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.
23 #include "zlib/zlib.h"
26 extern int sanitize_paths;
27 extern struct filter_list_struct filter_list;
28 extern struct filter_list_struct server_filter_list;
33 * If 1, send the whole file as literal data rather than trying to
34 * create an incremental diff.
36 * If -1, then look at whether we're local or remote and go by that.
38 * @sa disable_deltas_p()
43 int keep_dirlinks = 0;
44 int copy_dirlinks = 0;
46 int preserve_links = 0;
47 int preserve_hard_links = 0;
48 int preserve_perms = 0;
49 int preserve_executability = 0;
50 int preserve_devices = 0;
51 int preserve_specials = 0;
54 int preserve_times = 0;
55 int omit_dir_times = 0;
61 int saw_delete_opt = 0;
62 int saw_delete_excluded_opt = 0;
64 int delete_during = 0;
65 int delete_before = 0;
67 int delete_excluded = 0;
68 int remove_sent_files = 0;
69 int one_file_system = 0;
70 int protocol_version = PROTOCOL_VERSION;
72 int do_compression = 0;
73 int def_compress_level = Z_DEFAULT_COMPRESSION;
78 int am_starting_up = 1;
79 int relative_paths = -1;
82 int allow_8bit_chars = 0;
86 int prune_empty_dirs = 0;
87 char *files_from = NULL;
88 int filesfrom_fd = -1;
89 char *filesfrom_host = NULL;
91 int human_readable = 0;
95 int daemon_over_rsh = 0;
99 int safe_symlinks = 0;
100 int copy_unsafe_links = 0;
102 int daemon_bwlimit = 0;
105 size_t bwlimit_writemax = 0;
106 int ignore_existing = 0;
107 int ignore_non_existing = 0;
108 int need_messages_from_generator = 0;
112 int ignore_errors = 0;
113 int modify_window = 0;
114 int blocking_io = -1;
115 int checksum_seed = 0;
117 int delay_updates = 0;
118 long block_size = 0; /* "long" because popt can't set an int32. */
121 /** Network address family. **/
123 int default_af_hint = 0; /* Any protocol */
125 int default_af_hint = AF_INET; /* Must use IPv4 */
128 /** Do not go into the background when run as --daemon. Good
129 * for debugging and required for running as a service on W32,
130 * or under Unix process-monitors. **/
132 #if defined _WIN32 || defined __WIN32__
140 int backup_dir_len = 0;
141 int backup_suffix_len;
142 unsigned int backup_dir_remainder;
144 char *backup_suffix = NULL;
146 char *partial_dir = NULL;
147 char *basis_dir[MAX_BASIS_DIRS+1];
148 char *config_file = NULL;
149 char *shell_cmd = NULL;
150 char *log_format = NULL;
151 char *password_file = NULL;
152 char *rsync_path = RSYNC_PATH;
153 char *backup_dir = NULL;
154 char backup_dir_buf[MAXPATHLEN];
155 char *sockopts = NULL;
157 int compare_dest = 0;
160 int basis_dir_cnt = 0;
161 char *dest_option = NULL;
165 int log_before_transfer = 0;
166 int log_format_has_i = 0;
167 int log_format_has_o_or_i = 0;
168 int always_checksum = 0;
171 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
172 char *batch_name = NULL;
174 struct chmod_mode_struct *chmod_modes = NULL;
176 static int daemon_opt; /* sets am_daemon after option error-reporting */
177 static int F_option_cnt = 0;
178 static int modify_window_set;
179 static int itemize_changes = 0;
180 static int refused_delete, refused_archive_part, refused_compress;
181 static int refused_partial, refused_progress, refused_delete_before;
182 static int refused_inplace;
183 static char *max_size_arg, *min_size_arg;
184 static char tmp_partialdir[] = ".~tmp~";
186 /** Local address to bind. As a character string because it's
187 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
188 * address, or a hostname. **/
192 static void print_rsync_version(enum logcode f)
194 char const *got_socketpair = "no ";
195 char const *have_inplace = "no ";
196 char const *hardlinks = "no ";
197 char const *links = "no ";
198 char const *ipv6 = "no ";
199 STRUCT_STAT *dumstat;
201 #ifdef HAVE_SOCKETPAIR
205 #ifdef HAVE_FTRUNCATE
209 #ifdef SUPPORT_HARD_LINKS
221 rprintf(f, "%s version %s protocol version %d\n",
222 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
223 rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n");
224 rprintf(f, "<http://rsync.samba.org/>\n");
225 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
226 "%shard links, %ssymlinks, batchfiles,\n",
227 (int) (sizeof (OFF_T) * 8),
228 got_socketpair, hardlinks, links);
230 /* Note that this field may not have type ino_t. It depends
231 * on the complicated interaction between largefile feature
233 rprintf(f, " %sinplace, %sIPv6, "
234 "%d-bit system inums, %d-bit internal inums\n",
236 (int) (sizeof dumstat->st_ino * 8),
237 (int) (sizeof (int64) * 8));
238 #ifdef MAINTAINER_MODE
239 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
243 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
245 if (sizeof (int64) != SIZEOF_INT64) {
247 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
248 (int) SIZEOF_INT64, (int) sizeof (int64));
251 rprintf(f,"\nrsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
252 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
253 rprintf(f,"General Public Licence for details.\n");
257 void usage(enum logcode F)
259 print_rsync_version(F);
261 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\n");
262 rprintf(F,"via a fast differencing algorithm.\n");
264 rprintf(F,"\nUsage: rsync [OPTION]... SRC [SRC]... DEST\n");
265 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
266 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
267 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
268 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
269 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
270 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
271 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
272 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
273 rprintf(F,"\nOptions\n");
274 rprintf(F," -v, --verbose increase verbosity\n");
275 rprintf(F," -q, --quiet suppress non-error messages\n");
276 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
277 rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n");
278 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
279 rprintf(F," -r, --recursive recurse into directories\n");
280 rprintf(F," -R, --relative use relative path names\n");
281 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
282 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
283 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
284 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
285 rprintf(F," -u, --update skip files that are newer on the receiver\n");
286 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
287 rprintf(F," --append append data onto shorter files\n");
288 rprintf(F," -d, --dirs transfer directories without recursing\n");
289 rprintf(F," -l, --links copy symlinks as symlinks\n");
290 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
291 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
292 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
293 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
294 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
295 rprintf(F," -H, --hard-links preserve hard links\n");
296 rprintf(F," -p, --perms preserve permissions\n");
297 rprintf(F," -E, --executability preserve the file's executability\n");
298 rprintf(F," --chmod=CHMOD change destination permissions\n");
299 rprintf(F," -o, --owner preserve owner (super-user only)\n");
300 rprintf(F," -g, --group preserve group\n");
301 rprintf(F," --devices preserve device files (super-user only)\n");
302 rprintf(F," --specials preserve special files\n");
303 rprintf(F," -D same as --devices --specials\n");
304 rprintf(F," -t, --times preserve times\n");
305 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
306 rprintf(F," --super receiver attempts super-user activities\n");
307 rprintf(F," -S, --sparse handle sparse files efficiently\n");
308 rprintf(F," -n, --dry-run show what would have been transferred\n");
309 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
310 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
311 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
312 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
313 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
314 rprintf(F," --existing ignore non-existing files on receiving side\n");
315 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
316 rprintf(F," --remove-sent-files sent files/symlinks are removed from sending side\n");
317 rprintf(F," --del an alias for --delete-during\n");
318 rprintf(F," --delete delete files that don't exist on the sending side\n");
319 rprintf(F," --delete-before receiver deletes before transfer (default)\n");
320 rprintf(F," --delete-during receiver deletes during transfer, not before\n");
321 rprintf(F," --delete-after receiver deletes after transfer, not before\n");
322 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
323 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
324 rprintf(F," --force force deletion of directories even if not empty\n");
325 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
326 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
327 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
328 rprintf(F," --partial keep partially transferred files\n");
329 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
330 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
331 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
332 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
333 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
334 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
335 rprintf(F," --size-only skip files that match in size\n");
336 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
337 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
338 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
339 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
340 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
341 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
342 rprintf(F," -z, --compress compress file data during the transfer\n");
343 rprintf(F," --compress-level=NUM explicitly set compression level\n");
344 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
345 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
346 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
347 rprintf(F," repeated: --filter='- .rsync-filter'\n");
348 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
349 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
350 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
351 rprintf(F," --include-from=FILE read include patterns from FILE\n");
352 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
353 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
354 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
355 rprintf(F," --port=PORT specify double-colon alternate port number\n");
356 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
357 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
358 rprintf(F," --stats give some file-transfer stats\n");
359 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
360 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
361 rprintf(F," --progress show progress during transfer\n");
362 rprintf(F," -P same as --partial --progress\n");
363 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
364 rprintf(F," --log-format=FORMAT output filenames using the specified format\n");
365 rprintf(F," --password-file=FILE read password from FILE\n");
366 rprintf(F," --list-only list the files instead of copying them\n");
367 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
368 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
369 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
370 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
371 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
373 rprintf(F," -4, --ipv4 prefer IPv4\n");
374 rprintf(F," -6, --ipv6 prefer IPv6\n");
376 rprintf(F," --version print version number\n");
377 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
379 rprintf(F,"\nUse \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
380 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
381 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
384 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
385 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
386 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
387 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
389 OPT_SERVER, OPT_REFUSED_BASE = 9000};
391 static struct poptOption long_options[] = {
392 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
393 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
394 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
395 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
396 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
397 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
398 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
399 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
400 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
401 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
402 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
403 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
404 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
405 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
406 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
407 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
408 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
409 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
410 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
411 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
412 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
413 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
414 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
415 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
416 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
417 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
418 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
419 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
420 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
421 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
422 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
423 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
424 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
425 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
426 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
427 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
428 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
429 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
430 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
431 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
432 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
433 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
434 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
435 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
436 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
437 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
438 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
439 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
440 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
441 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
442 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
443 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
444 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
445 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
446 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
447 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
448 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
449 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
450 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
451 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
452 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
453 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
454 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
455 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
456 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
457 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
458 {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 },
459 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
460 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
461 {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 },
462 {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
463 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
464 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
465 {"remove-sent-files",0, POPT_ARG_NONE, &remove_sent_files, 0, 0, 0 },
466 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
467 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
468 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
469 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
470 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
471 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
472 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
473 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
474 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
475 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
476 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
477 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
478 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
479 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
480 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
481 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
482 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
483 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
484 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
485 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
486 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
487 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
488 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
489 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
490 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
491 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
492 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
493 {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 },
494 {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 },
495 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
496 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
497 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
498 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
499 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
500 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
501 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
502 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
503 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
504 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
505 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
506 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
507 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
508 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
509 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
510 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
511 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
513 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
514 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
516 {"8-bit-output", '8', POPT_ARG_NONE, &allow_8bit_chars, 0, 0, 0 },
517 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
518 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
519 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
520 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
521 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
522 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
523 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
524 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
525 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
526 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
527 /* All the following options switch us into daemon-mode option-parsing. */
528 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
529 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
530 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
531 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
535 static void daemon_usage(enum logcode F)
537 print_rsync_version(F);
539 rprintf(F,"\nUsage: rsync --daemon [OPTION]...\n");
540 rprintf(F," --address=ADDRESS bind to the specified address\n");
541 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
542 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
543 rprintf(F," --no-detach do not detach from the parent\n");
544 rprintf(F," --port=PORT listen on alternate port number\n");
545 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
546 rprintf(F," -v, --verbose increase verbosity\n");
548 rprintf(F," -4, --ipv4 prefer IPv4\n");
549 rprintf(F," -6, --ipv6 prefer IPv6\n");
551 rprintf(F," --help show this help screen\n");
553 rprintf(F,"\nIf you were not trying to invoke rsync as a daemon, avoid using any of the\n");
554 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
557 static struct poptOption long_daemon_options[] = {
558 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
559 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
560 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
561 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
562 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
564 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
565 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
567 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
568 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
569 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
570 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
571 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
572 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
573 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
574 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
575 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
576 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
577 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
582 static char err_buf[200];
586 * Store the option error message, if any, so that we can log the
587 * connection attempt (which requires parsing the options), and then
588 * show the error later on.
590 void option_error(void)
593 strcpy(err_buf, "Error parsing options: "
594 "option may be supported on client but not on server?\n");
597 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
603 * Tweak the option table to disable all options that the rsyncd.conf
604 * file has told us to refuse.
606 static void set_refuse_options(char *bp)
608 struct poptOption *op;
609 char *cp, shortname[2];
610 int is_wild, found_match;
615 while (*bp == ' ') bp++;
618 if ((cp = strchr(bp, ' ')) != NULL)
620 is_wild = strpbrk(bp, "*?[") != NULL;
622 for (op = long_options; ; op++) {
623 *shortname = op->shortName;
624 if (!op->longName && !*shortname)
626 if ((op->longName && wildmatch(bp, op->longName))
627 || (*shortname && wildmatch(bp, shortname))) {
628 if (op->argInfo == POPT_ARG_VAL)
629 op->argInfo = POPT_ARG_NONE;
630 op->val = (op - long_options) + OPT_REFUSED_BASE;
632 /* These flags are set to let us easily check
633 * an implied option later in the code. */
634 switch (*shortname) {
635 case 'r': case 'd': case 'l': case 'p':
636 case 't': case 'g': case 'o': case 'D':
637 refused_archive_part = op->val;
640 refused_compress = op->val;
643 if (wildmatch("delete", op->longName))
644 refused_delete = op->val;
645 else if (wildmatch("delete-before", op->longName))
646 refused_delete_before = op->val;
647 else if (wildmatch("partial", op->longName))
648 refused_partial = op->val;
649 else if (wildmatch("progress", op->longName))
650 refused_progress = op->val;
651 else if (wildmatch("inplace", op->longName))
652 refused_inplace = op->val;
660 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
669 for (op = long_options; ; op++) {
670 *shortname = op->shortName;
671 if (!op->longName && !*shortname)
673 if (op->val == OPT_DAEMON) {
674 if (op->argInfo == POPT_ARG_VAL)
675 op->argInfo = POPT_ARG_NONE;
676 op->val = (op - long_options) + OPT_REFUSED_BASE;
682 static int count_args(const char **argv)
687 while (argv[i] != NULL)
695 static OFF_T parse_size_arg(char **size_arg, char def_suf)
697 int reps, mult, make_compatible = 0;
701 for (arg = *size_arg; isdigit(*(uchar*)arg); arg++) {}
703 for (arg++; isdigit(*(uchar*)arg); arg++) {}
704 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
720 if (*arg == 'b' || *arg == 'B')
721 mult = 1000, make_compatible = 1, arg++;
722 else if (!*arg || *arg == '+' || *arg == '-')
724 else if (strncasecmp(arg, "ib", 2) == 0)
725 mult = 1024, arg += 2;
730 size *= atof(*size_arg);
731 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
732 size += atoi(arg), make_compatible = 1, arg += 2;
735 if (size > 0 && make_compatible) {
736 /* We convert this manually because we may need %lld precision,
737 * and that's not a portable sprintf() escape. */
738 char buf[128], *s = buf + sizeof buf - 1;
742 *--s = (num % 10) + '0';
745 if (!(*size_arg = strdup(s)))
746 out_of_memory("parse_size_arg");
752 static void create_refuse_error(int which)
754 /* The "which" value is the index + OPT_REFUSED_BASE. */
755 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
756 int n = snprintf(err_buf, sizeof err_buf,
757 "The server is configured to refuse --%s\n",
760 snprintf(err_buf + n, sizeof err_buf - n,
761 " (-%c)\n", op->shortName);
767 * Process command line arguments. Called on both local and remote.
769 * @retval 1 if all options are OK; with globals set to appropriate
772 * @retval 0 on error, with err_buf containing an explanation
774 int parse_arguments(int *argc, const char ***argv, int frommain)
777 char *ref = lp_refuse_options(module_id);
782 set_refuse_options(ref);
784 /* TODO: Call poptReadDefaultConfig; handle errors. */
786 /* The context leaks in case of an error, but if there's a
787 * problem we always exit anyhow. */
788 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
789 poptReadDefaultConfig(pc, 0);
791 while ((opt = poptGetNextOpt(pc)) != -1) {
792 /* most options are handled automatically by popt;
793 * only special cases are returned and listed here. */
797 print_rsync_version(FINFO);
802 /* Disable popt aliases on the server side and
803 * then start parsing the options again. */
805 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
814 exit_cleanup(RERR_SYNTAX);
821 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
825 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
826 long_daemon_options, 0);
827 while ((opt = poptGetNextOpt(pc)) != -1) {
839 "rsync: %s: %s (in daemon mode)\n",
840 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
846 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
847 snprintf(err_buf, sizeof err_buf,
848 "the --temp-dir path is WAY too long.\n");
853 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
856 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
857 exit_cleanup(RERR_SYNTAX);
860 *argv = poptGetArgs(pc);
861 *argc = count_args(*argv);
867 case OPT_MODIFY_WINDOW:
868 /* The value has already been set by popt, but
869 * we need to remember that we're using a
870 * non-default setting. */
871 modify_window_set = 1;
875 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
879 parse_rule(&filter_list, poptGetOptArg(pc),
880 0, XFLG_OLD_PREFIXES);
884 parse_rule(&filter_list, poptGetOptArg(pc),
885 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
888 case OPT_EXCLUDE_FROM:
889 case OPT_INCLUDE_FROM:
890 arg = poptGetOptArg(pc);
892 arg = sanitize_path(NULL, arg, NULL, 0);
893 if (server_filter_list.head) {
894 char *cp = (char *)arg;
896 goto options_rejected;
898 if (check_filter(&server_filter_list, cp, 0) < 0)
899 goto options_rejected;
901 parse_filter_file(&filter_list, arg,
902 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
903 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
907 if (refused_archive_part) {
908 create_refuse_error(refused_archive_part);
911 if (!recurse) /* preserve recurse == 2 */
920 preserve_devices = 1;
921 preserve_specials = 1;
925 preserve_devices = preserve_specials = 1;
929 preserve_devices = preserve_specials = 0;
954 switch (++F_option_cnt) {
956 parse_rule(&filter_list,": /.rsync-filter",0,0);
959 parse_rule(&filter_list,"- .rsync-filter",0,0);
965 if (refused_partial || refused_progress) {
966 create_refuse_error(refused_partial
967 ? refused_partial : refused_progress);
975 if (def_compress_level < Z_DEFAULT_COMPRESSION
976 || def_compress_level > Z_BEST_COMPRESSION) {
977 snprintf(err_buf, sizeof err_buf,
978 "--compress-level value is invalid: %d\n",
982 do_compression = def_compress_level != Z_NO_COMPRESSION;
983 if (do_compression && refused_compress) {
984 create_refuse_error(refused_compress);
989 case OPT_WRITE_BATCH:
990 /* batch_name is already set */
994 case OPT_ONLY_WRITE_BATCH:
995 /* batch_name is already set */
1000 /* batch_name is already set */
1005 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
1006 snprintf(err_buf, sizeof err_buf,
1007 "--max-size value is invalid: %s\n",
1014 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1015 snprintf(err_buf, sizeof err_buf,
1016 "--min-size value is invalid: %s\n",
1025 dest_option = "--link-dest";
1028 snprintf(err_buf, sizeof err_buf,
1029 "hard links are not supported on this %s\n",
1030 am_server ? "server" : "client");
1036 dest_option = "--copy-dest";
1039 case OPT_COMPARE_DEST:
1041 dest_option = "--compare-dest";
1043 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1044 snprintf(err_buf, sizeof err_buf,
1045 "ERROR: at most %d %s args may be specified\n",
1046 MAX_BASIS_DIRS, dest_option);
1049 arg = poptGetOptArg(pc);
1051 arg = sanitize_path(NULL, arg, NULL, 0);
1052 basis_dir[basis_dir_cnt++] = (char *)arg;
1056 arg = poptGetOptArg(pc);
1057 if (!parse_chmod(arg, &chmod_modes)) {
1058 snprintf(err_buf, sizeof err_buf,
1059 "Invalid argument passed to --chmod (%s)\n",
1070 /* A large opt value means that set_refuse_options()
1071 * turned this option off. */
1072 if (opt >= OPT_REFUSED_BASE) {
1073 create_refuse_error(opt);
1076 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1077 am_server ? "on remote machine: " : "",
1078 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1084 if (human_readable && *argc == 2) {
1085 /* Allow the old meaning of 'h' (--help) on its own. */
1090 #ifndef SUPPORT_LINKS
1091 if (preserve_links && !am_sender) {
1092 snprintf(err_buf, sizeof err_buf,
1093 "symlinks are not supported on this %s\n",
1094 am_server ? "server" : "client");
1099 #ifndef SUPPORT_HARD_LINKS
1100 if (preserve_hard_links) {
1101 snprintf(err_buf, sizeof err_buf,
1102 "hard links are not supported on this %s\n",
1103 am_server ? "server" : "client");
1108 if (write_batch && read_batch) {
1109 snprintf(err_buf, sizeof err_buf,
1110 "--write-batch and --read-batch can not be used together\n");
1113 if (write_batch > 0 || read_batch) {
1116 "ignoring --%s-batch option sent to server\n",
1117 write_batch ? "write" : "read");
1118 /* We don't actually exit_cleanup(), so that we can
1119 * still service older version clients that still send
1120 * batch args to server. */
1121 read_batch = write_batch = 0;
1126 if (read_batch && files_from) {
1127 snprintf(err_buf, sizeof err_buf,
1128 "--read-batch cannot be used with --files-from\n");
1131 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
1132 snprintf(err_buf, sizeof err_buf,
1133 "the batch-file name must be %d characters or less.\n",
1134 MAX_BATCH_NAME_LEN);
1138 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1139 snprintf(err_buf, sizeof err_buf,
1140 "the --temp-dir path is WAY too long.\n");
1144 if (compare_dest + copy_dest + link_dest > 1) {
1145 snprintf(err_buf, sizeof err_buf,
1146 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
1151 if (recurse == 1) /* preserve recurse == 2 */
1158 xfer_dirs = recurse || list_only;
1160 if (relative_paths < 0)
1161 relative_paths = files_from? 1 : 0;
1162 if (!relative_paths)
1165 if (!!delete_before + delete_during + delete_after > 1) {
1166 snprintf(err_buf, sizeof err_buf,
1167 "You may not combine multiple --delete-WHEN options.\n");
1170 if (delete_before || delete_during || delete_after)
1172 else if (delete_mode || delete_excluded) {
1173 if (refused_delete_before) {
1174 create_refuse_error(refused_delete_before);
1177 delete_mode = delete_before = 1;
1179 saw_delete_opt = delete_mode;
1180 saw_delete_excluded_opt = delete_excluded;
1182 delete_before = delete_during = delete_after = 0;
1183 delete_mode = delete_excluded = 0;
1186 if (delete_mode && refused_delete) {
1187 create_refuse_error(refused_delete);
1191 if (remove_sent_files) {
1192 /* We only want to infer this refusal of --remove-sent-files
1193 * via the refusal of "delete", not any of the "delete-FOO"
1195 if (refused_delete && am_sender) {
1196 create_refuse_error(refused_delete);
1199 need_messages_from_generator = 1;
1202 *argv = poptGetArgs(pc);
1203 *argc = count_args(*argv);
1205 if (sanitize_paths) {
1207 for (i = *argc; i-- > 0; )
1208 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
1210 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1212 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
1214 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
1216 if (server_filter_list.head && !am_sender) {
1217 struct filter_list_struct *elp = &server_filter_list;
1221 goto options_rejected;
1222 clean_fname(tmpdir, 1);
1223 if (check_filter(elp, tmpdir, 1) < 0)
1224 goto options_rejected;
1226 if (partial_dir && *partial_dir) {
1227 clean_fname(partial_dir, 1);
1228 if (check_filter(elp, partial_dir, 1) < 0)
1229 goto options_rejected;
1231 for (i = 0; i < basis_dir_cnt; i++) {
1233 goto options_rejected;
1234 clean_fname(basis_dir[i], 1);
1235 if (check_filter(elp, basis_dir[i], 1) < 0)
1236 goto options_rejected;
1240 goto options_rejected;
1241 clean_fname(backup_dir, 1);
1242 if (check_filter(elp, backup_dir, 1) < 0) {
1244 snprintf(err_buf, sizeof err_buf,
1245 "Your options have been rejected by the server.\n");
1252 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1253 backup_suffix_len = strlen(backup_suffix);
1254 if (strchr(backup_suffix, '/') != NULL) {
1255 snprintf(err_buf, sizeof err_buf,
1256 "--suffix cannot contain slashes: %s\n",
1261 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1262 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1263 if (backup_dir_remainder < 32) {
1264 snprintf(err_buf, sizeof err_buf,
1265 "the --backup-dir path is WAY too long.\n");
1268 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1269 backup_dir_buf[backup_dir_len++] = '/';
1270 backup_dir_buf[backup_dir_len] = '\0';
1272 if (verbose > 1 && !am_sender)
1273 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
1274 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1275 snprintf(err_buf, sizeof err_buf,
1276 "--suffix cannot be a null string without --backup-dir\n");
1278 } else if (make_backups && delete_mode && !delete_excluded) {
1279 snprintf(backup_dir_buf, sizeof backup_dir_buf,
1280 "P *%s", backup_suffix);
1281 parse_rule(&filter_list, backup_dir_buf, 0, 0);
1283 if (make_backups && !backup_dir)
1287 if (am_server && log_format_has(log_format, 'I'))
1288 log_format_has_i = 2;
1289 else if (log_format_has(log_format, 'i'))
1290 log_format_has_i = itemize_changes | 1;
1291 if (!log_format_has(log_format, 'b')
1292 && !log_format_has(log_format, 'c'))
1293 log_before_transfer = !am_server;
1294 } else if (itemize_changes) {
1295 log_format = "%i %n%L";
1296 log_format_has_i = itemize_changes;
1297 log_before_transfer = !am_server;
1300 if (do_progress && !verbose && !log_before_transfer && !am_server)
1306 set_io_timeout(io_timeout);
1308 if (verbose && !log_format) {
1309 log_format = "%n%L";
1310 log_before_transfer = !am_server;
1312 if (log_format_has_i || log_format_has(log_format, 'o'))
1313 log_format_has_o_or_i = 1;
1315 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1316 bwlimit = daemon_bwlimit;
1318 bwlimit_writemax = (size_t)bwlimit * 128;
1319 if (bwlimit_writemax < 512)
1320 bwlimit_writemax = 512;
1323 if (sparse_files && inplace) {
1324 /* Note: we don't check for this below, because --append is
1325 * OK with --sparse (as long as redos are handled right). */
1326 snprintf(err_buf, sizeof err_buf,
1327 "--sparse cannot be used with --inplace\n");
1332 if (whole_file > 0) {
1333 snprintf(err_buf, sizeof err_buf,
1334 "--append cannot be used with --whole-file\n");
1337 if (refused_inplace) {
1338 create_refuse_error(refused_inplace);
1344 if (delay_updates && !partial_dir)
1345 partial_dir = tmp_partialdir;
1348 #ifdef HAVE_FTRUNCATE
1350 snprintf(err_buf, sizeof err_buf,
1351 "--%s cannot be used with --%s\n",
1352 append_mode ? "append" : "inplace",
1353 delay_updates ? "delay-updates" : "partial-dir");
1356 /* --inplace implies --partial for refusal purposes, but we
1357 * clear the keep_partial flag for internal logic purposes. */
1358 if (refused_partial) {
1359 create_refuse_error(refused_partial);
1364 snprintf(err_buf, sizeof err_buf,
1365 "--%s is not supported on this %s\n",
1366 append_mode ? "append" : "inplace",
1367 am_server ? "server" : "client");
1371 if (keep_partial && !partial_dir && !am_server) {
1372 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1373 partial_dir = strdup(arg);
1377 clean_fname(partial_dir, 1);
1378 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1380 else if (*partial_dir != '/') {
1381 parse_rule(&filter_list, partial_dir,
1382 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
1384 if (!partial_dir && refused_partial) {
1385 create_refuse_error(refused_partial);
1395 if (*argc > 2 || (!am_daemon && *argc == 1)) {
1397 exit_cleanup(RERR_SYNTAX);
1399 if (strcmp(files_from, "-") == 0) {
1402 filesfrom_host = ""; /* reading from socket */
1403 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1405 snprintf(err_buf, sizeof err_buf,
1406 "The --files-from sent to the server cannot specify a host.\n");
1411 if (strcmp(files_from, "-") == 0) {
1412 snprintf(err_buf, sizeof err_buf,
1413 "Invalid --files-from remote filename\n");
1418 files_from = sanitize_path(NULL, files_from, NULL, 0);
1419 if (server_filter_list.head) {
1421 goto options_rejected;
1422 clean_fname(files_from, 1);
1423 if (check_filter(&server_filter_list, files_from, 0) < 0)
1424 goto options_rejected;
1426 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1427 if (filesfrom_fd < 0) {
1428 snprintf(err_buf, sizeof err_buf,
1429 "failed to open files-from file %s: %s\n",
1430 files_from, strerror(errno));
1443 * Construct a filtered list of options to pass through from the
1444 * client to the server.
1446 * This involves setting options that will tell the server how to
1447 * behave, and also filtering out options that are processed only
1450 void server_options(char **args,int *argc)
1452 static char argstr[64];
1458 if (blocking_io == -1)
1461 /* This should always remain first on the server's command-line. */
1462 args[ac++] = "--server";
1464 if (daemon_over_rsh) {
1465 args[ac++] = "--daemon";
1467 /* if we're passing --daemon, we're done */
1472 args[ac++] = "--sender";
1476 for (i = 0; i < verbose; i++)
1479 /* the -q option is intentionally left out */
1484 if (!do_xfers) /* Note: NOT "dry_run"! */
1488 if (xfer_dirs > (recurse || !delete_mode || !am_sender))
1493 if (prune_empty_dirs)
1495 if (omit_dir_times == 2)
1506 /* We don't need to send --no-whole-file, because it's the
1507 * default for remote transfers, and in any case old versions
1508 * of rsync will not understand it. */
1510 if (preserve_hard_links)
1516 if (preserve_devices) /* ignore preserve_specials here */
1522 else if (preserve_executability && am_sender)
1526 if (always_checksum)
1534 if (one_file_system) {
1536 if (one_file_system > 1)
1544 /* This is a complete hack - blame Rusty. FIXME!
1545 * This hack is only needed for older rsync versions that
1546 * don't understand the --list-only option. */
1547 if (list_only == 1 && !recurse)
1553 args[ac++] = argstr;
1556 args[ac++] = "--list-only";
1558 /* This makes sure that the remote rsync can handle deleting with -d
1559 * sans -r because the --no-r option was added at the same time. */
1560 if (xfer_dirs && !recurse && delete_mode && am_sender)
1561 args[ac++] = "--no-r";
1563 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
1564 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
1569 if (preserve_devices) {
1570 /* Note: sending "--devices" would not be backward-compatible. */
1571 if (!preserve_specials)
1572 args[ac++] = "--no-specials"; /* -D is already set. */
1573 } else if (preserve_specials)
1574 args[ac++] = "--specials";
1576 /* The server side doesn't use our log-format, but in certain
1577 * circumstances they need to know a little about the option. */
1578 if (log_format && am_sender) {
1579 if (log_format_has_i > 1)
1580 args[ac++] = "--log-format=%i%I";
1581 else if (log_format_has_i)
1582 args[ac++] = "--log-format=%i";
1583 else if (log_format_has_o_or_i)
1584 args[ac++] = "--log-format=%o";
1586 args[ac++] = "--log-format=X";
1590 if (asprintf(&arg, "-B%lu", block_size) < 0)
1595 if (max_delete && am_sender) {
1596 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1601 if (min_size && am_sender) {
1602 args[ac++] = "--min-size";
1603 args[ac++] = min_size_arg;
1606 if (max_size && am_sender) {
1607 args[ac++] = "--max-size";
1608 args[ac++] = max_size_arg;
1612 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1618 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1624 args[ac++] = "--backup-dir";
1625 args[ac++] = backup_dir;
1628 /* Only send --suffix if it specifies a non-default value. */
1629 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1630 /* We use the following syntax to avoid weirdness with '~'. */
1631 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1637 if (delete_excluded)
1638 args[ac++] = "--delete-excluded";
1639 else if (delete_before == 1 || delete_after)
1640 args[ac++] = "--delete";
1641 if (delete_before > 1)
1642 args[ac++] = "--delete-before";
1644 args[ac++] = "--delete-during";
1646 args[ac++] = "--delete-after";
1648 args[ac++] = "--force";
1649 if (write_batch < 0)
1650 args[ac++] = "--only-write-batch=X";
1652 args[ac++] = "--super";
1654 args[ac++] = "--size-only";
1657 if (modify_window_set) {
1658 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1663 if (checksum_seed) {
1664 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1669 if (partial_dir && am_sender) {
1670 if (partial_dir != tmp_partialdir) {
1671 args[ac++] = "--partial-dir";
1672 args[ac++] = partial_dir;
1675 args[ac++] = "--delay-updates";
1676 } else if (keep_partial && am_sender)
1677 args[ac++] = "--partial";
1680 args[ac++] = "--ignore-errors";
1682 if (copy_unsafe_links)
1683 args[ac++] = "--copy-unsafe-links";
1686 args[ac++] = "--safe-links";
1689 args[ac++] = "--numeric-ids";
1691 if (ignore_existing && am_sender)
1692 args[ac++] = "--ignore-existing";
1694 /* Backward compatibility: send --existing, not --ignore-non-existing. */
1695 if (ignore_non_existing && am_sender)
1696 args[ac++] = "--existing";
1699 args[ac++] = "--append";
1701 args[ac++] = "--inplace";
1703 if (tmpdir && am_sender) {
1704 args[ac++] = "--temp-dir";
1705 args[ac++] = tmpdir;
1708 if (basis_dir[0] && am_sender) {
1709 /* the server only needs this option if it is not the sender,
1710 * and it may be an older version that doesn't know this
1711 * option, so don't send it if client is the sender.
1714 for (i = 0; i < basis_dir_cnt; i++) {
1715 args[ac++] = dest_option;
1716 args[ac++] = basis_dir[i];
1720 if (files_from && (!am_sender || filesfrom_host)) {
1721 if (filesfrom_host) {
1722 args[ac++] = "--files-from";
1723 args[ac++] = files_from;
1725 args[ac++] = "--from0";
1727 args[ac++] = "--files-from=-";
1728 args[ac++] = "--from0";
1730 if (!relative_paths)
1731 args[ac++] = "--no-relative";
1733 if (relative_paths && !implied_dirs && !am_sender)
1734 args[ac++] = "--no-implied-dirs";
1736 if (fuzzy_basis && am_sender)
1737 args[ac++] = "--fuzzy";
1739 if (remove_sent_files)
1740 args[ac++] = "--remove-sent-files";
1746 out_of_memory("server_options");
1749 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1750 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1751 * memory with the HOST. If a daemon-accessing spec was specified, the value
1752 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1753 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1754 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1755 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1756 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
1761 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1764 s += strlen(URL_PREFIX);
1765 if ((p = strchr(s, '/')) != NULL) {
1769 hostlen = strlen(s);
1772 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1776 *port_ptr = atoi(p+2);
1778 if ((p = strchr(s, ':')) != NULL) {
1780 *port_ptr = atoi(p+1);
1784 *port_ptr = RSYNC_PORT;
1785 *host_ptr = new_array(char, hostlen + 1);
1786 strlcpy(*host_ptr, s, hostlen + 1);
1790 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
1793 not_host = strchr(s, '/') || !strchr(s, ':');
1799 if (!(p = strchr(s, ':')))
1802 not_host = strchr(s, '/') != NULL;
1808 *host_ptr = new_array(char, p - s + 1);
1809 strlcpy(*host_ptr, s, p - s + 1);
1812 if (port_ptr && !*port_ptr)
1813 *port_ptr = RSYNC_PORT;