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Switching to GPL 3.
[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
4fd842f9 9 * it under the terms of the GNU General Public License version 3 as
ba2133d6 10 * published by the Free Software Foundation.
dfa32483 11 *
dafe63ca
MP		 12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
dfa32483 16 *
e7c67065 17 * You should have received a copy of the GNU General Public License along
4fd842f9 18 * with this program; if not, visit the http://fsf.org website.
dafe63ca 19 */
7a6421fa 20
7a6421fa 21#include "rsync.h"
35bf8fa0 22#include <popt.h>
854a1aad 23#include "zlib/zlib.h"
7a6421fa 24
7bc90b30 25extern int module_id;
7be73df4 26extern int sanitize_paths;
7842418b
WD		 27extern struct filter_list_struct filter_list;
28extern struct filter_list_struct server_filter_list;
8645af1d 29
7a6421fa 30int make_backups = 0;
1bfbf40b
MP		 31
32/**
dfa32483 33 * If 1, send the whole file as literal data rather than trying to
dafe63ca 34 * create an incremental diff.
1bfbf40b 35 *
dfa32483 36 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 37 *
38 * @sa disable_deltas_p()
1bfbf40b 39 **/
dfa32483 40int whole_file = -1;
1bfbf40b 41
a015788d 42int append_mode = 0;
716e73d4 43int keep_dirlinks = 0;
2dbf36ef 44int copy_dirlinks = 0;
7a6421fa
AT		 45int copy_links = 0;
46int preserve_links = 0;
47int preserve_hard_links = 0;
1c3344a1 48int preserve_acls = 0;
16edf865 49int preserve_xattrs = 0;
7a6421fa 50int preserve_perms = 0;
344f9ba7 51int preserve_executability = 0;
7a6421fa 52int preserve_devices = 0;
b5c6a6ae 53int preserve_specials = 0;
7a6421fa
AT		 54int preserve_uid = 0;
55int preserve_gid = 0;
56int preserve_times = 0;
20fb7b91 57int omit_dir_times = 0;
7a6421fa
AT		 58int update_only = 0;
59int cvs_exclude = 0;
a5c11139 60int dry_run = 0;
11e758a4 61int do_xfers = 1;
a5c11139
WD		 62int ignore_times = 0;
63int delete_mode = 0;
a51b3168 64int delete_during = 0;
51d48398
WD		 65int delete_before = 0;
66int delete_after = 0;
a5c11139 67int delete_excluded = 0;
47c11975 68int remove_source_files = 0;
a5c11139 69int one_file_system = 0;
4f3e9a0f 70int protocol_version = PROTOCOL_VERSION;
a5c11139
WD		 71int sparse_files = 0;
72int do_compression = 0;
854a1aad 73int def_compress_level = Z_DEFAULT_COMPRESSION;
9439c0cb 74int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 75int am_server = 0;
76int am_sender = 0;
77int am_generator = 0;
78int am_starting_up = 1;
ea5164d1
WD		 79int relative_paths = -1;
80int implied_dirs = 1;
7a6421fa 81int numeric_ids = 0;
5974c662 82int allow_8bit_chars = 0;
7a6421fa
AT		 83int force_delete = 0;
84int io_timeout = 0;
9ac756c6 85int allowed_lull = 0;
876c9936 86int prune_empty_dirs = 0;
8487f9cf 87int use_qsort = 0;
ea5164d1
WD		 88char *files_from = NULL;
89int filesfrom_fd = -1;
305666bf 90char *filesfrom_host = NULL;
ea5164d1 91int eol_nulls = 0;
8f14cc49 92int human_readable = 0;
7a6421fa 93int recurse = 0;
5275029d 94int allow_inc_recurse = 1;
b6164938 95int xfer_dirs = -1;
1312d9fc
WD		 96int am_daemon = 0;
97int daemon_over_rsh = 0;
a5c11139
WD		 98int do_stats = 0;
99int do_progress = 0;
100int keep_partial = 0;
101int safe_symlinks = 0;
102int copy_unsafe_links = 0;
103int size_only = 0;
9fb08441 104int daemon_bwlimit = 0;
a5c11139 105int bwlimit = 0;
c4ed1487 106int fuzzy_basis = 0;
3c74c3a3 107size_t bwlimit_writemax = 0;
e90aab49
WD		 108int ignore_existing = 0;
109int ignore_non_existing = 0;
07c6ae7d 110int need_messages_from_generator = 0;
e5e85283 111int max_delete = -1;
7d5acf1d 112OFF_T max_size = 0;
74de13d1 113OFF_T min_size = 0;
a5c11139
WD		 114int ignore_errors = 0;
115int modify_window = 0;
116int blocking_io = -1;
2289bf64 117int checksum_seed = 0;
a3221d2a 118int inplace = 0;
f06e7082 119int delay_updates = 0;
a06b419d 120long block_size = 0; /* "long" because popt can't set an int32. */
b35d0d8e 121
13e29995 122/** Network address family. **/
4f5b0756 123#ifdef INET6
13e29995 124int default_af_hint = 0; /* Any protocol */
6ab6d4bf 125#else
13e29995 126int default_af_hint = AF_INET; /* Must use IPv4 */
6ab6d4bf 127#endif
06963d0f 128
13e29995
MP		 129/** Do not go into the background when run as --daemon. Good
130 * for debugging and required for running as a service on W32,
131 * or under Unix process-monitors. **/
1f35babc
WD		 132int no_detach
133#if defined _WIN32 || defined __WIN32__
134 = 1;
135#else
136 = 0;
137#endif
13e29995 138
088aac85
DD		 139int write_batch = 0;
140int read_batch = 0;
d175d7e1
WD		 141int backup_dir_len = 0;
142int backup_suffix_len;
e0391f81 143unsigned int backup_dir_remainder;
6902ed17 144
d175d7e1 145char *backup_suffix = NULL;
7a6421fa 146char *tmpdir = NULL;
a7260c40 147char *partial_dir = NULL;
e012f858 148char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 149char *config_file = NULL;
7a6421fa 150char *shell_cmd = NULL;
87c0f9d6
WD		 151char *logfile_name = NULL;
152char *logfile_format = NULL;
b3e4e7ef 153char *stdout_format = NULL;
65575e96 154char *password_file = NULL;
41bd28fe 155char *rsync_path = RSYNC_PATH;
66203a98 156char *backup_dir = NULL;
e0391f81 157char backup_dir_buf[MAXPATHLEN];
831f06a5 158char *sockopts = NULL;
0c56b1ad 159int rsync_port = 0;
dfd7d541 160int compare_dest = 0;
1de3e99b 161int copy_dest = 0;
59c95e42 162int link_dest = 0;
ce0b384f 163int basis_dir_cnt = 0;
f9a9f547 164char *dest_option = NULL;
7a6421fa
AT		 165
166int verbose = 0;
b86f0cef 167int quiet = 0;
dc1f7b9e 168int output_motd = 1;
e7651884 169int log_before_transfer = 0;
b3e4e7ef
WD		 170int stdout_format_has_i = 0;
171int stdout_format_has_o_or_i = 0;
87c0f9d6 172int logfile_format_has_i = 0;
87c0f9d6 173int logfile_format_has_o_or_i = 0;
7a6421fa 174int always_checksum = 0;
f7632fc6 175int list_only = 0;
7a6421fa 176
9b3318b0
WD		 177#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
178char *batch_name = NULL;
6902ed17 179
332cf6df
WD		 180#ifdef ICONV_OPTION
181int need_unsorted_flist = 0;
182char *iconv_opt = ICONV_OPTION;
183#endif
184
dd32e2c3
WD		 185struct chmod_mode_struct *chmod_modes = NULL;
186
e1add893 187static int daemon_opt; /* sets am_daemon after option error-reporting */
aa4d3b4c 188static int F_option_cnt = 0;
5b56cc19 189static int modify_window_set;
624d6be2 190static int itemize_changes = 0;
854a1aad 191static int refused_delete, refused_archive_part, refused_compress;
3296f91b 192static int refused_partial, refused_progress, refused_delete_before;
e0e32031 193static int refused_delete_during;
a015788d 194static int refused_inplace;
74de13d1 195static char *max_size_arg, *min_size_arg;
77860bac 196static char tmp_partialdir[] = ".~tmp~";
5b56cc19 197
06963d0f 198/** Local address to bind. As a character string because it's
fdf57ede 199 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 200 * address, or a hostname. **/
201char *bind_address;
5c9730a4 202
7a24c346 203
27a12348 204static void print_rsync_version(enum logcode f)
7a24c346 205{
2ed790f3 206 char *subprotocol = "";
dfa32483 207 char const *got_socketpair = "no ";
a3221d2a 208 char const *have_inplace = "no ";
dfa32483 209 char const *hardlinks = "no ";
1c3344a1 210 char const *acls = "no ";
16edf865 211 char const *xattrs = "no ";
dfa32483 212 char const *links = "no ";
332cf6df 213 char const *iconv = "no ";
a358449a 214 char const *ipv6 = "no ";
736a6a29 215 STRUCT_STAT *dumstat;
0c80cd8e 216
2ed790f3
WD		 217#if SUBPROTOCOL_VERSION != 0
218 asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION);
219#endif
4f5b0756 220#ifdef HAVE_SOCKETPAIR
dfa32483 221 got_socketpair = "";
0c80cd8e 222#endif
4f5b0756 223#ifdef HAVE_FTRUNCATE
a3221d2a
WD		 224 have_inplace = "";
225#endif
4f5b0756 226#ifdef SUPPORT_HARD_LINKS
dfa32483 227 hardlinks = "";
2855f61f 228#endif
1c3344a1
WD		 229#ifdef SUPPORT_ACLS
230 acls = "";
231#endif
16edf865
WD		 232#ifdef SUPPORT_XATTRS
233 xattrs = "";
234#endif
4f5b0756 235#ifdef SUPPORT_LINKS
dfa32483 236 links = "";
2855f61f 237#endif
4f5b0756 238#ifdef INET6
a358449a 239 ipv6 = "";
dfa32483 240#endif
332cf6df
WD		 241#ifdef ICONV_OPTION
242 iconv = "";
243#endif
a358449a 244
719522b9 245 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 246 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
100018b7 247 rprintf(f, "Copyright (C) 1996-2007 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD		 248 rprintf(f, "Web site: http://rsync.samba.org/\n");
249 rprintf(f, "Capabilities:\n");
250 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD		 251 (int)(sizeof (OFF_T) * 8),
252 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 253 (int)(sizeof (time_t) * 8),
d619ff13
WD		 254 (int)(sizeof (int64) * 8));
255 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
256 got_socketpair, hardlinks, links, ipv6, have_inplace);
332cf6df
WD		 257 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv\n",
258 have_inplace, acls, xattrs, iconv);
2855f61f 259
fc0302cf 260#ifdef MAINTAINER_MODE
29433538 261 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 262#endif
736a6a29 263
031fa9ad
WD		 264#if SIZEOF_INT64 < 8
265 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 266#endif
c561edaa
WD		 267 if (sizeof (int64) != SIZEOF_INT64) {
268 rprintf(f,
269 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
270 (int) SIZEOF_INT64, (int) sizeof (int64));
271 }
7b329a2d 272
b64ee91a
WD		 273 rprintf(f,"\n");
274 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD		 275 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
276 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP		 277}
278
279
0f3203c3 280void usage(enum logcode F)
7a6421fa 281{
2855f61f 282 print_rsync_version(F);
704f908e 283
b64ee91a
WD		 284 rprintf(F,"\n");
285 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 286 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 287
b64ee91a
WD		 288 rprintf(F,"\n");
289 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD		 290 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
291 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
292 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 293 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 294 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 295 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD		 296 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
297 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD		 298 rprintf(F,"\n");
299 rprintf(F,"Options\n");
704f908e 300 rprintf(F," -v, --verbose increase verbosity\n");
b3708acf 301 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 302 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 303 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 304 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 305 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT		 306 rprintf(F," -r, --recursive recurse into directories\n");
307 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 308 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 309 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD		 310 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
311 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
312 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 313 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 314 rprintf(F," --append append data onto shorter files\n");
65e4cda0 315 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 316 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD		 317 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
318 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
319 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
2dbf36ef 320 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 321 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 322 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 323 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 324 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 325 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD		 326#ifdef SUPPORT_ACLS
327 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD		 328#endif
329#ifdef SUPPORT_XATTRS
330 rprintf(F," -X, --xattrs preserve extended attributes (implies --perms)\n");
1c3344a1 331#endif
def97ff9 332 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 333 rprintf(F," -g, --group preserve group\n");
def97ff9 334 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD		 335 rprintf(F," --specials preserve special files\n");
336 rprintf(F," -D same as --devices --specials\n");
dfa32483 337 rprintf(F," -t, --times preserve times\n");
20fb7b91 338 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
def97ff9 339 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD		 340#ifdef SUPPORT_XATTRS
341 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
342#endif
704f908e
AT		 343 rprintf(F," -S, --sparse handle sparse files efficiently\n");
344 rprintf(F," -n, --dry-run show what would have been transferred\n");
98bf61c8 345 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
704f908e 346 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 347 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 348 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 349 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD		 350 rprintf(F," --existing skip creating new files on receiver\n");
351 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 352 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 353 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 354 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD		 355 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
356 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 357 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 358 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 359 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
db2b5cb7 360 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 361 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 362 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 363 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 364 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 365 rprintf(F," --partial keep partially transferred files\n");
a7260c40 366 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 367 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 368 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 369 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
db2b5cb7 370 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
b3708acf
WD		 371 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
372 rprintf(F," --size-only skip files that match in size\n");
373 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 374 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 375 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 376 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 377 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 378 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 379 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 380 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b3708acf 381 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 382 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 383 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 384 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 385 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 386 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 387 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD		 388 rprintf(F," --include-from=FILE read include patterns from FILE\n");
389 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 390 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
b4ef0bca 391 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 392 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 393 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 394 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 395 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 396 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 397 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 398 rprintf(F," --progress show progress during transfer\n");
b3708acf 399 rprintf(F," -P same as --partial --progress\n");
b78296cb 400 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD		 401 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
402 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
403 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 404 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 405 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD		 406 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
407 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 408 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 409 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 410 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df
WD		 411#ifdef ICONV_OPTION
412 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filesnames\n");
413#endif
4f5b0756 414#ifdef INET6
4db88e5b
WD		 415 rprintf(F," -4, --ipv4 prefer IPv4\n");
416 rprintf(F," -6, --ipv6 prefer IPv6\n");
06963d0f 417#endif
4a34c6f1 418 rprintf(F," --version print version number\n");
375d8f91 419 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 420
b64ee91a
WD		 421 rprintf(F,"\n");
422 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 423 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 424 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT		 425}
426
3ac7f5d4 427enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 428 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 429 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 430 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
b5c6a6ae 431 OPT_NO_D,
0ccffd7c 432 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 433
2855f61f
MP		 434static struct poptOption long_options[] = {
435 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 436 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 437 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 438 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 439 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 440 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
e86e2fa1 441 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 442 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
443 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 444 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 445 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 446 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
447 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 448 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 449 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
450 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
451 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 452 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 453 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 454 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
8487f9cf
WD		 455 {"ir", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
456 {"no-ir", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 457 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 458 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
459 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
460 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
461 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
462 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 463 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 464 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
465 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
466 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 467 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
468 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
469 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
b6164938 470 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
b6164938
WD		 471 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
472 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
38b9170c
WD		 473 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
474 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 475 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
476 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 477 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 478 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
479 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
480 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
481 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
482 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
483 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 484 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
485 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
486 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 487 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD		 488 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
489 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 490 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 491 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
492 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 493 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
494 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
495 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
2dbf36ef 496 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 497 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 498 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 499 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
500 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 501 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
502 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 503 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 504 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 505 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 506 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 507 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
508 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 509 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
e86e2fa1 510 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 511 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 512 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 513 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 514 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 515 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
e86e2fa1
WD		 516 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
517 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
518 {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 },
3671987f 519 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 520 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 521 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 522 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
523 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 524 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
525 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
47c11975
WD		 526 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
527 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
afb6e945 528 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
e86e2fa1
WD		 529 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
530 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
531 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 532 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 533 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
534 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
535 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
536 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 537 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 538 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
539 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 540 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 541 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
542 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
543 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 544 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 545 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 546 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 547 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
c4ed1487 548 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
854a1aad 549 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf
WD		 550 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
551 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
854a1aad 552 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 553 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 554 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
555 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
556 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
557 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 558 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 559 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
560 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
876c9936 561 {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 562 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 563 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
564 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
565 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 566 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 567 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
568 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
afb6e945 569 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
8487f9cf
WD		 570 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
571 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
572 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 573 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 574 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
575 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 576 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
577 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 578 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 579 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 580 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
581 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
582 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
583 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
e86e2fa1 584 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 585 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
e86e2fa1
WD		 586 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
587 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
588 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD		 589#ifdef ICONV_OPTION
590 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
591#endif
4f5b0756 592#ifdef INET6
3dd22903
WD		 593 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
594 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
06963d0f 595#endif
a6a27602 596 {"8-bit-output", '8', POPT_ARG_NONE, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 597 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD		 598 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
599 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 600 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD		 601 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
602 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
603 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
604 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
605 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 606 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 607 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
608 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 609 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
610 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1f35babc 611 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 612 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 613 {0,0,0,0, 0, 0, 0}
614};
615
616static void daemon_usage(enum logcode F)
617{
618 print_rsync_version(F);
619
b64ee91a
WD		 620 rprintf(F,"\n");
621 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 622 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 623 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4
WD		 624 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
625 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 626 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 627 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 628 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 629 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 630 rprintf(F," -v, --verbose increase verbosity\n");
4f5b0756 631#ifdef INET6
3ac7f5d4
WD		 632 rprintf(F," -4, --ipv4 prefer IPv4\n");
633 rprintf(F," -6, --ipv6 prefer IPv6\n");
634#endif
05724c07 635 rprintf(F," --help show this help screen\n");
3ac7f5d4 636
b64ee91a
WD		 637 rprintf(F,"\n");
638 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD		 639 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
640}
641
642static struct poptOption long_daemon_options[] = {
643 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
644 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 645 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 646 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
647 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
4f5b0756 648#ifdef INET6
3ac7f5d4
WD		 649 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
650 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
651#endif
1f35babc 652 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 653 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 654 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 655 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 656 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 657 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 658 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
659 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 660 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 661 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 662 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
663 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 664 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 665 {0,0,0,0, 0, 0, 0}
2855f61f 666};
7a6421fa 667
06963d0f 668
e51094b7 669static char err_buf[200];
cd8185f2 670
2855f61f 671
dafe63ca
MP		 672/**
673 * Store the option error message, if any, so that we can log the
674 * connection attempt (which requires parsing the options), and then
675 * show the error later on.
676 **/
cd8185f2
AT		 677void option_error(void)
678{
e51094b7 679 if (!err_buf[0]) {
c9bce0b8
WD		 680 strlcpy(err_buf, "Error parsing options: option may "
681 "be supported on client but not on server?\n",
682 sizeof err_buf);
cd8185f2 683 }
e51094b7 684
e51094b7 685 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 686 msleep(20);
cd8185f2
AT		 687}
688
dafe63ca
MP		 689
690/**
27ed20f7
WD		 691 * Tweak the option table to disable all options that the rsyncd.conf
692 * file has told us to refuse.
dafe63ca 693 **/
27ed20f7 694static void set_refuse_options(char *bp)
cd8185f2 695{
27ed20f7 696 struct poptOption *op;
093e816c 697 char *cp, shortname[2];
d73e7f6e 698 int is_wild, found_match;
093e816c
WD		 699
700 shortname[1] = '\0';
27ed20f7
WD		 701
702 while (1) {
06a50542
WD		 703 while (*bp == ' ') bp++;
704 if (!*bp)
705 break;
27ed20f7
WD		 706 if ((cp = strchr(bp, ' ')) != NULL)
707 *cp= '\0';
093e816c 708 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 709 found_match = 0;
55afbb52 710 for (op = long_options; ; op++) {
093e816c 711 *shortname = op->shortName;
d73e7f6e
WD		 712 if (!op->longName && !*shortname)
713 break;
714 if ((op->longName && wildmatch(bp, op->longName))
684d7582 715 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD		 716 if (op->argInfo == POPT_ARG_VAL)
717 op->argInfo = POPT_ARG_NONE;
06a50542 718 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 719 found_match = 1;
3671987f
WD		 720 /* These flags are set to let us easily check
721 * an implied option later in the code. */
722 switch (*shortname) {
3671987f
WD		 723 case 'r': case 'd': case 'l': case 'p':
724 case 't': case 'g': case 'o': case 'D':
725 refused_archive_part = op->val;
726 break;
854a1aad
WD		 727 case 'z':
728 refused_compress = op->val;
729 break;
3671987f
WD		 730 case '\0':
731 if (wildmatch("delete", op->longName))
732 refused_delete = op->val;
3296f91b
WD		 733 else if (wildmatch("delete-before", op->longName))
734 refused_delete_before = op->val;
e0e32031
WD		 735 else if (wildmatch("delete-during", op->longName))
736 refused_delete_during = op->val;
3671987f
WD		 737 else if (wildmatch("partial", op->longName))
738 refused_partial = op->val;
739 else if (wildmatch("progress", op->longName))
740 refused_progress = op->val;
a015788d
WD		 741 else if (wildmatch("inplace", op->longName))
742 refused_inplace = op->val;
3671987f
WD		 743 break;
744 }
06a50542
WD		 745 if (!is_wild)
746 break;
27ed20f7 747 }
cd8185f2 748 }
d73e7f6e
WD		 749 if (!found_match) {
750 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
751 bp);
752 }
27ed20f7
WD		 753 if (!cp)
754 break;
755 *cp = ' ';
756 bp = cp + 1;
cd8185f2 757 }
cd8185f2
AT		 758}
759
760
8db7cc2c 761static int count_args(const char **argv)
2855f61f 762{
dfa32483 763 int i = 0;
2855f61f 764
8db7cc2c
WD		 765 if (argv) {
766 while (argv[i] != NULL)
767 i++;
768 }
dfa32483
WD		 769
770 return i;
2855f61f
MP		 771}
772
773
837d01dd 774static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 775{
3c19f72c
WD		 776 int reps, mult, make_compatible = 0;
777 const char *arg;
778 OFF_T size = 1;
95e107db 779
2dc7b8bd 780 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 781 if (*arg == '.')
2dc7b8bd 782 for (arg++; isDigit(arg); arg++) {}
3c19f72c 783 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 784 case 'b': case 'B':
3c19f72c 785 reps = 0;
837d01dd 786 break;
95e107db 787 case 'k': case 'K':
3c19f72c 788 reps = 1;
95e107db
WD		 789 break;
790 case 'm': case 'M':
3c19f72c 791 reps = 2;
95e107db
WD		 792 break;
793 case 'g': case 'G':
3c19f72c 794 reps = 3;
95e107db
WD		 795 break;
796 default:
3c19f72c 797 return -1;
95e107db 798 }
3c19f72c
WD		 799 if (*arg == 'b' || *arg == 'B')
800 mult = 1000, make_compatible = 1, arg++;
801 else if (!*arg || *arg == '+' || *arg == '-')
802 mult = 1024;
803 else if (strncasecmp(arg, "ib", 2) == 0)
804 mult = 1024, arg += 2;
805 else
806 return -1;
807 while (reps--)
808 size *= mult;
809 size *= atof(*size_arg);
810 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
811 size += atoi(arg), make_compatible = 1, arg += 2;
812 if (*arg)
813 return -1;
aeb213ea 814 if (size > 0 && make_compatible) {
74de13d1
WD		 815 /* We convert this manually because we may need %lld precision,
816 * and that's not a portable sprintf() escape. */
8f14cc49 817 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 818 OFF_T num = size;
8f14cc49 819 *s = '\0';
aeb213ea 820 while (num) {
26404276 821 *--s = (char)(num % 10) + '0';
aeb213ea
WD		 822 num /= 10;
823 }
824 if (!(*size_arg = strdup(s)))
825 out_of_memory("parse_size_arg");
826 }
95e107db
WD		 827 return size;
828}
829
830
3671987f
WD		 831static void create_refuse_error(int which)
832{
833 /* The "which" value is the index + OPT_REFUSED_BASE. */
834 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
835 int n = snprintf(err_buf, sizeof err_buf,
836 "The server is configured to refuse --%s\n",
837 op->longName) - 1;
838 if (op->shortName) {
839 snprintf(err_buf + n, sizeof err_buf - n,
840 " (-%c)\n", op->shortName);
841 }
842}
843
844
dafe63ca
MP		 845/**
846 * Process command line arguments. Called on both local and remote.
847 *
848 * @retval 1 if all options are OK; with globals set to appropriate
849 * values
850 *
851 * @retval 0 on error, with err_buf containing an explanation
852 **/
2855f61f 853int parse_arguments(int *argc, const char ***argv, int frommain)
7a6421fa 854{
d853783f 855 int opt;
cd8185f2 856 char *ref = lp_refuse_options(module_id);
7be73df4 857 const char *arg;
dfa32483 858 poptContext pc;
d853783f 859
27ed20f7
WD		 860 if (ref && *ref)
861 set_refuse_options(ref);
232658d9
WD		 862 if (am_daemon)
863 set_refuse_options("log-file*");
27ed20f7 864
332cf6df
WD		 865#ifdef ICONV_OPTION
866 if (!am_daemon && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
867 iconv_opt = strdup(arg);
868#endif
869
dfa32483 870 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 871
dfa32483
WD		 872 /* The context leaks in case of an error, but if there's a
873 * problem we always exit anyhow. */
874 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
9fb08441 875 poptReadDefaultConfig(pc, 0);
2855f61f
MP		 876
877 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 878 /* most options are handled automatically by popt;
879 * only special cases are returned and listed here. */
2855f61f 880
d853783f
AT		 881 switch (opt) {
882 case OPT_VERSION:
dfa32483 883 print_rsync_version(FINFO);
d853783f 884 exit_cleanup(0);
dfa32483 885
0ccffd7c
WD		 886 case OPT_SERVER:
887 if (!am_server) {
888 /* Disable popt aliases on the server side and
889 * then start parsing the options again. */
890 poptFreeContext(pc);
891 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
892 long_options, 0);
893 am_server = 1;
894 }
332cf6df
WD		 895#ifdef ICONV_OPTION
896 iconv_opt = NULL;
897#endif
0ccffd7c
WD		 898 break;
899
900 case OPT_SENDER:
901 if (!am_server) {
902 usage(FERROR);
903 exit_cleanup(RERR_SYNTAX);
904 }
905 am_sender = 1;
906 break;
907
3ac7f5d4
WD		 908 case OPT_DAEMON:
909 if (am_daemon) {
c9bce0b8
WD		 910 strlcpy(err_buf,
911 "Attempt to hack rsync thwarted!\n",
912 sizeof err_buf);
3ac7f5d4
WD		 913 return 0;
914 }
332cf6df
WD		 915#ifdef ICONV_OPTION
916 iconv_opt = NULL;
917#endif
3ac7f5d4
WD		 918 poptFreeContext(pc);
919 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
920 long_daemon_options, 0);
921 while ((opt = poptGetNextOpt(pc)) != -1) {
922 switch (opt) {
923 case 'h':
924 daemon_usage(FINFO);
925 exit_cleanup(0);
926
1bd9db74
WD		 927 case 'v':
928 verbose++;
929 break;
930
3ac7f5d4
WD		 931 default:
932 rprintf(FERROR,
933 "rsync: %s: %s (in daemon mode)\n",
934 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
935 poptStrerror(opt));
936 goto daemon_error;
937 }
938 }
b6e22a47
WD		 939
940 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
941 snprintf(err_buf, sizeof err_buf,
942 "the --temp-dir path is WAY too long.\n");
943 return 0;
944 }
945
3ac7f5d4
WD		 946 if (!daemon_opt) {
947 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
948 daemon_error:
949 rprintf(FERROR,
950 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
951 exit_cleanup(RERR_SYNTAX);
952 }
b6e22a47 953
3ac7f5d4
WD		 954 *argv = poptGetArgs(pc);
955 *argc = count_args(*argv);
7f2a1f65 956 am_starting_up = 0;
3ac7f5d4
WD		 957 daemon_opt = 0;
958 am_daemon = 1;
959 return 1;
960
5b56cc19 961 case OPT_MODIFY_WINDOW:
dfa32483
WD		 962 /* The value has already been set by popt, but
963 * we need to remember that we're using a
964 * non-default setting. */
5b56cc19
AT		 965 modify_window_set = 1;
966 break;
1de50993 967
aa4d3b4c 968 case OPT_FILTER:
3a5e9224 969 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT		 970 break;
971
aa4d3b4c 972 case OPT_EXCLUDE:
3a5e9224 973 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 974 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 975 break;
976
d853783f 977 case OPT_INCLUDE:
3a5e9224 978 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 979 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT		 980 break;
981
982 case OPT_EXCLUDE_FROM:
93695764 983 case OPT_INCLUDE_FROM:
7be73df4 984 arg = poptGetOptArg(pc);
1a7f3d99 985 if (sanitize_paths)
91f4b31f 986 arg = sanitize_path(NULL, arg, NULL, 0, NULL);
7842418b 987 if (server_filter_list.head) {
d3ef9859
WD		 988 char *cp = strdup(arg);
989 if (!cp)
990 out_of_memory("parse_arguments");
3671987f
WD		 991 if (!*cp)
992 goto options_rejected;
ba3db479 993 clean_fname(cp, 1);
7842418b 994 if (check_filter(&server_filter_list, cp, 0) < 0)
ba3db479 995 goto options_rejected;
d3ef9859 996 free(cp);
ba3db479 997 }
3a5e9224
WD		 998 parse_filter_file(&filter_list, arg,
999 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1000 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1001 break;
1002
b6164938
WD		 1003 case 'a':
1004 if (refused_archive_part) {
1005 create_refuse_error(refused_archive_part);
1006 return 0;
1007 }
1008 if (!recurse) /* preserve recurse == 2 */
1009 recurse = 1;
1010#ifdef SUPPORT_LINKS
1011 preserve_links = 1;
1012#endif
1013 preserve_perms = 1;
1014 preserve_times = 1;
1015 preserve_gid = 1;
1016 preserve_uid = 1;
1017 preserve_devices = 1;
b5c6a6ae
WD		 1018 preserve_specials = 1;
1019 break;
1020
1021 case 'D':
1022 preserve_devices = preserve_specials = 1;
1023 break;
1024
1025 case OPT_NO_D:
1026 preserve_devices = preserve_specials = 0;
b6164938
WD		 1027 break;
1028
3ca9e5d8
WD		 1029 case 'h':
1030 human_readable++;
1031 break;
1032
e0e32031
WD		 1033 case 'H':
1034 preserve_hard_links++;
1035 break;
1036
487094a0
WD		 1037 case 'i':
1038 itemize_changes++;
1039 break;
1040
d853783f
AT		 1041 case 'v':
1042 verbose++;
1043 break;
7a6421fa 1044
b86f0cef 1045 case 'q':
f98c60bf
WD		 1046 if (frommain)
1047 quiet++;
b86f0cef
DD		 1048 break;
1049
243c995f
WD		 1050 case 'x':
1051 one_file_system++;
1052 break;
1053
aa4d3b4c
WD		 1054 case 'F':
1055 switch (++F_option_cnt) {
1056 case 1:
3a5e9224 1057 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD		 1058 break;
1059 case 2:
3a5e9224 1060 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD		 1061 break;
1062 }
1063 break;
1064
d9fcc198 1065 case 'P':
3671987f
WD		 1066 if (refused_partial || refused_progress) {
1067 create_refuse_error(refused_partial
1068 ? refused_partial : refused_progress);
1069 return 0;
1070 }
d9fcc198
AT		 1071 do_progress = 1;
1072 keep_partial = 1;
1073 break;
1074
854a1aad
WD		 1075 case 'z':
1076 if (def_compress_level < Z_DEFAULT_COMPRESSION
1077 || def_compress_level > Z_BEST_COMPRESSION) {
1078 snprintf(err_buf, sizeof err_buf,
1079 "--compress-level value is invalid: %d\n",
1080 def_compress_level);
1081 return 0;
1082 }
1083 do_compression = def_compress_level != Z_NO_COMPRESSION;
1084 if (do_compression && refused_compress) {
1085 create_refuse_error(refused_compress);
1086 return 0;
1087 }
1088 break;
1089
088aac85 1090 case OPT_WRITE_BATCH:
9b3318b0 1091 /* batch_name is already set */
088aac85
DD		 1092 write_batch = 1;
1093 break;
1094
11e758a4
WD		 1095 case OPT_ONLY_WRITE_BATCH:
1096 /* batch_name is already set */
1097 write_batch = -1;
1098 break;
1099
76f79ba7 1100 case OPT_READ_BATCH:
9b3318b0 1101 /* batch_name is already set */
6902ed17
MP		 1102 read_batch = 1;
1103 break;
ea5164d1 1104
7d5acf1d 1105 case OPT_MAX_SIZE:
837d01dd 1106 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1107 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD		 1108 "--max-size value is invalid: %s\n",
1109 max_size_arg);
e012f858 1110 return 0;
7d5acf1d
WD		 1111 }
1112 break;
1113
74de13d1
WD		 1114 case OPT_MIN_SIZE:
1115 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1116 snprintf(err_buf, sizeof err_buf,
1117 "--min-size value is invalid: %s\n",
1118 min_size_arg);
1119 return 0;
1120 }
1121 break;
1122
59c95e42 1123 case OPT_LINK_DEST:
fcecb70b 1124#ifdef SUPPORT_HARD_LINKS
59c95e42 1125 link_dest = 1;
e012f858
WD		 1126 dest_option = "--link-dest";
1127 goto set_dest_dir;
59c95e42 1128#else
d175d7e1 1129 snprintf(err_buf, sizeof err_buf,
dfa32483 1130 "hard links are not supported on this %s\n",
59c95e42 1131 am_server ? "server" : "client");
59c95e42
DD		 1132 return 0;
1133#endif
1134
1de3e99b
WD		 1135 case OPT_COPY_DEST:
1136 copy_dest = 1;
1137 dest_option = "--copy-dest";
1138 goto set_dest_dir;
1139
e012f858
WD		 1140 case OPT_COMPARE_DEST:
1141 compare_dest = 1;
1142 dest_option = "--compare-dest";
1143 set_dest_dir:
3b26bba0 1144 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1145 snprintf(err_buf, sizeof err_buf,
1146 "ERROR: at most %d %s args may be specified\n",
1147 MAX_BASIS_DIRS, dest_option);
1148 return 0;
1149 }
ad77db8b
WD		 1150 /* We defer sanitizing this arg until we know what
1151 * our destination directory is going to be. */
1152 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1153 break;
1154
e16adcdf
WD		 1155 case OPT_CHMOD:
1156 arg = poptGetOptArg(pc);
bbe42182 1157 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD		 1158 snprintf(err_buf, sizeof err_buf,
1159 "Invalid argument passed to --chmod (%s)\n",
1160 arg);
1161 return 0;
1162 }
1163 break;
1164
f5a910dd
WD		 1165 case OPT_HELP:
1166 usage(FINFO);
1167 exit_cleanup(0);
1168
1c3344a1
WD		 1169 case 'A':
1170#ifdef SUPPORT_ACLS
1171 preserve_acls = 1;
1172 preserve_perms = 1;
1173 break;
1174#else
1175 /* FIXME: this should probably be ignored with a
1176 * warning and then countermeasures taken to
1177 * restrict group and other access in the presence
1178 * of any more restrictive ACLs, but this is safe
1179 * for now */
1180 snprintf(err_buf,sizeof(err_buf),
1181 "ACLs are not supported on this %s\n",
1182 am_server ? "server" : "client");
1183 return 0;
1184#endif
1185
16edf865
WD		 1186 case 'X':
1187#ifdef SUPPORT_XATTRS
524eaa82 1188 preserve_xattrs++;
16edf865
WD		 1189 preserve_perms = 1;
1190 break;
1191#else
1192 snprintf(err_buf,sizeof(err_buf),
1193 "extended attributes are not supported on this %s\n",
1194 am_server ? "server" : "client");
1195 return 0;
1196#endif
1c3344a1 1197
d853783f 1198 default:
55afbb52 1199 /* A large opt value means that set_refuse_options()
3671987f 1200 * turned this option off. */
c67d1386 1201 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1202 create_refuse_error(opt);
1203 return 0;
27ed20f7 1204 }
3671987f
WD		 1205 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1206 am_server ? "on remote machine: " : "",
1207 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1208 poptStrerror(opt));
dfa32483 1209 return 0;
d853783f 1210 }
7a6421fa 1211 }
2855f61f 1212
05724c07 1213 if (human_readable && *argc == 2) {
3ca9e5d8 1214 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1215 usage(FINFO);
1216 exit_cleanup(0);
1217 }
1218
332cf6df
WD		 1219#ifdef ICONV_OPTION
1220 if (iconv_opt) {
1221 if (!am_server && strcmp(iconv_opt, "-") == 0)
1222 iconv_opt = NULL;
1223 else
1224 need_unsorted_flist = 1;
1225 }
1226#endif
1227
4f5b0756 1228#ifndef SUPPORT_LINKS
54e87b4b 1229 if (preserve_links && !am_sender) {
e1add893
WD		 1230 snprintf(err_buf, sizeof err_buf,
1231 "symlinks are not supported on this %s\n",
1232 am_server ? "server" : "client");
e1add893
WD		 1233 return 0;
1234 }
1235#endif
1236
4f5b0756 1237#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 1238 if (preserve_hard_links) {
1239 snprintf(err_buf, sizeof err_buf,
1240 "hard links are not supported on this %s\n",
1241 am_server ? "server" : "client");
e1add893
WD		 1242 return 0;
1243 }
1244#endif
1245
9439c0cb
WD		 1246#ifndef SUPPORT_XATTRS
1247 if (am_root < 0) {
1248 snprintf(err_buf, sizeof err_buf,
1249 "--fake-super requires an rsync with extended attributes enabled\n");
1250 return 0;
1251 }
1252#endif
1253
088aac85 1254 if (write_batch && read_batch) {
c3ea0990 1255 snprintf(err_buf, sizeof err_buf,
36119893 1256 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1257 return 0;
088aac85 1258 }
11e758a4 1259 if (write_batch > 0 || read_batch) {
94327ff0
WD		 1260 if (am_server) {
1261 rprintf(FINFO,
1262 "ignoring --%s-batch option sent to server\n",
1263 write_batch ? "write" : "read");
1264 /* We don't actually exit_cleanup(), so that we can
1265 * still service older version clients that still send
1266 * batch args to server. */
1267 read_batch = write_batch = 0;
1268 batch_name = NULL;
254ee3ba
WD		 1269 } else if (dry_run)
1270 write_batch = 0;
b9f592fb 1271 }
36119893 1272 if (read_batch && files_from) {
c3ea0990 1273 snprintf(err_buf, sizeof err_buf,
36119893 1274 "--read-batch cannot be used with --files-from\n");
c3ea0990 1275 return 0;
36119893 1276 }
9b3318b0 1277 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1278 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 1279 "the batch-file name must be %d characters or less.\n",
1280 MAX_BATCH_NAME_LEN);
c3ea0990 1281 return 0;
beb93684 1282 }
088aac85 1283
ce58b1b4 1284 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 1285 snprintf(err_buf, sizeof err_buf,
1286 "the --temp-dir path is WAY too long.\n");
1287 return 0;
ce58b1b4
WD		 1288 }
1289
1de3e99b 1290 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1291 snprintf(err_buf, sizeof err_buf,
1de3e99b 1292 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD		 1293 return 0;
1294 }
1295
b6164938
WD		 1296 if (files_from) {
1297 if (recurse == 1) /* preserve recurse == 2 */
1298 recurse = 0;
550d4e23 1299 if (xfer_dirs < 0)
b6164938 1300 xfer_dirs = 1;
dfa32483 1301 }
51d48398 1302
b6164938
WD		 1303 if (xfer_dirs < 1)
1304 xfer_dirs = recurse || list_only;
dfa32483 1305
ea5164d1
WD		 1306 if (relative_paths < 0)
1307 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 1308 if (!relative_paths)
1309 implied_dirs = 0;
ea5164d1 1310
e0e32031 1311 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1312 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1313 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 1314 return 0;
1315 }
f5a910dd 1316 if (delete_before || delete_during || delete_after)
51d48398 1317 delete_mode = 1;
3296f91b 1318 else if (delete_mode || delete_excluded) {
e0e32031 1319 /* Only choose now between before & during if one is refused. */
3296f91b 1320 if (refused_delete_before) {
e0e32031
WD		 1321 if (!refused_delete_during)
1322 delete_during = 1;
1323 else {
1324 create_refuse_error(refused_delete_before);
1325 return 0;
1326 }
1327 } else if (refused_delete_during)
1328 delete_before = 1;
1329 delete_mode = 1;
3296f91b 1330 }
89fb5026
WD		 1331 if (!xfer_dirs && delete_mode) {
1332 snprintf(err_buf, sizeof err_buf,
1333 "--delete does not work without -r or -d.\n");
1334 return 0;
f5a910dd 1335 }
51d48398 1336
3671987f
WD		 1337 if (delete_mode && refused_delete) {
1338 create_refuse_error(refused_delete);
1339 return 0;
1340 }
1341
47c11975
WD		 1342 if (remove_source_files) {
1343 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 1344 * via the refusal of "delete", not any of the "delete-FOO"
1345 * options. */
1346 if (refused_delete && am_sender) {
1347 create_refuse_error(refused_delete);
1348 return 0;
1349 }
1350 need_messages_from_generator = 1;
1351 }
1352
7be73df4 1353 *argv = poptGetArgs(pc);
8db7cc2c 1354 *argc = count_args(*argv);
7be73df4
WD		 1355
1356 if (sanitize_paths) {
1357 int i;
1358 for (i = *argc; i-- > 0; )
91f4b31f 1359 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0, NULL);
1a7f3d99 1360 if (tmpdir)
91f4b31f 1361 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, NULL);
1a7f3d99 1362 if (backup_dir)
91f4b31f 1363 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, NULL);
7be73df4 1364 }
7842418b
WD		 1365 if (server_filter_list.head && !am_sender) {
1366 struct filter_list_struct *elp = &server_filter_list;
c3ea0990 1367 if (tmpdir) {
3671987f
WD		 1368 if (!*tmpdir)
1369 goto options_rejected;
58b1999e 1370 clean_fname(tmpdir, 1);
7842418b 1371 if (check_filter(elp, tmpdir, 1) < 0)
c3ea0990
WD		 1372 goto options_rejected;
1373 }
c3ea0990 1374 if (backup_dir) {
3671987f
WD		 1375 if (!*backup_dir)
1376 goto options_rejected;
58b1999e 1377 clean_fname(backup_dir, 1);
f0fa8c6d
WD		 1378 if (check_filter(elp, backup_dir, 1) < 0)
1379 goto options_rejected;
c3ea0990
WD		 1380 }
1381 }
7be73df4 1382
d175d7e1 1383 if (!backup_suffix)
e0391f81 1384 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1385 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1386 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 1387 snprintf(err_buf, sizeof err_buf,
1388 "--suffix cannot contain slashes: %s\n",
80ddadb7 1389 backup_suffix);
c3ea0990 1390 return 0;
80ddadb7 1391 }
e0391f81
WD		 1392 if (backup_dir) {
1393 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1394 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1395 if (backup_dir_remainder < 32) {
c3ea0990
WD		 1396 snprintf(err_buf, sizeof err_buf,
1397 "the --backup-dir path is WAY too long.\n");
1398 return 0;
e0391f81
WD		 1399 }
1400 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1401 backup_dir_buf[backup_dir_len++] = '/';
1402 backup_dir_buf[backup_dir_len] = '\0';
1403 }
0ee6ca98
WD		 1404 if (verbose > 1 && !am_sender)
1405 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 1406 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 1407 snprintf(err_buf, sizeof err_buf,
d175d7e1 1408 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 1409 return 0;
f41152d3
WD		 1410 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1411 snprintf(backup_dir_buf, sizeof backup_dir_buf,
1412 "P *%s", backup_suffix);
1413 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 1414 }
d4021b6d
WD		 1415 if (make_backups && !backup_dir)
1416 omit_dir_times = 1;
d175d7e1 1417
b3e4e7ef
WD		 1418 if (stdout_format) {
1419 if (am_server && log_format_has(stdout_format, 'I'))
1420 stdout_format_has_i = 2;
1421 else if (log_format_has(stdout_format, 'i'))
1422 stdout_format_has_i = itemize_changes | 1;
1423 if (!log_format_has(stdout_format, 'b')
1424 && !log_format_has(stdout_format, 'c'))
e7651884
WD		 1425 log_before_transfer = !am_server;
1426 } else if (itemize_changes) {
b3e4e7ef
WD		 1427 stdout_format = "%i %n%L";
1428 stdout_format_has_i = itemize_changes;
e7651884
WD		 1429 log_before_transfer = !am_server;
1430 }
87383697 1431
a892d905 1432 if (do_progress && !verbose && !log_before_transfer && !am_server)
e2559dbe 1433 verbose = 1;
87383697 1434
11e758a4
WD		 1435 if (dry_run)
1436 do_xfers = 0;
1437
9ac756c6
WD		 1438 set_io_timeout(io_timeout);
1439
b3e4e7ef
WD		 1440 if (verbose && !stdout_format) {
1441 stdout_format = "%n%L";
87383697 1442 log_before_transfer = !am_server;
3671987f 1443 }
b3e4e7ef
WD		 1444 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1445 stdout_format_has_o_or_i = 1;
e2559dbe 1446
232658d9 1447 if (logfile_name && !am_daemon) {
b3e4e7ef 1448 if (!logfile_format) {
232658d9 1449 logfile_format = "%i %n%L";
87c0f9d6 1450 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 1451 } else {
1452 if (log_format_has(logfile_format, 'i'))
19b85876 1453 logfile_format_has_i = 1;
b3e4e7ef
WD		 1454 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1455 logfile_format_has_o_or_i = 1;
87c0f9d6 1456 }
6dc9b74b 1457 log_init(0);
2873603a
WD		 1458 } else if (!am_daemon)
1459 logfile_format = NULL;
87c0f9d6 1460
9fb08441
WD		 1461 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1462 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 1463 if (bwlimit) {
1464 bwlimit_writemax = (size_t)bwlimit * 128;
1465 if (bwlimit_writemax < 512)
1466 bwlimit_writemax = 512;
1467 }
1468
cfce9f6d 1469 if (sparse_files && inplace) {
c3851185 1470 /* Note: we don't check for this below, because --append is
cfce9f6d
WD		 1471 * OK with --sparse (as long as redos are handled right). */
1472 snprintf(err_buf, sizeof err_buf,
1473 "--sparse cannot be used with --inplace\n");
1474 return 0;
1475 }
1476
a015788d
WD		 1477 if (append_mode) {
1478 if (whole_file > 0) {
1479 snprintf(err_buf, sizeof err_buf,
1480 "--append cannot be used with --whole-file\n");
1481 return 0;
1482 }
1483 if (refused_inplace) {
1484 create_refuse_error(refused_inplace);
1485 return 0;
1486 }
1487 inplace = 1;
1488 }
1489
f06e7082 1490 if (delay_updates && !partial_dir)
77860bac 1491 partial_dir = tmp_partialdir;
f06e7082 1492
a3221d2a 1493 if (inplace) {
4f5b0756 1494#ifdef HAVE_FTRUNCATE
a7260c40
WD		 1495 if (partial_dir) {
1496 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1497 "--%s cannot be used with --%s\n",
1498 append_mode ? "append" : "inplace",
f06e7082 1499 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 1500 return 0;
1501 }
3671987f
WD		 1502 /* --inplace implies --partial for refusal purposes, but we
1503 * clear the keep_partial flag for internal logic purposes. */
1504 if (refused_partial) {
1505 create_refuse_error(refused_partial);
1506 return 0;
1507 }
a3221d2a 1508 keep_partial = 0;
ded4daf0
WD		 1509#else
1510 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1511 "--%s is not supported on this %s\n",
1512 append_mode ? "append" : "inplace",
ded4daf0
WD		 1513 am_server ? "server" : "client");
1514 return 0;
1515#endif
075aa18f 1516 } else {
bc880cb8 1517 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 1518 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1519 partial_dir = strdup(arg);
1520 }
075aa18f 1521 if (partial_dir) {
3671987f
WD		 1522 if (*partial_dir)
1523 clean_fname(partial_dir, 1);
075aa18f
WD		 1524 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1525 partial_dir = NULL;
3671987f
WD		 1526 if (!partial_dir && refused_partial) {
1527 create_refuse_error(refused_partial);
1528 return 0;
1529 }
075aa18f
WD		 1530 keep_partial = 1;
1531 }
a3221d2a
WD		 1532 }
1533
ea5164d1 1534 if (files_from) {
305666bf
WD		 1535 char *h, *p;
1536 int q;
c3ea0990 1537 if (*argc > 2 || (!am_daemon && *argc == 1)) {
ea5164d1
WD		 1538 usage(FERROR);
1539 exit_cleanup(RERR_SYNTAX);
1540 }
63596e1c 1541 if (strcmp(files_from, "-") == 0) {
ea5164d1 1542 filesfrom_fd = 0;
63596e1c 1543 if (am_server)
305666bf
WD		 1544 filesfrom_host = ""; /* reading from socket */
1545 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 1546 if (am_server) {
305666bf
WD		 1547 snprintf(err_buf, sizeof err_buf,
1548 "The --files-from sent to the server cannot specify a host.\n");
1549 return 0;
ea5164d1 1550 }
305666bf
WD		 1551 files_from = p;
1552 filesfrom_host = h;
1553 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 1554 snprintf(err_buf, sizeof err_buf,
1555 "Invalid --files-from remote filename\n");
1556 return 0;
ea5164d1
WD		 1557 }
1558 } else {
305666bf 1559 if (sanitize_paths)
91f4b31f 1560 files_from = sanitize_path(NULL, files_from, NULL, 0, NULL);
305666bf
WD		 1561 if (server_filter_list.head) {
1562 if (!*files_from)
1563 goto options_rejected;
1564 clean_fname(files_from, 1);
1565 if (check_filter(&server_filter_list, files_from, 0) < 0)
1566 goto options_rejected;
1567 }
ea5164d1
WD		 1568 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1569 if (filesfrom_fd < 0) {
c3ea0990
WD		 1570 snprintf(err_buf, sizeof err_buf,
1571 "failed to open files-from file %s: %s\n",
1572 files_from, strerror(errno));
1573 return 0;
ea5164d1
WD		 1574 }
1575 }
1576 }
1577
7f2a1f65
WD		 1578 am_starting_up = 0;
1579
b11ed3b1 1580 return 1;
f0fa8c6d
WD		 1581
1582 options_rejected:
1583 snprintf(err_buf, sizeof err_buf,
1584 "Your options have been rejected by the server.\n");
1585 return 0;
7a6421fa
AT		 1586}
1587
1588
dafe63ca
MP		 1589/**
1590 * Construct a filtered list of options to pass through from the
1591 * client to the server.
1592 *
1593 * This involves setting options that will tell the server how to
1594 * behave, and also filtering out options that are processed only
1595 * locally.
1596 **/
7a6421fa
AT		 1597void server_options(char **args,int *argc)
1598{
74ba98a5 1599 static char argstr[64];
d853783f 1600 int ac = *argc;
f98c60bf 1601 char *arg;
ef5d23eb 1602
d853783f
AT		 1603 int i, x;
1604
93689aa5
DD		 1605 if (blocking_io == -1)
1606 blocking_io = 0;
1607
def97ff9 1608 /* This should always remain first on the server's command-line. */
d853783f
AT		 1609 args[ac++] = "--server";
1610
1312d9fc
WD		 1611 if (daemon_over_rsh) {
1612 args[ac++] = "--daemon";
1613 *argc = ac;
1614 /* if we're passing --daemon, we're done */
1615 return;
1616 }
1617
d853783f
AT		 1618 if (!am_sender)
1619 args[ac++] = "--sender";
1620
1621 x = 1;
1622 argstr[0] = '-';
f98c60bf 1623 for (i = 0; i < verbose; i++)
d853783f 1624 argstr[x++] = 'v';
f0b36a48 1625
b86f0cef 1626 /* the -q option is intentionally left out */
d853783f
AT		 1627 if (make_backups)
1628 argstr[x++] = 'b';
1629 if (update_only)
1630 argstr[x++] = 'u';
2dbf36ef 1631 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 1632 argstr[x++] = 'n';
1633 if (preserve_links)
1634 argstr[x++] = 'l';
4d51f0db 1635 if (xfer_dirs > (recurse || !delete_mode || !am_sender ? 1 : 0))
5454d22a 1636 argstr[x++] = 'd';
35bf8fa0
WD		 1637 if (am_sender) {
1638 if (keep_dirlinks)
1639 argstr[x++] = 'K';
876c9936
WD		 1640 if (prune_empty_dirs)
1641 argstr[x++] = 'm';
35bf8fa0
WD		 1642 if (omit_dir_times == 2)
1643 argstr[x++] = 'O';
2dbf36ef
WD		 1644 } else {
1645 if (copy_links)
1646 argstr[x++] = 'L';
1647 if (copy_dirlinks)
1648 argstr[x++] = 'k';
35bf8fa0 1649 }
1bfbf40b 1650
dfa32483 1651 if (whole_file > 0)
d853783f 1652 argstr[x++] = 'W';
bceec82f
MP		 1653 /* We don't need to send --no-whole-file, because it's the
1654 * default for remote transfers, and in any case old versions
1655 * of rsync will not understand it. */
dfa32483 1656
e0e32031 1657 if (preserve_hard_links) {
d853783f 1658 argstr[x++] = 'H';
e0e32031
WD		 1659 if (preserve_hard_links > 1)
1660 argstr[x++] = 'H';
1661 }
d853783f
AT		 1662 if (preserve_uid)
1663 argstr[x++] = 'o';
1664 if (preserve_gid)
1665 argstr[x++] = 'g';
b5c6a6ae 1666 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT		 1667 argstr[x++] = 'D';
1668 if (preserve_times)
1669 argstr[x++] = 't';
1670 if (preserve_perms)
1671 argstr[x++] = 'p';
344f9ba7
WD		 1672 else if (preserve_executability && am_sender)
1673 argstr[x++] = 'E';
1c3344a1
WD		 1674#ifdef SUPPORT_ACLS
1675 if (preserve_acls)
1676 argstr[x++] = 'A';
16edf865
WD		 1677#endif
1678#ifdef SUPPORT_XATTRS
524eaa82 1679 if (preserve_xattrs) {
16edf865 1680 argstr[x++] = 'X';
524eaa82
WD		 1681 if (preserve_xattrs > 1)
1682 argstr[x++] = 'X';
1683 }
1c3344a1 1684#endif
aa7a6e87 1685 if (recurse)
d853783f
AT		 1686 argstr[x++] = 'r';
1687 if (always_checksum)
1688 argstr[x++] = 'c';
1689 if (cvs_exclude)
1690 argstr[x++] = 'C';
1691 if (ignore_times)
1692 argstr[x++] = 'I';
1693 if (relative_paths)
1694 argstr[x++] = 'R';
243c995f 1695 if (one_file_system) {
d853783f 1696 argstr[x++] = 'x';
243c995f
WD		 1697 if (one_file_system > 1)
1698 argstr[x++] = 'x';
1699 }
d853783f
AT		 1700 if (sparse_files)
1701 argstr[x++] = 'S';
1702 if (do_compression)
1703 argstr[x++] = 'z';
f0b36a48 1704
51d48398
WD		 1705 /* This is a complete hack - blame Rusty. FIXME!
1706 * This hack is only needed for older rsync versions that
1707 * don't understand the --list-only option. */
da2a6c1f 1708 if (list_only == 1 && !recurse)
f0b36a48
AT		 1709 argstr[x++] = 'r';
1710
2ed790f3 1711#if SUBPROTOCOL_VERSION != 0
486f8cd1
WD		 1712 /* If we're speaking a pre-release version of a protocol, we tell
1713 * the server about this by (ab)using the -e option. */
2ed790f3 1714 if (protocol_version == PROTOCOL_VERSION) {
486f8cd1
WD		 1715 x += snprintf(argstr+x, sizeof argstr - x,
1716 "e%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
1717 }
2ed790f3 1718#endif
486f8cd1 1719
332cf6df
WD		 1720 argstr[x] = '\0';
1721
f98c60bf
WD		 1722 if (x != 1)
1723 args[ac++] = argstr;
d853783f 1724
51d48398
WD		 1725 if (list_only > 1)
1726 args[ac++] = "--list-only";
1727
f5a910dd
WD		 1728 /* This makes sure that the remote rsync can handle deleting with -d
1729 * sans -r because the --no-r option was added at the same time. */
1730 if (xfer_dirs && !recurse && delete_mode && am_sender)
1731 args[ac++] = "--no-r";
1732
854a1aad
WD		 1733 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
1734 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
1735 goto oom;
1736 args[ac++] = arg;
1737 }
1738
b5c6a6ae
WD		 1739 if (preserve_devices) {
1740 /* Note: sending "--devices" would not be backward-compatible. */
1741 if (!preserve_specials)
1742 args[ac++] = "--no-specials"; /* -D is already set. */
1743 } else if (preserve_specials)
1744 args[ac++] = "--specials";
1745
5c5e1598
WD		 1746 /* The server side doesn't use our log-format, but in certain
1747 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 1748 if (stdout_format && am_sender) {
1749 /* Use --log-format, not --out-format, for compatibility. */
1750 if (stdout_format_has_i > 1)
487094a0 1751 args[ac++] = "--log-format=%i%I";
b3e4e7ef 1752 else if (stdout_format_has_i)
684d7582 1753 args[ac++] = "--log-format=%i";
b3e4e7ef 1754 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 1755 args[ac++] = "--log-format=%o";
1756 else if (!verbose)
1757 args[ac++] = "--log-format=X";
1758 }
1f30a674 1759
332cf6df
WD		 1760#ifdef ICONV_OPTION
1761 if (iconv_opt) {
1762 char *set = strchr(iconv_opt, ',');
1763 if (set)
1764 set++;
1765 else
1766 set = iconv_opt;
1767 if (asprintf(&arg, "--iconv=%s", set) < 0)
1768 goto oom;
1769 args[ac++] = arg;
1770 }
1771#endif
1772
195bd906 1773 if (block_size) {
a06b419d 1774 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD		 1775 goto oom;
1776 args[ac++] = arg;
dfa32483 1777 }
d853783f 1778
e5e85283 1779 if (max_delete >= 0 && am_sender) {
f98c60bf
WD		 1780 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1781 goto oom;
1782 args[ac++] = arg;
dfa32483
WD		 1783 }
1784
74de13d1
WD		 1785 if (min_size && am_sender) {
1786 args[ac++] = "--min-size";
1787 args[ac++] = min_size_arg;
1788 }
1789
7d5acf1d
WD		 1790 if (max_size && am_sender) {
1791 args[ac++] = "--max-size";
1792 args[ac++] = max_size_arg;
1793 }
1794
d853783f 1795 if (io_timeout) {
f98c60bf
WD		 1796 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1797 goto oom;
1798 args[ac++] = arg;
dfa32483 1799 }
d853783f 1800
ef5d23eb 1801 if (bwlimit) {
f98c60bf
WD		 1802 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1803 goto oom;
1804 args[ac++] = arg;
ef5d23eb
DD		 1805 }
1806
d175d7e1
WD		 1807 if (backup_dir) {
1808 args[ac++] = "--backup-dir";
1809 args[ac++] = backup_dir;
1810 }
1811
1812 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 1813 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 1814 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD		 1815 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1816 goto oom;
1817 args[ac++] = arg;
d853783f
AT		 1818 }
1819
06a50542 1820 if (am_sender) {
e0e32031 1821 if (delete_before)
c6eb7fad 1822 args[ac++] = "--delete-before";
0d152437
WD		 1823 else if (delete_during == 2)
1824 args[ac++] = "--delete-delay";
1825 else if (delete_during)
1826 args[ac++] = "--delete-during";
1827 else if (delete_after)
06a50542 1828 args[ac++] = "--delete-after";
e0e32031
WD		 1829 else if (delete_mode && !delete_excluded)
1830 args[ac++] = "--delete";
1831 if (delete_excluded)
1832 args[ac++] = "--delete-excluded";
06a50542
WD		 1833 if (force_delete)
1834 args[ac++] = "--force";
11e758a4
WD		 1835 if (write_batch < 0)
1836 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 1837 if (am_root > 1)
1838 args[ac++] = "--super";
f17e769e
WD		 1839 if (size_only)
1840 args[ac++] = "--size-only";
06a50542 1841 }
b33b791e 1842
5b56cc19 1843 if (modify_window_set) {
f98c60bf
WD		 1844 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1845 goto oom;
1846 args[ac++] = arg;
5b56cc19
AT		 1847 }
1848
c8d895de 1849 if (checksum_seed) {
221ddb94 1850 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 1851 goto oom;
1852 args[ac++] = arg;
1853 }
1854
a7260c40 1855 if (partial_dir && am_sender) {
77860bac 1856 if (partial_dir != tmp_partialdir) {
3671987f
WD		 1857 args[ac++] = "--partial-dir";
1858 args[ac++] = partial_dir;
1859 }
f06e7082
WD		 1860 if (delay_updates)
1861 args[ac++] = "--delay-updates";
77860bac 1862 } else if (keep_partial && am_sender)
d853783f
AT		 1863 args[ac++] = "--partial";
1864
ef55c686
AT		 1865 if (ignore_errors)
1866 args[ac++] = "--ignore-errors";
1867
b5313607
DD		 1868 if (copy_unsafe_links)
1869 args[ac++] = "--copy-unsafe-links";
1870
d853783f
AT		 1871 if (safe_symlinks)
1872 args[ac++] = "--safe-links";
1873
1874 if (numeric_ids)
1875 args[ac++] = "--numeric-ids";
1876
4f3797c7
WD		 1877 if (am_sender) {
1878 if (ignore_existing)
1879 args[ac++] = "--ignore-existing";
1880
1881 /* Backward compatibility: send --existing, not --ignore-non-existing. */
1882 if (ignore_non_existing)
1883 args[ac++] = "--existing";
3d6feada 1884
4f3797c7
WD		 1885 if (tmpdir) {
1886 args[ac++] = "--temp-dir";
1887 args[ac++] = tmpdir;
1888 }
1889
1890 if (basis_dir[0]) {
1891 /* the server only needs this option if it is not the sender,
1892 * and it may be an older version that doesn't know this
1893 * option, so don't send it if client is the sender.
1894 */
1895 int i;
1896 for (i = 0; i < basis_dir_cnt; i++) {
1897 args[ac++] = dest_option;
1898 args[ac++] = basis_dir[i];
1899 }
1900 }
1901 }
e90aab49 1902
a015788d
WD		 1903 if (append_mode)
1904 args[ac++] = "--append";
1905 else if (inplace)
a3221d2a
WD		 1906 args[ac++] = "--inplace";
1907
305666bf
WD		 1908 if (files_from && (!am_sender || filesfrom_host)) {
1909 if (filesfrom_host) {
ea5164d1 1910 args[ac++] = "--files-from";
305666bf 1911 args[ac++] = files_from;
ea5164d1
WD		 1912 if (eol_nulls)
1913 args[ac++] = "--from0";
1914 } else {
1915 args[ac++] = "--files-from=-";
1916 args[ac++] = "--from0";
1917 }
c0ab28d1
WD		 1918 if (!relative_paths)
1919 args[ac++] = "--no-relative";
ea5164d1 1920 }
89f2a4c2 1921 if (relative_paths && !implied_dirs && !am_sender)
3a90ea0a 1922 args[ac++] = "--no-implied-dirs";
ea5164d1 1923
c4ed1487
WD		 1924 if (fuzzy_basis && am_sender)
1925 args[ac++] = "--fuzzy";
1926
47c11975
WD		 1927 if (remove_source_files == 1)
1928 args[ac++] = "--remove-source-files";
1929 else if (remove_source_files)
07c6ae7d
WD		 1930 args[ac++] = "--remove-sent-files";
1931
d853783f 1932 *argc = ac;
f98c60bf
WD		 1933 return;
1934
1935 oom:
1936 out_of_memory("server_options");
7a6421fa
AT		 1937}
1938
305666bf
WD		 1939/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1940 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1941 * memory with the HOST. If a daemon-accessing spec was specified, the value
1942 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1943 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1944 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1945 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1946char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 1947{
305666bf
WD		 1948 char *p;
1949 int not_host;
8f4ae68c 1950 int hostlen;
305666bf
WD		 1951
1952 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1953 char *path;
305666bf
WD		 1954 s += strlen(URL_PREFIX);
1955 if ((p = strchr(s, '/')) != NULL) {
1956 hostlen = p - s;
1957 path = p + 1;
1958 } else {
1959 hostlen = strlen(s);
1960 path = "";
1961 }
1962 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1963 s++;
1964 hostlen = p - s;
c60b7056
WD		 1965 if (p[1] == ':')
1966 *port_ptr = atoi(p+2);
305666bf
WD		 1967 } else {
1968 if ((p = strchr(s, ':')) != NULL) {
1969 hostlen = p - s;
1970 *port_ptr = atoi(p+1);
c60b7056 1971 }
305666bf 1972 }
c60b7056
WD		 1973 if (!*port_ptr)
1974 *port_ptr = RSYNC_PORT;
305666bf
WD		 1975 *host_ptr = new_array(char, hostlen + 1);
1976 strlcpy(*host_ptr, s, hostlen + 1);
1977 return path;
1978 }
ea5164d1 1979
305666bf 1980 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
8f4ae68c
WD		 1981 s++;
1982 hostlen = p - s;
305666bf
WD		 1983 *p = '\0';
1984 not_host = strchr(s, '/') || !strchr(s, ':');
1985 *p = ']';
1986 if (not_host)
1987 return NULL;
c60b7056 1988 p++;
305666bf
WD		 1989 } else {
1990 if (!(p = strchr(s, ':')))
1991 return NULL;
8f4ae68c 1992 hostlen = p - s;
305666bf
WD		 1993 *p = '\0';
1994 not_host = strchr(s, '/') != NULL;
1995 *p = ':';
1996 if (not_host)
1997 return NULL;
1998 }
1999
8f4ae68c
WD		 2000 *host_ptr = new_array(char, hostlen + 1);
2001 strlcpy(*host_ptr, s, hostlen + 1);
ea5164d1 2002
305666bf
WD		 2003 if (p[1] == ':') {
2004 if (port_ptr && !*port_ptr)
2005 *port_ptr = RSYNC_PORT;
2006 return p + 2;
2007 }
2008 if (port_ptr)
2009 *port_ptr = 0;
ea5164d1 2010
305666bf 2011 return p + 1;
ea5164d1 2012}
Matt McCutchen's repository for rsync, the fast and versatile remote file copier