*
* Copyright (C) Andrew Tridgell 1996
* Copyright (C) Paul Mackerras 1996
- * Copyright (C) 2004, 2005, 2006 Wayne Davison
+ * Copyright (C) 2004-2009 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
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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;
+int compat_flags = 0;
+int use_safe_inc_flist = 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 append_mode;
extern int fuzzy_basis;
extern int read_batch;
+extern int delay_updates;
extern int checksum_seed;
extern int basis_dir_cnt;
extern int prune_empty_dirs;
extern int protocol_version;
+extern int protect_args;
+extern int preserve_uid;
+extern int preserve_gid;
+extern int preserve_acls;
+extern int preserve_xattrs;
+extern int need_messages_from_generator;
+extern int delete_mode, delete_before, delete_during, delete_after;
+extern char *shell_cmd;
+extern char *partial_dir;
extern char *dest_option;
+extern char *files_from;
+extern char *filesfrom_host;
+extern filter_rule_list filter_list;
+extern int need_unsorted_flist;
+#ifdef ICONV_OPTION
+extern iconv_t ic_send, ic_recv;
+extern char *iconv_opt;
+#endif
+
+/* These index values are for the file-list's extra-attribute array. */
+int uid_ndx, gid_ndx, acls_ndx, xattrs_ndx, unsort_ndx;
+
+int receiver_symlink_times = 0; /* receiver can set the time on a symlink */
+int sender_symlink_iconv = 0; /* sender should convert symlink content */
+
+#ifdef ICONV_OPTION
+int filesfrom_convert = 0;
+#endif
+
+#define CF_INC_RECURSE (1<<0)
+#define CF_SYMLINK_TIMES (1<<1)
+#define CF_SYMLINK_ICONV (1<<2)
+#define CF_SAFE_FLIST (1<<3)
+
+static const char *client_info;
+
+/* 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;
+#if SUBPROTOCOL_VERSION != 0
+ int our_sub = protocol_version < PROTOCOL_VERSION ? 0 : SUBPROTOCOL_VERSION;
+#else
+ int our_sub = 0;
+#endif
+
+ /* client_info starts with VER.SUB string if client is a pre-release. */
+ if (!(their_protocol = atoi(client_info))
+ || !(dot = strchr(client_info, '.'))
+ || !(their_sub = atoi(dot+1))) {
+#if SUBPROTOCOL_VERSION != 0
+ if (our_sub)
+ protocol_version--;
+#endif
+ 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 of older protocol */
+ if (their_sub != our_sub)
+ protocol_version--;
+}
+
+void set_allow_inc_recurse(void)
+{
+ client_info = shell_cmd ? shell_cmd : "";
+
+ if (!recurse || use_qsort)
+ allow_inc_recurse = 0;
+ else if (!am_sender
+ && (delete_before || delete_after
+ || delay_updates || prune_empty_dirs))
+ allow_inc_recurse = 0;
+ else if (am_server && !local_server
+ && (strchr(client_info, 'i') == NULL))
+ allow_inc_recurse = 0;
+}
void setup_protocol(int f_out,int f_in)
{
+ if (am_sender)
+ file_extra_cnt += PTR_EXTRA_CNT;
+ 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 (am_server)
+ set_allow_inc_recurse();
+
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);
}
- if (verbose > 3) {
+ if (DEBUG_GTE(PROTO, 1)) {
rprintf(FINFO, "(%s) Protocol versions: remote=%d, negotiated=%d\n",
am_server? "Server" : "Client", remote_protocol, protocol_version);
}
PROTOCOL_VERSION, am_server? "Server" : "Client");
exit_cleanup(RERR_PROTOCOL);
}
+ if (read_batch)
+ check_batch_flags();
+
+ 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) {
protocol_version);
exit_cleanup(RERR_PROTOCOL);
}
+ } else if (protocol_version >= 30) {
+ if (am_server) {
+ compat_flags = allow_inc_recurse ? CF_INC_RECURSE : 0;
+#ifdef CAN_SET_SYMLINK_TIMES
+ compat_flags |= CF_SYMLINK_TIMES;
+#endif
+#ifdef ICONV_OPTION
+ compat_flags |= CF_SYMLINK_ICONV;
+#endif
+ if (local_server || strchr(client_info, 'f') != NULL)
+ compat_flags |= CF_SAFE_FLIST;
+ write_byte(f_out, compat_flags);
+ } else
+ compat_flags = read_byte(f_in);
+ /* The inc_recurse var MUST be set to 0 or 1. */
+ inc_recurse = compat_flags & CF_INC_RECURSE ? 1 : 0;
+ if (am_sender) {
+ receiver_symlink_times = am_server
+ ? strchr(client_info, 'L') != NULL
+ : !!(compat_flags & CF_SYMLINK_TIMES);
+ }
+#ifdef CAN_SET_SYMLINK_TIMES
+ else
+ receiver_symlink_times = 1;
+#endif
+#ifdef ICONV_OPTION
+ sender_symlink_iconv = iconv_opt && (am_server
+ ? local_server || strchr(client_info, 's') != NULL
+ : !!(compat_flags & CF_SYMLINK_ICONV));
+#endif
+ if (inc_recurse && !allow_inc_recurse) {
+ /* This should only be able to happen in a batch. */
+ fprintf(stderr,
+ "Incompatible options specified for inc-recursive %s.\n",
+ read_batch ? "batch file" : "connection");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ use_safe_inc_flist = (compat_flags & CF_SAFE_FLIST) || protocol_version >= 31;
+ need_messages_from_generator = 1;
+#ifdef CAN_SET_SYMLINK_TIMES
+ } else if (!am_sender) {
+ receiver_symlink_times = 1;
+#endif
+ }
+
+ if (need_unsorted_flist && (!am_sender || inc_recurse))
+ unsort_ndx = ++file_extra_cnt;
+
+ if (partial_dir && *partial_dir != '/' && (!am_server || local_server)) {
+ int rflags = FILTRULE_NO_PREFIXES | FILTRULE_DIRECTORY;
+ if (!am_sender || protocol_version >= 30)
+ rflags |= FILTRULE_PERISHABLE;
+ parse_filter_str(&filter_list, partial_dir, rule_template(rflags), 0);
+ }
+
+
+#ifdef ICONV_OPTION
+ if (protect_args && files_from) {
+ if (am_sender)
+ filesfrom_convert = filesfrom_host && ic_send != (iconv_t)-1;
+ else
+ filesfrom_convert = !filesfrom_host && ic_recv != (iconv_t)-1;
}
+#endif
if (am_server) {
if (!checksum_seed)