Áú: /etc/securettys
file¸¦ ½á¼ root°¡ µé¾î°¥ ¼ö
ÀÖ´Â tty¸¦ Á¶Á¤ÇØ¿ÔÀ¾´Ï´Ù¸¸, ÀÌÁ¦´Â ¾È µË´Ï´Ù. ¹¹°¡ À߸øÀϱî¿ä?
´ä: /etc/securettys
fileÀº Shadow SuiteÀÌ ¼³Ä¡µÈ
µÚ¿¡´Â ´õÀÌ»ó ¾µ ¼ö ¾øÀ¾´Ï´Ù. login ¼³Á¤ fileÀÎ /etc/login.defs
¿¡¼
root°¡ ¾µ ¼ö ÀÖ´Â tty¸¦ Á¤ÇÒ ¼ö ÀÖÀ¾´Ï´Ù. ÀÌ fileÀÇ Ç׸ñÀº ¶Ç ´Ù¸¥
fileÀ» °¡¸£Å³ ¼ö ÀÖÀ¾´Ï´Ù.
Áú: Shadow SuiteÀ» ¼³Ä¡Çß´õ´Ï, loginÇÒ ¼ö ¾øÀ¾´Ï´Ù. ³»°¡ ¹«¾ó »© ¸Ô¾úÁö¿ä?
´ä: ¾Æ¸¶ Shadow programµéÀ» ¼³Ä¡ÇßÁö¸¸, pwconv
¸¦ ½ÇÇà½ÃÅ°Áö
¾Ê¾Ò´øÁö, /etc/npasswd
¿Í /etc/nshadow
¸¦ /etc/passwd
¿Í
/etc/shadow
·Î º¹»çÇÏ´Â °ÍÀ» ÀؾúÀ» °Ì´Ï´Ù. ¶ÇÇÑ login.defs
¸¦
/etc
·Î º¹»çÇØ¾ß µË´Ï´Ù.
Áú: xlock section¿¡¼, /etc/shadow
ÀÇ group ¼ÒÀ¯ÀÚ¸¦
shadow
·Î ¹Ù²Ù¶ó°í ÇÕ´Ï´Ù. ³ª´Â shadow
groupÀ» °¡Áö°í ÀÖÁö
¾Ê½À´Ï´Ù. ¹» ÇؾߵÇÁö¿ä?
´ä: Ãß°¡ÇÏ½Ã¸é µË´Ï´Ù. °£´ÜÈ÷ /etc/group
file¿¡ ÇÑÁÙ Ãß°¡Çϸé
µË´Ï´Ù. ´Ù¸¥ groupÀ¸·Î ¾²ÀÌ°í ÀÖÁö ¾ÊÀº group number·Î ÇÒ´çÇؼ
nogroup
Ç׸ñÀü¿¡ »ðÀÔÇÏ¸é µË´Ï´Ù. ¶Ç´Â xlock
¸¦ SUID root·Î
ÇÏ¸é µË´Ï´Ù.
Áú: Linux Shadow Password Suite¿¡ ´ëÇÑ mailing list°¡ ÀÖÀ¾´Ï±î?
´ä: ¿¹, ÇÏÁö¸¸ ´ÙÀ½ Linux Shadow SuiteÀÇ beta test¿Í °³¹ßÀ» À§ÇÑ
°Ì´Ï´Ù. shadow-list-request@neptune.cin.net
¿¡ Á¦¸ñ(subject)À»
subscribe
·Î Çؼ mail·Î º¸³»½Ã¸é list¿¡ Ãß°¡µÇ½Ç ¼ö ÀÖÀ¾´Ï´Ù.
ÀÌ list´Â ½ÇÁö·Î Linux shadow-YYMMSS
series¿¡ ´ëÇؼ Åä·ÐÇÏ°í
ÀÖÀ¾´Ï´Ù. ¸¸ÀÏ °³¹ß¿¡ Âü°¡ÇÏ°í ½Í°Å³ª, ´ç½ÅÀÇ system¿¡ Suite¸¦ ±ò°í ÃÖ±Ù
release¿¡ ´ëÇÑ Á¤º¸¸¦ ¾ò°í ½Í´Ù¸é, Âü°¡Çϼŵµ µË´Ï´Ù.
Áú: Shadow Suite¸¦ ¼³Ä¡ÇßÀ¾´Ï´Ù. ±×·±µ¥, userdel
¸í·ÉÀ» »ç¿ëÇÒ ¶§¸¶´Ù, "userdel: cannot open shadow group file"À̶õ message¸¦
¹Þ½À´Ï´Ù. ¹» À߸øÇßÁö¿ä?
´ä: Shadow Suite¸¦ SHADOWGRP
option°¡´ÉÀ¸·Î
compileÇßÁö¸¸, /etc/gshadow
fileÀÌ ¾ø´Â °ÍÀÔ´Ï´Ù. config.h
¸¦
ÆíÁýÇؼ ´Ù½Ã compileÇϰųª, /etc/group
fileÀ» ¸¸µå½Ê½Ã¿ä.
shadow group¿¡ ´ëÇÑ sectionÀ» ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù.
Áú: Shadow SuiteÀ» ¼³Ä¡ÇßÁö¸¸,
Áö±Ý /etc/passwd
¿¡ encodeµÈ password°¡ ÀÖÀ¾´Ï´Ù.
¹¹°¡ À߸øµÆÁö¿ä?
´ä: Shadow config.h
file¿¡ AUTOSHADOW
option
°¡´ÉÇÏ°Ô Ç߰ųª, libc
¸¦ SHADOW_COMPAT
optionÀ» ÁÖ°í
compileÇßÀ» °Ì´Ï´Ù. ¾î´À ¹®Á¦ÀÎÁö È®ÀÎÇؼ ´Ù½Ã compileÇϽʽÿä.