internal/plugin/connectors/tcp/mysql/protocol/protocol_test.go
/*
MIT License
Copyright (c) 2017 Aleksandr Fedotov
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
package protocol
import (
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/binary"
"encoding/pem"
"testing"
"github.com/stretchr/testify/assert"
)
func TestUnpackOkResponse(t *testing.T) {
type UnpackOkResponseAssert struct {
Packet []byte
HasError bool
Error error
OkResponse
}
testData := []*UnpackOkResponseAssert{
{
[]byte{
0x30, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x22, 0x00, 0x00, 0x00, 0x28, 0x52, 0x6f, 0x77, 0x73,
0x20, 0x6d, 0x61, 0x74, 0x63, 0x68, 0x65, 0x64, 0x3a, 0x20, 0x31, 0x20, 0x20, 0x43, 0x68, 0x61,
0x6e, 0x67, 0x65, 0x64, 0x3a, 0x20, 0x31, 0x20, 0x20, 0x57, 0x61, 0x72, 0x6e, 0x69, 0x6e, 0x67,
0x73, 0x3a, 0x20, 0x30,
},
false,
nil,
OkResponse{
PacketType: 0x00,
AffectedRows: uint64(1),
LastInsertID: uint64(0),
StatusFlags: uint16(34),
Warnings: uint16(0)},
},
{
[]byte{0x07, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00},
false,
nil,
OkResponse{
PacketType: 0x00,
AffectedRows: uint64(0),
LastInsertID: uint64(0),
StatusFlags: uint16(2),
Warnings: uint16(0)},
},
{
[]byte{0x07, 0x00, 0x00, 0x01, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x00},
false,
nil,
OkResponse{
PacketType: 0x00,
AffectedRows: uint64(1),
LastInsertID: uint64(2),
StatusFlags: uint16(2),
Warnings: uint16(0)},
},
}
for _, asserted := range testData {
decoded, err := UnpackOkResponse(asserted.Packet)
assert.Nil(t, err)
if err == nil {
assert.Equal(t, asserted.OkResponse.PacketType, decoded.PacketType)
assert.Equal(t, asserted.OkResponse.AffectedRows, decoded.AffectedRows)
assert.Equal(t, asserted.OkResponse.LastInsertID, decoded.LastInsertID)
assert.Equal(t, asserted.OkResponse.StatusFlags, decoded.StatusFlags)
assert.Equal(t, asserted.OkResponse.Warnings, decoded.Warnings)
}
}
}
func TestUnpackHandshakeV10(t *testing.T) {
type UnpackHandshakeV10Assert struct {
Packet []byte
HasError bool
Error error
HandshakeV10
CapabilitiesMap map[uint32]bool
}
testData := []*UnpackHandshakeV10Assert{
{
[]byte{
0x4a, 0x00, 0x00, 0x00, 0x0a, 0x35, 0x2e, 0x35, 0x2e, 0x35, 0x36, 0x00, 0x5e, 0x06, 0x00, 0x00,
0x48, 0x6a, 0x5b, 0x6a, 0x24, 0x71, 0x30, 0x3a, 0x00, 0xff, 0xf7, 0x08, 0x02, 0x00, 0x0f, 0x80,
0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6f, 0x43, 0x40, 0x56, 0x6e,
0x4b, 0x68, 0x4a, 0x79, 0x46, 0x30, 0x5a, 0x00, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x5f, 0x6e, 0x61,
0x74, 0x69, 0x76, 0x65, 0x5f, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x00,
},
false,
nil,
HandshakeV10{
ProtocolVersion: byte(10),
ServerVersion: "5.5.56",
ConnectionID: uint32(1630),
AuthPlugin: "mysql_native_password",
ServerCapabilities: binary.LittleEndian.Uint32([]byte{255, 247, 15, 128}),
Salt: []byte{0x48, 0x6a, 0x5b, 0x6a, 0x24, 0x71, 0x30, 0x3a, 0x6f, 0x43, 0x40, 0x56, 0x6e, 0x4b,
0x68, 0x4a, 0x79, 0x46, 0x30, 0x5a},
},
map[uint32]bool{
ClientLongPassword: true, ClientFoundRows: true, ClientLongFlag: true,
ClientConnectWithDB: true, ClientNoSchema: true, ClientCompress: true, ClientODBC: true,
ClientLocalFiles: true, ClientIgnoreSpace: true, ClientProtocol41: true, ClientInteractive: true,
ClientSSL: false, ClientIgnoreSIGPIPE: true, ClientTransactions: true, ClientMultiStatements: true,
ClientMultiResults: true, ClientPSMultiResults: true, ClientPluginAuth: true, ClientConnectAttrs: false,
ClientPluginAuthLenEncClientData: false, ClientCanHandleExpiredPasswords: false,
ClientSessionTrack: false, ClientDeprecateEOF: false},
},
{
[]byte{
0x4a, 0x00, 0x00, 0x00, 0x0a, 0x35, 0x2e, 0x37, 0x2e, 0x31, 0x38, 0x00, 0x0f, 0x00, 0x00, 0x00,
0x15, 0x12, 0x4b, 0x1f, 0x70, 0x2b, 0x33, 0x55, 0x00, 0xff, 0xff, 0x08, 0x02, 0x00, 0xff, 0xc1,
0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x30, 0x0d, 0x0a, 0x28,
0x06, 0x4a, 0x12, 0x5e, 0x45, 0x18, 0x05, 0x00, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x5f, 0x6e, 0x61,
0x74, 0x69, 0x76, 0x65, 0x5f, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x00,
},
false,
nil,
HandshakeV10{
ProtocolVersion: byte(10),
ServerVersion: "5.7.18",
ConnectionID: uint32(15),
AuthPlugin: "mysql_native_password",
ServerCapabilities: binary.LittleEndian.Uint32([]byte{255, 255, 255, 193}),
Salt: []byte{0x15, 0x12, 0x4b, 0x1f, 0x70, 0x2b, 0x33, 0x55, 0x01, 0x30, 0x0d,
0x0a, 0x28, 0x06, 0x4a, 0x12, 0x5e, 0x45, 0x18, 0x05},
},
map[uint32]bool{
ClientLongPassword: true, ClientFoundRows: true, ClientLongFlag: true,
ClientConnectWithDB: true, ClientNoSchema: true, ClientCompress: true, ClientODBC: true,
ClientLocalFiles: true, ClientIgnoreSpace: true, ClientProtocol41: true, ClientInteractive: true,
ClientSSL: true, ClientIgnoreSIGPIPE: true, ClientTransactions: true, ClientMultiStatements: true,
ClientMultiResults: true, ClientPSMultiResults: true, ClientPluginAuth: true, ClientConnectAttrs: true,
ClientPluginAuthLenEncClientData: true, ClientCanHandleExpiredPasswords: true,
ClientSessionTrack: true, ClientDeprecateEOF: true},
},
}
for _, asserted := range testData {
decoded, err := UnpackHandshakeV10(asserted.Packet)
if err != nil {
assert.Equal(t, asserted.Error, err)
} else {
assert.Equal(t, asserted.HandshakeV10.ProtocolVersion, decoded.ProtocolVersion)
assert.Equal(t, asserted.HandshakeV10.ServerVersion, decoded.ServerVersion)
assert.Equal(t, asserted.HandshakeV10.ConnectionID, decoded.ConnectionID)
assert.Equal(t, asserted.HandshakeV10.AuthPlugin, decoded.AuthPlugin)
assert.Equal(t, asserted.HandshakeV10.Salt, decoded.Salt)
assert.Equal(t, asserted.HandshakeV10.ServerCapabilities, decoded.ServerCapabilities)
for flag, isSet := range asserted.CapabilitiesMap {
if isSet {
assert.True(t, decoded.ServerCapabilities&flag > 0)
if decoded.ServerCapabilities&flag == 0 {
println(flag)
}
} else {
assert.True(t, decoded.ServerCapabilities&flag == 0)
}
}
}
}
}
func TestPackHandshakeV10(t *testing.T) {
input := &HandshakeV10{
ProtocolVersion: byte(10),
ServerVersion: "5.5.56",
ConnectionID: uint32(1630),
AuthPlugin: "mysql_native_password",
ServerCapabilities: binary.LittleEndian.Uint32([]byte{255, 247, 15, 128}),
Salt: []byte{0x48, 0x6a, 0x5b, 0x6a, 0x24, 0x71, 0x30, 0x3a, 0x6f, 0x43, 0x40, 0x56, 0x6e, 0x4b,
0x68, 0x4a, 0x79, 0x46, 0x30, 0x5a},
}
output, err := PackHandshakeV10(input)
newInput, err := UnpackHandshakeV10(output)
assert.Equal(t, input, newInput)
assert.Equal(t, nil, err)
}
func TestUnpackHandshakeResponse41(t *testing.T) {
expected := HandshakeResponse41{
SequenceID: 1,
CapabilityFlags: uint32(33464965),
MaxPacketSize: uint32(1073741824),
ClientCharset: uint8(8),
Username: "roger",
AuthLength: int64(20),
AuthPluginName: "mysql_native_password",
AuthResponse: []byte{0xc0, 0xb, 0xbc, 0xb6, 0x6, 0xf5,
0x4f, 0x4e, 0xf4, 0x1b, 0x87, 0xc0, 0xb8, 0x89, 0xae,
0xc4, 0x49, 0x7c, 0x46, 0xf3},
Database: "",
PacketTail: []byte{0x58, 0x3, 0x5f, 0x6f, 0x73, 0xa, 0x6d, 0x61,
0x63, 0x6f, 0x73, 0x31, 0x30, 0x2e, 0x31, 0x32, 0xc, 0x5f, 0x63,
0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x8,
0x6c, 0x69, 0x62, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x4, 0x5f, 0x70,
0x69, 0x64, 0x5, 0x36, 0x36, 0x34, 0x37, 0x39, 0xf, 0x5f, 0x63,
0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69,
0x6f, 0x6e, 0x6, 0x35, 0x2e, 0x37, 0x2e, 0x32, 0x30, 0x9, 0x5f,
0x70, 0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d, 0x6, 0x78, 0x38,
0x36, 0x5f, 0x36, 0x34},
}
input := []byte{0xaa, 0x0, 0x0, 0x1, 0x85, 0xa2, 0xfe, 0x1, 0x0,
0x0, 0x0, 0x40, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x72, 0x6f, 0x67, 0x65, 0x72, 0x0, 0x14, 0xc0,
0xb, 0xbc, 0xb6, 0x6, 0xf5, 0x4f, 0x4e, 0xf4, 0x1b, 0x87, 0xc0,
0xb8, 0x89, 0xae, 0xc4, 0x49, 0x7c, 0x46, 0xf3, 0x6d, 0x79, 0x73,
0x71, 0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f, 0x70,
0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x0, 0x58, 0x3, 0x5f,
0x6f, 0x73, 0xa, 0x6d, 0x61, 0x63, 0x6f, 0x73, 0x31, 0x30, 0x2e,
0x31, 0x32, 0xc, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f,
0x6e, 0x61, 0x6d, 0x65, 0x8, 0x6c, 0x69, 0x62, 0x6d, 0x79, 0x73,
0x71, 0x6c, 0x4, 0x5f, 0x70, 0x69, 0x64, 0x5, 0x36, 0x36, 0x34,
0x37, 0x39, 0xf, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f,
0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x6, 0x35, 0x2e, 0x37,
0x2e, 0x32, 0x30, 0x9, 0x5f, 0x70, 0x6c, 0x61, 0x74, 0x66, 0x6f,
0x72, 0x6d, 0x6, 0x78, 0x38, 0x36, 0x5f, 0x36, 0x34}
output, err := UnpackHandshakeResponse41(input)
assert.Equal(t, expected, *output)
assert.Equal(t, nil, err)
}
func TestInjectCredentials(t *testing.T) {
username := "testuser" // 8
password := "testpass"
salt := []byte{0x2f, 0x50, 0x25, 0x34, 0x78, 0x17, 0x1, 0x44, 0x1d,
0xc, 0x61, 0x4f, 0x5c, 0x69, 0x65, 0x6f, 0x25, 0x66, 0x7c, 0x64}
expectedAuth := []byte{0xf, 0xf8, 0xe1, 0xa3, 0xe7, 0xe3, 0x5f, 0xd2,
0xb1, 0x69, 0x8c, 0x39, 0x5b, 0xfa, 0x99, 0x4f, 0x53, 0xdd, 0xe5,
0x35} // 20
expectedHeader := []byte{0xa2, 0x0, 0x0, 0x1}
// expectedHeader[0] = 0xaa + (8 - 14) + (20 - 20) + (21 - 23)
// test with handshake response that already has auth set to another value
handshake := HandshakeResponse41{
AuthLength: int64(20),
AuthPluginName: "caching_sha256_password", // 23
AuthResponse: []byte{0xc0, 0xb, 0xbc, 0xb6, 0x6, 0xf5, 0x4f, 0x4e,
0xf4, 0x1b, 0x87, 0xc0, 0xb8, 0x89, 0xae, 0xc4, 0x49, 0x7c, 0x46, 0xf3}, // 20
Username: "madeupusername", // 14
SequenceID: 1,
}
err := InjectCredentials("mysql_native_password", &handshake, salt, username, password)
assert.Equal(t, username, handshake.Username)
assert.Equal(t, int64(20), handshake.AuthLength)
assert.Equal(t, expectedAuth, handshake.AuthResponse)
assert.Equal(t, expectedHeader[3], handshake.SequenceID)
assert.Equal(t, nil, err)
// test with handshake response with empty auth and mysql_native_password
expectedHeader = []byte{0xb8, 0x0, 0x0, 0x1}
// expectedHeader[0] = 0xaa + (8 - 14) + (20 - 0) + (21 - 21)
handshake = HandshakeResponse41{
AuthLength: 0,
AuthPluginName: "mysql_native_password", // 21
AuthResponse: []byte{}, // 0
Username: "madeupusername", // 14
SequenceID: 1,
}
err = InjectCredentials("mysql_native_password", &handshake, salt, username, password)
assert.Equal(t, username, handshake.Username)
assert.Equal(t, int64(20), handshake.AuthLength)
assert.Equal(t, expectedAuth, handshake.AuthResponse)
assert.Equal(t, expectedHeader[3], handshake.SequenceID)
assert.Equal(t, nil, err)
}
func TestPackHandshakeResponse41(t *testing.T) {
input := &HandshakeResponse41{
SequenceID: 1,
CapabilityFlags: uint32(33464965),
MaxPacketSize: uint32(1073741824),
ClientCharset: uint8(8),
Username: "roger",
AuthLength: int64(20),
AuthResponse: []byte{0xc0, 0xb, 0xbc, 0xb6, 0x6, 0xf5,
0x4f, 0x4e, 0xf4, 0x1b, 0x87, 0xc0, 0xb8, 0x89, 0xae,
0xc4, 0x49, 0x7c, 0x46, 0xf3},
Database: "",
PacketTail: []byte{0x58, 0x3, 0x5f, 0x6f, 0x73, 0xa, 0x6d, 0x61,
0x63, 0x6f, 0x73, 0x31, 0x30, 0x2e, 0x31, 0x32, 0xc, 0x5f, 0x63,
0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x8,
0x6c, 0x69, 0x62, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x4, 0x5f, 0x70,
0x69, 0x64, 0x5, 0x36, 0x36, 0x34, 0x37, 0x39, 0xf, 0x5f, 0x63,
0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69,
0x6f, 0x6e, 0x6, 0x35, 0x2e, 0x37, 0x2e, 0x32, 0x30, 0x9, 0x5f,
0x70, 0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d, 0x6, 0x78, 0x38,
0x36, 0x5f, 0x36, 0x34},
}
output, err := PackHandshakeResponse41(input)
newInput, err := UnpackHandshakeResponse41(output)
assert.Equal(t, input, newInput)
assert.Equal(t, nil, err)
}
func TestGetLenEncodedIntegerSize(t *testing.T) {
inputArray := []byte{0xfc, 0xfd, 0xfe, 0xfb}
expectedArray := []byte{2, 3, 8, 1}
for k, v := range inputArray {
output := GetLenEncodedIntegerSize(v)
assert.Equal(t, expectedArray[k], output)
}
}
func TestReadLenEncodedInteger(t *testing.T) {
expected := uint64(251)
input := bytes.NewReader([]byte{0xfc, 0xfb, 0x00})
output, err := ReadLenEncodedInteger(input)
assert.Equal(t, expected, output)
assert.Equal(t, nil, err)
}
func TestReadLenEncodedString(t *testing.T) {
expected := "ABCDEFGHIKLMONPQRSTYW"
packet := bytes.NewReader([]byte{
0x15, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4b, 0x4c, 0x4d, 0x4f, 0x4e, 0x50,
0x51, 0x52, 0x53, 0x54, 0x59, 0x57})
decoded, length, err := ReadLenEncodedString(packet)
assert.Equal(t, expected, decoded)
assert.Equal(t, len(expected), int(length))
assert.Equal(t, nil, err)
}
func TestReadEOFLengthString(t *testing.T) {
expected := "SET sql_mode='STRICT_TRANS_TABLES'"
encoded := []byte{
0x53, 0x45, 0x54, 0x20, 0x73, 0x71, 0x6c, 0x5f, 0x6d, 0x6f, 0x64, 0x65, 0x3d, 0x27, 0x53, 0x54, 0x52,
0x49, 0x43, 0x54, 0x5f, 0x54, 0x52, 0x41, 0x4e, 0x53, 0x5f, 0x54, 0x41, 0x42, 0x4c, 0x45, 0x53, 0x27,
}
decoded := ReadEOFLengthString(encoded)
assert.Equal(t, expected, decoded)
}
func TestReadNullTerminatedString(t *testing.T) {
x := bytes.NewReader([]byte{0x35, 0x2e, 0x37, 0x2e, 0x31, 0x38, 0x00})
assert.Equal(t, "5.7.18", ReadNullTerminatedString(x))
}
func TestReadNullTerminatedBytes(t *testing.T) {
input := bytes.NewReader([]byte{0x1d, 0xc, 0x61, 0x4f, 0x5c, 0x69,
0x65, 0x6f, 0x25, 0x66, 0x7c, 0x64, 0x0, 0x6d, 0x79, 0x73, 0x71,
0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f, 0x70, 0x61,
0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x0})
expected := []byte{0x1d, 0xc, 0x61, 0x4f, 0x5c, 0x69, 0x65, 0x6f,
0x25, 0x66, 0x7c, 0x64}
output := ReadNullTerminatedBytes(input)
assert.Equal(t, expected, output)
}
func TestGetPacketHeader(t *testing.T) {
input := bytes.NewReader([]byte{0x4a, 0x0, 0x0, 0x0, 0xa, 0x35, 0x2e,
0x37, 0x2e, 0x32, 0x31, 0x0, 0x38, 0x9, 0x0, 0x0, 0x2f, 0x50, 0x25,
0x34, 0x78, 0x17, 0x1, 0x44, 0x0, 0xff, 0xff, 0x8, 0x2, 0x0,
0xff, 0xc1, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x1d, 0xc, 0x61, 0x4f, 0x5c, 0x69, 0x65, 0x6f, 0x25, 0x66,
0x7c, 0x64, 0x0, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x5f, 0x6e, 0x61,
0x74, 0x69, 0x76, 0x65, 0x5f, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f,
0x72, 0x64, 0x0})
expected := []byte{0x4a, 0x0, 0x0, 0x0}
output, err := GetPacketHeader(input)
assert.Equal(t, expected, output)
assert.Equal(t, nil, err)
}
func TestCheckPacketLength(t *testing.T) {
inputLength := 4
inputPacket := []byte{0xf, 0xf8, 0xe1, 0xa3}
err := CheckPacketLength(inputLength, inputPacket)
assert.Equal(t, nil, err)
}
func TestNativePassword(t *testing.T) {
expected := []byte{0xf, 0xf8, 0xe1, 0xa3, 0xe7, 0xe3, 0x5f, 0xd2, 0xb1, 0x69,
0x8c, 0x39, 0x5b, 0xfa, 0x99, 0x4f, 0x53, 0xdd, 0xe5, 0x35}
inputPassword := "testpass"
inputSalt := []byte{0x2f, 0x50, 0x25, 0x34, 0x78, 0x17, 0x1, 0x44,
0x1d, 0xc, 0x61, 0x4f, 0x5c, 0x69, 0x65, 0x6f, 0x25, 0x66, 0x7c, 0x64}
output, err := NativePassword([]byte(inputPassword), inputSalt)
assert.Equal(t, expected, output)
assert.Equal(t, nil, err)
}
func TestCreateAuthResponse(t *testing.T) {
testCases := []struct {
authPlugin string
password []byte
salt []byte
expectedLen int
expectErr bool
}{
{
authPlugin: "mysql_native_password",
password: []byte("password"),
salt: []byte("salt"),
expectedLen: 20,
},
{
authPlugin: "caching_sha2_password",
password: []byte("password"),
salt: []byte("salt"),
expectedLen: 32,
},
{
authPlugin: "unknown_auth_plugin",
password: []byte("password"),
salt: []byte("salt"),
expectErr: true,
},
}
for _, tc := range testCases {
actual, err := CreateAuthResponse(tc.authPlugin, tc.password, tc.salt)
if tc.expectErr {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, tc.expectedLen, len(actual))
}
}
}
func TestUnpackAuthSwitchRequest(t *testing.T) {
testCases := []struct {
name string
input []byte
expectedError string
expectedReq *AuthSwitchRequest
}{
{
name: "valid AuthSwitchRequest packet",
input: []byte{
0x02, 0x00, 0x00, 0x01, // Header
0x01, 0x70, 0x6c, 0x75, 0x67, 0x69, 0x6e, 0x00, // Plugin name ("plugin")
0x01, 0x02, 0x03, // Plugin data
},
expectedReq: &AuthSwitchRequest{
SequenceNumber: 1,
PluginName: "plugin",
PluginData: []byte{0x01, 0x02, 0x03},
},
},
{
name: "missing plugin name",
input: []byte{0x00, 0x00, 0x00, 0x01},
expectedError: "Invalid AuthSwitchRequest packet: Missing plugin name",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
req, err := UnpackAuthSwitchRequest(tc.input)
if tc.expectedError != "" {
assert.EqualError(t, err, tc.expectedError)
assert.Nil(t, req)
} else {
assert.NoError(t, err)
assert.NotNil(t, req)
assert.Equal(t, tc.expectedReq.SequenceNumber, req.SequenceNumber)
assert.Equal(t, tc.expectedReq.PluginName, req.PluginName)
assert.Equal(t, tc.expectedReq.PluginData, req.PluginData)
}
})
}
}
func TestUnpackAuthRequestPubKeyResponse(t *testing.T) {
// Generate a test RSA public key
testPubKey, _ := rsa.GenerateKey(rand.Reader, 256)
testPubKeyBytes, _ := x509.MarshalPKIXPublicKey(&testPubKey.PublicKey)
testPubKeyPem := pem.EncodeToMemory(&pem.Block{
Type: "RSA PUBLIC KEY",
Bytes: testPubKeyBytes,
})
testPubKeyBytes = append([]byte{0x02, 0x00, 0x00, 0x04, 0x01}, testPubKeyPem...)
testCases := []struct {
name string
input []byte
expectedError string
expectedResp *rsa.PublicKey
}{
{
name: "valid AuthRequestPubKeyResponse packet",
input: testPubKeyBytes,
expectedResp: &testPubKey.PublicKey,
},
{
name: "missing RSA public key",
input: []byte{0x02, 0x00, 0x00, 0x04, 0x01},
expectedError: "no pem data found, data: ",
},
{
name: "invalid RSA public key",
input: []byte{0x02, 0x00, 0x00, 0x04, 0x01, 0x01, 0x02},
expectedError: "no pem data found, data: \x01\x02",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
resp, err := UnpackAuthRequestPubKeyResponse(tc.input)
if tc.expectedError != "" {
assert.EqualError(t, err, tc.expectedError)
assert.Nil(t, resp)
} else {
assert.NoError(t, err)
assert.NotNil(t, resp)
assert.EqualValues(t, tc.expectedResp, resp)
}
})
}
}
func TestPackAuthSwitchResponse(t *testing.T) {
data := []byte{0x01, 0x02, 0x03}
seqID := uint8(9)
expected := []byte{
0x03, 0x00, 0x00, 0x09, // Header (including sequence number)
0x01, 0x02, 0x03, // Data
}
output, err := PackAuthSwitchResponse(seqID, data)
assert.NoError(t, err)
assert.Equal(t, expected, output)
}
func TestUnpackAuthMoreDataResponse(t *testing.T) {
testCases := []struct {
name string
input []byte
expectedError string
expectedResp *AuthMoreDataResponse
}{
{
name: "valid AuthMoreDataResponse packet",
input: []byte{0x01, 0x00, 0x00, 0x09, 0x01, 0x04},
expectedResp: &AuthMoreDataResponse{
SequenceID: 9,
PacketType: 1,
StatusTag: 4,
},
},
{
name: "missing data",
input: []byte{0x01, 0x00, 0x00, 0x09},
expectedError: ErrInvalidPacketLength.Error(),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
resp, err := UnpackAuthMoreDataResponse(tc.input)
if tc.expectedError != "" {
assert.EqualError(t, err, tc.expectedError)
assert.Nil(t, resp)
} else {
assert.NoError(t, err)
assert.NotNil(t, resp)
assert.Equal(t, tc.expectedResp, resp)
}
})
}
}