let authdb backends synthesize policy file entries

polkit/polkit-authorization-db-dummy.c

@@ -67,6 +67,20 @@ _polkit_authorization_db_new (void)
         return authdb;
 }
 
+void
+_polkit_authorization_db_pfe_foreach   (PolKitPolicyCache *policy_cache, 
+                                        PolKitPolicyCacheForeachFunc callback,
+                                        void *user_data)
+{
+}
+
+PolKitPolicyFileEntry* 
+_polkit_authorization_db_pfe_get_by_id (PolKitPolicyCache *policy_cache, 
+                                        const char *action_id)
+{
+        return NULL;
+}
+
 PolKitAuthorizationDB *
 polkit_authorization_db_ref (PolKitAuthorizationDB *authdb)
 {

polkit/polkit-authorization-db.c

@@ -118,6 +118,21 @@ _polkit_authorization_db_new (void)
         return authdb;
 }
 
+void
+_polkit_authorization_db_pfe_foreach   (PolKitPolicyCache *policy_cache, 
+                                        PolKitPolicyCacheForeachFunc callback,
+                                        void *user_data)
+{
+}
+
+PolKitPolicyFileEntry* 
+_polkit_authorization_db_pfe_get_by_id (PolKitPolicyCache *policy_cache, 
+                                        const char *action_id)
+{
+        return NULL;
+}
+
+
 /**
  * polkit_authorization_db_ref:
  * @authdb: the object

polkit/polkit-policy-cache.c

@@ -235,7 +235,10 @@ polkit_policy_cache_get_entry_by_id (PolKitPolicyCache *policy_cache, const char
                 }
         }
 
-        pfe = NULL;
+        if (pfe == NULL) {
+                /* the authdb backend may want to synthesize pfe's */
+                pfe = _polkit_authorization_db_pfe_get_by_id (policy_cache, action_id);
+        }
 
 out:
         return pfe;        
@@ -272,6 +275,7 @@ polkit_policy_cache_get_entry (PolKitPolicyCache *policy_cache,
                 goto out;
 
         pfe = polkit_policy_cache_get_entry_by_id (policy_cache, action_id);
+
 out:
         return pfe;
 }
@@ -299,6 +303,11 @@ polkit_policy_cache_foreach (PolKitPolicyCache *policy_cache,
                 pfe = i->data;
                 callback (policy_cache, pfe, user_data);
         }
+
+        /* the authdb backend may also want to return synthesized pfe's */
+        _polkit_authorization_db_pfe_foreach (policy_cache,
+                                              callback,
+                                              user_data);
 }
 
 /**

polkit/polkit-private.h

@@ -52,6 +52,14 @@ const char *_polkit_authorization_get_authfile_entry (PolKitAuthorization *auth)
 PolKitAuthorizationDB *_polkit_authorization_db_new            (void);
 void                   _polkit_authorization_db_invalidate_cache (PolKitAuthorizationDB *authdb);
 
+void                   _polkit_authorization_db_pfe_foreach   (PolKitPolicyCache *policy_cache, 
+                                                               PolKitPolicyCacheForeachFunc callback,
+                                                               void *user_data);
+
+PolKitPolicyFileEntry* _polkit_authorization_db_pfe_get_by_id (PolKitPolicyCache *policy_cache, 
+                                                               const char *action_id);
+
+
 PolKitPolicyCache     *_polkit_policy_cache_new       (const char *dirname, polkit_bool_t load_descriptions, PolKitError **error);
 
 PolKitPolicyCache *_polkit_policy_cache_new       (const char *dirname, polkit_bool_t load_descriptions, PolKitError **error);