85e0975519
kernel access control. Instrument UFS to support per-inode MAC labels. In particular, invoke MAC framework entry points for generically supporting the backing of MAC labels into extended attributes. This ends up introducing new vnode operation vector entries point at the MAC framework entry points, as well as some explicit entry point invocations for file and directory creation events so that the MAC framework can push labels to disk before the directory names become persistent (this will work better once EAs in UFS2 are hooked into soft updates). The generic EA MAC entry points support executing with the file system in either single label or multilabel operation, and will fall back to the mount label if multilabel is not specified at mount-time. Obtained from: TrustedBSD Project Sponsored by: DARPA, NAI Labs |
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