[strongSwan-dev] [PATCH 4/8] vici: default to certificate subject for identity

[Timo Teräs]

If id is not specified and certificate authentication is used,
use the certificate subject name as identity. Simplifies
configuration as in most cases this is the right thing to do.

Signed-off-by: Timo Teräs <timo.teras at iki.fi>
---
 src/libcharon/plugins/vici/vici_config.c | 34 ++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/src/libcharon/plugins/vici/vici_config.c b/src/libcharon/plugins/vici/vici_config.c
index 113d480..471e1eb 100644
--- a/src/libcharon/plugins/vici/vici_config.c
+++ b/src/libcharon/plugins/vici/vici_config.c
@@ -13,6 +13,28 @@
  * for more details.
  */
 
+/*
+ * Copyright (C) 2014 Timo Teräs <timo.teras at iki.fi>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 #define _GNU_SOURCE
 
 #include "vici_config.h"
@@ -1460,6 +1482,18 @@ CALLBACK(peer_sn, bool,
 			return FALSE;
 		}
 
+		if (!auth.cfg->get(auth.cfg, AUTH_RULE_IDENTITY))
+		{
+			certificate_t *cert = auth.cfg->get(auth.cfg, AUTH_RULE_SUBJECT_CERT);
+			if (cert)
+			{
+				identification_t *id = cert->get_subject(cert);
+				DBG1(DBG_CFG, "  id not specified, defaulting to cert id '%Y'", id);
+				id = id->clone(id);
+				auth.cfg->add(auth.cfg, AUTH_RULE_IDENTITY, id);
+			}
+		}
+
 		if (strcasepfx(name, "local"))
 		{
 			peer->local->insert_last(peer->local, auth.cfg);
-- 
2.1.0