110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
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/**
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#ifdef TEST_ARM32
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#include <unistd.h>
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#include "../includes/common.h"
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#include <string.h>
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#include <algorithm>
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#include <vector>
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#include "vpx/vp8dx.h"
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#include "vpx/vpx_decoder.h"
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#include "vpx_ports/mem_ops.h"
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#define IVF_FILE_HDR_SZ 32
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#define IVF_FRAME_HDR_SZ (4 + 8) /* 4 byte size + 8 byte timestamp */
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FILE *fp = nullptr;
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void exitHandler(void) {
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if (fp) {
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fclose(fp);
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}
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}
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bool testInProgress = false;
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struct sigaction new_action, old_action;
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void sigabrt_handler(int32_t signum, siginfo_t *info, void* context) {
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if (testInProgress && info->si_signo == SIGABRT) {
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(*old_action.sa_sigaction)(signum, info, context);
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return;
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}
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_exit(EXIT_FAILURE);
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}
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#endif
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int32_t main(int32_t argc, char **argv) {
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(void)argc;
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(void)argv;
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#ifdef TEST_ARM32
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atexit(exitHandler);
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sigemptyset(&new_action.sa_mask);
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new_action.sa_flags = SA_SIGINFO;
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new_action.sa_sigaction = sigabrt_handler;
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sigaction(SIGABRT, &new_action, &old_action);
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FAIL_CHECK(argc >= 2);
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fp = fopen(argv[1], "rb");
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FAIL_CHECK(fp);
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fseek(fp, 0, SEEK_END);
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size_t size = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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FAIL_CHECK(size > IVF_FILE_HDR_SZ);
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std::vector<uint8_t> buffer(size);
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FAIL_CHECK(fread((void *)buffer.data(), sizeof(uint8_t), size, fp) == size);
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vpx_codec_ctx_t codec;
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vpx_codec_dec_cfg_t cfg;
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memset(&cfg, 0, sizeof(vpx_codec_dec_cfg_t));
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cfg.threads = 1;
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FAIL_CHECK(vpx_codec_dec_init(&codec, &vpx_codec_vp8_dx_algo, &cfg, 0) == VPX_CODEC_OK);
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uint8_t *data = buffer.data();
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data += IVF_FILE_HDR_SZ;
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size -= IVF_FILE_HDR_SZ;
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while (size > IVF_FRAME_HDR_SZ) {
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size_t frame_size = mem_get_le32(data);
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size -= IVF_FRAME_HDR_SZ;
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data += IVF_FRAME_HDR_SZ;
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frame_size = std::min(size, frame_size);
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testInProgress = true;
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vpx_codec_decode(&codec, data, frame_size, nullptr, 0);
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testInProgress = false;
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vpx_codec_iter_t iter = nullptr;
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vpx_image_t *img = nullptr;
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while ((img = vpx_codec_get_frame(&codec, &iter)) != nullptr) {
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if (img->d_w > img->w || img->d_h > img->h) {
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return EXIT_VULNERABLE;
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}
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}
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data += frame_size;
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size -= frame_size;
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}
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vpx_codec_destroy(&codec);
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#endif
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return EXIT_SUCCESS;
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}
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