// Copyright 2016 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"bufio"
"bytes"
"encoding/binary"
"github.com/hanchuanchuan/goInception/mysql"
. "github.com/pingcap/check"
)
type ConnTestSuite struct{}
var _ = Suite(ConnTestSuite{})
func (ts ConnTestSuite) TestMalformHandshakeHeader(c *C) {
c.Parallel()
data := []byte{0x00}
var p handshakeResponse41
_, err := parseHandshakeResponseHeader(&p, data)
c.Assert(err, NotNil)
}
func (ts ConnTestSuite) TestParseHandshakeResponse(c *C) {
c.Parallel()
// test data from http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::HandshakeResponse41
data := []byte{
0x85, 0xa2, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x40, 0x08, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x72, 0x6f, 0x6f, 0x74, 0x00, 0x14, 0x22, 0x50, 0x79, 0xa2, 0x12, 0xd4,
0xe8, 0x82, 0xe5, 0xb3, 0xf4, 0x1a, 0x97, 0x75, 0x6b, 0xc8, 0xbe, 0xdb, 0x9f, 0x80, 0x6d, 0x79,
0x73, 0x71, 0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f, 0x70, 0x61, 0x73, 0x73, 0x77,
0x6f, 0x72, 0x64, 0x00, 0x61, 0x03, 0x5f, 0x6f, 0x73, 0x09, 0x64, 0x65, 0x62, 0x69, 0x61, 0x6e,
0x36, 0x2e, 0x30, 0x0c, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65,
0x08, 0x6c, 0x69, 0x62, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x04, 0x5f, 0x70, 0x69, 0x64, 0x05, 0x32,
0x32, 0x33, 0x34, 0x34, 0x0f, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x76, 0x65, 0x72,
0x73, 0x69, 0x6f, 0x6e, 0x08, 0x35, 0x2e, 0x36, 0x2e, 0x36, 0x2d, 0x6d, 0x39, 0x09, 0x5f, 0x70,
0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d, 0x06, 0x78, 0x38, 0x36, 0x5f, 0x36, 0x34, 0x03, 0x66,
0x6f, 0x6f, 0x03, 0x62, 0x61, 0x72,
}
var p handshakeResponse41
offset, err := parseHandshakeResponseHeader(&p, data)
c.Assert(err, IsNil)
c.Assert(p.Capability&mysql.ClientConnectAtts, Equals, mysql.ClientConnectAtts)
err = parseHandshakeResponseBody(&p, data, offset)
c.Assert(err, IsNil)
eq := mapIdentical(p.Attrs, map[string]string{
"_client_version": "5.6.6-m9",
"_platform": "x86_64",
"foo": "bar",
"_os": "debian6.0",
"_client_name": "libmysql",
"_pid": "22344"})
c.Assert(eq, IsTrue)
data = []byte{
0x8d, 0xa6, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x01, 0x08, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x70, 0x61, 0x6d, 0x00, 0x14, 0xab, 0x09, 0xee, 0xf6, 0xbc, 0xb1, 0x32,
0x3e, 0x61, 0x14, 0x38, 0x65, 0xc0, 0x99, 0x1d, 0x95, 0x7d, 0x75, 0xd4, 0x47, 0x74, 0x65, 0x73,
0x74, 0x00, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f, 0x70,
0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x00,
}
p = handshakeResponse41{}
offset, err = parseHandshakeResponseHeader(&p, data)
c.Assert(err, IsNil)
capability := mysql.ClientProtocol41 |
mysql.ClientPluginAuth |
mysql.ClientSecureConnection |
mysql.ClientConnectWithDB
c.Assert(p.Capability&capability, Equals, capability)
err = parseHandshakeResponseBody(&p, data, offset)
c.Assert(err, IsNil)
c.Assert(p.User, Equals, "pam")
c.Assert(p.DBName, Equals, "test")
}
func (ts ConnTestSuite) TestIssue1768(c *C) {
c.Parallel()
// this data is from captured handshake packet, using mysql client.
// TiDB should handle authorization correctly, even mysql client set
// the ClientPluginAuthLenencClientData capability.
data := []byte{
0x85, 0xa6, 0xff, 0x01, 0x00, 0x00, 0x00, 0x01, 0x21, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x74, 0x65, 0x73, 0x74, 0x00, 0x14, 0xe9, 0x7a, 0x2b, 0xec, 0x4a, 0xa8,
0xea, 0x67, 0x8a, 0xc2, 0x46, 0x4d, 0x32, 0xa4, 0xda, 0x39, 0x77, 0xe5, 0x61, 0x1a, 0x65, 0x03,
0x5f, 0x6f, 0x73, 0x05, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x0c, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e,
0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x08, 0x6c, 0x69, 0x62, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x04,
0x5f, 0x70, 0x69, 0x64, 0x04, 0x39, 0x30, 0x33, 0x30, 0x0f, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e,
0x74, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x06, 0x35, 0x2e, 0x37, 0x2e, 0x31, 0x34,
0x09, 0x5f, 0x70, 0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d, 0x06, 0x78, 0x38, 0x36, 0x5f, 0x36,
0x34, 0x0c, 0x70, 0x72, 0x6f, 0x67, 0x72, 0x61, 0x6d, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x05, 0x6d,
0x79, 0x73, 0x71, 0x6c,
}
p := handshakeResponse41{}
offset, err := parseHandshakeResponseHeader(&p, data)
c.Assert(err, IsNil)
c.Assert(p.Capability&mysql.ClientPluginAuthLenencClientData, Equals, mysql.ClientPluginAuthLenencClientData)
err = parseHandshakeResponseBody(&p, data, offset)
c.Assert(err, IsNil)
c.Assert(len(p.Auth) > 0, IsTrue)
}
func (ts ConnTestSuite) TestInitialHandshake(c *C) {
c.Parallel()
var outBuffer bytes.Buffer
cc := &clientConn{
connectionID: 1,
salt: []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14},
server: &Server{
capability: defaultCapability,
},
pkt: &packetIO{
bufWriter: bufio.NewWriter(&outBuffer),
},
}
err := cc.writeInitialHandshake()
c.Assert(err, IsNil)
expected := new(bytes.Buffer)
expected.WriteByte(0x0a) // Protocol
expected.WriteString(mysql.ServerVersion) // Version
expected.WriteByte(0x00) // NULL
binary.Write(expected, binary.LittleEndian, uint32(1)) // Connection ID
expected.Write([]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x00}) // Salt
binary.Write(expected, binary.LittleEndian, uint16(defaultCapability&0xFFFF)) // Server Capability
expected.WriteByte(uint8(mysql.DefaultCollationID)) // Server Language
binary.Write(expected, binary.LittleEndian, mysql.ServerStatusAutocommit) // Server Status
binary.Write(expected, binary.LittleEndian, uint16((defaultCapability>>16)&0xFFFF)) // Extended Server Capability
expected.WriteByte(0x15) // Authentication Plugin Length
expected.Write([]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}) // Unused
expected.Write([]byte{0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x00}) // Salt
expected.WriteString("mysql_native_password") // Authentication Plugin
expected.WriteByte(0x00) // NULL
c.Assert(outBuffer.Bytes()[4:], DeepEquals, expected.Bytes())
}
func mapIdentical(m1, m2 map[string]string) bool {
return mapBelong(m1, m2) && mapBelong(m2, m1)
}
func mapBelong(m1, m2 map[string]string) bool {
for k1, v1 := range m1 {
v2, ok := m2[k1]
if !ok && v1 != v2 {
return false
}
}
return true
}