OperationDetail was storing its children in a std::vector. This means they
can be moved around in memory arbitrarily, going through indeterminate
lifetimes. This is generally a bad thing for any non trivial object and
in the case of OperationDetail, it created havoc with the way it maintains
pointers between parent/child objects for signal connections. It will now
keep only pointers to children in a std::vector instead, so their lifetime
can be controlled, fixing various crashes.
Bug 729139 - Refactor OperationDetail to address random behavior
As part of the work on bug 652044 - uses deprecated APIs, selectable
vertical alignment was defaulted to ALIGN_CENTER for all labels. The
relevant commits can be viewed in comment 26 of said bug report.
https://bugzilla.gnome.org/show_bug.cgi?id=652044#c26
For multi-line labels a vertical ALIGN_CENTER value is not
consistently aesthetically pleasing. This becomes obvious when a
single-line heading label is paired with a multi-line value label.
To improve the aesthetics, a vertical alignment of ALIGN_TOP is
preferred.
Hence re-add the ability to optionally specify a vertical alignment for
labels. If a yalign value is not specified a default vertical alignment
of ALIGN_CENTER is used.
Make the dialog resizable, add a vertical scrollbar to the information
and messages section, and set the initial height to ensure the dialog
fits entirely on an 800x600 screen.
A default height is required because some window managers, such as
fluxbox used in GParted Live, only permit resizing the height by using
the bottom corners of the dialog. If the dialog is too large for the
screen then the user would not be able to resize it.
Note that two default initial heights are used in an effort to minimize
the amount of extra whitespace.
Bug 690542 - Partition Information Dialog Warning not readable
The code used to unnecessarily destroy and re-create the file system
objects on every scan for file system support tools.
Instead only create the file system objects once and just call each
object's get_filesystem_support() method on each rescan.
Prior to commit:
1f3b11748e
Remove GParted_Core::p_filesystem (#683149)
set_proper_filesystems() used to set GParted_Core::p_filesystem member
variable to one of the FileSystem objects, but that was just treating it
like a local variable. After the commit local variables named
p_filesystem were used where required and set_proper_filesystem() became
a function which did nothing other than call get_filesystem_object().
Now remove set_proper_filesystem() altogether and use
get_filesystem_object() in its place.
Use e2image features added in e2fsprogs 1.42.9 to move/copy
an ext[234] file system more efficiently by skipping unused blocks.
Fall back to the internal copy algorithm if e2image is not found
or does not support move/copy.
Bug #721516 - Use e2image to move/copy ext[234] filesystems
Only recognises partitions containing BitLocker Disk Encryption content.
No other actions are supported.
Bug #723232 - BitLocker Disk Encryption not recognised
Restore the order of the source files so that they are once again
compiled in order A-Z, a-z. Order is obtained with:
fgrep .cc src/Makefile.am | LANG=C sort
fgrep .h include/Makefile.am | LANG=C sort
Make the dialog resizable, add a vertical scrollbar and set the minimum
(and therefore initial) height to 500 pixels. This is so that the
dialog entirely fits on an 800x600 screen, thus allowing the rescan
button to be pressed.
100 pixel difference is to account for the size of the top and bottom
GNOME 2 panels and two sets of title bars. Two sets of title bars
because the window manager tries to place the top of dialog title bars
in line with the bottom of the main window title bar.
Bug #342682 - too much information in 'features' dialog
Make the legend always shown, ready for when the dialog is resizable.
Change the widget containing the legend from an expander to a frame
widget. Set the frame to be borderless using a bold label as
recommended in the GNOME Human Interface Guidelines 2.2.1 / Controls /
Frames and Separators.
https://developer.gnome.org/hig-book/2.32/controls-frames.html.en
Bug #342682 - too much information in 'features' dialog
This is part of parent bug:
Bug #721455 - Obsolete info in license text on multiple modules
and GNOME Goal:
https://wiki.gnome.org/Initiatives/GnomeGoals/Proposals
* verify all source files to make sure they have a license and a
copyright, and that both are up-to-date
Bug #721565 - License text contains obsolete FSF postal address
In the Create Partition Table dialog display the entries in the combobox
in order.
Previously the default of MSDOS or GPT was moved to the first item in
the combobox. Now the partition table types remain in order with just
either MSDOS or GPT being selected as as the default as required.
The partition table types are displayed in the order supplied by
libparted, which is alphabetic except with "loop" last.
Bug #711098 - Default partition table can not handle > 2 TiB disks
MSDOS partition table is limited to addressing 2^32 sectors, limiting
disks using 512 byte sectors to 2 TiB in size. Fdisk reports the
following warning on disks 2 TiB and larger.
# truncate -s 2T /var/tmp/loop-2T
# losetup /dev/loop0 /var/tmp/loop-2T
# fdisk /dev/loop0
WARNING: The size of this disk is 2.2 TB (2199023255552 bytes).
DOS partition table format can not be used on drives for volumes
larger than (2199023255040 bytes) for 512-byte sectors. Use parted(1) and GUID
partition table format (GPT).
(Fdisk arguably reports this warning one sector too early. Anyway for
safety and consistency GParted will use this limit too). Continue to
use MSDOS as the default partition table type for disks smaller than 2
TiB and use GPT as the default for disks 2 TiB and larger. This
maximises compatibility.
Also remove the advanced expander and always show the partition table
list box.
Bug #711098 - Default partition table can not handle > 2 TiB disks
Many file systems are capable of growing while mounted, and a few can
even shrink. This support must be explicitly enabled at configure time
with the --enable-online-resize flag and depends on a patched libparted.
Also requires kernel >= 3.6 for partition resizing, even if the
partition is in use (BLKPG_RESIZE_PARTITION).
Thanks to Mike Fleetwood for double check mark idea instead of a second
column to show the online grow/shrink.
Bug #694622 - Add support for online resize
Read the contents of /proc/mdstat file to determine if a device is a
member of of an active RAID array.
$ cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sda1[2] sdb1[3]
524224 blocks super 1.0 [2/2] [UU]
md2 : active raid1 sdb2[2] sda2[3](F)
5238720 blocks super 1.1 [2/1] [U_]
md3 : active raid1 sdb3[1]
10477440 blocks super 1.1 [2/1] [_U]
bitmap: 1/1 pages [4KB], 65536KB chunk
md4 : inactive sda4[0](S)
1048564 blocks super 1.2
unused devices: <none>
There are 5 example Linux Software RAID arrays, md1 to md5. All are
RAID1 mirrors with 2 members, in various states.
Array Members Status
md1 sda1, sdb2 Fully operational.
md2 sda2, sdb2 Member sda2 marked as faulty. (Device sda2 is
still in use).
md3 sda3, sdb3 Member sda3 has been removed. (Device sda3 is
not in use).
md4 sda4, sdb4 Incremental start of member sda4 only. (Neither
member devices is in use).
md5 sda5, sdb5 Array stopped. (Neither member device is in
use).
Also disable "Unmount" in the partition menu for active RAID array
members.
Bug #709640 - Linux Swap Suspend and Software RAID partitions not
recognised
Recognise in kernel, Linux Swap Suspend partitions. (When hibernated
the kernel write the RAM out to swap space and changes the magic string
from swap space to suspend). Recognition required either
libparted >= 1.8.8.1 or blkid from util-linux >= 2.15 or before that
blkid from e2fsprogs >= 1.39.
Recognise Linux Software RAID partitions. Recognition requires blkid
from util-linux >= 2.15.
Example:
# blkid /dev/sda10 /dev/sda11
/dev/sda10: ... TYPE="swsuspend"
/dev/sda11: ... TYPE="linux_raid_member"
# parted /dev/sda print
Model: ATA SAMSUNG HM500JI (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
...
10 361GB 362GB 1074MB logical swsusp
11 362GB 363GB 1074MB logical raid
Bug #709640 - Linux Swap Suspend and Software RAID partitions not
recognised
Step 3 of 3:
Now that all label widgets are created with ALIGN_LEFT and ALIGN_CENTER
alignment remove the x_align and y_align parameters from mk_label() and
always use this alignment. Also specify this alignment via floats
rather than enumerators, one of which was deprecated.
Bug #652044 - uses deprecated APIs
Add concept of cursor position within the current line, separate from
the end of the buffer. This is so that programs which output a text
progress bar using backspace, such as resize2fs -p, are displayed
correctly.
Bug #709276 - Percentage indicator for subcommand
For active swap space read the usage from /proc/swaps. (Linux kernel
uses units of 1 KiB). By definition inactive swap space is 100% free.
$ cat /proc/swaps
Filename Type Size Used Priority
/dev/sda2 partition 5242876 430552 -1
Always set fs.read = FS::EXTERNAL even if /proc/swaps doesn't exist so
that an attempt is made to open the file generating a specific error, in
addition to the generic error.
open("/proc/swaps", O_RDONLY): No such file or directory
Unable to read the contents of this file system!
Because of this some operations may be unavailable.
The cause might be a missing software package.
The following list of software packages is required for linux-
swap file system support: util-linux.
Closes Bug #708107 - Usage of swap space is not reported
Currently the btrfs command outputs figures to 2 decimal places followed
by an SI multiplier, e.g. 1.00GB.
This patch to btrfs-progs has been included in the integration
repository and will likely be included in the official btrfs-progs
repository at some point. It changes btrfs-progs to use IEC
multipliers, e.g. 1.00GiB. In fact multipliers already aren't used for
figures less than 1024.
[PATCH] btrfs-progs: use IEC units for size
http://permalink.gmane.org/gmane.comp.file-systems.btrfs/26888https://patchwork.kernel.org/patch/2825841/
Make GParted capable of also accepting IEC prefix multipliers, just "B"
for bytes and no multiplier, as well as an optional space between the
number and multiplier. Therefore accept values like these:
1.00GB 1.00 GB
1.00GiB 1.00 GiB
1073741824B 1073741824 B
1073741824
Closes Bug #706914 - Prepare for btrfs tools using IEC prefix
multipliers
With recent btrfs-progs, GParted failed to format a btrfs file system
over the top of an existing one. Make btrfs failed with this error:
# mkfs.btrfs /dev/sdb1
...
/dev/sdb1 appears to contain an existing filesystem (btrfs).
Use the -f option to force overwrite.
With this commit to btrfs-progs on 2013-02-19, mkfs.btrfs checks for
existing file system signatures, including all mirror copies of btrfs
super blocks, before writing to the partition.
http://git.kernel.org/cgit/linux/kernel/git/mason/btrfs-progs.git/commit/?id=2a2d8e1962e8b6cda7b0a7584f6d2fb95d442cb6
btrfs-progs: require mkfs -f force option to overwrite filesystem or partition table
Make GParted clear all the mirror copies of the btrfs file system super
blocks as erase_filesystem_signatures() is intended to prevent detection
of old signatures. This also avoids having to determine if the -f
option to mkfs.btrfs is available before trying to use it.
Closes Bug #705426 - Formatting Existing BTRFS Partition as BTRFS Fails
Because mkfs.btrfs Is Not Run with "-f"
Dosfstools >= 3.0.18, released June 2013, renamed the programs thus:
dosfslabel becomes fatlabel,
dosfsck becomes fsck.fat,
and mkdosfs becomes mkfs.fat.
Dosfstools creates symbolic links for the old names for backward
compatibility, but unfortunately the Debian dosfstools-3.0.22-1
(experimental) package doesn't include those symbolic links. This
causes create, check and read unmounted FAT16/32 file systems to not be
supported.
Make GParted look for the new names first and the old names second.
Closes Bug #704629 - Program name changes in dosfstools 3.0.18+ break
FAT16/32 support
It was difficult to retrieve whether a filesystem's label can be set on reformat.
The read_label flag can't be used as it decides whether to use the logic in the filesystem class
rather than the fallback in GParted::set_device_partitions, to determine the label of a partition.
The create_with_label flag is NONE for file systems that we cannot format with a
label (or that we cannot format at all).
The value is usually EXTERNAL for file systems that we can format with a label.
The read-only functionality is unused and the readonly parameter is
always false in copy_filesystem() and copy_blocks() methods. This has
been the case since the copy simulation was dropped by commit:
b9b4b2e55d
Remove simulation pass ( read test ) on move
Include guards need to be unique within GParted code and all included
library header files.
http://en.wikipedia.org/wiki/Include_guard#Difficulties
Use this model for all include guards:
#ifndef GPARTED_FILE_NAME_H
#define GPARTED_FILE_NAME_H
...
#endif /* GPARTED_FILE_NAME_H */
Closes Bug #539297 - Make include guards unique
It was possible to make GParted crash by adding a label, check or new
UUID operation and then applying the operation before the view of
pending operations had finished fully opening. The operation would be
successfully applied but GParted would crash afterwards.
The fault was that Add_Operation() still enabled the Undo and Apply
buttons and processed the GTK event loop before merging the list of
pending operations. Faulty code flow went like this:
activate_*()
Add_Operation()
Add operation to the operations[] vector
Enable Undo and Apply buttons
Refresh_Visual()
Process GTK event loop
Process Apply button callback applying operations,
refreshing display and clearing operations[] vector
Merge operations in the operations[] vector
<< Core dump here >>
Merge_Operations()
Refresh_Visual()
This faulty code flow came about when merging of operations was added
and it didn't appreciate that the operations[] vector could have been
processed and cleared by Add_Operations() before the merge step.
Relevant commit:
b10349ae37
Merge overlapping operations (#438573)
Fragment of code in the label operation case:
2454 void Win_GParted::activate_label_partition()
2455 {
...
2472 Add_Operation( operation ) ;
2473
2474 // Verify if the two operations can be merged
2475 for ( unsigned int t = 0 ; t < operations .size() - 1 ; t++ )
2476 {
2477 if ( operations[ t ] ->type == OPERATION_LABEL_PARTITION )
2478 {
2479 if ( Merge_Operations( t, operations .size() - 1 ) )
2480 break;
2481 }
2482 }
Commentary in the crashing label operation case:
2472 The pending operation was already applied when Add_Operation()
returned resulting in the operations[] vector being cleared
setting its size to 0.
2475 The return type of operations.size() is an unsigned integral, so
the upper limit of the for loop is t < 0UL - 1. Assuming a
32-bit machine that's t < 4294967295.
2477 operations[] vector is access from out of bounds offset 0
upwards until unallocated memory is accessed resulting in a core
dump.
Fix this by not enabling the Undo and Apply buttons and processing the
GTK event loop until after merging of operations has been performed.
Fixed code flow goes like this:
activate_*()
Add_Operation()
Add operation to the operations[] vector
Merge operations in the operations[] vector
Merge_Operations()
show_operationslist()
Enable Undo and Apply buttons
Refresh_Visual()
Process GTK event loop
Process Apply button callback applying operations,
refreshing display and clearing operations[] vector
Not allowing the operations list to be process until after the merge
step is the be correct ordering. This also prevents the new operation
from flashing up in the operations list and then immediately
disappearing if merged. In the case of adding the first operation,
delaying enabling the Undo and Apply buttons is enough as the buttons
were previously disabled preventing the operation being applied before
the merge. In the case of adding further operations, processing of the
GTK event loop must also be delayed until after the merge to prevent the
operations being applied before the merge. Although that window of
opportunity would only be microseconds.
Bug #699452 - Crash when applying operations before pending operations
fully displayed
Mlabel sometimes writes uninitialised memory at the end of the label.
This causes mlabel, and therefore GParted, to display extra junk at the
end of the label. Depending on the bytes written GParted may also show
the following error on stdout:
(gpartedbin:18116): glibmm-CRITICAL **:
unhandled exception (type Glib::Error) in signal handler:
domain: g_convert_error
code : 1
what : Invalid byte sequence in conversion input
This is caused by a bug in mlabel, believed fixed in mtools 4.0.14.
Effects at least Fedora 14, RHEL/CentOS 6.x and Debian 6. (Use label
"1234567890" on Debian 6 to reproduce). Reproduction steps:
# mkdosfs -F16 /dev/sda7
mkdosfs 3.0.9 (31 Jan 2010)
# export MTOOLS_SKIP_CHECK=1
# mlabel ::123456 -i /dev/sda7
# mlabel -s :: -i /dev/sda7
Volume label is 123456~1t
It is not possible to detect which characters are junk so they can't be
trimmed. Instead just space pad labels so that at least newly written
labels aren't effected. (Fat labels are space padded on the disk by
definition anyway).
Bug #700228 - FAT16/32 labels are sometimes shown corrupted
There was virtually no difference between the separate modules for fat16
and fat32. Remove module fat32 and patch fat16 to serve both file
system subtypes. This is equivalent to what was previously done for
ext[234] by commit:
38dc55d49c
Combine duplicate code for ext[234]
Rename the libsigc++ signals to signal_update and signal_eof to match
the naming used for signals in GParted.
fgrep 'sigc::signal' include/*.h
Also explicitly use the emit() method rather than using the object
operator(). This again is to match the convention in GParted and make
it more obvious what is happening.
fgrep '.emit(' include/*.h
The previous commit missed one glibmm GSource wrapper in the form of the
io watch for the PipeCapture class. Convert this one to use glib
directly as well.
Bug #697727 - Segfault in livecd Gparted v 0.15.0-3 when copying
partition
The glibmm GSource wrappers have a bug where they do not do
reference counting properly, and have a race condition where
the background thread can try to touch the source after the
main thread has already processed and destroyed it. This
results in writes to freed memory and sometimes this causes
crashes or other erratic behavior. Avoid using the glibmm
wrappers and use glib directly. See bug #561885 for details
of the glibmm bug.
Bug #697727 - Segfault in livecd Gparted v 0.15.0-3 when copying partition
These functions in GParted_Core:
open_device()
open_device_and_disk()
close_disk()
close_device_and_disk()
call the following functions in the libparted API:
ped_device_get()
ped_disk_new()
ped_disk_destroy()
ped_device_destroy()
which don't open or close anything. Instead they allocate and
deallocate PedDevice and PedDisk memory structures which describe block
devices and partition tables respectively.
Rename functions:
open_device_and_disk() -> get_device_and_disk()
close_device_and_disk() -> destroy_device_and_disk()
and merge open_device() and open_device() as each only wrapped one
libparted function and was only called from a single place.
The wipefs command has the following significant limitations which were
worked around in previous commits:
1) Wasn't available in the earliest distributions supported by GParted;
2) Had to be called 3 times to erase vfat (fat16/32) signatures in all
but the most recent versions.
This meant we had all the code to clear file system signatures without
using the wipefs command as well as extra complexity of using wipefs
too. So just remove use of the wipefs command.
Bug #688882 - Improve clearing of file system signatures
Before util-linux 2.21.0, released Feb 2012, wipefs only cleared one of
the three vfat (fat16/fat32) signatures it can be detected by each time
wipefs was run. Also if a nilfs2 file system was created before all
three signatures were cleared the partition was still recognised as a
vfat file system, albeit a corrupted one, rather than as a nilfs2 file
system.
Old wipefs clearing vfat signatures:
# wipefs --version
wipefs from util-linux 2.20.1
# wipefs -a /dev/sda7
8 bytes were erased at offset 0x52 (vfat)
they were: 46 41 54 33 32 20 20 20
# wipefs -a /dev/sda7
1 bytes were erased at offset 0x0 (vfat)
they were: eb
# wipefs -a /dev/sda7
2 bytes were erased at offset 0x1fe (vfat)
they were: 55 aa
New wipefs clearing vfat signatures:
# wipefs --version
wipefs from util-linux 2.21.2
# wipefs -a /dev/sda12
8 bytes were erased at offset 0x00000052 (vfat): 46 41 54 33 32 20 20 20
1 bytes were erased at offset 0x00000000 (vfat): eb
2 bytes were erased at offset 0x000001fe (vfat): 55 aa
Workaround by calling "wipefs -a" three times if the output indicated
only one vfat signature was cleared.
Bug #688882 - Improve clearing of file system signatures
Add "cleared" to the bottom of list of file system formats available in
the Create new Partition dialog and in the Format to --> (file system
list) menu. This clears existing file system signatures in the newly
created partitions and existing partitions respectively.
Bug #688882 - Improve clearing of file system signatures
Move some code into new create_format_menu_add_item() sub-function which
adds one file system entry to the Partition --> Format to -->
(file system list) menu.
Bug #688882 - Improve clearing of file system signatures
Previously the function erase_filesystem_signatures() was used to clear
file system signatures when a new partition was created and when an
existing partition was formatted with a file system. However this was
only available with libparted <= 2.4 and then only for the file systems
which libparted supports.
Having multiple different file system signatures on a partition leads to
misidentification of file system. For example creating a nilfs2 over
the top of a fat32 file system is detected as a fat32, not nilfs2. This
shows that old file system signatures must be cleared before a new file
system is created.
Fix by always using "wipefs -a /dev/PARTITION" command to clear all old
file system signatures rather than libparted API calls. Failure from
wipefs is only considered a warning so doesn't fail the file system
creation. (This doesn't yet fully meet the "MUST be cleared"
requirement above. Will be fully met later in this patchset). Output
from the wipefs command is displayed as a new sub-step which looks like
this:
v Format /dev/sda7 as xfs 00:00:05
> calibrate /dev/sda14 00:00:01
v clear old file system signatures in /dev/sda7 00:00:01 [NEW]
> wipefs -a /dev/sda7 [NEW]
> set partition type on /dev/sda7 00:00:02
v create new xfs file system 00:00:01
> mkfs.xfs -f -L "" /dev/sda7
Also signatures are only cleared immediately before a new file system is
written and not when an unformatted partition is created. This allows
recovery from accidental partition deletion by re-creating the deleted
partition as unformatted.
Bug #688882 - Improve clearing of file system signatures
Only supports detection and creation of f2fs file systems. Requires
f2fs-tools and a blkid with f2fs support, util-linux > 2.22.2.
f2fs-tools v1.1.0 only supports file system creation.
Currently requires util-linux directly from the git repository as f2fs
support was only committed on 5 Feb 2013 and it has not yet been
released.
Closes Bug #695396 - Please apply f2fs patch
Many filesystems do not implement some of their methods, but had to provide
dummy implementations. Remove all of the dummy implementations and instead
just provide one in the base FileSystem class.
The details view refused to use additional space, even after the window was
expanded, instead continuing to use the scrollbars. Now resizing the
window will be allowed regardless of the state of the details expander, and
the details view will expand to use the extra space. Also request enough
initial width to not need a horizontal scrollbar.
Closes:
Bug 602635 - list of tasks in apply dialog does not expand to the available
vertical space
Bug 662722 - Increase default width of "applying..." dialog to include the
"Details" status icons
There were separate modules for ext3 and ext4 even though there
were virtually no differences with ext2. Remove the duplicate
modules and patch ext2 to serve as a common reference for all
three sub types.
Interested operations can now connect a signal to their OperationDetail
to be notified of a cancelation request. The internal copy/move code
will now cleanly stop on cancelation, allowing the partition to be
rolled back to its previous state. This makes canceling a move
perfectly safe.
After clicking cancel, the button changes to "Force Cancel" and is
disabled for 5 seconds. Operations that are safe to cancel will do so
and those that are not will continue to run. Clicking force cancel
asks operations to cancel, even if doing so is unsafe. For the
internal copy/move algorithm, canceling is always safe because an
error results in a rollback operation. Canceling the rollback is
unsafe. For external commands, filesystem modules may indicate
that the command is safe to cancel or not. Canceled commands will
be terminated with SIGINT.
As a result of the new safe cancel vs force cancel distinction, the
scary warning about cancl causing corruption has been moved to
after clicking the force cancel button.
Part of Bug #601239 - Please allow 'Cancel after current operation'
Have the copy code create a background thread to do the actual copying so
that it won't block the main loop.
Part of Bug 685740 - Refactor to use asynchronous command execution
Phillip Susi