/*
 * Remmina - The GTK+ Remote Desktop Client
 * Copyright (C) 2010-2011 Vic Lee
 * Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
 * Copyright (C) 2016-2017 Antenore Gatta, Giovanni Panozzo
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 *
 *  In addition, as a special exception, the copyright holders give
 *  permission to link the code of portions of this program with the
 *  OpenSSL library under certain conditions as described in each
 *  individual source file, and distribute linked combinations
 *  including the two.
 *  You must obey the GNU General Public License in all respects
 *  for all of the code used other than OpenSSL. *  If you modify
 *  file(s) with this exception, you may extend this exception to your
 *  version of the file(s), but you are not obligated to do so. *  If you
 *  do not wish to do so, delete this exception statement from your
 *  version. *  If you delete this exception statement from all source
 *  files in the program, then also delete it here.
 *
 */

#include "rdp_plugin.h"
#include "rdp_event.h"
#include "rdp_graphics.h"
#include "rdp_file.h"
#include "rdp_settings.h"
#include "rdp_cliprdr.h"
#include "rdp_channels.h"

#include <errno.h>
#include <pthread.h>
#include <time.h>
#include <cairo/cairo-xlib.h>
#include <freerdp/freerdp.h>
#include <freerdp/constants.h>
#include <freerdp/client/cliprdr.h>
#include <freerdp/client/channels.h>
#include <freerdp/client/cmdline.h>
#include <freerdp/error.h>
#include <winpr/memory.h>

#define REMMINA_RDP_FEATURE_TOOL_REFRESH         1
#define REMMINA_RDP_FEATURE_SCALE                2
#define REMMINA_RDP_FEATURE_UNFOCUS              3
#define REMMINA_RDP_FEATURE_TOOL_SENDCTRLALTDEL  4
#define REMMINA_RDP_FEATURE_DYNRESUPDATE                 5

/* Some string settings of freerdp are preallocated buffers of N bytes */
#define FREERDP_CLIENTHOSTNAME_LEN      32

RemminaPluginService* remmina_plugin_service = NULL;
static char remmina_rdp_plugin_default_drive_name[] = "RemminaDisk";

static BOOL rf_process_event_queue(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);
	UINT16 flags;
	rdpInput* input;
	rfContext* rfi = GET_PLUGIN_DATA(gp);
	RemminaPluginRdpEvent* event;
	DISPLAY_CONTROL_MONITOR_LAYOUT* dcml;

	if (rfi->event_queue == NULL)
		return True;

	input = rfi->instance->input;

	while ((event = (RemminaPluginRdpEvent*)g_async_queue_try_pop(rfi->event_queue)) != NULL) {
		switch (event->type) {
		case REMMINA_RDP_EVENT_TYPE_SCANCODE:
			flags = event->key_event.extended ? KBD_FLAGS_EXTENDED : 0;
			flags |= event->key_event.up ? KBD_FLAGS_RELEASE : KBD_FLAGS_DOWN;
			input->KeyboardEvent(input, flags, event->key_event.key_code);
			break;

		case REMMINA_RDP_EVENT_TYPE_SCANCODE_UNICODE:
			/*
			 * TS_UNICODE_KEYBOARD_EVENT RDP message, see https://msdn.microsoft.com/en-us/library/cc240585.aspx
			 */
			flags = event->key_event.up ? KBD_FLAGS_RELEASE : KBD_FLAGS_DOWN;
			input->UnicodeKeyboardEvent(input, flags, event->key_event.unicode_code);
			break;

		case REMMINA_RDP_EVENT_TYPE_MOUSE:
			if (event->mouse_event.extended)
				input->ExtendedMouseEvent(input, event->mouse_event.flags,
					event->mouse_event.x, event->mouse_event.y);
			else
				input->MouseEvent(input, event->mouse_event.flags,
					event->mouse_event.x, event->mouse_event.y);
			break;

		case REMMINA_RDP_EVENT_TYPE_CLIPBOARD_SEND_CLIENT_FORMAT_LIST:
			rfi->clipboard.context->ClientFormatList(rfi->clipboard.context, event->clipboard_formatlist.pFormatList);
			free(event->clipboard_formatlist.pFormatList);
			break;

		case REMMINA_RDP_EVENT_TYPE_CLIPBOARD_SEND_CLIENT_FORMAT_DATA_RESPONSE:
			rfi->clipboard.context->ClientFormatDataResponse(rfi->clipboard.context, event->clipboard_formatdataresponse.pFormatDataResponse);
			if (event->clipboard_formatdataresponse.pFormatDataResponse->requestedFormatData)
				free(event->clipboard_formatdataresponse.pFormatDataResponse->requestedFormatData);
			free(event->clipboard_formatdataresponse.pFormatDataResponse);
			break;

		case REMMINA_RDP_EVENT_TYPE_CLIPBOARD_SEND_CLIENT_FORMAT_DATA_REQUEST:
			rfi->clipboard.context->ClientFormatDataRequest(rfi->clipboard.context, event->clipboard_formatdatarequest.pFormatDataRequest);
			free(event->clipboard_formatdatarequest.pFormatDataRequest);
			break;

		case REMMINA_RDP_EVENT_TYPE_SEND_MONITOR_LAYOUT:
			dcml = g_malloc0(sizeof(DISPLAY_CONTROL_MONITOR_LAYOUT));
			if (dcml) {
				dcml->Flags = DISPLAY_CONTROL_MONITOR_PRIMARY;
				dcml->Width = event->monitor_layout.width;
				dcml->Height = event->monitor_layout.height;
				dcml->Orientation = event->monitor_layout.desktopOrientation;
				dcml->DesktopScaleFactor = event->monitor_layout.desktopScaleFactor;
				dcml->DeviceScaleFactor = event->monitor_layout.deviceScaleFactor;
				rfi->dispcontext->SendMonitorLayout(rfi->dispcontext, 1, dcml);
				g_free(dcml);
			}
			break;
		}

		g_free(event);
	}

	return True;
}

static gboolean remmina_rdp_tunnel_init(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);

	/* Opens the optional SSH tunnel if needed.
	 * Used also when reopening the same tunnel for a freerdp reconnect.
	 * Returns TRUE if all OK, and setups correct rfi->Settings values
	 * with connection and certificate parameters */

	gchar* hostport;
	gchar* s;
	gchar* host;
	gchar *cert_host;
	gint cert_port;
	gint port;
	const gchar *cert_hostport;

	rfContext* rfi = GET_PLUGIN_DATA(gp);
	RemminaFile* remminafile;

	remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);

	hostport = remmina_plugin_service->protocol_plugin_start_direct_tunnel(gp, 3389, FALSE);
	if (hostport == NULL) {
		return FALSE;
	}

	remmina_plugin_service->get_server_port(hostport, 3389, &host, &port);

	cert_host = host;
	cert_port = port;

	if (remmina_plugin_service->file_get_int(remminafile, "ssh_enabled", FALSE)) {
		cert_hostport = remmina_plugin_service->file_get_string(remminafile, "server");
		if ( cert_hostport ) {
			remmina_plugin_service->get_server_port(cert_hostport, 3389, &cert_host, &cert_port);
		}

	}

	if (!rfi->is_reconnecting) {
		/* settings->CertificateName and settings->ServerHostname is created
		 * only on 1st connect, not on reconnections */

		rfi->settings->ServerHostname = strdup(host);

		if (cert_port == 3389) {
			rfi->settings->CertificateName = strdup(cert_host);
		}else {
			s = g_strdup_printf("%s:%d", cert_host, cert_port);
			rfi->settings->CertificateName = strdup(s);
			g_free(s);
		}
	}

	if (cert_host != host) g_free(cert_host);
	g_free(host);
	g_free(hostport);

	rfi->settings->ServerPort = port;

	return TRUE;
}

BOOL rf_auto_reconnect(rfContext* rfi)
{
	TRACE_CALL(__func__);
	rdpSettings* settings = rfi->instance->settings;
	RemminaPluginRdpUiObject* ui;
	time_t treconn;

	rfi->is_reconnecting = TRUE;
	rfi->reconnect_maxattempts = settings->AutoReconnectMaxRetries;
	rfi->reconnect_nattempt = 0;

	/* Only auto reconnect on network disconnects. */
	if (freerdp_error_info(rfi->instance) != 0) {
		rfi->is_reconnecting = FALSE;
		return FALSE;
	}

	if (!settings->AutoReconnectionEnabled) {
		/* No auto-reconnect - just quit */
		rfi->is_reconnecting = FALSE;
		return FALSE;
	}

	/* A network disconnect was detected and we should try to reconnect */
	remmina_plugin_service->log_printf("[RDP][%s] network disconnection detected, initiating reconnection attempt\n",
		rfi->settings->ServerHostname);

	ui = g_new0(RemminaPluginRdpUiObject, 1);
	ui->type = REMMINA_RDP_UI_RECONNECT_PROGRESS;
	remmina_rdp_event_queue_ui_async(rfi->protocol_widget, ui);

	/* Sleep half a second to allow:
	 *  - processing of the ui event we just pushed on the queue
	 *  - better network conditions
	 *  Remember: we hare on a thread, so the main gui won't lock */

	usleep(500000);

	/* Perform an auto-reconnect. */
	while (TRUE) {
		/* Quit retrying if max retries has been exceeded */
		if (rfi->reconnect_nattempt++ >= rfi->reconnect_maxattempts) {
			remmina_plugin_service->log_printf("[RDP][%s] maximum number of reconnection attempts exceeded.\n",
				rfi->settings->ServerHostname);
			break;
		}

		/* Attempt the next reconnect */
		remmina_plugin_service->log_printf("[RDP][%s] attempting reconnection, attempt #%d of %d\n",
			rfi->settings->ServerHostname, rfi->reconnect_nattempt, rfi->reconnect_maxattempts);

		ui = g_new0(RemminaPluginRdpUiObject, 1);
		ui->type = REMMINA_RDP_UI_RECONNECT_PROGRESS;
		remmina_rdp_event_queue_ui_async(rfi->protocol_widget, ui);

		treconn = time(NULL);

		/* Reconnect the SSH tunnel, if needed */
		if (!remmina_rdp_tunnel_init(rfi->protocol_widget)) {
			remmina_plugin_service->log_printf("[RDP][%s] unable to recreate tunnel with remmina_rdp_tunnel_init.\n",
				rfi->settings->ServerHostname);
		} else {
			if (freerdp_reconnect(rfi->instance)) {
				/* Reconnection is successful */
				remmina_plugin_service->log_printf("[RDP][%s] reconnection successful.\n",
					rfi->settings->ServerHostname);
				rfi->is_reconnecting = FALSE;
				return TRUE;
			}
		}

		/* Wait until 5 secs have elapsed from last reconnect attempt */
		while (time(NULL) - treconn < 5)
			sleep(1);
	}

	rfi->is_reconnecting = FALSE;
	return FALSE;
}

BOOL rf_begin_paint(rdpContext* context)
{
	TRACE_CALL(__func__);
	rdpGdi* gdi;
	HGDI_WND hwnd;

	if (!context)
		return FALSE;

	gdi = context->gdi;
	if (!gdi || !gdi->primary || !gdi->primary->hdc || !gdi->primary->hdc->hwnd)
		return FALSE;

	hwnd = gdi->primary->hdc->hwnd;
	if (!hwnd->ninvalid)
		return FALSE;

	hwnd->invalid->null = 1;
	hwnd->ninvalid = 0;
	return TRUE;
}

BOOL rf_end_paint(rdpContext* context)
{
	TRACE_CALL(__func__);
	INT32 x, y;
	UINT32 w, h;
	rdpGdi* gdi;
	rfContext* rfi;
	RemminaProtocolWidget* gp;
	RemminaPluginRdpUiObject* ui;

	gdi = context->gdi;
	rfi = (rfContext*)context;
	gp = rfi->protocol_widget;

	if (gdi->primary->hdc->hwnd->invalid->null)
		return FALSE;

	x = gdi->primary->hdc->hwnd->invalid->x;
	y = gdi->primary->hdc->hwnd->invalid->y;
	w = gdi->primary->hdc->hwnd->invalid->w;
	h = gdi->primary->hdc->hwnd->invalid->h;

	ui = g_new0(RemminaPluginRdpUiObject, 1);
	ui->type = REMMINA_RDP_UI_UPDATE_REGION;
	ui->region.x = x;
	ui->region.y = y;
	ui->region.width = w;
	ui->region.height = h;

	remmina_rdp_event_queue_ui_async(rfi->protocol_widget, ui);

	return TRUE;
}

static BOOL rf_desktop_resize(rdpContext* context)
{
	TRACE_CALL(__func__);
	rfContext* rfi;
	RemminaProtocolWidget* gp;
	RemminaPluginRdpUiObject* ui;

	rfi = (rfContext*)context;
	gp = rfi->protocol_widget;

	remmina_plugin_service->protocol_plugin_set_width(gp, rfi->settings->DesktopWidth);
	remmina_plugin_service->protocol_plugin_set_height(gp, rfi->settings->DesktopHeight);

	/* Call to remmina_rdp_event_update_scale(gp) on the main UI thread */

	ui = g_new0(RemminaPluginRdpUiObject, 1);
	ui->type = REMMINA_RDP_UI_EVENT;
	ui->event.type = REMMINA_RDP_UI_EVENT_UPDATE_SCALE;
	remmina_rdp_event_queue_ui_sync_retint(gp, ui);

	remmina_plugin_service->protocol_plugin_emit_signal(gp, "desktop-resize");

	return TRUE;
}

static BOOL remmina_rdp_pre_connect(freerdp* instance)
{
	TRACE_CALL(__func__);
	rfContext* rfi;
	ALIGN64 rdpSettings* settings;
	RemminaProtocolWidget* gp;

	rfi = (rfContext*)instance->context;
	settings = instance->settings;
	gp = rfi->protocol_widget;

	settings->OsMajorType = OSMAJORTYPE_UNIX;
	settings->OsMinorType = OSMINORTYPE_UNSPECIFIED;
	ZeroMemory(settings->OrderSupport, 32);

	settings->BitmapCacheEnabled = True;
	settings->OffscreenSupportLevel = True;


	settings->OrderSupport[NEG_DSTBLT_INDEX] = True;
	settings->OrderSupport[NEG_PATBLT_INDEX] = True;
	settings->OrderSupport[NEG_SCRBLT_INDEX] = True;
	settings->OrderSupport[NEG_OPAQUE_RECT_INDEX] = True;
	settings->OrderSupport[NEG_DRAWNINEGRID_INDEX] = False;
	settings->OrderSupport[NEG_MULTIDSTBLT_INDEX] = False;
	settings->OrderSupport[NEG_MULTIPATBLT_INDEX] = False;
	settings->OrderSupport[NEG_MULTISCRBLT_INDEX] = False;
	settings->OrderSupport[NEG_MULTIOPAQUERECT_INDEX] = True;
	settings->OrderSupport[NEG_MULTI_DRAWNINEGRID_INDEX] = False;
	settings->OrderSupport[NEG_LINETO_INDEX] = True;
	settings->OrderSupport[NEG_POLYLINE_INDEX] = True;
	settings->OrderSupport[NEG_MEMBLT_INDEX] = settings->BitmapCacheEnabled;
	settings->OrderSupport[NEG_MEM3BLT_INDEX] = settings->BitmapCacheEnabled;
	settings->OrderSupport[NEG_MEMBLT_V2_INDEX] = settings->BitmapCacheEnabled;
	settings->OrderSupport[NEG_MEM3BLT_V2_INDEX] = settings->BitmapCacheEnabled;
	settings->OrderSupport[NEG_SAVEBITMAP_INDEX] = False;
	settings->OrderSupport[NEG_GLYPH_INDEX_INDEX] = True;
	settings->OrderSupport[NEG_FAST_INDEX_INDEX] = True;
	settings->OrderSupport[NEG_FAST_GLYPH_INDEX] = True;
	settings->OrderSupport[NEG_POLYGON_SC_INDEX] = False;
	settings->OrderSupport[NEG_POLYGON_CB_INDEX] = False;
	settings->OrderSupport[NEG_ELLIPSE_SC_INDEX] = False;
	settings->OrderSupport[NEG_ELLIPSE_CB_INDEX] = False;

	if (settings->RemoteFxCodec == True) {
		settings->FrameAcknowledge = False;
		settings->LargePointerFlag = True;
		settings->PerformanceFlags = PERF_FLAG_NONE;

		rfi->rfx_context = rfx_context_new(FALSE);
	}

	PubSub_SubscribeChannelConnected(instance->context->pubSub,
		(pChannelConnectedEventHandler)remmina_rdp_OnChannelConnectedEventHandler);
	PubSub_SubscribeChannelDisconnected(instance->context->pubSub,
		(pChannelDisconnectedEventHandler)remmina_rdp_OnChannelDisconnectedEventHandler);

	freerdp_client_load_addins(instance->context->channels, instance->settings);

	return True;
}

static UINT32 rf_get_local_color_format(rfContext* rfi, BOOL aligned)
{
	UINT32 DstFormat;
	BOOL invert = aligned;

	if (!rfi)
		return 0;

	if (rfi->bpp == 32)
		DstFormat = (!invert) ? PIXEL_FORMAT_RGBA32 : PIXEL_FORMAT_BGRA32;
	else if (rfi->bpp == 24) {
		if (aligned)
			DstFormat = (!invert) ? PIXEL_FORMAT_RGBX32 : PIXEL_FORMAT_BGRX32;
		else
			DstFormat = (!invert) ? PIXEL_FORMAT_RGB24 : PIXEL_FORMAT_BGR24;
	}else if (rfi->bpp == 16)
		DstFormat = (!invert) ? PIXEL_FORMAT_RGB16 : PIXEL_FORMAT_BGR16;
	else if (rfi->bpp == 15)
		DstFormat = (!invert) ? PIXEL_FORMAT_RGB16 : PIXEL_FORMAT_BGR16;
	else
		DstFormat = (!invert) ? PIXEL_FORMAT_RGBX32 : PIXEL_FORMAT_BGRX32;

	return DstFormat;
}


static BOOL remmina_rdp_post_connect(freerdp* instance)
{
	TRACE_CALL(__func__);
	rfContext* rfi;
	RemminaProtocolWidget* gp;
	RemminaPluginRdpUiObject* ui;
	rdpGdi* gdi;
	int hdcBytesPerPixel, hdcBitsPerPixel;

	rfi = (rfContext*)instance->context;
	gp = rfi->protocol_widget;

	rfi->width = rfi->settings->DesktopWidth;
	rfi->height = rfi->settings->DesktopHeight;
	rfi->srcBpp = rfi->settings->ColorDepth;

	if (rfi->settings->RemoteFxCodec == FALSE)
		rfi->sw_gdi = TRUE;

	rf_register_graphics(instance->context->graphics);

	if (rfi->bpp == 32) {
		hdcBytesPerPixel = 4;
		hdcBitsPerPixel = 32;
		rfi->cairo_format = CAIRO_FORMAT_ARGB32;
	}else if (rfi->bpp == 24) {
		hdcBytesPerPixel = 4;
		hdcBitsPerPixel = 32;
		rfi->cairo_format = CAIRO_FORMAT_RGB24;
	}else {
		hdcBytesPerPixel = 2;
		hdcBitsPerPixel = 16;
		rfi->cairo_format = CAIRO_FORMAT_RGB16_565;
	}

	gdi_init(instance, rf_get_local_color_format(rfi, TRUE));
	gdi = instance->context->gdi;
	rfi->primary_buffer = gdi->primary_buffer;

/*	rfi->hdc = gdi_GetDC();
        rfi->hdc->bitsPerPixel = hdcBitsPerPixel;
        rfi->hdc->bytesPerPixel = hdcBytesPerPixel;

        rfi->hdc->hwnd = (HGDI_WND) malloc(sizeof(GDI_WND));
        rfi->hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0);
        rfi->hdc->hwnd->invalid->null = 1;

        rfi->hdc->hwnd->count = 32;
        rfi->hdc->hwnd->cinvalid = (HGDI_RGN) malloc(sizeof(GDI_RGN) * rfi->hdc->hwnd->count);
        rfi->hdc->hwnd->ninvalid = 0;
 *
 */

	pointer_cache_register_callbacks(instance->update);

	instance->update->BeginPaint = rf_begin_paint;
	instance->update->EndPaint = rf_end_paint;
	instance->update->DesktopResize = rf_desktop_resize;

	remmina_rdp_clipboard_init(rfi);
	rfi->connected = True;

	ui = g_new0(RemminaPluginRdpUiObject, 1);
	ui->type = REMMINA_RDP_UI_CONNECTED;
	remmina_rdp_event_queue_ui_async(gp, ui);

	return True;
}

static BOOL remmina_rdp_authenticate(freerdp* instance, char** username, char** password, char** domain)
{
	TRACE_CALL(__func__);
	gchar *s_username, *s_password, *s_domain;
	gint ret;
	rfContext* rfi;
	RemminaProtocolWidget* gp;
	gboolean save;
	gboolean disablepasswordstoring;
	RemminaFile* remminafile;

	rfi = (rfContext*)instance->context;
	gp = rfi->protocol_widget;
	remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
	disablepasswordstoring = remmina_plugin_service->file_get_int(remminafile, "disablepasswordstoring", FALSE);
	ret = remmina_plugin_service->protocol_plugin_init_authuserpwd(gp, TRUE, !disablepasswordstoring);

	if (ret == GTK_RESPONSE_OK) {
		s_username = remmina_plugin_service->protocol_plugin_init_get_username(gp);
		if (s_username) rfi->settings->Username = strdup(s_username);

		s_password = remmina_plugin_service->protocol_plugin_init_get_password(gp);
		if (s_password) rfi->settings->Password = strdup(s_password);

		s_domain = remmina_plugin_service->protocol_plugin_init_get_domain(gp);
		if (s_domain) rfi->settings->Domain = strdup(s_domain);

		save = remmina_plugin_service->protocol_plugin_init_get_savepassword(gp);
		if (save) {
			// User has requested to save credentials. We put all the new cretentials
			// into remminafile->settings. They will be saved later, on successful connection, by
			// remmina_connection_window.c

			remmina_plugin_service->file_set_string( remminafile, "username", s_username );
			remmina_plugin_service->file_set_string( remminafile, "password", s_password );
			remmina_plugin_service->file_set_string( remminafile, "domain", s_domain );

		}

		if ( s_username ) g_free( s_username );
		if ( s_password ) g_free( s_password );
		if ( s_domain ) g_free( s_domain );

		return True;
	}else {
		rfi->user_cancelled = TRUE;
		return False;
	}

	return True;
}

static DWORD remmina_rdp_verify_certificate(freerdp* instance, const char *common_name, const char* subject,
					    const char* issuer, const char* fingerprint, BOOL host_mismatch)
{
	TRACE_CALL(__func__);
	gint status;
	rfContext* rfi;
	RemminaProtocolWidget* gp;

	rfi = (rfContext*)instance->context;
	gp = rfi->protocol_widget;

	status = remmina_plugin_service->protocol_plugin_init_certificate(gp, subject, issuer, fingerprint);

	if (status == GTK_RESPONSE_OK)
		return 1;

	return 0;
}
static DWORD remmina_rdp_verify_changed_certificate(freerdp* instance,
						    const char* common_name, const char* subject, const char* issuer,
						    const char* new_fingerprint, const char* old_subject, const char* old_issuer, const char* old_fingerprint)
{
	TRACE_CALL(__func__);
	gint status;
	rfContext* rfi;
	RemminaProtocolWidget* gp;

	rfi = (rfContext*)instance->context;
	gp = rfi->protocol_widget;

	status = remmina_plugin_service->protocol_plugin_changed_certificate(gp, subject, issuer, new_fingerprint, old_fingerprint);

	if (status == GTK_RESPONSE_OK)
		return 1;

	return 0;
}

static void remmina_rdp_main_loop(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);
	DWORD nCount;
	DWORD status;
	HANDLE handles[64];
	gchar buf[100];
	rfContext* rfi = GET_PLUGIN_DATA(gp);

	while (!freerdp_shall_disconnect(rfi->instance)) {
		nCount = freerdp_get_event_handles(rfi->instance->context, &handles[0], 64);
		if (rfi->event_handle) {
			handles[nCount++] = rfi->event_handle;
		}

		if (nCount == 0) {
			fprintf(stderr, "freerdp_get_event_handles failed\n");
			break;
		}

		status = WaitForMultipleObjects(nCount, handles, FALSE, 100);

		if (status == WAIT_FAILED) {
			fprintf(stderr, "WaitForMultipleObjects failed with %lu\n", (unsigned long)status);
			break;
		}

		if (rfi->event_handle && WaitForSingleObject(rfi->event_handle, 0) == WAIT_OBJECT_0) {
			if (!rf_process_event_queue(gp)) {
				fprintf(stderr, "Failed to process local kb/mouse event queue\n");
				break;
			}
			if (read(rfi->event_pipe[0], buf, sizeof(buf))) {
			}
		}

		if (!freerdp_check_event_handles(rfi->instance->context)) {
			if (rf_auto_reconnect(rfi)) {
				/* Reset the possible reason/error which made us doing many reconnection reattempts and continue */
				remmina_plugin_service->protocol_plugin_set_error(gp, NULL);
				continue;
			}
			fprintf(stderr, "Failed to check FreeRDP event handles\n");
			break;
		}
	}
}

int remmina_rdp_load_static_channel_addin(rdpChannels* channels, rdpSettings* settings, char* name, void* data)
{
	TRACE_CALL(__func__);
	void* entry;

	entry = freerdp_load_channel_addin_entry(name, NULL, NULL, FREERDP_ADDIN_CHANNEL_STATIC);
	if (entry) {
		if (freerdp_channels_client_load(channels, settings, entry, data) == 0) {
			fprintf(stderr, "loading channel %s\n", name);
			return 0;
		}
	}

	return -1;
}

/* Send CTRL+ALT+DEL keys keystrokes to the plugin drawing_area widget */
static void remmina_rdp_send_ctrlaltdel(RemminaProtocolWidget *gp)
{
	TRACE_CALL(__func__);
	guint keys[] = { GDK_KEY_Control_L, GDK_KEY_Alt_L, GDK_KEY_Delete };
	rfContext* rfi = GET_PLUGIN_DATA(gp);

	remmina_plugin_service->protocol_plugin_send_keys_signals(rfi->drawing_area,
		keys, G_N_ELEMENTS(keys), GDK_KEY_PRESS | GDK_KEY_RELEASE);
}

static gboolean remmina_rdp_main(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);
	const gchar* s;
	gchar *sm;
	gchar* value;
	gint rdpsnd_rate;
	gint rdpsnd_channel;
	char *rdpsnd_params[3];
	int rdpsnd_nparams;
	char rdpsnd_param1[16];
	char rdpsnd_param2[16];
	const gchar* cs;
	RemminaFile* remminafile;
	rfContext* rfi = GET_PLUGIN_DATA(gp);
	gchar *gateway_host;
	gint gateway_port;
	gint desktopOrientation, desktopScaleFactor, deviceScaleFactor;
	gint dynresw, dynresh;

	remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);

	if (!remmina_rdp_tunnel_init(gp))
		return FALSE;

	rfi->settings->AutoReconnectionEnabled = ( remmina_plugin_service->file_get_int(remminafile, "disableautoreconnect", FALSE) ? FALSE : TRUE );
	/* Disable RDP auto reconnection when ssh tunnel is enabled */
	if (remmina_plugin_service->file_get_int(remminafile, "ssh_enabled", FALSE)) {
		rfi->settings->AutoReconnectionEnabled = FALSE;
	}

	rfi->settings->ColorDepth = remmina_plugin_service->file_get_int(remminafile, "colordepth", 66);

	rfi->settings->SoftwareGdi = TRUE;

	if (rfi->settings->ColorDepth == 0) {
		/* RFX (Win7)*/
		rfi->settings->RemoteFxCodec = TRUE;
		rfi->settings->SupportGraphicsPipeline = FALSE;
		rfi->settings->ColorDepth = 32;
	} else if (rfi->settings->ColorDepth == 64) {
		/* /gfx:rfx (Win8) */
		rfi->settings->ColorDepth = 32;
		rfi->settings->SupportGraphicsPipeline = TRUE;
		rfi->settings->GfxH264 = TRUE;
		rfi->settings->GfxAVC444 = FALSE;
	} else if (rfi->settings->ColorDepth == 65) {
		/* /gfx:avc420 (Win8.1) */
		rfi->settings->ColorDepth = 32;
		rfi->settings->SupportGraphicsPipeline = TRUE;
		rfi->settings->GfxH264 = TRUE;
		rfi->settings->GfxAVC444 = FALSE;
	} else if (rfi->settings->ColorDepth >= 66) {
		/* /gfx:avc444 (Win10) */
		rfi->settings->ColorDepth = 32;
		rfi->settings->SupportGraphicsPipeline = TRUE;
		rfi->settings->GfxH264 = TRUE;
		rfi->settings->GfxAVC444 = TRUE;
	}

	rfi->settings->DesktopWidth = remmina_plugin_service->get_profile_remote_width(gp);
	rfi->settings->DesktopHeight = remmina_plugin_service->get_profile_remote_height(gp);
	dynresw = remmina_plugin_service->file_get_int(remminafile, "dynamic_resolution_width", 0);
	dynresh = remmina_plugin_service->file_get_int(remminafile, "dynamic_resolution_height", 0);

	if (rfi->scale == REMMINA_PROTOCOL_WIDGET_SCALE_MODE_DYNRES && dynresh != 0 && dynresw != 0) {
		rfi->settings->DesktopWidth = dynresw;
		rfi->settings->DesktopHeight = dynresh;
	}
	remmina_plugin_service->protocol_plugin_set_width(gp, rfi->settings->DesktopWidth);
	remmina_plugin_service->protocol_plugin_set_height(gp, rfi->settings->DesktopHeight);

	if (remmina_plugin_service->file_get_string(remminafile, "username"))
		rfi->settings->Username = strdup(remmina_plugin_service->file_get_string(remminafile, "username"));

	if (remmina_plugin_service->file_get_string(remminafile, "domain"))
		rfi->settings->Domain = strdup(remmina_plugin_service->file_get_string(remminafile, "domain"));

	s = remmina_plugin_service->file_get_string(remminafile, "password");

	if (s) {
		rfi->settings->Password = strdup(s);
		rfi->settings->AutoLogonEnabled = 1;
	}
	/* Remote Desktop Gateway server address */
	rfi->settings->GatewayEnabled = FALSE;
	s = remmina_plugin_service->file_get_string(remminafile, "gateway_server");
	if (s) {
		remmina_plugin_service->get_server_port(s, 443, &gateway_host, &gateway_port);
		rfi->settings->GatewayHostname = gateway_host;
		rfi->settings->GatewayPort = gateway_port;
		rfi->settings->GatewayEnabled = TRUE;
		rfi->settings->GatewayUseSameCredentials = TRUE;
	}
	/* Remote Desktop Gateway domain */
	if (remmina_plugin_service->file_get_string(remminafile, "gateway_domain")) {
		rfi->settings->GatewayDomain = strdup(remmina_plugin_service->file_get_string(remminafile, "gateway_domain"));
		rfi->settings->GatewayUseSameCredentials = FALSE;
	}
	/* Remote Desktop Gateway username */
	if (remmina_plugin_service->file_get_string(remminafile, "gateway_username")) {
		rfi->settings->GatewayUsername = strdup(remmina_plugin_service->file_get_string(remminafile, "gateway_username"));
		rfi->settings->GatewayUseSameCredentials = FALSE;
	}
	/* Remote Desktop Gateway password */
	s = remmina_plugin_service->file_get_string(remminafile, "gateway_password");
	if (s) {
		rfi->settings->GatewayPassword = strdup(s);
		rfi->settings->GatewayUseSameCredentials = FALSE;
	}
	/* If no different credentials were provided for the Remote Desktop Gateway
	 * use the same authentication credentials for the host */
	if (rfi->settings->GatewayEnabled && rfi->settings->GatewayUseSameCredentials) {
		g_free(rfi->settings->GatewayDomain);
		rfi->settings->GatewayDomain = g_strdup(rfi->settings->Domain);
		g_free(rfi->settings->GatewayUsername);
		rfi->settings->GatewayUsername = g_strdup(rfi->settings->Username);
		g_free(rfi->settings->GatewayPassword);
		rfi->settings->GatewayPassword = g_strdup(rfi->settings->Password);
	}
	/* Remote Desktop Gateway usage */
	if (rfi->settings->GatewayEnabled)
		freerdp_set_gateway_usage_method(rfi->settings,
			remmina_plugin_service->file_get_int(remminafile, "gateway_usage", FALSE) ? TSC_PROXY_MODE_DETECT : TSC_PROXY_MODE_DIRECT);
	/* Certificate ignore */
	rfi->settings->IgnoreCertificate = remmina_plugin_service->file_get_int(remminafile, "cert_ignore", 0);

	/* ClientHostname is internally preallocated to 32 bytes by libfreerdp */
	if ((cs = remmina_plugin_service->file_get_string(remminafile, "clientname"))) {
		strncpy(rfi->settings->ClientHostname, cs, FREERDP_CLIENTHOSTNAME_LEN - 1);
	}else {
		strncpy(rfi->settings->ClientHostname, g_get_host_name(), FREERDP_CLIENTHOSTNAME_LEN - 1);
	}
	rfi->settings->ClientHostname[FREERDP_CLIENTHOSTNAME_LEN - 1] = 0;

	if (remmina_plugin_service->file_get_string(remminafile, "loadbalanceinfo")) {
		rfi->settings->LoadBalanceInfo = (BYTE*)strdup(remmina_plugin_service->file_get_string(remminafile, "loadbalanceinfo"));
		rfi->settings->LoadBalanceInfoLength = (UINT32)strlen((char*)rfi->settings->LoadBalanceInfo);
	}

	if (remmina_plugin_service->file_get_string(remminafile, "exec")) {
		rfi->settings->AlternateShell = strdup(remmina_plugin_service->file_get_string(remminafile, "exec"));
	}

	if (remmina_plugin_service->file_get_string(remminafile, "execpath")) {
		rfi->settings->ShellWorkingDirectory = strdup(remmina_plugin_service->file_get_string(remminafile, "execpath"));
	}

	sm = g_strdup_printf("rdp_quality_%i", remmina_plugin_service->file_get_int(remminafile, "quality", DEFAULT_QUALITY_0));
	value = remmina_plugin_service->pref_get_value(sm);
	g_free(sm);

	if (value && value[0]) {
		rfi->settings->PerformanceFlags = strtoul(value, NULL, 16);
	}else {
		switch (remmina_plugin_service->file_get_int(remminafile, "quality", DEFAULT_QUALITY_0)) {
		case 9:
			rfi->settings->PerformanceFlags = DEFAULT_QUALITY_9;
			break;

		case 2:
			rfi->settings->PerformanceFlags = DEFAULT_QUALITY_2;
			break;

		case 1:
			rfi->settings->PerformanceFlags = DEFAULT_QUALITY_1;
			break;

		case 0:
		default:
			rfi->settings->PerformanceFlags = DEFAULT_QUALITY_0;
			break;
		}
	}
	g_free(value);

	/* PerformanceFlags bitmask need also to be splitted into BOOL variables
	 * like rfi->settings->DisableWallpaper, rfi->settings->AllowFontSmoothing...
	 * or freerdp_get_param_bool() function will return the wrong value
	 */
	freerdp_performance_flags_split(rfi->settings);

	rfi->settings->KeyboardLayout = remmina_rdp_settings_get_keyboard_layout();

	if (remmina_plugin_service->file_get_int(remminafile, "console", FALSE)) {
		rfi->settings->ConsoleSession = True;
	}

	cs = remmina_plugin_service->file_get_string(remminafile, "security");



	if (g_strcmp0(cs, "rdp") == 0) {
		rfi->settings->RdpSecurity = True;
		rfi->settings->TlsSecurity = False;
		rfi->settings->NlaSecurity = False;
		rfi->settings->ExtSecurity = False;
		rfi->settings->UseRdpSecurityLayer = True;
	}else if (g_strcmp0(cs, "tls") == 0) {
		rfi->settings->RdpSecurity = False;
		rfi->settings->TlsSecurity = True;
		rfi->settings->NlaSecurity = False;
		rfi->settings->ExtSecurity = False;
	}else if (g_strcmp0(cs, "nla") == 0) {
		rfi->settings->RdpSecurity = False;
		rfi->settings->TlsSecurity = False;
		rfi->settings->NlaSecurity = True;
		rfi->settings->ExtSecurity = False;
	}

	/* This is "-nego" switch of xfreerdp */
	rfi->settings->NegotiateSecurityLayer = True;

	rfi->settings->CompressionEnabled = True;
	rfi->settings->FastPathInput = True;
	rfi->settings->FastPathOutput = True;

	/* Orientation and scaling settings */
	remmina_rdp_settings_get_orientation_scale_prefs(&desktopOrientation, &desktopScaleFactor, &deviceScaleFactor);

	rfi->settings->DesktopOrientation = desktopOrientation;
	if (desktopScaleFactor != 0 && deviceScaleFactor != 0) {
		rfi->settings->DesktopScaleFactor = desktopScaleFactor;
		rfi->settings->DeviceScaleFactor = deviceScaleFactor;
	}

	/* Try to enable "Display Control Virtual Channel Extension", needed to
	 * dynamically resize remote desktop. This will automatically open
	 * the "disp" dynamic channel, if available */
	rfi->settings->SupportDisplayControl = TRUE;

	cs = remmina_plugin_service->file_get_string(remminafile, "sound");

	if (g_strcmp0(cs, "remote") == 0) {
		rfi->settings->RemoteConsoleAudio = 1;
	}else if (g_str_has_prefix(cs, "local")) {

		rdpsnd_nparams = 0;
		rdpsnd_params[rdpsnd_nparams++] = "rdpsnd";

		cs = strchr(cs, ',');
		if (cs) {
			rdpsnd_rate = atoi(cs + 1);
			if (rdpsnd_rate > 1000 && rdpsnd_rate < 150000) {
				snprintf( rdpsnd_param1, sizeof(rdpsnd_param1), "rate:%d", rdpsnd_rate );
				rdpsnd_params[rdpsnd_nparams++] = rdpsnd_param1;
				cs = strchr(cs + 1, ',');
				if (cs) {
					rdpsnd_channel = atoi(cs + 1);
					if (rdpsnd_channel >= 1 && rdpsnd_channel <= 2) {
						snprintf( rdpsnd_param2, sizeof(rdpsnd_param2), "channel:%d", rdpsnd_channel );
						rdpsnd_params[rdpsnd_nparams++] = rdpsnd_param2;
					}
				}
			}
		}

		freerdp_client_add_static_channel(rfi->settings, rdpsnd_nparams, (char**)rdpsnd_params);

	}

	if ( remmina_plugin_service->file_get_int(remminafile, "microphone", FALSE) ? TRUE : FALSE ) {
		char* p[1];
		int count;

		count = 1;
		p[0] = "audin";

		freerdp_client_add_dynamic_channel(rfi->settings, count, p);
	}

	rfi->settings->RedirectClipboard = ( remmina_plugin_service->file_get_int(remminafile, "disableclipboard", FALSE) ? FALSE : TRUE );

	cs = remmina_plugin_service->file_get_string(remminafile, "sharefolder");

	if (cs && cs[0] == '/') {
		RDPDR_DRIVE* drive;
		gsize sz;

		drive = (RDPDR_DRIVE*)malloc(sizeof(RDPDR_DRIVE));
		ZeroMemory(drive, sizeof(RDPDR_DRIVE));

		s = strrchr( cs, '/' );
		if ( s == NULL || s[1] == 0 )
			s = remmina_rdp_plugin_default_drive_name;
		else
			s++;
		sm = g_convert_with_fallback(s, -1, "ascii", "utf-8", "_", NULL, &sz, NULL);

		drive->Type = RDPDR_DTYP_FILESYSTEM;
		drive->Name = _strdup(sm);
		drive->Path = _strdup(cs);
		g_free(sm);

		freerdp_device_collection_add(rfi->settings, (RDPDR_DEVICE*)drive);
		rfi->settings->DeviceRedirection = TRUE;
	}

	if (remmina_plugin_service->file_get_int(remminafile, "shareprinter", FALSE)) {
		RDPDR_PRINTER* printer;
		printer = (RDPDR_PRINTER*)malloc(sizeof(RDPDR_PRINTER));
		ZeroMemory(printer, sizeof(RDPDR_PRINTER));

		printer->Type = RDPDR_DTYP_PRINT;

		rfi->settings->DeviceRedirection = TRUE;
		rfi->settings->RedirectPrinters = TRUE;

		freerdp_device_collection_add(rfi->settings, (RDPDR_DEVICE*)printer);
	}

	if (remmina_plugin_service->file_get_int(remminafile, "sharesmartcard", FALSE)) {
		RDPDR_SMARTCARD* smartcard;
		smartcard = (RDPDR_SMARTCARD*)malloc(sizeof(RDPDR_SMARTCARD));
		ZeroMemory(smartcard, sizeof(RDPDR_SMARTCARD));

		smartcard->Type = RDPDR_DTYP_SMARTCARD;

		smartcard->Name = _strdup("scard");

		rfi->settings->DeviceRedirection = TRUE;
		rfi->settings->RedirectSmartCards = TRUE;

		freerdp_device_collection_add(rfi->settings, (RDPDR_DEVICE*)smartcard);
	}

	if (!freerdp_connect(rfi->instance)) {
		if (!rfi->user_cancelled) {
			UINT32 e;

			e = freerdp_get_last_error(rfi->instance->context);

			switch (e) {
			case FREERDP_ERROR_AUTHENTICATION_FAILED:
			case STATUS_LOGON_FAILURE:              // wrong return code from FreeRDP introduced at the end of July 2016 ? (fixed with b86c0ba)
#ifdef FREERDP_ERROR_CONNECT_LOGON_FAILURE
			case FREERDP_ERROR_CONNECT_LOGON_FAILURE:
#endif
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Authentication to RDP server %s failed.\nCheck username, password and domain."),
					rfi->settings->ServerHostname );
				// Invalidate the saved password, so the user will be re-asked at next logon
				remmina_plugin_service->file_unsave_password(remminafile);
				break;
			case STATUS_ACCOUNT_LOCKED_OUT:
#ifdef FREERDP_ERROR_CONNECT_ACCOUNT_LOCKED_OUT
			case FREERDP_ERROR_CONNECT_ACCOUNT_LOCKED_OUT:
#endif
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Access to RDP server %s failed.\nAccount is locked out."),
					rfi->settings->ServerHostname );
				break;
			case STATUS_ACCOUNT_EXPIRED:
#ifdef FREERDP_ERROR_CONNECT_ACCOUNT_EXPIRED
			case FREERDP_ERROR_CONNECT_ACCOUNT_EXPIRED:
#endif
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Access to RDP server %s failed.\nAccount is expired."),
					rfi->settings->ServerHostname );
				break;
			case STATUS_PASSWORD_EXPIRED:
#ifdef FREERDP_ERROR_CONNECT_PASSWORD_EXPIRED
			case FREERDP_ERROR_CONNECT_PASSWORD_EXPIRED:
#endif
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Access to RDP server %s failed.\nPassword expired."),
					rfi->settings->ServerHostname );
				break;
			case STATUS_ACCOUNT_DISABLED:
#ifdef FREERDP_ERROR_CONNECT_ACCOUNT_DISABLED
			case FREERDP_ERROR_CONNECT_ACCOUNT_DISABLED:
#endif
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Access to RDP server %s failed.\nAccount is disabled."),
					rfi->settings->ServerHostname );
				break;
			case STATUS_ACCOUNT_RESTRICTION:
#ifdef FREERDP_ERROR_CONNECT_ACCOUNT_RESTRICTION
			case FREERDP_ERROR_CONNECT_ACCOUNT_RESTRICTION:
#endif
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Access to RDP server %s failed.\nAccount has restrictions."),
					rfi->settings->ServerHostname );
				break;
			case FREERDP_ERROR_CONNECT_FAILED:
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Connection to RDP server %s failed."), rfi->settings->ServerHostname );
				break;
			case FREERDP_ERROR_DNS_NAME_NOT_FOUND:
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Unable to find the address of RDP server %s."), rfi->settings->ServerHostname );
				break;
			case FREERDP_ERROR_TLS_CONNECT_FAILED:
				remmina_plugin_service->protocol_plugin_set_error(gp,
					_("Error connecting to RDP server %s. TLS connection failed. Check that client and server support a common TLS version."), rfi->settings->ServerHostname );
				break;
			case FREERDP_ERROR_SECURITY_NEGO_CONNECT_FAILED:
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Unable to establish a connection to RDP server %s."), rfi->settings->ServerHostname );
				break;
			default:
				remmina_plugin_service->protocol_plugin_set_error(gp, _("Unable to connect to RDP server %s"), rfi->settings->ServerHostname);
				break;
			}

		}

		return FALSE;
	}

	remmina_rdp_main_loop(gp);

	return TRUE;
}

static gpointer remmina_rdp_main_thread(gpointer data)
{
	TRACE_CALL(__func__);
	RemminaProtocolWidget* gp;
	rfContext* rfi;

	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
	CANCEL_ASYNC

		gp = (RemminaProtocolWidget*)data;
	rfi = GET_PLUGIN_DATA(gp);
	remmina_rdp_main(gp);
	rfi->thread = 0;


	/* Signal main thread that we closed the connection. But wait 200ms, because we may
	 * have outstaiding events to process in the meanwhile */
	g_timeout_add(200, ((GSourceFunc)remmina_plugin_service->protocol_plugin_close_connection), gp);

	return NULL;
}

static void remmina_rdp_init(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);
	freerdp* instance;
	rfContext* rfi;

	instance = freerdp_new();
	instance->PreConnect = remmina_rdp_pre_connect;
	instance->PostConnect = remmina_rdp_post_connect;
	instance->Authenticate = remmina_rdp_authenticate;
	instance->VerifyCertificate = remmina_rdp_verify_certificate;
	instance->VerifyChangedCertificate = remmina_rdp_verify_changed_certificate;

	instance->ContextSize = sizeof(rfContext);
	freerdp_context_new(instance);
	rfi = (rfContext*)instance->context;

	g_object_set_data_full(G_OBJECT(gp), "plugin-data", rfi, free);

	rfi->protocol_widget = gp;
	rfi->instance = instance;
	rfi->settings = instance->settings;
	rfi->connected = False;
	rfi->is_reconnecting = False;

	freerdp_register_addin_provider(freerdp_channels_load_static_addin_entry, 0);

	remmina_rdp_event_init(gp);
}

static gboolean remmina_rdp_open_connection(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);
	rfContext* rfi = GET_PLUGIN_DATA(gp);

	rfi->scale = remmina_plugin_service->remmina_protocol_widget_get_current_scale_mode(gp);

	if (pthread_create(&rfi->thread, NULL, remmina_rdp_main_thread, gp)) {
		remmina_plugin_service->protocol_plugin_set_error(gp, "%s",
			"Failed to initialize pthread. Falling back to non-thread mode...");

		rfi->thread = 0;

		return FALSE;
	}

	return TRUE;
}

static gboolean remmina_rdp_close_connection(RemminaProtocolWidget* gp)
{
	TRACE_CALL(__func__);
	rfContext* rfi = GET_PLUGIN_DATA(gp);
	freerdp* instance;
	RemminaPluginRdpUiObject* ui;

	if (freerdp_get_last_error(rfi->instance->context) == 0x10005) {
		remmina_plugin_service->protocol_plugin_set_error(gp, "Another user connected to the server (%s), forcing the disconnection of the current connection.", rfi->settings->ServerHostname);
	}
	instance = rfi->instance;
	if (rfi->thread) {
		rfi->thread_cancelled = TRUE;   // Avoid all rf_queue function to run
		pthread_cancel(rfi->thread);

		if (rfi->thread)
			pthread_join(rfi->thread, NULL);

	}

	/* Cleanup clipboard: we cannot leave clipboard requesting data to this
	 * connection */
	ui = g_new0(RemminaPluginRdpUiObject, 1);
	ui->type = REMMINA_RDP_UI_CLIPBOARD;
	ui->clipboard.type = REMMINA_RDP_UI_CLIPBOARD_DETACH_OWNER;
	remmina_rdp_event_queue_ui_sync_retint(gp, ui);

	if (instance) {
		if ( rfi->connected ) {
			freerdp_disconnect(instance);
			rfi->connected = False;
		}
	}

	if (rfi->hdc) {
		gdi_DeleteDC(rfi->hdc);
		rfi->hdc = NULL;
	}

	remmina_rdp_clipboard_free(rfi);
	if (rfi->rfx_context) {
		rfx_context_free(rfi->rfx_context);
		rfi->rfx_context = NULL;
	}

	if (instance) {
		gdi_free(instance);
		cache_free(instance->context->cache);
		instance->context->cache = NULL;
	}

	/* Destroy event queue. Pending async events will be discarded. Should we flush it ? */
	remmina_rdp_event_uninit(gp);

	if (instance) {
		freerdp_context_free(instance); /* context is rfContext* rfi */
		freerdp_free(instance);         /* This implicitly frees instance->context and rfi is no longer valid */
	}

	/* Remove instance->context from gp object data to avoid double free */
	g_object_steal_data(G_OBJECT(gp), "plugin-data");

	/* Now let remmina to complete its disconnection tasks */
	remmina_plugin_service->protocol_plugin_emit_signal(gp, "disconnect");

	return FALSE;
}

static gboolean remmina_rdp_query_feature(RemminaProtocolWidget* gp, const RemminaProtocolFeature* feature)
{
	TRACE_CALL(__func__);
	return TRUE;
}

static void remmina_rdp_call_feature(RemminaProtocolWidget* gp, const RemminaProtocolFeature* feature)
{
	TRACE_CALL(__func__);
	RemminaFile* remminafile;
	rfContext* rfi = GET_PLUGIN_DATA(gp);

	remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);

	switch (feature->id) {
	case REMMINA_RDP_FEATURE_UNFOCUS:
		remmina_rdp_event_unfocus(gp);
		break;

	case REMMINA_RDP_FEATURE_SCALE:
		rfi->scale = remmina_plugin_service->remmina_protocol_widget_get_current_scale_mode(gp);
		remmina_rdp_event_update_scale(gp);
		break;

	case REMMINA_RDP_FEATURE_DYNRESUPDATE:
		break;

	case REMMINA_RDP_FEATURE_TOOL_REFRESH:
		gtk_widget_queue_draw_area(rfi->drawing_area, 0, 0,
			remmina_plugin_service->protocol_plugin_get_width(gp),
			remmina_plugin_service->protocol_plugin_get_height(gp));
		break;

	case REMMINA_RDP_FEATURE_TOOL_SENDCTRLALTDEL:
		remmina_rdp_send_ctrlaltdel(gp);
		break;

	default:
		break;
	}
}

/* Send a keystroke to the plugin window */
static void remmina_rdp_keystroke(RemminaProtocolWidget *gp, const guint keystrokes[], const gint keylen)
{
	TRACE_CALL(__func__);
	rfContext* rfi = GET_PLUGIN_DATA(gp);
	remmina_plugin_service->protocol_plugin_send_keys_signals(rfi->drawing_area,
		keystrokes, keylen, GDK_KEY_PRESS | GDK_KEY_RELEASE);
	return;
}

static gboolean remmina_rdp_get_screenshot(RemminaProtocolWidget *gp, RemminaPluginScreenshotData *rpsd)
{
	rfContext* rfi = GET_PLUGIN_DATA(gp);
	rdpGdi* gdi;
	size_t szmem;

	UINT32 bytesPerPixel;
	UINT32 bitsPerPixel;

	if (!rfi)
		return FALSE;

	gdi = ((rdpContext*)rfi)->gdi;

	bytesPerPixel = GetBytesPerPixel(gdi->hdc->format);
	bitsPerPixel = GetBitsPerPixel(gdi->hdc->format);

	/** @todo we should lock freerdp subthread to update rfi->primary_buffer, rfi->gdi and w/h,
	 * from here to memcpy, but... how ? */

	szmem = gdi->width * gdi->height * bytesPerPixel;

	remmina_plugin_service->log_printf("[RDP] allocating %zu bytes for a full screenshot\n", szmem);
	rpsd->buffer = malloc(szmem);
	if (!rpsd->buffer) {
		remmina_plugin_service->log_printf("[RDP] unable to allocate %zu bytes for a full screenshot\n", szmem);
		return FALSE;
	}
	rpsd->width = gdi->width;
	rpsd->height = gdi->height;
	rpsd->bitsPerPixel = bitsPerPixel;
	rpsd->bytesPerPixel = bytesPerPixel;

	memcpy(rpsd->buffer, gdi->primary_buffer, szmem);

	/* Returning TRUE instruct also the caller to deallocate rpsd->buffer */
	return TRUE;

}

/* Array of key/value pairs for color depths */
static gpointer colordepth_list[] =
{
	/* 1st one is the default in a new install */
	"66",  N_("GFX AVC444 (32 bpp)"),
	"65",  N_("GFX AVC420 (32 bpp)"),
	"64",  N_("GFX RFX (32 bpp)"),
	"0",  N_("RemoteFX (32 bpp)"),
	"32", N_("True color (32 bpp)"),
	"24", N_("True color (24 bpp)"),
	"16", N_("High color (16 bpp)"),
	"15", N_("High color (15 bpp)"),
	"8",  N_("256 colors (8 bpp)"),
	NULL
};

/* Array of key/value pairs for quality selection */
static gpointer quality_list[] =
{
	"0", N_("Poor (fastest)"),
	"1", N_("Medium"),
	"2", N_("Good"),
	"9", N_("Best (slowest)"),
	NULL
};

/* Array of key/value pairs for sound options */
static gpointer sound_list[] =
{
	"off",		 N_("Off"),
	"local",	 N_("Local"),
	"local,11025,1", N_("Local - low quality"),
	"local,22050,2", N_("Local - medium quality"),
	"local,44100,2", N_("Local - high quality"),
	"remote",	 N_("Remote"),
	NULL
};

/* Array of key/value pairs for security */
static gpointer security_list[] =
{
	"",    N_("Negotiate"),
	"nla", "NLA",
	"tls", "TLS",
	"rdp", "RDP",
	NULL
};

/* Array of RemminaProtocolSetting for basic settings.
 * Each item is composed by:
 * a) RemminaProtocolSettingType for setting type
 * b) Setting name
 * c) Setting description
 * d) Compact disposition
 * e) Values for REMMINA_PROTOCOL_SETTING_TYPE_SELECT or REMMINA_PROTOCOL_SETTING_TYPE_COMBO
 * f) Unused pointer
 */
static const RemminaProtocolSetting remmina_rdp_basic_settings[] =
{
	{ REMMINA_PROTOCOL_SETTING_TYPE_SERVER,	    "server",			NULL,					    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "username",			N_("User name"),			    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_PASSWORD,   "password",			N_("User password"),			    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "domain",			N_("Domain"),				    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_RESOLUTION, "resolution",		NULL,					    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_SELECT,	    "colordepth",		N_("Color depth"),			    FALSE,	colordepth_list,    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_FOLDER,	    "sharefolder",		N_("Share folder"),			    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "disableautoreconnect",	N_("Disable automatic reconnection"),	    FALSE,	NULL,		    NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_END,	    NULL,			NULL,					    FALSE,	NULL,		    NULL}
};

/* Array of RemminaProtocolSetting for advanced settings.
 * Each item is composed by:
 * a) RemminaProtocolSettingType for setting type
 * b) Setting name
 * c) Setting description
 * d) Compact disposition
 * e) Values for REMMINA_PROTOCOL_SETTING_TYPE_SELECT or REMMINA_PROTOCOL_SETTING_TYPE_COMBO
 * f) Unused pointer
 */
static const RemminaProtocolSetting remmina_rdp_advanced_settings[] =
{
	{ REMMINA_PROTOCOL_SETTING_TYPE_SELECT,	    "quality",		       N_("Quality"),				FALSE,	quality_list,	NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_SELECT,	    "sound",		       N_("Sound"),				FALSE,	sound_list,	NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_SELECT,	    "security",		       N_("Security"),				FALSE,	security_list,	NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "gateway_server",	       N_("RD Gateway server"),			FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "gateway_username",	       N_("RD Gateway username"),		FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_PASSWORD,   "gateway_password",	       N_("RD Gateway password"),		FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "gateway_domain",	       N_("RD Gateway domain"),			FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "clientname",	       N_("Client name"),			FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "exec",		       N_("Startup program"),			FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "execpath",		       N_("Startup path"),			FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT,	    "loadbalanceinfo",	       N_("Load Balance Info"),			FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "cert_ignore",	       N_("Ignore certificate"),		TRUE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "microphone",	       N_("Redirect local microphone"),		TRUE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "sharesmartcard",	       N_("Share smartcard"),			TRUE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "shareprinter",	       N_("Share local printers"),		TRUE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "disablepasswordstoring",  N_("Disable password storing"),		TRUE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "disableclipboard",	       N_("Disable clipboard sync"),		TRUE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "console",		       N_("Attach to console (2003/2003 R2)"),	FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	    "gateway_usage",	       N_("Server detection using RD Gateway"),	FALSE,	NULL,		NULL},
	{ REMMINA_PROTOCOL_SETTING_TYPE_END,	    NULL,			NULL,					FALSE,	NULL,		NULL}
};

/* Array for available features.
 * The last element of the array must be REMMINA_PROTOCOL_FEATURE_TYPE_END. */
static const RemminaProtocolFeature remmina_rdp_features[] =
{
	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      REMMINA_RDP_FEATURE_TOOL_REFRESH,		N_("Refresh"),		    NULL,	NULL},
	{ REMMINA_PROTOCOL_FEATURE_TYPE_SCALE,	      REMMINA_RDP_FEATURE_SCALE,		NULL,			    NULL,	NULL},
	{ REMMINA_PROTOCOL_FEATURE_TYPE_DYNRESUPDATE, REMMINA_RDP_FEATURE_DYNRESUPDATE,	    	NULL,			    NULL,	NULL},
	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      REMMINA_RDP_FEATURE_TOOL_SENDCTRLALTDEL,	N_("Send Ctrl+Alt+Delete"), NULL,	NULL},
	{ REMMINA_PROTOCOL_FEATURE_TYPE_UNFOCUS,      REMMINA_RDP_FEATURE_UNFOCUS,		NULL,			    NULL,	NULL},
	{ REMMINA_PROTOCOL_FEATURE_TYPE_END,	      0,					NULL,			    NULL,	NULL}
};

/* Protocol plugin definition and features */
static RemminaProtocolPlugin remmina_rdp =
{
	REMMINA_PLUGIN_TYPE_PROTOCOL,                   // Type
	"RDP",                                          // Name
	N_("RDP - Remote Desktop Protocol"),            // Description
	GETTEXT_PACKAGE,                                // Translation domain
	REMMINA_PLUGIN_RDP_VERSION,                     // Version number
	"remmina-rdp",                                  // Icon for normal connection
	"remmina-rdp-ssh",                              // Icon for SSH connection
	remmina_rdp_basic_settings,                     // Array for basic settings
	remmina_rdp_advanced_settings,                  // Array for advanced settings
	REMMINA_PROTOCOL_SSH_SETTING_TUNNEL,            // SSH settings type
	remmina_rdp_features,                           // Array for available features
	remmina_rdp_init,                               // Plugin initialization
	remmina_rdp_open_connection,                    // Plugin open connection
	remmina_rdp_close_connection,                   // Plugin close connection
	remmina_rdp_query_feature,                      // Query for available features
	remmina_rdp_call_feature,                       // Call a feature
	remmina_rdp_keystroke,                          // Send a keystroke
	remmina_rdp_get_screenshot                      // Screenshot
};

/* File plugin definition and features */
static RemminaFilePlugin remmina_rdpf =
{
	REMMINA_PLUGIN_TYPE_FILE,                       // Type
	"RDPF",                                         // Name
	N_("RDP - RDP File Handler"),                   // Description
	GETTEXT_PACKAGE,                                // Translation domain
	REMMINA_PLUGIN_RDP_VERSION,                     // Version number
	remmina_rdp_file_import_test,                   // Test import function
	remmina_rdp_file_import,                        // Import function
	remmina_rdp_file_export_test,                   // Test export function
	remmina_rdp_file_export,                        // Export function
	NULL
};

/* Preferences plugin definition and features */
static RemminaPrefPlugin remmina_rdps =
{
	REMMINA_PLUGIN_TYPE_PREF,                       // Type
	"RDPS",                                         // Name
	N_("RDP - Preferences"),                        // Description
	GETTEXT_PACKAGE,                                // Translation domain
	REMMINA_PLUGIN_RDP_VERSION,                     // Version number
	"RDP",                                          // Label
	remmina_rdp_settings_new                        // Preferences body function
};

G_MODULE_EXPORT gboolean remmina_plugin_entry(RemminaPluginService* service)
{
	int vermaj, vermin, verrev;

	TRACE_CALL(__func__);
	remmina_plugin_service = service;

	/* Check that we are linked to the correct version of libfreerdp */

	freerdp_get_version(&vermaj, &vermin, &verrev);
	if (vermaj < FREERDP_REQUIRED_MAJOR ||
	    (vermaj == FREERDP_REQUIRED_MAJOR && ( vermin < FREERDP_REQUIRED_MINOR ||
						   (vermin == FREERDP_REQUIRED_MINOR && verrev < FREERDP_REQUIRED_REVISION) ) ) ) {
		g_printf("Unable to load RDP plugin due to bad freerdp library version. Required "
			"libfreerdp version is at least %d.%d.%d but we found libfreerdp version %d.%d.%d\n",
			FREERDP_REQUIRED_MAJOR, FREERDP_REQUIRED_MINOR, FREERDP_REQUIRED_REVISION,
			vermaj, vermin, verrev );
		return FALSE;
	}

	bindtextdomain(GETTEXT_PACKAGE, REMMINA_RUNTIME_LOCALEDIR);
	bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");

	if (!service->register_plugin((RemminaPlugin*)&remmina_rdp))
		return FALSE;

	remmina_rdpf.export_hints = _("Export connection in Windows .rdp file format");

	if (!service->register_plugin((RemminaPlugin*)&remmina_rdpf))
		return FALSE;

	if (!service->register_plugin((RemminaPlugin*)&remmina_rdps))
		return FALSE;

	remmina_rdp_settings_init();

	return TRUE;
}

