1 /* $OpenBSD: doi.h,v 1.15 2005/04/08 19:40:02 deraadt Exp $ */ 2 /* $EOM: doi.h,v 1.29 2000/07/02 18:47:15 provos Exp $ */ 3 4 /* 5 * Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * This code was written under funding by Ericsson Radio Systems. 30 */ 31 32 #ifndef _DOI_H_ 33 #define _DOI_H_ 34 35 #include <sys/types.h> 36 #include <sys/queue.h> 37 38 struct exchange; 39 struct keystate; 40 struct message; 41 struct payload; 42 struct proto; 43 struct sa; 44 45 /* XXX This structure needs per-field commenting. */ 46 struct doi { 47 LIST_ENTRY(doi) link; 48 u_int8_t id; 49 50 /* Size of DOI-specific exchange data. */ 51 size_t exchange_size; 52 53 /* Size of DOI-specific security association data. */ 54 size_t sa_size; 55 56 /* Size of DOI-specific protocol data. */ 57 size_t proto_size; 58 59 int (*debug_attribute)(u_int16_t, u_int8_t *, u_int16_t, 60 void *); 61 void (*delete_spi)(struct sa *, struct proto *, int); 62 int16_t *(*exchange_script)(u_int8_t); 63 void (*finalize_exchange)(struct message *); 64 void (*free_exchange_data)(void *); 65 void (*free_proto_data)(void *); 66 void (*free_sa_data)(void *); 67 struct keystate *(*get_keystate)(struct message *); 68 u_int8_t *(*get_spi)(size_t *, u_int8_t, struct message *); 69 int (*handle_leftover_payload)(struct message *, u_int8_t, 70 struct payload *); 71 int (*informational_post_hook)(struct message *); 72 int (*informational_pre_hook)(struct message *); 73 int (*is_attribute_incompatible)(u_int16_t, u_int8_t *, 74 u_int16_t, void *); 75 void (*proto_init)(struct proto *, char *); 76 void (*setup_situation)(u_int8_t *); 77 size_t (*situation_size)(void); 78 u_int8_t (*spi_size)(u_int8_t); 79 int (*validate_attribute)(u_int16_t, u_int8_t *, 80 u_int16_t, void *); 81 int (*validate_exchange)(u_int8_t); 82 int (*validate_id_information)(u_int8_t, u_int8_t *, 83 u_int8_t *, size_t, struct exchange *); 84 int (*validate_key_information)(u_int8_t *, size_t); 85 int (*validate_notification)(u_int16_t); 86 int (*validate_proto)(u_int8_t); 87 int (*validate_situation)(u_int8_t *, size_t *, size_t); 88 int (*validate_transform_id)(u_int8_t, u_int8_t); 89 int (*initiator)(struct message * msg); 90 int (*responder)(struct message * msg); 91 char *(*decode_ids)(char *, u_int8_t *, size_t, u_int8_t *, 92 size_t, int); 93 }; 94 95 extern void doi_init(void); 96 extern struct doi *doi_lookup(u_int8_t); 97 extern void doi_register(struct doi *); 98 99 #endif /* _DOI_H_ */ 100