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Diffstat (limited to 'keyexchange/isakmpd-20041012/message.h')
| -rw-r--r-- | keyexchange/isakmpd-20041012/message.h | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/keyexchange/isakmpd-20041012/message.h b/keyexchange/isakmpd-20041012/message.h deleted file mode 100644 index 14b1d9a..0000000 --- a/keyexchange/isakmpd-20041012/message.h +++ /dev/null @@ -1,205 +0,0 @@ -/* $OpenBSD: message.h,v 1.22 2004/08/10 15:59:10 ho Exp $ */ -/* $EOM: message.h,v 1.51 2000/10/10 12:36:39 provos Exp $ */ - -/* - * Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved. - * Copyright (c) 1999 Angelos D. Keromytis. All rights reserved. - * Copyright (c) 2001, 2004 Håkan Olsson. 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. - */ - -#ifndef _MESSAGE_H_ -#define _MESSAGE_H_ - -#include <sys/param.h> -#include <sys/queue.h> -#include <sys/socket.h> -#include <sys/uio.h> - -#include "isakmp.h" - -struct event; -struct message; -struct proto; -struct sa; -struct transport; - -struct payload { - /* Link all payloads of the same type through here. */ - TAILQ_ENTRY(payload) link; - - /* The pointer to the actual payload data. */ - u_int8_t *p; - - /* - * A pointer to the parent payload, used for proposal and transform - * payloads. - */ - struct payload *context; - - /* Payload flags described below. */ - int flags; -}; - -/* Payload flags. */ - -/* - * Set this when a payload has been handled, so we later can sweep over - * unhandled ones. - */ -#define PL_MARK 1 - -/* A post-send chain of functions to be called. */ -struct post_send { - /* Link to the next function in the chain. */ - TAILQ_ENTRY(post_send) link; - - /* The actual function. */ - void (*func) (struct message *); -}; - -struct message { - /* Link message in send queues via this link. */ - TAILQ_ENTRY(message) link; - - /* Message flags described below. */ - u_int flags; - - /* - * This is the transport the message either arrived on or will be sent - * to. - */ - struct transport *transport; - - /* - * This is the ISAKMP SA protecting this message. - * XXX Needs to be redone to some keystate pointer or something. - */ - struct sa *isakmp_sa; - - /* This is the exchange where this message appears. */ - struct exchange *exchange; - - /* - * A segmented buffer structure holding the messages raw contents. On - * input only segment 0 will be filled, holding all of the message. - * On output, as long as the message body is unencrypted each segment - * will be one payload, after encryption segment 0 will be the - * unencrypted header, and segment 1 will be the encrypted payloads, - * all of them. - */ - struct iovec *iov; - - /* The segment count. */ - u_int iovlen; - - /* Pointer to the last "next payload" field. */ - u_int8_t *nextp; - - /* "Smart" pointers to each payload, sorted by type. */ - TAILQ_HEAD(payload_head, payload) *payload; - - /* Number of times this message has been sent. */ - int xmits; - - /* The timeout event causing retransmission of this message. */ - struct event *retrans; - - /* The (possibly encrypted) message text, used for duplicate testing. */ - u_int8_t *orig; - size_t orig_sz; - - /* - * Extra baggage needed to travel with the message. Used transiently - * in context sensitive ways. - */ - void *extra; - - /* - * Hooks for stuff needed to be done after the message has gone out to - * the wire. - */ - TAILQ_HEAD(post_send_head, post_send) post_send; -}; - -/* Message flags. */ - -/* - * This is the last message of an exchange, meaning it should not be - * retransmitted other than if we see duplicates from our peer's last - * message. - */ -#define MSG_LAST 0x01 - -/* The message has already been encrypted. */ -#define MSG_ENCRYPTED 0x02 - -/* The message is on the send queue. */ -#define MSG_IN_TRANSIT 0x04 - -/* This message should be kept on the prioritized sendq. */ -#define MSG_PRIORITIZED 0x08 - -/* This message has successfully been authenticated. */ -#define MSG_AUTHENTICATED 0x10 - -TAILQ_HEAD(msg_head, message); - -/* The number of different ISAKMP payloads supported. */ -extern u_int8_t payload_index_max; - -extern int message_add_payload(struct message *, u_int8_t, u_int8_t *, - size_t, int); -extern int message_add_sa_payload(struct message *); -extern struct message *message_alloc(struct transport *, u_int8_t *, size_t); -extern struct message *message_alloc_reply(struct message *); -extern u_int8_t *message_copy(struct message *, size_t, size_t *); -extern void message_drop(struct message *, int, struct proto *, int, int); -extern void message_dump_raw(char *, struct message *, int); -extern void message_free(struct message *); -extern void message_init(void); -extern int message_negotiate_sa(struct message *, - int (*)(struct exchange *, struct sa *, struct sa *)); -extern int message_recv(struct message *); -extern int message_register_post_send(struct message *, - void (*) (struct message *)); -extern void message_post_send(struct message *); -extern void message_send(struct message *); -extern void message_send_expire(struct message *); -extern void message_send_delete(struct sa *); -extern int message_send_info(struct message *); -extern void message_send_notification(struct message *, struct sa *, - u_int16_t, struct proto *, int); -extern void message_setup_header(struct message *, u_int8_t, u_int8_t, - u_int8_t *); -struct payload *payload_first(struct message *, u_int8_t); -struct payload *payload_last(struct message *, u_int8_t); - -#if defined (USE_DPD) -extern void message_send_dpd_notify(struct sa*, u_int16_t, u_int32_t); -#endif - -#endif /* _MESSAGE_H_ */ |