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
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.
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.
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/>.
26 #include "libsmbclient.h"
27 #include "libsmb_internal.h"
31 * Generate an inode number from file name for those things that need it
35 generate_inode(SMBCCTX *context,
38 if (!context || !context->internal->initialized) {
45 if (!*name) return 2; /* FIXME, why 2 ??? */
46 return (ino_t)str_checksum(name);
51 * Routine to put basic stat info into a stat structure ... Used by stat and
56 setup_stat(SMBCCTX *context,
62 TALLOC_CTX *frame = talloc_stackframe();
66 if (IS_DOS_DIR(mode)) {
67 st->st_mode = SMBC_DIR_MODE;
69 st->st_mode = SMBC_FILE_MODE;
72 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
73 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
74 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
75 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
78 #ifdef HAVE_STAT_ST_BLKSIZE
81 #ifdef HAVE_STAT_ST_BLOCKS
82 st->st_blocks = (size+511)/512;
84 #ifdef HAVE_STRUCT_STAT_ST_RDEV
87 st->st_uid = getuid();
88 st->st_gid = getgid();
90 if (IS_DOS_DIR(mode)) {
96 if (st->st_ino == 0) {
97 st->st_ino = generate_inode(context, fname);
101 return True; /* FIXME: Is this needed ? */
106 * Routine to stat a file given a name
110 SMBC_stat_ctx(SMBCCTX *context,
118 char *password = NULL;
119 char *workgroup = NULL;
121 struct timespec write_time_ts;
122 struct timespec access_time_ts;
123 struct timespec change_time_ts;
127 TALLOC_CTX *frame = talloc_stackframe();
129 if (!context || !context->internal->initialized) {
131 errno = EINVAL; /* Best I can think of ... */
142 DEBUG(4, ("smbc_stat(%s)\n", fname));
144 if (SMBC_parse_path(frame,
159 if (!user || user[0] == (char)0) {
160 user = talloc_strdup(frame, smbc_getUser(context));
168 srv = SMBC_server(frame, context, True,
169 server, share, &workgroup, &user, &password);
173 return -1; /* errno set by SMBC_server */
176 if (!SMBC_getatr(context, srv, path, &mode, &size,
182 errno = SMBC_errno(context, srv->cli);
189 setup_stat(context, st, (char *) fname, size, mode);
191 set_atimespec(st, access_time_ts);
192 set_ctimespec(st, change_time_ts);
193 set_mtimespec(st, write_time_ts);
194 st->st_dev = srv->dev;
202 * Routine to stat a file given an fd
206 SMBC_fstat_ctx(SMBCCTX *context,
210 struct timespec change_time_ts;
211 struct timespec access_time_ts;
212 struct timespec write_time_ts;
218 char *password = NULL;
220 char *targetpath = NULL;
221 struct cli_state *targetcli = NULL;
223 TALLOC_CTX *frame = talloc_stackframe();
225 if (!context || !context->internal->initialized) {
232 if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
240 return smbc_getFunctionFstatdir(context)(context, file, st);
243 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
244 if (SMBC_parse_path(frame,
259 /*d_printf(">>>fstat: resolving %s\n", path);*/
260 if (!cli_resolve_path(frame, "", context->internal->auth_info,
261 file->srv->cli, path,
262 &targetcli, &targetpath)) {
263 d_printf("Could not resolve %s\n", path);
267 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
269 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
276 time_t change_time, access_time, write_time;
278 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
279 &change_time, &access_time, &write_time)) {
286 change_time_ts = convert_time_t_to_timespec(change_time);
287 access_time_ts = convert_time_t_to_timespec(access_time);
288 write_time_ts = convert_time_t_to_timespec(write_time);
293 setup_stat(context, st, file->fname, size, mode);
295 set_atimespec(st, access_time_ts);
296 set_ctimespec(st, change_time_ts);
297 set_mtimespec(st, write_time_ts);
298 st->st_dev = file->srv->dev;
307 * Routine to obtain file system information given a path
310 SMBC_statvfs_ctx(SMBCCTX *context,
319 /* Determine if the provided path is a file or a folder */
320 if (SMBC_stat_ctx(context, path, &statbuf) < 0) {
324 /* Is it a file or a directory? */
325 if (S_ISDIR(statbuf.st_mode)) {
326 /* It's a directory. */
327 if ((pFile = SMBC_opendir_ctx(context, path)) == NULL) {
331 } else if (S_ISREG(statbuf.st_mode)) {
333 if ((pFile = SMBC_open_ctx(context, path,
334 O_RDONLY, 0)) == NULL) {
339 /* It's neither a file nor a directory. Not supported. */
344 /* Now we have an open file handle, so just use SMBC_fstatvfs */
345 ret = SMBC_fstatvfs_ctx(context, pFile, st);
347 /* Close the file or directory */
349 SMBC_closedir_ctx(context, pFile);
351 SMBC_close_ctx(context, pFile);
359 * Routine to obtain file system information given an fd
363 SMBC_fstatvfs_ctx(SMBCCTX *context,
367 unsigned long flags = 0;
369 struct cli_state *cli = file->srv->cli;
372 /* Initialize all fields (at least until we actually use them) */
373 memset(st, 0, sizeof(*st));
376 * The state of each flag is such that the same bits are unset as
377 * would typically be unset on a local file system on a POSIX OS. Thus
378 * the bit is on, for example, only for case-insensitive file systems
379 * since most POSIX file systems are case sensitive and fstatvfs()
380 * would typically return zero in these bits on such a local file
384 /* See if the server has UNIX CIFS support */
385 if (! SERVER_HAS_UNIX_CIFS(cli)) {
386 uint64_t total_allocation_units;
387 uint64_t caller_allocation_units;
388 uint64_t actual_allocation_units;
389 uint64_t sectors_per_allocation_unit;
390 uint64_t bytes_per_sector;
392 /* Nope. If size data is available... */
393 if (cli_get_fs_full_size_info(cli,
394 &total_allocation_units,
395 &caller_allocation_units,
396 &actual_allocation_units,
397 §ors_per_allocation_unit,
398 &bytes_per_sector)) {
400 /* ... then provide it */
402 (unsigned long) bytes_per_sector;
405 (unsigned long) sectors_per_allocation_unit;
408 (fsblkcnt_t) total_allocation_units;
410 (fsblkcnt_t) actual_allocation_units;
413 flags |= SMBC_VFS_FEATURE_NO_UNIXCIFS;
415 uint32 optimal_transfer_size;
417 uint64_t total_blocks;
418 uint64_t blocks_available;
419 uint64_t user_blocks_available;
420 uint64_t total_file_nodes;
421 uint64_t free_file_nodes;
422 uint64_t fs_identifier;
424 /* Has UNIXCIFS. If POSIX filesystem info is available... */
425 if (cli_get_posix_fs_info(cli,
426 &optimal_transfer_size,
430 &user_blocks_available,
435 /* ... then what's provided here takes precedence. */
437 (unsigned long) block_size;
439 (fsblkcnt_t) total_blocks;
441 (fsblkcnt_t) blocks_available;
443 (fsblkcnt_t) user_blocks_available;
445 (fsfilcnt_t) total_file_nodes;
447 (fsfilcnt_t) free_file_nodes;
450 (unsigned long) fs_identifier;
455 /* See if the share is case sensitive */
456 if (!cli_get_fs_attr_info(cli, &fs_attrs)) {
458 * We can't determine the case sensitivity of
459 * the share. We have no choice but to use the
460 * user-specified case sensitivity setting.
462 if (! smbc_getOptionCaseSensitive(context)) {
463 flags |= SMBC_VFS_FEATURE_CASE_INSENSITIVE;
466 if (! (fs_attrs & FILE_CASE_SENSITIVE_SEARCH)) {
467 flags |= SMBC_VFS_FEATURE_CASE_INSENSITIVE;
471 /* See if DFS is supported */
472 if ((cli->capabilities & CAP_DFS) && cli->dfsroot) {
473 flags |= SMBC_VFS_FEATURE_DFS;
476 #if HAVE_STATVFS_F_FLAG
478 #elif HAVE_STATVFS_F_FLAGS