feat(release): v0.3.4 - in-place installer upgrades, mutual exclusion guards, 2FA, and telemetry cap

compilation/installer_client.nsi

@@ -9,13 +9,13 @@ RequestExecutionLevel admin
 
 BrandingText "LOGAR Centralized Log Aggregator & Forwarder"
 
-VIProductVersion "0.3.3.0"
+VIProductVersion "0.3.4.0"
 VIAddVersionKey "ProductName" "LOGAR Client"
 VIAddVersionKey "CompanyName" "LOGAR"
 VIAddVersionKey "LegalCopyright" "© 2026 LOGAR"
 VIAddVersionKey "FileDescription" "LOGAR Windows Edge Log Forwarder Setup"
-VIAddVersionKey "FileVersion" "0.3.3.0"
-VIAddVersionKey "ProductVersion" "0.3.3.0"
+VIAddVersionKey "FileVersion" "0.3.4.0"
+VIAddVersionKey "ProductVersion" "0.3.4.0"
 
 # --- Visual Graphics & Branding ---
 !define MUI_ICON "assets/logo.ico"
@@ -28,6 +28,7 @@ VIAddVersionKey "ProductVersion" "0.3.3.0"
 
 Var DATADIR
 Var CFGFILE
+Var IS_UPDATE
 Var CfgDialog
 Var CfgFileInput
 Var CfgBrowseBtn
@@ -43,6 +44,7 @@ Var CfgBrowseBtn
 # Directory Page 1: Installation Directory
 !define MUI_PAGE_HEADER_TEXT "Choose Installation Location"
 !define MUI_PAGE_HEADER_SUBTEXT "Choose the folder in which to install program binaries."
+!define MUI_PAGE_CUSTOMFUNCTION_PRE SkipIfUpdate
 !define MUI_DIRECTORYPAGE_VARIABLE $INSTDIR
 !insertmacro MUI_PAGE_DIRECTORY
 
@@ -51,6 +53,7 @@ Var CfgBrowseBtn
 !define MUI_PAGE_HEADER_SUBTEXT "Choose where state tracking, certificates, and configuration files should be stored."
 !define MUI_DIRECTORYPAGE_TEXT_TOP "Choose the folder where LOGAR Client should store state tracking (client_state.json), configuration (client_config.json), and mTLS certificates.$\r$\n$\r$\nDefault is recommended for automatic background service access."
 !define MUI_DIRECTORYPAGE_TEXT_DESTINATION "Data & Storage Folder"
+!define MUI_PAGE_CUSTOMFUNCTION_PRE SkipIfUpdate
 !define MUI_DIRECTORYPAGE_VARIABLE $DATADIR
 !insertmacro MUI_PAGE_DIRECTORY
 
@@ -71,13 +74,51 @@ Page custom ConfigPageCreate ConfigPageLeave
 
 !insertmacro MUI_LANGUAGE "English"
 
+Function SkipIfUpdate
+    ${If} $IS_UPDATE == "1"
+        Abort
+    ${EndIf}
+FunctionEnd
+
 Function .onInit
     SetShellVarContext all
     StrCpy $DATADIR "$APPDATA\LOGAR"
     StrCpy $CFGFILE ""
+    StrCpy $IS_UPDATE "0"
+
+    # 1. Mutual Exclusion Check: Deny installation if LOGAR Server is present
+    ReadRegStr $0 HKLM "Software\LOGAR\LOGAR-Server" "DataDir"
+    ReadRegStr $1 HKLM "Software\LOGAR\LOGAR-Server" "InstallDir"
+    ${If} $0 != ""
+    ${OrIf} $1 != ""
+    ${OrIf} ${FileExists} "$PROGRAMFILES64\LOGAR-Server\Server.exe"
+    ${OrIf} ${FileExists} "$PROGRAMFILES\LOGAR-Server\Server.exe"
+        MessageBox MB_ICONSTOP|MB_OK "LOGAR Server is already installed on this machine.$\r$\n$\r$\nLOGAR Client cannot be co-installed on a LOGAR Server host (LOGAR Server already provides built-in log collection).$\r$\n$\r$\nPlease uninstall LOGAR Server first if you wish to run a standalone forwarder client."
+        Abort
+    ${EndIf}
+
+    # 2. Existing LOGAR Client Detection for In-Place Update Mode
+    ReadRegStr $0 HKLM "Software\LOGAR\LOGAR-Client" "DataDir"
+    ReadRegStr $1 HKLM "Software\LOGAR\LOGAR-Client" "InstallDir"
+    ${If} $0 != ""
+    ${OrIf} $1 != ""
+    ${OrIf} ${FileExists} "$INSTDIR\Win_Client.exe"
+        StrCpy $IS_UPDATE "1"
+        ${If} $0 != ""
+            StrCpy $DATADIR $0
+        ${EndIf}
+        ${If} $1 != ""
+            StrCpy $INSTDIR $1
+        ${EndIf}
+        MessageBox MB_ICONINFORMATION|MB_OK "An existing installation of LOGAR Client was detected.$\r$\n$\r$\nSetup will perform an in-place update: program files will be updated while your existing configuration (client_config.json), state tracking, and certificates are preserved."
+    ${EndIf}
 FunctionEnd
 
 Function ConfigPageCreate
+    ${If} $IS_UPDATE == "1"
+        Abort
+    ${EndIf}
+
     nsDialogs::Create 1018
     Pop $CfgDialog
     ${If} $CfgDialog == error
@@ -130,8 +171,9 @@ Section "Install"
     CreateDirectory "$DATADIR"
     ExecWait 'icacls "$DATADIR" /grant "*S-1-5-32-545:(OI)(CI)M" /T /Q'
 
-    # If client config file was selected, copy to data directory
-    ${If} $CFGFILE != ""
+    # If client config file was selected and not updating existing config, copy to data directory
+    ${If} $IS_UPDATE != "1"
+    ${AndIf} $CFGFILE != ""
     ${AndIf} ${FileExists} "$CFGFILE"
         CopyFiles /SILENT "$CFGFILE" "$DATADIR\client_config.json"
     ${EndIf}
@@ -145,6 +187,7 @@ Section "Install"
     ExecWait '"$INSTDIR\nssm.exe" start LOGAR_Client'
 
     WriteUninstaller "$INSTDIR\uninstall.exe"
+    WriteRegStr HKLM "Software\LOGAR\LOGAR-Client" "InstallDir" "$INSTDIR"
     WriteRegStr HKLM "Software\LOGAR\LOGAR-Client" "DataDir" "$DATADIR"
 SectionEnd