From 27434dc0e877845cbfb229c5154c342107866fd5 Mon Sep 17 00:00:00 2001 From: Szczepan Zalega Date: Sat, 5 Mar 2016 15:50:53 +0100 Subject: formatted code with clang-format-3.6 with style=google --- include/device_proto.h | 302 +++++++++++++++++++++++-------------------------- 1 file changed, 142 insertions(+), 160 deletions(-) (limited to 'include/device_proto.h') diff --git a/include/device_proto.h b/include/device_proto.h index c8f1ff2..142b45b 100644 --- a/include/device_proto.h +++ b/include/device_proto.h @@ -23,10 +23,10 @@ #define PWS_PASSWORD_LENGTH 20 #define PWS_LOGINNAME_LENGTH 32 -#define PWS_SEND_PASSWORD 0 -#define PWS_SEND_LOGINNAME 1 -#define PWS_SEND_TAB 2 -#define PWS_SEND_CR 3 +#define PWS_SEND_PASSWORD 0 +#define PWS_SEND_LOGINNAME 1 +#define PWS_SEND_TAB 2 +#define PWS_SEND_CR 3 namespace nitrokey { namespace proto { @@ -42,46 +42,42 @@ namespace proto { */ template struct HIDReport { - uint8_t _zero; - CommandID command_id; // uint8_t - union { - uint8_t _padding[HID_REPORT_SIZE - 6]; - Payload payload; - } __packed; - uint32_t crc; - - // POD types can't have non-default constructors - // used in Transaction<>::run() - void initialize() { - bzero(this, sizeof *this); - command_id = cmd_id; - } - - uint32_t calculate_CRC() const { - // w/o leading zero, a part of each HID packet - // w/o 4-byte crc - return misc::stm_crc32((const uint8_t *)(this) + 1, - (size_t)(HID_REPORT_SIZE - 5)); - } - - void update_CRC() { - crc = calculate_CRC(); - } - - bool isCRCcorrect() const { - return crc == calculate_CRC(); - } - - bool isValid() const { - return true; -// return !_zero && payload.isValid() && isCRCcorrect(); - } - - operator std::string() const { - // Packet type is known upfront in normal operation. - // Can't be used to dissect random packets. - return QueryDissector::dissect(*this); - } + uint8_t _zero; + CommandID command_id; // uint8_t + union { + uint8_t _padding[HID_REPORT_SIZE - 6]; + Payload payload; + } __packed; + uint32_t crc; + + // POD types can't have non-default constructors + // used in Transaction<>::run() + void initialize() { + bzero(this, sizeof *this); + command_id = cmd_id; + } + + uint32_t calculate_CRC() const { + // w/o leading zero, a part of each HID packet + // w/o 4-byte crc + return misc::stm_crc32((const uint8_t *)(this) + 1, + (size_t)(HID_REPORT_SIZE - 5)); + } + + void update_CRC() { crc = calculate_CRC(); } + + bool isCRCcorrect() const { return crc == calculate_CRC(); } + + bool isValid() const { + return true; + // return !_zero && payload.isValid() && isCRCcorrect(); + } + + operator std::string() const { + // Packet type is known upfront in normal operation. + // Can't be used to dissect random packets. + return QueryDissector::dissect(*this); + } } __packed; /* @@ -92,131 +88,117 @@ struct HIDReport { */ template struct DeviceResponse { - uint8_t _zero; - uint8_t device_status; - uint8_t command_id; // originally last_command_type - uint32_t last_command_crc; - uint8_t last_command_status; - union { - uint8_t _padding[HID_REPORT_SIZE - 12]; - ResponsePayload payload; - } __packed; - uint32_t crc; - - void initialize() { - bzero(this, sizeof *this); - } - - uint32_t calculate_CRC() const { - // w/o leading zero, a part of each HID packet - // w/o 4-byte crc - return misc::stm_crc32((const uint8_t *)(this) + 1, - (size_t)(HID_REPORT_SIZE - 5)); - } - - void update_CRC() { - crc = calculate_CRC(); - } - - bool isCRCcorrect() const { - return crc == calculate_CRC(); - } - - bool isValid() const { -// return !_zero && payload.isValid() && isCRCcorrect() && -// command_id == (uint8_t)(cmd_id); - return true; - } - - operator std::string() const { - return ResponseDissector::dissect(*this); - } + uint8_t _zero; + uint8_t device_status; + uint8_t command_id; // originally last_command_type + uint32_t last_command_crc; + uint8_t last_command_status; + union { + uint8_t _padding[HID_REPORT_SIZE - 12]; + ResponsePayload payload; + } __packed; + uint32_t crc; + + void initialize() { bzero(this, sizeof *this); } + + uint32_t calculate_CRC() const { + // w/o leading zero, a part of each HID packet + // w/o 4-byte crc + return misc::stm_crc32((const uint8_t *)(this) + 1, + (size_t)(HID_REPORT_SIZE - 5)); + } + + void update_CRC() { crc = calculate_CRC(); } + + bool isCRCcorrect() const { return crc == calculate_CRC(); } + + bool isValid() const { + // return !_zero && payload.isValid() && isCRCcorrect() && + // command_id == (uint8_t)(cmd_id); + return true; + } + + operator std::string() const { + return ResponseDissector::dissect(*this); + } } __packed; struct EmptyPayload { - uint8_t _data[]; + uint8_t _data[]; - bool isValid() const { - return true; - } + bool isValid() const { return true; } - std::string dissect() const { - return std::string("Empty Payload."); - } + std::string dissect() const { return std::string("Empty Payload."); } } __packed; -template +template class Transaction : semantics::non_constructible { -public: - // Types declared in command class scope can't be reached from there. - typedef command_payload CommandPayload; - typedef response_payload ResponsePayload; - - typedef struct HIDReport OutgoingPacket; - typedef struct DeviceResponse ResponsePacket; - - static_assert(std::is_pod::value, - "outgoingpacket must be a pod type"); - static_assert(std::is_pod::value, - "ResponsePacket must be a POD type"); - static_assert(sizeof(OutgoingPacket) == HID_REPORT_SIZE, - "OutgoingPacket type is not the right size"); - static_assert(sizeof(ResponsePacket) == HID_REPORT_SIZE, - "ResponsePacket type is not the right size"); - - static response_payload run(device::Device &dev, - const command_payload &payload) { - using namespace ::nitrokey::device; - using namespace ::nitrokey::log; - - Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2); - - CommError status; - OutgoingPacket outp; - ResponsePacket resp; - - // POD types can't have non-default constructors - outp.initialize(); - resp.initialize(); - - outp.payload = payload; - outp.update_CRC(); - - Log::instance()("Outgoing HID packet:", Loglevel::DEBUG); - Log::instance()((std::string)(outp), Loglevel::DEBUG); - - if (!outp.isValid()) - throw std::runtime_error("Invalid outgoing packet"); - - status = dev.send(&outp); - if ((int)(status) < 0 && status != CommError::ERR_NO_ERROR) - throw std::runtime_error( - std::string("Device error while sending command ") + - std::to_string((int)(status))); - - status = dev.recv(&resp); - if ((int)(status) < 0 && status != CommError::ERR_NO_ERROR) - throw std::runtime_error( - std::string("Device error while executing command ") + - std::to_string((int)(status))); - - Log::instance()("Incoming HID packet:", Loglevel::DEBUG); - Log::instance()((std::string)(resp), Loglevel::DEBUG); - - if (!resp.isValid()) - throw std::runtime_error("Invalid incoming packet"); - - // See: DeviceResponse - return resp.payload; - } - - static response_payload run(device::Device &dev) { - command_payload empty_payload; - return run(dev, empty_payload); - } + public: + // Types declared in command class scope can't be reached from there. + typedef command_payload CommandPayload; + typedef response_payload ResponsePayload; + + typedef struct HIDReport OutgoingPacket; + typedef struct DeviceResponse ResponsePacket; + + static_assert(std::is_pod::value, + "outgoingpacket must be a pod type"); + static_assert(std::is_pod::value, + "ResponsePacket must be a POD type"); + static_assert(sizeof(OutgoingPacket) == HID_REPORT_SIZE, + "OutgoingPacket type is not the right size"); + static_assert(sizeof(ResponsePacket) == HID_REPORT_SIZE, + "ResponsePacket type is not the right size"); + + static response_payload run(device::Device &dev, + const command_payload &payload) { + using namespace ::nitrokey::device; + using namespace ::nitrokey::log; + + Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2); + + CommError status; + OutgoingPacket outp; + ResponsePacket resp; + + // POD types can't have non-default constructors + outp.initialize(); + resp.initialize(); + + outp.payload = payload; + outp.update_CRC(); + + Log::instance()("Outgoing HID packet:", Loglevel::DEBUG); + Log::instance()((std::string)(outp), Loglevel::DEBUG); + + if (!outp.isValid()) throw std::runtime_error("Invalid outgoing packet"); + + status = dev.send(&outp); + if ((int)(status) < 0 && status != CommError::ERR_NO_ERROR) + throw std::runtime_error( + std::string("Device error while sending command ") + + std::to_string((int)(status))); + + status = dev.recv(&resp); + if ((int)(status) < 0 && status != CommError::ERR_NO_ERROR) + throw std::runtime_error( + std::string("Device error while executing command ") + + std::to_string((int)(status))); + + Log::instance()("Incoming HID packet:", Loglevel::DEBUG); + Log::instance()((std::string)(resp), Loglevel::DEBUG); + + if (!resp.isValid()) throw std::runtime_error("Invalid incoming packet"); + + // See: DeviceResponse + return resp.payload; + } + + static response_payload run(device::Device &dev) { + command_payload empty_payload; + return run(dev, empty_payload); + } }; - } } #endif -- cgit v1.2.1