stevaidis/Backup
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix luks close timing

Browse Source
This commit is contained in:
Ste Vaidis 2022-12-27 23:11:28 +02:00
parent 8518c46a41
commit 2933d89e95
1 changed files with 33 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
backup.sh
View File

@ -52,8 +52,26 @@ function find_usb() {
return 1
}
function mount_luks() {
for n in `seq 0 9`; do
log " trying to mount /dev/mapper/crypted_usb"
waiting=$(grep 'Dirty\|Writeback' /proc/meminfo | grep Writeback: | awk {'print $2'})
if [[ wating -eq "0" ]]; then
echo $1 | /usr/sbin/cryptsetup luksOpen $2 crypted_usb
log "[ OK ] mounted /dev/mapper/crypted_usb"
return 0
else
log "[FAIL] mounted /dev/mapper/crypted_usb"
fi
sleep 2
done
echo "R1"
return 1
}
function mount_usb() {
echo $LUKS_PASS | /usr/sbin/cryptsetup luksOpen $USB_PARTITION crypted_usb
mount_luks $LUKS_PASS $USB_PARTITION
if [ $? = 0 ]; then
log "[ OK ] $USB_PARTITION decrypted"
/usr/bin/mount /dev/mapper/crypted_usb /mnt/usb
@ -136,11 +154,24 @@ function check_copy () {
return 0
}
function luks_close() {
for n in `seq 0 9`; do
waiting=$(grep 'Dirty\|Writeback' /proc/meminfo | grep Writeback: | awk {'print $2'})
if [[ waiting -eq "0" ]]; then
cryptsetup luksClose /dev/mapper/crypted_usb
return 0
fi
sleep 2
done
echo "R1"
return 1
}
function umount_usb() {
if /usr/bin/umount $USB_MOUNT; then
if [ $? = 0 ]; then
log "[ OK ] umount usb disk"
cryptsetup luksClose /dev/mapper/crypted_usb
luks_close
if [ $? = 0 ]; then
log "[ OK ] close disk encryption"
return 0