[PATCH for 6.1] tests: filter out TLS distinguished name in certificate checks

* [PATCH for 6.1] tests: filter out TLS distinguished name in certificate checks
@ 2021-08-04 18:03 Daniel P. Berrangé
  2021-08-04 21:23 ` Eric Blake
  2021-08-09 15:35 ` Hanna Reitz
  0 siblings, 2 replies; 3+ messages in thread
From: Daniel P. Berrangé @ 2021-08-04 18:03 UTC (permalink / raw)
  To: qemu-devel
  Cc: Kevin Wolf, Daniel P. Berrangé, Eric Blake, qemu-block, Max Reitz

The version of GNUTLS in Fedora 34 has changed the order in which encodes
fields when generating new TLS certificates. This in turn changes the
order seen when querying the distinguished name. This ultimately breaks
the expected output in the NBD TLS iotests. We don't need to be
comparing the exact distinguished name text for the purpose of the test
though, so it is fine to filter it out.

Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 tests/qemu-iotests/233           | 2 +-
 tests/qemu-iotests/233.out       | 4 ++--
 tests/qemu-iotests/common.filter | 5 +++++
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/tests/qemu-iotests/233 b/tests/qemu-iotests/233
index da150cd27b..9ca7b68f42 100755
--- a/tests/qemu-iotests/233
+++ b/tests/qemu-iotests/233
@@ -148,7 +148,7 @@ $QEMU_IMG info --image-opts \
 
 echo
 echo "== final server log =="
-cat "$TEST_DIR/server.log"
+cat "$TEST_DIR/server.log" | _filter_authz_check_tls
 rm -f "$TEST_DIR/server.log"
 
 # success, all done
diff --git a/tests/qemu-iotests/233.out b/tests/qemu-iotests/233.out
index c3c344811b..4b1f6a0e15 100644
--- a/tests/qemu-iotests/233.out
+++ b/tests/qemu-iotests/233.out
@@ -65,6 +65,6 @@ qemu-img: Could not open 'driver=nbd,host=127.0.0.1,port=PORT,tls-creds=tls0': F
 == final server log ==
 qemu-nbd: option negotiation failed: Verify failed: No certificate was found.
 qemu-nbd: option negotiation failed: Verify failed: No certificate was found.
-qemu-nbd: option negotiation failed: TLS x509 authz check for CN=localhost,O=Cthulhu Dark Lord Enterprises client1,L=R'lyeh,C=South Pacific is denied
-qemu-nbd: option negotiation failed: TLS x509 authz check for CN=localhost,O=Cthulhu Dark Lord Enterprises client3,L=R'lyeh,C=South Pacific is denied
+qemu-nbd: option negotiation failed: TLS x509 authz check for DISTINGUISHED-NAME is denied
+qemu-nbd: option negotiation failed: TLS x509 authz check for DISTINGUISHED-NAME is denied
 *** done
diff --git a/tests/qemu-iotests/common.filter b/tests/qemu-iotests/common.filter
index 268b749e2f..2b2b53946c 100644
--- a/tests/qemu-iotests/common.filter
+++ b/tests/qemu-iotests/common.filter
@@ -332,5 +332,10 @@ for fname in fnames:
 sys.stdout.write(result)'
 }
 
+_filter_authz_check_tls()
+{
+    $SED -e 's/TLS x509 authz check for .* is denied/TLS x509 authz check for DISTINGUISHED-NAME is denied/'
+}
+
 # make sure this script returns success
 true
-- 
2.31.1



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