winfsp-tests: memfs

tst/winfsp-tests/memfs.c

@@ -0,0 +1,97 @@
+/**
+ * @file memfs.c
+ *
+ * @copyright 2015 Bill Zissimopoulos
+ */
+
+#include "memfs.h"
+
+static NTSTATUS GetSecurity(FSP_FILE_SYSTEM *FileSystem,
+    PWSTR FileName, PDWORD PFileAttributes,
+    PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
+{
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request,
+    FSP_FILE_NODE_INFO *Info)
+{
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS Open(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request,
+    FSP_FILE_NODE_INFO *Info)
+{
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS Overwrite(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request,
+    PVOID FileNode, DWORD FileAttributes, BOOLEAN ReplaceFileAttributes,
+    FSP_FILE_SIZE_INFO *Info)
+{
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+static VOID Cleanup(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request,
+    PVOID FileNode, BOOLEAN Delete)
+{
+}
+
+static VOID Close(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request,
+    PVOID FileNode)
+{
+}
+
+static FSP_FILE_SYSTEM_INTERFACE MemfsInterface =
+{
+    .GetSecurity = GetSecurity,
+    .Create = Create,
+    .Open = Open,
+    .Overwrite = Overwrite,
+    .Cleanup = Cleanup,
+    .Close = Close,
+};
+
+NTSTATUS MemfsCreate(PWSTR DevicePath, ULONG MaxFileNodes, ULONG MaxFileSize,
+    MEMFS **PMemfs)
+{
+    NTSTATUS Result;
+    FSP_FSCTL_VOLUME_PARAMS VolumeParams;
+    MEMFS *Memfs;
+
+    *PMemfs = 0;
+
+    Memfs = malloc(sizeof *Memfs);
+    if (0 == Memfs)
+        return STATUS_INSUFFICIENT_RESOURCES;
+
+    memset(Memfs, 0, sizeof *Memfs);
+    Memfs->MaxFileNodes = MaxFileNodes;
+    Memfs->MaxFileSize = MaxFileSize;
+
+    memset(&VolumeParams, 0, sizeof VolumeParams);
+    VolumeParams.FileNameRequired = TRUE;
+    wcscpy_s(VolumeParams.Prefix, sizeof VolumeParams.Prefix / sizeof(WCHAR), L"\\memfs\\share");
+
+    Result = FspFileSystemCreate(DevicePath, &VolumeParams, &MemfsInterface, &Memfs->FileSystem);
+    if (!NT_SUCCESS(Result))
+    {
+        free(Memfs);
+        return Result;
+    }
+
+    *PMemfs = Memfs;
+
+    return STATUS_SUCCESS;
+}
+
+VOID MemfsDelete(MEMFS *Memfs)
+{
+    FspFileSystemDelete(Memfs->FileSystem);
+    free(Memfs);
+}

tst/winfsp-tests/memfs.h

@@ -0,0 +1,23 @@
+/**
+ * @file memfs.h
+ *
+ * @copyright 2015 Bill Zissimopoulos
+ */
+
+#ifndef MEMFS_H_INCLUDED
+#define MEMFS_H_INCLUDED
+
+#include <winfsp/winfsp.h>
+
+typedef struct _MEMFS
+{
+    FSP_FILE_SYSTEM *FileSystem;
+    ULONG MaxFileNodes;
+    ULONG MaxFileSize;
+} MEMFS;
+
+NTSTATUS MemfsCreate(PWSTR DevicePath, ULONG MaxFileNodes, ULONG MaxFileSize,
+    MEMFS **PMemfs);
+VOID MemfsDelete(MEMFS *Memfs);
+
+#endif