OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	10/02/2024 07:52:54 PM	rwxr-xr-x
📄 2to3-3.5	96 bytes	09/30/2024 02:20:29 PM	rwxr-xr-x
📄 [	50.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 aa-enabled	22.16 KB	06/29/2023 11:30:47 AM	rwxr-xr-x
📄 abootimg	18.27 KB	07/28/2011 06:29:01 AM	rwxr-xr-x
📄 abootimg-pack-initrd	362 bytes	07/28/2011 06:29:00 AM	rwxr-xr-x
📄 abootimg-unpack-initrd	272 bytes	07/28/2011 06:29:00 AM	rwxr-xr-x
📄 addpart	18.45 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 arch	30.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 awk	642.72 KB	09/11/2023 06:21:20 PM	rwxr-xr-x
📄 base32	38.73 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 base64	38.73 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 basename	30.67 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 bashbug	6.79 KB	04/19/2022 01:41:38 PM	rwxr-xr-x
📄 bootctl	74.44 KB	03/03/2023 04:27:52 AM	rwxr-xr-x
📄 busctl	363.21 KB	03/03/2023 04:27:51 AM	rwxr-xr-x
📄 c_rehash	6.05 KB	03/12/2024 01:38:19 PM	rwxr-xr-x
📄 captoinfo	70.71 KB	03/06/2024 05:01:28 PM	rwxr-xr-x
📄 catchsegv	3.26 KB	05/08/2024 03:46:54 PM	rwxr-xr-x
📄 cautious-launcher	853 bytes	10/30/2015 03:39:30 PM	rwxr-xr-x
📄 cgm	17.99 KB	01/18/2016 06:55:49 PM	rwxr-xr-x
📄 chacl	13.99 KB	04/21/2017 08:44:54 PM	rwxr-xr-x
📄 chage	60.88 KB	02/07/2024 10:59:49 AM	rwxr-xr-x
📄 chardet3	309 bytes	02/10/2016 05:12:09 PM	rwxr-xr-x
📄 chardetect3	309 bytes	02/10/2016 05:12:09 PM	rwxr-xr-x
📄 chattr	10.34 KB	06/03/2022 08:47:31 PM	rwxr-xr-x
📄 chcon	62.92 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 chfn	70.14 KB	02/07/2024 10:59:49 AM	rwxr-xr-x
📄 chrt	26.67 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 chsh	39.48 KB	02/07/2024 10:59:49 AM	rwxr-xr-x
📄 ckbcomp	144.19 KB	04/10/2019 09:25:58 PM	rwxr-xr-x
📄 cksum	30.67 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 clear	6.08 KB	03/06/2024 05:01:28 PM	rwxr-xr-x
📄 clear_console	10.27 KB	04/19/2022 01:41:45 PM	rwxr-xr-x
📄 cloud-id	310 bytes	04/25/2023 09:28:48 PM	rwxr-xr-x
📄 cloud-init	314 bytes	04/25/2023 09:28:48 PM	rwxr-xr-x
📄 cloud-init-per	2.06 KB	03/19/2021 02:37:22 PM	rwxr-xr-x
📄 cmp	42.67 KB	12/26/2015 11:11:28 PM	rwxr-xr-x
📄 codepage	10.29 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
📄 comm	34.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 compose	17.55 KB	10/30/2015 03:39:30 PM	rwxr-xr-x
📄 console-conf	2.86 KB	01/25/2017 10:18:22 PM	rwxr-xr-x
📄 crontab	35.23 KB	05/10/2022 10:15:25 PM	rwxr-xr-x
📄 csplit	46.86 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 ctstat	18.68 KB	04/16/2019 12:37:11 PM	rwxr-xr-x
📄 cut	38.8 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 dbus-cleanup-sockets	9.98 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 dbus-daemon	218.95 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 dbus-monitor	21.99 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 dbus-run-session	9.98 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 dbus-send	21.98 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 dbus-update-activation-environment	13.98 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 dbus-uuidgen	9.98 KB	09/14/2023 10:58:48 AM	rwxr-xr-x
📄 deallocvt	10.3 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
📄 deb-systemd-helper	17.99 KB	02/29/2016 12:24:38 PM	rwxr-xr-x
📄 deb-systemd-invoke	4.37 KB	02/29/2016 12:24:38 PM	rwxr-xr-x
📄 debconf	2.79 KB	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 debconf-apt-progress	11.27 KB	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 debconf-communicate	608 bytes	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 debconf-copydb	1.68 KB	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 debconf-escape	647 bytes	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 debconf-set-selections	2.87 KB	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 debconf-show	1.78 KB	05/08/2019 06:33:33 PM	rwxr-xr-x
📄 delpart	18.45 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 dh_bash-completion	2.49 KB	08/18/2015 07:47:29 PM	rwxr-xr-x
📄 dh_pypy	11.71 KB	08/16/2019 12:59:18 AM	rwxr-xr-x
📄 dh_python3	11.91 KB	08/16/2019 12:59:18 AM	rwxr-xr-x
📄 diff	123.08 KB	12/26/2015 11:11:28 PM	rwxr-xr-x
📄 diff3	54.86 KB	12/26/2015 11:11:28 PM	rwxr-xr-x
📄 dircolors	38.71 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 dirname	30.67 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 dotlockfile	14.51 KB	12/07/2013 03:08:22 AM	rwxr-xr-x
📄 dpkg-deb	131.43 KB	05/27/2022 10:37:03 AM	rwxr-xr-x
📄 du	119.17 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 dumpimage	139.06 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 dumpkeys	166.52 KB	01/22/2018 01:49:48 PM	rwxr-xr-x
📄 ec2metadata	7.12 KB	09/29/2020 06:17:10 PM	rwxr-xr-x
📄 edit	17.55 KB	10/30/2015 03:39:30 PM	rwxr-xr-x
📄 editor	1.02 MB	09/25/2024 07:47:37 AM	rwxr-xr-x
📄 env	30.67 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 envsubst	34.51 KB	11/07/2018 06:33:51 PM	rwxr-xr-x
📄 ex	1.02 MB	09/25/2024 07:47:37 AM	rwxr-xr-x
📄 expand	30.73 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 expiry	22.23 KB	02/07/2024 10:59:49 AM	rwxr-xr-x
📄 expr	38.73 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 factor	70.77 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 faillog	18.25 KB	02/07/2024 10:59:50 AM	rwxr-xr-x
📄 fallocate	22.56 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 finalrd	2.1 KB	09/17/2020 05:03:45 PM	rwxr-xr-x
📄 find	216.57 KB	02/07/2016 11:18:24 PM	rwxr-xr-x
📄 flock	26.71 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 fmt	38.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 fold	34.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 free	18.37 KB	11/01/2023 07:23:48 AM	rwxr-xr-x
📄 fw_printenv	36.29 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 fw_setenv	36.29 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 fwupdate	13.99 KB	01/18/2018 08:25:49 AM	rwxr-xr-x
📄 gawk	642.72 KB	09/11/2023 06:21:20 PM	rwxr-xr-x
📄 gdbserver	408.53 KB	06/18/2024 06:21:58 AM	rwxr-xr-x
📄 getconf	22.41 KB	05/08/2024 03:49:57 PM	rwxr-xr-x
📄 getent	27.3 KB	05/08/2024 03:49:57 PM	rwxr-xr-x
📄 getfacl	22.62 KB	04/21/2017 08:44:54 PM	rwxr-xr-x
📄 getkeycodes	10.3 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
📄 getopt	14.43 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 gettext	34.48 KB	11/07/2018 06:33:51 PM	rwxr-xr-x
📄 gettext.sh	4.52 KB	11/07/2018 06:33:51 PM	rwxr-xr-x
📄 gpasswd	73.54 KB	02/07/2024 10:59:49 AM	rwxr-xr-x
📄 gpg	984.87 KB	07/12/2022 12:13:08 AM	rwxr-xr-x
📄 gpg-zip	3.23 KB	07/12/2022 12:13:07 AM	rwxr-xr-x
📄 gpgsplit	58.76 KB	07/12/2022 12:13:08 AM	rwxr-xr-x
📄 gpgv	363.63 KB	07/12/2022 12:13:08 AM	rwxr-xr-x
📄 groups	30.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 growpart	20.99 KB	09/29/2020 06:17:10 PM	rwxr-xr-x
📄 grub-editenv	228.78 KB	04/30/2021 04:02:29 PM	rwxr-xr-x
📄 head	38.73 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 helpztags	2.46 KB	04/08/2016 11:39:52 AM	rwxr-xr-x
📄 hostid	26.64 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 hostnamectl	287.2 KB	03/03/2023 04:27:52 AM	rwxr-xr-x
📄 i386	14.38 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 iconv	59 KB	05/08/2024 03:49:57 PM	rwxr-xr-x
📄 id	38.83 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 igawk	3.11 KB	09/11/2023 06:21:18 PM	rwxr-xr-x
📄 infocmp	54.57 KB	03/06/2024 05:01:28 PM	rwxr-xr-x
📄 infotocap	70.71 KB	03/06/2024 05:01:28 PM	rwxr-xr-x
📄 install	135.59 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 ionice	22.59 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 ipcmk	22.69 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 ipcrm	26.54 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 ipcs	46.71 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 iptables-xml	92.74 KB	05/09/2023 06:42:18 PM	rwxr-xr-x
📄 ischroot	10.34 KB	01/26/2016 06:17:55 PM	rwxr-xr-x
📄 join	46.77 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 jsondiff	976 bytes	11/27/2015 02:19:18 PM	rwxr-xr-x
📄 jsonpatch	3.58 KB	11/27/2015 02:19:18 PM	rwxr-xr-x
📄 jsonpointer	1.31 KB	10/24/2015 05:34:42 AM	rwxr-xr-x
📄 jwt3	288 bytes	08/29/2017 06:41:38 PM	rwxr-xr-x
📄 kbdinfo	10.31 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
📄 kwboot	14.33 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 last	38.84 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lastb	38.84 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lastlog	14.03 KB	02/07/2024 10:59:50 AM	rwxr-xr-x
📄 lcf	7.6 KB	03/16/2016 08:58:51 PM	rwxr-xr-x
📄 ldd	5.3 KB	05/08/2024 03:46:59 PM	rwxr-xr-x
📄 less	166.76 KB	12/01/2017 04:11:09 AM	rwxr-xr-x
📄 lessecho	10.02 KB	12/01/2017 04:11:09 AM	rwxr-xr-x
📄 lessfile	8.36 KB	12/01/2017 04:11:09 AM	rwxr-xr-x
📄 lesskey	19.39 KB	12/01/2017 04:11:09 AM	rwxr-xr-x
📄 lesspipe	8.36 KB	12/01/2017 04:11:09 AM	rwxr-xr-x
📄 line	10.32 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 link	26.64 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 linux-check-removal	3.99 KB	03/18/2020 11:32:20 AM	rwxr-xr-x
📄 linux-update-symlinks	6.17 KB	03/18/2020 11:32:20 AM	rwxr-xr-x
📄 linux-version	2.63 KB	03/18/2020 11:32:20 AM	rwxr-xr-x
📄 linux32	14.38 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 linux64	14.38 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lnstat	18.68 KB	04/16/2019 12:37:11 PM	rwxr-xr-x
📄 loadkeys	206.57 KB	01/22/2018 01:49:48 PM	rwxr-xr-x
📄 loadunimap	26.66 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
📄 locale	37.91 KB	05/08/2024 03:49:57 PM	rwxr-xr-x
📄 localectl	295.22 KB	03/03/2023 04:27:51 AM	rwxr-xr-x
📄 localedef	315.71 KB	05/08/2024 03:49:57 PM	rwxr-xr-x
📄 lockfile-check	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 lockfile-create	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 lockfile-remove	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 lockfile-touch	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 logger	35.35 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 logname	26.67 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 lsattr	10.33 KB	06/03/2022 08:47:31 PM	rwxr-xr-x
📄 lscpu	55.12 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lsinitramfs	2.43 KB	10/07/2019 10:53:35 AM	rwxr-xr-x
📄 lsipc	59 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lslocks	31.09 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lslogins	51.15 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 lspgpot	1.06 KB	06/25/2014 04:17:29 PM	rwxr-xr-x
📄 lzcat	67.11 KB	04/11/2022 07:08:39 PM	rwxr-xr-x
📄 lzcmp	5.39 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 lzdiff	5.39 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 lzegrep	5.56 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 lzfgrep	5.56 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 lzgrep	5.56 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 lzless	1.78 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 lzma	67.11 KB	04/11/2022 07:08:39 PM	rwxr-xr-x
📄 lzmainfo	10.31 KB	04/11/2022 07:08:39 PM	rwxr-xr-x
📄 lzmore	2.12 KB	04/11/2022 07:08:35 PM	rwxr-xr-x
📄 mail-lock	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 mail-touchlock	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 mail-unlock	14.25 KB	12/03/2012 11:37:50 PM	rwxr-xr-x
📄 mapscrn	18.66 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
📄 mawk	115.01 KB	03/24/2014 09:53:33 AM	rwxr-xr-x
📄 mcookie	26.71 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 md5sum	42.77 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 md5sum.textutils	42.77 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 mesg	10.37 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 mk_modmap	15.78 KB	09/22/2016 05:33:20 PM	rwxr-xr-x
📄 mkenvimage	14.2 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 mkfifo	58.95 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 mkimage	143.06 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 mkknlimg	5.87 KB	06/12/2019 09:45:47 AM	rwxr-xr-x
📄 mksquashfs	174.12 KB	09/15/2021 01:04:44 PM	rwxr-xr-x
📄 mksunxiboot	6.12 KB	06/12/2019 09:45:58 AM	rwxr-xr-x
📄 mkswapfile	865 bytes	10/02/2024 07:41:37 PM	rwxr-xr-x
📄 namei	26.58 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 nawk	642.72 KB	09/11/2023 06:21:20 PM	rwxr-xr-x
📄 newgrp	38.97 KB	02/07/2024 10:59:50 AM	rwxr-xr-x
📄 ngettext	34.5 KB	11/07/2018 06:33:51 PM	rwxr-xr-x
📄 nice	34.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 nl	38.83 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 nohup	30.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 nproc	30.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 nsenter	26.88 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 nstat	22.47 KB	04/16/2019 12:37:11 PM	rwxr-xr-x
📄 numfmt	58.86 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 od	66.83 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 openssl	545.97 KB	03/12/2024 01:38:30 PM	rwxr-xr-x
📄 pager	166.73 KB	04/28/2024 12:17:46 PM	rwxr-xr-x
📄 partx	75.63 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 passwd	52.98 KB	02/07/2024 10:59:49 AM	rwxr-xr-x
📄 paste	30.7 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 pathchk	30.67 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 pdb3	59.56 KB	09/30/2024 02:20:36 PM	rwxr-xr-x
📄 pdb3.5	59.56 KB	09/30/2024 02:20:36 PM	rwxr-xr-x
📄 perl	1.82 MB	05/23/2023 05:16:56 PM	rwxr-xr-x
📄 perl5.22.1	1.82 MB	05/23/2023 05:16:56 PM	rwxr-xr-x
📄 pg	38.91 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 pgrep	26.63 KB	11/01/2023 07:23:47 AM	rwxr-xr-x
📄 pinky	34.86 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 pkill	26.63 KB	11/01/2023 07:23:47 AM	rwxr-xr-x
📄 pldd	14.59 KB	05/08/2024 03:49:57 PM	rwxr-xr-x
📄 plog	146 bytes	01/27/2016 04:19:52 PM	rwxr-xr-x
📄 pmap	30.61 KB	11/01/2023 07:23:48 AM	rwxr-xr-x
📄 poff	2.77 KB	01/27/2016 04:19:52 PM	rwxr-xr-x
📄 pon	1.33 KB	01/27/2016 04:19:52 PM	rwxr-xr-x
📄 pr	74.95 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 print	17.55 KB	10/30/2015 03:39:30 PM	rwxr-xr-x
📄 printenv	30.64 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 printf	46.73 KB	03/02/2017 06:07:22 PM	rwxr-xr-x
📄 prlimit	31.3 KB	06/14/2022 09:28:54 PM	rwxr-xr-x
📄 probert	2.09 KB	02/17/2017 02:26:29 AM	rwxr-xr-x
📄 psfaddtable	18.42 KB	09/22/2016 05:33:23 PM	rwxr-xr-x
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Editing: deb-systemd-helper

#!/usr/bin/env perl
# vim:ts=4:sw=4:expandtab
# © 2013-2014 Michael Stapelberg <stapelberg@debian.org>
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#
#     * Neither the name of Michael Stapelberg nor the
#       names of contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
# .
# THIS SOFTWARE IS PROVIDED BY Michael Stapelberg ''AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL Michael Stapelberg BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=head1 NAME

deb-systemd-helper - subset of systemctl for machines not running systemd

=head1 SYNOPSIS

=head1 DESCRIPTION

B<deb-systemd-helper> is a Debian-specific helper script which re-implements
the enable, disable, is-enabled and reenable commands from systemctl.

The "enable" action will only be performed once (when first installing the
package). On the first "enable", an state file is created which will be deleted
upon "purge".

The "mask" action will keep state on whether the service was enabled/disabled
before and will properly return to that state on "unmask".

The "was-enabled" action is not present in systemctl, but is required in Debian
so that we can figure out whether a service was enabled before we installed an
updated service file. See http://bugs.debian.org/717603 for details.

The "debian-installed" action is also not present in systemctl. It returns 0 if
the state file of at least one of the given units is present.

The "update-state" action is also not present in systemctl. It updates
B<deb-systemd-helper>'s state file, removing obsolete entries (e.g. service
files that are no longer shipped by the package) and adding new entries (e.g.
new service files shipped by the package) without enabling them.

B<deb-systemd-helper> is intended to be used from maintscripts to enable
systemd unit files. It is specifically NOT intended to be used interactively by
users. Instead, users should run systemd and use systemctl, or not bother about
the systemd enabled state in case they are not running systemd.

=head1 ENVIRONMENT

=over 4

=item B<_DEB_SYSTEMD_HELPER_DEBUG>

If you export _DEB_SYSTEMD_HELPER_DEBUG=1, deb-systemd-helper will print debug
messages to stderr (thus visible in dpkg runs). Please include these when
filing a bugreport.

=back

=cut

use strict;
use warnings;
use File::Path qw(make_path); # in core since Perl 5.001
use File::Basename; # in core since Perl 5
use File::Temp qw(tempfile); # in core since Perl 5.6.1
use Text::ParseWords qw(shellwords); # in core since Perl 5
use Getopt::Long; # in core since Perl 5
# Make Data::Dumper::Dumper available if present (not present on systems that
# only have perl-base, not perl).
eval { require Data::Dumper; } or *Data::Dumper::Dumper = sub { "no Data::Dumper" };

my $quiet = 0;
my $enabled_state_dir = '/var/lib/systemd/deb-systemd-helper-enabled';
my $masked_state_dir = '/var/lib/systemd/deb-systemd-helper-masked';

# Globals are bad, but in this specific case, it really makes things much
# easier to write and understand.
my $changed_sth;

sub error {
    print STDERR "$0: error: @_\n";
    exit (1);
}

sub debug {
    my ($msg) = @_;
    return if !defined($ENV{_DEB_SYSTEMD_HELPER_DEBUG}) || $ENV{_DEB_SYSTEMD_HELPER_DEBUG} != 1;
    print STDERR "(deb-systemd-helper DEBUG) $msg\n";
}

sub is_purge {
    return (defined($ENV{_DEB_SYSTEMD_HELPER_PURGE}) && $ENV{_DEB_SYSTEMD_HELPER_PURGE} == 1)
}

sub find_unit {
    my ($scriptname) = @_;

my $service_path = $scriptname;
    if (-f "/etc/systemd/system/$scriptname") {
        $service_path = "/etc/systemd/system/$scriptname";
    } elsif (-f "/lib/systemd/system/$scriptname") {
        $service_path = "/lib/systemd/system/$scriptname";
    }
    return $service_path;
}

sub dsh_state_path {
    my ($scriptname) = @_;
    return $enabled_state_dir . '/' . basename($scriptname) . '.dsh-also';
}

sub state_file_entries {
    my ($dsh_state) = @_;
    debug "Reading state file $dsh_state";
    my @entries;
    if (open(my $fh, '<', $dsh_state)) {
        @entries = map { chomp; $_ } <$fh>;
        close($fh);
    }
    return @entries;
}

# Writes $service_link into $dsh_state unless it’s already in there.
sub record_in_statefile {
    my ($dsh_state, $service_link) = @_;

# Appending a newline makes the following code simpler; we can skip
    # chomp()ing and appending newlines in every print.
    $service_link .= "\n";

make_path(dirname($dsh_state));
    my $line_exists;
    my ($outfh, $tmpname) = tempfile('.stateXXXXX',
        DIR => dirname($dsh_state),
        SUFFIX => '.tmp',
        UNLINK => 0);
    chmod(0644, $tmpname);
    if (-e $dsh_state) {
        open(my $infh, '<', $dsh_state) or error("unable to read from $dsh_state");
        while (<$infh>) {
            $line_exists = 1 if $_ eq $service_link;
            print $outfh $_;
        }
        close($infh);
    }
    print $outfh $service_link unless $line_exists;
    close($outfh);

debug "Renaming temp file $tmpname to state file $dsh_state";
    rename($tmpname, $dsh_state) or
        error("Unable to move $tmpname to $dsh_state");
}

# Gets the transitive closure of links, i.e. all links that need to be created
# when enabling this service file. Not straight-forward because service files
# can refer to other service files using Also=.
sub get_link_closure {
    my ($scriptname, $service_path) = @_;

my @links;

my $unit_name = basename($service_path);

open my $fh, '<', $service_path or error("unable to read $service_path");
    while (my $line = <$fh>) {
        chomp($line);
        my $service_link;

if ($line =~ /^\s*(WantedBy|RequiredBy)=(.+)$/i) {
            for my $value (shellwords($2)) {
                my $wants_dir = "/etc/systemd/system/$value";
                $wants_dir .= '.wants' if $1 eq 'WantedBy';
                $wants_dir .= '.requires' if $1 eq 'RequiredBy';
                push @links, { dest => $service_path, src => "$wants_dir/$scriptname" };
            }
        }

if ($line =~ /^\s*Also=(.+)$/i) {
            for my $value (shellwords($1)) {
                if ($value ne $unit_name) {
                    push @links, get_link_closure($value, find_unit($value));
                }
            }
        }

if ($line =~ /^\s*Alias=(.+)$/i) {
            for my $value (shellwords($1)) {
                if ($value ne $unit_name) {
                    push @links, { dest => $service_path, src => "/etc/systemd/system/$1" };
                }
            }
        }
    }
    close($fh);

return @links;
}

sub make_systemd_links {
    my ($scriptname, $service_path) = @_;

my $dsh_state = dsh_state_path($scriptname);

my @links = get_link_closure($scriptname, $service_path);
    for my $link (@links) {
        my $service_path = $link->{dest};
        my $service_link = $link->{src};

record_in_statefile($dsh_state, $service_link);

my $statefile = $service_link;
        $statefile =~ s,^/etc/systemd/system/,$enabled_state_dir/,;
        next if -e $statefile;

if (! -l $service_link) {
            make_path(dirname($service_link));
            symlink($service_path, $service_link) or
                error("unable to link $service_link to $service_path: $!");
            $changed_sth = 1;
        }

# Store the fact that we ran enable for this service_path,
        # so that we can skip enable the next time.
        # This allows us to call deb-systemd-helper unconditionally
        # and still only enable unit files on the initial installation
        # of a package.
        make_path(dirname($statefile));
        open(my $fh, '>>', $statefile);
        close($fh);
    }

}

# In contrary to make_systemd_links(), which only modifies the state file in an
# append-only fashion, update_state() can also remove entries from the state
# file.
#
# The distinction is important because update_state() should only be called
# when the unit file(s) are guaranteed to be on-disk, e.g. on package updates,
# but not on package removals.
sub update_state {
    my ($scriptname, $service_path) = @_;

my $dsh_state = dsh_state_path($scriptname);
    my @links = get_link_closure($scriptname, $service_path);

debug "Old state file contents: " .
        Data::Dumper::Dumper([ state_file_entries($dsh_state) ]);

make_path(dirname($dsh_state));
    my ($outfh, $tmpname) = tempfile('.stateXXXXX',
        DIR => dirname($dsh_state),
        SUFFIX => '.tmp',
        UNLINK => 0);
    chmod(0644, $tmpname);
    for my $link (@links) {
        print $outfh $link->{src} . "\n";
    }
    close($outfh);

debug "Renaming temp file $tmpname to state file $dsh_state";
    rename($tmpname, $dsh_state) or
        error("Unable to move $tmpname to $dsh_state");

debug "New state file contents: " .
        Data::Dumper::Dumper([ state_file_entries($dsh_state) ]);
}

sub was_enabled {
    my ($scriptname) = @_;

my @entries = state_file_entries(dsh_state_path($scriptname));
    debug "Contents: " . Data::Dumper::Dumper(\@entries);

for my $link (@entries) {
        if (! -l $link) {
            debug "Link $link is missing, considering $scriptname was-disabled.";
            return 0;
        }
    }

debug "All links present, considering $scriptname was-enabled.";
    return 1;
}

sub debian_installed {
    my ($scriptname) = @_;
    return -f dsh_state_path($scriptname);
}

sub remove_links {
    my ($service_path) = @_;

my $dsh_state = dsh_state_path($service_path);
    my @entries = state_file_entries($dsh_state);
    debug "Contents: " . Data::Dumper::Dumper(\@entries);

if (is_purge()) {
        unlink($dsh_state) if -e $dsh_state;
    }

# Also disable all the units which were enabled when this one was enabled.
    for my $link (@entries) {
        # Delete the corresponding state file:
        # • Always when purging
        # • If the user did not disable (= link still exists) the service.
        #   If we don’t do this, the link will be deleted a few lines down,
        #   but not re-created when re-installing the package.
        if (is_purge() || -l $link) {
            my $link_state = $link;
            $link_state =~ s,^/etc/systemd/system/,$enabled_state_dir/,;
            unlink($link_state);
        }

next unless -l $link;
        unlink($link) or
            print STDERR "$0: unable to remove '$link': $!\n";

$changed_sth = 1;
    }

# Read $service_path, recurse for all Also= units.
    # This might not work when $service_path was already deleted,
    # i.e. after apt-get remove. In this case we just return
    # silently in order to not confuse the user about whether
    # disabling actually worked or not — the case is handled by
    # dh_installsystemd generating an appropriate disable
    # command by parsing the service file at debhelper-time.
    open(my $fh, '<', $service_path) or return;
    while (my $line = <$fh>) {
        chomp($line);
        my $service_link;

if ($line =~ /^\s*Also=(.+)$/i) {
            remove_links(find_unit($1));
        }
    }
    close($fh);
}

# Recursively deletes a directory structure, if all (!) components are empty,
# e.g. to clean up after purging.
sub rmdir_if_empty {
    my ($dir) = @_;

debug "rmdir_if_empty $dir";

rmdir_if_empty($_) for (grep { -d } <$dir/*>);

if (!rmdir($dir)) {
        debug "rmdir($dir) failed ($!)";
    }
}

sub mask_service {
    my ($scriptname, $service_path) = @_;

my $mask_link = '/etc/systemd/system/' . basename($service_path);

if (-e $mask_link) {
        # If the link already exists, don’t do anything.
        return if -l $mask_link && readlink($mask_link) eq '/dev/null';

# If the file already exists, the user most likely copied the .service
        # file to /etc/ to change it in some way. In this case we don’t need to
        # mask the .service in the first place, since it will not be removed by
        # dpkg.
        debug "$mask_link already exists, not masking.";
        return;
    }

make_path(dirname($mask_link));
    # clean up after possible leftovers from Alias= to self (LP#1439793)
    unlink($mask_link);
    symlink('/dev/null', $mask_link) or
        error("unable to link $mask_link to /dev/null: $!");
    $changed_sth = 1;

my $statefile = $mask_link;
    $statefile =~ s,^/etc/systemd/system/,$masked_state_dir/,;

# Store the fact that we masked this service, so that we can unmask it on
    # installation time. We cannot unconditionally unmask because that would
    # interfere with the user’s decision to mask a service.
    make_path(dirname($statefile));
    open(my $fh, '>>', $statefile);
    close($fh);
}

sub unmask_service {
    my ($scriptname, $service_path) = @_;

my $mask_link = '/etc/systemd/system/' . basename($service_path);

# Not masked? Nothing to do.
    return unless -e $mask_link;

if (! -l $mask_link || readlink($mask_link) ne '/dev/null') {
        debug "Not unmasking $mask_link because it is not a link to /dev/null";
        return;
    }

my $statefile = $mask_link;
    $statefile =~ s,^/etc/systemd/system/,$masked_state_dir/,;

if (! -e $statefile) {
        debug "Not unmasking $mask_link because the state file $statefile does not exist";
        return;
    }

unlink($mask_link) or
        error("unable to remove $mask_link: $!");
    $changed_sth = 1;
    unlink($statefile);
}

my $result = GetOptions(
    "quiet" => \$quiet,
);

my $action = shift;
if (!defined($action)) {
    # Called without arguments. Explain that this script should not be run interactively.
    print "$0 is a program which should be called by dpkg maintscripts only.\n";
    print "Please do not run it interactively, ever. Also see the manpage deb-systemd-helper(1).\n";
    exit 0;
}

if (!$ENV{DPKG_MAINTSCRIPT_PACKAGE}) {
    print STDERR "$0 was not called from dpkg. Exiting.\n";
    exit 1;
}

if ($action eq 'purge') {
    $ENV{_DEB_SYSTEMD_HELPER_PURGE} = 1;
    $action = 'disable';
}

debug "is purge = " . (is_purge() ? "yes" : "no");

my $rc = 0;
if ($action eq 'is-enabled' ||
    $action eq 'was-enabled' ||
    $action eq 'debian-installed') {
    $rc = 1;
}
for my $scriptname (@ARGV) {
    my $service_path = find_unit($scriptname);

debug "action = $action, scriptname = $scriptname, service_path = $service_path";

if ($action eq 'is-enabled') {
        my @links = get_link_closure($scriptname, $service_path);
        my @missing_links = grep { ! -l $_->{src} } @links;
        my $enabled = (@missing_links == 0);
        print STDERR ($enabled ? "enabled\n" : "disabled\n") unless $quiet;
        $rc = 0 if $enabled;
    }

# was-enabled is the same as is-enabled, but only considers links recorded
    # in the state file. This is useful after package upgrades, to determine
    # whether the unit file was enabled before upgrading, even if the unit file
    # has changed and is not entirely enabled currently (due to a new Alias=
    # line for example).
    #
    # If all machines were running systemd, this issue would not be present
    # because is-enabled would query systemd, which would not have picked up
    # the new unit file yet.
    if ($action eq 'was-enabled') {
        my $enabled = was_enabled($scriptname);
        print STDERR ($enabled ? "enabled\n" : "disabled\n") unless $quiet;
        $rc = 0 if $enabled;
    }

if ($action eq 'update-state') {
        update_state($scriptname, $service_path);
    }

if ($action eq 'debian-installed') {
        $rc = 0 if debian_installed($scriptname);
    }

if ($action eq 'reenable') {
        remove_links($service_path);
        make_systemd_links($scriptname, $service_path);
    }

if ($action eq 'disable') {
        remove_links($service_path);
        # Clean up the state dir if it’s empty, or at least clean up all empty
        # subdirectories. Necessary to cleanly pass a piuparts run.
        rmdir_if_empty('/var/lib/systemd/deb-systemd-helper-enabled');

# Same with directories below /etc/systemd, where we create symlinks.
        # If systemd is not installed (and no other package shipping service
        # files), this would make piuparts fail, too.
        rmdir_if_empty($_) for (grep { -d } </etc/systemd/system/*>);
    }

if ($action eq 'enable') {
        make_systemd_links($scriptname, $service_path);
    }

if ($action eq 'mask') {
        mask_service($scriptname, $service_path);
    }

if ($action eq 'unmask') {
        unmask_service($scriptname, $service_path);
        # Clean up the state dir if it’s empty, or at least clean up all empty
        # subdirectories. Necessary to cleanly pass a piuparts run.
        rmdir_if_empty('/var/lib/systemd/deb-systemd-helper-masked');
    }
}

# If we changed anything and this machine is running systemd, tell
# systemd to reload so that it will immediately pick up our
# changes.
if ($changed_sth && -d "/run/systemd/system") {
    system("systemctl", "daemon-reload");
}

exit $rc;

=head1 AUTHOR

Michael Stapelberg <stapelberg@debian.org>

=cut