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   VOID                *OutBuffer;
  39   UINT64              InSize;
  40   VOID                *InBuffer;
  41   CHAR16              *InFileName;
  42   CONST CHAR16        *OutFileName;
  43
  44   InFileName          = NULL;
  45   OutFileName         = NULL;
  46   OutSize             = 0;
  47   ShellStatus         = SHELL_SUCCESS;
  48   Status              = EFI_SUCCESS;
  49   OutBuffer           = NULL;
  50   InShellFileHandle   = NULL;
  51   OutShellFileHandle  = NULL;
  52   InBuffer            = NULL;
  53
  54   //
  55   // initialize the shell lib (we must be in non-auto-init...)
  56   //
  57   Status = ShellInitialize();
  58   ASSERT_EFI_ERROR(Status);
  59
  60   Status = CommandInit();
  61   ASSERT_EFI_ERROR(Status);
  62
  63   //
  64   // parse the command line
  65   //
  66   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  67   if (EFI_ERROR(Status)) {
  68     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  69       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
  70       FreePool(ProblemParam);
  71       ShellStatus = SHELL_INVALID_PARAMETER;
  72     } else {
  73       ASSERT(FALSE);
  74     }
  75   } else {
  76     if (ShellCommandLineGetCount(Package) > 3) {
  77       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
  78       ShellStatus = SHELL_INVALID_PARAMETER;
  79     } else if (ShellCommandLineGetCount(Package) < 3) {
  80       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
  81       ShellStatus = SHELL_INVALID_PARAMETER;
  82     } else {
  83       InFileName = ShellFindFilePath(ShellCommandLineGetRawValue(Package, 1));
  84       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  85       if (InFileName == NULL) {
  86         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1));
  87         ShellStatus = SHELL_NOT_FOUND;
  88       } else {
  89         if (ShellIsDirectory(InFileName) == EFI_SUCCESS){
  90           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, InFileName);
  91           ShellStatus = SHELL_INVALID_PARAMETER;
  92         }
  93         if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){
  94           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, OutFileName);
  95           ShellStatus = SHELL_INVALID_PARAMETER;
  96         }
  97         if (ShellStatus == SHELL_SUCCESS) {
  98           Status = ShellOpenFileByName(InFileName, &InShellFileHandle, EFI_FILE_MODE_READ, 0);
  99           if (EFI_ERROR(Status)) {
 100             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1), Status);
 101             ShellStatus = SHELL_NOT_FOUND;
 102           }
 103           Status = ShellOpenFileByName(OutFileName, &OutShellFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 104           if (EFI_ERROR(Status)) {
 105             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 2), Status);
 106             ShellStatus = SHELL_NOT_FOUND;
 107           }
 108         }
 109         if (ShellStatus == SHELL_SUCCESS) {
 110           Status = gEfiShellProtocol->GetFileSize(InShellFileHandle, &InSize);
 111           ASSERT_EFI_ERROR(Status);
 112           InBuffer = AllocateZeroPool((UINTN)InSize);
 113           ASSERT(InBuffer != NULL);
 114           Status = gEfiShellProtocol->ReadFile(InShellFileHandle, &((UINTN)InSize), InBuffer);
 115           ASSERT_EFI_ERROR(Status);
 116           Status = Compress(InBuffer, InSize, OutBuffer, &OutSize);
 117           if (Status == EFI_BUFFER_TOO_SMALL) {
 118             OutBuffer = AllocateZeroPool((UINTN)OutSize);
 119             ASSERT(OutBuffer != NULL);
 120             Status = Compress(InBuffer, InSize, OutBuffer, &OutSize);
 121           }
 122           if (EFI_ERROR(Status)) {
 123             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_COMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 124             ShellStatus = SHELL_DEVICE_ERROR;
 125           } else {
 126             Status = gEfiShellProtocol->WriteFile(OutShellFileHandle, &((UINTN)OutSize), OutBuffer);
 127             if (EFI_ERROR(Status)) {
 128               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, OutFileName, Status);
 129               ShellStatus = SHELL_DEVICE_ERROR;
 130             }
 131           }
 132         }
 133       }
 134     }
 135
 136     ShellCommandLineFreeVarList (Package);
 137   }
 138   if (InShellFileHandle != NULL) {
 139     gEfiShellProtocol->CloseFile(InShellFileHandle);
 140   }
 141   if (OutShellFileHandle != NULL) {
 142     gEfiShellProtocol->CloseFile(OutShellFileHandle);
 143   }
 144   SHELL_FREE_NON_NULL(InFileName);
 145   SHELL_FREE_NON_NULL(InBuffer);
 146   SHELL_FREE_NON_NULL(OutBuffer);
 147
 148   return (ShellStatus);
 149 }