Xray-core/proxy/shadowsocks/protocol_test.go

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package shadowsocks_test
import (
"testing"
"github.com/google/go-cmp/cmp"
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"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
. "github.com/xtls/xray-core/proxy/shadowsocks"
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)
func toAccount(a *Account) protocol.Account {
account, err := a.AsAccount()
common.Must(err)
return account
}
func equalRequestHeader(x, y *protocol.RequestHeader) bool {
return cmp.Equal(x, y, cmp.Comparer(func(x, y protocol.RequestHeader) bool {
return x == y
}))
}
func TestUDPEncodingDecoding(t *testing.T) {
testRequests := []protocol.RequestHeader{
{
Version: Version,
Command: protocol.RequestCommandUDP,
Address: net.LocalHostIP,
Port: 1234,
User: &protocol.MemoryUser{
Email: "love@example.com",
Account: toAccount(&Account{
Password: "password",
CipherType: CipherType_AES_128_GCM,
}),
},
},
{
Version: Version,
Command: protocol.RequestCommandUDP,
Address: net.LocalHostIP,
Port: 1234,
User: &protocol.MemoryUser{
Email: "love@example.com",
Account: toAccount(&Account{
Password: "123",
CipherType: CipherType_NONE,
}),
},
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},
}
for _, request := range testRequests {
data := buf.New()
common.Must2(data.WriteString("test string"))
encodedData, err := EncodeUDPPacket(&request, data.Bytes())
common.Must(err)
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validator := new(Validator)
validator.Add(request.User)
decodedRequest, decodedData, err := DecodeUDPPacket(validator, encodedData)
common.Must(err)
if r := cmp.Diff(decodedData.Bytes(), data.Bytes()); r != "" {
t.Error("data: ", r)
}
if equalRequestHeader(decodedRequest, &request) == false {
t.Error("different request")
}
}
}
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func TestUDPDecodingWithPayloadTooShort(t *testing.T) {
testAccounts := []protocol.Account{
toAccount(&Account{
Password: "password",
CipherType: CipherType_AES_128_GCM,
}),
toAccount(&Account{
Password: "password",
CipherType: CipherType_NONE,
}),
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}
for _, account := range testAccounts {
data := buf.New()
data.WriteString("short payload")
validator := new(Validator)
validator.Add(&protocol.MemoryUser{
Account: account,
})
_, _, err := DecodeUDPPacket(validator, data)
if err == nil {
t.Fatal("expected error")
}
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}
}
func TestTCPRequest(t *testing.T) {
cases := []struct {
request *protocol.RequestHeader
payload []byte
}{
{
request: &protocol.RequestHeader{
Version: Version,
Command: protocol.RequestCommandTCP,
Address: net.LocalHostIP,
Port: 1234,
User: &protocol.MemoryUser{
Email: "love@example.com",
Account: toAccount(&Account{
Password: "tcp-password",
CipherType: CipherType_AES_128_GCM,
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}),
},
},
payload: []byte("test string"),
},
{
request: &protocol.RequestHeader{
Version: Version,
Command: protocol.RequestCommandTCP,
Address: net.LocalHostIPv6,
Port: 1234,
User: &protocol.MemoryUser{
Email: "love@example.com",
Account: toAccount(&Account{
Password: "password",
CipherType: CipherType_AES_256_GCM,
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}),
},
},
payload: []byte("test string"),
},
{
request: &protocol.RequestHeader{
Version: Version,
Command: protocol.RequestCommandTCP,
Address: net.DomainAddress("example.com"),
Port: 1234,
User: &protocol.MemoryUser{
Email: "love@example.com",
Account: toAccount(&Account{
Password: "password",
CipherType: CipherType_CHACHA20_POLY1305,
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}),
},
},
payload: []byte("test string"),
},
}
runTest := func(request *protocol.RequestHeader, payload []byte) {
data := buf.New()
common.Must2(data.Write(payload))
cache := buf.New()
defer cache.Release()
writer, err := WriteTCPRequest(request, cache)
common.Must(err)
common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{data}))
validator := new(Validator)
validator.Add(request.User)
decodedRequest, reader, err := ReadTCPSession(validator, cache)
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common.Must(err)
if equalRequestHeader(decodedRequest, request) == false {
t.Error("different request")
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}
decodedData, err := reader.ReadMultiBuffer()
common.Must(err)
if r := cmp.Diff(decodedData[0].Bytes(), payload); r != "" {
t.Error("data: ", r)
}
}
for _, test := range cases {
runTest(test.request, test.payload)
}
}
func TestUDPReaderWriter(t *testing.T) {
user := &protocol.MemoryUser{
Account: toAccount(&Account{
Password: "test-password",
CipherType: CipherType_CHACHA20_POLY1305,
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}),
}
cache := buf.New()
defer cache.Release()
writer := &UDPWriter{
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Writer: cache,
Request: &protocol.RequestHeader{
Version: Version,
Address: net.DomainAddress("example.com"),
Port: 123,
User: user,
},
}
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reader := &UDPReader{
Reader: cache,
User: user,
}
{
b := buf.New()
common.Must2(b.WriteString("test payload"))
common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{b}))
payload, err := reader.ReadMultiBuffer()
common.Must(err)
if payload[0].String() != "test payload" {
t.Error("unexpected output: ", payload[0].String())
}
}
{
b := buf.New()
common.Must2(b.WriteString("test payload 2"))
common.Must(writer.WriteMultiBuffer(buf.MultiBuffer{b}))
payload, err := reader.ReadMultiBuffer()
common.Must(err)
if payload[0].String() != "test payload 2" {
t.Error("unexpected output: ", payload[0].String())
}
}
}