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Accepting request 150648 from home:badshah400:branches:filesystems

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Add patch to mount ntfs partitions with Windows metadata cache in read-only mode. This makes dual booting with Windows 8 while Fastboot is enabled secure (needed for openSUSE 12.3).

OBS-URL: https://build.opensuse.org/request/show/150648
OBS-URL: https://build.opensuse.org/package/show/filesystems/ntfs-3g_ntfsprogs?expand=0&rev=12
This commit is contained in:
Greg Freemyer 2013-01-31 23:49:35 +00:00 committed by Git OBS Bridge
parent 5538256412
commit d7a1292516
3 changed files with 150 additions and 1 deletions
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138
ntfs-3g_ntfsprogs-use-caution-with-fastboot.patch Normal file
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@ -0,0 +1,138 @@
From 4d0b9163c9ef1f0cdbbf533317b291220c7fd1c7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Pierre=20Andr=C3=A9?= <jpandre@users.sourceforge.net>
Date: Wed, 12 Sep 2012 09:42:24 +0200
Subject: [PATCH] Accepted processing restart pages v 2.0 with no warning (used by Windows 8)
In the $LogFile, Windows 8 defines restart pages with version 2.0.
The checks designed for version 1.1 appear to apply, so accept v 2.0
and apply the usual checks.
---
libntfs-3g/logfile.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
Index: ntfs-3g_ntfsprogs-2012.1.15/libntfs-3g/logfile.c
===================================================================
--- ntfs-3g_ntfsprogs-2012.1.15.orig/libntfs-3g/logfile.c
+++ ntfs-3g_ntfsprogs-2012.1.15/libntfs-3g/logfile.c
@@ -84,13 +84,21 @@ static BOOL ntfs_check_restart_page_head
"position in $LogFile.\n");
return FALSE;
}
- /* We only know how to handle version 1.1. */
- if (sle16_to_cpu(rp->major_ver) != 1 ||
- sle16_to_cpu(rp->minor_ver) != 1) {
+ /*
+ * We only know how to handle version 1.1 and 2.0, though
+ * version 2.0 is probably related to cached metadata in
+ * Windows 8, and we will refuse to mount.
+ * Nevertheless, do all the relevant checks before rejecting.
+ */
+ if (((rp->major_ver != const_cpu_to_le16(1))
+ || (rp->minor_ver != const_cpu_to_le16(1)))
+ && ((rp->major_ver != const_cpu_to_le16(2))
+ || (rp->minor_ver != const_cpu_to_le16(0)))) {
ntfs_log_error("$LogFile version %i.%i is not "
- "supported. (This driver supports version "
- "1.1 only.)\n", (int)sle16_to_cpu(rp->major_ver),
- (int)sle16_to_cpu(rp->minor_ver));
+ "supported.\n (This driver supports version "
+ "1.1 and 2.0 only.)\n",
+ (int)sle16_to_cpu(rp->major_ver),
+ (int)sle16_to_cpu(rp->minor_ver));
return FALSE;
}
/*
Index: ntfs-3g_ntfsprogs-2012.1.15/libntfs-3g/volume.c
===================================================================
--- ntfs-3g_ntfsprogs-2012.1.15.orig/libntfs-3g/volume.c
+++ ntfs-3g_ntfsprogs-2012.1.15/libntfs-3g/volume.c
@@ -89,13 +89,9 @@ static const char *corrupt_volume_msg =
"for more details.\n";
static const char *hibernated_volume_msg =
-"The NTFS partition is hibernated. Please resume and shutdown Windows\n"
-"properly, or mount the volume read-only with the 'ro' mount option, or\n"
-"mount the volume read-write with the 'remove_hiberfile' mount option.\n"
-"For example type on the command line:\n"
-"\n"
-" mount -t ntfs-3g -o remove_hiberfile %s %s\n"
-"\n";
+"The NTFS partition is in an unsafe state. Please resume and shutdown\n"
+"Windows fully (no hibernation or fast restarting), or mount the volume\n"
+"read-only with the 'ro' mount option.\n";
static const char *unclean_journal_msg =
"Write access is denied because the disk wasn't safely powered\n"
@@ -649,6 +645,24 @@ static int ntfs_volume_check_logfile(ntf
if (!ntfs_check_logfile(na, &rp) || !ntfs_is_logfile_clean(na, rp))
err = EOPNOTSUPP;
+ /*
+ * If the latest restart page was identified as version
+ * 2.0, then Windows may have kept a cached copy of
+ * metadata for fast restarting, and we should not mount.
+ * Hibernation will be seen the same way on a non
+ * Windows-system partition, so we have to use the same
+ * error code (EPERM).
+ * The restart page may also be identified as version 2.0
+ * when access to the file system is terminated abruptly
+ * by unplugging or power cut, so mounting is also rejected
+ * after such an event.
+ */
+ if (rp
+ && (rp->major_ver == const_cpu_to_le16(2))
+ && (rp->minor_ver == const_cpu_to_le16(0))) {
+ ntfs_log_error("Metadata kept in Windows cache, refused to mount.\n");
+ err = EPERM;
+ }
free(rp);
ntfs_attr_close(na);
out:
@@ -1200,7 +1214,8 @@ ntfs_volume *ntfs_device_mount(struct nt
ntfs_volume_check_hiberfile(vol, 1) < 0)
goto error_exit;
if (ntfs_volume_check_logfile(vol) < 0) {
- if (!(flags & MS_RECOVER))
+ /* Always reject cached metadata for now */
+ if (!(flags & MS_RECOVER) || (errno == EPERM))
goto error_exit;
ntfs_log_info("The file system wasn't safely "
"closed on Windows. Fixing.\n");
@@ -1642,6 +1657,10 @@ int ntfs_volume_error(int err)
ret = NTFS_VOLUME_CORRUPT;
break;
case EPERM:
+ /*
+ * Hibernation and fast restarting are seen the
+ * same way on a non Windows-system partition.
+ */
ret = NTFS_VOLUME_HIBERNATED;
break;
case EOPNOTSUPP:
Index: ntfs-3g_ntfsprogs-2012.1.15/src/ntfs-3g.8.in
===================================================================
--- ntfs-3g_ntfsprogs-2012.1.15.orig/src/ntfs-3g.8.in
+++ ntfs-3g_ntfsprogs-2012.1.15/src/ntfs-3g.8.in
@@ -36,6 +36,22 @@ a few differences mentioned below in rel
.PP
The \fIvolume\fR to be mounted can be either a block device or
an image file.
+.SS Windows hibernation and fast restarting
+On computers which can be dual-booted into Windows or Linux, Windows has
+to be fully shut down before booting into Linux, otherwise the NTFS file
+systems on internal disks may be left in an inconsistent state and changes
+made by Linux may be ignored by Windows.
+.P
+So, Windows may not be left in hibernation when starting Linux, in order
+to avoid inconsistencies. Moreover, the fast restart feature available on
+recent Windows systems has to be disabled. This can be achieved by issuing
+as an Administrator the Windows command which disables both
+hibernation and fast restarting :
+.RS
+.sp
+powercfg /h off
+.sp
+.RE
.SS Access Handling and Security
By default, files and directories are owned by the effective
user and group of the mounting process, and everybody has

8
ntfs-3g_ntfsprogs.changes
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@ -1,3 +1,11 @@
-------------------------------------------------------------------
Thu Jan 31 21:04:14 UTC 2013 - badshah400@gmail.com
- Add ntfs-3g_ntfsprogs-use-caution-with-fastboot.patch to
prevent partitions with metadata cached in Windows (when
FastBoot is enabled) from being mounted; patch taken from
upstream git and rebased (rh#859373).
-------------------------------------------------------------------
Sun Sep 23 04:44:46 UTC 2012 - jengelh@inai.de

5
ntfs-3g_ntfsprogs.spec
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@ -1,7 +1,7 @@
#
# spec file for package ntfs-3g_ntfsprogs
#
# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
@ -25,6 +25,8 @@ Release: 0
Source: %{name}-%{version}.tar.bz2
Source1: buildall.sh
Source2: 21-storage-ntfs-3g.fdi
# PATCH-FIX-UPSTREAM ntfs-3g_ntfsprogs-use-caution-with-fastboot.patch rh#859373 badshah400@gmail.com -- Prevent partitions with metadata cached in Windows from being mounted; patch taken from upstream git
Patch0: ntfs-3g_ntfsprogs-use-caution-with-fastboot.patch
Url: http://ntfs-3g.org/
%if 0%{?sles_version}
BuildRequires: fuse-devel >= 2.6.0
@ -97,6 +99,7 @@ options to display the version number and usage syntax.
%prep
%setup -q
%patch0 -p1
%build
#