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Make sure that get_xattr_data() never tries to malloc 0 bytes.
[rsync/rsync.git] / options.c
CommitLineData
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;
7842418b
WD		 30extern struct filter_list_struct filter_list;
31extern struct filter_list_struct server_filter_list;
8645af1d 32
7a6421fa 33int make_backups = 0;
1bfbf40b
MP		 34
35/**
dfa32483 36 * If 1, send the whole file as literal data rather than trying to
dafe63ca 37 * create an incremental diff.
1bfbf40b 38 *
dfa32483 39 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 40 *
41 * @sa disable_deltas_p()
1bfbf40b 42 **/
dfa32483 43int whole_file = -1;
1bfbf40b 44
a015788d 45int append_mode = 0;
716e73d4 46int keep_dirlinks = 0;
2dbf36ef 47int copy_dirlinks = 0;
7a6421fa
AT		 48int copy_links = 0;
49int preserve_links = 0;
50int preserve_hard_links = 0;
1c3344a1 51int preserve_acls = 0;
16edf865 52int preserve_xattrs = 0;
7a6421fa 53int preserve_perms = 0;
344f9ba7 54int preserve_executability = 0;
7a6421fa 55int preserve_devices = 0;
b5c6a6ae 56int preserve_specials = 0;
7a6421fa
AT		 57int preserve_uid = 0;
58int preserve_gid = 0;
59int preserve_times = 0;
60int update_only = 0;
61int cvs_exclude = 0;
a5c11139 62int dry_run = 0;
11e758a4 63int do_xfers = 1;
a5c11139
WD		 64int ignore_times = 0;
65int delete_mode = 0;
a51b3168 66int delete_during = 0;
51d48398
WD		 67int delete_before = 0;
68int delete_after = 0;
a5c11139 69int delete_excluded = 0;
47c11975 70int remove_source_files = 0;
a5c11139 71int one_file_system = 0;
4f3e9a0f 72int protocol_version = PROTOCOL_VERSION;
a5c11139
WD		 73int sparse_files = 0;
74int do_compression = 0;
854a1aad 75int def_compress_level = Z_DEFAULT_COMPRESSION;
9439c0cb 76int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 77int am_server = 0;
78int am_sender = 0;
79int am_generator = 0;
80int am_starting_up = 1;
ea5164d1
WD		 81int relative_paths = -1;
82int implied_dirs = 1;
7a6421fa 83int numeric_ids = 0;
5974c662 84int allow_8bit_chars = 0;
7a6421fa
AT		 85int force_delete = 0;
86int io_timeout = 0;
9ac756c6 87int allowed_lull = 0;
876c9936 88int prune_empty_dirs = 0;
8487f9cf 89int use_qsort = 0;
ea5164d1
WD		 90char *files_from = NULL;
91int filesfrom_fd = -1;
305666bf 92char *filesfrom_host = NULL;
ea5164d1 93int eol_nulls = 0;
7a4addaa 94int protect_args = 0;
8f14cc49 95int human_readable = 0;
7a6421fa 96int recurse = 0;
5275029d 97int allow_inc_recurse = 1;
b6164938 98int xfer_dirs = -1;
1312d9fc 99int am_daemon = 0;
a5c11139
WD		 100int do_stats = 0;
101int do_progress = 0;
102int keep_partial = 0;
103int safe_symlinks = 0;
104int copy_unsafe_links = 0;
105int size_only = 0;
9fb08441 106int daemon_bwlimit = 0;
a5c11139 107int bwlimit = 0;
c4ed1487 108int fuzzy_basis = 0;
3c74c3a3 109size_t bwlimit_writemax = 0;
e90aab49
WD		 110int ignore_existing = 0;
111int ignore_non_existing = 0;
07c6ae7d 112int need_messages_from_generator = 0;
7b9598b2 113int max_delete = INT_MIN;
7d5acf1d 114OFF_T max_size = 0;
74de13d1 115OFF_T min_size = 0;
a5c11139
WD		 116int ignore_errors = 0;
117int modify_window = 0;
118int blocking_io = -1;
2289bf64 119int checksum_seed = 0;
a3221d2a 120int inplace = 0;
f06e7082 121int delay_updates = 0;
a06b419d 122long block_size = 0; /* "long" because popt can't set an int32. */
b1e436ec 123char *skip_compress = NULL;
b35d0d8e 124
13e29995 125/** Network address family. **/
24d677fc 126int default_af_hint
4f5b0756 127#ifdef INET6
24d677fc 128 = 0; /* Any protocol */
6ab6d4bf 129#else
24d677fc
WD		 130 = AF_INET; /* Must use IPv4 */
131# ifdef AF_INET6
132# undef AF_INET6
133# endif
134# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 135#endif
06963d0f 136
13e29995
MP		 137/** Do not go into the background when run as --daemon. Good
138 * for debugging and required for running as a service on W32,
139 * or under Unix process-monitors. **/
1f35babc
WD		 140int no_detach
141#if defined _WIN32 || defined __WIN32__
142 = 1;
143#else
144 = 0;
145#endif
13e29995 146
088aac85
DD		 147int write_batch = 0;
148int read_batch = 0;
d175d7e1
WD		 149int backup_dir_len = 0;
150int backup_suffix_len;
e0391f81 151unsigned int backup_dir_remainder;
6902ed17 152
d175d7e1 153char *backup_suffix = NULL;
7a6421fa 154char *tmpdir = NULL;
a7260c40 155char *partial_dir = NULL;
e012f858 156char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 157char *config_file = NULL;
7a6421fa 158char *shell_cmd = NULL;
87c0f9d6
WD		 159char *logfile_name = NULL;
160char *logfile_format = NULL;
b3e4e7ef 161char *stdout_format = NULL;
65575e96 162char *password_file = NULL;
41bd28fe 163char *rsync_path = RSYNC_PATH;
66203a98 164char *backup_dir = NULL;
e0391f81 165char backup_dir_buf[MAXPATHLEN];
831f06a5 166char *sockopts = NULL;
0c56b1ad 167int rsync_port = 0;
dfd7d541 168int compare_dest = 0;
1de3e99b 169int copy_dest = 0;
59c95e42 170int link_dest = 0;
ce0b384f 171int basis_dir_cnt = 0;
f9a9f547 172char *dest_option = NULL;
7a6421fa
AT		 173
174int verbose = 0;
b86f0cef 175int quiet = 0;
dc1f7b9e 176int output_motd = 1;
e7651884 177int log_before_transfer = 0;
b3e4e7ef
WD		 178int stdout_format_has_i = 0;
179int stdout_format_has_o_or_i = 0;
87c0f9d6 180int logfile_format_has_i = 0;
87c0f9d6 181int logfile_format_has_o_or_i = 0;
7a6421fa 182int always_checksum = 0;
f7632fc6 183int list_only = 0;
7a6421fa 184
9b3318b0
WD		 185#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
186char *batch_name = NULL;
6902ed17 187
332cf6df
WD		 188#ifdef ICONV_OPTION
189int need_unsorted_flist = 0;
190char *iconv_opt = ICONV_OPTION;
191#endif
192
dd32e2c3
WD		 193struct chmod_mode_struct *chmod_modes = NULL;
194
e1add893 195static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 196static int omit_dir_times = 0;
aa4d3b4c 197static int F_option_cnt = 0;
5b56cc19 198static int modify_window_set;
624d6be2 199static int itemize_changes = 0;
854a1aad 200static int refused_delete, refused_archive_part, refused_compress;
3296f91b 201static int refused_partial, refused_progress, refused_delete_before;
e0e32031 202static int refused_delete_during;
a015788d 203static int refused_inplace;
74de13d1 204static char *max_size_arg, *min_size_arg;
77860bac 205static char tmp_partialdir[] = ".~tmp~";
5b56cc19 206
06963d0f 207/** Local address to bind. As a character string because it's
fdf57ede 208 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 209 * address, or a hostname. **/
210char *bind_address;
5c9730a4 211
7a24c346 212
27a12348 213static void print_rsync_version(enum logcode f)
7a24c346 214{
2ed790f3 215 char *subprotocol = "";
dfa32483 216 char const *got_socketpair = "no ";
a3221d2a 217 char const *have_inplace = "no ";
dfa32483 218 char const *hardlinks = "no ";
1c3344a1 219 char const *acls = "no ";
16edf865 220 char const *xattrs = "no ";
dfa32483 221 char const *links = "no ";
332cf6df 222 char const *iconv = "no ";
a358449a 223 char const *ipv6 = "no ";
736a6a29 224 STRUCT_STAT *dumstat;
0c80cd8e 225
2ed790f3
WD		 226#if SUBPROTOCOL_VERSION != 0
227 asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION);
228#endif
4f5b0756 229#ifdef HAVE_SOCKETPAIR
dfa32483 230 got_socketpair = "";
0c80cd8e 231#endif
4f5b0756 232#ifdef HAVE_FTRUNCATE
a3221d2a
WD		 233 have_inplace = "";
234#endif
4f5b0756 235#ifdef SUPPORT_HARD_LINKS
dfa32483 236 hardlinks = "";
2855f61f 237#endif
1c3344a1
WD		 238#ifdef SUPPORT_ACLS
239 acls = "";
240#endif
16edf865
WD		 241#ifdef SUPPORT_XATTRS
242 xattrs = "";
243#endif
4f5b0756 244#ifdef SUPPORT_LINKS
dfa32483 245 links = "";
2855f61f 246#endif
4f5b0756 247#ifdef INET6
a358449a 248 ipv6 = "";
dfa32483 249#endif
332cf6df
WD		 250#ifdef ICONV_OPTION
251 iconv = "";
252#endif
a358449a 253
719522b9 254 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 255 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
100018b7 256 rprintf(f, "Copyright (C) 1996-2007 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD		 257 rprintf(f, "Web site: http://rsync.samba.org/\n");
258 rprintf(f, "Capabilities:\n");
259 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD		 260 (int)(sizeof (OFF_T) * 8),
261 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 262 (int)(sizeof (time_t) * 8),
d619ff13
WD		 263 (int)(sizeof (int64) * 8));
264 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
265 got_socketpair, hardlinks, links, ipv6, have_inplace);
332cf6df
WD		 266 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv\n",
267 have_inplace, acls, xattrs, iconv);
2855f61f 268
fc0302cf 269#ifdef MAINTAINER_MODE
29433538 270 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 271#endif
736a6a29 272
031fa9ad
WD		 273#if SIZEOF_INT64 < 8
274 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 275#endif
c561edaa
WD		 276 if (sizeof (int64) != SIZEOF_INT64) {
277 rprintf(f,
278 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
279 (int) SIZEOF_INT64, (int) sizeof (int64));
280 }
7b329a2d 281
b64ee91a
WD		 282 rprintf(f,"\n");
283 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD		 284 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
285 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP		 286}
287
288
0f3203c3 289void usage(enum logcode F)
7a6421fa 290{
2855f61f 291 print_rsync_version(F);
704f908e 292
b64ee91a
WD		 293 rprintf(F,"\n");
294 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 295 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 296
b64ee91a
WD		 297 rprintf(F,"\n");
298 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD		 299 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
300 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
301 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 302 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 303 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 304 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD		 305 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
306 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD		 307 rprintf(F,"\n");
308 rprintf(F,"Options\n");
704f908e 309 rprintf(F," -v, --verbose increase verbosity\n");
b3708acf 310 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 311 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 312 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 313 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 314 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT		 315 rprintf(F," -r, --recursive recurse into directories\n");
316 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 317 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 318 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD		 319 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
320 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
321 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 322 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 323 rprintf(F," --append append data onto shorter files\n");
936fa865 324 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 325 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 326 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD		 327 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
328 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
329 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
2dbf36ef 330 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 331 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 332 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 333 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 334 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 335 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD		 336#ifdef SUPPORT_ACLS
337 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD		 338#endif
339#ifdef SUPPORT_XATTRS
3caafdfd 340 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 341#endif
def97ff9 342 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 343 rprintf(F," -g, --group preserve group\n");
def97ff9 344 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD		 345 rprintf(F," --specials preserve special files\n");
346 rprintf(F," -D same as --devices --specials\n");
42b06481
WD		 347 rprintf(F," -t, --times preserve modification times\n");
348 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
def97ff9 349 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD		 350#ifdef SUPPORT_XATTRS
351 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
352#endif
704f908e
AT		 353 rprintf(F," -S, --sparse handle sparse files efficiently\n");
354 rprintf(F," -n, --dry-run show what would have been transferred\n");
98bf61c8 355 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
704f908e 356 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 357 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 358 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 359 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD		 360 rprintf(F," --existing skip creating new files on receiver\n");
361 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 362 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 363 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 364 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD		 365 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
366 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 367 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 368 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 369 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
db2b5cb7 370 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 371 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 372 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 373 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 374 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 375 rprintf(F," --partial keep partially transferred files\n");
a7260c40 376 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 377 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 378 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 379 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
db2b5cb7 380 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
b3708acf
WD		 381 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
382 rprintf(F," --size-only skip files that match in size\n");
383 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 384 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 385 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 386 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 387 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 388 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 389 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 390 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 391 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 392 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 393 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 394 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 395 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 396 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 397 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 398 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD		 399 rprintf(F," --include-from=FILE read include patterns from FILE\n");
400 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 401 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 402 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
b4ef0bca 403 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 404 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 405 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 406 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 407 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 408 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 409 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 410 rprintf(F," --progress show progress during transfer\n");
b3708acf 411 rprintf(F," -P same as --partial --progress\n");
b78296cb 412 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD		 413 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
414 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
415 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 416 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 417 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD		 418 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
419 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 420 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 421 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 422 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df
WD		 423#ifdef ICONV_OPTION
424 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filesnames\n");
425#endif
4db88e5b
WD		 426 rprintf(F," -4, --ipv4 prefer IPv4\n");
427 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 428 rprintf(F," --version print version number\n");
375d8f91 429 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 430
b64ee91a
WD		 431 rprintf(F,"\n");
432 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 433 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 434 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT		 435}
436
3ac7f5d4 437enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 438 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 439 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 440 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
936fa865 441 OPT_NO_D, OPT_APPEND,
0ccffd7c 442 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 443
2855f61f
MP		 444static struct poptOption long_options[] = {
445 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 446 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 447 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 448 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 449 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 450 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
e86e2fa1 451 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 452 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
453 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 454 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 455 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 456 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
457 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 458 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 459 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
460 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
461 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 462 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 463 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 464 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 465 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
466 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 467 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 468 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
469 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
470 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
471 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
472 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 473 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 474 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
475 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
476 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 477 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
478 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
479 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
f9998046 480 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
b6164938
WD		 481 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
482 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 483 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 484 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
485 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
38b9170c 486 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 487 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
488 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 489 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 490 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
491 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
492 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
493 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
494 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
495 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 496 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
497 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
498 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 499 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD		 500 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
501 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 502 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 503 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
504 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 505 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
506 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
507 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
2dbf36ef 508 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 509 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 510 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 511 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
512 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 513 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
514 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 515 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 516 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 517 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 518 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
519 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 520 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 521 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
522 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 523 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
e86e2fa1 524 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 525 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 526 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 527 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 528 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 529 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
e86e2fa1
WD		 530 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
531 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
936fa865
WD		 532 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
533 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
534 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 535 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 536 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 537 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 538 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
539 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 540 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
541 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
47c11975
WD		 542 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
543 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
afb6e945 544 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
e86e2fa1
WD		 545 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
546 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
547 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 548 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 549 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
550 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
551 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
552 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 553 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 554 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
555 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 556 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 557 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
558 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
559 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 560 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 561 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 562 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 563 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
c4ed1487 564 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
854a1aad 565 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf 566 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
b1e436ec 567 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
8487f9cf 568 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
854a1aad 569 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 570 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 571 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
572 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
573 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
574 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 575 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 576 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
577 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
876c9936 578 {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 579 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 580 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
581 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
582 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 583 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 584 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
585 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
afb6e945 586 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
8487f9cf
WD		 587 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
588 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
589 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 590 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 591 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
592 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 593 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
594 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 595 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 596 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 597 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
598 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD		 599 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
600 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
601 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD		 602 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
603 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
e86e2fa1 604 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 605 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
e86e2fa1
WD		 606 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
607 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
608 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD		 609#ifdef ICONV_OPTION
610 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
611#endif
3dd22903
WD		 612 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
613 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
a6a27602 614 {"8-bit-output", '8', POPT_ARG_NONE, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 615 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD		 616 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
617 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 618 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD		 619 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
620 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
621 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
622 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
623 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 624 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 625 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
626 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 627 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
628 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1f35babc 629 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 630 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 631 {0,0,0,0, 0, 0, 0}
632};
633
634static void daemon_usage(enum logcode F)
635{
636 print_rsync_version(F);
637
b64ee91a
WD		 638 rprintf(F,"\n");
639 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 640 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 641 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4
WD		 642 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
643 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 644 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 645 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 646 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 647 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 648 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD		 649 rprintf(F," -4, --ipv4 prefer IPv4\n");
650 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 651 rprintf(F," --help show this help screen\n");
3ac7f5d4 652
b64ee91a
WD		 653 rprintf(F,"\n");
654 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD		 655 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
656}
657
658static struct poptOption long_daemon_options[] = {
659 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
660 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 661 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 662 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
663 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
3ac7f5d4
WD		 664 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
665 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 666 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 667 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 668 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 669 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 670 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 671 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 672 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
673 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 674 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 675 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 676 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
677 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 678 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 679 {0,0,0,0, 0, 0, 0}
2855f61f 680};
7a6421fa 681
06963d0f 682
e51094b7 683static char err_buf[200];
cd8185f2 684
2855f61f 685
dafe63ca
MP		 686/**
687 * Store the option error message, if any, so that we can log the
688 * connection attempt (which requires parsing the options), and then
689 * show the error later on.
690 **/
cd8185f2
AT		 691void option_error(void)
692{
e51094b7 693 if (!err_buf[0]) {
c9bce0b8
WD		 694 strlcpy(err_buf, "Error parsing options: option may "
695 "be supported on client but not on server?\n",
696 sizeof err_buf);
cd8185f2 697 }
e51094b7 698
e51094b7 699 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 700 msleep(20);
cd8185f2
AT		 701}
702
dafe63ca
MP		 703
704/**
27ed20f7
WD		 705 * Tweak the option table to disable all options that the rsyncd.conf
706 * file has told us to refuse.
dafe63ca 707 **/
27ed20f7 708static void set_refuse_options(char *bp)
cd8185f2 709{
27ed20f7 710 struct poptOption *op;
093e816c 711 char *cp, shortname[2];
d73e7f6e 712 int is_wild, found_match;
093e816c
WD		 713
714 shortname[1] = '\0';
27ed20f7
WD		 715
716 while (1) {
06a50542
WD		 717 while (*bp == ' ') bp++;
718 if (!*bp)
719 break;
27ed20f7
WD		 720 if ((cp = strchr(bp, ' ')) != NULL)
721 *cp= '\0';
093e816c 722 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 723 found_match = 0;
55afbb52 724 for (op = long_options; ; op++) {
093e816c 725 *shortname = op->shortName;
d73e7f6e
WD		 726 if (!op->longName && !*shortname)
727 break;
728 if ((op->longName && wildmatch(bp, op->longName))
684d7582 729 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD		 730 if (op->argInfo == POPT_ARG_VAL)
731 op->argInfo = POPT_ARG_NONE;
06a50542 732 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 733 found_match = 1;
3671987f
WD		 734 /* These flags are set to let us easily check
735 * an implied option later in the code. */
736 switch (*shortname) {
3671987f
WD		 737 case 'r': case 'd': case 'l': case 'p':
738 case 't': case 'g': case 'o': case 'D':
739 refused_archive_part = op->val;
740 break;
854a1aad
WD		 741 case 'z':
742 refused_compress = op->val;
743 break;
3671987f
WD		 744 case '\0':
745 if (wildmatch("delete", op->longName))
746 refused_delete = op->val;
3296f91b
WD		 747 else if (wildmatch("delete-before", op->longName))
748 refused_delete_before = op->val;
e0e32031
WD		 749 else if (wildmatch("delete-during", op->longName))
750 refused_delete_during = op->val;
3671987f
WD		 751 else if (wildmatch("partial", op->longName))
752 refused_partial = op->val;
753 else if (wildmatch("progress", op->longName))
754 refused_progress = op->val;
a015788d
WD		 755 else if (wildmatch("inplace", op->longName))
756 refused_inplace = op->val;
3671987f
WD		 757 break;
758 }
06a50542
WD		 759 if (!is_wild)
760 break;
27ed20f7 761 }
cd8185f2 762 }
d73e7f6e
WD		 763 if (!found_match) {
764 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
765 bp);
766 }
27ed20f7
WD		 767 if (!cp)
768 break;
769 *cp = ' ';
770 bp = cp + 1;
cd8185f2 771 }
cd8185f2
AT		 772}
773
774
8db7cc2c 775static int count_args(const char **argv)
2855f61f 776{
dfa32483 777 int i = 0;
2855f61f 778
8db7cc2c
WD		 779 if (argv) {
780 while (argv[i] != NULL)
781 i++;
782 }
dfa32483
WD		 783
784 return i;
2855f61f
MP		 785}
786
787
837d01dd 788static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 789{
3c19f72c
WD		 790 int reps, mult, make_compatible = 0;
791 const char *arg;
792 OFF_T size = 1;
95e107db 793
2dc7b8bd 794 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 795 if (*arg == '.')
2dc7b8bd 796 for (arg++; isDigit(arg); arg++) {}
3c19f72c 797 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 798 case 'b': case 'B':
3c19f72c 799 reps = 0;
837d01dd 800 break;
95e107db 801 case 'k': case 'K':
3c19f72c 802 reps = 1;
95e107db
WD		 803 break;
804 case 'm': case 'M':
3c19f72c 805 reps = 2;
95e107db
WD		 806 break;
807 case 'g': case 'G':
3c19f72c 808 reps = 3;
95e107db
WD		 809 break;
810 default:
3c19f72c 811 return -1;
95e107db 812 }
3c19f72c
WD		 813 if (*arg == 'b' || *arg == 'B')
814 mult = 1000, make_compatible = 1, arg++;
815 else if (!*arg || *arg == '+' || *arg == '-')
816 mult = 1024;
817 else if (strncasecmp(arg, "ib", 2) == 0)
818 mult = 1024, arg += 2;
819 else
820 return -1;
821 while (reps--)
822 size *= mult;
823 size *= atof(*size_arg);
824 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
825 size += atoi(arg), make_compatible = 1, arg += 2;
826 if (*arg)
827 return -1;
aeb213ea 828 if (size > 0 && make_compatible) {
74de13d1
WD		 829 /* We convert this manually because we may need %lld precision,
830 * and that's not a portable sprintf() escape. */
8f14cc49 831 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 832 OFF_T num = size;
8f14cc49 833 *s = '\0';
aeb213ea 834 while (num) {
26404276 835 *--s = (char)(num % 10) + '0';
aeb213ea
WD		 836 num /= 10;
837 }
838 if (!(*size_arg = strdup(s)))
839 out_of_memory("parse_size_arg");
840 }
95e107db
WD		 841 return size;
842}
843
844
3671987f
WD		 845static void create_refuse_error(int which)
846{
847 /* The "which" value is the index + OPT_REFUSED_BASE. */
848 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
849 int n = snprintf(err_buf, sizeof err_buf,
850 "The server is configured to refuse --%s\n",
851 op->longName) - 1;
852 if (op->shortName) {
853 snprintf(err_buf + n, sizeof err_buf - n,
854 " (-%c)\n", op->shortName);
855 }
856}
857
858
dafe63ca
MP		 859/**
860 * Process command line arguments. Called on both local and remote.
861 *
862 * @retval 1 if all options are OK; with globals set to appropriate
863 * values
864 *
865 * @retval 0 on error, with err_buf containing an explanation
866 **/
ffbffc64 867int parse_arguments(int *argc_p, const char ***argv_p, int frommain)
7a6421fa 868{
7a4addaa 869 static poptContext pc;
ffbffc64
WD		 870 char *ref = lp_refuse_options(module_id);
871 const char *arg, **argv = *argv_p;
872 int argc = *argc_p;
873 int opt;
d853783f 874
27ed20f7
WD		 875 if (ref && *ref)
876 set_refuse_options(ref);
232658d9
WD		 877 if (am_daemon)
878 set_refuse_options("log-file*");
27ed20f7 879
332cf6df 880#ifdef ICONV_OPTION
a4453606 881 if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 882 iconv_opt = strdup(arg);
883#endif
884
dfa32483 885 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 886
dfa32483
WD		 887 /* The context leaks in case of an error, but if there's a
888 * problem we always exit anyhow. */
7a4addaa
WD		 889 if (pc)
890 poptFreeContext(pc);
891 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
892 if (!am_server)
893 poptReadDefaultConfig(pc, 0);
2855f61f
MP		 894
895 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 896 /* most options are handled automatically by popt;
897 * only special cases are returned and listed here. */
2855f61f 898
d853783f
AT		 899 switch (opt) {
900 case OPT_VERSION:
dfa32483 901 print_rsync_version(FINFO);
d853783f 902 exit_cleanup(0);
dfa32483 903
0ccffd7c
WD		 904 case OPT_SERVER:
905 if (!am_server) {
906 /* Disable popt aliases on the server side and
907 * then start parsing the options again. */
908 poptFreeContext(pc);
ffbffc64 909 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD		 910 long_options, 0);
911 am_server = 1;
912 }
332cf6df
WD		 913#ifdef ICONV_OPTION
914 iconv_opt = NULL;
915#endif
0ccffd7c
WD		 916 break;
917
918 case OPT_SENDER:
919 if (!am_server) {
920 usage(FERROR);
921 exit_cleanup(RERR_SYNTAX);
922 }
923 am_sender = 1;
924 break;
925
3ac7f5d4
WD		 926 case OPT_DAEMON:
927 if (am_daemon) {
c9bce0b8
WD		 928 strlcpy(err_buf,
929 "Attempt to hack rsync thwarted!\n",
930 sizeof err_buf);
3ac7f5d4
WD		 931 return 0;
932 }
332cf6df
WD		 933#ifdef ICONV_OPTION
934 iconv_opt = NULL;
935#endif
3ac7f5d4 936 poptFreeContext(pc);
ffbffc64 937 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD		 938 long_daemon_options, 0);
939 while ((opt = poptGetNextOpt(pc)) != -1) {
940 switch (opt) {
941 case 'h':
942 daemon_usage(FINFO);
943 exit_cleanup(0);
944
1bd9db74
WD		 945 case 'v':
946 verbose++;
947 break;
948
3ac7f5d4
WD		 949 default:
950 rprintf(FERROR,
951 "rsync: %s: %s (in daemon mode)\n",
952 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
953 poptStrerror(opt));
954 goto daemon_error;
955 }
956 }
b6e22a47
WD		 957
958 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
959 snprintf(err_buf, sizeof err_buf,
960 "the --temp-dir path is WAY too long.\n");
961 return 0;
962 }
963
3ac7f5d4
WD		 964 if (!daemon_opt) {
965 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
966 daemon_error:
967 rprintf(FERROR,
968 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
969 exit_cleanup(RERR_SYNTAX);
970 }
b6e22a47 971
ffbffc64
WD		 972 *argv_p = argv = poptGetArgs(pc);
973 *argc_p = argc = count_args(argv);
7f2a1f65 974 am_starting_up = 0;
3ac7f5d4
WD		 975 daemon_opt = 0;
976 am_daemon = 1;
977 return 1;
978
5b56cc19 979 case OPT_MODIFY_WINDOW:
dfa32483
WD		 980 /* The value has already been set by popt, but
981 * we need to remember that we're using a
982 * non-default setting. */
5b56cc19
AT		 983 modify_window_set = 1;
984 break;
1de50993 985
aa4d3b4c 986 case OPT_FILTER:
3a5e9224 987 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT		 988 break;
989
aa4d3b4c 990 case OPT_EXCLUDE:
3a5e9224 991 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 992 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 993 break;
994
d853783f 995 case OPT_INCLUDE:
3a5e9224 996 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 997 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT		 998 break;
999
1000 case OPT_EXCLUDE_FROM:
93695764 1001 case OPT_INCLUDE_FROM:
7be73df4 1002 arg = poptGetOptArg(pc);
1a7f3d99 1003 if (sanitize_paths)
91f4b31f 1004 arg = sanitize_path(NULL, arg, NULL, 0, NULL);
7842418b 1005 if (server_filter_list.head) {
200aec7d 1006 int rej;
d3ef9859
WD		 1007 char *cp = strdup(arg);
1008 if (!cp)
1009 out_of_memory("parse_arguments");
3671987f
WD		 1010 if (!*cp)
1011 goto options_rejected;
b58bfb2f 1012 clean_fname(cp, CFN_COLLAPSE_DOT_DOT_DIRS);
200aec7d 1013 rej = check_filter(&server_filter_list, cp, 0) < 0;
d3ef9859 1014 free(cp);
200aec7d
WD		 1015 if (rej)
1016 goto options_rejected;
ba3db479 1017 }
3a5e9224
WD		 1018 parse_filter_file(&filter_list, arg,
1019 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1020 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1021 break;
1022
b6164938
WD		 1023 case 'a':
1024 if (refused_archive_part) {
1025 create_refuse_error(refused_archive_part);
1026 return 0;
1027 }
1028 if (!recurse) /* preserve recurse == 2 */
1029 recurse = 1;
1030#ifdef SUPPORT_LINKS
1031 preserve_links = 1;
1032#endif
1033 preserve_perms = 1;
f9998046 1034 preserve_times = 2;
b6164938
WD		 1035 preserve_gid = 1;
1036 preserve_uid = 1;
1037 preserve_devices = 1;
b5c6a6ae
WD		 1038 preserve_specials = 1;
1039 break;
1040
1041 case 'D':
1042 preserve_devices = preserve_specials = 1;
1043 break;
1044
1045 case OPT_NO_D:
1046 preserve_devices = preserve_specials = 0;
b6164938
WD		 1047 break;
1048
3ca9e5d8
WD		 1049 case 'h':
1050 human_readable++;
1051 break;
1052
e0e32031
WD		 1053 case 'H':
1054 preserve_hard_links++;
1055 break;
1056
487094a0
WD		 1057 case 'i':
1058 itemize_changes++;
1059 break;
1060
d853783f
AT		 1061 case 'v':
1062 verbose++;
1063 break;
7a6421fa 1064
b86f0cef 1065 case 'q':
f98c60bf
WD		 1066 if (frommain)
1067 quiet++;
b86f0cef
DD		 1068 break;
1069
243c995f
WD		 1070 case 'x':
1071 one_file_system++;
1072 break;
1073
aa4d3b4c
WD		 1074 case 'F':
1075 switch (++F_option_cnt) {
1076 case 1:
3a5e9224 1077 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD		 1078 break;
1079 case 2:
3a5e9224 1080 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD		 1081 break;
1082 }
1083 break;
1084
d9fcc198 1085 case 'P':
3671987f
WD		 1086 if (refused_partial || refused_progress) {
1087 create_refuse_error(refused_partial
1088 ? refused_partial : refused_progress);
1089 return 0;
1090 }
d9fcc198
AT		 1091 do_progress = 1;
1092 keep_partial = 1;
1093 break;
1094
854a1aad
WD		 1095 case 'z':
1096 if (def_compress_level < Z_DEFAULT_COMPRESSION
1097 || def_compress_level > Z_BEST_COMPRESSION) {
1098 snprintf(err_buf, sizeof err_buf,
1099 "--compress-level value is invalid: %d\n",
1100 def_compress_level);
1101 return 0;
1102 }
1103 do_compression = def_compress_level != Z_NO_COMPRESSION;
1104 if (do_compression && refused_compress) {
1105 create_refuse_error(refused_compress);
1106 return 0;
1107 }
1108 break;
1109
088aac85 1110 case OPT_WRITE_BATCH:
9b3318b0 1111 /* batch_name is already set */
088aac85
DD		 1112 write_batch = 1;
1113 break;
1114
11e758a4
WD		 1115 case OPT_ONLY_WRITE_BATCH:
1116 /* batch_name is already set */
1117 write_batch = -1;
1118 break;
1119
76f79ba7 1120 case OPT_READ_BATCH:
9b3318b0 1121 /* batch_name is already set */
6902ed17
MP		 1122 read_batch = 1;
1123 break;
ea5164d1 1124
7d5acf1d 1125 case OPT_MAX_SIZE:
837d01dd 1126 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1127 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD		 1128 "--max-size value is invalid: %s\n",
1129 max_size_arg);
e012f858 1130 return 0;
7d5acf1d
WD		 1131 }
1132 break;
1133
74de13d1
WD		 1134 case OPT_MIN_SIZE:
1135 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1136 snprintf(err_buf, sizeof err_buf,
1137 "--min-size value is invalid: %s\n",
1138 min_size_arg);
1139 return 0;
1140 }
1141 break;
1142
936fa865
WD		 1143 case OPT_APPEND:
1144 if (am_server)
1145 append_mode++;
1146 else
1147 append_mode = 1;
1148 break;
1149
59c95e42 1150 case OPT_LINK_DEST:
fcecb70b 1151#ifdef SUPPORT_HARD_LINKS
59c95e42 1152 link_dest = 1;
e012f858
WD		 1153 dest_option = "--link-dest";
1154 goto set_dest_dir;
59c95e42 1155#else
d175d7e1 1156 snprintf(err_buf, sizeof err_buf,
dfa32483 1157 "hard links are not supported on this %s\n",
59c95e42 1158 am_server ? "server" : "client");
59c95e42
DD		 1159 return 0;
1160#endif
1161
1de3e99b
WD		 1162 case OPT_COPY_DEST:
1163 copy_dest = 1;
1164 dest_option = "--copy-dest";
1165 goto set_dest_dir;
1166
e012f858
WD		 1167 case OPT_COMPARE_DEST:
1168 compare_dest = 1;
1169 dest_option = "--compare-dest";
1170 set_dest_dir:
3b26bba0 1171 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1172 snprintf(err_buf, sizeof err_buf,
1173 "ERROR: at most %d %s args may be specified\n",
1174 MAX_BASIS_DIRS, dest_option);
1175 return 0;
1176 }
ad77db8b
WD		 1177 /* We defer sanitizing this arg until we know what
1178 * our destination directory is going to be. */
1179 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1180 break;
1181
e16adcdf
WD		 1182 case OPT_CHMOD:
1183 arg = poptGetOptArg(pc);
bbe42182 1184 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD		 1185 snprintf(err_buf, sizeof err_buf,
1186 "Invalid argument passed to --chmod (%s)\n",
1187 arg);
1188 return 0;
1189 }
1190 break;
1191
f5a910dd
WD		 1192 case OPT_HELP:
1193 usage(FINFO);
1194 exit_cleanup(0);
1195
1c3344a1
WD		 1196 case 'A':
1197#ifdef SUPPORT_ACLS
1198 preserve_acls = 1;
1199 preserve_perms = 1;
1200 break;
1201#else
1202 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1203 * warning and then countermeasures taken to
1204 * restrict group and other access in the presence
1205 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1206 * for now */
1207 snprintf(err_buf,sizeof(err_buf),
1208 "ACLs are not supported on this %s\n",
1209 am_server ? "server" : "client");
1210 return 0;
1211#endif
1212
16edf865
WD		 1213 case 'X':
1214#ifdef SUPPORT_XATTRS
524eaa82 1215 preserve_xattrs++;
16edf865
WD		 1216 break;
1217#else
1218 snprintf(err_buf,sizeof(err_buf),
1219 "extended attributes are not supported on this %s\n",
1220 am_server ? "server" : "client");
1221 return 0;
1222#endif
1c3344a1 1223
d853783f 1224 default:
55afbb52 1225 /* A large opt value means that set_refuse_options()
3671987f 1226 * turned this option off. */
c67d1386 1227 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1228 create_refuse_error(opt);
1229 return 0;
27ed20f7 1230 }
3671987f
WD		 1231 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1232 am_server ? "on remote machine: " : "",
1233 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1234 poptStrerror(opt));
dfa32483 1235 return 0;
d853783f 1236 }
7a6421fa 1237 }
2855f61f 1238
ffbffc64 1239 if (human_readable && argc == 2) {
3ca9e5d8 1240 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1241 usage(FINFO);
1242 exit_cleanup(0);
1243 }
1244
332cf6df 1245#ifdef ICONV_OPTION
a4453606 1246 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 1247 if (!am_server && strcmp(iconv_opt, "-") == 0)
1248 iconv_opt = NULL;
1249 else
1250 need_unsorted_flist = 1;
1251 }
1252#endif
1253
a4453606
WD		 1254 if (protect_args == 1) {
1255 if (!frommain)
1256 protect_args = 0;
1257 else if (am_server)
1258 return 1;
1259 }
1260
4f5b0756 1261#ifndef SUPPORT_LINKS
54e87b4b 1262 if (preserve_links && !am_sender) {
e1add893
WD		 1263 snprintf(err_buf, sizeof err_buf,
1264 "symlinks are not supported on this %s\n",
1265 am_server ? "server" : "client");
e1add893
WD		 1266 return 0;
1267 }
1268#endif
1269
4f5b0756 1270#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 1271 if (preserve_hard_links) {
1272 snprintf(err_buf, sizeof err_buf,
1273 "hard links are not supported on this %s\n",
1274 am_server ? "server" : "client");
e1add893
WD		 1275 return 0;
1276 }
1277#endif
1278
9439c0cb
WD		 1279#ifndef SUPPORT_XATTRS
1280 if (am_root < 0) {
1281 snprintf(err_buf, sizeof err_buf,
1282 "--fake-super requires an rsync with extended attributes enabled\n");
1283 return 0;
1284 }
1285#endif
1286
088aac85 1287 if (write_batch && read_batch) {
c3ea0990 1288 snprintf(err_buf, sizeof err_buf,
36119893 1289 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1290 return 0;
088aac85 1291 }
11e758a4 1292 if (write_batch > 0 || read_batch) {
94327ff0
WD		 1293 if (am_server) {
1294 rprintf(FINFO,
1295 "ignoring --%s-batch option sent to server\n",
1296 write_batch ? "write" : "read");
1297 /* We don't actually exit_cleanup(), so that we can
1298 * still service older version clients that still send
1299 * batch args to server. */
1300 read_batch = write_batch = 0;
1301 batch_name = NULL;
254ee3ba
WD		 1302 } else if (dry_run)
1303 write_batch = 0;
b9f592fb 1304 }
36119893 1305 if (read_batch && files_from) {
c3ea0990 1306 snprintf(err_buf, sizeof err_buf,
36119893 1307 "--read-batch cannot be used with --files-from\n");
c3ea0990 1308 return 0;
36119893 1309 }
9b3318b0 1310 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1311 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 1312 "the batch-file name must be %d characters or less.\n",
1313 MAX_BATCH_NAME_LEN);
c3ea0990 1314 return 0;
beb93684 1315 }
088aac85 1316
ce58b1b4 1317 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 1318 snprintf(err_buf, sizeof err_buf,
1319 "the --temp-dir path is WAY too long.\n");
1320 return 0;
ce58b1b4
WD		 1321 }
1322
7b9598b2
WD		 1323 if (max_delete < 0 && max_delete != INT_MIN) {
1324 /* Negative numbers are treated as "no deletions". */
1325 max_delete = 0;
1326 }
1327
1de3e99b 1328 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1329 snprintf(err_buf, sizeof err_buf,
1de3e99b 1330 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD		 1331 return 0;
1332 }
1333
b6164938
WD		 1334 if (files_from) {
1335 if (recurse == 1) /* preserve recurse == 2 */
1336 recurse = 0;
550d4e23 1337 if (xfer_dirs < 0)
b6164938 1338 xfer_dirs = 1;
dfa32483 1339 }
51d48398 1340
b6164938
WD		 1341 if (xfer_dirs < 1)
1342 xfer_dirs = recurse || list_only;
dfa32483 1343
ea5164d1
WD		 1344 if (relative_paths < 0)
1345 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 1346 if (!relative_paths)
1347 implied_dirs = 0;
ea5164d1 1348
e0e32031 1349 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1350 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1351 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 1352 return 0;
1353 }
f5a910dd 1354 if (delete_before || delete_during || delete_after)
51d48398 1355 delete_mode = 1;
3296f91b 1356 else if (delete_mode || delete_excluded) {
e0e32031 1357 /* Only choose now between before & during if one is refused. */
3296f91b 1358 if (refused_delete_before) {
e0e32031
WD		 1359 if (!refused_delete_during)
1360 delete_during = 1;
1361 else {
1362 create_refuse_error(refused_delete_before);
1363 return 0;
1364 }
1365 } else if (refused_delete_during)
1366 delete_before = 1;
1367 delete_mode = 1;
3296f91b 1368 }
89fb5026
WD		 1369 if (!xfer_dirs && delete_mode) {
1370 snprintf(err_buf, sizeof err_buf,
1371 "--delete does not work without -r or -d.\n");
1372 return 0;
f5a910dd 1373 }
51d48398 1374
3671987f
WD		 1375 if (delete_mode && refused_delete) {
1376 create_refuse_error(refused_delete);
1377 return 0;
1378 }
1379
47c11975
WD		 1380 if (remove_source_files) {
1381 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 1382 * via the refusal of "delete", not any of the "delete-FOO"
1383 * options. */
1384 if (refused_delete && am_sender) {
1385 create_refuse_error(refused_delete);
1386 return 0;
1387 }
1388 need_messages_from_generator = 1;
1389 }
1390
ffbffc64
WD		 1391 *argv_p = argv = poptGetArgs(pc);
1392 *argc_p = argc = count_args(argv);
7be73df4
WD		 1393
1394 if (sanitize_paths) {
1395 int i;
ffbffc64
WD		 1396 for (i = argc; i-- > 0; )
1397 argv[i] = sanitize_path(NULL, argv[i], "", 0, NULL);
1a7f3d99 1398 if (tmpdir)
91f4b31f 1399 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, NULL);
1a7f3d99 1400 if (backup_dir)
91f4b31f 1401 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, NULL);
7be73df4 1402 }
7842418b
WD		 1403 if (server_filter_list.head && !am_sender) {
1404 struct filter_list_struct *elp = &server_filter_list;
c3ea0990 1405 if (tmpdir) {
3671987f
WD		 1406 if (!*tmpdir)
1407 goto options_rejected;
b58bfb2f 1408 clean_fname(tmpdir, CFN_COLLAPSE_DOT_DOT_DIRS);
7842418b 1409 if (check_filter(elp, tmpdir, 1) < 0)
c3ea0990
WD		 1410 goto options_rejected;
1411 }
c3ea0990 1412 if (backup_dir) {
3671987f
WD		 1413 if (!*backup_dir)
1414 goto options_rejected;
b58bfb2f 1415 clean_fname(backup_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
f0fa8c6d
WD		 1416 if (check_filter(elp, backup_dir, 1) < 0)
1417 goto options_rejected;
c3ea0990
WD		 1418 }
1419 }
7be73df4 1420
d175d7e1 1421 if (!backup_suffix)
e0391f81 1422 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1423 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1424 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 1425 snprintf(err_buf, sizeof err_buf,
1426 "--suffix cannot contain slashes: %s\n",
80ddadb7 1427 backup_suffix);
c3ea0990 1428 return 0;
80ddadb7 1429 }
e0391f81
WD		 1430 if (backup_dir) {
1431 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1432 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1433 if (backup_dir_remainder < 32) {
c3ea0990
WD		 1434 snprintf(err_buf, sizeof err_buf,
1435 "the --backup-dir path is WAY too long.\n");
1436 return 0;
e0391f81
WD		 1437 }
1438 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1439 backup_dir_buf[backup_dir_len++] = '/';
1440 backup_dir_buf[backup_dir_len] = '\0';
1441 }
0ee6ca98
WD		 1442 if (verbose > 1 && !am_sender)
1443 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 1444 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 1445 snprintf(err_buf, sizeof err_buf,
d175d7e1 1446 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 1447 return 0;
eb8f5c74
WD		 1448 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1449 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 1450 "P *%s", backup_suffix);
eb8f5c74 1451 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 1452 }
fbd91cae
WD		 1453
1454 if (make_backups && !backup_dir) {
1455 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
1456 if (preserve_times > 1)
1457 preserve_times = 1;
1458 } else if (omit_dir_times) {
1459 if (preserve_times > 1)
1460 preserve_times = 1;
1461 }
d175d7e1 1462
b3e4e7ef
WD		 1463 if (stdout_format) {
1464 if (am_server && log_format_has(stdout_format, 'I'))
1465 stdout_format_has_i = 2;
1466 else if (log_format_has(stdout_format, 'i'))
1467 stdout_format_has_i = itemize_changes | 1;
1468 if (!log_format_has(stdout_format, 'b')
1469 && !log_format_has(stdout_format, 'c'))
e7651884
WD		 1470 log_before_transfer = !am_server;
1471 } else if (itemize_changes) {
b3e4e7ef
WD		 1472 stdout_format = "%i %n%L";
1473 stdout_format_has_i = itemize_changes;
e7651884
WD		 1474 log_before_transfer = !am_server;
1475 }
87383697 1476
a892d905 1477 if (do_progress && !verbose && !log_before_transfer && !am_server)
e2559dbe 1478 verbose = 1;
87383697 1479
11e758a4
WD		 1480 if (dry_run)
1481 do_xfers = 0;
1482
9ac756c6
WD		 1483 set_io_timeout(io_timeout);
1484
b3e4e7ef
WD		 1485 if (verbose && !stdout_format) {
1486 stdout_format = "%n%L";
87383697 1487 log_before_transfer = !am_server;
3671987f 1488 }
b3e4e7ef
WD		 1489 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1490 stdout_format_has_o_or_i = 1;
e2559dbe 1491
232658d9 1492 if (logfile_name && !am_daemon) {
b3e4e7ef 1493 if (!logfile_format) {
232658d9 1494 logfile_format = "%i %n%L";
87c0f9d6 1495 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 1496 } else {
1497 if (log_format_has(logfile_format, 'i'))
19b85876 1498 logfile_format_has_i = 1;
b3e4e7ef
WD		 1499 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1500 logfile_format_has_o_or_i = 1;
87c0f9d6 1501 }
6dc9b74b 1502 log_init(0);
2873603a
WD		 1503 } else if (!am_daemon)
1504 logfile_format = NULL;
87c0f9d6 1505
9fb08441
WD		 1506 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1507 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 1508 if (bwlimit) {
1509 bwlimit_writemax = (size_t)bwlimit * 128;
1510 if (bwlimit_writemax < 512)
1511 bwlimit_writemax = 512;
1512 }
1513
cfce9f6d 1514 if (sparse_files && inplace) {
c3851185 1515 /* Note: we don't check for this below, because --append is
cfce9f6d
WD		 1516 * OK with --sparse (as long as redos are handled right). */
1517 snprintf(err_buf, sizeof err_buf,
1518 "--sparse cannot be used with --inplace\n");
1519 return 0;
1520 }
1521
a015788d
WD		 1522 if (append_mode) {
1523 if (whole_file > 0) {
1524 snprintf(err_buf, sizeof err_buf,
1525 "--append cannot be used with --whole-file\n");
1526 return 0;
1527 }
1528 if (refused_inplace) {
1529 create_refuse_error(refused_inplace);
1530 return 0;
1531 }
1532 inplace = 1;
1533 }
1534
f06e7082 1535 if (delay_updates && !partial_dir)
77860bac 1536 partial_dir = tmp_partialdir;
f06e7082 1537
a3221d2a 1538 if (inplace) {
4f5b0756 1539#ifdef HAVE_FTRUNCATE
a7260c40
WD		 1540 if (partial_dir) {
1541 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1542 "--%s cannot be used with --%s\n",
1543 append_mode ? "append" : "inplace",
f06e7082 1544 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 1545 return 0;
1546 }
3671987f
WD		 1547 /* --inplace implies --partial for refusal purposes, but we
1548 * clear the keep_partial flag for internal logic purposes. */
1549 if (refused_partial) {
1550 create_refuse_error(refused_partial);
1551 return 0;
1552 }
a3221d2a 1553 keep_partial = 0;
ded4daf0
WD		 1554#else
1555 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1556 "--%s is not supported on this %s\n",
1557 append_mode ? "append" : "inplace",
ded4daf0
WD		 1558 am_server ? "server" : "client");
1559 return 0;
1560#endif
075aa18f 1561 } else {
bc880cb8 1562 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 1563 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1564 partial_dir = strdup(arg);
1565 }
075aa18f 1566 if (partial_dir) {
3671987f 1567 if (*partial_dir)
b58bfb2f 1568 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 1569 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1570 partial_dir = NULL;
3671987f
WD		 1571 if (!partial_dir && refused_partial) {
1572 create_refuse_error(refused_partial);
1573 return 0;
1574 }
075aa18f
WD		 1575 keep_partial = 1;
1576 }
a3221d2a
WD		 1577 }
1578
ea5164d1 1579 if (files_from) {
305666bf
WD		 1580 char *h, *p;
1581 int q;
ffbffc64 1582 if (argc > 2 || (!am_daemon && argc == 1)) {
ea5164d1
WD		 1583 usage(FERROR);
1584 exit_cleanup(RERR_SYNTAX);
1585 }
63596e1c 1586 if (strcmp(files_from, "-") == 0) {
ea5164d1 1587 filesfrom_fd = 0;
63596e1c 1588 if (am_server)
305666bf
WD		 1589 filesfrom_host = ""; /* reading from socket */
1590 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 1591 if (am_server) {
305666bf
WD		 1592 snprintf(err_buf, sizeof err_buf,
1593 "The --files-from sent to the server cannot specify a host.\n");
1594 return 0;
ea5164d1 1595 }
305666bf
WD		 1596 files_from = p;
1597 filesfrom_host = h;
1598 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 1599 snprintf(err_buf, sizeof err_buf,
1600 "Invalid --files-from remote filename\n");
1601 return 0;
ea5164d1
WD		 1602 }
1603 } else {
305666bf 1604 if (sanitize_paths)
91f4b31f 1605 files_from = sanitize_path(NULL, files_from, NULL, 0, NULL);
305666bf
WD		 1606 if (server_filter_list.head) {
1607 if (!*files_from)
1608 goto options_rejected;
b58bfb2f 1609 clean_fname(files_from, CFN_COLLAPSE_DOT_DOT_DIRS);
305666bf
WD		 1610 if (check_filter(&server_filter_list, files_from, 0) < 0)
1611 goto options_rejected;
1612 }
ea5164d1
WD		 1613 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1614 if (filesfrom_fd < 0) {
c3ea0990
WD		 1615 snprintf(err_buf, sizeof err_buf,
1616 "failed to open files-from file %s: %s\n",
1617 files_from, strerror(errno));
1618 return 0;
ea5164d1
WD		 1619 }
1620 }
1621 }
1622
7f2a1f65
WD		 1623 am_starting_up = 0;
1624
b11ed3b1 1625 return 1;
f0fa8c6d
WD		 1626
1627 options_rejected:
1628 snprintf(err_buf, sizeof err_buf,
1629 "Your options have been rejected by the server.\n");
1630 return 0;
7a6421fa
AT		 1631}
1632
1633
dafe63ca
MP		 1634/**
1635 * Construct a filtered list of options to pass through from the
1636 * client to the server.
1637 *
1638 * This involves setting options that will tell the server how to
1639 * behave, and also filtering out options that are processed only
1640 * locally.
1641 **/
ffbffc64 1642void server_options(char **args, int *argc_p)
7a6421fa 1643{
74ba98a5 1644 static char argstr[64];
ffbffc64 1645 int ac = *argc_p;
f98c60bf 1646 char *arg;
d853783f
AT		 1647 int i, x;
1648
def97ff9 1649 /* This should always remain first on the server's command-line. */
d853783f
AT		 1650 args[ac++] = "--server";
1651
e208631a 1652 if (daemon_over_rsh > 0) {
1312d9fc 1653 args[ac++] = "--daemon";
ffbffc64 1654 *argc_p = ac;
1312d9fc
WD		 1655 /* if we're passing --daemon, we're done */
1656 return;
1657 }
1658
d853783f
AT		 1659 if (!am_sender)
1660 args[ac++] = "--sender";
1661
1662 x = 1;
1663 argstr[0] = '-';
a4453606
WD		 1664
1665 if (protect_args)
1666 argstr[x++] = 's';
1667
f98c60bf 1668 for (i = 0; i < verbose; i++)
d853783f 1669 argstr[x++] = 'v';
f0b36a48 1670
b86f0cef 1671 /* the -q option is intentionally left out */
d853783f
AT		 1672 if (make_backups)
1673 argstr[x++] = 'b';
1674 if (update_only)
1675 argstr[x++] = 'u';
2dbf36ef 1676 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 1677 argstr[x++] = 'n';
1678 if (preserve_links)
1679 argstr[x++] = 'l';
3caf4035
WD		 1680 if ((list_only && !recurse) || xfer_dirs > 1
1681 || (xfer_dirs && !recurse && delete_mode && am_sender))
5454d22a 1682 argstr[x++] = 'd';
35bf8fa0
WD		 1683 if (am_sender) {
1684 if (keep_dirlinks)
1685 argstr[x++] = 'K';
876c9936
WD		 1686 if (prune_empty_dirs)
1687 argstr[x++] = 'm';
f9998046 1688 if (omit_dir_times)
35bf8fa0 1689 argstr[x++] = 'O';
2dbf36ef
WD		 1690 } else {
1691 if (copy_links)
1692 argstr[x++] = 'L';
1693 if (copy_dirlinks)
1694 argstr[x++] = 'k';
35bf8fa0 1695 }
1bfbf40b 1696
dfa32483 1697 if (whole_file > 0)
d853783f 1698 argstr[x++] = 'W';
bceec82f
MP		 1699 /* We don't need to send --no-whole-file, because it's the
1700 * default for remote transfers, and in any case old versions
1701 * of rsync will not understand it. */
dfa32483 1702
e0e32031 1703 if (preserve_hard_links) {
d853783f 1704 argstr[x++] = 'H';
e0e32031
WD		 1705 if (preserve_hard_links > 1)
1706 argstr[x++] = 'H';
1707 }
d853783f
AT		 1708 if (preserve_uid)
1709 argstr[x++] = 'o';
1710 if (preserve_gid)
1711 argstr[x++] = 'g';
b5c6a6ae 1712 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT		 1713 argstr[x++] = 'D';
1714 if (preserve_times)
1715 argstr[x++] = 't';
1716 if (preserve_perms)
1717 argstr[x++] = 'p';
344f9ba7
WD		 1718 else if (preserve_executability && am_sender)
1719 argstr[x++] = 'E';
1c3344a1
WD		 1720#ifdef SUPPORT_ACLS
1721 if (preserve_acls)
1722 argstr[x++] = 'A';
16edf865
WD		 1723#endif
1724#ifdef SUPPORT_XATTRS
524eaa82 1725 if (preserve_xattrs) {
16edf865 1726 argstr[x++] = 'X';
524eaa82
WD		 1727 if (preserve_xattrs > 1)
1728 argstr[x++] = 'X';
1729 }
1c3344a1 1730#endif
aa7a6e87 1731 if (recurse)
d853783f
AT		 1732 argstr[x++] = 'r';
1733 if (always_checksum)
1734 argstr[x++] = 'c';
1735 if (cvs_exclude)
1736 argstr[x++] = 'C';
1737 if (ignore_times)
1738 argstr[x++] = 'I';
1739 if (relative_paths)
1740 argstr[x++] = 'R';
243c995f 1741 if (one_file_system) {
d853783f 1742 argstr[x++] = 'x';
243c995f
WD		 1743 if (one_file_system > 1)
1744 argstr[x++] = 'x';
1745 }
d853783f
AT		 1746 if (sparse_files)
1747 argstr[x++] = 'S';
1748 if (do_compression)
1749 argstr[x++] = 'z';
f0b36a48 1750
95def6d9
WD		 1751 /* We make use of the -e option to let the server know about any
1752 * pre-release protocol version && our allow_inc_recurse status. */
1753 set_allow_inc_recurse();
2ed790f3 1754#if SUBPROTOCOL_VERSION != 0
2ed790f3 1755 if (protocol_version == PROTOCOL_VERSION) {
486f8cd1 1756 x += snprintf(argstr+x, sizeof argstr - x,
95def6d9
WD		 1757 "e%d.%d%s", PROTOCOL_VERSION, SUBPROTOCOL_VERSION,
1758 allow_inc_recurse ? "i" : "");
1759 } else
2ed790f3 1760#endif
95def6d9
WD		 1761 if (allow_inc_recurse) {
1762 argstr[x++] = 'e';
1763 argstr[x++] = 'i';
1764 }
486f8cd1 1765
332cf6df
WD		 1766 argstr[x] = '\0';
1767
f98c60bf
WD		 1768 if (x != 1)
1769 args[ac++] = argstr;
d853783f 1770
a4453606
WD		 1771#ifdef ICONV_OPTION
1772 if (iconv_opt) {
1773 char *set = strchr(iconv_opt, ',');
1774 if (set)
1775 set++;
1776 else
1777 set = iconv_opt;
1778 if (asprintf(&arg, "--iconv=%s", set) < 0)
1779 goto oom;
1780 args[ac++] = arg;
1781 }
1782#endif
1783
1784 if (protect_args) /* initial args break here */
1785 args[ac++] = NULL;
1786
51d48398
WD		 1787 if (list_only > 1)
1788 args[ac++] = "--list-only";
1789
f5a910dd
WD		 1790 /* This makes sure that the remote rsync can handle deleting with -d
1791 * sans -r because the --no-r option was added at the same time. */
1792 if (xfer_dirs && !recurse && delete_mode && am_sender)
1793 args[ac++] = "--no-r";
1794
854a1aad
WD		 1795 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
1796 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
1797 goto oom;
1798 args[ac++] = arg;
1799 }
1800
b5c6a6ae
WD		 1801 if (preserve_devices) {
1802 /* Note: sending "--devices" would not be backward-compatible. */
1803 if (!preserve_specials)
1804 args[ac++] = "--no-specials"; /* -D is already set. */
1805 } else if (preserve_specials)
1806 args[ac++] = "--specials";
1807
5c5e1598
WD		 1808 /* The server side doesn't use our log-format, but in certain
1809 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 1810 if (stdout_format && am_sender) {
1811 /* Use --log-format, not --out-format, for compatibility. */
1812 if (stdout_format_has_i > 1)
487094a0 1813 args[ac++] = "--log-format=%i%I";
b3e4e7ef 1814 else if (stdout_format_has_i)
684d7582 1815 args[ac++] = "--log-format=%i";
b3e4e7ef 1816 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 1817 args[ac++] = "--log-format=%o";
1818 else if (!verbose)
1819 args[ac++] = "--log-format=X";
1820 }
1f30a674 1821
195bd906 1822 if (block_size) {
a06b419d 1823 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD		 1824 goto oom;
1825 args[ac++] = arg;
dfa32483 1826 }
d853783f
AT		 1827
1828 if (io_timeout) {
f98c60bf
WD		 1829 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1830 goto oom;
1831 args[ac++] = arg;
dfa32483 1832 }
d853783f 1833
ef5d23eb 1834 if (bwlimit) {
f98c60bf
WD		 1835 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1836 goto oom;
1837 args[ac++] = arg;
ef5d23eb
DD		 1838 }
1839
d175d7e1
WD		 1840 if (backup_dir) {
1841 args[ac++] = "--backup-dir";
1842 args[ac++] = backup_dir;
1843 }
1844
1845 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 1846 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 1847 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD		 1848 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1849 goto oom;
1850 args[ac++] = arg;
d853783f
AT		 1851 }
1852
06a50542 1853 if (am_sender) {
7b9598b2
WD		 1854 if (max_delete > 0) {
1855 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1856 goto oom;
1857 args[ac++] = arg;
1858 } else if (max_delete == 0)
d6ca255c 1859 args[ac++] = "--max-delete=-1";
7b9598b2
WD		 1860 if (min_size) {
1861 args[ac++] = "--min-size";
1862 args[ac++] = min_size_arg;
1863 }
1864 if (max_size) {
1865 args[ac++] = "--max-size";
1866 args[ac++] = max_size_arg;
1867 }
e0e32031 1868 if (delete_before)
c6eb7fad 1869 args[ac++] = "--delete-before";
0d152437
WD		 1870 else if (delete_during == 2)
1871 args[ac++] = "--delete-delay";
1872 else if (delete_during)
1873 args[ac++] = "--delete-during";
1874 else if (delete_after)
06a50542 1875 args[ac++] = "--delete-after";
e0e32031
WD		 1876 else if (delete_mode && !delete_excluded)
1877 args[ac++] = "--delete";
1878 if (delete_excluded)
1879 args[ac++] = "--delete-excluded";
06a50542
WD		 1880 if (force_delete)
1881 args[ac++] = "--force";
11e758a4
WD		 1882 if (write_batch < 0)
1883 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 1884 if (am_root > 1)
1885 args[ac++] = "--super";
f17e769e
WD		 1886 if (size_only)
1887 args[ac++] = "--size-only";
b1e436ec
WD		 1888 } else {
1889 if (skip_compress) {
1890 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
1891 goto oom;
1892 args[ac++] = arg;
1893 }
06a50542 1894 }
b33b791e 1895
5b56cc19 1896 if (modify_window_set) {
f98c60bf
WD		 1897 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1898 goto oom;
1899 args[ac++] = arg;
5b56cc19
AT		 1900 }
1901
c8d895de 1902 if (checksum_seed) {
221ddb94 1903 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 1904 goto oom;
1905 args[ac++] = arg;
1906 }
1907
a7260c40 1908 if (partial_dir && am_sender) {
77860bac 1909 if (partial_dir != tmp_partialdir) {
3671987f
WD		 1910 args[ac++] = "--partial-dir";
1911 args[ac++] = partial_dir;
1912 }
f06e7082
WD		 1913 if (delay_updates)
1914 args[ac++] = "--delay-updates";
77860bac 1915 } else if (keep_partial && am_sender)
d853783f
AT		 1916 args[ac++] = "--partial";
1917
ef55c686
AT		 1918 if (ignore_errors)
1919 args[ac++] = "--ignore-errors";
1920
b5313607
DD		 1921 if (copy_unsafe_links)
1922 args[ac++] = "--copy-unsafe-links";
1923
d853783f
AT		 1924 if (safe_symlinks)
1925 args[ac++] = "--safe-links";
1926
1927 if (numeric_ids)
1928 args[ac++] = "--numeric-ids";
1929
95def6d9
WD		 1930 if (use_qsort)
1931 args[ac++] = "--use-qsort";
1932
4f3797c7
WD		 1933 if (am_sender) {
1934 if (ignore_existing)
1935 args[ac++] = "--ignore-existing";
1936
1937 /* Backward compatibility: send --existing, not --ignore-non-existing. */
1938 if (ignore_non_existing)
1939 args[ac++] = "--existing";
3d6feada 1940
4f3797c7
WD		 1941 if (tmpdir) {
1942 args[ac++] = "--temp-dir";
1943 args[ac++] = tmpdir;
1944 }
1945
1946 if (basis_dir[0]) {
1947 /* the server only needs this option if it is not the sender,
1948 * and it may be an older version that doesn't know this
1949 * option, so don't send it if client is the sender.
1950 */
1951 int i;
1952 for (i = 0; i < basis_dir_cnt; i++) {
1953 args[ac++] = dest_option;
1954 args[ac++] = basis_dir[i];
1955 }
1956 }
1957 }
e90aab49 1958
936fa865
WD		 1959 if (append_mode) {
1960 if (append_mode > 1)
1961 args[ac++] = "--append";
a015788d 1962 args[ac++] = "--append";
936fa865 1963 } else if (inplace)
a3221d2a
WD		 1964 args[ac++] = "--inplace";
1965
305666bf
WD		 1966 if (files_from && (!am_sender || filesfrom_host)) {
1967 if (filesfrom_host) {
ea5164d1 1968 args[ac++] = "--files-from";
305666bf 1969 args[ac++] = files_from;
ea5164d1
WD		 1970 if (eol_nulls)
1971 args[ac++] = "--from0";
1972 } else {
1973 args[ac++] = "--files-from=-";
1974 args[ac++] = "--from0";
1975 }
c0ab28d1
WD		 1976 if (!relative_paths)
1977 args[ac++] = "--no-relative";
ea5164d1 1978 }
33a04593
WD		 1979 /* It's OK that this checks the upper-bound of the protocol_version. */
1980 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 1981 args[ac++] = "--no-implied-dirs";
ea5164d1 1982
c4ed1487
WD		 1983 if (fuzzy_basis && am_sender)
1984 args[ac++] = "--fuzzy";
1985
47c11975
WD		 1986 if (remove_source_files == 1)
1987 args[ac++] = "--remove-source-files";
1988 else if (remove_source_files)
07c6ae7d
WD		 1989 args[ac++] = "--remove-sent-files";
1990
ffbffc64 1991 *argc_p = ac;
f98c60bf
WD		 1992 return;
1993
1994 oom:
1995 out_of_memory("server_options");
7a6421fa
AT		 1996}
1997
305666bf
WD		 1998/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1999 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2000 * memory with the HOST. If a daemon-accessing spec was specified, the value
2001 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2002 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2003 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2004 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2005char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2006{
305666bf
WD		 2007 char *p;
2008 int not_host;
8f4ae68c 2009 int hostlen;
305666bf
WD		 2010
2011 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2012 char *path;
305666bf
WD		 2013 s += strlen(URL_PREFIX);
2014 if ((p = strchr(s, '/')) != NULL) {
2015 hostlen = p - s;
2016 path = p + 1;
2017 } else {
2018 hostlen = strlen(s);
2019 path = "";
2020 }
2021 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
2022 s++;
2023 hostlen = p - s;
c60b7056
WD		 2024 if (p[1] == ':')
2025 *port_ptr = atoi(p+2);
305666bf 2026 } else {
444f9f7b 2027 if ((p = strchr(s, ':')) != NULL && p < s + hostlen) {
305666bf
WD		 2028 hostlen = p - s;
2029 *port_ptr = atoi(p+1);
c60b7056 2030 }
305666bf 2031 }
c60b7056
WD		 2032 if (!*port_ptr)
2033 *port_ptr = RSYNC_PORT;
305666bf
WD		 2034 *host_ptr = new_array(char, hostlen + 1);
2035 strlcpy(*host_ptr, s, hostlen + 1);
2036 return path;
2037 }
ea5164d1 2038
305666bf 2039 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
8f4ae68c
WD		 2040 s++;
2041 hostlen = p - s;
305666bf
WD		 2042 *p = '\0';
2043 not_host = strchr(s, '/') || !strchr(s, ':');
2044 *p = ']';
2045 if (not_host)
2046 return NULL;
c60b7056 2047 p++;
305666bf
WD		 2048 } else {
2049 if (!(p = strchr(s, ':')))
2050 return NULL;
8f4ae68c 2051 hostlen = p - s;
305666bf
WD		 2052 *p = '\0';
2053 not_host = strchr(s, '/') != NULL;
2054 *p = ':';
2055 if (not_host)
2056 return NULL;
2057 }
2058
8f4ae68c
WD		 2059 *host_ptr = new_array(char, hostlen + 1);
2060 strlcpy(*host_ptr, s, hostlen + 1);
ea5164d1 2061
305666bf
WD		 2062 if (p[1] == ':') {
2063 if (port_ptr && !*port_ptr)
2064 *port_ptr = RSYNC_PORT;
2065 return p + 2;
2066 }
2067 if (port_ptr)
2068 *port_ptr = 0;
ea5164d1 2069
305666bf 2070 return p + 1;
ea5164d1 2071}
Matt McCutchen's repository for rsync, the fast and versatile remote file copier