1#!/bin/sh 2#- 3# Copyright (c) 2012 Eitan Adler 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer 11# in this position and unchanged. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# $FreeBSD$ 29 30usage() { 31 echo "usage: ssh-copy-id [-l] [-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 '\' 50} 51 52agentKeys() { 53 keys="$(ssh-add -L | grep -v 'The agent has no identities.')$nl$keys" 54} 55 56keys="" 57host="" 58hasarg="" 59user="" 60port="" 61nl=" 62" 63options="" 64 65IFS=$nl 66 67while getopts 'i:lo:p:' arg; do 68 case $arg in 69 i) 70 hasarg="x" 71 if [ -r "$OPTARG" ]; then 72 keys="$(cat -- "$OPTARG")$nl$keys" 73 else 74 echo "File $OPTARG not found" >&2 75 exit 1 76 fi 77 ;; 78 l) 79 hasarg="x" 80 agentKeys 81 ;; 82 p) 83 port=-p$nl$OPTARG 84 ;; 85 o) 86 options=$options$nl-o$nl$OPTARG 87 ;; 88 *) 89 usage 90 ;; 91 esac 92done >&2 93 94shift $((OPTIND-1)) 95 96if [ -z "$hasarg" ]; then 97 agentKeys 98fi 99if [ -z "$keys" ] || [ "$keys" = "$nl" ]; then 100 echo "no keys found" >&2 101 exit 1 102fi 103if [ "$#" -eq 0 ]; then 104 usage 105fi 106 107for host in "$@"; do 108 sendkey "$host" "$keys" 109done 110