From b0ba5a75632222ed10ead5c4b43904568074ee0f Mon Sep 17 00:00:00 2001
From: Kekskurse <soeren@siegismund-poschmann.eu>
Date: Sun, 16 May 2021 14:41:17 +0000
Subject: [PATCH] Update 'devices.go'

---
 devices.go | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 61 insertions(+), 4 deletions(-)

diff --git a/devices.go b/devices.go
index 286f059..be79474 100644
--- a/devices.go
+++ b/devices.go
@@ -12,6 +12,7 @@ type Device struct {
 	PublicKey string
 	PrivateKey string
 	ListenPort int
+	IP netlink.Addr
 }
 
 func DevicesList() ([]Device, error) {
@@ -24,7 +25,7 @@ func DevicesList() ([]Device, error) {
 	if err != nil {
 		return nil, fmt.Errorf("Can't get list of devices: %w", err)
 	}
-	
+
 	fmt.Println(devices)
 
 	var devList []Device
@@ -40,10 +41,66 @@ func DevicesList() ([]Device, error) {
 	return devList, nil
 }
 
-func DevicesCreate(device Device) (error) {
+func DevicesCreate(name string, ip netlink.Addr, privateKey string, listenPort int) (error) {
 	// Create IP Device
 	la := netlink.NewLinkAttrs()
-	la.Name = device.Name
+	la.Name = name
+
+	wgDev := &netlink.GenericLink{
+		LinkAttrs: la,
+		LinkType:  "wireguard",
+	}
+
+	err := netlink.LinkAdd(wgDev)
+	if err != nil {
+		return fmt.Errorf("Cant create Link to Device: %w", err)
+	}
+
+	err = netlink.AddrAdd(wgDev, &ip)
+	if err != nil {
+		return fmt.Errorf("Cant add ip to device: %w", err)
+	}
+
+	privkey, err := wgtypes.ParseKey(privateKey)
+	if err != nil {
+		return fmt.Errorf("Cant parse private key: %w", err)
+	}
+
+	config := wgtypes.Config{
+		PrivateKey:   &privkey,
+		ListenPort:   &listenPort,
+		FirewallMark: nil,
+		ReplacePeers: false,
+		Peers:        nil,
+	}
+
+	client, err := wgctrl.New()
+	if err != nil {
+		return fmt.Errorf("Cant create wireguard client: %w", err)
+	}
+
+	client.ConfigureDevice(name, config)
+
+	err = netlink.LinkSetUp(wgDev)
+	if err != nil {
+		return fmt.Errorf("Cant start device: %w", err)
+	}
+	return nil
+}
+
+func DeviceDelete(name string) (error) {
+	la := netlink.NewLinkAttrs()
+	la.Name = name
+
+	dev := &netlink.GenericLink{
+		LinkAttrs: la,
+		LinkType:  "wireguard",
+	}
+
+	err := netlink.LinkDel(dev)
+	if err != nil {
+		return fmt.Errorf("Cant delete Device: %w", err)
+	}
 
 	return nil
 }
@@ -56,4 +113,4 @@ func convertToDevice(device *wgtypes.Device) (Device, error) {
 	d.ListenPort = device.ListenPort
 
 	return d, nil
-}
\ No newline at end of file
+}