307 lines
11 KiB
C++
307 lines
11 KiB
C++
/* Copyright (C) 2004 Bart
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* Copyright (C) 2008, 2009, 2010, 2011 Curtis Gedak
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ntfs.h"
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#include "FileSystem.h"
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#include "OperationDetail.h"
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#include "Partition.h"
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#include "Utils.h"
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#include <glibmm/ustring.h>
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namespace GParted
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{
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const Glib::ustring ntfs::Change_UUID_Warning [] =
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{ _( "Changing the UUID might invalidate the Windows Product Activation (WPA) key"
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)
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, _( "On FAT and NTFS file systems, the"
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" Volume Serial Number is used as the UUID."
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" Changing the Volume Serial Number on the Windows system"
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" partition, normally C:, might invalidate the WPA key."
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" An invalid WPA key will prevent login until you reactivate Windows."
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)
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, _( "In an attempt to avoid invalidating the WPA key, on"
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" NTFS file systems only half of the UUID is set to a"
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" new random value."
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)
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, _( "Changing the UUID on external storage media and non-system partitions"
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" is usually safe, but guarantees cannot be given."
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)
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, ""
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} ;
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const Glib::ustring & ntfs::get_custom_text( CUSTOM_TEXT ttype, int index ) const
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{
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int i ;
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switch ( ttype ) {
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case CTEXT_CHANGE_UUID_WARNING :
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for ( i = 0 ; i < index && Change_UUID_Warning[ i ] != "" ; i++ ) {
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// Just iterate...
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}
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return Change_UUID_Warning [ i ] ;
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default :
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return FileSystem::get_custom_text( ttype, index ) ;
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}
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}
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FS ntfs::get_filesystem_support()
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{
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FS fs( FS_NTFS );
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fs .busy = FS::GPARTED ;
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if ( ! Glib::find_program_in_path( "ntfsresize" ) .empty() )
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{
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fs .read = GParted::FS::EXTERNAL ;
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fs .check = GParted::FS::EXTERNAL ;
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}
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if ( ! Glib::find_program_in_path( "ntfslabel" ) .empty() ) {
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Glib::ustring version ;
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fs .read_label = FS::EXTERNAL ;
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fs .write_label = FS::EXTERNAL ;
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//Not all versions of ntfslabel support setting the Volume Serial Number
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//The advanced (AR) release does as of the first 2012 release
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//The stable release does not have it yet, at the time of this writing
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//So: check for the presence of the command-line option.
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//ntfslabel --help exits with non-zero error code (1)
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Utils::execute_command( "ntfslabel --help ", output, error, false ) ;
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if ( ! ( version = Utils::regexp_label( output, "--new-serial[[:blank:]]" ) ) .empty() )
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fs .write_uuid = FS::EXTERNAL ;
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}
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if ( ! Glib::find_program_in_path( "mkntfs" ) .empty() )
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{
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fs .create = GParted::FS::EXTERNAL ;
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fs .create_with_label = GParted::FS::EXTERNAL ;
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}
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//resizing is a delicate process ...
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if ( fs .read && fs .check )
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{
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fs .grow = GParted::FS::EXTERNAL ;
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if ( fs .read ) //needed to determine a min file system size..
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fs .shrink = GParted::FS::EXTERNAL ;
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}
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//we need ntfsresize to set correct used/unused after cloning
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if ( ! Glib::find_program_in_path( "ntfsclone" ) .empty() )
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fs .copy = GParted::FS::EXTERNAL ;
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if ( fs .check )
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fs .move = GParted::FS::GPARTED ;
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fs .online_read = FS::GPARTED ;
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//Minimum NTFS partition size = (Minimum NTFS volume size) + (backup NTFS boot sector)
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// = (1 MiB) + (1 sector)
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// For GParted this means 2 MiB because smallest GUI unit is MiB.
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fs_limits.min_size = 2 * MEBIBYTE;
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return fs ;
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}
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void ntfs::set_used_sectors( Partition & partition )
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{
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exit_status = Utils::execute_command( "ntfsresize --info --force --no-progress-bar " +
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Glib::shell_quote( partition.get_path() ),
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output, error, true );
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if ( exit_status == 0 || exit_status == 1 )
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{
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Glib::ustring::size_type index = output.find( "Current volume size:" );
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if ( index >= output .length() ||
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sscanf( output.substr( index ).c_str(), "Current volume size: %lld", &T ) != 1 )
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T = -1 ;
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index = output .find( "resize at" ) ;
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if ( index >= output .length() ||
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sscanf( output.substr( index ).c_str(), "resize at %lld", &N ) != 1 )
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N = -1 ;
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//For an absolutely full NTFS, "ntfsresize --info" exits
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// with status 1 and reports this message instead
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index = output .find( "ERROR: Volume is full" ) ;
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if ( index < output .length() )
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N = T ;
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index = output.find( "Cluster size" );
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if ( index >= output.length() ||
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sscanf( output.substr( index ).c_str(), "Cluster size : %lld", &S ) != 1 )
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S = -1;
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if ( T > -1 && N > -1 )
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{
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T = Utils::round( T / double(partition .sector_size) ) ;
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N = Utils::round( N / double(partition .sector_size) ) ;
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partition .set_sector_usage( T, T - N );
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}
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if ( S > -1 )
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partition.fs_block_size = S;
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}
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else
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{
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if ( ! output .empty() )
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partition.push_back_message( output );
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if ( ! error .empty() )
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partition.push_back_message( error );
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}
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}
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void ntfs::read_label( Partition & partition )
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{
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if ( ! Utils::execute_command( "ntfslabel --force " + Glib::shell_quote( partition.get_path() ),
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output, error, false ) )
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{
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partition.set_filesystem_label( Utils::trim( output ) );
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}
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else
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{
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if ( ! output .empty() )
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partition.push_back_message( output );
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if ( ! error .empty() )
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partition.push_back_message( error );
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}
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}
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bool ntfs::write_label( const Partition & partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "ntfslabel --force " + Glib::shell_quote( partition.get_path() ) +
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" " + Glib::shell_quote( partition.get_filesystem_label() ),
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operationdetail, EXEC_CHECK_STATUS );
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}
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void ntfs::read_uuid( Partition & partition )
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{
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}
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bool ntfs::write_uuid( const Partition & partition, OperationDetail & operationdetail )
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{
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if ( partition .uuid == UUID_RANDOM_NTFS_HALF )
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return ! execute_command( "ntfslabel --new-half-serial " + Glib::shell_quote( partition.get_path() ),
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operationdetail, EXEC_CHECK_STATUS );
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else
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return ! execute_command( "ntfslabel --new-serial " + Glib::shell_quote( partition.get_path() ),
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operationdetail, EXEC_CHECK_STATUS );
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return true ;
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}
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bool ntfs::create( const Partition & new_partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "mkntfs -Q -v -F -L " + Glib::shell_quote( new_partition.get_filesystem_label() ) +
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" " + Glib::shell_quote( new_partition.get_path() ),
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operationdetail, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE );
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}
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bool ntfs::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
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{
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bool success;
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Glib::ustring size = "" ;
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if ( ! fill_partition )
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{
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size = " -s " + Utils::num_to_str( floor( Utils::sector_to_unit(
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partition_new .get_sector_length(), partition_new .sector_size, UNIT_BYTE ) ) ) ;
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}
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Glib::ustring cmd = "ntfsresize --force --force" + size ;
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//simulation..
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operationdetail .add_child( OperationDetail( _("run simulation") ) ) ;
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success = ! execute_command( cmd + " --no-action " + Glib::shell_quote( partition_new.get_path() ),
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operationdetail.get_last_child(), EXEC_CHECK_STATUS );
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operationdetail.get_last_child().set_success_and_capture_errors( success );
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if ( ! success )
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return false;
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// Real resize
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operationdetail.add_child( OperationDetail( _("real resize") ) );
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success = ! execute_command( cmd + " " + Glib::shell_quote( partition_new.get_path() ),
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operationdetail.get_last_child(), EXEC_CHECK_STATUS|EXEC_PROGRESS_STDOUT,
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static_cast<StreamSlot>( sigc::mem_fun( *this, &ntfs::resize_progress ) ) );
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operationdetail.get_last_child().set_success_and_capture_errors( success );
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return success;
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}
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bool ntfs::copy( const Partition & src_part,
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Partition & dest_part,
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OperationDetail & operationdetail )
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{
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return ! execute_command( "ntfsclone -f --overwrite " + Glib::shell_quote( dest_part.get_path() ) +
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" " + Glib::shell_quote( src_part.get_path() ),
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operationdetail,
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EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE|EXEC_PROGRESS_STDOUT,
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static_cast<StreamSlot>( sigc::mem_fun( *this, &ntfs::clone_progress ) ) );
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}
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bool ntfs::check_repair( const Partition & partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "ntfsresize -i -f -v " + Glib::shell_quote( partition.get_path() ),
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operationdetail, EXEC_CHECK_STATUS );
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}
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//Private methods
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void ntfs::resize_progress( OperationDetail *operationdetail )
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{
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Glib::ustring line = Utils::last_line( output );
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// Text progress on the LAST LINE looks like " 15.24 percent completed"
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// NOTE:
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// Specifying text to match following the last converted variable in *scanf() is
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// ineffective because it reports the number of successfully converted variables
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// and has no way to indicate following text didn't match. Specifically:
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// sscanf( "%f percent completed", &percent )
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// will return 1 after successfully converting percent variable as 4 given this
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// line from the important information at the end of the ntfsresize output:
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// " 4) set the bootable flag for the partit"
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// Definitely not progress information.
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float percent;
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if ( line.find( "percent completed" ) != line.npos && sscanf( line.c_str(), "%f", &percent ) == 1 )
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{
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operationdetail->run_progressbar( percent, 100.0 );
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}
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// Or when finished, on any line, ...
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else if ( output.find( "Successfully resized NTFS on device" ) != output.npos )
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{
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operationdetail->stop_progressbar();
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}
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}
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void ntfs::clone_progress( OperationDetail *operationdetail )
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{
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Glib::ustring line = Utils::last_line( output );
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// Text progress on the LAST LINE looks like " 15.24 progress completed"
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float percent;
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if ( line.find( "percent completed" ) != line.npos && sscanf( line.c_str(), "%f", &percent ) == 1 )
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{
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operationdetail->run_progressbar( percent, 100.0 );
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}
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// Deliberately don't stop the progress bar when ntfsclone outputs "Syncing ..."
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// at the end as that is considered a measured part of the copy operation. The
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// progress bar will wait at 100% (or just below) until the sync completes. On
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// spinning rust that is typically a few seconds and on SSDs it won't be noticed
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// at all. Instead it is left for execute_command(), which always stops the
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// progress bar when the command finishes.
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}
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} //GParted
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