diff options
Diffstat (limited to 'regress/agent.sh')
| -rw-r--r-- | regress/agent.sh | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/regress/agent.sh b/regress/agent.sh new file mode 100644 index 0000000..f187b67 --- /dev/null +++ b/regress/agent.sh @@ -0,0 +1,227 @@ +# $OpenBSD: agent.sh,v 1.20 2021/02/25 03:27:34 djm Exp $ +# Placed in the Public Domain. + +tid="simple agent test" + +SSH_AUTH_SOCK=/nonexistent ${SSHADD} -l > /dev/null 2>&1 +if [ $? -ne 2 ]; then + fail "ssh-add -l did not fail with exit code 2" +fi + +trace "start agent, args ${EXTRA_AGENT_ARGS} -s" +eval `${SSHAGENT} ${EXTRA_AGENT_ARGS} -s` > /dev/null +r=$? +if [ $r -ne 0 ]; then + fatal "could not start ssh-agent: exit code $r" +fi + +eval `${SSHAGENT} ${EXTRA_AGENT_ARGS} -s | sed 's/SSH_/FW_SSH_/g'` > /dev/null +r=$? +if [ $r -ne 0 ]; then + fatal "could not start second ssh-agent: exit code $r" +fi + +${SSHADD} -l > /dev/null 2>&1 +if [ $? -ne 1 ]; then + fail "ssh-add -l did not fail with exit code 1" +fi + +rm -f $OBJ/user_ca_key $OBJ/user_ca_key.pub +${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_ca_key \ + || fatal "ssh-keygen failed" + +trace "overwrite authorized keys" +printf '' > $OBJ/authorized_keys_$USER + +for t in ${SSH_KEYTYPES}; do + # generate user key for agent + rm -f $OBJ/$t-agent $OBJ/$t-agent.pub* + ${SSHKEYGEN} -q -N '' -t $t -f $OBJ/$t-agent ||\ + fatal "ssh-keygen for $t-agent failed" + # Make a certificate for each too. + ${SSHKEYGEN} -qs $OBJ/user_ca_key -I "$t cert" \ + -n estragon $OBJ/$t-agent.pub || fatal "ca sign failed" + + # add to authorized keys + cat $OBJ/$t-agent.pub >> $OBJ/authorized_keys_$USER + # add private key to agent + ${SSHADD} $OBJ/$t-agent > /dev/null 2>&1 + if [ $? -ne 0 ]; then + fail "ssh-add failed exit code $?" + fi + # add private key to second agent + SSH_AUTH_SOCK=$FW_SSH_AUTH_SOCK ${SSHADD} $OBJ/$t-agent > /dev/null 2>&1 + if [ $? -ne 0 ]; then + fail "ssh-add failed exit code $?" + fi + # Move private key to ensure that we aren't accidentally using it. + # Keep the corresponding public keys/certs around for later use. + mv -f $OBJ/$t-agent $OBJ/$t-agent-private + cp -f $OBJ/$t-agent.pub $OBJ/$t-agent-private.pub + cp -f $OBJ/$t-agent-cert.pub $OBJ/$t-agent-private-cert.pub +done + +# Remove explicit identity directives from ssh_proxy +mv $OBJ/ssh_proxy $OBJ/ssh_proxy_bak +grep -vi identityfile $OBJ/ssh_proxy_bak > $OBJ/ssh_proxy + +${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -l failed: exit code $r" +fi +# the same for full pubkey output +${SSHADD} -L > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -L failed: exit code $r" +fi + +trace "simple connect via agent" +${SSH} -F $OBJ/ssh_proxy somehost exit 52 +r=$? +if [ $r -ne 52 ]; then + fail "ssh connect with failed (exit code $r)" +fi + +for t in ${SSH_KEYTYPES}; do + trace "connect via agent using $t key" + if [ "$t" = "ssh-dss" ]; then + echo "PubkeyAcceptedAlgorithms +ssh-dss" >> $OBJ/ssh_proxy + echo "PubkeyAcceptedAlgorithms +ssh-dss" >> $OBJ/sshd_proxy + fi + ${SSH} -F $OBJ/ssh_proxy -i $OBJ/$t-agent.pub -oIdentitiesOnly=yes \ + somehost exit 52 + r=$? + if [ $r -ne 52 ]; then + fail "ssh connect with failed (exit code $r)" + fi +done + +trace "agent forwarding" +${SSH} -A -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -l via agent fwd failed (exit code $r)" +fi +${SSH} "-oForwardAgent=$SSH_AUTH_SOCK" -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -l via agent path fwd failed (exit code $r)" +fi +${SSH} -A -F $OBJ/ssh_proxy somehost \ + "${SSH} -F $OBJ/ssh_proxy somehost exit 52" +r=$? +if [ $r -ne 52 ]; then + fail "agent fwd failed (exit code $r)" +fi + +trace "agent forwarding different agent" +${SSH} "-oForwardAgent=$FW_SSH_AUTH_SOCK" -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -l via agent path fwd of different agent failed (exit code $r)" +fi +${SSH} '-oForwardAgent=$FW_SSH_AUTH_SOCK' -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -l via agent path env fwd of different agent failed (exit code $r)" +fi + +# Remove keys from forwarded agent, ssh-add on remote machine should now fail. +SSH_AUTH_SOCK=$FW_SSH_AUTH_SOCK ${SSHADD} -D > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -D failed: exit code $r" +fi +${SSH} '-oForwardAgent=$FW_SSH_AUTH_SOCK' -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 1 ]; then + fail "ssh-add -l with different agent did not fail with exit code 1 (exit code $r)" +fi + +(printf 'cert-authority,principals="estragon" '; cat $OBJ/user_ca_key.pub) \ + > $OBJ/authorized_keys_$USER +for t in ${SSH_KEYTYPES}; do + if [ "$t" != "ssh-dss" ]; then + trace "connect via agent using $t key" + ${SSH} -F $OBJ/ssh_proxy -i $OBJ/$t-agent.pub \ + -oCertificateFile=$OBJ/$t-agent-cert.pub \ + -oIdentitiesOnly=yes somehost exit 52 + r=$? + if [ $r -ne 52 ]; then + fail "ssh connect with failed (exit code $r)" + fi + fi +done + +## Deletion tests. + +trace "delete all agent keys" +${SSHADD} -D > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -D failed: exit code $r" +fi +# make sure they're gone +${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 1 ]; then + fail "ssh-add -l returned unexpected exit code: $r" +fi +trace "readd keys" +# re-add keys/certs to agent +for t in ${SSH_KEYTYPES}; do + ${SSHADD} $OBJ/$t-agent-private >/dev/null 2>&1 || \ + fail "ssh-add failed exit code $?" +done +# make sure they are there +${SSHADD} -l > /dev/null 2>&1 +r=$? +if [ $r -ne 0 ]; then + fail "ssh-add -l failed: exit code $r" +fi + +check_key_absent() { + ${SSHADD} -L | grep "^$1 " >/dev/null + if [ $? -eq 0 ]; then + fail "$1 key unexpectedly present" + fi +} +check_key_present() { + ${SSHADD} -L | grep "^$1 " >/dev/null + if [ $? -ne 0 ]; then + fail "$1 key missing from agent" + fi +} + +# delete the ed25519 key +trace "delete single key by file" +${SSHADD} -qdk $OBJ/ssh-ed25519-agent || fail "ssh-add -d ed25519 failed" +check_key_absent ssh-ed25519 +check_key_present ssh-ed25519-cert-v01@openssh.com +# Put key/cert back. +${SSHADD} $OBJ/ssh-ed25519-agent-private >/dev/null 2>&1 || \ + fail "ssh-add failed exit code $?" +check_key_present ssh-ed25519 +# Delete both key and certificate. +trace "delete key/cert by file" +${SSHADD} -qd $OBJ/ssh-ed25519-agent || fail "ssh-add -d ed25519 failed" +check_key_absent ssh-ed25519 +check_key_absent ssh-ed25519-cert-v01@openssh.com +# Put key/cert back. +${SSHADD} $OBJ/ssh-ed25519-agent-private >/dev/null 2>&1 || \ + fail "ssh-add failed exit code $?" +check_key_present ssh-ed25519 +# Delete certificate via stdin +${SSHADD} -qd - < $OBJ/ssh-ed25519-agent-cert.pub || fail "ssh-add -d - failed" +check_key_present ssh-ed25519 +check_key_absent ssh-ed25519-cert-v01@openssh.com +# Delete key via stdin +${SSHADD} -qd - < $OBJ/ssh-ed25519-agent.pub || fail "ssh-add -d - failed" +check_key_absent ssh-ed25519 +check_key_absent ssh-ed25519-cert-v01@openssh.com + +trace "kill agent" +${SSHAGENT} -k > /dev/null +SSH_AGENT_PID=$FW_SSH_AGENT_PID ${SSHAGENT} -k > /dev/null |