/* SPDX-License-Identifier: LGPL-2.1+ */

#include "alloc-util.h"

#include "bus-dump.h"

#include "bus-message.h"

#include "env-util.h"

#include "fd-util.h"

#include "fileio.h"

#include "fuzz.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

        _cleanup_free_ char *out = NULL; /* out should be freed after g */

        size_t out_size;

        _cleanup_fclose_ FILE *g = NULL;

        _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;

        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;

        _cleanup_free_ void *buffer = NULL;

        int r;

        /* We don't want to fill the logs with messages about parse errors.

         * Disable most logging if not running standalone */

        if (!getenv("SYSTEMD_LOG_LEVEL"))

                log_set_max_level(LOG_CRIT);

        r = sd_bus_new(&bus);

        assert_se(r >= 0);

        assert_se(buffer = memdup(data, size));

        r = bus_message_from_malloc(bus, buffer, size, NULL, 0, NULL, &m);

        if (r == -EBADMSG)

                return 0;

        assert_se(r >= 0);

        TAKE_PTR(buffer);

        if (getenv_bool("SYSTEMD_FUZZ_OUTPUT") <= 0)

                assert_se(g = open_memstream_unlocked(&out, &out_size));

        bus_message_dump(m, g ?: stdout, BUS_MESSAGE_DUMP_WITH_HEADER);

        r = sd_bus_message_rewind(m, true);

        assert_se(r >= 0);

        return 0;

}