OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	10/21/2019 03:48:12 PM	rwxr-xr-x
📄 a2disconf	15.89 KB	02/23/2021 04:35:16 PM	rwxr-xr-x
📄 a2dismod	15.89 KB	02/23/2021 04:35:16 PM	rwxr-xr-x
📄 a2dissite	15.89 KB	02/23/2021 04:35:16 PM	rwxr-xr-x
📄 a2enconf	15.89 KB	02/23/2021 04:35:16 PM	rwxr-xr-x
📄 a2enmod	15.89 KB	02/23/2021 04:35:16 PM	rwxr-xr-x
📄 a2ensite	15.89 KB	02/23/2021 04:35:16 PM	rwxr-xr-x
📄 a2query	9.64 KB	03/08/2023 05:34:33 PM	rwxr-xr-x
📄 aa-remove-unknown	2.85 KB	06/20/2023 11:51:13 PM	rwxr-xr-x
📄 aa-status	8.41 KB	06/20/2023 11:51:13 PM	rwxr-xr-x
📄 accessdb	10.23 KB	08/04/2018 07:16:12 PM	rwxr-xr-x
📄 acpid	50.84 KB	04/28/2017 04:28:10 AM	rwxr-xr-x
📄 add-shell	860 bytes	12/30/2017 06:15:02 PM	rwxr-xr-x
📄 addgnupghome	3.01 KB	07/04/2022 04:20:59 PM	rwxr-xr-x
📄 addgroup	36.45 KB	12/05/2017 04:57:20 PM	rwxr-xr-x
📄 adduser	36.45 KB	12/05/2017 04:57:20 PM	rwxr-xr-x
📄 apache2	659.69 KB	03/08/2023 05:34:33 PM	rwxr-xr-x
📄 apache2ctl	7.06 KB	03/04/2022 10:48:50 AM	rwxr-xr-x
📄 apachectl	7.06 KB	03/04/2022 10:48:50 AM	rwxr-xr-x
📄 apparmor_status	8.41 KB	06/20/2023 11:51:13 PM	rwxr-xr-x
📄 applygnupgdefaults	2.17 KB	07/04/2022 04:20:59 PM	rwxr-xr-x
📄 arp	61.3 KB	01/10/2017 04:25:08 AM	rwxr-xr-x
📄 arpd	54.03 KB	01/26/2021 01:33:08 PM	rwxr-xr-x
📄 atd	26.01 KB	02/20/2018 06:59:43 AM	rwxr-xr-x
📄 bcache-super-show	13.99 KB	08/05/2020 08:44:05 PM	rwxr-xr-x
📄 biosdecode	18.87 KB	01/27/2020 06:09:10 PM	rwxr-xr-x
📄 check_forensic	952 bytes	04/26/2011 03:10:00 PM	rwxr-xr-x
📄 chgpasswd	57.83 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 chmem	42.08 KB	09/16/2020 06:43:15 PM	rwxr-xr-x
📄 chpasswd	53.86 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 chroot	38.18 KB	01/18/2018 09:43:49 AM	rwxr-xr-x
📄 cpgr	55.96 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 cppw	55.96 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 cron	46.3 KB	05/10/2022 08:59:19 PM	rwxr-xr-x
📄 cryptdisks_start	1.11 KB	08/03/2020 09:28:48 PM	rwxr-xr-x
📄 cryptdisks_stop	1.16 KB	08/03/2020 09:28:48 PM	rwxr-xr-x
📄 delgroup	16.11 KB	12/05/2017 04:57:20 PM	rwxr-xr-x
📄 deluser	16.11 KB	12/05/2017 04:57:20 PM	rwxr-xr-x
📄 dmidecode	106.54 KB	01/27/2020 06:09:10 PM	rwxr-xr-x
📄 dnsmasq	379.6 KB	04/18/2023 08:21:55 AM	rwxr-xr-x
📄 dpkg-preconfigure	3.58 KB	05/06/2019 04:30:30 PM	rwxr-xr-x
📄 dpkg-reconfigure	4.34 KB	05/06/2019 04:30:30 PM	rwxr-xr-x
📄 e2freefrag	14.07 KB	06/02/2022 02:37:00 PM	rwxr-xr-x
📄 e4crypt	22.07 KB	06/02/2022 02:37:00 PM	rwxr-xr-x
📄 e4defrag	25.99 KB	06/02/2022 02:37:00 PM	rwxr-xr-x
📄 escapesrc	22.16 KB	10/19/2021 07:44:28 PM	rwxr-xr-x
📄 faillock	13.99 KB	02/02/2023 09:24:07 AM	rwxr-xr-x
📄 fdformat	30.08 KB	09/16/2020 06:43:15 PM	rwxr-xr-x
📄 filefrag	14.02 KB	06/02/2022 02:37:00 PM	rwxr-xr-x
📄 genccode	10.36 KB	10/19/2021 07:44:28 PM	rwxr-xr-x
📄 gencmn	10.44 KB	10/19/2021 07:44:28 PM	rwxr-xr-x
📄 genl	58.05 KB	01/26/2021 01:33:08 PM	rwxr-xr-x
📄 gennorm2	54.59 KB	10/19/2021 07:44:28 PM	rwxr-xr-x
📄 gensprep	18.5 KB	10/19/2021 07:44:28 PM	rwxr-xr-x
📄 groupadd	61.92 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 groupdel	70.37 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 groupmems	57.87 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 groupmod	68.18 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 grpck	53.8 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 grpconv	49.68 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 grpunconv	49.68 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 grub-install	1003.51 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 grub-macbless	780.84 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 grub-mkconfig	8.03 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 grub-mkdevicemap	207.62 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 grub-probe	793.09 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 grub-reboot	4.73 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 grub-set-default	832 bytes	03/24/2018 12:56:45 AM	rwxr-xr-x
📄 grub-set-default-legacy-ec2	3.13 KB	03/24/2018 12:56:45 AM	rwxr-xr-x
📄 grub-set-default.real	3.47 KB	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 httxt2dbm	9.99 KB	03/08/2023 05:34:33 PM	rwxr-xr-x
📄 iconvconfig	30.25 KB	05/03/2022 10:19:39 AM	rwxr-xr-x
📄 icupkg	18.77 KB	10/19/2021 07:44:28 PM	rwxr-xr-x
📄 init.lxc	38.5 KB	05/05/2023 12:06:12 PM	rwxr-xr-x
📄 init.lxc.static	1005.91 KB	05/05/2023 12:06:12 PM	rwxr-xr-x
📄 invoke-rc.d	15.66 KB	10/25/2017 03:38:42 PM	rwxr-xr-x
📄 ip6tables-apply	6.85 KB	05/09/2023 06:42:18 PM	rwxr-xr-x
📄 iptables-apply	6.85 KB	05/09/2023 06:42:18 PM	rwxr-xr-x
📄 irqbalance	62.68 KB	01/09/2019 10:38:44 AM	rwxr-xr-x
📄 irqbalance-ui	34.06 KB	01/09/2019 10:38:44 AM	rwxr-xr-x
📄 iscsi-iname	9.99 KB	04/06/2022 07:19:56 PM	rwxr-xr-x
📄 iscsi_discovery	5.16 KB	09/29/2016 06:33:24 PM	rwxr-xr-x
📄 iscsid	398.15 KB	04/06/2022 07:19:56 PM	rwxr-xr-x
📄 iscsistart	358.13 KB	04/06/2022 07:19:56 PM	rwxr-xr-x
📄 ldattach	30.08 KB	09/16/2020 06:43:15 PM	rwxr-xr-x
📄 locale-gen	4.3 KB	12/07/2020 04:38:09 PM	rwxr-xr-x
📄 logrotate	74.09 KB	08/21/2017 11:01:27 PM	rwxr-xr-x
📄 luksformat	3.32 KB	08/03/2020 09:28:48 PM	rwxr-xr-x
📄 maidag	69.88 KB	11/07/2017 09:06:00 PM	rwxr-xr-x
📄 make-bcache	18.07 KB	08/05/2020 08:44:05 PM	rwxr-xr-x
📄 make-ssl-cert	3.78 KB	04/28/2017 07:58:22 PM	rwxr-xr-x
📄 mkinitramfs	10.89 KB	07/01/2021 01:11:48 PM	rwxr-xr-x
📄 mklost+found	9.99 KB	06/02/2022 02:37:00 PM	rwxr-xr-x
📄 mysqld	23.16 MB	04/23/2023 02:08:47 PM	rwxr-xr-x
📄 netplan	798 bytes	09/07/2021 03:19:37 PM	rwxr-xr-x
📄 newusers	82.39 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 nfnl_osf	13.99 KB	05/09/2023 06:42:18 PM	rwxr-xr-x
📄 nologin	5.99 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 overlayroot-chroot	2.45 KB	09/20/2018 01:29:41 PM	rwxr-xr-x
📄 ownership	10.13 KB	01/27/2020 06:09:10 PM	rwxr-xr-x
📄 pam-auth-update	19.38 KB	07/21/2020 11:40:59 PM	rwxr-xr-x
📄 pam_getenv	2.82 KB	08/23/2018 11:37:53 PM	rwxr-xr-x
📄 pam_timestamp_check	9.99 KB	02/02/2023 09:24:07 AM	rwxr-xr-x
📄 paperconfig	4.07 KB	04/28/2017 05:17:56 AM	rwxr-xr-x
📄 php-fpm7.2	4.65 MB	02/23/2023 01:29:25 PM	rwxr-xr-x
📄 phpdismod	7.11 KB	01/17/2018 11:50:00 PM	rwxr-xr-x
📄 phpenmod	7.11 KB	01/17/2018 11:50:00 PM	rwxr-xr-x
📄 phpquery	6.24 KB	01/17/2018 11:50:00 PM	rwxr-xr-x
📄 popcon-largest-unused	543 bytes	02/22/2018 05:15:22 AM	rwxr-xr-x
📄 popularity-contest	4.92 KB	02/22/2018 05:15:22 AM	rwxr-xr-x
📄 postalias	17.99 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postcat	18.06 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postconf	179.47 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postdrop	14.12 KB	08/12/2021 12:43:19 PM	r-xr-xr-x
📄 postfix	14.07 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postfix-add-filter	4.9 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postfix-add-policy	3.83 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postkick	9.99 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postlock	9.99 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postlog	10.15 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postmap	17.99 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postmulti	26.38 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 postqueue	22.07 KB	08/12/2021 12:43:19 PM	r-xr-xr-x
📄 postsuper	22.32 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 posttls-finger	34.09 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 pwck	49.8 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 pwconv	45.7 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 pwunconv	45.68 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 qmqp-sink	13.99 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 qmqp-source	18.01 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 qshape	12.55 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 readprofile	18.11 KB	09/16/2020 06:43:15 PM	rwxr-xr-x
📄 remove-shell	904 bytes	12/30/2017 06:15:02 PM	rwxr-xr-x
📄 rmail	13.99 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 rmt	58.39 KB	02/15/2023 02:55:10 PM	rwxr-xr-x
📄 rmt-tar	58.39 KB	02/15/2023 02:55:10 PM	rwxr-xr-x
📄 rsyslogd	668.54 KB	05/03/2022 09:20:37 AM	rwxr-xr-x
📄 rtcwake	42.08 KB	09/16/2020 06:43:15 PM	rwxr-xr-x
📄 sendmail	26.15 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 service	9.04 KB	10/25/2017 03:38:42 PM	rwxr-xr-x
📄 setvesablank	14.07 KB	01/22/2018 01:49:48 PM	rwxr-xr-x
📄 slapacl	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapadd	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapauth	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapcat	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapd	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapdn	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapindex	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slappasswd	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slapschema	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 slaptest	1.2 MB	05/12/2022 01:52:38 PM	rwxr-xr-x
📄 smtp-sink	30.93 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 smtp-source	22.02 KB	08/12/2021 12:43:19 PM	rwxr-xr-x
📄 split-logfile	2.36 KB	03/08/2023 05:34:33 PM	rwxr-xr-x
📄 sshd	772.41 KB	03/30/2022 01:17:14 PM	rwxr-xr-x
📄 tarcat	936 bytes	02/15/2023 02:55:10 PM	rwxr-xr-x
📄 tcpdump	999.6 KB	02/10/2023 06:11:16 PM	rwxr-xr-x
📄 tzconfig	106 bytes	04/03/2023 11:03:22 AM	rwxr-xr-x
📄 ufw	4.82 KB	10/25/2021 05:30:24 PM	rwxr-xr-x
📄 update-ca-certificates	5.27 KB	05/18/2023 01:09:37 PM	rwxr-xr-x
📄 update-grub	64 bytes	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 update-grub-legacy-ec2	43.96 KB	03/24/2018 12:56:45 AM	rwxr-xr-x
📄 update-grub2	64 bytes	02/01/2023 05:49:01 PM	rwxr-xr-x
📄 update-gsfontmap	450 bytes	04/13/2023 01:09:22 PM	rwxr-xr-x
📄 update-icon-caches	596 bytes	04/02/2019 03:46:36 PM	rwxr-xr-x
📄 update-info-dir	1.66 KB	02/05/2018 02:48:18 PM	rwxr-xr-x
📄 update-initramfs	8.04 KB	03/18/2021 06:48:17 PM	rwxr-xr-x
📄 update-java-alternatives	3.09 KB	01/06/2017 12:03:20 PM	rwxr-xr-x
📄 update-locale	2.99 KB	05/03/2022 04:27:41 AM	rwxr-xr-x
📄 update-mime	8.84 KB	07/15/2016 12:06:12 PM	rwxr-xr-x
📄 update-passwd	30.41 KB	09/12/2017 09:48:16 PM	rwxr-xr-x
📄 update-pciids	2.84 KB	02/10/2019 06:25:12 PM	rwxr-xr-x
📄 update-rc.d	16.12 KB	10/25/2017 03:38:42 PM	rwxr-xr-x
📄 update-secureboot-policy	7.43 KB	01/31/2023 11:57:37 AM	rwxr-xr-x
📄 update-usbids	1.05 KB	04/21/2017 08:59:17 PM	rwxr-xr-x
📄 useradd	123.28 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 userdel	82.48 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 usermod	123.06 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 uuidd	34.16 KB	09/16/2020 06:43:15 PM	rwxr-xr-x
📄 validlocale	1.73 KB	12/07/2020 04:38:09 PM	rwxr-xr-x
📄 vcstime	9.99 KB	01/22/2018 01:49:48 PM	rwxr-xr-x
📄 vigr	60.18 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 vipw	60.18 KB	11/29/2022 12:25:19 PM	rwxr-xr-x
📄 visudo	208.8 KB	04/04/2023 12:44:58 PM	rwxr-xr-x
📄 vpddecode	14.27 KB	01/27/2020 06:09:10 PM	rwxr-xr-x
📄 xfs_admin	1.35 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_bmap	638 bytes	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_copy	394.31 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_db	667.63 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_estimate	10.01 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_freeze	767 bytes	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_fsr	30.02 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_growfs	382.27 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_info	472 bytes	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_io	130.93 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_logprint	414.27 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_mdrestore	370.28 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_metadump	747 bytes	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_mkfile	1007 bytes	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_ncheck	650 bytes	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_quota	86.01 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 xfs_rtcp	13.99 KB	04/18/2018 06:44:31 AM	rwxr-xr-x
📄 zerofree	9.99 KB	11/14/2016 02:44:00 PM	rwxr-xr-x
📄 zic	54.14 KB	05/03/2022 10:19:39 AM	rwxr-xr-x

Editing: update-initramfs

#!/bin/sh

STATEDIR=/var/lib/initramfs-tools
BOOTDIR=/boot
CONF=/etc/initramfs-tools/update-initramfs.conf
mode=""
version=""
update_initramfs=yes
backup_initramfs=no

set -e

[ -r ${CONF} ] && . ${CONF}

case "$DPKG_MAINTSCRIPT_PACKAGE" in
linux-image-*)
	if [ -z "$INITRAMFS_TOOLS_KERNEL_HOOK" ]; then
		# kernel maintainer script called us directly; ignore
		# it and let the hook script handle it instead
		echo "update-initramfs: deferring update (hook will be called later)"
		exit 0
	fi
	;;
?*)
	if	   [ $# = 1 ]						\
		&& [ x"$1" = x-u ]					\
		&& dpkg-trigger --check-supported 2>/dev/null
	then
		if dpkg-trigger --no-await update-initramfs; then
			echo "update-initramfs: deferring update (trigger activated)"
			exit 0
		fi
	fi
	;;
esac

usage()
{
	if [ -n "${1:-}" ]; then
		printf "${*}\n\n" >&2
	fi
	cat >&2 << EOF
Usage: ${0} [OPTION]...

Options:
 -k version	Specify kernel version or 'all'
 -c		Create a new initramfs
 -u		Update an existing initramfs
 -d		Remove an existing initramfs
 -t		Take over a custom initramfs with this one
 -b directory	Set alternate boot directory
 -v		Be verbose
 -h		This message

EOF
	exit 1
}

mild_panic()
{
	if [ -n "${1:-}" ]; then
		printf "${*}\n" >&2
	fi
	exit 0
}

panic()
{
	if [ -n "${1:-}" ]; then
		printf "${*}\n" >&2
	fi
	exit 1
}

verbose()
{
	if [ "${verbose}" = 1 ]; then
		printf "${*}\n"
	fi
}

version_exists()
{
	[ -e "${STATEDIR}/${1}" ] && [ -e "${initramfs}" ]
	return $?
}

set_initramfs()
{
	initramfs="${BOOTDIR}/initrd.img-${version}"
}

# backup initramfs while running
backup_initramfs()
{
	[ ! -r "${initramfs}" ] && return 0
	initramfs_bak="${initramfs}.dpkg-bak"
	[ -r "${initramfs_bak}" ] && rm -f "${initramfs_bak}"
	ln -f "${initramfs}" "${initramfs_bak}" \
		|| cp -a "${initramfs}" "${initramfs_bak}"
	verbose "Keeping ${initramfs_bak}"
}

# keep booted initramfs
backup_booted_initramfs()
{
	initramfs_bak="${initramfs}.dpkg-bak"

# first time run thus no backup
	[ ! -r "${initramfs_bak}" ] && return 0

# chroot with no /proc
	[ ! -r /proc/uptime ] && rm -f "${initramfs_bak}" && return 0

# no kept backup wanted
	[ "${backup_initramfs}" = "no" ] && rm -f "${initramfs_bak}" && return 0

# no backup yet
	if [ ! -r "${initramfs}.bak" ]; then
		mv -f ${initramfs_bak} "${initramfs}.bak"
		verbose "Backup ${initramfs}.bak"
		return 0
	fi

# keep booted initramfs
	boot_initramfs=
	uptime_days=$(awk '{printf "%d", $1 / 3600 / 24}' /proc/uptime)
	if [ -n "$uptime_days" ]; then
		boot_initramfs=$(find "${initramfs}.bak" -mtime +${uptime_days})
	fi
	if [ -n "${boot_initramfs}" ]; then
		mv -f "${initramfs_bak}" "${initramfs}.bak"
		verbose "Backup ${initramfs}.bak"
		return 0
	fi
	verbose "Removing current backup ${initramfs_bak}"
	rm -f ${initramfs_bak}
}

# nuke generated copy
remove_initramfs_bak()
{
	[ -z "${initramfs_bak:-}" ] && return 0
	rm -f "${initramfs_bak}"
	verbose "Removing ${initramfs_bak}"
}

generate_initramfs()
{
	echo "update-initramfs: Generating ${initramfs}"
	OPTS="-o"
	if [ "${verbose}" = 1 ]; then
		OPTS="-v ${OPTS}"
	fi
	if mkinitramfs ${OPTS} "${initramfs}.new" "${version}"; then
		mv -f "${initramfs}.new" "${initramfs}"
		set_sha1
		# Guard against an unclean shutdown
		sync -f "${initramfs}"
	else
		mkinitramfs_return="$?"
		remove_initramfs_bak
		rm -f "${initramfs}.new"
		echo "update-initramfs: failed for ${initramfs} with $mkinitramfs_return." >&2
		exit $mkinitramfs_return
	fi
}

# Invoke bootloader
run_bootloader()
{
	# invoke policy conformant bootloader hooks
	if [ -d /etc/initramfs/post-update.d/ ]; then
		run-parts --arg=${version} --arg=${initramfs} \
			/etc/initramfs/post-update.d/
		return 0
	fi
}

compare_sha1()
{
	sha1sum "${initramfs}" | diff "${STATEDIR}/${version}" - >/dev/null 2>&1
	return $?
}

# Note that this must overwrite so that updates work.
set_sha1()
{
	sha1sum "${initramfs}" > "${STATEDIR}/${version}"
}

delete_sha1()
{
	rm -f "${STATEDIR}/${version}"
}

# ro /boot is not modified
ro_boot_check()
{
	# check irrelevant inside of a chroot
	if [ ! -r /proc/mounts ] || ischroot; then
		return 0
	fi

boot_opts=$(awk '/boot/{if ((match($4, /^ro/) || match($4, /,ro/)) \
		&& $2 == "/boot") print "ro"}' /proc/mounts)
	if [ -n "${boot_opts}" ]; then
		echo "WARNING: /boot is ro mounted."
		echo "update-initramfs: Not updating ${initramfs}"
		exit 0
	fi
}

get_sorted_versions()
{
	version_list="$(ls -1 "${STATEDIR}" | linux-version sort --reverse)"

verbose "Available versions: ${version_list}"
}

set_current_version()
{
	if [ -f /boot/initrd.img-`uname -r` ]; then
		version=`uname -r`
	fi
}

set_linked_version()
{
	linktarget=
	if [ -e /initrd.img ] && [ -L /initrd.img ]; then
		linktarget="$(basename "$(readlink /initrd.img)")"
	fi

if [ -e /boot/initrd.img ] && [ -L /boot/initrd.img ]; then
		linktarget="$(basename "$(readlink /boot/initrd.img)")"
	fi

if [ -z "${linktarget}" ]; then
		return
	fi

version="${linktarget##initrd.img-}"
}

set_highest_version()
{
	get_sorted_versions
	if [ -z "${version_list}" ]; then
		version=
		return
	fi
	set -- ${version_list}
	version=${1}
}

create()
{
	if [ -z "${version}" ]; then
		usage "Create mode requires a version argument"
	fi

set_initramfs

if [ "${takeover}" = 0 ]; then
		if version_exists "${version}"; then
			panic "Cannot create version ${version}: already exists"
		fi

if [ -e "${initramfs}" ]; then
			panic "${initramfs} already exists, cannot create."
		fi
	fi

generate_initramfs

run_bootloader
}

update()
{
	if [ "${update_initramfs}" = "no" ]; then
		echo "update-initramfs: Not updating initramfs."
		exit 0
	fi

if [ -z "${version}" ]; then
		set_highest_version
	fi

if [ -z "${version}" ]; then
		set_linked_version
	fi

if [ -z "${version}" ]; then
		set_current_version
	fi

if [ -z "${version}" ]; then
		verbose "Nothing to do, exiting."
		exit 0
	fi

set_initramfs

ro_boot_check

altered_check

backup_initramfs

generate_initramfs

run_bootloader

backup_booted_initramfs
}

delete()
{
	if [ -z "${version}" ]; then
		usage "Delete mode requires a version argument"
	fi

set_initramfs

if [ "${takeover}" = 0 ]; then
		if [ ! -e "${initramfs}" ]; then
			panic "Cannot delete ${initramfs}, doesn't exist."
		fi

if ! version_exists "${version}"; then
			panic "Cannot delete version ${version}: Not created by this utility."
		fi
	fi

altered_check

echo "update-initramfs: Deleting ${initramfs}"

delete_sha1

rm -f "${initramfs}" "${initramfs}.bak"
}

# Check for update mode on existing and modified initramfs
altered_check()
{
	# No check on takeover
	[ "${takeover}" = 1 ] && return 0
	if [ ! -e "${initramfs}" ]; then
		mild_panic "${initramfs} does not exist. Cannot update."
	fi
	if ! compare_sha1; then
		echo "update-initramfs: ${initramfs} has been altered." >&2
		mild_panic "update-initramfs: Cannot update. Override with -t option."
	fi
}

# Defaults
verbose=0
yes=0
# We default to takeover=1 in Ubuntu, but not Debian
takeover=1

while getopts "k:cudyvtb:h?" flag; do
	case "${flag}" in
	k)
		version="${OPTARG}"
		;;
	c)
		mode="c"
		;;
	d)
		mode="d"
		;;
	u)
		mode="u"
		;;
	v)
		verbose="1"
		;;
	y)
		yes="1"
		;;
	t)
		takeover="1"
		;;
	b)
		BOOTDIR="${OPTARG}"
		if [ ! -d "${BOOTDIR}" ]; then
			echo "Error: ${BOOTDIR} is not a directory." >&2
			exit 1
		fi
		;;
	h|?)
		usage
		;;
	esac
done

shift $((${OPTIND} - 1))

if [ $# -ne 0 ]; then
	printf "Extra argument '%s'\n\n" "$1" >&2
	usage
fi

# Validate arguments
if [ -z "${mode}" ]; then
	usage "You must specify at least one of -c, -u, or -d."
fi

if [ "${version}" = "all" ] \
	|| ( [ "${update_initramfs}" = "all" ] && [ -z "${version}" ] ); then
	: FIXME check for --yes, and if not ask are you sure
	get_sorted_versions
	if [ -z "${version_list}" ]; then
		verbose "Nothing to do, exiting."
		exit 0
	fi

OPTS="-b ${BOOTDIR}"
	if [ "${verbose}" = "1" ]; then
		OPTS="${OPTS} -v"
	fi
	if [ "${takeover}" = "1" ]; then
		OPTS="${OPTS} -t"
	fi
	if [ "${yes}" = "1" ]; then
		OPTS="${OPTS} -y"
	fi
	for u_version in ${version_list}; do
		verbose "Execute: ${0} -${mode} -k \"${u_version}\" ${OPTS}"
		"${0}" -${mode} -k "${u_version}" ${OPTS}
	done
	exit 0
fi

case "${mode}" in
	c)
		create
		;;
	d)
		delete
		;;
	u)
		update
		;;
esac