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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /tools/hotplug/libusbscanner
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'tools/hotplug/libusbscanner')
-rwxr-xr-xtools/hotplug/libusbscanner35
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/hotplug/libusbscanner b/tools/hotplug/libusbscanner
new file mode 100755
index 0000000..bf613a5
--- /dev/null
+++ b/tools/hotplug/libusbscanner
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# This file is part of sane-backends.
+#
+# This script changes the permissions and ownership of a USB device under
+# /proc/bus/usb to grant access to this device to users in the scanner group.
+#
+# Ownership is set to root:scanner, permissions are set to 0660.
+#
+# Arguments :
+# -----------
+# ACTION=[add|remove]
+# DEVICE=/proc/bus/usb/BBB/DDD
+# TYPE=usb
+
+# latest hotplug doesn't set DEVICE on 2.6.x kernels
+if [ -z "$DEVICE" ] ; then
+ IF=`echo $DEVPATH | sed 's/\(bus\/usb\/devices\/\)\(.*\)-\(.*\)/\2/'`
+ DEV=$(cat /sys/${DEVPATH}/devnum)
+ DEVICE=`printf '/proc/bus/usb/%.03d/%.03d' $IF $DEV`
+fi
+
+if [ "$ACTION" = "add" -a "$TYPE" = "usb" ]; then
+ chown root:scanner "$DEVICE"
+ chmod 0660 "$DEVICE"
+fi
+
+
+# That's an insecure but simple alternative
+# Everyone has access to the scanner
+
+# if [ "$ACTION" = "add" -a "$TYPE" = "usb" ]; then
+# chmod 0666 "$DEVICE"
+# fi
+