X7ROOT File Manager
Current Path:
/usr/sbin
usr
/
sbin
/
📁
..
📄
accessdb
(11.55 KB)
📄
addgnupghome
(3.05 KB)
📄
addpart
(19.69 KB)
📄
adduser
(134.39 KB)
📄
agetty
(48.48 KB)
📄
alternatives
(27.61 KB)
📄
anacron
(35.52 KB)
📄
apachectl
(4.31 KB)
📄
applygnupgdefaults
(2.21 KB)
📄
arp
(63.98 KB)
📄
arpd
(52.98 KB)
📄
arping
(23.19 KB)
📄
atd
(27.17 KB)
📄
atrun
(67 B)
📄
audispd
(39.75 KB)
📄
auditctl
(39.56 KB)
📄
auditd
(125.65 KB)
📄
augenrules
(3.7 KB)
📄
aureport
(105.39 KB)
📄
ausearch
(109.8 KB)
📄
authconfig
(43.49 KB)
📄
authconfig-tui
(43.49 KB)
📄
autrace
(15.49 KB)
📄
avcstat
(11.25 KB)
📄
badblocks
(27.69 KB)
📄
biosdecode
(24.15 KB)
📄
blkdeactivate
(15.97 KB)
📄
blkdiscard
(23.84 KB)
📄
blkid
(77.92 KB)
📄
blkmapd
(43.81 KB)
📄
blockdev
(32.2 KB)
📄
bridge
(77.61 KB)
📄
btrfs
(690.59 KB)
📄
btrfs-convert
(378.62 KB)
📄
btrfs-debug-tree
(354.23 KB)
📄
btrfs-find-root
(346.22 KB)
📄
btrfs-image
(374.63 KB)
📄
btrfs-map-logical
(350.27 KB)
📄
btrfs-select-super
(346.2 KB)
📄
btrfs-zero-log
(346.2 KB)
📄
btrfsck
(690.59 KB)
📄
btrfstune
(350.24 KB)
📄
build-locale-archive
(860.52 KB)
📄
cacertdir_rehash
(644 B)
📄
capsh
(19.43 KB)
📄
cbq
(32.73 KB)
📄
cfdisk
(71.37 KB)
📄
chcpu
(23.7 KB)
📄
chgpasswd
(64.1 KB)
📄
chkconfig
(40.22 KB)
📄
chpasswd
(55.88 KB)
📄
chronyd
(263.08 KB)
📄
chroot
(32.48 KB)
📄
clock
(48.44 KB)
📄
clockdiff
(19.04 KB)
📄
consoletype
(6.95 KB)
📄
convertquota
(70.88 KB)
📄
cracklib-check
(7.04 KB)
📄
cracklib-format
(246 B)
📄
cracklib-packer
(11.06 KB)
📄
cracklib-unpacker
(7.02 KB)
📄
create-cracklib-dict
(990 B)
📄
crond
(68.48 KB)
📄
ctrlaltdel
(11.2 KB)
📄
ctstat
(20.09 KB)
📄
ddns-confgen
(19.44 KB)
📄
debugfs
(120.64 KB)
📄
delpart
(19.69 KB)
📄
depmod
(143.24 KB)
📄
devlink
(64.72 KB)
📄
dhclient
(414.34 KB)
📄
dhclient-script
(30.38 KB)
📄
dmfilemapd
(19.16 KB)
📄
dmidecode
(120.2 KB)
📄
dmsetup
(149.2 KB)
📄
dmstats
(149.2 KB)
📄
dnssec-checkds
(922 B)
📄
dnssec-coverage
(924 B)
📄
dnssec-dsfromkey
(56.6 KB)
📄
dnssec-importkey
(52.59 KB)
📄
dnssec-keyfromlabel
(60.52 KB)
📄
dnssec-keygen
(64.55 KB)
📄
dnssec-keymgr
(920 B)
📄
dnssec-revoke
(48.46 KB)
📄
dnssec-settime
(56.52 KB)
📄
dnssec-signzone
(105.71 KB)
📄
dnssec-verify
(48.46 KB)
📄
dovecot
(370.66 KB)
📄
dovecot_cpshutdown
(3.27 KB)
📄
dracut
(55.83 KB)
📄
dumpe2fs
(23.62 KB)
📄
e2freefrag
(11.15 KB)
📄
e2fsck
(250.55 KB)
📄
e2image
(27.85 KB)
📄
e2label
(69.41 KB)
📄
e2undo
(11.32 KB)
📄
e4defrag
(23.55 KB)
📄
eapol_test
(1.77 MB)
📄
edquota
(83.09 KB)
📄
ether-wake
(73.26 KB)
📄
ethtool
(293.87 KB)
📄
exicyclog
(11.01 KB)
📄
exigrep
(10.44 KB)
📄
exim
(1.33 MB)
📄
exim_checkaccess
(4.73 KB)
📄
exim_dbmbuild
(82.09 KB)
📄
exim_dumpdb
(134.47 KB)
📄
exim_fixdb
(168.22 KB)
📄
exim_lock
(64.66 KB)
📄
exim_tidydb
(142.8 KB)
📄
eximstats
(148.01 KB)
📄
exinext
(8.02 KB)
📄
exiqgrep
(5.46 KB)
📄
exiqsumm
(5.07 KB)
📄
exiwhat
(4.32 KB)
📄
exportfs
(76.91 KB)
📄
faillock
(15.02 KB)
📄
fcgistarter
(23.85 KB)
📄
fdformat
(11.27 KB)
📄
fdisk
(195.8 KB)
📄
filefrag
(15.23 KB)
📄
findfs
(11.2 KB)
📄
fixfiles
(11.03 KB)
📄
fsck
(32.12 KB)
📄
fsck.btrfs
(1.16 KB)
📄
fsck.cramfs
(19.57 KB)
📄
fsck.ext2
(250.55 KB)
📄
fsck.ext3
(250.55 KB)
📄
fsck.ext4
(250.55 KB)
📄
fsck.minix
(73.32 KB)
📄
fsck.xfs
(433 B)
📄
fsfreeze
(11.23 KB)
📄
fstrim
(40.59 KB)
📄
fuser
(32.34 KB)
📄
genhomedircon
(23.77 KB)
📄
genhostid
(6.94 KB)
📄
genl
(52.81 KB)
📄
genl-ctrl-list
(11.27 KB)
📄
genrandom
(11.16 KB)
📄
getcap
(11.13 KB)
📄
getenforce
(7.01 KB)
📄
getpcaps
(7.07 KB)
📄
getsebool
(11.13 KB)
📄
glibc_post_upgrade.x86_64
(772.05 KB)
📄
groupadd
(85.65 KB)
📄
groupdel
(77.38 KB)
📄
groupmems
(55.97 KB)
📄
groupmod
(85.66 KB)
📄
grpck
(59.93 KB)
📄
grpconv
(51.73 KB)
📄
grpunconv
(51.73 KB)
📄
grub2-bios-setup
(1.04 MB)
📄
grub2-get-kernel-settings
(2.08 KB)
📄
grub2-install
(1.29 MB)
📄
grub2-macbless
(1.02 MB)
📄
grub2-mkconfig
(7.63 KB)
📄
grub2-ofpathname
(225.5 KB)
📄
grub2-probe
(1.04 MB)
📄
grub2-reboot
(4 KB)
📄
grub2-rpm-sort
(262.53 KB)
📄
grub2-set-default
(3.46 KB)
📄
grub2-setpassword
(2.96 KB)
📄
grub2-sparc64-setup
(1.04 MB)
📄
grubby
(71.27 KB)
📄
gss-server
(23.13 KB)
📄
gssproxy
(130.64 KB)
📄
halt
(704.8 KB)
📄
hardlink
(15.29 KB)
📄
htcacheclean
(78.45 KB)
📄
httpd
(2.31 MB)
📄
hwclock
(48.44 KB)
📄
iconvconfig
(22.15 KB)
📄
iconvconfig.x86_64
(22.15 KB)
📄
ifcfg
(2.99 KB)
📄
ifconfig
(80.05 KB)
📄
ifdown
(1.61 KB)
📄
ifenslave
(19.74 KB)
📄
ifstat
(40.6 KB)
📄
ifup
(4.89 KB)
📄
init
(1.56 MB)
📄
insmod
(143.24 KB)
📄
install-info
(110.42 KB)
📄
installkernel
(2.69 KB)
📄
intel-microcode2ucode
(11.1 KB)
📄
ip
(459.59 KB)
📄
ip6tables
(91.52 KB)
📄
ip6tables-restore
(91.52 KB)
📄
ip6tables-save
(91.52 KB)
📄
ipmaddr
(19.33 KB)
📄
iptables
(91.52 KB)
📄
iptables-restore
(91.52 KB)
📄
iptables-save
(91.52 KB)
📄
iptunnel
(23.33 KB)
📄
irqbalance
(48.5 KB)
📄
isc-hmac-fixup
(11.2 KB)
📄
kexec
(166.06 KB)
📄
key.dns_resolver
(19.45 KB)
📄
killall5
(23.17 KB)
📄
kpartx
(39.47 KB)
📄
lchage
(15.41 KB)
📄
ldattach
(27.93 KB)
📄
ldconfig
(952.08 KB)
📄
lgroupadd
(11.28 KB)
📄
lgroupdel
(11.26 KB)
📄
lgroupmod
(15.44 KB)
📄
lid
(15.4 KB)
📄
lnewusers
(15.46 KB)
📄
lnstat
(20.09 KB)
📄
load_policy
(10.97 KB)
📄
logrotate
(68.61 KB)
📄
logsave
(11.27 KB)
📄
losetup
(82.45 KB)
📄
lpasswd
(15.5 KB)
📄
lshw
(895.18 KB)
📄
lsmod
(143.24 KB)
📄
lsof
(150.57 KB)
📄
luseradd
(15.38 KB)
📄
luserdel
(11.3 KB)
📄
lusermod
(19.43 KB)
📄
lwresd
(768.04 KB)
📄
makedumpfile
(376.52 KB)
📄
matchpathcon
(11.19 KB)
📄
mii-diag
(20.08 KB)
📄
mii-tool
(19.51 KB)
📄
mkdict
(246 B)
📄
mkdumprd
(13.99 KB)
📄
mke2fs
(94.08 KB)
📄
mkfs
(11.25 KB)
📄
mkfs.btrfs
(366.45 KB)
📄
mkfs.cramfs
(36.16 KB)
📄
mkfs.ext2
(94.08 KB)
📄
mkfs.ext3
(94.08 KB)
📄
mkfs.ext4
(94.08 KB)
📄
mkfs.minix
(36.27 KB)
📄
mkfs.xfs
(359.8 KB)
📄
mkhomedir_helper
(19.05 KB)
📄
mklost+found
(11.11 KB)
📄
mkswap
(69.64 KB)
📄
modinfo
(143.24 KB)
📄
modprobe
(143.24 KB)
📄
modsec-sdbm-util
(22.17 KB)
📄
mount.nfs
(114.68 KB)
📄
mount.nfs4
(114.68 KB)
📄
mountstats
(40.59 KB)
📄
mysqld
(244.14 MB)
📄
mysqld-debug
(165.52 MB)
📄
named
(768.04 KB)
📄
named-checkconf
(32.25 KB)
📄
named-checkzone
(32.06 KB)
📄
named-compilezone
(32.06 KB)
📄
named-journalprint
(11.13 KB)
📄
nameif
(15.32 KB)
📄
netreport
(10.96 KB)
📄
new-kernel-pkg
(24.96 KB)
📄
newusers
(93.45 KB)
📄
nfsdcltrack
(40.11 KB)
📄
nfsidmap
(19.32 KB)
📄
nfsiostat
(23.64 KB)
📄
nfsstat
(29.84 KB)
📄
nl-class-add
(11.7 KB)
📄
nl-class-delete
(11.55 KB)
📄
nl-class-list
(11.48 KB)
📄
nl-classid-lookup
(11.29 KB)
📄
nl-cls-add
(11.76 KB)
📄
nl-cls-delete
(11.68 KB)
📄
nl-cls-list
(11.58 KB)
📄
nl-link-list
(11.52 KB)
📄
nl-pktloc-lookup
(11.36 KB)
📄
nl-qdisc-add
(11.6 KB)
📄
nl-qdisc-delete
(11.54 KB)
📄
nl-qdisc-list
(11.63 KB)
📄
nologin
(7.01 KB)
📄
nscd
(180.02 KB)
📄
nsec3hash
(11.13 KB)
📄
nstat
(23.88 KB)
📄
osd_login
(2.55 KB)
📄
ownership
(15.04 KB)
📄
packer
(11.06 KB)
📄
pam_console_apply
(39.69 KB)
📄
pam_tally2
(15.05 KB)
📄
pam_timestamp_check
(10.97 KB)
📄
paperconfig
(4.07 KB)
📄
parted
(77.22 KB)
📄
partprobe
(11.23 KB)
📄
partx
(86.55 KB)
📄
pdns_server
(98.68 MB)
📄
pidof
(23.17 KB)
📄
ping6
(64.63 KB)
📄
pivot_root
(11.19 KB)
📄
plipconfig
(11.06 KB)
📄
poweroff
(704.8 KB)
📄
ppp-watch
(23.2 KB)
📄
pwck
(51.71 KB)
📄
pwconv
(47.57 KB)
📄
pwhistory_helper
(15.44 KB)
📄
pwunconv
(47.59 KB)
📄
quot
(70.66 KB)
📄
quotacheck
(107.29 KB)
📄
quotaoff
(75.03 KB)
📄
quotaon
(75.03 KB)
📄
quotastats
(14.03 KB)
📄
rdisc
(23.17 KB)
📄
rdma
(73.42 KB)
📄
readprofile
(15.46 KB)
📄
reboot
(704.8 KB)
📄
repquota
(75.16 KB)
📄
request-key
(19.41 KB)
📄
resize2fs
(48.41 KB)
📄
resizepart
(32.36 KB)
📄
restorecon
(27.16 KB)
📄
rmmod
(143.24 KB)
📄
rndc
(35.88 KB)
📄
rndc-confgen
(19.44 KB)
📄
rotatelogs
(53 KB)
📄
route
(66.6 KB)
📄
routef
(173 B)
📄
routel
(1.59 KB)
📄
rpc.gssd
(88.73 KB)
📄
rpc.idmapd
(48.13 KB)
📄
rpc.mountd
(128.91 KB)
📄
rpc.nfsd
(40.2 KB)
📄
rpc.rquotad
(78.95 KB)
📄
rpc.statd
(97.59 KB)
📄
rpcbind
(60.07 KB)
📄
rpcdebug
(18.05 KB)
📄
rpcinfo
(27.3 KB)
📄
rsyslogd
(648.45 KB)
📄
rtacct
(41.93 KB)
📄
rtcwake
(31.96 KB)
📄
rtmon
(48.67 KB)
📄
rtpr
(37 B)
📄
rtstat
(20.09 KB)
📄
runlevel
(704.8 KB)
📄
runq
(1.33 MB)
📄
runuser
(32.21 KB)
📄
safe_finger
(11.08 KB)
📄
sasldblistusers2
(19.26 KB)
📄
saslpasswd2
(15.09 KB)
📄
sefcontext_compile
(60.53 KB)
📄
selabel_digest
(11.17 KB)
📄
selabel_lookup
(11.14 KB)
📄
selabel_lookup_best_match
(11.16 KB)
📄
selabel_partial_match
(11.09 KB)
📄
selinux_restorecon
(15.21 KB)
📄
selinuxconlist
(11.1 KB)
📄
selinuxdefcon
(11.12 KB)
📄
selinuxenabled
(6.98 KB)
📄
selinuxexeccon
(7.09 KB)
📄
semanage
(42.76 KB)
📄
semodule
(23.77 KB)
📄
sendmail
(13.48 KB)
📄
service
(3.17 KB)
📄
sestatus
(15.02 KB)
📄
setcap
(11.13 KB)
📄
setenforce
(7.05 KB)
📄
setfiles
(27.16 KB)
📄
setquota
(83.16 KB)
📄
setsebool
(14.99 KB)
📄
sfdisk
(83.25 KB)
📄
showmount
(19.56 KB)
📄
shutdown
(704.8 KB)
📄
sim_server
(10.97 KB)
📄
slattach
(42.4 KB)
📄
sln
(743.78 KB)
📄
sm-notify
(68.43 KB)
📄
smartctl
(864.48 KB)
📄
smartd
(670.63 KB)
📄
ss
(128.44 KB)
📄
sshd
(836.88 KB)
📄
sshd-keygen
(3.53 KB)
📄
start-statd
(842 B)
📄
suexec
(43.3 KB)
📄
sulogin
(40.53 KB)
📄
sushell
(67 B)
📄
swaplabel
(15.31 KB)
📄
swapoff
(15.53 KB)
📄
swapon
(53.29 KB)
📄
switch_root
(15.35 KB)
📄
sys-unconfig
(184 B)
📄
sysctl
(23.57 KB)
📄
tc
(384.66 KB)
📄
tcpd
(36.62 KB)
📄
tcpdmatch
(40.83 KB)
📄
telinit
(704.8 KB)
📄
tracepath
(15.05 KB)
📄
tracepath6
(15.05 KB)
📄
try-from
(23.47 KB)
📄
tsig-keygen
(19.44 KB)
📄
tune2fs
(69.41 KB)
📄
tuned
(3.29 KB)
📄
tuned-adm
(5.22 KB)
📄
udevadm
(414.27 KB)
📄
umount.nfs
(114.68 KB)
📄
umount.nfs4
(114.68 KB)
📄
unix_chkpwd
(35.42 KB)
📄
unix_update
(35.42 KB)
📄
update-alternatives
(27.61 KB)
📄
update-smart-drivedb
(14.34 KB)
📄
useradd
(134.39 KB)
📄
userdel
(93.5 KB)
📄
usermod
(130.33 KB)
📄
usernetctl
(11.03 KB)
📄
uuserver
(14.97 KB)
📄
vigr
(62.54 KB)
📄
vipw
(62.54 KB)
📄
virt-what
(11.57 KB)
📄
visudo
(200.91 KB)
📄
vmcore-dmesg
(19.28 KB)
📄
vpddecode
(15.33 KB)
📄
weak-modules
(31.9 KB)
📄
whmapi0
(3.02 MB)
📄
whmapi1
(3.02 MB)
📄
whmlogin
(2.33 KB)
📄
wipefs
(28.05 KB)
📄
wpa_cli
(128.06 KB)
📄
wpa_passphrase
(56.79 KB)
📄
wpa_supplicant
(1.93 MB)
📄
xfs_admin
(1.35 KB)
📄
xfs_bmap
(638 B)
📄
xfs_copy
(339.33 KB)
📄
xfs_db
(576.38 KB)
📄
xfs_estimate
(11.16 KB)
📄
xfs_freeze
(767 B)
📄
xfs_fsr
(31.83 KB)
📄
xfs_growfs
(327.2 KB)
📄
xfs_info
(472 B)
📄
xfs_io
(122.68 KB)
📄
xfs_logprint
(355.81 KB)
📄
xfs_mdrestore
(314.81 KB)
📄
xfs_metadump
(747 B)
📄
xfs_mkfile
(1007 B)
📄
xfs_ncheck
(650 B)
📄
xfs_quota
(84.88 KB)
📄
xfs_repair
(563.2 KB)
📄
xfs_rtcp
(15.25 KB)
📄
xqmstats
(14.03 KB)
📄
xtables-multi
(91.52 KB)
📄
yum-complete-transaction
(9.22 KB)
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yumdb
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zramctl
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Editing: weak-modules
#!/bin/bash # # weak-modules - determine which modules are kABI compatible with installed # kernels and set up the symlinks in /lib/*/weak-updates. # unset LANG LC_ALL LC_COLLATE tmpdir=$(mktemp -td ${0##*/}.XXXXXX) trap "rm -rf $tmpdir" EXIT unset ${!changed_modules_*} ${!changed_initramfs_*} unset BASEDIR unset CHECK_INITRAMFS weak_updates_dir_override="" default_initramfs_prefix="/boot" # will be combined with BASEDIR dracut="/sbin/dracut" depmod="/sbin/depmod" depmod_orig="$depmod" declare -a modules declare -A module_krels declare -A weak_modules_before declare -A groups declare -A grouped_modules # output of validate_weak_links, one iteration # short_name -> path declare -A compatible_modules # state for update_modules_for_krel (needed for add_kernel case) # short_name -> path declare -A installed_modules # doit: # A wrapper used whenever we're going to perform a real operation. doit() { [ -n "$verbose" ] && echo "$@" [ -n "$dry_run" ] || "$@" } # pr_verbose: # print verbose -- wrapper used to print extra messages if required pr_verbose() { [ -n "$verbose" ] && echo "$@" } # pr_warning: # print warning pr_warning() { echo "WARNING: $*" } # rpmsort: The sort in coreutils can't sort the RPM list how we want it so we # instead transform the list into a form it will sort correctly, then sort. rpmsort() { local IFS=$' ' REVERSE="" rpmlist=($(cat)) if [ "-r" == "$1" ]; then REVERSE="-r" fi echo ${rpmlist[@]} | \ sed -e 's/-/../g' | \ sort ${REVERSE} -n -t"." -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 -k6,6 -k7,7 \ -k8,8 -k9,9 -k10,10 | \ sed -e 's/\.\./-/g' } # krel_of_module: # Compute the kernel release of a module. krel_of_module() { local module="$1" if [ x"${module_krels[$module]+set}" = x"set" ]; then # version cached in the array already echo "${module_krels[$module]}" elif [ -f "$module" ]; then krel_of_module_modinfo "$module" else # Try to extract the kernel release from the path # delete case, the .ko already deleted set -- "${module#*/lib/modules/}" echo "${1%%/*}" fi } # krel_of_module_modinfo: # Fetches module version from internal module info krel_of_module_modinfo() { local module="$1" /sbin/modinfo -F vermagic "$module" | awk '{print $1}' } # weak_updates_dir: # gives the root directory for the weak-updates # We need some flexibility here because of dry-run. weak_updates_dir() { local krel="$1" if [[ -z "$weak_updates_dir_override" ]]; then echo "$BASEDIR/lib/modules/$krel/weak-updates" else echo "$weak_updates_dir_override" fi } # read_modules_list: # Read in a list of modules from standard input. Convert the filenames into # absolute paths and compute the kernel release for each module (either using # the modinfo section or through the absolute path. # If used with input redirect, should be used as read_module_list < input, # not input | read_modules_list, the latter spawns a subshell # and the arrays are not seen in the caller read_modules_list() { local IFS=$'\n' modules=($(cat)) for ((n = 0; n < ${#modules[@]}; n++)); do if [ ${modules[n]:0:1} != '/' ]; then modules[n]="$PWD/${modules[n]}" fi module_krels["${modules[n]}"]=$(krel_of_module ${modules[n]}) done } decompress_initramfs() { local input=$1 local output=$2 # First, check if this is compressed at all if cpio -i -t < "$input" > /dev/null 2>/dev/null; then # If this archive contains a file early_cpio, it's a trick. Strip off # the early cpio archive and try again. if cpio -i -t < "$input" 2>/dev/null | grep -q '^early_cpio$' ; then /usr/lib/dracut/skipcpio "$input" > "${tmpdir}/post_early_cpio.img" decompress_initramfs "${tmpdir}/post_early_cpio.img" "$output" retval="$?" rm -f "${tmpdir}/post_early_cpio.img" return $retval fi cp "$input" "$output" return 0 fi # Try gzip if gzip -cd < "$input" > "$output" 2>/dev/null ; then return 0 fi # Next try xz if xz -cd < "$input" > "$output" 2>/dev/null ; then return 0 fi echo "Unable to decompress $input: Unknown format" >&2 return 1 } # List all module files and modprobe configuration that could require a new # initramfs. The current directory must be the root of the uncompressed # initramfs. The unsorted list of files is output to stdout. list_module_files() { find . -iname \*.ko -o -iname '*.ko.xz' -o -iname '*.ko.gz' 2>/dev/null find etc/modprobe.d usr/lib/modprobe.d -name \*.conf 2>/dev/null } # read_old_initramfs: compare_initramfs_modules() { local old_initramfs=$1 local new_initramfs=$2 rm -rf "$tmpdir/old_initramfs" rm -rf "$tmpdir/new_initramfs" mkdir "$tmpdir/old_initramfs" mkdir "$tmpdir/new_initramfs" decompress_initramfs "$old_initramfs" "$tmpdir/old_initramfs.img" pushd "$tmpdir/old_initramfs" >/dev/null cpio -i < "$tmpdir/old_initramfs.img" 2>/dev/null rm "$tmpdir/old_initramfs.img" n=0; for i in `list_module_files|sort`; do old_initramfs_modules[n]="$i" n=$((n+1)) done popd >/dev/null decompress_initramfs "$new_initramfs" "$tmpdir/new_initramfs.img" pushd "$tmpdir/new_initramfs" >/dev/null cpio -i < "$tmpdir/new_initramfs.img" 2>/dev/null rm "$tmpdir/new_initramfs.img" n=0; for i in `list_module_files|sort`; do new_initramfs_modules[n]="$i" n=$((n+1)) done popd >/dev/null # Compare the length and contents of the arrays if [ "${#old_initramfs_modules[@]}" == "${#new_initramfs_modules[@]}" -a \ "${old_initramfs_modules[*]}" == "${new_initramfs_modules[*]}" ]; then # If the file lists are the same, compare each file to find any that changed for ((n = 0; n < ${#old_initramfs_modules[@]}; n++)); do if ! cmp "$tmpdir/old_initramfs/${old_initramfs_modules[n]}" \ "$tmpdir/new_initramfs/${new_initramfs_modules[n]}" \ >/dev/null 2>&1 then return 1 fi done else return 1 fi return 0 } # check_initramfs: # check and possibly also update the initramfs for changed kernels check_initramfs() { local kernel=$1 # If there is no initramfs already we will not make one here. if [ -e "$initramfs_prefix/initramfs-$kernel.img" ]; then old_initramfs="$initramfs_prefix/initramfs-$kernel.img" tmp_initramfs="$initramfs_prefix/initramfs-$kernel.tmp" new_initramfs="$initramfs_prefix/initramfs-$kernel.img" $dracut -f "$tmp_initramfs" "$kernel" if ! compare_initramfs_modules "$old_initramfs" "$tmp_initramfs"; then doit mv "$tmp_initramfs" "$new_initramfs" else rm -f "$tmp_initramfs" fi fi } usage() { echo "Usage: ${0##*/} [options] {--add-modules|--remove-modules}" echo "${0##*/} [options] {--add-kernel|--remove-kernel} {kernel-release}" cat <<'EOF' --add-modules Add a list of modules read from standard input. Create symlinks in compatible kernel's weak-updates/ directory. The list of modules is read from standard input. --remove-modules Remove compatibility symlinks from weak-updates/ directories for a list of modules. The list of modules is read from standard input. Note: it doesn't attempt to locate any compatible modules to replace those being removed. --add-kernel Add compatibility symlinks for all compatible modules to the specified or running kernel. --remove-kernel Remove all compatibility symlinks for the specified or current kernel. --no-initramfs Do not generate an initramfs. --verbose Print the commands executed. --dry-run Do not create/remove any files. EOF exit $1 } # module_has_changed: # Mark if an actual change occured that we need to deal with later by calling # depmod or mkinitramfs against the affected kernel. module_has_changed() { declare module=$1 krel=$2 declare orig_module=$module module=${module%.ko} [[ $module == $orig_module ]] && module=${module%.ko.xz} [[ $module == $orig_module ]] && module=${module%.ko.gz} module=${module##*/} eval "changed_modules_${krel//[^a-zA-Z0-9]/_}=$krel" eval "changed_initramfs_${krel//[^a-zA-Z0-9]/_}=$krel" } # module_weak_link: # Generate a weak link path for the module. # Takes module file name and the target kernel release as arguments # The way of generation intentionally left from the initial version module_weak_link() { local module="$1" local krel="$2" local module_krel local subpath module_krel="$(krel_of_module "$module")" subpath=$(echo $module | sed -nre "s:$BASEDIR(/usr)?/lib/modules/$module_krel/([^/]*)/(.*):\3:p") if [[ -z $subpath ]]; then # module is not in /lib/modules/$krel? # It's possible for example for Oracle ACFS compatibility check # Install it with its full path as a /lib/modules subpath subpath="$module" fi echo "$(weak_updates_dir $krel)/${subpath#/}" } # module_short_name: # 'basename' version purely in bash, cuts off path from the filename module_short_name() { echo "${1##*/}" } #### Helper predicates # is_weak_for_module_valid: # Takes real module filename and target kernel as arguments. # Calculates weak symlink filename for the corresponding module # for the target kernel, # returns 'true' if the symlink filename is a symlink # and the symlink points to a readable file # EVEN if it points to a different filename is_weak_for_module_valid() { local module="$1" local krel="$2" local weak_link weak_link="$(module_weak_link $module $krel)" [[ -L "$weak_link" ]] && [[ -r "$weak_link" ]] } # is_weak_link: # Takes a filename and a kernel release. # 'true' if the filename is symlink under weak-updates/ for the kernel. # It doesn't matter, if it's a valid symlink (points to a real file) or not. is_weak_link() { local link="$1" local krel="$2" echo $link | grep -q "$(weak_updates_dir $krel)" || return 1 [[ -L $link ]] } # is_extra_exists: # Takes a module filename, the module's kernel release and target kernel release. # The module filename should be a real, not a symlink, filename (i.e. in extra/). # Returns 'true' if the same module exists for the target kernel. is_extra_exists() { local module="$1" local module_krel="$2" local krel="$3" local subpath="${module#*/lib/modules/$module_krel/extra/}" [[ -f $BASEDIR/lib/modules/$krel/extra/$subpath ]] } is_kernel_installed() { local krel="$1" [[ -f "$BASEDIR/boot/symvers-$krel.gz" ]] } is_empty_file() { local file="$1" [[ "$(wc -l "$file" | cut -f 1 -d ' ')" == 0 ]] } #### Helpers # find_modules: # Takes kernel release and a list of subdirectories. # Produces list of module files in the subdirectories for the kernel find_modules() { local krel="$1" shift local dirs="$*" for dir in $dirs; do find $BASEDIR/lib/modules/$krel/$dir \ -name '*.ko' -o -name '*.ko.xz' -o -name '*.ko.gz' \ 2>/dev/null done } # find_modules_dirs: # Takes a list of directories. # Produces list of module files in the subdirectories find_modules_dirs() { local dirs="$*" for dir in $dirs; do find $dir -name '*.ko' -o -name '*.ko.xz' -o -name '*.ko.gz' \ 2>/dev/null done } # find_installed_kernels: # Produces list of kernels, which modules are still installed find_installed_kernels() { ls $BASEDIR/lib/modules/ } # find_kernels_with_extra: # Produces list of kernels, where exists extra/ directory find_kernels_with_extra() { local krel local extra_dir for krel in $(find_installed_kernels); do extra_dir="$BASEDIR/lib/modules/$krel/extra" [[ -d "$extra_dir" ]] || continue echo "$krel" done } # remove_weak_link_quiet: # Takes symlink filename and target kernel release. # Removes the symlink and the directory tree # if it was the last file in the tree remove_weak_link_quiet() { local link="$1" local krel="$2" local subpath="${link#*$(weak_updates_dir $krel)}" rm -f $link ( cd "$(weak_updates_dir $krel)" && \ rmdir --parents --ignore-fail-on-non-empty "$(dirname "${subpath#/}")" 2>/dev/null ) } # prepare_sandbox: # Takes kernel release, creates temporary weak-modules directory for it # and depmod config to operate on it. # Sets the global state accordingly prepare_sandbox() { local krel="$1" local orig_dir local dir local conf="$tmpdir/depmod.conf" #directory orig_dir=$(weak_updates_dir $krel) dir="$tmpdir/$krel/weak-updates" mkdir -p "$dir" # the orig_dir can be empty cp -R "$orig_dir"/* "$dir" 2>/dev/null weak_updates_dir_override="$dir" #config echo "search external extra built-in weak-updates" >"$conf" echo "external * $dir" >>"$conf" depmod="$depmod_orig -C $conf" } # finish_sandbox: # restore global state after sandboxing # copy configuration to the kernel directory if not dry run finish_sandbox() { local krel="$1" local override="$weak_updates_dir_override" local wa_dir weak_updates_dir_override="" depmod="$depmod_orig" [[ -n "$dry_run" ]] && return wa_dir="$(weak_updates_dir $krel)" rm -rf "$wa_dir" mkdir -p "$wa_dir" cp -R "${override}"/* "$wa_dir" 2>/dev/null } # discard_installed: # remove installed_modules[] from modules[] discard_installed() { local short_name for m in "${!modules[@]}"; do short_name="$(module_short_name "${modules[$m]}")" [[ -z "${installed_modules[$short_name]}" ]] && continue unset "modules[$m]" done } # update_installed: # add compatible_modules[] to installed_modules[] update_installed() { for m in "${!compatible_modules[@]}"; do installed_modules[$m]="${compatible_modules[$m]}" done } #### Main logic # update_modules_for_krel: # Takes kernel release and "action" function name. # Skips kernel without symvers, # otherwise triggers the main logic of modules installing/removing # for the given kernel, which is: # - save current state of weak modules symlinks # - install/remove the symlinks for the given (via stdin) list of modules # - validate the state and remove invalid symlinks # (for the modules, which are not compatible (became incompatible) for # the given kernel) # - check the state after validation to produce needed messages # and trigger initrd regeneration if the list changed. # update_modules_for_krel() { local krel="$1" local func="$2" local force_update="$3" [[ -r "$BASEDIR/boot/symvers-$krel.gz" ]] || return prepare_sandbox $krel global_link_state_save $krel # remove already installed from modules[] discard_installed # do not run heavy validation procedure if no modules to install if [[ "${#modules[@]}" -eq 0 ]]; then finish_sandbox $krel return fi $func $krel if ! validate_weak_links $krel && [[ -z "$force_update" ]]; then global_link_state_restore $krel fi # add compatible to installed update_installed global_link_state_announce_changes $krel finish_sandbox $krel } # update_modules: # Common entry point for add/remove modules command # Takes the "action" function, the module list is supplied via stdin. # Reads the module list and triggers modules update for all installed # kernels. # Triggers initrd rebuild for the kernels, which modules are installed. update_modules() { local func="$1" local force_update="$2" local module_krel declare -a saved_modules read_modules_list || exit 1 [[ ${#modules[@]} -gt 0 ]] || return saved_modules=("${modules[@]}") for krel in $(find_installed_kernels); do update_modules_for_krel $krel $func $force_update modules=("${saved_modules[@]}") installed_modules=() done for module in "${modules[@]}"; do # Module was built against this kernel, update initramfs. module_krel="${module_krels[$module]}" module_has_changed $module $module_krel done } # add_weak_links: # Action function for the "add-modules" command # Takes the kernel release, where the modules are added # and the modules[] and module_krels[] global arrays. # Install symlinks for the kernel with minimal checks # (just filename checks, no symbol checks) add_weak_links() { local krel="$1" local module_krel local weak_link for module in "${modules[@]}"; do module_krel="$(krel_of_module $module)" case "$module" in $BASEDIR/lib/modules/$krel/*) # Module already installed to the current kernel continue ;; esac if is_extra_exists $module $module_krel $krel; then pr_verbose "found $(module_short_name $module) for $krel while installing for $module_krel, update case?" fi if is_weak_for_module_valid $module $krel; then pr_verbose "weak module for $(module_short_name $module) already exists for kernel $krel, update case?" # we should update initrd in update case, # the change is not seen by the symlink detector # (global_link_state_announce_changes()) module_has_changed $module $krel fi weak_link="$(module_weak_link $module $krel)" mkdir -p "$(dirname $weak_link)" ln -sf $module $weak_link done } # remove_weak_links: # Action function for the "remove-modules" command # Takes the kernel release, where the modules are removed # and the modules[] and module_krels[] global arrays. # Removes symlinks from the given kernel if they are installed # for the modules in the list. remove_weak_links() { local krel="$1" local weak_link local target local module_krel for module in "${modules[@]}"; do module_krel="$(krel_of_module $module)" weak_link="$(module_weak_link $module $krel)" target="$(readlink $weak_link)" if [[ "$module" != "$target" ]]; then pr_verbose "Skipping symlink $weak_link" continue fi # In update case the --remove-modules call is performed # after --add-modules (from postuninstall). # So, we shouldn't really remove the symlink in this case. # But in the remove case the actual target already removed. if ! is_weak_for_module_valid "$module" "$krel"; then remove_weak_link_quiet "$weak_link" "$krel" fi done } # validate_weak_links: # Takes kernel release. # Checks if all the weak symlinks are suitable for the given kernel. # Uses depmod to perform the actual symbol checks and parses the output. # Since depmod internally creates the module list in the beginning of its work # accroding to the priority list in its configuration, but without symbol # check and doesn't amend the list during the check, the function runs it # in a loop in which it removes discovered incompatible symlinks # # Returns 0 (success) if proposal is fine or # 1 (false) if some incompatible symlinks were removed # initializes global hashmap compatible_modules with all the valid ones validate_weak_links() { local krel="$1" local basedir=${BASEDIR:+-b $BASEDIR} local tmp declare -A symbols local is_updates_changed=1 local module local module_krel local target local modpath local symbol local weak_link # to return to caller that original proposal is not valid # here 0 is true, 1 is false, since it will be the return code local is_configuration_valid=0 tmp=$(mktemp -p $tmpdir) compatible_modules=() if ! [[ -e $tmpdir/symvers-$krel ]]; then [[ -e $BASEDIR/boot/symvers-$krel.gz ]] || return zcat $BASEDIR/boot/symvers-$krel.gz > $tmpdir/symvers-$krel fi while ((is_updates_changed)); do is_updates_changed=0 # again $tmp because of subshell, see read_modules_list() comment # create incompatibility report by depmod # Shorcut if depmod finds a lot of incompatible modules elsewhere, # we care only about weak-updates $depmod $basedir -naeE $tmpdir/symvers-$krel $krel 2>&1 1>/dev/null | \ grep "$(weak_updates_dir $krel)" 2>/dev/null >$tmp # parse it into symbols[] associative array in form a-la # symbols["/path/to/the/module"]="list of bad symbols" while read line; do set -- $(echo $line | awk '/needs unknown symbol/{print $3 " " $NF}') modpath=$1 symbol=$2 if [[ -n "$modpath" ]]; then symbols[$modpath]="${symbols[$modpath]} $symbol" continue fi set -- $(echo $line | awk '/disagrees about version of symbol/{print $3 " " $NF}') modpath=$1 symbol=$2 if [[ -n "$modpath" ]]; then symbols[$modpath]="${symbols[$modpath]} $symbol" continue fi done < $tmp # loop through all the weak links from the list of incompatible # modules and remove them. Skips non-weak incompatibilities for modpath in "${!symbols[@]}"; do is_weak_link $modpath $krel || continue target=$(readlink $modpath) module_krel=$(krel_of_module $target) remove_weak_link_quiet "$modpath" "$krel" pr_verbose "Module $(module_short_name $modpath) from kernel $module_krel is not compatible with kernel $krel in symbols: ${symbols[$modpath]}" is_updates_changed=1 is_configuration_valid=1 # inversed value done done rm -f $tmp # this loop is just to produce verbose compatibility messages # for the compatible modules for module in "${modules[@]}"; do is_weak_for_module_valid $module $krel || continue weak_link="$(module_weak_link $module $krel)" target="$(readlink $weak_link)" module_krel=$(krel_of_module $target) if [[ "$module" == "$target" ]]; then short_name="$(module_short_name "$module")" compatible_modules+=([$short_name]="$module") pr_verbose "Module ${module##*/} from kernel $module_krel is compatible with kernel $krel" fi done return $is_configuration_valid } # global_link_state_save: # Takes kernel release # Saves the given kernel's weak symlinks state into the global array # weak_modules_before[] for later processing global_link_state_save() { local krel="$1" local link local target weak_modules_before=() for link in $(find_modules_dirs $(weak_updates_dir $krel) | xargs); do target=$(readlink $link) weak_modules_before[$link]=$target done } # global_link_state_restore: # Takes kernel release # Restores the previous weak links state # (for example, if incompatible modules were installed) global_link_state_restore() { local krel="$1" local link local target pr_verbose "Falling back weak-modules state for kernel $krel" ( cd "$(weak_updates_dir $krel)" 2>/dev/null && rm -rf * ) for link in "${!weak_modules_before[@]}"; do target=${weak_modules_before[$link]} mkdir -p "$(dirname $link)" ln -sf $target $link done } # global_link_state_announce_changes: # Takes kernel release # Reads the given kernel's weak symlinks state, compares to the saved, # triggers initrd rebuild if there were changes # and produces message on symlink removal global_link_state_announce_changes() { local krel="$1" local link local target local new_target declare -A weak_modules_after for link in $(find_modules_dirs $(weak_updates_dir $krel) | xargs); do target=${weak_modules_before[$link]} new_target=$(readlink $link) weak_modules_after[$link]=$new_target # report change of existing link and appearing of a new link [[ "$target" == "$new_target" ]] || module_has_changed $new_target $krel done for link in "${!weak_modules_before[@]}"; do target=${weak_modules_before[$link]} new_target=${weak_modules_after[$link]} # report change of existing link and disappearing of an old link [[ "$target" == "$new_target" ]] && continue module_has_changed $target $krel [[ -n "$new_target" ]] || pr_verbose "Removing compatible module $(module_short_name $target) from kernel $krel" done } # remove_modules: # Read in a list of modules from stdinput and process them for removal. # Parameter (noreplace) is deprecated, acts always as "noreplace". # There is no sense in the "replace" functionality since according # to the current requirements RPM will track existing of only one version # of extra/ module (no same extra/ modules for different kernels). remove_modules() { update_modules remove_weak_links force_update } # add_modules: # Read in a list of modules from stdinput and process them for compatibility # with installed kernels under /lib/modules. add_modules() { no_force_update="" update_modules add_weak_links $no_force_update } # do_make_groups: # Takes tmp file which contains preprocessed modules.dep # output (or modules.dep) # # reads modules.dep format information from stdin # produces groups associative array # the group is a maximum subset of modules having at least a link # # more fine tuned extra filtering. do_make_groups() { local tmp="$1" local group_name local mod declare -a mods while read i; do mods=($i) echo "${mods[0]}" |grep -q "extra/" || continue # if the module already met, then its dependencies already counted module_group="${grouped_modules[${mods[0]}]}" [[ -n $module_group ]] && continue # new group group_name="${mods[0]}" for mod in "${mods[@]}"; do echo "$mod" |grep -q "extra/" || continue # if there is already such group, # it is a subset of the one being created # due to depmod output unset groups[$mod] # extra space doesn't matter, since later (in add_kernel()) # it is expanded without quotes groups[$group_name]+=" $mod" grouped_modules[$mod]=$group_name done done < $tmp # avoid subshell } # filter_depmod_deps: # preprocess output for make_groups # depmod -n produces also aliases, so it cuts them off # also it removes colon after the first module cut_depmod_deps() { awk 'BEGIN { pr = 1 } /^#/{ pr = 0 } pr == 1 {sub(":",""); print $0}' } # filter_extra_absoluted: # Takes kernel version # makes full path from the relative module path # (produced by depmod for in-kernel-dir modules) # filter only extra/ modules filter_extra_absoluted() { local kver="$1" local mod declare -a mods while read i; do # skip non-extra. The check is not perfect, but ok # to speed up handling in general cases echo "$i" |grep -q "extra/" || continue mods=($i) for j in "${!mods[@]}"; do mod="${mods[$j]}" [[ ${mod:0:1} == "/" ]] || mod="$BASEDIR/lib/modules/$kver/$mod" mods[$j]="$mod" done echo "${mods[@]}" done } # make_groups: # takes k -- kernel version, we are installing extras from # prepares and feeds to do_make_groups # to create the module groups (global) make_groups() { local k="$1" local tmp2=$(mktemp -p $tmpdir) local basedir=${BASEDIR:+-b $BASEDIR} groups=() grouped_modules=() $depmod -n $basedir $k 2>/dev/null | cut_depmod_deps | filter_extra_absoluted $k > $tmp2 do_make_groups $tmp2 rm -f $tmp2 } add_kernel() { local krel=${1:-$(uname -r)} local tmp local no_force_update="" local num tmp=$(mktemp -p $tmpdir) if [ ! -e "$BASEDIR/boot/symvers-$krel.gz" ]; then echo "Symvers dump file $BASEDIR/boot/symvers-$krel.gz" \ "not found" >&2 exit 1 fi for k in $(find_kernels_with_extra | rpmsort -r); do [[ "$krel" == "$k" ]] && continue find_modules $k extra > $tmp is_empty_file "$tmp" || make_groups $k # reuse tmp # optimization, check independent modules in one run. # first try groups with one element in each. # it means independent modules, so we can safely remove # incompatible links # some cut and paste here echo > $tmp for g in "${groups[@]}"; do num="$(echo "$g" | wc -w)" [ "$num" -gt 1 ] && continue printf '%s\n' $g >> $tmp done # to avoid subshell, see the read_modules_list comment read_modules_list < $tmp update_modules_for_krel $krel add_weak_links force_update for g in "${groups[@]}"; do num="$(echo "$g" | wc -w)" [ "$num" -eq 1 ] && continue printf '%s\n' $g > $tmp read_modules_list < $tmp update_modules_for_krel $krel add_weak_links $no_force_update done done rm -f $tmp } remove_kernel() { remove_krel=${1:-$(uname -r)} weak_modules="$(weak_updates_dir $remove_krel)" module_has_changed $weak_modules $remove_krel # Remove everything beneath the weak-updates directory ( cd "$weak_modules" && doit rm -rf * ) } ################################################################################ ################################## MAIN GUTS ################################### ################################################################################ options=`getopt -o h --long help,add-modules,remove-modules \ --long add-kernel,remove-kernel \ --long dry-run,no-initramfs,verbose,delete-modules \ --long basedir:,dracut:,check-initramfs-prog: -- "$@"` [ $? -eq 0 ] || usage 1 eval set -- "$options" while :; do case "$1" in --add-modules) do_add_modules=1 ;; --remove-modules) do_remove_modules=1 ;; --add-kernel) do_add_kernel=1 ;; --remove-kernel) do_remove_kernel=1 ;; --dry-run) dry_run=1 # --dry-run option is not pure dry run anymore, # because of depmod used internally. # For add/remove modules we have to add/remove the symlinks # and just restore the original configuration afterwards. ;; --no-initramfs) no_initramfs=1 ;; --verbose) verbose=1 ;; --delete-modules) pr_warning "--delete-modules is deprecated, no effect" ;; --basedir) BASEDIR="$2" shift ;; --dracut) dracut="$2" shift ;; --check-initramfs-prog) CHECK_INITRAMFS="$2" shift ;; -h|--help) usage 0 ;; --) shift break ;; esac shift done if [ ! -x "$dracut" ] then echo "weak-modules: this tool requires a dracut-enabled kernel" exit 1 fi initramfs_prefix="$BASEDIR/${default_initramfs_prefix#/}" if [ -n "$do_add_modules" ]; then add_modules elif [ -n "$do_remove_modules" ]; then remove_modules elif [ -n "$do_add_kernel" ]; then kernel=${1:-$(uname -r)} add_kernel $kernel elif [ -n "$do_remove_kernel" ]; then kernel=${1:-$(uname -r)} remove_kernel $kernel exit 0 else usage 1 fi ################################################################################ ###################### CLEANUP POST ADD/REMOVE MODULE/KERNEL ################### ################################################################################ # run depmod and dracut as needed for krel in ${!changed_modules_*}; do krel=${!krel} basedir=${BASEDIR:+-b $BASEDIR} if is_kernel_installed $krel; then doit $depmod $basedir -ae -F $BASEDIR/boot/System.map-$krel $krel else pr_verbose "Skipping depmod for non-installed kernel $krel" fi done for krel in ${!changed_initramfs_*}; do krel=${!krel} if [ ! -n "$no_initramfs" ]; then ${CHECK_INITRAMFS:-check_initramfs} $krel fi done
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