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| author | Steven Barth <steven@midlink.org> | 2013-01-17 16:16:02 +0000 |
|---|---|---|
| committer | Steven Barth <steven@midlink.org> | 2013-01-17 16:16:02 +0000 |
| commit | 15eb7e1cb665ad1e9a07265cbd6084d625e772c5 (patch) | |
| tree | 753084bb2f1577bae7e2c21a58f667f9fe2fc358 /package/base-files/files/etc/uci-defaults/network-generate-ula | |
| parent | ad5b8fca450a14b60b1b9c2cd66d533b2a584063 (diff) | |
| download | master-187ad058-15eb7e1cb665ad1e9a07265cbd6084d625e772c5.tar.gz master-187ad058-15eb7e1cb665ad1e9a07265cbd6084d625e772c5.tar.bz2 master-187ad058-15eb7e1cb665ad1e9a07265cbd6084d625e772c5.zip | |
base-files: rename ULA generation script
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35204 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/base-files/files/etc/uci-defaults/network-generate-ula')
| -rw-r--r-- | package/base-files/files/etc/uci-defaults/network-generate-ula | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/package/base-files/files/etc/uci-defaults/network-generate-ula b/package/base-files/files/etc/uci-defaults/network-generate-ula new file mode 100644 index 0000000000..f3e493145f --- /dev/null +++ b/package/base-files/files/etc/uci-defaults/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 + |