Merge remote-tracking branch 'remotes/berrange-gitlab/tags/misc-fixes-pull-request' into staging

Misc error reporting and checking fixes to authorization objects

# gpg: Signature made Wed 18 Nov 2020 12:48:53 GMT
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange-gitlab/tags/misc-fixes-pull-request:
  authz-simple: Check that 'identity' property is set
  authz-pam: Check that 'service' property is set
  authz-list-file: Improve an error message
  authz-list-file: Fix file read error handling

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

authz/listfile.c

@@ -73,7 +73,8 @@ qauthz_list_file_load(QAuthZListFile *fauthz, Error **errp)
 
     pdict = qobject_to(QDict, obj);
     if (!pdict) {
-        error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "obj", "dict");
+        error_setg(errp, "File '%s' must contain a JSON object",
+                   fauthz->filename);
         goto cleanup;
     }
 
@@ -128,6 +129,9 @@ qauthz_list_file_complete(UserCreatable *uc, Error **errp)
     }
 
     fauthz->list = qauthz_list_file_load(fauthz, errp);
+    if (!fauthz->list) {
+        return;
+    }
 
     if (!fauthz->refresh) {
         return;

authz/pamacct.c

@@ -84,6 +84,12 @@ qauthz_pam_prop_get_service(Object *obj,
 static void
 qauthz_pam_complete(UserCreatable *uc, Error **errp)
 {
+    QAuthZPAM *pauthz = QAUTHZ_PAM(uc);
+
+    if (!pauthz->service) {
+        error_setg(errp, "The 'service' property must be set");
+        return;
+    }
 }
 
 

authz/simple.c

@@ -65,11 +65,25 @@ qauthz_simple_finalize(Object *obj)
 }
 
 
+static void
+qauthz_simple_complete(UserCreatable *uc, Error **errp)
+{
+    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(uc);
+
+    if (!sauthz->identity) {
+        error_setg(errp, "The 'identity' property must be set");
+        return;
+    }
+}
+
+
 static void
 qauthz_simple_class_init(ObjectClass *oc, void *data)
 {
     QAuthZClass *authz = QAUTHZ_CLASS(oc);
+    UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 
+    ucc->complete = qauthz_simple_complete;
     authz->is_allowed = qauthz_simple_is_allowed;
 
     object_class_property_add_str(oc, "identity",