1#!/bin/sh 2#- 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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# $FreeBSD$ 30 31usage() { 32 echo "usage: ssh-copy-id [-lv] [-i keyfile] [-o option] [-p port] [user@]hostname" >&2 33 exit 1 34} 35 36sendkey() { 37 local h="$1" 38 local k="$2" 39 printf "%s\n" "$k" | ssh $port -S none $options "$user$h" /bin/sh -c \'' \ 40 set -e; \ 41 umask 077; \ 42 keyfile=$HOME/.ssh/authorized_keys ; \ 43 mkdir -p -- "$HOME/.ssh/" ; \ 44 while read alg key comment ; do \ 45 [ -n "$key" ] || continue; \ 46 if ! grep -sqwF "$key" "$keyfile"; then \ 47 printf "$alg $key $comment\n" >> "$keyfile" ; \ 48 fi ; \ 49 done ; \ 50 if [ -x /sbin/restorecon ]; then \ 51 /sbin/restorecon -F "$HOME/.ssh/" "$keyfile" >/dev/null 2>&1 || true ; \ 52 fi \ 53 '\' 54} 55 56agentKeys() { 57 keys="$(ssh-add -L | grep -v 'The agent has no identities.')$nl$keys" 58} 59 60keys="" 61host="" 62hasarg="" 63user="" 64port="" 65nl=" 66" 67options="" 68 69IFS=$nl 70 71while getopts 'i:lo:p:v' arg; do 72 case $arg in 73 i) 74 hasarg="x" 75 if [ -r "${OPTARG}.pub" ]; then 76 keys="$(cat -- "${OPTARG}.pub")$nl$keys" 77 elif [ -r "$OPTARG" ]; then 78 keys="$(cat -- "$OPTARG")$nl$keys" 79 else 80 echo "File $OPTARG not found" >&2 81 exit 1 82 fi 83 ;; 84 l) 85 hasarg="x" 86 agentKeys 87 ;; 88 p) 89 port=-p$nl$OPTARG 90 ;; 91 o) 92 options=$options$nl-o$nl$OPTARG 93 ;; 94 v) 95 options="$options$nl-v" 96 ;; 97 *) 98 usage 99 ;; 100 esac 101done >&2 102 103shift $((OPTIND-1)) 104 105if [ -z "$hasarg" ]; then 106 agentKeys 107fi 108if [ -z "$keys" ] || [ "$keys" = "$nl" ]; then 109 echo "no keys found" >&2 110 exit 1 111fi 112if [ "$#" -eq 0 ]; then 113 usage 114fi 115 116for host in "$@"; do 117 sendkey "$host" "$keys" 118done 119