ShellPkg/Library/UefiShellDebug1CommandsLib/EfiCompress.c

   1 /** @file
   2   Main file for EfiCompress shell Debug1 function.
   3
   4   Copyright (c) 2005 - 2011, 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 "Compress.h"
  17
  18 /**
  19   Function for 'compress' command.
  20
  21   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  22   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  23 **/
  24 SHELL_STATUS
  25 EFIAPI
  26 ShellCommandRunEfiCompress (
  27   IN EFI_HANDLE        ImageHandle,
  28   IN EFI_SYSTEM_TABLE  *SystemTable
  29   )
  30 {
  31   EFI_STATUS          Status;
  32   LIST_ENTRY          *Package;
  33   CHAR16              *ProblemParam;
  34   SHELL_STATUS        ShellStatus;
  35   SHELL_FILE_HANDLE   InShellFileHandle;
  36   SHELL_FILE_HANDLE   OutShellFileHandle;
  37   UINT64              OutSize;
  38   UINT64              OutSize2;
  39   VOID                *OutBuffer;
  40   UINT64              InSize;
  41   UINT64              InSize2;
  42   VOID                *InBuffer;
  43   CHAR16              *InFileName;
  44   CONST CHAR16        *OutFileName;
  45
  46   InFileName          = NULL;
  47   OutFileName         = NULL;
  48   OutSize             = 0;
  49   ShellStatus         = SHELL_SUCCESS;
  50   Status              = EFI_SUCCESS;
  51   OutBuffer           = NULL;
  52   InShellFileHandle   = NULL;
  53   OutShellFileHandle  = NULL;
  54   InBuffer            = NULL;
  55
  56   //
  57   // initialize the shell lib (we must be in non-auto-init...)
  58   //
  59   Status = ShellInitialize();
  60   ASSERT_EFI_ERROR(Status);
  61
  62   Status = CommandInit();
  63   ASSERT_EFI_ERROR(Status);
  64
  65   //
  66   // parse the command line
  67   //
  68   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  69   if (EFI_ERROR(Status)) {
  70     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  71       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
  72       FreePool(ProblemParam);
  73       ShellStatus = SHELL_INVALID_PARAMETER;
  74     } else {
  75       ASSERT(FALSE);
  76     }
  77   } else {
  78     if (ShellCommandLineGetCount(Package) > 3) {
  79       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
  80       ShellStatus = SHELL_INVALID_PARAMETER;
  81     } else if (ShellCommandLineGetCount(Package) < 3) {
  82       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
  83       ShellStatus = SHELL_INVALID_PARAMETER;
  84     } else {
  85       InFileName = ShellFindFilePath(ShellCommandLineGetRawValue(Package, 1));
  86       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  87       if (InFileName == NULL) {
  88         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1));
  89         ShellStatus = SHELL_NOT_FOUND;
  90       } else {
  91         if (ShellIsDirectory(InFileName) == EFI_SUCCESS){
  92           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, InFileName);
  93           ShellStatus = SHELL_INVALID_PARAMETER;
  94         }
  95         if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){
  96           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, OutFileName);
  97           ShellStatus = SHELL_INVALID_PARAMETER;
  98         }
  99         if (ShellStatus == SHELL_SUCCESS) {
 100           Status = ShellOpenFileByName(InFileName, &InShellFileHandle, EFI_FILE_MODE_READ, 0);
 101           if (EFI_ERROR(Status)) {
 102             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1), Status);
 103             ShellStatus = SHELL_NOT_FOUND;
 104           }
 105           Status = ShellOpenFileByName(OutFileName, &OutShellFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 106           if (EFI_ERROR(Status)) {
 107             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 2), Status);
 108             ShellStatus = SHELL_NOT_FOUND;
 109           }
 110         }
 111         if (ShellStatus == SHELL_SUCCESS) {
 112           Status = gEfiShellProtocol->GetFileSize(InShellFileHandle, &InSize);
 113           ASSERT_EFI_ERROR(Status);
 114           InBuffer = AllocateZeroPool((UINTN)InSize);
 115           ASSERT(InBuffer != NULL);
 116           InSize2 = (UINTN)InSize;
 117           Status = gEfiShellProtocol->ReadFile(InShellFileHandle, &InSize2, InBuffer);
 118           ASSERT_EFI_ERROR(Status);
 119           Status = Compress(InBuffer, InSize, OutBuffer, &OutSize);
 120           if (Status == EFI_BUFFER_TOO_SMALL) {
 121             OutBuffer = AllocateZeroPool((UINTN)OutSize);
 122             ASSERT(OutBuffer != NULL);
 123             Status = Compress(InBuffer, InSize, OutBuffer, &OutSize);
 124           }
 125           if (EFI_ERROR(Status)) {
 126             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_COMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 127             ShellStatus = SHELL_DEVICE_ERROR;
 128           } else {
 129             OutSize2 = (UINTN)OutSize;
 130             Status = gEfiShellProtocol->WriteFile(OutShellFileHandle, &OutSize2, OutBuffer);
 131             if (EFI_ERROR(Status)) {
 132               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, OutFileName, Status);
 133               ShellStatus = SHELL_DEVICE_ERROR;
 134             }
 135           }
 136         }
 137       }
 138     }
 139
 140     ShellCommandLineFreeVarList (Package);
 141   }
 142   if (InShellFileHandle != NULL) {
 143     gEfiShellProtocol->CloseFile(InShellFileHandle);
 144   }
 145   if (OutShellFileHandle != NULL) {
 146     gEfiShellProtocol->CloseFile(OutShellFileHandle);
 147   }
 148   SHELL_FREE_NON_NULL(InFileName);
 149   SHELL_FREE_NON_NULL(InBuffer);
 150   SHELL_FREE_NON_NULL(OutBuffer);
 151
 152   return (ShellStatus);
 153 }