Shadow copy API - Original work by "Ken Cross" <kcross@nssolutions.com>, adapted

into a patch by "Stefan (metze) Metzmacher" <metze@metzemix.de>.
Jeremy.
(This used to be commit ce5c91d35dabc5ff6fb3df2b259ed186d6a7e0da)

7 files changed, 221 insertions, 55 deletions

diff --git a/source3/include/ntioctl.h b/source3/include/ntioctl.h
index 17791fde18..9814c88e5e 100644
--- a/source3/include/ntioctl.h
+++ b/source3/include/ntioctl.h
@@ -23,6 +23,8 @@
   we only need the sparse flag
 */
 
+#ifndef _NTIOCTL_H
+#define _NTIOCTL_H
 
 /* IOCTL information */
 /* List of ioctl function codes that look to be of interest to remote clients like this. */
@@ -53,6 +55,8 @@
 #define FSCTL_SIS_COPYFILE           0x00090100
 #define FSCTL_SIS_LINK_FILES         0x0009C104
 
+#define FSCTL_GET_SHADOW_COPY_DATA   0x00144064   /* KJC -- Shadow Copy information */
+
 #if 0
 #define FSCTL_SECURITY_ID_CHECK
 #define FSCTL_DISMOUNT_VOLUME
@@ -66,3 +70,18 @@
 #define IO_REPARSE_TAG_MOUNT_POINT   0xA0000003
 #define IO_REPARSE_TAG_HSM           0xC0000004
 #define IO_REPARSE_TAG_SIS           0x80000007
+
+
+/* For FSCTL_GET_SHADOW_COPY_DATA ...*/
+typedef char SHADOW_COPY_LABEL[25];
+
+typedef struct shadow_copy_data {
+	TALLOC_CTX *mem_ctx;
+	/* Total number of shadow volumes currently mounted */
+	uint32 num_volumes;
+	/* Concatenated list of labels */
+	SHADOW_COPY_LABEL *labels;
+} SHADOW_COPY_DATA;
+
+
+#endif /* _NTIOCTL_H */
diff --git a/source3/include/smb_macros.h b/source3/include/smb_macros.h
index 21ccdf295c..178fd9c358 100644
--- a/source3/include/smb_macros.h
+++ b/source3/include/smb_macros.h
@@ -77,6 +77,12 @@
 #define OPEN_CONN(conn)    ((conn) && (conn)->open)
 #define IS_IPC(conn)       ((conn) && (conn)->ipc)
 #define IS_PRINT(conn)       ((conn) && (conn)->printer)
+#define FSP_BELONGS_CONN(fsp,conn) do {\
+			extern struct current_user current_user;\
+			if (!((fsp) && (conn) && ((conn)==(fsp)->conn) && (current_user.vuid==(fsp)->vuid))) \
+				return(ERROR_DOS(ERRDOS,ERRbadfid));\
+			} while(0)
+
 #define FNUM_OK(fsp,c) (OPEN_FSP(fsp) && (c)==(fsp)->conn && current_user.vuid==(fsp)->vuid)
 
 #define CHECK_FSP(fsp,conn) do {\
diff --git a/source3/include/vfs.h b/source3/include/vfs.h
index 452f4dc23b..dd489702aa 100644
--- a/source3/include/vfs.h
+++ b/source3/include/vfs.h
@@ -50,8 +50,8 @@
 /* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
 /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
 /* Changed to version 8 includes EA calls. JRA. */
-
-#define SMB_VFS_INTERFACE_VERSION 8
+/* Changed to version 9 to include the get_shadow_data call. --metze */
+#define SMB_VFS_INTERFACE_VERSION 9
 
 
 /* to bug old modules witch are trying to compile with the old functions */
@@ -91,6 +91,8 @@ typedef enum _vfs_op_type {
 	SMB_VFS_OP_DISK_FREE,
 	SMB_VFS_OP_GET_QUOTA,
 	SMB_VFS_OP_SET_QUOTA,
+	SMB_VFS_OP_GET_SHADOW_COPY_DATA,
+
 
 	/* Directory operations */
 
@@ -196,6 +198,7 @@ struct vfs_ops {
 			SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize);
 		int (*get_quota)(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 		int (*set_quota)(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
+		int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, BOOL labels);
 		
 		/* Directory operations */
 		
@@ -293,6 +296,7 @@ struct vfs_ops {
 		struct vfs_handle_struct *disk_free;
 		struct vfs_handle_struct *get_quota;
 		struct vfs_handle_struct *set_quota;
+		struct vfs_handle_struct *get_shadow_copy_data;
 
 		/* Directory operations */
 
@@ -379,6 +383,7 @@ struct vfs_ops {
 		struct vfs_handle_struct *setxattr;
 		struct vfs_handle_struct *lsetxattr;
 		struct vfs_handle_struct *fsetxattr;
+
 	} handles;
 };
 
diff --git a/source3/include/vfs_macros.h b/source3/include/vfs_macros.h
index fdbc1516e3..c4f63c352e 100644
--- a/source3/include/vfs_macros.h
+++ b/source3/include/vfs_macros.h
@@ -33,6 +33,7 @@
 #define SMB_VFS_DISK_FREE(conn, path, small_query, bsize, dfree ,dsize) ((conn)->vfs.ops.disk_free((conn)->vfs.handles.disk_free, (conn), (path), (small_query), (bsize), (dfree), (dsize)))
 #define SMB_VFS_GET_QUOTA(conn, qtype, id, qt) ((conn)->vfs.ops.get_quota((conn)->vfs.handles.get_quota, (conn), (qtype), (id), (qt)))
 #define SMB_VFS_SET_QUOTA(conn, qtype, id, qt) ((conn)->vfs.ops.set_quota((conn)->vfs.handles.set_quota, (conn), (qtype), (id), (qt)))
+#define SMB_VFS_GET_SHADOW_COPY_DATA(fsp,shadow_copy_data,labels) ((fsp)->conn->vfs.ops.get_shadow_copy_data((fsp)->conn->vfs.handles.get_shadow_copy_data,(fsp),(shadow_copy_data),(labels)))
 
 /* Directory operations */
 #define SMB_VFS_OPENDIR(conn, fname) ((conn)->vfs.ops.opendir((conn)->vfs.handles.opendir, (conn), (fname)))
@@ -128,6 +129,7 @@
 #define SMB_VFS_OPAQUE_DISK_FREE(conn, path, small_query, bsize, dfree ,dsize) ((conn)->vfs_opaque.ops.disk_free((conn)->vfs_opaque.handles.disk_free, (conn), (path), (small_query), (bsize), (dfree), (dsize)))
 #define SMB_VFS_OPAQUE_GET_QUOTA(conn, qtype, id, qt) ((conn)->vfs_opaque.ops.get_quota((conn)->vfs_opaque.handles.get_quota, (conn), (qtype), (id), (qt)))
 #define SMB_VFS_OPAQUE_SET_QUOTA(conn, qtype, id, qt) ((conn)->vfs_opaque.ops.set_quota((conn)->vfs_opaque.handles.set_quota, (conn), (qtype), (id), (qt)))
+#define SMB_VFS_OPAQUE_GET_SHADOW_COPY_DATA(fsp,shadow_copy_data,labels) ((fsp)->conn->vfs_opaque.ops.get_shadow_copy_data((fsp)->conn->vfs_opaque.handles.get_shadow_copy_data,(fsp),(shadow_copy_data),(labels)))
 
 /* Directory operations */
 #define SMB_VFS_OPAQUE_OPENDIR(conn, fname) ((conn)->vfs_opaque.ops.opendir((conn)->vfs_opaque.handles.opendir, (conn), (fname)))
@@ -223,6 +225,7 @@
 #define SMB_VFS_NEXT_DISK_FREE(handle, conn, path, small_query, bsize, dfree ,dsize) ((handle)->vfs_next.ops.disk_free((handle)->vfs_next.handles.disk_free, (conn), (path), (small_query), (bsize), (dfree), (dsize)))
 #define SMB_VFS_NEXT_GET_QUOTA(handle, conn, qtype, id, qt) ((handle)->vfs_next.ops.get_quota((handle)->vfs_next.handles.get_quota, (conn), (qtype), (id), (qt)))
 #define SMB_VFS_NEXT_SET_QUOTA(handle, conn, qtype, id, qt) ((handle)->vfs_next.ops.set_quota((handle)->vfs_next.handles.set_quota, (conn), (qtype), (id), (qt)))
+#define SMB_VFS_NEXT_GET_SHADOW_COPY_DATA(handle, fsp, shadow_copy_data ,labels) ((handle)->vfs_next.ops.get_shadow_copy_data((handle)->vfs_next.handles.get_shadow_copy_data,(fsp),(shadow_copy_data),(labels)))
 
 /* Directory operations */
 #define SMB_VFS_NEXT_OPENDIR(handle, conn, fname) ((handle)->vfs_next.ops.opendir((handle)->vfs_next.handles.opendir, (conn), (fname)))
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 3ffa6efa77..7a58e83877 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -1724,7 +1724,11 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 				  char **ppparams, uint32 parameter_count,
 				  char **ppdata, uint32 data_count)
 {
-	unsigned fnum, control;
+	uint32 function;
+	uint16 fidnum;
+	files_struct *fsp;
+	uint8 isFSctl;
+	uint8 compfilter;
 	static BOOL logged_message;
 	char *pdata = *ppdata;
 
@@ -1733,19 +1737,26 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 	}
 
-	fnum = SVAL(*ppsetup, 4);
-	control = IVAL(*ppsetup, 0);
+	function = IVAL(*ppsetup, 0);
+	fidnum = SVAL(*ppsetup, 4);
+	isFSctl = CVAL(*ppsetup, 6);
+	compfilter = CVAL(*ppsetup, 7);
+
+	DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n", 
+		 function, fidnum, isFSctl, compfilter));
 
-	DEBUG(10,("call_nt_transact_ioctl: fnum=%d control=0x%08x\n", 
-		 fnum, control));
+	fsp=file_fsp(*ppsetup, 4);
+	/* this check is done in each implemented function case for now
+	   because I don't want to break anything... --metze
+	FSP_BELONGS_CONN(fsp,conn);*/
 
-	switch (control) {
+	switch (function) {
 	case FSCTL_SET_SPARSE:
 		/* pretend this succeeded - tho strictly we should
 		   mark the file sparse (if the local fs supports it)
 		   so we can know if we need to pre-allocate or not */
 
-		DEBUG(10,("FSCTL_SET_SPARSE: fnum=%d control=0x%08x\n",fnum,control));
+		DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
 		send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
 		return -1;
 	
@@ -1754,7 +1765,7 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		   but works ok like this --metze
 		 */
 
-		DEBUG(10,("FSCTL_GET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
+		DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
 		send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
 		return -1;
 
@@ -1763,7 +1774,7 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		 * --metze
 		 */
 
-		DEBUG(10,("FSCTL_GET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
+		DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
 		send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
 		return -1;
 
@@ -1772,10 +1783,125 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		 * --metze
 		 */
 
-		DEBUG(10,("FSCTL_SET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
+		DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
 		send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
 		return -1;
 			
+	case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
+	{
+		/*
+		 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
+		 * and return their volume names.  If max_data_count is 16, then it is just
+		 * asking for the number of volumes and length of the combined names.
+		 *
+		 * pdata is the data allocated by our caller, but that uses
+		 * total_data_count (which is 0 in our case) rather than max_data_count.
+		 * Allocate the correct amount and return the pointer to let
+		 * it be deallocated when we return.
+		 */
+		uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
+		SHADOW_COPY_DATA *shadow_data = NULL;
+		TALLOC_CTX *shadow_mem_ctx = NULL;
+		BOOL labels = False;
+		uint32 labels_data_count = 0;
+		uint32 i;
+		char *cur_pdata;
+
+		FSP_BELONGS_CONN(fsp,conn);
+
+		if (max_data_count < 16) {
+			DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
+				max_data_count));
+			return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+		}
+
+		if (max_data_count > 16) {
+			labels = True;
+		}
+
+		shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
+		if (shadow_mem_ctx == NULL) {
+			DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
+			return ERROR_NT(NT_STATUS_NO_MEMORY);
+		}
+
+		shadow_data = (SHADOW_COPY_DATA *)talloc_zero(shadow_mem_ctx,sizeof(SHADOW_COPY_DATA));
+		if (shadow_data == NULL) {
+			DEBUG(0,("talloc_zero() failed!\n"));
+			return ERROR_NT(NT_STATUS_NO_MEMORY);
+		}
+		
+		shadow_data->mem_ctx = shadow_mem_ctx;
+		
+		/*
+		 * Call the VFS routine to actually do the work.
+		 */
+		if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
+			talloc_destroy(shadow_data->mem_ctx);
+			if (errno == ENOSYS) {
+				DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n", 
+					conn->connectpath));
+				return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+			} else {
+				DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n", 
+					conn->connectpath));
+				return ERROR_NT(NT_STATUS_UNSUCCESSFUL);			
+			}
+		}
+
+		labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
+
+		if (!labels) {
+			data_count = 16;
+		} else {
+			data_count = 12+labels_data_count+4;
+		}
+
+		if (max_data_count<data_count) {
+			DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
+				max_data_count,data_count));
+			talloc_destroy(shadow_data->mem_ctx);
+			return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
+		}
+
+		pdata = nttrans_realloc(ppdata, data_count);
+		if (pdata == NULL) {
+			talloc_destroy(shadow_data->mem_ctx);
+			return ERROR_NT(NT_STATUS_NO_MEMORY);
+		}		
+
+		cur_pdata = pdata;
+
+		/* num_volumes 4 bytes */
+		SIVAL(pdata,0,shadow_data->num_volumes);
+
+		if (labels) {
+			/* num_labels 4 bytes */
+			SIVAL(pdata,4,shadow_data->num_volumes);
+		}
+
+		/* needed_data_count 4 bytes */
+		SIVAL(pdata,8,labels_data_count);
+
+		cur_pdata+=12;
+
+		DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
+			shadow_data->num_volumes,fsp->fsp_name));
+		if (labels && shadow_data->labels) {
+			for (i=0;i<shadow_data->num_volumes;i++) {
+				srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
+				cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
+				DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
+			}
+		}
+
+		talloc_destroy(shadow_data->mem_ctx);
+
+		send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
+
+		return -1;
+        }
+        
 	case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
 	{
 		/* pretend this succeeded - 
@@ -1783,24 +1909,24 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		 * we have to send back a list with all files owned by this SID
 		 *
 		 * but I have to check that --metze
-		 */ 
-		   
+		 */
 		DOM_SID sid;
 		uid_t uid;
-		size_t sid_len=SID_MAX_SIZE;
-		
-		DEBUG(10,("FSCTL_FIND_FILES_BY_SID: fnum=%d control=0x%08x\n",fnum,control));
+		size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
 		
-		/* this is not the length of the sid :-( so unknown 4 bytes */
-		/*sid_len = IVAL(pdata,0);	
-		DEBUGADD(0,("sid_len: (%u)\n",sid_len));*/
+		DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
+
+		FSP_BELONGS_CONN(fsp,conn);
+
+		/* unknown 4 bytes: this is not the length of the sid :-(  */
+		/*unknown = IVAL(pdata,0);*/
 		
 		sid_parse(pdata+4,sid_len,&sid);
-		DEBUGADD(10,("SID: %s\n",sid_string_static(&sid)));
+		DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
 
 		if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
-			DEBUG(0,("sid_to_uid: failed, sid[%s]\n",
-				sid_string_static(&sid)));
+			DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%u]\n",
+				sid_string_static(&sid),sid_len));
 			uid = (-1);
 		}
 		
@@ -1813,6 +1939,7 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		 * for each file
 		 *
 		 * but I don't know how to deal with the paged results
+		 * (maybe we can hang the result anywhere in the fsp struct)
 		 *
 		 * we don't send all files at once
 		 * and at the next we should *not* start from the beginning, 
@@ -1829,7 +1956,7 @@ static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *ou
 		if (!logged_message) {
 			logged_message = True; /* Only print this once... */
 			DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
-				 control));
+				 function));
 		}
 	}
 
diff --git a/source3/smbd/vfs-wrap.c b/source3/smbd/vfs-wrap.c
index 8d44a1a0fa..a76a7a6abd 100644
--- a/source3/smbd/vfs-wrap.c
+++ b/source3/smbd/vfs-wrap.c
@@ -49,6 +49,42 @@ SMB_BIG_UINT vfswrap_disk_free(vfs_handle_struct *handle, connection_struct *con
     result = sys_disk_free(path, small_query, bsize, dfree, dsize);
     return result;
 }
+
+int vfswrap_get_quota(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
+{
+#ifdef HAVE_SYS_QUOTAS
+	int result;
+
+	START_PROFILE(syscall_get_quota);
+	result = sys_get_quota(conn->connectpath, qtype, id, qt);
+	END_PROFILE(syscall_get_quota);
+	return result;
+#else
+	errno = ENOSYS;
+	return -1;
+#endif	
+}
+
+int vfswrap_set_quota(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
+{
+#ifdef HAVE_SYS_QUOTAS
+	int result;
+
+	START_PROFILE(syscall_set_quota);
+	result = sys_set_quota(conn->connectpath, qtype, id, qt);
+	END_PROFILE(syscall_set_quota);
+	return result;
+#else
+	errno = ENOSYS;
+	return -1;
+#endif	
+}
+
+int vfswrap_get_shadow_copy_data(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, BOOL labels)
+{
+	errno = ENOSYS;
+	return -1;  /* Not implemented. */
+}
     
 /* Directory operations */
 
@@ -756,36 +792,6 @@ int vfswrap_sys_acl_free_qualifier(vfs_handle_struct *handle, connection_struct
 	return sys_acl_free_qualifier(qualifier, tagtype);
 }
 
-int vfswrap_get_quota(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
-{
-#ifdef HAVE_SYS_QUOTAS
-	int result;
-
-	START_PROFILE(syscall_get_quota);
-	result = sys_get_quota(conn->connectpath, qtype, id, qt);
-	END_PROFILE(syscall_get_quota);
-	return result;
-#else
-	errno = ENOSYS;
-	return -1;
-#endif	
-}
-
-int vfswrap_set_quota(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
-{
-#ifdef HAVE_SYS_QUOTAS
-	int result;
-
-	START_PROFILE(syscall_set_quota);
-	result = sys_set_quota(conn->connectpath, qtype, id, qt);
-	END_PROFILE(syscall_set_quota);
-	return result;
-#else
-	errno = ENOSYS;
-	return -1;
-#endif	
-}
-
 /****************************************************************
  Extended attribute operations.
 *****************************************************************/
diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index 5f3abe7efe..58a8a38792 100644
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -56,6 +56,7 @@ static struct vfs_ops default_vfs = {
 		vfswrap_disk_free,
 		vfswrap_get_quota,
 		vfswrap_set_quota,
+		vfswrap_get_shadow_copy_data,
 	
 		/* Directory operations */
 	
@@ -140,7 +141,6 @@ static struct vfs_ops default_vfs = {
 		vfswrap_setxattr,
 		vfswrap_lsetxattr,
 		vfswrap_fsetxattr
-
 	}
 };