mpv/fuzzers/fuzzer_set_property.c

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/*
* 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 <libmpv/client.h>
#include "common.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
size_t value_len;
switch (MPV_FORMAT)
{
case MPV_FORMAT_STRING:
value_len = strnlen(data, size);
if (!value_len || value_len == size)
return 0;
value_len += 1;
break;
case MPV_FORMAT_FLAG:
value_len = sizeof(int);
break;
case MPV_FORMAT_INT64:
value_len = sizeof(int64_t);
break;
case MPV_FORMAT_DOUBLE:
value_len = sizeof(double);
break;
default:
exit(1);
break;
}
// at least two bytes for the name
if (size < value_len + 2)
return 0;
const char *name = (const char *)data + value_len;
size_t name_len = strnlen(name, size - value_len);
if (!name_len || name_len != size - value_len - 1)
return 0;
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);
check_error(mpv_set_option_string(ctx, "msg-level", "all=trace"));
check_error(mpv_set_option_string(ctx, "network-timeout", "1"));
#if MPV_RUN
check_error(mpv_set_option_string(ctx, "vo", "null"));
check_error(mpv_set_option_string(ctx, "ao", "null"));
check_error(mpv_initialize(ctx));
#endif
int ret;
if (MPV_FORMAT == MPV_FORMAT_STRING) {
ret = mpv_set_property_string(ctx, name, (void *)data);
} else {
ret = mpv_set_property(ctx, name, MPV_FORMAT, (void *)data);
}
if (ret != MPV_ERROR_SUCCESS)
goto done;
#if MPV_RUN
check_error(mpv_set_option_string(ctx, "ao-null-untimed", "yes"));
check_error(mpv_set_option_string(ctx, "loop-file", "no"));
check_error(mpv_set_option_string(ctx, "loop-playlist", "no"));
check_error(mpv_set_option_string(ctx, "pause", "no"));
check_error(mpv_set_option_string(ctx, "untimed", "yes"));
mpv_node node = {
.format = MPV_FORMAT_NODE_ARRAY,
.u.list = &(mpv_node_list) {
.num = 1,
.values = &(mpv_node) {
.format = MPV_FORMAT_STRING,
.u.string = "av://lavfi:sine=d=0.1",
},
},
};
check_error(mpv_set_option(ctx, "audio-files", MPV_FORMAT_NODE, &node));
node.u.list->num = 0;
check_error(mpv_set_option(ctx, "cover-art-files", MPV_FORMAT_NODE, &node));
check_error(mpv_set_option(ctx, "external-files", MPV_FORMAT_NODE, &node));
check_error(mpv_set_option(ctx, "sub-files", MPV_FORMAT_NODE, &node));
const char *cmd[] = {"loadfile", "av://lavfi:yuvtestsrc=d=0.1", NULL};
check_error(mpv_command(ctx, cmd));
bool loaded = false;
while (1) {
mpv_event *event = mpv_wait_event(ctx, -1);
if (event->event_id == MPV_EVENT_START_FILE)
loaded = true;
if (loaded && event->event_id == MPV_EVENT_IDLE)
break;
}
#endif
done:
mpv_terminate_destroy(ctx);
return 0;
}