From b70bc93479ec7091a38fde4bf18dbaf7541ff80c Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Tue, 13 Jan 2015 19:02:32 +0000
Subject: [PATCH] map: backport fixes from trunk

Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 43962
---
 package/network/ipv6/map/Makefile      | 7 ++++---
 package/network/ipv6/map/files/map.sh  | 3 +++
 package/network/ipv6/map/src/mapcalc.c | 6 ++++--
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/package/network/ipv6/map/Makefile b/package/network/ipv6/map/Makefile
index 3e010493a8..ed358defac 100644
--- a/package/network/ipv6/map/Makefile
+++ b/package/network/ipv6/map/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014 OpenWrt.org
+# Copyright (C) 2014-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,8 +8,9 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=map
-PKG_VERSION:=2
-PKG_RELEASE:=1
+PKG_VERSION:=3
+PKG_RELEASE:=2
+PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/cmake.mk
diff --git a/package/network/ipv6/map/files/map.sh b/package/network/ipv6/map/files/map.sh
index 83de4cc4dc..945accdebd 100755
--- a/package/network/ipv6/map/files/map.sh
+++ b/package/network/ipv6/map/files/map.sh
@@ -52,6 +52,7 @@ proto_map_setup() {
 		fi
 	fi
 
+	echo "rule=$rule" > /tmp/map-$cfg.rules
 	RULE_DATA=$(mapcalc ${tunlink:-\*} $rule)
 	if [ "$?" != 0 ]; then
 		proto_notify_error "$cfg" "INVALID_MAP_RULE"
@@ -59,6 +60,7 @@ proto_map_setup() {
 		return
 	fi
 
+	echo "$RULE_DATA" >> /tmp/map-$cfg.rules
 	eval $RULE_DATA
 	
 	if [ -z "$RULE_BMR" ]; then
@@ -188,6 +190,7 @@ proto_map_setup() {
 proto_map_teardown() {
 	local cfg="$1"
 	ifdown "${cfg}_local"
+	rm -f /tmp/map-$cfg.rules
 }
 
 proto_map_init_config() {
diff --git a/package/network/ipv6/map/src/mapcalc.c b/package/network/ipv6/map/src/mapcalc.c
index afce6d24d7..b4b3d736f0 100644
--- a/package/network/ipv6/map/src/mapcalc.c
+++ b/package/network/ipv6/map/src/mapcalc.c
@@ -2,7 +2,7 @@
  * mapcalc - MAP parameter calculation
  *
  * Author: Steven Barth <cyrus@openwrt.org>
- * Copyright (c) 2014 cisco Systems, Inc.
+ * Copyright (c) 2014-2015 cisco Systems, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2
@@ -271,8 +271,10 @@ int main(int argc, char *argv[])
 		if (ealen < 0 && pdlen >= 0)
 			ealen = pdlen - prefix6len;
 
-		if (psidlen < 0)
+		if (psidlen <= 0) {
 			psidlen = ealen - (32 - prefix4len);
+			psid = -1;
+		}
 
 		if (psid < 0 && psidlen <= 16 && psidlen >= 0 && pdlen >= 0 && ealen >= psidlen) {
 			bmemcpys64(&psid16, &pd, prefix6len + ealen - psidlen, psidlen);
-- 
2.30.2