commit eb375c52c5036b39e3ecc78db1a12dcb6963d6c7 Author: cfif Date: Tue May 26 11:31:36 2026 +0300 Init diff --git a/APP/main.c b/APP/main.c new file mode 100644 index 0000000..5998926 --- /dev/null +++ b/APP/main.c @@ -0,0 +1,520 @@ +#include +#include +#include +#include +#include + +// Таблица CRC32 для полинома 0xEDB88320 (IEEE 802.3) +static const uint32_t crc32_table[256] = { + 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, + 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, + 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2, + 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, + 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, + 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, + 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, + 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, + 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, + 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, + 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106, + 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, + 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, + 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, + 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950, + 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, + 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, + 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, + 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, + 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, + 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, + 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, + 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, + 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, + 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, + 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, + 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E, + 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, + 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, + 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, + 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, + 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, + 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, + 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, + 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242, + 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, + 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, + 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, + 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, + 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, + 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, + 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, + 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D +}; + +// Структура для параметров командной строки +typedef struct { + char *filename; + int write_crc; // Флаг: записывать CRC в файл + int verify_crc; // Флаг: проверять CRC + int show_only; // Флаг: только показать CRC без записи + int verbose; // Флаг: подробный вывод +} ProgramOptions; + +// Прототипы функций +void print_usage(const char *program_name); +int parse_arguments(int argc, char *argv[], ProgramOptions *options); +uint32_t calculate_crc32(const uint8_t *data, uint32_t len); +uint32_t calculate_file_crc32_without_last4(const char *filename, int verbose); +uint32_t calculate_file_crc32_full(const char *filename, int verbose); +int write_crc32_to_file(const char *filename, uint32_t crc_value, int verbose); +int verify_crc32(const char *filename, int verbose); + +/** + * @brief Вычисляет CRC32 (IEEE 802.3) для блока данных в памяти + */ +uint32_t calculate_crc32(const uint8_t *data, uint32_t len) { + uint32_t crc = 0xFFFFFFFF; + + for (uint32_t i = 0; i < len; i++) { + crc = (crc >> 8) ^ crc32_table[(crc ^ data[i]) & 0xFF]; + } + + return crc ^ 0xFFFFFFFF; +} + +/** + * @brief Вычисляет CRC32 для файла, исключая последние 4 байта + * Используется для записи и проверки CRC + */ +uint32_t calculate_file_crc32_without_last4(const char *filename, int verbose) { + FILE *file = NULL; + uint8_t *buffer = NULL; + long file_size = 0; + uint32_t crc = 0; + + file = fopen(filename, "rb"); + if (file == NULL) { + perror("Failed to open file"); + return 0; + } + + // Получаем размер файла + if (fseek(file, 0, SEEK_END) != 0) { + perror("Failed to seek to end"); + fclose(file); + return 0; + } + + file_size = ftell(file); + + if (file_size < 4) { + fprintf(stderr, "File size (%ld bytes) is less than 4 bytes\n", file_size); + fclose(file); + return 0; + } + + long data_size = file_size - 4; // Размер данных без последних 4 байт + + if (verbose) { + printf("File size: %ld bytes\n", file_size); + printf("Data size for CRC calculation (without last 4 bytes): %ld bytes\n", data_size); + } + + // Выделяем память под данные + buffer = (uint8_t*)malloc(data_size); + if (buffer == NULL && data_size > 0) { + perror("Failed to allocate memory"); + fclose(file); + return 0; + } + + // Возвращаемся в начало + if (fseek(file, 0, SEEK_SET) != 0) { + perror("Failed to seek to beginning"); + free(buffer); + fclose(file); + return 0; + } + + // Читаем данные (все, кроме последних 4 байт) + if (data_size > 0) { + size_t bytes_read = fread(buffer, 1, data_size, file); + if (bytes_read != data_size) { + fprintf(stderr, "Failed to read file data. Read %zu bytes, expected %ld bytes\n", + bytes_read, data_size); + free(buffer); + fclose(file); + return 0; + } + } + + // Вычисляем CRC + if (data_size > 0) { + crc = calculate_crc32(buffer, data_size); + } else { + crc = calculate_crc32(NULL, 0); + } + + free(buffer); + fclose(file); + + return crc; +} + +/** + * @brief Вычисляет CRC32 для всего файла (включая последние 4 байта) + * Используется только для показа CRC + */ +uint32_t calculate_file_crc32_full(const char *filename, int verbose) { + FILE *file = NULL; + uint8_t *buffer = NULL; + long file_size = 0; + uint32_t crc = 0; + + file = fopen(filename, "rb"); + if (file == NULL) { + perror("Failed to open file"); + return 0; + } + + if (fseek(file, 0, SEEK_END) != 0) { + perror("Failed to seek to end"); + fclose(file); + return 0; + } + + file_size = ftell(file); + if (verbose) { + printf("File size: %ld bytes\n", file_size); + } + + if (file_size <= 0) { + fprintf(stderr, "File is empty\n"); + fclose(file); + return 0; + } + + buffer = (uint8_t*)malloc(file_size); + if (buffer == NULL) { + perror("Failed to allocate memory"); + fclose(file); + return 0; + } + + if (fseek(file, 0, SEEK_SET) != 0) { + perror("Failed to seek to beginning"); + free(buffer); + fclose(file); + return 0; + } + + size_t bytes_read = fread(buffer, 1, file_size, file); + if (bytes_read != file_size) { + fprintf(stderr, "Failed to read entire file\n"); + free(buffer); + fclose(file); + return 0; + } + + crc = calculate_crc32(buffer, file_size); + + free(buffer); + fclose(file); + + return crc; +} + +/** + * @brief Записывает CRC32 в последние 4 байта файла + */ +int write_crc32_to_file(const char *filename, uint32_t crc_value, int verbose) { + FILE *file = NULL; + long file_size; + + file = fopen(filename, "rb+"); + if (file == NULL) { + perror("Failed to open file for writing"); + return -1; + } + + if (fseek(file, 0, SEEK_END) != 0) { + perror("Failed to seek to end"); + fclose(file); + return -1; + } + + file_size = ftell(file); + if (file_size < 4) { + fprintf(stderr, "File size (%ld bytes) is less than 4 bytes\n", file_size); + fclose(file); + return -1; + } + + // Перемещаемся на позицию последних 4 байт + if (fseek(file, file_size - 4, SEEK_SET) != 0) { + perror("Failed to seek to CRC position"); + fclose(file); + return -1; + } + + // Записываем CRC в little-endian порядке + uint8_t crc_bytes[4]; + crc_bytes[0] = (crc_value >> 0) & 0xFF; + crc_bytes[1] = (crc_value >> 8) & 0xFF; + crc_bytes[2] = (crc_value >> 16) & 0xFF; + crc_bytes[3] = (crc_value >> 24) & 0xFF; + + size_t bytes_written = fwrite(crc_bytes, 1, 4, file); + if (bytes_written != 4) { + fprintf(stderr, "Failed to write CRC to file\n"); + fclose(file); + return -1; + } + + fclose(file); + + if (verbose) { + printf("CRC32 value written: 0x%08X (%u)\n", crc_value, crc_value); + printf("Written to bytes: %ld-%ld\n", file_size - 4, file_size - 1); + printf("Byte order: little-endian (LSB first)\n"); + } + + return 0; +} + +/** + * @brief Проверяет CRC32, сравнивая вычисленное значение с сохраненным + */ +int verify_crc32(const char *filename, int verbose) { + FILE *file = NULL; + long file_size; + uint32_t calculated_crc = 0; + uint32_t stored_crc = 0; + + file = fopen(filename, "rb"); + if (file == NULL) { + perror("Failed to open file"); + return -1; + } + + if (fseek(file, 0, SEEK_END) != 0) { + perror("Failed to seek to end"); + fclose(file); + return -1; + } + + file_size = ftell(file); + if (file_size < 4) { + fprintf(stderr, "File size (%ld bytes) is less than 4 bytes\n", file_size); + fclose(file); + return -1; + } + + if (verbose) { + printf("File size: %ld bytes\n", file_size); + } + + // Читаем сохраненный CRC из последних 4 байт + if (fseek(file, file_size - 4, SEEK_SET) != 0) { + perror("Failed to seek to stored CRC"); + fclose(file); + return -1; + } + + uint8_t crc_bytes[4]; + size_t bytes_read = fread(crc_bytes, 1, 4, file); + if (bytes_read != 4) { + fprintf(stderr, "Failed to read stored CRC\n"); + fclose(file); + return -1; + } + + stored_crc = (uint32_t)crc_bytes[0] << 0 | + (uint32_t)crc_bytes[1] << 8 | + (uint32_t)crc_bytes[2] << 16 | + (uint32_t)crc_bytes[3] << 24; + + fclose(file); + + // Вычисляем CRC для данных (без последних 4 байт) + calculated_crc = calculate_file_crc32_without_last4(filename, verbose); + if (calculated_crc == 0) { + fprintf(stderr, "Failed to calculate CRC\n"); + return -1; + } + + // Всегда выводим значения CRC при проверке + printf("\n╔════════════════════════════════════════╗\n"); + printf("║ CRC32 Verification ║\n"); + printf("╠════════════════════════════════════════╣\n"); + printf("║ Stored CRC : 0x%08X (%10u) ║\n", stored_crc, stored_crc); + printf("║ Calculated CRC : 0x%08X (%10u) ║\n", calculated_crc, calculated_crc); + printf("╚════════════════════════════════════════╝\n"); + + if (calculated_crc == stored_crc) { + printf("\n✓ VERIFIED: CRC matches! File integrity check passed.\n"); + return 0; + } else { + printf("\n✗ MISMATCH: File is corrupted or CRC was not written correctly!\n"); + printf(" Difference: 0x%08X\n", calculated_crc ^ stored_crc); + return 1; + } +} + +/** + * @brief Выводит справку + */ +void print_usage(const char *program_name) { + printf("\nCRC32 Tool for BIN files\n"); + printf("========================\n\n"); + printf("Usage: %s [OPTIONS] \n\n", program_name); + printf("Options:\n"); + printf(" -w, --write Calculate CRC32 from all except last 4 bytes\n"); + printf(" and write it to last 4 bytes\n"); + printf(" -c, --check Verify CRC32 by comparing with stored value\n"); + printf(" -s, --show-only Calculate and display CRC32 of entire file\n"); + printf(" -v, --verbose Show detailed information\n"); + printf(" -h, --help Show this help\n"); + printf("\nExamples:\n"); + printf(" %s -s firmware.bin # Show CRC32 of entire file\n", program_name); + printf(" %s -w firmware.bin # Write CRC32 to last 4 bytes\n", program_name); + printf(" %s -c firmware.bin # Verify CRC32\n", program_name); + printf(" %s -v -w firmware.bin # Write with verbose output\n", program_name); + printf("\nNote:\n"); + printf(" For -w and -c operations, CRC is calculated from the first\n"); + printf(" (file_size - 4) bytes, ignoring the last 4 bytes.\n"); + printf("\n"); +} + +/** + * @brief Разбирает аргументы командной строки + */ +int parse_arguments(int argc, char *argv[], ProgramOptions *options) { + int option_index = 0; + int c; + + static struct option long_options[] = { + {"write", no_argument, 0, 'w'}, + {"check", no_argument, 0, 'c'}, + {"show-only", no_argument, 0, 's'}, + {"verbose", no_argument, 0, 'v'}, + {"help", no_argument, 0, 'h'}, + {0, 0, 0, 0} + }; + + memset(options, 0, sizeof(ProgramOptions)); + + while ((c = getopt_long(argc, argv, "wcsvh", long_options, &option_index)) != -1) { + switch (c) { + case 'w': + options->write_crc = 1; + break; + case 'c': + options->verify_crc = 1; + break; + case 's': + options->show_only = 1; + break; + case 'v': + options->verbose = 1; + break; + case 'h': + print_usage(argv[0]); + return -1; + case '?': + return -1; + } + } + + if (optind >= argc) { + fprintf(stderr, "Error: No filename specified.\n"); + print_usage(argv[0]); + return -1; + } + + options->filename = argv[optind]; + + if (!options->write_crc && !options->verify_crc && !options->show_only) { + options->show_only = 1; + } + + int mode_count = options->write_crc + options->verify_crc + options->show_only; + if (mode_count > 1) { + fprintf(stderr, "Error: Cannot use multiple modes\n"); + return -1; + } + + return 0; +} + +/** + * @brief Главная функция + */ +int main(int argc, char *argv[]) { + ProgramOptions options; + uint32_t crc_value; + int result = 0; + + if (parse_arguments(argc, argv, &options) != 0) { + return 1; + } + + if (options.show_only) { + // Показать CRC всего файла + printf("\n--- CRC32 of %s ---\n", options.filename); + crc_value = calculate_file_crc32_full(options.filename, options.verbose); + if (crc_value == 0) { + fprintf(stderr, "Failed to calculate CRC32\n"); + return 1; + } + printf("\nCRC32 (full file): 0x%08X (%u)\n", crc_value, crc_value); + + } + else if (options.write_crc) { + // Записать CRC + printf("\n--- Writing CRC32 to %s ---\n", options.filename); + + if (options.verbose) { + printf("\nStep 1: Calculating CRC32 from first (file_size - 4) bytes...\n"); + } + + crc_value = calculate_file_crc32_without_last4(options.filename, options.verbose); + if (crc_value == 0) { + fprintf(stderr, "Failed to calculate CRC32\n"); + return 1; + } + + // Всегда выводим вычисленное CRC при записи + printf("\n╔════════════════════════════════════════╗\n"); + printf("║ CRC32 Calculation ║\n"); + printf("╠════════════════════════════════════════╣\n"); + printf("║ Calculated CRC : 0x%08X (%10u) ║\n", crc_value, crc_value); + printf("╚════════════════════════════════════════╝\n"); + + if (options.verbose) { + printf("\nStep 2: Writing to last 4 bytes...\n"); + } + + result = write_crc32_to_file(options.filename, crc_value, options.verbose); + if (result != 0) { + fprintf(stderr, "Failed to write CRC32\n"); + return 1; + } + + printf("\n✓ CRC32 successfully written to file\n"); + + // Опционально: проверим сразу после записи + if (options.verbose) { + printf("\n--- Verifying after write ---\n"); + verify_crc32(options.filename, 0); + } + + } + else if (options.verify_crc) { + // Проверить CRC + printf("\n--- Verifying CRC32 for %s ---\n", options.filename); + result = verify_crc32(options.filename, options.verbose); + } + + return result; +} \ No newline at end of file diff --git a/APP/modular.json b/APP/modular.json new file mode 100644 index 0000000..2573066 --- /dev/null +++ b/APP/modular.json @@ -0,0 +1,13 @@ +{ + + "cmake": { + "inc_dirs": [ + "./inc/" + ], + "srcs": [ + "./main.c", + "./src/*.c", + "./src/*.c" + ] + } +} \ No newline at end of file diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..897084f --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,23 @@ +cmake_minimum_required(VERSION 3.17) +project(fc_bin_hvac) + +set(CMAKE_CXX_STANDARD 17) + +include(modular.cmake) + +#link_directories(/usr/local/opt/libpq/lib/) +#include_directories(/usr/local/opt/libpq/include) +#link_directories(/usr/lib/x86_64-linux-gnu/) +#include_directories(/usr/include/postgresql) + +#link_libraries(m) +#link_libraries(pq) +#link_libraries(tcp) +#link_libraries(pthread) + +set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -funsigned-char -pipe -Wl,-Os -std=gnu++2a -Wall -Wextra") + +add_executable(fc_bin_hvac ${SOURCES}) + + + diff --git a/modular.cmake b/modular.cmake new file mode 100644 index 0000000..bc4b615 --- /dev/null +++ b/modular.cmake @@ -0,0 +1,12 @@ +function(add_sources FILE_LIST FILES_PATH) + file(GLOB_RECURSE ADD_FILES_LIST ${FILES_PATH}) + list(APPEND ${FILE_LIST} ${ADD_FILES_LIST}) + set(${FILE_LIST} ${${FILE_LIST}} PARENT_SCOPE) +endfunction() + +include_directories("APP/inc/") + +add_sources(SOURCES "APP/main.c") +add_sources(SOURCES "APP/src/*.c") +add_sources(SOURCES "APP/src/*.c") + diff --git a/modular.json b/modular.json new file mode 100644 index 0000000..6034ef1 --- /dev/null +++ b/modular.json @@ -0,0 +1,14 @@ +{ + "dep": [ + { + "type": "local", + "dir": "APP" + } + ], + "cmake": { + "inc_dirs": [ + ], + "srcs": [ + ] + } +} \ No newline at end of file