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https://github.com/winfsp/winfsp.git
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inc: winfsp.hpp: catch exceptions from file system operations
This commit is contained in:
Bill Zissimopoulos
parent
367f450e30
commit
763f256e1f
@ -411,32 +411,42 @@ protected:
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private:
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/* FSP_FILE_SYSTEM_INTERFACE */
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#define FSP_FSOP_PROLOG try {
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#define FSP_FSOP_EPILOG } catch (...) { return STATUS_UNEXPECTED_IO_ERROR; }
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#define FSP_FSOP_EPILOG_VOID } catch (...) { return; }
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static NTSTATUS GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem0,
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VOLUME_INFO *VolumeInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->GetVolumeInfo(VolumeInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS SetVolumeLabel_(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR VolumeLabel,
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VOLUME_INFO *VolumeInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->SetVolumeLabel_(VolumeLabel, VolumeInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS GetSecurityByName(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR FileName, PUINT32 PFileAttributes/* or ReparsePointIndex */,
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PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->GetSecurityByName(
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FileName, PFileAttributes, SecurityDescriptor, PSecurityDescriptorSize);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
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UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
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PVOID *FullContext, FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext = { 0 };
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NTSTATUS Result = self->Create(
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@ -445,11 +455,13 @@ private:
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((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext = (UINT64)(UINT_PTR)FileContext.FileNode;
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((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2 = (UINT64)(UINT_PTR)FileContext.FileDesc;
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return Result;
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FSP_FSOP_EPILOG
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}
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static NTSTATUS Open(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
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PVOID *FullContext, FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext = { 0 };
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NTSTATUS Result = self->Open(
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@ -458,83 +470,99 @@ private:
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((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext = (UINT64)(UINT_PTR)FileContext.FileNode;
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((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2 = (UINT64)(UINT_PTR)FileContext.FileDesc;
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return Result;
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FSP_FSOP_EPILOG
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}
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static NTSTATUS Overwrite(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes, UINT64 AllocationSize,
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FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Overwrite(&FileContext, FileAttributes, ReplaceFileAttributes, AllocationSize,
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FileInfo);
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FSP_FSOP_EPILOG
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}
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static VOID Cleanup(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, PWSTR FileName, ULONG Flags)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Cleanup(&FileContext, FileName, (CLEANUP_FLAGS)Flags);
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FSP_FSOP_EPILOG_VOID
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}
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static VOID Close(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Close(&FileContext);
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FSP_FSOP_EPILOG_VOID
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}
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static NTSTATUS Read(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, PVOID Buffer, UINT64 Offset, ULONG Length,
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PULONG PBytesTransferred)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Read(&FileContext, Buffer, Offset, Length, PBytesTransferred);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS Write(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, PVOID Buffer, UINT64 Offset, ULONG Length,
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BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo,
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PULONG PBytesTransferred, FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Write(&FileContext, Buffer, Offset, Length, WriteToEndOfFile, ConstrainedIo,
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PBytesTransferred, FileInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS Flush(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Flush(&FileContext, FileInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS GetFileInfo(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->GetFileInfo(&FileContext, FileInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS SetBasicInfo(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, UINT32 FileAttributes,
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UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime, UINT64 ChangeTime,
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FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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@ -542,121 +570,149 @@ private:
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return self->SetBasicInfo(&FileContext, FileAttributes,
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CreationTime, LastAccessTime, LastWriteTime, ChangeTime,
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FileInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, UINT64 NewSize, BOOLEAN SetAllocationSize,
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FILE_INFO *FileInfo)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->SetFileSize(&FileContext, NewSize, SetAllocationSize, FileInfo);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS CanDelete(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, PWSTR FileName)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->CanDelete(&FileContext, FileName);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS Rename(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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PWSTR FileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->Rename(&FileContext, FileName, NewFileName, ReplaceIfExists);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS GetSecurity(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->GetSecurity(&FileContext, SecurityDescriptor, PSecurityDescriptorSize);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS SetSecurity(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR ModificationDescriptor)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->SetSecurity(&FileContext, SecurityInformation, ModificationDescriptor);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS ReadDirectory(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, PWSTR Pattern, PWSTR Marker,
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PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->ReadDirectory(&FileContext, Pattern, Marker, Buffer, Length, PBytesTransferred);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS ResolveReparsePoints(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR FileName, UINT32 ReparsePointIndex, BOOLEAN ResolveLastPathComponent,
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PIO_STATUS_BLOCK PIoStatus, PVOID Buffer, PSIZE_T PSize)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->ResolveReparsePoints(FileName, ReparsePointIndex, ResolveLastPathComponent,
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PIoStatus, Buffer, PSize);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS GetReparsePointByName(
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FSP_FILE_SYSTEM *FileSystem0, PVOID Context,
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PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->GetReparsePointByName(FileName, IsDirectory, Buffer, PSize);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS GetReparsePoint(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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PWSTR FileName, PVOID Buffer, PSIZE_T PSize)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->GetReparsePoint(&FileContext, FileName, Buffer, PSize);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS SetReparsePoint(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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PWSTR FileName, PVOID Buffer, SIZE_T Size)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->SetReparsePoint(&FileContext, FileName, Buffer, Size);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS DeleteReparsePoint(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext,
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PWSTR FileName, PVOID Buffer, SIZE_T Size)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->DeleteReparsePoint(&FileContext, FileName, Buffer, Size);
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FSP_FSOP_EPILOG
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}
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static NTSTATUS GetStreamInfo(FSP_FILE_SYSTEM *FileSystem0,
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PVOID FullContext, PVOID Buffer, ULONG Length,
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PULONG PBytesTransferred)
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{
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FSP_FSOP_PROLOG
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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FILE_CONTEXT FileContext;
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FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
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FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
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return self->GetStreamInfo(&FileContext, Buffer, Length, PBytesTransferred);
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FSP_FSOP_EPILOG
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}
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#undef FSP_FSOP_PROLOG
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#undef FSP_FSOP_EPILOG
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#undef FSP_FSOP_EPILOG_VOID
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static FSP_FILE_SYSTEM_INTERFACE *Interface()
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{
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static FSP_FILE_SYSTEM_INTERFACE _Interface =
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