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.
24 extern int sanitize_paths;
25 extern int select_timeout;
26 extern char curr_dir[MAXPATHLEN];
27 extern struct exclude_list_struct exclude_list;
28 extern struct exclude_list_struct server_exclude_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;
45 int preserve_links = 0;
46 int preserve_hard_links = 0;
47 int preserve_perms = 0;
48 int preserve_devices = 0;
51 int preserve_times = 0;
58 int delete_excluded = 0;
59 int one_file_system = 0;
60 int protocol_version = PROTOCOL_VERSION;
62 int do_compression = 0;
65 int relative_paths = -1;
75 char *files_from = NULL;
76 int filesfrom_fd = -1;
77 char *remote_filesfrom_file = NULL;
81 int daemon_over_rsh = 0;
85 int safe_symlinks = 0;
86 int copy_unsafe_links = 0;
89 size_t bwlimit_writemax = 0;
91 int only_existing = 0;
92 int opt_ignore_existing = 0;
94 int ignore_errors = 0;
95 int modify_window = 0;
97 int checksum_seed = 0;
99 unsigned int block_size = 0;
102 /** Network address family. **/
104 int default_af_hint = 0; /* Any protocol */
106 int default_af_hint = AF_INET; /* Must use IPv4 */
109 /** Do not go into the background when run as --daemon. Good
110 * for debugging and required for running as a service on W32,
111 * or under Unix process-monitors. **/
116 int backup_dir_len = 0;
117 int backup_suffix_len;
118 unsigned int backup_dir_remainder;
120 char *backup_suffix = NULL;
122 char *partial_dir = NULL;
123 char *compare_dest = NULL;
124 char *config_file = NULL;
125 char *shell_cmd = NULL;
126 char *log_format = NULL;
127 char *password_file = NULL;
128 char *rsync_path = RSYNC_PATH;
129 char *backup_dir = NULL;
130 char backup_dir_buf[MAXPATHLEN];
131 int rsync_port = RSYNC_PORT;
136 int always_checksum = 0;
139 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
140 char *batch_name = NULL;
142 static int daemon_opt; /* sets am_daemon after option error-reporting */
143 static int modify_window_set;
145 /** Local address to bind. As a character string because it's
146 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
147 * address, or a hostname. **/
151 static void print_rsync_version(enum logcode f)
153 char const *got_socketpair = "no ";
154 char const *have_inplace = "no ";
155 char const *hardlinks = "no ";
156 char const *links = "no ";
157 char const *ipv6 = "no ";
158 STRUCT_STAT *dumstat;
160 #ifdef HAVE_SOCKETPAIR
168 #if SUPPORT_HARD_LINKS
180 rprintf(f, "%s version %s protocol version %d\n",
181 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
183 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
184 rprintf(f, "<http://rsync.samba.org/>\n");
185 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
186 "%shard links, %ssymlinks, batchfiles, \n",
187 (int) (sizeof (OFF_T) * 8),
188 got_socketpair, hardlinks, links);
190 /* Note that this field may not have type ino_t. It depends
191 * on the complicated interaction between largefile feature
193 rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n",
195 (int) (sizeof dumstat->st_ino * 8),
196 (int) (sizeof (uint64) * 8));
197 #ifdef MAINTAINER_MODE
198 rprintf(f, " panic action: \"%s\"\n",
202 #ifdef INT64_IS_OFF_T
203 if (sizeof (int64) < 8)
204 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
209 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
210 "are welcome to redistribute it under certain conditions. See the GNU\n"
211 "General Public Licence for details.\n"
216 void usage(enum logcode F)
218 print_rsync_version(F);
220 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
222 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
223 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
224 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
225 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
226 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
227 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
228 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
229 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
230 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
231 rprintf(F," sources separated by space as long as they have same top-level\n");
232 rprintf(F,"\nOptions\n");
233 rprintf(F," -v, --verbose increase verbosity\n");
234 rprintf(F," -q, --quiet decrease verbosity\n");
235 rprintf(F," -c, --checksum always checksum\n");
236 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
237 rprintf(F," -r, --recursive recurse into directories\n");
238 rprintf(F," -R, --relative use relative path names\n");
239 rprintf(F," --no-relative turn off --relative\n");
240 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
241 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
242 rprintf(F," --backup-dir make backups into this directory\n");
243 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
244 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
245 rprintf(F," --inplace update destination files inplace (SEE MAN PAGE)\n");
246 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
247 rprintf(F," -l, --links copy symlinks as symlinks\n");
248 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
249 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
250 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
251 rprintf(F," -H, --hard-links preserve hard links\n");
252 rprintf(F," -p, --perms preserve permissions\n");
253 rprintf(F," -o, --owner preserve owner (root only)\n");
254 rprintf(F," -g, --group preserve group\n");
255 rprintf(F," -D, --devices preserve devices (root only)\n");
256 rprintf(F," -t, --times preserve times\n");
257 rprintf(F," -S, --sparse handle sparse files efficiently\n");
258 rprintf(F," -n, --dry-run show what would have been transferred\n");
259 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
260 rprintf(F," --no-whole-file turn off --whole-file\n");
261 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
262 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
263 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
264 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
265 rprintf(F," --existing only update files that already exist\n");
266 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
267 rprintf(F," --delete delete files that don't exist on the sending side\n");
268 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
269 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
270 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
271 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
272 rprintf(F," --partial keep partially transferred files\n");
273 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
274 rprintf(F," --force force deletion of directories even if not empty\n");
275 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
276 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
277 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
278 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
279 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
280 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
281 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
282 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
283 rprintf(F," -P equivalent to --partial --progress\n");
284 rprintf(F," -z, --compress compress file data\n");
285 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
286 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
287 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
288 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
289 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
290 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
291 rprintf(F," -0, --from0 all *-from file lists are delimited by nulls\n");
292 rprintf(F," --version print version number\n");
293 rprintf(F," --daemon run as an rsync daemon\n");
294 rprintf(F," --no-detach do not detach from the parent\n");
295 rprintf(F," --address=ADDRESS bind to the specified address\n");
296 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
297 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
298 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
299 rprintf(F," --no-blocking-io turn off --blocking-io\n");
300 rprintf(F," --stats give some file transfer stats\n");
301 rprintf(F," --progress show progress during transfer\n");
302 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
303 rprintf(F," --password-file=FILE get password from FILE\n");
304 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
305 rprintf(F," --write-batch=FILE write a batch to FILE\n");
306 rprintf(F," --read-batch=FILE read a batch from FILE\n");
307 rprintf(F," --checksum-seed=NUM set block/file checksum seed\n");
309 rprintf(F," -4, --ipv4 prefer IPv4\n");
310 rprintf(F," -6, --ipv6 prefer IPv6\n");
312 rprintf(F," -h, --help show this help screen\n");
316 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
317 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
320 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
321 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
322 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
323 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT,
324 OPT_REFUSED_BASE = 9000};
326 static struct poptOption long_options[] = {
327 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
328 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
329 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
330 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
331 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
332 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
333 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
334 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
335 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
336 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
337 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
338 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
339 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
340 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
341 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
342 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
343 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
344 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
345 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
346 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
347 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
348 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
349 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
350 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
351 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
352 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
353 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
354 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
355 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
356 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
357 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
358 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
359 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
360 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
361 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
362 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
363 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
364 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
365 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
366 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
367 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
368 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
369 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
370 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
371 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
372 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
373 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
374 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
375 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
376 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
377 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
378 {"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 },
379 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
380 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
381 {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 },
382 /* TODO: Should this take an optional int giving the compression level? */
383 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
384 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
385 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
386 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
387 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
388 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
389 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
390 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
391 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
392 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
393 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
394 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
395 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
396 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
397 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
398 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
399 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
400 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
401 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
402 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
403 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
404 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
405 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
406 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
407 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
409 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
410 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
416 static char err_buf[200];
420 * Store the option error message, if any, so that we can log the
421 * connection attempt (which requires parsing the options), and then
422 * show the error later on.
424 void option_error(void)
427 strcpy(err_buf, "Error parsing options: "
428 "option may be supported on client but not on server?\n");
431 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
436 * Tweak the option table to disable all options that the rsyncd.conf
437 * file has told us to refuse.
439 static void set_refuse_options(char *bp)
441 struct poptOption *op;
442 char *cp, shortname[2];
448 while (*bp == ' ') bp++;
451 if ((cp = strchr(bp, ' ')) != NULL)
453 /* If they specify "delete", reject all delete options. */
454 if (strcmp(bp, "delete") == 0)
456 is_wild = strpbrk(bp, "*?[") != NULL;
457 for (op = long_options; ; op++) {
460 "No match for refuse-options string \"%s\"\n",
464 *shortname = op->shortName;
465 if (wildmatch(bp, op->longName) || wildmatch(bp, shortname)) {
466 op->val = (op - long_options) + OPT_REFUSED_BASE;
479 static int count_args(char const **argv)
483 while (argv[i] != NULL)
491 * Process command line arguments. Called on both local and remote.
493 * @retval 1 if all options are OK; with globals set to appropriate
496 * @retval 0 on error, with err_buf containing an explanation
498 int parse_arguments(int *argc, const char ***argv, int frommain)
501 char *ref = lp_refuse_options(module_id);
506 set_refuse_options(ref);
508 /* TODO: Call poptReadDefaultConfig; handle errors. */
510 /* The context leaks in case of an error, but if there's a
511 * problem we always exit anyhow. */
512 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
514 while ((opt = poptGetNextOpt(pc)) != -1) {
515 /* most options are handled automatically by popt;
516 * only special cases are returned and listed here. */
520 print_rsync_version(FINFO);
523 case OPT_MODIFY_WINDOW:
524 /* The value has already been set by popt, but
525 * we need to remember that we're using a
526 * non-default setting. */
527 modify_window_set = 1;
530 case OPT_DELETE_AFTER:
535 case OPT_DELETE_EXCLUDED:
541 if (am_server || sanitize_paths)
542 return 0; /* Impossible... */
543 add_exclude(&exclude_list, poptGetOptArg(pc), 0);
547 if (am_server || sanitize_paths)
548 return 0; /* Impossible... */
549 add_exclude(&exclude_list, poptGetOptArg(pc),
553 case OPT_EXCLUDE_FROM:
554 if (am_server || sanitize_paths)
555 return 0; /* Impossible... */
556 arg = poptGetOptArg(pc);
557 add_exclude_file(&exclude_list, arg,
561 case OPT_INCLUDE_FROM:
562 if (am_server || sanitize_paths)
563 return 0; /* Impossible... */
564 arg = poptGetOptArg(pc);
565 add_exclude_file(&exclude_list, arg,
566 XFLG_FATAL_ERRORS | XFLG_DEF_INCLUDE);
585 exit_cleanup(RERR_SYNTAX);
595 case OPT_WRITE_BATCH:
596 /* batch_name is already set */
601 /* batch_name is already set */
606 if (io_timeout && io_timeout < select_timeout)
607 select_timeout = io_timeout;
615 snprintf(err_buf, sizeof err_buf,
616 "hard links are not supported on this %s\n",
617 am_server ? "server" : "client");
622 /* A large opt value means that set_refuse_options()
623 * turned this option off (opt-BASE is its index). */
624 if (opt >= OPT_REFUSED_BASE) {
625 struct poptOption *op =
626 &long_options[opt-OPT_REFUSED_BASE];
627 int n = snprintf(err_buf, sizeof err_buf,
628 "This server does not support --%s\n",
631 snprintf(err_buf+n, sizeof err_buf-n,
632 " (-%c)\n", op->shortName);
635 snprintf(err_buf, sizeof err_buf,
637 am_server ? "on remote machine: " : "",
638 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
646 if (preserve_links && !am_sender) {
647 snprintf(err_buf, sizeof err_buf,
648 "symlinks are not supported on this %s\n",
649 am_server ? "server" : "client");
654 #if !SUPPORT_HARD_LINKS
655 if (preserve_hard_links) {
656 snprintf(err_buf, sizeof err_buf,
657 "hard links are not supported on this %s\n",
658 am_server ? "server" : "client");
663 if (block_size > MAX_BLOCK_SIZE) {
664 rprintf(FINFO, "limiting block-size to %d bytes\n",
666 block_size = MAX_BLOCK_SIZE;
669 if (write_batch && read_batch) {
670 snprintf(err_buf, sizeof err_buf,
671 "--write-batch and --read-batch can not be used together\n");
674 if (write_batch || read_batch) {
676 snprintf(err_buf, sizeof err_buf,
677 "--%s-batch cannot be used with --dry_run (-n)\n",
678 write_batch ? "write" : "read");
683 "ignoring --%s-batch option sent to server\n",
684 write_batch ? "write" : "read");
685 /* We don't actually exit_cleanup(), so that we can
686 * still service older version clients that still send
687 * batch args to server. */
688 read_batch = write_batch = 0;
692 if (read_batch && files_from) {
693 snprintf(err_buf, sizeof err_buf,
694 "--read-batch cannot be used with --files-from\n");
697 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
698 snprintf(err_buf, sizeof err_buf,
699 "the batch-file name must be %d characters or less.\n",
704 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
705 snprintf(err_buf, sizeof err_buf,
706 "the --temp-dir path is WAY too long.\n");
720 preserve_devices = 1;
723 if (relative_paths < 0)
724 relative_paths = files_from? 1 : 0;
726 *argv = poptGetArgs(pc);
728 *argc = count_args(*argv);
732 if (sanitize_paths) {
734 for (i = *argc; i-- > 0; )
735 (*argv)[i] = alloc_sanitize_path((*argv)[i], NULL);
737 tmpdir = alloc_sanitize_path(tmpdir, curr_dir);
739 partial_dir = alloc_sanitize_path(partial_dir, curr_dir);
741 compare_dest = alloc_sanitize_path(compare_dest, curr_dir);
743 backup_dir = alloc_sanitize_path(backup_dir, curr_dir);
745 files_from = alloc_sanitize_path(files_from, curr_dir);
747 if (server_exclude_list.head && !am_sender) {
748 struct exclude_list_struct *elp = &server_exclude_list;
751 if (check_exclude(elp, tmpdir, 1) < 0)
752 goto options_rejected;
755 clean_fname(partial_dir);
756 if (check_exclude(elp, partial_dir, 1) < 0)
757 goto options_rejected;
760 clean_fname(compare_dest);
761 if (check_exclude(elp, compare_dest, 1) < 0)
762 goto options_rejected;
765 clean_fname(backup_dir);
766 if (check_exclude(elp, backup_dir, 1) < 0)
767 goto options_rejected;
770 if (server_exclude_list.head && files_from) {
771 clean_fname(files_from);
772 if (check_exclude(&server_exclude_list, files_from, 0) < 0) {
774 snprintf(err_buf, sizeof err_buf,
775 "Your options have been rejected by the server.\n");
787 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
788 backup_suffix_len = strlen(backup_suffix);
789 if (strchr(backup_suffix, '/') != NULL) {
790 snprintf(err_buf, sizeof err_buf,
791 "--suffix cannot contain slashes: %s\n",
796 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
797 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
798 if (backup_dir_remainder < 32) {
799 snprintf(err_buf, sizeof err_buf,
800 "the --backup-dir path is WAY too long.\n");
803 if (backup_dir_buf[backup_dir_len - 1] != '/') {
804 backup_dir_buf[backup_dir_len++] = '/';
805 backup_dir_buf[backup_dir_len] = '\0';
807 if (verbose > 1 && !am_sender)
808 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
809 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
810 snprintf(err_buf, sizeof err_buf,
811 "--suffix cannot be a null string without --backup-dir\n");
815 if (do_progress && !verbose)
819 bwlimit_writemax = (size_t)bwlimit * 128;
820 if (bwlimit_writemax < 512)
821 bwlimit_writemax = 512;
827 snprintf(err_buf, sizeof err_buf,
828 "--inplace cannot be used with --partial-dir\n");
833 snprintf(err_buf, sizeof err_buf,
834 "--inplace is not supported on this %s\n",
835 am_server ? "server" : "client");
838 } else if (partial_dir) {
839 if (strcmp(partial_dir, ".") == 0)
846 if (*argc > 2 || (!am_daemon && *argc == 1)) {
848 exit_cleanup(RERR_SYNTAX);
850 if (strcmp(files_from, "-") == 0) {
853 remote_filesfrom_file = "-";
855 else if ((colon = find_colon(files_from)) != 0) {
858 exit_cleanup(RERR_SYNTAX);
860 remote_filesfrom_file = colon+1 + (colon[1] == ':');
861 if (strcmp(remote_filesfrom_file, "-") == 0) {
862 snprintf(err_buf, sizeof err_buf,
863 "Invalid --files-from remote filename\n");
867 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
868 if (filesfrom_fd < 0) {
869 snprintf(err_buf, sizeof err_buf,
870 "failed to open files-from file %s: %s\n",
871 files_from, strerror(errno));
882 * Construct a filtered list of options to pass through from the
883 * client to the server.
885 * This involves setting options that will tell the server how to
886 * behave, and also filtering out options that are processed only
889 void server_options(char **args,int *argc)
892 static char argstr[50];
897 if (blocking_io == -1)
900 args[ac++] = "--server";
902 if (daemon_over_rsh) {
903 args[ac++] = "--daemon";
905 /* if we're passing --daemon, we're done */
910 args[ac++] = "--sender";
914 for (i = 0; i < verbose; i++)
917 /* the -q option is intentionally left out */
928 if (keep_dirlinks && am_sender)
933 /* We don't need to send --no-whole-file, because it's the
934 * default for remote transfers, and in any case old versions
935 * of rsync will not understand it. */
937 if (preserve_hard_links)
943 if (preserve_devices)
966 /* this is a complete hack - blame Rusty
968 this is a hack to make the list_only (remote file list)
970 if (list_only && !recurse)
979 if (asprintf(&arg, "-B%u", block_size) < 0)
984 if (max_delete && am_sender) {
985 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
991 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
997 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1003 args[ac++] = "--backup-dir";
1004 args[ac++] = backup_dir;
1007 /* Only send --suffix if it specifies a non-default value. */
1008 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1009 /* We use the following syntax to avoid weirdness with '~'. */
1010 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1016 if (delete_excluded)
1017 args[ac++] = "--delete-excluded";
1018 else if (delete_mode
1019 && (!delete_after || protocol_version < 27))
1020 args[ac++] = "--delete";
1023 args[ac++] = "--delete-after";
1026 args[ac++] = "--force";
1030 args[ac++] = "--size-only";
1032 if (modify_window_set) {
1033 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1038 if (checksum_seed) {
1039 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1044 if (partial_dir && am_sender) {
1045 args[ac++] = "--partial-dir";
1046 args[ac++] = partial_dir;
1047 } else if (keep_partial)
1048 args[ac++] = "--partial";
1051 args[ac++] = "--ignore-errors";
1053 if (copy_unsafe_links)
1054 args[ac++] = "--copy-unsafe-links";
1057 args[ac++] = "--safe-links";
1060 args[ac++] = "--numeric-ids";
1062 if (only_existing && am_sender)
1063 args[ac++] = "--existing";
1065 if (opt_ignore_existing && am_sender)
1066 args[ac++] = "--ignore-existing";
1069 args[ac++] = "--inplace";
1072 args[ac++] = "--temp-dir";
1073 args[ac++] = tmpdir;
1076 if (compare_dest && am_sender) {
1077 /* the server only needs this option if it is not the sender,
1078 * and it may be an older version that doesn't know this
1079 * option, so don't send it if client is the sender.
1081 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
1082 args[ac++] = compare_dest;
1085 if (files_from && (!am_sender || remote_filesfrom_file)) {
1086 if (remote_filesfrom_file) {
1087 args[ac++] = "--files-from";
1088 args[ac++] = remote_filesfrom_file;
1090 args[ac++] = "--from0";
1092 args[ac++] = "--files-from=-";
1093 args[ac++] = "--from0";
1101 out_of_memory("server_options");
1105 * Return the position of a ':' IF it is not part of a filename (i.e. as
1106 * long as it doesn't occur after a slash.
1108 char *find_colon(char *s)
1116 /* now check to see if there is a / in the string before the : - if there is then
1117 discard the colon on the assumption that the : is part of a filename */