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, 2003, 2004, 2005, 2006 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 2 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, write to the Free Software Foundation, Inc., 20 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. 21 */ 22 23#include "rsync.h" 24#include <popt.h> 25#include "zlib/zlib.h" 26 27extern int module_id; 28extern int sanitize_paths; 29extern struct filter_list_struct filter_list; 30extern struct filter_list_struct server_filter_list; 31 32int make_backups = 0; 33 34/** 35 * If 1, send the whole file as literal data rather than trying to 36 * create an incremental diff. 37 * 38 * If -1, then look at whether we're local or remote and go by that. 39 * 40 * @sa disable_deltas_p() 41 **/ 42int whole_file = -1; 43 44int append_mode = 0; 45int keep_dirlinks = 0; 46int copy_dirlinks = 0; 47int copy_links = 0; 48int preserve_links = 0; 49int preserve_hard_links = 0; 50int preserve_perms = 0; 51int preserve_executability = 0; 52int preserve_devices = 0; 53int preserve_specials = 0; 54int preserve_uid = 0; 55int preserve_gid = 0; 56int preserve_times = 0; 57int omit_dir_times = 0; 58int update_only = 0; 59int cvs_exclude = 0; 60int dry_run = 0; 61int do_xfers = 1; 62int ignore_times = 0; 63int delete_mode = 0; 64int delete_during = 0; 65int delete_before = 0; 66int delete_after = 0; 67int delete_excluded = 0; 68int remove_source_files = 0; 69int one_file_system = 0; 70int protocol_version = PROTOCOL_VERSION; 71int sparse_files = 0; 72int do_compression = 0; 73int def_compress_level = Z_DEFAULT_COMPRESSION; 74int am_root = 0; 75int am_server = 0; 76int am_sender = 0; 77int am_generator = 0; 78int am_starting_up = 1; 79int relative_paths = -1; 80int implied_dirs = 1; 81int numeric_ids = 0; 82int allow_8bit_chars = 0; 83int force_delete = 0; 84int io_timeout = 0; 85int allowed_lull = 0; 86int prune_empty_dirs = 0; 87char *files_from = NULL; 88int filesfrom_fd = -1; 89char *filesfrom_host = NULL; 90int eol_nulls = 0; 91int human_readable = 0; 92int recurse = 0; 93int xfer_dirs = -1; 94int am_daemon = 0; 95int daemon_over_rsh = 0; 96int do_stats = 0; 97int do_progress = 0; 98int keep_partial = 0; 99int safe_symlinks = 0; 100int copy_unsafe_links = 0; 101int size_only = 0; 102int daemon_bwlimit = 0; 103int bwlimit = 0; 104int fuzzy_basis = 0; 105size_t bwlimit_writemax = 0; 106int ignore_existing = 0; 107int ignore_non_existing = 0; 108int need_messages_from_generator = 0; 109int max_delete = 0; 110OFF_T max_size = 0; 111OFF_T min_size = 0; 112int ignore_errors = 0; 113int modify_window = 0; 114int blocking_io = -1; 115int checksum_seed = 0; 116int inplace = 0; 117int delay_updates = 0; 118long block_size = 0; /* "long" because popt can't set an int32. */ 119#ifdef EA_SUPPORT 120int extended_attributes = 0; 121#endif 122int no_cache = 1; 123 124 125/** Network address family. **/ 126#ifdef INET6 127int default_af_hint = 0; /* Any protocol */ 128#else 129int default_af_hint = AF_INET; /* Must use IPv4 */ 130#endif 131 132/** Do not go into the background when run as --daemon. Good 133 * for debugging and required for running as a service on W32, 134 * or under Unix process-monitors. **/ 135int no_detach 136#if defined _WIN32 || defined __WIN32__ 137 = 1; 138#else 139 = 0; 140#endif 141 142int write_batch = 0; 143int read_batch = 0; 144int backup_dir_len = 0; 145int backup_suffix_len; 146unsigned int backup_dir_remainder; 147 148char *backup_suffix = NULL; 149char *tmpdir = NULL; 150char *partial_dir = NULL; 151char *basis_dir[MAX_BASIS_DIRS+1]; 152char *config_file = NULL; 153char *shell_cmd = NULL; 154char *logfile_name = NULL; 155char *logfile_format = NULL; 156char *stdout_format = NULL; 157char *password_file = NULL; 158char *rsync_path = RSYNC_PATH; 159char *backup_dir = NULL; 160char backup_dir_buf[MAXPATHLEN]; 161char *sockopts = NULL; 162int rsync_port = 0; 163int compare_dest = 0; 164int copy_dest = 0; 165int link_dest = 0; 166int basis_dir_cnt = 0; 167char *dest_option = NULL; 168 169int verbose = 0; 170int quiet = 0; 171int output_motd = 1; 172int log_before_transfer = 0; 173int stdout_format_has_i = 0; 174int stdout_format_has_o_or_i = 0; 175int logfile_format_has_i = 0; 176int logfile_format_has_o_or_i = 0; 177int always_checksum = 0; 178int list_only = 0; 179 180#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */ 181char *batch_name = NULL; 182 183struct chmod_mode_struct *chmod_modes = NULL; 184 185static int daemon_opt; /* sets am_daemon after option error-reporting */ 186static int F_option_cnt = 0; 187static int modify_window_set; 188static int itemize_changes = 0; 189static int refused_delete, refused_archive_part, refused_compress; 190static int refused_partial, refused_progress, refused_delete_before; 191static int refused_inplace; 192static char *max_size_arg, *min_size_arg; 193static char tmp_partialdir[] = ".~tmp~"; 194 195/** Local address to bind. As a character string because it's 196 * interpreted by the IPv6 layer: should be a numeric IP4 or IP6 197 * address, or a hostname. **/ 198char *bind_address; 199 200 201static void print_rsync_version(enum logcode f) 202{ 203 char const *got_socketpair = "no "; 204 char const *have_inplace = "no "; 205 char const *hardlinks = "no "; 206 char const *links = "no "; 207 char const *ipv6 = "no "; 208 STRUCT_STAT *dumstat; 209 210#ifdef HAVE_SOCKETPAIR 211 got_socketpair = ""; 212#endif 213 214#ifdef HAVE_FTRUNCATE 215 have_inplace = ""; 216#endif 217 218#ifdef SUPPORT_HARD_LINKS 219 hardlinks = ""; 220#endif 221 222#ifdef SUPPORT_LINKS 223 links = ""; 224#endif 225 226#ifdef INET6 227 ipv6 = ""; 228#endif 229 230 rprintf(f, "%s version %s protocol version %d\n", 231 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION); 232 rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n"); 233 rprintf(f, "<http://rsync.samba.org/>\n"); 234 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, " 235 "%shard links, %ssymlinks, batchfiles,\n", 236 (int) (sizeof (OFF_T) * 8), 237 got_socketpair, hardlinks, links); 238 239 /* Note that this field may not have type ino_t. It depends 240 * on the complicated interaction between largefile feature 241 * macros. */ 242 rprintf(f, " %sinplace, %sIPv6, " 243 "%d-bit system inums, %d-bit internal inums\n", 244 have_inplace, ipv6, 245 (int) (sizeof dumstat->st_ino * 8), 246 (int) (sizeof (int64) * 8)); 247#ifdef MAINTAINER_MODE 248 rprintf(f, "Panic Action: \"%s\"\n", get_panic_action()); 249#endif 250 251#if SIZEOF_INT64 < 8 252 rprintf(f, "WARNING: no 64-bit integers on this platform!\n"); 253#endif 254 if (sizeof (int64) != SIZEOF_INT64) { 255 rprintf(f, 256 "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n", 257 (int) SIZEOF_INT64, (int) sizeof (int64)); 258 } 259 260 rprintf(f,"\n"); 261 rprintf(f,"rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"); 262 rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n"); 263 rprintf(f,"General Public Licence for details.\n"); 264} 265 266 267void usage(enum logcode F) 268{ 269 print_rsync_version(F); 270 271 rprintf(F,"\n"); 272 rprintf(F,"rsync is a file transfer program capable of efficient remote update\n"); 273 rprintf(F,"via a fast differencing algorithm.\n"); 274 275 rprintf(F,"\n"); 276 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... DEST\n"); 277 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n"); 278 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n"); 279 rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n"); 280 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n"); 281 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n"); 282 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n"); 283 rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n"); 284 rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n"); 285 rprintf(F,"\n"); 286 rprintf(F,"Options\n"); 287 rprintf(F," -v, --verbose increase verbosity\n"); 288 rprintf(F," -q, --quiet suppress non-error messages\n"); 289 rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n"); 290 rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n"); 291 rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n"); 292 rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n"); 293 rprintf(F," -r, --recursive recurse into directories\n"); 294 rprintf(F," -R, --relative use relative path names\n"); 295 rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n"); 296 rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n"); 297 rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n"); 298 rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX); 299 rprintf(F," -u, --update skip files that are newer on the receiver\n"); 300 rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n"); 301 rprintf(F," --append append data onto shorter files\n"); 302 rprintf(F," -d, --dirs transfer directories without recursing\n"); 303 rprintf(F," -l, --links copy symlinks as symlinks\n"); 304 rprintf(F," -L, --copy-links transform symlink into referent file/dir\n"); 305 rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n"); 306 rprintf(F," --safe-links ignore symlinks that point outside the source tree\n"); 307 rprintf(F," -k, --copy-dirlinks transform symlink to a dir into referent dir\n"); 308 rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n"); 309 rprintf(F," -H, --hard-links preserve hard links\n"); 310 rprintf(F," -p, --perms preserve permissions\n"); 311 rprintf(F," --executability preserve the file's executability\n"); 312 rprintf(F," --chmod=CHMOD affect file and/or directory permissions\n"); 313 rprintf(F," -o, --owner preserve owner (super-user only)\n"); 314 rprintf(F," -g, --group preserve group\n"); 315 rprintf(F," --devices preserve device files (super-user only)\n"); 316 rprintf(F," --specials preserve special files\n"); 317 rprintf(F," -D same as --devices --specials\n"); 318 rprintf(F," -t, --times preserve times\n"); 319 rprintf(F," -O, --omit-dir-times omit directories when preserving times\n"); 320 rprintf(F," --super receiver attempts super-user activities\n"); 321 rprintf(F," -S, --sparse handle sparse files efficiently\n"); 322 rprintf(F," -n, --dry-run show what would have been transferred\n"); 323 rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n"); 324 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n"); 325 rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n"); 326 rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n"); 327 rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n"); 328 rprintf(F," --existing skip creating new files on receiver\n"); 329 rprintf(F," --ignore-existing skip updating files that already exist on receiver\n"); 330 rprintf(F," --remove-source-files sender removes synchronized files (non-dirs)\n"); 331 rprintf(F," --del an alias for --delete-during\n"); 332 rprintf(F," --delete delete extraneous files from destination dirs\n"); 333 rprintf(F," --delete-before receiver deletes before transfer (default)\n"); 334 rprintf(F," --delete-during receiver deletes during transfer, not before\n"); 335 rprintf(F," --delete-after receiver deletes after transfer, not before\n"); 336 rprintf(F," --delete-excluded also delete excluded files from destination dirs\n"); 337 rprintf(F," --ignore-errors delete even if there are I/O errors\n"); 338 rprintf(F," --force force deletion of directories even if not empty\n"); 339 rprintf(F," --max-delete=NUM don't delete more than NUM files\n"); 340 rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n"); 341 rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n"); 342 rprintf(F," --partial keep partially transferred files\n"); 343 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n"); 344 rprintf(F," --delay-updates put all updated files into place at transfer's end\n"); 345 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n"); 346 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n"); 347 rprintf(F," --timeout=TIME set I/O timeout in seconds\n"); 348 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n"); 349 rprintf(F," --size-only skip files that match in size\n"); 350 rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n"); 351 rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n"); 352 rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n"); 353 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n"); 354 rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n"); 355 rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n"); 356 rprintf(F," -z, --compress compress file data during the transfer\n"); 357 rprintf(F," --compress-level=NUM explicitly set compression level\n"); 358 rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n"); 359 rprintf(F," -f, --filter=RULE add a file-filtering RULE\n"); 360 rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n"); 361 rprintf(F," repeated: --filter='- .rsync-filter'\n"); 362 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n"); 363 rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n"); 364 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n"); 365 rprintf(F," --include-from=FILE read include patterns from FILE\n"); 366 rprintf(F," --files-from=FILE read list of source-file names from FILE\n"); 367 rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n"); 368 rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n"); 369 rprintf(F," --port=PORT specify double-colon alternate port number\n"); 370 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n"); 371 rprintf(F," --blocking-io use blocking I/O for the remote shell\n"); 372 rprintf(F," --stats give some file-transfer stats\n"); 373 rprintf(F," -8, --8-bit-output leave high-bit chars unescaped in output\n"); 374 rprintf(F," -h, --human-readable output numbers in a human-readable format\n"); 375 rprintf(F," --progress show progress during transfer\n"); 376 rprintf(F," -P same as --partial --progress\n"); 377 rprintf(F," -i, --itemize-changes output a change-summary for all updates\n"); 378 rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n"); 379 rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n"); 380 rprintf(F," --log-file-format=FMT log updates using the specified FMT\n"); 381 rprintf(F," --password-file=FILE read password from FILE\n"); 382 rprintf(F," --list-only list the files instead of copying them\n"); 383 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n"); 384 rprintf(F," --write-batch=FILE write a batched update to FILE\n"); 385 rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n"); 386 rprintf(F," --read-batch=FILE read a batched update from FILE\n"); 387 rprintf(F," --protocol=NUM force an older protocol version to be used\n"); 388#ifdef EA_SUPPORT 389 rprintf(F," -E, --extended-attributes copy extended attributes\n"); 390#endif 391 rprintf(F," --cache disable fcntl(F_NOCACHE)\n"); 392#ifdef INET6 393 rprintf(F," -4, --ipv4 prefer IPv4\n"); 394 rprintf(F," -6, --ipv6 prefer IPv6\n"); 395#endif 396 rprintf(F," --version print version number\n"); 397 rprintf(F,"(-h) --help show this help (-h works with no other options)\n"); 398 399 rprintf(F,"\n"); 400 rprintf(F,"Use \"rsync --daemon --help\" to see the daemon-mode command-line options.\n"); 401 rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n"); 402 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n"); 403} 404 405enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM, 406 OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP, 407 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD, 408 OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE, 409 OPT_NO_D, 410 OPT_SERVER, OPT_REFUSED_BASE = 9000}; 411 412static struct poptOption long_options[] = { 413 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ 414 {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 }, 415 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0}, 416 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 }, 417 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, 418 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, 419 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 }, 420 {"motd", 0, POPT_ARG_VAL, &output_motd, 1, 0, 0 }, 421 {"no-motd", 0, POPT_ARG_VAL, &output_motd, 0, 0, 0 }, 422 {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 }, 423 {"human-readable", 'h', POPT_ARG_NONE, 0, 'h', 0, 0}, 424 {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 }, 425 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 }, 426 {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 }, 427 {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 }, 428 {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 }, 429 {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 }, 430 {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 }, 431 {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 }, 432 {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 }, 433 {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 }, 434 {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 }, 435 {"executability", 0, POPT_ARG_NONE, &preserve_executability, 0, 0, 0 }, 436 {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 }, 437 {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 }, 438 {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 }, 439 {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 }, 440 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 }, 441 {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 }, 442 {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 }, 443 {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 }, 444 {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 }, 445 {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 }, 446 {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 }, 447 {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 }, 448 {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 }, 449 {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 }, 450 {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 }, 451 {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 }, 452 {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 }, 453 {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 }, 454 {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 }, 455 {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 }, 456 {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 }, 457 {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 }, 458 {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 }, 459 {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 }, 460 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 }, 461 {"copy-dirlinks", 'k', POPT_ARG_NONE, ©_dirlinks, 0, 0, 0 }, 462 {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 }, 463 {"hard-links", 'H', POPT_ARG_VAL, &preserve_hard_links, 1, 0, 0 }, 464 {"no-hard-links", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 }, 465 {"no-H", 0, POPT_ARG_VAL, &preserve_hard_links, 0, 0, 0 }, 466 {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 }, 467 {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 }, 468 {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 }, 469 {"implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 1, 0, 0 }, 470 {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 }, 471 {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 }, 472 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 }, 473 {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 }, 474 {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 }, 475 {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 }, 476 {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 }, 477 {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 }, 478 {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 }, 479 {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 }, 480 {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 }, 481 {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 }, 482 {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 }, 483 {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 }, 484 {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 }, 485 {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 }, 486 {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 }, 487 {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 }, 488 {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 }, 489 {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 }, 490 {"remove-sent-files",0, POPT_ARG_VAL, &remove_source_files, 2, 0, 0 }, /* deprecated */ 491 {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 }, 492 {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 }, 493 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 }, 494 {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 }, 495 {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 }, 496 {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 }, 497 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 }, 498 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 }, 499 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 }, 500 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 }, 501 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 }, 502 {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 }, 503 {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, 504 {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, 505 {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 }, 506 {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 }, 507 {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 }, 508 {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 }, 509 {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 }, 510 {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 }, 511 {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 }, 512 {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 }, 513 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 }, 514 {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 }, 515 {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 }, 516 {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 }, 517 {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 }, 518 {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 }, 519 {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 }, 520 {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 }, 521 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 }, 522 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 }, 523 {"out-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, 524 {"log-format", 0, POPT_ARG_STRING, &stdout_format, 0, 0, 0 }, /* DEPRECATED */ 525 {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 }, 526 {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 }, 527 {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 }, 528 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 }, 529 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 }, 530 {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 }, 531 {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 }, 532 {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 }, 533 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 }, 534 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 }, 535 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0}, 536 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 }, 537 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 }, 538 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 }, 539 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 }, 540 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 }, 541#ifdef EA_SUPPORT 542 {"extended-attributes", 'E', POPT_ARG_NONE, &extended_attributes, 0, 0, 0 }, 543#endif 544 {"cache", 0, POPT_ARG_VAL, &no_cache, 0, 0, 0 }, 545#ifdef INET6 546 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, 547 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, 548#endif 549 {"8-bit-output", '8', POPT_ARG_NONE, &allow_8bit_chars, 0, 0, 0 }, 550 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 }, 551 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 }, 552 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 }, 553 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 }, 554 {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 }, 555 {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 }, 556 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 }, 557 {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 }, 558 {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 }, 559 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 }, 560 /* All the following options switch us into daemon-mode option-parsing. */ 561 {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 }, 562 {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 }, 563 {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 }, 564 {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 }, 565 {0,0,0,0, 0, 0, 0} 566}; 567 568static void daemon_usage(enum logcode F) 569{ 570 print_rsync_version(F); 571 572 rprintf(F,"\n"); 573 rprintf(F,"Usage: rsync --daemon [OPTION]...\n"); 574 rprintf(F," --address=ADDRESS bind to the specified address\n"); 575 rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n"); 576 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n"); 577 rprintf(F," --no-detach do not detach from the parent\n"); 578 rprintf(F," --port=PORT listen on alternate port number\n"); 579 rprintf(F," --log-file=FILE override the \"log file\" setting\n"); 580 rprintf(F," --log-file-format=FMT override the \"log format\" setting\n"); 581 rprintf(F," --sockopts=OPTIONS specify custom TCP options\n"); 582 rprintf(F," -v, --verbose increase verbosity\n"); 583#ifdef INET6 584 rprintf(F," -4, --ipv4 prefer IPv4\n"); 585 rprintf(F," -6, --ipv6 prefer IPv6\n"); 586#endif 587 rprintf(F," --help show this help screen\n"); 588 589 rprintf(F,"\n"); 590 rprintf(F,"If you were not trying to invoke rsync as a daemon, avoid using any of the\n"); 591 rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n"); 592} 593 594static struct poptOption long_daemon_options[] = { 595 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ 596 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 }, 597 {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 }, 598 {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 }, 599 {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 }, 600#ifdef INET6 601 {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, 602 {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, 603#endif 604 {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 }, 605 {"log-file", 0, POPT_ARG_STRING, &logfile_name, 0, 0, 0 }, 606 {"log-file-format", 0, POPT_ARG_STRING, &logfile_format, 0, 0, 0 }, 607 {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 }, 608 {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 }, 609 {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 }, 610 {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 }, 611 {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 }, 612 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 }, 613 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 }, 614 {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, 615 {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, 616 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 }, 617 {0,0,0,0, 0, 0, 0} 618}; 619 620 621static char err_buf[200]; 622 623 624/** 625 * Store the option error message, if any, so that we can log the 626 * connection attempt (which requires parsing the options), and then 627 * show the error later on. 628 **/ 629void option_error(void) 630{ 631 if (!err_buf[0]) { 632 strlcpy(err_buf, "Error parsing options: option may " 633 "be supported on client but not on server?\n", 634 sizeof err_buf); 635 } 636 637 rprintf(FERROR, RSYNC_NAME ": %s", err_buf); 638 msleep(20); 639} 640 641 642/** 643 * Tweak the option table to disable all options that the rsyncd.conf 644 * file has told us to refuse. 645 **/ 646static void set_refuse_options(char *bp) 647{ 648 struct poptOption *op; 649 char *cp, shortname[2]; 650 int is_wild, found_match; 651 652 shortname[1] = '\0'; 653 654 while (1) { 655 while (*bp == ' ') bp++; 656 if (!*bp) 657 break; 658 if ((cp = strchr(bp, ' ')) != NULL) 659 *cp= '\0'; 660 is_wild = strpbrk(bp, "*?[") != NULL; 661 found_match = 0; 662 for (op = long_options; ; op++) { 663 *shortname = op->shortName; 664 if (!op->longName && !*shortname) 665 break; 666 if ((op->longName && wildmatch(bp, op->longName)) 667 || (*shortname && wildmatch(bp, shortname))) { 668 if (op->argInfo == POPT_ARG_VAL) 669 op->argInfo = POPT_ARG_NONE; 670 op->val = (op - long_options) + OPT_REFUSED_BASE; 671 found_match = 1; 672 /* These flags are set to let us easily check 673 * an implied option later in the code. */ 674 switch (*shortname) { 675 case 'r': case 'd': case 'l': case 'p': 676 case 't': case 'g': case 'o': case 'D': 677 refused_archive_part = op->val; 678 break; 679 case 'z': 680 refused_compress = op->val; 681 break; 682 case '\0': 683 if (wildmatch("delete", op->longName)) 684 refused_delete = op->val; 685 else if (wildmatch("delete-before", op->longName)) 686 refused_delete_before = op->val; 687 else if (wildmatch("partial", op->longName)) 688 refused_partial = op->val; 689 else if (wildmatch("progress", op->longName)) 690 refused_progress = op->val; 691 else if (wildmatch("inplace", op->longName)) 692 refused_inplace = op->val; 693 break; 694 } 695 if (!is_wild) 696 break; 697 } 698 } 699 if (!found_match) { 700 rprintf(FLOG, "No match for refuse-options string \"%s\"\n", 701 bp); 702 } 703 if (!cp) 704 break; 705 *cp = ' '; 706 bp = cp + 1; 707 } 708} 709 710 711static int count_args(const char **argv) 712{ 713 int i = 0; 714 715 if (argv) { 716 while (argv[i] != NULL) 717 i++; 718 } 719 720 return i; 721} 722 723 724static OFF_T parse_size_arg(char **size_arg, char def_suf) 725{ 726 int reps, mult, make_compatible = 0; 727 const char *arg; 728 OFF_T size = 1; 729 730 for (arg = *size_arg; isdigit(*(uchar*)arg); arg++) {} 731 if (*arg == '.') 732 for (arg++; isdigit(*(uchar*)arg); arg++) {} 733 switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) { 734 case 'b': case 'B': 735 reps = 0; 736 break; 737 case 'k': case 'K': 738 reps = 1; 739 break; 740 case 'm': case 'M': 741 reps = 2; 742 break; 743 case 'g': case 'G': 744 reps = 3; 745 break; 746 default: 747 return -1; 748 } 749 if (*arg == 'b' || *arg == 'B') 750 mult = 1000, make_compatible = 1, arg++; 751 else if (!*arg || *arg == '+' || *arg == '-') 752 mult = 1024; 753 else if (strncasecmp(arg, "ib", 2) == 0) 754 mult = 1024, arg += 2; 755 else 756 return -1; 757 while (reps--) 758 size *= mult; 759 size *= atof(*size_arg); 760 if ((*arg == '+' || *arg == '-') && arg[1] == '1') 761 size += atoi(arg), make_compatible = 1, arg += 2; 762 if (*arg) 763 return -1; 764 if (size > 0 && make_compatible) { 765 /* We convert this manually because we may need %lld precision, 766 * and that's not a portable sprintf() escape. */ 767 char buf[128], *s = buf + sizeof buf - 1; 768 OFF_T num = size; 769 *s = '\0'; 770 while (num) { 771 *--s = (num % 10) + '0'; 772 num /= 10; 773 } 774 if (!(*size_arg = strdup(s))) 775 out_of_memory("parse_size_arg"); 776 } 777 return size; 778} 779 780 781static void create_refuse_error(int which) 782{ 783 /* The "which" value is the index + OPT_REFUSED_BASE. */ 784 struct poptOption *op = &long_options[which - OPT_REFUSED_BASE]; 785 int n = snprintf(err_buf, sizeof err_buf, 786 "The server is configured to refuse --%s\n", 787 op->longName) - 1; 788 if (op->shortName) { 789 snprintf(err_buf + n, sizeof err_buf - n, 790 " (-%c)\n", op->shortName); 791 } 792} 793 794 795/** 796 * Process command line arguments. Called on both local and remote. 797 * 798 * @retval 1 if all options are OK; with globals set to appropriate 799 * values 800 * 801 * @retval 0 on error, with err_buf containing an explanation 802 **/ 803int parse_arguments(int *argc, const char ***argv, int frommain) 804{ 805 int opt; 806 char *ref = lp_refuse_options(module_id); 807 const char *arg; 808 poptContext pc; 809 810 if (ref && *ref) 811 set_refuse_options(ref); 812 if (am_daemon) 813 set_refuse_options("log-file*"); 814 815 /* TODO: Call poptReadDefaultConfig; handle errors. */ 816 817 /* The context leaks in case of an error, but if there's a 818 * problem we always exit anyhow. */ 819 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0); 820 poptReadDefaultConfig(pc, 0); 821 822 while ((opt = poptGetNextOpt(pc)) != -1) { 823 /* most options are handled automatically by popt; 824 * only special cases are returned and listed here. */ 825 826 switch (opt) { 827 case OPT_VERSION: 828 print_rsync_version(FINFO); 829 exit_cleanup(0); 830 831 case OPT_SERVER: 832 if (!am_server) { 833 /* Disable popt aliases on the server side and 834 * then start parsing the options again. */ 835 poptFreeContext(pc); 836 pc = poptGetContext(RSYNC_NAME, *argc, *argv, 837 long_options, 0); 838 am_server = 1; 839 } 840 break; 841 842 case OPT_SENDER: 843 if (!am_server) { 844 usage(FERROR); 845 exit_cleanup(RERR_SYNTAX); 846 } 847 am_sender = 1; 848 break; 849 850 case OPT_DAEMON: 851 if (am_daemon) { 852 strlcpy(err_buf, 853 "Attempt to hack rsync thwarted!\n", 854 sizeof err_buf); 855 return 0; 856 } 857 poptFreeContext(pc); 858 pc = poptGetContext(RSYNC_NAME, *argc, *argv, 859 long_daemon_options, 0); 860 while ((opt = poptGetNextOpt(pc)) != -1) { 861 switch (opt) { 862 case 'h': 863 daemon_usage(FINFO); 864 exit_cleanup(0); 865 866 case 'v': 867 verbose++; 868 break; 869 870 default: 871 rprintf(FERROR, 872 "rsync: %s: %s (in daemon mode)\n", 873 poptBadOption(pc, POPT_BADOPTION_NOALIAS), 874 poptStrerror(opt)); 875 goto daemon_error; 876 } 877 } 878 879 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { 880 snprintf(err_buf, sizeof err_buf, 881 "the --temp-dir path is WAY too long.\n"); 882 return 0; 883 } 884 885 if (!daemon_opt) { 886 rprintf(FERROR, "Daemon option(s) used without --daemon.\n"); 887 daemon_error: 888 rprintf(FERROR, 889 "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n"); 890 exit_cleanup(RERR_SYNTAX); 891 } 892 893 *argv = poptGetArgs(pc); 894 *argc = count_args(*argv); 895 am_starting_up = 0; 896 daemon_opt = 0; 897 am_daemon = 1; 898 return 1; 899 900 case OPT_MODIFY_WINDOW: 901 /* The value has already been set by popt, but 902 * we need to remember that we're using a 903 * non-default setting. */ 904 modify_window_set = 1; 905 break; 906 907 case OPT_FILTER: 908 parse_rule(&filter_list, poptGetOptArg(pc), 0, 0); 909 break; 910 911 case OPT_EXCLUDE: 912 parse_rule(&filter_list, poptGetOptArg(pc), 913 0, XFLG_OLD_PREFIXES); 914 break; 915 916 case OPT_INCLUDE: 917 parse_rule(&filter_list, poptGetOptArg(pc), 918 MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES); 919 break; 920 921 case OPT_EXCLUDE_FROM: 922 case OPT_INCLUDE_FROM: 923 arg = poptGetOptArg(pc); 924 if (sanitize_paths) 925 arg = sanitize_path(NULL, arg, NULL, 0, NULL); 926 if (server_filter_list.head) { 927 char *cp = strdup(arg); 928 if (!cp) 929 out_of_memory("parse_arguments"); 930 if (!*cp) 931 goto options_rejected; 932 clean_fname(cp, 1); 933 if (check_filter(&server_filter_list, cp, 0) < 0) 934 goto options_rejected; 935 free(cp); 936 } 937 parse_filter_file(&filter_list, arg, 938 opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0, 939 XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES); 940 break; 941 942 case 'a': 943 if (refused_archive_part) { 944 create_refuse_error(refused_archive_part); 945 return 0; 946 } 947 if (!recurse) /* preserve recurse == 2 */ 948 recurse = 1; 949#ifdef SUPPORT_LINKS 950 preserve_links = 1; 951#endif 952 preserve_perms = 1; 953 preserve_times = 1; 954 preserve_gid = 1; 955 preserve_uid = 1; 956 preserve_devices = 1; 957 preserve_specials = 1; 958 break; 959 960 case 'D': 961 preserve_devices = preserve_specials = 1; 962 break; 963 964 case OPT_NO_D: 965 preserve_devices = preserve_specials = 0; 966 break; 967 968 case 'h': 969 human_readable++; 970 break; 971 972 case 'i': 973 itemize_changes++; 974 break; 975 976 case 'v': 977 verbose++; 978 break; 979 980 case 'q': 981 if (frommain) 982 quiet++; 983 break; 984 985 case 'x': 986 one_file_system++; 987 break; 988 989 case 'F': 990 switch (++F_option_cnt) { 991 case 1: 992 parse_rule(&filter_list,": /.rsync-filter",0,0); 993 break; 994 case 2: 995 parse_rule(&filter_list,"- .rsync-filter",0,0); 996 break; 997 } 998 break; 999 1000 case 'P': 1001 if (refused_partial || refused_progress) { 1002 create_refuse_error(refused_partial 1003 ? refused_partial : refused_progress); 1004 return 0; 1005 } 1006 do_progress = 1; 1007 keep_partial = 1; 1008 break; 1009 1010 case 'z': 1011 if (def_compress_level < Z_DEFAULT_COMPRESSION 1012 || def_compress_level > Z_BEST_COMPRESSION) { 1013 snprintf(err_buf, sizeof err_buf, 1014 "--compress-level value is invalid: %d\n", 1015 def_compress_level); 1016 return 0; 1017 } 1018 do_compression = def_compress_level != Z_NO_COMPRESSION; 1019 if (do_compression && refused_compress) { 1020 create_refuse_error(refused_compress); 1021 return 0; 1022 } 1023 break; 1024 1025 case OPT_WRITE_BATCH: 1026 /* batch_name is already set */ 1027 write_batch = 1; 1028 break; 1029 1030 case OPT_ONLY_WRITE_BATCH: 1031 /* batch_name is already set */ 1032 write_batch = -1; 1033 break; 1034 1035 case OPT_READ_BATCH: 1036 /* batch_name is already set */ 1037 read_batch = 1; 1038 break; 1039 1040 case OPT_MAX_SIZE: 1041 if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) { 1042 snprintf(err_buf, sizeof err_buf, 1043 "--max-size value is invalid: %s\n", 1044 max_size_arg); 1045 return 0; 1046 } 1047 break; 1048 1049 case OPT_MIN_SIZE: 1050 if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) { 1051 snprintf(err_buf, sizeof err_buf, 1052 "--min-size value is invalid: %s\n", 1053 min_size_arg); 1054 return 0; 1055 } 1056 break; 1057 1058 case OPT_LINK_DEST: 1059#ifdef SUPPORT_HARD_LINKS 1060 link_dest = 1; 1061 dest_option = "--link-dest"; 1062 goto set_dest_dir; 1063#else 1064 snprintf(err_buf, sizeof err_buf, 1065 "hard links are not supported on this %s\n", 1066 am_server ? "server" : "client"); 1067 return 0; 1068#endif 1069 1070 case OPT_COPY_DEST: 1071 copy_dest = 1; 1072 dest_option = "--copy-dest"; 1073 goto set_dest_dir; 1074 1075 case OPT_COMPARE_DEST: 1076 compare_dest = 1; 1077 dest_option = "--compare-dest"; 1078 set_dest_dir: 1079 if (basis_dir_cnt >= MAX_BASIS_DIRS) { 1080 snprintf(err_buf, sizeof err_buf, 1081 "ERROR: at most %d %s args may be specified\n", 1082 MAX_BASIS_DIRS, dest_option); 1083 return 0; 1084 } 1085 /* We defer sanitizing this arg until we know what 1086 * our destination directory is going to be. */ 1087 basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc); 1088 break; 1089 1090 case OPT_CHMOD: 1091 arg = poptGetOptArg(pc); 1092 if (!parse_chmod(arg, &chmod_modes)) { 1093 snprintf(err_buf, sizeof err_buf, 1094 "Invalid argument passed to --chmod (%s)\n", 1095 arg); 1096 return 0; 1097 } 1098 break; 1099 1100 case OPT_HELP: 1101 usage(FINFO); 1102 exit_cleanup(0); 1103 1104 default: 1105 /* A large opt value means that set_refuse_options() 1106 * turned this option off. */ 1107 if (opt >= OPT_REFUSED_BASE) { 1108 create_refuse_error(opt); 1109 return 0; 1110 } 1111 snprintf(err_buf, sizeof err_buf, "%s%s: %s\n", 1112 am_server ? "on remote machine: " : "", 1113 poptBadOption(pc, POPT_BADOPTION_NOALIAS), 1114 poptStrerror(opt)); 1115 return 0; 1116 } 1117 } 1118 1119 if (human_readable && *argc == 2) { 1120 /* Allow the old meaning of 'h' (--help) on its own. */ 1121 usage(FINFO); 1122 exit_cleanup(0); 1123 } 1124 1125#ifndef SUPPORT_LINKS 1126 if (preserve_links && !am_sender) { 1127 snprintf(err_buf, sizeof err_buf, 1128 "symlinks are not supported on this %s\n", 1129 am_server ? "server" : "client"); 1130 return 0; 1131 } 1132#endif 1133 1134#ifndef SUPPORT_HARD_LINKS 1135 if (preserve_hard_links) { 1136 snprintf(err_buf, sizeof err_buf, 1137 "hard links are not supported on this %s\n", 1138 am_server ? "server" : "client"); 1139 return 0; 1140 } 1141#endif 1142 1143 if (write_batch && read_batch) { 1144 snprintf(err_buf, sizeof err_buf, 1145 "--write-batch and --read-batch can not be used together\n"); 1146 return 0; 1147 } 1148 if (write_batch > 0 || read_batch) { 1149 if (am_server) { 1150 rprintf(FINFO, 1151 "ignoring --%s-batch option sent to server\n", 1152 write_batch ? "write" : "read"); 1153 /* We don't actually exit_cleanup(), so that we can 1154 * still service older version clients that still send 1155 * batch args to server. */ 1156 read_batch = write_batch = 0; 1157 batch_name = NULL; 1158 } else if (dry_run) 1159 write_batch = 0; 1160 } 1161 if (read_batch && files_from) { 1162 snprintf(err_buf, sizeof err_buf, 1163 "--read-batch cannot be used with --files-from\n"); 1164 return 0; 1165 } 1166 if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) { 1167 snprintf(err_buf, sizeof err_buf, 1168 "the batch-file name must be %d characters or less.\n", 1169 MAX_BATCH_NAME_LEN); 1170 return 0; 1171 } 1172 1173 if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { 1174 snprintf(err_buf, sizeof err_buf, 1175 "the --temp-dir path is WAY too long.\n"); 1176 return 0; 1177 } 1178 1179 if (compare_dest + copy_dest + link_dest > 1) { 1180 snprintf(err_buf, sizeof err_buf, 1181 "You may not mix --compare-dest, --copy-dest, and --link-dest.\n"); 1182 return 0; 1183 } 1184 1185 if (files_from) { 1186 if (recurse == 1) /* preserve recurse == 2 */ 1187 recurse = 0; 1188 if (xfer_dirs < 0) 1189 xfer_dirs = 1; 1190 } 1191 1192 if (xfer_dirs < 1) 1193 xfer_dirs = recurse || list_only; 1194 1195 if (relative_paths < 0) 1196 relative_paths = files_from? 1 : 0; 1197 if (!relative_paths) 1198 implied_dirs = 0; 1199 1200 if (!!delete_before + delete_during + delete_after > 1) { 1201 snprintf(err_buf, sizeof err_buf, 1202 "You may not combine multiple --delete-WHEN options.\n"); 1203 return 0; 1204 } 1205 if (delete_before || delete_during || delete_after) 1206 delete_mode = 1; 1207 else if (delete_mode || delete_excluded) { 1208 if (refused_delete_before) { 1209 create_refuse_error(refused_delete_before); 1210 return 0; 1211 } 1212 delete_mode = delete_before = 1; 1213 } 1214 if (!xfer_dirs && delete_mode) { 1215 snprintf(err_buf, sizeof err_buf, 1216 "--delete does not work without -r or -d.\n"); 1217 return 0; 1218 } 1219 1220 if (delete_mode && refused_delete) { 1221 create_refuse_error(refused_delete); 1222 return 0; 1223 } 1224 1225 if (remove_source_files) { 1226 /* We only want to infer this refusal of --remove-source-files 1227 * via the refusal of "delete", not any of the "delete-FOO" 1228 * options. */ 1229 if (refused_delete && am_sender) { 1230 create_refuse_error(refused_delete); 1231 return 0; 1232 } 1233 need_messages_from_generator = 1; 1234 } 1235 1236 *argv = poptGetArgs(pc); 1237 *argc = count_args(*argv); 1238 1239 if (sanitize_paths) { 1240 int i; 1241 for (i = *argc; i-- > 0; ) 1242 (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0, NULL); 1243 if (tmpdir) 1244 tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, NULL); 1245 if (backup_dir) 1246 backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, NULL); 1247 } 1248 if (server_filter_list.head && !am_sender) { 1249 struct filter_list_struct *elp = &server_filter_list; 1250 if (tmpdir) { 1251 if (!*tmpdir) 1252 goto options_rejected; 1253 clean_fname(tmpdir, 1); 1254 if (check_filter(elp, tmpdir, 1) < 0) 1255 goto options_rejected; 1256 } 1257 if (backup_dir) { 1258 if (!*backup_dir) 1259 goto options_rejected; 1260 clean_fname(backup_dir, 1); 1261 if (check_filter(elp, backup_dir, 1) < 0) { 1262 options_rejected: 1263 snprintf(err_buf, sizeof err_buf, 1264 "Your options have been rejected by the server.\n"); 1265 return 0; 1266 } 1267 } 1268 } 1269 1270 if (!backup_suffix) 1271 backup_suffix = backup_dir ? "" : BACKUP_SUFFIX; 1272 backup_suffix_len = strlen(backup_suffix); 1273 if (strchr(backup_suffix, '/') != NULL) { 1274 snprintf(err_buf, sizeof err_buf, 1275 "--suffix cannot contain slashes: %s\n", 1276 backup_suffix); 1277 return 0; 1278 } 1279 if (backup_dir) { 1280 backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf); 1281 backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len; 1282 if (backup_dir_remainder < 32) { 1283 snprintf(err_buf, sizeof err_buf, 1284 "the --backup-dir path is WAY too long.\n"); 1285 return 0; 1286 } 1287 if (backup_dir_buf[backup_dir_len - 1] != '/') { 1288 backup_dir_buf[backup_dir_len++] = '/'; 1289 backup_dir_buf[backup_dir_len] = '\0'; 1290 } 1291 if (verbose > 1 && !am_sender) 1292 rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf); 1293 } else if (!backup_suffix_len && (!am_server || !am_sender)) { 1294 snprintf(err_buf, sizeof err_buf, 1295 "--suffix cannot be a null string without --backup-dir\n"); 1296 return 0; 1297 } else if (make_backups && delete_mode && !delete_excluded) { 1298 snprintf(backup_dir_buf, sizeof backup_dir_buf, 1299 "P *%s", backup_suffix); 1300 parse_rule(&filter_list, backup_dir_buf, 0, 0); 1301 } 1302 if (make_backups && !backup_dir) 1303 omit_dir_times = 1; 1304 1305 if (stdout_format) { 1306 if (am_server && log_format_has(stdout_format, 'I')) 1307 stdout_format_has_i = 2; 1308 else if (log_format_has(stdout_format, 'i')) 1309 stdout_format_has_i = itemize_changes | 1; 1310 if (!log_format_has(stdout_format, 'b') 1311 && !log_format_has(stdout_format, 'c')) 1312 log_before_transfer = !am_server; 1313 } else if (itemize_changes) { 1314 stdout_format = "%i %n%L"; 1315 stdout_format_has_i = itemize_changes; 1316 log_before_transfer = !am_server; 1317 } 1318 1319 if (do_progress && !verbose && !log_before_transfer && !am_server) 1320 verbose = 1; 1321 1322 if (dry_run) 1323 do_xfers = 0; 1324 1325 set_io_timeout(io_timeout); 1326 1327 if (verbose && !stdout_format) { 1328 stdout_format = "%n%L"; 1329 log_before_transfer = !am_server; 1330 } 1331 if (stdout_format_has_i || log_format_has(stdout_format, 'o')) 1332 stdout_format_has_o_or_i = 1; 1333 1334 if (logfile_name && !am_daemon) { 1335 if (!logfile_format) { 1336 logfile_format = "%i %n%L"; 1337 logfile_format_has_i = logfile_format_has_o_or_i = 1; 1338 } else { 1339 if (log_format_has(logfile_format, 'i')) 1340 logfile_format_has_i = 1; 1341 if (logfile_format_has_i || log_format_has(logfile_format, 'o')) 1342 logfile_format_has_o_or_i = 1; 1343 } 1344 log_init(0); 1345 } else if (!am_daemon) 1346 logfile_format = NULL; 1347 1348 if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit)) 1349 bwlimit = daemon_bwlimit; 1350 if (bwlimit) { 1351 bwlimit_writemax = (size_t)bwlimit * 128; 1352 if (bwlimit_writemax < 512) 1353 bwlimit_writemax = 512; 1354 } 1355 1356 if (sparse_files && inplace) { 1357 /* Note: we don't check for this below, because --append is 1358 * OK with --sparse (as long as redos are handled right). */ 1359 snprintf(err_buf, sizeof err_buf, 1360 "--sparse cannot be used with --inplace\n"); 1361 return 0; 1362 } 1363 1364 if (append_mode) { 1365 if (whole_file > 0) { 1366 snprintf(err_buf, sizeof err_buf, 1367 "--append cannot be used with --whole-file\n"); 1368 return 0; 1369 } 1370 if (refused_inplace) { 1371 create_refuse_error(refused_inplace); 1372 return 0; 1373 } 1374 inplace = 1; 1375 } 1376 1377 if (delay_updates && !partial_dir) 1378 partial_dir = tmp_partialdir; 1379 1380 if (inplace) { 1381#ifdef HAVE_FTRUNCATE 1382 if (partial_dir) { 1383 snprintf(err_buf, sizeof err_buf, 1384 "--%s cannot be used with --%s\n", 1385 append_mode ? "append" : "inplace", 1386 delay_updates ? "delay-updates" : "partial-dir"); 1387 return 0; 1388 } 1389 /* --inplace implies --partial for refusal purposes, but we 1390 * clear the keep_partial flag for internal logic purposes. */ 1391 if (refused_partial) { 1392 create_refuse_error(refused_partial); 1393 return 0; 1394 } 1395 keep_partial = 0; 1396#else 1397 snprintf(err_buf, sizeof err_buf, 1398 "--%s is not supported on this %s\n", 1399 append_mode ? "append" : "inplace", 1400 am_server ? "server" : "client"); 1401 return 0; 1402#endif 1403 } else { 1404 if (keep_partial && !partial_dir && !am_server) { 1405 if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg) 1406 partial_dir = strdup(arg); 1407 } 1408 if (partial_dir) { 1409 if (*partial_dir) 1410 clean_fname(partial_dir, 1); 1411 if (!*partial_dir || strcmp(partial_dir, ".") == 0) 1412 partial_dir = NULL; 1413 else if (*partial_dir != '/' && !am_server) { 1414 parse_rule(&filter_list, partial_dir, 1415 MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0); 1416 } 1417 if (!partial_dir && refused_partial) { 1418 create_refuse_error(refused_partial); 1419 return 0; 1420 } 1421 keep_partial = 1; 1422 } 1423 } 1424 1425 if (files_from) { 1426 char *h, *p; 1427 int q; 1428 if (*argc > 2 || (!am_daemon && *argc == 1)) { 1429 usage(FERROR); 1430 exit_cleanup(RERR_SYNTAX); 1431 } 1432 if (strcmp(files_from, "-") == 0) { 1433 filesfrom_fd = 0; 1434 if (am_server) 1435 filesfrom_host = ""; /* reading from socket */ 1436 } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) { 1437 if (am_server) { 1438 snprintf(err_buf, sizeof err_buf, 1439 "The --files-from sent to the server cannot specify a host.\n"); 1440 return 0; 1441 } 1442 files_from = p; 1443 filesfrom_host = h; 1444 if (strcmp(files_from, "-") == 0) { 1445 snprintf(err_buf, sizeof err_buf, 1446 "Invalid --files-from remote filename\n"); 1447 return 0; 1448 } 1449 } else { 1450 if (sanitize_paths) 1451 files_from = sanitize_path(NULL, files_from, NULL, 0, NULL); 1452 if (server_filter_list.head) { 1453 if (!*files_from) 1454 goto options_rejected; 1455 clean_fname(files_from, 1); 1456 if (check_filter(&server_filter_list, files_from, 0) < 0) 1457 goto options_rejected; 1458 } 1459 filesfrom_fd = open(files_from, O_RDONLY|O_BINARY); 1460 if (filesfrom_fd < 0) { 1461 snprintf(err_buf, sizeof err_buf, 1462 "failed to open files-from file %s: %s\n", 1463 files_from, strerror(errno)); 1464 return 0; 1465 } 1466 } 1467 } 1468 1469 am_starting_up = 0; 1470 1471 return 1; 1472} 1473 1474 1475/** 1476 * Construct a filtered list of options to pass through from the 1477 * client to the server. 1478 * 1479 * This involves setting options that will tell the server how to 1480 * behave, and also filtering out options that are processed only 1481 * locally. 1482 **/ 1483void server_options(char **args,int *argc) 1484{ 1485 static char argstr[64]; 1486 int ac = *argc; 1487 char *arg; 1488 1489 int i, x; 1490 1491 if (blocking_io == -1) 1492 blocking_io = 0; 1493 1494 /* This should always remain first on the server's command-line. */ 1495 args[ac++] = "--server"; 1496 1497 if (daemon_over_rsh) { 1498 args[ac++] = "--daemon"; 1499 *argc = ac; 1500 /* if we're passing --daemon, we're done */ 1501 return; 1502 } 1503 1504 if (!am_sender) 1505 args[ac++] = "--sender"; 1506 1507 x = 1; 1508 argstr[0] = '-'; 1509 for (i = 0; i < verbose; i++) 1510 argstr[x++] = 'v'; 1511 1512 /* the -q option is intentionally left out */ 1513 if (make_backups) 1514 argstr[x++] = 'b'; 1515 if (update_only) 1516 argstr[x++] = 'u'; 1517 if (!do_xfers) /* Note: NOT "dry_run"! */ 1518 argstr[x++] = 'n'; 1519 if (preserve_links) 1520 argstr[x++] = 'l'; 1521 if (xfer_dirs > (recurse || !delete_mode || !am_sender ? 1 : 0)) 1522 argstr[x++] = 'd'; 1523 if (am_sender) { 1524 if (keep_dirlinks) 1525 argstr[x++] = 'K'; 1526 if (prune_empty_dirs) 1527 argstr[x++] = 'm'; 1528 if (omit_dir_times == 2) 1529 argstr[x++] = 'O'; 1530 } else { 1531 if (copy_links) 1532 argstr[x++] = 'L'; 1533 if (copy_dirlinks) 1534 argstr[x++] = 'k'; 1535 } 1536 1537 if (whole_file > 0) 1538 argstr[x++] = 'W'; 1539 /* We don't need to send --no-whole-file, because it's the 1540 * default for remote transfers, and in any case old versions 1541 * of rsync will not understand it. */ 1542 1543 if (preserve_hard_links) 1544 argstr[x++] = 'H'; 1545 if (preserve_uid) 1546 argstr[x++] = 'o'; 1547 if (preserve_gid) 1548 argstr[x++] = 'g'; 1549 if (preserve_devices) /* ignore preserve_specials here */ 1550 argstr[x++] = 'D'; 1551 if (preserve_times) 1552 argstr[x++] = 't'; 1553 if (preserve_perms) 1554 argstr[x++] = 'p'; 1555 else if (preserve_executability && am_sender) 1556#ifdef EA_SUPPORT 1557 args[ac++] = "--executability"; 1558#else 1559 argstr[x++] = 'E'; 1560#endif 1561 if (recurse) 1562 argstr[x++] = 'r'; 1563 if (always_checksum) 1564 argstr[x++] = 'c'; 1565 if (cvs_exclude) 1566 argstr[x++] = 'C'; 1567 if (ignore_times) 1568 argstr[x++] = 'I'; 1569 if (relative_paths) 1570 argstr[x++] = 'R'; 1571 if (one_file_system) { 1572 argstr[x++] = 'x'; 1573 if (one_file_system > 1) 1574 argstr[x++] = 'x'; 1575 } 1576 if (sparse_files) 1577 argstr[x++] = 'S'; 1578 if (do_compression) 1579 argstr[x++] = 'z'; 1580#ifdef EA_SUPPORT 1581 if (extended_attributes) 1582 args[ac++] = "--extended-attributes"; /* avoid -E in vanilla rsync */ 1583#endif 1584 1585 if (!no_cache) 1586 args[ac++] = "--cache"; 1587 1588 /* This is a complete hack - blame Rusty. FIXME! 1589 * This hack is only needed for older rsync versions that 1590 * don't understand the --list-only option. */ 1591 if (list_only == 1 && !recurse) 1592 argstr[x++] = 'r'; 1593 1594 argstr[x] = '\0'; 1595 1596 if (x != 1) 1597 args[ac++] = argstr; 1598 1599 if (list_only > 1) 1600 args[ac++] = "--list-only"; 1601 1602 /* This makes sure that the remote rsync can handle deleting with -d 1603 * sans -r because the --no-r option was added at the same time. */ 1604 if (xfer_dirs && !recurse && delete_mode && am_sender) 1605 args[ac++] = "--no-r"; 1606 1607 if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) { 1608 if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0) 1609 goto oom; 1610 args[ac++] = arg; 1611 } 1612 1613 if (preserve_devices) { 1614 /* Note: sending "--devices" would not be backward-compatible. */ 1615 if (!preserve_specials) 1616 args[ac++] = "--no-specials"; /* -D is already set. */ 1617 } else if (preserve_specials) 1618 args[ac++] = "--specials"; 1619 1620 /* The server side doesn't use our log-format, but in certain 1621 * circumstances they need to know a little about the option. */ 1622 if (stdout_format && am_sender) { 1623 /* Use --log-format, not --out-format, for compatibility. */ 1624 if (stdout_format_has_i > 1) 1625 args[ac++] = "--log-format=%i%I"; 1626 else if (stdout_format_has_i) 1627 args[ac++] = "--log-format=%i"; 1628 else if (stdout_format_has_o_or_i) 1629 args[ac++] = "--log-format=%o"; 1630 else if (!verbose) 1631 args[ac++] = "--log-format=X"; 1632 } 1633 1634 if (block_size) { 1635 if (asprintf(&arg, "-B%lu", block_size) < 0) 1636 goto oom; 1637 args[ac++] = arg; 1638 } 1639 1640 if (max_delete && am_sender) { 1641 if (asprintf(&arg, "--max-delete=%d", max_delete) < 0) 1642 goto oom; 1643 args[ac++] = arg; 1644 } 1645 1646 if (min_size && am_sender) { 1647 args[ac++] = "--min-size"; 1648 args[ac++] = min_size_arg; 1649 } 1650 1651 if (max_size && am_sender) { 1652 args[ac++] = "--max-size"; 1653 args[ac++] = max_size_arg; 1654 } 1655 1656 if (io_timeout) { 1657 if (asprintf(&arg, "--timeout=%d", io_timeout) < 0) 1658 goto oom; 1659 args[ac++] = arg; 1660 } 1661 1662 if (bwlimit) { 1663 if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0) 1664 goto oom; 1665 args[ac++] = arg; 1666 } 1667 1668 if (backup_dir) { 1669 args[ac++] = "--backup-dir"; 1670 args[ac++] = backup_dir; 1671 } 1672 1673 /* Only send --suffix if it specifies a non-default value. */ 1674 if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) { 1675 /* We use the following syntax to avoid weirdness with '~'. */ 1676 if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0) 1677 goto oom; 1678 args[ac++] = arg; 1679 } 1680 1681 if (am_sender) { 1682 if (delete_excluded) 1683 args[ac++] = "--delete-excluded"; 1684 else if (delete_before == 1 || delete_after) 1685 args[ac++] = "--delete"; 1686 if (delete_before > 1) 1687 args[ac++] = "--delete-before"; 1688 if (delete_during) 1689 args[ac++] = "--delete-during"; 1690 if (delete_after) 1691 args[ac++] = "--delete-after"; 1692 if (force_delete) 1693 args[ac++] = "--force"; 1694 if (write_batch < 0) 1695 args[ac++] = "--only-write-batch=X"; 1696 if (am_root > 1) 1697 args[ac++] = "--super"; 1698 if (size_only) 1699 args[ac++] = "--size-only"; 1700 } 1701 1702 if (modify_window_set) { 1703 if (asprintf(&arg, "--modify-window=%d", modify_window) < 0) 1704 goto oom; 1705 args[ac++] = arg; 1706 } 1707 1708 if (checksum_seed) { 1709 if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0) 1710 goto oom; 1711 args[ac++] = arg; 1712 } 1713 1714 if (partial_dir && am_sender) { 1715 if (partial_dir != tmp_partialdir) { 1716 args[ac++] = "--partial-dir"; 1717 args[ac++] = partial_dir; 1718 } 1719 if (delay_updates) 1720 args[ac++] = "--delay-updates"; 1721 } else if (keep_partial && am_sender) 1722 args[ac++] = "--partial"; 1723 1724 if (ignore_errors) 1725 args[ac++] = "--ignore-errors"; 1726 1727 if (copy_unsafe_links) 1728 args[ac++] = "--copy-unsafe-links"; 1729 1730 if (safe_symlinks) 1731 args[ac++] = "--safe-links"; 1732 1733 if (numeric_ids) 1734 args[ac++] = "--numeric-ids"; 1735 1736 if (ignore_existing && am_sender) 1737 args[ac++] = "--ignore-existing"; 1738 1739 /* Backward compatibility: send --existing, not --ignore-non-existing. */ 1740 if (ignore_non_existing && am_sender) 1741 args[ac++] = "--existing"; 1742 1743 if (append_mode) 1744 args[ac++] = "--append"; 1745 else if (inplace) 1746 args[ac++] = "--inplace"; 1747 1748 if (tmpdir && am_sender) { 1749 args[ac++] = "--temp-dir"; 1750 args[ac++] = tmpdir; 1751 } 1752 1753 if (basis_dir[0] && am_sender) { 1754 /* the server only needs this option if it is not the sender, 1755 * and it may be an older version that doesn't know this 1756 * option, so don't send it if client is the sender. 1757 */ 1758 int i; 1759 for (i = 0; i < basis_dir_cnt; i++) { 1760 args[ac++] = dest_option; 1761 args[ac++] = basis_dir[i]; 1762 } 1763 } 1764 1765 if (files_from && (!am_sender || filesfrom_host)) { 1766 if (filesfrom_host) { 1767 args[ac++] = "--files-from"; 1768 args[ac++] = files_from; 1769 if (eol_nulls) 1770 args[ac++] = "--from0"; 1771 } else { 1772 args[ac++] = "--files-from=-"; 1773 args[ac++] = "--from0"; 1774 } 1775 if (!relative_paths) 1776 args[ac++] = "--no-relative"; 1777 } 1778 if (relative_paths && !implied_dirs && !am_sender) 1779 args[ac++] = "--no-implied-dirs"; 1780 1781 if (fuzzy_basis && am_sender) 1782 args[ac++] = "--fuzzy"; 1783 1784 if (remove_source_files == 1) 1785 args[ac++] = "--remove-source-files"; 1786 else if (remove_source_files) 1787 args[ac++] = "--remove-sent-files"; 1788 1789 *argc = ac; 1790 return; 1791 1792 oom: 1793 out_of_memory("server_options"); 1794} 1795 1796/* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or 1797 * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated 1798 * memory with the HOST. If a daemon-accessing spec was specified, the value 1799 * of *port_ptr will contain a non-0 port number, otherwise it will be set to 1800 * 0. The return value is a pointer to the PATH. Note that the HOST spec can 1801 * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or 1802 * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */ 1803char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr) 1804{ 1805 char *p; 1806 int not_host; 1807 int hostlen; 1808 1809 if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) { 1810 char *path; 1811 s += strlen(URL_PREFIX); 1812 if ((p = strchr(s, '/')) != NULL) { 1813 hostlen = p - s; 1814 path = p + 1; 1815 } else { 1816 hostlen = strlen(s); 1817 path = ""; 1818 } 1819 if (*s == '[' && (p = strchr(s, ']')) != NULL) { 1820 s++; 1821 hostlen = p - s; 1822 if (p[1] == ':') 1823 *port_ptr = atoi(p+2); 1824 } else { 1825 if ((p = strchr(s, ':')) != NULL) { 1826 hostlen = p - s; 1827 *port_ptr = atoi(p+1); 1828 } 1829 } 1830 if (!*port_ptr) 1831 *port_ptr = RSYNC_PORT; 1832 *host_ptr = new_array(char, hostlen + 1); 1833 strlcpy(*host_ptr, s, hostlen + 1); 1834 return path; 1835 } 1836 1837 if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') { 1838 s++; 1839 hostlen = p - s; 1840 *p = '\0'; 1841 not_host = strchr(s, '/') || !strchr(s, ':'); 1842 *p = ']'; 1843 if (not_host) 1844 return NULL; 1845 p++; 1846 } else { 1847 if (!(p = strchr(s, ':'))) 1848 return NULL; 1849 hostlen = p - s; 1850 *p = '\0'; 1851 not_host = strchr(s, '/') != NULL; 1852 *p = ':'; 1853 if (not_host) 1854 return NULL; 1855 } 1856 1857 *host_ptr = new_array(char, hostlen + 1); 1858 strlcpy(*host_ptr, s, hostlen + 1); 1859 1860 if (p[1] == ':') { 1861 if (port_ptr && !*port_ptr) 1862 *port_ptr = RSYNC_PORT; 1863 return p + 2; 1864 } 1865 if (port_ptr) 1866 *port_ptr = 0; 1867 1868 return p + 1; 1869} 1870