ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c

   1 /** @file
   2   Main file for EfiDecompress shell Debug1 function.
   3
   4   Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "UefiShellDebug1CommandsLib.h"
  16 #include <Protocol/Decompress.h>
  17
  18
  19 /**
  20   Function for 'decompress' command.
  21
  22   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  23   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  24 **/
  25 SHELL_STATUS
  26 EFIAPI
  27 ShellCommandRunEfiDecompress (
  28   IN EFI_HANDLE        ImageHandle,
  29   IN EFI_SYSTEM_TABLE  *SystemTable
  30   )
  31 {
  32   EFI_STATUS          Status;
  33   LIST_ENTRY          *Package;
  34   CHAR16              *ProblemParam;
  35   SHELL_STATUS        ShellStatus;
  36   SHELL_FILE_HANDLE   InFileHandle;
  37   SHELL_FILE_HANDLE   OutFileHandle;
  38   UINT32              OutSize;
  39   UINTN               OutSizeTemp;
  40   VOID                *OutBuffer;
  41   UINTN               InSize;
  42   VOID                *InBuffer;
  43   CHAR16              *InFileName;
  44   CONST CHAR16        *OutFileName;
  45   UINT64              Temp64Bit;
  46   UINT32              ScratchSize;
  47   VOID                *ScratchBuffer;
  48   EFI_DECOMPRESS_PROTOCOL *Decompress;
  49
  50   InFileName          = NULL;
  51   OutFileName         = NULL;
  52   OutSize             = 0;
  53   ShellStatus         = SHELL_SUCCESS;
  54   Status              = EFI_SUCCESS;
  55   OutBuffer           = NULL;
  56   InBuffer            = NULL;
  57   ScratchBuffer       = NULL;
  58   InFileHandle        = NULL;
  59   OutFileHandle       = NULL;
  60
  61   //
  62   // initialize the shell lib (we must be in non-auto-init...)
  63   //
  64   Status = ShellInitialize();
  65   ASSERT_EFI_ERROR(Status);
  66
  67   Status = CommandInit();
  68   ASSERT_EFI_ERROR(Status);
  69
  70   //
  71   // parse the command line
  72   //
  73   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  74   if (EFI_ERROR(Status)) {
  75     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  76       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
  77       FreePool(ProblemParam);
  78       ShellStatus = SHELL_INVALID_PARAMETER;
  79     } else {
  80       ASSERT(FALSE);
  81     }
  82   } else {
  83     if (ShellCommandLineGetCount(Package) > 3) {
  84       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
  85       ShellStatus = SHELL_INVALID_PARAMETER;
  86     } else if (ShellCommandLineGetCount(Package) < 3) {
  87       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
  88       ShellStatus = SHELL_INVALID_PARAMETER;
  89     } else {
  90       InFileName = ShellFindFilePath(ShellCommandLineGetRawValue(Package, 1));
  91       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  92       if (InFileName == NULL) {
  93         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1));
  94         ShellStatus = SHELL_NOT_FOUND;
  95       } else {
  96         if (ShellIsDirectory(InFileName) == EFI_SUCCESS){
  97           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, InFileName);
  98           ShellStatus = SHELL_INVALID_PARAMETER;
  99         }
 100         if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){
 101           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, OutFileName);
 102           ShellStatus = SHELL_INVALID_PARAMETER;
 103         }
 104         if (ShellStatus == SHELL_SUCCESS) {
 105           Status = ShellOpenFileByName(InFileName, &InFileHandle, EFI_FILE_MODE_READ, 0);
 106           if (EFI_ERROR(Status)) {
 107             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1), Status);
 108             ShellStatus = SHELL_NOT_FOUND;
 109           }
 110           Status = ShellOpenFileByName(OutFileName, &OutFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 111           if (EFI_ERROR(Status)) {
 112             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 2), Status);
 113             ShellStatus = SHELL_NOT_FOUND;
 114           }
 115         }
 116
 117         if (ShellStatus == SHELL_SUCCESS) {
 118           Status = FileHandleGetSize(InFileHandle, &Temp64Bit);
 119           ASSERT(Temp64Bit <= (UINT32)(-1));
 120           InSize = (UINTN)Temp64Bit;
 121           ASSERT_EFI_ERROR(Status);
 122           InBuffer = AllocateZeroPool(InSize);
 123           ASSERT(InBuffer != NULL);
 124           Status = gEfiShellProtocol->ReadFile(InFileHandle, &InSize, InBuffer);
 125           ASSERT_EFI_ERROR(Status);
 126
 127           Status = gBS->LocateProtocol(&gEfiDecompressProtocolGuid, NULL, (VOID**)&Decompress);
 128           ASSERT_EFI_ERROR(Status);
 129
 130           Status = Decompress->GetInfo(Decompress, InBuffer, (UINT32)InSize, &OutSize, &ScratchSize);
 131           ASSERT_EFI_ERROR(Status);
 132
 133           OutBuffer = AllocateZeroPool(OutSize);
 134           ScratchBuffer = AllocateZeroPool(ScratchSize);
 135           ASSERT(OutBuffer != NULL);
 136           ASSERT(ScratchBuffer != NULL);
 137
 138           Status = Decompress->Decompress(Decompress, InBuffer, (UINT32)InSize, OutBuffer, OutSize, ScratchBuffer, ScratchSize);
 139           ASSERT_EFI_ERROR(Status);
 140
 141           if (EFI_ERROR(Status)) {
 142             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 143             ShellStatus = SHELL_DEVICE_ERROR;
 144           } else {
 145             OutSizeTemp = OutSize;
 146             Status = gEfiShellProtocol->WriteFile(OutFileHandle, &OutSizeTemp, OutBuffer);
 147             OutSize = (UINT32)OutSizeTemp;
 148             if (EFI_ERROR(Status)) {
 149               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, OutFileName, Status);
 150               ShellStatus = SHELL_DEVICE_ERROR;
 151             }
 152           }
 153         }
 154       }
 155     }
 156
 157     ShellCommandLineFreeVarList (Package);
 158   }
 159   if (InFileHandle != NULL) {
 160     gEfiShellProtocol->CloseFile(InFileHandle);
 161   }
 162   if (OutFileHandle != NULL) {
 163     gEfiShellProtocol->CloseFile(OutFileHandle);
 164   }
 165
 166   SHELL_FREE_NON_NULL(InFileName);
 167   SHELL_FREE_NON_NULL(InBuffer);
 168   SHELL_FREE_NON_NULL(OutBuffer);
 169   SHELL_FREE_NON_NULL(ScratchBuffer);
 170
 171   return (ShellStatus);
 172 }