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Supported reparse tags for OneDrive cloud storage

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Newer versions of Windows 10 use several reparse tags for files which
are synchronized to OneDrive cloud storage (0x9000301a, 0x9000601a,
0x9000701a, ...). identify them as IO_REPARSE_TAG_CLOUD and use a
single plugin to process them.
This commit is contained in:
Jean-Pierre André 2018-01-15 11:04:29 +01:00
parent 5239986093
commit 3243e62396
3 changed files with 26 additions and 9 deletions
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7
include/ntfs-3g/layout.h
View File

@ -2412,8 +2412,13 @@ typedef struct {
* be slow. (E.g. the data is stored on a tape drive.)
* bit 31: Microsoft bit. If set, the tag is owned by Microsoft. User
* defined tags have to use zero here.
* 4. However, on Windows 10 :
* Some flags may be used in bits 12 to 15 to further describe the
* reparse point, and bit 28 may be set, probably to signal the
* presence of these flags.
*/
typedef enum {
IO_REPARSE_TAG_WITH_FLAGS = const_cpu_to_le32(0x10000000),
IO_REPARSE_TAG_IS_ALIAS = const_cpu_to_le32(0x20000000),
IO_REPARSE_TAG_IS_HIGH_LATENCY = const_cpu_to_le32(0x40000000),
IO_REPARSE_TAG_IS_MICROSOFT = const_cpu_to_le32(0x80000000),
@ -2436,10 +2441,12 @@ typedef enum {
IO_REPARSE_TAG_DFM = const_cpu_to_le32(0x80000016),
IO_REPARSE_TAG_WOF = const_cpu_to_le32(0x80000017),
IO_REPARSE_TAG_WCI = const_cpu_to_le32(0x80000018),
IO_REPARSE_TAG_CLOUD = const_cpu_to_le32(0x9000001A),
IO_REPARSE_TAG_GVFS = const_cpu_to_le32(0x9000001C),
IO_REPARSE_TAG_LX_SYMLINK = const_cpu_to_le32(0xA000001D),
IO_REPARSE_TAG_VALID_VALUES = const_cpu_to_le32(0xf000ffff),
IO_REPARSE_PLUGIN_SELECT = const_cpu_to_le32(0xffff0fff),
} PREDEFINED_REPARSE_TAGS;
/**

13
ntfsprogs/ntfsinfo.c
View File

@ -8,7 +8,7 @@
* Copyright (c) 2004-2005 Yuval Fledel
* Copyright (c) 2004-2007 Yura Pakhuchiy
* Copyright (c) 2005 Cristian Klein
* Copyright (c) 2011-2017 Jean-Pierre Andre
* Copyright (c) 2011-2018 Jean-Pierre Andre
*
* This utility will dump a file's attributes.
*
@ -119,7 +119,7 @@ static void version(void)
printf(" 2003 Leonard Norrgård\n");
printf(" 2004-2005 Yuval Fledel\n");
printf(" 2004-2007 Yura Pakhuchiy\n");
printf(" 2011-2017 Jean-Pierre Andre\n");
printf(" 2011-2018 Jean-Pierre Andre\n");
printf("\n%s\n%s%s\n", ntfs_gpl, ntfs_bugs, ntfs_home);
}
@ -411,8 +411,12 @@ static char *ntfs_attr_get_name_mbs(ATTR_RECORD *attr)
static const char *reparse_type_name(le32 tag)
{
const char *name;
le32 seltag;
switch (tag) {
seltag = tag;
if (tag & IO_REPARSE_TAG_WITH_FLAGS)
seltag &= IO_REPARSE_PLUGIN_SELECT;
switch (seltag) {
case IO_REPARSE_TAG_MOUNT_POINT :
name = " (mount point)";
break;
@ -428,6 +432,9 @@ static const char *reparse_type_name(le32 tag)
case IO_REPARSE_TAG_WCI :
name = " (Windows container)";
break;
case IO_REPARSE_TAG_CLOUD :
name = " (Cloud)";
break;
case IO_REPARSE_TAG_NFS :
name = " (NFS symlink)";
break;

15
src/ntfs-3g_common.c
View File

@ -1,7 +1,7 @@
/**
* ntfs-3g_common.c - Common definitions for ntfs-3g and lowntfs-3g.
*
* Copyright (c) 2010-2016 Jean-Pierre Andre
* Copyright (c) 2010-2018 Jean-Pierre Andre
* Copyright (c) 2010 Erik Larsson
*
* This program/include file is free software; you can redistribute it and/or
@ -801,7 +801,7 @@ const struct plugin_operations *select_reparse_plugin(ntfs_fuse_context_t *ctx,
const struct plugin_operations *ops;
void *handle;
REPARSE_POINT *reparse;
le32 tag;
le32 tag, seltag;
plugin_list_t *plugin;
plugin_init_t pinit;
@ -809,7 +809,10 @@ const struct plugin_operations *select_reparse_plugin(ntfs_fuse_context_t *ctx,
reparse = ntfs_get_reparse_point(ni);
if (reparse) {
tag = reparse->reparse_tag;
for (plugin=ctx->plugins; plugin && (plugin->tag != tag);
seltag = tag;
if (tag & IO_REPARSE_TAG_WITH_FLAGS)
seltag &= IO_REPARSE_PLUGIN_SELECT;
for (plugin=ctx->plugins; plugin && (plugin->tag != seltag);
plugin = plugin->next) { }
if (plugin) {
ops = plugin->ops;
@ -819,12 +822,12 @@ const struct plugin_operations *select_reparse_plugin(ntfs_fuse_context_t *ctx,
snprintf(name,sizeof(name), PLUGIN_DIR
"/ntfs-plugin-%08lx.so",
(long)le32_to_cpu(tag));
(long)le32_to_cpu(seltag));
#else
char name[64];
snprintf(name,sizeof(name), "ntfs-plugin-%08lx.so",
(long)le32_to_cpu(tag));
(long)le32_to_cpu(seltag));
#endif
handle = dlopen(name, RTLD_LAZY);
if (handle) {
@ -833,7 +836,7 @@ const struct plugin_operations *select_reparse_plugin(ntfs_fuse_context_t *ctx,
/* pinit() should set errno if it fails */
ops = (*pinit)(tag);
if (ops && register_reparse_plugin(ctx,
tag, ops, handle))
seltag, ops, handle))
ops = (struct plugin_operations*)NULL;
} else
errno = ELIBBAD;