- Made read_item_attrs() detect and reject a pre1/pre2 rsync (used
authorWayne Davison <wayned@samba.org>
Tue, 15 Mar 2005 19:19:44 +0000 (19:19 +0000)
committerWayne Davison <wayned@samba.org>
Tue, 15 Mar 2005 19:19:44 +0000 (19:19 +0000)
  by both the sender and the receiver).
- Added an extra phase to the end of the transfer to better handle
  delayed updates that have hard links.

sender.c

index be9e56f..093d309 100644 (file)
--- a/sender.c
+++ b/sender.c
@@ -146,7 +146,6 @@ int read_item_attrs(int f_in, int f_out, int ndx, uchar *type_ptr,
        uchar fnamecmp_type = FNAMECMP_FNAME;
        int iflags = protocol_version >= 29 ? read_shortint(f_in)
                   : ITEM_TRANSFER | ITEM_MISSING_DATA;
-       int isave = iflags; /* XXX remove soon */
 
        /* Handle the new keep-alive (no-op) packet. */
        if (ndx == the_file_list->count && iflags == ITEM_IS_NEW)
@@ -174,12 +173,17 @@ int read_item_attrs(int f_in, int f_out, int ndx, uchar *type_ptr,
        }
        *len_ptr = len;
 
-       /* XXX Temporary backward compatibility when talking to 2.6.4pre[12] */
-       if (protocol_version >= 29 && iflags & ITEM_TRANSFER
-           && !S_ISREG(the_file_list->files[ndx]->mode)) {
-               iflags &= ~ITEM_TRANSFER;
-               iflags |= ITEM_LOCAL_CHANGE;
-       }
+       /* XXX Temporary rejection of 2.6.4pre1 & pre2 */
+       if (iflags & ITEM_DUMMY_BIT) {
+               extern int am_sender;
+               if (!am_sender || !(iflags & (ITEM_LOCAL_CHANGE|ITEM_TRANSFER))) {
+                       rprintf(FERROR,
+                               "The %s side is running 2.6.4pre[12] -- upgrade it or use --protocol=28!\n",
+                               am_sender ? "receiving" : "sending");
+                       exit_cleanup(RERR_PROTOCOL);
+               }
+               iflags &= ~ITEM_DUMMY_BIT;
+       } /* XXX */
 
        if (iflags & ITEM_TRANSFER) {
                if (!S_ISREG(the_file_list->files[ndx]->mode)) {
@@ -189,7 +193,7 @@ int read_item_attrs(int f_in, int f_out, int ndx, uchar *type_ptr,
                        exit_cleanup(RERR_PROTOCOL);
                }
        } else if (f_out >= 0) {
-               write_ndx_and_attrs(f_out, ndx, isave /*XXX iflags */,
+               write_ndx_and_attrs(f_out, ndx, iflags,
                                    fnamecmp_type, buf, len);
        }
 
@@ -207,7 +211,7 @@ void send_files(struct file_list *flist, int f_out, int f_in)
        uchar fnamecmp_type;
        int iflags, xlen;
        struct file_struct *file;
-       int phase = 0;
+       int phase = 0, max_phase = protocol_version >= 29 ? 2 : 1;
        struct stats initial_stats;
        int save_make_backups = make_backups;
        int itemizing = am_daemon ? daemon_log_format_has_i
@@ -222,9 +226,8 @@ void send_files(struct file_list *flist, int f_out, int f_in)
 
                i = read_int(f_in);
                if (i == -1) {
-                       if (phase)
+                       if (++phase > max_phase)
                                break;
-                       phase = 1;
                        csum_length = SUM_LENGTH;
                        if (verbose > 2)
                                rprintf(FINFO, "send_files phase=%d\n", phase);
@@ -257,6 +260,12 @@ void send_files(struct file_list *flist, int f_out, int f_in)
                        maybe_log_item(file, iflags, itemizing, xname);
                        continue;
                }
+               if (phase == 2) {
+                       rprintf(FERROR,
+                               "got transfer request in phase 2 [%s]\n",
+                               who_am_i());
+                       exit_cleanup(RERR_PROTOCOL);
+               }
 
                updating_basis_file = inplace && (protocol_version >= 29
                        ? fnamecmp_type == FNAMECMP_FNAME : !make_backups);