meta-digi: mount boot partitions read-only

https://jira.digi.com/browse/DEL-949

Signed-off-by: Javier Viguera <javier.viguera@digi.com>

meta-digi-arm/recipes-core/udev/udev-extraconf/automount.rules

@@ -0,0 +1,22 @@
+# There are a number of modifiers that are allowed to be used in some
+# of the different fields. They provide the following subsitutions:
+#
+# %n the "kernel number" of the device.
+#    For example, 'sda3' has a "kernel number" of '3'
+# %e the smallest number for that name which does not matches an existing node
+# %k the kernel name for the device
+# %M the kernel major number for the device
+# %m the kernel minor number for the device
+# %b the bus id for the device
+# %c the string returned by the PROGRAM
+# %s{filename} the content of a sysfs attribute
+# %% the '%' char itself
+#
+
+# Boot partitions
+SUBSYSTEM=="block", ENV{ID_PART_ENTRY_NAME}=="kernels?", ACTION=="add", RUN+="/etc/udev/scripts/mount_bootparts.sh", GOTO="automount_rules_end"
+
+# Media automounting
+SUBSYSTEM=="block", ACTION=="add"    RUN+="/etc/udev/scripts/mount.sh"
+SUBSYSTEM=="block", ACTION=="remove" RUN+="/etc/udev/scripts/mount.sh"
+LABEL="automount_rules_end"

meta-digi-arm/recipes-core/udev/udev-extraconf/mount_bootparts.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+#===============================================================================
+#
+#  mount_bootparts.sh
+#
+#  Copyright (C) 2014 by Digi International Inc.
+#  All rights reserved.
+#
+#  This program is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License version 2 as published by
+#  the Free Software Foundation.
+#
+#  !Description: Attempt to mount boot partitions read-only (called from udev)
+#
+#===============================================================================
+
+MOUNT="/bin/mount"
+
+# Use 'silent' if util-linux's mount (busybox's does not support that option)
+[ "$(readlink ${MOUNT})" = "/bin/mount.util-linux" ] && MOUNT="${MOUNT} -o silent"
+
+MOUNTPOINT="/mnt/${ID_PART_ENTRY_NAME}"
+mkdir -p ${MOUNTPOINT}
+if ! ${MOUNT} -t auto -r ${DEVNAME} ${MOUNTPOINT}; then
+	logger -t udev "mount_bootparts.sh: mount ${DEVNAME} under ${MOUNTPOINT} failed!"
+	rmdir --ignore-fail-on-non-empty ${MOUNTPOINT}
+fi

meta-digi-arm/recipes-core/udev/udev-extraconf_1.0.bbappend

@@ -4,3 +4,9 @@ PRINC := "${@int(PRINC) + 1}"
 PR_append = "+${DISTRO}"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+
+SRC_URI += "file://mount_bootparts.sh"
+
+do_install_append() {
+	install -m 0755 ${WORKDIR}/mount_bootparts.sh ${D}${sysconfdir}/udev/scripts/
+}

meta-digi-dey/recipes-core/busybox/busybox-1.21.1/defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Busybox version: 1.21.1
-# Fri Feb 14 15:39:27 2014
+# Tue Mar  4 10:56:29 2014
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -580,7 +580,7 @@ CONFIG_MOUNT=y
 CONFIG_FEATURE_MOUNT_FAKE=y
 CONFIG_FEATURE_MOUNT_VERBOSE=y
 CONFIG_FEATURE_MOUNT_HELPERS=y
-# CONFIG_FEATURE_MOUNT_LABEL is not set
+CONFIG_FEATURE_MOUNT_LABEL=y
 CONFIG_FEATURE_MOUNT_NFS=y
 CONFIG_FEATURE_MOUNT_CIFS=y
 CONFIG_FEATURE_MOUNT_FLAGS=y