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 struct exclude_struct **exclude_list;
29 * If 1, send the whole file as literal data rather than trying to
30 * create an incremental diff.
32 * If -1, then look at whether we're local or remote and go by that.
34 * @sa disable_deltas_p()
40 int preserve_links = 0;
41 int preserve_hard_links = 0;
42 int preserve_perms = 0;
43 int preserve_devices = 0;
46 int preserve_times = 0;
53 int delete_excluded=0;
54 int one_file_system=0;
55 int protocol_version = PROTOCOL_VERSION;
60 int relative_paths = -1;
70 char *files_from = NULL;
71 int filesfrom_fd = -1;
72 char *remote_filesfrom_file = NULL;
76 int daemon_over_rsh = 0;
81 int copy_unsafe_links=0;
86 int opt_ignore_existing=0;
91 unsigned int block_size = 0;
94 /** Network address family. **/
96 int default_af_hint = 0; /* Any protocol */
98 int default_af_hint = AF_INET; /* Must use IPv4 */
101 /** Do not go into the background when run as --daemon. Good
102 * for debugging and required for running as a service on W32,
103 * or under Unix process-monitors. **/
108 int backup_dir_len = 0;
109 int backup_suffix_len;
111 char *backup_suffix = NULL;
113 char *compare_dest = NULL;
114 char *config_file = NULL;
115 char *shell_cmd = NULL;
116 char *log_format = NULL;
117 char *password_file = NULL;
118 char *rsync_path = RSYNC_PATH;
119 char *backup_dir = NULL;
120 int rsync_port = RSYNC_PORT;
125 int always_checksum = 0;
128 #define MAX_BATCH_PREFIX_LEN 256 /* Must be less than MAXPATHLEN-13 */
129 char *batch_prefix = NULL;
131 static int daemon_opt; /* sets am_daemon after option error-reporting */
132 static int modify_window_set;
134 /** Local address to bind. As a character string because it's
135 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
136 * address, or a hostname. **/
140 static void print_rsync_version(enum logcode f)
142 char const *got_socketpair = "no ";
143 char const *hardlinks = "no ";
144 char const *links = "no ";
145 char const *ipv6 = "no ";
146 STRUCT_STAT *dumstat;
148 #ifdef HAVE_SOCKETPAIR
152 #if SUPPORT_HARD_LINKS
164 rprintf(f, "%s version %s protocol version %d\n",
165 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
167 "Copyright (C) 1996-2004 by Andrew Tridgell and others\n");
168 rprintf(f, "<http://rsync.samba.org/>\n");
169 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
170 "%shard links, %ssymlinks, batchfiles, \n",
171 (int) (sizeof(OFF_T) * 8),
172 got_socketpair, hardlinks, links);
174 /* Note that this field may not have type ino_t. It depends
175 * on the complicated interaction between largefile feature
177 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
179 (int) (sizeof(dumstat->st_ino) * 8),
180 (int) (sizeof(INO64_T) * 8));
181 #ifdef MAINTAINER_MODE
182 rprintf(f, " panic action: \"%s\"\n",
187 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
192 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
193 "are welcome to redistribute it under certain conditions. See the GNU\n"
194 "General Public Licence for details.\n"
199 void usage(enum logcode F)
201 print_rsync_version(F);
203 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
205 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
206 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
207 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
208 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
209 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
210 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
211 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
212 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
213 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
214 rprintf(F," sources separated by space as long as they have same top-level\n");
215 rprintf(F,"\nOptions\n");
216 rprintf(F," -v, --verbose increase verbosity\n");
217 rprintf(F," -q, --quiet decrease verbosity\n");
218 rprintf(F," -c, --checksum always checksum\n");
219 rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n");
220 rprintf(F," -r, --recursive recurse into directories\n");
221 rprintf(F," -R, --relative use relative path names\n");
222 rprintf(F," --no-relative turn off --relative\n");
223 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
224 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
225 rprintf(F," --backup-dir make backups into this directory\n");
226 rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
227 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
228 rprintf(F," -l, --links copy symlinks as symlinks\n");
229 rprintf(F," -L, --copy-links copy the referent of all symlinks\n");
230 rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n");
231 rprintf(F," --safe-links ignore \"unsafe\" symlinks\n");
232 rprintf(F," -H, --hard-links preserve hard links\n");
233 rprintf(F," -p, --perms preserve permissions\n");
234 rprintf(F," -o, --owner preserve owner (root only)\n");
235 rprintf(F," -g, --group preserve group\n");
236 rprintf(F," -D, --devices preserve devices (root only)\n");
237 rprintf(F," -t, --times preserve times\n");
238 rprintf(F," -S, --sparse handle sparse files efficiently\n");
239 rprintf(F," -n, --dry-run show what would have been transferred\n");
240 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
241 rprintf(F," --no-whole-file turn off --whole-file\n");
242 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
243 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
244 rprintf(F," -e, --rsh=COMMAND specify the remote shell\n");
245 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
246 rprintf(F," --existing only update files that already exist\n");
247 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
248 rprintf(F," --delete delete files that don't exist on the sending side\n");
249 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
250 rprintf(F," --delete-after receiver deletes after transferring, not before\n");
251 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
252 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
253 rprintf(F," --partial keep partially transferred files\n");
254 rprintf(F," --force force deletion of directories even if not empty\n");
255 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
256 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
257 rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n");
258 rprintf(F," --size-only ignore mod time for quick check (use size)\n");
259 rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n");
260 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
261 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
262 rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n");
263 rprintf(F," -P equivalent to --partial --progress\n");
264 rprintf(F," -z, --compress compress file data\n");
265 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
266 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
267 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
268 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
269 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
270 rprintf(F," --files-from=FILE read FILE for list of source-file names\n");
271 rprintf(F," -0 --from0 all *-from file lists are delimited by nulls\n");
272 rprintf(F," --version print version number\n");
273 rprintf(F," --daemon run as an rsync daemon\n");
274 rprintf(F," --no-detach do not detach from the parent\n");
275 rprintf(F," --address=ADDRESS bind to the specified address\n");
276 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
277 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
278 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
279 rprintf(F," --no-blocking-io turn off --blocking-io\n");
280 rprintf(F," --stats give some file transfer stats\n");
281 rprintf(F," --progress show progress during transfer\n");
282 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
283 rprintf(F," --password-file=FILE get password from FILE\n");
284 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
285 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
286 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
287 rprintf(F," -h, --help show this help screen\n");
289 rprintf(F," -4 prefer IPv4\n");
290 rprintf(F," -6 prefer IPv6\n");
295 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
296 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
299 enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
300 OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST,
301 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
302 OPT_READ_BATCH, OPT_WRITE_BATCH};
304 static struct poptOption long_options[] = {
305 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
306 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
307 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
308 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
309 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
310 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
311 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
312 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
313 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
314 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
315 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
316 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
317 {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 },
318 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
319 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
320 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
321 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
322 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
323 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
324 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
325 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
326 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
327 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
328 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
329 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
330 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
331 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
332 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
333 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
334 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
335 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
336 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
337 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
338 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
339 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
340 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
341 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
342 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
343 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
344 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
345 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
346 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
347 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
348 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
349 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
350 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
351 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
352 {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 },
353 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
354 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
355 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
356 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 },
357 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
358 /* TODO: Should this take an optional int giving the compression level? */
359 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
360 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
361 {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 },
362 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
363 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
364 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
365 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
366 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
367 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
368 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
369 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
370 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
371 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
372 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
373 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
374 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
375 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
376 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
377 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
378 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
379 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
380 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
381 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
383 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
384 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
390 static char err_buf[100];
394 * Store the option error message, if any, so that we can log the
395 * connection attempt (which requires parsing the options), and then
396 * show the error later on.
398 void option_error(void)
401 rprintf(FLOG, "%s", err_buf);
402 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
404 rprintf (FERROR, "Error parsing options: "
405 "option may be supported on client but not on server?\n");
406 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
407 "option may be supported on client but not on server?\n");
413 * Check to see if we should refuse this option
415 static int check_refuse_options(char *ref, int opt)
421 for (i=0; long_options[i].longName; i++) {
422 if (long_options[i].val == opt) break;
425 if (!long_options[i].longName) return 0;
427 name = long_options[i].longName;
430 while ((p = strstr(ref,name))) {
431 if ((p==ref || p[-1]==' ') &&
432 (p[len] == ' ' || p[len] == 0)) {
433 snprintf(err_buf,sizeof(err_buf),
434 "The '%s' option is not supported by this server\n", name);
443 static int count_args(char const **argv)
447 while (argv[i] != NULL)
455 * Process command line arguments. Called on both local and remote.
457 * @retval 1 if all options are OK; with globals set to appropriate
460 * @retval 0 on error, with err_buf containing an explanation
462 int parse_arguments(int *argc, const char ***argv, int frommain)
465 char *ref = lp_refuse_options(module_id);
468 /* TODO: Call poptReadDefaultConfig; handle errors. */
470 /* The context leaks in case of an error, but if there's a
471 * problem we always exit anyhow. */
472 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
474 while ((opt = poptGetNextOpt(pc)) != -1) {
476 if (check_refuse_options(ref, opt)) return 0;
479 /* most options are handled automatically by popt;
480 * only special cases are returned and listed here. */
484 print_rsync_version(FINFO);
487 case OPT_MODIFY_WINDOW:
488 /* The value has already been set by popt, but
489 * we need to remember that we're using a
490 * non-default setting. */
491 modify_window_set = 1;
494 case OPT_DELETE_AFTER:
499 case OPT_DELETE_EXCLUDED:
505 add_exclude(&exclude_list, poptGetOptArg(pc),
510 add_exclude(&exclude_list, poptGetOptArg(pc),
514 case OPT_EXCLUDE_FROM:
515 add_exclude_file(&exclude_list, poptGetOptArg(pc),
516 MISSING_FATAL, ADD_EXCLUDE);
519 case OPT_INCLUDE_FROM:
520 add_exclude_file(&exclude_list, poptGetOptArg(pc),
521 MISSING_FATAL, ADD_INCLUDE);
533 if (frommain) quiet++;
539 exit_cleanup(RERR_SYNTAX);
549 case OPT_WRITE_BATCH:
550 /* popt stores the filename in batch_prefix for us */
555 /* popt stores the filename in batch_prefix for us */
561 compare_dest = (char *)poptGetOptArg(pc);
565 snprintf(err_buf, sizeof err_buf,
566 "hard links are not supported on this %s\n",
567 am_server ? "server" : "client");
568 rprintf(FERROR, "ERROR: %s", err_buf);
574 snprintf(err_buf, sizeof(err_buf),
576 am_server ? "on remote machine: " : "",
577 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
584 if (preserve_links && !am_sender) {
585 snprintf(err_buf, sizeof err_buf,
586 "symlinks are not supported on this %s\n",
587 am_server ? "server" : "client");
588 rprintf(FERROR, "ERROR: %s", err_buf);
593 #if !SUPPORT_HARD_LINKS
594 if (preserve_hard_links) {
595 snprintf(err_buf, sizeof err_buf,
596 "hard links are not supported on this %s\n",
597 am_server ? "server" : "client");
598 rprintf(FERROR, "ERROR: %s", err_buf);
603 if (write_batch && read_batch) {
605 "write-batch and read-batch can not be used together\n");
606 exit_cleanup(RERR_SYNTAX);
608 if (batch_prefix && strlen(batch_prefix) > MAX_BATCH_PREFIX_LEN) {
610 "the batch-file prefix must be %d characters or less.\n",
611 MAX_BATCH_PREFIX_LEN);
612 exit_cleanup(RERR_SYNTAX);
615 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
616 rprintf(FERROR, "the --temp-dir path is WAY too long.\n");
617 exit_cleanup(RERR_SYNTAX);
620 if (do_compression && (write_batch || read_batch)) {
622 "compress can not be used with write-batch or read-batch\n");
623 exit_cleanup(RERR_SYNTAX);
636 preserve_devices = 1;
639 if (relative_paths < 0)
640 relative_paths = files_from? 1 : 0;
643 backup_suffix = backup_dir? "" : BACKUP_SUFFIX;
644 backup_suffix_len = strlen(backup_suffix);
645 if (strchr(backup_suffix, '/') != NULL) {
646 rprintf(FERROR, "--suffix cannot contain slashes: %s\n",
648 exit_cleanup(RERR_SYNTAX);
651 backup_dir_len = strlen(backup_dir);
652 else if (!backup_suffix_len) {
654 "--suffix cannot be a null string without --backup-dir\n");
655 exit_cleanup(RERR_SYNTAX);
658 if (do_progress && !verbose)
661 *argv = poptGetArgs(pc);
663 *argc = count_args(*argv);
671 exit_cleanup(RERR_SYNTAX);
673 if (strcmp(files_from, "-") == 0) {
676 remote_filesfrom_file = "-";
678 else if ((colon = find_colon(files_from)) != 0) {
681 exit_cleanup(RERR_SYNTAX);
683 remote_filesfrom_file = colon+1 + (colon[1] == ':');
684 if (strcmp(remote_filesfrom_file, "-") == 0) {
685 rprintf(FERROR, "Invalid --files-from remote filename\n");
686 exit_cleanup(RERR_SYNTAX);
689 extern int sanitize_paths;
690 if (sanitize_paths) {
691 files_from = strdup(files_from);
692 sanitize_path(files_from, NULL);
694 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
695 if (filesfrom_fd < 0) {
696 rsyserr(FERROR, errno,
697 "failed to open files-from file %s",
699 exit_cleanup(RERR_FILEIO);
712 * Construct a filtered list of options to pass through from the
713 * client to the server.
715 * This involves setting options that will tell the server how to
716 * behave, and also filtering out options that are processed only
719 void server_options(char **args,int *argc)
722 static char argstr[50];
723 static char bsize[30];
724 static char iotime[30];
725 static char mdelete[30];
726 static char mwindow[30];
728 /* Leave room for ``--(write|read)-batch='' */
729 static char fext[MAX_BATCH_PREFIX_LEN + 15];
733 if (blocking_io == -1)
736 args[ac++] = "--server";
738 if (daemon_over_rsh) {
739 args[ac++] = "--daemon";
741 /* if we're passing --daemon, we're done */
746 args[ac++] = "--sender";
750 for (i=0;i<verbose;i++)
753 /* the -q option is intentionally left out */
767 /* We don't need to send --no-whole-file, because it's the
768 * default for remote transfers, and in any case old versions
769 * of rsync will not understand it. */
771 if (preserve_hard_links)
777 if (preserve_devices)
800 /* this is a complete hack - blame Rusty
802 this is a hack to make the list_only (remote file list)
804 if (list_only && !recurse)
809 if (x != 1) args[ac++] = argstr;
812 snprintf(bsize, sizeof bsize, "-B%u", block_size);
816 if (max_delete && am_sender) {
817 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
818 args[ac++] = mdelete;
821 if (batch_prefix != NULL) {
824 fmt = "--write-batch=%s";
827 fmt = "--read-batch=%s";
828 snprintf(fext,sizeof(fext),fmt,batch_prefix);
833 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
838 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
843 args[ac++] = "--backup-dir";
844 args[ac++] = backup_dir;
847 /* Only send --suffix if it specifies a non-default value. */
848 if (strcmp(backup_suffix, backup_dir? "" : BACKUP_SUFFIX) != 0) {
849 char *s = new_array(char, 9+backup_suffix_len+1);
851 out_of_memory("server_options");
852 /* We use the following syntax to avoid weirdness with '~'. */
853 sprintf(s, "--suffix=%s", backup_suffix);
857 if (delete_mode && !delete_excluded)
858 args[ac++] = "--delete";
861 args[ac++] = "--delete-excluded";
864 args[ac++] = "--size-only";
866 if (modify_window_set) {
867 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
869 args[ac++] = mwindow;
873 args[ac++] = "--partial";
876 args[ac++] = "--force";
879 args[ac++] = "--delete-after";
882 args[ac++] = "--ignore-errors";
884 if (copy_unsafe_links)
885 args[ac++] = "--copy-unsafe-links";
888 args[ac++] = "--safe-links";
891 args[ac++] = "--numeric-ids";
893 if (only_existing && am_sender)
894 args[ac++] = "--existing";
896 if (opt_ignore_existing && am_sender)
897 args[ac++] = "--ignore-existing";
900 args[ac++] = "--temp-dir";
904 if (compare_dest && am_sender) {
905 /* the server only needs this option if it is not the sender,
906 * and it may be an older version that doesn't know this
907 * option, so don't send it if client is the sender.
909 args[ac++] = link_dest ? "--link-dest" : "--compare-dest";
910 args[ac++] = compare_dest;
913 if (files_from && (!am_sender || remote_filesfrom_file)) {
914 if (remote_filesfrom_file) {
915 args[ac++] = "--files-from";
916 args[ac++] = remote_filesfrom_file;
918 args[ac++] = "--from0";
920 args[ac++] = "--files-from=-";
921 args[ac++] = "--from0";
929 * Return the position of a ':' IF it is not part of a filename (i.e. as
930 * long as it doesn't occur after a slash.
932 char *find_colon(char *s)
939 /* now check to see if there is a / in the string before the : - if there is then
940 discard the colon on the assumption that the : is part of a filename */
942 if (p2 && p2 < p) return NULL;