source3/modules/vfs_catia.c

   1 /*
   2  * Catia VFS module
   3  *
   4  * Implement a fixed mapping of forbidden NT characters in filenames that are
   5  * used a lot by the CAD package Catia.
   6  *
   7  * Yes, this a BAD BAD UGLY INCOMPLETE hack, but it helps quite some people
   8  * out there. Catia V4 on AIX uses characters like "<*$ a *lot*, all forbidden
   9  * under Windows...
  10  *
  11  * Copyright (C) Volker Lendecke, 2005
  12  * Copyright (C) Aravind Srinivasan, 2009
  13  * Copyright (C) Guenter Kukkukk, 2013
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 3 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  27  */
  28
  29
  30 #include "includes.h"
  31 #include "smbd/smbd.h"
  32
  33 static int vfs_catia_debug_level = DBGC_VFS;
  34
  35 #undef DBGC_CLASS
  36 #define DBGC_CLASS vfs_catia_debug_level
  37
  38 #define GLOBAL_SNUM     0xFFFFFFF
  39 #define MAP_SIZE        0xFF
  40 #define MAP_NUM         0x101 /* max unicode charval / MAP_SIZE */
  41 #define T_OFFSET(_v_)   ((_v_ % MAP_SIZE))
  42 #define T_START(_v_)    (((_v_ / MAP_SIZE) * MAP_SIZE))
  43 #define T_PICK(_v_)     ((_v_ / MAP_SIZE))
  44
  45 struct char_mappings {
  46         smb_ucs2_t entry[MAP_SIZE][2];
  47 };
  48
  49 struct share_mapping_entry {
  50         int snum;
  51         struct share_mapping_entry *next;
  52         struct char_mappings **mappings;
  53 };
  54
  55 struct share_mapping_entry *srt_head = NULL;
  56
  57 static bool build_table(struct char_mappings **cmaps, int value)
  58 {
  59         int i;
  60         int start = T_START(value);
  61
  62         (*cmaps) = talloc_zero(NULL, struct char_mappings);
  63
  64         if (!*cmaps)
  65                 return False;
  66
  67         for (i = 0; i < MAP_SIZE;i++) {
  68                 (*cmaps)->entry[i][vfs_translate_to_unix] = start + i;
  69                 (*cmaps)->entry[i][vfs_translate_to_windows] = start + i;
  70         }
  71
  72         return True;
  73 }
  74
  75 static void set_tables(struct char_mappings **cmaps,
  76                        long unix_map,
  77                        long windows_map)
  78 {
  79         int i;
  80
  81         /* set unix -> windows */
  82         i = T_OFFSET(unix_map);
  83         cmaps[T_PICK(unix_map)]->entry[i][vfs_translate_to_windows] = windows_map;
  84
  85         /* set windows -> unix */
  86         i = T_OFFSET(windows_map);
  87         cmaps[T_PICK(windows_map)]->entry[i][vfs_translate_to_unix] = unix_map;
  88 }
  89
  90 static bool build_ranges(struct char_mappings **cmaps,
  91                          long unix_map,
  92                          long windows_map)
  93 {
  94
  95         if (!cmaps[T_PICK(unix_map)]) {
  96                 if (!build_table(&cmaps[T_PICK(unix_map)], unix_map))
  97                         return False;
  98         }
  99
 100         if (!cmaps[T_PICK(windows_map)]) {
 101                 if (!build_table(&cmaps[T_PICK(windows_map)], windows_map))
 102                         return False;
 103         }
 104
 105         set_tables(cmaps, unix_map, windows_map);
 106
 107         return True;
 108 }
 109
 110 static struct share_mapping_entry *get_srt(connection_struct *conn,
 111                                            struct share_mapping_entry **global)
 112 {
 113         struct share_mapping_entry *share;
 114
 115         for (share = srt_head; share != NULL; share = share->next) {
 116                 if (share->snum == GLOBAL_SNUM)
 117                         (*global) = share;
 118
 119                 if (share->snum == SNUM(conn))
 120                         return share;
 121         }
 122
 123         return share;
 124 }
 125
 126 static struct share_mapping_entry *add_srt(int snum, const char **mappings)
 127 {
 128
 129         char *tmp;
 130         fstring mapping;
 131         int i;
 132         long unix_map, windows_map;
 133         struct share_mapping_entry *ret = NULL;
 134
 135         ret = (struct share_mapping_entry *)
 136                 TALLOC_ZERO(NULL, sizeof(struct share_mapping_entry) +
 137                 (mappings ? (MAP_NUM * sizeof(struct char_mappings *)) : 0));
 138
 139         if (!ret)
 140                 return ret;
 141
 142         ret->snum = snum;
 143
 144         if (mappings) {
 145                 ret->mappings = (struct char_mappings**) ((unsigned char*) ret +
 146                     sizeof(struct share_mapping_entry));
 147                 memset(ret->mappings, 0,
 148                     MAP_NUM * sizeof(struct char_mappings *));
 149         } else {
 150                 ret->mappings = NULL;
 151                 return ret;
 152         }
 153
 154         /*
 155          * catia mappings are of the form :
 156          * UNIX char (in 0xnn hex) : WINDOWS char (in 0xnn hex)
 157          *
 158          * multiple mappings are comma separated in smb.conf
 159          */
 160         for (i=0;mappings[i];i++) {
 161                 fstrcpy(mapping, mappings[i]);
 162                 unix_map = strtol(mapping, &tmp, 16);
 163                 if (unix_map == 0 && errno == EINVAL) {
 164                         DEBUG(0, ("INVALID CATIA MAPPINGS - %s\n", mapping));
 165                         continue;
 166                 }
 167                 windows_map = strtol(++tmp, NULL, 16);
 168                 if (windows_map == 0 && errno == EINVAL) {
 169                         DEBUG(0, ("INVALID CATIA MAPPINGS - %s\n", mapping));
 170                         continue;
 171                 }
 172
 173                 if (!build_ranges(ret->mappings, unix_map, windows_map)) {
 174                         DEBUG(0, ("TABLE ERROR - CATIA MAPPINGS - %s\n", mapping));
 175                         continue;
 176                 }
 177         }
 178
 179         ret->next = srt_head;
 180         srt_head = ret;
 181
 182         return ret;
 183 }
 184
 185 static bool init_mappings(connection_struct *conn,
 186                           struct share_mapping_entry **selected_out)
 187 {
 188         const char **mappings = NULL;
 189         struct share_mapping_entry *share_level = NULL;
 190         struct share_mapping_entry *global = NULL;
 191
 192         /* check srt cache */
 193         share_level = get_srt(conn, &global);
 194         if (share_level) {
 195                 *selected_out = share_level;
 196                 return (share_level->mappings != NULL);
 197         }
 198
 199         /* see if we have a global setting */
 200         if (!global) {
 201                 /* global setting */
 202                 mappings = lp_parm_string_list(-1, "catia", "mappings", NULL);
 203                 global = add_srt(GLOBAL_SNUM, mappings);
 204         }
 205
 206         /* no global setting - what about share level ? */
 207         mappings = lp_parm_string_list(SNUM(conn), "catia", "mappings", NULL);
 208         share_level = add_srt(SNUM(conn), mappings);
 209
 210         if (share_level->mappings) {
 211                 (*selected_out) = share_level;
 212                 return True;
 213         }
 214         if (global->mappings) {
 215                 share_level->mappings = global->mappings;
 216                 (*selected_out) = share_level;
 217                 return True;
 218         }
 219
 220         return False;
 221 }
 222
 223 static NTSTATUS catia_string_replace_allocate(connection_struct *conn,
 224                                               const char *name_in,
 225                                               char **mapped_name,
 226                                         enum vfs_translate_direction direction)
 227 {
 228         static smb_ucs2_t *tmpbuf = NULL;
 229         smb_ucs2_t *ptr;
 230         struct share_mapping_entry *selected;
 231         struct char_mappings *map = NULL;
 232         size_t converted_size;
 233         TALLOC_CTX *ctx = talloc_tos();
 234
 235         if (!init_mappings(conn, &selected)) {
 236                 /* No mappings found. Just use the old name */
 237                 *mapped_name = talloc_strdup(NULL, name_in);
 238                 if (!*mapped_name) {
 239                         errno = ENOMEM;
 240                         return NT_STATUS_NO_MEMORY;
 241                 }
 242                 return NT_STATUS_OK;
 243         }
 244
 245         if ((push_ucs2_talloc(ctx, &tmpbuf, name_in,
 246                               &converted_size)) == false) {
 247                 return map_nt_error_from_unix(errno);
 248         }
 249         ptr = tmpbuf;
 250         for(;*ptr;ptr++) {
 251                 if (*ptr == 0)
 252                         break;
 253                 map = selected->mappings[T_PICK((*ptr))];
 254
 255                 /* nothing to do */
 256                 if (!map)
 257                         continue;
 258
 259                 *ptr = map->entry[T_OFFSET((*ptr))][direction];
 260         }
 261
 262         if ((pull_ucs2_talloc(ctx, mapped_name, tmpbuf,
 263                               &converted_size)) == false) {
 264                 TALLOC_FREE(tmpbuf);
 265                 return map_nt_error_from_unix(errno);
 266         }
 267         TALLOC_FREE(tmpbuf);
 268         return NT_STATUS_OK;
 269 }
 270
 271 static DIR *catia_opendir(vfs_handle_struct *handle,
 272                         const struct smb_filename *smb_fname,
 273                         const char *mask,
 274                         uint32_t attr)
 275 {
 276         char *name_mapped = NULL;
 277         NTSTATUS status;
 278         DIR *ret;
 279         struct smb_filename *mapped_smb_fname = NULL;
 280
 281         status = catia_string_replace_allocate(handle->conn,
 282                                 smb_fname->base_name,
 283                                 &name_mapped,
 284                                 vfs_translate_to_unix);
 285         if (!NT_STATUS_IS_OK(status)) {
 286                 errno = map_errno_from_nt_status(status);
 287                 return NULL;
 288         }
 289
 290         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
 291                                 name_mapped,
 292                                 NULL,
 293                                 NULL);
 294         if (mapped_smb_fname == NULL) {
 295                 TALLOC_FREE(mapped_smb_fname);
 296                 errno = ENOMEM;
 297                 return NULL;
 298         }
 299
 300         ret = SMB_VFS_NEXT_OPENDIR(handle, mapped_smb_fname, mask, attr);
 301
 302         TALLOC_FREE(name_mapped);
 303         TALLOC_FREE(mapped_smb_fname);
 304
 305         return ret;
 306 }
 307
 308 /*
 309  * TRANSLATE_NAME call which converts the given name to
 310  * "WINDOWS displayable" name
 311  */
 312 static NTSTATUS catia_translate_name(struct vfs_handle_struct *handle,
 313                                      const char *orig_name,
 314                                      enum vfs_translate_direction direction,
 315                                      TALLOC_CTX *mem_ctx,
 316                                      char **pmapped_name)
 317 {
 318         char *name = NULL;
 319         char *mapped_name;
 320         NTSTATUS status, ret;
 321
 322         /*
 323          * Copy the supplied name and free the memory for mapped_name,
 324          * already allocated by the caller.
 325          * We will be allocating new memory for mapped_name in
 326          * catia_string_replace_allocate
 327          */
 328         name = talloc_strdup(talloc_tos(), orig_name);
 329         if (!name) {
 330                 errno = ENOMEM;
 331                 return NT_STATUS_NO_MEMORY;
 332         }
 333         status = catia_string_replace_allocate(handle->conn, name,
 334                         &mapped_name, direction);
 335
 336         TALLOC_FREE(name);
 337         if (!NT_STATUS_IS_OK(status)) {
 338                 return status;
 339         }
 340
 341         ret = SMB_VFS_NEXT_TRANSLATE_NAME(handle, mapped_name, direction,
 342                                           mem_ctx, pmapped_name);
 343
 344         if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
 345                 *pmapped_name = talloc_move(mem_ctx, &mapped_name);
 346                 /* we need to return the former translation result here */
 347                 ret = status;
 348         } else {
 349                 TALLOC_FREE(mapped_name);
 350         }
 351
 352         return ret;
 353 }
 354
 355 static int catia_open(vfs_handle_struct *handle,
 356                       struct smb_filename *smb_fname,
 357                       files_struct *fsp,
 358                       int flags,
 359                       mode_t mode)
 360 {
 361         char *name_mapped = NULL;
 362         char *tmp_base_name;
 363         int ret;
 364         NTSTATUS status;
 365
 366         tmp_base_name = smb_fname->base_name;
 367         status = catia_string_replace_allocate(handle->conn,
 368                                         smb_fname->base_name,
 369                                         &name_mapped, vfs_translate_to_unix);
 370         if (!NT_STATUS_IS_OK(status)) {
 371                 errno = map_errno_from_nt_status(status);
 372                 return -1;
 373         }
 374
 375         smb_fname->base_name = name_mapped;
 376         ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
 377         smb_fname->base_name = tmp_base_name;
 378         TALLOC_FREE(name_mapped);
 379
 380         return ret;
 381 }
 382
 383 static int catia_rename(vfs_handle_struct *handle,
 384                         const struct smb_filename *smb_fname_src,
 385                         const struct smb_filename *smb_fname_dst)
 386 {
 387         TALLOC_CTX *ctx = talloc_tos();
 388         struct smb_filename *smb_fname_src_tmp = NULL;
 389         struct smb_filename *smb_fname_dst_tmp = NULL;
 390         char *src_name_mapped = NULL;
 391         char *dst_name_mapped = NULL;
 392         NTSTATUS status;
 393         int ret = -1;
 394
 395         status = catia_string_replace_allocate(handle->conn,
 396                                 smb_fname_src->base_name,
 397                                 &src_name_mapped, vfs_translate_to_unix);
 398         if (!NT_STATUS_IS_OK(status)) {
 399                 errno = map_errno_from_nt_status(status);
 400                 return -1;
 401         }
 402
 403         status = catia_string_replace_allocate(handle->conn,
 404                                 smb_fname_dst->base_name,
 405                                 &dst_name_mapped, vfs_translate_to_unix);
 406         if (!NT_STATUS_IS_OK(status)) {
 407                 errno = map_errno_from_nt_status(status);
 408                 return -1;
 409         }
 410
 411         /* Setup temporary smb_filename structs. */
 412         smb_fname_src_tmp = cp_smb_filename(ctx, smb_fname_src);
 413         if (smb_fname_src_tmp == NULL) {
 414                 errno = ENOMEM;
 415                 goto out;
 416         }
 417
 418         smb_fname_dst_tmp = cp_smb_filename(ctx, smb_fname_dst);
 419         if (smb_fname_dst_tmp == NULL) {
 420                 errno = ENOMEM;
 421                 goto out;
 422         }
 423
 424         smb_fname_src_tmp->base_name = src_name_mapped;
 425         smb_fname_dst_tmp->base_name = dst_name_mapped;
 426         DEBUG(10, ("converted old name: %s\n",
 427                                 smb_fname_str_dbg(smb_fname_src_tmp)));
 428         DEBUG(10, ("converted new name: %s\n",
 429                                 smb_fname_str_dbg(smb_fname_dst_tmp)));
 430
 431         ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src_tmp,
 432                         smb_fname_dst_tmp);
 433 out:
 434         TALLOC_FREE(src_name_mapped);
 435         TALLOC_FREE(dst_name_mapped);
 436         TALLOC_FREE(smb_fname_src_tmp);
 437         TALLOC_FREE(smb_fname_dst_tmp);
 438         return ret;
 439 }
 440
 441 static int catia_stat(vfs_handle_struct *handle,
 442                       struct smb_filename *smb_fname)
 443 {
 444         char *name = NULL;
 445         char *tmp_base_name;
 446         int ret;
 447         NTSTATUS status;
 448
 449         status = catia_string_replace_allocate(handle->conn,
 450                                 smb_fname->base_name,
 451                                 &name, vfs_translate_to_unix);
 452         if (!NT_STATUS_IS_OK(status)) {
 453                 errno = map_errno_from_nt_status(status);
 454                 return -1;
 455         }
 456
 457         tmp_base_name = smb_fname->base_name;
 458         smb_fname->base_name = name;
 459
 460         ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
 461         smb_fname->base_name = tmp_base_name;
 462
 463         TALLOC_FREE(name);
 464         return ret;
 465 }
 466
 467 static int catia_lstat(vfs_handle_struct *handle,
 468                        struct smb_filename *smb_fname)
 469 {
 470         char *name = NULL;
 471         char *tmp_base_name;
 472         int ret;
 473         NTSTATUS status;
 474
 475         status = catia_string_replace_allocate(handle->conn,
 476                                 smb_fname->base_name,
 477                                 &name, vfs_translate_to_unix);
 478         if (!NT_STATUS_IS_OK(status)) {
 479                 errno = map_errno_from_nt_status(status);
 480                 return -1;
 481         }
 482
 483         tmp_base_name = smb_fname->base_name;
 484         smb_fname->base_name = name;
 485
 486         ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
 487         smb_fname->base_name = tmp_base_name;
 488         TALLOC_FREE(name);
 489
 490         return ret;
 491 }
 492
 493 static int catia_unlink(vfs_handle_struct *handle,
 494                         const struct smb_filename *smb_fname)
 495 {
 496         struct smb_filename *smb_fname_tmp = NULL;
 497         char *name = NULL;
 498         NTSTATUS status;
 499         int ret;
 500
 501         status = catia_string_replace_allocate(handle->conn,
 502                                         smb_fname->base_name,
 503                                         &name, vfs_translate_to_unix);
 504         if (!NT_STATUS_IS_OK(status)) {
 505                 errno = map_errno_from_nt_status(status);
 506                 return -1;
 507         }
 508
 509         /* Setup temporary smb_filename structs. */
 510         smb_fname_tmp = cp_smb_filename(talloc_tos(), smb_fname);
 511         if (smb_fname_tmp == NULL) {
 512                 errno = ENOMEM;
 513                 return -1;
 514         }
 515
 516         smb_fname_tmp->base_name = name;
 517         ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname_tmp);
 518         TALLOC_FREE(smb_fname_tmp);
 519         TALLOC_FREE(name);
 520
 521         return ret;
 522 }
 523
 524 static int catia_chown(vfs_handle_struct *handle,
 525                        const struct smb_filename *smb_fname,
 526                        uid_t uid,
 527                        gid_t gid)
 528 {
 529         char *name = NULL;
 530         NTSTATUS status;
 531         int ret;
 532         int saved_errno;
 533         struct smb_filename *catia_smb_fname = NULL;
 534
 535         status = catia_string_replace_allocate(handle->conn,
 536                                         smb_fname->base_name,
 537                                         &name,
 538                                         vfs_translate_to_unix);
 539         if (!NT_STATUS_IS_OK(status)) {
 540                 errno = map_errno_from_nt_status(status);
 541                 return -1;
 542         }
 543         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 544                                         name,
 545                                         NULL,
 546                                         NULL);
 547         if (catia_smb_fname == NULL) {
 548                 TALLOC_FREE(name);
 549                 errno = ENOMEM;
 550                 return -1;
 551         }
 552
 553         ret = SMB_VFS_NEXT_CHOWN(handle, catia_smb_fname, uid, gid);
 554         saved_errno = errno;
 555         TALLOC_FREE(name);
 556         TALLOC_FREE(catia_smb_fname);
 557         errno = saved_errno;
 558         return ret;
 559 }
 560
 561 static int catia_lchown(vfs_handle_struct *handle,
 562                         const char *path,
 563                         uid_t uid,
 564                         gid_t gid)
 565 {
 566         char *name = NULL;
 567         NTSTATUS status;
 568         int ret;
 569
 570         status = catia_string_replace_allocate(handle->conn, path,
 571                                         &name, vfs_translate_to_unix);
 572         if (!NT_STATUS_IS_OK(status)) {
 573                 errno = map_errno_from_nt_status(status);
 574                 return -1;
 575         }
 576
 577         ret = SMB_VFS_NEXT_LCHOWN(handle, name, uid, gid);
 578         TALLOC_FREE(name);
 579
 580         return ret;
 581 }
 582
 583 static int catia_chmod(vfs_handle_struct *handle,
 584                         const struct smb_filename *smb_fname,
 585                         mode_t mode)
 586 {
 587         char *name = NULL;
 588         NTSTATUS status;
 589         int ret;
 590         int saved_errno;
 591         struct smb_filename *catia_smb_fname = NULL;
 592
 593         status = catia_string_replace_allocate(handle->conn,
 594                                         smb_fname->base_name,
 595                                         &name,
 596                                         vfs_translate_to_unix);
 597         if (!NT_STATUS_IS_OK(status)) {
 598                 errno = map_errno_from_nt_status(status);
 599                 return -1;
 600         }
 601         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 602                                         name,
 603                                         NULL,
 604                                         NULL);
 605         if (catia_smb_fname == NULL) {
 606                 TALLOC_FREE(name);
 607                 errno = ENOMEM;
 608                 return -1;
 609         }
 610
 611         ret = SMB_VFS_NEXT_CHMOD(handle, catia_smb_fname, mode);
 612         saved_errno = errno;
 613         TALLOC_FREE(name);
 614         TALLOC_FREE(catia_smb_fname);
 615         errno = saved_errno;
 616         return ret;
 617 }
 618
 619 static int catia_rmdir(vfs_handle_struct *handle,
 620                        const struct smb_filename *smb_fname)
 621 {
 622         char *name = NULL;
 623         NTSTATUS status;
 624         int ret;
 625         struct smb_filename *catia_smb_fname = NULL;
 626
 627         status = catia_string_replace_allocate(handle->conn,
 628                                 smb_fname->base_name,
 629                                 &name,
 630                                 vfs_translate_to_unix);
 631         if (!NT_STATUS_IS_OK(status)) {
 632                 errno = map_errno_from_nt_status(status);
 633                 return -1;
 634         }
 635         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 636                                         name,
 637                                         NULL,
 638                                         NULL);
 639         if (catia_smb_fname == NULL) {
 640                 TALLOC_FREE(name);
 641                 errno = ENOMEM;
 642                 return -1;
 643         }
 644
 645         ret = SMB_VFS_NEXT_RMDIR(handle, catia_smb_fname);
 646         TALLOC_FREE(name);
 647         TALLOC_FREE(catia_smb_fname);
 648
 649         return ret;
 650 }
 651
 652 static int catia_mkdir(vfs_handle_struct *handle,
 653                        const struct smb_filename *smb_fname,
 654                        mode_t mode)
 655 {
 656         char *name = NULL;
 657         NTSTATUS status;
 658         int ret;
 659         struct smb_filename *catia_smb_fname = NULL;
 660
 661         status = catia_string_replace_allocate(handle->conn,
 662                                 smb_fname->base_name,
 663                                 &name,
 664                                 vfs_translate_to_unix);
 665         if (!NT_STATUS_IS_OK(status)) {
 666                 errno = map_errno_from_nt_status(status);
 667                 return -1;
 668         }
 669         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 670                                         name,
 671                                         NULL,
 672                                         NULL);
 673         if (catia_smb_fname == NULL) {
 674                 TALLOC_FREE(name);
 675                 errno = ENOMEM;
 676                 return -1;
 677         }
 678
 679         ret = SMB_VFS_NEXT_MKDIR(handle, catia_smb_fname, mode);
 680         TALLOC_FREE(name);
 681         TALLOC_FREE(catia_smb_fname);
 682
 683         return ret;
 684 }
 685
 686 static int catia_chdir(vfs_handle_struct *handle,
 687                        const char *path)
 688 {
 689         char *name = NULL;
 690         NTSTATUS status;
 691         int ret;
 692
 693         status = catia_string_replace_allocate(handle->conn, path,
 694                                         &name, vfs_translate_to_unix);
 695         if (!NT_STATUS_IS_OK(status)) {
 696                 errno = map_errno_from_nt_status(status);
 697                 return -1;
 698         }
 699
 700         ret = SMB_VFS_NEXT_CHDIR(handle, name);
 701         TALLOC_FREE(name);
 702
 703         return ret;
 704 }
 705
 706 static int catia_ntimes(vfs_handle_struct *handle,
 707                         const struct smb_filename *smb_fname,
 708                         struct smb_file_time *ft)
 709 {
 710         struct smb_filename *smb_fname_tmp = NULL;
 711         char *name = NULL;
 712         NTSTATUS status;
 713         int ret;
 714
 715         status = catia_string_replace_allocate(handle->conn,
 716                                 smb_fname->base_name,
 717                                 &name, vfs_translate_to_unix);
 718         if (!NT_STATUS_IS_OK(status)) {
 719                 errno = map_errno_from_nt_status(status);
 720                 return -1;
 721         }
 722
 723         smb_fname_tmp = cp_smb_filename(talloc_tos(), smb_fname);
 724         if (smb_fname_tmp == NULL) {
 725                 errno = ENOMEM;
 726                 return -1;
 727         }
 728
 729         smb_fname_tmp->base_name = name;
 730         ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname_tmp, ft);
 731         TALLOC_FREE(name);
 732         TALLOC_FREE(smb_fname_tmp);
 733
 734         return ret;
 735 }
 736
 737 static char *
 738 catia_realpath(vfs_handle_struct *handle, const char *path)
 739 {
 740         char *mapped_name = NULL;
 741         NTSTATUS status;
 742         char *ret = NULL;
 743
 744         status = catia_string_replace_allocate(handle->conn, path,
 745                                         &mapped_name, vfs_translate_to_unix);
 746         if (!NT_STATUS_IS_OK(status)) {
 747                 errno = map_errno_from_nt_status(status);
 748                 return NULL;
 749         }
 750
 751         ret = SMB_VFS_NEXT_REALPATH(handle, mapped_name);
 752         TALLOC_FREE(mapped_name);
 753
 754         return ret;
 755 }
 756
 757 static int catia_chflags(struct vfs_handle_struct *handle,
 758                          const char *path, unsigned int flags)
 759 {
 760         char *mapped_name = NULL;
 761         NTSTATUS status;
 762         int ret;
 763
 764         status = catia_string_replace_allocate(handle->conn, path,
 765                                         &mapped_name, vfs_translate_to_unix);
 766         if (!NT_STATUS_IS_OK(status)) {
 767                 errno = map_errno_from_nt_status(status);
 768                 return -1;
 769         }
 770
 771         ret = SMB_VFS_NEXT_CHFLAGS(handle, mapped_name, flags);
 772         TALLOC_FREE(mapped_name);
 773
 774         return ret;
 775 }
 776
 777 static NTSTATUS
 778 catia_streaminfo(struct vfs_handle_struct *handle,
 779                  struct files_struct *fsp,
 780                  const char *path,
 781                  TALLOC_CTX *mem_ctx,
 782                  unsigned int *_num_streams,
 783                  struct stream_struct **_streams)
 784 {
 785         char *mapped_name = NULL;
 786         NTSTATUS status;
 787         int i;
 788         unsigned int num_streams = 0;
 789         struct stream_struct *streams = NULL;
 790
 791         *_num_streams = 0;
 792         *_streams = NULL;
 793
 794         status = catia_string_replace_allocate(handle->conn, path,
 795                                         &mapped_name, vfs_translate_to_unix);
 796         if (!NT_STATUS_IS_OK(status)) {
 797                 errno = map_errno_from_nt_status(status);
 798                 return status;
 799         }
 800
 801         status = SMB_VFS_NEXT_STREAMINFO(handle, fsp, mapped_name,
 802                                          mem_ctx, &num_streams, &streams);
 803         TALLOC_FREE(mapped_name);
 804         if (!NT_STATUS_IS_OK(status)) {
 805                 return status;
 806         }
 807
 808         /*
 809          * Translate stream names just like the base names
 810          */
 811         for (i = 0; i < num_streams; i++) {
 812                 /*
 813                  * Strip ":" prefix and ":$DATA" suffix to get a
 814                  * "pure" stream name and only translate that.
 815                  */
 816                 void *old_ptr = streams[i].name;
 817                 char *stream_name = streams[i].name + 1;
 818                 char *stream_type = strrchr_m(stream_name, ':');
 819
 820                 if (stream_type != NULL) {
 821                         *stream_type = '\0';
 822                         stream_type += 1;
 823                 }
 824
 825                 status = catia_string_replace_allocate(handle->conn, stream_name,
 826                                                        &mapped_name, vfs_translate_to_windows);
 827                 if (!NT_STATUS_IS_OK(status)) {
 828                         TALLOC_FREE(streams);
 829                         return status;
 830                 }
 831
 832                 if (stream_type != NULL) {
 833                         streams[i].name = talloc_asprintf(streams, ":%s:%s",
 834                                                           mapped_name, stream_type);
 835                 } else {
 836                         streams[i].name = talloc_asprintf(streams, ":%s",
 837                                                           mapped_name);
 838                 }
 839                 TALLOC_FREE(mapped_name);
 840                 TALLOC_FREE(old_ptr);
 841                 if (streams[i].name == NULL) {
 842                         TALLOC_FREE(streams);
 843                         return NT_STATUS_NO_MEMORY;
 844                 }
 845         }
 846
 847         *_num_streams = num_streams;
 848         *_streams = streams;
 849         return NT_STATUS_OK;
 850 }
 851
 852 static NTSTATUS
 853 catia_get_nt_acl(struct vfs_handle_struct *handle,
 854                  const struct smb_filename *smb_fname,
 855                  uint32_t security_info,
 856                  TALLOC_CTX *mem_ctx,
 857                  struct security_descriptor **ppdesc)
 858 {
 859         char *mapped_name = NULL;
 860         const char *path = smb_fname->base_name;
 861         struct smb_filename *mapped_smb_fname = NULL;
 862         NTSTATUS status;
 863
 864         status = catia_string_replace_allocate(handle->conn,
 865                                 path, &mapped_name, vfs_translate_to_unix);
 866         if (!NT_STATUS_IS_OK(status)) {
 867                 errno = map_errno_from_nt_status(status);
 868                 return status;
 869         }
 870         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
 871                                         mapped_name,
 872                                         NULL,
 873                                         NULL);
 874         if (mapped_smb_fname == NULL) {
 875                 TALLOC_FREE(mapped_name);
 876                 return NT_STATUS_NO_MEMORY;
 877         }
 878
 879         status = SMB_VFS_NEXT_GET_NT_ACL(handle, mapped_smb_fname,
 880                                          security_info, mem_ctx, ppdesc);
 881         TALLOC_FREE(mapped_name);
 882         TALLOC_FREE(mapped_smb_fname);
 883
 884         return status;
 885 }
 886
 887 static int
 888 catia_chmod_acl(vfs_handle_struct *handle,
 889                 const struct smb_filename *smb_fname,
 890                 mode_t mode)
 891 {
 892         char *mapped_name = NULL;
 893         struct smb_filename *mapped_smb_fname = NULL;
 894         NTSTATUS status;
 895         int ret;
 896         int saved_errno;
 897
 898         status = catia_string_replace_allocate(handle->conn,
 899                                 smb_fname->base_name,
 900                                 &mapped_name,
 901                                 vfs_translate_to_unix);
 902         if (!NT_STATUS_IS_OK(status)) {
 903                 errno = map_errno_from_nt_status(status);
 904                 return -1;
 905         }
 906
 907         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
 908                                         mapped_name,
 909                                         NULL,
 910                                         NULL);
 911         if (mapped_smb_fname == NULL) {
 912                 TALLOC_FREE(mapped_name);
 913                 errno = ENOMEM;
 914                 return -1;
 915         }
 916         ret = SMB_VFS_NEXT_CHMOD_ACL(handle, mapped_smb_fname, mode);
 917         saved_errno = errno;
 918         TALLOC_FREE(mapped_name);
 919         TALLOC_FREE(mapped_smb_fname);
 920         errno = saved_errno;
 921         return ret;
 922 }
 923
 924 static SMB_ACL_T
 925 catia_sys_acl_get_file(vfs_handle_struct *handle,
 926                        const char *path,
 927                        SMB_ACL_TYPE_T type,
 928                        TALLOC_CTX *mem_ctx)
 929 {
 930         char *mapped_name = NULL;
 931         NTSTATUS status;
 932         SMB_ACL_T ret;
 933
 934         status = catia_string_replace_allocate(handle->conn,
 935                                 path, &mapped_name, vfs_translate_to_unix);
 936         if (!NT_STATUS_IS_OK(status)) {
 937                 errno = map_errno_from_nt_status(status);
 938                 return NULL;
 939         }
 940
 941         ret = SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, mapped_name, type, mem_ctx);
 942         TALLOC_FREE(mapped_name);
 943
 944         return ret;
 945 }
 946
 947 static int
 948 catia_sys_acl_set_file(vfs_handle_struct *handle,
 949                        const char *path,
 950                        SMB_ACL_TYPE_T type,
 951                        SMB_ACL_T theacl)
 952 {
 953         char *mapped_name = NULL;
 954         NTSTATUS status;
 955         int ret;
 956
 957         status = catia_string_replace_allocate(handle->conn,
 958                                 path, &mapped_name, vfs_translate_to_unix);
 959         if (!NT_STATUS_IS_OK(status)) {
 960                 errno = map_errno_from_nt_status(status);
 961                 return -1;
 962         }
 963
 964         ret = SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, mapped_name, type, theacl);
 965         TALLOC_FREE(mapped_name);
 966
 967         return ret;
 968 }
 969
 970 static int
 971 catia_sys_acl_delete_def_file(vfs_handle_struct *handle,
 972                               const char *path)
 973 {
 974         char *mapped_name = NULL;
 975         NTSTATUS status;
 976         int ret;
 977
 978         status = catia_string_replace_allocate(handle->conn,
 979                                 path, &mapped_name, vfs_translate_to_unix);
 980         if (!NT_STATUS_IS_OK(status)) {
 981                 errno = map_errno_from_nt_status(status);
 982                 return -1;
 983         }
 984
 985         ret = SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, mapped_name);
 986         TALLOC_FREE(mapped_name);
 987
 988         return ret;
 989 }
 990
 991 static ssize_t
 992 catia_getxattr(vfs_handle_struct *handle, const char *path,
 993                const char *name, void *value, size_t size)
 994 {
 995         char *mapped_name = NULL;
 996         NTSTATUS status;
 997         ssize_t ret;
 998
 999         status = catia_string_replace_allocate(handle->conn,
1000                                 name, &mapped_name, vfs_translate_to_unix);
1001         if (!NT_STATUS_IS_OK(status)) {
1002                 errno = map_errno_from_nt_status(status);
1003                 return -1;
1004         }
1005
1006
1007         ret = SMB_VFS_NEXT_GETXATTR(handle, path, mapped_name, value, size);
1008         TALLOC_FREE(mapped_name);
1009
1010         return ret;
1011 }
1012
1013 static ssize_t
1014 catia_listxattr(vfs_handle_struct *handle, const char *path,
1015                 char *list, size_t size)
1016 {
1017         char *mapped_name = NULL;
1018         NTSTATUS status;
1019         ssize_t ret;
1020
1021         status = catia_string_replace_allocate(handle->conn,
1022                                 path, &mapped_name, vfs_translate_to_unix);
1023         if (!NT_STATUS_IS_OK(status)) {
1024                 errno = map_errno_from_nt_status(status);
1025                 return -1;
1026         }
1027
1028
1029         ret = SMB_VFS_NEXT_LISTXATTR(handle, mapped_name, list, size);
1030         TALLOC_FREE(mapped_name);
1031
1032         return ret;
1033 }
1034
1035 static int
1036 catia_removexattr(vfs_handle_struct *handle, const char *path,
1037                   const char *name)
1038 {
1039         char *mapped_name = NULL;
1040         NTSTATUS status;
1041         ssize_t ret;
1042
1043         status = catia_string_replace_allocate(handle->conn,
1044                                 name, &mapped_name, vfs_translate_to_unix);
1045         if (!NT_STATUS_IS_OK(status)) {
1046                 errno = map_errno_from_nt_status(status);
1047                 return -1;
1048         }
1049
1050
1051         ret = SMB_VFS_NEXT_REMOVEXATTR(handle, path, mapped_name);
1052         TALLOC_FREE(mapped_name);
1053
1054         return ret;
1055 }
1056
1057 static int
1058 catia_setxattr(vfs_handle_struct *handle, const char *path,
1059                const char *name, const void *value, size_t size,
1060                int flags)
1061 {
1062         char *mapped_name = NULL;
1063         NTSTATUS status;
1064         ssize_t ret;
1065
1066         status = catia_string_replace_allocate(handle->conn,
1067                                 name, &mapped_name, vfs_translate_to_unix);
1068         if (!NT_STATUS_IS_OK(status)) {
1069                 errno = map_errno_from_nt_status(status);
1070                 return -1;
1071         }
1072
1073
1074         ret = SMB_VFS_NEXT_SETXATTR(handle, path, mapped_name, value, size, flags);
1075         TALLOC_FREE(mapped_name);
1076
1077         return ret;
1078 }
1079
1080 static struct vfs_fn_pointers vfs_catia_fns = {
1081         .mkdir_fn = catia_mkdir,
1082         .rmdir_fn = catia_rmdir,
1083         .opendir_fn = catia_opendir,
1084         .open_fn = catia_open,
1085         .rename_fn = catia_rename,
1086         .stat_fn = catia_stat,
1087         .lstat_fn = catia_lstat,
1088         .unlink_fn = catia_unlink,
1089         .chown_fn = catia_chown,
1090         .lchown_fn = catia_lchown,
1091         .chmod_fn = catia_chmod,
1092         .chdir_fn = catia_chdir,
1093         .ntimes_fn = catia_ntimes,
1094         .realpath_fn = catia_realpath,
1095         .chflags_fn = catia_chflags,
1096         .streaminfo_fn = catia_streaminfo,
1097         .translate_name_fn = catia_translate_name,
1098         .get_nt_acl_fn = catia_get_nt_acl,
1099         .chmod_acl_fn = catia_chmod_acl,
1100         .sys_acl_get_file_fn = catia_sys_acl_get_file,
1101         .sys_acl_set_file_fn = catia_sys_acl_set_file,
1102         .sys_acl_delete_def_file_fn = catia_sys_acl_delete_def_file,
1103         .getxattr_fn = catia_getxattr,
1104         .listxattr_fn = catia_listxattr,
1105         .removexattr_fn = catia_removexattr,
1106         .setxattr_fn = catia_setxattr,
1107 };
1108
1109 static_decl_vfs;
1110 NTSTATUS vfs_catia_init(void)
1111 {
1112         NTSTATUS ret;
1113
1114         ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "catia",
1115                                 &vfs_catia_fns);
1116         if (!NT_STATUS_IS_OK(ret))
1117                 return ret;
1118
1119         vfs_catia_debug_level = debug_add_class("catia");
1120         if (vfs_catia_debug_level == -1) {
1121                 vfs_catia_debug_level = DBGC_VFS;
1122                 DEBUG(0, ("vfs_catia: Couldn't register custom debugging "
1123                           "class!\n"));
1124         } else {
1125                 DEBUG(10, ("vfs_catia: Debug class number of "
1126                            "'catia': %d\n", vfs_catia_debug_level));
1127         }
1128
1129         return ret;
1130
1131 }