diff options
Diffstat (limited to 'MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c')
| -rw-r--r-- | MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c | 253 |
1 files changed, 205 insertions, 48 deletions
diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c index aa94753169c9..7a0f02301ca1 100644 --- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c +++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c @@ -1,14 +1,8 @@ /** @file DevicePathFromText protocol as defined in the UEFI 2.0 specification. -Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved.<BR> -This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -279,7 +273,7 @@ IsHexStr ( while ((*Str != 0) && *Str == L'0') { Str ++; } - + return (BOOLEAN) (*Str == L'x' || *Str == L'X'); } @@ -919,7 +913,16 @@ DevPathFromTextAcpiExp ( ); AcpiEx->HID = EisaIdFromText (HIDStr); - AcpiEx->CID = EisaIdFromText (CIDStr); + // + // According to UEFI spec, the CID parametr is optional and has a default value of 0. + // So when the CID parametr is not specified or specified as 0 in the text device node. + // Set the CID to 0 in the ACPI extension device path structure. + // + if (*CIDStr == L'\0' || *CIDStr == L'0') { + AcpiEx->CID = 0; + } else { + AcpiEx->CID = EisaIdFromText (CIDStr); + } AcpiEx->UID = 0; AsciiStr = (CHAR8 *) ((UINT8 *)AcpiEx + sizeof (ACPI_EXTENDED_HID_DEVICE_PATH)); @@ -980,7 +983,7 @@ DevPathFromTextAcpiAdr ( ASSERT (AcpiAdr != NULL); SetDevicePathNodeLength (AcpiAdr, Length + sizeof (UINT32)); } - + (&AcpiAdr->ADR)[Index] = (UINT32) Strtoi (DisplayDeviceStr); } @@ -1758,12 +1761,12 @@ DevPathFromTextDebugPort ( IN CHAR16 *TextDeviceNode ) { - VENDOR_DEFINED_MESSAGING_DEVICE_PATH *Vend; + VENDOR_DEVICE_PATH *Vend; - Vend = (VENDOR_DEFINED_MESSAGING_DEVICE_PATH *) CreateDeviceNode ( + Vend = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, - (UINT16) sizeof (VENDOR_DEFINED_MESSAGING_DEVICE_PATH) + (UINT16) sizeof (VENDOR_DEVICE_PATH) ); CopyGuid (&Vend->Guid, &gEfiDebugPortProtocolGuid); @@ -1800,6 +1803,10 @@ DevPathFromTextMAC ( MACDevPath->IfType = (UINT8) Strtoi (IfTypeStr); Length = sizeof (EFI_MAC_ADDRESS); + if (MACDevPath->IfType == 0x01 || MACDevPath->IfType == 0x00) { + Length = 6; + } + StrHexToBytes (AddressStr, Length * 2, MACDevPath->MacAddress.Addr, Length); return (EFI_DEVICE_PATH_PROTOCOL *) MACDevPath; @@ -2057,22 +2064,42 @@ ConvertFromTextUsbClass ( PIDStr = GetNextParamStr (&TextDeviceNode); if (UsbClassText->ClassExist) { ClassStr = GetNextParamStr (&TextDeviceNode); - UsbClass->DeviceClass = (UINT8) Strtoi (ClassStr); + if (*ClassStr == L'\0') { + UsbClass->DeviceClass = 0xFF; + } else { + UsbClass->DeviceClass = (UINT8) Strtoi (ClassStr); + } } else { UsbClass->DeviceClass = UsbClassText->Class; } if (UsbClassText->SubClassExist) { SubClassStr = GetNextParamStr (&TextDeviceNode); - UsbClass->DeviceSubClass = (UINT8) Strtoi (SubClassStr); + if (*SubClassStr == L'\0') { + UsbClass->DeviceSubClass = 0xFF; + } else { + UsbClass->DeviceSubClass = (UINT8) Strtoi (SubClassStr); + } } else { UsbClass->DeviceSubClass = UsbClassText->SubClass; } ProtocolStr = GetNextParamStr (&TextDeviceNode); - UsbClass->VendorId = (UINT16) Strtoi (VIDStr); - UsbClass->ProductId = (UINT16) Strtoi (PIDStr); - UsbClass->DeviceProtocol = (UINT8) Strtoi (ProtocolStr); + if (*VIDStr == L'\0') { + UsbClass->VendorId = 0xFFFF; + } else { + UsbClass->VendorId = (UINT16) Strtoi (VIDStr); + } + if (*PIDStr == L'\0') { + UsbClass->ProductId = 0xFFFF; + } else { + UsbClass->ProductId = (UINT16) Strtoi (PIDStr); + } + if (*ProtocolStr == L'\0') { + UsbClass->DeviceProtocol = 0xFF; + } else { + UsbClass->DeviceProtocol = (UINT8) Strtoi (ProtocolStr); + } return (EFI_DEVICE_PATH_PROTOCOL *) UsbClass; } @@ -2538,6 +2565,7 @@ DevPathFromTextiSCSI ( CHAR16 *ProtocolStr; CHAR8 *AsciiStr; ISCSI_DEVICE_PATH_WITH_NAME *ISCSIDevPath; + UINT64 Lun; NameStr = GetNextParamStr (&TextDeviceNode); PortalGroupStr = GetNextParamStr (&TextDeviceNode); @@ -2556,7 +2584,8 @@ DevPathFromTextiSCSI ( StrToAscii (NameStr, &AsciiStr); ISCSIDevPath->TargetPortalGroupTag = (UINT16) Strtoi (PortalGroupStr); - Strtoi64 (LunStr, &ISCSIDevPath->Lun); + Strtoi64 (LunStr, &Lun); + WriteUnaligned64 ((UINT64 *) &ISCSIDevPath->Lun, SwapBytes64 (Lun)); Options = 0x0000; if (StrCmp (HeaderDigestStr, L"CRC32C") == 0) { @@ -2577,7 +2606,14 @@ DevPathFromTextiSCSI ( ISCSIDevPath->LoginOption = (UINT16) Options; - ISCSIDevPath->NetworkProtocol = (UINT16) StrCmp (ProtocolStr, L"TCP"); + if (IS_NULL (*ProtocolStr) || (StrCmp (ProtocolStr, L"TCP") == 0)) { + ISCSIDevPath->NetworkProtocol = 0; + } else { + // + // Undefined and reserved. + // + ISCSIDevPath->NetworkProtocol = 1; + } return (EFI_DEVICE_PATH_PROTOCOL *) ISCSIDevPath; } @@ -2624,35 +2660,20 @@ DevPathFromTextBluetooth ( ) { CHAR16 *BluetoothStr; - CHAR16 *Walker; - CHAR16 *TempNumBuffer; - UINTN TempBufferSize; - INT32 Index; BLUETOOTH_DEVICE_PATH *BluetoothDp; BluetoothStr = GetNextParamStr (&TextDeviceNode); - BluetoothDp = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode ( - MESSAGING_DEVICE_PATH, - MSG_BLUETOOTH_DP, - (UINT16) sizeof (BLUETOOTH_DEVICE_PATH) - ); - - Index = sizeof (BLUETOOTH_ADDRESS) - 1; - Walker = BluetoothStr; - while (!IS_NULL(*Walker) && Index >= 0) { - TempBufferSize = 2 * sizeof(CHAR16) + StrSize(L"0x"); - TempNumBuffer = AllocateZeroPool (TempBufferSize); - if (TempNumBuffer == NULL) { - break; - } - StrCpyS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), L"0x"); - StrnCatS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), Walker, 2); - BluetoothDp->BD_ADDR.Address[Index] = (UINT8)Strtoi (TempNumBuffer); - FreePool (TempNumBuffer); - Walker += 2; - Index--; - } - + BluetoothDp = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_BLUETOOTH_DP, + (UINT16) sizeof (BLUETOOTH_DEVICE_PATH) + ); + StrHexToBytes ( + BluetoothStr, + sizeof (BLUETOOTH_ADDRESS) * 2, + BluetoothDp->BD_ADDR.Address, + sizeof (BLUETOOTH_ADDRESS) + ); return (EFI_DEVICE_PATH_PROTOCOL *) BluetoothDp; } @@ -2696,6 +2717,131 @@ DevPathFromTextWiFi ( } /** + Converts a text device path node to Bluetooth LE device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Bluetooth LE device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextBluetoothLE ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *BluetoothLeAddrStr; + CHAR16 *BluetoothLeAddrTypeStr; + BLUETOOTH_LE_DEVICE_PATH *BluetoothLeDp; + + BluetoothLeAddrStr = GetNextParamStr (&TextDeviceNode); + BluetoothLeAddrTypeStr = GetNextParamStr (&TextDeviceNode); + BluetoothLeDp = (BLUETOOTH_LE_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_BLUETOOTH_LE_DP, + (UINT16) sizeof (BLUETOOTH_LE_DEVICE_PATH) + ); + + BluetoothLeDp->Address.Type = (UINT8) Strtoi (BluetoothLeAddrTypeStr); + StrHexToBytes ( + BluetoothLeAddrStr, sizeof (BluetoothLeDp->Address.Address) * 2, + BluetoothLeDp->Address.Address, sizeof (BluetoothLeDp->Address.Address) + ); + return (EFI_DEVICE_PATH_PROTOCOL *) BluetoothLeDp; +} + +/** + Converts a text device path node to DNS device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created DNS device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextDns ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *DeviceNodeStr; + CHAR16 *DeviceNodeStrPtr; + UINT32 DnsServerIpCount; + UINT16 DnsDeviceNodeLength; + DNS_DEVICE_PATH *DnsDeviceNode; + UINT32 DnsServerIpIndex; + CHAR16 *DnsServerIp; + + + // + // Count the DNS server address number. + // + DeviceNodeStr = UefiDevicePathLibStrDuplicate (TextDeviceNode); + if (DeviceNodeStr == NULL) { + return NULL; + } + + DeviceNodeStrPtr = DeviceNodeStr; + + DnsServerIpCount = 0; + while (DeviceNodeStrPtr != NULL && *DeviceNodeStrPtr != L'\0') { + GetNextParamStr (&DeviceNodeStrPtr); + DnsServerIpCount ++; + } + + FreePool (DeviceNodeStr); + DeviceNodeStr = NULL; + + // + // One or more instances of the DNS server address in EFI_IP_ADDRESS, + // otherwise, NULL will be returned. + // + if (DnsServerIpCount == 0) { + return NULL; + } + + // + // Create the DNS DeviceNode. + // + DnsDeviceNodeLength = (UINT16) (sizeof (EFI_DEVICE_PATH_PROTOCOL) + sizeof (UINT8) + DnsServerIpCount * sizeof (EFI_IP_ADDRESS)); + DnsDeviceNode = (DNS_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_DNS_DP, + DnsDeviceNodeLength + ); + if (DnsDeviceNode == NULL) { + return NULL; + } + + // + // Confirm the DNS server address is IPv4 or IPv6 type. + // + DeviceNodeStrPtr = TextDeviceNode; + while (!IS_NULL (*DeviceNodeStrPtr)) { + if (*DeviceNodeStrPtr == L'.') { + DnsDeviceNode->IsIPv6 = 0x00; + break; + } + + if (*DeviceNodeStrPtr == L':') { + DnsDeviceNode->IsIPv6 = 0x01; + break; + } + + DeviceNodeStrPtr++; + } + + for (DnsServerIpIndex = 0; DnsServerIpIndex < DnsServerIpCount; DnsServerIpIndex++) { + DnsServerIp = GetNextParamStr (&TextDeviceNode); + if (DnsDeviceNode->IsIPv6 == 0x00) { + StrToIpv4Address (DnsServerIp, NULL, &(DnsDeviceNode->DnsServerIp[DnsServerIpIndex].v4), NULL); + } else { + StrToIpv6Address (DnsServerIp, NULL, &(DnsDeviceNode->DnsServerIp[DnsServerIpIndex].v6), NULL); + } + } + + return (EFI_DEVICE_PATH_PROTOCOL *) DnsDeviceNode; +} + +/** Converts a text device path node to URI device path structure. @param TextDeviceNode The input Text device path node. @@ -3293,7 +3439,15 @@ DevPathFromTextSata ( (UINT16) sizeof (SATA_DEVICE_PATH) ); Sata->HBAPortNumber = (UINT16) Strtoi (Param1); - Sata->PortMultiplierPortNumber = (UINT16) Strtoi (Param2); + + // + // According to UEFI spec, if PMPN is not provided, the default is 0xFFFF + // + if (*Param2 == L'\0' ) { + Sata->PortMultiplierPortNumber = 0xFFFF; + } else { + Sata->PortMultiplierPortNumber = (UINT16) Strtoi (Param2); + } Sata->Lun = (UINT16) Strtoi (Param3); return (EFI_DEVICE_PATH_PROTOCOL *) Sata; @@ -3368,9 +3522,11 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP {L"Unit", DevPathFromTextUnit }, {L"iSCSI", DevPathFromTextiSCSI }, {L"Vlan", DevPathFromTextVlan }, + {L"Dns", DevPathFromTextDns }, {L"Uri", DevPathFromTextUri }, {L"Bluetooth", DevPathFromTextBluetooth }, {L"Wi-Fi", DevPathFromTextWiFi }, + {L"BluetoothLE", DevPathFromTextBluetoothLE }, {L"MediaPath", DevPathFromTextMediaPath }, {L"HD", DevPathFromTextHD }, {L"CDROM", DevPathFromTextCDROM }, @@ -3496,6 +3652,7 @@ UefiDevicePathLibConvertTextToDevicePath ( DeviceNode = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH); ASSERT (DeviceNode != NULL); SetDevicePathEndNode (DeviceNode); + DeviceNode->SubType = END_INSTANCE_DEVICE_PATH_SUBTYPE; NewDevicePath = AppendDevicePathNode (DevicePath, DeviceNode); FreePool (DevicePath); |