int rdpgfx_recv_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
int status;
int beg, end;
RDPGFX_HEADER header;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
beg = Stream_GetPosition(s);
status = rdpgfx_read_header(s, &header);
if (status < 0)
return -1;
#if 1
WLog_Print(gfx->log, WLOG_DEBUG, "cmdId: %s (0x%04X) flags: 0x%04X pduLength: %d",
rdpgfx_get_cmd_id_string(header.cmdId), header.cmdId, header.flags, header.pduLength);
#endif
switch (header.cmdId)
{
case RDPGFX_CMDID_WIRETOSURFACE_1:
status = rdpgfx_recv_wire_to_surface_1_pdu(callback, s);
break;
case RDPGFX_CMDID_WIRETOSURFACE_2:
status = rdpgfx_recv_wire_to_surface_2_pdu(callback, s);
break;
case RDPGFX_CMDID_DELETEENCODINGCONTEXT:
status = rdpgfx_recv_delete_encoding_context_pdu(callback, s);
break;
case RDPGFX_CMDID_SOLIDFILL:
status = rdpgfx_recv_solid_fill_pdu(callback, s);
break;
case RDPGFX_CMDID_SURFACETOSURFACE:
status = rdpgfx_recv_surface_to_surface_pdu(callback, s);
break;
case RDPGFX_CMDID_SURFACETOCACHE:
status = rdpgfx_recv_surface_to_cache_pdu(callback, s);
break;
case RDPGFX_CMDID_CACHETOSURFACE:
status = rdpgfx_recv_cache_to_surface_pdu(callback, s);
break;
case RDPGFX_CMDID_EVICTCACHEENTRY:
status = rdpgfx_recv_evict_cache_entry_pdu(callback, s);
break;
case RDPGFX_CMDID_CREATESURFACE:
status = rdpgfx_recv_create_surface_pdu(callback, s);
break;
case RDPGFX_CMDID_DELETESURFACE:
status = rdpgfx_recv_delete_surface_pdu(callback, s);
break;
case RDPGFX_CMDID_STARTFRAME:
status = rdpgfx_recv_start_frame_pdu(callback, s);
break;
case RDPGFX_CMDID_ENDFRAME:
status = rdpgfx_recv_end_frame_pdu(callback, s);
break;
case RDPGFX_CMDID_RESETGRAPHICS:
status = rdpgfx_recv_reset_graphics_pdu(callback, s);
break;
case RDPGFX_CMDID_MAPSURFACETOOUTPUT:
status = rdpgfx_recv_map_surface_to_output_pdu(callback, s);
break;
case RDPGFX_CMDID_CACHEIMPORTREPLY:
status = rdpgfx_recv_cache_import_reply_pdu(callback, s);
break;
case RDPGFX_CMDID_CAPSCONFIRM:
status = rdpgfx_recv_caps_confirm_pdu(callback, s);
break;
case RDPGFX_CMDID_MAPSURFACETOWINDOW:
status = rdpgfx_recv_map_surface_to_window_pdu(callback, s);
break;
default:
status = -1;
break;
}
if (status < 0)
{
WLog_ERR(TAG, "Error while parsing GFX cmdId: %s (0x%04X)",
rdpgfx_get_cmd_id_string(header.cmdId), header.cmdId);
return -1;
}
end = Stream_GetPosition(s);
if (end != (beg + header.pduLength))
{
WLog_ERR(TAG, "Unexpected gfx pdu end: Actual: %d, Expected: %d",
end, (beg + header.pduLength));
Stream_SetPosition(s, (beg + header.pduLength));
}
return status;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
size_t beg, end;
RDPGFX_HEADER header;
UINT error;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
beg = Stream_GetPosition(s);
if ((error = rdpgfx_read_header(s, &header)))
{
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_read_header failed with error %"PRIu32"!", error);
return error;
}
WLog_Print(gfx->log, WLOG_DEBUG, "cmdId: %s (0x%04"PRIX16") flags: 0x%04"PRIX16" pduLength: %"PRIu32"",
rdpgfx_get_cmd_id_string(header.cmdId), header.cmdId, header.flags,
header.pduLength);
switch (header.cmdId)
{
case RDPGFX_CMDID_WIRETOSURFACE_1:
if ((error = rdpgfx_recv_wire_to_surface_1_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_wire_to_surface_1_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_WIRETOSURFACE_2:
if ((error = rdpgfx_recv_wire_to_surface_2_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_wire_to_surface_2_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_DELETEENCODINGCONTEXT:
if ((error = rdpgfx_recv_delete_encoding_context_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_delete_encoding_context_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_SOLIDFILL:
if ((error = rdpgfx_recv_solid_fill_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_solid_fill_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_SURFACETOSURFACE:
if ((error = rdpgfx_recv_surface_to_surface_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_surface_to_surface_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_SURFACETOCACHE:
if ((error = rdpgfx_recv_surface_to_cache_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_surface_to_cache_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_CACHETOSURFACE:
if ((error = rdpgfx_recv_cache_to_surface_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_cache_to_surface_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_EVICTCACHEENTRY:
if ((error = rdpgfx_recv_evict_cache_entry_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_evict_cache_entry_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_CREATESURFACE:
if ((error = rdpgfx_recv_create_surface_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_create_surface_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_DELETESURFACE:
if ((error = rdpgfx_recv_delete_surface_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_delete_surface_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_STARTFRAME:
if ((error = rdpgfx_recv_start_frame_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_start_frame_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_ENDFRAME:
if ((error = rdpgfx_recv_end_frame_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_end_frame_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_RESETGRAPHICS:
if ((error = rdpgfx_recv_reset_graphics_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_reset_graphics_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_MAPSURFACETOOUTPUT:
if ((error = rdpgfx_recv_map_surface_to_output_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_map_surface_to_output_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_CACHEIMPORTREPLY:
if ((error = rdpgfx_recv_cache_import_reply_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_cache_import_reply_pdu failed with error %"PRIu32"!",
error);
break;
case RDPGFX_CMDID_CAPSCONFIRM:
if ((error = rdpgfx_recv_caps_confirm_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_caps_confirm_pdu failed with error %"PRIu32"!", error);
break;
case RDPGFX_CMDID_MAPSURFACETOWINDOW:
if ((error = rdpgfx_recv_map_surface_to_window_pdu(callback, s)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_recv_map_surface_to_window_pdu failed with error %"PRIu32"!",
error);
break;
default:
error = CHANNEL_RC_BAD_PROC;
break;
}
if (error)
{
WLog_Print(gfx->log, WLOG_ERROR, "Error while parsing GFX cmdId: %s (0x%04"PRIX16")",
rdpgfx_get_cmd_id_string(header.cmdId), header.cmdId);
return error;
}
end = Stream_GetPosition(s);
if (end != (beg + header.pduLength))
{
WLog_Print(gfx->log, WLOG_ERROR, "Unexpected gfx pdu end: Actual: %d, Expected: %"PRIu32"",
end, (beg + header.pduLength));
Stream_SetPosition(s, (beg + header.pduLength));
}
return error;
}