1#!/bin/sh 2#- 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2012 Eitan Adler 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer 12# in this position and unchanged. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30usage() { 31 echo "usage: ssh-copy-id [-lv] [-i keyfile] [-o option] [-p port] [user@]hostname" >&2 32 exit 1 33} 34 35sendkey() { 36 local h="$1" 37 local k="$2" 38 printf "%s\n" "$k" | ssh $port -S none $options "$user$h" /bin/sh -c \'' \ 39 set -e; \ 40 umask 077; \ 41 keyfile=$HOME/.ssh/authorized_keys ; \ 42 mkdir -p -- "$HOME/.ssh/" ; \ 43 while read alg key comment ; do \ 44 [ -n "$key" ] || continue; \ 45 if ! grep -sqwF "$key" "$keyfile"; then \ 46 printf "$alg $key $comment\n" >> "$keyfile" ; \ 47 fi ; \ 48 done ; \ 49 if [ -x /sbin/restorecon ]; then \ 50 /sbin/restorecon -F "$HOME/.ssh/" "$keyfile" >/dev/null 2>&1 || true ; \ 51 fi \ 52 '\' 53} 54 55agentKeys() { 56 keys="$(ssh-add -L | grep -v 'The agent has no identities.')$nl$keys" 57} 58 59keys="" 60host="" 61hasarg="" 62user="" 63port="" 64nl=" 65" 66options="" 67 68IFS=$nl 69 70while getopts 'i:lo:p:v' arg; do 71 case $arg in 72 i) 73 hasarg="x" 74 if [ -r "${OPTARG}.pub" ]; then 75 keys="$(cat -- "${OPTARG}.pub")$nl$keys" 76 elif [ -r "$OPTARG" ]; then 77 keys="$(cat -- "$OPTARG")$nl$keys" 78 else 79 echo "File $OPTARG not found" >&2 80 exit 1 81 fi 82 ;; 83 l) 84 hasarg="x" 85 agentKeys 86 ;; 87 p) 88 port=-p$nl$OPTARG 89 ;; 90 o) 91 options=$options$nl-o$nl$OPTARG 92 ;; 93 v) 94 options="$options$nl-v" 95 ;; 96 *) 97 usage 98 ;; 99 esac 100done >&2 101 102shift $((OPTIND-1)) 103 104if [ -z "$hasarg" ]; then 105 agentKeys 106fi 107if [ -z "$keys" ] || [ "$keys" = "$nl" ]; then 108 echo "no keys found" >&2 109 exit 1 110fi 111if [ "$#" -eq 0 ]; then 112 usage 113fi 114 115for host in "$@"; do 116 sendkey "$host" "$keys" 117done 118