- 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 (verbose > 2)
- fprintf(FINFO, "local_version=%d remote_version=%d\n",
- PROTOCOL_VERSION, remote_version);
-
- 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 (append_mode == 1)
+ append_mode = 2;
+ 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);
+ }