forked from openssh/openssh-portable
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathkrl.sh
217 lines (199 loc) · 6.95 KB
/
krl.sh
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
# $OpenBSD: krl.sh,v 1.11 2019/12/16 02:39:05 djm Exp $
# Placed in the Public Domain.
tid="key revocation lists"
# Use ed25519 by default since it's fast and it's supported when building
# w/out OpenSSL. Populate ktype[2-4] with the other types if supported.
ktype1=ed25519; ktype2=ed25519; ktype3=ed25519;
ktype4=ed25519; ktype5=ed25519; ktype6=ed25519;
for t in $SSH_KEYTYPES; do
case "$t" in
ecdsa*) ktype2=ecdsa ;;
ssh-rsa) ktype3=rsa ;;
ssh-dss) ktype4=dsa ;;
[email protected]) ktype5=ed25519-sk ;;
[email protected]) ktype6=ecdsa-sk ;;
esac
done
# Do most testing with ssh-keygen; it uses the same verification code as sshd.
# Old keys will interfere with ssh-keygen.
rm -f $OBJ/revoked-* $OBJ/krl-*
# Generate a CA key
$SSHKEYGEN -t $ktype1 -f $OBJ/revoked-ca -C "" -N "" > /dev/null ||
fatal "$SSHKEYGEN CA failed"
$SSHKEYGEN -t $ktype2 -f $OBJ/revoked-ca2 -C "" -N "" > /dev/null ||
fatal "$SSHKEYGEN CA2 failed"
# A specification that revokes some certificates by serial numbers
# The serial pattern is chosen to ensure the KRL includes list, range and
# bitmap sections.
cat << EOF >> $OBJ/revoked-serials
serial: 1-4
serial: 10
serial: 15
serial: 30
serial: 50
serial: 90
serial: 999
# The following sum to 500-799
serial: 500
serial: 501
serial: 502
serial: 503-600
serial: 700-797
serial: 798
serial: 799
serial: 599-701
# Some multiple consecutive serial number ranges
serial: 10000-20000
serial: 30000-40000
EOF
# A specification that revokes some certificated by key ID.
touch $OBJ/revoked-keyid
for n in 1 2 3 4 10 15 30 50 90 `jot 500 300` 999 1000 1001 1002; do
test "x$n" = "x499" && continue
# Fill in by-ID revocation spec.
echo "id: revoked $n" >> $OBJ/revoked-keyid
done
keygen() {
N=$1
f=$OBJ/revoked-`printf "%04d" $N`
# Vary the keytype. We use mostly ed25519 since this is fast and well
# supported.
keytype=$ktype1
case $N in
2 | 10 | 510 | 1001) keytype=$ktype2 ;;
4 | 30 | 520 | 1002) keytype=$ktype3 ;;
8 | 50 | 530 | 1003) keytype=$ktype4 ;;
16 | 70 | 540 | 1004) keytype=$ktype5 ;;
32 | 90 | 550 | 1005) keytype=$ktype6 ;;
esac
$SSHKEYGEN -t $keytype -f $f -C "" -N "" > /dev/null \
|| fatal "$SSHKEYGEN failed"
# Sign cert
$SSHKEYGEN -s $OBJ/revoked-ca -z $n -I "revoked $N" $f >/dev/null 2>&1 \
|| fatal "$SSHKEYGEN sign failed"
echo $f
}
# Generate some keys.
verbose "$tid: generating test keys"
REVOKED_SERIALS="1 4 10 50 90 500 510 520 550 799 999"
for n in $REVOKED_SERIALS ; do
f=`keygen $n`
RKEYS="$RKEYS ${f}.pub"
RCERTS="$RCERTS ${f}-cert.pub"
done
UNREVOKED_SERIALS="5 9 14 16 29 49 51 499 800 1010 1011"
UNREVOKED=""
for n in $UNREVOKED_SERIALS ; do
f=`keygen $n`
UKEYS="$UKEYS ${f}.pub"
UCERTS="$UCERTS ${f}-cert.pub"
done
# Specifications that revoke keys by hash.
touch $OBJ/revoked-sha1 $OBJ/revoked-sha256 $OBJ/revoked-hash
for rkey in $RKEYS; do
(printf "sha1: "; cat $rkey) >> $OBJ/revoked-sha1
(printf "sha256: "; cat $rkey) >> $OBJ/revoked-sha256
(printf "hash: "; $SSHKEYGEN -lf $rkey | \
awk '{ print $2 }') >> $OBJ/revoked-hash
done
genkrls() {
OPTS=$1
$SSHKEYGEN $OPTS -kf $OBJ/krl-empty - </dev/null \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-keys $RKEYS \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-cert $RCERTS \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-all $RKEYS $RCERTS \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-ca $OBJ/revoked-ca.pub \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-sha1 $OBJ/revoked-sha1 \
>/dev/null 2>&1 || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-sha256 $OBJ/revoked-sha256 \
>/dev/null 2>&1 || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-hash $OBJ/revoked-hash \
>/dev/null 2>&1 || fatal "$SSHKEYGEN KRL failed"
# This should fail as KRLs from serial/key-id spec need the CA specified.
$SSHKEYGEN $OPTS -kf $OBJ/krl-serial $OBJ/revoked-serials \
>/dev/null 2>&1 && fatal "$SSHKEYGEN KRL succeeded unexpectedly"
$SSHKEYGEN $OPTS -kf $OBJ/krl-keyid $OBJ/revoked-keyid \
>/dev/null 2>&1 && fatal "$SSHKEYGEN KRL succeeded unexpectedly"
# These should succeed; they specify an explicit CA key.
$SSHKEYGEN $OPTS -kf $OBJ/krl-serial -s $OBJ/revoked-ca \
$OBJ/revoked-serials >/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-keyid -s $OBJ/revoked-ca.pub \
$OBJ/revoked-keyid >/dev/null || fatal "$SSHKEYGEN KRL failed"
# These should succeed; they specify an wildcard CA key.
$SSHKEYGEN $OPTS -kf $OBJ/krl-serial-wild -s NONE $OBJ/revoked-serials \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
$SSHKEYGEN $OPTS -kf $OBJ/krl-keyid-wild -s NONE $OBJ/revoked-keyid \
>/dev/null || fatal "$SSHKEYGEN KRL failed"
# Revoke the same serials with the second CA key to ensure a multi-CA
# KRL is generated.
$SSHKEYGEN $OPTS -kf $OBJ/krl-serial -u -s $OBJ/revoked-ca2 \
$OBJ/revoked-serials >/dev/null || fatal "$SSHKEYGEN KRL failed"
}
## XXX dump with trace and grep for set cert serials
## XXX test ranges near (u64)-1, etc.
verbose "$tid: generating KRLs"
genkrls
check_krl() {
KEY=$1
KRL=$2
EXPECT_REVOKED=$3
TAG=$4
$SSHKEYGEN -Qf $KRL $KEY >/dev/null
result=$?
if test "x$EXPECT_REVOKED" = "xy" -a $result -eq 0 ; then
fatal "key $KEY not revoked by KRL $KRL: $TAG"
elif test "x$EXPECT_REVOKED" = "xn" -a $result -ne 0 ; then
fatal "key $KEY unexpectedly revoked by KRL $KRL: $TAG"
fi
}
test_rev() {
FILES=$1
TAG=$2
KEYS_RESULT=$3
ALL_RESULT=$4
HASH_RESULT=$5
SERIAL_RESULT=$6
KEYID_RESULT=$7
CERTS_RESULT=$8
CA_RESULT=$9
SERIAL_WRESULT=$10
KEYID_WRESULT=$11
verbose "$tid: checking revocations for $TAG"
for f in $FILES ; do
check_krl $f $OBJ/krl-empty no "$TAG"
check_krl $f $OBJ/krl-keys $KEYS_RESULT "$TAG"
check_krl $f $OBJ/krl-all $ALL_RESULT "$TAG"
check_krl $f $OBJ/krl-sha1 $HASH_RESULT "$TAG"
check_krl $f $OBJ/krl-sha256 $HASH_RESULT "$TAG"
check_krl $f $OBJ/krl-hash $HASH_RESULT "$TAG"
check_krl $f $OBJ/krl-serial $SERIAL_RESULT "$TAG"
check_krl $f $OBJ/krl-keyid $KEYID_RESULT "$TAG"
check_krl $f $OBJ/krl-cert $CERTS_RESULT "$TAG"
check_krl $f $OBJ/krl-ca $CA_RESULT "$TAG"
check_krl $f $OBJ/krl-serial-wild $SERIAL_WRESULT "$TAG"
check_krl $f $OBJ/krl-keyid-wild $KEYID_WRESULT "$TAG"
done
}
test_all() {
# wildcard
# keys all hash sr# ID cert CA srl ID
test_rev "$RKEYS" "revoked keys" y y y n n n n n n
test_rev "$UKEYS" "unrevoked keys" n n n n n n n n n
test_rev "$RCERTS" "revoked certs" y y y y y y y y y
test_rev "$UCERTS" "unrevoked certs" n n n n n n y n n
}
test_all
# Check update. Results should be identical.
verbose "$tid: testing KRL update"
for f in $OBJ/krl-keys $OBJ/krl-cert $OBJ/krl-all \
$OBJ/krl-ca $OBJ/krl-serial $OBJ/krl-keyid \
$OBJ/krl-serial-wild $OBJ/krl-keyid-wild; do
cp -f $OBJ/krl-empty $f
genkrls -u
done
test_all