Current Dir: /usr/bin/
[FILE] aclocal [ edit | delete | rename ]
[FILE] aclocal-1.16 [ edit | delete | rename ]
[FILE] addr2line [ edit | delete | rename ]
[FILE] agentxtrap [ edit | delete | rename ]
[FILE] animate [ edit | delete | rename ]
[FILE] ar [ edit | delete | rename ]
[FILE] arch [ edit | delete | rename ]
[FILE] arpaname [ edit | delete | rename ]
[FILE] as [ edit | delete | rename ]
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[FILE] autoconf [ edit | delete | rename ]
[FILE] autoheader [ edit | delete | rename ]
[FILE] autom4te [ edit | delete | rename ]
[FILE] automake [ edit | delete | rename ]
[FILE] automake-1.16 [ edit | delete | rename ]
[FILE] autoreconf [ edit | delete | rename ]
[FILE] autoscan [ edit | delete | rename ]
[FILE] autoupdate [ edit | delete | rename ]
[FILE] awk [ edit | delete | rename ]
[FILE] b2sum [ edit | delete | rename ]
[FILE] base32 [ edit | delete | rename ]
[FILE] base64 [ edit | delete | rename ]
[FILE] basename [ edit | delete | rename ]
[FILE] basenc [ edit | delete | rename ]
[FILE] bash [ edit | delete | rename ]
[FILE] bashbug-64 [ edit | delete | rename ]
[FILE] batch [ edit | delete | rename ]
[FILE] bison [ edit | delete | rename ]
[FILE] bunzip2 [ edit | delete | rename ]
[FILE] bzcat [ edit | delete | rename ]
[FILE] bzcmp [ edit | delete | rename ]
[FILE] bzdiff [ edit | delete | rename ]
[FILE] bzgrep [ edit | delete | rename ]
[FILE] bzip2 [ edit | delete | rename ]
[FILE] bzip2recover [ edit | delete | rename ]
[FILE] bzless [ edit | delete | rename ]
[FILE] bzmore [ edit | delete | rename ]
[FILE] c++ [ edit | delete | rename ]
[FILE] c++filt [ edit | delete | rename ]
[FILE] c89 [ edit | delete | rename ]
[FILE] c99 [ edit | delete | rename ]
[FILE] cagefs_enter.proxied [ edit | delete | rename ]
[FILE] cal [ edit | delete | rename ]
[FILE] captoinfo [ edit | delete | rename ]
[FILE] cat [ edit | delete | rename ]
[FILE] catchsegv [ edit | delete | rename ]
[FILE] cc [ edit | delete | rename ]
[FILE] chcon [ edit | delete | rename ]
[FILE] chgrp [ edit | delete | rename ]
[FILE] chmod [ edit | delete | rename ]
[FILE] chown [ edit | delete | rename ]
[FILE] chrt [ edit | delete | rename ]
[FILE] cksum [ edit | delete | rename ]
[FILE] cldetect [ edit | delete | rename ]
[FILE] clear [ edit | delete | rename ]
[FILE] cmp [ edit | delete | rename ]
[FILE] col [ edit | delete | rename ]
[FILE] colcrt [ edit | delete | rename ]
[FILE] colrm [ edit | delete | rename ]
[FILE] column [ edit | delete | rename ]
[FILE] comm [ edit | delete | rename ]
[FILE] compare [ edit | delete | rename ]
[FILE] composite [ edit | delete | rename ]
[FILE] conjure [ edit | delete | rename ]
[FILE] convert [ edit | delete | rename ]
[FILE] cp [ edit | delete | rename ]
[FILE] cpan [ edit | delete | rename ]
[FILE] cpp [ edit | delete | rename ]
[FILE] crontab [ edit | delete | rename ]
[FILE] crontab.cagefs [ edit | delete | rename ]
[FILE] csplit [ edit | delete | rename ]
[FILE] curl [ edit | delete | rename ]
[FILE] cut [ edit | delete | rename ]
[FILE] cyrusbdb2current [ edit | delete | rename ]
[FILE] date [ edit | delete | rename ]
[FILE] dbiprof [ edit | delete | rename ]
[FILE] dd [ edit | delete | rename ]
[FILE] delv [ edit | delete | rename ]
[FILE] df [ edit | delete | rename ]
[FILE] diff [ edit | delete | rename ]
[FILE] diff3 [ edit | delete | rename ]
[FILE] dig [ edit | delete | rename ]
[FILE] dir [ edit | delete | rename ]
[FILE] dircolors [ edit | delete | rename ]
[FILE] dirname [ edit | delete | rename ]
[FILE] display [ edit | delete | rename ]
[FILE] dnstap-read [ edit | delete | rename ]
[FILE] du [ edit | delete | rename ]
[FILE] echo [ edit | delete | rename ]
[FILE] ed [ edit | delete | rename ]
[FILE] egrep [ edit | delete | rename ]
[FILE] enc2xs [ edit | delete | rename ]
[FILE] enchant [ edit | delete | rename ]
[FILE] enchant-lsmod [ edit | delete | rename ]
[FILE] env [ edit | delete | rename ]
[FILE] eps2eps [ edit | delete | rename ]
[FILE] eqn [ edit | delete | rename ]
[FILE] ex [ edit | delete | rename ]
[FILE] expand [ edit | delete | rename ]
[FILE] expr [ edit | delete | rename ]
[FILE] factor [ edit | delete | rename ]
[FILE] false [ edit | delete | rename ]
[FILE] fc-cache [ edit | delete | rename ]
[FILE] fc-cache-64 [ edit | delete | rename ]
[FILE] fc-cat [ edit | delete | rename ]
[FILE] fc-conflist [ edit | delete | rename ]
[FILE] fc-list [ edit | delete | rename ]
[FILE] fc-match [ edit | delete | rename ]
[FILE] fc-pattern [ edit | delete | rename ]
[FILE] fc-query [ edit | delete | rename ]
[FILE] fc-scan [ edit | delete | rename ]
[FILE] fc-validate [ edit | delete | rename ]
[FILE] fgrep [ edit | delete | rename ]
[FILE] file [ edit | delete | rename ]
[FILE] find [ edit | delete | rename ]
[FILE] flex [ edit | delete | rename ]
[FILE] flex++ [ edit | delete | rename ]
[FILE] flock [ edit | delete | rename ]
[FILE] fmt [ edit | delete | rename ]
[FILE] fold [ edit | delete | rename ]
[FILE] free [ edit | delete | rename ]
[FILE] freetype-config [ edit | delete | rename ]
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[FILE] gcc-nm [ edit | delete | rename ]
[FILE] gcc-ranlib [ edit | delete | rename ]
[FILE] gcov [ edit | delete | rename ]
[FILE] gcov-dump [ edit | delete | rename ]
[FILE] gcov-tool [ edit | delete | rename ]
[FILE] gencat [ edit | delete | rename ]
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[FILE] geoiplookup6 [ edit | delete | rename ]
[FILE] geqn [ edit | delete | rename ]
[FILE] GET [ edit | delete | rename ]
[FILE] getconf [ edit | delete | rename ]
[FILE] getent [ edit | delete | rename ]
[FILE] getopt [ edit | delete | rename ]
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[FILE] git-shell [ edit | delete | rename ]
[FILE] git-upload-archive [ edit | delete | rename ]
[FILE] git-upload-pack [ edit | delete | rename ]
[FILE] gm [ edit | delete | rename ]
[FILE] gmake [ edit | delete | rename ]
[FILE] gneqn [ edit | delete | rename ]
[FILE] gnroff [ edit | delete | rename ]
[FILE] gpg [ edit | delete | rename ]
[FILE] gpg-agent [ edit | delete | rename ]
[FILE] gpg-error [ edit | delete | rename ]
[FILE] gpgsplit [ edit | delete | rename ]
[FILE] gpgv [ edit | delete | rename ]
[FILE] gpic [ edit | delete | rename ]
[FILE] gprof [ edit | delete | rename ]
[FILE] grep [ edit | delete | rename ]
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[FILE] groups [ edit | delete | rename ]
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[FILE] gsnd [ edit | delete | rename ]
[FILE] gsoelim [ edit | delete | rename ]
[FILE] gtar [ edit | delete | rename ]
[FILE] gtbl [ edit | delete | rename ]
[FILE] gtroff [ edit | delete | rename ]
[FILE] gunzip [ edit | delete | rename ]
[FILE] gzexe [ edit | delete | rename ]
[FILE] gzip [ edit | delete | rename ]
[FILE] h2ph [ edit | delete | rename ]
[FILE] h2xs [ edit | delete | rename ]
[FILE] head [ edit | delete | rename ]
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[FILE] host [ edit | delete | rename ]
[FILE] hostid [ edit | delete | rename ]
[FILE] hostname [ edit | delete | rename ]
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[FILE] iconv [ edit | delete | rename ]
[FILE] icu-config [ edit | delete | rename ]
[FILE] icu-config-64 [ edit | delete | rename ]
[FILE] icuinfo [ edit | delete | rename ]
[FILE] id [ edit | delete | rename ]
[FILE] identify [ edit | delete | rename ]
[FILE] idn [ edit | delete | rename ]
[FILE] ifnames [ edit | delete | rename ]
[FILE] import [ edit | delete | rename ]
[FILE] infocmp [ edit | delete | rename ]
[FILE] infotocap [ edit | delete | rename ]
[FILE] install [ edit | delete | rename ]
[FILE] instmodsh [ edit | delete | rename ]
[FILE] ionice [ edit | delete | rename ]
[FILE] ipcrm [ edit | delete | rename ]
[FILE] ipcs [ edit | delete | rename ]
[FILE] isosize [ edit | delete | rename ]
[FILE] ispell [ edit | delete | rename ]
[FILE] join [ edit | delete | rename ]
[FILE] kill [ edit | delete | rename ]
[FILE] ld [ edit | delete | rename ]
[FILE] ld.bfd [ edit | delete | rename ]
[FILE] ldd [ edit | delete | rename ]
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[FILE] lessecho [ edit | delete | rename ]
[FILE] lesskey [ edit | delete | rename ]
[FILE] lesspipe.sh [ edit | delete | rename ]
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[FILE] libnetcfg [ edit | delete | rename ]
[FILE] libtool [ edit | delete | rename ]
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[FILE] logger [ edit | delete | rename ]
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[FILE] logname [ edit | delete | rename ]
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[FILE] Mail [ edit | delete | rename ]
[FILE] mail [ edit | delete | rename ]
[FILE] mailx [ edit | delete | rename ]
[FILE] make [ edit | delete | rename ]
[FILE] make-dummy-cert [ edit | delete | rename ]
[FILE] mariadb [ edit | delete | rename ]
[FILE] mariadb-access [ edit | delete | rename ]
[FILE] mariadb-admin [ edit | delete | rename ]
[FILE] mariadb-binlog [ edit | delete | rename ]
[FILE] mariadb-check [ edit | delete | rename ]
[FILE] mariadb-conv [ edit | delete | rename ]
[FILE] mariadb-convert-table-format [ edit | delete | rename ]
[FILE] mariadb-dump [ edit | delete | rename ]
[FILE] mariadb-dumpslow [ edit | delete | rename ]
[FILE] mariadb-embedded [ edit | delete | rename ]
[FILE] mariadb-find-rows [ edit | delete | rename ]
[FILE] mariadb-hotcopy [ edit | delete | rename ]
[FILE] mariadb-import [ edit | delete | rename ]
[FILE] mariadb-plugin [ edit | delete | rename ]
[FILE] mariadb-secure-installation [ edit | delete | rename ]
[FILE] mariadb-setpermission [ edit | delete | rename ]
[FILE] mariadb-show [ edit | delete | rename ]
[FILE] mariadb-slap [ edit | delete | rename ]
[FILE] mariadb-tzinfo-to-sql [ edit | delete | rename ]
[FILE] mariadb-waitpid [ edit | delete | rename ]
[FILE] mcookie [ edit | delete | rename ]
[FILE] md5sum [ edit | delete | rename ]
[FILE] mesg [ edit | delete | rename ]
[FILE] mkdir [ edit | delete | rename ]
[FILE] mkfifo [ edit | delete | rename ]
[FILE] mknod [ edit | delete | rename ]
[FILE] mktemp [ edit | delete | rename ]
[FILE] mogrify [ edit | delete | rename ]
[FILE] montage [ edit | delete | rename ]
[FILE] more [ edit | delete | rename ]
[FILE] msql2mysql [ edit | delete | rename ]
[FILE] mv [ edit | delete | rename ]
[FILE] mysql [ edit | delete | rename ]
[FILE] mysqlaccess [ edit | delete | rename ]
[FILE] mysqladmin [ edit | delete | rename ]
[FILE] mysqlbinlog [ edit | delete | rename ]
[FILE] mysqlcheck [ edit | delete | rename ]
[FILE] mysqldump [ edit | delete | rename ]
[FILE] mysqlimport [ edit | delete | rename ]
[FILE] mysqlshow [ edit | delete | rename ]
[FILE] mysql_config [ edit | delete | rename ]
[FILE] mysql_find_rows [ edit | delete | rename ]
[FILE] mysql_waitpid [ edit | delete | rename ]
[FILE] mytop [ edit | delete | rename ]
[FILE] my_print_defaults [ edit | delete | rename ]
[FILE] namei [ edit | delete | rename ]
[FILE] nano [ edit | delete | rename ]
[FILE] neqn [ edit | delete | rename ]
[FILE] net-snmp-create-v3-user [ edit | delete | rename ]
[FILE] nice [ edit | delete | rename ]
[FILE] nl [ edit | delete | rename ]
[FILE] nm [ edit | delete | rename ]
[FILE] nohup [ edit | delete | rename ]
[FILE] nproc [ edit | delete | rename ]
[FILE] nroff [ edit | delete | rename ]
[FILE] nslookup [ edit | delete | rename ]
[FILE] nsupdate [ edit | delete | rename ]
[FILE] numfmt [ edit | delete | rename ]
[FILE] objcopy [ edit | delete | rename ]
[FILE] objdump [ edit | delete | rename ]
[FILE] od [ edit | delete | rename ]
[FILE] openssl [ edit | delete | rename ]
[FILE] pango-list [ edit | delete | rename ]
[FILE] pango-segmentation [ edit | delete | rename ]
[FILE] pango-view [ edit | delete | rename ]
[FILE] passwd [ edit | delete | rename ]
[FILE] paste [ edit | delete | rename ]
[FILE] patch [ edit | delete | rename ]
[FILE] pathchk [ edit | delete | rename ]
[FILE] pdf2dsc [ edit | delete | rename ]
[FILE] pdf2ps [ edit | delete | rename ]
[FILE] perl [ edit | delete | rename ]
[FILE] perl5.32.1 [ edit | delete | rename ]
[FILE] perlbug [ edit | delete | rename ]
[FILE] perldoc [ edit | delete | rename ]
[FILE] perlivp [ edit | delete | rename ]
[FILE] perlml [ edit | delete | rename ]
[FILE] perlthanks [ edit | delete | rename ]
[FILE] pgrep [ edit | delete | rename ]
[FILE] php [ edit | delete | rename ]
[FILE] pic [ edit | delete | rename ]
[FILE] piconv [ edit | delete | rename ]
[FILE] ping [ edit | delete | rename ]
[FILE] pinky [ edit | delete | rename ]
[FILE] pkg-config [ edit | delete | rename ]
[FILE] pkill [ edit | delete | rename ]
[FILE] pl2pm [ edit | delete | rename ]
[FILE] pmap [ edit | delete | rename ]
[FILE] pod2html [ edit | delete | rename ]
[FILE] pod2man [ edit | delete | rename ]
[FILE] pod2text [ edit | delete | rename ]
[FILE] pod2usage [ edit | delete | rename ]
[FILE] podchecker [ edit | delete | rename ]
[FILE] post-grohtml [ edit | delete | rename ]
[FILE] pr [ edit | delete | rename ]
[FILE] pre-grohtml [ edit | delete | rename ]
[FILE] precat [ edit | delete | rename ]
[FILE] preunzip [ edit | delete | rename ]
[FILE] prezip [ edit | delete | rename ]
[FILE] prezip-bin [ edit | delete | rename ]
[FILE] printenv [ edit | delete | rename ]
[FILE] printf [ edit | delete | rename ]
[FILE] prove [ edit | delete | rename ]
[FILE] ps [ edit | delete | rename ]
[FILE] ps2ascii [ edit | delete | rename ]
[FILE] ps2epsi [ edit | delete | rename ]
[FILE] ps2pdf [ edit | delete | rename ]
[FILE] ps2pdf12 [ edit | delete | rename ]
[FILE] ps2pdf13 [ edit | delete | rename ]
[FILE] ps2pdf14 [ edit | delete | rename ]
[FILE] ps2pdfwr [ edit | delete | rename ]
[FILE] ps2ps [ edit | delete | rename ]
[FILE] ps2ps2 [ edit | delete | rename ]
[FILE] ptx [ edit | delete | rename ]
[FILE] pwd [ edit | delete | rename ]
[FILE] pwdx [ edit | delete | rename ]
[FILE] pydoc [ edit | delete | rename ]
[FILE] pydoc3 [ edit | delete | rename ]
[FILE] pydoc3.9 [ edit | delete | rename ]
[FILE] python [ edit | delete | rename ]
[FILE] python3 [ edit | delete | rename ]
[FILE] python3.9 [ edit | delete | rename ]
[FILE] ranlib [ edit | delete | rename ]
[FILE] readelf [ edit | delete | rename ]
[FILE] readlink [ edit | delete | rename ]
[FILE] realpath [ edit | delete | rename ]
[FILE] recode [ edit | delete | rename ]
[FILE] red [ edit | delete | rename ]
[FILE] rename [ edit | delete | rename ]
[FILE] renew-dummy-cert [ edit | delete | rename ]
[FILE] renice [ edit | delete | rename ]
[FILE] replace [ edit | delete | rename ]
[FILE] reset [ edit | delete | rename ]
[FILE] rev [ edit | delete | rename ]
[FILE] rm [ edit | delete | rename ]
[FILE] rmdir [ edit | delete | rename ]
[FILE] rnano [ edit | delete | rename ]
[FILE] run-with-aspell [ edit | delete | rename ]
[FILE] runcon [ edit | delete | rename ]
[FILE] rvi [ edit | delete | rename ]
[FILE] rview [ edit | delete | rename ]
[FILE] rvim [ edit | delete | rename ]
[FILE] scalar [ edit | delete | rename ]
[FILE] scl [ edit | delete | rename ]
[FILE] scl_enabled [ edit | delete | rename ]
[FILE] scl_source [ edit | delete | rename ]
[FILE] scp [ edit | delete | rename ]
[FILE] screen [ edit | delete | rename ]
[FILE] script [ edit | delete | rename ]
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[FILE] sed [ edit | delete | rename ]
[FILE] selectorctl [ edit | delete | rename ]
[FILE] seq [ edit | delete | rename ]
[FILE] setsid [ edit | delete | rename ]
[FILE] setterm [ edit | delete | rename ]
[FILE] sftp [ edit | delete | rename ]
[FILE] sh [ edit | delete | rename ]
[FILE] sha1sum [ edit | delete | rename ]
[FILE] sha224sum [ edit | delete | rename ]
[FILE] sha256sum [ edit | delete | rename ]
[FILE] sha384sum [ edit | delete | rename ]
[FILE] sha512sum [ edit | delete | rename ]
[FILE] shred [ edit | delete | rename ]
[FILE] shuf [ edit | delete | rename ]
[FILE] size [ edit | delete | rename ]
[FILE] skill [ edit | delete | rename ]
[FILE] slabtop [ edit | delete | rename ]
[FILE] sleep [ edit | delete | rename ]
[FILE] snice [ edit | delete | rename ]
[FILE] snmpconf [ edit | delete | rename ]
[FILE] soelim [ edit | delete | rename ]
[FILE] sort [ edit | delete | rename ]
[FILE] spell [ edit | delete | rename ]
[FILE] splain [ edit | delete | rename ]
[FILE] split [ edit | delete | rename ]
[FILE] sprof [ edit | delete | rename ]
[FILE] sqlite3 [ edit | delete | rename ]
[FILE] ssh [ edit | delete | rename ]
[FILE] ssh-add [ edit | delete | rename ]
[FILE] ssh-agent [ edit | delete | rename ]
[FILE] ssh-copy-id [ edit | delete | rename ]
[FILE] ssh-keygen [ edit | delete | rename ]
[FILE] ssh-keyscan [ edit | delete | rename ]
[FILE] stat [ edit | delete | rename ]
[FILE] stdbuf [ edit | delete | rename ]
[FILE] strace [ edit | delete | rename ]
[FILE] stream [ edit | delete | rename ]
[FILE] strings [ edit | delete | rename ]
[FILE] strip [ edit | delete | rename ]
[FILE] stty [ edit | delete | rename ]
[FILE] sum [ edit | delete | rename ]
[FILE] sync [ edit | delete | rename ]
[FILE] tabs [ edit | delete | rename ]
[FILE] tac [ edit | delete | rename ]
[FILE] tail [ edit | delete | rename ]
[FILE] tar [ edit | delete | rename ]
[FILE] taskset [ edit | delete | rename ]
[FILE] tbl [ edit | delete | rename ]
[FILE] tclsh [ edit | delete | rename ]
[FILE] tclsh8.6 [ edit | delete | rename ]
[FILE] tee [ edit | delete | rename ]
[FILE] test [ edit | delete | rename ]
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[FILE] timeout [ edit | delete | rename ]
[FILE] tload [ edit | delete | rename ]
[FILE] tmpwatch [ edit | delete | rename ]
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[FILE] uname [ edit | delete | rename ]
[FILE] unexpand [ edit | delete | rename ]
[FILE] uniq [ edit | delete | rename ]
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[FILE] zipgrep [ edit | delete | rename ]
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[FILE] zipnote [ edit | delete | rename ]
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[FILE] znew [ edit | delete | rename ]
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[FILE] [ [ edit | delete | rename ]
Viewing: /usr/bin/ssh-copy-id
#!/usr/bin/sh
# Copyright (c) 1999-2024 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' "$0" >&2
exit 1
fi
fi
# shellcheck disable=SC2010
DEFAULT_PUB_ID_FILE=$(ls -dt "${HOME}"/.ssh/id*.pub 2>/dev/null | grep -v -- '-cert.pub$' | 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]] [-t target_path] [-F ssh_config] [[-o ssh_option] ...] [-p port] [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' "$0" >&2
exit 1
fi
if expr "$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" "$L_PRIVMSG" | sed -e 's/.*: *//')" >&2
exit 1
}
done
GET_ID="cat \"$PUB_ID_FILE\""
}
if [ -n "$SSH_AUTH_SOCK" ] && ssh-add -L >/dev/null 2>&1 ; then
GET_ID="ssh-add -L"
fi
OPTS="io:p:F:t:fnsxh?"
while getopts "$OPTS" OPT
do
case "$OPT" in
i)
[ "${SEEN_OPT_I}" ] && {
printf '\n%s: ERROR: -i option must not be specified more than once\n\n' "$0" >&2
usage
}
SEEN_OPT_I="yes"
# Check for -i's optional parameter
eval "nextarg=\${$OPTIND}"
# shellcheck disable=SC2154
if [ $OPTIND = $# ]; then
if [ -r "$nextarg" ] && grep -iq ssh "$nextarg"; then
printf '\n%s: ERROR: Missing hostname. Use "-i -- %s" if you really mean to use this as the hostname\n\n' "$0" "$nextarg" >&2
usage
fi
elif ! expr -- "$nextarg" : "-[$(echo "$OPTS" | tr -d :)-]" >/dev/null ; then
# when not at the last arg, and not followed by an option, -i has an argument
OPTARG="$nextarg"
OPTIND=$((OPTIND + 1))
fi
use_id_file "${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
printf '%s: INFO: Source of key(s) to be installed: %s\n' "$0" "${GET_ID#cat }" >&2
# shellcheck disable=SC2086
if [ -z "$(eval $GET_ID)" ] ; then
printf '%s: ERROR: No identities found\n' "$0" >&2
exit 1
fi
# assert_scratch_ok()
# ensures that $SCRATCH_DIR is setup.
assert_scratch_ok() {
[ "$SCRATCH_DIR" ] && [ -d "$SCRATCH_DIR" ] && [ -w "$SCRATCH_DIR" ] && return 0
printf 'ERROR: Assertion failure: in %s(): scratch_dir was not correctly set up (SCRATCH_DIR = "%s")\n' "$1" "$SCRATCH_DIR" >&2
return 1
}
# filter_ids()
# tries to log in using the keys piped to it, and filters out any that work
filter_ids() {
L_SUCCESS="$1"
assert_scratch_ok filter_ids || return
L_TMP_ID_FILE="$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"
assert_scratch_ok installkeys_via_sftp || return 1
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 (HOME="%s")\n' "$0" "$HOME" >&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} ${SEEN_OPT_I:+-i${PRIV_ID_FILE:+ $PRIV_ID_FILE} }${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
# =-=-=-=