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[linuxjm/jm.git] / manual / dhcp / contrib / man5 / dhcp-eval.5

.\"     dhcp-eval.5
.\"
.\" Copyright (c) 1996-2001 Internet Software Consortium.
.\" 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. Neither the name of The Internet Software Consortium 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 INTERNET SOFTWARE CONSORTIUM 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 INTERNET SOFTWARE CONSORTIUM 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.
.\"
.\" This software has been written for the Internet Software Consortium
.\" by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
.\" To learn more about the Internet Software Consortium, see
.\" ``http://www.isc.org/''.  To learn more about Vixie Enterprises,
.\" see ``http://www.vix.com''.   To learn more about Nominum, Inc., see
.\" ``http://www.nominum.com''.
.\" $FreeBSD: doc/ja_JP.eucJP/man/man5/dhcp-eval.5,v 1.2 2002/05/23 04:17:13 horikawa Exp $
.TH dhcp-eval 5
.SH ̾¾Î
dhcp-eval - ISC DHCP ¤Ë¤ª¤±¤ë¾ò·ïÉÕ¤­É¾²Á
.SH ²òÀâ
Internet Software Consortium ¤Î DHCP ¥¯¥é¥¤¥¢¥ó¥È¤È¥µ¡¼¥Ð¤Ï¡¢¤É¤Á¤é¤â
¼õ¿®¤¹¤ë¥Ñ¥±¥Ã¥È¤Ë°Í¸¤·¤¿¾ò·ïÉÕ¤­Æ°ºî¤ò¹Ô¤¦Ç½ÎϤò»ý¤Á¤Þ¤¹¡£
¾ò·ïÉÕ¤­Æ°ºî¤Îʸˡ¤ò¤³¤³¤Ë¼¨¤·¤Þ¤¹¡£
.SH »²¾È: ¾ò·ïÉÕ¤­Æ°ºî
¾ò·ïÉÕ¤­Æ°ºî¤Ï¡¢if, else, elsif ʸ¤ò»ÈÍѤ·¤Æ»ØÄꤷ¤Þ¤¹¡£
¾ò·ïʸ¤Ï¡¢Ä̾ïʸ (option ʸ) ¤¬Åоì²Äǽ¤Ê¾ì½ê¤Ï¤É¤³¤Ë¤Ç¤âÅоì²Äǽ¤Ç¤¢¤ê¡¢
¤Þ¤¿¤³¤Î¤è¤¦¤Êʸ¤ò³ç¤ë¤³¤È¤â²Äǽ¤Ç¤¹¡£
¥µ¡¼¥Ð¤Ë¤ª¤±¤ë¾ò·ïʸ¤Ï¼¡¤Î¤è¤¦¤Ë¤Ê¤ë¤³¤È¤¬Â¿¤¤¤Ç¤·¤ç¤¦:
.PP
.nf
if option dhcp-user-class = "accounting" {
  max-lease-time 17600;
  option domain-name "accounting.example.org";
  option domain-name-servers ns1.accounting.example.org, 
                             ns2.accounting.example.org;
} elsif option dhcp-user-class = "sales" {
  max-lease-time 17600;
  option domain-name "sales.example.org";
  option domain-name-servers ns1.sales.example.org, 
                             ns2.sales.example.org;
} elsif option dhcp-user-class = "engineering" {
  max-lease-time 17600;
  option domain-name "engineering.example.org";
  option domain-name-servers ns1.engineering.example.org, 
                             ns2.engineering.example.org;
} else {
  max-lease-time 600;
  option domain-name "misc.example.org";
  option domain-name-servers ns1.misc.example.org, 
                             ns2.misc.example.org;
}
.fi
.PP
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.PP
.nf
# example.org ¤Ï¥Õ¥¡¥¤¥ä¥¦¥©¡¼¥ë¤Ç DNS ¤ò¥Õ¥£¥ë¥¿¤¹¤ë¤Î¤Ç¡¢
# example.org ¥Í¥Ã¥È¥ï¡¼¥¯¤Ë·Ò¤¬¤ë¤È¤­¤Î¤ß¡¢¤½¤Î DNS ¥µ¡¼¥Ð¤ò»ÈÍѤ·¤Þ¤¹¡£
# example.org ¤Ë·Ò¤¬¤ë¤Î¤Ç¤Ï¤Ê¤¤¾ì¹ç¡¢¼«¸Ê¤Î DNS ¥µ¡¼¥Ð¤òÍ¥Àè»ÈÍѤ·¤Þ¤¹¡£
if not option domain-name = "example.org" {
  prepend domain-name-servers 127.0.0.1;
}
.fi  
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.PP
.I data-expression-1 \fB=\fI data-expression-2\fR
.RS 0.25i
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.B not \fIboolean-expression
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.PP
.B exists \fIoption-name\fR
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.B known
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.\" horikawa@jp.FreeBSD.org 2002/04/29
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.\" horikawa@jp.FreeBSD.org 2002/05/01
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.nf
        concat (binary-to-ascii (10, 8, ".",
                                 reverse (1, leased-address)),
                ".in-addr.arpa.");

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