When parsing a literal IPv6 address in square brackets, pass the
[rsync/rsync.git] / options.c
CommitLineData
0f78b815
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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>
6 * Copyright (C) 2002, 2003, 2004, 2005, 2006 Wayne Davison
dfa32483 7 *
dafe63ca
MP
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 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
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18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
dafe63ca 21 */
7a6421fa 22
7a6421fa 23#include "rsync.h"
35bf8fa0 24#include <popt.h>
854a1aad 25#include "zlib/zlib.h"
7a6421fa 26
7bc90b30 27extern int module_id;
7be73df4 28extern int sanitize_paths;
7842418b
WD
29extern struct filter_list_struct filter_list;
30extern struct filter_list_struct server_filter_list;
8645af1d 31
7a6421fa 32int make_backups = 0;
1bfbf40b
MP
33
34/**
dfa32483 35 * If 1, send the whole file as literal data rather than trying to
dafe63ca 36 * create an incremental diff.
1bfbf40b 37 *
dfa32483 38 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP
39 *
40 * @sa disable_deltas_p()
1bfbf40b 41 **/
dfa32483 42int whole_file = -1;
1bfbf40b 43
a015788d 44int append_mode = 0;
716e73d4 45int keep_dirlinks = 0;
2dbf36ef 46int copy_dirlinks = 0;
7a6421fa
AT
47int copy_links = 0;
48int preserve_links = 0;
49int preserve_hard_links = 0;
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;
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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;
a5c11139 74int am_root = 0;
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WD
75int am_server = 0;
76int am_sender = 0;
77int am_generator = 0;
78int am_starting_up = 1;
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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;
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87char *files_from = NULL;
88int filesfrom_fd = -1;
305666bf 89char *filesfrom_host = NULL;
ea5164d1 90int eol_nulls = 0;
8f14cc49 91int human_readable = 0;
7a6421fa 92int recurse = 0;
b6164938 93int xfer_dirs = -1;
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94int am_daemon = 0;
95int daemon_over_rsh = 0;
a5c11139
WD
96int do_stats = 0;
97int do_progress = 0;
98int keep_partial = 0;
99int safe_symlinks = 0;
100int copy_unsafe_links = 0;
101int size_only = 0;
9fb08441 102int daemon_bwlimit = 0;
a5c11139 103int bwlimit = 0;
c4ed1487 104int fuzzy_basis = 0;
3c74c3a3 105size_t bwlimit_writemax = 0;
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106int ignore_existing = 0;
107int ignore_non_existing = 0;
07c6ae7d 108int need_messages_from_generator = 0;
a5c11139 109int max_delete = 0;
7d5acf1d 110OFF_T max_size = 0;
74de13d1 111OFF_T min_size = 0;
a5c11139
WD
112int ignore_errors = 0;
113int modify_window = 0;
114int blocking_io = -1;
2289bf64 115int checksum_seed = 0;
a3221d2a 116int inplace = 0;
f06e7082 117int delay_updates = 0;
a06b419d 118long block_size = 0; /* "long" because popt can't set an int32. */
7a6421fa 119
b35d0d8e 120
13e29995 121/** Network address family. **/
4f5b0756 122#ifdef INET6
13e29995 123int default_af_hint = 0; /* Any protocol */
6ab6d4bf 124#else
13e29995 125int default_af_hint = AF_INET; /* Must use IPv4 */
6ab6d4bf 126#endif
06963d0f 127
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128/** Do not go into the background when run as --daemon. Good
129 * for debugging and required for running as a service on W32,
130 * or under Unix process-monitors. **/
1f35babc
WD
131int no_detach
132#if defined _WIN32 || defined __WIN32__
133 = 1;
134#else
135 = 0;
136#endif
13e29995 137
088aac85
DD
138int write_batch = 0;
139int read_batch = 0;
d175d7e1
WD
140int backup_dir_len = 0;
141int backup_suffix_len;
e0391f81 142unsigned int backup_dir_remainder;
6902ed17 143
d175d7e1 144char *backup_suffix = NULL;
7a6421fa 145char *tmpdir = NULL;
a7260c40 146char *partial_dir = NULL;
e012f858 147char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 148char *config_file = NULL;
7a6421fa 149char *shell_cmd = NULL;
87c0f9d6
WD
150char *logfile_name = NULL;
151char *logfile_format = NULL;
b3e4e7ef 152char *stdout_format = NULL;
65575e96 153char *password_file = NULL;
41bd28fe 154char *rsync_path = RSYNC_PATH;
66203a98 155char *backup_dir = NULL;
e0391f81 156char backup_dir_buf[MAXPATHLEN];
831f06a5 157char *sockopts = NULL;
0c56b1ad 158int rsync_port = 0;
dfd7d541 159int compare_dest = 0;
1de3e99b 160int copy_dest = 0;
59c95e42 161int link_dest = 0;
ce0b384f 162int basis_dir_cnt = 0;
f9a9f547 163char *dest_option = NULL;
7a6421fa
AT
164
165int verbose = 0;
b86f0cef 166int quiet = 0;
e7651884 167int log_before_transfer = 0;
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168int stdout_format_has_i = 0;
169int stdout_format_has_o_or_i = 0;
87c0f9d6 170int logfile_format_has_i = 0;
87c0f9d6 171int logfile_format_has_o_or_i = 0;
7a6421fa 172int always_checksum = 0;
f7632fc6 173int list_only = 0;
7a6421fa 174
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175#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
176char *batch_name = NULL;
6902ed17 177
dd32e2c3
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178struct chmod_mode_struct *chmod_modes = NULL;
179
e1add893 180static int daemon_opt; /* sets am_daemon after option error-reporting */
aa4d3b4c 181static int F_option_cnt = 0;
5b56cc19 182static int modify_window_set;
624d6be2 183static int itemize_changes = 0;
854a1aad 184static int refused_delete, refused_archive_part, refused_compress;
3296f91b 185static int refused_partial, refused_progress, refused_delete_before;
a015788d 186static int refused_inplace;
74de13d1 187static char *max_size_arg, *min_size_arg;
77860bac 188static char tmp_partialdir[] = ".~tmp~";
5b56cc19 189
06963d0f 190/** Local address to bind. As a character string because it's
fdf57ede 191 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
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192 * address, or a hostname. **/
193char *bind_address;
5c9730a4 194
7a24c346 195
27a12348 196static void print_rsync_version(enum logcode f)
7a24c346 197{
dfa32483 198 char const *got_socketpair = "no ";
a3221d2a 199 char const *have_inplace = "no ";
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WD
200 char const *hardlinks = "no ";
201 char const *links = "no ";
a358449a 202 char const *ipv6 = "no ";
736a6a29 203 STRUCT_STAT *dumstat;
0c80cd8e 204
4f5b0756 205#ifdef HAVE_SOCKETPAIR
dfa32483 206 got_socketpair = "";
0c80cd8e 207#endif
2855f61f 208
4f5b0756 209#ifdef HAVE_FTRUNCATE
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WD
210 have_inplace = "";
211#endif
212
4f5b0756 213#ifdef SUPPORT_HARD_LINKS
dfa32483 214 hardlinks = "";
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215#endif
216
4f5b0756 217#ifdef SUPPORT_LINKS
dfa32483 218 links = "";
2855f61f
MP
219#endif
220
4f5b0756 221#ifdef INET6
a358449a 222 ipv6 = "";
dfa32483 223#endif
a358449a 224
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WD
225 rprintf(f, "%s version %s protocol version %d\n",
226 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
ccb8f578 227 rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n");
3b4b1984 228 rprintf(f, "<http://rsync.samba.org/>\n");
dfa32483 229 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
29433538 230 "%shard links, %ssymlinks, batchfiles,\n",
a5c11139 231 (int) (sizeof (OFF_T) * 8),
dfa32483 232 got_socketpair, hardlinks, links);
2855f61f 233
736a6a29
MP
234 /* Note that this field may not have type ino_t. It depends
235 * on the complicated interaction between largefile feature
236 * macros. */
29433538
WD
237 rprintf(f, " %sinplace, %sIPv6, "
238 "%d-bit system inums, %d-bit internal inums\n",
a3221d2a 239 have_inplace, ipv6,
a5c11139 240 (int) (sizeof dumstat->st_ino * 8),
1490812a 241 (int) (sizeof (int64) * 8));
fc0302cf 242#ifdef MAINTAINER_MODE
29433538 243 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 244#endif
736a6a29 245
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WD
246#if SIZEOF_INT64 < 8
247 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 248#endif
c561edaa
WD
249 if (sizeof (int64) != SIZEOF_INT64) {
250 rprintf(f,
251 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
252 (int) SIZEOF_INT64, (int) sizeof (int64));
253 }
7b329a2d 254
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WD
255 rprintf(f,"\n");
256 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
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WD
257 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
258 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP
259}
260
261
0f3203c3 262void usage(enum logcode F)
7a6421fa 263{
2855f61f 264 print_rsync_version(F);
704f908e 265
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WD
266 rprintf(F,"\n");
267 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 268 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 269
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WD
270 rprintf(F,"\n");
271 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD
272 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
273 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
274 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 275 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 276 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 277 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD
278 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
279 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD
280 rprintf(F,"\n");
281 rprintf(F,"Options\n");
704f908e 282 rprintf(F," -v, --verbose increase verbosity\n");
b3708acf
WD
283 rprintf(F," -q, --quiet suppress non-error messages\n");
284 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
285 rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n");
8938d67e 286 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT
287 rprintf(F," -r, --recursive recurse into directories\n");
288 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 289 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 290 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD
291 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
292 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
293 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 294 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 295 rprintf(F," --append append data onto shorter files\n");
65e4cda0 296 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 297 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD
298 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
299 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
300 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
2dbf36ef 301 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 302 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 303 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 304 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 305 rprintf(F," -E, --executability preserve the file's executability\n");
46015897 306 rprintf(F," --chmod=CHMOD change destination permissions\n");
def97ff9 307 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 308 rprintf(F," -g, --group preserve group\n");
def97ff9 309 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD
310 rprintf(F," --specials preserve special files\n");
311 rprintf(F," -D same as --devices --specials\n");
dfa32483 312 rprintf(F," -t, --times preserve times\n");
20fb7b91 313 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n");
def97ff9 314 rprintf(F," --super receiver attempts super-user activities\n");
704f908e
AT
315 rprintf(F," -S, --sparse handle sparse files efficiently\n");
316 rprintf(F," -n, --dry-run show what would have been transferred\n");
98bf61c8 317 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n");
704f908e 318 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 319 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 320 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 321 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD
322 rprintf(F," --existing skip creating new files on receiver\n");
323 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 324 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 325 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 326 rprintf(F," --delete delete extraneous files from destination dirs\n");
c6eb7fad 327 rprintf(F," --delete-before receiver deletes before transfer (default)\n");
3359acb8
WD
328 rprintf(F," --delete-during receiver deletes during transfer, not before\n");
329 rprintf(F," --delete-after receiver deletes after transfer, not before\n");
fcecb70b 330 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
db2b5cb7 331 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 332 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 333 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 334 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 335 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 336 rprintf(F," --partial keep partially transferred files\n");
a7260c40 337 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 338 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 339 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 340 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
db2b5cb7 341 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
b3708acf
WD
342 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
343 rprintf(F," --size-only skip files that match in size\n");
344 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 345 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 346 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 347 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 348 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 349 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 350 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 351 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b3708acf 352 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 353 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 354 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 355 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 356 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 357 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 358 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD
359 rprintf(F," --include-from=FILE read include patterns from FILE\n");
360 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 361 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
b4ef0bca 362 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 363 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 364 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 365 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 366 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 367 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 368 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 369 rprintf(F," --progress show progress during transfer\n");
b3708acf 370 rprintf(F," -P same as --partial --progress\n");
b78296cb 371 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD
372 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
373 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
374 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
b3708acf 375 rprintf(F," --password-file=FILE read password from FILE\n");
65e4cda0 376 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD
377 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
378 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 379 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 380 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 381 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
4f5b0756 382#ifdef INET6
4db88e5b
WD
383 rprintf(F," -4, --ipv4 prefer IPv4\n");
384 rprintf(F," -6, --ipv6 prefer IPv6\n");
06963d0f 385#endif
4a34c6f1 386 rprintf(F," --version print version number\n");
375d8f91 387 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 388
b64ee91a
WD
389 rprintf(F,"\n");
390 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 391 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 392 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT
393}
394
3ac7f5d4 395enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 396 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 397 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 398 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
b5c6a6ae 399 OPT_NO_D,
0ccffd7c 400 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 401
2855f61f
MP
402static struct poptOption long_options[] = {
403 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 404 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 405 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 406 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 407 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 408 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
e86e2fa1
WD
409 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
410 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 411 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
e86e2fa1 412 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD
413 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
414 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
415 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
416 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
e86e2fa1 417 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD
418 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
419 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
420 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
421 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
422 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 423 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
b6164938 424 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
b6164938
WD
425 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
426 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
38b9170c
WD
427 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 },
428 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD
429 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
430 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
b6164938
WD
431 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
432 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
433 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
434 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
435 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
436 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD
437 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
438 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
439 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 440 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD
441 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
442 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 443 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD
444 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
445 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD
446 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
447 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
448 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
2dbf36ef 449 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 450 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
beab3078
WD
451 {"hard-links", 'H', POPT_ARG_VAL, &preserve_hard_links, 1, 0, 0 },
452 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
453 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD
454 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
455 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 456 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 457 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 458 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 459 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD
460 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
461 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 462 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
e86e2fa1 463 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 464 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 465 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 466 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 467 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 468 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
e86e2fa1
WD
469 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 },
470 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 },
471 {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 },
3671987f 472 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 473 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
c6eb7fad 474 {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 },
3359acb8 475 {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
51d48398
WD
476 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
477 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
47c11975
WD
478 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
479 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
afb6e945 480 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 },
e86e2fa1
WD
481 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 },
482 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
483 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 484 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD
485 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
486 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
487 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
488 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 489 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD
490 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
491 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 492 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
afb6e945 493 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 },
a06b419d 494 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 495 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 496 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 497 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
c4ed1487 498 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 },
854a1aad
WD
499 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
500 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 501 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD
502 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
503 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
504 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
505 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 506 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
f06e7082 507 {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 },
876c9936 508 {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 509 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD
510 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
511 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
512 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 513 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
afb6e945 514 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
11bfaf63 515 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
afb6e945 516 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD
517 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
518 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD
519 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
520 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 521 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1
WD
522 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
523 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
e86e2fa1
WD
524 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
525 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
526 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
527 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
528 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
4f5b0756 529#ifdef INET6
3dd22903
WD
530 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
531 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
06963d0f 532#endif
a6a27602 533 {"8-bit-output", '8', POPT_ARG_NONE, &allow_8bit_chars, 0, 0, 0 },
e86e2fa1
WD
534 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
535 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 536 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD
537 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
538 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
539 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
540 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
541 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 542 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD
543 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
544 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD
545 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
546 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1f35babc 547 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 548 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD
549 {0,0,0,0, 0, 0, 0}
550};
551
552static void daemon_usage(enum logcode F)
553{
554 print_rsync_version(F);
555
b64ee91a
WD
556 rprintf(F,"\n");
557 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 558 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 559 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4
WD
560 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
561 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 562 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 563 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 564 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 565 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 566 rprintf(F," -v, --verbose increase verbosity\n");
4f5b0756 567#ifdef INET6
3ac7f5d4
WD
568 rprintf(F," -4, --ipv4 prefer IPv4\n");
569 rprintf(F," -6, --ipv6 prefer IPv6\n");
570#endif
05724c07 571 rprintf(F," --help show this help screen\n");
3ac7f5d4 572
b64ee91a
WD
573 rprintf(F,"\n");
574 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD
575 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
576}
577
578static struct poptOption long_daemon_options[] = {
579 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
580 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 581 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD
582 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
583 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
4f5b0756 584#ifdef INET6
3ac7f5d4
WD
585 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
586 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
587#endif
1f35babc 588 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
87c0f9d6 589 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 590 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1f35babc 591 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
3ac7f5d4 592 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 593 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD
594 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
595 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 596 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 597 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD
598 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
599 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 600 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 601 {0,0,0,0, 0, 0, 0}
2855f61f 602};
7a6421fa 603
06963d0f 604
e51094b7 605static char err_buf[200];
cd8185f2 606
2855f61f 607
dafe63ca
MP
608/**
609 * Store the option error message, if any, so that we can log the
610 * connection attempt (which requires parsing the options), and then
611 * show the error later on.
612 **/
cd8185f2
AT
613void option_error(void)
614{
e51094b7
WD
615 if (!err_buf[0]) {
616 strcpy(err_buf, "Error parsing options: "
617 "option may be supported on client but not on server?\n");
cd8185f2 618 }
e51094b7 619
e51094b7 620 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 621 msleep(20);
cd8185f2
AT
622}
623
dafe63ca
MP
624
625/**
27ed20f7
WD
626 * Tweak the option table to disable all options that the rsyncd.conf
627 * file has told us to refuse.
dafe63ca 628 **/
27ed20f7 629static void set_refuse_options(char *bp)
cd8185f2 630{
27ed20f7 631 struct poptOption *op;
093e816c 632 char *cp, shortname[2];
d73e7f6e 633 int is_wild, found_match;
093e816c
WD
634
635 shortname[1] = '\0';
27ed20f7
WD
636
637 while (1) {
06a50542
WD
638 while (*bp == ' ') bp++;
639 if (!*bp)
640 break;
27ed20f7
WD
641 if ((cp = strchr(bp, ' ')) != NULL)
642 *cp= '\0';
093e816c 643 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 644 found_match = 0;
55afbb52 645 for (op = long_options; ; op++) {
093e816c 646 *shortname = op->shortName;
d73e7f6e
WD
647 if (!op->longName && !*shortname)
648 break;
649 if ((op->longName && wildmatch(bp, op->longName))
684d7582 650 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD
651 if (op->argInfo == POPT_ARG_VAL)
652 op->argInfo = POPT_ARG_NONE;
06a50542 653 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 654 found_match = 1;
3671987f
WD
655 /* These flags are set to let us easily check
656 * an implied option later in the code. */
657 switch (*shortname) {
3671987f
WD
658 case 'r': case 'd': case 'l': case 'p':
659 case 't': case 'g': case 'o': case 'D':
660 refused_archive_part = op->val;
661 break;
854a1aad
WD
662 case 'z':
663 refused_compress = op->val;
664 break;
3671987f
WD
665 case '\0':
666 if (wildmatch("delete", op->longName))
667 refused_delete = op->val;
3296f91b
WD
668 else if (wildmatch("delete-before", op->longName))
669 refused_delete_before = op->val;
3671987f
WD
670 else if (wildmatch("partial", op->longName))
671 refused_partial = op->val;
672 else if (wildmatch("progress", op->longName))
673 refused_progress = op->val;
a015788d
WD
674 else if (wildmatch("inplace", op->longName))
675 refused_inplace = op->val;
3671987f
WD
676 break;
677 }
06a50542
WD
678 if (!is_wild)
679 break;
27ed20f7 680 }
cd8185f2 681 }
d73e7f6e
WD
682 if (!found_match) {
683 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
684 bp);
685 }
27ed20f7
WD
686 if (!cp)
687 break;
688 *cp = ' ';
689 bp = cp + 1;
cd8185f2 690 }
cd8185f2
AT
691}
692
693
8db7cc2c 694static int count_args(const char **argv)
2855f61f 695{
dfa32483 696 int i = 0;
2855f61f 697
8db7cc2c
WD
698 if (argv) {
699 while (argv[i] != NULL)
700 i++;
701 }
dfa32483
WD
702
703 return i;
2855f61f
MP
704}
705
706
837d01dd 707static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 708{
3c19f72c
WD
709 int reps, mult, make_compatible = 0;
710 const char *arg;
711 OFF_T size = 1;
95e107db 712
aeb213ea 713 for (arg = *size_arg; isdigit(*(uchar*)arg); arg++) {}
95e107db
WD
714 if (*arg == '.')
715 for (arg++; isdigit(*(uchar*)arg); arg++) {}
3c19f72c 716 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 717 case 'b': case 'B':
3c19f72c 718 reps = 0;
837d01dd 719 break;
95e107db 720 case 'k': case 'K':
3c19f72c 721 reps = 1;
95e107db
WD
722 break;
723 case 'm': case 'M':
3c19f72c 724 reps = 2;
95e107db
WD
725 break;
726 case 'g': case 'G':
3c19f72c 727 reps = 3;
95e107db
WD
728 break;
729 default:
3c19f72c 730 return -1;
95e107db 731 }
3c19f72c
WD
732 if (*arg == 'b' || *arg == 'B')
733 mult = 1000, make_compatible = 1, arg++;
734 else if (!*arg || *arg == '+' || *arg == '-')
735 mult = 1024;
736 else if (strncasecmp(arg, "ib", 2) == 0)
737 mult = 1024, arg += 2;
738 else
739 return -1;
740 while (reps--)
741 size *= mult;
742 size *= atof(*size_arg);
743 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
744 size += atoi(arg), make_compatible = 1, arg += 2;
745 if (*arg)
746 return -1;
aeb213ea 747 if (size > 0 && make_compatible) {
74de13d1
WD
748 /* We convert this manually because we may need %lld precision,
749 * and that's not a portable sprintf() escape. */
8f14cc49 750 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 751 OFF_T num = size;
8f14cc49 752 *s = '\0';
aeb213ea 753 while (num) {
aeb213ea
WD
754 *--s = (num % 10) + '0';
755 num /= 10;
756 }
757 if (!(*size_arg = strdup(s)))
758 out_of_memory("parse_size_arg");
759 }
95e107db
WD
760 return size;
761}
762
763
3671987f
WD
764static void create_refuse_error(int which)
765{
766 /* The "which" value is the index + OPT_REFUSED_BASE. */
767 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
768 int n = snprintf(err_buf, sizeof err_buf,
769 "The server is configured to refuse --%s\n",
770 op->longName) - 1;
771 if (op->shortName) {
772 snprintf(err_buf + n, sizeof err_buf - n,
773 " (-%c)\n", op->shortName);
774 }
775}
776
777
dafe63ca
MP
778/**
779 * Process command line arguments. Called on both local and remote.
780 *
781 * @retval 1 if all options are OK; with globals set to appropriate
782 * values
783 *
784 * @retval 0 on error, with err_buf containing an explanation
785 **/
2855f61f 786int parse_arguments(int *argc, const char ***argv, int frommain)
7a6421fa 787{
d853783f 788 int opt;
cd8185f2 789 char *ref = lp_refuse_options(module_id);
7be73df4 790 const char *arg;
dfa32483 791 poptContext pc;
d853783f 792
27ed20f7
WD
793 if (ref && *ref)
794 set_refuse_options(ref);
232658d9
WD
795 if (am_daemon)
796 set_refuse_options("log-file*");
27ed20f7 797
dfa32483 798 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 799
dfa32483
WD
800 /* The context leaks in case of an error, but if there's a
801 * problem we always exit anyhow. */
802 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
9fb08441 803 poptReadDefaultConfig(pc, 0);
2855f61f
MP
804
805 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD
806 /* most options are handled automatically by popt;
807 * only special cases are returned and listed here. */
2855f61f 808
d853783f
AT
809 switch (opt) {
810 case OPT_VERSION:
dfa32483 811 print_rsync_version(FINFO);
d853783f 812 exit_cleanup(0);
dfa32483 813
0ccffd7c
WD
814 case OPT_SERVER:
815 if (!am_server) {
816 /* Disable popt aliases on the server side and
817 * then start parsing the options again. */
818 poptFreeContext(pc);
819 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
820 long_options, 0);
821 am_server = 1;
822 }
823 break;
824
825 case OPT_SENDER:
826 if (!am_server) {
827 usage(FERROR);
828 exit_cleanup(RERR_SYNTAX);
829 }
830 am_sender = 1;
831 break;
832
3ac7f5d4
WD
833 case OPT_DAEMON:
834 if (am_daemon) {
835 strcpy(err_buf, "Attempt to hack rsync thwarted!\n");
836 return 0;
837 }
838 poptFreeContext(pc);
839 pc = poptGetContext(RSYNC_NAME, *argc, *argv,
840 long_daemon_options, 0);
841 while ((opt = poptGetNextOpt(pc)) != -1) {
842 switch (opt) {
843 case 'h':
844 daemon_usage(FINFO);
845 exit_cleanup(0);
846
1bd9db74
WD
847 case 'v':
848 verbose++;
849 break;
850
3ac7f5d4
WD
851 default:
852 rprintf(FERROR,
853 "rsync: %s: %s (in daemon mode)\n",
854 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
855 poptStrerror(opt));
856 goto daemon_error;
857 }
858 }
b6e22a47
WD
859
860 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
861 snprintf(err_buf, sizeof err_buf,
862 "the --temp-dir path is WAY too long.\n");
863 return 0;
864 }
865
3ac7f5d4
WD
866 if (!daemon_opt) {
867 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
868 daemon_error:
869 rprintf(FERROR,
870 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
871 exit_cleanup(RERR_SYNTAX);
872 }
b6e22a47 873
3ac7f5d4
WD
874 *argv = poptGetArgs(pc);
875 *argc = count_args(*argv);
7f2a1f65 876 am_starting_up = 0;
3ac7f5d4
WD
877 daemon_opt = 0;
878 am_daemon = 1;
879 return 1;
880
5b56cc19 881 case OPT_MODIFY_WINDOW:
dfa32483
WD
882 /* The value has already been set by popt, but
883 * we need to remember that we're using a
884 * non-default setting. */
5b56cc19
AT
885 modify_window_set = 1;
886 break;
1de50993 887
aa4d3b4c 888 case OPT_FILTER:
3a5e9224 889 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT
890 break;
891
aa4d3b4c 892 case OPT_EXCLUDE:
3a5e9224 893 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 894 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD
895 break;
896
d853783f 897 case OPT_INCLUDE:
3a5e9224 898 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 899 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT
900 break;
901
902 case OPT_EXCLUDE_FROM:
93695764 903 case OPT_INCLUDE_FROM:
7be73df4 904 arg = poptGetOptArg(pc);
d1e6b0e2 905 if (sanitize_paths) {
91f4b31f 906 arg = sanitize_path(NULL, arg, NULL, 0, NULL);
d1e6b0e2
WD
907 die_on_unsafe_path((char*)arg, 0);
908 }
7842418b 909 if (server_filter_list.head) {
d3ef9859
WD
910 char *cp = strdup(arg);
911 if (!cp)
912 out_of_memory("parse_arguments");
3671987f
WD
913 if (!*cp)
914 goto options_rejected;
ba3db479 915 clean_fname(cp, 1);
7842418b 916 if (check_filter(&server_filter_list, cp, 0) < 0)
ba3db479 917 goto options_rejected;
d3ef9859 918 free(cp);
ba3db479 919 }
3a5e9224
WD
920 parse_filter_file(&filter_list, arg,
921 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
922 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD
923 break;
924
b6164938
WD
925 case 'a':
926 if (refused_archive_part) {
927 create_refuse_error(refused_archive_part);
928 return 0;
929 }
930 if (!recurse) /* preserve recurse == 2 */
931 recurse = 1;
932#ifdef SUPPORT_LINKS
933 preserve_links = 1;
934#endif
935 preserve_perms = 1;
936 preserve_times = 1;
937 preserve_gid = 1;
938 preserve_uid = 1;
939 preserve_devices = 1;
b5c6a6ae
WD
940 preserve_specials = 1;
941 break;
942
943 case 'D':
944 preserve_devices = preserve_specials = 1;
945 break;
946
947 case OPT_NO_D:
948 preserve_devices = preserve_specials = 0;
b6164938
WD
949 break;
950
3ca9e5d8
WD
951 case 'h':
952 human_readable++;
953 break;
954
487094a0
WD
955 case 'i':
956 itemize_changes++;
957 break;
958
d853783f
AT
959 case 'v':
960 verbose++;
961 break;
7a6421fa 962
b86f0cef 963 case 'q':
f98c60bf
WD
964 if (frommain)
965 quiet++;
b86f0cef
DD
966 break;
967
243c995f
WD
968 case 'x':
969 one_file_system++;
970 break;
971
aa4d3b4c
WD
972 case 'F':
973 switch (++F_option_cnt) {
974 case 1:
3a5e9224 975 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD
976 break;
977 case 2:
3a5e9224 978 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD
979 break;
980 }
981 break;
982
d9fcc198 983 case 'P':
3671987f
WD
984 if (refused_partial || refused_progress) {
985 create_refuse_error(refused_partial
986 ? refused_partial : refused_progress);
987 return 0;
988 }
d9fcc198
AT
989 do_progress = 1;
990 keep_partial = 1;
991 break;
992
854a1aad
WD
993 case 'z':
994 if (def_compress_level < Z_DEFAULT_COMPRESSION
995 || def_compress_level > Z_BEST_COMPRESSION) {
996 snprintf(err_buf, sizeof err_buf,
997 "--compress-level value is invalid: %d\n",
998 def_compress_level);
999 return 0;
1000 }
1001 do_compression = def_compress_level != Z_NO_COMPRESSION;
1002 if (do_compression && refused_compress) {
1003 create_refuse_error(refused_compress);
1004 return 0;
1005 }
1006 break;
1007
088aac85 1008 case OPT_WRITE_BATCH:
9b3318b0 1009 /* batch_name is already set */
088aac85
DD
1010 write_batch = 1;
1011 break;
1012
11e758a4
WD
1013 case OPT_ONLY_WRITE_BATCH:
1014 /* batch_name is already set */
1015 write_batch = -1;
1016 break;
1017
76f79ba7 1018 case OPT_READ_BATCH:
9b3318b0 1019 /* batch_name is already set */
6902ed17
MP
1020 read_batch = 1;
1021 break;
ea5164d1 1022
7d5acf1d 1023 case OPT_MAX_SIZE:
837d01dd 1024 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1025 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD
1026 "--max-size value is invalid: %s\n",
1027 max_size_arg);
e012f858 1028 return 0;
7d5acf1d
WD
1029 }
1030 break;
1031
74de13d1
WD
1032 case OPT_MIN_SIZE:
1033 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1034 snprintf(err_buf, sizeof err_buf,
1035 "--min-size value is invalid: %s\n",
1036 min_size_arg);
1037 return 0;
1038 }
1039 break;
1040
59c95e42 1041 case OPT_LINK_DEST:
fcecb70b 1042#ifdef SUPPORT_HARD_LINKS
59c95e42 1043 link_dest = 1;
e012f858
WD
1044 dest_option = "--link-dest";
1045 goto set_dest_dir;
59c95e42 1046#else
d175d7e1 1047 snprintf(err_buf, sizeof err_buf,
dfa32483 1048 "hard links are not supported on this %s\n",
59c95e42 1049 am_server ? "server" : "client");
59c95e42
DD
1050 return 0;
1051#endif
1052
1de3e99b
WD
1053 case OPT_COPY_DEST:
1054 copy_dest = 1;
1055 dest_option = "--copy-dest";
1056 goto set_dest_dir;
1057
e012f858
WD
1058 case OPT_COMPARE_DEST:
1059 compare_dest = 1;
1060 dest_option = "--compare-dest";
1061 set_dest_dir:
3b26bba0 1062 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD
1063 snprintf(err_buf, sizeof err_buf,
1064 "ERROR: at most %d %s args may be specified\n",
1065 MAX_BASIS_DIRS, dest_option);
1066 return 0;
1067 }
ad77db8b
WD
1068 /* We defer sanitizing this arg until we know what
1069 * our destination directory is going to be. */
1070 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD
1071 break;
1072
e16adcdf
WD
1073 case OPT_CHMOD:
1074 arg = poptGetOptArg(pc);
bbe42182 1075 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD
1076 snprintf(err_buf, sizeof err_buf,
1077 "Invalid argument passed to --chmod (%s)\n",
1078 arg);
1079 return 0;
1080 }
1081 break;
1082
f5a910dd
WD
1083 case OPT_HELP:
1084 usage(FINFO);
1085 exit_cleanup(0);
1086
d853783f 1087 default:
55afbb52 1088 /* A large opt value means that set_refuse_options()
3671987f 1089 * turned this option off. */
c67d1386 1090 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD
1091 create_refuse_error(opt);
1092 return 0;
27ed20f7 1093 }
3671987f
WD
1094 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1095 am_server ? "on remote machine: " : "",
1096 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1097 poptStrerror(opt));
dfa32483 1098 return 0;
d853783f 1099 }
7a6421fa 1100 }
2855f61f 1101
05724c07 1102 if (human_readable && *argc == 2) {
3ca9e5d8 1103 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD
1104 usage(FINFO);
1105 exit_cleanup(0);
1106 }
1107
4f5b0756 1108#ifndef SUPPORT_LINKS
54e87b4b 1109 if (preserve_links && !am_sender) {
e1add893
WD
1110 snprintf(err_buf, sizeof err_buf,
1111 "symlinks are not supported on this %s\n",
1112 am_server ? "server" : "client");
e1add893
WD
1113 return 0;
1114 }
1115#endif
1116
4f5b0756 1117#ifndef SUPPORT_HARD_LINKS
e1add893
WD
1118 if (preserve_hard_links) {
1119 snprintf(err_buf, sizeof err_buf,
1120 "hard links are not supported on this %s\n",
1121 am_server ? "server" : "client");
e1add893
WD
1122 return 0;
1123 }
1124#endif
1125
088aac85 1126 if (write_batch && read_batch) {
c3ea0990 1127 snprintf(err_buf, sizeof err_buf,
36119893 1128 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1129 return 0;
088aac85 1130 }
11e758a4 1131 if (write_batch > 0 || read_batch) {
94327ff0
WD
1132 if (am_server) {
1133 rprintf(FINFO,
1134 "ignoring --%s-batch option sent to server\n",
1135 write_batch ? "write" : "read");
1136 /* We don't actually exit_cleanup(), so that we can
1137 * still service older version clients that still send
1138 * batch args to server. */
1139 read_batch = write_batch = 0;
1140 batch_name = NULL;
254ee3ba
WD
1141 } else if (dry_run)
1142 write_batch = 0;
b9f592fb 1143 }
36119893 1144 if (read_batch && files_from) {
c3ea0990 1145 snprintf(err_buf, sizeof err_buf,
36119893 1146 "--read-batch cannot be used with --files-from\n");
c3ea0990 1147 return 0;
36119893 1148 }
9b3318b0 1149 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1150 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD
1151 "the batch-file name must be %d characters or less.\n",
1152 MAX_BATCH_NAME_LEN);
c3ea0990 1153 return 0;
beb93684 1154 }
088aac85 1155
ce58b1b4 1156 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD
1157 snprintf(err_buf, sizeof err_buf,
1158 "the --temp-dir path is WAY too long.\n");
1159 return 0;
ce58b1b4
WD
1160 }
1161
1de3e99b 1162 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1163 snprintf(err_buf, sizeof err_buf,
1de3e99b 1164 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD
1165 return 0;
1166 }
1167
b6164938
WD
1168 if (files_from) {
1169 if (recurse == 1) /* preserve recurse == 2 */
1170 recurse = 0;
550d4e23 1171 if (xfer_dirs < 0)
b6164938 1172 xfer_dirs = 1;
dfa32483 1173 }
51d48398 1174
b6164938
WD
1175 if (xfer_dirs < 1)
1176 xfer_dirs = recurse || list_only;
dfa32483 1177
ea5164d1
WD
1178 if (relative_paths < 0)
1179 relative_paths = files_from? 1 : 0;
89f2a4c2
WD
1180 if (!relative_paths)
1181 implied_dirs = 0;
ea5164d1 1182
c6eb7fad 1183 if (!!delete_before + delete_during + delete_after > 1) {
3359acb8 1184 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1185 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD
1186 return 0;
1187 }
f5a910dd 1188 if (delete_before || delete_during || delete_after)
51d48398 1189 delete_mode = 1;
3296f91b
WD
1190 else if (delete_mode || delete_excluded) {
1191 if (refused_delete_before) {
1192 create_refuse_error(refused_delete_before);
1193 return 0;
1194 }
3359acb8 1195 delete_mode = delete_before = 1;
3296f91b 1196 }
89fb5026
WD
1197 if (!xfer_dirs && delete_mode) {
1198 snprintf(err_buf, sizeof err_buf,
1199 "--delete does not work without -r or -d.\n");
1200 return 0;
f5a910dd 1201 }
51d48398 1202
3671987f
WD
1203 if (delete_mode && refused_delete) {
1204 create_refuse_error(refused_delete);
1205 return 0;
1206 }
1207
47c11975
WD
1208 if (remove_source_files) {
1209 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD
1210 * via the refusal of "delete", not any of the "delete-FOO"
1211 * options. */
1212 if (refused_delete && am_sender) {
1213 create_refuse_error(refused_delete);
1214 return 0;
1215 }
1216 need_messages_from_generator = 1;
1217 }
1218
7be73df4 1219 *argv = poptGetArgs(pc);
8db7cc2c 1220 *argc = count_args(*argv);
7be73df4
WD
1221
1222 if (sanitize_paths) {
1223 int i;
1224 for (i = *argc; i-- > 0; )
91f4b31f 1225 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0, NULL);
d1e6b0e2 1226 if (tmpdir) {
91f4b31f 1227 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, NULL);
d1e6b0e2
WD
1228 die_on_unsafe_path(tmpdir, 0);
1229 }
1230 if (backup_dir) {
91f4b31f 1231 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, NULL);
d1e6b0e2
WD
1232 die_on_unsafe_path(backup_dir, 0);
1233 }
7be73df4 1234 }
7842418b
WD
1235 if (server_filter_list.head && !am_sender) {
1236 struct filter_list_struct *elp = &server_filter_list;
c3ea0990 1237 if (tmpdir) {
3671987f
WD
1238 if (!*tmpdir)
1239 goto options_rejected;
58b1999e 1240 clean_fname(tmpdir, 1);
7842418b 1241 if (check_filter(elp, tmpdir, 1) < 0)
c3ea0990
WD
1242 goto options_rejected;
1243 }
c3ea0990 1244 if (backup_dir) {
3671987f
WD
1245 if (!*backup_dir)
1246 goto options_rejected;
58b1999e 1247 clean_fname(backup_dir, 1);
305666bf
WD
1248 if (check_filter(elp, backup_dir, 1) < 0) {
1249 options_rejected:
1250 snprintf(err_buf, sizeof err_buf,
1251 "Your options have been rejected by the server.\n");
1252 return 0;
1253 }
c3ea0990
WD
1254 }
1255 }
7be73df4 1256
d175d7e1 1257 if (!backup_suffix)
e0391f81 1258 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1259 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1260 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD
1261 snprintf(err_buf, sizeof err_buf,
1262 "--suffix cannot contain slashes: %s\n",
80ddadb7 1263 backup_suffix);
c3ea0990 1264 return 0;
80ddadb7 1265 }
e0391f81
WD
1266 if (backup_dir) {
1267 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1268 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1269 if (backup_dir_remainder < 32) {
c3ea0990
WD
1270 snprintf(err_buf, sizeof err_buf,
1271 "the --backup-dir path is WAY too long.\n");
1272 return 0;
e0391f81
WD
1273 }
1274 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1275 backup_dir_buf[backup_dir_len++] = '/';
1276 backup_dir_buf[backup_dir_len] = '\0';
1277 }
0ee6ca98
WD
1278 if (verbose > 1 && !am_sender)
1279 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 1280 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 1281 snprintf(err_buf, sizeof err_buf,
d175d7e1 1282 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 1283 return 0;
c2226070 1284 } else if (make_backups && delete_mode && !delete_excluded) {
c2c5682c
WD
1285 snprintf(backup_dir_buf, sizeof backup_dir_buf,
1286 "P *%s", backup_suffix);
1287 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 1288 }
d4021b6d
WD
1289 if (make_backups && !backup_dir)
1290 omit_dir_times = 1;
d175d7e1 1291
b3e4e7ef
WD
1292 if (stdout_format) {
1293 if (am_server && log_format_has(stdout_format, 'I'))
1294 stdout_format_has_i = 2;
1295 else if (log_format_has(stdout_format, 'i'))
1296 stdout_format_has_i = itemize_changes | 1;
1297 if (!log_format_has(stdout_format, 'b')
1298 && !log_format_has(stdout_format, 'c'))
e7651884
WD
1299 log_before_transfer = !am_server;
1300 } else if (itemize_changes) {
b3e4e7ef
WD
1301 stdout_format = "%i %n%L";
1302 stdout_format_has_i = itemize_changes;
e7651884
WD
1303 log_before_transfer = !am_server;
1304 }
87383697 1305
a892d905 1306 if (do_progress && !verbose && !log_before_transfer && !am_server)
e2559dbe 1307 verbose = 1;
87383697 1308
11e758a4
WD
1309 if (dry_run)
1310 do_xfers = 0;
1311
9ac756c6
WD
1312 set_io_timeout(io_timeout);
1313
b3e4e7ef
WD
1314 if (verbose && !stdout_format) {
1315 stdout_format = "%n%L";
87383697 1316 log_before_transfer = !am_server;
3671987f 1317 }
b3e4e7ef
WD
1318 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1319 stdout_format_has_o_or_i = 1;
e2559dbe 1320
232658d9 1321 if (logfile_name && !am_daemon) {
b3e4e7ef 1322 if (!logfile_format) {
232658d9 1323 logfile_format = "%i %n%L";
87c0f9d6 1324 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD
1325 } else {
1326 if (log_format_has(logfile_format, 'i'))
19b85876 1327 logfile_format_has_i = 1;
b3e4e7ef
WD
1328 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1329 logfile_format_has_o_or_i = 1;
87c0f9d6 1330 }
6dc9b74b 1331 log_init(0);
2873603a
WD
1332 } else if (!am_daemon)
1333 logfile_format = NULL;
87c0f9d6 1334
9fb08441
WD
1335 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1336 bwlimit = daemon_bwlimit;
3c74c3a3
WD
1337 if (bwlimit) {
1338 bwlimit_writemax = (size_t)bwlimit * 128;
1339 if (bwlimit_writemax < 512)
1340 bwlimit_writemax = 512;
1341 }
1342
cfce9f6d 1343 if (sparse_files && inplace) {
c3851185 1344 /* Note: we don't check for this below, because --append is
cfce9f6d
WD
1345 * OK with --sparse (as long as redos are handled right). */
1346 snprintf(err_buf, sizeof err_buf,
1347 "--sparse cannot be used with --inplace\n");
1348 return 0;
1349 }
1350
a015788d
WD
1351 if (append_mode) {
1352 if (whole_file > 0) {
1353 snprintf(err_buf, sizeof err_buf,
1354 "--append cannot be used with --whole-file\n");
1355 return 0;
1356 }
1357 if (refused_inplace) {
1358 create_refuse_error(refused_inplace);
1359 return 0;
1360 }
1361 inplace = 1;
1362 }
1363
f06e7082 1364 if (delay_updates && !partial_dir)
77860bac 1365 partial_dir = tmp_partialdir;
f06e7082 1366
a3221d2a 1367 if (inplace) {
4f5b0756 1368#ifdef HAVE_FTRUNCATE
a7260c40
WD
1369 if (partial_dir) {
1370 snprintf(err_buf, sizeof err_buf,
a015788d
WD
1371 "--%s cannot be used with --%s\n",
1372 append_mode ? "append" : "inplace",
f06e7082 1373 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD
1374 return 0;
1375 }
3671987f
WD
1376 /* --inplace implies --partial for refusal purposes, but we
1377 * clear the keep_partial flag for internal logic purposes. */
1378 if (refused_partial) {
1379 create_refuse_error(refused_partial);
1380 return 0;
1381 }
a3221d2a 1382 keep_partial = 0;
ded4daf0
WD
1383#else
1384 snprintf(err_buf, sizeof err_buf,
a015788d
WD
1385 "--%s is not supported on this %s\n",
1386 append_mode ? "append" : "inplace",
ded4daf0
WD
1387 am_server ? "server" : "client");
1388 return 0;
1389#endif
075aa18f 1390 } else {
bc880cb8 1391 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD
1392 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1393 partial_dir = strdup(arg);
1394 }
075aa18f 1395 if (partial_dir) {
3671987f
WD
1396 if (*partial_dir)
1397 clean_fname(partial_dir, 1);
075aa18f
WD
1398 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1399 partial_dir = NULL;
7eaabd8f 1400 else if (*partial_dir != '/') {
3a5e9224 1401 parse_rule(&filter_list, partial_dir,
0a68f869 1402 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0);
13791b1e 1403 }
3671987f
WD
1404 if (!partial_dir && refused_partial) {
1405 create_refuse_error(refused_partial);
1406 return 0;
1407 }
075aa18f
WD
1408 keep_partial = 1;
1409 }
a3221d2a
WD
1410 }
1411
ea5164d1 1412 if (files_from) {
305666bf
WD
1413 char *h, *p;
1414 int q;
c3ea0990 1415 if (*argc > 2 || (!am_daemon && *argc == 1)) {
ea5164d1
WD
1416 usage(FERROR);
1417 exit_cleanup(RERR_SYNTAX);
1418 }
63596e1c 1419 if (strcmp(files_from, "-") == 0) {
ea5164d1 1420 filesfrom_fd = 0;
63596e1c 1421 if (am_server)
305666bf
WD
1422 filesfrom_host = ""; /* reading from socket */
1423 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 1424 if (am_server) {
305666bf
WD
1425 snprintf(err_buf, sizeof err_buf,
1426 "The --files-from sent to the server cannot specify a host.\n");
1427 return 0;
ea5164d1 1428 }
305666bf
WD
1429 files_from = p;
1430 filesfrom_host = h;
1431 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD
1432 snprintf(err_buf, sizeof err_buf,
1433 "Invalid --files-from remote filename\n");
1434 return 0;
ea5164d1
WD
1435 }
1436 } else {
305666bf 1437 if (sanitize_paths)
91f4b31f 1438 files_from = sanitize_path(NULL, files_from, NULL, 0, NULL);
305666bf
WD
1439 if (server_filter_list.head) {
1440 if (!*files_from)
1441 goto options_rejected;
1442 clean_fname(files_from, 1);
1443 if (check_filter(&server_filter_list, files_from, 0) < 0)
1444 goto options_rejected;
1445 }
ea5164d1
WD
1446 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1447 if (filesfrom_fd < 0) {
c3ea0990
WD
1448 snprintf(err_buf, sizeof err_buf,
1449 "failed to open files-from file %s: %s\n",
1450 files_from, strerror(errno));
1451 return 0;
ea5164d1
WD
1452 }
1453 }
1454 }
1455
7f2a1f65
WD
1456 am_starting_up = 0;
1457
b11ed3b1 1458 return 1;
7a6421fa
AT
1459}
1460
1461
dafe63ca
MP
1462/**
1463 * Construct a filtered list of options to pass through from the
1464 * client to the server.
1465 *
1466 * This involves setting options that will tell the server how to
1467 * behave, and also filtering out options that are processed only
1468 * locally.
1469 **/
7a6421fa
AT
1470void server_options(char **args,int *argc)
1471{
74ba98a5 1472 static char argstr[64];
d853783f 1473 int ac = *argc;
f98c60bf 1474 char *arg;
ef5d23eb 1475
d853783f
AT
1476 int i, x;
1477
93689aa5
DD
1478 if (blocking_io == -1)
1479 blocking_io = 0;
1480
def97ff9 1481 /* This should always remain first on the server's command-line. */
d853783f
AT
1482 args[ac++] = "--server";
1483
1312d9fc
WD
1484 if (daemon_over_rsh) {
1485 args[ac++] = "--daemon";
1486 *argc = ac;
1487 /* if we're passing --daemon, we're done */
1488 return;
1489 }
1490
d853783f
AT
1491 if (!am_sender)
1492 args[ac++] = "--sender";
1493
1494 x = 1;
1495 argstr[0] = '-';
f98c60bf 1496 for (i = 0; i < verbose; i++)
d853783f 1497 argstr[x++] = 'v';
f0b36a48 1498
b86f0cef 1499 /* the -q option is intentionally left out */
d853783f
AT
1500 if (make_backups)
1501 argstr[x++] = 'b';
1502 if (update_only)
1503 argstr[x++] = 'u';
2dbf36ef 1504 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT
1505 argstr[x++] = 'n';
1506 if (preserve_links)
1507 argstr[x++] = 'l';
f5a910dd 1508 if (xfer_dirs > (recurse || !delete_mode || !am_sender))
5454d22a 1509 argstr[x++] = 'd';
35bf8fa0
WD
1510 if (am_sender) {
1511 if (keep_dirlinks)
1512 argstr[x++] = 'K';
876c9936
WD
1513 if (prune_empty_dirs)
1514 argstr[x++] = 'm';
35bf8fa0
WD
1515 if (omit_dir_times == 2)
1516 argstr[x++] = 'O';
2dbf36ef
WD
1517 } else {
1518 if (copy_links)
1519 argstr[x++] = 'L';
1520 if (copy_dirlinks)
1521 argstr[x++] = 'k';
35bf8fa0 1522 }
1bfbf40b 1523
dfa32483 1524 if (whole_file > 0)
d853783f 1525 argstr[x++] = 'W';
bceec82f
MP
1526 /* We don't need to send --no-whole-file, because it's the
1527 * default for remote transfers, and in any case old versions
1528 * of rsync will not understand it. */
dfa32483 1529
d853783f
AT
1530 if (preserve_hard_links)
1531 argstr[x++] = 'H';
1532 if (preserve_uid)
1533 argstr[x++] = 'o';
1534 if (preserve_gid)
1535 argstr[x++] = 'g';
b5c6a6ae 1536 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT
1537 argstr[x++] = 'D';
1538 if (preserve_times)
1539 argstr[x++] = 't';
1540 if (preserve_perms)
1541 argstr[x++] = 'p';
344f9ba7
WD
1542 else if (preserve_executability && am_sender)
1543 argstr[x++] = 'E';
aa7a6e87 1544 if (recurse)
d853783f
AT
1545 argstr[x++] = 'r';
1546 if (always_checksum)
1547 argstr[x++] = 'c';
1548 if (cvs_exclude)
1549 argstr[x++] = 'C';
1550 if (ignore_times)
1551 argstr[x++] = 'I';
1552 if (relative_paths)
1553 argstr[x++] = 'R';
243c995f 1554 if (one_file_system) {
d853783f 1555 argstr[x++] = 'x';
243c995f
WD
1556 if (one_file_system > 1)
1557 argstr[x++] = 'x';
1558 }
d853783f
AT
1559 if (sparse_files)
1560 argstr[x++] = 'S';
1561 if (do_compression)
1562 argstr[x++] = 'z';
f0b36a48 1563
51d48398
WD
1564 /* This is a complete hack - blame Rusty. FIXME!
1565 * This hack is only needed for older rsync versions that
1566 * don't understand the --list-only option. */
da2a6c1f 1567 if (list_only == 1 && !recurse)
f0b36a48
AT
1568 argstr[x++] = 'r';
1569
f5a910dd 1570 argstr[x] = '\0';
d853783f 1571
f98c60bf
WD
1572 if (x != 1)
1573 args[ac++] = argstr;
d853783f 1574
51d48398
WD
1575 if (list_only > 1)
1576 args[ac++] = "--list-only";
1577
f5a910dd
WD
1578 /* This makes sure that the remote rsync can handle deleting with -d
1579 * sans -r because the --no-r option was added at the same time. */
1580 if (xfer_dirs && !recurse && delete_mode && am_sender)
1581 args[ac++] = "--no-r";
1582
854a1aad
WD
1583 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
1584 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
1585 goto oom;
1586 args[ac++] = arg;
1587 }
1588
b5c6a6ae
WD
1589 if (preserve_devices) {
1590 /* Note: sending "--devices" would not be backward-compatible. */
1591 if (!preserve_specials)
1592 args[ac++] = "--no-specials"; /* -D is already set. */
1593 } else if (preserve_specials)
1594 args[ac++] = "--specials";
1595
5c5e1598
WD
1596 /* The server side doesn't use our log-format, but in certain
1597 * circumstances they need to know a little about the option. */
b3e4e7ef
WD
1598 if (stdout_format && am_sender) {
1599 /* Use --log-format, not --out-format, for compatibility. */
1600 if (stdout_format_has_i > 1)
487094a0 1601 args[ac++] = "--log-format=%i%I";
b3e4e7ef 1602 else if (stdout_format_has_i)
684d7582 1603 args[ac++] = "--log-format=%i";
b3e4e7ef 1604 else if (stdout_format_has_o_or_i)
5c5e1598
WD
1605 args[ac++] = "--log-format=%o";
1606 else if (!verbose)
1607 args[ac++] = "--log-format=X";
1608 }
1f30a674 1609
195bd906 1610 if (block_size) {
a06b419d 1611 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD
1612 goto oom;
1613 args[ac++] = arg;
dfa32483 1614 }
d853783f 1615
0b73ca12 1616 if (max_delete && am_sender) {
f98c60bf
WD
1617 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1618 goto oom;
1619 args[ac++] = arg;
dfa32483
WD
1620 }
1621
74de13d1
WD
1622 if (min_size && am_sender) {
1623 args[ac++] = "--min-size";
1624 args[ac++] = min_size_arg;
1625 }
1626
7d5acf1d
WD
1627 if (max_size && am_sender) {
1628 args[ac++] = "--max-size";
1629 args[ac++] = max_size_arg;
1630 }
1631
d853783f 1632 if (io_timeout) {
f98c60bf
WD
1633 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1634 goto oom;
1635 args[ac++] = arg;
dfa32483 1636 }
d853783f 1637
ef5d23eb 1638 if (bwlimit) {
f98c60bf
WD
1639 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1640 goto oom;
1641 args[ac++] = arg;
ef5d23eb
DD
1642 }
1643
d175d7e1
WD
1644 if (backup_dir) {
1645 args[ac++] = "--backup-dir";
1646 args[ac++] = backup_dir;
1647 }
1648
1649 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 1650 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 1651 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD
1652 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1653 goto oom;
1654 args[ac++] = arg;
d853783f
AT
1655 }
1656
06a50542
WD
1657 if (am_sender) {
1658 if (delete_excluded)
1659 args[ac++] = "--delete-excluded";
c6eb7fad 1660 else if (delete_before == 1 || delete_after)
06a50542 1661 args[ac++] = "--delete";
57f74bd1 1662 if (delete_before > 1)
c6eb7fad 1663 args[ac++] = "--delete-before";
3359acb8
WD
1664 if (delete_during)
1665 args[ac++] = "--delete-during";
06a50542
WD
1666 if (delete_after)
1667 args[ac++] = "--delete-after";
06a50542
WD
1668 if (force_delete)
1669 args[ac++] = "--force";
11e758a4
WD
1670 if (write_batch < 0)
1671 args[ac++] = "--only-write-batch=X";
def97ff9
WD
1672 if (am_root > 1)
1673 args[ac++] = "--super";
f17e769e
WD
1674 if (size_only)
1675 args[ac++] = "--size-only";
06a50542 1676 }
b33b791e 1677
5b56cc19 1678 if (modify_window_set) {
f98c60bf
WD
1679 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1680 goto oom;
1681 args[ac++] = arg;
5b56cc19
AT
1682 }
1683
c8d895de 1684 if (checksum_seed) {
221ddb94 1685 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD
1686 goto oom;
1687 args[ac++] = arg;
1688 }
1689
a7260c40 1690 if (partial_dir && am_sender) {
77860bac 1691 if (partial_dir != tmp_partialdir) {
3671987f
WD
1692 args[ac++] = "--partial-dir";
1693 args[ac++] = partial_dir;
1694 }
f06e7082
WD
1695 if (delay_updates)
1696 args[ac++] = "--delay-updates";
77860bac 1697 } else if (keep_partial && am_sender)
d853783f
AT
1698 args[ac++] = "--partial";
1699
ef55c686
AT
1700 if (ignore_errors)
1701 args[ac++] = "--ignore-errors";
1702
b5313607
DD
1703 if (copy_unsafe_links)
1704 args[ac++] = "--copy-unsafe-links";
1705
d853783f
AT
1706 if (safe_symlinks)
1707 args[ac++] = "--safe-links";
1708
1709 if (numeric_ids)
1710 args[ac++] = "--numeric-ids";
1711
e90aab49 1712 if (ignore_existing && am_sender)
3d6feada
MP
1713 args[ac++] = "--ignore-existing";
1714
e90aab49
WD
1715 /* Backward compatibility: send --existing, not --ignore-non-existing. */
1716 if (ignore_non_existing && am_sender)
1717 args[ac++] = "--existing";
1718
a015788d
WD
1719 if (append_mode)
1720 args[ac++] = "--append";
1721 else if (inplace)
a3221d2a
WD
1722 args[ac++] = "--inplace";
1723
120cde95 1724 if (tmpdir && am_sender) {
d853783f
AT
1725 args[ac++] = "--temp-dir";
1726 args[ac++] = tmpdir;
1727 }
1728
e012f858 1729 if (basis_dir[0] && am_sender) {
375a4556
DD
1730 /* the server only needs this option if it is not the sender,
1731 * and it may be an older version that doesn't know this
1732 * option, so don't send it if client is the sender.
1733 */
e012f858
WD
1734 int i;
1735 for (i = 0; i < basis_dir_cnt; i++) {
1736 args[ac++] = dest_option;
1737 args[ac++] = basis_dir[i];
1738 }
375a4556
DD
1739 }
1740
305666bf
WD
1741 if (files_from && (!am_sender || filesfrom_host)) {
1742 if (filesfrom_host) {
ea5164d1 1743 args[ac++] = "--files-from";
305666bf 1744 args[ac++] = files_from;
ea5164d1
WD
1745 if (eol_nulls)
1746 args[ac++] = "--from0";
1747 } else {
1748 args[ac++] = "--files-from=-";
1749 args[ac++] = "--from0";
1750 }
c0ab28d1
WD
1751 if (!relative_paths)
1752 args[ac++] = "--no-relative";
ea5164d1 1753 }
89f2a4c2 1754 if (relative_paths && !implied_dirs && !am_sender)
3a90ea0a 1755 args[ac++] = "--no-implied-dirs";
ea5164d1 1756
c4ed1487
WD
1757 if (fuzzy_basis && am_sender)
1758 args[ac++] = "--fuzzy";
1759
47c11975
WD
1760 if (remove_source_files == 1)
1761 args[ac++] = "--remove-source-files";
1762 else if (remove_source_files)
07c6ae7d
WD
1763 args[ac++] = "--remove-sent-files";
1764
d853783f 1765 *argc = ac;
f98c60bf
WD
1766 return;
1767
1768 oom:
1769 out_of_memory("server_options");
7a6421fa
AT
1770}
1771
305666bf
WD
1772/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
1773 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
1774 * memory with the HOST. If a daemon-accessing spec was specified, the value
1775 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
1776 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
1777 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
1778 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
1779char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 1780{
305666bf
WD
1781 char *p;
1782 int not_host;
1783
1784 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
1785 char *path;
1786 int hostlen;
1787 s += strlen(URL_PREFIX);
1788 if ((p = strchr(s, '/')) != NULL) {
1789 hostlen = p - s;
1790 path = p + 1;
1791 } else {
1792 hostlen = strlen(s);
1793 path = "";
1794 }
1795 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
1796 s++;
1797 hostlen = p - s;
c60b7056
WD
1798 if (p[1] == ':')
1799 *port_ptr = atoi(p+2);
305666bf
WD
1800 } else {
1801 if ((p = strchr(s, ':')) != NULL) {
1802 hostlen = p - s;
1803 *port_ptr = atoi(p+1);
c60b7056 1804 }
305666bf 1805 }
c60b7056
WD
1806 if (!*port_ptr)
1807 *port_ptr = RSYNC_PORT;
305666bf
WD
1808 *host_ptr = new_array(char, hostlen + 1);
1809 strlcpy(*host_ptr, s, hostlen + 1);
1810 return path;
1811 }
ea5164d1 1812
305666bf 1813 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
305666bf
WD
1814 *p = '\0';
1815 not_host = strchr(s, '/') || !strchr(s, ':');
1816 *p = ']';
1817 if (not_host)
1818 return NULL;
c60b7056 1819 p++;
305666bf
WD
1820 } else {
1821 if (!(p = strchr(s, ':')))
1822 return NULL;
1823 *p = '\0';
1824 not_host = strchr(s, '/') != NULL;
1825 *p = ':';
1826 if (not_host)
1827 return NULL;
1828 }
1829
1830 *host_ptr = new_array(char, p - s + 1);
1831 strlcpy(*host_ptr, s, p - s + 1);
ea5164d1 1832
305666bf
WD
1833 if (p[1] == ':') {
1834 if (port_ptr && !*port_ptr)
1835 *port_ptr = RSYNC_PORT;
1836 return p + 2;
1837 }
1838 if (port_ptr)
1839 *port_ptr = 0;
ea5164d1 1840
305666bf 1841 return p + 1;
ea5164d1 1842}