From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 13 Jul 2017 20:12:49 +0000 (+0100)
Subject: [Fix] Avoid changing content-transfer-encoding header's value
X-Git-Tag: 1.7.0~852
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d5eb86635b738d55f703b33336ae978effa540b;p=thirdparty%2Frspamd.git

[Fix] Avoid changing content-transfer-encoding header's value
---

diff --git a/src/libmime/mime_parser.c b/src/libmime/mime_parser.c
index d0862e7b45..ea6110e8d2 100644
--- a/src/libmime/mime_parser.c
+++ b/src/libmime/mime_parser.c
@@ -281,11 +281,12 @@ rspamd_mime_part_get_cte (struct rspamd_task *task,
 	else {
 		for (i = 0; i < hdrs_cte->len; i ++) {
 			gsize hlen;
+			gchar lc_buf[128];
 
 			hdr = g_ptr_array_index (hdrs_cte, i);
-			hlen = strlen (hdr->value);
-			rspamd_str_lc (hdr->value, hlen);
-			cte = rspamd_mime_parse_cte (hdr->value, hlen);
+			hlen = rspamd_snprintf (lc_buf, sizeof (lc_buf), "%s", hdr->value);
+			rspamd_str_lc (lc_buf, hlen);
+			cte = rspamd_mime_parse_cte (lc_buf, hlen);
 
 			if (cte != RSPAMD_CTE_UNKNOWN) {
 				part->cte = cte;