1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* $OpenBSD: ripe.h,v 1.10 2010/05/26 13:56:08 nicm Exp $ */
/*
* Copyright (c) 2006 Michele Marchetto <mydecay@openbeer.it>
* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _RIPE_H_
#define _RIPE_H_
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
TAILQ_HEAD(ctl_conns, ctl_conn) ctl_conns;
u_int8_t *pkt_ptr;
/* neighbor events */
enum nbr_event {
NBR_EVT_RESPONSE_RCVD,
NBR_EVT_REQUEST_RCVD,
NBR_EVT_RESPONSE_SENT,
NBR_EVT_TIMEOUT,
NBR_EVT_KILL_NBR,
NBR_EVT_NOTHING
};
/* neighbor actions */
enum nbr_action {
NBR_ACT_STRT_TIMER,
NBR_ACT_RST_TIMER,
NBR_ACT_DEL,
NBR_ACT_NOTHING
};
struct nbr_failed {
struct event timeout_timer;
LIST_ENTRY(nbr_failed) entry;
struct in_addr addr;
u_int32_t auth_seq_num;
};
struct nbr {
LIST_ENTRY(nbr) entry, hash;
struct event timeout_timer;
struct in_addr addr;
struct in_addr id;
struct packet_head rq_list;
struct packet_head rp_list;
struct iface *iface;
u_int32_t peerid; /* unique ID in DB */
u_int32_t auth_seq_num;
u_int16_t port;
time_t uptime;
int state;
int flags;
};
/* packet.c */
int send_packet(struct iface *, void *, size_t, struct sockaddr_in *);
void recv_packet(int, short, void *);
int gen_rip_hdr(struct ibuf *, u_int8_t);
/* interface.c */
void if_init(struct ripd_conf *, struct iface *);
int if_fsm(struct iface *, enum iface_event);
int if_set_mcast(struct iface *);
int if_set_mcast_ttl(int, u_int8_t);
int if_set_mcast_loop(int);
int if_set_opt(int);
int if_set_tos(int, int);
void if_set_recvbuf(int);
struct iface *if_new(struct kif *);
void if_del(struct iface *);
const char *if_event_name(int);
const char *if_action_name(int);
int if_join_group(struct iface *, struct in_addr *);
int if_leave_group(struct iface *, struct in_addr *);
struct ctl_iface *if_to_ctl(struct iface *);
/* message.c */
void recv_request(struct iface *, struct nbr *, u_int8_t *, u_int16_t);
void recv_response(struct iface *, struct nbr *, u_int8_t *, u_int16_t);
void add_entry(struct packet_head *, struct rip_route *);
void clear_list(struct packet_head *);
int send_triggered_update(struct iface *, struct rip_route *);
int send_request(struct packet_head *, struct iface *, struct nbr *);
int send_response(struct packet_head *, struct iface *, struct nbr *);
int start_report_timer(void);
void report_timer(int, short, void *);
/* ripe.c */
pid_t ripe(struct ripd_conf *, int [2], int [2], int [2]);
int ripe_imsg_compose_parent(int, pid_t, void *, u_int16_t);
int ripe_imsg_compose_rde(int, u_int32_t, pid_t, void *,
u_int16_t);
void ripe_dispatch_main(int, short, void *);
void ripe_dispatch_rde(int, short, void *);
void ripe_iface_ctl(struct ctl_conn *, unsigned int);
void ripe_nbr_ctl(struct ctl_conn *);
void ripe_demote_iface(struct iface *, int);
/* auth.c */
int auth_validate(u_int8_t **, u_int16_t *, struct iface *, struct nbr *,
struct nbr_failed *, u_int32_t *);
int auth_gen(struct ibuf *, struct iface *);
int auth_add_trailer(struct ibuf *, struct iface *);
int md_list_add(struct auth_md_head *, u_int8_t, char *);
void md_list_copy(struct auth_md_head *, struct auth_md_head *);
void md_list_clr(struct auth_md_head *);
/* neighbor.c */
void nbr_init(u_int32_t);
struct nbr *nbr_new(u_int32_t, struct iface *);
void nbr_act_del(struct nbr *);
struct nbr *nbr_find_ip(struct iface *, u_int32_t);
struct nbr *nbr_find_peerid(u_int32_t);
struct nbr_failed *nbr_failed_find(struct iface *, u_int32_t);
void nbr_failed_delete(struct nbr_failed *);
int nbr_fsm(struct nbr *, enum nbr_event);
void nbr_timeout_timer(int, short, void *);
void nbr_act_delete(struct nbr *);
const char *nbr_event_name(int);
const char *nbr_action_name(int);
struct ctl_nbr *nbr_to_ctl(struct nbr *);
#endif /* _RIPE_H_ */
|
