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sys: IRP_MJ_QUERY_SECURITY

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This commit is contained in:
Bill Zissimopoulos
2016-02-18 15:54:52 -08:00
parent 3cfdfba64c
commit e7cef94507
6 changed files with 218 additions and 12 deletions
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41
src/sys/file.c
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@ -27,6 +27,10 @@ VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber);
BOOLEAN FspFileNodeReferenceSecurity(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, PULONG PSize);
VOID FspFileNodeSetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size);
BOOLEAN FspFileNodeTrySetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size,
ULONG SecurityChangeNumber);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
@ -47,6 +51,9 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#pragma alloc_text(PAGE, FspFileNodeTryGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeSetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTrySetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeReferenceSecurity)
#pragma alloc_text(PAGE, FspFileNodeSetSecurity)
#pragma alloc_text(PAGE, FspFileNodeTrySetSecurity)
#pragma alloc_text(PAGE, FspFileDescCreate)
#pragma alloc_text(PAGE, FspFileDescDelete)
#endif
@ -471,6 +478,40 @@ BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileOb
return TRUE;
}
BOOLEAN FspFileNodeReferenceSecurity(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, PULONG PSize)
{
PAGED_CODE();
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject);
return FspMetaCacheReferenceItemBuffer(FsvolDeviceExtension->SecurityCache,
FileNode->Security, PBuffer, PSize);
}
VOID FspFileNodeSetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size)
{
PAGED_CODE();
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject);
FspMetaCacheInvalidateItem(FsvolDeviceExtension->SecurityCache, FileNode->Security);
FileNode->Security = FspMetaCacheAddItem(FsvolDeviceExtension->SecurityCache, Buffer, Size);
}
BOOLEAN FspFileNodeTrySetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size,
ULONG SecurityChangeNumber)
{
PAGED_CODE();
if (FileNode->SecurityChangeNumber != SecurityChangeNumber)
return FALSE;
FspFileNodeSetSecurity(FileNode, Buffer, Size);
return TRUE;
}
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc)
{
PAGED_CODE();