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

#include <linux/sockios.h>
#include <sys/ioctl.h>
#include <unistd.h>

#include "fd-util.h"
#include "fuzz.h"
#include "fuzz-journald.h"
#include "journald-stream.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
        _cleanup_close_pair_ int stream_fds[2] = EBADF_PAIR;
        _cleanup_(server_freep) Server *s = NULL;
        StdoutStream *stream;
        int v, fd0;

        if (outside_size_range(size, 1, 65536))
                return 0;

        fuzz_setup_logging();

        assert_se(socketpair(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0, stream_fds) >= 0);
        assert_se(server_new(&s) >= 0);
        dummy_server_init(s, NULL, 0);

        assert_se(stdout_stream_install(s, stream_fds[0], &stream) >= 0);
        fd0 = TAKE_FD(stream_fds[0]); /* avoid double close */

        assert_se(write(stream_fds[1], data, size) == (ssize_t) size);
        while (ioctl(fd0, SIOCINQ, &v) == 0 && v)
                sd_event_run(s->event, UINT64_MAX);

        if (s->n_stdout_streams > 0)
                stdout_stream_destroy(stream);

        return 0;
}