svn commit: r289250 - stable/9/etc/rc.d

Bryan Drewery bdrewery at FreeBSD.org
Tue Oct 13 18:47:07 UTC 2015


Author: bdrewery
Date: Tue Oct 13 18:47:05 2015
New Revision: 289250
URL: https://svnweb.freebsd.org/changeset/base/289250

Log:
  MFC r288390:
  
    When stopping ugidfw, it is not enough to just try unloading the module.  If
    the module is built-in to the kernel then the kldunload will fail.  Rather
    than do this just check if there are rules and then remove them all.
  
  Relnotes:	yes

Modified:
  stable/9/etc/rc.d/ugidfw
Directory Properties:
  stable/9/etc/   (props changed)
  stable/9/etc/rc.d/   (props changed)

Modified: stable/9/etc/rc.d/ugidfw
==============================================================================
--- stable/9/etc/rc.d/ugidfw	Tue Oct 13 18:46:11 2015	(r289249)
+++ stable/9/etc/rc.d/ugidfw	Tue Oct 13 18:47:05 2015	(r289250)
@@ -3,6 +3,7 @@
 # $FreeBSD$
 
 # PROVIDE: ugidfw
+# REQUIRE: FILESYSTEMS
 # BEFORE: LOGIN
 # KEYWORD: nojail shutdown
 
@@ -33,9 +34,17 @@ ugidfw_start()
 
 ugidfw_stop()
 {
+	local rulecount
+
 	# Disable the policy
 	#
-	kldunload mac_bsdextended
+	# Check for the existence of rules and flush them if needed.
+	rulecount=$(sysctl -in security.mac.bsdextended.rule_count)
+	if [ ${rulecount:-0} -gt 0 ]; then
+		ugidfw list | sed -n '2,$p' | cut -d ' ' -f 1 | sort -r -n |
+		    xargs -n 1 ugidfw remove
+		echo "MAC bsdextended rules flushed."
+	fi
 }
 
 load_rc_config $name


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