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Diffstat (limited to 'keyexchange/isakmpd-20041012/exchange.h')
| -rw-r--r-- | keyexchange/isakmpd-20041012/exchange.h | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/keyexchange/isakmpd-20041012/exchange.h b/keyexchange/isakmpd-20041012/exchange.h deleted file mode 100644 index 67061c0..0000000 --- a/keyexchange/isakmpd-20041012/exchange.h +++ /dev/null @@ -1,252 +0,0 @@ -/* $OpenBSD: exchange.h,v 1.28 2004/08/23 11:13:14 ho Exp $ */ -/* $EOM: exchange.h,v 1.28 2000/09/28 12:54:28 niklas Exp $ */ - -/* - * Copyright (c) 1998, 1999, 2001 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. - */ - -#ifndef _EXCHANGE_H_ -#define _EXCHANGE_H_ - -#include <sys/param.h> -#include <sys/types.h> -#include <sys/queue.h> - -#include "exchange_num.h" -#include "isakmp.h" - -/* Remove an exchange if it has not been fully negotiated in this time. */ -#define EXCHANGE_MAX_TIME 120 - -struct crypto_xf; -struct certreq_aca; -struct doi; -struct event; -struct keystate; -struct message; -struct payload; -struct transport; -struct sa; - -struct exchange { - /* Link to exchanges with the same hash value. */ - LIST_ENTRY(exchange) link; - - /* A name of the SAs this exchange will result in. XXX non unique? */ - char *name; - - /* - * A name of the major policy deciding offers and acceptable - * proposals. - */ - char *policy; - - /* - * A function with a polymorphic argument called after the exchange - * has been run to its end, successfully. The 2nd argument is true - * if the finalization hook is called due to the exchange not running - * to its end normally. - */ - void (*finalize)(struct exchange *, void *, int); - void *finalize_arg; - - /* When several SA's are being negotiated we keep them here. */ - TAILQ_HEAD(sa_head, sa) sa_list; - - /* - * The event that will occur when it has taken too long time to try to - * run the exchange and which will trigger auto-destruction. - */ - struct event *death; - - /* - * Both initiator and responder cookies. - * XXX For code clarity we might split this into two fields. - */ - u_int8_t cookies[ISAKMP_HDR_COOKIES_LEN]; - - /* The message ID signifying phase 2 exchanges. */ - u_int8_t message_id[ISAKMP_HDR_MESSAGE_ID_LEN]; - - /* The exchange type we are using. */ - u_int8_t type; - - /* Phase is 1 for ISAKMP SA exchanges, and 2 for application ones. */ - u_int8_t phase; - - /* The "step counter" of the exchange, starting from zero. */ - u_int8_t step; - - /* 1 if we are the initiator, 0 if we are the responder. */ - u_int8_t initiator; - - /* Various flags, look below for descriptions. */ - u_int32_t flags; - - /* The DOI that is to handle DOI-specific issues for this exchange. */ - struct doi *doi; - - /* - * A "program counter" into the script that validate message contents - * for this exchange. - */ - int16_t *exch_pc; - - /* The last message received, used for checking for duplicates. */ - struct message *last_received; - - /* The last message sent, to be acked when something new is received. */ - struct message *last_sent; - - /* - * If some message is queued up for sending, we want to be able to - * remove it from the queue, when the exchange is deleted. - */ - struct message *in_transit; - - /* - * Initiator's & responder's nonces respectively, with lengths. - * XXX Should this be in the DOI-specific parts instead? - */ - u_int8_t *nonce_i; - size_t nonce_i_len; - u_int8_t *nonce_r; - size_t nonce_r_len; - - /* - * The ID payload contents for the initiator & responder, - * respectively. - */ - u_int8_t *id_i; - size_t id_i_len; - u_int8_t *id_r; - size_t id_r_len; - - /* Policy session identifier, where applicable. */ - int policy_id; - - /* Crypto info needed to encrypt/decrypt packets in this exchange. */ - struct crypto_xf *crypto; - size_t key_length; - struct keystate *keystate; - - /* - * Used only by KeyNote, to cache the key used to authenticate Phase - * 1 - */ - char *keynote_key; /* printable format */ - - /* - * Received certificate - used to verify signatures on packet, - * stored here for later policy processing. - * - * The rules for the recv_* and sent_* fields are: - * - recv_cert stores the credential (if any) received from the peer; - * the kernel may pass us one, but we ignore it. We pass it to the - * kernel so processes can peek at it. When doing passphrase - * authentication in Phase 1, this is empty. - * - recv_key stores the key (public or private) used by the peer - * to authenticate. Otherwise, same properties as recv_cert except - * that we don't tell the kernel about passphrases (so we don't - * reveal system-wide passphrases). Processes that used passphrase - * authentication already know the passphrase! We ignore it if/when - * received from the kernel (meaningless). - * - sent_cert stores the credential, if any, we used to authenticate - * with the peer. It may be passed to us by the kernel, or we may - * have found it in our certificate storage. In either case, there's - * no point passing it to the kernel, so we don't. - * - sent key stores the private key we used for authentication with - * the peer (private key or passphrase). This may have been received - * from the kernel, or may be a system-wide setting. In either case, - * we don't pass it to the kernel, to avoid revealing such information - * to processes (processes either already know it, or have no business - * knowing it). - */ - int recv_certtype, recv_keytype; - void *recv_cert; /* Certificate received from peer, - * native format */ - void *recv_key; /* Key peer used to authenticate, - * native format */ - - /* Likewise, for certificates/keys we use. */ - int sent_certtype, sent_keytype; - void *sent_cert; /* Certificate (to be) sent to peer, - * native format */ - void *sent_key; /* Key we'll use to authenticate to - * peer, native format */ - - /* ACQUIRE sequence number. */ - u_int32_t seq; - - /* XXX This is no longer necessary, it is covered by policy. */ - - /* Acceptable authorities for cert requests. */ - TAILQ_HEAD(aca_head, certreq_aca) aca_list; - - /* DOI-specific opaque data. */ - void *data; -}; - -/* The flag bits. */ -#define EXCHANGE_FLAG_I_COMMITTED 0x01 -#define EXCHANGE_FLAG_HE_COMMITTED 0x02 -#define EXCHANGE_FLAG_COMMITTED (EXCHANGE_FLAG_I_COMMITTED \ - | EXCHANGE_FLAG_HE_COMMITTED) -#define EXCHANGE_FLAG_ENCRYPT 0x04 -#define EXCHANGE_FLAG_NAT_T_CAP_PEER 0x08 /* Peer is NAT capable. */ -#define EXCHANGE_FLAG_NAT_T_ENABLE 0x10 /* We are doing NAT-T. */ -#define EXCHANGE_FLAG_NAT_T_KEEPALIVE 0x20 /* We are the NAT:ed peer. */ -#define EXCHANGE_FLAG_DPD_CAP_PEER 0x40 /* Peer is DPD capable. */ -#define EXCHANGE_FLAG_NAT_T_RFC 0x0080 /* Peer does RFC NAT-T. */ -#define EXCHANGE_FLAG_NAT_T_DRAFT 0x0100 /* Peer does draft NAT-T.*/ - -extern int exchange_add_certs(struct message *); -extern void exchange_finalize(struct message *); -extern void exchange_free(struct exchange *); -extern void exchange_free_aca_list(struct exchange *); -extern void exchange_establish(char *name, void (*)(struct exchange *, - void *, int), void *); -extern void exchange_establish_p1(struct transport *, u_int8_t, u_int32_t, - char *, void *, void (*)(struct exchange *, void *, int), - void *); -extern void exchange_establish_p2(struct sa *, u_int8_t, char *, void *, - void (*)(struct exchange *, void *, int), void *); -extern int exchange_gen_nonce(struct message *, size_t); -extern void exchange_init(void); -extern struct exchange *exchange_lookup(u_int8_t *, int); -extern struct exchange *exchange_lookup_by_name(char *, int); -extern struct exchange *exchange_lookup_from_icookie(u_int8_t *); -extern void exchange_report(void); -extern void exchange_run(struct message *); -extern int exchange_save_nonce(struct message *); -extern int exchange_save_certreq(struct message *); -extern int16_t *exchange_script(struct exchange *); -extern struct exchange *exchange_setup_p1(struct message *, u_int32_t); -extern struct exchange *exchange_setup_p2(struct message *, u_int8_t); -extern void exchange_upgrade_p1(struct message *); - -#endif /* _EXCHANGE_H_ */ |