diff options
-rw-r--r-- | pkg/standalone/bonafide.go | 280 | ||||
-rw-r--r-- | pkg/standalone/bonafide/bonafide.go | 158 | ||||
-rw-r--r-- | pkg/standalone/bonafide/bonafide_integration_test.go (renamed from pkg/standalone/bonafide_integration_test.go) | 10 | ||||
-rw-r--r-- | pkg/standalone/bonafide/bonafide_test.go | 220 | ||||
-rw-r--r-- | pkg/standalone/bonafide/eip_service.go | 250 | ||||
-rw-r--r-- | pkg/standalone/bonafide/testdata/cert (renamed from pkg/standalone/testdata/cert) | 0 | ||||
-rw-r--r-- | pkg/standalone/bonafide/testdata/eip-service.json (renamed from pkg/standalone/testdata/eip-service.json) | 0 | ||||
-rw-r--r-- | pkg/standalone/bonafide/testdata/eip-service3.json | 173 | ||||
-rw-r--r-- | pkg/standalone/bonafide_test.go | 100 | ||||
-rw-r--r-- | pkg/standalone/launcher_linux.go | 3 | ||||
-rw-r--r-- | pkg/standalone/main.go | 5 | ||||
-rw-r--r-- | pkg/standalone/vpn.go | 12 |
12 files changed, 817 insertions, 394 deletions
diff --git a/pkg/standalone/bonafide.go b/pkg/standalone/bonafide.go deleted file mode 100644 index a3c0b22..0000000 --- a/pkg/standalone/bonafide.go +++ /dev/null @@ -1,280 +0,0 @@ -// 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 standalone - -import ( - "crypto/tls" - "crypto/x509" - "encoding/json" - "fmt" - "io" - "io/ioutil" - "log" - "math/rand" - "net/http" - "sort" - "strconv" - "strings" - "time" - - "0xacab.org/leap/bitmask-vpn/pkg/config" -) - -const ( - certAPI = config.APIURL + "1/cert" - eipAPI = config.APIURL + "1/config/eip-service.json" - secondsPerHour = 60 * 60 - retryFetchJSONSeconds = 15 -) - -type bonafide struct { - client httpClient - tzOffsetHours int - eip *eipService - defaultGateway string -} - -type httpClient interface { - Post(url, contentType string, body io.Reader) (resp *http.Response, err error) -} - -type eipService struct { - Gateways []gateway - Locations map[string]struct { - CountryCode string - Hemisphere string - Name string - Timezone string - } - OpenvpnConfiguration map[string]interface{} `json:"openvpn_configuration"` -} - -type gateway struct { - Capabilities struct { - Ports []string - Protocols []string - } - Host string - IPAddress string `json:"ip_address"` - Location string -} - -type gatewayDistance struct { - gateway gateway - distance int -} - -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 newBonafide() *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, - tzOffsetHours: tzOffsetHours, - eip: nil, - defaultGateway: "", - } -} - -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 != 200 { - return nil, fmt.Errorf("get vpn cert has failed with status: %s", resp.Status) - } - - return ioutil.ReadAll(resp.Body) -} - -func (b *bonafide) getGateways() ([]gateway, error) { - if b.eip == nil { - err := b.fetchEipJSON() - if err != nil { - return nil, err - } - } - - return b.eip.Gateways, nil -} - -func (b *bonafide) setDefaultGateway(name string) { - b.defaultGateway = name - b.sortGateways() -} - -func (b *bonafide) getOpenvpnArgs() ([]string, error) { - if b.eip == nil { - err := b.fetchEipJSON() - if err != nil { - return nil, err - } - } - - args := []string{} - for arg, value := range b.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, 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) fetchEipJSON() error { - resp, err := b.client.Post(eipAPI, "", nil) - for err != nil { - log.Printf("Error fetching eip json: %v", err) - time.Sleep(retryFetchJSONSeconds * time.Second) - resp, err = b.client.Post(eipAPI, "", nil) - } - defer resp.Body.Close() - if resp.StatusCode != 200 { - return fmt.Errorf("get eip json has failed with status: %s", resp.Status) - } - - var eip eipService - decoder := json.NewDecoder(resp.Body) - err = decoder.Decode(&eip) - if err != nil { - return err - } - - b.eip = &eip - b.sortGateways() - return nil -} - -func (b *bonafide) sortGatewaysByGeolocation(geolocatedGateways []string) []gatewayDistance { - gws := []gatewayDistance{} - - for i, host := range geolocatedGateways { - for _, gw := range b.eip.Gateways { - if gw.Host == host { - gws = append(gws, gatewayDistance{gw, i}) - } - } - } - return gws -} - -func (b *bonafide) sortGatewaysByTimezone() []gatewayDistance { - gws := []gatewayDistance{} - - for _, gw := range b.eip.Gateways { - distance := 13 - if gw.Location == b.defaultGateway { - distance = -1 - } else { - gwOffset, err := strconv.Atoi(b.eip.Locations[gw.Location].Timezone) - if err != nil { - log.Printf("Error sorting gateways: %v", err) - } else { - distance = tzDistance(b.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) - return gws -} - -func (b *bonafide) sortGateways() { - gws := []gatewayDistance{} - - geolocatedGateways, _ := b.fetchGeolocation() - - if len(geolocatedGateways) > 0 { - gws = b.sortGatewaysByGeolocation(geolocatedGateways) - } else { - log.Printf("Falling back to timezone heuristic for gateway selection") - gws = b.sortGatewaysByTimezone() - } - - for i, gw := range gws { - b.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/standalone/bonafide/bonafide.go b/pkg/standalone/bonafide/bonafide.go new file mode 100644 index 0000000..bdf6fff --- /dev/null +++ b/pkg/standalone/bonafide/bonafide.go @@ -0,0 +1,158 @@ +// 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" + 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 != 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/standalone/bonafide_integration_test.go b/pkg/standalone/bonafide/bonafide_integration_test.go index 5beb8aa..14fca05 100644 --- a/pkg/standalone/bonafide_integration_test.go +++ b/pkg/standalone/bonafide/bonafide_integration_test.go @@ -14,7 +14,7 @@ // 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 standalone +package bonafide import ( "bytes" @@ -27,8 +27,8 @@ var ( ) func TestIntegrationGetCert(t *testing.T) { - b := newBonafide() - cert, err := b.getCertPem() + b := New() + cert, err := b.GetCertPem() if err != nil { t.Fatal("getCert returned an error: ", err) } @@ -43,8 +43,8 @@ func TestIntegrationGetCert(t *testing.T) { } func TestGetGateways(t *testing.T) { - b := newBonafide() - gateways, err := b.getGateways() + b := New() + gateways, err := b.GetGateways("openvpn") if err != nil { t.Fatal("getGateways returned an error: ", err) } diff --git a/pkg/standalone/bonafide/bonafide_test.go b/pkg/standalone/bonafide/bonafide_test.go new file mode 100644 index 0000000..8fb7f72 --- /dev/null +++ b/pkg/standalone/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/standalone/bonafide/eip_service.go b/pkg/standalone/bonafide/eip_service.go new file mode 100644 index 0000000..94e303d --- /dev/null +++ b/pkg/standalone/bonafide/eip_service.go @@ -0,0 +1,250 @@ +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: + resp, err = b.client.Post(eip1API, "", nil) + if err != nil { + return err + } + defer resp.Body.Close() + + 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 { + 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/standalone/testdata/cert b/pkg/standalone/bonafide/testdata/cert index 4968b3f..4968b3f 100644 --- a/pkg/standalone/testdata/cert +++ b/pkg/standalone/bonafide/testdata/cert diff --git a/pkg/standalone/testdata/eip-service.json b/pkg/standalone/bonafide/testdata/eip-service.json index d5f2413..d5f2413 100644 --- a/pkg/standalone/testdata/eip-service.json +++ b/pkg/standalone/bonafide/testdata/eip-service.json diff --git a/pkg/standalone/bonafide/testdata/eip-service3.json b/pkg/standalone/bonafide/testdata/eip-service3.json new file mode 100644 index 0000000..cefd6c0 --- /dev/null +++ b/pkg/standalone/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 +} diff --git a/pkg/standalone/bonafide_test.go b/pkg/standalone/bonafide_test.go deleted file mode 100644 index 7bfcaa0..0000000 --- a/pkg/standalone/bonafide_test.go +++ /dev/null @@ -1,100 +0,0 @@ -// 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 standalone - -import ( - "io" - "io/ioutil" - "net/http" - "os" - "reflect" - "testing" -) - -const ( - certPath = "testdata/cert" - eipPath = "testdata/eip-service.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() - 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) - } - } -} diff --git a/pkg/standalone/launcher_linux.go b/pkg/standalone/launcher_linux.go index 39355c9..f2d0392 100644 --- a/pkg/standalone/launcher_linux.go +++ b/pkg/standalone/launcher_linux.go @@ -24,6 +24,7 @@ import ( "strings" "0xacab.org/leap/bitmask-vpn/pkg/config" + "0xacab.org/leap/bitmask-vpn/pkg/standalone/bonafide" "github.com/mitchellh/go-ps" ) @@ -144,7 +145,7 @@ func (l *launcher) openvpnStop() error { return runBitmaskRoot("openvpn", "stop") } -func (l *launcher) firewallStart(gateways []gateway) error { +func (l *launcher) firewallStart(gateways []bonafide.Gateway) error { log.Println("firewall start") arg := []string{"firewall", "start"} for _, gw := range gateways { diff --git a/pkg/standalone/main.go b/pkg/standalone/main.go index 319af79..e19634c 100644 --- a/pkg/standalone/main.go +++ b/pkg/standalone/main.go @@ -21,6 +21,7 @@ import ( "os" "0xacab.org/leap/bitmask-vpn/pkg/config" + "0xacab.org/leap/bitmask-vpn/pkg/standalone/bonafide" "github.com/apparentlymart/go-openvpn-mgmt/openvpn" ) @@ -29,7 +30,7 @@ type Bitmask struct { tempdir string statusCh chan string managementClient *openvpn.MgmtClient - bonafide *bonafide + bonafide *bonafide.Bonafide launch *launcher } @@ -40,7 +41,7 @@ func Init() (*Bitmask, error) { if err != nil { return nil, err } - bonafide := newBonafide() + bonafide := bonafide.New() launch, err := newLauncher() if err != nil { return nil, err diff --git a/pkg/standalone/vpn.go b/pkg/standalone/vpn.go index b858ee0..260eec1 100644 --- a/pkg/standalone/vpn.go +++ b/pkg/standalone/vpn.go @@ -28,7 +28,7 @@ const ( // StartVPN for provider func (b *Bitmask) StartVPN(provider string) error { - gateways, err := b.bonafide.getGateways() + gateways, err := b.bonafide.GetGateways("openvpn") if err != nil { return err } @@ -42,7 +42,7 @@ func (b *Bitmask) StartVPN(provider string) error { return err } - arg, err := b.bonafide.getOpenvpnArgs() + arg, err := b.bonafide.GetOpenvpnArgs() if err != nil { return err } @@ -63,7 +63,7 @@ func (b *Bitmask) getCert() (certPath string, err error) { certPath = b.getCertPemPath() if _, err := os.Stat(certPath); os.IsNotExist(err) { - cert, err := b.bonafide.getCertPem() + cert, err := b.bonafide.GetCertPem() if err != nil { return "", err } @@ -95,7 +95,7 @@ func (b *Bitmask) ReloadFirewall() error { } if status != Off { - gateways, err := b.bonafide.getGateways() + gateways, err := b.bonafide.GetGateways("openvpn") if err != nil { return err } @@ -129,7 +129,7 @@ func (b *Bitmask) VPNCheck() (helpers bool, priviledge bool, err error) { // ListGateways return the names of the gateways func (b *Bitmask) ListGateways(provider string) ([]string, error) { - gateways, err := b.bonafide.getGateways() + gateways, err := b.bonafide.GetGateways("openvpn") if err != nil { return nil, err } @@ -142,7 +142,7 @@ func (b *Bitmask) ListGateways(provider string) ([]string, error) { // UseGateway selects name as the default gateway func (b *Bitmask) UseGateway(name string) error { - b.bonafide.setDefaultGateway(name) + b.bonafide.SetDefaultGateway(name) return nil } |