safety check that we're dealing with the filter we expect

diff --git a/usr.sbin/rebound/rebound.c b/usr.sbin/rebound/rebound.c
index 2b86644..f4db60d 100644 (file)
--- a/usr.sbin/rebound/rebound.c
+++ b/usr.sbin/rebound/rebound.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rebound.c,v 1.16 2015/10/16 01:50:39 tedu Exp $ */
+/* $OpenBSD: rebound.c,v 1.17 2015/10/16 01:55:19 tedu Exp $ */
 /*
  * Copyright (c) 2015 Ted Unangst <tedu@openbsd.org>
  *
@@ -409,7 +409,7 @@ launch(const char *confname, int ud, int ld, int kq)
                                        kevent(kq, chlist, 1, NULL, 0, NULL);
                                        TAILQ_INSERT_TAIL(&reqfifo, req, fifo);
                                }
-                       } else {
+                       } else if (kev[i].filter == EVFILT_READ) {
                                /* use a tree here? */
                                req = TAILQ_FIRST(&reqfifo);
                                while (req) {
@@ -423,6 +423,9 @@ launch(const char *confname, int ud, int ld, int kq)
                                if (req->client == -1)
                                        sendreply(ud, req);
                                freerequest(req);
+                       } else {
+                               logerr(LOG_DAEMON | LOG_ERR,
+                                   "don't know what happened");
                        }
                }