| 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 | |
| 24 | extern int sanitize_paths; |
| 25 | extern int select_timeout; |
| 26 | extern struct exclude_list_struct exclude_list; |
| 27 | extern struct exclude_list_struct server_exclude_list; |
| 28 | |
| 29 | int make_backups = 0; |
| 30 | |
| 31 | /** |
| 32 | * If 1, send the whole file as literal data rather than trying to |
| 33 | * create an incremental diff. |
| 34 | * |
| 35 | * If -1, then look at whether we're local or remote and go by that. |
| 36 | * |
| 37 | * @sa disable_deltas_p() |
| 38 | **/ |
| 39 | int whole_file = -1; |
| 40 | |
| 41 | int archive_mode = 0; |
| 42 | int keep_dirlinks = 0; |
| 43 | int copy_links = 0; |
| 44 | int preserve_links = 0; |
| 45 | int preserve_hard_links = 0; |
| 46 | int preserve_perms = 0; |
| 47 | int preserve_devices = 0; |
| 48 | int preserve_uid = 0; |
| 49 | int preserve_gid = 0; |
| 50 | int preserve_times = 0; |
| 51 | int update_only = 0; |
| 52 | int cvs_exclude = 0; |
| 53 | int dry_run = 0; |
| 54 | int local_server = 0; |
| 55 | int ignore_times = 0; |
| 56 | int delete_mode = 0; |
| 57 | int delete_excluded = 0; |
| 58 | int one_file_system = 0; |
| 59 | int protocol_version = PROTOCOL_VERSION; |
| 60 | int sparse_files = 0; |
| 61 | int do_compression = 0; |
| 62 | int am_root = 0; |
| 63 | int orig_umask = 0; |
| 64 | int relative_paths = -1; |
| 65 | int implied_dirs = 1; |
| 66 | int numeric_ids = 0; |
| 67 | int force_delete = 0; |
| 68 | int io_timeout = 0; |
| 69 | int read_only = 0; |
| 70 | int module_id = -1; |
| 71 | int am_server = 0; |
| 72 | int am_sender = 0; |
| 73 | int am_generator = 0; |
| 74 | char *files_from = NULL; |
| 75 | int filesfrom_fd = -1; |
| 76 | char *remote_filesfrom_file = NULL; |
| 77 | int eol_nulls = 0; |
| 78 | int recurse = 0; |
| 79 | int am_daemon = 0; |
| 80 | int daemon_over_rsh = 0; |
| 81 | int do_stats = 0; |
| 82 | int do_progress = 0; |
| 83 | int keep_partial = 0; |
| 84 | int safe_symlinks = 0; |
| 85 | int copy_unsafe_links = 0; |
| 86 | int size_only = 0; |
| 87 | int bwlimit = 0; |
| 88 | size_t bwlimit_writemax = 0; |
| 89 | int delete_after = 0; |
| 90 | int only_existing = 0; |
| 91 | int opt_ignore_existing = 0; |
| 92 | int max_delete = 0; |
| 93 | int ignore_errors = 0; |
| 94 | int modify_window = 0; |
| 95 | int blocking_io = -1; |
| 96 | int checksum_seed = 0; |
| 97 | int inplace = 0; |
| 98 | unsigned int block_size = 0; |
| 99 | |
| 100 | |
| 101 | /** Network address family. **/ |
| 102 | #ifdef INET6 |
| 103 | int default_af_hint = 0; /* Any protocol */ |
| 104 | #else |
| 105 | int default_af_hint = AF_INET; /* Must use IPv4 */ |
| 106 | #endif |
| 107 | |
| 108 | /** Do not go into the background when run as --daemon. Good |
| 109 | * for debugging and required for running as a service on W32, |
| 110 | * or under Unix process-monitors. **/ |
| 111 | int no_detach = 0; |
| 112 | |
| 113 | int write_batch = 0; |
| 114 | int read_batch = 0; |
| 115 | int backup_dir_len = 0; |
| 116 | int backup_suffix_len; |
| 117 | unsigned int backup_dir_remainder; |
| 118 | |
| 119 | char *backup_suffix = NULL; |
| 120 | char *tmpdir = NULL; |
| 121 | char *partial_dir = NULL; |
| 122 | char *compare_dest = NULL; |
| 123 | char *config_file = NULL; |
| 124 | char *shell_cmd = NULL; |
| 125 | char *log_format = NULL; |
| 126 | char *password_file = NULL; |
| 127 | char *rsync_path = RSYNC_PATH; |
| 128 | char *backup_dir = NULL; |
| 129 | char backup_dir_buf[MAXPATHLEN]; |
| 130 | int rsync_port = RSYNC_PORT; |
| 131 | int link_dest = 0; |
| 132 | |
| 133 | int verbose = 0; |
| 134 | int quiet = 0; |
| 135 | int always_checksum = 0; |
| 136 | int list_only = 0; |
| 137 | |
| 138 | #define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */ |
| 139 | char *batch_name = NULL; |
| 140 | |
| 141 | static int daemon_opt; /* sets am_daemon after option error-reporting */ |
| 142 | static int modify_window_set; |
| 143 | |
| 144 | /** Local address to bind. As a character string because it's |
| 145 | * interpreted by the IPv6 layer: should be a numeric IP4 or IP6 |
| 146 | * address, or a hostname. **/ |
| 147 | char *bind_address; |
| 148 | |
| 149 | |
| 150 | static void print_rsync_version(enum logcode f) |
| 151 | { |
| 152 | char const *got_socketpair = "no "; |
| 153 | char const *have_inplace = "no "; |
| 154 | char const *hardlinks = "no "; |
| 155 | char const *links = "no "; |
| 156 | char const *ipv6 = "no "; |
| 157 | STRUCT_STAT *dumstat; |
| 158 | |
| 159 | #ifdef HAVE_SOCKETPAIR |
| 160 | got_socketpair = ""; |
| 161 | #endif |
| 162 | |
| 163 | #if HAVE_FTRUNCATE |
| 164 | have_inplace = ""; |
| 165 | #endif |
| 166 | |
| 167 | #if SUPPORT_HARD_LINKS |
| 168 | hardlinks = ""; |
| 169 | #endif |
| 170 | |
| 171 | #if SUPPORT_LINKS |
| 172 | links = ""; |
| 173 | #endif |
| 174 | |
| 175 | #if INET6 |
| 176 | ipv6 = ""; |
| 177 | #endif |
| 178 | |
| 179 | rprintf(f, "%s version %s protocol version %d\n", |
| 180 | RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION); |
| 181 | rprintf(f, |
| 182 | "Copyright (C) 1996-2004 by Andrew Tridgell and others\n"); |
| 183 | rprintf(f, "<http://rsync.samba.org/>\n"); |
| 184 | rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, " |
| 185 | "%shard links, %ssymlinks, batchfiles, \n", |
| 186 | (int) (sizeof (OFF_T) * 8), |
| 187 | got_socketpair, hardlinks, links); |
| 188 | |
| 189 | /* Note that this field may not have type ino_t. It depends |
| 190 | * on the complicated interaction between largefile feature |
| 191 | * macros. */ |
| 192 | rprintf(f, " %sinplace, %sIPv6, %d-bit system inums, %d-bit internal inums\n", |
| 193 | have_inplace, ipv6, |
| 194 | (int) (sizeof dumstat->st_ino * 8), |
| 195 | (int) (sizeof (uint64) * 8)); |
| 196 | #ifdef MAINTAINER_MODE |
| 197 | rprintf(f, " panic action: \"%s\"\n", |
| 198 | get_panic_action()); |
| 199 | #endif |
| 200 | |
| 201 | #ifdef INT64_IS_OFF_T |
| 202 | if (sizeof (int64) < 8) |
| 203 | rprintf(f, "WARNING: no 64-bit integers on this platform!\n"); |
| 204 | #endif |
| 205 | |
| 206 | rprintf(f, |
| 207 | "\n" |
| 208 | "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n" |
| 209 | "are welcome to redistribute it under certain conditions. See the GNU\n" |
| 210 | "General Public Licence for details.\n" |
| 211 | ); |
| 212 | } |
| 213 | |
| 214 | |
| 215 | void usage(enum logcode F) |
| 216 | { |
| 217 | print_rsync_version(F); |
| 218 | |
| 219 | rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n"); |
| 220 | |
| 221 | rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n"); |
| 222 | rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n"); |
| 223 | rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n"); |
| 224 | rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n"); |
| 225 | rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n"); |
| 226 | rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n"); |
| 227 | rprintf(F," or rsync [OPTION]... SRC [SRC]... rsync://[USER@]HOST[:PORT]/DEST\n"); |
| 228 | rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n"); |
| 229 | rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n"); |
| 230 | rprintf(F," sources separated by space as long as they have same top-level\n"); |
| 231 | rprintf(F,"\nOptions\n"); |
| 232 | rprintf(F," -v, --verbose increase verbosity\n"); |
| 233 | rprintf(F," -q, --quiet decrease verbosity\n"); |
| 234 | rprintf(F," -c, --checksum always checksum\n"); |
| 235 | rprintf(F," -a, --archive archive mode, equivalent to -rlptgoD\n"); |
| 236 | rprintf(F," -r, --recursive recurse into directories\n"); |
| 237 | rprintf(F," -R, --relative use relative path names\n"); |
| 238 | rprintf(F," --no-relative turn off --relative\n"); |
| 239 | rprintf(F," --no-implied-dirs don't send implied dirs with -R\n"); |
| 240 | rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n"); |
| 241 | rprintf(F," --backup-dir make backups into this directory\n"); |
| 242 | rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX); |
| 243 | rprintf(F," -u, --update update only (don't overwrite newer files)\n"); |
| 244 | rprintf(F," --inplace update destination files inplace (SEE MAN PAGE)\n"); |
| 245 | rprintf(F," -K, --keep-dirlinks treat symlinked dir on receiver as dir\n"); |
| 246 | rprintf(F," -l, --links copy symlinks as symlinks\n"); |
| 247 | rprintf(F," -L, --copy-links copy the referent of all symlinks\n"); |
| 248 | rprintf(F," --copy-unsafe-links copy the referent of \"unsafe\" symlinks\n"); |
| 249 | rprintf(F," --safe-links ignore \"unsafe\" symlinks\n"); |
| 250 | rprintf(F," -H, --hard-links preserve hard links\n"); |
| 251 | rprintf(F," -p, --perms preserve permissions\n"); |
| 252 | rprintf(F," -o, --owner preserve owner (root only)\n"); |
| 253 | rprintf(F," -g, --group preserve group\n"); |
| 254 | rprintf(F," -D, --devices preserve devices (root only)\n"); |
| 255 | rprintf(F," -t, --times preserve times\n"); |
| 256 | rprintf(F," -S, --sparse handle sparse files efficiently\n"); |
| 257 | rprintf(F," -n, --dry-run show what would have been transferred\n"); |
| 258 | rprintf(F," -W, --whole-file copy whole files, no incremental checks\n"); |
| 259 | rprintf(F," --no-whole-file turn off --whole-file\n"); |
| 260 | rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n"); |
| 261 | rprintf(F," -B, --block-size=SIZE force a fixed checksum block-size\n"); |
| 262 | rprintf(F," -e, --rsh=COMMAND specify the remote shell\n"); |
| 263 | rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n"); |
| 264 | rprintf(F," --existing only update files that already exist\n"); |
| 265 | rprintf(F," --ignore-existing ignore files that already exist on receiving side\n"); |
| 266 | rprintf(F," --delete delete files that don't exist on the sending side\n"); |
| 267 | rprintf(F," --delete-excluded also delete excluded files on the receiving side\n"); |
| 268 | rprintf(F," --delete-after receiver deletes after transferring, not before\n"); |
| 269 | rprintf(F," --ignore-errors delete even if there are I/O errors\n"); |
| 270 | rprintf(F," --max-delete=NUM don't delete more than NUM files\n"); |
| 271 | rprintf(F," --partial keep partially transferred files\n"); |
| 272 | rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n"); |
| 273 | rprintf(F," --force force deletion of directories even if not empty\n"); |
| 274 | rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n"); |
| 275 | rprintf(F," --timeout=TIME set I/O timeout in seconds\n"); |
| 276 | rprintf(F," -I, --ignore-times turn off mod time & file size quick check\n"); |
| 277 | rprintf(F," --size-only ignore mod time for quick check (use size)\n"); |
| 278 | rprintf(F," --modify-window=NUM compare mod times with reduced accuracy\n"); |
| 279 | rprintf(F," -T, --temp-dir=DIR create temporary files in directory DIR\n"); |
| 280 | rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n"); |
| 281 | rprintf(F," --link-dest=DIR create hardlinks to DIR for unchanged files\n"); |
| 282 | rprintf(F," -P equivalent to --partial --progress\n"); |
| 283 | rprintf(F," -z, --compress compress file data\n"); |
| 284 | rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n"); |
| 285 | rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n"); |
| 286 | rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n"); |
| 287 | rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n"); |
| 288 | rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n"); |
| 289 | rprintf(F," --files-from=FILE read FILE for list of source-file names\n"); |
| 290 | rprintf(F," -0, --from0 all *-from file lists are delimited by nulls\n"); |
| 291 | rprintf(F," --version print version number\n"); |
| 292 | rprintf(F," --daemon run as an rsync daemon\n"); |
| 293 | rprintf(F," --no-detach do not detach from the parent\n"); |
| 294 | rprintf(F," --address=ADDRESS bind to the specified address\n"); |
| 295 | rprintf(F," --config=FILE specify alternate rsyncd.conf file\n"); |
| 296 | rprintf(F," --port=PORT specify alternate rsyncd port number\n"); |
| 297 | rprintf(F," --blocking-io use blocking I/O for the remote shell\n"); |
| 298 | rprintf(F," --no-blocking-io turn off --blocking-io\n"); |
| 299 | rprintf(F," --stats give some file transfer stats\n"); |
| 300 | rprintf(F," --progress show progress during transfer\n"); |
| 301 | rprintf(F," --log-format=FORMAT log file transfers using specified format\n"); |
| 302 | rprintf(F," --password-file=FILE get password from FILE\n"); |
| 303 | rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n"); |
| 304 | rprintf(F," --write-batch=FILE write a batch to FILE\n"); |
| 305 | rprintf(F," --read-batch=FILE read a batch from FILE\n"); |
| 306 | rprintf(F," --checksum-seed=NUM set block/file checksum seed\n"); |
| 307 | #ifdef INET6 |
| 308 | rprintf(F," -4, --ipv4 prefer IPv4\n"); |
| 309 | rprintf(F," -6, --ipv6 prefer IPv6\n"); |
| 310 | #endif |
| 311 | rprintf(F," -h, --help show this help screen\n"); |
| 312 | |
| 313 | rprintf(F,"\n"); |
| 314 | |
| 315 | rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n"); |
| 316 | rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n"); |
| 317 | } |
| 318 | |
| 319 | enum {OPT_VERSION = 1000, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM, |
| 320 | OPT_DELETE_AFTER, OPT_DELETE_EXCLUDED, OPT_LINK_DEST, |
| 321 | OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, |
| 322 | OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_TIMEOUT, |
| 323 | OPT_REFUSED_BASE = 9000}; |
| 324 | |
| 325 | static struct poptOption long_options[] = { |
| 326 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 327 | {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0}, |
| 328 | {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 }, |
| 329 | {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 }, |
| 330 | {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 }, |
| 331 | {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times, 0, 0, 0 }, |
| 332 | {"size-only", 0, POPT_ARG_NONE, &size_only, 0, 0, 0 }, |
| 333 | {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 }, |
| 334 | {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system, 0, 0, 0 }, |
| 335 | {"delete", 0, POPT_ARG_NONE, &delete_mode, 0, 0, 0 }, |
| 336 | {"existing", 0, POPT_ARG_NONE, &only_existing, 0, 0, 0 }, |
| 337 | {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing, 0, 0, 0 }, |
| 338 | {"delete-after", 0, POPT_ARG_NONE, 0, OPT_DELETE_AFTER, 0, 0 }, |
| 339 | {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 }, |
| 340 | {"force", 0, POPT_ARG_NONE, &force_delete, 0, 0, 0 }, |
| 341 | {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 }, |
| 342 | {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 }, |
| 343 | {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 }, |
| 344 | {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 }, |
| 345 | {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 }, |
| 346 | {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 }, |
| 347 | {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 }, |
| 348 | {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 }, |
| 349 | {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 }, |
| 350 | {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 }, |
| 351 | {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 }, |
| 352 | {"update", 'u', POPT_ARG_NONE, &update_only, 0, 0, 0 }, |
| 353 | {"inplace", 0, POPT_ARG_NONE, &inplace, 0, 0, 0 }, |
| 354 | {"keep-dirlinks", 'K', POPT_ARG_NONE, &keep_dirlinks, 0, 0, 0 }, |
| 355 | {"links", 'l', POPT_ARG_NONE, &preserve_links, 0, 0, 0 }, |
| 356 | {"copy-links", 'L', POPT_ARG_NONE, ©_links, 0, 0, 0 }, |
| 357 | {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 }, |
| 358 | {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, |
| 359 | {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links, 0, 0, 0 }, |
| 360 | {"perms", 'p', POPT_ARG_NONE, &preserve_perms, 0, 0, 0 }, |
| 361 | {"owner", 'o', POPT_ARG_NONE, &preserve_uid, 0, 0, 0 }, |
| 362 | {"group", 'g', POPT_ARG_NONE, &preserve_gid, 0, 0, 0 }, |
| 363 | {"devices", 'D', POPT_ARG_NONE, &preserve_devices, 0, 0, 0 }, |
| 364 | {"times", 't', POPT_ARG_NONE, &preserve_times, 0, 0, 0 }, |
| 365 | {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 }, |
| 366 | {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 }, |
| 367 | {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 }, |
| 368 | {"archive", 'a', POPT_ARG_NONE, &archive_mode, 0, 0, 0 }, |
| 369 | {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 }, |
| 370 | {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 }, |
| 371 | {"recursive", 'r', POPT_ARG_NONE, &recurse, 0, 0, 0 }, |
| 372 | {"relative", 'R', POPT_ARG_VAL, &relative_paths, 1, 0, 0 }, |
| 373 | {"no-relative", 0, POPT_ARG_VAL, &relative_paths, 0, 0, 0 }, |
| 374 | {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 }, |
| 375 | {"block-size", 'B', POPT_ARG_INT, &block_size, 0, 0, 0 }, |
| 376 | {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 }, |
| 377 | {"timeout", 0, POPT_ARG_INT, &io_timeout, OPT_TIMEOUT, 0, 0 }, |
| 378 | {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 }, |
| 379 | {"compare-dest", 0, POPT_ARG_STRING, &compare_dest, 0, 0, 0 }, |
| 380 | {"link-dest", 0, POPT_ARG_STRING, &compare_dest, OPT_LINK_DEST, 0, 0 }, |
| 381 | /* TODO: Should this take an optional int giving the compression level? */ |
| 382 | {"compress", 'z', POPT_ARG_NONE, &do_compression, 0, 0, 0 }, |
| 383 | {"daemon", 0, POPT_ARG_NONE, &daemon_opt, 0, 0, 0 }, |
| 384 | {"no-detach", 0, POPT_ARG_NONE, &no_detach, 0, 0, 0 }, |
| 385 | {"stats", 0, POPT_ARG_NONE, &do_stats, 0, 0, 0 }, |
| 386 | {"progress", 0, POPT_ARG_NONE, &do_progress, 0, 0, 0 }, |
| 387 | {"partial", 0, POPT_ARG_NONE, &keep_partial, 0, 0, 0 }, |
| 388 | {"partial-dir", 0, POPT_ARG_STRING, &partial_dir, 0, 0, 0 }, |
| 389 | {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors, 0, 0, 0 }, |
| 390 | {"blocking-io", 0, POPT_ARG_VAL, &blocking_io, 1, 0, 0 }, |
| 391 | {"no-blocking-io", 0, POPT_ARG_VAL, &blocking_io, 0, 0, 0 }, |
| 392 | {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 }, |
| 393 | {"config", 0, POPT_ARG_STRING, &config_file, 0, 0, 0 }, |
| 394 | {"port", 0, POPT_ARG_INT, &rsync_port, 0, 0, 0 }, |
| 395 | {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 }, |
| 396 | {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 }, |
| 397 | {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 }, |
| 398 | {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 }, |
| 399 | {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links, 0, 0, 0 }, |
| 400 | {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 }, |
| 401 | {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 }, |
| 402 | {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 }, |
| 403 | {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0}, |
| 404 | {"no-implied-dirs", 0, POPT_ARG_VAL, &implied_dirs, 0, 0, 0 }, |
| 405 | {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 }, |
| 406 | {"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 }, |
| 407 | #ifdef INET6 |
| 408 | {"ipv4", '4', POPT_ARG_VAL, &default_af_hint, AF_INET, 0, 0 }, |
| 409 | {"ipv6", '6', POPT_ARG_VAL, &default_af_hint, AF_INET6, 0, 0 }, |
| 410 | #endif |
| 411 | {0,0,0,0, 0, 0, 0} |
| 412 | }; |
| 413 | |
| 414 | |
| 415 | static char err_buf[200]; |
| 416 | |
| 417 | |
| 418 | /** |
| 419 | * Store the option error message, if any, so that we can log the |
| 420 | * connection attempt (which requires parsing the options), and then |
| 421 | * show the error later on. |
| 422 | **/ |
| 423 | void option_error(void) |
| 424 | { |
| 425 | if (!err_buf[0]) { |
| 426 | strcpy(err_buf, "Error parsing options: " |
| 427 | "option may be supported on client but not on server?\n"); |
| 428 | } |
| 429 | |
| 430 | rprintf(FERROR, RSYNC_NAME ": %s", err_buf); |
| 431 | } |
| 432 | |
| 433 | |
| 434 | /** |
| 435 | * Tweak the option table to disable all options that the rsyncd.conf |
| 436 | * file has told us to refuse. |
| 437 | **/ |
| 438 | static void set_refuse_options(char *bp) |
| 439 | { |
| 440 | struct poptOption *op; |
| 441 | char *cp, shortname[2]; |
| 442 | int is_wild, found_match; |
| 443 | |
| 444 | shortname[1] = '\0'; |
| 445 | |
| 446 | while (1) { |
| 447 | while (*bp == ' ') bp++; |
| 448 | if (!*bp) |
| 449 | break; |
| 450 | if ((cp = strchr(bp, ' ')) != NULL) |
| 451 | *cp= '\0'; |
| 452 | /* If they specify "delete", reject all delete options. */ |
| 453 | if (strcmp(bp, "delete") == 0) |
| 454 | bp = "delete*"; |
| 455 | is_wild = strpbrk(bp, "*?[") != NULL; |
| 456 | found_match = 0; |
| 457 | for (op = long_options; ; op++) { |
| 458 | *shortname = op->shortName; |
| 459 | if (!op->longName && !*shortname) |
| 460 | break; |
| 461 | if ((op->longName && wildmatch(bp, op->longName)) |
| 462 | || (*shortname && wildmatch(bp, shortname))) { |
| 463 | op->val = (op - long_options) + OPT_REFUSED_BASE; |
| 464 | found_match = 1; |
| 465 | if (!is_wild) |
| 466 | break; |
| 467 | } |
| 468 | } |
| 469 | if (!found_match) { |
| 470 | rprintf(FLOG, "No match for refuse-options string \"%s\"\n", |
| 471 | bp); |
| 472 | } |
| 473 | if (!cp) |
| 474 | break; |
| 475 | *cp = ' '; |
| 476 | bp = cp + 1; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | |
| 481 | static int count_args(char const **argv) |
| 482 | { |
| 483 | int i = 0; |
| 484 | |
| 485 | while (argv[i] != NULL) |
| 486 | i++; |
| 487 | |
| 488 | return i; |
| 489 | } |
| 490 | |
| 491 | |
| 492 | /** |
| 493 | * Process command line arguments. Called on both local and remote. |
| 494 | * |
| 495 | * @retval 1 if all options are OK; with globals set to appropriate |
| 496 | * values |
| 497 | * |
| 498 | * @retval 0 on error, with err_buf containing an explanation |
| 499 | **/ |
| 500 | int parse_arguments(int *argc, const char ***argv, int frommain) |
| 501 | { |
| 502 | int opt; |
| 503 | char *ref = lp_refuse_options(module_id); |
| 504 | const char *arg; |
| 505 | poptContext pc; |
| 506 | |
| 507 | if (ref && *ref) |
| 508 | set_refuse_options(ref); |
| 509 | |
| 510 | /* TODO: Call poptReadDefaultConfig; handle errors. */ |
| 511 | |
| 512 | /* The context leaks in case of an error, but if there's a |
| 513 | * problem we always exit anyhow. */ |
| 514 | pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0); |
| 515 | |
| 516 | while ((opt = poptGetNextOpt(pc)) != -1) { |
| 517 | /* most options are handled automatically by popt; |
| 518 | * only special cases are returned and listed here. */ |
| 519 | |
| 520 | switch (opt) { |
| 521 | case OPT_VERSION: |
| 522 | print_rsync_version(FINFO); |
| 523 | exit_cleanup(0); |
| 524 | |
| 525 | case OPT_MODIFY_WINDOW: |
| 526 | /* The value has already been set by popt, but |
| 527 | * we need to remember that we're using a |
| 528 | * non-default setting. */ |
| 529 | modify_window_set = 1; |
| 530 | break; |
| 531 | |
| 532 | case OPT_DELETE_AFTER: |
| 533 | delete_after = 1; |
| 534 | delete_mode = 1; |
| 535 | break; |
| 536 | |
| 537 | case OPT_DELETE_EXCLUDED: |
| 538 | delete_excluded = 1; |
| 539 | delete_mode = 1; |
| 540 | break; |
| 541 | |
| 542 | case OPT_EXCLUDE: |
| 543 | add_exclude(&exclude_list, poptGetOptArg(pc), 0); |
| 544 | break; |
| 545 | |
| 546 | case OPT_INCLUDE: |
| 547 | add_exclude(&exclude_list, poptGetOptArg(pc), |
| 548 | XFLG_DEF_INCLUDE); |
| 549 | break; |
| 550 | |
| 551 | case OPT_EXCLUDE_FROM: |
| 552 | case OPT_INCLUDE_FROM: |
| 553 | arg = poptGetOptArg(pc); |
| 554 | if (sanitize_paths) |
| 555 | arg = sanitize_path(NULL, arg, NULL, 0); |
| 556 | if (server_exclude_list.head) { |
| 557 | char *cp = (char *)arg; |
| 558 | clean_fname(cp, 1); |
| 559 | if (check_exclude(&server_exclude_list, cp, 0) < 0) |
| 560 | goto options_rejected; |
| 561 | } |
| 562 | add_exclude_file(&exclude_list, arg, XFLG_FATAL_ERRORS |
| 563 | | (opt == OPT_INCLUDE_FROM |
| 564 | ? XFLG_DEF_INCLUDE : 0)); |
| 565 | break; |
| 566 | |
| 567 | case 'h': |
| 568 | usage(FINFO); |
| 569 | exit_cleanup(0); |
| 570 | |
| 571 | case 'v': |
| 572 | verbose++; |
| 573 | break; |
| 574 | |
| 575 | case 'q': |
| 576 | if (frommain) |
| 577 | quiet++; |
| 578 | break; |
| 579 | |
| 580 | case OPT_SENDER: |
| 581 | if (!am_server) { |
| 582 | usage(FERROR); |
| 583 | exit_cleanup(RERR_SYNTAX); |
| 584 | } |
| 585 | am_sender = 1; |
| 586 | break; |
| 587 | |
| 588 | case 'P': |
| 589 | do_progress = 1; |
| 590 | keep_partial = 1; |
| 591 | break; |
| 592 | |
| 593 | case OPT_WRITE_BATCH: |
| 594 | /* batch_name is already set */ |
| 595 | write_batch = 1; |
| 596 | break; |
| 597 | |
| 598 | case OPT_READ_BATCH: |
| 599 | /* batch_name is already set */ |
| 600 | read_batch = 1; |
| 601 | break; |
| 602 | |
| 603 | case OPT_TIMEOUT: |
| 604 | if (io_timeout && io_timeout < select_timeout) |
| 605 | select_timeout = io_timeout; |
| 606 | break; |
| 607 | |
| 608 | case OPT_LINK_DEST: |
| 609 | #if HAVE_LINK |
| 610 | link_dest = 1; |
| 611 | break; |
| 612 | #else |
| 613 | snprintf(err_buf, sizeof err_buf, |
| 614 | "hard links are not supported on this %s\n", |
| 615 | am_server ? "server" : "client"); |
| 616 | return 0; |
| 617 | #endif |
| 618 | |
| 619 | default: |
| 620 | /* A large opt value means that set_refuse_options() |
| 621 | * turned this option off (opt-BASE is its index). */ |
| 622 | if (opt >= OPT_REFUSED_BASE) { |
| 623 | struct poptOption *op = |
| 624 | &long_options[opt-OPT_REFUSED_BASE]; |
| 625 | int n = snprintf(err_buf, sizeof err_buf, |
| 626 | "This server does not support --%s\n", |
| 627 | op->longName) - 1; |
| 628 | if (op->shortName) { |
| 629 | snprintf(err_buf+n, sizeof err_buf-n, |
| 630 | " (-%c)\n", op->shortName); |
| 631 | } |
| 632 | } else { |
| 633 | snprintf(err_buf, sizeof err_buf, |
| 634 | "%s%s: %s\n", |
| 635 | am_server ? "on remote machine: " : "", |
| 636 | poptBadOption(pc, POPT_BADOPTION_NOALIAS), |
| 637 | poptStrerror(opt)); |
| 638 | } |
| 639 | return 0; |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | #if !SUPPORT_LINKS |
| 644 | if (preserve_links && !am_sender) { |
| 645 | snprintf(err_buf, sizeof err_buf, |
| 646 | "symlinks are not supported on this %s\n", |
| 647 | am_server ? "server" : "client"); |
| 648 | return 0; |
| 649 | } |
| 650 | #endif |
| 651 | |
| 652 | #if !SUPPORT_HARD_LINKS |
| 653 | if (preserve_hard_links) { |
| 654 | snprintf(err_buf, sizeof err_buf, |
| 655 | "hard links are not supported on this %s\n", |
| 656 | am_server ? "server" : "client"); |
| 657 | return 0; |
| 658 | } |
| 659 | #endif |
| 660 | |
| 661 | if (write_batch && read_batch) { |
| 662 | snprintf(err_buf, sizeof err_buf, |
| 663 | "--write-batch and --read-batch can not be used together\n"); |
| 664 | return 0; |
| 665 | } |
| 666 | if (write_batch || read_batch) { |
| 667 | if (dry_run) { |
| 668 | snprintf(err_buf, sizeof err_buf, |
| 669 | "--%s-batch cannot be used with --dry_run (-n)\n", |
| 670 | write_batch ? "write" : "read"); |
| 671 | return 0; |
| 672 | } |
| 673 | if (am_server) { |
| 674 | rprintf(FINFO, |
| 675 | "ignoring --%s-batch option sent to server\n", |
| 676 | write_batch ? "write" : "read"); |
| 677 | /* We don't actually exit_cleanup(), so that we can |
| 678 | * still service older version clients that still send |
| 679 | * batch args to server. */ |
| 680 | read_batch = write_batch = 0; |
| 681 | batch_name = NULL; |
| 682 | } |
| 683 | } |
| 684 | if (read_batch && files_from) { |
| 685 | snprintf(err_buf, sizeof err_buf, |
| 686 | "--read-batch cannot be used with --files-from\n"); |
| 687 | return 0; |
| 688 | } |
| 689 | if (batch_name && strlen(batch_name) > MAX_BATCH_NAME_LEN) { |
| 690 | snprintf(err_buf, sizeof err_buf, |
| 691 | "the batch-file name must be %d characters or less.\n", |
| 692 | MAX_BATCH_NAME_LEN); |
| 693 | return 0; |
| 694 | } |
| 695 | |
| 696 | if (tmpdir && strlen(tmpdir) >= MAXPATHLEN - 10) { |
| 697 | snprintf(err_buf, sizeof err_buf, |
| 698 | "the --temp-dir path is WAY too long.\n"); |
| 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | if (archive_mode) { |
| 703 | if (!files_from) |
| 704 | recurse = 1; |
| 705 | #if SUPPORT_LINKS |
| 706 | preserve_links = 1; |
| 707 | #endif |
| 708 | preserve_perms = 1; |
| 709 | preserve_times = 1; |
| 710 | preserve_gid = 1; |
| 711 | preserve_uid = 1; |
| 712 | preserve_devices = 1; |
| 713 | } |
| 714 | |
| 715 | if (relative_paths < 0) |
| 716 | relative_paths = files_from? 1 : 0; |
| 717 | |
| 718 | *argv = poptGetArgs(pc); |
| 719 | if (*argv) |
| 720 | *argc = count_args(*argv); |
| 721 | else |
| 722 | *argc = 0; |
| 723 | |
| 724 | if (sanitize_paths) { |
| 725 | int i; |
| 726 | for (i = *argc; i-- > 0; ) |
| 727 | (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0); |
| 728 | if (tmpdir) |
| 729 | tmpdir = sanitize_path(NULL, tmpdir, NULL, 0); |
| 730 | if (partial_dir) |
| 731 | partial_dir = sanitize_path(NULL, partial_dir, NULL, 0); |
| 732 | if (compare_dest) |
| 733 | compare_dest = sanitize_path(NULL, compare_dest, NULL, 0); |
| 734 | if (backup_dir) |
| 735 | backup_dir = sanitize_path(NULL, backup_dir, NULL, 0); |
| 736 | if (files_from) |
| 737 | files_from = sanitize_path(NULL, files_from, NULL, 0); |
| 738 | } |
| 739 | if (server_exclude_list.head && !am_sender) { |
| 740 | struct exclude_list_struct *elp = &server_exclude_list; |
| 741 | if (tmpdir) { |
| 742 | clean_fname(tmpdir, 1); |
| 743 | if (check_exclude(elp, tmpdir, 1) < 0) |
| 744 | goto options_rejected; |
| 745 | } |
| 746 | if (partial_dir) { |
| 747 | clean_fname(partial_dir, 1); |
| 748 | if (check_exclude(elp, partial_dir, 1) < 0) |
| 749 | goto options_rejected; |
| 750 | } |
| 751 | if (compare_dest) { |
| 752 | clean_fname(compare_dest, 1); |
| 753 | if (check_exclude(elp, compare_dest, 1) < 0) |
| 754 | goto options_rejected; |
| 755 | } |
| 756 | if (backup_dir) { |
| 757 | clean_fname(backup_dir, 1); |
| 758 | if (check_exclude(elp, backup_dir, 1) < 0) |
| 759 | goto options_rejected; |
| 760 | } |
| 761 | } |
| 762 | if (server_exclude_list.head && files_from) { |
| 763 | clean_fname(files_from, 1); |
| 764 | if (check_exclude(&server_exclude_list, files_from, 0) < 0) { |
| 765 | options_rejected: |
| 766 | snprintf(err_buf, sizeof err_buf, |
| 767 | "Your options have been rejected by the server.\n"); |
| 768 | return 0; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | if (daemon_opt) { |
| 773 | daemon_opt = 0; |
| 774 | am_daemon = 1; |
| 775 | return 1; |
| 776 | } |
| 777 | |
| 778 | if (!backup_suffix) |
| 779 | backup_suffix = backup_dir ? "" : BACKUP_SUFFIX; |
| 780 | backup_suffix_len = strlen(backup_suffix); |
| 781 | if (strchr(backup_suffix, '/') != NULL) { |
| 782 | snprintf(err_buf, sizeof err_buf, |
| 783 | "--suffix cannot contain slashes: %s\n", |
| 784 | backup_suffix); |
| 785 | return 0; |
| 786 | } |
| 787 | if (backup_dir) { |
| 788 | backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf); |
| 789 | backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len; |
| 790 | if (backup_dir_remainder < 32) { |
| 791 | snprintf(err_buf, sizeof err_buf, |
| 792 | "the --backup-dir path is WAY too long.\n"); |
| 793 | return 0; |
| 794 | } |
| 795 | if (backup_dir_buf[backup_dir_len - 1] != '/') { |
| 796 | backup_dir_buf[backup_dir_len++] = '/'; |
| 797 | backup_dir_buf[backup_dir_len] = '\0'; |
| 798 | } |
| 799 | if (verbose > 1 && !am_sender) |
| 800 | rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf); |
| 801 | } else if (!backup_suffix_len && (!am_server || !am_sender)) { |
| 802 | snprintf(err_buf, sizeof err_buf, |
| 803 | "--suffix cannot be a null string without --backup-dir\n"); |
| 804 | return 0; |
| 805 | } |
| 806 | |
| 807 | if (do_progress && !verbose) |
| 808 | verbose = 1; |
| 809 | |
| 810 | if (bwlimit) { |
| 811 | bwlimit_writemax = (size_t)bwlimit * 128; |
| 812 | if (bwlimit_writemax < 512) |
| 813 | bwlimit_writemax = 512; |
| 814 | } |
| 815 | |
| 816 | if (inplace) { |
| 817 | #if HAVE_FTRUNCATE |
| 818 | if (partial_dir) { |
| 819 | snprintf(err_buf, sizeof err_buf, |
| 820 | "--inplace cannot be used with --partial-dir\n"); |
| 821 | return 0; |
| 822 | } |
| 823 | keep_partial = 0; |
| 824 | #else |
| 825 | snprintf(err_buf, sizeof err_buf, |
| 826 | "--inplace is not supported on this %s\n", |
| 827 | am_server ? "server" : "client"); |
| 828 | return 0; |
| 829 | #endif |
| 830 | if (compare_dest) { |
| 831 | snprintf(err_buf, sizeof err_buf, |
| 832 | "--inplace does not yet work with %s\n", |
| 833 | link_dest ? "--link-dest" : "--compare-dest"); |
| 834 | return 0; |
| 835 | } |
| 836 | } else if (partial_dir) { |
| 837 | if (strcmp(partial_dir, ".") == 0) |
| 838 | partial_dir = NULL; |
| 839 | keep_partial = 1; |
| 840 | } |
| 841 | |
| 842 | if (files_from) { |
| 843 | char *colon; |
| 844 | if (*argc > 2 || (!am_daemon && *argc == 1)) { |
| 845 | usage(FERROR); |
| 846 | exit_cleanup(RERR_SYNTAX); |
| 847 | } |
| 848 | if (strcmp(files_from, "-") == 0) { |
| 849 | filesfrom_fd = 0; |
| 850 | if (am_server) |
| 851 | remote_filesfrom_file = "-"; |
| 852 | } |
| 853 | else if ((colon = find_colon(files_from)) != 0) { |
| 854 | if (am_server) { |
| 855 | usage(FERROR); |
| 856 | exit_cleanup(RERR_SYNTAX); |
| 857 | } |
| 858 | remote_filesfrom_file = colon+1 + (colon[1] == ':'); |
| 859 | if (strcmp(remote_filesfrom_file, "-") == 0) { |
| 860 | snprintf(err_buf, sizeof err_buf, |
| 861 | "Invalid --files-from remote filename\n"); |
| 862 | return 0; |
| 863 | } |
| 864 | } else { |
| 865 | filesfrom_fd = open(files_from, O_RDONLY|O_BINARY); |
| 866 | if (filesfrom_fd < 0) { |
| 867 | snprintf(err_buf, sizeof err_buf, |
| 868 | "failed to open files-from file %s: %s\n", |
| 869 | files_from, strerror(errno)); |
| 870 | return 0; |
| 871 | } |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | return 1; |
| 876 | } |
| 877 | |
| 878 | |
| 879 | /** |
| 880 | * Construct a filtered list of options to pass through from the |
| 881 | * client to the server. |
| 882 | * |
| 883 | * This involves setting options that will tell the server how to |
| 884 | * behave, and also filtering out options that are processed only |
| 885 | * locally. |
| 886 | **/ |
| 887 | void server_options(char **args,int *argc) |
| 888 | { |
| 889 | int ac = *argc; |
| 890 | static char argstr[50]; |
| 891 | char *arg; |
| 892 | |
| 893 | int i, x; |
| 894 | |
| 895 | if (blocking_io == -1) |
| 896 | blocking_io = 0; |
| 897 | |
| 898 | args[ac++] = "--server"; |
| 899 | |
| 900 | if (daemon_over_rsh) { |
| 901 | args[ac++] = "--daemon"; |
| 902 | *argc = ac; |
| 903 | /* if we're passing --daemon, we're done */ |
| 904 | return; |
| 905 | } |
| 906 | |
| 907 | if (!am_sender) |
| 908 | args[ac++] = "--sender"; |
| 909 | |
| 910 | x = 1; |
| 911 | argstr[0] = '-'; |
| 912 | for (i = 0; i < verbose; i++) |
| 913 | argstr[x++] = 'v'; |
| 914 | |
| 915 | /* the -q option is intentionally left out */ |
| 916 | if (make_backups) |
| 917 | argstr[x++] = 'b'; |
| 918 | if (update_only) |
| 919 | argstr[x++] = 'u'; |
| 920 | if (dry_run) |
| 921 | argstr[x++] = 'n'; |
| 922 | if (preserve_links) |
| 923 | argstr[x++] = 'l'; |
| 924 | if (copy_links) |
| 925 | argstr[x++] = 'L'; |
| 926 | if (keep_dirlinks && am_sender) |
| 927 | argstr[x++] = 'K'; |
| 928 | |
| 929 | if (whole_file > 0) |
| 930 | argstr[x++] = 'W'; |
| 931 | /* We don't need to send --no-whole-file, because it's the |
| 932 | * default for remote transfers, and in any case old versions |
| 933 | * of rsync will not understand it. */ |
| 934 | |
| 935 | if (preserve_hard_links) |
| 936 | argstr[x++] = 'H'; |
| 937 | if (preserve_uid) |
| 938 | argstr[x++] = 'o'; |
| 939 | if (preserve_gid) |
| 940 | argstr[x++] = 'g'; |
| 941 | if (preserve_devices) |
| 942 | argstr[x++] = 'D'; |
| 943 | if (preserve_times) |
| 944 | argstr[x++] = 't'; |
| 945 | if (preserve_perms) |
| 946 | argstr[x++] = 'p'; |
| 947 | if (recurse) |
| 948 | argstr[x++] = 'r'; |
| 949 | if (always_checksum) |
| 950 | argstr[x++] = 'c'; |
| 951 | if (cvs_exclude) |
| 952 | argstr[x++] = 'C'; |
| 953 | if (ignore_times) |
| 954 | argstr[x++] = 'I'; |
| 955 | if (relative_paths) |
| 956 | argstr[x++] = 'R'; |
| 957 | if (one_file_system) |
| 958 | argstr[x++] = 'x'; |
| 959 | if (sparse_files) |
| 960 | argstr[x++] = 'S'; |
| 961 | if (do_compression) |
| 962 | argstr[x++] = 'z'; |
| 963 | |
| 964 | /* this is a complete hack - blame Rusty |
| 965 | |
| 966 | this is a hack to make the list_only (remote file list) |
| 967 | more useful */ |
| 968 | if (list_only && !recurse) |
| 969 | argstr[x++] = 'r'; |
| 970 | |
| 971 | argstr[x] = 0; |
| 972 | |
| 973 | if (x != 1) |
| 974 | args[ac++] = argstr; |
| 975 | |
| 976 | if (block_size) { |
| 977 | if (asprintf(&arg, "-B%u", block_size) < 0) |
| 978 | goto oom; |
| 979 | args[ac++] = arg; |
| 980 | } |
| 981 | |
| 982 | if (max_delete && am_sender) { |
| 983 | if (asprintf(&arg, "--max-delete=%d", max_delete) < 0) |
| 984 | goto oom; |
| 985 | args[ac++] = arg; |
| 986 | } |
| 987 | |
| 988 | if (io_timeout) { |
| 989 | if (asprintf(&arg, "--timeout=%d", io_timeout) < 0) |
| 990 | goto oom; |
| 991 | args[ac++] = arg; |
| 992 | } |
| 993 | |
| 994 | if (bwlimit) { |
| 995 | if (asprintf(&arg, "--bwlimit=%d", bwlimit) < 0) |
| 996 | goto oom; |
| 997 | args[ac++] = arg; |
| 998 | } |
| 999 | |
| 1000 | if (backup_dir) { |
| 1001 | args[ac++] = "--backup-dir"; |
| 1002 | args[ac++] = backup_dir; |
| 1003 | } |
| 1004 | |
| 1005 | /* Only send --suffix if it specifies a non-default value. */ |
| 1006 | if (strcmp(backup_suffix, backup_dir ? "" : BACKUP_SUFFIX) != 0) { |
| 1007 | /* We use the following syntax to avoid weirdness with '~'. */ |
| 1008 | if (asprintf(&arg, "--suffix=%s", backup_suffix) < 0) |
| 1009 | goto oom; |
| 1010 | args[ac++] = arg; |
| 1011 | } |
| 1012 | |
| 1013 | if (am_sender) { |
| 1014 | if (delete_excluded) |
| 1015 | args[ac++] = "--delete-excluded"; |
| 1016 | else if (delete_mode |
| 1017 | && (!delete_after || protocol_version < 27)) |
| 1018 | args[ac++] = "--delete"; |
| 1019 | |
| 1020 | if (delete_after) |
| 1021 | args[ac++] = "--delete-after"; |
| 1022 | |
| 1023 | if (force_delete) |
| 1024 | args[ac++] = "--force"; |
| 1025 | } |
| 1026 | |
| 1027 | if (size_only) |
| 1028 | args[ac++] = "--size-only"; |
| 1029 | |
| 1030 | if (modify_window_set) { |
| 1031 | if (asprintf(&arg, "--modify-window=%d", modify_window) < 0) |
| 1032 | goto oom; |
| 1033 | args[ac++] = arg; |
| 1034 | } |
| 1035 | |
| 1036 | if (checksum_seed) { |
| 1037 | if (asprintf(&arg, "--checksum-seed=%d", checksum_seed) < 0) |
| 1038 | goto oom; |
| 1039 | args[ac++] = arg; |
| 1040 | } |
| 1041 | |
| 1042 | if (partial_dir && am_sender) { |
| 1043 | args[ac++] = "--partial-dir"; |
| 1044 | args[ac++] = partial_dir; |
| 1045 | } else if (keep_partial) |
| 1046 | args[ac++] = "--partial"; |
| 1047 | |
| 1048 | if (ignore_errors) |
| 1049 | args[ac++] = "--ignore-errors"; |
| 1050 | |
| 1051 | if (copy_unsafe_links) |
| 1052 | args[ac++] = "--copy-unsafe-links"; |
| 1053 | |
| 1054 | if (safe_symlinks) |
| 1055 | args[ac++] = "--safe-links"; |
| 1056 | |
| 1057 | if (numeric_ids) |
| 1058 | args[ac++] = "--numeric-ids"; |
| 1059 | |
| 1060 | if (only_existing && am_sender) |
| 1061 | args[ac++] = "--existing"; |
| 1062 | |
| 1063 | if (opt_ignore_existing && am_sender) |
| 1064 | args[ac++] = "--ignore-existing"; |
| 1065 | |
| 1066 | if (inplace) |
| 1067 | args[ac++] = "--inplace"; |
| 1068 | |
| 1069 | if (tmpdir) { |
| 1070 | args[ac++] = "--temp-dir"; |
| 1071 | args[ac++] = tmpdir; |
| 1072 | } |
| 1073 | |
| 1074 | if (compare_dest && am_sender) { |
| 1075 | /* the server only needs this option if it is not the sender, |
| 1076 | * and it may be an older version that doesn't know this |
| 1077 | * option, so don't send it if client is the sender. |
| 1078 | */ |
| 1079 | args[ac++] = link_dest ? "--link-dest" : "--compare-dest"; |
| 1080 | args[ac++] = compare_dest; |
| 1081 | } |
| 1082 | |
| 1083 | if (files_from && (!am_sender || remote_filesfrom_file)) { |
| 1084 | if (remote_filesfrom_file) { |
| 1085 | args[ac++] = "--files-from"; |
| 1086 | args[ac++] = remote_filesfrom_file; |
| 1087 | if (eol_nulls) |
| 1088 | args[ac++] = "--from0"; |
| 1089 | } else { |
| 1090 | args[ac++] = "--files-from=-"; |
| 1091 | args[ac++] = "--from0"; |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | *argc = ac; |
| 1096 | return; |
| 1097 | |
| 1098 | oom: |
| 1099 | out_of_memory("server_options"); |
| 1100 | } |
| 1101 | |
| 1102 | /** |
| 1103 | * Return the position of a ':' IF it is not part of a filename (i.e. as |
| 1104 | * long as it doesn't occur after a slash. |
| 1105 | */ |
| 1106 | char *find_colon(char *s) |
| 1107 | { |
| 1108 | char *p, *p2; |
| 1109 | |
| 1110 | p = strchr(s,':'); |
| 1111 | if (!p) |
| 1112 | return NULL; |
| 1113 | |
| 1114 | /* now check to see if there is a / in the string before the : - if there is then |
| 1115 | discard the colon on the assumption that the : is part of a filename */ |
| 1116 | p2 = strchr(s,'/'); |
| 1117 | if (p2 && p2 < p) |
| 1118 | return NULL; |
| 1119 | |
| 1120 | return p; |
| 1121 | } |