lockspool only plays with files in _PATH_MAILDIR, so unveil that path.

diff --git a/libexec/lockspool/lockspool.c b/libexec/lockspool/lockspool.c
index 4192929..6f21c08 100644 (file)
--- a/libexec/lockspool/lockspool.c
+++ b/libexec/lockspool/lockspool.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: lockspool.c,v 1.18 2015/11/24 00:19:29 deraadt Exp $  */
+/*     $OpenBSD: lockspool.c,v 1.19 2018/08/08 22:59:33 deraadt Exp $  */
 
 /*
  * Copyright (c) 1998 Theo de Raadt <deraadt@theos.com>
@@ -32,6 +32,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include <stdio.h>
+#include <paths.h>
 #include <stdlib.h>
 #include <poll.h>
 #include <err.h>
@@ -52,6 +53,8 @@ main(int argc, char *argv[])
        char *from, c;
        int holdfd;
 
+       if (unveil(_PATH_MAILDIR, "rwc") == -1)
+               err(1, "unveil");
        if (pledge("stdio rpath wpath getpw cpath fattr", NULL) == -1)
                err(1, "pledge");