diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c new file mode 100644 index 0000000000..3688a503a7 --- /dev/null +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c @@ -0,0 +1,256 @@ +/** @file
+ Main file for vol shell level 2 function.
+
+ Copyright (c) 2011, 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"
+#include <Guid/FileSystemInfo.h>
+#include <Guid/FileSystemVolumeLabelInfo.h>
+
+/**
+ Print the info or change the volume info.
+
+ @param[in] Path String with starting path.
+ @param[in] Delete TRUE to delete the volume label. FALSE otherwise.
+ @param[in] Name New name to set to the volume label.
+
+ @retval SHELL_SUCCESS The operation was sucessful.
+**/
+SHELL_STATUS
+EFIAPI
+HandleVol(
+ IN CONST CHAR16 *Path,
+ IN CONST BOOLEAN Delete,
+ IN CONST CHAR16 *Name
+ )
+{
+ EFI_STATUS Status;
+ SHELL_STATUS ShellStatus;
+ EFI_FILE_SYSTEM_INFO *SysInfo;
+ UINTN SysInfoSize;
+ SHELL_FILE_HANDLE ShellFileHandle;
+ EFI_FILE_PROTOCOL *EfiFpHandle;
+ UINTN Size1;
+ UINTN Size2;
+
+ ShellStatus = SHELL_SUCCESS;
+
+ Status = gEfiShellProtocol->OpenFileByName(
+ Path,
+ &ShellFileHandle,
+ Name != NULL?EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE:EFI_FILE_MODE_READ);
+
+ if (EFI_ERROR(Status) || ShellFileHandle == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, Path);
+ ShellStatus = SHELL_ACCESS_DENIED;
+ return (ShellStatus);
+ }
+
+ //
+ // Get the Volume Info from ShellFileHandle
+ //
+ SysInfo = NULL;
+ SysInfoSize = 0;
+ EfiFpHandle = ConvertShellHandleToEfiFileProtocol(ShellFileHandle);
+ Status = EfiFpHandle->GetInfo(
+ EfiFpHandle,
+ &gEfiFileSystemInfoGuid,
+ &SysInfoSize,
+ SysInfo);
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ SysInfo = AllocateZeroPool(SysInfoSize);
+ Status = EfiFpHandle->GetInfo(
+ EfiFpHandle,
+ &gEfiFileSystemInfoGuid,
+ &SysInfoSize,
+ SysInfo);
+ }
+
+ if (Delete) {
+ StrCpy ((CHAR16 *) SysInfo->VolumeLabel, L"");
+ SysInfo->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize(SysInfo->VolumeLabel);
+ Status = EfiFpHandle->SetInfo(
+ EfiFpHandle,
+ &gEfiFileSystemInfoGuid,
+ (UINTN)SysInfo->Size,
+ SysInfo);
+ } else if (Name != NULL) {
+ Size1 = StrSize(Name);
+ Size2 = StrSize(SysInfo->VolumeLabel);
+ if (Size1 > Size2) {
+ SysInfo = ReallocatePool((UINTN)SysInfo->Size, (UINTN)SysInfo->Size + Size1 - Size2, SysInfo);
+ }
+ StrCpy ((CHAR16 *) SysInfo->VolumeLabel, Name);
+ SysInfo->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + Size1;
+ Status = EfiFpHandle->SetInfo(
+ EfiFpHandle,
+ &gEfiFileSystemInfoGuid,
+ (UINTN)SysInfo->Size,
+ SysInfo);
+ }
+
+ FreePool(SysInfo);
+
+ if (Delete || Name != NULL) {
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_AD), gShellLevel2HiiHandle, Path);
+ ShellStatus = SHELL_ACCESS_DENIED;
+ }
+ }
+
+ SysInfo = AllocateZeroPool(SysInfoSize);
+ Status = EfiFpHandle->GetInfo(
+ EfiFpHandle,
+ &gEfiFileSystemInfoGuid,
+ &SysInfoSize,
+ SysInfo);
+
+ gEfiShellProtocol->CloseFile(ShellFileHandle);
+
+ //
+ // print VolumeInfo table
+ //
+ ShellPrintHiiEx (
+ 0,
+ gST->ConOut->Mode->CursorRow,
+ NULL,
+ STRING_TOKEN (STR_VOL_VOLINFO),
+ gShellLevel2HiiHandle,
+ SysInfo->VolumeLabel,
+ SysInfo->ReadOnly?L"r":L"rw",
+ SysInfo->VolumeSize,
+ SysInfo->FreeSpace,
+ SysInfo->BlockSize
+ );
+ SHELL_FREE_NON_NULL(SysInfo);
+
+ return (ShellStatus);
+}
+
+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
+ {L"-d", TypeFlag},
+ {L"-n", TypeValue},
+ {NULL, TypeMax}
+ };
+
+/**
+ Function for 'Vol' 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
+ShellCommandRunVol (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Package;
+ CHAR16 *ProblemParam;
+ SHELL_STATUS ShellStatus;
+ CONST CHAR16 *PathName;
+ CONST CHAR16 *CurDir;
+ BOOLEAN DeleteMode;
+ CHAR16 *FullPath;
+ UINTN Length;
+
+ Length = 0;
+ ProblemParam = NULL;
+ ShellStatus = SHELL_SUCCESS;
+ PathName = NULL;
+ CurDir = NULL;
+ FullPath = NULL;
+
+ //
+ // initialize the shell lib (we must be in non-auto-init...)
+ //
+ Status = ShellInitialize();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // Fix local copies of the protocol pointers
+ //
+ 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), gShellLevel2HiiHandle, ProblemParam);
+ FreePool(ProblemParam);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ //
+ // check for "-?"
+ //
+ if (ShellCommandLineGetFlag(Package, L"-?")) {
+ ASSERT(FALSE);
+ }
+
+ if (ShellCommandLineGetCount(Package) > 2) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ PathName = ShellCommandLineGetRawValue(Package, 1);
+ if (PathName == NULL) {
+ CurDir = gEfiShellProtocol->GetCurDir(NULL);
+ if (CurDir == NULL) {
+ ShellStatus = SHELL_NOT_FOUND;
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);
+ } else {
+ PathName = CurDir;
+ }
+ }
+ if (PathName != NULL) {
+ StrnCatGrow(&FullPath, &Length, PathName, StrStr(PathName, L"\\")==NULL?0:StrStr(PathName, L"\\")-PathName+1);
+ if (StrStr(FullPath, L":\\") == NULL) {
+ StrnCatGrow(&FullPath, &Length, L":\\", 0);
+ }
+ DeleteMode = ShellCommandLineGetFlag(Package, L"-d");
+ if (DeleteMode && ShellCommandLineGetFlag(Package, L"-n")) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CON), gShellLevel2HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetFlag(Package, L"-n") && ShellCommandLineGetValue(Package, L"-n") == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"-n");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetValue(Package, L"-n") != NULL && StrLen(ShellCommandLineGetValue(Package, L"-n")) > 11) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel2HiiHandle, L"-n");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellStatus == SHELL_SUCCESS) {
+ ShellStatus = HandleVol(
+ FullPath,
+ DeleteMode,
+ ShellCommandLineGetValue(Package, L"-n")
+ );
+ }
+ }
+ }
+ }
+
+ SHELL_FREE_NON_NULL(FullPath);
+
+ //
+ // free the command line package
+ //
+ ShellCommandLineFreeVarList (Package);
+
+ return (ShellStatus);
+}
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