zgrab2/modules/tls.go

81 lines
1.6 KiB
Go

package modules
import (
log "github.com/sirupsen/logrus"
"github.com/zmap/zgrab2"
)
type TLSFlags struct {
zgrab2.BaseFlags
zgrab2.TLSFlags
}
type TLSModule struct {
}
type TLSScanner struct {
config *TLSFlags
}
func init() {
var tlsModule TLSModule
_, err := zgrab2.AddCommand("tls", "TLS Banner Grab", "Grab banner over TLS", 443, &tlsModule)
if err != nil {
log.Fatal(err)
}
}
func (m *TLSModule) NewFlags() interface{} {
return new(TLSFlags)
}
func (m *TLSModule) NewScanner() zgrab2.Scanner {
return new(TLSScanner)
}
func (f *TLSFlags) Validate(args []string) error {
return nil
}
func (f *TLSFlags) Help() string {
return ""
}
func (s *TLSScanner) Init(flags zgrab2.ScanFlags) error {
f, ok := flags.(*TLSFlags)
if !ok {
return zgrab2.ErrMismatchedFlags
}
s.config = f
return nil
}
func (s *TLSScanner) GetName() string {
return s.config.Name
}
func (s *TLSScanner) InitPerSender(senderID int) error {
return nil
}
func (s *TLSScanner) Scan(t zgrab2.ScanTarget) (zgrab2.ScanStatus, interface{}, error) {
tcpConn, err := t.Open(&s.config.BaseFlags)
if err != nil {
return zgrab2.TryGetScanStatus(err), &zgrab2.TLSLog{}, err
}
var conn *zgrab2.TLSConnection
if conn, err = s.config.TLSFlags.GetTLSConnection(tcpConn); err != nil {
return zgrab2.TryGetScanStatus(err), &zgrab2.TLSLog{}, err
}
result := conn.GetLog()
if err = conn.Handshake(); err != nil {
return zgrab2.TryGetScanStatus(err), result, err
}
return zgrab2.SCAN_SUCCESS, result, nil
}
// Protocol returns the protocol identifer for the scanner.
func (s *TLSScanner) Protocol() string {
return "tls"
}