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,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
262 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
263 rprintf(F,"\nOptions\n");
264 rprintf(F," -v, --verbose increase verbosity\n");
265 rprintf(F," -q, --quiet suppress non-error messages\n");
266 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
267 rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n");
268 rprintf(F," --no-OPTION turn of an implied OPTION (e.g. --no-D)\n");
269 rprintf(F," -r, --recursive recurse into directories\n");
270 rprintf(F," -R, --relative use relative path names\n");
271 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
272 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
273 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
274 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
275 rprintf(F," -u, --update skip files that are newer on the receiver\n");
276 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
277 rprintf(F," --append append data onto shorter files\n");
278 rprintf(F," -d, --dirs transfer directories without recursing\n");
279 rprintf(F," -l, --links copy symlinks as symlinks\n");
280 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
281 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
282 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
283 rprintf(F," -H, --hard-links preserve hard links\n");
284 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
285 rprintf(F," -p, --perms preserve permissions\n");
286 rprintf(F," -o, --owner preserve owner (root only)\n");
287 rprintf(F," -g, --group preserve group\n");
288 rprintf(F," -D, --devices preserve devices (root only)\n");
289 rprintf(F," -t, --times preserve times\n");
290 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
291 rprintf(F," -S, --sparse handle sparse files efficiently\n");
292 rprintf(F," -n, --dry-run show what would have been transferred\n");
293 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
294 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
295 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
296 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
297 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
298 rprintf(F," --existing only update files that already exist on receiver\n");
299 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
300 rprintf(F," --remove-sent-files sent files/symlinks are removed from sending side\n");
301 rprintf(F," --del an alias for --delete-during\n");
302 rprintf(F," --delete delete files that don't exist on the sending side\n");
303 rprintf(F," --delete-before receiver deletes before transfer (default)\n");
304 rprintf(F," --delete-during receiver deletes during transfer, not before\n");
305 rprintf(F," --delete-after receiver deletes after transfer, not before\n");
306 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
307 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
308 rprintf(F," --force force deletion of directories even if not empty\n");
309 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
310 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
311 rprintf(F," --partial keep partially transferred files\n");
312 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
313 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
314 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
315 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
316 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
317 rprintf(F," --size-only skip files that match in size\n");
318 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
319 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
320 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
321 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
322 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
323 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
324 rprintf(F," -z, --compress compress file data during the transfer\n");
325 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
326 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
327 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
328 rprintf(F," repeated: --filter='- .rsync-filter'\n");
329 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
330 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
331 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
332 rprintf(F," --include-from=FILE read include patterns from FILE\n");
333 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
334 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
335 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
336 rprintf(F," --port=PORT specify double-colon alternate port number\n");
337 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
338 rprintf(F," --stats give some file-transfer stats\n");
339 rprintf(F," --progress show progress during transfer\n");
340 rprintf(F," -P same as --partial --progress\n");
341 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
342 rprintf(F," --log-format=FORMAT output filenames using the specified format\n");
343 rprintf(F," --password-file=FILE read password from FILE\n");
344 rprintf(F," --list-only list the files instead of copying them\n");
345 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
346 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
347 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
348 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
349 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
351 rprintf(F," -4, --ipv4 prefer IPv4\n");
352 rprintf(F," -6, --ipv6 prefer IPv6\n");
354 rprintf(F," --version print version number\n");
355 rprintf(F," -h, --help show this help screen\n");
357 rprintf(F,"\nUse \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
358 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
359 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
362 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
363 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST,
364 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
365 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
366 OPT_REFUSED_BASE = 9000};
368 static struct poptOption long_options[] = {
369 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
370 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
371 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
372 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
373 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
374 {"no-v", 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 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
533 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
534 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
535 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
536 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
541 static char err_buf[200];
545 * Store the option error message, if any, so that we can log the
546 * connection attempt (which requires parsing the options), and then
547 * show the error later on.
549 void option_error(void)
552 strcpy(err_buf, "Error parsing options: "
553 "option may be supported on client but not on server?\n");
556 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
561 * Tweak the option table to disable all options that the rsyncd.conf
562 * file has told us to refuse.
564 static void set_refuse_options(char *bp)
566 struct poptOption *op;
567 char *cp, shortname[2];
568 int is_wild, found_match;
573 while (*bp == ' ') bp++;
576 if ((cp = strchr(bp, ' ')) != NULL)
578 is_wild = strpbrk(bp, "*?[") != NULL;
580 for (op = long_options; ; op++) {
581 *shortname = op->shortName;
582 if (!op->longName && !*shortname)
584 if ((op->longName && wildmatch(bp, op->longName))
585 || (*shortname && wildmatch(bp, shortname))) {
586 if (op->argInfo == POPT_ARG_VAL)
587 op->argInfo = POPT_ARG_NONE;
588 op->val = (op - long_options) + OPT_REFUSED_BASE;
590 /* These flags are set to let us easily check
591 * an implied option later in the code. */
592 switch (*shortname) {
593 case 'r': case 'd': case 'l': case 'p':
594 case 't': case 'g': case 'o': case 'D':
595 refused_archive_part = op->val;
598 if (wildmatch("delete", op->longName))
599 refused_delete = op->val;
600 else if (wildmatch("delete-before", op->longName))
601 refused_delete_before = op->val;
602 else if (wildmatch("partial", op->longName))
603 refused_partial = op->val;
604 else if (wildmatch("progress", op->longName))
605 refused_progress = op->val;
606 else if (wildmatch("inplace", op->longName))
607 refused_inplace = op->val;
615 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
624 for (op = long_options; ; op++) {
625 *shortname = op->shortName;
626 if (!op->longName && !*shortname)
628 if (op->val == OPT_DAEMON) {
629 if (op->argInfo == POPT_ARG_VAL)
630 op->argInfo = POPT_ARG_NONE;
631 op->val = (op - long_options) + OPT_REFUSED_BASE;
637 static int count_args(const char **argv)
642 while (argv[i] != NULL)
650 static OFF_T parse_size_arg(const char *size_arg)
655 for (arg = size_arg; isdigit(*(uchar*)arg); arg++) {}
657 for (arg++; isdigit(*(uchar*)arg); arg++) {}
660 size = atof(size_arg) * 1024;
663 size = atof(size_arg) * 1024*1024;
666 size = atof(size_arg) * 1024*1024*1024;
669 size = atof(size_arg);
679 static void create_refuse_error(int which)
681 /* The "which" value is the index + OPT_REFUSED_BASE. */
682 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
683 int n = snprintf(err_buf, sizeof err_buf,
684 "The server is configured to refuse --%s\n",
687 snprintf(err_buf + n, sizeof err_buf - n,
688 " (-%c)\n", op->shortName);
694 * Process command line arguments. Called on both local and remote.
696 * @retval 1 if all options are OK; with globals set to appropriate
699 * @retval 0 on error, with err_buf containing an explanation
701 int parse_arguments(int *argc, const char ***argv, int frommain)
704 char *ref = lp_refuse_options(module_id);
709 set_refuse_options(ref);
711 /* TODO: Call poptReadDefaultConfig; handle errors. */
713 /* The context leaks in case of an error, but if there's a
714 * problem we always exit anyhow. */
715 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
716 poptReadDefaultConfig(pc, 0);
718 while ((opt = poptGetNextOpt(pc)) != -1) {
719 /* most options are handled automatically by popt;
720 * only special cases are returned and listed here. */
724 print_rsync_version(FINFO);
729 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
733 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
734 long_daemon_options, 0);
735 while ((opt = poptGetNextOpt(pc)) != -1) {
747 "rsync: %s: %s (in daemon mode)\n",
748 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
754 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
755 snprintf(err_buf, sizeof err_buf,
756 "the --temp-dir path is WAY too long.\n");
761 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
764 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
765 exit_cleanup(RERR_SYNTAX);
768 *argv = poptGetArgs(pc);
769 *argc = count_args(*argv);
775 case OPT_MODIFY_WINDOW:
776 /* The value has already been set by popt, but
777 * we need to remember that we're using a
778 * non-default setting. */
779 modify_window_set = 1;
783 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
787 parse_rule(&filter_list, poptGetOptArg(pc),
788 0, XFLG_OLD_PREFIXES);
792 parse_rule(&filter_list, poptGetOptArg(pc),
793 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
796 case OPT_EXCLUDE_FROM:
797 case OPT_INCLUDE_FROM:
798 arg = poptGetOptArg(pc);
800 arg = sanitize_path(NULL, arg, NULL, 0);
801 if (server_filter_list.head) {
802 char *cp = (char *)arg;
804 goto options_rejected;
806 if (check_filter(&server_filter_list, cp, 0) < 0)
807 goto options_rejected;
809 parse_filter_file(&filter_list, arg,
810 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
811 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
815 if (refused_archive_part) {
816 create_refuse_error(refused_archive_part);
819 if (!recurse) /* preserve recurse == 2 */
828 preserve_devices = 1;
847 exit_cleanup(RERR_SYNTAX);
853 switch (++F_option_cnt) {
855 parse_rule(&filter_list,": /.rsync-filter",0,0);
858 parse_rule(&filter_list,"- .rsync-filter",0,0);
864 if (refused_partial || refused_progress) {
865 create_refuse_error(refused_partial
866 ? refused_partial : refused_progress);
873 case OPT_WRITE_BATCH:
874 /* batch_name is already set */
878 case OPT_ONLY_WRITE_BATCH:
879 /* batch_name is already set */
884 /* batch_name is already set */
889 if ((max_size = parse_size_arg(max_size_arg)) <= 0) {
890 snprintf(err_buf, sizeof err_buf,
891 "--max-size value is invalid: %s\n",
900 dest_option = "--link-dest";
903 snprintf(err_buf, sizeof err_buf,
904 "hard links are not supported on this %s\n",
905 am_server ? "server" : "client");
911 dest_option = "--copy-dest";
914 case OPT_COMPARE_DEST:
916 dest_option = "--compare-dest";
918 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
919 snprintf(err_buf, sizeof err_buf,
920 "ERROR: at most %d %s args may be specified\n",
921 MAX_BASIS_DIRS, dest_option);
924 arg = poptGetOptArg(pc);
926 arg = sanitize_path(NULL, arg, NULL, 0);
927 basis_dir[basis_dir_cnt++] = (char *)arg;
931 /* A large opt value means that set_refuse_options()
932 * turned this option off. */
933 if (opt >= OPT_REFUSED_BASE) {
934 create_refuse_error(opt);
937 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
938 am_server ? "on remote machine: " : "",
939 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
945 #ifndef SUPPORT_LINKS
946 if (preserve_links && !am_sender) {
947 snprintf(err_buf, sizeof err_buf,
948 "symlinks are not supported on this %s\n",
949 am_server ? "server" : "client");
954 #ifndef SUPPORT_HARD_LINKS
955 if (preserve_hard_links) {
956 snprintf(err_buf, sizeof err_buf,
957 "hard links are not supported on this %s\n",
958 am_server ? "server" : "client");
963 if (write_batch && read_batch) {
964 snprintf(err_buf, sizeof err_buf,
965 "--write-batch and --read-batch can not be used together\n");
968 if (write_batch > 0 || read_batch) {
971 "ignoring --%s-batch option sent to server\n",
972 write_batch ? "write" : "read");
973 /* We don't actually exit_cleanup(), so that we can
974 * still service older version clients that still send
975 * batch args to server. */
976 read_batch = write_batch = 0;
981 if (read_batch && files_from) {
982 snprintf(err_buf, sizeof err_buf,
983 "--read-batch cannot be used with --files-from\n");
986 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
987 snprintf(err_buf, sizeof err_buf,
988 "the batch-file name must be %d characters or less.\n",
993 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
994 snprintf(err_buf, sizeof err_buf,
995 "the --temp-dir path is WAY too long.\n");
999 if (compare_dest + copy_dest + link_dest > 1) {
1000 snprintf(err_buf, sizeof err_buf,
1001 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
1006 if (recurse == 1) /* preserve recurse == 2 */
1013 xfer_dirs = recurse || list_only;
1015 if (relative_paths < 0)
1016 relative_paths = files_from? 1 : 0;
1017 if (!relative_paths)
1020 if (!!delete_before + delete_during + delete_after > 1) {
1021 snprintf(err_buf, sizeof err_buf,
1022 "You may not combine multiple --delete-WHEN options.\n");
1026 delete_before = delete_during = delete_after = 0;
1027 delete_mode = delete_excluded = 0;
1028 } else if (delete_before || delete_during || delete_after)
1030 else if (delete_mode || delete_excluded) {
1031 if (refused_delete_before) {
1032 create_refuse_error(refused_delete_before);
1035 delete_mode = delete_before = 1;
1038 if (delete_mode && refused_delete) {
1039 create_refuse_error(refused_delete);
1043 if (remove_sent_files) {
1044 /* We only want to infer this refusal of --remove-sent-files
1045 * via the refusal of "delete", not any of the "delete-FOO"
1047 if (refused_delete && am_sender) {
1048 create_refuse_error(refused_delete);
1051 need_messages_from_generator = 1;
1054 *argv = poptGetArgs(pc);
1055 *argc = count_args(*argv);
1057 if (sanitize_paths) {
1059 for (i = *argc; i-- > 0; )
1060 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
1062 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1064 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
1066 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
1068 if (server_filter_list.head && !am_sender) {
1069 struct filter_list_struct *elp = &server_filter_list;
1073 goto options_rejected;
1074 clean_fname(tmpdir, 1);
1075 if (check_filter(elp, tmpdir, 1) < 0)
1076 goto options_rejected;
1078 if (partial_dir && *partial_dir) {
1079 clean_fname(partial_dir, 1);
1080 if (check_filter(elp, partial_dir, 1) < 0)
1081 goto options_rejected;
1083 for (i = 0; i < basis_dir_cnt; i++) {
1085 goto options_rejected;
1086 clean_fname(basis_dir[i], 1);
1087 if (check_filter(elp, basis_dir[i], 1) < 0)
1088 goto options_rejected;
1092 goto options_rejected;
1093 clean_fname(backup_dir, 1);
1094 if (check_filter(elp, backup_dir, 1) < 0) {
1096 snprintf(err_buf, sizeof err_buf,
1097 "Your options have been rejected by the server.\n");
1104 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1105 backup_suffix_len = strlen(backup_suffix);
1106 if (strchr(backup_suffix, '/') != NULL) {
1107 snprintf(err_buf, sizeof err_buf,
1108 "--suffix cannot contain slashes: %s\n",
1113 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1114 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1115 if (backup_dir_remainder < 32) {
1116 snprintf(err_buf, sizeof err_buf,
1117 "the --backup-dir path is WAY too long.\n");
1120 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1121 backup_dir_buf[backup_dir_len++] = '/';
1122 backup_dir_buf[backup_dir_len] = '\0';
1124 if (verbose > 1 && !am_sender) {
1125 rprintf(FINFO, "backup_dir is %s\n",
1126 safe_fname(backup_dir_buf));
1128 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1129 snprintf(err_buf, sizeof err_buf,
1130 "--suffix cannot be a null string without --backup-dir\n");
1133 if (make_backups && !backup_dir)
1137 if (log_format_has(log_format, 'i'))
1138 log_format_has_i = 1;
1139 if (!log_format_has(log_format, 'b')
1140 && !log_format_has(log_format, 'c'))
1141 log_before_transfer = !am_server;
1142 } else if (itemize_changes) {
1143 log_format = "%i %n%L";
1144 log_format_has_i = 1;
1145 log_before_transfer = !am_server;
1148 if ((do_progress || dry_run) && !verbose && !log_before_transfer
1155 set_io_timeout(io_timeout);
1157 if (verbose && !log_format) {
1158 log_format = "%n%L";
1159 log_before_transfer = !am_server;
1161 if (log_format_has_i || log_format_has(log_format, 'o'))
1162 log_format_has_o_or_i = 1;
1164 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1165 bwlimit = daemon_bwlimit;
1167 bwlimit_writemax = (size_t)bwlimit * 128;
1168 if (bwlimit_writemax < 512)
1169 bwlimit_writemax = 512;
1172 if (sparse_files && inplace) {
1173 /* Note: we don't check for this below, because --append is
1174 * OK with --sparse (as long as redos are handled right). */
1175 snprintf(err_buf, sizeof err_buf,
1176 "--sparse cannot be used with --inplace\n");
1181 if (whole_file > 0) {
1182 snprintf(err_buf, sizeof err_buf,
1183 "--append cannot be used with --whole-file\n");
1186 if (refused_inplace) {
1187 create_refuse_error(refused_inplace);
1193 if (delay_updates && !partial_dir)
1194 partial_dir = partialdir_for_delayupdate;
1197 #ifdef HAVE_FTRUNCATE
1199 snprintf(err_buf, sizeof err_buf,
1200 "--%s cannot be used with --%s\n",
1201 append_mode ? "append" : "inplace",
1202 delay_updates ? "delay-updates" : "partial-dir");
1205 /* --inplace implies --partial for refusal purposes, but we
1206 * clear the keep_partial flag for internal logic purposes. */
1207 if (refused_partial) {
1208 create_refuse_error(refused_partial);
1213 snprintf(err_buf, sizeof err_buf,
1214 "--%s is not supported on this %s\n",
1215 append_mode ? "append" : "inplace",
1216 am_server ? "server" : "client");
1220 if (keep_partial && !partial_dir) {
1221 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1222 partial_dir = strdup(arg);
1226 clean_fname(partial_dir, 1);
1227 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1229 else if (*partial_dir != '/') {
1230 parse_rule(&filter_list, partial_dir,
1231 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
1233 if (!partial_dir && refused_partial) {
1234 create_refuse_error(refused_partial);
1244 if (*argc > 2 || (!am_daemon && *argc == 1)) {
1246 exit_cleanup(RERR_SYNTAX);
1248 if (strcmp(files_from, "-") == 0) {
1251 filesfrom_host = ""; /* reading from socket */
1252 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1254 snprintf(err_buf, sizeof err_buf,
1255 "The --files-from sent to the server cannot specify a host.\n");
1260 if (strcmp(files_from, "-") == 0) {
1261 snprintf(err_buf, sizeof err_buf,
1262 "Invalid --files-from remote filename\n");
1267 files_from = sanitize_path(NULL, files_from, NULL, 0);
1268 if (server_filter_list.head) {
1270 goto options_rejected;
1271 clean_fname(files_from, 1);
1272 if (check_filter(&server_filter_list, files_from, 0) < 0)
1273 goto options_rejected;
1275 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1276 if (filesfrom_fd < 0) {
1277 snprintf(err_buf, sizeof err_buf,
1278 "failed to open files-from file %s: %s\n",
1279 files_from, strerror(errno));
1292 * Construct a filtered list of options to pass through from the
1293 * client to the server.
1295 * This involves setting options that will tell the server how to
1296 * behave, and also filtering out options that are processed only
1299 void server_options(char **args,int *argc)
1301 static char argstr[64];
1307 if (blocking_io == -1)
1310 args[ac++] = "--server";
1312 if (daemon_over_rsh) {
1313 args[ac++] = "--daemon";
1315 /* if we're passing --daemon, we're done */
1320 args[ac++] = "--sender";
1324 for (i = 0; i < verbose; i++)
1327 /* the -q option is intentionally left out */
1332 if (!do_xfers) /* NOT "dry_run"! */
1340 if (keep_dirlinks && am_sender)
1345 /* We don't need to send --no-whole-file, because it's the
1346 * default for remote transfers, and in any case old versions
1347 * of rsync will not understand it. */
1349 if (preserve_hard_links)
1355 if (preserve_devices)
1359 if (omit_dir_times == 2 && am_sender)
1365 if (always_checksum)
1373 if (one_file_system)
1380 /* This is a complete hack - blame Rusty. FIXME!
1381 * This hack is only needed for older rsync versions that
1382 * don't understand the --list-only option. */
1383 if (list_only == 1 && !recurse)
1389 args[ac++] = argstr;
1392 args[ac++] = "--list-only";
1394 /* The server side doesn't use our log-format, but in certain
1395 * circumstances they need to know a little about the option. */
1396 if (log_format && am_sender) {
1397 if (log_format_has_i)
1398 args[ac++] = "--log-format=%i";
1399 else if (log_format_has_o_or_i)
1400 args[ac++] = "--log-format=%o";
1402 args[ac++] = "--log-format=X";
1406 if (asprintf(&arg, "-B%lu", block_size) < 0)
1411 if (max_delete && am_sender) {
1412 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1417 if (max_size && am_sender) {
1418 args[ac++] = "--max-size";
1419 args[ac++] = max_size_arg;
1423 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1429 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1435 args[ac++] = "--backup-dir";
1436 args[ac++] = backup_dir;
1439 /* Only send --suffix if it specifies a non-default value. */
1440 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1441 /* We use the following syntax to avoid weirdness with '~'. */
1442 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1448 if (delete_excluded)
1449 args[ac++] = "--delete-excluded";
1450 else if (delete_before == 1 || delete_after)
1451 args[ac++] = "--delete";
1452 if (delete_before > 1)
1453 args[ac++] = "--delete-before";
1455 args[ac++] = "--delete-during";
1457 args[ac++] = "--delete-after";
1459 args[ac++] = "--force";
1460 if (write_batch < 0)
1461 args[ac++] = "--only-write-batch=X";
1465 args[ac++] = "--size-only";
1467 if (modify_window_set) {
1468 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1473 if (checksum_seed) {
1474 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1479 if (partial_dir && am_sender) {
1480 if (partial_dir != partialdir_for_delayupdate) {
1481 args[ac++] = "--partial-dir";
1482 args[ac++] = partial_dir;
1485 args[ac++] = "--delay-updates";
1486 } else if (keep_partial)
1487 args[ac++] = "--partial";
1490 args[ac++] = "--ignore-errors";
1492 if (copy_unsafe_links)
1493 args[ac++] = "--copy-unsafe-links";
1496 args[ac++] = "--safe-links";
1499 args[ac++] = "--numeric-ids";
1501 if (only_existing && am_sender)
1502 args[ac++] = "--existing";
1504 if (opt_ignore_existing && am_sender)
1505 args[ac++] = "--ignore-existing";
1508 args[ac++] = "--append";
1510 args[ac++] = "--inplace";
1513 args[ac++] = "--temp-dir";
1514 args[ac++] = tmpdir;
1517 if (basis_dir[0] && am_sender) {
1518 /* the server only needs this option if it is not the sender,
1519 * and it may be an older version that doesn't know this
1520 * option, so don't send it if client is the sender.
1523 for (i = 0; i < basis_dir_cnt; i++) {
1524 args[ac++] = dest_option;
1525 args[ac++] = basis_dir[i];
1529 if (files_from && (!am_sender || filesfrom_host)) {
1530 if (filesfrom_host) {
1531 args[ac++] = "--files-from";
1532 args[ac++] = files_from;
1534 args[ac++] = "--from0";
1536 args[ac++] = "--files-from=-";
1537 args[ac++] = "--from0";
1539 if (!relative_paths)
1540 args[ac++] = "--no-relative";
1542 if (relative_paths && !implied_dirs && !am_sender)
1543 args[ac++] = "--no-implied-dirs";
1545 if (fuzzy_basis && am_sender)
1546 args[ac++] = "--fuzzy";
1548 if (remove_sent_files)
1549 args[ac++] = "--remove-sent-files";
1555 out_of_memory("server_options");
1558 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1559 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1560 * memory with the HOST. If a daemon-accessing spec was specified, the value
1561 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1562 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1563 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1564 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1565 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
1570 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1573 s += strlen(URL_PREFIX);
1574 if ((p = strchr(s, '/')) != NULL) {
1578 hostlen = strlen(s);
1581 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1585 *port_ptr = atoi(p+2);
1587 if ((p = strchr(s, ':')) != NULL) {
1589 *port_ptr = atoi(p+1);
1593 *port_ptr = RSYNC_PORT;
1594 *host_ptr = new_array(char, hostlen + 1);
1595 strlcpy(*host_ptr, s, hostlen + 1);
1599 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
1602 not_host = strchr(s, '/') || !strchr(s, ':');
1608 if (!(p = strchr(s, ':')))
1611 not_host = strchr(s, '/') != NULL;
1617 *host_ptr = new_array(char, p - s + 1);
1618 strlcpy(*host_ptr, s, p - s + 1);
1621 if (port_ptr && !*port_ptr)
1622 *port_ptr = RSYNC_PORT;