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[libvirt] [PATCH 1/5] virauth.c: Check for valid auth callback



Instead of adding the same check for every drivers, execute the checks
in virAuthGetUsername and virAuthGetPassword. These funtions are called
when user is not set in the URI.

Signed-off-by: Marcos Paulo de Souza <marcos souza org gmail com>
---
 src/util/virauth.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/util/virauth.c b/src/util/virauth.c
index 8c450b6b31..759b8f0cd3 100644
--- a/src/util/virauth.c
+++ b/src/util/virauth.c
@@ -198,6 +198,12 @@ virAuthGetUsername(virConnectPtr conn,
     if (virAuthGetConfigFilePath(conn, &path) < 0)
         return NULL;
 
+    if (!auth || !auth->cb) {
+        virReportError(VIR_ERR_INVALID_ARG, "%s",
+                       _("Missing or invalid auth pointer"));
+        return NULL;
+    }
+
     return virAuthGetUsernamePath(path, auth, servicename,
                                  defaultUsername, hostname);
 }
@@ -262,5 +268,11 @@ virAuthGetPassword(virConnectPtr conn,
     if (virAuthGetConfigFilePath(conn, &path) < 0)
         return NULL;
 
+    if (!auth || !auth->cb) {
+        virReportError(VIR_ERR_INVALID_ARG, "%s",
+                       _("Missing or invalid auth pointer"));
+        return NULL;
+    }
+
     return virAuthGetPasswordPath(path, auth, servicename, username, hostname);
 }
-- 
2.17.1


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