# Copyright: 2008
# License: GPL v3 or later
-# these tests should all be able to
-# as a non-privileged user.
+# these tests should all be able to run as a non-privileged user.
# all subcommands in this script should complete without failure:
set -e
+# piped commands should return the code of the first non-zero return
+set -o pipefail
+
+## make sure that the right tools are installed to run the test. the
+## test has *more* requirements than plain ol' monkeysphere:
+which socat || { echo "You must have socat installed to run this test." ; exit 1; }
+
+## FIXME: other checks?
# gpg command for test admin user
gpgadmin() {
GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg "$@"
}
+# test ssh connection
+# first argument is expected return code from ssh connection
ssh_test() {
umask 0077
+ CODE=${1:-0}
+
# start the ssh daemon on the socket
echo "##### starting ssh server..."
socat EXEC:"/usr/sbin/sshd -f ${SSHD_CONFIG} -i -D -e" "UNIX-LISTEN:${SOCKET}" 2> "$TEMPDIR"/sshd.log &
sleep 1
done
+ set +e
+
# make a client connection to the socket
echo "##### starting ssh client..."
ssh-agent bash -c \
"monkeysphere subkey-to-ssh-agent && ssh -F $TEMPDIR/testuser/.ssh/config testhost true"
RETURN="$?"
- # kill the previous sshd process if it's still running
+ # kill the sshd process if it's still running
kill "$SSHD_PID"
+ SSHD_PID=
+
+ set -e
- return "$RETURN"
+ echo "##### return $RETURN"
+ if [ "$RETURN" = "$CODE" ] ; then
+ echo "##### ssh connection test returned as desired"
+ return 0
+ else
+ echo "##### ssh connection test failed. expected return code $CODE"
+ return 1
+ fi
}
failed_cleanup() {
echo "### removing temp dir..."
rm -rf "$TEMPDIR"
+ if [ "$SSHD_PID" ] ; then
+ echo "### killing off lingering sshd..."
+ kill "$SSHD_PID"
+ fi
+
wait
}
+SSHD_PID=
+
## setup trap
trap failed_cleanup EXIT
+
+### SETUP VARIABLES
## set up some variables to ensure that we're operating strictly in
## the tests, not system-wide:
export SSHD_CONFIG="$TEMPDIR"/sshd_config
export SOCKET="$TEMPDIR"/ssh-socket
-export SSHD_PID=
+
+# Make sure $DISPLAY is set to convince ssh and monkeysphere to fall
+# back on $SSH_ASKPASS. Make sure it's not set to the current actual
+# $DISPLAY (if one exists) because this test suite should not be doing
+# *anything* with any running X11 session.
+export DISPLAY=monkeys
+
+### CONFIGURE ENVIRONMENTS
# copy in admin and testuser home to tmp
echo "### copying admin and testuser homes..."
export GNUPGHOME="$TESTHOME"/.gnupg
export SSH_ASKPASS="$TESTHOME"/.ssh/askpass
export MONKEYSPHERE_HOME="$TESTHOME"/.monkeysphere
-
cat <<EOF >> "$TESTHOME"/.ssh/config
UserKnownHostsFile $TESTHOME/.ssh/known_hosts
IdentityFile $TESTHOME/.ssh/no-such-identity
ProxyCommand $TESTHOME/.ssh/proxy-command %h %p $SOCKET
EOF
-
cat <<EOF >> "$MONKEYSPHERE_HOME"/monkeysphere.conf
KNOWN_HOSTS=$TESTHOME/.ssh/known_hosts
EOF
-
get_gpg_prng_arg >> "$GNUPGHOME"/gpg.conf
-# set up a simple default monkeysphere-server.conf
-cat <<EOF >> "$TEMPDIR"/monkeysphere-server.conf
-AUTHORIZED_USER_IDS="$MONKEYSPHERE_HOME/authorized_user_ids"
+# set up sshd
+echo "### configuring sshd..."
+cp etc/ssh/sshd_config "$SSHD_CONFIG"
+# write the sshd_config
+cat <<EOF >> "$SSHD_CONFIG"
+HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key
+AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u
EOF
-### SERVER TESTS
-
-# setup monkeysphere directories
+# set up monkeysphere-server
+echo "### configuring monkeysphere..."
mkdir -p -m 750 "$MONKEYSPHERE_SYSDATADIR"/gnupg-host
mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication
mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/authorized_keys
mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/tmp
+cp etc/monkeysphere/monkeysphere-server.conf "$TEMPDIR"/monkeysphere-server.conf
+cat <<EOF >> "$TEMPDIR"/monkeysphere-server.conf
+AUTHORIZED_USER_IDS="$MONKEYSPHERE_HOME/authorized_user_ids"
+EOF
cat <<EOF > "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication/gpg.conf
primary-keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-authentication/pubring.gpg
keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-host/pubring.gpg
EOF
+
+### SERVER TESTS
+
# create a new host key
echo "### generating server key..."
# add gpg.conf with quick-random
# remove the gpg.conf
rm "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf
-HOSTKEYID=$( monkeysphere-server show-key | tail -n1 | cut -f3 -d\ )
+HOSTKEYID=$( monkeysphere-server show-key | grep '^OpenPGP fingerprint: ' | cut -f3 -d\ )
# certify it with the "Admin's Key".
# (this would normally be done via keyservers)
echo "### adding admin as certifier..."
echo y | monkeysphere-server add-identity-certifier "$TEMPDIR"/admin/.gnupg/pubkey.gpg
-# initialize base sshd_config
-echo "### configuring sshd..."
-cp etc/ssh/sshd_config "$SSHD_CONFIG"
-# write the sshd_config
-cat <<EOF >> "$SSHD_CONFIG"
-HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key
-AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u
-EOF
### TESTUSER TESTS
echo "### ssh connection test for success..."
ssh_test
-# remove the testuser's authorized_user_ids file and update
-# authorized_keys file, this is to make sure that the ssh
-# authentication FAILS...
-echo "### removing testuser authorized_user_ids and reupdating authorized_keys..."
-rm -f "$TESTHOME"/.monkeysphere/authorized_user_ids
+# remove the testuser's authorized_user_ids file, update, and make
+# sure that the ssh authentication FAILS
+echo "### removing testuser authorized_user_ids and updating..."
+mv "$TESTHOME"/.monkeysphere/authorized_user_ids{,.bak}
monkeysphere-server update-users $(whoami)
+echo "### ssh connection test for server authentication denial..."
+ssh_test 255
+mv "$TESTHOME"/.monkeysphere/authorized_user_ids{.bak,}
-# make sure the user can NOT connect
+# put improper permissions on authorized_user_ids file, update, and
+# make sure ssh authentication FAILS
+echo "### setting group writability on authorized_user_ids and updating..."
+chmod g+w "$TESTHOME"/.monkeysphere/authorized_user_ids
+monkeysphere-server update-users $(whoami)
echo "### ssh connection test for server authentication denial..."
-ssh_test
-ret="$?"
-if [ "$ret" != '255' ] ; then
- echo "### connection should have failed!"
- exit "$ret"
-fi
+ssh_test 255
+chmod g-w "$TESTHOME"/.monkeysphere/authorized_user_ids
+echo "### setting other writability on authorized_user_ids and updating..."
+chmod o+w "$TESTHOME"/.monkeysphere/authorized_user_ids
+monkeysphere-server update-users $(whoami)
+echo "### ssh connection test for server authentication denial..."
+ssh_test 255
+chmod o-w "$TESTHOME"/.monkeysphere/authorized_user_ids
+
trap - EXIT
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