74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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Copyright (C) Andrew Tridgell 1996
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Copyright (C) Paul Mackerras 1996
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* compatability routines for older rsync protocol versions */
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#include "rsync.h"
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extern int am_server;
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extern int preserve_links;
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extern int preserve_perms;
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extern int preserve_devices;
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extern int preserve_uid;
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extern int preserve_gid;
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extern int preserve_times;
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extern int always_checksum;
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extern int checksum_seed;
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extern int remote_version;
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extern int verbose;
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void setup_protocol(int f_out,int f_in)
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{
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if (remote_version == 0) {
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if (am_server) {
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remote_version = read_int(f_in);
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write_int(f_out,PROTOCOL_VERSION);
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} else {
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write_int(f_out,PROTOCOL_VERSION);
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remote_version = read_int(f_in);
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}
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}
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if (remote_version < MIN_PROTOCOL_VERSION ||
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remote_version > MAX_PROTOCOL_VERSION) {
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rprintf(FERROR,"protocol version mismatch - is your shell clean?\n");
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rprintf(FERROR,"(see the rsync man page for an explanation)\n");
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exit_cleanup(RERR_PROTOCOL);
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}
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if (verbose > 2)
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rprintf(FINFO, "local_version=%d remote_version=%d\n",
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PROTOCOL_VERSION, remote_version);
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if (remote_version >= 12) {
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if (am_server) {
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checksum_seed = time(NULL);
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write_int(f_out,checksum_seed);
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} else {
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checksum_seed = read_int(f_in);
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}
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}
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checksum_init();
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}
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