From fcc389acdfe7c68150b369958f3a096bb3bc66c5 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Thu, 6 Jun 2013 09:53:19 +0000
Subject: AA: backport r36865

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@36866 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/ipv6-support/files/network-enable-ipv6.defaults | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

(limited to 'package')

diff --git a/package/ipv6-support/files/network-enable-ipv6.defaults b/package/ipv6-support/files/network-enable-ipv6.defaults
index 563d077659..b21bb13c7d 100755
--- a/package/ipv6-support/files/network-enable-ipv6.defaults
+++ b/package/ipv6-support/files/network-enable-ipv6.defaults
@@ -3,13 +3,9 @@
 # Don't override existing settings
 uci -q get network.globals && exit 0
 
-# Sometimes results are empty, therefore try until it works...          
-local r1 r2 r3
-while [ -z "$r1" -o -z "$r2" -o -z "$r3" ]; do
-	r1=$(printf "%02x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1 2>/dev/null) % 256)))
-	r2=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1 2>/dev/null) % 65536)))
-	r3=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1 2>/dev/null) % 65536)))
-done
+r1=$(dd if=/dev/urandom bs=1 count=1 |hexdump -e '1/1 "%02x"')
+r2=$(dd if=/dev/urandom bs=2 count=1 |hexdump -e '2/1 "%02x"')
+r3=$(dd if=/dev/urandom bs=2 count=1 |hexdump -e '2/1 "%02x"')
 
 uci -q batch <<-EOF >/dev/null
 	set network.globals=globals
-- 
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