删除客户端的bug

cmonitor.web/src/views/Head.vue

@@ -45,7 +45,7 @@ export default {
         const showSelectUsername = computed(() => !!!globalData.value.username && globalData.value.connected);
         const showPort = computed(() => globalData.value.connected == false && state.showPort);
 
-        watch(() => globalData.value.updateFlag, () => {
+        watch(() => globalData.value.updateRuleFlag, () => {
             _getRules();
         });
 
@@ -65,9 +65,7 @@ export default {
             }, 100);
 
             subWebsocketState((state) => {
-                if (state) {
+                if (state) globalData.value.updateRuleFlag = Date.now();
-                    _getRules();
-                }
             });
         });
 
@@ -83,9 +81,9 @@ export default {
         }
         const handleChange = (value) => {
             addName(value).then(() => {
-                globalData.value.updateFlag = Date.now();
+                globalData.value.updateRuleFlag = Date.now();
             }).catch(() => {
-                globalData.value.updateFlag = Date.now();
+                globalData.value.updateRuleFlag = Date.now();
             })
         }
 

cmonitor.web/src/views/device/plugins/active/AddWindow.vue

@@ -89,10 +89,10 @@ export default {
                     Desc: state.desc
                 }
             }).then((error) => {
-                globalData.value.updateFlag = Date.now();
                 if (!error) {
                     ElMessage.success('操作成功');
                     state.show = false;
+                    globalData.value.updateRuleFlag = Date.now();
                 } else {
                     ElMessage.error(`操作失败:${error}`);
                 }

cmonitor.web/src/views/device/plugins/active/ChooseDig.vue

@@ -63,7 +63,6 @@ export default {
         });
 
         onMounted(() => {
-            globalData.value.updateFlag = Date.now();
             if (state.items.length == 1) {
                 let item = state.items[0];
                 state.currentPrivate = state.privateExes.filter(c => item.DisallowRunIds.indexOf(c.ID) >= 0);

cmonitor.web/src/views/device/plugins/active/windows/Groups.vue

@@ -82,7 +82,7 @@ export default {
                     ElMessage.error(error);
                 } else {
                     ElMessage.success('操作成功!');
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;
@@ -108,7 +108,7 @@ export default {
                 } else {
                     ElMessage.success('操作成功!');
                     state.showEdit = false;
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;

cmonitor.web/src/views/device/plugins/active/windows/Index.vue

@@ -38,10 +38,7 @@ export default {
             }
         });
 
-        const globalData = injectGlobalData();;
+        const globalData = injectGlobalData();
-        onMounted(() => {
-            globalData.value.updateFlag = Date.now();
-        });
 
         const handleCancel = () => {
             state.show = false;

cmonitor.web/src/views/device/plugins/active/windows/Items.vue

@@ -92,7 +92,7 @@ export default {
                     ElMessage.error(error);
                 } else {
                     ElMessage.success('操作成功!');
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;
@@ -119,7 +119,7 @@ export default {
                 } else {
                     ElMessage.success('操作成功!');
                     state.showEdit = false;
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;

cmonitor.web/src/views/device/plugins/device/ChooseDig.vue

@@ -56,13 +56,13 @@ export default {
 
         const handleCancel = () => {
             state.show = false;
-            globalData.value.updateFlag = Date.now();
+            globalData.value.updateDeviceFlag = Date.now();
         }
         const handleDel = (name) => {
             state.loading = true;
             delDevice(name).then(() => {
                 state.loading = false;
-                globalData.value.updateFlag = Date.now();
+                globalData.value.updateDeviceFlag = Date.now();
             }).catch(() => {
                 state.loading = false;
             });
@@ -78,7 +78,7 @@ export default {
                 devices: _devices.map(c => c.MachineName)
             }).then((error) => {
                 state.loading = false;
-                globalData.value.updateFlag = Date.now();
+                globalData.value.updateDeviceFlag = Date.now();
                 if (error) {
                     ElMessage.error(error);
                 } else {
@@ -92,7 +92,7 @@ export default {
         }
 
         onMounted(() => {
-            globalData.value.updateFlag = Date.now();
+            globalData.value.updateDeviceFlag = Date.now();
         });
 
         return {

cmonitor.web/src/views/device/plugins/hijack/process/Groups.vue

@@ -85,7 +85,7 @@ export default {
                     ElMessage.error(error);
                 } else {
                     ElMessage.success('操作成功!');
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;
@@ -111,7 +111,7 @@ export default {
                 } else {
                     ElMessage.success('操作成功!');
                     state.showEdit = false;
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;

cmonitor.web/src/views/device/plugins/hijack/process/Index.vue

@@ -38,10 +38,7 @@ export default {
             }
         });
 
-        const globalData = injectGlobalData();;
+        const globalData = injectGlobalData();
-        onMounted(() => {
-            globalData.value.updateFlag = Date.now();
-        });
 
         const handleCancel = () => {
             state.show = false;

cmonitor.web/src/views/device/plugins/hijack/process/Items.vue

@@ -126,7 +126,7 @@ export default {
                     ElMessage.error(error);
                 } else {
                     ElMessage.success('操作成功!');
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;
@@ -153,7 +153,7 @@ export default {
                 } else {
                     ElMessage.success('操作成功!');
                     state.showEdit = false;
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;

cmonitor.web/src/views/device/plugins/hijack/rules/Groups.vue

@@ -85,7 +85,7 @@ export default {
                     ElMessage.error(error);
                 } else {
                     ElMessage.success('操作成功!');
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;
@@ -111,7 +111,7 @@ export default {
                 } else {
                     ElMessage.success('操作成功!');
                     state.showEdit = false;
-                    globalData.value.updateFlag = Date.now();
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch((e) => {
                 state.loading = false;

cmonitor.web/src/views/device/plugins/hijack/rules/Rule.vue

@@ -100,8 +100,8 @@ export default {
                 if (error) {
                     ElMessage.error(error);
                 } else {
-                    globalData.value.updateFlag = Date.now();
                     ElMessage.success('操作成功');
+                    globalData.value.updateRuleFlag = Date.now();
                 }
             }).catch(() => {
                 state.loading = false;

cmonitor.web/src/views/device/wraps/Items.vue

@@ -31,6 +31,9 @@ export default {
         });
 
         const globalData = injectGlobalData();
+        watch(() => globalData.value.updateDeviceFlag, () => {
+            getData();
+        })
 
         const getData = () => {
             getList().then((res) => {

cmonitor.web/src/views/provide.js

@@ -8,7 +8,8 @@ export const provideGlobalData = () => {
         publicUserName: 'snltty',
         usernames: {},
         connected: false,
-        updateFlag: 0,
+        updateRuleFlag: 0,
+        updateDeviceFlag: 0,
         allDevices: [],
         devices: computed(() => {
             const user = globalData.value.usernames[globalData.value.username];
@@ -17,7 +18,6 @@ export const provideGlobalData = () => {
             }
             return [];
         }),
-        latestReportNames: [],
         reportNames: []
     });
     provide(globalDataSymbol, globalData);

cmonitor/Program.cs

@@ -49,13 +49,13 @@ namespace cmonitor
 
             //读取参数
             Dictionary<string, string> dic = ArgumentParser.Parse(args, out string error);
-//#if RELEASE
+#if RELEASE
             //提权
             if (dic.ContainsKey("elevated") == false)
             {
                 Win32Interop.RelaunchElevated();
             }
-//#endif
+#endif
             //初始化配置文件
             Config config = new Config();
             InitConfig(config, dic);

cmonitor/server/api/services/ReportClientService.cs

@@ -28,6 +28,7 @@ namespace cmonitor.server.api.services
             for (int i = 0; i < updateinfo.Names.Length; i++)
             {
                 bool connectionRes = (signCaching.Get(updateinfo.Names[i], out SignCacheInfo cache) && cache.Connected);
+                if (connectionRes == false) continue;
                 bool reportTimeRes = cache.GetReport(config.ReportDelay) && Interlocked.CompareExchange(ref cache.ReportFlag, 0, 1) == 1;
 
                 if (connectionRes && (reportTimeRes || updateinfo.ReportType == ReportType.Full))

cmonitor/server/api/services/ScreenClientService.cs

@@ -25,6 +25,7 @@ namespace cmonitor.server.api.services
             for (int i = 0; i < report.Names.Length; i++)
             {
                 bool connectionRes = signCaching.Get(report.Names[i], out SignCacheInfo cache) && cache.Connected;
+                if (connectionRes == false) continue;
                 bool reportRes = cache.GetScreen(config.ScreenDelay) && Interlocked.CompareExchange(ref cache.ScreenFlag, 0, 1) == 1;
 
                 if (connectionRes && reportRes)

cmonitor/server/client/reports/screen/Win32Interop.cs

@@ -7,7 +7,6 @@ using System.Runtime.InteropServices;
 using System.Runtime.Serialization;
 using System.Security.Principal;
 using System.Text;
-using System.Xml.Linq;
 using static cmonitor.server.client.reports.screen.winapis.ADVAPI32;
 using static cmonitor.server.client.reports.screen.winapiss.User32;
 
@@ -17,58 +16,6 @@ namespace cmonitor.server.client.reports.screen
     {
         private static nint _lastInputDesktop;
 
-        public static List<WindowsSession> GetActiveSessions()
-        {
-            var sessions = new List<WindowsSession>();
-            var consoleSessionId = Kernel32.WTSGetActiveConsoleSessionId();
-            sessions.Add(new WindowsSession()
-            {
-                Id = consoleSessionId,
-                Type = WindowsSessionType.Console,
-                Name = "Console",
-                Username = GetUsernameFromSessionId(consoleSessionId)
-            });
-
-            nint ppSessionInfo = nint.Zero;
-            var count = 0;
-            var enumSessionResult = WTSAPI32.WTSEnumerateSessions(WTSAPI32.WTS_CURRENT_SERVER_HANDLE, 0, 1, ref ppSessionInfo, ref count);
-            var dataSize = Marshal.SizeOf(typeof(WTSAPI32.WTS_SESSION_INFO));
-            var current = ppSessionInfo;
-
-            if (enumSessionResult != 0)
-            {
-                for (int i = 0; i < count; i++)
-                {
-                    var wtsInfo = Marshal.PtrToStructure(current, typeof(WTSAPI32.WTS_SESSION_INFO));
-                    if (wtsInfo is null)
-                    {
-                        continue;
-                    }
-                    var sessionInfo = (WTSAPI32.WTS_SESSION_INFO)wtsInfo;
-                    current += dataSize;
-                    if (sessionInfo.State == WTSAPI32.WTS_CONNECTSTATE_CLASS.WTSActive && sessionInfo.SessionID != consoleSessionId)
-                    {
-
-                        sessions.Add(new WindowsSession()
-                        {
-                            Id = sessionInfo.SessionID,
-                            Name = sessionInfo.pWinStationName,
-                            Type = WindowsSessionType.RDP,
-                            Username = GetUsernameFromSessionId(sessionInfo.SessionID)
-                        });
-                    }
-                }
-            }
-
-            return sessions;
-        }
-
-        public static string GetCommandLine()
-        {
-            var commandLinePtr = Kernel32.GetCommandLine();
-            return Marshal.PtrToStringAuto(commandLinePtr) ?? string.Empty;
-        }
-
         public static bool GetCurrentDesktop(out string desktopName)
         {
             var inputDesktop = OpenInputDesktop();
@@ -89,7 +36,51 @@ namespace cmonitor.server.client.reports.screen
                 CloseDesktop(inputDesktop);
             }
         }
+        public static List<WindowsSession> GetActiveSessions()
+        {
+            List<WindowsSession> sessions = new List<WindowsSession>();
+            uint consoleSessionId = Kernel32.WTSGetActiveConsoleSessionId();
+            sessions.Add(new WindowsSession()
+            {
+                Id = consoleSessionId,
+                Type = WindowsSessionType.Console,
+                Name = "Console",
+                Username = GetUsernameFromSessionId(consoleSessionId)
+            });
 
+            nint ppSessionInfo = nint.Zero;
+            int count = 0;
+            int enumSessionResult = WTSAPI32.WTSEnumerateSessions(WTSAPI32.WTS_CURRENT_SERVER_HANDLE, 0, 1, ref ppSessionInfo, ref count);
+            int dataSize = Marshal.SizeOf(typeof(WTSAPI32.WTS_SESSION_INFO));
+            nint current = ppSessionInfo;
+
+            if (enumSessionResult != 0)
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    object wtsInfo = Marshal.PtrToStructure(current, typeof(WTSAPI32.WTS_SESSION_INFO));
+                    if (wtsInfo is null)
+                    {
+                        continue;
+                    }
+                    WTSAPI32.WTS_SESSION_INFO sessionInfo = (WTSAPI32.WTS_SESSION_INFO)wtsInfo;
+                    current += dataSize;
+                    if (sessionInfo.State == WTSAPI32.WTS_CONNECTSTATE_CLASS.WTSActive && sessionInfo.SessionID != consoleSessionId)
+                    {
+
+                        sessions.Add(new WindowsSession()
+                        {
+                            Id = sessionInfo.SessionID,
+                            Name = sessionInfo.pWinStationName,
+                            Type = WindowsSessionType.RDP,
+                            Username = GetUsernameFromSessionId(sessionInfo.SessionID)
+                        });
+                    }
+                }
+            }
+
+            return sessions;
+        }
         public static string GetUsernameFromSessionId(uint sessionId)
         {
             var username = string.Empty;
@@ -107,123 +98,6 @@ namespace cmonitor.server.client.reports.screen
         {
             return User32.OpenInputDesktop(0, true, ACCESS_MASK.GENERIC_ALL);
         }
-
-        public static bool CreateInteractiveSystemProcess(
-            string commandLine,
-             int targetSessionId,
-             bool forceConsoleSession,
-             string desktopName,
-             bool hiddenWindow,
-             out PROCESS_INFORMATION procInfo)
-        {
-            uint winlogonPid = 0;
-            var hUserTokenDup = nint.Zero;
-            var hPToken = nint.Zero;
-            var hProcess = nint.Zero;
-
-            procInfo = new PROCESS_INFORMATION();
-
-            // If not force console, find target session.  If not present,
-            // use last active session.
-            var dwSessionId = Kernel32.WTSGetActiveConsoleSessionId();
-            if (!forceConsoleSession)
-            {
-                var activeSessions = GetActiveSessions();
-                if (activeSessions.Any(x => x.Id == targetSessionId))
-                {
-                    dwSessionId = (uint)targetSessionId;
-                }
-                else
-                {
-                    dwSessionId = activeSessions.Last().Id;
-                }
-            }
-
-            // Obtain the process ID of the winlogon process that is running within the currently active session.
-            var processes = Process.GetProcessesByName("winlogon");
-            foreach (Process p in processes)
-            {
-                if ((uint)p.SessionId == dwSessionId)
-                {
-                    winlogonPid = (uint)p.Id;
-                }
-            }
-            // Obtain a handle to the winlogon process.
-            hProcess = Kernel32.OpenProcess(MAXIMUM_ALLOWED, false, winlogonPid);
-
-            // Obtain a handle to the access token of the winlogon process.
-            if (!OpenProcessToken(hProcess, TOKEN_DUPLICATE, ref hPToken))
-            {
-                Kernel32.CloseHandle(hProcess);
-                return false;
-            }
-
-            // Security attibute structure used in DuplicateTokenEx and CreateProcessAsUser.
-            var sa = new SECURITY_ATTRIBUTES();
-            sa.Length = Marshal.SizeOf(sa);
-
-            // Copy the access token of the winlogon process; the newly created token will be a primary token.
-            if (!DuplicateTokenEx(hPToken, MAXIMUM_ALLOWED, ref sa, SECURITY_IMPERSONATION_LEVEL.SecurityIdentification, TOKEN_TYPE.TokenPrimary, out hUserTokenDup))
-            {
-                Kernel32.CloseHandle(hProcess);
-                Kernel32.CloseHandle(hPToken);
-                return false;
-            }
-
-            // By default, CreateProcessAsUser creates a process on a non-interactive window station, meaning
-            // the window station has a desktop that is invisible and the process is incapable of receiving
-            // user input. To remedy this we set the lpDesktop parameter to indicate we want to enable user 
-            // interaction with the new process.
-            var si = new STARTUPINFO();
-            si.cb = Marshal.SizeOf(si);
-            si.lpDesktop = @"winsta0\" + desktopName;
-
-            // Flags that specify the priority and creation method of the process.
-            uint dwCreationFlags;
-            if (hiddenWindow)
-            {
-                dwCreationFlags = NORMAL_PRIORITY_CLASS | CREATE_UNICODE_ENVIRONMENT | CREATE_NO_WINDOW;
-                si.dwFlags = STARTF_USESHOWWINDOW;
-                si.wShowWindow = 0;
-            }
-            else
-            {
-                dwCreationFlags = NORMAL_PRIORITY_CLASS | CREATE_UNICODE_ENVIRONMENT | CREATE_NEW_CONSOLE;
-            }
-
-            // Create a new process in the current user's logon session.
-            var result = CreateProcessAsUser(
-                hUserTokenDup,
-                null,
-                commandLine,
-                ref sa,
-                ref sa,
-                false,
-                dwCreationFlags,
-                nint.Zero,
-                null,
-                ref si,
-                out procInfo);
-            uint code = Kernel32.GetLastError();
-
-            // Invalidate the handles.
-            Kernel32.CloseHandle(hProcess);
-            Kernel32.CloseHandle(hPToken);
-            Kernel32.CloseHandle(hUserTokenDup);
-
-            return result;
-        }
-
-        public static void SetMonitorState(MonitorState state)
-        {
-            SendMessage(0xFFFF, 0x112, 0xF170, (int)state);
-        }
-
-        public static MessageBoxResult ShowMessageBox(nint owner, string message, string caption, MessageBoxType messageBoxType)
-        {
-            return (MessageBoxResult)MessageBox(owner, message, caption, (long)messageBoxType);
-        }
-
         public static bool SwitchToInputDesktop()
         {
             try
@@ -264,23 +138,93 @@ namespace cmonitor.server.client.reports.screen
             }
         }
 
-        public static void SetConsoleWindowVisibility(bool isVisible)
-        {
-            var handle = Kernel32.GetConsoleWindow();
 
-            if (isVisible)
+        private static uint GetWinLogonPid(uint dwSessionId)
         {
-                ShowWindow(handle, (int)SW.SW_SHOW);
+            uint winlogonPid = 0;
+            Process[] processes = Process.GetProcessesByName("winlogon");
+            foreach (Process p in processes)
+            {
+                if ((uint)p.SessionId == dwSessionId)
+                {
+                    winlogonPid = (uint)p.Id;
+                }
+            }
+            return winlogonPid;
+        }
+        private static uint GetDwSessionId(int targetSessionId, bool forceConsoleSession)
+        {
+            uint dwSessionId = Kernel32.WTSGetActiveConsoleSessionId();
+            if (forceConsoleSession == false)
+            {
+                List<WindowsSession> activeSessions = GetActiveSessions();
+                if (activeSessions.Any(x => x.Id == targetSessionId))
+                {
+                    dwSessionId = (uint)targetSessionId;
                 }
                 else
                 {
-                ShowWindow(handle, (int)SW.SW_HIDE);
+                    dwSessionId = activeSessions.Last().Id;
+                }
+            }
+            return dwSessionId;
+        }
+        private static STARTUPINFO GetStartUpInfo(bool hiddenWindow, string desktopName, out uint dwCreationFlags)
+        {
+            STARTUPINFO si = new STARTUPINFO();
+            si.cb = Marshal.SizeOf(si);
+            si.lpDesktop = @"winsta0\" + desktopName;
+            if (hiddenWindow)
+            {
+                dwCreationFlags = NORMAL_PRIORITY_CLASS | CREATE_UNICODE_ENVIRONMENT | CREATE_NO_WINDOW;
+                si.dwFlags = STARTF_USESHOWWINDOW;
+                si.wShowWindow = 0;
+            }
+            else
+            {
+                dwCreationFlags = NORMAL_PRIORITY_CLASS | CREATE_UNICODE_ENVIRONMENT | CREATE_NEW_CONSOLE;
+            }
+            return si;
+        }
+        public static bool CreateInteractiveSystemProcess(string commandLine, int targetSessionId, bool forceConsoleSession, string desktopName, bool hiddenWindow, out PROCESS_INFORMATION procInfo)
+        {
+            nint hPToken = nint.Zero;
+            procInfo = new PROCESS_INFORMATION();
+
+            uint dwSessionId = GetDwSessionId(targetSessionId, forceConsoleSession);
+            uint winlogonPid = GetWinLogonPid(dwSessionId);
+
+            nint hProcess = Kernel32.OpenProcess(MAXIMUM_ALLOWED, false, winlogonPid);
+            if (OpenProcessToken(hProcess, TOKEN_DUPLICATE, ref hPToken) == false)
+            {
+                Kernel32.CloseHandle(hProcess);
+                return false;
             }
 
-            Kernel32.CloseHandle(handle);
+            SECURITY_ATTRIBUTES sa = new SECURITY_ATTRIBUTES();
+            sa.Length = Marshal.SizeOf(sa);
+            if (DuplicateTokenEx(hPToken, MAXIMUM_ALLOWED, ref sa, SECURITY_IMPERSONATION_LEVEL.SecurityIdentification, TOKEN_TYPE.TokenPrimary, out nint hUserTokenDup) == false)
+            {
+                Kernel32.CloseHandle(hProcess);
+                Kernel32.CloseHandle(hPToken);
+                return false;
             }
 
+            STARTUPINFO si = GetStartUpInfo(hiddenWindow, desktopName, out uint dwCreationFlags);
+            bool result = CreateProcessAsUser(hUserTokenDup, null, commandLine, ref sa, ref sa, false, dwCreationFlags, nint.Zero, null, ref si, out procInfo);
 
+            Kernel32.CloseHandle(hProcess);
+            Kernel32.CloseHandle(hPToken);
+            Kernel32.CloseHandle(hUserTokenDup);
+
+            return result;
+        }
+
+        public static string GetCommandLine()
+        {
+            nint commandLinePtr = Kernel32.GetCommandLine();
+            return Marshal.PtrToStringAuto(commandLinePtr) ?? string.Empty;
+        }
         public static void RelaunchElevated()
         {
             if (OperatingSystem.IsWindows() == false) return;
@@ -294,8 +238,8 @@ namespace cmonitor.server.client.reports.screen
             }
             try
             {
-                string commandLine = Win32Interop.GetCommandLine();
+                string commandLine = GetCommandLine();
-                bool result = Win32Interop.CreateInteractiveSystemProcess($"{commandLine} --elevated", -1, false, "default", true, out PROCESS_INFORMATION procInfo);
+                bool result = CreateInteractiveSystemProcess($"{commandLine} --elevated", -1, false, "default", true, out PROCESS_INFORMATION procInfo);
                 uint code = Kernel32.GetLastError();
                 if (result)
                 {
@@ -306,7 +250,6 @@ namespace cmonitor.server.client.reports.screen
             {
             }
         }
-
         public static void AddTokenPrivilege()
         {
             if (OperatingSystem.IsWindows())
@@ -316,7 +259,6 @@ namespace cmonitor.server.client.reports.screen
                     $"ntrights +r SeAssignPrimaryTokenPrivilege -u {windowsIdentity.Name}"
                 });
             }
-
         }
 
 
@@ -347,13 +289,13 @@ namespace cmonitor.server.client.reports.screen
                     int returnLength;
                     if (GetTokenInformation(hToken, TOKEN_INFORMATION_CLASS.TokenUser, IntPtr.Zero, 0, out returnLength) || returnLength == 0)
                     {
-                        throw new Win32Exception(Marshal.GetLastWin32Error());
+                        return string.Empty;
                     }
 
                     tokenInformation = Marshal.AllocHGlobal(returnLength);
                     try
                     {
-                        if (!GetTokenInformation(hToken, TOKEN_INFORMATION_CLASS.TokenUser, tokenInformation, returnLength, out returnLength))
+                        if (GetTokenInformation(hToken, TOKEN_INFORMATION_CLASS.TokenUser, tokenInformation, returnLength, out returnLength) == false)
                         {
                             return string.Empty;
                         }

cmonitor/server/client/reports/screen/winapis/WTSAPI32.cs

@@ -69,14 +69,14 @@ public static class WTSAPI32
     [DllImport("wtsapi32.dll", SetLastError = true)]
     static extern nint WTSOpenServer(string pServerName);
 
-    [StructLayout(LayoutKind.Sequential)]
+[StructLayout(LayoutKind.Sequential)]
-    public struct WTS_SESSION_INFO
+public struct WTS_SESSION_INFO
-    {
+{
     public uint SessionID;
     [MarshalAs(UnmanagedType.LPStr)]
     public string pWinStationName;
     public WTS_CONNECTSTATE_CLASS State;
-    }
+}
 
     [DllImport("Wtsapi32.dll")]
    public static extern bool WTSQueryUserToken(int sessionId, out IntPtr token);

cmonitor/web/index.html

@@ -1 +1 @@
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