Got it. Thank you. Xudong
2009/5/5 William Enck <[email protected]> > Xudong, > On May 5, 2009, at 12:59 PM, 倪旭东 wrote: > > Thank you. I still have some questions: > 1. After the installation, the app's related permissions files is saved in > the same .apk file or saved in a system central file? > > > Take a look at /data/system/packages.xml > > 2. At runtime, I learned that there is a "reference monitor" from the paper > Understanding Android > Security<http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=4768640&arnumber=4768655>to > check the permission lable. Which is the source code for this "reference > monitor", or it's a vitual concept. I wonder to know which parts of source > code dealing with this function. Thanks. > > > We described it more as a "virtual concept". There isn't code > directly corresponding to a reference monitor, but the Activity Manager > (frameworks/base/services/java/com/android/server/am/ActivityManagerService.java) > is > a good place to start looking. > > -Will > > -- > William Enck > PhD Candidate > Department of Computer Science and Engineering > The Pennsylvania State University > [email protected] > >
