!==
!== UNIX-SMB.txt for Samba release 2.0.6 11 Nov 1999
!==
Ƽ:	Andrew Tridgell <samba-bugs@samba.org>
:	1995/04

: ƣʸͥ <fumiya@cij.co.jp>
:	ĽӺ <oota@pes.com1.fc.nec.co.jp>
: 1999/02/04

:	UNIX ˤ NetBIOS ʸ
============================================================================

ûʸϡSMB  UNIX μˤľ̤뤤Ĥȡ
Samba ɤΤ褦ˤƤн褹뤫򵭽Ҥ롣
UNIX<->PC ߱Ĵ٤ƤͤνȤʤ

 UNIX  PC ؤ³ˤĤƤν񤤤Ƥͤ
뤿˼ɮ줿

桼̾
========

SMB ץȥΤʥ桼̾γǰġ SMB ץȥ
(CORE  COREPLUS ʤ)ϡޤä桼̾γǰʤǶΥץȥ
Ǥ饤ȤϤӤӡǽ˥ФؤΥ桼̾ǧڤ򤻤ˡ
ߤ(ä˥ץ󥿤)

UNIX Υƥϥ桼̾/ѥɤФ˴ŤƤ롣UNIX ޥϡ
ǧڤʤˤϤɤʼ¼Ū⥯饤Ȥ˼¹Ԥʤ

ˤϡUNIX Фֶͭ٥ץƥ⡼ɤǤ
롣̾ϡ줬֥桼٥ץƥ⡼ɤ
Υ⡼ɤǤꡢ³줿ơζͭ񸻤Ʊ桼ˤʤ褦
Фؤ³򡢥饤Ȥ˶롣¿ΥȤˤȤä
ԹǤ롣

ֶͭ٥ץƥǤϡդĤ饤Ȥϡsession setup
ץȥǥ桼̾Ϳ뤬ȼѥɤͿʤ
˥饤Ȥϡtree connectץץȥȤäƻ񸻤³
ѥɤͿ롣ϡPC ФؤΥ뤿ˤϥ桼̾
ѥɤƱͿʤФʤʤȤΤʤᡢPC Υ桼
ۤʤǥ桼̾ȥѥɤϤ뤳Ȥˤ롣դĤ桼̾
桼 PC ˡ֥פȤϤΤǤ(
Windows for Workgroups ꤷƤ)ѥɤϥǥץ󥿤
³Ȥ˥桼򤹤ΤǤ롣

桼ɥ饤³˴ؤ򤹤Ȥޤäۤʤ桼̾褯
򤹤롣ޤӤӥ桼ϡۤʤ桼̾ǰۤʤɥ饤֤
ȻפUNIX Фϳƥѥɤȷ礹桼̾
¬ˡɬפȤ롣

Samba ϤĤˡѤƤ򤷤褦Ȼߤ롣
ۤȤɤΥǤޤ椯ˡȤơ桼̾ޥå(username map
ץ)service%user ʸǧѤ session setup Υ桼̾¸
ƥӥ̾Υ桼̾ͶƳ(ľܤޤ user ץˤ)
롣

եνͭ
================

̤˻Ȥ SMB ץȥϡ֤ʤϼ¹ԤǤʤʤʤ
եͭƤʤפΤ餻ˡʤ¡
եνͭȤǰޤäʤ

Ϥʶ̣ȤСUNIX Υɥ饤֤
ե򥳥ԡȤï񤭹߲ǽ¾ͤͭƤ
եϡΤž뤬äդ롣θϡ
UNIX ˤ utime() θƤӽФϡե뤬ï񤭹߲ǽǤäƤ
եνͭԤޤ root ˤäƤΤ뤳Ȥˤ롣
ƥͳˤꡢSamba Ϥ٤ƤΥե root ǤϤʤ
ǧڤ줿桼Ǽ¹Ԥ뤿ᡢutime() ϼԤ롣makeפΤ褦
ץबե֤ӤǤʤ顢ͭƤ볫ȯ
ǥ쥯ȥ꤬ͤޤäƤޤ

Ф뤤ĤΤ褤ˡ롣桼̾Υޥåԥ󥰤
ޤˡ(username map ץ)Ƹ̤ζͭ񸻤Ф
桼ˡ(force user ץ)Ǥ롣

ѥ
==========

¿ SMB 饤ȤϡѥɤʸѴ(uppercase)롣
錄ˤϡʤΤ褦ưΤǤʤ򤤤ȤˡWfWg 
Ф COREPLUS ʹߤΥץȥưƤѥɤ
ʸѴ롣ä餫ˡդΤϥǡϥ롼ǤϤʤ

UNIX ѥɤʸ/ʸ(case)̤롣Τᡢ桼
ʸ/ʸ򺮤ѥɤѤƤȤʤ롣

Samba Ϥй뤿ˡpassword levelץץ󤫡password server
ץߤ뤳ȤǤ롣password leveץץϡ󶡤줿
ѥɤꤷʸ/ʸοѲ褦 Samba ˤ롣
password serverפѤ뤳ȤǡSamba ϤۤΥޥ(̤ˤ
WinNT )̤ơѥɤȽǤ뤳ȤǤ롣

Samba  SMB 饤ȤˤäƻѤѥɤΰŹ沽
ݡȤ롣դȤơMicrosoft ͥåȥˤѥɤ
Ź沽εǽϥѥɤΥϥå뤬ϡʿʸפ
롣ˡǤϡѥɤΥϥåޤ Samba  smbpasswd
ե뤬root 桼ˤäƤΤɤ߽ФǽǤ뤳Ȥݾڤ뤳Ȥ
**פȤʤ롣ʤܺ٤ ENCRYPTION.txt 򻲾ȤΤȡ

å (Locking)
====================

DOS/Windows ĶΤȤǲǽʥå󥰸ƤӽФϡUNIX ǲǽʤΤ
ä˭٤Ǥ롣UNIX (Ȥ Samba)ɸŪ fcntl() 
ܤȤ UNIX Υå󥰸ƤӽФȤä SMB Υå󥰤ˤϡ
ӥåȤ֤˹碌˺ɬפ뤳Ȥˤʤ롣

1Ĥ礭ϡDOS Υå 32 ӥå(ʤ)ϰϤޤǲǽ
ˤ롣UNIX Υå󥰤 32 ӥåȤǤ뤬椢ʤᡢ31 ӥåȤ
ϰϤͿ롣Աˤ⡢OLE2 饤Ȥ OLE Υޥե˻Ѥ
å󥰤ϰϤ֤˺Ǿ̥ӥåȤѤ롣

򤹤뤿ᡢSamba ŬʥӥåȡեȤˤä 32 ӥåȤ
ϰϤ 31 ӥåȤ˰̤롣ϵǽ褦Ǥ뤬ŪǤʤ
ΥСǤϡн褹뤿Ω SMB lockd 
ɲä

Ǥ⡢ȤƤХ¿(buggy)鷺װǥå夹ۤȤɤ
UNIX  lockd ǡˤϸ̤ʤĤ UNIX Υץब
ХϰϤΥå󥰤Ѥʤᡢ̾ۤȤɻȤʤ
DOS/Windows ˤʿΥå׵Υȥ쥹ƥΥǡ
Ȥ롣

2Ĥ礭ϡĤΥ饤Ȥˤopportunistic locking
׵Ǥ롣饤Ȥ opportunistic locking ׵᤹ȡ
ۤΥ饤ȤƱեˤʤˤ򤷤褦Ȼߤˡ
Τ餻褦˥Ф˰ꤹ롣ΤäȤ饤ȤϤ
åβ˾Ǥ뤫ɤUNIX ˤ opportunistic locking 
뤿δñˡʤᡢߤ Samba Ϥ򥵥ݡȤʤ

ݥ⡼ (Deny Modes)
=======================

SMB 饤Ȥե򥪡ץ󤹤Ȥ饤Ȥ
ֵݥ⡼ɡפե֤褦˵롣Υ⡼(DENY_NONE
DENY_READDENY_WRITEDENY_ALLDENY_FCB  DENY_DOS)ϡƱ
եѤ褦ȤۤΥ饤ȤɤưĤ뤫򼨤
Ȥ DENY_READ ե֤ȡեɤ⤦Ȥ륪ץ
ߤϤ٤ƼԤϤǤ롣

UNIX ˤƱγǰʤ뤿ᡢSamba ʬΥå
ǥ쥯ȥ˰֤ե inode ˴Ťåե뤫
ͭμѤ롣åեˤˡϰˤ
ץȥեλ񸻤ϲ񤷡ͭˤϤ뤫˹ޤ
򥵥ݡȤ륷ƥǤϴǻѤ롣

Ȥ UID (trapdoor UIDs)
============================

SMB åϡñΥåȤФƤĤ UID ư뤳Ȥ롣
ϡ桼ۤʤ桼̾ 2 Ĥζͭ񸻤³Ȥ˵롣
򤦤ޤˤϡUNIX ФϡñΥץ UID ڤؤ
ɬפ롣 UNIX (Ȥ SCO)ǤϡưԲǽǤ롣
 UNIX Ǥϡ饤Ȥñ UID ¤뤳Ȥ̣롣

դƤۤΤϡۤͳǤtrapdoor uidץåܤˤ뤳Ȥ
롣ܺ٤ FAQ 򻲾ȤΤȡ

ݡֹ
==========

饤ȤϡåȤ˹⤤øץݡֹ(>1000)Ѥ
㤤øץݡֹΥФ³Ȥ롣UNIX Ǥϡ
root ʳΥ桼ϡ1000 ʲΥݡֹˡ³Ԥ(listening)
åȤ򥪡ץǤʤ褦ˤʤäƤ롣

ۤȤɤ PC ܤȤ SMB 饤(WfWg  WinNT ʤ)ϡν
ޤääƤʤϡ UDP ݡ 137  NetBIOS ͡
ӥˤ롣̾䤤碌׵ϥݡ 137 򸻤ˤäƤ롣ϡ㤤
ݡֹäƤѥåȤϵĤʤȤŪʥե
¸뤿μˡȤ߹碌Ȥʤ롣Υ饤Ȥ
㤤ݡֹܤȤեθ¦ˤ NetBIOS ͡
Ф˼ǤʤȤ̣롣

NetBIOS Ρɾ䤤碌ˤĤƤϤ˿錄Τ¤ꡢ
WfWgWin95WinNT3.5 ϡ׵νнΥݡȤǤȡNetBIOS Ρɾ
䤤碌ФƤϤ٤ƥݡ 137 ˱롣Ȥݡ 137 
ѤƤޥ֤ǵǽ뤬root ưƤʤ UNIX 桼ϡ
OS ؤΥΡɾ׵ԤȤԲǽǤ뤳Ȥ̣롣֤ä
뤬 UNIX 桼˵İǤʤݡ 137 Ϥ⤷ȤˡWinNT3.1
ϡŬڤ˽ - ׵νнΥݡȤ˥Ρɾֱ᤹

ץȥʣ
==================

SMB ץȥˤϡ¿Ρ֥ץȥ롦٥פ롣ǽ Microsoft
ڥ졼ƥ󥰡ƥɲä뤿ӡǽϤ󶡤뤿ᡢ
Ʊεǽ SMB ץȥοץȥ롦٥ɲäƤ褦
롣

ϥץȥ뤬ˡפƤ뤳Ȥ̣줾Υե
¹Ԥ¿ˡ󶡤Ƥ롣SMB Фʣˡ礭
ɬפ뤳Ȥˤʤ롣ޤХʤ褦˺ΤϤʤ񤷤ޤ
Samba Ϥ˶줷Ǥ롣WinNT ʤɤΤۤΥФϤ٤ƤθƤӽФ
٤Ƥκۤ򥵥ݡȤƤ餺Ѳǽ̵ SMB ƤӽФ
ݡȤǡMS γȯԤˤȤäƤϴְ㤤ʤƬˤμȤʤäƤ롣

SMB ץȥˤ 65 Ρ֥ȥåס٥(SMBread  SMBwrite ʤ)
롣ΤĤϿɴΥֵǽޤǤ(SMBtrans 
DosPrintQAdd  NetSessionEnum ʤɡʤȤ120ΥֵǽäƤ)
餹٤ƤϡĤΥץưˡѹ뤳ȤǤ롣
¿ϤĤΡ־٥פꡢ᤹ɬפ빽¤ΤѤ
ȤǤ롣Samba  2 ĤΡ֥ȥåס٥׵ǽʳΤ٤Ƥ򥵥ݡȤ롣
 8 Ĥ SMBtrans ֵǽ򥵥ݡȤƤ롣NT Ǥ
٤Ƥ򥵥ݡȤƤʤ

Samba ϸߡWin95  WinNT3.5 Ƥ줿NT LM 0.12ץץȥޤǤ
ݡȤ롣ˤ⡢Υץȥ롦٥ϡǽϡΰ
Ķǿ(super-duper new-fangled)Υץ򡢥Фݡ
Ƥ뤫ɤ򼨤ϡΥץȥ롦٥μñ˺
Ȥʤ롣

 SMB λͽˤ꤬롣SMB  X/Open λͤǤ뤬X/Open 
ܤϾŪǤϤʤ¿νפ갷鷺ǤƤ롣
Microsoft ϺǶᡢSMB ץȥ CIFS (Common Internet File System) 
̾ѤƿʻͤϸŤ X/Open ʸ
ͥƤ뤬ȤƵҤƤʤħ¸ߤ롣
