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dhcp-eval

Langue: ja

Autres versions - même langue

Version: 55014 (openSuse - 09/10/07)

Section: 5 (Format de fichier)

Sommaire

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»²¾È: Æ°Åª¤Ê DNS ¹¹¿·
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dhcp-eval - ISC DHCP ¤Ë¤ª¤±¤ë¾ò·ïÉÕ¤É¾²Á

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Internet Software Consortium ¤Î DHCP ¥¯¥é¥¤¥¢¥ó¥È¤È¥µ¡¼¥Ð¤Ï¡¢¤É¤Á¤é¤â ¼õ¿®¤¹¤ë¥Ñ¥±¥Ã¥È¤Ë°ÍÂ¸¤·¤¿¾ò·ïÉÕ¤Æ°ºî¤ò¹Ô¤¦Ç½ÎÏ¤ò»ý¤Á¤Þ¤¹¡£ ¾ò·ïÉÕ¤Æ°ºî¤ÎÊ¸Ë¡¤ò¤³¤³¤Ë¼¨¤·¤Þ¤¹¡£

»²¾È: ¾ò·ïÉÕ¤Æ°ºî


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;

}


# 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»ÈÍÑ¤·¤Þ¤¹¡£

# example.org ¤Ë·Ò¤¬¤ë¤Î¤Ç¤Ï¤Ê¤¤¾ì¹ç¡¢¼«¸Ê¤Î DNS ¥µ¡¼¥Ð¤òÍ¥Àè»ÈÍÑ¤·¤Þ¤¹¡£

if not option domain-name = "example.org" {

  prepend domain-name-servers 127.0.0.1;

}

if Ê¸¤È elsif ·ÑÂ³Ê¸¤Ï¡¢°ú¿ô¤È¤·¤Æ¥Ö¡¼¥ë¼°¤ò¼è¤ê¤Þ¤¹¡£ ¤Ä¤Þ¤ê¡¢¤³¤ì¤é¤ÎÊ¸¤Ï¡¢É¾²Á¤µ¤ì¤ë¤È¥Ö¡¼¥ëÃÍ¤Î·ë²Ì¤òÀ¸À®¤¹¤ë¼°¤ò¼è¤ê¤Þ¤¹¡£ ¼°¤ÎÉ¾²Á·ë²Ì¤¬¿¿¤Ë¤Ê¤ë¤È¡¢ if Ê¸¤ÎÄ¾¸å¤Î¥Ö¥ì¡¼¥¹¤Ç³ç¤é¤ì¤¿Ê¸¤¬¼Â¹Ô¤µ¤ì¡¢¸åÂ³¤¹¤ë elsif ¤È else ¤ÎÀá¤Ï¥¹¥¥Ã¥×¤µ¤ì¤Þ¤¹¡£ ¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¡¢É¾²Á·ë²Ì¤¬¿¿¤Ë¤Ê¤ë elsif Àá¤Ë½Ð²ñ¤¦¤Þ¤Ç¡¢¸åÂ³¤¹¤ë³Æ elsif Àá¤Î¼°¤¬¥Á¥§¥Ã¥¯¤µ¤ì¤Þ¤¹¡£ ¤½¤Î¤è¤¦¤ÊÀá¤¬¸«ÉÕ¤«¤ë¤È¡¢Ä¾¸å¤Î¥Ö¥ì¡¼¥¹Ãæ¤ÎÊ¸¤¬¼Â¹Ô¤µ¤ì¡¢¸åÂ³¤¹¤ë elsif ¤È else ¤ÎÀá¤Ï¥¹¥¥Ã¥×¤µ¤ì¤Þ¤¹¡£ ¤¹¤Ù¤Æ¤Î if ¤ª¤è¤Ó elsif ¤ÎÀá¤¬¥Á¥§¥Ã¥¯¤µ¤ì¤¿¤â¤Î¤Î¤É¤Î¼°¤â¿¿¤Ë¤Ê¤é¤Ê¤¤¾ì¹ç¤Ç¡¢ else Àá¤¬Â¸ºß¤¹¤ë¾ì¹ç¡¢ else ¤ÎÄ¾¸å¤Î¥Ö¥ì¡¼¥¹Ãæ¤ÎÊ¸¤¬É¾²Á¤µ¤ì¤Þ¤¹¡£ ¾ò·ï¤Ë¤ª¤¤¤Æ¤Ï¡¢É¾²Á·ë²Ì¤¬¶õ¤Ë¤Ê¤ë¥Ö¡¼¥ë¼°¤Ïµ¶¤È¤·¤Æ°·¤ï¤ì¤Þ¤¹¡£

¥Ö¡¼¥ë¼°

°Ê²¼¤Ï¡¢DHCP ÇÛÉÛÊª¤Ç¸½ºß¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¥Ö¡¼¥ë¼°¤Î°ìÍ÷¤Ç¤¹¡£

data-expression-1 = data-expression-2

= ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢2 ¸Ä¤Î¥Ç¡¼¥¿¼°¤òÈæ³Ó¤·¡¢Î¾¼Ô¤¬Æ±¤¸¾ì¹ç¤Ï¿¿¤òÊÖ¤·¡¢ Æ±°ì¤Ç¤Ê¤¤¾ì¹ç¤Ïµ¶¤òÊÖ¤·¤Þ¤¹¡£ º¸ÊÕ¤â¤·¤¯¤Ï±¦ÊÕ¤Î¤¤¤º¤ì¤«¤¬¶õ¤Î¾ì¹ç¡¢·ë²Ì¤Ï¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£

boolean-expression-1 and boolean-expression-2

and ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢º¸ÊÕ¤Î¥Ö¡¼¥ë¼°¤È±¦ÊÕ¤Î¥Ö¡¼¥ë¼°¤ÎÎ¾Êý¤ÎÉ¾²Á·ë²Ì¤¬ ¿¿¤Î¾ì¹ç¡¢¿¿¤ÈÉ¾²Á¤µ¤ì¤Þ¤¹¡£ ¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¡¢µ¶¤ÈÉ¾²Á¤µ¤ì¤Þ¤¹¡£ º¸ÊÕ¤â¤·¤¯¤Ï±¦ÊÕ¤Î¤¤¤º¤ì¤«¤¬¶õ¤Î¾ì¹ç¡¢·ë²Ì¤Ï¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£

boolean-expression-1 or boolean-expression-2

or ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢º¸ÊÕ¤Î¥Ö¡¼¥ë¼°¤È±¦ÊÕ¤Î¥Ö¡¼¥ë¼°¤Î¤¤¤º¤ì¤«¤ÎÉ¾²Á·ë²Ì¤¬ ¿¿¤Î¾ì¹ç¡¢¿¿¤ÈÉ¾²Á¤µ¤ì¤Þ¤¹¡£ ¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¡¢µ¶¤ÈÉ¾²Á¤µ¤ì¤Þ¤¹¡£ º¸ÊÕ¤â¤·¤¯¤Ï±¦ÊÕ¤Î¤¤¤º¤ì¤«¤¬¶õ¤Î¾ì¹ç¡¢·ë²Ì¤Ï¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£

not boolean-expression

not ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢boolean-expression ¤ÎÉ¾²Á·ë²Ì¤¬µ¶¤Î¾ì¹ç¡¢ ¿¿¤ÈÉ¾²Á¤µ¤ì¤Þ¤¹¡£ ¤Þ¤¿¡¢boolean-expression ¤ÎÉ¾²Á·ë²Ì¤¬¿¿¤Î¾ì¹ç¡¢µ¶¤ÈÉ¾²Á¤µ¤ì¤Þ¤¹¡£ boolean-expression ¤ÎÉ¾²Á·ë²Ì¤¬¶õ¤Î¾ì¹ç¡¢·ë²Ì¤â¤Þ¤¿¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£

exists option-name

exists ¼°¤Ï¡¢½èÍýÂÐ¾Ý¤ÎÆþÎÏ DCHP ¥Ñ¥±¥Ã¥ÈÃæ¤Ë¡¢ »ØÄê¤µ¤ì¤¿¥ª¥×¥·¥ç¥ó¤¬Â¸ºß¤¹¤ë¾ì¹ç¡¢¿¿¤òÊÖ¤·¤Þ¤¹¡£

known

known ¼°¤Ï¡¢Í×µáÂÐ±þÃæ¤Î¥¯¥é¥¤¥¢¥ó¥È¤¬´ûÃÎ¤Î¾ì¹ç¡¢ ¤¹¤Ê¤ï¤Á¥Û¥¹¥ÈÀë¸À¤¬¤¢¤ë¾ì¹ç¡¢¿¿¤òÊÖ¤·¤Þ¤¹¡£

static

static ¼°¤Ï¡¢Í×µáÂÐ±þÃæ¤Î¥¯¥é¥¤¥¢¥ó¥È¤Ø¤Î¥ê¡¼¥¹³ä¤êÅö¤Æ¤¬¡¢ ÀÅÅª¥¢¥É¥ì¥¹³ä¤êÅö¤Æ¤Ë¤è¤ë¤â¤Î¤Ç¤¢¤Ã¤¿¾ì¹ç¡¢¿¿¤òÊÖ¤·¤Þ¤¹¡£

¥Ç¡¼¥¿¼°

Á°½Ò¤Î¥Ö¡¼¥ë¼°¤Ï¡¢¥Ç¡¼¥¿¼°¤ÎÉ¾²Á·ë²Ì¤Ë°ÍÂ¸¤·¤Þ¤¹¡£ ¥Ç¡¼¥¿¼°¤ò¤³¤³¤Ë¼¨¤·¤Þ¤¹¡£

substring (data-expr, offset, length)

substring ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥Ç¡¼¥¿¼°¤òÉ¾²Á¤·¡¢ É¾²Á·ë²ÌÃæ¤Î offset ¥Ð¥¤¥È¤«¤é³«»Ï¤·¤Æ length ¥Ð¥¤¥È·ÑÂ³¤¹¤ë ¥µ¥Ö¥¹¥È¥ê¥ó¥°¤òÊÖ¤·¤Þ¤¹¡£ offset ¤È length ¤Ï¶¦¤Ë¿ôÃÍ¼°¤Ç¤¹¡£ data-expr, offset, length ¤Î¤¤¤º¤ì¤«¤¬¶õ¤ÈÉ¾²Á¤µ¤ì¤ë¾ì¹ç¡¢ ·ë²Ì¤â¤Þ¤¿¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£ offset ¤¬¡¢É¾²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤ÎÄ¹¤µ°Ê¾å¤Ç¤¢¤ë¾ì¹ç¡¢ Ä¹¤µ 0 ¤Î¥Ç¡¼¥¿Ê¸»úÎó¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£ length ¤¬¡¢É¾²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤Î offset ¤è¤ê¸å¤ÎÄ¹¤µ¤è¤êÂç¤¤¤¾ì¹ç¡¢ É¾²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤Î offset ¤«¤é½ªÃ¼¤Þ¤Ç¤ÎÁ´¥Ç¡¼¥¿¤ò´Þ¤à ¥Ç¡¼¥¿Ê¸»úÎó¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£

suffix (data-expr, length)

suffix ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢data-expr ¤òÉ¾²Á¤·¡¢ É¾²Á·ë²Ì¤ÎºÇ¸å¤Î length ¥Ð¥¤¥È¤òÊÖ¤·¤Þ¤¹¡£ length ¤Ï¿ôÃÍ¼°¤Ç¤¹¡£ data-expr ¤Þ¤¿¤Ï length ¤ÎÉ¾²Á·ë²Ì¤¬¶õ¤Î¾ì¹ç¡¢ ·ë²Ì¤â¤Þ¤¿¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£ suffix (ÌõÃí: length ¤¬Àµ¤·¤¤¤È»×¤ï¤ì¤Þ¤¹) ¤ÎÉ¾²Á·ë²Ì¤¬É¾²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤ÎÄ¹¤µ¤è¤êÂç¤¤¤¾ì¹ç¡¢ É¾²Á¤µ¤ì¤¿¥Ç¡¼¥¿¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£

option option-name

option ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥µ¡¼¥Ð¤¬±þÅú½èÍýÃæ¤Î¥Ñ¥±¥Ã¥È¤ÎÃæ¤Î¡¢ »ØÄê¤·¤¿¥ª¥×¥·¥ç¥ó¤ÎÆâÍÆ¤òÊÖ¤·¤Þ¤¹¡£

config-option option-name

config-option ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢»ØÄê¤·¤¿¥ª¥×¥·¥ç¥ó¤ËÂÐ¤·¡¢ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Þ¤¿¤Ï¥µ¡¼¥Ð¤¬Á÷½Ð¤¹¤ë¤è¤¦ÀßÄê¤µ¤ì¤¿ÃÍ¤òÊÖ¤·¤Þ¤¹¡£

hardware

hardware ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥Ç¡¼¥¿¥¹¥È¥ê¥ó¥°¤òÊÖ¤·¤Þ¤¹¡£ ¥Ç¡¼¥¿¥¹¥È¥ê¥ó¥°¤ÎºÇ½é¤ÎÍ×ÁÇ¤Ï¡¢ ÂÐ¾Ý¥Ñ¥±¥Ã¥È¤¬¼¨¤¹¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Î¥¿¥¤¥×¤Ç¤¢¤ê¡¢ ¸åÂ³¤¹¤ëÍ×ÁÇ¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤Î¥ê¥ó¥¯ÁØ¥¢¥É¥ì¥¹¤Ç¤¹¡£ ¥Ñ¥±¥Ã¥È¤¬Â¸ºß¤·¤Ê¤¤¾ì¹ç¤â¤·¤¯¤Ï RFC2131 hlen ¥Õ¥£¡¼¥ë¥É¤¬Ìµ¸ú¤Ê¾ì¹ç¡¢ ·ë²Ì¤Ï¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£ ¥Ï¡¼¥É¥¦¥§¥¢¥¿¥¤¥×¤Ë¤Ï¡¢¥¤¡¼¥µ¥Í¥Ã¥È (1)¡¢¥È¡¼¥¯¥ó¥ê¥ó¥° (6)¡¢ FDDI (8) ¤¬´Þ¤Þ¤ì¤Þ¤¹¡£ ¥Ï¡¼¥É¥¦¥§¥¢¥¿¥¤¥×¤Ï IETF ¤Ë¤è¤Ã¤Æµ¬Äê¤µ¤ì¡¢ ¤É¤Î¤è¤¦¤Ë¥¿¥¤¥×¤Î¿ôÃÍ¤¬ÄêµÁ¤µ¤ì¤ë¤«¤Î¾ÜºÙ¤Ï RFC2131 (ISC DHCP ÇÛÉÛÊª¤Ç¤Ï¡¢doc/ ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤¢¤ê¤Þ¤¹) ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

packet (offset, length)

packet ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢ÂÐ¾Ý¥Ñ¥±¥Ã¥È¤Î»ØÄêÉôÊ¬¤òÊÖ¤¹¤«¡¢ ÂÐ¾Ý¥Ñ¥±¥Ã¥È¤¬Ìµ¤¤Ê¸Ì®¤Ç¤Ï¶õ¤òÊÖ¤·¤Þ¤¹¡£ offset ¤È length ¤Ï¡¢ substring ¥ª¥Ú¥ì¡¼¥¿¤ÈÆ±ÍÍ¤Ë¡¢¥Ñ¥±¥Ã¥È¤ÎÆâÍÆ¤ËÅ¬ÍÑ¤µ¤ì¤Þ¤¹¡£

string

¥¯¥©¡¼¥È¤Ç³ç¤é¤ì¤¿¥¹¥È¥ê¥ó¥°¤Ï¥Ç¡¼¥¿¼°¤È¤·¤Æ»ØÄê²ÄÇ½¤Ç¤¢¤ê¡¢ ¥¯¥©¡¼¥È¤Î´Ö¤ò ASCII ¥¨¥ó¥³¡¼¥É¤·¤¿¤Î¥Æ¥¥¹¥È¤òÊÖ¤·¤Þ¤¹¡£ ¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å ('\') Ê¸»ú¤Ï C ¥×¥í¥°¥é¥à¤Î¤è¤¦¤ËÆÃÊÌ°·¤¤¤µ¤ì¤Þ¤¹: ¤¹¤Ê¤ï¤Á '\t' ¤Ï¥¿¥Ö¤ò¡¢'\r' ¤ÏÉü²þ¤ò¡¢'\n' ¤Ï²þ¹Ô¤ò¡¢'\b' ¤Ï¥Ù¥ë¤ò °ÕÌ£¤·¤Þ¤¹¡£ 8 ¿Ê¿ôÃÍ¤Ï '\nnn' ¤Ç»ØÄê²ÄÇ½¤Ç¤¢¤ê¡¢nnn ¤Ï 0 °Ê¾å 0377 °Ê²¼¤Î 8 ¿Ê¿ôÃÍ¤Ç¤¹¡£ 16 ¿Ê¿ôÃÍ¤Ï '\xnn' ¤Ç»ØÄê²ÄÇ½¤Ç¤¢¤ê¡¢nn ¤Ï 0 °Ê¾å 0xff °Ê²¼¤Î 16 ¿Ê¿ôÃÍ¤Ç¤¹¡£

colon-seperated hexadecimal list

¥³¥í¥ó¤Ç¶èÀÚ¤é¤ì¤¿ 16 ¿Ê¿ô¤Î¥ª¥¯¥Æ¥Ã¥ÈÃÍ¤Î¥ê¥¹¥È¤ò¡¢ ¥Ç¡¼¥¿¼°¤È¤·¤Æ»ØÄê²ÄÇ½¤Ç¤¹¡£

concat (data-expr1, ..., data-exprN)

¼°¤¬É¾²Á¤µ¤ì¡¢³ÆÉ¾²Á·ë²Ì¤¬¥µ¥Ö¼°¤Î½çÈÖ¤ËÏ¢·ë¤µ¤ì¤Þ¤¹¡£ ¥µ¥Ö¼°¤Î¤¤¤º¤ì¤«¤ÎÉ¾²Á·ë²Ì¤¬¶õ¤Ë¤Ê¤ë¾ì¹ç¡¢Ï¢·ë¤Î·ë²Ì¤Ï¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£

reverse (numeric-expr1, data-expr2)

2 ¸Ä¤Î¼°¤¬É¾²Á¤µ¤ì¡¢¥Ç¡¼¥¿¼°¤ÎÉ¾²Á·ë²Ì¤¬¤½¤Î¾ì¤ÇÈ¿Å¾¤µ¤ì¤Þ¤¹¡£ È¿Å¾¤Ï¡¢¿ôÃÍ¼°¤Ç»ØÄê¤µ¤ì¤ëÂç¤¤µ¤ÎÃ±°Ì¤Ç¹Ô¤ï¤ì¤Þ¤¹¡£ Îã¤¨¤Ð¡¢¿ôÃÍ¼°¤ÎÉ¾²Á·ë²Ì¤¬ 4 ¤Î¾ì¹ç¤Ç¡¢ ¥Ç¡¼¥¿¼°¤ÎÉ¾²Á·ë²Ì¤¬ 12 ¥Ð¥¤¥È¤Ë¤Ê¤ë¾ì¹ç¡¢ reverse ¼°¤ÎÉ¾²Á·ë²Ì¤Ï¡¢¼¡¤Î¤è¤¦¤Ê 12 ¥Ð¥¤¥È¤Î¥Ç¡¼¥¿¤Ë¤Ê¤ê¤Þ¤¹¡£ ¤¹¤Ê¤ï¤Á¡¢ÆþÎÏ¤ÎºÇ¸å¤Î 4 ¥Ð¥¤¥È¡¢¿¿Ãæ¤Î 4¥Ð¥¤¥È¡¢ºÇ½é¤Î 4 ¥Ð¥¤¥È¤Î ½ç¤Ë¤Ê¤ê¤Þ¤¹¡£

leased-address

¤¤¤«¤Ê¤ëÊ¸Ì®¤Ë¤ª¤¤¤Æ¤â¡¢ Í×µá½èÍýÂÐ¾Ý¤È¤Ê¤Ã¤Æ¤¤¤ë¥¯¥é¥¤¥¢¥ó¥È¤Ë IP ¥¢¥É¥ì¥¹¤¬³ä¤êÅö¤ÆºÑ¤Î¾ì¹ç¡¢ ¤½¤Î IP ¥¢¥É¥ì¥¹¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£

binary-to-ascii (numeric-expr1, numeric-expr2, data-expr1, data-expr2)

data-expr2 ¤ÎÉ¾²Á·ë²Ì¤ò¥Æ¥¥¹¥È¥¹¥È¥ê¥ó¥°¤ËÊÑ´¹¤·¤Þ¤¹¡£ ¤³¤Î¥Æ¥¥¹¥È¥¹¥È¥ê¥ó¥°Ãæ¤Ç¤Ï¡¢ data-expr2 ¤ÎÉ¾²Á·ë²Ì¤Î³ÆÍ×ÁÇ¤¬¡¢1 ¸Ä¤Î¿ôÃÍ¤Ë¤Ê¤ê¤Þ¤¹¡£ ³Æ¿ôÃÍ¤Ï¡¢¤½¤ì¤¾¤ì¡¢data-expr1 ¤ÎÉ¾²Á·ë²Ì¤Ë¤è¤Ã¤Æ¶èÀÚ¤é¤ì¤Þ¤¹¡£ numeric-expr1 ¤ÎÉ¾²Á·ë²Ì¤Ï¡¢´ð¿ô (2 ¤«¤é 16) ¤Ç¤¢¤ê¡¢ ¤³¤Î´ð¿ô¤Ë¿ôÃÍ¤¬ÊÑ´¹¤µ¤ì¤Þ¤¹¡£ numeric-expr2 ¤ÎÉ¾²Á·ë²Ì¤Ï¡¢³Æ¿ôÃÍ¤Î¥Ó¥Ã¥ÈÉý¤Ç¤¢¤ê¡¢ 8, 16, 32 ¤Î¤¤¤º¤ì¤«¤Ç¤¹¡£ ºÇ½é¤Î 3 ¸Ä¤Î¥¿¥¤¥×¤Î¼°¤ÎÎã¤È¤·¤Æ¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤Ë³ä¤êÅö¤Æ¤é¤ì¤¿ IP ¥¢¥É¥ì¥¹ÍÑ¤Î PTR ¥ì¥³¡¼¥É¤ÎÌ¾Á°¤òÀ¸À®¤¹¤ë¤¿¤á¤Ë»ÈÍÑ²ÄÇ½¤Ê¼°¤ò¼¨¤·¤Þ¤¹


        concat (binary-to-ascii (10, 8, ".",

                                 reverse (1, leased-address)),

                ".in-addr.arpa.");

encode-int (numeric-expr, width)

¿ôÃÍ¼°¤¬É¾²Á¤µ¤ì¡¢»ØÄê¤µ¤ì¤¿Éý¤Î¥Ç¡¼¥¿¥¹¥È¥ê¥ó¥°¤Ë ¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È½ç (ºÇ¾å°Ì¥Ð¥¤¥È¤¬ºÇ½é) ¤Ç¥¨¥ó¥³¡¼¥É¤µ¤ì¤Þ¤¹¡£ ¿ôÃÍ¼°¤ÎÉ¾²Á·ë²Ì¤¬¶õ¤ÎÃÍ¤Ë¤Ê¤ë¾ì¹ç¡¢·ë²Ì¤â¤Þ¤¿¶õ¤Ç¤¹¡£

pick-first-value (data-expr1 [ ... exprn ] )

pick-first-value ´Ø¿ô¤Ï¡¢Ç¤°Õ¸Ä¤Î¥Ç¡¼¥¿¼°¤ò¼è¤êÆÀ¤Þ¤¹¡£ ¥ê¥¹¥È¤ÎÀèÆ¬¤«¤é³Æ¼°¤¬É¾²Á¤µ¤ì¡¢ É¾²Á·ë²Ì¤¬¶õ¤Ç¤Ï¤Ê¤¤¼°¤¬¸«ÉÕ¤«¤ë¤Þ¤Ç¤³¤ì¤¬Â³¤¤Þ¤¹¡£ ¤³¤Î¼°¤¬ÊÖ¤µ¤ì¡¢¤³¤Î¼°¤Ë¸åÂ³¤¹¤ë¼°¤ÏÉ¾²Á¤µ¤ì¤Þ¤»¤ó¡£ ¤¹¤Ù¤Æ¤Î¼°¤ÎÉ¾²Á·ë²Ì¤¬¶õ¤Î¾ì¹ç¡¢¶õ¤ÎÃÍ¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£

host-decl-name

host-decl-name ´Ø¿ô¤Ï¡¢¸½ºßÍ×µá½èÍýÂÐ¾Ý¤È¤Ê¤Ã¤Æ¤¤¤ë¥¯¥é¥¤¥¢¥ó¥È¤Ë¥Þ¥Ã¥Á¤¹¤ë¡¢ ¥Û¥¹¥ÈÀë¸À¤ÎÌ¾Á°¤òÊÖ¤·¤Þ¤¹¡£ ¤É¤Î¥Û¥¹¥ÈÀë¸À¤â¥Þ¥Ã¥Á¤·¤Ê¤¤¾ì¹ç¡¢·ë²Ì¤Ï¶õ¤Ë¤Ê¤ê¤Þ¤¹¡£

¿ôÃÍ¼°

¿ôÃÍ¼°¤Ï¡¢É¾²Á·ë²Ì¤¬À°¿ô¤Ë¤Ê¤ë¼°¤Ç¤¹¡£ °ìÈÌ¤Ë¡¢À°¿ô¤ÎºÇÂç¥µ¥¤¥º¤¬ 32 ¥Ó¥Ã¥ÈÌ¤Ëþ¤Ç¤¢¤ë¤È²¾Äê¤¹¤Ù¤¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢ À°¿ô¤ÎÀºÅÙ¤¬ 32 ¥Ó¥Ã¥È¤ò±Û¤¨¤ë¤³¤È¤Ï¤¢¤êÆÀ¤Þ¤¹¡£

extract-int (data-expr, width)

extract-int ¥ª¥Ú¥ì¡¼¥¿¤Ï¡¢¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È½ç¤ÎÀ°¿ô¤ò¡¢ »ØÄê¤·¤¿¥Ç¡¼¥¿¼°¤ÎÉ¾²Á·ë²Ì¤«¤é¼è¤ê½Ð¤·¤Þ¤¹¡£ Éý¤Ï¡¢¼è¤ê½Ð¤¹À°¿ô¤Î¥Ó¥Ã¥ÈÉý¤Ç¤¹¡£ ¸½ºß¡¢¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ëÉý¤Ï 8, 16, 32 ¤Î¤¤¤º¤ì¤«¤Ç¤¹¡£ ¥Ç¡¼¥¿¼°¤ÎÉ¾²Á·ë²Ì¤¬¡¢»ØÄê¤·¤¿Âç¤¤µ¤ÎÀ°¿ô¤È¼è¤ê½Ð¤¹¤Î¤Ë ½½Ê¬¤Ê¥Ó¥Ã¥È¤òÄó¶¡¤·¤Ê¤¤¾ì¹ç¡¢¶õ¤ÎÃÍ¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£

lease-time

¸½ºß¤Î¥ê¡¼¥¹¤Î´ü´Ö¤Ç¤¹¡£ ¤¹¤Ê¤ï¤Á¡¢¸½ºß¤Î»þ¹ï¤È¥ê¡¼¥¹¤Î´ü¸Â¤¬ÀÚ¤ì¤ë»þ¹ï¤È¤Îº¹¤Ç¤¹¡£

number

0 ¤«¤éÉ½¸½²ÄÇ½¤ÊºÇÂç¥µ¥¤¥º¤ÎÈÏ°Ï¤ÎÇ¤°Õ¤Î¿ôÃÍ¤ò¡¢¿ôÃÍ¼°¤È¤·¤Æ»ØÄê²ÄÇ½¤Ç¤¹¡£

client-state

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