*
* Copyright (C) Andrew Tridgell 1996
* Copyright (C) Paul Mackerras 1996
- * Copyright (C) 2004, 2005, 2006 Wayne Davison
+ * Copyright (C) 2004-2007 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
*/
#include "rsync.h"
int remote_protocol = 0;
+int file_extra_cnt = 0; /* count of file-list extras that everyone gets */
+int inc_recurse = 0;
extern int verbose;
extern int am_server;
+extern int am_sender;
+extern int local_server;
extern int inplace;
+extern int recurse;
+extern int use_qsort;
+extern int allow_inc_recurse;
extern int fuzzy_basis;
extern int read_batch;
+extern int max_delete;
+extern int delay_updates;
extern int checksum_seed;
extern int basis_dir_cnt;
extern int prune_empty_dirs;
extern int protocol_version;
+extern int preserve_uid;
+extern int preserve_gid;
+extern int preserve_acls;
+extern int preserve_xattrs;
+extern int preserve_hard_links;
+extern int need_messages_from_generator;
+extern int delete_mode, delete_before, delete_during, delete_after;
+extern int delete_excluded;
+extern int make_backups;
+extern char *shell_cmd; /* contains VER.SUB string if client is a pre-release */
+extern char *backup_dir, *backup_suffix;
+extern char *partial_dir;
extern char *dest_option;
+extern struct filter_list_struct filter_list;
+
+/* These index values are for the file-list's extra-attribute array. */
+int uid_ndx, gid_ndx, acls_ndx, xattrs_ndx;
+
+/* The server makes sure that if either side only supports a pre-release
+ * version of a protocol, that both sides must speak a compatible version
+ * of that protocol for it to be advertised as available. */
+static void check_sub_protocol(void)
+{
+ char *dot;
+ int their_protocol, their_sub;
+ int our_sub = protocol_version < PROTOCOL_VERSION ? 0 : SUBPROTOCOL_VERSION;
+
+ if (!shell_cmd || !(dot = strchr(shell_cmd, '.'))
+ || !(their_protocol = atoi(shell_cmd))
+ || !(their_sub = atoi(dot+1))) {
+ if (our_sub)
+ protocol_version--;
+ return;
+ }
+
+ if (their_protocol < protocol_version) {
+ if (their_sub)
+ protocol_version = their_protocol - 1;
+ return;
+ }
+
+ if (their_protocol > protocol_version)
+ their_sub = 0; /* 0 == final version */
+ if (their_sub != our_sub)
+ protocol_version--;
+}
void setup_protocol(int f_out,int f_in)
{
+ 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);
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",
+ rprintf(FERROR, "The protocol version in the batch file is too new (%d > %d).\n",
remote_protocol, protocol_version);
exit_cleanup(RERR_PROTOCOL);
}
exit_cleanup(RERR_PROTOCOL);
}
+ if (protocol_version < 30) {
+ if (max_delete == 0 && am_sender) {
+ rprintf(FERROR,
+ "--max-delete=0 requires protocol 30 or higher"
+ " (negotiated %d).\n",
+ protocol_version);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ 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,
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
+ && !prune_empty_dirs && !use_qsort)
+ 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) {
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff