mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-27 12:15:19 +01:00
360 lines
11 KiB
C
360 lines
11 KiB
C
/** @file
|
|
Main file for attrib shell level 2 function.
|
|
|
|
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
|
|
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
|
|
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#include "UefiShellLevel2CommandsLib.h"
|
|
|
|
/**
|
|
Function will replace drive identifier with CWD.
|
|
|
|
If FullPath begining with ':' is invalid path, then ASSERT.
|
|
If FullPath not include dirve identifier , then do nothing.
|
|
If FullPath likes "fs0:\xx" or "fs0:/xx" , then do nothing.
|
|
If FullPath likes "fs0:xxx" or "fs0:", the drive replaced by CWD.
|
|
|
|
@param[in, out] FullPath The pointer to the string containing the path.
|
|
@param[in] Cwd Current directory.
|
|
|
|
@retval EFI_SUCCESS Success.
|
|
@retval EFI_OUT_OF_SOURCES A memory allocation failed.
|
|
**/
|
|
EFI_STATUS
|
|
ReplaceDriveWithCwd (
|
|
IN OUT CHAR16 **FullPath,
|
|
IN CONST CHAR16 *Cwd
|
|
)
|
|
{
|
|
CHAR16 *Splitter;
|
|
CHAR16 *TempBuffer;
|
|
UINTN TotalSize;
|
|
|
|
Splitter = NULL;
|
|
TempBuffer = NULL;
|
|
TotalSize = 0;
|
|
|
|
if (FullPath == NULL || *FullPath == NULL) {
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
Splitter = StrStr (*FullPath, L":");
|
|
ASSERT(Splitter != *FullPath);
|
|
|
|
if (Splitter != NULL && *(Splitter + 1) != L'\\' && *(Splitter + 1) != L'/') {
|
|
TotalSize = StrSize (Cwd) + StrSize (Splitter + 1);
|
|
TempBuffer = AllocateZeroPool (TotalSize);
|
|
if (TempBuffer == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
StrCpyS (TempBuffer, TotalSize / sizeof(CHAR16), Cwd);
|
|
StrCatS (TempBuffer, TotalSize / sizeof(CHAR16), L"\\");
|
|
StrCatS (TempBuffer, TotalSize / sizeof(CHAR16), Splitter + 1);
|
|
|
|
FreePool(*FullPath);
|
|
*FullPath = TempBuffer;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
function to determine if FullPath is under current filesystem.
|
|
|
|
@param[in] FullPath The target location to determine.
|
|
@param[in] Cwd Current directory.
|
|
|
|
@retval TRUE The FullPath is in the current filesystem.
|
|
@retval FALSE The FullPaht isn't in the current filesystem.
|
|
**/
|
|
BOOLEAN
|
|
IsCurrentFileSystem (
|
|
IN CONST CHAR16 *FullPath,
|
|
IN CONST CHAR16 *Cwd
|
|
)
|
|
{
|
|
CHAR16 *Splitter1;
|
|
CHAR16 *Splitter2;
|
|
|
|
Splitter1 = NULL;
|
|
Splitter2 = NULL;
|
|
|
|
ASSERT(FullPath != NULL);
|
|
|
|
Splitter1 = StrStr (FullPath, L":");
|
|
if (Splitter1 == NULL) {
|
|
return TRUE;
|
|
}
|
|
|
|
Splitter2 = StrStr (Cwd, L":");
|
|
|
|
if (((UINTN) Splitter1 - (UINTN) FullPath) != ((UINTN) Splitter2 - (UINTN) Cwd)) {
|
|
return FALSE;
|
|
} else {
|
|
if (StrniCmp (FullPath, Cwd, ((UINTN) Splitter1 - (UINTN) FullPath) / sizeof (CHAR16)) == 0) {
|
|
return TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
Extract drive string and path string from FullPath.
|
|
|
|
The caller must be free Drive and Path.
|
|
|
|
@param[in] FullPath A path to be extracted.
|
|
@param[out] Drive Buffer to save drive identifier.
|
|
@param[out] Path Buffer to save path.
|
|
|
|
@retval EFI_SUCCESS Success.
|
|
@retval EFI_OUT_OF_RESOUCES A memory allocation failed.
|
|
**/
|
|
EFI_STATUS
|
|
ExtractDriveAndPath (
|
|
IN CONST CHAR16 *FullPath,
|
|
OUT CHAR16 **Drive,
|
|
OUT CHAR16 **Path
|
|
)
|
|
{
|
|
CHAR16 *Splitter;
|
|
|
|
ASSERT (FullPath != NULL);
|
|
|
|
Splitter = StrStr (FullPath, L":");
|
|
|
|
if (Splitter == NULL) {
|
|
*Drive = NULL;
|
|
*Path = AllocateCopyPool (StrSize (FullPath), FullPath);
|
|
if (*Path == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
} else {
|
|
if (*(Splitter + 1) == CHAR_NULL) {
|
|
*Drive = AllocateCopyPool (StrSize (FullPath), FullPath);
|
|
*Path = NULL;
|
|
if (*Drive == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
} else {
|
|
*Drive = AllocateCopyPool ((Splitter - FullPath + 2) * sizeof(CHAR16), FullPath);
|
|
if (*Drive == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
(*Drive)[Splitter - FullPath + 1] = CHAR_NULL;
|
|
|
|
*Path = AllocateCopyPool (StrSize (Splitter + 1), Splitter + 1);
|
|
if (*Path == NULL) {
|
|
FreePool (*Drive);
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Function for 'cd' command.
|
|
|
|
@param[in] ImageHandle Handle to the Image (NULL if Internal).
|
|
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
|
|
**/
|
|
SHELL_STATUS
|
|
EFIAPI
|
|
ShellCommandRunCd (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
LIST_ENTRY *Package = NULL;
|
|
CONST CHAR16 *Cwd;
|
|
CHAR16 *Path;
|
|
CHAR16 *Drive;
|
|
CHAR16 *ProblemParam = NULL;
|
|
SHELL_STATUS ShellStatus;
|
|
CONST CHAR16 *Param1;
|
|
CHAR16 *Param1Copy;
|
|
CHAR16 *Walker;
|
|
CHAR16 *Splitter;
|
|
CHAR16 *TempBuffer;
|
|
UINTN TotalSize;
|
|
|
|
ProblemParam = NULL;
|
|
ShellStatus = SHELL_SUCCESS;
|
|
Cwd = NULL;
|
|
Path = NULL;
|
|
Drive = NULL;
|
|
Splitter = NULL;
|
|
TempBuffer = NULL;
|
|
TotalSize = 0;
|
|
|
|
Status = CommandInit();
|
|
// ASSERT_EFI_ERROR(Status);
|
|
if (EFI_ERROR(Status)) {
|
|
return SHELL_UNSUPPORTED;
|
|
}
|
|
|
|
//
|
|
// initialize the shell lib (we must be in non-auto-init...)
|
|
//
|
|
Status = ShellInitialize();
|
|
// ASSERT_EFI_ERROR(Status);
|
|
if (EFI_ERROR(Status)) {
|
|
return SHELL_UNSUPPORTED;
|
|
}
|
|
|
|
//
|
|
// parse the command line
|
|
//
|
|
Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
|
|
if (EFI_ERROR(Status)) {
|
|
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"cd", ProblemParam);
|
|
FreePool(ProblemParam);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} /* else {
|
|
ASSERT(FALSE);
|
|
} */
|
|
}
|
|
|
|
//
|
|
// check for "-?"
|
|
//
|
|
if (ShellCommandLineGetFlag(Package, L"-?")) {
|
|
// ASSERT(FALSE);
|
|
} else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"cd");
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
//
|
|
// remember that param 0 is the command name
|
|
// If there are 0 value parameters, then print the current directory
|
|
// else If there are 2 value parameters, then print the error message
|
|
// else If there is 1 value paramerer , then change the directory
|
|
//
|
|
Cwd = ShellGetCurrentDir (NULL);
|
|
// Print(L"Cwd=%s\n", Cwd);
|
|
if (Cwd == NULL) {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"cd");
|
|
ShellStatus = SHELL_NOT_FOUND;
|
|
} else {
|
|
Param1 = ShellCommandLineGetRawValue (Package, 1);
|
|
// Print(L"Param1=%s\n", Param1);
|
|
if (Param1 == NULL) {
|
|
//
|
|
// display the current directory
|
|
//
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_CD_PRINT), gShellLevel2HiiHandle, Cwd);
|
|
} else {
|
|
Param1Copy = CatSPrint (NULL, L"%s", Param1, NULL);
|
|
for (Walker = Param1Copy; Walker != NULL && *Walker != CHAR_NULL; Walker++) {
|
|
if (*Walker == L'\"') {
|
|
CopyMem (Walker, Walker + 1, StrSize(Walker) - sizeof(Walker[0]));
|
|
}
|
|
}
|
|
// Print(L"Param1Copy=%s\n", Param1Copy);
|
|
if (Param1Copy != NULL && IsCurrentFileSystem (Param1Copy, Cwd)) {
|
|
Status = ReplaceDriveWithCwd (&Param1Copy,Cwd);
|
|
if (!EFI_ERROR (Status)) {
|
|
Param1Copy = PathCleanUpDirectories (Param1Copy);
|
|
}
|
|
} else {
|
|
//
|
|
// Can't use cd command to change filesystem.
|
|
//
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle, L"cd");
|
|
Status = EFI_NOT_FOUND;
|
|
}
|
|
|
|
if (!EFI_ERROR(Status) && Param1Copy != NULL) {
|
|
Splitter = StrStr (Cwd, L":");
|
|
if (Param1Copy[0] == L'\\') {
|
|
//
|
|
// Absolute Path on current drive letter.
|
|
//
|
|
TotalSize = ((Splitter - Cwd + 1) * sizeof(CHAR16)) + StrSize(Param1Copy);
|
|
TempBuffer = AllocateZeroPool (TotalSize);
|
|
if (TempBuffer == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
} else {
|
|
StrnCpyS (TempBuffer, TotalSize / sizeof(CHAR16), Cwd, (Splitter - Cwd + 1));
|
|
StrCatS (TempBuffer, TotalSize / sizeof(CHAR16), Param1Copy);
|
|
|
|
FreePool (Param1Copy);
|
|
Param1Copy = TempBuffer;
|
|
TempBuffer = NULL;
|
|
}
|
|
} else {
|
|
if (StrStr (Param1Copy,L":") == NULL) {
|
|
TotalSize = StrSize (Cwd) + StrSize (Param1Copy);
|
|
TempBuffer = AllocateZeroPool (TotalSize);
|
|
if (TempBuffer == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
} else {
|
|
StrCpyS (TempBuffer, TotalSize / sizeof (CHAR16), Cwd);
|
|
StrCatS (TempBuffer, TotalSize / sizeof (CHAR16), L"\\");
|
|
StrCatS (TempBuffer, TotalSize / sizeof (CHAR16), Param1Copy);
|
|
|
|
FreePool (Param1Copy);
|
|
Param1Copy = PathCleanUpDirectories (TempBuffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!EFI_ERROR(Status)) {
|
|
Status = ExtractDriveAndPath (Param1Copy, &Drive, &Path);
|
|
}
|
|
|
|
if (!EFI_ERROR (Status) && Drive != NULL && Path != NULL) {
|
|
if (EFI_ERROR(ShellIsDirectory (Param1Copy))) {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_GEN_NOT_DIR), gShellLevel2HiiHandle, L"cd", Param1Copy);
|
|
ShellStatus = SHELL_NOT_FOUND;
|
|
} else {
|
|
Status = gEfiShellProtocol->SetCurDir (Drive, Path + 1);
|
|
if (EFI_ERROR (Status)) {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN(STR_GEN_DIR_NF), gShellLevel2HiiHandle, L"cd", Param1Copy);
|
|
ShellStatus = SHELL_NOT_FOUND;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Drive != NULL) {
|
|
FreePool (Drive);
|
|
}
|
|
|
|
if (Path != NULL) {
|
|
FreePool (Path);
|
|
}
|
|
|
|
FreePool (Param1Copy);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// free the command line package
|
|
//
|
|
ShellCommandLineFreeVarList (Package);
|
|
|
|
//
|
|
// return the status
|
|
//
|
|
return (ShellStatus);
|
|
}
|
|
|