From fb63f8504023cc6cb0b8cf17911cbbc215a4940c Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 17 Dec 2018 16:52:46 +0000
Subject: [PATCH] [Minor] Lua_mimepart: Add get_parent method

---
 src/lua/lua_mimepart.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/src/lua/lua_mimepart.c b/src/lua/lua_mimepart.c
index 09ccdf47da..50cdaa7b79 100644
--- a/src/lua/lua_mimepart.c
+++ b/src/lua/lua_mimepart.c
@@ -487,6 +487,13 @@ LUA_FUNCTION_DEF (mimepart, is_broken);
  * @param {table} params optional parameters
  */
 LUA_FUNCTION_DEF (mimepart, headers_foreach);
+/***
+ * @method mime_part:get_parent()
+ * Returns parent part for this part
+ * @return {rspamd_mimepart} parent part or nil
+ */
+LUA_FUNCTION_DEF (mimepart, get_parent);
+
 
 static const struct luaL_reg mimepartlib_m[] = {
 	LUA_INTERFACE_DEF (mimepart, get_content),
@@ -511,6 +518,7 @@ static const struct luaL_reg mimepartlib_m[] = {
 	LUA_INTERFACE_DEF (mimepart, is_multipart),
 	LUA_INTERFACE_DEF (mimepart, is_message),
 	LUA_INTERFACE_DEF (mimepart, get_children),
+	LUA_INTERFACE_DEF (mimepart, get_parent),
 	LUA_INTERFACE_DEF (mimepart, is_text),
 	LUA_INTERFACE_DEF (mimepart, is_broken),
 	LUA_INTERFACE_DEF (mimepart, is_attachment),
@@ -1672,6 +1680,29 @@ lua_mimepart_get_children (lua_State * L)
 	return 1;
 }
 
+static gint
+lua_mimepart_get_parent (lua_State * L)
+{
+	LUA_TRACE_POINT;
+	struct rspamd_mime_part *part = lua_check_mimepart (L);
+	struct rspamd_mime_part **pparent;
+
+	if (part == NULL) {
+		return luaL_error (L, "invalid arguments");
+	}
+
+	if (part->parent_part) {
+		pparent = lua_newuserdata (L, sizeof (*pparent));
+		*pparent = part->parent_part;
+		rspamd_lua_setclass (L, "rspamd{mimepart}", -1);
+	}
+	else {
+		lua_pushnil (L);
+	}
+
+	return 1;
+}
+
 
 static gint
 lua_mimepart_get_text (lua_State * L)
-- 
2.47.3