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[rsync/rsync.git] / options.c
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0f78b815
WD		 1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
WD		 4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
ba2133d6 6 * Copyright (C) 2002-2007 Wayne Davison
dfa32483 7 *
dafe63ca 8 * This program is free software; you can redistribute it and/or modify
8e41b68e
WD		 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
dfa32483 12 *
dafe63ca
MP		 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
dfa32483 17 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
dafe63ca 20 */
7a6421fa 21
7a6421fa 22#include "rsync.h"
1b42f628 23#include "ifuncs.h"
35bf8fa0 24#include <popt.h>
854a1aad 25#include "zlib/zlib.h"
7a6421fa 26
7bc90b30 27extern int module_id;
7be73df4 28extern int sanitize_paths;
e208631a 29extern int daemon_over_rsh;
a1018691 30extern unsigned int module_dirlen;
7842418b
WD		 31extern struct filter_list_struct filter_list;
32extern struct filter_list_struct server_filter_list;
8645af1d 33
7a6421fa 34int make_backups = 0;
1bfbf40b
MP		 35
36/**
dfa32483 37 * If 1, send the whole file as literal data rather than trying to
dafe63ca 38 * create an incremental diff.
1bfbf40b 39 *
dfa32483 40 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 41 *
42 * @sa disable_deltas_p()
1bfbf40b 43 **/
dfa32483 44int whole_file = -1;
1bfbf40b 45
a015788d 46int append_mode = 0;
716e73d4 47int keep_dirlinks = 0;
2dbf36ef 48int copy_dirlinks = 0;
7a6421fa
AT		 49int copy_links = 0;
50int preserve_links = 0;
51int preserve_hard_links = 0;
1c3344a1 52int preserve_acls = 0;
16edf865 53int preserve_xattrs = 0;
7a6421fa 54int preserve_perms = 0;
344f9ba7 55int preserve_executability = 0;
7a6421fa 56int preserve_devices = 0;
b5c6a6ae 57int preserve_specials = 0;
7a6421fa
AT		 58int preserve_uid = 0;
59int preserve_gid = 0;
60int preserve_times = 0;
61int update_only = 0;
62int cvs_exclude = 0;
a5c11139 63int dry_run = 0;
11e758a4 64int do_xfers = 1;
a5c11139
WD		 65int ignore_times = 0;
66int delete_mode = 0;
a51b3168 67int delete_during = 0;
51d48398
WD		 68int delete_before = 0;
69int delete_after = 0;
a5c11139 70int delete_excluded = 0;
47c11975 71int remove_source_files = 0;
a5c11139 72int one_file_system = 0;
4f3e9a0f 73int protocol_version = PROTOCOL_VERSION;
a5c11139
WD		 74int sparse_files = 0;
75int do_compression = 0;
854a1aad 76int def_compress_level = Z_DEFAULT_COMPRESSION;
9439c0cb 77int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 78int am_server = 0;
79int am_sender = 0;
80int am_generator = 0;
81int am_starting_up = 1;
ea5164d1
WD		 82int relative_paths = -1;
83int implied_dirs = 1;
7a6421fa 84int numeric_ids = 0;
5974c662 85int allow_8bit_chars = 0;
7a6421fa
AT		 86int force_delete = 0;
87int io_timeout = 0;
9ac756c6 88int allowed_lull = 0;
876c9936 89int prune_empty_dirs = 0;
8487f9cf 90int use_qsort = 0;
ea5164d1
WD		 91char *files_from = NULL;
92int filesfrom_fd = -1;
305666bf 93char *filesfrom_host = NULL;
ea5164d1 94int eol_nulls = 0;
7a4addaa 95int protect_args = 0;
8f14cc49 96int human_readable = 0;
7a6421fa 97int recurse = 0;
5275029d 98int allow_inc_recurse = 1;
b6164938 99int xfer_dirs = -1;
1312d9fc 100int am_daemon = 0;
a5c11139
WD		 101int do_stats = 0;
102int do_progress = 0;
ba22c9e2 103int connect_timeout = 0;
a5c11139
WD		 104int keep_partial = 0;
105int safe_symlinks = 0;
106int copy_unsafe_links = 0;
107int size_only = 0;
9fb08441 108int daemon_bwlimit = 0;
a5c11139 109int bwlimit = 0;
c4ed1487 110int fuzzy_basis = 0;
3c74c3a3 111size_t bwlimit_writemax = 0;
e90aab49
WD		 112int ignore_existing = 0;
113int ignore_non_existing = 0;
07c6ae7d 114int need_messages_from_generator = 0;
7b9598b2 115int max_delete = INT_MIN;
7d5acf1d 116OFF_T max_size = 0;
74de13d1 117OFF_T min_size = 0;
a5c11139
WD		 118int ignore_errors = 0;
119int modify_window = 0;
120int blocking_io = -1;
2289bf64 121int checksum_seed = 0;
a3221d2a 122int inplace = 0;
f06e7082 123int delay_updates = 0;
a06b419d 124long block_size = 0; /* "long" because popt can't set an int32. */
b1e436ec 125char *skip_compress = NULL;
b35d0d8e 126
13e29995 127/** Network address family. **/
24d677fc 128int default_af_hint
4f5b0756 129#ifdef INET6
24d677fc 130 = 0; /* Any protocol */
6ab6d4bf 131#else
24d677fc
WD		 132 = AF_INET; /* Must use IPv4 */
133# ifdef AF_INET6
134# undef AF_INET6
135# endif
136# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 137#endif
06963d0f 138
13e29995
MP		 139/** Do not go into the background when run as --daemon. Good
140 * for debugging and required for running as a service on W32,
141 * or under Unix process-monitors. **/
1f35babc
WD		 142int no_detach
143#if defined _WIN32 || defined __WIN32__
144 = 1;
145#else
146 = 0;
147#endif
13e29995 148
088aac85
DD		 149int write_batch = 0;
150int read_batch = 0;
d175d7e1
WD		 151int backup_dir_len = 0;
152int backup_suffix_len;
e0391f81 153unsigned int backup_dir_remainder;
6902ed17 154
d175d7e1 155char *backup_suffix = NULL;
7a6421fa 156char *tmpdir = NULL;
a7260c40 157char *partial_dir = NULL;
e012f858 158char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 159char *config_file = NULL;
7a6421fa 160char *shell_cmd = NULL;
87c0f9d6
WD		 161char *logfile_name = NULL;
162char *logfile_format = NULL;
b3e4e7ef 163char *stdout_format = NULL;
65575e96 164char *password_file = NULL;
41bd28fe 165char *rsync_path = RSYNC_PATH;
66203a98 166char *backup_dir = NULL;
e0391f81 167char backup_dir_buf[MAXPATHLEN];
831f06a5 168char *sockopts = NULL;
0c56b1ad 169int rsync_port = 0;
dfd7d541 170int compare_dest = 0;
1de3e99b 171int copy_dest = 0;
59c95e42 172int link_dest = 0;
ce0b384f 173int basis_dir_cnt = 0;
f9a9f547 174char *dest_option = NULL;
7a6421fa
AT		 175
176int verbose = 0;
b86f0cef 177int quiet = 0;
dc1f7b9e 178int output_motd = 1;
e7651884 179int log_before_transfer = 0;
b3e4e7ef
WD		 180int stdout_format_has_i = 0;
181int stdout_format_has_o_or_i = 0;
87c0f9d6 182int logfile_format_has_i = 0;
87c0f9d6 183int logfile_format_has_o_or_i = 0;
7a6421fa 184int always_checksum = 0;
f7632fc6 185int list_only = 0;
7a6421fa 186
9b3318b0
WD		 187#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
188char *batch_name = NULL;
6902ed17 189
332cf6df 190int need_unsorted_flist = 0;
f7a76b9c 191#ifdef ICONV_OPTION
332cf6df
WD		 192char *iconv_opt = ICONV_OPTION;
193#endif
194
dd32e2c3
WD		 195struct chmod_mode_struct *chmod_modes = NULL;
196
e1add893 197static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 198static int omit_dir_times = 0;
aa4d3b4c 199static int F_option_cnt = 0;
5b56cc19 200static int modify_window_set;
624d6be2 201static int itemize_changes = 0;
854a1aad 202static int refused_delete, refused_archive_part, refused_compress;
3296f91b 203static int refused_partial, refused_progress, refused_delete_before;
e0e32031 204static int refused_delete_during;
a015788d 205static int refused_inplace;
74de13d1 206static char *max_size_arg, *min_size_arg;
77860bac 207static char tmp_partialdir[] = ".~tmp~";
5b56cc19 208
06963d0f 209/** Local address to bind. As a character string because it's
fdf57ede 210 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 211 * address, or a hostname. **/
212char *bind_address;
5c9730a4 213
7a24c346 214
27a12348 215static void print_rsync_version(enum logcode f)
7a24c346 216{
2ed790f3 217 char *subprotocol = "";
dfa32483 218 char const *got_socketpair = "no ";
a3221d2a 219 char const *have_inplace = "no ";
dfa32483 220 char const *hardlinks = "no ";
1c3344a1 221 char const *acls = "no ";
16edf865 222 char const *xattrs = "no ";
dfa32483 223 char const *links = "no ";
332cf6df 224 char const *iconv = "no ";
a358449a 225 char const *ipv6 = "no ";
736a6a29 226 STRUCT_STAT *dumstat;
0c80cd8e 227
2ed790f3
WD		 228#if SUBPROTOCOL_VERSION != 0
229 asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION);
230#endif
4f5b0756 231#ifdef HAVE_SOCKETPAIR
dfa32483 232 got_socketpair = "";
0c80cd8e 233#endif
4f5b0756 234#ifdef HAVE_FTRUNCATE
a3221d2a
WD		 235 have_inplace = "";
236#endif
4f5b0756 237#ifdef SUPPORT_HARD_LINKS
dfa32483 238 hardlinks = "";
2855f61f 239#endif
1c3344a1
WD		 240#ifdef SUPPORT_ACLS
241 acls = "";
242#endif
16edf865
WD		 243#ifdef SUPPORT_XATTRS
244 xattrs = "";
245#endif
4f5b0756 246#ifdef SUPPORT_LINKS
dfa32483 247 links = "";
2855f61f 248#endif
4f5b0756 249#ifdef INET6
a358449a 250 ipv6 = "";
dfa32483 251#endif
332cf6df
WD		 252#ifdef ICONV_OPTION
253 iconv = "";
254#endif
a358449a 255
719522b9 256 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 257 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
100018b7 258 rprintf(f, "Copyright (C) 1996-2007 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD		 259 rprintf(f, "Web site: http://rsync.samba.org/\n");
260 rprintf(f, "Capabilities:\n");
261 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD		 262 (int)(sizeof (OFF_T) * 8),
263 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 264 (int)(sizeof (time_t) * 8),
d619ff13
WD		 265 (int)(sizeof (int64) * 8));
266 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
267 got_socketpair, hardlinks, links, ipv6, have_inplace);
332cf6df
WD		 268 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv\n",
269 have_inplace, acls, xattrs, iconv);
2855f61f 270
fc0302cf 271#ifdef MAINTAINER_MODE
29433538 272 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 273#endif
736a6a29 274
031fa9ad
WD		 275#if SIZEOF_INT64 < 8
276 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 277#endif
c561edaa
WD		 278 if (sizeof (int64) != SIZEOF_INT64) {
279 rprintf(f,
280 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
281 (int) SIZEOF_INT64, (int) sizeof (int64));
282 }
7b329a2d 283
b64ee91a
WD		 284 rprintf(f,"\n");
285 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD		 286 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
287 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP		 288}
289
290
0f3203c3 291void usage(enum logcode F)
7a6421fa 292{
2855f61f 293 print_rsync_version(F);
704f908e 294
b64ee91a
WD		 295 rprintf(F,"\n");
296 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 297 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 298
b64ee91a
WD		 299 rprintf(F,"\n");
300 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD		 301 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
302 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
303 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 304 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 305 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 306 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD		 307 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
308 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD		 309 rprintf(F,"\n");
310 rprintf(F,"Options\n");
704f908e 311 rprintf(F," -v, --verbose increase verbosity\n");
b3708acf 312 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 313 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 314 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 315 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 316 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT		 317 rprintf(F," -r, --recursive recurse into directories\n");
318 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 319 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 320 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD		 321 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
322 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
323 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 324 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 325 rprintf(F," --append append data onto shorter files\n");
936fa865 326 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 327 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 328 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD		 329 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
330 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
331 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
2dbf36ef 332 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 333 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 334 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 335 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 336 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 337 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD		 338#ifdef SUPPORT_ACLS
339 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD		 340#endif
341#ifdef SUPPORT_XATTRS
3caafdfd 342 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 343#endif
def97ff9 344 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 345 rprintf(F," -g, --group preserve group\n");
def97ff9 346 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD		 347 rprintf(F," --specials preserve special files\n");
348 rprintf(F," -D same as --devices --specials\n");
42b06481
WD		 349 rprintf(F," -t, --times preserve modification times\n");
350 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
def97ff9 351 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD		 352#ifdef SUPPORT_XATTRS
353 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
354#endif
704f908e 355 rprintf(F," -S, --sparse handle sparse files efficiently\n");
d100e733 356 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 357 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
704f908e 358 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 359 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 360 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 361 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD		 362 rprintf(F," --existing skip creating new files on receiver\n");
363 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 364 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 365 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 366 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD		 367 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
368 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 369 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 370 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 371 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
db2b5cb7 372 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 373 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 374 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 375 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 376 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 377 rprintf(F," --partial keep partially transferred files\n");
a7260c40 378 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 379 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 380 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 381 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
ba22c9e2
WD		 382 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
383 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf
WD		 384 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
385 rprintf(F," --size-only skip files that match in size\n");
386 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 387 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 388 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 389 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 390 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 391 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 392 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 393 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 394 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 395 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 396 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 397 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 398 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 399 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 400 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 401 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD		 402 rprintf(F," --include-from=FILE read include patterns from FILE\n");
403 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 404 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 405 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
b4ef0bca 406 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 407 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 408 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 409 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 410 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 411 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 412 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 413 rprintf(F," --progress show progress during transfer\n");
b3708acf 414 rprintf(F," -P same as --partial --progress\n");
b78296cb 415 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD		 416 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
417 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
418 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 419 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 420 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD		 421 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
422 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 423 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 424 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 425 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 426#ifdef ICONV_OPTION
84e1a34e 427 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 428#endif
4db88e5b
WD		 429 rprintf(F," -4, --ipv4 prefer IPv4\n");
430 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 431 rprintf(F," --version print version number\n");
375d8f91 432 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 433
b64ee91a
WD		 434 rprintf(F,"\n");
435 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 436 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 437 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT		 438}
439
3ac7f5d4 440enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 441 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 442 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 443 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
936fa865 444 OPT_NO_D, OPT_APPEND,
0ccffd7c 445 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 446
2855f61f
MP		 447static struct poptOption long_options[] = {
448 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 449 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 450 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 451 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 452 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 453 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
e86e2fa1 454 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 455 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
456 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 457 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 458 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 459 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
460 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 461 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 462 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
463 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
464 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 465 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 466 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 467 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 468 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
469 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 470 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 471 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
472 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
473 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
474 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
475 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 476 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 477 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
478 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
479 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 480 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
481 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
482 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
f9998046 483 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
b6164938
WD		 484 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
485 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 486 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 487 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
488 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
38b9170c 489 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 490 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
491 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 492 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 493 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
494 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
495 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
496 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
497 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
498 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 499 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
500 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
501 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 502 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD		 503 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
504 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 505 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 506 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
507 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 508 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
509 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
510 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
2dbf36ef 511 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 512 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 513 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 514 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
515 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 516 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
517 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 518 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 519 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 520 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 521 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
522 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 523 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 524 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
525 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 526 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
e86e2fa1 527 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 528 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 529 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 530 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 531 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 532 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
e86e2fa1
WD		 533 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
534 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
936fa865
WD		 535 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
536 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
537 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 538 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 539 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 540 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 541 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
542 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 543 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
544 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
47c11975
WD		 545 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
546 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
afb6e945 547 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
e86e2fa1
WD		 548 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
549 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
550 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 551 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 552 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
553 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
554 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
555 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 556 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 557 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
558 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 559 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 560 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
561 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
562 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 563 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 564 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 565 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 566 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
c4ed1487 567 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
854a1aad 568 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf 569 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
b1e436ec 570 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
8487f9cf 571 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
854a1aad 572 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 573 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 574 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
575 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
576 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
577 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 578 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 579 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
580 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
876c9936 581 {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 582 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 583 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
584 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
585 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 586 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 587 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
588 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
afb6e945 589 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
8487f9cf
WD		 590 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
591 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
592 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 593 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 594 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
595 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 596 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
597 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 598 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 599 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 600 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
601 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD		 602 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
603 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
604 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD		 605 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
606 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
e86e2fa1 607 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 608 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 609 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD		 610 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
611 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
612 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD		 613#ifdef ICONV_OPTION
614 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
615#endif
3dd22903
WD		 616 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
617 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
a6a27602 618 {"8-bit-output", '8', POPT_ARG_NONE, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 619 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD		 620 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
621 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 622 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD		 623 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
624 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
625 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
626 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
627 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 628 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 629 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
630 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 631 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
632 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1f35babc 633 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 634 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 635 {0,0,0,0, 0, 0, 0}
636};
637
638static void daemon_usage(enum logcode F)
639{
640 print_rsync_version(F);
641
b64ee91a
WD		 642 rprintf(F,"\n");
643 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 644 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 645 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4
WD		 646 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
647 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 648 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 649 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 650 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 651 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 652 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD		 653 rprintf(F," -4, --ipv4 prefer IPv4\n");
654 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 655 rprintf(F," --help show this help screen\n");
3ac7f5d4 656
b64ee91a
WD		 657 rprintf(F,"\n");
658 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD		 659 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
660}
661
662static struct poptOption long_daemon_options[] = {
663 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
664 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 665 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 666 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
667 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
3ac7f5d4
WD		 668 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
669 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 670 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 671 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 672 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 673 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 674 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 675 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 676 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
677 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 678 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 679 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 680 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
681 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 682 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 683 {0,0,0,0, 0, 0, 0}
2855f61f 684};
7a6421fa 685
06963d0f 686
e51094b7 687static char err_buf[200];
cd8185f2 688
2855f61f 689
dafe63ca
MP		 690/**
691 * Store the option error message, if any, so that we can log the
692 * connection attempt (which requires parsing the options), and then
693 * show the error later on.
694 **/
cd8185f2
AT		 695void option_error(void)
696{
e51094b7 697 if (!err_buf[0]) {
c9bce0b8
WD		 698 strlcpy(err_buf, "Error parsing options: option may "
699 "be supported on client but not on server?\n",
700 sizeof err_buf);
cd8185f2 701 }
e51094b7 702
e51094b7 703 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 704 msleep(20);
cd8185f2
AT		 705}
706
dafe63ca
MP		 707
708/**
27ed20f7
WD		 709 * Tweak the option table to disable all options that the rsyncd.conf
710 * file has told us to refuse.
dafe63ca 711 **/
27ed20f7 712static void set_refuse_options(char *bp)
cd8185f2 713{
27ed20f7 714 struct poptOption *op;
093e816c 715 char *cp, shortname[2];
d73e7f6e 716 int is_wild, found_match;
093e816c
WD		 717
718 shortname[1] = '\0';
27ed20f7
WD		 719
720 while (1) {
06a50542
WD		 721 while (*bp == ' ') bp++;
722 if (!*bp)
723 break;
27ed20f7
WD		 724 if ((cp = strchr(bp, ' ')) != NULL)
725 *cp= '\0';
093e816c 726 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 727 found_match = 0;
55afbb52 728 for (op = long_options; ; op++) {
093e816c 729 *shortname = op->shortName;
d73e7f6e
WD		 730 if (!op->longName && !*shortname)
731 break;
732 if ((op->longName && wildmatch(bp, op->longName))
684d7582 733 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD		 734 if (op->argInfo == POPT_ARG_VAL)
735 op->argInfo = POPT_ARG_NONE;
06a50542 736 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 737 found_match = 1;
3671987f
WD		 738 /* These flags are set to let us easily check
739 * an implied option later in the code. */
740 switch (*shortname) {
3671987f
WD		 741 case 'r': case 'd': case 'l': case 'p':
742 case 't': case 'g': case 'o': case 'D':
743 refused_archive_part = op->val;
744 break;
854a1aad
WD		 745 case 'z':
746 refused_compress = op->val;
747 break;
3671987f
WD		 748 case '\0':
749 if (wildmatch("delete", op->longName))
750 refused_delete = op->val;
3296f91b
WD		 751 else if (wildmatch("delete-before", op->longName))
752 refused_delete_before = op->val;
e0e32031
WD		 753 else if (wildmatch("delete-during", op->longName))
754 refused_delete_during = op->val;
3671987f
WD		 755 else if (wildmatch("partial", op->longName))
756 refused_partial = op->val;
757 else if (wildmatch("progress", op->longName))
758 refused_progress = op->val;
a015788d
WD		 759 else if (wildmatch("inplace", op->longName))
760 refused_inplace = op->val;
3671987f
WD		 761 break;
762 }
06a50542
WD		 763 if (!is_wild)
764 break;
27ed20f7 765 }
cd8185f2 766 }
d73e7f6e
WD		 767 if (!found_match) {
768 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
769 bp);
770 }
27ed20f7
WD		 771 if (!cp)
772 break;
773 *cp = ' ';
774 bp = cp + 1;
cd8185f2 775 }
cd8185f2
AT		 776}
777
778
8db7cc2c 779static int count_args(const char **argv)
2855f61f 780{
dfa32483 781 int i = 0;
2855f61f 782
8db7cc2c
WD		 783 if (argv) {
784 while (argv[i] != NULL)
785 i++;
786 }
dfa32483
WD		 787
788 return i;
2855f61f
MP		 789}
790
791
837d01dd 792static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 793{
3c19f72c
WD		 794 int reps, mult, make_compatible = 0;
795 const char *arg;
796 OFF_T size = 1;
95e107db 797
2dc7b8bd 798 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 799 if (*arg == '.')
2dc7b8bd 800 for (arg++; isDigit(arg); arg++) {}
3c19f72c 801 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 802 case 'b': case 'B':
3c19f72c 803 reps = 0;
837d01dd 804 break;
95e107db 805 case 'k': case 'K':
3c19f72c 806 reps = 1;
95e107db
WD		 807 break;
808 case 'm': case 'M':
3c19f72c 809 reps = 2;
95e107db
WD		 810 break;
811 case 'g': case 'G':
3c19f72c 812 reps = 3;
95e107db
WD		 813 break;
814 default:
3c19f72c 815 return -1;
95e107db 816 }
3c19f72c
WD		 817 if (*arg == 'b' || *arg == 'B')
818 mult = 1000, make_compatible = 1, arg++;
819 else if (!*arg || *arg == '+' || *arg == '-')
820 mult = 1024;
821 else if (strncasecmp(arg, "ib", 2) == 0)
822 mult = 1024, arg += 2;
823 else
824 return -1;
825 while (reps--)
826 size *= mult;
827 size *= atof(*size_arg);
828 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
829 size += atoi(arg), make_compatible = 1, arg += 2;
830 if (*arg)
831 return -1;
aeb213ea 832 if (size > 0 && make_compatible) {
74de13d1
WD		 833 /* We convert this manually because we may need %lld precision,
834 * and that's not a portable sprintf() escape. */
8f14cc49 835 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 836 OFF_T num = size;
8f14cc49 837 *s = '\0';
aeb213ea 838 while (num) {
26404276 839 *--s = (char)(num % 10) + '0';
aeb213ea
WD		 840 num /= 10;
841 }
842 if (!(*size_arg = strdup(s)))
843 out_of_memory("parse_size_arg");
844 }
95e107db
WD		 845 return size;
846}
847
848
3671987f
WD		 849static void create_refuse_error(int which)
850{
851 /* The "which" value is the index + OPT_REFUSED_BASE. */
852 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
853 int n = snprintf(err_buf, sizeof err_buf,
854 "The server is configured to refuse --%s\n",
855 op->longName) - 1;
856 if (op->shortName) {
857 snprintf(err_buf + n, sizeof err_buf - n,
858 " (-%c)\n", op->shortName);
859 }
860}
861
862
dafe63ca
MP		 863/**
864 * Process command line arguments. Called on both local and remote.
865 *
866 * @retval 1 if all options are OK; with globals set to appropriate
867 * values
868 *
869 * @retval 0 on error, with err_buf containing an explanation
870 **/
ffbffc64 871int parse_arguments(int *argc_p, const char ***argv_p, int frommain)
7a6421fa 872{
7a4addaa 873 static poptContext pc;
ffbffc64
WD		 874 char *ref = lp_refuse_options(module_id);
875 const char *arg, **argv = *argv_p;
876 int argc = *argc_p;
877 int opt;
d853783f 878
27ed20f7
WD		 879 if (ref && *ref)
880 set_refuse_options(ref);
232658d9
WD		 881 if (am_daemon)
882 set_refuse_options("log-file*");
27ed20f7 883
332cf6df 884#ifdef ICONV_OPTION
a4453606 885 if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 886 iconv_opt = strdup(arg);
887#endif
888
dfa32483 889 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 890
dfa32483
WD		 891 /* The context leaks in case of an error, but if there's a
892 * problem we always exit anyhow. */
7a4addaa
WD		 893 if (pc)
894 poptFreeContext(pc);
895 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
896 if (!am_server)
897 poptReadDefaultConfig(pc, 0);
2855f61f
MP		 898
899 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 900 /* most options are handled automatically by popt;
901 * only special cases are returned and listed here. */
2855f61f 902
d853783f
AT		 903 switch (opt) {
904 case OPT_VERSION:
dfa32483 905 print_rsync_version(FINFO);
d853783f 906 exit_cleanup(0);
dfa32483 907
0ccffd7c
WD		 908 case OPT_SERVER:
909 if (!am_server) {
910 /* Disable popt aliases on the server side and
911 * then start parsing the options again. */
912 poptFreeContext(pc);
ffbffc64 913 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD		 914 long_options, 0);
915 am_server = 1;
916 }
332cf6df
WD		 917#ifdef ICONV_OPTION
918 iconv_opt = NULL;
919#endif
0ccffd7c
WD		 920 break;
921
922 case OPT_SENDER:
923 if (!am_server) {
924 usage(FERROR);
925 exit_cleanup(RERR_SYNTAX);
926 }
927 am_sender = 1;
928 break;
929
3ac7f5d4
WD		 930 case OPT_DAEMON:
931 if (am_daemon) {
c9bce0b8
WD		 932 strlcpy(err_buf,
933 "Attempt to hack rsync thwarted!\n",
934 sizeof err_buf);
3ac7f5d4
WD		 935 return 0;
936 }
332cf6df
WD		 937#ifdef ICONV_OPTION
938 iconv_opt = NULL;
939#endif
3ac7f5d4 940 poptFreeContext(pc);
ffbffc64 941 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD		 942 long_daemon_options, 0);
943 while ((opt = poptGetNextOpt(pc)) != -1) {
944 switch (opt) {
945 case 'h':
946 daemon_usage(FINFO);
947 exit_cleanup(0);
948
1bd9db74
WD		 949 case 'v':
950 verbose++;
951 break;
952
3ac7f5d4
WD		 953 default:
954 rprintf(FERROR,
955 "rsync: %s: %s (in daemon mode)\n",
956 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
957 poptStrerror(opt));
958 goto daemon_error;
959 }
960 }
b6e22a47
WD		 961
962 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
963 snprintf(err_buf, sizeof err_buf,
964 "the --temp-dir path is WAY too long.\n");
965 return 0;
966 }
967
3ac7f5d4
WD		 968 if (!daemon_opt) {
969 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
970 daemon_error:
971 rprintf(FERROR,
972 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
973 exit_cleanup(RERR_SYNTAX);
974 }
b6e22a47 975
ffbffc64
WD		 976 *argv_p = argv = poptGetArgs(pc);
977 *argc_p = argc = count_args(argv);
7f2a1f65 978 am_starting_up = 0;
3ac7f5d4
WD		 979 daemon_opt = 0;
980 am_daemon = 1;
981 return 1;
982
5b56cc19 983 case OPT_MODIFY_WINDOW:
dfa32483
WD		 984 /* The value has already been set by popt, but
985 * we need to remember that we're using a
986 * non-default setting. */
5b56cc19
AT		 987 modify_window_set = 1;
988 break;
1de50993 989
aa4d3b4c 990 case OPT_FILTER:
3a5e9224 991 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT		 992 break;
993
aa4d3b4c 994 case OPT_EXCLUDE:
3a5e9224 995 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 996 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 997 break;
998
d853783f 999 case OPT_INCLUDE:
3a5e9224 1000 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1001 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT		 1002 break;
1003
1004 case OPT_EXCLUDE_FROM:
93695764 1005 case OPT_INCLUDE_FROM:
7be73df4 1006 arg = poptGetOptArg(pc);
1a7f3d99 1007 if (sanitize_paths)
29bca53f 1008 arg = sanitize_path(NULL, arg, NULL, 0);
7842418b 1009 if (server_filter_list.head) {
200aec7d 1010 int rej;
a1018691 1011 char *dir, *cp = strdup(arg);
d3ef9859
WD		 1012 if (!cp)
1013 out_of_memory("parse_arguments");
3671987f
WD		 1014 if (!*cp)
1015 goto options_rejected;
a1018691
WD		 1016 dir = cp + (*cp == '/' ? module_dirlen : 0);
1017 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1018 rej = check_filter(&server_filter_list, dir, 0) < 0;
d3ef9859 1019 free(cp);
200aec7d
WD		 1020 if (rej)
1021 goto options_rejected;
ba3db479 1022 }
3a5e9224
WD		 1023 parse_filter_file(&filter_list, arg,
1024 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1025 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1026 break;
1027
b6164938
WD		 1028 case 'a':
1029 if (refused_archive_part) {
1030 create_refuse_error(refused_archive_part);
1031 return 0;
1032 }
1033 if (!recurse) /* preserve recurse == 2 */
1034 recurse = 1;
1035#ifdef SUPPORT_LINKS
1036 preserve_links = 1;
1037#endif
1038 preserve_perms = 1;
f9998046 1039 preserve_times = 2;
b6164938
WD		 1040 preserve_gid = 1;
1041 preserve_uid = 1;
1042 preserve_devices = 1;
b5c6a6ae
WD		 1043 preserve_specials = 1;
1044 break;
1045
1046 case 'D':
1047 preserve_devices = preserve_specials = 1;
1048 break;
1049
1050 case OPT_NO_D:
1051 preserve_devices = preserve_specials = 0;
b6164938
WD		 1052 break;
1053
3ca9e5d8
WD		 1054 case 'h':
1055 human_readable++;
1056 break;
1057
e0e32031
WD		 1058 case 'H':
1059 preserve_hard_links++;
1060 break;
1061
487094a0
WD		 1062 case 'i':
1063 itemize_changes++;
1064 break;
1065
d853783f
AT		 1066 case 'v':
1067 verbose++;
1068 break;
7a6421fa 1069
b86f0cef 1070 case 'q':
f98c60bf
WD		 1071 if (frommain)
1072 quiet++;
b86f0cef
DD		 1073 break;
1074
243c995f
WD		 1075 case 'x':
1076 one_file_system++;
1077 break;
1078
aa4d3b4c
WD		 1079 case 'F':
1080 switch (++F_option_cnt) {
1081 case 1:
3a5e9224 1082 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD		 1083 break;
1084 case 2:
3a5e9224 1085 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD		 1086 break;
1087 }
1088 break;
1089
d9fcc198 1090 case 'P':
3671987f
WD		 1091 if (refused_partial || refused_progress) {
1092 create_refuse_error(refused_partial
1093 ? refused_partial : refused_progress);
1094 return 0;
1095 }
d9fcc198
AT		 1096 do_progress = 1;
1097 keep_partial = 1;
1098 break;
1099
854a1aad
WD		 1100 case 'z':
1101 if (def_compress_level < Z_DEFAULT_COMPRESSION
1102 || def_compress_level > Z_BEST_COMPRESSION) {
1103 snprintf(err_buf, sizeof err_buf,
1104 "--compress-level value is invalid: %d\n",
1105 def_compress_level);
1106 return 0;
1107 }
1108 do_compression = def_compress_level != Z_NO_COMPRESSION;
1109 if (do_compression && refused_compress) {
1110 create_refuse_error(refused_compress);
1111 return 0;
1112 }
1113 break;
1114
088aac85 1115 case OPT_WRITE_BATCH:
9b3318b0 1116 /* batch_name is already set */
088aac85
DD		 1117 write_batch = 1;
1118 break;
1119
11e758a4
WD		 1120 case OPT_ONLY_WRITE_BATCH:
1121 /* batch_name is already set */
1122 write_batch = -1;
1123 break;
1124
76f79ba7 1125 case OPT_READ_BATCH:
9b3318b0 1126 /* batch_name is already set */
6902ed17
MP		 1127 read_batch = 1;
1128 break;
ea5164d1 1129
7d5acf1d 1130 case OPT_MAX_SIZE:
837d01dd 1131 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1132 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD		 1133 "--max-size value is invalid: %s\n",
1134 max_size_arg);
e012f858 1135 return 0;
7d5acf1d
WD		 1136 }
1137 break;
1138
74de13d1
WD		 1139 case OPT_MIN_SIZE:
1140 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1141 snprintf(err_buf, sizeof err_buf,
1142 "--min-size value is invalid: %s\n",
1143 min_size_arg);
1144 return 0;
1145 }
1146 break;
1147
936fa865
WD		 1148 case OPT_APPEND:
1149 if (am_server)
1150 append_mode++;
1151 else
1152 append_mode = 1;
1153 break;
1154
59c95e42 1155 case OPT_LINK_DEST:
fcecb70b 1156#ifdef SUPPORT_HARD_LINKS
59c95e42 1157 link_dest = 1;
e012f858
WD		 1158 dest_option = "--link-dest";
1159 goto set_dest_dir;
59c95e42 1160#else
d175d7e1 1161 snprintf(err_buf, sizeof err_buf,
dfa32483 1162 "hard links are not supported on this %s\n",
59c95e42 1163 am_server ? "server" : "client");
59c95e42
DD		 1164 return 0;
1165#endif
1166
1de3e99b
WD		 1167 case OPT_COPY_DEST:
1168 copy_dest = 1;
1169 dest_option = "--copy-dest";
1170 goto set_dest_dir;
1171
e012f858
WD		 1172 case OPT_COMPARE_DEST:
1173 compare_dest = 1;
1174 dest_option = "--compare-dest";
1175 set_dest_dir:
3b26bba0 1176 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1177 snprintf(err_buf, sizeof err_buf,
1178 "ERROR: at most %d %s args may be specified\n",
1179 MAX_BASIS_DIRS, dest_option);
1180 return 0;
1181 }
ad77db8b
WD		 1182 /* We defer sanitizing this arg until we know what
1183 * our destination directory is going to be. */
1184 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1185 break;
1186
e16adcdf
WD		 1187 case OPT_CHMOD:
1188 arg = poptGetOptArg(pc);
bbe42182 1189 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD		 1190 snprintf(err_buf, sizeof err_buf,
1191 "Invalid argument passed to --chmod (%s)\n",
1192 arg);
1193 return 0;
1194 }
1195 break;
1196
f5a910dd
WD		 1197 case OPT_HELP:
1198 usage(FINFO);
1199 exit_cleanup(0);
1200
1c3344a1
WD		 1201 case 'A':
1202#ifdef SUPPORT_ACLS
1203 preserve_acls = 1;
1204 preserve_perms = 1;
1205 break;
1206#else
1207 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1208 * warning and then countermeasures taken to
1209 * restrict group and other access in the presence
1210 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1211 * for now */
1212 snprintf(err_buf,sizeof(err_buf),
1213 "ACLs are not supported on this %s\n",
1214 am_server ? "server" : "client");
1215 return 0;
1216#endif
1217
16edf865
WD		 1218 case 'X':
1219#ifdef SUPPORT_XATTRS
524eaa82 1220 preserve_xattrs++;
16edf865
WD		 1221 break;
1222#else
1223 snprintf(err_buf,sizeof(err_buf),
1224 "extended attributes are not supported on this %s\n",
1225 am_server ? "server" : "client");
1226 return 0;
1227#endif
1c3344a1 1228
d853783f 1229 default:
55afbb52 1230 /* A large opt value means that set_refuse_options()
3671987f 1231 * turned this option off. */
c67d1386 1232 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1233 create_refuse_error(opt);
1234 return 0;
27ed20f7 1235 }
3671987f
WD		 1236 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1237 am_server ? "on remote machine: " : "",
1238 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1239 poptStrerror(opt));
dfa32483 1240 return 0;
d853783f 1241 }
7a6421fa 1242 }
2855f61f 1243
ffbffc64 1244 if (human_readable && argc == 2) {
3ca9e5d8 1245 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1246 usage(FINFO);
1247 exit_cleanup(0);
1248 }
1249
332cf6df 1250#ifdef ICONV_OPTION
a4453606 1251 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 1252 if (!am_server && strcmp(iconv_opt, "-") == 0)
1253 iconv_opt = NULL;
1254 else
1255 need_unsorted_flist = 1;
1256 }
1257#endif
1258
a4453606
WD		 1259 if (protect_args == 1) {
1260 if (!frommain)
1261 protect_args = 0;
1262 else if (am_server)
1263 return 1;
1264 }
1265
4f5b0756 1266#ifndef SUPPORT_LINKS
54e87b4b 1267 if (preserve_links && !am_sender) {
e1add893
WD		 1268 snprintf(err_buf, sizeof err_buf,
1269 "symlinks are not supported on this %s\n",
1270 am_server ? "server" : "client");
e1add893
WD		 1271 return 0;
1272 }
1273#endif
1274
4f5b0756 1275#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 1276 if (preserve_hard_links) {
1277 snprintf(err_buf, sizeof err_buf,
1278 "hard links are not supported on this %s\n",
1279 am_server ? "server" : "client");
e1add893
WD		 1280 return 0;
1281 }
1282#endif
1283
9439c0cb
WD		 1284#ifndef SUPPORT_XATTRS
1285 if (am_root < 0) {
1286 snprintf(err_buf, sizeof err_buf,
1287 "--fake-super requires an rsync with extended attributes enabled\n");
1288 return 0;
1289 }
1290#endif
1291
088aac85 1292 if (write_batch && read_batch) {
c3ea0990 1293 snprintf(err_buf, sizeof err_buf,
36119893 1294 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1295 return 0;
088aac85 1296 }
11e758a4 1297 if (write_batch > 0 || read_batch) {
94327ff0
WD		 1298 if (am_server) {
1299 rprintf(FINFO,
1300 "ignoring --%s-batch option sent to server\n",
1301 write_batch ? "write" : "read");
1302 /* We don't actually exit_cleanup(), so that we can
1303 * still service older version clients that still send
1304 * batch args to server. */
1305 read_batch = write_batch = 0;
1306 batch_name = NULL;
254ee3ba
WD		 1307 } else if (dry_run)
1308 write_batch = 0;
b9f592fb 1309 }
36119893 1310 if (read_batch && files_from) {
c3ea0990 1311 snprintf(err_buf, sizeof err_buf,
36119893 1312 "--read-batch cannot be used with --files-from\n");
c3ea0990 1313 return 0;
36119893 1314 }
9b3318b0 1315 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1316 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 1317 "the batch-file name must be %d characters or less.\n",
1318 MAX_BATCH_NAME_LEN);
c3ea0990 1319 return 0;
beb93684 1320 }
088aac85 1321
ce58b1b4 1322 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 1323 snprintf(err_buf, sizeof err_buf,
1324 "the --temp-dir path is WAY too long.\n");
1325 return 0;
ce58b1b4
WD		 1326 }
1327
7b9598b2
WD		 1328 if (max_delete < 0 && max_delete != INT_MIN) {
1329 /* Negative numbers are treated as "no deletions". */
1330 max_delete = 0;
1331 }
1332
1de3e99b 1333 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1334 snprintf(err_buf, sizeof err_buf,
1de3e99b 1335 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD		 1336 return 0;
1337 }
1338
b6164938
WD		 1339 if (files_from) {
1340 if (recurse == 1) /* preserve recurse == 2 */
1341 recurse = 0;
550d4e23 1342 if (xfer_dirs < 0)
b6164938 1343 xfer_dirs = 1;
dfa32483 1344 }
51d48398 1345
b6164938
WD		 1346 if (xfer_dirs < 1)
1347 xfer_dirs = recurse || list_only;
dfa32483 1348
ea5164d1
WD		 1349 if (relative_paths < 0)
1350 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 1351 if (!relative_paths)
1352 implied_dirs = 0;
ea5164d1 1353
e0e32031 1354 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1355 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1356 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 1357 return 0;
1358 }
f5a910dd 1359 if (delete_before || delete_during || delete_after)
51d48398 1360 delete_mode = 1;
3296f91b 1361 else if (delete_mode || delete_excluded) {
e0e32031 1362 /* Only choose now between before & during if one is refused. */
3296f91b 1363 if (refused_delete_before) {
e0e32031
WD		 1364 if (!refused_delete_during)
1365 delete_during = 1;
1366 else {
1367 create_refuse_error(refused_delete_before);
1368 return 0;
1369 }
1370 } else if (refused_delete_during)
1371 delete_before = 1;
1372 delete_mode = 1;
3296f91b 1373 }
89fb5026
WD		 1374 if (!xfer_dirs && delete_mode) {
1375 snprintf(err_buf, sizeof err_buf,
1376 "--delete does not work without -r or -d.\n");
1377 return 0;
f5a910dd 1378 }
51d48398 1379
3671987f
WD		 1380 if (delete_mode && refused_delete) {
1381 create_refuse_error(refused_delete);
1382 return 0;
1383 }
1384
47c11975
WD		 1385 if (remove_source_files) {
1386 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 1387 * via the refusal of "delete", not any of the "delete-FOO"
1388 * options. */
1389 if (refused_delete && am_sender) {
1390 create_refuse_error(refused_delete);
1391 return 0;
1392 }
1393 need_messages_from_generator = 1;
1394 }
1395
ffbffc64
WD		 1396 *argv_p = argv = poptGetArgs(pc);
1397 *argc_p = argc = count_args(argv);
7be73df4
WD		 1398
1399 if (sanitize_paths) {
1400 int i;
ffbffc64 1401 for (i = argc; i-- > 0; )
29bca53f 1402 argv[i] = sanitize_path(NULL, argv[i], "", 0);
1a7f3d99 1403 if (tmpdir)
29bca53f 1404 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
1a7f3d99 1405 if (backup_dir)
29bca53f 1406 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
7be73df4 1407 }
7842418b
WD		 1408 if (server_filter_list.head && !am_sender) {
1409 struct filter_list_struct *elp = &server_filter_list;
c3ea0990 1410 if (tmpdir) {
a1018691 1411 char *dir;
3671987f
WD		 1412 if (!*tmpdir)
1413 goto options_rejected;
a1018691
WD		 1414 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
1415 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1416 if (check_filter(elp, dir, 1) < 0)
c3ea0990
WD		 1417 goto options_rejected;
1418 }
c3ea0990 1419 if (backup_dir) {
a1018691 1420 char *dir;
3671987f
WD		 1421 if (!*backup_dir)
1422 goto options_rejected;
a1018691
WD		 1423 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
1424 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1425 if (check_filter(elp, dir, 1) < 0)
f0fa8c6d 1426 goto options_rejected;
c3ea0990
WD		 1427 }
1428 }
7be73df4 1429
d175d7e1 1430 if (!backup_suffix)
e0391f81 1431 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1432 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1433 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 1434 snprintf(err_buf, sizeof err_buf,
1435 "--suffix cannot contain slashes: %s\n",
80ddadb7 1436 backup_suffix);
c3ea0990 1437 return 0;
80ddadb7 1438 }
e0391f81
WD		 1439 if (backup_dir) {
1440 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1441 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1442 if (backup_dir_remainder < 32) {
c3ea0990
WD		 1443 snprintf(err_buf, sizeof err_buf,
1444 "the --backup-dir path is WAY too long.\n");
1445 return 0;
e0391f81
WD		 1446 }
1447 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1448 backup_dir_buf[backup_dir_len++] = '/';
1449 backup_dir_buf[backup_dir_len] = '\0';
1450 }
0ee6ca98
WD		 1451 if (verbose > 1 && !am_sender)
1452 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 1453 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 1454 snprintf(err_buf, sizeof err_buf,
d175d7e1 1455 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 1456 return 0;
eb8f5c74
WD		 1457 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1458 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 1459 "P *%s", backup_suffix);
eb8f5c74 1460 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 1461 }
fbd91cae
WD		 1462
1463 if (make_backups && !backup_dir) {
1464 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
1465 if (preserve_times > 1)
1466 preserve_times = 1;
1467 } else if (omit_dir_times) {
1468 if (preserve_times > 1)
1469 preserve_times = 1;
1470 }
d175d7e1 1471
b3e4e7ef
WD		 1472 if (stdout_format) {
1473 if (am_server && log_format_has(stdout_format, 'I'))
1474 stdout_format_has_i = 2;
1475 else if (log_format_has(stdout_format, 'i'))
1476 stdout_format_has_i = itemize_changes | 1;
1477 if (!log_format_has(stdout_format, 'b')
1478 && !log_format_has(stdout_format, 'c'))
e7651884
WD		 1479 log_before_transfer = !am_server;
1480 } else if (itemize_changes) {
b3e4e7ef
WD		 1481 stdout_format = "%i %n%L";
1482 stdout_format_has_i = itemize_changes;
e7651884
WD		 1483 log_before_transfer = !am_server;
1484 }
87383697 1485
a892d905 1486 if (do_progress && !verbose && !log_before_transfer && !am_server)
e2559dbe 1487 verbose = 1;
87383697 1488
11e758a4
WD		 1489 if (dry_run)
1490 do_xfers = 0;
1491
9ac756c6
WD		 1492 set_io_timeout(io_timeout);
1493
b3e4e7ef
WD		 1494 if (verbose && !stdout_format) {
1495 stdout_format = "%n%L";
87383697 1496 log_before_transfer = !am_server;
3671987f 1497 }
b3e4e7ef
WD		 1498 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1499 stdout_format_has_o_or_i = 1;
e2559dbe 1500
232658d9 1501 if (logfile_name && !am_daemon) {
b3e4e7ef 1502 if (!logfile_format) {
232658d9 1503 logfile_format = "%i %n%L";
87c0f9d6 1504 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 1505 } else {
1506 if (log_format_has(logfile_format, 'i'))
19b85876 1507 logfile_format_has_i = 1;
b3e4e7ef
WD		 1508 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1509 logfile_format_has_o_or_i = 1;
87c0f9d6 1510 }
6dc9b74b 1511 log_init(0);
2873603a
WD		 1512 } else if (!am_daemon)
1513 logfile_format = NULL;
87c0f9d6 1514
9fb08441
WD		 1515 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1516 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 1517 if (bwlimit) {
1518 bwlimit_writemax = (size_t)bwlimit * 128;
1519 if (bwlimit_writemax < 512)
1520 bwlimit_writemax = 512;
1521 }
1522
cfce9f6d 1523 if (sparse_files && inplace) {
c3851185 1524 /* Note: we don't check for this below, because --append is
cfce9f6d
WD		 1525 * OK with --sparse (as long as redos are handled right). */
1526 snprintf(err_buf, sizeof err_buf,
1527 "--sparse cannot be used with --inplace\n");
1528 return 0;
1529 }
1530
a015788d
WD		 1531 if (append_mode) {
1532 if (whole_file > 0) {
1533 snprintf(err_buf, sizeof err_buf,
1534 "--append cannot be used with --whole-file\n");
1535 return 0;
1536 }
1537 if (refused_inplace) {
1538 create_refuse_error(refused_inplace);
1539 return 0;
1540 }
1541 inplace = 1;
1542 }
1543
f06e7082 1544 if (delay_updates && !partial_dir)
77860bac 1545 partial_dir = tmp_partialdir;
f06e7082 1546
a3221d2a 1547 if (inplace) {
4f5b0756 1548#ifdef HAVE_FTRUNCATE
a7260c40
WD		 1549 if (partial_dir) {
1550 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1551 "--%s cannot be used with --%s\n",
1552 append_mode ? "append" : "inplace",
f06e7082 1553 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 1554 return 0;
1555 }
3671987f
WD		 1556 /* --inplace implies --partial for refusal purposes, but we
1557 * clear the keep_partial flag for internal logic purposes. */
1558 if (refused_partial) {
1559 create_refuse_error(refused_partial);
1560 return 0;
1561 }
a3221d2a 1562 keep_partial = 0;
ded4daf0
WD		 1563#else
1564 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1565 "--%s is not supported on this %s\n",
1566 append_mode ? "append" : "inplace",
ded4daf0
WD		 1567 am_server ? "server" : "client");
1568 return 0;
1569#endif
075aa18f 1570 } else {
bc880cb8 1571 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 1572 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1573 partial_dir = strdup(arg);
1574 }
075aa18f 1575 if (partial_dir) {
3671987f 1576 if (*partial_dir)
b58bfb2f 1577 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 1578 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1579 partial_dir = NULL;
3671987f
WD		 1580 if (!partial_dir && refused_partial) {
1581 create_refuse_error(refused_partial);
1582 return 0;
1583 }
075aa18f
WD		 1584 keep_partial = 1;
1585 }
a3221d2a
WD		 1586 }
1587
ea5164d1 1588 if (files_from) {
305666bf
WD		 1589 char *h, *p;
1590 int q;
ffbffc64 1591 if (argc > 2 || (!am_daemon && argc == 1)) {
ea5164d1
WD		 1592 usage(FERROR);
1593 exit_cleanup(RERR_SYNTAX);
1594 }
63596e1c 1595 if (strcmp(files_from, "-") == 0) {
ea5164d1 1596 filesfrom_fd = 0;
63596e1c 1597 if (am_server)
305666bf
WD		 1598 filesfrom_host = ""; /* reading from socket */
1599 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 1600 if (am_server) {
305666bf
WD		 1601 snprintf(err_buf, sizeof err_buf,
1602 "The --files-from sent to the server cannot specify a host.\n");
1603 return 0;
ea5164d1 1604 }
305666bf
WD		 1605 files_from = p;
1606 filesfrom_host = h;
1607 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 1608 snprintf(err_buf, sizeof err_buf,
1609 "Invalid --files-from remote filename\n");
1610 return 0;
ea5164d1
WD		 1611 }
1612 } else {
305666bf 1613 if (sanitize_paths)
29bca53f 1614 files_from = sanitize_path(NULL, files_from, NULL, 0);
305666bf 1615 if (server_filter_list.head) {
a1018691 1616 char *dir;
305666bf
WD		 1617 if (!*files_from)
1618 goto options_rejected;
a1018691
WD		 1619 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
1620 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1621 if (check_filter(&server_filter_list, dir, 0) < 0)
305666bf
WD		 1622 goto options_rejected;
1623 }
ea5164d1
WD		 1624 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1625 if (filesfrom_fd < 0) {
c3ea0990
WD		 1626 snprintf(err_buf, sizeof err_buf,
1627 "failed to open files-from file %s: %s\n",
1628 files_from, strerror(errno));
1629 return 0;
ea5164d1
WD		 1630 }
1631 }
1632 }
1633
7f2a1f65
WD		 1634 am_starting_up = 0;
1635
b11ed3b1 1636 return 1;
f0fa8c6d
WD		 1637
1638 options_rejected:
1639 snprintf(err_buf, sizeof err_buf,
1640 "Your options have been rejected by the server.\n");
1641 return 0;
7a6421fa
AT		 1642}
1643
1644
dafe63ca
MP		 1645/**
1646 * Construct a filtered list of options to pass through from the
1647 * client to the server.
1648 *
1649 * This involves setting options that will tell the server how to
1650 * behave, and also filtering out options that are processed only
1651 * locally.
1652 **/
ffbffc64 1653void server_options(char **args, int *argc_p)
7a6421fa 1654{
74ba98a5 1655 static char argstr[64];
ffbffc64 1656 int ac = *argc_p;
f98c60bf 1657 char *arg;
d853783f
AT		 1658 int i, x;
1659
def97ff9 1660 /* This should always remain first on the server's command-line. */
d853783f
AT		 1661 args[ac++] = "--server";
1662
e208631a 1663 if (daemon_over_rsh > 0) {
1312d9fc 1664 args[ac++] = "--daemon";
ffbffc64 1665 *argc_p = ac;
1312d9fc
WD		 1666 /* if we're passing --daemon, we're done */
1667 return;
1668 }
1669
d853783f
AT		 1670 if (!am_sender)
1671 args[ac++] = "--sender";
1672
1673 x = 1;
1674 argstr[0] = '-';
a4453606
WD		 1675
1676 if (protect_args)
1677 argstr[x++] = 's';
1678
f98c60bf 1679 for (i = 0; i < verbose; i++)
d853783f 1680 argstr[x++] = 'v';
f0b36a48 1681
b86f0cef 1682 /* the -q option is intentionally left out */
d853783f
AT		 1683 if (make_backups)
1684 argstr[x++] = 'b';
1685 if (update_only)
1686 argstr[x++] = 'u';
2dbf36ef 1687 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 1688 argstr[x++] = 'n';
1689 if (preserve_links)
1690 argstr[x++] = 'l';
3caf4035
WD		 1691 if ((list_only && !recurse) || xfer_dirs > 1
1692 || (xfer_dirs && !recurse && delete_mode && am_sender))
5454d22a 1693 argstr[x++] = 'd';
35bf8fa0
WD		 1694 if (am_sender) {
1695 if (keep_dirlinks)
1696 argstr[x++] = 'K';
876c9936
WD		 1697 if (prune_empty_dirs)
1698 argstr[x++] = 'm';
f9998046 1699 if (omit_dir_times)
35bf8fa0 1700 argstr[x++] = 'O';
2dbf36ef
WD		 1701 } else {
1702 if (copy_links)
1703 argstr[x++] = 'L';
1704 if (copy_dirlinks)
1705 argstr[x++] = 'k';
35bf8fa0 1706 }
1bfbf40b 1707
dfa32483 1708 if (whole_file > 0)
d853783f 1709 argstr[x++] = 'W';
bceec82f
MP		 1710 /* We don't need to send --no-whole-file, because it's the
1711 * default for remote transfers, and in any case old versions
1712 * of rsync will not understand it. */
dfa32483 1713
e0e32031 1714 if (preserve_hard_links) {
d853783f 1715 argstr[x++] = 'H';
e0e32031
WD		 1716 if (preserve_hard_links > 1)
1717 argstr[x++] = 'H';
1718 }
d853783f
AT		 1719 if (preserve_uid)
1720 argstr[x++] = 'o';
1721 if (preserve_gid)
1722 argstr[x++] = 'g';
b5c6a6ae 1723 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT		 1724 argstr[x++] = 'D';
1725 if (preserve_times)
1726 argstr[x++] = 't';
1727 if (preserve_perms)
1728 argstr[x++] = 'p';
344f9ba7
WD		 1729 else if (preserve_executability && am_sender)
1730 argstr[x++] = 'E';
1c3344a1
WD		 1731#ifdef SUPPORT_ACLS
1732 if (preserve_acls)
1733 argstr[x++] = 'A';
16edf865
WD		 1734#endif
1735#ifdef SUPPORT_XATTRS
524eaa82 1736 if (preserve_xattrs) {
16edf865 1737 argstr[x++] = 'X';
524eaa82
WD		 1738 if (preserve_xattrs > 1)
1739 argstr[x++] = 'X';
1740 }
1c3344a1 1741#endif
aa7a6e87 1742 if (recurse)
d853783f
AT		 1743 argstr[x++] = 'r';
1744 if (always_checksum)
1745 argstr[x++] = 'c';
1746 if (cvs_exclude)
1747 argstr[x++] = 'C';
1748 if (ignore_times)
1749 argstr[x++] = 'I';
1750 if (relative_paths)
1751 argstr[x++] = 'R';
243c995f 1752 if (one_file_system) {
d853783f 1753 argstr[x++] = 'x';
243c995f
WD		 1754 if (one_file_system > 1)
1755 argstr[x++] = 'x';
1756 }
d853783f
AT		 1757 if (sparse_files)
1758 argstr[x++] = 'S';
1759 if (do_compression)
1760 argstr[x++] = 'z';
f0b36a48 1761
95def6d9
WD		 1762 /* We make use of the -e option to let the server know about any
1763 * pre-release protocol version && our allow_inc_recurse status. */
1764 set_allow_inc_recurse();
2ed790f3 1765#if SUBPROTOCOL_VERSION != 0
2ed790f3 1766 if (protocol_version == PROTOCOL_VERSION) {
486f8cd1 1767 x += snprintf(argstr+x, sizeof argstr - x,
95def6d9
WD		 1768 "e%d.%d%s", PROTOCOL_VERSION, SUBPROTOCOL_VERSION,
1769 allow_inc_recurse ? "i" : "");
1770 } else
2ed790f3 1771#endif
95def6d9
WD		 1772 if (allow_inc_recurse) {
1773 argstr[x++] = 'e';
1774 argstr[x++] = 'i';
1775 }
486f8cd1 1776
332cf6df
WD		 1777 argstr[x] = '\0';
1778
f98c60bf
WD		 1779 if (x != 1)
1780 args[ac++] = argstr;
d853783f 1781
a4453606
WD		 1782#ifdef ICONV_OPTION
1783 if (iconv_opt) {
1784 char *set = strchr(iconv_opt, ',');
1785 if (set)
1786 set++;
1787 else
1788 set = iconv_opt;
1789 if (asprintf(&arg, "--iconv=%s", set) < 0)
1790 goto oom;
1791 args[ac++] = arg;
1792 }
1793#endif
1794
1795 if (protect_args) /* initial args break here */
1796 args[ac++] = NULL;
1797
51d48398
WD		 1798 if (list_only > 1)
1799 args[ac++] = "--list-only";
1800
f5a910dd
WD		 1801 /* This makes sure that the remote rsync can handle deleting with -d
1802 * sans -r because the --no-r option was added at the same time. */
1803 if (xfer_dirs && !recurse && delete_mode && am_sender)
1804 args[ac++] = "--no-r";
1805
854a1aad
WD		 1806 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
1807 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
1808 goto oom;
1809 args[ac++] = arg;
1810 }
1811
b5c6a6ae
WD		 1812 if (preserve_devices) {
1813 /* Note: sending "--devices" would not be backward-compatible. */
1814 if (!preserve_specials)
1815 args[ac++] = "--no-specials"; /* -D is already set. */
1816 } else if (preserve_specials)
1817 args[ac++] = "--specials";
1818
5c5e1598
WD		 1819 /* The server side doesn't use our log-format, but in certain
1820 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 1821 if (stdout_format && am_sender) {
1822 /* Use --log-format, not --out-format, for compatibility. */
1823 if (stdout_format_has_i > 1)
487094a0 1824 args[ac++] = "--log-format=%i%I";
b3e4e7ef 1825 else if (stdout_format_has_i)
684d7582 1826 args[ac++] = "--log-format=%i";
b3e4e7ef 1827 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 1828 args[ac++] = "--log-format=%o";
1829 else if (!verbose)
1830 args[ac++] = "--log-format=X";
1831 }
1f30a674 1832
195bd906 1833 if (block_size) {
a06b419d 1834 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD		 1835 goto oom;
1836 args[ac++] = arg;
dfa32483 1837 }
d853783f
AT		 1838
1839 if (io_timeout) {
f98c60bf
WD		 1840 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1841 goto oom;
1842 args[ac++] = arg;
dfa32483 1843 }
d853783f 1844
ef5d23eb 1845 if (bwlimit) {
f98c60bf
WD		 1846 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1847 goto oom;
1848 args[ac++] = arg;
ef5d23eb
DD		 1849 }
1850
d175d7e1
WD		 1851 if (backup_dir) {
1852 args[ac++] = "--backup-dir";
1853 args[ac++] = backup_dir;
1854 }
1855
1856 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 1857 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 1858 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD		 1859 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1860 goto oom;
1861 args[ac++] = arg;
d853783f
AT		 1862 }
1863
06a50542 1864 if (am_sender) {
7b9598b2
WD		 1865 if (max_delete > 0) {
1866 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1867 goto oom;
1868 args[ac++] = arg;
1869 } else if (max_delete == 0)
d6ca255c 1870 args[ac++] = "--max-delete=-1";
7b9598b2
WD		 1871 if (min_size) {
1872 args[ac++] = "--min-size";
1873 args[ac++] = min_size_arg;
1874 }
1875 if (max_size) {
1876 args[ac++] = "--max-size";
1877 args[ac++] = max_size_arg;
1878 }
e0e32031 1879 if (delete_before)
c6eb7fad 1880 args[ac++] = "--delete-before";
0d152437
WD		 1881 else if (delete_during == 2)
1882 args[ac++] = "--delete-delay";
1883 else if (delete_during)
1884 args[ac++] = "--delete-during";
1885 else if (delete_after)
06a50542 1886 args[ac++] = "--delete-after";
e0e32031
WD		 1887 else if (delete_mode && !delete_excluded)
1888 args[ac++] = "--delete";
1889 if (delete_excluded)
1890 args[ac++] = "--delete-excluded";
06a50542
WD		 1891 if (force_delete)
1892 args[ac++] = "--force";
11e758a4
WD		 1893 if (write_batch < 0)
1894 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 1895 if (am_root > 1)
1896 args[ac++] = "--super";
f17e769e
WD		 1897 if (size_only)
1898 args[ac++] = "--size-only";
b1e436ec
WD		 1899 } else {
1900 if (skip_compress) {
1901 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
1902 goto oom;
1903 args[ac++] = arg;
1904 }
06a50542 1905 }
b33b791e 1906
5b56cc19 1907 if (modify_window_set) {
f98c60bf
WD		 1908 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1909 goto oom;
1910 args[ac++] = arg;
5b56cc19
AT		 1911 }
1912
c8d895de 1913 if (checksum_seed) {
221ddb94 1914 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 1915 goto oom;
1916 args[ac++] = arg;
1917 }
1918
a7260c40 1919 if (partial_dir && am_sender) {
77860bac 1920 if (partial_dir != tmp_partialdir) {
3671987f
WD		 1921 args[ac++] = "--partial-dir";
1922 args[ac++] = partial_dir;
1923 }
f06e7082
WD		 1924 if (delay_updates)
1925 args[ac++] = "--delay-updates";
77860bac 1926 } else if (keep_partial && am_sender)
d853783f
AT		 1927 args[ac++] = "--partial";
1928
ef55c686
AT		 1929 if (ignore_errors)
1930 args[ac++] = "--ignore-errors";
1931
b5313607
DD		 1932 if (copy_unsafe_links)
1933 args[ac++] = "--copy-unsafe-links";
1934
d853783f
AT		 1935 if (safe_symlinks)
1936 args[ac++] = "--safe-links";
1937
1938 if (numeric_ids)
1939 args[ac++] = "--numeric-ids";
1940
95def6d9
WD		 1941 if (use_qsort)
1942 args[ac++] = "--use-qsort";
1943
4f3797c7
WD		 1944 if (am_sender) {
1945 if (ignore_existing)
1946 args[ac++] = "--ignore-existing";
1947
1948 /* Backward compatibility: send --existing, not --ignore-non-existing. */
1949 if (ignore_non_existing)
1950 args[ac++] = "--existing";
3d6feada 1951
4f3797c7
WD		 1952 if (tmpdir) {
1953 args[ac++] = "--temp-dir";
1954 args[ac++] = tmpdir;
1955 }
1956
1957 if (basis_dir[0]) {
1958 /* the server only needs this option if it is not the sender,
1959 * and it may be an older version that doesn't know this
1960 * option, so don't send it if client is the sender.
1961 */
1962 int i;
1963 for (i = 0; i < basis_dir_cnt; i++) {
1964 args[ac++] = dest_option;
1965 args[ac++] = basis_dir[i];
1966 }
1967 }
1968 }
e90aab49 1969
936fa865
WD		 1970 if (append_mode) {
1971 if (append_mode > 1)
1972 args[ac++] = "--append";
a015788d 1973 args[ac++] = "--append";
936fa865 1974 } else if (inplace)
a3221d2a
WD		 1975 args[ac++] = "--inplace";
1976
305666bf
WD		 1977 if (files_from && (!am_sender || filesfrom_host)) {
1978 if (filesfrom_host) {
ea5164d1 1979 args[ac++] = "--files-from";
305666bf 1980 args[ac++] = files_from;
ea5164d1
WD		 1981 if (eol_nulls)
1982 args[ac++] = "--from0";
1983 } else {
1984 args[ac++] = "--files-from=-";
1985 args[ac++] = "--from0";
1986 }
c0ab28d1
WD		 1987 if (!relative_paths)
1988 args[ac++] = "--no-relative";
ea5164d1 1989 }
33a04593
WD		 1990 /* It's OK that this checks the upper-bound of the protocol_version. */
1991 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 1992 args[ac++] = "--no-implied-dirs";
ea5164d1 1993
c4ed1487
WD		 1994 if (fuzzy_basis && am_sender)
1995 args[ac++] = "--fuzzy";
1996
47c11975
WD		 1997 if (remove_source_files == 1)
1998 args[ac++] = "--remove-source-files";
1999 else if (remove_source_files)
07c6ae7d
WD		 2000 args[ac++] = "--remove-sent-files";
2001
ffbffc64 2002 *argc_p = ac;
f98c60bf
WD		 2003 return;
2004
2005 oom:
2006 out_of_memory("server_options");
7a6421fa
AT		 2007}
2008
305666bf
WD		 2009/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2010 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2011 * memory with the HOST. If a daemon-accessing spec was specified, the value
2012 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2013 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2014 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2015 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2016char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2017{
305666bf
WD		 2018 char *p;
2019 int not_host;
8f4ae68c 2020 int hostlen;
305666bf
WD		 2021
2022 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2023 char *path;
305666bf
WD		 2024 s += strlen(URL_PREFIX);
2025 if ((p = strchr(s, '/')) != NULL) {
2026 hostlen = p - s;
2027 path = p + 1;
2028 } else {
2029 hostlen = strlen(s);
2030 path = "";
2031 }
2032 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
2033 s++;
2034 hostlen = p - s;
c60b7056
WD		 2035 if (p[1] == ':')
2036 *port_ptr = atoi(p+2);
305666bf 2037 } else {
444f9f7b 2038 if ((p = strchr(s, ':')) != NULL && p < s + hostlen) {
305666bf
WD		 2039 hostlen = p - s;
2040 *port_ptr = atoi(p+1);
c60b7056 2041 }
305666bf 2042 }
c60b7056
WD		 2043 if (!*port_ptr)
2044 *port_ptr = RSYNC_PORT;
305666bf
WD		 2045 *host_ptr = new_array(char, hostlen + 1);
2046 strlcpy(*host_ptr, s, hostlen + 1);
2047 return path;
2048 }
ea5164d1 2049
305666bf 2050 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
8f4ae68c
WD		 2051 s++;
2052 hostlen = p - s;
305666bf
WD		 2053 *p = '\0';
2054 not_host = strchr(s, '/') || !strchr(s, ':');
2055 *p = ']';
2056 if (not_host)
2057 return NULL;
c60b7056 2058 p++;
305666bf
WD		 2059 } else {
2060 if (!(p = strchr(s, ':')))
2061 return NULL;
8f4ae68c 2062 hostlen = p - s;
305666bf
WD		 2063 *p = '\0';
2064 not_host = strchr(s, '/') != NULL;
2065 *p = ':';
2066 if (not_host)
2067 return NULL;
2068 }
2069
8f4ae68c
WD		 2070 *host_ptr = new_array(char, hostlen + 1);
2071 strlcpy(*host_ptr, s, hostlen + 1);
ea5164d1 2072
305666bf
WD		 2073 if (p[1] == ':') {
2074 if (port_ptr && !*port_ptr)
2075 *port_ptr = RSYNC_PORT;
2076 return p + 2;
2077 }
2078 if (port_ptr)
2079 *port_ptr = 0;
ea5164d1 2080
305666bf 2081 return p + 1;
ea5164d1 2082}
Matt McCutchen's repository for rsync, the fast and versatile remote file copier