/** @file Main file for Alias shell level 3 function. (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> Copyright (c) 2009 - 2016, 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 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; CONST CHAR16 *Command; CHAR16 *Walker; BOOLEAN Volatile; Volatile = FALSE; 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; } Command = gEfiShellProtocol->GetAlias(Alias, &Volatile); if (ShellCommandIsOnAliasList(Alias)) { Volatile = FALSE; } ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile?L' ':L'*', Alias, Command); } while (Walker != NULL && Walker[0] != CHAR_NULL); FreePool(Alias); return (SHELL_SUCCESS); } STATIC CONST SHELL_PARAM_ITEM ParamList[] = { {L"-v", TypeFlag}, {L"-d", TypeFlag}, {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; CHAR16 *CleanParam2; CONST CHAR16 *ConstAliasVal; BOOLEAN Volatile; 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); if (Param2 != NULL) { CleanParam2 = AllocateCopyPool (StrSize(Param2), Param2); if (CleanParam2 == NULL) { 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])); } } // // check for "-?" // if (ShellCommandLineGetFlag(Package, L"-?")) { ASSERT(FALSE); } if (ShellCommandLineGetCount(Package) == 1) { // // print out alias' // Status = PrintAllShellAlias(); } else if (ShellCommandLineGetFlag(Package, L"-d")) { // // delete an alias // Status = gEfiShellProtocol->SetAlias(Param1, NULL, TRUE, FALSE); } else if (ShellCommandLineGetCount(Package) == 3) { // // must be adding an alias // Status = gEfiShellProtocol->SetAlias(CleanParam2, Param1, FALSE, ShellCommandLineGetFlag(Package, L"-v")); 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 { ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel3HiiHandle, L"alias", Status); ShellStatus = SHELL_DEVICE_ERROR; } } } else if (ShellCommandLineGetCount(Package) == 2) { // // print out a single alias // ConstAliasVal = gEfiShellProtocol->GetAlias(Param1, &Volatile); if (ConstAliasVal == NULL) { ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"alias", Param1); ShellStatus = SHELL_INVALID_PARAMETER; } else { if (ShellCommandIsOnAliasList(Param1)) { Volatile = FALSE; } ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile?L' ':L'*', Param1, ConstAliasVal); } } else { 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); }