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