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",
201 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
206 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
207 "are welcome to redistribute it under certain conditions. See the GNU\n"
208 "General Public Licence for details.\n"
213 void usage(enum logcode F)
215 print_rsync_version(F);
217 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
219 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
220 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
221 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
222 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
223 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
224 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
225 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
226 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
227 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
228 rprintf(F," sources separated by space as long as they have same top-level\n");
229 rprintf(F,"\nOptions\n");
230 rprintf(F," -v, --verbose increase verbosity\n");
231 rprintf(F," -q, --quiet decrease verbosity\n");
232 rprintf(F," -c, --checksum always checksum\n");
233 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
234 rprintf(F," -r, --recursive recurse into directories\n");
235 rprintf(F," -R, --relative use relative path names\n");
236 rprintf(F," --no-relative turn off --relative\n");
237 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
238 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
239 rprintf(F," --backup-dir make backups into this directory\n");
240 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
241 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
242 rprintf(F," --inplace update the destination file inplace (see man page)\n");
243 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
244 rprintf(F," -l, --links copy symlinks as symlinks\n");
245 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
246 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
247 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
248 rprintf(F," -H, --hard-links preserve hard links\n");
249 rprintf(F," -p, --perms preserve permissions\n");
250 rprintf(F," -o, --owner preserve owner (root only)\n");
251 rprintf(F," -g, --group preserve group\n");
252 rprintf(F," -D, --devices preserve devices (root only)\n");
253 rprintf(F," -t, --times preserve times\n");
254 rprintf(F," -S, --sparse handle sparse files efficiently\n");
255 rprintf(F," -n, --dry-run show what would have been transferred\n");
256 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
257 rprintf(F," --no-whole-file turn off --whole-file\n");
258 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
259 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
260 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
261 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
262 rprintf(F," --existing only update files that already exist\n");
263 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
264 rprintf(F," --delete delete files that don't exist on the sending side\n");
265 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
266 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
267 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
268 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
269 rprintf(F," --partial keep partially transferred files\n");
270 rprintf(F," --force force deletion of directories even if not empty\n");
271 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
272 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
273 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
274 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
275 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
276 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
277 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
278 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
279 rprintf(F," -P equivalent to --partial --progress\n");
280 rprintf(F," -z, --compress compress file data\n");
281 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
282 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
283 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
284 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
285 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
286 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
287 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
288 rprintf(F," --version print version number\n");
289 rprintf(F," --daemon run as an rsync daemon\n");
290 rprintf(F," --no-detach do not detach from the parent\n");
291 rprintf(F," --address=ADDRESS bind to the specified address\n");
292 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
293 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
294 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
295 rprintf(F," --no-blocking-io turn off --blocking-io\n");
296 rprintf(F," --stats give some file transfer stats\n");
297 rprintf(F," --progress show progress during transfer\n");
298 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
299 rprintf(F," --password-file=FILE get password from FILE\n");
300 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
301 rprintf(F," --write-batch=FILE write a batch to FILE\n");
302 rprintf(F," --read-batch=FILE read a batch from FILE\n");
303 rprintf(F," --checksum-seed=NUM set block/file checksum seed\n");
305 rprintf(F," -4 --ipv4 prefer IPv4\n");
306 rprintf(F," -6 --ipv6 prefer IPv6\n");
308 rprintf(F," -h, --help show this help screen\n");
312 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
313 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
316 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
317 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
318 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
319 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT,
320 OPT_REFUSED_BASE = 9000};
322 static struct poptOption long_options[] = {
323 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
324 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
325 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
326 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
327 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
328 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
329 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
330 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
331 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
332 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
333 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
334 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
335 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
336 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
337 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
338 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
339 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
340 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
341 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
342 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
343 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
344 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
345 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
346 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
347 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
348 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
349 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
350 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
351 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
352 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
353 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
354 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
355 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
356 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
357 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
358 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
359 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
360 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
361 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
362 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
363 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
364 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
365 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
366 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
367 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
368 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
369 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
370 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
371 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
372 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
373 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
374 {"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 },
375 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
376 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
377 {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 },
378 /* TODO: Should this take an optional int giving the compression level? */
379 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
380 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
381 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
382 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
383 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
384 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
385 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
386 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
387 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
388 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
389 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
390 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
391 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
392 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
393 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
394 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
395 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
396 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
397 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
398 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
399 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
400 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
401 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
402 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
404 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
405 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
411 static char err_buf[200];
415 * Store the option error message, if any, so that we can log the
416 * connection attempt (which requires parsing the options), and then
417 * show the error later on.
419 void option_error(void)
422 strcpy(err_buf, "Error parsing options: "
423 "option may be supported on client but not on server?\n");
426 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
431 * Tweak the option table to disable all options that the rsyncd.conf
432 * file has told us to refuse.
434 static void set_refuse_options(char *bp)
436 struct poptOption *op;
440 if ((cp = strchr(bp, ' ')) != NULL)
442 for (op = long_options; ; op++) {
445 "Unknown option %s in \"refuse options\" setting\n",
449 if (strcmp(bp, op->longName) == 0) {
450 op->val = (op - long_options)+OPT_REFUSED_BASE;
462 static int count_args(char const **argv)
466 while (argv[i] != NULL)
474 * Process command line arguments. Called on both local and remote.
476 * @retval 1 if all options are OK; with globals set to appropriate
479 * @retval 0 on error, with err_buf containing an explanation
481 int parse_arguments(int *argc, const char ***argv, int frommain)
484 char *ref = lp_refuse_options(module_id);
489 set_refuse_options(ref);
491 /* TODO: Call poptReadDefaultConfig; handle errors. */
493 /* The context leaks in case of an error, but if there's a
494 * problem we always exit anyhow. */
495 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
497 while ((opt = poptGetNextOpt(pc)) != -1) {
498 /* most options are handled automatically by popt;
499 * only special cases are returned and listed here. */
503 print_rsync_version(FINFO);
506 case OPT_MODIFY_WINDOW:
507 /* The value has already been set by popt, but
508 * we need to remember that we're using a
509 * non-default setting. */
510 modify_window_set = 1;
513 case OPT_DELETE_AFTER:
518 case OPT_DELETE_EXCLUDED:
524 if (am_server || sanitize_paths)
525 return 0; /* Impossible... */
526 add_exclude(&exclude_list, poptGetOptArg(pc), 0);
530 if (am_server || sanitize_paths)
531 return 0; /* Impossible... */
532 add_exclude(&exclude_list, poptGetOptArg(pc),
536 case OPT_EXCLUDE_FROM:
537 if (am_server || sanitize_paths)
538 return 0; /* Impossible... */
539 arg = poptGetOptArg(pc);
540 add_exclude_file(&exclude_list, arg,
544 case OPT_INCLUDE_FROM:
545 if (am_server || sanitize_paths)
546 return 0; /* Impossible... */
547 arg = poptGetOptArg(pc);
548 add_exclude_file(&exclude_list, arg,
549 XFLG_FATAL_ERRORS | XFLG_DEF_INCLUDE);
568 exit_cleanup(RERR_SYNTAX);
578 case OPT_WRITE_BATCH:
579 /* batch_name is already set */
584 /* batch_name is already set */
589 if (io_timeout && io_timeout < select_timeout)
590 select_timeout = io_timeout;
598 snprintf(err_buf, sizeof err_buf,
599 "hard links are not supported on this %s\n",
600 am_server ? "server" : "client");
605 /* A large opt value means that set_refuse_options()
606 * turned this option off (opt-BASE is its index). */
607 if (opt >= OPT_REFUSED_BASE) {
608 struct poptOption *op =
609 &long_options[opt-OPT_REFUSED_BASE];
610 int n = snprintf(err_buf, sizeof err_buf,
611 "This server does not support --%s\n",
614 snprintf(err_buf+n, sizeof err_buf-n,
615 " (-%c)\n", op->shortName);
618 snprintf(err_buf, sizeof err_buf,
620 am_server ? "on remote machine: " : "",
621 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
629 if (preserve_links && !am_sender) {
630 snprintf(err_buf, sizeof err_buf,
631 "symlinks are not supported on this %s\n",
632 am_server ? "server" : "client");
637 #if !SUPPORT_HARD_LINKS
638 if (preserve_hard_links) {
639 snprintf(err_buf, sizeof err_buf,
640 "hard links are not supported on this %s\n",
641 am_server ? "server" : "client");
646 if (block_size > MAX_MAP_SIZE) {
647 rprintf(FINFO, "limiting block-size to %d bytes\n",
649 block_size = MAX_MAP_SIZE;
652 if (write_batch && read_batch) {
654 "--write-batch and --read-batch can not be used together\n");
655 exit_cleanup(RERR_SYNTAX);
657 if (write_batch || read_batch) {
660 "--%s-batch cannot be used with --dry_run (-n)\n",
661 write_batch ? "write" : "read");
662 exit_cleanup(RERR_SYNTAX);
666 "ignoring --%s-batch option sent to server\n",
667 write_batch ? "write" : "read");
668 /* We don't actually exit_cleanup(), so that we can
669 * still service older version clients that still send
670 * batch args to server. */
671 read_batch = write_batch = 0;
675 if (read_batch && files_from) {
677 "--read-batch cannot be used with --files-from\n");
678 exit_cleanup(RERR_SYNTAX);
680 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
682 "the batch-file name must be %d characters or less.\n",
684 exit_cleanup(RERR_SYNTAX);
687 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
688 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
689 exit_cleanup(RERR_SYNTAX);
702 preserve_devices = 1;
705 if (relative_paths < 0)
706 relative_paths = files_from? 1 : 0;
708 *argv = poptGetArgs(pc);
710 *argc = count_args(*argv);
714 if (sanitize_paths) {
716 for (i = *argc; i-- > 0; )
717 (*argv)[i] = alloc_sanitize_path((*argv)[i], NULL);
719 tmpdir = alloc_sanitize_path(tmpdir, curr_dir);
721 compare_dest = alloc_sanitize_path(compare_dest, curr_dir);
723 backup_dir = alloc_sanitize_path(backup_dir, curr_dir);
725 files_from = alloc_sanitize_path(files_from, curr_dir);
735 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
736 backup_suffix_len = strlen(backup_suffix);
737 if (strchr(backup_suffix, '/') != NULL) {
738 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
740 exit_cleanup(RERR_SYNTAX);
743 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
744 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
745 if (backup_dir_remainder < 32) {
746 rprintf(FERROR, "the --backup-dir path is WAY too long.\n");
747 exit_cleanup(RERR_SYNTAX);
749 if (backup_dir_buf[backup_dir_len - 1] != '/') {
750 backup_dir_buf[backup_dir_len++] = '/';
751 backup_dir_buf[backup_dir_len] = '\0';
753 if (verbose > 1 && !am_sender)
754 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
755 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
757 "--suffix cannot be a null string without --backup-dir\n");
758 exit_cleanup(RERR_SYNTAX);
761 if (do_progress && !verbose)
765 bwlimit_writemax = (size_t)bwlimit * 128;
766 if (bwlimit_writemax < 512)
767 bwlimit_writemax = 512;
774 snprintf(err_buf, sizeof err_buf,
775 "--inplace is not supported on this %s\n",
776 am_server ? "server" : "client");
783 if (*argc != 2 && !(am_server && am_sender && *argc == 1)) {
785 exit_cleanup(RERR_SYNTAX);
787 if (strcmp(files_from, "-") == 0) {
790 remote_filesfrom_file = "-";
792 else if ((colon = find_colon(files_from)) != 0) {
795 exit_cleanup(RERR_SYNTAX);
797 remote_filesfrom_file = colon+1 + (colon[1] == ':');
798 if (strcmp(remote_filesfrom_file, "-") == 0) {
799 rprintf(FERROR, "Invalid --files-from remote filename\n");
800 exit_cleanup(RERR_SYNTAX);
803 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
804 if (filesfrom_fd < 0) {
805 rsyserr(FERROR, errno,
806 "failed to open files-from file %s",
808 exit_cleanup(RERR_FILEIO);
818 * Construct a filtered list of options to pass through from the
819 * client to the server.
821 * This involves setting options that will tell the server how to
822 * behave, and also filtering out options that are processed only
825 void server_options(char **args,int *argc)
828 static char argstr[50];
833 if (blocking_io == -1)
836 args[ac++] = "--server";
838 if (daemon_over_rsh) {
839 args[ac++] = "--daemon";
841 /* if we're passing --daemon, we're done */
846 args[ac++] = "--sender";
850 for (i = 0; i < verbose; i++)
853 /* the -q option is intentionally left out */
864 if (keep_dirlinks && am_sender)
869 /* We don't need to send --no-whole-file, because it's the
870 * default for remote transfers, and in any case old versions
871 * of rsync will not understand it. */
873 if (preserve_hard_links)
879 if (preserve_devices)
902 /* this is a complete hack - blame Rusty
904 this is a hack to make the list_only (remote file list)
906 if (list_only && !recurse)
915 if (asprintf(&arg, "-B%u", block_size) < 0)
920 if (max_delete && am_sender) {
921 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
927 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
933 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
939 args[ac++] = "--backup-dir";
940 args[ac++] = backup_dir;
943 /* Only send --suffix if it specifies a non-default value. */
944 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
945 /* We use the following syntax to avoid weirdness with '~'. */
946 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
952 args[ac++] = "--delete-excluded";
953 else if (delete_mode)
954 args[ac++] = "--delete";
957 args[ac++] = "--size-only";
959 if (modify_window_set) {
960 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
966 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
972 args[ac++] = "--partial";
975 args[ac++] = "--force";
978 args[ac++] = "--delete-after";
981 args[ac++] = "--ignore-errors";
983 if (copy_unsafe_links)
984 args[ac++] = "--copy-unsafe-links";
987 args[ac++] = "--safe-links";
990 args[ac++] = "--numeric-ids";
992 if (only_existing && am_sender)
993 args[ac++] = "--existing";
995 if (opt_ignore_existing && am_sender)
996 args[ac++] = "--ignore-existing";
999 args[ac++] = "--inplace";
1002 args[ac++] = "--temp-dir";
1003 args[ac++] = tmpdir;
1006 if (compare_dest && am_sender) {
1007 /* the server only needs this option if it is not the sender,
1008 * and it may be an older version that doesn't know this
1009 * option, so don't send it if client is the sender.
1011 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
1012 args[ac++] = compare_dest;
1015 if (files_from && (!am_sender || remote_filesfrom_file)) {
1016 if (remote_filesfrom_file) {
1017 args[ac++] = "--files-from";
1018 args[ac++] = remote_filesfrom_file;
1020 args[ac++] = "--from0";
1022 args[ac++] = "--files-from=-";
1023 args[ac++] = "--from0";
1031 out_of_memory("server_options");
1035 * Return the position of a ':' IF it is not part of a filename (i.e. as
1036 * long as it doesn't occur after a slash.
1038 char *find_colon(char *s)
1046 /* now check to see if there is a / in the string before the : - if there is then
1047 discard the colon on the assumption that the : is part of a filename */