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;
69 char *files_from = NULL;
70 int filesfrom_fd = -1;
71 char *remote_filesfrom_file = NULL;
75 int daemon_over_rsh = 0;
80 int copy_unsafe_links=0;
86 int opt_ignore_existing=0;
93 /** Network address family. **/
95 int default_af_hint = 0; /* Any protocol */
97 int default_af_hint = AF_INET; /* Must use IPv4 */
100 /** Do not go into the background when run as --daemon. Good
101 * for debugging and required for running as a service on W32,
102 * or under Unix process-monitors. **/
107 int backup_dir_len = 0;
108 int backup_suffix_len;
110 char *backup_suffix = NULL;
112 char *compare_dest = NULL;
113 char *config_file = NULL;
114 char *shell_cmd = NULL;
115 char *log_format = NULL;
116 char *password_file = NULL;
117 char *rsync_path = RSYNC_PATH;
118 char *backup_dir = NULL;
119 int rsync_port = RSYNC_PORT;
124 int always_checksum = 0;
127 char *batch_prefix = NULL;
129 static int modify_window_set;
131 /** Local address to bind. As a character string because it's
132 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
133 * address, or a hostname. **/
137 static void print_rsync_version(enum logcode f)
139 char const *got_socketpair = "no ";
140 char const *hardlinks = "no ";
141 char const *links = "no ";
142 char const *ipv6 = "no ";
143 STRUCT_STAT *dumstat;
145 #ifdef HAVE_SOCKETPAIR
149 #if SUPPORT_HARD_LINKS
161 rprintf(f, "%s version %s protocol version %d\n",
162 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
164 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
165 rprintf(f, "<http://rsync.samba.org/>\n");
166 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
167 "%shard links, %ssymlinks, batchfiles, \n",
168 (int) (sizeof(OFF_T) * 8),
169 got_socketpair, hardlinks, links);
171 /* Note that this field may not have type ino_t. It depends
172 * on the complicated interaction between largefile feature
174 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
176 (int) (sizeof(dumstat->st_ino) * 8),
177 (int) (sizeof(INO64_T) * 8));
178 #ifdef MAINTAINER_MODE
179 rprintf(f, " panic action: \"%s\"\n",
184 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
189 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
190 "are welcome to redistribute it under certain conditions. See the GNU\n"
191 "General Public Licence for details.\n"
196 void usage(enum logcode F)
198 print_rsync_version(F);
200 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
202 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
203 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
204 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
205 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
206 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
207 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
208 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
209 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
210 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
211 rprintf(F," sources separated by space as long as they have same top-level\n");
212 rprintf(F,"\nOptions\n");
213 rprintf(F," -v, --verbose increase verbosity\n");
214 rprintf(F," -q, --quiet decrease verbosity\n");
215 rprintf(F," -c, --checksum always checksum\n");
216 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
217 rprintf(F," -r, --recursive recurse into directories\n");
218 rprintf(F," -R, --relative use relative path names\n");
219 rprintf(F," --no-relative turn off --relative\n");
220 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
221 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
222 rprintf(F," --backup-dir make backups into this directory\n");
223 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
224 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
225 rprintf(F," -l, --links copy symlinks as symlinks\n");
226 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
227 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
228 rprintf(F," --safe-links ignore links outside the destination tree\n");
229 rprintf(F," -H, --hard-links preserve hard links\n");
230 rprintf(F," -p, --perms preserve permissions\n");
231 rprintf(F," -o, --owner preserve owner (root only)\n");
232 rprintf(F," -g, --group preserve group\n");
233 rprintf(F," -D, --devices preserve devices (root only)\n");
234 rprintf(F," -t, --times preserve times\n");
235 rprintf(F," -S, --sparse handle sparse files efficiently\n");
236 rprintf(F," -n, --dry-run show what would have been transferred\n");
237 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
238 rprintf(F," --no-whole-file turn off --whole-file\n");
239 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
240 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
241 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
242 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
243 rprintf(F," --existing only update files that already exist\n");
244 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
245 rprintf(F," --delete delete files that don't exist on the sending side\n");
246 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
247 rprintf(F," --delete-after delete after transferring, not before\n");
248 rprintf(F," --ignore-errors delete even if there are IO errors\n");
249 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
250 rprintf(F," --partial keep partially transferred files\n");
251 rprintf(F," --force force deletion of directories even if not empty\n");
252 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
253 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
254 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
255 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
256 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
257 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
258 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
259 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
260 rprintf(F," -P equivalent to --partial --progress\n");
261 rprintf(F," -z, --compress compress file data\n");
262 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
263 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
264 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
265 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
266 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
267 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
268 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
269 rprintf(F," --version print version number\n");
270 rprintf(F," --daemon run as a rsync daemon\n");
271 rprintf(F," --no-detach do not detach from the parent\n");
272 rprintf(F," --address=ADDRESS bind to the specified address\n");
273 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
274 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
275 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
276 rprintf(F," --no-blocking-io turn off --blocking-io\n");
277 rprintf(F," --stats give some file transfer stats\n");
278 rprintf(F," --progress show progress during transfer\n");
279 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
280 rprintf(F," --password-file=FILE get password from FILE\n");
281 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
282 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
283 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
284 rprintf(F," -h, --help show this help screen\n");
286 rprintf(F," -4 prefer IPv4\n");
287 rprintf(F," -6 prefer IPv6\n");
292 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
293 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
296 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
297 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
298 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
299 OPT_READ_BATCH, OPT_WRITE_BATCH};
301 static struct poptOption long_options[] = {
302 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
303 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
304 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
305 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
306 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
307 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
308 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
309 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
310 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
311 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
312 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
313 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
314 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
315 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
316 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
317 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
318 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
319 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
320 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
321 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
322 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
323 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
324 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
325 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
326 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
327 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
328 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
329 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
330 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
331 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
332 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
333 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
334 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
335 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
336 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
337 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
338 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
339 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
340 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
341 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
342 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
343 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
344 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
345 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
346 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
347 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
348 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
349 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
350 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
351 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
352 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
353 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
354 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
355 /* TODO: Should this take an optional int giving the compression level? */
356 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
357 {"daemon", 0, POPT_ARG_NONE, &am_daemon, 0, 0, 0 },
358 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
359 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
360 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
361 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
362 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
363 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
364 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
365 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
366 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
367 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
368 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
369 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
370 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
371 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
372 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
373 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
374 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
375 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
376 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
377 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
378 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
380 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
381 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
387 static char err_buf[100];
391 * Store the option error message, if any, so that we can log the
392 * connection attempt (which requires parsing the options), and then
393 * show the error later on.
395 void option_error(void)
398 rprintf(FLOG, "%s", err_buf);
399 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
401 rprintf (FERROR, "Error parsing options: "
402 "option may be supported on client but not on server?\n");
403 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
404 "option may be supported on client but not on server?\n");
410 * Check to see if we should refuse this option
412 static int check_refuse_options(char *ref, int opt)
418 for (i=0; long_options[i].longName; i++) {
419 if (long_options[i].val == opt) break;
422 if (!long_options[i].longName) return 0;
424 name = long_options[i].longName;
427 while ((p = strstr(ref,name))) {
428 if ((p==ref || p[-1]==' ') &&
429 (p[len] == ' ' || p[len] == 0)) {
430 snprintf(err_buf,sizeof(err_buf),
431 "The '%s' option is not supported by this server\n", name);
440 static int count_args(char const **argv)
444 while (argv[i] != NULL)
452 * Process command line arguments. Called on both local and remote.
454 * @retval 1 if all options are OK; with globals set to appropriate
457 * @retval 0 on error, with err_buf containing an explanation
459 int parse_arguments(int *argc, const char ***argv, int frommain)
462 char *ref = lp_refuse_options(module_id);
465 /* TODO: Call poptReadDefaultConfig; handle errors. */
467 /* The context leaks in case of an error, but if there's a
468 * problem we always exit anyhow. */
469 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
471 while ((opt = poptGetNextOpt(pc)) != -1) {
473 if (check_refuse_options(ref, opt)) return 0;
476 /* most options are handled automatically by popt;
477 * only special cases are returned and listed here. */
481 print_rsync_version(FINFO);
484 case OPT_MODIFY_WINDOW:
485 /* The value has already been set by popt, but
486 * we need to remember that we're using a
487 * non-default setting. */
488 modify_window_set = 1;
491 case OPT_DELETE_AFTER:
496 case OPT_DELETE_EXCLUDED:
502 add_exclude(&exclude_list, poptGetOptArg(pc),
507 add_exclude(&exclude_list, poptGetOptArg(pc),
511 case OPT_EXCLUDE_FROM:
512 add_exclude_file(&exclude_list, poptGetOptArg(pc),
513 MISSING_FATAL, ADD_EXCLUDE);
516 case OPT_INCLUDE_FROM:
517 add_exclude_file(&exclude_list, poptGetOptArg(pc),
518 MISSING_FATAL, ADD_INCLUDE);
526 #if SUPPORT_HARD_LINKS
527 preserve_hard_links=1;
529 /* FIXME: Don't say "server" if this is
530 * happening on the client. */
531 /* FIXME: Why do we have the duplicated
532 * rprintf? Everybody who gets this message
533 * ought to send it to the client and also to
535 snprintf(err_buf, sizeof err_buf,
536 "hard links are not supported on this %s\n",
537 am_server ? "server" : "client");
538 rprintf(FERROR, "ERROR: %s", err_buf);
540 #endif /* SUPPORT_HARD_LINKS */
548 if (frommain) quiet++;
554 exit_cleanup(RERR_SYNTAX);
564 case OPT_WRITE_BATCH:
565 /* popt stores the filename in batch_prefix for us */
570 /* popt stores the filename in batch_prefix for us */
576 compare_dest = (char *)poptGetOptArg(pc);
580 snprintf(err_buf, sizeof err_buf,
581 "hard links are not supported on this %s\n",
582 am_server ? "server" : "client");
583 rprintf(FERROR, "ERROR: %s", err_buf);
589 /* FIXME: If --daemon is specified, then errors for later
590 * parameters seem to disappear. */
591 snprintf(err_buf, sizeof(err_buf),
593 am_server ? "on remote machine: " : "",
594 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
600 if (write_batch && read_batch) {
602 "write-batch and read-batch can not be used together\n");
603 exit_cleanup(RERR_SYNTAX);
606 if (do_compression && (write_batch || read_batch)) {
608 "compress can not be used with write-batch or read-batch\n");
609 exit_cleanup(RERR_SYNTAX);
622 preserve_devices = 1;
625 if (relative_paths < 0)
626 relative_paths = files_from? 1 : 0;
629 backup_suffix = backup_dir? "" : BACKUP_SUFFIX;
630 backup_suffix_len = strlen(backup_suffix);
631 if (strchr(backup_suffix, '/') != NULL) {
632 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
634 exit_cleanup(RERR_SYNTAX);
637 backup_dir_len = strlen(backup_dir);
638 else if (!backup_suffix_len) {
640 "--suffix cannot be a null string without --backup-dir\n");
641 exit_cleanup(RERR_SYNTAX);
644 if (do_progress && !verbose)
647 *argv = poptGetArgs(pc);
649 *argc = count_args(*argv);
657 exit_cleanup(RERR_SYNTAX);
659 if (strcmp(files_from, "-") == 0) {
662 remote_filesfrom_file = "-";
664 else if ((colon = find_colon(files_from)) != 0) {
667 exit_cleanup(RERR_SYNTAX);
669 remote_filesfrom_file = colon+1 + (colon[1] == ':');
670 if (strcmp(remote_filesfrom_file, "-") == 0) {
671 rprintf(FERROR, "Invalid --files-from remote filename\n");
672 exit_cleanup(RERR_SYNTAX);
675 extern int sanitize_paths;
677 sanitize_path(strdup(files_from), NULL);
678 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
679 if (filesfrom_fd < 0) {
680 rsyserr(FERROR, errno,
681 "failed to open files-from file %s",
683 exit_cleanup(RERR_FILEIO);
693 * Construct a filtered list of options to pass through from the
694 * client to the server.
696 * This involves setting options that will tell the server how to
697 * behave, and also filtering out options that are processed only
700 void server_options(char **args,int *argc)
703 static char argstr[50];
704 static char bsize[30];
705 static char iotime[30];
706 static char mdelete[30];
707 static char mwindow[30];
709 /* Leave room for ``--(write|read)-batch='' */
710 static char fext[MAXPATHLEN + 15];
714 if (blocking_io == -1)
717 args[ac++] = "--server";
719 if (daemon_over_rsh) {
720 args[ac++] = "--daemon";
722 /* if we're passing --daemon, we're done */
727 args[ac++] = "--sender";
731 for (i=0;i<verbose;i++)
734 /* the -q option is intentionally left out */
748 /* We don't need to send --no-whole-file, because it's the
749 * default for remote transfers, and in any case old versions
750 * of rsync will not understand it. */
752 if (preserve_hard_links)
758 if (preserve_devices)
781 /* this is a complete hack - blame Rusty
783 this is a hack to make the list_only (remote file list)
785 if (list_only && !recurse)
790 if (x != 1) args[ac++] = argstr;
793 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
797 if (max_delete && am_sender) {
798 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
799 args[ac++] = mdelete;
802 if (batch_prefix != NULL) {
805 fmt = "--write-batch=%s";
808 fmt = "--read-batch=%s";
809 snprintf(fext,sizeof(fext),fmt,batch_prefix);
814 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
819 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
824 args[ac++] = "--backup-dir";
825 args[ac++] = backup_dir;
828 /* Only send --suffix if it specifies a non-default value. */
829 if (strcmp(backup_suffix, backup_dir? "" : BACKUP_SUFFIX) != 0) {
830 char *s = new_array(char, 9+backup_suffix_len+1);
832 out_of_memory("server_options");
833 /* We use the following syntax to avoid weirdness with '~'. */
834 sprintf(s, "--suffix=%s", backup_suffix);
838 if (delete_mode && !delete_excluded)
839 args[ac++] = "--delete";
842 args[ac++] = "--delete-excluded";
845 args[ac++] = "--size-only";
847 if (modify_window_set) {
848 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
850 args[ac++] = mwindow;
854 args[ac++] = "--partial";
857 args[ac++] = "--force";
860 args[ac++] = "--delete-after";
863 args[ac++] = "--ignore-errors";
865 if (copy_unsafe_links)
866 args[ac++] = "--copy-unsafe-links";
869 args[ac++] = "--safe-links";
872 args[ac++] = "--numeric-ids";
874 if (only_existing && am_sender)
875 args[ac++] = "--existing";
877 if (opt_ignore_existing && am_sender)
878 args[ac++] = "--ignore-existing";
881 args[ac++] = "--temp-dir";
885 if (compare_dest && am_sender) {
886 /* the server only needs this option if it is not the sender,
887 * and it may be an older version that doesn't know this
888 * option, so don't send it if client is the sender.
890 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
891 args[ac++] = compare_dest;
894 if (files_from && (!am_sender || remote_filesfrom_file)) {
895 if (remote_filesfrom_file) {
896 args[ac++] = "--files-from";
897 args[ac++] = remote_filesfrom_file;
899 args[ac++] = "--from0";
901 args[ac++] = "--files-from=-";
902 args[ac++] = "--from0";
910 * Return the position of a ':' IF it is not part of a filename (i.e. as
911 * long as it doesn't occur after a slash.
913 char *find_colon(char *s)
920 /* now check to see if there is a / in the string before the : - if there is then
921 discard the colon on the assumption that the : is part of a filename */
923 if (p2 && p2 < p) return NULL;