From f29ecb6a74cd7aea7c67682b5b6172c4094253dd Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 7 Apr 2015 22:39:37 +0100
Subject: [PATCH] Use rspamd{text} for storing task content.

---
 src/lua/lua_common.h | 23 +++++++++++++++--------
 src/lua/lua_regexp.c | 16 +++++++++++++---
 src/lua/lua_task.c   | 14 +++++++-------
 3 files changed, 35 insertions(+), 18 deletions(-)

diff --git a/src/lua/lua_common.h b/src/lua/lua_common.h
index 07ed77c14..9299bd651 100644
--- a/src/lua/lua_common.h
+++ b/src/lua/lua_common.h
@@ -55,6 +55,19 @@ struct lua_locked_state {
 	rspamd_mutex_t *m;
 };
 
+/**
+ * Lua IP address structure
+ */
+struct rspamd_lua_ip {
+	rspamd_inet_addr_t *addr;
+};
+
+struct rspamd_lua_text {
+	const gchar *start;
+	gsize len;
+};
+
+
 /* Common utility functions */
 
 /**
@@ -132,6 +145,8 @@ void rspamd_lua_task_push (lua_State *L, struct rspamd_task *task);
  */
 struct rspamd_lua_ip * lua_check_ip (lua_State * L, gint pos);
 
+struct rspamd_lua_text * lua_check_text (lua_State * L, gint pos);
+
 /**
  * Check for task at the specified position
  */
@@ -146,14 +161,6 @@ void rspamd_lua_ip_push_fromstring (lua_State *L, const gchar *ip_str);
  * Create type error
  */
 int rspamd_lua_typerror (lua_State *L, int narg, const char *tname);
-
-/**
- * Lua IP address structure
- */
-struct rspamd_lua_ip {
-	rspamd_inet_addr_t *addr;
-};
-
 /**
  * Open libraries functions
  */
diff --git a/src/lua/lua_regexp.c b/src/lua/lua_regexp.c
index ba5281299..fa7389537 100644
--- a/src/lua/lua_regexp.c
+++ b/src/lua/lua_regexp.c
@@ -285,12 +285,22 @@ static int
 lua_regexp_match (lua_State *L)
 {
 	struct rspamd_lua_regexp *re = lua_check_regexp (L);
-	const gchar *data;
-	gsize len;
+	struct rspamd_lua_text *t;
+	const gchar *data = NULL;
+	gsize len = 0;
 	gboolean raw = FALSE;
 
 	if (re) {
-		data = luaL_checklstring (L, 2, &len);
+		if (lua_type (L, 2) == LUA_TSTRING) {
+			data = luaL_checklstring (L, 2, &len);
+		}
+		else if (lua_type (L, 2) == LUA_TUSERDATA) {
+			t = lua_check_text (L, 2);
+			if (t != NULL) {
+				data = t->start;
+				len = t->len;
+			}
+		}
 
 		if (lua_gettop (L) == 3) {
 			raw = lua_toboolean (L, 3);
diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index 13fe9042e..08470fcad 100644
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -684,11 +684,6 @@ static const struct luaL_reg urllib_m[] = {
 };
 
 /* Blob methods */
-struct rspamd_lua_text {
-	const gchar *start;
-	gsize len;
-};
-
 LUA_FUNCTION_DEF (text, len);
 LUA_FUNCTION_DEF (text, str);
 
@@ -740,7 +735,7 @@ lua_check_url (lua_State * L)
 	return ud ? *((struct rspamd_url **)ud) : NULL;
 }
 
-static struct rspamd_lua_text *
+struct rspamd_lua_text *
 lua_check_text (lua_State * L, gint pos)
 {
 	void *ud = luaL_checkudata (L, pos, "rspamd{text}");
@@ -1016,9 +1011,14 @@ static gint
 lua_task_get_content (lua_State * L)
 {
 	struct rspamd_task *task = lua_check_task (L, 1);
+	struct rspamd_lua_text *t;
 
 	if (task) {
-		lua_pushlstring (L, task->msg.start, task->msg.len);
+		t = lua_newuserdata (L, sizeof (*t));
+		rspamd_lua_setclass (L, "rspamd{text}", -1);
+		t->len = task->msg.len;
+		t->start = task->msg.start;
+
 		return 1;
 	}
 
-- 
2.39.5