2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * Compatibility routines for older rsync protocol versions.
30 extern int preserve_links;
31 extern int preserve_perms;
32 extern int preserve_devices;
33 extern int preserve_uid;
34 extern int preserve_gid;
35 extern int preserve_times;
36 extern int always_checksum;
37 extern int checksum_seed;
40 extern int remote_version;
43 extern int read_batch; /* dw */
44 extern int write_batch; /* dw */
46 void setup_protocol(int f_out,int f_in)
48 if (remote_version == 0) {
50 remote_version = read_int(f_in);
51 write_int(f_out,PROTOCOL_VERSION);
53 write_int(f_out,PROTOCOL_VERSION);
54 remote_version = read_int(f_in);
58 if (remote_version < MIN_PROTOCOL_VERSION ||
59 remote_version > MAX_PROTOCOL_VERSION) {
60 rprintf(FERROR,"protocol version mismatch - is your shell clean?\n");
61 rprintf(FERROR,"(see the rsync man page for an explanation)\n");
62 exit_cleanup(RERR_PROTOCOL);
65 if (remote_version >= 12) {
67 if (read_batch || write_batch) /* dw */
68 checksum_seed = 32761;
70 checksum_seed = time(NULL);
71 write_int(f_out,checksum_seed);
73 checksum_seed = read_int(f_in);