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Added a check in DesktopResize for protocol violations

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akallabeth
2022-06-23 09:09:14 +02:00
committed by akallabeth
parent ce2e3ab0c7
commit 07a5a6ef6d
1 changed files with 14 additions and 0 deletions
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14
libfreerdp/core/update.c
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@@ -1342,6 +1342,20 @@ static BOOL update_send_synchronize(rdpContext* context)
static BOOL update_send_desktop_resize(rdpContext* context)
{
BOOL support;
UINT32 EarlyCapabilityFlags;
WINPR_ASSERT(context);
support = freerdp_settings_get_bool(context->settings, FreeRDP_SupportMonitorLayoutPdu);
EarlyCapabilityFlags =
freerdp_settings_get_uint32(context->settings, FreeRDP_EarlyCapabilityFlags);
if (!support || ((EarlyCapabilityFlags & RNS_UD_CS_SUPPORT_MONITOR_LAYOUT_PDU) == 0))
{
WLog_WARN(TAG, "Tried to resize the session, but RNS_UD_CS_SUPPORT_MONITOR_LAYOUT_PDU is "
"not supported by client");
freerdp_abort_connect_context(context);
return FALSE;
}
return rdp_server_reactivate(context->rdp);
}