From 74a1f98290aa6ec986bea9bcd87c4fb8b93afd4d Mon Sep 17 00:00:00 2001
From: John Snow <jsnow@redhat.com>
Date: Fri, 22 Mar 2019 03:22:35 +0100
Subject: [PATCH 068/163] tests: exercise NBD server in TLS mode
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RH-Author: John Snow <jsnow@redhat.com>
Message-id: <20190322032241.8111-23-jsnow@redhat.com>
Patchwork-id: 85104
O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 22/28] tests: exercise NBD server in TLS mode
Bugzilla: 1691563
RH-Acked-by: Max Reitz <mreitz@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
From: Daniel P. Berrangé <berrange@redhat.com>
Add tests that validate it is possible to connect to an NBD server
running TLS mode. Also test mis-matched TLS vs non-TLS connections
correctly fail.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20181116155325.22428-7-berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
[eblake: rebase to iotests shell cleanups, use ss instead of socat for
port probing, sanitize port number in expected output]
Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit afcd1c2f2d438930a17eb87293c0ac2c377158fa)
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tests/qemu-iotests/233 | 102 ++++++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/233.out | 30 +++++++++++++
tests/qemu-iotests/common.nbd | 45 +++++++++++++++++++
tests/qemu-iotests/group | 1 +
4 files changed, 178 insertions(+)
create mode 100755 tests/qemu-iotests/233
create mode 100644 tests/qemu-iotests/233.out
diff --git a/tests/qemu-iotests/233 b/tests/qemu-iotests/233
new file mode 100755
index 0000000..46013ce
--- /dev/null
+++ b/tests/qemu-iotests/233
@@ -0,0 +1,102 @@
+#!/bin/bash
+#
+# Test NBD TLS certificate / authorization integration
+#
+# Copyright (C) 2018 Red Hat, Inc.
+#
+# This program 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 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=berrange@redhat.com
+
+seq=$(basename $0)
+echo "QA output created by $seq"
+
+status=1 # failure is the default!
+
+_cleanup()
+{
+ nbd_server_stop
+ _cleanup_test_img
+ tls_x509_cleanup
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+. ./common.pattern
+. ./common.tls
+. ./common.nbd
+
+_supported_fmt raw qcow2
+_supported_proto file
+# If porting to non-Linux, consider using socat instead of ss in common.nbd
+_supported_os Linux
+_require_command QEMU_NBD
+
+nbd_server_set_tcp_port
+tls_x509_init
+
+echo
+echo "== preparing TLS creds =="
+
+tls_x509_create_root_ca "ca1"
+tls_x509_create_root_ca "ca2"
+tls_x509_create_server "ca1" "server1"
+tls_x509_create_client "ca1" "client1"
+tls_x509_create_client "ca2" "client2"
+
+echo
+echo "== preparing image =="
+_make_test_img 64M
+
+
+echo
+echo "== check TLS client to plain server fails =="
+nbd_server_start_tcp_socket "$TEST_IMG"
+
+$QEMU_IMG info --image-opts \
+ --object tls-creds-x509,dir=${tls_dir}/client1,endpoint=client,id=tls0 \
+ driver=nbd,host=$nbd_tcp_addr,port=$nbd_tcp_port,tls-creds=tls0 \
+ 2>&1 | sed "s/$nbd_tcp_port/PORT/g"
+
+nbd_server_stop
+
+echo
+echo "== check plain client to TLS server fails =="
+
+nbd_server_start_tcp_socket --object tls-creds-x509,dir=${tls_dir}/server1,endpoint=server,id=tls0,verify-peer=yes --tls-creds tls0 "$TEST_IMG"
+
+$QEMU_IMG info nbd://localhost:$nbd_tcp_port 2>&1 | sed "s/$nbd_tcp_port/PORT/g"
+
+echo
+echo "== check TLS works =="
+$QEMU_IMG info --image-opts \
+ --object tls-creds-x509,dir=${tls_dir}/client1,endpoint=client,id=tls0 \
+ driver=nbd,host=$nbd_tcp_addr,port=$nbd_tcp_port,tls-creds=tls0 \
+ 2>&1 | sed "s/$nbd_tcp_port/PORT/g"
+
+echo
+echo "== check TLS with different CA fails =="
+$QEMU_IMG info --image-opts \
+ --object tls-creds-x509,dir=${tls_dir}/client2,endpoint=client,id=tls0 \
+ driver=nbd,host=$nbd_tcp_addr,port=$nbd_tcp_port,tls-creds=tls0 \
+ 2>&1 | sed "s/$nbd_tcp_port/PORT/g"
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/233.out b/tests/qemu-iotests/233.out
new file mode 100644
index 0000000..616e923
--- /dev/null
+++ b/tests/qemu-iotests/233.out
@@ -0,0 +1,30 @@
+QA output created by 233
+
+== preparing TLS creds ==
+Generating a self signed certificate...
+Generating a self signed certificate...
+Generating a signed certificate...
+Generating a signed certificate...
+Generating a signed certificate...
+
+== preparing image ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+
+== check TLS client to plain server fails ==
+qemu-img: Could not open 'driver=nbd,host=127.0.0.1,port=PORT,tls-creds=tls0': Denied by server for option 5 (starttls)
+server reported: TLS not configured
+
+== check plain client to TLS server fails ==
+qemu-img: Could not open 'nbd://localhost:PORT': TLS negotiation required before option 8 (structured reply)
+server reported: Option 0x8 not permitted before TLS
+
+== check TLS works ==
+image: nbd://127.0.0.1:PORT
+file format: nbd
+virtual size: 64M (67108864 bytes)
+disk size: unavailable
+
+== check TLS with different CA fails ==
+option negotiation failed: Verify failed: No certificate was found.
+qemu-img: Could not open 'driver=nbd,host=127.0.0.1,port=PORT,tls-creds=tls0': The certificate hasn't got a known issuer
+*** done
diff --git a/tests/qemu-iotests/common.nbd b/tests/qemu-iotests/common.nbd
index 9f841ab..0f4497a 100644
--- a/tests/qemu-iotests/common.nbd
+++ b/tests/qemu-iotests/common.nbd
@@ -20,6 +20,7 @@
#
nbd_unix_socket="${TEST_DIR}/qemu-nbd.sock"
+nbd_tcp_addr="127.0.0.1"
nbd_pid_file="${TEST_DIR}/qemu-nbd.pid"
function nbd_server_stop()
@@ -62,3 +63,47 @@ function nbd_server_start_unix_socket()
$QEMU_NBD -v -t -k "$nbd_unix_socket" "$@" &
nbd_server_wait_for_unix_socket $!
}
+
+function nbd_server_set_tcp_port()
+{
+ (ss --help) >/dev/null 2>&1 || _notrun "ss utility not found, skipping test"
+
+ for ((port = 10809; port <= 10909; port++))
+ do
+ if ! ss -tln | grep -sqE ":$port\b"; then
+ nbd_tcp_port=$port
+ return
+ fi
+ done
+
+ echo "Cannot find free TCP port for nbd in range 10809-10909"
+ exit 1
+}
+
+function nbd_server_wait_for_tcp_socket()
+{
+ pid=$1
+
+ for ((i = 0; i < 300; i++))
+ do
+ if ss -tln | grep -sqE ":$nbd_tcp_port\b"; then
+ return
+ fi
+ kill -s 0 $pid 2>/dev/null
+ if test $? != 0
+ then
+ echo "qemu-nbd unexpectedly quit"
+ exit 1
+ fi
+ sleep 0.1
+ done
+ echo "Failed in check of TCP socket created by qemu-nbd"
+ exit 1
+}
+
+function nbd_server_start_tcp_socket()
+{
+ nbd_server_stop
+ $QEMU_NBD -v -t -b $nbd_tcp_addr -p $nbd_tcp_port "$@" &
+ nbd_server_wait_for_tcp_socket $!
+}
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index bee2855..b3aeb6b 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -226,6 +226,7 @@
229 auto quick
231 auto quick
232 auto quick
+233 auto quick
234 auto quick migration
236 auto quick
242 rw auto quick
--
1.8.3.1