| 1 | /*
|
|---|
| 2 | Unix SMB/Netbios implementation.
|
|---|
| 3 | SMB client library implementation
|
|---|
| 4 | Copyright (C) Andrew Tridgell 1998
|
|---|
| 5 | Copyright (C) Richard Sharpe 2000, 2002
|
|---|
| 6 | Copyright (C) John Terpstra 2000
|
|---|
| 7 | Copyright (C) Tom Jansen (Ninja ISD) 2002
|
|---|
| 8 | Copyright (C) Derrell Lipman 2003-2008
|
|---|
| 9 | Copyright (C) Jeremy Allison 2007, 2008
|
|---|
| 10 |
|
|---|
| 11 | This program is free software; you can redistribute it and/or modify
|
|---|
| 12 | it under the terms of the GNU General Public License as published by
|
|---|
| 13 | the Free Software Foundation; either version 3 of the License, or
|
|---|
| 14 | (at your option) any later version.
|
|---|
| 15 |
|
|---|
| 16 | This program is distributed in the hope that it will be useful,
|
|---|
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 19 | GNU General Public License for more details.
|
|---|
| 20 |
|
|---|
| 21 | You should have received a copy of the GNU General Public License
|
|---|
| 22 | along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|---|
| 23 | */
|
|---|
| 24 |
|
|---|
| 25 | #include "includes.h"
|
|---|
| 26 | #include "libsmbclient.h"
|
|---|
| 27 | #include "libsmb_internal.h"
|
|---|
| 28 |
|
|---|
| 29 |
|
|---|
| 30 | /*
|
|---|
| 31 | * Routine to open() a file ...
|
|---|
| 32 | */
|
|---|
| 33 |
|
|---|
| 34 | SMBCFILE *
|
|---|
| 35 | SMBC_open_ctx(SMBCCTX *context,
|
|---|
| 36 | const char *fname,
|
|---|
| 37 | int flags,
|
|---|
| 38 | mode_t mode)
|
|---|
| 39 | {
|
|---|
| 40 | char *server = NULL;
|
|---|
| 41 | char *share = NULL;
|
|---|
| 42 | char *user = NULL;
|
|---|
| 43 | char *password = NULL;
|
|---|
| 44 | char *workgroup = NULL;
|
|---|
| 45 | char *path = NULL;
|
|---|
| 46 | char *targetpath = NULL;
|
|---|
| 47 | struct cli_state *targetcli = NULL;
|
|---|
| 48 | SMBCSRV *srv = NULL;
|
|---|
| 49 | SMBCFILE *file = NULL;
|
|---|
| 50 | uint16_t fd;
|
|---|
| 51 | NTSTATUS status = NT_STATUS_OBJECT_PATH_INVALID;
|
|---|
| 52 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 53 |
|
|---|
| 54 | if (!context || !context->internal->initialized) {
|
|---|
| 55 |
|
|---|
| 56 | errno = EINVAL; /* Best I can think of ... */
|
|---|
| 57 | TALLOC_FREE(frame);
|
|---|
| 58 | return NULL;
|
|---|
| 59 |
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 | if (!fname) {
|
|---|
| 63 |
|
|---|
| 64 | errno = EINVAL;
|
|---|
| 65 | TALLOC_FREE(frame);
|
|---|
| 66 | return NULL;
|
|---|
| 67 |
|
|---|
| 68 | }
|
|---|
| 69 |
|
|---|
| 70 | if (SMBC_parse_path(frame,
|
|---|
| 71 | context,
|
|---|
| 72 | fname,
|
|---|
| 73 | &workgroup,
|
|---|
| 74 | &server,
|
|---|
| 75 | &share,
|
|---|
| 76 | &path,
|
|---|
| 77 | &user,
|
|---|
| 78 | &password,
|
|---|
| 79 | NULL)) {
|
|---|
| 80 | errno = EINVAL;
|
|---|
| 81 | TALLOC_FREE(frame);
|
|---|
| 82 | return NULL;
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| 85 | if (!user || user[0] == (char)0) {
|
|---|
| 86 | user = talloc_strdup(frame, smbc_getUser(context));
|
|---|
| 87 | if (!user) {
|
|---|
| 88 | errno = ENOMEM;
|
|---|
| 89 | TALLOC_FREE(frame);
|
|---|
| 90 | return NULL;
|
|---|
| 91 | }
|
|---|
| 92 | }
|
|---|
| 93 |
|
|---|
| 94 | srv = SMBC_server(frame, context, True,
|
|---|
| 95 | server, share, &workgroup, &user, &password);
|
|---|
| 96 |
|
|---|
| 97 | if (!srv) {
|
|---|
| 98 | if (errno == EPERM) errno = EACCES;
|
|---|
| 99 | TALLOC_FREE(frame);
|
|---|
| 100 | return NULL; /* SMBC_server sets errno */
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 | /* Hmmm, the test for a directory is suspect here ... FIXME */
|
|---|
| 104 |
|
|---|
| 105 | if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
|
|---|
| 106 | status = NT_STATUS_OBJECT_PATH_INVALID;
|
|---|
| 107 | } else {
|
|---|
| 108 | file = SMB_MALLOC_P(SMBCFILE);
|
|---|
| 109 |
|
|---|
| 110 | if (!file) {
|
|---|
| 111 | errno = ENOMEM;
|
|---|
| 112 | TALLOC_FREE(frame);
|
|---|
| 113 | return NULL;
|
|---|
| 114 | }
|
|---|
| 115 |
|
|---|
| 116 | ZERO_STRUCTP(file);
|
|---|
| 117 |
|
|---|
| 118 | /*d_printf(">>>open: resolving %s\n", path);*/
|
|---|
| 119 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 120 | srv->cli, path,
|
|---|
| 121 | &targetcli, &targetpath)) {
|
|---|
| 122 | d_printf("Could not resolve %s\n", path);
|
|---|
| 123 | errno = ENOENT;
|
|---|
| 124 | SAFE_FREE(file);
|
|---|
| 125 | TALLOC_FREE(frame);
|
|---|
| 126 | return NULL;
|
|---|
| 127 | }
|
|---|
| 128 | /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
|
|---|
| 129 |
|
|---|
| 130 | status = cli_open(targetcli, targetpath, flags,
|
|---|
| 131 | context->internal->share_mode, &fd);
|
|---|
| 132 | if (!NT_STATUS_IS_OK(status)) {
|
|---|
| 133 |
|
|---|
| 134 | /* Handle the error ... */
|
|---|
| 135 |
|
|---|
| 136 | SAFE_FREE(file);
|
|---|
| 137 | errno = SMBC_errno(context, targetcli);
|
|---|
| 138 | TALLOC_FREE(frame);
|
|---|
| 139 | return NULL;
|
|---|
| 140 |
|
|---|
| 141 | }
|
|---|
| 142 |
|
|---|
| 143 | /* Fill in file struct */
|
|---|
| 144 |
|
|---|
| 145 | file->cli_fd = fd;
|
|---|
| 146 | file->fname = SMB_STRDUP(fname);
|
|---|
| 147 | file->srv = srv;
|
|---|
| 148 | file->offset = 0;
|
|---|
| 149 | file->file = True;
|
|---|
| 150 |
|
|---|
| 151 | DLIST_ADD(context->internal->files, file);
|
|---|
| 152 |
|
|---|
| 153 | /*
|
|---|
| 154 | * If the file was opened in O_APPEND mode, all write
|
|---|
| 155 | * operations should be appended to the file. To do that,
|
|---|
| 156 | * though, using this protocol, would require a getattrE()
|
|---|
| 157 | * call for each and every write, to determine where the end
|
|---|
| 158 | * of the file is. (There does not appear to be an append flag
|
|---|
| 159 | * in the protocol.) Rather than add all of that overhead of
|
|---|
| 160 | * retrieving the current end-of-file offset prior to each
|
|---|
| 161 | * write operation, we'll assume that most append operations
|
|---|
| 162 | * will continuously write, so we'll just set the offset to
|
|---|
| 163 | * the end of the file now and hope that's adequate.
|
|---|
| 164 | *
|
|---|
| 165 | * Note to self: If this proves inadequate, and O_APPEND
|
|---|
| 166 | * should, in some cases, be forced for each write, add a
|
|---|
| 167 | * field in the context options structure, for
|
|---|
| 168 | * "strict_append_mode" which would select between the current
|
|---|
| 169 | * behavior (if FALSE) or issuing a getattrE() prior to each
|
|---|
| 170 | * write and forcing the write to the end of the file (if
|
|---|
| 171 | * TRUE). Adding that capability will likely require adding
|
|---|
| 172 | * an "append" flag into the _SMBCFILE structure to track
|
|---|
| 173 | * whether a file was opened in O_APPEND mode. -- djl
|
|---|
| 174 | */
|
|---|
| 175 | if (flags & O_APPEND) {
|
|---|
| 176 | if (SMBC_lseek_ctx(context, file, 0, SEEK_END) < 0) {
|
|---|
| 177 | (void) SMBC_close_ctx(context, file);
|
|---|
| 178 | errno = ENXIO;
|
|---|
| 179 | TALLOC_FREE(frame);
|
|---|
| 180 | return NULL;
|
|---|
| 181 | }
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 | TALLOC_FREE(frame);
|
|---|
| 185 | return file;
|
|---|
| 186 |
|
|---|
| 187 | }
|
|---|
| 188 |
|
|---|
| 189 | /* Check if opendir needed ... */
|
|---|
| 190 |
|
|---|
| 191 | if (!NT_STATUS_IS_OK(status)) {
|
|---|
| 192 | int eno = 0;
|
|---|
| 193 |
|
|---|
| 194 | eno = SMBC_errno(context, srv->cli);
|
|---|
| 195 | file = smbc_getFunctionOpendir(context)(context, fname);
|
|---|
| 196 | if (!file) errno = eno;
|
|---|
| 197 | TALLOC_FREE(frame);
|
|---|
| 198 | return file;
|
|---|
| 199 |
|
|---|
| 200 | }
|
|---|
| 201 |
|
|---|
| 202 | errno = EINVAL; /* FIXME, correct errno ? */
|
|---|
| 203 | TALLOC_FREE(frame);
|
|---|
| 204 | return NULL;
|
|---|
| 205 |
|
|---|
| 206 | }
|
|---|
| 207 |
|
|---|
| 208 | /*
|
|---|
| 209 | * Routine to create a file
|
|---|
| 210 | */
|
|---|
| 211 |
|
|---|
| 212 | SMBCFILE *
|
|---|
| 213 | SMBC_creat_ctx(SMBCCTX *context,
|
|---|
| 214 | const char *path,
|
|---|
| 215 | mode_t mode)
|
|---|
| 216 | {
|
|---|
| 217 |
|
|---|
| 218 | if (!context || !context->internal->initialized) {
|
|---|
| 219 |
|
|---|
| 220 | errno = EINVAL;
|
|---|
| 221 | return NULL;
|
|---|
| 222 |
|
|---|
| 223 | }
|
|---|
| 224 |
|
|---|
| 225 | return SMBC_open_ctx(context, path,
|
|---|
| 226 | O_WRONLY | O_CREAT | O_TRUNC, mode);
|
|---|
| 227 | }
|
|---|
| 228 |
|
|---|
| 229 | /*
|
|---|
| 230 | * Routine to read() a file ...
|
|---|
| 231 | */
|
|---|
| 232 |
|
|---|
| 233 | ssize_t
|
|---|
| 234 | SMBC_read_ctx(SMBCCTX *context,
|
|---|
| 235 | SMBCFILE *file,
|
|---|
| 236 | void *buf,
|
|---|
| 237 | size_t count)
|
|---|
| 238 | {
|
|---|
| 239 | int ret;
|
|---|
| 240 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
|
|---|
| 241 | char *path = NULL;
|
|---|
| 242 | char *targetpath = NULL;
|
|---|
| 243 | struct cli_state *targetcli = NULL;
|
|---|
| 244 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 245 |
|
|---|
| 246 | /*
|
|---|
| 247 | * offset:
|
|---|
| 248 | *
|
|---|
| 249 | * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
|
|---|
| 250 | * appears to pass file->offset (which is type off_t) differently than
|
|---|
| 251 | * a local variable of type off_t. Using local variable "offset" in
|
|---|
| 252 | * the call to cli_read() instead of file->offset fixes a problem
|
|---|
| 253 | * retrieving data at an offset greater than 4GB.
|
|---|
| 254 | */
|
|---|
| 255 | off_t offset;
|
|---|
| 256 |
|
|---|
| 257 | if (!context || !context->internal->initialized) {
|
|---|
| 258 |
|
|---|
| 259 | errno = EINVAL;
|
|---|
| 260 | TALLOC_FREE(frame);
|
|---|
| 261 | return -1;
|
|---|
| 262 |
|
|---|
| 263 | }
|
|---|
| 264 |
|
|---|
| 265 | DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
|
|---|
| 266 |
|
|---|
| 267 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 268 | errno = EBADF;
|
|---|
| 269 | TALLOC_FREE(frame);
|
|---|
| 270 | return -1;
|
|---|
| 271 |
|
|---|
| 272 | }
|
|---|
| 273 |
|
|---|
| 274 | offset = file->offset;
|
|---|
| 275 |
|
|---|
| 276 | /* Check that the buffer exists ... */
|
|---|
| 277 |
|
|---|
| 278 | if (buf == NULL) {
|
|---|
| 279 | errno = EINVAL;
|
|---|
| 280 | TALLOC_FREE(frame);
|
|---|
| 281 | return -1;
|
|---|
| 282 |
|
|---|
| 283 | }
|
|---|
| 284 |
|
|---|
| 285 | /*d_printf(">>>read: parsing %s\n", file->fname);*/
|
|---|
| 286 | if (SMBC_parse_path(frame,
|
|---|
| 287 | context,
|
|---|
| 288 | file->fname,
|
|---|
| 289 | NULL,
|
|---|
| 290 | &server,
|
|---|
| 291 | &share,
|
|---|
| 292 | &path,
|
|---|
| 293 | &user,
|
|---|
| 294 | &password,
|
|---|
| 295 | NULL)) {
|
|---|
| 296 | errno = EINVAL;
|
|---|
| 297 | TALLOC_FREE(frame);
|
|---|
| 298 | return -1;
|
|---|
| 299 | }
|
|---|
| 300 |
|
|---|
| 301 | /*d_printf(">>>read: resolving %s\n", path);*/
|
|---|
| 302 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 303 | file->srv->cli, path,
|
|---|
| 304 | &targetcli, &targetpath)) {
|
|---|
| 305 | d_printf("Could not resolve %s\n", path);
|
|---|
| 306 | errno = ENOENT;
|
|---|
| 307 | TALLOC_FREE(frame);
|
|---|
| 308 | return -1;
|
|---|
| 309 | }
|
|---|
| 310 | /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
|
|---|
| 311 |
|
|---|
| 312 | ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
|
|---|
| 313 |
|
|---|
| 314 | if (ret < 0) {
|
|---|
| 315 |
|
|---|
| 316 | errno = SMBC_errno(context, targetcli);
|
|---|
| 317 | TALLOC_FREE(frame);
|
|---|
| 318 | return -1;
|
|---|
| 319 |
|
|---|
| 320 | }
|
|---|
| 321 |
|
|---|
| 322 | file->offset += ret;
|
|---|
| 323 |
|
|---|
| 324 | DEBUG(4, (" --> %d\n", ret));
|
|---|
| 325 |
|
|---|
| 326 | TALLOC_FREE(frame);
|
|---|
| 327 | return ret; /* Success, ret bytes of data ... */
|
|---|
| 328 |
|
|---|
| 329 | }
|
|---|
| 330 |
|
|---|
| 331 | /*
|
|---|
| 332 | * Routine to write() a file ...
|
|---|
| 333 | */
|
|---|
| 334 |
|
|---|
| 335 | ssize_t
|
|---|
| 336 | SMBC_write_ctx(SMBCCTX *context,
|
|---|
| 337 | SMBCFILE *file,
|
|---|
| 338 | const void *buf,
|
|---|
| 339 | size_t count)
|
|---|
| 340 | {
|
|---|
| 341 | int ret;
|
|---|
| 342 | off_t offset;
|
|---|
| 343 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
|
|---|
| 344 | char *path = NULL;
|
|---|
| 345 | char *targetpath = NULL;
|
|---|
| 346 | struct cli_state *targetcli = NULL;
|
|---|
| 347 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 348 |
|
|---|
| 349 | /* First check all pointers before dereferencing them */
|
|---|
| 350 |
|
|---|
| 351 | if (!context || !context->internal->initialized) {
|
|---|
| 352 |
|
|---|
| 353 | errno = EINVAL;
|
|---|
| 354 | TALLOC_FREE(frame);
|
|---|
| 355 | return -1;
|
|---|
| 356 |
|
|---|
| 357 | }
|
|---|
| 358 |
|
|---|
| 359 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 360 | errno = EBADF;
|
|---|
| 361 | TALLOC_FREE(frame);
|
|---|
| 362 | return -1;
|
|---|
| 363 | }
|
|---|
| 364 |
|
|---|
| 365 | /* Check that the buffer exists ... */
|
|---|
| 366 |
|
|---|
| 367 | if (buf == NULL) {
|
|---|
| 368 | errno = EINVAL;
|
|---|
| 369 | TALLOC_FREE(frame);
|
|---|
| 370 | return -1;
|
|---|
| 371 |
|
|---|
| 372 | }
|
|---|
| 373 |
|
|---|
| 374 | offset = file->offset; /* See "offset" comment in SMBC_read_ctx() */
|
|---|
| 375 |
|
|---|
| 376 | /*d_printf(">>>write: parsing %s\n", file->fname);*/
|
|---|
| 377 | if (SMBC_parse_path(frame,
|
|---|
| 378 | context,
|
|---|
| 379 | file->fname,
|
|---|
| 380 | NULL,
|
|---|
| 381 | &server,
|
|---|
| 382 | &share,
|
|---|
| 383 | &path,
|
|---|
| 384 | &user,
|
|---|
| 385 | &password,
|
|---|
| 386 | NULL)) {
|
|---|
| 387 | errno = EINVAL;
|
|---|
| 388 | TALLOC_FREE(frame);
|
|---|
| 389 | return -1;
|
|---|
| 390 | }
|
|---|
| 391 |
|
|---|
| 392 | /*d_printf(">>>write: resolving %s\n", path);*/
|
|---|
| 393 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 394 | file->srv->cli, path,
|
|---|
| 395 | &targetcli, &targetpath)) {
|
|---|
| 396 | d_printf("Could not resolve %s\n", path);
|
|---|
| 397 | errno = ENOENT;
|
|---|
| 398 | TALLOC_FREE(frame);
|
|---|
| 399 | return -1;
|
|---|
| 400 | }
|
|---|
| 401 | /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
|
|---|
| 402 |
|
|---|
| 403 | ret = cli_write(targetcli, file->cli_fd,
|
|---|
| 404 | 0, (char *)buf, offset, count);
|
|---|
| 405 |
|
|---|
| 406 | if (ret <= 0) {
|
|---|
| 407 | errno = SMBC_errno(context, targetcli);
|
|---|
| 408 | TALLOC_FREE(frame);
|
|---|
| 409 | return -1;
|
|---|
| 410 |
|
|---|
| 411 | }
|
|---|
| 412 |
|
|---|
| 413 | file->offset += ret;
|
|---|
| 414 |
|
|---|
| 415 | TALLOC_FREE(frame);
|
|---|
| 416 | return ret; /* Success, 0 bytes of data ... */
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | /*
|
|---|
| 420 | * Routine to close() a file ...
|
|---|
| 421 | */
|
|---|
| 422 |
|
|---|
| 423 | int
|
|---|
| 424 | SMBC_close_ctx(SMBCCTX *context,
|
|---|
| 425 | SMBCFILE *file)
|
|---|
| 426 | {
|
|---|
| 427 | SMBCSRV *srv;
|
|---|
| 428 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
|
|---|
| 429 | char *path = NULL;
|
|---|
| 430 | char *targetpath = NULL;
|
|---|
| 431 | struct cli_state *targetcli = NULL;
|
|---|
| 432 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 433 |
|
|---|
| 434 | if (!context || !context->internal->initialized) {
|
|---|
| 435 |
|
|---|
| 436 | errno = EINVAL;
|
|---|
| 437 | TALLOC_FREE(frame);
|
|---|
| 438 | return -1;
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 442 | errno = EBADF;
|
|---|
| 443 | TALLOC_FREE(frame);
|
|---|
| 444 | return -1;
|
|---|
| 445 | }
|
|---|
| 446 |
|
|---|
| 447 | /* IS a dir ... */
|
|---|
| 448 | if (!file->file) {
|
|---|
| 449 | TALLOC_FREE(frame);
|
|---|
| 450 | return smbc_getFunctionClosedir(context)(context, file);
|
|---|
| 451 | }
|
|---|
| 452 |
|
|---|
| 453 | /*d_printf(">>>close: parsing %s\n", file->fname);*/
|
|---|
| 454 | if (SMBC_parse_path(frame,
|
|---|
| 455 | context,
|
|---|
| 456 | file->fname,
|
|---|
| 457 | NULL,
|
|---|
| 458 | &server,
|
|---|
| 459 | &share,
|
|---|
| 460 | &path,
|
|---|
| 461 | &user,
|
|---|
| 462 | &password,
|
|---|
| 463 | NULL)) {
|
|---|
| 464 | errno = EINVAL;
|
|---|
| 465 | TALLOC_FREE(frame);
|
|---|
| 466 | return -1;
|
|---|
| 467 | }
|
|---|
| 468 |
|
|---|
| 469 | /*d_printf(">>>close: resolving %s\n", path);*/
|
|---|
| 470 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 471 | file->srv->cli, path,
|
|---|
| 472 | &targetcli, &targetpath)) {
|
|---|
| 473 | d_printf("Could not resolve %s\n", path);
|
|---|
| 474 | errno = ENOENT;
|
|---|
| 475 | TALLOC_FREE(frame);
|
|---|
| 476 | return -1;
|
|---|
| 477 | }
|
|---|
| 478 | /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
|
|---|
| 479 |
|
|---|
| 480 | if (!NT_STATUS_IS_OK(cli_close(targetcli, file->cli_fd))) {
|
|---|
| 481 |
|
|---|
| 482 | DEBUG(3, ("cli_close failed on %s. purging server.\n",
|
|---|
| 483 | file->fname));
|
|---|
| 484 | /* Deallocate slot and remove the server
|
|---|
| 485 | * from the server cache if unused */
|
|---|
| 486 | errno = SMBC_errno(context, targetcli);
|
|---|
| 487 | srv = file->srv;
|
|---|
| 488 | DLIST_REMOVE(context->internal->files, file);
|
|---|
| 489 | SAFE_FREE(file->fname);
|
|---|
| 490 | SAFE_FREE(file);
|
|---|
| 491 | smbc_getFunctionRemoveUnusedServer(context)(context, srv);
|
|---|
| 492 | TALLOC_FREE(frame);
|
|---|
| 493 | return -1;
|
|---|
| 494 |
|
|---|
| 495 | }
|
|---|
| 496 |
|
|---|
| 497 | DLIST_REMOVE(context->internal->files, file);
|
|---|
| 498 | SAFE_FREE(file->fname);
|
|---|
| 499 | SAFE_FREE(file);
|
|---|
| 500 | TALLOC_FREE(frame);
|
|---|
| 501 |
|
|---|
| 502 | return 0;
|
|---|
| 503 | }
|
|---|
| 504 |
|
|---|
| 505 | /*
|
|---|
| 506 | * Get info from an SMB server on a file. Use a qpathinfo call first
|
|---|
| 507 | * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
|
|---|
| 508 | */
|
|---|
| 509 | bool
|
|---|
| 510 | SMBC_getatr(SMBCCTX * context,
|
|---|
| 511 | SMBCSRV *srv,
|
|---|
| 512 | char *path,
|
|---|
| 513 | uint16 *mode,
|
|---|
| 514 | SMB_OFF_T *size,
|
|---|
| 515 | struct timespec *create_time_ts,
|
|---|
| 516 | struct timespec *access_time_ts,
|
|---|
| 517 | struct timespec *write_time_ts,
|
|---|
| 518 | struct timespec *change_time_ts,
|
|---|
| 519 | SMB_INO_T *ino)
|
|---|
| 520 | {
|
|---|
| 521 | char *fixedpath = NULL;
|
|---|
| 522 | char *targetpath = NULL;
|
|---|
| 523 | struct cli_state *targetcli = NULL;
|
|---|
| 524 | time_t write_time;
|
|---|
| 525 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 526 |
|
|---|
| 527 | if (!context || !context->internal->initialized) {
|
|---|
| 528 |
|
|---|
| 529 | errno = EINVAL;
|
|---|
| 530 | TALLOC_FREE(frame);
|
|---|
| 531 | return False;
|
|---|
| 532 | }
|
|---|
| 533 |
|
|---|
| 534 | /* path fixup for . and .. */
|
|---|
| 535 | if (strequal(path, ".") || strequal(path, "..")) {
|
|---|
| 536 | fixedpath = talloc_strdup(frame, "\\");
|
|---|
| 537 | if (!fixedpath) {
|
|---|
| 538 | errno = ENOMEM;
|
|---|
| 539 | TALLOC_FREE(frame);
|
|---|
| 540 | return False;
|
|---|
| 541 | }
|
|---|
| 542 | } else {
|
|---|
| 543 | fixedpath = talloc_strdup(frame, path);
|
|---|
| 544 | if (!fixedpath) {
|
|---|
| 545 | errno = ENOMEM;
|
|---|
| 546 | TALLOC_FREE(frame);
|
|---|
| 547 | return False;
|
|---|
| 548 | }
|
|---|
| 549 | trim_string(fixedpath, NULL, "\\..");
|
|---|
| 550 | trim_string(fixedpath, NULL, "\\.");
|
|---|
| 551 | }
|
|---|
| 552 | DEBUG(4,("SMBC_getatr: sending qpathinfo\n"));
|
|---|
| 553 |
|
|---|
| 554 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 555 | srv->cli, fixedpath,
|
|---|
| 556 | &targetcli, &targetpath)) {
|
|---|
| 557 | d_printf("Couldn't resolve %s\n", path);
|
|---|
| 558 | errno = ENOENT;
|
|---|
| 559 | TALLOC_FREE(frame);
|
|---|
| 560 | return False;
|
|---|
| 561 | }
|
|---|
| 562 |
|
|---|
| 563 | if (!srv->no_pathinfo2 &&
|
|---|
| 564 | cli_qpathinfo2(targetcli, targetpath,
|
|---|
| 565 | create_time_ts,
|
|---|
| 566 | access_time_ts,
|
|---|
| 567 | write_time_ts,
|
|---|
| 568 | change_time_ts,
|
|---|
| 569 | size, mode, ino)) {
|
|---|
| 570 | TALLOC_FREE(frame);
|
|---|
| 571 | return True;
|
|---|
| 572 | }
|
|---|
| 573 |
|
|---|
| 574 | /* if this is NT then don't bother with the getatr */
|
|---|
| 575 | if (targetcli->capabilities & CAP_NT_SMBS) {
|
|---|
| 576 | errno = EPERM;
|
|---|
| 577 | TALLOC_FREE(frame);
|
|---|
| 578 | return False;
|
|---|
| 579 | }
|
|---|
| 580 |
|
|---|
| 581 | if (NT_STATUS_IS_OK(cli_getatr(targetcli, targetpath, mode, size, &write_time))) {
|
|---|
| 582 |
|
|---|
| 583 | struct timespec w_time_ts;
|
|---|
| 584 |
|
|---|
| 585 | w_time_ts = convert_time_t_to_timespec(write_time);
|
|---|
| 586 |
|
|---|
| 587 | if (write_time_ts != NULL) {
|
|---|
| 588 | *write_time_ts = w_time_ts;
|
|---|
| 589 | }
|
|---|
| 590 |
|
|---|
| 591 | if (create_time_ts != NULL) {
|
|---|
| 592 | *create_time_ts = w_time_ts;
|
|---|
| 593 | }
|
|---|
| 594 |
|
|---|
| 595 | if (access_time_ts != NULL) {
|
|---|
| 596 | *access_time_ts = w_time_ts;
|
|---|
| 597 | }
|
|---|
| 598 |
|
|---|
| 599 | if (change_time_ts != NULL) {
|
|---|
| 600 | *change_time_ts = w_time_ts;
|
|---|
| 601 | }
|
|---|
| 602 |
|
|---|
| 603 | srv->no_pathinfo2 = True;
|
|---|
| 604 | TALLOC_FREE(frame);
|
|---|
| 605 | return True;
|
|---|
| 606 | }
|
|---|
| 607 |
|
|---|
| 608 | errno = EPERM;
|
|---|
| 609 | TALLOC_FREE(frame);
|
|---|
| 610 | return False;
|
|---|
| 611 |
|
|---|
| 612 | }
|
|---|
| 613 |
|
|---|
| 614 | /*
|
|---|
| 615 | * Set file info on an SMB server. Use setpathinfo call first. If that
|
|---|
| 616 | * fails, use setattrE..
|
|---|
| 617 | *
|
|---|
| 618 | * Access and modification time parameters are always used and must be
|
|---|
| 619 | * provided. Create time, if zero, will be determined from the actual create
|
|---|
| 620 | * time of the file. If non-zero, the create time will be set as well.
|
|---|
| 621 | *
|
|---|
| 622 | * "mode" (attributes) parameter may be set to -1 if it is not to be set.
|
|---|
| 623 | */
|
|---|
| 624 | bool
|
|---|
| 625 | SMBC_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
|
|---|
| 626 | time_t create_time,
|
|---|
| 627 | time_t access_time,
|
|---|
| 628 | time_t write_time,
|
|---|
| 629 | time_t change_time,
|
|---|
| 630 | uint16 mode)
|
|---|
| 631 | {
|
|---|
| 632 | uint16_t fd;
|
|---|
| 633 | int ret;
|
|---|
| 634 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 635 |
|
|---|
| 636 | /*
|
|---|
| 637 | * First, try setpathinfo (if qpathinfo succeeded), for it is the
|
|---|
| 638 | * modern function for "new code" to be using, and it works given a
|
|---|
| 639 | * filename rather than requiring that the file be opened to have its
|
|---|
| 640 | * attributes manipulated.
|
|---|
| 641 | */
|
|---|
| 642 | if (srv->no_pathinfo ||
|
|---|
| 643 | ! cli_setpathinfo(srv->cli, path,
|
|---|
| 644 | create_time,
|
|---|
| 645 | access_time,
|
|---|
| 646 | write_time,
|
|---|
| 647 | change_time,
|
|---|
| 648 | mode)) {
|
|---|
| 649 |
|
|---|
| 650 | /*
|
|---|
| 651 | * setpathinfo is not supported; go to plan B.
|
|---|
| 652 | *
|
|---|
| 653 | * cli_setatr() does not work on win98, and it also doesn't
|
|---|
| 654 | * support setting the access time (only the modification
|
|---|
| 655 | * time), so in all cases, we open the specified file and use
|
|---|
| 656 | * cli_setattrE() which should work on all OS versions, and
|
|---|
| 657 | * supports both times.
|
|---|
| 658 | */
|
|---|
| 659 |
|
|---|
| 660 | /* Don't try {q,set}pathinfo() again, with this server */
|
|---|
| 661 | srv->no_pathinfo = True;
|
|---|
| 662 |
|
|---|
| 663 | /* Open the file */
|
|---|
| 664 | if (!NT_STATUS_IS_OK(cli_open(srv->cli, path, O_RDWR, DENY_NONE, &fd))) {
|
|---|
| 665 |
|
|---|
| 666 | errno = SMBC_errno(context, srv->cli);
|
|---|
| 667 | TALLOC_FREE(frame);
|
|---|
| 668 | return -1;
|
|---|
| 669 | }
|
|---|
| 670 |
|
|---|
| 671 | /* Set the new attributes */
|
|---|
| 672 | ret = NT_STATUS_IS_OK(cli_setattrE(srv->cli, fd,
|
|---|
| 673 | change_time,
|
|---|
| 674 | access_time,
|
|---|
| 675 | write_time));
|
|---|
| 676 |
|
|---|
| 677 | /* Close the file */
|
|---|
| 678 | cli_close(srv->cli, fd);
|
|---|
| 679 |
|
|---|
| 680 | /*
|
|---|
| 681 | * Unfortunately, setattrE() doesn't have a provision for
|
|---|
| 682 | * setting the access mode (attributes). We'll have to try
|
|---|
| 683 | * cli_setatr() for that, and with only this parameter, it
|
|---|
| 684 | * seems to work on win98.
|
|---|
| 685 | */
|
|---|
| 686 | if (ret && mode != (uint16) -1) {
|
|---|
| 687 | ret = NT_STATUS_IS_OK(cli_setatr(srv->cli, path, mode, 0));
|
|---|
| 688 | }
|
|---|
| 689 |
|
|---|
| 690 | if (! ret) {
|
|---|
| 691 | errno = SMBC_errno(context, srv->cli);
|
|---|
| 692 | TALLOC_FREE(frame);
|
|---|
| 693 | return False;
|
|---|
| 694 | }
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 | TALLOC_FREE(frame);
|
|---|
| 698 | return True;
|
|---|
| 699 | }
|
|---|
| 700 |
|
|---|
| 701 | /*
|
|---|
| 702 | * A routine to lseek() a file
|
|---|
| 703 | */
|
|---|
| 704 |
|
|---|
| 705 | off_t
|
|---|
| 706 | SMBC_lseek_ctx(SMBCCTX *context,
|
|---|
| 707 | SMBCFILE *file,
|
|---|
| 708 | off_t offset,
|
|---|
| 709 | int whence)
|
|---|
| 710 | {
|
|---|
| 711 | SMB_OFF_T size;
|
|---|
| 712 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
|
|---|
| 713 | char *path = NULL;
|
|---|
| 714 | char *targetpath = NULL;
|
|---|
| 715 | struct cli_state *targetcli = NULL;
|
|---|
| 716 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 717 |
|
|---|
| 718 | if (!context || !context->internal->initialized) {
|
|---|
| 719 |
|
|---|
| 720 | errno = EINVAL;
|
|---|
| 721 | TALLOC_FREE(frame);
|
|---|
| 722 | return -1;
|
|---|
| 723 | }
|
|---|
| 724 |
|
|---|
| 725 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 726 |
|
|---|
| 727 | errno = EBADF;
|
|---|
| 728 | TALLOC_FREE(frame);
|
|---|
| 729 | return -1;
|
|---|
| 730 |
|
|---|
| 731 | }
|
|---|
| 732 |
|
|---|
| 733 | if (!file->file) {
|
|---|
| 734 |
|
|---|
| 735 | errno = EINVAL;
|
|---|
| 736 | TALLOC_FREE(frame);
|
|---|
| 737 | return -1; /* Can't lseek a dir ... */
|
|---|
| 738 |
|
|---|
| 739 | }
|
|---|
| 740 |
|
|---|
| 741 | switch (whence) {
|
|---|
| 742 | case SEEK_SET:
|
|---|
| 743 | file->offset = offset;
|
|---|
| 744 | break;
|
|---|
| 745 |
|
|---|
| 746 | case SEEK_CUR:
|
|---|
| 747 | file->offset += offset;
|
|---|
| 748 | break;
|
|---|
| 749 |
|
|---|
| 750 | case SEEK_END:
|
|---|
| 751 | /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
|
|---|
| 752 | if (SMBC_parse_path(frame,
|
|---|
| 753 | context,
|
|---|
| 754 | file->fname,
|
|---|
| 755 | NULL,
|
|---|
| 756 | &server,
|
|---|
| 757 | &share,
|
|---|
| 758 | &path,
|
|---|
| 759 | &user,
|
|---|
| 760 | &password,
|
|---|
| 761 | NULL)) {
|
|---|
| 762 | errno = EINVAL;
|
|---|
| 763 | TALLOC_FREE(frame);
|
|---|
| 764 | return -1;
|
|---|
| 765 | }
|
|---|
| 766 |
|
|---|
| 767 | /*d_printf(">>>lseek: resolving %s\n", path);*/
|
|---|
| 768 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 769 | file->srv->cli, path,
|
|---|
| 770 | &targetcli, &targetpath)) {
|
|---|
| 771 | d_printf("Could not resolve %s\n", path);
|
|---|
| 772 | errno = ENOENT;
|
|---|
| 773 | TALLOC_FREE(frame);
|
|---|
| 774 | return -1;
|
|---|
| 775 | }
|
|---|
| 776 | /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
|
|---|
| 777 |
|
|---|
| 778 | if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
|
|---|
| 779 | &size, NULL, NULL, NULL, NULL, NULL))
|
|---|
| 780 | {
|
|---|
| 781 | SMB_OFF_T b_size = size;
|
|---|
| 782 | if (!NT_STATUS_IS_OK(cli_getattrE(targetcli, file->cli_fd,
|
|---|
| 783 | NULL, &b_size, NULL, NULL, NULL))) {
|
|---|
| 784 | errno = EINVAL;
|
|---|
| 785 | TALLOC_FREE(frame);
|
|---|
| 786 | return -1;
|
|---|
| 787 | } else
|
|---|
| 788 | size = b_size;
|
|---|
| 789 | }
|
|---|
| 790 | file->offset = size + offset;
|
|---|
| 791 | break;
|
|---|
| 792 |
|
|---|
| 793 | default:
|
|---|
| 794 | errno = EINVAL;
|
|---|
| 795 | break;
|
|---|
| 796 |
|
|---|
| 797 | }
|
|---|
| 798 |
|
|---|
| 799 | TALLOC_FREE(frame);
|
|---|
| 800 | return file->offset;
|
|---|
| 801 |
|
|---|
| 802 | }
|
|---|
| 803 |
|
|---|
| 804 |
|
|---|
| 805 | /*
|
|---|
| 806 | * Routine to truncate a file given by its file descriptor, to a specified size
|
|---|
| 807 | */
|
|---|
| 808 |
|
|---|
| 809 | int
|
|---|
| 810 | SMBC_ftruncate_ctx(SMBCCTX *context,
|
|---|
| 811 | SMBCFILE *file,
|
|---|
| 812 | off_t length)
|
|---|
| 813 | {
|
|---|
| 814 | SMB_OFF_T size = length;
|
|---|
| 815 | char *server = NULL;
|
|---|
| 816 | char *share = NULL;
|
|---|
| 817 | char *user = NULL;
|
|---|
| 818 | char *password = NULL;
|
|---|
| 819 | char *path = NULL;
|
|---|
| 820 | char *targetpath = NULL;
|
|---|
| 821 | struct cli_state *targetcli = NULL;
|
|---|
| 822 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 823 |
|
|---|
| 824 | if (!context || !context->internal->initialized) {
|
|---|
| 825 |
|
|---|
| 826 | errno = EINVAL;
|
|---|
| 827 | TALLOC_FREE(frame);
|
|---|
| 828 | return -1;
|
|---|
| 829 | }
|
|---|
| 830 |
|
|---|
| 831 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 832 | errno = EBADF;
|
|---|
| 833 | TALLOC_FREE(frame);
|
|---|
| 834 | return -1;
|
|---|
| 835 | }
|
|---|
| 836 |
|
|---|
| 837 | if (!file->file) {
|
|---|
| 838 | errno = EINVAL;
|
|---|
| 839 | TALLOC_FREE(frame);
|
|---|
| 840 | return -1;
|
|---|
| 841 | }
|
|---|
| 842 |
|
|---|
| 843 | /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
|
|---|
| 844 | if (SMBC_parse_path(frame,
|
|---|
| 845 | context,
|
|---|
| 846 | file->fname,
|
|---|
| 847 | NULL,
|
|---|
| 848 | &server,
|
|---|
| 849 | &share,
|
|---|
| 850 | &path,
|
|---|
| 851 | &user,
|
|---|
| 852 | &password,
|
|---|
| 853 | NULL)) {
|
|---|
| 854 | errno = EINVAL;
|
|---|
| 855 | TALLOC_FREE(frame);
|
|---|
| 856 | return -1;
|
|---|
| 857 | }
|
|---|
| 858 |
|
|---|
| 859 | /*d_printf(">>>fstat: resolving %s\n", path);*/
|
|---|
| 860 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 861 | file->srv->cli, path,
|
|---|
| 862 | &targetcli, &targetpath)) {
|
|---|
| 863 | d_printf("Could not resolve %s\n", path);
|
|---|
| 864 | errno = ENOENT;
|
|---|
| 865 | TALLOC_FREE(frame);
|
|---|
| 866 | return -1;
|
|---|
| 867 | }
|
|---|
| 868 | /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
|
|---|
| 869 |
|
|---|
| 870 | if (!NT_STATUS_IS_OK(cli_ftruncate(targetcli, file->cli_fd, (uint64_t)size))) {
|
|---|
| 871 | errno = EINVAL;
|
|---|
| 872 | TALLOC_FREE(frame);
|
|---|
| 873 | return -1;
|
|---|
| 874 | }
|
|---|
| 875 |
|
|---|
| 876 | TALLOC_FREE(frame);
|
|---|
| 877 | return 0;
|
|---|
| 878 |
|
|---|
| 879 | }
|
|---|