1 | /** @file
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2 | Main file for EfiDecompress shell Debug1 function.
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3 |
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4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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5 | Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
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6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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7 |
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8 | **/
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9 |
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10 | #include "UefiShellDebug1CommandsLib.h"
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11 | #include <Protocol/Decompress.h>
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12 |
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13 | /**
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14 | Function for 'decompress' command.
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15 |
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16 | @param[in] ImageHandle Handle to the Image (NULL if Internal).
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17 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).
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18 | **/
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19 | SHELL_STATUS
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20 | EFIAPI
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21 | ShellCommandRunEfiDecompress (
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22 | IN EFI_HANDLE ImageHandle,
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23 | IN EFI_SYSTEM_TABLE *SystemTable
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24 | )
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25 | {
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26 | EFI_STATUS Status;
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27 | LIST_ENTRY *Package;
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28 | CHAR16 *ProblemParam;
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29 | SHELL_STATUS ShellStatus;
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30 | SHELL_FILE_HANDLE InFileHandle;
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31 | SHELL_FILE_HANDLE OutFileHandle;
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32 | UINT32 OutSize;
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33 | UINTN OutSizeTemp;
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34 | VOID *OutBuffer;
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35 | UINTN InSize;
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36 | VOID *InBuffer;
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37 | CHAR16 *InFileName;
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38 | CONST CHAR16 *OutFileName;
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39 | UINT64 Temp64Bit;
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40 | UINT32 ScratchSize;
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41 | VOID *ScratchBuffer;
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42 | EFI_DECOMPRESS_PROTOCOL *Decompress;
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43 | CONST CHAR16 *TempParam;
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44 |
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45 | InFileName = NULL;
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46 | OutFileName = NULL;
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47 | OutSize = 0;
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48 | ScratchSize = 0;
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49 | ShellStatus = SHELL_SUCCESS;
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50 | Status = EFI_SUCCESS;
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51 | OutBuffer = NULL;
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52 | InBuffer = NULL;
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53 | ScratchBuffer = NULL;
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54 | InFileHandle = NULL;
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55 | OutFileHandle = NULL;
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56 | Decompress = NULL;
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57 |
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58 | //
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59 | // initialize the shell lib (we must be in non-auto-init...)
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60 | //
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61 | Status = ShellInitialize ();
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62 | ASSERT_EFI_ERROR (Status);
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63 |
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64 | Status = CommandInit ();
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65 | ASSERT_EFI_ERROR (Status);
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66 |
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67 | //
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68 | // parse the command line
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69 | //
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70 | Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
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71 | if (EFI_ERROR (Status)) {
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72 | if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
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73 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"efidecompress", ProblemParam);
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74 | FreePool (ProblemParam);
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75 | ShellStatus = SHELL_INVALID_PARAMETER;
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76 | } else {
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77 | ASSERT (FALSE);
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78 | }
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79 | } else {
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80 | if (ShellCommandLineGetCount (Package) > 3) {
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81 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"efidecompress");
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82 | ShellStatus = SHELL_INVALID_PARAMETER;
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83 | } else if (ShellCommandLineGetCount (Package) < 3) {
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84 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"efidecompress");
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85 | ShellStatus = SHELL_INVALID_PARAMETER;
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86 | } else {
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87 | TempParam = ShellCommandLineGetRawValue (Package, 1);
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88 | ASSERT (TempParam != NULL);
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89 | InFileName = ShellFindFilePath (TempParam);
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90 | OutFileName = ShellCommandLineGetRawValue (Package, 2);
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91 | if (InFileName == NULL) {
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92 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"efidecompress", TempParam);
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93 | ShellStatus = SHELL_NOT_FOUND;
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94 | } else {
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95 | if (ShellIsDirectory (InFileName) == EFI_SUCCESS) {
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96 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"efidecompress", InFileName);
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97 | ShellStatus = SHELL_INVALID_PARAMETER;
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98 | }
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99 |
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100 | if (ShellIsDirectory (OutFileName) == EFI_SUCCESS) {
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101 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"efidecompress", OutFileName);
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102 | ShellStatus = SHELL_INVALID_PARAMETER;
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103 | }
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104 |
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105 | if (ShellStatus == SHELL_SUCCESS) {
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106 | Status = ShellOpenFileByName (InFileName, &InFileHandle, EFI_FILE_MODE_READ, 0);
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107 | if (EFI_ERROR (Status)) {
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108 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"efidecompress", ShellCommandLineGetRawValue (Package, 1));
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109 | ShellStatus = SHELL_NOT_FOUND;
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110 | }
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111 | }
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112 |
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113 | if (ShellStatus == SHELL_SUCCESS) {
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114 | Status = FileHandleGetSize (InFileHandle, &Temp64Bit);
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115 | ASSERT_EFI_ERROR (Status);
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116 | if (!EFI_ERROR (Status)) {
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117 | ASSERT (Temp64Bit <= (UINT32)(-1));
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118 | InSize = (UINTN)Temp64Bit;
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119 | InBuffer = AllocateZeroPool (InSize);
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120 | }
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121 |
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122 | if (InBuffer == NULL) {
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123 | Status = EFI_OUT_OF_RESOURCES;
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124 | } else {
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125 | Status = gEfiShellProtocol->ReadFile (InFileHandle, &InSize, InBuffer);
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126 | ASSERT_EFI_ERROR (Status);
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127 |
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128 | Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID **)&Decompress);
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129 | ASSERT_EFI_ERROR (Status);
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130 |
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131 | Status = Decompress->GetInfo (Decompress, InBuffer, (UINT32)InSize, &OutSize, &ScratchSize);
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132 | }
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133 |
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134 | if (EFI_ERROR (Status) || (OutSize == 0)) {
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135 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_NOPE), gShellDebug1HiiHandle, InFileName);
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136 | ShellStatus = SHELL_NOT_FOUND;
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137 | } else {
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138 | Status = ShellOpenFileByName (OutFileName, &OutFileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
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139 | if (EFI_ERROR (Status)) {
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140 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_OPEN_FAIL), gShellDebug1HiiHandle, ShellCommandLineGetRawValue (Package, 2), Status);
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141 | ShellStatus = SHELL_NOT_FOUND;
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142 | } else {
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143 | OutBuffer = AllocateZeroPool (OutSize);
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144 | ScratchBuffer = AllocateZeroPool (ScratchSize);
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145 | if ((OutBuffer == NULL) || (ScratchBuffer == NULL)) {
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146 | Status = EFI_OUT_OF_RESOURCES;
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147 | } else {
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148 | Status = Decompress->Decompress (Decompress, InBuffer, (UINT32)InSize, OutBuffer, OutSize, ScratchBuffer, ScratchSize);
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149 | }
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150 | }
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151 | }
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152 |
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153 | if (EFI_ERROR (Status)) {
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154 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_FAIL), gShellDebug1HiiHandle, Status);
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155 | ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);
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156 | } else {
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157 | OutSizeTemp = OutSize;
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158 | Status = gEfiShellProtocol->WriteFile (OutFileHandle, &OutSizeTemp, OutBuffer);
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159 | OutSize = (UINT32)OutSizeTemp;
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160 | if (EFI_ERROR (Status)) {
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161 | ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"efidecompress", OutFileName, Status);
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162 | ShellStatus = SHELL_DEVICE_ERROR;
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163 | }
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164 | }
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165 | }
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166 | }
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167 | }
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168 |
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169 | ShellCommandLineFreeVarList (Package);
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170 | }
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171 |
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172 | if (InFileHandle != NULL) {
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173 | gEfiShellProtocol->CloseFile (InFileHandle);
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174 | }
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175 |
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176 | if (OutFileHandle != NULL) {
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177 | gEfiShellProtocol->CloseFile (OutFileHandle);
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178 | }
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179 |
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180 | SHELL_FREE_NON_NULL (InFileName);
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181 | SHELL_FREE_NON_NULL (InBuffer);
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182 | SHELL_FREE_NON_NULL (OutBuffer);
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183 | SHELL_FREE_NON_NULL (ScratchBuffer);
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184 |
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185 | return (ShellStatus);
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186 | }
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