From d4e4ff64cbf6c69f0502a82ee11a57263c7907c9 Mon Sep 17 00:00:00 2001
From: "Kai Sven Engelbart (PEA4-Fe)" <kaisven.engelbart@de.bosch.com>
Date: Fri, 5 Mar 2021 11:11:02 +0100
Subject: [PATCH] Add usb-detect script and udev rule

---
 usb-detect/10-usb-detect.rules |  1 +
 usb-detect/usb-detect.sh       | 55 ++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 usb-detect/10-usb-detect.rules
 create mode 100755 usb-detect/usb-detect.sh

diff --git a/usb-detect/10-usb-detect.rules b/usb-detect/10-usb-detect.rules
new file mode 100644
index 0000000..98c55a8
--- /dev/null
+++ b/usb-detect/10-usb-detect.rules
@@ -0,0 +1 @@
+ACTION=="add", KERNEL=="sd[b-z]1", SUBSYSTEM=="block", RUN+="/home/kske/usb.sh"
diff --git a/usb-detect/usb-detect.sh b/usb-detect/usb-detect.sh
new file mode 100755
index 0000000..bd5c921
--- /dev/null
+++ b/usb-detect/usb-detect.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# udev script for mounting a block device
+# and processing the files it contains
+
+# To use it, place 10-usb-detect.rules
+# in /etc/udev/rules.d
+
+# Redirect stdout and stderr to log file
+LOGFILE=/var/log/usb-detect.log
+exec &>> $LOGFILE
+
+# Processing function (file name is passed as parameter)
+PROCESS_FUNC=cat
+
+echo "USB device detected at $DEVNAME"
+
+MOUNTPOINT=/mnt$DEVNAME
+
+echo "Mounting device at $MOUNTPOINT"
+
+mkdir -p $MOUNTPOINT
+mount $DEVNAME $MOUNTPOINT
+
+echo "Extracting data..."
+
+shopt -s nullglob
+found=0
+for f in $MOUNTPOINT/*.[0-9]
+do
+	found=1
+	echo "Processing $f..."
+	$PROCESS_FUNC $f
+	echo "Removing $f..."
+	rm $f
+done
+shopt -u nullglob
+
+[ $found -eq 0 ] && echo "$MOUNTPOINT is empty"
+
+echo "Umounting..."
+umount $MOUNTPOINT
+
+echo "Removing $MOUNTPOINT..."
+rm -r $MOUNTPOINT
+
+if [ -z `ls -A /mnt/dev` ]
+then
+	echo "Removing /mnt/dev/..."
+	rmdir /mnt/dev
+else
+	echo "Not removing /mnt/dev/ as other devices are mounted."
+fi
+
+echo "Done!"