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sys, dll: IRP_MJ_DIRECTORY_CONTROL: implementation

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This commit is contained in:
Bill Zissimopoulos
2016-03-19 13:16:01 -07:00
parent 8870ebc7f0
commit 6fc43c6ca2
11 changed files with 618 additions and 12 deletions
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22
src/sys/driver.h
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@ -268,6 +268,7 @@ FSP_IOCMPL_DISPATCH FspFsvolCloseComplete;
FSP_IOPREP_DISPATCH FspFsvolCreatePrepare;
FSP_IOCMPL_DISPATCH FspFsvolCreateComplete;
FSP_IOCMPL_DISPATCH FspFsvolDeviceControlComplete;
FSP_IOPREP_DISPATCH FspFsvolDirectoryControlPrepare;
FSP_IOCMPL_DISPATCH FspFsvolDirectoryControlComplete;
FSP_IOCMPL_DISPATCH FspFsvolFileSystemControlComplete;
FSP_IOCMPL_DISPATCH FspFsvolFlushBuffersComplete;
@ -624,6 +625,8 @@ enum
{
FspFsvolDeviceSecurityCacheCapacity = 100,
FspFsvolDeviceSecurityCacheItemSizeMax = 4096,
FspFsvolDeviceDirInfoCacheCapacity = 100,
FspFsvolDeviceDirInfoCacheItemSizeMax = 16384,
};
typedef struct
{
@ -660,8 +663,8 @@ typedef struct
typedef struct
{
FSP_DEVICE_EXTENSION Base;
UINT32 InitDoneFsvrt:1, InitDoneDelRsc:1, InitDoneIoq:1, InitDoneSec:1, InitDoneCtxTab:1,
InitDoneTimer:1, InitDoneInfo:1;
UINT32 InitDoneFsvrt:1, InitDoneDelRsc:1, InitDoneIoq:1, InitDoneSec:1, InitDoneDir:1,
InitDoneCtxTab:1, InitDoneTimer:1, InitDoneInfo:1;
PDEVICE_OBJECT FsctlDeviceObject;
PDEVICE_OBJECT FsvrtDeviceObject;
HANDLE MupHandle;
@ -672,6 +675,7 @@ typedef struct
UNICODE_STRING VolumePrefix;
FSP_IOQ *Ioq;
FSP_META_CACHE *SecurityCache;
FSP_META_CACHE *DirInfoCache;
KSPIN_LOCK ExpirationLock;
WORK_QUEUE_ITEM ExpirationWorkItem;
BOOLEAN ExpirationInProgress;
@ -781,6 +785,8 @@ typedef struct
ERESOURCE PagingIoResource;
FAST_MUTEX HeaderFastMutex;
SECTION_OBJECT_POINTERS SectionObjectPointers;
KSPIN_LOCK DirInfoSpinLock;
UINT64 DirInfo; /* allows to invalidate DirInfo w/o resources acquired */
} FSP_FILE_NODE_NONPAGED;
typedef struct
{
@ -808,6 +814,7 @@ typedef struct
ULONG InfoChangeNumber;
UINT64 Security;
ULONG SecurityChangeNumber;
ULONG DirInfoChangeNumber;
BOOLEAN TruncateOnClose;
union
{
@ -827,6 +834,8 @@ typedef struct
FSP_FILE_NODE *FileNode;
UINT64 UserContext2;
BOOLEAN DeleteOnClose;
UNICODE_STRING QueryFileName;
UINT64 QueryOffset;
} FSP_FILE_DESC;
NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
ULONG ExtraSize, FSP_FILE_NODE **PFileNode);
@ -872,8 +881,15 @@ BOOLEAN FspFileNodeReferenceSecurity(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, P
VOID FspFileNodeSetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size);
BOOLEAN FspFileNodeTrySetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size,
ULONG SecurityChangeNumber);
BOOLEAN FspFileNodeReferenceDirInfo(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, PULONG PSize);
VOID FspFileNodeSetDirInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size);
BOOLEAN FspFileNodeTrySetDirInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size,
ULONG DirInfoChangeNumber);
VOID FspFileNodeInvalidateParentDirInfo(FSP_FILE_NODE *FileNode);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
NTSTATUS FspFileDescResetQueryFileName(FSP_FILE_DESC *FileDesc,
PUNICODE_STRING FileName, BOOLEAN Reset);
#define FspFileNodeAcquireShared(N,F) FspFileNodeAcquireSharedF(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireShared(N,F) FspFileNodeTryAcquireSharedF(N, FspFileNodeAcquire ## F, FALSE)
#define FspFileNodeAcquireExclusive(N,F) FspFileNodeAcquireExclusiveF(N, FspFileNodeAcquire ## F)
@ -883,6 +899,7 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#define FspFileNodeRelease(N,F) FspFileNodeReleaseF(N, FspFileNodeAcquire ## F)
#define FspFileNodeReleaseOwner(N,F,P) FspFileNodeReleaseOwnerF(N, FspFileNodeAcquire ## F, P)
#define FspFileNodeDereferenceSecurity(P) FspMetaCacheDereferenceItemBuffer(P)
#define FspFileNodeDereferenceDirInfo(P) FspMetaCacheDereferenceItemBuffer(P)
/* debug */
#if DBG
@ -919,6 +936,7 @@ extern FAST_IO_DISPATCH FspFastIoDispatch;
extern CACHE_MANAGER_CALLBACKS FspCacheManagerCallbacks;
extern FSP_IOPREP_DISPATCH *FspIopPrepareFunction[];
extern FSP_IOCMPL_DISPATCH *FspIopCompleteFunction[];
extern WCHAR FspFileDescQueryFileNameMatchAll[];
/* multiversion support */
typedef