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.
25 extern int sanitize_paths;
26 extern struct filter_list_struct filter_list;
27 extern struct filter_list_struct server_filter_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;
51 int omit_dir_times = 0;
58 int delete_during = 0;
59 int delete_before = 0;
61 int delete_excluded = 0;
62 int remove_sent_files = 0;
63 int one_file_system = 0;
64 int protocol_version = PROTOCOL_VERSION;
66 int do_compression = 0;
71 int am_starting_up = 1;
73 int relative_paths = -1;
79 char *files_from = NULL;
80 int filesfrom_fd = -1;
81 char *filesfrom_host = NULL;
86 int daemon_over_rsh = 0;
90 int safe_symlinks = 0;
91 int copy_unsafe_links = 0;
93 int daemon_bwlimit = 0;
96 size_t bwlimit_writemax = 0;
97 int only_existing = 0;
98 int opt_ignore_existing = 0;
99 int need_messages_from_generator = 0;
102 int ignore_errors = 0;
103 int modify_window = 0;
104 int blocking_io = -1;
105 int checksum_seed = 0;
107 int delay_updates = 0;
108 long block_size = 0; /* "long" because popt can't set an int32. */
111 /** Network address family. **/
113 int default_af_hint = 0; /* Any protocol */
115 int default_af_hint = AF_INET; /* Must use IPv4 */
118 /** Do not go into the background when run as --daemon. Good
119 * for debugging and required for running as a service on W32,
120 * or under Unix process-monitors. **/
122 #if defined _WIN32 || defined __WIN32__
130 int backup_dir_len = 0;
131 int backup_suffix_len;
132 unsigned int backup_dir_remainder;
134 char *backup_suffix = NULL;
136 char *partial_dir = NULL;
137 char *basis_dir[MAX_BASIS_DIRS+1];
138 char *config_file = NULL;
139 char *shell_cmd = NULL;
140 char *log_format = NULL;
141 char *password_file = NULL;
142 char *rsync_path = RSYNC_PATH;
143 char *backup_dir = NULL;
144 char backup_dir_buf[MAXPATHLEN];
146 int compare_dest = 0;
149 int basis_dir_cnt = 0;
150 char *dest_option = NULL;
154 int log_before_transfer = 0;
155 int log_format_has_i = 0;
156 int log_format_has_o_or_i = 0;
157 int always_checksum = 0;
160 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
161 char *batch_name = NULL;
163 static int daemon_opt; /* sets am_daemon after option error-reporting */
164 static int F_option_cnt = 0;
165 static int modify_window_set;
166 static int itemize_changes = 0;
167 static int refused_delete, refused_archive_part;
168 static int refused_partial, refused_progress, refused_delete_before;
169 static int refused_inplace;
170 static char *max_size_arg;
171 static char partialdir_for_delayupdate[] = ".~tmp~";
173 /** Local address to bind. As a character string because it's
174 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
175 * address, or a hostname. **/
179 static void print_rsync_version(enum logcode f)
181 char const *got_socketpair = "no ";
182 char const *have_inplace = "no ";
183 char const *hardlinks = "no ";
184 char const *links = "no ";
185 char const *ipv6 = "no ";
186 STRUCT_STAT *dumstat;
188 #ifdef HAVE_SOCKETPAIR
192 #ifdef HAVE_FTRUNCATE
196 #ifdef SUPPORT_HARD_LINKS
208 rprintf(f, "%s version %s protocol version %d\n",
209 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
211 "Copyright (C) 1996-2005 by Andrew Tridgell and others\n");
212 rprintf(f, "<http://rsync.samba.org/>\n");
213 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
214 "%shard links, %ssymlinks, batchfiles, \n",
215 (int) (sizeof (OFF_T) * 8),
216 got_socketpair, hardlinks, links);
218 /* Note that this field may not have type ino_t. It depends
219 * on the complicated interaction between largefile feature
221 rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n",
223 (int) (sizeof dumstat->st_ino * 8),
224 (int) (sizeof (int64) * 8));
225 #ifdef MAINTAINER_MODE
226 rprintf(f, " panic action: \"%s\"\n",
231 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
233 if (sizeof (int64) != SIZEOF_INT64) {
235 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
236 (int) SIZEOF_INT64, (int) sizeof (int64));
241 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
242 "are welcome to redistribute it under certain conditions. See the GNU\n"
243 "General Public Licence for details.\n"
248 void usage(enum logcode F)
250 print_rsync_version(F);
252 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
254 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
255 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
256 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
257 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
258 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
259 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
260 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
261 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
262 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
263 rprintf(F," sources separated by space as long as they have same top-level\n");
264 rprintf(F,"\nOptions\n");
265 rprintf(F," -v, --verbose increase verbosity\n");
266 rprintf(F," -q, --quiet suppress non-error messages\n");
267 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
268 rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n");
269 rprintf(F," --no-OPTION turn of an implied OPTION (e.g. --no-D)\n");
270 rprintf(F," -r, --recursive recurse into directories\n");
271 rprintf(F," -R, --relative use relative path names\n");
272 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
273 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
274 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
275 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
276 rprintf(F," -u, --update skip files that are newer on the receiver\n");
277 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
278 rprintf(F," --append append data onto shorter files\n");
279 rprintf(F," -d, --dirs transfer directories without recursing\n");
280 rprintf(F," -l, --links copy symlinks as symlinks\n");
281 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
282 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
283 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
284 rprintf(F," -H, --hard-links preserve hard links\n");
285 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
286 rprintf(F," -p, --perms preserve permissions\n");
287 rprintf(F," -o, --owner preserve owner (root only)\n");
288 rprintf(F," -g, --group preserve group\n");
289 rprintf(F," -D, --devices preserve devices (root only)\n");
290 rprintf(F," -t, --times preserve times\n");
291 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
292 rprintf(F," -S, --sparse handle sparse files efficiently\n");
293 rprintf(F," -n, --dry-run show what would have been transferred\n");
294 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
295 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
296 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
297 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
298 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
299 rprintf(F," --existing only update files that already exist on receiver\n");
300 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
301 rprintf(F," --remove-sent-files sent files/symlinks are removed from sending side\n");
302 rprintf(F," --del an alias for --delete-during\n");
303 rprintf(F," --delete delete files that don't exist on the sending side\n");
304 rprintf(F," --delete-before receiver deletes before transfer (default)\n");
305 rprintf(F," --delete-during receiver deletes during transfer, not before\n");
306 rprintf(F," --delete-after receiver deletes after transfer, not before\n");
307 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
308 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
309 rprintf(F," --force force deletion of directories even if not empty\n");
310 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
311 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
312 rprintf(F," --partial keep partially transferred files\n");
313 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
314 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
315 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
316 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
317 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
318 rprintf(F," --size-only skip files that match in size\n");
319 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
320 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
321 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
322 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
323 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
324 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
325 rprintf(F," -z, --compress compress file data during the transfer\n");
326 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
327 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
328 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
329 rprintf(F," repeated: --filter='- .rsync-filter'\n");
330 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
331 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
332 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
333 rprintf(F," --include-from=FILE read include patterns from FILE\n");
334 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
335 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
336 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
337 rprintf(F," --port=PORT specify double-colon alternate port number\n");
338 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
339 rprintf(F," --stats give some file-transfer stats\n");
340 rprintf(F," --progress show progress during transfer\n");
341 rprintf(F," -P same as --partial --progress\n");
342 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
343 rprintf(F," --log-format=FORMAT output filenames using the specified format\n");
344 rprintf(F," --password-file=FILE read password from FILE\n");
345 rprintf(F," --list-only list the files instead of copying them\n");
346 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
347 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
348 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
349 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
350 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
352 rprintf(F," -4, --ipv4 prefer IPv4\n");
353 rprintf(F," -6, --ipv6 prefer IPv6\n");
355 rprintf(F," --version print version number\n");
356 rprintf(F," -h, --help show this help screen\n");
358 rprintf(F,"\nUse \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
359 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
360 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
363 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
364 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST,
365 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
366 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
367 OPT_REFUSED_BASE = 9000};
369 static struct poptOption long_options[] = {
370 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
371 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
372 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
373 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
374 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
375 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
376 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
377 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
378 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
379 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
380 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
381 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
382 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
383 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
384 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
385 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
386 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
387 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
388 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
389 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
390 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
391 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
392 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
393 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
394 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
395 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
396 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
397 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
398 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
399 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
400 {"devices", 'D', POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
401 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
402 {"no-D", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
403 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
404 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
405 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
406 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
407 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
408 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
409 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
410 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
411 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
412 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
413 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
414 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
415 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
416 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
417 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
418 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
419 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
420 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
421 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
422 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
423 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
424 {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 },
425 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
426 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
427 {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 },
428 {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
429 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
430 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
431 {"remove-sent-files",0, POPT_ARG_NONE, &remove_sent_files, 0, 0, 0 },
432 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
433 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
434 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
435 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
436 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
437 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
438 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
439 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
440 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
441 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
442 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
443 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
444 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
445 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
446 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
447 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
448 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
449 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
450 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
451 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
452 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
453 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
454 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
455 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
456 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
457 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
458 {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 },
459 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
460 {"itemize-changes", 'i', POPT_ARG_NONE, &itemize_changes, 0, 0, 0 },
461 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
462 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
463 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
464 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
465 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
466 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
467 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
468 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
469 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
470 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
471 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
472 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
473 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
474 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
475 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
477 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
478 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
480 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
481 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
482 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
483 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
484 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
485 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
486 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
487 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
488 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
489 /* All the following options switch us into daemon-mode option-parsing. */
490 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
491 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
492 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
493 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
497 static void daemon_usage(enum logcode F)
499 print_rsync_version(F);
501 rprintf(F,"\nUsage: rsync --daemon [OPTION]...\n");
502 rprintf(F," --address=ADDRESS bind to the specified address\n");
503 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
504 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
505 rprintf(F," --no-detach do not detach from the parent\n");
506 rprintf(F," --port=PORT listen on alternate port number\n");
507 rprintf(F," -v, --verbose increase verbosity\n");
509 rprintf(F," -4, --ipv4 prefer IPv4\n");
510 rprintf(F," -6, --ipv6 prefer IPv6\n");
512 rprintf(F," -h, --help show this help screen\n");
514 rprintf(F,"\nIf you were not trying to invoke rsync as a daemon, avoid using any of the\n");
515 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
518 static struct poptOption long_daemon_options[] = {
519 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
520 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
521 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
522 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
523 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
525 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
526 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
528 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
529 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
530 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
531 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
532 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
533 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
534 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
535 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
540 static char err_buf[200];
544 * Store the option error message, if any, so that we can log the
545 * connection attempt (which requires parsing the options), and then
546 * show the error later on.
548 void option_error(void)
551 strcpy(err_buf, "Error parsing options: "
552 "option may be supported on client but not on server?\n");
555 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
560 * Tweak the option table to disable all options that the rsyncd.conf
561 * file has told us to refuse.
563 static void set_refuse_options(char *bp)
565 struct poptOption *op;
566 char *cp, shortname[2];
567 int is_wild, found_match;
572 while (*bp == ' ') bp++;
575 if ((cp = strchr(bp, ' ')) != NULL)
577 is_wild = strpbrk(bp, "*?[") != NULL;
579 for (op = long_options; ; op++) {
580 *shortname = op->shortName;
581 if (!op->longName && !*shortname)
583 if ((op->longName && wildmatch(bp, op->longName))
584 || (*shortname && wildmatch(bp, shortname))) {
585 if (op->argInfo == POPT_ARG_VAL)
586 op->argInfo = POPT_ARG_NONE;
587 op->val = (op - long_options) + OPT_REFUSED_BASE;
589 /* These flags are set to let us easily check
590 * an implied option later in the code. */
591 switch (*shortname) {
592 case 'r': case 'd': case 'l': case 'p':
593 case 't': case 'g': case 'o': case 'D':
594 refused_archive_part = op->val;
597 if (wildmatch("delete", op->longName))
598 refused_delete = op->val;
599 else if (wildmatch("delete-before", op->longName))
600 refused_delete_before = op->val;
601 else if (wildmatch("partial", op->longName))
602 refused_partial = op->val;
603 else if (wildmatch("progress", op->longName))
604 refused_progress = op->val;
605 else if (wildmatch("inplace", op->longName))
606 refused_inplace = op->val;
614 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
623 for (op = long_options; ; op++) {
624 *shortname = op->shortName;
625 if (!op->longName && !*shortname)
627 if (op->val == OPT_DAEMON) {
628 if (op->argInfo == POPT_ARG_VAL)
629 op->argInfo = POPT_ARG_NONE;
630 op->val = (op - long_options) + OPT_REFUSED_BASE;
636 static int count_args(const char **argv)
641 while (argv[i] != NULL)
649 static OFF_T parse_size_arg(const char *size_arg)
654 for (arg = size_arg; isdigit(*(uchar*)arg); arg++) {}
656 for (arg++; isdigit(*(uchar*)arg); arg++) {}
659 size = atof(size_arg) * 1024;
662 size = atof(size_arg) * 1024*1024;
665 size = atof(size_arg) * 1024*1024*1024;
668 size = atof(size_arg);
678 static void create_refuse_error(int which)
680 /* The "which" value is the index + OPT_REFUSED_BASE. */
681 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
682 int n = snprintf(err_buf, sizeof err_buf,
683 "The server is configured to refuse --%s\n",
686 snprintf(err_buf + n, sizeof err_buf - n,
687 " (-%c)\n", op->shortName);
693 * Process command line arguments. Called on both local and remote.
695 * @retval 1 if all options are OK; with globals set to appropriate
698 * @retval 0 on error, with err_buf containing an explanation
700 int parse_arguments(int *argc, const char ***argv, int frommain)
703 char *ref = lp_refuse_options(module_id);
708 set_refuse_options(ref);
710 /* TODO: Call poptReadDefaultConfig; handle errors. */
712 /* The context leaks in case of an error, but if there's a
713 * problem we always exit anyhow. */
714 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
715 poptReadDefaultConfig(pc, 0);
717 while ((opt = poptGetNextOpt(pc)) != -1) {
718 /* most options are handled automatically by popt;
719 * only special cases are returned and listed here. */
723 print_rsync_version(FINFO);
728 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
732 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
733 long_daemon_options, 0);
734 while ((opt = poptGetNextOpt(pc)) != -1) {
746 "rsync: %s: %s (in daemon mode)\n",
747 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
753 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
756 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
757 exit_cleanup(RERR_SYNTAX);
759 *argv = poptGetArgs(pc);
760 *argc = count_args(*argv);
766 case OPT_MODIFY_WINDOW:
767 /* The value has already been set by popt, but
768 * we need to remember that we're using a
769 * non-default setting. */
770 modify_window_set = 1;
774 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
778 parse_rule(&filter_list, poptGetOptArg(pc),
779 0, XFLG_OLD_PREFIXES);
783 parse_rule(&filter_list, poptGetOptArg(pc),
784 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
787 case OPT_EXCLUDE_FROM:
788 case OPT_INCLUDE_FROM:
789 arg = poptGetOptArg(pc);
791 arg = sanitize_path(NULL, arg, NULL, 0);
792 if (server_filter_list.head) {
793 char *cp = (char *)arg;
795 goto options_rejected;
797 if (check_filter(&server_filter_list, cp, 0) < 0)
798 goto options_rejected;
800 parse_filter_file(&filter_list, arg,
801 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
802 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
806 if (refused_archive_part) {
807 create_refuse_error(refused_archive_part);
810 if (!recurse) /* preserve recurse == 2 */
819 preserve_devices = 1;
838 exit_cleanup(RERR_SYNTAX);
844 switch (++F_option_cnt) {
846 parse_rule(&filter_list,": /.rsync-filter",0,0);
849 parse_rule(&filter_list,"- .rsync-filter",0,0);
855 if (refused_partial || refused_progress) {
856 create_refuse_error(refused_partial
857 ? refused_partial : refused_progress);
864 case OPT_WRITE_BATCH:
865 /* batch_name is already set */
869 case OPT_ONLY_WRITE_BATCH:
870 /* batch_name is already set */
875 /* batch_name is already set */
880 if ((max_size = parse_size_arg(max_size_arg)) <= 0) {
881 snprintf(err_buf, sizeof err_buf,
882 "--max-size value is invalid: %s\n",
891 dest_option = "--link-dest";
894 snprintf(err_buf, sizeof err_buf,
895 "hard links are not supported on this %s\n",
896 am_server ? "server" : "client");
902 dest_option = "--copy-dest";
905 case OPT_COMPARE_DEST:
907 dest_option = "--compare-dest";
909 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
910 snprintf(err_buf, sizeof err_buf,
911 "ERROR: at most %d %s args may be specified\n",
912 MAX_BASIS_DIRS, dest_option);
915 arg = poptGetOptArg(pc);
917 arg = sanitize_path(NULL, arg, NULL, 0);
918 basis_dir[basis_dir_cnt++] = (char *)arg;
922 /* A large opt value means that set_refuse_options()
923 * turned this option off. */
924 if (opt >= OPT_REFUSED_BASE) {
925 create_refuse_error(opt);
928 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
929 am_server ? "on remote machine: " : "",
930 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
936 #ifndef SUPPORT_LINKS
937 if (preserve_links && !am_sender) {
938 snprintf(err_buf, sizeof err_buf,
939 "symlinks are not supported on this %s\n",
940 am_server ? "server" : "client");
945 #ifndef SUPPORT_HARD_LINKS
946 if (preserve_hard_links) {
947 snprintf(err_buf, sizeof err_buf,
948 "hard links are not supported on this %s\n",
949 am_server ? "server" : "client");
954 if (write_batch && read_batch) {
955 snprintf(err_buf, sizeof err_buf,
956 "--write-batch and --read-batch can not be used together\n");
959 if (write_batch > 0 || read_batch) {
962 "ignoring --%s-batch option sent to server\n",
963 write_batch ? "write" : "read");
964 /* We don't actually exit_cleanup(), so that we can
965 * still service older version clients that still send
966 * batch args to server. */
967 read_batch = write_batch = 0;
972 if (read_batch && files_from) {
973 snprintf(err_buf, sizeof err_buf,
974 "--read-batch cannot be used with --files-from\n");
977 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
978 snprintf(err_buf, sizeof err_buf,
979 "the batch-file name must be %d characters or less.\n",
984 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
985 snprintf(err_buf, sizeof err_buf,
986 "the --temp-dir path is WAY too long.\n");
990 if (compare_dest + copy_dest + link_dest > 1) {
991 snprintf(err_buf, sizeof err_buf,
992 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
997 if (recurse == 1) /* preserve recurse == 2 */
1004 xfer_dirs = recurse || list_only;
1006 if (relative_paths < 0)
1007 relative_paths = files_from? 1 : 0;
1008 if (!relative_paths)
1011 if (!!delete_before + delete_during + delete_after > 1) {
1012 snprintf(err_buf, sizeof err_buf,
1013 "You may not combine multiple --delete-WHEN options.\n");
1017 delete_before = delete_during = delete_after = 0;
1018 delete_mode = delete_excluded = 0;
1019 } else if (delete_before || delete_during || delete_after)
1021 else if (delete_mode || delete_excluded) {
1022 if (refused_delete_before) {
1023 create_refuse_error(refused_delete_before);
1026 delete_mode = delete_before = 1;
1029 if (delete_mode && refused_delete) {
1030 create_refuse_error(refused_delete);
1034 if (remove_sent_files) {
1035 /* We only want to infer this refusal of --remove-sent-files
1036 * via the refusal of "delete", not any of the "delete-FOO"
1038 if (refused_delete && am_sender) {
1039 create_refuse_error(refused_delete);
1042 need_messages_from_generator = 1;
1045 *argv = poptGetArgs(pc);
1046 *argc = count_args(*argv);
1048 if (sanitize_paths) {
1050 for (i = *argc; i-- > 0; )
1051 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
1053 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1055 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
1057 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
1059 if (server_filter_list.head && !am_sender) {
1060 struct filter_list_struct *elp = &server_filter_list;
1064 goto options_rejected;
1065 clean_fname(tmpdir, 1);
1066 if (check_filter(elp, tmpdir, 1) < 0)
1067 goto options_rejected;
1069 if (partial_dir && *partial_dir) {
1070 clean_fname(partial_dir, 1);
1071 if (check_filter(elp, partial_dir, 1) < 0)
1072 goto options_rejected;
1074 for (i = 0; i < basis_dir_cnt; i++) {
1076 goto options_rejected;
1077 clean_fname(basis_dir[i], 1);
1078 if (check_filter(elp, basis_dir[i], 1) < 0)
1079 goto options_rejected;
1083 goto options_rejected;
1084 clean_fname(backup_dir, 1);
1085 if (check_filter(elp, backup_dir, 1) < 0) {
1087 snprintf(err_buf, sizeof err_buf,
1088 "Your options have been rejected by the server.\n");
1095 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1096 backup_suffix_len = strlen(backup_suffix);
1097 if (strchr(backup_suffix, '/') != NULL) {
1098 snprintf(err_buf, sizeof err_buf,
1099 "--suffix cannot contain slashes: %s\n",
1104 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1105 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1106 if (backup_dir_remainder < 32) {
1107 snprintf(err_buf, sizeof err_buf,
1108 "the --backup-dir path is WAY too long.\n");
1111 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1112 backup_dir_buf[backup_dir_len++] = '/';
1113 backup_dir_buf[backup_dir_len] = '\0';
1115 if (verbose > 1 && !am_sender) {
1116 rprintf(FINFO, "backup_dir is %s\n",
1117 safe_fname(backup_dir_buf));
1119 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1120 snprintf(err_buf, sizeof err_buf,
1121 "--suffix cannot be a null string without --backup-dir\n");
1124 if (make_backups && !backup_dir)
1128 if (log_format_has(log_format, 'i'))
1129 log_format_has_i = 1;
1130 if (!log_format_has(log_format, 'b')
1131 && !log_format_has(log_format, 'c'))
1132 log_before_transfer = !am_server;
1133 } else if (itemize_changes) {
1134 log_format = "%i %n%L";
1135 log_format_has_i = 1;
1136 log_before_transfer = !am_server;
1139 if ((do_progress || dry_run) && !verbose && !log_before_transfer
1146 set_io_timeout(io_timeout);
1148 if (verbose && !log_format) {
1149 log_format = "%n%L";
1150 log_before_transfer = !am_server;
1152 if (log_format_has_i || log_format_has(log_format, 'o'))
1153 log_format_has_o_or_i = 1;
1155 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1156 bwlimit = daemon_bwlimit;
1158 bwlimit_writemax = (size_t)bwlimit * 128;
1159 if (bwlimit_writemax < 512)
1160 bwlimit_writemax = 512;
1163 if (sparse_files && inplace) {
1164 /* Note: we don't check for this below, because --append is
1165 * OK with --sparse (as long as redos are handled right). */
1166 snprintf(err_buf, sizeof err_buf,
1167 "--sparse cannot be used with --inplace\n");
1172 if (whole_file > 0) {
1173 snprintf(err_buf, sizeof err_buf,
1174 "--append cannot be used with --whole-file\n");
1177 if (refused_inplace) {
1178 create_refuse_error(refused_inplace);
1184 if (delay_updates && !partial_dir)
1185 partial_dir = partialdir_for_delayupdate;
1188 #ifdef HAVE_FTRUNCATE
1190 snprintf(err_buf, sizeof err_buf,
1191 "--%s cannot be used with --%s\n",
1192 append_mode ? "append" : "inplace",
1193 delay_updates ? "delay-updates" : "partial-dir");
1196 /* --inplace implies --partial for refusal purposes, but we
1197 * clear the keep_partial flag for internal logic purposes. */
1198 if (refused_partial) {
1199 create_refuse_error(refused_partial);
1204 snprintf(err_buf, sizeof err_buf,
1205 "--%s is not supported on this %s\n",
1206 append_mode ? "append" : "inplace",
1207 am_server ? "server" : "client");
1211 if (keep_partial && !partial_dir) {
1212 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1213 partial_dir = strdup(arg);
1217 clean_fname(partial_dir, 1);
1218 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1220 else if (*partial_dir != '/') {
1221 parse_rule(&filter_list, partial_dir,
1222 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
1224 if (!partial_dir && refused_partial) {
1225 create_refuse_error(refused_partial);
1235 if (*argc > 2 || (!am_daemon && *argc == 1)) {
1237 exit_cleanup(RERR_SYNTAX);
1239 if (strcmp(files_from, "-") == 0) {
1242 filesfrom_host = ""; /* reading from socket */
1243 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1245 snprintf(err_buf, sizeof err_buf,
1246 "The --files-from sent to the server cannot specify a host.\n");
1251 if (strcmp(files_from, "-") == 0) {
1252 snprintf(err_buf, sizeof err_buf,
1253 "Invalid --files-from remote filename\n");
1258 files_from = sanitize_path(NULL, files_from, NULL, 0);
1259 if (server_filter_list.head) {
1261 goto options_rejected;
1262 clean_fname(files_from, 1);
1263 if (check_filter(&server_filter_list, files_from, 0) < 0)
1264 goto options_rejected;
1266 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1267 if (filesfrom_fd < 0) {
1268 snprintf(err_buf, sizeof err_buf,
1269 "failed to open files-from file %s: %s\n",
1270 files_from, strerror(errno));
1283 * Construct a filtered list of options to pass through from the
1284 * client to the server.
1286 * This involves setting options that will tell the server how to
1287 * behave, and also filtering out options that are processed only
1290 void server_options(char **args,int *argc)
1292 static char argstr[64];
1298 if (blocking_io == -1)
1301 args[ac++] = "--server";
1303 if (daemon_over_rsh) {
1304 args[ac++] = "--daemon";
1306 /* if we're passing --daemon, we're done */
1311 args[ac++] = "--sender";
1315 for (i = 0; i < verbose; i++)
1318 /* the -q option is intentionally left out */
1323 if (!do_xfers) /* NOT "dry_run"! */
1331 if (keep_dirlinks && am_sender)
1336 /* We don't need to send --no-whole-file, because it's the
1337 * default for remote transfers, and in any case old versions
1338 * of rsync will not understand it. */
1340 if (preserve_hard_links)
1346 if (preserve_devices)
1350 if (omit_dir_times == 2 && am_sender)
1356 if (always_checksum)
1364 if (one_file_system)
1371 /* This is a complete hack - blame Rusty. FIXME!
1372 * This hack is only needed for older rsync versions that
1373 * don't understand the --list-only option. */
1374 if (list_only == 1 && !recurse)
1380 args[ac++] = argstr;
1383 args[ac++] = "--list-only";
1385 /* The server side doesn't use our log-format, but in certain
1386 * circumstances they need to know a little about the option. */
1387 if (log_format && am_sender) {
1388 if (log_format_has_i)
1389 args[ac++] = "--log-format=%i";
1390 else if (log_format_has_o_or_i)
1391 args[ac++] = "--log-format=%o";
1393 args[ac++] = "--log-format=X";
1397 if (asprintf(&arg, "-B%lu", block_size) < 0)
1402 if (max_delete && am_sender) {
1403 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1408 if (max_size && am_sender) {
1409 args[ac++] = "--max-size";
1410 args[ac++] = max_size_arg;
1414 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1420 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1426 args[ac++] = "--backup-dir";
1427 args[ac++] = backup_dir;
1430 /* Only send --suffix if it specifies a non-default value. */
1431 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1432 /* We use the following syntax to avoid weirdness with '~'. */
1433 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1439 if (delete_excluded)
1440 args[ac++] = "--delete-excluded";
1441 else if (delete_before == 1 || delete_after)
1442 args[ac++] = "--delete";
1443 if (delete_before > 1)
1444 args[ac++] = "--delete-before";
1446 args[ac++] = "--delete-during";
1448 args[ac++] = "--delete-after";
1450 args[ac++] = "--force";
1451 if (write_batch < 0)
1452 args[ac++] = "--only-write-batch=X";
1456 args[ac++] = "--size-only";
1458 if (modify_window_set) {
1459 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1464 if (checksum_seed) {
1465 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1470 if (partial_dir && am_sender) {
1471 if (partial_dir != partialdir_for_delayupdate) {
1472 args[ac++] = "--partial-dir";
1473 args[ac++] = partial_dir;
1476 args[ac++] = "--delay-updates";
1477 } else if (keep_partial)
1478 args[ac++] = "--partial";
1481 args[ac++] = "--ignore-errors";
1483 if (copy_unsafe_links)
1484 args[ac++] = "--copy-unsafe-links";
1487 args[ac++] = "--safe-links";
1490 args[ac++] = "--numeric-ids";
1492 if (only_existing && am_sender)
1493 args[ac++] = "--existing";
1495 if (opt_ignore_existing && am_sender)
1496 args[ac++] = "--ignore-existing";
1499 args[ac++] = "--append";
1501 args[ac++] = "--inplace";
1504 args[ac++] = "--temp-dir";
1505 args[ac++] = tmpdir;
1508 if (basis_dir[0] && am_sender) {
1509 /* the server only needs this option if it is not the sender,
1510 * and it may be an older version that doesn't know this
1511 * option, so don't send it if client is the sender.
1514 for (i = 0; i < basis_dir_cnt; i++) {
1515 args[ac++] = dest_option;
1516 args[ac++] = basis_dir[i];
1520 if (files_from && (!am_sender || filesfrom_host)) {
1521 if (filesfrom_host) {
1522 args[ac++] = "--files-from";
1523 args[ac++] = files_from;
1525 args[ac++] = "--from0";
1527 args[ac++] = "--files-from=-";
1528 args[ac++] = "--from0";
1530 if (!relative_paths)
1531 args[ac++] = "--no-relative";
1533 if (relative_paths && !implied_dirs && !am_sender)
1534 args[ac++] = "--no-implied-dirs";
1536 if (fuzzy_basis && am_sender)
1537 args[ac++] = "--fuzzy";
1539 if (remove_sent_files)
1540 args[ac++] = "--remove-sent-files";
1546 out_of_memory("server_options");
1549 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1550 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1551 * memory with the HOST. If a daemon-accessing spec was specified, the value
1552 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1553 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1554 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1555 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1556 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
1561 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1564 s += strlen(URL_PREFIX);
1565 if ((p = strchr(s, '/')) != NULL) {
1569 hostlen = strlen(s);
1572 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1576 *port_ptr = atoi(p+2);
1578 if ((p = strchr(s, ':')) != NULL) {
1580 *port_ptr = atoi(p+1);
1584 *port_ptr = RSYNC_PORT;
1585 *host_ptr = new_array(char, hostlen + 1);
1586 strlcpy(*host_ptr, s, hostlen + 1);
1590 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
1593 not_host = strchr(s, '/') || !strchr(s, ':');
1599 if (!(p = strchr(s, ':')))
1602 not_host = strchr(s, '/') != NULL;
1608 *host_ptr = new_array(char, p - s + 1);
1609 strlcpy(*host_ptr, s, p - s + 1);
1612 if (port_ptr && !*port_ptr)
1613 *port_ptr = RSYNC_PORT;