Factorisation et ajout des modes status, fsck et open
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parent
74f1a2319a
commit
01252853ea
212
backup-usb
212
backup-usb
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@ -17,26 +17,49 @@ MAIL_FROM=root@localhost
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MAIL_TO=root@localhost
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function usage() {
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echo "Usage : backup-usb [-d] [-c] [-l /path/to/log.file] [-u /dev/sdX]"
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echo "Usage : backup-usb [-d] [-s|-c|-f|-o] [-l /path/to/log.file] [-u /dev/sdX]"
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echo " -d Debug mode"
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echo " -c Clean mode"
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echo " -d Status mode : print status mode"
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echo " -c Clean status mode : try to :"
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echo " - umount device and BackupPC-FS"
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echo " - close LUKS device"
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echo " - remove lock file"
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echo " -f FSCK mode : Run FSCK on device"
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echo " -o Open mode : lock, open and mount device"
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echo " -l Log file path"
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echo " -u Path of USB disk device"
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}
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DEBUG=0
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SEND_MAIL=1
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STATUS_MODE=0
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CLEAN_MODE=0
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FSCK_MODE=0
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OPEN_MODE=0
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LOG=""
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DEVICE=""
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while getopts ":dcl:u:h" opt
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while getopts ":dscfol:u:h" opt
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do
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case "$opt" in
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d)
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DEBUG=1
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;;
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s)
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STATUS_MODE=1
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SEND_MAIL=0
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;;
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c)
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CLEAN_MODE=1
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SEND_MAIL=0
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;;
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f)
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FSCK_MODE=1
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SEND_MAIL=0
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;;
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o)
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OPEN_MODE=1
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SEND_MAIL=0
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;;
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l)
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LOG="$OPTARG"
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@ -64,6 +87,7 @@ function is_mount () {
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}
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function send_mail () {
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[ $SEND_MAIL -eq 0 ] && return
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echo -e "$2"|mail -s "$1" -r "$MAIL_FROM" "$MAIL_TO"
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}
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@ -81,7 +105,7 @@ function debug () {
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then
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beep -f 300 -l 2000
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fi
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if [ "$3" == "send" ]
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if [ "$3" == "send" -a $SEND_MAIL -ne 0 ]
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then
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if [ -z "$LOG" ]
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then
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@ -94,6 +118,7 @@ function debug () {
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}
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function send_report () {
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[ $DEBUG -eq 1 -o $SEND_MAIL -eq 0 ] && return 0
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[ -n "$REPORT_DF_START" ] && REPORT="${REPORT}\n\n${REPORT_DF_START}"
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[ -n "$REPORT_DF_END" ] && REPORT="${REPORT}\n\n${REPORT_DF_END}"
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if [ "$1" == "error" ]
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@ -112,8 +137,7 @@ function disk_info() {
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echo "$VENDOR $SIZE / UUID : $UUID"|sed 's/ \+/ /g'
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}
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function backup() {
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debug INFO "Début de l'export des sauvegardes Backup PC sur le disque USB $DEVICE ($( disk_info ))" send
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function checkAndLock() {
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if [ -f $LOCK_FILE ]
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then
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debug ERREUR "Le fichier de lock est toujours présent ($LOCK_FILE)." send
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@ -122,8 +146,14 @@ function backup() {
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fi
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debug INFO "Dépot du fichier de lock."
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echo $$ > $LOCK_FILE
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beep -f 1000 -r 2 -l 100
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}
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function unlock() {
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debug INFO "Suppression du fichier de lock"
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rm -f $LOCK_FILE
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}
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function openDevice() {
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if [ -e $LUKS_DM_PATH ]
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then
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debug ERREUR "Le device $LUKS_DM_NAME existe deja ($LUKS_DM_PATH)." send
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@ -142,8 +172,9 @@ function backup() {
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else
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debug INFO "Fait."
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fi
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}
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function mountDevice() {
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if [ `is_mount $LUKS_DM_PATH` -eq 1 ]
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then
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debug ERREUR "Le disque est déjà monté" send
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@ -160,6 +191,99 @@ function backup() {
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debug HALT
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exit 1
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fi
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}
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function closeDevice() {
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debug INFO "Fermeture du disque LUKS..."
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cryptsetup close $LUKS_DM_NAME
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RES=$?
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if [ $RES -ne 0 ]
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then
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debug ERREUR "Problème durant la fermeture du disque LUKS" send
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debug HALT
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send_report error
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exit 1
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fi
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}
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function statusMode () {
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if [ -f $LOCK_FILE ]
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then
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debug INFO "Fichier de lock present"
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if [ $( ps xa|grep rsync|grep -c "$BACKUPPCFS_MNT" ) -gt 0 ]
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then
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debug INFO "Un export de sauvegarde est en cours (commande rsync détectée)"
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else
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debug ERREUR "Aucun export de sauvegarde détecté (pas de commande rsync détectée).\n\nSi le problème predure depuis plusieurs limite, lancer la commande '$0 -c'"
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fi
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else
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debug INFO "Fichier de lock absent"
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fi
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if [ -e $LUKS_DM_PATH ]
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then
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debug INFO "Disque LUKS ouvert"
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if [ `is_mount $LUKS_DM_PATH` -eq 1 ]
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then
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debug INFO "Disque LUKS monté"
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df -h $LUKS_DM_PATH
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else
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debug INFO "Disque LUKS non-monté"
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fi
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else
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debug INFO "Disque LUKS non-ouvert"
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fi
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if [ `is_mount $BACKUPPCFS_MNT` -eq 1 ]
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then
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debug INFO "BackupPC-FS monté"
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else
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debug INFO "BackupPC-FS non-monté"
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fi
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}
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function cleanMode () {
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umount $MNT_DIR
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cryptsetup close $LUKS_DM_NAME
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umount $BACKUPPCFS_MNT
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rm -f $LOCK_FILE
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}
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function fsckMode() {
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debug INFO "Début du test FSCK du disque USB $DEVICE ($( disk_info ))"
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checkAndLock
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beep -f 1000 -r 2 -l 100
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openDevice
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fsck $LUKS_DM_PATH
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RET=$?
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if [ $RET -eq 0 ]
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then
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closeDevice
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unlock
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fi
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exit $RET
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}
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function openMode() {
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debug INFO "Ouverture et montage du disque USB $DEVICE ($( disk_info ))"
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checkAndLock
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beep -f 1000 -r 2 -l 100
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openDevice
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mountDevice
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exit 0
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}
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function exportBackupMode() {
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debug INFO "Début de l'export des sauvegardes Backup PC sur le disque USB $DEVICE ($( disk_info ))" send
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checkAndLock
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beep -f 1000 -r 2 -l 100
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openDevice
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mountDevice
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debug INFO "Disque monté. Espace sur le disque USB avant l'export :\n\n$( df -hP $MNT_DIR )\n"
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debug INFO "Montage de BackupPC FS..."
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@ -224,53 +348,25 @@ function backup() {
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debug INFO "Fait."
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fi
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debug INFO "Fermeture du disque LUKS..."
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cryptsetup close $LUKS_DM_NAME
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RES=$?
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if [ $RES -ne 0 ]
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then
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debug ERREUR "Problème durant la fermeture du disque LUKS" send
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debug HALT
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send_report error
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exit 1
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fi
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closeDevice
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debug INFO "Suppression du fichier de lock"
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rm -f $LOCK_FILE
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unlock
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debug INFO "Fin de l'export."
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send_report
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beep -f 1000 -l 2000
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}
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function clean () {
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umount $MNT_DIR
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cryptsetup close $LUKS_DM_NAME
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umount $BACKUPPCFS_MNT
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rm -f $LOCK_FILE
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}
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# Manage clean mode
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if [ "$CLEAN_MODE" == "1" ]
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# Manage status/clean mode
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if [ "$STATUS_MODE" == "1" ]
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then
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clean
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statusMode
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exit 0
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fi
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# Else : we are in backup mode
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if [ -n "$LOG" ]
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elif [ "$CLEAN_MODE" == "1" ]
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then
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# Close STDOUT file descriptor
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exec 1<&-
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# Close STDERR FD
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exec 2<&-
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# Open STDOUT as $LOG file for read and write.
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exec 1<>$LOG
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# Redirect STDERR to STDOUT
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exec 2>&1
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cleanMode
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exit 0
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fi
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if [ -z "$DEVICE" ]
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@ -278,6 +374,30 @@ then
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debug FATAL "Il faut specifié le disque USB avec le paramètre -u !"
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usage
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exit 1
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fi
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elif [ "$FSCK_MODE" == "1" ]
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then
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fsckMode
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exit $?
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elif [ "$OPEN_MODE" == "1" ]
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then
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openMode
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exit $?
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else
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# Else : we are in backup mode
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backup
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if [ -n "$LOG" ]
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then
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# Close STDOUT file descriptor
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exec 1<&-
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# Close STDERR FD
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exec 2<&-
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# Open STDOUT as $LOG file for read and write.
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exec 1<>$LOG
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# Redirect STDERR to STDOUT
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exec 2>&1
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fi
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exportBackupMode
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fi
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