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.
20 /* compatability routines for older rsync protocol versions */
26 extern int csum_length;
28 extern int preserve_links;
29 extern int preserve_perms;
30 extern int preserve_devices;
31 extern int preserve_uid;
32 extern int preserve_gid;
33 extern int preserve_times;
34 extern int always_checksum;
35 extern int checksum_seed;
38 extern int remote_version;
41 void setup_protocol(int f_out,int f_in)
43 if (remote_version == 0) {
45 remote_version = read_int(f_in);
46 write_int(f_out,PROTOCOL_VERSION);
49 write_int(f_out,PROTOCOL_VERSION);
51 remote_version = read_int(f_in);
55 if (remote_version < MIN_PROTOCOL_VERSION ||
56 remote_version > MAX_PROTOCOL_VERSION) {
57 rprintf(FERROR,"protocol version mismatch - is your shell clean?\n");
62 rprintf(FINFO, "local_version=%d remote_version=%d\n",
63 PROTOCOL_VERSION, remote_version);
65 if (remote_version >= 12) {
67 checksum_seed = time(NULL);
68 write_int(f_out,checksum_seed);
70 checksum_seed = read_int(f_in);