[libvirt] [PATCH] nwfilter: Handle opening for session

[John Ferlan]

https://bugzilla.redhat.com/show_bug.cgi?id=1608275

Commit id 2870419eb (in part) added virGetConnectNWFilter to
allow opening drivers (interface, network, nwfilter, nodedev,
secret, and storage) based on context and commit id f14c37ce4c
started using the API; however, the nwfilterConnectOpen did
not handle session mode resulting in the following message
being logged when virDomainConfVMNWFilterTeardown was called
during the domain shutdown processing:

error : nwfilterConnectOpen:383 : internal error: unexpected
nwfilter URI path '/session', try nwfilter:///system

So similar to the other drivers add code in to check for
/session when not privileged.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/nwfilter/nwfilter_driver.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/nwfilter/nwfilter_driver.c b/src/nwfilter/nwfilter_driver.c
index ac3a964388..6c25293fd9 100644
--- a/src/nwfilter/nwfilter_driver.c
+++ b/src/nwfilter/nwfilter_driver.c
@@ -377,11 +377,20 @@ nwfilterConnectOpen(virConnectPtr conn,
         return VIR_DRV_OPEN_ERROR;
     }
 
-    if (STRNEQ(conn->uri->path, "/system")) {
-        virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("unexpected nwfilter URI path '%s', try nwfilter:///system"),
-                       conn->uri->path);
-        return VIR_DRV_OPEN_ERROR;
+    if (driver->privileged) {
+        if (STRNEQ(conn->uri->path, "/system")) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("unexpected nwfilter URI path '%s', try nwfilter:///system"),
+                           conn->uri->path);
+            return VIR_DRV_OPEN_ERROR;
+        }
+    } else {
+        if (STRNEQ(conn->uri->path, "/session")) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("unexpected nwfilter URI path '%s', try nwfilter:///session"),
+                           conn->uri->path);
+            return VIR_DRV_OPEN_ERROR;
+        }
     }
 
     if (virConnectOpenEnsureACL(conn) < 0)
-- 
2.17.1