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Add a client_resize_mode field

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This stores what kind of resizing (if any) can be achieved with
a Deactivation-Reactivation sequence.
This commit is contained in:
matt335672 2024-02-15 14:31:29 +00:00 committed by Koichiro Iwao
parent 1917b9c747
commit b0a30a3581
2 changed files with 51 additions and 1 deletions
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10
common/xrdp_client_info.h
View File

@ -67,6 +67,13 @@ struct display_size_description
unsigned int session_height;
};
enum client_resize_mode
{
CRMODE_NONE,
CRMODE_SINGLE_SCREEN,
CRMODE_MULTI_SCREEN
};
/**
* Information about the xrdp client
*
@ -218,6 +225,9 @@ struct xrdp_client_info
int large_pointer_support_flags;
int gfx;
// Can we resize the desktop by using a Deactivation-Reactivation Sequence?
enum client_resize_mode client_resize_mode;
};
enum xrdp_encoder_flags

42
libxrdp/xrdp_caps.c
View File

@ -120,6 +120,45 @@ xrdp_caps_process_general(struct xrdp_rdp *self, struct stream *s,
return 0;
}
/*****************************************************************************/
static int
xrdp_caps_process_bitmap(struct xrdp_rdp *self, struct stream *s,
int len)
{
/* [MS-RDPBCGR] 2.2.7.1.2 */
int desktopResizeFlag;
if (len < 14 + 2)
{
LOG(LOG_LEVEL_ERROR, "Not enough bytes in the stream: "
"len 16, remaining %d", len);
return 1;
}
in_uint8s(s, 14);
in_uint16_le(s, desktopResizeFlag);
/* Work out what kind of client resizing we can do from the server */
int early_cap_flags = self->client_info.mcs_early_capability_flags;
if (desktopResizeFlag == 0)
{
self->client_info.client_resize_mode = CRMODE_NONE;
LOG(LOG_LEVEL_INFO, "Client cannot be resized by xrdp");
}
else if ((early_cap_flags & RNS_UD_CS_SUPPORT_MONITOR_LAYOUT_PDU) == 0)
{
self->client_info.client_resize_mode = CRMODE_SINGLE_SCREEN;
LOG(LOG_LEVEL_INFO, "Client supports single-screen resizes by xrdp");
}
else
{
self->client_info.client_resize_mode = CRMODE_MULTI_SCREEN;
LOG(LOG_LEVEL_INFO, "Client supports multi-screen resizes by xrdp");
}
return 0;
}
/*****************************************************************************/
/*
* Process [MS-RDPBCGR] TS_ORDER_CAPABILITYSET (2.2.7.1.3) message.
@ -760,7 +799,8 @@ xrdp_caps_process_confirm_active(struct xrdp_rdp *self, struct stream *s)
break;
case CAPSTYPE_BITMAP:
LOG_DEVEL(LOG_LEVEL_INFO, "Received [MS-RDPBCGR] TS_CONFIRM_ACTIVE_PDU - TS_CAPS_SET "
"capabilitySetType = CAPSTYPE_BITMAP - Ignored");
"capabilitySetType = CAPSTYPE_BITMAP");
xrdp_caps_process_bitmap(self, s, len);
break;
case CAPSTYPE_ORDER:
LOG_DEVEL(LOG_LEVEL_INFO, "Received [MS-RDPBCGR] TS_CONFIRM_ACTIVE_PDU - TS_CAPS_SET "