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**/
25SHELL_STATUS
26EFIAPI
27ShellCommandRunEfiCompress (
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}
165