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yp — YP/NIS ?????ƥ??ξܺ?

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yp

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YP ???֥????ƥ??????Ѥ????ȡ? passwd, group, netgroup, hosts, services, rpc, bootparams, ethers ?γƥե??????Υ????ȥ? ?򼡤δؿ????̤??ƥͥåȥ?????????뤳?Ȥ??Ǥ??ޤ? : getpwent(3), getgrent(3), getnetgrent(3), gethostent(3), getnetent(3), getrpcent(3), ethers(3) ?? bootparamd(8) ?ǡ??????ϡ? NIS ?饤?֥?????ľ?ܸƤӽФ??ޤ????ʤ??ʤ顢 ɸ?? C ?饤?֥????Ǥϡ?bootparams ???ɤ߹??? ?ؿ???¸?ߤ??ʤ??????Ǥ??? NIS ???ݡ??Ȥ? nsswitch.conf(5) ??ͭ???ˤ??ޤ???

YP ???֥????ƥ??ϡ? /etc/rc.conf ?ե????????ǽ??????ꤵ???Ƥ??ơ????ġ? /var/yp ?ǥ??쥯?ȥ꤬¸?ߤ??Ƥ????? (?ǥե????Ȥ?????ʪ?Ǥ?¸?ߤ??Ƥ??ޤ?)?? /etc/rc ?ե????????Ǽ?ưŪ?˵?ư?????ޤ??? ?ǥե????Ȥ? NIS ?ɥᥤ???ϡ? domainname(1) ???ޥ??ɤ????ꤵ????ɬ?פ??????ޤ??? ?????ˤĤ??Ƥ⡢ /etc/rc.conf ?ե??????ǻ??ꤵ???Ƥ????С??????ƥ൯ư???˼?ưŪ?? ?Ԥ????ޤ???

NIS ?? RPC ?١????Υ??饤?????? / ?????Х????ƥ??Ǥ??ꡢ NIS ?ɥᥤ?????Υޥ????Υ??롼?פ?Ʊ???????ե?????????ͭ?Ǥ????褦?? ???륷???ƥ??Ǥ??? NIS ?????Ѥ??뤳?Ȥǡ??????ƥ??????ԤϺ????¤??????ǡ????????? NIS ???饤?????ȥ????ƥ???Ω???夲?뤳?Ȥ??Ǥ??? 1 ?Ĥξ??꤫???????ǡ??????ɲä????ꡢ?????????ꡢ?ѹ??????? ???뤳?Ȥ??Ǥ??ޤ???

NIS ?Τ??٤Ƥξ??????????ʥ??ԡ??? NIS ?ޥ????????? ?ȸƤФ??? 1 ?ĤΥޥ?????????¸?????ޤ??? ????????¸?????Τ˻??Ѥ??????ǡ????١????? NIS ?ޥå? ?ȸƤФ??Ƥ??ޤ??? FreeBSD ?Ǥϡ? ???????Υޥåפ? /var/yp/⟨domainname⟩ ????¸?????ޤ??? ?????ǡ? ⟨domainname⟩ ?ϡ??????ӥ????????Ƥ??? NIS ?ɥᥤ??̾?Ǥ??? 1 ?Ĥ? NIS ?????Ф? ???٤?ʣ???Υɥᥤ???򥵥ݡ??Ȥ??뤳?Ȥ??Ǥ??ޤ??????Τ??ᡢ ???Τ褦??̾???Υǥ??쥯?ȥ꤬ʣ???????Ȥ??????Ȥ⤢?????ޤ??? ???ݡ??Ȥ??????ɥᥤ?? 1 ?ĤˤĤ???1 ?ĤΥǥ??쥯?ȥ????????ޤ??? ?ɥᥤ???Ϥ??줾????Ω???? NIS ?ޥåפν????????äƤ??ޤ???

FreeBSD ?Ǥϡ? NIS ?ޥåפ? Berkeley DB ?ϥå????Υǡ????١????ե????? (?????ϡ? passwd(5) ?ǡ????١????ե??????ǻ??Ѥ????Ƥ????ե????ޥåȤ?Ʊ?????ΤǤ?) ?ˤʤäƤ??ޤ??? ¾?Υ??ڥ졼?ƥ??󥰥????ƥ??ǡ? NIS ?򥵥ݡ??Ȥ??Ƥ??????ΤǤϡ??Ť??????? ndbm ?ǡ????١????? ???????˻??Ѥ??Ƥ??ޤ? (???μ?????ͳ?ϡ? Sun Microsystems ?Ҥ??ǽ??? NIS ?μ????? ndbm ???ǹԤʤ???¾?Υ٥????? ñ?? Sun ?Υ????ɤΥ饤???󥹤????????????ǡ? ??ʬã???̤Υǡ????١????ե????ޥåȤ??ȤäƼ??????Ԥ? ?ʤ??ä??????Ǥ?)?? ???????Υ????ƥ??Ǥϡ??ǡ????١??????̾? .dir ?ե??????? .pag ?ե???????ʬ???????Ƥ??ޤ??? ndbm ?????ɤϡ??????? 2 ?Ĥ? ?ե????????Ȥäơ??ϥå????ǡ????١??????̡?????ʬ?? ?ݻ??????褦?ˤʤäƤ??ޤ???Berkeley DB ?ϥå????? ??ˡ?Ǥϡ????? 2 ?Ĥ???ʬ??ʬ?????Ƥ??????????ݻ??????Τ? ñ???Υե????????Ȥ??ޤ??? ?Ĥޤꡢ¾?Υ??ڥ졼?ƥ??󥰥????ƥ??Ǥϡ? passwd.byname.dir ?ե??????? passwd.byname.pag ?ե????뤬?????Τ??Ф? (?????? 2 ?ĤϤɤ?????Ʊ???ޥåפΰ???ʬ?Ǥ?)?? FreeBSD ?Ǥϡ? passwd.byname ?Ȥ???̾???Υե????뤬?ҤȤĤ????????Ǥ??? ???Υե????ޥåȤΰ㤤?ϡ????????ƽ??פǤϤ????ޤ????? NIS ?????? ypserv(8) ?????ƴ?Ϣ?Τ????ġ??뷲???????? NIS ?ޥåפΥե????ޥåȤ??ɤ??ʤäƤ????Τ????Τ? ɬ?פ??????ޤ??? NIS ???饤?????ȥ????ƥ??Ǥϡ? NIS ?ǡ????Ϥ??٤? ASCII ?????Ǽ????????ޤ???

NIS ?????ƥ??ˤϡ????פ? 3 ?ĤΥ????פ??????ޤ???

1. NIS ???饤?????ȡ? ?????ϡ? NIS ?????Ф˾??????䤤???碌?򤷤ޤ???
2. NIS ?ޥ????????С? ?????ϡ? NIS ?ޥåפ??٤Ƥ??????ʥ??ԡ??????????Ƥ??ޤ???
3. NIS ???졼?֥????С? ?????ϡ? NIS ?ޥåפΥХå????åץ??ԡ??????????Ƥ??ޤ????Хå????å? ???ԡ??ϡ?????Ū?˥ޥ????????Ф????????Ƥ??ޤ???

NIS ???饤?????Ȥϡ? ypbind(8) ?ǡ??????????Ѥ??Ƥ??줾???? NIS ?????ФȤ??????? ?Х????? ????Ω???ޤ??? ypbind(8) ?桼?ƥ????ƥ??ϥ????ƥ??Υǥե????ȤΥɥᥤ?????????å??? (domainname(1) ???ޥ??ɤ????ꤵ???ޤ?)?? RPC ?ꥯ?????Ȥ??????????ͥåȥ?????ǥ֥????ɥ??㥹?? ???Ϥ??ޤ??? ypbind(8) ?桼?ƥ????ƥ????Х????ɤ???Ω???褦?Ȥ??Ƥ????ɥᥤ??̾?ϡ? ???????Υꥯ?????Ȥǻ??ꤷ?ޤ??? ?ꥯ?????ȤΤ??ä??ɥᥤ???Υ????ӥ????Ԥ??褦?? ???ꤵ???Ƥ??륵???Ф????Υ֥????ɥ??㥹?ȥ??å??????? ?????????ȡ? ???Υ????Фϡ? ypbind(8) ???Ф??Ʊ??????ޤ????????ơ? ypbind(8) ?Ϥ??Υ????ФΥ??ɥ쥹????Ͽ?????ΤǤ??? ?⤷??ʣ???Υ????Ф????Ѳ?ǽ?Ǥ????ʤ? (?㤨?С??ޥ????????? 1 ???ȥ??졼?֥????п????Ȥ????褦?ʾ???)?? ypbind(8) ?ϡ????ֺǽ??˱??????Ƥ????????ФΥ??ɥ쥹?????Ѥ??ޤ??? ???λ??????顢???饤?????ȥ????ƥ??? NIS ?ꥯ?????Ȥ򤹤٤Ƥ??Υ????Ф??????ޤ??? ypbind(8) ?ϻ????????Ф? “ping” ?򤫤????????Ф??ޤ???ư???Ǥ??뤳?Ȥ???ǧ???ޤ??? ???? ping ?α?????Ŭ?ڤʻ??????? ?????????ʤ??????ϡ? ypbind(8) ?ϡ??Х????ɤ????Ƥ??ʤ??Ȥ??????򤳤Υɥᥤ???ˤĤ??????? ?֥????ɥ??㥹?Ȥ??Ϥ????̤Υ????Фξ????????? ???褦?Ȥ??ޤ???

NIS ?ޥ????????Ф????ӥ??졼?֥????ФǤϡ? NIS ?Υꥯ?????ȤϤ??٤? ypserv(8) ?ǡ??????ǰ????ޤ??? ypserv(8) ?桼?ƥ????ƥ??ϡ? NIS ???饤?????Ȥ??????äƤ????ꥯ?????Ȥ????????ꡢ ?ꥯ?????Ȥ??줿?ɥᥤ?󤪤??ӥޥå?̾???б??????ǡ????١????ե????? ?ؤΥѥ????Ѵ????????Υǡ????١????????ǡ??????????Ф??? ???饤?????Ȥ??????֤??Ȥ????Ż??򤷤Ƥ??ޤ??? ???̤ʥꥯ?????Ȥν??礬???ꡢ ypserv(8) ?Ϥ??ν????򰷤????褦???߷פ????Ƥ??ޤ??????ΤۤȤ??ɤ? ɸ?? C ?饤?֥??????δؿ??Ȥ??Ƽ????????Ƥ??ޤ???

yp_order()

???δؿ??ϡ??????Υޥåפ???????????Ĵ?٤ޤ???

yp_master()

???δؿ??ϡ?Ϳ?????줿?ޥå? / ?ɥᥤ???? NIS ?ޥ?????????̾?????????ޤ???

yp_match()

???δؿ??ϡ??????Υޥå? / ?ɥᥤ??????Ϳ?????줿?????? ?б??????ǡ????򸫤Ĥ??ޤ???

yp_first()

???δؿ??ϡ??????Υޥå? / ?ɥᥤ?????κǽ??? ?????ȥǡ????Υڥ??????????ޤ???

yp_next()

???δؿ??ϡ? ypserv(8) ???????Υޥå? / ?ɥᥤ?????Υ??????Ϥ??????Υ????Τ??????? ???륭???ȥǡ??????Ф? ypserv(8) ???֤??Ƥ??餤?ޤ? (?ؿ? yp_first() ?? yp_next() ?Ȥ??Ѥ??ơ? NIS ?ޥåפ????֤˸????Ǥ??ޤ?)??

yp_all()

???δؿ??ϡ??ޥåפ????Ƥ򤹤٤Ƽ????Ф??ޤ???

????¾?ˤ⡢ ypserv(8) ?????????ȤΤǤ????ꥯ?????ȤϤ????Ĥ??????ޤ? (?Ĥޤꡢ?????Υɥᥤ???򰷤????Ȥ??Ǥ??Ƥ????Τ??ɤ????? ???????????? (YPPROC_DOMAIN) ?䡢?ɥᥤ???򰷤????Ȥ??Ǥ??? ?Ȥ??????????????????Ǥʤ??Ȥ??ˤ??ۤäƤ??????? (YPPROC_DOMAIN_NONACK) ?ʤɤǤ?)?????????????????????? ypbind(8) ?Τߤ??????????ꥯ?????ȤǤ??ꡢɸ???Υ桼?ƥ????ƥ? ?ǰ????????櫓?ǤϤ????ޤ?????

?ۥ??Ȥ??????ˤ????ͥåȥ?????Ǥϡ????? 1 ???? ?ޥ????????Ф??Ȥ??????⡢?ޥ????????? 1 ????ʣ???Υ??졼?֥????? ???Ȥ??????ɤ????Ȥ?¿?????ΤǤ??? ???졼?֥????Фϡ? ?ޥ????????Ф?????Ʊ?????????󶡤??ޤ????Ǥ????顢 ?ޥ????????о??Υޥåפ??ѹ??????Ȥ??Ϥ??ĤǤ⿷?????ǡ????? yppush(8) ???ޥ??ɤ??Ȥäƥ??졼?֥????Ф???ã???????褦?ˤ??٤??Ǥ??? NIS Makefile (/var/yp/Makefile) ???Ȥ??ȡ?????????????ưŪ?˹Ԥ????Ȥ??Ǥ??ޤ??? ???Τ????ˤϡ??????Ԥ? Makefile ?ե????????? “NOPUSH=true” ?Ƚ񤫤줿?Ԥ򥳥????ȥ????Ȥ??Ƥ??????? (NOPUSH ?ϡ??ǥե????ȤǤ? true ?????ꤵ???Ƥ??ޤ??? ?ǥե????Ȥ??????Ǥϡ? NIS ?????Ф? 1 ?Ĥ????ξ????ʥͥåȥ???ѤˤʤäƤ??뤫???Ǥ?)?? yppush(8) ???ޥ??ɤϡ??ޥ????????Фȥ??졼?֥????ФȤ? ?ȥ??󥶥????????򳫻Ϥ??ޤ??????δ֤ˡ????졼?֥????Фϡ? ?????Υޥåפ??ޥ????????Ф??顢 ypxfr(8) ???ޥ??ɤ??Ѥ???ž?????ޤ? (???졼?֥????Фϡ? ypserv(8) ?????????? ypxfr(8) ???ޥ??ɤ???ưŪ?˸ƤӽФ??ޤ??? ???Τ??ᡢ?????Ԥ?ľ?? ypxfr(8) ???ޥ??ɤ??¹Ԥ???ɬ?פ????̤????ޤ????? ?????Ǥ⡢ ???????????ʤ顢?????ȤǼ¹Ԥ??뤳?Ȥ??Ǥ??ޤ?)?? ???졼?֥????Ф??ݻ??????????ȡ??礭?ʥͥåȥ?????? NIS ?Υѥե????ޥ󥹸???????Ω???ޤ?????ͳ?ϼ????̤??Ǥ???

• NIS ?ޥ????????Ф??????å??夷???????仲?ȤǤ??ʤ??????ˡ? ?Хå????åץ????ӥ????󶡤??ޤ???
• ?ޥ????????Ф????٤????٤??????Ƥ??ޤ??ʤ??褦?ˡ? ???饤?????Ȥ????٤?ʣ???Υޥ?????ʬ?????ޤ???
• 1 ?Ĥ? NIS ?ɥᥤ?????????????ͥåȥ?????ۤ??ƻ??ѤǤ??ޤ? ( ?????Ф? ypbind(8) ?Υ֥????ɥ??㥹?Ȥ??ϰϳ??ˤ????С? ypbind(8) ?ǡ??????ϥ????Фΰ??֤???ư?ǤϷ????Ǥ??ޤ????? ypset(8) ???ޥ??ɤ??Ȥä? ypbind(8) ?ǡ????????????Υ????ФȥХ????ɤ???Ω?????褦?? ???뤳?ȤϤǤ??ޤ????????Τ褦?ˤ????????ؤʤ??Ȥ??????ޤ??? ?????????ϡ????졼?֥????Ф??????????ͥåȥ?????? ?֤??????Ǵ?ñ?˲????Ǥ??ޤ?)??

FreeBSD ?? ypserv(8) ?ϡ? FreeBSD ?Υ??饤?????ȥ????ƥ????????Ȥä????硢(¾?? NIS ?μ?????????) ???????줿 ?????????ƥ????󶡤????褦???߷פ????Ƥ??ޤ??? FreeBSD ?Υѥ???ɥǡ????١????????ƥ? (?????ϡ? 4.4BSD ???餽?Τޤ޼????Ѥ??줿???ΤǤ?) ?ˤϡ? ?֥????ɥ??ѥ???ɡ? ?Υ??ݡ??Ȥ??ޤޤ??Ƥ??ޤ???ɸ??Ū?ʥѥ???ɥǡ????١??? ?ˤϡ??Ź沽???줿?桼???ѥ???ɤϴޤޤ??Ƥ??ޤ????? ???????ˡ??Ź沽???줿?ѥ???ɤ? (¾?ξ????Ȱ?????) ?????ѥ桼???Τߤ???????????ǽ?ʥǡ????١?????ʬ???? ??¸?????Ƥ??ޤ??? ?Ź沽???줿?ѥ???ɤ? NIS ?ޥåפȤ????????Ǥ????Ȥ????顢 ???Υ????????ƥ???????Ū?˵?ǽ???ʤ??ʤ??Ǥ??礦???ʤ??ʤ顢 ?桼????ï?Ǥ? NIS ?Υǡ??????????Ǥ??뤫???Ǥ???

?Ź沽???줿?ѥ???ɤ? NIS ??ͳ?Ǽ????????ʤ??褦?ˤ??뤿?ᡢ FreeBSD ?? NIS ?????ФǤϡ??ü?????ˡ?ǥ????ɥ??ѥ???ɥޥå? (master.passwd.byname ?? master.passwd.byuid) ?򰷤??ޤ??? ?????Фϡ??ø??ݡ??Ȥ????????줿?ꥯ?????Ȥ? ?Ф????????򤹤??Ȥ??Τߡ??????ɥ??ѥ???ɥޥåפ? ???????????ޤ????ø??ݡ??Ȥؤ???³?? ???????Ƥ????Τ? root ?????ʤΤǡ??????Фϡ????Τ褦?? ?ꥯ?????ȤϤ??٤??ø??桼?? (root) ?????Τ??ΤǤ????? ???ꤹ???櫓?Ǥ???????¾?Υݡ??Ȥ????Υ????????Ϥ??٤? ???ݤ????ޤ????ø??Τʤ??ݡ??Ȥ????ꥯ?????Ȥ??Ф??Ƥ? ?????Ф????ϥ??顼?????ɤ??֤äƤ????????Ǥ??? ?????ˡ? FreeBSD ?? ypserv(8) ?ϡ? Wietse Venema ?? tcp ???åѥѥå??????򥵥ݡ??Ȥ??Ƥ??ޤ??? tcp ???åѤΥ??ݡ??Ȥ?ͭ???ˤ????ȡ??????Ԥϡ? ypserv(8) ???¤??줿???饤?????ȥޥ??????Ф??ƤΤ߱????????褦?ˡ???????ǽ?Ǥ???

???????ε?ǽ?????ˤ??äơ????̤? NIS ??????ͥ?줿?????????ƥ????󶡤Ǥ??ޤ??????????Ǥ? ?褷?? 100 ?ѡ???????ͭ???Ǥ????櫓?ǤϤ????ޤ????? ?ͥåȥ???˥????????Ǥ???ï?????????Ф????ޤ??? ?????ɥ??ѥ???ɥޥåפ򳫼????????褦?ˤ??뤳?Ȥ? ?????Ǥ???ǽ?ʤΤǤ???

???饤??????¦?Ǥ? FreeBSD ?? getpwent(3) ?ؿ??ϼ?ưŪ?? master.passwd ?ޥåפ򸡺?????¸?ߤ??Ƥ????餽?????Ȥ??ޤ????⤷?? ?ޥåפ?¸?ߤ??Ƥ????顢???????Ȥ????????????̤? ?ޥåפ????ե??????? (???饹???ѥ???ɤ??Ȥ????Ƥ??????֡? ?????ƥ????????Ȥ?ͭ??????) ???ǥ????ɤ??ޤ??? ?⤷??¸?ߤ??Ƥ??ʤ??ʤ顢 ɸ???? passwd ?ޥåפ????????˻Ȥ????ޤ???

?ߴ???

FreeBSD ?ǤϤʤ? NIS ?????Ф? passwd(5) ?ե????????Ф???Ŭ?Ѥ????????ϡ? FreeBSD ?ǥѥ???ɤ˻??Ѥ??Ƥ????ǥե????Ȥ? MD5 ?????? ???餯???ѤǤ??ʤ??Ǥ??礦?? ?⤷?????Ǥ????С??ߴ????????ݤ??뤿?? login.conf(5) ?????ꤷ?Ƥ??? passwd_format ???ͤ? "des" ???ѹ????Ƥ?????????

?????ƥ??ˤ??äƤϡ??㤨?? SunOS 4.x ?ʤɤǤϡ??ۥ???̾?????褹???ؿ? (gethostbyname(), gethostbyaddr() ?ʤ?) ??????????ư???뤿???ˤ? NIS ??ư??Ƥ???ɬ?פ????????Τ??????ޤ??? ???????ä??????ƥ??Ǥϡ? ypserv(8) ?ǡ??????? hosts.byname ???뤤?? hosts.byaddr ?ޥå?????¸?ߤ??Ƥ??ʤ??ۥ??Ȥ˴ؤ??? ???????֤??褦???׵ᤵ?줿?????ˤϡ? DNS ?򻲾Ȥ??ޤ??? FreeBSD ?Υ꥾???Фϡ??ǥե????Ȥ? DNS ???Ȥ??ޤ? (˾???ʤ顢 NIS ???Ȥ??褦?ˤ??Ǥ??ޤ?)?? ???Τ??ᡢ FreeBSD ?? NIS ?????Ф? DNS ???ǥե????ȤǤϻ??Ȥ??ޤ????? ???????????̤ʥե饰???Ĥ??? ypserv(8) ????ư?????????? DNS ?򻲾Ȥ????褦?ˤʤ??ޤ??? ?ޤ??? v1 ?????Ф?¸?ߤ??뤳?Ȥ򶯤??׵᤹???褦?? ?????ƥ??򤪤Ȥʤ????????뤿?ᡢ ypserv(8) ?? NIS v1 ?????ФȤ?????Ͽ???뤳?Ȥ??Ǥ??ޤ? (FreeBSD ?? NIS v2 ?Τ߻??Ѥ??ޤ?????????¾?Υ????ƥ??Ǥϡ? SunOS 4.x ?⤽???Ǥ??????Х????ɤ???Ω?????ݤˡ? v1 ?????? v2 ??ξ???ε?ǽ??ͭ???륵???Ф?õ?????????Τ?¿???Ǥ?)?? FreeBSD ?? ypserv(8) ?ϡ??¤? NIS v1 ?ꥯ?????Ȥ򰷤??ޤ????? ???????????? “?н??⡼?? (kludge mode)” ?ϡ?v1 ?????? v2 ??ξ???ε?ǽ??ͭ???륵???Ф????Ǥ?õ?????륷???ƥ??? ?ۤ餻???ˤ??????Ǥ???

(?????????ü??ʵ?ǽ???ե饰?ˤĤ??Ƥξܺ٤? ypserv(8) ?Υޥ˥奢???ڡ????򻲾Ȥ??Ƥ???????)??

?Х?

FreeBSD ?Ǥϡ????? NIS ???饤?????Ȥˤ⥵???Фˤ??ʤ뤳?Ȥ??Ǥ??ޤ????? ypupdated(8) ???뤤?ϡ? yp_update() ?ؿ??ϥ??ݡ??Ȥ????Ƥ??ޤ??󡣤??????ˤ?ξ???Ȥ? ?????? RPC ??ɬ?פǤ????? FreeBSD ?ǤϤ????ˤĤ??Ƥ⥵?ݡ??Ȥ????Ƥ??ޤ?????

getservent(3) ?? getprotoent(3) ?ؿ??ϡ??ޤ? NIS ?򥵥ݡ??Ȥ??Ƥ??ޤ????? ?????ʤ??Ȥˡ????????Υե??????? ?????ۤ????ˤ˹???????ɬ?פ??????ޤ?????

?ޥ˥奢???ڡ????????äȤ????????񤯤٤??Ǥ????ä? ypclnt(3) ?ˤĤ??ƤϤ????Ǥ??? ???Ф餯?ϡ??긵?? Sun ?ޥ?????õ???ơ??????Ѥ? ?ޥ˥奢?????ɤ??Ǥ?????????

Sun ?⤳?????Ԥ⡢??ư???? ypbind ???????Ф򸫤Ĥ??????ʤ??Ȥ? ??????????????ʬ?????䤹????????ˡ???פ??դ??ޤ????Ǥ?????

????

YP ???֥????ƥ??ϡ? Sun ?μ????ȸߴ??Ȥʤ??褦?ˡ? Theo de Raadt ???ǽ餫???񤭤ޤ????? ?Х??ե??å????Ȳ??? ?????? NIS ?????ФΥ??ݡ??Ȥϡ????? Bill Paul ???ɲä??ޤ????? ??????¦?Υ????ɤϡ????Ȥ??ȡ? Peter Eriksson ?? Tobias Reber ???񤭡? GNU Public License ?˽??äƤ??ޤ??? Sun ?Υ????ɤϰ??ڻ??Ȥ????ޤ????Ǥ?????