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# [WireGuard](https://www.wireguard.com/) for Android ROMs and Kernels
This repository contains various ways of integrating [WireGuard](https://www.wireguard.com/) into Android systems. The result may be used with [the WireGuard Android GUI app](https://play.google.com/apps/testing/com.wireguard.android). This is currently tested on Android 7 and kernels ≥3.10.
## Integrating into ROMs Directly
This is the preferred approach. It is embedded into your ROM via a simple `local_manifest.xml`, so that WireGuard is built into the kernel and userland of an Android ROM.
To use, add the following local manifest to your project, or include the `<remote>` and `<project>` lines in an existing manifest:
```
<?xml version="1.0" encoding="UTF-8"?>
<manifest>
<remote name="zx2c4" fetch="https://git.zx2c4.com/" />
<project remote="zx2c4" name="android_kernel_wireguard" path="kernel/wireguard" revision="master" sync-s="true" />
</manifest>
```
After that calls to `repo sync` and `mka bacon` will do the right thing, giving you a WireGuard-enabled ROM.
## Standalone Kernel Built-in Module
If you do not wish to run a custom ROM, but would still like to build a kernel with WireGuard, you may patch WireGuard into your kernel using the following script:
```
$ cd standalone-kernel
$ ./patch-kernel.sh path/to/kernel
```
After this, WireGuard will be included as part of the ordinary kernel build.
## Standalone Tools
If your kernel already has WireGuard, perhaps via a standalone kernel module, but you need the tools for userland, you may build a flashable zip file, installable via recovery, with:
```
$ cd standalone-tools
$ make -j$(nproc)
$ adb sideload wireguard-tools.zip
```
## `wg-quick(8)` for Android
All of the above approaches include [`wg-quick(8)`](https://git.zx2c4.com/WireGuard/about/src/tools/wg-quick.8) for Android, which works via calls to Android's `ndc` command. Compared to the ordinary wg-quick, this one does not support `SaveConfig` and `{Pre,Post}{Up,Down}`. Put your configuration files into `/data/misc/wireguard/`. After that, the normal `wg-quick up|down` commands will work as usual. This is used automatically via the [the WireGuard Android GUI app](https://play.google.com/apps/testing/com.wireguard.android).
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