212 lines
6.0 KiB
Bash
212 lines
6.0 KiB
Bash
# $OpenBSD: cert-hostkey.sh,v 1.3 2010/03/04 10:38:23 djm Exp $
|
|
# Placed in the Public Domain.
|
|
|
|
tid="certified host keys"
|
|
|
|
rm -f $OBJ/known_hosts-cert $OBJ/host_ca_key* $OBJ/cert_host_key*
|
|
cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
|
|
|
|
HOSTS='localhost-with-alias,127.0.0.1,::1'
|
|
|
|
# Create a CA key and add it to known hosts
|
|
${SSHKEYGEN} -q -N '' -t rsa -f $OBJ/host_ca_key ||\
|
|
fail "ssh-keygen of host_ca_key failed"
|
|
(
|
|
echon '@cert-authority '
|
|
echon "$HOSTS "
|
|
cat $OBJ/host_ca_key.pub
|
|
) > $OBJ/known_hosts-cert
|
|
|
|
# Generate and sign host keys
|
|
for ktype in rsa dsa ; do
|
|
verbose "$tid: sign host ${ktype} cert"
|
|
# Generate and sign a host key
|
|
${SSHKEYGEN} -q -N '' -t ${ktype} \
|
|
-f $OBJ/cert_host_key_${ktype} || \
|
|
fail "ssh-keygen of cert_host_key_${ktype} failed"
|
|
${SSHKEYGEN} -h -q -s $OBJ/host_ca_key \
|
|
-I "regress host key for $USER" \
|
|
-n $HOSTS $OBJ/cert_host_key_${ktype} ||
|
|
fail "couldn't sign cert_host_key_${ktype}"
|
|
done
|
|
|
|
# Basic connect tests
|
|
for privsep in yes no ; do
|
|
for ktype in rsa dsa ; do
|
|
verbose "$tid: host ${ktype} cert connect privsep $privsep"
|
|
(
|
|
cat $OBJ/sshd_proxy_bak
|
|
echo HostKey $OBJ/cert_host_key_${ktype}
|
|
echo HostCertificate $OBJ/cert_host_key_${ktype}-cert.pub
|
|
echo UsePrivilegeSeparation $privsep
|
|
) > $OBJ/sshd_proxy
|
|
|
|
${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-F $OBJ/ssh_proxy somehost true
|
|
if [ $? -ne 0 ]; then
|
|
fail "ssh cert connect failed"
|
|
fi
|
|
done
|
|
done
|
|
|
|
# Revoked certificates with key present
|
|
(
|
|
echon '@cert-authority '
|
|
echon "$HOSTS "
|
|
cat $OBJ/host_ca_key.pub
|
|
echon '@revoked '
|
|
echon "* "
|
|
cat $OBJ/cert_host_key_rsa.pub
|
|
echon '@revoked '
|
|
echon "* "
|
|
cat $OBJ/cert_host_key_dsa.pub
|
|
) > $OBJ/known_hosts-cert
|
|
for privsep in yes no ; do
|
|
for ktype in rsa dsa ; do
|
|
verbose "$tid: host ${ktype} revoked cert privsep $privsep"
|
|
(
|
|
cat $OBJ/sshd_proxy_bak
|
|
echo HostKey $OBJ/cert_host_key_${ktype}
|
|
echo HostCertificate $OBJ/cert_host_key_${ktype}-cert.pub
|
|
echo UsePrivilegeSeparation $privsep
|
|
) > $OBJ/sshd_proxy
|
|
|
|
${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-F $OBJ/ssh_proxy somehost true >/dev/null 2>&1
|
|
if [ $? -eq 0 ]; then
|
|
fail "ssh cert connect succeeded unexpectedly"
|
|
fi
|
|
done
|
|
done
|
|
|
|
# Revoked CA
|
|
(
|
|
echon '@cert-authority '
|
|
echon "$HOSTS "
|
|
cat $OBJ/host_ca_key.pub
|
|
echon '@revoked '
|
|
echon "* "
|
|
cat $OBJ/host_ca_key.pub
|
|
) > $OBJ/known_hosts-cert
|
|
for ktype in rsa dsa ; do
|
|
verbose "$tid: host ${ktype} revoked cert"
|
|
(
|
|
cat $OBJ/sshd_proxy_bak
|
|
echo HostKey $OBJ/cert_host_key_${ktype}
|
|
echo HostCertificate $OBJ/cert_host_key_${ktype}-cert.pub
|
|
) > $OBJ/sshd_proxy
|
|
${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-F $OBJ/ssh_proxy somehost true >/dev/null 2>&1
|
|
if [ $? -eq 0 ]; then
|
|
fail "ssh cert connect succeeded unexpectedly"
|
|
fi
|
|
done
|
|
|
|
# Create a CA key and add it to known hosts
|
|
(
|
|
echon '@cert-authority '
|
|
echon "$HOSTS "
|
|
cat $OBJ/host_ca_key.pub
|
|
) > $OBJ/known_hosts-cert
|
|
|
|
test_one() {
|
|
ident=$1
|
|
result=$2
|
|
sign_opts=$3
|
|
|
|
verbose "$tid: test host cert connect $ident expect $result"
|
|
|
|
${SSHKEYGEN} -q -s $OBJ/host_ca_key -I "regress host key for $USER" \
|
|
$sign_opts \
|
|
$OBJ/cert_host_key_rsa ||
|
|
fail "couldn't sign cert_host_key_rsa"
|
|
(
|
|
cat $OBJ/sshd_proxy_bak
|
|
echo HostKey $OBJ/cert_host_key_rsa
|
|
echo HostCertificate $OBJ/cert_host_key_rsa-cert.pub
|
|
) > $OBJ/sshd_proxy
|
|
|
|
${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-F $OBJ/ssh_proxy somehost true >/dev/null 2>&1
|
|
rc=$?
|
|
if [ "x$result" = "xsuccess" ] ; then
|
|
if [ $rc -ne 0 ]; then
|
|
fail "ssh cert connect $ident failed unexpectedly"
|
|
fi
|
|
else
|
|
if [ $rc -eq 0 ]; then
|
|
fail "ssh cert connect $ident succeeded unexpectedly"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
test_one "user-certificate" failure "-n $HOSTS"
|
|
test_one "empty principals" success "-h"
|
|
test_one "wrong principals" failure "-h -n foo"
|
|
test_one "cert not yet valid" failure "-h -V20200101:20300101"
|
|
test_one "cert expired" failure "-h -V19800101:19900101"
|
|
test_one "cert valid interval" success "-h -V-1w:+2w"
|
|
test_one "cert has constraints" failure "-h -Oforce-command=false"
|
|
|
|
# Check downgrade of cert to raw key when no CA found
|
|
rm -f $OBJ/known_hosts-cert $OBJ/cert_host_key*
|
|
for ktype in rsa dsa ; do
|
|
verbose "$tid: host ${ktype} cert downgrade to raw key"
|
|
# Generate and sign a host key
|
|
${SSHKEYGEN} -q -N '' -t ${ktype} \
|
|
-f $OBJ/cert_host_key_${ktype} || \
|
|
fail "ssh-keygen of cert_host_key_${ktype} failed"
|
|
${SSHKEYGEN} -h -q -s $OBJ/host_ca_key -I "regress host key for $USER" \
|
|
-n $HOSTS $OBJ/cert_host_key_${ktype} ||
|
|
fail "couldn't sign cert_host_key_${ktype}"
|
|
(
|
|
echon "$HOSTS "
|
|
cat $OBJ/cert_host_key_${ktype}.pub
|
|
) > $OBJ/known_hosts-cert
|
|
(
|
|
cat $OBJ/sshd_proxy_bak
|
|
echo HostKey $OBJ/cert_host_key_${ktype}
|
|
echo HostCertificate $OBJ/cert_host_key_${ktype}-cert.pub
|
|
) > $OBJ/sshd_proxy
|
|
|
|
${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-F $OBJ/ssh_proxy somehost true
|
|
if [ $? -ne 0 ]; then
|
|
fail "ssh cert connect failed"
|
|
fi
|
|
done
|
|
|
|
# Wrong certificate
|
|
(
|
|
echon '@cert-authority '
|
|
echon "$HOSTS "
|
|
cat $OBJ/host_ca_key.pub
|
|
) > $OBJ/known_hosts-cert
|
|
for ktype in rsa dsa ; do
|
|
# Self-sign key
|
|
${SSHKEYGEN} -h -q -s $OBJ/cert_host_key_${ktype} \
|
|
-I "regress host key for $USER" \
|
|
-n $HOSTS $OBJ/cert_host_key_${ktype} ||
|
|
fail "couldn't sign cert_host_key_${ktype}"
|
|
verbose "$tid: host ${ktype} connect wrong cert"
|
|
(
|
|
cat $OBJ/sshd_proxy_bak
|
|
echo HostKey $OBJ/cert_host_key_${ktype}
|
|
echo HostCertificate $OBJ/cert_host_key_${ktype}-cert.pub
|
|
) > $OBJ/sshd_proxy
|
|
|
|
${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
|
|
-F $OBJ/ssh_proxy -q somehost true >/dev/null 2>&1
|
|
if [ $? -eq 0 ]; then
|
|
fail "ssh cert connect $ident succeeded unexpectedly"
|
|
fi
|
|
done
|
|
|
|
rm -f $OBJ/known_hosts-cert $OBJ/host_ca_key* $OBJ/cert_host_key*
|