276 lines
8 KiB
C
276 lines
8 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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backup.h
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Abstract:
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Private header for....
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Routines to control backup during install process
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And restore of an old install process
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(See also backup.c)
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Author:
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Jamie Hunter (jamiehun) 13-Jan-1997
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Revision History:
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--*/
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typedef struct _SP_TARGET_ENT {
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//
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// Used for backup and unwind-backup
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// Data of TargetLookupTable of a file Queue
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//
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// this file information (strings in StringTable)
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LONG TargetRoot;
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LONG TargetSubDir;
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LONG TargetFilename;
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// where file is, or is-to-be backed up (strings in StringTable)
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LONG BackupRoot;
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LONG BackupSubDir;
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LONG BackupFilename;
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// if file has been renamed, what the new target is (string in TargetLookupTable)
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LONG NewTargetFilename;
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// Various flags as needed
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DWORD InternalFlags;
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// security attributes etc
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// (jamiehun TODO)
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} SP_TARGET_ENT, *PSP_TARGET_ENT;
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typedef struct _SP_UNWIND_NODE {
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//
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// List of things to unwind, FILO
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//
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struct _SP_UNWIND_NODE *NextNode;
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LONG TargetID; // TargetID to use for UNWIND
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PSECURITY_DESCRIPTOR SecurityDesc; // Security descriptor to apply
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FILETIME CreateTime; // Time stamps to apply
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FILETIME AccessTime;
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FILETIME WriteTime;
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} SP_UNWIND_NODE, *PSP_UNWIND_NODE;
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typedef struct _SP_DELAYMOVE_NODE {
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//
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// List of things to rename, FIFO
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//
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struct _SP_DELAYMOVE_NODE *NextNode;
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LONG SourceFilename; // What to rename
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LONG TargetFilename; // what to rename to
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DWORD SecurityDesc; // security descriptor index in the string table
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BOOL TargetIsProtected; // target file is a protected system file
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} SP_DELAYMOVE_NODE, *PSP_DELAYMOVE_NODE;
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#define SP_BKFLG_LATEBACKUP (1) // backup only if file is modified in any way
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#define SP_BKFLG_PREBACKUP (2) // backup uninstall files first
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#define SP_BKFLG_CALLBACK (4) // flag, indicating app should be callback aware
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#define SP_TEFLG_SAVED (0x00000001) // set if file already copied/moved to backup
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#define SP_TEFLG_TEMPNAME (0x00000002) // set if backup is temporary file
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#define SP_TEFLG_ORIGNAME (0x00000004) // set if backup specifies an original name
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#define SP_TEFLG_MODIFIED (0x00000008) // set if target has been modified/deleted (backup has original)
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#define SP_TEFLG_MOVED (0x00000010) // set if target has been moved (to NewTargetFilename)
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#define SP_TEFLG_BACKUPQUEUE (0x00000020) // set if backup queued in backup sub-queue
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#define SP_TEFLG_RESTORED (0x00000040) // set if file already restored during unwind operation
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#define SP_TEFLG_UNWIND (0x00000080) // set if file added to unwind list
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#define SP_TEFLG_SKIPPED (0x00000100) // we didn't manage to back it up, we cannot back it up, we should not try again
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#define SP_TEFLG_INUSE (0x00000200) // while backing up, we determined we cannot backup file because it cannot be read
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#define SP_TEFLG_RENAMEEXISTING (0x00000400) // rename existing file to temp filename in same directory.
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#define SP_TEFLG_PRUNE_COPY (0x00010000) // set during file pruning, detected this file is on copy queue
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#define SP_TEFLG_PRUNE_DEL (0x00020000) // set during file pruning, detected this file is on delete queue
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#define SP_TEFLG_PRUNE_RENSRC (0x00040000) // set during file pruning, detected this file is on rename queue
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#define SP_TEFLG_PRUNE_RENTARG (0x00080000) // file RENSRC is renamed to RENTARG
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#define SP_BACKUP_DRIVERFILES TEXT("DriverFiles")
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#define SP_BACKUP_OLDFILES TEXT("Temp") // relative to the windows directory
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#define SP_LASTGOOD_NAME TEXT("LastGood")
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//
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// these are private routines
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//
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DWORD
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pSetupQueueBackupCopy(
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IN HSPFILEQ QueueHandle,
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IN LONG TargetRootPath,
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IN LONG TargetSubDir, OPTIONAL
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IN LONG TargetFilename,
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IN LONG BackupRootPath,
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IN LONG BackupSubDir, OPTIONAL
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IN LONG BackupFilename
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);
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BOOL
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pSetupGetFullBackupPath(
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OUT PTSTR FullPath,
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IN PCTSTR Path,
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IN UINT TargetBufferSize,
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OUT PUINT RequiredSize OPTIONAL
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);
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DWORD
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pSetupBackupCopyString(
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IN PVOID DestStringTable,
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OUT PLONG DestStringID,
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IN PVOID SrcStringTable,
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IN LONG SrcStringID
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);
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DWORD
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pSetupBackupGetTargetByPath(
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IN HSPFILEQ QueueHandle,
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IN PVOID PathStringTable, OPTIONAL
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IN PCTSTR TargetPath, OPTIONAL
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IN LONG TargetRoot,
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IN LONG TargetSubDir, OPTIONAL
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IN LONG TargetFilename,
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OUT PLONG TableID, OPTIONAL
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OUT PSP_TARGET_ENT TargetInfo
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);
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DWORD
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pSetupBackupGetTargetByID(
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IN HSPFILEQ QueueHandle,
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IN LONG TableID,
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OUT PSP_TARGET_ENT TargetInfo
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);
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DWORD
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pSetupBackupSetTargetByID(
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IN HSPFILEQ QueueHandle,
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IN LONG TableID,
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IN PSP_TARGET_ENT TargetInfo
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);
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BOOL
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pSetupResetTarget(
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IN PVOID StringTable,
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IN LONG StringId,
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IN PCTSTR String, OPTIONAL
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IN PVOID ExtraData,
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IN UINT ExtraDataSize,
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IN LPARAM lParam
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);
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DWORD
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pSetupBackupAppendFiles(
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IN HSPFILEQ TargetQueueHandle,
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IN PCTSTR BackupSubDir,
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IN DWORD BackupFlags,
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IN HSPFILEQ SourceQueueHandle OPTIONAL
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);
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DWORD
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pSetupBackupFile(
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IN HSPFILEQ QueueHandle,
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IN PCTSTR TargetPath,
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IN PCTSTR BackupPath,
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IN LONG TargetID, OPTIONAL
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IN LONG TargetRootPath,
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IN LONG TargetSubDir,
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IN LONG TargetFilename,
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IN LONG BackupRootPath,
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IN LONG BackupSubDir,
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IN LONG BackupFilename,
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BOOL *DelayedBackup
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);
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VOID
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pSetupDeleteBackup(
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IN PCTSTR BackupInstance
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);
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DWORD
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pSetupGetCurrentlyInstalledDriverNode(
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IN HDEVINFO DeviceInfoSet,
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IN OUT PSP_DEVINFO_DATA DeviceInfoData
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);
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DWORD
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pSetupGetBackupQueue(
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IN PCTSTR DeviceID,
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IN OUT HSPFILEQ FileQueue,
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IN DWORD BackupFlags
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);
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BOOL
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PostDelayedMove(
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IN struct _SP_FILE_QUEUE *Queue,
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IN PCTSTR CurrentName,
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IN PCTSTR NewName, OPTIONAL
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IN DWORD SecurityDesc,
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IN BOOL TargetIsProtected
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);
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BOOL
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UnPostDelayedMove(
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IN struct _SP_FILE_QUEUE *Queue,
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IN PCTSTR CurrentName,
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IN PCTSTR NewName OPTIONAL
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);
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DWORD
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DoAllDelayedMoves(
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IN struct _SP_FILE_QUEUE *Queue
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);
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DWORD
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pSetupCompleteBackup(
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IN OUT HSPFILEQ FileQueue
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);
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VOID
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pSetupUnwindAll(
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IN struct _SP_FILE_QUEUE *Queue,
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IN BOOL Succeeded
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);
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VOID
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pSetupCleanupBackup(
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IN struct _SP_FILE_QUEUE *Queue
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);
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VOID
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RestoreRenamedOrBackedUpFile(
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IN PCTSTR TargetFilename,
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IN PCTSTR CurrentFilename,
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IN BOOL RenameFile,
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IN PSETUP_LOG_CONTEXT LogContext OPTIONAL
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);
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DWORD
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pSetupDoLastKnownGoodBackup(
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IN struct _SP_FILE_QUEUE *Queue, OPTIONAL
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IN PCTSTR TargetFilename,
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IN DWORD Flags,
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IN PSETUP_LOG_CONTEXT LogContext OPTIONAL
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);
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BOOL
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pSetupRestoreLastKnownGoodFile(
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IN PCTSTR TargetFilename,
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IN DWORD Flags,
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IN PSETUP_LOG_CONTEXT LogContext OPTIONAL
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);
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#define SP_LKG_FLAG_FORCECOPY 0x00000001 // if set, turns copy safety-guards off
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#define SP_LKG_FLAG_DELETEIFNEW 0x00000002 // if set, writes a delete entry for new files
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#define SP_LKG_FLAG_DELETEEXISTING 0x00000004 // if set, writes a delete entry for existing files
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#define SP_LKG_FLAG_DELETEOP 0x00000008 // if set, caller is deleting (or renaming) a file
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