Add public IP field and Network interface to host form

db/schema.ts

@@ -222,6 +222,10 @@ const schema: BUN_SQLITE_DatabaseSchemaType = {
                     fieldName: "public_ip_address",
                     dataType: "TEXT",
                 },
+                {
+                    fieldName: "interface",
+                    dataType: "TEXT",
+                },
                 {
                     fieldName: "wg_ip_address",
                     dataType: "TEXT",

db/types/db.ts

@@ -132,6 +132,7 @@ export type BUN_SQLITE_WGUI_HOSTS = {
     updated_at?: number | "";
     user_id?: number | "";
     public_ip_address?: string;
+    interface?: string;
     wg_ip_address?: string;
     public_key?: string;
 }
@@ -171,7 +172,7 @@ export type BUN_SQLITE_WGUI_VARIABLES = {
      * The time when the record was updated. (Unix Timestamp)
      */
     updated_at?: number | "";
-    key?: "main_host_wg_ip_address" | "main_host_public_ip_address" | "main_host_wg_public_key" | "main_host_wg_private_key" | "";
+    key?: "main_host_wg_ip_address" | "main_host_public_ip_address" | "main_host_wg_public_key" | "main_host_wg_private_key" | "main_host_public_interface" | "";
     value?: string;
 }
 

src/components/general/host-wg-ip-field.tsx

@@ -98,6 +98,8 @@ export default function HostWgIpField({
                             WireGuard IP Address
                         </Span>
                     }
+                    title="Wireguard IP Address"
+                    showLabel
                     componentRef={inputRef}
                     autoFocus={autoFocus}
                 />

src/dict/variables-dict.ts

@@ -19,4 +19,9 @@ export const Variables = [
         value: "main_host_wg_private_key",
         description: `Private Key for the main host`,
     },
+    {
+        title: `Main Host Public Interface`,
+        value: "main_host_public_interface",
+        description: `Network interface for the main host (e.g. eth0, wlan0)`,
+    },
 ] as const;

src/functions/backend/setup/create-wireguard-host.ts

@@ -1,4 +1,4 @@
-import type { BUN_SQLITE_WGUI_HOSTS } from "@/db/types/db";
+import type { BUN_SQLITE_WGUI_HOSTS, BUN_SQLITE_WGUI_VARIABLES } from "@/db/types/db";
 import BunSQLite from "@moduletrace/bun-sqlite";
 import type { APIResponseObject } from "@moduletrace/bunext/types";
 import type { TableType, User } from "@/src/types";
@@ -7,6 +7,8 @@ import grabHostPublicIPAddress from "./grab-host-public-ip-address";
 
 type Params = {
     wg_ip_address?: string | null;
+    public_ip_address?: string | null;
+    interface?: string | null;
     user: User;
 };
 
@@ -20,6 +22,8 @@ type Params = {
  */
 export default async function createWireguardHost({
     wg_ip_address,
+    public_ip_address,
+    interface: iface,
     user,
 }: Params): Promise<APIResponseObject> {
     const wg_ip = (wg_ip_address || "").trim();
@@ -31,7 +35,9 @@ export default async function createWireguardHost({
         };
     }
 
-    const public_ip_address = await grabHostPublicIPAddress();
+    const detected_public_ip = await grabHostPublicIPAddress();
+    const final_public_ip = public_ip_address?.trim() || detected_public_ip;
+    const final_interface = iface?.trim() || undefined;
 
     try {
         const insert_host = await BunSQLite.insert<
@@ -43,7 +49,8 @@ export default async function createWireguardHost({
                 {
                     user_id: user.id,
                     wg_ip_address: wg_ip,
-                    public_ip_address: public_ip_address || undefined,
+                    public_ip_address: final_public_ip || undefined,
+                    interface: final_interface,
                 },
             ],
         });
@@ -61,9 +68,26 @@ export default async function createWireguardHost({
             id: host_id,
             user_id: user.id,
             wg_ip_address: wg_ip,
-            public_ip_address: public_ip_address || undefined,
+            public_ip_address: final_public_ip || undefined,
+            interface: final_interface,
         };
 
+        if (host_id === 0 && final_interface) {
+            await BunSQLite.insert<
+                BUN_SQLITE_WGUI_VARIABLES,
+                TableType
+            >({
+                table: "variables",
+                data: [
+                    {
+                        key: "main_host_public_interface",
+                        value: final_interface,
+                    },
+                ],
+                update_on_duplicate: true,
+            });
+        }
+
         const setup_res = await setupWireguardHost({
             host,
             wg_subnet_ip: wg_ip,
@@ -93,4 +117,4 @@ export default async function createWireguardHost({
             msg: error.message,
         };
     }
-}
+}

src/functions/backend/setup/grab-host-network-interfaces.ts

@@ -0,0 +1,85 @@
+import { execSync } from "node:child_process";
+import os from "node:os";
+
+const VIRTUAL_INTERFACE_PATTERNS = [
+    /^wg\d+$/,
+    /^docker\d*$/,
+    /^br\d*$/,
+    /^veth.*/,
+    /^tun.*/,
+    /^tap.*/,
+    /^vlan.*/,
+    /^bond\d*$/,
+    /^macvlan.*/,
+    /^ipvlan.*/,
+    /^wgui\d+$/,
+    /^virbr\d*$/,
+    /^vboxnet\d*$/,
+    /^vmnet\d*$/,
+];
+
+function isVirtualInterface(name: string): boolean {
+    return VIRTUAL_INTERFACE_PATTERNS.some((pattern) =>
+        pattern.test(name),
+    );
+}
+
+function isPhysicalInterface(name: string): boolean {
+    try {
+        const devicePath = `/sys/class/net/${name}/device`;
+        const result = execSync(`test -e ${devicePath} && echo yes || echo no`, {
+            encoding: "utf-8",
+        }).trim();
+        return result === "yes";
+    } catch {
+        return true;
+    }
+}
+
+/**
+ * Function to grab all available physical network interfaces on the machine
+ * @returns Array of interface names (e.g. ["enp2s0", "wlan0"])
+ */
+export default async function grabHostNetworkInterfaces(): Promise<string[]> {
+    try {
+        const interfaces = os.networkInterfaces();
+        const names: string[] = [];
+
+        for (const [name, addrs] of Object.entries(interfaces)) {
+            if (!addrs) continue;
+            if (name === "lo") continue;
+            if (isVirtualInterface(name)) continue;
+            for (const addr of addrs) {
+                if (addr.family === "IPv4" && !addr.internal) {
+                    if (isPhysicalInterface(name)) {
+                        names.push(name);
+                    }
+                    break;
+                }
+            }
+        }
+
+        if (names.length > 0) {
+            return names.sort();
+        }
+    } catch (error) {}
+
+    try {
+        const route = execSync(`ip -4 addr show`, { encoding: "utf-8" })
+            .trim()
+            .split(/\n/);
+        const names: string[] = [];
+        for (const line of route) {
+            const match = line.match(/^\d+:\s+(\S+):/);
+            if (match && match[1] && match[1] !== "lo") {
+                const iface = match[1];
+                if (!isVirtualInterface(iface) && isPhysicalInterface(iface)) {
+                    names.push(iface);
+                }
+            }
+        }
+        if (names.length > 0) return names.sort();
+    } catch (error) {}
+
+    return [`eth0`];
+}

src/functions/backend/setup/setup-wireguard-host.ts

@@ -100,7 +100,7 @@ export default async function setupWireguardHost({
         rules_by_client_id.set(rule.client_id, existing_rules);
     }
 
-    const TARGET_INTERFACE = await grabHostNetworkInterface();
+    const TARGET_INTERFACE = host?.interface || await grabHostNetworkInterface();
     const HOST_WG_IP =
         host?.wg_ip_address ||
         variables?.find((v) => v.key == "main_host_wg_ip_address")?.value ||
@@ -158,21 +158,29 @@ export default async function setupWireguardHost({
         }).trim();
 
         if (HOST_ID == 0 && !is_update_after_client_setup) {
+            const variables_data: Array<{ key: string; value: string }> = [
+                {
+                    key: "main_host_wg_ip_address",
+                    value: HOST_WG_IP,
+                },
+                {
+                    key: "main_host_wg_public_key",
+                    value: HOST_PUBLIC_KEY,
+                },
+            ];
+            if (host?.interface) {
+                variables_data.push({
+                    key: "main_host_public_interface",
+                    value: host.interface,
+                });
+            }
+
             const update_variables = await BunSQLite.insert<
                 BUN_SQLITE_WGUI_VARIABLES,
                 TableType
             >({
                 table: "variables",
-                data: [
-                    {
-                        key: "main_host_wg_ip_address",
-                        value: HOST_WG_IP,
-                    },
-                    {
-                        key: "main_host_wg_public_key",
-                        value: HOST_PUBLIC_KEY,
-                    },
-                ],
+                data: variables_data as BUN_SQLITE_WGUI_VARIABLES[],
                 update_on_duplicate: true,
             });
 

src/functions/backend/setup/sync-wireguard-hosts.ts

@@ -43,6 +43,10 @@ export default async function syncWireguardHosts() {
             (v) => v.key == "main_host_public_ip_address",
         )?.value;
 
+        const main_host_interface = variables.payload?.find(
+            (v) => v.key == "main_host_public_interface",
+        )?.value;
+
         if (!main_host_ip) {
             throw new Error(`Main Host not set yet`);
         }
@@ -52,6 +56,7 @@ export default async function syncWireguardHosts() {
                 id: 0,
                 public_ip_address: main_host_public_ip,
                 wg_ip_address: main_host_ip,
+                interface: main_host_interface,
             },
             ...(hosts.payload || []),
         ];

src/hooks/use-form-init.ts

@@ -1,6 +1,13 @@
 import type { BUN_SQLITE_WGUI_ALL_TYPEDEFS } from "@/db/types/db";
 import useStatus from "@/src/components/twui/hooks/useStatus";
-import { useCallback, useContext, useEffect, useState } from "react";
+import {
+    useCallback,
+    useContext,
+    useEffect,
+    useState,
+    type Dispatch,
+    type SetStateAction,
+} from "react";
 import { AppContext } from "../pages/__root";
 import type { ImageInputToBase64FunctionReturn } from "../components/twui/utils/form/imageInputToBase64";
 import EJSON from "../utils/ejson";
@@ -32,6 +39,14 @@ type Params<T extends {} = BUN_SQLITE_WGUI_ALL_TYPEDEFS> = {
      * Is this the first user?
      */
     is_first_user?: boolean;
+    /**
+     * Function to run before the `setReady`
+     * dispatch is fired
+     */
+    before_ready_function?: (params: {
+        form: T;
+        setForm: Dispatch<SetStateAction<T>>;
+    }) => Promise<void>;
 };
 
 export default function useFormInit<
@@ -94,7 +109,22 @@ export default function useFormInit<
                 }
             } catch (error) {
             } finally {
-                setReady(true);
+                if (params?.before_ready_function) {
+                    params
+                        .before_ready_function({ form, setForm })
+                        .then(() => {})
+                        .catch((e2) => {
+                            console.log(
+                                `Before ready function error:`,
+                                e2.message,
+                            );
+                        })
+                        .finally(() => {
+                            setReady(true);
+                        });
+                } else {
+                    setReady(true);
+                }
             }
         }
     }, []);

src/pages/admin/hosts/add/(functions)/submit-add-host-form.ts

@@ -22,6 +22,8 @@ export default async function submitAddHostForm({
                 method: "POST",
                 body: {
                     wg_ip_address: form.wg_ip_address || "",
+                    public_ip_address: form.public_ip_address || "",
+                    interface: form.interface || "",
                 },
             },
         );

src/pages/admin/hosts/add/(partials)/add-host-form/add-host-form-interface.tsx

@@ -0,0 +1,49 @@
+import type { BUN_SQLITE_WGUI_HOSTS } from "@/db/types/db";
+import Select from "@/src/components/twui/form/Select";
+import Stack from "@/src/components/twui/layout/Stack";
+import useFormInit from "@/src/hooks/use-form-init";
+import { useEffect, useState } from "react";
+import fetchApi from "@/src/components/twui/utils/fetch/fetchApi";
+import type { ApiReqParams } from "@/src/types";
+import type { APIResponseObject } from "@moduletrace/bunext/types";
+
+type Props = ReturnType<typeof useFormInit<BUN_SQLITE_WGUI_HOSTS>>;
+
+export default function AddHostFormInterface({ form, setForm }: Props) {
+    const [interfaces, setInterfaces] = useState<string[]>([]);
+
+    useEffect(() => {
+        fetchApi<ApiReqParams, APIResponseObject>(
+            "/api/admin/network-interfaces",
+            { method: "GET" },
+        ).then((res) => {
+            if (res.success && res.stringRes) {
+                try {
+                    const parsed = JSON.parse(res.stringRes) as string[];
+                    setInterfaces(parsed);
+                } catch {}
+            }
+        });
+    }, []);
+
+    return (
+        <Stack className="w-full gap-2 items-stretch">
+            <Select
+                name="interface"
+                label="Network Interface"
+                showLabel
+                options={interfaces.map((iface) => ({
+                    value: iface,
+                    title: iface,
+                    default: iface === form.interface,
+                }))}
+                changeHandler={(v) => {
+                    setForm((prev) => ({
+                        ...prev,
+                        interface: v,
+                    }));
+                }}
+            />
+        </Stack>
+    );
+}

src/pages/admin/hosts/add/(partials)/add-host-form/add-host-form-public-ip.tsx

@@ -0,0 +1,44 @@
+import type { BUN_SQLITE_WGUI_HOSTS } from "@/db/types/db";
+import Input from "@/src/components/twui/form/Input";
+import Stack from "@/src/components/twui/layout/Stack";
+import useFormInit from "@/src/hooks/use-form-init";
+import { useEffect } from "react";
+import fetchApi from "@/src/components/twui/utils/fetch/fetchApi";
+import type { ApiReqParams } from "@/src/types";
+import type { APIResponseObject } from "@moduletrace/bunext/types";
+
+type Props = ReturnType<typeof useFormInit<BUN_SQLITE_WGUI_HOSTS>>;
+
+export default function AddHostFormPublicIP({ form, setForm }: Props) {
+    useEffect(() => {
+        fetchApi<ApiReqParams, APIResponseObject>(
+            "/api/admin/public-ip",
+            { method: "GET" },
+        ).then((res) => {
+            if (res.success && res.stringRes) {
+                setForm((prev) => ({
+                    ...prev,
+                    public_ip_address: res.stringRes!,
+                }));
+            }
+        });
+    }, []);
+
+    return (
+        <Stack className="w-full gap-2">
+            <Input
+                name="public_ip_address"
+                label="Public IP Address"
+                showLabel
+                placeholder="e.g. 203.0.113.10"
+                value={form.public_ip_address || ""}
+                changeHandler={(v) => {
+                    setForm((prev) => ({
+                        ...prev,
+                        public_ip_address: v,
+                    }));
+                }}
+            />
+        </Stack>
+    );
+}

src/pages/admin/hosts/add/(partials)/add-host-form/add-host-form.tsx

@@ -10,6 +10,8 @@ import submitAddHostForm from "../../(functions)/submit-add-host-form";
 import AddHostFormAction from "./add-host-form-action";
 import AddHostFormSubnet from "./add-host-form-subnet";
 import AddHostFormWgIpAddress from "./add-host-form-wg-ip-address";
+import AddHostFormPublicIP from "./add-host-form-public-ip";
+import AddHostFormInterface from "./add-host-form-interface";
 import LoadingRectangleBlock from "@/src/components/twui/layout/LoadingRectangleBlock";
 import type { HostWgIpFieldStatus } from "@/src/components/general/host-wg-ip-field";
 
@@ -35,8 +37,10 @@ export default function AddHostForm() {
             {status?.error && <Tag color="error">{status.msg}</Tag>}
             {loading && <LoadingOverlay />}
             {init.ready ? (
-                <Stack className="w-full gap-2">
-                    <AddHostFormSubnet />
+                <Stack className="w-full gap-6 items-stretch">
+                    {/* <AddHostFormSubnet /> */}
+                    <AddHostFormPublicIP {...init} />
+                    <AddHostFormInterface {...init} />
                     <AddHostFormWgIpAddress
                         {...init}
                         setIpStatus={setIpStatus}

src/pages/api/admin/add-host.ts

@@ -41,6 +41,8 @@ export const handler: BunextAPIRouteHandler<APIResponseObject> = async (
 
         return await createWireguardHost({
             wg_ip_address: body?.wg_ip_address,
+            public_ip_address: body?.public_ip_address,
+            interface: body?.interface,
             user,
         });
     } catch (error: any) {

src/pages/api/admin/network-interfaces.ts

@@ -0,0 +1,20 @@
+import grabHostNetworkInterfaces from "@/src/functions/backend/setup/grab-host-network-interfaces";
+import type { ApiReqParams } from "@/src/types";
+import type {
+    APIResponseObject,
+    BunextAPIRouteHandler,
+} from "@moduletrace/bunext/types";
+
+export const handler: BunextAPIRouteHandler<APIResponseObject> = async (
+    params,
+) => {
+    if (params.req.method !== "GET") {
+        return { success: false };
+    }
+    try {
+        const interfaces = await grabHostNetworkInterfaces();
+        return { success: true, stringRes: JSON.stringify(interfaces) };
+    } catch (error: any) {
+        return { success: false, msg: error.message };
+    }
+};

src/pages/api/admin/public-ip.ts

@@ -0,0 +1,20 @@
+import grabHostPublicIPAddress from "@/src/functions/backend/setup/grab-host-public-ip-address";
+import type { ApiReqParams } from "@/src/types";
+import type {
+    APIResponseObject,
+    BunextAPIRouteHandler,
+} from "@moduletrace/bunext/types";
+
+export const handler: BunextAPIRouteHandler<APIResponseObject> = async (
+    params,
+) => {
+    if (params.req.method !== "GET") {
+        return { success: false };
+    }
+    try {
+        const public_ip = await grabHostPublicIPAddress();
+        return { success: true, stringRes: public_ip };
+    } catch (error: any) {
+        return { success: false, msg: error.message };
+    }
+};

src/types/index.ts

@@ -222,6 +222,7 @@ export type ApiReqParams<
     host_id?: string | number | null;
     client_id?: string | number | null;
     public_ip_address?: string | null;
+    interface?: string | null;
     // client_rules?: BUN_SQLITE_WGUI_CLIENT_RULES[];
 
     media_base_64?: string;