A couple instant-rsyncd improvements:
[rsync/rsync.git] / options.c
CommitLineData
0f78b815
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1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
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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
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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
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13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
dfa32483 17 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
dafe63ca 20 */
7a6421fa 21
7a6421fa 22#include "rsync.h"
5dd14f0c 23#include "itypes.h"
35bf8fa0 24#include <popt.h>
854a1aad 25#include "zlib/zlib.h"
7a6421fa 26
7bc90b30 27extern int module_id;
53936ef9 28extern int local_server;
7be73df4 29extern int sanitize_paths;
e208631a 30extern int daemon_over_rsh;
a1018691 31extern unsigned int module_dirlen;
7842418b 32extern struct filter_list_struct filter_list;
819bfe45 33extern struct filter_list_struct daemon_filter_list;
8645af1d 34
7a6421fa 35int make_backups = 0;
1bfbf40b
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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
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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;
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66int ignore_times = 0;
67int delete_mode = 0;
a51b3168 68int delete_during = 0;
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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;
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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 */
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79int am_server = 0;
80int am_sender = 0;
7f2a1f65 81int am_starting_up = 1;
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82int relative_paths = -1;
83int implied_dirs = 1;
7a6421fa 84int numeric_ids = 0;
eabc85ef 85int msgs2stderr = 0;
5974c662 86int allow_8bit_chars = 0;
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87int force_delete = 0;
88int io_timeout = 0;
876c9936 89int prune_empty_dirs = 0;
8487f9cf 90int use_qsort = 0;
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91char *files_from = NULL;
92int filesfrom_fd = -1;
305666bf 93char *filesfrom_host = NULL;
ea5164d1 94int eol_nulls = 0;
7a4addaa 95int protect_args = 0;
adc2476f 96int human_readable = 1;
7a6421fa 97int recurse = 0;
5275029d 98int allow_inc_recurse = 1;
b6164938 99int xfer_dirs = -1;
1312d9fc 100int am_daemon = 0;
ba22c9e2 101int connect_timeout = 0;
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102int keep_partial = 0;
103int safe_symlinks = 0;
104int copy_unsafe_links = 0;
41adbcec 105int munge_symlinks = 0;
a5c11139 106int size_only = 0;
9fb08441 107int daemon_bwlimit = 0;
a5c11139 108int bwlimit = 0;
c4ed1487 109int fuzzy_basis = 0;
3c74c3a3 110size_t bwlimit_writemax = 0;
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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;
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117int ignore_errors = 0;
118int modify_window = 0;
119int blocking_io = -1;
2289bf64 120int checksum_seed = 0;
a3221d2a 121int inplace = 0;
f06e7082 122int delay_updates = 0;
a06b419d 123long block_size = 0; /* "long" because popt can't set an int32. */
adc2476f 124char number_separator;
b1e436ec 125char *skip_compress = NULL;
2206abf8 126item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 127
13e29995 128/** Network address family. **/
24d677fc 129int default_af_hint
4f5b0756 130#ifdef INET6
24d677fc 131 = 0; /* Any protocol */
6ab6d4bf 132#else
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133 = AF_INET; /* Must use IPv4 */
134# ifdef AF_INET6
135# undef AF_INET6
136# endif
137# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 138#endif
06963d0f 139
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140/** Do not go into the background when run as --daemon. Good
141 * for debugging and required for running as a service on W32,
142 * or under Unix process-monitors. **/
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143int no_detach
144#if defined _WIN32 || defined __WIN32__
145 = 1;
146#else
147 = 0;
148#endif
13e29995 149
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150int write_batch = 0;
151int read_batch = 0;
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152int backup_dir_len = 0;
153int backup_suffix_len;
e0391f81 154unsigned int backup_dir_remainder;
6902ed17 155
d175d7e1 156char *backup_suffix = NULL;
7a6421fa 157char *tmpdir = NULL;
a7260c40 158char *partial_dir = NULL;
e012f858 159char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 160char *config_file = NULL;
7a6421fa 161char *shell_cmd = NULL;
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162char *logfile_name = NULL;
163char *logfile_format = NULL;
b3e4e7ef 164char *stdout_format = NULL;
65575e96 165char *password_file = NULL;
41bd28fe 166char *rsync_path = RSYNC_PATH;
66203a98 167char *backup_dir = NULL;
e0391f81 168char backup_dir_buf[MAXPATHLEN];
831f06a5 169char *sockopts = NULL;
0c56b1ad 170int rsync_port = 0;
dfd7d541 171int compare_dest = 0;
1de3e99b 172int copy_dest = 0;
59c95e42 173int link_dest = 0;
ce0b384f 174int basis_dir_cnt = 0;
f9a9f547 175char *dest_option = NULL;
7a6421fa 176
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177static int remote_option_alloc = 0;
178int remote_option_cnt = 0;
179const char **remote_options = NULL;
180
b86f0cef 181int quiet = 0;
dc1f7b9e 182int output_motd = 1;
e7651884 183int log_before_transfer = 0;
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184int stdout_format_has_i = 0;
185int stdout_format_has_o_or_i = 0;
87c0f9d6 186int logfile_format_has_i = 0;
87c0f9d6 187int logfile_format_has_o_or_i = 0;
7a6421fa 188int always_checksum = 0;
f7632fc6 189int list_only = 0;
7a6421fa 190
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191#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
192char *batch_name = NULL;
6902ed17 193
332cf6df 194int need_unsorted_flist = 0;
f7a76b9c 195#ifdef ICONV_OPTION
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196char *iconv_opt = ICONV_OPTION;
197#endif
198
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199struct chmod_mode_struct *chmod_modes = NULL;
200
d239efa3 201static const char *debug_verbosity[] = {
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202 /*0*/ NULL,
203 /*1*/ NULL,
c9f540f3 204 /*2*/ "bind,cmd,connect,del,deltasum,dup,filter,flist,iconv",
5a18b34d 205 /*3*/ "acl,backup,deltasum2,del2,exit,filter2,flist2,fuzzy,genr,own,recv,send,time",
c9f540f3 206 /*4*/ "cmd2,deltasum3,del3,exit2,flist3,iconv2,own2,proto,time2",
5a18b34d 207 /*5*/ "chdir,deltasum4,flist4,fuzzy2,hlink",
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208};
209
210#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
211
d239efa3 212static const char *info_verbosity[1+MAX_VERBOSITY] = {
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213 /*0*/ NULL,
214 /*1*/ "copy,del,flist,misc,name,stats,symsafe",
c9f540f3 215 /*2*/ "backup,mount,name2,remove,skip",
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216};
217
218#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
219
220short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
221
222#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
223#define HELP_PRIORITY 1 /* The help output uses this level. */
224#define USER_PRIORITY 2 /* User-specified via --info or --debug */
225#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
226
227#define W_CLI (1<<0) /* client side */
228#define W_SRV (1<<1) /* server side */
229#define W_SND (1<<2) /* sending side */
230#define W_REC (1<<3) /* receiving side */
231
232struct output_struct {
233 char *name; /* The name of the info/debug flag. */
234 char *help; /* The description of the info/debug flag. */
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235 uchar namelen; /* The length of the name string. */
236 uchar flag; /* The flag's value, for consistency check. */
237 uchar where; /* Bits indicating where the flag is used. */
238 uchar priority; /* See *_PRIORITY defines. */
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239};
240
d239efa3 241#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 242
75d96978 243static struct output_struct info_words[COUNT_INFO+1] = {
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244 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
245 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
246 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
247 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
c9f540f3 248 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information"),
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249 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
250 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
251 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
252 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
253 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
254 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
255 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 256 { NULL, "--info", 0, 0, 0, 0 }
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257};
258
d239efa3 259#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 260
75d96978 261static struct output_struct debug_words[COUNT_DEBUG+1] = {
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262 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
263 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
264 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
265 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
266 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events"),
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267 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
268 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 269 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
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270 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
271 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-2)"),
272 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
273 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
274 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
275 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
276 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions"),
c9f540f3 277 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
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278 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
279 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
280 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
281 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
282 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 283 { NULL, "--debug", 0, 0, 0, 0 }
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284};
285
286static int verbose = 0;
287static int do_stats = 0;
288static int do_progress = 0;
e1add893 289static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 290static int omit_dir_times = 0;
aa4d3b4c 291static int F_option_cnt = 0;
5b56cc19 292static int modify_window_set;
624d6be2 293static int itemize_changes = 0;
854a1aad 294static int refused_delete, refused_archive_part, refused_compress;
3296f91b 295static int refused_partial, refused_progress, refused_delete_before;
e0e32031 296static int refused_delete_during;
0b52f94d 297static int refused_inplace, refused_no_iconv;
74de13d1 298static char *max_size_arg, *min_size_arg;
77860bac 299static char tmp_partialdir[] = ".~tmp~";
5b56cc19 300
06963d0f 301/** Local address to bind. As a character string because it's
fdf57ede 302 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
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303 * address, or a hostname. **/
304char *bind_address;
5c9730a4 305
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306static void output_item_help(struct output_struct *words);
307
308/* This constructs a string that represents all the options set for either
309 * the --info or --debug setting, skipping any implied options (by -v, etc.).
310 * This is used both when conveying the user's options to the server, and
311 * when the help output wants to tell the user what options are implied. */
d239efa3 312static char *make_output_option(struct output_struct *words, short *levels, uchar where)
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313{
314 char *str = words == info_words ? "--info=" : "--debug=";
315 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
316 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
317 char *buf;
318
319 memset(counts, 0, sizeof counts);
320
321 for (j = 0; words[j].name; j++) {
322 if (words[j].flag != j) {
323 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
324 words == info_words ? "INFO_" : "DEBUG_",
325 words[j].name, words[j].flag, j);
326 exit_cleanup(RERR_UNSUPPORTED);
327 }
328 if (!(words[j].where & where))
329 continue;
330 if (words[j].priority == DEFAULT_PRIORITY) {
331 /* Implied items don't need to be mentioned. */
332 skipped++;
333 continue;
334 }
335 len += len ? 1 : strlen(str);
336 len += strlen(words[j].name);
337 len += levels[j] == 1 ? 0 : 1;
338
339 if (words[j].priority == HELP_PRIORITY)
340 continue; /* no abbreviating for help */
341
342 assert(levels[j] <= MAX_OUT_LEVEL);
343 if (++counts[levels[j]] > max) {
344 /* Determine which level has the most items. */
345 lev = levels[j];
346 max = counts[lev];
347 }
348 }
349
350 /* Sanity check the COUNT_* define against the length of the table. */
351 if (j != word_count) {
352 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
353 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
354 j, word_count);
355 exit_cleanup(RERR_UNSUPPORTED);
356 }
357
358 if (!len)
359 return NULL;
360
361 len++;
362 if (!(buf = new_array(char, len)))
363 out_of_memory("make_output_option");
364 pos = 0;
365
366 if (skipped || max < 5)
367 lev = -1;
368 else {
369 if (lev == 0)
370 pos += snprintf(buf, len, "%sNONE", str);
371 else if (lev == 1)
372 pos += snprintf(buf, len, "%sALL", str);
373 else
374 pos += snprintf(buf, len, "%sALL%d", str, lev);
375 }
376
377 for (j = 0; words[j].name && pos < len; j++) {
378 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
379 continue;
380 if (pos)
381 buf[pos++] = ',';
382 else
383 pos += strlcpy(buf+pos, str, len-pos);
384 if (pos < len)
385 pos += strlcpy(buf+pos, words[j].name, len-pos);
386 /* Level 1 is implied by the name alone. */
387 if (levels[j] != 1 && pos < len)
388 buf[pos++] = '0' + levels[j];
389 }
390
391 buf[pos] = '\0';
392
393 return buf;
394}
395
396static void parse_output_words(struct output_struct *words, short *levels,
d239efa3 397 const char *str, uchar priority)
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398{
399 const char *s;
400 int j, len, lev;
401
402 if (!str)
403 return;
404
405 while (*str) {
406 if ((s = strchr(str, ',')) != NULL)
407 len = s++ - str;
408 else
409 len = strlen(str);
410 while (len && isDigit(str+len-1))
411 len--;
412 lev = isDigit(str+len) ? atoi(str+len) : 1;
413 if (lev > MAX_OUT_LEVEL)
414 lev = MAX_OUT_LEVEL;
415 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
416 output_item_help(words);
417 exit_cleanup(0);
418 }
419 if (len == 4 && strncasecmp(str, "none", 4) == 0)
420 len = lev = 0;
421 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
422 len = 0;
423 for (j = 0; words[j].name; j++) {
424 if (!len
d239efa3 425 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
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426 if (priority >= words[j].priority) {
427 words[j].priority = priority;
428 levels[j] = lev;
429 }
430 if (len)
431 break;
432 }
433 }
434 if (len && !words[j].name) {
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435 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
436 words[j].help, len, str);
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437 exit_cleanup(RERR_SYNTAX);
438 }
439 if (!s)
440 break;
441 str = s;
442 }
443}
444
445/* Tell the user what all the info or debug flags mean. */
446static void output_item_help(struct output_struct *words)
447{
448 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 449 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
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450 char buf[128], *opt, *fmt = "%-10s %s\n";
451 int j;
452
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453 reset_output_levels();
454
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455 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
456 rprintf(FINFO, "\n");
457 for (j = 0; words[j].name; j++)
458 rprintf(FINFO, fmt, words[j].name, words[j].help);
459 rprintf(FINFO, "\n");
460
461 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
462 words[j].help, MAX_OUT_LEVEL);
463 rprintf(FINFO, fmt, "ALL", buf);
464
465 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
466 words[j].help);
467 rprintf(FINFO, fmt, "NONE", buf);
468
469 rprintf(FINFO, fmt, "HELP", "Output this help message");
470 rprintf(FINFO, "\n");
471 rprintf(FINFO, "Options added for each increase in verbose level:\n");
472
473 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 474 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
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475 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
476 if (opt) {
477 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
478 free(opt);
479 }
75d96978 480 reset_output_levels();
951e826b 481 }
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482}
483
484/* The --verbose option now sets info+debug flags. */
d239efa3 485static void set_output_verbosity(int level, uchar priority)
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486{
487 int j;
488
489 if (level > MAX_VERBOSITY)
490 level = MAX_VERBOSITY;
491
492 for (j = 1; j <= level; j++) {
493 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
494 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
495 }
496}
497
498/* Limit the info+debug flag levels given a verbose-option level limit. */
499void limit_output_verbosity(int level)
500{
501 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
502 int j;
503
504 if (level > MAX_VERBOSITY)
505 return;
506
507 memset(info_limits, 0, sizeof info_limits);
508 memset(debug_limits, 0, sizeof debug_limits);
509
510 /* Compute the level limits in the above arrays. */
511 for (j = 1; j <= level; j++) {
512 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
513 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
514 }
515
516 for (j = 0; j < COUNT_INFO; j++) {
517 if (info_levels[j] > info_limits[j])
518 info_levels[j] = info_limits[j];
519 }
520
521 for (j = 0; j < COUNT_DEBUG; j++) {
522 if (debug_levels[j] > debug_limits[j])
523 debug_levels[j] = debug_limits[j];
524 }
525}
526
527void reset_output_levels(void)
528{
529 int j;
530
531 memset(info_levels, 0, sizeof info_levels);
532 memset(debug_levels, 0, sizeof debug_levels);
533
534 for (j = 0; j < COUNT_INFO; j++)
535 info_words[j].priority = DEFAULT_PRIORITY;
536
537 for (j = 0; j < COUNT_DEBUG; j++)
538 debug_words[j].priority = DEFAULT_PRIORITY;
539}
540
541void negate_output_levels(void)
542{
543 int j;
544
545 for (j = 0; j < COUNT_INFO; j++)
546 info_levels[j] *= -1;
547
548 for (j = 0; j < COUNT_DEBUG; j++)
549 debug_levels[j] *= -1;
550}
7a24c346 551
27a12348 552static void print_rsync_version(enum logcode f)
7a24c346 553{
2ed790f3 554 char *subprotocol = "";
dfa32483 555 char const *got_socketpair = "no ";
a3221d2a 556 char const *have_inplace = "no ";
dfa32483 557 char const *hardlinks = "no ";
1ed56a05 558 char const *symtimes = "no ";
1c3344a1 559 char const *acls = "no ";
16edf865 560 char const *xattrs = "no ";
dfa32483 561 char const *links = "no ";
332cf6df 562 char const *iconv = "no ";
a358449a 563 char const *ipv6 = "no ";
736a6a29 564 STRUCT_STAT *dumstat;
0c80cd8e 565
2ed790f3
WD
566#if SUBPROTOCOL_VERSION != 0
567 asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION);
568#endif
4f5b0756 569#ifdef HAVE_SOCKETPAIR
dfa32483 570 got_socketpair = "";
0c80cd8e 571#endif
4f5b0756 572#ifdef HAVE_FTRUNCATE
a3221d2a
WD
573 have_inplace = "";
574#endif
4f5b0756 575#ifdef SUPPORT_HARD_LINKS
dfa32483 576 hardlinks = "";
2855f61f 577#endif
1c3344a1
WD
578#ifdef SUPPORT_ACLS
579 acls = "";
580#endif
16edf865
WD
581#ifdef SUPPORT_XATTRS
582 xattrs = "";
583#endif
4f5b0756 584#ifdef SUPPORT_LINKS
dfa32483 585 links = "";
2855f61f 586#endif
4f5b0756 587#ifdef INET6
a358449a 588 ipv6 = "";
dfa32483 589#endif
332cf6df
WD
590#ifdef ICONV_OPTION
591 iconv = "";
592#endif
1ed56a05
WD
593#if defined HAVE_LUTIMES && defined HAVE_UTIMES
594 symtimes = "";
595#endif
a358449a 596
719522b9 597 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 598 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
fede3785 599 rprintf(f, "Copyright (C) 1996-2008 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD
600 rprintf(f, "Web site: http://rsync.samba.org/\n");
601 rprintf(f, "Capabilities:\n");
602 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD
603 (int)(sizeof (OFF_T) * 8),
604 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 605 (int)(sizeof (time_t) * 8),
d619ff13
WD
606 (int)(sizeof (int64) * 8));
607 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
608 got_socketpair, hardlinks, links, ipv6, have_inplace);
1ed56a05
WD
609 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
610 have_inplace, acls, xattrs, iconv, symtimes);
2855f61f 611
fc0302cf 612#ifdef MAINTAINER_MODE
29433538 613 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 614#endif
736a6a29 615
031fa9ad
WD
616#if SIZEOF_INT64 < 8
617 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 618#endif
c561edaa
WD
619 if (sizeof (int64) != SIZEOF_INT64) {
620 rprintf(f,
621 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
622 (int) SIZEOF_INT64, (int) sizeof (int64));
623 }
7b329a2d 624
b64ee91a
WD
625 rprintf(f,"\n");
626 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD
627 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
628 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP
629}
630
631
0f3203c3 632void usage(enum logcode F)
7a6421fa 633{
2855f61f 634 print_rsync_version(F);
704f908e 635
b64ee91a
WD
636 rprintf(F,"\n");
637 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 638 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 639
b64ee91a
WD
640 rprintf(F,"\n");
641 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD
642 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
643 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
644 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 645 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 646 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 647 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD
648 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
649 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD
650 rprintf(F,"\n");
651 rprintf(F,"Options\n");
704f908e 652 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD
653 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
654 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
b3708acf 655 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 656 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 657 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 658 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 659 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT
660 rprintf(F," -r, --recursive recurse into directories\n");
661 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 662 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 663 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD
664 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
665 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
666 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 667 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 668 rprintf(F," --append append data onto shorter files\n");
936fa865 669 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 670 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 671 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD
672 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
673 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
674 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
41adbcec 675 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
2dbf36ef 676 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 677 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 678 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 679 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 680 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 681 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD
682#ifdef SUPPORT_ACLS
683 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD
684#endif
685#ifdef SUPPORT_XATTRS
3caafdfd 686 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 687#endif
def97ff9 688 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 689 rprintf(F," -g, --group preserve group\n");
def97ff9 690 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD
691 rprintf(F," --specials preserve special files\n");
692 rprintf(F," -D same as --devices --specials\n");
42b06481
WD
693 rprintf(F," -t, --times preserve modification times\n");
694 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
def97ff9 695 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD
696#ifdef SUPPORT_XATTRS
697 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
698#endif
704f908e 699 rprintf(F," -S, --sparse handle sparse files efficiently\n");
d100e733 700 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 701 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
704f908e 702 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 703 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 704 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 705 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD
706 rprintf(F," --existing skip creating new files on receiver\n");
707 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 708 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 709 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 710 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031
WD
711 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
712 rprintf(F," --delete-during receiver deletes during transfer (default)\n");
b0cacef1 713 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 714 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 715 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
db2b5cb7 716 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 717 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 718 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 719 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 720 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 721 rprintf(F," --partial keep partially transferred files\n");
a7260c40 722 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 723 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 724 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 725 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
ba22c9e2
WD
726 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
727 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 728 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 729 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf
WD
730 rprintf(F," --size-only skip files that match in size\n");
731 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
4db88e5b 732 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 733 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 734 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 735 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 736 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 737 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 738 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 739 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 740 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 741 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 742 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 743 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 744 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 745 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 746 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD
747 rprintf(F," --include-from=FILE read include patterns from FILE\n");
748 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 749 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 750 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
b4ef0bca 751 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 752 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 753 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 754 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 755 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 756 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 757 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 758 rprintf(F," --progress show progress during transfer\n");
b3708acf 759 rprintf(F," -P same as --partial --progress\n");
b78296cb 760 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD
761 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
762 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
763 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 764 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 765 rprintf(F," --list-only list the files instead of copying them\n");
b3708acf
WD
766 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
767 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 768 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 769 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 770 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 771#ifdef ICONV_OPTION
84e1a34e 772 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 773#endif
4db88e5b
WD
774 rprintf(F," -4, --ipv4 prefer IPv4\n");
775 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 776 rprintf(F," --version print version number\n");
375d8f91 777 rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
7a6421fa 778
b64ee91a
WD
779 rprintf(F,"\n");
780 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 781 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 782 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT
783}
784
3ac7f5d4 785enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 786 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 787 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 788 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 789 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
0ccffd7c 790 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 791
2855f61f
MP
792static struct poptOption long_options[] = {
793 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 794 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 795 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 796 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 797 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 798 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD
799 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
800 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
eabc85ef 801 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
e86e2fa1 802 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD
803 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
804 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 805 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 806 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD
807 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
808 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 809 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD
810 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
811 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
812 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 813 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 814 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 815 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD
816 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
817 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 818 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD
819 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
820 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD
821 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
822 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD
823 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
824 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
825 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 826 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD
827 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
828 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
829 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD
830 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
831 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
832 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
f9998046 833 {"times", 't', POPT_ARG_VAL, &preserve_times, 2, 0, 0 },
b6164938
WD
834 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
835 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 836 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD
837 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
838 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
38b9170c 839 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD
840 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
841 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 842 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD
843 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
844 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
845 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
846 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
847 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
848 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD
849 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
850 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
851 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 852 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD
853 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
854 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 855 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD
856 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
857 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD
858 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
859 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
860 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD
861 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
862 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 863 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 864 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 865 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD
866 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
867 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD
868 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
869 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 870 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 871 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 872 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD
873 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
874 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 875 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD
876 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
877 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 878 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
28fb6365
WD
879 {"no-one-file-system",'x',POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
880 {"no-x", 'x', POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 881 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 882 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 883 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 884 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 885 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 886 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD
887 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
888 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
889 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
890 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
891 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD
892 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
893 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
894 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 895 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 896 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 897 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD
898 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
899 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD
900 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
901 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
47c11975
WD
902 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
903 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD
904 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
905 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
906 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
907 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD
908 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
909 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 910 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD
911 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
912 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
913 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
914 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 915 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD
916 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
917 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 918 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD
919 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
920 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
921 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 922 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 923 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 924 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 925 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
852e763b
WD
926 {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
927 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 928 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 929 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
8487f9cf
WD
930 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
931 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 932 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
854a1aad 933 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
11bfaf63 934 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD
935 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
936 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
937 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
938 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 939 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD
940 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
941 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD
942 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
943 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
944 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 945 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD
946 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
947 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
948 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 949 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD
950 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
951 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
afb6e945 952 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
8487f9cf
WD
953 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
954 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
955 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 956 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD
957 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
958 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD
959 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
960 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 961 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 962 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD
963 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
964 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD
965 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
966 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
967 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD
968 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
969 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
e86e2fa1 970 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 971 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 972 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 973 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD
974 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
975 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
976 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD
977#ifdef ICONV_OPTION
978 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 979 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 980#endif
3dd22903
WD
981 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
982 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD
983 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
984 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
985 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 986 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
e86e2fa1
WD
987 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
988 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 989 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD
990 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
991 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
992 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
7a2eca41 993 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD
994 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
995 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 996 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD
997 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
998 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD
999 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1000 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 1001 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 1002 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 1003 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD
1004 {0,0,0,0, 0, 0, 0}
1005};
1006
1007static void daemon_usage(enum logcode F)
1008{
1009 print_rsync_version(F);
1010
b64ee91a
WD
1011 rprintf(F,"\n");
1012 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1013 rprintf(F," --address=ADDRESS bind to the specified address\n");
b3708acf 1014 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
3ac7f5d4 1015 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
2206abf8 1016 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
3ac7f5d4 1017 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1018 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1019 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1020 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1021 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1022 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD
1023 rprintf(F," -4, --ipv4 prefer IPv4\n");
1024 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1025 rprintf(F," --help show this help screen\n");
3ac7f5d4 1026
b64ee91a
WD
1027 rprintf(F,"\n");
1028 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD
1029 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1030}
1031
1032static struct poptOption long_daemon_options[] = {
1033 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1034 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1035 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD
1036 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1037 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 1038 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD
1039 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1040 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1041 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1042 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1043 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1044 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1045 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1046 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD
1047 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1048 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1049 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1050 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD
1051 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1052 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1053 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1054 {0,0,0,0, 0, 0, 0}
2855f61f 1055};
7a6421fa 1056
06963d0f 1057
e51094b7 1058static char err_buf[200];
cd8185f2 1059
2855f61f 1060
dafe63ca
MP
1061/**
1062 * Store the option error message, if any, so that we can log the
1063 * connection attempt (which requires parsing the options), and then
1064 * show the error later on.
1065 **/
cd8185f2
AT
1066void option_error(void)
1067{
e51094b7 1068 if (!err_buf[0]) {
c9bce0b8
WD
1069 strlcpy(err_buf, "Error parsing options: option may "
1070 "be supported on client but not on server?\n",
1071 sizeof err_buf);
cd8185f2 1072 }
e51094b7 1073
e51094b7 1074 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 1075 msleep(20);
cd8185f2
AT
1076}
1077
dafe63ca
MP
1078
1079/**
27ed20f7
WD
1080 * Tweak the option table to disable all options that the rsyncd.conf
1081 * file has told us to refuse.
dafe63ca 1082 **/
27ed20f7 1083static void set_refuse_options(char *bp)
cd8185f2 1084{
27ed20f7 1085 struct poptOption *op;
093e816c 1086 char *cp, shortname[2];
d73e7f6e 1087 int is_wild, found_match;
093e816c
WD
1088
1089 shortname[1] = '\0';
27ed20f7
WD
1090
1091 while (1) {
06a50542
WD
1092 while (*bp == ' ') bp++;
1093 if (!*bp)
1094 break;
27ed20f7
WD
1095 if ((cp = strchr(bp, ' ')) != NULL)
1096 *cp= '\0';
093e816c 1097 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 1098 found_match = 0;
55afbb52 1099 for (op = long_options; ; op++) {
093e816c 1100 *shortname = op->shortName;
d73e7f6e
WD
1101 if (!op->longName && !*shortname)
1102 break;
1103 if ((op->longName && wildmatch(bp, op->longName))
684d7582 1104 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD
1105 if (op->argInfo == POPT_ARG_VAL)
1106 op->argInfo = POPT_ARG_NONE;
06a50542 1107 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 1108 found_match = 1;
3671987f
WD
1109 /* These flags are set to let us easily check
1110 * an implied option later in the code. */
1111 switch (*shortname) {
3671987f
WD
1112 case 'r': case 'd': case 'l': case 'p':
1113 case 't': case 'g': case 'o': case 'D':
1114 refused_archive_part = op->val;
1115 break;
854a1aad
WD
1116 case 'z':
1117 refused_compress = op->val;
1118 break;
3671987f
WD
1119 case '\0':
1120 if (wildmatch("delete", op->longName))
1121 refused_delete = op->val;
3296f91b
WD
1122 else if (wildmatch("delete-before", op->longName))
1123 refused_delete_before = op->val;
e0e32031
WD
1124 else if (wildmatch("delete-during", op->longName))
1125 refused_delete_during = op->val;
3671987f
WD
1126 else if (wildmatch("partial", op->longName))
1127 refused_partial = op->val;
1128 else if (wildmatch("progress", op->longName))
1129 refused_progress = op->val;
a015788d
WD
1130 else if (wildmatch("inplace", op->longName))
1131 refused_inplace = op->val;
0b52f94d
WD
1132 else if (wildmatch("no-iconv", op->longName))
1133 refused_no_iconv = op->val;
3671987f
WD
1134 break;
1135 }
06a50542
WD
1136 if (!is_wild)
1137 break;
27ed20f7 1138 }
cd8185f2 1139 }
d73e7f6e
WD
1140 if (!found_match) {
1141 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1142 bp);
1143 }
27ed20f7
WD
1144 if (!cp)
1145 break;
1146 *cp = ' ';
1147 bp = cp + 1;
cd8185f2 1148 }
cd8185f2
AT
1149}
1150
1151
8db7cc2c 1152static int count_args(const char **argv)
2855f61f 1153{
dfa32483 1154 int i = 0;
2855f61f 1155
8db7cc2c
WD
1156 if (argv) {
1157 while (argv[i] != NULL)
1158 i++;
1159 }
dfa32483
WD
1160
1161 return i;
2855f61f
MP
1162}
1163
1164
837d01dd 1165static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1166{
3c19f72c
WD
1167 int reps, mult, make_compatible = 0;
1168 const char *arg;
1169 OFF_T size = 1;
95e107db 1170
2dc7b8bd 1171 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1172 if (*arg == '.')
2dc7b8bd 1173 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1174 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1175 case 'b': case 'B':
3c19f72c 1176 reps = 0;
837d01dd 1177 break;
95e107db 1178 case 'k': case 'K':
3c19f72c 1179 reps = 1;
95e107db
WD
1180 break;
1181 case 'm': case 'M':
3c19f72c 1182 reps = 2;
95e107db
WD
1183 break;
1184 case 'g': case 'G':
3c19f72c 1185 reps = 3;
95e107db
WD
1186 break;
1187 default:
3c19f72c 1188 return -1;
95e107db 1189 }
3c19f72c
WD
1190 if (*arg == 'b' || *arg == 'B')
1191 mult = 1000, make_compatible = 1, arg++;
1192 else if (!*arg || *arg == '+' || *arg == '-')
1193 mult = 1024;
1194 else if (strncasecmp(arg, "ib", 2) == 0)
1195 mult = 1024, arg += 2;
1196 else
1197 return -1;
1198 while (reps--)
1199 size *= mult;
1200 size *= atof(*size_arg);
1201 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1202 size += atoi(arg), make_compatible = 1, arg += 2;
1203 if (*arg)
1204 return -1;
aeb213ea 1205 if (size > 0 && make_compatible) {
74de13d1
WD
1206 /* We convert this manually because we may need %lld precision,
1207 * and that's not a portable sprintf() escape. */
8f14cc49 1208 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1209 OFF_T num = size;
8f14cc49 1210 *s = '\0';
aeb213ea 1211 while (num) {
26404276 1212 *--s = (char)(num % 10) + '0';
aeb213ea
WD
1213 num /= 10;
1214 }
1215 if (!(*size_arg = strdup(s)))
1216 out_of_memory("parse_size_arg");
1217 }
95e107db
WD
1218 return size;
1219}
1220
1221
3671987f
WD
1222static void create_refuse_error(int which)
1223{
1224 /* The "which" value is the index + OPT_REFUSED_BASE. */
1225 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1226 int n = snprintf(err_buf, sizeof err_buf,
1227 "The server is configured to refuse --%s\n",
1228 op->longName) - 1;
1229 if (op->shortName) {
1230 snprintf(err_buf + n, sizeof err_buf - n,
1231 " (-%c)\n", op->shortName);
1232 }
1233}
1234
1235
dafe63ca
MP
1236/**
1237 * Process command line arguments. Called on both local and remote.
1238 *
1239 * @retval 1 if all options are OK; with globals set to appropriate
1240 * values
1241 *
1242 * @retval 0 on error, with err_buf containing an explanation
1243 **/
53936ef9 1244int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1245{
7a4addaa 1246 static poptContext pc;
ffbffc64
WD
1247 char *ref = lp_refuse_options(module_id);
1248 const char *arg, **argv = *argv_p;
1249 int argc = *argc_p;
1250 int opt;
d853783f 1251
27ed20f7
WD
1252 if (ref && *ref)
1253 set_refuse_options(ref);
0b52f94d 1254 if (am_daemon) {
232658d9 1255 set_refuse_options("log-file*");
2357a51e 1256#ifdef ICONV_OPTION
0b52f94d
WD
1257 if (!*lp_charset(module_id))
1258 set_refuse_options("iconv");
2357a51e 1259#endif
0b52f94d 1260 }
27ed20f7 1261
332cf6df 1262#ifdef ICONV_OPTION
a4453606 1263 if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD
1264 iconv_opt = strdup(arg);
1265#endif
1266
dfa32483 1267 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1268
dfa32483
WD
1269 /* The context leaks in case of an error, but if there's a
1270 * problem we always exit anyhow. */
7a4addaa
WD
1271 if (pc)
1272 poptFreeContext(pc);
1273 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
1274 if (!am_server)
1275 poptReadDefaultConfig(pc, 0);
2855f61f
MP
1276
1277 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD
1278 /* most options are handled automatically by popt;
1279 * only special cases are returned and listed here. */
2855f61f 1280
d853783f
AT
1281 switch (opt) {
1282 case OPT_VERSION:
dfa32483 1283 print_rsync_version(FINFO);
d853783f 1284 exit_cleanup(0);
dfa32483 1285
0ccffd7c
WD
1286 case OPT_SERVER:
1287 if (!am_server) {
1288 /* Disable popt aliases on the server side and
1289 * then start parsing the options again. */
1290 poptFreeContext(pc);
ffbffc64 1291 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD
1292 long_options, 0);
1293 am_server = 1;
1294 }
332cf6df
WD
1295#ifdef ICONV_OPTION
1296 iconv_opt = NULL;
1297#endif
0ccffd7c
WD
1298 break;
1299
1300 case OPT_SENDER:
1301 if (!am_server) {
1302 usage(FERROR);
1303 exit_cleanup(RERR_SYNTAX);
1304 }
1305 am_sender = 1;
1306 break;
1307
3ac7f5d4
WD
1308 case OPT_DAEMON:
1309 if (am_daemon) {
c9bce0b8
WD
1310 strlcpy(err_buf,
1311 "Attempt to hack rsync thwarted!\n",
1312 sizeof err_buf);
3ac7f5d4
WD
1313 return 0;
1314 }
332cf6df
WD
1315#ifdef ICONV_OPTION
1316 iconv_opt = NULL;
1317#endif
3ac7f5d4 1318 poptFreeContext(pc);
ffbffc64 1319 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD
1320 long_daemon_options, 0);
1321 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1322 char **cpp;
3ac7f5d4
WD
1323 switch (opt) {
1324 case 'h':
1325 daemon_usage(FINFO);
1326 exit_cleanup(0);
1327
2206abf8
WD
1328 case 'M':
1329 arg = poptGetOptArg(pc);
1330 if (!strchr(arg, '=')) {
1331 rprintf(FERROR,
1332 "--dparam value is missing an '=': %s\n",
1333 arg);
1334 goto daemon_error;
1335 }
1336 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1337 *cpp = strdup(arg);
1338 break;
1339
1bd9db74
WD
1340 case 'v':
1341 verbose++;
1342 break;
1343
3ac7f5d4
WD
1344 default:
1345 rprintf(FERROR,
1346 "rsync: %s: %s (in daemon mode)\n",
1347 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1348 poptStrerror(opt));
1349 goto daemon_error;
1350 }
1351 }
b6e22a47 1352
2206abf8
WD
1353 if (dparam_list.count && !set_dparams(1))
1354 exit_cleanup(RERR_SYNTAX);
1355
b6e22a47
WD
1356 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1357 snprintf(err_buf, sizeof err_buf,
1358 "the --temp-dir path is WAY too long.\n");
1359 return 0;
1360 }
1361
3ac7f5d4
WD
1362 if (!daemon_opt) {
1363 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1364 daemon_error:
1365 rprintf(FERROR,
1366 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1367 exit_cleanup(RERR_SYNTAX);
1368 }
b6e22a47 1369
ffbffc64
WD
1370 *argv_p = argv = poptGetArgs(pc);
1371 *argc_p = argc = count_args(argv);
7f2a1f65 1372 am_starting_up = 0;
3ac7f5d4
WD
1373 daemon_opt = 0;
1374 am_daemon = 1;
1375 return 1;
1376
5b56cc19 1377 case OPT_MODIFY_WINDOW:
dfa32483
WD
1378 /* The value has already been set by popt, but
1379 * we need to remember that we're using a
1380 * non-default setting. */
5b56cc19
AT
1381 modify_window_set = 1;
1382 break;
1de50993 1383
aa4d3b4c 1384 case OPT_FILTER:
3a5e9224 1385 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
d853783f
AT
1386 break;
1387
aa4d3b4c 1388 case OPT_EXCLUDE:
3a5e9224 1389 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1390 0, XFLG_OLD_PREFIXES);
aa4d3b4c
WD
1391 break;
1392
d853783f 1393 case OPT_INCLUDE:
3a5e9224 1394 parse_rule(&filter_list, poptGetOptArg(pc),
0a68f869 1395 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
d853783f
AT
1396 break;
1397
1398 case OPT_EXCLUDE_FROM:
93695764 1399 case OPT_INCLUDE_FROM:
7be73df4 1400 arg = poptGetOptArg(pc);
1a7f3d99 1401 if (sanitize_paths)
d48810ba 1402 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1403 if (daemon_filter_list.head) {
200aec7d 1404 int rej;
a1018691 1405 char *dir, *cp = strdup(arg);
d3ef9859
WD
1406 if (!cp)
1407 out_of_memory("parse_arguments");
3671987f
WD
1408 if (!*cp)
1409 goto options_rejected;
a1018691
WD
1410 dir = cp + (*cp == '/' ? module_dirlen : 0);
1411 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1412 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
d3ef9859 1413 free(cp);
200aec7d
WD
1414 if (rej)
1415 goto options_rejected;
ba3db479 1416 }
3a5e9224
WD
1417 parse_filter_file(&filter_list, arg,
1418 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1419 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD
1420 break;
1421
b6164938
WD
1422 case 'a':
1423 if (refused_archive_part) {
1424 create_refuse_error(refused_archive_part);
1425 return 0;
1426 }
1427 if (!recurse) /* preserve recurse == 2 */
1428 recurse = 1;
1429#ifdef SUPPORT_LINKS
1430 preserve_links = 1;
1431#endif
1432 preserve_perms = 1;
f9998046 1433 preserve_times = 2;
b6164938
WD
1434 preserve_gid = 1;
1435 preserve_uid = 1;
1436 preserve_devices = 1;
b5c6a6ae
WD
1437 preserve_specials = 1;
1438 break;
1439
1440 case 'D':
1441 preserve_devices = preserve_specials = 1;
1442 break;
1443
1444 case OPT_NO_D:
1445 preserve_devices = preserve_specials = 0;
b6164938
WD
1446 break;
1447
3ca9e5d8
WD
1448 case 'h':
1449 human_readable++;
1450 break;
1451
e0e32031
WD
1452 case 'H':
1453 preserve_hard_links++;
1454 break;
1455
487094a0
WD
1456 case 'i':
1457 itemize_changes++;
1458 break;
1459
d853783f
AT
1460 case 'v':
1461 verbose++;
1462 break;
7a6421fa 1463
b86f0cef 1464 case 'q':
53936ef9 1465 quiet++;
b86f0cef
DD
1466 break;
1467
243c995f
WD
1468 case 'x':
1469 one_file_system++;
1470 break;
1471
aa4d3b4c
WD
1472 case 'F':
1473 switch (++F_option_cnt) {
1474 case 1:
3a5e9224 1475 parse_rule(&filter_list,": /.rsync-filter",0,0);
aa4d3b4c
WD
1476 break;
1477 case 2:
3a5e9224 1478 parse_rule(&filter_list,"- .rsync-filter",0,0);
aa4d3b4c
WD
1479 break;
1480 }
1481 break;
1482
d9fcc198 1483 case 'P':
3671987f
WD
1484 if (refused_partial || refused_progress) {
1485 create_refuse_error(refused_partial
1486 ? refused_partial : refused_progress);
1487 return 0;
1488 }
d9fcc198
AT
1489 do_progress = 1;
1490 keep_partial = 1;
1491 break;
1492
854a1aad
WD
1493 case 'z':
1494 if (def_compress_level < Z_DEFAULT_COMPRESSION
1495 || def_compress_level > Z_BEST_COMPRESSION) {
1496 snprintf(err_buf, sizeof err_buf,
1497 "--compress-level value is invalid: %d\n",
1498 def_compress_level);
1499 return 0;
1500 }
1501 do_compression = def_compress_level != Z_NO_COMPRESSION;
1502 if (do_compression && refused_compress) {
1503 create_refuse_error(refused_compress);
1504 return 0;
1505 }
1506 break;
1507
7a2eca41
WD
1508 case 'M':
1509 arg = poptGetOptArg(pc);
1510 if (*arg != '-') {
1511 snprintf(err_buf, sizeof err_buf,
1512 "Remote option must start with a dash: %s\n", arg);
1513 return 0;
1514 }
1515 if (remote_option_cnt+2 >= remote_option_alloc) {
1516 remote_option_alloc += 16;
1517 remote_options = realloc_array(remote_options,
1518 const char *, remote_option_alloc);
1519 if (!remote_options)
1520 out_of_memory("parse_arguments");
1521 if (!remote_option_cnt)
1522 remote_options[0] = "ARG0";
1523 }
1524 remote_options[++remote_option_cnt] = arg;
1525 remote_options[remote_option_cnt+1] = NULL;
1526 break;
1527
088aac85 1528 case OPT_WRITE_BATCH:
9b3318b0 1529 /* batch_name is already set */
088aac85
DD
1530 write_batch = 1;
1531 break;
1532
11e758a4
WD
1533 case OPT_ONLY_WRITE_BATCH:
1534 /* batch_name is already set */
1535 write_batch = -1;
1536 break;
1537
76f79ba7 1538 case OPT_READ_BATCH:
9b3318b0 1539 /* batch_name is already set */
6902ed17
MP
1540 read_batch = 1;
1541 break;
ea5164d1 1542
0b52f94d 1543 case OPT_NO_ICONV:
15dbffc2 1544#ifdef ICONV_OPTION
0b52f94d 1545 iconv_opt = NULL;
15dbffc2 1546#endif
0b52f94d
WD
1547 break;
1548
7d5acf1d 1549 case OPT_MAX_SIZE:
837d01dd 1550 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
e012f858 1551 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD
1552 "--max-size value is invalid: %s\n",
1553 max_size_arg);
e012f858 1554 return 0;
7d5acf1d
WD
1555 }
1556 break;
1557
74de13d1
WD
1558 case OPT_MIN_SIZE:
1559 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1560 snprintf(err_buf, sizeof err_buf,
1561 "--min-size value is invalid: %s\n",
1562 min_size_arg);
1563 return 0;
1564 }
1565 break;
1566
936fa865
WD
1567 case OPT_APPEND:
1568 if (am_server)
1569 append_mode++;
1570 else
1571 append_mode = 1;
1572 break;
1573
59c95e42 1574 case OPT_LINK_DEST:
fcecb70b 1575#ifdef SUPPORT_HARD_LINKS
59c95e42 1576 link_dest = 1;
e012f858
WD
1577 dest_option = "--link-dest";
1578 goto set_dest_dir;
59c95e42 1579#else
d175d7e1 1580 snprintf(err_buf, sizeof err_buf,
dfa32483 1581 "hard links are not supported on this %s\n",
59c95e42 1582 am_server ? "server" : "client");
59c95e42
DD
1583 return 0;
1584#endif
1585
1de3e99b
WD
1586 case OPT_COPY_DEST:
1587 copy_dest = 1;
1588 dest_option = "--copy-dest";
1589 goto set_dest_dir;
1590
e012f858
WD
1591 case OPT_COMPARE_DEST:
1592 compare_dest = 1;
1593 dest_option = "--compare-dest";
1594 set_dest_dir:
3b26bba0 1595 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD
1596 snprintf(err_buf, sizeof err_buf,
1597 "ERROR: at most %d %s args may be specified\n",
1598 MAX_BASIS_DIRS, dest_option);
1599 return 0;
1600 }
ad77db8b
WD
1601 /* We defer sanitizing this arg until we know what
1602 * our destination directory is going to be. */
1603 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD
1604 break;
1605
e16adcdf
WD
1606 case OPT_CHMOD:
1607 arg = poptGetOptArg(pc);
bbe42182 1608 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD
1609 snprintf(err_buf, sizeof err_buf,
1610 "Invalid argument passed to --chmod (%s)\n",
1611 arg);
1612 return 0;
1613 }
1614 break;
1615
951e826b
WD
1616 case OPT_INFO:
1617 arg = poptGetOptArg(pc);
1618 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1619 break;
1620
1621 case OPT_DEBUG:
1622 arg = poptGetOptArg(pc);
1623 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1624 break;
1625
f5a910dd
WD
1626 case OPT_HELP:
1627 usage(FINFO);
1628 exit_cleanup(0);
1629
1c3344a1
WD
1630 case 'A':
1631#ifdef SUPPORT_ACLS
1632 preserve_acls = 1;
1633 preserve_perms = 1;
1634 break;
1635#else
1636 /* FIXME: this should probably be ignored with a
eb8f5c74
WD
1637 * warning and then countermeasures taken to
1638 * restrict group and other access in the presence
1639 * of any more restrictive ACLs, but this is safe
1c3344a1
WD
1640 * for now */
1641 snprintf(err_buf,sizeof(err_buf),
1642 "ACLs are not supported on this %s\n",
1643 am_server ? "server" : "client");
1644 return 0;
1645#endif
1646
16edf865
WD
1647 case 'X':
1648#ifdef SUPPORT_XATTRS
524eaa82 1649 preserve_xattrs++;
16edf865
WD
1650 break;
1651#else
1652 snprintf(err_buf,sizeof(err_buf),
1653 "extended attributes are not supported on this %s\n",
1654 am_server ? "server" : "client");
1655 return 0;
1656#endif
1c3344a1 1657
d853783f 1658 default:
55afbb52 1659 /* A large opt value means that set_refuse_options()
3671987f 1660 * turned this option off. */
c67d1386 1661 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD
1662 create_refuse_error(opt);
1663 return 0;
27ed20f7 1664 }
3671987f
WD
1665 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1666 am_server ? "on remote machine: " : "",
1667 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1668 poptStrerror(opt));
dfa32483 1669 return 0;
d853783f 1670 }
7a6421fa 1671 }
2855f61f 1672
adc2476f 1673 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1674 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD
1675 usage(FINFO);
1676 exit_cleanup(0);
1677 }
1678
951e826b
WD
1679 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1680
1681 if (do_stats && !am_server) {
1682 parse_output_words(info_words, info_levels,
1683 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1684 }
1685
adc2476f
WD
1686 if (human_readable) {
1687 char buf[32];
1688 snprintf(buf, sizeof buf, "%f", 3.14);
1689 if (strchr(buf, '.') != NULL)
1690 number_separator = ',';
1691 else
1692 number_separator = '.';
1693 }
1694
332cf6df 1695#ifdef ICONV_OPTION
a4453606 1696 if (iconv_opt && protect_args != 2) {
332cf6df
WD
1697 if (!am_server && strcmp(iconv_opt, "-") == 0)
1698 iconv_opt = NULL;
1699 else
1700 need_unsorted_flist = 1;
1701 }
0b52f94d
WD
1702 if (refused_no_iconv && !iconv_opt) {
1703 create_refuse_error(refused_no_iconv);
1704 return 0;
1705 }
332cf6df
WD
1706#endif
1707
53936ef9
WD
1708 if (protect_args == 1 && am_server)
1709 return 1;
a4453606 1710
73cb6738
WD
1711 *argv_p = argv = poptGetArgs(pc);
1712 *argc_p = argc = count_args(argv);
1713
4f5b0756 1714#ifndef SUPPORT_LINKS
54e87b4b 1715 if (preserve_links && !am_sender) {
e1add893
WD
1716 snprintf(err_buf, sizeof err_buf,
1717 "symlinks are not supported on this %s\n",
1718 am_server ? "server" : "client");
e1add893
WD
1719 return 0;
1720 }
1721#endif
1722
4f5b0756 1723#ifndef SUPPORT_HARD_LINKS
e1add893
WD
1724 if (preserve_hard_links) {
1725 snprintf(err_buf, sizeof err_buf,
1726 "hard links are not supported on this %s\n",
1727 am_server ? "server" : "client");
e1add893
WD
1728 return 0;
1729 }
1730#endif
1731
cbbd8e2e
WD
1732#ifdef SUPPORT_XATTRS
1733 if (am_root < 0 && preserve_xattrs > 1) {
1734 snprintf(err_buf, sizeof err_buf,
1735 "--fake-super conflicts with -XX\n");
1736 return 0;
1737 }
1738#else
9439c0cb
WD
1739 if (am_root < 0) {
1740 snprintf(err_buf, sizeof err_buf,
1741 "--fake-super requires an rsync with extended attributes enabled\n");
1742 return 0;
1743 }
1744#endif
1745
088aac85 1746 if (write_batch && read_batch) {
c3ea0990 1747 snprintf(err_buf, sizeof err_buf,
36119893 1748 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1749 return 0;
088aac85 1750 }
11e758a4 1751 if (write_batch > 0 || read_batch) {
94327ff0
WD
1752 if (am_server) {
1753 rprintf(FINFO,
1754 "ignoring --%s-batch option sent to server\n",
1755 write_batch ? "write" : "read");
1756 /* We don't actually exit_cleanup(), so that we can
1757 * still service older version clients that still send
1758 * batch args to server. */
1759 read_batch = write_batch = 0;
1760 batch_name = NULL;
254ee3ba
WD
1761 } else if (dry_run)
1762 write_batch = 0;
69e2b4ee
WD
1763 } else if (write_batch < 0 && dry_run)
1764 write_batch = 0;
36119893 1765 if (read_batch && files_from) {
c3ea0990 1766 snprintf(err_buf, sizeof err_buf,
36119893 1767 "--read-batch cannot be used with --files-from\n");
c3ea0990 1768 return 0;
36119893 1769 }
9b3318b0 1770 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 1771 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD
1772 "the batch-file name must be %d characters or less.\n",
1773 MAX_BATCH_NAME_LEN);
c3ea0990 1774 return 0;
beb93684 1775 }
088aac85 1776
ce58b1b4 1777 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD
1778 snprintf(err_buf, sizeof err_buf,
1779 "the --temp-dir path is WAY too long.\n");
1780 return 0;
ce58b1b4
WD
1781 }
1782
7b9598b2
WD
1783 if (max_delete < 0 && max_delete != INT_MIN) {
1784 /* Negative numbers are treated as "no deletions". */
1785 max_delete = 0;
1786 }
1787
1de3e99b 1788 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 1789 snprintf(err_buf, sizeof err_buf,
1de3e99b 1790 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD
1791 return 0;
1792 }
1793
b6164938
WD
1794 if (files_from) {
1795 if (recurse == 1) /* preserve recurse == 2 */
1796 recurse = 0;
550d4e23 1797 if (xfer_dirs < 0)
b6164938 1798 xfer_dirs = 1;
dfa32483 1799 }
51d48398 1800
20893751 1801 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD
1802 list_only |= 1;
1803
1804 if (xfer_dirs >= 4) {
1805 parse_rule(&filter_list, "- /*/*", 0, 0);
1806 recurse = xfer_dirs = 1;
1807 } else if (recurse)
1808 xfer_dirs = 1;
1809 else if (xfer_dirs < 0)
1810 xfer_dirs = list_only ? 1 : 0;
dfa32483 1811
ea5164d1
WD
1812 if (relative_paths < 0)
1813 relative_paths = files_from? 1 : 0;
89f2a4c2
WD
1814 if (!relative_paths)
1815 implied_dirs = 0;
ea5164d1 1816
e0e32031 1817 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 1818 snprintf(err_buf, sizeof err_buf,
c6eb7fad 1819 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD
1820 return 0;
1821 }
f5a910dd 1822 if (delete_before || delete_during || delete_after)
51d48398 1823 delete_mode = 1;
3296f91b 1824 else if (delete_mode || delete_excluded) {
e0e32031 1825 /* Only choose now between before & during if one is refused. */
3296f91b 1826 if (refused_delete_before) {
e0e32031
WD
1827 if (!refused_delete_during)
1828 delete_during = 1;
1829 else {
1830 create_refuse_error(refused_delete_before);
1831 return 0;
1832 }
1833 } else if (refused_delete_during)
1834 delete_before = 1;
1835 delete_mode = 1;
3296f91b 1836 }
89fb5026
WD
1837 if (!xfer_dirs && delete_mode) {
1838 snprintf(err_buf, sizeof err_buf,
1839 "--delete does not work without -r or -d.\n");
1840 return 0;
f5a910dd 1841 }
51d48398 1842
3671987f
WD
1843 if (delete_mode && refused_delete) {
1844 create_refuse_error(refused_delete);
1845 return 0;
1846 }
1847
47c11975
WD
1848 if (remove_source_files) {
1849 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD
1850 * via the refusal of "delete", not any of the "delete-FOO"
1851 * options. */
1852 if (refused_delete && am_sender) {
1853 create_refuse_error(refused_delete);
1854 return 0;
1855 }
1856 need_messages_from_generator = 1;
1857 }
1858
41adbcec
WD
1859 if (munge_symlinks && !am_daemon) {
1860 STRUCT_STAT st;
1861 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
1862 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
1863 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
1864 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
1865 prefix);
1866 exit_cleanup(RERR_UNSUPPORTED);
1867 }
1868 }
1869
7be73df4
WD
1870 if (sanitize_paths) {
1871 int i;
ffbffc64 1872 for (i = argc; i-- > 0; )
d48810ba 1873 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 1874 if (tmpdir)
d48810ba 1875 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 1876 if (backup_dir)
d48810ba 1877 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 1878 }
819bfe45
WD
1879 if (daemon_filter_list.head && !am_sender) {
1880 struct filter_list_struct *elp = &daemon_filter_list;
c3ea0990 1881 if (tmpdir) {
a1018691 1882 char *dir;
3671987f
WD
1883 if (!*tmpdir)
1884 goto options_rejected;
a1018691
WD
1885 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
1886 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1887 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD
1888 goto options_rejected;
1889 }
c3ea0990 1890 if (backup_dir) {
a1018691 1891 char *dir;
3671987f
WD
1892 if (!*backup_dir)
1893 goto options_rejected;
a1018691
WD
1894 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
1895 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 1896 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 1897 goto options_rejected;
c3ea0990
WD
1898 }
1899 }
7be73df4 1900
d175d7e1 1901 if (!backup_suffix)
e0391f81 1902 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 1903 backup_suffix_len = strlen(backup_suffix);
80ddadb7 1904 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD
1905 snprintf(err_buf, sizeof err_buf,
1906 "--suffix cannot contain slashes: %s\n",
80ddadb7 1907 backup_suffix);
c3ea0990 1908 return 0;
80ddadb7 1909 }
e0391f81
WD
1910 if (backup_dir) {
1911 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1912 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1913 if (backup_dir_remainder < 32) {
c3ea0990
WD
1914 snprintf(err_buf, sizeof err_buf,
1915 "the --backup-dir path is WAY too long.\n");
1916 return 0;
e0391f81
WD
1917 }
1918 if (backup_dir_buf[backup_dir_len - 1] != '/') {
1919 backup_dir_buf[backup_dir_len++] = '/';
1920 backup_dir_buf[backup_dir_len] = '\0';
1921 }
951e826b 1922 if (INFO_GTE(BACKUP, 1) && !am_sender)
0ee6ca98 1923 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
8dcf9335 1924 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 1925 snprintf(err_buf, sizeof err_buf,
d175d7e1 1926 "--suffix cannot be a null string without --backup-dir\n");
c3ea0990 1927 return 0;
eb8f5c74
WD
1928 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1929 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 1930 "P *%s", backup_suffix);
eb8f5c74 1931 parse_rule(&filter_list, backup_dir_buf, 0, 0);
d175d7e1 1932 }
fbd91cae
WD
1933
1934 if (make_backups && !backup_dir) {
1935 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
1936 if (preserve_times > 1)
1937 preserve_times = 1;
1938 } else if (omit_dir_times) {
1939 if (preserve_times > 1)
1940 preserve_times = 1;
1941 }
d175d7e1 1942
b3e4e7ef
WD
1943 if (stdout_format) {
1944 if (am_server && log_format_has(stdout_format, 'I'))
1945 stdout_format_has_i = 2;
1946 else if (log_format_has(stdout_format, 'i'))
1947 stdout_format_has_i = itemize_changes | 1;
1948 if (!log_format_has(stdout_format, 'b')
886df221
WD
1949 && !log_format_has(stdout_format, 'c')
1950 && !log_format_has(stdout_format, 'C'))
e7651884
WD
1951 log_before_transfer = !am_server;
1952 } else if (itemize_changes) {
b3e4e7ef
WD
1953 stdout_format = "%i %n%L";
1954 stdout_format_has_i = itemize_changes;
e7651884
WD
1955 log_before_transfer = !am_server;
1956 }
87383697 1957
951e826b
WD
1958 if (do_progress && !am_server) {
1959 if (!log_before_transfer && INFO_EQ(NAME, 0))
1960 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
1961 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 1962 }
87383697 1963
11e758a4
WD
1964 if (dry_run)
1965 do_xfers = 0;
1966
9ac756c6
WD
1967 set_io_timeout(io_timeout);
1968
951e826b 1969 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 1970 stdout_format = "%n%L";
87383697 1971 log_before_transfer = !am_server;
3671987f 1972 }
b3e4e7ef
WD
1973 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1974 stdout_format_has_o_or_i = 1;
e2559dbe 1975
232658d9 1976 if (logfile_name && !am_daemon) {
b3e4e7ef 1977 if (!logfile_format) {
232658d9 1978 logfile_format = "%i %n%L";
87c0f9d6 1979 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD
1980 } else {
1981 if (log_format_has(logfile_format, 'i'))
19b85876 1982 logfile_format_has_i = 1;
b3e4e7ef
WD
1983 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1984 logfile_format_has_o_or_i = 1;
87c0f9d6 1985 }
6dc9b74b 1986 log_init(0);
2873603a
WD
1987 } else if (!am_daemon)
1988 logfile_format = NULL;
87c0f9d6 1989
9fb08441
WD
1990 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1991 bwlimit = daemon_bwlimit;
3c74c3a3
WD
1992 if (bwlimit) {
1993 bwlimit_writemax = (size_t)bwlimit * 128;
1994 if (bwlimit_writemax < 512)
1995 bwlimit_writemax = 512;
1996 }
1997
cfce9f6d 1998 if (sparse_files && inplace) {
c3851185 1999 /* Note: we don't check for this below, because --append is
cfce9f6d
WD
2000 * OK with --sparse (as long as redos are handled right). */
2001 snprintf(err_buf, sizeof err_buf,
2002 "--sparse cannot be used with --inplace\n");
2003 return 0;
2004 }
2005
a015788d
WD
2006 if (append_mode) {
2007 if (whole_file > 0) {
2008 snprintf(err_buf, sizeof err_buf,
2009 "--append cannot be used with --whole-file\n");
2010 return 0;
2011 }
2012 if (refused_inplace) {
2013 create_refuse_error(refused_inplace);
2014 return 0;
2015 }
2016 inplace = 1;
2017 }
2018
f06e7082 2019 if (delay_updates && !partial_dir)
77860bac 2020 partial_dir = tmp_partialdir;
f06e7082 2021
a3221d2a 2022 if (inplace) {
4f5b0756 2023#ifdef HAVE_FTRUNCATE
a7260c40
WD
2024 if (partial_dir) {
2025 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2026 "--%s cannot be used with --%s\n",
2027 append_mode ? "append" : "inplace",
f06e7082 2028 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD
2029 return 0;
2030 }
3671987f
WD
2031 /* --inplace implies --partial for refusal purposes, but we
2032 * clear the keep_partial flag for internal logic purposes. */
2033 if (refused_partial) {
2034 create_refuse_error(refused_partial);
2035 return 0;
2036 }
a3221d2a 2037 keep_partial = 0;
ded4daf0
WD
2038#else
2039 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2040 "--%s is not supported on this %s\n",
2041 append_mode ? "append" : "inplace",
ded4daf0
WD
2042 am_server ? "server" : "client");
2043 return 0;
2044#endif
075aa18f 2045 } else {
bc880cb8 2046 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD
2047 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2048 partial_dir = strdup(arg);
2049 }
075aa18f 2050 if (partial_dir) {
3671987f 2051 if (*partial_dir)
b58bfb2f 2052 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD
2053 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2054 partial_dir = NULL;
3671987f
WD
2055 if (!partial_dir && refused_partial) {
2056 create_refuse_error(refused_partial);
2057 return 0;
2058 }
075aa18f
WD
2059 keep_partial = 1;
2060 }
a3221d2a
WD
2061 }
2062
ea5164d1 2063 if (files_from) {
305666bf
WD
2064 char *h, *p;
2065 int q;
ffbffc64 2066 if (argc > 2 || (!am_daemon && argc == 1)) {
ea5164d1
WD
2067 usage(FERROR);
2068 exit_cleanup(RERR_SYNTAX);
2069 }
63596e1c 2070 if (strcmp(files_from, "-") == 0) {
ea5164d1 2071 filesfrom_fd = 0;
63596e1c 2072 if (am_server)
305666bf
WD
2073 filesfrom_host = ""; /* reading from socket */
2074 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2075 if (am_server) {
305666bf
WD
2076 snprintf(err_buf, sizeof err_buf,
2077 "The --files-from sent to the server cannot specify a host.\n");
2078 return 0;
ea5164d1 2079 }
305666bf
WD
2080 files_from = p;
2081 filesfrom_host = h;
2082 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD
2083 snprintf(err_buf, sizeof err_buf,
2084 "Invalid --files-from remote filename\n");
2085 return 0;
ea5164d1
WD
2086 }
2087 } else {
305666bf 2088 if (sanitize_paths)
d48810ba 2089 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2090 if (daemon_filter_list.head) {
a1018691 2091 char *dir;
305666bf
WD
2092 if (!*files_from)
2093 goto options_rejected;
a1018691
WD
2094 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2095 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2096 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD
2097 goto options_rejected;
2098 }
ea5164d1
WD
2099 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2100 if (filesfrom_fd < 0) {
c3ea0990
WD
2101 snprintf(err_buf, sizeof err_buf,
2102 "failed to open files-from file %s: %s\n",
2103 files_from, strerror(errno));
2104 return 0;
ea5164d1
WD
2105 }
2106 }
2107 }
2108
7f2a1f65
WD
2109 am_starting_up = 0;
2110
b11ed3b1 2111 return 1;
f0fa8c6d
WD
2112
2113 options_rejected:
2114 snprintf(err_buf, sizeof err_buf,
2115 "Your options have been rejected by the server.\n");
2116 return 0;
7a6421fa
AT
2117}
2118
2119
dafe63ca
MP
2120/**
2121 * Construct a filtered list of options to pass through from the
2122 * client to the server.
2123 *
2124 * This involves setting options that will tell the server how to
2125 * behave, and also filtering out options that are processed only
2126 * locally.
2127 **/
ffbffc64 2128void server_options(char **args, int *argc_p)
7a6421fa 2129{
74ba98a5 2130 static char argstr[64];
ffbffc64 2131 int ac = *argc_p;
d239efa3 2132 uchar where;
f98c60bf 2133 char *arg;
d853783f
AT
2134 int i, x;
2135
def97ff9 2136 /* This should always remain first on the server's command-line. */
d853783f
AT
2137 args[ac++] = "--server";
2138
e208631a 2139 if (daemon_over_rsh > 0) {
1312d9fc 2140 args[ac++] = "--daemon";
ffbffc64 2141 *argc_p = ac;
1312d9fc
WD
2142 /* if we're passing --daemon, we're done */
2143 return;
2144 }
2145
d853783f
AT
2146 if (!am_sender)
2147 args[ac++] = "--sender";
2148
2149 x = 1;
2150 argstr[0] = '-';
a4453606
WD
2151
2152 if (protect_args)
2153 argstr[x++] = 's';
2154
f98c60bf 2155 for (i = 0; i < verbose; i++)
d853783f 2156 argstr[x++] = 'v';
f0b36a48 2157
b86f0cef 2158 /* the -q option is intentionally left out */
d853783f
AT
2159 if (make_backups)
2160 argstr[x++] = 'b';
2161 if (update_only)
2162 argstr[x++] = 'u';
2dbf36ef 2163 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT
2164 argstr[x++] = 'n';
2165 if (preserve_links)
2166 argstr[x++] = 'l';
73cb6738
WD
2167 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2168 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2169 argstr[x++] = 'd';
35bf8fa0
WD
2170 if (am_sender) {
2171 if (keep_dirlinks)
2172 argstr[x++] = 'K';
876c9936
WD
2173 if (prune_empty_dirs)
2174 argstr[x++] = 'm';
f9998046 2175 if (omit_dir_times)
35bf8fa0 2176 argstr[x++] = 'O';
2dbf36ef
WD
2177 } else {
2178 if (copy_links)
2179 argstr[x++] = 'L';
2180 if (copy_dirlinks)
2181 argstr[x++] = 'k';
35bf8fa0 2182 }
1bfbf40b 2183
dfa32483 2184 if (whole_file > 0)
d853783f 2185 argstr[x++] = 'W';
bceec82f
MP
2186 /* We don't need to send --no-whole-file, because it's the
2187 * default for remote transfers, and in any case old versions
2188 * of rsync will not understand it. */
dfa32483 2189
e0e32031 2190 if (preserve_hard_links) {
d853783f 2191 argstr[x++] = 'H';
e0e32031
WD
2192 if (preserve_hard_links > 1)
2193 argstr[x++] = 'H';
2194 }
d853783f
AT
2195 if (preserve_uid)
2196 argstr[x++] = 'o';
2197 if (preserve_gid)
2198 argstr[x++] = 'g';
b5c6a6ae 2199 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT
2200 argstr[x++] = 'D';
2201 if (preserve_times)
2202 argstr[x++] = 't';
2203 if (preserve_perms)
2204 argstr[x++] = 'p';
344f9ba7
WD
2205 else if (preserve_executability && am_sender)
2206 argstr[x++] = 'E';
1c3344a1
WD
2207#ifdef SUPPORT_ACLS
2208 if (preserve_acls)
2209 argstr[x++] = 'A';
16edf865
WD
2210#endif
2211#ifdef SUPPORT_XATTRS
524eaa82 2212 if (preserve_xattrs) {
16edf865 2213 argstr[x++] = 'X';
524eaa82
WD
2214 if (preserve_xattrs > 1)
2215 argstr[x++] = 'X';
2216 }
1c3344a1 2217#endif
aa7a6e87 2218 if (recurse)
d853783f
AT
2219 argstr[x++] = 'r';
2220 if (always_checksum)
2221 argstr[x++] = 'c';
2222 if (cvs_exclude)
2223 argstr[x++] = 'C';
2224 if (ignore_times)
2225 argstr[x++] = 'I';
2226 if (relative_paths)
2227 argstr[x++] = 'R';
243c995f 2228 if (one_file_system) {
d853783f 2229 argstr[x++] = 'x';
243c995f
WD
2230 if (one_file_system > 1)
2231 argstr[x++] = 'x';
2232 }
d853783f
AT
2233 if (sparse_files)
2234 argstr[x++] = 'S';
2235 if (do_compression)
2236 argstr[x++] = 'z';
f0b36a48 2237
29703623
WD
2238 set_allow_inc_recurse();
2239
2240 /* Checking the pre-negotiated value allows --protocol=29 override. */
2241 if (protocol_version >= 30) {
2242 /* We make use of the -e option to let the server know about
2243 * any pre-release protocol version && some behavior flags. */
2244 argstr[x++] = 'e';
2ed790f3 2245#if SUBPROTOCOL_VERSION != 0
29703623
WD
2246 if (protocol_version == PROTOCOL_VERSION) {
2247 x += snprintf(argstr+x, sizeof argstr - x,
2248 "%d.%d",
2249 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2250 } else
2ed790f3 2251#endif
29703623
WD
2252 argstr[x++] = '.';
2253 if (allow_inc_recurse)
2254 argstr[x++] = 'i';
1ed56a05 2255#if defined HAVE_LUTIMES && defined HAVE_UTIMES
29703623 2256 argstr[x++] = 'L';
91fd15b8
WD
2257#endif
2258#ifdef ICONV_OPTION
2259 argstr[x++] = 's';
1ed56a05 2260#endif
29703623
WD
2261 }
2262
951e826b 2263 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD
2264 rprintf(FERROR, "argstr overflow in server_options().\n");
2265 exit_cleanup(RERR_MALLOC);
2266 }
2267
951e826b
WD
2268 argstr[x] = '\0';
2269
1ed56a05 2270 args[ac++] = argstr;
d853783f 2271
a4453606
WD
2272#ifdef ICONV_OPTION
2273 if (iconv_opt) {
2274 char *set = strchr(iconv_opt, ',');
2275 if (set)
2276 set++;
2277 else
2278 set = iconv_opt;
2279 if (asprintf(&arg, "--iconv=%s", set) < 0)
2280 goto oom;
2281 args[ac++] = arg;
2282 }
2283#endif
2284
53936ef9 2285 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD
2286 args[ac++] = NULL;
2287
51d48398
WD
2288 if (list_only > 1)
2289 args[ac++] = "--list-only";
2290
f5a910dd
WD
2291 /* This makes sure that the remote rsync can handle deleting with -d
2292 * sans -r because the --no-r option was added at the same time. */
2293 if (xfer_dirs && !recurse && delete_mode && am_sender)
2294 args[ac++] = "--no-r";
2295
854a1aad
WD
2296 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2297 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2298 goto oom;
2299 args[ac++] = arg;
2300 }
2301
b5c6a6ae
WD
2302 if (preserve_devices) {
2303 /* Note: sending "--devices" would not be backward-compatible. */
2304 if (!preserve_specials)
2305 args[ac++] = "--no-specials"; /* -D is already set. */
2306 } else if (preserve_specials)
2307 args[ac++] = "--specials";
2308
5c5e1598
WD
2309 /* The server side doesn't use our log-format, but in certain
2310 * circumstances they need to know a little about the option. */
b3e4e7ef
WD
2311 if (stdout_format && am_sender) {
2312 /* Use --log-format, not --out-format, for compatibility. */
2313 if (stdout_format_has_i > 1)
487094a0 2314 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2315 else if (stdout_format_has_i)
684d7582 2316 args[ac++] = "--log-format=%i";
b3e4e7ef 2317 else if (stdout_format_has_o_or_i)
5c5e1598
WD
2318 args[ac++] = "--log-format=%o";
2319 else if (!verbose)
2320 args[ac++] = "--log-format=X";
2321 }
1f30a674 2322
195bd906 2323 if (block_size) {
a06b419d 2324 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD
2325 goto oom;
2326 args[ac++] = arg;
dfa32483 2327 }
d853783f
AT
2328
2329 if (io_timeout) {
f98c60bf
WD
2330 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2331 goto oom;
2332 args[ac++] = arg;
dfa32483 2333 }
d853783f 2334
ef5d23eb 2335 if (bwlimit) {
f98c60bf
WD
2336 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2337 goto oom;
2338 args[ac++] = arg;
ef5d23eb
DD
2339 }
2340
d175d7e1
WD
2341 if (backup_dir) {
2342 args[ac++] = "--backup-dir";
2343 args[ac++] = backup_dir;
2344 }
2345
2346 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2347 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2348 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD
2349 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2350 goto oom;
2351 args[ac++] = arg;
d853783f
AT
2352 }
2353
06a50542 2354 if (am_sender) {
7b9598b2
WD
2355 if (max_delete > 0) {
2356 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2357 goto oom;
2358 args[ac++] = arg;
2359 } else if (max_delete == 0)
d6ca255c 2360 args[ac++] = "--max-delete=-1";
7b9598b2
WD
2361 if (min_size) {
2362 args[ac++] = "--min-size";
2363 args[ac++] = min_size_arg;
2364 }
2365 if (max_size) {
2366 args[ac++] = "--max-size";
2367 args[ac++] = max_size_arg;
2368 }
e0e32031 2369 if (delete_before)
c6eb7fad 2370 args[ac++] = "--delete-before";
0d152437
WD
2371 else if (delete_during == 2)
2372 args[ac++] = "--delete-delay";
2373 else if (delete_during)
2374 args[ac++] = "--delete-during";
2375 else if (delete_after)
06a50542 2376 args[ac++] = "--delete-after";
e0e32031
WD
2377 else if (delete_mode && !delete_excluded)
2378 args[ac++] = "--delete";
2379 if (delete_excluded)
2380 args[ac++] = "--delete-excluded";
06a50542
WD
2381 if (force_delete)
2382 args[ac++] = "--force";
11e758a4
WD
2383 if (write_batch < 0)
2384 args[ac++] = "--only-write-batch=X";
def97ff9
WD
2385 if (am_root > 1)
2386 args[ac++] = "--super";
f17e769e
WD
2387 if (size_only)
2388 args[ac++] = "--size-only";
b1e436ec
WD
2389 } else {
2390 if (skip_compress) {
2391 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2392 goto oom;
2393 args[ac++] = arg;
2394 }
06a50542 2395 }
b33b791e 2396
5b56cc19 2397 if (modify_window_set) {
f98c60bf
WD
2398 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
2399 goto oom;
2400 args[ac++] = arg;
5b56cc19
AT
2401 }
2402
c8d895de 2403 if (checksum_seed) {
221ddb94 2404 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD
2405 goto oom;
2406 args[ac++] = arg;
2407 }
2408
a7260c40 2409 if (partial_dir && am_sender) {
77860bac 2410 if (partial_dir != tmp_partialdir) {
3671987f
WD
2411 args[ac++] = "--partial-dir";
2412 args[ac++] = partial_dir;
2413 }
f06e7082
WD
2414 if (delay_updates)
2415 args[ac++] = "--delay-updates";
77860bac 2416 } else if (keep_partial && am_sender)
d853783f
AT
2417 args[ac++] = "--partial";
2418
ef55c686
AT
2419 if (ignore_errors)
2420 args[ac++] = "--ignore-errors";
2421
b5313607
DD
2422 if (copy_unsafe_links)
2423 args[ac++] = "--copy-unsafe-links";
2424
d853783f
AT
2425 if (safe_symlinks)
2426 args[ac++] = "--safe-links";
2427
2428 if (numeric_ids)
2429 args[ac++] = "--numeric-ids";
2430
95def6d9
WD
2431 if (use_qsort)
2432 args[ac++] = "--use-qsort";
2433
4f3797c7
WD
2434 if (am_sender) {
2435 if (ignore_existing)
2436 args[ac++] = "--ignore-existing";
2437
2438 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2439 if (ignore_non_existing)
2440 args[ac++] = "--existing";
3d6feada 2441
4f3797c7
WD
2442 if (tmpdir) {
2443 args[ac++] = "--temp-dir";
2444 args[ac++] = tmpdir;
2445 }
2446
2447 if (basis_dir[0]) {
2448 /* the server only needs this option if it is not the sender,
2449 * and it may be an older version that doesn't know this
2450 * option, so don't send it if client is the sender.
2451 */
4f3797c7
WD
2452 for (i = 0; i < basis_dir_cnt; i++) {
2453 args[ac++] = dest_option;
2454 args[ac++] = basis_dir[i];
2455 }
2456 }
2457 }
e90aab49 2458
951e826b
WD
2459 /* What flags do we need to send to the other side? */
2460 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2461 arg = make_output_option(info_words, info_levels, where);
2462 if (arg)
2463 args[ac++] = arg;
2464
2465 arg = make_output_option(debug_words, debug_levels, where);
2466 if (arg)
2467 args[ac++] = arg;
2468
936fa865
WD
2469 if (append_mode) {
2470 if (append_mode > 1)
2471 args[ac++] = "--append";
a015788d 2472 args[ac++] = "--append";
936fa865 2473 } else if (inplace)
a3221d2a
WD
2474 args[ac++] = "--inplace";
2475
305666bf
WD
2476 if (files_from && (!am_sender || filesfrom_host)) {
2477 if (filesfrom_host) {
ea5164d1 2478 args[ac++] = "--files-from";
305666bf 2479 args[ac++] = files_from;
ea5164d1
WD
2480 if (eol_nulls)
2481 args[ac++] = "--from0";
2482 } else {
2483 args[ac++] = "--files-from=-";
2484 args[ac++] = "--from0";
2485 }
c0ab28d1
WD
2486 if (!relative_paths)
2487 args[ac++] = "--no-relative";
ea5164d1 2488 }
33a04593
WD
2489 /* It's OK that this checks the upper-bound of the protocol_version. */
2490 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2491 args[ac++] = "--no-implied-dirs";
ea5164d1 2492
c4ed1487
WD
2493 if (fuzzy_basis && am_sender)
2494 args[ac++] = "--fuzzy";
2495
47c11975
WD
2496 if (remove_source_files == 1)
2497 args[ac++] = "--remove-source-files";
2498 else if (remove_source_files)
07c6ae7d
WD
2499 args[ac++] = "--remove-sent-files";
2500
7a2eca41
WD
2501 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2502 rprintf(FERROR, "argc overflow in server_options().\n");
2503 exit_cleanup(RERR_MALLOC);
2504 }
2505
2506 if (remote_option_cnt) {
2507 int j;
2508 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2509 rprintf(FERROR, "too many remote options specified.\n");
2510 exit_cleanup(RERR_SYNTAX);
2511 }
2512 for (j = 1; j <= remote_option_cnt; j++)
2513 args[ac++] = (char*)remote_options[j];
2514 }
2515
ffbffc64 2516 *argc_p = ac;
f98c60bf
WD
2517 return;
2518
2519 oom:
2520 out_of_memory("server_options");
7a6421fa
AT
2521}
2522
305666bf
WD
2523/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2524 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2525 * memory with the HOST. If a daemon-accessing spec was specified, the value
2526 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2527 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2528 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2529 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2530char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2531{
305666bf
WD
2532 char *p;
2533 int not_host;
8f4ae68c 2534 int hostlen;
305666bf
WD
2535
2536 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2537 char *path;
305666bf
WD
2538 s += strlen(URL_PREFIX);
2539 if ((p = strchr(s, '/')) != NULL) {
2540 hostlen = p - s;
2541 path = p + 1;
2542 } else {
2543 hostlen = strlen(s);
2544 path = "";
2545 }
2546 if (*s == '[' && (p = strchr(s, ']')) != NULL) {
2547 s++;
2548 hostlen = p - s;
c60b7056
WD
2549 if (p[1] == ':')
2550 *port_ptr = atoi(p+2);
305666bf 2551 } else {
444f9f7b 2552 if ((p = strchr(s, ':')) != NULL && p < s + hostlen) {
305666bf
WD
2553 hostlen = p - s;
2554 *port_ptr = atoi(p+1);
c60b7056 2555 }
305666bf 2556 }
c60b7056
WD
2557 if (!*port_ptr)
2558 *port_ptr = RSYNC_PORT;
305666bf
WD
2559 *host_ptr = new_array(char, hostlen + 1);
2560 strlcpy(*host_ptr, s, hostlen + 1);
2561 return path;
2562 }
ea5164d1 2563
305666bf 2564 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') {
8f4ae68c
WD
2565 s++;
2566 hostlen = p - s;
305666bf
WD
2567 *p = '\0';
2568 not_host = strchr(s, '/') || !strchr(s, ':');
2569 *p = ']';
2570 if (not_host)
2571 return NULL;
c60b7056 2572 p++;
305666bf
WD
2573 } else {
2574 if (!(p = strchr(s, ':')))
2575 return NULL;
8f4ae68c 2576 hostlen = p - s;
305666bf
WD
2577 *p = '\0';
2578 not_host = strchr(s, '/') != NULL;
2579 *p = ':';
2580 if (not_host)
2581 return NULL;
2582 }
2583
8f4ae68c
WD
2584 *host_ptr = new_array(char, hostlen + 1);
2585 strlcpy(*host_ptr, s, hostlen + 1);
ea5164d1 2586
305666bf
WD
2587 if (p[1] == ':') {
2588 if (port_ptr && !*port_ptr)
2589 *port_ptr = RSYNC_PORT;
2590 return p + 2;
2591 }
2592 if (port_ptr)
2593 *port_ptr = 0;
ea5164d1 2594
305666bf 2595 return p + 1;
ea5164d1 2596}