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Date:      Thu, 19 Apr 2018 10:16:39 +0000 (UTC)
From:      "Andrey V. Elsukov" <ae@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r332768 - stable/11/sys/netpfil/ipfw/nat64
Message-ID:  <201804191016.w3JAGdWF003332@repo.freebsd.org>

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Author: ae
Date: Thu Apr 19 10:16:39 2018
New Revision: 332768
URL: https://svnweb.freebsd.org/changeset/base/332768

Log:
  MFC r332459:
    Fix integer types mismatch for flags field in nat64stl_cfg structure.
  
    Also preserve internal flags on NAT64STL reconfiguration.

Modified:
  stable/11/sys/netpfil/ipfw/nat64/nat64stl.h
  stable/11/sys/netpfil/ipfw/nat64/nat64stl_control.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/netpfil/ipfw/nat64/nat64stl.h
==============================================================================
--- stable/11/sys/netpfil/ipfw/nat64/nat64stl.h	Thu Apr 19 10:15:11 2018	(r332767)
+++ stable/11/sys/netpfil/ipfw/nat64/nat64stl.h	Thu Apr 19 10:16:39 2018	(r332768)
@@ -38,7 +38,7 @@ struct nat64stl_cfg {
 
 	struct in6_addr		prefix6;/* IPv6 prefix */
 	uint8_t			plen6;	/* prefix length */
-	uint8_t			flags;	/* flags for internal use */
+	uint32_t		flags;	/* flags for internal use */
 #define	NAT64STL_KIDX		0x0100
 #define	NAT64STL_46T		0x0200
 #define	NAT64STL_64T		0x0400

Modified: stable/11/sys/netpfil/ipfw/nat64/nat64stl_control.c
==============================================================================
--- stable/11/sys/netpfil/ipfw/nat64/nat64stl_control.c	Thu Apr 19 10:15:11 2018	(r332767)
+++ stable/11/sys/netpfil/ipfw/nat64/nat64stl_control.c	Thu Apr 19 10:16:39 2018	(r332768)
@@ -289,8 +289,8 @@ nat64stl_config(struct ip_fw_chain *ch, ip_fw3_opheade
 	 * For now allow to change only following values:
 	 *  flags.
 	 */
-
-	cfg->flags = uc->flags & NAT64STL_FLAGSMASK;
+	cfg->flags &= ~NAT64STL_FLAGSMASK;
+	cfg->flags |= uc->flags & NAT64STL_FLAGSMASK;
 	IPFW_UH_WUNLOCK(ch);
 	return (0);
 }



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