ArmPkg/BdsLib: Fixed TFTP when there are directories in the name

The TFTP Device Path might contain a list of File Path device
path nodes.
ConvertDevicePathToText() allows to concatenate these File Path
nodes.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <Olivier.Martin@arm.com>
Reviewed-by: Ronald Cron <Ronald.Cron@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17539 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 7 insertions, 13 deletions

diff --git a/ArmPkg/Library/BdsLib/BdsFilePath.c b/ArmPkg/Library/BdsLib/BdsFilePath.c
index 53af9ee..ff42175 100644
--- a/ArmPkg/Library/BdsLib/BdsFilePath.c
+++ b/ArmPkg/Library/BdsLib/BdsFilePath.c
@@ -1038,7 +1038,7 @@ BdsTftpLoadImage (
   EFI_DHCP4_MODE_DATA      Dhcp4Mode;

   EFI_MTFTP4_CONFIG_DATA   Mtftp4CfgData;

   IPv4_DEVICE_PATH         *IPv4DevicePathNode;

-  FILEPATH_DEVICE_PATH     *FilePathDevicePathNode;

+  CHAR16                   *PathName;

   CHAR8                    *AsciiFilePath;

   EFI_MTFTP4_TOKEN         Mtftp4Token;

   UINT64                   FileSize;

@@ -1185,17 +1185,10 @@ BdsTftpLoadImage (
     goto Error;

   }

 

-  //

-  // Convert the Unicode path of the file to Ascii

-  //

-

-  FilePathDevicePathNode = (FILEPATH_DEVICE_PATH*)(IPv4DevicePathNode + 1);

-  AsciiFilePath = AllocatePool ((StrLen (FilePathDevicePathNode->PathName) + 1) * sizeof (CHAR8));

-  if (AsciiFilePath == NULL) {

-    Status = EFI_OUT_OF_RESOURCES;

-    goto Error;

-  }

-  UnicodeStrToAsciiStr (FilePathDevicePathNode->PathName, AsciiFilePath);

+  // The Device Path might contain multiple FilePath nodes

+  PathName      = ConvertDevicePathToText ((EFI_DEVICE_PATH_PROTOCOL*)(IPv4DevicePathNode + 1), FALSE, FALSE);

+  AsciiFilePath = AllocatePool (StrLen (PathName) + 1);

+  UnicodeStrToAsciiStr (PathName, AsciiFilePath);

 

   //

   // Try to get the size of the file in bytes from the server. If it fails,

@@ -1241,7 +1234,7 @@ BdsTftpLoadImage (
     Mtftp4Token.CheckPacket = Mtftp4CheckPacket;

     Mtftp4Token.Context     = (VOID*)TftpContext;

 

-    Print (L"Downloading the file <%s> from the TFTP server\n", FilePathDevicePathNode->PathName);

+    Print (L"Downloading the file <%a> from the TFTP server\n", AsciiFilePath);

     Status = Mtftp4->ReadFile (Mtftp4, &Mtftp4Token);

     Print (L"\n");

     if (EFI_ERROR (Status)) {

@@ -1303,6 +1296,7 @@ Error:
   }

 

   if (EFI_ERROR (Status)) {

+    *Image = 0;

     Print (L"Failed to download the file - Error=%r\n", Status);

   }