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.
27 * If 1, send the whole file as literal data rather than trying to
28 * create an incremental diff.
30 * If -1, then look at whether we're local or remote and go by that.
32 * @sa disable_deltas_p()
38 int preserve_links = 0;
39 int preserve_hard_links = 0;
40 int preserve_perms = 0;
41 int preserve_devices = 0;
44 int preserve_times = 0;
51 int delete_excluded=0;
52 int one_file_system=0;
58 int relative_paths = -1;
68 char *files_from = NULL;
69 int filesfrom_fd = -1;
70 char *remote_filesfrom_file = NULL;
74 int daemon_over_rsh = 0;
79 int copy_unsafe_links=0;
85 int opt_ignore_existing=0;
92 /** Network address family. **/
94 int default_af_hint = 0; /* Any protocol */
96 int default_af_hint = AF_INET; /* Must use IPv4 */
99 /** Do not go into the background when run as --daemon. Good
100 * for debugging and required for running as a service on W32,
101 * or under Unix process-monitors. **/
106 int suffix_specified = 0;
108 char *backup_suffix = BACKUP_SUFFIX;
110 char *compare_dest = NULL;
111 char *config_file = NULL;
112 char *shell_cmd = NULL;
113 char *log_format = NULL;
114 char *password_file = NULL;
115 char *rsync_path = RSYNC_PATH;
116 char *backup_dir = NULL;
117 int rsync_port = RSYNC_PORT;
122 int always_checksum = 0;
125 char *batch_prefix = NULL;
127 static int modify_window_set;
129 /** Local address to bind. As a character string because it's
130 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
131 * address, or a hostname. **/
135 static void print_rsync_version(enum logcode f)
137 char const *got_socketpair = "no ";
138 char const *hardlinks = "no ";
139 char const *links = "no ";
140 char const *ipv6 = "no ";
141 STRUCT_STAT *dumstat;
143 #ifdef HAVE_SOCKETPAIR
147 #if SUPPORT_HARD_LINKS
159 rprintf(f, "%s version %s protocol version %d\n",
160 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
162 "Copyright (C) 1996-2002 by Andrew Tridgell and others\n");
163 rprintf(f, "<http://rsync.samba.org/>\n");
164 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
165 "%shard links, %ssymlinks, batchfiles, \n",
166 (int) (sizeof(OFF_T) * 8),
167 got_socketpair, hardlinks, links);
169 /* Note that this field may not have type ino_t. It depends
170 * on the complicated interaction between largefile feature
172 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
174 (int) (sizeof(dumstat->st_ino) * 8),
175 (int) (sizeof(INO64_T) * 8));
176 #ifdef MAINTAINER_MODE
177 rprintf(f, " panic action: \"%s\"\n",
182 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
187 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
188 "are welcome to redistribute it under certain conditions. See the GNU\n"
189 "General Public Licence for details.\n"
194 void usage(enum logcode F)
196 print_rsync_version(F);
198 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
200 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
201 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
202 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
203 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
204 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
205 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
206 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
207 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
208 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
209 rprintf(F," sources separated by space as long as they have same top-level\n");
210 rprintf(F,"\nOptions\n");
211 rprintf(F," -v, --verbose increase verbosity\n");
212 rprintf(F," -q, --quiet decrease verbosity\n");
213 rprintf(F," -c, --checksum always checksum\n");
214 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
215 rprintf(F," -r, --recursive recurse into directories\n");
216 rprintf(F," -R, --relative use relative path names\n");
217 rprintf(F," --no-relative turn off --relative\n");
218 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
219 rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
220 rprintf(F," --backup-dir make backups into this directory\n");
221 rprintf(F," --suffix=SUFFIX override backup suffix\n");
222 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
223 rprintf(F," -l, --links copy symlinks as symlinks\n");
224 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
225 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
226 rprintf(F," --safe-links ignore links outside the destination tree\n");
227 rprintf(F," -H, --hard-links preserve hard links\n");
228 rprintf(F," -p, --perms preserve permissions\n");
229 rprintf(F," -o, --owner preserve owner (root only)\n");
230 rprintf(F," -g, --group preserve group\n");
231 rprintf(F," -D, --devices preserve devices (root only)\n");
232 rprintf(F," -t, --times preserve times\n");
233 rprintf(F," -S, --sparse handle sparse files efficiently\n");
234 rprintf(F," -n, --dry-run show what would have been transferred\n");
235 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
236 rprintf(F," --no-whole-file turn off --whole-file\n");
237 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
238 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
239 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
240 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
241 rprintf(F," --existing only update files that already exist\n");
242 rprintf(F," --ignore-existing ignore files that already exist on the receiving side\n");
243 rprintf(F," --delete delete files that don't exist on the sending side\n");
244 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
245 rprintf(F," --delete-after delete after transferring, not before\n");
246 rprintf(F," --ignore-errors delete even if there are IO errors\n");
247 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
248 rprintf(F," --partial keep partially transferred files\n");
249 rprintf(F," --force force deletion of directories even if not empty\n");
250 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
251 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
252 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
253 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
254 rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
255 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
256 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
257 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
258 rprintf(F," -P equivalent to --partial --progress\n");
259 rprintf(F," -z, --compress compress file data\n");
260 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
261 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
262 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
263 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
264 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
265 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
266 rprintf(F," -0 --from0 file names we read are separated by nulls, not newlines\n");
267 rprintf(F," --version print version number\n");
268 rprintf(F," --daemon run as a rsync daemon\n");
269 rprintf(F," --no-detach do not detach from the parent\n");
270 rprintf(F," --address=ADDRESS bind to the specified address\n");
271 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
272 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
273 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
274 rprintf(F," --no-blocking-io turn off --blocking-io\n");
275 rprintf(F," --stats give some file transfer stats\n");
276 rprintf(F," --progress show progress during transfer\n");
277 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
278 rprintf(F," --password-file=FILE get password from FILE\n");
279 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
280 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
281 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
282 rprintf(F," -h, --help show this help screen\n");
284 rprintf(F," -4 prefer IPv4\n");
285 rprintf(F," -6 prefer IPv6\n");
290 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
291 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
294 enum {OPT_VERSION = 1000, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
295 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
296 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
297 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
298 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST, OPT_LINK_DEST,
299 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
300 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
301 OPT_IGNORE_ERRORS, OPT_BWLIMIT,
302 OPT_MODIFY_WINDOW, OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_IGNORE_EXISTING};
304 static struct poptOption long_options[] = {
305 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
306 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
307 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, OPT_SUFFIX, 0, 0 },
308 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
309 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
310 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
311 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
312 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
313 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
314 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
315 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
316 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
317 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
318 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
319 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
320 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
321 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
322 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
323 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
324 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
325 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
326 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
327 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
328 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
329 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
330 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
331 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
332 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
333 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
334 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
335 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
336 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
337 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
338 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
339 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
340 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
341 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
342 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
343 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
344 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
345 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
346 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
347 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
348 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
349 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
350 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
351 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
352 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
353 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
354 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
355 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
356 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
357 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
358 /* TODO: Should this take an optional int giving the compression level? */
359 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
360 {"daemon", 0, POPT_ARG_NONE, &am_daemon, 0, 0, 0 },
361 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
362 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
363 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
364 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
365 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
366 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
367 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
368 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
369 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
370 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
371 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
372 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
373 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
374 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
375 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
376 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
377 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
378 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
379 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
380 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
382 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
383 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
389 static char err_buf[100];
393 * Store the option error message, if any, so that we can log the
394 * connection attempt (which requires parsing the options), and then
395 * show the error later on.
397 void option_error(void)
400 rprintf(FLOG, "%s", err_buf);
401 rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf);
403 rprintf (FERROR, "Error parsing options: "
404 "option may be supported on client but not on server?\n");
405 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
406 "option may be supported on client but not on server?\n");
412 * Check to see if we should refuse this option
414 static int check_refuse_options(char *ref, int opt)
420 for (i=0; long_options[i].longName; i++) {
421 if (long_options[i].val == opt) break;
424 if (!long_options[i].longName) return 0;
426 name = long_options[i].longName;
429 while ((p = strstr(ref,name))) {
430 if ((p==ref || p[-1]==' ') &&
431 (p[len] == ' ' || p[len] == 0)) {
432 snprintf(err_buf,sizeof(err_buf),
433 "The '%s' option is not supported by this server\n", name);
442 static int count_args(char const **argv)
446 while (argv[i] != NULL)
454 * Process command line arguments. Called on both local and remote.
456 * @retval 1 if all options are OK; with globals set to appropriate
459 * @retval 0 on error, with err_buf containing an explanation
461 int parse_arguments(int *argc, const char ***argv, int frommain)
464 char *ref = lp_refuse_options(module_id);
467 /* TODO: Call poptReadDefaultConfig; handle errors. */
469 /* The context leaks in case of an error, but if there's a
470 * problem we always exit anyhow. */
471 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
473 while ((opt = poptGetNextOpt(pc)) != -1) {
475 if (check_refuse_options(ref, opt)) return 0;
478 /* most options are handled automatically by popt;
479 * only special cases are returned and listed here. */
483 print_rsync_version(FINFO);
487 /* The value has already been set by popt, but
488 * we need to remember that a suffix was specified
489 * in case a backup-directory is used. */
490 suffix_specified = 1;
493 case OPT_MODIFY_WINDOW:
494 /* The value has already been set by popt, but
495 * we need to remember that we're using a
496 * non-default setting. */
497 modify_window_set = 1;
500 case OPT_DELETE_AFTER:
505 case OPT_DELETE_EXCLUDED:
511 add_exclude(poptGetOptArg(pc), 0);
515 add_exclude(poptGetOptArg(pc), 1);
518 case OPT_EXCLUDE_FROM:
519 add_exclude_file(poptGetOptArg(pc), 1, 0);
522 case OPT_INCLUDE_FROM:
523 add_exclude_file(poptGetOptArg(pc), 1, 1);
531 #if SUPPORT_HARD_LINKS
532 preserve_hard_links=1;
534 /* FIXME: Don't say "server" if this is
535 * happening on the client. */
536 /* FIXME: Why do we have the duplicated
537 * rprintf? Everybody who gets this message
538 * ought to send it to the client and also to
540 snprintf(err_buf,sizeof(err_buf),
541 "hard links are not supported on this %s\n",
542 am_server ? "server" : "client");
543 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
545 #endif /* SUPPORT_HARD_LINKS */
553 if (frommain) quiet++;
559 exit_cleanup(RERR_SYNTAX);
569 case OPT_WRITE_BATCH:
570 /* popt stores the filename in batch_prefix for us */
575 /* popt stores the filename in batch_prefix for us */
581 compare_dest = (char *)poptGetOptArg(pc);
585 snprintf(err_buf,sizeof(err_buf),
586 "hard links are not supported on this %s\n",
587 am_server ? "server" : "client");
588 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
594 /* FIXME: If --daemon is specified, then errors for later
595 * parameters seem to disappear. */
596 snprintf(err_buf, sizeof(err_buf),
598 am_server ? "on remote machine: " : "",
599 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
605 if (write_batch && read_batch) {
606 snprintf(err_buf,sizeof(err_buf),
607 "write-batch and read-batch can not be used together\n");
608 rprintf(FERROR,"ERROR: write-batch and read-batch"
609 " can not be used together\n");
613 if (do_compression && (write_batch || read_batch)) {
614 snprintf(err_buf,sizeof(err_buf),
615 "compress can not be used with write-batch or read-batch\n");
616 rprintf(FERROR,"ERROR: compress can not be used with"
617 " write-batch or read-batch\n");
631 preserve_devices = 1;
634 if (relative_paths < 0)
635 relative_paths = files_from? 1 : 0;
637 *argv = poptGetArgs(pc);
639 *argc = count_args(*argv);
647 exit_cleanup(RERR_SYNTAX);
649 if (strcmp(files_from, "-") == 0)
651 else if ((colon = find_colon(files_from)) != 0) {
654 exit_cleanup(RERR_SYNTAX);
656 remote_filesfrom_file = colon+1 + (colon[1] == ':');
657 if (strcmp(remote_filesfrom_file, "-") == 0) {
658 rprintf(FERROR, "Invalid --files-from remote filename\n");
659 exit_cleanup(RERR_SYNTAX);
662 extern int sanitize_paths;
664 sanitize_path(strdup(files_from), NULL);
665 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
666 if (filesfrom_fd < 0) {
667 rsyserr(FERROR, errno,
668 "failed to open files-from file %s",
670 exit_cleanup(RERR_FILEIO);
680 * Construct a filtered list of options to pass through from the
681 * client to the server.
683 * This involves setting options that will tell the server how to
684 * behave, and also filtering out options that are processed only
687 void server_options(char **args,int *argc)
690 static char argstr[50];
691 static char bsize[30];
692 static char iotime[30];
693 static char mdelete[30];
694 static char mwindow[30];
696 /* Leave room for ``--(write|read)-batch='' */
697 static char fext[MAXPATHLEN + 15];
701 if (blocking_io == -1)
704 args[ac++] = "--server";
706 if (daemon_over_rsh) {
707 args[ac++] = "--daemon";
709 /* if we're passing --daemon, we're done */
714 args[ac++] = "--sender";
718 for (i=0;i<verbose;i++)
721 /* the -q option is intentionally left out */
735 /* We don't need to send --no-whole-file, because it's the
736 * default for remote transfers, and in any case old versions
737 * of rsync will not understand it. */
739 if (preserve_hard_links)
745 if (preserve_devices)
768 /* this is a complete hack - blame Rusty
770 this is a hack to make the list_only (remote file list)
772 if (list_only && !recurse)
777 if (x != 1) args[ac++] = argstr;
780 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
784 if (max_delete && am_sender) {
785 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
786 args[ac++] = mdelete;
789 if (batch_prefix != NULL) {
792 fmt = "--write-batch=%s";
795 fmt = "--read-batch=%s";
796 snprintf(fext,sizeof(fext),fmt,batch_prefix);
801 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
806 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
810 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
811 args[ac++] = "--suffix";
812 args[ac++] = backup_suffix;
815 if (delete_mode && !delete_excluded)
816 args[ac++] = "--delete";
819 args[ac++] = "--delete-excluded";
822 args[ac++] = "--size-only";
824 if (modify_window_set) {
825 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
827 args[ac++] = mwindow;
831 args[ac++] = "--partial";
834 args[ac++] = "--force";
837 args[ac++] = "--delete-after";
840 args[ac++] = "--ignore-errors";
842 if (copy_unsafe_links)
843 args[ac++] = "--copy-unsafe-links";
846 args[ac++] = "--safe-links";
849 args[ac++] = "--numeric-ids";
851 if (only_existing && am_sender)
852 args[ac++] = "--existing";
854 if (opt_ignore_existing && am_sender)
855 args[ac++] = "--ignore-existing";
858 args[ac++] = "--temp-dir";
862 if (backup_dir && am_sender) {
863 /* only the receiver needs this option, if we are the sender
864 * then we need to send it to the receiver.
866 args[ac++] = "--backup-dir";
867 args[ac++] = backup_dir;
870 if (compare_dest && am_sender) {
871 /* the server only needs this option if it is not the sender,
872 * and it may be an older version that doesn't know this
873 * option, so don't send it if client is the sender.
875 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
876 args[ac++] = compare_dest;
879 if (files_from && (!am_sender || remote_filesfrom_file)) {
880 if (remote_filesfrom_file) {
881 args[ac++] = "--files-from";
882 args[ac++] = remote_filesfrom_file;
884 args[ac++] = "--from0";
886 args[ac++] = "--files-from=-";
887 args[ac++] = "--from0";
895 * Return the position of a ':' IF it is not part of a filename (i.e. as
896 * long as it doesn't occur after a slash.
898 char *find_colon(char *s)
905 /* now check to see if there is a / in the string before the : - if there is then
906 discard the colon on the assumption that the : is part of a filename */
908 if (p2 && p2 < p) return NULL;