# $OpenBSD: cert-userkey.sh,v 1.1 2010/02/26 20:33:21 djm Exp $ # Placed in the Public Domain. tid="certified user keys" rm -f $OBJ/authorized_keys_$USER $OBJ/user_ca_key* $OBJ/cert_user_key* cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak # Create a CA key and add it to authorized_keys ${SSHKEYGEN} -q -N '' -t rsa -f $OBJ/user_ca_key ||\ fail "ssh-keygen of user_ca_key failed" ( echo -n 'cert-authority ' cat $OBJ/user_ca_key.pub ) > $OBJ/authorized_keys_$USER # Generate and sign user keys for ktype in rsa dsa ; do verbose "$tid: sign user ${ktype} cert" ${SSHKEYGEN} -q -N '' -t ${ktype} \ -f $OBJ/cert_user_key_${ktype} || \ fail "ssh-keygen of cert_user_key_${ktype} failed" ${SSHKEYGEN} -q -s $OBJ/user_ca_key -I \ "regress user key for $USER" \ -n $USER $OBJ/cert_user_key_${ktype} || fail "couldn't sign cert_user_key_${ktype}" done # Basic connect tests for privsep in yes no ; do for ktype in rsa dsa ; do verbose "$tid: user ${ktype} cert connect privsep $privsep" ( cat $OBJ/sshd_proxy_bak echo "UsePrivilegeSeparation $privsep" ) > $OBJ/sshd_proxy ${SSH} -2i $OBJ/cert_user_key_${ktype} -F $OBJ/ssh_proxy \ somehost true if [ $? -ne 0 ]; then fail "ssh cert connect failed" fi done done verbose "$tid: ensure CA key does not authenticate user" ${SSH} -2i $OBJ/user_ca_key -F $OBJ/ssh_proxy somehost true >/dev/null 2>&1 if [ $? -eq 0 ]; then fail "ssh cert connect with CA key succeeded unexpectedly" fi test_one() { ident=$1 result=$2 sign_opts=$3 verbose "$tid: test user cert connect $ident expect $result" ${SSHKEYGEN} -q -s $OBJ/user_ca_key -I "regress user key for $USER" \ $sign_opts \ $OBJ/cert_user_key_rsa || fail "couldn't sign cert_user_key_rsa" ${SSH} -2i $OBJ/cert_user_key_rsa -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 cleanup } test_one "host-certificate" failure "-h" test_one "empty principals" success "" test_one "wrong principals" failure "-n foo" test_one "cert not yet valid" failure "-V20200101:20300101" test_one "cert expired" failure "-V19800101:19900101" test_one "cert valid interval" success "-V-1w:+2w" test_one "wrong source-address" failure "-Osource-address=10.0.0.0/8" test_one "force-command" failure "-Oforce-command=false" rm -f $OBJ/authorized_keys_$USER $OBJ/user_ca_key* $OBJ/cert_user_key*