mirror of
https://github.com/mpv-player/mpv.git
synced 2024-09-20 03:52:22 +02:00
e56054bc40
While LibFuzzer supports rejecting unwanted inputs, it looks like
Honggfuzz treats anything other than 0 as fatal error.
https://llvm.org/docs/LibFuzzer.html#rejecting-unwanted-inputs
348a472139/libhfuzz/persistent.c (L67)
This LOG_F calls exit(EXIT_FAILURE)
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <libmpv/client.h>
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#include "common.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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if (size <= 1 || data[size - 1] != '\0')
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return 0;
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// Exlude data with null bytes inside
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if (strlen(data) != size - 1)
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return 0;
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#ifdef MPV_PROTO
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if (!str_startswith(data, size - 1, MPV_STRINGIFY(MPV_PROTO) "://", sizeof(MPV_STRINGIFY(MPV_PROTO) "://") - 1))
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return 0;
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#endif
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#if !defined(MPV_PROTO) || defined(MPV_PROTO_FILE)
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const uint8_t *data_check = data;
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size_t size_check = size;
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size_t prefix_size = sizeof("file://") - 1;
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if (str_startswith(data, size - 1, "file://", prefix_size)) {
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data_check += prefix_size;
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size_check -= prefix_size;
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}
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// Exclude some common paths that are not useful for testing.
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// Exclude -
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if (size_check == 2 && !strncmp(data_check, "-", 1))
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return 0;
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// Exclude relative paths
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if (str_startswith(data_check, size_check - 1, ".", 1))
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return 0;
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// Exclude absolute paths
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if (str_startswith(data_check, size_check - 1, "/", 1))
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return 0;
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#endif
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mpv_handle *ctx = mpv_create();
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if (!ctx)
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exit(1);
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check_error(mpv_set_option_string(ctx, "vo", "null"));
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check_error(mpv_set_option_string(ctx, "ao", "null"));
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check_error(mpv_set_option_string(ctx, "ao-null-untimed", "yes"));
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check_error(mpv_set_option_string(ctx, "untimed", "yes"));
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check_error(mpv_set_option_string(ctx, "video-osd", "no"));
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check_error(mpv_set_option_string(ctx, "msg-level", "all=trace"));
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check_error(mpv_set_option_string(ctx, "network-timeout", "1"));
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check_error(mpv_initialize(ctx));
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const char *cmd[] = {"loadfile", data, NULL};
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check_error(mpv_command(ctx, cmd));
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while (1) {
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mpv_event *event = mpv_wait_event(ctx, 10000);
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if (event->event_id == MPV_EVENT_IDLE)
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break;
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}
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mpv_terminate_destroy(ctx);
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return 0;
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}
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