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A couple xattr fixes for --fake-super.
[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>
d3d07a5e 6 * Copyright (C) 2002-2008 Wayne Davison
dfa32483 7 *
dafe63ca 8 * This program is free software; you can redistribute it and/or modify
8e41b68e
WD		 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
dfa32483 12 *
dafe63ca
MP		 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
dfa32483 17 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
dafe63ca 20 */
7a6421fa 21
7a6421fa 22#include "rsync.h"
1b42f628 23#include "ifuncs.h"
35bf8fa0 24#include <popt.h>
854a1aad 25#include "zlib/zlib.h"
7a6421fa 26
7bc90b30 27extern int module_id;
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;
81int am_generator = 0;
82int am_starting_up = 1;
ea5164d1
WD		 83int relative_paths = -1;
84int implied_dirs = 1;
7a6421fa 85int numeric_ids = 0;
5974c662 86int allow_8bit_chars = 0;
7a6421fa
AT		 87int force_delete = 0;
88int io_timeout = 0;
9ac756c6 89int allowed_lull = 0;
876c9936 90int prune_empty_dirs = 0;
8487f9cf 91int use_qsort = 0;
ea5164d1
WD		 92char *files_from = NULL;
93int filesfrom_fd = -1;
305666bf 94char *filesfrom_host = NULL;
ea5164d1 95int eol_nulls = 0;
7a4addaa 96int protect_args = 0;
8f14cc49 97int human_readable = 0;
7a6421fa 98int recurse = 0;
5275029d 99int allow_inc_recurse = 1;
b6164938 100int xfer_dirs = -1;
1312d9fc 101int am_daemon = 0;
ba22c9e2 102int connect_timeout = 0;
a5c11139
WD		 103int keep_partial = 0;
104int safe_symlinks = 0;
105int copy_unsafe_links = 0;
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. */
b1e436ec 124char *skip_compress = NULL;
b35d0d8e 125
13e29995 126/** Network address family. **/
24d677fc 127int default_af_hint
4f5b0756 128#ifdef INET6
24d677fc 129 = 0; /* Any protocol */
6ab6d4bf 130#else
24d677fc
WD		 131 = AF_INET; /* Must use IPv4 */
132# ifdef AF_INET6
133# undef AF_INET6
134# endif
135# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 136#endif
06963d0f 137
13e29995
MP		 138/** Do not go into the background when run as --daemon. Good
139 * for debugging and required for running as a service on W32,
140 * or under Unix process-monitors. **/
1f35babc
WD		 141int no_detach
142#if defined _WIN32 || defined __WIN32__
143 = 1;
144#else
145 = 0;
146#endif
13e29995 147
088aac85
DD		 148int write_batch = 0;
149int read_batch = 0;
d175d7e1
WD		 150int backup_dir_len = 0;
151int backup_suffix_len;
e0391f81 152unsigned int backup_dir_remainder;
6902ed17 153
d175d7e1 154char *backup_suffix = NULL;
7a6421fa 155char *tmpdir = NULL;
a7260c40 156char *partial_dir = NULL;
e012f858 157char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 158char *config_file = NULL;
7a6421fa 159char *shell_cmd = NULL;
87c0f9d6
WD		 160char *logfile_name = NULL;
161char *logfile_format = NULL;
b3e4e7ef 162char *stdout_format = NULL;
65575e96 163char *password_file = NULL;
41bd28fe 164char *rsync_path = RSYNC_PATH;
66203a98 165char *backup_dir = NULL;
e0391f81 166char backup_dir_buf[MAXPATHLEN];
831f06a5 167char *sockopts = NULL;
0c56b1ad 168int rsync_port = 0;
dfd7d541 169int compare_dest = 0;
1de3e99b 170int copy_dest = 0;
59c95e42 171int link_dest = 0;
ce0b384f 172int basis_dir_cnt = 0;
f9a9f547 173char *dest_option = NULL;
7a6421fa 174
7a2eca41
WD		 175static int remote_option_alloc = 0;
176int remote_option_cnt = 0;
177const char **remote_options = NULL;
178
b86f0cef 179int quiet = 0;
dc1f7b9e 180int output_motd = 1;
e7651884 181int log_before_transfer = 0;
b3e4e7ef
WD		 182int stdout_format_has_i = 0;
183int stdout_format_has_o_or_i = 0;
87c0f9d6 184int logfile_format_has_i = 0;
87c0f9d6 185int logfile_format_has_o_or_i = 0;
7a6421fa 186int always_checksum = 0;
f7632fc6 187int list_only = 0;
7a6421fa 188
9b3318b0
WD		 189#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
190char *batch_name = NULL;
6902ed17 191
332cf6df 192int need_unsorted_flist = 0;
f7a76b9c 193#ifdef ICONV_OPTION
332cf6df
WD		 194char *iconv_opt = ICONV_OPTION;
195#endif
196
dd32e2c3
WD		 197struct chmod_mode_struct *chmod_modes = NULL;
198
951e826b
WD		 199static char *debug_verbosity[] = {
200 /*0*/ NULL,
201 /*1*/ NULL,
202 /*2*/ "bind,cmd,chksum,connect,del,dup,filter,flist",
203 /*3*/ "acl,backup,chksum2,del2,exit,filter2,flist2,fuzzy,genr,own,recv,send,time",
204 /*4*/ "cmd2,chksum3,del3,exit2,flist3,iconv,own2,proto,time2",
205 /*5*/ "chdir,chksum4,flist4,fuzzy2,hlink",
206};
207
208#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
209
b8993a1e 210static char *info_verbosity[1+MAX_VERBOSITY] = {
951e826b
WD		 211 /*0*/ NULL,
212 /*1*/ "copy,del,flist,misc,name,stats,symsafe",
213 /*2*/ "backup,misc2,mount,name2,remove,skip",
214};
215
216#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
217
218short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
219
220#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
221#define HELP_PRIORITY 1 /* The help output uses this level. */
222#define USER_PRIORITY 2 /* User-specified via --info or --debug */
223#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
224
225#define W_CLI (1<<0) /* client side */
226#define W_SRV (1<<1) /* server side */
227#define W_SND (1<<2) /* sending side */
228#define W_REC (1<<3) /* receiving side */
229
230struct output_struct {
231 char *name; /* The name of the info/debug flag. */
232 char *help; /* The description of the info/debug flag. */
233 short flag; /* The flag's value, for consistency check. */
234 short where; /* Bits indicating where the flag is used. */
235 short priority; /* See *_PRIORITY defines. */
236};
237
238#define INFO_WORD(flag, where, help) { #flag, help, INFO_##flag, where, 0 }
239
75d96978 240static struct output_struct info_words[COUNT_INFO+1] = {
951e826b
WD		 241 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
242 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
243 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
244 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
245 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
246 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
247 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
248 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
249 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
250 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
251 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
252 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
253 { NULL, "--info", 0, 0, 0 }
254};
255
256#define DEBUG_WORD(flag, where, help) { #flag, help, DEBUG_##flag, where, 0 }
257
75d96978 258static struct output_struct debug_words[COUNT_DEBUG+1] = {
951e826b
WD		 259 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
260 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
261 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
262 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
263 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events"),
264 DEBUG_WORD(CHKSUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
265 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
266 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
267 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
268 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-2)"),
269 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
270 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
271 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
272 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
273 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions"),
274 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv (character conversion)"),
275 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
276 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
277 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
278 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
279 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
280 { NULL, "--debug", 0, 0, 0 }
281};
282
283static int verbose = 0;
284static int do_stats = 0;
285static int do_progress = 0;
e1add893 286static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 287static int omit_dir_times = 0;
aa4d3b4c 288static int F_option_cnt = 0;
5b56cc19 289static int modify_window_set;
624d6be2 290static int itemize_changes = 0;
854a1aad 291static int refused_delete, refused_archive_part, refused_compress;
3296f91b 292static int refused_partial, refused_progress, refused_delete_before;
e0e32031 293static int refused_delete_during;
0b52f94d 294static int refused_inplace, refused_no_iconv;
74de13d1 295static char *max_size_arg, *min_size_arg;
77860bac 296static char tmp_partialdir[] = ".~tmp~";
5b56cc19 297
06963d0f 298/** Local address to bind. As a character string because it's
fdf57ede 299 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 300 * address, or a hostname. **/
301char *bind_address;
5c9730a4 302
951e826b
WD		 303static void output_item_help(struct output_struct *words);
304
305/* This constructs a string that represents all the options set for either
306 * the --info or --debug setting, skipping any implied options (by -v, etc.).
307 * This is used both when conveying the user's options to the server, and
308 * when the help output wants to tell the user what options are implied. */
309static char *make_output_option(struct output_struct *words, short *levels, short where)
310{
311 char *str = words == info_words ? "--info=" : "--debug=";
312 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
313 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
314 char *buf;
315
316 memset(counts, 0, sizeof counts);
317
318 for (j = 0; words[j].name; j++) {
319 if (words[j].flag != j) {
320 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
321 words == info_words ? "INFO_" : "DEBUG_",
322 words[j].name, words[j].flag, j);
323 exit_cleanup(RERR_UNSUPPORTED);
324 }
325 if (!(words[j].where & where))
326 continue;
327 if (words[j].priority == DEFAULT_PRIORITY) {
328 /* Implied items don't need to be mentioned. */
329 skipped++;
330 continue;
331 }
332 len += len ? 1 : strlen(str);
333 len += strlen(words[j].name);
334 len += levels[j] == 1 ? 0 : 1;
335
336 if (words[j].priority == HELP_PRIORITY)
337 continue; /* no abbreviating for help */
338
339 assert(levels[j] <= MAX_OUT_LEVEL);
340 if (++counts[levels[j]] > max) {
341 /* Determine which level has the most items. */
342 lev = levels[j];
343 max = counts[lev];
344 }
345 }
346
347 /* Sanity check the COUNT_* define against the length of the table. */
348 if (j != word_count) {
349 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
350 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
351 j, word_count);
352 exit_cleanup(RERR_UNSUPPORTED);
353 }
354
355 if (!len)
356 return NULL;
357
358 len++;
359 if (!(buf = new_array(char, len)))
360 out_of_memory("make_output_option");
361 pos = 0;
362
363 if (skipped || max < 5)
364 lev = -1;
365 else {
366 if (lev == 0)
367 pos += snprintf(buf, len, "%sNONE", str);
368 else if (lev == 1)
369 pos += snprintf(buf, len, "%sALL", str);
370 else
371 pos += snprintf(buf, len, "%sALL%d", str, lev);
372 }
373
374 for (j = 0; words[j].name && pos < len; j++) {
375 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
376 continue;
377 if (pos)
378 buf[pos++] = ',';
379 else
380 pos += strlcpy(buf+pos, str, len-pos);
381 if (pos < len)
382 pos += strlcpy(buf+pos, words[j].name, len-pos);
383 /* Level 1 is implied by the name alone. */
384 if (levels[j] != 1 && pos < len)
385 buf[pos++] = '0' + levels[j];
386 }
387
388 buf[pos] = '\0';
389
390 return buf;
391}
392
393static void parse_output_words(struct output_struct *words, short *levels,
75d96978 394 const char *str, short priority)
951e826b
WD		 395{
396 const char *s;
397 int j, len, lev;
398
399 if (!str)
400 return;
401
402 while (*str) {
403 if ((s = strchr(str, ',')) != NULL)
404 len = s++ - str;
405 else
406 len = strlen(str);
407 while (len && isDigit(str+len-1))
408 len--;
409 lev = isDigit(str+len) ? atoi(str+len) : 1;
410 if (lev > MAX_OUT_LEVEL)
411 lev = MAX_OUT_LEVEL;
412 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
413 output_item_help(words);
414 exit_cleanup(0);
415 }
416 if (len == 4 && strncasecmp(str, "none", 4) == 0)
417 len = lev = 0;
418 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
419 len = 0;
420 for (j = 0; words[j].name; j++) {
421 if (!len
422 || (strncasecmp(str, words[j].name, len) == 0 && !words[j].name[len])) {
423 if (priority >= words[j].priority) {
424 words[j].priority = priority;
425 levels[j] = lev;
426 }
427 if (len)
428 break;
429 }
430 }
431 if (len && !words[j].name) {
75d96978
WD		 432 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
433 words[j].help, len, str);
951e826b
WD		 434 exit_cleanup(RERR_SYNTAX);
435 }
436 if (!s)
437 break;
438 str = s;
439 }
440}
441
442/* Tell the user what all the info or debug flags mean. */
443static void output_item_help(struct output_struct *words)
444{
445 short *levels = words == info_words ? info_levels : debug_levels;
75d96978 446 char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD		 447 char buf[128], *opt, *fmt = "%-10s %s\n";
448 int j;
449
75d96978
WD		 450 reset_output_levels();
451
951e826b
WD		 452 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
453 rprintf(FINFO, "\n");
454 for (j = 0; words[j].name; j++)
455 rprintf(FINFO, fmt, words[j].name, words[j].help);
456 rprintf(FINFO, "\n");
457
458 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
459 words[j].help, MAX_OUT_LEVEL);
460 rprintf(FINFO, fmt, "ALL", buf);
461
462 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
463 words[j].help);
464 rprintf(FINFO, fmt, "NONE", buf);
465
466 rprintf(FINFO, fmt, "HELP", "Output this help message");
467 rprintf(FINFO, "\n");
468 rprintf(FINFO, "Options added for each increase in verbose level:\n");
469
470 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 471 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD		 472 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
473 if (opt) {
474 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
475 free(opt);
476 }
75d96978 477 reset_output_levels();
951e826b 478 }
951e826b
WD		 479}
480
481/* The --verbose option now sets info+debug flags. */
75d96978 482static void set_output_verbosity(int level, short priority)
951e826b
WD		 483{
484 int j;
485
486 if (level > MAX_VERBOSITY)
487 level = MAX_VERBOSITY;
488
489 for (j = 1; j <= level; j++) {
490 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
491 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
492 }
493}
494
495/* Limit the info+debug flag levels given a verbose-option level limit. */
496void limit_output_verbosity(int level)
497{
498 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
499 int j;
500
501 if (level > MAX_VERBOSITY)
502 return;
503
504 memset(info_limits, 0, sizeof info_limits);
505 memset(debug_limits, 0, sizeof debug_limits);
506
507 /* Compute the level limits in the above arrays. */
508 for (j = 1; j <= level; j++) {
509 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
510 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
511 }
512
513 for (j = 0; j < COUNT_INFO; j++) {
514 if (info_levels[j] > info_limits[j])
515 info_levels[j] = info_limits[j];
516 }
517
518 for (j = 0; j < COUNT_DEBUG; j++) {
519 if (debug_levels[j] > debug_limits[j])
520 debug_levels[j] = debug_limits[j];
521 }
522}
523
524void reset_output_levels(void)
525{
526 int j;
527
528 memset(info_levels, 0, sizeof info_levels);
529 memset(debug_levels, 0, sizeof debug_levels);
530
531 for (j = 0; j < COUNT_INFO; j++)
532 info_words[j].priority = DEFAULT_PRIORITY;
533
534 for (j = 0; j < COUNT_DEBUG; j++)
535 debug_words[j].priority = DEFAULT_PRIORITY;
536}
537
538void negate_output_levels(void)
539{
540 int j;
541
542 for (j = 0; j < COUNT_INFO; j++)
543 info_levels[j] *= -1;
544
545 for (j = 0; j < COUNT_DEBUG; j++)
546 debug_levels[j] *= -1;
547}
7a24c346 548
27a12348 549static void print_rsync_version(enum logcode f)
7a24c346 550{
2ed790f3 551 char *subprotocol = "";
dfa32483 552 char const *got_socketpair = "no ";
a3221d2a 553 char const *have_inplace = "no ";
dfa32483 554 char const *hardlinks = "no ";
1ed56a05 555 char const *symtimes = "no ";
1c3344a1 556 char const *acls = "no ";
16edf865 557 char const *xattrs = "no ";
dfa32483 558 char const *links = "no ";
332cf6df 559 char const *iconv = "no ";
a358449a 560 char const *ipv6 = "no ";
736a6a29 561 STRUCT_STAT *dumstat;
0c80cd8e 562
2ed790f3
WD		 563#if SUBPROTOCOL_VERSION != 0
564 asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION);
565#endif
4f5b0756 566#ifdef HAVE_SOCKETPAIR
dfa32483 567 got_socketpair = "";
0c80cd8e 568#endif
4f5b0756 569#ifdef HAVE_FTRUNCATE
a3221d2a
WD		 570 have_inplace = "";
571#endif
4f5b0756 572#ifdef SUPPORT_HARD_LINKS
dfa32483 573 hardlinks = "";
2855f61f 574#endif
1c3344a1
WD		 575#ifdef SUPPORT_ACLS
576 acls = "";
577#endif
16edf865
WD		 578#ifdef SUPPORT_XATTRS
579 xattrs = "";
580#endif
4f5b0756 581#ifdef SUPPORT_LINKS
dfa32483 582 links = "";
2855f61f 583#endif
4f5b0756 584#ifdef INET6
a358449a 585 ipv6 = "";
dfa32483 586#endif
332cf6df
WD		 587#ifdef ICONV_OPTION
588 iconv = "";
589#endif
1ed56a05
WD		 590#if defined HAVE_LUTIMES && defined HAVE_UTIMES
591 symtimes = "";
592#endif
a358449a 593
719522b9 594 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 595 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
fede3785 596 rprintf(f, "Copyright (C) 1996-2008 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD		 597 rprintf(f, "Web site: http://rsync.samba.org/\n");
598 rprintf(f, "Capabilities:\n");
599 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD		 600 (int)(sizeof (OFF_T) * 8),
601 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 602 (int)(sizeof (time_t) * 8),
d619ff13
WD		 603 (int)(sizeof (int64) * 8));
604 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
605 got_socketpair, hardlinks, links, ipv6, have_inplace);
1ed56a05
WD		 606 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
607 have_inplace, acls, xattrs, iconv, symtimes);
2855f61f 608
fc0302cf 609#ifdef MAINTAINER_MODE
29433538 610 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 611#endif
736a6a29 612
031fa9ad
WD		 613#if SIZEOF_INT64 < 8
614 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 615#endif
c561edaa
WD		 616 if (sizeof (int64) != SIZEOF_INT64) {
617 rprintf(f,
618 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
619 (int) SIZEOF_INT64, (int) sizeof (int64));
620 }
7b329a2d 621
b64ee91a
WD		 622 rprintf(f,"\n");
623 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD		 624 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
625 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP		 626}
627
628
0f3203c3 629void usage(enum logcode F)
7a6421fa 630{
2855f61f 631 print_rsync_version(F);
704f908e 632
b64ee91a
WD		 633 rprintf(F,"\n");
634 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 635 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 636
b64ee91a
WD		 637 rprintf(F,"\n");
638 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD		 639 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
640 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
641 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 642 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 643 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 644 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD		 645 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
646 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD		 647 rprintf(F,"\n");
648 rprintf(F,"Options\n");
704f908e 649 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD		 650 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
651 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
b3708acf 652 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 653 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 654 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 655 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 656 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT		 657 rprintf(F," -r, --recursive recurse into directories\n");
658 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 659 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 660 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD		 661 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
662 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
663 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 664 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 665 rprintf(F," --append append data onto shorter files\n");
936fa865 666 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 667 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 668 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD		 669 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
670 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
671 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
2dbf36ef 672 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 673 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 674 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 675 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 676 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 677 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD		 678#ifdef SUPPORT_ACLS
679 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD		 680#endif
681#ifdef SUPPORT_XATTRS
3caafdfd 682 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 683#endif
def97ff9 684 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 685 rprintf(F," -g, --group preserve group\n");
def97ff9 686 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD		 687 rprintf(F," --specials preserve special files\n");
688 rprintf(F," -D same as --devices --specials\n");
42b06481
WD		 689 rprintf(F," -t, --times preserve modification times\n");
690 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
def97ff9 691 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD		 692#ifdef SUPPORT_XATTRS
693 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
694#endif
704f908e 695 rprintf(F," -S, --sparse handle sparse files efficiently\n");
d100e733 696 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 697 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
704f908e 698 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 699 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 700 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 701 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD		 702 rprintf(F," --existing skip creating new files on receiver\n");
703 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 704 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 705 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 706 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD		 707 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
708 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 709 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 710 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 711 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
db2b5cb7 712 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 713 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 714 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 715 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 716 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 717 rprintf(F," --partial keep partially transferred files\n");
a7260c40 718 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 719 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 720 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 721 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
ba22c9e2
WD		 722 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
723 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 724 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 725 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf
WD		 726 rprintf(F," --size-only skip files that match in size\n");
727 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 728 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 729 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 730 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 731 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 732 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 733 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 734 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 735 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 736 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 737 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 738 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 739 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 740 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 741 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 742 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD		 743 rprintf(F," --include-from=FILE read include patterns from FILE\n");
744 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 745 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 746 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
b4ef0bca 747 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 748 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 749 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 750 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 751 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 752 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 753 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 754 rprintf(F," --progress show progress during transfer\n");
b3708acf 755 rprintf(F," -P same as --partial --progress\n");
b78296cb 756 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD		 757 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
758 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
759 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 760 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 761 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD		 762 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
763 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 764 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 765 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 766 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 767#ifdef ICONV_OPTION
84e1a34e 768 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 769#endif
4db88e5b
WD		 770 rprintf(F," -4, --ipv4 prefer IPv4\n");
771 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 772 rprintf(F," --version print version number\n");
375d8f91 773 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 774
b64ee91a
WD		 775 rprintf(F,"\n");
776 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 777 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 778 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT		 779}
780
3ac7f5d4 781enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 782 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 783 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 784 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 785 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
0ccffd7c 786 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 787
2855f61f
MP		 788static struct poptOption long_options[] = {
789 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 790 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 791 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 792 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 793 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 794 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD		 795 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
796 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
e86e2fa1 797 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 798 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
799 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 800 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 801 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 802 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
803 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 804 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 805 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
806 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
807 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 808 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 809 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 810 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 811 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
812 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 813 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 814 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
815 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD		 816 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
817 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD		 818 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
819 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
820 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 821 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 822 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
823 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
824 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 825 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
826 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
827 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
f9998046 828 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
b6164938
WD		 829 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
830 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 831 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 832 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
833 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
38b9170c 834 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 835 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
836 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 837 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 838 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
839 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
840 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
841 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
842 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
843 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 844 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
845 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
846 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 847 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD		 848 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
849 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 850 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 851 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
852 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 853 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
854 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
855 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
2dbf36ef 856 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 857 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 858 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 859 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
860 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 861 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
862 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 863 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 864 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 865 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 866 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
867 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 868 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 869 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
870 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 871 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
28fb6365
WD		 872 {"no-one-file-system",'x',POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
873 {"no-x", 'x', POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 874 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 875 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 876 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 877 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 878 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 879 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD		 880 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
881 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
882 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
883 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
884 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD		 885 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
886 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
887 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 888 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 889 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 890 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 891 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
892 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 893 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
894 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
47c11975
WD		 895 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
896 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD		 897 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
898 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
899 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
900 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD		 901 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
902 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 903 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 904 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
905 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
906 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
907 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 908 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 909 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
910 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 911 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 912 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
913 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
914 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 915 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 916 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 917 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 918 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
852e763b
WD		 919 {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
920 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 921 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 922 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf
WD		 923 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
924 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 925 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
854a1aad 926 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 927 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 928 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
929 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
930 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
931 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 932 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 933 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
934 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD		 935 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
936 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
937 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 938 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 939 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
940 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
941 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 942 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 943 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
944 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
afb6e945 945 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
8487f9cf
WD		 946 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
947 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
948 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 949 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 950 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
951 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 952 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
953 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 954 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 955 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 956 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
957 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD		 958 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
959 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
960 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD		 961 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
962 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
e86e2fa1 963 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 964 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 965 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 966 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD		 967 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
968 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
969 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD		 970#ifdef ICONV_OPTION
971 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 972 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 973#endif
3dd22903
WD		 974 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
975 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD		 976 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
977 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
978 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 979 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD		 980 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
981 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 982 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD		 983 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
984 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
985 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
7a2eca41 986 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD		 987 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
988 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 989 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 990 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
991 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 992 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
993 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
1f35babc 994 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 995 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 996 {0,0,0,0, 0, 0, 0}
997};
998
999static void daemon_usage(enum logcode F)
1000{
1001 print_rsync_version(F);
1002
b64ee91a
WD		 1003 rprintf(F,"\n");
1004 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1005 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 1006 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4
WD		 1007 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
1008 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1009 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1010 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1011 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1012 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1013 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD		 1014 rprintf(F," -4, --ipv4 prefer IPv4\n");
1015 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1016 rprintf(F," --help show this help screen\n");
3ac7f5d4 1017
b64ee91a
WD		 1018 rprintf(F,"\n");
1019 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD		 1020 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1021}
1022
1023static struct poptOption long_daemon_options[] = {
1024 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1025 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1026 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 1027 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1028 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
3ac7f5d4
WD		 1029 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1030 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1031 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1032 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1033 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1034 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1035 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1036 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 1037 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1038 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1039 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1040 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 1041 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1042 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1043 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1044 {0,0,0,0, 0, 0, 0}
2855f61f 1045};
7a6421fa 1046
06963d0f 1047
e51094b7 1048static char err_buf[200];
cd8185f2 1049
2855f61f 1050
dafe63ca
MP		 1051/**
1052 * Store the option error message, if any, so that we can log the
1053 * connection attempt (which requires parsing the options), and then
1054 * show the error later on.
1055 **/
cd8185f2
AT		 1056void option_error(void)
1057{
e51094b7 1058 if (!err_buf[0]) {
c9bce0b8
WD		 1059 strlcpy(err_buf, "Error parsing options: option may "
1060 "be supported on client but not on server?\n",
1061 sizeof err_buf);
cd8185f2 1062 }
e51094b7 1063
e51094b7 1064 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 1065 msleep(20);
cd8185f2
AT		 1066}
1067
dafe63ca
MP		 1068
1069/**
27ed20f7
WD		 1070 * Tweak the option table to disable all options that the rsyncd.conf
1071 * file has told us to refuse.
dafe63ca 1072 **/
27ed20f7 1073static void set_refuse_options(char *bp)
cd8185f2 1074{
27ed20f7 1075 struct poptOption *op;
093e816c 1076 char *cp, shortname[2];
d73e7f6e 1077 int is_wild, found_match;
093e816c
WD		 1078
1079 shortname[1] = '\0';
27ed20f7
WD		 1080
1081 while (1) {
06a50542
WD		 1082 while (*bp == ' ') bp++;
1083 if (!*bp)
1084 break;
27ed20f7
WD		 1085 if ((cp = strchr(bp, ' ')) != NULL)
1086 *cp= '\0';
093e816c 1087 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 1088 found_match = 0;
55afbb52 1089 for (op = long_options; ; op++) {
093e816c 1090 *shortname = op->shortName;
d73e7f6e
WD		 1091 if (!op->longName && !*shortname)
1092 break;
1093 if ((op->longName && wildmatch(bp, op->longName))
684d7582 1094 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD		 1095 if (op->argInfo == POPT_ARG_VAL)
1096 op->argInfo = POPT_ARG_NONE;
06a50542 1097 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 1098 found_match = 1;
3671987f
WD		 1099 /* These flags are set to let us easily check
1100 * an implied option later in the code. */
1101 switch (*shortname) {
3671987f
WD		 1102 case 'r': case 'd': case 'l': case 'p':
1103 case 't': case 'g': case 'o': case 'D':
1104 refused_archive_part = op->val;
1105 break;
854a1aad
WD		 1106 case 'z':
1107 refused_compress = op->val;
1108 break;
3671987f
WD		 1109 case '\0':
1110 if (wildmatch("delete", op->longName))
1111 refused_delete = op->val;
3296f91b
WD		 1112 else if (wildmatch("delete-before", op->longName))
1113 refused_delete_before = op->val;
e0e32031
WD		 1114 else if (wildmatch("delete-during", op->longName))
1115 refused_delete_during = op->val;
3671987f
WD		 1116 else if (wildmatch("partial", op->longName))
1117 refused_partial = op->val;
1118 else if (wildmatch("progress", op->longName))
1119 refused_progress = op->val;
a015788d
WD		 1120 else if (wildmatch("inplace", op->longName))
1121 refused_inplace = op->val;
0b52f94d
WD		 1122 else if (wildmatch("no-iconv", op->longName))
1123 refused_no_iconv = op->val;
3671987f
WD		 1124 break;
1125 }
06a50542
WD		 1126 if (!is_wild)
1127 break;
27ed20f7 1128 }
cd8185f2 1129 }
d73e7f6e
WD		 1130 if (!found_match) {
1131 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1132 bp);
1133 }
27ed20f7
WD		 1134 if (!cp)
1135 break;
1136 *cp = ' ';
1137 bp = cp + 1;
cd8185f2 1138 }
cd8185f2
AT		 1139}
1140
1141
8db7cc2c 1142static int count_args(const char **argv)
2855f61f 1143{
dfa32483 1144 int i = 0;
2855f61f 1145
8db7cc2c
WD		 1146 if (argv) {
1147 while (argv[i] != NULL)
1148 i++;
1149 }
dfa32483
WD		 1150
1151 return i;
2855f61f
MP		 1152}
1153
1154
837d01dd 1155static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1156{
3c19f72c
WD		 1157 int reps, mult, make_compatible = 0;
1158 const char *arg;
1159 OFF_T size = 1;
95e107db 1160
2dc7b8bd 1161 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1162 if (*arg == '.')
2dc7b8bd 1163 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1164 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1165 case 'b': case 'B':
3c19f72c 1166 reps = 0;
837d01dd 1167 break;
95e107db 1168 case 'k': case 'K':
3c19f72c 1169 reps = 1;
95e107db
WD		 1170 break;
1171 case 'm': case 'M':
3c19f72c 1172 reps = 2;
95e107db
WD		 1173 break;
1174 case 'g': case 'G':
3c19f72c 1175 reps = 3;
95e107db
WD		 1176 break;
1177 default:
3c19f72c 1178 return -1;
95e107db 1179 }
3c19f72c
WD		 1180 if (*arg == 'b' || *arg == 'B')
1181 mult = 1000, make_compatible = 1, arg++;
1182 else if (!*arg || *arg == '+' || *arg == '-')
1183 mult = 1024;
1184 else if (strncasecmp(arg, "ib", 2) == 0)
1185 mult = 1024, arg += 2;
1186 else
1187 return -1;
1188 while (reps--)
1189 size *= mult;
1190 size *= atof(*size_arg);
1191 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1192 size += atoi(arg), make_compatible = 1, arg += 2;
1193 if (*arg)
1194 return -1;
aeb213ea 1195 if (size > 0 && make_compatible) {
74de13d1
WD		 1196 /* We convert this manually because we may need %lld precision,
1197 * and that's not a portable sprintf() escape. */
8f14cc49 1198 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1199 OFF_T num = size;
8f14cc49 1200 *s = '\0';
aeb213ea 1201 while (num) {
26404276 1202 *--s = (char)(num % 10) + '0';
aeb213ea
WD		 1203 num /= 10;
1204 }
1205 if (!(*size_arg = strdup(s)))
1206 out_of_memory("parse_size_arg");
1207 }
95e107db
WD		 1208 return size;
1209}
1210
1211
3671987f
WD		 1212static void create_refuse_error(int which)
1213{
1214 /* The "which" value is the index + OPT_REFUSED_BASE. */
1215 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1216 int n = snprintf(err_buf, sizeof err_buf,
1217 "The server is configured to refuse --%s\n",
1218 op->longName) - 1;
1219 if (op->shortName) {
1220 snprintf(err_buf + n, sizeof err_buf - n,
1221 " (-%c)\n", op->shortName);
1222 }
1223}
1224
1225
dafe63ca
MP		 1226/**
1227 * Process command line arguments. Called on both local and remote.
1228 *
1229 * @retval 1 if all options are OK; with globals set to appropriate
1230 * values
1231 *
1232 * @retval 0 on error, with err_buf containing an explanation
1233 **/
53936ef9 1234int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1235{
7a4addaa 1236 static poptContext pc;
ffbffc64
WD		 1237 char *ref = lp_refuse_options(module_id);
1238 const char *arg, **argv = *argv_p;
1239 int argc = *argc_p;
1240 int opt;
d853783f 1241
27ed20f7
WD		 1242 if (ref && *ref)
1243 set_refuse_options(ref);
0b52f94d 1244 if (am_daemon) {
232658d9 1245 set_refuse_options("log-file*");
2357a51e 1246#ifdef ICONV_OPTION
0b52f94d
WD		 1247 if (!*lp_charset(module_id))
1248 set_refuse_options("iconv");
2357a51e 1249#endif
0b52f94d 1250 }
27ed20f7 1251
332cf6df 1252#ifdef ICONV_OPTION
a4453606 1253 if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 1254 iconv_opt = strdup(arg);
1255#endif
1256
dfa32483 1257 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1258
dfa32483
WD		 1259 /* The context leaks in case of an error, but if there's a
1260 * problem we always exit anyhow. */
7a4addaa
WD		 1261 if (pc)
1262 poptFreeContext(pc);
1263 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1264 if (!am_server)
1265 poptReadDefaultConfig(pc, 0);
2855f61f
MP		 1266
1267 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 1268 /* most options are handled automatically by popt;
1269 * only special cases are returned and listed here. */
2855f61f 1270
d853783f
AT		 1271 switch (opt) {
1272 case OPT_VERSION:
dfa32483 1273 print_rsync_version(FINFO);
d853783f 1274 exit_cleanup(0);
dfa32483 1275
0ccffd7c
WD		 1276 case OPT_SERVER:
1277 if (!am_server) {
1278 /* Disable popt aliases on the server side and
1279 * then start parsing the options again. */
1280 poptFreeContext(pc);
ffbffc64 1281 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD		 1282 long_options, 0);
1283 am_server = 1;
1284 }
332cf6df
WD		 1285#ifdef ICONV_OPTION
1286 iconv_opt = NULL;
1287#endif
0ccffd7c
WD		 1288 break;
1289
1290 case OPT_SENDER:
1291 if (!am_server) {
1292 usage(FERROR);
1293 exit_cleanup(RERR_SYNTAX);
1294 }
1295 am_sender = 1;
1296 break;
1297
3ac7f5d4
WD		 1298 case OPT_DAEMON:
1299 if (am_daemon) {
c9bce0b8
WD		 1300 strlcpy(err_buf,
1301 "Attempt to hack rsync thwarted!\n",
1302 sizeof err_buf);
3ac7f5d4
WD		 1303 return 0;
1304 }
332cf6df
WD		 1305#ifdef ICONV_OPTION
1306 iconv_opt = NULL;
1307#endif
3ac7f5d4 1308 poptFreeContext(pc);
ffbffc64 1309 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD		 1310 long_daemon_options, 0);
1311 while ((opt = poptGetNextOpt(pc)) != -1) {
1312 switch (opt) {
1313 case 'h':
1314 daemon_usage(FINFO);
1315 exit_cleanup(0);
1316
1bd9db74
WD		 1317 case 'v':
1318 verbose++;
1319 break;
1320
3ac7f5d4
WD		 1321 default:
1322 rprintf(FERROR,
1323 "rsync: %s: %s (in daemon mode)\n",
1324 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1325 poptStrerror(opt));
1326 goto daemon_error;
1327 }
1328 }
b6e22a47
WD		 1329
1330 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1331 snprintf(err_buf, sizeof err_buf,
1332 "the --temp-dir path is WAY too long.\n");
1333 return 0;
1334 }
1335
3ac7f5d4
WD		 1336 if (!daemon_opt) {
1337 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1338 daemon_error:
1339 rprintf(FERROR,
1340 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1341 exit_cleanup(RERR_SYNTAX);
1342 }
b6e22a47 1343
ffbffc64
WD		 1344 *argv_p = argv = poptGetArgs(pc);
1345 *argc_p = argc = count_args(argv);
7f2a1f65 1346 am_starting_up = 0;
3ac7f5d4
WD		 1347 daemon_opt = 0;
1348 am_daemon = 1;
1349 return 1;
1350
5b56cc19 1351 case OPT_MODIFY_WINDOW:
dfa32483
WD		 1352 /* The value has already been set by popt, but
1353 * we need to remember that we're using a
1354 * non-default setting. */
5b56cc19
AT		 1355 modify_window_set = 1;
1356 break;
1de50993 1357
aa4d3b4c 1358 case OPT_FILTER:
3a5e9224 1359 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT		 1360 break;
1361
aa4d3b4c 1362 case OPT_EXCLUDE:
3a5e9224 1363 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1364 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 1365 break;
1366
d853783f 1367 case OPT_INCLUDE:
3a5e9224 1368 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1369 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT		 1370 break;
1371
1372 case OPT_EXCLUDE_FROM:
93695764 1373 case OPT_INCLUDE_FROM:
7be73df4 1374 arg = poptGetOptArg(pc);
1a7f3d99 1375 if (sanitize_paths)
d48810ba 1376 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1377 if (daemon_filter_list.head) {
200aec7d 1378 int rej;
a1018691 1379 char *dir, *cp = strdup(arg);
d3ef9859
WD		 1380 if (!cp)
1381 out_of_memory("parse_arguments");
3671987f
WD		 1382 if (!*cp)
1383 goto options_rejected;
a1018691
WD		 1384 dir = cp + (*cp == '/' ? module_dirlen : 0);
1385 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1386 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
d3ef9859 1387 free(cp);
200aec7d
WD		 1388 if (rej)
1389 goto options_rejected;
ba3db479 1390 }
3a5e9224
WD		 1391 parse_filter_file(&filter_list, arg,
1392 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1393 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1394 break;
1395
b6164938
WD		 1396 case 'a':
1397 if (refused_archive_part) {
1398 create_refuse_error(refused_archive_part);
1399 return 0;
1400 }
1401 if (!recurse) /* preserve recurse == 2 */
1402 recurse = 1;
1403#ifdef SUPPORT_LINKS
1404 preserve_links = 1;
1405#endif
1406 preserve_perms = 1;
f9998046 1407 preserve_times = 2;
b6164938
WD		 1408 preserve_gid = 1;
1409 preserve_uid = 1;
1410 preserve_devices = 1;
b5c6a6ae
WD		 1411 preserve_specials = 1;
1412 break;
1413
1414 case 'D':
1415 preserve_devices = preserve_specials = 1;
1416 break;
1417
1418 case OPT_NO_D:
1419 preserve_devices = preserve_specials = 0;
b6164938
WD		 1420 break;
1421
3ca9e5d8
WD		 1422 case 'h':
1423 human_readable++;
1424 break;
1425
e0e32031
WD		 1426 case 'H':
1427 preserve_hard_links++;
1428 break;
1429
487094a0
WD		 1430 case 'i':
1431 itemize_changes++;
1432 break;
1433
d853783f
AT		 1434 case 'v':
1435 verbose++;
1436 break;
7a6421fa 1437
b86f0cef 1438 case 'q':
53936ef9 1439 quiet++;
b86f0cef
DD		 1440 break;
1441
243c995f
WD		 1442 case 'x':
1443 one_file_system++;
1444 break;
1445
aa4d3b4c
WD		 1446 case 'F':
1447 switch (++F_option_cnt) {
1448 case 1:
3a5e9224 1449 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD		 1450 break;
1451 case 2:
3a5e9224 1452 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD		 1453 break;
1454 }
1455 break;
1456
d9fcc198 1457 case 'P':
3671987f
WD		 1458 if (refused_partial || refused_progress) {
1459 create_refuse_error(refused_partial
1460 ? refused_partial : refused_progress);
1461 return 0;
1462 }
d9fcc198
AT		 1463 do_progress = 1;
1464 keep_partial = 1;
1465 break;
1466
854a1aad
WD		 1467 case 'z':
1468 if (def_compress_level < Z_DEFAULT_COMPRESSION
1469 || def_compress_level > Z_BEST_COMPRESSION) {
1470 snprintf(err_buf, sizeof err_buf,
1471 "--compress-level value is invalid: %d\n",
1472 def_compress_level);
1473 return 0;
1474 }
1475 do_compression = def_compress_level != Z_NO_COMPRESSION;
1476 if (do_compression && refused_compress) {
1477 create_refuse_error(refused_compress);
1478 return 0;
1479 }
1480 break;
1481
7a2eca41
WD		 1482 case 'M':
1483 arg = poptGetOptArg(pc);
1484 if (*arg != '-') {
1485 snprintf(err_buf, sizeof err_buf,
1486 "Remote option must start with a dash: %s\n", arg);
1487 return 0;
1488 }
1489 if (remote_option_cnt+2 >= remote_option_alloc) {
1490 remote_option_alloc += 16;
1491 remote_options = realloc_array(remote_options,
1492 const char *, remote_option_alloc);
1493 if (!remote_options)
1494 out_of_memory("parse_arguments");
1495 if (!remote_option_cnt)
1496 remote_options[0] = "ARG0";
1497 }
1498 remote_options[++remote_option_cnt] = arg;
1499 remote_options[remote_option_cnt+1] = NULL;
1500 break;
1501
088aac85 1502 case OPT_WRITE_BATCH:
9b3318b0 1503 /* batch_name is already set */
088aac85
DD		 1504 write_batch = 1;
1505 break;
1506
11e758a4
WD		 1507 case OPT_ONLY_WRITE_BATCH:
1508 /* batch_name is already set */
1509 write_batch = -1;
1510 break;
1511
76f79ba7 1512 case OPT_READ_BATCH:
9b3318b0 1513 /* batch_name is already set */
6902ed17
MP		 1514 read_batch = 1;
1515 break;
ea5164d1 1516
0b52f94d 1517 case OPT_NO_ICONV:
15dbffc2 1518#ifdef ICONV_OPTION
0b52f94d 1519 iconv_opt = NULL;
15dbffc2 1520#endif
0b52f94d
WD		 1521 break;
1522
7d5acf1d 1523 case OPT_MAX_SIZE:
837d01dd 1524 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1525 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD		 1526 "--max-size value is invalid: %s\n",
1527 max_size_arg);
e012f858 1528 return 0;
7d5acf1d
WD		 1529 }
1530 break;
1531
74de13d1
WD		 1532 case OPT_MIN_SIZE:
1533 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1534 snprintf(err_buf, sizeof err_buf,
1535 "--min-size value is invalid: %s\n",
1536 min_size_arg);
1537 return 0;
1538 }
1539 break;
1540
936fa865
WD		 1541 case OPT_APPEND:
1542 if (am_server)
1543 append_mode++;
1544 else
1545 append_mode = 1;
1546 break;
1547
59c95e42 1548 case OPT_LINK_DEST:
fcecb70b 1549#ifdef SUPPORT_HARD_LINKS
59c95e42 1550 link_dest = 1;
e012f858
WD		 1551 dest_option = "--link-dest";
1552 goto set_dest_dir;
59c95e42 1553#else
d175d7e1 1554 snprintf(err_buf, sizeof err_buf,
dfa32483 1555 "hard links are not supported on this %s\n",
59c95e42 1556 am_server ? "server" : "client");
59c95e42
DD		 1557 return 0;
1558#endif
1559
1de3e99b
WD		 1560 case OPT_COPY_DEST:
1561 copy_dest = 1;
1562 dest_option = "--copy-dest";
1563 goto set_dest_dir;
1564
e012f858
WD		 1565 case OPT_COMPARE_DEST:
1566 compare_dest = 1;
1567 dest_option = "--compare-dest";
1568 set_dest_dir:
3b26bba0 1569 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1570 snprintf(err_buf, sizeof err_buf,
1571 "ERROR: at most %d %s args may be specified\n",
1572 MAX_BASIS_DIRS, dest_option);
1573 return 0;
1574 }
ad77db8b
WD		 1575 /* We defer sanitizing this arg until we know what
1576 * our destination directory is going to be. */
1577 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1578 break;
1579
e16adcdf
WD		 1580 case OPT_CHMOD:
1581 arg = poptGetOptArg(pc);
bbe42182 1582 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD		 1583 snprintf(err_buf, sizeof err_buf,
1584 "Invalid argument passed to --chmod (%s)\n",
1585 arg);
1586 return 0;
1587 }
1588 break;
1589
951e826b
WD		 1590 case OPT_INFO:
1591 arg = poptGetOptArg(pc);
1592 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1593 break;
1594
1595 case OPT_DEBUG:
1596 arg = poptGetOptArg(pc);
1597 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1598 break;
1599
f5a910dd
WD		 1600 case OPT_HELP:
1601 usage(FINFO);
1602 exit_cleanup(0);
1603
1c3344a1
WD		 1604 case 'A':
1605#ifdef SUPPORT_ACLS
1606 preserve_acls = 1;
1607 preserve_perms = 1;
1608 break;
1609#else
1610 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1611 * warning and then countermeasures taken to
1612 * restrict group and other access in the presence
1613 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1614 * for now */
1615 snprintf(err_buf,sizeof(err_buf),
1616 "ACLs are not supported on this %s\n",
1617 am_server ? "server" : "client");
1618 return 0;
1619#endif
1620
16edf865
WD		 1621 case 'X':
1622#ifdef SUPPORT_XATTRS
524eaa82 1623 preserve_xattrs++;
16edf865
WD		 1624 break;
1625#else
1626 snprintf(err_buf,sizeof(err_buf),
1627 "extended attributes are not supported on this %s\n",
1628 am_server ? "server" : "client");
1629 return 0;
1630#endif
1c3344a1 1631
d853783f 1632 default:
55afbb52 1633 /* A large opt value means that set_refuse_options()
3671987f 1634 * turned this option off. */
c67d1386 1635 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1636 create_refuse_error(opt);
1637 return 0;
27ed20f7 1638 }
3671987f
WD		 1639 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1640 am_server ? "on remote machine: " : "",
1641 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1642 poptStrerror(opt));
dfa32483 1643 return 0;
d853783f 1644 }
7a6421fa 1645 }
2855f61f 1646
20893751 1647 if (human_readable && argc == 2 && !am_server) {
3ca9e5d8 1648 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1649 usage(FINFO);
1650 exit_cleanup(0);
1651 }
1652
951e826b
WD		 1653 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1654
1655 if (do_stats && !am_server) {
1656 parse_output_words(info_words, info_levels,
1657 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1658 }
1659
332cf6df 1660#ifdef ICONV_OPTION
a4453606 1661 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 1662 if (!am_server && strcmp(iconv_opt, "-") == 0)
1663 iconv_opt = NULL;
1664 else
1665 need_unsorted_flist = 1;
1666 }
0b52f94d
WD		 1667 if (refused_no_iconv && !iconv_opt) {
1668 create_refuse_error(refused_no_iconv);
1669 return 0;
1670 }
332cf6df
WD		 1671#endif
1672
53936ef9
WD		 1673 if (protect_args == 1 && am_server)
1674 return 1;
a4453606 1675
73cb6738
WD		 1676 *argv_p = argv = poptGetArgs(pc);
1677 *argc_p = argc = count_args(argv);
1678
4f5b0756 1679#ifndef SUPPORT_LINKS
54e87b4b 1680 if (preserve_links && !am_sender) {
e1add893
WD		 1681 snprintf(err_buf, sizeof err_buf,
1682 "symlinks are not supported on this %s\n",
1683 am_server ? "server" : "client");
e1add893
WD		 1684 return 0;
1685 }
1686#endif
1687
4f5b0756 1688#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 1689 if (preserve_hard_links) {
1690 snprintf(err_buf, sizeof err_buf,
1691 "hard links are not supported on this %s\n",
1692 am_server ? "server" : "client");
e1add893
WD		 1693 return 0;
1694 }
1695#endif
1696
cbbd8e2e
WD		 1697#ifdef SUPPORT_XATTRS
1698 if (am_root < 0 && preserve_xattrs > 1) {
1699 snprintf(err_buf, sizeof err_buf,
1700 "--fake-super conflicts with -XX\n");
1701 return 0;
1702 }
1703#else
9439c0cb
WD		 1704 if (am_root < 0) {
1705 snprintf(err_buf, sizeof err_buf,
1706 "--fake-super requires an rsync with extended attributes enabled\n");
1707 return 0;
1708 }
1709#endif
1710
088aac85 1711 if (write_batch && read_batch) {
c3ea0990 1712 snprintf(err_buf, sizeof err_buf,
36119893 1713 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1714 return 0;
088aac85 1715 }
11e758a4 1716 if (write_batch > 0 || read_batch) {
94327ff0
WD		 1717 if (am_server) {
1718 rprintf(FINFO,
1719 "ignoring --%s-batch option sent to server\n",
1720 write_batch ? "write" : "read");
1721 /* We don't actually exit_cleanup(), so that we can
1722 * still service older version clients that still send
1723 * batch args to server. */
1724 read_batch = write_batch = 0;
1725 batch_name = NULL;
254ee3ba
WD		 1726 } else if (dry_run)
1727 write_batch = 0;
69e2b4ee
WD		 1728 } else if (write_batch < 0 && dry_run)
1729 write_batch = 0;
36119893 1730 if (read_batch && files_from) {
c3ea0990 1731 snprintf(err_buf, sizeof err_buf,
36119893 1732 "--read-batch cannot be used with --files-from\n");
c3ea0990 1733 return 0;
36119893 1734 }
9b3318b0 1735 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1736 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 1737 "the batch-file name must be %d characters or less.\n",
1738 MAX_BATCH_NAME_LEN);
c3ea0990 1739 return 0;
beb93684 1740 }
088aac85 1741
ce58b1b4 1742 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 1743 snprintf(err_buf, sizeof err_buf,
1744 "the --temp-dir path is WAY too long.\n");
1745 return 0;
ce58b1b4
WD		 1746 }
1747
7b9598b2
WD		 1748 if (max_delete < 0 && max_delete != INT_MIN) {
1749 /* Negative numbers are treated as "no deletions". */
1750 max_delete = 0;
1751 }
1752
1de3e99b 1753 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1754 snprintf(err_buf, sizeof err_buf,
1de3e99b 1755 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD		 1756 return 0;
1757 }
1758
b6164938
WD		 1759 if (files_from) {
1760 if (recurse == 1) /* preserve recurse == 2 */
1761 recurse = 0;
550d4e23 1762 if (xfer_dirs < 0)
b6164938 1763 xfer_dirs = 1;
dfa32483 1764 }
51d48398 1765
20893751 1766 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD		 1767 list_only |= 1;
1768
1769 if (xfer_dirs >= 4) {
1770 parse_rule(&filter_list, "- /*/*", 0, 0);
1771 recurse = xfer_dirs = 1;
1772 } else if (recurse)
1773 xfer_dirs = 1;
1774 else if (xfer_dirs < 0)
1775 xfer_dirs = list_only ? 1 : 0;
dfa32483 1776
ea5164d1
WD		 1777 if (relative_paths < 0)
1778 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 1779 if (!relative_paths)
1780 implied_dirs = 0;
ea5164d1 1781
e0e32031 1782 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1783 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1784 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 1785 return 0;
1786 }
f5a910dd 1787 if (delete_before || delete_during || delete_after)
51d48398 1788 delete_mode = 1;
3296f91b 1789 else if (delete_mode || delete_excluded) {
e0e32031 1790 /* Only choose now between before & during if one is refused. */
3296f91b 1791 if (refused_delete_before) {
e0e32031
WD		 1792 if (!refused_delete_during)
1793 delete_during = 1;
1794 else {
1795 create_refuse_error(refused_delete_before);
1796 return 0;
1797 }
1798 } else if (refused_delete_during)
1799 delete_before = 1;
1800 delete_mode = 1;
3296f91b 1801 }
89fb5026
WD		 1802 if (!xfer_dirs && delete_mode) {
1803 snprintf(err_buf, sizeof err_buf,
1804 "--delete does not work without -r or -d.\n");
1805 return 0;
f5a910dd 1806 }
51d48398 1807
3671987f
WD		 1808 if (delete_mode && refused_delete) {
1809 create_refuse_error(refused_delete);
1810 return 0;
1811 }
1812
47c11975
WD		 1813 if (remove_source_files) {
1814 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 1815 * via the refusal of "delete", not any of the "delete-FOO"
1816 * options. */
1817 if (refused_delete && am_sender) {
1818 create_refuse_error(refused_delete);
1819 return 0;
1820 }
1821 need_messages_from_generator = 1;
1822 }
1823
7be73df4
WD		 1824 if (sanitize_paths) {
1825 int i;
ffbffc64 1826 for (i = argc; i-- > 0; )
d48810ba 1827 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 1828 if (tmpdir)
d48810ba 1829 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 1830 if (backup_dir)
d48810ba 1831 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 1832 }
819bfe45
WD		 1833 if (daemon_filter_list.head && !am_sender) {
1834 struct filter_list_struct *elp = &daemon_filter_list;
c3ea0990 1835 if (tmpdir) {
a1018691 1836 char *dir;
3671987f
WD		 1837 if (!*tmpdir)
1838 goto options_rejected;
a1018691
WD		 1839 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
1840 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1841 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD		 1842 goto options_rejected;
1843 }
c3ea0990 1844 if (backup_dir) {
a1018691 1845 char *dir;
3671987f
WD		 1846 if (!*backup_dir)
1847 goto options_rejected;
a1018691
WD		 1848 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
1849 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1850 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 1851 goto options_rejected;
c3ea0990
WD		 1852 }
1853 }
7be73df4 1854
d175d7e1 1855 if (!backup_suffix)
e0391f81 1856 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1857 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1858 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 1859 snprintf(err_buf, sizeof err_buf,
1860 "--suffix cannot contain slashes: %s\n",
80ddadb7 1861 backup_suffix);
c3ea0990 1862 return 0;
80ddadb7 1863 }
e0391f81
WD		 1864 if (backup_dir) {
1865 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1866 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1867 if (backup_dir_remainder < 32) {
c3ea0990
WD		 1868 snprintf(err_buf, sizeof err_buf,
1869 "the --backup-dir path is WAY too long.\n");
1870 return 0;
e0391f81
WD		 1871 }
1872 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1873 backup_dir_buf[backup_dir_len++] = '/';
1874 backup_dir_buf[backup_dir_len] = '\0';
1875 }
951e826b 1876 if (INFO_GTE(BACKUP, 1) && !am_sender)
0ee6ca98 1877 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 1878 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 1879 snprintf(err_buf, sizeof err_buf,
d175d7e1 1880 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 1881 return 0;
eb8f5c74
WD		 1882 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1883 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 1884 "P *%s", backup_suffix);
eb8f5c74 1885 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 1886 }
fbd91cae
WD		 1887
1888 if (make_backups && !backup_dir) {
1889 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
1890 if (preserve_times > 1)
1891 preserve_times = 1;
1892 } else if (omit_dir_times) {
1893 if (preserve_times > 1)
1894 preserve_times = 1;
1895 }
d175d7e1 1896
b3e4e7ef
WD		 1897 if (stdout_format) {
1898 if (am_server && log_format_has(stdout_format, 'I'))
1899 stdout_format_has_i = 2;
1900 else if (log_format_has(stdout_format, 'i'))
1901 stdout_format_has_i = itemize_changes | 1;
1902 if (!log_format_has(stdout_format, 'b')
1903 && !log_format_has(stdout_format, 'c'))
e7651884
WD		 1904 log_before_transfer = !am_server;
1905 } else if (itemize_changes) {
b3e4e7ef
WD		 1906 stdout_format = "%i %n%L";
1907 stdout_format_has_i = itemize_changes;
e7651884
WD		 1908 log_before_transfer = !am_server;
1909 }
87383697 1910
951e826b
WD		 1911 if (do_progress && !am_server) {
1912 if (!log_before_transfer && INFO_EQ(NAME, 0))
1913 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
1914 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 1915 }
87383697 1916
11e758a4
WD		 1917 if (dry_run)
1918 do_xfers = 0;
1919
9ac756c6
WD		 1920 set_io_timeout(io_timeout);
1921
951e826b 1922 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 1923 stdout_format = "%n%L";
87383697 1924 log_before_transfer = !am_server;
3671987f 1925 }
b3e4e7ef
WD		 1926 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1927 stdout_format_has_o_or_i = 1;
e2559dbe 1928
232658d9 1929 if (logfile_name && !am_daemon) {
b3e4e7ef 1930 if (!logfile_format) {
232658d9 1931 logfile_format = "%i %n%L";
87c0f9d6 1932 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 1933 } else {
1934 if (log_format_has(logfile_format, 'i'))
19b85876 1935 logfile_format_has_i = 1;
b3e4e7ef
WD		 1936 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1937 logfile_format_has_o_or_i = 1;
87c0f9d6 1938 }
6dc9b74b 1939 log_init(0);
2873603a
WD		 1940 } else if (!am_daemon)
1941 logfile_format = NULL;
87c0f9d6 1942
9fb08441
WD		 1943 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1944 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 1945 if (bwlimit) {
1946 bwlimit_writemax = (size_t)bwlimit * 128;
1947 if (bwlimit_writemax < 512)
1948 bwlimit_writemax = 512;
1949 }
1950
cfce9f6d 1951 if (sparse_files && inplace) {
c3851185 1952 /* Note: we don't check for this below, because --append is
cfce9f6d
WD		 1953 * OK with --sparse (as long as redos are handled right). */
1954 snprintf(err_buf, sizeof err_buf,
1955 "--sparse cannot be used with --inplace\n");
1956 return 0;
1957 }
1958
a015788d
WD		 1959 if (append_mode) {
1960 if (whole_file > 0) {
1961 snprintf(err_buf, sizeof err_buf,
1962 "--append cannot be used with --whole-file\n");
1963 return 0;
1964 }
1965 if (refused_inplace) {
1966 create_refuse_error(refused_inplace);
1967 return 0;
1968 }
1969 inplace = 1;
1970 }
1971
f06e7082 1972 if (delay_updates && !partial_dir)
77860bac 1973 partial_dir = tmp_partialdir;
f06e7082 1974
a3221d2a 1975 if (inplace) {
4f5b0756 1976#ifdef HAVE_FTRUNCATE
a7260c40
WD		 1977 if (partial_dir) {
1978 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1979 "--%s cannot be used with --%s\n",
1980 append_mode ? "append" : "inplace",
f06e7082 1981 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 1982 return 0;
1983 }
3671987f
WD		 1984 /* --inplace implies --partial for refusal purposes, but we
1985 * clear the keep_partial flag for internal logic purposes. */
1986 if (refused_partial) {
1987 create_refuse_error(refused_partial);
1988 return 0;
1989 }
a3221d2a 1990 keep_partial = 0;
ded4daf0
WD		 1991#else
1992 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 1993 "--%s is not supported on this %s\n",
1994 append_mode ? "append" : "inplace",
ded4daf0
WD		 1995 am_server ? "server" : "client");
1996 return 0;
1997#endif
075aa18f 1998 } else {
bc880cb8 1999 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 2000 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2001 partial_dir = strdup(arg);
2002 }
075aa18f 2003 if (partial_dir) {
3671987f 2004 if (*partial_dir)
b58bfb2f 2005 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 2006 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2007 partial_dir = NULL;
3671987f
WD		 2008 if (!partial_dir && refused_partial) {
2009 create_refuse_error(refused_partial);
2010 return 0;
2011 }
075aa18f
WD		 2012 keep_partial = 1;
2013 }
a3221d2a
WD		 2014 }
2015
ea5164d1 2016 if (files_from) {
305666bf
WD		 2017 char *h, *p;
2018 int q;
ffbffc64 2019 if (argc > 2 || (!am_daemon && argc == 1)) {
ea5164d1
WD		 2020 usage(FERROR);
2021 exit_cleanup(RERR_SYNTAX);
2022 }
63596e1c 2023 if (strcmp(files_from, "-") == 0) {
ea5164d1 2024 filesfrom_fd = 0;
63596e1c 2025 if (am_server)
305666bf
WD		 2026 filesfrom_host = ""; /* reading from socket */
2027 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2028 if (am_server) {
305666bf
WD		 2029 snprintf(err_buf, sizeof err_buf,
2030 "The --files-from sent to the server cannot specify a host.\n");
2031 return 0;
ea5164d1 2032 }
305666bf
WD		 2033 files_from = p;
2034 filesfrom_host = h;
2035 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 2036 snprintf(err_buf, sizeof err_buf,
2037 "Invalid --files-from remote filename\n");
2038 return 0;
ea5164d1
WD		 2039 }
2040 } else {
305666bf 2041 if (sanitize_paths)
d48810ba 2042 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2043 if (daemon_filter_list.head) {
a1018691 2044 char *dir;
305666bf
WD		 2045 if (!*files_from)
2046 goto options_rejected;
a1018691
WD		 2047 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2048 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2049 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD		 2050 goto options_rejected;
2051 }
ea5164d1
WD		 2052 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2053 if (filesfrom_fd < 0) {
c3ea0990
WD		 2054 snprintf(err_buf, sizeof err_buf,
2055 "failed to open files-from file %s: %s\n",
2056 files_from, strerror(errno));
2057 return 0;
ea5164d1
WD		 2058 }
2059 }
2060 }
2061
7f2a1f65
WD		 2062 am_starting_up = 0;
2063
b11ed3b1 2064 return 1;
f0fa8c6d
WD		 2065
2066 options_rejected:
2067 snprintf(err_buf, sizeof err_buf,
2068 "Your options have been rejected by the server.\n");
2069 return 0;
7a6421fa
AT		 2070}
2071
2072
dafe63ca
MP		 2073/**
2074 * Construct a filtered list of options to pass through from the
2075 * client to the server.
2076 *
2077 * This involves setting options that will tell the server how to
2078 * behave, and also filtering out options that are processed only
2079 * locally.
2080 **/
ffbffc64 2081void server_options(char **args, int *argc_p)
7a6421fa 2082{
74ba98a5 2083 static char argstr[64];
ffbffc64 2084 int ac = *argc_p;
951e826b 2085 short where;
f98c60bf 2086 char *arg;
d853783f
AT		 2087 int i, x;
2088
def97ff9 2089 /* This should always remain first on the server's command-line. */
d853783f
AT		 2090 args[ac++] = "--server";
2091
e208631a 2092 if (daemon_over_rsh > 0) {
1312d9fc 2093 args[ac++] = "--daemon";
ffbffc64 2094 *argc_p = ac;
1312d9fc
WD		 2095 /* if we're passing --daemon, we're done */
2096 return;
2097 }
2098
d853783f
AT		 2099 if (!am_sender)
2100 args[ac++] = "--sender";
2101
2102 x = 1;
2103 argstr[0] = '-';
a4453606
WD		 2104
2105 if (protect_args)
2106 argstr[x++] = 's';
2107
f98c60bf 2108 for (i = 0; i < verbose; i++)
d853783f 2109 argstr[x++] = 'v';
f0b36a48 2110
b86f0cef 2111 /* the -q option is intentionally left out */
d853783f
AT		 2112 if (make_backups)
2113 argstr[x++] = 'b';
2114 if (update_only)
2115 argstr[x++] = 'u';
2dbf36ef 2116 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 2117 argstr[x++] = 'n';
2118 if (preserve_links)
2119 argstr[x++] = 'l';
73cb6738
WD		 2120 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2121 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2122 argstr[x++] = 'd';
35bf8fa0
WD		 2123 if (am_sender) {
2124 if (keep_dirlinks)
2125 argstr[x++] = 'K';
876c9936
WD		 2126 if (prune_empty_dirs)
2127 argstr[x++] = 'm';
f9998046 2128 if (omit_dir_times)
35bf8fa0 2129 argstr[x++] = 'O';
2dbf36ef
WD		 2130 } else {
2131 if (copy_links)
2132 argstr[x++] = 'L';
2133 if (copy_dirlinks)
2134 argstr[x++] = 'k';
35bf8fa0 2135 }
1bfbf40b 2136
dfa32483 2137 if (whole_file > 0)
d853783f 2138 argstr[x++] = 'W';
bceec82f
MP		 2139 /* We don't need to send --no-whole-file, because it's the
2140 * default for remote transfers, and in any case old versions
2141 * of rsync will not understand it. */
dfa32483 2142
e0e32031 2143 if (preserve_hard_links) {
d853783f 2144 argstr[x++] = 'H';
e0e32031
WD		 2145 if (preserve_hard_links > 1)
2146 argstr[x++] = 'H';
2147 }
d853783f
AT		 2148 if (preserve_uid)
2149 argstr[x++] = 'o';
2150 if (preserve_gid)
2151 argstr[x++] = 'g';
b5c6a6ae 2152 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT		 2153 argstr[x++] = 'D';
2154 if (preserve_times)
2155 argstr[x++] = 't';
2156 if (preserve_perms)
2157 argstr[x++] = 'p';
344f9ba7
WD		 2158 else if (preserve_executability && am_sender)
2159 argstr[x++] = 'E';
1c3344a1
WD		 2160#ifdef SUPPORT_ACLS
2161 if (preserve_acls)
2162 argstr[x++] = 'A';
16edf865
WD		 2163#endif
2164#ifdef SUPPORT_XATTRS
524eaa82 2165 if (preserve_xattrs) {
16edf865 2166 argstr[x++] = 'X';
524eaa82
WD		 2167 if (preserve_xattrs > 1)
2168 argstr[x++] = 'X';
2169 }
1c3344a1 2170#endif
aa7a6e87 2171 if (recurse)
d853783f
AT		 2172 argstr[x++] = 'r';
2173 if (always_checksum)
2174 argstr[x++] = 'c';
2175 if (cvs_exclude)
2176 argstr[x++] = 'C';
2177 if (ignore_times)
2178 argstr[x++] = 'I';
2179 if (relative_paths)
2180 argstr[x++] = 'R';
243c995f 2181 if (one_file_system) {
d853783f 2182 argstr[x++] = 'x';
243c995f
WD		 2183 if (one_file_system > 1)
2184 argstr[x++] = 'x';
2185 }
d853783f
AT		 2186 if (sparse_files)
2187 argstr[x++] = 'S';
2188 if (do_compression)
2189 argstr[x++] = 'z';
f0b36a48 2190
29703623
WD		 2191 set_allow_inc_recurse();
2192
2193 /* Checking the pre-negotiated value allows --protocol=29 override. */
2194 if (protocol_version >= 30) {
2195 /* We make use of the -e option to let the server know about
2196 * any pre-release protocol version && some behavior flags. */
2197 argstr[x++] = 'e';
2ed790f3 2198#if SUBPROTOCOL_VERSION != 0
29703623
WD		 2199 if (protocol_version == PROTOCOL_VERSION) {
2200 x += snprintf(argstr+x, sizeof argstr - x,
2201 "%d.%d",
2202 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2203 } else
2ed790f3 2204#endif
29703623
WD		 2205 argstr[x++] = '.';
2206 if (allow_inc_recurse)
2207 argstr[x++] = 'i';
1ed56a05 2208#if defined HAVE_LUTIMES && defined HAVE_UTIMES
29703623 2209 argstr[x++] = 'L';
1ed56a05 2210#endif
29703623
WD		 2211 }
2212
951e826b 2213 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD		 2214 rprintf(FERROR, "argstr overflow in server_options().\n");
2215 exit_cleanup(RERR_MALLOC);
2216 }
2217
951e826b
WD		 2218 argstr[x] = '\0';
2219
1ed56a05 2220 args[ac++] = argstr;
d853783f 2221
a4453606
WD		 2222#ifdef ICONV_OPTION
2223 if (iconv_opt) {
2224 char *set = strchr(iconv_opt, ',');
2225 if (set)
2226 set++;
2227 else
2228 set = iconv_opt;
2229 if (asprintf(&arg, "--iconv=%s", set) < 0)
2230 goto oom;
2231 args[ac++] = arg;
2232 }
2233#endif
2234
53936ef9 2235 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD		 2236 args[ac++] = NULL;
2237
51d48398
WD		 2238 if (list_only > 1)
2239 args[ac++] = "--list-only";
2240
f5a910dd
WD		 2241 /* This makes sure that the remote rsync can handle deleting with -d
2242 * sans -r because the --no-r option was added at the same time. */
2243 if (xfer_dirs && !recurse && delete_mode && am_sender)
2244 args[ac++] = "--no-r";
2245
854a1aad
WD		 2246 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2247 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2248 goto oom;
2249 args[ac++] = arg;
2250 }
2251
b5c6a6ae
WD		 2252 if (preserve_devices) {
2253 /* Note: sending "--devices" would not be backward-compatible. */
2254 if (!preserve_specials)
2255 args[ac++] = "--no-specials"; /* -D is already set. */
2256 } else if (preserve_specials)
2257 args[ac++] = "--specials";
2258
5c5e1598
WD		 2259 /* The server side doesn't use our log-format, but in certain
2260 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 2261 if (stdout_format && am_sender) {
2262 /* Use --log-format, not --out-format, for compatibility. */
2263 if (stdout_format_has_i > 1)
487094a0 2264 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2265 else if (stdout_format_has_i)
684d7582 2266 args[ac++] = "--log-format=%i";
b3e4e7ef 2267 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 2268 args[ac++] = "--log-format=%o";
2269 else if (!verbose)
2270 args[ac++] = "--log-format=X";
2271 }
1f30a674 2272
195bd906 2273 if (block_size) {
a06b419d 2274 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD		 2275 goto oom;
2276 args[ac++] = arg;
dfa32483 2277 }
d853783f
AT		 2278
2279 if (io_timeout) {
f98c60bf
WD		 2280 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2281 goto oom;
2282 args[ac++] = arg;
dfa32483 2283 }
d853783f 2284
ef5d23eb 2285 if (bwlimit) {
f98c60bf
WD		 2286 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2287 goto oom;
2288 args[ac++] = arg;
ef5d23eb
DD		 2289 }
2290
d175d7e1
WD		 2291 if (backup_dir) {
2292 args[ac++] = "--backup-dir";
2293 args[ac++] = backup_dir;
2294 }
2295
2296 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2297 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2298 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD		 2299 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2300 goto oom;
2301 args[ac++] = arg;
d853783f
AT		 2302 }
2303
06a50542 2304 if (am_sender) {
7b9598b2
WD		 2305 if (max_delete > 0) {
2306 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2307 goto oom;
2308 args[ac++] = arg;
2309 } else if (max_delete == 0)
d6ca255c 2310 args[ac++] = "--max-delete=-1";
7b9598b2
WD		 2311 if (min_size) {
2312 args[ac++] = "--min-size";
2313 args[ac++] = min_size_arg;
2314 }
2315 if (max_size) {
2316 args[ac++] = "--max-size";
2317 args[ac++] = max_size_arg;
2318 }
e0e32031 2319 if (delete_before)
c6eb7fad 2320 args[ac++] = "--delete-before";
0d152437
WD		 2321 else if (delete_during == 2)
2322 args[ac++] = "--delete-delay";
2323 else if (delete_during)
2324 args[ac++] = "--delete-during";
2325 else if (delete_after)
06a50542 2326 args[ac++] = "--delete-after";
e0e32031
WD		 2327 else if (delete_mode && !delete_excluded)
2328 args[ac++] = "--delete";
2329 if (delete_excluded)
2330 args[ac++] = "--delete-excluded";
06a50542
WD		 2331 if (force_delete)
2332 args[ac++] = "--force";
11e758a4
WD		 2333 if (write_batch < 0)
2334 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 2335 if (am_root > 1)
2336 args[ac++] = "--super";
f17e769e
WD		 2337 if (size_only)
2338 args[ac++] = "--size-only";
b1e436ec
WD		 2339 } else {
2340 if (skip_compress) {
2341 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2342 goto oom;
2343 args[ac++] = arg;
2344 }
06a50542 2345 }
b33b791e 2346
5b56cc19 2347 if (modify_window_set) {
f98c60bf
WD		 2348 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
2349 goto oom;
2350 args[ac++] = arg;
5b56cc19
AT		 2351 }
2352
c8d895de 2353 if (checksum_seed) {
221ddb94 2354 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 2355 goto oom;
2356 args[ac++] = arg;
2357 }
2358
a7260c40 2359 if (partial_dir && am_sender) {
77860bac 2360 if (partial_dir != tmp_partialdir) {
3671987f
WD		 2361 args[ac++] = "--partial-dir";
2362 args[ac++] = partial_dir;
2363 }
f06e7082
WD		 2364 if (delay_updates)
2365 args[ac++] = "--delay-updates";
77860bac 2366 } else if (keep_partial && am_sender)
d853783f
AT		 2367 args[ac++] = "--partial";
2368
ef55c686
AT		 2369 if (ignore_errors)
2370 args[ac++] = "--ignore-errors";
2371
b5313607
DD		 2372 if (copy_unsafe_links)
2373 args[ac++] = "--copy-unsafe-links";
2374
d853783f
AT		 2375 if (safe_symlinks)
2376 args[ac++] = "--safe-links";
2377
2378 if (numeric_ids)
2379 args[ac++] = "--numeric-ids";
2380
95def6d9
WD		 2381 if (use_qsort)
2382 args[ac++] = "--use-qsort";
2383
4f3797c7
WD		 2384 if (am_sender) {
2385 if (ignore_existing)
2386 args[ac++] = "--ignore-existing";
2387
2388 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2389 if (ignore_non_existing)
2390 args[ac++] = "--existing";
3d6feada 2391
4f3797c7
WD		 2392 if (tmpdir) {
2393 args[ac++] = "--temp-dir";
2394 args[ac++] = tmpdir;
2395 }
2396
2397 if (basis_dir[0]) {
2398 /* the server only needs this option if it is not the sender,
2399 * and it may be an older version that doesn't know this
2400 * option, so don't send it if client is the sender.
2401 */
4f3797c7
WD		 2402 for (i = 0; i < basis_dir_cnt; i++) {
2403 args[ac++] = dest_option;
2404 args[ac++] = basis_dir[i];
2405 }
2406 }
2407 }
e90aab49 2408
951e826b
WD		 2409 /* What flags do we need to send to the other side? */
2410 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2411 arg = make_output_option(info_words, info_levels, where);
2412 if (arg)
2413 args[ac++] = arg;
2414
2415 arg = make_output_option(debug_words, debug_levels, where);
2416 if (arg)
2417 args[ac++] = arg;
2418
936fa865
WD		 2419 if (append_mode) {
2420 if (append_mode > 1)
2421 args[ac++] = "--append";
a015788d 2422 args[ac++] = "--append";
936fa865 2423 } else if (inplace)
a3221d2a
WD		 2424 args[ac++] = "--inplace";
2425
305666bf
WD		 2426 if (files_from && (!am_sender || filesfrom_host)) {
2427 if (filesfrom_host) {
ea5164d1 2428 args[ac++] = "--files-from";
305666bf 2429 args[ac++] = files_from;
ea5164d1
WD		 2430 if (eol_nulls)
2431 args[ac++] = "--from0";
2432 } else {
2433 args[ac++] = "--files-from=-";
2434 args[ac++] = "--from0";
2435 }
c0ab28d1
WD		 2436 if (!relative_paths)
2437 args[ac++] = "--no-relative";
ea5164d1 2438 }
33a04593
WD		 2439 /* It's OK that this checks the upper-bound of the protocol_version. */
2440 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2441 args[ac++] = "--no-implied-dirs";
ea5164d1 2442
c4ed1487
WD		 2443 if (fuzzy_basis && am_sender)
2444 args[ac++] = "--fuzzy";
2445
47c11975
WD		 2446 if (remove_source_files == 1)
2447 args[ac++] = "--remove-source-files";
2448 else if (remove_source_files)
07c6ae7d
WD		 2449 args[ac++] = "--remove-sent-files";
2450
7a2eca41
WD		 2451 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2452 rprintf(FERROR, "argc overflow in server_options().\n");
2453 exit_cleanup(RERR_MALLOC);
2454 }
2455
2456 if (remote_option_cnt) {
2457 int j;
2458 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2459 rprintf(FERROR, "too many remote options specified.\n");
2460 exit_cleanup(RERR_SYNTAX);
2461 }
2462 for (j = 1; j <= remote_option_cnt; j++)
2463 args[ac++] = (char*)remote_options[j];
2464 }
2465
ffbffc64 2466 *argc_p = ac;
f98c60bf
WD		 2467 return;
2468
2469 oom:
2470 out_of_memory("server_options");
7a6421fa
AT		 2471}
2472
305666bf
WD		 2473/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2474 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2475 * memory with the HOST. If a daemon-accessing spec was specified, the value
2476 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2477 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2478 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2479 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2480char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2481{
305666bf
WD		 2482 char *p;
2483 int not_host;
8f4ae68c 2484 int hostlen;
305666bf
WD		 2485
2486 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2487 char *path;
305666bf
WD		 2488 s += strlen(URL_PREFIX);
2489 if ((p = strchr(s, '/')) != NULL) {
2490 hostlen = p - s;
2491 path = p + 1;
2492 } else {
2493 hostlen = strlen(s);
2494 path = "";
2495 }
2496 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
2497 s++;
2498 hostlen = p - s;
c60b7056
WD		 2499 if (p[1] == ':')
2500 *port_ptr = atoi(p+2);
305666bf 2501 } else {
444f9f7b 2502 if ((p = strchr(s, ':')) != NULL && p < s + hostlen) {
305666bf
WD		 2503 hostlen = p - s;
2504 *port_ptr = atoi(p+1);
c60b7056 2505 }
305666bf 2506 }
c60b7056
WD		 2507 if (!*port_ptr)
2508 *port_ptr = RSYNC_PORT;
305666bf
WD		 2509 *host_ptr = new_array(char, hostlen + 1);
2510 strlcpy(*host_ptr, s, hostlen + 1);
2511 return path;
2512 }
ea5164d1 2513
305666bf 2514 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
8f4ae68c
WD		 2515 s++;
2516 hostlen = p - s;
305666bf
WD		 2517 *p = '\0';
2518 not_host = strchr(s, '/') || !strchr(s, ':');
2519 *p = ']';
2520 if (not_host)
2521 return NULL;
c60b7056 2522 p++;
305666bf
WD		 2523 } else {
2524 if (!(p = strchr(s, ':')))
2525 return NULL;
8f4ae68c 2526 hostlen = p - s;
305666bf
WD		 2527 *p = '\0';
2528 not_host = strchr(s, '/') != NULL;
2529 *p = ':';
2530 if (not_host)
2531 return NULL;
2532 }
2533
8f4ae68c
WD		 2534 *host_ptr = new_array(char, hostlen + 1);
2535 strlcpy(*host_ptr, s, hostlen + 1);
ea5164d1 2536
305666bf
WD		 2537 if (p[1] == ':') {
2538 if (port_ptr && !*port_ptr)
2539 *port_ptr = RSYNC_PORT;
2540 return p + 2;
2541 }
2542 if (port_ptr)
2543 *port_ptr = 0;
ea5164d1 2544
305666bf 2545 return p + 1;
ea5164d1 2546}
Matt McCutchen's repository for rsync, the fast and versatile remote file copier