926704714e
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chris Phillips <chrisp@hp.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13943 6f19259b-4bc3-4df7-8a09-765794883524
1955 lines
66 KiB
C
1955 lines
66 KiB
C
/** @file
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This is THE shell (application)
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Copyright (c) 2009 - 2012, 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 "Shell.h"
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//
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// Initialize the global structure
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//
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SHELL_INFO ShellInfoObject = {
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NULL,
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NULL,
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FALSE,
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FALSE,
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{
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{{
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0
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}},
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0,
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NULL,
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NULL
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},
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{{NULL, NULL}, NULL},
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{
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{{NULL, NULL}, NULL},
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0,
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0,
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TRUE
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},
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NULL,
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0,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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{{NULL, NULL}, NULL, NULL},
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{{NULL, NULL}, NULL, NULL},
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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FALSE
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};
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STATIC CONST CHAR16 mScriptExtension[] = L".NSH";
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STATIC CONST CHAR16 mExecutableExtensions[] = L".NSH;.EFI";
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STATIC CONST CHAR16 mStartupScript[] = L"startup.nsh";
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/**
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Function to start monitoring for CTRL-S using SimpleTextInputEx. This
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feature's enabled state was not known when the shell initially launched.
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@retval EFI_SUCCESS The feature is enabled.
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@retval EFI_OUT_OF_RESOURCES There is not enough mnemory available.
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**/
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EFI_STATUS
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EFIAPI
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InternalEfiShellStartCtrlSMonitor(
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VOID
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)
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{
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EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *SimpleEx;
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EFI_KEY_DATA KeyData;
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EFI_STATUS Status;
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Status = gBS->OpenProtocol(
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gST->ConsoleInHandle,
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&gEfiSimpleTextInputExProtocolGuid,
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(VOID**)&SimpleEx,
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gImageHandle,
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NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(
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-1,
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-1,
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NULL,
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STRING_TOKEN (STR_SHELL_NO_IN_EX),
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ShellInfoObject.HiiHandle);
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return (EFI_SUCCESS);
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}
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KeyData.KeyState.KeyToggleState = 0;
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KeyData.Key.ScanCode = 0;
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KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;
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KeyData.Key.UnicodeChar = L's';
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Status = SimpleEx->RegisterKeyNotify(
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SimpleEx,
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&KeyData,
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NotificationFunction,
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&ShellInfoObject.CtrlSNotifyHandle1);
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KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
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if (!EFI_ERROR(Status)) {
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Status = SimpleEx->RegisterKeyNotify(
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SimpleEx,
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&KeyData,
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NotificationFunction,
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&ShellInfoObject.CtrlSNotifyHandle2);
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}
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KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;
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KeyData.Key.UnicodeChar = 19;
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if (!EFI_ERROR(Status)) {
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Status = SimpleEx->RegisterKeyNotify(
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SimpleEx,
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&KeyData,
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NotificationFunction,
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&ShellInfoObject.CtrlSNotifyHandle2);
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}
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KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
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if (!EFI_ERROR(Status)) {
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Status = SimpleEx->RegisterKeyNotify(
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SimpleEx,
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&KeyData,
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NotificationFunction,
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&ShellInfoObject.CtrlSNotifyHandle2);
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}
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return (Status);
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}
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/**
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The entry point for the application.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The entry point is executed successfully.
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@retval other Some error occurs when executing this entry point.
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**/
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EFI_STATUS
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EFIAPI
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UefiMain (
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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 *TempString;
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UINTN Size;
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EFI_HANDLE ConInHandle;
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EFI_SIMPLE_TEXT_INPUT_PROTOCOL *OldConIn;
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if (PcdGet8(PcdShellSupportLevel) > 3) {
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return (EFI_UNSUPPORTED);
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}
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//
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// Clear the screen
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//
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Status = gST->ConOut->ClearScreen(gST->ConOut);
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if (EFI_ERROR(Status)) {
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return (Status);
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}
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//
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// Populate the global structure from PCDs
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//
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ShellInfoObject.ImageDevPath = NULL;
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ShellInfoObject.FileDevPath = NULL;
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ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);
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ShellInfoObject.ViewingSettings.InsertMode = PcdGetBool(PcdShellInsertModeDefault);
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ShellInfoObject.LogScreenCount = PcdGet8 (PcdShellScreenLogCount );
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//
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// verify we dont allow for spec violation
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//
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ASSERT(ShellInfoObject.LogScreenCount >= 3);
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//
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// Initialize the LIST ENTRY objects...
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//
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InitializeListHead(&ShellInfoObject.BufferToFreeList.Link);
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InitializeListHead(&ShellInfoObject.ViewingSettings.CommandHistory.Link);
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InitializeListHead(&ShellInfoObject.SplitList.Link);
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//
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// Check PCDs for optional features that are not implemented yet.
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//
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if ( PcdGetBool(PcdShellSupportOldProtocols)
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|| !FeaturePcdGet(PcdShellRequireHiiPlatform)
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|| FeaturePcdGet(PcdShellSupportFrameworkHii)
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) {
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return (EFI_UNSUPPORTED);
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}
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//
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// turn off the watchdog timer
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//
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gBS->SetWatchdogTimer (0, 0, 0, NULL);
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//
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// install our console logger. This will keep a log of the output for back-browsing
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//
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Status = ConsoleLoggerInstall(ShellInfoObject.LogScreenCount, &ShellInfoObject.ConsoleInfo);
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if (!EFI_ERROR(Status)) {
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//
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// Enable the cursor to be visible
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//
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gST->ConOut->EnableCursor (gST->ConOut, TRUE);
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//
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// If supporting EFI 1.1 we need to install HII protocol
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// only do this if PcdShellRequireHiiPlatform == FALSE
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//
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// remove EFI_UNSUPPORTED check above when complete.
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///@todo add support for Framework HII
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//
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// install our (solitary) HII package
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//
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ShellInfoObject.HiiHandle = HiiAddPackages (&gEfiCallerIdGuid, gImageHandle, ShellStrings, NULL);
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if (ShellInfoObject.HiiHandle == NULL) {
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if (PcdGetBool(PcdShellSupportFrameworkHii)) {
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///@todo Add our package into Framework HII
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}
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if (ShellInfoObject.HiiHandle == NULL) {
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return (EFI_NOT_STARTED);
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}
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}
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//
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// create and install the EfiShellParametersProtocol
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//
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Status = CreatePopulateInstallShellParametersProtocol(&ShellInfoObject.NewShellParametersProtocol, &ShellInfoObject.RootShellInstance);
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ASSERT_EFI_ERROR(Status);
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ASSERT(ShellInfoObject.NewShellParametersProtocol != NULL);
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//
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// create and install the EfiShellProtocol
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//
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Status = CreatePopulateInstallShellProtocol(&ShellInfoObject.NewEfiShellProtocol);
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ASSERT_EFI_ERROR(Status);
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ASSERT(ShellInfoObject.NewEfiShellProtocol != NULL);
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//
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// Now initialize the shell library (it requires Shell Parameters protocol)
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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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//
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// Check the command line
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//
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Status = ProcessCommandLine();
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//
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// If shell support level is >= 1 create the mappings and paths
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//
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if (PcdGet8(PcdShellSupportLevel) >= 1) {
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Status = ShellCommandCreateInitialMappingsAndPaths();
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}
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//
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// save the device path for the loaded image and the device path for the filepath (under loaded image)
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// These are where to look for the startup.nsh file
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//
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Status = GetDevicePathsForImageAndFile(&ShellInfoObject.ImageDevPath, &ShellInfoObject.FileDevPath);
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ASSERT_EFI_ERROR(Status);
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//
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// Display the version
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//
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if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion) {
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ShellPrintHiiEx (
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0,
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gST->ConOut->Mode->CursorRow,
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NULL,
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STRING_TOKEN (STR_VER_OUTPUT_MAIN),
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ShellInfoObject.HiiHandle,
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SupportLevel[PcdGet8(PcdShellSupportLevel)],
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gEfiShellProtocol->MajorVersion,
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gEfiShellProtocol->MinorVersion,
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(gST->Hdr.Revision&0xffff0000)>>16,
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(gST->Hdr.Revision&0x0000ffff),
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gST->FirmwareVendor,
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gST->FirmwareRevision
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);
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}
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//
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// Display the mapping
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//
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if (PcdGet8(PcdShellSupportLevel) >= 2 && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap) {
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Status = RunCommand(L"map");
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ASSERT_EFI_ERROR(Status);
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}
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//
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// init all the built in alias'
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//
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Status = SetBuiltInAlias();
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ASSERT_EFI_ERROR(Status);
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//
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// Initialize environment variables
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//
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if (ShellCommandGetProfileList() != NULL) {
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Status = InternalEfiShellSetEnv(L"profiles", ShellCommandGetProfileList(), TRUE);
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ASSERT_EFI_ERROR(Status);
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}
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Size = 100;
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TempString = AllocateZeroPool(Size);
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UnicodeSPrint(TempString, Size, L"%d", PcdGet8(PcdShellSupportLevel));
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Status = InternalEfiShellSetEnv(L"uefishellsupport", TempString, TRUE);
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ASSERT_EFI_ERROR(Status);
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UnicodeSPrint(TempString, Size, L"%d.%d", ShellInfoObject.NewEfiShellProtocol->MajorVersion, ShellInfoObject.NewEfiShellProtocol->MinorVersion);
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Status = InternalEfiShellSetEnv(L"uefishellversion", TempString, TRUE);
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ASSERT_EFI_ERROR(Status);
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UnicodeSPrint(TempString, Size, L"%d.%d", (gST->Hdr.Revision & 0xFFFF0000) >> 16, gST->Hdr.Revision & 0x0000FFFF);
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Status = InternalEfiShellSetEnv(L"uefiversion", TempString, TRUE);
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ASSERT_EFI_ERROR(Status);
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FreePool(TempString);
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if (!EFI_ERROR(Status)) {
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if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {
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//
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// Set up the event for CTRL-C monitoring...
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//
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Status = InernalEfiShellStartMonitor();
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}
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if (!EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
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//
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// Set up the event for CTRL-S monitoring...
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//
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Status = InternalEfiShellStartCtrlSMonitor();
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}
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if (!EFI_ERROR(Status) && ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
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//
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// close off the gST->ConIn
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//
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OldConIn = gST->ConIn;
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ConInHandle = gST->ConsoleInHandle;
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gST->ConIn = CreateSimpleTextInOnFile((SHELL_FILE_HANDLE)&FileInterfaceNulFile, &gST->ConsoleInHandle);
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} else {
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OldConIn = NULL;
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ConInHandle = NULL;
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}
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if (!EFI_ERROR(Status) && PcdGet8(PcdShellSupportLevel) >= 1) {
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//
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// process the startup script or launch the called app.
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//
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Status = DoStartupScript(ShellInfoObject.ImageDevPath, ShellInfoObject.FileDevPath);
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}
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if (!ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
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//
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// begin the UI waiting loop
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//
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do {
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//
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// clean out all the memory allocated for CONST <something> * return values
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// between each shell prompt presentation
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//
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if (!IsListEmpty(&ShellInfoObject.BufferToFreeList.Link)){
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FreeBufferList(&ShellInfoObject.BufferToFreeList);
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}
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//
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// Reset page break back to default.
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//
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ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);
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ShellInfoObject.ConsoleInfo->Enabled = TRUE;
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ShellInfoObject.ConsoleInfo->RowCounter = 0;
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//
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// Reset the CTRL-C event (yes we ignore the return values)
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//
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Status = gBS->CheckEvent (ShellInfoObject.NewEfiShellProtocol->ExecutionBreak);
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//
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// Display Prompt
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//
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Status = DoShellPrompt();
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} while (!ShellCommandGetExit());
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}
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if (OldConIn != NULL && ConInHandle != NULL) {
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CloseSimpleTextInOnFile (gST->ConIn);
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gST->ConIn = OldConIn;
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gST->ConsoleInHandle = ConInHandle;
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}
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}
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}
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//
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// uninstall protocols / free memory / etc...
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//
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if (ShellInfoObject.UserBreakTimer != NULL) {
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gBS->CloseEvent(ShellInfoObject.UserBreakTimer);
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DEBUG_CODE(ShellInfoObject.UserBreakTimer = NULL;);
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}
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if (ShellInfoObject.ImageDevPath != NULL) {
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FreePool(ShellInfoObject.ImageDevPath);
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DEBUG_CODE(ShellInfoObject.ImageDevPath = NULL;);
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}
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if (ShellInfoObject.FileDevPath != NULL) {
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FreePool(ShellInfoObject.FileDevPath);
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DEBUG_CODE(ShellInfoObject.FileDevPath = NULL;);
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}
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if (ShellInfoObject.NewShellParametersProtocol != NULL) {
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CleanUpShellParametersProtocol(ShellInfoObject.NewShellParametersProtocol);
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DEBUG_CODE(ShellInfoObject.NewShellParametersProtocol = NULL;);
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}
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if (ShellInfoObject.NewEfiShellProtocol != NULL){
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if (ShellInfoObject.NewEfiShellProtocol->IsRootShell()){
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InternalEfiShellSetEnv(L"cwd", NULL, TRUE);
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}
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CleanUpShellProtocol(ShellInfoObject.NewEfiShellProtocol);
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DEBUG_CODE(ShellInfoObject.NewEfiShellProtocol = NULL;);
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}
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if (!IsListEmpty(&ShellInfoObject.BufferToFreeList.Link)){
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FreeBufferList(&ShellInfoObject.BufferToFreeList);
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}
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if (!IsListEmpty(&ShellInfoObject.SplitList.Link)){
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ASSERT(FALSE); ///@todo finish this de-allocation.
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}
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if (ShellInfoObject.ShellInitSettings.FileName != NULL) {
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FreePool(ShellInfoObject.ShellInitSettings.FileName);
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DEBUG_CODE(ShellInfoObject.ShellInitSettings.FileName = NULL;);
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}
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if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {
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FreePool(ShellInfoObject.ShellInitSettings.FileOptions);
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DEBUG_CODE(ShellInfoObject.ShellInitSettings.FileOptions = NULL;);
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}
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if (ShellInfoObject.HiiHandle != NULL) {
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HiiRemovePackages(ShellInfoObject.HiiHandle);
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DEBUG_CODE(ShellInfoObject.HiiHandle = NULL;);
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}
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if (!IsListEmpty(&ShellInfoObject.ViewingSettings.CommandHistory.Link)){
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FreeBufferList(&ShellInfoObject.ViewingSettings.CommandHistory);
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}
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ASSERT(ShellInfoObject.ConsoleInfo != NULL);
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if (ShellInfoObject.ConsoleInfo != NULL) {
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ConsoleLoggerUninstall(ShellInfoObject.ConsoleInfo);
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FreePool(ShellInfoObject.ConsoleInfo);
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DEBUG_CODE(ShellInfoObject.ConsoleInfo = NULL;);
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}
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if (ShellCommandGetExit()) {
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return ((EFI_STATUS)ShellCommandGetExitCode());
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}
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return (Status);
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}
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/**
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Sets all the alias' that were registered with the ShellCommandLib library.
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@retval EFI_SUCCESS all init commands were run sucessfully.
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**/
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EFI_STATUS
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EFIAPI
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SetBuiltInAlias(
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)
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{
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EFI_STATUS Status;
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CONST ALIAS_LIST *List;
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ALIAS_LIST *Node;
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//
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// Get all the commands we want to run
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//
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List = ShellCommandGetInitAliasList();
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//
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// for each command in the List
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//
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for ( Node = (ALIAS_LIST*)GetFirstNode(&List->Link)
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; !IsNull (&List->Link, &Node->Link)
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; Node = (ALIAS_LIST *)GetNextNode(&List->Link, &Node->Link)
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){
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//
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// install the alias'
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//
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Status = InternalSetAlias(Node->CommandString, Node->Alias, TRUE);
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ASSERT_EFI_ERROR(Status);
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}
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return (EFI_SUCCESS);
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}
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/**
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Internal function to determine if 2 command names are really the same.
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@param[in] Command1 The pointer to the first command name.
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@param[in] Command2 The pointer to the second command name.
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@retval TRUE The 2 command names are the same.
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@retval FALSE The 2 command names are not the same.
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**/
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BOOLEAN
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EFIAPI
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IsCommand(
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IN CONST CHAR16 *Command1,
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IN CONST CHAR16 *Command2
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)
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{
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if (StringNoCaseCompare(&Command1, &Command2) == 0) {
|
|
return (TRUE);
|
|
}
|
|
return (FALSE);
|
|
}
|
|
|
|
/**
|
|
Internal function to determine if a command is a script only command.
|
|
|
|
@param[in] CommandName The pointer to the command name.
|
|
|
|
@retval TRUE The command is a script only command.
|
|
@retval FALSE The command is not a script only command.
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
IsScriptOnlyCommand(
|
|
IN CONST CHAR16 *CommandName
|
|
)
|
|
{
|
|
if (IsCommand(CommandName, L"for")
|
|
||IsCommand(CommandName, L"endfor")
|
|
||IsCommand(CommandName, L"if")
|
|
||IsCommand(CommandName, L"else")
|
|
||IsCommand(CommandName, L"endif")
|
|
||IsCommand(CommandName, L"goto")) {
|
|
return (TRUE);
|
|
}
|
|
return (FALSE);
|
|
}
|
|
|
|
/**
|
|
This function will populate the 2 device path protocol parameters based on the
|
|
global gImageHandle. The DevPath will point to the device path for the handle that has
|
|
loaded image protocol installed on it. The FilePath will point to the device path
|
|
for the file that was loaded.
|
|
|
|
@param[in, out] DevPath On a sucessful return the device path to the loaded image.
|
|
@param[in, out] FilePath On a sucessful return the device path to the file.
|
|
|
|
@retval EFI_SUCCESS The 2 device paths were sucessfully returned.
|
|
@retval other A error from gBS->HandleProtocol.
|
|
|
|
@sa HandleProtocol
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
GetDevicePathsForImageAndFile (
|
|
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevPath,
|
|
IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
|
|
EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;
|
|
|
|
ASSERT(DevPath != NULL);
|
|
ASSERT(FilePath != NULL);
|
|
|
|
Status = gBS->OpenProtocol (
|
|
gImageHandle,
|
|
&gEfiLoadedImageProtocolGuid,
|
|
(VOID**)&LoadedImage,
|
|
gImageHandle,
|
|
NULL,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (!EFI_ERROR (Status)) {
|
|
Status = gBS->OpenProtocol (
|
|
LoadedImage->DeviceHandle,
|
|
&gEfiDevicePathProtocolGuid,
|
|
(VOID**)&ImageDevicePath,
|
|
gImageHandle,
|
|
NULL,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (!EFI_ERROR (Status)) {
|
|
*DevPath = DuplicateDevicePath (ImageDevicePath);
|
|
*FilePath = DuplicateDevicePath (LoadedImage->FilePath);
|
|
gBS->CloseProtocol(
|
|
LoadedImage->DeviceHandle,
|
|
&gEfiDevicePathProtocolGuid,
|
|
gImageHandle,
|
|
NULL);
|
|
}
|
|
gBS->CloseProtocol(
|
|
gImageHandle,
|
|
&gEfiLoadedImageProtocolGuid,
|
|
gImageHandle,
|
|
NULL);
|
|
}
|
|
return (Status);
|
|
}
|
|
|
|
STATIC CONST SHELL_PARAM_ITEM mShellParamList[] = {
|
|
{L"-nostartup", TypeFlag},
|
|
{L"-startup", TypeFlag},
|
|
{L"-noconsoleout", TypeFlag},
|
|
{L"-noconsolein", TypeFlag},
|
|
{L"-nointerrupt", TypeFlag},
|
|
{L"-nomap", TypeFlag},
|
|
{L"-noversion", TypeFlag},
|
|
{L"-startup", TypeFlag},
|
|
{L"-delay", TypeValue},
|
|
{NULL, TypeMax}
|
|
};
|
|
|
|
/**
|
|
Process all Uefi Shell 2.0 command line options.
|
|
|
|
see Uefi Shell 2.0 section 3.2 for full details.
|
|
|
|
the command line must resemble the following:
|
|
|
|
shell.efi [ShellOpt-options] [options] [file-name [file-name-options]]
|
|
|
|
ShellOpt-options Options which control the initialization behavior of the shell.
|
|
These options are read from the EFI global variable "ShellOpt"
|
|
and are processed before options or file-name.
|
|
|
|
options Options which control the initialization behavior of the shell.
|
|
|
|
file-name The name of a UEFI shell application or script to be executed
|
|
after initialization is complete. By default, if file-name is
|
|
specified, then -nostartup is implied. Scripts are not supported
|
|
by level 0.
|
|
|
|
file-name-options The command-line options that are passed to file-name when it
|
|
is invoked.
|
|
|
|
This will initialize the ShellInfoObject.ShellInitSettings global variable.
|
|
|
|
@retval EFI_SUCCESS The variable is initialized.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ProcessCommandLine(
|
|
VOID
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
LIST_ENTRY *Package;
|
|
UINTN Size;
|
|
CONST CHAR16 *TempConst;
|
|
UINTN Count;
|
|
UINTN LoopVar;
|
|
CHAR16 *ProblemParam;
|
|
UINT64 Intermediate;
|
|
|
|
Package = NULL;
|
|
ProblemParam = NULL;
|
|
|
|
Status = ShellCommandLineParse (mShellParamList, &Package, NULL, FALSE);
|
|
|
|
Count = 1;
|
|
Size = 0;
|
|
TempConst = ShellCommandLineGetRawValue(Package, Count++);
|
|
if (TempConst != NULL && StrLen(TempConst)) {
|
|
ShellInfoObject.ShellInitSettings.FileName = AllocateZeroPool(StrSize(TempConst));
|
|
if (ShellInfoObject.ShellInitSettings.FileName == NULL) {
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
StrCpy(ShellInfoObject.ShellInitSettings.FileName, TempConst);
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = 1;
|
|
for (LoopVar = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {
|
|
if (StrCmp(gEfiShellParametersProtocol->Argv[LoopVar], ShellInfoObject.ShellInitSettings.FileName)==0) {
|
|
LoopVar++;
|
|
//
|
|
// We found the file... add the rest of the params...
|
|
//
|
|
for ( ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {
|
|
ASSERT((ShellInfoObject.ShellInitSettings.FileOptions == NULL && Size == 0) || (ShellInfoObject.ShellInitSettings.FileOptions != NULL));
|
|
StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,
|
|
&Size,
|
|
L" ",
|
|
0);
|
|
if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {
|
|
SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,
|
|
&Size,
|
|
gEfiShellParametersProtocol->Argv[LoopVar],
|
|
0);
|
|
if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {
|
|
SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
ShellCommandLineFreeVarList(Package);
|
|
Package = NULL;
|
|
Status = ShellCommandLineParse (mShellParamList, &Package, &ProblemParam, FALSE);
|
|
if (EFI_ERROR(Status)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), ShellInfoObject.HiiHandle, ProblemParam);
|
|
FreePool(ProblemParam);
|
|
ShellCommandLineFreeVarList(Package);
|
|
return (EFI_INVALID_PARAMETER);
|
|
}
|
|
}
|
|
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = ShellCommandLineGetFlag(Package, L"-startup");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = ShellCommandLineGetFlag(Package, L"-nostartup");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = ShellCommandLineGetFlag(Package, L"-noconsoleout");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = ShellCommandLineGetFlag(Package, L"-noconsolein");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = ShellCommandLineGetFlag(Package, L"-nointerrupt");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = ShellCommandLineGetFlag(Package, L"-nomap");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = ShellCommandLineGetFlag(Package, L"-noversion");
|
|
ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = ShellCommandLineGetFlag(Package, L"-delay");
|
|
|
|
ShellInfoObject.ShellInitSettings.Delay = 5;
|
|
|
|
if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {
|
|
ShellInfoObject.ShellInitSettings.Delay = 0;
|
|
} else if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay) {
|
|
TempConst = ShellCommandLineGetValue(Package, L"-delay");
|
|
if (TempConst != NULL && *TempConst == L':') {
|
|
TempConst++;
|
|
}
|
|
if (TempConst != NULL && !EFI_ERROR(ShellConvertStringToUint64(TempConst, &Intermediate, FALSE, FALSE))) {
|
|
ShellInfoObject.ShellInitSettings.Delay = (UINTN)Intermediate;
|
|
}
|
|
}
|
|
ShellCommandLineFreeVarList(Package);
|
|
|
|
return (Status);
|
|
}
|
|
|
|
/**
|
|
Handles all interaction with the default startup script.
|
|
|
|
this will check that the correct command line parameters were passed, handle the delay, and then start running the script.
|
|
|
|
@param ImagePath the path to the image for shell. first place to look for the startup script
|
|
@param FilePath the path to the file for shell. second place to look for the startup script.
|
|
|
|
@retval EFI_SUCCESS the variable is initialized.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DoStartupScript(
|
|
EFI_DEVICE_PATH_PROTOCOL *ImagePath,
|
|
EFI_DEVICE_PATH_PROTOCOL *FilePath
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINTN Delay;
|
|
EFI_INPUT_KEY Key;
|
|
SHELL_FILE_HANDLE FileHandle;
|
|
EFI_DEVICE_PATH_PROTOCOL *NewPath;
|
|
EFI_DEVICE_PATH_PROTOCOL *NamePath;
|
|
CHAR16 *FileStringPath;
|
|
CHAR16 *TempSpot;
|
|
UINTN NewSize;
|
|
CONST CHAR16 *MapName;
|
|
|
|
Key.UnicodeChar = CHAR_NULL;
|
|
Key.ScanCode = 0;
|
|
FileHandle = NULL;
|
|
|
|
if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup && ShellInfoObject.ShellInitSettings.FileName != NULL) {
|
|
//
|
|
// launch something else instead
|
|
//
|
|
NewSize = StrSize(ShellInfoObject.ShellInitSettings.FileName);
|
|
if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {
|
|
NewSize += StrSize(ShellInfoObject.ShellInitSettings.FileOptions) + sizeof(CHAR16);
|
|
}
|
|
FileStringPath = AllocateZeroPool(NewSize);
|
|
if (FileStringPath == NULL) {
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
StrCpy(FileStringPath, ShellInfoObject.ShellInitSettings.FileName);
|
|
if (ShellInfoObject.ShellInitSettings.FileOptions != NULL) {
|
|
StrCat(FileStringPath, L" ");
|
|
StrCat(FileStringPath, ShellInfoObject.ShellInitSettings.FileOptions);
|
|
}
|
|
Status = RunCommand(FileStringPath);
|
|
FreePool(FileStringPath);
|
|
return (Status);
|
|
|
|
}
|
|
|
|
//
|
|
// for shell level 0 we do no scripts
|
|
// Without the Startup bit overriding we allow for nostartup to prevent scripts
|
|
//
|
|
if ( (PcdGet8(PcdShellSupportLevel) < 1)
|
|
|| (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup)
|
|
){
|
|
return (EFI_SUCCESS);
|
|
}
|
|
|
|
gST->ConOut->EnableCursor(gST->ConOut, FALSE);
|
|
//
|
|
// print out our warning and see if they press a key
|
|
//
|
|
for ( Status = EFI_UNSUPPORTED, Delay = ShellInfoObject.ShellInitSettings.Delay * 10
|
|
; Delay != 0 && EFI_ERROR(Status)
|
|
; Delay--
|
|
){
|
|
ShellPrintHiiEx(0, gST->ConOut->Mode->CursorRow, NULL, STRING_TOKEN (STR_SHELL_STARTUP_QUESTION), ShellInfoObject.HiiHandle, Delay/10);
|
|
gBS->Stall (100000);
|
|
if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
|
|
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
|
|
}
|
|
}
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CRLF), ShellInfoObject.HiiHandle);
|
|
gST->ConOut->EnableCursor(gST->ConOut, TRUE);
|
|
|
|
//
|
|
// ESC was pressed
|
|
//
|
|
if (Status == EFI_SUCCESS && Key.UnicodeChar == 0 && Key.ScanCode == SCAN_ESC) {
|
|
return (EFI_SUCCESS);
|
|
}
|
|
|
|
//
|
|
// Try the first location (must be file system)
|
|
//
|
|
MapName = ShellInfoObject.NewEfiShellProtocol->GetMapFromDevicePath(&ImagePath);
|
|
if (MapName != NULL) {
|
|
FileStringPath = NULL;
|
|
NewSize = 0;
|
|
FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, MapName, 0);
|
|
if (FileStringPath == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
} else {
|
|
TempSpot = StrStr(FileStringPath, L";");
|
|
if (TempSpot != NULL) {
|
|
*TempSpot = CHAR_NULL;
|
|
}
|
|
FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, ((FILEPATH_DEVICE_PATH*)FilePath)->PathName, 0);
|
|
PathRemoveLastItem(FileStringPath);
|
|
FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, mStartupScript, 0);
|
|
Status = ShellInfoObject.NewEfiShellProtocol->OpenFileByName(FileStringPath, &FileHandle, EFI_FILE_MODE_READ);
|
|
FreePool(FileStringPath);
|
|
}
|
|
}
|
|
if (EFI_ERROR(Status)) {
|
|
NamePath = FileDevicePath (NULL, mStartupScript);
|
|
NewPath = AppendDevicePathNode (ImagePath, NamePath);
|
|
FreePool(NamePath);
|
|
|
|
//
|
|
// Try the location
|
|
//
|
|
Status = InternalOpenFileDevicePath(NewPath, &FileHandle, EFI_FILE_MODE_READ, 0);
|
|
FreePool(NewPath);
|
|
}
|
|
//
|
|
// If we got a file, run it
|
|
//
|
|
if (!EFI_ERROR(Status) && FileHandle != NULL) {
|
|
Status = RunScriptFileHandle (FileHandle, mStartupScript);
|
|
ShellInfoObject.NewEfiShellProtocol->CloseFile(FileHandle);
|
|
} else {
|
|
FileStringPath = ShellFindFilePath(mStartupScript);
|
|
if (FileStringPath == NULL) {
|
|
//
|
|
// we return success since we dont need to have a startup script
|
|
//
|
|
Status = EFI_SUCCESS;
|
|
ASSERT(FileHandle == NULL);
|
|
} else {
|
|
Status = RunScriptFile(FileStringPath);
|
|
FreePool(FileStringPath);
|
|
}
|
|
}
|
|
|
|
|
|
return (Status);
|
|
}
|
|
|
|
/**
|
|
Function to perform the shell prompt looping. It will do a single prompt,
|
|
dispatch the result, and then return. It is expected that the caller will
|
|
call this function in a loop many times.
|
|
|
|
@retval EFI_SUCCESS
|
|
@retval RETURN_ABORTED
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DoShellPrompt (
|
|
VOID
|
|
)
|
|
{
|
|
UINTN Column;
|
|
UINTN Row;
|
|
CHAR16 *CmdLine;
|
|
CONST CHAR16 *CurDir;
|
|
UINTN BufferSize;
|
|
EFI_STATUS Status;
|
|
|
|
CurDir = NULL;
|
|
|
|
//
|
|
// Get screen setting to decide size of the command line buffer
|
|
//
|
|
gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Column, &Row);
|
|
BufferSize = Column * Row * sizeof (CHAR16);
|
|
CmdLine = AllocateZeroPool (BufferSize);
|
|
if (CmdLine == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");
|
|
|
|
//
|
|
// Prompt for input
|
|
//
|
|
gST->ConOut->SetCursorPosition (gST->ConOut, 0, gST->ConOut->Mode->CursorRow);
|
|
|
|
if (CurDir != NULL && StrLen(CurDir) > 1) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);
|
|
} else {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);
|
|
}
|
|
|
|
//
|
|
// Read a line from the console
|
|
//
|
|
Status = ShellInfoObject.NewEfiShellProtocol->ReadFile(ShellInfoObject.NewShellParametersProtocol->StdIn, &BufferSize, CmdLine);
|
|
|
|
//
|
|
// Null terminate the string and parse it
|
|
//
|
|
if (!EFI_ERROR (Status)) {
|
|
CmdLine[BufferSize / sizeof (CHAR16)] = CHAR_NULL;
|
|
Status = RunCommand(CmdLine);
|
|
}
|
|
|
|
//
|
|
// Done with this command
|
|
//
|
|
FreePool (CmdLine);
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Add a buffer to the Buffer To Free List for safely returning buffers to other
|
|
places without risking letting them modify internal shell information.
|
|
|
|
@param Buffer Something to pass to FreePool when the shell is exiting.
|
|
**/
|
|
VOID*
|
|
EFIAPI
|
|
AddBufferToFreeList(
|
|
VOID *Buffer
|
|
)
|
|
{
|
|
BUFFER_LIST *BufferListEntry;
|
|
|
|
if (Buffer == NULL) {
|
|
return (NULL);
|
|
}
|
|
|
|
BufferListEntry = AllocateZeroPool(sizeof(BUFFER_LIST));
|
|
ASSERT(BufferListEntry != NULL);
|
|
BufferListEntry->Buffer = Buffer;
|
|
InsertTailList(&ShellInfoObject.BufferToFreeList.Link, &BufferListEntry->Link);
|
|
return (Buffer);
|
|
}
|
|
|
|
/**
|
|
Add a buffer to the Line History List
|
|
|
|
@param Buffer The line buffer to add.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
AddLineToCommandHistory(
|
|
IN CONST CHAR16 *Buffer
|
|
)
|
|
{
|
|
BUFFER_LIST *Node;
|
|
|
|
Node = AllocateZeroPool(sizeof(BUFFER_LIST));
|
|
ASSERT(Node != NULL);
|
|
Node->Buffer = AllocateZeroPool(StrSize(Buffer));
|
|
ASSERT(Node->Buffer != NULL);
|
|
StrCpy(Node->Buffer, Buffer);
|
|
|
|
InsertTailList(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link);
|
|
}
|
|
|
|
/**
|
|
Checks if a string is an alias for another command. If yes, then it replaces the alias name
|
|
with the correct command name.
|
|
|
|
@param[in, out] CommandString Upon entry the potential alias. Upon return the
|
|
command name if it was an alias. If it was not
|
|
an alias it will be unchanged. This function may
|
|
change the buffer to fit the command name.
|
|
|
|
@retval EFI_SUCCESS The name was changed.
|
|
@retval EFI_SUCCESS The name was not an alias.
|
|
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ShellConvertAlias(
|
|
IN OUT CHAR16 **CommandString
|
|
)
|
|
{
|
|
CONST CHAR16 *NewString;
|
|
|
|
NewString = ShellInfoObject.NewEfiShellProtocol->GetAlias(*CommandString, NULL);
|
|
if (NewString == NULL) {
|
|
return (EFI_SUCCESS);
|
|
}
|
|
FreePool(*CommandString);
|
|
*CommandString = AllocateZeroPool(StrSize(NewString));
|
|
if (*CommandString == NULL) {
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
StrCpy(*CommandString, NewString);
|
|
return (EFI_SUCCESS);
|
|
}
|
|
|
|
/**
|
|
Function allocates a new command line and replaces all instances of environment
|
|
variable names that are correctly preset to their values.
|
|
|
|
If the return value is not NULL the memory must be caller freed.
|
|
|
|
@param[in] OriginalCommandLine The original command line
|
|
|
|
@retval NULL An error ocurred.
|
|
@return The new command line with no environment variables present.
|
|
**/
|
|
CHAR16*
|
|
EFIAPI
|
|
ShellConvertVariables (
|
|
IN CONST CHAR16 *OriginalCommandLine
|
|
)
|
|
{
|
|
CONST CHAR16 *MasterEnvList;
|
|
UINTN NewSize;
|
|
CHAR16 *NewCommandLine1;
|
|
CHAR16 *NewCommandLine2;
|
|
CHAR16 *Temp;
|
|
UINTN ItemSize;
|
|
CHAR16 *ItemTemp;
|
|
SCRIPT_FILE *CurrentScriptFile;
|
|
ALIAS_LIST *AliasListNode;
|
|
|
|
ASSERT(OriginalCommandLine != NULL);
|
|
|
|
ItemSize = 0;
|
|
NewSize = StrSize(OriginalCommandLine);
|
|
CurrentScriptFile = ShellCommandGetCurrentScriptFile();
|
|
Temp = NULL;
|
|
|
|
///@todo update this to handle the %0 - %9 for scripting only (borrow from line 1256 area) ? ? ?
|
|
|
|
//
|
|
// calculate the size required for the post-conversion string...
|
|
//
|
|
if (CurrentScriptFile != NULL) {
|
|
for (AliasListNode = (ALIAS_LIST*)GetFirstNode(&CurrentScriptFile->SubstList)
|
|
; !IsNull(&CurrentScriptFile->SubstList, &AliasListNode->Link)
|
|
; AliasListNode = (ALIAS_LIST*)GetNextNode(&CurrentScriptFile->SubstList, &AliasListNode->Link)
|
|
){
|
|
for (Temp = StrStr(OriginalCommandLine, AliasListNode->Alias)
|
|
; Temp != NULL
|
|
; Temp = StrStr(Temp+1, AliasListNode->Alias)
|
|
){
|
|
//
|
|
// we need a preceeding and if there is space no ^ preceeding (if no space ignore)
|
|
//
|
|
if ((((Temp-OriginalCommandLine)>2) && *(Temp-2) != L'^') || ((Temp-OriginalCommandLine)<=2)) {
|
|
NewSize += StrSize(AliasListNode->CommandString);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (MasterEnvList = EfiShellGetEnv(NULL)
|
|
; MasterEnvList != NULL && *MasterEnvList != CHAR_NULL //&& *(MasterEnvList+1) != CHAR_NULL
|
|
; MasterEnvList += StrLen(MasterEnvList) + 1
|
|
){
|
|
if (StrSize(MasterEnvList) > ItemSize) {
|
|
ItemSize = StrSize(MasterEnvList);
|
|
}
|
|
for (Temp = StrStr(OriginalCommandLine, MasterEnvList)
|
|
; Temp != NULL
|
|
; Temp = StrStr(Temp+1, MasterEnvList)
|
|
){
|
|
//
|
|
// we need a preceeding and following % and if there is space no ^ preceeding (if no space ignore)
|
|
//
|
|
if (*(Temp-1) == L'%' && *(Temp+StrLen(MasterEnvList)) == L'%' &&
|
|
((((Temp-OriginalCommandLine)>2) && *(Temp-2) != L'^') || ((Temp-OriginalCommandLine)<=2))) {
|
|
NewSize+=StrSize(EfiShellGetEnv(MasterEnvList));
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Quick out if none were found...
|
|
//
|
|
if (NewSize == StrSize(OriginalCommandLine)) {
|
|
ASSERT(Temp == NULL);
|
|
Temp = StrnCatGrow(&Temp, NULL, OriginalCommandLine, 0);
|
|
return (Temp);
|
|
}
|
|
|
|
//
|
|
// now do the replacements...
|
|
//
|
|
NewCommandLine1 = AllocateZeroPool(NewSize);
|
|
NewCommandLine2 = AllocateZeroPool(NewSize);
|
|
ItemTemp = AllocateZeroPool(ItemSize+(2*sizeof(CHAR16)));
|
|
if (NewCommandLine1 == NULL || NewCommandLine2 == NULL || ItemTemp == NULL) {
|
|
SHELL_FREE_NON_NULL(NewCommandLine1);
|
|
SHELL_FREE_NON_NULL(NewCommandLine2);
|
|
SHELL_FREE_NON_NULL(ItemTemp);
|
|
return (NULL);
|
|
}
|
|
StrCpy(NewCommandLine1, OriginalCommandLine);
|
|
for (MasterEnvList = EfiShellGetEnv(NULL)
|
|
; MasterEnvList != NULL && *MasterEnvList != CHAR_NULL //&& *(MasterEnvList+1) != CHAR_NULL
|
|
; MasterEnvList += StrLen(MasterEnvList) + 1
|
|
){
|
|
StrCpy(ItemTemp, L"%");
|
|
StrCat(ItemTemp, MasterEnvList);
|
|
StrCat(ItemTemp, L"%");
|
|
ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, ItemTemp, EfiShellGetEnv(MasterEnvList), TRUE, FALSE);
|
|
StrCpy(NewCommandLine1, NewCommandLine2);
|
|
}
|
|
if (CurrentScriptFile != NULL) {
|
|
for (AliasListNode = (ALIAS_LIST*)GetFirstNode(&CurrentScriptFile->SubstList)
|
|
; !IsNull(&CurrentScriptFile->SubstList, &AliasListNode->Link)
|
|
; AliasListNode = (ALIAS_LIST*)GetNextNode(&CurrentScriptFile->SubstList, &AliasListNode->Link)
|
|
){
|
|
ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, AliasListNode->Alias, AliasListNode->CommandString, TRUE, FALSE);
|
|
StrCpy(NewCommandLine1, NewCommandLine2);
|
|
}
|
|
}
|
|
|
|
FreePool(NewCommandLine2);
|
|
FreePool(ItemTemp);
|
|
|
|
return (NewCommandLine1);
|
|
}
|
|
|
|
/**
|
|
Internal function to run a command line with pipe usage.
|
|
|
|
@param[in] CmdLine The pointer to the command line.
|
|
@param[in] StdIn The pointer to the Standard input.
|
|
@param[in] StdOut The pointer to the Standard output.
|
|
|
|
@retval EFI_SUCCESS The split command is executed successfully.
|
|
@retval other Some error occurs when executing the split command.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RunSplitCommand(
|
|
IN CONST CHAR16 *CmdLine,
|
|
IN SHELL_FILE_HANDLE *StdIn,
|
|
IN SHELL_FILE_HANDLE *StdOut
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
CHAR16 *NextCommandLine;
|
|
CHAR16 *OurCommandLine;
|
|
UINTN Size1;
|
|
UINTN Size2;
|
|
SPLIT_LIST *Split;
|
|
SHELL_FILE_HANDLE *TempFileHandle;
|
|
BOOLEAN Unicode;
|
|
|
|
ASSERT(StdOut == NULL);
|
|
|
|
ASSERT(StrStr(CmdLine, L"|") != NULL);
|
|
|
|
Status = EFI_SUCCESS;
|
|
NextCommandLine = NULL;
|
|
OurCommandLine = NULL;
|
|
Size1 = 0;
|
|
Size2 = 0;
|
|
|
|
NextCommandLine = StrnCatGrow(&NextCommandLine, &Size1, StrStr(CmdLine, L"|")+1, 0);
|
|
OurCommandLine = StrnCatGrow(&OurCommandLine , &Size2, CmdLine , StrStr(CmdLine, L"|") - CmdLine);
|
|
|
|
if (NextCommandLine == NULL || OurCommandLine == NULL) {
|
|
SHELL_FREE_NON_NULL(OurCommandLine);
|
|
SHELL_FREE_NON_NULL(NextCommandLine);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
} else if (StrStr(OurCommandLine, L"|") != NULL || Size1 == 0 || Size2 == 0) {
|
|
SHELL_FREE_NON_NULL(OurCommandLine);
|
|
SHELL_FREE_NON_NULL(NextCommandLine);
|
|
return (EFI_INVALID_PARAMETER);
|
|
} else if (NextCommandLine[0] != CHAR_NULL &&
|
|
NextCommandLine[0] == L'a' &&
|
|
NextCommandLine[1] == L' '
|
|
){
|
|
CopyMem(NextCommandLine, NextCommandLine+1, StrSize(NextCommandLine) - sizeof(NextCommandLine[0]));
|
|
Unicode = FALSE;
|
|
} else {
|
|
Unicode = TRUE;
|
|
}
|
|
|
|
|
|
//
|
|
// make a SPLIT_LIST item and add to list
|
|
//
|
|
Split = AllocateZeroPool(sizeof(SPLIT_LIST));
|
|
ASSERT(Split != NULL);
|
|
Split->SplitStdIn = StdIn;
|
|
Split->SplitStdOut = ConvertEfiFileProtocolToShellHandle(CreateFileInterfaceMem(Unicode), NULL);
|
|
ASSERT(Split->SplitStdOut != NULL);
|
|
InsertHeadList(&ShellInfoObject.SplitList.Link, &Split->Link);
|
|
|
|
Status = RunCommand(OurCommandLine);
|
|
|
|
//
|
|
// move the output from the first to the in to the second.
|
|
//
|
|
TempFileHandle = Split->SplitStdOut;
|
|
if (Split->SplitStdIn == StdIn) {
|
|
Split->SplitStdOut = NULL;
|
|
} else {
|
|
Split->SplitStdOut = Split->SplitStdIn;
|
|
}
|
|
Split->SplitStdIn = TempFileHandle;
|
|
ShellInfoObject.NewEfiShellProtocol->SetFilePosition(ConvertShellHandleToEfiFileProtocol(Split->SplitStdIn), 0);
|
|
|
|
if (!EFI_ERROR(Status)) {
|
|
Status = RunCommand(NextCommandLine);
|
|
}
|
|
|
|
//
|
|
// remove the top level from the ScriptList
|
|
//
|
|
ASSERT((SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link) == Split);
|
|
RemoveEntryList(&Split->Link);
|
|
|
|
//
|
|
// Note that the original StdIn is now the StdOut...
|
|
//
|
|
if (Split->SplitStdOut != NULL && Split->SplitStdOut != StdIn) {
|
|
ShellInfoObject.NewEfiShellProtocol->CloseFile(ConvertShellHandleToEfiFileProtocol(Split->SplitStdOut));
|
|
}
|
|
if (Split->SplitStdIn != NULL) {
|
|
ShellInfoObject.NewEfiShellProtocol->CloseFile(ConvertShellHandleToEfiFileProtocol(Split->SplitStdIn));
|
|
}
|
|
|
|
FreePool(Split);
|
|
FreePool(NextCommandLine);
|
|
FreePool(OurCommandLine);
|
|
|
|
return (Status);
|
|
}
|
|
|
|
/**
|
|
Function will process and run a command line.
|
|
|
|
This will determine if the command line represents an internal shell
|
|
command or dispatch an external application.
|
|
|
|
@param[in] CmdLine The command line to parse.
|
|
|
|
@retval EFI_SUCCESS The command was completed.
|
|
@retval EFI_ABORTED The command's operation was aborted.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RunCommand(
|
|
IN CONST CHAR16 *CmdLine
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_STATUS StatusCode;
|
|
CHAR16 *CommandName;
|
|
SHELL_STATUS ShellStatus;
|
|
UINTN Argc;
|
|
CHAR16 **Argv;
|
|
BOOLEAN LastError;
|
|
CHAR16 LeString[11];
|
|
CHAR16 *PostAliasCmdLine;
|
|
UINTN PostAliasSize;
|
|
CHAR16 *PostVariableCmdLine;
|
|
CHAR16 *CommandWithPath;
|
|
CONST EFI_DEVICE_PATH_PROTOCOL *DevPath;
|
|
CONST CHAR16 *TempLocation;
|
|
CONST CHAR16 *TempLocation2;
|
|
SHELL_FILE_HANDLE OriginalStdIn;
|
|
SHELL_FILE_HANDLE OriginalStdOut;
|
|
SHELL_FILE_HANDLE OriginalStdErr;
|
|
SYSTEM_TABLE_INFO OriginalSystemTableInfo;
|
|
CHAR16 *TempLocation3;
|
|
UINTN Count;
|
|
UINTN Count2;
|
|
CHAR16 *CleanOriginal;
|
|
SPLIT_LIST *Split;
|
|
|
|
ASSERT(CmdLine != NULL);
|
|
if (StrLen(CmdLine) == 0) {
|
|
return (EFI_SUCCESS);
|
|
}
|
|
|
|
CommandName = NULL;
|
|
PostVariableCmdLine = NULL;
|
|
PostAliasCmdLine = NULL;
|
|
CommandWithPath = NULL;
|
|
DevPath = NULL;
|
|
Status = EFI_SUCCESS;
|
|
CleanOriginal = NULL;
|
|
Split = NULL;
|
|
|
|
CleanOriginal = StrnCatGrow(&CleanOriginal, NULL, CmdLine, 0);
|
|
if (CleanOriginal == NULL) {
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
while (CleanOriginal[StrLen(CleanOriginal)-1] == L' ') {
|
|
CleanOriginal[StrLen(CleanOriginal)-1] = CHAR_NULL;
|
|
}
|
|
while (CleanOriginal[0] == L' ') {
|
|
CopyMem(CleanOriginal, CleanOriginal+1, StrSize(CleanOriginal) - sizeof(CleanOriginal[0]));
|
|
}
|
|
|
|
CommandName = NULL;
|
|
if (StrStr(CleanOriginal, L" ") == NULL){
|
|
StrnCatGrow(&CommandName, NULL, CleanOriginal, 0);
|
|
} else {
|
|
StrnCatGrow(&CommandName, NULL, CleanOriginal, StrStr(CleanOriginal, L" ") - CleanOriginal);
|
|
}
|
|
|
|
ASSERT(PostAliasCmdLine == NULL);
|
|
if (!ShellCommandIsCommandOnList(CommandName)) {
|
|
//
|
|
// Convert via alias
|
|
//
|
|
Status = ShellConvertAlias(&CommandName);
|
|
PostAliasSize = 0;
|
|
PostAliasCmdLine = StrnCatGrow(&PostAliasCmdLine, &PostAliasSize, CommandName, 0);
|
|
PostAliasCmdLine = StrnCatGrow(&PostAliasCmdLine, &PostAliasSize, StrStr(CleanOriginal, L" "), 0);
|
|
ASSERT_EFI_ERROR(Status);
|
|
} else {
|
|
PostAliasCmdLine = StrnCatGrow(&PostAliasCmdLine, NULL, CleanOriginal, 0);
|
|
}
|
|
|
|
if (CleanOriginal != NULL) {
|
|
FreePool(CleanOriginal);
|
|
CleanOriginal = NULL;
|
|
}
|
|
|
|
if (CommandName != NULL) {
|
|
FreePool(CommandName);
|
|
CommandName = NULL;
|
|
}
|
|
|
|
PostVariableCmdLine = ShellConvertVariables(PostAliasCmdLine);
|
|
|
|
//
|
|
// we can now free the modified by alias command line
|
|
//
|
|
if (PostAliasCmdLine != NULL) {
|
|
FreePool(PostAliasCmdLine);
|
|
PostAliasCmdLine = NULL;
|
|
}
|
|
|
|
if (PostVariableCmdLine == NULL) {
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
|
|
while (PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] == L' ') {
|
|
PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] = CHAR_NULL;
|
|
}
|
|
while (PostVariableCmdLine[0] == L' ') {
|
|
CopyMem(PostVariableCmdLine, PostVariableCmdLine+1, StrSize(PostVariableCmdLine) - sizeof(PostVariableCmdLine[0]));
|
|
}
|
|
|
|
//
|
|
// We dont do normal processing with a split command line (output from one command input to another)
|
|
//
|
|
TempLocation3 = NULL;
|
|
if (StrStr(PostVariableCmdLine, L"|") != NULL) {
|
|
for (TempLocation3 = PostVariableCmdLine ; TempLocation3 != NULL && *TempLocation3 != CHAR_NULL ; TempLocation3++) {
|
|
if (*TempLocation3 == L'^' && *(TempLocation3+1) == L'|') {
|
|
TempLocation3++;
|
|
} else if (*TempLocation3 == L'|') {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (TempLocation3 != NULL && *TempLocation3 != CHAR_NULL) {
|
|
//
|
|
// are we in an existing split???
|
|
//
|
|
if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {
|
|
Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);
|
|
}
|
|
|
|
if (Split == NULL) {
|
|
Status = RunSplitCommand(PostVariableCmdLine, NULL, NULL);
|
|
} else {
|
|
Status = RunSplitCommand(PostVariableCmdLine, Split->SplitStdIn, Split->SplitStdOut);
|
|
}
|
|
if (EFI_ERROR(Status)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_SPLIT), ShellInfoObject.HiiHandle, PostVariableCmdLine);
|
|
}
|
|
} else {
|
|
|
|
//
|
|
// If this is a mapped drive change handle that...
|
|
//
|
|
if (PostVariableCmdLine[(StrLen(PostVariableCmdLine)-1)] == L':' && StrStr(PostVariableCmdLine, L" ") == NULL) {
|
|
Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, PostVariableCmdLine);
|
|
if (EFI_ERROR(Status)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, PostVariableCmdLine);
|
|
}
|
|
FreePool(PostVariableCmdLine);
|
|
return (Status);
|
|
}
|
|
|
|
///@todo update this section to divide into 3 ways - run internal command, run split (above), and run an external file...
|
|
/// We waste a lot of time doing processing like StdIn,StdOut,Argv,Argc for things that are external files...
|
|
|
|
|
|
|
|
Status = UpdateStdInStdOutStdErr(ShellInfoObject.NewShellParametersProtocol, PostVariableCmdLine, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);
|
|
if (EFI_ERROR(Status)) {
|
|
if (Status == EFI_NOT_FOUND) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_REDUNDA_REDIR), ShellInfoObject.HiiHandle);
|
|
} else {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_REDIR), ShellInfoObject.HiiHandle);
|
|
}
|
|
} else {
|
|
while (PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] == L' ') {
|
|
PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] = CHAR_NULL;
|
|
}
|
|
while (PostVariableCmdLine[0] == L' ') {
|
|
CopyMem(PostVariableCmdLine, PostVariableCmdLine+1, StrSize(PostVariableCmdLine) - sizeof(PostVariableCmdLine[0]));
|
|
}
|
|
|
|
//
|
|
// get the argc and argv updated for internal commands
|
|
//
|
|
Status = UpdateArgcArgv(ShellInfoObject.NewShellParametersProtocol, PostVariableCmdLine, &Argv, &Argc);
|
|
ASSERT_EFI_ERROR(Status);
|
|
|
|
for (Count = 0 ; Count < ShellInfoObject.NewShellParametersProtocol->Argc ; Count++) {
|
|
if (StrStr(ShellInfoObject.NewShellParametersProtocol->Argv[Count], L"-?") == ShellInfoObject.NewShellParametersProtocol->Argv[Count]
|
|
|| (ShellInfoObject.NewShellParametersProtocol->Argv[0][0] == L'?' && ShellInfoObject.NewShellParametersProtocol->Argv[0][1] == CHAR_NULL)
|
|
) {
|
|
//
|
|
// We need to redo the arguments since a parameter was -?
|
|
// move them all down 1 to the end, then up one then replace the first with help
|
|
//
|
|
FreePool(ShellInfoObject.NewShellParametersProtocol->Argv[Count]);
|
|
ShellInfoObject.NewShellParametersProtocol->Argv[Count] = NULL;
|
|
for (Count2 = Count ; (Count2 + 1) < ShellInfoObject.NewShellParametersProtocol->Argc ; Count2++) {
|
|
ShellInfoObject.NewShellParametersProtocol->Argv[Count2] = ShellInfoObject.NewShellParametersProtocol->Argv[Count2+1];
|
|
}
|
|
ShellInfoObject.NewShellParametersProtocol->Argv[Count2] = NULL;
|
|
for (Count2 = ShellInfoObject.NewShellParametersProtocol->Argc -1 ; Count2 > 0 ; Count2--) {
|
|
ShellInfoObject.NewShellParametersProtocol->Argv[Count2] = ShellInfoObject.NewShellParametersProtocol->Argv[Count2-1];
|
|
}
|
|
ShellInfoObject.NewShellParametersProtocol->Argv[0] = NULL;
|
|
ShellInfoObject.NewShellParametersProtocol->Argv[0] = StrnCatGrow(&ShellInfoObject.NewShellParametersProtocol->Argv[0], NULL, L"help", 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
//
|
|
// command or file?
|
|
//
|
|
if (ShellCommandIsCommandOnList(ShellInfoObject.NewShellParametersProtocol->Argv[0])) {
|
|
//
|
|
// Run the command (which was converted if it was an alias)
|
|
//
|
|
if (!EFI_ERROR(Status)) {
|
|
Status = ShellCommandRunCommandHandler(ShellInfoObject.NewShellParametersProtocol->Argv[0], &ShellStatus, &LastError);
|
|
ASSERT_EFI_ERROR(Status);
|
|
UnicodeSPrint(LeString, sizeof(LeString)*sizeof(LeString[0]), L"0x%08x", ShellStatus);
|
|
DEBUG_CODE(InternalEfiShellSetEnv(L"DebugLasterror", LeString, TRUE););
|
|
if (LastError) {
|
|
InternalEfiShellSetEnv(L"Lasterror", LeString, TRUE);
|
|
}
|
|
//
|
|
// Pass thru the exitcode from the app.
|
|
//
|
|
if (ShellCommandGetExit()) {
|
|
Status = ShellStatus;
|
|
} else if (ShellStatus != 0 && IsScriptOnlyCommand(ShellInfoObject.NewShellParametersProtocol->Argv[0])) {
|
|
Status = EFI_ABORTED;
|
|
}
|
|
}
|
|
} else {
|
|
//
|
|
// run an external file (or script)
|
|
//
|
|
if (StrStr(ShellInfoObject.NewShellParametersProtocol->Argv[0], L":") != NULL) {
|
|
ASSERT (CommandWithPath == NULL);
|
|
if (ShellIsFile(ShellInfoObject.NewShellParametersProtocol->Argv[0]) == EFI_SUCCESS) {
|
|
CommandWithPath = StrnCatGrow(&CommandWithPath, NULL, ShellInfoObject.NewShellParametersProtocol->Argv[0], 0);
|
|
}
|
|
}
|
|
if (CommandWithPath == NULL) {
|
|
CommandWithPath = ShellFindFilePathEx(ShellInfoObject.NewShellParametersProtocol->Argv[0], mExecutableExtensions);
|
|
}
|
|
if (CommandWithPath == NULL || ShellIsDirectory(CommandWithPath) == EFI_SUCCESS) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, ShellInfoObject.NewShellParametersProtocol->Argv[0]);
|
|
} else {
|
|
//
|
|
// Check if it's a NSH (script) file.
|
|
//
|
|
TempLocation = CommandWithPath+StrLen(CommandWithPath)-4;
|
|
TempLocation2 = mScriptExtension;
|
|
if ((StrLen(CommandWithPath) > 4) && (StringNoCaseCompare((VOID*)(&TempLocation), (VOID*)(&TempLocation2)) == 0)) {
|
|
Status = RunScriptFile (CommandWithPath);
|
|
} else {
|
|
DevPath = ShellInfoObject.NewEfiShellProtocol->GetDevicePathFromFilePath(CommandWithPath);
|
|
ASSERT(DevPath != NULL);
|
|
Status = InternalShellExecuteDevicePath(
|
|
&gImageHandle,
|
|
DevPath,
|
|
PostVariableCmdLine,
|
|
NULL,
|
|
&StatusCode
|
|
);
|
|
|
|
//
|
|
// Updatet last error status.
|
|
//
|
|
UnicodeSPrint(LeString, sizeof(LeString)*sizeof(LeString[0]), L"0x%08x", StatusCode);
|
|
DEBUG_CODE(InternalEfiShellSetEnv(L"DebugLasterror", LeString, TRUE););
|
|
InternalEfiShellSetEnv(L"Lasterror", LeString, TRUE);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Print some error info.
|
|
//
|
|
if (EFI_ERROR(Status)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_ERROR), ShellInfoObject.HiiHandle, (VOID*)(Status));
|
|
}
|
|
|
|
CommandName = StrnCatGrow(&CommandName, NULL, ShellInfoObject.NewShellParametersProtocol->Argv[0], 0);
|
|
|
|
RestoreArgcArgv(ShellInfoObject.NewShellParametersProtocol, &Argv, &Argc);
|
|
|
|
RestoreStdInStdOutStdErr(ShellInfoObject.NewShellParametersProtocol, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);
|
|
}
|
|
if (CommandName != NULL) {
|
|
if (ShellCommandGetCurrentScriptFile() != NULL && !IsScriptOnlyCommand(CommandName)) {
|
|
//
|
|
// if this is NOT a scipt only command return success so the script won't quit.
|
|
// prevent killing the script - this is the only place where we know the actual command name (after alias and variable replacement...)
|
|
//
|
|
Status = EFI_SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
|
|
SHELL_FREE_NON_NULL(CommandName);
|
|
SHELL_FREE_NON_NULL(CommandWithPath);
|
|
SHELL_FREE_NON_NULL(PostVariableCmdLine);
|
|
|
|
return (Status);
|
|
}
|
|
|
|
STATIC CONST UINT16 InvalidChars[] = {L'*', L'?', L'<', L'>', L'\\', L'/', L'\"', 0x0001, 0x0002};
|
|
/**
|
|
Function determins if the CommandName COULD be a valid command. It does not determine whether
|
|
this is a valid command. It only checks for invalid characters.
|
|
|
|
@param[in] CommandName The name to check
|
|
|
|
@retval TRUE CommandName could be a command name
|
|
@retval FALSE CommandName could not be a valid command name
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
IsValidCommandName(
|
|
IN CONST CHAR16 *CommandName
|
|
)
|
|
{
|
|
UINTN Count;
|
|
if (CommandName == NULL) {
|
|
ASSERT(FALSE);
|
|
return (FALSE);
|
|
}
|
|
for ( Count = 0
|
|
; Count < sizeof(InvalidChars) / sizeof(InvalidChars[0])
|
|
; Count++
|
|
){
|
|
if (ScanMem16(CommandName, StrSize(CommandName), InvalidChars[Count]) != NULL) {
|
|
return (FALSE);
|
|
}
|
|
}
|
|
return (TRUE);
|
|
}
|
|
|
|
/**
|
|
Function to process a NSH script file via SHELL_FILE_HANDLE.
|
|
|
|
@param[in] Handle The handle to the already opened file.
|
|
@param[in] Name The name of the script file.
|
|
|
|
@retval EFI_SUCCESS the script completed sucessfully
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RunScriptFileHandle (
|
|
IN SHELL_FILE_HANDLE Handle,
|
|
IN CONST CHAR16 *Name
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SCRIPT_FILE *NewScriptFile;
|
|
UINTN LoopVar;
|
|
CHAR16 *CommandLine;
|
|
CHAR16 *CommandLine2;
|
|
CHAR16 *CommandLine3;
|
|
SCRIPT_COMMAND_LIST *LastCommand;
|
|
BOOLEAN Ascii;
|
|
BOOLEAN PreScriptEchoState;
|
|
BOOLEAN PreCommandEchoState;
|
|
CONST CHAR16 *CurDir;
|
|
UINTN LineCount;
|
|
CHAR16 LeString[50];
|
|
|
|
ASSERT(!ShellCommandGetScriptExit());
|
|
|
|
PreScriptEchoState = ShellCommandGetEchoState();
|
|
|
|
NewScriptFile = (SCRIPT_FILE*)AllocateZeroPool(sizeof(SCRIPT_FILE));
|
|
if (NewScriptFile == NULL) {
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
|
|
//
|
|
// Set up the name
|
|
//
|
|
ASSERT(NewScriptFile->ScriptName == NULL);
|
|
NewScriptFile->ScriptName = StrnCatGrow(&NewScriptFile->ScriptName, NULL, Name, 0);
|
|
if (NewScriptFile->ScriptName == NULL) {
|
|
DeleteScriptFileStruct(NewScriptFile);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
|
|
//
|
|
// Save the parameters (used to replace %0 to %9 later on)
|
|
//
|
|
NewScriptFile->Argc = ShellInfoObject.NewShellParametersProtocol->Argc;
|
|
if (NewScriptFile->Argc != 0) {
|
|
NewScriptFile->Argv = (CHAR16**)AllocateZeroPool(NewScriptFile->Argc * sizeof(CHAR16*));
|
|
if (NewScriptFile->Argv == NULL) {
|
|
DeleteScriptFileStruct(NewScriptFile);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
for (LoopVar = 0 ; LoopVar < 10 && LoopVar < NewScriptFile->Argc; LoopVar++) {
|
|
ASSERT(NewScriptFile->Argv[LoopVar] == NULL);
|
|
NewScriptFile->Argv[LoopVar] = StrnCatGrow(&NewScriptFile->Argv[LoopVar], NULL, ShellInfoObject.NewShellParametersProtocol->Argv[LoopVar], 0);
|
|
if (NewScriptFile->Argv[LoopVar] == NULL) {
|
|
DeleteScriptFileStruct(NewScriptFile);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
}
|
|
} else {
|
|
NewScriptFile->Argv = NULL;
|
|
}
|
|
|
|
InitializeListHead(&NewScriptFile->CommandList);
|
|
InitializeListHead(&NewScriptFile->SubstList);
|
|
|
|
//
|
|
// Now build the list of all script commands.
|
|
//
|
|
LineCount = 0;
|
|
while(!ShellFileHandleEof(Handle)) {
|
|
CommandLine = ShellFileHandleReturnLine(Handle, &Ascii);
|
|
LineCount++;
|
|
if (CommandLine == NULL || StrLen(CommandLine) == 0) {
|
|
continue;
|
|
}
|
|
NewScriptFile->CurrentCommand = AllocateZeroPool(sizeof(SCRIPT_COMMAND_LIST));
|
|
if (NewScriptFile->CurrentCommand == NULL) {
|
|
DeleteScriptFileStruct(NewScriptFile);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
|
|
NewScriptFile->CurrentCommand->Cl = CommandLine;
|
|
NewScriptFile->CurrentCommand->Data = NULL;
|
|
NewScriptFile->CurrentCommand->Line = LineCount;
|
|
|
|
InsertTailList(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);
|
|
}
|
|
|
|
//
|
|
// Add this as the topmost script file
|
|
//
|
|
ShellCommandSetNewScript (NewScriptFile);
|
|
|
|
//
|
|
// Now enumerate through the commands and run each one.
|
|
//
|
|
CommandLine = AllocateZeroPool(PcdGet16(PcdShellPrintBufferSize));
|
|
if (CommandLine == NULL) {
|
|
DeleteScriptFileStruct(NewScriptFile);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
CommandLine2 = AllocateZeroPool(PcdGet16(PcdShellPrintBufferSize));
|
|
if (CommandLine2 == NULL) {
|
|
FreePool(CommandLine);
|
|
DeleteScriptFileStruct(NewScriptFile);
|
|
return (EFI_OUT_OF_RESOURCES);
|
|
}
|
|
|
|
for ( NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetFirstNode(&NewScriptFile->CommandList)
|
|
; !IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)
|
|
; // conditional increment in the body of the loop
|
|
){
|
|
ASSERT(CommandLine2 != NULL);
|
|
StrCpy(CommandLine2, NewScriptFile->CurrentCommand->Cl);
|
|
|
|
//
|
|
// NULL out comments
|
|
//
|
|
for (CommandLine3 = CommandLine2 ; CommandLine3 != NULL && *CommandLine3 != CHAR_NULL ; CommandLine3++) {
|
|
if (*CommandLine3 == L'^') {
|
|
if (*(CommandLine3+1) == L'#' || *(CommandLine3+1) == L':') {
|
|
CopyMem(CommandLine3, CommandLine3+1, StrSize(CommandLine3) - sizeof(CommandLine3[0]));
|
|
}
|
|
} else if (*CommandLine3 == L'#') {
|
|
*CommandLine3 = CHAR_NULL;
|
|
}
|
|
}
|
|
|
|
if (CommandLine2 != NULL && StrLen(CommandLine2) >= 1) {
|
|
//
|
|
// Due to variability in starting the find and replace action we need to have both buffers the same.
|
|
//
|
|
StrCpy(CommandLine, CommandLine2);
|
|
|
|
//
|
|
// Remove the %0 to %9 from the command line (if we have some arguments)
|
|
//
|
|
if (NewScriptFile->Argv != NULL) {
|
|
switch (NewScriptFile->Argc) {
|
|
default:
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%9", NewScriptFile->Argv[9], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 9:
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%8", NewScriptFile->Argv[8], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 8:
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%7", NewScriptFile->Argv[7], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 7:
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%6", NewScriptFile->Argv[6], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 6:
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%5", NewScriptFile->Argv[5], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 5:
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%4", NewScriptFile->Argv[4], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 4:
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%3", NewScriptFile->Argv[3], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 3:
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%2", NewScriptFile->Argv[2], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 2:
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%1", NewScriptFile->Argv[1], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
case 1:
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%0", NewScriptFile->Argv[0], FALSE, TRUE);
|
|
ASSERT_EFI_ERROR(Status);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%1", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%2", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%3", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%4", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%5", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%6", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%7", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine, CommandLine2, PcdGet16 (PcdShellPrintBufferSize), L"%8", L"\"\"", FALSE, FALSE);
|
|
Status = ShellCopySearchAndReplace(CommandLine2, CommandLine, PcdGet16 (PcdShellPrintBufferSize), L"%9", L"\"\"", FALSE, FALSE);
|
|
|
|
StrCpy(CommandLine2, CommandLine);
|
|
|
|
LastCommand = NewScriptFile->CurrentCommand;
|
|
|
|
for (CommandLine3 = CommandLine2 ; CommandLine3[0] == L' ' ; CommandLine3++);
|
|
|
|
if (CommandLine3 != NULL && CommandLine3[0] == L':' ) {
|
|
//
|
|
// This line is a goto target / label
|
|
//
|
|
} else {
|
|
if (CommandLine3 != NULL && StrLen(CommandLine3) > 0) {
|
|
if (CommandLine3[0] == L'@') {
|
|
//
|
|
// We need to save the current echo state
|
|
// and disable echo for just this command.
|
|
//
|
|
PreCommandEchoState = ShellCommandGetEchoState();
|
|
ShellCommandSetEchoState(FALSE);
|
|
Status = RunCommand(CommandLine3+1);
|
|
|
|
//
|
|
// Now restore the pre-'@' echo state.
|
|
//
|
|
ShellCommandSetEchoState(PreCommandEchoState);
|
|
} else {
|
|
if (ShellCommandGetEchoState()) {
|
|
CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");
|
|
if (CurDir != NULL && StrLen(CurDir) > 1) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);
|
|
} else {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);
|
|
}
|
|
ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);
|
|
}
|
|
Status = RunCommand(CommandLine3);
|
|
}
|
|
}
|
|
|
|
if (ShellCommandGetScriptExit()) {
|
|
UnicodeSPrint(LeString, sizeof(LeString)*sizeof(LeString[0]), L"0x%Lx", ShellCommandGetExitCode());
|
|
DEBUG_CODE(InternalEfiShellSetEnv(L"DebugLasterror", LeString, TRUE););
|
|
InternalEfiShellSetEnv(L"Lasterror", LeString, TRUE);
|
|
|
|
ShellCommandRegisterExit(FALSE, 0);
|
|
Status = EFI_SUCCESS;
|
|
break;
|
|
}
|
|
if (ShellGetExecutionBreakFlag()) {
|
|
break;
|
|
}
|
|
if (EFI_ERROR(Status)) {
|
|
break;
|
|
}
|
|
if (ShellCommandGetExit()) {
|
|
break;
|
|
}
|
|
}
|
|
//
|
|
// If that commend did not update the CurrentCommand then we need to advance it...
|
|
//
|
|
if (LastCommand == NewScriptFile->CurrentCommand) {
|
|
NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);
|
|
if (!IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)) {
|
|
NewScriptFile->CurrentCommand->Reset = TRUE;
|
|
}
|
|
}
|
|
} else {
|
|
NewScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link);
|
|
if (!IsNull(&NewScriptFile->CommandList, &NewScriptFile->CurrentCommand->Link)) {
|
|
NewScriptFile->CurrentCommand->Reset = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
FreePool(CommandLine);
|
|
FreePool(CommandLine2);
|
|
ShellCommandSetNewScript (NULL);
|
|
|
|
//
|
|
// Only if this was the last script reset the state.
|
|
//
|
|
if (ShellCommandGetCurrentScriptFile()==NULL) {
|
|
ShellCommandSetEchoState(PreScriptEchoState);
|
|
}
|
|
return (EFI_SUCCESS);
|
|
}
|
|
|
|
/**
|
|
Function to process a NSH script file.
|
|
|
|
@param[in] ScriptPath Pointer to the script file name (including file system path).
|
|
|
|
@retval EFI_SUCCESS the script completed sucessfully
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RunScriptFile (
|
|
IN CONST CHAR16 *ScriptPath
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SHELL_FILE_HANDLE FileHandle;
|
|
|
|
if (ShellIsFile(ScriptPath) != EFI_SUCCESS) {
|
|
return (EFI_INVALID_PARAMETER);
|
|
}
|
|
|
|
Status = ShellOpenFileByName(ScriptPath, &FileHandle, EFI_FILE_MODE_READ, 0);
|
|
if (EFI_ERROR(Status)) {
|
|
return (Status);
|
|
}
|
|
|
|
Status = RunScriptFileHandle(FileHandle, ScriptPath);
|
|
|
|
ShellCloseFile(&FileHandle);
|
|
|
|
return (Status);
|
|
}
|