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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>
c5fabfb0 6 * Copyright (C) 2002-2020 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"
c5fabfb0 24#include "latest-year.h"
35bf8fa0 25#include <popt.h>
7da17144 26#include <zlib.h>
7a6421fa 27
7bc90b30 28extern int module_id;
53936ef9 29extern int local_server;
7be73df4 30extern int sanitize_paths;
e208631a 31extern int daemon_over_rsh;
a1018691 32extern unsigned int module_dirlen;
7b6c5c77
WD
33extern filter_rule_list filter_list;
34extern filter_rule_list daemon_filter_list;
8645af1d 35
22a3ac0b
WD
36#define NOT_SPECIFIED (-42)
37
7a6421fa 38int make_backups = 0;
1bfbf40b
MP
39
40/**
dfa32483 41 * If 1, send the whole file as literal data rather than trying to
dafe63ca 42 * create an incremental diff.
1bfbf40b 43 *
dfa32483 44 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP
45 *
46 * @sa disable_deltas_p()
1bfbf40b 47 **/
dfa32483 48int whole_file = -1;
1bfbf40b 49
a015788d 50int append_mode = 0;
716e73d4 51int keep_dirlinks = 0;
2dbf36ef 52int copy_dirlinks = 0;
7a6421fa 53int copy_links = 0;
9e9d33a2 54int write_devices = 0;
7a6421fa
AT
55int preserve_links = 0;
56int preserve_hard_links = 0;
1c3344a1 57int preserve_acls = 0;
16edf865 58int preserve_xattrs = 0;
7a6421fa 59int preserve_perms = 0;
344f9ba7 60int preserve_executability = 0;
7a6421fa 61int preserve_devices = 0;
b5c6a6ae 62int preserve_specials = 0;
7a6421fa
AT
63int preserve_uid = 0;
64int preserve_gid = 0;
65int preserve_times = 0;
b9367410 66int preserve_atimes = 0;
7a6421fa 67int update_only = 0;
87257f86 68int open_noatime = 0;
7a6421fa 69int cvs_exclude = 0;
a5c11139 70int dry_run = 0;
11e758a4 71int do_xfers = 1;
a5c11139
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72int ignore_times = 0;
73int delete_mode = 0;
a51b3168 74int delete_during = 0;
51d48398
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75int delete_before = 0;
76int delete_after = 0;
a5c11139 77int delete_excluded = 0;
47c11975 78int remove_source_files = 0;
a5c11139 79int one_file_system = 0;
4f3e9a0f 80int protocol_version = PROTOCOL_VERSION;
a5c11139 81int sparse_files = 0;
28b519c9 82int preallocate_files = 0;
a5c11139 83int do_compression = 0;
22a3ac0b 84int def_compress_level = NOT_SPECIFIED;
9439c0cb 85int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
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86int am_server = 0;
87int am_sender = 0;
7f2a1f65 88int am_starting_up = 1;
ea5164d1
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89int relative_paths = -1;
90int implied_dirs = 1;
42d8ec61 91int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
7a6421fa 92int numeric_ids = 0;
eabc85ef 93int msgs2stderr = 0;
5974c662 94int allow_8bit_chars = 0;
7a6421fa
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95int force_delete = 0;
96int io_timeout = 0;
876c9936 97int prune_empty_dirs = 0;
8487f9cf 98int use_qsort = 0;
ea5164d1
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99char *files_from = NULL;
100int filesfrom_fd = -1;
305666bf 101char *filesfrom_host = NULL;
ea5164d1 102int eol_nulls = 0;
4c4a2962 103int protect_args = -1;
adc2476f 104int human_readable = 1;
7a6421fa 105int recurse = 0;
5275029d 106int allow_inc_recurse = 1;
b6164938 107int xfer_dirs = -1;
1312d9fc 108int am_daemon = 0;
ba22c9e2 109int connect_timeout = 0;
a5c11139
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110int keep_partial = 0;
111int safe_symlinks = 0;
112int copy_unsafe_links = 0;
41adbcec 113int munge_symlinks = 0;
a5c11139 114int size_only = 0;
9fb08441 115int daemon_bwlimit = 0;
a5c11139 116int bwlimit = 0;
c4ed1487 117int fuzzy_basis = 0;
3c74c3a3 118size_t bwlimit_writemax = 0;
e90aab49
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119int ignore_existing = 0;
120int ignore_non_existing = 0;
07c6ae7d 121int need_messages_from_generator = 0;
7b9598b2 122int max_delete = INT_MIN;
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123OFF_T max_size = -1;
124OFF_T min_size = -1;
a5c11139
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125int ignore_errors = 0;
126int modify_window = 0;
127int blocking_io = -1;
2289bf64 128int checksum_seed = 0;
a3221d2a 129int inplace = 0;
f06e7082 130int delay_updates = 0;
a06b419d 131long block_size = 0; /* "long" because popt can't set an int32. */
b1e436ec 132char *skip_compress = NULL;
08650cb1 133char *copy_as = NULL;
2206abf8 134item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 135
13e29995 136/** Network address family. **/
24d677fc 137int default_af_hint
4f5b0756 138#ifdef INET6
24d677fc 139 = 0; /* Any protocol */
6ab6d4bf 140#else
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141 = AF_INET; /* Must use IPv4 */
142# ifdef AF_INET6
143# undef AF_INET6
144# endif
145# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 146#endif
06963d0f 147
13e29995
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148/** Do not go into the background when run as --daemon. Good
149 * for debugging and required for running as a service on W32,
150 * or under Unix process-monitors. **/
1f35babc
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151int no_detach
152#if defined _WIN32 || defined __WIN32__
153 = 1;
154#else
155 = 0;
156#endif
13e29995 157
088aac85
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158int write_batch = 0;
159int read_batch = 0;
d175d7e1
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160int backup_dir_len = 0;
161int backup_suffix_len;
e0391f81 162unsigned int backup_dir_remainder;
6902ed17 163
d175d7e1 164char *backup_suffix = NULL;
7a6421fa 165char *tmpdir = NULL;
a7260c40 166char *partial_dir = NULL;
e012f858 167char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 168char *config_file = NULL;
7a6421fa 169char *shell_cmd = NULL;
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170char *logfile_name = NULL;
171char *logfile_format = NULL;
b3e4e7ef 172char *stdout_format = NULL;
65575e96 173char *password_file = NULL;
41bd28fe 174char *rsync_path = RSYNC_PATH;
66203a98 175char *backup_dir = NULL;
e0391f81 176char backup_dir_buf[MAXPATHLEN];
831f06a5 177char *sockopts = NULL;
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178char *usermap = NULL;
179char *groupmap = NULL;
0c56b1ad 180int rsync_port = 0;
dfd7d541 181int compare_dest = 0;
1de3e99b 182int copy_dest = 0;
59c95e42 183int link_dest = 0;
ce0b384f 184int basis_dir_cnt = 0;
f9a9f547 185char *dest_option = NULL;
7a6421fa 186
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187static int remote_option_alloc = 0;
188int remote_option_cnt = 0;
189const char **remote_options = NULL;
a5a7d3a2 190const char *checksum_choice = NULL;
7a2eca41 191
b86f0cef 192int quiet = 0;
dc1f7b9e 193int output_motd = 1;
e7651884 194int log_before_transfer = 0;
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195int stdout_format_has_i = 0;
196int stdout_format_has_o_or_i = 0;
87c0f9d6 197int logfile_format_has_i = 0;
87c0f9d6 198int logfile_format_has_o_or_i = 0;
7a6421fa 199int always_checksum = 0;
f7632fc6 200int list_only = 0;
7a6421fa 201
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202#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
203char *batch_name = NULL;
6902ed17 204
332cf6df 205int need_unsorted_flist = 0;
f7a76b9c 206#ifdef ICONV_OPTION
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207char *iconv_opt = ICONV_OPTION;
208#endif
209
dd32e2c3
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210struct chmod_mode_struct *chmod_modes = NULL;
211
d239efa3 212static const char *debug_verbosity[] = {
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213 /*0*/ NULL,
214 /*1*/ NULL,
261808da 215 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
7ae666d2 216 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
261808da
WD
217 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
218 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
951e826b
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219};
220
221#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
222
d239efa3 223static const char *info_verbosity[1+MAX_VERBOSITY] = {
951e826b 224 /*0*/ NULL,
261808da 225 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
3b8f8192 226 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
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WD
227};
228
229#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
230
231short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
232
233#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
234#define HELP_PRIORITY 1 /* The help output uses this level. */
235#define USER_PRIORITY 2 /* User-specified via --info or --debug */
236#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
237
238#define W_CLI (1<<0) /* client side */
239#define W_SRV (1<<1) /* server side */
240#define W_SND (1<<2) /* sending side */
241#define W_REC (1<<3) /* receiving side */
242
243struct output_struct {
244 char *name; /* The name of the info/debug flag. */
245 char *help; /* The description of the info/debug flag. */
d239efa3
WD
246 uchar namelen; /* The length of the name string. */
247 uchar flag; /* The flag's value, for consistency check. */
248 uchar where; /* Bits indicating where the flag is used. */
249 uchar priority; /* See *_PRIORITY defines. */
951e826b
WD
250};
251
d239efa3 252#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 253
75d96978 254static struct output_struct info_words[COUNT_INFO+1] = {
951e826b
WD
255 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
256 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
257 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
258 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
3b8f8192 259 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
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260 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
261 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
262 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
263 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
264 INFO_WORD(SKIP, W_REC, "Mention files that are skipped due to options used"),
265 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
266 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 267 { NULL, "--info", 0, 0, 0, 0 }
951e826b
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268};
269
d239efa3 270#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 271
75d96978 272static struct output_struct debug_words[COUNT_DEBUG+1] = {
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WD
273 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
274 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
275 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
276 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
7ae666d2 277 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
951e826b
WD
278 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
279 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 280 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b 281 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
0c2e8f93 282 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
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WD
283 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
284 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
285 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
286 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 287 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
86be7a0e 288 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
c9f540f3 289 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
20caffd2 290 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
951e826b
WD
291 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
292 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
293 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
294 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
295 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 296 { NULL, "--debug", 0, 0, 0, 0 }
951e826b
WD
297};
298
299static int verbose = 0;
300static int do_stats = 0;
301static int do_progress = 0;
e1add893 302static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 303static int omit_dir_times = 0;
2624e005 304static int omit_link_times = 0;
aa4d3b4c 305static int F_option_cnt = 0;
5b56cc19 306static int modify_window_set;
624d6be2 307static int itemize_changes = 0;
854a1aad 308static int refused_delete, refused_archive_part, refused_compress;
3296f91b 309static int refused_partial, refused_progress, refused_delete_before;
e0e32031 310static int refused_delete_during;
0b52f94d 311static int refused_inplace, refused_no_iconv;
2df20057 312static BOOL usermap_via_chown, groupmap_via_chown;
f143b55e 313#ifdef HAVE_SETVBUF
6686b93a 314static char *outbuf_mode;
f143b55e 315#endif
ce795fcd 316static char *bwlimit_arg, *max_size_arg, *min_size_arg;
77860bac 317static char tmp_partialdir[] = ".~tmp~";
5b56cc19 318
06963d0f 319/** Local address to bind. As a character string because it's
fdf57ede 320 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP
321 * address, or a hostname. **/
322char *bind_address;
5c9730a4 323
951e826b
WD
324static void output_item_help(struct output_struct *words);
325
326/* This constructs a string that represents all the options set for either
327 * the --info or --debug setting, skipping any implied options (by -v, etc.).
328 * This is used both when conveying the user's options to the server, and
329 * when the help output wants to tell the user what options are implied. */
d239efa3 330static char *make_output_option(struct output_struct *words, short *levels, uchar where)
951e826b
WD
331{
332 char *str = words == info_words ? "--info=" : "--debug=";
333 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
334 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
335 char *buf;
336
337 memset(counts, 0, sizeof counts);
338
339 for (j = 0; words[j].name; j++) {
340 if (words[j].flag != j) {
341 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
342 words == info_words ? "INFO_" : "DEBUG_",
343 words[j].name, words[j].flag, j);
344 exit_cleanup(RERR_UNSUPPORTED);
345 }
346 if (!(words[j].where & where))
347 continue;
348 if (words[j].priority == DEFAULT_PRIORITY) {
349 /* Implied items don't need to be mentioned. */
350 skipped++;
351 continue;
352 }
353 len += len ? 1 : strlen(str);
354 len += strlen(words[j].name);
355 len += levels[j] == 1 ? 0 : 1;
356
357 if (words[j].priority == HELP_PRIORITY)
358 continue; /* no abbreviating for help */
359
360 assert(levels[j] <= MAX_OUT_LEVEL);
361 if (++counts[levels[j]] > max) {
362 /* Determine which level has the most items. */
363 lev = levels[j];
364 max = counts[lev];
365 }
366 }
367
368 /* Sanity check the COUNT_* define against the length of the table. */
369 if (j != word_count) {
370 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
371 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
372 j, word_count);
373 exit_cleanup(RERR_UNSUPPORTED);
374 }
375
376 if (!len)
377 return NULL;
378
379 len++;
380 if (!(buf = new_array(char, len)))
381 out_of_memory("make_output_option");
382 pos = 0;
383
384 if (skipped || max < 5)
385 lev = -1;
386 else {
387 if (lev == 0)
388 pos += snprintf(buf, len, "%sNONE", str);
389 else if (lev == 1)
390 pos += snprintf(buf, len, "%sALL", str);
391 else
392 pos += snprintf(buf, len, "%sALL%d", str, lev);
393 }
394
395 for (j = 0; words[j].name && pos < len; j++) {
396 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
397 continue;
398 if (pos)
399 buf[pos++] = ',';
400 else
401 pos += strlcpy(buf+pos, str, len-pos);
402 if (pos < len)
403 pos += strlcpy(buf+pos, words[j].name, len-pos);
404 /* Level 1 is implied by the name alone. */
405 if (levels[j] != 1 && pos < len)
406 buf[pos++] = '0' + levels[j];
407 }
408
409 buf[pos] = '\0';
410
411 return buf;
412}
413
414static void parse_output_words(struct output_struct *words, short *levels,
d239efa3 415 const char *str, uchar priority)
951e826b
WD
416{
417 const char *s;
418 int j, len, lev;
419
cbc42b9c 420 for ( ; str; str = s) {
951e826b
WD
421 if ((s = strchr(str, ',')) != NULL)
422 len = s++ - str;
423 else
424 len = strlen(str);
cbc42b9c
WD
425 if (!len)
426 continue;
427 if (!isDigit(str)) {
428 while (len && isDigit(str+len-1))
429 len--;
430 }
951e826b
WD
431 lev = isDigit(str+len) ? atoi(str+len) : 1;
432 if (lev > MAX_OUT_LEVEL)
433 lev = MAX_OUT_LEVEL;
434 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
435 output_item_help(words);
436 exit_cleanup(0);
437 }
438 if (len == 4 && strncasecmp(str, "none", 4) == 0)
439 len = lev = 0;
440 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
441 len = 0;
442 for (j = 0; words[j].name; j++) {
443 if (!len
d239efa3 444 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
951e826b
WD
445 if (priority >= words[j].priority) {
446 words[j].priority = priority;
447 levels[j] = lev;
448 }
449 if (len)
450 break;
451 }
452 }
453 if (len && !words[j].name) {
75d96978
WD
454 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
455 words[j].help, len, str);
951e826b
WD
456 exit_cleanup(RERR_SYNTAX);
457 }
951e826b
WD
458 }
459}
460
461/* Tell the user what all the info or debug flags mean. */
462static void output_item_help(struct output_struct *words)
463{
464 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 465 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD
466 char buf[128], *opt, *fmt = "%-10s %s\n";
467 int j;
468
75d96978
WD
469 reset_output_levels();
470
951e826b
WD
471 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
472 rprintf(FINFO, "\n");
473 for (j = 0; words[j].name; j++)
474 rprintf(FINFO, fmt, words[j].name, words[j].help);
475 rprintf(FINFO, "\n");
476
477 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
478 words[j].help, MAX_OUT_LEVEL);
479 rprintf(FINFO, fmt, "ALL", buf);
480
481 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
482 words[j].help);
483 rprintf(FINFO, fmt, "NONE", buf);
484
485 rprintf(FINFO, fmt, "HELP", "Output this help message");
486 rprintf(FINFO, "\n");
487 rprintf(FINFO, "Options added for each increase in verbose level:\n");
488
489 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 490 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD
491 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
492 if (opt) {
493 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
494 free(opt);
495 }
75d96978 496 reset_output_levels();
951e826b 497 }
951e826b
WD
498}
499
500/* The --verbose option now sets info+debug flags. */
d239efa3 501static void set_output_verbosity(int level, uchar priority)
951e826b
WD
502{
503 int j;
504
505 if (level > MAX_VERBOSITY)
506 level = MAX_VERBOSITY;
507
508 for (j = 1; j <= level; j++) {
509 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
510 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
511 }
512}
513
514/* Limit the info+debug flag levels given a verbose-option level limit. */
515void limit_output_verbosity(int level)
516{
517 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
518 int j;
519
520 if (level > MAX_VERBOSITY)
521 return;
522
523 memset(info_limits, 0, sizeof info_limits);
524 memset(debug_limits, 0, sizeof debug_limits);
525
526 /* Compute the level limits in the above arrays. */
527 for (j = 1; j <= level; j++) {
528 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
529 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
530 }
531
532 for (j = 0; j < COUNT_INFO; j++) {
533 if (info_levels[j] > info_limits[j])
534 info_levels[j] = info_limits[j];
535 }
536
537 for (j = 0; j < COUNT_DEBUG; j++) {
538 if (debug_levels[j] > debug_limits[j])
539 debug_levels[j] = debug_limits[j];
540 }
541}
542
543void reset_output_levels(void)
544{
545 int j;
546
547 memset(info_levels, 0, sizeof info_levels);
548 memset(debug_levels, 0, sizeof debug_levels);
549
550 for (j = 0; j < COUNT_INFO; j++)
551 info_words[j].priority = DEFAULT_PRIORITY;
552
553 for (j = 0; j < COUNT_DEBUG; j++)
554 debug_words[j].priority = DEFAULT_PRIORITY;
555}
556
557void negate_output_levels(void)
558{
559 int j;
560
561 for (j = 0; j < COUNT_INFO; j++)
562 info_levels[j] *= -1;
563
564 for (j = 0; j < COUNT_DEBUG; j++)
565 debug_levels[j] *= -1;
566}
7a24c346 567
27a12348 568static void print_rsync_version(enum logcode f)
7a24c346 569{
2ed790f3 570 char *subprotocol = "";
dfa32483 571 char const *got_socketpair = "no ";
a3221d2a 572 char const *have_inplace = "no ";
dfa32483 573 char const *hardlinks = "no ";
28b519c9 574 char const *prealloc = "no ";
1ed56a05 575 char const *symtimes = "no ";
1c3344a1 576 char const *acls = "no ";
16edf865 577 char const *xattrs = "no ";
dfa32483 578 char const *links = "no ";
332cf6df 579 char const *iconv = "no ";
a358449a 580 char const *ipv6 = "no ";
5fa4209c 581 char const *simd = "no ";
736a6a29 582 STRUCT_STAT *dumstat;
0c80cd8e 583
2ed790f3 584#if SUBPROTOCOL_VERSION != 0
94112924
WD
585 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
586 out_of_memory("print_rsync_version");
2ed790f3 587#endif
4f5b0756 588#ifdef HAVE_SOCKETPAIR
dfa32483 589 got_socketpair = "";
0c80cd8e 590#endif
4f5b0756 591#ifdef HAVE_FTRUNCATE
a3221d2a
WD
592 have_inplace = "";
593#endif
4f5b0756 594#ifdef SUPPORT_HARD_LINKS
dfa32483 595 hardlinks = "";
2855f61f 596#endif
28b519c9
WD
597#ifdef SUPPORT_PREALLOCATION
598 prealloc = "";
599#endif
1c3344a1
WD
600#ifdef SUPPORT_ACLS
601 acls = "";
602#endif
16edf865
WD
603#ifdef SUPPORT_XATTRS
604 xattrs = "";
605#endif
4f5b0756 606#ifdef SUPPORT_LINKS
dfa32483 607 links = "";
2855f61f 608#endif
4f5b0756 609#ifdef INET6
a358449a 610 ipv6 = "";
dfa32483 611#endif
332cf6df
WD
612#ifdef ICONV_OPTION
613 iconv = "";
614#endif
accc091f 615#ifdef CAN_SET_SYMLINK_TIMES
1ed56a05
WD
616 symtimes = "";
617#endif
5fa4209c
JJ
618#ifdef HAVE_SIMD
619 simd = "";
70c6b408 620#endif
a358449a 621
719522b9 622 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 623 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
c5fabfb0 624 rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD
625 rprintf(f, "Web site: http://rsync.samba.org/\n");
626 rprintf(f, "Capabilities:\n");
627 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD
628 (int)(sizeof (OFF_T) * 8),
629 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 630 (int)(sizeof (time_t) * 8),
d619ff13
WD
631 (int)(sizeof (int64) * 8));
632 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
633 got_socketpair, hardlinks, links, ipv6, have_inplace);
5fa4209c
JJ
634 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes, %sprealloc, %sSIMD\n",
635 have_inplace, acls, xattrs, iconv, symtimes, prealloc, simd);
2855f61f 636
fc0302cf 637#ifdef MAINTAINER_MODE
29433538 638 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 639#endif
736a6a29 640
031fa9ad
WD
641#if SIZEOF_INT64 < 8
642 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 643#endif
c561edaa
WD
644 if (sizeof (int64) != SIZEOF_INT64) {
645 rprintf(f,
646 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
647 (int) SIZEOF_INT64, (int) sizeof (int64));
648 }
7b329a2d 649
b64ee91a
WD
650 rprintf(f,"\n");
651 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD
652 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
653 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP
654}
655
656
0f3203c3 657void usage(enum logcode F)
7a6421fa 658{
2855f61f 659 print_rsync_version(F);
704f908e 660
b64ee91a
WD
661 rprintf(F,"\n");
662 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 663 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 664
b64ee91a
WD
665 rprintf(F,"\n");
666 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD
667 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
668 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
669 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 670 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 671 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 672 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD
673 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
674 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD
675 rprintf(F,"\n");
676 rprintf(F,"Options\n");
704f908e 677 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD
678 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
679 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
c1005fb2 680 rprintf(F," --msgs2stderr special output handling for debugging\n");
b3708acf 681 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 682 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 683 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 684 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 685 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT
686 rprintf(F," -r, --recursive recurse into directories\n");
687 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 688 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 689 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD
690 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
691 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
692 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 693 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 694 rprintf(F," --append append data onto shorter files\n");
936fa865 695 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 696 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 697 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD
698 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
699 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
700 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
41adbcec 701 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
2dbf36ef 702 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 703 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 704 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 705 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 706 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 707 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD
708#ifdef SUPPORT_ACLS
709 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD
710#endif
711#ifdef SUPPORT_XATTRS
3caafdfd 712 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 713#endif
def97ff9 714 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 715 rprintf(F," -g, --group preserve group\n");
def97ff9 716 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD
717 rprintf(F," --specials preserve special files\n");
718 rprintf(F," -D same as --devices --specials\n");
42b06481 719 rprintf(F," -t, --times preserve modification times\n");
b9367410 720 rprintf(F," -U, --atimes preserve access (last-used) times\n");
87257f86 721 rprintf(F," --open-noatime avoid changing the atime on opened files\n");
42b06481 722 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
2624e005 723 rprintf(F," -J, --omit-link-times omit symlinks from --times\n");
def97ff9 724 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD
725#ifdef SUPPORT_XATTRS
726 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
727#endif
f3873b3d 728 rprintf(F," -S, --sparse turn sequences of nulls into sparse blocks\n");
28b519c9
WD
729#ifdef SUPPORT_PREALLOCATION
730 rprintf(F," --preallocate allocate dest files before writing them\n");
731#else
732 rprintf(F," --preallocate pre-allocate dest files on remote receiver\n");
733#endif
9e9d33a2 734 rprintf(F," --write-devices write to devices as files (implies --inplace)\n");
d100e733 735 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 736 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
a5a7d3a2 737 rprintf(F," --checksum-choice=STR choose the checksum algorithms\n");
704f908e 738 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 739 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 740 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 741 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD
742 rprintf(F," --existing skip creating new files on receiver\n");
743 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 744 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 745 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 746 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031 747 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
d5bff8ff 748 rprintf(F," --delete-during receiver deletes during the transfer\n");
b0cacef1 749 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 750 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 751 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
42d8ec61
WD
752 rprintf(F," --ignore-missing-args ignore missing source args without error\n");
753 rprintf(F," --delete-missing-args delete missing source args from destination\n");
db2b5cb7 754 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 755 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 756 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 757 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 758 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 759 rprintf(F," --partial keep partially transferred files\n");
a7260c40 760 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 761 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 762 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 763 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
2df20057
WD
764 rprintf(F," --usermap=STRING custom username mapping\n");
765 rprintf(F," --groupmap=STRING custom groupname mapping\n");
766 rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
ba22c9e2
WD
767 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
768 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 769 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 770 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf 771 rprintf(F," --size-only skip files that match in size\n");
839dbff2 772 rprintf(F," -@, --modify-window=NUM set the accuracy for mod-time comparisons\n");
4db88e5b 773 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 774 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 775 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 776 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 777 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 778 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 779 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 780 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 781 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 782 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 783 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 784 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 785 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 786 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 787 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD
788 rprintf(F," --include-from=FILE read include patterns from FILE\n");
789 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 790 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 791 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
08650cb1 792 rprintf(F," --copy-as=USER[:GROUP] specify user & optional group for the copy\n");
b4ef0bca 793 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 794 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 795 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 796 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 797 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 798 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 799 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 800 rprintf(F," --progress show progress during transfer\n");
b3708acf 801 rprintf(F," -P same as --partial --progress\n");
b78296cb 802 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD
803 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
804 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
805 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 806 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 807 rprintf(F," --list-only list the files instead of copying them\n");
ce795fcd 808 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
6686b93a
WD
809#ifdef HAVE_SETVBUF
810 rprintf(F," --outbuf=N|L|B set output buffering to None, Line, or Block\n");
811#endif
b3708acf 812 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 813 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 814 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 815 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 816#ifdef ICONV_OPTION
84e1a34e 817 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 818#endif
d9ca1e49 819 rprintf(F," --checksum-seed=NUM set block/file checksum seed (advanced)\n");
4db88e5b
WD
820 rprintf(F," -4, --ipv4 prefer IPv4\n");
821 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 822 rprintf(F," --version print version number\n");
c4c5dc68 823 rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n");
7a6421fa 824
b64ee91a
WD
825 rprintf(F,"\n");
826 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 827 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 828 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT
829}
830
3ac7f5d4 831enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 832 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 833 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 834 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 835 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
ce795fcd 836 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
0ccffd7c 837 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 838
2855f61f
MP
839static struct poptOption long_options[] = {
840 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 841 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 842 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 843 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 844 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 845 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD
846 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
847 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
eabc85ef 848 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
e86e2fa1 849 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD
850 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
851 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 852 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 853 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD
854 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
855 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 856 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD
857 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
858 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
859 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 860 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 861 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 862 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD
863 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
864 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 865 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD
866 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
867 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD
868 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
869 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD
870 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
871 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
872 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 873 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD
874 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
875 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
876 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD
877 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
878 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
879 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
2624e005 880 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
b6164938
WD
881 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
882 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
b9367410
WD
883 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
884 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
885 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
87257f86
WD
886 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
887 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
f9998046 888 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD
889 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
890 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
2624e005
WD
891 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
892 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
893 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
839dbff2 894 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD
895 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
896 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 897 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD
898 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
899 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
900 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
901 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
902 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
903 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD
904 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
905 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
906 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 907 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
9e9d33a2
WD
908 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
909 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
b5c6a6ae
WD
910 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
911 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 912 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD
913 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
914 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD
915 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
916 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
917 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD
918 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
919 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 920 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 921 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 922 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD
923 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
924 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD
925 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
926 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 927 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 928 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 929 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD
930 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
931 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 932 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD
933 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
934 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 935 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
8b48c682
WD
936 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
937 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 938 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 939 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 940 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 941 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 942 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 943 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD
944 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
945 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
946 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
28b519c9 947 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
852e763b
WD
948 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
949 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD
950 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
951 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
952 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 953 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 954 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 955 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD
956 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
957 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD
958 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
959 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
42d8ec61
WD
960 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
961 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
47c11975
WD
962 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
963 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD
964 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
965 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
966 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
967 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD
968 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
969 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 970 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD
971 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
972 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
973 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
974 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 975 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD
976 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
977 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
a5a7d3a2 978 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
b6164938 979 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD
980 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
981 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
982 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 983 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 984 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 985 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 986 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
48b51d00 987 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
852e763b 988 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 989 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 990 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
22a3ac0b
WD
991 {"old-compress", 0, POPT_ARG_VAL, &do_compression, 1, 0, 0 },
992 {"new-compress", 0, POPT_ARG_VAL, &do_compression, 2, 0, 0 },
8487f9cf
WD
993 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
994 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 995 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
22a3ac0b 996 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 0, 0, 0 },
11bfaf63 997 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD
998 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
999 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
1000 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
1001 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 1002 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD
1003 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
1004 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD
1005 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
1006 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
1007 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 1008 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD
1009 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1010 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
1011 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 1012 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD
1013 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
1014 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
ce795fcd 1015 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
8487f9cf
WD
1016 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
1017 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
1018 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 1019 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD
1020 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
1021 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD
1022 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
1023 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 1024 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 1025 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD
1026 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
1027 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD
1028 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
1029 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1030 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD
1031 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
1032 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD
1033 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
1034 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
1035 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 1036 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 1037 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 1038 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 1039 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD
1040 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
1041 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
1042 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD
1043#ifdef ICONV_OPTION
1044 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 1045 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 1046#endif
3dd22903
WD
1047 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1048 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD
1049 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1050 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1051 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 1052 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
08650cb1 1053 {"copy-as", 0, POPT_ARG_STRING, &copy_as, 0, 0, 0 },
e86e2fa1
WD
1054 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1055 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1056 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD
1057 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1058 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1059 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
6686b93a
WD
1060#ifdef HAVE_SETVBUF
1061 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1062#endif
7a2eca41 1063 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD
1064 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1065 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 1066 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD
1067 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1068 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD
1069 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1070 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 1071 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 1072 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 1073 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD
1074 {0,0,0,0, 0, 0, 0}
1075};
1076
1077static void daemon_usage(enum logcode F)
1078{
1079 print_rsync_version(F);
1080
b64ee91a
WD
1081 rprintf(F,"\n");
1082 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1083 rprintf(F," --address=ADDRESS bind to the specified address\n");
ce795fcd 1084 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
3ac7f5d4 1085 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
2206abf8 1086 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
3ac7f5d4 1087 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1088 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1089 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1090 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1091 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1092 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD
1093 rprintf(F," -4, --ipv4 prefer IPv4\n");
1094 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1095 rprintf(F," --help show this help screen\n");
3ac7f5d4 1096
b64ee91a
WD
1097 rprintf(F,"\n");
1098 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD
1099 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1100}
1101
1102static struct poptOption long_daemon_options[] = {
1103 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1104 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1105 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD
1106 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1107 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 1108 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD
1109 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1110 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1111 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1112 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1113 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1114 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1115 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1116 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD
1117 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1118 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1119 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1120 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD
1121 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1122 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1123 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1124 {0,0,0,0, 0, 0, 0}
2855f61f 1125};
7a6421fa 1126
06963d0f 1127
e51094b7 1128static char err_buf[200];
cd8185f2 1129
2855f61f 1130
dafe63ca
MP
1131/**
1132 * Store the option error message, if any, so that we can log the
1133 * connection attempt (which requires parsing the options), and then
1134 * show the error later on.
1135 **/
cd8185f2
AT
1136void option_error(void)
1137{
e51094b7 1138 if (!err_buf[0]) {
c9bce0b8
WD
1139 strlcpy(err_buf, "Error parsing options: option may "
1140 "be supported on client but not on server?\n",
1141 sizeof err_buf);
cd8185f2 1142 }
e51094b7 1143
e51094b7 1144 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
e448d31d 1145 io_flush(FULL_FLUSH);
8f1dc165 1146 msleep(20);
cd8185f2
AT
1147}
1148
dafe63ca 1149
3b36bde9 1150static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
b3a1a0ca
WD
1151{
1152 struct poptOption *op;
1153 char shortName[2];
1154 int is_wild = strpbrk(ref, "*?[") != NULL;
1155 int found_match = 0;
1156
1157 shortName[1] = '\0';
1158
1159 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
1160 ref = "[ardlptgoD]";
1161 is_wild = 1;
1162 }
1163
1164 for (op = long_options; op != list_end; op++) {
1165 *shortName = op->shortName;
1166 if ((op->longName && wildmatch(ref, op->longName))
1167 || (*shortName && wildmatch(ref, shortName))) {
be7af36c
WD
1168 if (op->descrip[1] == '*')
1169 op->descrip = negated ? "a*" : "r*";
b3a1a0ca 1170 else if (!is_wild)
be7af36c 1171 op->descrip = negated ? "a=" : "r=";
b3a1a0ca
WD
1172 found_match = 1;
1173 if (!is_wild)
1174 break;
1175 }
1176 }
1177
1178 if (!found_match)
1179 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
1180}
1181
1182
dafe63ca 1183/**
27ed20f7
WD
1184 * Tweak the option table to disable all options that the rsyncd.conf
1185 * file has told us to refuse.
dafe63ca 1186 **/
b3a1a0ca 1187static void set_refuse_options(void)
cd8185f2 1188{
b3a1a0ca
WD
1189 struct poptOption *op, *list_end = NULL;
1190 char *cp, *ref = lp_refuse_options(module_id);
1191 int negated;
093e816c 1192
b3a1a0ca
WD
1193 if (!ref)
1194 ref = "";
27ed20f7 1195
b3a1a0ca
WD
1196 if (!*ref && !am_daemon) /* A simple optimization */
1197 return;
1198
1199 /* We abuse the descrip field in poptOption to make it easy to flag which options
1200 * are refused (since we don't use it otherwise). Start by marking all options
be7af36c 1201 * as "a"ccepted with a few options also marked as non-wild. */
b3a1a0ca
WD
1202 for (op = long_options; ; op++) {
1203 const char *longName = op->longName ? op->longName : "";
1204 if (!op->longName && !op->shortName) {
1205 list_end = op;
06a50542 1206 break;
d73e7f6e 1207 }
be7af36c 1208 if (op->shortName == 'e' /* Required for compatibility flags */
b3a1a0ca
WD
1209 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
1210 || op->shortName == 's' /* --protect-args is always OK */
1211 || op->shortName == 'n' /* --dry-run is always OK */
b3a1a0ca
WD
1212 || strcmp("iconv", longName) == 0
1213 || strcmp("no-iconv", longName) == 0
1214 || strcmp("checksum-seed", longName) == 0
1215 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
be7af36c
WD
1216 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
1217 || strcmp("sender", longName) == 0
1218 || strcmp("server", longName) == 0)
1219 op->descrip = "a="; /* exact-match only */
b3a1a0ca 1220 else
be7af36c 1221 op->descrip = "a*"; /* wild-card-able */
b3a1a0ca
WD
1222 }
1223 assert(list_end != NULL);
1224
1225 if (am_daemon) /* Refused by default, but can be accepted via "!write-devices" */
3b36bde9 1226 parse_one_refuse_match(0, "write-devices", list_end);
b3a1a0ca
WD
1227
1228 while (1) {
1229 while (*ref == ' ') ref++;
1230 if (!*ref)
1231 break;
1232 if ((cp = strchr(ref, ' ')) != NULL)
1233 *cp = '\0';
1234 negated = *ref == '!';
1235 if (negated && ref[1])
1236 ref++;
3b36bde9 1237 parse_one_refuse_match(negated, ref, list_end);
27ed20f7
WD
1238 if (!cp)
1239 break;
1240 *cp = ' ';
b3a1a0ca
WD
1241 ref = cp + 1;
1242 }
1243
1244 if (am_daemon) {
1245#ifdef ICONV_OPTION
1246 if (!*lp_charset(module_id))
3b36bde9 1247 parse_one_refuse_match(0, "iconv", list_end);
b3a1a0ca 1248#endif
3b36bde9 1249 parse_one_refuse_match(0, "log-file*", list_end);
b3a1a0ca
WD
1250 }
1251
1252 /* Now we use the descrip values to actually mark the options for refusal. */
1253 for (op = long_options; op != list_end; op++) {
be7af36c 1254 int refused = op->descrip[0] == 'r';
b3a1a0ca
WD
1255 op->descrip = NULL;
1256 if (!refused)
1257 continue;
1258 if (op->argInfo == POPT_ARG_VAL)
1259 op->argInfo = POPT_ARG_NONE;
1260 op->val = (op - long_options) + OPT_REFUSED_BASE;
1261 /* The following flags are set to let us easily check an implied option later in the code. */
1262 switch (op->shortName) {
1263 case 'r': case 'd': case 'l': case 'p':
1264 case 't': case 'g': case 'o': case 'D':
1265 refused_archive_part = op->val;
1266 break;
1267 case 'z':
1268 refused_compress = op->val;
1269 break;
1270 case '\0':
1271 if (strcmp("delete", op->longName) == 0)
1272 refused_delete = op->val;
1273 else if (strcmp("delete-before", op->longName) == 0)
1274 refused_delete_before = op->val;
1275 else if (strcmp("delete-during", op->longName) == 0)
1276 refused_delete_during = op->val;
1277 else if (strcmp("partial", op->longName) == 0)
1278 refused_partial = op->val;
1279 else if (strcmp("progress", op->longName) == 0)
1280 refused_progress = op->val;
1281 else if (strcmp("inplace", op->longName) == 0)
1282 refused_inplace = op->val;
1283 else if (strcmp("no-iconv", op->longName) == 0)
1284 refused_no_iconv = op->val;
1285 break;
1286 }
cd8185f2 1287 }
cd8185f2
AT
1288}
1289
1290
8db7cc2c 1291static int count_args(const char **argv)
2855f61f 1292{
dfa32483 1293 int i = 0;
2855f61f 1294
8db7cc2c
WD
1295 if (argv) {
1296 while (argv[i] != NULL)
1297 i++;
1298 }
dfa32483
WD
1299
1300 return i;
2855f61f
MP
1301}
1302
1303
837d01dd 1304static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1305{
3c19f72c
WD
1306 int reps, mult, make_compatible = 0;
1307 const char *arg;
1308 OFF_T size = 1;
95e107db 1309
2dc7b8bd 1310 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1311 if (*arg == '.')
2dc7b8bd 1312 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1313 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1314 case 'b': case 'B':
3c19f72c 1315 reps = 0;
837d01dd 1316 break;
95e107db 1317 case 'k': case 'K':
3c19f72c 1318 reps = 1;
95e107db
WD
1319 break;
1320 case 'm': case 'M':
3c19f72c 1321 reps = 2;
95e107db
WD
1322 break;
1323 case 'g': case 'G':
3c19f72c 1324 reps = 3;
95e107db
WD
1325 break;
1326 default:
3c19f72c 1327 return -1;
95e107db 1328 }
3c19f72c
WD
1329 if (*arg == 'b' || *arg == 'B')
1330 mult = 1000, make_compatible = 1, arg++;
1331 else if (!*arg || *arg == '+' || *arg == '-')
1332 mult = 1024;
1333 else if (strncasecmp(arg, "ib", 2) == 0)
1334 mult = 1024, arg += 2;
1335 else
1336 return -1;
1337 while (reps--)
1338 size *= mult;
1339 size *= atof(*size_arg);
1340 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1341 size += atoi(arg), make_compatible = 1, arg += 2;
1342 if (*arg)
1343 return -1;
ce795fcd 1344 if (size > 0 && make_compatible && def_suf == 'b') {
74de13d1
WD
1345 /* We convert this manually because we may need %lld precision,
1346 * and that's not a portable sprintf() escape. */
8f14cc49 1347 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1348 OFF_T num = size;
8f14cc49 1349 *s = '\0';
aeb213ea 1350 while (num) {
26404276 1351 *--s = (char)(num % 10) + '0';
aeb213ea
WD
1352 num /= 10;
1353 }
1354 if (!(*size_arg = strdup(s)))
1355 out_of_memory("parse_size_arg");
1356 }
95e107db
WD
1357 return size;
1358}
1359
1360
3671987f
WD
1361static void create_refuse_error(int which)
1362{
1363 /* The "which" value is the index + OPT_REFUSED_BASE. */
1364 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1365 int n = snprintf(err_buf, sizeof err_buf,
1366 "The server is configured to refuse --%s\n",
1367 op->longName) - 1;
1368 if (op->shortName) {
1369 snprintf(err_buf + n, sizeof err_buf - n,
1370 " (-%c)\n", op->shortName);
1371 }
1372}
1373
9e7b8ab7
WD
1374/* This is used to make sure that --daemon & --server cannot be aliased to
1375 * something else. These options have always disabled popt aliases for the
1376 * parsing of a daemon or server command-line, but we have to make sure that
1377 * these options cannot vanish so that the alias disabling can take effect. */
1378static void popt_unalias(poptContext con, const char *opt)
1379{
1380 struct poptAlias unalias;
1381
1382 unalias.longName = opt + 2; /* point past the leading "--" */
1383 unalias.shortName = '\0';
1384 unalias.argc = 1;
1385 unalias.argv = new_array(const char*, 1);
1386 unalias.argv[0] = strdup(opt);
1387
1388 poptAddAlias(con, unalias, 0);
1389}
3671987f 1390
dafe63ca
MP
1391/**
1392 * Process command line arguments. Called on both local and remote.
1393 *
1394 * @retval 1 if all options are OK; with globals set to appropriate
1395 * values
1396 *
1397 * @retval 0 on error, with err_buf containing an explanation
1398 **/
53936ef9 1399int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1400{
7a4addaa 1401 static poptContext pc;
ffbffc64
WD
1402 const char *arg, **argv = *argv_p;
1403 int argc = *argc_p;
1404 int opt;
77063038 1405 int orig_protect_args = protect_args;
d853783f 1406
a3668685
WD
1407 if (argc == 0) {
1408 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1409 return 0;
1410 }
b3a1a0ca
WD
1411
1412 set_refuse_options();
27ed20f7 1413
332cf6df 1414#ifdef ICONV_OPTION
4c4a2962 1415 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD
1416 iconv_opt = strdup(arg);
1417#endif
1418
dfa32483 1419 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1420
dfa32483
WD
1421 /* The context leaks in case of an error, but if there's a
1422 * problem we always exit anyhow. */
7a4addaa
WD
1423 if (pc)
1424 poptFreeContext(pc);
1425 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
9e7b8ab7 1426 if (!am_server) {
7a4addaa 1427 poptReadDefaultConfig(pc, 0);
9e7b8ab7
WD
1428 popt_unalias(pc, "--daemon");
1429 popt_unalias(pc, "--server");
1430 }
2855f61f
MP
1431
1432 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD
1433 /* most options are handled automatically by popt;
1434 * only special cases are returned and listed here. */
2855f61f 1435
d853783f
AT
1436 switch (opt) {
1437 case OPT_VERSION:
dfa32483 1438 print_rsync_version(FINFO);
d853783f 1439 exit_cleanup(0);
dfa32483 1440
0ccffd7c
WD
1441 case OPT_SERVER:
1442 if (!am_server) {
1443 /* Disable popt aliases on the server side and
1444 * then start parsing the options again. */
1445 poptFreeContext(pc);
ffbffc64 1446 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD
1447 long_options, 0);
1448 am_server = 1;
1449 }
332cf6df
WD
1450#ifdef ICONV_OPTION
1451 iconv_opt = NULL;
1452#endif
0ccffd7c
WD
1453 break;
1454
1455 case OPT_SENDER:
1456 if (!am_server) {
1457 usage(FERROR);
1458 exit_cleanup(RERR_SYNTAX);
1459 }
1460 am_sender = 1;
1461 break;
1462
3ac7f5d4
WD
1463 case OPT_DAEMON:
1464 if (am_daemon) {
c9bce0b8
WD
1465 strlcpy(err_buf,
1466 "Attempt to hack rsync thwarted!\n",
1467 sizeof err_buf);
3ac7f5d4
WD
1468 return 0;
1469 }
332cf6df
WD
1470#ifdef ICONV_OPTION
1471 iconv_opt = NULL;
1472#endif
4c4a2962 1473 protect_args = 0;
3ac7f5d4 1474 poptFreeContext(pc);
ffbffc64 1475 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD
1476 long_daemon_options, 0);
1477 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1478 char **cpp;
3ac7f5d4
WD
1479 switch (opt) {
1480 case 'h':
1481 daemon_usage(FINFO);
1482 exit_cleanup(0);
1483
2206abf8
WD
1484 case 'M':
1485 arg = poptGetOptArg(pc);
1486 if (!strchr(arg, '=')) {
1487 rprintf(FERROR,
1488 "--dparam value is missing an '=': %s\n",
1489 arg);
1490 goto daemon_error;
1491 }
1492 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1493 *cpp = strdup(arg);
1494 break;
1495
1bd9db74
WD
1496 case 'v':
1497 verbose++;
1498 break;
1499
3ac7f5d4
WD
1500 default:
1501 rprintf(FERROR,
1502 "rsync: %s: %s (in daemon mode)\n",
1503 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1504 poptStrerror(opt));
1505 goto daemon_error;
1506 }
1507 }
b6e22a47 1508
2206abf8
WD
1509 if (dparam_list.count && !set_dparams(1))
1510 exit_cleanup(RERR_SYNTAX);
1511
b6e22a47
WD
1512 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1513 snprintf(err_buf, sizeof err_buf,
1514 "the --temp-dir path is WAY too long.\n");
1515 return 0;
1516 }
1517
3ac7f5d4
WD
1518 if (!daemon_opt) {
1519 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1520 daemon_error:
1521 rprintf(FERROR,
1522 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1523 exit_cleanup(RERR_SYNTAX);
1524 }
b6e22a47 1525
ffbffc64
WD
1526 *argv_p = argv = poptGetArgs(pc);
1527 *argc_p = argc = count_args(argv);
7f2a1f65 1528 am_starting_up = 0;
3ac7f5d4
WD
1529 daemon_opt = 0;
1530 am_daemon = 1;
1531 return 1;
1532
5b56cc19 1533 case OPT_MODIFY_WINDOW:
dfa32483
WD
1534 /* The value has already been set by popt, but
1535 * we need to remember that we're using a
1536 * non-default setting. */
5b56cc19
AT
1537 modify_window_set = 1;
1538 break;
1de50993 1539
aa4d3b4c 1540 case OPT_FILTER:
c8fa85b2
MM
1541 parse_filter_str(&filter_list, poptGetOptArg(pc),
1542 rule_template(0), 0);
d853783f
AT
1543 break;
1544
aa4d3b4c 1545 case OPT_EXCLUDE:
c8fa85b2
MM
1546 parse_filter_str(&filter_list, poptGetOptArg(pc),
1547 rule_template(0), XFLG_OLD_PREFIXES);
aa4d3b4c
WD
1548 break;
1549
d853783f 1550 case OPT_INCLUDE:
c8fa85b2
MM
1551 parse_filter_str(&filter_list, poptGetOptArg(pc),
1552 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
d853783f
AT
1553 break;
1554
1555 case OPT_EXCLUDE_FROM:
93695764 1556 case OPT_INCLUDE_FROM:
7be73df4 1557 arg = poptGetOptArg(pc);
1a7f3d99 1558 if (sanitize_paths)
d48810ba 1559 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1560 if (daemon_filter_list.head) {
200aec7d 1561 int rej;
2907af47 1562 char *cp = strdup(arg);
d3ef9859
WD
1563 if (!cp)
1564 out_of_memory("parse_arguments");
3671987f 1565 if (!*cp)
2907af47
WD
1566 rej = 1;
1567 else {
1568 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1569 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1570 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1571 }
d3ef9859 1572 free(cp);
200aec7d
WD
1573 if (rej)
1574 goto options_rejected;
ba3db479 1575 }
3a5e9224 1576 parse_filter_file(&filter_list, arg,
c8fa85b2 1577 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
3a5e9224 1578 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD
1579 break;
1580
b6164938
WD
1581 case 'a':
1582 if (refused_archive_part) {
1583 create_refuse_error(refused_archive_part);
1584 return 0;
1585 }
1586 if (!recurse) /* preserve recurse == 2 */
1587 recurse = 1;
1588#ifdef SUPPORT_LINKS
1589 preserve_links = 1;
1590#endif
1591 preserve_perms = 1;
2624e005 1592 preserve_times = 1;
b6164938
WD
1593 preserve_gid = 1;
1594 preserve_uid = 1;
1595 preserve_devices = 1;
b5c6a6ae
WD
1596 preserve_specials = 1;
1597 break;
1598
1599 case 'D':
1600 preserve_devices = preserve_specials = 1;
1601 break;
1602
1603 case OPT_NO_D:
1604 preserve_devices = preserve_specials = 0;
b6164938
WD
1605 break;
1606
3ca9e5d8
WD
1607 case 'h':
1608 human_readable++;
1609 break;
1610
e0e32031
WD
1611 case 'H':
1612 preserve_hard_links++;
1613 break;
1614
487094a0
WD
1615 case 'i':
1616 itemize_changes++;
1617 break;
1618
b9367410
WD
1619 case 'U':
1620 if (++preserve_atimes > 1)
b3a1a0ca 1621 open_noatime = 1;
b9367410
WD
1622 break;
1623
d853783f
AT
1624 case 'v':
1625 verbose++;
1626 break;
7a6421fa 1627
48b51d00
WD
1628 case 'y':
1629 fuzzy_basis++;
1630 break;
1631
b86f0cef 1632 case 'q':
53936ef9 1633 quiet++;
b86f0cef
DD
1634 break;
1635
243c995f
WD
1636 case 'x':
1637 one_file_system++;
1638 break;
1639
aa4d3b4c
WD
1640 case 'F':
1641 switch (++F_option_cnt) {
1642 case 1:
c8fa85b2 1643 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
aa4d3b4c
WD
1644 break;
1645 case 2:
c8fa85b2 1646 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
aa4d3b4c
WD
1647 break;
1648 }
1649 break;
1650
d9fcc198 1651 case 'P':
3671987f
WD
1652 if (refused_partial || refused_progress) {
1653 create_refuse_error(refused_partial
1654 ? refused_partial : refused_progress);
1655 return 0;
1656 }
d9fcc198
AT
1657 do_progress = 1;
1658 keep_partial = 1;
1659 break;
1660
854a1aad 1661 case 'z':
22a3ac0b 1662 do_compression++;
854a1aad
WD
1663 break;
1664
7a2eca41
WD
1665 case 'M':
1666 arg = poptGetOptArg(pc);
1667 if (*arg != '-') {
1668 snprintf(err_buf, sizeof err_buf,
1669 "Remote option must start with a dash: %s\n", arg);
1670 return 0;
1671 }
1672 if (remote_option_cnt+2 >= remote_option_alloc) {
1673 remote_option_alloc += 16;
1674 remote_options = realloc_array(remote_options,
1675 const char *, remote_option_alloc);
1676 if (!remote_options)
1677 out_of_memory("parse_arguments");
1678 if (!remote_option_cnt)
1679 remote_options[0] = "ARG0";
1680 }
1681 remote_options[++remote_option_cnt] = arg;
1682 remote_options[remote_option_cnt+1] = NULL;
1683 break;
1684
088aac85 1685 case OPT_WRITE_BATCH:
9b3318b0 1686 /* batch_name is already set */
088aac85
DD
1687 write_batch = 1;
1688 break;
1689
11e758a4
WD
1690 case OPT_ONLY_WRITE_BATCH:
1691 /* batch_name is already set */
1692 write_batch = -1;
1693 break;
1694
76f79ba7 1695 case OPT_READ_BATCH:
9b3318b0 1696 /* batch_name is already set */
6902ed17
MP
1697 read_batch = 1;
1698 break;
ea5164d1 1699
0b52f94d 1700 case OPT_NO_ICONV:
15dbffc2 1701#ifdef ICONV_OPTION
0b52f94d 1702 iconv_opt = NULL;
15dbffc2 1703#endif
0b52f94d
WD
1704 break;
1705
7d5acf1d 1706 case OPT_MAX_SIZE:
9510fa9a 1707 if ((max_size = parse_size_arg(&max_size_arg, 'b')) < 0) {
e012f858 1708 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD
1709 "--max-size value is invalid: %s\n",
1710 max_size_arg);
e012f858 1711 return 0;
7d5acf1d
WD
1712 }
1713 break;
1714
74de13d1 1715 case OPT_MIN_SIZE:
9510fa9a 1716 if ((min_size = parse_size_arg(&min_size_arg, 'b')) < 0) {
74de13d1
WD
1717 snprintf(err_buf, sizeof err_buf,
1718 "--min-size value is invalid: %s\n",
1719 min_size_arg);
1720 return 0;
1721 }
1722 break;
1723
ce795fcd
WD
1724 case OPT_BWLIMIT:
1725 {
1726 OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1727 if (limit < 0) {
1728 snprintf(err_buf, sizeof err_buf,
1729 "--bwlimit value is invalid: %s\n", bwlimit_arg);
1730 return 0;
1731 }
1732 bwlimit = (limit + 512) / 1024;
1733 if (limit && !bwlimit) {
1734 snprintf(err_buf, sizeof err_buf,
1735 "--bwlimit value is too small: %s\n", bwlimit_arg);
1736 return 0;
1737 }
1738 }
1739 break;
1740
936fa865
WD
1741 case OPT_APPEND:
1742 if (am_server)
1743 append_mode++;
1744 else
1745 append_mode = 1;
1746 break;
1747
59c95e42 1748 case OPT_LINK_DEST:
fcecb70b 1749#ifdef SUPPORT_HARD_LINKS
59c95e42 1750 link_dest = 1;
e012f858
WD
1751 dest_option = "--link-dest";
1752 goto set_dest_dir;
59c95e42 1753#else
d175d7e1 1754 snprintf(err_buf, sizeof err_buf,
dfa32483 1755 "hard links are not supported on this %s\n",
59c95e42 1756 am_server ? "server" : "client");
59c95e42
DD
1757 return 0;
1758#endif
1759
1de3e99b
WD
1760 case OPT_COPY_DEST:
1761 copy_dest = 1;
1762 dest_option = "--copy-dest";
1763 goto set_dest_dir;
1764
e012f858
WD
1765 case OPT_COMPARE_DEST:
1766 compare_dest = 1;
1767 dest_option = "--compare-dest";
1768 set_dest_dir:
3b26bba0 1769 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD
1770 snprintf(err_buf, sizeof err_buf,
1771 "ERROR: at most %d %s args may be specified\n",
1772 MAX_BASIS_DIRS, dest_option);
1773 return 0;
1774 }
ad77db8b
WD
1775 /* We defer sanitizing this arg until we know what
1776 * our destination directory is going to be. */
1777 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD
1778 break;
1779
e16adcdf
WD
1780 case OPT_CHMOD:
1781 arg = poptGetOptArg(pc);
bbe42182 1782 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD
1783 snprintf(err_buf, sizeof err_buf,
1784 "Invalid argument passed to --chmod (%s)\n",
1785 arg);
1786 return 0;
1787 }
1788 break;
1789
951e826b
WD
1790 case OPT_INFO:
1791 arg = poptGetOptArg(pc);
1792 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1793 break;
1794
1795 case OPT_DEBUG:
1796 arg = poptGetOptArg(pc);
1797 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1798 break;
1799
2df20057
WD
1800 case OPT_USERMAP:
1801 if (usermap) {
1802 if (usermap_via_chown) {
1803 snprintf(err_buf, sizeof err_buf,
1804 "--usermap conflicts with prior --chown.\n");
1805 return 0;
1806 }
1807 snprintf(err_buf, sizeof err_buf,
1808 "You can only specify --usermap once.\n");
1809 return 0;
1810 }
1811 usermap = (char *)poptGetOptArg(pc);
1812 usermap_via_chown = False;
1813 break;
1814
1815 case OPT_GROUPMAP:
1816 if (groupmap) {
1817 if (groupmap_via_chown) {
1818 snprintf(err_buf, sizeof err_buf,
1819 "--groupmap conflicts with prior --chown.\n");
1820 return 0;
1821 }
1822 snprintf(err_buf, sizeof err_buf,
1823 "You can only specify --groupmap once.\n");
1824 return 0;
1825 }
1826 groupmap = (char *)poptGetOptArg(pc);
1827 groupmap_via_chown = False;
1828 break;
1829
1830 case OPT_CHOWN: {
1831 const char *chown = poptGetOptArg(pc);
1832 int len;
1833 if ((arg = strchr(chown, ':')) != NULL)
1834 len = arg++ - chown;
1835 else
1836 len = strlen(chown);
1837 if (len) {
1838 if (usermap) {
1839 if (!usermap_via_chown) {
1840 snprintf(err_buf, sizeof err_buf,
1841 "--chown conflicts with prior --usermap.\n");
1842 return 0;
1843 }
1844 snprintf(err_buf, sizeof err_buf,
1845 "You can only specify a user-affecting --chown once.\n");
1846 return 0;
1847 }
1848 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1849 out_of_memory("parse_arguments");
1850 usermap_via_chown = True;
1851 }
1852 if (arg && *arg) {
1853 if (groupmap) {
1854 if (!groupmap_via_chown) {
1855 snprintf(err_buf, sizeof err_buf,
1856 "--chown conflicts with prior --groupmap.\n");
1857 return 0;
1858 }
1859 snprintf(err_buf, sizeof err_buf,
1860 "You can only specify a group-affecting --chown once.\n");
1861 return 0;
1862 }
1863 if (asprintf(&groupmap, "*:%s", arg) < 0)
1864 out_of_memory("parse_arguments");
1865 groupmap_via_chown = True;
1866 }
1867 break;
1868 }
1869
f5a910dd
WD
1870 case OPT_HELP:
1871 usage(FINFO);
1872 exit_cleanup(0);
1873
1c3344a1
WD
1874 case 'A':
1875#ifdef SUPPORT_ACLS
1876 preserve_acls = 1;
1877 preserve_perms = 1;
1878 break;
1879#else
1880 /* FIXME: this should probably be ignored with a
eb8f5c74
WD
1881 * warning and then countermeasures taken to
1882 * restrict group and other access in the presence
1883 * of any more restrictive ACLs, but this is safe
1c3344a1
WD
1884 * for now */
1885 snprintf(err_buf,sizeof(err_buf),
8475e0e4 1886 "ACLs are not supported on this %s\n",
1c3344a1
WD
1887 am_server ? "server" : "client");
1888 return 0;
1889#endif
1890
16edf865
WD
1891 case 'X':
1892#ifdef SUPPORT_XATTRS
524eaa82 1893 preserve_xattrs++;
16edf865
WD
1894 break;
1895#else
1896 snprintf(err_buf,sizeof(err_buf),
1897 "extended attributes are not supported on this %s\n",
1898 am_server ? "server" : "client");
1899 return 0;
1900#endif
1c3344a1 1901
d853783f 1902 default:
55afbb52 1903 /* A large opt value means that set_refuse_options()
3671987f 1904 * turned this option off. */
c67d1386 1905 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD
1906 create_refuse_error(opt);
1907 return 0;
27ed20f7 1908 }
3671987f
WD
1909 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1910 am_server ? "on remote machine: " : "",
1911 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1912 poptStrerror(opt));
dfa32483 1913 return 0;
d853783f 1914 }
7a6421fa 1915 }
2855f61f 1916
4c4a2962 1917 if (protect_args < 0) {
2b2a4738
WD
1918 if (am_server)
1919 protect_args = 0;
1920 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1921 protect_args = atoi(arg) ? 1 : 0;
1922 else {
4c4a2962 1923#ifdef RSYNC_USE_PROTECTED_ARGS
4c4a2962 1924 protect_args = 1;
2b2a4738 1925#else
4c4a2962 1926 protect_args = 0;
2b2a4738
WD
1927#endif
1928 }
4c4a2962
WD
1929 }
1930
4f6c8c66 1931 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
a5a7d3a2
WD
1932 /* Call this early to verify the args and figure out if we need to force
1933 * --whole-file. Note that the parse function will get called again later,
1934 * just in case an "auto" choice needs to know the protocol_version. */
4f6c8c66 1935 parse_checksum_choice();
a5a7d3a2
WD
1936 } else
1937 checksum_choice = NULL;
1938
adc2476f 1939 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1940 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD
1941 usage(FINFO);
1942 exit_cleanup(0);
1943 }
1944
22a3ac0b
WD
1945 if (do_compression || def_compress_level != NOT_SPECIFIED) {
1946 if (def_compress_level == NOT_SPECIFIED)
1947 def_compress_level = Z_DEFAULT_COMPRESSION;
1948 else if (def_compress_level < Z_DEFAULT_COMPRESSION || def_compress_level > Z_BEST_COMPRESSION) {
1949 snprintf(err_buf, sizeof err_buf, "--compress-level value is invalid: %d\n",
1950 def_compress_level);
1951 return 0;
1952 } else if (def_compress_level == Z_NO_COMPRESSION)
1953 do_compression = 0;
1954 else if (!do_compression)
1955 do_compression = 1;
1956 if (do_compression && refused_compress) {
1957 create_refuse_error(refused_compress);
1958 return 0;
1959 }
1960#ifdef EXTERNAL_ZLIB
1961 if (do_compression == 1) {
1962 snprintf(err_buf, sizeof err_buf,
1963 "This rsync lacks old-style --compress due to its external zlib. Try -zz.\n");
1964 if (am_server)
1965 return 0;
1966 fprintf(stderr, "%s" "Continuing without compression.\n\n", err_buf);
1967 do_compression = 0;
1968 }
1969#endif
1970 }
1971
6686b93a
WD
1972#ifdef HAVE_SETVBUF
1973 if (outbuf_mode && !am_server) {
1974 int mode = *(uchar *)outbuf_mode;
1975 if (islower(mode))
1976 mode = toupper(mode);
1977 fflush(stdout); /* Just in case... */
1978 switch (mode) {
1979 case 'N': /* None */
1980 case 'U': /* Unbuffered */
1981 mode = _IONBF;
1982 break;
1983 case 'L': /* Line */
1984 mode = _IOLBF;
1985 break;
1986 case 'B': /* Block */
1987 case 'F': /* Full */
1988 mode = _IOFBF;
1989 break;
1990 default:
1991 snprintf(err_buf, sizeof err_buf,
1992 "Invalid --outbuf setting -- specify N, L, or B.\n");
1993 return 0;
1994 }
1995 setvbuf(stdout, (char *)NULL, mode, 0);
1996 }
0dfd2a64
WD
1997
1998 if (msgs2stderr) {
1999 /* Make stderr line buffered for better sharing of the stream. */
2000 fflush(stderr); /* Just in case... */
2001 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2002 }
6686b93a
WD
2003#endif
2004
951e826b
WD
2005 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2006
abd32c95 2007 if (do_stats) {
951e826b
WD
2008 parse_output_words(info_words, info_levels,
2009 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2010 }
2011
332cf6df 2012#ifdef ICONV_OPTION
a4453606 2013 if (iconv_opt && protect_args != 2) {
332cf6df
WD
2014 if (!am_server && strcmp(iconv_opt, "-") == 0)
2015 iconv_opt = NULL;
2016 else
2017 need_unsorted_flist = 1;
2018 }
0b52f94d
WD
2019 if (refused_no_iconv && !iconv_opt) {
2020 create_refuse_error(refused_no_iconv);
2021 return 0;
2022 }
332cf6df
WD
2023#endif
2024
48b51d00
WD
2025 if (fuzzy_basis > 1)
2026 fuzzy_basis = basis_dir_cnt + 1;
2027
77063038
JO
2028 /* Don't let the client reset protect_args if it was already processed */
2029 if (orig_protect_args == 2 && am_server)
2030 protect_args = orig_protect_args;
2031
53936ef9
WD
2032 if (protect_args == 1 && am_server)
2033 return 1;
a4453606 2034
73cb6738
WD
2035 *argv_p = argv = poptGetArgs(pc);
2036 *argc_p = argc = count_args(argv);
2037
4f5b0756 2038#ifndef SUPPORT_LINKS
54e87b4b 2039 if (preserve_links && !am_sender) {
e1add893
WD
2040 snprintf(err_buf, sizeof err_buf,
2041 "symlinks are not supported on this %s\n",
2042 am_server ? "server" : "client");
e1add893
WD
2043 return 0;
2044 }
2045#endif
2046
4f5b0756 2047#ifndef SUPPORT_HARD_LINKS
e1add893
WD
2048 if (preserve_hard_links) {
2049 snprintf(err_buf, sizeof err_buf,
2050 "hard links are not supported on this %s\n",
2051 am_server ? "server" : "client");
e1add893
WD
2052 return 0;
2053 }
2054#endif
2055
cbbd8e2e
WD
2056#ifdef SUPPORT_XATTRS
2057 if (am_root < 0 && preserve_xattrs > 1) {
2058 snprintf(err_buf, sizeof err_buf,
2059 "--fake-super conflicts with -XX\n");
2060 return 0;
2061 }
2062#else
9439c0cb
WD
2063 if (am_root < 0) {
2064 snprintf(err_buf, sizeof err_buf,
2065 "--fake-super requires an rsync with extended attributes enabled\n");
2066 return 0;
2067 }
2068#endif
2069
826ddc54
WD
2070 if (block_size) {
2071 /* We may not know the real protocol_version at this point if this is the client
2072 * option parsing, but we still want to check it so that the client can specify
2073 * a --protocol=29 option with a larger block size. */
2074 int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
2075
2076 if (block_size > max_blength) {
2077 snprintf(err_buf, sizeof err_buf,
2078 "--block-size=%lu is too large (max: %u)\n", block_size, max_blength);
2079 return 0;
2080 }
d74512eb
WD
2081 }
2082
088aac85 2083 if (write_batch && read_batch) {
c3ea0990 2084 snprintf(err_buf, sizeof err_buf,
36119893 2085 "--write-batch and --read-batch can not be used together\n");
c3ea0990 2086 return 0;
088aac85 2087 }
11e758a4 2088 if (write_batch > 0 || read_batch) {
94327ff0
WD
2089 if (am_server) {
2090 rprintf(FINFO,
2091 "ignoring --%s-batch option sent to server\n",
2092 write_batch ? "write" : "read");
2093 /* We don't actually exit_cleanup(), so that we can
2094 * still service older version clients that still send
2095 * batch args to server. */
2096 read_batch = write_batch = 0;
2097 batch_name = NULL;
254ee3ba
WD
2098 } else if (dry_run)
2099 write_batch = 0;
69e2b4ee
WD
2100 } else if (write_batch < 0 && dry_run)
2101 write_batch = 0;
36119893 2102 if (read_batch && files_from) {
c3ea0990 2103 snprintf(err_buf, sizeof err_buf,
36119893 2104 "--read-batch cannot be used with --files-from\n");
c3ea0990 2105 return 0;
36119893 2106 }
9eaba726
WD
2107 if (read_batch && remove_source_files) {
2108 snprintf(err_buf, sizeof err_buf,
2109 "--read-batch cannot be used with --remove-%s-files\n",
2110 remove_source_files == 1 ? "source" : "sent");
2111 return 0;
2112 }
9b3318b0 2113 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 2114 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD
2115 "the batch-file name must be %d characters or less.\n",
2116 MAX_BATCH_NAME_LEN);
c3ea0990 2117 return 0;
beb93684 2118 }
088aac85 2119
ce58b1b4 2120 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD
2121 snprintf(err_buf, sizeof err_buf,
2122 "the --temp-dir path is WAY too long.\n");
2123 return 0;
ce58b1b4
WD
2124 }
2125
7b9598b2
WD
2126 if (max_delete < 0 && max_delete != INT_MIN) {
2127 /* Negative numbers are treated as "no deletions". */
2128 max_delete = 0;
2129 }
2130
1de3e99b 2131 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 2132 snprintf(err_buf, sizeof err_buf,
1de3e99b 2133 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD
2134 return 0;
2135 }
2136
b6164938
WD
2137 if (files_from) {
2138 if (recurse == 1) /* preserve recurse == 2 */
2139 recurse = 0;
550d4e23 2140 if (xfer_dirs < 0)
b6164938 2141 xfer_dirs = 1;
dfa32483 2142 }
51d48398 2143
20893751 2144 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD
2145 list_only |= 1;
2146
2147 if (xfer_dirs >= 4) {
c8fa85b2 2148 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
73cb6738
WD
2149 recurse = xfer_dirs = 1;
2150 } else if (recurse)
2151 xfer_dirs = 1;
2152 else if (xfer_dirs < 0)
2153 xfer_dirs = list_only ? 1 : 0;
dfa32483 2154
ea5164d1
WD
2155 if (relative_paths < 0)
2156 relative_paths = files_from? 1 : 0;
89f2a4c2
WD
2157 if (!relative_paths)
2158 implied_dirs = 0;
ea5164d1 2159
e0e32031 2160 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 2161 snprintf(err_buf, sizeof err_buf,
c6eb7fad 2162 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD
2163 return 0;
2164 }
f5a910dd 2165 if (delete_before || delete_during || delete_after)
51d48398 2166 delete_mode = 1;
3296f91b 2167 else if (delete_mode || delete_excluded) {
e0e32031 2168 /* Only choose now between before & during if one is refused. */
3296f91b 2169 if (refused_delete_before) {
e0e32031
WD
2170 if (!refused_delete_during)
2171 delete_during = 1;
2172 else {
2173 create_refuse_error(refused_delete_before);
2174 return 0;
2175 }
2176 } else if (refused_delete_during)
2177 delete_before = 1;
2178 delete_mode = 1;
3296f91b 2179 }
89fb5026
WD
2180 if (!xfer_dirs && delete_mode) {
2181 snprintf(err_buf, sizeof err_buf,
44d7d045 2182 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
89fb5026 2183 return 0;
f5a910dd 2184 }
51d48398 2185
42d8ec61
WD
2186 if (missing_args == 3) /* simplify if both options were specified */
2187 missing_args = 2;
2188 if (refused_delete && (delete_mode || missing_args == 2)) {
3671987f
WD
2189 create_refuse_error(refused_delete);
2190 return 0;
2191 }
2192
47c11975
WD
2193 if (remove_source_files) {
2194 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD
2195 * via the refusal of "delete", not any of the "delete-FOO"
2196 * options. */
2197 if (refused_delete && am_sender) {
2198 create_refuse_error(refused_delete);
2199 return 0;
2200 }
2201 need_messages_from_generator = 1;
2202 }
2203
41adbcec
WD
2204 if (munge_symlinks && !am_daemon) {
2205 STRUCT_STAT st;
2206 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2207 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2208 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2209 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2210 prefix);
2211 exit_cleanup(RERR_UNSUPPORTED);
2212 }
2213 }
2214
7be73df4
WD
2215 if (sanitize_paths) {
2216 int i;
ffbffc64 2217 for (i = argc; i-- > 0; )
d48810ba 2218 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 2219 if (tmpdir)
d48810ba 2220 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 2221 if (backup_dir)
d48810ba 2222 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 2223 }
819bfe45 2224 if (daemon_filter_list.head && !am_sender) {
7b6c5c77 2225 filter_rule_list *elp = &daemon_filter_list;
c3ea0990 2226 if (tmpdir) {
a1018691 2227 char *dir;
3671987f
WD
2228 if (!*tmpdir)
2229 goto options_rejected;
a1018691
WD
2230 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2231 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2232 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD
2233 goto options_rejected;
2234 }
c3ea0990 2235 if (backup_dir) {
a1018691 2236 char *dir;
3671987f
WD
2237 if (!*backup_dir)
2238 goto options_rejected;
a1018691
WD
2239 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2240 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2241 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 2242 goto options_rejected;
c3ea0990
WD
2243 }
2244 }
7be73df4 2245
d175d7e1 2246 if (!backup_suffix)
e0391f81 2247 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 2248 backup_suffix_len = strlen(backup_suffix);
80ddadb7 2249 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD
2250 snprintf(err_buf, sizeof err_buf,
2251 "--suffix cannot contain slashes: %s\n",
80ddadb7 2252 backup_suffix);
c3ea0990 2253 return 0;
80ddadb7 2254 }
e0391f81 2255 if (backup_dir) {
14ebc5b6 2256 size_t len;
3696674b
WD
2257 while (*backup_dir == '.' && backup_dir[1] == '/')
2258 backup_dir += 2;
2259 if (*backup_dir == '.' && backup_dir[1] == '\0')
2260 backup_dir++;
14ebc5b6
WD
2261 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2262 if (len > sizeof backup_dir_buf - 128) {
c3ea0990
WD
2263 snprintf(err_buf, sizeof err_buf,
2264 "the --backup-dir path is WAY too long.\n");
2265 return 0;
e0391f81 2266 }
14ebc5b6 2267 backup_dir_len = (int)len;
4e9c7fae
WD
2268 if (!backup_dir_len) {
2269 backup_dir_len = -1;
2270 backup_dir = NULL;
2271 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
e0391f81
WD
2272 backup_dir_buf[backup_dir_len++] = '/';
2273 backup_dir_buf[backup_dir_len] = '\0';
2274 }
14ebc5b6 2275 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
4e9c7fae
WD
2276 }
2277 if (backup_dir) {
2278 /* No need for a suffix or a protect rule. */
8dcf9335 2279 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2280 snprintf(err_buf, sizeof err_buf,
4e9c7fae
WD
2281 "--suffix cannot be empty %s\n", backup_dir_len < 0
2282 ? "when --backup-dir is the same as the dest dir"
2283 : "without a --backup-dir");
c3ea0990 2284 return 0;
eb8f5c74
WD
2285 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2286 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2287 "P *%s", backup_suffix);
c8fa85b2 2288 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
d175d7e1 2289 }
fbd91cae 2290
2624e005
WD
2291 if (preserve_times) {
2292 preserve_times = PRESERVE_FILE_TIMES;
2293 if (!omit_dir_times)
2294 preserve_times |= PRESERVE_DIR_TIMES;
2295#ifdef CAN_SET_SYMLINK_TIMES
2296 if (!omit_link_times)
2297 preserve_times |= PRESERVE_LINK_TIMES;
2298#endif
2299 }
2300
fbd91cae
WD
2301 if (make_backups && !backup_dir) {
2302 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2624e005 2303 preserve_times &= ~PRESERVE_DIR_TIMES;
fbd91cae 2304 }
d175d7e1 2305
b3e4e7ef
WD
2306 if (stdout_format) {
2307 if (am_server && log_format_has(stdout_format, 'I'))
2308 stdout_format_has_i = 2;
2309 else if (log_format_has(stdout_format, 'i'))
2310 stdout_format_has_i = itemize_changes | 1;
2311 if (!log_format_has(stdout_format, 'b')
886df221
WD
2312 && !log_format_has(stdout_format, 'c')
2313 && !log_format_has(stdout_format, 'C'))
e7651884
WD
2314 log_before_transfer = !am_server;
2315 } else if (itemize_changes) {
b3e4e7ef
WD
2316 stdout_format = "%i %n%L";
2317 stdout_format_has_i = itemize_changes;
e7651884
WD
2318 log_before_transfer = !am_server;
2319 }
87383697 2320
951e826b
WD
2321 if (do_progress && !am_server) {
2322 if (!log_before_transfer && INFO_EQ(NAME, 0))
2323 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2324 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 2325 }
87383697 2326
11e758a4
WD
2327 if (dry_run)
2328 do_xfers = 0;
2329
9ac756c6
WD
2330 set_io_timeout(io_timeout);
2331
951e826b 2332 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2333 stdout_format = "%n%L";
87383697 2334 log_before_transfer = !am_server;
3671987f 2335 }
b3e4e7ef
WD
2336 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2337 stdout_format_has_o_or_i = 1;
e2559dbe 2338
232658d9 2339 if (logfile_name && !am_daemon) {
b3e4e7ef 2340 if (!logfile_format) {
232658d9 2341 logfile_format = "%i %n%L";
87c0f9d6 2342 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD
2343 } else {
2344 if (log_format_has(logfile_format, 'i'))
19b85876 2345 logfile_format_has_i = 1;
b3e4e7ef
WD
2346 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2347 logfile_format_has_o_or_i = 1;
87c0f9d6 2348 }
6dc9b74b 2349 log_init(0);
2873603a
WD
2350 } else if (!am_daemon)
2351 logfile_format = NULL;
87c0f9d6 2352
9fb08441
WD
2353 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2354 bwlimit = daemon_bwlimit;
3c74c3a3
WD
2355 if (bwlimit) {
2356 bwlimit_writemax = (size_t)bwlimit * 128;
2357 if (bwlimit_writemax < 512)
2358 bwlimit_writemax = 512;
2359 }
2360
a015788d
WD
2361 if (append_mode) {
2362 if (whole_file > 0) {
2363 snprintf(err_buf, sizeof err_buf,
2364 "--append cannot be used with --whole-file\n");
2365 return 0;
2366 }
2367 if (refused_inplace) {
2368 create_refuse_error(refused_inplace);
2369 return 0;
2370 }
2371 inplace = 1;
2372 }
2373
9e9d33a2
WD
2374 if (write_devices) {
2375 if (refused_inplace) {
2376 create_refuse_error(refused_inplace);
2377 return 0;
2378 }
2379 inplace = 1;
2380 }
2381
f06e7082 2382 if (delay_updates && !partial_dir)
77860bac 2383 partial_dir = tmp_partialdir;
f06e7082 2384
a3221d2a 2385 if (inplace) {
4f5b0756 2386#ifdef HAVE_FTRUNCATE
a7260c40
WD
2387 if (partial_dir) {
2388 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2389 "--%s cannot be used with --%s\n",
2390 append_mode ? "append" : "inplace",
f06e7082 2391 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD
2392 return 0;
2393 }
3671987f
WD
2394 /* --inplace implies --partial for refusal purposes, but we
2395 * clear the keep_partial flag for internal logic purposes. */
2396 if (refused_partial) {
2397 create_refuse_error(refused_partial);
2398 return 0;
2399 }
a3221d2a 2400 keep_partial = 0;
ded4daf0
WD
2401#else
2402 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2403 "--%s is not supported on this %s\n",
2404 append_mode ? "append" : "inplace",
ded4daf0
WD
2405 am_server ? "server" : "client");
2406 return 0;
2407#endif
075aa18f 2408 } else {
bc880cb8 2409 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD
2410 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2411 partial_dir = strdup(arg);
2412 }
075aa18f 2413 if (partial_dir) {
3671987f 2414 if (*partial_dir)
b58bfb2f 2415 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD
2416 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2417 partial_dir = NULL;
3671987f
WD
2418 if (!partial_dir && refused_partial) {
2419 create_refuse_error(refused_partial);
2420 return 0;
2421 }
075aa18f
WD
2422 keep_partial = 1;
2423 }
a3221d2a
WD
2424 }
2425
ea5164d1 2426 if (files_from) {
305666bf
WD
2427 char *h, *p;
2428 int q;
da7acc5e 2429 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
ea5164d1
WD
2430 usage(FERROR);
2431 exit_cleanup(RERR_SYNTAX);
2432 }
63596e1c 2433 if (strcmp(files_from, "-") == 0) {
ea5164d1 2434 filesfrom_fd = 0;
63596e1c 2435 if (am_server)
305666bf
WD
2436 filesfrom_host = ""; /* reading from socket */
2437 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2438 if (am_server) {
305666bf
WD
2439 snprintf(err_buf, sizeof err_buf,
2440 "The --files-from sent to the server cannot specify a host.\n");
2441 return 0;
ea5164d1 2442 }
305666bf
WD
2443 files_from = p;
2444 filesfrom_host = h;
2445 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD
2446 snprintf(err_buf, sizeof err_buf,
2447 "Invalid --files-from remote filename\n");
2448 return 0;
ea5164d1
WD
2449 }
2450 } else {
305666bf 2451 if (sanitize_paths)
d48810ba 2452 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2453 if (daemon_filter_list.head) {
a1018691 2454 char *dir;
305666bf
WD
2455 if (!*files_from)
2456 goto options_rejected;
a1018691
WD
2457 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2458 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2459 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD
2460 goto options_rejected;
2461 }
ea5164d1
WD
2462 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2463 if (filesfrom_fd < 0) {
c3ea0990
WD
2464 snprintf(err_buf, sizeof err_buf,
2465 "failed to open files-from file %s: %s\n",
2466 files_from, strerror(errno));
2467 return 0;
ea5164d1
WD
2468 }
2469 }
2470 }
2471
7f2a1f65
WD
2472 am_starting_up = 0;
2473
b11ed3b1 2474 return 1;
f0fa8c6d
WD
2475
2476 options_rejected:
2477 snprintf(err_buf, sizeof err_buf,
2478 "Your options have been rejected by the server.\n");
2479 return 0;
7a6421fa
AT
2480}
2481
2482
dafe63ca
MP
2483/**
2484 * Construct a filtered list of options to pass through from the
2485 * client to the server.
2486 *
2487 * This involves setting options that will tell the server how to
2488 * behave, and also filtering out options that are processed only
2489 * locally.
2490 **/
ffbffc64 2491void server_options(char **args, int *argc_p)
7a6421fa 2492{
74ba98a5 2493 static char argstr[64];
ffbffc64 2494 int ac = *argc_p;
d239efa3 2495 uchar where;
f98c60bf 2496 char *arg;
d853783f
AT
2497 int i, x;
2498
def97ff9 2499 /* This should always remain first on the server's command-line. */
d853783f
AT
2500 args[ac++] = "--server";
2501
e208631a 2502 if (daemon_over_rsh > 0) {
1312d9fc 2503 args[ac++] = "--daemon";
ffbffc64 2504 *argc_p = ac;
1312d9fc
WD
2505 /* if we're passing --daemon, we're done */
2506 return;
2507 }
2508
d853783f
AT
2509 if (!am_sender)
2510 args[ac++] = "--sender";
2511
2512 x = 1;
2513 argstr[0] = '-';
a4453606
WD
2514
2515 if (protect_args)
2516 argstr[x++] = 's';
2517
f98c60bf 2518 for (i = 0; i < verbose; i++)
d853783f 2519 argstr[x++] = 'v';
f0b36a48 2520
b86f0cef 2521 /* the -q option is intentionally left out */
d853783f
AT
2522 if (make_backups)
2523 argstr[x++] = 'b';
2524 if (update_only)
2525 argstr[x++] = 'u';
2dbf36ef 2526 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT
2527 argstr[x++] = 'n';
2528 if (preserve_links)
2529 argstr[x++] = 'l';
73cb6738
WD
2530 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2531 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2532 argstr[x++] = 'd';
35bf8fa0
WD
2533 if (am_sender) {
2534 if (keep_dirlinks)
2535 argstr[x++] = 'K';
876c9936
WD
2536 if (prune_empty_dirs)
2537 argstr[x++] = 'm';
f9998046 2538 if (omit_dir_times)
35bf8fa0 2539 argstr[x++] = 'O';
2624e005
WD
2540 if (omit_link_times)
2541 argstr[x++] = 'J';
48b51d00
WD
2542 if (fuzzy_basis) {
2543 argstr[x++] = 'y';
2544 if (fuzzy_basis > 1)
2545 argstr[x++] = 'y';
2546 }
2dbf36ef
WD
2547 } else {
2548 if (copy_links)
2549 argstr[x++] = 'L';
2550 if (copy_dirlinks)
2551 argstr[x++] = 'k';
35bf8fa0 2552 }
1bfbf40b 2553
dfa32483 2554 if (whole_file > 0)
d853783f 2555 argstr[x++] = 'W';
bceec82f
MP
2556 /* We don't need to send --no-whole-file, because it's the
2557 * default for remote transfers, and in any case old versions
2558 * of rsync will not understand it. */
dfa32483 2559
e0e32031 2560 if (preserve_hard_links) {
d853783f 2561 argstr[x++] = 'H';
e0e32031
WD
2562 if (preserve_hard_links > 1)
2563 argstr[x++] = 'H';
2564 }
d853783f
AT
2565 if (preserve_uid)
2566 argstr[x++] = 'o';
2567 if (preserve_gid)
2568 argstr[x++] = 'g';
b5c6a6ae 2569 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT
2570 argstr[x++] = 'D';
2571 if (preserve_times)
2572 argstr[x++] = 't';
b9367410
WD
2573 if (preserve_atimes) {
2574 argstr[x++] = 'U';
2575 if (preserve_atimes > 1)
2576 argstr[x++] = 'U';
2577 }
d853783f
AT
2578 if (preserve_perms)
2579 argstr[x++] = 'p';
344f9ba7
WD
2580 else if (preserve_executability && am_sender)
2581 argstr[x++] = 'E';
1c3344a1
WD
2582#ifdef SUPPORT_ACLS
2583 if (preserve_acls)
2584 argstr[x++] = 'A';
16edf865
WD
2585#endif
2586#ifdef SUPPORT_XATTRS
524eaa82 2587 if (preserve_xattrs) {
16edf865 2588 argstr[x++] = 'X';
524eaa82
WD
2589 if (preserve_xattrs > 1)
2590 argstr[x++] = 'X';
2591 }
1c3344a1 2592#endif
aa7a6e87 2593 if (recurse)
d853783f
AT
2594 argstr[x++] = 'r';
2595 if (always_checksum)
2596 argstr[x++] = 'c';
2597 if (cvs_exclude)
2598 argstr[x++] = 'C';
2599 if (ignore_times)
2600 argstr[x++] = 'I';
2601 if (relative_paths)
2602 argstr[x++] = 'R';
243c995f 2603 if (one_file_system) {
d853783f 2604 argstr[x++] = 'x';
243c995f
WD
2605 if (one_file_system > 1)
2606 argstr[x++] = 'x';
2607 }
d853783f
AT
2608 if (sparse_files)
2609 argstr[x++] = 'S';
22a3ac0b 2610 if (do_compression == 1)
d853783f 2611 argstr[x++] = 'z';
f0b36a48 2612
29703623
WD
2613 set_allow_inc_recurse();
2614
f643330e
WD
2615 /* We don't really know the actual protocol_version at this point,
2616 * but checking the pre-negotiated value allows the user to use a
2617 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
29703623 2618 if (protocol_version >= 30) {
aca7dd3b
WD
2619 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2620#define eFlags argstr
29703623
WD
2621 /* We make use of the -e option to let the server know about
2622 * any pre-release protocol version && some behavior flags. */
aca7dd3b 2623 eFlags[x++] = 'e';
2ed790f3 2624#if SUBPROTOCOL_VERSION != 0
29703623
WD
2625 if (protocol_version == PROTOCOL_VERSION) {
2626 x += snprintf(argstr+x, sizeof argstr - x,
2627 "%d.%d",
2628 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2629 } else
2ed790f3 2630#endif
aca7dd3b 2631 eFlags[x++] = '.';
29703623 2632 if (allow_inc_recurse)
aca7dd3b 2633 eFlags[x++] = 'i';
accc091f 2634#ifdef CAN_SET_SYMLINK_TIMES
aca7dd3b 2635 eFlags[x++] = 'L'; /* symlink time-setting support */
91fd15b8
WD
2636#endif
2637#ifdef ICONV_OPTION
aca7dd3b 2638 eFlags[x++] = 's'; /* symlink iconv translation support */
1ed56a05 2639#endif
aca7dd3b
WD
2640 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2641 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
eac85808 2642 eFlags[x++] = 'C'; /* support checksum seed order fix */
3a7bf54a 2643 eFlags[x++] = 'I'; /* support inplace_partial behavior */
4f6c8c66
WD
2644 eFlags[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2645 /* NOTE: Avoid using 'V' -- it was the high bit of a write_byte() that became write_varint(). */
aca7dd3b 2646#undef eFlags
29703623
WD
2647 }
2648
951e826b 2649 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD
2650 rprintf(FERROR, "argstr overflow in server_options().\n");
2651 exit_cleanup(RERR_MALLOC);
2652 }
2653
951e826b
WD
2654 argstr[x] = '\0';
2655
6d301fa3
WD
2656 if (x > 1)
2657 args[ac++] = argstr;
d853783f 2658
a4453606
WD
2659#ifdef ICONV_OPTION
2660 if (iconv_opt) {
2661 char *set = strchr(iconv_opt, ',');
2662 if (set)
2663 set++;
2664 else
2665 set = iconv_opt;
2666 if (asprintf(&arg, "--iconv=%s", set) < 0)
2667 goto oom;
2668 args[ac++] = arg;
2669 }
2670#endif
2671
53936ef9 2672 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD
2673 args[ac++] = NULL;
2674
51d48398
WD
2675 if (list_only > 1)
2676 args[ac++] = "--list-only";
2677
f5a910dd
WD
2678 /* This makes sure that the remote rsync can handle deleting with -d
2679 * sans -r because the --no-r option was added at the same time. */
2680 if (xfer_dirs && !recurse && delete_mode && am_sender)
2681 args[ac++] = "--no-r";
2682
854a1aad
WD
2683 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2684 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2685 goto oom;
2686 args[ac++] = arg;
2687 }
2688
b5c6a6ae
WD
2689 if (preserve_devices) {
2690 /* Note: sending "--devices" would not be backward-compatible. */
2691 if (!preserve_specials)
2692 args[ac++] = "--no-specials"; /* -D is already set. */
2693 } else if (preserve_specials)
2694 args[ac++] = "--specials";
2695
5c5e1598
WD
2696 /* The server side doesn't use our log-format, but in certain
2697 * circumstances they need to know a little about the option. */
b3e4e7ef
WD
2698 if (stdout_format && am_sender) {
2699 /* Use --log-format, not --out-format, for compatibility. */
2700 if (stdout_format_has_i > 1)
487094a0 2701 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2702 else if (stdout_format_has_i)
684d7582 2703 args[ac++] = "--log-format=%i";
b3e4e7ef 2704 else if (stdout_format_has_o_or_i)
5c5e1598
WD
2705 args[ac++] = "--log-format=%o";
2706 else if (!verbose)
2707 args[ac++] = "--log-format=X";
2708 }
1f30a674 2709
195bd906 2710 if (block_size) {
a06b419d 2711 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD
2712 goto oom;
2713 args[ac++] = arg;
dfa32483 2714 }
d853783f
AT
2715
2716 if (io_timeout) {
f98c60bf
WD
2717 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2718 goto oom;
2719 args[ac++] = arg;
dfa32483 2720 }
d853783f 2721
ef5d23eb 2722 if (bwlimit) {
f98c60bf
WD
2723 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2724 goto oom;
2725 args[ac++] = arg;
ef5d23eb
DD
2726 }
2727
d175d7e1
WD
2728 if (backup_dir) {
2729 args[ac++] = "--backup-dir";
2730 args[ac++] = backup_dir;
2731 }
2732
2733 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2734 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2735 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD
2736 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2737 goto oom;
2738 args[ac++] = arg;
d853783f
AT
2739 }
2740
a5a7d3a2
WD
2741 if (checksum_choice) {
2742 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2743 goto oom;
2744 args[ac++] = arg;
2745 }
2746
06a50542 2747 if (am_sender) {
7b9598b2
WD
2748 if (max_delete > 0) {
2749 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2750 goto oom;
2751 args[ac++] = arg;
2752 } else if (max_delete == 0)
d6ca255c 2753 args[ac++] = "--max-delete=-1";
9510fa9a 2754 if (min_size >= 0) {
7b9598b2
WD
2755 args[ac++] = "--min-size";
2756 args[ac++] = min_size_arg;
2757 }
9510fa9a 2758 if (max_size >= 0) {
7b9598b2
WD
2759 args[ac++] = "--max-size";
2760 args[ac++] = max_size_arg;
2761 }
e0e32031 2762 if (delete_before)
c6eb7fad 2763 args[ac++] = "--delete-before";
0d152437
WD
2764 else if (delete_during == 2)
2765 args[ac++] = "--delete-delay";
2766 else if (delete_during)
2767 args[ac++] = "--delete-during";
2768 else if (delete_after)
06a50542 2769 args[ac++] = "--delete-after";
e0e32031
WD
2770 else if (delete_mode && !delete_excluded)
2771 args[ac++] = "--delete";
2772 if (delete_excluded)
2773 args[ac++] = "--delete-excluded";
06a50542
WD
2774 if (force_delete)
2775 args[ac++] = "--force";
11e758a4
WD
2776 if (write_batch < 0)
2777 args[ac++] = "--only-write-batch=X";
def97ff9
WD
2778 if (am_root > 1)
2779 args[ac++] = "--super";
f17e769e
WD
2780 if (size_only)
2781 args[ac++] = "--size-only";
dc6fb11b
WD
2782 if (do_stats)
2783 args[ac++] = "--stats";
b1e436ec
WD
2784 } else {
2785 if (skip_compress) {
2786 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2787 goto oom;
2788 args[ac++] = arg;
2789 }
06a50542 2790 }
b33b791e 2791
42d8ec61
WD
2792 /* --delete-missing-args needs the cooperation of both sides, but
2793 * the sender can handle --ignore-missing-args by itself. */
2794 if (missing_args == 2)
ce66f417 2795 args[ac++] = "--delete-missing-args";
42d8ec61
WD
2796 else if (missing_args == 1 && !am_sender)
2797 args[ac++] = "--ignore-missing-args";
ce66f417 2798
839dbff2
WD
2799 if (modify_window_set && am_sender) {
2800 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2801 if (asprintf(&arg, fmt, modify_window) < 0)
f98c60bf
WD
2802 goto oom;
2803 args[ac++] = arg;
5b56cc19
AT
2804 }
2805
c8d895de 2806 if (checksum_seed) {
221ddb94 2807 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD
2808 goto oom;
2809 args[ac++] = arg;
2810 }
2811
a7260c40 2812 if (partial_dir && am_sender) {
77860bac 2813 if (partial_dir != tmp_partialdir) {
3671987f
WD
2814 args[ac++] = "--partial-dir";
2815 args[ac++] = partial_dir;
2816 }
f06e7082
WD
2817 if (delay_updates)
2818 args[ac++] = "--delay-updates";
77860bac 2819 } else if (keep_partial && am_sender)
d853783f
AT
2820 args[ac++] = "--partial";
2821
ef55c686
AT
2822 if (ignore_errors)
2823 args[ac++] = "--ignore-errors";
2824
b5313607
DD
2825 if (copy_unsafe_links)
2826 args[ac++] = "--copy-unsafe-links";
2827
d853783f
AT
2828 if (safe_symlinks)
2829 args[ac++] = "--safe-links";
2830
2831 if (numeric_ids)
2832 args[ac++] = "--numeric-ids";
2833
95def6d9
WD
2834 if (use_qsort)
2835 args[ac++] = "--use-qsort";
2836
4f3797c7 2837 if (am_sender) {
2df20057
WD
2838 if (usermap) {
2839 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2840 goto oom;
2841 args[ac++] = arg;
2842 }
2843
2844 if (groupmap) {
2845 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2846 goto oom;
2847 args[ac++] = arg;
2848 }
2849
4f3797c7
WD
2850 if (ignore_existing)
2851 args[ac++] = "--ignore-existing";
2852
2853 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2854 if (ignore_non_existing)
2855 args[ac++] = "--existing";
3d6feada 2856
4f3797c7
WD
2857 if (tmpdir) {
2858 args[ac++] = "--temp-dir";
2859 args[ac++] = tmpdir;
2860 }
2861
2862 if (basis_dir[0]) {
2863 /* the server only needs this option if it is not the sender,
2864 * and it may be an older version that doesn't know this
2865 * option, so don't send it if client is the sender.
2866 */
4f3797c7
WD
2867 for (i = 0; i < basis_dir_cnt; i++) {
2868 args[ac++] = dest_option;
2869 args[ac++] = basis_dir[i];
2870 }
2871 }
2872 }
e90aab49 2873
951e826b
WD
2874 /* What flags do we need to send to the other side? */
2875 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2876 arg = make_output_option(info_words, info_levels, where);
2877 if (arg)
2878 args[ac++] = arg;
2879
2880 arg = make_output_option(debug_words, debug_levels, where);
2881 if (arg)
2882 args[ac++] = arg;
2883
936fa865
WD
2884 if (append_mode) {
2885 if (append_mode > 1)
2886 args[ac++] = "--append";
a015788d 2887 args[ac++] = "--append";
936fa865 2888 } else if (inplace)
a3221d2a
WD
2889 args[ac++] = "--inplace";
2890
305666bf
WD
2891 if (files_from && (!am_sender || filesfrom_host)) {
2892 if (filesfrom_host) {
ea5164d1 2893 args[ac++] = "--files-from";
305666bf 2894 args[ac++] = files_from;
ea5164d1
WD
2895 if (eol_nulls)
2896 args[ac++] = "--from0";
2897 } else {
2898 args[ac++] = "--files-from=-";
2899 args[ac++] = "--from0";
2900 }
c0ab28d1
WD
2901 if (!relative_paths)
2902 args[ac++] = "--no-relative";
ea5164d1 2903 }
33a04593
WD
2904 /* It's OK that this checks the upper-bound of the protocol_version. */
2905 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2906 args[ac++] = "--no-implied-dirs";
ea5164d1 2907
7e70e484 2908 if (write_devices && am_sender)
9e9d33a2
WD
2909 args[ac++] = "--write-devices";
2910
47c11975
WD
2911 if (remove_source_files == 1)
2912 args[ac++] = "--remove-source-files";
2913 else if (remove_source_files)
07c6ae7d
WD
2914 args[ac++] = "--remove-sent-files";
2915
28b519c9
WD
2916 if (preallocate_files && am_sender)
2917 args[ac++] = "--preallocate";
2918
87257f86
WD
2919 if (open_noatime && preserve_atimes <= 1)
2920 args[ac++] = "--open-noatime";
b9367410 2921
7a2eca41
WD
2922 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2923 rprintf(FERROR, "argc overflow in server_options().\n");
2924 exit_cleanup(RERR_MALLOC);
2925 }
2926
22a3ac0b
WD
2927 if (do_compression > 1)
2928 args[ac++] = "--new-compress";
2929
7a2eca41
WD
2930 if (remote_option_cnt) {
2931 int j;
2932 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2933 rprintf(FERROR, "too many remote options specified.\n");
2934 exit_cleanup(RERR_SYNTAX);
2935 }
2936 for (j = 1; j <= remote_option_cnt; j++)
2937 args[ac++] = (char*)remote_options[j];
2938 }
2939
ffbffc64 2940 *argc_p = ac;
f98c60bf
WD
2941 return;
2942
2943 oom:
2944 out_of_memory("server_options");
7a6421fa
AT
2945}
2946
58cf3547
WD
2947/* If str points to a valid hostspec, return allocated memory containing the
2948 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2949 * the string after the host part. Otherwise, return NULL. If port_ptr is
2950 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2951 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2952 * (required for parsing) [ and ] chars elided from the returned string. */
2953static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2954{
4d13a2fe 2955 char *s, *host_start = str;
58cf3547
WD
2956 int hostlen = 0, userlen = 0;
2957 char *ret;
2958
4d13a2fe 2959 for (s = str; ; s++) {
58cf3547
WD
2960 if (!*s) {
2961 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD
2962 if (!port_ptr)
2963 return NULL;
2964 if (!hostlen)
2965 hostlen = s - host_start;
2966 break;
58cf3547
WD
2967 }
2968 if (*s == ':' || *s == '/') {
2969 if (!hostlen)
2970 hostlen = s - host_start;
2971 if (*s++ == '/') {
2972 if (!port_ptr)
2973 return NULL;
2974 } else if (port_ptr) {
2975 *port_ptr = atoi(s);
2976 while (isDigit(s)) s++;
4d13a2fe 2977 if (*s && *s++ != '/')
58cf3547
WD
2978 return NULL;
2979 }
2980 break;
2981 }
2982 if (*s == '@') {
2983 userlen = s - str + 1;
2984 host_start = s + 1;
2985 } else if (*s == '[') {
2986 if (s != host_start++)
2987 return NULL;
2988 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2989 hostlen = s - host_start;
2990 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2991 return NULL;
2992 }
2993 }
2994
2995 *path_start_ptr = s;
2996 ret = new_array(char, userlen + hostlen + 1);
2997 if (userlen)
2998 strlcpy(ret, str, userlen + 1);
2999 strlcpy(ret + userlen, host_start, hostlen + 1);
3000 return ret;
3001}
3002
d2970213 3003/* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
305666bf
WD
3004 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3005 * memory with the HOST. If a daemon-accessing spec was specified, the value
3006 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3007 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3008 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3009 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3010char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 3011{
58cf3547 3012 char *path;
305666bf
WD
3013
3014 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD
3015 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3016 if (*host_ptr) {
3017 if (!*port_ptr)
70cbc66b 3018 *port_ptr = -1; /* -1 indicates they want the default */
58cf3547 3019 return path;
305666bf 3020 }
305666bf
WD
3021 }
3022
58cf3547
WD
3023 *host_ptr = parse_hostspec(s, &path, NULL);
3024 if (!*host_ptr)
3025 return NULL;
ea5164d1 3026
58cf3547 3027 if (*path == ':') {
305666bf 3028 if (port_ptr && !*port_ptr)
e2aee6c4 3029 *port_ptr = -1;
58cf3547 3030 return path + 1;
305666bf
WD
3031 }
3032 if (port_ptr)
3033 *port_ptr = 0;
ea5164d1 3034
58cf3547 3035 return path;
ea5164d1 3036}