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Take a peep at .app

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for griffin-stewie griffin-stewie
December 08, 2017
Technology
480
0

Take a peep at .app

How to dig into Apple's app.

Avatar for griffin-stewie

griffin-stewie

December 08, 2017

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Transcript

  1. Take a peep at .app @griffin-stewie

  2. Fenrir Inc. @griffin-stewie

  3. Motive

  4. • ۀ຿಺ͰʮApple ͷ˓˓ΞϓϦ෩ͳײ͡ʯ • ࣮ࡍʹͲ͏΍ͬͯΔͷ͔ؾʹͳΔ

  5. We can do it!

  6. iOS Simulator ͰͳΒ • Xcode ͷ Attach To Process •

    ϓϩηε໊͕෼͔Ε͹͍͚Δ • ViewDebugging Ͱߏ଄͕෼͔Δ • LLDB Ͱ಺෦࣮૷͕෼͔Δ

  7. 1. Xcode Ͱద౰ͳϓϩδΣΫτΛ։͘ 2. γϛϡϨʔλͰ Debug Run 3. ର৅ΞϓϦΛγϛϡϨʔλͰىಈͤ͞Δ 4.

    Attach To Process 5. ViewDebugging ։࢝ खॱ

  8. How to find?

  9. ද໊ࣔ ϓϩηε໊ ΧϨϯμʔBQQ .PCJMF$BM ࣸਅBQQ .PCJMF4MJEF4IPX ஍ਤBQQ .BQT /FXTBQQ /FXT

    ϦϚΠϯμʔBQQ 3FNJOEFST ϔϧεέΞBQQ )FBMUI 8BMMFUBQQ 1BTTCPPL ઃఆBQQ 1SFGFSFODFT J.FTTBHFTBQQ .PCJMF4.4 4BGBSJBQQ .PCJMF4BGBSJ ࿈བྷઌBQQ $POUBDUT ϗʔϜը໘ 4QSJOH#PBSE

  10. Demo

  11. None

  12. Tips

  13. LLDBͰΰχϣΰχϣ • View Λબ୒ • ӈϖΠϯ OnjectInspector ʹΞυϨε͕͋Δ • Console

    ʹίϐϖͯ͠ϝιουݺͼग़͠

  14. Swift Ͱ΍Ζ͏ͱ͢Δͱ • Framework ͷΠϯϙʔτ͕ඞཁ • Ωϟετ͕ඞཁ • ͦ΋ͦ΋ະ஌ͷΞϓϦͩͱ࿩ʹͳΒͳ͍

  15. ͜͜Ͱ Objective-C

  16. Objective-C ͳΒ • Framework ͷΠϯϙʔτ͕ෆཁ • (ิ׬͕͍Βͳ͍ͳΒ)Ωϟετ͕ෆཁ • ະ஌Ͱ΋ؔ܎ͳ͍

  17. Wrap up

  18. ಘΒΕͨ஌ݟ • Apple ͸ Container ViewController Λଟ༻͍ͯ͠ Δ • UIWindow.rootViewController

    ͕ΧελϜ ViewController • Ϋϥε໊ͷ໋໊ͷࢀߟ

  19. ͓·͚ • Ϋϥεͷ಺෦࣮૷·ͰݟΔͷ͸ςΫ͕͍Δ • LLDB Plugin (Chisel) ศར • ࣮ػͰ΋σόοάγϯϘϧ͕͋Ε͹ʁࣗ෼͕Ϗϧ

    υͯ͠ͳ͍ΞϓϦͰ΋ Attach ͯ͠ͷ͚ͧΔ