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;
57 int do_compression = 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;
80 int safe_symlinks = 0;
81 int copy_unsafe_links = 0;
85 int only_existing = 0;
86 int opt_ignore_existing = 0;
88 int ignore_errors = 0;
89 int modify_window = 0;
91 int checksum_seed = 0;
92 unsigned int block_size = 0;
95 /** Network address family. **/
97 int default_af_hint = 0; /* Any protocol */
99 int default_af_hint = AF_INET; /* Must use IPv4 */
102 /** Do not go into the background when run as --daemon. Good
103 * for debugging and required for running as a service on W32,
104 * or under Unix process-monitors. **/
109 int backup_dir_len = 0;
110 int backup_suffix_len;
112 char *backup_suffix = NULL;
114 char *compare_dest = NULL;
115 char *config_file = NULL;
116 char *shell_cmd = NULL;
117 char *log_format = NULL;
118 char *password_file = NULL;
119 char *rsync_path = RSYNC_PATH;
120 char *backup_dir = NULL;
121 int rsync_port = RSYNC_PORT;
126 int always_checksum = 0;
129 #define FIXED_CHECKSUM_SEED 32761
130 #define MAX_BATCH_PREFIX_LEN 256 /* Must be less than MAXPATHLEN-13 */
131 char *batch_prefix = NULL;
133 static int daemon_opt; /* sets am_daemon after option error-reporting */
134 static int modify_window_set;
136 /** Local address to bind. As a character string because it's
137 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
138 * address, or a hostname. **/
142 static void print_rsync_version(enum logcode f)
144 char const *got_socketpair = "no ";
145 char const *hardlinks = "no ";
146 char const *links = "no ";
147 char const *ipv6 = "no ";
148 STRUCT_STAT *dumstat;
150 #ifdef HAVE_SOCKETPAIR
154 #if SUPPORT_HARD_LINKS
166 rprintf(f, "%s version %s protocol version %d\n",
167 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
169 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
170 rprintf(f, "<http://rsync.samba.org/>\n");
171 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
172 "%shard links, %ssymlinks, batchfiles, \n",
173 (int) (sizeof (OFF_T) * 8),
174 got_socketpair, hardlinks, links);
176 /* Note that this field may not have type ino_t. It depends
177 * on the complicated interaction between largefile feature
179 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
181 (int) (sizeof dumstat->st_ino * 8),
182 (int) (sizeof (INO64_T) * 8));
183 #ifdef MAINTAINER_MODE
184 rprintf(f, " panic action: \"%s\"\n",
189 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
194 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
195 "are welcome to redistribute it under certain conditions. See the GNU\n"
196 "General Public Licence for details.\n"
201 void usage(enum logcode F)
203 print_rsync_version(F);
205 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
207 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
208 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
209 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
210 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
211 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
212 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
213 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
214 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
215 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
216 rprintf(F," sources separated by space as long as they have same top-level\n");
217 rprintf(F,"\nOptions\n");
218 rprintf(F," -v, --verbose increase verbosity\n");
219 rprintf(F," -q, --quiet decrease verbosity\n");
220 rprintf(F," -c, --checksum always checksum\n");
221 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
222 rprintf(F," -r, --recursive recurse into directories\n");
223 rprintf(F," -R, --relative use relative path names\n");
224 rprintf(F," --no-relative turn off --relative\n");
225 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
226 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
227 rprintf(F," --backup-dir make backups into this directory\n");
228 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
229 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
230 rprintf(F," -l, --links copy symlinks as symlinks\n");
231 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
232 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
233 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
234 rprintf(F," -H, --hard-links preserve hard links\n");
235 rprintf(F," -p, --perms preserve permissions\n");
236 rprintf(F," -o, --owner preserve owner (root only)\n");
237 rprintf(F," -g, --group preserve group\n");
238 rprintf(F," -D, --devices preserve devices (root only)\n");
239 rprintf(F," -t, --times preserve times\n");
240 rprintf(F," -S, --sparse handle sparse files efficiently\n");
241 rprintf(F," -n, --dry-run show what would have been transferred\n");
242 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
243 rprintf(F," --no-whole-file turn off --whole-file\n");
244 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
245 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
246 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
247 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
248 rprintf(F," --existing only update files that already exist\n");
249 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
250 rprintf(F," --delete delete files that don't exist on the sending side\n");
251 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
252 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
253 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
254 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
255 rprintf(F," --partial keep partially transferred files\n");
256 rprintf(F," --force force deletion of directories even if not empty\n");
257 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
258 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
259 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
260 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
261 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
262 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
263 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
264 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
265 rprintf(F," -P equivalent to --partial --progress\n");
266 rprintf(F," -z, --compress compress file data\n");
267 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
268 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
269 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
270 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
271 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
272 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
273 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
274 rprintf(F," --version print version number\n");
275 rprintf(F," --daemon run as an rsync daemon\n");
276 rprintf(F," --no-detach do not detach from the parent\n");
277 rprintf(F," --address=ADDRESS bind to the specified address\n");
278 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
279 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
280 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
281 rprintf(F," --no-blocking-io turn off --blocking-io\n");
282 rprintf(F," --stats give some file transfer stats\n");
283 rprintf(F," --progress show progress during transfer\n");
284 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
285 rprintf(F," --password-file=FILE get password from FILE\n");
286 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
287 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
288 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
289 rprintf(F," -h, --help show this help screen\n");
291 rprintf(F," -4 prefer IPv4\n");
292 rprintf(F," -6 prefer IPv6\n");
297 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
298 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
301 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
302 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
303 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
304 OPT_READ_BATCH, OPT_WRITE_BATCH};
306 static struct poptOption long_options[] = {
307 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
308 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
309 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
310 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
311 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
312 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
313 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
314 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
315 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
316 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
317 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
318 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
319 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
320 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
321 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
322 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
323 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
324 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
325 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
326 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
327 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
328 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
329 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
330 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
331 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
332 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
333 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
334 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
335 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
336 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
337 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
338 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
339 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
340 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
341 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
342 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
343 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
344 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
345 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
346 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
347 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
348 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
349 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
350 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
351 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
352 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
353 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
354 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
355 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
356 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
357 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
358 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
359 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
360 /* TODO: Should this take an optional int giving the compression level? */
361 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
362 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
363 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
364 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
365 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
366 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
367 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
368 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
369 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
370 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
371 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
372 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
373 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
374 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
375 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
376 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
377 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
378 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
379 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
380 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
381 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
382 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
383 {"protocol", 0, POPT_ARG_INT, &protocol_version, 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, RSYNC_NAME ": %s", 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)
428 if (!long_options[i].longName)
431 name = long_options[i].longName;
434 while ((p = strstr(ref,name))) {
435 if ((p==ref || p[-1]==' ') &&
436 (p[len] == ' ' || p[len] == 0)) {
437 snprintf(err_buf, sizeof err_buf,
438 "The '%s' option is not supported by this server\n", name);
447 static int count_args(char const **argv)
451 while (argv[i] != NULL)
459 * Process command line arguments. Called on both local and remote.
461 * @retval 1 if all options are OK; with globals set to appropriate
464 * @retval 0 on error, with err_buf containing an explanation
466 int parse_arguments(int *argc, const char ***argv, int frommain)
469 char *ref = lp_refuse_options(module_id);
472 /* TODO: Call poptReadDefaultConfig; handle errors. */
474 /* The context leaks in case of an error, but if there's a
475 * problem we always exit anyhow. */
476 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
478 while ((opt = poptGetNextOpt(pc)) != -1) {
479 if (ref && check_refuse_options(ref, opt))
482 /* most options are handled automatically by popt;
483 * only special cases are returned and listed here. */
487 print_rsync_version(FINFO);
490 case OPT_MODIFY_WINDOW:
491 /* The value has already been set by popt, but
492 * we need to remember that we're using a
493 * non-default setting. */
494 modify_window_set = 1;
497 case OPT_DELETE_AFTER:
502 case OPT_DELETE_EXCLUDED:
508 add_exclude(&exclude_list, poptGetOptArg(pc),
513 add_exclude(&exclude_list, poptGetOptArg(pc),
517 case OPT_EXCLUDE_FROM:
518 add_exclude_file(&exclude_list, poptGetOptArg(pc),
519 MISSING_FATAL, ADD_EXCLUDE);
522 case OPT_INCLUDE_FROM:
523 add_exclude_file(&exclude_list, poptGetOptArg(pc),
524 MISSING_FATAL, ADD_INCLUDE);
543 exit_cleanup(RERR_SYNTAX);
553 case OPT_WRITE_BATCH:
554 /* popt stores the filename in batch_prefix for us */
556 checksum_seed = FIXED_CHECKSUM_SEED;
560 /* popt stores the filename in batch_prefix for us */
562 checksum_seed = FIXED_CHECKSUM_SEED;
567 compare_dest = (char *)poptGetOptArg(pc);
571 snprintf(err_buf, sizeof err_buf,
572 "hard links are not supported on this %s\n",
573 am_server ? "server" : "client");
574 rprintf(FERROR, "ERROR: %s", err_buf);
580 snprintf(err_buf, sizeof err_buf,
582 am_server ? "on remote machine: " : "",
583 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
590 if (preserve_links && !am_sender) {
591 snprintf(err_buf, sizeof err_buf,
592 "symlinks are not supported on this %s\n",
593 am_server ? "server" : "client");
594 rprintf(FERROR, "ERROR: %s", err_buf);
599 #if !SUPPORT_HARD_LINKS
600 if (preserve_hard_links) {
601 snprintf(err_buf, sizeof err_buf,
602 "hard links are not supported on this %s\n",
603 am_server ? "server" : "client");
604 rprintf(FERROR, "ERROR: %s", err_buf);
609 if (write_batch && read_batch) {
611 "write-batch and read-batch can not be used together\n");
612 exit_cleanup(RERR_SYNTAX);
614 if (batch_prefix && strlen(batch_prefix) > MAX_BATCH_PREFIX_LEN) {
616 "the batch-file prefix must be %d characters or less.\n",
617 MAX_BATCH_PREFIX_LEN);
618 exit_cleanup(RERR_SYNTAX);
621 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
622 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
623 exit_cleanup(RERR_SYNTAX);
626 if (do_compression && (write_batch || read_batch)) {
628 "compress can not be used with write-batch or read-batch\n");
629 exit_cleanup(RERR_SYNTAX);
642 preserve_devices = 1;
645 if (relative_paths < 0)
646 relative_paths = files_from? 1 : 0;
649 backup_suffix = backup_dir? "" : BACKUP_SUFFIX;
650 backup_suffix_len = strlen(backup_suffix);
651 if (strchr(backup_suffix, '/') != NULL) {
652 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
654 exit_cleanup(RERR_SYNTAX);
657 backup_dir_len = strlen(backup_dir);
658 else if (!backup_suffix_len) {
660 "--suffix cannot be a null string without --backup-dir\n");
661 exit_cleanup(RERR_SYNTAX);
664 if (do_progress && !verbose)
667 *argv = poptGetArgs(pc);
669 *argc = count_args(*argv);
677 exit_cleanup(RERR_SYNTAX);
679 if (strcmp(files_from, "-") == 0) {
682 remote_filesfrom_file = "-";
684 else if ((colon = find_colon(files_from)) != 0) {
687 exit_cleanup(RERR_SYNTAX);
689 remote_filesfrom_file = colon+1 + (colon[1] == ':');
690 if (strcmp(remote_filesfrom_file, "-") == 0) {
691 rprintf(FERROR, "Invalid --files-from remote filename\n");
692 exit_cleanup(RERR_SYNTAX);
695 extern int sanitize_paths;
696 if (sanitize_paths) {
697 files_from = strdup(files_from);
698 sanitize_path(files_from, NULL);
700 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
701 if (filesfrom_fd < 0) {
702 rsyserr(FERROR, errno,
703 "failed to open files-from file %s",
705 exit_cleanup(RERR_FILEIO);
718 * Construct a filtered list of options to pass through from the
719 * client to the server.
721 * This involves setting options that will tell the server how to
722 * behave, and also filtering out options that are processed only
725 void server_options(char **args,int *argc)
728 static char argstr[50];
733 if (blocking_io == -1)
736 args[ac++] = "--server";
738 if (daemon_over_rsh) {
739 args[ac++] = "--daemon";
741 /* if we're passing --daemon, we're done */
746 args[ac++] = "--sender";
750 for (i = 0; i < verbose; i++)
753 /* the -q option is intentionally left out */
767 /* We don't need to send --no-whole-file, because it's the
768 * default for remote transfers, and in any case old versions
769 * of rsync will not understand it. */
771 if (preserve_hard_links)
777 if (preserve_devices)
800 /* this is a complete hack - blame Rusty
802 this is a hack to make the list_only (remote file list)
804 if (list_only && !recurse)
813 if (asprintf(&arg, "-B%u", block_size) < 0)
818 if (max_delete && am_sender) {
819 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
825 char *r_or_w = write_batch ? "write" : "read";
826 if (asprintf(&arg, "--%s-batch=%s", r_or_w, batch_prefix) < 0)
832 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
838 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
844 args[ac++] = "--backup-dir";
845 args[ac++] = backup_dir;
848 /* Only send --suffix if it specifies a non-default value. */
849 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
850 /* We use the following syntax to avoid weirdness with '~'. */
851 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
857 args[ac++] = "--delete-excluded";
858 else if (delete_mode)
859 args[ac++] = "--delete";
862 args[ac++] = "--size-only";
864 if (modify_window_set) {
865 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
871 args[ac++] = "--partial";
874 args[ac++] = "--force";
877 args[ac++] = "--delete-after";
880 args[ac++] = "--ignore-errors";
882 if (copy_unsafe_links)
883 args[ac++] = "--copy-unsafe-links";
886 args[ac++] = "--safe-links";
889 args[ac++] = "--numeric-ids";
891 if (only_existing && am_sender)
892 args[ac++] = "--existing";
894 if (opt_ignore_existing && am_sender)
895 args[ac++] = "--ignore-existing";
898 args[ac++] = "--temp-dir";
902 if (compare_dest && am_sender) {
903 /* the server only needs this option if it is not the sender,
904 * and it may be an older version that doesn't know this
905 * option, so don't send it if client is the sender.
907 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
908 args[ac++] = compare_dest;
911 if (files_from && (!am_sender || remote_filesfrom_file)) {
912 if (remote_filesfrom_file) {
913 args[ac++] = "--files-from";
914 args[ac++] = remote_filesfrom_file;
916 args[ac++] = "--from0";
918 args[ac++] = "--files-from=-";
919 args[ac++] = "--from0";
927 out_of_memory("server_options");
931 * Return the position of a ':' IF it is not part of a filename (i.e. as
932 * long as it doesn't occur after a slash.
934 char *find_colon(char *s)
942 /* now check to see if there is a / in the string before the : - if there is then
943 discard the colon on the assumption that the : is part of a filename */