Add a new API that allows channels to register/unregister an
event-handle along with a callback function to be called by the RDP main
thread.
This allows background processing of channel specifics without the need
for a channel specific thread.
This patch implements the client-side part of the remote credential guard feature
as described in MS-RDPEAR. The 2 main changes are: shipping the TSRemoteGuardaCreds in
NLA, and implement the rdpear channel that allows LSASS to remote all the calls to
our client. For now it's UNIX only as the windows implementation would be implemented
in a completely different way.
To test, you may establish you ccache and then connect with (RCG enabled on the server):
xfreerdp /remoteGuard /u:<user> /d:<domain> /v<server>
That should log you in, and in the session you should not be asked for credentials when
doing mstsc /remoteGuard /v:<other server>.
Add the wrapper function utils_reload_channels that unifies the channel
cleanup and channel initialization sequence required on connect,
redirect and gateway policy apply
* move type definition to WinPR as used there too.
* supported keyboard types are defined in
[MS-RDPBCGR] 2.2.1.3.2 Client Core Data (TS_UD_CS_CORE)]
use a enum instead of magic numbers to make code more readable.
most protocol internal caches do not need to be exposed. this reduces
the public API and allows us to more easily improve/change this during a
release cycle
Too often experimental flags had been used without the user noticing
that. As bug reports are hard to analyze without proper information take
this approach and inform about experimental flags in use by logging
these.
Currently the proxy's TLS fallback if an NLA connection attempt failed
is broken. There are two issues with the current code that this PR
fixes:
- freerdp_reconnect is used which requires an already established
connection to work correctly. This is not the case since the NLA
connectin attempt failed. This resulted in a seemingly working TLS
connection but i.e. channels where missing/not working.
- The fallback connection attempt just altered the NLA security setting
in the instance's settings. However these settings have been already
modified by the NLA connection attempt so we need to create a copy of
the original connection settings before doing the first connect.
The PR also introduces freerdp_reset_context which restores the initial
connection settings for the given instance.
To have more fine granied control add a new callback.
Now you have the following callback pairs:
* PreConnect <--> PostFinalDisconnect
* PostConnect <--> PostDisconnect
With the latest client changes the internal event loop requires a handle
to wait on. Add a new function to (re)set the newly added transport event handle.
