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From: Robert Watson <rwatson@FreeBSD.org>
Date: Tue, 5 Nov 2002 06:57:49 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern kern_exec.c
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rwatson     2002/11/05 06:57:49 PST

  Modified files:
    sys/kern             kern_exec.c 
  Log:
  Hook up the mac_will_execve_transition() and mac_execve_transition()
  entrypoints, #ifdef MAC.  The supporting logic already existed in
  kern_mac.c, so no change there.  This permits MAC policies to cause
  a process label change as the result of executing a binary --
  typically, as a result of executing a specially labeled binary.
  
  For example, the SEBSD port of SELinux/FLASK uses this functionality
  to implement TE type transitions on processes using transitioning
  binaries, in a manner similar to setuid.  Policies not implementing
  a notion of transition (all the ones in the tree right now) require
  no changes, since the old label data is copied to the new label
  via mac_create_cred() even if a transition does occur.
  
  Obtained from:  TrustedBSD Project
  Sponsored by:   DARPA, Network Associates Laboratories
  
  Revision  Changes    Path
  1.195     +15 -0     src/sys/kern/kern_exec.c

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