Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/server/shadow/Sample/CMakeLists.txt

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+add_library(freerdp-shadow-subsystem-impl STATIC sample_shadow.c sample_shadow.h)

third_party/FreeRDP/server/shadow/Sample/sample_shadow.c

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * Copyright 2025 Armin Novak <anovak@thincast.com>
+ * Copyright 2025 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <winpr/crt.h>
+#include <winpr/synch.h>
+#include <winpr/sysinfo.h>
+
+#include <freerdp/log.h>
+#include <freerdp/codec/color.h>
+#include <freerdp/codec/region.h>
+#include <freerdp/server/server-common.h>
+
+#include "sample_shadow.h"
+
+#define TAG SERVER_TAG("shadow.sample")
+
+WINPR_ATTR_NODISCARD
+static BOOL sample_shadow_input_synchronize_event(WINPR_ATTR_UNUSED rdpShadowSubsystem* subsystem,
+                                                  WINPR_ATTR_UNUSED rdpShadowClient* client,
+                                                  WINPR_ATTR_UNUSED UINT32 flags)
+{
+	WLog_WARN(TAG, "TODO: Implement!");
+	return TRUE;
+}
+
+WINPR_ATTR_NODISCARD
+static BOOL sample_shadow_input_keyboard_event(WINPR_ATTR_UNUSED rdpShadowSubsystem* subsystem,
+                                               WINPR_ATTR_UNUSED rdpShadowClient* client,
+                                               WINPR_ATTR_UNUSED UINT16 flags,
+                                               WINPR_ATTR_UNUSED UINT8 code)
+{
+	WLog_WARN(TAG, "TODO: Implement!");
+	return TRUE;
+}
+
+WINPR_ATTR_NODISCARD
+static BOOL sample_shadow_input_unicode_keyboard_event(
+    WINPR_ATTR_UNUSED rdpShadowSubsystem* subsystem, WINPR_ATTR_UNUSED rdpShadowClient* client,
+    WINPR_ATTR_UNUSED UINT16 flags, WINPR_ATTR_UNUSED UINT16 code)
+{
+	WLog_WARN(TAG, "TODO: Implement!");
+	return TRUE;
+}
+
+WINPR_ATTR_NODISCARD
+static BOOL sample_shadow_input_mouse_event(WINPR_ATTR_UNUSED rdpShadowSubsystem* subsystem,
+                                            WINPR_ATTR_UNUSED rdpShadowClient* client,
+                                            WINPR_ATTR_UNUSED UINT16 flags,
+                                            WINPR_ATTR_UNUSED UINT16 x, WINPR_ATTR_UNUSED UINT16 y)
+{
+	WLog_WARN(TAG, "TODO: Implement!");
+	return TRUE;
+}
+
+WINPR_ATTR_NODISCARD
+static BOOL sample_shadow_input_extended_mouse_event(
+    WINPR_ATTR_UNUSED rdpShadowSubsystem* subsystem, WINPR_ATTR_UNUSED rdpShadowClient* client,
+    WINPR_ATTR_UNUSED UINT16 flags, WINPR_ATTR_UNUSED UINT16 x, WINPR_ATTR_UNUSED UINT16 y)
+{
+	WLog_WARN(TAG, "TODO: Implement!");
+	return TRUE;
+}
+
+WINPR_ATTR_NODISCARD
+static UINT32 sample_shadow_enum_monitors(WINPR_ATTR_UNUSED MONITOR_DEF* monitors,
+                                          WINPR_ATTR_UNUSED UINT32 maxMonitors)
+{
+	WLog_WARN(TAG, "TODO: Implement!");
+	return 0;
+}
+
+WINPR_ATTR_NODISCARD
+static int sample_shadow_subsystem_init(rdpShadowSubsystem* arg)
+{
+	sampleShadowSubsystem* subsystem = (sampleShadowSubsystem*)arg;
+	WINPR_ASSERT(subsystem);
+
+	subsystem->base.numMonitors = sample_shadow_enum_monitors(subsystem->base.monitors, 16);
+
+	WLog_WARN(TAG, "TODO: Implement!");
+
+	MONITOR_DEF* virtualScreen = &(subsystem->base.virtualScreen);
+	virtualScreen->left = 0;
+	virtualScreen->top = 0;
+	virtualScreen->right = 0;
+	virtualScreen->bottom = 0;
+	virtualScreen->flags = 1;
+	return 1;
+}
+
+WINPR_ATTR_NODISCARD
+static int sample_shadow_subsystem_uninit(rdpShadowSubsystem* arg)
+{
+	sampleShadowSubsystem* subsystem = (sampleShadowSubsystem*)arg;
+
+	if (!subsystem)
+		return -1;
+
+	WLog_WARN(TAG, "TODO: Implement!");
+	return 1;
+}
+
+WINPR_ATTR_NODISCARD
+static int sample_shadow_subsystem_start(rdpShadowSubsystem* arg)
+{
+	sampleShadowSubsystem* subsystem = (sampleShadowSubsystem*)arg;
+
+	if (!subsystem)
+		return -1;
+
+	WLog_WARN(TAG, "TODO: Implement!");
+
+	return 1;
+}
+
+WINPR_ATTR_NODISCARD
+static int sample_shadow_subsystem_stop(rdpShadowSubsystem* arg)
+{
+	sampleShadowSubsystem* subsystem = (sampleShadowSubsystem*)arg;
+
+	if (!subsystem)
+		return -1;
+
+	WLog_WARN(TAG, "TODO: Implement!");
+
+	return 1;
+}
+
+static void sample_shadow_subsystem_free(rdpShadowSubsystem* arg)
+{
+	sampleShadowSubsystem* subsystem = (sampleShadowSubsystem*)arg;
+
+	if (!subsystem)
+		return;
+
+	sample_shadow_subsystem_uninit(arg);
+	free(subsystem);
+}
+
+WINPR_ATTR_MALLOC(sample_shadow_subsystem_free, 1)
+WINPR_ATTR_NODISCARD
+static rdpShadowSubsystem* sample_shadow_subsystem_new(void)
+{
+	sampleShadowSubsystem* subsystem =
+	    (sampleShadowSubsystem*)calloc(1, sizeof(sampleShadowSubsystem));
+
+	if (!subsystem)
+		return nullptr;
+
+	subsystem->base.SynchronizeEvent = sample_shadow_input_synchronize_event;
+	subsystem->base.KeyboardEvent = sample_shadow_input_keyboard_event;
+	subsystem->base.UnicodeKeyboardEvent = sample_shadow_input_unicode_keyboard_event;
+	subsystem->base.MouseEvent = sample_shadow_input_mouse_event;
+	subsystem->base.ExtendedMouseEvent = sample_shadow_input_extended_mouse_event;
+	return &subsystem->base;
+}
+
+const char* ShadowSubsystemName(void)
+{
+	return "Sample";
+}
+
+int ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints)
+{
+	pEntryPoints->New = sample_shadow_subsystem_new;
+	pEntryPoints->Free = sample_shadow_subsystem_free;
+	pEntryPoints->Init = sample_shadow_subsystem_init;
+	pEntryPoints->Uninit = sample_shadow_subsystem_uninit;
+	pEntryPoints->Start = sample_shadow_subsystem_start;
+	pEntryPoints->Stop = sample_shadow_subsystem_stop;
+	pEntryPoints->EnumMonitors = sample_shadow_enum_monitors;
+	return 1;
+}

third_party/FreeRDP/server/shadow/Sample/sample_shadow.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * Copyright 2025 Armin Novak <anovak@thincast.com>
+ * Copyright 2025 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <freerdp/server/shadow.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	typedef struct sample_shadow_subsystem sampleShadowSubsystem;
+
+	struct sample_shadow_subsystem
+	{
+		rdpShadowSubsystem base;
+
+		/* Additional platform specific stuff goes here */
+	};
+
+	FREERDP_API WINPR_ATTR_NODISCARD const char* ShadowSubsystemName(void);
+	FREERDP_API WINPR_ATTR_NODISCARD int
+	ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);
+
+#ifdef __cplusplus
+}
+#endif