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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 15 Apr 2020
      • Report Tweet
      • Report NetzDG Violation

      I love it when manufacturers ship their IoT firmware as an ELF file. With symbols. And DWARF debug info.pic.twitter.com/wGp40OMJUs

      12 replies 24 retweets 370 likes
    2. Florian Magin‏ @0x464D 15 Apr 2020
      • Report Tweet
      • Report NetzDG Violation
      Replying to @marcan42

      Why does everything decompile so cleanly except the obvious struct in param_1? Was there no type information for that? Or does that require "Decompiler Param ID" analysis or similar?

      1 reply 0 retweets 0 likes
    3. Hector Martin‏ @marcan42 15 Apr 2020
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      • Report NetzDG Violation
      Replying to @0x464D

      I'm not sure if the DWARF was missing that function signature info or Ghidra just doesn't know how to import it. It seems to have done a poor job with function signatures, even though it's gotten all the datatypes and globals.

      1 reply 0 retweets 1 like
    4. Florian Magin‏ @0x464D 15 Apr 2020
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      Replying to @marcan42

      If you want to send me the binary I can look into. This feels weird and like there is probably some easy way to apply that information that I don't know yet, but really want to find out before I actually need it for some project.

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 15 Apr 2020
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      Replying to @0x464D

      I'm not in front of my computer right now, but the binary is in this APK:https://m.apkpure.com/daikin-online-controller/eu.daikin.remoapp …

      5:16 AM - 15 Apr 2020
      • 2 Likes
      • Billy Tilax
      1 reply 0 retweets 2 likes
        1. New conversation
        1. Florian Magin‏ @0x464D 15 Apr 2020
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          Replying to @marcan42

          Found it. The function signatures are also contained in the datatype archive with all the other datatypes. Rightclick the archive that is named like the program and click "Apply function signatures" Bonus: You can add comments for inline functions with an auto analysis optionpic.twitter.com/HLrUSuVDkg

          2 replies 1 retweet 11 likes
        2. RealGene ☣️‏ @RealGene 15 Apr 2020
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          Replying to @0x464D @marcan42

          "Setteing"pic.twitter.com/TxxAHks96V

          1 reply 0 retweets 0 likes
        3. Show replies

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