Add eeprom(8), a utility to display and modify system configurations
stored in EEPROM or NVRAM. It's inspired by the NetBSD eeprom(8) and the SunOS/Solaris eeprom(1M) utilities. Currently, this eeprom(8) only supports systems equipped with Open Firmware and is only tested on Sun machines but should work on any platform using Open Firmware. A bit more specific, eeprom(8) can be used on these systems to do the same under FreeBSD as can be done using the printenv and setenv commandos in the boot monitor. One thing that only hardly can be done using the boot monitor but easily with eeprom(8) is to write a logo to the "oem-logo" property. eeprom(8) may also be useful to recover the boot monitor password (in the default configuration only as root, of course), i.e. when the boot monitor allows you to boot but you can't alter the configuration because the password is unknown. The man page may also be a useful reference of the various configuration variables. The idea of eeprom(8) is that handlers can be written to add support for any firmware that stores such configuration in EEPROM or NVRAM; sort of e.g. eeprom(1M) on Solaris/x86 is used to turn PAE-support on and off (stored in a file then, not hardware). In FreeBSD, a candidate for this would be a handler for the EFI boot environment for FreeBSD/ia64. eeprom(8) uses some code from NetBSD (eeprom.c and the base for eeprom.8), the handler for the Open Firmware /options node (ofw_options.[c,h]) was written using ofw_util.[c,h] from ofwdump(8). Reviewed by: ru (slightly earlier version of the man page)
This commit is contained in:
Marius Strobl
parent
8cc2c16287
commit
96818a07a7
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=129590
12
usr.sbin/eeprom/Makefile
Normal file
12
usr.sbin/eeprom/Makefile
Normal file
@ -0,0 +1,12 @@
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# $FreeBSD$
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.PATH: ${.CURDIR}/../ofwdump
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PROG= eeprom
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MAN= eeprom.8
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MANSUBDIR= /sparc64
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SRCS= eeprom.c ofw_options.c ofw_util.c
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WARNS?= 6
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CFLAGS+= -I${.CURDIR}/../ofwdump
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.include <bsd.prog.mk>
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668
usr.sbin/eeprom/eeprom.8
Normal file
668
usr.sbin/eeprom/eeprom.8
Normal file
@ -0,0 +1,668 @@
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.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
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.\" Copyright (c) 2004 Marius Strobl
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Jason R. Thorpe.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" from: NetBSD: eeprom.8,v 1.11 2003/03/31 01:31:39 perry Exp
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.\" $FreeBSD$
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.\"
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.Dd May 16, 2004
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.Dt EEPROM 8 sparc64
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.Os
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.Sh NAME
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.Nm eeprom
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.Nd "display or modify contents of the EEPROM or NVRAM"
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.Sh SYNOPSIS
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.Nm
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.Fl a
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.Nm
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.Op Fl
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.Ar name Ns Op = Ns Ar value
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.Ar ...
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.Sh DESCRIPTION
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The
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.Nm
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utility provides an interface for displaying and changing the system's
|
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configuration variables contained in EEPROM or NVRAM.
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In the first synopsis form, all available configuration variables and their
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current values are printed.
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In the second form, only the variable selected by
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.Ar name
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and its value is printed or changed if
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.Ar name
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is followed by
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.Ql =
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and a
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.Ar value .
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Fl
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Commands for displaying or changing variables are taken from stdin, allowing
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one
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.Ar name
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or one
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.Ar name
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and
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.Ar value
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pair per line.
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The output is printed on stdout.
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.It Fl a
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Print all available configuration variables and their current values.
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.El
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.Sh VARIABLES AND VALUES
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Below are variables and values that one is likely to find on a system equipped
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with OpenBoot 3.x and Open Firmware respectively.
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.Pp
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Note: the attempt to set a variable to an illegal value results in the
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Open Firmware setting it to some legal value instead.
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The
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.Nm
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utility will detect this, try to recover the previous value of the variable
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and issue a warning telling that the requested value could not be set.
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.Bl -tag -width ".Va last-hardware-update"
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.It Va auto-boot?
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If
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.Dq Li true ,
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the system will try to boot automatically from the devices listed in
|
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.Va boot-device
|
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and
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.Va diag-device
|
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respectively, using the command specified in
|
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.Va boot-command
|
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at power-up.
|
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Default:
|
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.Dq Li true .
|
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.It Va auto-boot-retry?
|
||||
If set to
|
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.Dq Li true
|
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and
|
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.Va auto-boot?
|
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is also set to
|
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.Dq Li true ,
|
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the system will try to boot from the specified boot devices forever.
|
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Default:
|
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.Dq Li false .
|
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.It Va ansi-terminal?
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If
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.Dq Li false ,
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.Tn ANSI
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escape sequences are not interpreted by the terminal emulator.
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Default:
|
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.Dq Li true .
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.It Va boot-command
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Command executed when
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.Va auto-boot?
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is set to
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.Dq Li true .
|
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Default:
|
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.Dq Li boot .
|
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.It Va boot-device
|
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Default device to boot from if
|
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.Va diag-switch?
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is set to
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.Dq Li false .
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Takes one or more device aliases or device paths.
|
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The boot devices are sequentially tried to boot from, beginning with the first
|
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one specified.
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Default:
|
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.Dq Li "net disk" .
|
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.It Va cpci-probe-list
|
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Digits in the format
|
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.Dq Li 0,1,2
|
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specifying in which order to probe the devices on the CompactPCI bus at
|
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power-up.
|
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Default: system-dependent.
|
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.It Va boot-file
|
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Default arguments for boot when
|
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.Va diag-switch?
|
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is set to
|
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.Dq Li false .
|
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When empty, the secondary boot loader will choose the file to boot.
|
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Default: empty string.
|
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.It Va diag-device
|
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Like
|
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.Va boot-device .
|
||||
Used when
|
||||
.Va diag-switch?
|
||||
is set to
|
||||
.Dq Li true .
|
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Default:
|
||||
.Dq Li net .
|
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.It Va diag-file
|
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Like
|
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.Va boot-file .
|
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Used when
|
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.Va diag-switch?
|
||||
is set to
|
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.Dq Li true .
|
||||
Default: empty string.
|
||||
.It Va diag-level
|
||||
Level of diagnostics to run when
|
||||
.Va diag-switch?
|
||||
is set to
|
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.Dq Li true .
|
||||
Possible values are
|
||||
.Dq Li max ,
|
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.Dq Li menus ,
|
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.Dq Li min
|
||||
and
|
||||
.Dq Li off
|
||||
(depending on the system model).
|
||||
When set to
|
||||
.Dq Li off ,
|
||||
the Power-On Self Test (POST) is not run.
|
||||
The other values are interpreted by the POST.
|
||||
Default:
|
||||
.Dq Li min
|
||||
or
|
||||
.Dq Li max
|
||||
(system-dependent).
|
||||
.It Va diag-switch?
|
||||
If
|
||||
.Dq Li true ,
|
||||
the system will boot and run in diagnostic mode.
|
||||
Default:
|
||||
.Dq Li false
|
||||
or
|
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.Dq Li true
|
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(system-dependent).
|
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.It Va env-monitor
|
||||
Enables or disables the Advanced System Monitoring (ASM).
|
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Possible values are
|
||||
.Dq Li enabled
|
||||
and
|
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.Dq Li disabled .
|
||||
Default:
|
||||
.Dq Li enabled .
|
||||
.It Va fcode-debug?
|
||||
Used for debugging FCode programs.
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
names of additional FCodes are registered in the Forth dictionary.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va hardware-revision
|
||||
A string describing the system hardware version.
|
||||
Default: system-dependent.
|
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.It Va input-device
|
||||
One of the strings
|
||||
.Dq Li keyboard ,
|
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.Dq Li ttya ,
|
||||
or
|
||||
.Dq Li ttyb ,
|
||||
specifying the default console input device.
|
||||
Default:
|
||||
.Dq Li keyboard
|
||||
or
|
||||
.Dq Li ttya
|
||||
(system-dependent).
|
||||
.It Va keyboard-click?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the keys click annoyingly.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va keymap
|
||||
Keymap for a custom keyboard.
|
||||
Default: empty string.
|
||||
.It Va last-hardware-update
|
||||
Similar to
|
||||
.Va hardware-revision ,
|
||||
describing when the hardware was last updated.
|
||||
Default: system-dependent.
|
||||
.It Va last-poweroff-cause
|
||||
Cause of the last power-off.
|
||||
Used internally by the OpenBoot PROM.
|
||||
Default:
|
||||
.Dq Li 0 .
|
||||
.It Va load-base
|
||||
Default address where client programs are loaded to.
|
||||
It is unlikely that this value should ever be changed.
|
||||
Default:
|
||||
.Dq Li 16384 .
|
||||
.It Va local-mac-address?
|
||||
If set to
|
||||
.Dq Li false ,
|
||||
all Ethernet devices will use the system default MAC address.
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
Ethernet devices which have a unique MAC address will use it rather
|
||||
than the system's default MAC address.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va mfg-mode
|
||||
Manufacture test mode interpreted by the POST.
|
||||
Possible values are
|
||||
.Dq Li chamber
|
||||
and
|
||||
.Dq Li off .
|
||||
Default:
|
||||
.Dq Li off .
|
||||
.It Va mfg-switch?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
manufacturing tests are repeated until stopped by pressing STOP-A.
|
||||
Default:
|
||||
.Dq Li off .
|
||||
.It Va net-timeout
|
||||
If set to
|
||||
.Dq Li 0 ,
|
||||
the system will try to boot forever when the boot device used is a network
|
||||
device.
|
||||
Any non-zero value is interpreted as minutes to try a network boot.
|
||||
Default:
|
||||
.Dq Li 0 .
|
||||
.It Va nvramrc
|
||||
Contents of the NVRAMRC.
|
||||
Default: empty string.
|
||||
.Pp
|
||||
While
|
||||
.Va nvramrc
|
||||
can be set using
|
||||
.Nm ,
|
||||
it is preferred to use
|
||||
.Ic nvedit
|
||||
in the boot monitor instead.
|
||||
.It Va oem-banner
|
||||
A string displayed at power-up, rather than the default banner.
|
||||
Used when
|
||||
.Va oem-banner?
|
||||
is set to
|
||||
.Dq Li true .
|
||||
Default: system-dependent.
|
||||
.It Va oem-banner?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the string stored in
|
||||
.Va oem-banner
|
||||
is displayed at power-up rather than the default banner.
|
||||
Default: system-dependent.
|
||||
.It Va oem-logo
|
||||
A logo displayed at power-up when
|
||||
.Va oem-logo?
|
||||
is set to
|
||||
.Dq Li true ,
|
||||
rather than the default logo.
|
||||
The logo has to be 512 bytes in size, containing a 64x64-bit monochrome image
|
||||
in Sun Raster format without the leading 32-byte header.
|
||||
Default: system-dependent.
|
||||
.Pp
|
||||
To set the logo with
|
||||
.Nm ,
|
||||
give the pathname of the file containing the image as the
|
||||
.Ar value .
|
||||
Using an empty
|
||||
.Ar value
|
||||
will remove the image.
|
||||
.It Va oem-logo?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the logo stored in
|
||||
.Va oem-logo
|
||||
is displayed at power-up rather than the default logo.
|
||||
.It Va output-device
|
||||
One of the strings
|
||||
.Dq Li screen ,
|
||||
.Dq Li ttya ,
|
||||
or
|
||||
.Dq Li ttyb ,
|
||||
specifying the default console output device.
|
||||
Default:
|
||||
.Dq Li screen
|
||||
or
|
||||
.Dq Li ttya
|
||||
(system-dependent).
|
||||
.It Va pcia-probe-list
|
||||
Digits in the format
|
||||
.Dq Li 1,2,3
|
||||
specifying in which order to probe the devices on the PCI bus A.
|
||||
Default: system-dependent.
|
||||
.It Va pcib-probe-list
|
||||
Like
|
||||
.Va pcia-probe-list ,
|
||||
but for PCI bus B.
|
||||
Default: system-dependent.
|
||||
.It Va #power-cycles
|
||||
Number of power-cycles.
|
||||
Automatically incremented on each power-cycle.
|
||||
Default: system-dependent.
|
||||
.It Va sbus-probe-list
|
||||
Digits in the format
|
||||
.Dq Li 0123
|
||||
specifying in which order to probe the SBus slots at power-up.
|
||||
Default: system-dependent.
|
||||
.It Va screen-#columns
|
||||
An integer specifying the screen width in characters per line.
|
||||
Default:
|
||||
.Dq Li 80 .
|
||||
.It Va screen-#rows
|
||||
An integer specifying the scren height in lines.
|
||||
Default:
|
||||
.Dq Li 34 .
|
||||
.It Va scsi-initiator-id
|
||||
The SCSI ID of SCSI controllers in the range of [0-7] or [0-f] (depending
|
||||
on the controller).
|
||||
A SCSI controller may or may not adhere to this setting, depending on its
|
||||
FCode and device driver.
|
||||
Default:
|
||||
.Dq Li 7 .
|
||||
.It Va security-#badlogins
|
||||
Number of incorrect password attempts when
|
||||
.Va security-mode
|
||||
is set to
|
||||
.Dq Li command
|
||||
or
|
||||
.Dq Li full .
|
||||
Default:
|
||||
.Dq Li 0 .
|
||||
.It Va security-mode
|
||||
Boot monitor security level.
|
||||
One of the three possible values
|
||||
.Dq Li full ,
|
||||
.Dq Li command ,
|
||||
or
|
||||
.Dq Li none .
|
||||
When set to
|
||||
.Dq Li full ,
|
||||
all boot monitor commands except for
|
||||
.Ic go
|
||||
require the password.
|
||||
When set to
|
||||
.Dq Li command ,
|
||||
all boot monitor commands except for
|
||||
.Ic boot
|
||||
and
|
||||
.Ic go
|
||||
require the password.
|
||||
When set to
|
||||
.Dq Li none ,
|
||||
no password is required.
|
||||
Default:
|
||||
.Dq Li none .
|
||||
.Pp
|
||||
When
|
||||
.Nm
|
||||
is used to set
|
||||
.Va security-mode
|
||||
to
|
||||
.Dq Li full
|
||||
or
|
||||
.Dq Li command ,
|
||||
you will be prompted for the password.
|
||||
When
|
||||
.Va security-mode
|
||||
is set to
|
||||
.Dq Li none ,
|
||||
.Nm
|
||||
will clear the password.
|
||||
.It Va security-password
|
||||
The password used when
|
||||
.Va security-mode
|
||||
is set to
|
||||
.Dq Li full
|
||||
or
|
||||
.Dq Li command .
|
||||
The maximum length for this password is 8 characters.
|
||||
All characters exceeding this length will be ignored.
|
||||
The value displayed for
|
||||
.Va security-password
|
||||
is always an empty string, even when a password is set.
|
||||
Default: empty string.
|
||||
.Pp
|
||||
When
|
||||
.Va security-mode
|
||||
is set to
|
||||
.Dq Li full
|
||||
or
|
||||
.Dq Li command ,
|
||||
.Nm
|
||||
can be used to enter a new password using any
|
||||
.Ar value
|
||||
for
|
||||
.Va security-password
|
||||
on the command line.
|
||||
You will be prompted by
|
||||
.Nm
|
||||
to type in the new password in this case.
|
||||
Trying to set
|
||||
.Va security-password
|
||||
when
|
||||
.Va security-mode
|
||||
is set to
|
||||
.Dq Li none
|
||||
using
|
||||
.Nm
|
||||
has no effect.
|
||||
.It Va selftest-#megs
|
||||
An integer specifying the number of megabytes of memory to test upon
|
||||
power-up when
|
||||
.Va diag-switch?
|
||||
is set to
|
||||
.Dq Li false .
|
||||
Default:
|
||||
.Dq Li 1 .
|
||||
.It Va shutdown-temperature
|
||||
Temperature at which the ASM issues an over-temperature shutdown.
|
||||
Default: system-dependent.
|
||||
.It Va silent-mode
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
memory test messages will not be displayed at power-up.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va sunmon-compat?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the old bootROM interface will be used while in the boot monitor,
|
||||
rather than the OpenBoot PROM interface.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va system-board-date
|
||||
Manufacturing date of the system board.
|
||||
Default: system-dependent.
|
||||
.It Va system-board-serial#
|
||||
Serial number of the system board.
|
||||
Default: system-dependent.
|
||||
.It Va tpe-link-test?
|
||||
Enable link test on 10baseT and 100baseTX Ethernet devices.
|
||||
Default:
|
||||
.Dq Li true .
|
||||
.It Va ttya-mode
|
||||
A string of five comma separated fields in the format
|
||||
.Dq Li 9600,8,n,1,- .
|
||||
The first field is the baud rate.
|
||||
The second field is the number of data bits.
|
||||
The third field is the parity; acceptable values for parity are
|
||||
.Ql n
|
||||
(none),
|
||||
.Ql e
|
||||
(even),
|
||||
.Ql o
|
||||
(odd),
|
||||
.Ql m
|
||||
(mark), and
|
||||
.Ql s
|
||||
(space).
|
||||
The fourth field is the number of stop bits.
|
||||
The fifth field is the
|
||||
.Dq handshake
|
||||
field; acceptable values are
|
||||
.Ql -
|
||||
(none),
|
||||
.Ql h
|
||||
(RTS/CTS), and
|
||||
.Ql s
|
||||
(Xon/Xoff).
|
||||
Default:
|
||||
.Dq Li 9600,8,n,1,- .
|
||||
.It Va ttya-ignore-cd
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the system will ignore carrier detect.
|
||||
Default:
|
||||
.Dq Li true .
|
||||
.It Va ttya-rts-dtr-off
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the system will ignore RTS/DTR.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va ttyb-mode
|
||||
Like
|
||||
.Va ttya-mode ,
|
||||
but for ttyb.
|
||||
Default:
|
||||
.Dq Li 9600,8,n,1,- .
|
||||
.It Va ttyb-ignore-cd
|
||||
Like
|
||||
.Va ttya-ignore-cd ,
|
||||
but for ttyb.
|
||||
Default:
|
||||
.Dq Li true .
|
||||
.It Va ttyb-rts-dtr-off
|
||||
Like
|
||||
.Va ttya-rts-dtr-off ,
|
||||
but for ttyb.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va use-boot-table?
|
||||
Use boot table defined by the OEM.
|
||||
Default: system-dependent.
|
||||
.It Va use-nvramrc?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the script stored in
|
||||
.Va nvramrc
|
||||
will be executed during start-up.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va warning-temperature
|
||||
Temperature at which the ASM issues an over-temperature warning.
|
||||
Default: system-dependent.
|
||||
.It Va watchdog-enable
|
||||
Enables or disables the system watchdog timer.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va watchdog-reboot?
|
||||
If set to
|
||||
.Dq Li true ,
|
||||
the system will reboot upon terminal count of the system watchdog timer.
|
||||
If set to
|
||||
.Dq Li false ,
|
||||
the system will fall into the boot monitor.
|
||||
Default:
|
||||
.Dq Li false .
|
||||
.It Va watchdog-timeout
|
||||
Expiry limit for the system watchdog timer.
|
||||
Range and unit depend on the system model.
|
||||
Default: system-dependent.
|
||||
.El
|
||||
.Sh EXAMPLES
|
||||
Print all available configuration variables and their current values:
|
||||
.Pp
|
||||
.Dl "eeprom -a"
|
||||
.Pp
|
||||
Print the current value of the
|
||||
.Va local-mac-address?
|
||||
variable:
|
||||
.Pp
|
||||
.Dl "eeprom local-mac-address\e?"
|
||||
.Pp
|
||||
Set the value of the
|
||||
.Va local-mac-address?
|
||||
variable to
|
||||
.Dq Li true :
|
||||
.Pp
|
||||
.Dl "eeprom local-mac-address\e?=true"
|
||||
.Pp
|
||||
Note that the
|
||||
.Ql \e
|
||||
in the above examples is used to keep the shell from interpreting the
|
||||
.Ql \&? .
|
||||
.Pp
|
||||
Write an image to the
|
||||
.Va oem-logo
|
||||
variable:
|
||||
.Pp
|
||||
.Dl "eeprom oem-logo=/path/to/image.raw"
|
||||
.Pp
|
||||
Remove the image from the
|
||||
.Va oem-logo
|
||||
variable again:
|
||||
.Pp
|
||||
.Dl "eeprom oem-logo="
|
||||
.Pp
|
||||
Set the value of the
|
||||
.Va security-mode
|
||||
variable to
|
||||
.Dq Li full ,
|
||||
and set the password:
|
||||
.Bd -literal -offset indent
|
||||
eeprom security-mode=full
|
||||
New password:
|
||||
Retype new password:
|
||||
.Ed
|
||||
.Pp
|
||||
Remember that the maximum length for the password is 8 characters.
|
||||
All characters exceeding this length will be ignored.
|
||||
.Pp
|
||||
Set a new password when the
|
||||
.Va security-mode
|
||||
variable is set to
|
||||
.Dq Li command
|
||||
or
|
||||
.Dq Li full :
|
||||
.Bd -literal -offset indent
|
||||
eeprom security-password=
|
||||
New password:
|
||||
Retype new password:
|
||||
.Ed
|
||||
.Sh SEE ALSO
|
||||
.Xr ofwdump 8
|
||||
.Sh HISTORY
|
||||
The
|
||||
.Nm
|
||||
utility first appeared in
|
||||
.Fx 5.3 .
|
||||
It is inspired by the
|
||||
.Nx
|
||||
.Xr eeprom 8
|
||||
and SunOS/Solaris
|
||||
.Xr eeprom 1M
|
||||
utilities.
|
||||
.Sh BUGS
|
||||
Currently,
|
||||
.Nm
|
||||
only supports systems equipped with Open Firmware and is only tested on Sun
|
||||
Microsystems sun4u machines.
|
||||
153
usr.sbin/eeprom/eeprom.c
Normal file
153
usr.sbin/eeprom/eeprom.c
Normal file
@ -0,0 +1,153 @@
|
||||
/*-
|
||||
* Copyright (c) 1996 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* from: NetBSD: main.c,v 1.15 2001/02/19 23:22:42 cgd Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <err.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sysexits.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "ofw_options.h"
|
||||
|
||||
static int action(char *);
|
||||
static void dump_config(void);
|
||||
static void usage(void);
|
||||
|
||||
static void
|
||||
usage(void)
|
||||
{
|
||||
|
||||
fprintf(stderr,
|
||||
"usage: eeprom -a\n"
|
||||
" eeprom [-] name[=value] ...\n");
|
||||
exit(EX_USAGE);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
int do_stdin, opt;
|
||||
int aflag, rv;
|
||||
char *cp;
|
||||
char line[BUFSIZ];
|
||||
|
||||
aflag = do_stdin = 0;
|
||||
rv = EX_OK;
|
||||
while ((opt = getopt(argc, argv, "-a")) != -1) {
|
||||
switch (opt) {
|
||||
case '-':
|
||||
if (aflag)
|
||||
usage();
|
||||
do_stdin = 1;
|
||||
break;
|
||||
case 'a':
|
||||
if (do_stdin)
|
||||
usage();
|
||||
aflag = 1;
|
||||
break;
|
||||
case '?':
|
||||
default:
|
||||
usage();
|
||||
/* NOTREACHED */
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (aflag) {
|
||||
if (argc != 0)
|
||||
usage();
|
||||
dump_config();
|
||||
} else {
|
||||
if (do_stdin) {
|
||||
while (fgets(line, BUFSIZ, stdin) != NULL &&
|
||||
rv == EX_OK) {
|
||||
if (line[0] == '\n')
|
||||
continue;
|
||||
if ((cp = strrchr(line, '\n')) != NULL)
|
||||
*cp = '\0';
|
||||
rv = action(line);
|
||||
}
|
||||
if (ferror(stdin))
|
||||
err(EX_NOINPUT, "stdin");
|
||||
} else {
|
||||
if (argc == 0)
|
||||
usage();
|
||||
while (argc && rv == EX_OK) {
|
||||
rv = action(*argv);
|
||||
++argv;
|
||||
--argc;
|
||||
}
|
||||
}
|
||||
}
|
||||
return (rv);
|
||||
}
|
||||
|
||||
static int
|
||||
action(char *line)
|
||||
{
|
||||
int rv;
|
||||
char *keyword, *arg;
|
||||
|
||||
keyword = strdup(line);
|
||||
if (keyword == NULL)
|
||||
err(EX_OSERR, "malloc() failed");
|
||||
if ((arg = strrchr(keyword, '=')) != NULL)
|
||||
*arg++ = '\0';
|
||||
switch (rv = ofwo_action(keyword, arg)) {
|
||||
case EX_UNAVAILABLE:
|
||||
warnx("nothing available for '%s'.", keyword);
|
||||
break;
|
||||
case EX_DATAERR:
|
||||
warnx("invalid value '%s' for '%s'.", arg, keyword);
|
||||
break;
|
||||
}
|
||||
free(keyword);
|
||||
return(rv);
|
||||
}
|
||||
|
||||
static void
|
||||
dump_config()
|
||||
{
|
||||
|
||||
ofwo_dump();
|
||||
}
|
||||
314
usr.sbin/eeprom/ofw_options.c
Normal file
314
usr.sbin/eeprom/ofw_options.c
Normal file
@ -0,0 +1,314 @@
|
||||
/*-
|
||||
* Copyright (c) 2004 Marius Strobl
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
|
||||
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
/*
|
||||
* Handlers for Open Firmware /options node.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <dev/ofw/openfirm.h>
|
||||
|
||||
#include <err.h>
|
||||
#include <fcntl.h>
|
||||
#include <readpassphrase.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sysexits.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "ofw_options.h"
|
||||
#include "ofw_util.h"
|
||||
|
||||
#define OFWO_LOGO 512
|
||||
#define OFWO_MAXPROP 31
|
||||
#define OFWO_MAXPWD 8
|
||||
|
||||
struct ofwo_extabent {
|
||||
const char *ex_prop;
|
||||
int (*ex_handler)(struct ofwo_extabent *, int, const void *,
|
||||
int, const char *);
|
||||
};
|
||||
|
||||
static int ofwo_oemlogo(struct ofwo_extabent *, int, const void *, int,
|
||||
const char *);
|
||||
static int ofwo_secmode(struct ofwo_extabent *, int, const void *, int,
|
||||
const char *);
|
||||
static int ofwo_secpwd(struct ofwo_extabent *, int, const void *, int,
|
||||
const char *);
|
||||
|
||||
static struct ofwo_extabent ofwo_extab[] = {
|
||||
{ "oem-logo", ofwo_oemlogo },
|
||||
{ "security-mode", ofwo_secmode },
|
||||
{ "security-password", ofwo_secpwd },
|
||||
{ NULL, NULL }
|
||||
};
|
||||
|
||||
static int ofwo_setpass(int);
|
||||
static __inline void ofwo_printprop(const char *, const char*, int);
|
||||
static int ofwo_setstr(int, const void *, int, const char *,
|
||||
const char *);
|
||||
|
||||
static int
|
||||
ofwo_oemlogo(struct ofwo_extabent *exent, int fd, const void *buf, int buflen,
|
||||
const char *val)
|
||||
{
|
||||
int lfd;
|
||||
char logo[OFWO_LOGO + 1];
|
||||
|
||||
if (val) {
|
||||
if (val[0] == '\0')
|
||||
ofw_setprop(fd, ofw_optnode(fd), exent->ex_prop, "", 1);
|
||||
else {
|
||||
if ((lfd = open(val, O_RDONLY)) == -1) {
|
||||
warn("could not open '%s'", val);
|
||||
return (EX_USAGE);
|
||||
}
|
||||
if (read(lfd, logo, OFWO_LOGO) != OFWO_LOGO ||
|
||||
lseek(lfd, 0, SEEK_END) != OFWO_LOGO) {
|
||||
close(lfd);
|
||||
warnx("logo '%s' has wrong size.", val);
|
||||
return (EX_USAGE);
|
||||
}
|
||||
close(lfd);
|
||||
logo[OFWO_LOGO] = '\0';
|
||||
if (ofw_setprop(fd, ofw_optnode(fd), exent->ex_prop,
|
||||
logo, OFWO_LOGO + 1) != OFWO_LOGO)
|
||||
errx(EX_IOERR, "writing logo failed.");
|
||||
}
|
||||
} else
|
||||
if (buflen != 0)
|
||||
printf("%s: <logo data>\n", exent->ex_prop);
|
||||
else
|
||||
ofwo_printprop(exent->ex_prop, (const char *)buf,
|
||||
buflen);
|
||||
return (EX_OK);
|
||||
}
|
||||
|
||||
static int
|
||||
ofwo_secmode(struct ofwo_extabent *exent, int fd, const void *buf, int buflen,
|
||||
const char *val)
|
||||
{
|
||||
int res;
|
||||
|
||||
if (val) {
|
||||
if (strcmp(val, "full") == 0 || strcmp(val, "command") == 0) {
|
||||
if ((res = ofwo_setpass(fd)) != EX_OK)
|
||||
return (res);
|
||||
if ((res = ofwo_setstr(fd, buf, buflen, exent->ex_prop,
|
||||
val)) != EX_OK)
|
||||
ofw_setprop(fd, ofw_optnode(fd),
|
||||
"security-password", "", 1);
|
||||
return (res);
|
||||
}
|
||||
if (strcmp(val, "none") == 0) {
|
||||
ofw_setprop(fd, ofw_optnode(fd), "security-password",
|
||||
"", 1);
|
||||
return (ofwo_setstr(fd, buf, buflen, exent->ex_prop,
|
||||
val));
|
||||
}
|
||||
return (EX_DATAERR);
|
||||
} else
|
||||
ofwo_printprop(exent->ex_prop, (const char *)buf, buflen);
|
||||
return (EX_OK);
|
||||
}
|
||||
|
||||
static int
|
||||
ofwo_secpwd(struct ofwo_extabent *exent, int fd __unused,
|
||||
const void *buf __unused, __unused int buflen, const char *val)
|
||||
{
|
||||
void *pbuf;
|
||||
int len, pblen, rv;
|
||||
|
||||
pblen = 0;
|
||||
rv = EX_OK;
|
||||
pbuf = NULL;
|
||||
if (val) {
|
||||
len = ofw_getprop_alloc(fd, ofw_optnode(fd), "security-mode",
|
||||
&pbuf, &pblen, 1);
|
||||
if (len <= 0 || strncmp("none", (char *)pbuf, len) == 0) {
|
||||
rv = EX_CONFIG;
|
||||
warnx("no security mode set.");
|
||||
} else if (strncmp("command", (char *)pbuf, len) == 0 ||
|
||||
strncmp("full", (char *)pbuf, len) == 0) {
|
||||
rv = ofwo_setpass(fd);
|
||||
} else {
|
||||
rv = EX_CONFIG;
|
||||
warnx("invalid security mode.");
|
||||
}
|
||||
} else
|
||||
ofwo_printprop(exent->ex_prop, (const char *)buf, buflen);
|
||||
if (pbuf != NULL)
|
||||
free(pbuf);
|
||||
return (rv);
|
||||
}
|
||||
|
||||
static int
|
||||
ofwo_setpass(int fd)
|
||||
{
|
||||
char pwd1[OFWO_MAXPWD + 1], pwd2[OFWO_MAXPWD + 1];
|
||||
|
||||
if (readpassphrase("New password:", pwd1, sizeof(pwd1),
|
||||
RPP_ECHO_OFF | RPP_REQUIRE_TTY) == NULL ||
|
||||
readpassphrase("Retype new password:", pwd2, sizeof(pwd2),
|
||||
RPP_ECHO_OFF | RPP_REQUIRE_TTY) == NULL)
|
||||
errx(EX_USAGE, "failed to get password.");
|
||||
if (strlen(pwd1) == 0) {
|
||||
printf("Password unchanged.\n");
|
||||
return (EX_OK);
|
||||
}
|
||||
if (strcmp(pwd1, pwd2) != 0) {
|
||||
printf("Mismatch - password unchanged.\n");
|
||||
return (EX_USAGE);
|
||||
}
|
||||
ofw_setprop(fd, ofw_optnode(fd), "security-password", pwd1,
|
||||
strlen(pwd1) + 1);
|
||||
return (EX_OK);
|
||||
}
|
||||
|
||||
static void
|
||||
ofwo_printprop(const char *prop, const char* buf, int buflen)
|
||||
{
|
||||
|
||||
printf("%s: %.*s\n", prop, buflen, buf);
|
||||
}
|
||||
|
||||
static int
|
||||
ofwo_setstr(int fd, const void *buf, int buflen, const char *prop,
|
||||
const char *val)
|
||||
{
|
||||
void *pbuf;
|
||||
int len, pblen, rv;
|
||||
phandle_t optnode;
|
||||
char *oval;
|
||||
|
||||
pblen = 0;
|
||||
rv = EX_OK;
|
||||
pbuf = NULL;
|
||||
optnode = ofw_optnode(fd);
|
||||
ofw_setprop(fd, optnode, prop, val, strlen(val) + 1);
|
||||
len = ofw_getprop_alloc(fd, optnode, prop, &pbuf, &pblen, 1);
|
||||
if (len < 0 || strncmp(val, (char *)pbuf, len) != 0) {
|
||||
/*
|
||||
* The value is too long for this property and the OFW has
|
||||
* truncated it to fit or the value is illegal and a legal
|
||||
* one has been written instead (e.g. attempted to write
|
||||
* "foobar" to a "true"/"false"-property) - try to recover
|
||||
* the old value.
|
||||
*/
|
||||
rv = EX_DATAERR;
|
||||
if ((oval = malloc(buflen + 1)) == NULL)
|
||||
err(EX_OSERR, "malloc() failed.");
|
||||
strncpy(oval, buf, buflen);
|
||||
oval[buflen] = '\0';
|
||||
len = ofw_setprop(fd, optnode, prop, oval, buflen + 1);
|
||||
if (len != buflen)
|
||||
errx(EX_IOERR, "recovery of old value failed.");
|
||||
free(oval);
|
||||
goto out;
|
||||
}
|
||||
printf("%s: %.*s%s->%s%.*s\n", prop, buflen, (const char *)buf,
|
||||
buflen > 0 ? " " : "", len > 0 ? " " : "", len, (char *)pbuf);
|
||||
out:
|
||||
if (pbuf != NULL)
|
||||
free(pbuf);
|
||||
return (rv);
|
||||
}
|
||||
|
||||
void
|
||||
ofwo_dump(void)
|
||||
{
|
||||
void *pbuf;
|
||||
int fd, len, nlen, pblen;
|
||||
phandle_t optnode;
|
||||
char prop[OFWO_MAXPROP + 1];
|
||||
struct ofwo_extabent *ex;
|
||||
|
||||
pblen = 0;
|
||||
pbuf = NULL;
|
||||
fd = ofw_open(O_RDONLY);
|
||||
optnode = ofw_optnode(fd);
|
||||
for (nlen = ofw_firstprop(fd, optnode, prop, sizeof(prop)); nlen != 0;
|
||||
nlen = ofw_nextprop(fd, optnode, prop, prop, sizeof(prop))) {
|
||||
len = ofw_getprop_alloc(fd, optnode, prop, &pbuf, &pblen, 1);
|
||||
if (len < 0)
|
||||
continue;
|
||||
if (strcmp(prop, "name") == 0)
|
||||
continue;
|
||||
for (ex = ofwo_extab; ex->ex_prop != NULL; ++ex)
|
||||
if (strcmp(ex->ex_prop, prop) == 0)
|
||||
break;
|
||||
if (ex->ex_prop != NULL)
|
||||
(*ex->ex_handler)(ex, fd, pbuf, len, NULL);
|
||||
else
|
||||
ofwo_printprop(prop, (char *)pbuf, len);
|
||||
}
|
||||
if (pbuf != NULL)
|
||||
free(pbuf);
|
||||
ofw_close(fd);
|
||||
}
|
||||
|
||||
int
|
||||
ofwo_action(const char *prop, const char *val)
|
||||
{
|
||||
void *pbuf;
|
||||
int fd, len, pblen, rv;
|
||||
phandle_t optnode;
|
||||
struct ofwo_extabent *ex;
|
||||
|
||||
pblen = 0;
|
||||
rv = EX_OK;
|
||||
pbuf = NULL;
|
||||
if (strcmp(prop, "name") == 0)
|
||||
return (EX_UNAVAILABLE);
|
||||
if (val)
|
||||
fd = ofw_open(O_RDWR);
|
||||
else
|
||||
fd = ofw_open(O_RDONLY);
|
||||
optnode = ofw_optnode(fd);
|
||||
len = ofw_getprop_alloc(fd, optnode, prop, &pbuf, &pblen, 1);
|
||||
if (len < 0) {
|
||||
rv = EX_UNAVAILABLE;
|
||||
goto out;
|
||||
}
|
||||
for (ex = ofwo_extab; ex->ex_prop != NULL; ++ex)
|
||||
if (strcmp(ex->ex_prop, prop) == 0)
|
||||
break;
|
||||
if (ex->ex_prop != NULL)
|
||||
rv = (*ex->ex_handler)(ex, fd, pbuf, len, val);
|
||||
else if (val)
|
||||
rv = ofwo_setstr(fd, pbuf, len, prop, val);
|
||||
else
|
||||
ofwo_printprop(prop, (char *)pbuf, len);
|
||||
out:
|
||||
if (pbuf != NULL)
|
||||
free(pbuf);
|
||||
ofw_close(fd);
|
||||
return (rv);
|
||||
}
|
||||
34
usr.sbin/eeprom/ofw_options.h
Normal file
34
usr.sbin/eeprom/ofw_options.h
Normal file
@ -0,0 +1,34 @@
|
||||
/*-
|
||||
* Copyright (c) 2004 Marius Strobl
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
|
||||
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef OFW_OPTIONS_H
|
||||
#define OFW_OPTIONS_H
|
||||
|
||||
void ofwo_dump(void);
|
||||
int ofwo_action(const char *prop, const char *val);
|
||||
|
||||
#endif /* OFW_OPTIONS_H */
|
||||
Loading…
Reference in New Issue
Block a user