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 struct exclude_struct **exclude_list;
29 * If 1, send the whole file as literal data rather than trying to
30 * create an incremental diff.
32 * If -1, then look at whether we're local or remote and go by that.
34 * @sa disable_deltas_p()
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;
60 int relative_paths = -1;
70 char *files_from = NULL;
71 int filesfrom_fd = -1;
72 char *remote_filesfrom_file = NULL;
76 int daemon_over_rsh = 0;
81 int copy_unsafe_links=0;
87 int opt_ignore_existing=0;
94 /** Network address family. **/
96 int default_af_hint = 0; /* Any protocol */
98 int default_af_hint = AF_INET; /* Must use IPv4 */
101 /** Do not go into the background when run as --daemon. Good
102 * for debugging and required for running as a service on W32,
103 * or under Unix process-monitors. **/
108 int backup_dir_len = 0;
109 int backup_suffix_len;
111 char *backup_suffix = NULL;
113 char *compare_dest = NULL;
114 char *config_file = NULL;
115 char *shell_cmd = NULL;
116 char *log_format = NULL;
117 char *password_file = NULL;
118 char *rsync_path = RSYNC_PATH;
119 char *backup_dir = NULL;
120 int rsync_port = RSYNC_PORT;
125 int always_checksum = 0;
128 char *batch_prefix = NULL;
130 static int modify_window_set;
132 /** Local address to bind. As a character string because it's
133 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
134 * address, or a hostname. **/
138 static void print_rsync_version(enum logcode f)
140 char const *got_socketpair = "no ";
141 char const *hardlinks = "no ";
142 char const *links = "no ";
143 char const *ipv6 = "no ";
144 STRUCT_STAT *dumstat;
146 #ifdef HAVE_SOCKETPAIR
150 #if SUPPORT_HARD_LINKS
162 rprintf(f, "%s version %s protocol version %d\n",
163 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
165 "Copyright (C) 1996-2002 by Andrew Tridgell and others\n");
166 rprintf(f, "<http://rsync.samba.org/>\n");
167 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
168 "%shard links, %ssymlinks, batchfiles, \n",
169 (int) (sizeof(OFF_T) * 8),
170 got_socketpair, hardlinks, links);
172 /* Note that this field may not have type ino_t. It depends
173 * on the complicated interaction between largefile feature
175 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
177 (int) (sizeof(dumstat->st_ino) * 8),
178 (int) (sizeof(INO64_T) * 8));
179 #ifdef MAINTAINER_MODE
180 rprintf(f, " panic action: \"%s\"\n",
185 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
190 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
191 "are welcome to redistribute it under certain conditions. See the GNU\n"
192 "General Public Licence for details.\n"
197 void usage(enum logcode F)
199 print_rsync_version(F);
201 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
203 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
204 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
205 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
206 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
207 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
208 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
209 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
210 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
211 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
212 rprintf(F," sources separated by space as long as they have same top-level\n");
213 rprintf(F,"\nOptions\n");
214 rprintf(F," -v, --verbose increase verbosity\n");
215 rprintf(F," -q, --quiet decrease verbosity\n");
216 rprintf(F," -c, --checksum always checksum\n");
217 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
218 rprintf(F," -r, --recursive recurse into directories\n");
219 rprintf(F," -R, --relative use relative path names\n");
220 rprintf(F," --no-relative turn off --relative\n");
221 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
222 rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
223 rprintf(F," --backup-dir make backups into this directory\n");
224 rprintf(F," --suffix=SUFFIX override backup suffix\n");
225 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
226 rprintf(F," -l, --links copy symlinks as symlinks\n");
227 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
228 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
229 rprintf(F," --safe-links ignore links outside the destination tree\n");
230 rprintf(F," -H, --hard-links preserve hard links\n");
231 rprintf(F," -p, --perms preserve permissions\n");
232 rprintf(F," -o, --owner preserve owner (root only)\n");
233 rprintf(F," -g, --group preserve group\n");
234 rprintf(F," -D, --devices preserve devices (root only)\n");
235 rprintf(F," -t, --times preserve times\n");
236 rprintf(F," -S, --sparse handle sparse files efficiently\n");
237 rprintf(F," -n, --dry-run show what would have been transferred\n");
238 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
239 rprintf(F," --no-whole-file turn off --whole-file\n");
240 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
241 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
242 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
243 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
244 rprintf(F," --existing only update files that already exist\n");
245 rprintf(F," --ignore-existing ignore files that already exist on the receiving side\n");
246 rprintf(F," --delete delete files that don't exist on the sending side\n");
247 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
248 rprintf(F," --delete-after delete after transferring, not before\n");
249 rprintf(F," --ignore-errors delete even if there are IO errors\n");
250 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
251 rprintf(F," --partial keep partially transferred files\n");
252 rprintf(F," --force force deletion of directories even if not empty\n");
253 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
254 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
255 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
256 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
257 rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
258 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
259 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
260 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
261 rprintf(F," -P equivalent to --partial --progress\n");
262 rprintf(F," -z, --compress compress file data\n");
263 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
264 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
265 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
266 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
267 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
268 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
269 rprintf(F," -0 --from0 file names we read are separated by nulls, not newlines\n");
270 rprintf(F," --version print version number\n");
271 rprintf(F," --daemon run as a rsync daemon\n");
272 rprintf(F," --no-detach do not detach from the parent\n");
273 rprintf(F," --address=ADDRESS bind to the specified address\n");
274 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
275 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
276 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
277 rprintf(F," --no-blocking-io turn off --blocking-io\n");
278 rprintf(F," --stats give some file transfer stats\n");
279 rprintf(F," --progress show progress during transfer\n");
280 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
281 rprintf(F," --password-file=FILE get password from FILE\n");
282 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
283 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
284 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
285 rprintf(F," -h, --help show this help screen\n");
287 rprintf(F," -4 prefer IPv4\n");
288 rprintf(F," -6 prefer IPv6\n");
293 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
294 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
297 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
298 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
299 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
300 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
301 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST, OPT_LINK_DEST,
302 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
303 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
304 OPT_IGNORE_ERRORS, OPT_BWLIMIT,
305 OPT_MODIFY_WINDOW, OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_IGNORE_EXISTING};
307 static struct poptOption long_options[] = {
308 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
309 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
310 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
311 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
312 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
313 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
314 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
315 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
316 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
317 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
318 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
319 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
320 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
321 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
322 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
323 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
324 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
325 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
326 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
327 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
328 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
329 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
330 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
331 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
332 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
333 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
334 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
335 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
336 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
337 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
338 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
339 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
340 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
341 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
342 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
343 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
344 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
345 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
346 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
347 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
348 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
349 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
350 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
351 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
352 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
353 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
354 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
355 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
356 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
357 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
358 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
359 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
360 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
361 /* TODO: Should this take an optional int giving the compression level? */
362 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
363 {"daemon", 0, POPT_ARG_NONE, &am_daemon, 0, 0, 0 },
364 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
365 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
366 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
367 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
368 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
369 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
370 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
371 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
372 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
373 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
374 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
375 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
376 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
377 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
378 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
379 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
380 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
381 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
382 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
383 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
385 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
386 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
392 static char err_buf[100];
396 * Store the option error message, if any, so that we can log the
397 * connection attempt (which requires parsing the options), and then
398 * show the error later on.
400 void option_error(void)
403 rprintf(FLOG, "%s", err_buf);
404 rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf);
406 rprintf (FERROR, "Error parsing options: "
407 "option may be supported on client but not on server?\n");
408 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
409 "option may be supported on client but not on server?\n");
415 * Check to see if we should refuse this option
417 static int check_refuse_options(char *ref, int opt)
423 for (i=0; long_options[i].longName; i++) {
424 if (long_options[i].val == opt) break;
427 if (!long_options[i].longName) return 0;
429 name = long_options[i].longName;
432 while ((p = strstr(ref,name))) {
433 if ((p==ref || p[-1]==' ') &&
434 (p[len] == ' ' || p[len] == 0)) {
435 snprintf(err_buf,sizeof(err_buf),
436 "The '%s' option is not supported by this server\n", name);
445 static int count_args(char const **argv)
449 while (argv[i] != NULL)
457 * Process command line arguments. Called on both local and remote.
459 * @retval 1 if all options are OK; with globals set to appropriate
462 * @retval 0 on error, with err_buf containing an explanation
464 int parse_arguments(int *argc, const char ***argv, int frommain)
467 char *ref = lp_refuse_options(module_id);
470 /* TODO: Call poptReadDefaultConfig; handle errors. */
472 /* The context leaks in case of an error, but if there's a
473 * problem we always exit anyhow. */
474 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
476 while ((opt = poptGetNextOpt(pc)) != -1) {
478 if (check_refuse_options(ref, opt)) return 0;
481 /* most options are handled automatically by popt;
482 * only special cases are returned and listed here. */
486 print_rsync_version(FINFO);
489 case OPT_MODIFY_WINDOW:
490 /* The value has already been set by popt, but
491 * we need to remember that we're using a
492 * non-default setting. */
493 modify_window_set = 1;
496 case OPT_DELETE_AFTER:
501 case OPT_DELETE_EXCLUDED:
507 add_exclude(&exclude_list, poptGetOptArg(pc),
512 add_exclude(&exclude_list, poptGetOptArg(pc),
516 case OPT_EXCLUDE_FROM:
517 add_exclude_file(&exclude_list, poptGetOptArg(pc),
518 MISSING_FATAL, ADD_EXCLUDE);
521 case OPT_INCLUDE_FROM:
522 add_exclude_file(&exclude_list, poptGetOptArg(pc),
523 MISSING_FATAL, ADD_INCLUDE);
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: %s", err_buf);
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: %s", err_buf);
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) {
607 "write-batch and read-batch can not be used together\n");
608 exit_cleanup(RERR_SYNTAX);
611 if (do_compression && (write_batch || read_batch)) {
613 "compress can not be used with write-batch or read-batch\n");
614 exit_cleanup(RERR_SYNTAX);
627 preserve_devices = 1;
630 if (relative_paths < 0)
631 relative_paths = files_from? 1 : 0;
634 backup_suffix = backup_dir? "" : BACKUP_SUFFIX;
635 backup_suffix_len = strlen(backup_suffix);
636 if (strchr(backup_suffix, '/') != NULL) {
637 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
639 exit_cleanup(RERR_SYNTAX);
642 backup_dir_len = strlen(backup_dir);
643 else if (!backup_suffix_len) {
645 "--suffix cannot be a null string without --backup-dir\n");
646 exit_cleanup(RERR_SYNTAX);
649 *argv = poptGetArgs(pc);
651 *argc = count_args(*argv);
659 exit_cleanup(RERR_SYNTAX);
661 if (strcmp(files_from, "-") == 0)
663 else if ((colon = find_colon(files_from)) != 0) {
666 exit_cleanup(RERR_SYNTAX);
668 remote_filesfrom_file = colon+1 + (colon[1] == ':');
669 if (strcmp(remote_filesfrom_file, "-") == 0) {
670 rprintf(FERROR, "Invalid --files-from remote filename\n");
671 exit_cleanup(RERR_SYNTAX);
674 extern int sanitize_paths;
676 sanitize_path(strdup(files_from), NULL);
677 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
678 if (filesfrom_fd < 0) {
679 rsyserr(FERROR, errno,
680 "failed to open files-from file %s",
682 exit_cleanup(RERR_FILEIO);
692 * Construct a filtered list of options to pass through from the
693 * client to the server.
695 * This involves setting options that will tell the server how to
696 * behave, and also filtering out options that are processed only
699 void server_options(char **args,int *argc)
702 static char argstr[50];
703 static char bsize[30];
704 static char iotime[30];
705 static char mdelete[30];
706 static char mwindow[30];
708 /* Leave room for ``--(write|read)-batch='' */
709 static char fext[MAXPATHLEN + 15];
713 if (blocking_io == -1)
716 args[ac++] = "--server";
718 if (daemon_over_rsh) {
719 args[ac++] = "--daemon";
721 /* if we're passing --daemon, we're done */
726 args[ac++] = "--sender";
730 for (i=0;i<verbose;i++)
733 /* the -q option is intentionally left out */
747 /* We don't need to send --no-whole-file, because it's the
748 * default for remote transfers, and in any case old versions
749 * of rsync will not understand it. */
751 if (preserve_hard_links)
757 if (preserve_devices)
780 /* this is a complete hack - blame Rusty
782 this is a hack to make the list_only (remote file list)
784 if (list_only && !recurse)
789 if (x != 1) args[ac++] = argstr;
792 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
796 if (max_delete && am_sender) {
797 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
798 args[ac++] = mdelete;
801 if (batch_prefix != NULL) {
804 fmt = "--write-batch=%s";
807 fmt = "--read-batch=%s";
808 snprintf(fext,sizeof(fext),fmt,batch_prefix);
813 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
818 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
823 args[ac++] = "--backup-dir";
824 args[ac++] = backup_dir;
827 /* Only send --suffix if it specifies a non-default value. */
828 if (strcmp(backup_suffix, backup_dir? "" : BACKUP_SUFFIX) != 0) {
829 args[ac++] = "--suffix";
830 args[ac++] = backup_suffix;
833 if (delete_mode && !delete_excluded)
834 args[ac++] = "--delete";
837 args[ac++] = "--delete-excluded";
840 args[ac++] = "--size-only";
842 if (modify_window_set) {
843 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
845 args[ac++] = mwindow;
849 args[ac++] = "--partial";
852 args[ac++] = "--force";
855 args[ac++] = "--delete-after";
858 args[ac++] = "--ignore-errors";
860 if (copy_unsafe_links)
861 args[ac++] = "--copy-unsafe-links";
864 args[ac++] = "--safe-links";
867 args[ac++] = "--numeric-ids";
869 if (only_existing && am_sender)
870 args[ac++] = "--existing";
872 if (opt_ignore_existing && am_sender)
873 args[ac++] = "--ignore-existing";
876 args[ac++] = "--temp-dir";
880 if (compare_dest && am_sender) {
881 /* the server only needs this option if it is not the sender,
882 * and it may be an older version that doesn't know this
883 * option, so don't send it if client is the sender.
885 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
886 args[ac++] = compare_dest;
889 if (files_from && (!am_sender || remote_filesfrom_file)) {
890 if (remote_filesfrom_file) {
891 args[ac++] = "--files-from";
892 args[ac++] = remote_filesfrom_file;
894 args[ac++] = "--from0";
896 args[ac++] = "--files-from=-";
897 args[ac++] = "--from0";
905 * Return the position of a ':' IF it is not part of a filename (i.e. as
906 * long as it doesn't occur after a slash.
908 char *find_colon(char *s)
915 /* now check to see if there is a / in the string before the : - if there is then
916 discard the colon on the assumption that the : is part of a filename */
918 if (p2 && p2 < p) return NULL;