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xorriso

ISO 9660 Rock Ridge Filesystem Manipulator for Linux and FreeBSD

Purpose:

xorriso copies file objects from POSIX compliant filesystems into Rock Ridge enhanced ISO 9660 filesystems and allows session-wise manipulation of such filesystems. It can load the management information of existing ISO images and it writes the session results to optical media or to filesystem objects.
Vice versa xorriso is able to restore file objects from ISO 9660 filesystems.


Direct hop to download links ->

Hardware requirements:

A CD/DVD/BD recorder suitable for http://libburnia-project.org
(SCSI , ATA , USB , or SATA writers compliant to standard MMC-3 for CD and to MMC-5 for DVD or BD).

Software requirements :

Linux with kernel 2.4 or higher (and libc, of course) :
With kernel 2.4 an ATA drive has to be under ide-scsi emulation.
With kernel 2.6 the drive should not be under ide-scsi.
or FreeBSD (with libc, of course) :
ATAPI/CAM support has to be enabled in the kernel, see atapicam(4).
libpthread
is supposed to be a standard system component.
libreadline and libreadline-dev
are optional and eventually make dialog more convenient.

GPL software included:

libburn-0.6.1
reads and writes data from and to CD, DVD, BD.
(founded by Derek Foreman and Ben Jansens, developed and maintained since August 2006 by Thomas Schmitt from team of libburnia-project.org)
libisofs-0.6.12
operates on ISO 9660 filesystem images.
(By Vreixo Formoso and Mario Danic from team of libburnia-project.org)
libisoburn-0.3.2
coordinates libburn and libisofs, emulates multi-session where needed.
(By Vreixo Formoso and Thomas Schmitt from team of libburnia-project.org)
The source code of this software is independent of cdrecord and mkisofs.

This program has been tested on Intel/AMD Linux and on FreeBSD systems.
For ports to other usable systems contact us.


Special features:

Command Examples:

Get an overview of drives and their addresses
# xorriso -devices
...
0 -dev '/dev/sr0' rwrw-- : 'TSSTcorp' 'CDDVDW SH-S203B'
1 -dev '/dev/scd1' rwrw-- : 'PHILIPS ' 'SPD3300L'
2 -dev '/dev/hda' rwrw-- : 'HL-DT-ST' 'DVD-ROM GDR8162B'
...
Being superuser avoids permission problems with /dev/srN resp. /dev/hdX .
Ordinary users should then get granted rw access to the /dev files as listed by option -devices.
 
Options are either performed as program arguments or as dialog input. Some options have a parameter list of variable length. This list has to be terminated by word '--' or by the end of the input line. Option -add may accept pathspecs of form target=source as known from program mkisofs.

Get info about a particular drive and loaded media:
$ xorriso -indev /dev/sr0 -du / -- -toc 2>&1 | less
Make re-usable media writable again, delete any ISO 9660 image, eventually prepare yet unused BD-RE:
$ xorriso -outdev /dev/sr0 -blank as_needed -eject all

Write some directories into a new or existing ISO 9660 image:
$ xorriso -dev /dev/sr0 -add /home/me/sounds /home/me/pictures
Have a look at the result:
$ xorriso -indev /dev/sr0 -du / -- -toc 2>&1 | less

Create new ISO-9660 filesystem image, compose content, adjust permissions to make it publicly read-only, write it to media and immediately eject media without previously reloading the written image.
$ cd /home/me
$ xorriso -outdev /dev/sr0 -blank as_needed \
  -map /home/me/sounds /sounds \
  -map /home/me/pictures /pictures \
  -rm_r /sounds/indecent '/pictures/*private*' -- \
  -cd / \
  -add pictures/private/horses* -- \
  -chmod_r a+r,a-w / -- \
  -find / -type d -exec chmod a+x -- \
  -volid SOUNDS_PICS_2008_01_16 \
  -commit_eject all

Load the previous session from media, remove (i.e. hide) directory /sounds, rename /pictures/private/horses, add new directory trees /sounds and /movies, disallow any access for group and others. Finally write as additional session to media and eject:
$ xorriso -dev /dev/sr0 \
  -rm_r /sounds -- \
  -mv /pictures/private/horses /horse_show -- \
  -map /home/me/prepared_for_dvd/sounds_dummy /sounds \
  -map /home/me/prepared_for_dvd/movies /movies \
  -chmod_r go-rwx / -- \
  -volid SOUNDS_PICS_2008_01_17 \
  -commit_eject all

Merge the various sessions from old readable media into a single session on new writeable media, cleaning out all invalidated files and session overhead. Touch / in order to mark the image as worth to be written.
Important: -indev and -outdev have to be different drives.
$ xorriso -indev /dev/dvd \
  -alter_date a +0 / -- \
  -outdev /dev/sr0 -blank fast \
  -commit_eject all

Dialog mode accepts one or more options per line. An option and all its arguments have to be given in one single line. Command -end stops the program run. It will write eventually pending changes to media, if that has not already been done by a previous -commit.
$ xorriso -dialog on
enter option and arguments :
-dev /dev/sr0
enter option and arguments :
-map /home/me/prepared_for_dvd/sounds_dummy /sounds
enter option and arguments :
-map /home/me/prepared_for_dvd/movies /movies
Available navigation commands: -cd, -ls, -du, -find
enter option and arguments :
-commit
... perform further commands and finally do:
enter option and arguments :
-end

The following command performs incremental backup. It can be run on blank media to create a copy of the mentioned disk directory trees, and it can be run on appendable media to perform a minimal set of change operations which update the old ISO copies to match the new disk trees. Older states can be retrieved by help of mount options like "sbsector=" or by help of xorriso option -mount.
Only blank media or media with volume id "PROJECTS_MAIL_..." will be accepted. Files with names ending by ".o" or ".swp" are excluded by options -not_leaf.
$ xorriso -assert_volid 'PROJECTS_MAIL_*' FATAL \ \
   -dev /dev/sr0 \
   -volid PROJECTS_MAIL_"$(date '+%Y_%m_%d_%H%M%S')" \
   -not_leaf '*.o' -not_leaf '*.swp' \
   -update_r /home/thomas/open_source_projects /open_source_projects \
   -update_r /home/thomas/personal_mail /personal_mail \
   -commit -toc -eject all

Operating systems usually mount the most recent session on media. xorriso can issue the appropriate mount commands for older sessions. First get an overview of the sessions on disk:
$ xorriso -outdev /dev/sr0 -toc
TOC layout   : Idx ,  sbsector ,       Size , Volume Id
ISO session  :   1 ,         0 ,    104719s , PROJECTS_MAIL_2008_08_10_231435
ISO session  :   2 ,    106928 ,      6785s , PROJECTS_MAIL_2008_08_14_184548
...
ISO session  :  76 ,    820384 ,     11035s , PROJECTS_MAIL_2009_01_04_191150
Then become superuser and let xorriso mount the session of August 14, 2008 to directory /mnt:
# xorriso -mount /dev/sr0 volid '*_2008_08_14_*' /mnt
To be later unmounted by: umount /mnt

After the user has already created a suitable file tree on disk and copied the ISOLINUX files into subdirectory ./boot/isolinux of that tree, xorriso can burn an El Torito bootable media:
$ xorriso -outdev /dev/sr0 -blank as_needed \
   -map /home/me/ISOLINUX_prepared_tree / \
   -boot_image isolinux dir=/boot/isolinux
An additional MBR is generated if the file isolinux.bin is modern enough (syslinux version 3.72) and ready for "isohybrid". An MBR enables booting from hard disk or USB stick.
ISO images may not only be stored on optical media but also in regular disk files or block devices for full multi-session operation.
$ xorriso -dev /tmp/regular_file ...other.options...
A default setting for safety reasons requires that files below /dev/ need prefix "stdio:" if they do not lead to MMC burner devices. Be cautious not to overwrite your hard disk instead of your USB stick:
$ xorriso -dev stdio:/dev/sdb ...other.options...
Other file types are suitable only for writing but not for reading:
$ xorriso -outdev /tmp/named_pipe ...other.options...
In batch mode it is possible to operate xorriso in a pipeline with an external consumer of the generated ISO image. Any message output will be redirected to stderr in this case.
$ xorriso -outdev - ...other.options... | consumer

Let xorriso serve underneath growisofs via its alias name "xorrisofs" which enables mkisofs emulation:
$ export MKISOFS="xorrisofs"
$ growisofs -Z /dev/dvd /some/files
$ growisofs -M /dev/dvd /more/files
One may switch from mkisofs emulation to xorriso's own command mode:
$ growisofs -M /dev/dvd -- outdev - -update_r /my/files /files

If for any reason the reading operating system mishandles the ISO image or some files in it, one may enable reverse operation of xorriso and copy files or trees to disk:
$ xorriso -indev /dev/sr0 \
   -osirrox on \
   -cpx '/pictures/private/horses*/*buttercup*' \
       /home/her/buttercup_dir -- \
   -extract /sounds /home/her/sounds_from_me
Consider to enter dialog mode and use commands like -cd , -du , -lsl , -find.

Get overview of the options:
$ xorriso -help
Read the detailed manual page:
$ man xorriso


Download as source code (see README):

xorriso-0.3.2.pl01.tar.gz (1100 KB).
Documentation:
README about installation and drive setup
xorriso -help gives an overview of options
man xorriso is the manual page
Contact:
Thomas Schmitt, scdbackup@gmx.net
libburn development mailing list, libburn-hackers@pykix.org
License:
GPL version 2, an Open Source approved license
 


Bug fixes towards xorriso-0.3.0.pl00:

Bug fixes towards xorriso-0.3.2.pl00:

Enhancements towards previous stable version xorriso-0.3.0.pl00:


Development snapshot, version 0.3.3 :

Bug fixes towards xorriso-0.3.2.pl00:
  • BD-R were not correctly finalized
Enhancements towards stable version 0.3.2.pl00:
  • New option -acl controls import and export of ACLs
  • New options -getfacl, -getfacl_r, -setfacl , -setfacl_r , -setfacl_list
  • New -find tests -has_acl, -has_no_acl, new -find actions getfacl, setfacl
  • New option -xattr controls import and export of Extended Attributes
  • New options -getfattr, -getfattr_r, -setfattr, -setfattr_r
  • New -find tests -has_xattr, -has_aaip, new -find actions getfattr, setfattr
 
README 0.3.3
xorriso_0.3.3 -help
man xorriso (as of 0.3.3)
 
If you want to distribute development versions of xorriso, then use this tarball which produces static linking between xorriso and the libburnia libraries.
Source (./bootstrap is already applied, build tested, installation see README)
On Linux the system-side ACL features of this development version depend on libacl and libacl-devel. On FreeBSD the system ACL features are part of libc. The availability of ACL features depends on the individual filesystems and on their mount options.
xorriso-0.3.3.tar.gz (1160 KB).
A dynamically linked development version of xorriso can be obtained from repositories of libburnia-project.org. xorriso is part of libisoburn/trunk and will get built by its "make".
Be warned that the libraries in SVN and bzr are development versions with possibly unstable API/ABI enhancements. Do not distribute development versions for dynamic linking. Only release versions are safe for that.
Download: svn co http://svn.libburnia-project.org/libburn/trunk libburn
Install: cd libburn ; ./bootstrap ; ./configure --prefix /usr ; make ; make install
Download: bzr branch lp:libisofs
Install: cd libisofs ; ./bootstrap ; ./configure --prefix /usr ; make ; make install
Download: svn co http://svn.libburnia-project.org/libisoburn/trunk libisoburn
Install: cd libisoburn ; ./bootstrap ; ./configure --prefix /usr ; make ; make install
Build of SVN versions needs autotools of at least version 1.7 installed. But after the run of ./bootstrap, only vanilla tools like make and gcc are needed.
 


Many thanks to Derek Foreman and Ben Jansens for starting libburn.
Very special thanks to Andy Polyakov whose dvd+rw-tools provide the libburnia project with invaluable examples on how to deal with DVD media and how to emulate multi-session on overwriteable media.




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Links to my other published software projects :
cdrskin, a cdrecord emulator
scdbackup, multi volume CD backup
(a second source of above)
Some Tools for Image Collectors
pppoem, a DSL throughput monitor (mainly for Linux kernel 2.4)


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