added X.509 trust chain verification

src/libstrongswan/crypto/certinfo.c

@@ -0,0 +1,198 @@
+/**
+ * @file certinfo.c
+ * 
+ * @brief Implementation of certinfo_t.
+ * 
+ */
+
+/*
+ * Copyright (C) 2006 Andreas Steffen
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include <time.h>
+
+#include <types.h>
+#include <definitions.h>
+
+#include "certinfo.h"
+
+typedef struct private_certinfo_t private_certinfo_t;
+
+/**
+ * Private data of a certinfo_t object.
+ */
+struct private_certinfo_t {
+	/**
+	 * Public interface for this certificate status information object.
+	 */
+	certinfo_t public;
+	
+	/**
+	 * Serial number of the certificate
+	 */
+	chunk_t serialNumber;
+
+	/**
+	 * Certificate status
+	 */
+	cert_status_t status;
+
+	/**
+	 * Time when the certificate status info was generated
+	 */
+	time_t thisUpdate;
+
+	/**
+	 * Time when an updated certifcate status info will be available
+	 */
+	time_t nextUpdate;
+
+	/**
+	 * Time of certificate revocation
+	 */
+    time_t revocationTime;
+
+	/**
+	 * Reason of certificate revocation
+	 */
+    crl_reason_t revocationReason;
+};
+
+/**
+ * RFC 2459 CRL reason codes
+ */
+static const char *const crl_reason_name[] = {
+	"unspecified",
+	"key compromise",
+	"ca compromise",
+	"affiliation changed",
+	"superseded",
+	"cessation of operation",
+	"certificate hold",
+	"reason #7",
+	"remove from crl"
+    };
+
+enum_names crl_reason_names =
+    { REASON_UNSPECIFIED, REASON_REMOVE_FROM_CRL, crl_reason_name, NULL};
+
+/**
+ * Implements certinfo_t.get_serialNumber
+ */
+static chunk_t get_serialNumber(const private_certinfo_t *this)
+{
+	return this->serialNumber;
+}
+
+/**
+ * Implements certinfo_t.set_status
+ */
+static void set_status(private_certinfo_t *this, cert_status_t status)
+{
+	this->status = status;
+}
+
+/**
+ * Implements certinfo_t.get_status
+ */
+static cert_status_t get_status(const private_certinfo_t *this)
+{
+	return this->status;
+}
+
+/**
+ * Implements certinfo_t.set_nextUpdate
+ */
+static void set_nextUpdate(private_certinfo_t *this, time_t nextUpdate)
+{
+	this->nextUpdate = nextUpdate;
+}
+
+/**
+ * Implements certinfo_t.get_nextUpdate
+ */
+static time_t get_nextUpdate(const private_certinfo_t *this)
+{
+	return this->nextUpdate;
+}
+
+/**
+ * Implements certinfo_t.set_revocationTime
+ */
+static void set_revocationTime(private_certinfo_t *this, time_t revocationTime)
+{
+	this->revocationTime = revocationTime;
+}
+
+/**
+ * Implements certinfo_t.get_revocationTime
+ */
+static time_t get_revocationTime(const private_certinfo_t *this)
+{
+	return this->revocationTime;
+}
+
+/**
+ * Implements certinfo_t.set_revocationReason
+ */
+static void set_revocationReason(private_certinfo_t *this, crl_reason_t reason)
+{
+	this->revocationReason = reason;
+}
+
+/**
+ * Implements certinfo_t.get_revocationReason
+ */
+static const char *get_revocationReason(const private_certinfo_t *this)
+{
+	return enum_name(&crl_reason_names, this->revocationReason);
+}
+
+/**
+ * Implements certinfo_t.destroy
+ */
+static void destroy(private_certinfo_t *this)
+{
+	free(this->serialNumber.ptr);
+	free(this);
+}
+
+/*
+ * Described in header.
+ */
+certinfo_t *certinfo_create(chunk_t serial)
+{
+	private_certinfo_t *this = malloc_thing(private_certinfo_t);
+	
+	/* initialize */
+	this->serialNumber = chunk_clone(serial);
+	this->status = CERT_UNDEFINED;
+	this->nextUpdate = UNDEFINED_TIME;
+	this->revocationTime = UNDEFINED_TIME;
+	this->revocationReason = REASON_UNSPECIFIED;
+
+	/* public functions */
+	this->public.get_serialNumber = (chunk_t (*) (const certinfo_t*))get_serialNumber;
+	this->public.set_status = (void (*) (certinfo_t*,cert_status_t))set_status;
+	this->public.get_status = (cert_status_t (*) (const certinfo_t*))get_status;
+	this->public.set_nextUpdate = (void (*) (certinfo_t*,time_t))set_nextUpdate;
+	this->public.get_nextUpdate = (time_t (*) (const certinfo_t*))get_nextUpdate;
+	this->public.set_revocationTime = (void (*) (certinfo_t*,time_t))set_revocationTime;
+	this->public.get_revocationTime = (time_t (*) (const certinfo_t*))get_revocationTime;
+	this->public.set_revocationReason = (void (*) (certinfo_t*, crl_reason_t))set_revocationReason;
+	this->public.get_revocationReason = (const char *(*) (const certinfo_t*))get_revocationReason;
+	this->public.destroy = (void (*) (certinfo_t*))destroy;
+
+	return &this->public;
+}