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 int sanitize_paths;
25 extern int select_timeout;
26 extern char curr_dir[MAXPATHLEN];
27 extern struct exclude_list_struct exclude_list;
32 * If 1, send the whole file as literal data rather than trying to
33 * create an incremental diff.
35 * If -1, then look at whether we're local or remote and go by that.
37 * @sa disable_deltas_p()
42 int keep_dirlinks = 0;
44 int preserve_links = 0;
45 int preserve_hard_links = 0;
46 int preserve_perms = 0;
47 int preserve_devices = 0;
50 int preserve_times = 0;
57 int delete_excluded = 0;
58 int one_file_system = 0;
59 int protocol_version = PROTOCOL_VERSION;
61 int do_compression = 0;
64 int relative_paths = -1;
74 char *files_from = NULL;
75 int filesfrom_fd = -1;
76 char *remote_filesfrom_file = NULL;
80 int daemon_over_rsh = 0;
84 int safe_symlinks = 0;
85 int copy_unsafe_links = 0;
88 size_t bwlimit_writemax = 0;
90 int only_existing = 0;
91 int opt_ignore_existing = 0;
93 int ignore_errors = 0;
94 int modify_window = 0;
96 int checksum_seed = 0;
97 unsigned int block_size = 0;
100 /** Network address family. **/
102 int default_af_hint = 0; /* Any protocol */
104 int default_af_hint = AF_INET; /* Must use IPv4 */
107 /** Do not go into the background when run as --daemon. Good
108 * for debugging and required for running as a service on W32,
109 * or under Unix process-monitors. **/
114 int backup_dir_len = 0;
115 int backup_suffix_len;
116 unsigned int backup_dir_remainder;
118 char *backup_suffix = NULL;
120 char *compare_dest = NULL;
121 char *config_file = NULL;
122 char *shell_cmd = NULL;
123 char *log_format = NULL;
124 char *password_file = NULL;
125 char *rsync_path = RSYNC_PATH;
126 char *backup_dir = NULL;
127 char backup_dir_buf[MAXPATHLEN];
128 int rsync_port = RSYNC_PORT;
133 int always_checksum = 0;
136 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
137 char *batch_name = NULL;
139 static int daemon_opt; /* sets am_daemon after option error-reporting */
140 static int modify_window_set;
142 /** Local address to bind. As a character string because it's
143 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
144 * address, or a hostname. **/
148 static void print_rsync_version(enum logcode f)
150 char const *got_socketpair = "no ";
151 char const *hardlinks = "no ";
152 char const *links = "no ";
153 char const *ipv6 = "no ";
154 STRUCT_STAT *dumstat;
156 #ifdef HAVE_SOCKETPAIR
160 #if SUPPORT_HARD_LINKS
172 rprintf(f, "%s version %s protocol version %d\n",
173 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
175 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
176 rprintf(f, "<http://rsync.samba.org/>\n");
177 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
178 "%shard links, %ssymlinks, batchfiles, \n",
179 (int) (sizeof (OFF_T) * 8),
180 got_socketpair, hardlinks, links);
182 /* Note that this field may not have type ino_t. It depends
183 * on the complicated interaction between largefile feature
185 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
187 (int) (sizeof dumstat->st_ino * 8),
188 (int) (sizeof (uint64) * 8));
189 #ifdef MAINTAINER_MODE
190 rprintf(f, " panic action: \"%s\"\n",
195 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
200 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
201 "are welcome to redistribute it under certain conditions. See the GNU\n"
202 "General Public Licence for details.\n"
207 void usage(enum logcode F)
209 print_rsync_version(F);
211 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
213 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
214 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
215 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
216 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
217 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
218 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
219 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
220 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
221 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
222 rprintf(F," sources separated by space as long as they have same top-level\n");
223 rprintf(F,"\nOptions\n");
224 rprintf(F," -v, --verbose increase verbosity\n");
225 rprintf(F," -q, --quiet decrease verbosity\n");
226 rprintf(F," -c, --checksum always checksum\n");
227 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
228 rprintf(F," -r, --recursive recurse into directories\n");
229 rprintf(F," -R, --relative use relative path names\n");
230 rprintf(F," --no-relative turn off --relative\n");
231 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
232 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
233 rprintf(F," --backup-dir make backups into this directory\n");
234 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
235 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
236 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
237 rprintf(F," -l, --links copy symlinks as symlinks\n");
238 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
239 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
240 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
241 rprintf(F," -H, --hard-links preserve hard links\n");
242 rprintf(F," -p, --perms preserve permissions\n");
243 rprintf(F," -o, --owner preserve owner (root only)\n");
244 rprintf(F," -g, --group preserve group\n");
245 rprintf(F," -D, --devices preserve devices (root only)\n");
246 rprintf(F," -t, --times preserve times\n");
247 rprintf(F," -S, --sparse handle sparse files efficiently\n");
248 rprintf(F," -n, --dry-run show what would have been transferred\n");
249 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
250 rprintf(F," --no-whole-file turn off --whole-file\n");
251 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
252 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
253 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
254 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
255 rprintf(F," --existing only update files that already exist\n");
256 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
257 rprintf(F," --delete delete files that don't exist on the sending side\n");
258 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
259 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
260 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
261 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
262 rprintf(F," --partial keep partially transferred files\n");
263 rprintf(F," --force force deletion of directories even if not empty\n");
264 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
265 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
266 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
267 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
268 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
269 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
270 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
271 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
272 rprintf(F," -P equivalent to --partial --progress\n");
273 rprintf(F," -z, --compress compress file data\n");
274 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
275 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
276 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
277 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
278 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
279 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
280 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
281 rprintf(F," --version print version number\n");
282 rprintf(F," --daemon run as an rsync daemon\n");
283 rprintf(F," --no-detach do not detach from the parent\n");
284 rprintf(F," --address=ADDRESS bind to the specified address\n");
285 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
286 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
287 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
288 rprintf(F," --no-blocking-io turn off --blocking-io\n");
289 rprintf(F," --stats give some file transfer stats\n");
290 rprintf(F," --progress show progress during transfer\n");
291 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
292 rprintf(F," --password-file=FILE get password from FILE\n");
293 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
294 rprintf(F," --write-batch=FILE write a batch to FILE\n");
295 rprintf(F," --read-batch=FILE read a batch from FILE\n");
296 rprintf(F," --checksum-seed=NUM set block/file checksum seed\n");
298 rprintf(F," -4 --ipv4 prefer IPv4\n");
299 rprintf(F," -6 --ipv6 prefer IPv6\n");
301 rprintf(F," -h, --help show this help screen\n");
305 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
306 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
309 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
310 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
311 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
312 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT,
313 OPT_REFUSED_BASE = 9000};
315 static struct poptOption long_options[] = {
316 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
317 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
318 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
319 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
320 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
321 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
322 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
323 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
324 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
325 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
326 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
327 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
328 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
329 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
330 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
331 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
332 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
333 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
334 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
335 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
336 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
337 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
338 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
339 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
340 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
341 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
342 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
343 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
344 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
345 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
346 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
347 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
348 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
349 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
350 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
351 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
352 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
353 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
354 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
355 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
356 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
357 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
358 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
359 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
360 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
361 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
362 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
363 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
364 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
365 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
366 {"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 },
367 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
368 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
369 {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 },
370 /* TODO: Should this take an optional int giving the compression level? */
371 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
372 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
373 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
374 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
375 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
376 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
377 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
378 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
379 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
380 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
381 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
382 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
383 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
384 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
385 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
386 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
387 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
388 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
389 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
390 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
391 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
392 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
393 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
394 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
396 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
397 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
403 static char err_buf[200];
407 * Store the option error message, if any, so that we can log the
408 * connection attempt (which requires parsing the options), and then
409 * show the error later on.
411 void option_error(void)
414 strcpy(err_buf, "Error parsing options: "
415 "option may be supported on client but not on server?\n");
418 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
423 * Tweak the option table to disable all options that the rsyncd.conf
424 * file has told us to refuse.
426 static void set_refuse_options(char *bp)
428 struct poptOption *op;
432 if ((cp = strchr(bp, ' ')) != NULL)
434 for (op = long_options; ; op++) {
437 "Unknown option %s in \"refuse options\" setting\n",
441 if (strcmp(bp, op->longName) == 0) {
442 op->val = (op - long_options)+OPT_REFUSED_BASE;
454 static int count_args(char const **argv)
458 while (argv[i] != NULL)
466 * Process command line arguments. Called on both local and remote.
468 * @retval 1 if all options are OK; with globals set to appropriate
471 * @retval 0 on error, with err_buf containing an explanation
473 int parse_arguments(int *argc, const char ***argv, int frommain)
476 char *ref = lp_refuse_options(module_id);
481 set_refuse_options(ref);
483 /* TODO: Call poptReadDefaultConfig; handle errors. */
485 /* The context leaks in case of an error, but if there's a
486 * problem we always exit anyhow. */
487 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
489 while ((opt = poptGetNextOpt(pc)) != -1) {
490 /* most options are handled automatically by popt;
491 * only special cases are returned and listed here. */
495 print_rsync_version(FINFO);
498 case OPT_MODIFY_WINDOW:
499 /* The value has already been set by popt, but
500 * we need to remember that we're using a
501 * non-default setting. */
502 modify_window_set = 1;
505 case OPT_DELETE_AFTER:
510 case OPT_DELETE_EXCLUDED:
516 if (am_server || sanitize_paths)
517 return 0; /* Impossible... */
518 add_exclude(&exclude_list, poptGetOptArg(pc), 0);
522 if (am_server || sanitize_paths)
523 return 0; /* Impossible... */
524 add_exclude(&exclude_list, poptGetOptArg(pc),
528 case OPT_EXCLUDE_FROM:
529 if (am_server || sanitize_paths)
530 return 0; /* Impossible... */
531 arg = poptGetOptArg(pc);
532 add_exclude_file(&exclude_list, arg,
536 case OPT_INCLUDE_FROM:
537 if (am_server || sanitize_paths)
538 return 0; /* Impossible... */
539 arg = poptGetOptArg(pc);
540 add_exclude_file(&exclude_list, arg,
541 XFLG_FATAL_ERRORS | XFLG_DEF_INCLUDE);
560 exit_cleanup(RERR_SYNTAX);
570 case OPT_WRITE_BATCH:
571 /* batch_name is already set */
576 /* batch_name is already set */
581 if (io_timeout && io_timeout < select_timeout)
582 select_timeout = io_timeout;
590 snprintf(err_buf, sizeof err_buf,
591 "hard links are not supported on this %s\n",
592 am_server ? "server" : "client");
597 /* A large opt value means that set_refuse_options()
598 * turned this option off (opt-BASE is its index). */
599 if (opt >= OPT_REFUSED_BASE) {
600 struct poptOption *op =
601 &long_options[opt-OPT_REFUSED_BASE];
602 int n = snprintf(err_buf, sizeof err_buf,
603 "This server does not support --%s\n",
606 snprintf(err_buf+n, sizeof err_buf-n,
607 " (-%c)\n", op->shortName);
610 snprintf(err_buf, sizeof err_buf,
612 am_server ? "on remote machine: " : "",
613 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
621 if (preserve_links && !am_sender) {
622 snprintf(err_buf, sizeof err_buf,
623 "symlinks are not supported on this %s\n",
624 am_server ? "server" : "client");
629 #if !SUPPORT_HARD_LINKS
630 if (preserve_hard_links) {
631 snprintf(err_buf, sizeof err_buf,
632 "hard links are not supported on this %s\n",
633 am_server ? "server" : "client");
638 if (block_size > MAX_MAP_SIZE) {
639 rprintf(FINFO, "limiting block-size to %d bytes\n",
641 block_size = MAX_MAP_SIZE;
644 if (write_batch && read_batch) {
646 "write-batch and read-batch can not be used together\n");
647 exit_cleanup(RERR_SYNTAX);
649 if (write_batch || read_batch) {
652 "--%s-batch cannot be used with --dry_run (-n)\n",
653 write_batch ? "write" : "read");
654 exit_cleanup(RERR_SYNTAX);
658 "ignoring --%s-batch option sent to server\n",
659 write_batch ? "write" : "read");
660 /* We don't actually exit_cleanup(), so that we can
661 * still service older version clients that still send
662 * batch args to server. */
663 read_batch = write_batch = 0;
667 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
669 "the batch-file name must be %d characters or less.\n",
671 exit_cleanup(RERR_SYNTAX);
674 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
675 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
676 exit_cleanup(RERR_SYNTAX);
689 preserve_devices = 1;
692 if (relative_paths < 0)
693 relative_paths = files_from? 1 : 0;
695 *argv = poptGetArgs(pc);
697 *argc = count_args(*argv);
701 if (sanitize_paths) {
703 for (i = *argc; i-- > 0; )
704 (*argv)[i] = alloc_sanitize_path((*argv)[i], NULL);
706 tmpdir = alloc_sanitize_path(tmpdir, curr_dir);
708 compare_dest = alloc_sanitize_path(compare_dest, curr_dir);
710 backup_dir = alloc_sanitize_path(backup_dir, curr_dir);
712 files_from = alloc_sanitize_path(files_from, curr_dir);
722 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
723 backup_suffix_len = strlen(backup_suffix);
724 if (strchr(backup_suffix, '/') != NULL) {
725 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
727 exit_cleanup(RERR_SYNTAX);
730 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
731 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
732 if (backup_dir_remainder < 32) {
733 rprintf(FERROR, "the --backup-dir path is WAY too long.\n");
734 exit_cleanup(RERR_SYNTAX);
736 if (backup_dir_buf[backup_dir_len - 1] != '/') {
737 backup_dir_buf[backup_dir_len++] = '/';
738 backup_dir_buf[backup_dir_len] = '\0';
740 if (verbose > 1 && !am_sender)
741 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
742 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
744 "--suffix cannot be a null string without --backup-dir\n");
745 exit_cleanup(RERR_SYNTAX);
748 if (do_progress && !verbose)
752 bwlimit_writemax = (size_t)bwlimit * 128;
753 if (bwlimit_writemax < 512)
754 bwlimit_writemax = 512;
759 if (*argc != 2 && !(am_server && am_sender && *argc == 1)) {
761 exit_cleanup(RERR_SYNTAX);
763 if (strcmp(files_from, "-") == 0) {
766 remote_filesfrom_file = "-";
768 else if ((colon = find_colon(files_from)) != 0) {
771 exit_cleanup(RERR_SYNTAX);
773 remote_filesfrom_file = colon+1 + (colon[1] == ':');
774 if (strcmp(remote_filesfrom_file, "-") == 0) {
775 rprintf(FERROR, "Invalid --files-from remote filename\n");
776 exit_cleanup(RERR_SYNTAX);
779 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
780 if (filesfrom_fd < 0) {
781 rsyserr(FERROR, errno,
782 "failed to open files-from file %s",
784 exit_cleanup(RERR_FILEIO);
794 * Construct a filtered list of options to pass through from the
795 * client to the server.
797 * This involves setting options that will tell the server how to
798 * behave, and also filtering out options that are processed only
801 void server_options(char **args,int *argc)
804 static char argstr[50];
809 if (blocking_io == -1)
812 args[ac++] = "--server";
814 if (daemon_over_rsh) {
815 args[ac++] = "--daemon";
817 /* if we're passing --daemon, we're done */
822 args[ac++] = "--sender";
826 for (i = 0; i < verbose; i++)
829 /* the -q option is intentionally left out */
840 if (keep_dirlinks && am_sender)
845 /* We don't need to send --no-whole-file, because it's the
846 * default for remote transfers, and in any case old versions
847 * of rsync will not understand it. */
849 if (preserve_hard_links)
855 if (preserve_devices)
878 /* this is a complete hack - blame Rusty
880 this is a hack to make the list_only (remote file list)
882 if (list_only && !recurse)
891 if (asprintf(&arg, "-B%u", block_size) < 0)
896 if (max_delete && am_sender) {
897 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
903 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
909 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
915 args[ac++] = "--backup-dir";
916 args[ac++] = backup_dir;
919 /* Only send --suffix if it specifies a non-default value. */
920 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
921 /* We use the following syntax to avoid weirdness with '~'. */
922 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
928 args[ac++] = "--delete-excluded";
929 else if (delete_mode)
930 args[ac++] = "--delete";
933 args[ac++] = "--size-only";
935 if (modify_window_set) {
936 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
942 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
948 args[ac++] = "--partial";
951 args[ac++] = "--force";
954 args[ac++] = "--delete-after";
957 args[ac++] = "--ignore-errors";
959 if (copy_unsafe_links)
960 args[ac++] = "--copy-unsafe-links";
963 args[ac++] = "--safe-links";
966 args[ac++] = "--numeric-ids";
968 if (only_existing && am_sender)
969 args[ac++] = "--existing";
971 if (opt_ignore_existing && am_sender)
972 args[ac++] = "--ignore-existing";
975 args[ac++] = "--temp-dir";
979 if (compare_dest && am_sender) {
980 /* the server only needs this option if it is not the sender,
981 * and it may be an older version that doesn't know this
982 * option, so don't send it if client is the sender.
984 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
985 args[ac++] = compare_dest;
988 if (files_from && (!am_sender || remote_filesfrom_file)) {
989 if (remote_filesfrom_file) {
990 args[ac++] = "--files-from";
991 args[ac++] = remote_filesfrom_file;
993 args[ac++] = "--from0";
995 args[ac++] = "--files-from=-";
996 args[ac++] = "--from0";
1004 out_of_memory("server_options");
1008 * Return the position of a ':' IF it is not part of a filename (i.e. as
1009 * long as it doesn't occur after a slash.
1011 char *find_colon(char *s)
1019 /* now check to see if there is a / in the string before the : - if there is then
1020 discard the colon on the assumption that the : is part of a filename */