1: /*
2: * Command-line (and received via daemon-socket) option parsing.
3: *
4: * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5: * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
6: * Copyright (C) 2002-2011 Wayne Davison
7: *
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.
12: *
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.
17: *
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.
20: */
21:
22: #include "rsync.h"
23: #include "ifuncs.h"
24: #include <popt.h>
25: #include "zlib/zlib.h"
26:
27: extern int module_id;
28: extern int local_server;
29: extern int sanitize_paths;
30: extern int daemon_over_rsh;
31: extern unsigned int module_dirlen;
32: extern struct filter_list_struct filter_list;
33: extern struct filter_list_struct daemon_filter_list;
34:
35: int make_backups = 0;
36:
37: /**
38: * If 1, send the whole file as literal data rather than trying to
39: * create an incremental diff.
40: *
41: * If -1, then look at whether we're local or remote and go by that.
42: *
43: * @sa disable_deltas_p()
44: **/
45: int whole_file = -1;
46:
47: int append_mode = 0;
48: int keep_dirlinks = 0;
49: int copy_dirlinks = 0;
50: int copy_links = 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;
59: int preserve_uid = 0;
60: int preserve_gid = 0;
61: int preserve_times = 0;
62: int update_only = 0;
63: int cvs_exclude = 0;
64: int dry_run = 0;
65: int do_xfers = 1;
66: int ignore_times = 0;
67: int delete_mode = 0;
68: int delete_during = 0;
69: int delete_before = 0;
70: int delete_after = 0;
71: int delete_excluded = 0;
72: int remove_source_files = 0;
73: int one_file_system = 0;
74: int protocol_version = PROTOCOL_VERSION;
75: int sparse_files = 0;
76: int do_compression = 0;
77: int def_compress_level = Z_DEFAULT_COMPRESSION;
78: int am_root = 0; /* 0 = normal, 1 = root, 2 = --super, -1 = --fake-super */
79: int am_server = 0;
80: int am_sender = 0;
81: int am_starting_up = 1;
82: int relative_paths = -1;
83: int implied_dirs = 1;
84: int numeric_ids = 0;
85: int allow_8bit_chars = 0;
86: int force_delete = 0;
87: int io_timeout = 0;
88: int prune_empty_dirs = 0;
89: int use_qsort = 0;
90: char *files_from = NULL;
91: int filesfrom_fd = -1;
92: char *filesfrom_host = NULL;
93: int eol_nulls = 0;
94: int protect_args = 0;
95: int human_readable = 0;
96: int recurse = 0;
97: int allow_inc_recurse = 1;
98: int xfer_dirs = -1;
99: int am_daemon = 0;
100: int do_stats = 0;
101: int do_progress = 0;
102: int connect_timeout = 0;
103: int keep_partial = 0;
104: int safe_symlinks = 0;
105: int copy_unsafe_links = 0;
106: int size_only = 0;
107: int daemon_bwlimit = 0;
108: int bwlimit = 0;
109: int fuzzy_basis = 0;
110: size_t bwlimit_writemax = 0;
111: int ignore_existing = 0;
112: int ignore_non_existing = 0;
113: int need_messages_from_generator = 0;
114: int max_delete = INT_MIN;
115: OFF_T max_size = 0;
116: OFF_T min_size = 0;
117: int ignore_errors = 0;
118: int modify_window = 0;
119: int blocking_io = -1;
120: int checksum_seed = 0;
121: int inplace = 0;
122: int delay_updates = 0;
123: long block_size = 0; /* "long" because popt can't set an int32. */
124: char *skip_compress = NULL;
125:
126: /** Network address family. **/
127: int default_af_hint
128: #ifdef INET6
129: = 0; /* Any protocol */
130: #else
131: = AF_INET; /* Must use IPv4 */
132: # ifdef AF_INET6
133: # undef AF_INET6
134: # endif
135: # define AF_INET6 AF_INET /* make -6 option a no-op */
136: #endif
137:
138: /** Do not go into the background when run as --daemon. Good
139: * for debugging and required for running as a service on W32,
140: * or under Unix process-monitors. **/
141: int no_detach
142: #if defined _WIN32 || defined __WIN32__
143: = 1;
144: #else
145: = 0;
146: #endif
147:
148: int write_batch = 0;
149: int read_batch = 0;
150: int backup_dir_len = 0;
151: int backup_suffix_len;
152: unsigned int backup_dir_remainder;
153:
154: char *backup_suffix = NULL;
155: char *tmpdir = NULL;
156: char *partial_dir = NULL;
157: char *basis_dir[MAX_BASIS_DIRS+1];
158: char *config_file = NULL;
159: char *shell_cmd = NULL;
160: char *logfile_name = NULL;
161: char *logfile_format = NULL;
162: char *stdout_format = NULL;
163: char *password_file = NULL;
164: char *rsync_path = RSYNC_PATH;
165: char *backup_dir = NULL;
166: char backup_dir_buf[MAXPATHLEN];
167: char *sockopts = NULL;
168: int rsync_port = 0;
169: int compare_dest = 0;
170: int copy_dest = 0;
171: int link_dest = 0;
172: int basis_dir_cnt = 0;
173: char *dest_option = NULL;
174:
175: int verbose = 0;
176: int quiet = 0;
177: int output_motd = 1;
178: int log_before_transfer = 0;
179: int stdout_format_has_i = 0;
180: int stdout_format_has_o_or_i = 0;
181: int logfile_format_has_i = 0;
182: int logfile_format_has_o_or_i = 0;
183: int always_checksum = 0;
184: int list_only = 0;
185:
186: #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
187: char *batch_name = NULL;
188:
189: int need_unsorted_flist = 0;
190: #ifdef ICONV_OPTION
191: char *iconv_opt = ICONV_OPTION;
192: #endif
193:
194: struct chmod_mode_struct *chmod_modes = NULL;
195:
196: static int daemon_opt; /* sets am_daemon after option error-reporting */
197: static int omit_dir_times = 0;
198: static int F_option_cnt = 0;
199: static int modify_window_set;
200: static int itemize_changes = 0;
201: static int refused_delete, refused_archive_part, refused_compress;
202: static int refused_partial, refused_progress, refused_delete_before;
203: static int refused_delete_during;
204: static int refused_inplace, refused_no_iconv;
205: static char *max_size_arg, *min_size_arg;
206: static char tmp_partialdir[] = ".~tmp~";
207:
208: /** Local address to bind. As a character string because it's
209: * interpreted by the IPv6 layer: should be a numeric IP4 or IP6
210: * address, or a hostname. **/
211: char *bind_address;
212:
213:
214: static void print_rsync_version(enum logcode f)
215: {
216: char *subprotocol = "";
217: char const *got_socketpair = "no ";
218: char const *have_inplace = "no ";
219: char const *hardlinks = "no ";
220: char const *symtimes = "no ";
221: char const *acls = "no ";
222: char const *xattrs = "no ";
223: char const *links = "no ";
224: char const *iconv = "no ";
225: char const *ipv6 = "no ";
226: STRUCT_STAT *dumstat;
227:
228: #if SUBPROTOCOL_VERSION != 0
229: if (asprintf(&subprotocol, ".PR%d", SUBPROTOCOL_VERSION) < 0)
230: out_of_memory("print_rsync_version");
231: #endif
232: #ifdef HAVE_SOCKETPAIR
233: got_socketpair = "";
234: #endif
235: #ifdef HAVE_FTRUNCATE
236: have_inplace = "";
237: #endif
238: #ifdef SUPPORT_HARD_LINKS
239: hardlinks = "";
240: #endif
241: #ifdef SUPPORT_ACLS
242: acls = "";
243: #endif
244: #ifdef SUPPORT_XATTRS
245: xattrs = "";
246: #endif
247: #ifdef SUPPORT_LINKS
248: links = "";
249: #endif
250: #ifdef INET6
251: ipv6 = "";
252: #endif
253: #ifdef ICONV_OPTION
254: iconv = "";
255: #endif
256: #ifdef CAN_SET_SYMLINK_TIMES
257: symtimes = "";
258: #endif
259:
260: rprintf(f, "%s version %s protocol version %d%s\n",
261: RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
262: rprintf(f, "Copyright (C) 1996-2011 by Andrew Tridgell, Wayne Davison, and others.\n");
263: rprintf(f, "Web site: http://rsync.samba.org/\n");
264: rprintf(f, "Capabilities:\n");
265: rprintf(f, " %d-bit files, %d-bit inums, %d-bit timestamps, %d-bit long ints,\n",
266: (int)(sizeof (OFF_T) * 8),
267: (int)(sizeof dumstat->st_ino * 8), /* Don't check ino_t! */
268: (int)(sizeof (time_t) * 8),
269: (int)(sizeof (int64) * 8));
270: rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
271: got_socketpair, hardlinks, links, ipv6, have_inplace);
272: rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
273: have_inplace, acls, xattrs, iconv, symtimes);
274:
275: #ifdef MAINTAINER_MODE
276: rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
277: #endif
278:
279: #if SIZEOF_INT64 < 8
280: rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
281: #endif
282: if (sizeof (int64) != SIZEOF_INT64) {
283: rprintf(f,
284: "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n",
285: (int) SIZEOF_INT64, (int) sizeof (int64));
286: }
287:
288: rprintf(f,"\n");
289: rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n");
290: rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n");
291: rprintf(f,"General Public Licence for details.\n");
292: }
293:
294:
295: void usage(enum logcode F)
296: {
297: print_rsync_version(F);
298:
299: rprintf(F,"\n");
300: rprintf(F,"rsync is a file transfer program capable of efficient remote update\n");
301: rprintf(F,"via a fast differencing algorithm.\n");
302:
303: rprintf(F,"\n");
304: rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n");
305: rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
306: rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
307: rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n");
308: rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n");
309: rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
310: rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
311: rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n");
312: rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n");
313: rprintf(F,"\n");
314: rprintf(F,"Options\n");
315: rprintf(F," -v, --verbose increase verbosity\n");
316: rprintf(F," -q, --quiet suppress non-error messages\n");
317: rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
318: rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
319: rprintf(F," -a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)\n");
320: rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
321: rprintf(F," -r, --recursive recurse into directories\n");
322: rprintf(F," -R, --relative use relative path names\n");
323: rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n");
324: rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n");
325: rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n");
326: rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX);
327: rprintf(F," -u, --update skip files that are newer on the receiver\n");
328: rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n");
329: rprintf(F," --append append data onto shorter files\n");
330: rprintf(F," --append-verify like --append, but with old data in file checksum\n");
331: rprintf(F," -d, --dirs transfer directories without recursing\n");
332: rprintf(F," -l, --links copy symlinks as symlinks\n");
333: rprintf(F," -L, --copy-links transform symlink into referent file/dir\n");
334: rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n");
335: rprintf(F," --safe-links ignore symlinks that point outside the source tree\n");
336: rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n");
337: rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n");
338: rprintf(F," -H, --hard-links preserve hard links\n");
339: rprintf(F," -p, --perms preserve permissions\n");
340: rprintf(F," -E, --executability preserve the file's executability\n");
341: rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n");
342: #ifdef SUPPORT_ACLS
343: rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
344: #endif
345: #ifdef SUPPORT_XATTRS
346: rprintf(F," -X, --xattrs preserve extended attributes\n");
347: #endif
348: rprintf(F," -o, --owner preserve owner (super-user only)\n");
349: rprintf(F," -g, --group preserve group\n");
350: rprintf(F," --devices preserve device files (super-user only)\n");
351: rprintf(F," --specials preserve special files\n");
352: rprintf(F," -D same as --devices --specials\n");
353: rprintf(F," -t, --times preserve modification times\n");
354: rprintf(F," -O, --omit-dir-times omit directories from --times\n");
355: rprintf(F," --super receiver attempts super-user activities\n");
356: #ifdef SUPPORT_XATTRS
357: rprintf(F," --fake-super store/recover privileged attrs using xattrs\n");
358: #endif
359: rprintf(F," -S, --sparse handle sparse files efficiently\n");
360: rprintf(F," -n, --dry-run perform a trial run with no changes made\n");
361: rprintf(F," -W, --whole-file copy files whole (without delta-xfer algorithm)\n");
362: rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
363: rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n");
364: rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n");
365: rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n");
366: rprintf(F," --existing skip creating new files on receiver\n");
367: rprintf(F," --ignore-existing skip updating files that already exist on receiver\n");
368: rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n");
369: rprintf(F," --del an alias for --delete-during\n");
370: rprintf(F," --delete delete extraneous files from destination dirs\n");
371: rprintf(F," --delete-before receiver deletes before transfer, not during\n");
372: rprintf(F," --delete-during receiver deletes during the transfer\n");
373: rprintf(F," --delete-delay find deletions during, delete after\n");
374: rprintf(F," --delete-after receiver deletes after transfer, not during\n");
375: rprintf(F," --delete-excluded also delete excluded files from destination dirs\n");
376: rprintf(F," --ignore-errors delete even if there are I/O errors\n");
377: rprintf(F," --force force deletion of directories even if not empty\n");
378: rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
379: rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n");
380: rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n");
381: rprintf(F," --partial keep partially transferred files\n");
382: rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
383: rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
384: rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
385: rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
386: rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n");
387: rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n");
388: rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
389: rprintf(F," --size-only skip files that match in size\n");
390: rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n");
391: rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n");
392: rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n");
393: rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
394: rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n");
395: rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n");
396: rprintf(F," -z, --compress compress file data during the transfer\n");
397: rprintf(F," --compress-level=NUM explicitly set compression level\n");
398: rprintf(F," --skip-compress=LIST skip compressing files with a suffix in LIST\n");
399: rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n");
400: rprintf(F," -f, --filter=RULE add a file-filtering RULE\n");
401: rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n");
402: rprintf(F," repeated: --filter='- .rsync-filter'\n");
403: rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
404: rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n");
405: rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
406: rprintf(F," --include-from=FILE read include patterns from FILE\n");
407: rprintf(F," --files-from=FILE read list of source-file names from FILE\n");
408: rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n");
409: rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n");
410: rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n");
411: rprintf(F," --port=PORT specify double-colon alternate port number\n");
412: rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
413: rprintf(F," --blocking-io use blocking I/O for the remote shell\n");
414: rprintf(F," --stats give some file-transfer stats\n");
415: rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n");
416: rprintf(F," -h, --human-readable output numbers in a human-readable format\n");
417: rprintf(F," --progress show progress during transfer\n");
418: rprintf(F," -P same as --partial --progress\n");
419: rprintf(F," -i, --itemize-changes output a change-summary for all updates\n");
420: rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
421: rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
422: rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
423: rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
424: rprintf(F," --list-only list the files instead of copying them\n");
425: rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
426: rprintf(F," --write-batch=FILE write a batched update to FILE\n");
427: rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
428: rprintf(F," --read-batch=FILE read a batched update from FILE\n");
429: rprintf(F," --protocol=NUM force an older protocol version to be used\n");
430: #ifdef ICONV_OPTION
431: rprintf(F," --iconv=CONVERT_SPEC request charset conversion of filenames\n");
432: #endif
433: rprintf(F," -4, --ipv4 prefer IPv4\n");
434: rprintf(F," -6, --ipv6 prefer IPv6\n");
435: rprintf(F," --version print version number\n");
436: rprintf(F,"(-h) --help show this help (-h is --help only if used alone)\n");
437:
438: rprintf(F,"\n");
439: rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n");
440: rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n");
441: rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
442: }
443:
444: enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
445: OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
446: OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
447: OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
448: OPT_NO_D, OPT_APPEND, OPT_NO_ICONV,
449: OPT_SERVER, OPT_REFUSED_BASE = 9000};
450:
451: static struct poptOption long_options[] = {
452: /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
453: {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 },
454: {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
455: {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
456: {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
457: {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
458: {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
459: {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 },
460: {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 },
461: {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 },
462: {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0},
463: {"no-human-readable",0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
464: {"no-h", 0, POPT_ARG_VAL, &human_readable, 0, 0, 0},
465: {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 },
466: {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
467: {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 },
468: {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
469: {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 },
470: {"inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
471: {"no-inc-recursive", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
472: {"i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 1, 0, 0 },
473: {"no-i-r", 0, POPT_ARG_VAL, &allow_inc_recurse, 0, 0, 0 },
474: {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 },
475: {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
476: {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 },
477: {"old-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
478: {"old-d", 0, POPT_ARG_VAL, &xfer_dirs, 4, 0, 0 },
479: {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
480: {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
481: {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
482: {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
483: {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
484: {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
485: {"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
486: {"xattrs", 'X', POPT_ARG_NONE, 0, 'X', 0, 0 },
487: {"no-xattrs", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
488: {"no-X", 0, POPT_ARG_VAL, &preserve_xattrs, 0, 0, 0 },
489: {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
490: {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
491: {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
492: {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 1, 0, 0 },
493: {"no-omit-dir-times",0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
494: {"no-O", 0, POPT_ARG_VAL, &omit_dir_times, 0, 0, 0 },
495: {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
496: {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 },
497: {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 },
498: {"fake-super", 0, POPT_ARG_VAL, &am_root, -1, 0, 0 },
499: {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 },
500: {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
501: {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 },
502: {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 },
503: {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
504: {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 },
505: {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 },
506: {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 },
507: {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 },
508: {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 },
509: {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 },
510: {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 },
511: {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 },
512: {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
513: {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 },
514: {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 },
515: {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 },
516: {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 },
517: {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 },
518: {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 },
519: {"hard-links", 'H', POPT_ARG_NONE, 0, 'H', 0, 0 },
520: {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
521: {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 },
522: {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 },
523: {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
524: {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 },
525: {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
526: {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
527: {"i-d", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 },
528: {"no-i-d", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 },
529: {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 },
530: {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 },
531: {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 },
532: {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 },
533: {"no-one-file-system",0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
534: {"no-x", 0, POPT_ARG_VAL, &one_file_system, 0, 0, 0 },
535: {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 },
536: {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
537: {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 },
538: {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 },
539: {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
540: {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
541: {"sparse", 'S', POPT_ARG_VAL, &sparse_files, 1, 0, 0 },
542: {"no-sparse", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
543: {"no-S", 0, POPT_ARG_VAL, &sparse_files, 0, 0, 0 },
544: {"inplace", 0, POPT_ARG_VAL, &inplace, 1, 0, 0 },
545: {"no-inplace", 0, POPT_ARG_VAL, &inplace, 0, 0, 0 },
546: {"append", 0, POPT_ARG_NONE, 0, OPT_APPEND, 0, 0 },
547: {"append-verify", 0, POPT_ARG_VAL, &append_mode, 2, 0, 0 },
548: {"no-append", 0, POPT_ARG_VAL, &append_mode, 0, 0, 0 },
549: {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 },
550: {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 },
551: {"delete-before", 0, POPT_ARG_NONE, &delete_before, 0, 0, 0 },
552: {"delete-during", 0, POPT_ARG_VAL, &delete_during, 1, 0, 0 },
553: {"delete-delay", 0, POPT_ARG_VAL, &delete_during, 2, 0, 0 },
554: {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 },
555: {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 },
556: {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */
557: {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
558: {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
559: {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
560: {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
561: {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
562: {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
563: {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 },
564: {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 },
565: {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
566: {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
567: {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
568: {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
569: {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 },
570: {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 },
571: {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
572: {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 },
573: {"checksum", 'c', POPT_ARG_VAL, &always_checksum, 1, 0, 0 },
574: {"no-checksum", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
575: {"no-c", 0, POPT_ARG_VAL, &always_checksum, 0, 0, 0 },
576: {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 },
577: {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 },
578: {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
579: {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
580: {"fuzzy", 'y', POPT_ARG_VAL, &fuzzy_basis, 1, 0, 0 },
581: {"no-fuzzy", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
582: {"no-y", 0, POPT_ARG_VAL, &fuzzy_basis, 0, 0, 0 },
583: {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 },
584: {"no-compress", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
585: {"no-z", 0, POPT_ARG_VAL, &do_compression, 0, 0, 0 },
586: {"skip-compress", 0, POPT_ARG_STRING, &skip_compress, 0, 0, 0 },
587: {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 },
588: {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
589: {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 },
590: {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 },
591: {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 },
592: {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 },
593: {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 },
594: {"delay-updates", 0, POPT_ARG_VAL, &delay_updates, 1, 0, 0 },
595: {"no-delay-updates", 0, POPT_ARG_VAL, &delay_updates, 0, 0, 0 },
596: {"prune-empty-dirs",'m', POPT_ARG_VAL, &prune_empty_dirs, 1, 0, 0 },
597: {"no-prune-empty-dirs",0,POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
598: {"no-m", 0, POPT_ARG_VAL, &prune_empty_dirs, 0, 0, 0 },
599: {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
600: {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
601: {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 },
602: {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */
603: {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
604: {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
605: {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
606: {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
607: {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
608: {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
609: {"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
610: {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
611: {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
612: {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 },
613: {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
614: {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
615: {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
616: {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
617: {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
618: {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
619: {"protect-args", 's', POPT_ARG_VAL, &protect_args, 1, 0, 0},
620: {"no-protect-args", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
621: {"no-s", 0, POPT_ARG_VAL, &protect_args, 0, 0, 0},
622: {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
623: {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
624: {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
625: {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 },
626: {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 },
627: {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 },
628: {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
629: {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
630: {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
631: #ifdef ICONV_OPTION
632: {"iconv", 0, POPT_ARG_STRING, &iconv_opt, 0, 0, 0 },
633: {"no-iconv", 0, POPT_ARG_NONE, 0, OPT_NO_ICONV, 0, 0 },
634: #endif
635: {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
636: {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
637: {"8-bit-output", '8', POPT_ARG_VAL, &allow_8bit_chars, 1, 0, 0 },
638: {"no-8-bit-output", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
639: {"no-8", 0, POPT_ARG_VAL, &allow_8bit_chars, 0, 0, 0 },
640: {"qsort", 0, POPT_ARG_NONE, &use_qsort, 0, 0, 0 },
641: {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
642: {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
643: {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
644: {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
645: {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 },
646: {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 },
647: {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
648: {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
649: {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
650: {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
651: /* All the following options switch us into daemon-mode option-parsing. */
652: {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
653: {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
654: {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
655: {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
656: {0,0,0,0, 0, 0, 0}
657: };
658:
659: static void daemon_usage(enum logcode F)
660: {
661: print_rsync_version(F);
662:
663: rprintf(F,"\n");
664: rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
665: rprintf(F," --address=ADDRESS bind to the specified address\n");
666: rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
667: rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
668: rprintf(F," --no-detach do not detach from the parent\n");
669: rprintf(F," --port=PORT listen on alternate port number\n");
670: rprintf(F," --log-file=FILE override the \"log file\" setting\n");
671: rprintf(F," --log-file-format=FMT override the \"log format\" setting\n");
672: rprintf(F," --sockopts=OPTIONS specify custom TCP options\n");
673: rprintf(F," -v, --verbose increase verbosity\n");
674: rprintf(F," -4, --ipv4 prefer IPv4\n");
675: rprintf(F," -6, --ipv6 prefer IPv6\n");
676: rprintf(F," --help show this help screen\n");
677:
678: rprintf(F,"\n");
679: rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n");
680: rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n");
681: }
682:
683: static struct poptOption long_daemon_options[] = {
684: /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
685: {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
686: {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 },
687: {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 },
688: {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 },
689: {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 },
690: {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 },
691: {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 },
692: {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 },
693: {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 },
694: {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 },
695: {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 },
696: {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 },
697: {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
698: {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
699: {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
700: {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
701: {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
702: {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
703: {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
704: {0,0,0,0, 0, 0, 0}
705: };
706:
707:
708: static char err_buf[200];
709:
710:
711: /**
712: * Store the option error message, if any, so that we can log the
713: * connection attempt (which requires parsing the options), and then
714: * show the error later on.
715: **/
716: void option_error(void)
717: {
718: if (!err_buf[0]) {
719: strlcpy(err_buf, "Error parsing options: option may "
720: "be supported on client but not on server?\n",
721: sizeof err_buf);
722: }
723:
724: rprintf(FERROR, RSYNC_NAME ": %s", err_buf);
725: msleep(20);
726: }
727:
728:
729: /**
730: * Tweak the option table to disable all options that the rsyncd.conf
731: * file has told us to refuse.
732: **/
733: static void set_refuse_options(char *bp)
734: {
735: struct poptOption *op;
736: char *cp, shortname[2];
737: int is_wild, found_match;
738:
739: shortname[1] = '\0';
740:
741: while (1) {
742: while (*bp == ' ') bp++;
743: if (!*bp)
744: break;
745: if ((cp = strchr(bp, ' ')) != NULL)
746: *cp= '\0';
747: is_wild = strpbrk(bp, "*?[") != NULL;
748: found_match = 0;
749: for (op = long_options; ; op++) {
750: *shortname = op->shortName;
751: if (!op->longName && !*shortname)
752: break;
753: if ((op->longName && wildmatch(bp, op->longName))
754: || (*shortname && wildmatch(bp, shortname))) {
755: if (op->argInfo == POPT_ARG_VAL)
756: op->argInfo = POPT_ARG_NONE;
757: op->val = (op - long_options) + OPT_REFUSED_BASE;
758: found_match = 1;
759: /* These flags are set to let us easily check
760: * an implied option later in the code. */
761: switch (*shortname) {
762: case 'r': case 'd': case 'l': case 'p':
763: case 't': case 'g': case 'o': case 'D':
764: refused_archive_part = op->val;
765: break;
766: case 'z':
767: refused_compress = op->val;
768: break;
769: case '\0':
770: if (wildmatch("delete", op->longName))
771: refused_delete = op->val;
772: else if (wildmatch("delete-before", op->longName))
773: refused_delete_before = op->val;
774: else if (wildmatch("delete-during", op->longName))
775: refused_delete_during = op->val;
776: else if (wildmatch("partial", op->longName))
777: refused_partial = op->val;
778: else if (wildmatch("progress", op->longName))
779: refused_progress = op->val;
780: else if (wildmatch("inplace", op->longName))
781: refused_inplace = op->val;
782: else if (wildmatch("no-iconv", op->longName))
783: refused_no_iconv = op->val;
784: break;
785: }
786: if (!is_wild)
787: break;
788: }
789: }
790: if (!found_match) {
791: rprintf(FLOG, "No match for refuse-options string \"%s\"\n",
792: bp);
793: }
794: if (!cp)
795: break;
796: *cp = ' ';
797: bp = cp + 1;
798: }
799: }
800:
801:
802: static int count_args(const char **argv)
803: {
804: int i = 0;
805:
806: if (argv) {
807: while (argv[i] != NULL)
808: i++;
809: }
810:
811: return i;
812: }
813:
814:
815: static OFF_T parse_size_arg(char **size_arg, char def_suf)
816: {
817: int reps, mult, make_compatible = 0;
818: const char *arg;
819: OFF_T size = 1;
820:
821: for (arg = *size_arg; isDigit(arg); arg++) {}
822: if (*arg == '.')
823: for (arg++; isDigit(arg); arg++) {}
824: switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) {
825: case 'b': case 'B':
826: reps = 0;
827: break;
828: case 'k': case 'K':
829: reps = 1;
830: break;
831: case 'm': case 'M':
832: reps = 2;
833: break;
834: case 'g': case 'G':
835: reps = 3;
836: break;
837: default:
838: return -1;
839: }
840: if (*arg == 'b' || *arg == 'B')
841: mult = 1000, make_compatible = 1, arg++;
842: else if (!*arg || *arg == '+' || *arg == '-')
843: mult = 1024;
844: else if (strncasecmp(arg, "ib", 2) == 0)
845: mult = 1024, arg += 2;
846: else
847: return -1;
848: while (reps--)
849: size *= mult;
850: size *= atof(*size_arg);
851: if ((*arg == '+' || *arg == '-') && arg[1] == '1')
852: size += atoi(arg), make_compatible = 1, arg += 2;
853: if (*arg)
854: return -1;
855: if (size > 0 && make_compatible) {
856: /* We convert this manually because we may need %lld precision,
857: * and that's not a portable sprintf() escape. */
858: char buf[128], *s = buf + sizeof buf - 1;
859: OFF_T num = size;
860: *s = '\0';
861: while (num) {
862: *--s = (char)(num % 10) + '0';
863: num /= 10;
864: }
865: if (!(*size_arg = strdup(s)))
866: out_of_memory("parse_size_arg");
867: }
868: return size;
869: }
870:
871:
872: static void create_refuse_error(int which)
873: {
874: /* The "which" value is the index + OPT_REFUSED_BASE. */
875: struct poptOption *op = &long_options[which - OPT_REFUSED_BASE];
876: int n = snprintf(err_buf, sizeof err_buf,
877: "The server is configured to refuse --%s\n",
878: op->longName) - 1;
879: if (op->shortName) {
880: snprintf(err_buf + n, sizeof err_buf - n,
881: " (-%c)\n", op->shortName);
882: }
883: }
884:
885:
886: /**
887: * Process command line arguments. Called on both local and remote.
888: *
889: * @retval 1 if all options are OK; with globals set to appropriate
890: * values
891: *
892: * @retval 0 on error, with err_buf containing an explanation
893: **/
894: int parse_arguments(int *argc_p, const char ***argv_p)
895: {
896: static poptContext pc;
897: char *ref = lp_refuse_options(module_id);
898: const char *arg, **argv = *argv_p;
899: int argc = *argc_p;
900: int opt;
901:
902: if (ref && *ref)
903: set_refuse_options(ref);
904: if (am_daemon) {
905: set_refuse_options("log-file*");
906: #ifdef ICONV_OPTION
907: if (!*lp_charset(module_id))
908: set_refuse_options("iconv");
909: #endif
910: }
911:
912: #ifdef ICONV_OPTION
913: if (!am_daemon && !protect_args && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
914: iconv_opt = strdup(arg);
915: #endif
916:
917: /* TODO: Call poptReadDefaultConfig; handle errors. */
918:
919: /* The context leaks in case of an error, but if there's a
920: * problem we always exit anyhow. */
921: if (pc)
922: poptFreeContext(pc);
923: pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
924: if (!am_server)
925: poptReadDefaultConfig(pc, 0);
926:
927: while ((opt = poptGetNextOpt(pc)) != -1) {
928: /* most options are handled automatically by popt;
929: * only special cases are returned and listed here. */
930:
931: switch (opt) {
932: case OPT_VERSION:
933: print_rsync_version(FINFO);
934: exit_cleanup(0);
935:
936: case OPT_SERVER:
937: if (!am_server) {
938: /* Disable popt aliases on the server side and
939: * then start parsing the options again. */
940: poptFreeContext(pc);
941: pc = poptGetContext(RSYNC_NAME, argc, argv,
942: long_options, 0);
943: am_server = 1;
944: }
945: #ifdef ICONV_OPTION
946: iconv_opt = NULL;
947: #endif
948: break;
949:
950: case OPT_SENDER:
951: if (!am_server) {
952: usage(FERROR);
953: exit_cleanup(RERR_SYNTAX);
954: }
955: am_sender = 1;
956: break;
957:
958: case OPT_DAEMON:
959: if (am_daemon) {
960: strlcpy(err_buf,
961: "Attempt to hack rsync thwarted!\n",
962: sizeof err_buf);
963: return 0;
964: }
965: #ifdef ICONV_OPTION
966: iconv_opt = NULL;
967: #endif
968: poptFreeContext(pc);
969: pc = poptGetContext(RSYNC_NAME, argc, argv,
970: long_daemon_options, 0);
971: while ((opt = poptGetNextOpt(pc)) != -1) {
972: switch (opt) {
973: case 'h':
974: daemon_usage(FINFO);
975: exit_cleanup(0);
976:
977: case 'v':
978: verbose++;
979: break;
980:
981: default:
982: rprintf(FERROR,
983: "rsync: %s: %s (in daemon mode)\n",
984: poptBadOption(pc, POPT_BADOPTION_NOALIAS),
985: poptStrerror(opt));
986: goto daemon_error;
987: }
988: }
989:
990: if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
991: snprintf(err_buf, sizeof err_buf,
992: "the --temp-dir path is WAY too long.\n");
993: return 0;
994: }
995:
996: if (!daemon_opt) {
997: rprintf(FERROR, "Daemon option(s) used without --daemon.\n");
998: daemon_error:
999: rprintf(FERROR,
1000: "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n");
1001: exit_cleanup(RERR_SYNTAX);
1002: }
1003:
1004: *argv_p = argv = poptGetArgs(pc);
1005: *argc_p = argc = count_args(argv);
1006: am_starting_up = 0;
1007: daemon_opt = 0;
1008: am_daemon = 1;
1009: return 1;
1010:
1011: case OPT_MODIFY_WINDOW:
1012: /* The value has already been set by popt, but
1013: * we need to remember that we're using a
1014: * non-default setting. */
1015: modify_window_set = 1;
1016: break;
1017:
1018: case OPT_FILTER:
1019: parse_rule(&filter_list, poptGetOptArg(pc), 0, 0);
1020: break;
1021:
1022: case OPT_EXCLUDE:
1023: parse_rule(&filter_list, poptGetOptArg(pc),
1024: 0, XFLG_OLD_PREFIXES);
1025: break;
1026:
1027: case OPT_INCLUDE:
1028: parse_rule(&filter_list, poptGetOptArg(pc),
1029: MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES);
1030: break;
1031:
1032: case OPT_EXCLUDE_FROM:
1033: case OPT_INCLUDE_FROM:
1034: arg = poptGetOptArg(pc);
1035: if (sanitize_paths)
1036: arg = sanitize_path(NULL, arg, NULL, 0, SP_DEFAULT);
1037: if (daemon_filter_list.head) {
1038: int rej;
1039: char *dir, *cp = strdup(arg);
1040: if (!cp)
1041: out_of_memory("parse_arguments");
1042: if (!*cp)
1043: goto options_rejected;
1044: dir = cp + (*cp == '/' ? module_dirlen : 0);
1045: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1046: rej = check_filter(&daemon_filter_list, FLOG, dir, 0) < 0;
1047: free(cp);
1048: if (rej)
1049: goto options_rejected;
1050: }
1051: parse_filter_file(&filter_list, arg,
1052: opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
1053: XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES);
1054: break;
1055:
1056: case 'a':
1057: if (refused_archive_part) {
1058: create_refuse_error(refused_archive_part);
1059: return 0;
1060: }
1061: if (!recurse) /* preserve recurse == 2 */
1062: recurse = 1;
1063: #ifdef SUPPORT_LINKS
1064: preserve_links = 1;
1065: #endif
1066: preserve_perms = 1;
1067: preserve_times = 1;
1068: preserve_gid = 1;
1069: preserve_uid = 1;
1070: preserve_devices = 1;
1071: preserve_specials = 1;
1072: break;
1073:
1074: case 'D':
1075: preserve_devices = preserve_specials = 1;
1076: break;
1077:
1078: case OPT_NO_D:
1079: preserve_devices = preserve_specials = 0;
1080: break;
1081:
1082: case 'h':
1083: human_readable++;
1084: break;
1085:
1086: case 'H':
1087: preserve_hard_links++;
1088: break;
1089:
1090: case 'i':
1091: itemize_changes++;
1092: break;
1093:
1094: case 'v':
1095: verbose++;
1096: break;
1097:
1098: case 'q':
1099: quiet++;
1100: break;
1101:
1102: case 'x':
1103: one_file_system++;
1104: break;
1105:
1106: case 'F':
1107: switch (++F_option_cnt) {
1108: case 1:
1109: parse_rule(&filter_list,": /.rsync-filter",0,0);
1110: break;
1111: case 2:
1112: parse_rule(&filter_list,"- .rsync-filter",0,0);
1113: break;
1114: }
1115: break;
1116:
1117: case 'P':
1118: if (refused_partial || refused_progress) {
1119: create_refuse_error(refused_partial
1120: ? refused_partial : refused_progress);
1121: return 0;
1122: }
1123: do_progress = 1;
1124: keep_partial = 1;
1125: break;
1126:
1127: case 'z':
1128: if (def_compress_level < Z_DEFAULT_COMPRESSION
1129: || def_compress_level > Z_BEST_COMPRESSION) {
1130: snprintf(err_buf, sizeof err_buf,
1131: "--compress-level value is invalid: %d\n",
1132: def_compress_level);
1133: return 0;
1134: }
1135: do_compression = def_compress_level != Z_NO_COMPRESSION;
1136: if (do_compression && refused_compress) {
1137: create_refuse_error(refused_compress);
1138: return 0;
1139: }
1140: break;
1141:
1142: case OPT_WRITE_BATCH:
1143: /* batch_name is already set */
1144: write_batch = 1;
1145: break;
1146:
1147: case OPT_ONLY_WRITE_BATCH:
1148: /* batch_name is already set */
1149: write_batch = -1;
1150: break;
1151:
1152: case OPT_READ_BATCH:
1153: /* batch_name is already set */
1154: read_batch = 1;
1155: break;
1156:
1157: case OPT_NO_ICONV:
1158: #ifdef ICONV_OPTION
1159: iconv_opt = NULL;
1160: #endif
1161: break;
1162:
1163: case OPT_MAX_SIZE:
1164: if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) {
1165: snprintf(err_buf, sizeof err_buf,
1166: "--max-size value is invalid: %s\n",
1167: max_size_arg);
1168: return 0;
1169: }
1170: break;
1171:
1172: case OPT_MIN_SIZE:
1173: if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
1174: snprintf(err_buf, sizeof err_buf,
1175: "--min-size value is invalid: %s\n",
1176: min_size_arg);
1177: return 0;
1178: }
1179: break;
1180:
1181: case OPT_APPEND:
1182: if (am_server)
1183: append_mode++;
1184: else
1185: append_mode = 1;
1186: break;
1187:
1188: case OPT_LINK_DEST:
1189: #ifdef SUPPORT_HARD_LINKS
1190: link_dest = 1;
1191: dest_option = "--link-dest";
1192: goto set_dest_dir;
1193: #else
1194: snprintf(err_buf, sizeof err_buf,
1195: "hard links are not supported on this %s\n",
1196: am_server ? "server" : "client");
1197: return 0;
1198: #endif
1199:
1200: case OPT_COPY_DEST:
1201: copy_dest = 1;
1202: dest_option = "--copy-dest";
1203: goto set_dest_dir;
1204:
1205: case OPT_COMPARE_DEST:
1206: compare_dest = 1;
1207: dest_option = "--compare-dest";
1208: set_dest_dir:
1209: if (basis_dir_cnt >= MAX_BASIS_DIRS) {
1210: snprintf(err_buf, sizeof err_buf,
1211: "ERROR: at most %d %s args may be specified\n",
1212: MAX_BASIS_DIRS, dest_option);
1213: return 0;
1214: }
1215: /* We defer sanitizing this arg until we know what
1216: * our destination directory is going to be. */
1217: basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
1218: break;
1219:
1220: case OPT_CHMOD:
1221: arg = poptGetOptArg(pc);
1222: if (!parse_chmod(arg, &chmod_modes)) {
1223: snprintf(err_buf, sizeof err_buf,
1224: "Invalid argument passed to --chmod (%s)\n",
1225: arg);
1226: return 0;
1227: }
1228: break;
1229:
1230: case OPT_HELP:
1231: usage(FINFO);
1232: exit_cleanup(0);
1233:
1234: case 'A':
1235: #ifdef SUPPORT_ACLS
1236: preserve_acls = 1;
1237: preserve_perms = 1;
1238: break;
1239: #else
1240: /* FIXME: this should probably be ignored with a
1241: * warning and then countermeasures taken to
1242: * restrict group and other access in the presence
1243: * of any more restrictive ACLs, but this is safe
1244: * for now */
1245: snprintf(err_buf,sizeof(err_buf),
1246: "ACLs are not supported on this %s\n",
1247: am_server ? "server" : "client");
1248: return 0;
1249: #endif
1250:
1251: case 'X':
1252: #ifdef SUPPORT_XATTRS
1253: preserve_xattrs++;
1254: break;
1255: #else
1256: snprintf(err_buf,sizeof(err_buf),
1257: "extended attributes are not supported on this %s\n",
1258: am_server ? "server" : "client");
1259: return 0;
1260: #endif
1261:
1262: default:
1263: /* A large opt value means that set_refuse_options()
1264: * turned this option off. */
1265: if (opt >= OPT_REFUSED_BASE) {
1266: create_refuse_error(opt);
1267: return 0;
1268: }
1269: snprintf(err_buf, sizeof err_buf, "%s%s: %s\n",
1270: am_server ? "on remote machine: " : "",
1271: poptBadOption(pc, POPT_BADOPTION_NOALIAS),
1272: poptStrerror(opt));
1273: return 0;
1274: }
1275: }
1276:
1277: if (human_readable && argc == 2 && !am_server) {
1278: /* Allow the old meaning of 'h' (--help) on its own. */
1279: usage(FINFO);
1280: exit_cleanup(0);
1281: }
1282:
1283: #ifdef ICONV_OPTION
1284: if (iconv_opt && protect_args != 2) {
1285: if (!am_server && strcmp(iconv_opt, "-") == 0)
1286: iconv_opt = NULL;
1287: else
1288: need_unsorted_flist = 1;
1289: }
1290: if (refused_no_iconv && !iconv_opt) {
1291: create_refuse_error(refused_no_iconv);
1292: return 0;
1293: }
1294: #endif
1295:
1296: if (protect_args == 1 && am_server)
1297: return 1;
1298:
1299: *argv_p = argv = poptGetArgs(pc);
1300: *argc_p = argc = count_args(argv);
1301:
1302: #ifndef SUPPORT_LINKS
1303: if (preserve_links && !am_sender) {
1304: snprintf(err_buf, sizeof err_buf,
1305: "symlinks are not supported on this %s\n",
1306: am_server ? "server" : "client");
1307: return 0;
1308: }
1309: #endif
1310:
1311: #ifndef SUPPORT_HARD_LINKS
1312: if (preserve_hard_links) {
1313: snprintf(err_buf, sizeof err_buf,
1314: "hard links are not supported on this %s\n",
1315: am_server ? "server" : "client");
1316: return 0;
1317: }
1318: #endif
1319:
1320: #ifdef SUPPORT_XATTRS
1321: if (am_root < 0 && preserve_xattrs > 1) {
1322: snprintf(err_buf, sizeof err_buf,
1323: "--fake-super conflicts with -XX\n");
1324: return 0;
1325: }
1326: #else
1327: if (am_root < 0) {
1328: snprintf(err_buf, sizeof err_buf,
1329: "--fake-super requires an rsync with extended attributes enabled\n");
1330: return 0;
1331: }
1332: #endif
1333:
1334: if (write_batch && read_batch) {
1335: snprintf(err_buf, sizeof err_buf,
1336: "--write-batch and --read-batch can not be used together\n");
1337: return 0;
1338: }
1339: if (write_batch > 0 || read_batch) {
1340: if (am_server) {
1341: rprintf(FINFO,
1342: "ignoring --%s-batch option sent to server\n",
1343: write_batch ? "write" : "read");
1344: /* We don't actually exit_cleanup(), so that we can
1345: * still service older version clients that still send
1346: * batch args to server. */
1347: read_batch = write_batch = 0;
1348: batch_name = NULL;
1349: } else if (dry_run)
1350: write_batch = 0;
1351: } else if (write_batch < 0 && dry_run)
1352: write_batch = 0;
1353: if (read_batch && files_from) {
1354: snprintf(err_buf, sizeof err_buf,
1355: "--read-batch cannot be used with --files-from\n");
1356: return 0;
1357: }
1358: if (read_batch && remove_source_files) {
1359: snprintf(err_buf, sizeof err_buf,
1360: "--read-batch cannot be used with --remove-%s-files\n",
1361: remove_source_files == 1 ? "source" : "sent");
1362: return 0;
1363: }
1364: if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) {
1365: snprintf(err_buf, sizeof err_buf,
1366: "the batch-file name must be %d characters or less.\n",
1367: MAX_BATCH_NAME_LEN);
1368: return 0;
1369: }
1370:
1371: if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) {
1372: snprintf(err_buf, sizeof err_buf,
1373: "the --temp-dir path is WAY too long.\n");
1374: return 0;
1375: }
1376:
1377: if (max_delete < 0 && max_delete != INT_MIN) {
1378: /* Negative numbers are treated as "no deletions". */
1379: max_delete = 0;
1380: }
1381:
1382: if (compare_dest + copy_dest + link_dest > 1) {
1383: snprintf(err_buf, sizeof err_buf,
1384: "You may not mix --compare-dest, --copy-dest, and --link-dest.\n");
1385: return 0;
1386: }
1387:
1388: if (files_from) {
1389: if (recurse == 1) /* preserve recurse == 2 */
1390: recurse = 0;
1391: if (xfer_dirs < 0)
1392: xfer_dirs = 1;
1393: }
1394:
1395: if (argc < 2 && !read_batch && !am_server)
1396: list_only |= 1;
1397:
1398: if (xfer_dirs >= 4) {
1399: parse_rule(&filter_list, "- /*/*", 0, 0);
1400: recurse = xfer_dirs = 1;
1401: } else if (recurse)
1402: xfer_dirs = 1;
1403: else if (xfer_dirs < 0)
1404: xfer_dirs = list_only ? 1 : 0;
1405:
1406: if (relative_paths < 0)
1407: relative_paths = files_from? 1 : 0;
1408: if (!relative_paths)
1409: implied_dirs = 0;
1410:
1411: if (delete_before + !!delete_during + delete_after > 1) {
1412: snprintf(err_buf, sizeof err_buf,
1413: "You may not combine multiple --delete-WHEN options.\n");
1414: return 0;
1415: }
1416: if (delete_before || delete_during || delete_after)
1417: delete_mode = 1;
1418: else if (delete_mode || delete_excluded) {
1419: /* Only choose now between before & during if one is refused. */
1420: if (refused_delete_before) {
1421: if (!refused_delete_during)
1422: delete_during = 1;
1423: else {
1424: create_refuse_error(refused_delete_before);
1425: return 0;
1426: }
1427: } else if (refused_delete_during)
1428: delete_before = 1;
1429: delete_mode = 1;
1430: }
1431: if (!xfer_dirs && delete_mode) {
1432: snprintf(err_buf, sizeof err_buf,
1433: "--delete does not work without --recursive (-r) or --dirs (-d).\n");
1434: return 0;
1435: }
1436:
1437: if (delete_mode && refused_delete) {
1438: create_refuse_error(refused_delete);
1439: return 0;
1440: }
1441:
1442: if (remove_source_files) {
1443: /* We only want to infer this refusal of --remove-source-files
1444: * via the refusal of "delete", not any of the "delete-FOO"
1445: * options. */
1446: if (refused_delete && am_sender) {
1447: create_refuse_error(refused_delete);
1448: return 0;
1449: }
1450: need_messages_from_generator = 1;
1451: }
1452:
1453: if (sanitize_paths) {
1454: int i;
1455: for (i = argc; i-- > 0; )
1456: argv[i] = sanitize_path(NULL, argv[i], "", 0, SP_KEEP_DOT_DIRS);
1457: if (tmpdir)
1458: tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, SP_DEFAULT);
1459: if (backup_dir)
1460: backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, SP_DEFAULT);
1461: }
1462: if (daemon_filter_list.head && !am_sender) {
1463: struct filter_list_struct *elp = &daemon_filter_list;
1464: if (tmpdir) {
1465: char *dir;
1466: if (!*tmpdir)
1467: goto options_rejected;
1468: dir = tmpdir + (*tmpdir == '/' ? module_dirlen : 0);
1469: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1470: if (check_filter(elp, FLOG, dir, 1) < 0)
1471: goto options_rejected;
1472: }
1473: if (backup_dir) {
1474: char *dir;
1475: if (!*backup_dir)
1476: goto options_rejected;
1477: dir = backup_dir + (*backup_dir == '/' ? module_dirlen : 0);
1478: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1479: if (check_filter(elp, FLOG, dir, 1) < 0)
1480: goto options_rejected;
1481: }
1482: }
1483:
1484: if (!backup_suffix)
1485: backup_suffix = backup_dir ? "" : BACKUP_SUFFIX;
1486: backup_suffix_len = strlen(backup_suffix);
1487: if (strchr(backup_suffix, '/') != NULL) {
1488: snprintf(err_buf, sizeof err_buf,
1489: "--suffix cannot contain slashes: %s\n",
1490: backup_suffix);
1491: return 0;
1492: }
1493: if (backup_dir) {
1494: size_t len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
1495: if (len > sizeof backup_dir_buf - 128) {
1496: snprintf(err_buf, sizeof err_buf,
1497: "the --backup-dir path is WAY too long.\n");
1498: return 0;
1499: }
1500: backup_dir_len = (int)len;
1501: if (backup_dir_buf[backup_dir_len - 1] != '/') {
1502: backup_dir_buf[backup_dir_len++] = '/';
1503: backup_dir_buf[backup_dir_len] = '\0';
1504: }
1505: backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
1506: if (verbose > 1 && !am_sender)
1507: rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
1508: } else if (!backup_suffix_len && (!am_server || !am_sender)) {
1509: snprintf(err_buf, sizeof err_buf,
1510: "--suffix cannot be a null string without --backup-dir\n");
1511: return 0;
1512: } else if (make_backups && delete_mode && !delete_excluded && !am_server) {
1513: snprintf(backup_dir_buf, sizeof backup_dir_buf,
1514: "P *%s", backup_suffix);
1515: parse_rule(&filter_list, backup_dir_buf, 0, 0);
1516: }
1517:
1518: if (preserve_times) {
1519: preserve_times = PRESERVE_FILE_TIMES;
1520: if (!omit_dir_times)
1521: preserve_times |= PRESERVE_DIR_TIMES;
1522: #ifdef CAN_SET_SYMLINK_TIMES
1523: preserve_times |= PRESERVE_LINK_TIMES;
1524: #endif
1525: }
1526:
1527: if (make_backups && !backup_dir) {
1528: omit_dir_times = 0; /* Implied, so avoid -O to sender. */
1529: preserve_times &= ~PRESERVE_DIR_TIMES;
1530: }
1531:
1532: if (stdout_format) {
1533: if (am_server && log_format_has(stdout_format, 'I'))
1534: stdout_format_has_i = 2;
1535: else if (log_format_has(stdout_format, 'i'))
1536: stdout_format_has_i = itemize_changes | 1;
1537: if (!log_format_has(stdout_format, 'b')
1538: && !log_format_has(stdout_format, 'c'))
1539: log_before_transfer = !am_server;
1540: } else if (itemize_changes) {
1541: stdout_format = "%i %n%L";
1542: stdout_format_has_i = itemize_changes;
1543: log_before_transfer = !am_server;
1544: }
1545:
1546: if (do_progress && !verbose && !log_before_transfer && !am_server)
1547: verbose = 1;
1548:
1549: if (dry_run)
1550: do_xfers = 0;
1551:
1552: set_io_timeout(io_timeout);
1553:
1554: if (verbose && !stdout_format) {
1555: stdout_format = "%n%L";
1556: log_before_transfer = !am_server;
1557: }
1558: if (stdout_format_has_i || log_format_has(stdout_format, 'o'))
1559: stdout_format_has_o_or_i = 1;
1560:
1561: if (logfile_name && !am_daemon) {
1562: if (!logfile_format) {
1563: logfile_format = "%i %n%L";
1564: logfile_format_has_i = logfile_format_has_o_or_i = 1;
1565: } else {
1566: if (log_format_has(logfile_format, 'i'))
1567: logfile_format_has_i = 1;
1568: if (logfile_format_has_i || log_format_has(logfile_format, 'o'))
1569: logfile_format_has_o_or_i = 1;
1570: }
1571: log_init(0);
1572: } else if (!am_daemon)
1573: logfile_format = NULL;
1574:
1575: if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit))
1576: bwlimit = daemon_bwlimit;
1577: if (bwlimit) {
1578: bwlimit_writemax = (size_t)bwlimit * 128;
1579: if (bwlimit_writemax < 512)
1580: bwlimit_writemax = 512;
1581: }
1582:
1583: if (sparse_files && inplace) {
1584: /* Note: we don't check for this below, because --append is
1585: * OK with --sparse (as long as redos are handled right). */
1586: snprintf(err_buf, sizeof err_buf,
1587: "--sparse cannot be used with --inplace\n");
1588: return 0;
1589: }
1590:
1591: if (append_mode) {
1592: if (whole_file > 0) {
1593: snprintf(err_buf, sizeof err_buf,
1594: "--append cannot be used with --whole-file\n");
1595: return 0;
1596: }
1597: if (refused_inplace) {
1598: create_refuse_error(refused_inplace);
1599: return 0;
1600: }
1601: inplace = 1;
1602: }
1603:
1604: if (delay_updates && !partial_dir)
1605: partial_dir = tmp_partialdir;
1606:
1607: if (inplace) {
1608: #ifdef HAVE_FTRUNCATE
1609: if (partial_dir) {
1610: snprintf(err_buf, sizeof err_buf,
1611: "--%s cannot be used with --%s\n",
1612: append_mode ? "append" : "inplace",
1613: delay_updates ? "delay-updates" : "partial-dir");
1614: return 0;
1615: }
1616: /* --inplace implies --partial for refusal purposes, but we
1617: * clear the keep_partial flag for internal logic purposes. */
1618: if (refused_partial) {
1619: create_refuse_error(refused_partial);
1620: return 0;
1621: }
1622: keep_partial = 0;
1623: #else
1624: snprintf(err_buf, sizeof err_buf,
1625: "--%s is not supported on this %s\n",
1626: append_mode ? "append" : "inplace",
1627: am_server ? "server" : "client");
1628: return 0;
1629: #endif
1630: } else {
1631: if (keep_partial && !partial_dir && !am_server) {
1632: if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg)
1633: partial_dir = strdup(arg);
1634: }
1635: if (partial_dir) {
1636: if (*partial_dir)
1637: clean_fname(partial_dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1638: if (!*partial_dir || strcmp(partial_dir, ".") == 0)
1639: partial_dir = NULL;
1640: if (!partial_dir && refused_partial) {
1641: create_refuse_error(refused_partial);
1642: return 0;
1643: }
1644: keep_partial = 1;
1645: }
1646: }
1647:
1648: if (files_from) {
1649: char *h, *p;
1650: int q;
1651: if (argc > 2 || (!am_daemon && argc == 1)) {
1652: usage(FERROR);
1653: exit_cleanup(RERR_SYNTAX);
1654: }
1655: if (strcmp(files_from, "-") == 0) {
1656: filesfrom_fd = 0;
1657: if (am_server)
1658: filesfrom_host = ""; /* reading from socket */
1659: } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) {
1660: if (am_server) {
1661: snprintf(err_buf, sizeof err_buf,
1662: "The --files-from sent to the server cannot specify a host.\n");
1663: return 0;
1664: }
1665: files_from = p;
1666: filesfrom_host = h;
1667: if (strcmp(files_from, "-") == 0) {
1668: snprintf(err_buf, sizeof err_buf,
1669: "Invalid --files-from remote filename\n");
1670: return 0;
1671: }
1672: } else {
1673: if (sanitize_paths)
1674: files_from = sanitize_path(NULL, files_from, NULL, 0, SP_DEFAULT);
1675: if (daemon_filter_list.head) {
1676: char *dir;
1677: if (!*files_from)
1678: goto options_rejected;
1679: dir = files_from + (*files_from == '/' ? module_dirlen : 0);
1680: clean_fname(dir, CFN_COLLAPSE_DOT_DOT_DIRS);
1681: if (check_filter(&daemon_filter_list, FLOG, dir, 0) < 0)
1682: goto options_rejected;
1683: }
1684: filesfrom_fd = open(files_from, O_RDONLY|O_BINARY);
1685: if (filesfrom_fd < 0) {
1686: snprintf(err_buf, sizeof err_buf,
1687: "failed to open files-from file %s: %s\n",
1688: files_from, strerror(errno));
1689: return 0;
1690: }
1691: }
1692: }
1693:
1694: am_starting_up = 0;
1695:
1696: return 1;
1697:
1698: options_rejected:
1699: snprintf(err_buf, sizeof err_buf,
1700: "Your options have been rejected by the server.\n");
1701: return 0;
1702: }
1703:
1704:
1705: /**
1706: * Construct a filtered list of options to pass through from the
1707: * client to the server.
1708: *
1709: * This involves setting options that will tell the server how to
1710: * behave, and also filtering out options that are processed only
1711: * locally.
1712: **/
1713: void server_options(char **args, int *argc_p)
1714: {
1715: static char argstr[64];
1716: int ac = *argc_p;
1717: char *arg;
1718: int i, x;
1719:
1720: /* This should always remain first on the server's command-line. */
1721: args[ac++] = "--server";
1722:
1723: if (daemon_over_rsh > 0) {
1724: args[ac++] = "--daemon";
1725: *argc_p = ac;
1726: /* if we're passing --daemon, we're done */
1727: return;
1728: }
1729:
1730: if (!am_sender)
1731: args[ac++] = "--sender";
1732:
1733: x = 1;
1734: argstr[0] = '-';
1735:
1736: if (protect_args)
1737: argstr[x++] = 's';
1738:
1739: for (i = 0; i < verbose; i++)
1740: argstr[x++] = 'v';
1741:
1742: /* the -q option is intentionally left out */
1743: if (make_backups)
1744: argstr[x++] = 'b';
1745: if (update_only)
1746: argstr[x++] = 'u';
1747: if (!do_xfers) /* Note: NOT "dry_run"! */
1748: argstr[x++] = 'n';
1749: if (preserve_links)
1750: argstr[x++] = 'l';
1751: if ((xfer_dirs >= 2 && xfer_dirs < 4)
1752: || (xfer_dirs && !recurse && (list_only || (delete_mode && am_sender))))
1753: argstr[x++] = 'd';
1754: if (am_sender) {
1755: if (keep_dirlinks)
1756: argstr[x++] = 'K';
1757: if (prune_empty_dirs)
1758: argstr[x++] = 'm';
1759: if (omit_dir_times)
1760: argstr[x++] = 'O';
1761: } else {
1762: if (copy_links)
1763: argstr[x++] = 'L';
1764: if (copy_dirlinks)
1765: argstr[x++] = 'k';
1766: }
1767:
1768: if (whole_file > 0)
1769: argstr[x++] = 'W';
1770: /* We don't need to send --no-whole-file, because it's the
1771: * default for remote transfers, and in any case old versions
1772: * of rsync will not understand it. */
1773:
1774: if (preserve_hard_links) {
1775: argstr[x++] = 'H';
1776: if (preserve_hard_links > 1)
1777: argstr[x++] = 'H';
1778: }
1779: if (preserve_uid)
1780: argstr[x++] = 'o';
1781: if (preserve_gid)
1782: argstr[x++] = 'g';
1783: if (preserve_devices) /* ignore preserve_specials here */
1784: argstr[x++] = 'D';
1785: if (preserve_times)
1786: argstr[x++] = 't';
1787: if (preserve_perms)
1788: argstr[x++] = 'p';
1789: else if (preserve_executability && am_sender)
1790: argstr[x++] = 'E';
1791: #ifdef SUPPORT_ACLS
1792: if (preserve_acls)
1793: argstr[x++] = 'A';
1794: #endif
1795: #ifdef SUPPORT_XATTRS
1796: if (preserve_xattrs) {
1797: argstr[x++] = 'X';
1798: if (preserve_xattrs > 1)
1799: argstr[x++] = 'X';
1800: }
1801: #endif
1802: if (recurse)
1803: argstr[x++] = 'r';
1804: if (always_checksum)
1805: argstr[x++] = 'c';
1806: if (cvs_exclude)
1807: argstr[x++] = 'C';
1808: if (ignore_times)
1809: argstr[x++] = 'I';
1810: if (relative_paths)
1811: argstr[x++] = 'R';
1812: if (one_file_system) {
1813: argstr[x++] = 'x';
1814: if (one_file_system > 1)
1815: argstr[x++] = 'x';
1816: }
1817: if (sparse_files)
1818: argstr[x++] = 'S';
1819: if (do_compression)
1820: argstr[x++] = 'z';
1821:
1822: set_allow_inc_recurse();
1823:
1824: /* Checking the pre-negotiated value allows --protocol=29 override. */
1825: if (protocol_version >= 30) {
1826: /* We make use of the -e option to let the server know about
1827: * any pre-release protocol version && some behavior flags. */
1828: argstr[x++] = 'e';
1829: #if SUBPROTOCOL_VERSION != 0
1830: if (protocol_version == PROTOCOL_VERSION) {
1831: x += snprintf(argstr+x, sizeof argstr - x,
1832: "%d.%d",
1833: PROTOCOL_VERSION, SUBPROTOCOL_VERSION);
1834: } else
1835: #endif
1836: argstr[x++] = '.';
1837: if (allow_inc_recurse)
1838: argstr[x++] = 'i';
1839: #ifdef CAN_SET_SYMLINK_TIMES
1840: argstr[x++] = 'L';
1841: #endif
1842: #ifdef ICONV_OPTION
1843: argstr[x++] = 's';
1844: #endif
1845: argstr[x++] = 'f';
1846: }
1847:
1848: if (x >= (int)sizeof argstr) { /* Not possible... */
1849: rprintf(FERROR, "argstr overflow in server_options().\n");
1850: exit_cleanup(RERR_MALLOC);
1851: }
1852:
1853: argstr[x] = '\0';
1854:
1855: if (x > 1)
1856: args[ac++] = argstr;
1857:
1858: #ifdef ICONV_OPTION
1859: if (iconv_opt) {
1860: char *set = strchr(iconv_opt, ',');
1861: if (set)
1862: set++;
1863: else
1864: set = iconv_opt;
1865: if (asprintf(&arg, "--iconv=%s", set) < 0)
1866: goto oom;
1867: args[ac++] = arg;
1868: }
1869: #endif
1870:
1871: if (protect_args && !local_server) /* unprotected args stop here */
1872: args[ac++] = NULL;
1873:
1874: if (list_only > 1)
1875: args[ac++] = "--list-only";
1876:
1877: /* This makes sure that the remote rsync can handle deleting with -d
1878: * sans -r because the --no-r option was added at the same time. */
1879: if (xfer_dirs && !recurse && delete_mode && am_sender)
1880: args[ac++] = "--no-r";
1881:
1882: if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
1883: if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
1884: goto oom;
1885: args[ac++] = arg;
1886: }
1887:
1888: if (preserve_devices) {
1889: /* Note: sending "--devices" would not be backward-compatible. */
1890: if (!preserve_specials)
1891: args[ac++] = "--no-specials"; /* -D is already set. */
1892: } else if (preserve_specials)
1893: args[ac++] = "--specials";
1894:
1895: /* The server side doesn't use our log-format, but in certain
1896: * circumstances they need to know a little about the option. */
1897: if (stdout_format && am_sender) {
1898: /* Use --log-format, not --out-format, for compatibility. */
1899: if (stdout_format_has_i > 1)
1900: args[ac++] = "--log-format=%i%I";
1901: else if (stdout_format_has_i)
1902: args[ac++] = "--log-format=%i";
1903: else if (stdout_format_has_o_or_i)
1904: args[ac++] = "--log-format=%o";
1905: else if (!verbose)
1906: args[ac++] = "--log-format=X";
1907: }
1908:
1909: if (block_size) {
1910: if (asprintf(&arg, "-B%lu", block_size) < 0)
1911: goto oom;
1912: args[ac++] = arg;
1913: }
1914:
1915: if (io_timeout) {
1916: if (asprintf(&arg, "--timeout=%d", io_timeout) < 0)
1917: goto oom;
1918: args[ac++] = arg;
1919: }
1920:
1921: if (bwlimit) {
1922: if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0)
1923: goto oom;
1924: args[ac++] = arg;
1925: }
1926:
1927: if (backup_dir) {
1928: args[ac++] = "--backup-dir";
1929: args[ac++] = backup_dir;
1930: }
1931:
1932: /* Only send --suffix if it specifies a non-default value. */
1933: if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) {
1934: /* We use the following syntax to avoid weirdness with '~'. */
1935: if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0)
1936: goto oom;
1937: args[ac++] = arg;
1938: }
1939:
1940: if (am_sender) {
1941: if (max_delete > 0) {
1942: if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
1943: goto oom;
1944: args[ac++] = arg;
1945: } else if (max_delete == 0)
1946: args[ac++] = "--max-delete=-1";
1947: if (min_size) {
1948: args[ac++] = "--min-size";
1949: args[ac++] = min_size_arg;
1950: }
1951: if (max_size) {
1952: args[ac++] = "--max-size";
1953: args[ac++] = max_size_arg;
1954: }
1955: if (delete_before)
1956: args[ac++] = "--delete-before";
1957: else if (delete_during == 2)
1958: args[ac++] = "--delete-delay";
1959: else if (delete_during)
1960: args[ac++] = "--delete-during";
1961: else if (delete_after)
1962: args[ac++] = "--delete-after";
1963: else if (delete_mode && !delete_excluded)
1964: args[ac++] = "--delete";
1965: if (delete_excluded)
1966: args[ac++] = "--delete-excluded";
1967: if (force_delete)
1968: args[ac++] = "--force";
1969: if (write_batch < 0)
1970: args[ac++] = "--only-write-batch=X";
1971: if (am_root > 1)
1972: args[ac++] = "--super";
1973: if (size_only)
1974: args[ac++] = "--size-only";
1975: } else {
1976: if (skip_compress) {
1977: if (asprintf(&arg, "--skip-compress=%s", skip_compress) < 0)
1978: goto oom;
1979: args[ac++] = arg;
1980: }
1981: }
1982:
1983: if (modify_window_set) {
1984: if (asprintf(&arg, "--modify-window=%d", modify_window) < 0)
1985: goto oom;
1986: args[ac++] = arg;
1987: }
1988:
1989: if (checksum_seed) {
1990: if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0)
1991: goto oom;
1992: args[ac++] = arg;
1993: }
1994:
1995: if (partial_dir && am_sender) {
1996: if (partial_dir != tmp_partialdir) {
1997: args[ac++] = "--partial-dir";
1998: args[ac++] = partial_dir;
1999: }
2000: if (delay_updates)
2001: args[ac++] = "--delay-updates";
2002: } else if (keep_partial && am_sender)
2003: args[ac++] = "--partial";
2004:
2005: if (ignore_errors)
2006: args[ac++] = "--ignore-errors";
2007:
2008: if (copy_unsafe_links)
2009: args[ac++] = "--copy-unsafe-links";
2010:
2011: if (safe_symlinks)
2012: args[ac++] = "--safe-links";
2013:
2014: if (numeric_ids)
2015: args[ac++] = "--numeric-ids";
2016:
2017: if (use_qsort)
2018: args[ac++] = "--use-qsort";
2019:
2020: if (am_sender) {
2021: if (ignore_existing)
2022: args[ac++] = "--ignore-existing";
2023:
2024: /* Backward compatibility: send --existing, not --ignore-non-existing. */
2025: if (ignore_non_existing)
2026: args[ac++] = "--existing";
2027:
2028: if (tmpdir) {
2029: args[ac++] = "--temp-dir";
2030: args[ac++] = tmpdir;
2031: }
2032:
2033: if (basis_dir[0]) {
2034: /* the server only needs this option if it is not the sender,
2035: * and it may be an older version that doesn't know this
2036: * option, so don't send it if client is the sender.
2037: */
2038: for (i = 0; i < basis_dir_cnt; i++) {
2039: args[ac++] = dest_option;
2040: args[ac++] = basis_dir[i];
2041: }
2042: }
2043: }
2044:
2045: if (append_mode) {
2046: if (append_mode > 1)
2047: args[ac++] = "--append";
2048: args[ac++] = "--append";
2049: } else if (inplace)
2050: args[ac++] = "--inplace";
2051:
2052: if (files_from && (!am_sender || filesfrom_host)) {
2053: if (filesfrom_host) {
2054: args[ac++] = "--files-from";
2055: args[ac++] = files_from;
2056: if (eol_nulls)
2057: args[ac++] = "--from0";
2058: } else {
2059: args[ac++] = "--files-from=-";
2060: args[ac++] = "--from0";
2061: }
2062: if (!relative_paths)
2063: args[ac++] = "--no-relative";
2064: }
2065: /* It's OK that this checks the upper-bound of the protocol_version. */
2066: if (relative_paths && !implied_dirs && (!am_sender || protocol_version >= 30))
2067: args[ac++] = "--no-implied-dirs";
2068:
2069: if (fuzzy_basis && am_sender)
2070: args[ac++] = "--fuzzy";
2071:
2072: if (remove_source_files == 1)
2073: args[ac++] = "--remove-source-files";
2074: else if (remove_source_files)
2075: args[ac++] = "--remove-sent-files";
2076:
2077: if (ac > MAX_SERVER_ARGS) { /* Not possible... */
2078: rprintf(FERROR, "argc overflow in server_options().\n");
2079: exit_cleanup(RERR_MALLOC);
2080: }
2081:
2082: *argc_p = ac;
2083: return;
2084:
2085: oom:
2086: out_of_memory("server_options");
2087: }
2088:
2089: /* If str points to a valid hostspec, return allocated memory containing the
2090: * [USER@]HOST part of the string, and set the path_start_ptr to the part of
2091: * the string after the host part. Otherwise, return NULL. If port_ptr is
2092: * non-NULL, we must be parsing an rsync:// URL hostname, and we will set
2093: * *port_ptr if a port number is found. Note that IPv6 IPs will have their
2094: * (required for parsing) [ and ] chars elided from the returned string. */
2095: static char *parse_hostspec(char *str, char **path_start_ptr, int *port_ptr)
2096: {
2097: char *s, *host_start = str;
2098: int hostlen = 0, userlen = 0;
2099: char *ret;
2100:
2101: for (s = str; ; s++) {
2102: if (!*s) {
2103: /* It is only OK if we run out of string with rsync:// */
2104: if (!port_ptr)
2105: return NULL;
2106: if (!hostlen)
2107: hostlen = s - host_start;
2108: break;
2109: }
2110: if (*s == ':' || *s == '/') {
2111: if (!hostlen)
2112: hostlen = s - host_start;
2113: if (*s++ == '/') {
2114: if (!port_ptr)
2115: return NULL;
2116: } else if (port_ptr) {
2117: *port_ptr = atoi(s);
2118: while (isDigit(s)) s++;
2119: if (*s && *s++ != '/')
2120: return NULL;
2121: }
2122: break;
2123: }
2124: if (*s == '@') {
2125: userlen = s - str + 1;
2126: host_start = s + 1;
2127: } else if (*s == '[') {
2128: if (s != host_start++)
2129: return NULL;
2130: while (*s && *s != ']' && *s != '/') s++; /*SHARED ITERATOR*/
2131: hostlen = s - host_start;
2132: if (*s != ']' || (s[1] && s[1] != '/' && s[1] != ':') || !hostlen)
2133: return NULL;
2134: }
2135: }
2136:
2137: *path_start_ptr = s;
2138: ret = new_array(char, userlen + hostlen + 1);
2139: if (userlen)
2140: strlcpy(ret, str, userlen + 1);
2141: strlcpy(ret + userlen, host_start, hostlen + 1);
2142: return ret;
2143: }
2144:
2145: /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or
2146: * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated
2147: * memory with the HOST. If a daemon-accessing spec was specified, the value
2148: * of *port_ptr will contain a non-0 port number, otherwise it will be set to
2149: * 0. The return value is a pointer to the PATH. Note that the HOST spec can
2150: * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or
2151: * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */
2152: char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
2153: {
2154: char *path;
2155:
2156: if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
2157: *host_ptr = parse_hostspec(s + strlen(URL_PREFIX), &path, port_ptr);
2158: if (*host_ptr) {
2159: if (!*port_ptr)
2160: *port_ptr = RSYNC_PORT;
2161: return path;
2162: }
2163: }
2164:
2165: *host_ptr = parse_hostspec(s, &path, NULL);
2166: if (!*host_ptr)
2167: return NULL;
2168:
2169: if (*path == ':') {
2170: if (port_ptr && !*port_ptr)
2171: *port_ptr = RSYNC_PORT;
2172: return path + 1;
2173: }
2174: if (port_ptr)
2175: *port_ptr = 0;
2176:
2177: return path;
2178: }
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