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/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/xattr.h>
#include <unistd.h>

#include "alloc-util.h"
#include "fd-util.h"
#include "fs-util.h"
#include "macro.h"
#include "string-util.h"
#include "tests.h"
#include "tmpfile-util.h"
#include "xattr-util.h"

TEST(getxattr_at_malloc) {
        char t[] = "/var/tmp/xattrtestXXXXXX";
        _cleanup_free_ char *value = NULL;
        _cleanup_close_ int fd = -1;
        const char *x;
        int r;

        assert_se(mkdtemp(t));
        x = strjoina(t, "/test");
        assert_se(touch(x) >= 0);

        r = setxattr(x, "user.foo", "bar", 3, 0);
        if (r < 0 && ERRNO_IS_NOT_SUPPORTED(errno)) /* no xattrs supported on /var/tmp... */
                goto cleanup;
        assert_se(r >= 0);

        fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
        assert_se(fd >= 0);

        assert_se(getxattr_at_malloc(fd, "test", "user.foo", 0, &value) == 3);
        assert_se(memcmp(value, "bar", 3) == 0);
        value = mfree(value);

        assert_se(getxattr_at_malloc(AT_FDCWD, x, "user.foo", 0, &value) == 3);
        assert_se(memcmp(value, "bar", 3) == 0);
        value = mfree(value);

        safe_close(fd);
        fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
        assert_se(fd >= 0);
        r = getxattr_at_malloc(fd, "usr", "user.idontexist", 0, &value);
        assert_se(r < 0 && ERRNO_IS_XATTR_ABSENT(r));

        safe_close(fd);
        fd = open(x, O_PATH|O_CLOEXEC);
        assert_se(fd >= 0);
        assert_se(getxattr_at_malloc(fd, NULL, "user.foo", 0, &value) == 3);
        assert_se(streq(value, "bar"));

cleanup:
        assert_se(unlink(x) >= 0);
        assert_se(rmdir(t) >= 0);
}

TEST(getcrtime) {
        _cleanup_close_ int fd = -1;
        const char *vt;
        usec_t usec, k;
        int r;

        assert_se(var_tmp_dir(&vt) >= 0);

        fd = open_tmpfile_unlinkable(vt, O_RDWR);
        assert_se(fd >= 0);

        r = fd_getcrtime(fd, &usec);
        if (r < 0)
                log_debug_errno(r, "btime: %m");
        else
                log_debug("btime: %s", FORMAT_TIMESTAMP(usec));

        k = now(CLOCK_REALTIME);

        r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
        if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
                assert_se(fd_getcrtime(fd, &usec) >= 0);
                assert_se(k < 1519126446UL * USEC_PER_SEC ||
                          usec == 1519126446UL * USEC_PER_SEC);
        }
}

DEFINE_TEST_MAIN(LOG_DEBUG);