gparted/src/ntfs.cc

277 lines
9.8 KiB
C++

/* Copyright (C) 2004 Bart
* Copyright (C) 2008, 2009, 2010, 2011 Curtis Gedak
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "ntfs.h"
#include "FileSystem.h"
#include "OperationDetail.h"
#include "Partition.h"
#include "Utils.h"
#include <glibmm/ustring.h>
#include <glibmm/miscutils.h>
#include <glibmm/shell.h>
namespace GParted
{
const Glib::ustring & ntfs::get_custom_text( CUSTOM_TEXT ttype, int index ) const
{
static const Glib::ustring change_uuid_warning[] =
{ _("Changing the UUID might invalidate the Windows Product Activation "
"(WPA) key"),
_("On FAT and NTFS file systems, the Volume Serial Number is used as "
"the UUID. Changing the Volume Serial Number on the Windows system "
"partition, normally C:, might invalidate the WPA key. An invalid "
"WPA key will prevent login until you reactivate Windows."),
_("In an attempt to avoid invalidating the WPA key, on NTFS file "
"systems only half of the UUID is set to a new random value."),
_("Changing the UUID on external storage media and non-system "
"partitions is usually safe, but guarantees cannot be given."),
""
};
int i ;
switch ( ttype ) {
case CTEXT_CHANGE_UUID_WARNING :
for ( i = 0 ; i < index && change_uuid_warning[i] != "" ; i++ )
; // Just iterate...
return change_uuid_warning[i];
default :
return FileSystem::get_custom_text( ttype, index ) ;
}
}
FS ntfs::get_filesystem_support()
{
FS fs( FS_NTFS );
fs .busy = FS::GPARTED ;
if (! Glib::find_program_in_path("ntfsinfo").empty())
fs.read = FS::EXTERNAL;
if (! Glib::find_program_in_path("ntfslabel").empty())
{
fs .read_label = FS::EXTERNAL ;
fs .write_label = FS::EXTERNAL ;
fs.write_uuid = FS::EXTERNAL;
}
if ( ! Glib::find_program_in_path( "mkntfs" ) .empty() )
{
fs.create = FS::EXTERNAL;
fs.create_with_label = FS::EXTERNAL;
}
//resizing is a delicate process ...
if (! Glib::find_program_in_path("ntfsresize").empty())
{
fs.check = FS::EXTERNAL;
fs.grow = FS::EXTERNAL;
if ( fs .read ) //needed to determine a min file system size..
fs.shrink = FS::EXTERNAL;
fs.move = FS::GPARTED;
}
if ( ! Glib::find_program_in_path( "ntfsclone" ) .empty() )
fs.copy = FS::EXTERNAL;
fs .online_read = FS::GPARTED ;
//Minimum NTFS partition size = (Minimum NTFS volume size) + (backup NTFS boot sector)
// = (1 MiB) + (1 sector)
// For GParted this means 2 MiB because smallest GUI unit is MiB.
fs_limits.min_size = 2 * MEBIBYTE;
return fs ;
}
void ntfs::set_used_sectors( Partition & partition )
{
exit_status = Utils::execute_command("ntfsinfo --mft --force " + Glib::shell_quote(partition.get_path()),
output, error, true);
if (exit_status != 0)
{
if (! output.empty())
partition.push_back_message(output);
if (! error.empty())
partition.push_back_message(error);
return;
}
long long cluster_size = -1;
Glib::ustring::size_type index = output.find("Cluster Size:");
if (index < output.length())
sscanf(output.substr(index).c_str(), "Cluster Size: %lld", &cluster_size);
long long volume_size = -1;
index = output.find("Volume Size in Clusters:");
if (index < output.length())
sscanf(output.substr(index).c_str(), "Volume Size in Clusters: %lld", &volume_size);
long long free_clusters = -1;
index = output.find("Free Clusters:");
if (index < output.length())
sscanf(output.substr(index).c_str(), "Free Clusters: %lld", &free_clusters);
if (cluster_size > -1 && volume_size > -1 && free_clusters > -1)
{
Sector fs_size = volume_size * cluster_size / partition.sector_size;
Sector fs_free = free_clusters * cluster_size / partition.sector_size;
partition.set_sector_usage(fs_size, fs_free);
partition.fs_block_size = cluster_size;
}
}
void ntfs::read_label( Partition & partition )
{
if ( ! Utils::execute_command( "ntfslabel --force " + Glib::shell_quote( partition.get_path() ),
output, error, false ) )
{
partition.set_filesystem_label( Utils::trim( output ) );
}
else
{
if ( ! output .empty() )
partition.push_back_message( output );
if ( ! error .empty() )
partition.push_back_message( error );
}
}
bool ntfs::write_label( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "ntfslabel --force " + Glib::shell_quote( partition.get_path() ) +
" " + Glib::shell_quote( partition.get_filesystem_label() ),
operationdetail, EXEC_CHECK_STATUS );
}
void ntfs::read_uuid( Partition & partition )
{
}
bool ntfs::write_uuid( const Partition & partition, OperationDetail & operationdetail )
{
if ( partition .uuid == UUID_RANDOM_NTFS_HALF )
return ! execute_command( "ntfslabel --new-half-serial " + Glib::shell_quote( partition.get_path() ),
operationdetail, EXEC_CHECK_STATUS );
else
return ! execute_command( "ntfslabel --new-serial " + Glib::shell_quote( partition.get_path() ),
operationdetail, EXEC_CHECK_STATUS );
return true ;
}
bool ntfs::create( const Partition & new_partition, OperationDetail & operationdetail )
{
return ! execute_command( "mkntfs -Q -v -F -L " + Glib::shell_quote( new_partition.get_filesystem_label() ) +
" " + Glib::shell_quote( new_partition.get_path() ),
operationdetail, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE );
}
bool ntfs::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
{
bool success;
Glib::ustring size = "" ;
if ( ! fill_partition )
size = " -s " + Utils::num_to_str(partition_new.get_byte_length());
Glib::ustring cmd = "ntfsresize --force --force" + size ;
//simulation..
operationdetail .add_child( OperationDetail( _("run simulation") ) ) ;
success = ! execute_command( cmd + " --no-action " + Glib::shell_quote( partition_new.get_path() ),
operationdetail.get_last_child(), EXEC_CHECK_STATUS );
operationdetail.get_last_child().set_success_and_capture_errors( success );
if ( ! success )
return false;
// Real resize
operationdetail.add_child( OperationDetail( _("real resize") ) );
success = ! execute_command( cmd + " " + Glib::shell_quote( partition_new.get_path() ),
operationdetail.get_last_child(), EXEC_CHECK_STATUS|EXEC_PROGRESS_STDOUT,
static_cast<StreamSlot>( sigc::mem_fun( *this, &ntfs::resize_progress ) ) );
operationdetail.get_last_child().set_success_and_capture_errors( success );
return success;
}
bool ntfs::copy( const Partition & src_part,
Partition & dest_part,
OperationDetail & operationdetail )
{
return ! execute_command( "ntfsclone -f --overwrite " + Glib::shell_quote( dest_part.get_path() ) +
" " + Glib::shell_quote( src_part.get_path() ),
operationdetail,
EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE|EXEC_PROGRESS_STDOUT,
static_cast<StreamSlot>( sigc::mem_fun( *this, &ntfs::clone_progress ) ) );
}
bool ntfs::check_repair( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "ntfsresize -i -f -v " + Glib::shell_quote( partition.get_path() ),
operationdetail, EXEC_CHECK_STATUS );
}
//Private methods
void ntfs::resize_progress( OperationDetail *operationdetail )
{
Glib::ustring line = Utils::last_line( output );
// Text progress on the LAST LINE looks like " 15.24 percent completed"
// NOTE:
// Specifying text to match following the last converted variable in *scanf() is
// ineffective because it reports the number of successfully converted variables
// and has no way to indicate following text didn't match. Specifically:
// sscanf( "%f percent completed", &percent )
// will return 1 after successfully converting percent variable as 4 given this
// line from the important information at the end of the ntfsresize output:
// " 4) set the bootable flag for the partit"
// Definitely not progress information.
float percent;
if ( line.find( "percent completed" ) != line.npos && sscanf( line.c_str(), "%f", &percent ) == 1 )
{
operationdetail->run_progressbar( percent, 100.0 );
}
// Or when finished, on any line, ...
else if ( output.find( "Successfully resized NTFS on device" ) != output.npos )
{
operationdetail->stop_progressbar();
}
}
void ntfs::clone_progress( OperationDetail *operationdetail )
{
Glib::ustring line = Utils::last_line( output );
// Text progress on the LAST LINE looks like " 15.24 progress completed"
float percent;
if ( line.find( "percent completed" ) != line.npos && sscanf( line.c_str(), "%f", &percent ) == 1 )
{
operationdetail->run_progressbar( percent, 100.0 );
}
// Deliberately don't stop the progress bar when ntfsclone outputs "Syncing ..."
// at the end as that is considered a measured part of the copy operation. The
// progress bar will wait at 100% (or just below) until the sync completes. On
// spinning rust that is typically a few seconds and on SSDs it won't be noticed
// at all. Instead it is left for execute_command(), which always stops the
// progress bar when the command finishes.
}
} //GParted