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qefidpmessage.cpp
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#include "qefi.h"
#include <QtEndian>
#include <QDebug>
#pragma pack(push, 1)
struct qefi_load_option_header {
quint32 attributes;
quint16 path_list_length;
};
#pragma pack(pop)
/* EFI device path header */
#pragma pack(push, 1)
struct qefi_device_path_header {
quint8 type;
quint8 subtype;
quint16 length;
};
#pragma pack(pop)
// Utilities in qefi.cpp
int qefi_dp_length(const struct qefi_device_path_header *dp_header);
int qefi_dp_count(struct qefi_device_path_header *dp_header_pointer,
int max_dp_size);
int qefi_dp_total_size(struct qefi_device_path_header *dp_header_pointer,
int max_dp_size);
QString qefi_parse_ucs2_string(quint8 *data, int max_size);
// Message parsing
QEFIDevicePath *qefi_parse_dp_message_atapi(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_ATAPI)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) + sizeof(quint8) + sizeof(quint16))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 primary = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 slave = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint16 lun =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
return new QEFIDevicePathMessageATAPI(primary, slave, lun);
}
QEFIDevicePath *qefi_parse_dp_message_scsi(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_SCSI)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint16) + sizeof(quint16))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 target =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 lun =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
return new QEFIDevicePathMessageSCSI(target, lun);
}
QEFIDevicePath *qefi_parse_dp_message_fibre_chan(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_FibreChan)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32) + sizeof(quint64) + sizeof(quint64))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 reserved =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint32);
quint64 wwn =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint64);
quint64 lun =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
return new QEFIDevicePathMessageFibreChan(reserved, wwn, lun);
}
QEFIDevicePath *qefi_parse_dp_message_1394(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_1394)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32) + sizeof(quint64))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 reversed =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint32);
quint64 guid =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
return new QEFIDevicePathMessage1394(reversed, guid);
}
QEFIDevicePath *qefi_parse_dp_message_usb(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_USB)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 parentPort = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 inter = *dp_inner_pointer;
return new QEFIDevicePathMessageUSB(parentPort, inter);
}
QEFIDevicePath *qefi_parse_dp_message_i2o(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_I2O)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 target =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
return new QEFIDevicePathMessageI2O(target);
}
QEFIDevicePath *qefi_parse_dp_message_infiniband(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_InfiniBand)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32) + sizeof(quint64) + sizeof(quint64) +
sizeof(quint64) + sizeof(quint64) + sizeof(quint64))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 resourceFlags =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint32);
quint64 portGID1 =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint64);
quint64 portGID2 =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint64);
quint64 sharedField =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint64);
quint64 targetPortID =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint64);
quint64 deviceID =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));
return new QEFIDevicePathMessageInfiniBand(resourceFlags,
portGID1, portGID2, sharedField,
targetPortID, deviceID);
}
QEFIDevicePath *qefi_parse_dp_message_vendor(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_Vendor)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 16)
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
QUuid vendorGuid = qefi_format_guid(dp_inner_pointer);
dp_inner_pointer += 16 * sizeof(quint8);
QByteArray vendorData((char *)dp_inner_pointer,
length - (dp_inner_pointer - (quint8 *)dp));
return new QEFIDevicePathMessageVendor(vendorGuid, vendorData);
}
QEFIDevicePath *qefi_parse_dp_message_mac_addr(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_MACAddr)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 32 + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 *macAddress = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 32;
quint8 interfaceType = *dp_inner_pointer;
return new QEFIDevicePathMessageMACAddr(macAddress, interfaceType);
}
QEFIDevicePath *qefi_parse_dp_message_ipv4(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_IPv4)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 4 + sizeof(quint8) * 4 +
sizeof(quint16) + sizeof(quint16) +
sizeof(quint16) + sizeof(quint8) +
sizeof(quint8) * 4 + sizeof(quint8) * 4)
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 *localIPv4Addr = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 4;
quint8 *remoteIPv4Addr = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 4;
quint16 localPort =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 remotePort =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 protocol =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint8 staticIPAddr = *dp_inner_pointer; // A bool value
dp_inner_pointer += sizeof(quint8);
quint8 *gateway = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 4;
quint8 *netmask = dp_inner_pointer;
return new QEFIDevicePathMessageIPv4Addr(
localIPv4Addr, remoteIPv4Addr,
localPort, remotePort,
protocol, staticIPAddr,
gateway, netmask
);
}
QEFIDevicePath *qefi_parse_dp_message_ipv6(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_IPv6)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 16 + sizeof(quint8) * 16 +
sizeof(quint16) + sizeof(quint16) + sizeof(quint16) +
sizeof(quint8) + sizeof(quint8) + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 *localIPv6Addr = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 16;
quint8 *remoteIPv6Addr = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 16;
quint16 localPort =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 remotePort =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 protocol =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint8 ipAddrOrigin = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 prefixLength = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 gatewayIPv6Addr = *dp_inner_pointer;
return new QEFIDevicePathMessageIPv6Addr(
localIPv6Addr, remoteIPv6Addr,
localPort, remotePort, protocol,
ipAddrOrigin, prefixLength, gatewayIPv6Addr
);
}
QEFIDevicePath *qefi_parse_dp_message_uart(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_UART)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32) + sizeof(quint64) +
sizeof(quint8) + sizeof(quint8) + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 reserved =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint32);
quint64 baudRate =
qFromLittleEndian<quint64>(*((quint64 *)dp_inner_pointer));;
dp_inner_pointer += sizeof(quint64);
quint8 dataBits = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 parity = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 stopBits = *dp_inner_pointer;
return new QEFIDevicePathMessageUART(reserved,
baudRate, dataBits, parity, stopBits);
}
QEFIDevicePath *qefi_parse_dp_message_usb_class(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_USBClass)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint16) + sizeof(quint16) +
sizeof(quint8) + sizeof(quint8) + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 vendorId =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 productId =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint8 deviceClass = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 deviceSubclass = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 deviceProtocol = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
return new QEFIDevicePathMessageUSBClass(vendorId, productId,
deviceClass, deviceSubclass, deviceProtocol);
}
QEFIDevicePath *qefi_parse_dp_message_usb_wwid(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_USBWWID)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint16) + sizeof(quint16))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 vendorId =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 productId =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
// TODO: Parse sn
quint16 *sn = (quint16 *)dp_inner_pointer;
return new QEFIDevicePathMessageUSBWWID(vendorId, productId, sn);
}
QEFIDevicePath *qefi_parse_dp_message_lun(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_LUN)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 lun = *dp_inner_pointer;
return new QEFIDevicePathMessageLUN(lun);
}
QEFIDevicePath *qefi_parse_dp_message_sata(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_SATA)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint16) + sizeof(quint16) + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 hbaPort =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 portMultiplierPort =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint8 lun = *dp_inner_pointer;
return new QEFIDevicePathMessageSATA(hbaPort, portMultiplierPort, lun);
}
QEFIDevicePath *qefi_parse_dp_message_iscsi(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_ISCSI)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint16) + sizeof(quint16) +
sizeof(quint8) * 16 + sizeof(quint16))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 protocol =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint16 options =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
quint8 *lun = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 8;
quint16 tpgt =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint16);
QString targetName(QByteArray((const char *)dp_inner_pointer,
length - (dp_inner_pointer - (quint8 *)dp)));
return new QEFIDevicePathMessageISCSI(protocol, options, lun,
tpgt, targetName);
}
QEFIDevicePath *qefi_parse_dp_message_vlan(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_VLAN)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint16))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 vlanID =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
return new QEFIDevicePathMessageVLAN(vlanID);
}
QEFIDevicePath *qefi_parse_dp_message_fibre_chan_ex(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_FibreChanEx)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32) + sizeof(quint8) * 8 +
sizeof(quint8) * 8)
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 reserved =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint32);
quint8 *wwn = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 8;
quint8 *lun = dp_inner_pointer;
return new QEFIDevicePathMessageFibreChanEx(reserved, wwn, lun);
}
QEFIDevicePath *qefi_parse_dp_message_sas_ex(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_SASEX)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 8 + sizeof(quint8) * 8 +
sizeof(quint8) +
sizeof(quint8) + sizeof(quint16))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint16 vlanID =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
quint8 *sasAddress = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 8;
quint8 *lun = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 8;
quint8 deviceTopologyInfo = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 driveBayID = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint16 rtp =
qFromLittleEndian<quint16>(*((quint16 *)dp_inner_pointer));
return new QEFIDevicePathMessageSASEx(sasAddress, lun,
deviceTopologyInfo, driveBayID, rtp);
}
QEFIDevicePath *qefi_parse_dp_message_nvme(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_NVME)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint32) + sizeof(quint64))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint32 nid =
qFromLittleEndian<quint32>(*((quint32 *)dp_inner_pointer));
dp_inner_pointer += sizeof(quint32);
return new QEFIDevicePathMessageNVME(nid, dp_inner_pointer);
}
QEFIDevicePath *qefi_parse_dp_message_uri(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_URI)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
QUrl uri(QString(QByteArray((const char *)dp_inner_pointer,
length - (dp_inner_pointer - (quint8 *)dp))));
return new QEFIDevicePathMessageURI(uri);
}
QEFIDevicePath *qefi_parse_dp_message_ufs(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_UFS)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 targetID = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
quint8 lun = *dp_inner_pointer;
return new QEFIDevicePathMessageUFS(targetID, lun);
}
QEFIDevicePath *qefi_parse_dp_message_sd(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_SD)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
return new QEFIDevicePathMessageSD(*dp_inner_pointer);
}
QEFIDevicePath *qefi_parse_dp_message_bt(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_BT)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 6)
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
return new QEFIDevicePathMessageBT(dp_inner_pointer);
}
QEFIDevicePath *qefi_parse_dp_message_wifi(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_WiFi)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
int ssid_len = length - sizeof(struct qefi_device_path_header);
QString ssid(QByteArray((const char *)dp_inner_pointer,
ssid_len < 32 ? ssid_len : 32));
return new QEFIDevicePathMessageWiFi(ssid);
}
QEFIDevicePath *qefi_parse_dp_message_emmc(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_EMMC)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
return new QEFIDevicePathMessageEMMC(*dp_inner_pointer);
}
QEFIDevicePath *qefi_parse_dp_message_btle(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_BTLE)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 6 + sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 *address = dp_inner_pointer;
dp_inner_pointer += sizeof(quint8) * 6;
quint8 addressType = *dp_inner_pointer;
return new QEFIDevicePathMessageBTLE(address, addressType);
}
QEFIDevicePath *qefi_parse_dp_message_dns(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_DNS)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8))
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
quint8 is_ipv6 = *dp_inner_pointer;
dp_inner_pointer += sizeof(quint8);
// TODO: Parse addresses
return new QEFIDevicePathMessageDNS();
}
QEFIDevicePath *qefi_parse_dp_message_nvdimm(
struct qefi_device_path_header *dp, int dp_size)
{
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE) return nullptr;
if (dp->type != QEFIDevicePathType::DP_Message ||
dp->subtype != QEFIDevicePathMessageSubType::MSG_NVDIMM)
return nullptr;
int length = qefi_dp_length(dp);
if (length != dp_size || length <= 0) return nullptr;
// Check size
if (dp_size < QEFI_DEVICE_PATH_HEADER_SIZE +
sizeof(quint8) * 8)
return nullptr;
quint8 *dp_inner_pointer = ((quint8 *)dp) + sizeof(struct qefi_device_path_header);
QUuid uuid = qefi_format_guid(dp_inner_pointer);
return new QEFIDevicePathMessageNVDIMM(uuid);
}
QEFIDevicePath *qefi_private_parse_message_subtype(struct qefi_device_path_header *dp, int dp_size)
{
quint8 type = dp->type, subtype = dp->subtype;
if (type != QEFIDevicePathType::DP_Message) return nullptr;
int length = dp_size;
if (length <= 0) return nullptr;
switch (subtype) {
case QEFIDevicePathMessageSubType::MSG_ATAPI:
qDebug() << "Parsing DP message ATAPI";
return qefi_parse_dp_message_atapi(dp, length);
case QEFIDevicePathMessageSubType::MSG_SCSI:
qDebug() << "Parsing DP message SCSI";
return qefi_parse_dp_message_scsi(dp, length);
case QEFIDevicePathMessageSubType::MSG_FibreChan:
qDebug() << "Parsing DP message FibreChan";
return qefi_parse_dp_message_fibre_chan(dp, length);
case QEFIDevicePathMessageSubType::MSG_1394:
qDebug() << "Parsing DP message 1394";
return qefi_parse_dp_message_1394(dp, length);
case QEFIDevicePathMessageSubType::MSG_USB:
qDebug() << "Parsing DP message USB";
return qefi_parse_dp_message_usb(dp, length);
case QEFIDevicePathMessageSubType::MSG_I2O:
qDebug() << "Parsing DP message I2O";
return qefi_parse_dp_message_i2o(dp, length);
case QEFIDevicePathMessageSubType::MSG_InfiniBand:
qDebug() << "Parsing DP message InfiniBand";
return qefi_parse_dp_message_infiniband(dp, length);
case QEFIDevicePathMessageSubType::MSG_Vendor:
qDebug() << "Parsing DP message Vendor";
return qefi_parse_dp_message_vendor(dp, length);
case QEFIDevicePathMessageSubType::MSG_MACAddr:
qDebug() << "Parsing DP message Mac Address";
return qefi_parse_dp_message_mac_addr(dp, length);
case QEFIDevicePathMessageSubType::MSG_IPv4:
qDebug() << "Parsing DP message IPv4";
return qefi_parse_dp_message_ipv4(dp, length);
case QEFIDevicePathMessageSubType::MSG_IPv6:
qDebug() << "Parsing DP message IPv6";
return qefi_parse_dp_message_ipv6(dp, length);
case QEFIDevicePathMessageSubType::MSG_UART:
qDebug() << "Parsing DP message UART";
return qefi_parse_dp_message_uart(dp, length);
case QEFIDevicePathMessageSubType::MSG_USBClass:
qDebug() << "Parsing DP message USB Class";
return qefi_parse_dp_message_usb_class(dp, length);
case QEFIDevicePathMessageSubType::MSG_USBWWID:
qDebug() << "Parsing DP message USBWWID";
return qefi_parse_dp_message_usb_wwid(dp, length);
case QEFIDevicePathMessageSubType::MSG_LUN:
qDebug() << "Parsing DP message LUN";
return qefi_parse_dp_message_lun(dp, length);
case QEFIDevicePathMessageSubType::MSG_SATA:
qDebug() << "Parsing DP message SATA";
return qefi_parse_dp_message_sata(dp, length);
case QEFIDevicePathMessageSubType::MSG_ISCSI:
qDebug() << "Parsing DP message ISCSI";
return qefi_parse_dp_message_iscsi(dp, length);
case QEFIDevicePathMessageSubType::MSG_VLAN:
qDebug() << "Parsing DP message VLAN";
return qefi_parse_dp_message_vlan(dp, length);
case QEFIDevicePathMessageSubType::MSG_FibreChanEx:
qDebug() << "Parsing DP message FibreChanEx";
return qefi_parse_dp_message_fibre_chan_ex(dp, length);
case QEFIDevicePathMessageSubType::MSG_SASEX:
qDebug() << "Parsing DP message SASEX";
return qefi_parse_dp_message_sas_ex(dp, length);
case QEFIDevicePathMessageSubType::MSG_NVME:
qDebug() << "Parsing DP message NVME";
return qefi_parse_dp_message_nvme(dp, length);
case QEFIDevicePathMessageSubType::MSG_URI:
qDebug() << "Parsing DP message URI";
return qefi_parse_dp_message_uri(dp, length);
case QEFIDevicePathMessageSubType::MSG_UFS:
qDebug() << "Parsing DP message UFS";
return qefi_parse_dp_message_ufs(dp, length);
case QEFIDevicePathMessageSubType::MSG_SD:
qDebug() << "Parsing DP message SD";
return qefi_parse_dp_message_sd(dp, length);
case QEFIDevicePathMessageSubType::MSG_BT:
qDebug() << "Parsing DP message Bluetooth";
return qefi_parse_dp_message_bt(dp, length);
case QEFIDevicePathMessageSubType::MSG_WiFi:
qDebug() << "Parsing DP message WiFi";
return qefi_parse_dp_message_wifi(dp, length);
case QEFIDevicePathMessageSubType::MSG_EMMC:
qDebug() << "Parsing DP message EMMC";
return qefi_parse_dp_message_emmc(dp, length);
case QEFIDevicePathMessageSubType::MSG_BTLE:
qDebug() << "Parsing DP message BTLE";
return qefi_parse_dp_message_btle(dp, length);
case QEFIDevicePathMessageSubType::MSG_DNS:
qDebug() << "Parsing DP message DNS";
return qefi_parse_dp_message_dns(dp, length);
case QEFIDevicePathMessageSubType::MSG_NVDIMM:
qDebug() << "Parsing DP message NVDIMM";
return qefi_parse_dp_message_nvdimm(dp, length);
}
return nullptr;
}
// Message formating
QByteArray qefi_format_dp_message_atapi(QEFIDevicePath *dp)
{
if (dp->type() != QEFIDevicePathType::DP_Message ||
dp->subType() != QEFIDevicePathMessageSubType::MSG_ATAPI)
return QByteArray();
QEFIDevicePathMessageATAPI *dp_instance =
dynamic_cast<QEFIDevicePathMessageATAPI *>(dp);
if (dp_instance == nullptr) return QByteArray();
QByteArray buffer;
// Append the types
buffer.append(dp->type());
buffer.append(dp->subType());
// Append the basic length
buffer.append((char)4);
buffer.append((char)0);
// Append the fields
buffer.append(dp_instance->primary());
buffer.append(dp_instance->slave());
quint16 lun =
qToLittleEndian<quint16>(dp_instance->lun());
buffer.append((const char *)&lun, sizeof(quint16));
// Fix the length
quint16 len = (buffer.size() & 0xFFFF);
buffer[2] = (len & 0xFF);
buffer[3] = (len >> 8);
return buffer;
}
QByteArray qefi_format_dp_message_scsi(QEFIDevicePath *dp)
{
if (dp->type() != QEFIDevicePathType::DP_Message ||
dp->subType() != QEFIDevicePathMessageSubType::MSG_SCSI)
return QByteArray();
QEFIDevicePathMessageSCSI *dp_instance =
dynamic_cast<QEFIDevicePathMessageSCSI *>(dp);
if (dp_instance == nullptr) return QByteArray();
QByteArray buffer;
// Append the types
buffer.append(dp->type());
buffer.append(dp->subType());
// Append the basic length
buffer.append((char)4);
buffer.append((char)0);
// Append the fields
quint16 target =
qToLittleEndian<quint16>(dp_instance->target());
buffer.append((const char *)&target, sizeof(quint16));
quint16 lun =
qToLittleEndian<quint16>(dp_instance->lun());
buffer.append((const char *)&lun, sizeof(quint16));
// Fix the length
quint16 len = (buffer.size() & 0xFFFF);
buffer[2] = (len & 0xFF);
buffer[3] = (len >> 8);
return buffer;
}
QByteArray qefi_format_dp_message_fibre_chan(QEFIDevicePath *dp)
{
if (dp->type() != QEFIDevicePathType::DP_Message ||
dp->subType() != QEFIDevicePathMessageSubType::MSG_FibreChan)
return QByteArray();
QEFIDevicePathMessageFibreChan *dp_instance =
dynamic_cast<QEFIDevicePathMessageFibreChan *>(dp);
if (dp_instance == nullptr) return QByteArray();
QByteArray buffer;
// Append the types
buffer.append(dp->type());
buffer.append(dp->subType());
// Append the basic length
buffer.append((char)4);
buffer.append((char)0);
// Append the fields
quint32 reserved =
qToLittleEndian<quint32>(dp_instance->reserved());
buffer.append((const char *)&reserved, sizeof(quint32));
quint64 wwn =
qToLittleEndian<quint64>(dp_instance->wwn());
buffer.append((const char *)&wwn, sizeof(quint64));
quint64 lun =
qToLittleEndian<quint64>(dp_instance->lun());
buffer.append((const char *)&lun, sizeof(quint64));
// Fix the length
quint16 len = (buffer.size() & 0xFFFF);
buffer[2] = (len & 0xFF);
buffer[3] = (len >> 8);
return buffer;