Linux ubuntu22 5.15.0-133-generic #144-Ubuntu SMP Fri Feb 7 20:47:38 UTC 2025 x86_64
nginx/1.18.0
: 128.199.27.159 | : 216.73.216.1
Cant Read [ /etc/named.conf ]
8.1.31
www-data
www.github.com/MadExploits
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Linux Exploit
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CREATE RDP
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snap /
core24 /
1225 /
usr /
bin /
[ HOME SHELL ]
Name
Size
Permission
Action
[
54.44
KB
-rwxr-xr-x
aa-enabled
18.3
KB
-rwxr-xr-x
aa-exec
18.3
KB
-rwxr-xr-x
aa-features-abi
18.3
KB
-rwxr-xr-x
addpart
14.38
KB
-rwxr-xr-x
arch
34.51
KB
-rwxr-xr-x
awk
166.77
KB
-rwxr-xr-x
b2sum
54.51
KB
-rwxr-xr-x
base32
38.51
KB
-rwxr-xr-x
base64
38.51
KB
-rwxr-xr-x
basename
34.51
KB
-rwxr-xr-x
basenc
46.51
KB
-rwxr-xr-x
bash
1.38
MB
-rwxr-xr-x
bashbug
6.82
KB
-rwxr-xr-x
bunzip2
38.38
KB
-rwxr-xr-x
busctl
94.59
KB
-rwxr-xr-x
bzcat
38.38
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
38.38
KB
-rwxr-xr-x
bzip2recover
18.3
KB
-rwxr-xr-x
bzless
1.27
KB
-rwxr-xr-x
bzmore
1.27
KB
-rwxr-xr-x
captoinfo
90.41
KB
-rwxr-xr-x
cat
38.46
KB
-rwxr-xr-x
chage
70.49
KB
-rwxr-sr-x
chardet
221
B
-rwxr-xr-x
chardetect
221
B
-rwxr-xr-x
chattr
14.31
KB
-rwxr-xr-x
chcon
58.51
KB
-rwxr-xr-x
chfn
71.09
KB
-rwsr-xr-x
chgrp
58.51
KB
-rwxr-xr-x
chmod
54.51
KB
-rwxr-xr-x
choom
22.38
KB
-rwxr-xr-x
chown
58.51
KB
-rwxr-xr-x
chrt
30.38
KB
-rwxr-xr-x
chsh
43.71
KB
-rwsr-xr-x
cksum
102.52
KB
-rwxr-xr-x
clear
14.31
KB
-rwxr-xr-x
clear_console
14.23
KB
-rwxr-xr-x
cloud-id
966
B
-rwxr-xr-x
cloud-init
970
B
-rwxr-xr-x
cloud-init-per
2.06
KB
-rwxr-xr-x
cmp
42.39
KB
-rwxr-xr-x
comm
38.52
KB
-rwxr-xr-x
core-sshd-host-keygen
1.49
KB
-rwxr-xr-x
coredumpctl
82.66
KB
-rwxr-xr-x
cp
138.52
KB
-rwxr-xr-x
csplit
50.51
KB
-rwxr-xr-x
ctstat
22.66
KB
-rwxr-xr-x
cut
38.51
KB
-rwxr-xr-x
cvtsudoers
321.1
KB
-rwxr-xr-x
dash
126.74
KB
-rwxr-xr-x
date
106.51
KB
-rwxr-xr-x
dbus-cleanup-sockets
14.29
KB
-rwxr-xr-x
dbus-daemon
230.64
KB
-rwxr-xr-x
dbus-monitor
26.3
KB
-rwxr-xr-x
dbus-run-session
14.3
KB
-rwxr-xr-x
dbus-send
30.29
KB
-rwxr-xr-x
dbus-update-activation-environ...
14.29
KB
-rwxr-xr-x
dbus-uuidgen
14.29
KB
-rwxr-xr-x
dd
70.54
KB
-rwxr-xr-x
delpart
14.38
KB
-rwxr-xr-x
df
87.08
KB
-rwxr-xr-x
diff
134.55
KB
-rwxr-xr-x
diff3
58.52
KB
-rwxr-xr-x
dir
138.98
KB
-rwxr-xr-x
dircolors
46.52
KB
-rwxr-xr-x
dirname
34.38
KB
-rwxr-xr-x
dmesg
68.64
KB
-rwxr-xr-x
dnsdomainname
22.23
KB
-rwxr-xr-x
domainname
22.23
KB
-rwxr-xr-x
dpkg-deb
142.58
KB
-rwxr-xr-x
dpkg-realpath
4.09
KB
-rwxr-xr-x
du
98.51
KB
-rwxr-xr-x
ec2metadata
8.38
KB
-rwxr-xr-x
echo
34.38
KB
-rwxr-xr-x
editor
1.66
MB
-rwxr-xr-x
egrep
41
B
-rwxr-xr-x
env
46.95
KB
-rwxr-xr-x
ex
1.66
MB
-rwxr-xr-x
expand
34.53
KB
-rwxr-xr-x
expiry
26.52
KB
-rwxr-sr-x
expr
42.41
KB
-rwxr-xr-x
factor
62.51
KB
-rwxr-xr-x
faillog
22.63
KB
-rwxr-xr-x
fallocate
26.38
KB
-rwxr-xr-x
false
26.3
KB
-rwxr-xr-x
fgrep
41
B
-rwxr-xr-x
finalrd
2.06
KB
-rwxr-xr-x
find
199.48
KB
-rwxr-xr-x
findmnt
67.66
KB
-rwxr-xr-x
flock
22.48
KB
-rwxr-xr-x
fmt
38.51
KB
-rwxr-xr-x
fold
34.51
KB
-rwxr-xr-x
free
26.38
KB
-rwxr-xr-x
gdbserver
615.98
KB
-rwxr-xr-x
getconf
26.36
KB
-rwxr-xr-x
getent
38.72
KB
-rwxr-xr-x
getopt
22.38
KB
-rwxr-xr-x
gpasswd
74.46
KB
-rwsr-xr-x
gpgv
303.14
KB
-rwxr-xr-x
grep
182.45
KB
-rwxr-xr-x
groups
34.51
KB
-rwxr-xr-x
growpart
29.19
KB
-rwxr-xr-x
gunzip
2.29
KB
-rwxr-xr-x
gzexe
6.3
KB
-rwxr-xr-x
gzip
91.23
KB
-rwxr-xr-x
hardlink
46.48
KB
-rwxr-xr-x
head
42.51
KB
-rwxr-xr-x
hostid
34.51
KB
-rwxr-xr-x
hostname
22.23
KB
-rwxr-xr-x
hostnamectl
30.45
KB
-rwxr-xr-x
i386
26.65
KB
-rwxr-xr-x
iconv
66.48
KB
-rwxr-xr-x
id
38.51
KB
-rwxr-xr-x
infocmp
66.38
KB
-rwxr-xr-x
infotocap
90.41
KB
-rwxr-xr-x
install
142.52
KB
-rwxr-xr-x
ionice
18.38
KB
-rwxr-xr-x
ip
754.8
KB
-rwxr-xr-x
ipcmk
22.45
KB
-rwxr-xr-x
ipcrm
18.38
KB
-rwxr-xr-x
ipcs
38.38
KB
-rwxr-xr-x
iptables-xml
92.95
KB
-rwxr-xr-x
ischroot
14.48
KB
-rwxr-xr-x
join
50.55
KB
-rwxr-xr-x
journalctl
78.91
KB
-rwxr-xr-x
json-patch-jsondiff
1004
B
-rwxr-xr-x
jsondiff
1004
B
-rwxr-xr-x
jsonpatch
3.77
KB
-rwxr-xr-x
jsonpointer
1.79
KB
-rwxr-xr-x
jsonschema
213
B
-rwxr-xr-x
kernel-install
54.67
KB
-rwxr-xr-x
kill
22.38
KB
-rwxr-xr-x
kmod
170.24
KB
-rwxr-xr-x
kmodsign
18.45
KB
-rwxr-xr-x
last
34.38
KB
-rwxr-xr-x
lastb
34.38
KB
-rwxr-xr-x
lastlog
27.79
KB
-rwxr-xr-x
lcf
7.6
KB
-rwxr-xr-x
ld.so
231.07
KB
-rwxr-xr-x
ldd
5.26
KB
-rwxr-xr-x
less
190.38
KB
-rwxr-xr-x
lessecho
14.31
KB
-rwxr-xr-x
lessfile
8.83
KB
-rwxr-xr-x
lesskey
23.7
KB
-rwxr-xr-x
lesspipe
8.83
KB
-rwxr-xr-x
link
34.51
KB
-rwxr-xr-x
linux32
26.65
KB
-rwxr-xr-x
linux64
26.65
KB
-rwxr-xr-x
ln
54.51
KB
-rwxr-xr-x
lnstat
22.66
KB
-rwxr-xr-x
locale
49.63
KB
-rwxr-xr-x
locale-check
14.15
KB
-rwxr-xr-x
localectl
26.45
KB
-rwxr-xr-x
localedef
319.09
KB
-rwxr-xr-x
logger
38.97
KB
-rwxr-xr-x
login
51.81
KB
-rwxr-xr-x
loginctl
66.58
KB
-rwxr-xr-x
logname
34.51
KB
-rwxr-xr-x
ls
138.98
KB
-rwxr-xr-x
lsattr
14.31
KB
-rwxr-xr-x
lsblk
146.38
KB
-rwxr-xr-x
lscpu
110.38
KB
-rwxr-xr-x
lsipc
50.38
KB
-rwxr-xr-x
lslocks
30.77
KB
-rwxr-xr-x
lslogins
50.38
KB
-rwxr-xr-x
lsmem
38.38
KB
-rwxr-xr-x
lsmod
170.24
KB
-rwxr-xr-x
lsns
42.38
KB
-rwxr-xr-x
man
128
B
-rwxr-xr-x
mawk
166.77
KB
-rwxr-xr-x
mcookie
26.45
KB
-rwxr-xr-x
md5sum
38.41
KB
-rwxr-xr-x
md5sum.textutils
38.41
KB
-rwxr-xr-x
mesg
14.38
KB
-rwxr-xr-x
mkdir
74.51
KB
-rwxr-xr-x
mkfifo
42.51
KB
-rwxr-xr-x
mknod
42.51
KB
-rwxr-xr-x
mksquashfs
286.95
KB
-rwxr-xr-x
mkswapfile
865
B
-rwxr-xr-x
mktemp
34.51
KB
-rwxr-xr-x
more
46.38
KB
-rwxr-xr-x
mount
50.38
KB
-rwsr-xr-x
mountpoint
18.38
KB
-rwxr-xr-x
mv
134.52
KB
-rwxr-xr-x
namei
22.38
KB
-rwxr-xr-x
nawk
166.77
KB
-rwxr-xr-x
nc
38.63
KB
-rwxr-xr-x
nc.openbsd
38.63
KB
-rwxr-xr-x
netcat
38.63
KB
-rwxr-xr-x
networkctl
122.58
KB
-rwxr-xr-x
newgrp
39.71
KB
-rwsr-xr-x
nice
34.51
KB
-rwxr-xr-x
nisdomainname
22.23
KB
-rwxr-xr-x
nl
38.6
KB
-rwxr-xr-x
nohup
34.41
KB
-rwxr-xr-x
nproc
34.51
KB
-rwxr-xr-x
nsenter
30.6
KB
-rwxr-xr-x
nstat
30.38
KB
-rwxr-xr-x
numfmt
58.54
KB
-rwxr-xr-x
od
70.51
KB
-rwxr-xr-x
openssl
981.8
KB
-rwxr-xr-x
p11-kit
206.7
KB
-rwxr-xr-x
p11tool
218.38
KB
-rwxr-xr-x
pager
190.38
KB
-rwxr-xr-x
partx
62.38
KB
-rwxr-xr-x
passwd
62.65
KB
-rwsr-xr-x
paste
38.41
KB
-rwxr-xr-x
pathchk
34.51
KB
-rwxr-xr-x
pdb3
67.83
KB
-rwxr-xr-x
pdb3.12
67.83
KB
-rwxr-xr-x
pgrep
34.47
KB
-rwxr-xr-x
pidof
26.23
KB
-rwxr-xr-x
pidwait
34.47
KB
-rwxr-xr-x
ping
87.7
KB
-rwxr-xr-x
ping4
87.7
KB
-rwxr-xr-x
ping6
87.7
KB
-rwxr-xr-x
pinky
38.41
KB
-rwxr-xr-x
pkaction
18.3
KB
-rwxr-xr-x
pkcheck
22.3
KB
-rwxr-xr-x
pkcs11-tool
184.61
KB
-rwxr-xr-x
pkill
34.47
KB
-rwxr-xr-x
pkttyagent
22.3
KB
-rwxr-xr-x
pldd
22.44
KB
-rwxr-xr-x
plymouth
46.3
KB
-rwxr-xr-x
pmap
34.4
KB
-rwxr-xr-x
pr
70.58
KB
-rwxr-xr-x
printenv
34.38
KB
-rwxr-xr-x
printf
54.44
KB
-rwxr-xr-x
prlimit
26.89
KB
-rwxr-xr-x
ps
142.99
KB
-rwxr-xr-x
ptx
54.54
KB
-rwxr-xr-x
pwd
34.51
KB
-rwxr-xr-x
pwdx
14.38
KB
-rwxr-xr-x
py3clean
7.63
KB
-rwxr-xr-x
py3compile
13
KB
-rwxr-xr-x
py3versions
12.52
KB
-rwxr-xr-x
pydoc3
80
B
-rwxr-xr-x
pydoc3.12
80
B
-rwxr-xr-x
pygettext3
23.66
KB
-rwxr-xr-x
pygettext3.12
23.66
KB
-rwxr-xr-x
pyserial-miniterm
975
B
-rwxr-xr-x
pyserial-ports
969
B
-rwxr-xr-x
python3
7.65
MB
-rwxr-xr-x
python3.12
7.65
MB
-rwxr-xr-x
rbash
1.38
MB
-rwxr-xr-x
rdma
102.52
KB
-rwxr-xr-x
readlink
42.41
KB
-rwxr-xr-x
realpath
42.41
KB
-rwxr-xr-x
rename.ul
22.38
KB
-rwxr-xr-x
renice
14.38
KB
-rwxr-xr-x
reset
26.31
KB
-rwxr-xr-x
resizepart
22.38
KB
-rwxr-xr-x
resolvectl
158.67
KB
-rwxr-xr-x
rev
14.38
KB
-rwxr-xr-x
rgrep
30
B
-rwxr-xr-x
rm
58.51
KB
-rwxr-xr-x
rmdir
46.41
KB
-rwxr-xr-x
routel
1.62
KB
-rwxr-xr-x
rtstat
22.66
KB
-rwxr-xr-x
run-parts
26.82
KB
-rwxr-xr-x
runcon
34.51
KB
-rwxr-xr-x
rview
1.66
MB
-rwxr-xr-x
savelog
10.24
KB
-rwxr-xr-x
sbattach
22.54
KB
-rwxr-xr-x
sbkeysync
34.74
KB
-rwxr-xr-x
sbsiglist
14.6
KB
-rwxr-xr-x
sbsign
34.7
KB
-rwxr-xr-x
sbvarsign
22.73
KB
-rwxr-xr-x
sbverify
30.61
KB
-rwxr-xr-x
scp
134.59
KB
-rwxr-xr-x
script
54.38
KB
-rwxr-xr-x
scriptlive
42.38
KB
-rwxr-xr-x
scriptreplay
34.38
KB
-rwxr-xr-x
sdiff
50.39
KB
-rwxr-xr-x
sed
110.57
KB
-rwxr-xr-x
select-editor
2.39
KB
-rwxr-xr-x
sensible-browser
1.55
KB
-rwxr-xr-x
sensible-editor
1.52
KB
-rwxr-xr-x
sensible-pager
921
B
-rwxr-xr-x
sensible-terminal
1.15
KB
-rwxr-xr-x
seq
50.51
KB
-rwxr-xr-x
setarch
26.65
KB
-rwxr-xr-x
setpriv
38.38
KB
-rwxr-xr-x
setsid
14.38
KB
-rwxr-xr-x
setterm
34.38
KB
-rwxr-xr-x
sftp
150.66
KB
-rwxr-xr-x
sg
39.71
KB
-rwsr-xr-x
sh
126.74
KB
-rwxr-xr-x
sha1sum
38.41
KB
-rwxr-xr-x
sha224sum
38.41
KB
-rwxr-xr-x
sha256sum
38.41
KB
-rwxr-xr-x
sha384sum
38.41
KB
-rwxr-xr-x
sha512sum
38.41
KB
-rwxr-xr-x
shred
54.51
KB
-rwxr-xr-x
shuf
46.51
KB
-rwxr-xr-x
skill
26.41
KB
-rwxr-xr-x
slabtop
22.44
KB
-rwxr-xr-x
sleep
34.51
KB
-rwxr-xr-x
slogin
827.04
KB
-rwxr-xr-x
snap
21.18
MB
-rwxr-xr-x
snice
26.41
KB
-rwxr-xr-x
sort
102.8
KB
-rwxr-xr-x
splash-client
404
B
-rwxr-xr-x
split
54.94
KB
-rwxr-xr-x
sqfscat
147.9
KB
-rwxr-xr-x
sqfstar
286.95
KB
-rwxr-xr-x
ss
129.07
KB
-rwxr-xr-x
ssh
827.04
KB
-rwxr-xr-x
ssh-add
294.42
KB
-rwxr-xr-x
ssh-agent
302.43
KB
-rwxr-sr-x
ssh-argv0
1.42
KB
-rwxr-xr-x
ssh-copy-id
12.77
KB
-rwxr-xr-x
ssh-keygen
442.44
KB
-rwxr-xr-x
ssh-keyscan
330.44
KB
-rwxr-xr-x
stat
86.52
KB
-rwxr-xr-x
stdbuf
50.51
KB
-rwxr-xr-x
stty
78.52
KB
-rwxr-xr-x
su
54.38
KB
-rwsr-xr-x
sudo
271.42
KB
-rwsr-xr-x
sudoedit
271.42
KB
-rwsr-xr-x
sudoreplay
95.95
KB
-rwxr-xr-x
sum
34.41
KB
-rwxr-xr-x
sync
34.41
KB
-rwxr-xr-x
systemctl
1.43
MB
-rwxr-xr-x
systemd
98.45
KB
-rwxr-xr-x
systemd-ac-power
14.45
KB
-rwxr-xr-x
systemd-analyze
198.85
KB
-rwxr-xr-x
systemd-ask-password
18.58
KB
-rwxr-xr-x
systemd-cat
18.45
KB
-rwxr-xr-x
systemd-cgls
22.57
KB
-rwxr-xr-x
systemd-cgtop
38.47
KB
-rwxr-xr-x
systemd-confext
54.64
KB
-rwxr-xr-x
systemd-creds
42.72
KB
-rwxr-xr-x
systemd-cryptenroll
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Code Editor : ssh-copy-id
#!/bin/sh # Copyright (c) 1999-2023 Philip Hands <phil@hands.com> # 2021 Carlos Rodríguez Gili <carlos.rodriguez-gili@upc.edu> # 2020 Matthias Blümel <blaimi@blaimi.de> # 2017 Sebastien Boyron <seb@boyron.eu> # 2013 Martin Kletzander <mkletzan@redhat.com> # 2010 Adeodato =?iso-8859-1?Q?Sim=F3?= <asp16@alu.ua.es> # 2010 Eric Moret <eric.moret@gmail.com> # 2009 Xr <xr@i-jeuxvideo.com> # 2007 Justin Pryzby <justinpryzby@users.sourceforge.net> # 2004 Reini Urban <rurban@x-ray.at> # 2003 Colin Watson <cjwatson@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: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. 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. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. # Shell script to install your public key(s) on a remote machine # See the ssh-copy-id(1) man page for details # shellcheck shell=dash # check that we have something mildly sane as our shell, or try to find something better if false ^ printf "%s: WARNING: ancient shell, hunting for a more modern one... " "$0" then SANE_SH=${SANE_SH:-/usr/bin/ksh} if printf 'true ^ false\n' | "$SANE_SH" then printf "'%s' seems viable.\\n" "$SANE_SH" exec "$SANE_SH" "$0" "$@" else cat <<-EOF oh dear. If you have a more recent shell available, that supports \$(...) etc. please try setting the environment variable SANE_SH to the path of that shell, and then retry running this script. If that works, please report a bug describing your setup, and the shell you used to make it work. EOF printf '%s: ERROR: Less dimwitted shell required.\n' "$0" exit 1 fi fi # shellcheck disable=SC2010 DEFAULT_PUB_ID_FILE=$(ls -t "${HOME}"/.ssh/id*.pub 2>/dev/null | grep -v -- '-cert.pub$' | head -n 1) SSH="ssh -a -x" TARGET_PATH=".ssh/authorized_keys" umask 0177 usage () { printf 'Usage: %s [-h|-?|-f|-n|-s|-x] [-i [identity_file]] [-p port] [-F alternative ssh_config file] [-t target_path] [[-o <ssh -o options>] ...] [user@]hostname\n' "$0" >&2 printf '\t-f: force mode -- copy keys without trying to check if they are already installed\n' >&2 printf '\t-n: dry run -- no keys are actually copied\n' >&2 printf '\t-s: use sftp -- use sftp instead of executing remote-commands. Can be useful if the remote only allows sftp\n' >&2 printf '\t-x: debug -- enables -x in this shell, for debugging\n' >&2 printf '\t-h|-?: print this help\n' >&2 exit 1 } # escape any single quotes in an argument quote() { printf '%s\n' "$1" | sed -e "s/'/'\\\\''/g" } use_id_file() { L_ID_FILE="$1" if [ -z "$L_ID_FILE" ] ; then printf '%s: ERROR: no ID file found\n' "$0" exit 1 fi if expr "$L_ID_FILE" : '.*\.pub$' >/dev/null ; then PUB_ID_FILE="$L_ID_FILE" else PUB_ID_FILE="$L_ID_FILE.pub" fi [ "$FORCED" ] || PRIV_ID_FILE=$(dirname "$PUB_ID_FILE")/$(basename "$PUB_ID_FILE" .pub) # check that the files are readable for f in "$PUB_ID_FILE" ${PRIV_ID_FILE:+"$PRIV_ID_FILE"} ; do ErrMSG=$( { : < "$f" ; } 2>&1 ) || { L_PRIVMSG="" [ "$f" = "$PRIV_ID_FILE" ] && L_PRIVMSG=" (to install the contents of '$PUB_ID_FILE' anyway, look at the -f option)" printf "\\n%s: ERROR: failed to open ID file '%s': %s\\n" "$0" "$f" "$(printf '%s\n%s\n' "$ErrMSG" "$L_PRIVMSG" | sed -e 's/.*: *//')" exit 1 } done printf '%s: INFO: Source of key(s) to be installed: "%s"\n' "$0" "$PUB_ID_FILE" >&2 GET_ID="cat \"$PUB_ID_FILE\"" } if [ -n "$SSH_AUTH_SOCK" ] && ssh-add -L >/dev/null 2>&1 ; then GET_ID="ssh-add -L" fi while getopts "i:o:p:F:t:fnsxh?" OPT do case "$OPT" in i) [ "${SEEN_OPT_I}" ] && { printf '\n%s: ERROR: -i option must not be specified more than once\n\n' "$0" usage } SEEN_OPT_I="yes" use_id_file "${OPTARG:-$DEFAULT_PUB_ID_FILE}" ;; o|F) OPTS_oF="${OPTS_oF:+$OPTS_oF }-$OPT '$(quote "${OPTARG}")'" ;; f) FORCED=1 ;; n) DRY_RUN=1 ;; p) SSH_PORT=${OPTARG} ;; s) SFTP=sftp ;; t) TARGET_PATH="${OPTARG}" ;; x) SET_X="set -x;" set -x ;; h|\?) usage ;; esac done #shift all args to keep only USER_HOST shift $((OPTIND-1)) if [ $# = 0 ] ; then usage fi if [ $# != 1 ] ; then printf '%s: ERROR: Too many arguments. Expecting a target hostname, got: %s\n\n' "$0" "$SAVEARGS" >&2 usage fi USER_HOST="$*" # tack the hostname onto SSH_OPTS OPTS_USER_HOST="${OPTS_oF:+$OPTS_oF }'$(quote "$USER_HOST")'" SSH_OPTS="${SSH_PORT:+-p $SSH_PORT }$OPTS_USER_HOST" # and populate "$@" for later use (only way to get proper quoting of options) eval set -- "$SSH_OPTS" # shellcheck disable=SC2086 if [ -z "$(eval $GET_ID)" ] && [ -r "${PUB_ID_FILE:=$DEFAULT_PUB_ID_FILE}" ] ; then use_id_file "$PUB_ID_FILE" fi # shellcheck disable=SC2086 if [ -z "$(eval $GET_ID)" ] ; then printf '%s: ERROR: No identities found\n' "$0" >&2 exit 1 fi # filter_ids() # tries to log in using the keys piped to it, and filters out any that work filter_ids() { L_SUCCESS="$1" L_TMP_ID_FILE="$SCRATCH_DIR"/popids_tmp_id L_OUTPUT_FILE="$SCRATCH_DIR"/popids_output # repopulate "$@" inside this function eval set -- "$SSH_OPTS" while read -r ID || [ "$ID" ] ; do printf '%s\n' "$ID" > "$L_TMP_ID_FILE" # the next line assumes $PRIV_ID_FILE only set if using a single id file - this # assumption will break if we implement the possibility of multiple -i options. # The point being that if file based, ssh needs the private key, which it cannot # find if only given the contents of the .pub file in an unrelated tmpfile $SSH -i "${PRIV_ID_FILE:-$L_TMP_ID_FILE}" \ -o ControlPath=none \ -o LogLevel=INFO \ -o PreferredAuthentications=publickey \ -o IdentitiesOnly=yes "$@" exit >"$L_OUTPUT_FILE" 2>&1 </dev/null if [ "$?" = "$L_SUCCESS" ] || { [ "$SFTP" ] && grep 'allows sftp connections only' "$L_OUTPUT_FILE" >/dev/null # this error counts as a success if we're setting up an sftp connection } then : > "$L_TMP_ID_FILE" else grep 'Permission denied' "$L_OUTPUT_FILE" >/dev/null || { sed -e 's/^/ERROR: /' <"$L_OUTPUT_FILE" >"$L_TMP_ID_FILE" cat >/dev/null #consume the other keys, causing loop to end } fi cat "$L_TMP_ID_FILE" done } # populate_new_ids() uses several global variables ($USER_HOST, $SSH_OPTS ...) # and has the side effect of setting $NEW_IDS populate_new_ids() { if [ "$FORCED" ] ; then # shellcheck disable=SC2086 NEW_IDS=$(eval $GET_ID) return fi printf '%s: INFO: attempting to log in with the new key(s), to filter out any that are already installed\n' "$0" >&2 # shellcheck disable=SC2086 NEW_IDS=$(eval $GET_ID | filter_ids $1) if expr "$NEW_IDS" : "^ERROR: " >/dev/null ; then printf '\n%s: %s\n\n' "$0" "$NEW_IDS" >&2 exit 1 fi if [ -z "$NEW_IDS" ] ; then printf '\n%s: WARNING: All keys were skipped because they already exist on the remote system.\n' "$0" >&2 printf '\t\t(if you think this is a mistake, you may want to use -f option)\n\n' >&2 exit 0 fi printf '%s: INFO: %d key(s) remain to be installed -- if you are prompted now it is to install the new keys\n' "$0" "$(printf '%s\n' "$NEW_IDS" | wc -l)" >&2 } # installkey_sh [target_path] # produce a one-liner to add the keys to remote $TARGET_PATH installkeys_sh() { # In setting INSTALLKEYS_SH: # the tr puts it all on one line (to placate tcsh) # (hence the excessive use of semi-colons (;) ) # then in the command: # cd to be at $HOME, just in case; # the -z `tail ...` checks for a trailing newline. The echo adds one if was missing # the cat adds the keys we're getting via STDIN # and if available restorecon is used to restore the SELinux context # OpenWrt has a special case for root only. INSTALLKEYS_SH=$(tr '\t\n' ' ' <<-EOF $SET_X cd; umask 077; AUTH_KEY_FILE="${TARGET_PATH}"; [ -f /etc/openwrt_release ] && [ "\$LOGNAME" = "root" ] && AUTH_KEY_FILE=/etc/dropbear/authorized_keys; AUTH_KEY_DIR=\`dirname "\${AUTH_KEY_FILE}"\`; mkdir -p "\${AUTH_KEY_DIR}" && { [ -z "\`tail -1c "\${AUTH_KEY_FILE}" 2>/dev/null\`" ] || echo >> "\${AUTH_KEY_FILE}" || exit 1; } && cat >> "\${AUTH_KEY_FILE}" || exit 1; if type restorecon >/dev/null 2>&1; then restorecon -F "\${AUTH_KEY_DIR}" "\${AUTH_KEY_FILE}"; fi EOF ) # to defend against quirky remote shells: use 'exec sh -c' to get POSIX; printf "exec sh -c '%s'" "${INSTALLKEYS_SH}" } #shellcheck disable=SC2120 # the 'eval set' confuses this installkeys_via_sftp() { AUTH_KEY_FILE=${TARGET_PATH} AUTH_KEY_DIR=$(dirname "${AUTH_KEY_FILE}") # repopulate "$@" inside this function eval set -- "$SSH_OPTS" L_KEYS=$SCRATCH_DIR/authorized_keys L_SHARED_CON=$SCRATCH_DIR/master-conn $SSH -f -N -M -S "$L_SHARED_CON" "$@" L_CLEANUP="$SSH -S $L_SHARED_CON -O exit 'ignored' >/dev/null 2>&1 ; $SCRATCH_CLEANUP" #shellcheck disable=SC2064 trap "$L_CLEANUP" EXIT TERM INT QUIT sftp -b - -o "ControlPath=$L_SHARED_CON" "ignored" <<-EOF || return 1 -get "$AUTH_KEY_FILE" "$L_KEYS" EOF # add a newline or create file if it's missing, same like above [ -z "$(tail -1c "$L_KEYS" 2>/dev/null)" ] || echo >> "$L_KEYS" # append the keys being piped in here cat >> "$L_KEYS" sftp -b - -o "ControlPath=$L_SHARED_CON" "ignored" <<-EOF || return 1 -mkdir "$AUTH_KEY_DIR" chmod 700 "$AUTH_KEY_DIR" put $L_KEYS "$AUTH_KEY_FILE" chmod 600 "$AUTH_KEY_FILE" EOF #shellcheck disable=SC2064 eval "$L_CLEANUP" && trap "$SCRATCH_CLEANUP" EXIT TERM INT QUIT } # create a scratch dir for any temporary files needed if SCRATCH_DIR=$(mktemp -d ~/.ssh/ssh-copy-id.XXXXXXXXXX) && [ "$SCRATCH_DIR" ] && [ -d "$SCRATCH_DIR" ] then chmod 0700 "$SCRATCH_DIR" SCRATCH_CLEANUP="rm -rf \"$SCRATCH_DIR\"" #shellcheck disable=SC2064 trap "$SCRATCH_CLEANUP" EXIT TERM INT QUIT else printf '%s: ERROR: failed to create required temporary directory under ~/.ssh\n' "$0" >&2 exit 1 fi REMOTE_VERSION=$($SSH -v -o PreferredAuthentications=',' -o ControlPath=none "$@" 2>&1 | sed -ne 's/.*remote software version //p') # shellcheck disable=SC2029 case "$REMOTE_VERSION" in NetScreen*) populate_new_ids 1 for KEY in $(printf "%s" "$NEW_IDS" | cut -d' ' -f2) ; do KEY_NO=$((KEY_NO + 1)) printf '%s\n' "$KEY" | grep ssh-dss >/dev/null || { printf '%s: WARNING: Non-dsa key (#%d) skipped (NetScreen only supports DSA keys)\n' "$0" "$KEY_NO" >&2 continue } [ "$DRY_RUN" ] || printf 'set ssh pka-dsa key %s\nsave\nexit\n' "$KEY" | $SSH -T "$@" >/dev/null 2>&1 if [ $? = 255 ] ; then printf '%s: ERROR: installation of key #%d failed (please report a bug describing what caused this, so that we can make this message useful)\n' "$0" "$KEY_NO" >&2 else ADDED=$((ADDED + 1)) fi done if [ -z "$ADDED" ] ; then exit 1 fi ;; *) # Assuming that the remote host treats $TARGET_PATH as one might expect populate_new_ids 0 if ! [ "$DRY_RUN" ] ; then printf '%s\n' "$NEW_IDS" | \ if [ "$SFTP" ] ; then #shellcheck disable=SC2119 installkeys_via_sftp else $SSH "$@" "$(installkeys_sh)" fi || exit 1 fi ADDED=$(printf '%s\n' "$NEW_IDS" | wc -l) ;; esac if [ "$DRY_RUN" ] ; then cat <<-EOF =-=-=-=-=-=-=-= Would have added the following key(s): $NEW_IDS =-=-=-=-=-=-=-= EOF else [ -z "$SFTP" ] || PORT_OPT=P cat <<-EOF Number of key(s) added: $ADDED Now try logging into the machine, with: "${SFTP:-ssh}${SSH_PORT:+ -${PORT_OPT:-p} $SSH_PORT} ${OPTS_USER_HOST}" and check to make sure that only the key(s) you wanted were added. EOF fi # =-=-=-=
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