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refactor to support CIDR and legacy notation

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for WG_DEFAULT_ADDRESS
This commit is contained in:
Thomas Willems 2024-02-06 09:25:23 +01:00 • committed by pheiduck
parent 577af9947d
commit 89415a2258
6 changed files with 28 additions and 24 deletions
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26
src/config.js
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@ -4,6 +4,26 @@ const ip = require('ip');
const { release } = require('./package.json');
function parseDefaultAddress(defaultAddress) {
// Set the default full address with subnet if it's not provided
const defaultFullAddress = defaultAddress || '10.8.0.1/24';
// Check if the address ends with '.x', if so, replace with '.1/24'
const addressWithSubnet = defaultFullAddress.endsWith('.x')
? defaultFullAddress.replace('.x', '.1/24')
: defaultFullAddress;
const [ipAddress, subnetRange] = addressWithSubnet.split('/');
return {
ipAddress,
subnetRange: subnetRange || '24', // Default subnet range to 24 if not provided
};
}
// Use the function to parse the environment variable or default to '10.8.0.1/24'
const { ipAddress, subnetRange } = parseDefaultAddress(process.env.WG_DEFAULT_ADDRESS);
module.exports.RELEASE = release;
module.exports.PORT = process.env.PORT || 51821;
module.exports.WEBUI_HOST = process.env.WEBUI_HOST || '0.0.0.0';
@ -14,14 +34,14 @@ module.exports.WG_HOST = process.env.WG_HOST;
module.exports.WG_PORT = process.env.WG_PORT || 51820;
module.exports.WG_MTU = process.env.WG_MTU || null;
module.exports.WG_PERSISTENT_KEEPALIVE = process.env.WG_PERSISTENT_KEEPALIVE || 0;
module.exports.WG_DEFAULT_ADDRESS = process.env.WG_DEFAULT_ADDRESS || '10.8.0.x';
module.exports.WG_DEFAULT_ADDRESS_RANGE = process.env.WG_DEFAULT_ADDRESS_RANGE || 24;
module.exports.WG_DEFAULT_ADDRESS = ipAddress;
module.exports.WG_DEFAULT_ADDRESS_RANGE = subnetRange;
module.exports.WG_DEFAULT_DNS = typeof process.env.WG_DEFAULT_DNS === 'string'
? process.env.WG_DEFAULT_DNS
: '1.1.1.1';
module.exports.WG_ALLOWED_IPS = process.env.WG_ALLOWED_IPS || '0.0.0.0/0, ::/0';
module.exports.WG_SUBNET = ip.subnet(module.exports.WG_DEFAULT_ADDRESS.replace('x', '1'), `255.255.255.${256 - 2 ** (32 - module.exports.WG_DEFAULT_ADDRESS_RANGE)}`);
module.exports.WG_SUBNET = ip.subnet(module.exports.WG_DEFAULT_ADDRESS, `255.255.255.${256 - 2 ** (32 - module.exports.WG_DEFAULT_ADDRESS_RANGE)}`);
module.exports.WG_SERVER_ADDRESS = module.exports.WG_SUBNET.firstAddress;
module.exports.WG_CLIENT_FIRST_ADDRESS = ip.toLong(module.exports.WG_SERVER_ADDRESS) + 1;
module.exports.WG_CLIENT_LAST_ADDRESS = ip.toLong(module.exports.WG_SUBNET.lastAddress) - 1; // Exclude the broadcast address