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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/* $OpenBSD: dvmrpe.h,v 1.1 2006/06/01 14:12:20 norby Exp $ */
/*
* Copyright (c) 2004, 2005, 2006 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 _DVMRPE_H_
#define _DVMRPE_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;
/* neighbor events */
enum nbr_event {
NBR_EVT_NOTHING,
NBR_EVT_PROBE_RCVD,
NBR_EVT_1_WAY_RCVD,
NBR_EVT_2_WAY_RCVD,
NBR_EVT_KILL_NBR,
NBR_EVT_ITIMER,
NBR_EVT_LL_DOWN
};
/* neighbor actions */
enum nbr_action {
NBR_ACT_NOTHING,
NBR_ACT_RST_ITIMER,
NBR_ACT_STRT_ITIMER,
NBR_ACT_RESET,
NBR_ACT_DEL,
NBR_ACT_CLR_LST
};
struct nbr {
LIST_ENTRY(nbr) entry, hash;
struct event inactivity_timer;
struct rr_head rr_list;
struct in_addr addr;
struct in_addr id;
struct iface *iface;
u_int32_t peerid; /* unique ID in DB */
u_int32_t gen_id;
time_t uptime;
int state;
u_int8_t link_state;
u_int8_t capabilities;
u_int8_t compat; /* mrouted compat */
};
struct route_report {
struct in_addr net;
struct in_addr mask;
struct in_addr nexthop;
struct in_addr adv_rtr;
u_short ifindex;
u_int8_t metric;
};
struct rr_entry {
TAILQ_ENTRY(rr_entry) entry;
struct route_report *re;
};
/* ask_nbrs2.c */
int send_ask_nbrs2(struct iface *, struct in_addr, void *, int);
void recv_ask_nbrs2(struct nbr *, char *, u_int16_t);
/* dvmrpe.c */
pid_t dvmrpe(struct dvmrpd_conf *, int[2], int[2], int[2]);
void dvmrpe_dispatch_main(int, short, void *);
void dvmrpe_dispatch_rde(int, short, void *);
int dvmrpe_imsg_compose_parent(int, pid_t, void *, u_int16_t);
int dvmrpe_imsg_compose_rde(int, u_int32_t, pid_t, void *, u_int16_t);
void dvmrpe_iface_ctl(struct ctl_conn *, unsigned int);
void dvmrpe_iface_igmp_ctl(struct ctl_conn *, unsigned int);
void dvmrpe_nbr_ctl(struct ctl_conn *);
/* graft.c */
int send_graft(struct iface *, struct in_addr, void *, int);
void recv_graft(struct nbr *, char *, u_int16_t);
/* graft_ack.c */
int send_graft_ack(struct iface *, struct in_addr, void *, int);
void recv_graft_ack(struct nbr *, char *, u_int16_t);
/* group.c */
struct ctl_group *group_to_ctl(struct group *);
/* igmp.c */
int group_fsm(struct group *, enum group_event);
int send_igmp_query(struct iface *, struct group *group);
void recv_igmp_query(struct iface *, struct in_addr, char *, u_int16_t);
void recv_igmp_report(struct iface *, struct in_addr, char *, u_int16_t,
u_int8_t);
void recv_igmp_leave(struct iface *, struct in_addr, char *, u_int16_t);
struct group *group_list_add(struct iface *, u_int32_t);
void group_list_remove(struct iface *, struct group *);
struct group *group_list_find(struct iface *, u_int32_t);
void group_list_clr(struct iface *);
int group_list_empty(struct iface *);
void group_list_dump(struct iface *, struct ctl_conn *);
const char *group_event_name(int);
const char *group_action_name(int);
/* interface.c */
int if_fsm(struct iface *, enum iface_event);
struct iface *if_new(struct kif *);
int if_del(struct iface *);
int if_nbr_list_empty(struct iface *);
void if_init(struct dvmrpd_conf *, struct iface *);
const char *if_event_name(int);
const char *if_action_name(int);
int if_set_mcast_ttl(int, u_int8_t);
int if_set_tos(int, int);
int if_set_mcast_loop(int);
void if_set_recvbuf(int);
int if_join_group(struct iface *, struct in_addr *);
int if_leave_group(struct iface *, struct in_addr *);
int if_set_mcast(struct iface *);
struct ctl_iface *if_to_ctl(struct iface *);
/* nbrs2.c */
int send_nbrs2(struct iface *, struct in_addr, void *, int);
void recv_nbrs2(struct nbr *, char *, u_int16_t);
/* neighbor.c */
void nbr_init(u_int32_t);
struct nbr *nbr_new(u_int32_t, struct iface *, int);
int nbr_del(struct nbr *);
struct nbr *nbr_find_ip(struct iface *, u_int32_t);
struct nbr *nbr_find_peerid(u_int32_t);
int nbr_fsm(struct nbr *, enum nbr_event);
int nbr_start_itimer(struct nbr *);
int nbr_stop_itimer(struct nbr *);
int nbr_reset_itimer(struct nbr *);
void nbr_itimer(int, short, void *);
int nbr_act_start(struct nbr *);
int nbr_act_reset_itimer(struct nbr *);
int nbr_act_start_itimer(struct nbr *);
int nbr_act_delete(struct nbr *);
int nbr_act_clear_lists(struct nbr *);
const char *nbr_event_name(int);
const char *nbr_action_name(int);
struct ctl_nbr *nbr_to_ctl(struct nbr *);
/* packet.c */
int gen_dvmrp_hdr(struct buf *, struct iface *, u_int8_t);
int send_packet(struct iface *, void *, size_t, struct sockaddr_in *);
void recv_packet(int, short, void *);
char *pkt_ptr; /* packet buffer */
/* probe.c */
int send_probe(struct iface *);
void recv_probe(struct iface *, struct in_addr, u_int32_t, u_int8_t,
char *, u_int16_t);
/* prune.c */
int send_prune(struct nbr *, void *, int);
void recv_prune(struct nbr *, char *, u_int16_t);
/* report.c */
int send_report(struct iface *, struct in_addr, void *, int);
void recv_report(struct nbr *, char *, u_int16_t);
void report_timer(int, short, void *);
int start_report_timer(void);
int stop_report_timer(void);
void rr_list_add(struct rr_head *, struct route_report *);
void rr_list_clr(struct rr_head *);
void rr_list_send(struct rr_head *, struct iface *, struct nbr *);
#endif /* _DVMRPE_H_ */
|
