- if (am_server) {
- remote_version = read_int(f_in);
- write_int(f_out,PROTOCOL_VERSION);
- write_flush(f_out);
- } else {
- write_int(f_out,PROTOCOL_VERSION);
- write_flush(f_out);
- remote_version = read_int(f_in);
- }
-
- if (remote_version < MIN_PROTOCOL_VERSION ||
- remote_version > MAX_PROTOCOL_VERSION) {
- fprintf(FERROR,"protocol version mismatch - is your shell clean?\n");
- exit_cleanup(1);
- }
-
- if (remote_version == 10) {
- send_file_entry = send_file_entry_v10;
- receive_file_entry = receive_file_entry_v10;
- } else {
- send_file_entry = send_file_entry_v11;
- receive_file_entry = receive_file_entry_v11;
- }
-
- if (remote_version >= 12) {
- if (am_server) {
- checksum_seed = time(NULL);
- write_int(f_out,checksum_seed);
- } else {
- checksum_seed = read_int(f_in);
- }
- }
-
- checksum_init();
+ if (am_sender)
+ file_extra_cnt += PTR_EXTRA_LEN;
+ else
+ file_extra_cnt++;
+ if (preserve_uid)
+ uid_ndx = ++file_extra_cnt;
+ if (preserve_gid)
+ gid_ndx = ++file_extra_cnt;
+ if (preserve_acls && !am_sender)
+ acls_ndx = ++file_extra_cnt;
+ if (preserve_xattrs)
+ xattrs_ndx = ++file_extra_cnt;
+
+ if (remote_protocol == 0) {
+ if (am_server && !local_server)
+ check_sub_protocol();
+ if (!read_batch)
+ write_int(f_out, protocol_version);
+ remote_protocol = read_int(f_in);
+ if (protocol_version > remote_protocol)
+ protocol_version = remote_protocol;
+ }
+ if (read_batch && remote_protocol > protocol_version) {
+ rprintf(FERROR, "The protocol version in the batch file is too new (%d > %d).\n",
+ remote_protocol, protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+
+ if (verbose > 3) {
+ rprintf(FINFO, "(%s) Protocol versions: remote=%d, negotiated=%d\n",
+ am_server? "Server" : "Client", remote_protocol, protocol_version);
+ }
+ if (remote_protocol < MIN_PROTOCOL_VERSION
+ || remote_protocol > MAX_PROTOCOL_VERSION) {
+ rprintf(FERROR,"protocol version mismatch -- is your shell clean?\n");
+ rprintf(FERROR,"(see the rsync man page for an explanation)\n");
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (remote_protocol < OLD_PROTOCOL_VERSION) {
+ rprintf(FINFO,"%s is very old version of rsync, upgrade recommended.\n",
+ am_server? "Client" : "Server");
+ }
+ if (protocol_version < MIN_PROTOCOL_VERSION) {
+ rprintf(FERROR, "--protocol must be at least %d on the %s.\n",
+ MIN_PROTOCOL_VERSION, am_server? "Server" : "Client");
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (protocol_version > PROTOCOL_VERSION) {
+ rprintf(FERROR, "--protocol must be no more than %d on the %s.\n",
+ PROTOCOL_VERSION, am_server? "Server" : "Client");
+ exit_cleanup(RERR_PROTOCOL);
+ }
+
+ if (protocol_version < 30) {
+ if (preserve_acls && !local_server) {
+ rprintf(FERROR,
+ "--acls requires protocol 30 or higher"
+ " (negotiated %d).\n",
+ protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (preserve_xattrs && !local_server) {
+ rprintf(FERROR,
+ "--xattrs requires protocol 30 or higher"
+ " (negotiated %d).\n",
+ protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ }
+
+ if (delete_mode && !(delete_before+delete_during+delete_after)) {
+ if (protocol_version < 30)
+ delete_before = 1;
+ else
+ delete_during = 1;
+ }
+
+ if (protocol_version < 29) {
+ if (fuzzy_basis) {
+ rprintf(FERROR,
+ "--fuzzy requires protocol 29 or higher"
+ " (negotiated %d).\n",
+ protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+
+ if (basis_dir_cnt && inplace) {
+ rprintf(FERROR,
+ "%s with --inplace requires protocol 29 or higher"
+ " (negotiated %d).\n",
+ dest_option, protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+
+ if (basis_dir_cnt > 1) {
+ rprintf(FERROR,
+ "Using more than one %s option requires protocol"
+ " 29 or higher (negotiated %d).\n",
+ dest_option, protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+
+ if (prune_empty_dirs) {
+ rprintf(FERROR,
+ "--prune-empty-dirs requires protocol 29 or higher"
+ " (negotiated %d).\n",
+ protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ } else if (protocol_version >= 30) {
+ if (recurse && allow_inc_recurse && !preserve_hard_links
+ && !delete_before && !delete_after && !delay_updates
+ && (!relative_paths || implied_dirs) && !use_qsort
+ && !prune_empty_dirs)
+ inc_recurse = 1;
+ need_messages_from_generator = 1;
+ }
+
+ if (partial_dir && *partial_dir != '/' && (!am_server || local_server)) {
+ int flags = MATCHFLG_NO_PREFIXES | MATCHFLG_DIRECTORY;
+ if (!am_sender || protocol_version >= 30)
+ flags |= MATCHFLG_PERISHABLE;
+ parse_rule(&filter_list, partial_dir, flags, 0);
+ }
+
+ if (am_server) {
+ if (!checksum_seed)
+ checksum_seed = time(NULL);
+ write_int(f_out, checksum_seed);
+ } else {
+ checksum_seed = read_int(f_in);
+ }