From 333f3d2617cfaedfe7c75518e7855832976d031e Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 1 Apr 2021 12:40:41 +0100
Subject: [Fix] Another FSM fix to accomodate possibility of multiple
 consequent ?

---
 src/libmime/mime_headers.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/libmime')

diff --git a/src/libmime/mime_headers.c b/src/libmime/mime_headers.c
index bb7b9373a..4d2c89dae 100644
--- a/src/libmime/mime_headers.c
+++ b/src/libmime/mime_headers.c
@@ -670,6 +670,14 @@ rspamd_mime_header_decode (rspamd_mempool_t *pool, const gchar *in,
 			if (*p == '?') {
 				state = got_more_qmark;
 				qmarks ++;
+
+				/* Skip multiple ? signs */
+				p ++;
+				while (p < end && *p == '?') {
+					p ++;
+				}
+
+				continue;
 			}
 			p ++;
 			break;
-- 
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