protocol

package
v1.0.4 Latest Latest
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 Go to latest Published: Mar 18, 2021 License: Apache-2.0 Imports: 21 Imported by: 2

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Constants

View Source 
const (
	MajorVersion = 0x0
	MinorVersion = 0x0
	Version      = 0x00
)
View Source 
const (
	MethodRDGIN  = "RDG_IN_DATA"
	MethodRDGOUT = "RDG_OUT_DATA"
)
View Source 
const (
	PKT_TYPE_HANDSHAKE_REQUEST      = 0x1
	PKT_TYPE_HANDSHAKE_RESPONSE     = 0x2
	PKT_TYPE_EXTENDED_AUTH_MSG      = 0x3
	PKT_TYPE_TUNNEL_CREATE          = 0x4
	PKT_TYPE_TUNNEL_RESPONSE        = 0x5
	PKT_TYPE_TUNNEL_AUTH            = 0x6
	PKT_TYPE_TUNNEL_AUTH_RESPONSE   = 0x7
	PKT_TYPE_CHANNEL_CREATE         = 0x8
	PKT_TYPE_CHANNEL_RESPONSE       = 0x9
	PKT_TYPE_DATA                   = 0xA
	PKT_TYPE_SERVICE_MESSAGE        = 0xB
	PKT_TYPE_REAUTH_MESSAGE         = 0xC
	PKT_TYPE_KEEPALIVE              = 0xD
	PKT_TYPE_CLOSE_CHANNEL          = 0x10
	PKT_TYPE_CLOSE_CHANNEL_RESPONSE = 0x11
)
View Source 
const (
	HTTP_TUNNEL_RESPONSE_FIELD_TUNNEL_ID   = 0x01
	HTTP_TUNNEL_RESPONSE_FIELD_CAPS        = 0x02
	HTTP_TUNNEL_RESPONSE_FIELD_SOH_REQ     = 0x04
	HTTP_TUNNEL_RESPONSE_FIELD_CONSENT_MSG = 0x10
)
View Source 
const (
	HTTP_EXTENDED_AUTH_NONE      = 0x0
	HTTP_EXTENDED_AUTH_SC        = 0x1  /* Smart card authentication. */
	HTTP_EXTENDED_AUTH_PAA       = 0x02 /* Pluggable authentication. */
	HTTP_EXTENDED_AUTH_SSPI_NTLM = 0x04 /* NTLM extended authentication. */
)
View Source 
const (
	HTTP_TUNNEL_AUTH_RESPONSE_FIELD_REDIR_FLAGS  = 0x01
	HTTP_TUNNEL_AUTH_RESPONSE_FIELD_IDLE_TIMEOUT = 0x02
	HTTP_TUNNEL_AUTH_RESPONSE_FIELD_SOH_RESPONSE = 0x04
)
View Source 
const (
	HTTP_TUNNEL_REDIR_ENABLE_ALL        = 0x80000000
	HTTP_TUNNEL_REDIR_DISABLE_ALL       = 0x40000000
	HTTP_TUNNEL_REDIR_DISABLE_DRIVE     = 0x01
	HTTP_TUNNEL_REDIR_DISABLE_PRINTER   = 0x02
	HTTP_TUNNEL_REDIR_DISABLE_PORT      = 0x04
	HTTP_TUNNEL_REDIR_DISABLE_CLIPBOARD = 0x08
	HTTP_TUNNEL_REDIR_DISABLE_PNP       = 0x10
)
View Source 
const (
	HTTP_CHANNEL_RESPONSE_FIELD_CHANNELID   = 0x01
	HTTP_CHANNEL_RESPONSE_FIELD_AUTHNCOOKIE = 0x02
	HTTP_CHANNEL_RESPONSE_FIELD_UDPPORT     = 0x04
)
View Source 
const (
	SERVER_STATE_INITIAL          = 0x0
	SERVER_STATE_HANDSHAKE        = 0x1
	SERVER_STATE_TUNNEL_CREATE    = 0x2
	SERVER_STATE_TUNNEL_AUTHORIZE = 0x3
	SERVER_STATE_CHANNEL_CREATE   = 0x4
	SERVER_STATE_OPENED           = 0x5
	SERVER_STATE_CLOSED           = 0x6
)
View Source 
const (
	HTTP_CAPABILITY_TYPE_QUAR_SOH          = 0x1
	HTTP_CAPABILITY_IDLE_TIMEOUT           = 0x2
	HTTP_CAPABILITY_MESSAGING_CONSENT_SIGN = 0x4
	HTTP_CAPABILITY_MESSAGING_SERVICE_MSG  = 0x8
	HTTP_CAPABILITY_REAUTH                 = 0x10
	HTTP_CAPABILITY_UDP_TRANSPORT          = 0x20
)
View Source 
const (
	HTTP_TUNNEL_PACKET_FIELD_PAA_COOKIE = 0x1
)

Variables

This section is empty.

Functions

func DecodeUTF16 

func DecodeUTF16(b []byte) (string, error)

func EncodeUTF16 

func EncodeUTF16(s string) []byte

Types

type ClientConfig 

type ClientConfig struct {
	SmartCardAuth bool
	PAAToken      string
	NTLMAuth      bool
	Session       *SessionInfo
	LocalConn     net.Conn
	Server        string
	Port          int
	Name          string
}

func (*ClientConfig) ConnectAndForward 

func (c *ClientConfig) ConnectAndForward() error

type Gateway 

type Gateway struct {
	ServerConf *ServerConf
}

func (*Gateway) HandleGatewayProtocol 

func (g *Gateway) HandleGatewayProtocol(w http.ResponseWriter, r *http.Request)

type RedirectFlags 

type RedirectFlags struct {
	Clipboard  bool
	Port       bool
	Drive      bool
	Printer    bool
	Pnp        bool
	DisableAll bool
	EnableAll  bool
}

type Server 

type Server struct {
	Session              *SessionInfo
	VerifyTunnelCreate   VerifyTunnelCreate
	VerifyTunnelAuthFunc VerifyTunnelAuthFunc
	VerifyServerFunc     VerifyServerFunc
	RedirectFlags        int
	IdleTimeout          int
	SmartCardAuth        bool
	TokenAuth            bool
	ClientName           string
	Remote               net.Conn
	State                int
}

func NewServer 

func NewServer(s *SessionInfo, conf *ServerConf) *Server

func (*Server) Process 

func (s *Server) Process(ctx context.Context) error

type ServerConf 

type ServerConf struct {
	VerifyTunnelCreate   VerifyTunnelCreate
	VerifyTunnelAuthFunc VerifyTunnelAuthFunc
	VerifyServerFunc     VerifyServerFunc
	RedirectFlags        RedirectFlags
	IdleTimeout          int
	SmartCardAuth        bool
	TokenAuth            bool
	ReceiveBuf           int
	SendBuf              int
}

type SessionInfo 

type SessionInfo struct {
	// The connection-id (RDG-ConnID) as reported by the client
	ConnId string
	// The underlying incoming transport being either websocket or legacy http
	// in case of websocket TransportOut will equal TransportIn
	TransportIn transport.Transport
	// The underlying outgoing transport being either websocket or legacy http
	// in case of websocket TransportOut will equal TransportOut
	TransportOut transport.Transport
	// The remote desktop server (rdp, vnc etc) the clients intends to connect to
	RemoteServer string
	// The obtained client ip address
	ClientIp string
}

type VerifyServerFunc 

type VerifyServerFunc func(context.Context, string) (bool, error)

type VerifyTunnelAuthFunc 

type VerifyTunnelAuthFunc func(context.Context, string) (bool, error)

type VerifyTunnelCreate 

type VerifyTunnelCreate func(context.Context, string) (bool, error)

Source Files

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