From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 21 May 2015 12:31:28 +0000 (+0100)
Subject: Do not stem exceptions.
X-Git-Tag: 0.9.4~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=430a45adf42309e63c1b8e7302f64a96614d35f6;p=thirdparty%2Frspamd.git

Do not stem exceptions.
---

diff --git a/src/libmime/message.c b/src/libmime/message.c
index 786510822f..d34dd55986 100644
--- a/src/libmime/message.c
+++ b/src/libmime/message.c
@@ -1208,23 +1208,25 @@ rspamd_normalize_text_part (struct rspamd_task *task,
 				r = sb_stemmer_stem (stem, w->begin, w->len);
 			}
 
-			if (stem != NULL && r != NULL) {
-				nlen = strlen (r);
-				nlen = MIN (nlen, w->len);
-				w->begin = rspamd_mempool_alloc (task->task_pool, nlen);
-				memcpy (w->begin, r, nlen);
-				w->len = nlen;
-			}
-			else {
-				temp_word = w->begin;
-				w->begin = rspamd_mempool_alloc (task->task_pool, w->len);
-				memcpy (w->begin, temp_word, w->len);
-
-				if (IS_PART_UTF (part)) {
-					rspamd_str_lc_utf8 (w->begin, w->len);
+			if (w->len > 0 && !(w->len == 6 && memcmp (w->begin, "!!EX!!", 6) == 0)) {
+				if (stem != NULL && r != NULL) {
+					nlen = strlen (r);
+					nlen = MIN (nlen, w->len);
+					w->begin = rspamd_mempool_alloc (task->task_pool, nlen);
+					memcpy (w->begin, r, nlen);
+					w->len = nlen;
 				}
 				else {
-					rspamd_str_lc (w->begin, w->len);
+					temp_word = w->begin;
+					w->begin = rspamd_mempool_alloc (task->task_pool, w->len);
+					memcpy (w->begin, temp_word, w->len);
+
+					if (IS_PART_UTF (part)) {
+						rspamd_str_lc_utf8 (w->begin, w->len);
+					}
+					else {
+						rspamd_str_lc (w->begin, w->len);
+					}
 				}
 			}
 		}