- djm@cvs.openbsd.org 2010/02/26 20:33:21

     [Makefile regress/cert-hostkey.sh regress/cert-userkey.sh]
     regression tests for certified keys

1 files changed, 122 insertions, 0 deletions

diff --git a/regress/cert-hostkey.sh b/regress/cert-hostkey.sh
new file mode 100644
index 00000000..14cd2230
--- /dev/null
+++ b/regress/cert-hostkey.sh
@@ -0,0 +1,122 @@
+#	$OpenBSD: cert-hostkey.sh,v 1.1 2010/02/26 20:33:21 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 $OBJ/host_ca_key ||\
+	fail "ssh-keygen of host_ca_key failed"
+(
+	echo -n '@cert-authority '
+	echo -n "$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
+
+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_${ktype}"
+	(
+		echo -n "$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
+
+rm -f $OBJ/known_hosts-cert $OBJ/host_ca_key* $OBJ/cert_host_key*