TRANS_NOXAUTH

[Jeremy Huddleston]

I've added a new connection flag to xtrans to use with our launchd  
sockets to disable checking xauth handshaking.  The diff in the server  
pretty much boils down to what's below.  Should I go ahead and commit  
it to master, or should I throw some #ifdef __APPLE__ around it?  It's  
not exactly apple-specific, but it does require an updated xtrans for  
the TRANS_NOXAUTH.

--Jeremy

--- a/os/connection.c
+++ b/os/connection.c
@@ -707,12 +707,11 @@ ClientAuthorized(ClientPtr client,
    saddr = (struct sockaddr *) (trans_conn->addr);
    /* Allow any client to connect without authorization on a launchd  
socket,
       because it is securely created -- this prevents a race  
condition on launch */
-    if (saddr->sa_len > 11 && saddr->sa_family == AF_UNIX &&
-        !strncmp(saddr->sa_data, "/tmp/launch", 11)) goto done;
-#endif
-
-    auth_id = CheckAuthorization (proto_n, auth_proto,
-				  string_n, auth_string, client, &reason);
+    if(trans_conn->flags | TRANS_NOXAUTH) {
+        auth_id = (XID) 0L;
+    } else {
+        auth_id = CheckAuthorization (proto_n, auth_proto, string_n,  
auth_string, client, &reason);
+    }

    if (auth_id == (XID) ~0L)
    {


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