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 True, send the whole file as literal data rather than trying to
28 * create an incremental diff.
30 * If both are 0, then look at whether we're local or remote and go by
33 * @sa disable_deltas_p()
36 int no_whole_file = 0;
39 int preserve_links = 0;
40 int preserve_hard_links = 0;
41 int preserve_perms = 0;
42 int preserve_devices = 0;
45 int preserve_times = 0;
52 int delete_excluded=0;
53 int one_file_system=0;
74 int copy_unsafe_links=0;
75 int block_size=BLOCK_SIZE;
80 int opt_ignore_existing=0;
91 /** Network address family. **/
93 int default_af_hint = 0; /* Any protocol */
95 int default_af_hint = AF_INET; /* Must use IPv4 */
98 /** Do not go into the background when run as --daemon. Good
99 * for debugging and required for running as a service on W32,
100 * or under Unix process-monitors. **/
105 int suffix_specified = 0;
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));
174 #ifdef MAINTAINER_MODE
175 rprintf(f, " panic action: \"%s\"\n",
180 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
185 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
186 "are welcome to redistribute it under certain conditions. See the GNU\n"
187 "General Public Licence for details.\n"
192 void usage(enum logcode F)
194 print_rsync_version(F);
196 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
198 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
199 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
200 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
201 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
202 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
203 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
204 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
205 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
206 rprintf(F," sources separated by space as long as they have same top-level\n");
207 rprintf(F,"\nOptions\n");
208 rprintf(F," -v, --verbose increase verbosity\n");
209 rprintf(F," -q, --quiet decrease verbosity\n");
210 rprintf(F," -c, --checksum always checksum\n");
211 rprintf(F," -a, --archive archive mode\n");
212 rprintf(F," -r, --recursive recurse into directories\n");
213 rprintf(F," -R, --relative use relative path names\n");
214 rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
215 rprintf(F," --backup-dir make backups into this directory\n");
216 rprintf(F," --suffix=SUFFIX override backup suffix\n");
217 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
218 rprintf(F," -l, --links copy symlinks as symlinks\n");
219 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
220 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
221 rprintf(F," --safe-links ignore links outside the destination tree\n");
222 rprintf(F," -H, --hard-links preserve hard links\n");
223 rprintf(F," -p, --perms preserve permissions\n");
224 rprintf(F," -o, --owner preserve owner (root only)\n");
225 rprintf(F," -g, --group preserve group\n");
226 rprintf(F," -D, --devices preserve devices (root only)\n");
227 rprintf(F," -t, --times preserve times\n");
228 rprintf(F," -S, --sparse handle sparse files efficiently\n");
229 rprintf(F," -n, --dry-run show what would have been transferred\n");
230 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
231 rprintf(F," --no-whole-file turn off --whole-file\n");
232 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
233 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
234 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
235 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
236 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
237 rprintf(F," --existing only update files that already exist\n");
238 rprintf(F," --ignore-existing ignore files that already exist on the receiving side\n");
239 rprintf(F," --delete delete files that don't exist on the sending side\n");
240 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
241 rprintf(F," --delete-after delete after transferring, not before\n");
242 rprintf(F," --ignore-errors delete even if there are IO errors\n");
243 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
244 rprintf(F," --partial keep partially transferred files\n");
245 rprintf(F," --force force deletion of directories even if not empty\n");
246 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
247 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
248 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
249 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
250 rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
251 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
252 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
253 rprintf(F," -P equivalent to --partial --progress\n");
254 rprintf(F," -z, --compress compress file data\n");
255 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
256 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
257 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
258 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
259 rprintf(F," --version print version number\n");
260 rprintf(F," --daemon run as a rsync daemon\n");
261 rprintf(F," --no-detach do not detach from the parent\n");
262 rprintf(F," --address=ADDRESS bind to the specified address\n");
263 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
264 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
265 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
266 rprintf(F," --no-blocking-io turn off --blocking-io\n");
267 rprintf(F," --stats give some file transfer stats\n");
268 rprintf(F," --progress show progress during transfer\n");
269 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
270 rprintf(F," --password-file=FILE get password from FILE\n");
271 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
272 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
273 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
274 rprintf(F," -h, --help show this help screen\n");
276 rprintf(F," -4 prefer IPv4\n");
277 rprintf(F," -6 prefer IPv6\n");
282 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
283 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
286 enum {OPT_VERSION = 1000, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
287 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
288 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
289 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
290 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
291 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
292 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
293 OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO,
294 OPT_NO_BLOCKING_IO, OPT_WHOLE_FILE, OPT_NO_WHOLE_FILE,
295 OPT_MODIFY_WINDOW, OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_IGNORE_EXISTING};
297 static struct poptOption long_options[] = {
298 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
299 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
300 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, OPT_SUFFIX, 0, 0 },
301 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
302 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
303 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times , 0, 0, 0 },
304 {"size-only", 0, POPT_ARG_NONE, &size_only , 0, 0, 0 },
305 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
306 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system , 0, 0, 0 },
307 {"delete", 0, POPT_ARG_NONE, &delete_mode , 0, 0, 0 },
308 {"existing", 0, POPT_ARG_NONE, &only_existing , 0, 0, 0 },
309 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing , 0, 0, 0 },
310 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
311 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
312 {"force", 0, POPT_ARG_NONE, &force_delete , 0, 0, 0 },
313 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids , 0, 0, 0 },
314 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
315 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
316 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
317 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
318 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks , 0, 0, 0 },
319 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
320 {"backup", 'b', POPT_ARG_NONE, &make_backups , 0, 0, 0 },
321 {"dry-run", 'n', POPT_ARG_NONE, &dry_run , 0, 0, 0 },
322 {"sparse", 'S', POPT_ARG_NONE, &sparse_files , 0, 0, 0 },
323 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude , 0, 0, 0 },
324 {"update", 'u', POPT_ARG_NONE, &update_only , 0, 0, 0 },
325 {"links", 'l', POPT_ARG_NONE, &preserve_links , 0, 0, 0 },
326 {"copy-links", 'L', POPT_ARG_NONE, ©_links , 0, 0, 0 },
327 {"whole-file", 'W', POPT_ARG_NONE, 0, OPT_WHOLE_FILE, 0, 0 },
328 {"no-whole-file", 0, POPT_ARG_NONE, 0, OPT_NO_WHOLE_FILE, 0, 0 },
329 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links , 0, 0, 0 },
330 {"perms", 'p', POPT_ARG_NONE, &preserve_perms , 0, 0, 0 },
331 {"owner", 'o', POPT_ARG_NONE, &preserve_uid , 0, 0, 0 },
332 {"group", 'g', POPT_ARG_NONE, &preserve_gid , 0, 0, 0 },
333 {"devices", 'D', POPT_ARG_NONE, &preserve_devices , 0, 0, 0 },
334 {"times", 't', POPT_ARG_NONE, &preserve_times , 0, 0, 0 },
335 {"checksum", 'c', POPT_ARG_NONE, &always_checksum , 0, 0, 0 },
336 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
337 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
338 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
339 {"server", 0, POPT_ARG_NONE, &am_server , 0, 0, 0 },
340 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
341 {"recursive", 'r', POPT_ARG_NONE, &recurse , 0, 0, 0 },
342 {"relative", 'R', POPT_ARG_NONE, &relative_paths , 0, 0, 0 },
343 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd , 0, 0, 0 },
344 {"block-size", 'B', POPT_ARG_INT, &block_size , 0, 0, 0 },
345 {"max-delete", 0, POPT_ARG_INT, &max_delete , 0, 0, 0 },
346 {"timeout", 0, POPT_ARG_INT, &io_timeout , 0, 0, 0 },
347 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir , 0, 0, 0 },
348 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest , 0, 0, 0 },
349 /* TODO: Should this take an optional int giving the compression level? */
350 {"compress", 'z', POPT_ARG_NONE, &do_compression , 0, 0, 0 },
351 {"daemon", 0, POPT_ARG_NONE, &am_daemon , 0, 0, 0 },
352 {"no-detach", 0, POPT_ARG_NONE, &no_detach , 0, 0, 0 },
353 {"stats", 0, POPT_ARG_NONE, &do_stats , 0, 0, 0 },
354 {"progress", 0, POPT_ARG_NONE, &do_progress , 0, 0, 0 },
355 {"partial", 0, POPT_ARG_NONE, &keep_partial , 0, 0, 0 },
356 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors , 0, 0, 0 },
357 {"blocking-io", 0, POPT_ARG_NONE, &blocking_io , 0, 0, 0 },
358 {"no-blocking-io", 0, POPT_ARG_NONE, 0, OPT_NO_BLOCKING_IO, 0, 0 },
359 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
360 {"config", 0, POPT_ARG_STRING, &config_file , 0, 0, 0 },
361 {"port", 0, POPT_ARG_INT, &rsync_port , 0, 0, 0 },
362 {"log-format", 0, POPT_ARG_STRING, &log_format , 0, 0, 0 },
363 {"bwlimit", 0, POPT_ARG_INT, &bwlimit , 0, 0, 0 },
364 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
365 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir , 0, 0, 0 },
366 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links , 0, 0, 0 },
367 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
368 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
370 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET , 0, 0 },
371 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6 , 0, 0 },
377 static char err_buf[100];
381 * Store the option error message, if any, so that we can log the
382 * connection attempt (which requires parsing the options), and then
383 * show the error later on.
385 void option_error(void)
388 rprintf(FLOG, "%s", err_buf);
389 rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf);
391 rprintf (FERROR, "Error parsing options: "
392 "option may be supported on client but not on server?\n");
393 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
394 "option may be supported on client but not on server?\n");
400 * Check to see if we should refuse this option
402 static int check_refuse_options(char *ref, int opt)
408 for (i=0; long_options[i].longName; i++) {
409 if (long_options[i].val == opt) break;
412 if (!long_options[i].longName) return 0;
414 name = long_options[i].longName;
417 while ((p = strstr(ref,name))) {
418 if ((p==ref || p[-1]==' ') &&
419 (p[len] == ' ' || p[len] == 0)) {
420 snprintf(err_buf,sizeof(err_buf),
421 "The '%s' option is not supported by this server\n", name);
430 static int count_args(char const **argv)
434 while (argv[i] != NULL)
442 * Process command line arguments. Called on both local and remote.
444 * @retval 1 if all options are OK; with globals set to appropriate
447 * @retval 0 on error, with err_buf containing an explanation
449 int parse_arguments(int *argc, const char ***argv, int frommain)
452 char *ref = lp_refuse_options(module_id);
455 /* TODO: Call poptReadDefaultConfig; handle errors. */
457 /* The context leaks in case of an error, but if there's a
458 * problem we always exit anyhow. */
459 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
461 while ((opt = poptGetNextOpt(pc)) != -1) {
463 if (check_refuse_options(ref, opt)) return 0;
466 /* most options are handled automatically by popt;
467 * only special cases are returned and listed here. */
471 print_rsync_version(FINFO);
475 /* The value has already been set by popt, but
476 * we need to remember that a suffix was specified
477 * in case a backup-directory is used. */
478 suffix_specified = 1;
481 case OPT_MODIFY_WINDOW:
482 /* The value has already been set by popt, but
483 * we need to remember that we're using a
484 * non-default setting. */
485 modify_window_set = 1;
488 case OPT_DELETE_AFTER:
493 case OPT_DELETE_EXCLUDED:
499 add_exclude(poptGetOptArg(pc), 0);
503 add_exclude(poptGetOptArg(pc), 1);
506 case OPT_EXCLUDE_FROM:
507 add_exclude_file(poptGetOptArg(pc), 1, 0);
510 case OPT_INCLUDE_FROM:
511 add_exclude_file(poptGetOptArg(pc), 1, 1);
519 case OPT_NO_WHOLE_FILE:
524 case OPT_NO_BLOCKING_IO:
533 #if SUPPORT_HARD_LINKS
534 preserve_hard_links=1;
536 /* FIXME: Don't say "server" if this is
537 * happening on the client. */
538 /* FIXME: Why do we have the duplicated
539 * rprintf? Everybody who gets this message
540 * ought to send it to the client and also to
542 snprintf(err_buf,sizeof(err_buf),
543 "hard links are not supported on this %s\n",
544 am_server ? "server" : "client");
545 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
547 #endif /* SUPPORT_HARD_LINKS */
555 if (frommain) quiet++;
573 exit_cleanup(RERR_SYNTAX);
583 case OPT_WRITE_BATCH:
584 /* popt stores the filename in batch_prefix for us */
589 /* popt stores the filename in batch_prefix for us */
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");
621 *argv = poptGetArgs(pc);
623 *argc = count_args(*argv);
632 * Construct a filtered list of options to pass through from the
633 * client to the server.
635 * This involves setting options that will tell the server how to
636 * behave, and also filtering out options that are processed only
639 void server_options(char **args,int *argc)
642 static char argstr[50];
643 static char bsize[30];
644 static char iotime[30];
645 static char mdelete[30];
646 static char mwindow[30];
648 /* Leave room for ``--(write|read)-batch='' */
649 static char fext[MAXPATHLEN + 15];
653 if (blocking_io == -1)
656 args[ac++] = "--server";
659 args[ac++] = "--sender";
663 for (i=0;i<verbose;i++)
666 /* the -q option is intentionally left out */
678 assert(whole_file == 0 || whole_file == 1);
681 /* We don't need to send --no-whole-file, because it's the
682 * default for remote transfers, and in any case old versions
683 * of rsync will not understand it. */
685 if (preserve_hard_links)
691 if (preserve_devices)
714 /* this is a complete hack - blame Rusty
716 this is a hack to make the list_only (remote file list)
718 if (list_only && !recurse)
723 if (x != 1) args[ac++] = argstr;
725 if (block_size != BLOCK_SIZE) {
726 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
730 if (max_delete && am_sender) {
731 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
732 args[ac++] = mdelete;
735 if (batch_prefix != NULL) {
738 fmt = "--write-batch=%s";
741 fmt = "--read-batch=%s";
742 snprintf(fext,sizeof(fext),fmt,batch_prefix);
747 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
752 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
756 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
757 args[ac++] = "--suffix";
758 args[ac++] = backup_suffix;
761 if (delete_mode && !delete_excluded)
762 args[ac++] = "--delete";
765 args[ac++] = "--delete-excluded";
768 args[ac++] = "--size-only";
770 if (modify_window_set) {
771 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
773 args[ac++] = mwindow;
777 args[ac++] = "--partial";
780 args[ac++] = "--force";
783 args[ac++] = "--delete-after";
786 args[ac++] = "--ignore-errors";
788 if (copy_unsafe_links)
789 args[ac++] = "--copy-unsafe-links";
792 args[ac++] = "--safe-links";
795 args[ac++] = "--numeric-ids";
797 if (only_existing && am_sender)
798 args[ac++] = "--existing";
800 if (opt_ignore_existing && am_sender)
801 args[ac++] = "--ignore-existing";
804 args[ac++] = "--temp-dir";
808 if (backup_dir && am_sender) {
809 /* only the receiver needs this option, if we are the sender
810 * then we need to send it to the receiver.
812 args[ac++] = "--backup-dir";
813 args[ac++] = backup_dir;
816 if (compare_dest && am_sender) {
817 /* the server only needs this option if it is not the sender,
818 * and it may be an older version that doesn't know this
819 * option, so don't send it if client is the sender.
821 args[ac++] = "--compare-dest";
822 args[ac++] = compare_dest;