vici: Support loading of different certificate types

src/libcharon/plugins/vici/vici_cred.c

@@ -44,6 +44,98 @@ struct private_vici_cred_t {
 	mem_cred_t *creds;
 };
 
+/**
+ * Create a (error) reply message
+ */
+static vici_message_t* create_reply(char *fmt, ...)
+{
+	vici_builder_t *builder;
+	va_list args;
+
+	builder = vici_builder_create();
+	builder->add_kv(builder, "success", fmt ? "no" : "yes");
+	if (fmt)
+	{
+		va_start(args, fmt);
+		builder->vadd_kv(builder, "errmsg", fmt, args);
+		va_end(args);
+	}
+	return builder->finalize(builder);
+}
+
+CALLBACK(load_cert, vici_message_t*,
+	private_vici_cred_t *this, char *name, u_int id, vici_message_t *message)
+{
+	certificate_type_t type;
+	x509_flag_t required_flags = 0, additional_flags = 0;
+	certificate_t *cert;
+	x509_t *x509;
+	chunk_t data;
+	char *str;
+
+	str = message->get_str(message, NULL, "type");
+	if (!str)
+	{
+		return create_reply("certificate type missing");
+	}
+	if (strcaseeq(str, "x509"))
+	{
+		type = CERT_X509;
+	}
+	else if (strcaseeq(str, "x509ca"))
+	{
+		type = CERT_X509;
+		required_flags = X509_CA;
+	}
+	else if (strcaseeq(str, "x509aa"))
+	{
+		type = CERT_X509;
+		additional_flags = X509_AA;
+	}
+	else if (strcaseeq(str, "x509crl"))
+	{
+		type = CERT_X509_CRL;
+	}
+	else if (strcaseeq(str, "x509ac"))
+	{
+		type = CERT_X509_AC;
+	}
+	else
+	{
+		return create_reply("invalid certificate type: %s", str);
+	}
+	data = message->get_value(message, chunk_empty, "data");
+	if (!data.len)
+	{
+		return create_reply("certificate data missing");
+	}
+	cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, type,
+							  BUILD_BLOB_PEM, data,
+							  BUILD_X509_FLAG, additional_flags,
+							  BUILD_END);
+	if (!cert)
+	{
+		return create_reply("parsing %N certificate failed",
+							certificate_type_names, type);
+	}
+	if (cert->get_type(cert) == CERT_X509)
+	{
+		x509 = (x509_t*)cert;
+
+		if ((required_flags & x509->get_flags(x509)) != required_flags)
+		{
+			cert->destroy(cert);
+			return create_reply("certificate misses required flag, rejected");
+		}
+	}
+
+	DBG1(DBG_CFG, "loaded certificate '%Y'", cert->get_subject(cert));
+
+	this->creds->add_cert(this->creds, TRUE, cert);
+
+	return create_reply(NULL);
+}
+
 CALLBACK(clear_creds, vici_message_t*,
 	private_vici_cred_t *this, char *name, u_int id, vici_message_t *message)
 {
@@ -68,6 +160,7 @@ static void manage_command(private_vici_cred_t *this,
 static void manage_commands(private_vici_cred_t *this, bool reg)
 {
 	manage_command(this, "clear-creds", clear_creds, reg);
+	manage_command(this, "load-cert", load_cert, reg);
 }
 
 METHOD(vici_cred_t, destroy, void,