1.\" $NetBSD: mount_cd9660.8,v 1.29 2017/06/07 15:24:50 abhinav Exp $ 2.\" 3.\" Copyright (c) 2004 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.\" 28.\" Copyright (c) 1993, 1994 29.\" The Regents of the University of California. All rights reserved. 30.\" 31.\" This code is derived from software donated to Berkeley by 32.\" Christopher G. Demetriou. 33.\" 34.\" Redistribution and use in source and binary forms, with or without 35.\" modification, are permitted provided that the following conditions 36.\" are met: 37.\" 1. Redistributions of source code must retain the above copyright 38.\" notice, this list of conditions and the following disclaimer. 39.\" 2. Redistributions in binary form must reproduce the above copyright 40.\" notice, this list of conditions and the following disclaimer in the 41.\" documentation and/or other materials provided with the distribution. 42.\" 3. Neither the name of the University nor the names of its contributors 43.\" may be used to endorse or promote products derived from this software 44.\" without specific prior written permission. 45.\" 46.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 47.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 50.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56.\" SUCH DAMAGE. 57.\" 58.\" @(#)mount_cd9660.8 8.3 (Berkeley) 3/27/94 59.\" 60.Dd January 3, 2009 61.Dt MOUNT_CD9660 8 62.Os 63.Sh NAME 64.Nm mount_cd9660 65.Nd mount an ISO-9660 file system 66.Sh SYNOPSIS 67.Nm 68.Op Fl o Ar options 69.Ar special node 70.Sh DESCRIPTION 71The 72.Nm 73command attaches the ISO-9660 file system residing on the device 74.Pa special 75to the global file system namespace at the location indicated by 76.Pa node . 77Both 78.Ar special 79and 80.Ar node 81are converted to absolute paths before use. 82.Pp 83The options are as follows: 84.Bl -tag -width indent 85.It Fl o 86Options are specified with a 87.Fl o 88flag followed by a comma separated string of options. 89Besides options mentioned in 90.Xr mount 8 91man page, following cd9660-specific options are supported: 92.Bl -tag -width indent 93.It Cm extatt 94Enable the use of extended attributes. 95.It Cm gens 96Do not strip version numbers on files and leave the case of the filename 97alone. 98(By default, uppercase characters are translated to lowercase, 99and if there are files with different version numbers on the disk, 100only the last one will be listed.) 101.Pp 102In either case, files may be opened without giving a 103version number, in which case you get the last one, or by explicitly 104stating a version number (albeit it's quite difficult to know it, if 105you are not using the 106.Cm gens 107option), in which case you get the specified version. 108.It Cm nocasetrans 109A synonym for 110.Cm nomaplcase . 111.It Cm nojoliet 112Do not make use of Joliet extensions for long filenames which 113may be present in the file system. 114.Pp 115Interpretation of Joliet extensions is enabled by default, Unicode 116file names are encoded into UTF-8. 117.It Cm nomaplcase 118File names on cd9660 cdrom without Rock Ridge extension present 119should be uppercase only. 120By default, cd9660 recodes file 121names read from a non-Rock Ridge disk to all lowercase characters. 122.Cm nomaplcase 123turns off this mapping. 124.It Cm norrip 125Do not use any Rockridge extensions included in the file system. 126.It Cm nrr 127Same as 128.Cm norrip . 129For compatibility with Solaris only. 130.It Cm rrcaseins 131Makes all lookups case-insensitive even for CD-ROMs with Rock-Ridge 132extensions (for Rock-Ridge, default is case-sensitive lookup). 133.El 134.El 135.Pp 136For compatibility with previous releases, following obsolete flags are 137still recognized: 138.Bl -tag -width indent 139.It Fl e 140Same as 141.Fl o 142.Cm extatt . 143.It Fl j 144Same as 145.Fl o 146.Cm nojoliet . 147.It Fl g 148Same as 149.Fl o 150.Cm gens . 151.It Fl r 152Same as 153.Fl o 154.Cm norrip . 155.El 156.Sh SEE ALSO 157.Xr mount 2 , 158.Xr unmount 2 , 159.Xr fstab 5 , 160.Xr mount 8 , 161.Xr mscdlabel 8 162.Sh HISTORY 163The 164.Nm 165utility first appeared 166.Bx 4.4 . 167Support for Joliet file system appeared in 168.Nx 1.4 . 169Options 170.Cm nomaplcase 171and 172.Cm rrcaseins 173were added in 174.Nx 1.5 . 175UTF-8 encoding of Unicode file names for Joliet file systems was added in 176.Nx 3.0 . 177.Sh NOTES 178For Joliet file systems, the Unicode file names used to be filtered 179to ISO-8859-1 character set. 180This changed in 181.Nx 3.0 , 182file names are encoded into UTF-8 now by default. 183The behaviour is controllable by the 184.Em vfs.cd9660.utf8_joliet 185sysctl; the former behaviour is available by setting it to 0. 186.Sh BUGS 187For some cdroms the information in the Rock Ridge extension is wrong 188and the cdrom needs to be mounted with "norrip". 189A sign that something is wrong is that the 190.Xr stat 2 191system call returns 192.Er EBADF 193causing, e.g., "ls -l" to fail with "Bad file descriptor". 194.Pp 195The cd9660 file system does not support the original "High Sierra" 196("CDROM001") format. 197.Pp 198POSIX device node mapping is currently not supported. 199.Pp 200Version numbers are not stripped if Rockridge extensions are in use. 201In this case, you have to use the original name of the file as recorded 202on disk, i.e. use uppercase and append the version number to the file. 203.Pp 204There is no ECMA support. 205