App's r/w access to /Library/Preferences/OurAppPrefsFolder, using Xcode 3.2.6
App's r/w access to /Library/Preferences/OurAppPrefsFolder, using Xcode 3.2.6
- Subject: App's r/w access to /Library/Preferences/OurAppPrefsFolder, using Xcode 3.2.6
- From: Jim Prouty <email@hidden>
- Date: Mon, 01 Jul 2013 18:29:00 -0700
We allow our Macintosh application to share some preferences among all users on a computer, and our app reads and writes those setting to files and folders within one of two places:
/Library/Preferences/OurAppPrefsFolder
or
/Users/<username>/Library/Preferences/OurAppPrefsFolder
Mac OS X 10.8 refuses to let us read or write within the shared preferences folder (/Library/Preferences/OurAppPrefsFolder).
We want to restore this capability to our users.
Our app is not sandboxed currently, but the com.apple.security.temporary-exception.shared-preference.read-write key seems to be the solution.
After scanning "App Sandbox Design Guide"
http://developer.apple.com/library/mac/#documentation/Security/Conceptual/AppSandboxDesignGuide/AppSandboxInDepth/AppSandboxInDepth.html#//apple_ref/doc/uid/TP40011183-CH3-SW8
and reading "Aperture 3.4, Sandboxing, and FlickrExport":
http://mjtsai.com/blog/2012/09/23/aperture-3-4-sandboxing-and-flickrexport/
And using our somewhat aged XCode 3.2.6 (don't laugh!) to add keys to our Info.plist:
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.temporary-exception.shared-preference.read-write</key>
<array>
<string>WaveMetrics/</string>
</array>
The ability is unchanged.
Our app is codesigned, but apparently lacks entitlements I thought I'd added:
$ codesign -dvvvv --entitlements - /Source/Igor\ 6\ Xcode\ Folder/Igor\ Pro.app
Executable=/Source/Igor 6 Xcode Folder/Igor Pro.app/Contents/MacOS/Igor Pro
Identifier=com.wavemetrics.igorpromach
Format=bundle with Mach-O thin (i386)
CodeDirectory v=20100 size=166276 flags=0x0(none) hashes=8307+3 location=embedded
CDHash=b666bb1735285aa8ade994b9baedba47a5169c9b
Signature size=4228
Authority=Developer ID Application: WaveMetrics, Inc.
Authority=Developer ID Certification Authority
Authority=Apple Root CA
Signed Time=Jul 1, 2013 6:11:49 PM
Info.plist entries=25
Sealed Resources rules=4 files=19
Internal requirements count=1 size=188
Jims-Shiny-New-Mac-Pro:~ jim$
Obviously I'm missing something here...
--Jim
========================================================================
Jim "How does it work?" Prouty
Voice: (503) 620-3001, FAX: (503) 620-6754
Makers of IGOR Pro, scientific data analysis and graphing for Mac and PC
http://www.wavemetrics.com
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