/* -*- c-file-style: "linux" -*- Copyright (C) 1998-2001 by Andrew Tridgell Copyright (C) 2000-2001 by Martin Pool This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "rsync.h" #include "popt.h" int make_backups = 0; int whole_file = 0; int copy_links = 0; int preserve_links = 0; int preserve_hard_links = 0; int preserve_perms = 0; int preserve_devices = 0; int preserve_uid = 0; int preserve_gid = 0; int preserve_times = 0; int update_only = 0; int cvs_exclude = 0; int dry_run=0; int local_server=0; int ignore_times=0; int delete_mode=0; int delete_excluded=0; int one_file_system=0; int remote_version=0; int sparse_files=0; int do_compression=0; int am_root=0; int orig_umask=0; int relative_paths=0; int numeric_ids = 0; int force_delete = 0; int io_timeout = 0; int io_error = 0; int read_only = 0; int module_id = -1; int am_server = 0; int am_sender = 0; int recurse = 0; int am_daemon=0; int do_stats=0; int do_progress=0; int keep_partial=0; int safe_symlinks=0; int copy_unsafe_links=0; int block_size=BLOCK_SIZE; int size_only=0; int bwlimit=0; int delete_after=0; int only_existing=0; int max_delete=0; int ignore_errors=0; #ifdef _WIN32 int modify_window=2; #else int modify_window=0; #endif int blocking_io=0; /** Global options set from command line. **/ struct global_opts global_opts; int read_batch=0; /* dw */ int write_batch=0; /* dw */ char *backup_suffix = BACKUP_SUFFIX; char *tmpdir = NULL; char *compare_dest = NULL; char *config_file = RSYNCD_CONF; char *shell_cmd = NULL; char *log_format = NULL; char *password_file = NULL; char *rsync_path = RSYNC_PATH; char *backup_dir = NULL; int rsync_port = RSYNC_PORT; int verbose = 0; int quiet = 0; int always_checksum = 0; int list_only = 0; char *batch_ext = NULL; static int modify_window_set; /** Local address to bind. As a character string because it's * interpreted by the IPv6 layer: should be a numeric IP4 or ip6 * address, or a hostname. **/ char *bind_address; static void print_rsync_version(int f) { char const *got_socketpair = "no "; char const *hardlinks = "no "; char const *links = "no "; char const *ipv6 = "no "; #ifdef HAVE_SOCKETPAIR got_socketpair = ""; #endif #if SUPPORT_HARD_LINKS hardlinks = ""; #endif #if SUPPORT_LINKS links = ""; #endif #if INET6 ipv6 = ""; #endif rprintf(f, "%s version %s protocol version %d\n", RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION); rprintf(f, "Copyright (C) 1996-2001 by Andrew Tridgell and others\n"); rprintf(f, "\n"); rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, " "%shard links, %ssymlinks, batchfiles, %sIPv6\n\n", (int) (sizeof(OFF_T) * 8), got_socketpair, hardlinks, links, ipv6); #ifdef NO_INT64 rprintf(f, "WARNING: no 64-bit integers on this platform!\n"); #endif } void usage(enum logcode F) { print_rsync_version(F); rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n"); rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n"); rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n"); rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n"); rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n"); rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n"); rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n"); rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n"); rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n"); rprintf(F," sources separated by space as long as they have same top-level\n"); rprintf(F,"\nOptions\n"); rprintf(F," -v, --verbose increase verbosity\n"); rprintf(F," -q, --quiet decrease verbosity\n"); rprintf(F," -c, --checksum always checksum\n"); rprintf(F," -a, --archive archive mode\n"); rprintf(F," -r, --recursive recurse into directories\n"); rprintf(F," -R, --relative use relative path names\n"); rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX); rprintf(F," --backup-dir make backups into this directory\n"); rprintf(F," --suffix=SUFFIX override backup suffix\n"); rprintf(F," -u, --update update only (don't overwrite newer files)\n"); rprintf(F," -l, --links preserve soft links\n"); rprintf(F," -L, --copy-links treat soft links like regular files\n"); rprintf(F," --copy-unsafe-links copy links outside the source tree\n"); rprintf(F," --safe-links ignore links outside the destination tree\n"); rprintf(F," -H, --hard-links preserve hard links\n"); rprintf(F," -p, --perms preserve permissions\n"); rprintf(F," -o, --owner preserve owner (root only)\n"); rprintf(F," -g, --group preserve group\n"); rprintf(F," -D, --devices preserve devices (root only)\n"); rprintf(F," -t, --times preserve times\n"); rprintf(F," -S, --sparse handle sparse files efficiently\n"); rprintf(F," -n, --dry-run show what would have been transferred\n"); rprintf(F," -W, --whole-file copy whole files, no incremental checks\n"); rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n"); rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE); rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n"); rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n"); rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n"); rprintf(F," --existing only update files that already exist\n"); rprintf(F," --delete delete files that don't exist on the sending side\n"); rprintf(F," --delete-excluded also delete excluded files on the receiving side\n"); rprintf(F," --delete-after delete after transferring, not before\n"); rprintf(F," --ignore-errors delete even if there are IO errors\n"); rprintf(F," --max-delete=NUM don't delete more than NUM files\n"); rprintf(F," --partial keep partially transferred files\n"); rprintf(F," --force force deletion of directories even if not empty\n"); rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n"); rprintf(F," --timeout=TIME set IO timeout in seconds\n"); rprintf(F," -I, --ignore-times don't exclude files that match length and time\n"); rprintf(F," --size-only only use file size when determining if a file should be transferred\n"); rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window); rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n"); rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n"); rprintf(F," -P equivalent to --partial --progress\n"); rprintf(F," -z, --compress compress file data\n"); rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n"); rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n"); rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n"); rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n"); rprintf(F," --version print version number\n"); rprintf(F," --daemon run as a rsync daemon\n"); rprintf(F," --address bind to the specified address\n"); rprintf(F," --config=FILE specify alternate rsyncd.conf file\n"); rprintf(F," --port=PORT specify alternate rsyncd port number\n"); rprintf(F," --blocking-io use blocking IO for the remote shell\n"); rprintf(F," --stats give some file transfer stats\n"); rprintf(F," --progress show progress during transfer\n"); rprintf(F," --log-format=FORMAT log file transfers using specified format\n"); rprintf(F," --password-file=FILE get password from FILE\n"); rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n"); rprintf(F," -f --read-batch=EXT read batch file\n"); rprintf(F," -F --write-batch write batch file\n"); rprintf(F," -h, --help show this help screen\n"); #ifdef INET6 rprintf(F," -4 prefer IPv4\n"); rprintf(F," -6 prefer IPv6\n"); #endif rprintf(F,"\n"); rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n"); rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n"); } enum {OPT_VERSION = 1000, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE, OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS, OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT, OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS, OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST, OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS, OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR, OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO, OPT_MODIFY_WINDOW}; static struct poptOption long_options[] = { /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION}, {"suffix", 0, POPT_ARG_STRING, &backup_suffix}, {"rsync-path", 0, POPT_ARG_STRING, &rsync_path}, {"password-file", 0, POPT_ARG_STRING, &password_file}, {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times}, {"size-only", 0, POPT_ARG_NONE, &size_only}, {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW}, {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system}, {"delete", 0, POPT_ARG_NONE, &delete_mode}, {"existing", 0, POPT_ARG_NONE, &only_existing}, {"delete-after", 0, POPT_ARG_NONE, &delete_after}, {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED}, {"force", 0, POPT_ARG_NONE, &force_delete}, {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids}, {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE}, {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE}, {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM}, {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM}, {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks}, {"help", 'h', POPT_ARG_NONE, 0, 'h'}, {"backup", 'b', POPT_ARG_NONE, &make_backups}, {"dry-run", 'n', POPT_ARG_NONE, &dry_run}, {"sparse", 'S', POPT_ARG_NONE, &sparse_files}, {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude}, {"update", 'u', POPT_ARG_NONE, &update_only}, {"links", 'l', POPT_ARG_NONE, &preserve_links}, {"copy-links", 'L', POPT_ARG_NONE, ©_links}, {"whole", 'W', POPT_ARG_NONE, &whole_file}, {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links}, {"perms", 'p', POPT_ARG_NONE, &preserve_perms}, {"owner", 'o', POPT_ARG_NONE, &preserve_uid}, {"group", 'g', POPT_ARG_NONE, &preserve_gid}, {"devices", 'D', POPT_ARG_NONE, &preserve_devices}, {"times", 't', POPT_ARG_NONE, &preserve_times}, {"checksum", 'c', POPT_ARG_NONE, &always_checksum}, {"verbose", 'v', POPT_ARG_NONE, 0, 'v'}, {"quiet", 'q', POPT_ARG_NONE, 0, 'q'}, {"archive", 'a', POPT_ARG_NONE, 0, 'a'}, {"server", 0, POPT_ARG_NONE, &am_server}, {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER}, {"recursive", 'r', POPT_ARG_NONE, &recurse}, {"relative", 'R', POPT_ARG_NONE, &relative_paths}, {"rsh", 'e', POPT_ARG_STRING, &shell_cmd}, {"block-size", 'B', POPT_ARG_INT, &block_size}, {"max-delete", 0, POPT_ARG_INT, &max_delete}, {"timeout", 0, POPT_ARG_INT, &io_timeout}, {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir}, {"compare-dest", 0, POPT_ARG_STRING, &compare_dest}, /* TODO: Should this take an optional int giving the compression level? */ {"compress", 'z', POPT_ARG_NONE, &do_compression}, {"daemon", 0, POPT_ARG_NONE, &am_daemon}, {"stats", 0, POPT_ARG_NONE, &do_stats}, {"progress", 0, POPT_ARG_NONE, &do_progress}, {"partial", 0, POPT_ARG_NONE, &keep_partial}, {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors}, {"blocking-io", 0, POPT_ARG_NONE, &blocking_io}, {0, 'P', POPT_ARG_NONE, 0, 'P'}, {"config", 0, POPT_ARG_STRING, &config_file}, {"port", 0, POPT_ARG_INT, &rsync_port}, {"log-format", 0, POPT_ARG_STRING, &log_format}, {"bwlimit", 0, POPT_ARG_INT, &bwlimit}, {"address", 0, POPT_ARG_STRING, &bind_address, 0}, {"backup-dir", 0, POPT_ARG_STRING, &backup_dir}, {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links}, {"read-batch", 'f', POPT_ARG_STRING, &batch_ext, 'f'}, {"write-batch", 'F', POPT_ARG_NONE, &write_batch, 0}, #ifdef INET6 {0, '4', POPT_ARG_VAL, &global_opts.af_hint, AF_INET }, {0, '6', POPT_ARG_VAL, &global_opts.af_hint, AF_INET6 }, #endif {0,0,0,0} }; static char err_buf[100]; /* We store the option error message, if any, so that we can log the connection attempt (which requires parsing the options), and then show the error later on. */ void option_error(void) { if (err_buf[0]) { rprintf(FLOG, "%s", err_buf); rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf); } else { rprintf (FERROR, "Error parsing options: " "option may be supported on client but not on server?\n"); rprintf (FERROR, RSYNC_NAME ": Error parsing options: " "option may be supported on client but not on server?\n"); } } /* check to see if we should refuse this option */ static int check_refuse_options(char *ref, int opt) { int i, len; char *p; const char *name; for (i=0; long_options[i].longName; i++) { if (long_options[i].val == opt) break; } if (!long_options[i].longName) return 0; name = long_options[i].longName; len = strlen(name); while ((p = strstr(ref,name))) { if ((p==ref || p[-1]==' ') && (p[len] == ' ' || p[len] == 0)) { snprintf(err_buf,sizeof(err_buf), "The '%s' option is not supported by this server\n", name); return 1; } ref += len; } return 0; } static int count_args(char const **argv) { int i = 0; while (argv[i] != NULL) i++; return i; } /* Process command line arguments. Called on both local and remote. * Returns if all options are OK, otherwise fills in err_buf and * returns 0. */ int parse_arguments(int *argc, const char ***argv, int frommain) { int opt; char *ref = lp_refuse_options(module_id); poptContext pc; /* TODO: Call poptReadDefaultConfig; handle errors. */ /* The context leaks in case of an error, but if there's a * problem we always exit anyhow. */ pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0); while ((opt = poptGetNextOpt(pc)) != -1) { if (ref) { if (check_refuse_options(ref, opt)) return 0; } /* most options are handled automatically by popt; * only special cases are returned and listed here. */ switch (opt) { case OPT_VERSION: print_rsync_version(FINFO); exit_cleanup(0); case OPT_MODIFY_WINDOW: /* The value has already been set by popt, but * we need to remember that we're using a * non-default setting. */ modify_window_set = 1; break; case OPT_DELETE_EXCLUDED: delete_excluded = 1; delete_mode = 1; break; case OPT_EXCLUDE: add_exclude(poptGetOptArg(pc), 0); break; case OPT_INCLUDE: add_exclude(poptGetOptArg(pc), 1); break; case OPT_EXCLUDE_FROM: add_exclude_file(poptGetOptArg(pc), 1, 0); break; case OPT_INCLUDE_FROM: add_exclude_file(poptGetOptArg(pc), 1, 1); break; case 'h': usage(FINFO); exit_cleanup(0); case 'H': #if SUPPORT_HARD_LINKS preserve_hard_links=1; #else /* FIXME: Don't say "server" if this is * happening on the client. */ /* FIXME: Why do we have the duplicated * rprintf? Everybody who gets this message * ought to send it to the client and also to * the logs. */ snprintf(err_buf,sizeof(err_buf), "hard links are not supported on this %s\n", am_server ? "server" : "client"); rprintf(FERROR,"ERROR: hard links not supported on this platform\n"); return 0; #endif /* SUPPORT_HARD_LINKS */ break; case 'v': verbose++; break; case 'q': if (frommain) quiet++; break; case 'a': recurse=1; #if SUPPORT_LINKS preserve_links=1; #endif preserve_perms=1; preserve_times=1; preserve_gid=1; preserve_uid=1; preserve_devices=1; break; case OPT_SENDER: if (!am_server) { usage(FERROR); exit_cleanup(RERR_SYNTAX); } am_sender = 1; break; case 'P': do_progress = 1; keep_partial = 1; break; case 'f': /* The filename is stored for us by popt */ read_batch = 1; break; default: /* FIXME: If --daemon is specified, then errors for later * parameters seem to disappear. */ snprintf(err_buf, sizeof(err_buf), "%s%s: %s\n", am_server ? "on remote machine: " : "", poptBadOption(pc, POPT_BADOPTION_NOALIAS), poptStrerror(opt)); return 0; } } *argv = poptGetArgs(pc); if (*argv) *argc = count_args(*argv); else *argc = 0; return 1; } /* Construct a filtered list of options to pass through from the * client to the server */ void server_options(char **args,int *argc) { int ac = *argc; static char argstr[50]; static char bsize[30]; static char iotime[30]; static char mdelete[30]; static char mwindow[30]; static char bw[50]; static char fext[20]; /* dw */ int i, x; args[ac++] = "--server"; if (!am_sender) args[ac++] = "--sender"; x = 1; argstr[0] = '-'; for (i=0;i