[refactor] rename standalone to just vpn

8 files changed, 1060 insertions, 0 deletions

diff --git a/pkg/vpn/bonafide/bonafide.go b/pkg/vpn/bonafide/bonafide.go
new file mode 100644
index 0000000..fd32f2a
--- /dev/null
+++ b/pkg/vpn/bonafide/bonafide.go
@@ -0,0 +1,166 @@
+// Copyright (C) 2018 LEAP
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package bonafide
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"time"
+
+	"0xacab.org/leap/bitmask-vpn/pkg/config"
+)
+
+const (
+	certAPI               = config.APIURL + "1/cert"
+	certAPI3              = config.APIURL + "3/cert"
+	secondsPerHour        = 60 * 60
+	retryFetchJSONSeconds = 15
+)
+
+type Bonafide struct {
+	client        httpClient
+	eip           *eipService
+	tzOffsetHours int
+}
+
+type Gateway struct {
+	Host      string
+	IPAddress string
+	Location  string
+	Ports     []string
+	Protocols []string
+	Options   map[string]string
+}
+
+type openvpnConfig map[string]interface{}
+
+type httpClient interface {
+	Post(url, contentType string, body io.Reader) (resp *http.Response, err error)
+}
+
+type geoLocation struct {
+	IPAddress      string   `json:"ip"`
+	Country        string   `json:"cc"`
+	City           string   `json:"city"`
+	Latitude       float64  `json:"lat"`
+	Longitude      float64  `json:"lon"`
+	SortedGateways []string `json:"gateways"`
+}
+
+func New() *Bonafide {
+	certs := x509.NewCertPool()
+	certs.AppendCertsFromPEM(config.CaCert)
+	client := &http.Client{
+		Transport: &http.Transport{
+			TLSClientConfig: &tls.Config{
+				RootCAs: certs,
+			},
+		},
+	}
+	_, tzOffsetSeconds := time.Now().Zone()
+	tzOffsetHours := tzOffsetSeconds / secondsPerHour
+
+	return &Bonafide{
+		client:        client,
+		eip:           nil,
+		tzOffsetHours: tzOffsetHours,
+	}
+}
+
+func (b *Bonafide) GetCertPem() ([]byte, error) {
+	resp, err := b.client.Post(certAPI, "", nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == 404 {
+		resp, err = b.client.Post(certAPI3, "", nil)
+		if err != nil {
+			return nil, err
+		}
+		defer resp.Body.Close()
+	}
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("get vpn cert has failed with status: %s", resp.Status)
+	}
+
+	return ioutil.ReadAll(resp.Body)
+}
+
+func (b *Bonafide) GetGateways(transport string) ([]Gateway, error) {
+	if b.eip == nil {
+		err := b.fetchEipJSON()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return b.eip.getGateways(transport), nil
+}
+
+func (b *Bonafide) SetDefaultGateway(name string) {
+	b.eip.setDefaultGateway(name)
+	b.sortGateways()
+}
+
+func (b *Bonafide) GetOpenvpnArgs() ([]string, error) {
+	if b.eip == nil {
+		err := b.fetchEipJSON()
+		if err != nil {
+			return nil, err
+		}
+	}
+	return b.eip.getOpenvpnArgs(), nil
+}
+
+func (b *Bonafide) fetchGeolocation() ([]string, error) {
+	resp, err := b.client.Post(config.GeolocationAPI, "", nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("get geolocation failed with status: %s", resp.Status)
+	}
+
+	geo := &geoLocation{}
+	dataJSON, err := ioutil.ReadAll(resp.Body)
+	err = json.Unmarshal(dataJSON, &geo)
+	if err != nil {
+		_ = fmt.Errorf("get vpn cert has failed with status: %s", resp.Status)
+		return nil, err
+	}
+
+	return geo.SortedGateways, nil
+
+}
+
+func (b *Bonafide) sortGateways() {
+	geolocatedGateways, _ := b.fetchGeolocation()
+
+	if len(geolocatedGateways) > 0 {
+		b.eip.sortGatewaysByGeolocation(geolocatedGateways)
+	} else {
+		log.Printf("Falling back to timezone heuristic for gateway selection")
+		b.eip.sortGatewaysByTimezone(b.tzOffsetHours)
+	}
+}
diff --git a/pkg/vpn/bonafide/bonafide_api_test.go b/pkg/vpn/bonafide/bonafide_api_test.go
new file mode 100644
index 0000000..7b48d8f
--- /dev/null
+++ b/pkg/vpn/bonafide/bonafide_api_test.go
@@ -0,0 +1,15 @@
+package bonafide
+
+import (
+	"log"
+	"testing"
+)
+
+func TestBonafideAPI(t *testing.T) {
+	b := New()
+	cert, err := b.GetCertPem()
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Println(string(cert))
+}
diff --git a/pkg/vpn/bonafide/bonafide_integration_test.go b/pkg/vpn/bonafide/bonafide_integration_test.go
new file mode 100644
index 0000000..bea00fe
--- /dev/null
+++ b/pkg/vpn/bonafide/bonafide_integration_test.go
@@ -0,0 +1,62 @@
+// +build integration
+// Copyright (C) 2018 LEAP
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package bonafide
+
+import (
+	"bytes"
+	"testing"
+)
+
+const (
+	gwIP = "199.58.81.145"
+)
+
+var (
+	privateKeyHeader = []byte("-----BEGIN RSA PRIVATE KEY-----")
+	certHeader       = []byte("-----BEGIN CERTIFICATE-----")
+)
+
+func TestIntegrationGetCert(t *testing.T) {
+	b := New()
+	cert, err := b.GetCertPem()
+	if err != nil {
+		t.Fatal("getCert returned an error: ", err)
+	}
+
+	if !bytes.Contains(cert, privateKeyHeader) {
+		t.Errorf("No private key present: \n%q", cert)
+	}
+
+	if !bytes.Contains(cert, certHeader) {
+		t.Errorf("No cert present: \n%q", cert)
+	}
+}
+
+func TestGetGateways(t *testing.T) {
+	b := New()
+	gateways, err := b.GetGateways("openvpn")
+	if err != nil {
+		t.Fatal("getGateways returned an error: ", err)
+	}
+
+	for _, gw := range gateways {
+		if gw.IPAddress == gwIP {
+			return
+		}
+	}
+	t.Errorf("%s not in the list", gwIP)
+}
diff --git a/pkg/vpn/bonafide/bonafide_test.go b/pkg/vpn/bonafide/bonafide_test.go
new file mode 100644
index 0000000..8fb7f72
--- /dev/null
+++ b/pkg/vpn/bonafide/bonafide_test.go
@@ -0,0 +1,220 @@
+// Copyright (C) 2018 LEAP
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package bonafide
+
+import (
+	"io"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"reflect"
+	"strconv"
+	"strings"
+	"testing"
+)
+
+const (
+	certPath = "testdata/cert"
+	eip1Path = "testdata/eip-service.json"
+	eipPath  = "testdata/eip-service3.json"
+)
+
+type client struct {
+	path string
+}
+
+func (c client) Post(url, contentType string, body io.Reader) (resp *http.Response, err error) {
+	f, err := os.Open(c.path)
+	return &http.Response{
+		Body:       f,
+		StatusCode: 200,
+	}, err
+}
+
+func TestGetCert(t *testing.T) {
+	b := Bonafide{client: client{certPath}}
+	cert, err := b.GetCertPem()
+	if err != nil {
+		t.Fatal("getCert returned an error: ", err)
+	}
+
+	f, err := os.Open(certPath)
+	if err != nil {
+		t.Fatal("Can't open ", certPath, ": ", err)
+	}
+	defer f.Close()
+
+	certData, err := ioutil.ReadAll(f)
+	if err != nil {
+		t.Fatal("Can't read all: ", err)
+	}
+	if !reflect.DeepEqual(certData, cert) {
+		t.Errorf("cert doesn't match")
+	}
+}
+
+func TestGatewayTzLocation(t *testing.T) {
+	// tzOffset -> location
+	values := map[int]string{
+		-12: "c",
+		-10: "a",
+		-5:  "a",
+		-3:  "a",
+		-1:  "b",
+		0:   "b",
+		2:   "b",
+		5:   "c",
+		8:   "c",
+		12:  "c",
+	}
+
+	for tzOffset, location := range values {
+		b := Bonafide{
+			client:        client{eipPath},
+			tzOffsetHours: tzOffset,
+		}
+		gateways, err := b.GetGateways("openvpn")
+		if err != nil {
+			t.Errorf("getGateways returned an error: %v", err)
+			continue
+		}
+		if len(gateways) < 4 {
+			t.Errorf("Wrong number of gateways: %d", len(gateways))
+			continue
+
+		}
+		if gateways[0].Location != location {
+			t.Errorf("Wrong location for tz %d: %s, expected: %s", tzOffset, gateways[0].Location, location)
+		}
+	}
+}
+
+func TestOpenvpnGateways(t *testing.T) {
+	b := Bonafide{
+		client: client{eipPath},
+	}
+	gateways, err := b.GetGateways("openvpn")
+	if err != nil {
+		t.Fatalf("getGateways returned an error: %v", err)
+	}
+	if len(gateways) == 0 {
+		t.Fatalf("No obfs4 gateways found")
+	}
+
+	present := make([]bool, 6)
+	for _, g := range gateways {
+		i, err := strconv.Atoi(g.Host[0:1])
+		if err != nil {
+			t.Fatalf("unkonwn host %s: %v", g.Host, err)
+		}
+		present[i] = true
+	}
+	for i, p := range present {
+		switch i {
+		case 0:
+			continue
+		case 5:
+			if p {
+				t.Errorf("Host %d should not have obfs4 transport", i)
+			}
+		default:
+			if !p {
+				t.Errorf("Host %d should have obfs4 transport", i)
+			}
+		}
+	}
+}
+
+func TestObfs4Gateways(t *testing.T) {
+	b := Bonafide{
+		client: client{eipPath},
+	}
+	gateways, err := b.GetGateways("obfs4")
+	if err != nil {
+		t.Fatalf("getGateways returned an error: %v", err)
+	}
+	if len(gateways) == 0 {
+		t.Fatalf("No obfs4 gateways found")
+	}
+
+	present := make([]bool, 6)
+	for _, g := range gateways {
+		i, err := strconv.Atoi(g.Host[0:1])
+		if err != nil {
+			t.Fatalf("unkonwn host %s: %v", g.Host, err)
+		}
+		present[i] = true
+
+		cert, ok := g.Options["cert"]
+		if !ok {
+			t.Fatalf("No cert in options (%s): %v", g.Host, g.Options)
+		}
+		if cert != "obfs-cert" {
+			t.Errorf("No valid options given (%s): %v", g.Host, g.Options)
+		}
+	}
+	for i, p := range present {
+		switch i {
+		case 0:
+			continue
+		case 2, 4:
+			if p {
+				t.Errorf("Host %d should not have obfs4 transport", i)
+			}
+		default:
+			if !p {
+				t.Errorf("Host %d should have obfs4 transport", i)
+			}
+		}
+	}
+}
+
+type fallClient struct {
+	path string
+}
+
+func (c fallClient) Post(url, contentType string, body io.Reader) (resp *http.Response, err error) {
+	statusCode := 200
+	if strings.Contains(url, "3/config/eip-service.json") {
+		statusCode = 404
+	}
+	f, err := os.Open(c.path)
+	return &http.Response{
+		Body:       f,
+		StatusCode: statusCode,
+	}, err
+}
+
+func TestEipServiceV1Fallback(t *testing.T) {
+	b := Bonafide{
+		client: fallClient{eip1Path},
+	}
+	gateways, err := b.GetGateways("obfs4")
+	if err != nil {
+		t.Fatalf("getGateways obfs4 returned an error: %v", err)
+	}
+	if len(gateways) != 0 {
+		t.Fatalf("It found some obfs4 gateways: %v", gateways)
+	}
+
+	gateways, err = b.GetGateways("openvpn")
+	if err != nil {
+		t.Fatalf("getGateways openvpn returned an error: %v", err)
+	}
+	if len(gateways) != 4 {
+		t.Fatalf("It not right number of gateways: %v", gateways)
+	}
+}
diff --git a/pkg/vpn/bonafide/eip_service.go b/pkg/vpn/bonafide/eip_service.go
new file mode 100644
index 0000000..c097e8a
--- /dev/null
+++ b/pkg/vpn/bonafide/eip_service.go
@@ -0,0 +1,257 @@
+package bonafide
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"math/rand"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"0xacab.org/leap/bitmask-vpn/pkg/config"
+)
+
+const (
+	eip1API = config.APIURL + "1/config/eip-service.json"
+	eip3API = config.APIURL + "3/config/eip-service.json"
+)
+
+type eipService struct {
+	Gateways             []gatewayV3
+	Locations            map[string]location
+	OpenvpnConfiguration openvpnConfig `json:"openvpn_configuration"`
+	defaultGateway       string
+}
+
+type eipServiceV1 struct {
+	Gateways             []gatewayV1
+	Locations            map[string]location
+	OpenvpnConfiguration openvpnConfig `json:"openvpn_configuration"`
+}
+
+type location struct {
+	CountryCode string
+	Hemisphere  string
+	Name        string
+	Timezone    string
+}
+
+type gatewayV1 struct {
+	Capabilities struct {
+		Ports     []string
+		Protocols []string
+	}
+	Host      string
+	IPAddress string `json:"ip_address"`
+	Location  string
+}
+
+type gatewayV3 struct {
+	Capabilities struct {
+		Transport []transportV3
+	}
+	Host      string
+	IPAddress string `json:"ip_address"`
+	Location  string
+}
+
+type transportV3 struct {
+	Type      string
+	Protocols []string
+	Ports     []string
+	Options   map[string]string
+}
+
+func (b *Bonafide) fetchEipJSON() error {
+	resp, err := b.client.Post(eip3API, "", nil)
+	for err != nil {
+		log.Printf("Error fetching eip v3 json: %v", err)
+		time.Sleep(retryFetchJSONSeconds * time.Second)
+		resp, err = b.client.Post(eip3API, "", nil)
+	}
+	defer resp.Body.Close()
+
+	switch resp.StatusCode {
+	case 200:
+		b.eip, err = decodeEIP3(resp.Body)
+	case 404:
+		buf := make([]byte, 128)
+		resp.Body.Read(buf)
+		log.Printf("Error fetching eip v3 json: %s", buf)
+		resp, err = b.client.Post(eip1API, "", nil)
+		if err != nil {
+			return err
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode != 200 {
+			return fmt.Errorf("get eip json has failed with status: %s", resp.Status)
+		}
+
+		b.eip, err = decodeEIP1(resp.Body)
+	default:
+		return fmt.Errorf("get eip json has failed with status: %s", resp.Status)
+	}
+	if err != nil {
+		return err
+	}
+
+	b.sortGateways()
+	return nil
+}
+
+func decodeEIP3(body io.Reader) (*eipService, error) {
+	var eip eipService
+	decoder := json.NewDecoder(body)
+	err := decoder.Decode(&eip)
+	return &eip, err
+}
+
+func decodeEIP1(body io.Reader) (*eipService, error) {
+	var eip1 eipServiceV1
+	decoder := json.NewDecoder(body)
+	err := decoder.Decode(&eip1)
+	if err != nil {
+		log.Printf("Error fetching eip v1 json: %v", err)
+		return nil, err
+	}
+
+	eip3 := eipService{
+		Gateways:             make([]gatewayV3, len(eip1.Gateways)),
+		Locations:            eip1.Locations,
+		OpenvpnConfiguration: eip1.OpenvpnConfiguration,
+	}
+	for _, g := range eip1.Gateways {
+		gateway := gatewayV3{
+			Host:      g.Host,
+			IPAddress: g.IPAddress,
+			Location:  g.Location,
+		}
+		gateway.Capabilities.Transport = []transportV3{
+			transportV3{
+				Type:      "openvpn",
+				Ports:     g.Capabilities.Ports,
+				Protocols: g.Capabilities.Protocols,
+			},
+		}
+		eip3.Gateways = append(eip3.Gateways, gateway)
+	}
+	return &eip3, nil
+}
+
+func (eip eipService) getGateways(transport string) []Gateway {
+	gws := []Gateway{}
+	for _, g := range eip.Gateways {
+		for _, t := range g.Capabilities.Transport {
+			if t.Type != transport {
+				continue
+			}
+
+			gateway := Gateway{
+				Host:      g.Host,
+				IPAddress: g.IPAddress,
+				Location:  g.Location,
+				Ports:     t.Ports,
+				Protocols: t.Protocols,
+				Options:   t.Options,
+			}
+			gws = append(gws, gateway)
+		}
+	}
+	return gws
+}
+
+func (eip *eipService) setDefaultGateway(name string) {
+	eip.defaultGateway = name
+}
+
+func (eip eipService) getOpenvpnArgs() []string {
+	args := []string{}
+	for arg, value := range eip.OpenvpnConfiguration {
+		switch v := value.(type) {
+		case string:
+			args = append(args, "--"+arg)
+			args = append(args, strings.Split(v, " ")...)
+		case bool:
+			if v {
+				args = append(args, "--"+arg)
+			}
+		default:
+			log.Printf("Unknown openvpn argument type: %s - %v", arg, value)
+		}
+	}
+	return args
+}
+
+func (eip *eipService) sortGatewaysByGeolocation(geolocatedGateways []string) {
+	gws := make([]gatewayV3, len(eip.Gateways))
+
+	if eip.defaultGateway != "" {
+		for _, gw := range eip.Gateways {
+			if gw.Location == eip.defaultGateway {
+				gws = append(gws, gw)
+				break
+			}
+		}
+	}
+	for _, host := range geolocatedGateways {
+		for _, gw := range eip.Gateways {
+			if gw.Host == host {
+				gws = append(gws, gw)
+			}
+		}
+	}
+	eip.Gateways = gws
+}
+
+type gatewayDistance struct {
+	gateway  gatewayV3
+	distance int
+}
+
+func (eip *eipService) sortGatewaysByTimezone(tzOffsetHours int) {
+	gws := []gatewayDistance{}
+
+	for _, gw := range eip.Gateways {
+		distance := 13
+		if gw.Location == eip.defaultGateway {
+			distance = -1
+		} else {
+			gwOffset, err := strconv.Atoi(eip.Locations[gw.Location].Timezone)
+			if err != nil {
+				log.Printf("Error sorting gateways: %v", err)
+			} else {
+				distance = tzDistance(tzOffsetHours, gwOffset)
+			}
+		}
+		gws = append(gws, gatewayDistance{gw, distance})
+	}
+	rand.Seed(time.Now().UnixNano())
+	cmp := func(i, j int) bool {
+		if gws[i].distance == gws[j].distance {
+			return rand.Intn(2) == 1
+		}
+		return gws[i].distance < gws[j].distance
+	}
+	sort.Slice(gws, cmp)
+
+	for i, gw := range gws {
+		eip.Gateways[i] = gw.gateway
+	}
+}
+
+func tzDistance(offset1, offset2 int) int {
+	abs := func(x int) int {
+		if x < 0 {
+			return -x
+		}
+		return x
+	}
+	distance := abs(offset1 - offset2)
+	if distance > 12 {
+		distance = 24 - distance
+	}
+	return distance
+}
diff --git a/pkg/vpn/bonafide/testdata/cert b/pkg/vpn/bonafide/testdata/cert
new file mode 100644
index 0000000..4968b3f
--- /dev/null
+++ b/pkg/vpn/bonafide/testdata/cert
@@ -0,0 +1,54 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/pkg/vpn/bonafide/testdata/eip-service.json b/pkg/vpn/bonafide/testdata/eip-service.json
new file mode 100644
index 0000000..d5f2413
--- /dev/null
+++ b/pkg/vpn/bonafide/testdata/eip-service.json
@@ -0,0 +1,113 @@
+{
+  "gateways": [
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "ports": [
+          "443"
+        ],
+        "protocols": [
+          "tcp"
+        ],
+        "transport": [
+          "openvpn"
+        ],
+        "user_ips": false
+      },
+      "host": "1.example.com",
+      "ip_address": "1.1.1.1",
+      "location": "a"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "ports": [
+          "443"
+        ],
+        "protocols": [
+          "tcp"
+        ],
+        "transport": [
+          "openvpn"
+        ],
+        "user_ips": false
+      },
+      "host": "2.example.com",
+      "ip_address": "2.2.2.2",
+      "location": "b"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "ports": [
+          "443"
+        ],
+        "protocols": [
+          "tcp"
+        ],
+        "transport": [
+          "openvpn"
+        ],
+        "user_ips": false
+      },
+      "host": "3.example.com",
+      "ip_address": "3.3.3.3",
+      "location": "b"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "ports": [
+          "443"
+        ],
+        "protocols": [
+          "tcp"
+        ],
+        "transport": [
+          "openvpn"
+        ],
+        "user_ips": false
+      },
+      "host": "4.example.com",
+      "ip_address": "4.4.4.4",
+      "location": "c"
+    }
+  ],
+  "locations": {
+    "a": {
+      "country_code": "AA",
+      "hemisphere": "N",
+      "name": "a",
+      "timezone": "-5"
+    },
+    "b": {
+      "country_code": "BB",
+      "hemisphere": "S",
+      "name": "b",
+      "timezone": "+1"
+    },
+    "c": {
+      "country_code": "CC",
+      "hemisphere": "N",
+      "name": "c",
+      "timezone": "+8"
+    }
+  },
+  "openvpn_configuration": {
+    "auth": "SHA1",
+    "cipher": "AES-128-CBC",
+    "keepalive": "10 30",
+    "tls-cipher": "DHE-RSA-AES128-SHA",
+    "tun-ipv6": true
+  },
+  "serial": 1,
+  "version": 1
+}
diff --git a/pkg/vpn/bonafide/testdata/eip-service3.json b/pkg/vpn/bonafide/testdata/eip-service3.json
new file mode 100644
index 0000000..cefd6c0
--- /dev/null
+++ b/pkg/vpn/bonafide/testdata/eip-service3.json
@@ -0,0 +1,173 @@
+{
+  "gateways": [
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "transport": [
+          {
+            "type": "openvpn",
+            "ports": [
+              "443"
+            ],
+            "protocols": [
+              "tcp"
+            ]
+	  },
+          {
+            "type": "obfs4",
+            "ports": [
+              "2345"
+            ],
+            "protocols": [
+              "tcp"
+            ],
+	    "options": {
+              "cert": "obfs-cert",
+              "iat-mode": "0"
+	    }
+	  }
+        ],
+        "user_ips": false
+      },
+      "host": "1.example.com",
+      "ip_address": "1.1.1.1",
+      "location": "a"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "transport": [
+          {
+            "type": "openvpn",
+            "ports": [
+              "443"
+            ],
+            "protocols": [
+              "tcp"
+            ]
+	  }
+        ],
+        "user_ips": false
+      },
+      "host": "2.example.com",
+      "ip_address": "2.2.2.2",
+      "location": "b"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "transport": [
+          {
+            "type": "openvpn",
+            "ports": [
+              "443"
+            ],
+            "protocols": [
+              "tcp"
+            ]
+	  },
+          {
+            "type": "obfs4",
+            "ports": [
+              "2345"
+            ],
+            "protocols": [
+              "tcp"
+            ],
+	    "options": {
+              "cert": "obfs-cert",
+              "iat-mode": "0"
+	    }
+	  }
+        ],
+        "user_ips": false
+      },
+      "host": "3.example.com",
+      "ip_address": "3.3.3.3",
+      "location": "b"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "transport": [
+          {
+            "type": "openvpn",
+            "ports": [
+              "443"
+            ],
+            "protocols": [
+              "tcp"
+            ]
+	  }
+        ],
+        "user_ips": false
+      },
+      "host": "4.example.com",
+      "ip_address": "4.4.4.4",
+      "location": "c"
+    },
+    {
+      "capabilities": {
+        "adblock": false,
+        "filter_dns": false,
+        "limited": false,
+        "transport": [
+          {
+            "type": "obfs4",
+            "ports": [
+              "2345"
+            ],
+            "protocols": [
+              "tcp"
+            ],
+	    "options": {
+              "cert": "obfs-cert",
+              "iat-mode": "0"
+	    }
+	  }
+        ],
+        "user_ips": false
+      },
+      "host": "5.example.com",
+      "ip_address": "5.5.5.5",
+      "location": "c"
+    }
+  ],
+  "locations": {
+    "a": {
+      "country_code": "AA",
+      "hemisphere": "N",
+      "name": "a",
+      "timezone": "-5"
+    },
+    "b": {
+      "country_code": "BB",
+      "hemisphere": "S",
+      "name": "b",
+      "timezone": "+1"
+    },
+    "c": {
+      "country_code": "CC",
+      "hemisphere": "N",
+      "name": "c",
+      "timezone": "+8"
+    }
+  },
+  "openvpn_configuration": {
+    "auth": "SHA1",
+    "cipher": "AES-128-CBC",
+    "keepalive": "10 30",
+    "tls-cipher": "DHE-RSA-AES128-SHA",
+    "tun-ipv6": true
+  },
+  "serial": 1,
+  "version": 3
+}