mcs.h

 
#ifndef FREERDP_LIB_CORE_MCS_H
#define FREERDP_LIB_CORE_MCS_H
 
typedef struct rdp_mcs rdpMcs;
 
#include "transport.h"
 
#include <freerdp/crypto/ber.h>
#include <freerdp/api.h>
#include <freerdp/types.h>
 
#include <winpr/stream.h>
#include <winpr/wtsapi.h>
 
enum MCS_Result
{
  MCS_Result_successful = 0,
  MCS_Result_domain_merging = 1,
  MCS_Result_domain_not_hierarchical = 2,
  MCS_Result_no_such_channel = 3,
  MCS_Result_no_such_domain = 4,
  MCS_Result_no_such_user = 5,
  MCS_Result_not_admitted = 6,
  MCS_Result_other_user_id = 7,
  MCS_Result_parameters_unacceptable = 8,
  MCS_Result_token_not_available = 9,
  MCS_Result_token_not_possessed = 10,
  MCS_Result_too_many_channels = 11,
  MCS_Result_too_many_tokens = 12,
  MCS_Result_too_many_users = 13,
  MCS_Result_unspecified_failure = 14,
  MCS_Result_user_rejected = 15,
  MCS_Result_enum_length = 16
};
 
typedef enum
{
  DomainMCSPDU_invalid = -1,
  DomainMCSPDU_PlumbDomainIndication = 0,
  DomainMCSPDU_ErectDomainRequest = 1,
  DomainMCSPDU_MergeChannelsRequest = 2,
  DomainMCSPDU_MergeChannelsConfirm = 3,
  DomainMCSPDU_PurgeChannelsIndication = 4,
  DomainMCSPDU_MergeTokensRequest = 5,
  DomainMCSPDU_MergeTokensConfirm = 6,
  DomainMCSPDU_PurgeTokensIndication = 7,
  DomainMCSPDU_DisconnectProviderUltimatum = 8,
  DomainMCSPDU_RejectMCSPDUUltimatum = 9,
  DomainMCSPDU_AttachUserRequest = 10,
  DomainMCSPDU_AttachUserConfirm = 11,
  DomainMCSPDU_DetachUserRequest = 12,
  DomainMCSPDU_DetachUserIndication = 13,
  DomainMCSPDU_ChannelJoinRequest = 14,
  DomainMCSPDU_ChannelJoinConfirm = 15,
  DomainMCSPDU_ChannelLeaveRequest = 16,
  DomainMCSPDU_ChannelConveneRequest = 17,
  DomainMCSPDU_ChannelConveneConfirm = 18,
  DomainMCSPDU_ChannelDisbandRequest = 19,
  DomainMCSPDU_ChannelDisbandIndication = 20,
  DomainMCSPDU_ChannelAdmitRequest = 21,
  DomainMCSPDU_ChannelAdmitIndication = 22,
  DomainMCSPDU_ChannelExpelRequest = 23,
  DomainMCSPDU_ChannelExpelIndication = 24,
  DomainMCSPDU_SendDataRequest = 25,
  DomainMCSPDU_SendDataIndication = 26,
  DomainMCSPDU_UniformSendDataRequest = 27,
  DomainMCSPDU_UniformSendDataIndication = 28,
  DomainMCSPDU_TokenGrabRequest = 29,
  DomainMCSPDU_TokenGrabConfirm = 30,
  DomainMCSPDU_TokenInhibitRequest = 31,
  DomainMCSPDU_TokenInhibitConfirm = 32,
  DomainMCSPDU_TokenGiveRequest = 33,
  DomainMCSPDU_TokenGiveIndication = 34,
  DomainMCSPDU_TokenGiveResponse = 35,
  DomainMCSPDU_TokenGiveConfirm = 36,
  DomainMCSPDU_TokenPleaseRequest = 37,
  DomainMCSPDU_TokenPleaseConfirm = 38,
  DomainMCSPDU_TokenReleaseRequest = 39,
  DomainMCSPDU_TokenReleaseConfirm = 40,
  DomainMCSPDU_TokenTestRequest = 41,
  DomainMCSPDU_TokenTestConfirm = 42,
  DomainMCSPDU_enum_length = 43
} DomainMCSPDU;
 
typedef struct
{
  UINT32 maxChannelIds;
  UINT32 maxUserIds;
  UINT32 maxTokenIds;
  UINT32 numPriorities;
  UINT32 minThroughput;
  UINT32 maxHeight;
  UINT32 maxMCSPDUsize;
  UINT32 protocolVersion;
} DomainParameters;
 
struct rdp_mcs_channel
{
  char Name[CHANNEL_NAME_LEN + 1];
  UINT32 options;
  UINT16 ChannelId;
  BOOL joined;
  void* handle;
};
typedef struct rdp_mcs_channel rdpMcsChannel;
 
struct rdp_mcs
{
  rdpTransport* transport;
 
  UINT16 userId;
  UINT16 baseChannelId;
  UINT16 messageChannelId;
 
  UINT32 flags;
 
  DomainParameters domainParameters;
  DomainParameters targetParameters;
  DomainParameters minimumParameters;
  DomainParameters maximumParameters;
 
  BOOL userChannelJoined;
  BOOL globalChannelJoined;
  BOOL messageChannelJoined;
 
  UINT32 channelCount;
  UINT32 channelMaxCount;
  rdpMcsChannel* channels;
};
 
#define MCS_SEND_DATA_HEADER_MAX_LENGTH 8
 
#define MCS_TYPE_CONNECT_INITIAL 0x65
#define MCS_TYPE_CONNECT_RESPONSE 0x66
 
const char* mcs_domain_pdu_string(DomainMCSPDU pdu);
BOOL mcs_server_apply_to_settings(const rdpMcs* mcs, rdpSettings* settings);
 
FREERDP_LOCAL BOOL mcs_recv_connect_initial(rdpMcs* mcs, wStream* s);
FREERDP_LOCAL BOOL mcs_recv_connect_response(rdpMcs* mcs, wStream* s);
FREERDP_LOCAL BOOL mcs_send_connect_response(rdpMcs* mcs);
FREERDP_LOCAL BOOL mcs_recv_erect_domain_request(rdpMcs* mcs, wStream* s);
FREERDP_LOCAL BOOL mcs_send_erect_domain_request(rdpMcs* mcs);
FREERDP_LOCAL BOOL mcs_recv_attach_user_request(rdpMcs* mcs, wStream* s);
FREERDP_LOCAL BOOL mcs_send_attach_user_request(rdpMcs* mcs);
FREERDP_LOCAL BOOL mcs_recv_attach_user_confirm(rdpMcs* mcs, wStream* s);
FREERDP_LOCAL BOOL mcs_send_attach_user_confirm(rdpMcs* mcs);
FREERDP_LOCAL BOOL mcs_recv_channel_join_request(rdpMcs* mcs, const rdpSettings* settings,
                                                 wStream* s, UINT16* channelId);
FREERDP_LOCAL BOOL mcs_send_channel_join_request(rdpMcs* mcs, UINT16 channelId);
FREERDP_LOCAL BOOL mcs_recv_channel_join_confirm(rdpMcs* mcs, wStream* s, UINT16* channelId);
FREERDP_LOCAL BOOL mcs_send_channel_join_confirm(rdpMcs* mcs, UINT16 channelId);
FREERDP_LOCAL BOOL mcs_recv_disconnect_provider_ultimatum(rdpMcs* mcs, wStream* s, int* reason);
FREERDP_LOCAL BOOL mcs_send_disconnect_provider_ultimatum(rdpMcs* mcs);
 
FREERDP_LOCAL BOOL mcs_write_domain_mcspdu_header(wStream* s, DomainMCSPDU domainMCSPDU,
                                                  UINT16 length, BYTE options);
 
FREERDP_LOCAL BOOL mcs_client_begin(rdpMcs* mcs);
 
FREERDP_LOCAL void mcs_free(rdpMcs* mcs);
 
WINPR_ATTR_MALLOC(mcs_free, 1)
FREERDP_LOCAL rdpMcs* mcs_new(rdpTransport* transport);
 
#endif /* FREERDP_LIB_CORE_MCS_H */