From bc37c2ad11d37fdd90dcf934c0c358f070919439 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Thu, 18 Apr 2013 15:36:53 +0200
Subject: [PATCH] fixmac: a udev rule to generate a random MAC address when
 needed for eth* devices

This replaces 'genmac' which only works when using 'ifupdown' as networkmanager.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
 recipes-bsp/fixmac/fixmac.bb           | 21 +++++++++++++++++++++
 recipes-bsp/fixmac/fixmac/fixmac.rules |  1 +
 recipes-bsp/fixmac/fixmac/fixmac.sh    | 10 ++++++++++
 recipes-bsp/fixmac/ranpwd_git.bb       | 24 ++++++++++++++++++++++++
 4 files changed, 56 insertions(+)
 create mode 100644 recipes-bsp/fixmac/fixmac.bb
 create mode 100644 recipes-bsp/fixmac/fixmac/fixmac.rules
 create mode 100755 recipes-bsp/fixmac/fixmac/fixmac.sh
 create mode 100644 recipes-bsp/fixmac/ranpwd_git.bb

diff --git a/recipes-bsp/fixmac/fixmac.bb b/recipes-bsp/fixmac/fixmac.bb
new file mode 100644
index 0000000..3b50c77
--- /dev/null
+++ b/recipes-bsp/fixmac/fixmac.bb
@@ -0,0 +1,21 @@
+SUMMARY = "Provide random MAC address for devices with 00:00:00:00:00 as MAC address"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"
+
+
+SRC_URI = "file://fixmac.sh \
+           file://fixmac.rules"
+
+
+do_install() {
+	install -d ${D}${sysconfdir}/udev/rules.d
+	install -m 0644  ${WORKDIR}/fixmac.rules ${D}${sysconfdir}/udev/rules.d
+
+	install -d ${D}${bindir}
+	install -m 0755 ${WORKDIR}/fixmac.sh ${D}${bindir}
+
+	sed -i -e s:/sbin:${base_sbindir}:g -e s:/etc:${sysconfdir}:g ${D}${bindir}/fixmac.sh
+
+}
+
+RDEPENDS_${PN} = "ranpwd"
diff --git a/recipes-bsp/fixmac/fixmac/fixmac.rules b/recipes-bsp/fixmac/fixmac/fixmac.rules
new file mode 100644
index 0000000..740361b
--- /dev/null
+++ b/recipes-bsp/fixmac/fixmac/fixmac.rules
@@ -0,0 +1 @@
+KERNEL=="eth*", ACTION=="add", ATTR{address}=="00:00:00:00:00:00", RUN += "/usr/bin/fixmac.sh %k"
diff --git a/recipes-bsp/fixmac/fixmac/fixmac.sh b/recipes-bsp/fixmac/fixmac/fixmac.sh
new file mode 100755
index 0000000..9646808
--- /dev/null
+++ b/recipes-bsp/fixmac/fixmac/fixmac.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+if [ -e /etc/ethernetmac.$1 ] ; then
+	MACADDRESS="$(cat /etc/ethernetmac.$1)"
+else
+	MACADDRESS="$(ranpwd -m)"
+	echo ${MACADDRESS} > /etc/ethernetmac.$1
+fi
+
+/sbin/ifconfig $1 hw ether ${MACADDRESS} && /sbin/ifconfig $1 up
diff --git a/recipes-bsp/fixmac/ranpwd_git.bb b/recipes-bsp/fixmac/ranpwd_git.bb
new file mode 100644
index 0000000..b4e0f54
--- /dev/null
+++ b/recipes-bsp/fixmac/ranpwd_git.bb
@@ -0,0 +1,24 @@
+DESCRIPTION = "Random password generator"
+LICENSE = "GPLv2+"
+LIC_FILES_CHKSUM = "file://ranpwd.c;beginline=1;endline=11;md5=0e8585e19117526efedfaeb50c345d7a"
+SECTION = "console/utils"
+PV = "1.2+git${SRCPV}"
+PR = "r0"
+
+inherit autotools
+
+SRC_URI = "git://git.zytor.com/utils/ranpwd.git"
+SRCREV = "b62aab579e288715b82d5575befaa2b8ff210c2b"
+
+S="${WORKDIR}/git"
+
+do_configure_prepend () {
+	if [ ! -e acinclude.m4 -a -e aclocal.m4 ]; then
+		cp aclocal.m4 acinclude.m4
+	fi
+}
+
+do_install() {
+	install -d ${D}/${bindir}
+	install -m 0755 ${S}/ranpwd ${D}/${bindir}/ranpwd
+}