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expose server interface PreUp and PreDown to environment variable

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This commit is contained in:
crazyracer98 2022-01-29 00:46:21 +01:00
parent bbd19b7a6f
commit 557e13a953
4 changed files with 15 additions and 3 deletions
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6
README.md
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@ -88,8 +88,10 @@ These options can be configured by setting environment variables using `-e KEY="
| `WG_DEFAULT_ADDRESS` | `10.8.0.x` | `10.6.0.x` | Clients IP address range. |
| `WG_DEFAULT_DNS` | `1.1.1.1` | `8.8.8.8, 8.8.4.4` | DNS server clients will use. |
| `WG_ALLOWED_IPS` | `0.0.0.0/0, ::/0` | `192.168.15.0/24, 10.0.1.0/24` | Allowed IPs clients will use. |
| `WG_POST_UP` | `...` | `iptables ...` | See [config.js](https://github.com/WeeJeWel/wg-easy/blob/master/src/config.js#L19) for the default value. |
| `WG_POST_DOWN` | `...` | `iptables ...` | See [config.js](https://github.com/WeeJeWel/wg-easy/blob/master/src/config.js#L26) for the default value. |
| `WG_PRE_UP` | `...` | - | See [config.js](https://github.com/WeeJeWel/wg-easy/blob/master/src/config.js#L19) for the default value. |
| `WG_POST_UP` | `...` | `iptables ...` | See [config.js](https://github.com/WeeJeWel/wg-easy/blob/master/src/config.js#L20) for the default value. |
| `WG_PRE_DOWN` | `...` | - | See [config.js](https://github.com/WeeJeWel/wg-easy/blob/master/src/config.js#L27) for the default value. |
| `WG_POST_DOWN` | `...` | `iptables ...` | See [config.js](https://github.com/WeeJeWel/wg-easy/blob/master/src/config.js#L28) for the default value. |
> If you change `WG_PORT`, make sure to also change the exposed port.

6
docker-compose.yml
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@ -4,7 +4,7 @@ services:
environment:
# ⚠️ Required:
# Change this to your host's public address
- WG_HOST=raspberrypi.local
- WG_HOST=192.168.178.46
# Optional:
# - PASSWORD=foobar123
@ -13,6 +13,10 @@ services:
# - WG_DEFAULT_DNS=1.1.1.1
# - WG_MTU=1420
# - WG_ALLOWED_IPS=192.168.15.0/24, 10.0.1.0/24
# - WG_PRE_UP=echo "Pre Up" > /etc/wireguard/pre-up.txt
# - WG_POST_UP=echo "Post Up" > /etc/wireguard/post-up.txt
# - WG_PRE_DOWN=echo "Pre Down" > /etc/wireguard/pre-down.txt
# - WG_POST_DOWN=echo "Post Down" > /etc/wireguard/post-down.txt
image: weejewel/wg-easy
container_name: wg-easy

2
src/config.js
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@ -16,6 +16,7 @@ module.exports.WG_DEFAULT_DNS = typeof process.env.WG_DEFAULT_DNS === 'string'
: '1.1.1.1';
module.exports.WG_ALLOWED_IPS = process.env.WG_ALLOWED_IPS || '0.0.0.0/0, ::/0';
module.exports.WG_PRE_UP = process.env.WG_PRE_UP || '';
module.exports.WG_POST_UP = process.env.WG_POST_UP || `
iptables -t nat -A POSTROUTING -s ${module.exports.WG_DEFAULT_ADDRESS.replace('x', '0')}/24 -o eth0 -j MASQUERADE;
iptables -A INPUT -p udp -m udp --dport 51820 -j ACCEPT;
@ -23,4 +24,5 @@ iptables -A FORWARD -i wg0 -j ACCEPT;
iptables -A FORWARD -o wg0 -j ACCEPT;
`.split('\n').join(' ');
module.exports.WG_PRE_DOWN = process.env.WG_PRE_DOWN || '';
module.exports.WG_POST_DOWN = process.env.WG_POST_DOWN || '';

4
src/lib/WireGuard.js
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@ -19,7 +19,9 @@ const {
WG_DEFAULT_ADDRESS,
WG_PERSISTENT_KEEPALIVE,
WG_ALLOWED_IPS,
WG_PRE_UP,
WG_POST_UP,
WG_PRE_DOWN,
WG_POST_DOWN,
} = require('../config');
@ -94,7 +96,9 @@ module.exports = class WireGuard {
PrivateKey = ${config.server.privateKey}
Address = ${config.server.address}/24
ListenPort = 51820
PreUp = ${WG_PRE_UP}
PostUp = ${WG_POST_UP}
PreDown = ${WG_PRE_DOWN}
PostDown = ${WG_POST_DOWN}
`;