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use the UAC plugin to elevate uninstaller

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This commit is contained in:
Stephen Birarda 2016-01-13 14:16:50 -08:00
parent 0a0b152f97
commit 6bccdc81b4
1 changed files with 30 additions and 4 deletions
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34
cmake/templates/NSIS.template.in
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@ -30,8 +30,10 @@
;--------------------------------
;General
!ifdef INNER
; leverage the UAC NSIS plugin to promote uninstaller to elevated privileges
!include UAC.nsh
!echo "Inner invocation" ; just to see what's going on
; Require user only for temp installer
@ -62,7 +64,7 @@
; The Inner invocation has written an uninstaller binary for us.
; We need to sign it if it's a production or PR build.
!if @PRODUCTION_BUILD@ == 1
!system '"@SIGNTOOL_EXECUTABLE@" sign /f %HF_PFX_FILE% /p %HF_PFX_PASSPHRASE% /tr http://tsa.starfieldtech.com /td SHA256 $%TEMP%\uninstaller.exe' = 0
!system '"@SIGNTOOL_EXECUTABLE@" sign /f %HF_PFX_FILE% /p %HF_PFX_PASSPHRASE% /tr http://tsa.starfieldtech.com /td SHA256 $%TEMP%\Uninstall.exe' = 0
!endif
; Good. Now we can carry on writing the real installer.
@ -685,7 +687,7 @@ Section "-Core installation"
;Package the signed uninstaller produced by the inner loop
!ifndef INNER
; this packages the signed uninstaller
File $%TEMP%\uninstaller.exe
File $%TEMP%\Uninstaller.exe
!endif
Push "DisplayName"
@ -928,6 +930,29 @@ FunctionEnd
; determine admin versus local install
Function un.onInit
; attempt to elevate the uninstaller to admin status
uac_tryagain:
!insertmacro UAC_RunElevated
${Switch} $0
${Case} 0
${IfThen} $1 = 1 ${|} Quit ${|} ;we are the outer process, the inner process has done its work, we are done
${IfThen} $3 <> 0 ${|} ${Break} ${|} ;we are admin, let the show go on
${If} $1 = 3 ;RunAs completed successfully, but with a non-admin user
MessageBox mb_YesNo|mb_IconExclamation|mb_TopMost|mb_SetForeground "The uninstaller requires admin privileges, try again" /SD IDNO IDYES uac_tryagain IDNO 0
${EndIf}
;fall-through and die
${Case} 1223
MessageBox mb_IconStop|mb_TopMost|mb_SetForeground "The uninstaller requires admin privileges, aborting!"
Quit
${Case} 1062
MessageBox mb_IconStop|mb_TopMost|mb_SetForeground "Logon service not running, aborting!"
Quit
${Default}
MessageBox mb_IconStop|mb_TopMost|mb_SetForeground "Unable to elevate, error $0"
Quit
${EndSwitch}
ClearErrors
UserInfo::GetName
IfErrors noLM
@ -994,6 +1019,7 @@ FunctionEnd
!ifdef INNER
Section "Uninstall"
ReadRegStr $START_MENU SHCTX \
"Software\Microsoft\Windows\CurrentVersion\Uninstall\@CPACK_PACKAGE_INSTALL_REGISTRY_KEY@" "StartMenu"
;MessageBox MB_OK "Start menu is in: $START_MENU"
@ -1107,7 +1133,7 @@ Function .onInit
; the installer. This is better than processing a command line option as it means
; this entire code path is not present in the final (real) installer.
WriteUninstaller "$%TEMP%\uninstaller.exe"
WriteUninstaller "$%TEMP%\Uninstall.exe"
; just bail out quickly when running the "inner" installer
Quit