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/* Test the getusershell series functions.
Copyright (C) 2026 The GNU Toolchain Authors.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include "support/temp_file.h"
#include <stdlib.h>
#include <unistd.h>
#include <paths.h>
#include <support/check.h>
#include <support/xunistd.h>
#include <support/support.h>
#include <support/namespace.h>
#include <support/test-driver.h>
static void
test_in_chroot (void *chroot_path)
{
xchroot (chroot_path);
TEST_COMPARE_STRING (getusershell (), "/bin/sh");
TEST_COMPARE_STRING (getusershell (), "/bin/bash");
TEST_COMPARE_STRING (getusershell (), "/usr/bin/zsh");
TEST_COMPARE_STRING (getusershell (), NULL);
TEST_COMPARE_STRING (getusershell (), NULL);
setusershell ();
TEST_COMPARE_STRING (getusershell (), "/bin/sh");
endusershell ();
xunlink ("/etc/shells");
TEST_COMPARE_STRING (getusershell (), "/bin/sh");
TEST_COMPARE_STRING (getusershell (), "/bin/csh");
TEST_COMPARE_STRING (getusershell (), NULL);
endusershell ();
}
static int
do_test (void)
{
support_become_root ();
if (!support_can_chroot ())
return EXIT_UNSUPPORTED;
char *chroot_dir = support_create_temp_directory ("tst-getusershell-");
char *etc = xasprintf ("%s/etc", chroot_dir);
add_temp_file (etc);
xmkdir (etc, 0777);
/* Don't add shells to file list as it will be deleted in test. */
char *shells = xasprintf ("%s/shells", etc);
support_copy_file ("tst-getusershell.shells", shells);
support_isolate_in_subprocess (test_in_chroot, chroot_dir);
free (etc);
free (shells);
free (chroot_dir);
return 0;
}
#include <support/test-driver.c>
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