| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <fstream> |
| |
| #include "ufdt_test_overlay.h" |
| |
| extern "C" { |
| |
| #include "ufdt_overlay.h" |
| #include "libufdt_sysdeps.h" |
| |
| } |
| |
| size_t read_file_to_buf(const char *filename, char** buf) { |
| size_t size = 0; |
| std::ifstream file(filename, std::ios::binary | std::ios::in); |
| |
| if (!file) { |
| return size; |
| } |
| |
| file.seekg(0, file.end); |
| size = file.tellg(); |
| file.seekg(0, std::ios::beg); |
| |
| *buf = new char[size]; |
| file.read(*buf, size); |
| return size; |
| } |
| |
| int verify_overlay_files(const char *final_filename, |
| char** overlay_filenames, size_t overlay_count) { |
| char* final_buf = nullptr; |
| void** overlay_buf_array = new void*[overlay_count]; |
| struct fdt_header *blob = nullptr; |
| int result = 1; |
| size_t final_size = 0, overlay_size = 0; |
| |
| final_size = read_file_to_buf(final_filename, &final_buf); |
| if (final_size == 0) { |
| fprintf(stderr, "Cannot load final DTB: %s \n", final_filename); |
| goto end; |
| } |
| |
| for (size_t i = 0; i < overlay_count; i++) { |
| overlay_size = read_file_to_buf(overlay_filenames[i], |
| reinterpret_cast<char**>(&overlay_buf_array[i])); |
| if (overlay_size == 0) { |
| fprintf(stderr, "Cannot load DTB Overlay: %s\n", overlay_filenames[i]); |
| goto end; |
| } |
| } |
| |
| blob = ufdt_install_blob(final_buf, final_size); |
| if (!blob) { |
| fprintf(stderr, "ufdt_install_blob() returns null\n"); |
| goto end; |
| } |
| |
| result = ufdt_verify_dtbo(blob, final_size, overlay_buf_array, overlay_count); |
| |
| if (result != 0) { |
| fprintf(stderr, "bad overlay error"); |
| } |
| |
| end: |
| // Do not dto_free(blob) - it's the same as final_buf. |
| for (size_t i = 0; i < overlay_count; i++) { |
| if (overlay_buf_array[i]) dto_free(overlay_buf_array[i]); |
| } |
| delete[] overlay_buf_array; |
| |
| if (final_buf) dto_free(final_buf); |
| |
| return result; |
| } |
| |
| int main(int argc, char **argv) { |
| if (argc < 3) { |
| fprintf(stderr, "Usage: %s <final_file> <overlay_file1> <overlay_file2> ..\n", argv[0]); |
| return 1; |
| } |
| |
| const char *final_file = argv[1]; |
| char** overlay_file_names = new char*[argc - 2]; |
| |
| for(int argv_idx = 2; argv_idx < argc; argv_idx++) { |
| overlay_file_names[argv_idx - 2] = argv[argv_idx]; |
| } |
| int ret = verify_overlay_files(final_file, overlay_file_names, argc - 2); |
| |
| return ret == 0 ? ret : 1; |
| } |