diff options
Diffstat (limited to 'crypto/openssh/regress/cert-hostkey.sh')
| -rwxr-xr-x | crypto/openssh/regress/cert-hostkey.sh | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/crypto/openssh/regress/cert-hostkey.sh b/crypto/openssh/regress/cert-hostkey.sh new file mode 100755 index 0000000..a1318cd --- /dev/null +++ b/crypto/openssh/regress/cert-hostkey.sh @@ -0,0 +1,244 @@ +# $OpenBSD: cert-hostkey.sh,v 1.8 2013/12/06 13:52:46 markus 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 $OBJ/host_ca_key ||\ + fail "ssh-keygen of host_ca_key failed" +( + printf '@cert-authority ' + printf "$HOSTS " + cat $OBJ/host_ca_key.pub +) > $OBJ/known_hosts-cert + +PLAIN_TYPES=`$SSH -Q key-plain | sed 's/^ssh-dss/ssh-dsa/g;s/^ssh-//'` + +type_has_legacy() { + case $1 in + ed25519*|ecdsa*) return 1 ;; + esac + return 0 +} + +# Generate and sign host keys +for ktype in $PLAIN_TYPES ; do + verbose "$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}" + type_has_legacy $ktype || continue + cp $OBJ/cert_host_key_${ktype} $OBJ/cert_host_key_${ktype}_v00 + cp $OBJ/cert_host_key_${ktype}.pub $OBJ/cert_host_key_${ktype}_v00.pub + verbose "$tid: sign host ${ktype}_v00 cert" + ${SSHKEYGEN} -t v00 -h -q -s $OBJ/host_ca_key \ + -I "regress host key for $USER" \ + -n $HOSTS $OBJ/cert_host_key_${ktype}_v00 || + fail "couldn't sign cert_host_key_${ktype}_v00" +done + +# Basic connect tests +for privsep in yes no ; do + for ktype in $PLAIN_TYPES rsa_v00 dsa_v00; do + verbose "$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 [ $? -ne 0 ]; then + fail "ssh cert connect failed" + fi + done +done + +# Revoked certificates with key present +( + printf '@cert-authority ' + printf "$HOSTS " + cat $OBJ/host_ca_key.pub + for ktype in $PLAIN_TYPES rsa_v00 dsa_v00; do + test -f "$OBJ/cert_host_key_${ktype}.pub" || fatal "no pubkey" + printf "@revoked * `cat $OBJ/cert_host_key_${ktype}.pub`\n" + done +) > $OBJ/known_hosts-cert +for privsep in yes no ; do + for ktype in $PLAIN_TYPES rsa_v00 dsa_v00; do + verbose "$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 [ $? -eq 0 ]; then + fail "ssh cert connect succeeded unexpectedly" + fi + done +done + +# Revoked CA +( + printf '@cert-authority ' + printf "$HOSTS " + cat $OBJ/host_ca_key.pub + printf '@revoked ' + printf "* " + cat $OBJ/host_ca_key.pub +) > $OBJ/known_hosts-cert +for ktype in $PLAIN_TYPES rsa_v00 dsa_v00 ; do + verbose "$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 [ $? -eq 0 ]; then + fail "ssh cert connect succeeded unexpectedly" + fi +done + +# Create a CA key and add it to known hosts +( + printf '@cert-authority ' + printf "$HOSTS " + cat $OBJ/host_ca_key.pub +) > $OBJ/known_hosts-cert + +test_one() { + ident=$1 + result=$2 + sign_opts=$3 + + for kt in rsa rsa_v00 ; do + case $kt in + *_v00) args="-t v00" ;; + *) args="" ;; + esac + + verbose "$tid: host cert connect $ident $kt expect $result" + ${SSHKEYGEN} -q -s $OBJ/host_ca_key \ + -I "regress host key for $USER" \ + $sign_opts $args \ + $OBJ/cert_host_key_${kt} || + fail "couldn't sign cert_host_key_${kt}" + ( + cat $OBJ/sshd_proxy_bak + echo HostKey $OBJ/cert_host_key_${kt} + echo HostCertificate $OBJ/cert_host_key_${kt}-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 + done +} + +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 +for v in v01 v00 ; do + for ktype in $PLAIN_TYPES ; do + type_has_legacy $ktype || continue + rm -f $OBJ/known_hosts-cert $OBJ/cert_host_key* + verbose "$tid: host ${ktype} ${v} 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} -t ${v} -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_${ktype}" + ( + printf "$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 [ $? -ne 0 ]; then + fail "ssh cert connect failed" + fi + done +done + +# Wrong certificate +( + printf '@cert-authority ' + printf "$HOSTS " + cat $OBJ/host_ca_key.pub +) > $OBJ/known_hosts-cert +for v in v01 v00 ; do + for kt in $PLAIN_TYPES ; do + type_has_legacy $kt || continue + rm -f $OBJ/cert_host_key* + # Self-sign key + ${SSHKEYGEN} -q -N '' -t ${kt} \ + -f $OBJ/cert_host_key_${kt} || \ + fail "ssh-keygen of cert_host_key_${kt} failed" + ${SSHKEYGEN} -t ${v} -h -q -s $OBJ/cert_host_key_${kt} \ + -I "regress host key for $USER" \ + -n $HOSTS $OBJ/cert_host_key_${kt} || + fail "couldn't sign cert_host_key_${kt}" + verbose "$tid: host ${kt} connect wrong cert" + ( + cat $OBJ/sshd_proxy_bak + echo HostKey $OBJ/cert_host_key_${kt} + echo HostCertificate $OBJ/cert_host_key_${kt}-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 +done + +rm -f $OBJ/known_hosts-cert $OBJ/host_ca_key* $OBJ/cert_host_key* |
