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Bug 1402909 - Spice connection through ovirt:// fails when engine uses externally issued certificate
Summary: Spice connection through ovirt:// fails when engine uses externally issued ce...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libgovirt
Version: 7.2
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Eduardo Lima (Etrunko)
QA Contact: SPICE QE bug list
URL:
Whiteboard:
Depends On: 1403161
Blocks: 1792231
TreeView+ depends on / blocked
 
Reported: 2016-12-08 15:42 UTC by David Jaša
Modified: 2020-03-31 20:09 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1792231 (view as bug list)
Environment:
Last Closed: 2020-03-31 20:09:14 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2020:1170 0 None None None 2020-03-31 20:09:33 UTC

Description David Jaša 2016-12-08 15:42:49 UTC 
Description of problem:
I can't dig this old issue form BZ so I'm reposting it again: when HTTP server of ovirt-engine uses certificate not signed engine's CA, the engine's CA has to be passed to remote-viewer via --spice-ca-file in spite of the engine CA being available in the very API where libgovirt gets all the rest of connection information. The location of CA certificate in engine is (from [1]):
/ovirt-engine/services/pki-resource?resource=ca-certificate

The engine CA is available in this location since at least 3.5 so we can never mind the old location of /ca.crt

[1] https://www.ovirt.org/develop/release-management/features/infra/pki/#services

Version-Release number of selected component (if applicable):
libgovirt-0.3.3-4.el7.x86_64
virt-viewer-2.0-12.el7.x86_64
spice-gtk3-0.31-6.el7_3.2.x86_64

How reproducible:
always

Steps to Reproduce:
1. have engine with HTTP CA different to engine CA
2. connect using ovirt:// uri to some VM without specifying engine CA:
remote-viewer [--ovirt-ca-file external-ca.pem] ovirt://example.com/VM
3. 

Actual results:
* spice-gtk fails to verify TLS certificate of spice-server
* HTTP log on engine doesn't indicate access to /ovirt-engine/services/pki-resource?resource=ca-certificate

Expected results:
* certificate is downloaded
* client connects just fine

Additional info:
Comment 1 Christophe Fergeau 2016-12-09 10:20:05 UTC 
Tried to improve this, hit this ovirt bug: https://bugzilla.redhat.com/show_bug.cgi?id=1403161
I believe virt-viewer would need something like

diff --git a/src/remote-viewer.c b/src/remote-viewer.c
index 6d29bf2..e029e4c 100644
--- a/src/remote-viewer.c
+++ b/src/remote-viewer.c
@@ -969,7 +969,14 @@ create_ovirt_session(VirtViewerApp *app, const char *uri, GError **err)
                      "cert-subject", host_subject,
                      "proxy", proxy_url,
                      NULL);
-        g_object_get(G_OBJECT(proxy), "ca-cert", &ca_cert, NULL);
+        g_object_get(G_OBJECT(display), "ca-cert", &ca_cert, NULL);
+        g_warning("OvirtVmDisplay::ca-cert %p", ca_cert);
+        if (ca_cert == NULL) {
+            g_object_get(G_OBJECT(proxy), "ca-cert", &ca_cert, NULL);
+                g_object_set(G_OBJECT(session),
+                    "ca", ca_cert,
+                    NULL);
+        }
         if (ca_cert != NULL) {
             g_object_set(G_OBJECT(session),
                     "ca", ca_cert,

but I've been unable to test this.
Comment 2 Eduardo Lima (Etrunko) 2017-11-17 18:44:18 UTC 
Moving to 7.6
Comment 4 Victor Toso 2019-04-01 13:52:26 UTC 
Bug 1403161 is fixed with ovirt-engine-4.3.2.1
Comment 5 Eduardo Lima (Etrunko) 2019-10-04 18:37:11 UTC 
Patch submitted for review. Requires changes in libgovirt as well.

https://www.redhat.com/archives/virt-tools-list/2019-October/msg00007.html
Comment 10 errata-xmlrpc 2020-03-31 20:09:14 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:1170
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