| /** @file | |
| Main file for attrib shell level 2 function. | |
| Copyright (c) 2009 - 2013, 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 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; | |
| CONST CHAR16 *Directory; | |
| CHAR16 *Path; | |
| CHAR16 *Drive; | |
| UINTN DriveSize; | |
| CHAR16 *ProblemParam; | |
| SHELL_STATUS ShellStatus; | |
| SHELL_FILE_HANDLE Handle; | |
| CONST CHAR16 *Param1; | |
| CHAR16 *Param1Copy; | |
| ProblemParam = NULL; | |
| ShellStatus = SHELL_SUCCESS; | |
| Drive = NULL; | |
| DriveSize = 0; | |
| Status = CommandInit(); | |
| ASSERT_EFI_ERROR(Status); | |
| // | |
| // initialize the shell lib (we must be in non-auto-init...) | |
| // | |
| Status = ShellInitialize(); | |
| ASSERT_EFI_ERROR(Status); | |
| // | |
| // 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, 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); | |
| 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 | |
| // | |
| Param1 = ShellCommandLineGetRawValue(Package, 1); | |
| if (Param1 == NULL) { | |
| // | |
| // display the current directory | |
| // | |
| Directory = ShellGetCurrentDir(NULL); | |
| if (Directory != NULL) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_PRINT), gShellLevel2HiiHandle, Directory); | |
| } else { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } | |
| } else { | |
| Param1Copy = CatSPrint(NULL, L"%s", Param1, NULL); | |
| if (Param1Copy != NULL) { | |
| Param1Copy = PathCleanUpDirectories(Param1Copy); | |
| } | |
| if (Param1Copy != NULL) { | |
| if (StrCmp(Param1Copy, L".") == 0) { | |
| // | |
| // nothing to do... change to current directory | |
| // | |
| } else if (StrCmp(Param1Copy, L"..") == 0) { | |
| // | |
| // Change up one directory... | |
| // | |
| Directory = ShellGetCurrentDir(NULL); | |
| if (Directory == NULL) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else { | |
| Drive = GetFullyQualifiedPath(Directory); | |
| PathRemoveLastItem(Drive); | |
| } | |
| if (ShellStatus == SHELL_SUCCESS && Drive != NULL) { | |
| // | |
| // change directory on current drive letter | |
| // | |
| Status = gEfiShellProtocol->SetCurDir(NULL, Drive); | |
| if (Status == EFI_NOT_FOUND) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } | |
| } | |
| } else if (StrCmp(Param1Copy, L"\\") == 0) { | |
| // | |
| // Move to root of current drive | |
| // | |
| Directory = ShellGetCurrentDir(NULL); | |
| if (Directory == NULL) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else { | |
| Drive = GetFullyQualifiedPath(Directory); | |
| while (PathRemoveLastItem(Drive)) ; | |
| } | |
| if (ShellStatus == SHELL_SUCCESS && Drive != NULL) { | |
| // | |
| // change directory on current drive letter | |
| // | |
| Status = gEfiShellProtocol->SetCurDir(NULL, Drive); | |
| if (Status == EFI_NOT_FOUND) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } | |
| } | |
| } else if (StrStr(Param1Copy, L":") == NULL) { | |
| // | |
| // change directory without a drive identifier | |
| // | |
| if (ShellGetCurrentDir(NULL) == NULL) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else { | |
| ASSERT((Drive == NULL && DriveSize == 0) || (Drive != NULL)); | |
| Drive = StrnCatGrow(&Drive, &DriveSize, ShellGetCurrentDir(NULL), 0); | |
| if (*Param1Copy == L'\\') { | |
| while (PathRemoveLastItem(Drive)) ; | |
| Drive = StrnCatGrow(&Drive, &DriveSize, Param1Copy+1, 0); | |
| } else { | |
| Drive = StrnCatGrow(&Drive, &DriveSize, Param1Copy, 0); | |
| } | |
| // | |
| // Verify that this is a valid directory | |
| // | |
| Status = gEfiShellProtocol->OpenFileByName(Drive, &Handle, EFI_FILE_MODE_READ); | |
| if (EFI_ERROR(Status)) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, Drive); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else if (EFI_ERROR(FileHandleIsDirectory(Handle))) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, Drive); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } | |
| if (ShellStatus == SHELL_SUCCESS && Drive != NULL) { | |
| // | |
| // change directory on current drive letter | |
| // | |
| Status = gEfiShellProtocol->SetCurDir(NULL, Drive); | |
| if (Status == EFI_NOT_FOUND) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } | |
| } | |
| if (Handle != NULL) { | |
| gEfiShellProtocol->CloseFile(Handle); | |
| DEBUG_CODE(Handle = NULL;); | |
| } | |
| } | |
| } else { | |
| // | |
| // change directory with a drive letter | |
| // | |
| Drive = AllocateZeroPool(StrSize(Param1Copy)); | |
| if (Drive == NULL) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_OUT_OF_RESOURCES; | |
| } else { | |
| Drive = StrCpy(Drive, Param1Copy); | |
| Path = StrStr(Drive, L":"); | |
| ASSERT(Path != NULL); | |
| if (EFI_ERROR(ShellIsDirectory(Param1Copy))) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, Param1Copy); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else if (*(Path+1) == CHAR_NULL) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else { | |
| *(Path+1) = CHAR_NULL; | |
| if (Path == Drive + StrLen(Drive)) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } else { | |
| Status = gEfiShellProtocol->SetCurDir(Drive, Path+2); | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_PRINT), gShellLevel2HiiHandle, ShellGetCurrentDir(Drive)); | |
| } | |
| } | |
| if (Status == EFI_NOT_FOUND) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle); | |
| Status = SHELL_NOT_FOUND; | |
| } else if (EFI_ERROR(Status)) { | |
| ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, Param1Copy); | |
| Status = SHELL_NOT_FOUND; | |
| } | |
| } | |
| } | |
| } | |
| FreePool(Param1Copy); | |
| } | |
| } | |
| if (Drive != NULL) { | |
| FreePool(Drive); | |
| } | |
| // | |
| // free the command line package | |
| // | |
| ShellCommandLineFreeVarList (Package); | |
| // | |
| // return the status | |
| // | |
| return (ShellStatus); | |
| } | |