mpv/fuzzers/fuzzer_loadfile_direct.c

88 lines
2.7 KiB
C

/*
* This file is part of mpv.
*
* mpv 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.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libmpv/client.h>
#include "common.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
if (size <= 1 || data[size - 1] != '\0')
return 0;
// Exlude data with null bytes inside
if (strlen(data) != size - 1)
return 0;
#ifdef MPV_PROTO
if (!str_startswith(data, size - 1, MPV_STRINGIFY(MPV_PROTO) "://", sizeof(MPV_STRINGIFY(MPV_PROTO) "://") - 1))
return 0;
#endif
#if !defined(MPV_PROTO) || defined(MPV_PROTO_FILE)
const uint8_t *data_check = data;
size_t size_check = size;
size_t prefix_size = sizeof("file://") - 1;
if (str_startswith(data, size - 1, "file://", prefix_size)) {
data_check += prefix_size;
size_check -= prefix_size;
}
// Exclude some common paths that are not useful for testing.
// Exclude -
if (size_check == 2 && !strncmp(data_check, "-", 1))
return 0;
// Exclude relative paths
if (str_startswith(data_check, size_check - 1, ".", 1))
return 0;
// Exclude absolute paths
if (str_startswith(data_check, size_check - 1, "/", 1))
return 0;
#endif
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);
check_error(mpv_set_option_string(ctx, "vo", "null"));
check_error(mpv_set_option_string(ctx, "ao", "null"));
check_error(mpv_set_option_string(ctx, "ao-null-untimed", "yes"));
check_error(mpv_set_option_string(ctx, "untimed", "yes"));
check_error(mpv_set_option_string(ctx, "video-osd", "no"));
check_error(mpv_set_option_string(ctx, "msg-level", "all=trace"));
check_error(mpv_set_option_string(ctx, "network-timeout", "1"));
check_error(mpv_initialize(ctx));
const char *cmd[] = {"loadfile", data, NULL};
check_error(mpv_command(ctx, cmd));
while (1) {
mpv_event *event = mpv_wait_event(ctx, 10000);
if (event->event_id == MPV_EVENT_IDLE)
break;
}
mpv_terminate_destroy(ctx);
return 0;
}