Prevent installing stand-alone installers on unsupported environments.

- Prevent installers from installing on XP/Vista.
- Prevent x64 installers from installing on x86.

5 files changed, 24 insertions, 94 deletions

diff --git a/browser/branding/official/branding.nsi b/browser/branding/official/branding.nsi
index 24b0f4bba6..58d7554dfe 100644
--- a/browser/branding/official/branding.nsi
+++ b/browser/branding/official/branding.nsi
@@ -20,7 +20,7 @@
 !define OFFICIAL
 !define URLStubDownload ""
 !define URLManualDownload ""
-!define URLSystemRequirements ""
+!define URLSystemRequirements "http://www.basilisk-browser.org/requirements.shtml"
 !define Channel "release"
 
 # The installer's certificate name and issuer expected by the stub installer
diff --git a/browser/installer/windows/nsis/installer.nsi b/browser/installer/windows/nsis/installer.nsi
index aed5808cd2..994c092790 100755
--- a/browser/installer/windows/nsis/installer.nsi
+++ b/browser/installer/windows/nsis/installer.nsi
@@ -1139,13 +1139,11 @@ Function .onInit
 
   ; Don't install on systems that don't support SSE2. The parameter value of
   ; 10 is for PF_XMMI64_INSTRUCTIONS_AVAILABLE which will check whether the
-  ; SSE2 instruction set is available.
+  ; SSE2 instruction set is available. Result returned in $R7.
   System::Call "kernel32::IsProcessorFeaturePresent(i 10)i .R7"
 
-!ifdef HAVE_64BIT_BUILD
-  ; Restrict x64 builds from being installed on x86 and pre Win7
-  ${Unless} ${RunningX64}
-  ${OrUnless} ${AtLeastWin7}
+  ; Windows NT 6.0 and lower are not supported on any architecture.
+  ${Unless} ${AtLeastWin7}
     ${If} "$R7" == "0"
       strCpy $R7 "$(WARN_MIN_SUPPORTED_OSVER_CPU_MSG)"
     ${Else}
@@ -1156,59 +1154,28 @@ Function .onInit
     Quit
   ${EndUnless}
 
-  SetRegView 64
-!else
-  StrCpy $R8 "0"
-  ${If} ${AtMostWin2000}
-    StrCpy $R8 "1"
-  ${EndIf}
-
-  ${If} ${IsWinXP}
-  ${AndIf} ${AtMostServicePack} 1
-    StrCpy $R8 "1"
-  ${EndIf}
-
-  ${If} $R8 == "1"
-    ; XXX-rstrong - some systems failed the AtLeastWin2000 test that we
-    ; used to use for an unknown reason and likely fail the AtMostWin2000
-    ; and possibly the IsWinXP test as well. To work around this also
-    ; check if the Windows NT registry Key exists and if it does if the
-    ; first char in CurrentVersion is equal to 3 (Windows NT 3.5 and
-    ; 3.5.1), 4 (Windows NT 4), or 5 (Windows 2000 and Windows XP).
-    StrCpy $R8 ""
-    ClearErrors
-    ReadRegStr $R8 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" "CurrentVersion"
-    StrCpy $R8 "$R8" 1
-    ${If} ${Errors}
-    ${OrIf} "$R8" == "3"
-    ${OrIf} "$R8" == "4"
-    ${OrIf} "$R8" == "5"
-      ${If} "$R7" == "0"
-        strCpy $R7 "$(WARN_MIN_SUPPORTED_OSVER_CPU_MSG)"
-      ${Else}
-        strCpy $R7 "$(WARN_MIN_SUPPORTED_OSVER_MSG)"
-      ${EndIf}
-      MessageBox MB_OKCANCEL|MB_ICONSTOP "$R7" IDCANCEL +2
-      ExecShell "open" "${URLSystemRequirements}"
-      Quit
-    ${EndIf}
-  ${EndUnless}
-!endif
-
+  ; SSE2 support
   ${If} "$R7" == "0"
     MessageBox MB_OKCANCEL|MB_ICONSTOP "$(WARN_MIN_SUPPORTED_CPU_MSG)" IDCANCEL +2
     ExecShell "open" "${URLSystemRequirements}"
     Quit
   ${EndIf}
 
+!ifdef HAVE_64BIT_BUILD
+  ${Unless} ${RunningX64}
+    MessageBox MB_OKCANCEL|MB_ICONSTOP "$(WARN_MIN_SUPPORTED_OSVER_MSG)" IDCANCEL +2
+    ExecShell "open" "${URLSystemRequirements}"
+    Quit
+  ${EndUnless}
+  SetRegView 64
+!endif
+
   ${InstallOnInitCommon} "$(WARN_MIN_SUPPORTED_OSVER_CPU_MSG)"
 
 ; The commands inside this ifndef are needed prior to NSIS 3.0a2 and can be
 ; removed after we require NSIS 3.0a2 or greater.
 !ifndef NSIS_PACKEDVERSION
-  ${If} ${AtLeastWinVista}
-    System::Call 'user32::SetProcessDPIAware()'
-  ${EndIf}
+  System::Call 'user32::SetProcessDPIAware()'
 !endif
 
   !insertmacro InitInstallOptionsFile "options.ini"
diff --git a/browser/installer/windows/nsis/maintenanceservice_installer.nsi b/browser/installer/windows/nsis/maintenanceservice_installer.nsi
index 4bc9d2bede..1f73bac6a0 100644
--- a/browser/installer/windows/nsis/maintenanceservice_installer.nsi
+++ b/browser/installer/windows/nsis/maintenanceservice_installer.nsi
@@ -120,10 +120,7 @@ Function .onInit
 
   SetSilent silent
 
-  ; On Windows 2000 we do not install the maintenance service.
-  ; We won't run this installer from the parent installer, but just in case 
-  ; someone tries to execute it on Windows 2000...
-  ${Unless} ${AtLeastWinXP}
+  ${Unless} ${AtLeastWin7}
     Abort
   ${EndUnless}
 FunctionEnd
diff --git a/toolkit/components/maintenanceservice/bootstrapinstaller/maintenanceservice_installer.nsi b/toolkit/components/maintenanceservice/bootstrapinstaller/maintenanceservice_installer.nsi
index 9e831dc9c7..d4d21e3777 100644
--- a/toolkit/components/maintenanceservice/bootstrapinstaller/maintenanceservice_installer.nsi
+++ b/toolkit/components/maintenanceservice/bootstrapinstaller/maintenanceservice_installer.nsi
@@ -117,10 +117,7 @@ Function .onInit
   System::Call 'kernel32::SetDllDirectoryW(w "")'
 
   SetSilent silent
-  ; On Windows 2000 we do not install the maintenance service.
-  ; We won't run this installer from the parent installer, but just in case 
-  ; someone tries to execute it on Windows 2000...
-  ${Unless} ${AtLeastWinXP}
+  ${Unless} ${AtLeastWin7}
     Abort
   ${EndUnless}
 FunctionEnd
diff --git a/toolkit/mozapps/installer/windows/nsis/common.nsh b/toolkit/mozapps/installer/windows/nsis/common.nsh
index ac7607449d..846718dabd 100755
--- a/toolkit/mozapps/installer/windows/nsis/common.nsh
+++ b/toolkit/mozapps/installer/windows/nsis/common.nsh
@@ -5107,46 +5107,15 @@
         Quit
       ${EndIf}
 
-      !ifdef HAVE_64BIT_BUILD
-        ${Unless} ${RunningX64}
-        ${OrUnless} ${AtLeastWin7}
-          MessageBox MB_OK|MB_ICONSTOP "$R9"
-          ; Nothing initialized so no need to call OnEndCommon
-          Quit
-        ${EndUnless}
+      ; Windows NT 6.0 (Vista/Server 2008) and lower are not supported.
+      ${Unless} ${AtLeastWin7}
+        MessageBox MB_OK|MB_ICONSTOP "$R9"
+        ; Nothing initialized so no need to call OnEndCommon
+        Quit
+      ${EndUnless}
 
+      !ifdef HAVE_64BIT_BUILD
         SetRegView 64
-      !else
-        StrCpy $R8 "0"
-        ${If} ${AtMostWin2000}
-          StrCpy $R8 "1"
-        ${EndIf}
-
-        ${If} ${IsWinXP}
-        ${AndIf} ${AtMostServicePack} 1
-          StrCpy $R8 "1"
-        ${EndIf}
-
-        ${If} $R8 == "1"
-          ; XXX-rstrong - some systems failed the AtLeastWin2000 test that we
-          ; used to use for an unknown reason and likely fail the AtMostWin2000
-          ; and possibly the IsWinXP test as well. To work around this also
-          ; check if the Windows NT registry Key exists and if it does if the
-          ; first char in CurrentVersion is equal to 3 (Windows NT 3.5 and
-          ; 3.5.1), to 4 (Windows NT 4) or 5 (Windows 2000 and Windows XP).
-          StrCpy $R8 ""
-          ClearErrors
-          ReadRegStr $R8 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" "CurrentVersion"
-          StrCpy $R8 "$R8" 1
-          ${If} ${Errors}
-          ${OrIf} "$R8" == "3"
-          ${OrIf} "$R8" == "4"
-          ${OrIf} "$R8" == "5"
-            MessageBox MB_OK|MB_ICONSTOP "$R9"
-            ; Nothing initialized so no need to call OnEndCommon
-            Quit
-          ${EndIf}
-        ${EndUnless}
       !endif
 
       ${GetParameters} $R8