From 3d72be07448fd435640c6d0fdc2859601319d07e Mon Sep 17 00:00:00 2001
From: Martin Schanzenbach <schanzen@gnunet.org>
Date: Thu, 3 Feb 2022 18:12:10 +0100
Subject: GNS: Introduce CRITICAL flag. Fixes #7169

---
 src/include/gnunet_gnsrecord_lib.h    |  9 +++++++++
 src/include/gnunet_gnsrecord_plugin.h | 17 +++++++++++++++++
 2 files changed, 26 insertions(+)

(limited to 'src/include')

diff --git a/src/include/gnunet_gnsrecord_lib.h b/src/include/gnunet_gnsrecord_lib.h
index fdbac3cf5..2b2bd4952 100644
--- a/src/include/gnunet_gnsrecord_lib.h
+++ b/src/include/gnunet_gnsrecord_lib.h
@@ -700,6 +700,15 @@ GNUNET_GNSRECORD_data_from_identity (const struct
 enum GNUNET_GenericReturnValue
 GNUNET_GNSRECORD_is_zonekey_type (uint32_t type);
 
+/**
+ * Check if this type is a critical record.
+ *
+ * @param type the type to check
+ * @return GNUNET_YES if it is critical.
+ */
+enum GNUNET_GenericReturnValue
+GNUNET_GNSRECORD_is_critical (uint32_t type);
+
 
 #if 0 /* keep Emacsens' auto-indent happy */
 {
diff --git a/src/include/gnunet_gnsrecord_plugin.h b/src/include/gnunet_gnsrecord_plugin.h
index aec22c3af..84b7c3c23 100644
--- a/src/include/gnunet_gnsrecord_plugin.h
+++ b/src/include/gnunet_gnsrecord_plugin.h
@@ -105,6 +105,18 @@ typedef const char *
 (*GNUNET_GNSRECORD_NumberToTypenameFunction) (void *cls,
                                               uint32_t type);
 
+/**
+ * Function called to check for critical records.
+ *
+ * @param cls closure
+ * @param type number of a type to check
+ * @return GNUNET_YES if critical, otherwise GNUNET_NO
+ */
+typedef enum GNUNET_GenericReturnValue
+(*GNUNET_GNSRECORD_IsCriticalFunction) (void *cls,
+                                        uint32_t type);
+
+
 
 /**
  * Each plugin is required to return a pointer to a struct of this
@@ -136,6 +148,11 @@ struct GNUNET_GNSRECORD_PluginFunctions
    * Number to typename.
    */
   GNUNET_GNSRECORD_NumberToTypenameFunction number_to_typename;
+
+  /**
+   * Is critical.
+   */
+  GNUNET_GNSRECORD_IsCriticalFunction is_critical;
 };
 
 /** @} */  /* end of group */
-- 
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