AmneziaWG 2.0 (#2226)

* feat!: awg

* feat: add description to fields, add I5

* fix: awg i18n

* fix: types

* minor fixes

* Remove TODO comment from types.ts

Removed TODO comment for more validation.

---------

Co-authored-by: Bernd Storath <999999bst@gmail.com>

src/server/utils/wgHelper.ts

@@ -9,17 +9,7 @@ type Options = {
   enableIpv6?: boolean;
 };
 
-let wgExecutable: 'awg' | 'wg' = 'wg';
-
-if (WG_ENV.EXPERIMENTAL_AWG) {
-  if (WG_ENV.OVERRIDE_AUTO_AWG !== undefined) {
-    wgExecutable = WG_ENV.OVERRIDE_AUTO_AWG;
-  } else {
-    wgExecutable = await exec('modinfo amneziawg')
-      .then(() => 'awg' as const)
-      .catch(() => 'wg' as const);
-  }
-}
+const wgExecutable = WG_ENV.WG_EXECUTABLE;
 
 export const wg = {
   generateServerPeer: (
@@ -62,6 +52,35 @@ AllowedIPs = ${allowedIps.join(', ')}${extraLines.length ? `\n${extraLines.join(
       `${ipv4Addr}/${cidr4.prefix}` +
       (enableIpv6 ? `, ${ipv6Addr}/${cidr6.prefix}` : '');
 
+    let awgLines: string[] = [];
+
+    if (wgExecutable === 'awg') {
+      const parameters = {
+        Jc: wgInterface.jC,
+        Jmin: wgInterface.jMin,
+        Jmax: wgInterface.jMax,
+        S1: wgInterface.s1,
+        S2: wgInterface.s2,
+        S3: wgInterface.s3,
+        S4: wgInterface.s4,
+        i1: wgInterface.i1,
+        i2: wgInterface.i2,
+        i3: wgInterface.i3,
+        i4: wgInterface.i4,
+        i5: wgInterface.i5,
+        H1: wgInterface.h1,
+        H2: wgInterface.h2,
+        H3: wgInterface.h3,
+        H4: wgInterface.h4,
+      } as const;
+
+      awgLines = Object.entries(parameters)
+        .filter(([_, value]) => !!value)
+        .map(([key, value]) => `${key} = ${value}`);
+    }
+
+    const extraLines = [...awgLines].filter((v) => v !== null);
+
     return `# Note: Do not edit this file directly.
 # Your changes will be overwritten!
 
@@ -71,6 +90,7 @@ PrivateKey = ${wgInterface.privateKey}
 Address = ${address}
 ListenPort = ${wgInterface.port}
 MTU = ${wgInterface.mtu}
+${extraLines.length ? `${extraLines.join('\n')}\n` : ''}
 PreUp = ${iptablesTemplate(hooks.preUp, wgInterface)}
 PostUp = ${iptablesTemplate(hooks.postUp, wgInterface)}
 PreDown = ${iptablesTemplate(hooks.preDown, wgInterface)}
@@ -100,7 +120,36 @@ PostDown = ${iptablesTemplate(hooks.postDown, wgInterface)}`;
     const dnsLine =
       dnsServers.length > 0 ? `DNS = ${dnsServers.join(', ')}` : null;
 
-    const extraLines = [dnsLine, ...hookLines].filter((v) => v !== null);
+    let awgLines: string[] = [];
+
+    if (wgExecutable === 'awg') {
+      const parameters = {
+        Jc: client.jC,
+        Jmin: client.jMin,
+        Jmax: client.jMax,
+        S1: wgInterface.s1,
+        S2: wgInterface.s2,
+        S3: wgInterface.s3,
+        S4: wgInterface.s4,
+        i1: client.i1,
+        i2: client.i2,
+        i3: client.i3,
+        i4: client.i4,
+        i5: client.i5,
+        H1: wgInterface.h1,
+        H2: wgInterface.h2,
+        H3: wgInterface.h3,
+        H4: wgInterface.h4,
+      } as const;
+
+      awgLines = Object.entries(parameters)
+        .filter(([_, value]) => !!value)
+        .map(([key, value]) => `${key} = ${value}`);
+    }
+
+    const extraLines = [dnsLine, ...hookLines, ...awgLines].filter(
+      (v) => v !== null
+    );
 
     return `[Interface]
 PrivateKey = ${client.privateKey}