X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=tests%2Fbasic;h=dc5edb5bd0c25dee3bd53a10910a218694cf06ee;hb=b35bedeb0f5788345be2f9c1ac7753a3d002cb97;hp=f76a265ea43bd388ea3fff022ca16b8f50fdd112;hpb=55d985e807f1cbc859fc859ab099eced10356ce4;p=monkeysphere.git

diff --git a/tests/basic b/tests/basic
index f76a265..dc5edb5 100755
--- a/tests/basic
+++ b/tests/basic
@@ -1,6 +1,9 @@
 #!/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 <dkg@fifthhorseman.net>
@@ -26,8 +29,16 @@ 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?
 
@@ -36,13 +47,15 @@ which socat >/dev/null || { echo "You must have socat installed to run this test
 
 # gpg command for test admin user
 gpgadmin() {
-    chmod 0700 "$TEMPDIR"/admin
+    chmod 0700 "$TEMPDIR"/admin "$TEMPDIR"/admin/.gnupg
     GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg --no-tty "$@"
 }
 
 # test ssh connection
 # first argument is expected return code from ssh connection
 ssh_test() {
+    local RETURN=0
+
     umask 0077
 
     CODE=${1:-0}
@@ -57,30 +70,37 @@ ssh_test() {
 	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 $TEMPDIR/testuser/.ssh/config testhost true"
-    RETURN="$?"
+	"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 "$SSHD_PID"
+    kill "$SSHD_PID" || true
+    wait
     SSHD_PID=
 
-    set -e
-
-    echo "##### return $RETURN"
     if [ "$RETURN" = "$CODE" ] ; then
-	echo "##### ssh connection test returned as desired"
+	echo "##### ssh connection test PASSED. returned: $RETURN"
 	return 0
     else
-	echo "##### ssh connection test failed.  expected return code $CODE"
+	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
@@ -106,7 +126,7 @@ 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"
@@ -123,6 +143,10 @@ 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
+
 export SSHD_CONFIG="$TEMPDIR"/sshd_config
 export SOCKET="$TEMPDIR"/ssh-socket
 
@@ -132,23 +156,42 @@ export SOCKET="$TEMPDIR"/ssh-socket
 # *anything* with any running X11 session.
 export DISPLAY=monkeys
 
-## make sure that the version number matches the debian changelog
-## (don't bother if this is being run from the tests).
-
-if [ -f "$TESTDIR"/../packaging/debian/changelog ]; then
-    echo
-    echo "##################################################"
-    echo "### checking version string match..."
-    repver=$(monkeysphere version)
-    debver=$(head -n1 "$TESTDIR"/../packaging/debian/changelog | sed 's/.*(\([^-]*\)-.*/\1/')
-    if [ "$repver" = "$debver" ] ; then
-	echo "Versions match!"
-    else
-	printf "reported version string (%s) does not match debian changelog (%s)\n" "$repver" "$debver"
-	exit 1
-    fi
+
+## we cannot do proper directory permissions checking if the current
+## working directory has unsatisfactory permissions:
+if ( . "$MONKEYSPHERE_SYSSHAREDIR"/common && check_key_file_permissions $(whoami) "$TEMPDIR" ) ; then 
+    echo "Permissions on temporary directory '$TEMPDIR' are OK for permissions checks."
+    TEMPDIR_PERMISSIONS_SAFE=yes
+else
+    cat <<EOF
+
+!!!WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING!!!
+ Permissions on testing directory '$TEMPDIR' are
+ too loose to do proper strict permissions checking.  Some tests 
+ will be disabled or ignored.
+
+ To avoid this warning (and to make sure that all tests are run
+ properly), please run these tests within a directory that meets
+ sshd's standards for "StrictModes yes" -- the directory (and every
+ one of its parents) should be owned only be the user running this
+ test or root, and should not be writable by group or other.
+!!!WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING!!!
+
+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=no
 fi
 
+
+
 ######################################################################
 ### CONFIGURE ENVIRONMENTS
 
@@ -156,7 +199,8 @@ fi
 echo
 echo "##################################################"
 echo "### configuring testuser home..."
-cp -a "$TESTDIR"/home/testuser "$TEMPDIR"/
+(cd "$TESTDIR"/home && find testuser | cpio -pdu "$TEMPDIR")
+
 # set up environment for testuser
 export TESTHOME="$TEMPDIR"/testuser
 export GNUPGHOME="$TESTHOME"/.gnupg
@@ -176,7 +220,7 @@ get_gpg_prng_arg >> "$GNUPGHOME"/gpg.conf
 echo
 echo "##################################################"
 echo "### configuring admin home..."
-cp -a "$TESTDIR"/home/admin "$TEMPDIR"/
+(cd "$TESTDIR"/home && find admin | cpio -pdu "$TEMPDIR")
 
 # set up sshd
 echo
@@ -189,6 +233,14 @@ HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key
 AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u
 EOF
 
+# disable sshd's strict permissions settings so that some tests can
+# complete when running under a dubious path:
+if [ "$TEMPDIR_PERMISSIONS_SAFE" != yes ] ; then
+    cat <<EOF >> "$SSHD_CONFIG"
+StrictModes no
+EOF
+fi
+
 
 ######################################################################
 ### SERVER HOST SETUP
@@ -285,7 +337,6 @@ monkeysphere-authentication update-users $(whoami)
 # FIXME: this is maybe not failing properly for:
 # ms: improper group or other writability on path '/tmp'.
 
-
 ######################################################################
 ### TESTS
 
@@ -305,7 +356,7 @@ mv "$TESTHOME"/.monkeysphere/authorized_user_ids{,.bak}
 monkeysphere-authentication update-users $(whoami)
 echo
 echo "##################################################"
-echo "### ssh connection test for server authentication denial..."
+echo "### ssh connection test for failure..."
 ssh_test 255
 mv "$TESTHOME"/.monkeysphere/authorized_user_ids{.bak,}
 
@@ -318,8 +369,8 @@ chmod g+w "$TESTHOME"/.monkeysphere/authorized_user_ids
 monkeysphere-authentication update-users $(whoami)
 echo
 echo "##################################################"
-echo "### ssh connection test for server authentication denial..."
-ssh_test 255
+echo "### ssh connection test for failure..."
+ssh_good_perm_test 255
 chmod g-w "$TESTHOME"/.monkeysphere/authorized_user_ids
 echo
 echo "##################################################"
@@ -328,25 +379,179 @@ chmod o+w "$TESTHOME"/.monkeysphere/authorized_user_ids
 monkeysphere-authentication update-users $(whoami)
 echo
 echo "##################################################"
-echo "### ssh connection test for server authentication denial..."
-ssh_test 255
+echo "### ssh connection test for failure..."
+ssh_good_perm_test 255
 chmod o-w "$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 $(whoami)
+ssh_test
+
+
+echo
+echo "##################################################"
+echo "### ssh connection test directly to 'testhost2' without new name..."
+target_hostname=testhost2 ssh_test 255
+echo
+echo "##################################################"
+echo "### add hostname, certify by admin, import by user..."
+monkeysphere-host add-hostname testhost2
+< "$MONKEYSPHERE_SYSCONFIGDIR"/ssh_host_rsa_key.pub.gpg gpgadmin --import
+printf "y\ny\n" | gpgadmin --command-fd 0 --sign-key "$HOSTKEYID"
+
+echo
+echo "##################################################"
+echo "### ssh connection test with hostname 'testhost2' added..."
+gpgadmin --export "$HOSTKEYID" | gpg --import
+gpg --check-trustdb
+ssh_test
+
+echo
+echo "##################################################"
+echo "### ssh connection test directly to 'testhost2' ..."
+gpg --import <"$MONKEYSPHERE_SYSCONFIGDIR"/ssh_host_rsa_key.pub.gpg 
+gpg --check-trustdb
+target_hostname=testhost2 ssh_test
+
+echo
+echo "##################################################"
+echo "### ssh connection test for failure with 'testhost2' revoked..."
+monkeysphere-host revoke-hostname testhost2
+gpg --import <"$MONKEYSPHERE_SYSCONFIGDIR"/ssh_host_rsa_key.pub.gpg
+gpg --check-trustdb
+target_hostname=testhost2 ssh_test 255
+
 # FIXME: addtest: remove admin as id-certifier and check ssh failure
 
-# FIXME: addtest: add hostname on host key
-# FIXME: addtest: revoke hostname on host key and check ssh failure
+# FIXME: addtest: how do we test that set-expire makes sense after new
+# hostnames have been added?
+
+# FIXME: addtest: revoke the host key and check ssh failure
 
-# addtest: revoke the host key and check ssh failure
 # 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 "### ssh connection test for server with revoked key..."
+echo "### revoking 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