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[fix] improve Windows secure desktop capture and input transitions

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This commit is contained in:
kunkundi
2026-10-09 00:05:37 +08:00
parent 5004c91a6c
commit 3cfe7cbb80
26 changed files with 1376 additions and 582 deletions
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apps/desktop/src/platform/windows/service/service_host.h
+17
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@@ -41,6 +41,9 @@ class CrossDeskServiceHost {
void ReportServiceStatus(DWORD current_state, DWORD win32_exit_code,
DWORD wait_hint);
void IpcServerLoop();
void SessionStateLoop();
void RefreshInteractiveState();
void WakeSessionState();
void RefreshSessionState();
void EnsureSessionHelper();
void ReapSessionHelper();
@@ -72,6 +75,14 @@ class CrossDeskServiceHost {
DWORD client_session_id);
std::string BuildStatusResponse(DWORD client_session_id);
std::string SendSecureAttentionSequence(DWORD client_session_id);
struct SecureInputTarget {
DWORD session_id = 0xFFFFFFFF;
std::string stage;
std::string desktop;
};
// Returns an error response, or an empty string with a validated snapshot.
std::string ResolveSecureInputTarget(DWORD client_session_id,
SecureInputTarget& target);
std::string SendSecureDesktopKeyboardInput(DWORD client_session_id,
int key_code, bool is_down,
uint32_t scan_code = 0,
@@ -89,6 +100,8 @@ class CrossDeskServiceHost {
SERVICE_STATUS service_status_{};
HANDLE stop_event_ = nullptr;
std::thread ipc_thread_;
std::thread session_state_thread_;
HANDLE session_state_event_ = nullptr;
std::thread client_process_monitor_thread_;
// Owned exclusively by the monitor, then drained after it joins.
HANDLE unattended_process_ = nullptr;
@@ -96,6 +109,9 @@ class CrossDeskServiceHost {
DWORD unattended_session_ = 0xFFFFFFFF;
std::atomic<uint64_t> unattended_logoff_generation_{0};
std::mutex state_mutex_;
uint64_t session_state_generation_ = 0;
ULONGLONG last_session_transition_tick_ = 0;
bool session_lock_state_known_ = false;
HANDLE lifetime_mutex_ = nullptr;
std::wstring lifetime_mutex_name_;
DWORD active_session_id_ = 0xFFFFFFFF;
@@ -148,6 +164,7 @@ class CrossDeskServiceHost {
HANDLE secure_input_helper_process_handle_ = nullptr;
HANDLE secure_input_helper_stop_event_ = nullptr;
std::string input_desktop_name_;
std::string session_username_;
std::string last_sas_error_;
std::string session_helper_last_error_;
std::string session_helper_status_error_;