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35 lines
1.5 KiB
Markdown
35 lines
1.5 KiB
Markdown
Apple Internals
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===============
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This repository provides tools and information to help understand and analyze the internals
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of Apple’s operating system platforms. Information is collected in a text file and
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[presented on a website](https://mroi.github.io/apple-internals). A [Nix
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flake](https://nixos.wiki/wiki/Flakes) allows to build the following externally hosted
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tools:
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[**acextract**](https://github.com/bartoszj/acextract)
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Unpacks asset catalogs to individual files.
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[**dyld-shared-cache-extractor**](https://github.com/keith/dyld-shared-cache-extractor)
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Extracts dynamic libraries from the dyld linker cache.
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[**snapUtil**](https://github.com/ahl/apfs)
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Manages APFS snapshots.
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The Makefile aggregates various kinds of information from the system in a SQLite database
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and checks the internals text file against this information. Collected details include:
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* all file names of the installed macOS and the iOS, tvOS, and watchOS simulators
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* linkages of binaries to libraries
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* entitlements for all executables
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* plain-text strings embedded in binaries
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* launchd service descriptions and bundle Info.plist content
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* lists of assets inside asset catalogs
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To manually analyze and debug macOS, it can be helpful to temporarily [disable its security
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protections](https://gist.github.com/macshome/15f995a4e849acd75caf14f2e50e7e98).
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___
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This work is licensed under the [MIT license](https://mit-license.org) so you can freely use
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and share as long as you retain the copyright notice and license text.
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