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AlexGustafsson
143 Stars 19 Forks 163 Commits 7 Opened issues

Description

A Wake on Lan plugin for Homebridge

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Quick Start | Contribute

A Wake on Lan plugin for Homebridge

Turn your PCs, laptops, servers and more on and off through Siri

Quick Start

To install the plugin, head over to the machine with Homebridge set up and run the following command:

npm install -g homebridge-wol

Add your devices to your

config.json
:
json
"accessories": [
  {
    "accessory": "NetworkDevice",
    "name": "My MacBook",
    "host": "192.168.1.51",
    "mac": "aa:bb:cc:dd:ee:ff"
  }
]

Table of contents

Quickstart
Configuration
Lifecycle
Notes and FAQ
Contributing

Configuration

To make Homebridge aware of the new plugin, you will have to add it to your configuration usually found in

/root/.homebridge/config.json
or
/home/username/.homebridge/config.json
. If the file does not exist, you can create it following the config sample. Somewhere inside that file you should see a key named
accessories
. This is where you can add your computer as shown here:
"accessories": [
    {
      "accessory": "NetworkDevice",
      "name": "My Macbook",
      "mac": "",
      "host": "macbook.local",
      "pingCommand": "ssh macbook.local 'if [[ $(pmset -g powerstate IODisplayWrangler | tail -1 | cut -c29) -lt 4 ]]; then; exit 1; else; echo 1; fi;'",
      "pingInterval": 45,
      "wakeGraceTime": 10,
      "wakeCommand": "ssh macbook.local caffeinate -u -t 300",
      "shutdownGraceTime": 15,
      "shutdownCommand": "ssh macbook.local sudo shutdown -h now"
    },
    {
      "accessory": "NetworkDevice",
      "name": "My Windows Gaming Rig",
      "mac": "",
      "host": "192.168.1.151",
      "shutdownCommand": "net rpc shutdown --ipaddress 192.168.1.151 --user username%password"
    },
    {
      "accessory": "NetworkDevice",
      "name": "Raspberry Pi",
      "mac": "",
      "host": "192.168.1.251",
      "pingInterval": 45,
      "wakeGraceTime": 90,
      "shutdownGraceTime": 15,
      "shutdownCommand": "sshpass -p 'raspberry' ssh -oStrictHostKeyChecking=no [email protected] sudo shutdown -h now"
    },
    {
      "accessory": "NetworkDevice",
      "name": "My NAS",
      "host": "192.168.1.148",
      "log": false,
      "broadcastAddress": "172.16.1.255"
    }
]

For more configuration examples, please see the wiki which contains a growing collection of user-contributed guides on how to setup the plugin, Windows 10, Samba, Linux etc.: https://github.com/AlexGustafsson/homebridge-wol/wiki.

Required configuration

| Key | Description | | --- | ------------| | accessory | The type of accessory - has to be "NetworkDevice" |

Optional configuration

Accessory information

| Key | Description | | --- | ------------| | name | The name of the device - used in HomeKit apps as well as Siri, default

My NetworkDevice
| | manufacturer | The manufacturer of the accessory. Defaults to "homebridge-wol" | | model | The model name of the accessory. Defaults to "NetworkDevice" | | serialNumber | A unique id for the accessory. Defaults to a random id which is reset each time the server restarts. See https://github.com/AlexGustafsson/homebridge-wol/issues/117 for more information |

Pinging

| Key | Description | | --- | ------------| | host | The IP address or hostname to ping in order to receive current status | | pingInterval | Ping interval in seconds, only used if

host
is set, default
2
. Same as that for pinging with a command | | pingsToChange | The number of pings necessary to trigger a state change, only used if
host
is set, default
5
| | pingTimeout | Number of seconds to wait for pinging to finish, default
1
|

Pinging using a command

| Key | Description | | --- | ------------| | pingCommand | Command to run in order to know if a host is up or not. If the command exits successfully (zero as the exit code) the host is considered up. If an error is thrown or the command exits with a non-zero exit code, the host is considered down | | pingCommandTimeout | Timeout for the ping command in seconds. Use 0 (default) to disable the timeout | | pingInterval | Ping interval in seconds, only used if

host
is set, default
2
. Same as that for pinging |

Note: these settings render those mentioned in the above section useless.

Turning on

| Key | Description | | --- | ------------| | mac | The device's MAC address - used to send Magic Packets. Allows any format such as

XX:XX:XX:XX:XX:XX
or
XXXXXXXXXXXX
| | broadcastAddress | The broadcast address to use when sending the Wake on LAN packet | | startCommand | Command to run in order to start the machine | | startCommandTimeout | Timeout for the start command in seconds. Use 0 (default) to disable the timeout | | wakeGraceTime | Number of seconds to wait after startup before checking online status and issuing the
wakeCommand
, default
45
| | wakeCommand | Command to run after initial startup, useful for macOS users in need of running
caffeinate
| | wakeCommandTimeout | Timeout for the wake command in seconds. Use 0 (default) to disable the timeout |

Turning off

| Key | Description | | --- | ------------| | shutdownCommand | Command to run in order to shut down the remote machine | | shutdownGraceTime | Number of seconds to wait after shutdown before checking offline status, default

15
| | shutdownCommandTimeout | Timeout for the shutdown command in seconds. Use 0 (default) to disable the timeout |

Logging

| Key | Description | | --- | ------------| | logLevel | The syslog log level to use such as

Debug
,
Info
,
Error
. The default is
Info
. Use
None
to disable logging |

Miscellaneous

| Key | Description | | --- | ------------| | returnEarly | Whether or not to let the plugin return early to mitigate Siri issue (see https://github.com/AlexGustafsson/homebridge-wol/issues/85). Defaults to

false
|

Lifecycle

Whenever Homebridge starts, the plugin will check the state of all configured devices. This is done by pinging or executing the

pingCommand
once, depending on the configuration. If the pinging or
pingCommand
executes successfully, the device is considered online and vice versa.

The pinging by actual pings or use of the

pingCommand
will continue in the background, monitoring the state of the device. If
pingsToChange
(defaults to 5) pings have the same result and that result is not the current state, the state of the device will be considered changed. If
pingCommand
is configured, it is used instead of actual pings and will result in an immediate state change.

This pinging will result in state changes between online and offline.

Whenever you flick a switch to its on position via HomeKit, the device is marked as "turning on". Then a WoL packet is sent to the device if a MAC address is configured and if a

startCommand
is configured, it is also executed immediately. After the device has been started, it is marked as online. Then the plugin will wait for the time configured by
wakeGraceTime
(defaults to 45s). If a
wakeCommand
is configured, it will be called after the wait is over. Once all commands are completed, the device will be monitored again by the pinger - switching its state automatically.

Whenever you flick a switch to its off position via HomeKit, the device is immediately marked as turning off. A shutdown command is executed if it is configured. After the command's completion (or directly if none is configured), the plugin will wait for

shutdownGraceTime
(defaults to 15s) before continuing to monitor the device using the configured pinging method.

Notes and FAQ

Permissions

This plugin requires extra permissions due to the use of pinging and magic packages. Start Homebridge using

sudo homebridge
or change capabilities accordingly (
setcap cap_net_raw=pe /path/to/bin/node
). Systemd users can add the following lines to the
[Service]
section of Homebridge's unit file (or create a drop-in if unit is packaged by your distro) to achieve this in a more secure way like so:
CapabilityBoundingSet=CAP_NET_RAW
AmbientCapabilities=CAP_NET_RAW

Waking an Apple computer

The Macbook configuration example uses

caffeinate
in order to keep the computer alive after the initial wake-up. See this issue for more information.

Controlling a Windows PC

The Windows configuration example requires the

samba-common
package to be installed on the server. If you're on Windows 10 and you're signing in with a Microsoft account, the command should use your local username instead of your Microsoft ID (e-mail). Also note that you may or may not need to run
net rpc
with
sudo
.

SSH as wake or shutdown command

The Raspberry Pi example uses the

sshpass
package to sign in on the remote host. The
-oStrictHostKeyChecking=no
parameter permits any key that the host may present. This usage is heavily discouraged. You should be using SSH keys to authenticate yourself.

Secrets in the configuration

Using username and passwords in a command is heavily discouraged as this stores them in the configuration file in plaintext. Use other authentication methods or environment variables instead.

Contribute

Any contribution is welcome. If you're not able to code it yourself, perhaps someone else is - so post an issue if there's anything on your mind.

If you're new to the open source community, JavaScript, GitHub or just uncertain where to begin - issues labeled "good first issue" are a great place to start. Just comment on an issue you'd like to investigate and you'll get guidance along the way.

Contributors

This repository has evolved thanks to you. Issues reporting bugs, missing features or quirks are always a welcome method to help grow this project.

Beyond all helpful issues and wiki posts, this repository has seen modifications from these helpful contributors:

|
@AlexGustafsson

Author |
@cr3ative

Previous collaborator |
@blubber

Previous collaborator | | :---: | :---: | :---: | |
@lnxbil

Contributor |
@residentsummer

Contributor |
@JulianRecke

Contributor | |
@tanmaster

Contributor |
@HenrySeed

Logo designer |
@conao3

Contributor |

Development

# Clone project
git clone https://github.com/AlexGustafsson/homebridge-wol.git && cd homebridge-wol

Install dependencies

npm install

Build the project

npm run build

Link it (if running homebridge locally)

npm link

Make sure linting passes

npm run lint

Try to start Homebridge with the Homebridge Config UI X locally - available on localhost:8080

with default credentials admin:admin

npm run test

Run Homebridge, Homebridge Config UI X and Homebridge WoL on the current maintainance node LTS version

docker-compose -f integration/docker-compose.yml up --force-recreate

If you make changes to the code base, you may have to rebuild the containers before running the above command

docker-compose -f integration/docker-compose.yml build

The things to look out for when running the dockerized environment is:

  1. Is the configuration UI working correctly? That is, is the
    config.schema.json
    up to date?
  2. Can you interact with the accessories as expected? See the logs for full insights.

The accessory

MacBook Pro
is fully hooked up to simulate a real world MacBook, with proper shutdown over SSH as well as a custom ping command.

The

Generic
accessory features regular pinging using ICMP messages over IPv4.

The

Localhost
accessory represents the same instance as that running the Homebridge server. It features only mock configuration. It does feature the full range of configurations available, which should help debugging the configuration UI.

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