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[thirdparty/rsync.git] / options.c
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0f78b815
WD
1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
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4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
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
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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 */
7f2a1f65
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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;
2df20057
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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
9b3318b0
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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
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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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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
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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
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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 278 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
55bb4dab 279 DEBUG_WORD(CSUM, W_CLI|W_SRV, "Debug checksum negotiation"),
951e826b 280 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 281 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b 282 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
0c2e8f93 283 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
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WD
284 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-2)"),
285 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
286 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
287 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 288 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
86be7a0e 289 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
c9f540f3 290 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
20caffd2 291 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
951e826b
WD
292 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
293 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
294 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
295 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
296 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 297 { NULL, "--debug", 0, 0, 0, 0 }
951e826b
WD
298};
299
300static int verbose = 0;
301static int do_stats = 0;
302static int do_progress = 0;
e1add893 303static int daemon_opt; /* sets am_daemon after option error-reporting */
f9998046 304static int omit_dir_times = 0;
2624e005 305static int omit_link_times = 0;
aa4d3b4c 306static int F_option_cnt = 0;
5b56cc19 307static int modify_window_set;
624d6be2 308static int itemize_changes = 0;
854a1aad 309static int refused_delete, refused_archive_part, refused_compress;
3296f91b 310static int refused_partial, refused_progress, refused_delete_before;
e0e32031 311static int refused_delete_during;
0b52f94d 312static int refused_inplace, refused_no_iconv;
2df20057 313static BOOL usermap_via_chown, groupmap_via_chown;
f143b55e 314#ifdef HAVE_SETVBUF
6686b93a 315static char *outbuf_mode;
f143b55e 316#endif
ce795fcd 317static char *bwlimit_arg, *max_size_arg, *min_size_arg;
77860bac 318static char tmp_partialdir[] = ".~tmp~";
5b56cc19 319
06963d0f 320/** Local address to bind. As a character string because it's
fdf57ede 321 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP
322 * address, or a hostname. **/
323char *bind_address;
5c9730a4 324
951e826b
WD
325static void output_item_help(struct output_struct *words);
326
327/* This constructs a string that represents all the options set for either
328 * the --info or --debug setting, skipping any implied options (by -v, etc.).
329 * This is used both when conveying the user's options to the server, and
330 * when the help output wants to tell the user what options are implied. */
d239efa3 331static char *make_output_option(struct output_struct *words, short *levels, uchar where)
951e826b
WD
332{
333 char *str = words == info_words ? "--info=" : "--debug=";
334 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
335 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
336 char *buf;
337
338 memset(counts, 0, sizeof counts);
339
340 for (j = 0; words[j].name; j++) {
341 if (words[j].flag != j) {
342 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
343 words == info_words ? "INFO_" : "DEBUG_",
344 words[j].name, words[j].flag, j);
345 exit_cleanup(RERR_UNSUPPORTED);
346 }
347 if (!(words[j].where & where))
348 continue;
349 if (words[j].priority == DEFAULT_PRIORITY) {
350 /* Implied items don't need to be mentioned. */
351 skipped++;
352 continue;
353 }
354 len += len ? 1 : strlen(str);
355 len += strlen(words[j].name);
356 len += levels[j] == 1 ? 0 : 1;
357
358 if (words[j].priority == HELP_PRIORITY)
359 continue; /* no abbreviating for help */
360
361 assert(levels[j] <= MAX_OUT_LEVEL);
362 if (++counts[levels[j]] > max) {
363 /* Determine which level has the most items. */
364 lev = levels[j];
365 max = counts[lev];
366 }
367 }
368
369 /* Sanity check the COUNT_* define against the length of the table. */
370 if (j != word_count) {
371 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
372 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
373 j, word_count);
374 exit_cleanup(RERR_UNSUPPORTED);
375 }
376
377 if (!len)
378 return NULL;
379
380 len++;
381 if (!(buf = new_array(char, len)))
382 out_of_memory("make_output_option");
383 pos = 0;
384
385 if (skipped || max < 5)
386 lev = -1;
387 else {
388 if (lev == 0)
389 pos += snprintf(buf, len, "%sNONE", str);
390 else if (lev == 1)
391 pos += snprintf(buf, len, "%sALL", str);
392 else
393 pos += snprintf(buf, len, "%sALL%d", str, lev);
394 }
395
396 for (j = 0; words[j].name && pos < len; j++) {
397 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
398 continue;
399 if (pos)
400 buf[pos++] = ',';
401 else
402 pos += strlcpy(buf+pos, str, len-pos);
403 if (pos < len)
404 pos += strlcpy(buf+pos, words[j].name, len-pos);
405 /* Level 1 is implied by the name alone. */
406 if (levels[j] != 1 && pos < len)
407 buf[pos++] = '0' + levels[j];
408 }
409
410 buf[pos] = '\0';
411
412 return buf;
413}
414
415static void parse_output_words(struct output_struct *words, short *levels,
d239efa3 416 const char *str, uchar priority)
951e826b
WD
417{
418 const char *s;
419 int j, len, lev;
420
cbc42b9c 421 for ( ; str; str = s) {
951e826b
WD
422 if ((s = strchr(str, ',')) != NULL)
423 len = s++ - str;
424 else
425 len = strlen(str);
cbc42b9c
WD
426 if (!len)
427 continue;
428 if (!isDigit(str)) {
429 while (len && isDigit(str+len-1))
430 len--;
431 }
951e826b
WD
432 lev = isDigit(str+len) ? atoi(str+len) : 1;
433 if (lev > MAX_OUT_LEVEL)
434 lev = MAX_OUT_LEVEL;
435 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
436 output_item_help(words);
437 exit_cleanup(0);
438 }
439 if (len == 4 && strncasecmp(str, "none", 4) == 0)
440 len = lev = 0;
441 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
442 len = 0;
443 for (j = 0; words[j].name; j++) {
444 if (!len
d239efa3 445 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
951e826b
WD
446 if (priority >= words[j].priority) {
447 words[j].priority = priority;
448 levels[j] = lev;
449 }
450 if (len)
451 break;
452 }
453 }
454 if (len && !words[j].name) {
75d96978
WD
455 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
456 words[j].help, len, str);
951e826b
WD
457 exit_cleanup(RERR_SYNTAX);
458 }
951e826b
WD
459 }
460}
461
462/* Tell the user what all the info or debug flags mean. */
463static void output_item_help(struct output_struct *words)
464{
465 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 466 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD
467 char buf[128], *opt, *fmt = "%-10s %s\n";
468 int j;
469
75d96978
WD
470 reset_output_levels();
471
951e826b
WD
472 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
473 rprintf(FINFO, "\n");
474 for (j = 0; words[j].name; j++)
475 rprintf(FINFO, fmt, words[j].name, words[j].help);
476 rprintf(FINFO, "\n");
477
478 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
479 words[j].help, MAX_OUT_LEVEL);
480 rprintf(FINFO, fmt, "ALL", buf);
481
482 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
483 words[j].help);
484 rprintf(FINFO, fmt, "NONE", buf);
485
486 rprintf(FINFO, fmt, "HELP", "Output this help message");
487 rprintf(FINFO, "\n");
488 rprintf(FINFO, "Options added for each increase in verbose level:\n");
489
490 for (j = 1; j <= MAX_VERBOSITY; j++) {
75d96978 491 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD
492 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
493 if (opt) {
494 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
495 free(opt);
496 }
75d96978 497 reset_output_levels();
951e826b 498 }
951e826b
WD
499}
500
501/* The --verbose option now sets info+debug flags. */
d239efa3 502static void set_output_verbosity(int level, uchar priority)
951e826b
WD
503{
504 int j;
505
506 if (level > MAX_VERBOSITY)
507 level = MAX_VERBOSITY;
508
509 for (j = 1; j <= level; j++) {
510 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
511 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
512 }
513}
514
515/* Limit the info+debug flag levels given a verbose-option level limit. */
516void limit_output_verbosity(int level)
517{
518 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
519 int j;
520
521 if (level > MAX_VERBOSITY)
522 return;
523
524 memset(info_limits, 0, sizeof info_limits);
525 memset(debug_limits, 0, sizeof debug_limits);
526
527 /* Compute the level limits in the above arrays. */
528 for (j = 1; j <= level; j++) {
529 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
530 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
531 }
532
533 for (j = 0; j < COUNT_INFO; j++) {
534 if (info_levels[j] > info_limits[j])
535 info_levels[j] = info_limits[j];
536 }
537
538 for (j = 0; j < COUNT_DEBUG; j++) {
539 if (debug_levels[j] > debug_limits[j])
540 debug_levels[j] = debug_limits[j];
541 }
542}
543
544void reset_output_levels(void)
545{
546 int j;
547
548 memset(info_levels, 0, sizeof info_levels);
549 memset(debug_levels, 0, sizeof debug_levels);
550
551 for (j = 0; j < COUNT_INFO; j++)
552 info_words[j].priority = DEFAULT_PRIORITY;
553
554 for (j = 0; j < COUNT_DEBUG; j++)
555 debug_words[j].priority = DEFAULT_PRIORITY;
556}
557
558void negate_output_levels(void)
559{
560 int j;
561
562 for (j = 0; j < COUNT_INFO; j++)
563 info_levels[j] *= -1;
564
565 for (j = 0; j < COUNT_DEBUG; j++)
566 debug_levels[j] *= -1;
567}
7a24c346 568
27a12348 569static void print_rsync_version(enum logcode f)
7a24c346 570{
2ed790f3 571 char *subprotocol = "";
dfa32483 572 char const *got_socketpair = "no ";
a3221d2a 573 char const *have_inplace = "no ";
dfa32483 574 char const *hardlinks = "no ";
28b519c9 575 char const *prealloc = "no ";
1ed56a05 576 char const *symtimes = "no ";
1c3344a1 577 char const *acls = "no ";
16edf865 578 char const *xattrs = "no ";
dfa32483 579 char const *links = "no ";
332cf6df 580 char const *iconv = "no ";
a358449a 581 char const *ipv6 = "no ";
5fa4209c 582 char const *simd = "no ";
a28bc3eb 583 char const *xxhash = "no ";
736a6a29 584 STRUCT_STAT *dumstat;
0c80cd8e 585
2ed790f3 586#if SUBPROTOCOL_VERSION != 0
94112924
WD
587 if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
588 out_of_memory("print_rsync_version");
2ed790f3 589#endif
4f5b0756 590#ifdef HAVE_SOCKETPAIR
dfa32483 591 got_socketpair = "";
0c80cd8e 592#endif
4f5b0756 593#ifdef HAVE_FTRUNCATE
a3221d2a
WD
594 have_inplace = "";
595#endif
4f5b0756 596#ifdef SUPPORT_HARD_LINKS
dfa32483 597 hardlinks = "";
2855f61f 598#endif
28b519c9
WD
599#ifdef SUPPORT_PREALLOCATION
600 prealloc = "";
601#endif
1c3344a1
WD
602#ifdef SUPPORT_ACLS
603 acls = "";
604#endif
16edf865
WD
605#ifdef SUPPORT_XATTRS
606 xattrs = "";
607#endif
4f5b0756 608#ifdef SUPPORT_LINKS
dfa32483 609 links = "";
2855f61f 610#endif
4f5b0756 611#ifdef INET6
a358449a 612 ipv6 = "";
dfa32483 613#endif
332cf6df
WD
614#ifdef ICONV_OPTION
615 iconv = "";
616#endif
accc091f 617#ifdef CAN_SET_SYMLINK_TIMES
1ed56a05
WD
618 symtimes = "";
619#endif
5fa4209c
JJ
620#ifdef HAVE_SIMD
621 simd = "";
70c6b408 622#endif
a28bc3eb
WD
623#ifdef SUPPORT_XXHASH
624 xxhash = "";
625#endif
a358449a 626
719522b9 627 rprintf(f, "%s version %s protocol version %d%s\n",
2ed790f3 628 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
c5fabfb0 629 rprintf(f, "Copyright (C) 1996-" LATEST_YEAR " by Andrew Tridgell, Wayne Davison, and others.\n");
719522b9
WD
630 rprintf(f, "Web site: http://rsync.samba.org/\n");
631 rprintf(f, "Capabilities:\n");
632 rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
d619ff13
WD
633 (int)(sizeof (OFF_T) * 8),
634 (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
bb25779d 635 (int)(sizeof (time_t) * 8),
d619ff13
WD
636 (int)(sizeof (int64) * 8));
637 rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
638 got_socketpair, hardlinks, links, ipv6, have_inplace);
a28bc3eb
WD
639 rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes, %sprealloc, %sSIMD, %sxxhash\n",
640 have_inplace, acls, xattrs, iconv, symtimes, prealloc, simd, xxhash);
2855f61f 641
fc0302cf 642#ifdef MAINTAINER_MODE
29433538 643 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
fc0302cf 644#endif
736a6a29 645
031fa9ad
WD
646#if SIZEOF_INT64 < 8
647 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
7a24c346 648#endif
c561edaa
WD
649 if (sizeof (int64) != SIZEOF_INT64) {
650 rprintf(f,
651 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
652 (int) SIZEOF_INT64, (int) sizeof (int64));
653 }
7b329a2d 654
b64ee91a
WD
655 rprintf(f,"\n");
656 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
6ab423a5
WD
657 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
658 rprintf(f,"General Public Licence for details.\n");
7a24c346
MP
659}
660
661
0f3203c3 662void usage(enum logcode F)
7a6421fa 663{
2855f61f 664 print_rsync_version(F);
704f908e 665
b64ee91a
WD
666 rprintf(F,"\n");
667 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
6ab423a5 668 rprintf(F,"via a fast differencing algorithm.\n");
704f908e 669
b64ee91a
WD
670 rprintf(F,"\n");
671 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
868676dc
WD
672 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
673 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
674 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
d0e94abb 675 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
14d43f1f 676 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
14d43f1f 677 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
08d82b84
WD
678 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
679 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
b64ee91a
WD
680 rprintf(F,"\n");
681 rprintf(F,"Options\n");
704f908e 682 rprintf(F," -v, --verbose increase verbosity\n");
951e826b
WD
683 rprintf(F," --info=FLAGS fine-grained informational verbosity\n");
684 rprintf(F," --debug=FLAGS fine-grained debug verbosity\n");
c1005fb2 685 rprintf(F," --msgs2stderr special output handling for debugging\n");
b3708acf 686 rprintf(F," -q, --quiet suppress non-error messages\n");
dc1f7b9e 687 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
b3708acf 688 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
16edf865 689 rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
8938d67e 690 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
704f908e
AT
691 rprintf(F," -r, --recursive recurse into directories\n");
692 rprintf(F," -R, --relative use relative path names\n");
11bfaf63 693 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
6839140e 694 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
b3708acf
WD
695 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
696 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
697 rprintf(F," -u, --update skip files that are newer on the receiver\n");
4ce838e1 698 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
a015788d 699 rprintf(F," --append append data onto shorter files\n");
936fa865 700 rprintf(F," --append-verify like --append, but with old data in file checksum\n");
65e4cda0 701 rprintf(F," -d, --dirs transfer directories without recursing\n");
13e29995 702 rprintf(F," -l, --links copy symlinks as symlinks\n");
b3708acf
WD
703 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
704 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
705 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
41adbcec 706 rprintf(F," --munge-links munge symlinks to make them safer (but unusable)\n");
2dbf36ef 707 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
65e4cda0 708 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
2dbf36ef 709 rprintf(F," -H, --hard-links preserve hard links\n");
704f908e 710 rprintf(F," -p, --perms preserve permissions\n");
344f9ba7 711 rprintf(F," -E, --executability preserve the file's executability\n");
dfe1ed5e 712 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
1c3344a1
WD
713#ifdef SUPPORT_ACLS
714 rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
16edf865
WD
715#endif
716#ifdef SUPPORT_XATTRS
3caafdfd 717 rprintf(F," -X, --xattrs preserve extended attributes\n");
1c3344a1 718#endif
def97ff9 719 rprintf(F," -o, --owner preserve owner (super-user only)\n");
704f908e 720 rprintf(F," -g, --group preserve group\n");
def97ff9 721 rprintf(F," --devices preserve device files (super-user only)\n");
b5c6a6ae
WD
722 rprintf(F," --specials preserve special files\n");
723 rprintf(F," -D same as --devices --specials\n");
42b06481 724 rprintf(F," -t, --times preserve modification times\n");
b9367410 725 rprintf(F," -U, --atimes preserve access (last-used) times\n");
87257f86 726 rprintf(F," --open-noatime avoid changing the atime on opened files\n");
42b06481 727 rprintf(F," -O, --omit-dir-times omit directories from --times\n");
2624e005 728 rprintf(F," -J, --omit-link-times omit symlinks from --times\n");
def97ff9 729 rprintf(F," --super receiver attempts super-user activities\n");
9439c0cb
WD
730#ifdef SUPPORT_XATTRS
731 rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
732#endif
f3873b3d 733 rprintf(F," -S, --sparse turn sequences of nulls into sparse blocks\n");
28b519c9
WD
734#ifdef SUPPORT_PREALLOCATION
735 rprintf(F," --preallocate allocate dest files before writing them\n");
736#else
737 rprintf(F," --preallocate pre-allocate dest files on remote receiver\n");
738#endif
9e9d33a2 739 rprintf(F," --write-devices write to devices as files (implies --inplace)\n");
d100e733 740 rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
f7a2ac07 741 rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
a5a7d3a2 742 rprintf(F," --checksum-choice=STR choose the checksum algorithms\n");
704f908e 743 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9cd339eb 744 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
b3708acf 745 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
05ee4866 746 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
fcecb70b
WD
747 rprintf(F," --existing skip creating new files on receiver\n");
748 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
47c11975 749 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
3359acb8 750 rprintf(F," --del an alias for --delete-during\n");
fcecb70b 751 rprintf(F," --delete delete extraneous files from destination dirs\n");
e0e32031 752 rprintf(F," --delete-before receiver deletes before transfer, not during\n");
d5bff8ff 753 rprintf(F," --delete-during receiver deletes during the transfer\n");
b0cacef1 754 rprintf(F," --delete-delay find deletions during, delete after\n");
e0e32031 755 rprintf(F," --delete-after receiver deletes after transfer, not during\n");
fcecb70b 756 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
42d8ec61
WD
757 rprintf(F," --ignore-missing-args ignore missing source args without error\n");
758 rprintf(F," --delete-missing-args delete missing source args from destination\n");
db2b5cb7 759 rprintf(F," --ignore-errors delete even if there are I/O errors\n");
51d48398 760 rprintf(F," --force force deletion of directories even if not empty\n");
0b73ca12 761 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
7d5acf1d 762 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
74de13d1 763 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
c95da96a 764 rprintf(F," --partial keep partially transferred files\n");
a7260c40 765 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
b3708acf 766 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
876c9936 767 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
704f908e 768 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
2df20057
WD
769 rprintf(F," --usermap=STRING custom username mapping\n");
770 rprintf(F," --groupmap=STRING custom groupname mapping\n");
771 rprintf(F," --chown=USER:GROUP simple username/groupname mapping\n");
ba22c9e2
WD
772 rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
773 rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
b3708acf 774 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
7a2eca41 775 rprintf(F," -M, --remote-option=OPTION send OPTION to the remote side only\n");
b3708acf 776 rprintf(F," --size-only skip files that match in size\n");
839dbff2 777 rprintf(F," -@, --modify-window=NUM set the accuracy for mod-time comparisons\n");
4db88e5b 778 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
c4ed1487 779 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
375a4556 780 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
1de3e99b 781 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
e012f858 782 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
f924946e 783 rprintf(F," -z, --compress compress file data during the transfer\n");
854a1aad 784 rprintf(F," --compress-level=NUM explicitly set compression level\n");
b1e436ec 785 rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
b3708acf 786 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
aa4d3b4c 787 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
9c71f56a 788 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
aa4d3b4c 789 rprintf(F," repeated: --filter='- .rsync-filter'\n");
2acf81eb 790 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
b3708acf 791 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
2acf81eb 792 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
b3708acf
WD
793 rprintf(F," --include-from=FILE read include patterns from FILE\n");
794 rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
72316028 795 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
7a4addaa 796 rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
08650cb1 797 rprintf(F," --copy-as=USER[:GROUP] specify user & optional group for the copy\n");
b4ef0bca 798 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
b4713295 799 rprintf(F," --port=PORT specify double-colon alternate port number\n");
831f06a5 800 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
db2b5cb7 801 rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
b3708acf 802 rprintf(F," --stats give some file-transfer stats\n");
a6a27602 803 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
05724c07 804 rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
dfa32483 805 rprintf(F," --progress show progress during transfer\n");
b3708acf 806 rprintf(F," -P same as --partial --progress\n");
b78296cb 807 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
b3e4e7ef
WD
808 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
809 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
810 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
09a54c39 811 rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
65e4cda0 812 rprintf(F," --list-only list the files instead of copying them\n");
ce795fcd 813 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
6686b93a
WD
814#ifdef HAVE_SETVBUF
815 rprintf(F," --outbuf=N|L|B set output buffering to None, Line, or Block\n");
816#endif
b3708acf 817 rprintf(F," --write-batch=FILE write a batched update to FILE\n");
11e758a4 818 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
b3708acf 819 rprintf(F," --read-batch=FILE read a batched update from FILE\n");
da9f5926 820 rprintf(F," --protocol=NUM force an older protocol version to be used\n");
332cf6df 821#ifdef ICONV_OPTION
84e1a34e 822 rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
332cf6df 823#endif
d9ca1e49 824 rprintf(F," --checksum-seed=NUM set block/file checksum seed (advanced)\n");
4db88e5b
WD
825 rprintf(F," -4, --ipv4 prefer IPv4\n");
826 rprintf(F," -6, --ipv6 prefer IPv6\n");
4a34c6f1 827 rprintf(F," --version print version number\n");
c4c5dc68 828 rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n");
7a6421fa 829
b64ee91a
WD
830 rprintf(F,"\n");
831 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
3ac7f5d4 832 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
2855f61f 833 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
7a6421fa
AT
834}
835
3ac7f5d4 836enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 837 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 838 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 839 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
951e826b 840 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG,
ce795fcd 841 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT,
0ccffd7c 842 OPT_SERVER, OPT_REFUSED_BASE = 9000};
7a6421fa 843
2855f61f
MP
844static struct poptOption long_options[] = {
845 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 846 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
8db7cc2c 847 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
e86e2fa1 848 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 849 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 850 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD
851 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
852 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
eabc85ef 853 {"msgs2stderr", 0, POPT_ARG_NONE, &msgs2stderr, 0, 0, 0 },
e86e2fa1 854 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD
855 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
856 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 857 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 858 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD
859 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
860 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 861 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD
862 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
863 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
864 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 865 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 866 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 867 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD
868 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
869 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 870 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD
871 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
872 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD
873 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
874 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD
875 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
876 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
877 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 878 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD
879 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
880 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
881 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD
882 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
883 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
884 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
2624e005 885 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
b6164938
WD
886 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
887 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
b9367410
WD
888 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
889 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
890 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
87257f86
WD
891 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
892 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
f9998046 893 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD
894 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
895 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
2624e005
WD
896 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
897 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
898 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
839dbff2 899 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD
900 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
901 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 902 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD
903 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
904 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
905 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
906 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
907 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
908 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD
909 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
910 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
911 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 912 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
9e9d33a2
WD
913 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
914 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
b5c6a6ae
WD
915 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
916 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 917 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD
918 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
919 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD
920 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
921 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
922 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD
923 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
924 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 925 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 926 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 927 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD
928 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
929 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD
930 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
931 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 932 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 933 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 934 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD
935 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
936 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 937 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD
938 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
939 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 940 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
8b48c682
WD
941 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
942 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 943 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 944 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 945 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 946 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 947 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 948 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
852e763b
WD
949 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
950 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
951 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
28b519c9 952 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
852e763b
WD
953 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
954 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD
955 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
956 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
957 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 958 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 959 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 960 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD
961 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
962 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD
963 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
964 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
42d8ec61
WD
965 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
966 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
47c11975
WD
967 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
968 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD
969 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
970 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
971 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
972 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD
973 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
974 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 975 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD
976 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
977 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
978 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
979 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 980 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD
981 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
982 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
a5a7d3a2 983 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
b6164938 984 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD
985 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
986 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
987 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
a06b419d 988 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
e012f858 989 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 990 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 991 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
48b51d00 992 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
852e763b 993 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 994 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 995 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
22a3ac0b
WD
996 {"old-compress", 0, POPT_ARG_VAL, &do_compression, 1, 0, 0 },
997 {"new-compress", 0, POPT_ARG_VAL, &do_compression, 2, 0, 0 },
8487f9cf
WD
998 {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
999 {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
852e763b 1000 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
22a3ac0b 1001 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 0, 0, 0 },
11bfaf63 1002 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD
1003 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
1004 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
1005 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
1006 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 1007 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD
1008 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
1009 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD
1010 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
1011 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
1012 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 1013 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD
1014 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
1015 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
1016 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 1017 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD
1018 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
1019 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
ce795fcd 1020 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
8487f9cf
WD
1021 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
1022 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
1023 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 1024 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD
1025 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
1026 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD
1027 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
1028 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 1029 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 1030 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD
1031 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
1032 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
c35d6e35
WD
1033 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
1034 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
1035 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD
1036 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
1037 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD
1038 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
1039 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
1040 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 1041 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 1042 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 1043 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 1044 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
e86e2fa1
WD
1045 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
1046 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
1047 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df
WD
1048#ifdef ICONV_OPTION
1049 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 1050 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
332cf6df 1051#endif
3dd22903
WD
1052 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1053 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD
1054 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
1055 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
1056 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
8487f9cf 1057 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
08650cb1 1058 {"copy-as", 0, POPT_ARG_STRING, &copy_as, 0, 0, 0 },
e86e2fa1
WD
1059 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
1060 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1061 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1
WD
1062 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
1063 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
1064 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
6686b93a
WD
1065#ifdef HAVE_SETVBUF
1066 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
1067#endif
7a2eca41 1068 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD
1069 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1070 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 1071 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD
1072 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
1073 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD
1074 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1075 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 1076 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 1077 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 1078 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD
1079 {0,0,0,0, 0, 0, 0}
1080};
1081
1082static void daemon_usage(enum logcode F)
1083{
1084 print_rsync_version(F);
1085
b64ee91a
WD
1086 rprintf(F,"\n");
1087 rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
3ac7f5d4 1088 rprintf(F," --address=ADDRESS bind to the specified address\n");
ce795fcd 1089 rprintf(F," --bwlimit=RATE limit socket I/O bandwidth\n");
3ac7f5d4 1090 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
2206abf8 1091 rprintf(F," -M, --dparam=OVERRIDE override global daemon config parameter\n");
3ac7f5d4 1092 rprintf(F," --no-detach do not detach from the parent\n");
b3708acf 1093 rprintf(F," --port=PORT listen on alternate port number\n");
87c0f9d6 1094 rprintf(F," --log-file=FILE override the \"log file\" setting\n");
232658d9 1095 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
831f06a5 1096 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
1bd9db74 1097 rprintf(F," -v, --verbose increase verbosity\n");
3ac7f5d4
WD
1098 rprintf(F," -4, --ipv4 prefer IPv4\n");
1099 rprintf(F," -6, --ipv6 prefer IPv6\n");
05724c07 1100 rprintf(F," --help show this help screen\n");
3ac7f5d4 1101
b64ee91a
WD
1102 rprintf(F,"\n");
1103 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
3ac7f5d4
WD
1104 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
1105}
1106
1107static struct poptOption long_daemon_options[] = {
1108 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
1109 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 1110 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD
1111 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
1112 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 1113 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD
1114 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
1115 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 1116 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 1117 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 1118 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 1119 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 1120 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 1121 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD
1122 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
1123 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 1124 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 1125 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD
1126 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
1127 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 1128 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 1129 {0,0,0,0, 0, 0, 0}
2855f61f 1130};
7a6421fa 1131
06963d0f 1132
e51094b7 1133static char err_buf[200];
cd8185f2 1134
2855f61f 1135
dafe63ca
MP
1136/**
1137 * Store the option error message, if any, so that we can log the
1138 * connection attempt (which requires parsing the options), and then
1139 * show the error later on.
1140 **/
cd8185f2
AT
1141void option_error(void)
1142{
e51094b7 1143 if (!err_buf[0]) {
c9bce0b8
WD
1144 strlcpy(err_buf, "Error parsing options: option may "
1145 "be supported on client but not on server?\n",
1146 sizeof err_buf);
cd8185f2 1147 }
e51094b7 1148
e51094b7 1149 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
e448d31d 1150 io_flush(FULL_FLUSH);
8f1dc165 1151 msleep(20);
cd8185f2
AT
1152}
1153
dafe63ca 1154
3b36bde9 1155static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
b3a1a0ca
WD
1156{
1157 struct poptOption *op;
1158 char shortName[2];
1159 int is_wild = strpbrk(ref, "*?[") != NULL;
1160 int found_match = 0;
1161
1162 shortName[1] = '\0';
1163
1164 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
1165 ref = "[ardlptgoD]";
1166 is_wild = 1;
1167 }
1168
1169 for (op = long_options; op != list_end; op++) {
1170 *shortName = op->shortName;
1171 if ((op->longName && wildmatch(ref, op->longName))
1172 || (*shortName && wildmatch(ref, shortName))) {
be7af36c
WD
1173 if (op->descrip[1] == '*')
1174 op->descrip = negated ? "a*" : "r*";
b3a1a0ca 1175 else if (!is_wild)
be7af36c 1176 op->descrip = negated ? "a=" : "r=";
b3a1a0ca
WD
1177 found_match = 1;
1178 if (!is_wild)
1179 break;
1180 }
1181 }
1182
1183 if (!found_match)
1184 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
1185}
1186
1187
dafe63ca 1188/**
27ed20f7
WD
1189 * Tweak the option table to disable all options that the rsyncd.conf
1190 * file has told us to refuse.
dafe63ca 1191 **/
b3a1a0ca 1192static void set_refuse_options(void)
cd8185f2 1193{
b3a1a0ca
WD
1194 struct poptOption *op, *list_end = NULL;
1195 char *cp, *ref = lp_refuse_options(module_id);
1196 int negated;
093e816c 1197
b3a1a0ca
WD
1198 if (!ref)
1199 ref = "";
27ed20f7 1200
b3a1a0ca
WD
1201 if (!*ref && !am_daemon) /* A simple optimization */
1202 return;
1203
1204 /* We abuse the descrip field in poptOption to make it easy to flag which options
1205 * are refused (since we don't use it otherwise). Start by marking all options
be7af36c 1206 * as "a"ccepted with a few options also marked as non-wild. */
b3a1a0ca
WD
1207 for (op = long_options; ; op++) {
1208 const char *longName = op->longName ? op->longName : "";
1209 if (!op->longName && !op->shortName) {
1210 list_end = op;
06a50542 1211 break;
d73e7f6e 1212 }
be7af36c 1213 if (op->shortName == 'e' /* Required for compatibility flags */
b3a1a0ca
WD
1214 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
1215 || op->shortName == 's' /* --protect-args is always OK */
1216 || op->shortName == 'n' /* --dry-run is always OK */
b3a1a0ca
WD
1217 || strcmp("iconv", longName) == 0
1218 || strcmp("no-iconv", longName) == 0
1219 || strcmp("checksum-seed", longName) == 0
1220 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
be7af36c
WD
1221 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
1222 || strcmp("sender", longName) == 0
1223 || strcmp("server", longName) == 0)
1224 op->descrip = "a="; /* exact-match only */
b3a1a0ca 1225 else
be7af36c 1226 op->descrip = "a*"; /* wild-card-able */
b3a1a0ca
WD
1227 }
1228 assert(list_end != NULL);
1229
1230 if (am_daemon) /* Refused by default, but can be accepted via "!write-devices" */
3b36bde9 1231 parse_one_refuse_match(0, "write-devices", list_end);
b3a1a0ca
WD
1232
1233 while (1) {
1234 while (*ref == ' ') ref++;
1235 if (!*ref)
1236 break;
1237 if ((cp = strchr(ref, ' ')) != NULL)
1238 *cp = '\0';
1239 negated = *ref == '!';
1240 if (negated && ref[1])
1241 ref++;
3b36bde9 1242 parse_one_refuse_match(negated, ref, list_end);
27ed20f7
WD
1243 if (!cp)
1244 break;
1245 *cp = ' ';
b3a1a0ca
WD
1246 ref = cp + 1;
1247 }
1248
1249 if (am_daemon) {
1250#ifdef ICONV_OPTION
1251 if (!*lp_charset(module_id))
3b36bde9 1252 parse_one_refuse_match(0, "iconv", list_end);
b3a1a0ca 1253#endif
3b36bde9 1254 parse_one_refuse_match(0, "log-file*", list_end);
b3a1a0ca
WD
1255 }
1256
1257 /* Now we use the descrip values to actually mark the options for refusal. */
1258 for (op = long_options; op != list_end; op++) {
be7af36c 1259 int refused = op->descrip[0] == 'r';
b3a1a0ca
WD
1260 op->descrip = NULL;
1261 if (!refused)
1262 continue;
1263 if (op->argInfo == POPT_ARG_VAL)
1264 op->argInfo = POPT_ARG_NONE;
1265 op->val = (op - long_options) + OPT_REFUSED_BASE;
1266 /* The following flags are set to let us easily check an implied option later in the code. */
1267 switch (op->shortName) {
1268 case 'r': case 'd': case 'l': case 'p':
1269 case 't': case 'g': case 'o': case 'D':
1270 refused_archive_part = op->val;
1271 break;
1272 case 'z':
1273 refused_compress = op->val;
1274 break;
1275 case '\0':
1276 if (strcmp("delete", op->longName) == 0)
1277 refused_delete = op->val;
1278 else if (strcmp("delete-before", op->longName) == 0)
1279 refused_delete_before = op->val;
1280 else if (strcmp("delete-during", op->longName) == 0)
1281 refused_delete_during = op->val;
1282 else if (strcmp("partial", op->longName) == 0)
1283 refused_partial = op->val;
1284 else if (strcmp("progress", op->longName) == 0)
1285 refused_progress = op->val;
1286 else if (strcmp("inplace", op->longName) == 0)
1287 refused_inplace = op->val;
1288 else if (strcmp("no-iconv", op->longName) == 0)
1289 refused_no_iconv = op->val;
1290 break;
1291 }
cd8185f2 1292 }
cd8185f2
AT
1293}
1294
1295
8db7cc2c 1296static int count_args(const char **argv)
2855f61f 1297{
dfa32483 1298 int i = 0;
2855f61f 1299
8db7cc2c
WD
1300 if (argv) {
1301 while (argv[i] != NULL)
1302 i++;
1303 }
dfa32483
WD
1304
1305 return i;
2855f61f
MP
1306}
1307
1308
837d01dd 1309static OFF_T parse_size_arg(char **size_arg, char def_suf)
95e107db 1310{
3c19f72c
WD
1311 int reps, mult, make_compatible = 0;
1312 const char *arg;
1313 OFF_T size = 1;
95e107db 1314
2dc7b8bd 1315 for (arg = *size_arg; isDigit(arg); arg++) {}
95e107db 1316 if (*arg == '.')
2dc7b8bd 1317 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1318 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1319 case 'b': case 'B':
3c19f72c 1320 reps = 0;
837d01dd 1321 break;
95e107db 1322 case 'k': case 'K':
3c19f72c 1323 reps = 1;
95e107db
WD
1324 break;
1325 case 'm': case 'M':
3c19f72c 1326 reps = 2;
95e107db
WD
1327 break;
1328 case 'g': case 'G':
3c19f72c 1329 reps = 3;
95e107db
WD
1330 break;
1331 default:
3c19f72c 1332 return -1;
95e107db 1333 }
3c19f72c
WD
1334 if (*arg == 'b' || *arg == 'B')
1335 mult = 1000, make_compatible = 1, arg++;
1336 else if (!*arg || *arg == '+' || *arg == '-')
1337 mult = 1024;
1338 else if (strncasecmp(arg, "ib", 2) == 0)
1339 mult = 1024, arg += 2;
1340 else
1341 return -1;
1342 while (reps--)
1343 size *= mult;
1344 size *= atof(*size_arg);
1345 if ((*arg == '+' || *arg == '-') && arg[1] == '1')
1346 size += atoi(arg), make_compatible = 1, arg += 2;
1347 if (*arg)
1348 return -1;
ce795fcd 1349 if (size > 0 && make_compatible && def_suf == 'b') {
74de13d1
WD
1350 /* We convert this manually because we may need %lld precision,
1351 * and that's not a portable sprintf() escape. */
8f14cc49 1352 char buf[128], *s = buf + sizeof buf - 1;
aeb213ea 1353 OFF_T num = size;
8f14cc49 1354 *s = '\0';
aeb213ea 1355 while (num) {
26404276 1356 *--s = (char)(num % 10) + '0';
aeb213ea
WD
1357 num /= 10;
1358 }
1359 if (!(*size_arg = strdup(s)))
1360 out_of_memory("parse_size_arg");
1361 }
95e107db
WD
1362 return size;
1363}
1364
1365
3671987f
WD
1366static void create_refuse_error(int which)
1367{
1368 /* The "which" value is the index + OPT_REFUSED_BASE. */
1369 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
1370 int n = snprintf(err_buf, sizeof err_buf,
1371 "The server is configured to refuse --%s\n",
1372 op->longName) - 1;
1373 if (op->shortName) {
1374 snprintf(err_buf + n, sizeof err_buf - n,
1375 " (-%c)\n", op->shortName);
1376 }
1377}
1378
9e7b8ab7
WD
1379/* This is used to make sure that --daemon & --server cannot be aliased to
1380 * something else. These options have always disabled popt aliases for the
1381 * parsing of a daemon or server command-line, but we have to make sure that
1382 * these options cannot vanish so that the alias disabling can take effect. */
1383static void popt_unalias(poptContext con, const char *opt)
1384{
1385 struct poptAlias unalias;
1386
1387 unalias.longName = opt + 2; /* point past the leading "--" */
1388 unalias.shortName = '\0';
1389 unalias.argc = 1;
1390 unalias.argv = new_array(const char*, 1);
1391 unalias.argv[0] = strdup(opt);
1392
1393 poptAddAlias(con, unalias, 0);
1394}
3671987f 1395
dafe63ca
MP
1396/**
1397 * Process command line arguments. Called on both local and remote.
1398 *
1399 * @retval 1 if all options are OK; with globals set to appropriate
1400 * values
1401 *
1402 * @retval 0 on error, with err_buf containing an explanation
1403 **/
53936ef9 1404int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1405{
7a4addaa 1406 static poptContext pc;
ffbffc64
WD
1407 const char *arg, **argv = *argv_p;
1408 int argc = *argc_p;
1409 int opt;
77063038 1410 int orig_protect_args = protect_args;
d853783f 1411
a3668685
WD
1412 if (argc == 0) {
1413 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1414 return 0;
1415 }
b3a1a0ca
WD
1416
1417 set_refuse_options();
27ed20f7 1418
332cf6df 1419#ifdef ICONV_OPTION
4c4a2962 1420 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD
1421 iconv_opt = strdup(arg);
1422#endif
1423
dfa32483 1424 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1425
dfa32483
WD
1426 /* The context leaks in case of an error, but if there's a
1427 * problem we always exit anyhow. */
7a4addaa
WD
1428 if (pc)
1429 poptFreeContext(pc);
1430 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
9e7b8ab7 1431 if (!am_server) {
7a4addaa 1432 poptReadDefaultConfig(pc, 0);
9e7b8ab7
WD
1433 popt_unalias(pc, "--daemon");
1434 popt_unalias(pc, "--server");
1435 }
2855f61f
MP
1436
1437 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD
1438 /* most options are handled automatically by popt;
1439 * only special cases are returned and listed here. */
2855f61f 1440
d853783f
AT
1441 switch (opt) {
1442 case OPT_VERSION:
dfa32483 1443 print_rsync_version(FINFO);
d853783f 1444 exit_cleanup(0);
dfa32483 1445
0ccffd7c
WD
1446 case OPT_SERVER:
1447 if (!am_server) {
1448 /* Disable popt aliases on the server side and
1449 * then start parsing the options again. */
1450 poptFreeContext(pc);
ffbffc64 1451 pc = poptGetContext(RSYNC_NAME, argc, argv,
0ccffd7c
WD
1452 long_options, 0);
1453 am_server = 1;
1454 }
332cf6df
WD
1455#ifdef ICONV_OPTION
1456 iconv_opt = NULL;
1457#endif
0ccffd7c
WD
1458 break;
1459
1460 case OPT_SENDER:
1461 if (!am_server) {
1462 usage(FERROR);
1463 exit_cleanup(RERR_SYNTAX);
1464 }
1465 am_sender = 1;
1466 break;
1467
3ac7f5d4
WD
1468 case OPT_DAEMON:
1469 if (am_daemon) {
c9bce0b8
WD
1470 strlcpy(err_buf,
1471 "Attempt to hack rsync thwarted!\n",
1472 sizeof err_buf);
3ac7f5d4
WD
1473 return 0;
1474 }
332cf6df
WD
1475#ifdef ICONV_OPTION
1476 iconv_opt = NULL;
1477#endif
4c4a2962 1478 protect_args = 0;
3ac7f5d4 1479 poptFreeContext(pc);
ffbffc64 1480 pc = poptGetContext(RSYNC_NAME, argc, argv,
3ac7f5d4
WD
1481 long_daemon_options, 0);
1482 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1483 char **cpp;
3ac7f5d4
WD
1484 switch (opt) {
1485 case 'h':
1486 daemon_usage(FINFO);
1487 exit_cleanup(0);
1488
2206abf8
WD
1489 case 'M':
1490 arg = poptGetOptArg(pc);
1491 if (!strchr(arg, '=')) {
1492 rprintf(FERROR,
1493 "--dparam value is missing an '=': %s\n",
1494 arg);
1495 goto daemon_error;
1496 }
1497 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1498 *cpp = strdup(arg);
1499 break;
1500
1bd9db74
WD
1501 case 'v':
1502 verbose++;
1503 break;
1504
3ac7f5d4
WD
1505 default:
1506 rprintf(FERROR,
1507 "rsync: %s: %s (in daemon mode)\n",
1508 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1509 poptStrerror(opt));
1510 goto daemon_error;
1511 }
1512 }
b6e22a47 1513
2206abf8
WD
1514 if (dparam_list.count && !set_dparams(1))
1515 exit_cleanup(RERR_SYNTAX);
1516
b6e22a47
WD
1517 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1518 snprintf(err_buf, sizeof err_buf,
1519 "the --temp-dir path is WAY too long.\n");
1520 return 0;
1521 }
1522
3ac7f5d4
WD
1523 if (!daemon_opt) {
1524 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1525 daemon_error:
1526 rprintf(FERROR,
1527 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1528 exit_cleanup(RERR_SYNTAX);
1529 }
b6e22a47 1530
ffbffc64
WD
1531 *argv_p = argv = poptGetArgs(pc);
1532 *argc_p = argc = count_args(argv);
7f2a1f65 1533 am_starting_up = 0;
3ac7f5d4
WD
1534 daemon_opt = 0;
1535 am_daemon = 1;
1536 return 1;
1537
5b56cc19 1538 case OPT_MODIFY_WINDOW:
dfa32483
WD
1539 /* The value has already been set by popt, but
1540 * we need to remember that we're using a
1541 * non-default setting. */
5b56cc19
AT
1542 modify_window_set = 1;
1543 break;
1de50993 1544
aa4d3b4c 1545 case OPT_FILTER:
c8fa85b2
MM
1546 parse_filter_str(&filter_list, poptGetOptArg(pc),
1547 rule_template(0), 0);
d853783f
AT
1548 break;
1549
aa4d3b4c 1550 case OPT_EXCLUDE:
c8fa85b2
MM
1551 parse_filter_str(&filter_list, poptGetOptArg(pc),
1552 rule_template(0), XFLG_OLD_PREFIXES);
aa4d3b4c
WD
1553 break;
1554
d853783f 1555 case OPT_INCLUDE:
c8fa85b2
MM
1556 parse_filter_str(&filter_list, poptGetOptArg(pc),
1557 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
d853783f
AT
1558 break;
1559
1560 case OPT_EXCLUDE_FROM:
93695764 1561 case OPT_INCLUDE_FROM:
7be73df4 1562 arg = poptGetOptArg(pc);
1a7f3d99 1563 if (sanitize_paths)
d48810ba 1564 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1565 if (daemon_filter_list.head) {
200aec7d 1566 int rej;
2907af47 1567 char *cp = strdup(arg);
d3ef9859
WD
1568 if (!cp)
1569 out_of_memory("parse_arguments");
3671987f 1570 if (!*cp)
2907af47
WD
1571 rej = 1;
1572 else {
1573 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1574 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1575 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1576 }
d3ef9859 1577 free(cp);
200aec7d
WD
1578 if (rej)
1579 goto options_rejected;
ba3db479 1580 }
3a5e9224 1581 parse_filter_file(&filter_list, arg,
c8fa85b2 1582 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
3a5e9224 1583 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD
1584 break;
1585
b6164938
WD
1586 case 'a':
1587 if (refused_archive_part) {
1588 create_refuse_error(refused_archive_part);
1589 return 0;
1590 }
1591 if (!recurse) /* preserve recurse == 2 */
1592 recurse = 1;
1593#ifdef SUPPORT_LINKS
1594 preserve_links = 1;
1595#endif
1596 preserve_perms = 1;
2624e005 1597 preserve_times = 1;
b6164938
WD
1598 preserve_gid = 1;
1599 preserve_uid = 1;
1600 preserve_devices = 1;
b5c6a6ae
WD
1601 preserve_specials = 1;
1602 break;
1603
1604 case 'D':
1605 preserve_devices = preserve_specials = 1;
1606 break;
1607
1608 case OPT_NO_D:
1609 preserve_devices = preserve_specials = 0;
b6164938
WD
1610 break;
1611
3ca9e5d8
WD
1612 case 'h':
1613 human_readable++;
1614 break;
1615
e0e32031
WD
1616 case 'H':
1617 preserve_hard_links++;
1618 break;
1619
487094a0
WD
1620 case 'i':
1621 itemize_changes++;
1622 break;
1623
b9367410
WD
1624 case 'U':
1625 if (++preserve_atimes > 1)
b3a1a0ca 1626 open_noatime = 1;
b9367410
WD
1627 break;
1628
d853783f
AT
1629 case 'v':
1630 verbose++;
1631 break;
7a6421fa 1632
48b51d00
WD
1633 case 'y':
1634 fuzzy_basis++;
1635 break;
1636
b86f0cef 1637 case 'q':
53936ef9 1638 quiet++;
b86f0cef
DD
1639 break;
1640
243c995f
WD
1641 case 'x':
1642 one_file_system++;
1643 break;
1644
aa4d3b4c
WD
1645 case 'F':
1646 switch (++F_option_cnt) {
1647 case 1:
c8fa85b2 1648 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
aa4d3b4c
WD
1649 break;
1650 case 2:
c8fa85b2 1651 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
aa4d3b4c
WD
1652 break;
1653 }
1654 break;
1655
d9fcc198 1656 case 'P':
3671987f
WD
1657 if (refused_partial || refused_progress) {
1658 create_refuse_error(refused_partial
1659 ? refused_partial : refused_progress);
1660 return 0;
1661 }
d9fcc198
AT
1662 do_progress = 1;
1663 keep_partial = 1;
1664 break;
1665
854a1aad 1666 case 'z':
22a3ac0b 1667 do_compression++;
854a1aad
WD
1668 break;
1669
7a2eca41
WD
1670 case 'M':
1671 arg = poptGetOptArg(pc);
1672 if (*arg != '-') {
1673 snprintf(err_buf, sizeof err_buf,
1674 "Remote option must start with a dash: %s\n", arg);
1675 return 0;
1676 }
1677 if (remote_option_cnt+2 >= remote_option_alloc) {
1678 remote_option_alloc += 16;
1679 remote_options = realloc_array(remote_options,
1680 const char *, remote_option_alloc);
1681 if (!remote_options)
1682 out_of_memory("parse_arguments");
1683 if (!remote_option_cnt)
1684 remote_options[0] = "ARG0";
1685 }
1686 remote_options[++remote_option_cnt] = arg;
1687 remote_options[remote_option_cnt+1] = NULL;
1688 break;
1689
088aac85 1690 case OPT_WRITE_BATCH:
9b3318b0 1691 /* batch_name is already set */
088aac85
DD
1692 write_batch = 1;
1693 break;
1694
11e758a4
WD
1695 case OPT_ONLY_WRITE_BATCH:
1696 /* batch_name is already set */
1697 write_batch = -1;
1698 break;
1699
76f79ba7 1700 case OPT_READ_BATCH:
9b3318b0 1701 /* batch_name is already set */
6902ed17
MP
1702 read_batch = 1;
1703 break;
ea5164d1 1704
0b52f94d 1705 case OPT_NO_ICONV:
15dbffc2 1706#ifdef ICONV_OPTION
0b52f94d 1707 iconv_opt = NULL;
15dbffc2 1708#endif
0b52f94d
WD
1709 break;
1710
7d5acf1d 1711 case OPT_MAX_SIZE:
9510fa9a 1712 if ((max_size = parse_size_arg(&max_size_arg, 'b')) < 0) {
e012f858 1713 snprintf(err_buf, sizeof err_buf,
7d5acf1d
WD
1714 "--max-size value is invalid: %s\n",
1715 max_size_arg);
e012f858 1716 return 0;
7d5acf1d
WD
1717 }
1718 break;
1719
74de13d1 1720 case OPT_MIN_SIZE:
9510fa9a 1721 if ((min_size = parse_size_arg(&min_size_arg, 'b')) < 0) {
74de13d1
WD
1722 snprintf(err_buf, sizeof err_buf,
1723 "--min-size value is invalid: %s\n",
1724 min_size_arg);
1725 return 0;
1726 }
1727 break;
1728
ce795fcd
WD
1729 case OPT_BWLIMIT:
1730 {
1731 OFF_T limit = parse_size_arg(&bwlimit_arg, 'K');
1732 if (limit < 0) {
1733 snprintf(err_buf, sizeof err_buf,
1734 "--bwlimit value is invalid: %s\n", bwlimit_arg);
1735 return 0;
1736 }
1737 bwlimit = (limit + 512) / 1024;
1738 if (limit && !bwlimit) {
1739 snprintf(err_buf, sizeof err_buf,
1740 "--bwlimit value is too small: %s\n", bwlimit_arg);
1741 return 0;
1742 }
1743 }
1744 break;
1745
936fa865
WD
1746 case OPT_APPEND:
1747 if (am_server)
1748 append_mode++;
1749 else
1750 append_mode = 1;
1751 break;
1752
59c95e42 1753 case OPT_LINK_DEST:
fcecb70b 1754#ifdef SUPPORT_HARD_LINKS
59c95e42 1755 link_dest = 1;
e012f858
WD
1756 dest_option = "--link-dest";
1757 goto set_dest_dir;
59c95e42 1758#else
d175d7e1 1759 snprintf(err_buf, sizeof err_buf,
dfa32483 1760 "hard links are not supported on this %s\n",
59c95e42 1761 am_server ? "server" : "client");
59c95e42
DD
1762 return 0;
1763#endif
1764
1de3e99b
WD
1765 case OPT_COPY_DEST:
1766 copy_dest = 1;
1767 dest_option = "--copy-dest";
1768 goto set_dest_dir;
1769
e012f858
WD
1770 case OPT_COMPARE_DEST:
1771 compare_dest = 1;
1772 dest_option = "--compare-dest";
1773 set_dest_dir:
3b26bba0 1774 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD
1775 snprintf(err_buf, sizeof err_buf,
1776 "ERROR: at most %d %s args may be specified\n",
1777 MAX_BASIS_DIRS, dest_option);
1778 return 0;
1779 }
ad77db8b
WD
1780 /* We defer sanitizing this arg until we know what
1781 * our destination directory is going to be. */
1782 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD
1783 break;
1784
e16adcdf
WD
1785 case OPT_CHMOD:
1786 arg = poptGetOptArg(pc);
bbe42182 1787 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf
WD
1788 snprintf(err_buf, sizeof err_buf,
1789 "Invalid argument passed to --chmod (%s)\n",
1790 arg);
1791 return 0;
1792 }
1793 break;
1794
951e826b
WD
1795 case OPT_INFO:
1796 arg = poptGetOptArg(pc);
1797 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1798 break;
1799
1800 case OPT_DEBUG:
1801 arg = poptGetOptArg(pc);
1802 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1803 break;
1804
2df20057
WD
1805 case OPT_USERMAP:
1806 if (usermap) {
1807 if (usermap_via_chown) {
1808 snprintf(err_buf, sizeof err_buf,
1809 "--usermap conflicts with prior --chown.\n");
1810 return 0;
1811 }
1812 snprintf(err_buf, sizeof err_buf,
1813 "You can only specify --usermap once.\n");
1814 return 0;
1815 }
1816 usermap = (char *)poptGetOptArg(pc);
1817 usermap_via_chown = False;
1818 break;
1819
1820 case OPT_GROUPMAP:
1821 if (groupmap) {
1822 if (groupmap_via_chown) {
1823 snprintf(err_buf, sizeof err_buf,
1824 "--groupmap conflicts with prior --chown.\n");
1825 return 0;
1826 }
1827 snprintf(err_buf, sizeof err_buf,
1828 "You can only specify --groupmap once.\n");
1829 return 0;
1830 }
1831 groupmap = (char *)poptGetOptArg(pc);
1832 groupmap_via_chown = False;
1833 break;
1834
1835 case OPT_CHOWN: {
1836 const char *chown = poptGetOptArg(pc);
1837 int len;
1838 if ((arg = strchr(chown, ':')) != NULL)
1839 len = arg++ - chown;
1840 else
1841 len = strlen(chown);
1842 if (len) {
1843 if (usermap) {
1844 if (!usermap_via_chown) {
1845 snprintf(err_buf, sizeof err_buf,
1846 "--chown conflicts with prior --usermap.\n");
1847 return 0;
1848 }
1849 snprintf(err_buf, sizeof err_buf,
1850 "You can only specify a user-affecting --chown once.\n");
1851 return 0;
1852 }
1853 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1854 out_of_memory("parse_arguments");
1855 usermap_via_chown = True;
1856 }
1857 if (arg && *arg) {
1858 if (groupmap) {
1859 if (!groupmap_via_chown) {
1860 snprintf(err_buf, sizeof err_buf,
1861 "--chown conflicts with prior --groupmap.\n");
1862 return 0;
1863 }
1864 snprintf(err_buf, sizeof err_buf,
1865 "You can only specify a group-affecting --chown once.\n");
1866 return 0;
1867 }
1868 if (asprintf(&groupmap, "*:%s", arg) < 0)
1869 out_of_memory("parse_arguments");
1870 groupmap_via_chown = True;
1871 }
1872 break;
1873 }
1874
f5a910dd
WD
1875 case OPT_HELP:
1876 usage(FINFO);
1877 exit_cleanup(0);
1878
1c3344a1
WD
1879 case 'A':
1880#ifdef SUPPORT_ACLS
1881 preserve_acls = 1;
1882 preserve_perms = 1;
1883 break;
1884#else
1885 /* FIXME: this should probably be ignored with a
eb8f5c74
WD
1886 * warning and then countermeasures taken to
1887 * restrict group and other access in the presence
1888 * of any more restrictive ACLs, but this is safe
1c3344a1
WD
1889 * for now */
1890 snprintf(err_buf,sizeof(err_buf),
8475e0e4 1891 "ACLs are not supported on this %s\n",
1c3344a1
WD
1892 am_server ? "server" : "client");
1893 return 0;
1894#endif
1895
16edf865
WD
1896 case 'X':
1897#ifdef SUPPORT_XATTRS
524eaa82 1898 preserve_xattrs++;
16edf865
WD
1899 break;
1900#else
1901 snprintf(err_buf,sizeof(err_buf),
1902 "extended attributes are not supported on this %s\n",
1903 am_server ? "server" : "client");
1904 return 0;
1905#endif
1c3344a1 1906
d853783f 1907 default:
55afbb52 1908 /* A large opt value means that set_refuse_options()
3671987f 1909 * turned this option off. */
c67d1386 1910 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD
1911 create_refuse_error(opt);
1912 return 0;
27ed20f7 1913 }
3671987f
WD
1914 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1915 am_server ? "on remote machine: " : "",
1916 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1917 poptStrerror(opt));
dfa32483 1918 return 0;
d853783f 1919 }
7a6421fa 1920 }
2855f61f 1921
4c4a2962 1922 if (protect_args < 0) {
2b2a4738
WD
1923 if (am_server)
1924 protect_args = 0;
1925 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1926 protect_args = atoi(arg) ? 1 : 0;
1927 else {
4c4a2962 1928#ifdef RSYNC_USE_PROTECTED_ARGS
4c4a2962 1929 protect_args = 1;
2b2a4738 1930#else
4c4a2962 1931 protect_args = 0;
2b2a4738
WD
1932#endif
1933 }
4c4a2962
WD
1934 }
1935
4f6c8c66 1936 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
a5a7d3a2
WD
1937 /* Call this early to verify the args and figure out if we need to force
1938 * --whole-file. Note that the parse function will get called again later,
1939 * just in case an "auto" choice needs to know the protocol_version. */
55bb4dab 1940 parse_checksum_choice(0);
a5a7d3a2
WD
1941 } else
1942 checksum_choice = NULL;
1943
adc2476f 1944 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1945 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD
1946 usage(FINFO);
1947 exit_cleanup(0);
1948 }
1949
22a3ac0b
WD
1950 if (do_compression || def_compress_level != NOT_SPECIFIED) {
1951 if (def_compress_level == NOT_SPECIFIED)
1952 def_compress_level = Z_DEFAULT_COMPRESSION;
1953 else if (def_compress_level < Z_DEFAULT_COMPRESSION || def_compress_level > Z_BEST_COMPRESSION) {
1954 snprintf(err_buf, sizeof err_buf, "--compress-level value is invalid: %d\n",
1955 def_compress_level);
1956 return 0;
1957 } else if (def_compress_level == Z_NO_COMPRESSION)
1958 do_compression = 0;
1959 else if (!do_compression)
1960 do_compression = 1;
1961 if (do_compression && refused_compress) {
1962 create_refuse_error(refused_compress);
1963 return 0;
1964 }
1965#ifdef EXTERNAL_ZLIB
1966 if (do_compression == 1) {
1967 snprintf(err_buf, sizeof err_buf,
1968 "This rsync lacks old-style --compress due to its external zlib. Try -zz.\n");
1969 if (am_server)
1970 return 0;
1971 fprintf(stderr, "%s" "Continuing without compression.\n\n", err_buf);
1972 do_compression = 0;
1973 }
1974#endif
1975 }
1976
6686b93a
WD
1977#ifdef HAVE_SETVBUF
1978 if (outbuf_mode && !am_server) {
1979 int mode = *(uchar *)outbuf_mode;
1980 if (islower(mode))
1981 mode = toupper(mode);
1982 fflush(stdout); /* Just in case... */
1983 switch (mode) {
1984 case 'N': /* None */
1985 case 'U': /* Unbuffered */
1986 mode = _IONBF;
1987 break;
1988 case 'L': /* Line */
1989 mode = _IOLBF;
1990 break;
1991 case 'B': /* Block */
1992 case 'F': /* Full */
1993 mode = _IOFBF;
1994 break;
1995 default:
1996 snprintf(err_buf, sizeof err_buf,
1997 "Invalid --outbuf setting -- specify N, L, or B.\n");
1998 return 0;
1999 }
2000 setvbuf(stdout, (char *)NULL, mode, 0);
2001 }
0dfd2a64
WD
2002
2003 if (msgs2stderr) {
2004 /* Make stderr line buffered for better sharing of the stream. */
2005 fflush(stderr); /* Just in case... */
2006 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2007 }
6686b93a
WD
2008#endif
2009
951e826b
WD
2010 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2011
abd32c95 2012 if (do_stats) {
951e826b
WD
2013 parse_output_words(info_words, info_levels,
2014 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2015 }
2016
332cf6df 2017#ifdef ICONV_OPTION
a4453606 2018 if (iconv_opt && protect_args != 2) {
332cf6df
WD
2019 if (!am_server && strcmp(iconv_opt, "-") == 0)
2020 iconv_opt = NULL;
2021 else
2022 need_unsorted_flist = 1;
2023 }
0b52f94d
WD
2024 if (refused_no_iconv && !iconv_opt) {
2025 create_refuse_error(refused_no_iconv);
2026 return 0;
2027 }
332cf6df
WD
2028#endif
2029
48b51d00
WD
2030 if (fuzzy_basis > 1)
2031 fuzzy_basis = basis_dir_cnt + 1;
2032
77063038
JO
2033 /* Don't let the client reset protect_args if it was already processed */
2034 if (orig_protect_args == 2 && am_server)
2035 protect_args = orig_protect_args;
2036
53936ef9
WD
2037 if (protect_args == 1 && am_server)
2038 return 1;
a4453606 2039
73cb6738
WD
2040 *argv_p = argv = poptGetArgs(pc);
2041 *argc_p = argc = count_args(argv);
2042
4f5b0756 2043#ifndef SUPPORT_LINKS
54e87b4b 2044 if (preserve_links && !am_sender) {
e1add893
WD
2045 snprintf(err_buf, sizeof err_buf,
2046 "symlinks are not supported on this %s\n",
2047 am_server ? "server" : "client");
e1add893
WD
2048 return 0;
2049 }
2050#endif
2051
4f5b0756 2052#ifndef SUPPORT_HARD_LINKS
e1add893
WD
2053 if (preserve_hard_links) {
2054 snprintf(err_buf, sizeof err_buf,
2055 "hard links are not supported on this %s\n",
2056 am_server ? "server" : "client");
e1add893
WD
2057 return 0;
2058 }
2059#endif
2060
cbbd8e2e
WD
2061#ifdef SUPPORT_XATTRS
2062 if (am_root < 0 && preserve_xattrs > 1) {
2063 snprintf(err_buf, sizeof err_buf,
2064 "--fake-super conflicts with -XX\n");
2065 return 0;
2066 }
2067#else
9439c0cb
WD
2068 if (am_root < 0) {
2069 snprintf(err_buf, sizeof err_buf,
2070 "--fake-super requires an rsync with extended attributes enabled\n");
2071 return 0;
2072 }
2073#endif
2074
826ddc54
WD
2075 if (block_size) {
2076 /* We may not know the real protocol_version at this point if this is the client
2077 * option parsing, but we still want to check it so that the client can specify
2078 * a --protocol=29 option with a larger block size. */
2079 int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
2080
2081 if (block_size > max_blength) {
2082 snprintf(err_buf, sizeof err_buf,
2083 "--block-size=%lu is too large (max: %u)\n", block_size, max_blength);
2084 return 0;
2085 }
d74512eb
WD
2086 }
2087
088aac85 2088 if (write_batch && read_batch) {
c3ea0990 2089 snprintf(err_buf, sizeof err_buf,
36119893 2090 "--write-batch and --read-batch can not be used together\n");
c3ea0990 2091 return 0;
088aac85 2092 }
11e758a4 2093 if (write_batch > 0 || read_batch) {
94327ff0
WD
2094 if (am_server) {
2095 rprintf(FINFO,
2096 "ignoring --%s-batch option sent to server\n",
2097 write_batch ? "write" : "read");
2098 /* We don't actually exit_cleanup(), so that we can
2099 * still service older version clients that still send
2100 * batch args to server. */
2101 read_batch = write_batch = 0;
2102 batch_name = NULL;
254ee3ba
WD
2103 } else if (dry_run)
2104 write_batch = 0;
69e2b4ee
WD
2105 } else if (write_batch < 0 && dry_run)
2106 write_batch = 0;
36119893 2107 if (read_batch && files_from) {
c3ea0990 2108 snprintf(err_buf, sizeof err_buf,
36119893 2109 "--read-batch cannot be used with --files-from\n");
c3ea0990 2110 return 0;
36119893 2111 }
9eaba726
WD
2112 if (read_batch && remove_source_files) {
2113 snprintf(err_buf, sizeof err_buf,
2114 "--read-batch cannot be used with --remove-%s-files\n",
2115 remove_source_files == 1 ? "source" : "sent");
2116 return 0;
2117 }
9b3318b0 2118 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 2119 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD
2120 "the batch-file name must be %d characters or less.\n",
2121 MAX_BATCH_NAME_LEN);
c3ea0990 2122 return 0;
beb93684 2123 }
088aac85 2124
ce58b1b4 2125 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD
2126 snprintf(err_buf, sizeof err_buf,
2127 "the --temp-dir path is WAY too long.\n");
2128 return 0;
ce58b1b4
WD
2129 }
2130
7b9598b2
WD
2131 if (max_delete < 0 && max_delete != INT_MIN) {
2132 /* Negative numbers are treated as "no deletions". */
2133 max_delete = 0;
2134 }
2135
1de3e99b 2136 if (compare_dest + copy_dest + link_dest > 1) {
e012f858 2137 snprintf(err_buf, sizeof err_buf,
1de3e99b 2138 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
e012f858
WD
2139 return 0;
2140 }
2141
b6164938
WD
2142 if (files_from) {
2143 if (recurse == 1) /* preserve recurse == 2 */
2144 recurse = 0;
550d4e23 2145 if (xfer_dirs < 0)
b6164938 2146 xfer_dirs = 1;
dfa32483 2147 }
51d48398 2148
20893751 2149 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD
2150 list_only |= 1;
2151
2152 if (xfer_dirs >= 4) {
c8fa85b2 2153 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
73cb6738
WD
2154 recurse = xfer_dirs = 1;
2155 } else if (recurse)
2156 xfer_dirs = 1;
2157 else if (xfer_dirs < 0)
2158 xfer_dirs = list_only ? 1 : 0;
dfa32483 2159
ea5164d1
WD
2160 if (relative_paths < 0)
2161 relative_paths = files_from? 1 : 0;
89f2a4c2
WD
2162 if (!relative_paths)
2163 implied_dirs = 0;
ea5164d1 2164
e0e32031 2165 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 2166 snprintf(err_buf, sizeof err_buf,
c6eb7fad 2167 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD
2168 return 0;
2169 }
f5a910dd 2170 if (delete_before || delete_during || delete_after)
51d48398 2171 delete_mode = 1;
3296f91b 2172 else if (delete_mode || delete_excluded) {
e0e32031 2173 /* Only choose now between before & during if one is refused. */
3296f91b 2174 if (refused_delete_before) {
e0e32031
WD
2175 if (!refused_delete_during)
2176 delete_during = 1;
2177 else {
2178 create_refuse_error(refused_delete_before);
2179 return 0;
2180 }
2181 } else if (refused_delete_during)
2182 delete_before = 1;
2183 delete_mode = 1;
3296f91b 2184 }
89fb5026
WD
2185 if (!xfer_dirs && delete_mode) {
2186 snprintf(err_buf, sizeof err_buf,
44d7d045 2187 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
89fb5026 2188 return 0;
f5a910dd 2189 }
51d48398 2190
42d8ec61
WD
2191 if (missing_args == 3) /* simplify if both options were specified */
2192 missing_args = 2;
2193 if (refused_delete && (delete_mode || missing_args == 2)) {
3671987f
WD
2194 create_refuse_error(refused_delete);
2195 return 0;
2196 }
2197
47c11975
WD
2198 if (remove_source_files) {
2199 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD
2200 * via the refusal of "delete", not any of the "delete-FOO"
2201 * options. */
2202 if (refused_delete && am_sender) {
2203 create_refuse_error(refused_delete);
2204 return 0;
2205 }
2206 need_messages_from_generator = 1;
2207 }
2208
41adbcec
WD
2209 if (munge_symlinks && !am_daemon) {
2210 STRUCT_STAT st;
2211 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2212 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2213 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2214 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2215 prefix);
2216 exit_cleanup(RERR_UNSUPPORTED);
2217 }
2218 }
2219
7be73df4
WD
2220 if (sanitize_paths) {
2221 int i;
ffbffc64 2222 for (i = argc; i-- > 0; )
d48810ba 2223 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 2224 if (tmpdir)
d48810ba 2225 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 2226 if (backup_dir)
d48810ba 2227 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 2228 }
819bfe45 2229 if (daemon_filter_list.head && !am_sender) {
7b6c5c77 2230 filter_rule_list *elp = &daemon_filter_list;
c3ea0990 2231 if (tmpdir) {
a1018691 2232 char *dir;
3671987f
WD
2233 if (!*tmpdir)
2234 goto options_rejected;
a1018691
WD
2235 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2236 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2237 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD
2238 goto options_rejected;
2239 }
c3ea0990 2240 if (backup_dir) {
a1018691 2241 char *dir;
3671987f
WD
2242 if (!*backup_dir)
2243 goto options_rejected;
a1018691
WD
2244 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2245 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2246 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 2247 goto options_rejected;
c3ea0990
WD
2248 }
2249 }
7be73df4 2250
d175d7e1 2251 if (!backup_suffix)
e0391f81 2252 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 2253 backup_suffix_len = strlen(backup_suffix);
80ddadb7 2254 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD
2255 snprintf(err_buf, sizeof err_buf,
2256 "--suffix cannot contain slashes: %s\n",
80ddadb7 2257 backup_suffix);
c3ea0990 2258 return 0;
80ddadb7 2259 }
e0391f81 2260 if (backup_dir) {
14ebc5b6 2261 size_t len;
3696674b
WD
2262 while (*backup_dir == '.' && backup_dir[1] == '/')
2263 backup_dir += 2;
2264 if (*backup_dir == '.' && backup_dir[1] == '\0')
2265 backup_dir++;
14ebc5b6
WD
2266 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2267 if (len > sizeof backup_dir_buf - 128) {
c3ea0990
WD
2268 snprintf(err_buf, sizeof err_buf,
2269 "the --backup-dir path is WAY too long.\n");
2270 return 0;
e0391f81 2271 }
14ebc5b6 2272 backup_dir_len = (int)len;
4e9c7fae
WD
2273 if (!backup_dir_len) {
2274 backup_dir_len = -1;
2275 backup_dir = NULL;
2276 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
e0391f81
WD
2277 backup_dir_buf[backup_dir_len++] = '/';
2278 backup_dir_buf[backup_dir_len] = '\0';
2279 }
14ebc5b6 2280 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
4e9c7fae
WD
2281 }
2282 if (backup_dir) {
2283 /* No need for a suffix or a protect rule. */
8dcf9335 2284 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2285 snprintf(err_buf, sizeof err_buf,
4e9c7fae
WD
2286 "--suffix cannot be empty %s\n", backup_dir_len < 0
2287 ? "when --backup-dir is the same as the dest dir"
2288 : "without a --backup-dir");
c3ea0990 2289 return 0;
eb8f5c74
WD
2290 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2291 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2292 "P *%s", backup_suffix);
c8fa85b2 2293 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
d175d7e1 2294 }
fbd91cae 2295
2624e005
WD
2296 if (preserve_times) {
2297 preserve_times = PRESERVE_FILE_TIMES;
2298 if (!omit_dir_times)
2299 preserve_times |= PRESERVE_DIR_TIMES;
2300#ifdef CAN_SET_SYMLINK_TIMES
2301 if (!omit_link_times)
2302 preserve_times |= PRESERVE_LINK_TIMES;
2303#endif
2304 }
2305
fbd91cae
WD
2306 if (make_backups && !backup_dir) {
2307 omit_dir_times = 0; /* Implied, so avoid -O to sender. */
2624e005 2308 preserve_times &= ~PRESERVE_DIR_TIMES;
fbd91cae 2309 }
d175d7e1 2310
b3e4e7ef
WD
2311 if (stdout_format) {
2312 if (am_server && log_format_has(stdout_format, 'I'))
2313 stdout_format_has_i = 2;
2314 else if (log_format_has(stdout_format, 'i'))
2315 stdout_format_has_i = itemize_changes | 1;
2316 if (!log_format_has(stdout_format, 'b')
886df221
WD
2317 && !log_format_has(stdout_format, 'c')
2318 && !log_format_has(stdout_format, 'C'))
e7651884
WD
2319 log_before_transfer = !am_server;
2320 } else if (itemize_changes) {
b3e4e7ef
WD
2321 stdout_format = "%i %n%L";
2322 stdout_format_has_i = itemize_changes;
e7651884
WD
2323 log_before_transfer = !am_server;
2324 }
87383697 2325
951e826b
WD
2326 if (do_progress && !am_server) {
2327 if (!log_before_transfer && INFO_EQ(NAME, 0))
2328 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2329 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 2330 }
87383697 2331
11e758a4
WD
2332 if (dry_run)
2333 do_xfers = 0;
2334
9ac756c6
WD
2335 set_io_timeout(io_timeout);
2336
951e826b 2337 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2338 stdout_format = "%n%L";
87383697 2339 log_before_transfer = !am_server;
3671987f 2340 }
b3e4e7ef
WD
2341 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2342 stdout_format_has_o_or_i = 1;
e2559dbe 2343
232658d9 2344 if (logfile_name && !am_daemon) {
b3e4e7ef 2345 if (!logfile_format) {
232658d9 2346 logfile_format = "%i %n%L";
87c0f9d6 2347 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD
2348 } else {
2349 if (log_format_has(logfile_format, 'i'))
19b85876 2350 logfile_format_has_i = 1;
b3e4e7ef
WD
2351 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2352 logfile_format_has_o_or_i = 1;
87c0f9d6 2353 }
6dc9b74b 2354 log_init(0);
2873603a
WD
2355 } else if (!am_daemon)
2356 logfile_format = NULL;
87c0f9d6 2357
9fb08441
WD
2358 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2359 bwlimit = daemon_bwlimit;
3c74c3a3
WD
2360 if (bwlimit) {
2361 bwlimit_writemax = (size_t)bwlimit * 128;
2362 if (bwlimit_writemax < 512)
2363 bwlimit_writemax = 512;
2364 }
2365
a015788d
WD
2366 if (append_mode) {
2367 if (whole_file > 0) {
2368 snprintf(err_buf, sizeof err_buf,
2369 "--append cannot be used with --whole-file\n");
2370 return 0;
2371 }
2372 if (refused_inplace) {
2373 create_refuse_error(refused_inplace);
2374 return 0;
2375 }
2376 inplace = 1;
2377 }
2378
9e9d33a2
WD
2379 if (write_devices) {
2380 if (refused_inplace) {
2381 create_refuse_error(refused_inplace);
2382 return 0;
2383 }
2384 inplace = 1;
2385 }
2386
f06e7082 2387 if (delay_updates && !partial_dir)
77860bac 2388 partial_dir = tmp_partialdir;
f06e7082 2389
a3221d2a 2390 if (inplace) {
4f5b0756 2391#ifdef HAVE_FTRUNCATE
a7260c40
WD
2392 if (partial_dir) {
2393 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2394 "--%s cannot be used with --%s\n",
2395 append_mode ? "append" : "inplace",
f06e7082 2396 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD
2397 return 0;
2398 }
3671987f
WD
2399 /* --inplace implies --partial for refusal purposes, but we
2400 * clear the keep_partial flag for internal logic purposes. */
2401 if (refused_partial) {
2402 create_refuse_error(refused_partial);
2403 return 0;
2404 }
a3221d2a 2405 keep_partial = 0;
ded4daf0
WD
2406#else
2407 snprintf(err_buf, sizeof err_buf,
a015788d
WD
2408 "--%s is not supported on this %s\n",
2409 append_mode ? "append" : "inplace",
ded4daf0
WD
2410 am_server ? "server" : "client");
2411 return 0;
2412#endif
075aa18f 2413 } else {
bc880cb8 2414 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD
2415 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2416 partial_dir = strdup(arg);
2417 }
075aa18f 2418 if (partial_dir) {
3671987f 2419 if (*partial_dir)
b58bfb2f 2420 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD
2421 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2422 partial_dir = NULL;
3671987f
WD
2423 if (!partial_dir && refused_partial) {
2424 create_refuse_error(refused_partial);
2425 return 0;
2426 }
075aa18f
WD
2427 keep_partial = 1;
2428 }
a3221d2a
WD
2429 }
2430
ea5164d1 2431 if (files_from) {
305666bf
WD
2432 char *h, *p;
2433 int q;
da7acc5e 2434 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
ea5164d1
WD
2435 usage(FERROR);
2436 exit_cleanup(RERR_SYNTAX);
2437 }
63596e1c 2438 if (strcmp(files_from, "-") == 0) {
ea5164d1 2439 filesfrom_fd = 0;
63596e1c 2440 if (am_server)
305666bf
WD
2441 filesfrom_host = ""; /* reading from socket */
2442 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2443 if (am_server) {
305666bf
WD
2444 snprintf(err_buf, sizeof err_buf,
2445 "The --files-from sent to the server cannot specify a host.\n");
2446 return 0;
ea5164d1 2447 }
305666bf
WD
2448 files_from = p;
2449 filesfrom_host = h;
2450 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD
2451 snprintf(err_buf, sizeof err_buf,
2452 "Invalid --files-from remote filename\n");
2453 return 0;
ea5164d1
WD
2454 }
2455 } else {
305666bf 2456 if (sanitize_paths)
d48810ba 2457 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2458 if (daemon_filter_list.head) {
a1018691 2459 char *dir;
305666bf
WD
2460 if (!*files_from)
2461 goto options_rejected;
a1018691
WD
2462 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2463 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2464 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD
2465 goto options_rejected;
2466 }
ea5164d1
WD
2467 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2468 if (filesfrom_fd < 0) {
c3ea0990
WD
2469 snprintf(err_buf, sizeof err_buf,
2470 "failed to open files-from file %s: %s\n",
2471 files_from, strerror(errno));
2472 return 0;
ea5164d1
WD
2473 }
2474 }
2475 }
2476
7f2a1f65
WD
2477 am_starting_up = 0;
2478
b11ed3b1 2479 return 1;
f0fa8c6d
WD
2480
2481 options_rejected:
2482 snprintf(err_buf, sizeof err_buf,
2483 "Your options have been rejected by the server.\n");
2484 return 0;
7a6421fa
AT
2485}
2486
2487
dafe63ca
MP
2488/**
2489 * Construct a filtered list of options to pass through from the
2490 * client to the server.
2491 *
2492 * This involves setting options that will tell the server how to
2493 * behave, and also filtering out options that are processed only
2494 * locally.
2495 **/
ffbffc64 2496void server_options(char **args, int *argc_p)
7a6421fa 2497{
74ba98a5 2498 static char argstr[64];
ffbffc64 2499 int ac = *argc_p;
d239efa3 2500 uchar where;
f98c60bf 2501 char *arg;
d853783f
AT
2502 int i, x;
2503
def97ff9 2504 /* This should always remain first on the server's command-line. */
d853783f
AT
2505 args[ac++] = "--server";
2506
e208631a 2507 if (daemon_over_rsh > 0) {
1312d9fc 2508 args[ac++] = "--daemon";
ffbffc64 2509 *argc_p = ac;
1312d9fc
WD
2510 /* if we're passing --daemon, we're done */
2511 return;
2512 }
2513
d853783f
AT
2514 if (!am_sender)
2515 args[ac++] = "--sender";
2516
2517 x = 1;
2518 argstr[0] = '-';
a4453606
WD
2519
2520 if (protect_args)
2521 argstr[x++] = 's';
2522
f98c60bf 2523 for (i = 0; i < verbose; i++)
d853783f 2524 argstr[x++] = 'v';
f0b36a48 2525
b86f0cef 2526 /* the -q option is intentionally left out */
d853783f
AT
2527 if (make_backups)
2528 argstr[x++] = 'b';
2529 if (update_only)
2530 argstr[x++] = 'u';
2dbf36ef 2531 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT
2532 argstr[x++] = 'n';
2533 if (preserve_links)
2534 argstr[x++] = 'l';
73cb6738
WD
2535 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2536 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2537 argstr[x++] = 'd';
35bf8fa0
WD
2538 if (am_sender) {
2539 if (keep_dirlinks)
2540 argstr[x++] = 'K';
876c9936
WD
2541 if (prune_empty_dirs)
2542 argstr[x++] = 'm';
f9998046 2543 if (omit_dir_times)
35bf8fa0 2544 argstr[x++] = 'O';
2624e005
WD
2545 if (omit_link_times)
2546 argstr[x++] = 'J';
48b51d00
WD
2547 if (fuzzy_basis) {
2548 argstr[x++] = 'y';
2549 if (fuzzy_basis > 1)
2550 argstr[x++] = 'y';
2551 }
2dbf36ef
WD
2552 } else {
2553 if (copy_links)
2554 argstr[x++] = 'L';
2555 if (copy_dirlinks)
2556 argstr[x++] = 'k';
35bf8fa0 2557 }
1bfbf40b 2558
dfa32483 2559 if (whole_file > 0)
d853783f 2560 argstr[x++] = 'W';
bceec82f
MP
2561 /* We don't need to send --no-whole-file, because it's the
2562 * default for remote transfers, and in any case old versions
2563 * of rsync will not understand it. */
dfa32483 2564
e0e32031 2565 if (preserve_hard_links) {
d853783f 2566 argstr[x++] = 'H';
e0e32031
WD
2567 if (preserve_hard_links > 1)
2568 argstr[x++] = 'H';
2569 }
d853783f
AT
2570 if (preserve_uid)
2571 argstr[x++] = 'o';
2572 if (preserve_gid)
2573 argstr[x++] = 'g';
b5c6a6ae 2574 if (preserve_devices) /* ignore preserve_specials here */
d853783f
AT
2575 argstr[x++] = 'D';
2576 if (preserve_times)
2577 argstr[x++] = 't';
b9367410
WD
2578 if (preserve_atimes) {
2579 argstr[x++] = 'U';
2580 if (preserve_atimes > 1)
2581 argstr[x++] = 'U';
2582 }
d853783f
AT
2583 if (preserve_perms)
2584 argstr[x++] = 'p';
344f9ba7
WD
2585 else if (preserve_executability && am_sender)
2586 argstr[x++] = 'E';
1c3344a1
WD
2587#ifdef SUPPORT_ACLS
2588 if (preserve_acls)
2589 argstr[x++] = 'A';
16edf865
WD
2590#endif
2591#ifdef SUPPORT_XATTRS
524eaa82 2592 if (preserve_xattrs) {
16edf865 2593 argstr[x++] = 'X';
524eaa82
WD
2594 if (preserve_xattrs > 1)
2595 argstr[x++] = 'X';
2596 }
1c3344a1 2597#endif
aa7a6e87 2598 if (recurse)
d853783f
AT
2599 argstr[x++] = 'r';
2600 if (always_checksum)
2601 argstr[x++] = 'c';
2602 if (cvs_exclude)
2603 argstr[x++] = 'C';
2604 if (ignore_times)
2605 argstr[x++] = 'I';
2606 if (relative_paths)
2607 argstr[x++] = 'R';
243c995f 2608 if (one_file_system) {
d853783f 2609 argstr[x++] = 'x';
243c995f
WD
2610 if (one_file_system > 1)
2611 argstr[x++] = 'x';
2612 }
d853783f
AT
2613 if (sparse_files)
2614 argstr[x++] = 'S';
22a3ac0b 2615 if (do_compression == 1)
d853783f 2616 argstr[x++] = 'z';
f0b36a48 2617
29703623
WD
2618 set_allow_inc_recurse();
2619
f643330e
WD
2620 /* We don't really know the actual protocol_version at this point,
2621 * but checking the pre-negotiated value allows the user to use a
2622 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
29703623 2623 if (protocol_version >= 30) {
aca7dd3b
WD
2624 /* Use "eFlags" alias so that cull_options doesn't think that these are no-arg option letters. */
2625#define eFlags argstr
29703623
WD
2626 /* We make use of the -e option to let the server know about
2627 * any pre-release protocol version && some behavior flags. */
aca7dd3b 2628 eFlags[x++] = 'e';
2ed790f3 2629#if SUBPROTOCOL_VERSION != 0
29703623
WD
2630 if (protocol_version == PROTOCOL_VERSION) {
2631 x += snprintf(argstr+x, sizeof argstr - x,
2632 "%d.%d",
2633 PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2634 } else
2ed790f3 2635#endif
aca7dd3b 2636 eFlags[x++] = '.';
29703623 2637 if (allow_inc_recurse)
aca7dd3b 2638 eFlags[x++] = 'i';
accc091f 2639#ifdef CAN_SET_SYMLINK_TIMES
aca7dd3b 2640 eFlags[x++] = 'L'; /* symlink time-setting support */
91fd15b8
WD
2641#endif
2642#ifdef ICONV_OPTION
aca7dd3b 2643 eFlags[x++] = 's'; /* symlink iconv translation support */
1ed56a05 2644#endif
aca7dd3b
WD
2645 eFlags[x++] = 'f'; /* flist I/O-error safety support */
2646 eFlags[x++] = 'x'; /* xattr hardlink optimization not desired */
eac85808 2647 eFlags[x++] = 'C'; /* support checksum seed order fix */
3a7bf54a 2648 eFlags[x++] = 'I'; /* support inplace_partial behavior */
4f6c8c66
WD
2649 eFlags[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2650 /* NOTE: Avoid using 'V' -- it was the high bit of a write_byte() that became write_varint(). */
aca7dd3b 2651#undef eFlags
29703623
WD
2652 }
2653
951e826b 2654 if (x >= (int)sizeof argstr) { /* Not possible... */
7a2eca41
WD
2655 rprintf(FERROR, "argstr overflow in server_options().\n");
2656 exit_cleanup(RERR_MALLOC);
2657 }
2658
951e826b
WD
2659 argstr[x] = '\0';
2660
6d301fa3
WD
2661 if (x > 1)
2662 args[ac++] = argstr;
d853783f 2663
a4453606
WD
2664#ifdef ICONV_OPTION
2665 if (iconv_opt) {
2666 char *set = strchr(iconv_opt, ',');
2667 if (set)
2668 set++;
2669 else
2670 set = iconv_opt;
2671 if (asprintf(&arg, "--iconv=%s", set) < 0)
2672 goto oom;
2673 args[ac++] = arg;
2674 }
2675#endif
2676
53936ef9 2677 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD
2678 args[ac++] = NULL;
2679
51d48398
WD
2680 if (list_only > 1)
2681 args[ac++] = "--list-only";
2682
f5a910dd
WD
2683 /* This makes sure that the remote rsync can handle deleting with -d
2684 * sans -r because the --no-r option was added at the same time. */
2685 if (xfer_dirs && !recurse && delete_mode && am_sender)
2686 args[ac++] = "--no-r";
2687
854a1aad
WD
2688 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
2689 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
2690 goto oom;
2691 args[ac++] = arg;
2692 }
2693
b5c6a6ae
WD
2694 if (preserve_devices) {
2695 /* Note: sending "--devices" would not be backward-compatible. */
2696 if (!preserve_specials)
2697 args[ac++] = "--no-specials"; /* -D is already set. */
2698 } else if (preserve_specials)
2699 args[ac++] = "--specials";
2700
5c5e1598
WD
2701 /* The server side doesn't use our log-format, but in certain
2702 * circumstances they need to know a little about the option. */
b3e4e7ef
WD
2703 if (stdout_format && am_sender) {
2704 /* Use --log-format, not --out-format, for compatibility. */
2705 if (stdout_format_has_i > 1)
487094a0 2706 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2707 else if (stdout_format_has_i)
684d7582 2708 args[ac++] = "--log-format=%i";
b3e4e7ef 2709 else if (stdout_format_has_o_or_i)
5c5e1598
WD
2710 args[ac++] = "--log-format=%o";
2711 else if (!verbose)
2712 args[ac++] = "--log-format=X";
2713 }
1f30a674 2714
195bd906 2715 if (block_size) {
a06b419d 2716 if (asprintf(&arg, "-B%lu", block_size) < 0)
f98c60bf
WD
2717 goto oom;
2718 args[ac++] = arg;
dfa32483 2719 }
d853783f
AT
2720
2721 if (io_timeout) {
f98c60bf
WD
2722 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2723 goto oom;
2724 args[ac++] = arg;
dfa32483 2725 }
d853783f 2726
ef5d23eb 2727 if (bwlimit) {
f98c60bf
WD
2728 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2729 goto oom;
2730 args[ac++] = arg;
ef5d23eb
DD
2731 }
2732
d175d7e1
WD
2733 if (backup_dir) {
2734 args[ac++] = "--backup-dir";
2735 args[ac++] = backup_dir;
2736 }
2737
2738 /* Only send --suffix if it specifies a non-default value. */
f98c60bf 2739 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
191e40da 2740 /* We use the following syntax to avoid weirdness with '~'. */
f98c60bf
WD
2741 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
2742 goto oom;
2743 args[ac++] = arg;
d853783f
AT
2744 }
2745
a5a7d3a2
WD
2746 if (checksum_choice) {
2747 if (asprintf(&arg, "--checksum-choice=%s", checksum_choice) < 0)
2748 goto oom;
2749 args[ac++] = arg;
2750 }
2751
06a50542 2752 if (am_sender) {
7b9598b2
WD
2753 if (max_delete > 0) {
2754 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2755 goto oom;
2756 args[ac++] = arg;
2757 } else if (max_delete == 0)
d6ca255c 2758 args[ac++] = "--max-delete=-1";
9510fa9a 2759 if (min_size >= 0) {
7b9598b2
WD
2760 args[ac++] = "--min-size";
2761 args[ac++] = min_size_arg;
2762 }
9510fa9a 2763 if (max_size >= 0) {
7b9598b2
WD
2764 args[ac++] = "--max-size";
2765 args[ac++] = max_size_arg;
2766 }
e0e32031 2767 if (delete_before)
c6eb7fad 2768 args[ac++] = "--delete-before";
0d152437
WD
2769 else if (delete_during == 2)
2770 args[ac++] = "--delete-delay";
2771 else if (delete_during)
2772 args[ac++] = "--delete-during";
2773 else if (delete_after)
06a50542 2774 args[ac++] = "--delete-after";
e0e32031
WD
2775 else if (delete_mode && !delete_excluded)
2776 args[ac++] = "--delete";
2777 if (delete_excluded)
2778 args[ac++] = "--delete-excluded";
06a50542
WD
2779 if (force_delete)
2780 args[ac++] = "--force";
11e758a4
WD
2781 if (write_batch < 0)
2782 args[ac++] = "--only-write-batch=X";
def97ff9
WD
2783 if (am_root > 1)
2784 args[ac++] = "--super";
f17e769e
WD
2785 if (size_only)
2786 args[ac++] = "--size-only";
dc6fb11b
WD
2787 if (do_stats)
2788 args[ac++] = "--stats";
b1e436ec
WD
2789 } else {
2790 if (skip_compress) {
2791 if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
2792 goto oom;
2793 args[ac++] = arg;
2794 }
06a50542 2795 }
b33b791e 2796
42d8ec61
WD
2797 /* --delete-missing-args needs the cooperation of both sides, but
2798 * the sender can handle --ignore-missing-args by itself. */
2799 if (missing_args == 2)
ce66f417 2800 args[ac++] = "--delete-missing-args";
42d8ec61
WD
2801 else if (missing_args == 1 && !am_sender)
2802 args[ac++] = "--ignore-missing-args";
ce66f417 2803
839dbff2
WD
2804 if (modify_window_set && am_sender) {
2805 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2806 if (asprintf(&arg, fmt, modify_window) < 0)
f98c60bf
WD
2807 goto oom;
2808 args[ac++] = arg;
5b56cc19
AT
2809 }
2810
c8d895de 2811 if (checksum_seed) {
221ddb94 2812 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD
2813 goto oom;
2814 args[ac++] = arg;
2815 }
2816
a7260c40 2817 if (partial_dir && am_sender) {
77860bac 2818 if (partial_dir != tmp_partialdir) {
3671987f
WD
2819 args[ac++] = "--partial-dir";
2820 args[ac++] = partial_dir;
2821 }
f06e7082
WD
2822 if (delay_updates)
2823 args[ac++] = "--delay-updates";
77860bac 2824 } else if (keep_partial && am_sender)
d853783f
AT
2825 args[ac++] = "--partial";
2826
ef55c686
AT
2827 if (ignore_errors)
2828 args[ac++] = "--ignore-errors";
2829
b5313607
DD
2830 if (copy_unsafe_links)
2831 args[ac++] = "--copy-unsafe-links";
2832
d853783f
AT
2833 if (safe_symlinks)
2834 args[ac++] = "--safe-links";
2835
2836 if (numeric_ids)
2837 args[ac++] = "--numeric-ids";
2838
95def6d9
WD
2839 if (use_qsort)
2840 args[ac++] = "--use-qsort";
2841
4f3797c7 2842 if (am_sender) {
2df20057
WD
2843 if (usermap) {
2844 if (asprintf(&arg, "--usermap=%s", usermap) < 0)
2845 goto oom;
2846 args[ac++] = arg;
2847 }
2848
2849 if (groupmap) {
2850 if (asprintf(&arg, "--groupmap=%s", groupmap) < 0)
2851 goto oom;
2852 args[ac++] = arg;
2853 }
2854
4f3797c7
WD
2855 if (ignore_existing)
2856 args[ac++] = "--ignore-existing";
2857
2858 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2859 if (ignore_non_existing)
2860 args[ac++] = "--existing";
3d6feada 2861
4f3797c7
WD
2862 if (tmpdir) {
2863 args[ac++] = "--temp-dir";
2864 args[ac++] = tmpdir;
2865 }
2866
2867 if (basis_dir[0]) {
2868 /* the server only needs this option if it is not the sender,
2869 * and it may be an older version that doesn't know this
2870 * option, so don't send it if client is the sender.
2871 */
4f3797c7
WD
2872 for (i = 0; i < basis_dir_cnt; i++) {
2873 args[ac++] = dest_option;
2874 args[ac++] = basis_dir[i];
2875 }
2876 }
2877 }
e90aab49 2878
951e826b
WD
2879 /* What flags do we need to send to the other side? */
2880 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2881 arg = make_output_option(info_words, info_levels, where);
2882 if (arg)
2883 args[ac++] = arg;
2884
2885 arg = make_output_option(debug_words, debug_levels, where);
2886 if (arg)
2887 args[ac++] = arg;
2888
936fa865
WD
2889 if (append_mode) {
2890 if (append_mode > 1)
2891 args[ac++] = "--append";
a015788d 2892 args[ac++] = "--append";
936fa865 2893 } else if (inplace)
a3221d2a
WD
2894 args[ac++] = "--inplace";
2895
305666bf
WD
2896 if (files_from && (!am_sender || filesfrom_host)) {
2897 if (filesfrom_host) {
ea5164d1 2898 args[ac++] = "--files-from";
305666bf 2899 args[ac++] = files_from;
ea5164d1
WD
2900 if (eol_nulls)
2901 args[ac++] = "--from0";
2902 } else {
2903 args[ac++] = "--files-from=-";
2904 args[ac++] = "--from0";
2905 }
c0ab28d1
WD
2906 if (!relative_paths)
2907 args[ac++] = "--no-relative";
ea5164d1 2908 }
33a04593
WD
2909 /* It's OK that this checks the upper-bound of the protocol_version. */
2910 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2911 args[ac++] = "--no-implied-dirs";
ea5164d1 2912
7e70e484 2913 if (write_devices && am_sender)
9e9d33a2
WD
2914 args[ac++] = "--write-devices";
2915
47c11975
WD
2916 if (remove_source_files == 1)
2917 args[ac++] = "--remove-source-files";
2918 else if (remove_source_files)
07c6ae7d
WD
2919 args[ac++] = "--remove-sent-files";
2920
28b519c9
WD
2921 if (preallocate_files && am_sender)
2922 args[ac++] = "--preallocate";
2923
87257f86
WD
2924 if (open_noatime && preserve_atimes <= 1)
2925 args[ac++] = "--open-noatime";
b9367410 2926
7a2eca41
WD
2927 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2928 rprintf(FERROR, "argc overflow in server_options().\n");
2929 exit_cleanup(RERR_MALLOC);
2930 }
2931
22a3ac0b
WD
2932 if (do_compression > 1)
2933 args[ac++] = "--new-compress";
2934
7a2eca41
WD
2935 if (remote_option_cnt) {
2936 int j;
2937 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2938 rprintf(FERROR, "too many remote options specified.\n");
2939 exit_cleanup(RERR_SYNTAX);
2940 }
2941 for (j = 1; j <= remote_option_cnt; j++)
2942 args[ac++] = (char*)remote_options[j];
2943 }
2944
ffbffc64 2945 *argc_p = ac;
f98c60bf
WD
2946 return;
2947
2948 oom:
2949 out_of_memory("server_options");
7a6421fa
AT
2950}
2951
58cf3547
WD
2952/* If str points to a valid hostspec, return allocated memory containing the
2953 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2954 * the string after the host part. Otherwise, return NULL. If port_ptr is
2955 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2956 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2957 * (required for parsing) [ and ] chars elided from the returned string. */
2958static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2959{
4d13a2fe 2960 char *s, *host_start = str;
58cf3547
WD
2961 int hostlen = 0, userlen = 0;
2962 char *ret;
2963
4d13a2fe 2964 for (s = str; ; s++) {
58cf3547
WD
2965 if (!*s) {
2966 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD
2967 if (!port_ptr)
2968 return NULL;
2969 if (!hostlen)
2970 hostlen = s - host_start;
2971 break;
58cf3547
WD
2972 }
2973 if (*s == ':' || *s == '/') {
2974 if (!hostlen)
2975 hostlen = s - host_start;
2976 if (*s++ == '/') {
2977 if (!port_ptr)
2978 return NULL;
2979 } else if (port_ptr) {
2980 *port_ptr = atoi(s);
2981 while (isDigit(s)) s++;
4d13a2fe 2982 if (*s && *s++ != '/')
58cf3547
WD
2983 return NULL;
2984 }
2985 break;
2986 }
2987 if (*s == '@') {
2988 userlen = s - str + 1;
2989 host_start = s + 1;
2990 } else if (*s == '[') {
2991 if (s != host_start++)
2992 return NULL;
2993 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2994 hostlen = s - host_start;
2995 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2996 return NULL;
2997 }
2998 }
2999
3000 *path_start_ptr = s;
3001 ret = new_array(char, userlen + hostlen + 1);
3002 if (userlen)
3003 strlcpy(ret, str, userlen + 1);
3004 strlcpy(ret + userlen, host_start, hostlen + 1);
3005 return ret;
3006}
3007
d2970213 3008/* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
305666bf
WD
3009 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3010 * memory with the HOST. If a daemon-accessing spec was specified, the value
3011 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3012 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3013 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3014 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3015char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 3016{
58cf3547 3017 char *path;
305666bf
WD
3018
3019 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD
3020 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3021 if (*host_ptr) {
3022 if (!*port_ptr)
70cbc66b 3023 *port_ptr = -1; /* -1 indicates they want the default */
58cf3547 3024 return path;
305666bf 3025 }
305666bf
WD
3026 }
3027
58cf3547
WD
3028 *host_ptr = parse_hostspec(s, &path, NULL);
3029 if (!*host_ptr)
3030 return NULL;
ea5164d1 3031
58cf3547 3032 if (*path == ':') {
305666bf 3033 if (port_ptr && !*port_ptr)
e2aee6c4 3034 *port_ptr = -1;
58cf3547 3035 return path + 1;
305666bf
WD
3036 }
3037 if (port_ptr)
3038 *port_ptr = 0;
ea5164d1 3039
58cf3547 3040 return path;
ea5164d1 3041}