ShellPkg/Library/UefiShellDebug1CommandsLib/EfiCompress.c

   1 /** @file
   2   Main file for EfiCompress 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 "Compress.h"
  18
  19 /**
  20   Function for 'compress' 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 ShellCommandRunEfiCompress (
  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   InShellFileHandle;
  37   SHELL_FILE_HANDLE   OutShellFileHandle;
  38   UINT64              OutSize;
  39   UINTN               OutSize2;
  40   VOID                *OutBuffer;
  41   UINT64              InSize;
  42   UINTN               InSize2;
  43   VOID                *InBuffer;
  44   CHAR16              *InFileName;
  45   CONST CHAR16        *OutFileName;
  46   CONST CHAR16        *TempParam;
  47
  48   InFileName          = NULL;
  49   OutFileName         = NULL;
  50   OutSize             = 0;
  51   ShellStatus         = SHELL_SUCCESS;
  52   Status              = EFI_SUCCESS;
  53   OutBuffer           = NULL;
  54   InShellFileHandle   = NULL;
  55   OutShellFileHandle  = NULL;
  56   InBuffer            = NULL;
  57
  58   //
  59   // initialize the shell lib (we must be in non-auto-init...)
  60   //
  61   Status = ShellInitialize();
  62   ASSERT_EFI_ERROR(Status);
  63
  64   Status = CommandInit();
  65   ASSERT_EFI_ERROR(Status);
  66
  67   //
  68   // parse the command line
  69   //
  70   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  71   if (EFI_ERROR(Status)) {
  72     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  73       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"eficompress", ProblemParam);
  74       FreePool(ProblemParam);
  75       ShellStatus = SHELL_INVALID_PARAMETER;
  76     } else {
  77       ASSERT(FALSE);
  78     }
  79   } else {
  80     if (ShellCommandLineGetCount(Package) > 3) {
  81       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"eficompress");
  82       ShellStatus = SHELL_INVALID_PARAMETER;
  83     } else if (ShellCommandLineGetCount(Package) < 3) {
  84       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"eficompress");
  85       ShellStatus = SHELL_INVALID_PARAMETER;
  86     } else {
  87       TempParam = ShellCommandLineGetRawValue(Package, 1);
  88       ASSERT(TempParam != NULL);
  89       InFileName = ShellFindFilePath(TempParam);
  90       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  91       if (InFileName == NULL) {
  92         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"eficompress", TempParam);
  93         ShellStatus = SHELL_NOT_FOUND;
  94       } else {
  95         if (ShellIsDirectory(InFileName) == EFI_SUCCESS){
  96           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"eficompress", InFileName);
  97           ShellStatus = SHELL_INVALID_PARAMETER;
  98         }
  99         if (ShellIsDirectory(OutFileName) == EFI_SUCCESS){
 100           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"eficompress", OutFileName);
 101           ShellStatus = SHELL_INVALID_PARAMETER;
 102         }
 103         if (ShellStatus == SHELL_SUCCESS) {
 104           Status = ShellOpenFileByName(InFileName, &InShellFileHandle, EFI_FILE_MODE_READ, 0);
 105           if (EFI_ERROR(Status)) {
 106             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"eficompress", ShellCommandLineGetRawValue(Package, 1));
 107             ShellStatus = SHELL_NOT_FOUND;
 108           }
 109           Status = ShellOpenFileByName(OutFileName, &OutShellFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 110           if (EFI_ERROR(Status)) {
 111             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"eficompress", ShellCommandLineGetRawValue(Package, 2));
 112             ShellStatus = SHELL_NOT_FOUND;
 113           }
 114         }
 115         if (ShellStatus == SHELL_SUCCESS) {
 116           Status = gEfiShellProtocol->GetFileSize(InShellFileHandle, &InSize);
 117           ASSERT_EFI_ERROR(Status);
 118           InBuffer = AllocateZeroPool((UINTN)InSize);
 119           if (InBuffer == NULL) {
 120             Status = EFI_OUT_OF_RESOURCES;
 121           } else {
 122             InSize2 = (UINTN) InSize;
 123             Status = gEfiShellProtocol->ReadFile (InShellFileHandle, &InSize2, InBuffer);
 124             InSize = InSize2;
 125             ASSERT_EFI_ERROR (Status);
 126             Status = Compress (InBuffer, InSize, OutBuffer, &OutSize);
 127             if (Status == EFI_BUFFER_TOO_SMALL) {
 128               OutBuffer = AllocateZeroPool ((UINTN) OutSize);
 129               if (OutBuffer == NULL) {
 130                 Status = EFI_OUT_OF_RESOURCES;
 131               } else {
 132                 Status = Compress (InBuffer, InSize, OutBuffer, &OutSize);
 133               }
 134             }
 135           }
 136           if (EFI_ERROR(Status)) {
 137             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_COMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 138             ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);
 139           } else {
 140             OutSize2 = (UINTN)OutSize;
 141             Status = gEfiShellProtocol->WriteFile(OutShellFileHandle, &OutSize2, OutBuffer);
 142             if (EFI_ERROR(Status)) {
 143               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"eficompress", OutFileName);
 144               ShellStatus = SHELL_DEVICE_ERROR;
 145             }
 146           }
 147         }
 148       }
 149     }
 150
 151     ShellCommandLineFreeVarList (Package);
 152   }
 153   if (InShellFileHandle != NULL) {
 154     gEfiShellProtocol->CloseFile(InShellFileHandle);
 155   }
 156   if (OutShellFileHandle != NULL) {
 157     gEfiShellProtocol->CloseFile(OutShellFileHandle);
 158   }
 159   SHELL_FREE_NON_NULL(InFileName);
 160   SHELL_FREE_NON_NULL(InBuffer);
 161   SHELL_FREE_NON_NULL(OutBuffer);
 162
 163   return (ShellStatus);
 164 }