]> git.ipfire.org Git - thirdparty/rsync.git/blame - options.c
projects / thirdparty / rsync.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Handle a trailing "/." at the end of a source arg.
[thirdparty/rsync.git] / options.c
CommitLineData
0f78b815
WD		 1/*
2 * Command-line (and received via daemon-socket) option parsing.
dfa32483 3 *
0f78b815
WD		 4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
3e44bbd3 6 * Copyright (C) 2002-2022 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"
11eb67ee 24#include "ifuncs.h"
35bf8fa0 25#include <popt.h>
7a6421fa 26
7bc90b30 27extern int module_id;
53936ef9 28extern int local_server;
7be73df4 29extern int sanitize_paths;
a1018691 30extern unsigned int module_dirlen;
7b6c5c77
WD		 31extern filter_rule_list filter_list;
32extern filter_rule_list daemon_filter_list;
8645af1d 33
7a6421fa 34int make_backups = 0;
1bfbf40b
MP		 35
36/**
dfa32483 37 * If 1, send the whole file as literal data rather than trying to
dafe63ca 38 * create an incremental diff.
1bfbf40b 39 *
dfa32483 40 * If -1, then look at whether we're local or remote and go by that.
dafe63ca
MP		 41 *
42 * @sa disable_deltas_p()
1bfbf40b 43 **/
dfa32483 44int whole_file = -1;
1bfbf40b 45
a015788d 46int append_mode = 0;
716e73d4 47int keep_dirlinks = 0;
2dbf36ef 48int copy_dirlinks = 0;
7a6421fa 49int copy_links = 0;
8aa46511 50int copy_devices = 0;
9e9d33a2 51int write_devices = 0;
7a6421fa
AT		 52int preserve_links = 0;
53int preserve_hard_links = 0;
1c3344a1 54int preserve_acls = 0;
16edf865 55int preserve_xattrs = 0;
7a6421fa 56int preserve_perms = 0;
344f9ba7 57int preserve_executability = 0;
7a6421fa 58int preserve_devices = 0;
b5c6a6ae 59int preserve_specials = 0;
7a6421fa
AT		 60int preserve_uid = 0;
61int preserve_gid = 0;
b774dbc1 62int preserve_mtimes = 0;
b9367410 63int preserve_atimes = 0;
974f49e2 64int preserve_crtimes = 0;
b774dbc1
WD		 65int omit_dir_times = 0;
66int omit_link_times = 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;
82f023d7 72int do_fsync = 0;
a5c11139
WD		 73int ignore_times = 0;
74int delete_mode = 0;
a51b3168 75int delete_during = 0;
51d48398
WD		 76int delete_before = 0;
77int delete_after = 0;
a5c11139 78int delete_excluded = 0;
47c11975 79int remove_source_files = 0;
a5c11139 80int one_file_system = 0;
4f3e9a0f 81int protocol_version = PROTOCOL_VERSION;
a5c11139 82int sparse_files = 0;
28b519c9 83int preallocate_files = 0;
a5c11139 84int do_compression = 0;
d999efe6 85int do_compression_level = CLVL_NOT_SPECIFIED;
9439c0cb 86int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
7f2a1f65
WD		 87int am_server = 0;
88int am_sender = 0;
7f2a1f65 89int am_starting_up = 1;
ea5164d1
WD		 90int relative_paths = -1;
91int implied_dirs = 1;
42d8ec61 92int missing_args = 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
7a6421fa 93int numeric_ids = 0;
d8941be8 94int msgs2stderr = 2; /* Default: send errors to stderr for local & remote-shell transfers */
4adfdaaf 95int saw_stderr_opt = 0;
5974c662 96int allow_8bit_chars = 0;
7a6421fa
AT		 97int force_delete = 0;
98int io_timeout = 0;
876c9936 99int prune_empty_dirs = 0;
8487f9cf 100int use_qsort = 0;
ea5164d1
WD		 101char *files_from = NULL;
102int filesfrom_fd = -1;
305666bf 103char *filesfrom_host = NULL;
ea5164d1 104int eol_nulls = 0;
4c4a2962 105int protect_args = -1;
6b8db0f6 106int old_style_args = -1;
adc2476f 107int human_readable = 1;
7a6421fa 108int recurse = 0;
01742c07 109int mkpath_dest_arg = 0;
5275029d 110int allow_inc_recurse = 1;
b6164938 111int xfer_dirs = -1;
1312d9fc 112int am_daemon = 0;
ba22c9e2 113int connect_timeout = 0;
a5c11139
WD		 114int keep_partial = 0;
115int safe_symlinks = 0;
116int copy_unsafe_links = 0;
41adbcec 117int munge_symlinks = 0;
a5c11139 118int size_only = 0;
9fb08441 119int daemon_bwlimit = 0;
a5c11139 120int bwlimit = 0;
c4ed1487 121int fuzzy_basis = 0;
3c74c3a3 122size_t bwlimit_writemax = 0;
e90aab49
WD		 123int ignore_existing = 0;
124int ignore_non_existing = 0;
07c6ae7d 125int need_messages_from_generator = 0;
7b9598b2 126int max_delete = INT_MIN;
9510fa9a
WD		 127OFF_T max_size = -1;
128OFF_T min_size = -1;
a5c11139
WD		 129int ignore_errors = 0;
130int modify_window = 0;
131int blocking_io = -1;
2289bf64 132int checksum_seed = 0;
a3221d2a 133int inplace = 0;
f06e7082 134int delay_updates = 0;
66ca4fc9 135int32 block_size = 0;
91fff802 136time_t stop_at_utime = 0;
b1e436ec 137char *skip_compress = NULL;
08650cb1 138char *copy_as = NULL;
2206abf8 139item_list dparam_list = EMPTY_ITEM_LIST;
b35d0d8e 140
13e29995 141/** Network address family. **/
24d677fc 142int default_af_hint
4f5b0756 143#ifdef INET6
24d677fc 144 = 0; /* Any protocol */
6ab6d4bf 145#else
24d677fc
WD		 146 = AF_INET; /* Must use IPv4 */
147# ifdef AF_INET6
148# undef AF_INET6
149# endif
150# define AF_INET6 AF_INET /* make -6 option a no-op */
6ab6d4bf 151#endif
06963d0f 152
13e29995
MP		 153/** Do not go into the background when run as --daemon. Good
154 * for debugging and required for running as a service on W32,
155 * or under Unix process-monitors. **/
1f35babc
WD		 156int no_detach
157#if defined _WIN32 || defined __WIN32__
158 = 1;
159#else
160 = 0;
161#endif
13e29995 162
088aac85
DD		 163int write_batch = 0;
164int read_batch = 0;
d175d7e1
WD		 165int backup_dir_len = 0;
166int backup_suffix_len;
e0391f81 167unsigned int backup_dir_remainder;
6902ed17 168
d175d7e1 169char *backup_suffix = NULL;
7a6421fa 170char *tmpdir = NULL;
a7260c40 171char *partial_dir = NULL;
e012f858 172char *basis_dir[MAX_BASIS_DIRS+1];
30e8c8e1 173char *config_file = NULL;
7a6421fa 174char *shell_cmd = NULL;
87c0f9d6
WD		 175char *logfile_name = NULL;
176char *logfile_format = NULL;
b3e4e7ef 177char *stdout_format = NULL;
65575e96 178char *password_file = NULL;
e16b2275 179char *early_input_file = NULL;
41bd28fe 180char *rsync_path = RSYNC_PATH;
66203a98 181char *backup_dir = NULL;
e0391f81 182char backup_dir_buf[MAXPATHLEN];
831f06a5 183char *sockopts = NULL;
2df20057
WD		 184char *usermap = NULL;
185char *groupmap = NULL;
0c56b1ad 186int rsync_port = 0;
1d6c9676 187int alt_dest_type = 0;
ce0b384f 188int basis_dir_cnt = 0;
7a6421fa 189
11eb67ee
WD		 190#define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
191size_t max_alloc = DEFAULT_MAX_ALLOC;
192char *max_alloc_arg;
193
6b237b0f 194static int version_opt_cnt = 0;
7a2eca41
WD		 195static int remote_option_alloc = 0;
196int remote_option_cnt = 0;
197const char **remote_options = NULL;
a5a7d3a2 198const char *checksum_choice = NULL;
2f84a6bd 199const char *compress_choice = NULL;
7a2eca41 200
b86f0cef 201int quiet = 0;
dc1f7b9e 202int output_motd = 1;
e7651884 203int log_before_transfer = 0;
b3e4e7ef
WD		 204int stdout_format_has_i = 0;
205int stdout_format_has_o_or_i = 0;
87c0f9d6 206int logfile_format_has_i = 0;
87c0f9d6 207int logfile_format_has_o_or_i = 0;
7a6421fa 208int always_checksum = 0;
f7632fc6 209int list_only = 0;
7a6421fa 210
9b3318b0
WD		 211#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
212char *batch_name = NULL;
6902ed17 213
332cf6df 214int need_unsorted_flist = 0;
2c681b87 215char *iconv_opt =
f7a76b9c 216#ifdef ICONV_OPTION
2c681b87
WD		 217 ICONV_OPTION;
218#else
219 NULL;
332cf6df
WD		 220#endif
221
dd32e2c3
WD		 222struct chmod_mode_struct *chmod_modes = NULL;
223
d239efa3 224static const char *debug_verbosity[] = {
951e826b
WD		 225 /*0*/ NULL,
226 /*1*/ NULL,
261808da 227 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
7ae666d2 228 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
261808da
WD		 229 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
230 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
951e826b
WD		 231};
232
233#define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
234
d239efa3 235static const char *info_verbosity[1+MAX_VERBOSITY] = {
e4669b81 236 /*0*/ "NONREG",
261808da 237 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
3b8f8192 238 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
951e826b
WD		 239};
240
241#define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
242
243short info_levels[COUNT_INFO], debug_levels[COUNT_DEBUG];
244
245#define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
246#define HELP_PRIORITY 1 /* The help output uses this level. */
247#define USER_PRIORITY 2 /* User-specified via --info or --debug */
248#define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
249
250#define W_CLI (1<<0) /* client side */
251#define W_SRV (1<<1) /* server side */
252#define W_SND (1<<2) /* sending side */
253#define W_REC (1<<3) /* receiving side */
254
255struct output_struct {
256 char *name; /* The name of the info/debug flag. */
257 char *help; /* The description of the info/debug flag. */
d239efa3
WD		 258 uchar namelen; /* The length of the name string. */
259 uchar flag; /* The flag's value, for consistency check. */
260 uchar where; /* Bits indicating where the flag is used. */
261 uchar priority; /* See *_PRIORITY defines. */
951e826b
WD		 262};
263
d239efa3 264#define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
951e826b 265
75d96978 266static struct output_struct info_words[COUNT_INFO+1] = {
951e826b
WD		 267 INFO_WORD(BACKUP, W_REC, "Mention files backed up"),
268 INFO_WORD(COPY, W_REC, "Mention files copied locally on the receiving side"),
269 INFO_WORD(DEL, W_REC, "Mention deletions on the receiving side"),
270 INFO_WORD(FLIST, W_CLI, "Mention file-list receiving/sending (levels 1-2)"),
3b8f8192 271 INFO_WORD(MISC, W_SND|W_REC, "Mention miscellaneous information (levels 1-2)"),
951e826b
WD		 272 INFO_WORD(MOUNT, W_SND|W_REC, "Mention mounts that were found or skipped"),
273 INFO_WORD(NAME, W_SND|W_REC, "Mention 1) updated file/dir names, 2) unchanged names"),
e4669b81 274 INFO_WORD(NONREG, W_REC, "Mention skipped non-regular files (default 1, 0 disables)"),
951e826b
WD		 275 INFO_WORD(PROGRESS, W_CLI, "Mention 1) per-file progress or 2) total transfer progress"),
276 INFO_WORD(REMOVE, W_SND, "Mention files removed on the sending side"),
e4669b81 277 INFO_WORD(SKIP, W_REC, "Mention files skipped due to transfer overrides (levels 1-2)"),
951e826b
WD		 278 INFO_WORD(STATS, W_CLI|W_SRV, "Mention statistics at end of run (levels 1-3)"),
279 INFO_WORD(SYMSAFE, W_SND|W_REC, "Mention symlinks that are unsafe"),
d239efa3 280 { NULL, "--info", 0, 0, 0, 0 }
951e826b
WD		 281};
282
d239efa3 283#define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
951e826b 284
75d96978 285static struct output_struct debug_words[COUNT_DEBUG+1] = {
951e826b
WD		 286 DEBUG_WORD(ACL, W_SND|W_REC, "Debug extra ACL info"),
287 DEBUG_WORD(BACKUP, W_REC, "Debug backup actions (levels 1-2)"),
288 DEBUG_WORD(BIND, W_CLI, "Debug socket bind actions"),
289 DEBUG_WORD(CHDIR, W_CLI|W_SRV, "Debug when the current directory changes"),
7ae666d2 290 DEBUG_WORD(CONNECT, W_CLI, "Debug connection events (levels 1-2)"),
951e826b
WD		 291 DEBUG_WORD(CMD, W_CLI, "Debug commands+options that are issued (levels 1-2)"),
292 DEBUG_WORD(DEL, W_REC, "Debug delete actions (levels 1-3)"),
5a18b34d 293 DEBUG_WORD(DELTASUM, W_SND|W_REC, "Debug delta-transfer checksumming (levels 1-4)"),
951e826b 294 DEBUG_WORD(DUP, W_REC, "Debug weeding of duplicate names"),
0c2e8f93 295 DEBUG_WORD(EXIT, W_CLI|W_SRV, "Debug exit events (levels 1-3)"),
7e5424b8 296 DEBUG_WORD(FILTER, W_SND|W_REC, "Debug filter actions (levels 1-3)"),
951e826b
WD		 297 DEBUG_WORD(FLIST, W_SND|W_REC, "Debug file-list operations (levels 1-4)"),
298 DEBUG_WORD(FUZZY, W_REC, "Debug fuzzy scoring (levels 1-2)"),
299 DEBUG_WORD(GENR, W_REC, "Debug generator functions"),
b3347e2a 300 DEBUG_WORD(HASH, W_SND|W_REC, "Debug hashtable code"),
86be7a0e 301 DEBUG_WORD(HLINK, W_SND|W_REC, "Debug hard-link actions (levels 1-3)"),
c9f540f3 302 DEBUG_WORD(ICONV, W_CLI|W_SRV, "Debug iconv character conversions (levels 1-2)"),
20caffd2 303 DEBUG_WORD(IO, W_CLI|W_SRV, "Debug I/O routines (levels 1-4)"),
2f84a6bd 304 DEBUG_WORD(NSTR, W_CLI|W_SRV, "Debug negotiation strings"),
951e826b
WD		 305 DEBUG_WORD(OWN, W_REC, "Debug ownership changes in users & groups (levels 1-2)"),
306 DEBUG_WORD(PROTO, W_CLI|W_SRV, "Debug protocol information"),
307 DEBUG_WORD(RECV, W_REC, "Debug receiver functions"),
308 DEBUG_WORD(SEND, W_SND, "Debug sender functions"),
309 DEBUG_WORD(TIME, W_REC, "Debug setting of modified times (levels 1-2)"),
d239efa3 310 { NULL, "--debug", 0, 0, 0, 0 }
951e826b
WD		 311};
312
313static int verbose = 0;
314static int do_stats = 0;
315static int do_progress = 0;
e1add893 316static int daemon_opt; /* sets am_daemon after option error-reporting */
aa4d3b4c 317static int F_option_cnt = 0;
5b56cc19 318static int modify_window_set;
624d6be2 319static int itemize_changes = 0;
854a1aad 320static int refused_delete, refused_archive_part, refused_compress;
3296f91b 321static int refused_partial, refused_progress, refused_delete_before;
e0e32031 322static int refused_delete_during;
0b52f94d 323static int refused_inplace, refused_no_iconv;
2df20057 324static BOOL usermap_via_chown, groupmap_via_chown;
6686b93a 325static char *outbuf_mode;
ce795fcd 326static char *bwlimit_arg, *max_size_arg, *min_size_arg;
77860bac 327static char tmp_partialdir[] = ".~tmp~";
5b56cc19 328
06963d0f 329/** Local address to bind. As a character string because it's
fdf57ede 330 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
06963d0f
MP		 331 * address, or a hostname. **/
332char *bind_address;
5c9730a4 333
951e826b
WD		 334static void output_item_help(struct output_struct *words);
335
336/* This constructs a string that represents all the options set for either
337 * the --info or --debug setting, skipping any implied options (by -v, etc.).
338 * This is used both when conveying the user's options to the server, and
339 * when the help output wants to tell the user what options are implied. */
d239efa3 340static char *make_output_option(struct output_struct *words, short *levels, uchar where)
951e826b
WD		 341{
342 char *str = words == info_words ? "--info=" : "--debug=";
343 int j, counts[MAX_OUT_LEVEL+1], pos, skipped = 0, len = 0, max = 0, lev = 0;
344 int word_count = words == info_words ? COUNT_INFO : COUNT_DEBUG;
345 char *buf;
346
347 memset(counts, 0, sizeof counts);
348
349 for (j = 0; words[j].name; j++) {
350 if (words[j].flag != j) {
351 rprintf(FERROR, "rsync: internal error on %s%s: %d != %d\n",
352 words == info_words ? "INFO_" : "DEBUG_",
353 words[j].name, words[j].flag, j);
354 exit_cleanup(RERR_UNSUPPORTED);
355 }
356 if (!(words[j].where & where))
357 continue;
358 if (words[j].priority == DEFAULT_PRIORITY) {
359 /* Implied items don't need to be mentioned. */
360 skipped++;
361 continue;
362 }
363 len += len ? 1 : strlen(str);
364 len += strlen(words[j].name);
365 len += levels[j] == 1 ? 0 : 1;
366
367 if (words[j].priority == HELP_PRIORITY)
368 continue; /* no abbreviating for help */
369
370 assert(levels[j] <= MAX_OUT_LEVEL);
371 if (++counts[levels[j]] > max) {
372 /* Determine which level has the most items. */
373 lev = levels[j];
374 max = counts[lev];
375 }
376 }
377
378 /* Sanity check the COUNT_* define against the length of the table. */
379 if (j != word_count) {
380 rprintf(FERROR, "rsync: internal error: %s is wrong! (%d != %d)\n",
381 words == info_words ? "COUNT_INFO" : "COUNT_DEBUG",
382 j, word_count);
383 exit_cleanup(RERR_UNSUPPORTED);
384 }
385
386 if (!len)
387 return NULL;
388
389 len++;
11eb67ee 390 buf = new_array(char, len);
951e826b
WD		 391 pos = 0;
392
393 if (skipped || max < 5)
394 lev = -1;
395 else {
396 if (lev == 0)
397 pos += snprintf(buf, len, "%sNONE", str);
398 else if (lev == 1)
399 pos += snprintf(buf, len, "%sALL", str);
400 else
401 pos += snprintf(buf, len, "%sALL%d", str, lev);
402 }
403
404 for (j = 0; words[j].name && pos < len; j++) {
405 if (words[j].priority == DEFAULT_PRIORITY || levels[j] == lev || !(words[j].where & where))
406 continue;
407 if (pos)
408 buf[pos++] = ',';
409 else
410 pos += strlcpy(buf+pos, str, len-pos);
411 if (pos < len)
412 pos += strlcpy(buf+pos, words[j].name, len-pos);
413 /* Level 1 is implied by the name alone. */
414 if (levels[j] != 1 && pos < len)
415 buf[pos++] = '0' + levels[j];
416 }
417
418 buf[pos] = '\0';
419
420 return buf;
421}
422
e63ff70e 423static void parse_output_words(struct output_struct *words, short *levels, const char *str, uchar priority)
951e826b
WD		 424{
425 const char *s;
426 int j, len, lev;
427
cbc42b9c 428 for ( ; str; str = s) {
951e826b
WD		 429 if ((s = strchr(str, ',')) != NULL)
430 len = s++ - str;
431 else
432 len = strlen(str);
cbc42b9c
WD		 433 if (!len)
434 continue;
435 if (!isDigit(str)) {
436 while (len && isDigit(str+len-1))
437 len--;
438 }
951e826b
WD		 439 lev = isDigit(str+len) ? atoi(str+len) : 1;
440 if (lev > MAX_OUT_LEVEL)
441 lev = MAX_OUT_LEVEL;
442 if (len == 4 && strncasecmp(str, "help", 4) == 0) {
443 output_item_help(words);
444 exit_cleanup(0);
445 }
446 if (len == 4 && strncasecmp(str, "none", 4) == 0)
447 len = lev = 0;
448 else if (len == 3 && strncasecmp(str, "all", 3) == 0)
449 len = 0;
450 for (j = 0; words[j].name; j++) {
451 if (!len
d239efa3 452 || (len == words[j].namelen && strncasecmp(str, words[j].name, len) == 0)) {
951e826b
WD		 453 if (priority >= words[j].priority) {
454 words[j].priority = priority;
455 levels[j] = lev;
456 }
457 if (len)
458 break;
459 }
460 }
2f84a6bd 461 if (len && !words[j].name && !am_server) {
75d96978
WD		 462 rprintf(FERROR, "Unknown %s item: \"%.*s\"\n",
463 words[j].help, len, str);
951e826b
WD		 464 exit_cleanup(RERR_SYNTAX);
465 }
951e826b
WD		 466 }
467}
468
469/* Tell the user what all the info or debug flags mean. */
470static void output_item_help(struct output_struct *words)
471{
472 short *levels = words == info_words ? info_levels : debug_levels;
d239efa3 473 const char **verbosity = words == info_words ? info_verbosity : debug_verbosity;
951e826b
WD		 474 char buf[128], *opt, *fmt = "%-10s %s\n";
475 int j;
476
75d96978
WD		 477 reset_output_levels();
478
951e826b
WD		 479 rprintf(FINFO, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
480 rprintf(FINFO, "\n");
481 for (j = 0; words[j].name; j++)
482 rprintf(FINFO, fmt, words[j].name, words[j].help);
483 rprintf(FINFO, "\n");
484
485 snprintf(buf, sizeof buf, "Set all %s options (e.g. all%d)",
486 words[j].help, MAX_OUT_LEVEL);
487 rprintf(FINFO, fmt, "ALL", buf);
488
489 snprintf(buf, sizeof buf, "Silence all %s options (same as all0)",
490 words[j].help);
491 rprintf(FINFO, fmt, "NONE", buf);
492
493 rprintf(FINFO, fmt, "HELP", "Output this help message");
494 rprintf(FINFO, "\n");
e4669b81 495 rprintf(FINFO, "Options added at each level of verbosity:\n");
951e826b 496
e4669b81 497 for (j = 0; j <= MAX_VERBOSITY; j++) {
75d96978 498 parse_output_words(words, levels, verbosity[j], HELP_PRIORITY);
951e826b
WD		 499 opt = make_output_option(words, levels, W_CLI|W_SRV|W_SND|W_REC);
500 if (opt) {
501 rprintf(FINFO, "%d) %s\n", j, strchr(opt, '=')+1);
502 free(opt);
503 }
75d96978 504 reset_output_levels();
951e826b 505 }
951e826b
WD		 506}
507
508/* The --verbose option now sets info+debug flags. */
d239efa3 509static void set_output_verbosity(int level, uchar priority)
951e826b
WD		 510{
511 int j;
512
513 if (level > MAX_VERBOSITY)
514 level = MAX_VERBOSITY;
515
e4669b81 516 for (j = 0; j <= level; j++) {
951e826b
WD		 517 parse_output_words(info_words, info_levels, info_verbosity[j], priority);
518 parse_output_words(debug_words, debug_levels, debug_verbosity[j], priority);
519 }
520}
521
522/* Limit the info+debug flag levels given a verbose-option level limit. */
523void limit_output_verbosity(int level)
524{
525 short info_limits[COUNT_INFO], debug_limits[COUNT_DEBUG];
526 int j;
527
528 if (level > MAX_VERBOSITY)
529 return;
530
531 memset(info_limits, 0, sizeof info_limits);
532 memset(debug_limits, 0, sizeof debug_limits);
533
534 /* Compute the level limits in the above arrays. */
e4669b81 535 for (j = 0; j <= level; j++) {
951e826b
WD		 536 parse_output_words(info_words, info_limits, info_verbosity[j], LIMIT_PRIORITY);
537 parse_output_words(debug_words, debug_limits, debug_verbosity[j], LIMIT_PRIORITY);
538 }
539
540 for (j = 0; j < COUNT_INFO; j++) {
541 if (info_levels[j] > info_limits[j])
542 info_levels[j] = info_limits[j];
543 }
544
545 for (j = 0; j < COUNT_DEBUG; j++) {
546 if (debug_levels[j] > debug_limits[j])
547 debug_levels[j] = debug_limits[j];
548 }
549}
550
551void reset_output_levels(void)
552{
553 int j;
554
555 memset(info_levels, 0, sizeof info_levels);
556 memset(debug_levels, 0, sizeof debug_levels);
557
558 for (j = 0; j < COUNT_INFO; j++)
559 info_words[j].priority = DEFAULT_PRIORITY;
560
561 for (j = 0; j < COUNT_DEBUG; j++)
562 debug_words[j].priority = DEFAULT_PRIORITY;
563}
564
565void negate_output_levels(void)
566{
567 int j;
568
569 for (j = 0; j < COUNT_INFO; j++)
570 info_levels[j] *= -1;
571
572 for (j = 0; j < COUNT_DEBUG; j++)
573 debug_levels[j] *= -1;
574}
7a24c346 575
342579aa 576enum {OPT_SERVER = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
05724c07 577 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
e16adcdf 578 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
9ac756c6 579 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
66ca4fc9 580 OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_INFO, OPT_DEBUG, OPT_BLOCK_SIZE,
21ecc833 581 OPT_USERMAP, OPT_GROUPMAP, OPT_CHOWN, OPT_BWLIMIT, OPT_STDERR,
635d8c06 582 OPT_OLD_COMPRESS, OPT_NEW_COMPRESS, OPT_NO_COMPRESS, OPT_OLD_ARGS,
af531cf7 583 OPT_STOP_AFTER, OPT_STOP_AT,
342579aa 584 OPT_REFUSED_BASE = 9000};
7a6421fa 585
2855f61f
MP		 586static struct poptOption long_options[] = {
587 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
05724c07 588 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
342579aa 589 {"version", 'V', POPT_ARG_NONE, 0, 'V', 0, 0},
e86e2fa1 590 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6164938 591 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
4afcb709 592 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
951e826b
WD		 593 {"info", 0, POPT_ARG_STRING, 0, OPT_INFO, 0, 0 },
594 {"debug", 0, POPT_ARG_STRING, 0, OPT_DEBUG, 0, 0 },
21ecc833 595 {"stderr", 0, POPT_ARG_STRING, 0, OPT_STDERR, 0, 0 },
592059c8 596 {"msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 1, 0, 0 },
c0268d92 597 {"no-msgs2stderr", 0, POPT_ARG_VAL, &msgs2stderr, 0, 0, 0 },
e86e2fa1 598 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
dc1f7b9e
WD		 599 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
600 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
e86e2fa1 601 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
3ca9e5d8 602 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
8487f9cf
WD		 603 {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
604 {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
e86e2fa1 605 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
b6164938
WD		 606 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
607 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
608 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
8487f9cf 609 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
5275029d 610 {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
5275029d 611 {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
d6ca255c
WD		 612 {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
613 {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
e86e2fa1 614 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
b6164938
WD		 615 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
616 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
73cb6738
WD		 617 {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
618 {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
b6164938
WD		 619 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
620 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
621 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
344f9ba7 622 {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
1c3344a1
WD		 623 {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
624 {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
625 {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
16edf865
WD		 626 {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
627 {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
628 {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
b774dbc1
WD		 629 {"times", 't', POPT_ARG_VAL, &preserve_mtimes, 1, 0, 0 },
630 {"no-times", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
631 {"no-t", 0, POPT_ARG_VAL, &preserve_mtimes, 0, 0, 0 },
b9367410
WD		 632 {"atimes", 'U', POPT_ARG_NONE, 0, 'U', 0, 0 },
633 {"no-atimes", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
634 {"no-U", 0, POPT_ARG_VAL, &preserve_atimes, 0, 0, 0 },
87257f86
WD		 635 {"open-noatime", 0, POPT_ARG_VAL, &open_noatime, 1, 0, 0 },
636 {"no-open-noatime", 0, POPT_ARG_VAL, &open_noatime, 0, 0, 0 },
974f49e2
WD		 637 {"crtimes", 'N', POPT_ARG_VAL, &preserve_crtimes, 1, 0, 0 },
638 {"no-crtimes", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
639 {"no-N", 0, POPT_ARG_VAL, &preserve_crtimes, 0, 0, 0 },
f9998046 640 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
eb7a6e09
WD		 641 {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
642 {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
2624e005
WD		 643 {"omit-link-times", 'J', POPT_ARG_VAL, &omit_link_times, 1, 0, 0 },
644 {"no-omit-link-times",0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
645 {"no-J", 0, POPT_ARG_VAL, &omit_link_times, 0, 0, 0 },
839dbff2 646 {"modify-window", '@', POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
def97ff9
WD		 647 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
648 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
9439c0cb 649 {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
b6164938
WD		 650 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
651 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
652 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
653 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
654 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
655 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
b5c6a6ae
WD		 656 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
657 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
658 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
b6164938 659 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
8aa46511 660 {"copy-devices", 0, POPT_ARG_NONE, &copy_devices, 0, 0, 0 },
9e9d33a2
WD		 661 {"write-devices", 0, POPT_ARG_VAL, &write_devices, 1, 0, 0 },
662 {"no-write-devices", 0, POPT_ARG_VAL, &write_devices, 0, 0, 0 },
b5c6a6ae
WD		 663 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
664 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
e86e2fa1 665 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
b6164938
WD		 666 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
667 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
e86e2fa1
WD		 668 {"copy-links", 'L', POPT_ARG_NONE, &copy_links, 0, 0, 0 },
669 {"copy-unsafe-links",0, POPT_ARG_NONE, &copy_unsafe_links, 0, 0, 0 },
670 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
41adbcec
WD		 671 {"munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 1, 0, 0 },
672 {"no-munge-links", 0, POPT_ARG_VAL, &munge_symlinks, 0, 0, 0 },
2dbf36ef 673 {"copy-dirlinks", 'k', POPT_ARG_NONE, &copy_dirlinks, 0, 0, 0 },
e86e2fa1 674 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
e0e32031 675 {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
beab3078
WD		 676 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
677 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
e86e2fa1
WD		 678 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
679 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
b6164938 680 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
2dbf36ef 681 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
e86e2fa1 682 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
d6ca255c
WD		 683 {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
684 {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
e16adcdf 685 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
afb6e945
WD		 686 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
687 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
243c995f 688 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
8b48c682
WD		 689 {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
690 {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
e86e2fa1 691 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
e90aab49 692 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
e90aab49 693 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
d2da915c 694 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
aeb213ea 695 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
74de13d1 696 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
11eb67ee 697 {"max-alloc", 0, POPT_ARG_STRING, &max_alloc_arg, 0, 0, 0 },
852e763b
WD		 698 {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
699 {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
700 {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
28b519c9 701 {"preallocate", 0, POPT_ARG_NONE, &preallocate_files, 0, 0, 0},
852e763b
WD		 702 {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
703 {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
936fa865
WD		 704 {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
705 {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
706 {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
3671987f 707 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
3359acb8 708 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
e0e32031 709 {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
b0cacef1
WD		 710 {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
711 {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
51d48398
WD		 712 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
713 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
42d8ec61
WD		 714 {"delete-missing-args",0,POPT_BIT_SET, &missing_args, 2, 0, 0 },
715 {"ignore-missing-args",0,POPT_BIT_SET, &missing_args, 1, 0, 0 },
47c11975
WD		 716 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
717 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
852e763b
WD		 718 {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
719 {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
720 {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
721 {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
e86e2fa1
WD		 722 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
723 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
aa4d3b4c 724 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
8db7cc2c
WD		 725 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
726 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
727 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
728 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
afb6e945 729 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
afb6e945
WD		 730 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
731 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
b6164938 732 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
8487f9cf
WD		 733 {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
734 {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
735 {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
64d5ea39
WD		 736 {"checksum-choice", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
737 {"cc", 0, POPT_ARG_STRING, &checksum_choice, 0, 0, 0 },
66ca4fc9 738 {"block-size", 'B', POPT_ARG_STRING, 0, OPT_BLOCK_SIZE, 0, 0 },
e012f858 739 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
1de3e99b 740 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
e012f858 741 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
48b51d00 742 {"fuzzy", 'y', POPT_ARG_NONE, 0, 'y', 0, 0 },
852e763b 743 {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
492ad042 744 {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
854a1aad 745 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
64d5ea39
WD		 746 {"old-compress", 0, POPT_ARG_NONE, 0, OPT_OLD_COMPRESS, 0, 0 },
747 {"new-compress", 0, POPT_ARG_NONE, 0, OPT_NEW_COMPRESS, 0, 0 },
748 {"no-compress", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
749 {"no-z", 0, POPT_ARG_NONE, 0, OPT_NO_COMPRESS, 0, 0 },
750 {"compress-choice", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
24ce3e9d 751 {"zc", 0, POPT_ARG_STRING, &compress_choice, 0, 0, 0 },
852e763b 752 {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
d999efe6 753 {"compress-level", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
30945523 754 {"zl", 0, POPT_ARG_INT, &do_compression_level, 0, 0, 0 },
11bfaf63 755 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
b6164938
WD		 756 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
757 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
758 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
759 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
a7260c40 760 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
8487f9cf
WD		 761 {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
762 {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
852e763b
WD		 763 {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
764 {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
765 {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
87c0f9d6 766 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
b3e4e7ef
WD		 767 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
768 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
769 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
487094a0 770 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
8487f9cf
WD		 771 {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
772 {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
ce795fcd 773 {"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
8487f9cf
WD		 774 {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
775 {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
776 {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
afb6e945 777 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
e86e2fa1
WD		 778 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
779 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
8db7cc2c
WD		 780 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
781 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
11e758a4 782 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
ea5164d1 783 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
8487f9cf
WD		 784 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
785 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
635d8c06 786 {"old-args", 0, POPT_ARG_NONE, 0, OPT_OLD_ARGS, 0, 0},
6b8db0f6 787 {"no-old-args", 0, POPT_ARG_VAL, &old_style_args, 0, 0, 0},
c35d6e35
WD		 788 {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
789 {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
790 {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
8487f9cf
WD		 791 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
792 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
2df20057
WD		 793 {"usermap", 0, POPT_ARG_STRING, 0, OPT_USERMAP, 0, 0 },
794 {"groupmap", 0, POPT_ARG_STRING, 0, OPT_GROUPMAP, 0, 0 },
795 {"chown", 0, POPT_ARG_STRING, 0, OPT_CHOWN, 0, 0 },
e86e2fa1 796 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
8487f9cf 797 {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
ba22c9e2 798 {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
852e763b 799 {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
82f023d7 800 {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
af531cf7
WD		 801 {"stop-after", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 },
802 {"time-limit", 0, POPT_ARG_STRING, 0, OPT_STOP_AFTER, 0, 0 }, /* earlier stop-after name */
803 {"stop-at", 0, POPT_ARG_STRING, 0, OPT_STOP_AT, 0, 0 },
e86e2fa1
WD		 804 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
805 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
806 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
332cf6df 807 {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
0b52f94d 808 {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
3dd22903
WD		 809 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
810 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
852e763b
WD		 811 {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
812 {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
813 {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
01742c07
WD		 814 {"mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 1, 0, 0 },
815 {"no-mkpath", 0, POPT_ARG_VAL, &mkpath_dest_arg, 0, 0, 0 },
8487f9cf 816 {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
08650cb1 817 {"copy-as", 0, POPT_ARG_STRING, &copy_as, 0, 0, 0 },
e86e2fa1
WD		 818 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
819 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 820 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
e86e2fa1 821 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
e16b2275 822 {"early-input", 0, POPT_ARG_STRING, &early_input_file, 0, 0, 0 },
e86e2fa1
WD		 823 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
824 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
6686b93a 825 {"outbuf", 0, POPT_ARG_STRING, &outbuf_mode, 0, 0, 0 },
7a2eca41 826 {"remote-option", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
e86e2fa1
WD		 827 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
828 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
0ccffd7c 829 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
e86e2fa1
WD		 830 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
831 /* All the following options switch us into daemon-mode option-parsing. */
3ac7f5d4
WD		 832 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
833 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
2206abf8 834 {"dparam", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
1f35babc 835 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4 836 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
3ac7f5d4
WD		 837 {0,0,0,0, 0, 0, 0}
838};
839
3ac7f5d4
WD		 840static struct poptOption long_daemon_options[] = {
841 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
842 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
9fb08441 843 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
3ac7f5d4
WD		 844 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
845 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
2206abf8 846 {"dparam", 'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
3ac7f5d4
WD		 847 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
848 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
1f35babc 849 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
8487f9cf 850 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
87c0f9d6 851 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
232658d9 852 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
3ac7f5d4 853 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
831f06a5 854 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
3ac7f5d4
WD		 855 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
856 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
b8cc3587 857 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
1bd9db74 858 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
b6e22a47
WD		 859 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
860 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
3ac7f5d4 861 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
ad715008 862 {0,0,0,0, 0, 0, 0}
2855f61f 863};
7a6421fa 864
06963d0f 865
e51094b7 866static char err_buf[200];
cd8185f2 867
2855f61f 868
dafe63ca
MP		 869/**
870 * Store the option error message, if any, so that we can log the
871 * connection attempt (which requires parsing the options), and then
872 * show the error later on.
873 **/
cd8185f2
AT		 874void option_error(void)
875{
e51094b7 876 if (!err_buf[0]) {
c9bce0b8
WD		 877 strlcpy(err_buf, "Error parsing options: option may "
878 "be supported on client but not on server?\n",
879 sizeof err_buf);
cd8185f2 880 }
e51094b7 881
e51094b7 882 rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
f60bd811 883 io_flush(MSG_FLUSH);
8f1dc165 884 msleep(20);
cd8185f2
AT		 885}
886
dafe63ca 887
3b36bde9 888static void parse_one_refuse_match(int negated, const char *ref, const struct poptOption *list_end)
b3a1a0ca
WD		 889{
890 struct poptOption *op;
891 char shortName[2];
892 int is_wild = strpbrk(ref, "*?[") != NULL;
893 int found_match = 0;
894
895 shortName[1] = '\0';
896
897 if (strcmp("a", ref) == 0 || strcmp("archive", ref) == 0) {
898 ref = "[ardlptgoD]";
899 is_wild = 1;
900 }
901
902 for (op = long_options; op != list_end; op++) {
903 *shortName = op->shortName;
904 if ((op->longName && wildmatch(ref, op->longName))
905 || (*shortName && wildmatch(ref, shortName))) {
be7af36c
WD		 906 if (op->descrip[1] == '*')
907 op->descrip = negated ? "a*" : "r*";
b3a1a0ca 908 else if (!is_wild)
be7af36c 909 op->descrip = negated ? "a=" : "r=";
b3a1a0ca
WD		 910 found_match = 1;
911 if (!is_wild)
912 break;
913 }
914 }
915
916 if (!found_match)
917 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", ref);
918}
919
920
dafe63ca 921/**
27ed20f7
WD		 922 * Tweak the option table to disable all options that the rsyncd.conf
923 * file has told us to refuse.
dafe63ca 924 **/
b3a1a0ca 925static void set_refuse_options(void)
cd8185f2 926{
b3a1a0ca
WD		 927 struct poptOption *op, *list_end = NULL;
928 char *cp, *ref = lp_refuse_options(module_id);
929 int negated;
093e816c 930
b3a1a0ca
WD		 931 if (!ref)
932 ref = "";
27ed20f7 933
d4fc18f3
WD		 934 if (!am_daemon)
935 ref = "";
b3a1a0ca
WD		 936
937 /* We abuse the descrip field in poptOption to make it easy to flag which options
938 * are refused (since we don't use it otherwise). Start by marking all options
be7af36c 939 * as "a"ccepted with a few options also marked as non-wild. */
b3a1a0ca
WD		 940 for (op = long_options; ; op++) {
941 const char *longName = op->longName ? op->longName : "";
942 if (!op->longName && !op->shortName) {
943 list_end = op;
06a50542 944 break;
d73e7f6e 945 }
d4fc18f3
WD		 946 if (!am_daemon
947 || op->shortName == 'e' /* Required for compatibility flags */
b3a1a0ca
WD		 948 || op->shortName == '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
949 || op->shortName == 's' /* --protect-args is always OK */
950 || op->shortName == 'n' /* --dry-run is always OK */
b3a1a0ca
WD		 951 || strcmp("iconv", longName) == 0
952 || strcmp("no-iconv", longName) == 0
953 || strcmp("checksum-seed", longName) == 0
8aa46511 954 || strcmp("copy-devices", longName) == 0 /* disable wild-match (it gets refused below) */
b3a1a0ca 955 || strcmp("write-devices", longName) == 0 /* disable wild-match (it gets refused below) */
be7af36c
WD		 956 || strcmp("log-format", longName) == 0 /* aka out-format (NOT log-file-format) */
957 || strcmp("sender", longName) == 0
958 || strcmp("server", longName) == 0)
959 op->descrip = "a="; /* exact-match only */
b3a1a0ca 960 else
be7af36c 961 op->descrip = "a*"; /* wild-card-able */
b3a1a0ca
WD		 962 }
963 assert(list_end != NULL);
964
d4fc18f3 965 if (am_daemon) { /* Refused by default, but can be accepted via a negated exact match. */
8aa46511 966 parse_one_refuse_match(0, "copy-devices", list_end);
3b36bde9 967 parse_one_refuse_match(0, "write-devices", list_end);
d4fc18f3 968 }
b3a1a0ca
WD		 969
970 while (1) {
971 while (*ref == ' ') ref++;
972 if (!*ref)
973 break;
974 if ((cp = strchr(ref, ' ')) != NULL)
975 *cp = '\0';
976 negated = *ref == '!';
977 if (negated && ref[1])
978 ref++;
3b36bde9 979 parse_one_refuse_match(negated, ref, list_end);
27ed20f7
WD		 980 if (!cp)
981 break;
982 *cp = ' ';
b3a1a0ca
WD		 983 ref = cp + 1;
984 }
985
986 if (am_daemon) {
987#ifdef ICONV_OPTION
988 if (!*lp_charset(module_id))
3b36bde9 989 parse_one_refuse_match(0, "iconv", list_end);
b3a1a0ca 990#endif
3b36bde9 991 parse_one_refuse_match(0, "log-file*", list_end);
b3a1a0ca
WD		 992 }
993
2b439c1f
WD		 994#ifndef SUPPORT_ATIMES
995 parse_one_refuse_match(0, "atimes", list_end);
996#endif
1d6c9676
WD		 997#ifndef SUPPORT_HARD_LINKS
998 parse_one_refuse_match(0, "link-dest", list_end);
999#endif
af531cf7
WD		 1000#ifndef HAVE_MKTIME
1001 parse_one_refuse_match(0, "stop-at", list_end);
1002#endif
d4fc18f3
WD		 1003#ifndef ICONV_OPTION
1004 parse_one_refuse_match(0, "iconv", list_end);
1005#endif
1006#ifndef HAVE_SETVBUF
1007 parse_one_refuse_match(0, "outbuf", list_end);
1008#endif
974f49e2
WD		 1009#ifndef SUPPORT_CRTIMES
1010 parse_one_refuse_match(0, "crtimes", list_end);
1011#endif
d4fc18f3 1012
b3a1a0ca
WD		 1013 /* Now we use the descrip values to actually mark the options for refusal. */
1014 for (op = long_options; op != list_end; op++) {
be7af36c 1015 int refused = op->descrip[0] == 'r';
b3a1a0ca
WD		 1016 op->descrip = NULL;
1017 if (!refused)
1018 continue;
1019 if (op->argInfo == POPT_ARG_VAL)
1020 op->argInfo = POPT_ARG_NONE;
1021 op->val = (op - long_options) + OPT_REFUSED_BASE;
1022 /* The following flags are set to let us easily check an implied option later in the code. */
1023 switch (op->shortName) {
1024 case 'r': case 'd': case 'l': case 'p':
1025 case 't': case 'g': case 'o': case 'D':
1026 refused_archive_part = op->val;
1027 break;
1028 case 'z':
1029 refused_compress = op->val;
1030 break;
1031 case '\0':
1032 if (strcmp("delete", op->longName) == 0)
1033 refused_delete = op->val;
1034 else if (strcmp("delete-before", op->longName) == 0)
1035 refused_delete_before = op->val;
1036 else if (strcmp("delete-during", op->longName) == 0)
1037 refused_delete_during = op->val;
1038 else if (strcmp("partial", op->longName) == 0)
1039 refused_partial = op->val;
1040 else if (strcmp("progress", op->longName) == 0)
1041 refused_progress = op->val;
1042 else if (strcmp("inplace", op->longName) == 0)
1043 refused_inplace = op->val;
1044 else if (strcmp("no-iconv", op->longName) == 0)
1045 refused_no_iconv = op->val;
1046 break;
1047 }
cd8185f2 1048 }
cd8185f2
AT		 1049}
1050
1051
8db7cc2c 1052static int count_args(const char **argv)
2855f61f 1053{
dfa32483 1054 int i = 0;
2855f61f 1055
8db7cc2c
WD		 1056 if (argv) {
1057 while (argv[i] != NULL)
1058 i++;
1059 }
dfa32483
WD		 1060
1061 return i;
2855f61f
MP		 1062}
1063
11eb67ee
WD		 1064/* If the size_arg is an invalid string or the value is < min_value, an error
1065 * is put into err_buf & the return is -1. Note that this parser does NOT
1066 * support negative numbers, so a min_value < 0 doesn't make any sense. */
66ca4fc9
WD		 1067static ssize_t parse_size_arg(const char *size_arg, char def_suf, const char *opt_name,
1068 ssize_t min_value, ssize_t max_value, BOOL unlimited_0)
95e107db 1069{
66ca4fc9
WD		 1070 int reps, mult, len;
1071 const char *arg, *err = "invalid", *min_max = NULL;
1072 ssize_t limit = -1, size = 1;
95e107db 1073
11eb67ee 1074 for (arg = size_arg; isDigit(arg); arg++) {}
da7a3506 1075 if (*arg == '.' || *arg == get_decimal_point()) /* backward compatibility: always allow '.' */
2dc7b8bd 1076 for (arg++; isDigit(arg); arg++) {}
3c19f72c 1077 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
837d01dd 1078 case 'b': case 'B':
3c19f72c 1079 reps = 0;
837d01dd 1080 break;
95e107db 1081 case 'k': case 'K':
3c19f72c 1082 reps = 1;
95e107db
WD		 1083 break;
1084 case 'm': case 'M':
3c19f72c 1085 reps = 2;
95e107db
WD		 1086 break;
1087 case 'g': case 'G':
3c19f72c 1088 reps = 3;
95e107db 1089 break;
11eb67ee
WD		 1090 case 't': case 'T':
1091 reps = 4;
1092 break;
1093 case 'p': case 'P':
1094 reps = 5;
1095 break;
95e107db 1096 default:
11eb67ee 1097 goto failure;
95e107db 1098 }
3c19f72c 1099 if (*arg == 'b' || *arg == 'B')
11eb67ee 1100 mult = 1000, arg++;
3c19f72c
WD		 1101 else if (!*arg || *arg == '+' || *arg == '-')
1102 mult = 1024;
1103 else if (strncasecmp(arg, "ib", 2) == 0)
1104 mult = 1024, arg += 2;
1105 else
11eb67ee 1106 goto failure;
3c19f72c
WD		 1107 while (reps--)
1108 size *= mult;
11eb67ee 1109 size *= atof(size_arg);
d07c2992 1110 if ((*arg == '+' || *arg == '-') && arg[1] == '1' && arg != size_arg)
11eb67ee 1111 size += atoi(arg), arg += 2;
3c19f72c 1112 if (*arg)
11eb67ee 1113 goto failure;
66ca4fc9
WD		 1114 if (size < 0 || (max_value >= 0 && size > max_value)) {
1115 err = "too large";
1116 min_max = "max";
1117 limit = max_value;
1118 goto failure;
1119 }
1120 if (size < min_value && (!unlimited_0 || size != 0)) {
1121 err = "too small";
1122 min_max = "min";
1123 limit = min_value;
11eb67ee 1124 goto failure;
aeb213ea 1125 }
95e107db 1126 return size;
95e107db 1127
11eb67ee 1128failure:
66ca4fc9
WD		 1129 len = snprintf(err_buf, sizeof err_buf - 1, "--%s=%s is %s", opt_name, size_arg, err);
1130 if (min_max && limit >= 0 && len < (int)sizeof err_buf - 10) {
1131 len += snprintf(err_buf + len, sizeof err_buf - len - 1, " (%s: %s%s)",
1132 min_max, do_big_num(limit, 3, NULL),
1133 unlimited_0 && min_max[1] == 'i' ? " or 0 for unlimited" : "");
1134 }
1135 err_buf[len] = '\n';
1136 err_buf[len+1] = '\0';
11eb67ee
WD		 1137 return -1;
1138}
95e107db 1139
af531cf7
WD		 1140#ifdef HAVE_MKTIME
1141/* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1142 * also allowing abbreviated data. For instance, if the time is omitted,
1143 * it defaults to midnight. If the date is omitted, it defaults to the
1144 * next possible date in the future with the specified time. Even the
1145 * year or year-month can be omitted, again defaulting to the next date
1146 * in the future that matches the specified information. A 2-digit year
1147 * is also OK, as is using '/' instead of '-'. */
1148static time_t parse_time(const char *arg)
1149{
1150 const char *cp;
1151 time_t val, now = time(NULL);
1152 struct tm t, *today = localtime(&now);
1153 int in_date, old_mday, n;
1154
1155 memset(&t, 0, sizeof t);
1156 t.tm_year = t.tm_mon = t.tm_mday = -1;
1157 t.tm_hour = t.tm_min = t.tm_isdst = -1;
1158 cp = arg;
1159 if (*cp == 'T' || *cp == 't' || *cp == ':') {
1160 in_date = *cp == ':' ? 0 : -1;
1161 cp++;
1162 } else
1163 in_date = 1;
1164 for ( ; ; cp++) {
1165 if (!isDigit(cp))
1166 return (time_t)-1;
1167 n = 0;
1168 do {
1169 n = n * 10 + *cp++ - '0';
1170 } while (isDigit(cp));
1171 if (*cp == ':')
1172 in_date = 0;
1173 if (in_date > 0) {
1174 if (t.tm_year != -1)
1175 return (time_t)-1;
1176 t.tm_year = t.tm_mon;
1177 t.tm_mon = t.tm_mday;
1178 t.tm_mday = n;
1179 if (!*cp)
1180 break;
1181 if (*cp == 'T' || *cp == 't') {
1182 if (!cp[1])
1183 break;
1184 in_date = -1;
1185 } else if (*cp != '-' && *cp != '/')
1186 return (time_t)-1;
1187 continue;
1188 }
1189 if (t.tm_hour != -1)
1190 return (time_t)-1;
1191 t.tm_hour = t.tm_min;
1192 t.tm_min = n;
1193 if (!*cp) {
1194 if (in_date < 0)
1195 return (time_t)-1;
1196 break;
1197 }
1198 if (*cp != ':')
1199 return (time_t)-1;
1200 in_date = 0;
1201 }
1202
1203 in_date = 0;
1204 if (t.tm_year < 0) {
1205 t.tm_year = today->tm_year;
1206 in_date = 1;
1207 } else if (t.tm_year < 100) {
1208 while (t.tm_year < today->tm_year)
1209 t.tm_year += 100;
1210 } else
1211 t.tm_year -= 1900;
1212 if (t.tm_mon < 0) {
1213 t.tm_mon = today->tm_mon;
1214 in_date = 2;
1215 } else
1216 t.tm_mon--;
1217 if (t.tm_mday < 0) {
1218 t.tm_mday = today->tm_mday;
1219 in_date = 3;
1220 }
1221
1222 n = 0;
1223 if (t.tm_min < 0) {
1224 t.tm_hour = t.tm_min = 0;
1225 } else if (t.tm_hour < 0) {
1226 if (in_date != 3)
1227 return (time_t)-1;
1228 in_date = 0;
1229 t.tm_hour = today->tm_hour;
1230 n = 60*60;
1231 }
1232
1233 /* Note that mktime() might change a too-large tm_mday into the start of
1234 * the following month which we need to undo in the following code! */
1235 old_mday = t.tm_mday;
1236 if (t.tm_hour > 23 || t.tm_min > 59
1237 || t.tm_mon < 0 || t.tm_mon >= 12
1238 || t.tm_mday < 1 || t.tm_mday > 31
1239 || (val = mktime(&t)) == (time_t)-1)
1240 return (time_t)-1;
1241
1242 while (in_date && (val <= now || t.tm_mday < old_mday)) {
1243 switch (in_date) {
1244 case 3:
1245 old_mday = ++t.tm_mday;
1246 break;
1247 case 2:
1248 if (t.tm_mday < old_mday)
1249 t.tm_mday = old_mday; /* The month already got bumped forward */
1250 else if (++t.tm_mon == 12) {
1251 t.tm_mon = 0;
1252 t.tm_year++;
1253 }
1254 break;
1255 case 1:
1256 if (t.tm_mday < old_mday) {
1257 /* mon==1 mday==29 got bumped to mon==2 */
1258 if (t.tm_mon != 2 || old_mday != 29)
1259 return (time_t)-1;
1260 t.tm_mon = 1;
1261 t.tm_mday = 29;
1262 }
1263 t.tm_year++;
1264 break;
1265 }
1266 if ((val = mktime(&t)) == (time_t)-1) {
1267 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1268 if (in_date != 3 || t.tm_mday <= 28)
1269 return (time_t)-1;
1270 t.tm_mday = old_mday = 1;
1271 in_date = 2;
1272 }
1273 }
1274 if (n) {
1275 while (val <= now)
1276 val += n;
1277 }
1278 return val;
1279}
1280#endif
1281
3671987f
WD		 1282static void create_refuse_error(int which)
1283{
d4fc18f3
WD		 1284 const char *msg;
1285 if (am_daemon)
1286 msg = "The server is configured to refuse";
1287 else if (am_server)
1288 msg = "The server does not support";
1289 else
1290 msg = "This rsync does not support";
1291
3671987f
WD		 1292 /* The "which" value is the index + OPT_REFUSED_BASE. */
1293 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
d4fc18f3
WD		 1294 int n = snprintf(err_buf, sizeof err_buf, "%s --%s\n", msg, op->longName) - 1;
1295 if (op->shortName)
1296 snprintf(err_buf + n, sizeof err_buf - n, " (-%c)\n", op->shortName);
3671987f
WD		 1297}
1298
9e7b8ab7
WD		 1299/* This is used to make sure that --daemon & --server cannot be aliased to
1300 * something else. These options have always disabled popt aliases for the
1301 * parsing of a daemon or server command-line, but we have to make sure that
1302 * these options cannot vanish so that the alias disabling can take effect. */
1303static void popt_unalias(poptContext con, const char *opt)
1304{
1305 struct poptAlias unalias;
1306
bb484a79
WD		 1307 memset(&unalias, 0, sizeof unalias);
1308
9e7b8ab7 1309 unalias.longName = opt + 2; /* point past the leading "--" */
9e7b8ab7 1310 unalias.argc = 1;
bb484a79 1311 unalias.argv = new_array0(const char*, 2);
9e7b8ab7
WD		 1312 unalias.argv[0] = strdup(opt);
1313
1314 poptAddAlias(con, unalias, 0);
1315}
3671987f 1316
cdf58a7a 1317char *alt_dest_opt(int type)
1d6c9676
WD		 1318{
1319 if (!type)
1320 type = alt_dest_type;
1321
1322 switch (type) {
1323 case COMPARE_DEST:
1324 return "--compare-dest";
1325 case COPY_DEST:
1326 return "--copy-dest";
1327 case LINK_DEST:
1328 return "--link-dest";
1329 default:
ab110fc8 1330 NOISY_DEATH("Unknown alt_dest_opt type");
1d6c9676
WD		 1331 }
1332}
1333
dafe63ca
MP		 1334/**
1335 * Process command line arguments. Called on both local and remote.
1336 *
1337 * @retval 1 if all options are OK; with globals set to appropriate
1338 * values
1339 *
1340 * @retval 0 on error, with err_buf containing an explanation
1341 **/
53936ef9 1342int parse_arguments(int *argc_p, const char ***argv_p)
7a6421fa 1343{
7a4addaa 1344 static poptContext pc;
ffbffc64
WD		 1345 const char *arg, **argv = *argv_p;
1346 int argc = *argc_p;
1d6c9676 1347 int opt, want_dest_type;
77063038 1348 int orig_protect_args = protect_args;
d853783f 1349
a3668685
WD		 1350 if (argc == 0) {
1351 strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
1352 return 0;
1353 }
b3a1a0ca
WD		 1354
1355 set_refuse_options();
27ed20f7 1356
332cf6df 1357#ifdef ICONV_OPTION
4c4a2962 1358 if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
332cf6df
WD		 1359 iconv_opt = strdup(arg);
1360#endif
1361
dfa32483 1362 /* TODO: Call poptReadDefaultConfig; handle errors. */
cd8185f2 1363
dfa32483
WD		 1364 /* The context leaks in case of an error, but if there's a
1365 * problem we always exit anyhow. */
7a4addaa
WD		 1366 if (pc)
1367 poptFreeContext(pc);
1368 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
9e7b8ab7 1369 if (!am_server) {
7a4addaa 1370 poptReadDefaultConfig(pc, 0);
9e7b8ab7
WD		 1371 popt_unalias(pc, "--daemon");
1372 popt_unalias(pc, "--server");
1373 }
2855f61f
MP		 1374
1375 while ((opt = poptGetNextOpt(pc)) != -1) {
dfa32483
WD		 1376 /* most options are handled automatically by popt;
1377 * only special cases are returned and listed here. */
2855f61f 1378
d853783f 1379 switch (opt) {
342579aa 1380 case 'V':
6b237b0f
WD		 1381 version_opt_cnt++;
1382 break;
dfa32483 1383
0ccffd7c
WD		 1384 case OPT_SERVER:
1385 if (!am_server) {
1386 /* Disable popt aliases on the server side and
1387 * then start parsing the options again. */
1388 poptFreeContext(pc);
e63ff70e 1389 pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
0ccffd7c
WD		 1390 am_server = 1;
1391 }
332cf6df
WD		 1392#ifdef ICONV_OPTION
1393 iconv_opt = NULL;
1394#endif
0ccffd7c
WD		 1395 break;
1396
1397 case OPT_SENDER:
1398 if (!am_server) {
1399 usage(FERROR);
1400 exit_cleanup(RERR_SYNTAX);
1401 }
1402 am_sender = 1;
1403 break;
1404
3ac7f5d4
WD		 1405 case OPT_DAEMON:
1406 if (am_daemon) {
c9bce0b8
WD		 1407 strlcpy(err_buf,
1408 "Attempt to hack rsync thwarted!\n",
1409 sizeof err_buf);
3ac7f5d4
WD		 1410 return 0;
1411 }
332cf6df
WD		 1412#ifdef ICONV_OPTION
1413 iconv_opt = NULL;
1414#endif
4c4a2962 1415 protect_args = 0;
3ac7f5d4 1416 poptFreeContext(pc);
e63ff70e 1417 pc = poptGetContext(RSYNC_NAME, argc, argv, long_daemon_options, 0);
3ac7f5d4 1418 while ((opt = poptGetNextOpt(pc)) != -1) {
2206abf8 1419 char **cpp;
3ac7f5d4
WD		 1420 switch (opt) {
1421 case 'h':
1422 daemon_usage(FINFO);
1423 exit_cleanup(0);
1424
2206abf8
WD		 1425 case 'M':
1426 arg = poptGetOptArg(pc);
1427 if (!strchr(arg, '=')) {
1428 rprintf(FERROR,
e63ff70e
WD		 1429 "--dparam value is missing an '=': %s\n",
1430 arg);
2206abf8
WD		 1431 goto daemon_error;
1432 }
1433 cpp = EXPAND_ITEM_LIST(&dparam_list, char *, 4);
1434 *cpp = strdup(arg);
1435 break;
1436
1bd9db74
WD		 1437 case 'v':
1438 verbose++;
1439 break;
1440
3ac7f5d4
WD		 1441 default:
1442 rprintf(FERROR,
e63ff70e
WD		 1443 "rsync: %s: %s (in daemon mode)\n",
1444 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1445 poptStrerror(opt));
3ac7f5d4
WD		 1446 goto daemon_error;
1447 }
1448 }
b6e22a47 1449
2206abf8
WD		 1450 if (dparam_list.count && !set_dparams(1))
1451 exit_cleanup(RERR_SYNTAX);
1452
b6e22a47
WD		 1453 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1454 snprintf(err_buf, sizeof err_buf,
1455 "the --temp-dir path is WAY too long.\n");
1456 return 0;
1457 }
1458
3ac7f5d4
WD		 1459 if (!daemon_opt) {
1460 rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
1461 daemon_error:
e63ff70e 1462 rprintf(FERROR, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
3ac7f5d4
WD		 1463 exit_cleanup(RERR_SYNTAX);
1464 }
b6e22a47 1465
ffbffc64
WD		 1466 *argv_p = argv = poptGetArgs(pc);
1467 *argc_p = argc = count_args(argv);
7f2a1f65 1468 am_starting_up = 0;
3ac7f5d4
WD		 1469 daemon_opt = 0;
1470 am_daemon = 1;
1471 return 1;
1472
5b56cc19 1473 case OPT_MODIFY_WINDOW:
dfa32483
WD		 1474 /* The value has already been set by popt, but
1475 * we need to remember that we're using a
1476 * non-default setting. */
5b56cc19
AT		 1477 modify_window_set = 1;
1478 break;
1de50993 1479
aa4d3b4c 1480 case OPT_FILTER:
c8fa85b2
MM		 1481 parse_filter_str(&filter_list, poptGetOptArg(pc),
1482 rule_template(0), 0);
d853783f
AT		 1483 break;
1484
aa4d3b4c 1485 case OPT_EXCLUDE:
c8fa85b2
MM		 1486 parse_filter_str(&filter_list, poptGetOptArg(pc),
1487 rule_template(0), XFLG_OLD_PREFIXES);
aa4d3b4c
WD		 1488 break;
1489
d853783f 1490 case OPT_INCLUDE:
c8fa85b2
MM		 1491 parse_filter_str(&filter_list, poptGetOptArg(pc),
1492 rule_template(FILTRULE_INCLUDE), XFLG_OLD_PREFIXES);
d853783f
AT		 1493 break;
1494
1495 case OPT_EXCLUDE_FROM:
93695764 1496 case OPT_INCLUDE_FROM:
7be73df4 1497 arg = poptGetOptArg(pc);
1a7f3d99 1498 if (sanitize_paths)
d48810ba 1499 arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
819bfe45 1500 if (daemon_filter_list.head) {
200aec7d 1501 int rej;
2907af47 1502 char *cp = strdup(arg);
3671987f 1503 if (!*cp)
2907af47
WD		 1504 rej = 1;
1505 else {
1506 char *dir = cp + (*cp == '/' ? module_dirlen : 0);
1507 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1508 rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1509 }
d3ef9859 1510 free(cp);
200aec7d
WD		 1511 if (rej)
1512 goto options_rejected;
ba3db479 1513 }
3a5e9224 1514 parse_filter_file(&filter_list, arg,
c8fa85b2 1515 rule_template(opt == OPT_INCLUDE_FROM ? FILTRULE_INCLUDE : 0),
3a5e9224 1516 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
93695764
DD		 1517 break;
1518
b6164938
WD		 1519 case 'a':
1520 if (refused_archive_part) {
1521 create_refuse_error(refused_archive_part);
1522 return 0;
1523 }
1524 if (!recurse) /* preserve recurse == 2 */
1525 recurse = 1;
1526#ifdef SUPPORT_LINKS
1527 preserve_links = 1;
1528#endif
1529 preserve_perms = 1;
b774dbc1 1530 preserve_mtimes = 1;
b6164938
WD		 1531 preserve_gid = 1;
1532 preserve_uid = 1;
1533 preserve_devices = 1;
b5c6a6ae
WD		 1534 preserve_specials = 1;
1535 break;
1536
1537 case 'D':
1538 preserve_devices = preserve_specials = 1;
1539 break;
1540
1541 case OPT_NO_D:
1542 preserve_devices = preserve_specials = 0;
b6164938
WD		 1543 break;
1544
3ca9e5d8
WD		 1545 case 'h':
1546 human_readable++;
1547 break;
1548
e0e32031
WD		 1549 case 'H':
1550 preserve_hard_links++;
1551 break;
1552
487094a0
WD		 1553 case 'i':
1554 itemize_changes++;
1555 break;
1556
b9367410
WD		 1557 case 'U':
1558 if (++preserve_atimes > 1)
b3a1a0ca 1559 open_noatime = 1;
b9367410
WD		 1560 break;
1561
d853783f
AT		 1562 case 'v':
1563 verbose++;
1564 break;
7a6421fa 1565
48b51d00
WD		 1566 case 'y':
1567 fuzzy_basis++;
1568 break;
1569
b86f0cef 1570 case 'q':
53936ef9 1571 quiet++;
b86f0cef
DD		 1572 break;
1573
243c995f
WD		 1574 case 'x':
1575 one_file_system++;
1576 break;
1577
aa4d3b4c
WD		 1578 case 'F':
1579 switch (++F_option_cnt) {
1580 case 1:
c8fa85b2 1581 parse_filter_str(&filter_list,": /.rsync-filter",rule_template(0),0);
aa4d3b4c
WD		 1582 break;
1583 case 2:
c8fa85b2 1584 parse_filter_str(&filter_list,"- .rsync-filter",rule_template(0),0);
aa4d3b4c
WD		 1585 break;
1586 }
1587 break;
1588
d9fcc198 1589 case 'P':
3671987f 1590 if (refused_partial || refused_progress) {
e63ff70e 1591 create_refuse_error(refused_partial ? refused_partial : refused_progress);
3671987f
WD		 1592 return 0;
1593 }
d9fcc198
AT		 1594 do_progress = 1;
1595 keep_partial = 1;
1596 break;
1597
854a1aad 1598 case 'z':
22a3ac0b 1599 do_compression++;
854a1aad
WD		 1600 break;
1601
64d5ea39
WD		 1602 case OPT_OLD_COMPRESS:
1603 compress_choice = "zlib";
1604 break;
1605
1606 case OPT_NEW_COMPRESS:
1607 compress_choice = "zlibx";
1608 break;
1609
1610 case OPT_NO_COMPRESS:
1611 do_compression = 0;
1612 compress_choice = NULL;
1613 break;
1614
635d8c06
WD		 1615 case OPT_OLD_ARGS:
1616 if (old_style_args <= 0)
1617 old_style_args = 1;
1618 else
1619 old_style_args++;
1620 break;
1621
7a2eca41
WD		 1622 case 'M':
1623 arg = poptGetOptArg(pc);
1624 if (*arg != '-') {
1625 snprintf(err_buf, sizeof err_buf,
1626 "Remote option must start with a dash: %s\n", arg);
1627 return 0;
1628 }
1629 if (remote_option_cnt+2 >= remote_option_alloc) {
1630 remote_option_alloc += 16;
1631 remote_options = realloc_array(remote_options,
1632 const char *, remote_option_alloc);
7a2eca41
WD		 1633 if (!remote_option_cnt)
1634 remote_options[0] = "ARG0";
1635 }
1636 remote_options[++remote_option_cnt] = arg;
1637 remote_options[remote_option_cnt+1] = NULL;
1638 break;
1639
088aac85 1640 case OPT_WRITE_BATCH:
9b3318b0 1641 /* batch_name is already set */
088aac85
DD		 1642 write_batch = 1;
1643 break;
1644
11e758a4
WD		 1645 case OPT_ONLY_WRITE_BATCH:
1646 /* batch_name is already set */
1647 write_batch = -1;
1648 break;
1649
76f79ba7 1650 case OPT_READ_BATCH:
9b3318b0 1651 /* batch_name is already set */
6902ed17
MP		 1652 read_batch = 1;
1653 break;
ea5164d1 1654
0b52f94d 1655 case OPT_NO_ICONV:
15dbffc2 1656#ifdef ICONV_OPTION
0b52f94d 1657 iconv_opt = NULL;
15dbffc2 1658#endif
0b52f94d
WD		 1659 break;
1660
66ca4fc9
WD		 1661 case OPT_BLOCK_SIZE: {
1662 /* We may not know the real protocol_version at this point if this is the client
1663 * option parsing, but we still want to check it so that the client can specify
1664 * a --protocol=29 option with a larger block size. */
1665 int max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
1666 ssize_t size;
1667 arg = poptGetOptArg(pc);
1668 if ((size = parse_size_arg(arg, 'b', "block-size", 0, max_blength, False)) < 0)
1669 return 0;
1670 block_size = (int32)size;
1671 break;
1672 }
1673
7d5acf1d 1674 case OPT_MAX_SIZE:
66ca4fc9 1675 if ((max_size = parse_size_arg(max_size_arg, 'b', "max-size", 0, -1, False)) < 0)
e012f858 1676 return 0;
da7a3506 1677 max_size_arg = strdup(do_big_num(max_size, 0, NULL));
7d5acf1d
WD		 1678 break;
1679
74de13d1 1680 case OPT_MIN_SIZE:
66ca4fc9 1681 if ((min_size = parse_size_arg(min_size_arg, 'b', "min-size", 0, -1, False)) < 0)
74de13d1 1682 return 0;
da7a3506 1683 min_size_arg = strdup(do_big_num(min_size, 0, NULL));
74de13d1
WD		 1684 break;
1685
11eb67ee 1686 case OPT_BWLIMIT: {
66ca4fc9 1687 ssize_t size = parse_size_arg(bwlimit_arg, 'K', "bwlimit", 512, -1, True);
11eb67ee
WD		 1688 if (size < 0)
1689 return 0;
da7a3506 1690 bwlimit_arg = strdup(do_big_num(size, 0, NULL));
11eb67ee 1691 bwlimit = (size + 512) / 1024;
ce795fcd 1692 break;
11eb67ee 1693 }
ce795fcd 1694
936fa865
WD		 1695 case OPT_APPEND:
1696 if (am_server)
1697 append_mode++;
1698 else
1699 append_mode = 1;
1700 break;
1701
59c95e42 1702 case OPT_LINK_DEST:
1d6c9676 1703 want_dest_type = LINK_DEST;
e012f858 1704 goto set_dest_dir;
59c95e42 1705
1de3e99b 1706 case OPT_COPY_DEST:
1d6c9676 1707 want_dest_type = COPY_DEST;
1de3e99b
WD		 1708 goto set_dest_dir;
1709
e012f858 1710 case OPT_COMPARE_DEST:
1d6c9676
WD		 1711 want_dest_type = COMPARE_DEST;
1712
e012f858 1713 set_dest_dir:
1d6c9676
WD		 1714 if (alt_dest_type && alt_dest_type != want_dest_type) {
1715 snprintf(err_buf, sizeof err_buf,
1716 "ERROR: the %s option conflicts with the %s option\n",
cdf58a7a 1717 alt_dest_opt(want_dest_type), alt_dest_opt(0));
1d6c9676
WD		 1718 return 0;
1719 }
1720 alt_dest_type = want_dest_type;
1721
3b26bba0 1722 if (basis_dir_cnt >= MAX_BASIS_DIRS) {
e012f858
WD		 1723 snprintf(err_buf, sizeof err_buf,
1724 "ERROR: at most %d %s args may be specified\n",
cdf58a7a 1725 MAX_BASIS_DIRS, alt_dest_opt(0));
e012f858
WD		 1726 return 0;
1727 }
ad77db8b
WD		 1728 /* We defer sanitizing this arg until we know what
1729 * our destination directory is going to be. */
1730 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
e012f858
WD		 1731 break;
1732
e16adcdf
WD		 1733 case OPT_CHMOD:
1734 arg = poptGetOptArg(pc);
bbe42182 1735 if (!parse_chmod(arg, &chmod_modes)) {
e16adcdf 1736 snprintf(err_buf, sizeof err_buf,
e63ff70e
WD		 1737 "Invalid argument passed to --chmod (%s)\n",
1738 arg);
e16adcdf
WD		 1739 return 0;
1740 }
1741 break;
1742
951e826b
WD		 1743 case OPT_INFO:
1744 arg = poptGetOptArg(pc);
1745 parse_output_words(info_words, info_levels, arg, USER_PRIORITY);
1746 break;
1747
1748 case OPT_DEBUG:
1749 arg = poptGetOptArg(pc);
1750 parse_output_words(debug_words, debug_levels, arg, USER_PRIORITY);
1751 break;
1752
2df20057
WD		 1753 case OPT_USERMAP:
1754 if (usermap) {
1755 if (usermap_via_chown) {
1756 snprintf(err_buf, sizeof err_buf,
e63ff70e 1757 "--usermap conflicts with prior --chown.\n");
2df20057
WD		 1758 return 0;
1759 }
1760 snprintf(err_buf, sizeof err_buf,
e63ff70e 1761 "You can only specify --usermap once.\n");
2df20057
WD		 1762 return 0;
1763 }
1764 usermap = (char *)poptGetOptArg(pc);
1765 usermap_via_chown = False;
7956070f 1766 preserve_uid = 1;
2df20057
WD		 1767 break;
1768
1769 case OPT_GROUPMAP:
1770 if (groupmap) {
1771 if (groupmap_via_chown) {
1772 snprintf(err_buf, sizeof err_buf,
e63ff70e 1773 "--groupmap conflicts with prior --chown.\n");
2df20057
WD		 1774 return 0;
1775 }
1776 snprintf(err_buf, sizeof err_buf,
e63ff70e 1777 "You can only specify --groupmap once.\n");
2df20057
WD		 1778 return 0;
1779 }
1780 groupmap = (char *)poptGetOptArg(pc);
1781 groupmap_via_chown = False;
7956070f 1782 preserve_gid = 1;
2df20057
WD		 1783 break;
1784
1785 case OPT_CHOWN: {
1786 const char *chown = poptGetOptArg(pc);
1787 int len;
1788 if ((arg = strchr(chown, ':')) != NULL)
1789 len = arg++ - chown;
1790 else
1791 len = strlen(chown);
1792 if (len) {
1793 if (usermap) {
1794 if (!usermap_via_chown) {
1795 snprintf(err_buf, sizeof err_buf,
e63ff70e 1796 "--chown conflicts with prior --usermap.\n");
2df20057
WD		 1797 return 0;
1798 }
1799 snprintf(err_buf, sizeof err_buf,
e63ff70e 1800 "You can only specify a user-affecting --chown once.\n");
2df20057
WD		 1801 return 0;
1802 }
1803 if (asprintf(&usermap, "*:%.*s", len, chown) < 0)
1804 out_of_memory("parse_arguments");
1805 usermap_via_chown = True;
7956070f 1806 preserve_uid = 1;
2df20057
WD		 1807 }
1808 if (arg && *arg) {
1809 if (groupmap) {
1810 if (!groupmap_via_chown) {
1811 snprintf(err_buf, sizeof err_buf,
e63ff70e 1812 "--chown conflicts with prior --groupmap.\n");
2df20057
WD		 1813 return 0;
1814 }
1815 snprintf(err_buf, sizeof err_buf,
e63ff70e 1816 "You can only specify a group-affecting --chown once.\n");
2df20057
WD		 1817 return 0;
1818 }
1819 if (asprintf(&groupmap, "*:%s", arg) < 0)
1820 out_of_memory("parse_arguments");
1821 groupmap_via_chown = True;
7956070f 1822 preserve_gid = 1;
2df20057
WD		 1823 }
1824 break;
1825 }
1826
f5a910dd
WD		 1827 case OPT_HELP:
1828 usage(FINFO);
1829 exit_cleanup(0);
1830
1c3344a1
WD		 1831 case 'A':
1832#ifdef SUPPORT_ACLS
1833 preserve_acls = 1;
1834 preserve_perms = 1;
1835 break;
1836#else
1837 /* FIXME: this should probably be ignored with a
eb8f5c74
WD		 1838 * warning and then countermeasures taken to
1839 * restrict group and other access in the presence
1840 * of any more restrictive ACLs, but this is safe
1c3344a1
WD		 1841 * for now */
1842 snprintf(err_buf,sizeof(err_buf),
8475e0e4 1843 "ACLs are not supported on this %s\n",
1c3344a1
WD		 1844 am_server ? "server" : "client");
1845 return 0;
1846#endif
1847
16edf865
WD		 1848 case 'X':
1849#ifdef SUPPORT_XATTRS
524eaa82 1850 preserve_xattrs++;
16edf865
WD		 1851 break;
1852#else
1853 snprintf(err_buf,sizeof(err_buf),
1854 "extended attributes are not supported on this %s\n",
1855 am_server ? "server" : "client");
1856 return 0;
1857#endif
1c3344a1 1858
af531cf7
WD		 1859 case OPT_STOP_AFTER: {
1860 long val;
1861 arg = poptGetOptArg(pc);
1862 stop_at_utime = time(NULL);
91fff802 1863 if ((val = atol(arg) * 60) <= 0 || LONG_MAX - val < stop_at_utime || (long)(time_t)val != val) {
af531cf7
WD		 1864 snprintf(err_buf, sizeof err_buf, "invalid --stop-after value: %s\n", arg);
1865 return 0;
1866 }
1867 stop_at_utime += val;
1868 break;
1869 }
1870
1871#ifdef HAVE_MKTIME
1872 case OPT_STOP_AT:
1873 arg = poptGetOptArg(pc);
1874 if ((stop_at_utime = parse_time(arg)) == (time_t)-1) {
1875 snprintf(err_buf, sizeof err_buf, "invalid --stop-at format: %s\n", arg);
1876 return 0;
1877 }
1878 if (stop_at_utime <= time(NULL)) {
1879 snprintf(err_buf, sizeof err_buf, "--stop-at time is not in the future: %s\n", arg);
1880 return 0;
1881 }
1882 break;
1883#endif
1884
21ecc833
WD		 1885 case OPT_STDERR: {
1886 int len;
1887 arg = poptGetOptArg(pc);
1888 len = strlen(arg);
1889 if (len && strncmp("errors", arg, len) == 0)
1890 msgs2stderr = 2;
1891 else if (len && strncmp("all", arg, len) == 0)
1892 msgs2stderr = 1;
1893 else if (len && strncmp("client", arg, len) == 0)
1894 msgs2stderr = 0;
1895 else {
1896 snprintf(err_buf, sizeof err_buf,
1897 "--stderr mode \"%s\" is not one of errors, all, or client\n", arg);
1898 return 0;
1899 }
4adfdaaf 1900 saw_stderr_opt = 1;
21ecc833
WD		 1901 break;
1902 }
1903
d853783f 1904 default:
55afbb52 1905 /* A large opt value means that set_refuse_options()
3671987f 1906 * turned this option off. */
c67d1386 1907 if (opt >= OPT_REFUSED_BASE) {
3671987f
WD		 1908 create_refuse_error(opt);
1909 return 0;
27ed20f7 1910 }
3671987f
WD		 1911 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1912 am_server ? "on remote machine: " : "",
1913 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1914 poptStrerror(opt));
dfa32483 1915 return 0;
d853783f 1916 }
7a6421fa 1917 }
2855f61f 1918
4adfdaaf
WD		 1919 if (msgs2stderr != 2)
1920 saw_stderr_opt = 1;
1921
6b237b0f
WD		 1922 if (version_opt_cnt) {
1923 print_rsync_version(FINFO);
1924 exit_cleanup(0);
1925 }
1926
11eb67ee
WD		 1927 if (!max_alloc_arg) {
1928 max_alloc_arg = getenv("RSYNC_MAX_ALLOC");
1929 if (max_alloc_arg && !*max_alloc_arg)
1930 max_alloc_arg = NULL;
1931 }
1932 if (max_alloc_arg) {
66ca4fc9 1933 ssize_t size = parse_size_arg(max_alloc_arg, 'B', "max-alloc", 1024*1024, -1, True);
11eb67ee
WD		 1934 if (size < 0)
1935 return 0;
1936 max_alloc = size;
1937 }
1938
6b8db0f6 1939 if (old_style_args < 0) {
d9eaffe5
WD		 1940 if (!am_server && protect_args <= 0 && (arg = getenv("RSYNC_OLD_ARGS")) != NULL && *arg) {
1941 protect_args = 0;
635d8c06 1942 old_style_args = atoi(arg);
d9eaffe5 1943 } else
6b8db0f6 1944 old_style_args = 0;
d9eaffe5
WD		 1945 } else if (old_style_args) {
1946 if (protect_args > 0) {
1947 snprintf(err_buf, sizeof err_buf,
1948 "--protect-args conflicts with --old-args.\n");
1949 return 0;
1950 }
1951 protect_args = 0;
6b8db0f6
WD		 1952 }
1953
4c4a2962 1954 if (protect_args < 0) {
2b2a4738
WD		 1955 if (am_server)
1956 protect_args = 0;
1957 else if ((arg = getenv("RSYNC_PROTECT_ARGS")) != NULL && *arg)
1958 protect_args = atoi(arg) ? 1 : 0;
1959 else {
4c4a2962 1960#ifdef RSYNC_USE_PROTECTED_ARGS
4c4a2962 1961 protect_args = 1;
2b2a4738 1962#else
4c4a2962 1963 protect_args = 0;
2b2a4738
WD		 1964#endif
1965 }
4c4a2962
WD		 1966 }
1967
4f6c8c66 1968 if (checksum_choice && strcasecmp(checksum_choice, "auto") != 0 && strcasecmp(checksum_choice, "auto,auto") != 0) {
a5a7d3a2
WD		 1969 /* Call this early to verify the args and figure out if we need to force
1970 * --whole-file. Note that the parse function will get called again later,
1971 * just in case an "auto" choice needs to know the protocol_version. */
55bb4dab 1972 parse_checksum_choice(0);
a5a7d3a2
WD		 1973 } else
1974 checksum_choice = NULL;
1975
adc2476f 1976 if (human_readable > 1 && argc == 2 && !am_server) {
3ca9e5d8 1977 /* Allow the old meaning of 'h' (--help) on its own. */
05724c07
WD		 1978 usage(FINFO);
1979 exit_cleanup(0);
1980 }
1981
64d5ea39
WD		 1982 if (!compress_choice && do_compression > 1)
1983 compress_choice = "zlibx";
1984 if (compress_choice && strcasecmp(compress_choice, "auto") != 0)
4496e0e8 1985 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
64d5ea39
WD		 1986 else
1987 compress_choice = NULL;
1988
d999efe6
WD		 1989 if (do_compression || do_compression_level != CLVL_NOT_SPECIFIED) {
1990 if (!do_compression)
1991 do_compression = CPRES_AUTO;
22a3ac0b
WD		 1992 if (do_compression && refused_compress) {
1993 create_refuse_error(refused_compress);
1994 return 0;
1995 }
22a3ac0b
WD		 1996 }
1997
6686b93a
WD		 1998#ifdef HAVE_SETVBUF
1999 if (outbuf_mode && !am_server) {
2000 int mode = *(uchar *)outbuf_mode;
2001 if (islower(mode))
2002 mode = toupper(mode);
2003 fflush(stdout); /* Just in case... */
2004 switch (mode) {
2005 case 'N': /* None */
2006 case 'U': /* Unbuffered */
2007 mode = _IONBF;
2008 break;
2009 case 'L': /* Line */
2010 mode = _IOLBF;
2011 break;
2012 case 'B': /* Block */
2013 case 'F': /* Full */
2014 mode = _IOFBF;
2015 break;
2016 default:
2017 snprintf(err_buf, sizeof err_buf,
2018 "Invalid --outbuf setting -- specify N, L, or B.\n");
2019 return 0;
2020 }
2021 setvbuf(stdout, (char *)NULL, mode, 0);
2022 }
0dfd2a64 2023
d8941be8 2024 if (msgs2stderr == 1) { /* Are all messages going to stderr? */
0dfd2a64
WD		 2025 /* Make stderr line buffered for better sharing of the stream. */
2026 fflush(stderr); /* Just in case... */
2027 setvbuf(stderr, (char *)NULL, _IOLBF, 0);
2028 }
6686b93a
WD		 2029#endif
2030
951e826b
WD		 2031 set_output_verbosity(verbose, DEFAULT_PRIORITY);
2032
abd32c95 2033 if (do_stats) {
951e826b
WD		 2034 parse_output_words(info_words, info_levels,
2035 verbose > 1 ? "stats3" : "stats2", DEFAULT_PRIORITY);
2036 }
2037
332cf6df 2038#ifdef ICONV_OPTION
a4453606 2039 if (iconv_opt && protect_args != 2) {
332cf6df
WD		 2040 if (!am_server && strcmp(iconv_opt, "-") == 0)
2041 iconv_opt = NULL;
2042 else
2043 need_unsorted_flist = 1;
2044 }
0b52f94d
WD		 2045 if (refused_no_iconv && !iconv_opt) {
2046 create_refuse_error(refused_no_iconv);
2047 return 0;
2048 }
332cf6df
WD		 2049#endif
2050
48b51d00
WD		 2051 if (fuzzy_basis > 1)
2052 fuzzy_basis = basis_dir_cnt + 1;
2053
77063038
JO		 2054 /* Don't let the client reset protect_args if it was already processed */
2055 if (orig_protect_args == 2 && am_server)
2056 protect_args = orig_protect_args;
2057
53936ef9
WD		 2058 if (protect_args == 1 && am_server)
2059 return 1;
a4453606 2060
73cb6738
WD		 2061 *argv_p = argv = poptGetArgs(pc);
2062 *argc_p = argc = count_args(argv);
2063
4f5b0756 2064#ifndef SUPPORT_LINKS
54e87b4b 2065 if (preserve_links && !am_sender) {
e1add893
WD		 2066 snprintf(err_buf, sizeof err_buf,
2067 "symlinks are not supported on this %s\n",
2068 am_server ? "server" : "client");
e1add893
WD		 2069 return 0;
2070 }
2071#endif
2072
4f5b0756 2073#ifndef SUPPORT_HARD_LINKS
e1add893
WD		 2074 if (preserve_hard_links) {
2075 snprintf(err_buf, sizeof err_buf,
2076 "hard links are not supported on this %s\n",
2077 am_server ? "server" : "client");
e1add893
WD		 2078 return 0;
2079 }
2080#endif
2081
cbbd8e2e
WD		 2082#ifdef SUPPORT_XATTRS
2083 if (am_root < 0 && preserve_xattrs > 1) {
2084 snprintf(err_buf, sizeof err_buf,
2085 "--fake-super conflicts with -XX\n");
2086 return 0;
2087 }
2088#else
9439c0cb
WD		 2089 if (am_root < 0) {
2090 snprintf(err_buf, sizeof err_buf,
2091 "--fake-super requires an rsync with extended attributes enabled\n");
2092 return 0;
2093 }
2094#endif
2095
088aac85 2096 if (write_batch && read_batch) {
c3ea0990 2097 snprintf(err_buf, sizeof err_buf,
36119893 2098 "--write-batch and --read-batch can not be used together\n");
c3ea0990 2099 return 0;
088aac85 2100 }
11e758a4 2101 if (write_batch > 0 || read_batch) {
94327ff0
WD		 2102 if (am_server) {
2103 rprintf(FINFO,
2104 "ignoring --%s-batch option sent to server\n",
2105 write_batch ? "write" : "read");
2106 /* We don't actually exit_cleanup(), so that we can
2107 * still service older version clients that still send
2108 * batch args to server. */
2109 read_batch = write_batch = 0;
2110 batch_name = NULL;
254ee3ba
WD		 2111 } else if (dry_run)
2112 write_batch = 0;
69e2b4ee
WD		 2113 } else if (write_batch < 0 && dry_run)
2114 write_batch = 0;
36119893 2115 if (read_batch && files_from) {
c3ea0990 2116 snprintf(err_buf, sizeof err_buf,
36119893 2117 "--read-batch cannot be used with --files-from\n");
c3ea0990 2118 return 0;
36119893 2119 }
9eaba726
WD		 2120 if (read_batch && remove_source_files) {
2121 snprintf(err_buf, sizeof err_buf,
2122 "--read-batch cannot be used with --remove-%s-files\n",
2123 remove_source_files == 1 ? "source" : "sent");
2124 return 0;
2125 }
9b3318b0 2126 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
c3ea0990 2127 snprintf(err_buf, sizeof err_buf,
9b3318b0
WD		 2128 "the batch-file name must be %d characters or less.\n",
2129 MAX_BATCH_NAME_LEN);
c3ea0990 2130 return 0;
beb93684 2131 }
088aac85 2132
ce58b1b4 2133 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
c3ea0990
WD		 2134 snprintf(err_buf, sizeof err_buf,
2135 "the --temp-dir path is WAY too long.\n");
2136 return 0;
ce58b1b4
WD		 2137 }
2138
7b9598b2
WD		 2139 if (max_delete < 0 && max_delete != INT_MIN) {
2140 /* Negative numbers are treated as "no deletions". */
2141 max_delete = 0;
2142 }
2143
b6164938
WD		 2144 if (files_from) {
2145 if (recurse == 1) /* preserve recurse == 2 */
2146 recurse = 0;
550d4e23 2147 if (xfer_dirs < 0)
b6164938 2148 xfer_dirs = 1;
dfa32483 2149 }
51d48398 2150
20893751 2151 if (argc < 2 && !read_batch && !am_server)
73cb6738
WD		 2152 list_only |= 1;
2153
2154 if (xfer_dirs >= 4) {
c8fa85b2 2155 parse_filter_str(&filter_list, "- /*/*", rule_template(0), 0);
73cb6738
WD		 2156 recurse = xfer_dirs = 1;
2157 } else if (recurse)
2158 xfer_dirs = 1;
2159 else if (xfer_dirs < 0)
2160 xfer_dirs = list_only ? 1 : 0;
dfa32483 2161
ea5164d1
WD		 2162 if (relative_paths < 0)
2163 relative_paths = files_from? 1 : 0;
89f2a4c2
WD		 2164 if (!relative_paths)
2165 implied_dirs = 0;
ea5164d1 2166
e0e32031 2167 if (delete_before + !!delete_during + delete_after > 1) {
3359acb8 2168 snprintf(err_buf, sizeof err_buf,
c6eb7fad 2169 "You may not combine multiple --delete-WHEN options.\n");
3359acb8
WD		 2170 return 0;
2171 }
f5a910dd 2172 if (delete_before || delete_during || delete_after)
51d48398 2173 delete_mode = 1;
3296f91b 2174 else if (delete_mode || delete_excluded) {
e0e32031 2175 /* Only choose now between before & during if one is refused. */
3296f91b 2176 if (refused_delete_before) {
e0e32031
WD		 2177 if (!refused_delete_during)
2178 delete_during = 1;
2179 else {
2180 create_refuse_error(refused_delete_before);
2181 return 0;
2182 }
2183 } else if (refused_delete_during)
2184 delete_before = 1;
2185 delete_mode = 1;
3296f91b 2186 }
89fb5026
WD		 2187 if (!xfer_dirs && delete_mode) {
2188 snprintf(err_buf, sizeof err_buf,
44d7d045 2189 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
89fb5026 2190 return 0;
f5a910dd 2191 }
51d48398 2192
42d8ec61
WD		 2193 if (missing_args == 3) /* simplify if both options were specified */
2194 missing_args = 2;
2195 if (refused_delete && (delete_mode || missing_args == 2)) {
3671987f
WD		 2196 create_refuse_error(refused_delete);
2197 return 0;
2198 }
2199
47c11975
WD		 2200 if (remove_source_files) {
2201 /* We only want to infer this refusal of --remove-source-files
07c6ae7d
WD		 2202 * via the refusal of "delete", not any of the "delete-FOO"
2203 * options. */
2204 if (refused_delete && am_sender) {
2205 create_refuse_error(refused_delete);
2206 return 0;
2207 }
2208 need_messages_from_generator = 1;
2209 }
2210
41adbcec
WD		 2211 if (munge_symlinks && !am_daemon) {
2212 STRUCT_STAT st;
2213 char prefix[SYMLINK_PREFIX_LEN]; /* NOT +1 ! */
2214 strlcpy(prefix, SYMLINK_PREFIX, sizeof prefix); /* trim the trailing slash */
2215 if (do_stat(prefix, &st) == 0 && S_ISDIR(st.st_mode)) {
2216 rprintf(FERROR, "Symlink munging is unsafe when a %s directory exists.\n",
2217 prefix);
2218 exit_cleanup(RERR_UNSUPPORTED);
2219 }
2220 }
2221
7be73df4
WD		 2222 if (sanitize_paths) {
2223 int i;
ffbffc64 2224 for (i = argc; i-- > 0; )
d48810ba 2225 argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1a7f3d99 2226 if (tmpdir)
d48810ba 2227 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1a7f3d99 2228 if (backup_dir)
d48810ba 2229 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
7be73df4 2230 }
819bfe45 2231 if (daemon_filter_list.head && !am_sender) {
7b6c5c77 2232 filter_rule_list *elp = &daemon_filter_list;
c3ea0990 2233 if (tmpdir) {
a1018691 2234 char *dir;
3671987f
WD		 2235 if (!*tmpdir)
2236 goto options_rejected;
a1018691
WD		 2237 dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
2238 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2239 if (check_filter(elp, FLOG, dir, 1) < 0)
c3ea0990
WD		 2240 goto options_rejected;
2241 }
c3ea0990 2242 if (backup_dir) {
a1018691 2243 char *dir;
3671987f
WD		 2244 if (!*backup_dir)
2245 goto options_rejected;
a1018691
WD		 2246 dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
2247 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2248 if (check_filter(elp, FLOG, dir, 1) < 0)
f0fa8c6d 2249 goto options_rejected;
c3ea0990
WD		 2250 }
2251 }
7be73df4 2252
d175d7e1 2253 if (!backup_suffix)
e0391f81 2254 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
d175d7e1 2255 backup_suffix_len = strlen(backup_suffix);
80ddadb7 2256 if (strchr(backup_suffix, '/') != NULL) {
c3ea0990
WD		 2257 snprintf(err_buf, sizeof err_buf,
2258 "--suffix cannot contain slashes: %s\n",
80ddadb7 2259 backup_suffix);
c3ea0990 2260 return 0;
80ddadb7 2261 }
e0391f81 2262 if (backup_dir) {
14ebc5b6 2263 size_t len;
e4c9ff58 2264 make_backups = 1; /* --backup-dir implies --backup */
3696674b
WD		 2265 while (*backup_dir == '.' && backup_dir[1] == '/')
2266 backup_dir += 2;
2267 if (*backup_dir == '.' && backup_dir[1] == '\0')
2268 backup_dir++;
14ebc5b6
WD		 2269 len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
2270 if (len > sizeof backup_dir_buf - 128) {
c3ea0990
WD		 2271 snprintf(err_buf, sizeof err_buf,
2272 "the --backup-dir path is WAY too long.\n");
2273 return 0;
e0391f81 2274 }
14ebc5b6 2275 backup_dir_len = (int)len;
4e9c7fae
WD		 2276 if (!backup_dir_len) {
2277 backup_dir_len = -1;
2278 backup_dir = NULL;
2279 } else if (backup_dir_buf[backup_dir_len - 1] != '/') {
e0391f81
WD		 2280 backup_dir_buf[backup_dir_len++] = '/';
2281 backup_dir_buf[backup_dir_len] = '\0';
2282 }
14ebc5b6 2283 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
4e9c7fae
WD		 2284 }
2285 if (backup_dir) {
2286 /* No need for a suffix or a protect rule. */
8dcf9335 2287 } else if (!backup_suffix_len && (!am_server || !am_sender)) {
c3ea0990 2288 snprintf(err_buf, sizeof err_buf,
4e9c7fae
WD		 2289 "--suffix cannot be empty %s\n", backup_dir_len < 0
2290 ? "when --backup-dir is the same as the dest dir"
2291 : "without a --backup-dir");
c3ea0990 2292 return 0;
eb8f5c74
WD		 2293 } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
2294 snprintf(backup_dir_buf, sizeof backup_dir_buf,
f41152d3 2295 "P *%s", backup_suffix);
c8fa85b2 2296 parse_filter_str(&filter_list, backup_dir_buf, rule_template(0), 0);
d175d7e1 2297 }
fbd91cae 2298
b774dbc1
WD		 2299 if (make_backups && !backup_dir)
2300 omit_dir_times = -1; /* Implied, so avoid -O to sender. */
d175d7e1 2301
b3e4e7ef
WD		 2302 if (stdout_format) {
2303 if (am_server && log_format_has(stdout_format, 'I'))
2304 stdout_format_has_i = 2;
2305 else if (log_format_has(stdout_format, 'i'))
2306 stdout_format_has_i = itemize_changes | 1;
2307 if (!log_format_has(stdout_format, 'b')
886df221
WD		 2308 && !log_format_has(stdout_format, 'c')
2309 && !log_format_has(stdout_format, 'C'))
e7651884
WD		 2310 log_before_transfer = !am_server;
2311 } else if (itemize_changes) {
b3e4e7ef
WD		 2312 stdout_format = "%i %n%L";
2313 stdout_format_has_i = itemize_changes;
e7651884
WD		 2314 log_before_transfer = !am_server;
2315 }
87383697 2316
951e826b
WD		 2317 if (do_progress && !am_server) {
2318 if (!log_before_transfer && INFO_EQ(NAME, 0))
2319 parse_output_words(info_words, info_levels, "name", DEFAULT_PRIORITY);
2320 parse_output_words(info_words, info_levels, "flist2,progress", DEFAULT_PRIORITY);
bb4e4d88 2321 }
87383697 2322
11e758a4
WD		 2323 if (dry_run)
2324 do_xfers = 0;
2325
9ac756c6
WD		 2326 set_io_timeout(io_timeout);
2327
951e826b 2328 if (INFO_GTE(NAME, 1) && !stdout_format) {
b3e4e7ef 2329 stdout_format = "%n%L";
87383697 2330 log_before_transfer = !am_server;
3671987f 2331 }
b3e4e7ef
WD		 2332 if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
2333 stdout_format_has_o_or_i = 1;
e2559dbe 2334
232658d9 2335 if (logfile_name && !am_daemon) {
b3e4e7ef 2336 if (!logfile_format) {
232658d9 2337 logfile_format = "%i %n%L";
87c0f9d6 2338 logfile_format_has_i = logfile_format_has_o_or_i = 1;
b3e4e7ef
WD		 2339 } else {
2340 if (log_format_has(logfile_format, 'i'))
19b85876 2341 logfile_format_has_i = 1;
b3e4e7ef
WD		 2342 if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
2343 logfile_format_has_o_or_i = 1;
87c0f9d6 2344 }
6dc9b74b 2345 log_init(0);
2873603a
WD		 2346 } else if (!am_daemon)
2347 logfile_format = NULL;
87c0f9d6 2348
9fb08441
WD		 2349 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
2350 bwlimit = daemon_bwlimit;
3c74c3a3
WD		 2351 if (bwlimit) {
2352 bwlimit_writemax = (size_t)bwlimit * 128;
2353 if (bwlimit_writemax < 512)
2354 bwlimit_writemax = 512;
2355 }
2356
a015788d
WD		 2357 if (append_mode) {
2358 if (whole_file > 0) {
2359 snprintf(err_buf, sizeof err_buf,
2360 "--append cannot be used with --whole-file\n");
2361 return 0;
2362 }
2363 if (refused_inplace) {
2364 create_refuse_error(refused_inplace);
2365 return 0;
2366 }
2367 inplace = 1;
2368 }
2369
9e9d33a2
WD		 2370 if (write_devices) {
2371 if (refused_inplace) {
2372 create_refuse_error(refused_inplace);
2373 return 0;
2374 }
2375 inplace = 1;
2376 }
2377
f06e7082 2378 if (delay_updates && !partial_dir)
77860bac 2379 partial_dir = tmp_partialdir;
f06e7082 2380
a3221d2a 2381 if (inplace) {
4f5b0756 2382#ifdef HAVE_FTRUNCATE
a7260c40
WD		 2383 if (partial_dir) {
2384 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2385 "--%s cannot be used with --%s\n",
2386 append_mode ? "append" : "inplace",
f06e7082 2387 delay_updates ? "delay-updates" : "partial-dir");
a7260c40
WD		 2388 return 0;
2389 }
3671987f
WD		 2390 /* --inplace implies --partial for refusal purposes, but we
2391 * clear the keep_partial flag for internal logic purposes. */
2392 if (refused_partial) {
2393 create_refuse_error(refused_partial);
2394 return 0;
2395 }
a3221d2a 2396 keep_partial = 0;
ded4daf0
WD		 2397#else
2398 snprintf(err_buf, sizeof err_buf,
a015788d
WD		 2399 "--%s is not supported on this %s\n",
2400 append_mode ? "append" : "inplace",
ded4daf0
WD		 2401 am_server ? "server" : "client");
2402 return 0;
2403#endif
075aa18f 2404 } else {
bc880cb8 2405 if (keep_partial && !partial_dir && !am_server) {
3671987f
WD		 2406 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
2407 partial_dir = strdup(arg);
2408 }
075aa18f 2409 if (partial_dir) {
3671987f 2410 if (*partial_dir)
b58bfb2f 2411 clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
075aa18f
WD		 2412 if (!*partial_dir || strcmp(partial_dir, ".") == 0)
2413 partial_dir = NULL;
3671987f
WD		 2414 if (!partial_dir && refused_partial) {
2415 create_refuse_error(refused_partial);
2416 return 0;
2417 }
075aa18f
WD		 2418 keep_partial = 1;
2419 }
a3221d2a
WD		 2420 }
2421
ea5164d1 2422 if (files_from) {
305666bf
WD		 2423 char *h, *p;
2424 int q;
da7acc5e 2425 if (argc > 2 || (!am_daemon && !am_server && argc == 1)) {
ea5164d1
WD		 2426 usage(FERROR);
2427 exit_cleanup(RERR_SYNTAX);
2428 }
63596e1c 2429 if (strcmp(files_from, "-") == 0) {
ea5164d1 2430 filesfrom_fd = 0;
63596e1c 2431 if (am_server)
305666bf
WD		 2432 filesfrom_host = ""; /* reading from socket */
2433 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
ea5164d1 2434 if (am_server) {
305666bf
WD		 2435 snprintf(err_buf, sizeof err_buf,
2436 "The --files-from sent to the server cannot specify a host.\n");
2437 return 0;
ea5164d1 2438 }
305666bf
WD		 2439 files_from = p;
2440 filesfrom_host = h;
2441 if (strcmp(files_from, "-") == 0) {
c3ea0990
WD		 2442 snprintf(err_buf, sizeof err_buf,
2443 "Invalid --files-from remote filename\n");
2444 return 0;
ea5164d1
WD		 2445 }
2446 } else {
305666bf 2447 if (sanitize_paths)
d48810ba 2448 files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
819bfe45 2449 if (daemon_filter_list.head) {
a1018691 2450 char *dir;
305666bf
WD		 2451 if (!*files_from)
2452 goto options_rejected;
a1018691
WD		 2453 dir = files_from + (*files_from == '/' ? module_dirlen : 0);
2454 clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1df02d13 2455 if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
305666bf
WD		 2456 goto options_rejected;
2457 }
ea5164d1
WD		 2458 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
2459 if (filesfrom_fd < 0) {
c3ea0990
WD		 2460 snprintf(err_buf, sizeof err_buf,
2461 "failed to open files-from file %s: %s\n",
2462 files_from, strerror(errno));
2463 return 0;
ea5164d1
WD		 2464 }
2465 }
2466 }
2467
7f2a1f65
WD		 2468 am_starting_up = 0;
2469
b11ed3b1 2470 return 1;
f0fa8c6d
WD		 2471
2472 options_rejected:
2473 snprintf(err_buf, sizeof err_buf,
2474 "Your options have been rejected by the server.\n");
2475 return 0;
7a6421fa
AT		 2476}
2477
2478
6b8db0f6
WD		 2479static char SPLIT_ARG_WHEN_OLD[1];
2480
2481/**
2482 * Do backslash quoting of any weird chars in "arg", append the resulting
2483 * string to the end of the "opt" (which gets a "=" appended if it is not
2484 * an empty or NULL string), and return the (perhaps malloced) result.
2485 * If opt is NULL, arg is considered a filename arg that allows wildcards.
2486 * If it is "" or any other value, it is considered an option.
2487 **/
2488char *safe_arg(const char *opt, const char *arg)
2489{
2490#define SHELL_CHARS "!#$&;|<>(){}\"' \t\\"
2491#define WILD_CHARS "*?[]" /* We don't allow remote brace expansion */
2492 BOOL is_filename_arg = !opt;
2493 char *escapes = is_filename_arg ? SHELL_CHARS : WILD_CHARS SHELL_CHARS;
2494 BOOL escape_leading_dash = is_filename_arg && *arg == '-';
2495 int len1 = opt && *opt ? strlen(opt) + 1 : 0;
2496 int len2 = strlen(arg);
2497 int extras = escape_leading_dash ? 2 : 0;
2498 char *ret;
635d8c06 2499 if (!protect_args && old_style_args < 2 && (!old_style_args || (!is_filename_arg && opt != SPLIT_ARG_WHEN_OLD))) {
6b8db0f6
WD		 2500 const char *f;
2501 for (f = arg; *f; f++) {
2502 if (strchr(escapes, *f))
2503 extras++;
2504 }
2505 }
2506 if (!len1 && !extras)
2507 return (char*)arg;
2508 ret = new_array(char, len1 + len2 + extras + 1);
2509 if (len1) {
2510 memcpy(ret, opt, len1-1);
2511 ret[len1-1] = '=';
2512 }
2513 if (escape_leading_dash) {
2514 ret[len1++] = '.';
2515 ret[len1++] = '/';
2516 extras -= 2;
2517 }
2518 if (!extras)
2519 memcpy(ret + len1, arg, len2);
2520 else {
2521 const char *f = arg;
2522 char *t = ret + len1;
2523 while (*f) {
2524 if (strchr(escapes, *f))
2525 *t++ = '\\';
2526 *t++ = *f++;
2527 }
2528 }
2529 ret[len1+len2+extras] = '\0';
2530 return ret;
2531}
2532
2533
dafe63ca
MP		 2534/**
2535 * Construct a filtered list of options to pass through from the
2536 * client to the server.
2537 *
2538 * This involves setting options that will tell the server how to
2539 * behave, and also filtering out options that are processed only
2540 * locally.
2541 **/
ffbffc64 2542void server_options(char **args, int *argc_p)
7a6421fa 2543{
74ba98a5 2544 static char argstr[64];
ffbffc64 2545 int ac = *argc_p;
d239efa3 2546 uchar where;
f98c60bf 2547 char *arg;
d853783f
AT		 2548 int i, x;
2549
def97ff9 2550 /* This should always remain first on the server's command-line. */
d853783f
AT		 2551 args[ac++] = "--server";
2552
2553 if (!am_sender)
2554 args[ac++] = "--sender";
2555
2556 x = 1;
2557 argstr[0] = '-';
a4453606
WD		 2558
2559 if (protect_args)
2560 argstr[x++] = 's';
2561
f98c60bf 2562 for (i = 0; i < verbose; i++)
d853783f 2563 argstr[x++] = 'v';
f0b36a48 2564
c0268d92
WD		 2565 if (quiet && msgs2stderr)
2566 argstr[x++] = 'q';
d853783f
AT		 2567 if (make_backups)
2568 argstr[x++] = 'b';
2569 if (update_only)
2570 argstr[x++] = 'u';
2dbf36ef 2571 if (!do_xfers) /* Note: NOT "dry_run"! */
d853783f
AT		 2572 argstr[x++] = 'n';
2573 if (preserve_links)
2574 argstr[x++] = 'l';
73cb6738
WD		 2575 if ((xfer_dirs >= 2 && xfer_dirs < 4)
2576 || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
5454d22a 2577 argstr[x++] = 'd';
35bf8fa0
WD		 2578 if (am_sender) {
2579 if (keep_dirlinks)
2580 argstr[x++] = 'K';
876c9936
WD		 2581 if (prune_empty_dirs)
2582 argstr[x++] = 'm';
b774dbc1 2583 if (omit_dir_times > 0)
35bf8fa0 2584 argstr[x++] = 'O';
2624e005
WD		 2585 if (omit_link_times)
2586 argstr[x++] = 'J';
48b51d00
WD		 2587 if (fuzzy_basis) {
2588 argstr[x++] = 'y';
2589 if (fuzzy_basis > 1)
2590 argstr[x++] = 'y';
2591 }
2dbf36ef
WD		 2592 } else {
2593 if (copy_links)
2594 argstr[x++] = 'L';
2595 if (copy_dirlinks)
2596 argstr[x++] = 'k';
35bf8fa0 2597 }
1bfbf40b 2598
dfa32483 2599 if (whole_file > 0)
d853783f 2600 argstr[x++] = 'W';
bceec82f
MP		 2601 /* We don't need to send --no-whole-file, because it's the
2602 * default for remote transfers, and in any case old versions
2603 * of rsync will not understand it. */
dfa32483 2604
e0e32031 2605 if (preserve_hard_links) {
d853783f 2606 argstr[x++] = 'H';
e0e32031
WD		 2607 if (preserve_hard_links > 1)
2608 argstr[x++] = 'H';
2609 }
d853783f
AT		 2610 if (preserve_uid)
2611 argstr[x++] = 'o';
2612 if (preserve_gid)
2613 argstr[x++] = 'g';
b5c6a6ae 2614 if (preserve_devices) /* ignore preserve_specials here */
d853783f 2615 argstr[x++] = 'D';
b774dbc1 2616 if (preserve_mtimes)
d853783f 2617 argstr[x++] = 't';
b9367410
WD		 2618 if (preserve_atimes) {
2619 argstr[x++] = 'U';
2620 if (preserve_atimes > 1)
2621 argstr[x++] = 'U';
2622 }
974f49e2
WD		 2623#ifdef SUPPORT_CRTIMES
2624 if (preserve_crtimes)
2625 argstr[x++] = 'N';
2626#endif
d853783f
AT		 2627 if (preserve_perms)
2628 argstr[x++] = 'p';
344f9ba7
WD		 2629 else if (preserve_executability && am_sender)
2630 argstr[x++] = 'E';
1c3344a1
WD		 2631#ifdef SUPPORT_ACLS
2632 if (preserve_acls)
2633 argstr[x++] = 'A';
16edf865
WD		 2634#endif
2635#ifdef SUPPORT_XATTRS
524eaa82 2636 if (preserve_xattrs) {
16edf865 2637 argstr[x++] = 'X';
524eaa82
WD		 2638 if (preserve_xattrs > 1)
2639 argstr[x++] = 'X';
2640 }
1c3344a1 2641#endif
aa7a6e87 2642 if (recurse)
d853783f
AT		 2643 argstr[x++] = 'r';
2644 if (always_checksum)
2645 argstr[x++] = 'c';
2646 if (cvs_exclude)
2647 argstr[x++] = 'C';
2648 if (ignore_times)
2649 argstr[x++] = 'I';
2650 if (relative_paths)
2651 argstr[x++] = 'R';
243c995f 2652 if (one_file_system) {
d853783f 2653 argstr[x++] = 'x';
243c995f
WD		 2654 if (one_file_system > 1)
2655 argstr[x++] = 'x';
2656 }
d853783f
AT		 2657 if (sparse_files)
2658 argstr[x++] = 'S';
4496e0e8 2659 if (do_compression == CPRES_ZLIB)
d853783f 2660 argstr[x++] = 'z';
f0b36a48 2661
29703623
WD		 2662 set_allow_inc_recurse();
2663
25526eb3
WD		 2664 /* This '\0'-terminates argstr and makes sure it didn't overflow. */
2665 x += maybe_add_e_option(argstr + x, (int)sizeof argstr - x);
951e826b 2666
6d301fa3
WD		 2667 if (x > 1)
2668 args[ac++] = argstr;
d853783f 2669
a4453606
WD		 2670#ifdef ICONV_OPTION
2671 if (iconv_opt) {
2672 char *set = strchr(iconv_opt, ',');
2673 if (set)
2674 set++;
2675 else
2676 set = iconv_opt;
6b8db0f6 2677 args[ac++] = safe_arg("--iconv", set);
a4453606
WD		 2678 }
2679#endif
2680
53936ef9 2681 if (protect_args && !local_server) /* unprotected args stop here */
a4453606
WD		 2682 args[ac++] = NULL;
2683
51d48398
WD		 2684 if (list_only > 1)
2685 args[ac++] = "--list-only";
2686
f5a910dd
WD		 2687 /* This makes sure that the remote rsync can handle deleting with -d
2688 * sans -r because the --no-r option was added at the same time. */
2689 if (xfer_dirs && !recurse && delete_mode && am_sender)
2690 args[ac++] = "--no-r";
2691
d999efe6
WD		 2692 if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
2693 if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
854a1aad
WD		 2694 goto oom;
2695 args[ac++] = arg;
2696 }
2697
b5c6a6ae
WD		 2698 if (preserve_devices) {
2699 /* Note: sending "--devices" would not be backward-compatible. */
2700 if (!preserve_specials)
2701 args[ac++] = "--no-specials"; /* -D is already set. */
2702 } else if (preserve_specials)
2703 args[ac++] = "--specials";
2704
5c5e1598
WD		 2705 /* The server side doesn't use our log-format, but in certain
2706 * circumstances they need to know a little about the option. */
b3e4e7ef
WD		 2707 if (stdout_format && am_sender) {
2708 /* Use --log-format, not --out-format, for compatibility. */
2709 if (stdout_format_has_i > 1)
487094a0 2710 args[ac++] = "--log-format=%i%I";
b3e4e7ef 2711 else if (stdout_format_has_i)
684d7582 2712 args[ac++] = "--log-format=%i";
b3e4e7ef 2713 else if (stdout_format_has_o_or_i)
5c5e1598
WD		 2714 args[ac++] = "--log-format=%o";
2715 else if (!verbose)
2716 args[ac++] = "--log-format=X";
2717 }
1f30a674 2718
592059c8
WD		 2719 if (msgs2stderr == 1)
2720 args[ac++] = "--msgs2stderr";
2721 else if (msgs2stderr == 0)
2722 args[ac++] = "--no-msgs2stderr";
2723
195bd906 2724 if (block_size) {
da7a3506 2725 if (asprintf(&arg, "-B%u", (int)block_size) < 0)
f98c60bf
WD		 2726 goto oom;
2727 args[ac++] = arg;
dfa32483 2728 }
d853783f
AT		 2729
2730 if (io_timeout) {
f98c60bf
WD		 2731 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
2732 goto oom;
2733 args[ac++] = arg;
dfa32483 2734 }
d853783f 2735
ef5d23eb 2736 if (bwlimit) {
f98c60bf
WD		 2737 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
2738 goto oom;
2739 args[ac++] = arg;
ef5d23eb
DD		 2740 }
2741
d175d7e1 2742 if (backup_dir) {
6b8db0f6 2743 /* This split idiom allows for ~/path expansion via the shell. */
d175d7e1 2744 args[ac++] = "--backup-dir";
6b8db0f6 2745 args[ac++] = safe_arg("", backup_dir);
d175d7e1
WD		 2746 }
2747
2748 /* Only send --suffix if it specifies a non-default value. */
6b8db0f6
WD		 2749 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0)
2750 args[ac++] = safe_arg("--suffix", backup_suffix);
d853783f 2751
6b8db0f6
WD		 2752 if (checksum_choice)
2753 args[ac++] = safe_arg("--checksum-choice", checksum_choice);
a5a7d3a2 2754
4496e0e8 2755 if (do_compression == CPRES_ZLIBX)
64d5ea39 2756 args[ac++] = "--new-compress";
4496e0e8 2757 else if (compress_choice && do_compression == CPRES_ZLIB)
64d5ea39 2758 args[ac++] = "--old-compress";
6b8db0f6
WD		 2759 else if (compress_choice)
2760 args[ac++] = safe_arg("--compress-choice", compress_choice);
64d5ea39 2761
06a50542 2762 if (am_sender) {
7b9598b2
WD		 2763 if (max_delete > 0) {
2764 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
2765 goto oom;
2766 args[ac++] = arg;
2767 } else if (max_delete == 0)
d6ca255c 2768 args[ac++] = "--max-delete=-1";
6b8db0f6
WD		 2769 if (min_size >= 0)
2770 args[ac++] = safe_arg("--min-size", min_size_arg);
2771 if (max_size >= 0)
2772 args[ac++] = safe_arg("--max-size", max_size_arg);
e0e32031 2773 if (delete_before)
c6eb7fad 2774 args[ac++] = "--delete-before";
0d152437
WD		 2775 else if (delete_during == 2)
2776 args[ac++] = "--delete-delay";
2777 else if (delete_during)
2778 args[ac++] = "--delete-during";
2779 else if (delete_after)
06a50542 2780 args[ac++] = "--delete-after";
e0e32031
WD		 2781 else if (delete_mode && !delete_excluded)
2782 args[ac++] = "--delete";
2783 if (delete_excluded)
2784 args[ac++] = "--delete-excluded";
06a50542
WD		 2785 if (force_delete)
2786 args[ac++] = "--force";
11e758a4
WD		 2787 if (write_batch < 0)
2788 args[ac++] = "--only-write-batch=X";
def97ff9
WD		 2789 if (am_root > 1)
2790 args[ac++] = "--super";
f17e769e
WD		 2791 if (size_only)
2792 args[ac++] = "--size-only";
dc6fb11b
WD		 2793 if (do_stats)
2794 args[ac++] = "--stats";
b1e436ec 2795 } else {
6b8db0f6
WD		 2796 if (skip_compress)
2797 args[ac++] = safe_arg("--skip-compress", skip_compress);
06a50542 2798 }
b33b791e 2799
6b8db0f6
WD		 2800 if (max_alloc_arg && max_alloc != DEFAULT_MAX_ALLOC)
2801 args[ac++] = safe_arg("--max-alloc", max_alloc_arg);
11eb67ee 2802
42d8ec61
WD		 2803 /* --delete-missing-args needs the cooperation of both sides, but
2804 * the sender can handle --ignore-missing-args by itself. */
2805 if (missing_args == 2)
ce66f417 2806 args[ac++] = "--delete-missing-args";
42d8ec61
WD		 2807 else if (missing_args == 1 && !am_sender)
2808 args[ac++] = "--ignore-missing-args";
ce66f417 2809
839dbff2
WD		 2810 if (modify_window_set && am_sender) {
2811 char *fmt = modify_window < 0 ? "-@%d" : "--modify-window=%d";
2812 if (asprintf(&arg, fmt, modify_window) < 0)
f98c60bf
WD		 2813 goto oom;
2814 args[ac++] = arg;
5b56cc19
AT		 2815 }
2816
c8d895de 2817 if (checksum_seed) {
221ddb94 2818 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
c8d895de
WD		 2819 goto oom;
2820 args[ac++] = arg;
2821 }
2822
a7260c40 2823 if (partial_dir && am_sender) {
77860bac 2824 if (partial_dir != tmp_partialdir) {
3671987f 2825 args[ac++] = "--partial-dir";
6b8db0f6 2826 args[ac++] = safe_arg("", partial_dir);
3671987f 2827 }
f06e7082
WD		 2828 if (delay_updates)
2829 args[ac++] = "--delay-updates";
77860bac 2830 } else if (keep_partial && am_sender)
d853783f
AT		 2831 args[ac++] = "--partial";
2832
ef55c686
AT		 2833 if (ignore_errors)
2834 args[ac++] = "--ignore-errors";
2835
b5313607
DD		 2836 if (copy_unsafe_links)
2837 args[ac++] = "--copy-unsafe-links";
2838
d853783f
AT		 2839 if (safe_symlinks)
2840 args[ac++] = "--safe-links";
2841
2842 if (numeric_ids)
2843 args[ac++] = "--numeric-ids";
2844
95def6d9
WD		 2845 if (use_qsort)
2846 args[ac++] = "--use-qsort";
2847
4f3797c7 2848 if (am_sender) {
6b8db0f6
WD		 2849 if (usermap)
2850 args[ac++] = safe_arg("--usermap", usermap);
2df20057 2851
6b8db0f6
WD		 2852 if (groupmap)
2853 args[ac++] = safe_arg("--groupmap", groupmap);
2df20057 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";
6b8db0f6 2864 args[ac++] = safe_arg("", tmpdir);
4f3797c7
WD		 2865 }
2866
82f023d7
WD		 2867 if (do_fsync)
2868 args[ac++] = "--fsync";
2869
4f3797c7
WD		 2870 if (basis_dir[0]) {
2871 /* the server only needs this option if it is not the sender,
2872 * and it may be an older version that doesn't know this
2873 * option, so don't send it if client is the sender.
2874 */
4f3797c7 2875 for (i = 0; i < basis_dir_cnt; i++) {
cdf58a7a 2876 args[ac++] = alt_dest_opt(0);
6b8db0f6 2877 args[ac++] = safe_arg("", basis_dir[i]);
4f3797c7
WD		 2878 }
2879 }
2880 }
e90aab49 2881
951e826b
WD		 2882 /* What flags do we need to send to the other side? */
2883 where = (am_server ? W_CLI : W_SRV) | (am_sender ? W_REC : W_SND);
2884 arg = make_output_option(info_words, info_levels, where);
2885 if (arg)
2886 args[ac++] = arg;
2887
936fa865
WD		 2888 if (append_mode) {
2889 if (append_mode > 1)
2890 args[ac++] = "--append";
a015788d 2891 args[ac++] = "--append";
ec57c57b 2892 } else if (inplace) {
a3221d2a 2893 args[ac++] = "--inplace";
ec57c57b 2894 /* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
f1a6998d 2895 if (sparse_files && !whole_file && am_sender)
ec57c57b
WD		 2896 args[ac++] = "--no-W";
2897 }
a3221d2a 2898
305666bf
WD		 2899 if (files_from && (!am_sender || filesfrom_host)) {
2900 if (filesfrom_host) {
ea5164d1 2901 args[ac++] = "--files-from";
6b8db0f6 2902 args[ac++] = safe_arg("", files_from);
ea5164d1
WD		 2903 if (eol_nulls)
2904 args[ac++] = "--from0";
2905 } else {
2906 args[ac++] = "--files-from=-";
2907 args[ac++] = "--from0";
2908 }
c0ab28d1
WD		 2909 if (!relative_paths)
2910 args[ac++] = "--no-relative";
ea5164d1 2911 }
33a04593
WD		 2912 /* It's OK that this checks the upper-bound of the protocol_version. */
2913 if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
3a90ea0a 2914 args[ac++] = "--no-implied-dirs";
ea5164d1 2915
7e70e484 2916 if (write_devices && am_sender)
9e9d33a2
WD		 2917 args[ac++] = "--write-devices";
2918
47c11975
WD		 2919 if (remove_source_files == 1)
2920 args[ac++] = "--remove-source-files";
2921 else if (remove_source_files)
07c6ae7d
WD		 2922 args[ac++] = "--remove-sent-files";
2923
8aa46511
WD		 2924 if (copy_devices && !am_sender)
2925 args[ac++] = "--copy-devices";
2926
28b519c9
WD		 2927 if (preallocate_files && am_sender)
2928 args[ac++] = "--preallocate";
2929
87257f86
WD		 2930 if (open_noatime && preserve_atimes <= 1)
2931 args[ac++] = "--open-noatime";
b9367410 2932
01742c07
WD		 2933 if (mkpath_dest_arg && am_sender)
2934 args[ac++] = "--mkpath";
2935
7a2eca41
WD		 2936 if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2937 rprintf(FERROR, "argc overflow in server_options().\n");
2938 exit_cleanup(RERR_MALLOC);
2939 }
2940
2941 if (remote_option_cnt) {
2942 int j;
2943 if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
2944 rprintf(FERROR, "too many remote options specified.\n");
2945 exit_cleanup(RERR_SYNTAX);
2946 }
2947 for (j = 1; j <= remote_option_cnt; j++)
6b8db0f6 2948 args[ac++] = safe_arg(SPLIT_ARG_WHEN_OLD, remote_options[j]);
7a2eca41
WD		 2949 }
2950
ffbffc64 2951 *argc_p = ac;
f98c60bf
WD		 2952 return;
2953
2954 oom:
2955 out_of_memory("server_options");
7a6421fa
AT		 2956}
2957
25526eb3
WD		 2958int maybe_add_e_option(char *buf, int buf_len)
2959{
2960 int x = 0;
2961
2962 /* We don't really know the actual protocol_version at this point,
2963 * but checking the pre-negotiated value allows the user to use a
2964 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2965 if (protocol_version >= 30 && buf_len > 0) {
2966 /* We make use of the -e option to let the server know about
2967 * any pre-release protocol version && some behavior flags. */
2968 buf[x++] = 'e';
2969
2970#if SUBPROTOCOL_VERSION != 0
2971 if (protocol_version == PROTOCOL_VERSION)
2972 x += snprintf(buf + x, buf_len - x, "%d.%d", PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
2973 else
2974#endif
2975 buf[x++] = '.';
2976 if (allow_inc_recurse)
2977 buf[x++] = 'i';
2978#ifdef CAN_SET_SYMLINK_TIMES
2979 buf[x++] = 'L'; /* symlink time-setting support */
2980#endif
2981#ifdef ICONV_OPTION
2982 buf[x++] = 's'; /* symlink iconv translation support */
2983#endif
2984 buf[x++] = 'f'; /* flist I/O-error safety support */
2985 buf[x++] = 'x'; /* xattr hardlink optimization not desired */
2986 buf[x++] = 'C'; /* support checksum seed order fix */
2987 buf[x++] = 'I'; /* support inplace_partial behavior */
2988 buf[x++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2989 buf[x++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2990
2991 /* NOTE: Avoid using 'V' -- it was represented with the high bit of a write_byte() that became a write_varint(). */
2992 }
2993
2994 if (x >= buf_len) { /* Not possible... */
2995 rprintf(FERROR, "overflow in add_e_flags().\n");
2996 exit_cleanup(RERR_MALLOC);
2997 }
2998
2999 buf[x] = '\0';
3000
3001 return x;
3002}
3003
58cf3547
WD		 3004/* If str points to a valid hostspec, return allocated memory containing the
3005 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
3006 * the string after the host part. Otherwise, return NULL. If port_ptr is
3007 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
3008 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
3009 * (required for parsing) [ and ] chars elided from the returned string. */
3010static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
3011{
4d13a2fe 3012 char *s, *host_start = str;
58cf3547
WD		 3013 int hostlen = 0, userlen = 0;
3014 char *ret;
3015
4d13a2fe 3016 for (s = str; ; s++) {
58cf3547
WD		 3017 if (!*s) {
3018 /* It is only OK if we run out of string with rsync:// */
4d13a2fe
WD		 3019 if (!port_ptr)
3020 return NULL;
3021 if (!hostlen)
3022 hostlen = s - host_start;
3023 break;
58cf3547
WD		 3024 }
3025 if (*s == ':' || *s == '/') {
3026 if (!hostlen)
3027 hostlen = s - host_start;
3028 if (*s++ == '/') {
3029 if (!port_ptr)
3030 return NULL;
3031 } else if (port_ptr) {
3032 *port_ptr = atoi(s);
3033 while (isDigit(s)) s++;
4d13a2fe 3034 if (*s && *s++ != '/')
58cf3547
WD		 3035 return NULL;
3036 }
3037 break;
3038 }
3039 if (*s == '@') {
3040 userlen = s - str + 1;
3041 host_start = s + 1;
3042 } else if (*s == '[') {
3043 if (s != host_start++)
3044 return NULL;
3045 while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
3046 hostlen = s - host_start;
3047 if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
3048 return NULL;
3049 }
3050 }
3051
3052 *path_start_ptr = s;
3053 ret = new_array(char, userlen + hostlen + 1);
3054 if (userlen)
3055 strlcpy(ret, str, userlen + 1);
3056 strlcpy(ret + userlen, host_start, hostlen + 1);
3057 return ret;
3058}
3059
d2970213 3060/* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
305666bf
WD		 3061 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3062 * memory with the HOST. If a daemon-accessing spec was specified, the value
3063 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3064 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3065 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3066 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3067char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
ea5164d1 3068{
58cf3547 3069 char *path;
305666bf
WD		 3070
3071 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
58cf3547
WD		 3072 *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
3073 if (*host_ptr) {
3074 if (!*port_ptr)
70cbc66b 3075 *port_ptr = -1; /* -1 indicates they want the default */
58cf3547 3076 return path;
305666bf 3077 }
305666bf
WD		 3078 }
3079
58cf3547
WD		 3080 *host_ptr = parse_hostspec(s, &path, NULL);
3081 if (!*host_ptr)
3082 return NULL;
ea5164d1 3083
58cf3547 3084 if (*path == ':') {
305666bf 3085 if (port_ptr && !*port_ptr)
e2aee6c4 3086 *port_ptr = -1;
58cf3547 3087 return path + 1;
305666bf
WD		 3088 }
3089 if (port_ptr)
3090 *port_ptr = 0;
ea5164d1 3091
58cf3547 3092 return path;
ea5164d1 3093}
Mirror of https://github.com/WayneD/rsync.git