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https://github.com/winfsp/winfsp.git
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b4c39f656c
The FUSE implementation of ReadDirectory issues readdir followed by a slew of getattr. In the current implementation if a getattr fails the whole readdir operation fails. This commit adds the ability to invalidate individual entries in the directory buffer. Entries for which getattr fails are now marked invalid rather than fail the overall ReadDirectory operation. See #292
117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/**
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* @file dll/library.h
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*
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* @copyright 2015-2020 Bill Zissimopoulos
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*/
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/*
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* This file is part of WinFsp.
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*
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* You can redistribute it and/or modify it under the terms of the GNU
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* General Public License version 3 as published by the Free Software
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* Foundation.
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*
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* Licensees holding a valid commercial license may use this software
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* in accordance with the commercial license agreement provided in
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* conjunction with the software. The terms and conditions of any such
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* commercial license agreement shall govern, supersede, and render
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* ineffective any application of the GPLv3 license to this software,
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* notwithstanding of any reference thereto in the software or
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* associated repository.
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*/
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#ifndef WINFSP_DLL_LIBRARY_H_INCLUDED
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#define WINFSP_DLL_LIBRARY_H_INCLUDED
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#define WINFSP_DLL_INTERNAL
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#include <winfsp/winfsp.h>
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#include <winfsp/launch.h>
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#include <shared/um/minimal.h>
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#include <strsafe.h>
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#include <shared/ku/config.h>
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#define LIBRARY_NAME "WinFsp"
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/* DEBUGLOG */
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#if !defined(NDEBUG)
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#define DEBUGLOG(fmt, ...) \
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FspDebugLog("[U] " LIBRARY_NAME "!" __FUNCTION__ ": " fmt "\n", __VA_ARGS__)
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#define DEBUGLOGSD(fmt, SD) \
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FspDebugLogSD("[U] " LIBRARY_NAME "!" __FUNCTION__ ": " fmt "\n", SD)
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#define DEBUGLOGSID(fmt, Sid) \
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FspDebugLogSid("[U] " LIBRARY_NAME "!" __FUNCTION__ ": " fmt "\n", Sid)
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#else
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#define DEBUGLOG(fmt, ...) ((void)0)
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#define DEBUGLOGSD(fmt, SD) ((void)0)
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#define DEBUGLOGSID(fmt, Sid) ((void)0)
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#endif
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VOID FspWksidFinalize(BOOLEAN Dynamic);
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VOID FspPosixFinalize(BOOLEAN Dynamic);
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VOID FspEventLogFinalize(BOOLEAN Dynamic);
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VOID FspFileSystemFinalize(BOOLEAN Dynamic);
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VOID FspServiceFinalize(BOOLEAN Dynamic);
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VOID fsp_fuse_finalize(BOOLEAN Dynamic);
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VOID fsp_fuse_finalize_thread(VOID);
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NTSTATUS FspFsctlRegister(VOID);
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NTSTATUS FspFsctlUnregister(VOID);
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NTSTATUS FspNpRegister(VOID);
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NTSTATUS FspNpUnregister(VOID);
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NTSTATUS FspEventLogRegister(VOID);
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NTSTATUS FspEventLogUnregister(VOID);
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PSID FspWksidNew(WELL_KNOWN_SID_TYPE WellKnownSidType, PNTSTATUS PResult);
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PSID FspWksidGet(WELL_KNOWN_SID_TYPE WellKnownSidType);
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PWSTR FspDiagIdent(VOID);
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#define FspFileSystemDirectoryBufferEntryInvalid ((ULONG)-1)
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VOID FspFileSystemPeekInDirectoryBuffer(PVOID *PDirBuffer,
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PUINT8 *PBuffer, PULONG *PIndex, PULONG PCount);
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BOOL WINAPI FspServiceConsoleCtrlHandler(DWORD CtrlType);
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static inline ULONG FspPathSuffixIndex(PWSTR FileName)
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{
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WCHAR Root[2] = L"\\";
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PWSTR Remain, Suffix;
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ULONG Result;
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FspPathSuffix(FileName, &Remain, &Suffix, Root);
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Result = Remain == Root ? 0 : (ULONG)(Suffix - Remain);
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FspPathCombine(FileName, Suffix);
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return Result;
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}
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static inline BOOLEAN FspPathIsDrive(PWSTR FileName)
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{
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return
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(
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(L'A' <= FileName[0] && FileName[0] <= L'Z') ||
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(L'a' <= FileName[0] && FileName[0] <= L'z')
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) &&
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L':' == FileName[1] && L'\0' == FileName[2];
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}
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static inline BOOLEAN FspPathIsMountmgrMountPoint(PWSTR FileName)
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{
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return
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(
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L'\\' == FileName[0] &&
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L'\\' == FileName[1] &&
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(L'?' == FileName[2] || L'.' == FileName[2]) &&
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L'\\' == FileName[3]
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) &&
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(
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(L'A' <= FileName[4] && FileName[4] <= L'Z') ||
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(L'a' <= FileName[4] && FileName[4] <= L'z')
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) &&
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L':' == FileName[5];
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}
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#define FSP_NEXT_EA(Ea, EaEnd) \
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(0 != (Ea)->NextEntryOffset ? (PVOID)((PUINT8)(Ea) + (Ea)->NextEntryOffset) : (EaEnd))
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#endif
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