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 - 2018, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "UefiShellDebug1CommandsLib.h"
  11 #include "Compress.h"
  12
  13 /**
  14   Function for 'compress' command.
  15
  16   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  17   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  18 **/
  19 SHELL_STATUS
  20 EFIAPI
  21 ShellCommandRunEfiCompress (
  22   IN EFI_HANDLE        ImageHandle,
  23   IN EFI_SYSTEM_TABLE  *SystemTable
  24   )
  25 {
  26   EFI_STATUS          Status;
  27   LIST_ENTRY          *Package;
  28   CHAR16              *ProblemParam;
  29   SHELL_STATUS        ShellStatus;
  30   SHELL_FILE_HANDLE   InShellFileHandle;
  31   SHELL_FILE_HANDLE   OutShellFileHandle;
  32   UINT64              OutSize;
  33   UINTN               OutSize2;
  34   VOID                *OutBuffer;
  35   UINT64              InSize;
  36   UINTN               InSize2;
  37   VOID                *InBuffer;
  38   CHAR16              *InFileName;
  39   CONST CHAR16        *OutFileName;
  40   CONST CHAR16        *TempParam;
  41
  42   InFileName          = NULL;
  43   OutFileName         = NULL;
  44   OutSize             = 0;
  45   ShellStatus         = SHELL_SUCCESS;
  46   Status              = EFI_SUCCESS;
  47   OutBuffer           = NULL;
  48   InShellFileHandle   = NULL;
  49   OutShellFileHandle  = NULL;
  50   InBuffer            = NULL;
  51
  52   //
  53   // initialize the shell lib (we must be in non-auto-init...)
  54   //
  55   Status = ShellInitialize();
  56   ASSERT_EFI_ERROR(Status);
  57
  58   Status = CommandInit();
  59   ASSERT_EFI_ERROR(Status);
  60
  61   //
  62   // parse the command line
  63   //
  64   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  65   if (EFI_ERROR(Status)) {
  66     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  67       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"eficompress", ProblemParam);
  68       FreePool(ProblemParam);
  69       ShellStatus = SHELL_INVALID_PARAMETER;
  70     } else {
  71       ASSERT(FALSE);
  72     }
  73   } else {
  74     if (ShellCommandLineGetCount(Package) > 3) {
  75       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"eficompress");
  76       ShellStatus = SHELL_INVALID_PARAMETER;
  77     } else if (ShellCommandLineGetCount(Package) < 3) {
  78       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"eficompress");
  79       ShellStatus = SHELL_INVALID_PARAMETER;
  80     } else {
  81       TempParam = ShellCommandLineGetRawValue(Package, 1);
  82       ASSERT(TempParam != NULL);
  83       InFileName = ShellFindFilePath(TempParam);
  84       OutFileName = ShellCommandLineGetRawValue(Package, 2);
  85       if (InFileName == NULL) {
  86         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"eficompress", TempParam);
  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, L"eficompress", 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, L"eficompress", 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_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"eficompress", ShellCommandLineGetRawValue(Package, 1));
 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_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"eficompress", ShellCommandLineGetRawValue(Package, 2));
 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           if (InBuffer == NULL) {
 114             Status = EFI_OUT_OF_RESOURCES;
 115           } else {
 116             InSize2 = (UINTN) InSize;
 117             Status = gEfiShellProtocol->ReadFile (InShellFileHandle, &InSize2, InBuffer);
 118             InSize = InSize2;
 119             ASSERT_EFI_ERROR (Status);
 120             Status = Compress (InBuffer, InSize, OutBuffer, &OutSize);
 121             if (Status == EFI_BUFFER_TOO_SMALL) {
 122               OutBuffer = AllocateZeroPool ((UINTN) OutSize);
 123               if (OutBuffer == NULL) {
 124                 Status = EFI_OUT_OF_RESOURCES;
 125               } else {
 126                 Status = Compress (InBuffer, InSize, OutBuffer, &OutSize);
 127               }
 128             }
 129           }
 130           if (EFI_ERROR(Status)) {
 131             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_COMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 132             ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);
 133           } else {
 134             OutSize2 = (UINTN)OutSize;
 135             Status = gEfiShellProtocol->WriteFile(OutShellFileHandle, &OutSize2, OutBuffer);
 136             if (EFI_ERROR(Status)) {
 137               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"eficompress", OutFileName);
 138               ShellStatus = SHELL_DEVICE_ERROR;
 139             }
 140           }
 141         }
 142       }
 143     }
 144
 145     ShellCommandLineFreeVarList (Package);
 146   }
 147   if (InShellFileHandle != NULL) {
 148     gEfiShellProtocol->CloseFile(InShellFileHandle);
 149   }
 150   if (OutShellFileHandle != NULL) {
 151     gEfiShellProtocol->CloseFile(OutShellFileHandle);
 152   }
 153   SHELL_FREE_NON_NULL(InFileName);
 154   SHELL_FREE_NON_NULL(InBuffer);
 155   SHELL_FREE_NON_NULL(OutBuffer);
 156
 157   return (ShellStatus);
 158 }