9c993b44d0
"administrative" authorization checks. In most cases, the VADMIN test checks to make sure the credential effective uid is the same as the file owner. o Modify vaccess() to set VADMIN as an available right if the uid is appropriate. o Modify references to uid-based access control operations such that they now always invoke VOP_ACCESS() instead of using hard-coded policy checks. o This allows alternative UFS policies to be implemented by replacing only ufs_access() (such as mandatory system policies). o VOP_ACCESS() requires the caller to hold an exclusive vnode lock on the vnode: I believe that new invocations of VOP_ACCESS() are always called with the lock held. o Some direct checks of the uid remain, largely associated with the QUOTA and SUIDDIR code. Reviewed by: eivind Obtained from: TrustedBSD Project |
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