Fix several bugs in DevicePathLib implementation regarding the device path node and text conversion.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14827 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 64 insertions, 48 deletions

diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
index 91203190ea..8943191bd4 100644
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
@@ -479,7 +479,7 @@ StrToIPv4Addr (
   UINTN  Index;

 

   for (Index = 0; Index < 4; Index++) {

-    IPv4Addr->Addr[Index] = (UINT8) StrDecimalToUintn (SplitStr (Str, L'.'));

+    IPv4Addr->Addr[Index] = (UINT8) Strtoi (SplitStr (Str, L'.'));

   }

 }

 

@@ -1055,8 +1055,8 @@ DevPathFromTextAcpiAdr (
 **/

 EFI_DEVICE_PATH_PROTOCOL *

 DevPathFromTextAta (

-  IN CHAR16 *TextDeviceNode

-  )

+IN CHAR16 *TextDeviceNode

+)

 {

   CHAR16            *PrimarySecondaryStr;

   CHAR16            *SlaveMasterStr;

@@ -1064,18 +1064,31 @@ DevPathFromTextAta (
   ATAPI_DEVICE_PATH *Atapi;

 

   Atapi = (ATAPI_DEVICE_PATH *) CreateDeviceNode (

-                                  MESSAGING_DEVICE_PATH,

-                                  MSG_ATAPI_DP,

-                                  (UINT16) sizeof (ATAPI_DEVICE_PATH)

-                                  );

-

-  PrimarySecondaryStr     = GetNextParamStr (&TextDeviceNode);

-  SlaveMasterStr          = GetNextParamStr (&TextDeviceNode);

-  LunStr                  = GetNextParamStr (&TextDeviceNode);

+    MESSAGING_DEVICE_PATH,

+    MSG_ATAPI_DP,

+    (UINT16) sizeof (ATAPI_DEVICE_PATH)

+    );

+

+  PrimarySecondaryStr = GetNextParamStr (&TextDeviceNode);

+  SlaveMasterStr      = GetNextParamStr (&TextDeviceNode);

+  LunStr              = GetNextParamStr (&TextDeviceNode);

+

+  if (StrCmp (PrimarySecondaryStr, L"Primary") == 0) {

+    Atapi->PrimarySecondary = 0;

+  } else if (StrCmp (PrimarySecondaryStr, L"Secondary") == 0) {

+    Atapi->PrimarySecondary = 1;

+  } else {

+    Atapi->PrimarySecondary = (UINT8) Strtoi (PrimarySecondaryStr);

+  }

+  if (StrCmp (SlaveMasterStr, L"Master") == 0) {

+    Atapi->SlaveMaster      = 0;

+  } else if (StrCmp (SlaveMasterStr, L"Slave") == 0) {

+    Atapi->SlaveMaster      = 1;

+  } else {

+    Atapi->SlaveMaster      = (UINT8) Strtoi (SlaveMasterStr);

+  }

 

-  Atapi->PrimarySecondary = (UINT8) ((StrCmp (PrimarySecondaryStr, L"Primary") == 0) ? 0 : 1);

-  Atapi->SlaveMaster      = (UINT8) ((StrCmp (SlaveMasterStr, L"Master") == 0) ? 0 : 1);

-  Atapi->Lun              = (UINT16) Strtoi (LunStr);

+  Atapi->Lun                = (UINT16) Strtoi (LunStr);

 

   return (EFI_DEVICE_PATH_PROTOCOL *) Atapi;

 }

@@ -1880,8 +1893,12 @@ DevPathFromTextUart (
                                            (UINT16) sizeof (UART_DEVICE_PATH)

                                            );

 

-  Uart->BaudRate  = (StrCmp (BaudStr, L"DEFAULT") == 0) ? 115200 : StrDecimalToUintn (BaudStr);

-  Uart->DataBits  = (UINT8) ((StrCmp (DataBitsStr, L"DEFAULT") == 0) ? 8 : StrDecimalToUintn (DataBitsStr));

+  if (StrCmp (BaudStr, L"DEFAULT") == 0) {

+    Uart->BaudRate = 115200;

+  } else {

+    Strtoi64 (BaudStr, &Uart->BaudRate);

+  }

+  Uart->DataBits  = (UINT8) ((StrCmp (DataBitsStr, L"DEFAULT") == 0) ? 8 : Strtoi (DataBitsStr));

   switch (*ParityStr) {

   case L'D':

     Uart->Parity = 0;

@@ -1908,7 +1925,8 @@ DevPathFromTextUart (
     break;

 

   default:

-    Uart->Parity = 0xff;

+    Uart->Parity = (UINT8) Strtoi (ParityStr);

+    break;

   }

 

   if (StrCmp (StopBitsStr, L"D") == 0) {

@@ -1920,7 +1938,7 @@ DevPathFromTextUart (
   } else if (StrCmp (StopBitsStr, L"2") == 0) {

     Uart->StopBits = (UINT8) 3;

   } else {

-    Uart->StopBits = 0xff;

+    Uart->StopBits = (UINT8) Strtoi (StopBitsStr);

   }

 

   return (EFI_DEVICE_PATH_PROTOCOL *) Uart;

@@ -2351,21 +2369,30 @@ DevPathFromTextUsbWwid (
   CHAR16                *InterfaceNumStr;

   CHAR16                *SerialNumberStr;

   USB_WWID_DEVICE_PATH  *UsbWwid;

-

-  VIDStr                    = GetNextParamStr (&TextDeviceNode);

-  PIDStr                    = GetNextParamStr (&TextDeviceNode);

-  InterfaceNumStr           = GetNextParamStr (&TextDeviceNode);

-  SerialNumberStr           = GetNextParamStr (&TextDeviceNode);

-  UsbWwid                   = (USB_WWID_DEVICE_PATH *) CreateDeviceNode (

+  UINTN                 SerialNumberStrLen;

+

+  VIDStr                   = GetNextParamStr (&TextDeviceNode);

+  PIDStr                   = GetNextParamStr (&TextDeviceNode);

+  InterfaceNumStr          = GetNextParamStr (&TextDeviceNode);

+  SerialNumberStr          = GetNextParamStr (&TextDeviceNode);

+  SerialNumberStrLen       = StrLen (SerialNumberStr);

+  if (SerialNumberStrLen >= 2 &&

+      SerialNumberStr[0] == L'\"' &&

+      SerialNumberStr[SerialNumberStrLen - 1] == L'\"'

+    ) {

+    SerialNumberStr[SerialNumberStrLen - 1] = L'\0';

+    SerialNumberStr++;

+    SerialNumberStrLen -= 2;

+  }

+  UsbWwid                  = (USB_WWID_DEVICE_PATH *) CreateDeviceNode (

                                                          MESSAGING_DEVICE_PATH,

                                                          MSG_USB_WWID_DP,

-                                                         (UINT16) (sizeof (USB_WWID_DEVICE_PATH) + StrSize (SerialNumberStr))

+                                                         (UINT16) (sizeof (USB_WWID_DEVICE_PATH) + SerialNumberStrLen * sizeof (CHAR16))

                                                          );

-

-  UsbWwid->VendorId         = (UINT16) Strtoi (VIDStr);

-  UsbWwid->ProductId        = (UINT16) Strtoi (PIDStr);

-  UsbWwid->InterfaceNumber  = (UINT16) Strtoi (InterfaceNumStr);

-  StrCpy ((CHAR16 *) ((UINT8 *) UsbWwid + sizeof (USB_WWID_DEVICE_PATH)), SerialNumberStr);

+  UsbWwid->VendorId        = (UINT16) Strtoi (VIDStr);

+  UsbWwid->ProductId       = (UINT16) Strtoi (PIDStr);

+  UsbWwid->InterfaceNumber = (UINT16) Strtoi (InterfaceNumStr);

+  StrnCpy ((CHAR16 *) ((UINT8 *) UsbWwid + sizeof (USB_WWID_DEVICE_PATH)), SerialNumberStr, SerialNumberStrLen);

 

   return (EFI_DEVICE_PATH_PROTOCOL *) UsbWwid;

 }

@@ -2526,7 +2553,7 @@ DevPathFromTextHD (
                                                     (UINT16) sizeof (HARDDRIVE_DEVICE_PATH)

                                                     );

 

-  Hd->PartitionNumber = (UINT32) StrDecimalToUintn (PartitionStr);

+  Hd->PartitionNumber = (UINT32) Strtoi (PartitionStr);

 

   ZeroMem (Hd->Signature, 16);

   Hd->MBRType = (UINT8) 0;

@@ -2596,7 +2623,7 @@ DevPathFromTextCDROM (
 

 **/

 EFI_DEVICE_PATH_PROTOCOL *

-DevPathFromTextVenMEDIA (

+DevPathFromTextVenMedia (

   IN CHAR16 *TextDeviceNode

   )

 {

@@ -2818,29 +2845,18 @@ DevPathFromTextSata (
   CHAR16           *Param2;

   CHAR16           *Param3;

 

-  //

-  // The PMPN is optional.

-  //

   Param1 = GetNextParamStr (&TextDeviceNode);

   Param2 = GetNextParamStr (&TextDeviceNode);

-  Param3 = NULL;

-  if (!IS_NULL (TextDeviceNode)) {

-    Param3 = GetNextParamStr (&TextDeviceNode);

-  }

+  Param3 = GetNextParamStr (&TextDeviceNode);

 

   Sata = (SATA_DEVICE_PATH *) CreateDeviceNode (

                                 MESSAGING_DEVICE_PATH,

                                 MSG_SATA_DP,

                                 (UINT16) sizeof (SATA_DEVICE_PATH)

                                 );

-  Sata->HBAPortNumber = (UINT16) StrHexToUintn (Param1);

-  if (Param3 != NULL) {

-    Sata->PortMultiplierPortNumber = (UINT16) StrHexToUintn (Param2);

-    Param2                   = Param3;

-  } else {

-    Sata->PortMultiplierPortNumber = SATA_HBA_DIRECT_CONNECT_FLAG;

-  }

-  Sata->Lun = (UINT16) StrHexToUintn (Param2);

+  Sata->HBAPortNumber            = (UINT16) Strtoi (Param1);

+  Sata->PortMultiplierPortNumber = (UINT16) Strtoi (Param2);

+  Sata->Lun                      = (UINT16) Strtoi (Param3);

 

   return (EFI_DEVICE_PATH_PROTOCOL *) Sata;

 }

@@ -2904,7 +2920,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP
   {L"Vlan",                    DevPathFromTextVlan                    },

   {L"HD",                      DevPathFromTextHD                      },

   {L"CDROM",                   DevPathFromTextCDROM                   },

-  {L"VenMEDIA",                DevPathFromTextVenMEDIA                },

+  {L"VenMedia",                DevPathFromTextVenMedia                },

   {L"Media",                   DevPathFromTextMedia                   },

   {L"Fv",                      DevPathFromTextFv                      },

   {L"FvFile",                  DevPathFromTextFvFile                  },