Files
dpi/protocol/detect_mysql_test.go
2025-10-09 15:37:17 +02:00

80 lines
2.3 KiB
Go

package protocol
import (
"testing"
)
func TestDetectMySQL(t *testing.T) {
atomicFormats.Store([]format{{Server, "\x0a", detectMySQL}})
// 1. A valid MySQL 8.0 banner
mysql8Banner := []byte{
0x0a, 0x38, 0x2e, 0x30, 0x2e, 0x33, 0x32, 0x00, 0x0d, 0x00, 0x00, 0x00,
0x04, 0x5a, 0x56, 0x5f, 0x3e, 0x6e, 0x76, 0x27, 0x00, 0xff, 0xff, 0xff,
0x02, 0x00, 0xff, 0xc7, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x63, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x67, 0x5f, 0x73,
0x68, 0x61, 0x32, 0x5f, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64,
0x00,
}
// 2. A valid MariaDB banner (protocol-compatible)
mariaDBBanner := []byte{
0x0a, 0x35, 0x2e, 0x35, 0x2e, 0x35, 0x2d, 0x31, 0x30, 0x2e, 0x36, 0x2e,
0x35, 0x2d, 0x4d, 0x61, 0x72, 0x69, 0x61, 0x44, 0x42, 0x2d, 0x6c, 0x6f,
0x67, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x4e, 0x5c, 0x32, 0x7b, 0x45, 0x3b,
0x40, 0x60, 0x00, 0xff, 0xf7, 0x08, 0x02, 0x00, 0xff, 0x81, 0x15, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6d, 0x79, 0x73,
0x71, 0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f, 0x70, 0x61,
0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x00,
}
// 3. An invalid banner (e.g., an HTTP request)
httpBanner := []byte("GET / HTTP/1.1\r\nHost: example.com\r\n\r\n")
// 4. A short, invalid slice
shortSlice := []byte{0x0a, 0x31, 0x32, 0x33}
// 5. A slice that starts correctly but is malformed (no null terminator)
malformedSlice := []byte{0x0a, 0x38, 0x2e, 0x30, 0x2e, 0x30, 0x01, 0x02, 0x03, 0x04, 0x05}
testRunner(t, []*testCase{
{
Name: "MySQL server",
Direction: Server,
Data: mysql8Banner,
SrcPort: 3306,
WantProto: ProtocolMySQL,
WantConfidence: .85,
},
{
Name: "MariaDB server",
Direction: Server,
Data: mariaDBBanner,
SrcPort: 3306,
WantProto: ProtocolMySQL,
WantConfidence: .85,
},
{
Name: "Invalid HTTP",
Direction: Server,
Data: httpBanner,
SrcPort: 80,
WantError: ErrUnknown,
},
{
Name: "Invalid too short",
Direction: Server,
Data: shortSlice,
SrcPort: 3306,
WantError: ErrUnknown,
},
{
Name: "Invalid malformed",
Direction: Server,
Data: malformedSlice,
SrcPort: 3306,
WantError: ErrUnknown,
},
})
}