1 files changed, 138 insertions, 0 deletions

diff --git a/regress/cert-file.sh b/regress/cert-file.sh
new file mode 100644
index 000000000..bad923ad0
--- /dev/null
+++ b/regress/cert-file.sh
@@ -0,0 +1,138 @@
+#       $OpenBSD: cert-file.sh,v 1.2 2015/09/24 07:15:39 djm Exp $
+#       Placed in the Public Domain.
+
+tid="ssh with certificates"
+
+rm -f $OBJ/user_ca_key* $OBJ/user_key*
+rm -f $OBJ/cert_user_key*
+
+# Create a CA key
+${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_ca_key1 ||\
+        fatal "ssh-keygen failed"
+${SSHKEYGEN} -q -N '' -t ed25519  -f $OBJ/user_ca_key2 ||\
+        fatal "ssh-keygen failed"
+
+# Make some keys and certificates.
+${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key1 || \
+        fatal "ssh-keygen failed"
+${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key2 || \
+        fatal "ssh-keygen failed"
+# Move the certificate to a different address to better control
+# when it is offered.
+${SSHKEYGEN} -q -s $OBJ/user_ca_key1 -I "regress user key for $USER" \
+        -z $$ -n ${USER} $OBJ/user_key1 ||
+                fail "couldn't sign user_key1 with user_ca_key1"
+mv $OBJ/user_key1-cert.pub $OBJ/cert_user_key1_1.pub
+${SSHKEYGEN} -q -s $OBJ/user_ca_key2 -I "regress user key for $USER" \
+        -z $$ -n ${USER} $OBJ/user_key1 ||
+                fail "couldn't sign user_key1 with user_ca_key2"
+mv $OBJ/user_key1-cert.pub $OBJ/cert_user_key1_2.pub
+
+trace 'try with identity files'
+opts="-F $OBJ/ssh_proxy -oIdentitiesOnly=yes"
+opts2="$opts -i $OBJ/user_key1 -i $OBJ/user_key2"
+echo "cert-authority $(cat $OBJ/user_ca_key1.pub)" > $OBJ/authorized_keys_$USER
+
+for p in ${SSH_PROTOCOLS}; do
+        # Just keys should fail
+        ${SSH} $opts2 somehost exit 5$p
+        r=$?
+        if [ $r -eq 5$p ]; then
+                fail "ssh succeeded with no certs in protocol $p"
+        fi
+
+        # Keys with untrusted cert should fail.
+        opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_2.pub"
+        ${SSH} $opts3 somehost exit 5$p
+        r=$?
+        if [ $r -eq 5$p ]; then
+                fail "ssh succeeded with bad cert in protocol $p"
+        fi
+
+        # Good cert with bad key should fail.
+        opts3="$opts -i $OBJ/user_key2"
+        opts3="$opts3 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
+        ${SSH} $opts3 somehost exit 5$p
+        r=$?
+        if [ $r -eq 5$p ]; then
+                fail "ssh succeeded with no matching key in protocol $p"
+        fi
+
+        # Keys with one trusted cert, should succeed.
+        opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
+        ${SSH} $opts3 somehost exit 5$p
+        r=$?
+        if [ $r -ne 5$p ]; then
+                fail "ssh failed with trusted cert and key in protocol $p"
+        fi
+
+        # Multiple certs and keys, with one trusted cert, should succeed.
+        opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_2.pub"
+        opts3="$opts3 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
+        ${SSH} $opts3 somehost exit 5$p
+        r=$?
+        if [ $r -ne 5$p ]; then
+                fail "ssh failed with multiple certs in protocol $p"
+        fi
+
+        #Keys with trusted certificate specified in config options, should succeed.
+        opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
+        ${SSH} $opts3 somehost exit 5$p
+        r=$?
+        if [ $r -ne 5$p ]; then
+                fail "ssh failed with trusted cert in config in protocol $p"
+        fi
+done
+
+#next, using an agent in combination with the keys
+SSH_AUTH_SOCK=/nonexistent ${SSHADD} -l > /dev/null 2>&1
+if [ $? -ne 2 ]; then
+        fatal "ssh-add -l did not fail with exit code 2"
+fi
+
+trace "start agent"
+eval `${SSHAGENT} -s` > /dev/null
+r=$?
+if [ $r -ne 0 ]; then
+        fatal "could not start ssh-agent: exit code $r"
+fi
+
+# add private keys to agent
+${SSHADD} -k $OBJ/user_key2 > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+        fatal "ssh-add did not succeed with exit code 0"
+fi
+${SSHADD} -k $OBJ/user_key1 > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+        fatal "ssh-add did not succeed with exit code 0"
+fi
+
+# try ssh with the agent and certificates
+# note: ssh agent only uses certificates in protocol 2
+opts="-F $OBJ/ssh_proxy"
+# with no certificates, shoud fail
+${SSH} -2 $opts somehost exit 52
+if [ $? -eq 52 ]; then
+        fail "ssh connect with agent in protocol 2 succeeded with no cert"
+fi
+
+#with an untrusted certificate, should fail
+opts="$opts -oCertificateFile=$OBJ/cert_user_key1_2.pub"
+${SSH} -2 $opts somehost exit 52
+if [ $? -eq 52 ]; then
+        fail "ssh connect with agent in protocol 2 succeeded with bad cert"
+fi
+
+#with an additional trusted certificate, should succeed
+opts="$opts -oCertificateFile=$OBJ/cert_user_key1_1.pub"
+${SSH} -2 $opts somehost exit 52
+if [ $? -ne 52 ]; then
+        fail "ssh connect with agent in protocol 2 failed with good cert"
+fi
+
+trace "kill agent"
+${SSHAGENT} -k > /dev/null
+
+#cleanup
+rm -f $OBJ/user_ca_key* $OBJ/user_key*
+rm -f $OBJ/cert_user_key*