diff options
| author | jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-18 12:46:43 +0000 |
|---|---|---|
| committer | jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-18 12:46:43 +0000 |
| commit | 5dade080429f461b8f02a8effb835cd309c1d50b (patch) | |
| tree | b2d6a1f6c5889298d56859ab4b672d5306352eb5 /package/base-files/files/etc/uci-defaults/12_network-generate-ula | |
| parent | 560c530e279fb8ed2a4a23ba371a83870aacb71a (diff) | |
base-files: use numerically prefixed uci-defaults names
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35218 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/base-files/files/etc/uci-defaults/12_network-generate-ula')
| -rw-r--r-- | package/base-files/files/etc/uci-defaults/12_network-generate-ula | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/package/base-files/files/etc/uci-defaults/12_network-generate-ula b/package/base-files/files/etc/uci-defaults/12_network-generate-ula new file mode 100644 index 000000000..f3e493145 --- /dev/null +++ b/package/base-files/files/etc/uci-defaults/12_network-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 + |