Re: task_post_setgid ?

From: Chris Wright (chrisw@private)
Date: Mon Feb 23 2004 - 14:53:57 PST

  • Next message: Chandra Seetharaman: "Re: task_post_setgid ?"

    * Chandra Seetharaman (sekharan@private) wrote:
    > Hello,
    > 
    > In the list of security hooks, for setuid()(and family), I see two hooks - 
    > task_setuid() and task_post_setuid(), one for checking the permissions and
    > the second for setting the capabilities. But, for setgid(), I see only
    > task_setgid(), no task_post_setgid().
    > 
    > To my understanding, the rationale for providing task_post_setuid() holds
    > good for providing task_post_setgid(). What is the rationale for not having
    > the post hook for setgid() ?
    
    This is a result of converting the existing logic for preserving/dropping
    capabilities across setuid type calls.  The logic did not include any
    special casing for setgid calls.  So, this is straight port of the
    pre-LSM code.  Do you have a specific use of a post_setgid hook?
    
    thanks,
    -chris
    -- 
    Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net
    



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