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 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
376 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
377 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
378 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
379 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
380 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
381 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
382 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
383 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
384 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
385 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
386 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
387 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
388 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
389 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
390 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
391 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
392 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
393 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
394 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
395 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
396 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
397 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
398 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
399 {"devices", 'D', POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
400 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
401 {"no-D", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
402 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
403 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
404 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
405 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
406 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
407 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
408 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
409 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
410 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
411 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
412 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
413 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
414 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
415 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
416 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
417 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
418 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
419 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
420 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
421 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
422 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
423 {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 },
424 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
425 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
426 {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 },
427 {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
428 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
429 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
430 {"remove-sent-files",0, POPT_ARG_NONE, &remove_sent_files, 0, 0, 0 },
431 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
432 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
433 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
434 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
435 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
436 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
437 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
438 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
439 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
440 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
441 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
442 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
443 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
444 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
445 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
446 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
447 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
448 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
449 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
450 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
451 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
452 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
453 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
454 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
455 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
456 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
457 {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 },
458 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
459 {"itemize-changes", 'i', POPT_ARG_NONE, &itemize_changes, 0, 0, 0 },
460 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
461 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
462 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
463 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
464 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
465 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
466 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
467 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
468 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
469 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
470 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
471 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
472 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
473 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
474 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
476 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
477 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
479 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
480 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
481 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
482 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
483 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
484 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
485 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
486 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
487 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
488 /* All the following options switch us into daemon-mode option-parsing. */
489 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
490 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
491 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
492 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
496 static void daemon_usage(enum logcode F)
498 print_rsync_version(F);
500 rprintf(F,"\nUsage: rsync --daemon [OPTION]...\n");
501 rprintf(F," --address=ADDRESS bind to the specified address\n");
502 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
503 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
504 rprintf(F," --no-detach do not detach from the parent\n");
505 rprintf(F," --port=PORT listen on alternate port number\n");
506 rprintf(F," -v, --verbose increase verbosity\n");
508 rprintf(F," -4, --ipv4 prefer IPv4\n");
509 rprintf(F," -6, --ipv6 prefer IPv6\n");
511 rprintf(F," -h, --help show this help screen\n");
513 rprintf(F,"\nIf you were not trying to invoke rsync as a daemon, avoid using any of the\n");
514 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
517 static struct poptOption long_daemon_options[] = {
518 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
519 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
520 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
521 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
522 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
524 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
525 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
527 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
528 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
529 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
530 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
531 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
532 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
533 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
538 static char err_buf[200];
542 * Store the option error message, if any, so that we can log the
543 * connection attempt (which requires parsing the options), and then
544 * show the error later on.
546 void option_error(void)
549 strcpy(err_buf, "Error parsing options: "
550 "option may be supported on client but not on server?\n");
553 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
558 * Tweak the option table to disable all options that the rsyncd.conf
559 * file has told us to refuse.
561 static void set_refuse_options(char *bp)
563 struct poptOption *op;
564 char *cp, shortname[2];
565 int is_wild, found_match;
570 while (*bp == ' ') bp++;
573 if ((cp = strchr(bp, ' ')) != NULL)
575 is_wild = strpbrk(bp, "*?[") != NULL;
577 for (op = long_options; ; op++) {
578 *shortname = op->shortName;
579 if (!op->longName && !*shortname)
581 if ((op->longName && wildmatch(bp, op->longName))
582 || (*shortname && wildmatch(bp, shortname))) {
583 if (op->argInfo == POPT_ARG_VAL)
584 op->argInfo = POPT_ARG_NONE;
585 op->val = (op - long_options) + OPT_REFUSED_BASE;
587 /* These flags are set to let us easily check
588 * an implied option later in the code. */
589 switch (*shortname) {
590 case 'r': case 'd': case 'l': case 'p':
591 case 't': case 'g': case 'o': case 'D':
592 refused_archive_part = op->val;
595 if (wildmatch("delete", op->longName))
596 refused_delete = op->val;
597 else if (wildmatch("delete-before", op->longName))
598 refused_delete_before = op->val;
599 else if (wildmatch("partial", op->longName))
600 refused_partial = op->val;
601 else if (wildmatch("progress", op->longName))
602 refused_progress = op->val;
603 else if (wildmatch("inplace", op->longName))
604 refused_inplace = op->val;
612 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
621 for (op = long_options; ; op++) {
622 *shortname = op->shortName;
623 if (!op->longName && !*shortname)
625 if (op->val == OPT_DAEMON) {
626 if (op->argInfo == POPT_ARG_VAL)
627 op->argInfo = POPT_ARG_NONE;
628 op->val = (op - long_options) + OPT_REFUSED_BASE;
634 static int count_args(const char **argv)
639 while (argv[i] != NULL)
647 static OFF_T parse_size_arg(const char *size_arg)
652 for (arg = size_arg; isdigit(*(uchar*)arg); arg++) {}
654 for (arg++; isdigit(*(uchar*)arg); arg++) {}
657 size = atof(size_arg) * 1024;
660 size = atof(size_arg) * 1024*1024;
663 size = atof(size_arg) * 1024*1024*1024;
666 size = atof(size_arg);
676 static void create_refuse_error(int which)
678 /* The "which" value is the index + OPT_REFUSED_BASE. */
679 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
680 int n = snprintf(err_buf, sizeof err_buf,
681 "The server is configured to refuse --%s\n",
684 snprintf(err_buf + n, sizeof err_buf - n,
685 " (-%c)\n", op->shortName);
691 * Process command line arguments. Called on both local and remote.
693 * @retval 1 if all options are OK; with globals set to appropriate
696 * @retval 0 on error, with err_buf containing an explanation
698 int parse_arguments(int *argc, const char ***argv, int frommain)
701 char *ref = lp_refuse_options(module_id);
706 set_refuse_options(ref);
708 /* TODO: Call poptReadDefaultConfig; handle errors. */
710 /* The context leaks in case of an error, but if there's a
711 * problem we always exit anyhow. */
712 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
713 poptReadDefaultConfig(pc, 0);
715 while ((opt = poptGetNextOpt(pc)) != -1) {
716 /* most options are handled automatically by popt;
717 * only special cases are returned and listed here. */
721 print_rsync_version(FINFO);
726 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
730 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
731 long_daemon_options, 0);
732 while ((opt = poptGetNextOpt(pc)) != -1) {
744 "rsync: %s: %s (in daemon mode)\n",
745 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
751 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
754 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
755 exit_cleanup(RERR_SYNTAX);
757 *argv = poptGetArgs(pc);
758 *argc = count_args(*argv);
764 case OPT_MODIFY_WINDOW:
765 /* The value has already been set by popt, but
766 * we need to remember that we're using a
767 * non-default setting. */
768 modify_window_set = 1;
772 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
776 parse_rule(&filter_list, poptGetOptArg(pc),
777 0, XFLG_OLD_PREFIXES);
781 parse_rule(&filter_list, poptGetOptArg(pc),
782 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
785 case OPT_EXCLUDE_FROM:
786 case OPT_INCLUDE_FROM:
787 arg = poptGetOptArg(pc);
789 arg = sanitize_path(NULL, arg, NULL, 0);
790 if (server_filter_list.head) {
791 char *cp = (char *)arg;
793 goto options_rejected;
795 if (check_filter(&server_filter_list, cp, 0) < 0)
796 goto options_rejected;
798 parse_filter_file(&filter_list, arg,
799 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
800 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
804 if (refused_archive_part) {
805 create_refuse_error(refused_archive_part);
808 if (!recurse) /* preserve recurse == 2 */
817 preserve_devices = 1;
836 exit_cleanup(RERR_SYNTAX);
842 switch (++F_option_cnt) {
844 parse_rule(&filter_list,": /.rsync-filter",0,0);
847 parse_rule(&filter_list,"- .rsync-filter",0,0);
853 if (refused_partial || refused_progress) {
854 create_refuse_error(refused_partial
855 ? refused_partial : refused_progress);
862 case OPT_WRITE_BATCH:
863 /* batch_name is already set */
867 case OPT_ONLY_WRITE_BATCH:
868 /* batch_name is already set */
873 /* batch_name is already set */
878 if ((max_size = parse_size_arg(max_size_arg)) <= 0) {
879 snprintf(err_buf, sizeof err_buf,
880 "--max-size value is invalid: %s\n",
889 dest_option = "--link-dest";
892 snprintf(err_buf, sizeof err_buf,
893 "hard links are not supported on this %s\n",
894 am_server ? "server" : "client");
900 dest_option = "--copy-dest";
903 case OPT_COMPARE_DEST:
905 dest_option = "--compare-dest";
907 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
908 snprintf(err_buf, sizeof err_buf,
909 "ERROR: at most %d %s args may be specified\n",
910 MAX_BASIS_DIRS, dest_option);
913 arg = poptGetOptArg(pc);
915 arg = sanitize_path(NULL, arg, NULL, 0);
916 basis_dir[basis_dir_cnt++] = (char *)arg;
920 /* A large opt value means that set_refuse_options()
921 * turned this option off. */
922 if (opt >= OPT_REFUSED_BASE) {
923 create_refuse_error(opt);
926 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
927 am_server ? "on remote machine: " : "",
928 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
934 #ifndef SUPPORT_LINKS
935 if (preserve_links && !am_sender) {
936 snprintf(err_buf, sizeof err_buf,
937 "symlinks are not supported on this %s\n",
938 am_server ? "server" : "client");
943 #ifndef SUPPORT_HARD_LINKS
944 if (preserve_hard_links) {
945 snprintf(err_buf, sizeof err_buf,
946 "hard links are not supported on this %s\n",
947 am_server ? "server" : "client");
952 if (write_batch && read_batch) {
953 snprintf(err_buf, sizeof err_buf,
954 "--write-batch and --read-batch can not be used together\n");
957 if (write_batch > 0 || read_batch) {
960 "ignoring --%s-batch option sent to server\n",
961 write_batch ? "write" : "read");
962 /* We don't actually exit_cleanup(), so that we can
963 * still service older version clients that still send
964 * batch args to server. */
965 read_batch = write_batch = 0;
970 if (read_batch && files_from) {
971 snprintf(err_buf, sizeof err_buf,
972 "--read-batch cannot be used with --files-from\n");
975 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
976 snprintf(err_buf, sizeof err_buf,
977 "the batch-file name must be %d characters or less.\n",
982 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
983 snprintf(err_buf, sizeof err_buf,
984 "the --temp-dir path is WAY too long.\n");
988 if (compare_dest + copy_dest + link_dest > 1) {
989 snprintf(err_buf, sizeof err_buf,
990 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
995 if (recurse == 1) /* preserve recurse == 2 */
1002 xfer_dirs = recurse || list_only;
1004 if (relative_paths < 0)
1005 relative_paths = files_from? 1 : 0;
1006 if (!relative_paths)
1009 if (!!delete_before + delete_during + delete_after > 1) {
1010 snprintf(err_buf, sizeof err_buf,
1011 "You may not combine multiple --delete-WHEN options.\n");
1015 delete_before = delete_during = delete_after = 0;
1016 delete_mode = delete_excluded = 0;
1017 } else if (delete_before || delete_during || delete_after)
1019 else if (delete_mode || delete_excluded) {
1020 if (refused_delete_before) {
1021 create_refuse_error(refused_delete_before);
1024 delete_mode = delete_before = 1;
1027 if (delete_mode && refused_delete) {
1028 create_refuse_error(refused_delete);
1032 if (remove_sent_files) {
1033 /* We only want to infer this refusal of --remove-sent-files
1034 * via the refusal of "delete", not any of the "delete-FOO"
1036 if (refused_delete && am_sender) {
1037 create_refuse_error(refused_delete);
1040 need_messages_from_generator = 1;
1043 *argv = poptGetArgs(pc);
1044 *argc = count_args(*argv);
1046 if (sanitize_paths) {
1048 for (i = *argc; i-- > 0; )
1049 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
1051 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1053 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
1055 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
1057 if (server_filter_list.head && !am_sender) {
1058 struct filter_list_struct *elp = &server_filter_list;
1062 goto options_rejected;
1063 clean_fname(tmpdir, 1);
1064 if (check_filter(elp, tmpdir, 1) < 0)
1065 goto options_rejected;
1067 if (partial_dir && *partial_dir) {
1068 clean_fname(partial_dir, 1);
1069 if (check_filter(elp, partial_dir, 1) < 0)
1070 goto options_rejected;
1072 for (i = 0; i < basis_dir_cnt; i++) {
1074 goto options_rejected;
1075 clean_fname(basis_dir[i], 1);
1076 if (check_filter(elp, basis_dir[i], 1) < 0)
1077 goto options_rejected;
1081 goto options_rejected;
1082 clean_fname(backup_dir, 1);
1083 if (check_filter(elp, backup_dir, 1) < 0) {
1085 snprintf(err_buf, sizeof err_buf,
1086 "Your options have been rejected by the server.\n");
1093 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1094 backup_suffix_len = strlen(backup_suffix);
1095 if (strchr(backup_suffix, '/') != NULL) {
1096 snprintf(err_buf, sizeof err_buf,
1097 "--suffix cannot contain slashes: %s\n",
1102 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1103 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1104 if (backup_dir_remainder < 32) {
1105 snprintf(err_buf, sizeof err_buf,
1106 "the --backup-dir path is WAY too long.\n");
1109 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1110 backup_dir_buf[backup_dir_len++] = '/';
1111 backup_dir_buf[backup_dir_len] = '\0';
1113 if (verbose > 1 && !am_sender) {
1114 rprintf(FINFO, "backup_dir is %s\n",
1115 safe_fname(backup_dir_buf));
1117 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1118 snprintf(err_buf, sizeof err_buf,
1119 "--suffix cannot be a null string without --backup-dir\n");
1122 if (make_backups && !backup_dir)
1126 if (log_format_has(log_format, 'i'))
1127 log_format_has_i = 1;
1128 if (!log_format_has(log_format, 'b')
1129 && !log_format_has(log_format, 'c'))
1130 log_before_transfer = !am_server;
1131 } else if (itemize_changes) {
1132 log_format = "%i %n%L";
1133 log_format_has_i = 1;
1134 log_before_transfer = !am_server;
1137 if ((do_progress || dry_run) && !verbose && !log_before_transfer
1144 set_io_timeout(io_timeout);
1146 if (verbose && !log_format) {
1147 log_format = "%n%L";
1148 log_before_transfer = !am_server;
1150 if (log_format_has_i || log_format_has(log_format, 'o'))
1151 log_format_has_o_or_i = 1;
1153 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1154 bwlimit = daemon_bwlimit;
1156 bwlimit_writemax = (size_t)bwlimit * 128;
1157 if (bwlimit_writemax < 512)
1158 bwlimit_writemax = 512;
1162 if (whole_file > 0) {
1163 snprintf(err_buf, sizeof err_buf,
1164 "--append cannot be used with --whole-file\n");
1167 if (refused_inplace) {
1168 create_refuse_error(refused_inplace);
1174 if (delay_updates && !partial_dir)
1175 partial_dir = partialdir_for_delayupdate;
1178 #ifdef HAVE_FTRUNCATE
1180 snprintf(err_buf, sizeof err_buf,
1181 "--%s cannot be used with --%s\n",
1182 append_mode ? "append" : "inplace",
1183 delay_updates ? "delay-updates" : "partial-dir");
1186 /* --inplace implies --partial for refusal purposes, but we
1187 * clear the keep_partial flag for internal logic purposes. */
1188 if (refused_partial) {
1189 create_refuse_error(refused_partial);
1194 snprintf(err_buf, sizeof err_buf,
1195 "--%s is not supported on this %s\n",
1196 append_mode ? "append" : "inplace",
1197 am_server ? "server" : "client");
1201 if (keep_partial && !partial_dir) {
1202 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1203 partial_dir = strdup(arg);
1207 clean_fname(partial_dir, 1);
1208 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1210 else if (*partial_dir != '/') {
1211 parse_rule(&filter_list, partial_dir,
1212 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
1214 if (!partial_dir && refused_partial) {
1215 create_refuse_error(refused_partial);
1225 if (*argc > 2 || (!am_daemon && *argc == 1)) {
1227 exit_cleanup(RERR_SYNTAX);
1229 if (strcmp(files_from, "-") == 0) {
1232 filesfrom_host = ""; /* reading from socket */
1233 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1235 snprintf(err_buf, sizeof err_buf,
1236 "The --files-from sent to the server cannot specify a host.\n");
1241 if (strcmp(files_from, "-") == 0) {
1242 snprintf(err_buf, sizeof err_buf,
1243 "Invalid --files-from remote filename\n");
1248 files_from = sanitize_path(NULL, files_from, NULL, 0);
1249 if (server_filter_list.head) {
1251 goto options_rejected;
1252 clean_fname(files_from, 1);
1253 if (check_filter(&server_filter_list, files_from, 0) < 0)
1254 goto options_rejected;
1256 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1257 if (filesfrom_fd < 0) {
1258 snprintf(err_buf, sizeof err_buf,
1259 "failed to open files-from file %s: %s\n",
1260 files_from, strerror(errno));
1273 * Construct a filtered list of options to pass through from the
1274 * client to the server.
1276 * This involves setting options that will tell the server how to
1277 * behave, and also filtering out options that are processed only
1280 void server_options(char **args,int *argc)
1282 static char argstr[64];
1288 if (blocking_io == -1)
1291 args[ac++] = "--server";
1293 if (daemon_over_rsh) {
1294 args[ac++] = "--daemon";
1296 /* if we're passing --daemon, we're done */
1301 args[ac++] = "--sender";
1305 for (i = 0; i < verbose; i++)
1308 /* the -q option is intentionally left out */
1313 if (!do_xfers) /* NOT "dry_run"! */
1321 if (keep_dirlinks && am_sender)
1326 /* We don't need to send --no-whole-file, because it's the
1327 * default for remote transfers, and in any case old versions
1328 * of rsync will not understand it. */
1330 if (preserve_hard_links)
1336 if (preserve_devices)
1340 if (omit_dir_times == 2 && am_sender)
1346 if (always_checksum)
1354 if (one_file_system)
1361 /* This is a complete hack - blame Rusty. FIXME!
1362 * This hack is only needed for older rsync versions that
1363 * don't understand the --list-only option. */
1364 if (list_only == 1 && !recurse)
1370 args[ac++] = argstr;
1373 args[ac++] = "--list-only";
1375 /* The server side doesn't use our log-format, but in certain
1376 * circumstances they need to know a little about the option. */
1377 if (log_format && am_sender) {
1378 if (log_format_has_i)
1379 args[ac++] = "--log-format=%i";
1380 else if (log_format_has_o_or_i)
1381 args[ac++] = "--log-format=%o";
1383 args[ac++] = "--log-format=X";
1387 if (asprintf(&arg, "-B%lu", block_size) < 0)
1392 if (max_delete && am_sender) {
1393 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1398 if (max_size && am_sender) {
1399 args[ac++] = "--max-size";
1400 args[ac++] = max_size_arg;
1404 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1410 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1416 args[ac++] = "--backup-dir";
1417 args[ac++] = backup_dir;
1420 /* Only send --suffix if it specifies a non-default value. */
1421 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1422 /* We use the following syntax to avoid weirdness with '~'. */
1423 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1429 if (delete_excluded)
1430 args[ac++] = "--delete-excluded";
1431 else if (delete_before == 1 || delete_after)
1432 args[ac++] = "--delete";
1433 if (delete_before > 1)
1434 args[ac++] = "--delete-before";
1436 args[ac++] = "--delete-during";
1438 args[ac++] = "--delete-after";
1440 args[ac++] = "--force";
1441 if (write_batch < 0)
1442 args[ac++] = "--only-write-batch=X";
1446 args[ac++] = "--size-only";
1448 if (modify_window_set) {
1449 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1454 if (checksum_seed) {
1455 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1460 if (partial_dir && am_sender) {
1461 if (partial_dir != partialdir_for_delayupdate) {
1462 args[ac++] = "--partial-dir";
1463 args[ac++] = partial_dir;
1466 args[ac++] = "--delay-updates";
1467 } else if (keep_partial)
1468 args[ac++] = "--partial";
1471 args[ac++] = "--ignore-errors";
1473 if (copy_unsafe_links)
1474 args[ac++] = "--copy-unsafe-links";
1477 args[ac++] = "--safe-links";
1480 args[ac++] = "--numeric-ids";
1482 if (only_existing && am_sender)
1483 args[ac++] = "--existing";
1485 if (opt_ignore_existing && am_sender)
1486 args[ac++] = "--ignore-existing";
1489 args[ac++] = "--append";
1491 args[ac++] = "--inplace";
1494 args[ac++] = "--temp-dir";
1495 args[ac++] = tmpdir;
1498 if (basis_dir[0] && am_sender) {
1499 /* the server only needs this option if it is not the sender,
1500 * and it may be an older version that doesn't know this
1501 * option, so don't send it if client is the sender.
1504 for (i = 0; i < basis_dir_cnt; i++) {
1505 args[ac++] = dest_option;
1506 args[ac++] = basis_dir[i];
1510 if (files_from && (!am_sender || filesfrom_host)) {
1511 if (filesfrom_host) {
1512 args[ac++] = "--files-from";
1513 args[ac++] = files_from;
1515 args[ac++] = "--from0";
1517 args[ac++] = "--files-from=-";
1518 args[ac++] = "--from0";
1520 if (!relative_paths)
1521 args[ac++] = "--no-relative";
1523 if (relative_paths && !implied_dirs && !am_sender)
1524 args[ac++] = "--no-implied-dirs";
1526 if (fuzzy_basis && am_sender)
1527 args[ac++] = "--fuzzy";
1529 if (remove_sent_files)
1530 args[ac++] = "--remove-sent-files";
1536 out_of_memory("server_options");
1539 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1540 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1541 * memory with the HOST. If a daemon-accessing spec was specified, the value
1542 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1543 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1544 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1545 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1546 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
1551 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1554 s += strlen(URL_PREFIX);
1555 if ((p = strchr(s, '/')) != NULL) {
1559 hostlen = strlen(s);
1562 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1566 *port_ptr = atoi(p+2);
1568 if ((p = strchr(s, ':')) != NULL) {
1570 *port_ptr = atoi(p+1);
1574 *port_ptr = RSYNC_PORT;
1575 *host_ptr = new_array(char, hostlen + 1);
1576 strlcpy(*host_ptr, s, hostlen + 1);
1580 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
1583 not_host = strchr(s, '/') || !strchr(s, ':');
1589 if (!(p = strchr(s, ':')))
1592 not_host = strchr(s, '/') != NULL;
1598 *host_ptr = new_array(char, p - s + 1);
1599 strlcpy(*host_ptr, s, p - s + 1);
1602 if (port_ptr && !*port_ptr)
1603 *port_ptr = RSYNC_PORT;