๋ณธ๋ฌธ์œผ๋กœ ์ด๋™

์„ธ์…˜ ๊ด€๋ฆฌ์ž ํ•˜์œ„ ์‹œ์Šคํ…œ

์œ„ํ‚ค๋ฐฑ๊ณผ, ์šฐ๋ฆฌ ๋ชจ๋‘์˜ ๋ฐฑ๊ณผ์‚ฌ์ „.
(Smss.exe์—์„œ ๋„˜์–ด์˜ด)

์„ธ์…˜ ๊ด€๋ฆฌ์ž ํ•˜์œ„ ์‹œ์Šคํ…œ(Session Manager Subsystem), ๋˜๋Š” smss.exe๋Š” ๋งˆ์ดํฌ๋กœ์†Œํ”„ํŠธ ์œˆ๋„์šฐ NT์˜ ๊ตฌ์„ฑ ์š”์†Œ์ด๋‹ค. ์ด๊ฒƒ์€ ์œˆ๋„์šฐ NT ์‹œ์ž‘ ํ”„๋กœ์„ธ์Šคย ๊ณผ์ •์— ์‹คํ–‰๋˜๋ฉฐ, ์ด ๋•Œย :

  • ํ™˜๊ฒฝ ๋ณ€์ˆ˜๋ฅผ ์ƒ์„ฑํ•œ๋‹ค.
  • NT ์ปค๋„๊ณผ ์œˆ๋„์šฐ APIย ํ•˜์œ„ ์‹œ์Šคํ…œ์˜ ์‚ฌ์šฉ์ž ๋ชจ๋“œ๋ฅผ ์‹œ์ž‘ํ•œ๋‹ค. ์ด ํ•˜์œ„ ์‹œ์Šคํ…œ์€ win32k.sys (kernel-mode), winsrv.dll (user-mode), ๊ทธ๋ฆฌ๊ณ  csrss.exe (user-mode)์„ ํฌํ•จํ•œ๋‹ค.[1] ๋˜ํ•œ ๋ช…๋‹จ์— ์˜ฌ๋ผ์™€ ์žˆ๋Š”, HKLM\System\CurrentControlSet\Control\Session Manager\SubSystems ์œˆ๋„์šฐ ๋ ˆ์ง€์ŠคํŠธ๋ฆฌย ํ‚ค์—์„œ Required ๊ฐ’์„ ๊ฐ€์ง„ ๋‹ค๋ฅธ ํ•˜์œ„ ์‹œ์Šคํ…œ๋“ค๋„ ์‹œ์ž‘๋œ๋‹ค.
  • HKLM\System\CurrentControlSet\Control\Session Manager\DOS ๋””๋ฐ”์ด์Šค ๋ ˆ์ง€์ŠคํŠธ๋ฆฌ ํ‚ค์— ์˜ฌ๋ผ์™€ ์žˆ๋Š” (e.g. CON:, NUL:, AUX:, COM1:, COM2:, COM3:, COM4:, PRN:, LPT1:, LPT2:, LPT3:, and drive letters) DOS device mappings๋ฅผ ์ƒ์„ฑํ•œ๋‹ค. ์ด๊ฒƒ์€ ์˜๊ตฌ์ ์ธ subst ๋“œ๋ผ์ด๋ธŒ๋ฅผ ์ƒ์„ฑํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ๋‹ค.
  • ๊ฐ€์ƒ ๋ฉ”๋ชจ๋ฆฌ ํŽ˜์ด์ง• ํŒŒ์ผ๋“ค์„ ์ƒ์„ฑํ•œ๋‹ค.
  • ์œˆ๋„์šฐ ๋กœ๊ทธ์˜จ ๋งค๋‹ˆ์ €์ธย ์œˆ๋กœ๊ทธ์˜จ์„ ์‹œ์ž‘ํ•œ๋‹ค.[2]

๋ถ€ํŒ… ๊ณผ์ •์ด ๋๋‚œ ํ›„์—๋Š” ๋ฉ”๋ชจ๋ฆฌ์— ์ƒ์ฃผํ•˜๋ฉฐ ์œˆ๋„์šฐ ์ž‘์—… ๊ด€๋ฆฌ์ž์—์„œ ์‹คํ–‰ ์ค‘์ธ ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค. ๊ทธ ํ›„ winlogon.exe ๋˜๋Š” csrss.exe๊ฐ€ ์ข…๋ฃŒ๋˜๊ธฐ๋ฅผ ๊ธฐ๋‹ค๋ฆฌ๋ฉฐ ์œˆ๋„์šฐ๋Š” ์ข…๋ฃŒ๋œ๋‹ค. ๋งŒ์•ฝ ์ข…๋ฃŒ ๊ณผ์ •์ด ์˜ˆ์ƒ๋Œ€๋กœ ๋๋‚˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ, smss.exe๋Š” ์‹œ์Šคํ…œ์„ ๋Œ€๊ธฐ์‹œํ‚ค๊ฒŒ ๋œ๋‹ค.[2]

๊ฐ์ฃผ

[ํŽธ์ง‘]
  1. โ†‘ Matt Pietrek (1996). โ€œPoking Around Under the Hood: A Programmer's View of Windows NT 4.0โ€. Microsoft Systems Journal. 2009๋…„ 6์›” 14์ผ์— ํ™•์ธํ•จ.
  2. 1 2 ๋งˆ์ดํฌ๋กœ์†Œํ”„ํŠธ (2007). โ€œDefault Processes in Windows 2000โ€. Microsoft Corporation. 2009๋…„ 6์›” 14์ผ์— ํ™•์ธํ•จ.

๋” ์ฝ์–ด๋ณด๊ธฐ

[ํŽธ์ง‘]

๊ฐ™์ด ๋ณด๊ธฐ

[ํŽธ์ง‘]