TrxShell [ mangaberri.com ]

Name	Size	Permission
ModemManager	2.07 MB	-rwxr-xr-x
a2disconf	15.75 KB	-rwxr-xr-x
a2dismod	15.75 KB	-rwxr-xr-x
a2dissite	15.75 KB	-rwxr-xr-x
a2enconf	15.75 KB	-rwxr-xr-x
a2enmod	15.75 KB	-rwxr-xr-x
a2ensite	15.75 KB	-rwxr-xr-x
a2query	9.6 KB	-rwxr-xr-x
aa-load	38.75 KB	-rwxr-xr-x
aa-remove-unknown	3.15 KB	-rwxr-xr-x
aa-status	39.06 KB	-rwxr-xr-x
aa-teardown	137 B	-rwxr-xr-x
accessdb	14.55 KB	-rwxr-xr-x
add-shell	1.03 KB	-rwxr-xr-x
addgnupghome	3 KB	-rwxr-xr-x
addgroup	53.9 KB	-rwxr-xr-x
adduser	53.9 KB	-rwxr-xr-x
agetty	59.56 KB	-rwxr-xr-x
apache2	736.55 KB	-rwxr-xr-x
apache2ctl	7.26 KB	-rwxr-xr-x
apachectl	7.26 KB	-rwxr-xr-x
apparmor_parser	1.55 MB	-rwxr-xr-x
apparmor_status	39.06 KB	-rwxr-xr-x
applygnupgdefaults	2.17 KB	-rwxr-xr-x
argdist-bpfcc	36 KB	-rwxr-xr-x
arp	61.61 KB	-rwxr-xr-x
arpd	26.33 KB	-rwxr-xr-x
arptables	219.16 KB	-rwxr-xr-x
arptables-nft	219.16 KB	-rwxr-xr-x
arptables-nft-restore	219.16 KB	-rwxr-xr-x
arptables-nft-save	219.16 KB	-rwxr-xr-x
arptables-restore	219.16 KB	-rwxr-xr-x
arptables-save	219.16 KB	-rwxr-xr-x
audisp-af_unix	14.31 KB	-rwxr-xr-x
audisp-remote	50.41 KB	-rwxr-xr-x
audisp-syslog	18.3 KB	-rwxr-xr-x
audispd-zos-remote	34.38 KB	-rwxr-xr-x
auditctl	50.5 KB	-rwxr-xr-x
auditd	118.41 KB	-rwxr-xr-x
augenrules	3.74 KB	-rwxr-xr-x
aureport	110.41 KB	-rwxr-xr-x
ausearch	110.45 KB	-rwxr-xr-x
autrace	18.3 KB	-rwxr-xr-x
badblocks	34.32 KB	-rwxr-xr-x
bashreadline-bpfcc	2.32 KB	-rwxr-xr-x
bashreadline.bt	698 B	-rwxr-xr-x
bcache-super-show	14.3 KB	-rwxr-xr-x
bindsnoop-bpfcc	15.96 KB	-rwxr-xr-x
biolatency-bpfcc	11.1 KB	-rwxr-xr-x
biolatency-kp.bt	664 B	-rwxr-xr-x
biolatency.bt	681 B	-rwxr-xr-x
biolatpcts-bpfcc	10.01 KB	-rwxr-xr-x
biopattern-bpfcc	3.86 KB	-rwxr-xr-x
biosdecode	27.2 KB	-rwxr-xr-x
biosnoop-bpfcc	10.58 KB	-rwxr-xr-x
biosnoop.bt	1.12 KB	-rwxr-xr-x
biostacks.bt	915 B	-rwxr-xr-x
biotop-bpfcc	9.34 KB	-rwxr-xr-x
bitesize-bpfcc	1.14 KB	-rwxr-xr-x
bitesize.bt	567 B	-rwxr-xr-x
blkdeactivate	15.97 KB	-rwxr-xr-x
blkdiscard	22.38 KB	-rwxr-xr-x
blkid	54.41 KB	-rwxr-xr-x
blkzone	34.38 KB	-rwxr-xr-x
blockdev	34.38 KB	-rwxr-xr-x
bpflist-bpfcc	2.54 KB	-rwxr-xr-x
bpftool	1.58 KB	-rwxr-xr-x
bridge	108.49 KB	-rwxr-xr-x
btrfsdist-bpfcc	6.47 KB	-rwxr-xr-x
btrfsslower-bpfcc	9.75 KB	-rwxr-xr-x
cache_check	1.36 MB	-rwxr-xr-x
cache_dump	1.36 MB	-rwxr-xr-x
cache_metadata_size	1.36 MB	-rwxr-xr-x
cache_repair	1.36 MB	-rwxr-xr-x
cache_restore	1.36 MB	-rwxr-xr-x
cache_writeback	1.36 MB	-rwxr-xr-x
cachestat-bpfcc	6.38 KB	-rwxr-xr-x
cachetop-bpfcc	9.15 KB	-rwxr-xr-x
capable-bpfcc	8.28 KB	-rwxr-xr-x
capable.bt	1.88 KB	-rwxr-xr-x
capsh	57.09 KB	-rwxr-xr-x
cfdisk	94.73 KB	-rwxr-xr-x
cgdisk	166.48 KB	-rwxr-xr-x
chcpu	30.38 KB	-rwxr-xr-x
check_forensic	952 B	-rwxr-xr-x
chgpasswd	58.32 KB	-rwxr-xr-x
chmem	34.38 KB	-rwxr-xr-x
chpasswd	54.43 KB	-rwxr-xr-x
chroot	38.51 KB	-rwxr-xr-x
cobjnew-bpfcc	53 B	-rwxr-xr-x
compactsnoop-bpfcc	11.1 KB	-rwxr-xr-x
cpgr	48.45 KB	-rwxr-xr-x
cppw	48.45 KB	-rwxr-xr-x
cpudist-bpfcc	6.85 KB	-rwxr-xr-x
cpuunclaimed-bpfcc	14.59 KB	-rwxr-xr-x
cpuwalk.bt	497 B	-rwxr-xr-x
criticalstat-bpfcc	8.41 KB	-rwxr-xr-x
cron	58.67 KB	-rwxr-xr-x
cryptdisks_start	1.51 KB	-rwxr-xr-x
cryptdisks_stop	844 B	-rwxr-xr-x
cryptsetup	225.9 KB	-rwxr-xr-x
ctrlaltdel	14.38 KB	-rwxr-xr-x
dbslower-bpfcc	7.22 KB	-rwxr-xr-x
dbstat-bpfcc	3.7 KB	-rwxr-xr-x
dcb	80.52 KB	-rwxr-xr-x
dcsnoop-bpfcc	4.03 KB	-rwxr-xr-x
dcsnoop.bt	1.23 KB	-rwxr-xr-x
dcstat-bpfcc	3.77 KB	-rwxr-xr-x
deadlock-bpfcc	20.45 KB	-rwxr-xr-x
debugfs	225.87 KB	-rwxr-xr-x
delgroup	18.53 KB	-rwxr-xr-x
deluser	18.53 KB	-rwxr-xr-x
depmod	170.24 KB	-rwxr-xr-x
devlink	150.86 KB	-rwxr-xr-x
dhcpcd	395.4 KB	-rwxr-xr-x
dirtop-bpfcc	8.37 KB	-rwxr-xr-x
dmeventd	50.38 KB	-rwxr-xr-x
dmidecode	135.25 KB	-rwxr-xr-x
dmsetup	171.05 KB	-rwxr-xr-x
dmstats	171.05 KB	-rwxr-xr-x
dosfsck	78.38 KB	-rwxr-xr-x
dosfslabel	38.38 KB	-rwxr-xr-x
dpkg-preconfigure	4.25 KB	-rwxr-xr-x
dpkg-reconfigure	4.43 KB	-rwxr-xr-x
drsnoop-bpfcc	6.73 KB	-rwxr-xr-x
dumpe2fs	34.31 KB	-rwxr-xr-x
e2freefrag	18.3 KB	-rwxr-xr-x
e2fsck	364.34 KB	-rwxr-xr-x
e2image	42.31 KB	-rwxr-xr-x
e2label	110.56 KB	-rwxr-xr-x
e2mmpstatus	34.31 KB	-rwxr-xr-x
e2scrub	7.12 KB	-rwxr-xr-x
e2scrub_all	5.27 KB	-rwxr-xr-x
e2undo	22.3 KB	-rwxr-xr-x
e4crypt	30.38 KB	-rwxr-xr-x
e4defrag	34.3 KB	-rwxr-xr-x
ebtables	219.16 KB	-rwxr-xr-x
ebtables-nft	219.16 KB	-rwxr-xr-x
ebtables-nft-restore	219.16 KB	-rwxr-xr-x
ebtables-nft-save	219.16 KB	-rwxr-xr-x
ebtables-restore	219.16 KB	-rwxr-xr-x
ebtables-save	219.16 KB	-rwxr-xr-x
ebtables-translate	219.16 KB	-rwxr-xr-x
era_check	1.36 MB	-rwxr-xr-x
era_dump	1.36 MB	-rwxr-xr-x
era_invalidate	1.36 MB	-rwxr-xr-x
era_restore	1.36 MB	-rwxr-xr-x
ethtool	651.68 KB	-rwxr-xr-x
execsnoop-bpfcc	9.82 KB	-rwxr-xr-x
execsnoop.bt	928 B	-rwxr-xr-x
exitsnoop-bpfcc	9.42 KB	-rwxr-xr-x
ext4dist-bpfcc	6.53 KB	-rwxr-xr-x
ext4slower-bpfcc	9.71 KB	-rwxr-xr-x
faillock	22.31 KB	-rwxr-xr-x
fatlabel	38.38 KB	-rwxr-xr-x
fdisk	114.42 KB	-rwxr-xr-x
filefrag	18.32 KB	-rwxr-xr-x
filegone-bpfcc	5.64 KB	-rwxr-xr-x
filelife-bpfcc	6.38 KB	-rwxr-xr-x
fileslower-bpfcc	7.2 KB	-rwxr-xr-x
filetop-bpfcc	6.35 KB	-rwxr-xr-x
findfs	14.38 KB	-rwxr-xr-x
fixparts	58.48 KB	-rwxr-xr-x
fsadm	24 KB	-rwxr-xr-x
fsck	42.42 KB	-rwxr-xr-x
fsck.btrfs	1.16 KB	-rwxr-xr-x
fsck.cramfs	30.44 KB	-rwxr-xr-x
fsck.ext2	364.34 KB	-rwxr-xr-x
fsck.ext3	364.34 KB	-rwxr-xr-x
fsck.ext4	364.34 KB	-rwxr-xr-x
fsck.fat	78.38 KB	-rwxr-xr-x
fsck.minix	54.41 KB	-rwxr-xr-x
fsck.msdos	78.38 KB	-rwxr-xr-x
fsck.vfat	78.38 KB	-rwxr-xr-x
fsck.xfs	2.51 KB	-rwxr-xr-x
fsfreeze	14.38 KB	-rwxr-xr-x
fstab-decode	14.3 KB	-rwxr-xr-x
fstrim	42.38 KB	-rwxr-xr-x
funccount-bpfcc	12.68 KB	-rwxr-xr-x
funcinterval-bpfcc	5.46 KB	-rwxr-xr-x
funclatency-bpfcc	11.28 KB	-rwxr-xr-x
funcslower-bpfcc	10.38 KB	-rwxr-xr-x
gdisk	198.48 KB	-rwxr-xr-x
genl	120.58 KB	-rwxr-xr-x
getcap	14.3 KB	-rwxr-xr-x
gethostlatency-bpfcc	3.82 KB	-rwxr-xr-x
gethostlatency.bt	1.19 KB	-rwxr-xr-x
getpcaps	14.3 KB	-rwxr-xr-x
getty	59.56 KB	-rwxr-xr-x
groupadd	71.13 KB	-rwxr-xr-x
groupdel	62.91 KB	-rwxr-xr-x
groupmems	58.34 KB	-rwxr-xr-x
groupmod	71.04 KB	-rwxr-xr-x
grpck	58.32 KB	-rwxr-xr-x
grpconv	50.16 KB	-rwxr-xr-x
grpunconv	50.16 KB	-rwxr-xr-x
grub-bios-setup	958.55 KB	-rwxr-xr-x
grub-install	1.17 MB	-rwxr-xr-x
grub-macbless	946.41 KB	-rwxr-xr-x
grub-mkconfig	8.63 KB	-rwxr-xr-x
grub-mkdevicemap	70.69 KB	-rwxr-xr-x
grub-probe	954.66 KB	-rwxr-xr-x
grub-reboot	4.73 KB	-rwxr-xr-x
grub-set-default	3.47 KB	-rwxr-xr-x
halt	1.43 MB	-rwxr-xr-x
hardirqs-bpfcc	6.85 KB	-rwxr-xr-x
hdparm	139.43 KB	-rwxr-xr-x
httxt2dbm	14.3 KB	-rwxr-xr-x
iconvconfig	34.47 KB	-rwxr-xr-x
ifconfig	77.17 KB	-rwxr-xr-x
iftop	62.62 KB	-rwxr-xr-x
init	98.45 KB	-rwxr-xr-x
inject-bpfcc	16.06 KB	-rwxr-xr-x
insmod	170.24 KB	-rwxr-xr-x
install-sgmlcatalog	4.44 KB	-rwxr-xr-x
installkernel	2.6 KB	-rwxr-xr-x
integritysetup	67.06 KB	-rwxr-xr-x
invoke-rc.d	16.13 KB	-rwxr-xr-x
iotop	113.64 KB	-rwxr-xr-x
iotop-c	113.64 KB	-rwxr-xr-x
ip	754.8 KB	-rwxr-xr-x
ip6tables	219.16 KB	-rwxr-xr-x
ip6tables-apply	6.89 KB	-rwxr-xr-x
ip6tables-legacy	92.95 KB	-rwxr-xr-x
ip6tables-legacy-restore	92.95 KB	-rwxr-xr-x
ip6tables-legacy-save	92.95 KB	-rwxr-xr-x
ip6tables-nft	219.16 KB	-rwxr-xr-x
ip6tables-nft-restore	219.16 KB	-rwxr-xr-x
ip6tables-nft-save	219.16 KB	-rwxr-xr-x
ip6tables-restore	219.16 KB	-rwxr-xr-x
ip6tables-restore-translate	219.16 KB	-rwxr-xr-x
ip6tables-save	219.16 KB	-rwxr-xr-x
ip6tables-translate	219.16 KB	-rwxr-xr-x
ipmaddr	18.3 KB	-rwxr-xr-x
iptables	219.16 KB	-rwxr-xr-x
iptables-apply	6.89 KB	-rwxr-xr-x
iptables-legacy	92.95 KB	-rwxr-xr-x
iptables-legacy-restore	92.95 KB	-rwxr-xr-x
iptables-legacy-save	92.95 KB	-rwxr-xr-x
iptables-nft	219.16 KB	-rwxr-xr-x
iptables-nft-restore	219.16 KB	-rwxr-xr-x
iptables-nft-save	219.16 KB	-rwxr-xr-x
iptables-restore	219.16 KB	-rwxr-xr-x
iptables-restore-translate	219.16 KB	-rwxr-xr-x
iptables-save	219.16 KB	-rwxr-xr-x
iptables-translate	219.16 KB	-rwxr-xr-x
iptunnel	18.3 KB	-rwxr-xr-x
iscsi-iname	18.3 KB	-rwxr-xr-x
iscsi_discovery	5.17 KB	-rwxr-xr-x
iscsiadm	370.43 KB	-rwxr-xr-x
iscsid	286.55 KB	-rwxr-xr-x
iscsistart	274.49 KB	-rwxr-xr-x
isosize	14.38 KB	-rwxr-xr-x
javacalls-bpfcc	55 B	-rwxr-xr-x
javaflow-bpfcc	54 B	-rwxr-xr-x
javagc-bpfcc	52 B	-rwxr-xr-x
javaobjnew-bpfcc	56 B	-rwxr-xr-x
javastat-bpfcc	54 B	-rwxr-xr-x
javathreads-bpfcc	57 B	-rwxr-xr-x
kbdrate	18.31 KB	-rwxr-xr-x
killall5	26.23 KB	-rwxr-xr-x
killsnoop-bpfcc	4.45 KB	-rwxr-xr-x
killsnoop.bt	873 B	-rwxr-xr-x
klockstat-bpfcc	13.04 KB	-rwxr-xr-x
kpartx	42.16 KB	-rwxr-xr-x
kvmexit-bpfcc	11.19 KB	-rwxr-xr-x
ldattach	26.38 KB	-rwxr-xr-x
ldconfig	387 B	-rwxr-xr-x
ldconfig.real	1 MB	-rwxr-xr-x
llcstat-bpfcc	4.48 KB	-rwxr-xr-x
loads.bt	1.1 KB	-rwxr-xr-x
locale-gen	4.21 KB	-rwxr-xr-x
logrotate	94.24 KB	-rwxr-xr-x
logsave	14.16 KB	-rwxr-xr-x
losetup	74.52 KB	-rwxr-xr-x
lsmod	170.24 KB	-rwxr-xr-x
luksformat	3.32 KB	-rwxr-xr-x
lvchange	3.01 MB	-rwxr-xr-x
lvconvert	3.01 MB	-rwxr-xr-x
lvcreate	3.01 MB	-rwxr-xr-x
lvdisplay	3.01 MB	-rwxr-xr-x
lvextend	3.01 MB	-rwxr-xr-x
lvm	3.01 MB	-rwxr-xr-x
lvmconfig	3.01 MB	-rwxr-xr-x
lvmdiskscan	3.01 MB	-rwxr-xr-x
lvmdump	10.12 KB	-rwxr-xr-x
lvmpolld	235.97 KB	-rwxr-xr-x
lvmsadc	3.01 MB	-rwxr-xr-x
lvmsar	3.01 MB	-rwxr-xr-x
lvreduce	3.01 MB	-rwxr-xr-x
lvremove	3.01 MB	-rwxr-xr-x
lvrename	3.01 MB	-rwxr-xr-x
lvresize	3.01 MB	-rwxr-xr-x
lvs	3.01 MB	-rwxr-xr-x
lvscan	3.01 MB	-rwxr-xr-x
lxc	589 B	-rwxr-xr-x
lxd	589 B	-rwxr-xr-x
make-bcache	22.38 KB	-rwxr-xr-x
make-ssl-cert	6.65 KB	-rwxr-xr-x
mariadbd	26.09 MB	-rwxr-xr-x
mdadm	622.21 KB	-rwxr-xr-x
mdflush-bpfcc	2.24 KB	-rwxr-xr-x
mdflush.bt	775 B	-rwxr-xr-x
mdmon	258.8 KB	-rwxr-xr-x
memleak-bpfcc	20.8 KB	-rwxr-xr-x
mii-tool	26.73 KB	-rwxr-xr-x
mkdosfs	50.83 KB	-rwxr-xr-x
mke2fs	130.62 KB	-rwxr-xr-x
mkfs	14.38 KB	-rwxr-xr-x
mkfs.bfs	22.38 KB	-rwxr-xr-x
mkfs.btrfs	560.3 KB	-rwxr-xr-x
mkfs.cramfs	34.32 KB	-rwxr-xr-x
mkfs.ext2	130.62 KB	-rwxr-xr-x
mkfs.ext3	130.62 KB	-rwxr-xr-x
mkfs.ext4	130.62 KB	-rwxr-xr-x
mkfs.fat	50.83 KB	-rwxr-xr-x
mkfs.minix	42.39 KB	-rwxr-xr-x
mkfs.msdos	50.83 KB	-rwxr-xr-x
mkfs.ntfs	66.38 KB	-rwxr-xr-x
mkfs.vfat	50.83 KB	-rwxr-xr-x
mkfs.xfs	438.99 KB	-rwxr-xr-x
mkhomedir_helper	22.34 KB	-rwxr-xr-x
mkinitramfs	15.39 KB	-rwxr-xr-x
mklost+found	14.3 KB	-rwxr-xr-x
mkntfs	66.38 KB	-rwxr-xr-x
mkswap	50.38 KB	-rwxr-xr-x
modinfo	170.24 KB	-rwxr-xr-x
modprobe	170.24 KB	-rwxr-xr-x
mount.fuse	18.3 KB	-rwxr-xr-x
mount.fuse3	18.3 KB	-rwxr-xr-x
mount.lowntfs-3g	118.98 KB	-rwxr-xr-x
mount.ntfs	159.01 KB	-rwxr-xr-x
mount.ntfs-3g	159.01 KB	-rwxr-xr-x
mountsnoop-bpfcc	14.62 KB	-rwxr-xr-x
mpathpersist	31.21 KB	-rwxr-xr-x
multipath	34.3 KB	-rwxr-xr-x
multipathc	18.3 KB	-rwxr-xr-x
multipathd	142.46 KB	-rwxr-xr-x
mysqld	26.09 MB	-rwxr-xr-x
mysqld_qslower-bpfcc	3.05 KB	-rwxr-xr-x
nameif	14.39 KB	-rwxr-xr-x
naptime.bt	1.01 KB	-rwxr-xr-x
needrestart	40.13 KB	-rwxr-xr-x
netplan	802 B	-rwxr-xr-x
netqtop-bpfcc	5.59 KB	-rwxr-xr-x
newusers	86.96 KB	-rwxr-xr-x
nfnl_osf	18.3 KB	-rwxr-xr-x
nfsdist-bpfcc	4.95 KB	-rwxr-xr-x
nfsslower-bpfcc	13.61 KB	-rwxr-xr-x
nft	26.23 KB	-rwxr-xr-x
nginx	1.25 MB	-rwxr-xr-x
nodegc-bpfcc	52 B	-rwxr-xr-x
nodestat-bpfcc	54 B	-rwxr-xr-x
nologin	14.3 KB	-rwxr-xr-x
ntfsclone	50.38 KB	-rwxr-xr-x
ntfscp	30.38 KB	-rwxr-xr-x
ntfslabel	22.38 KB	-rwxr-xr-x
ntfsresize	62.39 KB	-rwxr-xr-x
ntfsundelete	50.38 KB	-rwxr-xr-x
offcputime-bpfcc	13.46 KB	-rwxr-xr-x
offwaketime-bpfcc	15.31 KB	-rwxr-xr-x
on_ac_power	3.7 KB	-rwxr-xr-x
oomkill-bpfcc	2.04 KB	-rwxr-xr-x
oomkill.bt	1.17 KB	-rwxr-xr-x
opensnoop-bpfcc	14.24 KB	-rwxr-xr-x
opensnoop.bt	953 B	-rwxr-xr-x
overlayroot-chroot	2.45 KB	-rwxr-xr-x
ownership	14.45 KB	-rwxr-xr-x
pam-auth-update	20.96 KB	-rwxr-xr-x
pam_extrausers_chkpwd	26.31 KB	-rwxr-sr-x
pam_extrausers_update	34.31 KB	-rwxr-xr-x
pam_getenv	2.82 KB	-rwxr-xr-x
pam_namespace_helper	467 B	-rwxr-xr-x
pam_timestamp_check	14.31 KB	-rwxr-xr-x
parted	94.4 KB	-rwxr-xr-x
partprobe	14.38 KB	-rwxr-xr-x
pdata_tools	1.36 MB	-rwxr-xr-x
perlcalls-bpfcc	55 B	-rwxr-xr-x
perlflow-bpfcc	54 B	-rwxr-xr-x
perlstat-bpfcc	54 B	-rwxr-xr-x
php-fpm8.3	5.49 MB	-rwxr-xr-x
phpcalls-bpfcc	54 B	-rwxr-xr-x
phpdismod	7.11 KB	-rwxr-xr-x
phpenmod	7.11 KB	-rwxr-xr-x
phpflow-bpfcc	53 B	-rwxr-xr-x
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pvck	3.01 MB	-rwxr-xr-x
pvcreate	3.01 MB	-rwxr-xr-x
pvdisplay	3.01 MB	-rwxr-xr-x
pvmove	3.01 MB	-rwxr-xr-x
pvremove	3.01 MB	-rwxr-xr-x
pvresize	3.01 MB	-rwxr-xr-x
pvs	3.01 MB	-rwxr-xr-x
pvscan	3.01 MB	-rwxr-xr-x
pwck	54.29 KB	-rwxr-xr-x
pwconv	46.16 KB	-rwxr-xr-x
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reset-trace-bpfcc	3.42 KB	-rwxr-xr-x
resize2fs	70.3 KB	-rwxr-xr-x
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rmmod	170.24 KB	-rwxr-xr-x
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tcpsynbl-bpfcc	2.12 KB	-rwxr-xr-x

Code Editor : fsadm

#!/bin/bash
#
# Copyright (C) 2007-2020 Red Hat, Inc. All rights reserved.
#
# This file is part of LVM2.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Author: Zdenek Kabelac <zkabelac at redhat.com>
#
# Script for resizing devices (usable for LVM resize)
#
# Needed utilities:
#   mount, umount, grep, readlink, blockdev, blkid, fsck, xfs_check, cryptsetup
#
# ext2/ext3/ext4: resize2fs, tune2fs
# reiserfs: resize_reiserfs, reiserfstune
# xfs: xfs_growfs, xfs_info
#
# Return values:
#   0 success
#   1 error
#   2 break detected
#   3 unsupported online filesystem check for given mounted fs

set -euE -o pipefail

TOOL="fsadm"

_SAVEPATH=$PATH
PATH="/sbin:/usr/sbin:/bin:/usr/sbin:$PATH"

# utilities
TUNE_EXT="tune2fs"
RESIZE_EXT="resize2fs"
TUNE_REISER="reiserfstune"
RESIZE_REISER="resize_reiserfs"
TUNE_XFS="xfs_info"
RESIZE_XFS="xfs_growfs"

MOUNT="mount"
UMOUNT="umount"
MKDIR="mkdir"
RMDIR="rmdir"
BLOCKDEV="blockdev"
BLKID="blkid"
DATE="date"
GREP="grep"
READLINK="readlink"
READLINK_E="-e"
FSCK="fsck"
XFS_CHECK="xfs_check"
# XFS_REPAIR -n is used when XFS_CHECK is not found
XFS_REPAIR="xfs_repair"
CRYPTSETUP="cryptsetup"

# user may override lvm location by setting LVM_BINARY
LVM=${LVM_BINARY:-lvm}

YES="${_FSADM_YES-}"
DRY=0
VERB=
FORCE=
EXTOFF=${_FSADM_EXTOFF:-0}
DO_LVRESIZE=0
FSTYPE="unknown"
VOLUME="unknown"
TEMPDIR="${TMPDIR:-/tmp}/${TOOL}_${RANDOM}$$/m"
DM_DEV_DIR="${DM_DEV_DIR:-/dev}"
BLOCKSIZE=
BLOCKCOUNT=
MOUNTPOINT=
MOUNTED=
REMOUNT=
PROCDIR="/proc"
PROCMOUNTS="$PROCDIR/mounts"
PROCSELFMOUNTINFO="$PROCDIR/self/mountinfo"
NULL="$DM_DEV_DIR/null"

IFS_OLD=$IFS
# without bash $'\n'
NL='
'

tool_usage() {
	echo "${TOOL}: Utility to resize or check the filesystem on a device"
	echo
	echo "  ${TOOL} [options] check <device>"
	echo "    - Check the filesystem on device using fsck"
	echo
	echo "  ${TOOL} [options] resize <device> [<new_size>[BKMGTPE]]"
	echo "    - Change the size of the filesystem on device to new_size"
	echo
	echo "  Options:"
	echo "    -h | --help         Show this help message"
	echo "    -v | --verbose      Be verbose"
	echo "    -e | --ext-offline  unmount filesystem before ext2/ext3/ext4 resize"
	echo "    -f | --force        Bypass sanity checks"
	echo "    -n | --dry-run      Print commands without running them"
	echo "    -l | --lvresize     Resize given device (if it is LVM device)"
	echo "    -c | --cryptresize  Resize given crypt device"
	echo "    -y | --yes          Answer \"yes\" at any prompts"
	echo
	echo "  new_size - Absolute number of filesystem blocks to be in the filesystem,"
	echo "             or an absolute size using a suffix (in powers of 1024)."
	echo "             If new_size is not supplied, the whole device is used."

exit
}

verbose() {
	test -z "$VERB" || echo "$TOOL:" "$@"
}

# Support multi-line error messages
error() {
	for i in "$@" ;  do
		echo "$TOOL: $i" >&2
	done
	cleanup 1
}

dry() {
	if [ "$DRY" -ne 0 ]; then
		verbose "Dry execution" "$@"
		return 0
	fi
	verbose "Executing" "$@"
	$@
}

# Accept as succss also return code 1 with fsck
accept_0_1() {
	$@
	local ret="$?"
	test "$ret" -eq 1 || return "$ret"
	# Filesystem was corrected
}

cleanup() {
	trap '' 2
	# reset MOUNTPOINT - avoid recursion
	test "$MOUNTPOINT" = "$TEMPDIR" && MOUNTPOINT="" temp_umount
	if [ -n "$REMOUNT" ]; then
		verbose "Remounting unmounted filesystem back"
		dry "$MOUNT" "$VOLUME" "$MOUNTED"
	fi
	IFS=$IFS_OLD
	trap 2

test "$1" -eq 2 && verbose "Break detected"

if [ "$DO_LVRESIZE" -eq 2 ]; then
		# start LVRESIZE with the filesystem modification flag
		# and allow recursive call of fsadm
		_FSADM_YES=$YES
		_FSADM_EXTOFF=$EXTOFF
		export _FSADM_YES _FSADM_EXTOFF
		unset FSADM_RUNNING
		test -n "${LVM_BINARY-}" && PATH=$_SAVEPATH
		dry exec "$LVM" lvresize $VERB $FORCE -r -L"${NEWSIZE_ORIG}b" "$VOLUME_ORIG"
	fi

# error exit status for break
	exit "${1:-1}"
}

# convert parameter from Exa/Peta/Tera/Giga/Mega/Kilo/Bytes and blocks
# (2^(60/50/40/30/20/10/0))
decode_size() {
	case "$1" in
	 *[eE]) NEWSIZE=$(( ${1%[eE]} * 1152921504606846976 )) ;;
	 *[pP]) NEWSIZE=$(( ${1%[pP]} * 1125899906842624 )) ;;
	 *[tT]) NEWSIZE=$(( ${1%[tT]} * 1099511627776 )) ;;
	 *[gG]) NEWSIZE=$(( ${1%[gG]} * 1073741824 )) ;;
	 *[mM]) NEWSIZE=$(( ${1%[mM]} * 1048576 )) ;;
	 *[kK]) NEWSIZE=$(( ${1%[kK]} * 1024 )) ;;
	 *[bB]) NEWSIZE=${1%[bB]} ;;
	     *) NEWSIZE=$(( $1 * $2 )) ;;
	esac
	#NEWBLOCKCOUNT=$(round_block_size $NEWSIZE $2)
	NEWBLOCKCOUNT=$(( NEWSIZE / $2 ))

if [ "$DO_LVRESIZE" -eq 1 ]; then
		# start lvresize, but first cleanup mounted dirs
		DO_LVRESIZE=2
		cleanup 0
	fi
}

decode_major_minor() {
	# 0x00000fff00  mask MAJOR
	# 0xfffff000ff  mask MINOR

#MINOR=$(( $1 / 1048576 ))
	#MAJOR=$(( ($1 - ${MINOR} * 1048576) / 256 ))
	#MINOR=$(( $1 - ${MINOR} * 1048576 - ${MAJOR} * 256 + ${MINOR} * 256))

echo "$(( ( $1 >> 8 ) & 4095 )):$(( ( ( $1 >> 12 ) & 268435200 ) | ( $1 & 255 ) ))"
}

# detect filesystem on the given device
# dereference device name if it is symbolic link
detect_fs() {
	test -n "${VOLUME_ORIG-}" || VOLUME_ORIG=$1
	VOLUME=${1/#"${DM_DEV_DIR}/"/}
	VOLUME=$("$READLINK" $READLINK_E "$DM_DEV_DIR/$VOLUME")
	test -n "$VOLUME" || error "Cannot get readlink \"$1\"."
	RVOLUME=$VOLUME
	case "$RVOLUME" in
	  # hardcoded /dev  since udev does not create these entries elsewhere
	  /dev/dm-[0-9]*)
		read -r <"/sys/block/${RVOLUME#/dev/}/dm/name" SYSVOLUME 2>&1 && VOLUME="$DM_DEV_DIR/mapper/$SYSVOLUME"
		read -r <"/sys/block/${RVOLUME#/dev/}/dev" MAJORMINOR 2>&1 || error "Cannot get major:minor for \"$VOLUME\"."
		MAJOR=${MAJORMINOR%%:*}
		MINOR=${MAJORMINOR##*:}
		;;
	  *)
		STAT=$(stat --format "MAJOR=\$((0x%t)) MINOR=\$((0x%T))" "$RVOLUME")
		test -n "$STAT" || error "Cannot get major:minor for \"$VOLUME\"."
		eval "$STAT"
		MAJORMINOR="${MAJOR}:${MINOR}"
		;;
	esac
	# use null device as cache file to be sure about the result
	# not using option '-o value' to be compatible with older version of blkid
	FSTYPE=$("$BLKID" -c "$NULL" -s TYPE "$VOLUME" || true)
	test -n "$FSTYPE" || error "Cannot get FSTYPE of \"$VOLUME\"."
	FSTYPE=${FSTYPE##*TYPE=\"} # cut quotation marks
	FSTYPE=${FSTYPE%%\"*}
	verbose "\"$FSTYPE\" filesystem found on \"$VOLUME\"."
}

# Check that passed mounted MAJOR:MINOR is not matching $MAJOR:MINOR of resized $VOLUME
validate_mounted_major_minor() {
	test "$1" = "$MAJORMINOR" || {
		local REFNAME
		local CURNAME
		REFNAME=$(dmsetup info -c -j "${1%%:*}" -m "${1##*:}" -o name --noheadings 2>"$NULL")
		CURNAME=$(dmsetup info -c -j "$MAJOR" -m "$MINOR" -o name --noheadings 2>"$NULL")
		error "Cannot ${CHECK+CHECK}${RESIZE+RESIZE} device \"$VOLUME\" without umounting filesystem $MOUNTED first." \
		      "Mounted filesystem is using device $CURNAME, but referenced device is $REFNAME." \
		      "Filesystem utilities currently do not support renamed devices."
	}
}

# ATM fsresize & fsck tools are not able to work properly
# when mounted device has changed its name.
# So whenever such device no longer exists with original name
# abort further command processing
check_valid_mounted_device() {
	local MOUNTEDMAJORMINOR
	local VOL
	local CURNAME

VOL=$("$READLINK" $READLINK_E "$1")
	CURNAME=$(dmsetup info -c -j "$MAJOR" -m "$MINOR" -o name --noheadings)
	# more confused, device is not DM....
	local SUGGEST="Possibly device \"$1\" has been renamed to \"$CURNAME\"?"
	test -n "$CURNAME" || SUGGEST="Mounted volume is not a device mapper device???"

test -n "$VOL" ||
		error "Cannot access device \"$1\" referenced by mounted filesystem \"$MOUNTED\"." \
		"$SUGGEST" \
		"Filesystem utilities currently do not support renamed devices."

case "$VOL" in
	  # hardcoded /dev  since kernel does not create these entries elsewhere
	  /dev/dm-[0-9]*)
		read -r <"/sys/block/${VOL#/dev/}/dev" MOUNTEDMAJORMINOR 2>&1 || error "Cannot get major:minor for \"$VOLUME\"."
		;;
	  *)
		STAT=$(stat --format "MOUNTEDMAJORMINOR=\$((0x%t)):\$((0x%T))" "$VOL")
		test -n "$STAT" || error "Cannot get major:minor for \"$VOLUME\"."
		eval "$STAT"
		;;
	esac

validate_mounted_major_minor "$MOUNTEDMAJORMINOR"
}

detect_mounted_with_proc_self_mountinfo() {
	# Check self mountinfo
	# grab major:minor mounted_device mount_point
	MOUNTED=$("$GREP" "^[0-9]* [0-9]* $MAJORMINOR " "$PROCSELFMOUNTINFO" 2>"$NULL" | head -1)

# If device is opened and not yet found as self mounted
	# check all other mountinfos (since it can be mounted in cgroups)
	# Use 'find' to not fail on to long list of args with too many pids
	# only 1st. line is needed
	test -z "$MOUNTED" &&
		test "$(dmsetup info -c --noheading -o open -j "$MAJOR" -m "$MINOR")" -gt 0 &&
		MOUNTED=$(find "$PROCDIR" -maxdepth 2 -name mountinfo -print0 |  xargs -0 "$GREP" "^[0-9]* [0-9]* $MAJORMINOR " 2>"$NULL" | head -1 2>"$NULL")

# TODO: for performance compare with sed and stop with 1st. match:
	# sed -n "/$MAJORMINOR/ {;p;q;}"

# extract 2nd field after ' - ' separator as mouted device
	MOUNTDEV=$(echo "${MOUNTED##* - }" | cut -d ' ' -f 2)
	MOUNTDEV=$(echo -n -e "$MOUNTDEV")

# extract 5th field as mount point
	# echo -e translates \040 to spaces
	MOUNTED=$(echo "$MOUNTED" | cut -d ' ' -f 5)
	MOUNTED=$(echo -n -e "$MOUNTED")

test -n "$MOUNTED" || return 1   # Not seen mounted anywhere

check_valid_mounted_device "$MOUNTDEV"
}

# With older systems without /proc/*/mountinfo we may need to check
# every mount point as cannot easily depend on the name of mounted
# device (which could have been renamed).
# We need to visit every mount point and check it's major minor
detect_mounted_with_proc_mounts() {
	MOUNTED=$("$GREP" "^${VOLUME}[ \\t]" "$PROCMOUNTS")

# for empty string try again with real volume name
	test -z "$MOUNTED" && MOUNTED=$("$GREP" "^${RVOLUME}[ \\t]" "$PROCMOUNTS")

MOUNTDEV=$(echo -n -e "${MOUNTED%% *}")
	# cut device name prefix and trim everything past mountpoint
	# echo translates \040 to spaces
	MOUNTED=${MOUNTED#* }
	MOUNTED=$(echo -n -e "${MOUNTED%% *}")

# for systems with different device names - check also mount output
	if test -z "$MOUNTED" ; then
		# will not work with spaces in paths
		MOUNTED=$(LC_ALL=C "$MOUNT" | "$GREP" "^${VOLUME}[ \\t]")
		test -z "$MOUNTED" && MOUNTED=$(LC_ALL=C "$MOUNT" | "$GREP" "^${RVOLUME}[ \\t]")
		MOUNTDEV=${MOUNTED%% on *}
		MOUNTED=${MOUNTED##* on }
		MOUNTED=${MOUNTED% type *} # allow type in the mount name
	fi

if test -n "$MOUNTED" ; then
		check_valid_mounted_device "$MOUNTDEV"
		return 0  # mounted
	fi

# If still nothing found and volume is in use
	# check every known mount point against MAJOR:MINOR
	if test "$(dmsetup info -c --noheading -o open -j "$MAJOR" -m "$MINOR")" -gt 0 ; then
		while IFS=$'\n' read -r i ; do
			MOUNTDEV=$(echo -n -e "${i%% *}")
			MOUNTED=${i#* }
			MOUNTED=$(echo -n -e "${MOUNTED%% *}")
			STAT=$(stat --format "%d" "$MOUNTED")
			validate_mounted_major_minor "$(decode_major_minor "$STAT")"
		done < "$PROCMOUNTS"
	fi

return 1  # nothing is mounted
}

# check if the given device is already mounted and where
# FIXME: resolve swap usage and device stacking
detect_mounted() {
	if test -e "$PROCSELFMOUNTINFO"; then
		detect_mounted_with_proc_self_mountinfo
	elif test -e "$PROCMOUNTS"; then
		detect_mounted_with_proc_mounts
	else
		error "Cannot detect mounted device \"$VOLUME\"."
	fi
}

# get the full size of device in bytes
detect_device_size() {
	# check if blockdev supports getsize64
	DEVSIZE=$("$BLOCKDEV" --getsize64 "$VOLUME" 2>"$NULL" || true)
	if test -z "$DEVSIZE" ; then
		DEVSIZE=$("$BLOCKDEV" --getsize "$VOLUME" || true)
		test -n "$DEVSIZE" || error "Cannot read size of device \"$VOLUME\"."
		SSSIZE=$("$BLOCKDEV" --getss "$VOLUME" || true)
		test -n "$SSSIZE" || error "Cannot read sector size of device \"$VOLUME\"."
		DEVSIZE=$(( DEVSIZE * SSSIZE ))
	fi
}

# round up $1 / $2
# could be needed to gaurantee 'at least given size'
# but it makes many troubles
round_up_block_size() {
	echo $(( ($1 + $2 - 1) / $2 ))
}

temp_mount() {
	dry "$MKDIR" -p -m 0000 "$TEMPDIR" || error "Failed to create $TEMPDIR."
	dry "$MOUNT" "$VOLUME" "$TEMPDIR" || error "Failed to mount $TEMPDIR."
}

temp_umount() {
	dry "$UMOUNT" "$TEMPDIR" || error "Failed to umount \"$TEMPDIR\"."
	dry "$RMDIR" "${TEMPDIR}" || error "Failed to remove \"$TEMPDIR\","
	dry "$RMDIR" "${TEMPDIR%%m}" || error "Failed to remove \"${TEMPDIR%%m}\"."
}

yes_no() {
	echo -n "$@" "? [Y|n] "

if [ -n "$YES" ]; then
		echo y ; return 0
	fi

while read -r -s -n 1 ANS ; do
		case "$ANS" in
		 "y" | "Y" ) echo y ; return 0 ;;
		 "n" | "N") break ;;
		 "" ) if [ -t 1 ] ; then
			echo y ; return 0
		      fi ;;
		esac
	done

echo n
	return 1
}

try_umount() {
	yes_no "Do you want to unmount \"$MOUNTED\"" && dry "$UMOUNT" "$MOUNTED" && return 0
	error "Cannot proceed with mounted filesystem \"$MOUNTED\"."
}

validate_parsing() {
	if test -z "$BLOCKSIZE" || test -z "$BLOCKCOUNT" ; then
		error "Cannot parse $1 output."
	fi
}
####################################
# Resize ext2/ext3/ext4 filesystem
# - unmounted or mounted for upsize
# - unmounted for downsize
####################################
resize_ext() {
	local IS_MOUNTED=0
	detect_mounted && IS_MOUNTED=1

verbose "Parsing $TUNE_EXT -l \"$VOLUME\""
	for i in $(LC_ALL=C "$TUNE_EXT" -l "$VOLUME"); do
		case "$i" in
		  "Block size"*) BLOCKSIZE=${i##*  } ;;
		  "Block count"*) BLOCKCOUNT=${i##*  } ;;
		esac
	done
	validate_parsing "$TUNE_EXT"
	decode_size "$1" "$BLOCKSIZE"
	FSFORCE=$FORCE

if test "$NEWBLOCKCOUNT" -lt "$BLOCKCOUNT" || test "$EXTOFF" -eq 1 ; then
		test "$IS_MOUNTED" -eq 1 && verbose "$RESIZE_EXT needs unmounted filesystem" && try_umount
		REMOUNT=$MOUNTED
		if test -n "$MOUNTED" ; then
			# Forced fsck -f for umounted extX filesystem.
			case "$-" in
			*i*) FLAG=$YES ;;
			*)   FLAG="-p" ;;
			esac
			accept_0_1 dry "$FSCK" -f $FLAG "$VOLUME" || error "Failed to fsck $VOLUME"
		fi
	fi

verbose "Resizing filesystem on device \"$VOLUME\" to $NEWSIZE bytes ($BLOCKCOUNT -> $NEWBLOCKCOUNT blocks of $BLOCKSIZE bytes)"
	dry "$RESIZE_EXT" $FSFORCE "$VOLUME" "$NEWBLOCKCOUNT"
}

#############################
# Resize reiserfs filesystem
# - unmounted for upsize
# - unmounted for downsize
#############################
resize_reiser() {
	detect_mounted && verbose "ReiserFS resizes only unmounted filesystem" && try_umount
	REMOUNT=$MOUNTED
	verbose "Parsing $TUNE_REISER \"$VOLUME\""
	for i in $(LC_ALL=C "$TUNE_REISER" "$VOLUME"); do
		case "$i" in
		  "Blocksize"*) BLOCKSIZE=${i##*: } ;;
		  "Count of blocks"*) BLOCKCOUNT=${i##*: } ;;
		esac
	done
	validate_parsing "$TUNE_REISER"
	decode_size "$1" "$BLOCKSIZE"
	verbose "Resizing \"$VOLUME\" $BLOCKCOUNT -> $NEWBLOCKCOUNT blocks ($NEWSIZE bytes, bs: $NEWBLOCKCOUNT)"
	if [ -n "$YES" ]; then
		echo y | dry "$RESIZE_REISER" -s "$NEWSIZE" "$VOLUME"
	else
		dry "$RESIZE_REISER" -s "$NEWSIZE" "$VOLUME"
	fi
}

########################
# Resize XFS filesystem
# - mounted for upsize
# - cannot downsize
########################
resize_xfs() {
	detect_mounted
	MOUNTPOINT=$MOUNTED
	if [ -z "$MOUNTED" ]; then
		MOUNTPOINT=$TEMPDIR
		temp_mount || error "Cannot mount Xfs filesystem."
	fi
	verbose "Parsing $TUNE_XFS \"$MOUNTPOINT\""
	for i in $(LC_ALL=C "$TUNE_XFS" "$MOUNTPOINT"); do
		case "$i" in
		  "data"*) BLOCKSIZE=${i##*bsize=} ; BLOCKCOUNT=${i##*blocks=} ;;
		esac
	done
	BLOCKSIZE=${BLOCKSIZE%%[^0-9]*}
	BLOCKCOUNT=${BLOCKCOUNT%%[^0-9]*}
	validate_parsing "$TUNE_XFS"
	decode_size "$1" "$BLOCKSIZE"
	if [ "$NEWBLOCKCOUNT" -gt "$BLOCKCOUNT" ]; then
		verbose "Resizing Xfs mounted on \"$MOUNTPOINT\" to fill device \"$VOLUME\""
		dry "$RESIZE_XFS" "$MOUNTPOINT"
	elif [ "$NEWBLOCKCOUNT" -eq "$BLOCKCOUNT" ]; then
		verbose "Xfs filesystem already has the right size"
	else
		error "Xfs filesystem shrinking is unsupported."
	fi
}

# Find active LUKS device on original volume
# 1) look for LUKS device with well-known UUID format (CRYPT-LUKS[12]-<uuid>-<dmname>)
# 2) the dm-crypt device has to be on top of original device (dont't support detached LUKS headers)
detect_luks_device() {
	local _LUKS_VERSION
	local _LUKS_UUID

CRYPT_NAME=""
	CRYPT_DATA_OFFSET=""

_LUKS_VERSION=$("$CRYPTSETUP" luksDump "$VOLUME" 2>"$NULL" | "$GREP" "Version:")

if [ -z "$_LUKS_VERSION" ]; then
		verbose "Failed to parse LUKS version on volume \"$VOLUME\""
		return
	fi

_LUKS_VERSION=${_LUKS_VERSION//[Version:[:space:]]/}

_LUKS_UUID=$("$CRYPTSETUP" luksDump "$VOLUME" 2>"$NULL" | "$GREP" "UUID:")

if [ -z "$_LUKS_UUID" ]; then
		verbose "Failed to parse LUKS UUID on volume \"$VOLUME\""
		return
	fi

_LUKS_UUID="CRYPT-LUKS$_LUKS_VERSION-${_LUKS_UUID//[UID:[:space:]-]/}-"

CRYPT_NAME=$(dmsetup info -c --noheadings -S "UUID=~^$_LUKS_UUID&&segments=1&&devnos_used='$MAJOR:$MINOR'" -o name)
	test -z "$CRYPT_NAME" || CRYPT_DATA_OFFSET=$(dmsetup table "$CRYPT_NAME" | cut -d ' ' -f 8)

# LUKS device must be active and mapped over volume where detected
	if [ -z "$CRYPT_NAME" ] || [ -z "$CRYPT_DATA_OFFSET" ]; then
		error "Can not find active LUKS device. Unlock \"$VOLUME\" volume first."
	fi
}

######################################
# Resize active LUKS device
# - LUKS must be active for fs resize
######################################
resize_luks() {
	local L_NEWSIZE
	local L_NEWBLOCKCOUNT
	local NAME
	local SHRINK=0

detect_luks_device

NAME=$CRYPT_NAME

verbose "Found active LUKS device \"$NAME\" for volume \"$VOLUME\""

decode_size "$1" 512

if [ $((NEWSIZE % 512)) -gt 0 ]; then
		error "New size is not sector alligned"
	fi

if [ $((NEWBLOCKCOUNT - CRYPT_DATA_OFFSET)) -lt 1 ]; then
		error "New size is smaller than minimum ($(((CRYPT_DATA_OFFSET + 1) * 512)) bytes) for LUKS device $VOLUME"
	fi

L_NEWBLOCKCOUNT=$((NEWBLOCKCOUNT - CRYPT_DATA_OFFSET))
	L_NEWSIZE=$(( L_NEWBLOCKCOUNT * 512))

VOLUME="$DM_DEV_DIR/mapper/$NAME"
	detect_device_size

test "$DEVSIZE" -le "$L_NEWSIZE" || SHRINK=1

if [ $SHRINK -eq 1 ]; then
		# shrink fs on LUKS device first
		resize "$DM_DEV_DIR/mapper/$NAME" "$L_NEWSIZE"b
	fi

# resize LUKS device
	dry "$CRYPTSETUP" resize "$NAME" --size $L_NEWBLOCKCOUNT || error "Failed to resize active LUKS device"

if [ $SHRINK -eq 0 ]; then
		# grow fs on top of LUKS device
		resize "$DM_DEV_DIR/mapper/$NAME" "$L_NEWSIZE"b
	fi
}

detect_crypt_device() {
	local CRYPT_TYPE
	local L_NEWSIZE
	local TMP

which "$CRYPTSETUP" >"$NULL" 2>&1 || error "$CRYPTSETUP utility required to resize crypt device"

CRYPT_TYPE=$("$CRYPTSETUP" status "$1" 2>"$NULL" | "$GREP" "type:")

test -n "$CRYPT_TYPE" || error "$CRYPTSETUP failed to detect device type on $1."

CRYPT_TYPE=${CRYPT_TYPE##*[[:space:]]}

case "$CRYPT_TYPE" in
	 LUKS[12]|PLAIN)
		verbose "\"$1\" crypt device is type $CRYPT_TYPE"
		;;
	 *)
		error "Unsupported crypt type \"$CRYPT_TYPE\""
	esac

TMP=$NEWSIZE
	decode_size "$2" 512
	L_NEWSIZE=$NEWSIZE
	NEWSIZE=$TMP

if [ $((L_NEWSIZE % 512)) -ne 0 ]; then
		error "New size is not sector alligned"
	fi

CRYPT_RESIZE_BLOCKS=$NEWBLOCKCOUNT

if [ "$DEVSIZE" -ge "$L_NEWSIZE" ]; then
		CRYPT_SHRINK=1
	else
		CRYPT_GROW=1
	fi
}

#################################
# Resize active crypt device
#  (on direct user request only)
#################################
resize_crypt() {
	dry "$CRYPTSETUP" resize "$1" --size $CRYPT_RESIZE_BLOCKS || error "$CRYPTSETUP failed to resize device $1"
}

####################
# Resize filesystem
####################
resize() {
	NEWSIZE=$2
	detect_fs "$1"
	detect_device_size
	verbose "Device \"$VOLUME\" size is $DEVSIZE bytes"
	# if the size parameter is missing use device size
	#if [ -n "$NEWSIZE" -a $NEWSIZE <
	test -z "$NEWSIZE" && NEWSIZE=${DEVSIZE}b
	NEWSIZE_ORIG=${NEWSIZE_ORIG:-$NEWSIZE}
	IFS=$NL
	test -z "${DO_CRYPTRESIZE-}" || detect_crypt_device "$VOLUME_ORIG" "$NEWSIZE_ORIG"
	test -z "${CRYPT_GROW-}" || resize_crypt "$VOLUME_ORIG"

case "$FSTYPE" in
	  ext[234])	CMD=resize_ext ;;
	  "reiserfs")	CMD=resize_reiser ;;
	  "xfs")	CMD=resize_xfs ;;
	  "crypto_LUKS")
		which "$CRYPTSETUP" >"$NULL" 2>&1 || error "$CRYPTSETUP utility required to resize LUKS volume"
		CMD=resize_luks ;;
	  *) error "Filesystem \"$FSTYPE\" on device \"$VOLUME\" is not supported by this tool." ;;
	esac

$CMD $NEWSIZE || error "$FSTYPE resize failed."
	test -z "${CRYPT_SHRINK-}" || resize_crypt "$VOLUME_ORIG"
}

####################################
# Calclulate diff between two dates
#  LC_ALL=C input is expected the
#  only one supported
####################################
diff_dates() {
         echo $(( $("$DATE" -u -d"$1" +%s 2>"$NULL") - $("$DATE" -u -d"$2" +%s 2>"$NULL") ))
}

check_luks() {
	detect_luks_device

check "$DM_DEV_DIR/mapper/$CRYPT_NAME"
}

###################
# Check filesystem
###################
check() {
	detect_fs "$1"
	if detect_mounted ; then
		verbose "Skipping filesystem check for device \"$VOLUME\" as the filesystem is mounted on $MOUNTED";
		cleanup 3
	fi

case "$FSTYPE" in
	  ext[234])
		IFS_CHECK=$IFS
		IFS=$NL
		for i in $(LC_ALL=C "$TUNE_EXT" -l "$VOLUME"); do
			case "$i" in
			  "Last mount"*) LASTMOUNT=${i##*: } ;;
			  "Last checked"*) LASTCHECKED=${i##*: } ;;
			esac
		done
		case "$LASTMOUNT" in
		  *"n/a") ;; # nothing to do - system was not mounted yet
		  *)
			LASTDIFF=$(diff_dates "$LASTMOUNT" "$LASTCHECKED")
			if test "$LASTDIFF" -gt 0 ; then
				verbose "Filesystem has not been checked after the last mount, using fsck -f"
				FORCE="-f"
			fi
			;;
		esac
		IFS=$IFS_CHECK
	esac

case "$FSTYPE" in
	  "xfs") if which "$XFS_CHECK" >"$NULL" 2>&1 ; then
			dry "$XFS_CHECK" "$VOLUME" || error "Xfs check failed."
		 else
			# Replacement for outdated xfs_check
			# FIXME: for small devices we need to force_geometry,
			# since we run in '-n' mode, it shouldn't be problem.
			# Think about better way....
			dry "$XFS_REPAIR" -n -o force_geometry "$VOLUME" || error "Xfs repair failed."
		 fi ;;
	  ext[234]|"reiserfs")
	        # check if executed from interactive shell environment
		case "$-" in
		  *i*) FLAG=$YES ;;
		  *)   FLAG="-p" ;;
		esac
		accept_0_1 dry "$FSCK" $FORCE $FLAG "$VOLUME" || error "Fsck $FSTYPE failed."
		;;
	  "crypto_LUKS")
		which "$CRYPTSETUP" >"$NULL" 2>&1 || error "$CRYPTSETUP utility required."
		check_luks || error "Crypto luks check failed."
		;;
	  *)
		error "Filesystem \"$FSTYPE\" on device \"$VOLUME\" is not supported by this tool." ;;
	esac
}

#############################
# start point of this script
# - parsing parameters
#############################
trap "cleanup 2" 2

# test if we are not invoked recursively
test -n "${FSADM_RUNNING-}" && exit 0

# test some prerequisities
for i in "$TUNE_EXT" "$RESIZE_EXT" "$TUNE_REISER" "$RESIZE_REISER" \
	"$TUNE_XFS" "$RESIZE_XFS" "$MOUNT" "$UMOUNT" "$MKDIR" \
	"$RMDIR" "$BLOCKDEV" "$BLKID" "$GREP" "$READLINK" \
	"$DATE" "$FSCK" "$XFS_CHECK" "$XFS_REPAIR" "$LVM" ; do
	test -n "$i" || error "Required command definitions in the script are missing!"
done

"$LVM" version >"$NULL" 2>&1 || error "Could not run lvm binary \"$LVM\"."
"$READLINK" -e / >"$NULL" 2>&1 || READLINK_E="-f"
TEST64BIT=$(( 1000 * 1000000000000 ))
test "$TEST64BIT" -eq 1000000000000000 || error "Shell does not handle 64bit arithmetic."
echo Y | "$GREP" Y >"$NULL" || error "Grep does not work properly."
test "$("$DATE" -u -d"Jan 01 00:00:01 1970" +%s)" -eq 1 || error "Date translation does not work."

if [ "$#" -eq 0 ] ; then
	tool_usage
fi

CHECK=""
RESIZE=""
NEWSIZE=""

while [ "$#" -ne 0 ]
do
	 case "$1" in
	  "") ;;
	  "-h"|"--help") tool_usage ;;
	  "-v"|"--verbose") VERB="-v" ;;
	  "-n"|"--dry-run") DRY=1 ;;
	  "-f"|"--force") FORCE="-f" ;;
	  "-e"|"--ext-offline") EXTOFF=1 ;;
	  "-y"|"--yes") YES="-y" ;;
	  "-l"|"--lvresize") DO_LVRESIZE=1 ;;
	  "-c"|"--cryptresize") DO_CRYPTRESIZE=1 ;;
	  "check") test -z "${2-}" && error "Missing <device>. (see: $TOOL --help)"
		   CHECK=$2 ; shift ;;
	  "resize") test -z "${2-}" && error "Missing <device>. (see: $TOOL --help)"
		    RESIZE=$2 ; shift
		    if test -n "${2-}" ; then NEWSIZE="${2-}" ; shift ; fi ;;
	  *) error "Wrong argument \"$1\". (see: $TOOL --help)"
	esac
	shift
done

test "$YES" = "-y" || YES=""
test "$EXTOFF" -eq 1 || EXTOFF=0

if [ -n "$CHECK" ]; then
	check "$CHECK"
elif [ -n "$RESIZE" ]; then
	export FSADM_RUNNING="fsadm"
	resize "$RESIZE" "$NEWSIZE"
	cleanup 0
else
	error "Missing command. (see: $TOOL --help)"
fi

${this.title}

Code Editor : fsadm