int rdp_client_connect_demand_active(rdpRdp* rdp, wStream* s)
{
BYTE* mark;
UINT16 width;
UINT16 height;
width = rdp->settings->DesktopWidth;
height = rdp->settings->DesktopHeight;
Stream_GetPointer(s, mark);
if (!rdp_recv_demand_active(rdp, s))
{
UINT16 channelId;
Stream_SetPointer(s, mark);
rdp_recv_get_active_header(rdp, s, &channelId);
/* Was Stream_Seek(s, RDP_PACKET_HEADER_MAX_LENGTH);
* but the headers aren't always that length,
* so that could result in a bad offset.
*/
return rdp_recv_out_of_sequence_pdu(rdp, s);
}
if (freerdp_shall_disconnect(rdp->instance))
return 0;
if (!rdp_send_confirm_active(rdp))
return -1;
if (!input_register_client_callbacks(rdp->input))
{
WLog_ERR(TAG, "error registering client callbacks");
return -1;
}
/**
* The server may request a different desktop size during Deactivation-Reactivation sequence.
* In this case, the UI should be informed and do actual window resizing at this point.
*/
if (width != rdp->settings->DesktopWidth || height != rdp->settings->DesktopHeight)
{
BOOL status = TRUE;
IFCALLRET(rdp->update->DesktopResize, status, rdp->update->context);
if (!status)
{
WLog_ERR(TAG, "client desktop resize callback failed");
return -1;
}
}
rdp_client_transition_to_state(rdp, CONNECTION_STATE_FINALIZATION);
return rdp_client_connect_finalize(rdp);
}
boolean rdp_client_connect_demand_active(rdpRdp* rdp, STREAM* s)
{
uint8* mark;
uint16 width;
uint16 height;
width = rdp->settings->width;
height = rdp->settings->height;
stream_get_mark(s, mark);
if (!rdp_recv_demand_active(rdp, s))
{
stream_set_mark(s, mark);
stream_seek(s, RDP_PACKET_HEADER_LENGTH);
if (rdp_recv_out_of_sequence_pdu(rdp, s) != True)
return False;
return True;
}
if (!rdp_send_confirm_active(rdp))
return False;
/**
* The server may request a different desktop size during Deactivation-Reactivation sequence.
* In this case, the UI should be informed and do actual window resizing at this point.
*/
if (width != rdp->settings->width || height != rdp->settings->height)
{
IFCALL(rdp->update->DesktopResize, rdp->update);
}
/**
* [MS-RDPBCGR] 1.3.1.1 - 8.
* The client-to-server PDUs sent during this phase have no dependencies on any of the server-to-
* client PDUs; they may be sent as a single batch, provided that sequencing is maintained.
*/
if (!rdp_send_client_synchronize_pdu(rdp))
return False;
if (!rdp_send_client_control_pdu(rdp, CTRLACTION_COOPERATE))
return False;
if (!rdp_send_client_control_pdu(rdp, CTRLACTION_REQUEST_CONTROL))
return False;
if (!rdp_send_client_persistent_key_list_pdu(rdp))
return False;
if (!rdp_send_client_font_list_pdu(rdp, FONTLIST_FIRST | FONTLIST_LAST))
return False;
rdp->state = CONNECTION_STATE_ACTIVE;
update_reset_state(rdp->update);
return True;
}
tbool rdp_client_connect_demand_active(rdpRdp* rdp, STREAM* s)
{
uint8* mark;
uint16 width;
uint16 height;
uint16 channelId;
width = rdp->settings->width;
height = rdp->settings->height;
stream_get_mark(s, mark);
if (!rdp_recv_demand_active(rdp, s))
{
stream_set_mark(s, mark);
rdp_recv_get_active_header(rdp, s, &channelId);
/* Was stream_seek(s, RDP_PACKET_HEADER_MAX_LENGTH);
* but the headers aren't always that length,
* so that could result in a bad offset.
*/
if (rdp_recv_out_of_sequence_pdu(rdp, s) == false)
return false;
return true;
}
if (rdp->disconnect)
return true;
if (!rdp_send_confirm_active(rdp))
return false;
input_register_client_callbacks(rdp->input);
/**
* The server may request a different desktop size during Deactivation-Reactivation sequence.
* In this case, the UI should be informed and do actual window resizing at this point.
*/
if (width != rdp->settings->width || height != rdp->settings->height)
{
IFCALL(rdp->update->DesktopResize, rdp->update->context);
}
rdp->state = CONNECTION_STATE_FINALIZATION;
update_reset_state(rdp->update);
rdp_client_connect_finalize(rdp);
return true;
}
BOOL rdp_client_connect_demand_active(rdpRdp* rdp, wStream* s)
{
BYTE* mark;
UINT16 width;
UINT16 height;
width = rdp->settings->DesktopWidth;
height = rdp->settings->DesktopHeight;
Stream_GetPointer(s, mark);
if (!rdp_recv_demand_active(rdp, s))
{
UINT16 channelId;
Stream_SetPointer(s, mark);
rdp_recv_get_active_header(rdp, s, &channelId);
/* Was Stream_Seek(s, RDP_PACKET_HEADER_MAX_LENGTH);
* but the headers aren't always that length,
* so that could result in a bad offset.
*/
if (rdp_recv_out_of_sequence_pdu(rdp, s) != TRUE)
return FALSE;
return TRUE;
}
if (rdp->disconnect)
return TRUE;
if (!rdp_send_confirm_active(rdp))
return FALSE;
input_register_client_callbacks(rdp->input);
/**
* The server may request a different desktop size during Deactivation-Reactivation sequence.
* In this case, the UI should be informed and do actual window resizing at this point.
*/
if (width != rdp->settings->DesktopWidth || height != rdp->settings->DesktopHeight)
{
IFCALL(rdp->update->DesktopResize, rdp->update->context);
}
rdp->state = CONNECTION_STATE_FINALIZATION;
update_reset_state(rdp->update);
return rdp_client_connect_finalize(rdp);
}
void rdp_recv(rdpRdp* rdp)
{
STREAM* s;
int length;
uint16 pduType;
uint16 pduLength;
uint16 initiator;
uint16 channelId;
uint16 sec_flags;
enum DomainMCSPDU MCSPDU;
s = transport_recv_stream_init(rdp->transport, 4096);
transport_read(rdp->transport, s);
MCSPDU = DomainMCSPDU_SendDataIndication;
mcs_read_domain_mcspdu_header(s, &MCSPDU, &length);
per_read_integer16(s, &initiator, MCS_BASE_CHANNEL_ID); /* initiator (UserId) */
per_read_integer16(s, &channelId, 0); /* channelId */
stream_seek(s, 1); /* dataPriority + Segmentation (0x70) */
per_read_length(s, &pduLength); /* userData (OCTET_STRING) */
if (rdp->connected != True)
{
rdp_read_security_header(s, &sec_flags);
if (sec_flags & SEC_PKT_MASK)
{
switch (sec_flags & SEC_PKT_MASK)
{
case SEC_LICENSE_PKT:
license_recv(rdp->license, s);
break;
case SEC_REDIRECTION_PKT:
rdp_read_redirection_packet(rdp, s);
break;
default:
printf("incorrect security flags: 0x%04X\n", sec_flags);
break;
}
}
}
else
{
rdp_read_share_control_header(s, &pduLength, &pduType, &rdp->settings->pdu_source);
switch (pduType)
{
case PDU_TYPE_DATA:
rdp_read_data_pdu(rdp, s);
break;
case PDU_TYPE_DEMAND_ACTIVE:
rdp_recv_demand_active(rdp, s, rdp->settings);
break;
case PDU_TYPE_DEACTIVATE_ALL:
rdp_read_deactivate_all(s, rdp->settings);
break;
case PDU_TYPE_SERVER_REDIRECTION:
rdp_read_enhanced_security_redirection_packet(rdp, s);
break;
default:
printf("incorrect PDU type: 0x%04X\n", pduType);
break;
}
}
}