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;
70 int daemon_over_rsh = 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. **/
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," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
218 rprintf(F," --backup-dir make backups into this directory\n");
219 rprintf(F," --suffix=SUFFIX override backup suffix\n");
220 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
221 rprintf(F," -l, --links copy symlinks as symlinks\n");
222 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
223 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
224 rprintf(F," --safe-links ignore links outside the destination tree\n");
225 rprintf(F," -H, --hard-links preserve hard links\n");
226 rprintf(F," -p, --perms preserve permissions\n");
227 rprintf(F," -o, --owner preserve owner (root only)\n");
228 rprintf(F," -g, --group preserve group\n");
229 rprintf(F," -D, --devices preserve devices (root only)\n");
230 rprintf(F," -t, --times preserve times\n");
231 rprintf(F," -S, --sparse handle sparse files efficiently\n");
232 rprintf(F," -n, --dry-run show what would have been transferred\n");
233 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
234 rprintf(F," --no-whole-file turn off --whole-file\n");
235 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
236 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
237 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
238 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
239 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
240 rprintf(F," --existing only update files that already exist\n");
241 rprintf(F," --ignore-existing ignore files that already exist on the receiving side\n");
242 rprintf(F," --delete delete files that don't exist on the sending side\n");
243 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
244 rprintf(F," --delete-after delete after transferring, not before\n");
245 rprintf(F," --ignore-errors delete even if there are IO errors\n");
246 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
247 rprintf(F," --partial keep partially transferred files\n");
248 rprintf(F," --force force deletion of directories even if not empty\n");
249 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
250 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
251 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
252 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
253 rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
254 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
255 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
256 rprintf(F," -P equivalent to --partial --progress\n");
257 rprintf(F," -z, --compress compress file data\n");
258 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
259 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
260 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
261 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
262 rprintf(F," --version print version number\n");
263 rprintf(F," --daemon run as a rsync daemon\n");
264 rprintf(F," --no-detach do not detach from the parent\n");
265 rprintf(F," --address=ADDRESS bind to the specified address\n");
266 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
267 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
268 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
269 rprintf(F," --no-blocking-io turn off --blocking-io\n");
270 rprintf(F," --stats give some file transfer stats\n");
271 rprintf(F," --progress show progress during transfer\n");
272 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
273 rprintf(F," --password-file=FILE get password from FILE\n");
274 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
275 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
276 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
277 rprintf(F," -h, --help show this help screen\n");
279 rprintf(F," -4 prefer IPv4\n");
280 rprintf(F," -6 prefer IPv6\n");
285 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
286 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
289 enum {OPT_VERSION = 1000, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
290 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
291 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
292 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
293 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST, OPT_LINK_DEST,
294 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
295 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
296 OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO,
297 OPT_NO_BLOCKING_IO, OPT_WHOLE_FILE, OPT_NO_WHOLE_FILE,
298 OPT_MODIFY_WINDOW, OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_IGNORE_EXISTING};
300 static struct poptOption long_options[] = {
301 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
302 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
303 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, OPT_SUFFIX, 0, 0 },
304 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
305 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
306 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times , 0, 0, 0 },
307 {"size-only", 0, POPT_ARG_NONE, &size_only , 0, 0, 0 },
308 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
309 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system , 0, 0, 0 },
310 {"delete", 0, POPT_ARG_NONE, &delete_mode , 0, 0, 0 },
311 {"existing", 0, POPT_ARG_NONE, &only_existing , 0, 0, 0 },
312 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing , 0, 0, 0 },
313 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
314 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
315 {"force", 0, POPT_ARG_NONE, &force_delete , 0, 0, 0 },
316 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids , 0, 0, 0 },
317 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
318 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
319 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
320 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
321 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks , 0, 0, 0 },
322 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
323 {"backup", 'b', POPT_ARG_NONE, &make_backups , 0, 0, 0 },
324 {"dry-run", 'n', POPT_ARG_NONE, &dry_run , 0, 0, 0 },
325 {"sparse", 'S', POPT_ARG_NONE, &sparse_files , 0, 0, 0 },
326 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude , 0, 0, 0 },
327 {"update", 'u', POPT_ARG_NONE, &update_only , 0, 0, 0 },
328 {"links", 'l', POPT_ARG_NONE, &preserve_links , 0, 0, 0 },
329 {"copy-links", 'L', POPT_ARG_NONE, ©_links , 0, 0, 0 },
330 {"whole-file", 'W', POPT_ARG_NONE, 0, OPT_WHOLE_FILE, 0, 0 },
331 {"no-whole-file", 0, POPT_ARG_NONE, 0, OPT_NO_WHOLE_FILE, 0, 0 },
332 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links , 0, 0, 0 },
333 {"perms", 'p', POPT_ARG_NONE, &preserve_perms , 0, 0, 0 },
334 {"owner", 'o', POPT_ARG_NONE, &preserve_uid , 0, 0, 0 },
335 {"group", 'g', POPT_ARG_NONE, &preserve_gid , 0, 0, 0 },
336 {"devices", 'D', POPT_ARG_NONE, &preserve_devices , 0, 0, 0 },
337 {"times", 't', POPT_ARG_NONE, &preserve_times , 0, 0, 0 },
338 {"checksum", 'c', POPT_ARG_NONE, &always_checksum , 0, 0, 0 },
339 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
340 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
341 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
342 {"server", 0, POPT_ARG_NONE, &am_server , 0, 0, 0 },
343 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
344 {"recursive", 'r', POPT_ARG_NONE, &recurse , 0, 0, 0 },
345 {"relative", 'R', POPT_ARG_NONE, &relative_paths , 0, 0, 0 },
346 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd , 0, 0, 0 },
347 {"block-size", 'B', POPT_ARG_INT, &block_size , 0, 0, 0 },
348 {"max-delete", 0, POPT_ARG_INT, &max_delete , 0, 0, 0 },
349 {"timeout", 0, POPT_ARG_INT, &io_timeout , 0, 0, 0 },
350 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir , 0, 0, 0 },
351 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest , 0, 0, 0 },
352 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
353 /* TODO: Should this take an optional int giving the compression level? */
354 {"compress", 'z', POPT_ARG_NONE, &do_compression , 0, 0, 0 },
355 {"daemon", 0, POPT_ARG_NONE, &am_daemon , 0, 0, 0 },
356 {"no-detach", 0, POPT_ARG_NONE, &no_detach , 0, 0, 0 },
357 {"stats", 0, POPT_ARG_NONE, &do_stats , 0, 0, 0 },
358 {"progress", 0, POPT_ARG_NONE, &do_progress , 0, 0, 0 },
359 {"partial", 0, POPT_ARG_NONE, &keep_partial , 0, 0, 0 },
360 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors , 0, 0, 0 },
361 {"blocking-io", 0, POPT_ARG_NONE, &blocking_io , 0, 0, 0 },
362 {"no-blocking-io", 0, POPT_ARG_NONE, 0, OPT_NO_BLOCKING_IO, 0, 0 },
363 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
364 {"config", 0, POPT_ARG_STRING, &config_file , 0, 0, 0 },
365 {"port", 0, POPT_ARG_INT, &rsync_port , 0, 0, 0 },
366 {"log-format", 0, POPT_ARG_STRING, &log_format , 0, 0, 0 },
367 {"bwlimit", 0, POPT_ARG_INT, &bwlimit , 0, 0, 0 },
368 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
369 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir , 0, 0, 0 },
370 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links , 0, 0, 0 },
371 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
372 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
374 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET , 0, 0 },
375 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6 , 0, 0 },
381 static char err_buf[100];
385 * Store the option error message, if any, so that we can log the
386 * connection attempt (which requires parsing the options), and then
387 * show the error later on.
389 void option_error(void)
392 rprintf(FLOG, "%s", err_buf);
393 rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf);
395 rprintf (FERROR, "Error parsing options: "
396 "option may be supported on client but not on server?\n");
397 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
398 "option may be supported on client but not on server?\n");
404 * Check to see if we should refuse this option
406 static int check_refuse_options(char *ref, int opt)
412 for (i=0; long_options[i].longName; i++) {
413 if (long_options[i].val == opt) break;
416 if (!long_options[i].longName) return 0;
418 name = long_options[i].longName;
421 while ((p = strstr(ref,name))) {
422 if ((p==ref || p[-1]==' ') &&
423 (p[len] == ' ' || p[len] == 0)) {
424 snprintf(err_buf,sizeof(err_buf),
425 "The '%s' option is not supported by this server\n", name);
434 static int count_args(char const **argv)
438 while (argv[i] != NULL)
446 * Process command line arguments. Called on both local and remote.
448 * @retval 1 if all options are OK; with globals set to appropriate
451 * @retval 0 on error, with err_buf containing an explanation
453 int parse_arguments(int *argc, const char ***argv, int frommain)
456 char *ref = lp_refuse_options(module_id);
459 /* TODO: Call poptReadDefaultConfig; handle errors. */
461 /* The context leaks in case of an error, but if there's a
462 * problem we always exit anyhow. */
463 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
465 while ((opt = poptGetNextOpt(pc)) != -1) {
467 if (check_refuse_options(ref, opt)) return 0;
470 /* most options are handled automatically by popt;
471 * only special cases are returned and listed here. */
475 print_rsync_version(FINFO);
479 /* The value has already been set by popt, but
480 * we need to remember that a suffix was specified
481 * in case a backup-directory is used. */
482 suffix_specified = 1;
485 case OPT_MODIFY_WINDOW:
486 /* The value has already been set by popt, but
487 * we need to remember that we're using a
488 * non-default setting. */
489 modify_window_set = 1;
492 case OPT_DELETE_AFTER:
497 case OPT_DELETE_EXCLUDED:
503 add_exclude(poptGetOptArg(pc), 0);
507 add_exclude(poptGetOptArg(pc), 1);
510 case OPT_EXCLUDE_FROM:
511 add_exclude_file(poptGetOptArg(pc), 1, 0);
514 case OPT_INCLUDE_FROM:
515 add_exclude_file(poptGetOptArg(pc), 1, 1);
523 case OPT_NO_WHOLE_FILE:
528 case OPT_NO_BLOCKING_IO:
537 #if SUPPORT_HARD_LINKS
538 preserve_hard_links=1;
540 /* FIXME: Don't say "server" if this is
541 * happening on the client. */
542 /* FIXME: Why do we have the duplicated
543 * rprintf? Everybody who gets this message
544 * ought to send it to the client and also to
546 snprintf(err_buf,sizeof(err_buf),
547 "hard links are not supported on this %s\n",
548 am_server ? "server" : "client");
549 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
551 #endif /* SUPPORT_HARD_LINKS */
559 if (frommain) quiet++;
577 exit_cleanup(RERR_SYNTAX);
587 case OPT_WRITE_BATCH:
588 /* popt stores the filename in batch_prefix for us */
593 /* popt stores the filename in batch_prefix for us */
598 compare_dest = (char *)poptGetOptArg(pc);
602 snprintf(err_buf,sizeof(err_buf),
603 "hard links are not supported on this %s\n",
604 am_server ? "server" : "client");
605 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
611 /* FIXME: If --daemon is specified, then errors for later
612 * parameters seem to disappear. */
613 snprintf(err_buf, sizeof(err_buf),
615 am_server ? "on remote machine: " : "",
616 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
622 if (write_batch && read_batch) {
623 snprintf(err_buf,sizeof(err_buf),
624 "write-batch and read-batch can not be used together\n");
625 rprintf(FERROR,"ERROR: write-batch and read-batch"
626 " can not be used together\n");
630 if (do_compression && (write_batch || read_batch)) {
631 snprintf(err_buf,sizeof(err_buf),
632 "compress can not be used with write-batch or read-batch\n");
633 rprintf(FERROR,"ERROR: compress can not be used with"
634 " write-batch or read-batch\n");
638 *argv = poptGetArgs(pc);
640 *argc = count_args(*argv);
649 * Construct a filtered list of options to pass through from the
650 * client to the server.
652 * This involves setting options that will tell the server how to
653 * behave, and also filtering out options that are processed only
656 void server_options(char **args,int *argc)
659 static char argstr[50];
660 static char bsize[30];
661 static char iotime[30];
662 static char mdelete[30];
663 static char mwindow[30];
665 /* Leave room for ``--(write|read)-batch='' */
666 static char fext[MAXPATHLEN + 15];
670 if (blocking_io == -1)
673 args[ac++] = "--server";
675 if (daemon_over_rsh) {
676 args[ac++] = "--daemon";
678 /* if we're passing --daemon, we're done */
683 args[ac++] = "--sender";
687 for (i=0;i<verbose;i++)
690 /* the -q option is intentionally left out */
702 assert(whole_file == 0 || whole_file == 1);
705 /* We don't need to send --no-whole-file, because it's the
706 * default for remote transfers, and in any case old versions
707 * of rsync will not understand it. */
709 if (preserve_hard_links)
715 if (preserve_devices)
738 /* this is a complete hack - blame Rusty
740 this is a hack to make the list_only (remote file list)
742 if (list_only && !recurse)
747 if (x != 1) args[ac++] = argstr;
749 if (block_size != BLOCK_SIZE) {
750 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
754 if (max_delete && am_sender) {
755 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
756 args[ac++] = mdelete;
759 if (batch_prefix != NULL) {
762 fmt = "--write-batch=%s";
765 fmt = "--read-batch=%s";
766 snprintf(fext,sizeof(fext),fmt,batch_prefix);
771 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
776 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
780 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
781 args[ac++] = "--suffix";
782 args[ac++] = backup_suffix;
785 if (delete_mode && !delete_excluded)
786 args[ac++] = "--delete";
789 args[ac++] = "--delete-excluded";
792 args[ac++] = "--size-only";
794 if (modify_window_set) {
795 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
797 args[ac++] = mwindow;
801 args[ac++] = "--partial";
804 args[ac++] = "--force";
807 args[ac++] = "--delete-after";
810 args[ac++] = "--ignore-errors";
812 if (copy_unsafe_links)
813 args[ac++] = "--copy-unsafe-links";
816 args[ac++] = "--safe-links";
819 args[ac++] = "--numeric-ids";
821 if (only_existing && am_sender)
822 args[ac++] = "--existing";
824 if (opt_ignore_existing && am_sender)
825 args[ac++] = "--ignore-existing";
828 args[ac++] = "--temp-dir";
832 if (backup_dir && am_sender) {
833 /* only the receiver needs this option, if we are the sender
834 * then we need to send it to the receiver.
836 args[ac++] = "--backup-dir";
837 args[ac++] = backup_dir;
840 if (compare_dest && am_sender) {
841 /* the server only needs this option if it is not the sender,
842 * and it may be an older version that doesn't know this
843 * option, so don't send it if client is the sender.
845 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
846 args[ac++] = compare_dest;