# Tests to ensure that the monkeysphere is working
-# Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
-# Date: 2008-09-13 13:40:15-0400
+# Authors:
+# Daniel Kahn Gillmor <dkg@fifthhorseman.net>
+# Jameson Rollins <jrollins@fifthhorseman.net>
+# Copyright: 2008
+# License: GPL v3 or later
-# these tests might be best run under fakeroot, particularly the
-# "server-side" tests. Using fakeroot, they should be able to be run
+# these tests should all be able to
# as a non-privileged user.
-# NOTE: these tests have *not* themselves been tested yet
-# (2008-09-13). Please exercise with caution!
+# all subcommands in this script should complete without failure:
+set -e
-# these tests assume a commonly-trusted "Admin's key", a fake key
-# permanently stored in ./home/admin/.gnupg:
+# gpg command for test admin user
gpgadmin() {
- GNUPGHOME="$TESTDIR"/home/admin/.gnupg gpg "$@"
+ GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg "$@"
}
+launch_sshd() {
+ socat EXEC:"/usr/sbin/sshd -f ${SSHD_CONFIG} -i -D -e" "UNIX-LISTEN:${SOCKET}" 2> "$TEMPDIR"/sshd.log &
+ export SSHD_PID=$!
+
+ # wait until the socket is created before continuing
+ while [ ! -S "$SOCKET" ] ; do
+ sleep 1
+ done
+}
+
+ssh_test() {
+ ssh-agent bash -c \
+ "monkeysphere subkey-to-ssh-agent && ssh -F $TEMPDIR/testuser/.ssh/config testhost true"
+}
+
+failed_cleanup() {
+ # FIXME: can we be more verbose here?
+ echo 'FAILED!'
+ read -p "press enter to cleanup and remove tmp:"
+
+ cleanup
+}
-# cleanup:
cleanup() {
- # FIXME: stop the sshd process
+ if [ "$SSHD_PID" ] && ( ps "$SSHD_PID" >/dev/null ) ; then
+ echo "### stopping still-running sshd..."
+ kill "$SSHD_PID"
+ fi
- echo
echo "### removing temp dir..."
rm -rf "$TEMPDIR"
- # FIXME: how should we clear out the temporary $VARLIB?
-
- # FIXME: clear out ssh client config file and known hosts.
+ wait
}
## setup trap
-#trap cleanup EXIT
+trap failed_cleanup EXIT
## set up some variables to ensure that we're operating strictly in
## the tests, not system-wide:
export MONKEYSPHERE_MONKEYSPHERE_USER="$USER"
export MONKEYSPHERE_CHECK_KEYSERVER=false
-SSHD_CONFIG="$TEMPDIR"/sshd_config
+export SSHD_CONFIG="$TEMPDIR"/sshd_config
export SOCKET="$TEMPDIR"/ssh-socket
+export SSHD_PID=
+
+# copy in admin and testuser home to tmp
+echo "### copying admin and testuser homes..."
+cp -a "$TESTDIR"/home/admin "$TEMPDIR"/
+cp -a "$TESTDIR"/home/testuser "$TEMPDIR"/
+
+cat <<EOF >> "$TEMPDIR"/testuser/.ssh/config
+UserKnownHostsFile $TEMPDIR/testuser/.ssh/known_hosts
+IdentityFile $TEMPDIR/testuser/.ssh/no-such-identity
+ProxyCommand $TEMPDIR/testuser/.ssh/proxy-command %h %p $SOCKET
+EOF
+
+cat <<EOF >> "$TEMPDIR"/testuser/.monkeysphere/monkeysphere.conf
+KNOWN_HOSTS=$TEMPDIR/testuser/.ssh/known_hosts
+EOF
+
+# set up a simple default monkeysphere-server.conf
+cat <<EOF >> "$TEMPDIR"/monkeysphere-server.conf
+AUTHORIZED_USER_IDS="$TEMPDIR/testuser/.monkeysphere/authorized_user_ids"
+EOF
### SERVER TESTS
-# create the temp gnupghome directories
+# setup monkeysphere temp gnupghome directories
mkdir -p -m 750 "$MONKEYSPHERE_SYSDATADIR"/gnupg-host
mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication
-
-# add the quick-random option to the gpg host config
-echo "quick-random" >> "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host.conf
+mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/authorized_keys
+cat <<EOF > "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication/gpg.conf
+primary-keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-authentication/pubring.gpg
+keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-host/pubring.gpg
+EOF
# create a new host key
echo "### generating server key..."
+# add gpg.conf with quick-random
+echo "quick-random" >> "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf
echo | monkeysphere-server gen-key --length 1024 --expire 0 testhost
+# remove the gpg.conf
+rm "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf
HOSTKEYID=$( monkeysphere-server show-key | tail -n1 | cut -f3 -d\ )
# (this would normally be done via keyservers)
echo "### certifying server key..."
monkeysphere-server gpg-authentication-cmd "--armor --export $HOSTKEYID" | gpgadmin --import
-gpgadmin --sign-key "$HOSTKEYID"
+echo y | gpgadmin --command-fd 0 --sign-key "$HOSTKEYID"
# FIXME: how can we test publish-key without flooding junk into the
# keyservers?
-# indicate that the "Admin's" key is an identity certifier for the
-# host
-
+# add admin as identity certifier for testhost
echo "### adding admin as certifier..."
-monkeysphere-server add-identity-certifier "$TESTDIR"/home/admin/.gnupg/pubkey.gpg
+echo y | monkeysphere-server add-identity-certifier "$TEMPDIR"/admin/.gnupg/pubkey.gpg
# initialize base sshd_config
-cp etc/ssh/sshd_config "$TEMPDIR"/sshd_config
+cp etc/ssh/sshd_config "$SSHD_CONFIG"
# write the sshd_config
cat <<EOF >> "$SSHD_CONFIG"
HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key
# launch test sshd with the new host key.
echo "### starting sshd..."
-socat EXEC:'/usr/sbin/sshd -f '"$SSHD_CONFIG"' -i -d -d -d -D -e' "UNIX-LISTEN:${SOCKET}" &
-
+launch_sshd
### TESTUSER TESTS
-# copy testuser home directory into temp dir
-cp -r "$TESTDIR"/home/testuser "$TEMPDIR"/
-
# generate an auth subkey for the test user
echo "### generating key for testuser..."
-MONKEYSPHERE_GNUPGHOME="$TEMPDIR"/testuser/.gnupg \
- monkeysphere gen-subkey --expire 0
+export GNUPGHOME="$TEMPDIR"/testuser/.gnupg
+export SSH_ASKPASS="$TEMPDIR"/testuser/.ssh/askpass
+export MONKEYSPHERE_HOME="$TEMPDIR"/testuser/.monkeysphere
+
+monkeysphere gen-subkey --expire 0
+
+# add server key to testuser keychain
+echo "### export server key to testuser..."
+gpgadmin --armor --export "$HOSTKEYID" | gpg --import
+
+# teach the "server" about the testuser's key
+echo "### export testuser key to server..."
+gpg --export testuser | monkeysphere-server gpg-authentication-cmd --import
+echo "### update server authorized_keys file for this testuser..."
+monkeysphere-server update-users "$USER"
+
+# connect to test sshd, using monkeysphere-ssh-proxycommand to verify
+# the identity before connection. This should work in both directions!
+echo "### testuser connecting to sshd socket..."
+ssh_test
+
+# kill the previous sshd process if it's still running
+kill "$SSHD_PID"
+
+# now remove the testuser's authorized_user_ids file and reupdate
+# authorized_keys file...
+echo "### removing testuser authorized_user_ids and reupdating authorized_keys..."
+rm -f "$TEMPDIR"/testuser/.monkeysphere/authorized_user_ids
+monkeysphere-server update-users "$USER"
+
+# restart the sshd
+echo "### restarting sshd..."
+launch_sshd
+
+# and make sure the user can no longer connect
+echo "### testuser attempting to connect to sshd socket..."
+ssh_test || SSH_RETURN="$?"
+if [ "$SSH_RETURN" != '255' ] ; then
+ exit
+fi
-# connect to test sshd, using monkeysphere to verify the identity
-# before connection.
-echo "### connecting to sshd socket..."
-PROXY_COMMAND="monkeysphere-ssh-proxycommand --no-connect %h && socat STDIO UNIX:${SOCKET}"
-ssh -oProxyCommand="$PROXY_COMMAND" testhost
+trap - EXIT
-# create a new client side key, certify it with the "CA", use it to
-# log in.
+echo
+echo "Monkeysphere basic tests completed successfully!"
+echo
-## FIXME: implement!
+cleanup
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