1 /* -*- c-file-style: "linux" -*-
3 * Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org>
4 * Copyright (C) 2000, 2001, 2002 by Martin Pool <mbp@samba.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 extern int sanitize_paths;
25 extern int select_timeout;
26 extern char curr_dir[MAXPATHLEN];
27 extern struct exclude_list_struct exclude_list;
32 * If 1, send the whole file as literal data rather than trying to
33 * create an incremental diff.
35 * If -1, then look at whether we're local or remote and go by that.
37 * @sa disable_deltas_p()
42 int keep_dirlinks = 0;
44 int preserve_links = 0;
45 int preserve_hard_links = 0;
46 int preserve_perms = 0;
47 int preserve_devices = 0;
50 int preserve_times = 0;
57 int delete_excluded = 0;
58 int one_file_system = 0;
59 int protocol_version = PROTOCOL_VERSION;
61 int do_compression = 0;
64 int relative_paths = -1;
74 char *files_from = NULL;
75 int filesfrom_fd = -1;
76 char *remote_filesfrom_file = NULL;
80 int daemon_over_rsh = 0;
84 int safe_symlinks = 0;
85 int copy_unsafe_links = 0;
88 size_t bwlimit_writemax = 0;
90 int only_existing = 0;
91 int opt_ignore_existing = 0;
93 int ignore_errors = 0;
94 int modify_window = 0;
96 int checksum_seed = 0;
98 unsigned int block_size = 0;
101 /** Network address family. **/
103 int default_af_hint = 0; /* Any protocol */
105 int default_af_hint = AF_INET; /* Must use IPv4 */
108 /** Do not go into the background when run as --daemon. Good
109 * for debugging and required for running as a service on W32,
110 * or under Unix process-monitors. **/
115 int backup_dir_len = 0;
116 int backup_suffix_len;
117 unsigned int backup_dir_remainder;
119 char *backup_suffix = NULL;
121 char *compare_dest = NULL;
122 char *config_file = NULL;
123 char *shell_cmd = NULL;
124 char *log_format = NULL;
125 char *password_file = NULL;
126 char *rsync_path = RSYNC_PATH;
127 char *backup_dir = NULL;
128 char backup_dir_buf[MAXPATHLEN];
129 int rsync_port = RSYNC_PORT;
134 int always_checksum = 0;
137 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
138 char *batch_name = NULL;
140 static int daemon_opt; /* sets am_daemon after option error-reporting */
141 static int modify_window_set;
143 /** Local address to bind. As a character string because it's
144 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
145 * address, or a hostname. **/
149 static void print_rsync_version(enum logcode f)
151 char const *got_socketpair = "no ";
152 char const *have_inplace = "no ";
153 char const *hardlinks = "no ";
154 char const *links = "no ";
155 char const *ipv6 = "no ";
156 STRUCT_STAT *dumstat;
158 #ifdef HAVE_SOCKETPAIR
166 #if SUPPORT_HARD_LINKS
178 rprintf(f, "%s version %s protocol version %d\n",
179 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
181 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
182 rprintf(f, "<http://rsync.samba.org/>\n");
183 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
184 "%shard links, %ssymlinks, batchfiles, \n",
185 (int) (sizeof (OFF_T) * 8),
186 got_socketpair, hardlinks, links);
188 /* Note that this field may not have type ino_t. It depends
189 * on the complicated interaction between largefile feature
191 rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n",
193 (int) (sizeof dumstat->st_ino * 8),
194 (int) (sizeof (uint64) * 8));
195 #ifdef MAINTAINER_MODE
196 rprintf(f, " panic action: \"%s\"\n",
200 #ifdef INT64_IS_OFF_T
201 if (sizeof (int64) < 8)
202 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
207 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
208 "are welcome to redistribute it under certain conditions. See the GNU\n"
209 "General Public Licence for details.\n"
214 void usage(enum logcode F)
216 print_rsync_version(F);
218 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
220 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
221 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
222 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
223 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
224 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
225 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
226 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
227 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
228 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
229 rprintf(F," sources separated by space as long as they have same top-level\n");
230 rprintf(F,"\nOptions\n");
231 rprintf(F," -v, --verbose increase verbosity\n");
232 rprintf(F," -q, --quiet decrease verbosity\n");
233 rprintf(F," -c, --checksum always checksum\n");
234 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
235 rprintf(F," -r, --recursive recurse into directories\n");
236 rprintf(F," -R, --relative use relative path names\n");
237 rprintf(F," --no-relative turn off --relative\n");
238 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
239 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
240 rprintf(F," --backup-dir make backups into this directory\n");
241 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
242 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
243 rprintf(F," --inplace update destination files inplace (SEE MAN PAGE)\n");
244 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
245 rprintf(F," -l, --links copy symlinks as symlinks\n");
246 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
247 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
248 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
249 rprintf(F," -H, --hard-links preserve hard links\n");
250 rprintf(F," -p, --perms preserve permissions\n");
251 rprintf(F," -o, --owner preserve owner (root only)\n");
252 rprintf(F," -g, --group preserve group\n");
253 rprintf(F," -D, --devices preserve devices (root only)\n");
254 rprintf(F," -t, --times preserve times\n");
255 rprintf(F," -S, --sparse handle sparse files efficiently\n");
256 rprintf(F," -n, --dry-run show what would have been transferred\n");
257 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
258 rprintf(F," --no-whole-file turn off --whole-file\n");
259 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
260 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
261 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
262 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
263 rprintf(F," --existing only update files that already exist\n");
264 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
265 rprintf(F," --delete delete files that don't exist on the sending side\n");
266 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
267 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
268 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
269 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
270 rprintf(F," --partial keep partially transferred files\n");
271 rprintf(F," --force force deletion of directories even if not empty\n");
272 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
273 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
274 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
275 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
276 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
277 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
278 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
279 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
280 rprintf(F," -P equivalent to --partial --progress\n");
281 rprintf(F," -z, --compress compress file data\n");
282 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
283 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
284 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
285 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
286 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
287 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
288 rprintf(F," -0, --from0 all *-from file lists are delimited by nulls\n");
289 rprintf(F," --version print version number\n");
290 rprintf(F," --daemon run as an rsync daemon\n");
291 rprintf(F," --no-detach do not detach from the parent\n");
292 rprintf(F," --address=ADDRESS bind to the specified address\n");
293 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
294 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
295 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
296 rprintf(F," --no-blocking-io turn off --blocking-io\n");
297 rprintf(F," --stats give some file transfer stats\n");
298 rprintf(F," --progress show progress during transfer\n");
299 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
300 rprintf(F," --password-file=FILE get password from FILE\n");
301 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
302 rprintf(F," --write-batch=FILE write a batch to FILE\n");
303 rprintf(F," --read-batch=FILE read a batch from FILE\n");
304 rprintf(F," --checksum-seed=NUM set block/file checksum seed\n");
306 rprintf(F," -4, --ipv4 prefer IPv4\n");
307 rprintf(F," -6, --ipv6 prefer IPv6\n");
309 rprintf(F," -h, --help show this help screen\n");
313 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
314 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
317 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
318 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
319 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
320 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT,
321 OPT_REFUSED_BASE = 9000};
323 static struct poptOption long_options[] = {
324 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
325 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
326 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
327 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
328 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
329 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
330 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
331 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
332 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
333 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
334 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
335 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
336 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
337 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
338 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
339 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
340 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
341 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
342 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
343 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
344 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
345 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
346 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
347 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
348 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
349 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
350 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
351 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
352 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
353 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
354 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
355 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
356 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
357 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
358 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
359 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
360 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
361 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
362 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
363 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
364 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
365 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
366 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
367 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
368 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
369 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
370 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
371 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
372 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
373 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
374 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
375 {"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 },
376 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
377 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
378 {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 },
379 /* TODO: Should this take an optional int giving the compression level? */
380 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
381 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
382 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
383 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
384 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
385 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
386 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
387 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
388 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
389 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
390 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
391 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
392 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
393 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
394 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
395 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
396 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
397 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
398 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
399 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
400 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
401 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
402 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
403 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
405 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
406 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
412 static char err_buf[200];
416 * Store the option error message, if any, so that we can log the
417 * connection attempt (which requires parsing the options), and then
418 * show the error later on.
420 void option_error(void)
423 strcpy(err_buf, "Error parsing options: "
424 "option may be supported on client but not on server?\n");
427 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
432 * Tweak the option table to disable all options that the rsyncd.conf
433 * file has told us to refuse.
435 static void set_refuse_options(char *bp)
437 struct poptOption *op;
441 if ((cp = strchr(bp, ' ')) != NULL)
443 for (op = long_options; ; op++) {
446 "Unknown option %s in \"refuse options\" setting\n",
450 if (strcmp(bp, op->longName) == 0) {
451 op->val = (op - long_options)+OPT_REFUSED_BASE;
463 static int count_args(char const **argv)
467 while (argv[i] != NULL)
475 * Process command line arguments. Called on both local and remote.
477 * @retval 1 if all options are OK; with globals set to appropriate
480 * @retval 0 on error, with err_buf containing an explanation
482 int parse_arguments(int *argc, const char ***argv, int frommain)
485 char *ref = lp_refuse_options(module_id);
490 set_refuse_options(ref);
492 /* TODO: Call poptReadDefaultConfig; handle errors. */
494 /* The context leaks in case of an error, but if there's a
495 * problem we always exit anyhow. */
496 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
498 while ((opt = poptGetNextOpt(pc)) != -1) {
499 /* most options are handled automatically by popt;
500 * only special cases are returned and listed here. */
504 print_rsync_version(FINFO);
507 case OPT_MODIFY_WINDOW:
508 /* The value has already been set by popt, but
509 * we need to remember that we're using a
510 * non-default setting. */
511 modify_window_set = 1;
514 case OPT_DELETE_AFTER:
519 case OPT_DELETE_EXCLUDED:
525 if (am_server || sanitize_paths)
526 return 0; /* Impossible... */
527 add_exclude(&exclude_list, poptGetOptArg(pc), 0);
531 if (am_server || sanitize_paths)
532 return 0; /* Impossible... */
533 add_exclude(&exclude_list, poptGetOptArg(pc),
537 case OPT_EXCLUDE_FROM:
538 if (am_server || sanitize_paths)
539 return 0; /* Impossible... */
540 arg = poptGetOptArg(pc);
541 add_exclude_file(&exclude_list, arg,
545 case OPT_INCLUDE_FROM:
546 if (am_server || sanitize_paths)
547 return 0; /* Impossible... */
548 arg = poptGetOptArg(pc);
549 add_exclude_file(&exclude_list, arg,
550 XFLG_FATAL_ERRORS | XFLG_DEF_INCLUDE);
569 exit_cleanup(RERR_SYNTAX);
579 case OPT_WRITE_BATCH:
580 /* batch_name is already set */
585 /* batch_name is already set */
590 if (io_timeout && io_timeout < select_timeout)
591 select_timeout = io_timeout;
599 snprintf(err_buf, sizeof err_buf,
600 "hard links are not supported on this %s\n",
601 am_server ? "server" : "client");
606 /* A large opt value means that set_refuse_options()
607 * turned this option off (opt-BASE is its index). */
608 if (opt >= OPT_REFUSED_BASE) {
609 struct poptOption *op =
610 &long_options[opt-OPT_REFUSED_BASE];
611 int n = snprintf(err_buf, sizeof err_buf,
612 "This server does not support --%s\n",
615 snprintf(err_buf+n, sizeof err_buf-n,
616 " (-%c)\n", op->shortName);
619 snprintf(err_buf, sizeof err_buf,
621 am_server ? "on remote machine: " : "",
622 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
630 if (preserve_links && !am_sender) {
631 snprintf(err_buf, sizeof err_buf,
632 "symlinks are not supported on this %s\n",
633 am_server ? "server" : "client");
638 #if !SUPPORT_HARD_LINKS
639 if (preserve_hard_links) {
640 snprintf(err_buf, sizeof err_buf,
641 "hard links are not supported on this %s\n",
642 am_server ? "server" : "client");
647 if (block_size > MAX_MAP_SIZE) {
648 rprintf(FINFO, "limiting block-size to %d bytes\n",
650 block_size = MAX_MAP_SIZE;
653 if (write_batch && read_batch) {
655 "--write-batch and --read-batch can not be used together\n");
656 exit_cleanup(RERR_SYNTAX);
658 if (write_batch || read_batch) {
661 "--%s-batch cannot be used with --dry_run (-n)\n",
662 write_batch ? "write" : "read");
663 exit_cleanup(RERR_SYNTAX);
667 "ignoring --%s-batch option sent to server\n",
668 write_batch ? "write" : "read");
669 /* We don't actually exit_cleanup(), so that we can
670 * still service older version clients that still send
671 * batch args to server. */
672 read_batch = write_batch = 0;
676 if (read_batch && files_from) {
678 "--read-batch cannot be used with --files-from\n");
679 exit_cleanup(RERR_SYNTAX);
681 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
683 "the batch-file name must be %d characters or less.\n",
685 exit_cleanup(RERR_SYNTAX);
688 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
689 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
690 exit_cleanup(RERR_SYNTAX);
703 preserve_devices = 1;
706 if (relative_paths < 0)
707 relative_paths = files_from? 1 : 0;
709 *argv = poptGetArgs(pc);
711 *argc = count_args(*argv);
715 if (sanitize_paths) {
717 for (i = *argc; i-- > 0; )
718 (*argv)[i] = alloc_sanitize_path((*argv)[i], NULL);
720 tmpdir = alloc_sanitize_path(tmpdir, curr_dir);
722 compare_dest = alloc_sanitize_path(compare_dest, curr_dir);
724 backup_dir = alloc_sanitize_path(backup_dir, curr_dir);
726 files_from = alloc_sanitize_path(files_from, curr_dir);
736 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
737 backup_suffix_len = strlen(backup_suffix);
738 if (strchr(backup_suffix, '/') != NULL) {
739 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
741 exit_cleanup(RERR_SYNTAX);
744 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
745 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
746 if (backup_dir_remainder < 32) {
747 rprintf(FERROR, "the --backup-dir path is WAY too long.\n");
748 exit_cleanup(RERR_SYNTAX);
750 if (backup_dir_buf[backup_dir_len - 1] != '/') {
751 backup_dir_buf[backup_dir_len++] = '/';
752 backup_dir_buf[backup_dir_len] = '\0';
754 if (verbose > 1 && !am_sender)
755 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
756 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
758 "--suffix cannot be a null string without --backup-dir\n");
759 exit_cleanup(RERR_SYNTAX);
762 if (do_progress && !verbose)
766 bwlimit_writemax = (size_t)bwlimit * 128;
767 if (bwlimit_writemax < 512)
768 bwlimit_writemax = 512;
775 snprintf(err_buf, sizeof err_buf,
776 "--inplace is not supported on this %s\n",
777 am_server ? "server" : "client");
784 if (*argc != 2 && !(am_server && am_sender && *argc == 1)) {
786 exit_cleanup(RERR_SYNTAX);
788 if (strcmp(files_from, "-") == 0) {
791 remote_filesfrom_file = "-";
793 else if ((colon = find_colon(files_from)) != 0) {
796 exit_cleanup(RERR_SYNTAX);
798 remote_filesfrom_file = colon+1 + (colon[1] == ':');
799 if (strcmp(remote_filesfrom_file, "-") == 0) {
800 rprintf(FERROR, "Invalid --files-from remote filename\n");
801 exit_cleanup(RERR_SYNTAX);
804 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
805 if (filesfrom_fd < 0) {
806 rsyserr(FERROR, errno,
807 "failed to open files-from file %s",
809 exit_cleanup(RERR_FILEIO);
819 * Construct a filtered list of options to pass through from the
820 * client to the server.
822 * This involves setting options that will tell the server how to
823 * behave, and also filtering out options that are processed only
826 void server_options(char **args,int *argc)
829 static char argstr[50];
834 if (blocking_io == -1)
837 args[ac++] = "--server";
839 if (daemon_over_rsh) {
840 args[ac++] = "--daemon";
842 /* if we're passing --daemon, we're done */
847 args[ac++] = "--sender";
851 for (i = 0; i < verbose; i++)
854 /* the -q option is intentionally left out */
865 if (keep_dirlinks && am_sender)
870 /* We don't need to send --no-whole-file, because it's the
871 * default for remote transfers, and in any case old versions
872 * of rsync will not understand it. */
874 if (preserve_hard_links)
880 if (preserve_devices)
903 /* this is a complete hack - blame Rusty
905 this is a hack to make the list_only (remote file list)
907 if (list_only && !recurse)
916 if (asprintf(&arg, "-B%u", block_size) < 0)
921 if (max_delete && am_sender) {
922 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
928 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
934 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
940 args[ac++] = "--backup-dir";
941 args[ac++] = backup_dir;
944 /* Only send --suffix if it specifies a non-default value. */
945 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
946 /* We use the following syntax to avoid weirdness with '~'. */
947 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
953 args[ac++] = "--delete-excluded";
954 else if (delete_mode)
955 args[ac++] = "--delete";
958 args[ac++] = "--size-only";
960 if (modify_window_set) {
961 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
967 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
973 args[ac++] = "--partial";
976 args[ac++] = "--force";
979 args[ac++] = "--delete-after";
982 args[ac++] = "--ignore-errors";
984 if (copy_unsafe_links)
985 args[ac++] = "--copy-unsafe-links";
988 args[ac++] = "--safe-links";
991 args[ac++] = "--numeric-ids";
993 if (only_existing && am_sender)
994 args[ac++] = "--existing";
996 if (opt_ignore_existing && am_sender)
997 args[ac++] = "--ignore-existing";
1000 args[ac++] = "--inplace";
1003 args[ac++] = "--temp-dir";
1004 args[ac++] = tmpdir;
1007 if (compare_dest && am_sender) {
1008 /* the server only needs this option if it is not the sender,
1009 * and it may be an older version that doesn't know this
1010 * option, so don't send it if client is the sender.
1012 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
1013 args[ac++] = compare_dest;
1016 if (files_from && (!am_sender || remote_filesfrom_file)) {
1017 if (remote_filesfrom_file) {
1018 args[ac++] = "--files-from";
1019 args[ac++] = remote_filesfrom_file;
1021 args[ac++] = "--from0";
1023 args[ac++] = "--files-from=-";
1024 args[ac++] = "--from0";
1032 out_of_memory("server_options");
1036 * Return the position of a ':' IF it is not part of a filename (i.e. as
1037 * long as it doesn't occur after a slash.
1039 char *find_colon(char *s)
1047 /* now check to see if there is a / in the string before the : - if there is then
1048 discard the colon on the assumption that the : is part of a filename */