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/*
* Copyright (c) 2021, Max Wipfli <max.wipfli@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
static DeprecatedString random_dirname()
{
return DeprecatedString::formatted("/tmp/test_mkdir_{:04x}", (u16)rand());
}
TEST_SETUP
{
srand(time(NULL));
}
TEST_CASE(basic)
{
auto dirname = random_dirname();
int res = mkdir(dirname.characters(), 0755);
EXPECT(res == 0);
res = mkdir(dirname.characters(), 0755);
int cached_errno = errno;
EXPECT(res < 0);
EXPECT_EQ(cached_errno, EEXIST);
}
TEST_CASE(insufficient_permissions)
{
VERIFY(getuid() != 0);
int res = mkdir("/root/foo", 0755);
int cached_errno = errno;
EXPECT(res < 0);
EXPECT_EQ(cached_errno, EACCES);
}
TEST_CASE(nonexistent_parent)
{
auto parent = random_dirname();
auto child = DeprecatedString::formatted("{}/foo", parent);
int res = mkdir(child.characters(), 0755);
int cached_errno = errno;
EXPECT(res < 0);
EXPECT_EQ(cached_errno, ENOENT);
}
TEST_CASE(parent_is_file)
{
int res = mkdir("/etc/passwd/foo", 0755);
int cached_errno = errno;
EXPECT(res < 0);
EXPECT_EQ(cached_errno, ENOTDIR);
}
TEST_CASE(pledge)
{
int res = pledge("stdio cpath", nullptr);
EXPECT(res == 0);
auto dirname = random_dirname();
res = mkdir(dirname.characters(), 0755);
EXPECT(res == 0);
// FIXME: Somehow also check that mkdir() stops working when removing the cpath promise. This is currently
// not possible because this would prevent the unveil test case from properly working.
}
TEST_CASE(unveil)
{
int res = unveil("/tmp", "rwc");
EXPECT(res == 0);
auto dirname = random_dirname();
res = mkdir(dirname.characters(), 0755);
EXPECT(res == 0);
res = unveil("/tmp", "rw");
EXPECT(res == 0);
dirname = random_dirname();
res = mkdir(dirname.characters(), 0755);
int cached_errno = errno;
EXPECT(res < 0);
EXPECT_EQ(cached_errno, EACCES);
res = unveil("/tmp", "");
EXPECT(res == 0);
dirname = random_dirname();
res = mkdir(dirname.characters(), 0755);
cached_errno = errno;
EXPECT(res < 0);
EXPECT_EQ(cached_errno, ENOENT);
res = unveil(nullptr, nullptr);
EXPECT(res == 0);
}
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