2007-08-07 04:48:40

�� /Alt Linux / Sisyphus / admin / Ivman Automount / subfs �� 2007-08-07 04:48:40 � 2007-09-01 01:59:47

��:

�� altlinux.org. �� freesource.info ��.

�� ivman. �� ivman�, �� xml-�� /etc/ivman-mount-subfs. �� – �� /��, �� (�� Ivman), � �� . ��, �� ivman� � �� , �� init-�� /etc/rc.d/init.d/ivman-mount-subfs.
�� , ivman �� ivman. �� /��, �� SUID, �� sudo. �� ivman �� . �� – � �� /etc/sudo.d/ivman-mount-subfs �� ivman �� .
�� /�� ivman'� Ivm Config Base?.xml:
<ivm:Option name="mountcommand" value="/usr/bin/sudo /usr/bin/mount-device-subfs '$hal.info.udi$'" />
<ivm:Option name="umountcommand" value="/usr/bin/sudo /usr/bin/umount-device-subfs '$hal.block.device$'" />
�� , �� 95-ivman-mount-subfs-storage-policy.fdi, �� hal-fstab-sync. �� :

��

�� (�� RPM, src.rpm). �� , �� /etc/sysconfig/subfs_mount_options � �� . �� ivman� (�� ):
# service ivman stop
# chkconfig ivman off
# killall ivman
(�� – �� ivman'a, �� . �� ).
�� :
# chkconfig ivman-mount-subfs on
# service ivman-mount-subfs start
�� ivman�, �� /�� sudoers.

��

� �� USB-HDD � �� . � �� ivman'�� , �� , �� «�� »: � �� mount �� , ��, �� umount �� ��, �� . �� ivman �� :

��:

/usr/local/bin/mount-device-subfs:
#!/bin/bash
[ -f /etc/sysconfig/subfs_mount_options ] && . /etc/sysconfig/subfs_mount_options
OBLIGATORY_MOUNT_OPTIONS="nodev,nosuid,noexec,noatime"
#LOCK_FILE="/var/lock/subfsmounter.lock"
#HAL_UDI=`hal-find-by-property --key block.device --string "$DEVICE" | head -1`
HAL_UDI="$1"
logger «Running as $0 $1»
if [ "$HAL_UDI" = ] ; then exit 1 ; fi
#function exit_handler() {
# trap - EXIT
# [ -f "$LOCK_FILE" ] && rm -f $LOCK_FILE
#}
function ask_hal() {
[ -n "$1" ] && {
hal-get-property --key "$1" --udi "$HAL_UDI" 2>/dev/null
}
}
function get_hal_label {
CUR_UDI=$1
LABEL=

COUNTER=0;
while [ -z "$LABEL" -a $COUNTER -lt 4 ]; do

LABEL=`ask_hal volume.label`
if [ -z "$LABEL" ]; then

LABEL=`ask_hal storage.serial`

fi
CUR_UDI=`ask_hal info.parent`
let COUNTER=COUNTER+1

done
if [ -z "$LABEL" ]; then

LABEL=${DEVICE##/dev/}

}
function get_mount_point {

DESIRED_MOUNT_POINT=`ask_hal volume.policy.desired_mount_point`
[ -z "$DESIRED_MOUNT_POINT" ] && DESIRED_MOUNT_POINT=$LABEL
while [ -e «/media/$DESIRED_MOUNT_POINT» ]; do

tail_mp=${DESIRED_MOUNT_POINT##*_}
echo "$tail_mp" | grep -qvE "[^[:digit:]]" && \

DESIRED_MOUNT_POINT="${DESIRED_MOUNT_POINT%_*}_$+ 1" || \ DESIRED_MOUNT_POINT="${DESIRED_MOUNT_POINT}_1" done } if [ -z "$HAL_UDI" ]; then # can't find device in hal db logger "hald didn't know about $DEVICE" # WTF? LABEL=${DEVICE##/dev/} FS_TYPE="auto" DESIRED_MOUNT_POINT="$LABEL" else # device found in hal db. is_ignore=`ask_hal volume.ignore` [ "$is_ignore" == "true" ] && { logger "Device "$HAL_UDI" is ignored, will not be mounted." exit 1 } is_mounted=`ask_hal volume.is_mounted` [ "$is_mounted" == "true" ] && { logger "Device "$HAL_UDI" already mounted." exit 1 } DEVICE=`ask_hal block.device` [ -z "$DEVICE" ] && { logger "Can't recognize block device for "$HAL_UDI", abort mounting." exit 1 } FS_TYPE=`ask_hal volume.fstype` [ -z "$FS_TYPE" ] && { logger "${DEVICE}: No FS found. Skip mounting." exit 1 } get_hal_label get_mount_point CONFIG_MOUNT_OPTIONS=${!FS_TYPE} fi logger "Mounting HAL_UDI $HAL_UDI as $DEVICE to $DESIRED_MOUNT_POINT (label=${LABEL}, fs=${FS_TYPE}, options:${CONFIG_MOUNT_OPTIONS})" SYNC_OPT=
[ -n "$CONFIG_MOUNT_OPTIONS" ] && CONFIG_MOUNT_OPTIONS=",$CONFIG_MOUNT_OPTIONS"
#for counter in 1 2 3 4 5 6 7 8 9 10; do
# [ -f $LOCK_FILE ] || break
# logger "$$ wait..."
# sleep 1
#done
#[ -f $LOCK_FILE ] && {
# logger "Endlessly mount locking, quit."
# exit 1
#}
#trap exit_handler HUP PIPE INT QUIT TERM EXIT
#touch $LOCK_FILE
#sleep "1.${RANDOM}s"
MOUNTPOINT="/media/${DESIRED_MOUNT_POINT}"
mkdir -p "$MOUNTPOINT" || {
logger "Error creating mount point"
exit 1
}
echo "$DESIRED_MOUNT_POINT" |md5sum |cut -f1 -d' ' > $MOUNTPOINT/.auto_managed_mount_point
mount -t subfs "$DEVICE" "$MOUNTPOINT" -o fs=${FS_TYPE},${OBLIGATORY_MOUNT_OPTIONS}${CONFIG_MOUNT_OPTIONS} || {
logger "Mounting failure";
exit 1
}
logger "Success."
�� (�� ;) �� . �� , �� . �� "�� " (((#doublemount ��. ��))) �� , � �� .
##/usr/local/bin/umount-device-subfs##:
#! /bin/bash
logger "$0 $1"
POINT_FOR_UMOUNT=$1
if [ "$POINT_FOR_UMOUNT" = ] ; then exit 1 ; fi do_umount() { logger "Trying to umount $1" MOUNT_POINT="$1" [ -d "$MOUNT_POINT" ] || {

logger «Mount point $MOUNT_POINT not found»
return

}
if umount "$MOUNT_POINT"; then

[ -e "$MOUNT_POINT/.auto_managed_mount_point" ] && rm -rf "$MOUNT_POINT" || { #Double mounting? count=1 while umount "$MOUNT_POINT" && [ $count -lt 10 ] ; do logger "Dublicate!"; count=$(($count + 1)); done [ -e "$MOUNT_POINT/.auto_managed_mount_point" ] && rm -rf "$MOUNT_POINT" } logger "Successfully umounted $MOUNT_POINT" else logger "Umount fault! Mount point will not be removed." fi } [ "`expr substr $POINT_FOR_UMOUNT 1 1`" == "/" ] || POINT_FOR_UMOUNT="`pwd`/$POINT_FOR_UMOUNT"

MOUNT_POINT_TYPE=`echo $POINT_FOR_UMOUNT |cut -f2 -d /`
case "$MOUNT_POINT_TYPE" in

media)

do_umount "$POINT_FOR_UMOUNT"
;;

dev)

mount | grep "^$POINT_FOR_UMOUNT " |while read MOUNT_LINE; do

do_umount "`echo $MOUNT_LINE |cut -f 3 -d' '`"

done

;;

org)

do_umount "`hal-get-property --key volume.mount_point --udi $POINT_FOR_UMOUNT`"
;;

)

logger «Unknown mount point type ($POINT_FOR_UMOUNT)"
;;

esac
�� , ivman �� ivman. �� /��, �� SUID, �� sudo. �� ivman �� . �� . {{anchor name="sudoers"}}�� visudo � �� ivman �� :
Cmnd_Alias IVMAN_COMMANDS = /usr/local/bin/mount-device-subfs, /usr/local/bin/umount-device-subfs
ivman ALL = NOPASSWD: IVMAN_COMMANDS
��, �� /�� ivman'� /etc/ivman/IvmConfigBase.xml:
<ivm:Option name="mountcommand" value="sudo /usr/local/bin/mount-device-subfs '$hal.info.udi$'" />
<ivm:Option name="umountcommand" value="sudo /usr/local/bin/umount-device-subfs '$hal.block.device$'" />
�� , �� 10-fstab-sync-storage-policy.fdi �� hal-fstab-sync. �� :
�� /etc/hal/fdi/policy/.

�� ivman'�

�� ivman �� , �� (�� ), � �� (��, ��, � �� ). ��, �� , �� ivman'�. �� /etc/sudoers ��, �� , �� /��, �� . �� ~/.ivman/IvmConfigBase.xml �� . �� .
{{anchor name="doublemount"}}��: �� . � �� USB-HDD � �� . � �� ivman'�� , �� , �� «�� »: � �� mount �� , ��, �� umount �� ��, �� . �� ivman �� :

�� -��-��

��, �� ivman �� , � �� (�� ).

�� mount-device-subfs � umount-device-subfs � /usr/local/bin/;
�� 10-fstab-sync-storage-policy.fdi �� hal-fstab-sync � /etc/hal/fdi/policy/;
�� /etc/sysconfig/subfs_mount_options � �� ;
�� visudo � �� ivman � �� ;
�� /etc/ivman/IvmConfigBase.xml � �� ~/.ivman/IvmConfigBase.xml �� ;
(��)�� ivman; �� , �� .
��, ��, ��.
�� -�� , �� :) – �� .

FreeSource - AltLinux/Sisyphus/admin/IvmanAutomount/subfs

2007-08-07 04:48:40

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