128 lines
3.7 KiB
Groff
128 lines
3.7 KiB
Groff
.\" Copyright (c) 2004 Roland Smith <rsmith@xs4all.nl>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 21, 2010
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.Dt DEVFS.RULES 5
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.Os
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.Sh NAME
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.Nm devfs.rules
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.Nd devfs configuration information
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.Sh DESCRIPTION
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The
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.Nm
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file provides an easy way to create and apply
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.Xr devfs 8
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rules, even for devices that are not available at boot.
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.Pp
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For devices available at boot, see
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.Xr devfs.conf 5 .
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.Pp
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The format of this file is simple.
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Empty lines and lines beginning with a hash sign
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.Pq Ql #
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are ignored.
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A line between brackets denotes the start of a ruleset.
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In the brackets should be the name of the ruleset and its number,
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separated by an equal sign.
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.Pp
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Other lines are rule specifications as documented in
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.Xr devfs 8 ,
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in the section
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.Sx "Rule Specification" .
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These lines are prepended with
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.Dq Li rule
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and are passed to
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.Xr devfs 8
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by the startup scripts of the system.
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It is important to put path elements that contain
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.Xr glob 3
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special characters between quotes.
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.Pp
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Rulesets should have a unique name and number.
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.Pp
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All rules that follow a ruleset declaration belong to that ruleset, until a
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new ruleset is started.
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.Pp
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One custom ruleset has to be enabled in
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.Pa /etc/rc.conf ,
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otherwise it will not be applied to the
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.Pa /dev
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file system by the default system startup process.
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For example, to enable a
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.Dq Li localrules
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ruleset for the
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.Pa /dev
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file system, you would have to use something like this in your
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.Pa rc.conf
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file:
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.Bd -literal -offset indent
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devfs_system_ruleset="localrules"
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.Ed
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.Sh FILES
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.Bl -tag -compact -width Pa
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.It Pa /etc/defaults/devfs.rules
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Default
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.Nm
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configuration file.
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.It Pa /etc/devfs.rules
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Local
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.Nm
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configuration file. Rulesets in here override those in
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.Pa /etc/defaults/devfs.rules
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with the same ruleset number, otherwise the two files are effectively merged.
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.El
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.Sh EXAMPLES
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To make all the partitions of
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.Xr da 4
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devices readable and writable by their owner and the
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.Dq Li usb
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group, the following rule may be used:
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.Pp
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.Dl "[localrules=10]"
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.Dl "add path 'da*s*' mode 0660 group usb"
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.Pp
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The first line declares and starts a new ruleset, with the name
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.Va localrules
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and the number 10.
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.Pp
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To give
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.Xr usbconfig 8
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and
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.Xr libusb 3
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enabled applications permission to all usb devices for their owner and the
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.Dq Li usb
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group, a similar rule may be used:
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.Pp
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.Dl "add path 'usb/*' mode 0660 group usb"
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.Sh SEE ALSO
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.Xr glob 3 ,
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.Xr devfs 5 ,
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.Xr devfs.conf 5 ,
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.Xr devfs 8
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.Sh AUTHORS
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This manual page was written by
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.An Roland Smith Aq Mt rsmith@xs4all.nl .
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