feature: Adds basic data command support.

backend/sshappbackend/datacommands/constants.go

@@ -0,0 +1,103 @@
+package datacommands
+
+type ProxyStatusRequest struct {
+	Type    string
+	ProxyID uint16
+}
+
+type ProxyStatusResponse struct {
+	Type     string
+	ProxyID  uint16
+	IsActive bool
+}
+
+type RemoveProxy struct {
+	Type    string
+	ProxyID uint16
+}
+
+type ProxyInstanceResponse struct {
+	Type    string
+	Proxies []uint16
+}
+
+type ProxyConnectionsRequest struct {
+	Type    string
+	ProxyID uint16
+}
+
+type ProxyConnectionsResponse struct {
+	Type        string
+	Connections []uint16
+}
+
+type TCPConnectionOpened struct {
+	Type         string
+	ProxyID      uint16
+	ConnectionID uint16
+}
+
+type TCPConnectionClosed struct {
+	Type         string
+	ProxyID      uint16
+	ConnectionID uint16
+}
+
+type TCPProxyData struct {
+	Type         string
+	ProxyID      uint16
+	ConnectionID uint16
+	DataLength   uint16
+}
+
+type UDPProxyData struct {
+	Type       string
+	ProxyID    uint16
+	ClientIP   string
+	ClientPort uint16
+	DataLength uint16
+}
+
+type ProxyInformationRequest struct {
+	Type    string
+	ProxyID uint16
+}
+
+type ProxyInformationResponse struct {
+	Type       string
+	Exists     bool
+	SourceIP   string
+	SourcePort uint16
+	DestPort   uint16
+	Protocol   string // Will be either 'tcp' or 'udp'
+}
+
+type ProxyConnectionInformationRequest struct {
+	Type         string
+	ProxyID      uint16
+	ConnectionID uint16
+}
+
+type ProxyConnectionInformationResponse struct {
+	Type       string
+	Exists     bool
+	ClientIP   string
+	ClientPort uint16
+}
+
+const (
+	ProxyStatusRequestID = iota + 100
+	ProxyStatusResponseID
+	RemoveProxyID
+	ProxyInstanceResponseID
+	ProxyConnectionsRequestID
+	ProxyConnectionsResponseID
+	TCPConnectionOpenedID
+	TCPConnectionClosedID
+	TCPProxyDataID
+	UDPProxyDataID
+	ProxyInformationRequestID
+	ProxyInformationResponseID
+	ProxyConnectionInformationRequestID
+	ProxyConnectionInformationResponseID
+)