From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 2 May 2014 00:11:16 +0000 (-0700)
Subject: Refuse invalid DKIM keys.
X-Git-Tag: 0.7.0~237
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2382edd71de686e80e46399ab3f0d3c07cd4c488;p=thirdparty%2Frspamd.git

Refuse invalid DKIM keys.
---

diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c
index e5e3639bb7..abc8ddc059 100644
--- a/src/libserver/dkim.c
+++ b/src/libserver/dkim.c
@@ -638,6 +638,10 @@ rspamd_dkim_make_key (const gchar *keydata, guint keylen, GError **err)
 {
 	rspamd_dkim_key_t							*key = NULL;
 
+	if (keylen < 3) {
+		msg_err ("DKIM key is too short to be valid");
+		return NULL;
+	}
 	key = g_slice_alloc0 (sizeof (rspamd_dkim_key_t));
 	key->keydata = g_slice_alloc (keylen + 1);
 	rspamd_strlcpy (key->keydata, keydata, keylen + 1);