1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
#!/bin/sh
#-
# Copyright (c) 2012 Eitan Adler
# 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
# in this position and unchanged.
# 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
#
# $FreeBSD$
usage() {
echo "usage: ssh-copy-id [-l] [-i keyfile] [-o option] [-p port] [user@]hostname" >&2
exit 1
}
sendkey() {
local h="$1"
local k="$2"
printf "%s\n" "$k" | ssh $port -S none $options "$user$h" /bin/sh -c \'' \
set -e; \
umask 077; \
keyfile=$HOME/.ssh/authorized_keys ; \
mkdir -p -- "$HOME/.ssh/" ; \
while read alg key comment ; do \
[ -n "$key" ] || continue; \
if ! grep -sqwF "$key" "$keyfile"; then \
printf "$alg $key $comment\n" >> "$keyfile" ; \
fi ; \
done \
'\'
}
agentKeys() {
keys="$(ssh-add -L | grep -v 'The agent has no identities.')$nl$keys"
}
keys=""
host=""
hasarg=""
user=""
port=""
nl="
"
options=""
IFS=$nl
while getopts 'i:lo:p:' arg; do
case $arg in
i)
hasarg="x"
if [ -r "$OPTARG" ]; then
keys="$(cat -- "$OPTARG")$nl$keys"
else
echo "File $OPTARG not found" >&2
exit 1
fi
;;
l)
hasarg="x"
agentKeys
;;
p)
port=-p$nl$OPTARG
;;
o)
options=$options$nl-o$nl$OPTARG
;;
*)
usage
;;
esac
done >&2
shift $((OPTIND-1))
if [ -z "$hasarg" ]; then
agentKeys
fi
if [ -z "$keys" ] || [ "$keys" = "$nl" ]; then
echo "no keys found" >&2
exit 1
fi
if [ "$#" -eq 0 ]; then
usage
fi
for host in "$@"; do
sendkey "$host" "$keys"
done
|
