Add scripts 99-mbgclock and installautonodecreate.sh

Submitted by Frank Kardel.

2 files changed, 137 insertions, 0 deletions

diff --git a/mbgclock/99-mbgclock b/mbgclock/99-mbgclock
new file mode 100755
index 0000000..044a6fd
--- /dev/null
+++ b/mbgclock/99-mbgclock
@@ -0,0 +1,103 @@
+#!/bin/sh
+#
+# create device nodes for mbgclock module
+#
+# will create new nodes with defaults below
+# will keep user, group mode if a character device node with the name already
+# exists but has the wrong major, minor numbers
+#
+# copyright 2017
+#
+RMNODE=:		# ignore deletions for now - to activate replace : with /bin/rm
+STAT=/usr/bin/stat
+EXPR=/bin/expr
+RM=/bin/rm
+LOGGER=/usr/bin/logger
+MKNOD=/sbin/mknod
+
+MBGSTATUS=:
+if type mbgstatus > /dev/null 2>&1; then
+	MBGSTATUS=mbgstatus		# possibly use
+fi
+
+logprio=daemon.info
+drvname=mbgclock
+defaultmode=0644
+defaultuser=root
+defaultgroup=wheel
+drvmajor=`$MKNOD -l $drvname | awk '{ print $NF; }'`
+script=${0##/}
+
+# functions
+
+drvmbgclock() {
+	_op=$1
+	_drv=$2
+        _f="/dev/$_drv"
+	_i=${2##$drvname}
+
+	case "$_op" in
+		device-attach)
+			# remove non character devices unconditionally
+			if [ -e "$_f" -a ! -c "$_f" ]; then
+				$RM -f "$_f"
+			fi
+			user=$defaultuser
+			group=$defaultgroup
+			mode=$defaultmode
+			if [ -c "$_f" ]; then
+				if eval `$STAT -s "$_f"` && eval `$STAT -f 'major=%Hr minor=%Lr' "$_f"`; then
+					user="$st_uid"
+					group="$st_gid"
+					mode=`$EXPR "$st_mode" : '.*\\(....\\)'`
+					if [ "$major" -eq "$drvmajor" -a "$minor" -eq "$_i" ]; then
+						$LOGGER -t $script -p $logprio "Node $_f has correct major $drvmajor and minor $_i"
+					else
+						$RM -f "$_f"
+					fi
+				fi
+			fi
+
+			if [ -c "$_f" ] || $MKNOD -u "$user" -g "$group" -m "$mode" "$_f" c "$drvmajor" "$_i"; then
+				$LOGGER -t $script -p $logprio "Node for $_drv: `ls -l $_f`"
+				if $MBGSTATUS "$_f" > /dev/null 2>&1; then
+					$LOGGER -t $script -p $logprio `$MBGSTATUS "$_f"`
+				fi
+			else
+				$LOGGER -t $script -p $logprio "Failed to create $_f: $?"
+				return 1
+			fi
+			return 0
+			;;
+		device-detach)
+			if $RMNODE -f "$_f" && [ ! -e "$_f" ]; then
+				$LOGGER -t $script -p $logprio "Node $_f removed"
+			fi
+			;;
+	esac
+}
+
+# script start
+
+if [ $# -lt 2 ]; then
+	echo "usage: $0 <op> <driver> [<driver>...]"
+	exit 1
+fi
+
+rc=0
+op=$1
+shift
+
+for drv
+do
+	case "$drv" in
+		"$drvname"[0-9]*)
+			drvmbgclock "$op" "$drv"
+			;;
+		*)
+			# logger -t $script -p $logprio "skipping $op device $drv"
+			;;
+	esac
+done
+
+exit $rc
diff --git a/mbgclock/installautonodecreate.sh b/mbgclock/installautonodecreate.sh
new file mode 100755
index 0000000..8431f51
--- /dev/null
+++ b/mbgclock/installautonodecreate.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+mpath=/stand/`uname -m`/`uname -r`/modules/mbgclock/mbgclock.kmod
+
+if [ ! -f "$mpath" ]; then
+	echo "mbgclock.kmod is not installed in $mpath - install mbgclock.kmod there"
+	exit 1
+fi
+
+if [ -d /libexec/devpubd-hooks ]; then
+	echo "Copying 99-mbgclock to /libexec/devpubd-hooks"
+
+	cp 99-mbgclock /libexec/devpubd-hooks
+
+	if egrep -q '^[	]*mbgclock[ 	]*$' /etc/modules.conf; then
+		echo "mbgclock module already present in /etc/modules.conf"
+	else
+		echo "Enable loading of mbgclock.kmod at boot in /etc/modules.conf"
+		echo mbgclock >> /etc/modules.conf
+	fi
+
+	if egrep -qi '^[ 	]*devpubd=yes' /etc/rc.conf; then
+		echo "devpubd is enabled - fine"
+	else if egrep -qi '^[        ]*devpubd=' /etc/rc.conf; then
+		echo "devpubd seems explicitly disabled"
+		echo "check /etc/rc.conf and enable devpubd for automatic device node creation"
+	     else
+		echo "enabling devpubd in /etc/rc.conf"
+		echo "devpubd=YES # enable for Meinberg mbgclock module on `date`" >> /etc/rc.conf
+	     fi
+        fi
+else
+	echo "devpubd does not seem to exist on this system"
+fi