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Make the --copy-links caveat a little clearer.
[thirdparty/rsync.git] / options.c
CommitLineData
0f78b815
WD		 1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
WD		 4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
3e2e4b5a 6 * Copyright (C) 2002-2019 Wayne Davison
dfa32483 7 *
dafe63ca 8 * This program is free software; you can redistribute it and/or modify
8e41b68e
WD		 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
dfa32483 12 *
dafe63ca
MP		 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
dfa32483 17 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
dafe63ca 20 */
7a6421fa 21
7a6421fa 22#include "rsync.h"
5dd14f0c 23#include "itypes.h"
35bf8fa0 24#include <popt.h>
7da17144 25#include <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;
7b6c5c77
WD		 32extern filter_rule_list filter_list;
33extern filter_rule_list daemon_filter_list;
8645af1d 34
22a3ac0b
WD		 35#define NOT_SPECIFIED (-42)
36
7a6421fa 37int make_backups = 0;
1bfbf40b
MP		 38
39/**
dfa32483 40 * If 1, send the whole file as literal data rather than trying to
dafe63ca 41 * create an incremental diff.
1bfbf40b 42 *
dfa32483 43 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 44 *
45 * @sa disable_deltas_p()
1bfbf40b 46 **/
dfa32483 47int whole_file = -1;
1bfbf40b 48
a015788d 49int append_mode = 0;
716e73d4 50int keep_dirlinks = 0;
2dbf36ef 51int copy_dirlinks = 0;
7a6421fa
AT		 52int copy_links = 0;
53int preserve_links = 0;
54int preserve_hard_links = 0;
1c3344a1 55int preserve_acls = 0;
16edf865 56int preserve_xattrs = 0;
7a6421fa 57int preserve_perms = 0;
344f9ba7 58int preserve_executability = 0;
7a6421fa 59int preserve_devices = 0;
b5c6a6ae 60int preserve_specials = 0;
7a6421fa
AT		 61int preserve_uid = 0;
62int preserve_gid = 0;
63int preserve_times = 0;
64int update_only = 0;
65int cvs_exclude = 0;
a5c11139 66int dry_run = 0;
11e758a4 67int do_xfers = 1;
a5c11139
WD		 68int ignore_times = 0;
69int delete_mode = 0;
a51b3168 70int delete_during = 0;
51d48398
WD		 71int delete_before = 0;
72int delete_after = 0;
a5c11139 73int delete_excluded = 0;
47c11975 74int remove_source_files = 0;
a5c11139 75int one_file_system = 0;
4f3e9a0f 76int protocol_version = PROTOCOL_VERSION;
a5c11139 77int sparse_files = 0;
28b519c9 78int preallocate_files = 0;
a5c11139 79int do_compression = 0;
22a3ac0b 80int def_compress_level = NOT_SPECIFIED;
9439c0cb 81int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 82int am_server = 0;
83int am_sender = 0;
7f2a1f65 84int am_starting_up = 1;
ea5164d1
WD		 85int relative_paths = -1;
86int implied_dirs = 1;
42d8ec61 87int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
7a6421fa 88int numeric_ids = 0;
eabc85ef 89int msgs2stderr = 0;
5974c662 90int allow_8bit_chars = 0;
7a6421fa
AT		 91int force_delete = 0;
92int io_timeout = 0;
876c9936 93int prune_empty_dirs = 0;
8487f9cf 94int use_qsort = 0;
ea5164d1
WD		 95char *files_from = NULL;
96int filesfrom_fd = -1;
305666bf 97char *filesfrom_host = NULL;
ea5164d1 98int eol_nulls = 0;
4c4a2962 99int protect_args = -1;
adc2476f 100int human_readable = 1;
7a6421fa 101int recurse = 0;
5275029d 102int allow_inc_recurse = 1;
b6164938 103int xfer_dirs = -1;
1312d9fc 104int am_daemon = 0;
ba22c9e2 105int connect_timeout = 0;
a5c11139
WD		 106int keep_partial = 0;
107int safe_symlinks = 0;
108int copy_unsafe_links = 0;
41adbcec 109int munge_symlinks = 0;
a5c11139 110int size_only = 0;
9fb08441 111int daemon_bwlimit = 0;
a5c11139 112int bwlimit = 0;
c4ed1487 113int fuzzy_basis = 0;
3c74c3a3 114size_t bwlimit_writemax = 0;
e90aab49
WD		 115int ignore_existing = 0;
116int ignore_non_existing = 0;
07c6ae7d 117int need_messages_from_generator = 0;
7b9598b2 118int max_delete = INT_MIN;
9510fa9a
WD		 119OFF_T max_size = -1;
120OFF_T min_size = -1;
a5c11139
WD		 121int ignore_errors = 0;
122int modify_window = 0;
123int blocking_io = -1;
2289bf64 124int checksum_seed = 0;
a3221d2a 125int inplace = 0;
f06e7082 126int delay_updates = 0;
a06b419d 127long block_size = 0; /* "long" because popt can't set an int32. */
b1e436ec 128char *skip_compress = NULL;
08650cb1 129char *copy_as = NULL;
2206abf8 130item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 131
13e29995 132/** Network address family. **/
24d677fc 133int default_af_hint
4f5b0756 134#ifdef INET6
24d677fc 135 = 0; /* Any protocol */
6ab6d4bf 136#else
24d677fc
WD		 137 = AF_INET; /* Must use IPv4 */
138# ifdef AF_INET6
139# undef AF_INET6
140# endif
141# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 142#endif
06963d0f 143
13e29995
MP		 144/** Do not go into the background when run as --daemon. Good
145 * for debugging and required for running as a service on W32,
146 * or under Unix process-monitors. **/
1f35babc
WD		 147int no_detach
148#if defined _WIN32 || defined __WIN32__
149 = 1;
150#else
151 = 0;
152#endif
13e29995 153
088aac85
DD		 154int write_batch = 0;
155int read_batch = 0;
d175d7e1
WD		 156int backup_dir_len = 0;
157int backup_suffix_len;
e0391f81 158unsigned int backup_dir_remainder;
6902ed17 159
d175d7e1 160char *backup_suffix = NULL;
7a6421fa 161char *tmpdir = NULL;
a7260c40 162char *partial_dir = NULL;
e012f858 163char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 164char *config_file = NULL;
7a6421fa 165char *shell_cmd = NULL;
87c0f9d6
WD		 166char *logfile_name = NULL;
167char *logfile_format = NULL;
b3e4e7ef 168char *stdout_format = NULL;
65575e96 169char *password_file = NULL;
41bd28fe 170char *rsync_path = RSYNC_PATH;
66203a98 171char *backup_dir = NULL;
e0391f81 172char backup_dir_buf[MAXPATHLEN];
831f06a5 173char *sockopts = NULL;
2df20057
WD		 174char *usermap = NULL;
175char *groupmap = NULL;
0c56b1ad 176int rsync_port = 0;
dfd7d541 177int compare_dest = 0;
1de3e99b 178int copy_dest = 0;
59c95e42 179int link_dest = 0;
ce0b384f 180int basis_dir_cnt = 0;
f9a9f547 181char *dest_option = NULL;
7a6421fa 182
7a2eca41
WD		 183static int remote_option_alloc = 0;
184int remote_option_cnt = 0;
185const char **remote_options = NULL;
a5a7d3a2 186const char *checksum_choice = NULL;
7a2eca41 187
b86f0cef 188int quiet = 0;
dc1f7b9e 189int output_motd = 1;
e7651884 190int log_before_transfer = 0;
b3e4e7ef
WD		 191int stdout_format_has_i = 0;
192int stdout_format_has_o_or_i = 0;
87c0f9d6 193int logfile_format_has_i = 0;
87c0f9d6 194int logfile_format_has_o_or_i = 0;
7a6421fa 195int always_checksum = 0;
f7632fc6 196int list_only = 0;
7a6421fa 197
9b3318b0
WD		 198#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
199char *batch_name = NULL;
6902ed17 200
332cf6df 201int need_unsorted_flist = 0;
f7a76b9c 202#ifdef ICONV_OPTION
332cf6df
WD		 203char *iconv_opt = ICONV_OPTION;
204#endif
205
dd32e2c3
WD		 206struct chmod_mode_struct *chmod_modes = NULL;
207
d239efa3 208static const char *debug_verbosity[] = {
951e826b
WD		 209 /*0*/ NULL,
210 /*1*/ NULL,
261808da 211 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
7ae666d2 212 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
261808da
WD		 213 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
214 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
951e826b
WD		 215};
216
217#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
218
d239efa3 219static const char *info_verbosity[1+MAX_VERBOSITY] = {
951e826b 220 /*0*/ NULL,
261808da 221 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
3b8f8192 222 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
951e826b
WD		 223};
224
225#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
226
227short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
228
229#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
230#define HELP_PRIORITY 1 /* The help output uses this level. */
231#define USER_PRIORITY 2 /* User-specified via --info or --debug */
232#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
233
234#define W_CLI (1<<0) /* client side */
235#define W_SRV (1<<1) /* server side */
236#define W_SND (1<<2) /* sending side */
237#define W_REC (1<<3) /* receiving side */
238
239struct output_struct {
240 char *name; /* The name of the info/debug flag. */
241 char *help; /* The description of the info/debug flag. */
d239efa3
WD		 242 uchar namelen; /* The length of the name string. */
243 uchar flag; /* The flag's value, for consistency check. */
244 uchar where; /* Bits indicating where the flag is used. */
245 uchar priority; /* See *_PRIORITY defines. */
951e826b
WD		 246};
247
d239efa3 248#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 249
75d96978 250static struct output_struct info_words[COUNT_INFO+1] = {
951e826b
WD		 251 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
252 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
253 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
254 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
3b8f8192 255 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
951e826b
WD		 256 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
257 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
258 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
259 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
260 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
261 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
262 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 263 { NULL, "--info", 0, 0, 0, 0 }
951e826b
WD		 264};
265
d239efa3 266#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 267
75d96978 268static struct output_struct debug_words[COUNT_DEBUG+1] = {
951e826b
WD		 269 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
270 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
271 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
272 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
7ae666d2 273 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
951e826b
WD		 274 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
275 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 276 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b 277 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
0c2e8f93 278 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
951e826b
WD		 279 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
280 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
281 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
282 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 283 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
86be7a0e 284 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
c9f540f3 285 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
20caffd2 286 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
951e826b
WD		 287 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
288 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
289 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
290 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
291 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 292 { NULL, "--debug", 0, 0, 0, 0 }
951e826b
WD		 293};
294
295static int verbose = 0;
296static int do_stats = 0;
297static int do_progress = 0;
e1add893 298static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 299static int omit_dir_times = 0;
2624e005 300static int omit_link_times = 0;
aa4d3b4c 301static int F_option_cnt = 0;
5b56cc19 302static int modify_window_set;
624d6be2 303static int itemize_changes = 0;
854a1aad 304static int refused_delete, refused_archive_part, refused_compress;
3296f91b 305static int refused_partial, refused_progress, refused_delete_before;
e0e32031 306static int refused_delete_during;
0b52f94d 307static int refused_inplace, refused_no_iconv;
2df20057 308static BOOL usermap_via_chown, groupmap_via_chown;
f143b55e 309#ifdef HAVE_SETVBUF
6686b93a 310static char *outbuf_mode;
f143b55e 311#endif
ce795fcd 312static char *bwlimit_arg, *max_size_arg, *min_size_arg;
77860bac 313static char tmp_partialdir[] = ".~tmp~";
5b56cc19 314
06963d0f 315/** Local address to bind. As a character string because it's
fdf57ede 316 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 317 * address, or a hostname. **/
318char *bind_address;
5c9730a4 319
951e826b
WD		 320static void output_item_help(struct output_struct *words);
321
322/* This constructs a string that represents all the options set for either
323 * the --info or --debug setting, skipping any implied options (by -v, etc.).
324 * This is used both when conveying the user's options to the server, and
325 * when the help output wants to tell the user what options are implied. */
d239efa3 326static char *make_output_option(struct output_struct *words, short *levels, uchar where)
951e826b
WD		 327{
328 char *str = words == info_words ? "--info=" : "--debug=";
329 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
330 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
331 char *buf;
332
333 memset(counts, 0, sizeof counts);
334
335 for (j = 0; words[j].name; j++) {
336 if (words[j].flag != j) {
337 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
338 words == info_words ? "INFO_" : "DEBUG_",
339 words[j].name, words[j].flag, j);
340 exit_cleanup(RERR_UNSUPPORTED);
341 }
342 if (!(words[j].where & where))
343 continue;
344 if (words[j].priority == DEFAULT_PRIORITY) {
345 /* Implied items don't need to be mentioned. */
346 skipped++;
347 continue;
348 }
349 len += len ? 1 : strlen(str);
350 len += strlen(words[j].name);
351 len += levels[j] == 1 ? 0 : 1;
352
353 if (words[j].priority == HELP_PRIORITY)
354 continue; /* no abbreviating for help */
355
356 assert(levels[j] <= MAX_OUT_LEVEL);
357 if (++counts[levels[j]] > max) {
358 /* Determine which level has the most items. */
359 lev = levels[j];
360 max = counts[lev];
361 }
362 }
363
364 /* Sanity check the COUNT_* define against the length of the table. */
365 if (j != word_count) {
366 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
367 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
368 j, word_count);
369 exit_cleanup(RERR_UNSUPPORTED);
370 }
371
372 if (!len)
373 return NULL;
374
375 len++;
376 if (!(buf = new_array(char, len)))
377 out_of_memory("make_output_option");
378 pos = 0;
379
380 if (skipped || max < 5)
381 lev = -1;
382 else {
383 if (lev == 0)
384 pos += snprintf(buf, len, "%sNONE", str);
385 else if (lev == 1)
386 pos += snprintf(buf, len, "%sALL", str);
387 else
388 pos += snprintf(buf, len, "%sALL%d", str, lev);
389 }
390
391 for (j = 0; words[j].name && pos < len; j++) {
392 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
393 continue;
394 if (pos)
395 buf[pos++] = ',';
396 else
397 pos += strlcpy(buf+pos, str, len-pos);
398 if (pos < len)
399 pos += strlcpy(buf+pos, words[j].name, len-pos);
400 /* Level 1 is implied by the name alone. */
401 if (levels[j] != 1 && pos < len)
402 buf[pos++] = '0' + levels[j];
403 }
404
405 buf[pos] = '\0';
406
407 return buf;
408}
409
410static void parse_output_words(struct output_struct *words, short *levels,
d239efa3 411 const char *str, uchar priority)
951e826b
WD		 412{
413 const char *s;
414 int j, len, lev;
415
cbc42b9c 416 for ( ; str; str = s) {
951e826b
WD		 417 if ((s = strchr(str, ',')) != NULL)
418 len = s++ - str;
419 else
420 len = strlen(str);
cbc42b9c
WD		 421 if (!len)
422 continue;
423 if (!isDigit(str)) {
424 while (len && isDigit(str+len-1))
425 len--;
426 }
951e826b
WD		 427 lev = isDigit(str+len) ? atoi(str+len) : 1;
428 if (lev > MAX_OUT_LEVEL)
429 lev = MAX_OUT_LEVEL;
430 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
431 output_item_help(words);
432 exit_cleanup(0);
433 }
434 if (len == 4 && strncasecmp(str, "none", 4) == 0)
435 len = lev = 0;
436 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
437 len = 0;
438 for (j = 0; words[j].name; j++) {
439 if (!len
d239efa3 440 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
951e826b
WD		 441 if (priority >= words[j].priority) {
442 words[j].priority = priority;
443 levels[j] = lev;
444 }
445 if (len)
446 break;
447 }
448 }
449 if (len && !words[j].name) {
75d96978
WD		 450 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
451 words[j].help, len, str);
951e826b
WD		 452 exit_cleanup(RERR_SYNTAX);
453 }
951e826b
WD		 454 }
455}
456
457/* Tell the user what all the info or debug flags mean. */
458static void output_item_help(struct output_struct *words)
459{
460 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 461 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD		 462 char buf[128], *opt, *fmt = "%-10s %s\n";
463 int j;
464
75d96978
WD		 465 reset_output_levels();
466
951e826b
WD		 467 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
468 rprintf(FINFO, "\n");
469 for (j = 0; words[j].name; j++)
470 rprintf(FINFO, fmt, words[j].name, words[j].help);
471 rprintf(FINFO, "\n");
472
473 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
474 words[j].help, MAX_OUT_LEVEL);
475 rprintf(FINFO, fmt, "ALL", buf);
476
477 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
478 words[j].help);
479 rprintf(FINFO, fmt, "NONE", buf);
480
481 rprintf(FINFO, fmt, "HELP", "Output this help message");
482 rprintf(FINFO, "\n");
483 rprintf(FINFO, "Options added for each increase in verbose level:\n");
484
485 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 486 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD		 487 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
488 if (opt) {
489 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
490 free(opt);
491 }
75d96978 492 reset_output_levels();
951e826b 493 }
951e826b
WD		 494}
495
496/* The --verbose option now sets info+debug flags. */
d239efa3 497static void set_output_verbosity(int level, uchar priority)
951e826b
WD		 498{
499 int j;
500
501 if (level > MAX_VERBOSITY)
502 level = MAX_VERBOSITY;
503
504 for (j = 1; j <= level; j++) {
505 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
506 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
507 }
508}
509
510/* Limit the info+debug flag levels given a verbose-option level limit. */
511void limit_output_verbosity(int level)
512{
513 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
514 int j;
515
516 if (level > MAX_VERBOSITY)
517 return;
518
519 memset(info_limits, 0, sizeof info_limits);
520 memset(debug_limits, 0, sizeof debug_limits);
521
522 /* Compute the level limits in the above arrays. */
523 for (j = 1; j <= level; j++) {
524 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
525 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
526 }
527
528 for (j = 0; j < COUNT_INFO; j++) {
529 if (info_levels[j] > info_limits[j])
530 info_levels[j] = info_limits[j];
531 }
532
533 for (j = 0; j < COUNT_DEBUG; j++) {
534 if (debug_levels[j] > debug_limits[j])
535 debug_levels[j] = debug_limits[j];
536 }
537}
538
539void reset_output_levels(void)
540{
541 int j;
542
543 memset(info_levels, 0, sizeof info_levels);
544 memset(debug_levels, 0, sizeof debug_levels);
545
546 for (j = 0; j < COUNT_INFO; j++)
547 info_words[j].priority = DEFAULT_PRIORITY;
548
549 for (j = 0; j < COUNT_DEBUG; j++)
550 debug_words[j].priority = DEFAULT_PRIORITY;
551}
552
553void negate_output_levels(void)
554{
555 int j;
556
557 for (j = 0; j < COUNT_INFO; j++)
558 info_levels[j] *= -1;
559
560 for (j = 0; j < COUNT_DEBUG; j++)
561 debug_levels[j] *= -1;
562}
7a24c346 563
27a12348 564static void print_rsync_version(enum logcode f)
7a24c346 565{
2ed790f3 566 char *subprotocol = "";
dfa32483 567 char const *got_socketpair = "no ";
a3221d2a 568 char const *have_inplace = "no ";
dfa32483 569 char const *hardlinks = "no ";
28b519c9 570 char const *prealloc = "no ";
1ed56a05 571 char const *symtimes = "no ";
1c3344a1 572 char const *acls = "no ";
16edf865 573 char const *xattrs = "no ";
dfa32483 574 char const *links = "no ";
332cf6df 575 char const *iconv = "no ";
a358449a 576 char const *ipv6 = "no ";
736a6a29 577 STRUCT_STAT *dumstat;
0c80cd8e 578
2ed790f3 579#if SUBPROTOCOL_VERSION != 0
94112924
WD		 580 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
581 out_of_memory("print_rsync_version");
2ed790f3 582#endif
4f5b0756 583#ifdef HAVE_SOCKETPAIR
dfa32483 584 got_socketpair = "";
0c80cd8e 585#endif
4f5b0756 586#ifdef HAVE_FTRUNCATE
a3221d2a
WD		 587 have_inplace = "";
588#endif
4f5b0756 589#ifdef SUPPORT_HARD_LINKS
dfa32483 590 hardlinks = "";
2855f61f 591#endif
28b519c9
WD		 592#ifdef SUPPORT_PREALLOCATION
593 prealloc = "";
594#endif
1c3344a1
WD		 595#ifdef SUPPORT_ACLS
596 acls = "";
597#endif
16edf865
WD		 598#ifdef SUPPORT_XATTRS
599 xattrs = "";
600#endif
4f5b0756 601#ifdef SUPPORT_LINKS
dfa32483 602 links = "";
2855f61f 603#endif
4f5b0756 604#ifdef INET6
a358449a 605 ipv6 = "";
dfa32483 606#endif
332cf6df
WD		 607#ifdef ICONV_OPTION
608 iconv = "";
609#endif
accc091f 610#ifdef CAN_SET_SYMLINK_TIMES
1ed56a05
WD		 611 symtimes = "";
612#endif
a358449a 613
719522b9 614 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 615 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
3e2e4b5a 616 rprintf(f, "Copyright (C) 1996-2019 by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD		 617 rprintf(f, "Web site: http://rsync.samba.org/\n");
618 rprintf(f, "Capabilities:\n");
619 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD		 620 (int)(sizeof (OFF_T) * 8),
621 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 622 (int)(sizeof (time_t) * 8),
d619ff13
WD		 623 (int)(sizeof (int64) * 8));
624 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
625 got_socketpair, hardlinks, links, ipv6, have_inplace);
28b519c9
WD		 626 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes, %sprealloc\n",
627 have_inplace, acls, xattrs, iconv, symtimes, prealloc);
2855f61f 628
fc0302cf 629#ifdef MAINTAINER_MODE
29433538 630 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 631#endif
736a6a29 632
031fa9ad
WD		 633#if SIZEOF_INT64 < 8
634 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 635#endif
c561edaa
WD		 636 if (sizeof (int64) != SIZEOF_INT64) {
637 rprintf(f,
638 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
639 (int) SIZEOF_INT64, (int) sizeof (int64));
640 }
7b329a2d 641
b64ee91a
WD		 642 rprintf(f,"\n");
643 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD		 644 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
645 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP		 646}
647
648
0f3203c3 649void usage(enum logcode F)
7a6421fa 650{
2855f61f 651 print_rsync_version(F);
704f908e 652
b64ee91a
WD		 653 rprintf(F,"\n");
654 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 655 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 656
b64ee91a
WD		 657 rprintf(F,"\n");
658 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD		 659 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
660 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
661 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 662 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 663 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 664 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD		 665 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
666 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD		 667 rprintf(F,"\n");
668 rprintf(F,"Options\n");
704f908e 669 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD		 670 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
671 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
c1005fb2 672 rprintf(F," --msgs2stderr special output handling for debugging\n");
b3708acf 673 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 674 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 675 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 676 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 677 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT		 678 rprintf(F," -r, --recursive recurse into directories\n");
679 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 680 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 681 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD		 682 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
683 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
684 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 685 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 686 rprintf(F," --append append data onto shorter files\n");
936fa865 687 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 688 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 689 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD		 690 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
691 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
692 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
41adbcec 693 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
2dbf36ef 694 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 695 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 696 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 697 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 698 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 699 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD		 700#ifdef SUPPORT_ACLS
701 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD		 702#endif
703#ifdef SUPPORT_XATTRS
3caafdfd 704 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 705#endif
def97ff9 706 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 707 rprintf(F," -g, --group preserve group\n");
def97ff9 708 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD		 709 rprintf(F," --specials preserve special files\n");
710 rprintf(F," -D same as --devices --specials\n");
42b06481
WD		 711 rprintf(F," -t, --times preserve modification times\n");
712 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
2624e005 713 rprintf(F," -J, --omit-link-times omit symlinks from --times\n");
def97ff9 714 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD		 715#ifdef SUPPORT_XATTRS
716 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
717#endif
f3873b3d 718 rprintf(F," -S, --sparse turn sequences of nulls into sparse blocks\n");
28b519c9
WD		 719#ifdef SUPPORT_PREALLOCATION
720 rprintf(F," --preallocate allocate dest files before writing them\n");
721#else
722 rprintf(F," --preallocate pre-allocate dest files on remote receiver\n");
723#endif
d100e733 724 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 725 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
a5a7d3a2 726 rprintf(F," --checksum-choice=STR choose the checksum algorithms\n");
704f908e 727 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 728 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 729 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 730 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD		 731 rprintf(F," --existing skip creating new files on receiver\n");
732 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 733 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 734 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 735 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031 736 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
d5bff8ff 737 rprintf(F," --delete-during receiver deletes during the transfer\n");
b0cacef1 738 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 739 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 740 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
42d8ec61
WD		 741 rprintf(F," --ignore-missing-args ignore missing source args without error\n");
742 rprintf(F," --delete-missing-args delete missing source args from destination\n");
db2b5cb7 743 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 744 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 745 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 746 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 747 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 748 rprintf(F," --partial keep partially transferred files\n");
a7260c40 749 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 750 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 751 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 752 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
2df20057
WD		 753 rprintf(F," --usermap=STRING custom username mapping\n");
754 rprintf(F," --groupmap=STRING custom groupname mapping\n");
755 rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
ba22c9e2
WD		 756 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
757 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 758 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 759 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf 760 rprintf(F," --size-only skip files that match in size\n");
839dbff2 761 rprintf(F," -@, --modify-window=NUM set the accuracy for mod-time comparisons\n");
4db88e5b 762 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 763 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 764 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 765 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 766 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 767 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 768 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 769 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 770 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 771 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 772 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 773 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 774 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 775 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 776 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD		 777 rprintf(F," --include-from=FILE read include patterns from FILE\n");
778 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 779 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 780 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
08650cb1 781 rprintf(F," --copy-as=USER[:GROUP] specify user & optional group for the copy\n");
b4ef0bca 782 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 783 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 784 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 785 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 786 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 787 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 788 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 789 rprintf(F," --progress show progress during transfer\n");
b3708acf 790 rprintf(F," -P same as --partial --progress\n");
b78296cb 791 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD		 792 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
793 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
794 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 795 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 796 rprintf(F," --list-only list the files instead of copying them\n");
ce795fcd 797 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
6686b93a
WD		 798#ifdef HAVE_SETVBUF
799 rprintf(F," --outbuf=N|L|B set output buffering to None, Line, or Block\n");
800#endif
b3708acf 801 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 802 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 803 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 804 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 805#ifdef ICONV_OPTION
84e1a34e 806 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 807#endif
d9ca1e49 808 rprintf(F," --checksum-seed=NUM set block/file checksum seed (advanced)\n");
4db88e5b
WD		 809 rprintf(F," -4, --ipv4 prefer IPv4\n");
810 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 811 rprintf(F," --version print version number\n");
c4c5dc68 812 rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n");
7a6421fa 813
b64ee91a
WD		 814 rprintf(F,"\n");
815 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 816 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 817 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT		 818}
819
3ac7f5d4 820enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 821 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 822 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 823 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 824 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
ce795fcd 825 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
0ccffd7c 826 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 827
2855f61f
MP		 828static struct poptOption long_options[] = {
829 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 830 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 831 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 832 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 833 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 834 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD		 835 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
836 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
eabc85ef 837 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
e86e2fa1 838 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 839 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
840 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 841 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 842 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 843 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
844 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 845 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 846 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
847 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
848 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 849 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 850 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 851 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 852 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
853 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 854 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 855 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
856 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD		 857 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
858 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD		 859 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
860 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
861 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 862 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 863 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
864 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
865 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 866 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
867 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
868 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
2624e005 869 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
b6164938
WD		 870 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
871 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
f9998046 872 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 873 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
874 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
2624e005
WD		 875 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
876 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
877 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
839dbff2 878 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 879 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
880 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 881 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 882 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
883 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
884 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
885 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
886 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
887 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 888 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
889 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
890 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 891 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
b5c6a6ae
WD		 892 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
893 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 894 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 895 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
896 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 897 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
898 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
899 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD		 900 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
901 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 902 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 903 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 904 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 905 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
906 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 907 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
908 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 909 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 910 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 911 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 912 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
913 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 914 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 915 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
916 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 917 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
8b48c682
WD		 918 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
919 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 920 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 921 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 922 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 923 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 924 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 925 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD		 926 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
927 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
928 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
28b519c9 929 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
852e763b
WD		 930 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
931 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD		 932 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
933 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
934 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 935 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 936 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 937 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 938 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
939 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 940 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
941 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
42d8ec61
WD		 942 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
943 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
47c11975
WD		 944 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
945 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD		 946 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
947 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
948 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
949 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD		 950 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
951 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 952 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 953 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
954 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
955 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
956 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 957 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 958 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
959 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
a5a7d3a2 960 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
b6164938 961 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 962 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
963 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
964 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 965 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 966 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 967 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 968 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
48b51d00 969 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
852e763b 970 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 971 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 972 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
22a3ac0b
WD		 973 {"old-compress", 0, POPT_ARG_VAL, &do_compression, 1, 0, 0 },
974 {"new-compress", 0, POPT_ARG_VAL, &do_compression, 2, 0, 0 },
8487f9cf
WD		 975 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
976 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 977 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
22a3ac0b 978 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 0, 0, 0 },
11bfaf63 979 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 980 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
981 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
982 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
983 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 984 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 985 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
986 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD		 987 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
988 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
989 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 990 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 991 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
992 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
993 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 994 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 995 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
996 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
ce795fcd 997 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
8487f9cf
WD		 998 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
999 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
1000 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 1001 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 1002 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
1003 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 1004 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
1005 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 1006 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 1007 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 1008 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
1009 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD		 1010 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
1011 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1012 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD		 1013 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
1014 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD		 1015 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
1016 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
1017 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 1018 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 1019 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 1020 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 1021 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD		 1022 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
1023 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
1024 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD		 1025#ifdef ICONV_OPTION
1026 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 1027 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 1028#endif
3dd22903
WD		 1029 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1030 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD		 1031 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1032 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1033 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 1034 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
08650cb1 1035 {"copy-as", 0, POPT_ARG_STRING, &copy_as, 0, 0, 0 },
e86e2fa1
WD		 1036 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1037 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1038 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD		 1039 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1040 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1041 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
6686b93a
WD		 1042#ifdef HAVE_SETVBUF
1043 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1044#endif
7a2eca41 1045 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD		 1046 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1047 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 1048 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 1049 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1050 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 1051 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1052 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 1053 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 1054 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 1055 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 1056 {0,0,0,0, 0, 0, 0}
1057};
1058
1059static void daemon_usage(enum logcode F)
1060{
1061 print_rsync_version(F);
1062
b64ee91a
WD		 1063 rprintf(F,"\n");
1064 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1065 rprintf(F," --address=ADDRESS bind to the specified address\n");
ce795fcd 1066 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
3ac7f5d4 1067 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
2206abf8 1068 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
3ac7f5d4 1069 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1070 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1071 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1072 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1073 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1074 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD		 1075 rprintf(F," -4, --ipv4 prefer IPv4\n");
1076 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1077 rprintf(F," --help show this help screen\n");
3ac7f5d4 1078
b64ee91a
WD		 1079 rprintf(F,"\n");
1080 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD		 1081 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1082}
1083
1084static struct poptOption long_daemon_options[] = {
1085 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1086 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1087 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 1088 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1089 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 1090 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD		 1091 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1092 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1093 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1094 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1095 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1096 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1097 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1098 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 1099 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1100 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1101 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1102 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 1103 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1104 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1105 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1106 {0,0,0,0, 0, 0, 0}
2855f61f 1107};
7a6421fa 1108
06963d0f 1109
e51094b7 1110static char err_buf[200];
cd8185f2 1111
2855f61f 1112
dafe63ca
MP		 1113/**
1114 * Store the option error message, if any, so that we can log the
1115 * connection attempt (which requires parsing the options), and then
1116 * show the error later on.
1117 **/
cd8185f2
AT		 1118void option_error(void)
1119{
e51094b7 1120 if (!err_buf[0]) {
c9bce0b8
WD		 1121 strlcpy(err_buf, "Error parsing options: option may "
1122 "be supported on client but not on server?\n",
1123 sizeof err_buf);
cd8185f2 1124 }
e51094b7 1125
e51094b7 1126 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
8f1dc165 1127 msleep(20);
cd8185f2
AT		 1128}
1129
dafe63ca
MP		 1130
1131/**
27ed20f7
WD		 1132 * Tweak the option table to disable all options that the rsyncd.conf
1133 * file has told us to refuse.
dafe63ca 1134 **/
27ed20f7 1135static void set_refuse_options(char *bp)
cd8185f2 1136{
27ed20f7 1137 struct poptOption *op;
093e816c 1138 char *cp, shortname[2];
d73e7f6e 1139 int is_wild, found_match;
093e816c
WD		 1140
1141 shortname[1] = '\0';
27ed20f7
WD		 1142
1143 while (1) {
06a50542
WD		 1144 while (*bp == ' ') bp++;
1145 if (!*bp)
1146 break;
27ed20f7
WD		 1147 if ((cp = strchr(bp, ' ')) != NULL)
1148 *cp= '\0';
093e816c 1149 is_wild = strpbrk(bp, "*?[") != NULL;
d73e7f6e 1150 found_match = 0;
55afbb52 1151 for (op = long_options; ; op++) {
093e816c 1152 *shortname = op->shortName;
d73e7f6e
WD		 1153 if (!op->longName && !*shortname)
1154 break;
1155 if ((op->longName && wildmatch(bp, op->longName))
684d7582 1156 || (*shortname && wildmatch(bp, shortname))) {
e57211c5
WD		 1157 if (op->argInfo == POPT_ARG_VAL)
1158 op->argInfo = POPT_ARG_NONE;
06a50542 1159 op->val = (op - long_options) + OPT_REFUSED_BASE;
d73e7f6e 1160 found_match = 1;
3671987f
WD		 1161 /* These flags are set to let us easily check
1162 * an implied option later in the code. */
1163 switch (*shortname) {
3671987f
WD		 1164 case 'r': case 'd': case 'l': case 'p':
1165 case 't': case 'g': case 'o': case 'D':
1166 refused_archive_part = op->val;
1167 break;
854a1aad
WD		 1168 case 'z':
1169 refused_compress = op->val;
1170 break;
3671987f
WD		 1171 case '\0':
1172 if (wildmatch("delete", op->longName))
1173 refused_delete = op->val;
3296f91b
WD		 1174 else if (wildmatch("delete-before", op->longName))
1175 refused_delete_before = op->val;
e0e32031
WD		 1176 else if (wildmatch("delete-during", op->longName))
1177 refused_delete_during = op->val;
3671987f
WD		 1178 else if (wildmatch("partial", op->longName))
1179 refused_partial = op->val;
1180 else if (wildmatch("progress", op->longName))
1181 refused_progress = op->val;
a015788d
WD		 1182 else if (wildmatch("inplace", op->longName))
1183 refused_inplace = op->val;
0b52f94d
WD		 1184 else if (wildmatch("no-iconv", op->longName))
1185 refused_no_iconv = op->val;
3671987f
WD		 1186 break;
1187 }
06a50542
WD		 1188 if (!is_wild)
1189 break;
27ed20f7 1190 }
cd8185f2 1191 }
d73e7f6e
WD		 1192 if (!found_match) {
1193 rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
1194 bp);
1195 }
27ed20f7
WD		 1196 if (!cp)
1197 break;
1198 *cp = ' ';
1199 bp = cp + 1;
cd8185f2 1200 }
cd8185f2
AT		 1201}
1202
1203
8db7cc2c 1204static int count_args(const char **argv)
2855f61f 1205{
dfa32483 1206 int i = 0;
2855f61f 1207
8db7cc2c
WD		 1208 if (argv) {
1209 while (argv[i] != NULL)
1210 i++;
1211 }
dfa32483
WD		 1212
1213 return i;
2855f61f
MP		 1214}
1215
1216
837d01dd 1217static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1218{
3c19f72c
WD		 1219 int reps, mult, make_compatible = 0;
1220 const char *arg;
1221 OFF_T size = 1;
95e107db 1222
2dc7b8bd 1223 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1224 if (*arg == '.')
2dc7b8bd 1225 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1226 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1227 case 'b': case 'B':
3c19f72c 1228 reps = 0;
837d01dd 1229 break;
95e107db 1230 case 'k': case 'K':
3c19f72c 1231 reps = 1;
95e107db
WD		 1232 break;
1233 case 'm': case 'M':
3c19f72c 1234 reps = 2;
95e107db
WD		 1235 break;
1236 case 'g': case 'G':
3c19f72c 1237 reps = 3;
95e107db
WD		 1238 break;
1239 default:
3c19f72c 1240 return -1;
95e107db 1241 }
3c19f72c
WD		 1242 if (*arg == 'b' || *arg == 'B')
1243 mult = 1000, make_compatible = 1, arg++;
1244 else if (!*arg || *arg == '+' || *arg == '-')
1245 mult = 1024;
1246 else if (strncasecmp(arg, "ib", 2) == 0)
1247 mult = 1024, arg += 2;
1248 else
1249 return -1;
1250 while (reps--)
1251 size *= mult;
1252 size *= atof(*size_arg);
1253 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1254 size += atoi(arg), make_compatible = 1, arg += 2;
1255 if (*arg)
1256 return -1;
ce795fcd 1257 if (size > 0 && make_compatible && def_suf == 'b') {
74de13d1
WD		 1258 /* We convert this manually because we may need %lld precision,
1259 * and that's not a portable sprintf() escape. */
8f14cc49 1260 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1261 OFF_T num = size;
8f14cc49 1262 *s = '\0';
aeb213ea 1263 while (num) {
26404276 1264 *--s = (char)(num % 10) + '0';
aeb213ea
WD		 1265 num /= 10;
1266 }
1267 if (!(*size_arg = strdup(s)))
1268 out_of_memory("parse_size_arg");
1269 }
95e107db
WD		 1270 return size;
1271}
1272
1273
3671987f
WD		 1274static void create_refuse_error(int which)
1275{
1276 /* The "which" value is the index + OPT_REFUSED_BASE. */
1277 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1278 int n = snprintf(err_buf, sizeof err_buf,
1279 "The server is configured to refuse --%s\n",
1280 op->longName) - 1;
1281 if (op->shortName) {
1282 snprintf(err_buf + n, sizeof err_buf - n,
1283 " (-%c)\n", op->shortName);
1284 }
1285}
1286
9e7b8ab7
WD		 1287/* This is used to make sure that --daemon & --server cannot be aliased to
1288 * something else. These options have always disabled popt aliases for the
1289 * parsing of a daemon or server command-line, but we have to make sure that
1290 * these options cannot vanish so that the alias disabling can take effect. */
1291static void popt_unalias(poptContext con, const char *opt)
1292{
1293 struct poptAlias unalias;
1294
1295 unalias.longName = opt + 2; /* point past the leading "--" */
1296 unalias.shortName = '\0';
1297 unalias.argc = 1;
1298 unalias.argv = new_array(const char*, 1);
1299 unalias.argv[0] = strdup(opt);
1300
1301 poptAddAlias(con, unalias, 0);
1302}
3671987f 1303
dafe63ca
MP		 1304/**
1305 * Process command line arguments. Called on both local and remote.
1306 *
1307 * @retval 1 if all options are OK; with globals set to appropriate
1308 * values
1309 *
1310 * @retval 0 on error, with err_buf containing an explanation
1311 **/
53936ef9 1312int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1313{
7a4addaa 1314 static poptContext pc;
ffbffc64
WD		 1315 char *ref = lp_refuse_options(module_id);
1316 const char *arg, **argv = *argv_p;
1317 int argc = *argc_p;
1318 int opt;
77063038 1319 int orig_protect_args = protect_args;
d853783f 1320
a3668685
WD		 1321 if (argc == 0) {
1322 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1323 return 0;
1324 }
27ed20f7
WD		 1325 if (ref && *ref)
1326 set_refuse_options(ref);
0b52f94d 1327 if (am_daemon) {
232658d9 1328 set_refuse_options("log-file*");
2357a51e 1329#ifdef ICONV_OPTION
0b52f94d
WD		 1330 if (!*lp_charset(module_id))
1331 set_refuse_options("iconv");
2357a51e 1332#endif
0b52f94d 1333 }
27ed20f7 1334
332cf6df 1335#ifdef ICONV_OPTION
4c4a2962 1336 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 1337 iconv_opt = strdup(arg);
1338#endif
1339
dfa32483 1340 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1341
dfa32483
WD		 1342 /* The context leaks in case of an error, but if there's a
1343 * problem we always exit anyhow. */
7a4addaa
WD		 1344 if (pc)
1345 poptFreeContext(pc);
1346 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
9e7b8ab7 1347 if (!am_server) {
7a4addaa 1348 poptReadDefaultConfig(pc, 0);
9e7b8ab7
WD		 1349 popt_unalias(pc, "--daemon");
1350 popt_unalias(pc, "--server");
1351 }
2855f61f
MP		 1352
1353 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 1354 /* most options are handled automatically by popt;
1355 * only special cases are returned and listed here. */
2855f61f 1356
d853783f
AT		 1357 switch (opt) {
1358 case OPT_VERSION:
dfa32483 1359 print_rsync_version(FINFO);
d853783f 1360 exit_cleanup(0);
dfa32483 1361
0ccffd7c
WD		 1362 case OPT_SERVER:
1363 if (!am_server) {
1364 /* Disable popt aliases on the server side and
1365 * then start parsing the options again. */
1366 poptFreeContext(pc);
ffbffc64 1367 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD		 1368 long_options, 0);
1369 am_server = 1;
1370 }
332cf6df
WD		 1371#ifdef ICONV_OPTION
1372 iconv_opt = NULL;
1373#endif
0ccffd7c
WD		 1374 break;
1375
1376 case OPT_SENDER:
1377 if (!am_server) {
1378 usage(FERROR);
1379 exit_cleanup(RERR_SYNTAX);
1380 }
1381 am_sender = 1;
1382 break;
1383
3ac7f5d4
WD		 1384 case OPT_DAEMON:
1385 if (am_daemon) {
c9bce0b8
WD		 1386 strlcpy(err_buf,
1387 "Attempt to hack rsync thwarted!\n",
1388 sizeof err_buf);
3ac7f5d4
WD		 1389 return 0;
1390 }
332cf6df
WD		 1391#ifdef ICONV_OPTION
1392 iconv_opt = NULL;
1393#endif
4c4a2962 1394 protect_args = 0;
3ac7f5d4 1395 poptFreeContext(pc);
ffbffc64 1396 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD		 1397 long_daemon_options, 0);
1398 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1399 char **cpp;
3ac7f5d4
WD		 1400 switch (opt) {
1401 case 'h':
1402 daemon_usage(FINFO);
1403 exit_cleanup(0);
1404
2206abf8
WD		 1405 case 'M':
1406 arg = poptGetOptArg(pc);
1407 if (!strchr(arg, '=')) {
1408 rprintf(FERROR,
1409 "--dparam value is missing an '=': %s\n",
1410 arg);
1411 goto daemon_error;
1412 }
1413 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1414 *cpp = strdup(arg);
1415 break;
1416
1bd9db74
WD		 1417 case 'v':
1418 verbose++;
1419 break;
1420
3ac7f5d4
WD		 1421 default:
1422 rprintf(FERROR,
1423 "rsync: %s: %s (in daemon mode)\n",
1424 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1425 poptStrerror(opt));
1426 goto daemon_error;
1427 }
1428 }
b6e22a47 1429
2206abf8
WD		 1430 if (dparam_list.count && !set_dparams(1))
1431 exit_cleanup(RERR_SYNTAX);
1432
b6e22a47
WD		 1433 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1434 snprintf(err_buf, sizeof err_buf,
1435 "the --temp-dir path is WAY too long.\n");
1436 return 0;
1437 }
1438
3ac7f5d4
WD		 1439 if (!daemon_opt) {
1440 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1441 daemon_error:
1442 rprintf(FERROR,
1443 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1444 exit_cleanup(RERR_SYNTAX);
1445 }
b6e22a47 1446
ffbffc64
WD		 1447 *argv_p = argv = poptGetArgs(pc);
1448 *argc_p = argc = count_args(argv);
7f2a1f65 1449 am_starting_up = 0;
3ac7f5d4
WD		 1450 daemon_opt = 0;
1451 am_daemon = 1;
1452 return 1;
1453
5b56cc19 1454 case OPT_MODIFY_WINDOW:
dfa32483
WD		 1455 /* The value has already been set by popt, but
1456 * we need to remember that we're using a
1457 * non-default setting. */
5b56cc19
AT		 1458 modify_window_set = 1;
1459 break;
1de50993 1460
aa4d3b4c 1461 case OPT_FILTER:
c8fa85b2
MM		 1462 parse_filter_str(&filter_list, poptGetOptArg(pc),
1463 rule_template(0), 0);
d853783f
AT		 1464 break;
1465
aa4d3b4c 1466 case OPT_EXCLUDE:
c8fa85b2
MM		 1467 parse_filter_str(&filter_list, poptGetOptArg(pc),
1468 rule_template(0), XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 1469 break;
1470
d853783f 1471 case OPT_INCLUDE:
c8fa85b2
MM		 1472 parse_filter_str(&filter_list, poptGetOptArg(pc),
1473 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
d853783f
AT		 1474 break;
1475
1476 case OPT_EXCLUDE_FROM:
93695764 1477 case OPT_INCLUDE_FROM:
7be73df4 1478 arg = poptGetOptArg(pc);
1a7f3d99 1479 if (sanitize_paths)
d48810ba 1480 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1481 if (daemon_filter_list.head) {
200aec7d 1482 int rej;
2907af47 1483 char *cp = strdup(arg);
d3ef9859
WD		 1484 if (!cp)
1485 out_of_memory("parse_arguments");
3671987f 1486 if (!*cp)
2907af47
WD		 1487 rej = 1;
1488 else {
1489 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1490 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1491 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1492 }
d3ef9859 1493 free(cp);
200aec7d
WD		 1494 if (rej)
1495 goto options_rejected;
ba3db479 1496 }
3a5e9224 1497 parse_filter_file(&filter_list, arg,
c8fa85b2 1498 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
3a5e9224 1499 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1500 break;
1501
b6164938
WD		 1502 case 'a':
1503 if (refused_archive_part) {
1504 create_refuse_error(refused_archive_part);
1505 return 0;
1506 }
1507 if (!recurse) /* preserve recurse == 2 */
1508 recurse = 1;
1509#ifdef SUPPORT_LINKS
1510 preserve_links = 1;
1511#endif
1512 preserve_perms = 1;
2624e005 1513 preserve_times = 1;
b6164938
WD		 1514 preserve_gid = 1;
1515 preserve_uid = 1;
1516 preserve_devices = 1;
b5c6a6ae
WD		 1517 preserve_specials = 1;
1518 break;
1519
1520 case 'D':
1521 preserve_devices = preserve_specials = 1;
1522 break;
1523
1524 case OPT_NO_D:
1525 preserve_devices = preserve_specials = 0;
b6164938
WD		 1526 break;
1527
3ca9e5d8
WD		 1528 case 'h':
1529 human_readable++;
1530 break;
1531
e0e32031
WD		 1532 case 'H':
1533 preserve_hard_links++;
1534 break;
1535
487094a0
WD		 1536 case 'i':
1537 itemize_changes++;
1538 break;
1539
d853783f
AT		 1540 case 'v':
1541 verbose++;
1542 break;
7a6421fa 1543
48b51d00
WD		 1544 case 'y':
1545 fuzzy_basis++;
1546 break;
1547
b86f0cef 1548 case 'q':
53936ef9 1549 quiet++;
b86f0cef
DD		 1550 break;
1551
243c995f
WD		 1552 case 'x':
1553 one_file_system++;
1554 break;
1555
aa4d3b4c
WD		 1556 case 'F':
1557 switch (++F_option_cnt) {
1558 case 1:
c8fa85b2 1559 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
aa4d3b4c
WD		 1560 break;
1561 case 2:
c8fa85b2 1562 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
aa4d3b4c
WD		 1563 break;
1564 }
1565 break;
1566
d9fcc198 1567 case 'P':
3671987f
WD		 1568 if (refused_partial || refused_progress) {
1569 create_refuse_error(refused_partial
1570 ? refused_partial : refused_progress);
1571 return 0;
1572 }
d9fcc198
AT		 1573 do_progress = 1;
1574 keep_partial = 1;
1575 break;
1576
854a1aad 1577 case 'z':
22a3ac0b 1578 do_compression++;
854a1aad
WD		 1579 break;
1580
7a2eca41
WD		 1581 case 'M':
1582 arg = poptGetOptArg(pc);
1583 if (*arg != '-') {
1584 snprintf(err_buf, sizeof err_buf,
1585 "Remote option must start with a dash: %s\n", arg);
1586 return 0;
1587 }
1588 if (remote_option_cnt+2 >= remote_option_alloc) {
1589 remote_option_alloc += 16;
1590 remote_options = realloc_array(remote_options,
1591 const char *, remote_option_alloc);
1592 if (!remote_options)
1593 out_of_memory("parse_arguments");
1594 if (!remote_option_cnt)
1595 remote_options[0] = "ARG0";
1596 }
1597 remote_options[++remote_option_cnt] = arg;
1598 remote_options[remote_option_cnt+1] = NULL;
1599 break;
1600
088aac85 1601 case OPT_WRITE_BATCH:
9b3318b0 1602 /* batch_name is already set */
088aac85
DD		 1603 write_batch = 1;
1604 break;
1605
11e758a4
WD		 1606 case OPT_ONLY_WRITE_BATCH:
1607 /* batch_name is already set */
1608 write_batch = -1;
1609 break;
1610
76f79ba7 1611 case OPT_READ_BATCH:
9b3318b0 1612 /* batch_name is already set */
6902ed17
MP		 1613 read_batch = 1;
1614 break;
ea5164d1 1615
0b52f94d 1616 case OPT_NO_ICONV:
15dbffc2 1617#ifdef ICONV_OPTION
0b52f94d 1618 iconv_opt = NULL;
15dbffc2 1619#endif
0b52f94d
WD		 1620 break;
1621
7d5acf1d 1622 case OPT_MAX_SIZE:
9510fa9a 1623 if ((max_size = parse_size_arg(&max_size_arg, 'b')) < 0) {
e012f858 1624 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD		 1625 "--max-size value is invalid: %s\n",
1626 max_size_arg);
e012f858 1627 return 0;
7d5acf1d
WD		 1628 }
1629 break;
1630
74de13d1 1631 case OPT_MIN_SIZE:
9510fa9a 1632 if ((min_size = parse_size_arg(&min_size_arg, 'b')) < 0) {
74de13d1
WD		 1633 snprintf(err_buf, sizeof err_buf,
1634 "--min-size value is invalid: %s\n",
1635 min_size_arg);
1636 return 0;
1637 }
1638 break;
1639
ce795fcd
WD		 1640 case OPT_BWLIMIT:
1641 {
1642 OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1643 if (limit < 0) {
1644 snprintf(err_buf, sizeof err_buf,
1645 "--bwlimit value is invalid: %s\n", bwlimit_arg);
1646 return 0;
1647 }
1648 bwlimit = (limit + 512) / 1024;
1649 if (limit && !bwlimit) {
1650 snprintf(err_buf, sizeof err_buf,
1651 "--bwlimit value is too small: %s\n", bwlimit_arg);
1652 return 0;
1653 }
1654 }
1655 break;
1656
936fa865
WD		 1657 case OPT_APPEND:
1658 if (am_server)
1659 append_mode++;
1660 else
1661 append_mode = 1;
1662 break;
1663
59c95e42 1664 case OPT_LINK_DEST:
fcecb70b 1665#ifdef SUPPORT_HARD_LINKS
59c95e42 1666 link_dest = 1;
e012f858
WD		 1667 dest_option = "--link-dest";
1668 goto set_dest_dir;
59c95e42 1669#else
d175d7e1 1670 snprintf(err_buf, sizeof err_buf,
dfa32483 1671 "hard links are not supported on this %s\n",
59c95e42 1672 am_server ? "server" : "client");
59c95e42
DD		 1673 return 0;
1674#endif
1675
1de3e99b
WD		 1676 case OPT_COPY_DEST:
1677 copy_dest = 1;
1678 dest_option = "--copy-dest";
1679 goto set_dest_dir;
1680
e012f858
WD		 1681 case OPT_COMPARE_DEST:
1682 compare_dest = 1;
1683 dest_option = "--compare-dest";
1684 set_dest_dir:
3b26bba0 1685 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1686 snprintf(err_buf, sizeof err_buf,
1687 "ERROR: at most %d %s args may be specified\n",
1688 MAX_BASIS_DIRS, dest_option);
1689 return 0;
1690 }
ad77db8b
WD		 1691 /* We defer sanitizing this arg until we know what
1692 * our destination directory is going to be. */
1693 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1694 break;
1695
e16adcdf
WD		 1696 case OPT_CHMOD:
1697 arg = poptGetOptArg(pc);
bbe42182 1698 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD		 1699 snprintf(err_buf, sizeof err_buf,
1700 "Invalid argument passed to --chmod (%s)\n",
1701 arg);
1702 return 0;
1703 }
1704 break;
1705
951e826b
WD		 1706 case OPT_INFO:
1707 arg = poptGetOptArg(pc);
1708 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1709 break;
1710
1711 case OPT_DEBUG:
1712 arg = poptGetOptArg(pc);
1713 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1714 break;
1715
2df20057
WD		 1716 case OPT_USERMAP:
1717 if (usermap) {
1718 if (usermap_via_chown) {
1719 snprintf(err_buf, sizeof err_buf,
1720 "--usermap conflicts with prior --chown.\n");
1721 return 0;
1722 }
1723 snprintf(err_buf, sizeof err_buf,
1724 "You can only specify --usermap once.\n");
1725 return 0;
1726 }
1727 usermap = (char *)poptGetOptArg(pc);
1728 usermap_via_chown = False;
1729 break;
1730
1731 case OPT_GROUPMAP:
1732 if (groupmap) {
1733 if (groupmap_via_chown) {
1734 snprintf(err_buf, sizeof err_buf,
1735 "--groupmap conflicts with prior --chown.\n");
1736 return 0;
1737 }
1738 snprintf(err_buf, sizeof err_buf,
1739 "You can only specify --groupmap once.\n");
1740 return 0;
1741 }
1742 groupmap = (char *)poptGetOptArg(pc);
1743 groupmap_via_chown = False;
1744 break;
1745
1746 case OPT_CHOWN: {
1747 const char *chown = poptGetOptArg(pc);
1748 int len;
1749 if ((arg = strchr(chown, ':')) != NULL)
1750 len = arg++ - chown;
1751 else
1752 len = strlen(chown);
1753 if (len) {
1754 if (usermap) {
1755 if (!usermap_via_chown) {
1756 snprintf(err_buf, sizeof err_buf,
1757 "--chown conflicts with prior --usermap.\n");
1758 return 0;
1759 }
1760 snprintf(err_buf, sizeof err_buf,
1761 "You can only specify a user-affecting --chown once.\n");
1762 return 0;
1763 }
1764 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1765 out_of_memory("parse_arguments");
1766 usermap_via_chown = True;
1767 }
1768 if (arg && *arg) {
1769 if (groupmap) {
1770 if (!groupmap_via_chown) {
1771 snprintf(err_buf, sizeof err_buf,
1772 "--chown conflicts with prior --groupmap.\n");
1773 return 0;
1774 }
1775 snprintf(err_buf, sizeof err_buf,
1776 "You can only specify a group-affecting --chown once.\n");
1777 return 0;
1778 }
1779 if (asprintf(&groupmap, "*:%s", arg) < 0)
1780 out_of_memory("parse_arguments");
1781 groupmap_via_chown = True;
1782 }
1783 break;
1784 }
1785
f5a910dd
WD		 1786 case OPT_HELP:
1787 usage(FINFO);
1788 exit_cleanup(0);
1789
1c3344a1
WD		 1790 case 'A':
1791#ifdef SUPPORT_ACLS
1792 preserve_acls = 1;
1793 preserve_perms = 1;
1794 break;
1795#else
1796 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1797 * warning and then countermeasures taken to
1798 * restrict group and other access in the presence
1799 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1800 * for now */
1801 snprintf(err_buf,sizeof(err_buf),
1802 "ACLs are not supported on this %s\n",
1803 am_server ? "server" : "client");
1804 return 0;
1805#endif
1806
16edf865
WD		 1807 case 'X':
1808#ifdef SUPPORT_XATTRS
524eaa82 1809 preserve_xattrs++;
16edf865
WD		 1810 break;
1811#else
1812 snprintf(err_buf,sizeof(err_buf),
1813 "extended attributes are not supported on this %s\n",
1814 am_server ? "server" : "client");
1815 return 0;
1816#endif
1c3344a1 1817
d853783f 1818 default:
55afbb52 1819 /* A large opt value means that set_refuse_options()
3671987f 1820 * turned this option off. */
c67d1386 1821 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1822 create_refuse_error(opt);
1823 return 0;
27ed20f7 1824 }
3671987f
WD		 1825 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1826 am_server ? "on remote machine: " : "",
1827 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1828 poptStrerror(opt));
dfa32483 1829 return 0;
d853783f 1830 }
7a6421fa 1831 }
2855f61f 1832
4c4a2962 1833 if (protect_args < 0) {
2b2a4738
WD		 1834 if (am_server)
1835 protect_args = 0;
1836 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1837 protect_args = atoi(arg) ? 1 : 0;
1838 else {
4c4a2962 1839#ifdef RSYNC_USE_PROTECTED_ARGS
4c4a2962 1840 protect_args = 1;
2b2a4738 1841#else
4c4a2962 1842 protect_args = 0;
2b2a4738
WD		 1843#endif
1844 }
4c4a2962
WD		 1845 }
1846
a5a7d3a2
WD		 1847 if (checksum_choice && strcmp(checksum_choice, "auto") != 0 && strcmp(checksum_choice, "auto,auto") != 0) {
1848 /* Call this early to verify the args and figure out if we need to force
1849 * --whole-file. Note that the parse function will get called again later,
1850 * just in case an "auto" choice needs to know the protocol_version. */
1851 if (parse_checksum_choice())
1852 whole_file = 1;
1853 } else
1854 checksum_choice = NULL;
1855
adc2476f 1856 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1857 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1858 usage(FINFO);
1859 exit_cleanup(0);
1860 }
1861
22a3ac0b
WD		 1862 if (do_compression || def_compress_level != NOT_SPECIFIED) {
1863 if (def_compress_level == NOT_SPECIFIED)
1864 def_compress_level = Z_DEFAULT_COMPRESSION;
1865 else if (def_compress_level < Z_DEFAULT_COMPRESSION || def_compress_level > Z_BEST_COMPRESSION) {
1866 snprintf(err_buf, sizeof err_buf, "--compress-level value is invalid: %d\n",
1867 def_compress_level);
1868 return 0;
1869 } else if (def_compress_level == Z_NO_COMPRESSION)
1870 do_compression = 0;
1871 else if (!do_compression)
1872 do_compression = 1;
1873 if (do_compression && refused_compress) {
1874 create_refuse_error(refused_compress);
1875 return 0;
1876 }
1877#ifdef EXTERNAL_ZLIB
1878 if (do_compression == 1) {
1879 snprintf(err_buf, sizeof err_buf,
1880 "This rsync lacks old-style --compress due to its external zlib. Try -zz.\n");
1881 if (am_server)
1882 return 0;
1883 fprintf(stderr, "%s" "Continuing without compression.\n\n", err_buf);
1884 do_compression = 0;
1885 }
1886#endif
1887 }
1888
6686b93a
WD		 1889#ifdef HAVE_SETVBUF
1890 if (outbuf_mode && !am_server) {
1891 int mode = *(uchar *)outbuf_mode;
1892 if (islower(mode))
1893 mode = toupper(mode);
1894 fflush(stdout); /* Just in case... */
1895 switch (mode) {
1896 case 'N': /* None */
1897 case 'U': /* Unbuffered */
1898 mode = _IONBF;
1899 break;
1900 case 'L': /* Line */
1901 mode = _IOLBF;
1902 break;
1903 case 'B': /* Block */
1904 case 'F': /* Full */
1905 mode = _IOFBF;
1906 break;
1907 default:
1908 snprintf(err_buf, sizeof err_buf,
1909 "Invalid --outbuf setting -- specify N, L, or B.\n");
1910 return 0;
1911 }
1912 setvbuf(stdout, (char *)NULL, mode, 0);
1913 }
0dfd2a64
WD		 1914
1915 if (msgs2stderr) {
1916 /* Make stderr line buffered for better sharing of the stream. */
1917 fflush(stderr); /* Just in case... */
1918 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
1919 }
6686b93a
WD		 1920#endif
1921
951e826b
WD		 1922 set_output_verbosity(verbose, DEFAULT_PRIORITY);
1923
abd32c95 1924 if (do_stats) {
951e826b
WD		 1925 parse_output_words(info_words, info_levels,
1926 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
1927 }
1928
332cf6df 1929#ifdef ICONV_OPTION
a4453606 1930 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 1931 if (!am_server && strcmp(iconv_opt, "-") == 0)
1932 iconv_opt = NULL;
1933 else
1934 need_unsorted_flist = 1;
1935 }
0b52f94d
WD		 1936 if (refused_no_iconv && !iconv_opt) {
1937 create_refuse_error(refused_no_iconv);
1938 return 0;
1939 }
332cf6df
WD		 1940#endif
1941
48b51d00
WD		 1942 if (fuzzy_basis > 1)
1943 fuzzy_basis = basis_dir_cnt + 1;
1944
77063038
JO		 1945 /* Don't let the client reset protect_args if it was already processed */
1946 if (orig_protect_args == 2 && am_server)
1947 protect_args = orig_protect_args;
1948
53936ef9
WD		 1949 if (protect_args == 1 && am_server)
1950 return 1;
a4453606 1951
73cb6738
WD		 1952 *argv_p = argv = poptGetArgs(pc);
1953 *argc_p = argc = count_args(argv);
1954
4f5b0756 1955#ifndef SUPPORT_LINKS
54e87b4b 1956 if (preserve_links && !am_sender) {
e1add893
WD		 1957 snprintf(err_buf, sizeof err_buf,
1958 "symlinks are not supported on this %s\n",
1959 am_server ? "server" : "client");
e1add893
WD		 1960 return 0;
1961 }
1962#endif
1963
4f5b0756 1964#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 1965 if (preserve_hard_links) {
1966 snprintf(err_buf, sizeof err_buf,
1967 "hard links are not supported on this %s\n",
1968 am_server ? "server" : "client");
e1add893
WD		 1969 return 0;
1970 }
1971#endif
1972
cbbd8e2e
WD		 1973#ifdef SUPPORT_XATTRS
1974 if (am_root < 0 && preserve_xattrs > 1) {
1975 snprintf(err_buf, sizeof err_buf,
1976 "--fake-super conflicts with -XX\n");
1977 return 0;
1978 }
1979#else
9439c0cb
WD		 1980 if (am_root < 0) {
1981 snprintf(err_buf, sizeof err_buf,
1982 "--fake-super requires an rsync with extended attributes enabled\n");
1983 return 0;
1984 }
1985#endif
1986
d74512eb
WD		 1987 if (block_size > MAX_BLOCK_SIZE) {
1988 snprintf(err_buf, sizeof err_buf,
1989 "--block-size=%lu is too large (max: %u)\n", block_size, MAX_BLOCK_SIZE);
1990 return 0;
1991 }
1992
088aac85 1993 if (write_batch && read_batch) {
c3ea0990 1994 snprintf(err_buf, sizeof err_buf,
36119893 1995 "--write-batch and --read-batch can not be used together\n");
c3ea0990 1996 return 0;
088aac85 1997 }
11e758a4 1998 if (write_batch > 0 || read_batch) {
94327ff0
WD		 1999 if (am_server) {
2000 rprintf(FINFO,
2001 "ignoring --%s-batch option sent to server\n",
2002 write_batch ? "write" : "read");
2003 /* We don't actually exit_cleanup(), so that we can
2004 * still service older version clients that still send
2005 * batch args to server. */
2006 read_batch = write_batch = 0;
2007 batch_name = NULL;
254ee3ba
WD		 2008 } else if (dry_run)
2009 write_batch = 0;
69e2b4ee
WD		 2010 } else if (write_batch < 0 && dry_run)
2011 write_batch = 0;
36119893 2012 if (read_batch && files_from) {
c3ea0990 2013 snprintf(err_buf, sizeof err_buf,
36119893 2014 "--read-batch cannot be used with --files-from\n");
c3ea0990 2015 return 0;
36119893 2016 }
9eaba726
WD		 2017 if (read_batch && remove_source_files) {
2018 snprintf(err_buf, sizeof err_buf,
2019 "--read-batch cannot be used with --remove-%s-files\n",
2020 remove_source_files == 1 ? "source" : "sent");
2021 return 0;
2022 }
9b3318b0 2023 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 2024 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 2025 "the batch-file name must be %d characters or less.\n",
2026 MAX_BATCH_NAME_LEN);
c3ea0990 2027 return 0;
beb93684 2028 }
088aac85 2029
ce58b1b4 2030 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 2031 snprintf(err_buf, sizeof err_buf,
2032 "the --temp-dir path is WAY too long.\n");
2033 return 0;
ce58b1b4
WD		 2034 }
2035
7b9598b2
WD		 2036 if (max_delete < 0 && max_delete != INT_MIN) {
2037 /* Negative numbers are treated as "no deletions". */
2038 max_delete = 0;
2039 }
2040
1de3e99b 2041 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 2042 snprintf(err_buf, sizeof err_buf,
1de3e99b 2043 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD		 2044 return 0;
2045 }
2046
b6164938
WD		 2047 if (files_from) {
2048 if (recurse == 1) /* preserve recurse == 2 */
2049 recurse = 0;
550d4e23 2050 if (xfer_dirs < 0)
b6164938 2051 xfer_dirs = 1;
dfa32483 2052 }
51d48398 2053
20893751 2054 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD		 2055 list_only |= 1;
2056
2057 if (xfer_dirs >= 4) {
c8fa85b2 2058 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
73cb6738
WD		 2059 recurse = xfer_dirs = 1;
2060 } else if (recurse)
2061 xfer_dirs = 1;
2062 else if (xfer_dirs < 0)
2063 xfer_dirs = list_only ? 1 : 0;
dfa32483 2064
ea5164d1
WD		 2065 if (relative_paths < 0)
2066 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 2067 if (!relative_paths)
2068 implied_dirs = 0;
ea5164d1 2069
e0e32031 2070 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 2071 snprintf(err_buf, sizeof err_buf,
c6eb7fad 2072 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 2073 return 0;
2074 }
f5a910dd 2075 if (delete_before || delete_during || delete_after)
51d48398 2076 delete_mode = 1;
3296f91b 2077 else if (delete_mode || delete_excluded) {
e0e32031 2078 /* Only choose now between before & during if one is refused. */
3296f91b 2079 if (refused_delete_before) {
e0e32031
WD		 2080 if (!refused_delete_during)
2081 delete_during = 1;
2082 else {
2083 create_refuse_error(refused_delete_before);
2084 return 0;
2085 }
2086 } else if (refused_delete_during)
2087 delete_before = 1;
2088 delete_mode = 1;
3296f91b 2089 }
89fb5026
WD		 2090 if (!xfer_dirs && delete_mode) {
2091 snprintf(err_buf, sizeof err_buf,
44d7d045 2092 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
89fb5026 2093 return 0;
f5a910dd 2094 }
51d48398 2095
42d8ec61
WD		 2096 if (missing_args == 3) /* simplify if both options were specified */
2097 missing_args = 2;
2098 if (refused_delete && (delete_mode || missing_args == 2)) {
3671987f
WD		 2099 create_refuse_error(refused_delete);
2100 return 0;
2101 }
2102
47c11975
WD		 2103 if (remove_source_files) {
2104 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 2105 * via the refusal of "delete", not any of the "delete-FOO"
2106 * options. */
2107 if (refused_delete && am_sender) {
2108 create_refuse_error(refused_delete);
2109 return 0;
2110 }
2111 need_messages_from_generator = 1;
2112 }
2113
41adbcec
WD		 2114 if (munge_symlinks && !am_daemon) {
2115 STRUCT_STAT st;
2116 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2117 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2118 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2119 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2120 prefix);
2121 exit_cleanup(RERR_UNSUPPORTED);
2122 }
2123 }
2124
7be73df4
WD		 2125 if (sanitize_paths) {
2126 int i;
ffbffc64 2127 for (i = argc; i-- > 0; )
d48810ba 2128 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 2129 if (tmpdir)
d48810ba 2130 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 2131 if (backup_dir)
d48810ba 2132 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 2133 }
819bfe45 2134 if (daemon_filter_list.head && !am_sender) {
7b6c5c77 2135 filter_rule_list *elp = &daemon_filter_list;
c3ea0990 2136 if (tmpdir) {
a1018691 2137 char *dir;
3671987f
WD		 2138 if (!*tmpdir)
2139 goto options_rejected;
a1018691
WD		 2140 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2141 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2142 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD		 2143 goto options_rejected;
2144 }
c3ea0990 2145 if (backup_dir) {
a1018691 2146 char *dir;
3671987f
WD		 2147 if (!*backup_dir)
2148 goto options_rejected;
a1018691
WD		 2149 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2150 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2151 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 2152 goto options_rejected;
c3ea0990
WD		 2153 }
2154 }
7be73df4 2155
d175d7e1 2156 if (!backup_suffix)
e0391f81 2157 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 2158 backup_suffix_len = strlen(backup_suffix);
80ddadb7 2159 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 2160 snprintf(err_buf, sizeof err_buf,
2161 "--suffix cannot contain slashes: %s\n",
80ddadb7 2162 backup_suffix);
c3ea0990 2163 return 0;
80ddadb7 2164 }
e0391f81 2165 if (backup_dir) {
14ebc5b6 2166 size_t len;
3696674b
WD		 2167 while (*backup_dir == '.' && backup_dir[1] == '/')
2168 backup_dir += 2;
2169 if (*backup_dir == '.' && backup_dir[1] == '\0')
2170 backup_dir++;
14ebc5b6
WD		 2171 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2172 if (len > sizeof backup_dir_buf - 128) {
c3ea0990
WD		 2173 snprintf(err_buf, sizeof err_buf,
2174 "the --backup-dir path is WAY too long.\n");
2175 return 0;
e0391f81 2176 }
14ebc5b6 2177 backup_dir_len = (int)len;
4e9c7fae
WD		 2178 if (!backup_dir_len) {
2179 backup_dir_len = -1;
2180 backup_dir = NULL;
2181 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
e0391f81
WD		 2182 backup_dir_buf[backup_dir_len++] = '/';
2183 backup_dir_buf[backup_dir_len] = '\0';
2184 }
14ebc5b6 2185 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
4e9c7fae
WD		 2186 }
2187 if (backup_dir) {
2188 /* No need for a suffix or a protect rule. */
8dcf9335 2189 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2190 snprintf(err_buf, sizeof err_buf,
4e9c7fae
WD		 2191 "--suffix cannot be empty %s\n", backup_dir_len < 0
2192 ? "when --backup-dir is the same as the dest dir"
2193 : "without a --backup-dir");
c3ea0990 2194 return 0;
eb8f5c74
WD		 2195 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2196 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2197 "P *%s", backup_suffix);
c8fa85b2 2198 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
d175d7e1 2199 }
fbd91cae 2200
2624e005
WD		 2201 if (preserve_times) {
2202 preserve_times = PRESERVE_FILE_TIMES;
2203 if (!omit_dir_times)
2204 preserve_times |= PRESERVE_DIR_TIMES;
2205#ifdef CAN_SET_SYMLINK_TIMES
2206 if (!omit_link_times)
2207 preserve_times |= PRESERVE_LINK_TIMES;
2208#endif
2209 }
2210
fbd91cae
WD		 2211 if (make_backups && !backup_dir) {
2212 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2624e005 2213 preserve_times &= ~PRESERVE_DIR_TIMES;
fbd91cae 2214 }
d175d7e1 2215
b3e4e7ef
WD		 2216 if (stdout_format) {
2217 if (am_server && log_format_has(stdout_format, 'I'))
2218 stdout_format_has_i = 2;
2219 else if (log_format_has(stdout_format, 'i'))
2220 stdout_format_has_i = itemize_changes | 1;
2221 if (!log_format_has(stdout_format, 'b')
886df221
WD		 2222 && !log_format_has(stdout_format, 'c')
2223 && !log_format_has(stdout_format, 'C'))
e7651884
WD		 2224 log_before_transfer = !am_server;
2225 } else if (itemize_changes) {
b3e4e7ef
WD		 2226 stdout_format = "%i %n%L";
2227 stdout_format_has_i = itemize_changes;
e7651884
WD		 2228 log_before_transfer = !am_server;
2229 }
87383697 2230
951e826b
WD		 2231 if (do_progress && !am_server) {
2232 if (!log_before_transfer && INFO_EQ(NAME, 0))
2233 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2234 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 2235 }
87383697 2236
11e758a4
WD		 2237 if (dry_run)
2238 do_xfers = 0;
2239
9ac756c6
WD		 2240 set_io_timeout(io_timeout);
2241
951e826b 2242 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2243 stdout_format = "%n%L";
87383697 2244 log_before_transfer = !am_server;
3671987f 2245 }
b3e4e7ef
WD		 2246 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2247 stdout_format_has_o_or_i = 1;
e2559dbe 2248
232658d9 2249 if (logfile_name && !am_daemon) {
b3e4e7ef 2250 if (!logfile_format) {
232658d9 2251 logfile_format = "%i %n%L";
87c0f9d6 2252 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 2253 } else {
2254 if (log_format_has(logfile_format, 'i'))
19b85876 2255 logfile_format_has_i = 1;
b3e4e7ef
WD		 2256 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2257 logfile_format_has_o_or_i = 1;
87c0f9d6 2258 }
6dc9b74b 2259 log_init(0);
2873603a
WD		 2260 } else if (!am_daemon)
2261 logfile_format = NULL;
87c0f9d6 2262
9fb08441
WD		 2263 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2264 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 2265 if (bwlimit) {
2266 bwlimit_writemax = (size_t)bwlimit * 128;
2267 if (bwlimit_writemax < 512)
2268 bwlimit_writemax = 512;
2269 }
2270
a015788d
WD		 2271 if (append_mode) {
2272 if (whole_file > 0) {
2273 snprintf(err_buf, sizeof err_buf,
2274 "--append cannot be used with --whole-file\n");
2275 return 0;
2276 }
2277 if (refused_inplace) {
2278 create_refuse_error(refused_inplace);
2279 return 0;
2280 }
2281 inplace = 1;
2282 }
2283
f06e7082 2284 if (delay_updates && !partial_dir)
77860bac 2285 partial_dir = tmp_partialdir;
f06e7082 2286
a3221d2a 2287 if (inplace) {
4f5b0756 2288#ifdef HAVE_FTRUNCATE
a7260c40
WD		 2289 if (partial_dir) {
2290 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2291 "--%s cannot be used with --%s\n",
2292 append_mode ? "append" : "inplace",
f06e7082 2293 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 2294 return 0;
2295 }
3671987f
WD		 2296 /* --inplace implies --partial for refusal purposes, but we
2297 * clear the keep_partial flag for internal logic purposes. */
2298 if (refused_partial) {
2299 create_refuse_error(refused_partial);
2300 return 0;
2301 }
a3221d2a 2302 keep_partial = 0;
ded4daf0
WD		 2303#else
2304 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2305 "--%s is not supported on this %s\n",
2306 append_mode ? "append" : "inplace",
ded4daf0
WD		 2307 am_server ? "server" : "client");
2308 return 0;
2309#endif
075aa18f 2310 } else {
bc880cb8 2311 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 2312 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2313 partial_dir = strdup(arg);
2314 }
075aa18f 2315 if (partial_dir) {
3671987f 2316 if (*partial_dir)
b58bfb2f 2317 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 2318 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2319 partial_dir = NULL;
3671987f
WD		 2320 if (!partial_dir && refused_partial) {
2321 create_refuse_error(refused_partial);
2322 return 0;
2323 }
075aa18f
WD		 2324 keep_partial = 1;
2325 }
a3221d2a
WD		 2326 }
2327
ea5164d1 2328 if (files_from) {
305666bf
WD		 2329 char *h, *p;
2330 int q;
da7acc5e 2331 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
ea5164d1
WD		 2332 usage(FERROR);
2333 exit_cleanup(RERR_SYNTAX);
2334 }
63596e1c 2335 if (strcmp(files_from, "-") == 0) {
ea5164d1 2336 filesfrom_fd = 0;
63596e1c 2337 if (am_server)
305666bf
WD		 2338 filesfrom_host = ""; /* reading from socket */
2339 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2340 if (am_server) {
305666bf
WD		 2341 snprintf(err_buf, sizeof err_buf,
2342 "The --files-from sent to the server cannot specify a host.\n");
2343 return 0;
ea5164d1 2344 }
305666bf
WD		 2345 files_from = p;
2346 filesfrom_host = h;
2347 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 2348 snprintf(err_buf, sizeof err_buf,
2349 "Invalid --files-from remote filename\n");
2350 return 0;
ea5164d1
WD		 2351 }
2352 } else {
305666bf 2353 if (sanitize_paths)
d48810ba 2354 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2355 if (daemon_filter_list.head) {
a1018691 2356 char *dir;
305666bf
WD		 2357 if (!*files_from)
2358 goto options_rejected;
a1018691
WD		 2359 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2360 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2361 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD		 2362 goto options_rejected;
2363 }
ea5164d1
WD		 2364 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2365 if (filesfrom_fd < 0) {
c3ea0990
WD		 2366 snprintf(err_buf, sizeof err_buf,
2367 "failed to open files-from file %s: %s\n",
2368 files_from, strerror(errno));
2369 return 0;
ea5164d1
WD		 2370 }
2371 }
2372 }
2373
7f2a1f65
WD		 2374 am_starting_up = 0;
2375
b11ed3b1 2376 return 1;
f0fa8c6d
WD		 2377
2378 options_rejected:
2379 snprintf(err_buf, sizeof err_buf,
2380 "Your options have been rejected by the server.\n");
2381 return 0;
7a6421fa
AT		 2382}
2383
2384
dafe63ca
MP		 2385/**
2386 * Construct a filtered list of options to pass through from the
2387 * client to the server.
2388 *
2389 * This involves setting options that will tell the server how to
2390 * behave, and also filtering out options that are processed only
2391 * locally.
2392 **/
ffbffc64 2393void server_options(char **args, int *argc_p)
7a6421fa 2394{
74ba98a5 2395 static char argstr[64];
ffbffc64 2396 int ac = *argc_p;
d239efa3 2397 uchar where;
f98c60bf 2398 char *arg;
d853783f
AT		 2399 int i, x;
2400
def97ff9 2401 /* This should always remain first on the server's command-line. */
d853783f
AT		 2402 args[ac++] = "--server";
2403
e208631a 2404 if (daemon_over_rsh > 0) {
1312d9fc 2405 args[ac++] = "--daemon";
ffbffc64 2406 *argc_p = ac;
1312d9fc
WD		 2407 /* if we're passing --daemon, we're done */
2408 return;
2409 }
2410
d853783f
AT		 2411 if (!am_sender)
2412 args[ac++] = "--sender";
2413
2414 x = 1;
2415 argstr[0] = '-';
a4453606
WD		 2416
2417 if (protect_args)
2418 argstr[x++] = 's';
2419
f98c60bf 2420 for (i = 0; i < verbose; i++)
d853783f 2421 argstr[x++] = 'v';
f0b36a48 2422
b86f0cef 2423 /* the -q option is intentionally left out */
d853783f
AT		 2424 if (make_backups)
2425 argstr[x++] = 'b';
2426 if (update_only)
2427 argstr[x++] = 'u';
2dbf36ef 2428 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 2429 argstr[x++] = 'n';
2430 if (preserve_links)
2431 argstr[x++] = 'l';
73cb6738
WD		 2432 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2433 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2434 argstr[x++] = 'd';
35bf8fa0
WD		 2435 if (am_sender) {
2436 if (keep_dirlinks)
2437 argstr[x++] = 'K';
876c9936
WD		 2438 if (prune_empty_dirs)
2439 argstr[x++] = 'm';
f9998046 2440 if (omit_dir_times)
35bf8fa0 2441 argstr[x++] = 'O';
2624e005
WD		 2442 if (omit_link_times)
2443 argstr[x++] = 'J';
48b51d00
WD		 2444 if (fuzzy_basis) {
2445 argstr[x++] = 'y';
2446 if (fuzzy_basis > 1)
2447 argstr[x++] = 'y';
2448 }
2dbf36ef
WD		 2449 } else {
2450 if (copy_links)
2451 argstr[x++] = 'L';
2452 if (copy_dirlinks)
2453 argstr[x++] = 'k';
35bf8fa0 2454 }
1bfbf40b 2455
dfa32483 2456 if (whole_file > 0)
d853783f 2457 argstr[x++] = 'W';
bceec82f
MP		 2458 /* We don't need to send --no-whole-file, because it's the
2459 * default for remote transfers, and in any case old versions
2460 * of rsync will not understand it. */
dfa32483 2461
e0e32031 2462 if (preserve_hard_links) {
d853783f 2463 argstr[x++] = 'H';
e0e32031
WD		 2464 if (preserve_hard_links > 1)
2465 argstr[x++] = 'H';
2466 }
d853783f
AT		 2467 if (preserve_uid)
2468 argstr[x++] = 'o';
2469 if (preserve_gid)
2470 argstr[x++] = 'g';
b5c6a6ae 2471 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT		 2472 argstr[x++] = 'D';
2473 if (preserve_times)
2474 argstr[x++] = 't';
2475 if (preserve_perms)
2476 argstr[x++] = 'p';
344f9ba7
WD		 2477 else if (preserve_executability && am_sender)
2478 argstr[x++] = 'E';
1c3344a1
WD		 2479#ifdef SUPPORT_ACLS
2480 if (preserve_acls)
2481 argstr[x++] = 'A';
16edf865
WD		 2482#endif
2483#ifdef SUPPORT_XATTRS
524eaa82 2484 if (preserve_xattrs) {
16edf865 2485 argstr[x++] = 'X';
524eaa82
WD		 2486 if (preserve_xattrs > 1)
2487 argstr[x++] = 'X';
2488 }
1c3344a1 2489#endif
aa7a6e87 2490 if (recurse)
d853783f
AT		 2491 argstr[x++] = 'r';
2492 if (always_checksum)
2493 argstr[x++] = 'c';
2494 if (cvs_exclude)
2495 argstr[x++] = 'C';
2496 if (ignore_times)
2497 argstr[x++] = 'I';
2498 if (relative_paths)
2499 argstr[x++] = 'R';
243c995f 2500 if (one_file_system) {
d853783f 2501 argstr[x++] = 'x';
243c995f
WD		 2502 if (one_file_system > 1)
2503 argstr[x++] = 'x';
2504 }
d853783f
AT		 2505 if (sparse_files)
2506 argstr[x++] = 'S';
22a3ac0b 2507 if (do_compression == 1)
d853783f 2508 argstr[x++] = 'z';
f0b36a48 2509
29703623
WD		 2510 set_allow_inc_recurse();
2511
f643330e
WD		 2512 /* We don't really know the actual protocol_version at this point,
2513 * but checking the pre-negotiated value allows the user to use a
2514 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
29703623 2515 if (protocol_version >= 30) {
aca7dd3b
WD		 2516 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2517#define eFlags argstr
29703623
WD		 2518 /* We make use of the -e option to let the server know about
2519 * any pre-release protocol version && some behavior flags. */
aca7dd3b 2520 eFlags[x++] = 'e';
2ed790f3 2521#if SUBPROTOCOL_VERSION != 0
29703623
WD		 2522 if (protocol_version == PROTOCOL_VERSION) {
2523 x += snprintf(argstr+x, sizeof argstr - x,
2524 "%d.%d",
2525 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2526 } else
2ed790f3 2527#endif
aca7dd3b 2528 eFlags[x++] = '.';
29703623 2529 if (allow_inc_recurse)
aca7dd3b 2530 eFlags[x++] = 'i';
accc091f 2531#ifdef CAN_SET_SYMLINK_TIMES
aca7dd3b 2532 eFlags[x++] = 'L'; /* symlink time-setting support */
91fd15b8
WD		 2533#endif
2534#ifdef ICONV_OPTION
aca7dd3b 2535 eFlags[x++] = 's'; /* symlink iconv translation support */
1ed56a05 2536#endif
aca7dd3b
WD		 2537 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2538 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
eac85808 2539 eFlags[x++] = 'C'; /* support checksum seed order fix */
aca7dd3b 2540#undef eFlags
29703623
WD		 2541 }
2542
951e826b 2543 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD		 2544 rprintf(FERROR, "argstr overflow in server_options().\n");
2545 exit_cleanup(RERR_MALLOC);
2546 }
2547
951e826b
WD		 2548 argstr[x] = '\0';
2549
6d301fa3
WD		 2550 if (x > 1)
2551 args[ac++] = argstr;
d853783f 2552
a4453606
WD		 2553#ifdef ICONV_OPTION
2554 if (iconv_opt) {
2555 char *set = strchr(iconv_opt, ',');
2556 if (set)
2557 set++;
2558 else
2559 set = iconv_opt;
2560 if (asprintf(&arg, "--iconv=%s", set) < 0)
2561 goto oom;
2562 args[ac++] = arg;
2563 }
2564#endif
2565
53936ef9 2566 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD		 2567 args[ac++] = NULL;
2568
51d48398
WD		 2569 if (list_only > 1)
2570 args[ac++] = "--list-only";
2571
f5a910dd
WD		 2572 /* This makes sure that the remote rsync can handle deleting with -d
2573 * sans -r because the --no-r option was added at the same time. */
2574 if (xfer_dirs && !recurse && delete_mode && am_sender)
2575 args[ac++] = "--no-r";
2576
854a1aad
WD		 2577 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2578 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2579 goto oom;
2580 args[ac++] = arg;
2581 }
2582
b5c6a6ae
WD		 2583 if (preserve_devices) {
2584 /* Note: sending "--devices" would not be backward-compatible. */
2585 if (!preserve_specials)
2586 args[ac++] = "--no-specials"; /* -D is already set. */
2587 } else if (preserve_specials)
2588 args[ac++] = "--specials";
2589
5c5e1598
WD		 2590 /* The server side doesn't use our log-format, but in certain
2591 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 2592 if (stdout_format && am_sender) {
2593 /* Use --log-format, not --out-format, for compatibility. */
2594 if (stdout_format_has_i > 1)
487094a0 2595 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2596 else if (stdout_format_has_i)
684d7582 2597 args[ac++] = "--log-format=%i";
b3e4e7ef 2598 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 2599 args[ac++] = "--log-format=%o";
2600 else if (!verbose)
2601 args[ac++] = "--log-format=X";
2602 }
1f30a674 2603
195bd906 2604 if (block_size) {
a06b419d 2605 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD		 2606 goto oom;
2607 args[ac++] = arg;
dfa32483 2608 }
d853783f
AT		 2609
2610 if (io_timeout) {
f98c60bf
WD		 2611 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2612 goto oom;
2613 args[ac++] = arg;
dfa32483 2614 }
d853783f 2615
ef5d23eb 2616 if (bwlimit) {
f98c60bf
WD		 2617 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2618 goto oom;
2619 args[ac++] = arg;
ef5d23eb
DD		 2620 }
2621
d175d7e1
WD		 2622 if (backup_dir) {
2623 args[ac++] = "--backup-dir";
2624 args[ac++] = backup_dir;
2625 }
2626
2627 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2628 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2629 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD		 2630 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2631 goto oom;
2632 args[ac++] = arg;
d853783f
AT		 2633 }
2634
a5a7d3a2
WD		 2635 if (checksum_choice) {
2636 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2637 goto oom;
2638 args[ac++] = arg;
2639 }
2640
06a50542 2641 if (am_sender) {
7b9598b2
WD		 2642 if (max_delete > 0) {
2643 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2644 goto oom;
2645 args[ac++] = arg;
2646 } else if (max_delete == 0)
d6ca255c 2647 args[ac++] = "--max-delete=-1";
9510fa9a 2648 if (min_size >= 0) {
7b9598b2
WD		 2649 args[ac++] = "--min-size";
2650 args[ac++] = min_size_arg;
2651 }
9510fa9a 2652 if (max_size >= 0) {
7b9598b2
WD		 2653 args[ac++] = "--max-size";
2654 args[ac++] = max_size_arg;
2655 }
e0e32031 2656 if (delete_before)
c6eb7fad 2657 args[ac++] = "--delete-before";
0d152437
WD		 2658 else if (delete_during == 2)
2659 args[ac++] = "--delete-delay";
2660 else if (delete_during)
2661 args[ac++] = "--delete-during";
2662 else if (delete_after)
06a50542 2663 args[ac++] = "--delete-after";
e0e32031
WD		 2664 else if (delete_mode && !delete_excluded)
2665 args[ac++] = "--delete";
2666 if (delete_excluded)
2667 args[ac++] = "--delete-excluded";
06a50542
WD		 2668 if (force_delete)
2669 args[ac++] = "--force";
11e758a4
WD		 2670 if (write_batch < 0)
2671 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 2672 if (am_root > 1)
2673 args[ac++] = "--super";
f17e769e
WD		 2674 if (size_only)
2675 args[ac++] = "--size-only";
dc6fb11b
WD		 2676 if (do_stats)
2677 args[ac++] = "--stats";
b1e436ec
WD		 2678 } else {
2679 if (skip_compress) {
2680 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2681 goto oom;
2682 args[ac++] = arg;
2683 }
06a50542 2684 }
b33b791e 2685
42d8ec61
WD		 2686 /* --delete-missing-args needs the cooperation of both sides, but
2687 * the sender can handle --ignore-missing-args by itself. */
2688 if (missing_args == 2)
ce66f417 2689 args[ac++] = "--delete-missing-args";
42d8ec61
WD		 2690 else if (missing_args == 1 && !am_sender)
2691 args[ac++] = "--ignore-missing-args";
ce66f417 2692
839dbff2
WD		 2693 if (modify_window_set && am_sender) {
2694 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2695 if (asprintf(&arg, fmt, modify_window) < 0)
f98c60bf
WD		 2696 goto oom;
2697 args[ac++] = arg;
5b56cc19
AT		 2698 }
2699
c8d895de 2700 if (checksum_seed) {
221ddb94 2701 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 2702 goto oom;
2703 args[ac++] = arg;
2704 }
2705
a7260c40 2706 if (partial_dir && am_sender) {
77860bac 2707 if (partial_dir != tmp_partialdir) {
3671987f
WD		 2708 args[ac++] = "--partial-dir";
2709 args[ac++] = partial_dir;
2710 }
f06e7082
WD		 2711 if (delay_updates)
2712 args[ac++] = "--delay-updates";
77860bac 2713 } else if (keep_partial && am_sender)
d853783f
AT		 2714 args[ac++] = "--partial";
2715
ef55c686
AT		 2716 if (ignore_errors)
2717 args[ac++] = "--ignore-errors";
2718
b5313607
DD		 2719 if (copy_unsafe_links)
2720 args[ac++] = "--copy-unsafe-links";
2721
d853783f
AT		 2722 if (safe_symlinks)
2723 args[ac++] = "--safe-links";
2724
2725 if (numeric_ids)
2726 args[ac++] = "--numeric-ids";
2727
95def6d9
WD		 2728 if (use_qsort)
2729 args[ac++] = "--use-qsort";
2730
4f3797c7 2731 if (am_sender) {
2df20057
WD		 2732 if (usermap) {
2733 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2734 goto oom;
2735 args[ac++] = arg;
2736 }
2737
2738 if (groupmap) {
2739 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2740 goto oom;
2741 args[ac++] = arg;
2742 }
2743
4f3797c7
WD		 2744 if (ignore_existing)
2745 args[ac++] = "--ignore-existing";
2746
2747 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2748 if (ignore_non_existing)
2749 args[ac++] = "--existing";
3d6feada 2750
4f3797c7
WD		 2751 if (tmpdir) {
2752 args[ac++] = "--temp-dir";
2753 args[ac++] = tmpdir;
2754 }
2755
2756 if (basis_dir[0]) {
2757 /* the server only needs this option if it is not the sender,
2758 * and it may be an older version that doesn't know this
2759 * option, so don't send it if client is the sender.
2760 */
4f3797c7
WD		 2761 for (i = 0; i < basis_dir_cnt; i++) {
2762 args[ac++] = dest_option;
2763 args[ac++] = basis_dir[i];
2764 }
2765 }
2766 }
e90aab49 2767
951e826b
WD		 2768 /* What flags do we need to send to the other side? */
2769 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2770 arg = make_output_option(info_words, info_levels, where);
2771 if (arg)
2772 args[ac++] = arg;
2773
2774 arg = make_output_option(debug_words, debug_levels, where);
2775 if (arg)
2776 args[ac++] = arg;
2777
936fa865
WD		 2778 if (append_mode) {
2779 if (append_mode > 1)
2780 args[ac++] = "--append";
a015788d 2781 args[ac++] = "--append";
936fa865 2782 } else if (inplace)
a3221d2a
WD		 2783 args[ac++] = "--inplace";
2784
305666bf
WD		 2785 if (files_from && (!am_sender || filesfrom_host)) {
2786 if (filesfrom_host) {
ea5164d1 2787 args[ac++] = "--files-from";
305666bf 2788 args[ac++] = files_from;
ea5164d1
WD		 2789 if (eol_nulls)
2790 args[ac++] = "--from0";
2791 } else {
2792 args[ac++] = "--files-from=-";
2793 args[ac++] = "--from0";
2794 }
c0ab28d1
WD		 2795 if (!relative_paths)
2796 args[ac++] = "--no-relative";
ea5164d1 2797 }
33a04593
WD		 2798 /* It's OK that this checks the upper-bound of the protocol_version. */
2799 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2800 args[ac++] = "--no-implied-dirs";
ea5164d1 2801
47c11975
WD		 2802 if (remove_source_files == 1)
2803 args[ac++] = "--remove-source-files";
2804 else if (remove_source_files)
07c6ae7d
WD		 2805 args[ac++] = "--remove-sent-files";
2806
28b519c9
WD		 2807 if (preallocate_files && am_sender)
2808 args[ac++] = "--preallocate";
2809
7a2eca41
WD		 2810 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2811 rprintf(FERROR, "argc overflow in server_options().\n");
2812 exit_cleanup(RERR_MALLOC);
2813 }
2814
22a3ac0b
WD		 2815 if (do_compression > 1)
2816 args[ac++] = "--new-compress";
2817
7a2eca41
WD		 2818 if (remote_option_cnt) {
2819 int j;
2820 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2821 rprintf(FERROR, "too many remote options specified.\n");
2822 exit_cleanup(RERR_SYNTAX);
2823 }
2824 for (j = 1; j <= remote_option_cnt; j++)
2825 args[ac++] = (char*)remote_options[j];
2826 }
2827
ffbffc64 2828 *argc_p = ac;
f98c60bf
WD		 2829 return;
2830
2831 oom:
2832 out_of_memory("server_options");
7a6421fa
AT		 2833}
2834
58cf3547
WD		 2835/* If str points to a valid hostspec, return allocated memory containing the
2836 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2837 * the string after the host part. Otherwise, return NULL. If port_ptr is
2838 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2839 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2840 * (required for parsing) [ and ] chars elided from the returned string. */
2841static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2842{
4d13a2fe 2843 char *s, *host_start = str;
58cf3547
WD		 2844 int hostlen = 0, userlen = 0;
2845 char *ret;
2846
4d13a2fe 2847 for (s = str; ; s++) {
58cf3547
WD		 2848 if (!*s) {
2849 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD		 2850 if (!port_ptr)
2851 return NULL;
2852 if (!hostlen)
2853 hostlen = s - host_start;
2854 break;
58cf3547
WD		 2855 }
2856 if (*s == ':' || *s == '/') {
2857 if (!hostlen)
2858 hostlen = s - host_start;
2859 if (*s++ == '/') {
2860 if (!port_ptr)
2861 return NULL;
2862 } else if (port_ptr) {
2863 *port_ptr = atoi(s);
2864 while (isDigit(s)) s++;
4d13a2fe 2865 if (*s && *s++ != '/')
58cf3547
WD		 2866 return NULL;
2867 }
2868 break;
2869 }
2870 if (*s == '@') {
2871 userlen = s - str + 1;
2872 host_start = s + 1;
2873 } else if (*s == '[') {
2874 if (s != host_start++)
2875 return NULL;
2876 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2877 hostlen = s - host_start;
2878 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2879 return NULL;
2880 }
2881 }
2882
2883 *path_start_ptr = s;
2884 ret = new_array(char, userlen + hostlen + 1);
2885 if (userlen)
2886 strlcpy(ret, str, userlen + 1);
2887 strlcpy(ret + userlen, host_start, hostlen + 1);
2888 return ret;
2889}
2890
305666bf
WD		 2891/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2892 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2893 * memory with the HOST. If a daemon-accessing spec was specified, the value
2894 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2895 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2896 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2897 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2898char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 2899{
58cf3547 2900 char *path;
305666bf
WD		 2901
2902 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD		 2903 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2904 if (*host_ptr) {
2905 if (!*port_ptr)
2906 *port_ptr = RSYNC_PORT;
2907 return path;
305666bf 2908 }
305666bf
WD		 2909 }
2910
58cf3547
WD		 2911 *host_ptr = parse_hostspec(s, &path, NULL);
2912 if (!*host_ptr)
2913 return NULL;
ea5164d1 2914
58cf3547 2915 if (*path == ':') {
305666bf
WD		 2916 if (port_ptr && !*port_ptr)
2917 *port_ptr = RSYNC_PORT;
58cf3547 2918 return path + 1;
305666bf
WD		 2919 }
2920 if (port_ptr)
2921 *port_ptr = 0;
ea5164d1 2922
58cf3547 2923 return path;
ea5164d1 2924}
Mirror of https://github.com/WayneD/rsync.git