- fprintf(f,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
- VERSION);
- fprintf(f,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
- fprintf(f,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
- fprintf(f,"Options:\n");
- fprintf(f,"-v, --verbose increase verbosity\n");
- fprintf(f,"-c, --checksum always checksum\n");
- fprintf(f,"-a, --archive archive mode (same as -rlptDog)\n");
- fprintf(f,"-r, --recursive recurse into directories\n");
- fprintf(f,"-R, --relative use relative path names\n");
- fprintf(f,"-b, --backup make backups (default ~ extension)\n");
- fprintf(f,"-u, --update update only (don't overwrite newer files)\n");
- fprintf(f,"-l, --links preserve soft links\n");
- fprintf(f,"-L, --copy-links treat soft links like regular files\n");
- fprintf(f,"-H, --hard-links preserve hard links\n");
- fprintf(f,"-p, --perms preserve permissions\n");
- fprintf(f,"-o, --owner preserve owner (root only)\n");
- fprintf(f,"-g, --group preserve group\n");
- fprintf(f,"-D, --devices preserve devices (root only)\n");
- fprintf(f,"-t, --times preserve times\n");
- fprintf(f,"-S, --sparse handle sparse files efficiently\n");
- fprintf(f,"-n, --dry-run show what would have been transferred\n");
- fprintf(f,"-W, --whole-file copy whole files, no incremental checks\n");
- fprintf(f,"-x, --one-file-system don't cross filesystem boundaries\n");
- fprintf(f,"-B, --block-size SIZE checksum blocking size\n");
- fprintf(f,"-e, --rsh COMMAND specify rsh replacement\n");
- fprintf(f," --rsync-path PATH specify path to rsync on the remote machine\n");
- fprintf(f,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
- fprintf(f," --delete delete files that don't exist on the sending side\n");
- fprintf(f," --force force deletion of directories even if not empty\n");
- fprintf(f," --numeric-ids don't map uid/gid values by user/group name\n");
- fprintf(f," --timeout TIME set IO timeout in seconds\n");
- fprintf(f,"-I, --ignore-times don't exclude files that match length and time\n");
- fprintf(f,"-T --temp-dir DIR create temporary files in directory DIR\n");
- fprintf(f,"-z, --compress compress file data\n");
- fprintf(f," --exclude FILE exclude file FILE\n");
- fprintf(f," --exclude-from FILE exclude files listed in FILE\n");
- fprintf(f," --suffix SUFFIX override backup suffix\n");
- fprintf(f," --version print version number\n");
-
- fprintf(f,"\n");
- fprintf(f,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
- fprintf(f,"the block size defaults to %d\n",BLOCK_SIZE);
+ char *p, *shell_machine = NULL, *shell_user = NULL;
+ char **remote_argv;
+ int remote_argc;
+ int f_in, f_out;
+ int ret;
+ pid_t pid;
+
+ /* Don't clobber argv[] so that ps(1) can still show the right
+ * command line. */
+ if ((ret = copy_argv(argv)) != 0)
+ return ret;
+
+ if (!read_batch) { /* for read_batch, NO source is specified */
+ char *path = check_for_hostspec(argv[0], &shell_machine, &rsync_port);
+ if (path) { /* source is remote */
+ char *dummy_host;
+ int dummy_port = 0;
+ *argv = path;
+ remote_argv = argv;
+ remote_argc = argc;
+ argv += argc - 1;
+ if (argc == 1 || **argv == ':')
+ argc = 0; /* no dest arg */
+ else if (check_for_hostspec(*argv, &dummy_host, &dummy_port)) {
+ rprintf(FERROR,
+ "The source and destination cannot both be remote.\n");
+ exit_cleanup(RERR_SYNTAX);
+ } else {
+ remote_argc--; /* don't count dest */
+ argc = 1;
+ }
+ if (filesfrom_host && *filesfrom_host
+ && strcmp(filesfrom_host, shell_machine) != 0) {
+ rprintf(FERROR,
+ "--files-from hostname is not the same as the transfer hostname\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ am_sender = 0;
+ if (rsync_port)
+ daemon_over_rsh = shell_cmd ? 1 : -1;
+ } else { /* source is local, check dest arg */
+ am_sender = 1;
+
+ if (argc > 1) {
+ p = argv[--argc];
+ remote_argv = argv + argc;
+ } else {
+ static char *dotarg[1] = { "." };
+ p = dotarg[0];
+ remote_argv = dotarg;
+ }
+ remote_argc = 1;
+
+ path = check_for_hostspec(p, &shell_machine, &rsync_port);
+ if (path && filesfrom_host && *filesfrom_host
+ && strcmp(filesfrom_host, shell_machine) != 0) {
+ rprintf(FERROR,
+ "--files-from hostname is not the same as the transfer hostname\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (!path) { /* no hostspec found, so src & dest are local */
+ local_server = 1;
+ if (filesfrom_host) {
+ rprintf(FERROR,
+ "--files-from cannot be remote when the transfer is local\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ shell_machine = NULL;
+ } else { /* hostspec was found, so dest is remote */
+ argv[argc] = path;
+ if (rsync_port)
+ daemon_over_rsh = shell_cmd ? 1 : -1;
+ }
+ }
+ } else { /* read_batch */
+ local_server = 1;
+ if (check_for_hostspec(argv[argc-1], &shell_machine, &rsync_port)) {
+ rprintf(FERROR, "remote destination is not allowed with --read-batch\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ remote_argv = argv += argc - 1;
+ remote_argc = argc = 1;
+ }
+
+ if (am_sender) {
+ char *dummy_host;
+ int dummy_port = rsync_port;
+ int i;
+ /* For local source, extra source args must not have hostspec. */
+ for (i = 1; i < argc; i++) {
+ if (check_for_hostspec(argv[i], &dummy_host, &dummy_port)) {
+ rprintf(FERROR, "Unexpected remote arg: %s\n", argv[i]);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
+ } else {
+ char *dummy_host;
+ int dummy_port = rsync_port;
+ int i;
+ /* For remote source, any extra source args must have either
+ * the same hostname or an empty hostname. */
+ for (i = 1; i < remote_argc; i++) {
+ char *arg = check_for_hostspec(remote_argv[i], &dummy_host, &dummy_port);
+ if (!arg) {
+ rprintf(FERROR, "Unexpected local arg: %s\n", remote_argv[i]);
+ rprintf(FERROR, "If arg is a remote file/dir, prefix it with a colon (:).\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (*dummy_host && strcmp(dummy_host, shell_machine) != 0) {
+ rprintf(FERROR, "All source args must come from the same machine.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (rsync_port != dummy_port) {
+ if (!rsync_port || !dummy_port)
+ rprintf(FERROR, "All source args must use the same hostspec format.\n");
+ else
+ rprintf(FERROR, "All source args must use the same port number.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ remote_argv[i] = arg;
+ }
+ }
+
+ if (daemon_over_rsh < 0)
+ return start_socket_client(shell_machine, remote_argc, remote_argv, argc, argv);
+
+ if (password_file && !daemon_over_rsh) {
+ rprintf(FERROR, "The --password-file option may only be "
+ "used when accessing an rsync daemon.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (connect_timeout) {
+ rprintf(FERROR, "The --contimeout option may only be "
+ "used when connecting to an rsync daemon.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (shell_machine) {
+ p = strrchr(shell_machine,'@');
+ if (p) {
+ *p = 0;
+ shell_user = shell_machine;
+ shell_machine = p+1;
+ }
+ }
+
+ if (DEBUG_GTE(CMD, 2)) {
+ rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
+ NS(shell_cmd), NS(shell_machine), NS(shell_user),
+ remote_argv ? NS(remote_argv[0]) : "");
+ }
+
+ pid = do_cmd(shell_cmd, shell_machine, shell_user, remote_argv, remote_argc,
+ &f_in, &f_out);
+
+ /* if we're running an rsync server on the remote host over a
+ * remote shell command, we need to do the RSYNCD protocol first */
+ if (daemon_over_rsh) {
+ int tmpret;
+ tmpret = start_inband_exchange(f_in, f_out, shell_user, remote_argc, remote_argv);
+ if (tmpret < 0)
+ return tmpret;
+ }
+
+ ret = client_run(f_in, f_out, pid, argc, argv);
+
+ fflush(stdout);
+ fflush(stderr);
+
+ return ret;