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-rw-r--r--meta/recipes-core/udev/udev-extraconf/mount.sh91
1 files changed, 91 insertions, 0 deletions
diff --git a/meta/recipes-core/udev/udev-extraconf/mount.sh b/meta/recipes-core/udev/udev-extraconf/mount.sh
new file mode 100644
index 0000000..cb57e47
--- /dev/null
+++ b/meta/recipes-core/udev/udev-extraconf/mount.sh
@@ -0,0 +1,91 @@
1#!/bin/sh
2#
3# Called from udev
4#
5# Attempt to mount any added block devices and umount any removed devices
6
7
8MOUNT="/bin/mount"
9PMOUNT="/usr/bin/pmount"
10UMOUNT="/bin/umount"
11for line in `grep -v ^# /etc/udev/mount.blacklist`
12do
13 if [ ` expr match "$DEVNAME" "$line" ` -gt 0 ];
14 then
15 logger "udev/mount.sh" "[$DEVNAME] is blacklisted, ignoring"
16 exit 0
17 fi
18done
19
20automount() {
21 name="`basename "$DEVNAME"`"
22
23 ! test -d "/media/$name" && mkdir -p "/media/$name"
24 # Silent util-linux's version of mounting auto
25 if [ "x`readlink $MOUNT`" = "x/bin/mount.util-linux" ] ;
26 then
27 MOUNT="$MOUNT -o silent"
28 fi
29
30 # If filesystem type is vfat, change the ownership group to 'disk', and
31 # grant it with w/r/x permissions.
32 case $ID_FS_TYPE in
33 vfat|fat)
34 MOUNT="$MOUNT -o umask=007,gid=`awk -F':' '/^disk/{print $3}' /etc/group`"
35 ;;
36 # TODO
37 *)
38 ;;
39 esac
40
41 if ! $MOUNT -t auto $DEVNAME "/media/$name"
42 then
43 #logger "mount.sh/automount" "$MOUNT -t auto $DEVNAME \"/media/$name\" failed!"
44 rm_dir "/media/$name"
45 else
46 logger "mount.sh/automount" "Auto-mount of [/media/$name] successful"
47 touch "/tmp/.automount-$name"
48 fi
49}
50
51rm_dir() {
52 # We do not want to rm -r populated directories
53 if test "`find "$1" | wc -l | tr -d " "`" -lt 2 -a -d "$1"
54 then
55 ! test -z "$1" && rm -r "$1"
56 else
57 logger "mount.sh/automount" "Not removing non-empty directory [$1]"
58 fi
59}
60
61# No ID_FS_TYPE for cdrom device, yet it should be mounted
62name="`basename "$DEVNAME"`"
63[ -e /sys/block/$name/device/media ] && media_type=`cat /sys/block/$name/device/media`
64
65if [ "$ACTION" = "add" ] && [ -n "$DEVNAME" ] && [ -n "$ID_FS_TYPE" -o "$media_type" = "cdrom" ]; then
66 if [ -x "$PMOUNT" ]; then
67 $PMOUNT $DEVNAME 2> /dev/null
68 elif [ -x $MOUNT ]; then
69 $MOUNT $DEVNAME 2> /dev/null
70 fi
71
72 # If the device isn't mounted at this point, it isn't
73 # configured in fstab (note the root filesystem can show up as
74 # /dev/root in /proc/mounts, so check the device number too)
75 if expr $MAJOR "*" 256 + $MINOR != `stat -c %d /`; then
76 grep -q "^$DEVNAME " /proc/mounts || automount
77 fi
78fi
79
80
81
82if [ "$ACTION" = "remove" ] && [ -x "$UMOUNT" ] && [ -n "$DEVNAME" ]; then
83 for mnt in `cat /proc/mounts | grep "$DEVNAME" | cut -f 2 -d " " `
84 do
85 $UMOUNT $mnt
86 done
87
88 # Remove empty directories from auto-mounter
89 name="`basename "$DEVNAME"`"
90 test -e "/tmp/.automount-$name" && rm_dir "/media/$name"
91fi