.\"	$NetBSD: dhcp-eval.5,v 1.2 2018/04/07 22:37:29 christos Exp $
.\"
.\"	Id: dhcp-eval.5,v 1.5 2009/11/24 02:06:56 sar Exp 
.\"
.\" Copyright (c) 2004,2009,2016 by Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (c) 1996-2003 by Internet Software Consortium
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
.\" OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.\"   Internet Systems Consortium, Inc.
.\"   950 Charter Street
.\"   Redwood City, CA 94063
.\"   <info@isc.org>
.\"   https://www.isc.org/
.\"
.\" $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 Systems 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¡£
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.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
¥¯¥é¥¤¥¢¥ó¥È¦¤Ç¤Ï¡¢¾ò·ïÉÕ¤­É¾²Á¤ÎÎã¤Ï¼¡¤Î¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦:
.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  
.PP
.B if
ʸ¤È
.B elsif
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.B if
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.B elsif
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.B else
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.B elsif
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.B elsif
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.B else
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.B if
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.B else
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.B else
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.SH ¥Ö¡¼¥ë¼°
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.PP
.I data-expression-1 \fB=\fI data-expression-2\fR
.RS 0.25i
.PP
\fB=\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢2 ¸Ä¤Î¥Ç¡¼¥¿¼°¤òÈæ³Ó¤·¡¢Î¾¼Ô¤¬Æ±¤¸¾ì¹ç¤Ï¿¿¤òÊÖ¤·¡¢
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.RE
.PP
.I boolean-expression-1 \fBand\fI boolean-expression-2\fR
.PP
.RS 0.25i
\fBand\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢º¸ÊդΥ֡¼¥ë¼°¤È±¦ÊդΥ֡¼¥ë¼°¤ÎξÊý¤Îɾ²Á·ë²Ì¤¬
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.RE
.PP
.I boolean-expression-1 \fBor\fI boolean-expression-2\fR
.PP
.RS 0.25i
\fBor\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢º¸ÊդΥ֡¼¥ë¼°¤È±¦ÊդΥ֡¼¥ë¼°¤Î¤¤¤º¤ì¤«¤Îɾ²Á·ë²Ì¤¬
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.RE
.PP
.B not \fIboolean-expression
.PP
.RS 0.25i
\fBnot\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢\fIboolean-expression\fR ¤Îɾ²Á·ë²Ì¤¬µ¶¤Î¾ì¹ç¡¢
¿¿¤Èɾ²Á¤µ¤ì¤Þ¤¹¡£
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\fIboolean-expression\fR ¤Îɾ²Á·ë²Ì¤¬¶õ¤Î¾ì¹ç¡¢·ë²Ì¤â¤Þ¤¿¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£
.RE
.PP
.B exists \fIoption-name\fR
.PP
.RS 0.25i
\fBexists\fR ¼°¤Ï¡¢½èÍýÂоݤÎÆþÎÏ DCHP ¥Ñ¥±¥Ã¥ÈÃæ¤Ë¡¢
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.RE
.B known
.PP
.RS 0.25i
\fBknown\fR ¼°¤Ï¡¢Í×µáÂбþÃæ¤Î¥¯¥é¥¤¥¢¥ó¥È¤¬´ûÃΤξì¹ç¡¢
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.RE
.B static
.PP
.RS 0.25i
\fBstatic\fR ¼°¤Ï¡¢Í×µáÂбþÃæ¤Î¥¯¥é¥¤¥¢¥ó¥È¤Ø¤Î¥ê¡¼¥¹³ä¤êÅö¤Æ¤¬¡¢
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.RE
.SH ¥Ç¡¼¥¿¼°
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.PP
.B substring (\fIdata-expr\fB, \fIoffset\fB, \fIlength\fB)\fR
.PP
.RS 0.25i
\fBsubstring\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥Ç¡¼¥¿¼°¤òɾ²Á¤·¡¢
ɾ²Á·ë²ÌÃæ¤Î \fIoffset\fR ¥Ð¥¤¥È¤«¤é³«»Ï¤·¤Æ \fIlength\fR ¥Ð¥¤¥È·Ñ³¤¹¤ë
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\fIoffset\fR ¤È \fIlength\fR ¤Ï¶¦¤Ë¿ôÃͼ°¤Ç¤¹¡£
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\fIoffset\fR ¤¬¡¢É¾²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤ÎŤµ°Ê¾å¤Ç¤¢¤ë¾ì¹ç¡¢
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.RE
.PP
.B suffix (\fIdata-expr\fB, \fIlength\fB)\fR
.PP
.RS 0.25i
\fBsuffix\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢\fIdata-expr\fR ¤òɾ²Á¤·¡¢
ɾ²Á·ë²Ì¤ÎºÇ¸å¤Î \fIlength\fR ¥Ð¥¤¥È¤òÊÖ¤·¤Þ¤¹¡£
\fIlength\fR ¤Ï¿ôÃͼ°¤Ç¤¹¡£
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\fIsuffix\fR
(ÌõÃí: \fIlength\fR ¤¬Àµ¤·¤¤¤È»×¤ï¤ì¤Þ¤¹)
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ɾ²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£
.\" horikawa@jp.FreeBSD.org 2002/04/29
.RE
.PP
.B option \fIoption-name\fR
.PP
.RS 0.25i
\fBoption\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥µ¡¼¥Ð¤¬±þÅú½èÍýÃæ¤Î¥Ñ¥±¥Ã¥È¤ÎÃæ¤Î¡¢
»ØÄꤷ¤¿¥ª¥×¥·¥ç¥ó¤ÎÆâÍƤòÊÖ¤·¤Þ¤¹¡£
.RE
.PP
.B config-option \fIoption-name\fR
.PP
.RS 0.25i
\fBconfig-option\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢»ØÄꤷ¤¿¥ª¥×¥·¥ç¥ó¤ËÂФ·¡¢
DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Þ¤¿¤Ï¥µ¡¼¥Ð¤¬Á÷½Ð¤¹¤ë¤è¤¦ÀßÄꤵ¤ì¤¿ÃͤòÊÖ¤·¤Þ¤¹¡£
.RE
.PP
.B hardware
.PP
.RS 0.25i
\fBhardware\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥Ç¡¼¥¿¥¹¥È¥ê¥ó¥°¤òÊÖ¤·¤Þ¤¹¡£
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(ISC DHCP ÇÛÉÛʪ¤Ç¤Ï¡¢doc/ ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤¢¤ê¤Þ¤¹) ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£
.RE
.PP
.B packet (\fIoffset\fB, \fIlength\fB)\fR
.PP
.RS 0.25i
\fBpacket\fR ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢Âоݥѥ±¥Ã¥È¤Î»ØÄêÉôʬ¤òÊÖ¤¹¤«¡¢
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.RE
.PP
.I string
.PP
.RS 0.25i
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.\" ÃͤÎÈϰϤθí¤ê¤Ë¤Ä¤¤¤Æ¤Ï¡¢Murray ·Ðͳ¤Ç¥ì¥Ý¡¼¥ÈºÑ
.\" horikawa@jp.FreeBSD.org 2002/05/01
.RE
.PP
.I colon-separated hexadecimal list
.PP
.RS 0.25i
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.PP
.B concat (\fIdata-expr1\fB, ..., \fIdata-exprN\fB)\fR
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.PP
.B reverse (\fInumeric-expr1\fB, \fIdata-expr2\fB)\fR
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.PP
.B leased-address
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.RE
.PP
.B binary-to-ascii (\fInumeric-expr1\fB, \fInumeric-expr2\fB,
.B \fIdata-expr1\fB,\fR \fIdata-expr2\fB)\fR
.RS 0.25i
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.nf
        concat (binary-to-ascii (10, 8, ".",
                                 reverse (1, leased-address)),
                ".in-addr.arpa.");

.fi
.PP
.B encode-int (\fInumeric-expr\fB, \fIwidth\fB)\fR
.RS 0.25i
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