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   UINTN               OutSize2;
  39   VOID                *OutBuffer;
  40   UINT64              InSize;
  41   UINTN               InSize2;
  42   VOID                *InBuffer;
  43   CHAR16              *InFileName;
  44   CONST CHAR16        *OutFileName;
  45   CONST CHAR16        *TempParam;
  46
  47   InFileName          = NULL;
  48   OutFileName         = NULL;
  49   OutSize             = 0;
  50   ShellStatus         = SHELL_SUCCESS;
  51   Status              = EFI_SUCCESS;
  52   OutBuffer           = NULL;
  53   InShellFileHandle   = NULL;
  54   OutShellFileHandle  = NULL;
  55   InBuffer            = NULL;
  56
  57   //
  58   // initialize the shell lib (we must be in non-auto-init...)
  59   //
  60   Status = ShellInitialize();
  61   ASSERT_EFI_ERROR(Status);
  62
  63   Status = CommandInit();
  64   ASSERT_EFI_ERROR(Status);
  65
  66   //
  67   // parse the command line
  68   //
  69   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  70   if (EFI_ERROR(Status)) {
  71     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  72       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
  73       FreePool(ProblemParam);
  74       ShellStatus = SHELL_INVALID_PARAMETER;
  75     } else {
  76       ASSERT(FALSE);
  77     }
  78   } else {
  79     if (ShellCommandLineGetCount(Package) > 3) {
  80       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
  81       ShellStatus = SHELL_INVALID_PARAMETER;
  82     } else if (ShellCommandLineGetCount(Package) < 3) {
  83       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
  84       ShellStatus = SHELL_INVALID_PARAMETER;
  85     } else {
  86       TempParam = ShellCommandLineGetRawValue(Package, 1);
  87       ASSERT(TempParam != NULL);
  88       InFileName = ShellFindFilePath(TempParam);
  89       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  90       if (InFileName == NULL) {
  91         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, TempParam);
  92         ShellStatus = SHELL_NOT_FOUND;
  93       } else {
  94         if (ShellIsDirectory(InFileName) == EFI_SUCCESS){
  95           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, InFileName);
  96           ShellStatus = SHELL_INVALID_PARAMETER;
  97         }
  98         if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){
  99           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, OutFileName);
 100           ShellStatus = SHELL_INVALID_PARAMETER;
 101         }
 102         if (ShellStatus == SHELL_SUCCESS) {
 103           Status = ShellOpenFileByName(InFileName, &InShellFileHandle, EFI_FILE_MODE_READ, 0);
 104           if (EFI_ERROR(Status)) {
 105             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 1), Status);
 106             ShellStatus = SHELL_NOT_FOUND;
 107           }
 108           Status = ShellOpenFileByName(OutFileName, &OutShellFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 109           if (EFI_ERROR(Status)) {
 110             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue(Package, 2), Status);
 111             ShellStatus = SHELL_NOT_FOUND;
 112           }
 113         }
 114         if (ShellStatus == SHELL_SUCCESS) {
 115           Status = gEfiShellProtocol->GetFileSize(InShellFileHandle, &InSize);
 116           ASSERT_EFI_ERROR(Status);
 117           InBuffer = AllocateZeroPool((UINTN)InSize);
 118           ASSERT(InBuffer != NULL);
 119           InSize2 = (UINTN)InSize;
 120           Status = gEfiShellProtocol->ReadFile(InShellFileHandle, &InSize2, InBuffer);
 121           InSize = InSize2;
 122           ASSERT_EFI_ERROR(Status);
 123           Status = Compress(InBuffer, InSize, OutBuffer, &OutSize);
 124           if (Status == EFI_BUFFER_TOO_SMALL) {
 125             OutBuffer = AllocateZeroPool((UINTN)OutSize);
 126             ASSERT(OutBuffer != NULL);
 127             Status = Compress(InBuffer, InSize, OutBuffer, &OutSize);
 128           }
 129           if (EFI_ERROR(Status)) {
 130             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_COMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 131             ShellStatus = SHELL_DEVICE_ERROR;
 132           } else {
 133             OutSize2 = (UINTN)OutSize;
 134             Status = gEfiShellProtocol->WriteFile(OutShellFileHandle, &OutSize2, OutBuffer);
 135             if (EFI_ERROR(Status)) {
 136               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, OutFileName, Status);
 137               ShellStatus = SHELL_DEVICE_ERROR;
 138             }
 139           }
 140         }
 141       }
 142     }
 143
 144     ShellCommandLineFreeVarList (Package);
 145   }
 146   if (InShellFileHandle != NULL) {
 147     gEfiShellProtocol->CloseFile(InShellFileHandle);
 148   }
 149   if (OutShellFileHandle != NULL) {
 150     gEfiShellProtocol->CloseFile(OutShellFileHandle);
 151   }
 152   SHELL_FREE_NON_NULL(InFileName);
 153   SHELL_FREE_NON_NULL(InBuffer);
 154   SHELL_FREE_NON_NULL(OutBuffer);
 155
 156   return (ShellStatus);
 157 }