summaryrefslogtreecommitdiff
path: root/package/base-files/files/etc/uci-defaults
diff options
context:
space:
mode:
authorcyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-01-15 13:07:51 +0000
committercyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-01-15 13:07:51 +0000
commita9e848f1b73ec05528ca7c01603a80ff87faad97 (patch)
tree11f6277374b2a6d34a02b63b610b1eb99d34e68f /package/base-files/files/etc/uci-defaults
parente148c1337f35333327bea4f6cdb4945e8236ab64 (diff)
base-files: add support for ipv6-prefixes in connection with netifd
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35168 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/base-files/files/etc/uci-defaults')
-rw-r--r--package/base-files/files/etc/uci-defaults/generate-ula18
1 files changed, 18 insertions, 0 deletions
diff --git a/package/base-files/files/etc/uci-defaults/generate-ula b/package/base-files/files/etc/uci-defaults/generate-ula
new file mode 100644
index 0000000000..f3e493145f
--- /dev/null
+++ b/package/base-files/files/etc/uci-defaults/generate-ula
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+[ "$(uci get network.globals.ula_prefix)" != "auto" ] && exit 0
+# Sometimes results are empty, therefore try until it works...
+local r1 r2 r3
+while [ -z "$r1" -o -z "$r2" -o -z "$r3" ]; do
+ r1=$(printf "%02x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 256)))
+ r2=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 65536)))
+ r3=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 65536)))
+done
+
+uci -q batch <<-EOF >/dev/null
+ set network.globals.ula_prefix=fd$r1:$r2:$r3::/48
+ commit network
+EOF
+
+exit 0
+