Gecko [ 0.0.0.0 ]

Name	Size	Permission
[	54.41 KB	-rwxr-xr-x
addr2line	23.22 KB	-rwxr-xr-x
apt	18.31 KB	-rwxr-xr-x
apt-cache	90.38 KB	-rwxr-xr-x
apt-cdrom	26.38 KB	-rwxr-xr-x
apt-config	30.31 KB	-rwxr-xr-x
apt-get	58.38 KB	-rwxr-xr-x
apt-mark	62.38 KB	-rwxr-xr-x
ar	51.25 KB	-rwxr-xr-x
arch	42.45 KB	-rwxr-xr-x
as	776.55 KB	-rwxr-xr-x
autoconf	6.54 KB	-rwxr-xr-x
autoheader	8.88 KB	-rwxr-xr-x
autom4te	34.11 KB	-rwxr-xr-x
autoreconf	26.24 KB	-rwxr-xr-x
autoscan	16.78 KB	-rwxr-xr-x
autoupdate	33.22 KB	-rwxr-xr-x
awk	166.66 KB	-rwxr-xr-x
b2sum	62.45 KB	-rwxr-xr-x
base32	46.41 KB	-rwxr-xr-x
base64	46.41 KB	-rwxr-xr-x
basename	42.41 KB	-rwxr-xr-x
basenc	58.41 KB	-rwxr-xr-x
bash	1.24 MB	-rwxr-xr-x
bashbug	6.78 KB	-rwxr-xr-x
bunzip2	38.3 KB	-rwxr-xr-x
bzcat	38.3 KB	-rwxr-xr-x
bzcmp	2.17 KB	-rwxr-xr-x
bzdiff	2.17 KB	-rwxr-xr-x
bzegrep	3.69 KB	-rwxr-xr-x
bzexe	4.78 KB	-rwxr-xr-x
bzfgrep	3.69 KB	-rwxr-xr-x
bzgrep	3.69 KB	-rwxr-xr-x
bzip2	38.3 KB	-rwxr-xr-x
bzip2recover	14.23 KB	-rwxr-xr-x
bzless	1.27 KB	-rwxr-xr-x
bzmore	1.27 KB	-rwxr-xr-x
c++	1.11 MB	-rwxr-xr-x
c++filt	22.59 KB	-rwxr-xr-x
c89	428 B	-rwxr-xr-x
c89-gcc	428 B	-rwxr-xr-x
c99	454 B	-rwxr-xr-x
c99-gcc	454 B	-rwxr-xr-x
c_rehash	6.73 KB	-rwxr-xr-x
captoinfo	94.34 KB	-rwxr-xr-x
cat	46.48 KB	-rwxr-xr-x
cc	1.11 MB	-rwxr-xr-x
chage	111.18 KB	-rwxr-sr-x
chcon	78.41 KB	-rwxr-xr-x
chfn	69.23 KB	-rwsr-xr-x
chgrp	74.45 KB	-rwxr-xr-x
chmod	70.45 KB	-rwxr-xr-x
choom	54.38 KB	-rwxr-xr-x
chown	74.45 KB	-rwxr-xr-x
chrt	70.38 KB	-rwxr-xr-x
chsh	51.7 KB	-rwsr-xr-x
cksum	134.45 KB	-rwxr-xr-x
clear	14.24 KB	-rwxr-xr-x
clear_console	14.15 KB	-rwxr-xr-x
cmp	54.95 KB	-rwxr-xr-x
comm	46.45 KB	-rwxr-xr-x
corelist	15.01 KB	-rwxr-xr-x
cp	146.45 KB	-rwxr-xr-x
cpan	8.16 KB	-rwxr-xr-x
cpan5.40-x86_64-linux-gnu	8.18 KB	-rwxr-xr-x
cpp	1.11 MB	-rwxr-xr-x
cpp-14	1.11 MB	-rwxr-xr-x
csplit	58.45 KB	-rwxr-xr-x
curl	314.34 KB	-rwxr-xr-x
cut	54.45 KB	-rwxr-xr-x
dash	126.7 KB	-rwxr-xr-x
date	98.45 KB	-rwxr-xr-x
dd	74.48 KB	-rwxr-xr-x
deb-systemd-helper	23.79 KB	-rwxr-xr-x
deb-systemd-invoke	6.97 KB	-rwxr-xr-x
debconf	2.8 KB	-rwxr-xr-x
debconf-apt-progress	11.57 KB	-rwxr-xr-x
debconf-communicate	623 B	-rwxr-xr-x
debconf-copydb	1.68 KB	-rwxr-xr-x
debconf-escape	668 B	-rwxr-xr-x
debconf-set-selections	3.14 KB	-rwxr-xr-x
debconf-show	1.78 KB	-rwxr-xr-x
df	106.92 KB	-rwxr-xr-x
diff	159.61 KB	-rwxr-xr-x
diff3	71.14 KB	-rwxr-xr-x
dir	154.91 KB	-rwxr-xr-x
dircolors	54.45 KB	-rwxr-xr-x
dirname	42.41 KB	-rwxr-xr-x
dmesg	88.71 KB	-rwxr-xr-x
dnsdomainname	26.15 KB	-rwxr-xr-x
domainname	26.15 KB	-rwxr-xr-x
dpkg	319.05 KB	-rwxr-xr-x
dpkg-architecture	14.84 KB	-rwxr-xr-x
dpkg-buildapi	1.79 KB	-rwxr-xr-x
dpkg-buildflags	8.14 KB	-rwxr-xr-x
dpkg-buildpackage	30.32 KB	-rwxr-xr-x
dpkg-buildtree	2.12 KB	-rwxr-xr-x
dpkg-checkbuilddeps	7.45 KB	-rwxr-xr-x
dpkg-deb	178.53 KB	-rwxr-xr-x
dpkg-distaddfile	2.72 KB	-rwxr-xr-x
dpkg-divert	158.77 KB	-rwxr-xr-x
dpkg-genbuildinfo	18.69 KB	-rwxr-xr-x
dpkg-genchanges	17.51 KB	-rwxr-xr-x
dpkg-gencontrol	14.62 KB	-rwxr-xr-x
dpkg-gensymbols	10.66 KB	-rwxr-xr-x
dpkg-maintscript-helper	20.63 KB	-rwxr-xr-x
dpkg-mergechangelogs	8.7 KB	-rwxr-xr-x
dpkg-name	6.58 KB	-rwxr-xr-x
dpkg-parsechangelog	4.83 KB	-rwxr-xr-x
dpkg-query	170.77 KB	-rwxr-xr-x
dpkg-realpath	58.33 KB	-rwxr-xr-x
dpkg-scanpackages	8.45 KB	-rwxr-xr-x
dpkg-scansources	9.15 KB	-rwxr-xr-x
dpkg-shlibdeps	32.59 KB	-rwxr-xr-x
dpkg-source	23.18 KB	-rwxr-xr-x
dpkg-split	142.48 KB	-rwxr-xr-x
dpkg-statoverride	86.51 KB	-rwxr-xr-x
dpkg-trigger	90.5 KB	-rwxr-xr-x
dpkg-vendor	3.18 KB	-rwxr-xr-x
du	110.45 KB	-rwxr-xr-x
echo	42.41 KB	-rwxr-xr-x
egrep	41 B	-rwxr-xr-x
elfedit	35.13 KB	-rwxr-xr-x
enc2xs	40.97 KB	-rwxr-xr-x
encguess	2.99 KB	-rwxr-xr-x
env	54.83 KB	-rwxr-xr-x
expand	46.45 KB	-rwxr-xr-x
expiry	30.52 KB	-rwxr-sr-x
expr	50.41 KB	-rwxr-xr-x
factor	74.45 KB	-rwxr-xr-x
fallocate	34.38 KB	-rwxr-xr-x
false	42.41 KB	-rwxr-xr-x
fgrep	41 B	-rwxr-xr-x
file	26.56 KB	-rwxr-xr-x
find	227.58 KB	-rwxr-xr-x
findmnt	99.9 KB	-rwxr-xr-x
flock	34.46 KB	-rwxr-xr-x
fmt	50.41 KB	-rwxr-xr-x
fold	46.41 KB	-rwxr-xr-x
g++	1.11 MB	-rwxr-xr-x
g++-14	1.11 MB	-rwxr-xr-x
gcc	1.11 MB	-rwxr-xr-x
gcc-14	1.11 MB	-rwxr-xr-x
gcc-ar	30.58 KB	-rwxr-xr-x
gcc-ar-14	30.58 KB	-rwxr-xr-x
gcc-nm	30.58 KB	-rwxr-xr-x
gcc-nm-14	30.58 KB	-rwxr-xr-x
gcc-ranlib	30.58 KB	-rwxr-xr-x
gcc-ranlib-14	30.58 KB	-rwxr-xr-x
gcov	448.12 KB	-rwxr-xr-x
gcov-14	448.12 KB	-rwxr-xr-x
gcov-dump	364.07 KB	-rwxr-xr-x
gcov-dump-14	364.07 KB	-rwxr-xr-x
gcov-tool	396.16 KB	-rwxr-xr-x
gcov-tool-14	396.16 KB	-rwxr-xr-x
gencat	26.37 KB	-rwxr-xr-x
getconf	26.29 KB	-rwxr-xr-x
getent	34.65 KB	-rwxr-xr-x
getopt	34.38 KB	-rwxr-xr-x
gmake	271.92 KB	-rwxr-xr-x
gp-archive	35.09 KB	-rwxr-xr-x
gp-collect-app	55.27 KB	-rwxr-xr-x
gp-display-html	630.35 KB	-rwxr-xr-x
gp-display-src	30.8 KB	-rwxr-xr-x
gp-display-text	157.36 KB	-rwxr-xr-x
gpasswd	86.49 KB	-rwsr-xr-x
gprof	96.42 KB	-rwxr-xr-x
gprofng	22.59 KB	-rwxr-xr-x
gprofng-archive	35.09 KB	-rwxr-xr-x
gprofng-collect-app	55.27 KB	-rwxr-xr-x
gprofng-display-html	630.35 KB	-rwxr-xr-x
gprofng-display-src	30.8 KB	-rwxr-xr-x
gprofng-display-text	157.36 KB	-rwxr-xr-x
grep	198.39 KB	-rwxr-xr-x
groups	42.41 KB	-rwxr-xr-x
gunzip	2.28 KB	-rwxr-xr-x
gzexe	6.29 KB	-rwxr-xr-x
gzip	99.8 KB	-rwxr-xr-x
h2ph	28.15 KB	-rwxr-xr-x
h2xs	59.51 KB	-rwxr-xr-x
hardlink	62.48 KB	-rwxr-xr-x
head	50.45 KB	-rwxr-xr-x
hostid	42.41 KB	-rwxr-xr-x
hostname	26.15 KB	-rwxr-xr-x
i386	86.66 KB	-rwxr-xr-x
iconv	66.44 KB	-rwxr-xr-x
id	50.45 KB	-rwxr-xr-x
ifnames	4.09 KB	-rwxr-xr-x
infocmp	66.31 KB	-rwxr-xr-x
infotocap	94.34 KB	-rwxr-xr-x
install	150.48 KB	-rwxr-xr-x
instmodsh	4.27 KB	-rwxr-xr-x
ionice	34.38 KB	-rwxr-xr-x
ipcmk	34.45 KB	-rwxr-xr-x
ipcrm	74.38 KB	-rwxr-xr-x
ipcs	82.38 KB	-rwxr-xr-x
ischroot	14.41 KB	-rwxr-xr-x
join	58.48 KB	-rwxr-xr-x
json_pp	4.9 KB	-rwxr-xr-x
ld	1.78 MB	-rwxr-xr-x
ld.bfd	1.78 MB	-rwxr-xr-x
ld.so	220.31 KB	-rwxr-xr-x
ldd	5.23 KB	-rwxr-xr-x
libnetcfg	15.41 KB	-rwxr-xr-x
link	42.41 KB	-rwxr-xr-x
linux32	86.66 KB	-rwxr-xr-x
linux64	86.66 KB	-rwxr-xr-x
ln	74.45 KB	-rwxr-xr-x
locale	45.56 KB	-rwxr-xr-x
localedef	303.05 KB	-rwxr-xr-x
logger	58.98 KB	-rwxr-xr-x
login	90.38 KB	-rwxr-xr-x
logname	42.41 KB	-rwxr-xr-x
ls	154.91 KB	-rwxr-xr-x
lsblk	242.39 KB	-rwxr-xr-x
lscpu	162.39 KB	-rwxr-xr-x
lsipc	110.38 KB	-rwxr-xr-x
lslocks	78.8 KB	-rwxr-xr-x
lslogins	110.38 KB	-rwxr-xr-x
lsmem	70.38 KB	-rwxr-xr-x
lsns	90.39 KB	-rwxr-xr-x
lto-dump	31.43 MB	-rwxr-xr-x
lto-dump-14	31.43 MB	-rwxr-xr-x
lzcat	102.7 KB	-rwxr-xr-x
lzcmp	7.41 KB	-rwxr-xr-x
lzdiff	7.41 KB	-rwxr-xr-x
lzegrep	10.17 KB	-rwxr-xr-x
lzfgrep	10.17 KB	-rwxr-xr-x
lzgrep	10.17 KB	-rwxr-xr-x
lzless	2.33 KB	-rwxr-xr-x
lzma	102.7 KB	-rwxr-xr-x
lzmainfo	18.3 KB	-rwxr-xr-x
lzmore	2.18 KB	-rwxr-xr-x
m4	279.52 KB	-rwxr-xr-x
make	271.92 KB	-rwxr-xr-x
make-first-existing-target	4.79 KB	-rwxr-xr-x
mawk	166.66 KB	-rwxr-xr-x
mcookie	38.45 KB	-rwxr-xr-x
md5sum	54.45 KB	-rwxr-xr-x
mkdir	86.41 KB	-rwxr-xr-x
mkfifo	74.41 KB	-rwxr-xr-x
mknod	82.41 KB	-rwxr-xr-x
mktemp	46.41 KB	-rwxr-xr-x
more	58.39 KB	-rwxr-xr-x
mount	70.38 KB	-rwsr-xr-x
mountpoint	18.38 KB	-rwxr-xr-x
mv	146.45 KB	-rwxr-xr-x
namei	38.38 KB	-rwxr-xr-x
nawk	166.66 KB	-rwxr-xr-x
newgrp	18.38 KB	-rwsr-xr-x
nice	42.41 KB	-rwxr-xr-x
nisdomainname	26.15 KB	-rwxr-xr-x
nl	50.51 KB	-rwxr-xr-x
nm	44.1 KB	-rwxr-xr-x
nohup	46.41 KB	-rwxr-xr-x
nproc	46.41 KB	-rwxr-xr-x
nsenter	86.65 KB	-rwxr-xr-x
numfmt	66.48 KB	-rwxr-xr-x
objcopy	155.83 KB	-rwxr-xr-x
objdump	387.05 KB	-rwxr-xr-x
od	82.45 KB	-rwxr-xr-x
openssl	1.05 MB	-rwxr-xr-x
pager	58.39 KB	-rwxr-xr-x
partx	134.39 KB	-rwxr-xr-x
passwd	115.4 KB	-rwsr-xr-x
paste	46.45 KB	-rwxr-xr-x
patch	167.59 KB	-rwxr-xr-x
pathchk	42.41 KB	-rwxr-xr-x
perl	3.75 MB	-rwxr-xr-x
perl5.40-x86_64-linux-gnu	14.41 KB	-rwxr-xr-x
perl5.40.1	3.75 MB	-rwxr-xr-x
perlbug	44.52 KB	-rwxr-xr-x
perldoc	125 B	-rwxr-xr-x
perlivp	10.61 KB	-rwxr-xr-x
perlthanks	44.52 KB	-rwxr-xr-x
piconv	8.16 KB	-rwxr-xr-x
pidof	26.31 KB	-rwxr-xr-x
pinky	58.45 KB	-rwxr-xr-x
pkg-config	44.04 KB	-rwxr-xr-x
pkgconf	44.04 KB	-rwxr-xr-x
pl2pm	4.43 KB	-rwxr-xr-x
pldd	22.37 KB	-rwxr-xr-x
pod2html	3.95 KB	-rwxr-xr-x
pod2man	18.46 KB	-rwxr-xr-x
pod2text	12.8 KB	-rwxr-xr-x
pod2usage	4.01 KB	-rwxr-xr-x
podchecker	3.64 KB	-rwxr-xr-x
pr	78.51 KB	-rwxr-xr-x
printenv	42.41 KB	-rwxr-xr-x
printf	66.41 KB	-rwxr-xr-x
prlimit	42.9 KB	-rwxr-xr-x
prove	13.36 KB	-rwxr-xr-x
ptar	3.48 KB	-rwxr-xr-x
ptardiff	2.58 KB	-rwxr-xr-x
ptargrep	4.29 KB	-rwxr-xr-x
ptx	62.48 KB	-rwxr-xr-x
pwd	42.41 KB	-rwxr-xr-x
ranlib	51.25 KB	-rwxr-xr-x
rbash	1.24 MB	-rwxr-xr-x
re2c	1.05 MB	-rwxr-xr-x
re2d	1.05 MB	-rwxr-xr-x
re2go	1.05 MB	-rwxr-xr-x
re2hs	1.05 MB	-rwxr-xr-x
re2js	1.05 MB	-rwxr-xr-x
re2ocaml	1.05 MB	-rwxr-xr-x
re2py	1.05 MB	-rwxr-xr-x
re2rust	1.05 MB	-rwxr-xr-x
re2v	1.05 MB	-rwxr-xr-x
re2zig	1.05 MB	-rwxr-xr-x
readelf	759.63 KB	-rwxr-xr-x
readlink	54.41 KB	-rwxr-xr-x
realpath	54.45 KB	-rwxr-xr-x
rename.ul	30.38 KB	-rwxr-xr-x
renice	14.38 KB	-rwxr-xr-x
reset	30.24 KB	-rwxr-xr-x
rev	14.38 KB	-rwxr-xr-x
rgrep	30 B	-rwxr-xr-x
rm	74.45 KB	-rwxr-xr-x
rmdir	42.41 KB	-rwxr-xr-x
rpcgen	95 KB	-rwxr-xr-x
run-parts	26.75 KB	-rwxr-xr-x
runcon	46.41 KB	-rwxr-xr-x
savelog	10.24 KB	-rwxr-xr-x
script	78.38 KB	-rwxr-xr-x
scriptlive	66.38 KB	-rwxr-xr-x
scriptreplay	46.38 KB	-rwxr-xr-x
sdiff	67.09 KB	-rwxr-xr-x
sed	123.46 KB	-rwxr-xr-x
seq	46.41 KB	-rwxr-xr-x
setarch	86.66 KB	-rwxr-xr-x
setpriv	90.39 KB	-rwxr-xr-x
setsid	14.38 KB	-rwxr-xr-x
setterm	46.38 KB	-rwxr-xr-x
sg	18.38 KB	-rwsr-xr-x
sh	126.7 KB	-rwxr-xr-x
sha1sum	54.45 KB	-rwxr-xr-x
sha224sum	54.45 KB	-rwxr-xr-x
sha256sum	54.45 KB	-rwxr-xr-x
sha384sum	54.45 KB	-rwxr-xr-x
sha512sum	54.45 KB	-rwxr-xr-x
shasum	9.75 KB	-rwxr-xr-x
shred	66.45 KB	-rwxr-xr-x
shuf	62.41 KB	-rwxr-xr-x
size	26.94 KB	-rwxr-xr-x
sleep	42.41 KB	-rwxr-xr-x
sort	118.7 KB	-rwxr-xr-x
splain	19 KB	-rwxr-xr-x
split	70.86 KB	-rwxr-xr-x
sqv	1.78 MB	-rwxr-xr-x
stat	102.45 KB	-rwxr-xr-x
stdbuf	46.41 KB	-rwxr-xr-x
streamzip	7.87 KB	-rwxr-xr-x
strings	31.06 KB	-rwxr-xr-x
strip	155.86 KB	-rwxr-xr-x
stty	74.45 KB	-rwxr-xr-x
su	82.38 KB	-rwsr-xr-x
sum	50.42 KB	-rwxr-xr-x
sync	42.41 KB	-rwxr-xr-x
tabs	18.23 KB	-rwxr-xr-x
tac	46.41 KB	-rwxr-xr-x
tail	78.48 KB	-rwxr-xr-x
tar	447.54 KB	-rwxr-xr-x
taskset	66.38 KB	-rwxr-xr-x
tee	46.45 KB	-rwxr-xr-x
tempfile	14.23 KB	-rwxr-xr-x
test	46.41 KB	-rwxr-xr-x
tic	94.34 KB	-rwxr-xr-x
timeout	46.86 KB	-rwxr-xr-x
toe	22.23 KB	-rwxr-xr-x
touch	86.45 KB	-rwxr-xr-x
tput	30.27 KB	-rwxr-xr-x
tr	58.41 KB	-rwxr-xr-x
true	42.41 KB	-rwxr-xr-x
truncate	46.41 KB	-rwxr-xr-x
tset	30.24 KB	-rwxr-xr-x
tsort	58.41 KB	-rwxr-xr-x
tty	42.41 KB	-rwxr-xr-x
tzselect	21.36 KB	-rwxr-xr-x
uclampset	70.38 KB	-rwxr-xr-x
umount	54.38 KB	-rwsr-xr-x
uname	42.45 KB	-rwxr-xr-x
uncompress	2.28 KB	-rwxr-xr-x
unexpand	46.45 KB	-rwxr-xr-x
uniq	54.45 KB	-rwxr-xr-x
unlink	42.41 KB	-rwxr-xr-x
unlzma	102.7 KB	-rwxr-xr-x
unshare	90.62 KB	-rwxr-xr-x
unxz	102.7 KB	-rwxr-xr-x
update-alternatives	58.31 KB	-rwxr-xr-x
users	50.41 KB	-rwxr-xr-x
vdir	154.91 KB	-rwxr-xr-x
wall	46.38 KB	-rwxr-xr-x
wc	66.45 KB	-rwxr-xr-x
wcurl	10.98 KB	-rwxr-xr-x
wdctl	74.38 KB	-rwxr-xr-x
wget	471.36 KB	-rwxr-xr-x
whereis	30.38 KB	-rwxr-xr-x
which	1.05 KB	-rwxr-xr-x
which.debianutils	1.05 KB	-rwxr-xr-x
who	62.45 KB	-rwxr-xr-x
whoami	42.41 KB	-rwxr-xr-x
x86_64	86.66 KB	-rwxr-xr-x
x86_64-linux-gnu-addr2line	23.22 KB	-rwxr-xr-x
x86_64-linux-gnu-ar	51.25 KB	-rwxr-xr-x
x86_64-linux-gnu-as	776.55 KB	-rwxr-xr-x
x86_64-linux-gnu-c++filt	22.59 KB	-rwxr-xr-x
x86_64-linux-gnu-cpp	1.11 MB	-rwxr-xr-x
x86_64-linux-gnu-cpp-14	1.11 MB	-rwxr-xr-x
x86_64-linux-gnu-elfedit	35.13 KB	-rwxr-xr-x
x86_64-linux-gnu-g++	1.11 MB	-rwxr-xr-x
x86_64-linux-gnu-g++-14	1.11 MB	-rwxr-xr-x
x86_64-linux-gnu-gcc	1.11 MB	-rwxr-xr-x
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Code Editor : deb-systemd-helper

#!/usr/bin/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", a 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.

=item B<DPKG_ROOT>

Instead of working on the filesystem root /, perform all operations on a chroot
system in the directory given by DPKG_ROOT.

=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 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 $dpkg_root = $ENV{DPKG_ROOT} // '';

use constant {
     SYSTEM_INSTANCE_ENABLED_STATE_DIR => '/var/lib/systemd/deb-systemd-helper-enabled',
     USER_INSTANCE_ENABLED_STATE_DIR   => '/var/lib/systemd/deb-systemd-user-helper-enabled',
     SYSTEM_INSTANCE_MASKED_STATE_DIR  => '/var/lib/systemd/deb-systemd-helper-masked',
     USER_INSTANCE_MASKED_STATE_DIR    => '/var/lib/systemd/deb-systemd-user-helper-masked',
};

my $quiet = 0;
my $instance = 'system';
my $enabled_state_dir = $dpkg_root . SYSTEM_INSTANCE_ENABLED_STATE_DIR;
my $masked_state_dir = $dpkg_root . SYSTEM_INSTANCE_MASKED_STATE_DIR;

# Globals are bad, but in this specific case, it really makes things much
# easier to write and understand.
my $changed_sth;
my $has_systemctl = -x "$dpkg_root/bin/systemctl" || -x "$dpkg_root/usr/bin/systemctl";

sub assertdpkgroot {
    my ($path, $msg) = @_;
    if (length $ENV{DPKG_ROOT}) {
        if ($path !~ /^\Q$dpkg_root\E/) {
            error("doesn't start with dpkg_root: $path $msg");
        }
        if ($path =~ /^\Q$dpkg_root$dpkg_root\E/) {
            error("double dpkg_root: $path $msg");
        }
    }
}

sub assertnotdpkgroot {
    my ($path, $msg) = @_;
    if (length $ENV{DPKG_ROOT}) {
        if ($path =~ /^\Q$dpkg_root\E/) {
            error("starts with dpkg_root: $path $msg");
        }
    }
}

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 "$dpkg_root/etc/systemd/$instance/$scriptname") {
        $service_path = "/etc/systemd/$instance/$scriptname";
    } elsif (-f "$dpkg_root/lib/systemd/$instance/$scriptname") {
        $service_path = "/lib/systemd/$instance/$scriptname";
    } elsif (-f "$dpkg_root/usr/lib/systemd/$instance/$scriptname") {
        $service_path = "/usr/lib/systemd/$instance/$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, '<', $dsh_state)) {
        @entries = map { chomp; "$dpkg_root$_" } <$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) = @_;

assertdpkgroot($dsh_state, "record_in_statefile");
    assertnotdpkgroot($service_link, "record_in_statefile");

# 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) or error("unable to close $tmpname");

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, $service_path, @visited) = @_;
    assertnotdpkgroot($service_path, "get_link_closure");

my @links;
    my @wants_dirs;

my $unit_name = basename($service_path);
    my $wanted_target = $unit_name;

# The keys parsed from the unit file below can only have unit names
    # as values. Since unit names can't have whitespace in systemd,
    # simply use split and strip any leading/trailing quotes. See
    # systemd-escape(1) for examples of valid unit names.
    open my $fh, '<', "$dpkg_root$service_path" or error("unable to read $dpkg_root$service_path");
    while (my $line = <$fh>) {
        chomp($line);
        my $service_link;

if ($line =~ /^\s*(WantedBy|RequiredBy)=(.+)$/i) {
            for my $value (split(/\s+/, $2)) {
                $value =~ s/^(["'])(.*)\g1$/$2/;
                my $wants_dir = "/etc/systemd/$instance/$value";
                $wants_dir .= '.wants' if $1 eq 'WantedBy';
                $wants_dir .= '.requires' if $1 eq 'RequiredBy';
                push @wants_dirs, "$wants_dir/";
            }
        }

if ($line =~ /^\s*Also=(.+)$/i) {
            for my $value (split(/\s+/, $1)) {
                $value =~ s/^(["'])(.*)\g1$/$2/;
                if ($value ne $unit_name and not grep $_ eq $value, @visited) {
                    # We can end up in an infinite recursion, so remember what units we
                    # already processed to break it
                    push @visited, $value;
                    push @links, get_link_closure($value, find_unit($value), @visited);
                }
            }
        }

if ($line =~ /^\s*Alias=(.+)$/i) {
            for my $value (split(/\s+/, $1)) {
                $value =~ s/^(["'])(.*)\g1$/$2/;
                if ($value ne $unit_name) {
                    push @links, { dest => $service_path, src => "/etc/systemd/$instance/$1" };
                }
            }
        }

if ($line =~ /^\s*DefaultInstance=\s*(["']?+)(.+)\g1\s*$/i) {
            $wanted_target = $2;
            $wanted_target = $unit_name =~ s/^(.*\@)(\.\w+)$/$1$wanted_target$2/r;
        }
    }
    close($fh);

for my $wants_dir (@wants_dirs) {
        push @links, { dest => $service_path, src => $wants_dir . $wanted_target };
    }

return @links;
}

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

my @links = get_link_closure($scriptname, $service_path);
    foreach my $link (@links) {
        assertnotdpkgroot($link->{src}, "all_links_installed");
    }
    my @missing_links = grep { ! -l "$dpkg_root$_->{src}" } @links;

return (@missing_links == 0);
}

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

my @links = get_link_closure($scriptname, $service_path);
    foreach my $link (@links) {
        assertnotdpkgroot($link->{src}, "all_links_installed");
    }
    my @existing_links = grep { -l "$dpkg_root$_->{src}" } @links;

return (@existing_links == 0);
}

sub enable {
    my ($scriptname, $service_path) = @_;
    if ($has_systemctl) {
        # We use 'systemctl preset' on the initial installation only.
        # On upgrade, we manually add the missing symlinks only if the
        # service already has some links installed. Using 'systemctl
        # preset' allows administrators and downstreams to alter the
        # enable policy using systemd-native tools.
        my $create_links = 0;
        if (debian_installed($scriptname)) {
            $create_links = 1 unless no_link_installed($scriptname, $service_path);
        } else {
            debug "Using systemctl preset to enable $scriptname";
            my $systemd_root = '/';
            if ($dpkg_root ne '') {
                $systemd_root = $dpkg_root;
            }
            system("systemctl",
                   "--root=$systemd_root",
                   $instance eq "user" ? "--global" : "--system",
                   "--preset-mode=enable-only",
                   "preset", $scriptname) == 0
                or error("systemctl preset failed on $scriptname: $!");
        }
        make_systemd_links($scriptname, $service_path, create_links => $create_links);
    } else {
        # We create all the symlinks ourselves
        make_systemd_links($scriptname, $service_path);
    }
}

sub make_systemd_links {
    my ($scriptname, $service_path, %opts) = @_;
    $opts{'create_links'} //= 1;

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;
        $statefile =~ s,^/etc/systemd/$instance/,$enabled_state_dir/,;
        $service_link = "$dpkg_root$service_link";
        assertdpkgroot($statefile, "make_systemd_links");
        assertdpkgroot($service_link, "make_systemd_links");
        assertnotdpkgroot($service_path, "make_systemd_links");
        next if -e $statefile;

if ($opts{'create_links'} && ! -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) or error("Failed to create/touch $statefile");
        close($fh) or error("Failed to create/touch $statefile");
    }

}

# 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, $service_path);
    assertdpkgroot($dsh_state, "update_state");

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 $link (@links) {
        assertnotdpkgroot($link->{src}, "update_state");
        print $outfh $link->{src} . "\n";
    }
    close($outfh) or error("Failed to close $tmpname");

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 $link (@entries) {
        assertdpkgroot($link, "was_enabled");
        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($dsh_state);
    debug "Contents: " . Data::Dumper::Dumper(\@entries);
    assertdpkgroot($dsh_state, "remove_links");
    assertnotdpkgroot($service_path, "remove_links");

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 $link (@entries) {
        # Delete the corresponding state file:
        # • Always when purging
        # • If the user did not disable (= link still exists) the service.
        #   If we don’t do this, the link will be deleted a few lines down,
        #   but not re-created when re-installing the package.
        assertdpkgroot($link, "remove_links");
        if (is_purge() || -l $link) {
            my $link_state = $link;
            $link_state =~ s,^\Q$dpkg_root\E/etc/systemd/$instance/,$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 $fh, '<', "$dpkg_root$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 $mask_link = "$dpkg_root/etc/systemd/$instance/" . basename($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;
    $statefile =~ s,^\Q$dpkg_root\E/etc/systemd/$instance/,$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) or error("Failed to create/touch $statefile");
    close($fh) or error("Failed to create/touch $statefile");
}

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

my $mask_link = "$dpkg_root/etc/systemd/$instance/" . basename($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;
    $statefile =~ s,^\Q$dpkg_root\E/etc/systemd/$instance/,$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,
    "user" => sub { $instance = 'user'; },
    "system" => sub { $instance = 'system'; }, # default
);

if ($instance eq 'user') {
    debug "is user unit = yes";
    $enabled_state_dir = $dpkg_root . USER_INSTANCE_ENABLED_STATE_DIR;
    $masked_state_dir = $dpkg_root . USER_INSTANCE_MASKED_STATE_DIR;
}

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 $enabled = all_links_installed($scriptname, $service_path);
        print STDERR ($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($dpkg_root . SYSTEM_INSTANCE_ENABLED_STATE_DIR);
        rmdir_if_empty($dpkg_root . USER_INSTANCE_ENABLED_STATE_DIR);

# 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($_) for (grep { -d } <$dpkg_root/etc/systemd/system/*>);
        rmdir_if_empty($_) for (grep { -d } <$dpkg_root/etc/systemd/user/*>);
    }

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

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

if ($action eq 'unmask') {
        unmask_service($scriptname, $service_path);
        # Clean up the state dir if it’s empty, or at least clean up all empty
        # subdirectories. Necessary to cleanly pass a piuparts run.
        rmdir_if_empty($dpkg_root . SYSTEM_INSTANCE_MASKED_STATE_DIR);
        rmdir_if_empty($dpkg_root . USER_INSTANCE_MASKED_STATE_DIR);
    }
}

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

exit $rc;

=head1 AUTHOR

Michael Stapelberg <stapelberg@debian.org>

=cut

${this.title}

Code Editor : deb-systemd-helper