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;
55 int protocol_version = PROTOCOL_VERSION;
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;
86 int opt_ignore_existing=0;
91 unsigned int block_size = 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 #define MAX_BATCH_PREFIX_LEN 256 /* Must be less than MAXPATHLEN-13 */
129 char *batch_prefix = NULL;
131 static int modify_window_set;
133 /** Local address to bind. As a character string because it's
134 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
135 * address, or a hostname. **/
139 static void print_rsync_version(enum logcode f)
141 char const *got_socketpair = "no ";
142 char const *hardlinks = "no ";
143 char const *links = "no ";
144 char const *ipv6 = "no ";
145 STRUCT_STAT *dumstat;
147 #ifdef HAVE_SOCKETPAIR
151 #if SUPPORT_HARD_LINKS
163 rprintf(f, "%s version %s protocol version %d\n",
164 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
166 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
167 rprintf(f, "<http://rsync.samba.org/>\n");
168 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
169 "%shard links, %ssymlinks, batchfiles, \n",
170 (int) (sizeof(OFF_T) * 8),
171 got_socketpair, hardlinks, links);
173 /* Note that this field may not have type ino_t. It depends
174 * on the complicated interaction between largefile feature
176 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
178 (int) (sizeof(dumstat->st_ino) * 8),
179 (int) (sizeof(INO64_T) * 8));
180 #ifdef MAINTAINER_MODE
181 rprintf(f, " panic action: \"%s\"\n",
186 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
191 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
192 "are welcome to redistribute it under certain conditions. See the GNU\n"
193 "General Public Licence for details.\n"
198 void usage(enum logcode F)
200 print_rsync_version(F);
202 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
204 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
205 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
206 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
207 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
208 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
209 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
210 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
211 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
212 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
213 rprintf(F," sources separated by space as long as they have same top-level\n");
214 rprintf(F,"\nOptions\n");
215 rprintf(F," -v, --verbose increase verbosity\n");
216 rprintf(F," -q, --quiet decrease verbosity\n");
217 rprintf(F," -c, --checksum always checksum\n");
218 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
219 rprintf(F," -r, --recursive recurse into directories\n");
220 rprintf(F," -R, --relative use relative path names\n");
221 rprintf(F," --no-relative turn off --relative\n");
222 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
223 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
224 rprintf(F," --backup-dir make backups into this directory\n");
225 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
226 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
227 rprintf(F," -l, --links copy symlinks as symlinks\n");
228 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
229 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
230 rprintf(F," --safe-links ignore links outside the destination tree\n");
231 rprintf(F," -H, --hard-links preserve hard links\n");
232 rprintf(F," -p, --perms preserve permissions\n");
233 rprintf(F," -o, --owner preserve owner (root only)\n");
234 rprintf(F," -g, --group preserve group\n");
235 rprintf(F," -D, --devices preserve devices (root only)\n");
236 rprintf(F," -t, --times preserve times\n");
237 rprintf(F," -S, --sparse handle sparse files efficiently\n");
238 rprintf(F," -n, --dry-run show what would have been transferred\n");
239 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
240 rprintf(F," --no-whole-file turn off --whole-file\n");
241 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
242 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
243 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
244 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
245 rprintf(F," --existing only update files that already exist\n");
246 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
247 rprintf(F," --delete delete files that don't exist on the sending side\n");
248 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
249 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
250 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
251 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
252 rprintf(F," --partial keep partially transferred files\n");
253 rprintf(F," --force force deletion of directories even if not empty\n");
254 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
255 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
256 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
257 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
258 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
259 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
260 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
261 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
262 rprintf(F," -P equivalent to --partial --progress\n");
263 rprintf(F," -z, --compress compress file data\n");
264 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
265 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
266 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
267 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
268 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
269 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
270 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
271 rprintf(F," --version print version number\n");
272 rprintf(F," --daemon run as an rsync daemon\n");
273 rprintf(F," --no-detach do not detach from the parent\n");
274 rprintf(F," --address=ADDRESS bind to the specified address\n");
275 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
276 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
277 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
278 rprintf(F," --no-blocking-io turn off --blocking-io\n");
279 rprintf(F," --stats give some file transfer stats\n");
280 rprintf(F," --progress show progress during transfer\n");
281 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
282 rprintf(F," --password-file=FILE get password from FILE\n");
283 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
284 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
285 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
286 rprintf(F," -h, --help show this help screen\n");
288 rprintf(F," -4 prefer IPv4\n");
289 rprintf(F," -6 prefer IPv6\n");
294 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
295 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
298 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
299 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
300 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
301 OPT_READ_BATCH, OPT_WRITE_BATCH};
303 static struct poptOption long_options[] = {
304 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
305 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
306 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
307 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
308 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
309 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
310 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
311 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
312 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
313 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
314 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
315 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
316 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
317 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
318 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
319 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
320 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
321 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
322 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
323 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
324 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
325 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
326 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
327 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
328 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
329 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
330 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
331 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
332 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
333 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
334 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
335 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
336 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
337 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
338 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
339 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
340 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
341 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
342 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
343 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
344 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
345 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
346 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
347 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
348 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
349 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
350 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
351 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
352 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
353 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
354 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
355 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
356 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
357 /* TODO: Should this take an optional int giving the compression level? */
358 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
359 {"daemon", 0, POPT_ARG_NONE, &am_daemon, 0, 0, 0 },
360 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
361 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
362 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
363 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
364 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
365 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
366 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
367 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
368 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
369 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
370 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
371 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
372 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
373 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
374 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
375 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
376 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
377 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
378 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
379 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
380 {"protocol", 0, POPT_ARG_INT, &protocol_version, 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, RSYNC_NAME ": %s", 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);
486 case OPT_MODIFY_WINDOW:
487 /* The value has already been set by popt, but
488 * we need to remember that we're using a
489 * non-default setting. */
490 modify_window_set = 1;
493 case OPT_DELETE_AFTER:
498 case OPT_DELETE_EXCLUDED:
504 add_exclude(&exclude_list, poptGetOptArg(pc),
509 add_exclude(&exclude_list, poptGetOptArg(pc),
513 case OPT_EXCLUDE_FROM:
514 add_exclude_file(&exclude_list, poptGetOptArg(pc),
515 MISSING_FATAL, ADD_EXCLUDE);
518 case OPT_INCLUDE_FROM:
519 add_exclude_file(&exclude_list, poptGetOptArg(pc),
520 MISSING_FATAL, ADD_INCLUDE);
528 #if SUPPORT_HARD_LINKS
529 preserve_hard_links=1;
531 /* FIXME: Don't say "server" if this is
532 * happening on the client. */
533 /* FIXME: Why do we have the duplicated
534 * rprintf? Everybody who gets this message
535 * ought to send it to the client and also to
537 snprintf(err_buf, sizeof err_buf,
538 "hard links are not supported on this %s\n",
539 am_server ? "server" : "client");
540 rprintf(FERROR, "ERROR: %s", err_buf);
542 #endif /* SUPPORT_HARD_LINKS */
550 if (frommain) quiet++;
556 exit_cleanup(RERR_SYNTAX);
566 case OPT_WRITE_BATCH:
567 /* popt stores the filename in batch_prefix for us */
572 /* popt stores the filename in batch_prefix for us */
578 compare_dest = (char *)poptGetOptArg(pc);
582 snprintf(err_buf, sizeof err_buf,
583 "hard links are not supported on this %s\n",
584 am_server ? "server" : "client");
585 rprintf(FERROR, "ERROR: %s", err_buf);
591 /* FIXME: If --daemon is specified, then errors for later
592 * parameters seem to disappear. */
593 snprintf(err_buf, sizeof(err_buf),
595 am_server ? "on remote machine: " : "",
596 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
602 if (write_batch && read_batch) {
604 "write-batch and read-batch can not be used together\n");
605 exit_cleanup(RERR_SYNTAX);
607 if (batch_prefix && strlen(batch_prefix) > MAX_BATCH_PREFIX_LEN) {
609 "the batch-file prefix must be %d characters or less.\n",
610 MAX_BATCH_PREFIX_LEN);
611 exit_cleanup(RERR_SYNTAX);
614 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
615 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
616 exit_cleanup(RERR_SYNTAX);
619 if (do_compression && (write_batch || read_batch)) {
621 "compress can not be used with write-batch or read-batch\n");
622 exit_cleanup(RERR_SYNTAX);
635 preserve_devices = 1;
638 if (relative_paths < 0)
639 relative_paths = files_from? 1 : 0;
642 backup_suffix = backup_dir? "" : BACKUP_SUFFIX;
643 backup_suffix_len = strlen(backup_suffix);
644 if (strchr(backup_suffix, '/') != NULL) {
645 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
647 exit_cleanup(RERR_SYNTAX);
650 backup_dir_len = strlen(backup_dir);
651 else if (!backup_suffix_len) {
653 "--suffix cannot be a null string without --backup-dir\n");
654 exit_cleanup(RERR_SYNTAX);
657 if (do_progress && !verbose)
660 *argv = poptGetArgs(pc);
662 *argc = count_args(*argv);
670 exit_cleanup(RERR_SYNTAX);
672 if (strcmp(files_from, "-") == 0) {
675 remote_filesfrom_file = "-";
677 else if ((colon = find_colon(files_from)) != 0) {
680 exit_cleanup(RERR_SYNTAX);
682 remote_filesfrom_file = colon+1 + (colon[1] == ':');
683 if (strcmp(remote_filesfrom_file, "-") == 0) {
684 rprintf(FERROR, "Invalid --files-from remote filename\n");
685 exit_cleanup(RERR_SYNTAX);
688 extern int sanitize_paths;
689 if (sanitize_paths) {
690 files_from = strdup(files_from);
691 sanitize_path(files_from, NULL);
693 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
694 if (filesfrom_fd < 0) {
695 rsyserr(FERROR, errno,
696 "failed to open files-from file %s",
698 exit_cleanup(RERR_FILEIO);
708 * Construct a filtered list of options to pass through from the
709 * client to the server.
711 * This involves setting options that will tell the server how to
712 * behave, and also filtering out options that are processed only
715 void server_options(char **args,int *argc)
718 static char argstr[50];
719 static char bsize[30];
720 static char iotime[30];
721 static char mdelete[30];
722 static char mwindow[30];
724 /* Leave room for ``--(write|read)-batch='' */
725 static char fext[MAX_BATCH_PREFIX_LEN + 15];
729 if (blocking_io == -1)
732 args[ac++] = "--server";
734 if (daemon_over_rsh) {
735 args[ac++] = "--daemon";
737 /* if we're passing --daemon, we're done */
742 args[ac++] = "--sender";
746 for (i=0;i<verbose;i++)
749 /* the -q option is intentionally left out */
763 /* We don't need to send --no-whole-file, because it's the
764 * default for remote transfers, and in any case old versions
765 * of rsync will not understand it. */
767 if (preserve_hard_links)
773 if (preserve_devices)
796 /* this is a complete hack - blame Rusty
798 this is a hack to make the list_only (remote file list)
800 if (list_only && !recurse)
805 if (x != 1) args[ac++] = argstr;
808 snprintf(bsize, sizeof bsize, "-B%u", block_size);
812 if (max_delete && am_sender) {
813 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
814 args[ac++] = mdelete;
817 if (batch_prefix != NULL) {
820 fmt = "--write-batch=%s";
823 fmt = "--read-batch=%s";
824 snprintf(fext,sizeof(fext),fmt,batch_prefix);
829 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
834 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
839 args[ac++] = "--backup-dir";
840 args[ac++] = backup_dir;
843 /* Only send --suffix if it specifies a non-default value. */
844 if (strcmp(backup_suffix, backup_dir? "" : BACKUP_SUFFIX) != 0) {
845 char *s = new_array(char, 9+backup_suffix_len+1);
847 out_of_memory("server_options");
848 /* We use the following syntax to avoid weirdness with '~'. */
849 sprintf(s, "--suffix=%s", backup_suffix);
853 if (delete_mode && !delete_excluded)
854 args[ac++] = "--delete";
857 args[ac++] = "--delete-excluded";
860 args[ac++] = "--size-only";
862 if (modify_window_set) {
863 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
865 args[ac++] = mwindow;
869 args[ac++] = "--partial";
872 args[ac++] = "--force";
875 args[ac++] = "--delete-after";
878 args[ac++] = "--ignore-errors";
880 if (copy_unsafe_links)
881 args[ac++] = "--copy-unsafe-links";
884 args[ac++] = "--safe-links";
887 args[ac++] = "--numeric-ids";
889 if (only_existing && am_sender)
890 args[ac++] = "--existing";
892 if (opt_ignore_existing && am_sender)
893 args[ac++] = "--ignore-existing";
896 args[ac++] = "--temp-dir";
900 if (compare_dest && am_sender) {
901 /* the server only needs this option if it is not the sender,
902 * and it may be an older version that doesn't know this
903 * option, so don't send it if client is the sender.
905 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
906 args[ac++] = compare_dest;
909 if (files_from && (!am_sender || remote_filesfrom_file)) {
910 if (remote_filesfrom_file) {
911 args[ac++] = "--files-from";
912 args[ac++] = remote_filesfrom_file;
914 args[ac++] = "--from0";
916 args[ac++] = "--files-from=-";
917 args[ac++] = "--from0";
925 * Return the position of a ':' IF it is not part of a filename (i.e. as
926 * long as it doesn't occur after a slash.
928 char *find_colon(char *s)
935 /* now check to see if there is a / in the string before the : - if there is then
936 discard the colon on the assumption that the : is part of a filename */
938 if (p2 && p2 < p) return NULL;