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Merge branch 'develop' into exchanges
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This commit is contained in:
Jake Hillion 2021-05-12 00:17:21 +01:00
commit 613da510d1
12 changed files with 102 additions and 31 deletions
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2
.gitignore vendored
View File

@ -1,4 +1,4 @@
config.ini
*.conf
logs/
# Created by https://www.toptal.com/developers/gitignore/api/intellij+all,go

20
config/builder.go
View File

@ -76,13 +76,17 @@ func buildTcp(ctx context.Context, p *proxy.Proxy, peer Peer, g func() proxy.Mac
return err
}
p.AddConsumer(ctx, f, g())
p.AddProducer(ctx, f, v())
if !peer.DisableConsumer {
p.AddConsumer(ctx, f, g())
}
if !peer.DisableProducer {
p.AddProducer(ctx, f, v())
}
return nil
}
err := tcp.NewListener(ctx, p, laddr(), v, g)
err := tcp.NewListener(ctx, p, laddr(), v, g, !peer.DisableConsumer, !peer.DisableProducer)
if err != nil {
return err
}
@ -122,13 +126,17 @@ func buildUdp(ctx context.Context, p *proxy.Proxy, peer Peer, g func() proxy.Mac
return err
}
p.AddConsumer(ctx, f, g())
p.AddProducer(ctx, f, v())
if !peer.DisableConsumer {
p.AddConsumer(ctx, f, g())
}
if !peer.DisableProducer {
p.AddProducer(ctx, f, v())
}
return nil
}
err := udp.NewListener(ctx, p, laddr(), v, g, c)
err := udp.NewListener(ctx, p, laddr(), v, g, c, !peer.DisableConsumer, !peer.DisableProducer)
if err != nil {
return err
}

3
config/config.go
View File

@ -57,6 +57,9 @@ type Peer struct {
KeepAlive uint
Timeout uint
RetryWait uint
DisableConsumer bool `validate:"omitempty,nefield=DisableProducer"`
DisableProducer bool `validate:"omitempty,nefield=DisableConsumer"`
}
func (p Peer) GetLocalHost() string {

45
crypto/sharedkey/blake2s_test.go Normal file
View File

@ -0,0 +1,45 @@
package sharedkey
import (
"github.com/stretchr/testify/assert"
"math/rand"
"mpbl3p/shared"
"testing"
)
func TestBlake2s_GenerateVerify(t *testing.T) {
t.Run("GeneratedVerifies", func(t *testing.T) {
// ASSIGN
key := make([]byte, 16)
rand.Read(key)
buf := make([]byte, 500)
rand.Read(buf)
// ACT
b := Blake2s{key}
code := b.Generate(buf)
// ASSERT
err := b.Verify(buf, code)
assert.Nil(t, err)
})
t.Run("FlippedBitFailsVerify", func(t *testing.T) {
// ASSIGN
key := make([]byte, 16)
rand.Read(key)
buf := make([]byte, 500)
rand.Read(buf)
// ACT
b := Blake2s{key}
code := b.Generate(buf)
offset := rand.Intn(len(buf) * 8)
buf[offset/8] ^= 1 << (offset % 8)
// ASSERT
err := b.Verify(buf, code)
assert.Equal(t, shared.ErrBadChecksum, err)
})
}

2
go.mod
View File

@ -3,7 +3,7 @@ module mpbl3p
go 1.15
require (
github.com/go-playground/validator/v10 v10.4.1
github.com/go-playground/validator/v10 v10.6.0
github.com/jessevdk/go-flags v1.5.0
github.com/smartystreets/goconvey v1.6.4 // indirect
github.com/stretchr/testify v1.4.0

3
go.sum
View File

@ -8,6 +8,8 @@ github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD87
github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
github.com/go-playground/validator/v10 v10.6.0 h1:UGIt4xR++fD9QrBOoo/ascJfGe3AGHEB9s6COnss4Rk=
github.com/go-playground/validator/v10 v10.6.0/go.mod h1:xm76BBt941f7yWdGnI2DVPFFg1UK3YY04qifoXU3lOk=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/jessevdk/go-flags v1.5.0 h1:1jKYvbxEjfUl0fmqTCOfonvskHHXMjBySTLW4y9LFvc=
@ -49,6 +51,7 @@ golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXR
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=

3
main.go
View File

@ -42,7 +42,8 @@ func main() {
c, err := config.LoadConfig(o.ConfigFile)
if err != nil {
panic(err)
log.Fatalf("error validating config: %s", err.Error())
return
}
log.Println("creating tun adapter...")

16
tcp/flow.go
View File

@ -53,7 +53,7 @@ func NewFlow() Flow {
}
}
func NewFlowConn(conn Conn) Flow {
func NewFlowConn(ctx context.Context, conn Conn) Flow {
f := Flow{
conn: conn,
isAlive: true,
@ -64,8 +64,8 @@ func NewFlowConn(conn Conn) Flow {
produceErrors: make(chan error),
}
go f.produceMarshalled()
go f.consumeMarshalled()
go f.produceMarshalled(ctx)
go f.consumeMarshalled(ctx)
return f
}
@ -89,7 +89,7 @@ func InitiateFlow(local func() string, remote string) (*InitiatedFlow, error) {
return &f, nil
}
func (f *InitiatedFlow) Reconnect() error {
func (f *InitiatedFlow) Reconnect(ctx context.Context) error {
f.mu.Lock()
defer f.mu.Unlock()
@ -119,8 +119,8 @@ func (f *InitiatedFlow) Reconnect() error {
f.conn = conn
f.isAlive = true
go f.produceMarshalled()
go f.consumeMarshalled()
go f.produceMarshalled(ctx)
go f.consumeMarshalled(ctx)
return nil
}
@ -191,7 +191,7 @@ func (f *Flow) Produce(ctx context.Context, v proxy.MacVerifier) (proxy.Packet,
return proxy.SimplePacket(b), nil
}
func (f *Flow) consumeMarshalled() {
func (f *Flow) consumeMarshalled(ctx context.Context) {
for {
data := <-f.toConsume
@ -208,7 +208,7 @@ func (f *Flow) consumeMarshalled() {
}
}
func (f *Flow) produceMarshalled() {
func (f *Flow) produceMarshalled(ctx context.Context) {
buf := bufio.NewReader(f.conn)
for {

6
tcp/flow_test.go
View File

@ -18,7 +18,7 @@ func TestFlow_Consume(t *testing.T) {
t.Run("Length", func(t *testing.T) {
testConn := mocks.NewMockPerfectBiStreamConn(100)
flowA := NewFlowConn(testConn.SideA())
flowA := NewFlowConn(context.Background(), testConn.SideA())
err := flowA.Consume(context.Background(), testPacket, testMac)
require.Nil(t, err)
@ -42,7 +42,7 @@ func TestFlow_Produce(t *testing.T) {
t.Run("Length", func(t *testing.T) {
testConn := mocks.NewMockPerfectBiStreamConn(100)
flowA := NewFlowConn(testConn.SideA())
flowA := NewFlowConn(context.Background(), testConn.SideA())
_, err := testConn.SideB().Write(testMarshalled)
require.Nil(t, err)
@ -55,7 +55,7 @@ func TestFlow_Produce(t *testing.T) {
t.Run("Value", func(t *testing.T) {
testConn := mocks.NewMockPerfectBiStreamConn(100)
flowA := NewFlowConn(testConn.SideA())
flowA := NewFlowConn(context.Background(), testConn.SideA())
_, err := testConn.SideB().Write(testMarshalled)
require.Nil(t, err)

12
tcp/listener.go
View File

@ -7,7 +7,7 @@ import (
"net"
)
func NewListener(ctx context.Context, p *proxy.Proxy, local string, v func() proxy.MacVerifier, g func() proxy.MacGenerator) error {
func NewListener(ctx context.Context, p *proxy.Proxy, local string, v func() proxy.MacVerifier, g func() proxy.MacGenerator, enableConsumers bool, enableProducers bool) error {
laddr, err := net.ResolveTCPAddr("tcp", local)
if err != nil {
return err
@ -29,12 +29,16 @@ func NewListener(ctx context.Context, p *proxy.Proxy, local string, v func() pro
panic(err)
}
f := NewFlowConn(conn)
f := NewFlowConn(ctx, conn)
log.Printf("received new tcp connection: %v\n", f)
p.AddConsumer(ctx, &f, g())
p.AddProducer(ctx, &f, v())
if enableConsumers {
p.AddConsumer(ctx, &f, g())
}
if enableProducers {
p.AddProducer(ctx, &f, v())
}
}
}()

11
tun/tun.go
View File

@ -10,7 +10,6 @@ import (
type SourceSink struct {
tun wgtun.Device
mtu int
}
func NewTun(name string, mtu int) (t wgtun.Device, err error) {
@ -26,7 +25,6 @@ func NewFromFile(fd uintptr, mtu int) (ss *SourceSink, err error) {
return
}
ss.mtu = mtu
return
}
@ -35,7 +33,12 @@ func (t *SourceSink) Close() error {
}
func (t *SourceSink) Source() (proxy.Packet, error) {
buf := make([]byte, t.mtu)
mtu, err := t.tun.MTU()
if err != nil {
return nil, err
}
buf := make([]byte, mtu+4)
read, err := t.tun.Read(buf, 4)
if err != nil {
@ -46,7 +49,7 @@ func (t *SourceSink) Source() (proxy.Packet, error) {
return nil, io.EOF
}
return proxy.SimplePacket(buf[4:read]), nil
return proxy.SimplePacket(buf[4 : read+4]), nil
}
var good, bad float64

10
udp/listener.go
View File

@ -25,7 +25,7 @@ func fromUdpAddress(address net.UDPAddr) ComparableUdpAddress {
}
}
func NewListener(ctx context.Context, p *proxy.Proxy, local string, v func() proxy.MacVerifier, g func() proxy.MacGenerator, c func() Congestion) error {
func NewListener(ctx context.Context, p *proxy.Proxy, local string, v func() proxy.MacVerifier, g func() proxy.MacGenerator, c func() Congestion, enableConsumers bool, enableProducers bool) error {
laddr, err := net.ResolveUDPAddr("udp", local)
if err != nil {
return err
@ -86,8 +86,12 @@ func NewListener(ctx context.Context, p *proxy.Proxy, local string, v func() pro
receivedConnections[raddr] = fi
p.AddConsumer(ctx, fi, g)
p.AddProducer(ctx, fi, v)
if enableConsumers {
p.AddConsumer(ctx, fi, g)
}
if enableProducers {
p.AddProducer(ctx, fi, v)
}
log.Println("handling...")
if err := fi.queueDatagram(ctx, buf[:n]); err != nil {