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 struct exclude_list_struct exclude_list;
27 extern struct exclude_list_struct server_exclude_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;
57 int delete_excluded = 0;
58 int one_file_system = 0;
59 int protocol_version = PROTOCOL_VERSION;
61 int do_compression = 0;
64 int relative_paths = -1;
74 char *files_from = NULL;
75 int filesfrom_fd = -1;
76 char *remote_filesfrom_file = NULL;
80 int daemon_over_rsh = 0;
84 int safe_symlinks = 0;
85 int copy_unsafe_links = 0;
88 size_t bwlimit_writemax = 0;
90 int only_existing = 0;
91 int opt_ignore_existing = 0;
93 int ignore_errors = 0;
94 int modify_window = 0;
96 int checksum_seed = 0;
98 unsigned int block_size = 0;
101 /** Network address family. **/
103 int default_af_hint = 0; /* Any protocol */
105 int default_af_hint = AF_INET; /* Must use IPv4 */
108 /** Do not go into the background when run as --daemon. Good
109 * for debugging and required for running as a service on W32,
110 * or under Unix process-monitors. **/
115 int backup_dir_len = 0;
116 int backup_suffix_len;
117 unsigned int backup_dir_remainder;
119 char *backup_suffix = NULL;
121 char *partial_dir = NULL;
122 char *compare_dest = NULL;
123 char *config_file = NULL;
124 char *shell_cmd = NULL;
125 char *log_format = NULL;
126 char *password_file = NULL;
127 char *rsync_path = RSYNC_PATH;
128 char *backup_dir = NULL;
129 char backup_dir_buf[MAXPATHLEN];
130 int rsync_port = RSYNC_PORT;
135 int always_checksum = 0;
138 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
139 char *batch_name = NULL;
141 static int daemon_opt; /* sets am_daemon after option error-reporting */
142 static int modify_window_set;
144 /** Local address to bind. As a character string because it's
145 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
146 * address, or a hostname. **/
150 static void print_rsync_version(enum logcode f)
152 char const *got_socketpair = "no ";
153 char const *have_inplace = "no ";
154 char const *hardlinks = "no ";
155 char const *links = "no ";
156 char const *ipv6 = "no ";
157 STRUCT_STAT *dumstat;
159 #ifdef HAVE_SOCKETPAIR
167 #if SUPPORT_HARD_LINKS
179 rprintf(f, "%s version %s protocol version %d\n",
180 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
182 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
183 rprintf(f, "<http://rsync.samba.org/>\n");
184 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
185 "%shard links, %ssymlinks, batchfiles, \n",
186 (int) (sizeof (OFF_T) * 8),
187 got_socketpair, hardlinks, links);
189 /* Note that this field may not have type ino_t. It depends
190 * on the complicated interaction between largefile feature
192 rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n",
194 (int) (sizeof dumstat->st_ino * 8),
195 (int) (sizeof (uint64) * 8));
196 #ifdef MAINTAINER_MODE
197 rprintf(f, " panic action: \"%s\"\n",
201 #ifdef INT64_IS_OFF_T
202 if (sizeof (int64) < 8)
203 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
208 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
209 "are welcome to redistribute it under certain conditions. See the GNU\n"
210 "General Public Licence for details.\n"
215 void usage(enum logcode F)
217 print_rsync_version(F);
219 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
221 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
222 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
223 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
224 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
225 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
226 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
227 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
228 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
229 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
230 rprintf(F," sources separated by space as long as they have same top-level\n");
231 rprintf(F,"\nOptions\n");
232 rprintf(F," -v, --verbose increase verbosity\n");
233 rprintf(F," -q, --quiet decrease verbosity\n");
234 rprintf(F," -c, --checksum always checksum\n");
235 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
236 rprintf(F," -r, --recursive recurse into directories\n");
237 rprintf(F," -R, --relative use relative path names\n");
238 rprintf(F," --no-relative turn off --relative\n");
239 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
240 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
241 rprintf(F," --backup-dir make backups into this directory\n");
242 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
243 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
244 rprintf(F," --inplace update destination files inplace (SEE MAN PAGE)\n");
245 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
246 rprintf(F," -l, --links copy symlinks as symlinks\n");
247 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
248 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
249 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
250 rprintf(F," -H, --hard-links preserve hard links\n");
251 rprintf(F," -p, --perms preserve permissions\n");
252 rprintf(F," -o, --owner preserve owner (root only)\n");
253 rprintf(F," -g, --group preserve group\n");
254 rprintf(F," -D, --devices preserve devices (root only)\n");
255 rprintf(F," -t, --times preserve times\n");
256 rprintf(F," -S, --sparse handle sparse files efficiently\n");
257 rprintf(F," -n, --dry-run show what would have been transferred\n");
258 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
259 rprintf(F," --no-whole-file turn off --whole-file\n");
260 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
261 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
262 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
263 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
264 rprintf(F," --existing only update files that already exist\n");
265 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
266 rprintf(F," --delete delete files that don't exist on the sending side\n");
267 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
268 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
269 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
270 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
271 rprintf(F," --partial keep partially transferred files\n");
272 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
273 rprintf(F," --force force deletion of directories even if not empty\n");
274 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
275 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
276 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
277 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
278 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
279 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
280 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
281 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
282 rprintf(F," -P equivalent to --partial --progress\n");
283 rprintf(F," -z, --compress compress file data\n");
284 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
285 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
286 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
287 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
288 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
289 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
290 rprintf(F," -0, --from0 all *-from file lists are delimited by nulls\n");
291 rprintf(F," --version print version number\n");
292 rprintf(F," --daemon run as an rsync daemon\n");
293 rprintf(F," --no-detach do not detach from the parent\n");
294 rprintf(F," --address=ADDRESS bind to the specified address\n");
295 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
296 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
297 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
298 rprintf(F," --no-blocking-io turn off --blocking-io\n");
299 rprintf(F," --stats give some file transfer stats\n");
300 rprintf(F," --progress show progress during transfer\n");
301 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
302 rprintf(F," --password-file=FILE get password from FILE\n");
303 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
304 rprintf(F," --write-batch=FILE write a batch to FILE\n");
305 rprintf(F," --read-batch=FILE read a batch from FILE\n");
306 rprintf(F," --checksum-seed=NUM set block/file checksum seed\n");
308 rprintf(F," -4, --ipv4 prefer IPv4\n");
309 rprintf(F," -6, --ipv6 prefer IPv6\n");
311 rprintf(F," -h, --help show this help screen\n");
315 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
316 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
319 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
320 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
321 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
322 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT,
323 OPT_REFUSED_BASE = 9000};
325 static struct poptOption long_options[] = {
326 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
327 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
328 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
329 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
330 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
331 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
332 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
333 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
334 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
335 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
336 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
337 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
338 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
339 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
340 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
341 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
342 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
343 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
344 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
345 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
346 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
347 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
348 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
349 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
350 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
351 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
352 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
353 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
354 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
355 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
356 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
357 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
358 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
359 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
360 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
361 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
362 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
363 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
364 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
365 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
366 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
367 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
368 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
369 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
370 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
371 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
372 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
373 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
374 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
375 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
376 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
377 {"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 },
378 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
379 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
380 {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 },
381 /* TODO: Should this take an optional int giving the compression level? */
382 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
383 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
384 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
385 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
386 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
387 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
388 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
389 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
390 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
391 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
392 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
393 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
394 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
395 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
396 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
397 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
398 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
399 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
400 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
401 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
402 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
403 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
404 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
405 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
406 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
408 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
409 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
415 static char err_buf[200];
419 * Store the option error message, if any, so that we can log the
420 * connection attempt (which requires parsing the options), and then
421 * show the error later on.
423 void option_error(void)
426 strcpy(err_buf, "Error parsing options: "
427 "option may be supported on client but not on server?\n");
430 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
435 * Tweak the option table to disable all options that the rsyncd.conf
436 * file has told us to refuse.
438 static void set_refuse_options(char *bp)
440 struct poptOption *op;
441 char *cp, shortname[2];
442 int is_wild, found_match;
447 while (*bp == ' ') bp++;
450 if ((cp = strchr(bp, ' ')) != NULL)
452 /* If they specify "delete", reject all delete options. */
453 if (strcmp(bp, "delete") == 0)
455 is_wild = strpbrk(bp, "*?[") != NULL;
457 for (op = long_options; ; op++) {
458 *shortname = op->shortName;
459 if (!op->longName && !*shortname)
461 if ((op->longName && wildmatch(bp, op->longName))
462 || (*shortname && wildmatch(bp, shortname))) {
463 op->val = (op - long_options) + OPT_REFUSED_BASE;
470 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
481 static int count_args(char const **argv)
485 while (argv[i] != NULL)
493 * Process command line arguments. Called on both local and remote.
495 * @retval 1 if all options are OK; with globals set to appropriate
498 * @retval 0 on error, with err_buf containing an explanation
500 int parse_arguments(int *argc, const char ***argv, int frommain)
503 char *ref = lp_refuse_options(module_id);
508 set_refuse_options(ref);
510 /* TODO: Call poptReadDefaultConfig; handle errors. */
512 /* The context leaks in case of an error, but if there's a
513 * problem we always exit anyhow. */
514 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
516 while ((opt = poptGetNextOpt(pc)) != -1) {
517 /* most options are handled automatically by popt;
518 * only special cases are returned and listed here. */
522 print_rsync_version(FINFO);
525 case OPT_MODIFY_WINDOW:
526 /* The value has already been set by popt, but
527 * we need to remember that we're using a
528 * non-default setting. */
529 modify_window_set = 1;
532 case OPT_DELETE_AFTER:
537 case OPT_DELETE_EXCLUDED:
543 add_exclude(&exclude_list, poptGetOptArg(pc), 0);
547 add_exclude(&exclude_list, poptGetOptArg(pc),
551 case OPT_EXCLUDE_FROM:
552 case OPT_INCLUDE_FROM:
553 arg = poptGetOptArg(pc);
555 arg = sanitize_path(NULL, arg, NULL, 0);
556 if (server_exclude_list.head) {
557 char *cp = (char *)arg;
559 if (check_exclude(&server_exclude_list, cp, 0) < 0)
560 goto options_rejected;
562 add_exclude_file(&exclude_list, arg, XFLG_FATAL_ERRORS
563 | (opt == OPT_INCLUDE_FROM
564 ? XFLG_DEF_INCLUDE : 0));
583 exit_cleanup(RERR_SYNTAX);
593 case OPT_WRITE_BATCH:
594 /* batch_name is already set */
599 /* batch_name is already set */
604 if (io_timeout && io_timeout < select_timeout)
605 select_timeout = io_timeout;
613 snprintf(err_buf, sizeof err_buf,
614 "hard links are not supported on this %s\n",
615 am_server ? "server" : "client");
620 /* A large opt value means that set_refuse_options()
621 * turned this option off (opt-BASE is its index). */
622 if (opt >= OPT_REFUSED_BASE) {
623 struct poptOption *op =
624 &long_options[opt-OPT_REFUSED_BASE];
625 int n = snprintf(err_buf, sizeof err_buf,
626 "The server is configured to refuse --%s\n",
629 snprintf(err_buf+n, sizeof err_buf-n,
630 " (-%c)\n", op->shortName);
633 snprintf(err_buf, sizeof err_buf,
635 am_server ? "on remote machine: " : "",
636 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
644 if (preserve_links && !am_sender) {
645 snprintf(err_buf, sizeof err_buf,
646 "symlinks are not supported on this %s\n",
647 am_server ? "server" : "client");
652 #if !SUPPORT_HARD_LINKS
653 if (preserve_hard_links) {
654 snprintf(err_buf, sizeof err_buf,
655 "hard links are not supported on this %s\n",
656 am_server ? "server" : "client");
661 if (write_batch && read_batch) {
662 snprintf(err_buf, sizeof err_buf,
663 "--write-batch and --read-batch can not be used together\n");
666 if (write_batch || read_batch) {
668 snprintf(err_buf, sizeof err_buf,
669 "--%s-batch cannot be used with --dry_run (-n)\n",
670 write_batch ? "write" : "read");
675 "ignoring --%s-batch option sent to server\n",
676 write_batch ? "write" : "read");
677 /* We don't actually exit_cleanup(), so that we can
678 * still service older version clients that still send
679 * batch args to server. */
680 read_batch = write_batch = 0;
684 if (read_batch && files_from) {
685 snprintf(err_buf, sizeof err_buf,
686 "--read-batch cannot be used with --files-from\n");
689 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
690 snprintf(err_buf, sizeof err_buf,
691 "the batch-file name must be %d characters or less.\n",
696 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
697 snprintf(err_buf, sizeof err_buf,
698 "the --temp-dir path is WAY too long.\n");
712 preserve_devices = 1;
715 if (relative_paths < 0)
716 relative_paths = files_from? 1 : 0;
718 *argv = poptGetArgs(pc);
720 *argc = count_args(*argv);
724 if (sanitize_paths) {
726 for (i = *argc; i-- > 0; )
727 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
729 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
731 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
733 compare_dest = sanitize_path(NULL, compare_dest, NULL, 0);
735 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
737 files_from = sanitize_path(NULL, files_from, NULL, 0);
739 if (server_exclude_list.head && !am_sender) {
740 struct exclude_list_struct *elp = &server_exclude_list;
742 clean_fname(tmpdir, 1);
743 if (check_exclude(elp, tmpdir, 1) < 0)
744 goto options_rejected;
747 clean_fname(partial_dir, 1);
748 if (check_exclude(elp, partial_dir, 1) < 0)
749 goto options_rejected;
752 clean_fname(compare_dest, 1);
753 if (check_exclude(elp, compare_dest, 1) < 0)
754 goto options_rejected;
757 clean_fname(backup_dir, 1);
758 if (check_exclude(elp, backup_dir, 1) < 0)
759 goto options_rejected;
762 if (server_exclude_list.head && files_from) {
763 clean_fname(files_from, 1);
764 if (check_exclude(&server_exclude_list, files_from, 0) < 0) {
766 snprintf(err_buf, sizeof err_buf,
767 "Your options have been rejected by the server.\n");
779 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
780 backup_suffix_len = strlen(backup_suffix);
781 if (strchr(backup_suffix, '/') != NULL) {
782 snprintf(err_buf, sizeof err_buf,
783 "--suffix cannot contain slashes: %s\n",
788 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
789 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
790 if (backup_dir_remainder < 32) {
791 snprintf(err_buf, sizeof err_buf,
792 "the --backup-dir path is WAY too long.\n");
795 if (backup_dir_buf[backup_dir_len - 1] != '/') {
796 backup_dir_buf[backup_dir_len++] = '/';
797 backup_dir_buf[backup_dir_len] = '\0';
799 if (verbose > 1 && !am_sender)
800 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
801 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
802 snprintf(err_buf, sizeof err_buf,
803 "--suffix cannot be a null string without --backup-dir\n");
807 if (do_progress && !verbose)
811 bwlimit_writemax = (size_t)bwlimit * 128;
812 if (bwlimit_writemax < 512)
813 bwlimit_writemax = 512;
819 snprintf(err_buf, sizeof err_buf,
820 "--inplace cannot be used with --partial-dir\n");
825 snprintf(err_buf, sizeof err_buf,
826 "--inplace is not supported on this %s\n",
827 am_server ? "server" : "client");
831 snprintf(err_buf, sizeof err_buf,
832 "--inplace does not yet work with %s\n",
833 link_dest ? "--link-dest" : "--compare-dest");
837 if (keep_partial && !partial_dir)
838 partial_dir = getenv("RSYNC_PARTIAL_DIR");
840 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
842 else if (*partial_dir != '/') {
843 add_exclude(&exclude_list, partial_dir,
852 if (*argc > 2 || (!am_daemon && *argc == 1)) {
854 exit_cleanup(RERR_SYNTAX);
856 if (strcmp(files_from, "-") == 0) {
859 remote_filesfrom_file = "-";
861 else if ((colon = find_colon(files_from)) != 0) {
864 exit_cleanup(RERR_SYNTAX);
866 remote_filesfrom_file = colon+1 + (colon[1] == ':');
867 if (strcmp(remote_filesfrom_file, "-") == 0) {
868 snprintf(err_buf, sizeof err_buf,
869 "Invalid --files-from remote filename\n");
873 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
874 if (filesfrom_fd < 0) {
875 snprintf(err_buf, sizeof err_buf,
876 "failed to open files-from file %s: %s\n",
877 files_from, strerror(errno));
888 * Construct a filtered list of options to pass through from the
889 * client to the server.
891 * This involves setting options that will tell the server how to
892 * behave, and also filtering out options that are processed only
895 void server_options(char **args,int *argc)
898 static char argstr[50];
903 if (blocking_io == -1)
906 args[ac++] = "--server";
908 if (daemon_over_rsh) {
909 args[ac++] = "--daemon";
911 /* if we're passing --daemon, we're done */
916 args[ac++] = "--sender";
920 for (i = 0; i < verbose; i++)
923 /* the -q option is intentionally left out */
934 if (keep_dirlinks && am_sender)
939 /* We don't need to send --no-whole-file, because it's the
940 * default for remote transfers, and in any case old versions
941 * of rsync will not understand it. */
943 if (preserve_hard_links)
949 if (preserve_devices)
972 /* this is a complete hack - blame Rusty
974 this is a hack to make the list_only (remote file list)
976 if (list_only && !recurse)
985 if (asprintf(&arg, "-B%u", block_size) < 0)
990 if (max_delete && am_sender) {
991 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
997 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1003 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1009 args[ac++] = "--backup-dir";
1010 args[ac++] = backup_dir;
1013 /* Only send --suffix if it specifies a non-default value. */
1014 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1015 /* We use the following syntax to avoid weirdness with '~'. */
1016 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1022 if (delete_excluded)
1023 args[ac++] = "--delete-excluded";
1024 else if (delete_mode)
1025 args[ac++] = "--delete";
1028 args[ac++] = "--delete-after";
1031 args[ac++] = "--force";
1035 args[ac++] = "--size-only";
1037 if (modify_window_set) {
1038 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1043 if (checksum_seed) {
1044 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1049 if (partial_dir && am_sender) {
1050 args[ac++] = "--partial-dir";
1051 args[ac++] = partial_dir;
1052 } else if (keep_partial)
1053 args[ac++] = "--partial";
1056 args[ac++] = "--ignore-errors";
1058 if (copy_unsafe_links)
1059 args[ac++] = "--copy-unsafe-links";
1062 args[ac++] = "--safe-links";
1065 args[ac++] = "--numeric-ids";
1067 if (only_existing && am_sender)
1068 args[ac++] = "--existing";
1070 if (opt_ignore_existing && am_sender)
1071 args[ac++] = "--ignore-existing";
1074 args[ac++] = "--inplace";
1077 args[ac++] = "--temp-dir";
1078 args[ac++] = tmpdir;
1081 if (compare_dest && am_sender) {
1082 /* the server only needs this option if it is not the sender,
1083 * and it may be an older version that doesn't know this
1084 * option, so don't send it if client is the sender.
1086 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
1087 args[ac++] = compare_dest;
1090 if (files_from && (!am_sender || remote_filesfrom_file)) {
1091 if (remote_filesfrom_file) {
1092 args[ac++] = "--files-from";
1093 args[ac++] = remote_filesfrom_file;
1095 args[ac++] = "--from0";
1097 args[ac++] = "--files-from=-";
1098 args[ac++] = "--from0";
1106 out_of_memory("server_options");
1110 * Return the position of a ':' IF it is not part of a filename (i.e. as
1111 * long as it doesn't occur after a slash.
1113 char *find_colon(char *s)
1121 /* now check to see if there is a / in the string before the : - if there is then
1122 discard the colon on the assumption that the : is part of a filename */