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[mirror_edk2.git] / ShellPkg / Library / UefiShellDebug1CommandsLib / EfiDecompress.c

/** @file\r
  Main file for EfiDecompress shell Debug1 function.\r
\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UefiShellDebug1CommandsLib.h"\r
#include <Protocol/Decompress.h>\r
\r
\r
/**\r
  Function for 'decompress' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunEfiDecompress (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  LIST_ENTRY          *Package;\r
  CHAR16              *ProblemParam;\r
  SHELL_STATUS        ShellStatus;\r
  SHELL_FILE_HANDLE   InFileHandle;\r
  SHELL_FILE_HANDLE   OutFileHandle;\r
  UINT32              OutSize;\r
  UINTN               OutSizeTemp;\r
  VOID                *OutBuffer;\r
  UINTN               InSize;\r
  VOID                *InBuffer;\r
  CHAR16              *InFileName;\r
  CONST CHAR16        *OutFileName;\r
  UINT64              Temp64Bit;\r
  UINT32              ScratchSize;\r
  VOID                *ScratchBuffer;\r
  EFI_DECOMPRESS_PROTOCOL *Decompress;\r
  CONST CHAR16        *TempParam;\r
\r
  InFileName          = NULL;\r
  OutFileName         = NULL;\r
  OutSize             = 0;\r
  ScratchSize         = 0;\r
  ShellStatus         = SHELL_SUCCESS;\r
  Status              = EFI_SUCCESS;\r
  OutBuffer           = NULL;\r
  InBuffer            = NULL;\r
  ScratchBuffer       = NULL;\r
  InFileHandle        = NULL;\r
  OutFileHandle       = NULL;\r
  Decompress          = NULL;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"efidecompress", ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    if (ShellCommandLineGetCount(Package) > 3) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"efidecompress");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else if (ShellCommandLineGetCount(Package) < 3) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"efidecompress");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      TempParam = ShellCommandLineGetRawValue(Package, 1);\r
      ASSERT(TempParam != NULL);\r
      InFileName = ShellFindFilePath(TempParam);\r
      OutFileName = ShellCommandLineGetRawValue(Package, 2);\r
      if (InFileName == NULL) {\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"efidecompress", TempParam);\r
        ShellStatus = SHELL_NOT_FOUND;\r
      } else {\r
        if (ShellIsDirectory(InFileName) == EFI_SUCCESS){\r
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"efidecompress", InFileName);\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
        }\r
        if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){\r
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"efidecompress", OutFileName);\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
        }\r
        if (ShellStatus == SHELL_SUCCESS) {\r
          Status = ShellOpenFileByName(InFileName, &InFileHandle, EFI_FILE_MODE_READ, 0);\r
          if (EFI_ERROR(Status)) {\r
            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"efidecompress", ShellCommandLineGetRawValue(Package, 1));\r
            ShellStatus = SHELL_NOT_FOUND;\r
          }\r
        }\r
\r
        if (ShellStatus == SHELL_SUCCESS) {\r
          Status = FileHandleGetSize(InFileHandle, &Temp64Bit);\r
          ASSERT(Temp64Bit <= (UINT32)(-1));\r
          InSize = (UINTN)Temp64Bit;\r
          ASSERT_EFI_ERROR(Status);\r
          InBuffer = AllocateZeroPool(InSize);\r
          if (InBuffer == NULL) {\r
            Status = EFI_OUT_OF_RESOURCES;\r
          } else {\r
            Status = gEfiShellProtocol->ReadFile (InFileHandle, &InSize, InBuffer);\r
            ASSERT_EFI_ERROR (Status);\r
\r
            Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID**) &Decompress);\r
            ASSERT_EFI_ERROR (Status);\r
\r
            Status = Decompress->GetInfo (Decompress, InBuffer, (UINT32) InSize, &OutSize, &ScratchSize);\r
          }\r
\r
          if (EFI_ERROR(Status) || OutSize == 0) {\r
            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_NOPE), gShellDebug1HiiHandle, InFileName);\r
            ShellStatus = SHELL_NOT_FOUND;\r
          } else {\r
            Status = ShellOpenFileByName(OutFileName, &OutFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);\r
            if (EFI_ERROR(Status)) {\r
              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 2), Status);\r
              ShellStatus = SHELL_NOT_FOUND;\r
            } else {\r
              OutBuffer = AllocateZeroPool(OutSize);\r
              ScratchBuffer = AllocateZeroPool(ScratchSize);\r
              if (OutBuffer == NULL || ScratchBuffer == NULL) {\r
                Status = EFI_OUT_OF_RESOURCES;\r
              } else {\r
                Status = Decompress->Decompress (Decompress, InBuffer, (UINT32) InSize, OutBuffer, OutSize, ScratchBuffer, ScratchSize);\r
              }\r
            }\r
          }\r
\r
          if (EFI_ERROR (Status)) {\r
            ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_FAIL), gShellDebug1HiiHandle, Status);\r
            ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);\r
          } else {\r
            OutSizeTemp = OutSize;\r
            Status = gEfiShellProtocol->WriteFile (OutFileHandle, &OutSizeTemp, OutBuffer);\r
            OutSize = (UINT32) OutSizeTemp;\r
            if (EFI_ERROR (Status)) {\r
              ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"efidecompress", OutFileName, Status);\r
              ShellStatus = SHELL_DEVICE_ERROR;\r
            }\r
          }\r
        }\r
      }\r
    }\r
\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
  if (InFileHandle != NULL) {\r
    gEfiShellProtocol->CloseFile(InFileHandle);\r
  }\r
  if (OutFileHandle != NULL) {\r
    gEfiShellProtocol->CloseFile(OutFileHandle);\r
  }\r
\r
  SHELL_FREE_NON_NULL(InFileName);\r
  SHELL_FREE_NON_NULL(InBuffer);\r
  SHELL_FREE_NON_NULL(OutBuffer);\r
  SHELL_FREE_NON_NULL(ScratchBuffer);\r
\r
  return (ShellStatus);\r
}\r