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
  94         if (ShellIsDirectory (OutFileName) == EFI_SUCCESS) {
  95           ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"eficompress", OutFileName);
  96           ShellStatus = SHELL_INVALID_PARAMETER;
  97         }
  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_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"eficompress", ShellCommandLineGetRawValue (Package, 1));
 103             ShellStatus = SHELL_NOT_FOUND;
 104           }
 105
 106           Status = ShellOpenFileByName (OutFileName, &OutShellFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
 107           if (EFI_ERROR (Status)) {
 108             ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"eficompress", ShellCommandLineGetRawValue (Package, 2));
 109             ShellStatus = SHELL_NOT_FOUND;
 110           }
 111         }
 112
 113         if (ShellStatus == SHELL_SUCCESS) {
 114           Status = gEfiShellProtocol->GetFileSize (InShellFileHandle, &InSize);
 115           ASSERT_EFI_ERROR (Status);
 116           InBuffer = AllocateZeroPool ((UINTN)InSize);
 117           if (InBuffer == NULL) {
 118             Status = EFI_OUT_OF_RESOURCES;
 119           } else {
 120             InSize2 = (UINTN)InSize;
 121             Status  = gEfiShellProtocol->ReadFile (InShellFileHandle, &InSize2, InBuffer);
 122             InSize  = InSize2;
 123             ASSERT_EFI_ERROR (Status);
 124             Status = Compress (InBuffer, InSize, OutBuffer, &OutSize);
 125             if (Status == EFI_BUFFER_TOO_SMALL) {
 126               OutBuffer = AllocateZeroPool ((UINTN)OutSize);
 127               if (OutBuffer == NULL) {
 128                 Status = EFI_OUT_OF_RESOURCES;
 129               } else {
 130                 Status = Compress (InBuffer, InSize, OutBuffer, &OutSize);
 131               }
 132             }
 133           }
 134
 135           if (EFI_ERROR (Status)) {
 136             ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_EFI_COMPRESS_FAIL), gShellDebug1HiiHandle, Status);
 137             ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);
 138           } else {
 139             OutSize2 = (UINTN)OutSize;
 140             Status   = gEfiShellProtocol->WriteFile (OutShellFileHandle, &OutSize2, OutBuffer);
 141             if (EFI_ERROR (Status)) {
 142               ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"eficompress", OutFileName);
 143               ShellStatus = SHELL_DEVICE_ERROR;
 144             }
 145           }
 146         }
 147       }
 148     }
 149
 150     ShellCommandLineFreeVarList (Package);
 151   }
 152
 153   if (InShellFileHandle != NULL) {
 154     gEfiShellProtocol->CloseFile (InShellFileHandle);
 155   }
 156
 157   if (OutShellFileHandle != NULL) {
 158     gEfiShellProtocol->CloseFile (OutShellFileHandle);
 159   }
 160
 161   SHELL_FREE_NON_NULL (InFileName);
 162   SHELL_FREE_NON_NULL (InBuffer);
 163   SHELL_FREE_NON_NULL (OutBuffer);
 164
 165   return (ShellStatus);
 166 }