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;
111 unsigned int backup_dir_remainder;
113 char *backup_suffix = NULL;
115 char *compare_dest = NULL;
116 char *config_file = NULL;
117 char *shell_cmd = NULL;
118 char *log_format = NULL;
119 char *password_file = NULL;
120 char *rsync_path = RSYNC_PATH;
121 char *backup_dir = NULL;
122 char backup_dir_buf[MAXPATHLEN];
123 int rsync_port = RSYNC_PORT;
128 int always_checksum = 0;
131 #define FIXED_CHECKSUM_SEED 32761
132 #define MAX_BATCH_PREFIX_LEN 256 /* Must be less than MAXPATHLEN-13 */
133 char *batch_prefix = NULL;
135 static int daemon_opt; /* sets am_daemon after option error-reporting */
136 static int modify_window_set;
138 /** Local address to bind. As a character string because it's
139 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
140 * address, or a hostname. **/
144 static void print_rsync_version(enum logcode f)
146 char const *got_socketpair = "no ";
147 char const *hardlinks = "no ";
148 char const *links = "no ";
149 char const *ipv6 = "no ";
150 STRUCT_STAT *dumstat;
152 #ifdef HAVE_SOCKETPAIR
156 #if SUPPORT_HARD_LINKS
168 rprintf(f, "%s version %s protocol version %d\n",
169 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
171 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
172 rprintf(f, "<http://rsync.samba.org/>\n");
173 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
174 "%shard links, %ssymlinks, batchfiles, \n",
175 (int) (sizeof (OFF_T) * 8),
176 got_socketpair, hardlinks, links);
178 /* Note that this field may not have type ino_t. It depends
179 * on the complicated interaction between largefile feature
181 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
183 (int) (sizeof dumstat->st_ino * 8),
184 (int) (sizeof (INO64_T) * 8));
185 #ifdef MAINTAINER_MODE
186 rprintf(f, " panic action: \"%s\"\n",
191 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
196 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
197 "are welcome to redistribute it under certain conditions. See the GNU\n"
198 "General Public Licence for details.\n"
203 void usage(enum logcode F)
205 print_rsync_version(F);
207 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
209 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
210 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
211 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
212 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
213 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
214 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
215 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
216 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
217 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
218 rprintf(F," sources separated by space as long as they have same top-level\n");
219 rprintf(F,"\nOptions\n");
220 rprintf(F," -v, --verbose increase verbosity\n");
221 rprintf(F," -q, --quiet decrease verbosity\n");
222 rprintf(F," -c, --checksum always checksum\n");
223 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
224 rprintf(F," -r, --recursive recurse into directories\n");
225 rprintf(F," -R, --relative use relative path names\n");
226 rprintf(F," --no-relative turn off --relative\n");
227 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
228 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
229 rprintf(F," --backup-dir make backups into this directory\n");
230 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
231 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
232 rprintf(F," -l, --links copy symlinks as symlinks\n");
233 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
234 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
235 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
236 rprintf(F," -H, --hard-links preserve hard links\n");
237 rprintf(F," -p, --perms preserve permissions\n");
238 rprintf(F," -o, --owner preserve owner (root only)\n");
239 rprintf(F," -g, --group preserve group\n");
240 rprintf(F," -D, --devices preserve devices (root only)\n");
241 rprintf(F," -t, --times preserve times\n");
242 rprintf(F," -S, --sparse handle sparse files efficiently\n");
243 rprintf(F," -n, --dry-run show what would have been transferred\n");
244 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
245 rprintf(F," --no-whole-file turn off --whole-file\n");
246 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
247 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
248 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
249 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
250 rprintf(F," --existing only update files that already exist\n");
251 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
252 rprintf(F," --delete delete files that don't exist on the sending side\n");
253 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
254 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
255 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
256 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
257 rprintf(F," --partial keep partially transferred files\n");
258 rprintf(F," --force force deletion of directories even if not empty\n");
259 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
260 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
261 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
262 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
263 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
264 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
265 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
266 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
267 rprintf(F," -P equivalent to --partial --progress\n");
268 rprintf(F," -z, --compress compress file data\n");
269 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
270 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
271 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
272 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
273 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
274 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
275 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
276 rprintf(F," --version print version number\n");
277 rprintf(F," --daemon run as an rsync daemon\n");
278 rprintf(F," --no-detach do not detach from the parent\n");
279 rprintf(F," --address=ADDRESS bind to the specified address\n");
280 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
281 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
282 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
283 rprintf(F," --no-blocking-io turn off --blocking-io\n");
284 rprintf(F," --stats give some file transfer stats\n");
285 rprintf(F," --progress show progress during transfer\n");
286 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
287 rprintf(F," --password-file=FILE get password from FILE\n");
288 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
289 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
290 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
291 rprintf(F," -h, --help show this help screen\n");
293 rprintf(F," -4 prefer IPv4\n");
294 rprintf(F," -6 prefer IPv6\n");
299 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
300 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
303 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
304 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
305 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
306 OPT_READ_BATCH, OPT_WRITE_BATCH,
307 OPT_REFUSED_BASE = 9000};
309 static struct poptOption long_options[] = {
310 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
311 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
312 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
313 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
314 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
315 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
316 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
317 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
318 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
319 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
320 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
321 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
322 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
323 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
324 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
325 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
326 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
327 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
328 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
329 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
330 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
331 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
332 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
333 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
334 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
335 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
336 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
337 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
338 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
339 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
340 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
341 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
342 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
343 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
344 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
345 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
346 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
347 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
348 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
349 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
350 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
351 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
352 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
353 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
354 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
355 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
356 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
357 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
358 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
359 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
360 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
361 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
362 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
363 /* TODO: Should this take an optional int giving the compression level? */
364 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
365 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
366 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
367 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
368 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
369 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
370 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
371 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
372 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
373 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
374 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
375 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
376 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
377 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
378 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
379 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
380 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
381 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
382 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
383 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
384 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
385 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
386 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
388 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
389 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
395 static char err_buf[100];
399 * Store the option error message, if any, so that we can log the
400 * connection attempt (which requires parsing the options), and then
401 * show the error later on.
403 void option_error(void)
406 rprintf(FLOG, "%s", err_buf);
407 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
409 rprintf (FERROR, "Error parsing options: "
410 "option may be supported on client but not on server?\n");
411 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
412 "option may be supported on client but not on server?\n");
418 * Tweak the option table to disable all options that the rsyncd.conf
419 * file has told us to refuse.
421 static void set_refuse_options(char *bp)
423 struct poptOption *op;
427 if ((cp = strchr(bp, ' ')) != NULL)
429 for (op = long_options; ; op++) {
432 "Unknown option %s in \"refuse options\" setting\n",
436 if (strcmp(bp, op->longName) == 0) {
437 op->val = (op - long_options)+OPT_REFUSED_BASE;
449 static int count_args(char const **argv)
453 while (argv[i] != NULL)
461 * Process command line arguments. Called on both local and remote.
463 * @retval 1 if all options are OK; with globals set to appropriate
466 * @retval 0 on error, with err_buf containing an explanation
468 int parse_arguments(int *argc, const char ***argv, int frommain)
471 char *ref = lp_refuse_options(module_id);
475 set_refuse_options(ref);
477 /* TODO: Call poptReadDefaultConfig; handle errors. */
479 /* The context leaks in case of an error, but if there's a
480 * problem we always exit anyhow. */
481 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
483 while ((opt = poptGetNextOpt(pc)) != -1) {
484 /* most options are handled automatically by popt;
485 * only special cases are returned and listed here. */
489 print_rsync_version(FINFO);
492 case OPT_MODIFY_WINDOW:
493 /* The value has already been set by popt, but
494 * we need to remember that we're using a
495 * non-default setting. */
496 modify_window_set = 1;
499 case OPT_DELETE_AFTER:
504 case OPT_DELETE_EXCLUDED:
510 add_exclude(&exclude_list, poptGetOptArg(pc),
515 add_exclude(&exclude_list, poptGetOptArg(pc),
519 case OPT_EXCLUDE_FROM:
520 add_exclude_file(&exclude_list, poptGetOptArg(pc),
521 MISSING_FATAL, ADD_EXCLUDE);
524 case OPT_INCLUDE_FROM:
525 add_exclude_file(&exclude_list, poptGetOptArg(pc),
526 MISSING_FATAL, ADD_INCLUDE);
545 exit_cleanup(RERR_SYNTAX);
555 case OPT_WRITE_BATCH:
556 /* popt stores the filename in batch_prefix for us */
558 checksum_seed = FIXED_CHECKSUM_SEED;
562 /* popt stores the filename in batch_prefix for us */
564 checksum_seed = FIXED_CHECKSUM_SEED;
569 compare_dest = (char *)poptGetOptArg(pc);
573 snprintf(err_buf, sizeof err_buf,
574 "hard links are not supported on this %s\n",
575 am_server ? "server" : "client");
576 rprintf(FERROR, "ERROR: %s", err_buf);
581 /* A large opt value means that set_refuse_options()
582 * turned this option off (opt-BASE is its index). */
583 if (opt >= OPT_REFUSED_BASE) {
584 struct poptOption *op =
585 &long_options[opt-OPT_REFUSED_BASE];
586 int n = snprintf(err_buf, sizeof err_buf,
587 "This server does not support --%s\n",
590 snprintf(err_buf+n, sizeof err_buf-n,
591 " (-%c)\n", op->shortName);
594 snprintf(err_buf, sizeof err_buf,
596 am_server ? "on remote machine: " : "",
597 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
605 if (preserve_links && !am_sender) {
606 snprintf(err_buf, sizeof err_buf,
607 "symlinks are not supported on this %s\n",
608 am_server ? "server" : "client");
609 rprintf(FERROR, "ERROR: %s", err_buf);
614 #if !SUPPORT_HARD_LINKS
615 if (preserve_hard_links) {
616 snprintf(err_buf, sizeof err_buf,
617 "hard links are not supported on this %s\n",
618 am_server ? "server" : "client");
619 rprintf(FERROR, "ERROR: %s", err_buf);
624 if (write_batch && read_batch) {
626 "write-batch and read-batch can not be used together\n");
627 exit_cleanup(RERR_SYNTAX);
629 if (batch_prefix && strlen(batch_prefix) > MAX_BATCH_PREFIX_LEN) {
631 "the batch-file prefix must be %d characters or less.\n",
632 MAX_BATCH_PREFIX_LEN);
633 exit_cleanup(RERR_SYNTAX);
636 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
637 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
638 exit_cleanup(RERR_SYNTAX);
641 if (do_compression && (write_batch || read_batch)) {
643 "compress can not be used with write-batch or read-batch\n");
644 exit_cleanup(RERR_SYNTAX);
657 preserve_devices = 1;
660 if (relative_paths < 0)
661 relative_paths = files_from? 1 : 0;
664 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
665 backup_suffix_len = strlen(backup_suffix);
666 if (strchr(backup_suffix, '/') != NULL) {
667 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
669 exit_cleanup(RERR_SYNTAX);
672 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
673 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
674 if (backup_dir_remainder < 32) {
675 rprintf(FERROR, "the --backup-dir path is WAY too long.\n");
676 exit_cleanup(RERR_SYNTAX);
678 if (backup_dir_buf[backup_dir_len - 1] != '/') {
679 backup_dir_buf[backup_dir_len++] = '/';
680 backup_dir_buf[backup_dir_len] = '\0';
683 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
684 } else if (!backup_suffix_len) {
686 "--suffix cannot be a null string without --backup-dir\n");
687 exit_cleanup(RERR_SYNTAX);
690 if (do_progress && !verbose)
693 *argv = poptGetArgs(pc);
695 *argc = count_args(*argv);
703 exit_cleanup(RERR_SYNTAX);
705 if (strcmp(files_from, "-") == 0) {
708 remote_filesfrom_file = "-";
710 else if ((colon = find_colon(files_from)) != 0) {
713 exit_cleanup(RERR_SYNTAX);
715 remote_filesfrom_file = colon+1 + (colon[1] == ':');
716 if (strcmp(remote_filesfrom_file, "-") == 0) {
717 rprintf(FERROR, "Invalid --files-from remote filename\n");
718 exit_cleanup(RERR_SYNTAX);
721 extern int sanitize_paths;
722 if (sanitize_paths) {
723 files_from = strdup(files_from);
724 sanitize_path(files_from, NULL);
726 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
727 if (filesfrom_fd < 0) {
728 rsyserr(FERROR, errno,
729 "failed to open files-from file %s",
731 exit_cleanup(RERR_FILEIO);
744 * Construct a filtered list of options to pass through from the
745 * client to the server.
747 * This involves setting options that will tell the server how to
748 * behave, and also filtering out options that are processed only
751 void server_options(char **args,int *argc)
754 static char argstr[50];
759 if (blocking_io == -1)
762 args[ac++] = "--server";
764 if (daemon_over_rsh) {
765 args[ac++] = "--daemon";
767 /* if we're passing --daemon, we're done */
772 args[ac++] = "--sender";
776 for (i = 0; i < verbose; i++)
779 /* the -q option is intentionally left out */
793 /* We don't need to send --no-whole-file, because it's the
794 * default for remote transfers, and in any case old versions
795 * of rsync will not understand it. */
797 if (preserve_hard_links)
803 if (preserve_devices)
826 /* this is a complete hack - blame Rusty
828 this is a hack to make the list_only (remote file list)
830 if (list_only && !recurse)
839 if (asprintf(&arg, "-B%u", block_size) < 0)
844 if (max_delete && am_sender) {
845 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
851 char *r_or_w = write_batch ? "write" : "read";
852 if (asprintf(&arg, "--%s-batch=%s", r_or_w, batch_prefix) < 0)
858 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
864 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
870 args[ac++] = "--backup-dir";
871 args[ac++] = backup_dir;
874 /* Only send --suffix if it specifies a non-default value. */
875 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
876 /* We use the following syntax to avoid weirdness with '~'. */
877 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
883 args[ac++] = "--delete-excluded";
884 else if (delete_mode)
885 args[ac++] = "--delete";
888 args[ac++] = "--size-only";
890 if (modify_window_set) {
891 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
897 args[ac++] = "--partial";
900 args[ac++] = "--force";
903 args[ac++] = "--delete-after";
906 args[ac++] = "--ignore-errors";
908 if (copy_unsafe_links)
909 args[ac++] = "--copy-unsafe-links";
912 args[ac++] = "--safe-links";
915 args[ac++] = "--numeric-ids";
917 if (only_existing && am_sender)
918 args[ac++] = "--existing";
920 if (opt_ignore_existing && am_sender)
921 args[ac++] = "--ignore-existing";
924 args[ac++] = "--temp-dir";
928 if (compare_dest && am_sender) {
929 /* the server only needs this option if it is not the sender,
930 * and it may be an older version that doesn't know this
931 * option, so don't send it if client is the sender.
933 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
934 args[ac++] = compare_dest;
937 if (files_from && (!am_sender || remote_filesfrom_file)) {
938 if (remote_filesfrom_file) {
939 args[ac++] = "--files-from";
940 args[ac++] = remote_filesfrom_file;
942 args[ac++] = "--from0";
944 args[ac++] = "--files-from=-";
945 args[ac++] = "--from0";
953 out_of_memory("server_options");
957 * Return the position of a ':' IF it is not part of a filename (i.e. as
958 * long as it doesn't occur after a slash.
960 char *find_colon(char *s)
968 /* now check to see if there is a / in the string before the : - if there is then
969 discard the colon on the assumption that the : is part of a filename */