int32_t main(int32_t argc, char** argv, char** envp) __noreturn { int32_t user_status; int32_t serial_status; int32_t status; if (argc == 4) { int32_t user_width = 0; int32_t user_height = 0; void* username_img_data = NULL; void* user_zbar_img = NULL; int32_t serial_width = 0; int32_t serial_height = 0; void* serial_img_data = NULL; void* serial_zbar_img = NULL; char digest[0x40]; strcpy(&digest, argv[1]); void sha512; SHA512_Init(&sha512); SHA512_Update(&sha512, &digest, strlen(argv[1])); SHA512_Final(&digest, &sha512); char qr_data_user[0x40]; user_status = get_qr_data(argv[2], &username_img_data, &user_width, &user_height, &user_zbar_img, &qr_data_user, 0x40); char qr_data_serial[0x40]; serial_status = get_qr_data(argv[3], &serial_img_data, &serial_width, &serial_height, &serial_zbar_img, &qr_data_serial, 0x40); if ((user_status != 0 && serial_status != 0)) { char err = (serial_width != user_width) | (serial_height != user_height) | (user_width != user_height) | (memcmp(&digest, &qr_data_user, 0x40) != 0) | (check_serial(&qr_data_user, &qr_data_serial, 8) == 0); void* an_interesting_output = NULL; int32_t win = something_interesting(username_img_data, serial_img_data, &an_interesting_output, user_width); free(username_img_data); free(serial_img_data); free(an_interesting_output); status = ((uint32_t)(err | ((int8_t)win == 0))); } } else { printf("Usage: %s