The ACL support has arrived! This version has a brand new protocol

[rsync/rsync.git] / compat.c

diff --git a/compat.c b/compat.c
index 62b2ba0..66438c4 100644 (file)
--- a/compat.c
+++ b/compat.c
@@ -41,6 +41,7 @@ extern int prune_empty_dirs;
 extern int protocol_version;
 extern int preserve_uid;
 extern int preserve_gid;
+extern int preserve_acls;
 extern int preserve_hard_links;
 extern int need_messages_from_generator;
 extern int delete_mode, delete_before, delete_during, delete_after;
@@ -61,6 +62,8 @@ void setup_protocol(int f_out,int f_in)
                preserve_uid = ++file_extra_cnt;
        if (preserve_gid)
                preserve_gid = ++file_extra_cnt;
+       if (preserve_acls && !am_sender)
+               preserve_acls = ++file_extra_cnt;
 
        if (remote_protocol == 0) {
                if (!read_batch)
@@ -108,6 +111,13 @@ void setup_protocol(int f_out,int f_in)
                            protocol_version);
                        exit_cleanup(RERR_PROTOCOL);
                }
+               if (preserve_acls) {
+                       rprintf(FERROR,
+                           "--acls requires protocol 30 or higher"
+                           " (negotiated %d).\n",
+                           protocol_version);
+                       exit_cleanup(RERR_PROTOCOL);
+               }
        }
 
        if (delete_mode && !(delete_before+delete_during+delete_after)) {