1 files changed, 124 insertions, 0 deletions
diff --git a/keyexchange/isakmpd-20041012/ike_main_mode.c b/keyexchange/isakmpd-20041012/ike_main_mode.c
new file mode 100644
index 0000000..1308564
--- /dev/null
+++ b/keyexchange/isakmpd-20041012/ike_main_mode.c
@@ -0,0 +1,124 @@
+/* $OpenBSD: ike_main_mode.c,v 1.15 2004/06/14 09:55:41 ho Exp $	 */
+/* $EOM: ike_main_mode.c,v 1.77 1999/04/25 22:12:34 niklas Exp $	 */
+
+/*
+ * Copyright (c) 1998, 1999 Niklas Hallqvist.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "sysdep.h"
+
+#include "attribute.h"
+#include "conf.h"
+#include "constants.h"
+#include "crypto.h"
+#include "dh.h"
+#include "doi.h"
+#include "exchange.h"
+#include "hash.h"
+#include "ike_auth.h"
+#include "ike_main_mode.h"
+#include "ike_phase_1.h"
+#include "ipsec.h"
+#include "ipsec_doi.h"
+#include "isakmp.h"
+#include "log.h"
+#include "math_group.h"
+#include "message.h"
+#include "prf.h"
+#include "sa.h"
+#include "transport.h"
+#include "util.h"
+
+static int      initiator_send_ID_AUTH(struct message *);
+static int      responder_send_ID_AUTH(struct message *);
+static int      responder_send_KE_NONCE(struct message *);
+
+int (*ike_main_mode_initiator[]) (struct message *) = {
+	ike_phase_1_initiator_send_SA,
+	ike_phase_1_initiator_recv_SA,
+	ike_phase_1_initiator_send_KE_NONCE,
+	ike_phase_1_initiator_recv_KE_NONCE,
+	initiator_send_ID_AUTH,
+	ike_phase_1_recv_ID_AUTH
+};
+
+int (*ike_main_mode_responder[]) (struct message *) = {
+	ike_phase_1_responder_recv_SA,
+	ike_phase_1_responder_send_SA,
+	ike_phase_1_recv_KE_NONCE,
+	responder_send_KE_NONCE,
+	ike_phase_1_recv_ID_AUTH,
+	responder_send_ID_AUTH
+};
+
+static int
+initiator_send_ID_AUTH(struct message *msg)
+{
+	msg->exchange->flags |= EXCHANGE_FLAG_ENCRYPT;
+
+	if (ike_phase_1_send_ID(msg))
+		return -1;
+
+	if (ike_phase_1_send_AUTH(msg))
+		return -1;
+
+	return ipsec_initial_contact(msg);
+}
+
+/* Send our public DH value and a nonce to the initiator.  */
+int
+responder_send_KE_NONCE(struct message *msg)
+{
+	/* XXX Should we really just use the initiator's nonce size?  */
+	if (ike_phase_1_send_KE_NONCE(msg, msg->exchange->nonce_i_len))
+		return -1;
+
+	/*
+	 * Calculate DH values & key material in parallel with the message
+	 * going on a roundtrip over the wire.
+         */
+	message_register_post_send(msg,
+	    (void (*)(struct message *))ike_phase_1_post_exchange_KE_NONCE);
+
+	return 0;
+}
+
+static int
+responder_send_ID_AUTH(struct message *msg)
+{
+	msg->exchange->flags |= EXCHANGE_FLAG_ENCRYPT;
+
+	if (ike_phase_1_responder_send_ID_AUTH(msg))
+		return -1;
+
+	return ipsec_initial_contact(msg);
+}