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https://github.com/CloverHackyColor/CloverBootloader.git
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282 lines
9.5 KiB
C
282 lines
9.5 KiB
C
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/** @file
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Main entry point of editor
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(C) Copyright 2014-2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "UefiShellDebug1CommandsLib.h"
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#include "HexEditor.h"
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//
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// Global Variables
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//
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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{L"-f", TypeFlag},
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{L"-d", TypeFlag},
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{L"-m", TypeFlag},
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{NULL, TypeMax}
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};
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/**
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Function for 'hexedit' command.
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@param[in] ImageHandle Handle to the Image (NULL if Internal).
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@param[in] SystemTable Pointer to the System Table (NULL if Internal).
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**/
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SHELL_STATUS
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EFIAPI
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ShellCommandRunHexEdit (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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CHAR16 *Buffer;
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CHAR16 *ProblemParam;
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SHELL_STATUS ShellStatus;
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LIST_ENTRY *Package;
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CHAR16 *NewName;
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CONST CHAR16 *Name;
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UINTN Offset;
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UINTN Size;
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EDIT_FILE_TYPE WhatToDo;
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Buffer = NULL;
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ShellStatus = SHELL_SUCCESS;
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NewName = NULL;
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Buffer = NULL;
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Name = NULL;
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Offset = 0;
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Size = 0;
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WhatToDo = FileTypeNone;
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//
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// initialize the shell lib (we must be in non-auto-init...)
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//
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Status = ShellInitialize();
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// ASSERT_EFI_ERROR(Status);
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Status = CommandInit();
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return SHELL_UNSUPPORTED;
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}
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//
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// parse the command line
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//
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Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
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if (EFI_ERROR(Status)) {
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if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"hexedit", ProblemParam);
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FreePool(ProblemParam);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} /* else {
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ASSERT(FALSE);
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} */
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} else {
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//
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// Check for -d
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//
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if (ShellCommandLineGetFlag(Package, L"-d")){
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if (ShellCommandLineGetCount(Package) < 4) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetCount(Package) > 4) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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WhatToDo = FileTypeDiskBuffer;
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Name = ShellCommandLineGetRawValue(Package, 1);
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Offset = ShellStrToUintn(ShellCommandLineGetRawValue(Package, 2));
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Size = ShellStrToUintn(ShellCommandLineGetRawValue(Package, 3));
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}
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if (Offset == (UINTN)-1 || Size == (UINTN)-1) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDebug1HiiHandle, L"hexedit", L"-d");
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ShellStatus = SHELL_INVALID_PARAMETER;
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}
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}
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//
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// check for -f
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//
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if (ShellCommandLineGetFlag(Package, L"-f") && (WhatToDo == FileTypeNone)){
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if (ShellCommandLineGetCount(Package) < 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetCount(Package) > 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Name = ShellCommandLineGetRawValue(Package, 1);
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if (Name == NULL || !IsValidFileName(Name)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"hexedit", Name);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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WhatToDo = FileTypeFileBuffer;
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}
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}
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}
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//
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// check for -m
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//
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if (ShellCommandLineGetFlag(Package, L"-m") && (WhatToDo == FileTypeNone)){
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if (ShellCommandLineGetCount(Package) < 3) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetCount(Package) > 3) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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WhatToDo = FileTypeMemBuffer;
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Offset = ShellStrToUintn(ShellCommandLineGetRawValue(Package, 1));
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Size = ShellStrToUintn(ShellCommandLineGetRawValue(Package, 2));
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}
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}
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Name = ShellCommandLineGetRawValue(Package, 1);
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if (WhatToDo == FileTypeNone && Name != NULL) {
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if (ShellCommandLineGetCount(Package) > 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (!IsValidFileName(Name)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"hexedit", Name);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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WhatToDo = FileTypeFileBuffer;
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}
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} else if (WhatToDo == FileTypeNone) {
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if (gEfiShellProtocol->GetCurDir(NULL) == NULL) {
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ShellStatus = SHELL_NOT_FOUND;
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellDebug1HiiHandle, L"hexedit");
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} else {
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NewName = EditGetDefaultFileName(L"bin");
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Name = NewName;
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WhatToDo = FileTypeFileBuffer;
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}
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}
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if (ShellStatus == SHELL_SUCCESS && WhatToDo == FileTypeNone) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (WhatToDo == FileTypeFileBuffer && ShellGetCurrentDir(NULL) == NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellDebug1HiiHandle, L"hexedit");
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ShellStatus = SHELL_INVALID_PARAMETER;
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}
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if (ShellStatus == SHELL_SUCCESS) {
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//
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// Do the editor
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//
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Status = HMainEditorInit ();
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if (EFI_ERROR (Status)) {
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gST->ConOut->ClearScreen (gST->ConOut);
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gST->ConOut->EnableCursor (gST->ConOut, TRUE);
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_INIT_FAILED), gShellDebug1HiiHandle);
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} else {
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HMainEditorBackup ();
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switch (WhatToDo) {
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case FileTypeFileBuffer:
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Status = HBufferImageRead (
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Name==NULL?L"":Name,
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NULL,
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0,
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0,
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0,
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0,
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FileTypeFileBuffer,
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FALSE
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);
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break;
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case FileTypeDiskBuffer:
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Status = HBufferImageRead (
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NULL,
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Name==NULL?L"":Name,
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Offset,
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Size,
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0,
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0,
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FileTypeDiskBuffer,
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FALSE
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);
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break;
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case FileTypeMemBuffer:
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Status = HBufferImageRead (
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NULL,
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NULL,
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0,
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0,
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(UINT32) Offset,
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Size,
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FileTypeMemBuffer,
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FALSE
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);
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break;
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default:
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Status = EFI_NOT_FOUND;
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break;
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}
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if (!EFI_ERROR (Status)) {
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HMainEditorRefresh ();
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Status = HMainEditorKeyInput ();
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}
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if (Status != EFI_OUT_OF_RESOURCES) {
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//
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// back up the status string
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//
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Buffer = CatSPrint (NULL, L"%s\r\n", StatusBarGetString());
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}
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}
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//
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// cleanup
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//
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HMainEditorCleanup ();
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if (EFI_ERROR (Status)) {
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if (ShellStatus == SHELL_SUCCESS) {
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ShellStatus = SHELL_UNSUPPORTED;
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}
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}
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//
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// print editor exit code on screen
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//
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if (Status == EFI_OUT_OF_RESOURCES) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellDebug1HiiHandle, L"hexedit");
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} else if (EFI_ERROR(Status)){
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if (Buffer != NULL) {
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if (StrCmp (Buffer, L"") != 0) {
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//
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// print out the status string
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//
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ShellPrintEx(-1, -1, L"%s", Buffer);
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} else {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_UNKNOWN_EDITOR), gShellDebug1HiiHandle);
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}
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} else {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_UNKNOWN_EDITOR), gShellDebug1HiiHandle);
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}
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}
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}
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ShellCommandLineFreeVarList (Package);
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}
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SHELL_FREE_NON_NULL (Buffer);
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SHELL_FREE_NON_NULL (NewName);
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return ShellStatus;
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}
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