Files
fscan/plugins/services/mysql_test.go
T

88 lines
2.5 KiB
Go

//go:build plugin_mysql || !plugin_selective
package services
import (
"io"
"net"
"strings"
"testing"
"time"
"github.com/go-sql-driver/mysql"
"github.com/shadow1ng/fscan/common"
)
type chunkedMySQLConn struct {
data []byte
chunkSize int
}
func (c *chunkedMySQLConn) Read(p []byte) (int, error) {
if len(c.data) == 0 {
return 0, io.EOF
}
n := len(c.data)
if c.chunkSize > 0 && n > c.chunkSize {
n = c.chunkSize
}
if n > len(p) {
n = len(p)
}
copy(p, c.data[:n])
c.data = c.data[n:]
return n, nil
}
func (c *chunkedMySQLConn) Write([]byte) (int, error) { return 0, nil }
func (c *chunkedMySQLConn) Close() error { return nil }
func (c *chunkedMySQLConn) LocalAddr() net.Addr { return nil }
func (c *chunkedMySQLConn) RemoteAddr() net.Addr { return nil }
func (c *chunkedMySQLConn) SetDeadline(time.Time) error { return nil }
func (c *chunkedMySQLConn) SetReadDeadline(time.Time) error { return nil }
func (c *chunkedMySQLConn) SetWriteDeadline(time.Time) error {
return nil
}
func TestReadMySQLBannerHandlesChunkedHandshake(t *testing.T) {
data := []byte{0x2a, 0x00, 0x00, 0x00, 0x0a}
data = append(data, []byte("8.0.36\x00")...)
got := NewMySQLPlugin().readMySQLBanner(&chunkedMySQLConn{data: data, chunkSize: 1}, &common.Config{Timeout: time.Second})
if got != "MySQL 8.0.36" {
t.Fatalf("readMySQLBanner() = %q, want MySQL 8.0.36", got)
}
}
func TestMySQLConnStringEscapesCredentialsAndIPv6(t *testing.T) {
info := &common.HostInfo{Host: "2001:db8::1", Port: 3306}
got, err := mySQLConnString("user", "pa:ss@/word", info, 3*time.Second)
if err != nil {
t.Fatalf("mySQLConnString() error = %v", err)
}
for _, want := range []string{
"user:pa:ss@/word@tcp([2001:db8::1]:3306)/information_schema",
"charset=utf8",
"timeout=3s",
} {
if !strings.Contains(got, want) {
t.Fatalf("mySQLConnString() = %q, missing %q", got, want)
}
}
cfg, err := mysql.ParseDSN(got)
if err != nil {
t.Fatalf("mysql.ParseDSN() error = %v", err)
}
if cfg.User != "user" || cfg.Passwd != "pa:ss@/word" || cfg.Addr != "[2001:db8::1]:3306" {
t.Fatalf("parsed DSN user/pass/addr = %q/%q/%q", cfg.User, cfg.Passwd, cfg.Addr)
}
}
func TestMySQLConnStringRejectsUnsupportedUsernameDelimiters(t *testing.T) {
info := &common.HostInfo{Host: "127.0.0.1", Port: 3306}
if _, err := mySQLConnString("user:name", "pass", info, time.Second); err == nil {
t.Fatal("mySQLConnString() error = nil, want unsupported delimiter error")
}
}