*(home): fixed issues with setting static IP on Mac

client/src/__locales/en.json

@@ -468,5 +468,6 @@
     "set_static_ip": "Set a static IP address",
     "install_static_ok": "Good news! The static IP address is already configured",
     "install_static_error": "AdGuard Home cannot configure it automatically for this network interface. Please look for an instruction on how to do this manually.",
-    "install_static_configure": "We have detected that a dynamic IP address is used — <0>{{ip}}</0>. Do you want to use it as your static address?"
+    "install_static_configure": "We have detected that a dynamic IP address is used — <0>{{ip}}</0>. Do you want to use it as your static address?",
+    "confirm_static_ip": "AdGuard Home will configure {{ip}} to be your static IP address. Do you want to proceed?"
 }

client/src/install/Setup/Settings.js

@@ -89,7 +89,7 @@ class Settings extends Component {
                         <button
                             type="button"
                             className="btn btn-outline-primary btn-sm"
-                            onClick={this.handleStaticIp}
+                            onClick={() => this.handleStaticIp(ip)}
                         >
                             <Trans>set_static_ip</Trans>
                         </button>
@@ -133,7 +133,7 @@ class Settings extends Component {
         handleFix(web, dns, set_static_ip);
     };
 
-    handleStaticIp = () => {
+    handleStaticIp = (ip) => {
         const {
             webIp,
             webPort,
@@ -146,7 +146,9 @@ class Settings extends Component {
         const dns = { ip: dnsIp, port: dnsPort, autofix: false };
         const set_static_ip = true;
 
+        if (window.confirm(this.props.t('confirm_static_ip', { ip }))) {
             handleFix(web, dns, set_static_ip);
+        }
     };
 
     render() {

dhcpd/network_utils.go

@@ -43,8 +43,7 @@ func SetStaticIP(ifaceName string) error {
 	}
 
 	if runtime.GOOS == "darwin" {
-		return fmt.Errorf("cannot do that")
-		// return setStaticIPDarwin(ifaceName)
+		return setStaticIPDarwin(ifaceName)
 	}
 
 	return fmt.Errorf("Cannot set static IP on %s", runtime.GOOS)
@@ -190,7 +189,7 @@ func setStaticIPDarwin(ifaceName string) error {
 	}
 
 	args := make([]string, 0)
-	args = append(args, "-setdnsservers")
+	args = append(args, "-setdnsservers", portInfo.name)
 	args = append(args, dnsAddrs...)
 
 	// Setting DNS servers is necessary when configuring a static IP

home/control_install.go

@@ -70,11 +70,11 @@ type checkConfigReqEnt struct {
 	Port    int    `json:"port"`
 	IP      string `json:"ip"`
 	Autofix bool   `json:"autofix"`
-	SetStaticIP bool   `json:"set_static_ip"`
 }
 type checkConfigReq struct {
 	Web         checkConfigReqEnt `json:"web"`
 	DNS         checkConfigReqEnt `json:"dns"`
+	SetStaticIP bool              `json:"set_static_ip"`
 }
 
 type checkConfigRespEnt struct {
@@ -135,28 +135,7 @@ func handleInstallCheckConfig(w http.ResponseWriter, r *http.Request) {
 		if err != nil {
 			respData.DNS.Status = fmt.Sprintf("%v", err)
 		} else {
-			interfaceName := util.GetInterfaceByIP(reqData.DNS.IP)
-			staticIPStatus := "yes"
-
-			if len(interfaceName) == 0 {
-				staticIPStatus = "error"
-				respData.StaticIP.Error = fmt.Sprintf("Couldn't find network interface by IP %s", reqData.DNS.IP)
-			} else if reqData.DNS.SetStaticIP {
-				err = dhcpd.SetStaticIP(interfaceName)
-				staticIPStatus = "error"
-				respData.StaticIP.Error = err.Error()
-			} else {
-				// check if we have a static IP
-				isStaticIP, err := dhcpd.HasStaticIP(interfaceName)
-				if err != nil {
-					staticIPStatus = "error"
-					respData.StaticIP.Error = err.Error()
-				} else if !isStaticIP {
-					staticIPStatus = "no"
-					respData.StaticIP.IP = util.GetSubnet(interfaceName)
-				}
-			}
-			respData.StaticIP.Static = staticIPStatus
+			respData.StaticIP = handleStaticIP(reqData.DNS.IP, reqData.SetStaticIP)
 		}
 	}
 
@@ -168,6 +147,46 @@ func handleInstallCheckConfig(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+// handleStaticIP - handles static IP request
+// It either checks if we have a static IP
+// Or if set=true, it tries to set it
+func handleStaticIP(ip string, set bool) staticIPJSON {
+	resp := staticIPJSON{}
+
+	interfaceName := util.GetInterfaceByIP(ip)
+	resp.Static = "no"
+
+	if len(interfaceName) == 0 {
+		resp.Static = "error"
+		resp.Error = fmt.Sprintf("Couldn't find network interface by IP %s", ip)
+		return resp
+	}
+
+	if set {
+		// Try to set static IP for the specified interface
+		err := dhcpd.SetStaticIP(interfaceName)
+		if err != nil {
+			resp.Static = "error"
+			resp.Error = err.Error()
+			return resp
+		}
+	}
+
+	// Fallthrough here even if we set static IP
+	// Check if we have a static IP and return the details
+	isStaticIP, err := dhcpd.HasStaticIP(interfaceName)
+	if err != nil {
+		resp.Static = "error"
+		resp.Error = err.Error()
+	} else {
+		if isStaticIP {
+			resp.Static = "yes"
+		}
+		resp.IP = util.GetSubnet(interfaceName)
+	}
+	return resp
+}
+
 // Check if DNSStubListener is active
 func checkDNSStubListener() bool {
 	if runtime.GOOS != "linux" {

util/helpers.go

@@ -27,7 +27,7 @@ func RunCommand(command string, arguments ...string) (int, string, error) {
 	cmd := exec.Command(command, arguments...)
 	out, err := cmd.Output()
 	if err != nil {
-		return 1, "", fmt.Errorf("exec.Command(%s) failed: %s", command, err)
+		return 1, "", fmt.Errorf("exec.Command(%s) failed: %v: %s", command, err, string(out))
 	}
 
 	return cmd.ProcessState.ExitCode(), string(out), nil