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39 lines
1.3 KiB
Markdown
39 lines
1.3 KiB
Markdown
# Master PDF Editor Patch
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Bypasses license validation for **Master PDF Editor 5.9.98** using inline hooking via [tinyhook](https://github.com/Antibioticss/tinyhook).
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Supports both **Apple Silicon (arm64)** and **Intel (x86_64)** architectures.
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## How it works
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The dylib hooks `MainWindow::ValidateLicense` to force license flags, then calls `QDocTab::SetRegProgram` to complete activation.
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## Build
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```sh
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git clone --recurse-submodules https://github.com/NohamR/MasterPDFEditor-patch.git
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cd MasterPDFEditor-patch
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make
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```
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Output: `MasterPDFEditor.dylib`
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## Usage
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To use the dylib, you have two options:
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**Option 1 — DYLD_INSERT_LIBRARIES** (requires SIP to be turned off; refer to [Apple's documentation](https://developer.apple.com/documentation/security/disabling-and-enabling-system-integrity-protection)):
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```sh
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DYLD_INSERT_LIBRARIES=/path/to/MasterPDFEditor.dylib '/Applications/Master PDF Editor.app/Contents/MacOS/Master PDF Editor'
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```
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**Option 2 — Permanent injection** (uses [optool](https://github.com/alexzielenski/optool) to inject the dylib into the app bundle):
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```sh
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./inject.sh /path/to/MasterPDFEditor.dylib '/Applications/Master PDF Editor.app'
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```
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## Analysis
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Full reverse engineering write-up: [noham.dev](https://noh.am/en/posts/master-pdf-editor-patch-analysis/) |