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37 lines
1.1 KiB
Markdown
37 lines
1.1 KiB
Markdown
# Getting Started
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## add DobbyX.framework to your project
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```
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cmake .. -G Xcode -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_ARCHITECTURES=arm64 -DCMAKE_SYSTEM_PROCESSOR=arm64 -DCMAKE_OSX_DEPLOYMENT_TARGET=9.3
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```
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**drag the `DobbyX.xcodeproj` to your project**
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## replace hook function
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ref source `builtin-plugin/ApplicationEventMonitor/dynamic_loader_monitor.cc`
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ref source `builtin-plugin/ApplicationEventMonitor/posix_file_descriptor_operation_monitor.cc`
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## instrument function
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ref source `builtin-plugin/ApplicationEventMonitor/MGCopyAnswerMonitor.cc`
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## replace pac function
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```
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void *posix_spawn_ptr = __builtin_ptrauth_strip((void *)posix_spawn, ptrauth_key_asia);
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void *fake_posix_spawn_ptr = __builtin_ptrauth_strip((void *)fake_posix_spawn, ptrauth_key_asia);
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DobbyHook((void *)posix_spawn_ptr, (void *)fake_posix_spawn_ptr, (void **)&orig_posix_spawn);
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*(void **)&orig_posix_spawn = (void *)ptrauth_sign_unauthenticated((void *)orig_posix_spawn, ptrauth_key_asia, 0);
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```
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## objective-c toolkit
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invoke `DobbyOCReturnConstant("XXClass", "isVip", true);` will hook the objective-c instance/class method, and return the constant 1 automatically.
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