gnutls-serv: improvements in UDP servertmp-fix-udp-serv

This modifies the server to deinitialize the session after use
(avoiding leaks), and to only send the hello verify request when
a client hello is seen.

This also adds a basic unit test of gnutls-serv with the --udp option.

Resolves #632

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/tests/serv-udp.sh b/tests/serv-udp.sh
new file mode 100755
index 0000000000..9db3a32a42
--- /dev/null
+++ b/tests/serv-udp.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+# Copyright (C) 2010-2016 Free Software Foundation, Inc.
+#
+# Author: Nikos Mavrogiannopoulos
+#
+# This file is part of GnuTLS.
+#
+# GnuTLS is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GnuTLS is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GnuTLS; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+srcdir="${srcdir:-.}"
+SERV="${SERV:-../src/gnutls-serv${EXEEXT}}"
+CLI="${CLI:-../src/gnutls-cli${EXEEXT}}"
+unset RETCODE
+
+if ! test -x "${SERV}"; then
+	exit 77
+fi
+
+if ! test -x "${CLI}"; then
+	exit 77
+fi
+
+if test "${WINDIR}" != ""; then
+	exit 77
+fi
+
+if ! test -z "${VALGRIND}"; then
+	VALGRIND="${LIBTOOL:-libtool} --mode=execute ${VALGRIND} --error-exitcode=15"
+fi
+
+
+SERV="${SERV} -q"
+
+. "${srcdir}/scripts/common.sh"
+
+echo "Checking whether UDP server works"
+
+KEY1=${srcdir}/../doc/credentials/x509/key-rsa.pem
+CERT1=${srcdir}/../doc/credentials/x509/cert-rsa.pem
+
+eval "${GETPORT}"
+launch_server $$ --x509keyfile ${KEY1} --x509certfile ${CERT1} --udp -d 2
+PID=$!
+
+wait_udp_server $PID
+
+${VALGRIND} "${CLI}" -p "${PORT}" 127.0.0.1 --insecure --udp </dev/null >/dev/null || \
+	fail ${PID} "1. handshake should have succeeded!"
+
+#retry
+${VALGRIND} "${CLI}" -p "${PORT}" 127.0.0.1 --insecure --udp </dev/null >/dev/null || \
+	fail ${PID} "2. handshake should have succeeded!"
+
+
+kill ${PID}
+wait
+
+exit 0