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 * Should we send the whole file as literal data rather than trying to
28 * create an incremental diff? This is on by default when both source
29 * and destination are local and we're not doing a batch delta,
30 * because there it's no cheaper to read the whole basis file than to
33 * If both are 0, then look at whether we're local or remote and go by
37 int no_whole_file = 0;
40 int preserve_links = 0;
41 int preserve_hard_links = 0;
42 int preserve_perms = 0;
43 int preserve_devices = 0;
46 int preserve_times = 0;
53 int delete_excluded=0;
54 int one_file_system=0;
75 int copy_unsafe_links=0;
76 int block_size=BLOCK_SIZE;
81 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. **/
107 char *backup_suffix = BACKUP_SUFFIX;
109 char *compare_dest = NULL;
110 char *config_file = RSYNCD_CONF;
111 char *shell_cmd = NULL;
112 char *log_format = NULL;
113 char *password_file = NULL;
114 char *rsync_path = RSYNC_PATH;
115 char *backup_dir = NULL;
116 int rsync_port = RSYNC_PORT;
120 int always_checksum = 0;
123 char *batch_prefix = NULL;
125 static int modify_window_set;
127 /** Local address to bind. As a character string because it's
128 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
129 * address, or a hostname. **/
133 static void print_rsync_version(enum logcode f)
135 char const *got_socketpair = "no ";
136 char const *hardlinks = "no ";
137 char const *links = "no ";
138 char const *ipv6 = "no ";
139 STRUCT_STAT *dumstat;
141 #ifdef HAVE_SOCKETPAIR
145 #if SUPPORT_HARD_LINKS
157 rprintf(f, "%s version %s protocol version %d\n",
158 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
160 "Copyright (C) 1996-2002 by Andrew Tridgell and others\n");
161 rprintf(f, "<http://rsync.samba.org/>\n");
162 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
163 "%shard links, %ssymlinks, batchfiles, \n",
164 (int) (sizeof(OFF_T) * 8),
165 got_socketpair, hardlinks, links);
167 /* Note that this field may not have type ino_t. It depends
168 * on the complicated interaction between largefile feature
170 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
172 (int) (sizeof(dumstat->st_ino) * 8),
173 (int) (sizeof(INO64_T) * 8));
176 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
181 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
182 "are welcome to redistribute it under certain conditions. See the GNU\n"
183 "General Public Licence for details.\n"
188 void usage(enum logcode F)
190 print_rsync_version(F);
192 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
194 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
195 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
196 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
197 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
198 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
199 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
200 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
201 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
202 rprintf(F," sources separated by space as long as they have same top-level\n");
203 rprintf(F,"\nOptions\n");
204 rprintf(F," -v, --verbose increase verbosity\n");
205 rprintf(F," -q, --quiet decrease verbosity\n");
206 rprintf(F," -c, --checksum always checksum\n");
207 rprintf(F," -a, --archive archive mode\n");
208 rprintf(F," -r, --recursive recurse into directories\n");
209 rprintf(F," -R, --relative use relative path names\n");
210 rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
211 rprintf(F," --backup-dir make backups into this directory\n");
212 rprintf(F," --suffix=SUFFIX override backup suffix\n");
213 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
214 rprintf(F," -l, --links copy symlinks as symlinks\n");
215 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
216 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
217 rprintf(F," --safe-links ignore links outside the destination tree\n");
218 rprintf(F," -H, --hard-links preserve hard links\n");
219 rprintf(F," -p, --perms preserve permissions\n");
220 rprintf(F," -o, --owner preserve owner (root only)\n");
221 rprintf(F," -g, --group preserve group\n");
222 rprintf(F," -D, --devices preserve devices (root only)\n");
223 rprintf(F," -t, --times preserve times\n");
224 rprintf(F," -S, --sparse handle sparse files efficiently\n");
225 rprintf(F," -n, --dry-run show what would have been transferred\n");
226 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
227 rprintf(F," --no-whole-file turn off --whole-file\n");
228 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
229 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
230 rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
231 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
232 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
233 rprintf(F," --existing only update files that already exist\n");
234 rprintf(F," --ignore-existing ignore files that already exist on the receiving side\n");
235 rprintf(F," --delete delete files that don't exist on the sending side\n");
236 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
237 rprintf(F," --delete-after delete after transferring, not before\n");
238 rprintf(F," --ignore-errors delete even if there are IO errors\n");
239 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
240 rprintf(F," --partial keep partially transferred files\n");
241 rprintf(F," --force force deletion of directories even if not empty\n");
242 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
243 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
244 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
245 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
246 rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
247 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
248 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
249 rprintf(F," -P equivalent to --partial --progress\n");
250 rprintf(F," -z, --compress compress file data\n");
251 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
252 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
253 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
254 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
255 rprintf(F," --version print version number\n");
256 rprintf(F," --daemon run as a rsync daemon\n");
257 rprintf(F," --no-detach do not detach from the parent\n");
258 rprintf(F," --address=ADDRESS bind to the specified address\n");
259 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
260 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
261 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
262 rprintf(F," --no-blocking-io turn off --blocking-io\n");
263 rprintf(F," --stats give some file transfer stats\n");
264 rprintf(F," --progress show progress during transfer\n");
265 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
266 rprintf(F," --password-file=FILE get password from FILE\n");
267 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
268 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
269 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
270 rprintf(F," -h, --help show this help screen\n");
272 rprintf(F," -4 prefer IPv4\n");
273 rprintf(F," -6 prefer IPv6\n");
278 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
279 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
282 enum {OPT_VERSION = 1000, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
283 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
284 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
285 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
286 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
287 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
288 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
289 OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO,
290 OPT_NO_BLOCKING_IO, OPT_WHOLE_FILE, OPT_NO_WHOLE_FILE,
291 OPT_MODIFY_WINDOW, OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_IGNORE_EXISTING};
293 static struct poptOption long_options[] = {
294 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
295 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
296 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
297 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
298 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
299 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times , 0, 0, 0 },
300 {"size-only", 0, POPT_ARG_NONE, &size_only , 0, 0, 0 },
301 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
302 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system , 0, 0, 0 },
303 {"delete", 0, POPT_ARG_NONE, &delete_mode , 0, 0, 0 },
304 {"existing", 0, POPT_ARG_NONE, &only_existing , 0, 0, 0 },
305 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing , 0, 0, 0 },
306 {"delete-after", 0, POPT_ARG_NONE, &delete_after , 0, 0, 0 },
307 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
308 {"force", 0, POPT_ARG_NONE, &force_delete , 0, 0, 0 },
309 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids , 0, 0, 0 },
310 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
311 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
312 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
313 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
314 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks , 0, 0, 0 },
315 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
316 {"backup", 'b', POPT_ARG_NONE, &make_backups , 0, 0, 0 },
317 {"dry-run", 'n', POPT_ARG_NONE, &dry_run , 0, 0, 0 },
318 {"sparse", 'S', POPT_ARG_NONE, &sparse_files , 0, 0, 0 },
319 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude , 0, 0, 0 },
320 {"update", 'u', POPT_ARG_NONE, &update_only , 0, 0, 0 },
321 {"links", 'l', POPT_ARG_NONE, &preserve_links , 0, 0, 0 },
322 {"copy-links", 'L', POPT_ARG_NONE, ©_links , 0, 0, 0 },
323 {"whole-file", 'W', POPT_ARG_NONE, 0, OPT_WHOLE_FILE, 0, 0 },
324 {"no-whole-file", 0, POPT_ARG_NONE, 0, OPT_NO_WHOLE_FILE, 0, 0 },
325 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links , 0, 0, 0 },
326 {"perms", 'p', POPT_ARG_NONE, &preserve_perms , 0, 0, 0 },
327 {"owner", 'o', POPT_ARG_NONE, &preserve_uid , 0, 0, 0 },
328 {"group", 'g', POPT_ARG_NONE, &preserve_gid , 0, 0, 0 },
329 {"devices", 'D', POPT_ARG_NONE, &preserve_devices , 0, 0, 0 },
330 {"times", 't', POPT_ARG_NONE, &preserve_times , 0, 0, 0 },
331 {"checksum", 'c', POPT_ARG_NONE, &always_checksum , 0, 0, 0 },
332 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
333 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
334 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
335 {"server", 0, POPT_ARG_NONE, &am_server , 0, 0, 0 },
336 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
337 {"recursive", 'r', POPT_ARG_NONE, &recurse , 0, 0, 0 },
338 {"relative", 'R', POPT_ARG_NONE, &relative_paths , 0, 0, 0 },
339 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd , 0, 0, 0 },
340 {"block-size", 'B', POPT_ARG_INT, &block_size , 0, 0, 0 },
341 {"max-delete", 0, POPT_ARG_INT, &max_delete , 0, 0, 0 },
342 {"timeout", 0, POPT_ARG_INT, &io_timeout , 0, 0, 0 },
343 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir , 0, 0, 0 },
344 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest , 0, 0, 0 },
345 /* TODO: Should this take an optional int giving the compression level? */
346 {"compress", 'z', POPT_ARG_NONE, &do_compression , 0, 0, 0 },
347 {"daemon", 0, POPT_ARG_NONE, &am_daemon , 0, 0, 0 },
348 {"no-detach", 0, POPT_ARG_NONE, &no_detach , 0, 0, 0 },
349 {"stats", 0, POPT_ARG_NONE, &do_stats , 0, 0, 0 },
350 {"progress", 0, POPT_ARG_NONE, &do_progress , 0, 0, 0 },
351 {"partial", 0, POPT_ARG_NONE, &keep_partial , 0, 0, 0 },
352 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors , 0, 0, 0 },
353 {"blocking-io", 0, POPT_ARG_NONE, &blocking_io , 0, 0, 0 },
354 {"no-blocking-io", 0, POPT_ARG_NONE, 0, OPT_NO_BLOCKING_IO, 0, 0 },
355 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
356 {"config", 0, POPT_ARG_STRING, &config_file , 0, 0, 0 },
357 {"port", 0, POPT_ARG_INT, &rsync_port , 0, 0, 0 },
358 {"log-format", 0, POPT_ARG_STRING, &log_format , 0, 0, 0 },
359 {"bwlimit", 0, POPT_ARG_INT, &bwlimit , 0, 0, 0 },
360 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
361 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir , 0, 0, 0 },
362 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links , 0, 0, 0 },
363 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
364 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
366 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET , 0, 0 },
367 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6 , 0, 0 },
373 static char err_buf[100];
376 /* We store the option error message, if any, so that we can log the
377 connection attempt (which requires parsing the options), and then
378 show the error later on. */
379 void option_error(void)
382 rprintf(FLOG, "%s", err_buf);
383 rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf);
385 rprintf (FERROR, "Error parsing options: "
386 "option may be supported on client but not on server?\n");
387 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
388 "option may be supported on client but not on server?\n");
392 /* check to see if we should refuse this option */
393 static int check_refuse_options(char *ref, int opt)
399 for (i=0; long_options[i].longName; i++) {
400 if (long_options[i].val == opt) break;
403 if (!long_options[i].longName) return 0;
405 name = long_options[i].longName;
408 while ((p = strstr(ref,name))) {
409 if ((p==ref || p[-1]==' ') &&
410 (p[len] == ' ' || p[len] == 0)) {
411 snprintf(err_buf,sizeof(err_buf),
412 "The '%s' option is not supported by this server\n", name);
421 static int count_args(char const **argv)
425 while (argv[i] != NULL)
432 /* Process command line arguments. Called on both local and remote.
433 * Returns if all options are OK, otherwise fills in err_buf and
435 int parse_arguments(int *argc, const char ***argv, int frommain)
438 char *ref = lp_refuse_options(module_id);
441 /* TODO: Call poptReadDefaultConfig; handle errors. */
443 /* The context leaks in case of an error, but if there's a
444 * problem we always exit anyhow. */
445 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
447 while ((opt = poptGetNextOpt(pc)) != -1) {
449 if (check_refuse_options(ref, opt)) return 0;
452 /* most options are handled automatically by popt;
453 * only special cases are returned and listed here. */
457 print_rsync_version(FINFO);
460 case OPT_MODIFY_WINDOW:
461 /* The value has already been set by popt, but
462 * we need to remember that we're using a
463 * non-default setting. */
464 modify_window_set = 1;
467 case OPT_DELETE_EXCLUDED:
473 add_exclude(poptGetOptArg(pc), 0);
477 add_exclude(poptGetOptArg(pc), 1);
480 case OPT_EXCLUDE_FROM:
481 add_exclude_file(poptGetOptArg(pc), 1, 0);
484 case OPT_INCLUDE_FROM:
485 add_exclude_file(poptGetOptArg(pc), 1, 1);
493 case OPT_NO_WHOLE_FILE:
498 case OPT_NO_BLOCKING_IO:
507 #if SUPPORT_HARD_LINKS
508 preserve_hard_links=1;
510 /* FIXME: Don't say "server" if this is
511 * happening on the client. */
512 /* FIXME: Why do we have the duplicated
513 * rprintf? Everybody who gets this message
514 * ought to send it to the client and also to
516 snprintf(err_buf,sizeof(err_buf),
517 "hard links are not supported on this %s\n",
518 am_server ? "server" : "client");
519 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
521 #endif /* SUPPORT_HARD_LINKS */
529 if (frommain) quiet++;
547 exit_cleanup(RERR_SYNTAX);
557 case OPT_WRITE_BATCH:
558 /* popt stores the filename in batch_prefix for us */
563 /* popt stores the filename in batch_prefix for us */
568 /* FIXME: If --daemon is specified, then errors for later
569 * parameters seem to disappear. */
570 snprintf(err_buf, sizeof(err_buf),
572 am_server ? "on remote machine: " : "",
573 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
579 if (write_batch && read_batch) {
580 snprintf(err_buf,sizeof(err_buf),
581 "write-batch and read-batch can not be used together\n");
582 rprintf(FERROR,"ERROR: write-batch and read-batch"
583 " can not be used together\n");
587 if (do_compression && (write_batch || read_batch)) {
588 snprintf(err_buf,sizeof(err_buf),
589 "compress can not be used with write-batch or read-batch\n");
590 rprintf(FERROR,"ERROR: compress can not be used with"
591 " write-batch or read-batch\n");
595 *argv = poptGetArgs(pc);
597 *argc = count_args(*argv);
605 /* Construct a filtered list of options to pass through from the
606 * client to the server */
607 void server_options(char **args,int *argc)
610 static char argstr[50];
611 static char bsize[30];
612 static char iotime[30];
613 static char mdelete[30];
614 static char mwindow[30];
616 /* Leave room for ``--(write|read)-batch='' */
617 static char fext[MAXPATHLEN + 15];
621 if (blocking_io == -1)
624 args[ac++] = "--server";
627 args[ac++] = "--sender";
631 for (i=0;i<verbose;i++)
634 /* the -q option is intentionally left out */
646 assert(whole_file == 0 || whole_file == 1);
649 /* We don't need to send --no-whole-file, because it's the
650 * default for remote transfers, and in any case old versions
651 * of rsync will not understand it. */
653 if (preserve_hard_links)
659 if (preserve_devices)
682 /* this is a complete hack - blame Rusty
684 this is a hack to make the list_only (remote file list)
686 if (list_only && !recurse)
691 if (x != 1) args[ac++] = argstr;
693 if (block_size != BLOCK_SIZE) {
694 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
698 if (max_delete && am_sender) {
699 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
700 args[ac++] = mdelete;
703 if (batch_prefix != NULL) {
706 fmt = "--write-batch=%s";
709 fmt = "--read-batch=%s";
710 snprintf(fext,sizeof(fext),fmt,batch_prefix);
715 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
720 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
724 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
725 args[ac++] = "--suffix";
726 args[ac++] = backup_suffix;
729 if (delete_mode && !delete_excluded)
730 args[ac++] = "--delete";
733 args[ac++] = "--delete-excluded";
736 args[ac++] = "--size-only";
738 if (modify_window_set) {
739 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
741 args[ac++] = mwindow;
745 args[ac++] = "--partial";
748 args[ac++] = "--force";
751 args[ac++] = "--delete-after";
754 args[ac++] = "--ignore-errors";
756 if (copy_unsafe_links)
757 args[ac++] = "--copy-unsafe-links";
760 args[ac++] = "--safe-links";
763 args[ac++] = "--numeric-ids";
765 if (only_existing && am_sender)
766 args[ac++] = "--existing";
768 if (opt_ignore_existing && am_sender)
769 args[ac++] = "--ignore-existing";
772 args[ac++] = "--temp-dir";
776 if (backup_dir && am_sender) {
777 /* only the receiver needs this option, if we are the sender
778 * then we need to send it to the receiver.
780 args[ac++] = "--backup-dir";
781 args[ac++] = backup_dir;
784 if (compare_dest && am_sender) {
785 /* the server only needs this option if it is not the sender,
786 * and it may be an older version that doesn't know this
787 * option, so don't send it if client is the sender.
789 args[ac++] = "--compare-dest";
790 args[ac++] = compare_dest;