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work on suppress

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This commit is contained in:
Jay Sorg 2019-04-02 00:19:57 -07:00
parent 20f6ac9adb
commit ecf4acf5f1
2 changed files with 35 additions and 5 deletions
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1
common/xrdp_client_info.h
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@ -156,6 +156,7 @@ struct xrdp_client_info
int no_orders_supported;
int use_cache_glyph_v2;
int rail_enable;
int suppress_output;
};
#endif

39
libxrdp/xrdp_rdp.c
View File

@ -1209,6 +1209,38 @@ xrdp_rdp_process_frame_ack(struct xrdp_rdp *self, struct stream *s)
return 0;
}
/*****************************************************************************/
static int
xrdp_rdp_process_suppress(struct xrdp_rdp *self, struct stream *s)
{
int allowDisplayUpdates;
if (!s_check_rem(s, 1))
{
return 1;
}
in_uint8(s, allowDisplayUpdates);
switch (allowDisplayUpdates)
{
case 0: /* SUPPRESS_DISPLAY_UPDATES */
self->client_info.suppress_output = 1;
break;
case 1: /* ALLOW_DISPLAY_UPDATES */
self->client_info.suppress_output = 0;
if (!s_check_rem(s, 11))
{
return 1;
}
in_uint8s(s, 3); /* pad */
in_uint8s(s, 2); /* left */
in_uint8s(s, 2); /* top */
in_uint8s(s, 2); /* right */
in_uint8s(s, 2); /* bottom */
break;
}
return 0;
}
/*****************************************************************************/
/* RDP_PDU_DATA */
int
@ -1240,11 +1272,8 @@ xrdp_rdp_process_data(struct xrdp_rdp *self, struct stream *s)
case 33: /* 33(0x21) ?? Invalidate an area I think */
xrdp_rdp_process_screen_update(self, s);
break;
case 35: /* 35(0x23) */
/* 35 ?? this comes when minimizing a full screen mstsc.exe 2600 */
/* I think this is saying the client no longer wants screen */
/* updates and it will issue a 33 above to catch up */
/* so minimized apps don't take bandwidth */
case 35: /* 35(0x23) PDUTYPE2_SUPPRESS_OUTPUT */
xrdp_rdp_process_suppress(self, s);
break;
case 36: /* 36(0x24) ?? disconnect query? */
/* when this message comes, send a 37 back so the client */