HoRNDIS 9.2 works perfectly on Apple Silicon (M1), macOS 12 Monterey with no code changes, as long as you compile the kext from source!

[akemin-dayo]

I'm glad to report that the latest version of HoRNDIS (9.2) works perfectly on Apple Silicon machines with no code changes required!

Basically, just compiling an additional arm64e (not arm64) binary slice to the HoRNDIS kext works! @jwise

Tested on macOS 12.0.1 21A559, "Monterey".

(I do realise that this isn't really an issue per se, but I just felt really bad for all the users complaining about broken functionality here…)

(Plus, speaking from my own personal experience as a fellow developer, I do find it quite helpful when someone else already tested compatibility for me ;P)

---

If you're a general user coming who just wants to use HoRNDIS on Apple Silicon right this instant…

Ever since macOS / OS X 10.10 Yosemite, Apple has required kernel extensions (kexts) to be signed by developers who are subscribed to the Apple Developer Program, who also have to apply for a special kext signing privilege.

You're… probably not one of those people. ;P

Luckily, there is a way for you to sign your own kexts using an Xcode feature called ad-hoc signing! But it does require changing some settings first.

Switching to "Reduced Security" mode

If you've already placed your Mac in "Reduced Security" mode before, simply skip this section.

1. Shut down your Apple Silicon Mac.
2. Press and hold down the power button until the text under the Apple logo says "Loading startup options…", then let go.
3. Select "Options".
4. You are now in recoveryOS — enter your password if it asks.
5. Go to Utilities → Startup Security Utility.
6. Select "Reduced Security" and enable Allow user management of kernel extensions from identified developers".
7. Shut down your Apple Silicon Mac.

Disabling SIP (System Integrity Protection)

IMPORTANT: Disabling SIP in any capacity, even partially, will also disable Apple Pay, as well as any iOS-on-macOS apps you may have downloaded from the App Store. This is a strange (and annoying) decision that Apple has decided to make specifically on Apple Silicon, as Apple Pay actually works fine even when SIP is disabled on x86_64 (Intel) Macs.

1. Follow steps 2〜4 from above.
2. Go to Utilities → Terminal.
3. Type in the following to fully disable SIP: csrutil disable Note: It is possible to only partially disable the part of SIP that enforces kext signature verification (csrutil enable --without kext), but according to Apple, this is apparently an "unsupported configuration". Use it if you wish (as many do already), but please make sure to read and fully understand the warning that csrutil gives if you try.
4. Reboot your Apple Silicon Mac.

Compiling HoRNDIS for Apple Silicon (arm64e)

1. Download and install Xcode.
2. Run the following in a Terminal session. When it asks for your password, it is normal for no characters to show when when you type!

git clone --recursive https://github.com/jwise/HoRNDIS.git
cd Development/HoRNDIS/
xcodebuild -sdk macosx -configuration Release
sudo cp -rv build/Release/HoRNDIS.kext /Library/Extensions/

3. Go to System Preferences → Security & Privacy and approve the HoRNDIS kernel extension.
4. Reboot, connect an Android device in USB tethering mode, and enjoy using HoRNDIS again!

[kentcdodds]

Any chance someone could do this and upload the resulting HoRNDIS.kext file? Will that not work with the ad-hoc signing required?

[kentcdodds]

In any case, I followed these instructions and it worked for me. Thanks 👍

[imekachi]

@akemin-dayo Do I have to keep the "Reduced Security" mode on and SIP disabled? Or is it just for the installation and I can safely enable them back on later?

[akemin-dayo]

Any chance someone could do this and upload the resulting HoRNDIS.kext file? Will that not work with the ad-hoc signing required?

@kentcdodds While I can do that and provide a downloadable precompiled HoRNDIS.kext, I do not think it is good security hygiene to encourage users to download a compiled binary kernel extension from effectively, some random person who is not actually affiliated with the HoRNDIS project.

Compiling the project really only involves installing Xcode and then copy-pasting some Terminal commands, which should be easy enough (you don't even have to open the Xcode UI!)

@akemin-dayo Do I have to keep the "Reduced Security" mode on and SIP disabled? Or is it just for the installation and I can safely enable them back on later?

@imekachi "Reduced Security" must be kept enabled if you want to use any kernel extensions on Apple Silicon macOS at all. This includes a future, fully-signed HoRNDIS binary release by @jwise, if one ever comes. (As well as any other kernel extensions used by any software you may be using, popular examples of such include NoSleep, Soundflower, TunTap, Paragon NTFS, etc.)

SIP on the other hand, only needs to be kept disabled as long as you are using unsigned / ad-hoc signed kernel extensions, like the one that my instructions creates. This means that if a future, fully-signed HoRNDIS arrives, you can re-enable SIP and still retain kernel extension functionality (while also gaining back Apple Pay and iOS-on-macOS App Store FairPlay keys).

[chaealarm]

Same solution as previous issue "M1 Support?" https://github.com/jwise/HoRNDIS/issues/135#issuecomment-791469750

the kext built for arm64 : https://blog.kakaocdn.net/dn/nRMG3/btqZkqGNzgR/U1XLxka8DvDA5zgx4X1yY0/HoRNDIS.kext.zip?attach=1&knm=tfile.zip

As you said, the critical problem is 'Can't run iOS App Sideload', because SIP is disabled.

So, there are two solutions.

1. Sign the kext.

• To sign kext, kext singable Apple developer account needed.
• But, Apple won't grant to individual developer.(I've tried to ask it, but failed.)

2. DriverKit port.

• DriverKit can use some allowed VIDs.
• But RNDIS devices, VIDs and PIDs are various.
• So, hard to apply DriverKit.

[AlessandroChecco]

I'm glad to report that the latest version of HoRNDIS (9.2) works perfectly on Apple Silicon machines with no code changes required!

Basically, just compiling an additional arm64e (not arm64) binary slice to the HoRNDIS kext works! @jwise

Tested on macOS 12.0.1 21A559, "Monterey".

(I do realise that this isn't really an issue per se, but I just felt really bad for all the users complaining about broken functionality here…)

(Plus, speaking from my own personal experience as a fellow developer, I do find it quite helpful when someone else already tested compatibility for me ;P)

If you're a general user coming who just wants to use HoRNDIS on Apple Silicon right this instant…

Ever since macOS / OS X 10.10 Yosemite, Apple has required kernel extensions (kexts) to be signed by developers who are subscribed to the Apple Developer Program, who also have to apply for a special kext signing privilege.

You're… probably not one of those people. ;P

Luckily, there is a way for you to sign your own kexts using an Xcode feature called ad-hoc signing! But it does require changing some settings first.

Switching to "Reduced Security" mode

If you've already placed your Mac in "Reduced Security" mode before, simply skip this section.

1. Shut down your Apple Silicon Mac.
2. Press and hold down the power button until the text under the Apple logo says "Loading startup options…", then let go.
3. Select "Options".
4. You are now in recoveryOS — enter your password if it asks.
5. Go to Utilities → Startup Security Utility.
6. Select "Reduced Security" and enable Allow user management of kernel extensions from identified developers".
7. Shut down your Apple Silicon Mac.

Disabling SIP (System Integrity Protection)

IMPORTANT: Disabling SIP in any capacity, even partially, will also disable Apple Pay, as well as any iOS-on-macOS apps you may have downloaded from the App Store. This is a strange (and annoying) decision that Apple has decided to make specifically on Apple Silicon, as Apple Pay actually works fine even when SIP is disabled on x86_64 (Intel) Macs.

1. Follow steps 2〜4 from above.
2. Go to Utilities → Terminal.
3. Type in the following to fully disable SIP: csrutil disable Note: It is possible to only partially disable the part of SIP that enforces kext signature verification (csrutil enable --without kext), but according to Apple, this is apparently an "unsupported configuration". Use it if you wish (as many do already), but please make sure to read and fully understand the warning that csrutil gives if you try.
4. Reboot your Apple Silicon Mac.

Compiling HoRNDIS for Apple Silicon (arm64e)

1. Download and install Xcode.
2. Run the following in a Terminal session. When it asks for your password, it is normal for no characters to show when when you type!

git clone --recursive https://github.com/jwise/HoRNDIS.git
cd Development/HoRNDIS/
xcodebuild -sdk macosx -configuration Release
sudo cp -rv build/Release/HoRNDIS.kext /Library/Extensions/

3. Go to System Preferences → Security & Privacy and approve the HoRNDIS kernel extension.
4. Reboot, connect an Android device in USB tethering mode, and enjoy using HoRNDIS again!

I followed the steps using last version of monterey and xcode. Unfortunately I get kernel panic. Can you let us know which version of Xcode you used? Thanks!

[Fan-Xiaohua]

有用

[bs702]

Hey, I was able to follow the steps till getting a successful build in the terminal but I am not seeing any option in system preferences to approve the kernel extension.

Any idea how to proceed?

[akemin-dayo]

@bs702 Try running sudo kextload /Library/Extensions/HoRNDIS.kext to force the kext to load (which should trigger the authentication prompt to appear).

---

@AlessandroChecco I'm very sorry for the… literal 5-month-late reply — I somehow didn't see your message in my GitHub notifications. I suppose uh… better a late reply than no reply?

Anyway, I was using the latest version of Xcode available at the time of the writing of the original post (2021/11/24), which seems to indicate that it was probably Xcode 13.1.

That being said, it's strange you're getting a crash when compiling with a newer Xcode version. Does it still happen on the latest Xcode…? (I may try and reproduce this later whenever I have time.)

[bs702]

@akemin-dayo Thanks a lot for your help. but it still didn't work and I got the following error

Executing: /usr/bin/kmutil load -p /Library/Extensions/HoRNDIS.kext Error Domain=KMErrorDomain Code=29 "Authenticating extension failed: Kext com.joshuawise.kexts.HoRNDIS v9.2 in executable kext bundle com.joshuawise.kexts.HoRNDIS at /private/var/db/KernelExtensionManagement/Staging/com.joshuawise.kexts.HoRNDIS.ZoHTq5/HoRNDIS.kext:

Authenticating extension failed: Bad code signature" UserInfo={NSLocalizedDescription=Authenticating extension failed: Kext com.joshuawise.kexts.HoRNDIS v9.2 in executable kext bundle com.joshuawise.kexts.HoRNDIS at /private/var/db/KernelExtensionManagement/Staging/com.joshuawise.kexts.HoRNDIS.ZoHTq5/HoRNDIS.kext:

Authenticating extension failed: Bad code signature}

[akemin-dayo]

@bs702 Hmn, what's your csrutil status output? That error indicates to me that your system appears to still be enforcing valid kext signatures.

[codrutpopescu]

Works for me on macOS Monterey 12.4. no Rosetta installed, MacBook Pro M1, Xcode 13.4.1. I need HoRNDIS to connect to an ADALM-Pluto SDR device.

[olarroche]

Hello everybody

I successfully run the git command above, and then cd to the "HoRNDIS" directory created in my $HOME. But then the command "xcodebuild -sdk macosx -configuration Release" yields an error message :

xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance

However, I do have Xcode installed, version 13.4.1 on my M1 MacStudio under Monterey 12.6 ... Then I noticed the Makefile in the HoRNDIS directory, so I tried to run "make", after setting the environment variable HORNDIS_XCODE=/Applications/Xcode-13.4.1 . Then I got the following error :

Makefile:20: *** Cannot find xcodebuild under /Applications/Xcode-13.4.1. Please either download Xcode 7.3.1 from: "https://developer.apple.com/download" and install as /Applications/Xcode-7.3.1/ or point HORNDIS_XCODE to your preferred Xcode app path. Stop.

Then I opened the project file "HoRNDIS.xcodeproj", but the build failed, saying that it could not find the file machine/limits.h and the macosx10.11 sdk...

Any leads to proceed ? It would be nice to be able to use USB tethering since my WiFi connection is so low...

Thank you for your attention, Olivier

[happy-dev]

@akemin-dayo Thank you so much for this tutorial! Without you I was stuck

[MohanPeriyasamy071]

Is it possible to transfer internet from mac ventura to an android device through USB cable ?? Can someone please help

Thanks in advance

[akemin-dayo]

@MohanPeriyasamy071 This is unrelated to HoRNDIS (and by extension, this issue thread), but you can use gnirehtet ("tethering" spelled backwards) for macOS, Windows, and Linux to achieve your goal of reverse tethering to an Android device: https://github.com/Genymobile/gnirehtet

[MohanPeriyasamy071]

@MohanPeriyasamy071 This is unrelated to HoRNDIS (and by extension, this issue thread), but you can use gnirehtet ("tethering" spelled backwards) for macOS, Windows, and Linux to achieve your goal of reverse tethering to an Android device: https://github.com/Genymobile/gnirehtet

Thanks for your help @akemin-dayo , but even using gnirehtet, iam unable to use my mac's internet in my pixel device

[akemin-dayo]

@MohanPeriyasamy071

• Install gnirehtet via brew install gnirehtet (※ requires you to have Homebrew installed on macOS)
• Connect your Android device via USB
• Make sure you have ADB over USB enabled (Developer Options → USB Debugging)
• Run the following in a macOS Terminal session:

gnirehtet install
gnirehtet run

If you are still having issues, I advise you to open an issue for gnirehtet.

[ekawahyu]

@akemin-dayo I can confirm that your guide is working on my Apple M1 Pro machine, Monterey 12.6.2, Xcode 13.3. However, my device can only be recognized after load/unload the kext, every time. So the steps are:

1. Unplug my USB device.
2. Plug the USB device back in.
3. sudo kextunload /Library/Extensions/HoRNDIS.kext
4. sudo kextload /Library/Extensions/HoRNDIS.kext

Any tips on how to fix this non plug-and-play issue? Thank you

[justtryingthingsout]

@ekawahyu this is how I solved that issue:

1. make a plist at /Library/LaunchDaemons (e.g. /Library/LaunchDaemons/com.joshuawise.HoRNDIS-loader.plist)
2. put the following inside the plist:

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>KeepAlive</key>
        <false/>
        <key>Label</key>
        <string>com.joshuawise.HoRNDIS-loader</string>
        <key>ProgramArguments</key>
        <array>
                <string>/sbin/kextload</string>
                <string>/Library/Extensions/HoRNDIS.kext</string>
        </array>
        <key>RunAtLoad</key>
        <true/>
        <key>StandardErrorPath</key>
        <string>/dev/null</string>
        <key>StandardOutPath</key>
        <string>/dev/null</string>
        <key>UserName</key>
        <string>root</string>
</dict>
</plist>

3. run sudo launchctl load -w /Library/LaunchDaemons/com.joshuawise.HoRNDIS-loader.plist (or whatever your plist name is)
4. enter your password

you should now be able to plug and unplug (or reboot) how many times as you want without the kext just unloading.

[akemin-dayo]

@ekawahyu @justtryingthingsout

Hmn, that's… odd.

At least with HoRNDIS, it doesn't use any of the deprecated KPIs listed here as far as I can tell, so it should be able to automatically load whenever an Android device in USB tethering mode is connected.

The device IDs that the HoRNDIS kext is specifically looking for are defined in the IOKitPersonalities key inside Info.plist (※ also available locally on disk at /Library/Extensions/HoRNDIS.kext/Contents/Info.plist).

I can personally confirm that this behaviour works as intended, at least on my macOS 12.6.2 21G320 machine with my Android device, a Sony Xperia X Compact F5321 SO-02J running LineageOS.

[ekawahyu]

@justtryingthingsout Thanks for sending this, but it does not seem to work. When I issue launchctl list, I don't see it loaded there. How can I debug this thing?

@akemin-dayo I have also tested this steps on Intel Mac with Big Sur and it does recognize my device only once after system booting up or system reboot. Other than that, kextload/kextunload does not work.

[Cornul11]

Moreover, if you are using OpenCore or Clover (OpenCore is the way to go these days), you can simply extract the .kext or build from source yourself and add it to your kexts.

[bartolomeo902]

It worked for me in MacOS Ventura 13.4.1 with an Apple Silicon M1 Max! Just a note: when you clone from git it will save the repository to your user home folder. That means the command you will need to run can be easily fixed:

git clone --recursive https://github.com/jwise/HoRNDIS.git
cd ~/HoRNDIS/
xcodebuild -sdk macosx -configuration Release
sudo cp -rv build/Release/HoRNDIS.kext /Library/Extensions/

I will attach my Kext so that somwone may benefit from it without having Xcode installed (you will still need to disable SIP and enter Reduced Security mode) HoRNDIS.kext (2).zip

[david65536]

Just taking a moment to confirm that the top instructions work for Apple M2 (Mac Mini) Mac OS 13.4.1 (22F770820d), allowing connection to BeagleBone single board computer via ssh.

[elkSal]

Worked on MAC M1 Pro Sonoma: Followed these steps : https://github.com/jwise/HoRNDIS/issues/146#issue-1062238006 Used this updated command for installing on terminal: https://github.com/jwise/HoRNDIS/issues/146#issuecomment-1611221420 Thanks a lot to everybody!

[d235j]

Just taking a moment to confirm that the top instructions work for Apple M2 (Mac Mini) Mac OS 13.4.1 (22F770820d), allowing connection to BeagleBone single board computer via ssh.

Please note — you don't need this (and shouldn't install it) if your BeagleBone Linux image is reasonably up-to-date.