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-rw-r--r--package/base-files/files/etc/uci-defaults/10_migrate-shadow (renamed from package/base-files/files/etc/uci-defaults/migrate-shadow)0
-rw-r--r--package/base-files/files/etc/uci-defaults/11_migrate-sysctl (renamed from package/base-files/files/etc/uci-defaults/migrate-sysctl)0
-rw-r--r--package/base-files/files/etc/uci-defaults/12_network-generate-ula18
3 files changed, 18 insertions, 0 deletions
diff --git a/package/base-files/files/etc/uci-defaults/migrate-shadow b/package/base-files/files/etc/uci-defaults/10_migrate-shadow
index b7ea5718c..b7ea5718c 100644
--- a/package/base-files/files/etc/uci-defaults/migrate-shadow
+++ b/package/base-files/files/etc/uci-defaults/10_migrate-shadow
diff --git a/package/base-files/files/etc/uci-defaults/migrate-sysctl b/package/base-files/files/etc/uci-defaults/11_migrate-sysctl
index b3796a4d2..b3796a4d2 100644
--- a/package/base-files/files/etc/uci-defaults/migrate-sysctl
+++ b/package/base-files/files/etc/uci-defaults/11_migrate-sysctl
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
+