Check that fchdir() works. The problem in unveil was fixed some time ago.

diff --git a/regress/sys/kern/unveil/syscalls.c b/regress/sys/kern/unveil/syscalls.c
index 0828a5c..4de3666 100644 (file)
--- a/regress/sys/kern/unveil/syscalls.c
+++ b/regress/sys/kern/unveil/syscalls.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: syscalls.c,v 1.28 2021/08/30 08:06:02 claudio Exp $   */
+/*     $OpenBSD: syscalls.c,v 1.29 2021/08/30 08:07:22 claudio Exp $   */
 
 /*
  * Copyright (c) 2017-2019 Bob Beck <beck@openbsd.org>
@@ -914,6 +914,25 @@ test_pathdiscover(int do_uv)
        return 0;
 }
 
+static int
+test_fchdir(int do_uv)
+{
+       int fd2, fd;
+
+       UV_SHOULD_SUCCEED(((fd2 = open(uv_dir2, O_RDONLY | O_DIRECTORY)) == -1), "open");
+
+       if (do_uv) {
+               printf("testing fchdir\n");
+               do_unveil2();
+       }
+
+       UV_SHOULD_SUCCEED((pledge("stdio fattr rpath", NULL) == -1), "pledge");
+       UV_SHOULD_SUCCEED((chdir(uv_dir1) == -1), "chdir");
+       UV_SHOULD_SUCCEED((fchdir(fd2) == -1), "fchdir");
+       UV_SHOULD_ENOENT((fd = (open("subdir", O_RDONLY | O_DIRECTORY)) == -1), "open");
+
+       return 0;
+}
 
 int
 main (int argc, char *argv[])
@@ -963,5 +982,6 @@ main (int argc, char *argv[])
        failures += runcompare(test_dotdotup);
        failures += runcompare(test_kn);
        failures += runcompare(test_pathdiscover);
+       failures += runcompare(test_fchdir);
        exit(failures);
 }