Mentioned Solaris and system dependent drive permission settings
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8a4698bd58
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@ -41,8 +41,8 @@ components:
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plus on FreeBSD: libiconv, libcam, IDE and SATA drives need atapicam
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Optional at compile time are:
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libreadline and the readline-dev headers make dialog mode more convenient.
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on GNU/Linux: libacl and libacl-devel allow getting and setting ACLs.
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zlib and zlib-devel allow zisofs compression.
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on GNU/Linux: libacl and libacl-devel allow getting and setting ACLs.
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If they were present at compile time, then the optional libraries have to
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be present at runtime, too.
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@ -134,24 +134,29 @@ A list of rw-accessible drives can be obtained by
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xorriso -devices
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CD devices which offer no rw-permission are invisible to normal users.
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CD devices which offer not enough permission are invisible to normal users.
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The superuser should be able to see any usable drive and then set the
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permissions as needed.
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On Linux and FreeBSD, rw-permissions are needed.
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On Solaris, the privilege "sys_devices" and r-permission are needed.
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The output of xorriso -devices might look like
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0 -dev '/dev/sr0' rwrw-- : 'TSSTcorp' 'CDDVDW SH-S203B'
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1 -dev '/dev/hda' rwrw-- : 'HL-DT-ST' 'DVD-ROM GDR8162B'
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Full and insecure enabling of both for everybody would look like
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On Linux, full and insecure enabling of both for everybody would look like
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chmod a+rw /dev/sr0 /dev/hda
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This is equivalent to the traditional setup chmod a+x,u+s cdrecord.
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On FreeBSD, device permissions are to be set in /etc/devfs.rules.
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On Solaris, pfexec privileges may be restricted to "base,sys_devices".
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See below "System Dependend Drive Permission Examples".
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I strongly discourage to run xorriso with setuid root or via sudo !
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It is not checked for the necessary degree of hacker safety.
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Consider to put all authorized users into group "floppy", to chgrp the
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device file to that group and to disallow w-access to others.
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Better consider to grant the necessary permissions to group "floppy"
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and to add users to it.
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A possible source of problems are hald or other automounters.
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@ -293,6 +298,83 @@ setup unless you have reason to enforce a newer bug fix level.
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GNU xorriso has less runtime dependencies and can be moved more freely.
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System Dependend Drive Permission Examples
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Accessing the optical drives requires privileges which usually are granted
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only to the superuser. GNU/Linux, FreeBSD and Solaris offer quite different
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approaches for avoiding the need for unrestricted privileges.
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First check whether some friendly system setting already allows you to
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access the drives as normal user:
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xorriso -devices
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Those drives of which you see address and type strings are already usable.
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If there remain drives invisible which the superuser can see by the same
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command, then the following examples might help:
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---------------------
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On all three systems:
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---------------------
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Add the authorized users of CD drives to group "floppy" in /etc/group.
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If missing: create this group.
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Changes to /etc/group often only affect new login sessions. So log out and in
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before making the first tests.
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-------------
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On GNU/Linux:
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-------------
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Allow rw-access to the drives
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chgrp floppy /dev/sr0 /dev/sr1
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chmod g+rw /dev/sr0 /dev/sr1
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It might be necessary to perform chgrp and chmod after each reboot or to
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edit distro dependent device configuration files for permanent settings.
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-----------
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On FreeBSD:
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-----------
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Edit /etc/devfs.rules and make sure to have these lines
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[localrules=10]
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add path 'acd*' mode 0664 group floppy
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add path 'cd*' mode 0664 group floppy
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add path 'pass*' mode 0664 group floppy
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add path 'xpt*' mode 0664 group floppy
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[localrules=5]
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add path 'pass*' mode 0664 group floppy
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add path 'cd*' mode 0664 group floppy
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add path 'xpt*' mode 0664 group floppy
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add path 'acd*' mode 0664 group floppy
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Edit /etc/rc.conf and add the following line if missing
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devfs_system_ruleset="localrules"
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This gets into effect by reboot or by command
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/etc/rc.d/devfs start
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-----------
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On Solaris:
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-----------
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Run xorriso by
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pfexec xorriso ...arguments...
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The following settings will make pfexec keep original UID and EUID and prevent
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most superuser powers. Be aware that you still can manipulate all device files
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if you have the file permissions for that.
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Full root privileges for xorriso can then be aquired only by command su.
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Edit /etc/security/exec_attr and add this line to the other "Media Backup"
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lines:
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Media Backup:solaris:cmd:::/usr/local/bin/xorriso:privs=basic,sys_devices
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Edit /etc/user_attr and add profile "Media Backup" to the user's line:
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thomas::::profiles=Media Backup,Primary Administrator;roles=root
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See also man privileges, man exec_attr, man user_attr.
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Then allow the group r-access to the drives
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pfexec chgrp floppy /dev/rdsk/c3t0d0s2 /dev/rdsk/c4t0d0s2
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pfexec chmod g+r /dev/rdsk/c3t0d0s2 /dev/rdsk/c4t0d0s2
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The last two commands have to be executed after each boot. I do not know
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the relevant device configuration files yet.
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------------------------------------------------------------------------------
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This program is free software; you can redistribute it and/or modify
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@ -9,7 +9,7 @@
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.\" First parameter, NAME, should be all caps
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.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
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.\" other parameters are allowed: see man(7), man(1)
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.TH XORRISO 1 "May 22, 2010"
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.TH XORRISO 1 "Jun 10, 2010"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.\" Some roff macros, for reference:
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@ -291,6 +291,10 @@ On FreeBSD the device files have names like
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.br
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-dev /dev/cd0
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.br
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On OpenSolaris:
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.br
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-dev /dev/rdsk/c4t0d0s2
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.br
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Get a list of accessible drives by command
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.br
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-devices
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@ -3145,7 +3149,7 @@ Personality "\fBmkisofs\fR" accepts the options listed with:
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Among them: -R (always on), -r, -J, -o, -M, -C, -path-list, -m, -exclude-list,
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-f, -print-size, -pad, -no-pad, -V, -v, -version, -graft-points, -z,
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-no-emul-boot, -b, -c, -boot-info-table, -boot-load-size, -input-charset, -G,
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-output-charset, pathspecs as with xorriso -add.
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-output-charset, -U, pathspecs as with xorriso -add.
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A lot of options are not supported and lead to failure of the mkisofs
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emulation. Some are ignored, but better do not rely on this tolerance.
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.br
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@ -3497,8 +3501,10 @@ Restore directory trees from a particular ISO session to disk
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Try to retrieve blocks from a damaged media
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.SS
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.B As superuser learn about available drives
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Consider to give rw permissions to those users or groups
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On Linux or FreeBSD consider to give rw-permissions to those users or groups
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which shall be able to use the drives with xorriso.
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On Solaris use pfexec. Consider to restrict privileges of xorriso to
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"base,sys_devices" and to give r-permission to user or group.
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.br
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$ xorriso -devices
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.br
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@ -4013,7 +4019,7 @@ for libburnia-project.org
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.SH COPYRIGHT
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Copyright (c) 2007 - 2010 Thomas Schmitt
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.br
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Permission is granted to distrubute this text freely. It shall only be
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Permission is granted to distribute this text freely. It shall only be
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modified in sync with the technical properties of xorriso. If you make use
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of the license to derive modified versions of xorriso then you are entitled
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to modify this text under that same license.
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@ -265,6 +265,8 @@ character device. E.g.
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-dev /dev/sg2
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On FreeBSD the device files have names like
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-dev /dev/cd0
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On OpenSolaris:
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-dev /dev/rdsk/c4t0d0s2
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Get a list of accessible drives by command
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-devices
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It might be necessary to do this as *superuser* in order to see all
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@ -2816,10 +2818,10 @@ programs trigger comparable actions.
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Among them: -R (always on), -r, -J, -o, -M, -C, -path-list, -m,
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-exclude-list, -f, -print-size, -pad, -no-pad, -V, -v, -version,
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-graft-points, -z, -no-emul-boot, -b, -c, -boot-info-table,
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-boot-load-size, -input-charset, -G, -output-charset, pathspecs as
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with xorriso -add. A lot of options are not supported and lead to
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failure of the mkisofs emulation. Some are ignored, but better do
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not rely on this tolerance.
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-boot-load-size, -input-charset, -G, -output-charset, -U,
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pathspecs as with xorriso -add. A lot of options are not
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supported and lead to failure of the mkisofs emulation. Some are
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ignored, but better do not rely on this tolerance.
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-graft-points is equivalent to -pathspecs on. Note that pathspecs
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without "=" are interpreted differently than with xorriso option
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-add. Directories get merged with the root directory of the ISO
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@ -3117,8 +3119,10 @@ File: xorriso.info, Node: ExDevices, Next: ExCreate, Prev: Frontend, Up: Exa
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10.1 As superuser learn about available drives
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==============================================
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Consider to give rw permissions to those users or groups which shall be
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able to use the drives with xorriso.
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On Linux or FreeBSD consider to give rw-permissions to those users or
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groups which shall be able to use the drives with xorriso. On Solaris
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use pfexec. Consider to restrict privileges of xorriso to
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"base,sys_devices" and to give r-permission to user or group.
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$ xorriso -devices
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0 -dev '/dev/sr0' rwrw-- : '_NEC ' 'DVD_RW ND-4570A'
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@ -3614,7 +3618,7 @@ for libburnia-project.org
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==============
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Copyright (c) 2007 - 2010 Thomas Schmitt
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Permission is granted to distrubute this text freely. It shall only be
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Permission is granted to distribute this text freely. It shall only be
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modified in sync with the technical properties of xorriso. If you make
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use of the license to derive modified versions of xorriso then you are
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entitled to modify this text under that same license.
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@ -4059,51 +4063,51 @@ Node: Model3209
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Node: Media6089
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Node: Methods8519
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Node: Drives11066
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Node: Extras14332
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Node: Processing17730
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Node: Dialog21226
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Node: Options22883
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Node: AqDrive24451
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Node: Loading27357
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Node: Insert39792
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Node: SetInsert48149
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Node: Manip56716
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Node: CmdFind64592
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Node: Filter73937
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Node: Writing78286
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Node: SetWrite84575
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Node: Bootable94859
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Node: Charset102607
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Node: Exception105361
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Node: DialogCtl109876
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Node: Inquiry112221
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Node: Navigate116361
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Node: Verify123715
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Node: Restore132135
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Node: Emulation138791
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Node: Scripting145660
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Node: Frontend151222
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Node: Examples152423
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Node: ExDevices153592
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Node: ExCreate154074
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Node: ExDialog155348
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Node: ExGrowing156610
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Node: ExModifying157412
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Node: ExBootable157913
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Node: ExCharset158460
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Node: ExPseudo159288
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Node: ExCdrecord160182
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Node: ExMkisofs160497
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Node: ExGrowisofs161500
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Node: ExException162624
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Node: ExTime163078
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Node: ExIncBackup163537
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Node: ExRestore167009
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Node: ExRecovery167978
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Node: Files168544
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Node: Seealso169582
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Node: Legal170106
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Node: CommandIdx171028
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Node: ConceptIdx184329
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Node: Extras14372
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Node: Processing17770
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Node: Dialog21266
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Node: Options22923
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Node: AqDrive24491
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Node: Loading27397
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Node: Insert39832
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Node: SetInsert48189
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Node: Manip56756
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Node: CmdFind64632
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Node: Filter73977
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Node: Writing78326
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Node: SetWrite84615
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Node: Bootable94899
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Node: Charset102647
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Node: Exception105401
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Node: DialogCtl109916
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Node: Inquiry112261
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Node: Navigate116401
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Node: Verify123755
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Node: Restore132175
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Node: Emulation138831
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Node: Scripting145704
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Node: Frontend151266
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Node: Examples152467
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Node: ExDevices153636
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Node: ExCreate154270
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Node: ExDialog155544
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Node: ExGrowing156806
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Node: ExModifying157608
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Node: ExBootable158109
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Node: ExCharset158656
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Node: ExPseudo159484
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Node: ExCdrecord160378
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Node: ExMkisofs160693
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Node: ExGrowisofs161696
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Node: ExException162820
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Node: ExTime163274
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Node: ExIncBackup163733
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Node: ExRestore167205
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Node: ExRecovery168174
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Node: Files168740
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Node: Seealso169778
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Node: Legal170302
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Node: CommandIdx171224
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Node: ConceptIdx184525
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End Tag Table
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@ -19,7 +19,7 @@
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@c The first line gets discarded.
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@c Line start "@c man " will become "", the remainder is put out unaltered.
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@c Lines "@*" will be converted to ".br"
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@c @c man-ignore-lines N will discard N following lines.
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@c "@c man-ignore-lines N" will discard N following lines.
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@c "@c man-ignore-lines begin" discards all following lines
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@c up to "@c man-ignore-lines end".
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@c Line blocks of "@menu" "@end menu" will be discarded.
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@ -44,7 +44,7 @@
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@c man .\" First parameter, NAME, should be all caps
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@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
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@c man .\" other parameters are allowed: see man(7), man(1)
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@c man .TH XORRISO 1 "May 22, 2010"
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@c man .TH XORRISO 1 "Jun 10, 2010"
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@c man .\" Please adjust this date whenever revising the manpage.
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@c man .\"
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@c man .\" Some roff macros, for reference:
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@ -410,6 +410,10 @@ On FreeBSD the device files have names like
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@*
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-dev /dev/cd0
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@*
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On OpenSolaris:
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@*
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-dev /dev/rdsk/c4t0d0s2
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@*
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Get a list of accessible drives by command
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@*
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-devices
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@ -3766,7 +3770,7 @@ Personality "@strong{mkisofs}" accepts the options listed with:
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Among them: -R (always on), -r, -J, -o, -M, -C, -path-list, -m, -exclude-list,
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-f, -print-size, -pad, -no-pad, -V, -v, -version, -graft-points, -z,
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-no-emul-boot, -b, -c, -boot-info-table, -boot-load-size, -input-charset, -G,
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-output-charset, pathspecs as with xorriso -add.
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-output-charset, -U, pathspecs as with xorriso -add.
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A lot of options are not supported and lead to failure of the mkisofs
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emulation. Some are ignored, but better do not rely on this tolerance.
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@*
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@ -4206,8 +4210,10 @@ Use text as name of this program and perform -help.
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@c man .B As superuser learn about available drives
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@node ExDevices, ExCreate, Frontend, Examples
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@section As superuser learn about available drives
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Consider to give rw permissions to those users or groups
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On Linux or FreeBSD consider to give rw-permissions to those users or groups
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which shall be able to use the drives with xorriso.
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On Solaris use pfexec. Consider to restrict privileges of xorriso to
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"base,sys_devices" and to give r-permission to user or group.
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@*
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@sp 1
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$ xorriso -devices
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@ -4886,7 +4892,7 @@ for libburnia-project.org
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@section Copyright
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Copyright (c) 2007 - 2010 Thomas Schmitt
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@*
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Permission is granted to distrubute this text freely. It shall only be
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Permission is granted to distribute this text freely. It shall only be
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modified in sync with the technical properties of xorriso. If you make use
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of the license to derive modified versions of xorriso then you are entitled
|
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to modify this text under that same license.
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