Add regress test of stat all the way to a nonexistant terminal

diff --git a/regress/sys/kern/unveil/syscalls.c b/regress/sys/kern/unveil/syscalls.c
index 31ab0e1..4284ddf 100644 (file)
--- a/regress/sys/kern/unveil/syscalls.c
+++ b/regress/sys/kern/unveil/syscalls.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: syscalls.c,v 1.16 2018/08/04 16:23:00 beck Exp $      */
+/*     $OpenBSD: syscalls.c,v 1.17 2018/08/28 02:49:47 beck Exp $      */
 
 /*
  * Copyright (c) 2017-2018 Bob Beck <beck@openbsd.org>
@@ -593,6 +593,25 @@ test_stat(int do_uv)
        return 0;
 }
 
+static int
+test_stat2(int do_uv)
+{
+       if (do_uv) {
+               printf("testing stat components to nonexistant \"rw\"\n");
+               if (unveil("/usr/share/man/nonexistant", "rw") == -1)
+                       err(1, "%s:%d - unveil", __FILE__, __LINE__);
+       }
+       struct stat sb;
+
+       UV_SHOULD_SUCCEED((pledge("stdio fattr rpath", NULL) == -1), "pledge");
+       UV_SHOULD_SUCCEED((stat("/", &sb) == -1), "stat");
+       UV_SHOULD_SUCCEED((stat("/usr", &sb) == -1), "stat");
+       UV_SHOULD_SUCCEED((stat("/usr/share", &sb) == -1), "stat");
+       UV_SHOULD_SUCCEED((stat("/usr/share/man", &sb) == -1), "stat");
+       UV_SHOULD_ENOENT((stat("/usr/share/man/nonexistant", &sb) == -1), "stat");
+       return 0;
+}
+
 static int
 test_statfs(int do_uv)
 {
@@ -840,6 +859,7 @@ main (int argc, char *argv[])
        failures += runcompare(test_access);
        failures += runcompare(test_chflags);
        failures += runcompare(test_stat);
+       failures += runcompare(test_stat2);
        failures += runcompare(test_statfs);
        failures += runcompare(test_symlink);
        failures += runcompare(test_chmod);