n", errno, strerror(errno));
 156                 TALLOC_FREE(frame);
 157                 umask(saved_umask);
 158                 return NT_STATUS_UNSUCCESSFUL;
 159         }
 160
 161         ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
 162         if (ret == -1) {
 163                 /* If we have an fd, this stat should succeed. */
 164                 DEBUG(0,("Error doing fstat on open file %s "
 165                         "(%s)\n",
 166                         smb_fname_str_dbg(smb_fname),
 167                         strerror(errno) ));
 168                 TALLOC_FREE(frame);
 169                 umask(saved_umask);
 170                 return map_nt_error_from_unix(errno);
 171         }
 172
 173         fsp->file_id = vfs_file_id_from_sbuf(conn, &smb_fname->st);
 174         fsp->vuid = UID_FIELD_INVALID;
 175         fsp->file_pid = 0;
 176         fsp->can_lock = True;
 177         fsp->can_read = True;
 178         fsp->can_write = True;
 179         fsp->print_file = NULL;
 180         fsp->modified = False;
 181         fsp->sent_oplock_break = NO_BREAK_SENT;
 182         fsp->is_directory = S_ISDIR(smb_fname->st.st_ex_mode);
 183
 184         status = SMB_VFS_FSET_NT_ACL( fsp, security_info_sent, sd);
 185         if (!NT_STATUS_IS_OK(status)) {
 186                 DEBUG(0,("set_nt_acl_no_snum: fset_nt_acl returned %s.\n", nt_errstr(status)));
 187         }
 188
 189         SMB_VFS_CLOSE(fsp);
 190
 191         conn_free(conn);
 192         TALLOC_FREE(frame);
 193
 194         umask(saved_umask);
 195         return status;
 196 }
 197
 198 static NTSTATUS get_nt_acl_conn(TALLOC_CTX *mem_ctx,
 199                                 const char *fname,
 200                                 connection_struct *conn,
 201                                 uint32 security_info_wanted,
 202                                 struct security_descriptor **sd)
 203 {
 204         TALLOC_CTX *frame = talloc_stackframe();
 205         NTSTATUS status = SMB_VFS_GET_NT_ACL( conn, fname, security_info_wanted,
 206                                      mem_ctx, sd);
 207         if (!NT_STATUS_IS_OK(status)) {
 208                 DEBUG(0,("get_nt_acl_conn: get_nt_acl returned %s.\n", nt_errstr(status)));
 209         }
 210
 211         TALLOC_FREE(frame);
 212
 213         return status;
 214 }
 215
 216
 217 static SMB_ACL_T make_simple_acl(gid_t gid, mode_t chmod_mode)
 218 {
 219         TALLOC_CTX *frame = talloc_stackframe();
 220
 221         mode_t mode = SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE;
 222
 223         mode_t mode_user = (chmod_mode & 0700) >> 6;
 224         mode_t mode_group = (chmod_mode & 070) >> 3;
 225         mode_t mode_other = chmod_mode &  07;
 226         SMB_ACL_ENTRY_T entry;
 227         SMB_ACL_T acl = sys_acl_init(frame);
 228
 229         if (!acl) {
 230                 return NULL;
 231         }
 232
 233         if (sys_acl_create_entry(&acl, &entry) != 0) {
 234                 TALLOC_FREE(frame);
 235                 return NULL;
 236         }
 237
 238         if (sys_acl_set_tag_type(entry, SMB_ACL_USER_OBJ) != 0) {
 239                 TALLOC_FREE(frame);
 240                 return NULL;
 241         }
 242
 243         if (sys_acl_set_permset(entry, &mode_user) != 0) {
 244                 TALLOC_FREE(frame);
 245                 return NULL;
 246         }
 247
 248         if (sys_acl_create_entry(&acl, &entry) != 0) {
 249                 TALLOC_FREE(frame);
 250                 return NULL;
 251         }
 252
 253         if (sys_acl_set_tag_type(entry, SMB_ACL_GROUP_OBJ) != 0) {
 254                 TALLOC_FREE(frame);
 255                 return NULL;
 256         }
 257
 258         if (sys_acl_set_permset(entry, &mode_group) != 0) {
 259                 TALLOC_FREE(frame);
 260                 return NULL;
 261         }
 262
 263         if (sys_acl_create_entry(&acl, &entry) != 0) {
 264                 TALLOC_FREE(frame);
 265                 return NULL;
 266         }
 267
 268         if (sys_acl_set_tag_type(entry, SMB_ACL_OTHER) != 0) {
 269                 TALLOC_FREE(frame);
 270                 return NULL;
 271         }
 272
 273         if (sys_acl_set_permset(entry, &mode_other) != 0) {
 274                 TALLOC_FREE(frame);
 275                 return NULL;
 276         }
 277
 278         if (gid != -1) {
 279                 if (sys_acl_create_entry(&acl, &entry) != 0) {
 280                         TALLOC_FREE(frame);
 281                         return NULL;
 282                 }
 283
 284                 if (sys_acl_set_tag_type(entry, SMB_ACL_GROUP) != 0) {
 285                         TALLOC_FREE(frame);
 286                         return NULL;
 287                 }
 288
 289                 if (sys_acl_set_qualifier(entry, &gid) != 0) {
 290                         TALLOC_FREE(frame);
 291                         return NULL;
 292                 }
 293
 294                 if (sys_acl_set_permset(entry, &mode_group) != 0) {
 295                         TALLOC_FREE(frame);
 296                         return NULL;
 297                 }
 298         }
 299
 300         if (sys_acl_create_entry(&acl, &entry) != 0) {
 301                 TALLOC_FREE(frame);
 302                 return NULL;
 303         }
 304
 305         if (sys_acl_set_tag_type(entry, SMB_ACL_MASK) != 0) {
 306                 TALLOC_FREE(frame);
 307                 return NULL;
 308         }
 309
 310         if (sys_acl_set_permset(entry, &mode) != 0) {
 311                 TALLOC_FREE(frame);
 312                 return NULL;
 313         }
 314         return acl;
 315 }
 316
 317 /*
 318   set a simple ACL on a file, as a test
 319  */
 320 static PyObject *py_smbd_set_simple_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 321 {
 322         const char * const kwnames[] = { "fname", "mode", "gid", "service", NULL };
 323         NTSTATUS status;
 324         char *fname, *service = NULL;
 325         int mode, gid = -1;
 326         SMB_ACL_T acl;
 327         TALLOC_CTX *frame;
 328         connection_struct *conn;
 329
 330         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|iz",
 331                                          discard_const_p(char *, kwnames),
 332                                          &fname, &mode, &gid, &service))
 333                 return NULL;
 334
 335         acl = make_simple_acl(gid, mode);
 336
 337         frame = talloc_stackframe();
 338
 339         conn = get_conn(frame, service);
 340         if (!conn) {
 341                 return NULL;
 342         }
 343
 344         status = set_sys_acl_conn(fname, SMB_ACL_TYPE_ACCESS, acl, conn);
 345         TALLOC_FREE(acl);
 346
 347         TALLOC_FREE(frame);
 348
 349         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 350
 351         Py_RETURN_NONE;
 352 }
 353
 354 /*
 355   chown a file
 356  */
 357 static PyObject *py_smbd_chown(PyObject *self, PyObject *args, PyObject *kwargs)
 358 {
 359         const char * const kwnames[] = { "fname", "uid", "gid", "service", NULL };
 360         connection_struct *conn;
 361         NTSTATUS status = NT_STATUS_OK;
 362         int ret;
 363
 364         char *fname, *service = NULL;
 365         int uid, gid;
 366         TALLOC_CTX *frame;
 367         mode_t saved_umask;
 368
 369         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sii|z",
 370                                          discard_const_p(char *, kwnames),
 371                                          &fname, &uid, &gid, &service))
 372                 return NULL;
 373
 374         frame = talloc_stackframe();
 375
 376         conn = get_conn(frame, service);
 377         if (!conn) {
 378                 return NULL;
 379         }
 380
 381         /* we want total control over the permissions on created files,
 382            so set our umask to 0 */
 383         saved_umask = umask(0);
 384
 385         ret = SMB_VFS_CHOWN( conn, fname, uid, gid);
 386         if (ret != 0) {
 387                 status = map_nt_error_from_unix_common(errno);
 388                 DEBUG(0,("chown returned failure: %s\n", strerror(errno)));
 389         }
 390
 391         umask(saved_umask);
 392
 393         TALLOC_FREE(frame);
 394
 395         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 396
 397         Py_RETURN_NONE;
 398 }
 399
 400 /*
 401   chown a file
 402  */
 403 static PyObject *py_smbd_unlink(PyObject *self, PyObject *args, PyObject *kwargs)
 404 {
 405         const char * const kwnames[] = { "fname", "service", NULL };
 406         connection_struct *conn;
 407         NTSTATUS status = NT_STATUS_OK;
 408         int ret;
 409         struct smb_filename *smb_fname = NULL;
 410         char *fname, *service = NULL;
 411         TALLOC_CTX *frame;
 412
 413         frame = talloc_stackframe();
 414
 415         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z",
 416                                          discard_const_p(char *, kwnames),
 417                                          &fname, &service)) {
 418                 TALLOC_FREE(frame);
 419                 return NULL;
 420         }
 421
 422         conn = get_conn(frame, service);
 423         if (!conn) {
 424                 TALLOC_FREE(frame);
 425                 return NULL;
 426         }
 427
 428         status = create_synthetic_smb_fname_split(frame, fname, NULL,
 429                                                   &smb_fname);
 430         if (!NT_STATUS_IS_OK(status)) {
 431                 TALLOC_FREE(frame);
 432                 PyErr_NTSTATUS_IS_ERR_RAISE(status);
 433         }
 434
 435         ret = SMB_VFS_UNLINK(conn, smb_fname);
 436         if (ret != 0) {
 437                 status = map_nt_error_from_unix_common(errno);
 438                 DEBUG(0,("unlink returned failure: %s\n", strerror(errno)));
 439         }
 440
 441         TALLOC_FREE(frame);
 442
 443         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 444
 445         Py_RETURN_NONE;
 446 }
 447
 448 /*
 449   check if we have ACL support
 450  */
 451 static PyObject *py_smbd_have_posix_acls(PyObject *self)
 452 {
 453 #ifdef HAVE_POSIX_ACLS
 454         return PyBool_FromLong(true);
 455 #else
 456         return PyBool_FromLong(false);
 457 #endif
 458 }
 459
 460 /*
 461   set the NT ACL on a file
 462  */
 463 static PyObject *py_smbd_set_nt_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 464 {
 465         const char * const kwnames[] = { "fname", "security_info_sent", "sd", "service", NULL };
 466         NTSTATUS status;
 467         char *fname, *service = NULL;
 468         int security_info_sent;
 469         PyObject *py_sd;
 470         struct security_descriptor *sd;
 471         connection_struct *conn;
 472         TALLOC_CTX *frame;
 473
 474         frame = talloc_stackframe();
 475
 476         if (!PyArg_ParseTupleAndKeywords(args, kwargs,
 477                                          "siO|z", discard_const_p(char *, kwnames),
 478                                          &fname, &security_info_sent, &py_sd, &service)) {
 479                 TALLOC_FREE(frame);
 480                 return NULL;
 481         }
 482
 483         if (!py_check_dcerpc_type(py_sd, "samba.dcerpc.security", "descriptor")) {
 484                 TALLOC_FREE(frame);
 485                 return NULL;
 486         }
 487
 488         conn = get_conn(frame, service);
 489         if (!conn) {
 490                 TALLOC_FREE(frame);
 491                 return NULL;
 492         }
 493
 494         sd = pytalloc_get_type(py_sd, struct security_descriptor);
 495
 496         status = set_nt_acl_conn(fname, security_info_sent, sd, conn);
 497         TALLOC_FREE(frame);
 498         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 499
 500         Py_RETURN_NONE;
 501 }
 502
 503 /*
 504   Return the NT ACL on a file
 505  */
 506 static PyObject *py_smbd_get_nt_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 507 {
 508         const char * const kwnames[] = { "fname", "security_info_wanted", "service", NULL };
 509         char *fname, *service = NULL;
 510         int security_info_wanted;
 511         PyObject *py_sd;
 512         struct security_descriptor *sd;
 513         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
 514         connection_struct *conn;
 515         NTSTATUS status;
 516
 517         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|z", discard_const_p(char *, kwnames),
 518                                          &fname, &security_info_wanted, &service)) {
 519                 TALLOC_FREE(tmp_ctx);
 520                 return NULL;
 521         }
 522
 523         conn = get_conn(tmp_ctx, service);
 524         if (!conn) {
 525                 TALLOC_FREE(tmp_ctx);
 526                 return NULL;
 527         }
 528
 529         status = get_nt_acl_conn(tmp_ctx, fname, conn, security_info_wanted, &sd);
 530         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 531
 532         py_sd = py_return_ndr_struct("samba.dcerpc.security", "descriptor", sd, sd);
 533
 534         TALLOC_FREE(tmp_ctx);
 535
 536         return py_sd;
 537 }
 538
 539 /*
 540   set the posix (or similar) ACL on a file
 541  */
 542 static PyObject *py_smbd_set_sys_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 543 {
 544         const char * const kwnames[] = { "fname", "acl_type", "acl", "service", NULL };
 545         TALLOC_CTX *frame = talloc_stackframe();
 546         NTSTATUS status;
 547         char *fname, *service = NULL;
 548         PyObject *py_acl;
 549         struct smb_acl_t *acl;
 550         int acl_type;
 551         connection_struct *conn;
 552
 553         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "siO|z",
 554                                          discard_const_p(char *, kwnames),
 555                                          &fname, &acl_type, &py_acl, &service)) {
 556                 TALLOC_FREE(frame);
 557                 return NULL;
 558         }
 559
 560         if (!py_check_dcerpc_type(py_acl, "samba.dcerpc.smb_acl", "t")) {
 561                 TALLOC_FREE(frame);
 562                 return NULL;
 563         }
 564
 565         conn = get_conn(frame, service);
 566         if (!conn) {
 567                 TALLOC_FREE(frame);
 568                 return NULL;
 569         }
 570
 571         acl = pytalloc_get_type(py_acl, struct smb_acl_t);
 572
 573         status = set_sys_acl_conn(fname, acl_type, acl, conn);
 574         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 575
 576         TALLOC_FREE(frame);
 577         Py_RETURN_NONE;
 578 }
 579
 580 /*
 581   Return the posix (or similar) ACL on a file
 582  */
 583 static PyObject *py_smbd_get_sys_acl(PyObject *self, PyObject *args, PyObject *kwargs)
 584 {
 585         const char * const kwnames[] = { "fname", "acl_type", "service", NULL };
 586         char *fname;
 587         PyObject *py_acl;
 588         struct smb_acl_t *acl;
 589         int acl_type;
 590         TALLOC_CTX *frame = talloc_stackframe();
 591         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
 592         connection_struct *conn;
 593         NTSTATUS status = NT_STATUS_OK;
 594         char *service = NULL;
 595         if (!tmp_ctx) {
 596                 PyErr_NoMemory();
 597                 return NULL;
 598         }
 599
 600         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|z",
 601                                          discard_const_p(char *, kwnames),
 602                                          &fname, &acl_type, &service)) {
 603                 TALLOC_FREE(frame);
 604                 TALLOC_FREE(tmp_ctx);
 605                 return NULL;
 606         }
 607
 608         conn = get_conn(frame, service);
 609         if (!conn) {
 610                 TALLOC_FREE(frame);
 611                 TALLOC_FREE(tmp_ctx);
 612                 return NULL;
 613         }
 614
 615         acl = SMB_VFS_SYS_ACL_GET_FILE( conn, fname, acl_type, tmp_ctx);
 616         if (!acl) {
 617                 TALLOC_FREE(frame);
 618                 TALLOC_FREE(tmp_ctx);
 619                 status = map_nt_error_from_unix_common(errno);
 620                 DEBUG(0,("sys_acl_get_file returned NULL: %s\n", strerror(errno)));
 621                 PyErr_NTSTATUS_IS_ERR_RAISE(status);
 622         }
 623
 624         py_acl = py_return_ndr_struct("samba.dcerpc.smb_acl", "t", acl, acl);
 625
 626         TALLOC_FREE(frame);
 627         TALLOC_FREE(tmp_ctx);
 628
 629         return py_acl;
 630 }
 631
 632 static PyMethodDef py_smbd_methods[] = {
 633         { "have_posix_acls",
 634                 (PyCFunction)py_smbd_have_posix_acls, METH_NOARGS,
 635                 NULL },
 636         { "set_simple_acl",
 637                 (PyCFunction)py_smbd_set_simple_acl, METH_VARARGS|METH_KEYWORDS,
 638                 NULL },
 639         { "set_nt_acl",
 640                 (PyCFunction)py_smbd_set_nt_acl, METH_VARARGS|METH_KEYWORDS,
 641                 NULL },
 642         { "get_nt_acl",
 643                 (PyCFunction)py_smbd_get_nt_acl, METH_VARARGS|METH_KEYWORDS,
 644                 NULL },
 645         { "get_sys_acl",
 646                 (PyCFunction)py_smbd_get_sys_acl, METH_VARARGS|METH_KEYWORDS,
 647                 NULL },
 648         { "set_sys_acl",
 649                 (PyCFunction)py_smbd_set_sys_acl, METH_VARARGS|METH_KEYWORDS,
 650                 NULL },
 651         { "chown",
 652                 (PyCFunction)py_smbd_chown, METH_VARARGS|METH_KEYWORDS,
 653                 NULL },
 654         { "unlink",
 655                 (PyCFunction)py_smbd_unlink, METH_VARARGS|METH_KEYWORDS,
 656                 NULL },
 657         { NULL }
 658 };
 659
 660 void initsmbd(void);
 661 void initsmbd(void)
 662 {
 663         PyObject *m;
 664
 665         m = Py_InitModule3("smbd", py_smbd_methods,
 666                            "Python bindings for the smbd file server.");
 667         if (m == NULL)
 668                 return;
 669
 670 }