ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c

   1 /** @file
   2   Main file for EfiDecompress shell Debug1 function.
   3
   4   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
   5   Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include "UefiShellDebug1CommandsLib.h"
  17 #include <Protocol/Decompress.h>
  18
  19
  20 /**
  21   Function for 'decompress' command.
  22
  23   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  24   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  25 **/
  26 SHELL_STATUS
  27 EFIAPI
  28 ShellCommandRunEfiDecompress (
  29   IN EFI_HANDLE        ImageHandle,
  30   IN EFI_SYSTEM_TABLE  *SystemTable
  31   )
  32 {
  33   EFI_STATUS          Status;
  34   LIST_ENTRY          *Package;
  35   CHAR16              *ProblemParam;
  36   SHELL_STATUS        ShellStatus;
  37   SHELL_FILE_HANDLE   InFileHandle;
  38   SHELL_FILE_HANDLE   OutFileHandle;
  39   UINT32              OutSize;
  40   UINTN               OutSizeTemp;
  41   VOID                *OutBuffer;
  42   UINTN               InSize;
  43   VOID                *InBuffer;
  44   CHAR16              *InFileName;
  45   CONST CHAR16        *OutFileName;
  46   UINT64              Temp64Bit;
  47   UINT32              ScratchSize;
  48   VOID                *ScratchBuffer;
  49   EFI_DECOMPRESS_PROTOCOL *Decompress;
  50   CONST CHAR16        *TempParam;
  51
  52   InFileName          = NULL;
  53   OutFileName         = NULL;
  54   OutSize             = 0;
  55   ScratchSize         = 0;
  56   ShellStatus         = SHELL_SUCCESS;
  57   Status              = EFI_SUCCESS;
  58   OutBuffer           = NULL;
  59   InBuffer            = NULL;
  60   ScratchBuffer       = NULL;
  61   InFileHandle        = NULL;
  62   OutFileHandle       = NULL;
  63   Decompress          = NULL;
  64
  65   //
  66   // initialize the shell lib (we must be in non-auto-init...)
  67   //
  68   Status = ShellInitialize();
  69   ASSERT_EFI_ERROR(Status);
  70
  71   Status = CommandInit();
  72   ASSERT_EFI_ERROR(Status);
  73
  74   //
  75   // parse the command line
  76   //
  77   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  78   if (EFI_ERROR(Status)) {
  79     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  80       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"efidecompress", ProblemParam);
  81       FreePool(ProblemParam);
  82       ShellStatus = SHELL_INVALID_PARAMETER;
  83     } else {
  84       ASSERT(FALSE);
  85     }
  86   } else {
  87     if (ShellCommandLineGetCount(Package) > 3) {
  88       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"efidecompress");
  89       ShellStatus = SHELL_INVALID_PARAMETER;
  90     } else if (ShellCommandLineGetCount(Package) < 3) {
  91       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"efidecompress");
  92       ShellStatus = SHELL_INVALID_PARAMETER;
  93     } else {
  94       TempParam = ShellCommandLineGetRawValue(Package, 1);
  95       ASSERT(TempParam != NULL);
  96       InFileName = ShellFindFilePath(TempParam);
  97       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  98       if (InFileName == NULL) {
  99         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"efidecompress", TempParam);
 100         ShellStatus = SHELL_NOT_FOUND;
 101       } else {
 102         if (ShellIsDirectory(InFileName) == EFI_SUCCESS){
 103           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"efidecompress", InFileName);
 104           ShellStatus = SHELL_INVALID_PARAMETER;
 105         }
 106         if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){
 107           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"efidecompress", OutFileName);
 108           ShellStatus = SHELL_INVALID_PARAMETER;
 109         }
 110         if (ShellStatus == SHELL_SUCCESS) {
 111           Status = ShellOpenFileByName(InFileName, &InFileHandle, EFI_FILE_MODE_READ, 0);
 112           if (EFI_ERROR(Status)) {
 113             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"efidecompress", ShellCommandLineGetRawValue(Package, 1));
 114             ShellStatus = SHELL_NOT_FOUND;
 115           }
 116         }
 117
 118         if (ShellStatus == SHELL_SUCCESS) {
 119           Status = FileHandleGetSize(InFileHandle, &Temp64Bit);
 120           ASSERT(Temp64Bit <= (UINT32)(-1));
 121           InSize = (UINTN)Temp64Bit;
 122           ASSERT_EFI_ERROR(Status);
 123           InBuffer = AllocateZeroPool(InSize);
 124           if (InBuffer == NULL) {
 125             Status = EFI_OUT_OF_RESOURCES;
 126           } else {
 127             Status = gEfiShellProtocol->ReadFile (InFileHandle, &InSize, InBuffer);
 128             ASSERT_EFI_ERROR (Status);
 129
 130             Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID**) &Decompress);
 131             ASSERT_EFI_ERROR (Status);
 132
 133             Status = Decompress->GetInfo (Decompress, InBuffer, (UINT32) InSize, &OutSize, &ScratchSize);
 134           }
 135
 136           if (EFI_ERROR(Status) || OutSize == 0) {
 137             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_NOPE), gShellDebug1HiiHandle, InFileName);
 138             ShellStatus = SHELL_NOT_FOUND;
 139           } else {
 140             Status = ShellOpenFileByName(OutFileName, &OutFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 141             if (EFI_ERROR(Status)) {
 142               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 2), Status);
 143               ShellStatus = SHELL_NOT_FOUND;
 144             } else {
 145               OutBuffer = AllocateZeroPool(OutSize);
 146               ScratchBuffer = AllocateZeroPool(ScratchSize);
 147               if (OutBuffer == NULL || ScratchBuffer == NULL) {
 148                 Status = EFI_OUT_OF_RESOURCES;
 149               } else {
 150                 Status = Decompress->Decompress (Decompress, InBuffer, (UINT32) InSize, OutBuffer, OutSize, ScratchBuffer, ScratchSize);
 151               }
 152             }
 153           }
 154
 155           if (EFI_ERROR (Status)) {
 156             ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 157             ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);
 158           } else {
 159             OutSizeTemp = OutSize;
 160             Status = gEfiShellProtocol->WriteFile (OutFileHandle, &OutSizeTemp, OutBuffer);
 161             OutSize = (UINT32) OutSizeTemp;
 162             if (EFI_ERROR (Status)) {
 163               ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"efidecompress", OutFileName, Status);
 164               ShellStatus = SHELL_DEVICE_ERROR;
 165             }
 166           }
 167         }
 168       }
 169     }
 170
 171     ShellCommandLineFreeVarList (Package);
 172   }
 173   if (InFileHandle != NULL) {
 174     gEfiShellProtocol->CloseFile(InFileHandle);
 175   }
 176   if (OutFileHandle != NULL) {
 177     gEfiShellProtocol->CloseFile(OutFileHandle);
 178   }
 179
 180   SHELL_FREE_NON_NULL(InFileName);
 181   SHELL_FREE_NON_NULL(InBuffer);
 182   SHELL_FREE_NON_NULL(OutBuffer);
 183   SHELL_FREE_NON_NULL(ScratchBuffer);
 184
 185   return (ShellStatus);
 186 }