From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 19 Mar 2015 18:24:09 +0000 (+0000)
Subject: Add global limit for mime regular expressions.
X-Git-Tag: 0.9.0~451^2~16
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=7fb50e6f4c0c000c52ac927c7a95f5d3349a8b8b;p=rspamd.git

Add global limit for mime regular expressions.
---

diff --git a/src/libmime/mime_expressions.c b/src/libmime/mime_expressions.c
index acc2caf0a..ad2f5e34b 100644
--- a/src/libmime/mime_expressions.c
+++ b/src/libmime/mime_expressions.c
@@ -143,6 +143,7 @@ static struct _fl *list_ptr = &rspamd_functions_list[0];
 static guint32 functions_number = sizeof (rspamd_functions_list) /
 	sizeof (struct _fl);
 static gboolean list_allocated = FALSE;
+static guint max_re_data = 0;
 
 /* Bsearch routine */
 static gint
@@ -1257,3 +1258,12 @@ rspamd_has_fake_html (struct rspamd_task * task, GList * args, void *unused)
 	return res;
 
 }
+
+guint
+rspamd_mime_expression_set_re_limit (guint limit)
+{
+	guint ret = max_re_data;
+
+	max_re_data = limit;
+	return ret;
+}
diff --git a/src/libmime/mime_expressions.h b/src/libmime/mime_expressions.h
index ea00bc278..27050ed19 100644
--- a/src/libmime/mime_expressions.h
+++ b/src/libmime/mime_expressions.h
@@ -57,4 +57,11 @@ void task_cache_add (struct rspamd_task *task,
  */
 gint32 task_cache_check (struct rspamd_task *task, struct rspamd_regexp_element *re);
 
+/**
+ * Set global limit of regexp data size to be processed
+ * @param limit new limit in bytes
+ * @return old limit value
+ */
+guint rspamd_mime_expression_set_re_limit (guint limit);
+
 #endif