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Made --list-only output missing args as a "*missing" line.
[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>
b3bf9b9d 6 * Copyright (C) 2002-2009 Wayne Davison
dfa32483 7 *
dafe63ca 8 * This program is free software; you can redistribute it and/or modify
8e41b68e
WD		 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
dfa32483 12 *
dafe63ca
MP		 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
dfa32483 17 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
dafe63ca 20 */
7a6421fa 21
7a6421fa 22#include "rsync.h"
5dd14f0c 23#include "itypes.h"
35bf8fa0 24#include <popt.h>
854a1aad 25#include "zlib/zlib.h"
7a6421fa 26
7bc90b30 27extern int module_id;
53936ef9 28extern int local_server;
7be73df4 29extern int sanitize_paths;
e208631a 30extern int daemon_over_rsh;
a1018691 31extern unsigned int module_dirlen;
7842418b 32extern struct filter_list_struct filter_list;
819bfe45 33extern struct filter_list_struct daemon_filter_list;
8645af1d 34
7a6421fa 35int make_backups = 0;
1bfbf40b
MP		 36
37/**
dfa32483 38 * If 1, send the whole file as literal data rather than trying to
dafe63ca 39 * create an incremental diff.
1bfbf40b 40 *
dfa32483 41 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 42 *
43 * @sa disable_deltas_p()
1bfbf40b 44 **/
dfa32483 45int whole_file = -1;
1bfbf40b 46
a015788d 47int append_mode = 0;
716e73d4 48int keep_dirlinks = 0;
2dbf36ef 49int copy_dirlinks = 0;
7a6421fa
AT		 50int copy_links = 0;
51int preserve_links = 0;
52int preserve_hard_links = 0;
1c3344a1 53int preserve_acls = 0;
16edf865 54int preserve_xattrs = 0;
7a6421fa 55int preserve_perms = 0;
344f9ba7 56int preserve_executability = 0;
7a6421fa 57int preserve_devices = 0;
b5c6a6ae 58int preserve_specials = 0;
7a6421fa
AT		 59int preserve_uid = 0;
60int preserve_gid = 0;
61int preserve_times = 0;
62int update_only = 0;
63int cvs_exclude = 0;
a5c11139 64int dry_run = 0;
11e758a4 65int do_xfers = 1;
a5c11139
WD		 66int ignore_times = 0;
67int delete_mode = 0;
a51b3168 68int delete_during = 0;
51d48398
WD		 69int delete_before = 0;
70int delete_after = 0;
a5c11139 71int delete_excluded = 0;
ce66f417 72int delete_missing_args = 0;
47c11975 73int remove_source_files = 0;
a5c11139 74int one_file_system = 0;
4f3e9a0f 75int protocol_version = PROTOCOL_VERSION;
a5c11139
WD		 76int sparse_files = 0;
77int do_compression = 0;
854a1aad 78int def_compress_level = Z_DEFAULT_COMPRESSION;
9439c0cb 79int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 80int am_server = 0;
81int am_sender = 0;
7f2a1f65 82int am_starting_up = 1;
ea5164d1
WD		 83int relative_paths = -1;
84int implied_dirs = 1;
7a6421fa 85int numeric_ids = 0;
eabc85ef 86int msgs2stderr = 0;
5974c662 87int allow_8bit_chars = 0;
7a6421fa
AT		 88int force_delete = 0;
89int io_timeout = 0;
876c9936 90int prune_empty_dirs = 0;
8487f9cf 91int use_qsort = 0;
ea5164d1
WD		 92char *files_from = NULL;
93int filesfrom_fd = -1;
305666bf 94char *filesfrom_host = NULL;
ea5164d1 95int eol_nulls = 0;
7a4addaa 96int protect_args = 0;
adc2476f 97int human_readable = 1;
7a6421fa 98int recurse = 0;
5275029d 99int allow_inc_recurse = 1;
b6164938 100int xfer_dirs = -1;
1312d9fc 101int am_daemon = 0;
ba22c9e2 102int connect_timeout = 0;
a5c11139
WD		 103int keep_partial = 0;
104int safe_symlinks = 0;
105int copy_unsafe_links = 0;
41adbcec 106int munge_symlinks = 0;
a5c11139 107int size_only = 0;
9fb08441 108int daemon_bwlimit = 0;
a5c11139 109int bwlimit = 0;
c4ed1487 110int fuzzy_basis = 0;
3c74c3a3 111size_t bwlimit_writemax = 0;
e90aab49
WD		 112int ignore_existing = 0;
113int ignore_non_existing = 0;
07c6ae7d 114int need_messages_from_generator = 0;
7b9598b2 115int max_delete = INT_MIN;
7d5acf1d 116OFF_T max_size = 0;
74de13d1 117OFF_T min_size = 0;
a5c11139
WD		 118int ignore_errors = 0;
119int modify_window = 0;
120int blocking_io = -1;
2289bf64 121int checksum_seed = 0;
a3221d2a 122int inplace = 0;
f06e7082 123int delay_updates = 0;
a06b419d 124long block_size = 0; /* "long" because popt can't set an int32. */
adc2476f 125char number_separator;
b1e436ec 126char *skip_compress = NULL;
2206abf8 127item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 128
13e29995 129/** Network address family. **/
24d677fc 130int default_af_hint
4f5b0756 131#ifdef INET6
24d677fc 132 = 0; /* Any protocol */
6ab6d4bf 133#else
24d677fc
WD		 134 = AF_INET; /* Must use IPv4 */
135# ifdef AF_INET6
136# undef AF_INET6
137# endif
138# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 139#endif
06963d0f 140
13e29995
MP		 141/** Do not go into the background when run as --daemon. Good
142 * for debugging and required for running as a service on W32,
143 * or under Unix process-monitors. **/
1f35babc
WD		 144int no_detach
145#if defined _WIN32 || defined __WIN32__
146 = 1;
147#else
148 = 0;
149#endif
13e29995 150
088aac85
DD		 151int write_batch = 0;
152int read_batch = 0;
d175d7e1
WD		 153int backup_dir_len = 0;
154int backup_suffix_len;
e0391f81 155unsigned int backup_dir_remainder;
6902ed17 156
d175d7e1 157char *backup_suffix = NULL;
7a6421fa 158char *tmpdir = NULL;
a7260c40 159char *partial_dir = NULL;
e012f858 160char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 161char *config_file = NULL;
7a6421fa 162char *shell_cmd = NULL;
87c0f9d6
WD		 163char *logfile_name = NULL;
164char *logfile_format = NULL;
b3e4e7ef 165char *stdout_format = NULL;
65575e96 166char *password_file = NULL;
41bd28fe 167char *rsync_path = RSYNC_PATH;
66203a98 168char *backup_dir = NULL;
e0391f81 169char backup_dir_buf[MAXPATHLEN];
831f06a5 170char *sockopts = NULL;
2df20057
WD		 171char *usermap = NULL;
172char *groupmap = NULL;
0c56b1ad 173int rsync_port = 0;
dfd7d541 174int compare_dest = 0;
1de3e99b 175int copy_dest = 0;
59c95e42 176int link_dest = 0;
ce0b384f 177int basis_dir_cnt = 0;
f9a9f547 178char *dest_option = NULL;
7a6421fa 179
7a2eca41
WD		 180static int remote_option_alloc = 0;
181int remote_option_cnt = 0;
182const char **remote_options = NULL;
183
b86f0cef 184int quiet = 0;
dc1f7b9e 185int output_motd = 1;
e7651884 186int log_before_transfer = 0;
b3e4e7ef
WD		 187int stdout_format_has_i = 0;
188int stdout_format_has_o_or_i = 0;
87c0f9d6 189int logfile_format_has_i = 0;
87c0f9d6 190int logfile_format_has_o_or_i = 0;
7a6421fa 191int always_checksum = 0;
f7632fc6 192int list_only = 0;
7a6421fa 193
9b3318b0
WD		 194#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
195char *batch_name = NULL;
6902ed17 196
332cf6df 197int need_unsorted_flist = 0;
f7a76b9c 198#ifdef ICONV_OPTION
332cf6df
WD		 199char *iconv_opt = ICONV_OPTION;
200#endif
201
dd32e2c3
WD		 202struct chmod_mode_struct *chmod_modes = NULL;
203
d239efa3 204static const char *debug_verbosity[] = {
951e826b
WD		 205 /*0*/ NULL,
206 /*1*/ NULL,
c9f540f3 207 /*2*/ "bind,cmd,connect,del,deltasum,dup,filter,flist,iconv",
5a18b34d 208 /*3*/ "acl,backup,deltasum2,del2,exit,filter2,flist2,fuzzy,genr,own,recv,send,time",
c9f540f3 209 /*4*/ "cmd2,deltasum3,del3,exit2,flist3,iconv2,own2,proto,time2",
b3347e2a 210 /*5*/ "chdir,deltasum4,flist4,fuzzy2,hash,hlink",
951e826b
WD		 211};
212
213#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
214
d239efa3 215static const char *info_verbosity[1+MAX_VERBOSITY] = {
951e826b
WD		 216 /*0*/ NULL,
217 /*1*/ "copy,del,flist,misc,name,stats,symsafe",
c9f540f3 218 /*2*/ "backup,mount,name2,remove,skip",
951e826b
WD		 219};
220
221#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
222
223short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
224
225#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
226#define HELP_PRIORITY 1 /* The help output uses this level. */
227#define USER_PRIORITY 2 /* User-specified via --info or --debug */
228#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
229
230#define W_CLI (1<<0) /* client side */
231#define W_SRV (1<<1) /* server side */
232#define W_SND (1<<2) /* sending side */
233#define W_REC (1<<3) /* receiving side */
234
235struct output_struct {
236 char *name; /* The name of the info/debug flag. */
237 char *help; /* The description of the info/debug flag. */
d239efa3
WD		 238 uchar namelen; /* The length of the name string. */
239 uchar flag; /* The flag's value, for consistency check. */
240 uchar where; /* Bits indicating where the flag is used. */
241 uchar priority; /* See *_PRIORITY defines. */
951e826b
WD		 242};
243
d239efa3 244#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 245
75d96978 246static struct output_struct info_words[COUNT_INFO+1] = {
951e826b
WD		 247 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
248 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
249 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
250 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
c9f540f3 251 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information"),
951e826b
WD		 252 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
253 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
254 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
255 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
256 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
257 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
258 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 259 { NULL, "--info", 0, 0, 0, 0 }
951e826b
WD		 260};
261
d239efa3 262#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 263
75d96978 264static struct output_struct debug_words[COUNT_DEBUG+1] = {
951e826b
WD		 265 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
266 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
267 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
268 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
269 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events"),
951e826b
WD		 270 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
271 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 272 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b
WD		 273 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
274 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-2)"),
275 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
276 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
277 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
278 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 279 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
951e826b 280 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions"),
c9f540f3 281 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
951e826b
WD		 282 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
283 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
284 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
285 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
286 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 287 { NULL, "--debug", 0, 0, 0, 0 }
951e826b
WD		 288};
289
290static int verbose = 0;
291static int do_stats = 0;
292static int do_progress = 0;
e1add893 293static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 294static int omit_dir_times = 0;
aa4d3b4c 295static int F_option_cnt = 0;
5b56cc19 296static int modify_window_set;
624d6be2 297static int itemize_changes = 0;
854a1aad 298static int refused_delete, refused_archive_part, refused_compress;
3296f91b 299static int refused_partial, refused_progress, refused_delete_before;
e0e32031 300static int refused_delete_during;
0b52f94d 301static int refused_inplace, refused_no_iconv;
2df20057 302static BOOL usermap_via_chown, groupmap_via_chown;
74de13d1 303static char *max_size_arg, *min_size_arg;
77860bac 304static char tmp_partialdir[] = ".~tmp~";
5b56cc19 305
06963d0f 306/** Local address to bind. As a character string because it's
fdf57ede 307 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 308 * address, or a hostname. **/
309char *bind_address;
5c9730a4 310
951e826b
WD		 311static void output_item_help(struct output_struct *words);
312
313/* This constructs a string that represents all the options set for either
314 * the --info or --debug setting, skipping any implied options (by -v, etc.).
315 * This is used both when conveying the user's options to the server, and
316 * when the help output wants to tell the user what options are implied. */
d239efa3 317static char *make_output_option(struct output_struct *words, short *levels, uchar where)
951e826b
WD		 318{
319 char *str = words == info_words ? "--info=" : "--debug=";
320 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
321 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
322 char *buf;
323
324 memset(counts, 0, sizeof counts);
325
326 for (j = 0; words[j].name; j++) {
327 if (words[j].flag != j) {
328 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
329 words == info_words ? "INFO_" : "DEBUG_",
330 words[j].name, words[j].flag, j);
331 exit_cleanup(RERR_UNSUPPORTED);
332 }
333 if (!(words[j].where & where))
334 continue;
335 if (words[j].priority == DEFAULT_PRIORITY) {
336 /* Implied items don't need to be mentioned. */
337 skipped++;
338 continue;
339 }
340 len += len ? 1 : strlen(str);
341 len += strlen(words[j].name);
342 len += levels[j] == 1 ? 0 : 1;
343
344 if (words[j].priority == HELP_PRIORITY)
345 continue; /* no abbreviating for help */
346
347 assert(levels[j] <= MAX_OUT_LEVEL);
348 if (++counts[levels[j]] > max) {
349 /* Determine which level has the most items. */
350 lev = levels[j];
351 max = counts[lev];
352 }
353 }
354
355 /* Sanity check the COUNT_* define against the length of the table. */
356 if (j != word_count) {
357 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
358 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
359 j, word_count);
360 exit_cleanup(RERR_UNSUPPORTED);
361 }
362
363 if (!len)
364 return NULL;
365
366 len++;
367 if (!(buf = new_array(char, len)))
368 out_of_memory("make_output_option");
369 pos = 0;
370
371 if (skipped || max < 5)
372 lev = -1;
373 else {
374 if (lev == 0)
375 pos += snprintf(buf, len, "%sNONE", str);
376 else if (lev == 1)
377 pos += snprintf(buf, len, "%sALL", str);
378 else
379 pos += snprintf(buf, len, "%sALL%d", str, lev);
380 }
381
382 for (j = 0; words[j].name && pos < len; j++) {
383 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
384 continue;
385 if (pos)
386 buf[pos++] = ',';
387 else
388 pos += strlcpy(buf+pos, str, len-pos);
389 if (pos < len)
390 pos += strlcpy(buf+pos, words[j].name, len-pos);
391 /* Level 1 is implied by the name alone. */
392 if (levels[j] != 1 && pos < len)
393 buf[pos++] = '0' + levels[j];
394 }
395
396 buf[pos] = '\0';
397
398 return buf;
399}
400
401static void parse_output_words(struct output_struct *words, short *levels,
d239efa3 402 const char *str, uchar priority)
951e826b
WD		 403{
404 const char *s;
405 int j, len, lev;
406
407 if (!str)
408 return;
409
410 while (*str) {
411 if ((s = strchr(str, ',')) != NULL)
412 len = s++ - str;
413 else
414 len = strlen(str);
415 while (len && isDigit(str+len-1))
416 len--;
417 lev = isDigit(str+len) ? atoi(str+len) : 1;
418 if (lev > MAX_OUT_LEVEL)
419 lev = MAX_OUT_LEVEL;
420 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
421 output_item_help(words);
422 exit_cleanup(0);
423 }
424 if (len == 4 && strncasecmp(str, "none", 4) == 0)
425 len = lev = 0;
426 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
427 len = 0;
428 for (j = 0; words[j].name; j++) {
429 if (!len
d239efa3 430 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
951e826b
WD		 431 if (priority >= words[j].priority) {
432 words[j].priority = priority;
433 levels[j] = lev;
434 }
435 if (len)
436 break;
437 }
438 }
439 if (len && !words[j].name) {
75d96978
WD		 440 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
441 words[j].help, len, str);
951e826b
WD		 442 exit_cleanup(RERR_SYNTAX);
443 }
444 if (!s)
445 break;
446 str = s;
447 }
448}
449
450/* Tell the user what all the info or debug flags mean. */
451static void output_item_help(struct output_struct *words)
452{
453 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 454 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD		 455 char buf[128], *opt, *fmt = "%-10s %s\n";
456 int j;
457
75d96978
WD		 458 reset_output_levels();
459
951e826b
WD		 460 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
461 rprintf(FINFO, "\n");
462 for (j = 0; words[j].name; j++)
463 rprintf(FINFO, fmt, words[j].name, words[j].help);
464 rprintf(FINFO, "\n");
465
466 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
467 words[j].help, MAX_OUT_LEVEL);
468 rprintf(FINFO, fmt, "ALL", buf);
469
470 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
471 words[j].help);
472 rprintf(FINFO, fmt, "NONE", buf);
473
474 rprintf(FINFO, fmt, "HELP", "Output this help message");
475 rprintf(FINFO, "\n");
476 rprintf(FINFO, "Options added for each increase in verbose level:\n");
477
478 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 479 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD		 480 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
481 if (opt) {
482 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
483 free(opt);
484 }
75d96978 485 reset_output_levels();
951e826b 486 }
951e826b
WD		 487}
488
489/* The --verbose option now sets info+debug flags. */
d239efa3 490static void set_output_verbosity(int level, uchar priority)
951e826b
WD		 491{
492 int j;
493
494 if (level > MAX_VERBOSITY)
495 level = MAX_VERBOSITY;
496
497 for (j = 1; j <= level; j++) {
498 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
499 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
500 }
501}
502
503/* Limit the info+debug flag levels given a verbose-option level limit. */
504void limit_output_verbosity(int level)
505{
506 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
507 int j;
508
509 if (level > MAX_VERBOSITY)
510 return;
511
512 memset(info_limits, 0, sizeof info_limits);
513 memset(debug_limits, 0, sizeof debug_limits);
514
515 /* Compute the level limits in the above arrays. */
516 for (j = 1; j <= level; j++) {
517 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
518 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
519 }
520
521 for (j = 0; j < COUNT_INFO; j++) {
522 if (info_levels[j] > info_limits[j])
523 info_levels[j] = info_limits[j];
524 }
525
526 for (j = 0; j < COUNT_DEBUG; j++) {
527 if (debug_levels[j] > debug_limits[j])
528 debug_levels[j] = debug_limits[j];
529 }
530}
531
532void reset_output_levels(void)
533{
534 int j;
535
536 memset(info_levels, 0, sizeof info_levels);
537 memset(debug_levels, 0, sizeof debug_levels);
538
539 for (j = 0; j < COUNT_INFO; j++)
540 info_words[j].priority = DEFAULT_PRIORITY;
541
542 for (j = 0; j < COUNT_DEBUG; j++)
543 debug_words[j].priority = DEFAULT_PRIORITY;
544}
545
546void negate_output_levels(void)
547{
548 int j;
549
550 for (j = 0; j < COUNT_INFO; j++)
551 info_levels[j] *= -1;
552
553 for (j = 0; j < COUNT_DEBUG; j++)
554 debug_levels[j] *= -1;
555}
7a24c346 556
27a12348 557static void print_rsync_version(enum logcode f)
7a24c346 558{
2ed790f3 559 char *subprotocol = "";
dfa32483 560 char const *got_socketpair = "no ";
a3221d2a 561 char const *have_inplace = "no ";
dfa32483 562 char const *hardlinks = "no ";
1ed56a05 563 char const *symtimes = "no ";
1c3344a1 564 char const *acls = "no ";
16edf865 565 char const *xattrs = "no ";
dfa32483 566 char const *links = "no ";
332cf6df 567 char const *iconv = "no ";
a358449a 568 char const *ipv6 = "no ";
736a6a29 569 STRUCT_STAT *dumstat;
0c80cd8e 570
2ed790f3 571#if SUBPROTOCOL_VERSION != 0
94112924
WD		 572 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
573 out_of_memory("print_rsync_version");
2ed790f3 574#endif
4f5b0756 575#ifdef HAVE_SOCKETPAIR
dfa32483 576 got_socketpair = "";
0c80cd8e 577#endif
4f5b0756 578#ifdef HAVE_FTRUNCATE
a3221d2a
WD		 579 have_inplace = "";
580#endif
4f5b0756 581#ifdef SUPPORT_HARD_LINKS
dfa32483 582 hardlinks = "";
2855f61f 583#endif
1c3344a1
WD		 584#ifdef SUPPORT_ACLS
585 acls = "";
586#endif
16edf865
WD		 587#ifdef SUPPORT_XATTRS
588 xattrs = "";
589#endif
4f5b0756 590#ifdef SUPPORT_LINKS
dfa32483 591 links = "";
2855f61f 592#endif
4f5b0756 593#ifdef INET6
a358449a 594 ipv6 = "";
dfa32483 595#endif
332cf6df
WD		 596#ifdef ICONV_OPTION
597 iconv = "";
598#endif
1ed56a05
WD		 599#if defined HAVE_LUTIMES && defined HAVE_UTIMES
600 symtimes = "";
601#endif
a358449a 602
719522b9 603 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 604 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
b3bf9b9d 605 rprintf(f, "Copyright (C) 1996-2009 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD		 606 rprintf(f, "Web site: http://rsync.samba.org/\n");
607 rprintf(f, "Capabilities:\n");
608 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD		 609 (int)(sizeof (OFF_T) * 8),
610 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 611 (int)(sizeof (time_t) * 8),
d619ff13
WD		 612 (int)(sizeof (int64) * 8));
613 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
614 got_socketpair, hardlinks, links, ipv6, have_inplace);
1ed56a05
WD		 615 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
616 have_inplace, acls, xattrs, iconv, symtimes);
2855f61f 617
fc0302cf 618#ifdef MAINTAINER_MODE
29433538 619 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 620#endif
736a6a29 621
031fa9ad
WD		 622#if SIZEOF_INT64 < 8
623 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 624#endif
c561edaa
WD		 625 if (sizeof (int64) != SIZEOF_INT64) {
626 rprintf(f,
627 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
628 (int) SIZEOF_INT64, (int) sizeof (int64));
629 }
7b329a2d 630
b64ee91a
WD		 631 rprintf(f,"\n");
632 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD		 633 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
634 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP		 635}
636
637
0f3203c3 638void usage(enum logcode F)
7a6421fa 639{
2855f61f 640 print_rsync_version(F);
704f908e 641
b64ee91a
WD		 642 rprintf(F,"\n");
643 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 644 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 645
b64ee91a
WD		 646 rprintf(F,"\n");
647 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD		 648 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
649 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
650 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 651 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 652 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 653 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD		 654 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
655 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD		 656 rprintf(F,"\n");
657 rprintf(F,"Options\n");
704f908e 658 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD		 659 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
660 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
b3708acf 661 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 662 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 663 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 664 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 665 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT		 666 rprintf(F," -r, --recursive recurse into directories\n");
667 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 668 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 669 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD		 670 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
671 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
672 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 673 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 674 rprintf(F," --append append data onto shorter files\n");
936fa865 675 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 676 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 677 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD		 678 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
679 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
680 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
41adbcec 681 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
2dbf36ef 682 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 683 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 684 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 685 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 686 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 687 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD		 688#ifdef SUPPORT_ACLS
689 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD		 690#endif
691#ifdef SUPPORT_XATTRS
3caafdfd 692 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 693#endif
def97ff9 694 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 695 rprintf(F," -g, --group preserve group\n");
def97ff9 696 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD		 697 rprintf(F," --specials preserve special files\n");
698 rprintf(F," -D same as --devices --specials\n");
42b06481
WD		 699 rprintf(F," -t, --times preserve modification times\n");
700 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
def97ff9 701 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD		 702#ifdef SUPPORT_XATTRS
703 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
704#endif
704f908e 705 rprintf(F," -S, --sparse handle sparse files efficiently\n");
d100e733 706 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 707 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
704f908e 708 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 709 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 710 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 711 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD		 712 rprintf(F," --existing skip creating new files on receiver\n");
713 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 714 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 715 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 716 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD		 717 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
718 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 719 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 720 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 721 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
ce66f417 722 rprintf(F," --delete-missing-args receiver deletes each missing source arg\n");
db2b5cb7 723 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 724 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 725 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 726 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 727 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 728 rprintf(F," --partial keep partially transferred files\n");
a7260c40 729 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 730 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 731 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 732 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
2df20057
WD		 733 rprintf(F," --usermap=STRING custom username mapping\n");
734 rprintf(F," --groupmap=STRING custom groupname mapping\n");
735 rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
ba22c9e2
WD		 736 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
737 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 738 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 739 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf
WD		 740 rprintf(F," --size-only skip files that match in size\n");
741 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 742 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 743 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 744 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 745 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 746 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 747 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 748 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 749 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 750 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 751 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 752 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 753 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 754 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 755 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 756 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD		 757 rprintf(F," --include-from=FILE read include patterns from FILE\n");
758 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 759 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 760 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
b4ef0bca 761 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 762 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 763 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 764 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 765 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 766 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 767 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 768 rprintf(F," --progress show progress during transfer\n");
b3708acf 769 rprintf(F," -P same as --partial --progress\n");
b78296cb 770 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD		 771 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
772 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
773 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 774 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 775 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD		 776 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
777 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 778 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 779 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 780 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 781#ifdef ICONV_OPTION
84e1a34e 782 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 783#endif
4db88e5b
WD		 784 rprintf(F," -4, --ipv4 prefer IPv4\n");
785 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 786 rprintf(F," --version print version number\n");
375d8f91 787 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 788
b64ee91a
WD		 789 rprintf(F,"\n");
790 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 791 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 792 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT		 793}
794
3ac7f5d4 795enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 796 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 797 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 798 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 799 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
2df20057 800 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN,
0ccffd7c 801 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 802
2855f61f
MP		 803static struct poptOption long_options[] = {
804 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 805 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 806 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 807 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 808 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 809 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD		 810 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
811 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
eabc85ef 812 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
e86e2fa1 813 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 814 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
815 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 816 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 817 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 818 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
819 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 820 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 821 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
822 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
823 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 824 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 825 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 826 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 827 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
828 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 829 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 830 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
831 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD		 832 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
833 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD		 834 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
835 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
836 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 837 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 838 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
839 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
840 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 841 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
842 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
843 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
f9998046 844 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
b6164938
WD		 845 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
846 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 847 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 848 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
849 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
38b9170c 850 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 851 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
852 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 853 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 854 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
855 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
856 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
857 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
858 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
859 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 860 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
861 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
862 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 863 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD		 864 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
865 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 866 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 867 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
868 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 869 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
870 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
871 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD		 872 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
873 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 874 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 875 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 876 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 877 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
878 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 879 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
880 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 881 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 882 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 883 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 884 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
885 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 886 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 887 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
888 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 889 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
28fb6365
WD		 890 {"no-one-file-system",'x',POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
891 {"no-x", 'x', POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 892 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 893 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 894 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 895 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 896 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 897 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD		 898 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
899 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
900 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
901 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
902 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD		 903 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
904 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
905 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 906 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 907 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 908 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 909 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
910 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 911 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
912 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
ce66f417 913 {"delete-missing-args",0,POPT_ARG_NONE, &delete_missing_args, 0, 0, 0 },
47c11975
WD		 914 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
915 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD		 916 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
917 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
918 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
919 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD		 920 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
921 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 922 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 923 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
924 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
925 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
926 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 927 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 928 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
929 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 930 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 931 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
932 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
933 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 934 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 935 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 936 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 937 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
852e763b
WD		 938 {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
939 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 940 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 941 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf
WD		 942 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
943 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 944 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
854a1aad 945 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 946 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 947 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
948 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
949 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
950 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 951 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 952 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
953 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD		 954 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
955 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
956 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 957 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 958 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
959 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
960 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 961 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 962 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
963 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
afb6e945 964 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
8487f9cf
WD		 965 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
966 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
967 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 968 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 969 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
970 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 971 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
972 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 973 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 974 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 975 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
976 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD		 977 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
978 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
979 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD		 980 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
981 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD		 982 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
983 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
984 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 985 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 986 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 987 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 988 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD		 989 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
990 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
991 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD		 992#ifdef ICONV_OPTION
993 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 994 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 995#endif
3dd22903
WD		 996 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
997 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD		 998 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
999 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1000 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 1001 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD		 1002 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1003 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1004 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD		 1005 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1006 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1007 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
7a2eca41 1008 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD		 1009 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1010 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 1011 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 1012 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1013 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 1014 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1015 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 1016 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 1017 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 1018 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 1019 {0,0,0,0, 0, 0, 0}
1020};
1021
1022static void daemon_usage(enum logcode F)
1023{
1024 print_rsync_version(F);
1025
b64ee91a
WD		 1026 rprintf(F,"\n");
1027 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1028 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 1029 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4 1030 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
2206abf8 1031 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
3ac7f5d4 1032 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1033 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1034 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1035 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1036 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1037 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD		 1038 rprintf(F," -4, --ipv4 prefer IPv4\n");
1039 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1040 rprintf(F," --help show this help screen\n");
3ac7f5d4 1041
b64ee91a
WD		 1042 rprintf(F,"\n");
1043 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD		 1044 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1045}
1046
1047static struct poptOption long_daemon_options[] = {
1048 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1049 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1050 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 1051 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1052 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 1053 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD		 1054 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1055 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1056 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1057 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1058 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1059 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1060 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1061 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 1062 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1063 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1064 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1065 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 1066 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1067 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1068 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1069 {0,0,0,0, 0, 0, 0}
2855f61f 1070};
7a6421fa 1071
06963d0f 1072
e51094b7 1073static char err_buf[200];
cd8185f2 1074
2855f61f 1075
dafe63ca
MP		 1076/**
1077 * Store the option error message, if any, so that we can log the
1078 * connection attempt (which requires parsing the options), and then
1079 * show the error later on.
1080 **/
cd8185f2
AT		 1081void option_error(void)
1082{
e51094b7 1083 if (!err_buf[0]) {
c9bce0b8
WD		 1084 strlcpy(err_buf, "Error parsing options: option may "
1085 "be supported on client but not on server?\n",
1086 sizeof err_buf);
cd8185f2 1087 }
e51094b7 1088
e51094b7 1089 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 1090 msleep(20);
cd8185f2
AT		 1091}
1092
dafe63ca
MP		 1093
1094/**
27ed20f7
WD		 1095 * Tweak the option table to disable all options that the rsyncd.conf
1096 * file has told us to refuse.
dafe63ca 1097 **/
27ed20f7 1098static void set_refuse_options(char *bp)
cd8185f2 1099{
27ed20f7 1100 struct poptOption *op;
093e816c 1101 char *cp, shortname[2];
d73e7f6e 1102 int is_wild, found_match;
093e816c
WD		 1103
1104 shortname[1] = '\0';
27ed20f7
WD		 1105
1106 while (1) {
06a50542
WD		 1107 while (*bp == ' ') bp++;
1108 if (!*bp)
1109 break;
27ed20f7
WD		 1110 if ((cp = strchr(bp, ' ')) != NULL)
1111 *cp= '\0';
093e816c 1112 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 1113 found_match = 0;
55afbb52 1114 for (op = long_options; ; op++) {
093e816c 1115 *shortname = op->shortName;
d73e7f6e
WD		 1116 if (!op->longName && !*shortname)
1117 break;
1118 if ((op->longName && wildmatch(bp, op->longName))
684d7582 1119 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD		 1120 if (op->argInfo == POPT_ARG_VAL)
1121 op->argInfo = POPT_ARG_NONE;
06a50542 1122 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 1123 found_match = 1;
3671987f
WD		 1124 /* These flags are set to let us easily check
1125 * an implied option later in the code. */
1126 switch (*shortname) {
3671987f
WD		 1127 case 'r': case 'd': case 'l': case 'p':
1128 case 't': case 'g': case 'o': case 'D':
1129 refused_archive_part = op->val;
1130 break;
854a1aad
WD		 1131 case 'z':
1132 refused_compress = op->val;
1133 break;
3671987f
WD		 1134 case '\0':
1135 if (wildmatch("delete", op->longName))
1136 refused_delete = op->val;
3296f91b
WD		 1137 else if (wildmatch("delete-before", op->longName))
1138 refused_delete_before = op->val;
e0e32031
WD		 1139 else if (wildmatch("delete-during", op->longName))
1140 refused_delete_during = op->val;
3671987f
WD		 1141 else if (wildmatch("partial", op->longName))
1142 refused_partial = op->val;
1143 else if (wildmatch("progress", op->longName))
1144 refused_progress = op->val;
a015788d
WD		 1145 else if (wildmatch("inplace", op->longName))
1146 refused_inplace = op->val;
0b52f94d
WD		 1147 else if (wildmatch("no-iconv", op->longName))
1148 refused_no_iconv = op->val;
3671987f
WD		 1149 break;
1150 }
06a50542
WD		 1151 if (!is_wild)
1152 break;
27ed20f7 1153 }
cd8185f2 1154 }
d73e7f6e
WD		 1155 if (!found_match) {
1156 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1157 bp);
1158 }
27ed20f7
WD		 1159 if (!cp)
1160 break;
1161 *cp = ' ';
1162 bp = cp + 1;
cd8185f2 1163 }
cd8185f2
AT		 1164}
1165
1166
8db7cc2c 1167static int count_args(const char **argv)
2855f61f 1168{
dfa32483 1169 int i = 0;
2855f61f 1170
8db7cc2c
WD		 1171 if (argv) {
1172 while (argv[i] != NULL)
1173 i++;
1174 }
dfa32483
WD		 1175
1176 return i;
2855f61f
MP		 1177}
1178
1179
837d01dd 1180static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1181{
3c19f72c
WD		 1182 int reps, mult, make_compatible = 0;
1183 const char *arg;
1184 OFF_T size = 1;
95e107db 1185
2dc7b8bd 1186 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1187 if (*arg == '.')
2dc7b8bd 1188 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1189 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1190 case 'b': case 'B':
3c19f72c 1191 reps = 0;
837d01dd 1192 break;
95e107db 1193 case 'k': case 'K':
3c19f72c 1194 reps = 1;
95e107db
WD		 1195 break;
1196 case 'm': case 'M':
3c19f72c 1197 reps = 2;
95e107db
WD		 1198 break;
1199 case 'g': case 'G':
3c19f72c 1200 reps = 3;
95e107db
WD		 1201 break;
1202 default:
3c19f72c 1203 return -1;
95e107db 1204 }
3c19f72c
WD		 1205 if (*arg == 'b' || *arg == 'B')
1206 mult = 1000, make_compatible = 1, arg++;
1207 else if (!*arg || *arg == '+' || *arg == '-')
1208 mult = 1024;
1209 else if (strncasecmp(arg, "ib", 2) == 0)
1210 mult = 1024, arg += 2;
1211 else
1212 return -1;
1213 while (reps--)
1214 size *= mult;
1215 size *= atof(*size_arg);
1216 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1217 size += atoi(arg), make_compatible = 1, arg += 2;
1218 if (*arg)
1219 return -1;
aeb213ea 1220 if (size > 0 && make_compatible) {
74de13d1
WD		 1221 /* We convert this manually because we may need %lld precision,
1222 * and that's not a portable sprintf() escape. */
8f14cc49 1223 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1224 OFF_T num = size;
8f14cc49 1225 *s = '\0';
aeb213ea 1226 while (num) {
26404276 1227 *--s = (char)(num % 10) + '0';
aeb213ea
WD		 1228 num /= 10;
1229 }
1230 if (!(*size_arg = strdup(s)))
1231 out_of_memory("parse_size_arg");
1232 }
95e107db
WD		 1233 return size;
1234}
1235
1236
3671987f
WD		 1237static void create_refuse_error(int which)
1238{
1239 /* The "which" value is the index + OPT_REFUSED_BASE. */
1240 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1241 int n = snprintf(err_buf, sizeof err_buf,
1242 "The server is configured to refuse --%s\n",
1243 op->longName) - 1;
1244 if (op->shortName) {
1245 snprintf(err_buf + n, sizeof err_buf - n,
1246 " (-%c)\n", op->shortName);
1247 }
1248}
1249
1250
dafe63ca
MP		 1251/**
1252 * Process command line arguments. Called on both local and remote.
1253 *
1254 * @retval 1 if all options are OK; with globals set to appropriate
1255 * values
1256 *
1257 * @retval 0 on error, with err_buf containing an explanation
1258 **/
53936ef9 1259int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1260{
7a4addaa 1261 static poptContext pc;
ffbffc64
WD		 1262 char *ref = lp_refuse_options(module_id);
1263 const char *arg, **argv = *argv_p;
1264 int argc = *argc_p;
1265 int opt;
d853783f 1266
27ed20f7
WD		 1267 if (ref && *ref)
1268 set_refuse_options(ref);
0b52f94d 1269 if (am_daemon) {
232658d9 1270 set_refuse_options("log-file*");
2357a51e 1271#ifdef ICONV_OPTION
0b52f94d
WD		 1272 if (!*lp_charset(module_id))
1273 set_refuse_options("iconv");
2357a51e 1274#endif
0b52f94d 1275 }
27ed20f7 1276
332cf6df 1277#ifdef ICONV_OPTION
a4453606 1278 if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 1279 iconv_opt = strdup(arg);
1280#endif
1281
dfa32483 1282 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1283
dfa32483
WD		 1284 /* The context leaks in case of an error, but if there's a
1285 * problem we always exit anyhow. */
7a4addaa
WD		 1286 if (pc)
1287 poptFreeContext(pc);
1288 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1289 if (!am_server)
1290 poptReadDefaultConfig(pc, 0);
2855f61f
MP		 1291
1292 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 1293 /* most options are handled automatically by popt;
1294 * only special cases are returned and listed here. */
2855f61f 1295
d853783f
AT		 1296 switch (opt) {
1297 case OPT_VERSION:
dfa32483 1298 print_rsync_version(FINFO);
d853783f 1299 exit_cleanup(0);
dfa32483 1300
0ccffd7c
WD		 1301 case OPT_SERVER:
1302 if (!am_server) {
1303 /* Disable popt aliases on the server side and
1304 * then start parsing the options again. */
1305 poptFreeContext(pc);
ffbffc64 1306 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD		 1307 long_options, 0);
1308 am_server = 1;
1309 }
332cf6df
WD		 1310#ifdef ICONV_OPTION
1311 iconv_opt = NULL;
1312#endif
0ccffd7c
WD		 1313 break;
1314
1315 case OPT_SENDER:
1316 if (!am_server) {
1317 usage(FERROR);
1318 exit_cleanup(RERR_SYNTAX);
1319 }
1320 am_sender = 1;
1321 break;
1322
3ac7f5d4
WD		 1323 case OPT_DAEMON:
1324 if (am_daemon) {
c9bce0b8
WD		 1325 strlcpy(err_buf,
1326 "Attempt to hack rsync thwarted!\n",
1327 sizeof err_buf);
3ac7f5d4
WD		 1328 return 0;
1329 }
332cf6df
WD		 1330#ifdef ICONV_OPTION
1331 iconv_opt = NULL;
1332#endif
3ac7f5d4 1333 poptFreeContext(pc);
ffbffc64 1334 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD		 1335 long_daemon_options, 0);
1336 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1337 char **cpp;
3ac7f5d4
WD		 1338 switch (opt) {
1339 case 'h':
1340 daemon_usage(FINFO);
1341 exit_cleanup(0);
1342
2206abf8
WD		 1343 case 'M':
1344 arg = poptGetOptArg(pc);
1345 if (!strchr(arg, '=')) {
1346 rprintf(FERROR,
1347 "--dparam value is missing an '=': %s\n",
1348 arg);
1349 goto daemon_error;
1350 }
1351 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1352 *cpp = strdup(arg);
1353 break;
1354
1bd9db74
WD		 1355 case 'v':
1356 verbose++;
1357 break;
1358
3ac7f5d4
WD		 1359 default:
1360 rprintf(FERROR,
1361 "rsync: %s: %s (in daemon mode)\n",
1362 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1363 poptStrerror(opt));
1364 goto daemon_error;
1365 }
1366 }
b6e22a47 1367
2206abf8
WD		 1368 if (dparam_list.count && !set_dparams(1))
1369 exit_cleanup(RERR_SYNTAX);
1370
b6e22a47
WD		 1371 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1372 snprintf(err_buf, sizeof err_buf,
1373 "the --temp-dir path is WAY too long.\n");
1374 return 0;
1375 }
1376
3ac7f5d4
WD		 1377 if (!daemon_opt) {
1378 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1379 daemon_error:
1380 rprintf(FERROR,
1381 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1382 exit_cleanup(RERR_SYNTAX);
1383 }
b6e22a47 1384
ffbffc64
WD		 1385 *argv_p = argv = poptGetArgs(pc);
1386 *argc_p = argc = count_args(argv);
7f2a1f65 1387 am_starting_up = 0;
3ac7f5d4
WD		 1388 daemon_opt = 0;
1389 am_daemon = 1;
1390 return 1;
1391
5b56cc19 1392 case OPT_MODIFY_WINDOW:
dfa32483
WD		 1393 /* The value has already been set by popt, but
1394 * we need to remember that we're using a
1395 * non-default setting. */
5b56cc19
AT		 1396 modify_window_set = 1;
1397 break;
1de50993 1398
aa4d3b4c 1399 case OPT_FILTER:
3a5e9224 1400 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT		 1401 break;
1402
aa4d3b4c 1403 case OPT_EXCLUDE:
3a5e9224 1404 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1405 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 1406 break;
1407
d853783f 1408 case OPT_INCLUDE:
3a5e9224 1409 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1410 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT		 1411 break;
1412
1413 case OPT_EXCLUDE_FROM:
93695764 1414 case OPT_INCLUDE_FROM:
7be73df4 1415 arg = poptGetOptArg(pc);
1a7f3d99 1416 if (sanitize_paths)
d48810ba 1417 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1418 if (daemon_filter_list.head) {
200aec7d 1419 int rej;
a1018691 1420 char *dir, *cp = strdup(arg);
d3ef9859
WD		 1421 if (!cp)
1422 out_of_memory("parse_arguments");
3671987f
WD		 1423 if (!*cp)
1424 goto options_rejected;
a1018691
WD		 1425 dir = cp + (*cp == '/' ? module_dirlen : 0);
1426 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1427 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
d3ef9859 1428 free(cp);
200aec7d
WD		 1429 if (rej)
1430 goto options_rejected;
ba3db479 1431 }
3a5e9224
WD		 1432 parse_filter_file(&filter_list, arg,
1433 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1434 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1435 break;
1436
b6164938
WD		 1437 case 'a':
1438 if (refused_archive_part) {
1439 create_refuse_error(refused_archive_part);
1440 return 0;
1441 }
1442 if (!recurse) /* preserve recurse == 2 */
1443 recurse = 1;
1444#ifdef SUPPORT_LINKS
1445 preserve_links = 1;
1446#endif
1447 preserve_perms = 1;
f9998046 1448 preserve_times = 2;
b6164938
WD		 1449 preserve_gid = 1;
1450 preserve_uid = 1;
1451 preserve_devices = 1;
b5c6a6ae
WD		 1452 preserve_specials = 1;
1453 break;
1454
1455 case 'D':
1456 preserve_devices = preserve_specials = 1;
1457 break;
1458
1459 case OPT_NO_D:
1460 preserve_devices = preserve_specials = 0;
b6164938
WD		 1461 break;
1462
3ca9e5d8
WD		 1463 case 'h':
1464 human_readable++;
1465 break;
1466
e0e32031
WD		 1467 case 'H':
1468 preserve_hard_links++;
1469 break;
1470
487094a0
WD		 1471 case 'i':
1472 itemize_changes++;
1473 break;
1474
d853783f
AT		 1475 case 'v':
1476 verbose++;
1477 break;
7a6421fa 1478
b86f0cef 1479 case 'q':
53936ef9 1480 quiet++;
b86f0cef
DD		 1481 break;
1482
243c995f
WD		 1483 case 'x':
1484 one_file_system++;
1485 break;
1486
aa4d3b4c
WD		 1487 case 'F':
1488 switch (++F_option_cnt) {
1489 case 1:
3a5e9224 1490 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD		 1491 break;
1492 case 2:
3a5e9224 1493 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD		 1494 break;
1495 }
1496 break;
1497
d9fcc198 1498 case 'P':
3671987f
WD		 1499 if (refused_partial || refused_progress) {
1500 create_refuse_error(refused_partial
1501 ? refused_partial : refused_progress);
1502 return 0;
1503 }
d9fcc198
AT		 1504 do_progress = 1;
1505 keep_partial = 1;
1506 break;
1507
854a1aad
WD		 1508 case 'z':
1509 if (def_compress_level < Z_DEFAULT_COMPRESSION
1510 || def_compress_level > Z_BEST_COMPRESSION) {
1511 snprintf(err_buf, sizeof err_buf,
1512 "--compress-level value is invalid: %d\n",
1513 def_compress_level);
1514 return 0;
1515 }
1516 do_compression = def_compress_level != Z_NO_COMPRESSION;
1517 if (do_compression && refused_compress) {
1518 create_refuse_error(refused_compress);
1519 return 0;
1520 }
1521 break;
1522
7a2eca41
WD		 1523 case 'M':
1524 arg = poptGetOptArg(pc);
1525 if (*arg != '-') {
1526 snprintf(err_buf, sizeof err_buf,
1527 "Remote option must start with a dash: %s\n", arg);
1528 return 0;
1529 }
1530 if (remote_option_cnt+2 >= remote_option_alloc) {
1531 remote_option_alloc += 16;
1532 remote_options = realloc_array(remote_options,
1533 const char *, remote_option_alloc);
1534 if (!remote_options)
1535 out_of_memory("parse_arguments");
1536 if (!remote_option_cnt)
1537 remote_options[0] = "ARG0";
1538 }
1539 remote_options[++remote_option_cnt] = arg;
1540 remote_options[remote_option_cnt+1] = NULL;
1541 break;
1542
088aac85 1543 case OPT_WRITE_BATCH:
9b3318b0 1544 /* batch_name is already set */
088aac85
DD		 1545 write_batch = 1;
1546 break;
1547
11e758a4
WD		 1548 case OPT_ONLY_WRITE_BATCH:
1549 /* batch_name is already set */
1550 write_batch = -1;
1551 break;
1552
76f79ba7 1553 case OPT_READ_BATCH:
9b3318b0 1554 /* batch_name is already set */
6902ed17
MP		 1555 read_batch = 1;
1556 break;
ea5164d1 1557
0b52f94d 1558 case OPT_NO_ICONV:
15dbffc2 1559#ifdef ICONV_OPTION
0b52f94d 1560 iconv_opt = NULL;
15dbffc2 1561#endif
0b52f94d
WD		 1562 break;
1563
7d5acf1d 1564 case OPT_MAX_SIZE:
837d01dd 1565 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1566 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD		 1567 "--max-size value is invalid: %s\n",
1568 max_size_arg);
e012f858 1569 return 0;
7d5acf1d
WD		 1570 }
1571 break;
1572
74de13d1
WD		 1573 case OPT_MIN_SIZE:
1574 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1575 snprintf(err_buf, sizeof err_buf,
1576 "--min-size value is invalid: %s\n",
1577 min_size_arg);
1578 return 0;
1579 }
1580 break;
1581
936fa865
WD		 1582 case OPT_APPEND:
1583 if (am_server)
1584 append_mode++;
1585 else
1586 append_mode = 1;
1587 break;
1588
59c95e42 1589 case OPT_LINK_DEST:
fcecb70b 1590#ifdef SUPPORT_HARD_LINKS
59c95e42 1591 link_dest = 1;
e012f858
WD		 1592 dest_option = "--link-dest";
1593 goto set_dest_dir;
59c95e42 1594#else
d175d7e1 1595 snprintf(err_buf, sizeof err_buf,
dfa32483 1596 "hard links are not supported on this %s\n",
59c95e42 1597 am_server ? "server" : "client");
59c95e42
DD		 1598 return 0;
1599#endif
1600
1de3e99b
WD		 1601 case OPT_COPY_DEST:
1602 copy_dest = 1;
1603 dest_option = "--copy-dest";
1604 goto set_dest_dir;
1605
e012f858
WD		 1606 case OPT_COMPARE_DEST:
1607 compare_dest = 1;
1608 dest_option = "--compare-dest";
1609 set_dest_dir:
3b26bba0 1610 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1611 snprintf(err_buf, sizeof err_buf,
1612 "ERROR: at most %d %s args may be specified\n",
1613 MAX_BASIS_DIRS, dest_option);
1614 return 0;
1615 }
ad77db8b
WD		 1616 /* We defer sanitizing this arg until we know what
1617 * our destination directory is going to be. */
1618 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1619 break;
1620
e16adcdf
WD		 1621 case OPT_CHMOD:
1622 arg = poptGetOptArg(pc);
bbe42182 1623 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD		 1624 snprintf(err_buf, sizeof err_buf,
1625 "Invalid argument passed to --chmod (%s)\n",
1626 arg);
1627 return 0;
1628 }
1629 break;
1630
951e826b
WD		 1631 case OPT_INFO:
1632 arg = poptGetOptArg(pc);
1633 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1634 break;
1635
1636 case OPT_DEBUG:
1637 arg = poptGetOptArg(pc);
1638 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1639 break;
1640
2df20057
WD		 1641 case OPT_USERMAP:
1642 if (usermap) {
1643 if (usermap_via_chown) {
1644 snprintf(err_buf, sizeof err_buf,
1645 "--usermap conflicts with prior --chown.\n");
1646 return 0;
1647 }
1648 snprintf(err_buf, sizeof err_buf,
1649 "You can only specify --usermap once.\n");
1650 return 0;
1651 }
1652 usermap = (char *)poptGetOptArg(pc);
1653 usermap_via_chown = False;
1654 break;
1655
1656 case OPT_GROUPMAP:
1657 if (groupmap) {
1658 if (groupmap_via_chown) {
1659 snprintf(err_buf, sizeof err_buf,
1660 "--groupmap conflicts with prior --chown.\n");
1661 return 0;
1662 }
1663 snprintf(err_buf, sizeof err_buf,
1664 "You can only specify --groupmap once.\n");
1665 return 0;
1666 }
1667 groupmap = (char *)poptGetOptArg(pc);
1668 groupmap_via_chown = False;
1669 break;
1670
1671 case OPT_CHOWN: {
1672 const char *chown = poptGetOptArg(pc);
1673 int len;
1674 if ((arg = strchr(chown, ':')) != NULL)
1675 len = arg++ - chown;
1676 else
1677 len = strlen(chown);
1678 if (len) {
1679 if (usermap) {
1680 if (!usermap_via_chown) {
1681 snprintf(err_buf, sizeof err_buf,
1682 "--chown conflicts with prior --usermap.\n");
1683 return 0;
1684 }
1685 snprintf(err_buf, sizeof err_buf,
1686 "You can only specify a user-affecting --chown once.\n");
1687 return 0;
1688 }
1689 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1690 out_of_memory("parse_arguments");
1691 usermap_via_chown = True;
1692 }
1693 if (arg && *arg) {
1694 if (groupmap) {
1695 if (!groupmap_via_chown) {
1696 snprintf(err_buf, sizeof err_buf,
1697 "--chown conflicts with prior --groupmap.\n");
1698 return 0;
1699 }
1700 snprintf(err_buf, sizeof err_buf,
1701 "You can only specify a group-affecting --chown once.\n");
1702 return 0;
1703 }
1704 if (asprintf(&groupmap, "*:%s", arg) < 0)
1705 out_of_memory("parse_arguments");
1706 groupmap_via_chown = True;
1707 }
1708 break;
1709 }
1710
f5a910dd
WD		 1711 case OPT_HELP:
1712 usage(FINFO);
1713 exit_cleanup(0);
1714
1c3344a1
WD		 1715 case 'A':
1716#ifdef SUPPORT_ACLS
1717 preserve_acls = 1;
1718 preserve_perms = 1;
1719 break;
1720#else
1721 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1722 * warning and then countermeasures taken to
1723 * restrict group and other access in the presence
1724 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1725 * for now */
1726 snprintf(err_buf,sizeof(err_buf),
1727 "ACLs are not supported on this %s\n",
1728 am_server ? "server" : "client");
1729 return 0;
1730#endif
1731
16edf865
WD		 1732 case 'X':
1733#ifdef SUPPORT_XATTRS
524eaa82 1734 preserve_xattrs++;
16edf865
WD		 1735 break;
1736#else
1737 snprintf(err_buf,sizeof(err_buf),
1738 "extended attributes are not supported on this %s\n",
1739 am_server ? "server" : "client");
1740 return 0;
1741#endif
1c3344a1 1742
d853783f 1743 default:
55afbb52 1744 /* A large opt value means that set_refuse_options()
3671987f 1745 * turned this option off. */
c67d1386 1746 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1747 create_refuse_error(opt);
1748 return 0;
27ed20f7 1749 }
3671987f
WD		 1750 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1751 am_server ? "on remote machine: " : "",
1752 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1753 poptStrerror(opt));
dfa32483 1754 return 0;
d853783f 1755 }
7a6421fa 1756 }
2855f61f 1757
adc2476f 1758 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1759 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1760 usage(FINFO);
1761 exit_cleanup(0);
1762 }
1763
951e826b
WD		 1764 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1765
abd32c95 1766 if (do_stats) {
951e826b
WD		 1767 parse_output_words(info_words, info_levels,
1768 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1769 }
1770
adc2476f
WD		 1771 if (human_readable) {
1772 char buf[32];
1773 snprintf(buf, sizeof buf, "%f", 3.14);
1774 if (strchr(buf, '.') != NULL)
1775 number_separator = ',';
1776 else
1777 number_separator = '.';
1778 }
1779
332cf6df 1780#ifdef ICONV_OPTION
a4453606 1781 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 1782 if (!am_server && strcmp(iconv_opt, "-") == 0)
1783 iconv_opt = NULL;
1784 else
1785 need_unsorted_flist = 1;
1786 }
0b52f94d
WD		 1787 if (refused_no_iconv && !iconv_opt) {
1788 create_refuse_error(refused_no_iconv);
1789 return 0;
1790 }
332cf6df
WD		 1791#endif
1792
53936ef9
WD		 1793 if (protect_args == 1 && am_server)
1794 return 1;
a4453606 1795
73cb6738
WD		 1796 *argv_p = argv = poptGetArgs(pc);
1797 *argc_p = argc = count_args(argv);
1798
4f5b0756 1799#ifndef SUPPORT_LINKS
54e87b4b 1800 if (preserve_links && !am_sender) {
e1add893
WD		 1801 snprintf(err_buf, sizeof err_buf,
1802 "symlinks are not supported on this %s\n",
1803 am_server ? "server" : "client");
e1add893
WD		 1804 return 0;
1805 }
1806#endif
1807
4f5b0756 1808#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 1809 if (preserve_hard_links) {
1810 snprintf(err_buf, sizeof err_buf,
1811 "hard links are not supported on this %s\n",
1812 am_server ? "server" : "client");
e1add893
WD		 1813 return 0;
1814 }
1815#endif
1816
cbbd8e2e
WD		 1817#ifdef SUPPORT_XATTRS
1818 if (am_root < 0 && preserve_xattrs > 1) {
1819 snprintf(err_buf, sizeof err_buf,
1820 "--fake-super conflicts with -XX\n");
1821 return 0;
1822 }
1823#else
9439c0cb
WD		 1824 if (am_root < 0) {
1825 snprintf(err_buf, sizeof err_buf,
1826 "--fake-super requires an rsync with extended attributes enabled\n");
1827 return 0;
1828 }
1829#endif
1830
088aac85 1831 if (write_batch && read_batch) {
c3ea0990 1832 snprintf(err_buf, sizeof err_buf,
36119893 1833 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1834 return 0;
088aac85 1835 }
11e758a4 1836 if (write_batch > 0 || read_batch) {
94327ff0
WD		 1837 if (am_server) {
1838 rprintf(FINFO,
1839 "ignoring --%s-batch option sent to server\n",
1840 write_batch ? "write" : "read");
1841 /* We don't actually exit_cleanup(), so that we can
1842 * still service older version clients that still send
1843 * batch args to server. */
1844 read_batch = write_batch = 0;
1845 batch_name = NULL;
254ee3ba
WD		 1846 } else if (dry_run)
1847 write_batch = 0;
69e2b4ee
WD		 1848 } else if (write_batch < 0 && dry_run)
1849 write_batch = 0;
36119893 1850 if (read_batch && files_from) {
c3ea0990 1851 snprintf(err_buf, sizeof err_buf,
36119893 1852 "--read-batch cannot be used with --files-from\n");
c3ea0990 1853 return 0;
36119893 1854 }
9b3318b0 1855 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1856 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 1857 "the batch-file name must be %d characters or less.\n",
1858 MAX_BATCH_NAME_LEN);
c3ea0990 1859 return 0;
beb93684 1860 }
088aac85 1861
ce58b1b4 1862 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 1863 snprintf(err_buf, sizeof err_buf,
1864 "the --temp-dir path is WAY too long.\n");
1865 return 0;
ce58b1b4
WD		 1866 }
1867
7b9598b2
WD		 1868 if (max_delete < 0 && max_delete != INT_MIN) {
1869 /* Negative numbers are treated as "no deletions". */
1870 max_delete = 0;
1871 }
1872
1de3e99b 1873 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1874 snprintf(err_buf, sizeof err_buf,
1de3e99b 1875 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD		 1876 return 0;
1877 }
1878
b6164938
WD		 1879 if (files_from) {
1880 if (recurse == 1) /* preserve recurse == 2 */
1881 recurse = 0;
550d4e23 1882 if (xfer_dirs < 0)
b6164938 1883 xfer_dirs = 1;
dfa32483 1884 }
51d48398 1885
20893751 1886 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD		 1887 list_only |= 1;
1888
1889 if (xfer_dirs >= 4) {
1890 parse_rule(&filter_list, "- /*/*", 0, 0);
1891 recurse = xfer_dirs = 1;
1892 } else if (recurse)
1893 xfer_dirs = 1;
1894 else if (xfer_dirs < 0)
1895 xfer_dirs = list_only ? 1 : 0;
dfa32483 1896
ea5164d1
WD		 1897 if (relative_paths < 0)
1898 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 1899 if (!relative_paths)
1900 implied_dirs = 0;
ea5164d1 1901
e0e32031 1902 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1903 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1904 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 1905 return 0;
1906 }
f5a910dd 1907 if (delete_before || delete_during || delete_after)
51d48398 1908 delete_mode = 1;
3296f91b 1909 else if (delete_mode || delete_excluded) {
e0e32031 1910 /* Only choose now between before & during if one is refused. */
3296f91b 1911 if (refused_delete_before) {
e0e32031
WD		 1912 if (!refused_delete_during)
1913 delete_during = 1;
1914 else {
1915 create_refuse_error(refused_delete_before);
1916 return 0;
1917 }
1918 } else if (refused_delete_during)
1919 delete_before = 1;
1920 delete_mode = 1;
3296f91b 1921 }
89fb5026
WD		 1922 if (!xfer_dirs && delete_mode) {
1923 snprintf(err_buf, sizeof err_buf,
1924 "--delete does not work without -r or -d.\n");
1925 return 0;
f5a910dd 1926 }
51d48398 1927
ce66f417 1928 if (refused_delete && (delete_mode || delete_missing_args)) {
3671987f
WD		 1929 create_refuse_error(refused_delete);
1930 return 0;
1931 }
1932
47c11975
WD		 1933 if (remove_source_files) {
1934 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 1935 * via the refusal of "delete", not any of the "delete-FOO"
1936 * options. */
1937 if (refused_delete && am_sender) {
1938 create_refuse_error(refused_delete);
1939 return 0;
1940 }
1941 need_messages_from_generator = 1;
1942 }
1943
41adbcec
WD		 1944 if (munge_symlinks && !am_daemon) {
1945 STRUCT_STAT st;
1946 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
1947 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
1948 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
1949 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
1950 prefix);
1951 exit_cleanup(RERR_UNSUPPORTED);
1952 }
1953 }
1954
7be73df4
WD		 1955 if (sanitize_paths) {
1956 int i;
ffbffc64 1957 for (i = argc; i-- > 0; )
d48810ba 1958 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 1959 if (tmpdir)
d48810ba 1960 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 1961 if (backup_dir)
d48810ba 1962 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 1963 }
819bfe45
WD		 1964 if (daemon_filter_list.head && !am_sender) {
1965 struct filter_list_struct *elp = &daemon_filter_list;
c3ea0990 1966 if (tmpdir) {
a1018691 1967 char *dir;
3671987f
WD		 1968 if (!*tmpdir)
1969 goto options_rejected;
a1018691
WD		 1970 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
1971 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1972 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD		 1973 goto options_rejected;
1974 }
c3ea0990 1975 if (backup_dir) {
a1018691 1976 char *dir;
3671987f
WD		 1977 if (!*backup_dir)
1978 goto options_rejected;
a1018691
WD		 1979 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
1980 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1981 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 1982 goto options_rejected;
c3ea0990
WD		 1983 }
1984 }
7be73df4 1985
d175d7e1 1986 if (!backup_suffix)
e0391f81 1987 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1988 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1989 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 1990 snprintf(err_buf, sizeof err_buf,
1991 "--suffix cannot contain slashes: %s\n",
80ddadb7 1992 backup_suffix);
c3ea0990 1993 return 0;
80ddadb7 1994 }
e0391f81
WD		 1995 if (backup_dir) {
1996 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1997 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1998 if (backup_dir_remainder < 32) {
c3ea0990
WD		 1999 snprintf(err_buf, sizeof err_buf,
2000 "the --backup-dir path is WAY too long.\n");
2001 return 0;
e0391f81
WD		 2002 }
2003 if (backup_dir_buf[backup_dir_len - 1] != '/') {
2004 backup_dir_buf[backup_dir_len++] = '/';
2005 backup_dir_buf[backup_dir_len] = '\0';
2006 }
951e826b 2007 if (INFO_GTE(BACKUP, 1) && !am_sender)
0ee6ca98 2008 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 2009 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2010 snprintf(err_buf, sizeof err_buf,
d175d7e1 2011 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 2012 return 0;
eb8f5c74
WD		 2013 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2014 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2015 "P *%s", backup_suffix);
eb8f5c74 2016 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 2017 }
fbd91cae
WD		 2018
2019 if (make_backups && !backup_dir) {
2020 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2021 if (preserve_times > 1)
2022 preserve_times = 1;
2023 } else if (omit_dir_times) {
2024 if (preserve_times > 1)
2025 preserve_times = 1;
2026 }
d175d7e1 2027
b3e4e7ef
WD		 2028 if (stdout_format) {
2029 if (am_server && log_format_has(stdout_format, 'I'))
2030 stdout_format_has_i = 2;
2031 else if (log_format_has(stdout_format, 'i'))
2032 stdout_format_has_i = itemize_changes | 1;
2033 if (!log_format_has(stdout_format, 'b')
886df221
WD		 2034 && !log_format_has(stdout_format, 'c')
2035 && !log_format_has(stdout_format, 'C'))
e7651884
WD		 2036 log_before_transfer = !am_server;
2037 } else if (itemize_changes) {
b3e4e7ef
WD		 2038 stdout_format = "%i %n%L";
2039 stdout_format_has_i = itemize_changes;
e7651884
WD		 2040 log_before_transfer = !am_server;
2041 }
87383697 2042
951e826b
WD		 2043 if (do_progress && !am_server) {
2044 if (!log_before_transfer && INFO_EQ(NAME, 0))
2045 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2046 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 2047 }
87383697 2048
11e758a4
WD		 2049 if (dry_run)
2050 do_xfers = 0;
2051
9ac756c6
WD		 2052 set_io_timeout(io_timeout);
2053
951e826b 2054 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2055 stdout_format = "%n%L";
87383697 2056 log_before_transfer = !am_server;
3671987f 2057 }
b3e4e7ef
WD		 2058 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2059 stdout_format_has_o_or_i = 1;
e2559dbe 2060
232658d9 2061 if (logfile_name && !am_daemon) {
b3e4e7ef 2062 if (!logfile_format) {
232658d9 2063 logfile_format = "%i %n%L";
87c0f9d6 2064 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 2065 } else {
2066 if (log_format_has(logfile_format, 'i'))
19b85876 2067 logfile_format_has_i = 1;
b3e4e7ef
WD		 2068 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2069 logfile_format_has_o_or_i = 1;
87c0f9d6 2070 }
6dc9b74b 2071 log_init(0);
2873603a
WD		 2072 } else if (!am_daemon)
2073 logfile_format = NULL;
87c0f9d6 2074
9fb08441
WD		 2075 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2076 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 2077 if (bwlimit) {
2078 bwlimit_writemax = (size_t)bwlimit * 128;
2079 if (bwlimit_writemax < 512)
2080 bwlimit_writemax = 512;
2081 }
2082
cfce9f6d 2083 if (sparse_files && inplace) {
c3851185 2084 /* Note: we don't check for this below, because --append is
cfce9f6d
WD		 2085 * OK with --sparse (as long as redos are handled right). */
2086 snprintf(err_buf, sizeof err_buf,
2087 "--sparse cannot be used with --inplace\n");
2088 return 0;
2089 }
2090
a015788d
WD		 2091 if (append_mode) {
2092 if (whole_file > 0) {
2093 snprintf(err_buf, sizeof err_buf,
2094 "--append cannot be used with --whole-file\n");
2095 return 0;
2096 }
2097 if (refused_inplace) {
2098 create_refuse_error(refused_inplace);
2099 return 0;
2100 }
2101 inplace = 1;
2102 }
2103
f06e7082 2104 if (delay_updates && !partial_dir)
77860bac 2105 partial_dir = tmp_partialdir;
f06e7082 2106
a3221d2a 2107 if (inplace) {
4f5b0756 2108#ifdef HAVE_FTRUNCATE
a7260c40
WD		 2109 if (partial_dir) {
2110 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2111 "--%s cannot be used with --%s\n",
2112 append_mode ? "append" : "inplace",
f06e7082 2113 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 2114 return 0;
2115 }
3671987f
WD		 2116 /* --inplace implies --partial for refusal purposes, but we
2117 * clear the keep_partial flag for internal logic purposes. */
2118 if (refused_partial) {
2119 create_refuse_error(refused_partial);
2120 return 0;
2121 }
a3221d2a 2122 keep_partial = 0;
ded4daf0
WD		 2123#else
2124 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2125 "--%s is not supported on this %s\n",
2126 append_mode ? "append" : "inplace",
ded4daf0
WD		 2127 am_server ? "server" : "client");
2128 return 0;
2129#endif
075aa18f 2130 } else {
bc880cb8 2131 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 2132 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2133 partial_dir = strdup(arg);
2134 }
075aa18f 2135 if (partial_dir) {
3671987f 2136 if (*partial_dir)
b58bfb2f 2137 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 2138 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2139 partial_dir = NULL;
3671987f
WD		 2140 if (!partial_dir && refused_partial) {
2141 create_refuse_error(refused_partial);
2142 return 0;
2143 }
075aa18f
WD		 2144 keep_partial = 1;
2145 }
a3221d2a
WD		 2146 }
2147
ea5164d1 2148 if (files_from) {
305666bf
WD		 2149 char *h, *p;
2150 int q;
ffbffc64 2151 if (argc > 2 || (!am_daemon && argc == 1)) {
ea5164d1
WD		 2152 usage(FERROR);
2153 exit_cleanup(RERR_SYNTAX);
2154 }
63596e1c 2155 if (strcmp(files_from, "-") == 0) {
ea5164d1 2156 filesfrom_fd = 0;
63596e1c 2157 if (am_server)
305666bf
WD		 2158 filesfrom_host = ""; /* reading from socket */
2159 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2160 if (am_server) {
305666bf
WD		 2161 snprintf(err_buf, sizeof err_buf,
2162 "The --files-from sent to the server cannot specify a host.\n");
2163 return 0;
ea5164d1 2164 }
305666bf
WD		 2165 files_from = p;
2166 filesfrom_host = h;
2167 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 2168 snprintf(err_buf, sizeof err_buf,
2169 "Invalid --files-from remote filename\n");
2170 return 0;
ea5164d1
WD		 2171 }
2172 } else {
305666bf 2173 if (sanitize_paths)
d48810ba 2174 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2175 if (daemon_filter_list.head) {
a1018691 2176 char *dir;
305666bf
WD		 2177 if (!*files_from)
2178 goto options_rejected;
a1018691
WD		 2179 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2180 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2181 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD		 2182 goto options_rejected;
2183 }
ea5164d1
WD		 2184 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2185 if (filesfrom_fd < 0) {
c3ea0990
WD		 2186 snprintf(err_buf, sizeof err_buf,
2187 "failed to open files-from file %s: %s\n",
2188 files_from, strerror(errno));
2189 return 0;
ea5164d1
WD		 2190 }
2191 }
2192 }
2193
7f2a1f65
WD		 2194 am_starting_up = 0;
2195
b11ed3b1 2196 return 1;
f0fa8c6d
WD		 2197
2198 options_rejected:
2199 snprintf(err_buf, sizeof err_buf,
2200 "Your options have been rejected by the server.\n");
2201 return 0;
7a6421fa
AT		 2202}
2203
2204
dafe63ca
MP		 2205/**
2206 * Construct a filtered list of options to pass through from the
2207 * client to the server.
2208 *
2209 * This involves setting options that will tell the server how to
2210 * behave, and also filtering out options that are processed only
2211 * locally.
2212 **/
ffbffc64 2213void server_options(char **args, int *argc_p)
7a6421fa 2214{
74ba98a5 2215 static char argstr[64];
ffbffc64 2216 int ac = *argc_p;
d239efa3 2217 uchar where;
f98c60bf 2218 char *arg;
d853783f
AT		 2219 int i, x;
2220
def97ff9 2221 /* This should always remain first on the server's command-line. */
d853783f
AT		 2222 args[ac++] = "--server";
2223
e208631a 2224 if (daemon_over_rsh > 0) {
1312d9fc 2225 args[ac++] = "--daemon";
ffbffc64 2226 *argc_p = ac;
1312d9fc
WD		 2227 /* if we're passing --daemon, we're done */
2228 return;
2229 }
2230
d853783f
AT		 2231 if (!am_sender)
2232 args[ac++] = "--sender";
2233
2234 x = 1;
2235 argstr[0] = '-';
a4453606
WD		 2236
2237 if (protect_args)
2238 argstr[x++] = 's';
2239
f98c60bf 2240 for (i = 0; i < verbose; i++)
d853783f 2241 argstr[x++] = 'v';
f0b36a48 2242
b86f0cef 2243 /* the -q option is intentionally left out */
d853783f
AT		 2244 if (make_backups)
2245 argstr[x++] = 'b';
2246 if (update_only)
2247 argstr[x++] = 'u';
2dbf36ef 2248 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 2249 argstr[x++] = 'n';
2250 if (preserve_links)
2251 argstr[x++] = 'l';
73cb6738
WD		 2252 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2253 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2254 argstr[x++] = 'd';
35bf8fa0
WD		 2255 if (am_sender) {
2256 if (keep_dirlinks)
2257 argstr[x++] = 'K';
876c9936
WD		 2258 if (prune_empty_dirs)
2259 argstr[x++] = 'm';
f9998046 2260 if (omit_dir_times)
35bf8fa0 2261 argstr[x++] = 'O';
2dbf36ef
WD		 2262 } else {
2263 if (copy_links)
2264 argstr[x++] = 'L';
2265 if (copy_dirlinks)
2266 argstr[x++] = 'k';
35bf8fa0 2267 }
1bfbf40b 2268
dfa32483 2269 if (whole_file > 0)
d853783f 2270 argstr[x++] = 'W';
bceec82f
MP		 2271 /* We don't need to send --no-whole-file, because it's the
2272 * default for remote transfers, and in any case old versions
2273 * of rsync will not understand it. */
dfa32483 2274
e0e32031 2275 if (preserve_hard_links) {
d853783f 2276 argstr[x++] = 'H';
e0e32031
WD		 2277 if (preserve_hard_links > 1)
2278 argstr[x++] = 'H';
2279 }
d853783f
AT		 2280 if (preserve_uid)
2281 argstr[x++] = 'o';
2282 if (preserve_gid)
2283 argstr[x++] = 'g';
b5c6a6ae 2284 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT		 2285 argstr[x++] = 'D';
2286 if (preserve_times)
2287 argstr[x++] = 't';
2288 if (preserve_perms)
2289 argstr[x++] = 'p';
344f9ba7
WD		 2290 else if (preserve_executability && am_sender)
2291 argstr[x++] = 'E';
1c3344a1
WD		 2292#ifdef SUPPORT_ACLS
2293 if (preserve_acls)
2294 argstr[x++] = 'A';
16edf865
WD		 2295#endif
2296#ifdef SUPPORT_XATTRS
524eaa82 2297 if (preserve_xattrs) {
16edf865 2298 argstr[x++] = 'X';
524eaa82
WD		 2299 if (preserve_xattrs > 1)
2300 argstr[x++] = 'X';
2301 }
1c3344a1 2302#endif
aa7a6e87 2303 if (recurse)
d853783f
AT		 2304 argstr[x++] = 'r';
2305 if (always_checksum)
2306 argstr[x++] = 'c';
2307 if (cvs_exclude)
2308 argstr[x++] = 'C';
2309 if (ignore_times)
2310 argstr[x++] = 'I';
2311 if (relative_paths)
2312 argstr[x++] = 'R';
243c995f 2313 if (one_file_system) {
d853783f 2314 argstr[x++] = 'x';
243c995f
WD		 2315 if (one_file_system > 1)
2316 argstr[x++] = 'x';
2317 }
d853783f
AT		 2318 if (sparse_files)
2319 argstr[x++] = 'S';
2320 if (do_compression)
2321 argstr[x++] = 'z';
f0b36a48 2322
29703623
WD		 2323 set_allow_inc_recurse();
2324
2325 /* Checking the pre-negotiated value allows --protocol=29 override. */
2326 if (protocol_version >= 30) {
2327 /* We make use of the -e option to let the server know about
2328 * any pre-release protocol version && some behavior flags. */
2329 argstr[x++] = 'e';
2ed790f3 2330#if SUBPROTOCOL_VERSION != 0
29703623
WD		 2331 if (protocol_version == PROTOCOL_VERSION) {
2332 x += snprintf(argstr+x, sizeof argstr - x,
2333 "%d.%d",
2334 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2335 } else
2ed790f3 2336#endif
29703623
WD		 2337 argstr[x++] = '.';
2338 if (allow_inc_recurse)
2339 argstr[x++] = 'i';
1ed56a05 2340#if defined HAVE_LUTIMES && defined HAVE_UTIMES
29703623 2341 argstr[x++] = 'L';
91fd15b8
WD		 2342#endif
2343#ifdef ICONV_OPTION
2344 argstr[x++] = 's';
1ed56a05 2345#endif
29703623
WD		 2346 }
2347
951e826b 2348 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD		 2349 rprintf(FERROR, "argstr overflow in server_options().\n");
2350 exit_cleanup(RERR_MALLOC);
2351 }
2352
951e826b
WD		 2353 argstr[x] = '\0';
2354
6d301fa3
WD		 2355 if (x > 1)
2356 args[ac++] = argstr;
d853783f 2357
a4453606
WD		 2358#ifdef ICONV_OPTION
2359 if (iconv_opt) {
2360 char *set = strchr(iconv_opt, ',');
2361 if (set)
2362 set++;
2363 else
2364 set = iconv_opt;
2365 if (asprintf(&arg, "--iconv=%s", set) < 0)
2366 goto oom;
2367 args[ac++] = arg;
2368 }
2369#endif
2370
53936ef9 2371 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD		 2372 args[ac++] = NULL;
2373
51d48398
WD		 2374 if (list_only > 1)
2375 args[ac++] = "--list-only";
2376
f5a910dd
WD		 2377 /* This makes sure that the remote rsync can handle deleting with -d
2378 * sans -r because the --no-r option was added at the same time. */
2379 if (xfer_dirs && !recurse && delete_mode && am_sender)
2380 args[ac++] = "--no-r";
2381
854a1aad
WD		 2382 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2383 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2384 goto oom;
2385 args[ac++] = arg;
2386 }
2387
b5c6a6ae
WD		 2388 if (preserve_devices) {
2389 /* Note: sending "--devices" would not be backward-compatible. */
2390 if (!preserve_specials)
2391 args[ac++] = "--no-specials"; /* -D is already set. */
2392 } else if (preserve_specials)
2393 args[ac++] = "--specials";
2394
5c5e1598
WD		 2395 /* The server side doesn't use our log-format, but in certain
2396 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 2397 if (stdout_format && am_sender) {
2398 /* Use --log-format, not --out-format, for compatibility. */
2399 if (stdout_format_has_i > 1)
487094a0 2400 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2401 else if (stdout_format_has_i)
684d7582 2402 args[ac++] = "--log-format=%i";
b3e4e7ef 2403 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 2404 args[ac++] = "--log-format=%o";
2405 else if (!verbose)
2406 args[ac++] = "--log-format=X";
2407 }
1f30a674 2408
195bd906 2409 if (block_size) {
a06b419d 2410 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD		 2411 goto oom;
2412 args[ac++] = arg;
dfa32483 2413 }
d853783f
AT		 2414
2415 if (io_timeout) {
f98c60bf
WD		 2416 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2417 goto oom;
2418 args[ac++] = arg;
dfa32483 2419 }
d853783f 2420
ef5d23eb 2421 if (bwlimit) {
f98c60bf
WD		 2422 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2423 goto oom;
2424 args[ac++] = arg;
ef5d23eb
DD		 2425 }
2426
d175d7e1
WD		 2427 if (backup_dir) {
2428 args[ac++] = "--backup-dir";
2429 args[ac++] = backup_dir;
2430 }
2431
2432 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2433 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2434 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD		 2435 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2436 goto oom;
2437 args[ac++] = arg;
d853783f
AT		 2438 }
2439
06a50542 2440 if (am_sender) {
7b9598b2
WD		 2441 if (max_delete > 0) {
2442 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2443 goto oom;
2444 args[ac++] = arg;
2445 } else if (max_delete == 0)
d6ca255c 2446 args[ac++] = "--max-delete=-1";
7b9598b2
WD		 2447 if (min_size) {
2448 args[ac++] = "--min-size";
2449 args[ac++] = min_size_arg;
2450 }
2451 if (max_size) {
2452 args[ac++] = "--max-size";
2453 args[ac++] = max_size_arg;
2454 }
e0e32031 2455 if (delete_before)
c6eb7fad 2456 args[ac++] = "--delete-before";
0d152437
WD		 2457 else if (delete_during == 2)
2458 args[ac++] = "--delete-delay";
2459 else if (delete_during)
2460 args[ac++] = "--delete-during";
2461 else if (delete_after)
06a50542 2462 args[ac++] = "--delete-after";
e0e32031
WD		 2463 else if (delete_mode && !delete_excluded)
2464 args[ac++] = "--delete";
2465 if (delete_excluded)
2466 args[ac++] = "--delete-excluded";
06a50542
WD		 2467 if (force_delete)
2468 args[ac++] = "--force";
11e758a4
WD		 2469 if (write_batch < 0)
2470 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 2471 if (am_root > 1)
2472 args[ac++] = "--super";
f17e769e
WD		 2473 if (size_only)
2474 args[ac++] = "--size-only";
dc6fb11b
WD		 2475 if (do_stats)
2476 args[ac++] = "--stats";
b1e436ec
WD		 2477 } else {
2478 if (skip_compress) {
2479 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2480 goto oom;
2481 args[ac++] = arg;
2482 }
06a50542 2483 }
b33b791e 2484
ce66f417
WD		 2485 if (delete_missing_args)
2486 args[ac++] = "--delete-missing-args";
2487
5b56cc19 2488 if (modify_window_set) {
f98c60bf
WD		 2489 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
2490 goto oom;
2491 args[ac++] = arg;
5b56cc19
AT		 2492 }
2493
c8d895de 2494 if (checksum_seed) {
221ddb94 2495 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 2496 goto oom;
2497 args[ac++] = arg;
2498 }
2499
a7260c40 2500 if (partial_dir && am_sender) {
77860bac 2501 if (partial_dir != tmp_partialdir) {
3671987f
WD		 2502 args[ac++] = "--partial-dir";
2503 args[ac++] = partial_dir;
2504 }
f06e7082
WD		 2505 if (delay_updates)
2506 args[ac++] = "--delay-updates";
77860bac 2507 } else if (keep_partial && am_sender)
d853783f
AT		 2508 args[ac++] = "--partial";
2509
ef55c686
AT		 2510 if (ignore_errors)
2511 args[ac++] = "--ignore-errors";
2512
b5313607
DD		 2513 if (copy_unsafe_links)
2514 args[ac++] = "--copy-unsafe-links";
2515
d853783f
AT		 2516 if (safe_symlinks)
2517 args[ac++] = "--safe-links";
2518
2519 if (numeric_ids)
2520 args[ac++] = "--numeric-ids";
2521
95def6d9
WD		 2522 if (use_qsort)
2523 args[ac++] = "--use-qsort";
2524
4f3797c7 2525 if (am_sender) {
2df20057
WD		 2526 if (usermap) {
2527 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2528 goto oom;
2529 args[ac++] = arg;
2530 }
2531
2532 if (groupmap) {
2533 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2534 goto oom;
2535 args[ac++] = arg;
2536 }
2537
4f3797c7
WD		 2538 if (ignore_existing)
2539 args[ac++] = "--ignore-existing";
2540
2541 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2542 if (ignore_non_existing)
2543 args[ac++] = "--existing";
3d6feada 2544
4f3797c7
WD		 2545 if (tmpdir) {
2546 args[ac++] = "--temp-dir";
2547 args[ac++] = tmpdir;
2548 }
2549
2550 if (basis_dir[0]) {
2551 /* the server only needs this option if it is not the sender,
2552 * and it may be an older version that doesn't know this
2553 * option, so don't send it if client is the sender.
2554 */
4f3797c7
WD		 2555 for (i = 0; i < basis_dir_cnt; i++) {
2556 args[ac++] = dest_option;
2557 args[ac++] = basis_dir[i];
2558 }
2559 }
2560 }
e90aab49 2561
951e826b
WD		 2562 /* What flags do we need to send to the other side? */
2563 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2564 arg = make_output_option(info_words, info_levels, where);
2565 if (arg)
2566 args[ac++] = arg;
2567
2568 arg = make_output_option(debug_words, debug_levels, where);
2569 if (arg)
2570 args[ac++] = arg;
2571
936fa865
WD		 2572 if (append_mode) {
2573 if (append_mode > 1)
2574 args[ac++] = "--append";
a015788d 2575 args[ac++] = "--append";
936fa865 2576 } else if (inplace)
a3221d2a
WD		 2577 args[ac++] = "--inplace";
2578
305666bf
WD		 2579 if (files_from && (!am_sender || filesfrom_host)) {
2580 if (filesfrom_host) {
ea5164d1 2581 args[ac++] = "--files-from";
305666bf 2582 args[ac++] = files_from;
ea5164d1
WD		 2583 if (eol_nulls)
2584 args[ac++] = "--from0";
2585 } else {
2586 args[ac++] = "--files-from=-";
2587 args[ac++] = "--from0";
2588 }
c0ab28d1
WD		 2589 if (!relative_paths)
2590 args[ac++] = "--no-relative";
ea5164d1 2591 }
33a04593
WD		 2592 /* It's OK that this checks the upper-bound of the protocol_version. */
2593 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2594 args[ac++] = "--no-implied-dirs";
ea5164d1 2595
c4ed1487
WD		 2596 if (fuzzy_basis && am_sender)
2597 args[ac++] = "--fuzzy";
2598
47c11975
WD		 2599 if (remove_source_files == 1)
2600 args[ac++] = "--remove-source-files";
2601 else if (remove_source_files)
07c6ae7d
WD		 2602 args[ac++] = "--remove-sent-files";
2603
7a2eca41
WD		 2604 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2605 rprintf(FERROR, "argc overflow in server_options().\n");
2606 exit_cleanup(RERR_MALLOC);
2607 }
2608
2609 if (remote_option_cnt) {
2610 int j;
2611 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2612 rprintf(FERROR, "too many remote options specified.\n");
2613 exit_cleanup(RERR_SYNTAX);
2614 }
2615 for (j = 1; j <= remote_option_cnt; j++)
2616 args[ac++] = (char*)remote_options[j];
2617 }
2618
ffbffc64 2619 *argc_p = ac;
f98c60bf
WD		 2620 return;
2621
2622 oom:
2623 out_of_memory("server_options");
7a6421fa
AT		 2624}
2625
58cf3547
WD		 2626/* If str points to a valid hostspec, return allocated memory containing the
2627 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2628 * the string after the host part. Otherwise, return NULL. If port_ptr is
2629 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2630 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2631 * (required for parsing) [ and ] chars elided from the returned string. */
2632static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2633{
4d13a2fe 2634 char *s, *host_start = str;
58cf3547
WD		 2635 int hostlen = 0, userlen = 0;
2636 char *ret;
2637
4d13a2fe 2638 for (s = str; ; s++) {
58cf3547
WD		 2639 if (!*s) {
2640 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD		 2641 if (!port_ptr)
2642 return NULL;
2643 if (!hostlen)
2644 hostlen = s - host_start;
2645 break;
58cf3547
WD		 2646 }
2647 if (*s == ':' || *s == '/') {
2648 if (!hostlen)
2649 hostlen = s - host_start;
2650 if (*s++ == '/') {
2651 if (!port_ptr)
2652 return NULL;
2653 } else if (port_ptr) {
2654 *port_ptr = atoi(s);
2655 while (isDigit(s)) s++;
4d13a2fe 2656 if (*s && *s++ != '/')
58cf3547
WD		 2657 return NULL;
2658 }
2659 break;
2660 }
2661 if (*s == '@') {
2662 userlen = s - str + 1;
2663 host_start = s + 1;
2664 } else if (*s == '[') {
2665 if (s != host_start++)
2666 return NULL;
2667 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2668 hostlen = s - host_start;
2669 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2670 return NULL;
2671 }
2672 }
2673
2674 *path_start_ptr = s;
2675 ret = new_array(char, userlen + hostlen + 1);
2676 if (userlen)
2677 strlcpy(ret, str, userlen + 1);
2678 strlcpy(ret + userlen, host_start, hostlen + 1);
2679 return ret;
2680}
2681
305666bf
WD		 2682/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2683 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2684 * memory with the HOST. If a daemon-accessing spec was specified, the value
2685 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2686 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2687 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2688 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2689char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2690{
58cf3547 2691 char *path;
305666bf
WD		 2692
2693 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD		 2694 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2695 if (*host_ptr) {
2696 if (!*port_ptr)
2697 *port_ptr = RSYNC_PORT;
2698 return path;
305666bf 2699 }
305666bf
WD		 2700 }
2701
58cf3547
WD		 2702 *host_ptr = parse_hostspec(s, &path, NULL);
2703 if (!*host_ptr)
2704 return NULL;
ea5164d1 2705
58cf3547 2706 if (*path == ':') {
305666bf
WD		 2707 if (port_ptr && !*port_ptr)
2708 *port_ptr = RSYNC_PORT;
58cf3547 2709 return path + 1;
305666bf
WD		 2710 }
2711 if (port_ptr)
2712 *port_ptr = 0;
ea5164d1 2713
58cf3547 2714 return path;
ea5164d1 2715}
Matt McCutchen's repository for rsync, the fast and versatile remote file copier