1 /* -*- c-file-style: "linux" -*-
3 * Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org>
4 * Copyright (C) 2000, 2001, 2002 by Martin Pool <mbp@samba.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 extern int sanitize_paths;
26 extern struct filter_list_struct filter_list;
27 extern struct filter_list_struct server_filter_list;
32 * If 1, send the whole file as literal data rather than trying to
33 * create an incremental diff.
35 * If -1, then look at whether we're local or remote and go by that.
37 * @sa disable_deltas_p()
42 int keep_dirlinks = 0;
44 int preserve_links = 0;
45 int preserve_hard_links = 0;
46 int preserve_perms = 0;
47 int preserve_devices = 0;
50 int preserve_times = 0;
51 int omit_dir_times = 0;
58 int delete_during = 0;
59 int delete_before = 0;
61 int delete_excluded = 0;
62 int remove_sent_files = 0;
63 int one_file_system = 0;
64 int protocol_version = PROTOCOL_VERSION;
66 int do_compression = 0;
71 int am_starting_up = 1;
73 int relative_paths = -1;
79 char *files_from = NULL;
80 int filesfrom_fd = -1;
81 char *filesfrom_host = NULL;
86 int daemon_over_rsh = 0;
90 int safe_symlinks = 0;
91 int copy_unsafe_links = 0;
93 int daemon_bwlimit = 0;
96 size_t bwlimit_writemax = 0;
97 int only_existing = 0;
98 int opt_ignore_existing = 0;
99 int need_messages_from_generator = 0;
102 int ignore_errors = 0;
103 int modify_window = 0;
104 int blocking_io = -1;
105 int checksum_seed = 0;
107 int delay_updates = 0;
108 long block_size = 0; /* "long" because popt can't set an int32. */
111 /** Network address family. **/
113 int default_af_hint = 0; /* Any protocol */
115 int default_af_hint = AF_INET; /* Must use IPv4 */
118 /** Do not go into the background when run as --daemon. Good
119 * for debugging and required for running as a service on W32,
120 * or under Unix process-monitors. **/
122 #if defined _WIN32 || defined __WIN32__
130 int backup_dir_len = 0;
131 int backup_suffix_len;
132 unsigned int backup_dir_remainder;
134 char *backup_suffix = NULL;
136 char *partial_dir = NULL;
137 char *basis_dir[MAX_BASIS_DIRS+1];
138 char *config_file = NULL;
139 char *shell_cmd = NULL;
140 char *log_format = NULL;
141 char *password_file = NULL;
142 char *rsync_path = RSYNC_PATH;
143 char *backup_dir = NULL;
144 char backup_dir_buf[MAXPATHLEN];
146 int compare_dest = 0;
149 int basis_dir_cnt = 0;
150 char *dest_option = NULL;
154 int log_before_transfer = 0;
155 int log_format_has_i = 0;
156 int log_format_has_o_or_i = 0;
157 int always_checksum = 0;
160 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
161 char *batch_name = NULL;
163 static int daemon_opt; /* sets am_daemon after option error-reporting */
164 static int F_option_cnt = 0;
165 static int modify_window_set;
166 static int itemize_changes = 0;
167 static int refused_delete, refused_archive_part;
168 static int refused_partial, refused_progress, refused_delete_before;
169 static char *max_size_arg;
170 static char partialdir_for_delayupdate[] = ".~tmp~";
172 /** Local address to bind. As a character string because it's
173 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
174 * address, or a hostname. **/
178 static void print_rsync_version(enum logcode f)
180 char const *got_socketpair = "no ";
181 char const *have_inplace = "no ";
182 char const *hardlinks = "no ";
183 char const *links = "no ";
184 char const *ipv6 = "no ";
185 STRUCT_STAT *dumstat;
187 #ifdef HAVE_SOCKETPAIR
191 #ifdef HAVE_FTRUNCATE
195 #ifdef SUPPORT_HARD_LINKS
207 rprintf(f, "%s version %s protocol version %d\n",
208 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
210 "Copyright (C) 1996-2005 by Andrew Tridgell and others\n");
211 rprintf(f, "<http://rsync.samba.org/>\n");
212 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
213 "%shard links, %ssymlinks, batchfiles, \n",
214 (int) (sizeof (OFF_T) * 8),
215 got_socketpair, hardlinks, links);
217 /* Note that this field may not have type ino_t. It depends
218 * on the complicated interaction between largefile feature
220 rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n",
222 (int) (sizeof dumstat->st_ino * 8),
223 (int) (sizeof (int64) * 8));
224 #ifdef MAINTAINER_MODE
225 rprintf(f, " panic action: \"%s\"\n",
230 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
232 if (sizeof (int64) != SIZEOF_INT64) {
234 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
235 (int) SIZEOF_INT64, (int) sizeof (int64));
240 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
241 "are welcome to redistribute it under certain conditions. See the GNU\n"
242 "General Public Licence for details.\n"
247 void usage(enum logcode F)
249 print_rsync_version(F);
251 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
253 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
254 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
255 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
256 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
257 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
258 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
259 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
260 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
261 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
262 rprintf(F," sources separated by space as long as they have same top-level\n");
263 rprintf(F,"\nOptions\n");
264 rprintf(F," -v, --verbose increase verbosity\n");
265 rprintf(F," -q, --quiet suppress non-error messages\n");
266 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
267 rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n");
268 rprintf(F," -r, --recursive recurse into directories\n");
269 rprintf(F," -R, --relative use relative path names\n");
270 rprintf(F," --no-relative turn off --relative\n");
271 rprintf(F," --no-implied-dirs don't send implied dirs with -R\n");
272 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
273 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
274 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
275 rprintf(F," -u, --update skip files that are newer on the receiver\n");
276 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
277 rprintf(F," -d, --dirs transfer directories without recursing\n");
278 rprintf(F," -l, --links copy symlinks as symlinks\n");
279 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
280 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
281 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
282 rprintf(F," -H, --hard-links preserve hard links\n");
283 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
284 rprintf(F," -p, --perms preserve permissions\n");
285 rprintf(F," -o, --owner preserve owner (root only)\n");
286 rprintf(F," -g, --group preserve group\n");
287 rprintf(F," -D, --devices preserve devices (root only)\n");
288 rprintf(F," -t, --times preserve times\n");
289 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
290 rprintf(F," -S, --sparse handle sparse files efficiently\n");
291 rprintf(F," -n, --dry-run show what would have been transferred\n");
292 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
293 rprintf(F," --no-whole-file always use incremental rsync algorithm\n");
294 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
295 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
296 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
297 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
298 rprintf(F," --existing only update files that already exist on receiver\n");
299 rprintf(F," --ignore-existing ignore files that already exist on receiving side\n");
300 rprintf(F," --remove-sent-files sent files/symlinks are removed from sending side\n");
301 rprintf(F," --del an alias for --delete-during\n");
302 rprintf(F," --delete delete files that don't exist on the sending side\n");
303 rprintf(F," --delete-before receiver deletes before transfer (default)\n");
304 rprintf(F," --delete-during receiver deletes during transfer, not before\n");
305 rprintf(F," --delete-after receiver deletes after transfer, not before\n");
306 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
307 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
308 rprintf(F," --force force deletion of directories even if not empty\n");
309 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
310 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
311 rprintf(F," --partial keep partially transferred files\n");
312 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
313 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
314 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
315 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
316 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
317 rprintf(F," --size-only skip files that match in size\n");
318 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
319 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
320 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
321 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
322 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
323 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
324 rprintf(F," -z, --compress compress file data during the transfer\n");
325 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
326 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
327 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
328 rprintf(F," repeated: --filter='- .rsync-filter'\n");
329 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
330 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
331 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
332 rprintf(F," --include-from=FILE read include patterns from FILE\n");
333 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
334 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
335 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
336 rprintf(F," --port=PORT specify double-colon alternate port number\n");
337 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
338 rprintf(F," --no-blocking-io turn off blocking I/O when it is the default\n");
339 rprintf(F," --stats give some file-transfer stats\n");
340 rprintf(F," --progress show progress during transfer\n");
341 rprintf(F," -P same as --partial --progress\n");
342 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
343 rprintf(F," --log-format=FORMAT output filenames using the specified format\n");
344 rprintf(F," --password-file=FILE read password from FILE\n");
345 rprintf(F," --list-only list the files instead of copying them\n");
346 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
347 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
348 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
349 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
350 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
352 rprintf(F," -4, --ipv4 prefer IPv4\n");
353 rprintf(F," -6, --ipv6 prefer IPv6\n");
355 rprintf(F," --version print version number\n");
356 rprintf(F," -h, --help show this help screen\n");
358 rprintf(F,"\nUse \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
359 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
360 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
363 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
364 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST,
365 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
366 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
367 OPT_REFUSED_BASE = 9000};
369 static struct poptOption long_options[] = {
370 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
371 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
372 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
373 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
374 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
375 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
376 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
377 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
378 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 },
379 {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 },
380 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 },
381 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
382 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
383 {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 },
384 {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
385 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
386 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
387 {"remove-sent-files",0, POPT_ARG_NONE, &remove_sent_files, 0, 0, 0 },
388 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
389 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
390 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
391 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
392 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
393 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
394 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
395 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
396 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
397 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
398 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
399 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
400 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
401 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
402 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
403 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
404 {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 },
405 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
406 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
407 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
408 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
409 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
410 {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 },
411 {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 },
412 {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 },
413 {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 },
414 {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 },
415 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
416 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
417 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
418 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
419 {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 },
420 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
421 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
422 {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 },
423 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
424 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
425 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
426 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
427 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
428 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
429 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
430 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
431 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
432 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
433 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
434 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
435 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
436 /* TODO: Should this take an optional int giving the compression level? */
437 {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 },
438 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
439 {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 },
440 {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 },
441 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
442 {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 },
443 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
444 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
445 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
446 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
447 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
448 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
449 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
450 {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
451 {"itemize-changes", 'i', POPT_ARG_NONE, &itemize_changes, 0, 0, 0 },
452 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
453 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
454 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 },
455 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
456 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
457 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
458 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
459 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
460 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
461 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
462 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
464 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
465 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
467 /* All these options switch us into daemon-mode option-parsing. */
468 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
469 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
470 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
471 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
475 static void daemon_usage(enum logcode F)
477 print_rsync_version(F);
479 rprintf(F,"\nUsage: rsync --daemon [OPTION]...\n");
480 rprintf(F," --address=ADDRESS bind to the specified address\n");
481 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
482 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
483 rprintf(F," --no-detach do not detach from the parent\n");
484 rprintf(F," --port=PORT listen on alternate port number\n");
485 rprintf(F," -v, --verbose increase verbosity\n");
487 rprintf(F," -4, --ipv4 prefer IPv4\n");
488 rprintf(F," -6, --ipv6 prefer IPv6\n");
490 rprintf(F," -h, --help show this help screen\n");
492 rprintf(F,"\nIf you were not trying to invoke rsync as a daemon, avoid using any of the\n");
493 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
496 static struct poptOption long_daemon_options[] = {
497 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
498 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
499 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
500 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
501 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
503 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
504 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
506 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
507 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
508 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
509 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
510 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
511 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
512 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
517 static char err_buf[200];
521 * Store the option error message, if any, so that we can log the
522 * connection attempt (which requires parsing the options), and then
523 * show the error later on.
525 void option_error(void)
528 strcpy(err_buf, "Error parsing options: "
529 "option may be supported on client but not on server?\n");
532 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
537 * Tweak the option table to disable all options that the rsyncd.conf
538 * file has told us to refuse.
540 static void set_refuse_options(char *bp)
542 struct poptOption *op;
543 char *cp, shortname[2];
544 int is_wild, found_match;
549 while (*bp == ' ') bp++;
552 if ((cp = strchr(bp, ' ')) != NULL)
554 is_wild = strpbrk(bp, "*?[") != NULL;
556 for (op = long_options; ; op++) {
557 *shortname = op->shortName;
558 if (!op->longName && !*shortname)
560 if ((op->longName && wildmatch(bp, op->longName))
561 || (*shortname && wildmatch(bp, shortname))) {
562 if (op->argInfo == POPT_ARG_VAL)
563 op->argInfo = POPT_ARG_NONE;
564 op->val = (op - long_options) + OPT_REFUSED_BASE;
566 /* These flags are set to let us easily check
567 * an implied option later in the code. */
568 switch (*shortname) {
569 case 'r': case 'd': case 'l': case 'p':
570 case 't': case 'g': case 'o': case 'D':
571 refused_archive_part = op->val;
574 if (wildmatch("delete", op->longName))
575 refused_delete = op->val;
576 else if (wildmatch("delete-before", op->longName))
577 refused_delete_before = op->val;
578 else if (wildmatch("partial", op->longName))
579 refused_partial = op->val;
580 else if (wildmatch("progress", op->longName))
581 refused_progress = op->val;
589 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
598 for (op = long_options; ; op++) {
599 *shortname = op->shortName;
600 if (!op->longName && !*shortname)
602 if (op->val == OPT_DAEMON) {
603 if (op->argInfo == POPT_ARG_VAL)
604 op->argInfo = POPT_ARG_NONE;
605 op->val = (op - long_options) + OPT_REFUSED_BASE;
611 static int count_args(const char **argv)
616 while (argv[i] != NULL)
624 static OFF_T parse_size_arg(const char *size_arg)
629 for (arg = size_arg; isdigit(*(uchar*)arg); arg++) {}
631 for (arg++; isdigit(*(uchar*)arg); arg++) {}
634 size = atof(size_arg) * 1024;
637 size = atof(size_arg) * 1024*1024;
640 size = atof(size_arg) * 1024*1024*1024;
643 size = atof(size_arg);
653 static void create_refuse_error(int which)
655 /* The "which" value is the index + OPT_REFUSED_BASE. */
656 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
657 int n = snprintf(err_buf, sizeof err_buf,
658 "The server is configured to refuse --%s\n",
661 snprintf(err_buf + n, sizeof err_buf - n,
662 " (-%c)\n", op->shortName);
668 * Process command line arguments. Called on both local and remote.
670 * @retval 1 if all options are OK; with globals set to appropriate
673 * @retval 0 on error, with err_buf containing an explanation
675 int parse_arguments(int *argc, const char ***argv, int frommain)
678 char *ref = lp_refuse_options(module_id);
683 set_refuse_options(ref);
685 /* TODO: Call poptReadDefaultConfig; handle errors. */
687 /* The context leaks in case of an error, but if there's a
688 * problem we always exit anyhow. */
689 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
690 poptReadDefaultConfig(pc, 0);
692 while ((opt = poptGetNextOpt(pc)) != -1) {
693 /* most options are handled automatically by popt;
694 * only special cases are returned and listed here. */
698 print_rsync_version(FINFO);
703 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
707 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
708 long_daemon_options, 0);
709 while ((opt = poptGetNextOpt(pc)) != -1) {
721 "rsync: %s: %s (in daemon mode)\n",
722 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
728 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
731 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
732 exit_cleanup(RERR_SYNTAX);
734 *argv = poptGetArgs(pc);
735 *argc = count_args(*argv);
741 case OPT_MODIFY_WINDOW:
742 /* The value has already been set by popt, but
743 * we need to remember that we're using a
744 * non-default setting. */
745 modify_window_set = 1;
749 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
753 parse_rule(&filter_list, poptGetOptArg(pc),
754 0, XFLG_OLD_PREFIXES);
758 parse_rule(&filter_list, poptGetOptArg(pc),
759 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
762 case OPT_EXCLUDE_FROM:
763 case OPT_INCLUDE_FROM:
764 arg = poptGetOptArg(pc);
766 arg = sanitize_path(NULL, arg, NULL, 0);
767 if (server_filter_list.head) {
768 char *cp = (char *)arg;
770 goto options_rejected;
772 if (check_filter(&server_filter_list, cp, 0) < 0)
773 goto options_rejected;
775 parse_filter_file(&filter_list, arg,
776 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
777 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
796 exit_cleanup(RERR_SYNTAX);
802 switch (++F_option_cnt) {
804 parse_rule(&filter_list,": /.rsync-filter",0,0);
807 parse_rule(&filter_list,"- .rsync-filter",0,0);
813 if (refused_partial || refused_progress) {
814 create_refuse_error(refused_partial
815 ? refused_partial : refused_progress);
822 case OPT_WRITE_BATCH:
823 /* batch_name is already set */
827 case OPT_ONLY_WRITE_BATCH:
828 /* batch_name is already set */
833 /* batch_name is already set */
838 if ((max_size = parse_size_arg(max_size_arg)) <= 0) {
839 snprintf(err_buf, sizeof err_buf,
840 "--max-size value is invalid: %s\n",
849 dest_option = "--link-dest";
852 snprintf(err_buf, sizeof err_buf,
853 "hard links are not supported on this %s\n",
854 am_server ? "server" : "client");
860 dest_option = "--copy-dest";
863 case OPT_COMPARE_DEST:
865 dest_option = "--compare-dest";
867 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
868 snprintf(err_buf, sizeof err_buf,
869 "ERROR: at most %d %s args may be specified\n",
870 MAX_BASIS_DIRS, dest_option);
873 arg = poptGetOptArg(pc);
875 arg = sanitize_path(NULL, arg, NULL, 0);
876 basis_dir[basis_dir_cnt++] = (char *)arg;
880 /* A large opt value means that set_refuse_options()
881 * turned this option off. */
882 if (opt >= OPT_REFUSED_BASE) {
883 create_refuse_error(opt);
886 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
887 am_server ? "on remote machine: " : "",
888 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
894 #ifndef SUPPORT_LINKS
895 if (preserve_links && !am_sender) {
896 snprintf(err_buf, sizeof err_buf,
897 "symlinks are not supported on this %s\n",
898 am_server ? "server" : "client");
903 #ifndef SUPPORT_HARD_LINKS
904 if (preserve_hard_links) {
905 snprintf(err_buf, sizeof err_buf,
906 "hard links are not supported on this %s\n",
907 am_server ? "server" : "client");
912 if (write_batch && read_batch) {
913 snprintf(err_buf, sizeof err_buf,
914 "--write-batch and --read-batch can not be used together\n");
917 if (write_batch > 0 || read_batch) {
920 "ignoring --%s-batch option sent to server\n",
921 write_batch ? "write" : "read");
922 /* We don't actually exit_cleanup(), so that we can
923 * still service older version clients that still send
924 * batch args to server. */
925 read_batch = write_batch = 0;
930 if (read_batch && files_from) {
931 snprintf(err_buf, sizeof err_buf,
932 "--read-batch cannot be used with --files-from\n");
935 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
936 snprintf(err_buf, sizeof err_buf,
937 "the batch-file name must be %d characters or less.\n",
942 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
943 snprintf(err_buf, sizeof err_buf,
944 "the --temp-dir path is WAY too long.\n");
948 if (compare_dest + copy_dest + link_dest > 1) {
949 snprintf(err_buf, sizeof err_buf,
950 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
955 if (refused_archive_part) {
956 create_refuse_error(refused_archive_part);
968 preserve_devices = 1;
971 if (recurse || list_only || files_from)
974 if (relative_paths < 0)
975 relative_paths = files_from? 1 : 0;
977 if (!!delete_before + delete_during + delete_after > 1) {
978 snprintf(err_buf, sizeof err_buf,
979 "You may not combine multiple --delete-WHEN options.\n");
983 delete_before = delete_during = delete_after = 0;
984 delete_mode = delete_excluded = 0;
985 } else if (delete_before || delete_during || delete_after)
987 else if (delete_mode || delete_excluded) {
988 if (refused_delete_before) {
989 create_refuse_error(refused_delete_before);
992 delete_mode = delete_before = 1;
995 if (delete_mode && refused_delete) {
996 create_refuse_error(refused_delete);
1000 if (remove_sent_files) {
1001 /* We only want to infer this refusal of --remove-sent-files
1002 * via the refusal of "delete", not any of the "delete-FOO"
1004 if (refused_delete && am_sender) {
1005 create_refuse_error(refused_delete);
1008 need_messages_from_generator = 1;
1011 *argv = poptGetArgs(pc);
1012 *argc = count_args(*argv);
1014 if (sanitize_paths) {
1016 for (i = *argc; i-- > 0; )
1017 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
1019 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1021 partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
1023 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
1025 if (server_filter_list.head && !am_sender) {
1026 struct filter_list_struct *elp = &server_filter_list;
1030 goto options_rejected;
1031 clean_fname(tmpdir, 1);
1032 if (check_filter(elp, tmpdir, 1) < 0)
1033 goto options_rejected;
1035 if (partial_dir && *partial_dir) {
1036 clean_fname(partial_dir, 1);
1037 if (check_filter(elp, partial_dir, 1) < 0)
1038 goto options_rejected;
1040 for (i = 0; i < basis_dir_cnt; i++) {
1042 goto options_rejected;
1043 clean_fname(basis_dir[i], 1);
1044 if (check_filter(elp, basis_dir[i], 1) < 0)
1045 goto options_rejected;
1049 goto options_rejected;
1050 clean_fname(backup_dir, 1);
1051 if (check_filter(elp, backup_dir, 1) < 0) {
1053 snprintf(err_buf, sizeof err_buf,
1054 "Your options have been rejected by the server.\n");
1061 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1062 backup_suffix_len = strlen(backup_suffix);
1063 if (strchr(backup_suffix, '/') != NULL) {
1064 snprintf(err_buf, sizeof err_buf,
1065 "--suffix cannot contain slashes: %s\n",
1070 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1071 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1072 if (backup_dir_remainder < 32) {
1073 snprintf(err_buf, sizeof err_buf,
1074 "the --backup-dir path is WAY too long.\n");
1077 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1078 backup_dir_buf[backup_dir_len++] = '/';
1079 backup_dir_buf[backup_dir_len] = '\0';
1081 if (verbose > 1 && !am_sender) {
1082 rprintf(FINFO, "backup_dir is %s\n",
1083 safe_fname(backup_dir_buf));
1085 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1086 snprintf(err_buf, sizeof err_buf,
1087 "--suffix cannot be a null string without --backup-dir\n");
1090 if (make_backups && !backup_dir)
1094 if (log_format_has(log_format, 'i'))
1095 log_format_has_i = 1;
1096 if (!log_format_has(log_format, 'b')
1097 && !log_format_has(log_format, 'c'))
1098 log_before_transfer = !am_server;
1099 } else if (itemize_changes) {
1100 log_format = "%i %n%L";
1101 log_format_has_i = 1;
1102 log_before_transfer = !am_server;
1105 if ((do_progress || dry_run) && !verbose && !log_before_transfer
1112 set_io_timeout(io_timeout);
1114 if (verbose && !log_format) {
1115 log_format = "%n%L";
1116 log_before_transfer = !am_server;
1118 if (log_format_has_i || log_format_has(log_format, 'o'))
1119 log_format_has_o_or_i = 1;
1121 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1122 bwlimit = daemon_bwlimit;
1124 bwlimit_writemax = (size_t)bwlimit * 128;
1125 if (bwlimit_writemax < 512)
1126 bwlimit_writemax = 512;
1129 if (delay_updates && !partial_dir)
1130 partial_dir = partialdir_for_delayupdate;
1133 #ifdef HAVE_FTRUNCATE
1135 snprintf(err_buf, sizeof err_buf,
1136 "--inplace cannot be used with --%s\n",
1137 delay_updates ? "delay-updates" : "partial-dir");
1140 /* --inplace implies --partial for refusal purposes, but we
1141 * clear the keep_partial flag for internal logic purposes. */
1142 if (refused_partial) {
1143 create_refuse_error(refused_partial);
1148 snprintf(err_buf, sizeof err_buf,
1149 "--inplace is not supported on this %s\n",
1150 am_server ? "server" : "client");
1154 if (keep_partial && !partial_dir) {
1155 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1156 partial_dir = strdup(arg);
1160 clean_fname(partial_dir, 1);
1161 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1163 else if (*partial_dir != '/') {
1164 parse_rule(&filter_list, partial_dir,
1165 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
1167 if (!partial_dir && refused_partial) {
1168 create_refuse_error(refused_partial);
1178 if (*argc > 2 || (!am_daemon && *argc == 1)) {
1180 exit_cleanup(RERR_SYNTAX);
1182 if (strcmp(files_from, "-") == 0) {
1185 filesfrom_host = ""; /* reading from socket */
1186 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1188 snprintf(err_buf, sizeof err_buf,
1189 "The --files-from sent to the server cannot specify a host.\n");
1194 if (strcmp(files_from, "-") == 0) {
1195 snprintf(err_buf, sizeof err_buf,
1196 "Invalid --files-from remote filename\n");
1201 files_from = sanitize_path(NULL, files_from, NULL, 0);
1202 if (server_filter_list.head) {
1204 goto options_rejected;
1205 clean_fname(files_from, 1);
1206 if (check_filter(&server_filter_list, files_from, 0) < 0)
1207 goto options_rejected;
1209 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1210 if (filesfrom_fd < 0) {
1211 snprintf(err_buf, sizeof err_buf,
1212 "failed to open files-from file %s: %s\n",
1213 files_from, strerror(errno));
1226 * Construct a filtered list of options to pass through from the
1227 * client to the server.
1229 * This involves setting options that will tell the server how to
1230 * behave, and also filtering out options that are processed only
1233 void server_options(char **args,int *argc)
1235 static char argstr[64];
1241 if (blocking_io == -1)
1244 args[ac++] = "--server";
1246 if (daemon_over_rsh) {
1247 args[ac++] = "--daemon";
1249 /* if we're passing --daemon, we're done */
1254 args[ac++] = "--sender";
1258 for (i = 0; i < verbose; i++)
1261 /* the -q option is intentionally left out */
1266 if (!do_xfers) /* NOT "dry_run"! */
1274 if (keep_dirlinks && am_sender)
1279 /* We don't need to send --no-whole-file, because it's the
1280 * default for remote transfers, and in any case old versions
1281 * of rsync will not understand it. */
1283 if (preserve_hard_links)
1289 if (preserve_devices)
1293 if (omit_dir_times == 2 && am_sender)
1299 if (always_checksum)
1307 if (one_file_system)
1314 /* This is a complete hack - blame Rusty. FIXME!
1315 * This hack is only needed for older rsync versions that
1316 * don't understand the --list-only option. */
1317 if (list_only == 1 && !recurse)
1323 args[ac++] = argstr;
1326 args[ac++] = "--list-only";
1328 /* The server side doesn't use our log-format, but in certain
1329 * circumstances they need to know a little about the option. */
1330 if (log_format && am_sender) {
1331 if (log_format_has_i)
1332 args[ac++] = "--log-format=%i";
1333 else if (log_format_has_o_or_i)
1334 args[ac++] = "--log-format=%o";
1336 args[ac++] = "--log-format=X";
1340 if (asprintf(&arg, "-B%lu", block_size) < 0)
1345 if (max_delete && am_sender) {
1346 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1351 if (max_size && am_sender) {
1352 args[ac++] = "--max-size";
1353 args[ac++] = max_size_arg;
1357 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1363 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1369 args[ac++] = "--backup-dir";
1370 args[ac++] = backup_dir;
1373 /* Only send --suffix if it specifies a non-default value. */
1374 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1375 /* We use the following syntax to avoid weirdness with '~'. */
1376 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1382 if (delete_excluded)
1383 args[ac++] = "--delete-excluded";
1384 else if (delete_before == 1 || delete_after)
1385 args[ac++] = "--delete";
1386 if (delete_before > 1)
1387 args[ac++] = "--delete-before";
1389 args[ac++] = "--delete-during";
1391 args[ac++] = "--delete-after";
1393 args[ac++] = "--force";
1394 if (write_batch < 0)
1395 args[ac++] = "--only-write-batch=X";
1399 args[ac++] = "--size-only";
1401 if (modify_window_set) {
1402 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1407 if (checksum_seed) {
1408 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1413 if (partial_dir && am_sender) {
1414 if (partial_dir != partialdir_for_delayupdate) {
1415 args[ac++] = "--partial-dir";
1416 args[ac++] = partial_dir;
1419 args[ac++] = "--delay-updates";
1420 } else if (keep_partial)
1421 args[ac++] = "--partial";
1424 args[ac++] = "--ignore-errors";
1426 if (copy_unsafe_links)
1427 args[ac++] = "--copy-unsafe-links";
1430 args[ac++] = "--safe-links";
1433 args[ac++] = "--numeric-ids";
1435 if (only_existing && am_sender)
1436 args[ac++] = "--existing";
1438 if (opt_ignore_existing && am_sender)
1439 args[ac++] = "--ignore-existing";
1442 args[ac++] = "--inplace";
1445 args[ac++] = "--temp-dir";
1446 args[ac++] = tmpdir;
1449 if (basis_dir[0] && am_sender) {
1450 /* the server only needs this option if it is not the sender,
1451 * and it may be an older version that doesn't know this
1452 * option, so don't send it if client is the sender.
1455 for (i = 0; i < basis_dir_cnt; i++) {
1456 args[ac++] = dest_option;
1457 args[ac++] = basis_dir[i];
1461 if (files_from && (!am_sender || filesfrom_host)) {
1462 if (filesfrom_host) {
1463 args[ac++] = "--files-from";
1464 args[ac++] = files_from;
1466 args[ac++] = "--from0";
1468 args[ac++] = "--files-from=-";
1469 args[ac++] = "--from0";
1471 if (!relative_paths)
1472 args[ac++] = "--no-relative";
1474 if (!implied_dirs && !am_sender)
1475 args[ac++] = "--no-implied-dirs";
1477 if (fuzzy_basis && am_sender)
1478 args[ac++] = "--fuzzy";
1480 if (remove_sent_files)
1481 args[ac++] = "--remove-sent-files";
1487 out_of_memory("server_options");
1490 /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1491 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1492 * memory with the HOST. If a daemon-accessing spec was specified, the value
1493 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1494 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1495 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1496 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1497 char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
1502 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1505 s += strlen(URL_PREFIX);
1506 if ((p = strchr(s, '/')) != NULL) {
1510 hostlen = strlen(s);
1513 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1517 *port_ptr = atoi(p+2);
1519 if ((p = strchr(s, ':')) != NULL) {
1521 *port_ptr = atoi(p+1);
1525 *port_ptr = RSYNC_PORT;
1526 *host_ptr = new_array(char, hostlen + 1);
1527 strlcpy(*host_ptr, s, hostlen + 1);
1531 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
1534 not_host = strchr(s, '/') || !strchr(s, ':');
1540 if (!(p = strchr(s, ':')))
1543 not_host = strchr(s, '/') != NULL;
1549 *host_ptr = new_array(char, p - s + 1);
1550 strlcpy(*host_ptr, s, p - s + 1);
1553 if (port_ptr && !*port_ptr)
1554 *port_ptr = RSYNC_PORT;