X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=tests%2Fbasic;h=ceb996319cb1b77770fb620b7c157f5ab32acc74;hb=792f1e3324076f8521de33aa15f1dd7ba9c9a73f;hp=832b33a69836a5ba5410ed1b3a8d93a8468c9f93;hpb=deff162a515d6cbd4a657f62d8137c4e82ca7d30;p=monkeysphere.git diff --git a/tests/basic b/tests/basic index 832b33a..ceb9963 100755 --- a/tests/basic +++ b/tests/basic @@ -1,159 +1,571 @@ #!/usr/bin/env bash # Tests to ensure that the monkeysphere is working +# +# unset MONKEYSPHERE_TEST_NO_EXAMINE to get a prompt to examine the +# test state after failure. # Authors: # Daniel Kahn Gillmor # Jameson Rollins -# Copyright: 2008 +# Micah Anderson +# +# Copyright: © 2008-2010 # 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. +# put all the test output to stdout +exec 2>&1 # 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 the TESTDIR is an absolute path, not a relative one. +export TESTDIR=$(cd $(dirname "$0") && pwd) + +source "$TESTDIR"/common + +## make sure that the right tools are installed to run the test. the +## test has *more* requirements than plain ol' monkeysphere: +[ -f /usr/sbin/sshd ] || { echo "You must have sshd installed to run this test." ; exit 1; } +which socat >/dev/null || { echo "You must have socat installed to run this test." ; exit 1; } + +perl -MCrypt::OpenSSL::RSA -e 1 2>/dev/null || { echo "You must have the perl module Crypt::OpenSSL::RSA installed to run this test. +On debian-derived systems, you can set this up with: + apt-get install libcrypt-openssl-rsa-perl" ; exit 1; } + +perl -MDigest::SHA -e 1 2>/dev/null || { echo "You must have the perl module Digest::SHA installed to run this test. +On debian-derived systems, you can set this up with: + apt-get install libdigest-sha-perl" ; exit 1; } + +## FIXME: other checks? + +###################################################################### +### FUNCTIONS # gpg command for test admin user gpgadmin() { - GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg "$@" + chmod 0700 "$TEMPDIR"/admin "$TEMPDIR"/admin/.gnupg + GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg --no-tty "$@" } -failed_cleanup() { -# FIXME: can we be more verbose here? - echo 'FAILED!' - cleanup -} +# test ssh connection +# first argument is expected return code from ssh connection +ssh_test() { + local RETURN=0 -# cleanup: -cleanup() { + umask 0077 - echo - read -p "press enter to cleanup and remove tmp:" + CODE=${1:-0} - if ( ps $SSHD_PID >/dev/null ) ; then - echo "### stopping still-running sshd..." - kill $SSHD_PID - fi + # 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> "$TEMPDIR"/sshd.log & + SSHD_PID="$!" + + # wait until the socket is created before continuing + while [ ! -S "$SOCKET" ] ; do + sleep 1 + done - echo "### removing temp dir..." - rm -rf "$TEMPDIR" + # 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 ${target_hostname:-testhost} true" \ + || RETURN="$?" + # kill the sshd process if it's still running + kill "$SSHD_PID" || true wait + SSHD_PID= + + if [ "$RETURN" = "$CODE" ] ; then + echo "##### ssh connection test PASSED. returned: $RETURN" + return 0 + else + echo "##### ssh connection test FAILED. returned: $RETURN, expected: $CODE" + return 1 + fi } +# invoke this instead of ssh_test() if you want this test to be +# skipped when the working directory has bad permissions. +ssh_good_perm_test() { + if [ "$TEMPDIR_PERMISSIONS_SAFE" = no ] ; then + echo "WARNING!!! Test SKIPPED because we are running in an unsafe working directory." + else + ssh_test "$@" + fi +} + + +SSHD_PID= + ## setup trap trap failed_cleanup EXIT + +###################################################################### +### SETUP VARIABLES + ## set up some variables to ensure that we're operating strictly in ## the tests, not system-wide: -export TESTDIR=$(pwd) +# set up temp dir -# make temp dir -TEMPDIR="$TESTDIR"/tmp -if [ -e "$TEMPDIR" ] ; then - echo "tempdir '$TEMPDIR' already exists." - exit 1 -fi -mkdir "$TEMPDIR" +# NOTE: /tmp can not be used as the temp dir here, since the +# permissions on /tmp are usually such that they will not pass the +# monkeysphere/ssh path permission checking. If you need to use a +# different location than the current source, please set $TMPDIR +# somewhere with tighter permissions. + +mkdir -p "$TESTDIR"/tmp +TEMPDIR=$(mktemp -d "${TMPDIR:-$TESTDIR/tmp}/monkeyspheretest.XXXXXXX") # Use the local copy of executables first, instead of system ones. # This should help us test without installing. -export PATH="$TESTDIR"/../src:"$TESTDIR"/../src/keytrans:"$PATH" +export PATH="$TESTDIR"/../src:"$PATH" export MONKEYSPHERE_SYSDATADIR="$TEMPDIR" export MONKEYSPHERE_SYSCONFIGDIR="$TEMPDIR" -export MONKEYSPHERE_SYSSHAREDIR="$TESTDIR"/../src -export MONKEYSPHERE_MONKEYSPHERE_USER="$USER" +export MONKEYSPHERE_SYSSHAREDIR="$TESTDIR"/../src/share +export MONKEYSPHERE_MONKEYSPHERE_USER=$(whoami) + export MONKEYSPHERE_CHECK_KEYSERVER=false +# example.org does not respond to the HKP port, so this should cause +# any keyserver connection attempts that do happen (they shouldn't!) +# to hang, so we'll notice them: +export MONKEYSPHERE_KEYSERVER=example.org + +export MONKEYSPHERE_LOG_LEVEL=DEBUG +export MONKEYSPHERE_CORE_KEYLENGTH=1024 +export MONKEYSPHERE_PROMPT=false + +# unset SUBKEYS_FOR_AGENT variable which, if set, would confuse the +# into trying to use the user's key, instead of the testuser's key +unset MONKEYSPHERE_SUBKEYS_FOR_AGENT -SSHD_CONFIG="$TEMPDIR"/sshd_config +export SSHD_CONFIG="$TEMPDIR"/sshd_config export SOCKET="$TEMPDIR"/ssh-socket -# copy in admin and testuser home to tmp -echo "### copying admin and testuser homes..." -cp -a "$TESTDIR"/home/admin "$TEMPDIR"/ -cp -a "$TESTDIR"/home/testuser "$TEMPDIR"/ +# 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 +# $DISPLAY (if one exists) because this test suite should not be doing +# *anything* with any running X11 session. +export DISPLAY=monkeys + + +## we cannot do proper directory permissions checking if the current +## working directory has unsatisfactory permissions: +if "$MONKEYSPHERE_SYSSHAREDIR"/checkperms $(whoami) "$TEMPDIR"; then + echo "Permissions on temporary directory '$TEMPDIR' are OK for permissions checks." + TEMPDIR_PERMISSIONS_SAFE=yes +else + cat <> "$TEMPDIR"/testuser/.ssh/config -UserKnownHostsFile $TEMPDIR/testuser/.ssh/known_hosts -ProxyCommand $TEMPDIR/testuser/.ssh/proxy-command %h %p $SOCKET EOF -cat <> "$TEMPDIR"/testuser/.monkeysphere/monkeysphere.conf -KNOWN_HOSTS=$TEMPDIR/testuser/.ssh/known_hosts -EOF + # FIXME: what else should we do with this knowledge to make sure + # that the appropriate tests are handled properly? + TEMPDIR_PERMISSIONS_SAFE=no + + # this is a new option (as of 0.26) to disable filesystem + # permission checks. + + # it should operate by analogy with StrictModes from sshd_config(5) + export MONKEYSPHERE_STRICT_MODES=false +fi + + -### SERVER TESTS +###################################################################### +### CONFIGURE ENVIRONMENTS -# setup monkeysphere temp gnupghome directories -mkdir -p -m 750 "$MONKEYSPHERE_SYSDATADIR"/gnupg-host -mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication -cat < "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication/gpg.conf -primary-keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-authentication/pubring.gpg -keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-host/pubring.gpg +# copy in admin and testuser home to tmp +echo +echo "##################################################" +echo "### configuring testuser home..." +(cd "$TESTDIR"/home && find testuser | cpio -pdu "$TEMPDIR") + +# set up environment for testuser +export TESTHOME="$TEMPDIR"/testuser +export GNUPGHOME="$TESTHOME"/.gnupg +chmod 0700 "$GNUPGHOME" +export SSH_ASKPASS="$TESTHOME"/.ssh/askpass +export MONKEYSPHERE_HOME="$TESTHOME"/.monkeysphere +cat <> "$TESTHOME"/.ssh/config +UserKnownHostsFile $TESTHOME/.ssh/known_hosts +IdentityFile $TESTHOME/.ssh/no-such-identity +ProxyCommand $TESTHOME/.ssh/proxy-command %h %p $SOCKET +EOF +cat <> "$MONKEYSPHERE_HOME"/monkeysphere.conf +KNOWN_HOSTS=$TESTHOME/.ssh/known_hosts +EOF +get_gpg_prng_arg >> "$GNUPGHOME"/gpg.conf + +echo +echo "##################################################" +echo "### configuring admin home..." +(cd "$TESTDIR"/home && find admin | cpio -pdu "$TEMPDIR") + +# set up sshd +echo +echo "##################################################" +echo "### configuring sshd..." +cp "$TESTDIR"/etc/ssh/sshd_config "$SSHD_CONFIG" +# write the sshd_config +cat <> "$SSHD_CONFIG" +HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key +AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u EOF -# create a new host key -echo "### generating server key..." -# add gpg.conf with quick-random -echo "quick-random" >> "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf -echo | monkeysphere-server gen-key --length 1024 --expire 0 testhost -# remove the gpg.conf -rm "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf +# disable sshd's strict permissions settings so that some tests can +# complete when running under a dubious path: +if [ "$TEMPDIR_PERMISSIONS_SAFE" != yes ] ; then + cat <> "$SSHD_CONFIG" +StrictModes no +EOF +fi + + +###################################################################### +### SERVER HOST SETUP + +# import host key +echo +echo "##################################################" +echo "### import host key..." +ssh-keygen -b 1024 -t rsa -N '' -f "$TEMPDIR"/ssh_host_rsa_key +monkeysphere-host import-key "$TEMPDIR"/ssh_host_rsa_key ssh://testhost -HOSTKEYID=$( monkeysphere-server show-key | tail -n1 | cut -f3 -d\ ) +echo +echo "##################################################" +echo "### getting host key fingerprint..." +SSHHOSTKEYID=$( monkeysphere-host show-key | grep '^OpenPGP fingerprint: ' | cut -f3 -d\ ) +echo "$SSHHOSTKEYID" -# certify it with the "Admin's Key". +# change host key expiration +echo +echo "##################################################" +echo "### setting host key expiration..." +monkeysphere-host set-expire 1 +# FIXME: how do we check that the expiration has really been set? + +# certify host key with the "Admin's Key". # (this would normally be done via keyservers) -echo "### certifying server key..." -monkeysphere-server gpg-authentication-cmd "--armor --export $HOSTKEYID" | gpgadmin --import -echo y | gpgadmin --command-fd 0 --sign-key "$HOSTKEYID" +echo +echo "##################################################" +echo "### certifying server host key..." +< "$MONKEYSPHERE_SYSCONFIGDIR"/host_keys.pub.gpg gpgadmin --import +echo y | gpgadmin --command-fd 0 --sign-key "$SSHHOSTKEYID" + +# FIXME: add revoker? # FIXME: how can we test publish-key without flooding junk into the # keyservers? -# add admin as identity certifier for testhost -echo "### adding admin as certifier..." -echo y | monkeysphere-server add-identity-certifier "$TEMPDIR"/admin/.gnupg/pubkey.gpg +# FIXME: should we run "diagnostics" here to test setup? -# initialize base sshd_config -cp etc/ssh/sshd_config "$SSHD_CONFIG" -# write the sshd_config -cat <> "$SSHD_CONFIG" -HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key -AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u + +###################################################################### +### SERVER AUTHENTICATION SETUP + +# set up monkeysphere authentication +echo +echo "##################################################" +echo "### setup monkeysphere authentication..." +cp "$TESTDIR"/etc/monkeysphere/monkeysphere-authentication.conf "$TEMPDIR"/ +cat <> "$TEMPDIR"/monkeysphere-authentication.conf +AUTHORIZED_USER_IDS="$MONKEYSPHERE_HOME/authorized_user_ids" EOF +monkeysphere-authentication setup +get_gpg_prng_arg >> "$MONKEYSPHERE_SYSDATADIR"/authentication/sphere/gpg.conf -# FIXME: teach the "server" about the testuser's key, and update the -# fake authorized_keys file for testuser! +# add admin as identity certifier for testhost +echo +echo "##################################################" +echo "### adding admin as certifier..." +monkeysphere-authentication add-id-certifier "$TEMPDIR"/admin/.gnupg/pubkey.gpg -# launch test sshd with the new host key. -echo "### starting sshd..." -socat EXEC:"/usr/sbin/sshd -f ${SSHD_CONFIG} -i -D -e" "UNIX-LISTEN:${SOCKET}" 2> "$TEMPDIR"/sshd.log & -export SSHD_PID=$! +echo +echo "##################################################" +echo "### list certifiers..." +monkeysphere-authentication list-certifiers -### TESTUSER TESTS +# FIXME: should we run "diagnostics" here to test setup? -# generate an auth subkey for the test user -echo "### generating key for testuser..." -export GNUPGHOME="$TEMPDIR"/testuser/.gnupg -export SSH_ASKPASS="$TEMPDIR"/testuser/.ssh/askpass -export MONKEYSPHERE_HOME="$TEMPDIR"/testuser/.monkeysphere +###################################################################### +### TESTUSER SETUP -monkeysphere gen-subkey --expire 0 +# generate an auth subkey for the test user that expires in 2 days +echo +echo "##################################################" +echo "### generating key for testuser..." +monkeysphere gen-subkey # add server key to testuser keychain +echo +echo "##################################################" echo "### export server key to testuser..." -gpgadmin --armor --export "$HOSTKEYID" | gpg --import - -# connect to test sshd, using monkeysphere-ssh-proxycommand to verify +gpgadmin --armor --export "$SSHHOSTKEYID" | gpg --import + +# teach the "server" about the testuser's key +echo +echo "##################################################" +echo "### export testuser key to server..." +gpg --export testuser | monkeysphere-authentication gpg-cmd --import + +# update authorized_keys for user +echo +echo "##################################################" +echo "### update server authorized_keys file for this testuser..." +monkeysphere-authentication update-users $(whoami) +# FIXME: this is maybe not failing properly for: +# ms: improper group or other writability on path '/tmp'. + +###################################################################### +### TESTS + +## see whether keys-for-userid works from the client's perspective: +echo +echo "##################################################" +echo "### testing monkeysphere keys-for-userid ..." +diff -q <( monkeysphere keys-for-userid ssh://testhost ) <( cut -f1,2 -d' ' < "$TEMPDIR"/ssh_host_rsa_key.pub ) + +# 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-agent bash -c \ - "monkeysphere subkey-to-ssh-agent && ssh -F $TEMPDIR/testuser/.ssh/config testhost" +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test + +# remove the testuser's authorized_user_ids file, update, and make +# sure that the ssh authentication FAILS +echo +echo "##################################################" +echo "### removing testuser authorized_user_ids and updating..." +mv "$TESTHOME"/.monkeysphere/authorized_user_ids{,.bak} +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_test 255 +mv "$TESTHOME"/.monkeysphere/authorized_user_ids{.bak,} + +# put improper permissions on authorized_user_ids file, update, and +# make sure ssh authentication FAILS +echo +echo "##################################################" +echo "### setting group writability on authorized_user_ids and updating..." +chmod g+w "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_good_perm_test 255 +chmod g-w "$TESTHOME"/.monkeysphere/authorized_user_ids +echo +echo "##################################################" +echo "### setting other writability on authorized_user_ids and updating..." +chmod o+w "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_good_perm_test 255 +chmod o-w "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) + +# test symlinks +echo +echo "##################################################" +echo "### setup for symlink tests..." +cp -a "$TESTHOME"/.monkeysphere{,.linktest} + +echo +echo "##################################################" +echo "### make authorized_user_ids an absolute symlink and updating..." +mv "$TESTHOME"/.monkeysphere/authorized_user_ids{,.bak} +ln -s "$TESTHOME"/.monkeysphere{.linktest,}/authorized_user_ids +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test +echo +echo "##################################################" +echo "### create bad permissions on link dir and updating..." +chmod o+w "$TESTHOME"/.monkeysphere.linktest +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_good_perm_test 255 +chmod o-w "$TESTHOME"/.monkeysphere.linktest +echo +echo "##################################################" +echo "### make authorized_user_ids a relative symlink and updating..." +ln -sf ../.monkeysphere.linktest/authorized_user_ids "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test +echo +echo "##################################################" +echo "### create bad permissions on link dir updating..." +chmod o+w "$TESTHOME"/.monkeysphere.linktest +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_good_perm_test 255 +chmod o-w "$TESTHOME"/.monkeysphere.linktest +# FIXME: implement check of link path, and uncomment this test +# echo +# echo "##################################################" +# echo "### create bad permissions on link dir and updating..." +# chmod o+w "$TESTHOME"/.monkeysphere +# monkeysphere-authentication update-users $(whoami) +# echo +# echo "##################################################" +# echo "### ssh connection test for failure..." +# ssh_good_perm_test 255 +# chmod o-w "$TESTHOME"/.monkeysphere +rm "$TESTHOME"/.monkeysphere/authorized_user_ids +mv "$TESTHOME"/.monkeysphere/authorized_user_ids{.bak,} + +echo +echo "##################################################" +echo "### make .monkeysphere directory an absolute symlink and updating..." +mv "$TESTHOME"/.monkeysphere{,.bak} +ln -s "$TESTHOME"/.monkeysphere{.linktest,} +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test +echo +echo "##################################################" +echo "### create bad permissions on link dir and updating..." +chmod o+w "$TESTHOME"/.monkeysphere.linktest +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_good_perm_test 255 +chmod o-w "$TESTHOME"/.monkeysphere.linktest +echo +echo "##################################################" +echo "### make .monkeysphere directory a relative symlink and updating..." +ln -sfn .monkeysphere.linktest "$TESTHOME"/.monkeysphere +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test +echo +echo "##################################################" +echo "### create bad permissions on link dir updating..." +chmod o+w "$TESTHOME"/.monkeysphere.linktest +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_good_perm_test 255 +chmod o-w "$TESTHOME"/.monkeysphere.linktest +rm "$TESTHOME"/.monkeysphere +mv "$TESTHOME"/.monkeysphere{.bak,} + +# ensure we're back to normal: +echo +echo "##################################################" +echo "### making sure we are back to normal..." +monkeysphere-authentication update-users $(whoami) +ssh_test + + +echo +echo "##################################################" +echo "### ssh connection test directly to 'testhost2' without new name..." +target_hostname=testhost2 ssh_test 255 +echo +echo "##################################################" +echo "### add servicename, certify by admin, import by user..." +monkeysphere-host add-servicename ssh://testhost2 +< "$MONKEYSPHERE_SYSCONFIGDIR"/host_keys.pub.gpg gpgadmin --import +printf "y\ny\n" | gpgadmin --command-fd 0 --sign-key "$SSHHOSTKEYID" + +echo +echo "##################################################" +echo "### ssh connection test with hostname 'testhost2' added..." +gpgadmin --export "$SSHHOSTKEYID" | gpg --import +gpg --check-trustdb +ssh_test + +echo +echo "##################################################" +echo "### ssh connection test directly to 'testhost2' ..." +gpg --import <"$MONKEYSPHERE_SYSCONFIGDIR"/host_keys.pub.gpg +gpg --check-trustdb +target_hostname=testhost2 ssh_test + +echo +echo "##################################################" +echo "### ssh connection test for failure with 'testhost2' revoked..." +monkeysphere-host revoke-servicename ssh://testhost2 +gpg --import <"$MONKEYSPHERE_SYSCONFIGDIR"/host_keys.pub.gpg +gpg --check-trustdb +target_hostname=testhost2 ssh_test 255 + +# FIXME: addtest: remove admin as id-certifier and check ssh failure + +# FIXME: addtest: how do we test that set-expire makes sense after new +# servicenames have been added? + +# test to make sure things are OK after the previous tests: +echo +echo "##################################################" +echo "### settings reset, updating..." +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test + +echo +echo "##################################################" +echo "### revoking ssh host key..." +# generate the revocation certificate and feed it directly to the test +# user's keyring (we're not publishing to the keyservers) +monkeysphere-host revoke-key | gpg --import +echo +echo "##################################################" +echo "### ssh connection test for failure..." +ssh_test 255 + + +###################################################################### trap - EXIT + +echo +echo "##################################################" +echo " Monkeysphere basic tests completed successfully!" +echo "##################################################" + cleanup