vici: Add support for certificate policies

src/libcharon/plugins/vici/vici_config.c

@@ -1141,6 +1141,22 @@ CALLBACK(parse_group, bool,
 	return parse_id(cfg, AUTH_RULE_GROUP, v);
 }
 
+/**
+ * Parse certificate policy
+ */
+CALLBACK(parse_cert_policy, bool,
+	auth_cfg_t *cfg, chunk_t v)
+{
+	char buf[BUF_LEN];
+
+	if (!vici_stringify(v, buf, sizeof(buf)))
+	{
+		return FALSE;
+	}
+	cfg->add(cfg, AUTH_RULE_CERT_POLICY, strdup(buf));
+	return TRUE;
+}
+
 /**
  * Parse a certificate; add as auth rule to config
  */
@@ -1402,6 +1418,7 @@ CALLBACK(auth_li, bool,
 {
 	parse_rule_t rules[] = {
 		{ "groups",			parse_group,		auth->cfg					},
+		{ "cert_policy",	parse_cert_policy,	auth						},
 		{ "certs",			parse_certs,		auth						},
 		{ "cacerts",		parse_cacerts,		auth						},
 		{ "pubkeys",		parse_pubkeys,		auth						},

src/swanctl/commands/load_conns.c

@@ -38,6 +38,7 @@ static bool is_list_key(char *key)
 		"vips",
 		"pools",
 		"groups",
+		"cert_policy",
 	};
 	int i;
 

src/swanctl/swanctl.opt

@@ -406,6 +406,12 @@ connections.<conn>.remote<suffix>.groups =
 	can be certified by different means, for example by appropriate Attribute
 	Certificates or by an AAA backend involved in the authentication.
 
+connections.<conn>.remote<suffix>.cert_policy =
+	Certificate policy OIDs the peer's certificate must have.
+
+	Comma separated list of certificate policy OIDs the peer's certificate must
+	have. OIDs are specified using the numerical dotted representation.
+
 connections.<conn>.remote<suffix>.certs =
 	Comma separated list of certificate to accept for authentication.