From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 23 Sep 2016 11:38:45 +0000 (+0100)
Subject: [Fix] Fix crash on OpenBSD in `url_email_start`
X-Git-Tag: 1.4.0~390
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b33ef8ab63be63ba712a456c846fe427c347d37;p=thirdparty%2Frspamd.git

[Fix] Fix crash on OpenBSD in `url_email_start`

Issue: #969
MFH: true
---

diff --git a/src/libserver/url.c b/src/libserver/url.c
index cc6cfbb3a8..7231934fd2 100644
--- a/src/libserver/url.c
+++ b/src/libserver/url.c
@@ -1925,9 +1925,13 @@ url_email_start (struct url_callback_data *cb,
 			cb->last_at = NULL;
 			return FALSE;
 		}
+		else if (pos == cb->begin) {
+			/* Just @ at the start of input */
+			return FALSE;
+		}
 	}
 
-	if (pos > cb->begin - 1) {
+	if (pos >= cb->begin + 1) {
 		match->st = *(pos - 1);
 	}
 	else {