Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/channels/rail/client/client_rails.c

@@ -0,0 +1,104 @@
+
+#include <winpr/cast.h>
+
+#include <freerdp/freerdp.h>
+#include <freerdp/client/rail.h>
+
+#include "rail_main.h"
+
+UINT client_rail_server_start_cmd(RailClientContext* context)
+{
+	UINT status = 0;
+	char argsAndFile[520] = WINPR_C_ARRAY_INIT;
+	RAIL_EXEC_ORDER exec = WINPR_C_ARRAY_INIT;
+	RAIL_SYSPARAM_ORDER sysparam = WINPR_C_ARRAY_INIT;
+	RAIL_CLIENT_STATUS_ORDER clientStatus = WINPR_C_ARRAY_INIT;
+
+	WINPR_ASSERT(context);
+	railPlugin* rail = context->handle;
+	WINPR_ASSERT(rail);
+	WINPR_ASSERT(rail->rdpcontext);
+
+	const rdpSettings* settings = rail->rdpcontext->settings;
+	WINPR_ASSERT(settings);
+
+	clientStatus.flags = TS_RAIL_CLIENTSTATUS_ALLOWLOCALMOVESIZE;
+
+	if (freerdp_settings_get_bool(settings, FreeRDP_AutoReconnectionEnabled))
+		clientStatus.flags |= TS_RAIL_CLIENTSTATUS_AUTORECONNECT;
+
+	clientStatus.flags |= TS_RAIL_CLIENTSTATUS_ZORDER_SYNC;
+	clientStatus.flags |= TS_RAIL_CLIENTSTATUS_WINDOW_RESIZE_MARGIN_SUPPORTED;
+	clientStatus.flags |= TS_RAIL_CLIENTSTATUS_APPBAR_REMOTING_SUPPORTED;
+	clientStatus.flags |= TS_RAIL_CLIENTSTATUS_POWER_DISPLAY_REQUEST_SUPPORTED;
+	clientStatus.flags |= TS_RAIL_CLIENTSTATUS_BIDIRECTIONAL_CLOAK_SUPPORTED;
+	status = context->ClientInformation(context, &clientStatus);
+
+	if (status != CHANNEL_RC_OK)
+		return status;
+
+	if (freerdp_settings_get_bool(settings, FreeRDP_RemoteAppLanguageBarSupported))
+	{
+		RAIL_LANGBAR_INFO_ORDER langBarInfo;
+		langBarInfo.languageBarStatus = 0x00000008; /* TF_SFT_HIDDEN */
+		status = context->ClientLanguageBarInfo(context, &langBarInfo);
+
+		/* We want the language bar, but the server might not support it. */
+		switch (status)
+		{
+			case CHANNEL_RC_OK:
+			case ERROR_BAD_CONFIGURATION:
+				break;
+			default:
+				return status;
+		}
+	}
+
+	sysparam.params = 0;
+	sysparam.params |= SPI_MASK_SET_HIGH_CONTRAST;
+	sysparam.highContrast.colorScheme.string = nullptr;
+	sysparam.highContrast.colorScheme.length = 0;
+	sysparam.highContrast.flags = 0x7E;
+	sysparam.params |= SPI_MASK_SET_MOUSE_BUTTON_SWAP;
+	sysparam.mouseButtonSwap = FALSE;
+	sysparam.params |= SPI_MASK_SET_KEYBOARD_PREF;
+	sysparam.keyboardPref = FALSE;
+	sysparam.params |= SPI_MASK_SET_DRAG_FULL_WINDOWS;
+	sysparam.dragFullWindows = FALSE;
+	sysparam.params |= SPI_MASK_SET_KEYBOARD_CUES;
+	sysparam.keyboardCues = FALSE;
+	sysparam.params |= SPI_MASK_SET_WORK_AREA;
+	sysparam.workArea.left = 0;
+	sysparam.workArea.top = 0;
+
+	const UINT32 w = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
+	const UINT32 h = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
+
+	sysparam.workArea.right = WINPR_ASSERTING_INT_CAST(UINT16, w);
+	sysparam.workArea.bottom = WINPR_ASSERTING_INT_CAST(UINT16, h);
+	sysparam.dragFullWindows = FALSE;
+	status = context->ClientSystemParam(context, &sysparam);
+
+	if (status != CHANNEL_RC_OK)
+		return status;
+
+	const char* RemoteApplicationFile =
+	    freerdp_settings_get_string(settings, FreeRDP_RemoteApplicationFile);
+	const char* RemoteApplicationCmdLine =
+	    freerdp_settings_get_string(settings, FreeRDP_RemoteApplicationCmdLine);
+	if (RemoteApplicationFile && RemoteApplicationCmdLine)
+	{
+		(void)_snprintf(argsAndFile, ARRAYSIZE(argsAndFile), "%s %s", RemoteApplicationCmdLine,
+		                RemoteApplicationFile);
+		exec.RemoteApplicationArguments = argsAndFile;
+	}
+	else if (RemoteApplicationFile)
+		exec.RemoteApplicationArguments = RemoteApplicationFile;
+	else
+		exec.RemoteApplicationArguments = RemoteApplicationCmdLine;
+	exec.RemoteApplicationProgram =
+	    freerdp_settings_get_string(settings, FreeRDP_RemoteApplicationProgram);
+	exec.RemoteApplicationWorkingDir =
+	    freerdp_settings_get_string(settings, FreeRDP_ShellWorkingDirectory);
+	return context->ClientExecute(context, &exec);
+}