From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 12 Jul 2019 15:35:36 +0000 (+0100)
Subject: [Minor] Fix DKIM headers extraction
X-Git-Tag: 2.0~603^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=290857ea8d7238183f8cee461847dded0ab57e47;p=thirdparty%2Frspamd.git

[Minor] Fix DKIM headers extraction
---

diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c
index 1cc72e65d7..69226e5955 100644
--- a/src/libserver/dkim.c
+++ b/src/libserver/dkim.c
@@ -2172,14 +2172,14 @@ rspamd_dkim_canonize_header (struct rspamd_dkim_common_ctx *ctx,
 		rh = rspamd_message_get_header_array (task, header_name);
 
 		if (rh) {
-			/* Check uniqueness of the header */
+			/* Check uniqueness of the header but we count from the bottom to top */
 			for (cur = rh->prev; ; cur = cur->prev) {
-				hdr_cnt ++;
-
 				if (hdr_cnt == count) {
 					sel = cur;
 				}
 
+				hdr_cnt ++;
+
 				if (cur->next == NULL) {
 					/* Cycle */
 					break;