nsis: show a warning message if we are not privileged

Apparently with newer versions of Windows, a program cannot
be forced-run as administrator without being signed.  Instead,
if we aren't administrator, show a message box rather than confusing
the user.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 478 insertions, 470 deletions

diff --git a/nsis/NASMMultiUser.nsh b/nsis/NASMMultiUser.nsh
index a04048ab..a5dc3a4a 100755
--- a/nsis/NASMMultiUser.nsh
+++ b/nsis/NASMMultiUser.nsh
@@ -1,470 +1,478 @@
-/*

-

-MultiUser.nsh

-

-Installer configuration for multi-user Windows environments

-

-Copyright 2008-2009 Joost Verburg

-Updated 2016 by H. Peter Anvin to handle 64-bit Windows

-

-*/

-

-!ifndef MULTIUSER_INCLUDED

-!define MULTIUSER_INCLUDED

-!verbose push

-!verbose 3

-

-;Standard NSIS header files

-

-!ifdef MULTIUSER_MUI

-  !include MUI2.nsh

-!endif

-!include nsDialogs.nsh

-!include LogicLib.nsh

-!include WinVer.nsh

-!include FileFunc.nsh

-

-;Variables

-

-Var MultiUser.Privileges

-Var MultiUser.InstallMode

-

-;Command line installation mode setting

-

-!ifdef MULTIUSER_INSTALLMODE_COMMANDLINE

-  !include StrFunc.nsh

-  !ifndef StrStr_INCLUDED

-    ${StrStr}

-  !endif

-  !ifndef MULTIUSER_NOUNINSTALL

-    !ifndef UnStrStr_INCLUDED

-      ${UnStrStr}

-    !endif

-  !endif

-  

-  Var MultiUser.Parameters

-  Var MultiUser.Result

-!endif

-

-;Installation folder stored in registry

-

-!ifdef MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY & MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME

-  Var MultiUser.InstDir

-!endif

-

-!ifdef MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY & MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME

-  Var MultiUser.DefaultKeyValue

-!endif

-

-;Windows Vista UAC setting

-

-!if "${MULTIUSER_EXECUTIONLEVEL}" == Admin

-  RequestExecutionLevel admin

-  !define MULTIUSER_EXECUTIONLEVEL_ALLUSERS

-!else if "${MULTIUSER_EXECUTIONLEVEL}" == Power

-  RequestExecutionLevel admin

-  !define MULTIUSER_EXECUTIONLEVEL_ALLUSERS

-!else if "${MULTIUSER_EXECUTIONLEVEL}" == Highest

-  RequestExecutionLevel highest

-  !define MULTIUSER_EXECUTIONLEVEL_ALLUSERS

-!else

-  RequestExecutionLevel user

-!endif

-

-/*

-

-Install modes

-

-*/

-

-!macro MULTIUSER_INSTALLMODE_ALLUSERS UNINSTALLER_PREFIX UNINSTALLER_FUNCPREFIX

-

-  ;Install mode initialization - per-machine

-

-  ${ifnot} ${IsNT}

-    ${orif} $MultiUser.Privileges == "Admin"

-    ${orif} $MultiUser.Privileges == "Power"

-  

-    StrCpy $MultiUser.InstallMode AllUsers

-  

-    SetShellVarContext all

-  

-    !if "${UNINSTALLER_PREFIX}" != UN

-      ;Set default installation location for installer

-      !ifdef MULTIUSER_INSTALLMODE_INSTDIR

-        StrCpy $INSTDIR "${GLOBALINSTDIR}\${MULTIUSER_INSTALLMODE_INSTDIR}"

-      !endif

-    !endif

-  

-    !ifdef MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY & MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME

-  

-      ReadRegStr $MultiUser.InstDir HKLM "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME}"

-  

-      ${if} $MultiUser.InstDir != ""

-        StrCpy $INSTDIR $MultiUser.InstDir

-      ${endif}

-  

-    !endif

-  

-    !ifdef MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION

-      Call "${MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION}"

-    !endif

-    

-  ${endif}

-

-!macroend

-

-!macro MULTIUSER_INSTALLMODE_CURRENTUSER UNINSTALLER_PREFIX UNINSTALLER_FUNCPREFIX

-

-  ;Install mode initialization - per-user

-  

-  ${if} ${IsNT}  

-  

-    StrCpy $MultiUser.InstallMode CurrentUser

-    

-    SetShellVarContext current

-  

-    !if "${UNINSTALLER_PREFIX}" != UN

-      ;Set default installation location for installer  

-      !ifdef MULTIUSER_INSTALLMODE_INSTDIR

-        ${if} ${AtLeastWin2000}

-          StrCpy $INSTDIR "$LOCALAPPDATA\bin\${MULTIUSER_INSTALLMODE_INSTDIR}"

-        ${else}

-          StrCpy $INSTDIR "${GLOBALINSTDIR}\${MULTIUSER_INSTALLMODE_INSTDIR}"

-        ${endif}

-      !endif

-    !endif

-  

-    !ifdef MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY & MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME

-  

-      ReadRegStr $MultiUser.InstDir HKCU "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME}"

-  

-      ${if} $MultiUser.InstDir != ""

-        StrCpy $INSTDIR $MultiUser.InstDir

-      ${endif}

-  

-    !endif

-  

-    !ifdef MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION

-      Call "${MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION}"

-    !endif

-  

-  ${endif}

-

-!macroend

-

-Function MultiUser.InstallMode.AllUsers

-  !insertmacro MULTIUSER_INSTALLMODE_ALLUSERS "" ""

-FunctionEnd

-

-Function MultiUser.InstallMode.CurrentUser

-  !insertmacro MULTIUSER_INSTALLMODE_CURRENTUSER "" ""

-FunctionEnd

-

-!ifndef MULTIUSER_NOUNINSTALL

-

-Function un.MultiUser.InstallMode.AllUsers

-  !insertmacro MULTIUSER_INSTALLMODE_ALLUSERS UN .un

-FunctionEnd

-

-Function un.MultiUser.InstallMode.CurrentUser

-  !insertmacro MULTIUSER_INSTALLMODE_CURRENTUSER UN .un

-FunctionEnd

-

-!endif

-

-/*

-

-Installer/uninstaller initialization

-

-*/

-

-!macro MULTIUSER_INIT_QUIT UNINSTALLER_FUNCPREFIX

-

-  !ifdef MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUNCTIONQUIT

-    Call "${MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUCTIONQUIT}

-  !else

-    Quit

-  !endif

-

-!macroend

-

-!macro MULTIUSER_INIT_TEXTS

-

-  !ifndef MULTIUSER_INIT_TEXT_ADMINREQUIRED

-    !define MULTIUSER_INIT_TEXT_ADMINREQUIRED "$(^Caption) requires Administrator priviledges."

-  !endif

-

-  !ifndef MULTIUSER_INIT_TEXT_POWERREQUIRED

-    !define MULTIUSER_INIT_TEXT_POWERREQUIRED "$(^Caption) requires at least Power User priviledges."

-  !endif

-

-  !ifndef MULTIUSER_INIT_TEXT_ALLUSERSNOTPOSSIBLE

-    !define MULTIUSER_INIT_TEXT_ALLUSERSNOTPOSSIBLE "Your user account does not have sufficient privileges to install $(^Name) for all users of this compuetr."

-  !endif

-

-!macroend

-

-!macro MULTIUSER_INIT_CHECKS UNINSTALLER_PREFIX UNINSTALLER_FUNCPREFIX

-

-  ;Installer initialization - check privileges and set install mode

-

-  !insertmacro MULTIUSER_INIT_TEXTS

-

-  UserInfo::GetAccountType

-  Pop $MultiUser.Privileges

-  

-  ${if} ${IsNT}

-  

-    ;Check privileges

-  

-    !if "${MULTIUSER_EXECUTIONLEVEL}" == Admin

-  

-      ${if} $MultiUser.Privileges != "Admin"

-        MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_ADMINREQUIRED}"

-        !insertmacro MULTIUSER_INIT_QUIT "${UNINSTALLER_FUNCPREFIX}"

-      ${endif}

-  

-    !else if "${MULTIUSER_EXECUTIONLEVEL}" == Power

-  

-      ${if} $MultiUser.Privileges != "Power"

-        ${andif} $MultiUser.Privileges != "Admin"

-        ${if} ${AtMostWinXP}

-           MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_POWERREQUIRED}"

-        ${else}

-           MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_ADMINREQUIRED}"

-        ${endif}        

-        !insertmacro MULTIUSER_INIT_QUIT "${UNINSTALLER_FUNCPREFIX}"

-      ${endif}

-  

-    !endif

-    

-    !ifdef MULTIUSER_EXECUTIONLEVEL_ALLUSERS

-    

-      ;Default to per-machine installation if possible

-    

-      ${if} $MultiUser.Privileges == "Admin"

-        ${orif} $MultiUser.Privileges == "Power"

-        !ifndef MULTIUSER_INSTALLMODE_DEFAULT_CURRENTUSER

-          Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers

-        !else

-          Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser

-        !endif

-

-        !ifdef MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY & MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME

-

-          ;Set installation mode to setting from a previous installation

-

-          !ifndef MULTIUSER_INSTALLMODE_DEFAULT_CURRENTUSER

-            ReadRegStr $MultiUser.DefaultKeyValue HKLM "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"

-            ${if} $MultiUser.DefaultKeyValue == ""

-              ReadRegStr $MultiUser.DefaultKeyValue HKCU "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"

-              ${if} $MultiUser.DefaultKeyValue != ""

-                Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser

-              ${endif}

-            ${endif}

-          !else

-            ReadRegStr $MultiUser.DefaultKeyValue HKCU "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"

-            ${if} $MultiUser.DefaultKeyValue == ""

-              ReadRegStr $MultiUser.DefaultKeyValue HKLM "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"

-              ${if} $MultiUser.DefaultKeyValue != ""

-                Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers

-              ${endif}

-            ${endif}

-          !endif

-

-        !endif

-

-      ${else}

-        Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser

-      ${endif}

-    

-    !else

-

-      Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser

-

-    !endif  

-  

-    !ifdef MULTIUSER_INSTALLMODE_COMMANDLINE

-    

-      ;Check for install mode setting on command line

-

-      ${${UNINSTALLER_FUNCPREFIX}GetParameters} $MultiUser.Parameters

-  

-      ${${UNINSTALLER_PREFIX}StrStr} $MultiUser.Result $MultiUser.Parameters "/CurrentUser"    

-    

-      ${if} $MultiUser.Result != ""

-        Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser

-      ${endif}    

-  

-      ${${UNINSTALLER_PREFIX}StrStr} $MultiUser.Result $MultiUser.Parameters "/AllUsers"    

-    

-      ${if} $MultiUser.Result != ""

-        ${if} $MultiUser.Privileges == "Admin"

-          ${orif} $MultiUser.Privileges == "Power"

-          Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers

-        ${else}

-          MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_ALLUSERSNOTPOSSIBLE}"

-        ${endif}

-      ${endif}

-  

-    !endif

-    

-  ${else}

-  

-    ;Not running Windows NT, per-user installation not supported

-    

-    Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers

-  

-  ${endif}

-

-!macroend

-

-!macro MULTIUSER_INIT

-  !verbose push

-  !verbose 3

-  

-  !insertmacro MULTIUSER_INIT_CHECKS "" ""

-  

-  !verbose pop 

-!macroend

-

-!ifndef MULTIUSER_NOUNINSTALL

-

-!macro MULTIUSER_UNINIT

-  !verbose push

-  !verbose 3

-  

-  !insertmacro MULTIUSER_INIT_CHECKS Un un.

-  

-  !verbose pop 

-!macroend

-

-!endif

-

-/*

-

-Modern UI 2 page

-

-*/

-

-!ifdef MULTIUSER_MUI

-

-!macro MULTIUSER_INSTALLMODEPAGE_INTERFACE

-

-  !ifndef MULTIUSER_INSTALLMODEPAGE_INTERFACE

-    !define MULTIUSER_INSTALLMODEPAGE_INTERFACE

-    Var MultiUser.InstallModePage

-    

-    Var MultiUser.InstallModePage.Text

-    

-    Var MultiUser.InstallModePage.AllUsers

-    Var MultiUser.InstallModePage.CurrentUser

-    

-    Var MultiUser.InstallModePage.ReturnValue

-  !endif

-

-!macroend

-

-!macro MULTIUSER_PAGEDECLARATION_INSTALLMODE

-

-  !insertmacro MUI_SET MULTIUSER_${MUI_PAGE_UNINSTALLER_PREFIX}INSTALLMODEPAGE ""

-  !insertmacro MULTIUSER_INSTALLMODEPAGE_INTERFACE

-

-  !insertmacro MUI_DEFAULT MULTIUSER_INSTALLMODEPAGE_TEXT_TOP "$(MULTIUSER_INNERTEXT_INSTALLMODE_TOP)"

-  !insertmacro MUI_DEFAULT MULTIUSER_INSTALLMODEPAGE_TEXT_ALLUSERS "$(MULTIUSER_INNERTEXT_INSTALLMODE_ALLUSERS)"

-  !insertmacro MUI_DEFAULT MULTIUSER_INSTALLMODEPAGE_TEXT_CURRENTUSER "$(MULTIUSER_INNERTEXT_INSTALLMODE_CURRENTUSER)"  

-

-  PageEx custom

-

-    PageCallbacks MultiUser.InstallModePre_${MUI_UNIQUEID} MultiUser.InstallModeLeave_${MUI_UNIQUEID}

-

-    Caption " "

-

-  PageExEnd

-

-  !insertmacro MULTIUSER_FUNCTION_INSTALLMODEPAGE MultiUser.InstallModePre_${MUI_UNIQUEID} MultiUser.InstallModeLeave_${MUI_UNIQUEID}

-

-  !undef MULTIUSER_INSTALLMODEPAGE_TEXT_TOP

-  !undef MULTIUSER_INSTALLMODEPAGE_TEXT_ALLUSERS

-  !undef MULTIUSER_INSTALLMODEPAGE_TEXT_CURRENTUSER

-

-!macroend

-

-!macro MULTIUSER_PAGE_INSTALLMODE

-

-  ;Modern UI page for install mode

-

-  !verbose push

-  !verbose 3

-  

-  !ifndef MULTIUSER_EXECUTIONLEVEL_ALLUSERS

-    !error "A mixed-mode installation requires MULTIUSER_EXECUTIONLEVEL to be set to Admin, Power or Highest."

-  !endif

-  

-  !insertmacro MUI_PAGE_INIT

-  !insertmacro MULTIUSER_PAGEDECLARATION_INSTALLMODE

-  

-  !verbose pop

-

-!macroend

-

-!macro MULTIUSER_FUNCTION_INSTALLMODEPAGE PRE LEAVE

-

-  ;Page functions of Modern UI page

-

-  Function "${PRE}"

-  

-    ${ifnot} ${IsNT}

-      Abort

-    ${endif}

-  

-    ${if} $MultiUser.Privileges != "Power"

-      ${andif} $MultiUser.Privileges != "Admin"

-      Abort

-    ${endif}

-    

-    !insertmacro MUI_PAGE_FUNCTION_CUSTOM PRE

-    !insertmacro MUI_HEADER_TEXT_PAGE $(MULTIUSER_TEXT_INSTALLMODE_TITLE) $(MULTIUSER_TEXT_INSTALLMODE_SUBTITLE)

-    

-    nsDialogs::Create 1018

-    Pop $MultiUser.InstallModePage

-

-    ${NSD_CreateLabel} 0u 0u 300u 20u "${MULTIUSER_INSTALLMODEPAGE_TEXT_TOP}"

-    Pop $MultiUser.InstallModePage.Text

-

-    ${NSD_CreateRadioButton} 20u 50u 280u 10u "${MULTIUSER_INSTALLMODEPAGE_TEXT_ALLUSERS}"

-    Pop $MultiUser.InstallModePage.AllUsers

-    

-    ${NSD_CreateRadioButton} 20u 70u 280u 10u "${MULTIUSER_INSTALLMODEPAGE_TEXT_CURRENTUSER}"

-    Pop $MultiUser.InstallModePage.CurrentUser

-    

-    ${if} $MultiUser.InstallMode == "AllUsers"

-      SendMessage $MultiUser.InstallModePage.AllUsers ${BM_SETCHECK} ${BST_CHECKED} 0

-    ${else}

-      SendMessage $MultiUser.InstallModePage.CurrentUser ${BM_SETCHECK} ${BST_CHECKED} 0

-    ${endif}

-    

-    !insertmacro MUI_PAGE_FUNCTION_CUSTOM SHOW

-    nsDialogs::Show

-    

-  FunctionEnd

-

-  Function "${LEAVE}"

-     SendMessage $MultiUser.InstallModePage.AllUsers ${BM_GETCHECK} 0 0 $MultiUser.InstallModePage.ReturnValue

-     

-     ${if} $MultiUser.InstallModePage.ReturnValue = ${BST_CHECKED}

-        Call MultiUser.InstallMode.AllUsers

-     ${else}

-        Call MultiUser.InstallMode.CurrentUser

-     ${endif}

-  

-    !insertmacro MUI_PAGE_FUNCTION_CUSTOM LEAVE

-  FunctionEnd

-

-!macroend

-

-!endif

-

-!verbose pop

-!endif

+/*
+
+MultiUser.nsh
+
+Installer configuration for multi-user Windows environments
+
+Copyright 2008-2009 Joost Verburg
+Updated 2016 by H. Peter Anvin to handle 64-bit Windows
+
+*/
+
+!ifndef MULTIUSER_INCLUDED
+!define MULTIUSER_INCLUDED
+!verbose push
+!verbose 3
+
+;Standard NSIS header files
+
+!ifdef MULTIUSER_MUI
+  !include MUI2.nsh
+!endif
+!include nsDialogs.nsh
+!include LogicLib.nsh
+!include WinVer.nsh
+!include FileFunc.nsh
+
+;Variables
+
+Var MultiUser.Privileges
+Var MultiUser.InstallMode
+
+;Command line installation mode setting
+
+!ifdef MULTIUSER_INSTALLMODE_COMMANDLINE
+  !include StrFunc.nsh
+  !ifndef StrStr_INCLUDED
+    ${StrStr}
+  !endif
+  !ifndef MULTIUSER_NOUNINSTALL
+    !ifndef UnStrStr_INCLUDED
+      ${UnStrStr}
+    !endif
+  !endif
+
+  Var MultiUser.Parameters
+  Var MultiUser.Result
+!endif
+
+;Installation folder stored in registry
+
+!ifdef MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY & MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME
+  Var MultiUser.InstDir
+!endif
+
+!ifdef MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY & MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME
+  Var MultiUser.DefaultKeyValue
+!endif
+
+;Windows Vista UAC setting
+
+!if "${MULTIUSER_EXECUTIONLEVEL}" == Admin
+  RequestExecutionLevel admin
+  !define MULTIUSER_EXECUTIONLEVEL_ALLUSERS
+!else if "${MULTIUSER_EXECUTIONLEVEL}" == Power
+  RequestExecutionLevel admin
+  !define MULTIUSER_EXECUTIONLEVEL_ALLUSERS
+!else if "${MULTIUSER_EXECUTIONLEVEL}" == Highest
+  RequestExecutionLevel highest
+  !define MULTIUSER_EXECUTIONLEVEL_ALLUSERS
+!else
+  RequestExecutionLevel user
+!endif
+
+/*
+
+Install modes
+
+*/
+
+!macro MULTIUSER_INSTALLMODE_ALLUSERS UNINSTALLER_PREFIX UNINSTALLER_FUNCPREFIX
+
+  ;Install mode initialization - per-machine
+
+  ${ifnot} ${IsNT}
+    ${orif} $MultiUser.Privileges == "Admin"
+    ${orif} $MultiUser.Privileges == "Power"
+
+    StrCpy $MultiUser.InstallMode AllUsers
+
+    SetShellVarContext all
+
+    !if "${UNINSTALLER_PREFIX}" != UN
+      ;Set default installation location for installer
+      !ifdef MULTIUSER_INSTALLMODE_INSTDIR
+        StrCpy $INSTDIR "${GLOBALINSTDIR}\${MULTIUSER_INSTALLMODE_INSTDIR}"
+      !endif
+    !endif
+
+    !ifdef MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY & MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME
+
+      ReadRegStr $MultiUser.InstDir HKLM "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME}"
+
+      ${if} $MultiUser.InstDir != ""
+        StrCpy $INSTDIR $MultiUser.InstDir
+      ${endif}
+
+    !endif
+
+    !ifdef MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION
+      Call "${MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION}"
+    !endif
+
+  ${endif}
+
+!macroend
+
+!macro MULTIUSER_INSTALLMODE_CURRENTUSER UNINSTALLER_PREFIX UNINSTALLER_FUNCPREFIX
+
+  ;Install mode initialization - per-user
+
+  ${if} ${IsNT}
+
+    StrCpy $MultiUser.InstallMode CurrentUser
+
+    SetShellVarContext current
+
+    !if "${UNINSTALLER_PREFIX}" != UN
+      ;Set default installation location for installer
+      !ifdef MULTIUSER_INSTALLMODE_INSTDIR
+        ${if} ${AtLeastWin2000}
+          StrCpy $INSTDIR "$LOCALAPPDATA\bin\${MULTIUSER_INSTALLMODE_INSTDIR}"
+        ${else}
+          StrCpy $INSTDIR "${GLOBALINSTDIR}\${MULTIUSER_INSTALLMODE_INSTDIR}"
+        ${endif}
+      !endif
+    !endif
+
+    !ifdef MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY & MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME
+
+      ReadRegStr $MultiUser.InstDir HKCU "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME}"
+
+      ${if} $MultiUser.InstDir != ""
+        StrCpy $INSTDIR $MultiUser.InstDir
+      ${endif}
+
+    !endif
+
+    !ifdef MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION
+      Call "${MULTIUSER_INSTALLMODE_${UNINSTALLER_PREFIX}FUNCTION}"
+    !endif
+
+  ${endif}
+
+!macroend
+
+Function MultiUser.InstallMode.AllUsers
+  !insertmacro MULTIUSER_INSTALLMODE_ALLUSERS "" ""
+FunctionEnd
+
+Function MultiUser.InstallMode.CurrentUser
+  !insertmacro MULTIUSER_INSTALLMODE_CURRENTUSER "" ""
+FunctionEnd
+
+!ifndef MULTIUSER_NOUNINSTALL
+
+Function un.MultiUser.InstallMode.AllUsers
+  !insertmacro MULTIUSER_INSTALLMODE_ALLUSERS UN .un
+FunctionEnd
+
+Function un.MultiUser.InstallMode.CurrentUser
+  !insertmacro MULTIUSER_INSTALLMODE_CURRENTUSER UN .un
+FunctionEnd
+
+!endif
+
+/*
+
+Installer/uninstaller initialization
+
+*/
+
+!macro MULTIUSER_INIT_QUIT UNINSTALLER_FUNCPREFIX
+
+  !ifdef MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUNCTIONQUIT
+    Call "${MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUCTIONQUIT}
+  !else
+    Quit
+  !endif
+
+!macroend
+
+!macro MULTIUSER_INIT_TEXTS
+
+  !ifndef MULTIUSER_INIT_TEXT_ADMINREQUIRED
+    !define MULTIUSER_INIT_TEXT_ADMINREQUIRED "$(^Caption) requires Administrator priviledges."
+  !endif
+
+  !ifndef MULTIUSER_INIT_TEXT_POWERREQUIRED
+    !define MULTIUSER_INIT_TEXT_POWERREQUIRED "$(^Caption) requires at least Power User priviledges."
+  !endif
+
+  !ifndef MULTIUSER_INIT_TEXT_ALLUSERSNOTPOSSIBLE
+    !define MULTIUSER_INIT_TEXT_ALLUSERSNOTPOSSIBLE "Your user account does not have sufficient privileges to install $(^Name) for all users of this compuetr."
+  !endif
+
+!macroend
+
+!macro MULTIUSER_INIT_CHECKS UNINSTALLER_PREFIX UNINSTALLER_FUNCPREFIX
+
+  ;Installer initialization - check privileges and set install mode
+
+  !insertmacro MULTIUSER_INIT_TEXTS
+
+  UserInfo::GetAccountType
+  Pop $MultiUser.Privileges
+
+  ${if} ${IsNT}
+
+    ;Check privileges
+
+    !if "${MULTIUSER_EXECUTIONLEVEL}" == Admin
+
+      ${if} $MultiUser.Privileges != "Admin"
+        MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_ADMINREQUIRED}"
+        !insertmacro MULTIUSER_INIT_QUIT "${UNINSTALLER_FUNCPREFIX}"
+      ${endif}
+
+    !else if "${MULTIUSER_EXECUTIONLEVEL}" == Power
+
+      ${if} $MultiUser.Privileges != "Power"
+        ${andif} $MultiUser.Privileges != "Admin"
+        ${if} ${AtMostWinXP}
+           MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_POWERREQUIRED}"
+        ${else}
+           MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_ADMINREQUIRED}"
+        ${endif}
+        !insertmacro MULTIUSER_INIT_QUIT "${UNINSTALLER_FUNCPREFIX}"
+      ${endif}
+
+    !endif
+
+    !ifdef MULTIUSER_EXECUTIONLEVEL_ALLUSERS
+
+      ;Default to per-machine installation if possible
+
+      ${if} $MultiUser.Privileges == "Admin"
+        ${orif} $MultiUser.Privileges == "Power"
+        !ifndef MULTIUSER_INSTALLMODE_DEFAULT_CURRENTUSER
+          Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers
+        !else
+          Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser
+        !endif
+
+        !ifdef MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY & MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME
+
+          ;Set installation mode to setting from a previous installation
+
+          !ifndef MULTIUSER_INSTALLMODE_DEFAULT_CURRENTUSER
+            ReadRegStr $MultiUser.DefaultKeyValue HKLM "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"
+            ${if} $MultiUser.DefaultKeyValue == ""
+              ReadRegStr $MultiUser.DefaultKeyValue HKCU "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"
+              ${if} $MultiUser.DefaultKeyValue != ""
+                Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser
+              ${endif}
+            ${endif}
+          !else
+            ReadRegStr $MultiUser.DefaultKeyValue HKCU "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"
+            ${if} $MultiUser.DefaultKeyValue == ""
+              ReadRegStr $MultiUser.DefaultKeyValue HKLM "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY}" "${MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME}"
+              ${if} $MultiUser.DefaultKeyValue != ""
+                Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers
+              ${endif}
+            ${endif}
+          !endif
+
+        !endif
+
+      ${else}
+        Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser
+      ${endif}
+
+    !else
+
+      Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser
+
+    !endif
+
+    !ifdef MULTIUSER_INSTALLMODE_COMMANDLINE
+
+      ;Check for install mode setting on command line
+
+      ${${UNINSTALLER_FUNCPREFIX}GetParameters} $MultiUser.Parameters
+
+      ${${UNINSTALLER_PREFIX}StrStr} $MultiUser.Result $MultiUser.Parameters "/CurrentUser"
+
+      ${if} $MultiUser.Result != ""
+        Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.CurrentUser
+      ${endif}
+
+      ${${UNINSTALLER_PREFIX}StrStr} $MultiUser.Result $MultiUser.Parameters "/AllUsers"
+
+      ${if} $MultiUser.Result != ""
+        ${if} $MultiUser.Privileges == "Admin"
+          ${orif} $MultiUser.Privileges == "Power"
+          Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers
+        ${else}
+          MessageBox MB_OK|MB_ICONSTOP "${MULTIUSER_INIT_TEXT_ALLUSERSNOTPOSSIBLE}"
+        ${endif}
+      ${endif}
+
+    !endif
+
+  ${else}
+
+    ;Not running Windows NT, per-user installation not supported
+
+    Call ${UNINSTALLER_FUNCPREFIX}MultiUser.InstallMode.AllUsers
+
+  ${endif}
+
+!macroend
+
+!macro MULTIUSER_INIT
+  !verbose push
+  !verbose 3
+
+  !insertmacro MULTIUSER_INIT_CHECKS "" ""
+
+  !verbose pop
+!macroend
+
+!ifndef MULTIUSER_NOUNINSTALL
+
+!macro MULTIUSER_UNINIT
+  !verbose push
+  !verbose 3
+
+  !insertmacro MULTIUSER_INIT_CHECKS Un un.
+
+  !verbose pop
+!macroend
+
+!endif
+
+/*
+
+Modern UI 2 page
+
+*/
+
+!ifdef MULTIUSER_MUI
+
+!macro MULTIUSER_INSTALLMODEPAGE_INTERFACE
+
+  !ifndef MULTIUSER_INSTALLMODEPAGE_INTERFACE
+    !define MULTIUSER_INSTALLMODEPAGE_INTERFACE
+    Var MultiUser.InstallModePage
+
+    Var MultiUser.InstallModePage.Text
+
+    Var MultiUser.InstallModePage.AllUsers
+    Var MultiUser.InstallModePage.CurrentUser
+
+    Var MultiUser.InstallModePage.ReturnValue
+  !endif
+
+!macroend
+
+!macro MULTIUSER_PAGEDECLARATION_INSTALLMODE
+
+  !insertmacro MUI_SET MULTIUSER_${MUI_PAGE_UNINSTALLER_PREFIX}INSTALLMODEPAGE ""
+  !insertmacro MULTIUSER_INSTALLMODEPAGE_INTERFACE
+
+  !insertmacro MUI_DEFAULT MULTIUSER_INSTALLMODEPAGE_TEXT_TOP "$(MULTIUSER_INNERTEXT_INSTALLMODE_TOP)"
+  !insertmacro MUI_DEFAULT MULTIUSER_INSTALLMODEPAGE_TEXT_ALLUSERS "$(MULTIUSER_INNERTEXT_INSTALLMODE_ALLUSERS)"
+  !insertmacro MUI_DEFAULT MULTIUSER_INSTALLMODEPAGE_TEXT_CURRENTUSER "$(MULTIUSER_INNERTEXT_INSTALLMODE_CURRENTUSER)"
+
+  PageEx custom
+
+    PageCallbacks MultiUser.InstallModePre_${MUI_UNIQUEID} MultiUser.InstallModeLeave_${MUI_UNIQUEID}
+
+    Caption " "
+
+  PageExEnd
+
+  !insertmacro MULTIUSER_FUNCTION_INSTALLMODEPAGE MultiUser.InstallModePre_${MUI_UNIQUEID} MultiUser.InstallModeLeave_${MUI_UNIQUEID}
+
+  !undef MULTIUSER_INSTALLMODEPAGE_TEXT_TOP
+  !undef MULTIUSER_INSTALLMODEPAGE_TEXT_ALLUSERS
+  !undef MULTIUSER_INSTALLMODEPAGE_TEXT_CURRENTUSER
+
+!macroend
+
+!macro MULTIUSER_PAGE_INSTALLMODE
+
+  ;Modern UI page for install mode
+
+  !verbose push
+  !verbose 3
+
+  !ifndef MULTIUSER_EXECUTIONLEVEL_ALLUSERS
+    !error "A mixed-mode installation requires MULTIUSER_EXECUTIONLEVEL to be set to Admin, Power or Highest."
+  !endif
+
+  !insertmacro MUI_PAGE_INIT
+  !insertmacro MULTIUSER_PAGEDECLARATION_INSTALLMODE
+
+  !verbose pop
+
+!macroend
+
+!macro MULTIUSER_FUNCTION_INSTALLMODEPAGE PRE LEAVE
+
+  !ifndef MULTIUSER_TEXT_NOTADMIN
+    !define MULTIUSER_TEXT_NOTADMIN "The installer is currently running as an unprivileged user.  It will not be possible to install this software for all users on the system.  Cancel and re-run the installer as Administrator to install system-wide."
+  !endif
+
+  ;Page functions of Modern UI page
+
+  Function "${PRE}"
+
+    ${ifnot} ${IsNT}
+      Abort
+    ${endif}
+
+    ${if} $MultiUser.Privileges != "Power"
+      ${andif} $MultiUser.Privileges != "Admin"
+	MessageBox MB_OKCANCEL "${MULTIUSER_TEXT_NOTADMIN}" /SD IDOK IDABORT nofun
+	Abort
+
+    nofun:
+	Quit
+    ${endif}
+
+    !insertmacro MUI_PAGE_FUNCTION_CUSTOM PRE
+    !insertmacro MUI_HEADER_TEXT_PAGE $(MULTIUSER_TEXT_INSTALLMODE_TITLE) $(MULTIUSER_TEXT_INSTALLMODE_SUBTITLE)
+
+    nsDialogs::Create 1018
+    Pop $MultiUser.InstallModePage
+
+    ${NSD_CreateLabel} 0u 0u 300u 20u "${MULTIUSER_INSTALLMODEPAGE_TEXT_TOP}"
+    Pop $MultiUser.InstallModePage.Text
+
+    ${NSD_CreateRadioButton} 20u 50u 280u 10u "${MULTIUSER_INSTALLMODEPAGE_TEXT_ALLUSERS}"
+    Pop $MultiUser.InstallModePage.AllUsers
+
+    ${NSD_CreateRadioButton} 20u 70u 280u 10u "${MULTIUSER_INSTALLMODEPAGE_TEXT_CURRENTUSER}"
+    Pop $MultiUser.InstallModePage.CurrentUser
+
+    ${if} $MultiUser.InstallMode == "AllUsers"
+      SendMessage $MultiUser.InstallModePage.AllUsers ${BM_SETCHECK} ${BST_CHECKED} 0
+    ${else}
+      SendMessage $MultiUser.InstallModePage.CurrentUser ${BM_SETCHECK} ${BST_CHECKED} 0
+    ${endif}
+
+    !insertmacro MUI_PAGE_FUNCTION_CUSTOM SHOW
+    nsDialogs::Show
+
+  FunctionEnd
+
+  Function "${LEAVE}"
+     SendMessage $MultiUser.InstallModePage.AllUsers ${BM_GETCHECK} 0 0 $MultiUser.InstallModePage.ReturnValue
+
+     ${if} $MultiUser.InstallModePage.ReturnValue = ${BST_CHECKED}
+        Call MultiUser.InstallMode.AllUsers
+     ${else}
+        Call MultiUser.InstallMode.CurrentUser
+     ${endif}
+
+    !insertmacro MUI_PAGE_FUNCTION_CUSTOM LEAVE
+  FunctionEnd
+
+!macroend
+
+!endif
+
+!verbose pop
+!endif