diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.c | 852 |
1 files changed, 426 insertions, 426 deletions
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.c index a1a055928f..741845b84f 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.c @@ -1,426 +1,426 @@ -/** @file
- Main file for NULL named library for debug1 profile shell command functions.
-
- Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "UefiShellDebug1CommandsLib.h"
-#include <Library/BcfgCommandLib.h>
-
-STATIC CONST CHAR16 mFileName[] = L"Debug1Commands";
-EFI_HII_HANDLE gShellDebug1HiiHandle = NULL;
-
-/**
- Gets the debug file name. This will be used if HII is not working.
-
- @retval NULL No file is available.
- @return The NULL-terminated filename to get help from.
-**/
-CONST CHAR16 *
-EFIAPI
-ShellCommandGetManFileNameDebug1 (
- VOID
- )
-{
- return (mFileName);
-}
-
-/**
- Constructor for the Shell Debug1 Commands library.
-
- @param ImageHandle the image handle of the process
- @param SystemTable the EFI System Table pointer
-
- @retval EFI_SUCCESS the shell command handlers were installed successfully
- @retval EFI_UNSUPPORTED the shell level required was not found.
-**/
-EFI_STATUS
-EFIAPI
-UefiShellDebug1CommandsLibConstructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- //
- // check our bit of the profiles mask
- //
- if ((PcdGet8 (PcdShellProfileMask) & BIT1) == 0) {
- return (EFI_SUCCESS);
- }
-
- //
- // install the HII stuff.
- //
- gShellDebug1HiiHandle = HiiAddPackages (&gShellDebug1HiiGuid, gImageHandle, UefiShellDebug1CommandsLibStrings, NULL);
- if (gShellDebug1HiiHandle == NULL) {
- return (EFI_DEVICE_ERROR);
- }
-
- //
- // install our shell command handlers that are always installed
- //
- ShellCommandRegisterCommandName (L"setsize", ShellCommandRunSetSize, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SETSIZE));
- ShellCommandRegisterCommandName (L"comp", ShellCommandRunComp, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_COMP));
- ShellCommandRegisterCommandName (L"mode", ShellCommandRunMode, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_MODE));
- ShellCommandRegisterCommandName (L"memmap", ShellCommandRunMemMap, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_MEMMAP));
- ShellCommandRegisterCommandName (L"eficompress", ShellCommandRunEfiCompress, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_EFICOMPRESS));
- ShellCommandRegisterCommandName (L"efidecompress", ShellCommandRunEfiDecompress, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_EFIDCOMPRESS));
- ShellCommandRegisterCommandName (L"dmem", ShellCommandRunDmem, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_DMEM));
- ShellCommandRegisterCommandName (L"loadpcirom", ShellCommandRunLoadPciRom, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_LOAD_PCI_ROM));
- ShellCommandRegisterCommandName (L"mm", ShellCommandRunMm, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_MM));
- ShellCommandRegisterCommandName (L"setvar", ShellCommandRunSetVar, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SETVAR));
- ShellCommandRegisterCommandName (L"sermode", ShellCommandRunSerMode, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SERMODE));
- ShellCommandRegisterCommandName (L"pci", ShellCommandRunPci, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_PCI));
- ShellCommandRegisterCommandName (L"smbiosview", ShellCommandRunSmbiosView, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SMBIOSVIEW));
- ShellCommandRegisterCommandName (L"dmpstore", ShellCommandRunDmpStore, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_DMPSTORE));
- ShellCommandRegisterCommandName (L"dblk", ShellCommandRunDblk, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_DBLK));
- ShellCommandRegisterCommandName (L"edit", ShellCommandRunEdit, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_EDIT));
- ShellCommandRegisterCommandName (L"hexedit", ShellCommandRunHexEdit, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_HEXEDIT));
-
- ShellCommandRegisterAlias (L"dmem", L"mem");
-
- BcfgLibraryRegisterBcfgCommand (ImageHandle, SystemTable, L"Debug1");
-
- return (EFI_SUCCESS);
-}
-
-/**
- Destructor for the library. free any resources.
-
- @param ImageHandle The image handle of the process.
- @param SystemTable The EFI System Table pointer.
-**/
-EFI_STATUS
-EFIAPI
-UefiShellDebug1CommandsLibDestructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- if (gShellDebug1HiiHandle != NULL) {
- HiiRemovePackages (gShellDebug1HiiHandle);
- }
-
- BcfgLibraryUnregisterBcfgCommand (ImageHandle, SystemTable);
- return (EFI_SUCCESS);
-}
-
-/**
- Function returns a system configuration table that is stored in the
- EFI System Table based on the provided GUID.
-
- @param[in] TableGuid A pointer to the table's GUID type.
- @param[in, out] Table On exit, a pointer to a system configuration table.
-
- @retval EFI_SUCCESS A configuration table matching TableGuid was found.
- @retval EFI_NOT_FOUND A configuration table matching TableGuid was not found.
-**/
-EFI_STATUS
-GetSystemConfigurationTable (
- IN EFI_GUID *TableGuid,
- IN OUT VOID **Table
- )
-{
- UINTN Index;
-
- ASSERT (Table != NULL);
-
- for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {
- if (CompareGuid (TableGuid, &(gST->ConfigurationTable[Index].VendorGuid))) {
- *Table = gST->ConfigurationTable[Index].VendorTable;
- return EFI_SUCCESS;
- }
- }
-
- return EFI_NOT_FOUND;
-}
-
-/**
- Clear the line at the specified Row.
-
- @param[in] Row The row number to be cleared ( start from 1 )
- @param[in] LastCol The last printable column.
- @param[in] LastRow The last printable row.
-**/
-VOID
-EditorClearLine (
- IN UINTN Row,
- IN UINTN LastCol,
- IN UINTN LastRow
- )
-{
- UINTN Col;
- CHAR16 Line[200];
-
- if (Row == 0) {
- Row = 1;
- }
-
- //
- // prepare a blank line
- // If max column is larger, split to multiple prints.
- //
- SetMem16 (Line, sizeof (Line), L' ');
- Line[ARRAY_SIZE (Line) - 1] = CHAR_NULL;
-
- for (Col = 1; Col <= LastCol; Col += ARRAY_SIZE (Line) - 1) {
- if (Col + ARRAY_SIZE (Line) - 1 > LastCol) {
- if (Row == LastRow) {
- //
- // if CHAR_NULL is still at position LastCol, it will cause first line error
- //
- Line[(LastCol - 1) % (ARRAY_SIZE (Line) - 1)] = CHAR_NULL;
- } else {
- Line[LastCol % (ARRAY_SIZE (Line) - 1)] = CHAR_NULL;
- }
- }
-
- //
- // print out the blank line
- //
- ShellPrintEx ((INT32)Col - 1, (INT32)Row - 1, Line);
- }
-}
-
-/**
- Determine if the character is valid for a filename.
-
- @param[in] Ch The character to test.
-
- @retval TRUE The character is valid.
- @retval FALSE The character is not valid.
-**/
-BOOLEAN
-IsValidFileNameChar (
- IN CONST CHAR16 Ch
- )
-{
- //
- // See if there are any illegal characters within the name
- //
- if ((Ch < 0x20) || (Ch == L'\"') || (Ch == L'*') || (Ch == L'/') || (Ch == L'<') || (Ch == L'>') || (Ch == L'?') || (Ch == L'|')) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-/**
- Check if file name has illegal characters.
-
- @param Name The filename to check.
-
- @retval TRUE The filename is ok.
- @retval FALSE The filename is not ok.
-**/
-BOOLEAN
-IsValidFileName (
- IN CONST CHAR16 *Name
- )
-{
- UINTN Index;
- UINTN Len;
-
- //
- // check the length of Name
- //
- for (Len = 0, Index = StrLen (Name) - 1; Index + 1 != 0; Index--, Len++) {
- if ((Name[Index] == '\\') || (Name[Index] == ':')) {
- break;
- }
- }
-
- if ((Len == 0) || (Len > 255)) {
- return FALSE;
- }
-
- //
- // check whether any char in Name not appears in valid file name char
- //
- for (Index = 0; Index < StrLen (Name); Index++) {
- if (!IsValidFileNameChar (Name[Index])) {
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-/**
- Find a filename that is valid (not taken) with the given extension.
-
- @param[in] Extension The file extension.
-
- @retval NULL Something went wrong.
- @return the valid filename.
-**/
-CHAR16 *
-EditGetDefaultFileName (
- IN CONST CHAR16 *Extension
- )
-{
- EFI_STATUS Status;
- UINTN Suffix;
- CHAR16 *FileNameTmp;
-
- Suffix = 0;
-
- do {
- FileNameTmp = CatSPrint (NULL, L"NewFile%d.%s", Suffix, Extension);
-
- //
- // after that filename changed to path
- //
- Status = ShellFileExists (FileNameTmp);
-
- if (Status == EFI_NOT_FOUND) {
- return FileNameTmp;
- }
-
- FreePool (FileNameTmp);
- FileNameTmp = NULL;
- Suffix++;
- } while (Suffix != 0);
-
- FreePool (FileNameTmp);
- return NULL;
-}
-
-/**
- Read a file into an allocated buffer. The buffer is the responsibility
- of the caller to free.
-
- @param[in] FileName The filename of the file to open.
- @param[out] Buffer Upon successful return, the pointer to the
- address of the allocated buffer.
- @param[out] BufferSize If not NULL, then the pointer to the size
- of the allocated buffer.
- @param[out] ReadOnly Upon successful return TRUE if the file is
- read only. FALSE otherwise.
-
- @retval EFI_NOT_FOUND The filename did not represent a file in the
- file system.
- @retval EFI_SUCCESS The file was read into the buffer.
- @retval EFI_OUT_OF_RESOURCES A memory allocation failed.
- @retval EFI_LOAD_ERROR The file read operation failed.
- @retval EFI_INVALID_PARAMETER A parameter was invalid.
- @retval EFI_INVALID_PARAMETER FileName was NULL.
- @retval EFI_INVALID_PARAMETER FileName was a directory.
-**/
-EFI_STATUS
-ReadFileIntoBuffer (
- IN CONST CHAR16 *FileName,
- OUT VOID **Buffer,
- OUT UINTN *BufferSize OPTIONAL,
- OUT BOOLEAN *ReadOnly
- )
-{
- VOID *InternalBuffer;
- UINTN FileSize;
- SHELL_FILE_HANDLE FileHandle;
- BOOLEAN CreateFile;
- EFI_STATUS Status;
- EFI_FILE_INFO *Info;
-
- InternalBuffer = NULL;
- FileSize = 0;
- FileHandle = NULL;
- CreateFile = FALSE;
- Status = EFI_SUCCESS;
- Info = NULL;
-
- if ((FileName == NULL) || (Buffer == NULL) || (ReadOnly == NULL)) {
- return (EFI_INVALID_PARAMETER);
- }
-
- //
- // try to open the file
- //
- Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0);
-
- if (!EFI_ERROR (Status)) {
- ASSERT (CreateFile == FALSE);
- if (FileHandle == NULL) {
- return EFI_LOAD_ERROR;
- }
-
- Info = ShellGetFileInfo (FileHandle);
-
- if (Info->Attribute & EFI_FILE_DIRECTORY) {
- FreePool (Info);
- return EFI_INVALID_PARAMETER;
- }
-
- if (Info->Attribute & EFI_FILE_READ_ONLY) {
- *ReadOnly = TRUE;
- } else {
- *ReadOnly = FALSE;
- }
-
- //
- // get file size
- //
- FileSize = (UINTN)Info->FileSize;
-
- FreePool (Info);
- } else if (Status == EFI_NOT_FOUND) {
- //
- // file not exists. add create and try again
- //
- Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);
- if (EFI_ERROR (Status)) {
- return Status;
- } else {
- //
- // it worked. now delete it and move on with the name (now validated)
- //
- Status = ShellDeleteFile (&FileHandle);
- if (Status == EFI_WARN_DELETE_FAILURE) {
- Status = EFI_ACCESS_DENIED;
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- //
- // file doesn't exist, so set CreateFile to TRUE and can't be read-only
- //
- CreateFile = TRUE;
- *ReadOnly = FALSE;
- }
-
- //
- // the file exists
- //
- if (!CreateFile) {
- //
- // allocate buffer to read file
- //
- InternalBuffer = AllocateZeroPool (FileSize);
- if (InternalBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // read file into InternalBuffer
- //
- Status = ShellReadFile (FileHandle, &FileSize, InternalBuffer);
- ShellCloseFile (&FileHandle);
- FileHandle = NULL;
- if (EFI_ERROR (Status)) {
- SHELL_FREE_NON_NULL (InternalBuffer);
- return EFI_LOAD_ERROR;
- }
- }
-
- *Buffer = InternalBuffer;
- if (BufferSize != NULL) {
- *BufferSize = FileSize;
- }
-
- return (EFI_SUCCESS);
-}
+/** @file + Main file for NULL named library for debug1 profile shell command functions. + + Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiShellDebug1CommandsLib.h" +#include <Library/BcfgCommandLib.h> + +STATIC CONST CHAR16 mFileName[] = L"Debug1Commands"; +EFI_HII_HANDLE gShellDebug1HiiHandle = NULL; + +/** + Gets the debug file name. This will be used if HII is not working. + + @retval NULL No file is available. + @return The NULL-terminated filename to get help from. +**/ +CONST CHAR16 * +EFIAPI +ShellCommandGetManFileNameDebug1 ( + VOID + ) +{ + return (mFileName); +} + +/** + Constructor for the Shell Debug1 Commands library. + + @param ImageHandle the image handle of the process + @param SystemTable the EFI System Table pointer + + @retval EFI_SUCCESS the shell command handlers were installed successfully + @retval EFI_UNSUPPORTED the shell level required was not found. +**/ +EFI_STATUS +EFIAPI +UefiShellDebug1CommandsLibConstructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + // + // check our bit of the profiles mask + // + if ((PcdGet8 (PcdShellProfileMask) & BIT1) == 0) { + return (EFI_SUCCESS); + } + + // + // install the HII stuff. + // + gShellDebug1HiiHandle = HiiAddPackages (&gShellDebug1HiiGuid, gImageHandle, UefiShellDebug1CommandsLibStrings, NULL); + if (gShellDebug1HiiHandle == NULL) { + return (EFI_DEVICE_ERROR); + } + + // + // install our shell command handlers that are always installed + // + ShellCommandRegisterCommandName (L"setsize", ShellCommandRunSetSize, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SETSIZE)); + ShellCommandRegisterCommandName (L"comp", ShellCommandRunComp, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_COMP)); + ShellCommandRegisterCommandName (L"mode", ShellCommandRunMode, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_MODE)); + ShellCommandRegisterCommandName (L"memmap", ShellCommandRunMemMap, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_MEMMAP)); + ShellCommandRegisterCommandName (L"eficompress", ShellCommandRunEfiCompress, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_EFICOMPRESS)); + ShellCommandRegisterCommandName (L"efidecompress", ShellCommandRunEfiDecompress, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_EFIDCOMPRESS)); + ShellCommandRegisterCommandName (L"dmem", ShellCommandRunDmem, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_DMEM)); + ShellCommandRegisterCommandName (L"loadpcirom", ShellCommandRunLoadPciRom, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_LOAD_PCI_ROM)); + ShellCommandRegisterCommandName (L"mm", ShellCommandRunMm, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_MM)); + ShellCommandRegisterCommandName (L"setvar", ShellCommandRunSetVar, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SETVAR)); + ShellCommandRegisterCommandName (L"sermode", ShellCommandRunSerMode, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SERMODE)); + ShellCommandRegisterCommandName (L"pci", ShellCommandRunPci, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_PCI)); + ShellCommandRegisterCommandName (L"smbiosview", ShellCommandRunSmbiosView, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_SMBIOSVIEW)); + ShellCommandRegisterCommandName (L"dmpstore", ShellCommandRunDmpStore, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_DMPSTORE)); + ShellCommandRegisterCommandName (L"dblk", ShellCommandRunDblk, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_DBLK)); + ShellCommandRegisterCommandName (L"edit", ShellCommandRunEdit, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_EDIT)); + ShellCommandRegisterCommandName (L"hexedit", ShellCommandRunHexEdit, ShellCommandGetManFileNameDebug1, 0, L"Debug1", TRUE, gShellDebug1HiiHandle, STRING_TOKEN (STR_GET_HELP_HEXEDIT)); + + ShellCommandRegisterAlias (L"dmem", L"mem"); + + BcfgLibraryRegisterBcfgCommand (ImageHandle, SystemTable, L"Debug1"); + + return (EFI_SUCCESS); +} + +/** + Destructor for the library. free any resources. + + @param ImageHandle The image handle of the process. + @param SystemTable The EFI System Table pointer. +**/ +EFI_STATUS +EFIAPI +UefiShellDebug1CommandsLibDestructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + if (gShellDebug1HiiHandle != NULL) { + HiiRemovePackages (gShellDebug1HiiHandle); + } + + BcfgLibraryUnregisterBcfgCommand (ImageHandle, SystemTable); + return (EFI_SUCCESS); +} + +/** + Function returns a system configuration table that is stored in the + EFI System Table based on the provided GUID. + + @param[in] TableGuid A pointer to the table's GUID type. + @param[in, out] Table On exit, a pointer to a system configuration table. + + @retval EFI_SUCCESS A configuration table matching TableGuid was found. + @retval EFI_NOT_FOUND A configuration table matching TableGuid was not found. +**/ +EFI_STATUS +GetSystemConfigurationTable ( + IN EFI_GUID *TableGuid, + IN OUT VOID **Table + ) +{ + UINTN Index; + + ASSERT (Table != NULL); + + for (Index = 0; Index < gST->NumberOfTableEntries; Index++) { + if (CompareGuid (TableGuid, &(gST->ConfigurationTable[Index].VendorGuid))) { + *Table = gST->ConfigurationTable[Index].VendorTable; + return EFI_SUCCESS; + } + } + + return EFI_NOT_FOUND; +} + +/** + Clear the line at the specified Row. + + @param[in] Row The row number to be cleared ( start from 1 ) + @param[in] LastCol The last printable column. + @param[in] LastRow The last printable row. +**/ +VOID +EditorClearLine ( + IN UINTN Row, + IN UINTN LastCol, + IN UINTN LastRow + ) +{ + UINTN Col; + CHAR16 Line[200]; + + if (Row == 0) { + Row = 1; + } + + // + // prepare a blank line + // If max column is larger, split to multiple prints. + // + SetMem16 (Line, sizeof (Line), L' '); + Line[ARRAY_SIZE (Line) - 1] = CHAR_NULL; + + for (Col = 1; Col <= LastCol; Col += ARRAY_SIZE (Line) - 1) { + if (Col + ARRAY_SIZE (Line) - 1 > LastCol) { + if (Row == LastRow) { + // + // if CHAR_NULL is still at position LastCol, it will cause first line error + // + Line[(LastCol - 1) % (ARRAY_SIZE (Line) - 1)] = CHAR_NULL; + } else { + Line[LastCol % (ARRAY_SIZE (Line) - 1)] = CHAR_NULL; + } + } + + // + // print out the blank line + // + ShellPrintEx ((INT32)Col - 1, (INT32)Row - 1, Line); + } +} + +/** + Determine if the character is valid for a filename. + + @param[in] Ch The character to test. + + @retval TRUE The character is valid. + @retval FALSE The character is not valid. +**/ +BOOLEAN +IsValidFileNameChar ( + IN CONST CHAR16 Ch + ) +{ + // + // See if there are any illegal characters within the name + // + if ((Ch < 0x20) || (Ch == L'\"') || (Ch == L'*') || (Ch == L'/') || (Ch == L'<') || (Ch == L'>') || (Ch == L'?') || (Ch == L'|')) { + return FALSE; + } + + return TRUE; +} + +/** + Check if file name has illegal characters. + + @param Name The filename to check. + + @retval TRUE The filename is ok. + @retval FALSE The filename is not ok. +**/ +BOOLEAN +IsValidFileName ( + IN CONST CHAR16 *Name + ) +{ + UINTN Index; + UINTN Len; + + // + // check the length of Name + // + for (Len = 0, Index = StrLen (Name) - 1; Index + 1 != 0; Index--, Len++) { + if ((Name[Index] == '\\') || (Name[Index] == ':')) { + break; + } + } + + if ((Len == 0) || (Len > 255)) { + return FALSE; + } + + // + // check whether any char in Name not appears in valid file name char + // + for (Index = 0; Index < StrLen (Name); Index++) { + if (!IsValidFileNameChar (Name[Index])) { + return FALSE; + } + } + + return TRUE; +} + +/** + Find a filename that is valid (not taken) with the given extension. + + @param[in] Extension The file extension. + + @retval NULL Something went wrong. + @return the valid filename. +**/ +CHAR16 * +EditGetDefaultFileName ( + IN CONST CHAR16 *Extension + ) +{ + EFI_STATUS Status; + UINTN Suffix; + CHAR16 *FileNameTmp; + + Suffix = 0; + + do { + FileNameTmp = CatSPrint (NULL, L"NewFile%d.%s", Suffix, Extension); + + // + // after that filename changed to path + // + Status = ShellFileExists (FileNameTmp); + + if (Status == EFI_NOT_FOUND) { + return FileNameTmp; + } + + FreePool (FileNameTmp); + FileNameTmp = NULL; + Suffix++; + } while (Suffix != 0); + + FreePool (FileNameTmp); + return NULL; +} + +/** + Read a file into an allocated buffer. The buffer is the responsibility + of the caller to free. + + @param[in] FileName The filename of the file to open. + @param[out] Buffer Upon successful return, the pointer to the + address of the allocated buffer. + @param[out] BufferSize If not NULL, then the pointer to the size + of the allocated buffer. + @param[out] ReadOnly Upon successful return TRUE if the file is + read only. FALSE otherwise. + + @retval EFI_NOT_FOUND The filename did not represent a file in the + file system. + @retval EFI_SUCCESS The file was read into the buffer. + @retval EFI_OUT_OF_RESOURCES A memory allocation failed. + @retval EFI_LOAD_ERROR The file read operation failed. + @retval EFI_INVALID_PARAMETER A parameter was invalid. + @retval EFI_INVALID_PARAMETER FileName was NULL. + @retval EFI_INVALID_PARAMETER FileName was a directory. +**/ +EFI_STATUS +ReadFileIntoBuffer ( + IN CONST CHAR16 *FileName, + OUT VOID **Buffer, + OUT UINTN *BufferSize OPTIONAL, + OUT BOOLEAN *ReadOnly + ) +{ + VOID *InternalBuffer; + UINTN FileSize; + SHELL_FILE_HANDLE FileHandle; + BOOLEAN CreateFile; + EFI_STATUS Status; + EFI_FILE_INFO *Info; + + InternalBuffer = NULL; + FileSize = 0; + FileHandle = NULL; + CreateFile = FALSE; + Status = EFI_SUCCESS; + Info = NULL; + + if ((FileName == NULL) || (Buffer == NULL) || (ReadOnly == NULL)) { + return (EFI_INVALID_PARAMETER); + } + + // + // try to open the file + // + Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0); + + if (!EFI_ERROR (Status)) { + ASSERT (CreateFile == FALSE); + if (FileHandle == NULL) { + return EFI_LOAD_ERROR; + } + + Info = ShellGetFileInfo (FileHandle); + + if (Info->Attribute & EFI_FILE_DIRECTORY) { + FreePool (Info); + return EFI_INVALID_PARAMETER; + } + + if (Info->Attribute & EFI_FILE_READ_ONLY) { + *ReadOnly = TRUE; + } else { + *ReadOnly = FALSE; + } + + // + // get file size + // + FileSize = (UINTN)Info->FileSize; + + FreePool (Info); + } else if (Status == EFI_NOT_FOUND) { + // + // file not exists. add create and try again + // + Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0); + if (EFI_ERROR (Status)) { + return Status; + } else { + // + // it worked. now delete it and move on with the name (now validated) + // + Status = ShellDeleteFile (&FileHandle); + if (Status == EFI_WARN_DELETE_FAILURE) { + Status = EFI_ACCESS_DENIED; + } + + if (EFI_ERROR (Status)) { + return Status; + } + } + + // + // file doesn't exist, so set CreateFile to TRUE and can't be read-only + // + CreateFile = TRUE; + *ReadOnly = FALSE; + } + + // + // the file exists + // + if (!CreateFile) { + // + // allocate buffer to read file + // + InternalBuffer = AllocateZeroPool (FileSize); + if (InternalBuffer == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + // + // read file into InternalBuffer + // + Status = ShellReadFile (FileHandle, &FileSize, InternalBuffer); + ShellCloseFile (&FileHandle); + FileHandle = NULL; + if (EFI_ERROR (Status)) { + SHELL_FREE_NON_NULL (InternalBuffer); + return EFI_LOAD_ERROR; + } + } + + *Buffer = InternalBuffer; + if (BufferSize != NULL) { + *BufferSize = FileSize; + } + + return (EFI_SUCCESS); +} |
