2 * Command-line (and received via daemon-socket) option parsing.
4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
6 * Copyright (C) 2002-2022 Wayne Davison
8 * This program is free software; you can redistribute it and/or modify
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.
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.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, visit the http://fsf.org website.
28 extern int local_server
;
29 extern int sanitize_paths
;
30 extern unsigned int module_dirlen
;
31 extern filter_rule_list filter_list
;
32 extern filter_rule_list daemon_filter_list
;
37 * If 1, send the whole file as literal data rather than trying to
38 * create an incremental diff.
40 * If -1, then look at whether we're local or remote and go by that.
42 * @sa disable_deltas_p()
47 int keep_dirlinks
= 0;
48 int copy_dirlinks
= 0;
50 int write_devices
= 0;
51 int preserve_links
= 0;
52 int preserve_hard_links
= 0;
53 int preserve_acls
= 0;
54 int preserve_xattrs
= 0;
55 int preserve_perms
= 0;
56 int preserve_executability
= 0;
57 int preserve_devices
= 0;
58 int preserve_specials
= 0;
61 int preserve_mtimes
= 0;
62 int preserve_atimes
= 0;
63 int preserve_crtimes
= 0;
64 int omit_dir_times
= 0;
65 int omit_link_times
= 0;
74 int delete_during
= 0;
75 int delete_before
= 0;
77 int delete_excluded
= 0;
78 int remove_source_files
= 0;
79 int one_file_system
= 0;
80 int protocol_version
= PROTOCOL_VERSION
;
82 int preallocate_files
= 0;
83 int do_compression
= 0;
84 int do_compression_level
= CLVL_NOT_SPECIFIED
;
85 int am_root
= 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
88 int am_starting_up
= 1;
89 int relative_paths
= -1;
91 int missing_args
= 0; /* 0 = FERROR_XFER, 1 = ignore, 2 = delete */
93 int msgs2stderr
= 2; /* Default: send errors to stderr for local & remote-shell transfers */
94 int saw_stderr_opt
= 0;
95 int allow_8bit_chars
= 0;
98 int prune_empty_dirs
= 0;
100 char *files_from
= NULL
;
101 int filesfrom_fd
= -1;
102 char *filesfrom_host
= NULL
;
104 int protect_args
= -1;
105 int old_style_args
= -1;
106 int human_readable
= 1;
108 int mkpath_dest_arg
= 0;
109 int allow_inc_recurse
= 1;
112 int connect_timeout
= 0;
113 int keep_partial
= 0;
114 int safe_symlinks
= 0;
115 int copy_unsafe_links
= 0;
116 int munge_symlinks
= 0;
118 int daemon_bwlimit
= 0;
121 size_t bwlimit_writemax
= 0;
122 int ignore_existing
= 0;
123 int ignore_non_existing
= 0;
124 int need_messages_from_generator
= 0;
125 int max_delete
= INT_MIN
;
128 int ignore_errors
= 0;
129 int modify_window
= 0;
130 int blocking_io
= -1;
131 int checksum_seed
= 0;
133 int delay_updates
= 0;
134 int32 block_size
= 0;
135 time_t stop_at_utime
= 0;
136 char *skip_compress
= NULL
;
137 char *copy_as
= NULL
;
138 item_list dparam_list
= EMPTY_ITEM_LIST
;
140 /** Network address family. **/
143 = 0; /* Any protocol */
145 = AF_INET
; /* Must use IPv4 */
149 # define AF_INET6 AF_INET /* make -6 option a no-op */
152 /** Do not go into the background when run as --daemon. Good
153 * for debugging and required for running as a service on W32,
154 * or under Unix process-monitors. **/
156 #if defined _WIN32 || defined __WIN32__
164 int backup_dir_len
= 0;
165 int backup_suffix_len
;
166 unsigned int backup_dir_remainder
;
168 char *backup_suffix
= NULL
;
170 char *partial_dir
= NULL
;
171 char *basis_dir
[MAX_BASIS_DIRS
+1];
172 char *config_file
= NULL
;
173 char *shell_cmd
= NULL
;
174 char *logfile_name
= NULL
;
175 char *logfile_format
= NULL
;
176 char *stdout_format
= NULL
;
177 char *password_file
= NULL
;
178 char *early_input_file
= NULL
;
179 char *rsync_path
= RSYNC_PATH
;
180 char *backup_dir
= NULL
;
181 char backup_dir_buf
[MAXPATHLEN
];
182 char *sockopts
= NULL
;
183 char *usermap
= NULL
;
184 char *groupmap
= NULL
;
186 int alt_dest_type
= 0;
187 int basis_dir_cnt
= 0;
189 #define DEFAULT_MAX_ALLOC (1024L * 1024 * 1024)
190 size_t max_alloc
= DEFAULT_MAX_ALLOC
;
193 static int version_opt_cnt
= 0;
194 static int remote_option_alloc
= 0;
195 int remote_option_cnt
= 0;
196 const char **remote_options
= NULL
;
197 const char *checksum_choice
= NULL
;
198 const char *compress_choice
= NULL
;
202 int log_before_transfer
= 0;
203 int stdout_format_has_i
= 0;
204 int stdout_format_has_o_or_i
= 0;
205 int logfile_format_has_i
= 0;
206 int logfile_format_has_o_or_i
= 0;
207 int always_checksum
= 0;
210 #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
211 char *batch_name
= NULL
;
213 int need_unsorted_flist
= 0;
221 struct chmod_mode_struct
*chmod_modes
= NULL
;
223 static const char *debug_verbosity
[] = {
226 /*2*/ "BIND,CMD,CONNECT,DEL,DELTASUM,DUP,FILTER,FLIST,ICONV",
227 /*3*/ "ACL,BACKUP,CONNECT2,DELTASUM2,DEL2,EXIT,FILTER2,FLIST2,FUZZY,GENR,OWN,RECV,SEND,TIME",
228 /*4*/ "CMD2,DELTASUM3,DEL3,EXIT2,FLIST3,ICONV2,OWN2,PROTO,TIME2",
229 /*5*/ "CHDIR,DELTASUM4,FLIST4,FUZZY2,HASH,HLINK",
232 #define MAX_VERBOSITY ((int)(sizeof debug_verbosity / sizeof debug_verbosity[0]) - 1)
234 static const char *info_verbosity
[1+MAX_VERBOSITY
] = {
236 /*1*/ "COPY,DEL,FLIST,MISC,NAME,STATS,SYMSAFE",
237 /*2*/ "BACKUP,MISC2,MOUNT,NAME2,REMOVE,SKIP",
240 #define MAX_OUT_LEVEL 4 /* The largest N allowed for any flagN word. */
242 short info_levels
[COUNT_INFO
], debug_levels
[COUNT_DEBUG
];
244 #define DEFAULT_PRIORITY 0 /* Default/implied/--verbose set values. */
245 #define HELP_PRIORITY 1 /* The help output uses this level. */
246 #define USER_PRIORITY 2 /* User-specified via --info or --debug */
247 #define LIMIT_PRIORITY 3 /* Overriding priority when limiting values. */
249 #define W_CLI (1<<0) /* client side */
250 #define W_SRV (1<<1) /* server side */
251 #define W_SND (1<<2) /* sending side */
252 #define W_REC (1<<3) /* receiving side */
254 struct output_struct
{
255 char *name
; /* The name of the info/debug flag. */
256 char *help
; /* The description of the info/debug flag. */
257 uchar namelen
; /* The length of the name string. */
258 uchar flag
; /* The flag's value, for consistency check. */
259 uchar where
; /* Bits indicating where the flag is used. */
260 uchar priority
; /* See *_PRIORITY defines. */
263 #define INFO_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, INFO_##flag, where, 0 }
265 static struct output_struct info_words
[COUNT_INFO
+1] = {
266 INFO_WORD(BACKUP
, W_REC
, "Mention files backed up"),
267 INFO_WORD(COPY
, W_REC
, "Mention files copied locally on the receiving side"),
268 INFO_WORD(DEL
, W_REC
, "Mention deletions on the receiving side"),
269 INFO_WORD(FLIST
, W_CLI
, "Mention file-list receiving/sending (levels 1-2)"),
270 INFO_WORD(MISC
, W_SND
|W_REC
, "Mention miscellaneous information (levels 1-2)"),
271 INFO_WORD(MOUNT
, W_SND
|W_REC
, "Mention mounts that were found or skipped"),
272 INFO_WORD(NAME
, W_SND
|W_REC
, "Mention 1) updated file/dir names, 2) unchanged names"),
273 INFO_WORD(NONREG
, W_REC
, "Mention skipped non-regular files (default 1, 0 disables)"),
274 INFO_WORD(PROGRESS
, W_CLI
, "Mention 1) per-file progress or 2) total transfer progress"),
275 INFO_WORD(REMOVE
, W_SND
, "Mention files removed on the sending side"),
276 INFO_WORD(SKIP
, W_REC
, "Mention files skipped due to transfer overrides (levels 1-2)"),
277 INFO_WORD(STATS
, W_CLI
|W_SRV
, "Mention statistics at end of run (levels 1-3)"),
278 INFO_WORD(SYMSAFE
, W_SND
|W_REC
, "Mention symlinks that are unsafe"),
279 { NULL
, "--info", 0, 0, 0, 0 }
282 #define DEBUG_WORD(flag, where, help) { #flag, help, sizeof #flag - 1, DEBUG_##flag, where, 0 }
284 static struct output_struct debug_words
[COUNT_DEBUG
+1] = {
285 DEBUG_WORD(ACL
, W_SND
|W_REC
, "Debug extra ACL info"),
286 DEBUG_WORD(BACKUP
, W_REC
, "Debug backup actions (levels 1-2)"),
287 DEBUG_WORD(BIND
, W_CLI
, "Debug socket bind actions"),
288 DEBUG_WORD(CHDIR
, W_CLI
|W_SRV
, "Debug when the current directory changes"),
289 DEBUG_WORD(CONNECT
, W_CLI
, "Debug connection events (levels 1-2)"),
290 DEBUG_WORD(CMD
, W_CLI
, "Debug commands+options that are issued (levels 1-2)"),
291 DEBUG_WORD(DEL
, W_REC
, "Debug delete actions (levels 1-3)"),
292 DEBUG_WORD(DELTASUM
, W_SND
|W_REC
, "Debug delta-transfer checksumming (levels 1-4)"),
293 DEBUG_WORD(DUP
, W_REC
, "Debug weeding of duplicate names"),
294 DEBUG_WORD(EXIT
, W_CLI
|W_SRV
, "Debug exit events (levels 1-3)"),
295 DEBUG_WORD(FILTER
, W_SND
|W_REC
, "Debug filter actions (levels 1-2)"),
296 DEBUG_WORD(FLIST
, W_SND
|W_REC
, "Debug file-list operations (levels 1-4)"),
297 DEBUG_WORD(FUZZY
, W_REC
, "Debug fuzzy scoring (levels 1-2)"),
298 DEBUG_WORD(GENR
, W_REC
, "Debug generator functions"),
299 DEBUG_WORD(HASH
, W_SND
|W_REC
, "Debug hashtable code"),
300 DEBUG_WORD(HLINK
, W_SND
|W_REC
, "Debug hard-link actions (levels 1-3)"),
301 DEBUG_WORD(ICONV
, W_CLI
|W_SRV
, "Debug iconv character conversions (levels 1-2)"),
302 DEBUG_WORD(IO
, W_CLI
|W_SRV
, "Debug I/O routines (levels 1-4)"),
303 DEBUG_WORD(NSTR
, W_CLI
|W_SRV
, "Debug negotiation strings"),
304 DEBUG_WORD(OWN
, W_REC
, "Debug ownership changes in users & groups (levels 1-2)"),
305 DEBUG_WORD(PROTO
, W_CLI
|W_SRV
, "Debug protocol information"),
306 DEBUG_WORD(RECV
, W_REC
, "Debug receiver functions"),
307 DEBUG_WORD(SEND
, W_SND
, "Debug sender functions"),
308 DEBUG_WORD(TIME
, W_REC
, "Debug setting of modified times (levels 1-2)"),
309 { NULL
, "--debug", 0, 0, 0, 0 }
312 static int verbose
= 0;
313 static int do_stats
= 0;
314 static int do_progress
= 0;
315 static int daemon_opt
; /* sets am_daemon after option error-reporting */
316 static int F_option_cnt
= 0;
317 static int modify_window_set
;
318 static int itemize_changes
= 0;
319 static int refused_delete
, refused_archive_part
, refused_compress
;
320 static int refused_partial
, refused_progress
, refused_delete_before
;
321 static int refused_delete_during
;
322 static int refused_inplace
, refused_no_iconv
;
323 static BOOL usermap_via_chown
, groupmap_via_chown
;
324 static char *outbuf_mode
;
325 static char *bwlimit_arg
, *max_size_arg
, *min_size_arg
;
326 static char tmp_partialdir
[] = ".~tmp~";
328 /** Local address to bind. As a character string because it's
329 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
330 * address, or a hostname. **/
333 static void output_item_help(struct output_struct
*words
);
335 /* This constructs a string that represents all the options set for either
336 * the --info or --debug setting, skipping any implied options (by -v, etc.).
337 * This is used both when conveying the user's options to the server, and
338 * when the help output wants to tell the user what options are implied. */
339 static char *make_output_option(struct output_struct
*words
, short *levels
, uchar where
)
341 char *str
= words
== info_words
? "--info=" : "--debug=";
342 int j
, counts
[MAX_OUT_LEVEL
+1], pos
, skipped
= 0, len
= 0, max
= 0, lev
= 0;
343 int word_count
= words
== info_words
? COUNT_INFO
: COUNT_DEBUG
;
346 memset(counts
, 0, sizeof counts
);
348 for (j
= 0; words
[j
].name
; j
++) {
349 if (words
[j
].flag
!= j
) {
350 rprintf(FERROR
, "rsync: internal error on %s%s: %d != %d\n",
351 words
== info_words
? "INFO_" : "DEBUG_",
352 words
[j
].name
, words
[j
].flag
, j
);
353 exit_cleanup(RERR_UNSUPPORTED
);
355 if (!(words
[j
].where
& where
))
357 if (words
[j
].priority
== DEFAULT_PRIORITY
) {
358 /* Implied items don't need to be mentioned. */
362 len
+= len
? 1 : strlen(str
);
363 len
+= strlen(words
[j
].name
);
364 len
+= levels
[j
] == 1 ? 0 : 1;
366 if (words
[j
].priority
== HELP_PRIORITY
)
367 continue; /* no abbreviating for help */
369 assert(levels
[j
] <= MAX_OUT_LEVEL
);
370 if (++counts
[levels
[j
]] > max
) {
371 /* Determine which level has the most items. */
377 /* Sanity check the COUNT_* define against the length of the table. */
378 if (j
!= word_count
) {
379 rprintf(FERROR
, "rsync: internal error: %s is wrong! (%d != %d)\n",
380 words
== info_words
? "COUNT_INFO" : "COUNT_DEBUG",
382 exit_cleanup(RERR_UNSUPPORTED
);
389 buf
= new_array(char, len
);
392 if (skipped
|| max
< 5)
396 pos
+= snprintf(buf
, len
, "%sNONE", str
);
398 pos
+= snprintf(buf
, len
, "%sALL", str
);
400 pos
+= snprintf(buf
, len
, "%sALL%d", str
, lev
);
403 for (j
= 0; words
[j
].name
&& pos
< len
; j
++) {
404 if (words
[j
].priority
== DEFAULT_PRIORITY
|| levels
[j
] == lev
|| !(words
[j
].where
& where
))
409 pos
+= strlcpy(buf
+pos
, str
, len
-pos
);
411 pos
+= strlcpy(buf
+pos
, words
[j
].name
, len
-pos
);
412 /* Level 1 is implied by the name alone. */
413 if (levels
[j
] != 1 && pos
< len
)
414 buf
[pos
++] = '0' + levels
[j
];
422 static void parse_output_words(struct output_struct
*words
, short *levels
, const char *str
, uchar priority
)
427 for ( ; str
; str
= s
) {
428 if ((s
= strchr(str
, ',')) != NULL
)
435 while (len
&& isDigit(str
+len
-1))
438 lev
= isDigit(str
+len
) ? atoi(str
+len
) : 1;
439 if (lev
> MAX_OUT_LEVEL
)
441 if (len
== 4 && strncasecmp(str
, "help", 4) == 0) {
442 output_item_help(words
);
445 if (len
== 4 && strncasecmp(str
, "none", 4) == 0)
447 else if (len
== 3 && strncasecmp(str
, "all", 3) == 0)
449 for (j
= 0; words
[j
].name
; j
++) {
451 || (len
== words
[j
].namelen
&& strncasecmp(str
, words
[j
].name
, len
) == 0)) {
452 if (priority
>= words
[j
].priority
) {
453 words
[j
].priority
= priority
;
460 if (len
&& !words
[j
].name
&& !am_server
) {
461 rprintf(FERROR
, "Unknown %s item: \"%.*s\"\n",
462 words
[j
].help
, len
, str
);
463 exit_cleanup(RERR_SYNTAX
);
468 /* Tell the user what all the info or debug flags mean. */
469 static void output_item_help(struct output_struct
*words
)
471 short *levels
= words
== info_words
? info_levels
: debug_levels
;
472 const char **verbosity
= words
== info_words
? info_verbosity
: debug_verbosity
;
473 char buf
[128], *opt
, *fmt
= "%-10s %s\n";
476 reset_output_levels();
478 rprintf(FINFO
, "Use OPT or OPT1 for level 1 output, OPT2 for level 2, etc.; OPT0 silences.\n");
479 rprintf(FINFO
, "\n");
480 for (j
= 0; words
[j
].name
; j
++)
481 rprintf(FINFO
, fmt
, words
[j
].name
, words
[j
].help
);
482 rprintf(FINFO
, "\n");
484 snprintf(buf
, sizeof buf
, "Set all %s options (e.g. all%d)",
485 words
[j
].help
, MAX_OUT_LEVEL
);
486 rprintf(FINFO
, fmt
, "ALL", buf
);
488 snprintf(buf
, sizeof buf
, "Silence all %s options (same as all0)",
490 rprintf(FINFO
, fmt
, "NONE", buf
);
492 rprintf(FINFO
, fmt
, "HELP", "Output this help message");
493 rprintf(FINFO
, "\n");
494 rprintf(FINFO
, "Options added at each level of verbosity:\n");
496 for (j
= 0; j
<= MAX_VERBOSITY
; j
++) {
497 parse_output_words(words
, levels
, verbosity
[j
], HELP_PRIORITY
);
498 opt
= make_output_option(words
, levels
, W_CLI
|W_SRV
|W_SND
|W_REC
);
500 rprintf(FINFO
, "%d) %s\n", j
, strchr(opt
, '=')+1);
503 reset_output_levels();
507 /* The --verbose option now sets info+debug flags. */
508 static void set_output_verbosity(int level
, uchar priority
)
512 if (level
> MAX_VERBOSITY
)
513 level
= MAX_VERBOSITY
;
515 for (j
= 0; j
<= level
; j
++) {
516 parse_output_words(info_words
, info_levels
, info_verbosity
[j
], priority
);
517 parse_output_words(debug_words
, debug_levels
, debug_verbosity
[j
], priority
);
521 /* Limit the info+debug flag levels given a verbose-option level limit. */
522 void limit_output_verbosity(int level
)
524 short info_limits
[COUNT_INFO
], debug_limits
[COUNT_DEBUG
];
527 if (level
> MAX_VERBOSITY
)
530 memset(info_limits
, 0, sizeof info_limits
);
531 memset(debug_limits
, 0, sizeof debug_limits
);
533 /* Compute the level limits in the above arrays. */
534 for (j
= 0; j
<= level
; j
++) {
535 parse_output_words(info_words
, info_limits
, info_verbosity
[j
], LIMIT_PRIORITY
);
536 parse_output_words(debug_words
, debug_limits
, debug_verbosity
[j
], LIMIT_PRIORITY
);
539 for (j
= 0; j
< COUNT_INFO
; j
++) {
540 if (info_levels
[j
] > info_limits
[j
])
541 info_levels
[j
] = info_limits
[j
];
544 for (j
= 0; j
< COUNT_DEBUG
; j
++) {
545 if (debug_levels
[j
] > debug_limits
[j
])
546 debug_levels
[j
] = debug_limits
[j
];
550 void reset_output_levels(void)
554 memset(info_levels
, 0, sizeof info_levels
);
555 memset(debug_levels
, 0, sizeof debug_levels
);
557 for (j
= 0; j
< COUNT_INFO
; j
++)
558 info_words
[j
].priority
= DEFAULT_PRIORITY
;
560 for (j
= 0; j
< COUNT_DEBUG
; j
++)
561 debug_words
[j
].priority
= DEFAULT_PRIORITY
;
564 void negate_output_levels(void)
568 for (j
= 0; j
< COUNT_INFO
; j
++)
569 info_levels
[j
] *= -1;
571 for (j
= 0; j
< COUNT_DEBUG
; j
++)
572 debug_levels
[j
] *= -1;
575 enum {OPT_SERVER
= 1000, OPT_DAEMON
, OPT_SENDER
, OPT_EXCLUDE
, OPT_EXCLUDE_FROM
,
576 OPT_FILTER
, OPT_COMPARE_DEST
, OPT_COPY_DEST
, OPT_LINK_DEST
, OPT_HELP
,
577 OPT_INCLUDE
, OPT_INCLUDE_FROM
, OPT_MODIFY_WINDOW
, OPT_MIN_SIZE
, OPT_CHMOD
,
578 OPT_READ_BATCH
, OPT_WRITE_BATCH
, OPT_ONLY_WRITE_BATCH
, OPT_MAX_SIZE
,
579 OPT_NO_D
, OPT_APPEND
, OPT_NO_ICONV
, OPT_INFO
, OPT_DEBUG
, OPT_BLOCK_SIZE
,
580 OPT_USERMAP
, OPT_GROUPMAP
, OPT_CHOWN
, OPT_BWLIMIT
, OPT_STDERR
,
581 OPT_OLD_COMPRESS
, OPT_NEW_COMPRESS
, OPT_NO_COMPRESS
, OPT_OLD_ARGS
,
582 OPT_STOP_AFTER
, OPT_STOP_AT
,
583 OPT_REFUSED_BASE
= 9000};
585 static struct poptOption long_options
[] = {
586 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
587 {"help", 0, POPT_ARG_NONE
, 0, OPT_HELP
, 0, 0 },
588 {"version", 'V', POPT_ARG_NONE
, 0, 'V', 0, 0},
589 {"verbose", 'v', POPT_ARG_NONE
, 0, 'v', 0, 0 },
590 {"no-verbose", 0, POPT_ARG_VAL
, &verbose
, 0, 0, 0 },
591 {"no-v", 0, POPT_ARG_VAL
, &verbose
, 0, 0, 0 },
592 {"info", 0, POPT_ARG_STRING
, 0, OPT_INFO
, 0, 0 },
593 {"debug", 0, POPT_ARG_STRING
, 0, OPT_DEBUG
, 0, 0 },
594 {"stderr", 0, POPT_ARG_STRING
, 0, OPT_STDERR
, 0, 0 },
595 {"msgs2stderr", 0, POPT_ARG_VAL
, &msgs2stderr
, 1, 0, 0 },
596 {"no-msgs2stderr", 0, POPT_ARG_VAL
, &msgs2stderr
, 0, 0, 0 },
597 {"quiet", 'q', POPT_ARG_NONE
, 0, 'q', 0, 0 },
598 {"motd", 0, POPT_ARG_VAL
, &output_motd
, 1, 0, 0 },
599 {"no-motd", 0, POPT_ARG_VAL
, &output_motd
, 0, 0, 0 },
600 {"stats", 0, POPT_ARG_NONE
, &do_stats
, 0, 0, 0 },
601 {"human-readable", 'h', POPT_ARG_NONE
, 0, 'h', 0, 0},
602 {"no-human-readable",0, POPT_ARG_VAL
, &human_readable
, 0, 0, 0},
603 {"no-h", 0, POPT_ARG_VAL
, &human_readable
, 0, 0, 0},
604 {"dry-run", 'n', POPT_ARG_NONE
, &dry_run
, 0, 0, 0 },
605 {"archive", 'a', POPT_ARG_NONE
, 0, 'a', 0, 0 },
606 {"recursive", 'r', POPT_ARG_VAL
, &recurse
, 2, 0, 0 },
607 {"no-recursive", 0, POPT_ARG_VAL
, &recurse
, 0, 0, 0 },
608 {"no-r", 0, POPT_ARG_VAL
, &recurse
, 0, 0, 0 },
609 {"inc-recursive", 0, POPT_ARG_VAL
, &allow_inc_recurse
, 1, 0, 0 },
610 {"no-inc-recursive", 0, POPT_ARG_VAL
, &allow_inc_recurse
, 0, 0, 0 },
611 {"i-r", 0, POPT_ARG_VAL
, &allow_inc_recurse
, 1, 0, 0 },
612 {"no-i-r", 0, POPT_ARG_VAL
, &allow_inc_recurse
, 0, 0, 0 },
613 {"dirs", 'd', POPT_ARG_VAL
, &xfer_dirs
, 2, 0, 0 },
614 {"no-dirs", 0, POPT_ARG_VAL
, &xfer_dirs
, 0, 0, 0 },
615 {"no-d", 0, POPT_ARG_VAL
, &xfer_dirs
, 0, 0, 0 },
616 {"old-dirs", 0, POPT_ARG_VAL
, &xfer_dirs
, 4, 0, 0 },
617 {"old-d", 0, POPT_ARG_VAL
, &xfer_dirs
, 4, 0, 0 },
618 {"perms", 'p', POPT_ARG_VAL
, &preserve_perms
, 1, 0, 0 },
619 {"no-perms", 0, POPT_ARG_VAL
, &preserve_perms
, 0, 0, 0 },
620 {"no-p", 0, POPT_ARG_VAL
, &preserve_perms
, 0, 0, 0 },
621 {"executability", 'E', POPT_ARG_NONE
, &preserve_executability
, 0, 0, 0 },
622 {"acls", 'A', POPT_ARG_NONE
, 0, 'A', 0, 0 },
623 {"no-acls", 0, POPT_ARG_VAL
, &preserve_acls
, 0, 0, 0 },
624 {"no-A", 0, POPT_ARG_VAL
, &preserve_acls
, 0, 0, 0 },
625 {"xattrs", 'X', POPT_ARG_NONE
, 0, 'X', 0, 0 },
626 {"no-xattrs", 0, POPT_ARG_VAL
, &preserve_xattrs
, 0, 0, 0 },
627 {"no-X", 0, POPT_ARG_VAL
, &preserve_xattrs
, 0, 0, 0 },
628 {"times", 't', POPT_ARG_VAL
, &preserve_mtimes
, 1, 0, 0 },
629 {"no-times", 0, POPT_ARG_VAL
, &preserve_mtimes
, 0, 0, 0 },
630 {"no-t", 0, POPT_ARG_VAL
, &preserve_mtimes
, 0, 0, 0 },
631 {"atimes", 'U', POPT_ARG_NONE
, 0, 'U', 0, 0 },
632 {"no-atimes", 0, POPT_ARG_VAL
, &preserve_atimes
, 0, 0, 0 },
633 {"no-U", 0, POPT_ARG_VAL
, &preserve_atimes
, 0, 0, 0 },
634 {"open-noatime", 0, POPT_ARG_VAL
, &open_noatime
, 1, 0, 0 },
635 {"no-open-noatime", 0, POPT_ARG_VAL
, &open_noatime
, 0, 0, 0 },
636 {"crtimes", 'N', POPT_ARG_VAL
, &preserve_crtimes
, 1, 0, 0 },
637 {"no-crtimes", 0, POPT_ARG_VAL
, &preserve_crtimes
, 0, 0, 0 },
638 {"no-N", 0, POPT_ARG_VAL
, &preserve_crtimes
, 0, 0, 0 },
639 {"omit-dir-times", 'O', POPT_ARG_VAL
, &omit_dir_times
, 1, 0, 0 },
640 {"no-omit-dir-times",0, POPT_ARG_VAL
, &omit_dir_times
, 0, 0, 0 },
641 {"no-O", 0, POPT_ARG_VAL
, &omit_dir_times
, 0, 0, 0 },
642 {"omit-link-times", 'J', POPT_ARG_VAL
, &omit_link_times
, 1, 0, 0 },
643 {"no-omit-link-times",0, POPT_ARG_VAL
, &omit_link_times
, 0, 0, 0 },
644 {"no-J", 0, POPT_ARG_VAL
, &omit_link_times
, 0, 0, 0 },
645 {"modify-window", '@', POPT_ARG_INT
, &modify_window
, OPT_MODIFY_WINDOW
, 0, 0 },
646 {"super", 0, POPT_ARG_VAL
, &am_root
, 2, 0, 0 },
647 {"no-super", 0, POPT_ARG_VAL
, &am_root
, 0, 0, 0 },
648 {"fake-super", 0, POPT_ARG_VAL
, &am_root
, -1, 0, 0 },
649 {"owner", 'o', POPT_ARG_VAL
, &preserve_uid
, 1, 0, 0 },
650 {"no-owner", 0, POPT_ARG_VAL
, &preserve_uid
, 0, 0, 0 },
651 {"no-o", 0, POPT_ARG_VAL
, &preserve_uid
, 0, 0, 0 },
652 {"group", 'g', POPT_ARG_VAL
, &preserve_gid
, 1, 0, 0 },
653 {"no-group", 0, POPT_ARG_VAL
, &preserve_gid
, 0, 0, 0 },
654 {"no-g", 0, POPT_ARG_VAL
, &preserve_gid
, 0, 0, 0 },
655 {0, 'D', POPT_ARG_NONE
, 0, 'D', 0, 0 },
656 {"no-D", 0, POPT_ARG_NONE
, 0, OPT_NO_D
, 0, 0 },
657 {"devices", 0, POPT_ARG_VAL
, &preserve_devices
, 1, 0, 0 },
658 {"no-devices", 0, POPT_ARG_VAL
, &preserve_devices
, 0, 0, 0 },
659 {"write-devices", 0, POPT_ARG_VAL
, &write_devices
, 1, 0, 0 },
660 {"no-write-devices", 0, POPT_ARG_VAL
, &write_devices
, 0, 0, 0 },
661 {"specials", 0, POPT_ARG_VAL
, &preserve_specials
, 1, 0, 0 },
662 {"no-specials", 0, POPT_ARG_VAL
, &preserve_specials
, 0, 0, 0 },
663 {"links", 'l', POPT_ARG_VAL
, &preserve_links
, 1, 0, 0 },
664 {"no-links", 0, POPT_ARG_VAL
, &preserve_links
, 0, 0, 0 },
665 {"no-l", 0, POPT_ARG_VAL
, &preserve_links
, 0, 0, 0 },
666 {"copy-links", 'L', POPT_ARG_NONE
, ©_links
, 0, 0, 0 },
667 {"copy-unsafe-links",0, POPT_ARG_NONE
, ©_unsafe_links
, 0, 0, 0 },
668 {"safe-links", 0, POPT_ARG_NONE
, &safe_symlinks
, 0, 0, 0 },
669 {"munge-links", 0, POPT_ARG_VAL
, &munge_symlinks
, 1, 0, 0 },
670 {"no-munge-links", 0, POPT_ARG_VAL
, &munge_symlinks
, 0, 0, 0 },
671 {"copy-dirlinks", 'k', POPT_ARG_NONE
, ©_dirlinks
, 0, 0, 0 },
672 {"keep-dirlinks", 'K', POPT_ARG_NONE
, &keep_dirlinks
, 0, 0, 0 },
673 {"hard-links", 'H', POPT_ARG_NONE
, 0, 'H', 0, 0 },
674 {"no-hard-links", 0, POPT_ARG_VAL
, &preserve_hard_links
, 0, 0, 0 },
675 {"no-H", 0, POPT_ARG_VAL
, &preserve_hard_links
, 0, 0, 0 },
676 {"relative", 'R', POPT_ARG_VAL
, &relative_paths
, 1, 0, 0 },
677 {"no-relative", 0, POPT_ARG_VAL
, &relative_paths
, 0, 0, 0 },
678 {"no-R", 0, POPT_ARG_VAL
, &relative_paths
, 0, 0, 0 },
679 {"implied-dirs", 0, POPT_ARG_VAL
, &implied_dirs
, 1, 0, 0 },
680 {"no-implied-dirs", 0, POPT_ARG_VAL
, &implied_dirs
, 0, 0, 0 },
681 {"i-d", 0, POPT_ARG_VAL
, &implied_dirs
, 1, 0, 0 },
682 {"no-i-d", 0, POPT_ARG_VAL
, &implied_dirs
, 0, 0, 0 },
683 {"chmod", 0, POPT_ARG_STRING
, 0, OPT_CHMOD
, 0, 0 },
684 {"ignore-times", 'I', POPT_ARG_NONE
, &ignore_times
, 0, 0, 0 },
685 {"size-only", 0, POPT_ARG_NONE
, &size_only
, 0, 0, 0 },
686 {"one-file-system", 'x', POPT_ARG_NONE
, 0, 'x', 0, 0 },
687 {"no-one-file-system",0, POPT_ARG_VAL
, &one_file_system
, 0, 0, 0 },
688 {"no-x", 0, POPT_ARG_VAL
, &one_file_system
, 0, 0, 0 },
689 {"update", 'u', POPT_ARG_NONE
, &update_only
, 0, 0, 0 },
690 {"existing", 0, POPT_ARG_NONE
, &ignore_non_existing
, 0, 0, 0 },
691 {"ignore-non-existing",0,POPT_ARG_NONE
, &ignore_non_existing
, 0, 0, 0 },
692 {"ignore-existing", 0, POPT_ARG_NONE
, &ignore_existing
, 0, 0, 0 },
693 {"max-size", 0, POPT_ARG_STRING
, &max_size_arg
, OPT_MAX_SIZE
, 0, 0 },
694 {"min-size", 0, POPT_ARG_STRING
, &min_size_arg
, OPT_MIN_SIZE
, 0, 0 },
695 {"max-alloc", 0, POPT_ARG_STRING
, &max_alloc_arg
, 0, 0, 0 },
696 {"sparse", 'S', POPT_ARG_VAL
, &sparse_files
, 1, 0, 0 },
697 {"no-sparse", 0, POPT_ARG_VAL
, &sparse_files
, 0, 0, 0 },
698 {"no-S", 0, POPT_ARG_VAL
, &sparse_files
, 0, 0, 0 },
699 {"preallocate", 0, POPT_ARG_NONE
, &preallocate_files
, 0, 0, 0},
700 {"inplace", 0, POPT_ARG_VAL
, &inplace
, 1, 0, 0 },
701 {"no-inplace", 0, POPT_ARG_VAL
, &inplace
, 0, 0, 0 },
702 {"append", 0, POPT_ARG_NONE
, 0, OPT_APPEND
, 0, 0 },
703 {"append-verify", 0, POPT_ARG_VAL
, &append_mode
, 2, 0, 0 },
704 {"no-append", 0, POPT_ARG_VAL
, &append_mode
, 0, 0, 0 },
705 {"del", 0, POPT_ARG_NONE
, &delete_during
, 0, 0, 0 },
706 {"delete", 0, POPT_ARG_NONE
, &delete_mode
, 0, 0, 0 },
707 {"delete-before", 0, POPT_ARG_NONE
, &delete_before
, 0, 0, 0 },
708 {"delete-during", 0, POPT_ARG_VAL
, &delete_during
, 1, 0, 0 },
709 {"delete-delay", 0, POPT_ARG_VAL
, &delete_during
, 2, 0, 0 },
710 {"delete-after", 0, POPT_ARG_NONE
, &delete_after
, 0, 0, 0 },
711 {"delete-excluded", 0, POPT_ARG_NONE
, &delete_excluded
, 0, 0, 0 },
712 {"delete-missing-args",0,POPT_BIT_SET
, &missing_args
, 2, 0, 0 },
713 {"ignore-missing-args",0,POPT_BIT_SET
, &missing_args
, 1, 0, 0 },
714 {"remove-sent-files",0, POPT_ARG_VAL
, &remove_source_files
, 2, 0, 0 }, /* deprecated */
715 {"remove-source-files",0,POPT_ARG_VAL
, &remove_source_files
, 1, 0, 0 },
716 {"force", 0, POPT_ARG_VAL
, &force_delete
, 1, 0, 0 },
717 {"no-force", 0, POPT_ARG_VAL
, &force_delete
, 0, 0, 0 },
718 {"ignore-errors", 0, POPT_ARG_VAL
, &ignore_errors
, 1, 0, 0 },
719 {"no-ignore-errors", 0, POPT_ARG_VAL
, &ignore_errors
, 0, 0, 0 },
720 {"max-delete", 0, POPT_ARG_INT
, &max_delete
, 0, 0, 0 },
721 {0, 'F', POPT_ARG_NONE
, 0, 'F', 0, 0 },
722 {"filter", 'f', POPT_ARG_STRING
, 0, OPT_FILTER
, 0, 0 },
723 {"exclude", 0, POPT_ARG_STRING
, 0, OPT_EXCLUDE
, 0, 0 },
724 {"include", 0, POPT_ARG_STRING
, 0, OPT_INCLUDE
, 0, 0 },
725 {"exclude-from", 0, POPT_ARG_STRING
, 0, OPT_EXCLUDE_FROM
, 0, 0 },
726 {"include-from", 0, POPT_ARG_STRING
, 0, OPT_INCLUDE_FROM
, 0, 0 },
727 {"cvs-exclude", 'C', POPT_ARG_NONE
, &cvs_exclude
, 0, 0, 0 },
728 {"whole-file", 'W', POPT_ARG_VAL
, &whole_file
, 1, 0, 0 },
729 {"no-whole-file", 0, POPT_ARG_VAL
, &whole_file
, 0, 0, 0 },
730 {"no-W", 0, POPT_ARG_VAL
, &whole_file
, 0, 0, 0 },
731 {"checksum", 'c', POPT_ARG_VAL
, &always_checksum
, 1, 0, 0 },
732 {"no-checksum", 0, POPT_ARG_VAL
, &always_checksum
, 0, 0, 0 },
733 {"no-c", 0, POPT_ARG_VAL
, &always_checksum
, 0, 0, 0 },
734 {"checksum-choice", 0, POPT_ARG_STRING
, &checksum_choice
, 0, 0, 0 },
735 {"cc", 0, POPT_ARG_STRING
, &checksum_choice
, 0, 0, 0 },
736 {"block-size", 'B', POPT_ARG_STRING
, 0, OPT_BLOCK_SIZE
, 0, 0 },
737 {"compare-dest", 0, POPT_ARG_STRING
, 0, OPT_COMPARE_DEST
, 0, 0 },
738 {"copy-dest", 0, POPT_ARG_STRING
, 0, OPT_COPY_DEST
, 0, 0 },
739 {"link-dest", 0, POPT_ARG_STRING
, 0, OPT_LINK_DEST
, 0, 0 },
740 {"fuzzy", 'y', POPT_ARG_NONE
, 0, 'y', 0, 0 },
741 {"no-fuzzy", 0, POPT_ARG_VAL
, &fuzzy_basis
, 0, 0, 0 },
742 {"no-y", 0, POPT_ARG_VAL
, &fuzzy_basis
, 0, 0, 0 },
743 {"compress", 'z', POPT_ARG_NONE
, 0, 'z', 0, 0 },
744 {"old-compress", 0, POPT_ARG_NONE
, 0, OPT_OLD_COMPRESS
, 0, 0 },
745 {"new-compress", 0, POPT_ARG_NONE
, 0, OPT_NEW_COMPRESS
, 0, 0 },
746 {"no-compress", 0, POPT_ARG_NONE
, 0, OPT_NO_COMPRESS
, 0, 0 },
747 {"no-z", 0, POPT_ARG_NONE
, 0, OPT_NO_COMPRESS
, 0, 0 },
748 {"compress-choice", 0, POPT_ARG_STRING
, &compress_choice
, 0, 0, 0 },
749 {"zc", 0, POPT_ARG_STRING
, &compress_choice
, 0, 0, 0 },
750 {"skip-compress", 0, POPT_ARG_STRING
, &skip_compress
, 0, 0, 0 },
751 {"compress-level", 0, POPT_ARG_INT
, &do_compression_level
, 0, 0, 0 },
752 {"zl", 0, POPT_ARG_INT
, &do_compression_level
, 0, 0, 0 },
753 {0, 'P', POPT_ARG_NONE
, 0, 'P', 0, 0 },
754 {"progress", 0, POPT_ARG_VAL
, &do_progress
, 1, 0, 0 },
755 {"no-progress", 0, POPT_ARG_VAL
, &do_progress
, 0, 0, 0 },
756 {"partial", 0, POPT_ARG_VAL
, &keep_partial
, 1, 0, 0 },
757 {"no-partial", 0, POPT_ARG_VAL
, &keep_partial
, 0, 0, 0 },
758 {"partial-dir", 0, POPT_ARG_STRING
, &partial_dir
, 0, 0, 0 },
759 {"delay-updates", 0, POPT_ARG_VAL
, &delay_updates
, 1, 0, 0 },
760 {"no-delay-updates", 0, POPT_ARG_VAL
, &delay_updates
, 0, 0, 0 },
761 {"prune-empty-dirs",'m', POPT_ARG_VAL
, &prune_empty_dirs
, 1, 0, 0 },
762 {"no-prune-empty-dirs",0,POPT_ARG_VAL
, &prune_empty_dirs
, 0, 0, 0 },
763 {"no-m", 0, POPT_ARG_VAL
, &prune_empty_dirs
, 0, 0, 0 },
764 {"log-file", 0, POPT_ARG_STRING
, &logfile_name
, 0, 0, 0 },
765 {"log-file-format", 0, POPT_ARG_STRING
, &logfile_format
, 0, 0, 0 },
766 {"out-format", 0, POPT_ARG_STRING
, &stdout_format
, 0, 0, 0 },
767 {"log-format", 0, POPT_ARG_STRING
, &stdout_format
, 0, 0, 0 }, /* DEPRECATED */
768 {"itemize-changes", 'i', POPT_ARG_NONE
, 0, 'i', 0, 0 },
769 {"no-itemize-changes",0, POPT_ARG_VAL
, &itemize_changes
, 0, 0, 0 },
770 {"no-i", 0, POPT_ARG_VAL
, &itemize_changes
, 0, 0, 0 },
771 {"bwlimit", 0, POPT_ARG_STRING
, &bwlimit_arg
, OPT_BWLIMIT
, 0, 0 },
772 {"no-bwlimit", 0, POPT_ARG_VAL
, &bwlimit
, 0, 0, 0 },
773 {"backup", 'b', POPT_ARG_VAL
, &make_backups
, 1, 0, 0 },
774 {"no-backup", 0, POPT_ARG_VAL
, &make_backups
, 0, 0, 0 },
775 {"backup-dir", 0, POPT_ARG_STRING
, &backup_dir
, 0, 0, 0 },
776 {"suffix", 0, POPT_ARG_STRING
, &backup_suffix
, 0, 0, 0 },
777 {"list-only", 0, POPT_ARG_VAL
, &list_only
, 2, 0, 0 },
778 {"read-batch", 0, POPT_ARG_STRING
, &batch_name
, OPT_READ_BATCH
, 0, 0 },
779 {"write-batch", 0, POPT_ARG_STRING
, &batch_name
, OPT_WRITE_BATCH
, 0, 0 },
780 {"only-write-batch", 0, POPT_ARG_STRING
, &batch_name
, OPT_ONLY_WRITE_BATCH
, 0, 0 },
781 {"files-from", 0, POPT_ARG_STRING
, &files_from
, 0, 0, 0 },
782 {"from0", '0', POPT_ARG_VAL
, &eol_nulls
, 1, 0, 0},
783 {"no-from0", 0, POPT_ARG_VAL
, &eol_nulls
, 0, 0, 0},
784 {"old-args", 0, POPT_ARG_NONE
, 0, OPT_OLD_ARGS
, 0, 0},
785 {"no-old-args", 0, POPT_ARG_VAL
, &old_style_args
, 0, 0, 0},
786 {"protect-args", 's', POPT_ARG_VAL
, &protect_args
, 1, 0, 0},
787 {"no-protect-args", 0, POPT_ARG_VAL
, &protect_args
, 0, 0, 0},
788 {"no-s", 0, POPT_ARG_VAL
, &protect_args
, 0, 0, 0},
789 {"numeric-ids", 0, POPT_ARG_VAL
, &numeric_ids
, 1, 0, 0 },
790 {"no-numeric-ids", 0, POPT_ARG_VAL
, &numeric_ids
, 0, 0, 0 },
791 {"usermap", 0, POPT_ARG_STRING
, 0, OPT_USERMAP
, 0, 0 },
792 {"groupmap", 0, POPT_ARG_STRING
, 0, OPT_GROUPMAP
, 0, 0 },
793 {"chown", 0, POPT_ARG_STRING
, 0, OPT_CHOWN
, 0, 0 },
794 {"timeout", 0, POPT_ARG_INT
, &io_timeout
, 0, 0, 0 },
795 {"no-timeout", 0, POPT_ARG_VAL
, &io_timeout
, 0, 0, 0 },
796 {"contimeout", 0, POPT_ARG_INT
, &connect_timeout
, 0, 0, 0 },
797 {"no-contimeout", 0, POPT_ARG_VAL
, &connect_timeout
, 0, 0, 0 },
798 {"fsync", 0, POPT_ARG_NONE
, &do_fsync
, 0, 0, 0 },
799 {"stop-after", 0, POPT_ARG_STRING
, 0, OPT_STOP_AFTER
, 0, 0 },
800 {"time-limit", 0, POPT_ARG_STRING
, 0, OPT_STOP_AFTER
, 0, 0 }, /* earlier stop-after name */
801 {"stop-at", 0, POPT_ARG_STRING
, 0, OPT_STOP_AT
, 0, 0 },
802 {"rsh", 'e', POPT_ARG_STRING
, &shell_cmd
, 0, 0, 0 },
803 {"rsync-path", 0, POPT_ARG_STRING
, &rsync_path
, 0, 0, 0 },
804 {"temp-dir", 'T', POPT_ARG_STRING
, &tmpdir
, 0, 0, 0 },
805 {"iconv", 0, POPT_ARG_STRING
, &iconv_opt
, 0, 0, 0 },
806 {"no-iconv", 0, POPT_ARG_NONE
, 0, OPT_NO_ICONV
, 0, 0 },
807 {"ipv4", '4', POPT_ARG_VAL
, &default_af_hint
, AF_INET
, 0, 0 },
808 {"ipv6", '6', POPT_ARG_VAL
, &default_af_hint
, AF_INET6
, 0, 0 },
809 {"8-bit-output", '8', POPT_ARG_VAL
, &allow_8bit_chars
, 1, 0, 0 },
810 {"no-8-bit-output", 0, POPT_ARG_VAL
, &allow_8bit_chars
, 0, 0, 0 },
811 {"no-8", 0, POPT_ARG_VAL
, &allow_8bit_chars
, 0, 0, 0 },
812 {"mkpath", 0, POPT_ARG_VAL
, &mkpath_dest_arg
, 1, 0, 0 },
813 {"no-mkpath", 0, POPT_ARG_VAL
, &mkpath_dest_arg
, 0, 0, 0 },
814 {"qsort", 0, POPT_ARG_NONE
, &use_qsort
, 0, 0, 0 },
815 {"copy-as", 0, POPT_ARG_STRING
, ©_as
, 0, 0, 0 },
816 {"address", 0, POPT_ARG_STRING
, &bind_address
, 0, 0, 0 },
817 {"port", 0, POPT_ARG_INT
, &rsync_port
, 0, 0, 0 },
818 {"sockopts", 0, POPT_ARG_STRING
, &sockopts
, 0, 0, 0 },
819 {"password-file", 0, POPT_ARG_STRING
, &password_file
, 0, 0, 0 },
820 {"early-input", 0, POPT_ARG_STRING
, &early_input_file
, 0, 0, 0 },
821 {"blocking-io", 0, POPT_ARG_VAL
, &blocking_io
, 1, 0, 0 },
822 {"no-blocking-io", 0, POPT_ARG_VAL
, &blocking_io
, 0, 0, 0 },
823 {"outbuf", 0, POPT_ARG_STRING
, &outbuf_mode
, 0, 0, 0 },
824 {"remote-option", 'M', POPT_ARG_STRING
, 0, 'M', 0, 0 },
825 {"protocol", 0, POPT_ARG_INT
, &protocol_version
, 0, 0, 0 },
826 {"checksum-seed", 0, POPT_ARG_INT
, &checksum_seed
, 0, 0, 0 },
827 {"server", 0, POPT_ARG_NONE
, 0, OPT_SERVER
, 0, 0 },
828 {"sender", 0, POPT_ARG_NONE
, 0, OPT_SENDER
, 0, 0 },
829 /* All the following options switch us into daemon-mode option-parsing. */
830 {"config", 0, POPT_ARG_STRING
, 0, OPT_DAEMON
, 0, 0 },
831 {"daemon", 0, POPT_ARG_NONE
, 0, OPT_DAEMON
, 0, 0 },
832 {"dparam", 0, POPT_ARG_STRING
, 0, OPT_DAEMON
, 0, 0 },
833 {"detach", 0, POPT_ARG_NONE
, 0, OPT_DAEMON
, 0, 0 },
834 {"no-detach", 0, POPT_ARG_NONE
, 0, OPT_DAEMON
, 0, 0 },
838 static struct poptOption long_daemon_options
[] = {
839 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
840 {"address", 0, POPT_ARG_STRING
, &bind_address
, 0, 0, 0 },
841 {"bwlimit", 0, POPT_ARG_INT
, &daemon_bwlimit
, 0, 0, 0 },
842 {"config", 0, POPT_ARG_STRING
, &config_file
, 0, 0, 0 },
843 {"daemon", 0, POPT_ARG_NONE
, &daemon_opt
, 0, 0, 0 },
844 {"dparam", 'M', POPT_ARG_STRING
, 0, 'M', 0, 0 },
845 {"ipv4", '4', POPT_ARG_VAL
, &default_af_hint
, AF_INET
, 0, 0 },
846 {"ipv6", '6', POPT_ARG_VAL
, &default_af_hint
, AF_INET6
, 0, 0 },
847 {"detach", 0, POPT_ARG_VAL
, &no_detach
, 0, 0, 0 },
848 {"no-detach", 0, POPT_ARG_VAL
, &no_detach
, 1, 0, 0 },
849 {"log-file", 0, POPT_ARG_STRING
, &logfile_name
, 0, 0, 0 },
850 {"log-file-format", 0, POPT_ARG_STRING
, &logfile_format
, 0, 0, 0 },
851 {"port", 0, POPT_ARG_INT
, &rsync_port
, 0, 0, 0 },
852 {"sockopts", 0, POPT_ARG_STRING
, &sockopts
, 0, 0, 0 },
853 {"protocol", 0, POPT_ARG_INT
, &protocol_version
, 0, 0, 0 },
854 {"server", 0, POPT_ARG_NONE
, &am_server
, 0, 0, 0 },
855 {"temp-dir", 'T', POPT_ARG_STRING
, &tmpdir
, 0, 0, 0 },
856 {"verbose", 'v', POPT_ARG_NONE
, 0, 'v', 0, 0 },
857 {"no-verbose", 0, POPT_ARG_VAL
, &verbose
, 0, 0, 0 },
858 {"no-v", 0, POPT_ARG_VAL
, &verbose
, 0, 0, 0 },
859 {"help", 'h', POPT_ARG_NONE
, 0, 'h', 0, 0 },
864 static char err_buf
[200];
868 * Store the option error message, if any, so that we can log the
869 * connection attempt (which requires parsing the options), and then
870 * show the error later on.
872 void option_error(void)
875 strlcpy(err_buf
, "Error parsing options: option may "
876 "be supported on client but not on server?\n",
880 rprintf(FERROR
, RSYNC_NAME
": %s", err_buf
);
886 static void parse_one_refuse_match(int negated
, const char *ref
, const struct poptOption
*list_end
)
888 struct poptOption
*op
;
890 int is_wild
= strpbrk(ref
, "*?[") != NULL
;
895 if (strcmp("a", ref
) == 0 || strcmp("archive", ref
) == 0) {
900 for (op
= long_options
; op
!= list_end
; op
++) {
901 *shortName
= op
->shortName
;
902 if ((op
->longName
&& wildmatch(ref
, op
->longName
))
903 || (*shortName
&& wildmatch(ref
, shortName
))) {
904 if (op
->descrip
[1] == '*')
905 op
->descrip
= negated
? "a*" : "r*";
907 op
->descrip
= negated
? "a=" : "r=";
915 rprintf(FLOG
, "No match for refuse-options string \"%s\"\n", ref
);
920 * Tweak the option table to disable all options that the rsyncd.conf
921 * file has told us to refuse.
923 static void set_refuse_options(void)
925 struct poptOption
*op
, *list_end
= NULL
;
926 char *cp
, *ref
= lp_refuse_options(module_id
);
935 /* We abuse the descrip field in poptOption to make it easy to flag which options
936 * are refused (since we don't use it otherwise). Start by marking all options
937 * as "a"ccepted with a few options also marked as non-wild. */
938 for (op
= long_options
; ; op
++) {
939 const char *longName
= op
->longName
? op
->longName
: "";
940 if (!op
->longName
&& !op
->shortName
) {
945 || op
->shortName
== 'e' /* Required for compatibility flags */
946 || op
->shortName
== '0' /* --from0 just modifies --files-from, so refuse that instead (or not) */
947 || op
->shortName
== 's' /* --protect-args is always OK */
948 || op
->shortName
== 'n' /* --dry-run is always OK */
949 || strcmp("iconv", longName
) == 0
950 || strcmp("no-iconv", longName
) == 0
951 || strcmp("checksum-seed", longName
) == 0
952 || strcmp("write-devices", longName
) == 0 /* disable wild-match (it gets refused below) */
953 || strcmp("log-format", longName
) == 0 /* aka out-format (NOT log-file-format) */
954 || strcmp("sender", longName
) == 0
955 || strcmp("server", longName
) == 0)
956 op
->descrip
= "a="; /* exact-match only */
958 op
->descrip
= "a*"; /* wild-card-able */
960 assert(list_end
!= NULL
);
962 if (am_daemon
) { /* Refused by default, but can be accepted via a negated exact match. */
963 parse_one_refuse_match(0, "write-devices", list_end
);
967 while (*ref
== ' ') ref
++;
970 if ((cp
= strchr(ref
, ' ')) != NULL
)
972 negated
= *ref
== '!';
973 if (negated
&& ref
[1])
975 parse_one_refuse_match(negated
, ref
, list_end
);
984 if (!*lp_charset(module_id
))
985 parse_one_refuse_match(0, "iconv", list_end
);
987 parse_one_refuse_match(0, "log-file*", list_end
);
990 #ifndef SUPPORT_ATIMES
991 parse_one_refuse_match(0, "atimes", list_end
);
993 #ifndef SUPPORT_HARD_LINKS
994 parse_one_refuse_match(0, "link-dest", list_end
);
997 parse_one_refuse_match(0, "stop-at", list_end
);
1000 parse_one_refuse_match(0, "iconv", list_end
);
1002 #ifndef HAVE_SETVBUF
1003 parse_one_refuse_match(0, "outbuf", list_end
);
1005 #ifndef SUPPORT_CRTIMES
1006 parse_one_refuse_match(0, "crtimes", list_end
);
1009 /* Now we use the descrip values to actually mark the options for refusal. */
1010 for (op
= long_options
; op
!= list_end
; op
++) {
1011 int refused
= op
->descrip
[0] == 'r';
1015 if (op
->argInfo
== POPT_ARG_VAL
)
1016 op
->argInfo
= POPT_ARG_NONE
;
1017 op
->val
= (op
- long_options
) + OPT_REFUSED_BASE
;
1018 /* The following flags are set to let us easily check an implied option later in the code. */
1019 switch (op
->shortName
) {
1020 case 'r': case 'd': case 'l': case 'p':
1021 case 't': case 'g': case 'o': case 'D':
1022 refused_archive_part
= op
->val
;
1025 refused_compress
= op
->val
;
1028 if (strcmp("delete", op
->longName
) == 0)
1029 refused_delete
= op
->val
;
1030 else if (strcmp("delete-before", op
->longName
) == 0)
1031 refused_delete_before
= op
->val
;
1032 else if (strcmp("delete-during", op
->longName
) == 0)
1033 refused_delete_during
= op
->val
;
1034 else if (strcmp("partial", op
->longName
) == 0)
1035 refused_partial
= op
->val
;
1036 else if (strcmp("progress", op
->longName
) == 0)
1037 refused_progress
= op
->val
;
1038 else if (strcmp("inplace", op
->longName
) == 0)
1039 refused_inplace
= op
->val
;
1040 else if (strcmp("no-iconv", op
->longName
) == 0)
1041 refused_no_iconv
= op
->val
;
1048 static int count_args(const char **argv
)
1053 while (argv
[i
] != NULL
)
1060 /* If the size_arg is an invalid string or the value is < min_value, an error
1061 * is put into err_buf & the return is -1. Note that this parser does NOT
1062 * support negative numbers, so a min_value < 0 doesn't make any sense. */
1063 static ssize_t
parse_size_arg(const char *size_arg
, char def_suf
, const char *opt_name
,
1064 ssize_t min_value
, ssize_t max_value
, BOOL unlimited_0
)
1066 int reps
, mult
, len
;
1067 const char *arg
, *err
= "invalid", *min_max
= NULL
;
1068 ssize_t limit
= -1, size
= 1;
1070 for (arg
= size_arg
; isDigit(arg
); arg
++) {}
1071 if (*arg
== '.' || *arg
== get_decimal_point()) /* backward compatibility: always allow '.' */
1072 for (arg
++; isDigit(arg
); arg
++) {}
1073 switch (*arg
&& *arg
!= '+' && *arg
!= '-' ? *arg
++ : def_suf
) {
1095 if (*arg
== 'b' || *arg
== 'B')
1097 else if (!*arg
|| *arg
== '+' || *arg
== '-')
1099 else if (strncasecmp(arg
, "ib", 2) == 0)
1100 mult
= 1024, arg
+= 2;
1105 size
*= atof(size_arg
);
1106 if ((*arg
== '+' || *arg
== '-') && arg
[1] == '1' && arg
!= size_arg
)
1107 size
+= atoi(arg
), arg
+= 2;
1110 if (size
< 0 || (max_value
>= 0 && size
> max_value
)) {
1116 if (size
< min_value
&& (!unlimited_0
|| size
!= 0)) {
1125 len
= snprintf(err_buf
, sizeof err_buf
- 1, "--%s=%s is %s", opt_name
, size_arg
, err
);
1126 if (min_max
&& limit
>= 0 && len
< (int)sizeof err_buf
- 10) {
1127 len
+= snprintf(err_buf
+ len
, sizeof err_buf
- len
- 1, " (%s: %s%s)",
1128 min_max
, do_big_num(limit
, 3, NULL
),
1129 unlimited_0
&& min_max
[1] == 'i' ? " or 0 for unlimited" : "");
1131 err_buf
[len
] = '\n';
1132 err_buf
[len
+1] = '\0';
1137 /* Allow the user to specify a time in the format yyyy-mm-ddThh:mm while
1138 * also allowing abbreviated data. For instance, if the time is omitted,
1139 * it defaults to midnight. If the date is omitted, it defaults to the
1140 * next possible date in the future with the specified time. Even the
1141 * year or year-month can be omitted, again defaulting to the next date
1142 * in the future that matches the specified information. A 2-digit year
1143 * is also OK, as is using '/' instead of '-'. */
1144 static time_t parse_time(const char *arg
)
1147 time_t val
, now
= time(NULL
);
1148 struct tm t
, *today
= localtime(&now
);
1149 int in_date
, old_mday
, n
;
1151 memset(&t
, 0, sizeof t
);
1152 t
.tm_year
= t
.tm_mon
= t
.tm_mday
= -1;
1153 t
.tm_hour
= t
.tm_min
= t
.tm_isdst
= -1;
1155 if (*cp
== 'T' || *cp
== 't' || *cp
== ':') {
1156 in_date
= *cp
== ':' ? 0 : -1;
1165 n
= n
* 10 + *cp
++ - '0';
1166 } while (isDigit(cp
));
1170 if (t
.tm_year
!= -1)
1172 t
.tm_year
= t
.tm_mon
;
1173 t
.tm_mon
= t
.tm_mday
;
1177 if (*cp
== 'T' || *cp
== 't') {
1181 } else if (*cp
!= '-' && *cp
!= '/')
1185 if (t
.tm_hour
!= -1)
1187 t
.tm_hour
= t
.tm_min
;
1200 if (t
.tm_year
< 0) {
1201 t
.tm_year
= today
->tm_year
;
1203 } else if (t
.tm_year
< 100) {
1204 while (t
.tm_year
< today
->tm_year
)
1209 t
.tm_mon
= today
->tm_mon
;
1213 if (t
.tm_mday
< 0) {
1214 t
.tm_mday
= today
->tm_mday
;
1220 t
.tm_hour
= t
.tm_min
= 0;
1221 } else if (t
.tm_hour
< 0) {
1225 t
.tm_hour
= today
->tm_hour
;
1229 /* Note that mktime() might change a too-large tm_mday into the start of
1230 * the following month which we need to undo in the following code! */
1231 old_mday
= t
.tm_mday
;
1232 if (t
.tm_hour
> 23 || t
.tm_min
> 59
1233 || t
.tm_mon
< 0 || t
.tm_mon
>= 12
1234 || t
.tm_mday
< 1 || t
.tm_mday
> 31
1235 || (val
= mktime(&t
)) == (time_t)-1)
1238 while (in_date
&& (val
<= now
|| t
.tm_mday
< old_mday
)) {
1241 old_mday
= ++t
.tm_mday
;
1244 if (t
.tm_mday
< old_mday
)
1245 t
.tm_mday
= old_mday
; /* The month already got bumped forward */
1246 else if (++t
.tm_mon
== 12) {
1252 if (t
.tm_mday
< old_mday
) {
1253 /* mon==1 mday==29 got bumped to mon==2 */
1254 if (t
.tm_mon
!= 2 || old_mday
!= 29)
1262 if ((val
= mktime(&t
)) == (time_t)-1) {
1263 /* This code shouldn't be needed, as mktime() should auto-round to the next month. */
1264 if (in_date
!= 3 || t
.tm_mday
<= 28)
1266 t
.tm_mday
= old_mday
= 1;
1278 static void create_refuse_error(int which
)
1282 msg
= "The server is configured to refuse";
1284 msg
= "The server does not support";
1286 msg
= "This rsync does not support";
1288 /* The "which" value is the index + OPT_REFUSED_BASE. */
1289 struct poptOption
*op
= &long_options
[which
- OPT_REFUSED_BASE
];
1290 int n
= snprintf(err_buf
, sizeof err_buf
, "%s --%s\n", msg
, op
->longName
) - 1;
1292 snprintf(err_buf
+ n
, sizeof err_buf
- n
, " (-%c)\n", op
->shortName
);
1295 /* This is used to make sure that --daemon & --server cannot be aliased to
1296 * something else. These options have always disabled popt aliases for the
1297 * parsing of a daemon or server command-line, but we have to make sure that
1298 * these options cannot vanish so that the alias disabling can take effect. */
1299 static void popt_unalias(poptContext con
, const char *opt
)
1301 struct poptAlias unalias
;
1303 memset(&unalias
, 0, sizeof unalias
);
1305 unalias
.longName
= opt
+ 2; /* point past the leading "--" */
1307 unalias
.argv
= new_array0(const char*, 2);
1308 unalias
.argv
[0] = strdup(opt
);
1310 poptAddAlias(con
, unalias
, 0);
1313 char *alt_dest_opt(int type
)
1316 type
= alt_dest_type
;
1320 return "--compare-dest";
1322 return "--copy-dest";
1324 return "--link-dest";
1326 NOISY_DEATH("Unknown alt_dest_opt type");
1331 * Process command line arguments. Called on both local and remote.
1333 * @retval 1 if all options are OK; with globals set to appropriate
1336 * @retval 0 on error, with err_buf containing an explanation
1338 int parse_arguments(int *argc_p
, const char ***argv_p
)
1340 static poptContext pc
;
1341 const char *arg
, **argv
= *argv_p
;
1343 int opt
, want_dest_type
;
1344 int orig_protect_args
= protect_args
;
1347 strlcpy(err_buf
, "argc is zero!\n", sizeof err_buf
);
1351 set_refuse_options();
1354 if (!am_daemon
&& protect_args
<= 0 && (arg
= getenv("RSYNC_ICONV")) != NULL
&& *arg
)
1355 iconv_opt
= strdup(arg
);
1358 /* TODO: Call poptReadDefaultConfig; handle errors. */
1360 /* The context leaks in case of an error, but if there's a
1361 * problem we always exit anyhow. */
1363 poptFreeContext(pc
);
1364 pc
= poptGetContext(RSYNC_NAME
, argc
, argv
, long_options
, 0);
1366 poptReadDefaultConfig(pc
, 0);
1367 popt_unalias(pc
, "--daemon");
1368 popt_unalias(pc
, "--server");
1371 while ((opt
= poptGetNextOpt(pc
)) != -1) {
1372 /* most options are handled automatically by popt;
1373 * only special cases are returned and listed here. */
1382 /* Disable popt aliases on the server side and
1383 * then start parsing the options again. */
1384 poptFreeContext(pc
);
1385 pc
= poptGetContext(RSYNC_NAME
, argc
, argv
, long_options
, 0);
1396 exit_cleanup(RERR_SYNTAX
);
1404 "Attempt to hack rsync thwarted!\n",
1412 poptFreeContext(pc
);
1413 pc
= poptGetContext(RSYNC_NAME
, argc
, argv
, long_daemon_options
, 0);
1414 while ((opt
= poptGetNextOpt(pc
)) != -1) {
1418 daemon_usage(FINFO
);
1422 arg
= poptGetOptArg(pc
);
1423 if (!strchr(arg
, '=')) {
1425 "--dparam value is missing an '=': %s\n",
1429 cpp
= EXPAND_ITEM_LIST(&dparam_list
, char *, 4);
1439 "rsync: %s: %s (in daemon mode)\n",
1440 poptBadOption(pc
, POPT_BADOPTION_NOALIAS
),
1446 if (dparam_list
.count
&& !set_dparams(1))
1447 exit_cleanup(RERR_SYNTAX
);
1449 if (tmpdir
&& strlen(tmpdir
) >= MAXPATHLEN
- 10) {
1450 snprintf(err_buf
, sizeof err_buf
,
1451 "the --temp-dir path is WAY too long.\n");
1456 rprintf(FERROR
, "Daemon option(s) used without --daemon.\n");
1458 rprintf(FERROR
, "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1459 exit_cleanup(RERR_SYNTAX
);
1462 *argv_p
= argv
= poptGetArgs(pc
);
1463 *argc_p
= argc
= count_args(argv
);
1469 case OPT_MODIFY_WINDOW
:
1470 /* The value has already been set by popt, but
1471 * we need to remember that we're using a
1472 * non-default setting. */
1473 modify_window_set
= 1;
1477 parse_filter_str(&filter_list
, poptGetOptArg(pc
),
1478 rule_template(0), 0);
1482 parse_filter_str(&filter_list
, poptGetOptArg(pc
),
1483 rule_template(0), XFLG_OLD_PREFIXES
);
1487 parse_filter_str(&filter_list
, poptGetOptArg(pc
),
1488 rule_template(FILTRULE_INCLUDE
), XFLG_OLD_PREFIXES
);
1491 case OPT_EXCLUDE_FROM
:
1492 case OPT_INCLUDE_FROM
:
1493 arg
= poptGetOptArg(pc
);
1495 arg
= sanitize_path(NULL
, arg
, NULL
, 0, SP_DEFAULT
);
1496 if (daemon_filter_list
.head
) {
1498 char *cp
= strdup(arg
);
1502 char *dir
= cp
+ (*cp
== '/' ? module_dirlen
: 0);
1503 clean_fname(dir
, CFN_COLLAPSE_DOT_DOT_DIRS
);
1504 rej
= check_filter(&daemon_filter_list
, FLOG
, dir
, 0) < 0;
1508 goto options_rejected
;
1510 parse_filter_file(&filter_list
, arg
,
1511 rule_template(opt
== OPT_INCLUDE_FROM
? FILTRULE_INCLUDE
: 0),
1512 XFLG_FATAL_ERRORS
| XFLG_OLD_PREFIXES
);
1516 if (refused_archive_part
) {
1517 create_refuse_error(refused_archive_part
);
1520 if (!recurse
) /* preserve recurse == 2 */
1522 #ifdef SUPPORT_LINKS
1526 preserve_mtimes
= 1;
1529 preserve_devices
= 1;
1530 preserve_specials
= 1;
1534 preserve_devices
= preserve_specials
= 1;
1538 preserve_devices
= preserve_specials
= 0;
1546 preserve_hard_links
++;
1554 if (++preserve_atimes
> 1)
1575 switch (++F_option_cnt
) {
1577 parse_filter_str(&filter_list
,": /.rsync-filter",rule_template(0),0);
1580 parse_filter_str(&filter_list
,"- .rsync-filter",rule_template(0),0);
1586 if (refused_partial
|| refused_progress
) {
1587 create_refuse_error(refused_partial
? refused_partial
: refused_progress
);
1598 case OPT_OLD_COMPRESS
:
1599 compress_choice
= "zlib";
1602 case OPT_NEW_COMPRESS
:
1603 compress_choice
= "zlibx";
1606 case OPT_NO_COMPRESS
:
1608 compress_choice
= NULL
;
1612 if (old_style_args
<= 0)
1619 arg
= poptGetOptArg(pc
);
1621 snprintf(err_buf
, sizeof err_buf
,
1622 "Remote option must start with a dash: %s\n", arg
);
1625 if (remote_option_cnt
+2 >= remote_option_alloc
) {
1626 remote_option_alloc
+= 16;
1627 remote_options
= realloc_array(remote_options
,
1628 const char *, remote_option_alloc
);
1629 if (!remote_option_cnt
)
1630 remote_options
[0] = "ARG0";
1632 remote_options
[++remote_option_cnt
] = arg
;
1633 remote_options
[remote_option_cnt
+1] = NULL
;
1636 case OPT_WRITE_BATCH
:
1637 /* batch_name is already set */
1641 case OPT_ONLY_WRITE_BATCH
:
1642 /* batch_name is already set */
1646 case OPT_READ_BATCH
:
1647 /* batch_name is already set */
1657 case OPT_BLOCK_SIZE
: {
1658 /* We may not know the real protocol_version at this point if this is the client
1659 * option parsing, but we still want to check it so that the client can specify
1660 * a --protocol=29 option with a larger block size. */
1661 int max_blength
= protocol_version
< 30 ? OLD_MAX_BLOCK_SIZE
: MAX_BLOCK_SIZE
;
1663 arg
= poptGetOptArg(pc
);
1664 if ((size
= parse_size_arg(arg
, 'b', "block-size", 0, max_blength
, False
)) < 0)
1666 block_size
= (int32
)size
;
1671 if ((max_size
= parse_size_arg(max_size_arg
, 'b', "max-size", 0, -1, False
)) < 0)
1673 max_size_arg
= strdup(do_big_num(max_size
, 0, NULL
));
1677 if ((min_size
= parse_size_arg(min_size_arg
, 'b', "min-size", 0, -1, False
)) < 0)
1679 min_size_arg
= strdup(do_big_num(min_size
, 0, NULL
));
1683 ssize_t size
= parse_size_arg(bwlimit_arg
, 'K', "bwlimit", 512, -1, True
);
1686 bwlimit_arg
= strdup(do_big_num(size
, 0, NULL
));
1687 bwlimit
= (size
+ 512) / 1024;
1699 want_dest_type
= LINK_DEST
;
1703 want_dest_type
= COPY_DEST
;
1706 case OPT_COMPARE_DEST
:
1707 want_dest_type
= COMPARE_DEST
;
1710 if (alt_dest_type
&& alt_dest_type
!= want_dest_type
) {
1711 snprintf(err_buf
, sizeof err_buf
,
1712 "ERROR: the %s option conflicts with the %s option\n",
1713 alt_dest_opt(want_dest_type
), alt_dest_opt(0));
1716 alt_dest_type
= want_dest_type
;
1718 if (basis_dir_cnt
>= MAX_BASIS_DIRS
) {
1719 snprintf(err_buf
, sizeof err_buf
,
1720 "ERROR: at most %d %s args may be specified\n",
1721 MAX_BASIS_DIRS
, alt_dest_opt(0));
1724 /* We defer sanitizing this arg until we know what
1725 * our destination directory is going to be. */
1726 basis_dir
[basis_dir_cnt
++] = (char *)poptGetOptArg(pc
);
1730 arg
= poptGetOptArg(pc
);
1731 if (!parse_chmod(arg
, &chmod_modes
)) {
1732 snprintf(err_buf
, sizeof err_buf
,
1733 "Invalid argument passed to --chmod (%s)\n",
1740 arg
= poptGetOptArg(pc
);
1741 parse_output_words(info_words
, info_levels
, arg
, USER_PRIORITY
);
1745 arg
= poptGetOptArg(pc
);
1746 parse_output_words(debug_words
, debug_levels
, arg
, USER_PRIORITY
);
1751 if (usermap_via_chown
) {
1752 snprintf(err_buf
, sizeof err_buf
,
1753 "--usermap conflicts with prior --chown.\n");
1756 snprintf(err_buf
, sizeof err_buf
,
1757 "You can only specify --usermap once.\n");
1760 usermap
= (char *)poptGetOptArg(pc
);
1761 usermap_via_chown
= False
;
1767 if (groupmap_via_chown
) {
1768 snprintf(err_buf
, sizeof err_buf
,
1769 "--groupmap conflicts with prior --chown.\n");
1772 snprintf(err_buf
, sizeof err_buf
,
1773 "You can only specify --groupmap once.\n");
1776 groupmap
= (char *)poptGetOptArg(pc
);
1777 groupmap_via_chown
= False
;
1782 const char *chown
= poptGetOptArg(pc
);
1784 if ((arg
= strchr(chown
, ':')) != NULL
)
1785 len
= arg
++ - chown
;
1787 len
= strlen(chown
);
1790 if (!usermap_via_chown
) {
1791 snprintf(err_buf
, sizeof err_buf
,
1792 "--chown conflicts with prior --usermap.\n");
1795 snprintf(err_buf
, sizeof err_buf
,
1796 "You can only specify a user-affecting --chown once.\n");
1799 if (asprintf(&usermap
, "*:%.*s", len
, chown
) < 0)
1800 out_of_memory("parse_arguments");
1801 usermap_via_chown
= True
;
1806 if (!groupmap_via_chown
) {
1807 snprintf(err_buf
, sizeof err_buf
,
1808 "--chown conflicts with prior --groupmap.\n");
1811 snprintf(err_buf
, sizeof err_buf
,
1812 "You can only specify a group-affecting --chown once.\n");
1815 if (asprintf(&groupmap
, "*:%s", arg
) < 0)
1816 out_of_memory("parse_arguments");
1817 groupmap_via_chown
= True
;
1833 /* FIXME: this should probably be ignored with a
1834 * warning and then countermeasures taken to
1835 * restrict group and other access in the presence
1836 * of any more restrictive ACLs, but this is safe
1838 snprintf(err_buf
,sizeof(err_buf
),
1839 "ACLs are not supported on this %s\n",
1840 am_server
? "server" : "client");
1845 #ifdef SUPPORT_XATTRS
1849 snprintf(err_buf
,sizeof(err_buf
),
1850 "extended attributes are not supported on this %s\n",
1851 am_server
? "server" : "client");
1855 case OPT_STOP_AFTER
: {
1857 arg
= poptGetOptArg(pc
);
1858 stop_at_utime
= time(NULL
);
1859 if ((val
= atol(arg
) * 60) <= 0 || LONG_MAX
- val
< stop_at_utime
|| (long)(time_t)val
!= val
) {
1860 snprintf(err_buf
, sizeof err_buf
, "invalid --stop-after value: %s\n", arg
);
1863 stop_at_utime
+= val
;
1869 arg
= poptGetOptArg(pc
);
1870 if ((stop_at_utime
= parse_time(arg
)) == (time_t)-1) {
1871 snprintf(err_buf
, sizeof err_buf
, "invalid --stop-at format: %s\n", arg
);
1874 if (stop_at_utime
<= time(NULL
)) {
1875 snprintf(err_buf
, sizeof err_buf
, "--stop-at time is not in the future: %s\n", arg
);
1883 arg
= poptGetOptArg(pc
);
1885 if (len
&& strncmp("errors", arg
, len
) == 0)
1887 else if (len
&& strncmp("all", arg
, len
) == 0)
1889 else if (len
&& strncmp("client", arg
, len
) == 0)
1892 snprintf(err_buf
, sizeof err_buf
,
1893 "--stderr mode \"%s\" is not one of errors, all, or client\n", arg
);
1901 /* A large opt value means that set_refuse_options()
1902 * turned this option off. */
1903 if (opt
>= OPT_REFUSED_BASE
) {
1904 create_refuse_error(opt
);
1907 snprintf(err_buf
, sizeof err_buf
, "%s%s: %s\n",
1908 am_server
? "on remote machine: " : "",
1909 poptBadOption(pc
, POPT_BADOPTION_NOALIAS
),
1915 if (msgs2stderr
!= 2)
1918 if (version_opt_cnt
) {
1919 print_rsync_version(FINFO
);
1923 if (!max_alloc_arg
) {
1924 max_alloc_arg
= getenv("RSYNC_MAX_ALLOC");
1925 if (max_alloc_arg
&& !*max_alloc_arg
)
1926 max_alloc_arg
= NULL
;
1928 if (max_alloc_arg
) {
1929 ssize_t size
= parse_size_arg(max_alloc_arg
, 'B', "max-alloc", 1024*1024, -1, True
);
1935 if (old_style_args
< 0) {
1936 if (!am_server
&& protect_args
<= 0 && (arg
= getenv("RSYNC_OLD_ARGS")) != NULL
&& *arg
) {
1938 old_style_args
= atoi(arg
);
1941 } else if (old_style_args
) {
1942 if (protect_args
> 0) {
1943 snprintf(err_buf
, sizeof err_buf
,
1944 "--protect-args conflicts with --old-args.\n");
1950 if (protect_args
< 0) {
1953 else if ((arg
= getenv("RSYNC_PROTECT_ARGS")) != NULL
&& *arg
)
1954 protect_args
= atoi(arg
) ? 1 : 0;
1956 #ifdef RSYNC_USE_PROTECTED_ARGS
1964 if (checksum_choice
&& strcasecmp(checksum_choice
, "auto") != 0 && strcasecmp(checksum_choice
, "auto,auto") != 0) {
1965 /* Call this early to verify the args and figure out if we need to force
1966 * --whole-file. Note that the parse function will get called again later,
1967 * just in case an "auto" choice needs to know the protocol_version. */
1968 parse_checksum_choice(0);
1970 checksum_choice
= NULL
;
1972 if (human_readable
> 1 && argc
== 2 && !am_server
) {
1973 /* Allow the old meaning of 'h' (--help) on its own. */
1978 if (!compress_choice
&& do_compression
> 1)
1979 compress_choice
= "zlibx";
1980 if (compress_choice
&& strcasecmp(compress_choice
, "auto") != 0)
1981 parse_compress_choice(0); /* Twiddles do_compression and can possibly NULL-out compress_choice. */
1983 compress_choice
= NULL
;
1985 if (do_compression
|| do_compression_level
!= CLVL_NOT_SPECIFIED
) {
1986 if (!do_compression
)
1987 do_compression
= CPRES_AUTO
;
1988 if (do_compression
&& refused_compress
) {
1989 create_refuse_error(refused_compress
);
1995 if (outbuf_mode
&& !am_server
) {
1996 int mode
= *(uchar
*)outbuf_mode
;
1998 mode
= toupper(mode
);
1999 fflush(stdout
); /* Just in case... */
2001 case 'N': /* None */
2002 case 'U': /* Unbuffered */
2005 case 'L': /* Line */
2008 case 'B': /* Block */
2009 case 'F': /* Full */
2013 snprintf(err_buf
, sizeof err_buf
,
2014 "Invalid --outbuf setting -- specify N, L, or B.\n");
2017 setvbuf(stdout
, (char *)NULL
, mode
, 0);
2020 if (msgs2stderr
== 1) { /* Are all messages going to stderr? */
2021 /* Make stderr line buffered for better sharing of the stream. */
2022 fflush(stderr
); /* Just in case... */
2023 setvbuf(stderr
, (char *)NULL
, _IOLBF
, 0);
2027 set_output_verbosity(verbose
, DEFAULT_PRIORITY
);
2030 parse_output_words(info_words
, info_levels
,
2031 verbose
> 1 ? "stats3" : "stats2", DEFAULT_PRIORITY
);
2035 if (iconv_opt
&& protect_args
!= 2) {
2036 if (!am_server
&& strcmp(iconv_opt
, "-") == 0)
2039 need_unsorted_flist
= 1;
2041 if (refused_no_iconv
&& !iconv_opt
) {
2042 create_refuse_error(refused_no_iconv
);
2047 if (fuzzy_basis
> 1)
2048 fuzzy_basis
= basis_dir_cnt
+ 1;
2050 /* Don't let the client reset protect_args if it was already processed */
2051 if (orig_protect_args
== 2 && am_server
)
2052 protect_args
= orig_protect_args
;
2054 if (protect_args
== 1 && am_server
)
2057 *argv_p
= argv
= poptGetArgs(pc
);
2058 *argc_p
= argc
= count_args(argv
);
2060 #ifndef SUPPORT_LINKS
2061 if (preserve_links
&& !am_sender
) {
2062 snprintf(err_buf
, sizeof err_buf
,
2063 "symlinks are not supported on this %s\n",
2064 am_server
? "server" : "client");
2069 #ifndef SUPPORT_HARD_LINKS
2070 if (preserve_hard_links
) {
2071 snprintf(err_buf
, sizeof err_buf
,
2072 "hard links are not supported on this %s\n",
2073 am_server
? "server" : "client");
2078 #ifdef SUPPORT_XATTRS
2079 if (am_root
< 0 && preserve_xattrs
> 1) {
2080 snprintf(err_buf
, sizeof err_buf
,
2081 "--fake-super conflicts with -XX\n");
2086 snprintf(err_buf
, sizeof err_buf
,
2087 "--fake-super requires an rsync with extended attributes enabled\n");
2092 if (write_batch
&& read_batch
) {
2093 snprintf(err_buf
, sizeof err_buf
,
2094 "--write-batch and --read-batch can not be used together\n");
2097 if (write_batch
> 0 || read_batch
) {
2100 "ignoring --%s-batch option sent to server\n",
2101 write_batch
? "write" : "read");
2102 /* We don't actually exit_cleanup(), so that we can
2103 * still service older version clients that still send
2104 * batch args to server. */
2105 read_batch
= write_batch
= 0;
2109 } else if (write_batch
< 0 && dry_run
)
2111 if (read_batch
&& files_from
) {
2112 snprintf(err_buf
, sizeof err_buf
,
2113 "--read-batch cannot be used with --files-from\n");
2116 if (read_batch
&& remove_source_files
) {
2117 snprintf(err_buf
, sizeof err_buf
,
2118 "--read-batch cannot be used with --remove-%s-files\n",
2119 remove_source_files
== 1 ? "source" : "sent");
2122 if (batch_name
&& strlen(batch_name
) > MAX_BATCH_NAME_LEN
) {
2123 snprintf(err_buf
, sizeof err_buf
,
2124 "the batch-file name must be %d characters or less.\n",
2125 MAX_BATCH_NAME_LEN
);
2129 if (tmpdir
&& strlen(tmpdir
) >= MAXPATHLEN
- 10) {
2130 snprintf(err_buf
, sizeof err_buf
,
2131 "the --temp-dir path is WAY too long.\n");
2135 if (max_delete
< 0 && max_delete
!= INT_MIN
) {
2136 /* Negative numbers are treated as "no deletions". */
2141 if (recurse
== 1) /* preserve recurse == 2 */
2147 if (argc
< 2 && !read_batch
&& !am_server
)
2150 if (xfer_dirs
>= 4) {
2151 parse_filter_str(&filter_list
, "- /*/*", rule_template(0), 0);
2152 recurse
= xfer_dirs
= 1;
2155 else if (xfer_dirs
< 0)
2156 xfer_dirs
= list_only
? 1 : 0;
2158 if (relative_paths
< 0)
2159 relative_paths
= files_from
? 1 : 0;
2160 if (!relative_paths
)
2163 if (delete_before
+ !!delete_during
+ delete_after
> 1) {
2164 snprintf(err_buf
, sizeof err_buf
,
2165 "You may not combine multiple --delete-WHEN options.\n");
2168 if (delete_before
|| delete_during
|| delete_after
)
2170 else if (delete_mode
|| delete_excluded
) {
2171 /* Only choose now between before & during if one is refused. */
2172 if (refused_delete_before
) {
2173 if (!refused_delete_during
)
2176 create_refuse_error(refused_delete_before
);
2179 } else if (refused_delete_during
)
2183 if (!xfer_dirs
&& delete_mode
) {
2184 snprintf(err_buf
, sizeof err_buf
,
2185 "--delete does not work without --recursive (-r) or --dirs (-d).\n");
2189 if (missing_args
== 3) /* simplify if both options were specified */
2191 if (refused_delete
&& (delete_mode
|| missing_args
== 2)) {
2192 create_refuse_error(refused_delete
);
2196 if (remove_source_files
) {
2197 /* We only want to infer this refusal of --remove-source-files
2198 * via the refusal of "delete", not any of the "delete-FOO"
2200 if (refused_delete
&& am_sender
) {
2201 create_refuse_error(refused_delete
);
2204 need_messages_from_generator
= 1;
2207 if (munge_symlinks
&& !am_daemon
) {
2209 char prefix
[SYMLINK_PREFIX_LEN
]; /* NOT +1 ! */
2210 strlcpy(prefix
, SYMLINK_PREFIX
, sizeof prefix
); /* trim the trailing slash */
2211 if (do_stat(prefix
, &st
) == 0 && S_ISDIR(st
.st_mode
)) {
2212 rprintf(FERROR
, "Symlink munging is unsafe when a %s directory exists.\n",
2214 exit_cleanup(RERR_UNSUPPORTED
);
2218 if (sanitize_paths
) {
2220 for (i
= argc
; i
-- > 0; )
2221 argv
[i
] = sanitize_path(NULL
, argv
[i
], "", 0, SP_KEEP_DOT_DIRS
);
2223 tmpdir
= sanitize_path(NULL
, tmpdir
, NULL
, 0, SP_DEFAULT
);
2225 backup_dir
= sanitize_path(NULL
, backup_dir
, NULL
, 0, SP_DEFAULT
);
2227 if (daemon_filter_list
.head
&& !am_sender
) {
2228 filter_rule_list
*elp
= &daemon_filter_list
;
2232 goto options_rejected
;
2233 dir
= tmpdir
+ (*tmpdir
== '/' ? module_dirlen
: 0);
2234 clean_fname(dir
, CFN_COLLAPSE_DOT_DOT_DIRS
);
2235 if (check_filter(elp
, FLOG
, dir
, 1) < 0)
2236 goto options_rejected
;
2241 goto options_rejected
;
2242 dir
= backup_dir
+ (*backup_dir
== '/' ? module_dirlen
: 0);
2243 clean_fname(dir
, CFN_COLLAPSE_DOT_DOT_DIRS
);
2244 if (check_filter(elp
, FLOG
, dir
, 1) < 0)
2245 goto options_rejected
;
2250 backup_suffix
= backup_dir
? "" : BACKUP_SUFFIX
;
2251 backup_suffix_len
= strlen(backup_suffix
);
2252 if (strchr(backup_suffix
, '/') != NULL
) {
2253 snprintf(err_buf
, sizeof err_buf
,
2254 "--suffix cannot contain slashes: %s\n",
2260 make_backups
= 1; /* --backup-dir implies --backup */
2261 while (*backup_dir
== '.' && backup_dir
[1] == '/')
2263 if (*backup_dir
== '.' && backup_dir
[1] == '\0')
2265 len
= strlcpy(backup_dir_buf
, backup_dir
, sizeof backup_dir_buf
);
2266 if (len
> sizeof backup_dir_buf
- 128) {
2267 snprintf(err_buf
, sizeof err_buf
,
2268 "the --backup-dir path is WAY too long.\n");
2271 backup_dir_len
= (int)len
;
2272 if (!backup_dir_len
) {
2273 backup_dir_len
= -1;
2275 } else if (backup_dir_buf
[backup_dir_len
- 1] != '/') {
2276 backup_dir_buf
[backup_dir_len
++] = '/';
2277 backup_dir_buf
[backup_dir_len
] = '\0';
2279 backup_dir_remainder
= sizeof backup_dir_buf
- backup_dir_len
;
2282 /* No need for a suffix or a protect rule. */
2283 } else if (!backup_suffix_len
&& (!am_server
|| !am_sender
)) {
2284 snprintf(err_buf
, sizeof err_buf
,
2285 "--suffix cannot be empty %s\n", backup_dir_len
< 0
2286 ? "when --backup-dir is the same as the dest dir"
2287 : "without a --backup-dir");
2289 } else if (make_backups
&& delete_mode
&& !delete_excluded
&& !am_server
) {
2290 snprintf(backup_dir_buf
, sizeof backup_dir_buf
,
2291 "P *%s", backup_suffix
);
2292 parse_filter_str(&filter_list
, backup_dir_buf
, rule_template(0), 0);
2295 if (make_backups
&& !backup_dir
)
2296 omit_dir_times
= -1; /* Implied, so avoid -O to sender. */
2298 if (stdout_format
) {
2299 if (am_server
&& log_format_has(stdout_format
, 'I'))
2300 stdout_format_has_i
= 2;
2301 else if (log_format_has(stdout_format
, 'i'))
2302 stdout_format_has_i
= itemize_changes
| 1;
2303 if (!log_format_has(stdout_format
, 'b')
2304 && !log_format_has(stdout_format
, 'c')
2305 && !log_format_has(stdout_format
, 'C'))
2306 log_before_transfer
= !am_server
;
2307 } else if (itemize_changes
) {
2308 stdout_format
= "%i %n%L";
2309 stdout_format_has_i
= itemize_changes
;
2310 log_before_transfer
= !am_server
;
2313 if (do_progress
&& !am_server
) {
2314 if (!log_before_transfer
&& INFO_EQ(NAME
, 0))
2315 parse_output_words(info_words
, info_levels
, "name", DEFAULT_PRIORITY
);
2316 parse_output_words(info_words
, info_levels
, "flist2,progress", DEFAULT_PRIORITY
);
2322 set_io_timeout(io_timeout
);
2324 if (INFO_GTE(NAME
, 1) && !stdout_format
) {
2325 stdout_format
= "%n%L";
2326 log_before_transfer
= !am_server
;
2328 if (stdout_format_has_i
|| log_format_has(stdout_format
, 'o'))
2329 stdout_format_has_o_or_i
= 1;
2331 if (logfile_name
&& !am_daemon
) {
2332 if (!logfile_format
) {
2333 logfile_format
= "%i %n%L";
2334 logfile_format_has_i
= logfile_format_has_o_or_i
= 1;
2336 if (log_format_has(logfile_format
, 'i'))
2337 logfile_format_has_i
= 1;
2338 if (logfile_format_has_i
|| log_format_has(logfile_format
, 'o'))
2339 logfile_format_has_o_or_i
= 1;
2342 } else if (!am_daemon
)
2343 logfile_format
= NULL
;
2345 if (daemon_bwlimit
&& (!bwlimit
|| bwlimit
> daemon_bwlimit
))
2346 bwlimit
= daemon_bwlimit
;
2348 bwlimit_writemax
= (size_t)bwlimit
* 128;
2349 if (bwlimit_writemax
< 512)
2350 bwlimit_writemax
= 512;
2354 if (whole_file
> 0) {
2355 snprintf(err_buf
, sizeof err_buf
,
2356 "--append cannot be used with --whole-file\n");
2359 if (refused_inplace
) {
2360 create_refuse_error(refused_inplace
);
2366 if (write_devices
) {
2367 if (refused_inplace
) {
2368 create_refuse_error(refused_inplace
);
2374 if (delay_updates
&& !partial_dir
)
2375 partial_dir
= tmp_partialdir
;
2378 #ifdef HAVE_FTRUNCATE
2380 snprintf(err_buf
, sizeof err_buf
,
2381 "--%s cannot be used with --%s\n",
2382 append_mode
? "append" : "inplace",
2383 delay_updates
? "delay-updates" : "partial-dir");
2386 /* --inplace implies --partial for refusal purposes, but we
2387 * clear the keep_partial flag for internal logic purposes. */
2388 if (refused_partial
) {
2389 create_refuse_error(refused_partial
);
2394 snprintf(err_buf
, sizeof err_buf
,
2395 "--%s is not supported on this %s\n",
2396 append_mode
? "append" : "inplace",
2397 am_server
? "server" : "client");
2401 if (keep_partial
&& !partial_dir
&& !am_server
) {
2402 if ((arg
= getenv("RSYNC_PARTIAL_DIR")) != NULL
&& *arg
)
2403 partial_dir
= strdup(arg
);
2407 clean_fname(partial_dir
, CFN_COLLAPSE_DOT_DOT_DIRS
);
2408 if (!*partial_dir
|| strcmp(partial_dir
, ".") == 0)
2410 if (!partial_dir
&& refused_partial
) {
2411 create_refuse_error(refused_partial
);
2421 if (argc
> 2 || (!am_daemon
&& !am_server
&& argc
== 1)) {
2423 exit_cleanup(RERR_SYNTAX
);
2425 if (strcmp(files_from
, "-") == 0) {
2428 filesfrom_host
= ""; /* reading from socket */
2429 } else if ((p
= check_for_hostspec(files_from
, &h
, &q
)) != 0) {
2431 snprintf(err_buf
, sizeof err_buf
,
2432 "The --files-from sent to the server cannot specify a host.\n");
2437 if (strcmp(files_from
, "-") == 0) {
2438 snprintf(err_buf
, sizeof err_buf
,
2439 "Invalid --files-from remote filename\n");
2444 files_from
= sanitize_path(NULL
, files_from
, NULL
, 0, SP_DEFAULT
);
2445 if (daemon_filter_list
.head
) {
2448 goto options_rejected
;
2449 dir
= files_from
+ (*files_from
== '/' ? module_dirlen
: 0);
2450 clean_fname(dir
, CFN_COLLAPSE_DOT_DOT_DIRS
);
2451 if (check_filter(&daemon_filter_list
, FLOG
, dir
, 0) < 0)
2452 goto options_rejected
;
2454 filesfrom_fd
= open(files_from
, O_RDONLY
|O_BINARY
);
2455 if (filesfrom_fd
< 0) {
2456 snprintf(err_buf
, sizeof err_buf
,
2457 "failed to open files-from file %s: %s\n",
2458 files_from
, strerror(errno
));
2469 snprintf(err_buf
, sizeof err_buf
,
2470 "Your options have been rejected by the server.\n");
2475 static char SPLIT_ARG_WHEN_OLD
[1];
2478 * Do backslash quoting of any weird chars in "arg", append the resulting
2479 * string to the end of the "opt" (which gets a "=" appended if it is not
2480 * an empty or NULL string), and return the (perhaps malloced) result.
2481 * If opt is NULL, arg is considered a filename arg that allows wildcards.
2482 * If it is "" or any other value, it is considered an option.
2484 char *safe_arg(const char *opt
, const char *arg
)
2486 #define SHELL_CHARS "!#$&;|<>(){}\"' \t\\"
2487 #define WILD_CHARS "*?[]" /* We don't allow remote brace expansion */
2488 BOOL is_filename_arg
= !opt
;
2489 char *escapes
= is_filename_arg
? SHELL_CHARS
: WILD_CHARS SHELL_CHARS
;
2490 BOOL escape_leading_dash
= is_filename_arg
&& *arg
== '-';
2491 int len1
= opt
&& *opt
? strlen(opt
) + 1 : 0;
2492 int len2
= strlen(arg
);
2493 int extras
= escape_leading_dash
? 2 : 0;
2495 if (!protect_args
&& old_style_args
< 2 && (!old_style_args
|| (!is_filename_arg
&& opt
!= SPLIT_ARG_WHEN_OLD
))) {
2497 for (f
= arg
; *f
; f
++) {
2498 if (strchr(escapes
, *f
))
2502 if (!len1
&& !extras
)
2504 ret
= new_array(char, len1
+ len2
+ extras
+ 1);
2506 memcpy(ret
, opt
, len1
-1);
2509 if (escape_leading_dash
) {
2515 memcpy(ret
+ len1
, arg
, len2
);
2517 const char *f
= arg
;
2518 char *t
= ret
+ len1
;
2520 if (strchr(escapes
, *f
))
2525 ret
[len1
+len2
+extras
] = '\0';
2531 * Construct a filtered list of options to pass through from the
2532 * client to the server.
2534 * This involves setting options that will tell the server how to
2535 * behave, and also filtering out options that are processed only
2538 void server_options(char **args
, int *argc_p
)
2540 static char argstr
[64];
2546 /* This should always remain first on the server's command-line. */
2547 args
[ac
++] = "--server";
2550 args
[ac
++] = "--sender";
2558 for (i
= 0; i
< verbose
; i
++)
2561 if (quiet
&& msgs2stderr
)
2567 if (!do_xfers
) /* Note: NOT "dry_run"! */
2571 if ((xfer_dirs
>= 2 && xfer_dirs
< 4)
2572 || (xfer_dirs
&& !recurse
&& (list_only
|| (delete_mode
&& am_sender
))))
2577 if (prune_empty_dirs
)
2579 if (omit_dir_times
> 0)
2581 if (omit_link_times
)
2585 if (fuzzy_basis
> 1)
2597 /* We don't need to send --no-whole-file, because it's the
2598 * default for remote transfers, and in any case old versions
2599 * of rsync will not understand it. */
2601 if (preserve_hard_links
) {
2603 if (preserve_hard_links
> 1)
2610 if (preserve_devices
) /* ignore preserve_specials here */
2612 if (preserve_mtimes
)
2614 if (preserve_atimes
) {
2616 if (preserve_atimes
> 1)
2619 #ifdef SUPPORT_CRTIMES
2620 if (preserve_crtimes
)
2625 else if (preserve_executability
&& am_sender
)
2631 #ifdef SUPPORT_XATTRS
2632 if (preserve_xattrs
) {
2634 if (preserve_xattrs
> 1)
2640 if (always_checksum
)
2648 if (one_file_system
) {
2650 if (one_file_system
> 1)
2655 if (do_compression
== CPRES_ZLIB
)
2658 set_allow_inc_recurse();
2660 /* This '\0'-terminates argstr and makes sure it didn't overflow. */
2661 x
+= maybe_add_e_option(argstr
+ x
, (int)sizeof argstr
- x
);
2664 args
[ac
++] = argstr
;
2668 char *set
= strchr(iconv_opt
, ',');
2673 args
[ac
++] = safe_arg("--iconv", set
);
2677 if (protect_args
&& !local_server
) /* unprotected args stop here */
2681 args
[ac
++] = "--list-only";
2683 /* This makes sure that the remote rsync can handle deleting with -d
2684 * sans -r because the --no-r option was added at the same time. */
2685 if (xfer_dirs
&& !recurse
&& delete_mode
&& am_sender
)
2686 args
[ac
++] = "--no-r";
2688 if (do_compression
&& do_compression_level
!= CLVL_NOT_SPECIFIED
) {
2689 if (asprintf(&arg
, "--compress-level=%d", do_compression_level
) < 0)
2694 if (preserve_devices
) {
2695 /* Note: sending "--devices" would not be backward-compatible. */
2696 if (!preserve_specials
)
2697 args
[ac
++] = "--no-specials"; /* -D is already set. */
2698 } else if (preserve_specials
)
2699 args
[ac
++] = "--specials";
2701 /* The server side doesn't use our log-format, but in certain
2702 * circumstances they need to know a little about the option. */
2703 if (stdout_format
&& am_sender
) {
2704 /* Use --log-format, not --out-format, for compatibility. */
2705 if (stdout_format_has_i
> 1)
2706 args
[ac
++] = "--log-format=%i%I";
2707 else if (stdout_format_has_i
)
2708 args
[ac
++] = "--log-format=%i";
2709 else if (stdout_format_has_o_or_i
)
2710 args
[ac
++] = "--log-format=%o";
2712 args
[ac
++] = "--log-format=X";
2715 if (msgs2stderr
== 1)
2716 args
[ac
++] = "--msgs2stderr";
2717 else if (msgs2stderr
== 0)
2718 args
[ac
++] = "--no-msgs2stderr";
2721 if (asprintf(&arg
, "-B%u", (int)block_size
) < 0)
2727 if (asprintf(&arg
, "--timeout=%d", io_timeout
) < 0)
2733 if (asprintf(&arg
, "--bwlimit=%d", bwlimit
) < 0)
2739 /* This split idiom allows for ~/path expansion via the shell. */
2740 args
[ac
++] = "--backup-dir";
2741 args
[ac
++] = safe_arg("", backup_dir
);
2744 /* Only send --suffix if it specifies a non-default value. */
2745 if (strcmp(backup_suffix
, backup_dir
? "" : BACKUP_SUFFIX
) != 0)
2746 args
[ac
++] = safe_arg("--suffix", backup_suffix
);
2748 if (checksum_choice
)
2749 args
[ac
++] = safe_arg("--checksum-choice", checksum_choice
);
2751 if (do_compression
== CPRES_ZLIBX
)
2752 args
[ac
++] = "--new-compress";
2753 else if (compress_choice
&& do_compression
== CPRES_ZLIB
)
2754 args
[ac
++] = "--old-compress";
2755 else if (compress_choice
)
2756 args
[ac
++] = safe_arg("--compress-choice", compress_choice
);
2759 if (max_delete
> 0) {
2760 if (asprintf(&arg
, "--max-delete=%d", max_delete
) < 0)
2763 } else if (max_delete
== 0)
2764 args
[ac
++] = "--max-delete=-1";
2766 args
[ac
++] = safe_arg("--min-size", min_size_arg
);
2768 args
[ac
++] = safe_arg("--max-size", max_size_arg
);
2770 args
[ac
++] = "--delete-before";
2771 else if (delete_during
== 2)
2772 args
[ac
++] = "--delete-delay";
2773 else if (delete_during
)
2774 args
[ac
++] = "--delete-during";
2775 else if (delete_after
)
2776 args
[ac
++] = "--delete-after";
2777 else if (delete_mode
&& !delete_excluded
)
2778 args
[ac
++] = "--delete";
2779 if (delete_excluded
)
2780 args
[ac
++] = "--delete-excluded";
2782 args
[ac
++] = "--force";
2783 if (write_batch
< 0)
2784 args
[ac
++] = "--only-write-batch=X";
2786 args
[ac
++] = "--super";
2788 args
[ac
++] = "--size-only";
2790 args
[ac
++] = "--stats";
2793 args
[ac
++] = safe_arg("--skip-compress", skip_compress
);
2796 if (max_alloc_arg
&& max_alloc
!= DEFAULT_MAX_ALLOC
)
2797 args
[ac
++] = safe_arg("--max-alloc", max_alloc_arg
);
2799 /* --delete-missing-args needs the cooperation of both sides, but
2800 * the sender can handle --ignore-missing-args by itself. */
2801 if (missing_args
== 2)
2802 args
[ac
++] = "--delete-missing-args";
2803 else if (missing_args
== 1 && !am_sender
)
2804 args
[ac
++] = "--ignore-missing-args";
2806 if (modify_window_set
&& am_sender
) {
2807 char *fmt
= modify_window
< 0 ? "-@%d" : "--modify-window=%d";
2808 if (asprintf(&arg
, fmt
, modify_window
) < 0)
2813 if (checksum_seed
) {
2814 if (asprintf(&arg
, "--checksum-seed=%d", checksum_seed
) < 0)
2819 if (partial_dir
&& am_sender
) {
2820 if (partial_dir
!= tmp_partialdir
) {
2821 args
[ac
++] = "--partial-dir";
2822 args
[ac
++] = safe_arg("", partial_dir
);
2825 args
[ac
++] = "--delay-updates";
2826 } else if (keep_partial
&& am_sender
)
2827 args
[ac
++] = "--partial";
2830 args
[ac
++] = "--ignore-errors";
2832 if (copy_unsafe_links
)
2833 args
[ac
++] = "--copy-unsafe-links";
2836 args
[ac
++] = "--safe-links";
2839 args
[ac
++] = "--numeric-ids";
2842 args
[ac
++] = "--use-qsort";
2846 args
[ac
++] = safe_arg("--usermap", usermap
);
2849 args
[ac
++] = safe_arg("--groupmap", groupmap
);
2851 if (ignore_existing
)
2852 args
[ac
++] = "--ignore-existing";
2854 /* Backward compatibility: send --existing, not --ignore-non-existing. */
2855 if (ignore_non_existing
)
2856 args
[ac
++] = "--existing";
2859 args
[ac
++] = "--temp-dir";
2860 args
[ac
++] = safe_arg("", tmpdir
);
2864 args
[ac
++] = "--fsync";
2867 /* the server only needs this option if it is not the sender,
2868 * and it may be an older version that doesn't know this
2869 * option, so don't send it if client is the sender.
2871 for (i
= 0; i
< basis_dir_cnt
; i
++) {
2872 args
[ac
++] = alt_dest_opt(0);
2873 args
[ac
++] = safe_arg("", basis_dir
[i
]);
2878 /* What flags do we need to send to the other side? */
2879 where
= (am_server
? W_CLI
: W_SRV
) | (am_sender
? W_REC
: W_SND
);
2880 arg
= make_output_option(info_words
, info_levels
, where
);
2885 if (append_mode
> 1)
2886 args
[ac
++] = "--append";
2887 args
[ac
++] = "--append";
2888 } else if (inplace
) {
2889 args
[ac
++] = "--inplace";
2890 /* Work around a bug in older rsync versions (on the remote side) for --inplace --sparse */
2891 if (sparse_files
&& !whole_file
&& am_sender
)
2892 args
[ac
++] = "--no-W";
2895 if (files_from
&& (!am_sender
|| filesfrom_host
)) {
2896 if (filesfrom_host
) {
2897 args
[ac
++] = "--files-from";
2898 args
[ac
++] = safe_arg("", files_from
);
2900 args
[ac
++] = "--from0";
2902 args
[ac
++] = "--files-from=-";
2903 args
[ac
++] = "--from0";
2905 if (!relative_paths
)
2906 args
[ac
++] = "--no-relative";
2908 /* It's OK that this checks the upper-bound of the protocol_version. */
2909 if (relative_paths
&& !implied_dirs
&& (!am_sender
|| protocol_version
>= 30))
2910 args
[ac
++] = "--no-implied-dirs";
2912 if (write_devices
&& am_sender
)
2913 args
[ac
++] = "--write-devices";
2915 if (remove_source_files
== 1)
2916 args
[ac
++] = "--remove-source-files";
2917 else if (remove_source_files
)
2918 args
[ac
++] = "--remove-sent-files";
2920 if (preallocate_files
&& am_sender
)
2921 args
[ac
++] = "--preallocate";
2923 if (open_noatime
&& preserve_atimes
<= 1)
2924 args
[ac
++] = "--open-noatime";
2926 if (mkpath_dest_arg
&& am_sender
)
2927 args
[ac
++] = "--mkpath";
2929 if (ac
> MAX_SERVER_ARGS
) { /* Not possible... */
2930 rprintf(FERROR
, "argc overflow in server_options().\n");
2931 exit_cleanup(RERR_MALLOC
);
2934 if (remote_option_cnt
) {
2936 if (ac
+ remote_option_cnt
> MAX_SERVER_ARGS
) {
2937 rprintf(FERROR
, "too many remote options specified.\n");
2938 exit_cleanup(RERR_SYNTAX
);
2940 for (j
= 1; j
<= remote_option_cnt
; j
++)
2941 args
[ac
++] = safe_arg(SPLIT_ARG_WHEN_OLD
, remote_options
[j
]);
2948 out_of_memory("server_options");
2951 int maybe_add_e_option(char *buf
, int buf_len
)
2955 /* We don't really know the actual protocol_version at this point,
2956 * but checking the pre-negotiated value allows the user to use a
2957 * --protocol=29 override to avoid the use of this -eFLAGS opt. */
2958 if (protocol_version
>= 30 && buf_len
> 0) {
2959 /* We make use of the -e option to let the server know about
2960 * any pre-release protocol version && some behavior flags. */
2963 #if SUBPROTOCOL_VERSION != 0
2964 if (protocol_version
== PROTOCOL_VERSION
)
2965 x
+= snprintf(buf
+ x
, buf_len
- x
, "%d.%d", PROTOCOL_VERSION
, SUBPROTOCOL_VERSION
);
2969 if (allow_inc_recurse
)
2971 #ifdef CAN_SET_SYMLINK_TIMES
2972 buf
[x
++] = 'L'; /* symlink time-setting support */
2975 buf
[x
++] = 's'; /* symlink iconv translation support */
2977 buf
[x
++] = 'f'; /* flist I/O-error safety support */
2978 buf
[x
++] = 'x'; /* xattr hardlink optimization not desired */
2979 buf
[x
++] = 'C'; /* support checksum seed order fix */
2980 buf
[x
++] = 'I'; /* support inplace_partial behavior */
2981 buf
[x
++] = 'v'; /* use varint for flist & compat flags; negotiate checksum */
2982 buf
[x
++] = 'u'; /* include name of uid 0 & gid 0 in the id map */
2984 /* NOTE: Avoid using 'V' -- it was represented with the high bit of a write_byte() that became a write_varint(). */
2987 if (x
>= buf_len
) { /* Not possible... */
2988 rprintf(FERROR
, "overflow in add_e_flags().\n");
2989 exit_cleanup(RERR_MALLOC
);
2997 /* If str points to a valid hostspec, return allocated memory containing the
2998 * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2999 * the string after the host part. Otherwise, return NULL. If port_ptr is
3000 * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
3001 * *port_ptr if a port number is found. Note that IPv6 IPs will have their
3002 * (required for parsing) [ and ] chars elided from the returned string. */
3003 static char *parse_hostspec(char *str
, char **path_start_ptr
, int *port_ptr
)
3005 char *s
, *host_start
= str
;
3006 int hostlen
= 0, userlen
= 0;
3009 for (s
= str
; ; s
++) {
3011 /* It is only OK if we run out of string with rsync:// */
3015 hostlen
= s
- host_start
;
3018 if (*s
== ':' || *s
== '/') {
3020 hostlen
= s
- host_start
;
3024 } else if (port_ptr
) {
3025 *port_ptr
= atoi(s
);
3026 while (isDigit(s
)) s
++;
3027 if (*s
&& *s
++ != '/')
3033 userlen
= s
- str
+ 1;
3035 } else if (*s
== '[') {
3036 if (s
!= host_start
++)
3038 while (*s
&& *s
!= ']' && *s
!= '/') s
++; /*SHARED ITERATOR*/
3039 hostlen
= s
- host_start
;
3040 if (*s
!= ']' || (s
[1] && s
[1] != '/' && s
[1] != ':') || !hostlen
)
3045 *path_start_ptr
= s
;
3046 ret
= new_array(char, userlen
+ hostlen
+ 1);
3048 strlcpy(ret
, str
, userlen
+ 1);
3049 strlcpy(ret
+ userlen
, host_start
, hostlen
+ 1);
3053 /* Look for a HOST specification of the form "HOST:PATH", "HOST::PATH", or
3054 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
3055 * memory with the HOST. If a daemon-accessing spec was specified, the value
3056 * of *port_ptr will contain a non-0 port number, otherwise it will be set to
3057 * 0. The return value is a pointer to the PATH. Note that the HOST spec can
3058 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
3059 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
3060 char *check_for_hostspec(char *s
, char **host_ptr
, int *port_ptr
)
3064 if (port_ptr
&& strncasecmp(URL_PREFIX
, s
, strlen(URL_PREFIX
)) == 0) {
3065 *host_ptr
= parse_hostspec(s
+ strlen(URL_PREFIX
), &path
, port_ptr
);
3068 *port_ptr
= -1; /* -1 indicates they want the default */
3073 *host_ptr
= parse_hostspec(s
, &path
, NULL
);
3078 if (port_ptr
&& !*port_ptr
)