| 1 | /* -*- c-file-style: "linux" -*- |
| 2 | * |
| 3 | * Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org> |
| 4 | * Copyright (C) 2000, 2001, 2002 by Martin Pool <mbp@samba.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #include "rsync.h" |
| 22 | #include <popt.h> |
| 23 | #include "zlib/zlib.h" |
| 24 | |
| 25 | extern int module_id; |
| 26 | extern int sanitize_paths; |
| 27 | extern struct filter_list_struct filter_list; |
| 28 | extern struct filter_list_struct server_filter_list; |
| 29 | |
| 30 | int make_backups = 0; |
| 31 | |
| 32 | /** |
| 33 | * If 1, send the whole file as literal data rather than trying to |
| 34 | * create an incremental diff. |
| 35 | * |
| 36 | * If -1, then look at whether we're local or remote and go by that. |
| 37 | * |
| 38 | * @sa disable_deltas_p() |
| 39 | **/ |
| 40 | int whole_file = -1; |
| 41 | |
| 42 | int append_mode = 0; |
| 43 | int keep_dirlinks = 0; |
| 44 | int copy_links = 0; |
| 45 | int preserve_links = 0; |
| 46 | int preserve_hard_links = 0; |
| 47 | int preserve_perms = 0; |
| 48 | int preserve_executability = 0; |
| 49 | int preserve_devices = 0; |
| 50 | int preserve_specials = 0; |
| 51 | int preserve_uid = 0; |
| 52 | int preserve_gid = 0; |
| 53 | int preserve_times = 0; |
| 54 | int omit_dir_times = 0; |
| 55 | int update_only = 0; |
| 56 | int cvs_exclude = 0; |
| 57 | int dry_run = 0; |
| 58 | int do_xfers = 1; |
| 59 | int ignore_times = 0; |
| 60 | int saw_delete_opt = 0; |
| 61 | int saw_delete_excluded_opt = 0; |
| 62 | int delete_mode = 0; |
| 63 | int delete_during = 0; |
| 64 | int delete_before = 0; |
| 65 | int delete_after = 0; |
| 66 | int delete_excluded = 0; |
| 67 | int remove_sent_files = 0; |
| 68 | int one_file_system = 0; |
| 69 | int protocol_version = PROTOCOL_VERSION; |
| 70 | int sparse_files = 0; |
| 71 | int do_compression = 0; |
| 72 | int def_compress_level = Z_DEFAULT_COMPRESSION; |
| 73 | int am_root = 0; |
| 74 | int am_server = 0; |
| 75 | int am_sender = 0; |
| 76 | int am_generator = 0; |
| 77 | int am_starting_up = 1; |
| 78 | int orig_umask = 0; |
| 79 | int relative_paths = -1; |
| 80 | int implied_dirs = 1; |
| 81 | int numeric_ids = 0; |
| 82 | int force_delete = 0; |
| 83 | int io_timeout = 0; |
| 84 | int allowed_lull = 0; |
| 85 | int prune_empty_dirs = 0; |
| 86 | char *files_from = NULL; |
| 87 | int filesfrom_fd = -1; |
| 88 | char *filesfrom_host = NULL; |
| 89 | int eol_nulls = 0; |
| 90 | int human_readable = 0; |
| 91 | int recurse = 0; |
| 92 | int xfer_dirs = -1; |
| 93 | int am_daemon = 0; |
| 94 | int daemon_over_rsh = 0; |
| 95 | int do_stats = 0; |
| 96 | int do_progress = 0; |
| 97 | int keep_partial = 0; |
| 98 | int safe_symlinks = 0; |
| 99 | int copy_unsafe_links = 0; |
| 100 | int size_only = 0; |
| 101 | int daemon_bwlimit = 0; |
| 102 | int bwlimit = 0; |
| 103 | int fuzzy_basis = 0; |
| 104 | size_t bwlimit_writemax = 0; |
| 105 | int ignore_existing = 0; |
| 106 | int ignore_non_existing = 0; |
| 107 | int need_messages_from_generator = 0; |
| 108 | int max_delete = 0; |
| 109 | OFF_T max_size = 0; |
| 110 | OFF_T min_size = 0; |
| 111 | int ignore_errors = 0; |
| 112 | int modify_window = 0; |
| 113 | int blocking_io = -1; |
| 114 | int checksum_seed = 0; |
| 115 | int inplace = 0; |
| 116 | int delay_updates = 0; |
| 117 | long block_size = 0; /* "long" because popt can't set an int32. */ |
| 118 | |
| 119 | |
| 120 | /** Network address family. **/ |
| 121 | #ifdef INET6 |
| 122 | int default_af_hint = 0; /* Any protocol */ |
| 123 | #else |
| 124 | int default_af_hint = AF_INET; /* Must use IPv4 */ |
| 125 | #endif |
| 126 | |
| 127 | /** Do not go into the background when run as --daemon. Good |
| 128 | * for debugging and required for running as a service on W32, |
| 129 | * or under Unix process-monitors. **/ |
| 130 | int no_detach |
| 131 | #if defined _WIN32 || defined __WIN32__ |
| 132 | = 1; |
| 133 | #else |
| 134 | = 0; |
| 135 | #endif |
| 136 | |
| 137 | int write_batch = 0; |
| 138 | int read_batch = 0; |
| 139 | int backup_dir_len = 0; |
| 140 | int backup_suffix_len; |
| 141 | unsigned int backup_dir_remainder; |
| 142 | |
| 143 | char *backup_suffix = NULL; |
| 144 | char *tmpdir = NULL; |
| 145 | char *partial_dir = NULL; |
| 146 | char *basis_dir[MAX_BASIS_DIRS+1]; |
| 147 | char *config_file = NULL; |
| 148 | char *shell_cmd = NULL; |
| 149 | char *log_format = NULL; |
| 150 | char *password_file = NULL; |
| 151 | char *rsync_path = RSYNC_PATH; |
| 152 | char *backup_dir = NULL; |
| 153 | char backup_dir_buf[MAXPATHLEN]; |
| 154 | char *sockopts = NULL; |
| 155 | int rsync_port = 0; |
| 156 | int compare_dest = 0; |
| 157 | int copy_dest = 0; |
| 158 | int link_dest = 0; |
| 159 | int basis_dir_cnt = 0; |
| 160 | char *dest_option = NULL; |
| 161 | |
| 162 | int verbose = 0; |
| 163 | int quiet = 0; |
| 164 | int log_before_transfer = 0; |
| 165 | int log_format_has_i = 0; |
| 166 | int log_format_has_o_or_i = 0; |
| 167 | int always_checksum = 0; |
| 168 | int list_only = 0; |
| 169 | |
| 170 | #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */ |
| 171 | char *batch_name = NULL; |
| 172 | |
| 173 | struct chmod_mode_struct *chmod_modes = NULL; |
| 174 | |
| 175 | static int daemon_opt; /* sets am_daemon after option error-reporting */ |
| 176 | static int F_option_cnt = 0; |
| 177 | static int modify_window_set; |
| 178 | static int itemize_changes = 0; |
| 179 | static int refused_delete, refused_archive_part, refused_compress; |
| 180 | static int refused_partial, refused_progress, refused_delete_before; |
| 181 | static int refused_inplace; |
| 182 | static char *max_size_arg, *min_size_arg; |
| 183 | static char tmp_partialdir[] = ".~tmp~"; |
| 184 | |
| 185 | /** Local address to bind. As a character string because it's |
| 186 | * interpreted by the IPv6 layer: should be a numeric IP4 or IP6 |
| 187 | * address, or a hostname. **/ |
| 188 | char *bind_address; |
| 189 | |
| 190 | |
| 191 | static void print_rsync_version(enum logcode f) |
| 192 | { |
| 193 | char const *got_socketpair = "no "; |
| 194 | char const *have_inplace = "no "; |
| 195 | char const *hardlinks = "no "; |
| 196 | char const *links = "no "; |
| 197 | char const *ipv6 = "no "; |
| 198 | STRUCT_STAT *dumstat; |
| 199 | |
| 200 | #ifdef HAVE_SOCKETPAIR |
| 201 | got_socketpair = ""; |
| 202 | #endif |
| 203 | |
| 204 | #ifdef HAVE_FTRUNCATE |
| 205 | have_inplace = ""; |
| 206 | #endif |
| 207 | |
| 208 | #ifdef SUPPORT_HARD_LINKS |
| 209 | hardlinks = ""; |
| 210 | #endif |
| 211 | |
| 212 | #ifdef SUPPORT_LINKS |
| 213 | links = ""; |
| 214 | #endif |
| 215 | |
| 216 | #ifdef INET6 |
| 217 | ipv6 = ""; |
| 218 | #endif |
| 219 | |
| 220 | rprintf(f, "%s version %s protocol version %d\n", |
| 221 | RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION); |
| 222 | rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n"); |
| 223 | rprintf(f, "<http://rsync.samba.org/>\n"); |
| 224 | rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, " |
| 225 | "%shard links, %ssymlinks, batchfiles, \n", |
| 226 | (int) (sizeof (OFF_T) * 8), |
| 227 | got_socketpair, hardlinks, links); |
| 228 | |
| 229 | /* Note that this field may not have type ino_t. It depends |
| 230 | * on the complicated interaction between largefile feature |
| 231 | * macros. */ |
| 232 | rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n", |
| 233 | have_inplace, ipv6, |
| 234 | (int) (sizeof dumstat->st_ino * 8), |
| 235 | (int) (sizeof (int64) * 8)); |
| 236 | #ifdef MAINTAINER_MODE |
| 237 | rprintf(f, " panic action: \"%s\"\n", |
| 238 | get_panic_action()); |
| 239 | #endif |
| 240 | |
| 241 | #if SIZEOF_INT64 < 8 |
| 242 | rprintf(f, "WARNING: no 64-bit integers on this platform!\n"); |
| 243 | #endif |
| 244 | if (sizeof (int64) != SIZEOF_INT64) { |
| 245 | rprintf(f, |
| 246 | "WARNING: size mismatch in SIZEOF_INT64 define (%d != %d)\n", |
| 247 | (int) SIZEOF_INT64, (int) sizeof (int64)); |
| 248 | } |
| 249 | |
| 250 | rprintf(f,"\nrsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"); |
| 251 | rprintf(f,"are welcome to redistribute it under certain conditions. See the GNU\n"); |
| 252 | rprintf(f,"General Public Licence for details.\n"); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | void usage(enum logcode F) |
| 257 | { |
| 258 | print_rsync_version(F); |
| 259 | |
| 260 | rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\n"); |
| 261 | rprintf(F,"via a fast differencing algorithm.\n"); |
| 262 | |
| 263 | rprintf(F,"\nUsage: rsync [OPTION]... SRC [SRC]... DEST\n"); |
| 264 | rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n"); |
| 265 | rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n"); |
| 266 | rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n"); |
| 267 | rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC [DEST]\n"); |
| 268 | rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n"); |
| 269 | rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n"); |
| 270 | rprintf(F,"The ':' usages connect via remote shell, while '::' & 'rsync://' usages connect\n"); |
| 271 | rprintf(F,"to an rsync daemon, and require SRC or DEST to start with a module name.\n"); |
| 272 | rprintf(F,"\nOptions\n"); |
| 273 | rprintf(F," -v, --verbose increase verbosity\n"); |
| 274 | rprintf(F," -q, --quiet suppress non-error messages\n"); |
| 275 | rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n"); |
| 276 | rprintf(F," -a, --archive archive mode; same as -rlptgoD (no -H)\n"); |
| 277 | rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n"); |
| 278 | rprintf(F," -r, --recursive recurse into directories\n"); |
| 279 | rprintf(F," -R, --relative use relative path names\n"); |
| 280 | rprintf(F," --no-implied-dirs don't send implied dirs with --relative\n"); |
| 281 | rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n"); |
| 282 | rprintf(F," --backup-dir=DIR make backups into hierarchy based in DIR\n"); |
| 283 | rprintf(F," --suffix=SUFFIX set backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX); |
| 284 | rprintf(F," -u, --update skip files that are newer on the receiver\n"); |
| 285 | rprintf(F," --inplace update destination files in-place (SEE MAN PAGE)\n"); |
| 286 | rprintf(F," --append append data onto shorter files\n"); |
| 287 | rprintf(F," -d, --dirs transfer directories without recursing\n"); |
| 288 | rprintf(F," -l, --links copy symlinks as symlinks\n"); |
| 289 | rprintf(F," -L, --copy-links transform symlink into referent file/dir\n"); |
| 290 | rprintf(F," --copy-unsafe-links only \"unsafe\" symlinks are transformed\n"); |
| 291 | rprintf(F," --safe-links ignore symlinks that point outside the source tree\n"); |
| 292 | rprintf(F," -H, --hard-links preserve hard links\n"); |
| 293 | rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n"); |
| 294 | rprintf(F," -p, --perms preserve permissions\n"); |
| 295 | rprintf(F," -E, --executability preserve the file's executability\n"); |
| 296 | rprintf(F," --chmod=CHMOD change destination permissions\n"); |
| 297 | rprintf(F," -o, --owner preserve owner (super-user only)\n"); |
| 298 | rprintf(F," -g, --group preserve group\n"); |
| 299 | rprintf(F," --devices preserve device files (super-user only)\n"); |
| 300 | rprintf(F," --specials preserve special files\n"); |
| 301 | rprintf(F," -D same as --devices --specials\n"); |
| 302 | rprintf(F," -t, --times preserve times\n"); |
| 303 | rprintf(F," -O, --omit-dir-times omit directories when preserving times\n"); |
| 304 | rprintf(F," --super receiver attempts super-user activities\n"); |
| 305 | rprintf(F," -S, --sparse handle sparse files efficiently\n"); |
| 306 | rprintf(F," -n, --dry-run show what would have been transferred\n"); |
| 307 | rprintf(F," -W, --whole-file copy files whole (without rsync algorithm)\n"); |
| 308 | rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n"); |
| 309 | rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n"); |
| 310 | rprintf(F," -e, --rsh=COMMAND specify the remote shell to use\n"); |
| 311 | rprintf(F," --rsync-path=PROGRAM specify the rsync to run on the remote machine\n"); |
| 312 | rprintf(F," --existing ignore non-existing files on receiving side\n"); |
| 313 | rprintf(F," --ignore-existing ignore files that already exist on receiving side\n"); |
| 314 | rprintf(F," --remove-sent-files sent files/symlinks are removed from sending side\n"); |
| 315 | rprintf(F," --del an alias for --delete-during\n"); |
| 316 | rprintf(F," --delete delete files that don't exist on the sending side\n"); |
| 317 | rprintf(F," --delete-before receiver deletes before transfer (default)\n"); |
| 318 | rprintf(F," --delete-during receiver deletes during transfer, not before\n"); |
| 319 | rprintf(F," --delete-after receiver deletes after transfer, not before\n"); |
| 320 | rprintf(F," --delete-excluded also delete excluded files on the receiving side\n"); |
| 321 | rprintf(F," --ignore-errors delete even if there are I/O errors\n"); |
| 322 | rprintf(F," --force force deletion of directories even if not empty\n"); |
| 323 | rprintf(F," --max-delete=NUM don't delete more than NUM files\n"); |
| 324 | rprintf(F," --max-size=SIZE don't transfer any file larger than SIZE\n"); |
| 325 | rprintf(F," --min-size=SIZE don't transfer any file smaller than SIZE\n"); |
| 326 | rprintf(F," --partial keep partially transferred files\n"); |
| 327 | rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n"); |
| 328 | rprintf(F," --delay-updates put all updated files into place at transfer's end\n"); |
| 329 | rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n"); |
| 330 | rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n"); |
| 331 | rprintf(F," --timeout=TIME set I/O timeout in seconds\n"); |
| 332 | rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n"); |
| 333 | rprintf(F," --size-only skip files that match in size\n"); |
| 334 | rprintf(F," --modify-window=NUM compare mod-times with reduced accuracy\n"); |
| 335 | rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n"); |
| 336 | rprintf(F," -y, --fuzzy find similar file for basis if no dest file\n"); |
| 337 | rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n"); |
| 338 | rprintf(F," --copy-dest=DIR ... and include copies of unchanged files\n"); |
| 339 | rprintf(F," --link-dest=DIR hardlink to files in DIR when unchanged\n"); |
| 340 | rprintf(F," -z, --compress compress file data during the transfer\n"); |
| 341 | rprintf(F," --compress-level=NUM explicitly set compression level\n"); |
| 342 | rprintf(F," -C, --cvs-exclude auto-ignore files the same way CVS does\n"); |
| 343 | rprintf(F," -f, --filter=RULE add a file-filtering RULE\n"); |
| 344 | rprintf(F," -F same as --filter='dir-merge /.rsync-filter'\n"); |
| 345 | rprintf(F," repeated: --filter='- .rsync-filter'\n"); |
| 346 | rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n"); |
| 347 | rprintf(F," --exclude-from=FILE read exclude patterns from FILE\n"); |
| 348 | rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n"); |
| 349 | rprintf(F," --include-from=FILE read include patterns from FILE\n"); |
| 350 | rprintf(F," --files-from=FILE read list of source-file names from FILE\n"); |
| 351 | rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n"); |
| 352 | rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n"); |
| 353 | rprintf(F," --port=PORT specify double-colon alternate port number\n"); |
| 354 | rprintf(F," --sockopts=OPTIONS specify custom TCP options\n"); |
| 355 | rprintf(F," --blocking-io use blocking I/O for the remote shell\n"); |
| 356 | rprintf(F," --stats give some file-transfer stats\n"); |
| 357 | rprintf(F," -h, --human-readable output numbers in a human-readable format\n"); |
| 358 | rprintf(F," --si like human-readable, but use powers of 1000\n"); |
| 359 | rprintf(F," --progress show progress during transfer\n"); |
| 360 | rprintf(F," -P same as --partial --progress\n"); |
| 361 | rprintf(F," -i, --itemize-changes output a change-summary for all updates\n"); |
| 362 | rprintf(F," --log-format=FORMAT output filenames using the specified format\n"); |
| 363 | rprintf(F," --password-file=FILE read password from FILE\n"); |
| 364 | rprintf(F," --list-only list the files instead of copying them\n"); |
| 365 | rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n"); |
| 366 | rprintf(F," --write-batch=FILE write a batched update to FILE\n"); |
| 367 | rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n"); |
| 368 | rprintf(F," --read-batch=FILE read a batched update from FILE\n"); |
| 369 | rprintf(F," --protocol=NUM force an older protocol version to be used\n"); |
| 370 | #ifdef INET6 |
| 371 | rprintf(F," -4, --ipv4 prefer IPv4\n"); |
| 372 | rprintf(F," -6, --ipv6 prefer IPv6\n"); |
| 373 | #endif |
| 374 | rprintf(F," --version print version number\n"); |
| 375 | rprintf(F," --help show this help screen\n"); |
| 376 | |
| 377 | rprintf(F,"\nUse \"rsync --daemon --help\" to see the daemon-mode command-line options.\n"); |
| 378 | rprintf(F,"Please see the rsync(1) and rsyncd.conf(5) man pages for full documentation.\n"); |
| 379 | rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n"); |
| 380 | } |
| 381 | |
| 382 | enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM, |
| 383 | OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP, |
| 384 | OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD, |
| 385 | OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE, |
| 386 | OPT_NO_D, |
| 387 | OPT_SERVER, OPT_REFUSED_BASE = 9000}; |
| 388 | |
| 389 | static struct poptOption long_options[] = { |
| 390 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 391 | {"help", 0, POPT_ARG_NONE, 0, OPT_HELP, 0, 0 }, |
| 392 | {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0}, |
| 393 | {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 }, |
| 394 | {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, |
| 395 | {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, |
| 396 | {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 }, |
| 397 | {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 }, |
| 398 | {"human-readable", 'h', POPT_ARG_VAL, &human_readable, 1, 0, 0}, |
| 399 | {"si", 0, POPT_ARG_VAL, &human_readable, 2, 0, 0}, |
| 400 | {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 }, |
| 401 | {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 }, |
| 402 | {"recursive", 'r', POPT_ARG_VAL, &recurse, 2, 0, 0 }, |
| 403 | {"no-recursive", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 }, |
| 404 | {"no-r", 0, POPT_ARG_VAL, &recurse, 0, 0, 0 }, |
| 405 | {"dirs", 'd', POPT_ARG_VAL, &xfer_dirs, 2, 0, 0 }, |
| 406 | {"no-dirs", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 }, |
| 407 | {"no-d", 0, POPT_ARG_VAL, &xfer_dirs, 0, 0, 0 }, |
| 408 | {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 }, |
| 409 | {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 }, |
| 410 | {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 }, |
| 411 | {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 }, |
| 412 | {"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 }, |
| 413 | {"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 }, |
| 414 | {"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 }, |
| 415 | {"omit-dir-times", 'O', POPT_ARG_VAL, &omit_dir_times, 2, 0, 0 }, |
| 416 | {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 }, |
| 417 | {"super", 0, POPT_ARG_VAL, &am_root, 2, 0, 0 }, |
| 418 | {"no-super", 0, POPT_ARG_VAL, &am_root, 0, 0, 0 }, |
| 419 | {"owner", 'o', POPT_ARG_VAL, &preserve_uid, 1, 0, 0 }, |
| 420 | {"no-owner", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 }, |
| 421 | {"no-o", 0, POPT_ARG_VAL, &preserve_uid, 0, 0, 0 }, |
| 422 | {"group", 'g', POPT_ARG_VAL, &preserve_gid, 1, 0, 0 }, |
| 423 | {"no-group", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 }, |
| 424 | {"no-g", 0, POPT_ARG_VAL, &preserve_gid, 0, 0, 0 }, |
| 425 | {0, 'D', POPT_ARG_NONE, 0, 'D', 0, 0 }, |
| 426 | {"no-D", 0, POPT_ARG_NONE, 0, OPT_NO_D, 0, 0 }, |
| 427 | {"devices", 0, POPT_ARG_VAL, &preserve_devices, 1, 0, 0 }, |
| 428 | {"no-devices", 0, POPT_ARG_VAL, &preserve_devices, 0, 0, 0 }, |
| 429 | {"specials", 0, POPT_ARG_VAL, &preserve_specials, 1, 0, 0 }, |
| 430 | {"no-specials", 0, POPT_ARG_VAL, &preserve_specials, 0, 0, 0 }, |
| 431 | {"links", 'l', POPT_ARG_VAL, &preserve_links, 1, 0, 0 }, |
| 432 | {"no-links", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 }, |
| 433 | {"no-l", 0, POPT_ARG_VAL, &preserve_links, 0, 0, 0 }, |
| 434 | {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 }, |
| 435 | {"copy-unsafe-links",0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 }, |
| 436 | {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 }, |
| 437 | {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 }, |
| 438 | {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 }, |
| 439 | {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 }, |
| 440 | {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 }, |
| 441 | {"no-R", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 }, |
| 442 | {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 }, |
| 443 | {"chmod", 0, POPT_ARG_STRING, 0, OPT_CHMOD, 0, 0 }, |
| 444 | {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 }, |
| 445 | {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 }, |
| 446 | {"one-file-system", 'x', POPT_ARG_NONE, 0, 'x', 0, 0 }, |
| 447 | {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 }, |
| 448 | {"existing", 0, POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 }, |
| 449 | {"ignore-non-existing",0,POPT_ARG_NONE, &ignore_non_existing, 0, 0, 0 }, |
| 450 | {"ignore-existing", 0, POPT_ARG_NONE, &ignore_existing, 0, 0, 0 }, |
| 451 | {"max-size", 0, POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 }, |
| 452 | {"min-size", 0, POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 }, |
| 453 | {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 }, |
| 454 | {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 }, |
| 455 | {"append", 0, POPT_ARG_VAL, &append_mode, 1, 0, 0 }, |
| 456 | {"del", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 }, |
| 457 | {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 }, |
| 458 | {"delete-before", 0, POPT_ARG_VAL, &delete_before, 2, 0, 0 }, |
| 459 | {"delete-during", 0, POPT_ARG_NONE, &delete_during, 0, 0, 0 }, |
| 460 | {"delete-after", 0, POPT_ARG_NONE, &delete_after, 0, 0, 0 }, |
| 461 | {"delete-excluded", 0, POPT_ARG_NONE, &delete_excluded, 0, 0, 0 }, |
| 462 | {"remove-sent-files",0, POPT_ARG_NONE, &remove_sent_files, 0, 0, 0 }, |
| 463 | {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 }, |
| 464 | {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 }, |
| 465 | {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 }, |
| 466 | {0, 'F', POPT_ARG_NONE, 0, 'F', 0, 0 }, |
| 467 | {"filter", 'f', POPT_ARG_STRING, 0, OPT_FILTER, 0, 0 }, |
| 468 | {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 }, |
| 469 | {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 }, |
| 470 | {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 }, |
| 471 | {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 }, |
| 472 | {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 }, |
| 473 | {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 }, |
| 474 | {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, |
| 475 | {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, |
| 476 | {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 }, |
| 477 | {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 }, |
| 478 | {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 }, |
| 479 | {"copy-dest", 0, POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 }, |
| 480 | {"link-dest", 0, POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 }, |
| 481 | {"fuzzy", 'y', POPT_ARG_NONE, &fuzzy_basis, 0, 0, 0 }, |
| 482 | {"compress", 'z', POPT_ARG_NONE, 0, 'z', 0, 0 }, |
| 483 | {"compress-level", 0, POPT_ARG_INT, &def_compress_level, 'z', 0, 0 }, |
| 484 | {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 }, |
| 485 | {"progress", 0, POPT_ARG_VAL, &do_progress, 1, 0, 0 }, |
| 486 | {"no-progress", 0, POPT_ARG_VAL, &do_progress, 0, 0, 0 }, |
| 487 | {"partial", 0, POPT_ARG_VAL, &keep_partial, 1, 0, 0 }, |
| 488 | {"no-partial", 0, POPT_ARG_VAL, &keep_partial, 0, 0, 0 }, |
| 489 | {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 }, |
| 490 | {"delay-updates", 0, POPT_ARG_NONE, &delay_updates, 0, 0, 0 }, |
| 491 | {"prune-empty-dirs",'m', POPT_ARG_NONE, &prune_empty_dirs, 0, 0, 0 }, |
| 492 | {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 }, |
| 493 | {"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 }, |
| 494 | {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 }, |
| 495 | {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 }, |
| 496 | {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 }, |
| 497 | {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 }, |
| 498 | {"list-only", 0, POPT_ARG_VAL, &list_only, 2, 0, 0 }, |
| 499 | {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 }, |
| 500 | {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 }, |
| 501 | {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 }, |
| 502 | {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 }, |
| 503 | {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0}, |
| 504 | {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 }, |
| 505 | {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 }, |
| 506 | {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 }, |
| 507 | {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 }, |
| 508 | {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 }, |
| 509 | #ifdef INET6 |
| 510 | {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, |
| 511 | {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, |
| 512 | #endif |
| 513 | {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 }, |
| 514 | {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 }, |
| 515 | {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 }, |
| 516 | {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 }, |
| 517 | {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 }, |
| 518 | {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 }, |
| 519 | {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 }, |
| 520 | {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 }, |
| 521 | {"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 }, |
| 522 | {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 }, |
| 523 | /* All the following options switch us into daemon-mode option-parsing. */ |
| 524 | {"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 }, |
| 525 | {"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 }, |
| 526 | {"detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 }, |
| 527 | {"no-detach", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 }, |
| 528 | {0,0,0,0, 0, 0, 0} |
| 529 | }; |
| 530 | |
| 531 | static void daemon_usage(enum logcode F) |
| 532 | { |
| 533 | print_rsync_version(F); |
| 534 | |
| 535 | rprintf(F,"\nUsage: rsync --daemon [OPTION]...\n"); |
| 536 | rprintf(F," --address=ADDRESS bind to the specified address\n"); |
| 537 | rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n"); |
| 538 | rprintf(F," --config=FILE specify alternate rsyncd.conf file\n"); |
| 539 | rprintf(F," --no-detach do not detach from the parent\n"); |
| 540 | rprintf(F," --port=PORT listen on alternate port number\n"); |
| 541 | rprintf(F," --sockopts=OPTIONS specify custom TCP options\n"); |
| 542 | rprintf(F," -v, --verbose increase verbosity\n"); |
| 543 | #ifdef INET6 |
| 544 | rprintf(F," -4, --ipv4 prefer IPv4\n"); |
| 545 | rprintf(F," -6, --ipv6 prefer IPv6\n"); |
| 546 | #endif |
| 547 | rprintf(F," --help show this help screen\n"); |
| 548 | |
| 549 | rprintf(F,"\nIf you were not trying to invoke rsync as a daemon, avoid using any of the\n"); |
| 550 | rprintf(F,"daemon-specific rsync options. See also the rsyncd.conf(5) man page.\n"); |
| 551 | } |
| 552 | |
| 553 | static struct poptOption long_daemon_options[] = { |
| 554 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 555 | {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 }, |
| 556 | {"bwlimit", 0, POPT_ARG_INT, &daemon_bwlimit, 0, 0, 0 }, |
| 557 | {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 }, |
| 558 | {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 }, |
| 559 | #ifdef INET6 |
| 560 | {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, |
| 561 | {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, |
| 562 | #endif |
| 563 | {"detach", 0, POPT_ARG_VAL, &no_detach, 0, 0, 0 }, |
| 564 | {"no-detach", 0, POPT_ARG_VAL, &no_detach, 1, 0, 0 }, |
| 565 | {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 }, |
| 566 | {"sockopts", 0, POPT_ARG_STRING, &sockopts, 0, 0, 0 }, |
| 567 | {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 }, |
| 568 | {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 }, |
| 569 | {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 }, |
| 570 | {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 }, |
| 571 | {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, |
| 572 | {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 }, |
| 573 | {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 }, |
| 574 | {0,0,0,0, 0, 0, 0} |
| 575 | }; |
| 576 | |
| 577 | |
| 578 | static char err_buf[200]; |
| 579 | |
| 580 | |
| 581 | /** |
| 582 | * Store the option error message, if any, so that we can log the |
| 583 | * connection attempt (which requires parsing the options), and then |
| 584 | * show the error later on. |
| 585 | **/ |
| 586 | void option_error(void) |
| 587 | { |
| 588 | if (!err_buf[0]) { |
| 589 | strcpy(err_buf, "Error parsing options: " |
| 590 | "option may be supported on client but not on server?\n"); |
| 591 | } |
| 592 | |
| 593 | rprintf(FERROR, RSYNC_NAME ": %s", err_buf); |
| 594 | } |
| 595 | |
| 596 | |
| 597 | /** |
| 598 | * Tweak the option table to disable all options that the rsyncd.conf |
| 599 | * file has told us to refuse. |
| 600 | **/ |
| 601 | static void set_refuse_options(char *bp) |
| 602 | { |
| 603 | struct poptOption *op; |
| 604 | char *cp, shortname[2]; |
| 605 | int is_wild, found_match; |
| 606 | |
| 607 | shortname[1] = '\0'; |
| 608 | |
| 609 | while (1) { |
| 610 | while (*bp == ' ') bp++; |
| 611 | if (!*bp) |
| 612 | break; |
| 613 | if ((cp = strchr(bp, ' ')) != NULL) |
| 614 | *cp= '\0'; |
| 615 | is_wild = strpbrk(bp, "*?[") != NULL; |
| 616 | found_match = 0; |
| 617 | for (op = long_options; ; op++) { |
| 618 | *shortname = op->shortName; |
| 619 | if (!op->longName && !*shortname) |
| 620 | break; |
| 621 | if ((op->longName && wildmatch(bp, op->longName)) |
| 622 | || (*shortname && wildmatch(bp, shortname))) { |
| 623 | if (op->argInfo == POPT_ARG_VAL) |
| 624 | op->argInfo = POPT_ARG_NONE; |
| 625 | op->val = (op - long_options) + OPT_REFUSED_BASE; |
| 626 | found_match = 1; |
| 627 | /* These flags are set to let us easily check |
| 628 | * an implied option later in the code. */ |
| 629 | switch (*shortname) { |
| 630 | case 'r': case 'd': case 'l': case 'p': |
| 631 | case 't': case 'g': case 'o': case 'D': |
| 632 | refused_archive_part = op->val; |
| 633 | break; |
| 634 | case 'z': |
| 635 | refused_compress = op->val; |
| 636 | break; |
| 637 | case '\0': |
| 638 | if (wildmatch("delete", op->longName)) |
| 639 | refused_delete = op->val; |
| 640 | else if (wildmatch("delete-before", op->longName)) |
| 641 | refused_delete_before = op->val; |
| 642 | else if (wildmatch("partial", op->longName)) |
| 643 | refused_partial = op->val; |
| 644 | else if (wildmatch("progress", op->longName)) |
| 645 | refused_progress = op->val; |
| 646 | else if (wildmatch("inplace", op->longName)) |
| 647 | refused_inplace = op->val; |
| 648 | break; |
| 649 | } |
| 650 | if (!is_wild) |
| 651 | break; |
| 652 | } |
| 653 | } |
| 654 | if (!found_match) { |
| 655 | rprintf(FLOG, "No match for refuse-options string \"%s\"\n", |
| 656 | bp); |
| 657 | } |
| 658 | if (!cp) |
| 659 | break; |
| 660 | *cp = ' '; |
| 661 | bp = cp + 1; |
| 662 | } |
| 663 | |
| 664 | for (op = long_options; ; op++) { |
| 665 | *shortname = op->shortName; |
| 666 | if (!op->longName && !*shortname) |
| 667 | break; |
| 668 | if (op->val == OPT_DAEMON) { |
| 669 | if (op->argInfo == POPT_ARG_VAL) |
| 670 | op->argInfo = POPT_ARG_NONE; |
| 671 | op->val = (op - long_options) + OPT_REFUSED_BASE; |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | |
| 677 | static int count_args(const char **argv) |
| 678 | { |
| 679 | int i = 0; |
| 680 | |
| 681 | if (argv) { |
| 682 | while (argv[i] != NULL) |
| 683 | i++; |
| 684 | } |
| 685 | |
| 686 | return i; |
| 687 | } |
| 688 | |
| 689 | |
| 690 | static OFF_T parse_size_arg(char **size_arg, char def_suf) |
| 691 | { |
| 692 | int reps, mult, make_compatible = 0; |
| 693 | const char *arg; |
| 694 | OFF_T size = 1; |
| 695 | |
| 696 | for (arg = *size_arg; isdigit(*(uchar*)arg); arg++) {} |
| 697 | if (*arg == '.') |
| 698 | for (arg++; isdigit(*(uchar*)arg); arg++) {} |
| 699 | switch (*arg && *arg != '+' && *arg != '-' ? *arg++ : def_suf) { |
| 700 | case 'b': case 'B': |
| 701 | reps = 0; |
| 702 | break; |
| 703 | case 'k': case 'K': |
| 704 | reps = 1; |
| 705 | break; |
| 706 | case 'm': case 'M': |
| 707 | reps = 2; |
| 708 | break; |
| 709 | case 'g': case 'G': |
| 710 | reps = 3; |
| 711 | break; |
| 712 | default: |
| 713 | return -1; |
| 714 | } |
| 715 | if (*arg == 'b' || *arg == 'B') |
| 716 | mult = 1000, make_compatible = 1, arg++; |
| 717 | else if (!*arg || *arg == '+' || *arg == '-') |
| 718 | mult = 1024; |
| 719 | else if (strncasecmp(arg, "ib", 2) == 0) |
| 720 | mult = 1024, arg += 2; |
| 721 | else |
| 722 | return -1; |
| 723 | while (reps--) |
| 724 | size *= mult; |
| 725 | size *= atof(*size_arg); |
| 726 | if ((*arg == '+' || *arg == '-') && arg[1] == '1') |
| 727 | size += atoi(arg), make_compatible = 1, arg += 2; |
| 728 | if (*arg) |
| 729 | return -1; |
| 730 | if (size > 0 && make_compatible) { |
| 731 | /* We convert this manually because we may need %lld precision, |
| 732 | * and that's not a portable sprintf() escape. */ |
| 733 | char buf[128], *s = buf + sizeof buf - 1; |
| 734 | OFF_T num = size; |
| 735 | *s = '\0'; |
| 736 | while (num) { |
| 737 | *--s = (num % 10) + '0'; |
| 738 | num /= 10; |
| 739 | } |
| 740 | if (!(*size_arg = strdup(s))) |
| 741 | out_of_memory("parse_size_arg"); |
| 742 | } |
| 743 | return size; |
| 744 | } |
| 745 | |
| 746 | |
| 747 | static void create_refuse_error(int which) |
| 748 | { |
| 749 | /* The "which" value is the index + OPT_REFUSED_BASE. */ |
| 750 | struct poptOption *op = &long_options[which - OPT_REFUSED_BASE]; |
| 751 | int n = snprintf(err_buf, sizeof err_buf, |
| 752 | "The server is configured to refuse --%s\n", |
| 753 | op->longName) - 1; |
| 754 | if (op->shortName) { |
| 755 | snprintf(err_buf + n, sizeof err_buf - n, |
| 756 | " (-%c)\n", op->shortName); |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | |
| 761 | /** |
| 762 | * Process command line arguments. Called on both local and remote. |
| 763 | * |
| 764 | * @retval 1 if all options are OK; with globals set to appropriate |
| 765 | * values |
| 766 | * |
| 767 | * @retval 0 on error, with err_buf containing an explanation |
| 768 | **/ |
| 769 | int parse_arguments(int *argc, const char ***argv, int frommain) |
| 770 | { |
| 771 | int opt; |
| 772 | char *ref = lp_refuse_options(module_id); |
| 773 | const char *arg; |
| 774 | poptContext pc; |
| 775 | |
| 776 | if (ref && *ref) |
| 777 | set_refuse_options(ref); |
| 778 | |
| 779 | /* TODO: Call poptReadDefaultConfig; handle errors. */ |
| 780 | |
| 781 | /* The context leaks in case of an error, but if there's a |
| 782 | * problem we always exit anyhow. */ |
| 783 | pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0); |
| 784 | poptReadDefaultConfig(pc, 0); |
| 785 | |
| 786 | while ((opt = poptGetNextOpt(pc)) != -1) { |
| 787 | /* most options are handled automatically by popt; |
| 788 | * only special cases are returned and listed here. */ |
| 789 | |
| 790 | switch (opt) { |
| 791 | case OPT_VERSION: |
| 792 | print_rsync_version(FINFO); |
| 793 | exit_cleanup(0); |
| 794 | |
| 795 | case OPT_SERVER: |
| 796 | if (!am_server) { |
| 797 | /* Disable popt aliases on the server side and |
| 798 | * then start parsing the options again. */ |
| 799 | poptFreeContext(pc); |
| 800 | pc = poptGetContext(RSYNC_NAME, *argc, *argv, |
| 801 | long_options, 0); |
| 802 | am_server = 1; |
| 803 | } |
| 804 | break; |
| 805 | |
| 806 | case OPT_SENDER: |
| 807 | if (!am_server) { |
| 808 | usage(FERROR); |
| 809 | exit_cleanup(RERR_SYNTAX); |
| 810 | } |
| 811 | am_sender = 1; |
| 812 | break; |
| 813 | |
| 814 | case OPT_DAEMON: |
| 815 | if (am_daemon) { |
| 816 | strcpy(err_buf, "Attempt to hack rsync thwarted!\n"); |
| 817 | return 0; |
| 818 | } |
| 819 | poptFreeContext(pc); |
| 820 | pc = poptGetContext(RSYNC_NAME, *argc, *argv, |
| 821 | long_daemon_options, 0); |
| 822 | while ((opt = poptGetNextOpt(pc)) != -1) { |
| 823 | switch (opt) { |
| 824 | case 'h': |
| 825 | daemon_usage(FINFO); |
| 826 | exit_cleanup(0); |
| 827 | |
| 828 | case 'v': |
| 829 | verbose++; |
| 830 | break; |
| 831 | |
| 832 | default: |
| 833 | rprintf(FERROR, |
| 834 | "rsync: %s: %s (in daemon mode)\n", |
| 835 | poptBadOption(pc, POPT_BADOPTION_NOALIAS), |
| 836 | poptStrerror(opt)); |
| 837 | goto daemon_error; |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { |
| 842 | snprintf(err_buf, sizeof err_buf, |
| 843 | "the --temp-dir path is WAY too long.\n"); |
| 844 | return 0; |
| 845 | } |
| 846 | |
| 847 | if (!daemon_opt) { |
| 848 | rprintf(FERROR, "Daemon option(s) used without --daemon.\n"); |
| 849 | daemon_error: |
| 850 | rprintf(FERROR, |
| 851 | "(Type \"rsync --daemon --help\" for assistance with daemon mode.)\n"); |
| 852 | exit_cleanup(RERR_SYNTAX); |
| 853 | } |
| 854 | |
| 855 | *argv = poptGetArgs(pc); |
| 856 | *argc = count_args(*argv); |
| 857 | am_starting_up = 0; |
| 858 | daemon_opt = 0; |
| 859 | am_daemon = 1; |
| 860 | return 1; |
| 861 | |
| 862 | case OPT_MODIFY_WINDOW: |
| 863 | /* The value has already been set by popt, but |
| 864 | * we need to remember that we're using a |
| 865 | * non-default setting. */ |
| 866 | modify_window_set = 1; |
| 867 | break; |
| 868 | |
| 869 | case OPT_FILTER: |
| 870 | parse_rule(&filter_list, poptGetOptArg(pc), 0, 0); |
| 871 | break; |
| 872 | |
| 873 | case OPT_EXCLUDE: |
| 874 | parse_rule(&filter_list, poptGetOptArg(pc), |
| 875 | 0, XFLG_OLD_PREFIXES); |
| 876 | break; |
| 877 | |
| 878 | case OPT_INCLUDE: |
| 879 | parse_rule(&filter_list, poptGetOptArg(pc), |
| 880 | MATCHFLG_INCLUDE, XFLG_OLD_PREFIXES); |
| 881 | break; |
| 882 | |
| 883 | case OPT_EXCLUDE_FROM: |
| 884 | case OPT_INCLUDE_FROM: |
| 885 | arg = poptGetOptArg(pc); |
| 886 | if (sanitize_paths) |
| 887 | arg = sanitize_path(NULL, arg, NULL, 0); |
| 888 | if (server_filter_list.head) { |
| 889 | char *cp = (char *)arg; |
| 890 | if (!*cp) |
| 891 | goto options_rejected; |
| 892 | clean_fname(cp, 1); |
| 893 | if (check_filter(&server_filter_list, cp, 0) < 0) |
| 894 | goto options_rejected; |
| 895 | } |
| 896 | parse_filter_file(&filter_list, arg, |
| 897 | opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0, |
| 898 | XFLG_FATAL_ERRORS | XFLG_OLD_PREFIXES); |
| 899 | break; |
| 900 | |
| 901 | case 'a': |
| 902 | if (refused_archive_part) { |
| 903 | create_refuse_error(refused_archive_part); |
| 904 | return 0; |
| 905 | } |
| 906 | if (!recurse) /* preserve recurse == 2 */ |
| 907 | recurse = 1; |
| 908 | #ifdef SUPPORT_LINKS |
| 909 | preserve_links = 1; |
| 910 | #endif |
| 911 | preserve_perms = 1; |
| 912 | preserve_times = 1; |
| 913 | preserve_gid = 1; |
| 914 | preserve_uid = 1; |
| 915 | preserve_devices = 1; |
| 916 | preserve_specials = 1; |
| 917 | break; |
| 918 | |
| 919 | case 'D': |
| 920 | preserve_devices = preserve_specials = 1; |
| 921 | break; |
| 922 | |
| 923 | case OPT_NO_D: |
| 924 | preserve_devices = preserve_specials = 0; |
| 925 | break; |
| 926 | |
| 927 | case 'i': |
| 928 | itemize_changes++; |
| 929 | break; |
| 930 | |
| 931 | case 'v': |
| 932 | verbose++; |
| 933 | break; |
| 934 | |
| 935 | case 'q': |
| 936 | if (frommain) |
| 937 | quiet++; |
| 938 | break; |
| 939 | |
| 940 | case 'x': |
| 941 | one_file_system++; |
| 942 | break; |
| 943 | |
| 944 | case 'F': |
| 945 | switch (++F_option_cnt) { |
| 946 | case 1: |
| 947 | parse_rule(&filter_list,": /.rsync-filter",0,0); |
| 948 | break; |
| 949 | case 2: |
| 950 | parse_rule(&filter_list,"- .rsync-filter",0,0); |
| 951 | break; |
| 952 | } |
| 953 | break; |
| 954 | |
| 955 | case 'P': |
| 956 | if (refused_partial || refused_progress) { |
| 957 | create_refuse_error(refused_partial |
| 958 | ? refused_partial : refused_progress); |
| 959 | return 0; |
| 960 | } |
| 961 | do_progress = 1; |
| 962 | keep_partial = 1; |
| 963 | break; |
| 964 | |
| 965 | case 'z': |
| 966 | if (def_compress_level < Z_DEFAULT_COMPRESSION |
| 967 | || def_compress_level > Z_BEST_COMPRESSION) { |
| 968 | snprintf(err_buf, sizeof err_buf, |
| 969 | "--compress-level value is invalid: %d\n", |
| 970 | def_compress_level); |
| 971 | return 0; |
| 972 | } |
| 973 | do_compression = def_compress_level != Z_NO_COMPRESSION; |
| 974 | if (do_compression && refused_compress) { |
| 975 | create_refuse_error(refused_compress); |
| 976 | return 0; |
| 977 | } |
| 978 | break; |
| 979 | |
| 980 | case OPT_WRITE_BATCH: |
| 981 | /* batch_name is already set */ |
| 982 | write_batch = 1; |
| 983 | break; |
| 984 | |
| 985 | case OPT_ONLY_WRITE_BATCH: |
| 986 | /* batch_name is already set */ |
| 987 | write_batch = -1; |
| 988 | break; |
| 989 | |
| 990 | case OPT_READ_BATCH: |
| 991 | /* batch_name is already set */ |
| 992 | read_batch = 1; |
| 993 | break; |
| 994 | |
| 995 | case OPT_MAX_SIZE: |
| 996 | if ((max_size = parse_size_arg(&max_size_arg, 'b')) <= 0) { |
| 997 | snprintf(err_buf, sizeof err_buf, |
| 998 | "--max-size value is invalid: %s\n", |
| 999 | max_size_arg); |
| 1000 | return 0; |
| 1001 | } |
| 1002 | break; |
| 1003 | |
| 1004 | case OPT_MIN_SIZE: |
| 1005 | if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) { |
| 1006 | snprintf(err_buf, sizeof err_buf, |
| 1007 | "--min-size value is invalid: %s\n", |
| 1008 | min_size_arg); |
| 1009 | return 0; |
| 1010 | } |
| 1011 | break; |
| 1012 | |
| 1013 | case OPT_LINK_DEST: |
| 1014 | #ifdef HAVE_LINK |
| 1015 | link_dest = 1; |
| 1016 | dest_option = "--link-dest"; |
| 1017 | goto set_dest_dir; |
| 1018 | #else |
| 1019 | snprintf(err_buf, sizeof err_buf, |
| 1020 | "hard links are not supported on this %s\n", |
| 1021 | am_server ? "server" : "client"); |
| 1022 | return 0; |
| 1023 | #endif |
| 1024 | |
| 1025 | case OPT_COPY_DEST: |
| 1026 | copy_dest = 1; |
| 1027 | dest_option = "--copy-dest"; |
| 1028 | goto set_dest_dir; |
| 1029 | |
| 1030 | case OPT_COMPARE_DEST: |
| 1031 | compare_dest = 1; |
| 1032 | dest_option = "--compare-dest"; |
| 1033 | set_dest_dir: |
| 1034 | if (basis_dir_cnt >= MAX_BASIS_DIRS) { |
| 1035 | snprintf(err_buf, sizeof err_buf, |
| 1036 | "ERROR: at most %d %s args may be specified\n", |
| 1037 | MAX_BASIS_DIRS, dest_option); |
| 1038 | return 0; |
| 1039 | } |
| 1040 | arg = poptGetOptArg(pc); |
| 1041 | if (sanitize_paths) |
| 1042 | arg = sanitize_path(NULL, arg, NULL, 0); |
| 1043 | basis_dir[basis_dir_cnt++] = (char *)arg; |
| 1044 | break; |
| 1045 | |
| 1046 | case OPT_CHMOD: |
| 1047 | arg = poptGetOptArg(pc); |
| 1048 | if (!parse_chmod(arg, &chmod_modes)) { |
| 1049 | snprintf(err_buf, sizeof err_buf, |
| 1050 | "Invalid argument passed to --chmod (%s)\n", |
| 1051 | arg); |
| 1052 | return 0; |
| 1053 | } |
| 1054 | break; |
| 1055 | |
| 1056 | case OPT_HELP: |
| 1057 | usage(FINFO); |
| 1058 | exit_cleanup(0); |
| 1059 | |
| 1060 | default: |
| 1061 | /* A large opt value means that set_refuse_options() |
| 1062 | * turned this option off. */ |
| 1063 | if (opt >= OPT_REFUSED_BASE) { |
| 1064 | create_refuse_error(opt); |
| 1065 | return 0; |
| 1066 | } |
| 1067 | snprintf(err_buf, sizeof err_buf, "%s%s: %s\n", |
| 1068 | am_server ? "on remote machine: " : "", |
| 1069 | poptBadOption(pc, POPT_BADOPTION_NOALIAS), |
| 1070 | poptStrerror(opt)); |
| 1071 | return 0; |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | if (human_readable && *argc == 2) { |
| 1076 | usage(FINFO); |
| 1077 | exit_cleanup(0); |
| 1078 | } |
| 1079 | |
| 1080 | #ifndef SUPPORT_LINKS |
| 1081 | if (preserve_links && !am_sender) { |
| 1082 | snprintf(err_buf, sizeof err_buf, |
| 1083 | "symlinks are not supported on this %s\n", |
| 1084 | am_server ? "server" : "client"); |
| 1085 | return 0; |
| 1086 | } |
| 1087 | #endif |
| 1088 | |
| 1089 | #ifndef SUPPORT_HARD_LINKS |
| 1090 | if (preserve_hard_links) { |
| 1091 | snprintf(err_buf, sizeof err_buf, |
| 1092 | "hard links are not supported on this %s\n", |
| 1093 | am_server ? "server" : "client"); |
| 1094 | return 0; |
| 1095 | } |
| 1096 | #endif |
| 1097 | |
| 1098 | if (write_batch && read_batch) { |
| 1099 | snprintf(err_buf, sizeof err_buf, |
| 1100 | "--write-batch and --read-batch can not be used together\n"); |
| 1101 | return 0; |
| 1102 | } |
| 1103 | if (write_batch > 0 || read_batch) { |
| 1104 | if (am_server) { |
| 1105 | rprintf(FINFO, |
| 1106 | "ignoring --%s-batch option sent to server\n", |
| 1107 | write_batch ? "write" : "read"); |
| 1108 | /* We don't actually exit_cleanup(), so that we can |
| 1109 | * still service older version clients that still send |
| 1110 | * batch args to server. */ |
| 1111 | read_batch = write_batch = 0; |
| 1112 | batch_name = NULL; |
| 1113 | } else if (dry_run) |
| 1114 | write_batch = 0; |
| 1115 | } |
| 1116 | if (read_batch && files_from) { |
| 1117 | snprintf(err_buf, sizeof err_buf, |
| 1118 | "--read-batch cannot be used with --files-from\n"); |
| 1119 | return 0; |
| 1120 | } |
| 1121 | if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) { |
| 1122 | snprintf(err_buf, sizeof err_buf, |
| 1123 | "the batch-file name must be %d characters or less.\n", |
| 1124 | MAX_BATCH_NAME_LEN); |
| 1125 | return 0; |
| 1126 | } |
| 1127 | |
| 1128 | if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { |
| 1129 | snprintf(err_buf, sizeof err_buf, |
| 1130 | "the --temp-dir path is WAY too long.\n"); |
| 1131 | return 0; |
| 1132 | } |
| 1133 | |
| 1134 | if (compare_dest + copy_dest + link_dest > 1) { |
| 1135 | snprintf(err_buf, sizeof err_buf, |
| 1136 | "You may not mix --compare-dest, --copy-dest, and --link-dest.\n"); |
| 1137 | return 0; |
| 1138 | } |
| 1139 | |
| 1140 | if (files_from) { |
| 1141 | if (recurse == 1) /* preserve recurse == 2 */ |
| 1142 | recurse = 0; |
| 1143 | if (xfer_dirs < 0) |
| 1144 | xfer_dirs = 1; |
| 1145 | } |
| 1146 | |
| 1147 | if (xfer_dirs < 1) |
| 1148 | xfer_dirs = recurse || list_only; |
| 1149 | |
| 1150 | if (relative_paths < 0) |
| 1151 | relative_paths = files_from? 1 : 0; |
| 1152 | if (!relative_paths) |
| 1153 | implied_dirs = 0; |
| 1154 | |
| 1155 | if (!!delete_before + delete_during + delete_after > 1) { |
| 1156 | snprintf(err_buf, sizeof err_buf, |
| 1157 | "You may not combine multiple --delete-WHEN options.\n"); |
| 1158 | return 0; |
| 1159 | } |
| 1160 | if (delete_before || delete_during || delete_after) |
| 1161 | delete_mode = 1; |
| 1162 | else if (delete_mode || delete_excluded) { |
| 1163 | if (refused_delete_before) { |
| 1164 | create_refuse_error(refused_delete_before); |
| 1165 | return 0; |
| 1166 | } |
| 1167 | delete_mode = delete_before = 1; |
| 1168 | } |
| 1169 | saw_delete_opt = delete_mode; |
| 1170 | saw_delete_excluded_opt = delete_excluded; |
| 1171 | if (!xfer_dirs) { |
| 1172 | delete_before = delete_during = delete_after = 0; |
| 1173 | delete_mode = delete_excluded = 0; |
| 1174 | } |
| 1175 | |
| 1176 | if (delete_mode && refused_delete) { |
| 1177 | create_refuse_error(refused_delete); |
| 1178 | return 0; |
| 1179 | } |
| 1180 | |
| 1181 | if (remove_sent_files) { |
| 1182 | /* We only want to infer this refusal of --remove-sent-files |
| 1183 | * via the refusal of "delete", not any of the "delete-FOO" |
| 1184 | * options. */ |
| 1185 | if (refused_delete && am_sender) { |
| 1186 | create_refuse_error(refused_delete); |
| 1187 | return 0; |
| 1188 | } |
| 1189 | need_messages_from_generator = 1; |
| 1190 | } |
| 1191 | |
| 1192 | *argv = poptGetArgs(pc); |
| 1193 | *argc = count_args(*argv); |
| 1194 | |
| 1195 | if (sanitize_paths) { |
| 1196 | int i; |
| 1197 | for (i = *argc; i-- > 0; ) |
| 1198 | (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0); |
| 1199 | if (tmpdir) |
| 1200 | tmpdir = sanitize_path(NULL, tmpdir, NULL, 0); |
| 1201 | if (partial_dir) |
| 1202 | partial_dir = sanitize_path(NULL, partial_dir, NULL, 0); |
| 1203 | if (backup_dir) |
| 1204 | backup_dir = sanitize_path(NULL, backup_dir, NULL, 0); |
| 1205 | } |
| 1206 | if (server_filter_list.head && !am_sender) { |
| 1207 | struct filter_list_struct *elp = &server_filter_list; |
| 1208 | int i; |
| 1209 | if (tmpdir) { |
| 1210 | if (!*tmpdir) |
| 1211 | goto options_rejected; |
| 1212 | clean_fname(tmpdir, 1); |
| 1213 | if (check_filter(elp, tmpdir, 1) < 0) |
| 1214 | goto options_rejected; |
| 1215 | } |
| 1216 | if (partial_dir && *partial_dir) { |
| 1217 | clean_fname(partial_dir, 1); |
| 1218 | if (check_filter(elp, partial_dir, 1) < 0) |
| 1219 | goto options_rejected; |
| 1220 | } |
| 1221 | for (i = 0; i < basis_dir_cnt; i++) { |
| 1222 | if (!*basis_dir[i]) |
| 1223 | goto options_rejected; |
| 1224 | clean_fname(basis_dir[i], 1); |
| 1225 | if (check_filter(elp, basis_dir[i], 1) < 0) |
| 1226 | goto options_rejected; |
| 1227 | } |
| 1228 | if (backup_dir) { |
| 1229 | if (!*backup_dir) |
| 1230 | goto options_rejected; |
| 1231 | clean_fname(backup_dir, 1); |
| 1232 | if (check_filter(elp, backup_dir, 1) < 0) { |
| 1233 | options_rejected: |
| 1234 | snprintf(err_buf, sizeof err_buf, |
| 1235 | "Your options have been rejected by the server.\n"); |
| 1236 | return 0; |
| 1237 | } |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | if (!backup_suffix) |
| 1242 | backup_suffix = backup_dir ? "" : BACKUP_SUFFIX; |
| 1243 | backup_suffix_len = strlen(backup_suffix); |
| 1244 | if (strchr(backup_suffix, '/') != NULL) { |
| 1245 | snprintf(err_buf, sizeof err_buf, |
| 1246 | "--suffix cannot contain slashes: %s\n", |
| 1247 | backup_suffix); |
| 1248 | return 0; |
| 1249 | } |
| 1250 | if (backup_dir) { |
| 1251 | backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf); |
| 1252 | backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len; |
| 1253 | if (backup_dir_remainder < 32) { |
| 1254 | snprintf(err_buf, sizeof err_buf, |
| 1255 | "the --backup-dir path is WAY too long.\n"); |
| 1256 | return 0; |
| 1257 | } |
| 1258 | if (backup_dir_buf[backup_dir_len - 1] != '/') { |
| 1259 | backup_dir_buf[backup_dir_len++] = '/'; |
| 1260 | backup_dir_buf[backup_dir_len] = '\0'; |
| 1261 | } |
| 1262 | if (verbose > 1 && !am_sender) |
| 1263 | rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf); |
| 1264 | } else if (!backup_suffix_len && (!am_server || !am_sender)) { |
| 1265 | snprintf(err_buf, sizeof err_buf, |
| 1266 | "--suffix cannot be a null string without --backup-dir\n"); |
| 1267 | return 0; |
| 1268 | } else if (make_backups && delete_mode && !delete_excluded) { |
| 1269 | snprintf(backup_dir_buf, sizeof backup_dir_buf, |
| 1270 | "P *%s", backup_suffix); |
| 1271 | parse_rule(&filter_list, backup_dir_buf, 0, 0); |
| 1272 | } |
| 1273 | if (make_backups && !backup_dir) |
| 1274 | omit_dir_times = 1; |
| 1275 | |
| 1276 | if (log_format) { |
| 1277 | if (am_server && log_format_has(log_format, 'I')) |
| 1278 | log_format_has_i = 2; |
| 1279 | else if (log_format_has(log_format, 'i')) |
| 1280 | log_format_has_i = itemize_changes | 1; |
| 1281 | if (!log_format_has(log_format, 'b') |
| 1282 | && !log_format_has(log_format, 'c')) |
| 1283 | log_before_transfer = !am_server; |
| 1284 | } else if (itemize_changes) { |
| 1285 | log_format = "%i %n%L"; |
| 1286 | log_format_has_i = itemize_changes; |
| 1287 | log_before_transfer = !am_server; |
| 1288 | } |
| 1289 | |
| 1290 | if ((do_progress || dry_run) && !verbose && !log_before_transfer |
| 1291 | && !am_server) |
| 1292 | verbose = 1; |
| 1293 | |
| 1294 | if (dry_run) |
| 1295 | do_xfers = 0; |
| 1296 | |
| 1297 | set_io_timeout(io_timeout); |
| 1298 | |
| 1299 | if (verbose && !log_format) { |
| 1300 | log_format = "%n%L"; |
| 1301 | log_before_transfer = !am_server; |
| 1302 | } |
| 1303 | if (log_format_has_i || log_format_has(log_format, 'o')) |
| 1304 | log_format_has_o_or_i = 1; |
| 1305 | |
| 1306 | if (daemon_bwlimit && (!bwlimit || bwlimit > daemon_bwlimit)) |
| 1307 | bwlimit = daemon_bwlimit; |
| 1308 | if (bwlimit) { |
| 1309 | bwlimit_writemax = (size_t)bwlimit * 128; |
| 1310 | if (bwlimit_writemax < 512) |
| 1311 | bwlimit_writemax = 512; |
| 1312 | } |
| 1313 | |
| 1314 | if (sparse_files && inplace) { |
| 1315 | /* Note: we don't check for this below, because --append is |
| 1316 | * OK with --sparse (as long as redos are handled right). */ |
| 1317 | snprintf(err_buf, sizeof err_buf, |
| 1318 | "--sparse cannot be used with --inplace\n"); |
| 1319 | return 0; |
| 1320 | } |
| 1321 | |
| 1322 | if (append_mode) { |
| 1323 | if (whole_file > 0) { |
| 1324 | snprintf(err_buf, sizeof err_buf, |
| 1325 | "--append cannot be used with --whole-file\n"); |
| 1326 | return 0; |
| 1327 | } |
| 1328 | if (refused_inplace) { |
| 1329 | create_refuse_error(refused_inplace); |
| 1330 | return 0; |
| 1331 | } |
| 1332 | inplace = 1; |
| 1333 | } |
| 1334 | |
| 1335 | if (delay_updates && !partial_dir) |
| 1336 | partial_dir = tmp_partialdir; |
| 1337 | |
| 1338 | if (inplace) { |
| 1339 | #ifdef HAVE_FTRUNCATE |
| 1340 | if (partial_dir) { |
| 1341 | snprintf(err_buf, sizeof err_buf, |
| 1342 | "--%s cannot be used with --%s\n", |
| 1343 | append_mode ? "append" : "inplace", |
| 1344 | delay_updates ? "delay-updates" : "partial-dir"); |
| 1345 | return 0; |
| 1346 | } |
| 1347 | /* --inplace implies --partial for refusal purposes, but we |
| 1348 | * clear the keep_partial flag for internal logic purposes. */ |
| 1349 | if (refused_partial) { |
| 1350 | create_refuse_error(refused_partial); |
| 1351 | return 0; |
| 1352 | } |
| 1353 | keep_partial = 0; |
| 1354 | #else |
| 1355 | snprintf(err_buf, sizeof err_buf, |
| 1356 | "--%s is not supported on this %s\n", |
| 1357 | append_mode ? "append" : "inplace", |
| 1358 | am_server ? "server" : "client"); |
| 1359 | return 0; |
| 1360 | #endif |
| 1361 | } else { |
| 1362 | if (keep_partial && !partial_dir) { |
| 1363 | if ((arg = getenv("RSYNC_PARTIAL_DIR")) != NULL && *arg) |
| 1364 | partial_dir = strdup(arg); |
| 1365 | } |
| 1366 | if (partial_dir) { |
| 1367 | if (*partial_dir) |
| 1368 | clean_fname(partial_dir, 1); |
| 1369 | if (!*partial_dir || strcmp(partial_dir, ".") == 0) |
| 1370 | partial_dir = NULL; |
| 1371 | else if (*partial_dir != '/') { |
| 1372 | parse_rule(&filter_list, partial_dir, |
| 1373 | MATCHFLG_NO_PREFIXES|MATCHFLG_DIRECTORY, 0); |
| 1374 | } |
| 1375 | if (!partial_dir && refused_partial) { |
| 1376 | create_refuse_error(refused_partial); |
| 1377 | return 0; |
| 1378 | } |
| 1379 | keep_partial = 1; |
| 1380 | } |
| 1381 | } |
| 1382 | |
| 1383 | if (files_from) { |
| 1384 | char *h, *p; |
| 1385 | int q; |
| 1386 | if (*argc > 2 || (!am_daemon && *argc == 1)) { |
| 1387 | usage(FERROR); |
| 1388 | exit_cleanup(RERR_SYNTAX); |
| 1389 | } |
| 1390 | if (strcmp(files_from, "-") == 0) { |
| 1391 | filesfrom_fd = 0; |
| 1392 | if (am_server) |
| 1393 | filesfrom_host = ""; /* reading from socket */ |
| 1394 | } else if ((p = check_for_hostspec(files_from, &h, &q)) != 0) { |
| 1395 | if (am_server) { |
| 1396 | snprintf(err_buf, sizeof err_buf, |
| 1397 | "The --files-from sent to the server cannot specify a host.\n"); |
| 1398 | return 0; |
| 1399 | } |
| 1400 | files_from = p; |
| 1401 | filesfrom_host = h; |
| 1402 | if (strcmp(files_from, "-") == 0) { |
| 1403 | snprintf(err_buf, sizeof err_buf, |
| 1404 | "Invalid --files-from remote filename\n"); |
| 1405 | return 0; |
| 1406 | } |
| 1407 | } else { |
| 1408 | if (sanitize_paths) |
| 1409 | files_from = sanitize_path(NULL, files_from, NULL, 0); |
| 1410 | if (server_filter_list.head) { |
| 1411 | if (!*files_from) |
| 1412 | goto options_rejected; |
| 1413 | clean_fname(files_from, 1); |
| 1414 | if (check_filter(&server_filter_list, files_from, 0) < 0) |
| 1415 | goto options_rejected; |
| 1416 | } |
| 1417 | filesfrom_fd = open(files_from, O_RDONLY|O_BINARY); |
| 1418 | if (filesfrom_fd < 0) { |
| 1419 | snprintf(err_buf, sizeof err_buf, |
| 1420 | "failed to open files-from file %s: %s\n", |
| 1421 | files_from, strerror(errno)); |
| 1422 | return 0; |
| 1423 | } |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | am_starting_up = 0; |
| 1428 | |
| 1429 | return 1; |
| 1430 | } |
| 1431 | |
| 1432 | |
| 1433 | /** |
| 1434 | * Construct a filtered list of options to pass through from the |
| 1435 | * client to the server. |
| 1436 | * |
| 1437 | * This involves setting options that will tell the server how to |
| 1438 | * behave, and also filtering out options that are processed only |
| 1439 | * locally. |
| 1440 | **/ |
| 1441 | void server_options(char **args,int *argc) |
| 1442 | { |
| 1443 | static char argstr[64]; |
| 1444 | int ac = *argc; |
| 1445 | char *arg; |
| 1446 | |
| 1447 | int i, x; |
| 1448 | |
| 1449 | if (blocking_io == -1) |
| 1450 | blocking_io = 0; |
| 1451 | |
| 1452 | /* This should always remain first on the server's command-line. */ |
| 1453 | args[ac++] = "--server"; |
| 1454 | |
| 1455 | if (daemon_over_rsh) { |
| 1456 | args[ac++] = "--daemon"; |
| 1457 | *argc = ac; |
| 1458 | /* if we're passing --daemon, we're done */ |
| 1459 | return; |
| 1460 | } |
| 1461 | |
| 1462 | if (!am_sender) |
| 1463 | args[ac++] = "--sender"; |
| 1464 | |
| 1465 | x = 1; |
| 1466 | argstr[0] = '-'; |
| 1467 | for (i = 0; i < verbose; i++) |
| 1468 | argstr[x++] = 'v'; |
| 1469 | |
| 1470 | /* the -q option is intentionally left out */ |
| 1471 | if (make_backups) |
| 1472 | argstr[x++] = 'b'; |
| 1473 | if (update_only) |
| 1474 | argstr[x++] = 'u'; |
| 1475 | if (!do_xfers) /* NOT "dry_run"! */ |
| 1476 | argstr[x++] = 'n'; |
| 1477 | if (preserve_links) |
| 1478 | argstr[x++] = 'l'; |
| 1479 | if (copy_links) |
| 1480 | argstr[x++] = 'L'; |
| 1481 | if (xfer_dirs > (recurse || !delete_mode || !am_sender)) |
| 1482 | argstr[x++] = 'd'; |
| 1483 | if (am_sender) { |
| 1484 | if (keep_dirlinks) |
| 1485 | argstr[x++] = 'K'; |
| 1486 | if (prune_empty_dirs) |
| 1487 | argstr[x++] = 'm'; |
| 1488 | if (omit_dir_times == 2) |
| 1489 | argstr[x++] = 'O'; |
| 1490 | } |
| 1491 | |
| 1492 | if (whole_file > 0) |
| 1493 | argstr[x++] = 'W'; |
| 1494 | /* We don't need to send --no-whole-file, because it's the |
| 1495 | * default for remote transfers, and in any case old versions |
| 1496 | * of rsync will not understand it. */ |
| 1497 | |
| 1498 | if (preserve_hard_links) |
| 1499 | argstr[x++] = 'H'; |
| 1500 | if (preserve_uid) |
| 1501 | argstr[x++] = 'o'; |
| 1502 | if (preserve_gid) |
| 1503 | argstr[x++] = 'g'; |
| 1504 | if (preserve_devices) /* ignore preserve_specials here */ |
| 1505 | argstr[x++] = 'D'; |
| 1506 | if (preserve_times) |
| 1507 | argstr[x++] = 't'; |
| 1508 | if (preserve_perms) |
| 1509 | argstr[x++] = 'p'; |
| 1510 | else if (preserve_executability && am_sender) |
| 1511 | argstr[x++] = 'E'; |
| 1512 | if (recurse) |
| 1513 | argstr[x++] = 'r'; |
| 1514 | if (always_checksum) |
| 1515 | argstr[x++] = 'c'; |
| 1516 | if (cvs_exclude) |
| 1517 | argstr[x++] = 'C'; |
| 1518 | if (ignore_times) |
| 1519 | argstr[x++] = 'I'; |
| 1520 | if (relative_paths) |
| 1521 | argstr[x++] = 'R'; |
| 1522 | if (one_file_system) { |
| 1523 | argstr[x++] = 'x'; |
| 1524 | if (one_file_system > 1) |
| 1525 | argstr[x++] = 'x'; |
| 1526 | } |
| 1527 | if (sparse_files) |
| 1528 | argstr[x++] = 'S'; |
| 1529 | if (do_compression) |
| 1530 | argstr[x++] = 'z'; |
| 1531 | |
| 1532 | /* This is a complete hack - blame Rusty. FIXME! |
| 1533 | * This hack is only needed for older rsync versions that |
| 1534 | * don't understand the --list-only option. */ |
| 1535 | if (list_only == 1 && !recurse) |
| 1536 | argstr[x++] = 'r'; |
| 1537 | |
| 1538 | argstr[x] = '\0'; |
| 1539 | |
| 1540 | if (x != 1) |
| 1541 | args[ac++] = argstr; |
| 1542 | |
| 1543 | if (list_only > 1) |
| 1544 | args[ac++] = "--list-only"; |
| 1545 | |
| 1546 | /* This makes sure that the remote rsync can handle deleting with -d |
| 1547 | * sans -r because the --no-r option was added at the same time. */ |
| 1548 | if (xfer_dirs && !recurse && delete_mode && am_sender) |
| 1549 | args[ac++] = "--no-r"; |
| 1550 | |
| 1551 | if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) { |
| 1552 | if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0) |
| 1553 | goto oom; |
| 1554 | args[ac++] = arg; |
| 1555 | } |
| 1556 | |
| 1557 | if (preserve_devices) { |
| 1558 | /* Note: sending "--devices" would not be backward-compatible. */ |
| 1559 | if (!preserve_specials) |
| 1560 | args[ac++] = "--no-specials"; /* -D is already set. */ |
| 1561 | } else if (preserve_specials) |
| 1562 | args[ac++] = "--specials"; |
| 1563 | |
| 1564 | /* The server side doesn't use our log-format, but in certain |
| 1565 | * circumstances they need to know a little about the option. */ |
| 1566 | if (log_format && am_sender) { |
| 1567 | if (log_format_has_i > 1) |
| 1568 | args[ac++] = "--log-format=%i%I"; |
| 1569 | else if (log_format_has_i) |
| 1570 | args[ac++] = "--log-format=%i"; |
| 1571 | else if (log_format_has_o_or_i) |
| 1572 | args[ac++] = "--log-format=%o"; |
| 1573 | else if (!verbose) |
| 1574 | args[ac++] = "--log-format=X"; |
| 1575 | } |
| 1576 | |
| 1577 | if (block_size) { |
| 1578 | if (asprintf(&arg, "-B%lu", block_size) < 0) |
| 1579 | goto oom; |
| 1580 | args[ac++] = arg; |
| 1581 | } |
| 1582 | |
| 1583 | if (max_delete && am_sender) { |
| 1584 | if (asprintf(&arg, "--max-delete=%d", max_delete) < 0) |
| 1585 | goto oom; |
| 1586 | args[ac++] = arg; |
| 1587 | } |
| 1588 | |
| 1589 | if (min_size && am_sender) { |
| 1590 | args[ac++] = "--min-size"; |
| 1591 | args[ac++] = min_size_arg; |
| 1592 | } |
| 1593 | |
| 1594 | if (max_size && am_sender) { |
| 1595 | args[ac++] = "--max-size"; |
| 1596 | args[ac++] = max_size_arg; |
| 1597 | } |
| 1598 | |
| 1599 | if (io_timeout) { |
| 1600 | if (asprintf(&arg, "--timeout=%d", io_timeout) < 0) |
| 1601 | goto oom; |
| 1602 | args[ac++] = arg; |
| 1603 | } |
| 1604 | |
| 1605 | if (bwlimit) { |
| 1606 | if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0) |
| 1607 | goto oom; |
| 1608 | args[ac++] = arg; |
| 1609 | } |
| 1610 | |
| 1611 | if (backup_dir) { |
| 1612 | args[ac++] = "--backup-dir"; |
| 1613 | args[ac++] = backup_dir; |
| 1614 | } |
| 1615 | |
| 1616 | /* Only send --suffix if it specifies a non-default value. */ |
| 1617 | if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) { |
| 1618 | /* We use the following syntax to avoid weirdness with '~'. */ |
| 1619 | if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0) |
| 1620 | goto oom; |
| 1621 | args[ac++] = arg; |
| 1622 | } |
| 1623 | |
| 1624 | if (am_sender) { |
| 1625 | if (delete_excluded) |
| 1626 | args[ac++] = "--delete-excluded"; |
| 1627 | else if (delete_before == 1 || delete_after) |
| 1628 | args[ac++] = "--delete"; |
| 1629 | if (delete_before > 1) |
| 1630 | args[ac++] = "--delete-before"; |
| 1631 | if (delete_during) |
| 1632 | args[ac++] = "--delete-during"; |
| 1633 | if (delete_after) |
| 1634 | args[ac++] = "--delete-after"; |
| 1635 | if (force_delete) |
| 1636 | args[ac++] = "--force"; |
| 1637 | if (write_batch < 0) |
| 1638 | args[ac++] = "--only-write-batch=X"; |
| 1639 | if (am_root > 1) |
| 1640 | args[ac++] = "--super"; |
| 1641 | } |
| 1642 | |
| 1643 | if (size_only) |
| 1644 | args[ac++] = "--size-only"; |
| 1645 | |
| 1646 | if (modify_window_set) { |
| 1647 | if (asprintf(&arg, "--modify-window=%d", modify_window) < 0) |
| 1648 | goto oom; |
| 1649 | args[ac++] = arg; |
| 1650 | } |
| 1651 | |
| 1652 | if (checksum_seed) { |
| 1653 | if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0) |
| 1654 | goto oom; |
| 1655 | args[ac++] = arg; |
| 1656 | } |
| 1657 | |
| 1658 | if (partial_dir && am_sender) { |
| 1659 | if (partial_dir != tmp_partialdir) { |
| 1660 | args[ac++] = "--partial-dir"; |
| 1661 | args[ac++] = partial_dir; |
| 1662 | } |
| 1663 | if (delay_updates) |
| 1664 | args[ac++] = "--delay-updates"; |
| 1665 | } else if (keep_partial && am_sender) |
| 1666 | args[ac++] = "--partial"; |
| 1667 | |
| 1668 | if (ignore_errors) |
| 1669 | args[ac++] = "--ignore-errors"; |
| 1670 | |
| 1671 | if (copy_unsafe_links) |
| 1672 | args[ac++] = "--copy-unsafe-links"; |
| 1673 | |
| 1674 | if (safe_symlinks) |
| 1675 | args[ac++] = "--safe-links"; |
| 1676 | |
| 1677 | if (numeric_ids) |
| 1678 | args[ac++] = "--numeric-ids"; |
| 1679 | |
| 1680 | if (ignore_existing && am_sender) |
| 1681 | args[ac++] = "--ignore-existing"; |
| 1682 | |
| 1683 | /* Backward compatibility: send --existing, not --ignore-non-existing. */ |
| 1684 | if (ignore_non_existing && am_sender) |
| 1685 | args[ac++] = "--existing"; |
| 1686 | |
| 1687 | if (append_mode) |
| 1688 | args[ac++] = "--append"; |
| 1689 | else if (inplace) |
| 1690 | args[ac++] = "--inplace"; |
| 1691 | |
| 1692 | if (tmpdir && am_sender) { |
| 1693 | args[ac++] = "--temp-dir"; |
| 1694 | args[ac++] = tmpdir; |
| 1695 | } |
| 1696 | |
| 1697 | if (basis_dir[0] && am_sender) { |
| 1698 | /* the server only needs this option if it is not the sender, |
| 1699 | * and it may be an older version that doesn't know this |
| 1700 | * option, so don't send it if client is the sender. |
| 1701 | */ |
| 1702 | int i; |
| 1703 | for (i = 0; i < basis_dir_cnt; i++) { |
| 1704 | args[ac++] = dest_option; |
| 1705 | args[ac++] = basis_dir[i]; |
| 1706 | } |
| 1707 | } |
| 1708 | |
| 1709 | if (files_from && (!am_sender || filesfrom_host)) { |
| 1710 | if (filesfrom_host) { |
| 1711 | args[ac++] = "--files-from"; |
| 1712 | args[ac++] = files_from; |
| 1713 | if (eol_nulls) |
| 1714 | args[ac++] = "--from0"; |
| 1715 | } else { |
| 1716 | args[ac++] = "--files-from=-"; |
| 1717 | args[ac++] = "--from0"; |
| 1718 | } |
| 1719 | if (!relative_paths) |
| 1720 | args[ac++] = "--no-relative"; |
| 1721 | } |
| 1722 | if (relative_paths && !implied_dirs && !am_sender) |
| 1723 | args[ac++] = "--no-implied-dirs"; |
| 1724 | |
| 1725 | if (fuzzy_basis && am_sender) |
| 1726 | args[ac++] = "--fuzzy"; |
| 1727 | |
| 1728 | if (remove_sent_files) |
| 1729 | args[ac++] = "--remove-sent-files"; |
| 1730 | |
| 1731 | *argc = ac; |
| 1732 | return; |
| 1733 | |
| 1734 | oom: |
| 1735 | out_of_memory("server_options"); |
| 1736 | } |
| 1737 | |
| 1738 | /* Look for a HOST specfication of the form "HOST:PATH", "HOST::PATH", or |
| 1739 | * "rsync://HOST:PORT/PATH". If found, *host_ptr will be set to some allocated |
| 1740 | * memory with the HOST. If a daemon-accessing spec was specified, the value |
| 1741 | * of *port_ptr will contain a non-0 port number, otherwise it will be set to |
| 1742 | * 0. The return value is a pointer to the PATH. Note that the HOST spec can |
| 1743 | * be an IPv6 literal address enclosed in '[' and ']' (such as "[::1]" or |
| 1744 | * "[::ffff:127.0.0.1]") which is returned without the '[' and ']'. */ |
| 1745 | char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr) |
| 1746 | { |
| 1747 | char *p; |
| 1748 | int not_host; |
| 1749 | |
| 1750 | if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) { |
| 1751 | char *path; |
| 1752 | int hostlen; |
| 1753 | s += strlen(URL_PREFIX); |
| 1754 | if ((p = strchr(s, '/')) != NULL) { |
| 1755 | hostlen = p - s; |
| 1756 | path = p + 1; |
| 1757 | } else { |
| 1758 | hostlen = strlen(s); |
| 1759 | path = ""; |
| 1760 | } |
| 1761 | if (*s == '[' && (p = strchr(s, ']')) != NULL) { |
| 1762 | s++; |
| 1763 | hostlen = p - s; |
| 1764 | if (p[1] == ':') |
| 1765 | *port_ptr = atoi(p+2); |
| 1766 | } else { |
| 1767 | if ((p = strchr(s, ':')) != NULL) { |
| 1768 | hostlen = p - s; |
| 1769 | *port_ptr = atoi(p+1); |
| 1770 | } |
| 1771 | } |
| 1772 | if (!*port_ptr) |
| 1773 | *port_ptr = RSYNC_PORT; |
| 1774 | *host_ptr = new_array(char, hostlen + 1); |
| 1775 | strlcpy(*host_ptr, s, hostlen + 1); |
| 1776 | return path; |
| 1777 | } |
| 1778 | |
| 1779 | if (*s == '[' && (p = strchr(s, ']')) != NULL && p[1] == ':') { |
| 1780 | s++; |
| 1781 | *p = '\0'; |
| 1782 | not_host = strchr(s, '/') || !strchr(s, ':'); |
| 1783 | *p = ']'; |
| 1784 | if (not_host) |
| 1785 | return NULL; |
| 1786 | p++; |
| 1787 | } else { |
| 1788 | if (!(p = strchr(s, ':'))) |
| 1789 | return NULL; |
| 1790 | *p = '\0'; |
| 1791 | not_host = strchr(s, '/') != NULL; |
| 1792 | *p = ':'; |
| 1793 | if (not_host) |
| 1794 | return NULL; |
| 1795 | } |
| 1796 | |
| 1797 | *host_ptr = new_array(char, p - s + 1); |
| 1798 | strlcpy(*host_ptr, s, p - s + 1); |
| 1799 | |
| 1800 | if (p[1] == ':') { |
| 1801 | if (port_ptr && !*port_ptr) |
| 1802 | *port_ptr = RSYNC_PORT; |
| 1803 | return p + 2; |
| 1804 | } |
| 1805 | if (port_ptr) |
| 1806 | *port_ptr = 0; |
| 1807 | |
| 1808 | return p + 1; |
| 1809 | } |