You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
287 lines
9.2 KiB
287 lines
9.2 KiB
4 years ago
|
/** @file
|
||
|
|
Main file for Alias shell level 3 function.
|
||
|
|
|
||
|
|
(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 "UefiShellLevel3CommandsLib.h"
|
||
|
|
|
||
|
|
#include <Library/ShellLib.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
Print out single alias registered with the Shell.
|
||
|
|
|
||
|
|
@param[in] Alias Points to the NULL-terminated shell alias.
|
||
|
|
If this parameter is NULL, then all
|
||
|
|
aliases will be returned in ReturnedData.
|
||
|
|
@retval SHELL_SUCCESS the printout was sucessful
|
||
|
|
**/
|
||
|
|
SHELL_STATUS
|
||
|
|
PrintSingleShellAlias(
|
||
|
|
IN CONST CHAR16 *Alias
|
||
|
|
)
|
||
|
|
{
|
||
|
|
CONST CHAR16 *ConstAliasVal;
|
||
|
|
SHELL_STATUS ShellStatus;
|
||
|
|
BOOLEAN Volatile;
|
||
|
|
|
||
|
|
ShellStatus = SHELL_SUCCESS;
|
||
|
|
ConstAliasVal = gEfiShellProtocol->GetAlias (Alias, &Volatile);
|
||
|
|
if (ConstAliasVal == NULL) {
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"alias", Alias);
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
} else {
|
||
|
|
if (ShellCommandIsOnAliasList (Alias)) {
|
||
|
|
Volatile = FALSE;
|
||
|
|
}
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile ? L' ' : L'*', Alias, ConstAliasVal);
|
||
|
|
}
|
||
|
|
return ShellStatus;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
Print out each alias registered with the Shell.
|
||
|
|
|
||
|
|
@retval STATUS_SUCCESS the printout was sucessful
|
||
|
|
@return any return code from GetNextVariableName except EFI_NOT_FOUND
|
||
|
|
**/
|
||
|
|
SHELL_STATUS
|
||
|
|
PrintAllShellAlias(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
CONST CHAR16 *ConstAllAliasList;
|
||
|
|
CHAR16 *Alias;
|
||
|
|
CHAR16 *Walker;
|
||
|
|
|
||
|
|
ConstAllAliasList = gEfiShellProtocol->GetAlias(NULL, NULL);
|
||
|
|
if (ConstAllAliasList == NULL) {
|
||
|
|
return (SHELL_SUCCESS);
|
||
|
|
}
|
||
|
|
Alias = AllocateZeroPool(StrSize(ConstAllAliasList));
|
||
|
|
if (Alias == NULL) {
|
||
|
|
return (SHELL_OUT_OF_RESOURCES);
|
||
|
|
}
|
||
|
|
Walker = (CHAR16*)ConstAllAliasList;
|
||
|
|
|
||
|
|
do {
|
||
|
|
CopyMem(Alias, Walker, StrSize(Walker));
|
||
|
|
Walker = StrStr(Alias, L";");
|
||
|
|
if (Walker != NULL) {
|
||
|
|
Walker[0] = CHAR_NULL;
|
||
|
|
Walker = Walker + 1;
|
||
|
|
}
|
||
|
|
PrintSingleShellAlias(Alias);
|
||
|
|
} while (Walker != NULL && Walker[0] != CHAR_NULL);
|
||
|
|
|
||
|
|
FreePool(Alias);
|
||
|
|
|
||
|
|
return (SHELL_SUCCESS);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
Changes a shell command alias.
|
||
|
|
|
||
|
|
This function creates an alias for a shell command or if Alias is NULL it will delete an existing alias.
|
||
|
|
|
||
|
|
|
||
|
|
@param[in] Command Points to the NULL-terminated shell command or existing alias.
|
||
|
|
@param[in] Alias Points to the NULL-terminated alias for the shell command. If this is NULL, and
|
||
|
|
Command refers to an alias, that alias will be deleted.
|
||
|
|
@param[in] Replace If TRUE and the alias already exists, then the existing alias will be replaced. If
|
||
|
|
FALSE and the alias already exists, then the existing alias is unchanged and
|
||
|
|
EFI_ACCESS_DENIED is returned.
|
||
|
|
@param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the
|
||
|
|
Alias being set will be stored in a non-volatile fashion.
|
||
|
|
|
||
|
|
@retval SHELL_SUCCESS Alias created or deleted successfully.
|
||
|
|
@retval SHELL_NOT_FOUND the Alias intended to be deleted was not found
|
||
|
|
@retval SHELL_ACCESS_DENIED The alias is a built-in alias or already existed and Replace was set to
|
||
|
|
FALSE.
|
||
|
|
@retval SHELL_DEVICE_ERROR Command is null or the empty string.
|
||
|
|
**/
|
||
|
|
SHELL_STATUS
|
||
|
|
ShellLevel3CommandsLibSetAlias(
|
||
|
|
IN CONST CHAR16 *Command,
|
||
|
|
IN CONST CHAR16 *Alias,
|
||
|
|
IN BOOLEAN Replace,
|
||
|
|
IN BOOLEAN Volatile
|
||
|
|
)
|
||
|
|
{
|
||
|
|
SHELL_STATUS ShellStatus;
|
||
|
|
EFI_STATUS Status;
|
||
|
|
|
||
|
|
ShellStatus = SHELL_SUCCESS;
|
||
|
|
Status = gEfiShellProtocol->SetAlias (Command, Alias, Replace, Volatile);
|
||
|
|
if (EFI_ERROR(Status)) {
|
||
|
|
if (Status == EFI_ACCESS_DENIED) {
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_AD), gShellLevel3HiiHandle, L"alias");
|
||
|
|
ShellStatus = SHELL_ACCESS_DENIED;
|
||
|
|
} else if (Status == EFI_NOT_FOUND) {
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_NOT_FOUND), gShellLevel3HiiHandle, L"alias", Command);
|
||
|
|
ShellStatus = SHELL_NOT_FOUND;
|
||
|
|
} else {
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel3HiiHandle, L"alias", Status);
|
||
|
|
ShellStatus = SHELL_DEVICE_ERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return ShellStatus;
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
|
||
|
|
{L"-v", TypeFlag},
|
||
|
|
{L"-d", TypeValue},
|
||
|
|
{NULL, TypeMax}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
Function for 'alias' 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
|
||
|
|
ShellCommandRunAlias (
|
||
|
|
IN EFI_HANDLE ImageHandle,
|
||
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
||
|
|
)
|
||
|
|
{
|
||
|
|
EFI_STATUS Status;
|
||
|
|
LIST_ENTRY *Package;
|
||
|
|
CHAR16 *ProblemParam;
|
||
|
|
SHELL_STATUS ShellStatus;
|
||
|
|
CONST CHAR16 *Param1;
|
||
|
|
CONST CHAR16 *Param2;
|
||
|
|
CONST CHAR16 *ParamStrD;
|
||
|
|
CHAR16 *CleanParam2;
|
||
|
|
BOOLEAN DeleteFlag;
|
||
|
|
BOOLEAN VolatileFlag;
|
||
|
|
|
||
|
|
ProblemParam = NULL;
|
||
|
|
ShellStatus = SHELL_SUCCESS;
|
||
|
|
CleanParam2 = NULL;
|
||
|
|
|
||
|
|
//
|
||
|
|
// initialize the shell lib (we must be in non-auto-init...)
|
||
|
|
//
|
||
|
|
Status = ShellInitialize();
|
||
|
|
ASSERT_EFI_ERROR(Status);
|
||
|
|
|
||
|
|
Status = CommandInit();
|
||
|
|
ASSERT_EFI_ERROR(Status);
|
||
|
|
|
||
|
|
//
|
||
|
|
// parse the command line
|
||
|
|
//
|
||
|
|
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
|
||
|
|
if (EFI_ERROR(Status)) {
|
||
|
|
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
|
||
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"alias", ProblemParam);
|
||
|
|
FreePool(ProblemParam);
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
} else {
|
||
|
|
ASSERT(FALSE);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Param1 = ShellCommandLineGetRawValue(Package, 1);
|
||
|
|
Param2 = ShellCommandLineGetRawValue(Package, 2);
|
||
|
|
|
||
|
|
DeleteFlag = ShellCommandLineGetFlag (Package, L"-d");
|
||
|
|
VolatileFlag = ShellCommandLineGetFlag (Package, L"-v");
|
||
|
|
|
||
|
|
if (Param2 != NULL) {
|
||
|
|
CleanParam2 = AllocateCopyPool (StrSize(Param2), Param2);
|
||
|
|
if (CleanParam2 == NULL) {
|
||
|
|
ShellCommandLineFreeVarList (Package);
|
||
|
|
return SHELL_OUT_OF_RESOURCES;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (CleanParam2[0] == L'\"' && CleanParam2[StrLen(CleanParam2)-1] == L'\"') {
|
||
|
|
CleanParam2[StrLen(CleanParam2)-1] = L'\0';
|
||
|
|
CopyMem (CleanParam2, CleanParam2 + 1, StrSize(CleanParam2) - sizeof(CleanParam2[0]));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!DeleteFlag && !VolatileFlag) {
|
||
|
|
switch (ShellCommandLineGetCount (Package)) {
|
||
|
|
case 1:
|
||
|
|
//
|
||
|
|
// "alias"
|
||
|
|
//
|
||
|
|
ShellStatus = PrintAllShellAlias ();
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
//
|
||
|
|
// "alias Param1"
|
||
|
|
//
|
||
|
|
ShellStatus = PrintSingleShellAlias (Param1);
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
//
|
||
|
|
// "alias Param1 CleanParam2"
|
||
|
|
//
|
||
|
|
ShellStatus = ShellLevel3CommandsLibSetAlias (CleanParam2, Param1, FALSE, VolatileFlag);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
}
|
||
|
|
} else if (DeleteFlag) {
|
||
|
|
if (VolatileFlag || ShellCommandLineGetCount (Package) > 1) {
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
} else {
|
||
|
|
ParamStrD = ShellCommandLineGetValue (Package, L"-d");
|
||
|
|
if (ParamStrD == NULL) {
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"alias");
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
} else {
|
||
|
|
//
|
||
|
|
// Delete an alias: "alias -d ParamStrD"
|
||
|
|
//
|
||
|
|
ShellStatus = ShellLevel3CommandsLibSetAlias (ParamStrD, NULL, TRUE, FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
//
|
||
|
|
// Set volatile alias.
|
||
|
|
//
|
||
|
|
ASSERT (VolatileFlag);
|
||
|
|
ASSERT (!DeleteFlag);
|
||
|
|
switch (ShellCommandLineGetCount (Package)) {
|
||
|
|
case 1:
|
||
|
|
case 2:
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"alias");
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
//
|
||
|
|
// "alias -v Param1 CleanParam2"
|
||
|
|
//
|
||
|
|
ShellStatus = ShellLevel3CommandsLibSetAlias (CleanParam2, Param1, FALSE, VolatileFlag);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");
|
||
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//
|
||
|
|
// free the command line package
|
||
|
|
//
|
||
|
|
ShellCommandLineFreeVarList (Package);
|
||
|
|
}
|
||
|
|
|
||
|
|
SHELL_FREE_NON_NULL (CleanParam2);
|
||
|
|
return (ShellStatus);
|
||
|
|
}
|