1#	$OpenBSD: agent.sh,v 1.13 2017/12/19 00:49:30 djm Exp $
2#	Placed in the Public Domain.
3
4tid="simple agent test"
5
6SSH_AUTH_SOCK=/nonexistent ${SSHADD} -l > /dev/null 2>&1
7if [ $? -ne 2 ]; then
8	fail "ssh-add -l did not fail with exit code 2"
9fi
10
11trace "start agent"
12eval `${SSHAGENT} -s` > /dev/null
13r=$?
14if [ $r -ne 0 ]; then
15	fatal "could not start ssh-agent: exit code $r"
16fi
17
18${SSHADD} -l > /dev/null 2>&1
19if [ $? -ne 1 ]; then
20	fail "ssh-add -l did not fail with exit code 1"
21fi
22
23rm -f $OBJ/user_ca_key $OBJ/user_ca_key.pub
24${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_ca_key \
25	|| fatal "ssh-keygen failed"
26
27trace "overwrite authorized keys"
28printf '' > $OBJ/authorized_keys_$USER
29
30for t in ${SSH_KEYTYPES}; do
31	# generate user key for agent
32	rm -f $OBJ/$t-agent $OBJ/$t-agent.pub*
33	${SSHKEYGEN} -q -N '' -t $t -f $OBJ/$t-agent ||\
34		 fatal "ssh-keygen for $t-agent failed"
35	# Make a certificate for each too.
36	${SSHKEYGEN} -qs $OBJ/user_ca_key -I "$t cert" \
37		-n estragon $OBJ/$t-agent.pub || fatal "ca sign failed"
38
39	# add to authorized keys
40	cat $OBJ/$t-agent.pub >> $OBJ/authorized_keys_$USER
41	# add privat key to agent
42	${SSHADD} $OBJ/$t-agent > /dev/null 2>&1
43	if [ $? -ne 0 ]; then
44		fail "ssh-add did succeed exit code 0"
45	fi
46	# Remove private key to ensure that we aren't accidentally using it.
47	rm -f $OBJ/$t-agent
48done
49
50# Remove explicit identity directives from ssh_proxy
51mv $OBJ/ssh_proxy $OBJ/ssh_proxy_bak
52grep -vi identityfile $OBJ/ssh_proxy_bak > $OBJ/ssh_proxy
53
54${SSHADD} -l > /dev/null 2>&1
55r=$?
56if [ $r -ne 0 ]; then
57	fail "ssh-add -l failed: exit code $r"
58fi
59# the same for full pubkey output
60${SSHADD} -L > /dev/null 2>&1
61r=$?
62if [ $r -ne 0 ]; then
63	fail "ssh-add -L failed: exit code $r"
64fi
65
66trace "simple connect via agent"
67${SSH} -F $OBJ/ssh_proxy somehost exit 52
68r=$?
69if [ $r -ne 52 ]; then
70	fail "ssh connect with failed (exit code $r)"
71fi
72
73for t in ${SSH_KEYTYPES}; do
74	trace "connect via agent using $t key"
75	${SSH} -F $OBJ/ssh_proxy -i $OBJ/$t-agent.pub -oIdentitiesOnly=yes \
76		somehost exit 52
77	r=$?
78	if [ $r -ne 52 ]; then
79		fail "ssh connect with failed (exit code $r)"
80	fi
81done
82
83trace "agent forwarding"
84${SSH} -A -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1
85r=$?
86if [ $r -ne 0 ]; then
87	fail "ssh-add -l via agent fwd failed (exit code $r)"
88fi
89${SSH} -A -F $OBJ/ssh_proxy somehost \
90	"${SSH} -F $OBJ/ssh_proxy somehost exit 52"
91r=$?
92if [ $r -ne 52 ]; then
93	fail "agent fwd failed (exit code $r)"
94fi
95
96(printf 'cert-authority,principals="estragon" '; cat $OBJ/user_ca_key.pub) \
97	> $OBJ/authorized_keys_$USER
98for t in ${SSH_KEYTYPES}; do
99	trace "connect via agent using $t key"
100	${SSH} -F $OBJ/ssh_proxy -i $OBJ/$t-agent.pub \
101		-oCertificateFile=$OBJ/$t-agent-cert.pub \
102		-oIdentitiesOnly=yes somehost exit 52
103	r=$?
104	if [ $r -ne 52 ]; then
105		fail "ssh connect with failed (exit code $r)"
106	fi
107done
108
109trace "delete all agent keys"
110${SSHADD} -D > /dev/null 2>&1
111r=$?
112if [ $r -ne 0 ]; then
113	fail "ssh-add -D failed: exit code $r"
114fi
115
116trace "kill agent"
117${SSHAGENT} -k > /dev/null
118