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 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
534 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
539 static char err_buf[200];
543 * Store the option error message, if any, so that we can log the
544 * connection attempt (which requires parsing the options), and then
545 * show the error later on.
547 void option_error(void)
550 strcpy(err_buf, "Error parsing options: "
551 "option may be supported on client but not on server?\n");
554 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
559 * Tweak the option table to disable all options that the rsyncd.conf
560 * file has told us to refuse.
562 static void set_refuse_options(char *bp)
564 struct poptOption *op;
565 char *cp, shortname[2];
566 int is_wild, found_match;
571 while (*bp == ' ') bp++;
574 if ((cp = strchr(bp, ' ')) != NULL)
576 is_wild = strpbrk(bp, "*?[") != NULL;
578 for (op = long_options; ; op++) {
579 *shortname = op->shortName;
580 if (!op->longName && !*shortname)
582 if ((op->longName && wildmatch(bp, op->longName))
583 || (*shortname && wildmatch(bp, shortname))) {
584 if (op->argInfo == POPT_ARG_VAL)
585 op->argInfo = POPT_ARG_NONE;
586 op->val = (op - long_options) + OPT_REFUSED_BASE;
588 /* These flags are set to let us easily check
589 * an implied option later in the code. */
590 switch (*shortname) {
591 case 'r': case 'd': case 'l': case 'p':
592 case 't': case 'g': case 'o': case 'D':
593 refused_archive_part = op->val;
596 if (wildmatch("delete", op->longName))
597 refused_delete = op->val;
598 else if (wildmatch("delete-before", op->longName))
599 refused_delete_before = op->val;
600 else if (wildmatch("partial", op->longName))
601 refused_partial = op->val;
602 else if (wildmatch("progress", op->longName))
603 refused_progress = op->val;
604 else if (wildmatch("inplace", op->longName))
605 refused_inplace = op->val;
613 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
622 for (op = long_options; ; op++) {
623 *shortname = op->shortName;
624 if (!op->longName && !*shortname)
626 if (op->val == OPT_DAEMON) {
627 if (op->argInfo == POPT_ARG_VAL)
628 op->argInfo = POPT_ARG_NONE;
629 op->val = (op - long_options) + OPT_REFUSED_BASE;
635 static int count_args(const char **argv)
640 while (argv[i] != NULL)
648 static OFF_T parse_size_arg(const char *size_arg)
653 for (arg = size_arg; isdigit(*(uchar*)arg); arg++) {}
655 for (arg++; isdigit(*(uchar*)arg); arg++) {}
658 size = atof(size_arg) * 1024;
661 size = atof(size_arg) * 1024*1024;
664 size = atof(size_arg) * 1024*1024*1024;
667 size = atof(size_arg);
677 static void create_refuse_error(int which)
679 /* The "which" value is the index + OPT_REFUSED_BASE. */
680 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
681 int n = snprintf(err_buf, sizeof err_buf,
682 "The server is configured to refuse --%s\n",
685 snprintf(err_buf + n, sizeof err_buf - n,
686 " (-%c)\n", op->shortName);
692 * Process command line arguments. Called on both local and remote.
694 * @retval 1 if all options are OK; with globals set to appropriate
697 * @retval 0 on error, with err_buf containing an explanation
699 int parse_arguments(int *argc, const char ***argv, int frommain)
702 char *ref = lp_refuse_options(module_id);
707 set_refuse_options(ref);
709 /* TODO: Call poptReadDefaultConfig; handle errors. */
711 /* The context leaks in case of an error, but if there's a
712 * problem we always exit anyhow. */
713 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
714 poptReadDefaultConfig(pc, 0);
716 while ((opt = poptGetNextOpt(pc)) != -1) {
717 /* most options are handled automatically by popt;
718 * only special cases are returned and listed here. */
722 print_rsync_version(FINFO);
727 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
731 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
732 long_daemon_options, 0);
733 while ((opt = poptGetNextOpt(pc)) != -1) {
745 "rsync: %s: %s (in daemon mode)\n",
746 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
752 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
755 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
756 exit_cleanup(RERR_SYNTAX);
758 *argv = poptGetArgs(pc);
759 *argc = count_args(*argv);
765 case OPT_MODIFY_WINDOW:
766 /* The value has already been set by popt, but
767 * we need to remember that we're using a
768 * non-default setting. */
769 modify_window_set = 1;
773 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
777 parse_rule(&filter_list, poptGetOptArg(pc),
778 0, XFLG_OLD_PREFIXES);
782 parse_rule(&filter_list, poptGetOptArg(pc),
783 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
786 case OPT_EXCLUDE_FROM:
787 case OPT_INCLUDE_FROM:
788 arg = poptGetOptArg(pc);
790 arg = sanitize_path(NULL, arg, NULL, 0);
791 if (server_filter_list.head) {
792 char *cp = (char *)arg;
794 goto options_rejected;
796 if (check_filter(&server_filter_list, cp, 0) < 0)
797 goto options_rejected;
799 parse_filter_file(&filter_list, arg,
800 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
801 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
805 if (refused_archive_part) {
806 create_refuse_error(refused_archive_part);
809 if (!recurse) /* preserve recurse == 2 */
818 preserve_devices = 1;
837 exit_cleanup(RERR_SYNTAX);
843 switch (++F_option_cnt) {
845 parse_rule(&filter_list,": /.rsync-filter",0,0);
848 parse_rule(&filter_list,"- .rsync-filter",0,0);
854 if (refused_partial || refused_progress) {
855 create_refuse_error(refused_partial
856 ? refused_partial : refused_progress);
863 case OPT_WRITE_BATCH:
864 /* batch_name is already set */
868 case OPT_ONLY_WRITE_BATCH:
869 /* batch_name is already set */
874 /* batch_name is already set */
879 if ((max_size = parse_size_arg(max_size_arg)) <= 0) {
880 snprintf(err_buf, sizeof err_buf,
881 "--max-size value is invalid: %s\n",
890 dest_option = "--link-dest";
893 snprintf(err_buf, sizeof err_buf,
894 "hard links are not supported on this %s\n",
895 am_server ? "server" : "client");
901 dest_option = "--copy-dest";
904 case OPT_COMPARE_DEST:
906 dest_option = "--compare-dest";
908 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
909 snprintf(err_buf, sizeof err_buf,
910 "ERROR: at most %d %s args may be specified\n",
911 MAX_BASIS_DIRS, dest_option);
914 arg = poptGetOptArg(pc);
916 arg = sanitize_path(NULL, arg, NULL, 0);
917 basis_dir[basis_dir_cnt++] = (char *)arg;
921 /* A large opt value means that set_refuse_options()
922 * turned this option off. */
923 if (opt >= OPT_REFUSED_BASE) {
924 create_refuse_error(opt);
927 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
928 am_server ? "on remote machine: " : "",
929 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
935 #ifndef SUPPORT_LINKS
936 if (preserve_links && !am_sender) {
937 snprintf(err_buf, sizeof err_buf,
938 "symlinks are not supported on this %s\n",
939 am_server ? "server" : "client");
944 #ifndef SUPPORT_HARD_LINKS
945 if (preserve_hard_links) {
946 snprintf(err_buf, sizeof err_buf,
947 "hard links are not supported on this %s\n",
948 am_server ? "server" : "client");
953 if (write_batch && read_batch) {
954 snprintf(err_buf, sizeof err_buf,
955 "--write-batch and --read-batch can not be used together\n");
958 if (write_batch > 0 || read_batch) {
961 "ignoring --%s-batch option sent to server\n",
962 write_batch ? "write" : "read");
963 /* We don't actually exit_cleanup(), so that we can
964 * still service older version clients that still send
965 * batch args to server. */
966 read_batch = write_batch = 0;
971 if (read_batch && files_from) {
972 snprintf(err_buf, sizeof err_buf,
973 "--read-batch cannot be used with --files-from\n");
976 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
977 snprintf(err_buf, sizeof err_buf,
978 "the batch-file name must be %d characters or less.\n",
983 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
984 snprintf(err_buf, sizeof err_buf,
985 "the --temp-dir path is WAY too long.\n");
989 if (compare_dest + copy_dest + link_dest > 1) {
990 snprintf(err_buf, sizeof err_buf,
991 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
996 if (recurse == 1) /* preserve recurse == 2 */
1003 xfer_dirs = recurse || list_only;
1005 if (relative_paths < 0)
1006 relative_paths = files_from? 1 : 0;
1007 if (!relative_paths)
1010 if (!!delete_before + delete_during + delete_after > 1) {
1011 snprintf(err_buf, sizeof err_buf,
1012 "You may not combine multiple --delete-WHEN options.\n");
1016 delete_before = delete_during = delete_after = 0;
1017 delete_mode = delete_excluded = 0;
1018 } else if (delete_before || delete_during || delete_after)
1020 else if (delete_mode || delete_excluded) {
1021 if (refused_delete_before) {
1022 create_refuse_error(refused_delete_before);
1025 delete_mode = delete_before = 1;
1028 if (delete_mode && refused_delete) {
1029 create_refuse_error(refused_delete);
1033 if (remove_sent_files) {
1034 /* We only want to infer this refusal of --remove-sent-files
1035 * via the refusal of "delete", not any of the "delete-FOO"
1037 if (refused_delete && am_sender) {
1038 create_refuse_error(refused_delete);
1041 need_messages_from_generator = 1;
1044 *argv = poptGetArgs(pc);
1045 *argc = count_args(*argv);
1047 if (sanitize_paths) {
1049 for (i = *argc; i-- > 0; )
1050 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
1052 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1054 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
1056 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
1058 if (server_filter_list.head && !am_sender) {
1059 struct filter_list_struct *elp = &server_filter_list;
1063 goto options_rejected;
1064 clean_fname(tmpdir, 1);
1065 if (check_filter(elp, tmpdir, 1) < 0)
1066 goto options_rejected;
1068 if (partial_dir && *partial_dir) {
1069 clean_fname(partial_dir, 1);
1070 if (check_filter(elp, partial_dir, 1) < 0)
1071 goto options_rejected;
1073 for (i = 0; i < basis_dir_cnt; i++) {
1075 goto options_rejected;
1076 clean_fname(basis_dir[i], 1);
1077 if (check_filter(elp, basis_dir[i], 1) < 0)
1078 goto options_rejected;
1082 goto options_rejected;
1083 clean_fname(backup_dir, 1);
1084 if (check_filter(elp, backup_dir, 1) < 0) {
1086 snprintf(err_buf, sizeof err_buf,
1087 "Your options have been rejected by the server.\n");
1094 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1095 backup_suffix_len = strlen(backup_suffix);
1096 if (strchr(backup_suffix, '/') != NULL) {
1097 snprintf(err_buf, sizeof err_buf,
1098 "--suffix cannot contain slashes: %s\n",
1103 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1104 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1105 if (backup_dir_remainder < 32) {
1106 snprintf(err_buf, sizeof err_buf,
1107 "the --backup-dir path is WAY too long.\n");
1110 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1111 backup_dir_buf[backup_dir_len++] = '/';
1112 backup_dir_buf[backup_dir_len] = '\0';
1114 if (verbose > 1 && !am_sender) {
1115 rprintf(FINFO, "backup_dir is %s\n",
1116 safe_fname(backup_dir_buf));
1118 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1119 snprintf(err_buf, sizeof err_buf,
1120 "--suffix cannot be a null string without --backup-dir\n");
1123 if (make_backups && !backup_dir)
1127 if (log_format_has(log_format, 'i'))
1128 log_format_has_i = 1;
1129 if (!log_format_has(log_format, 'b')
1130 && !log_format_has(log_format, 'c'))
1131 log_before_transfer = !am_server;
1132 } else if (itemize_changes) {
1133 log_format = "%i %n%L";
1134 log_format_has_i = 1;
1135 log_before_transfer = !am_server;
1138 if ((do_progress || dry_run) && !verbose && !log_before_transfer
1145 set_io_timeout(io_timeout);
1147 if (verbose && !log_format) {
1148 log_format = "%n%L";
1149 log_before_transfer = !am_server;
1151 if (log_format_has_i || log_format_has(log_format, 'o'))
1152 log_format_has_o_or_i = 1;
1154 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1155 bwlimit = daemon_bwlimit;
1157 bwlimit_writemax = (size_t)bwlimit * 128;
1158 if (bwlimit_writemax < 512)
1159 bwlimit_writemax = 512;
1162 if (sparse_files && inplace) {
1163 /* Note: we don't check for this below, because --update is
1164 * OK with --sparse (as long as redos are handled right). */
1165 snprintf(err_buf, sizeof err_buf,
1166 "--sparse cannot be used with --inplace\n");
1171 if (whole_file > 0) {
1172 snprintf(err_buf, sizeof err_buf,
1173 "--append cannot be used with --whole-file\n");
1176 if (refused_inplace) {
1177 create_refuse_error(refused_inplace);
1183 if (delay_updates && !partial_dir)
1184 partial_dir = partialdir_for_delayupdate;
1187 #ifdef HAVE_FTRUNCATE
1189 snprintf(err_buf, sizeof err_buf,
1190 "--%s cannot be used with --%s\n",
1191 append_mode ? "append" : "inplace",
1192 delay_updates ? "delay-updates" : "partial-dir");
1195 /* --inplace implies --partial for refusal purposes, but we
1196 * clear the keep_partial flag for internal logic purposes. */
1197 if (refused_partial) {
1198 create_refuse_error(refused_partial);
1203 snprintf(err_buf, sizeof err_buf,
1204 "--%s is not supported on this %s\n",
1205 append_mode ? "append" : "inplace",
1206 am_server ? "server" : "client");
1210 if (keep_partial && !partial_dir) {
1211 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1212 partial_dir = strdup(arg);
1216 clean_fname(partial_dir, 1);
1217 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1219 else if (*partial_dir != '/') {
1220 parse_rule(&filter_list, partial_dir,
1221 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
1223 if (!partial_dir && refused_partial) {
1224 create_refuse_error(refused_partial);
1234 if (*argc > 2 || (!am_daemon && *argc == 1)) {
1236 exit_cleanup(RERR_SYNTAX);
1238 if (strcmp(files_from, "-") == 0) {
1241 filesfrom_host = ""; /* reading from socket */
1242 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1244 snprintf(err_buf, sizeof err_buf,
1245 "The --files-from sent to the server cannot specify a host.\n");
1250 if (strcmp(files_from, "-") == 0) {
1251 snprintf(err_buf, sizeof err_buf,
1252 "Invalid --files-from remote filename\n");
1257 files_from = sanitize_path(NULL, files_from, NULL, 0);
1258 if (server_filter_list.head) {
1260 goto options_rejected;
1261 clean_fname(files_from, 1);
1262 if (check_filter(&server_filter_list, files_from, 0) < 0)
1263 goto options_rejected;
1265 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1266 if (filesfrom_fd < 0) {
1267 snprintf(err_buf, sizeof err_buf,
1268 "failed to open files-from file %s: %s\n",
1269 files_from, strerror(errno));
1282 * Construct a filtered list of options to pass through from the
1283 * client to the server.
1285 * This involves setting options that will tell the server how to
1286 * behave, and also filtering out options that are processed only
1289 void server_options(char **args,int *argc)
1291 static char argstr[64];
1297 if (blocking_io == -1)
1300 args[ac++] = "--server";
1302 if (daemon_over_rsh) {
1303 args[ac++] = "--daemon";
1305 /* if we're passing --daemon, we're done */
1310 args[ac++] = "--sender";
1314 for (i = 0; i < verbose; i++)
1317 /* the -q option is intentionally left out */
1322 if (!do_xfers) /* NOT "dry_run"! */
1330 if (keep_dirlinks && am_sender)
1335 /* We don't need to send --no-whole-file, because it's the
1336 * default for remote transfers, and in any case old versions
1337 * of rsync will not understand it. */
1339 if (preserve_hard_links)
1345 if (preserve_devices)
1349 if (omit_dir_times == 2 && am_sender)
1355 if (always_checksum)
1363 if (one_file_system)
1370 /* This is a complete hack - blame Rusty. FIXME!
1371 * This hack is only needed for older rsync versions that
1372 * don't understand the --list-only option. */
1373 if (list_only == 1 && !recurse)
1379 args[ac++] = argstr;
1382 args[ac++] = "--list-only";
1384 /* The server side doesn't use our log-format, but in certain
1385 * circumstances they need to know a little about the option. */
1386 if (log_format && am_sender) {
1387 if (log_format_has_i)
1388 args[ac++] = "--log-format=%i";
1389 else if (log_format_has_o_or_i)
1390 args[ac++] = "--log-format=%o";
1392 args[ac++] = "--log-format=X";
1396 if (asprintf(&arg, "-B%lu", block_size) < 0)
1401 if (max_delete && am_sender) {
1402 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1407 if (max_size && am_sender) {
1408 args[ac++] = "--max-size";
1409 args[ac++] = max_size_arg;
1413 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1419 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1425 args[ac++] = "--backup-dir";
1426 args[ac++] = backup_dir;
1429 /* Only send --suffix if it specifies a non-default value. */
1430 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1431 /* We use the following syntax to avoid weirdness with '~'. */
1432 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1438 if (delete_excluded)
1439 args[ac++] = "--delete-excluded";
1440 else if (delete_before == 1 || delete_after)
1441 args[ac++] = "--delete";
1442 if (delete_before > 1)
1443 args[ac++] = "--delete-before";
1445 args[ac++] = "--delete-during";
1447 args[ac++] = "--delete-after";
1449 args[ac++] = "--force";
1450 if (write_batch < 0)
1451 args[ac++] = "--only-write-batch=X";
1455 args[ac++] = "--size-only";
1457 if (modify_window_set) {
1458 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1463 if (checksum_seed) {
1464 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1469 if (partial_dir && am_sender) {
1470 if (partial_dir != partialdir_for_delayupdate) {
1471 args[ac++] = "--partial-dir";
1472 args[ac++] = partial_dir;
1475 args[ac++] = "--delay-updates";
1476 } else if (keep_partial)
1477 args[ac++] = "--partial";
1480 args[ac++] = "--ignore-errors";
1482 if (copy_unsafe_links)
1483 args[ac++] = "--copy-unsafe-links";
1486 args[ac++] = "--safe-links";
1489 args[ac++] = "--numeric-ids";
1491 if (only_existing && am_sender)
1492 args[ac++] = "--existing";
1494 if (opt_ignore_existing && am_sender)
1495 args[ac++] = "--ignore-existing";
1498 args[ac++] = "--append";
1500 args[ac++] = "--inplace";
1503 args[ac++] = "--temp-dir";
1504 args[ac++] = tmpdir;
1507 if (basis_dir[0] && am_sender) {
1508 /* the server only needs this option if it is not the sender,
1509 * and it may be an older version that doesn't know this
1510 * option, so don't send it if client is the sender.
1513 for (i = 0; i < basis_dir_cnt; i++) {
1514 args[ac++] = dest_option;
1515 args[ac++] = basis_dir[i];
1519 if (files_from && (!am_sender || filesfrom_host)) {
1520 if (filesfrom_host) {
1521 args[ac++] = "--files-from";
1522 args[ac++] = files_from;
1524 args[ac++] = "--from0";
1526 args[ac++] = "--files-from=-";
1527 args[ac++] = "--from0";
1529 if (!relative_paths)
1530 args[ac++] = "--no-relative";
1532 if (relative_paths && !implied_dirs && !am_sender)
1533 args[ac++] = "--no-implied-dirs";
1535 if (fuzzy_basis && am_sender)
1536 args[ac++] = "--fuzzy";
1538 if (remove_sent_files)
1539 args[ac++] = "--remove-sent-files";
1545 out_of_memory("server_options");
1548 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1549 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1550 * memory with the HOST. If a daemon-accessing spec was specified, the value
1551 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1552 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1553 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1554 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1555 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
1560 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1563 s += strlen(URL_PREFIX);
1564 if ((p = strchr(s, '/')) != NULL) {
1568 hostlen = strlen(s);
1571 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1575 *port_ptr = atoi(p+2);
1577 if ((p = strchr(s, ':')) != NULL) {
1579 *port_ptr = atoi(p+1);
1583 *port_ptr = RSYNC_PORT;
1584 *host_ptr = new_array(char, hostlen + 1);
1585 strlcpy(*host_ptr, s, hostlen + 1);
1589 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
1592 not_host = strchr(s, '/') || !strchr(s, ':');
1598 if (!(p = strchr(s, ':')))
1601 not_host = strchr(s, '/') != NULL;
1607 *host_ptr = new_array(char, p - s + 1);
1608 strlcpy(*host_ptr, s, p - s + 1);
1611 if (port_ptr && !*port_ptr)
1612 *port_ptr = RSYNC_PORT;