1*7b5b21dbSclaudio /* $OpenBSD: ripe.h,v 1.13 2021/01/19 10:00:36 claudio Exp $ */ 2ddeeec14Snorby 3ddeeec14Snorby /* 4ddeeec14Snorby * Copyright (c) 2006 Michele Marchetto <mydecay@openbeer.it> 5ddeeec14Snorby * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org> 6ddeeec14Snorby * 7ddeeec14Snorby * Permission to use, copy, modify, and distribute this software for any 8ddeeec14Snorby * purpose with or without fee is hereby granted, provided that the above 9ddeeec14Snorby * copyright notice and this permission notice appear in all copies. 10ddeeec14Snorby * 11ddeeec14Snorby * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12ddeeec14Snorby * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13ddeeec14Snorby * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14ddeeec14Snorby * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15ddeeec14Snorby * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16ddeeec14Snorby * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17ddeeec14Snorby * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18ddeeec14Snorby */ 19ddeeec14Snorby 20ddeeec14Snorby #ifndef _RIPE_H_ 21ddeeec14Snorby #define _RIPE_H_ 22ddeeec14Snorby 23ddeeec14Snorby #include <sys/types.h> 24ddeeec14Snorby #include <sys/socket.h> 25ddeeec14Snorby #include <netinet/in.h> 26ddeeec14Snorby #include <netinet/ip.h> 27ddeeec14Snorby 2887feb355Sclaudio u_int8_t *pkt_ptr; 29ddeeec14Snorby 30ddeeec14Snorby /* neighbor events */ 31ddeeec14Snorby enum nbr_event { 32ddeeec14Snorby NBR_EVT_RESPONSE_RCVD, 33ddeeec14Snorby NBR_EVT_REQUEST_RCVD, 34e3be6b29Smichele NBR_EVT_RESPONSE_SENT, 35ddeeec14Snorby NBR_EVT_TIMEOUT, 36ddeeec14Snorby NBR_EVT_KILL_NBR, 37ddeeec14Snorby NBR_EVT_NOTHING 38ddeeec14Snorby }; 39ddeeec14Snorby 40ddeeec14Snorby /* neighbor actions */ 41ddeeec14Snorby enum nbr_action { 42ddeeec14Snorby NBR_ACT_STRT_TIMER, 43ddeeec14Snorby NBR_ACT_RST_TIMER, 44ddeeec14Snorby NBR_ACT_DEL, 45ddeeec14Snorby NBR_ACT_NOTHING 46ddeeec14Snorby }; 47ddeeec14Snorby 48ddeeec14Snorby struct nbr_failed { 49a4d2b8b2Smichele struct event timeout_timer; 50ddeeec14Snorby LIST_ENTRY(nbr_failed) entry; 51ddeeec14Snorby struct in_addr addr; 52ddeeec14Snorby u_int32_t auth_seq_num; 53ddeeec14Snorby }; 54ddeeec14Snorby 55ddeeec14Snorby struct nbr { 56ddeeec14Snorby LIST_ENTRY(nbr) entry, hash; 57ddeeec14Snorby struct event timeout_timer; 58ddeeec14Snorby struct in_addr addr; 59ddeeec14Snorby struct in_addr id; 60ddeeec14Snorby 61ddeeec14Snorby struct packet_head rq_list; 62ddeeec14Snorby struct packet_head rp_list; 63ddeeec14Snorby 64ddeeec14Snorby struct iface *iface; 65ddeeec14Snorby 66ddeeec14Snorby u_int32_t peerid; /* unique ID in DB */ 67ddeeec14Snorby u_int32_t auth_seq_num; 68ddeeec14Snorby u_int16_t port; 69ddeeec14Snorby time_t uptime; 70ddeeec14Snorby int state; 71ddeeec14Snorby int flags; 72ddeeec14Snorby }; 73ddeeec14Snorby 74*7b5b21dbSclaudio struct ctl_conn; 75*7b5b21dbSclaudio 76960f8542Smichele /* packet.c */ 77ddeeec14Snorby int send_packet(struct iface *, void *, size_t, struct sockaddr_in *); 78ddeeec14Snorby void recv_packet(int, short, void *); 79e39620e5Snicm int gen_rip_hdr(struct ibuf *, u_int8_t); 80ddeeec14Snorby 81960f8542Smichele /* interface.c */ 82ddeeec14Snorby void if_init(struct ripd_conf *, struct iface *); 83ddeeec14Snorby int if_fsm(struct iface *, enum iface_event); 84ddeeec14Snorby int if_set_mcast(struct iface *); 85ddeeec14Snorby int if_set_mcast_ttl(int, u_int8_t); 86ddeeec14Snorby int if_set_mcast_loop(int); 87ddeeec14Snorby int if_set_opt(int); 88ddeeec14Snorby int if_set_tos(int, int); 89ddeeec14Snorby void if_set_recvbuf(int); 90ddeeec14Snorby struct iface *if_new(struct kif *); 91ddeeec14Snorby void if_del(struct iface *); 92ddeeec14Snorby const char *if_event_name(int); 93ddeeec14Snorby const char *if_action_name(int); 94ddeeec14Snorby int if_join_group(struct iface *, struct in_addr *); 95ddeeec14Snorby int if_leave_group(struct iface *, struct in_addr *); 96ddeeec14Snorby struct ctl_iface *if_to_ctl(struct iface *); 97ddeeec14Snorby 9831b802a2Smichele /* message.c */ 9987feb355Sclaudio void recv_request(struct iface *, struct nbr *, u_int8_t *, u_int16_t); 10087feb355Sclaudio void recv_response(struct iface *, struct nbr *, u_int8_t *, u_int16_t); 101ddeeec14Snorby void add_entry(struct packet_head *, struct rip_route *); 10231b802a2Smichele void clear_list(struct packet_head *); 103ddeeec14Snorby int send_triggered_update(struct iface *, struct rip_route *); 104ddeeec14Snorby int send_request(struct packet_head *, struct iface *, struct nbr *); 105ddeeec14Snorby int send_response(struct packet_head *, struct iface *, struct nbr *); 106ddeeec14Snorby int start_report_timer(void); 107ddeeec14Snorby void report_timer(int, short, void *); 108ddeeec14Snorby 109ddeeec14Snorby /* ripe.c */ 110ddeeec14Snorby pid_t ripe(struct ripd_conf *, int [2], int [2], int [2]); 111ddeeec14Snorby int ripe_imsg_compose_parent(int, pid_t, void *, u_int16_t); 112ddeeec14Snorby int ripe_imsg_compose_rde(int, u_int32_t, pid_t, void *, 113ddeeec14Snorby u_int16_t); 114ddeeec14Snorby void ripe_dispatch_main(int, short, void *); 115ddeeec14Snorby void ripe_dispatch_rde(int, short, void *); 116ddeeec14Snorby void ripe_iface_ctl(struct ctl_conn *, unsigned int); 117ddeeec14Snorby void ripe_nbr_ctl(struct ctl_conn *); 1184d8b14b6Smichele void ripe_demote_iface(struct iface *, int); 119ddeeec14Snorby 120ddeeec14Snorby /* auth.c */ 12187feb355Sclaudio int auth_validate(u_int8_t **, u_int16_t *, struct iface *, struct nbr *, 122ddeeec14Snorby struct nbr_failed *, u_int32_t *); 123e39620e5Snicm int auth_gen(struct ibuf *, struct iface *); 124e39620e5Snicm int auth_add_trailer(struct ibuf *, struct iface *); 125d1c9c145Sclaudio int md_list_add(struct auth_md_head *, u_int8_t, char *); 126ddeeec14Snorby void md_list_copy(struct auth_md_head *, struct auth_md_head *); 127ddeeec14Snorby void md_list_clr(struct auth_md_head *); 128ddeeec14Snorby 129ddeeec14Snorby /* neighbor.c */ 130ddeeec14Snorby void nbr_init(u_int32_t); 13163b45a5dSmichele struct nbr *nbr_new(u_int32_t, struct iface *); 132b38873a2Sjca void nbr_del(struct nbr *); 133ddeeec14Snorby 134ddeeec14Snorby struct nbr *nbr_find_ip(struct iface *, u_int32_t); 135ddeeec14Snorby struct nbr *nbr_find_peerid(u_int32_t); 136ddeeec14Snorby struct nbr_failed *nbr_failed_find(struct iface *, u_int32_t); 137a4d2b8b2Smichele void nbr_failed_delete(struct nbr_failed *); 138ddeeec14Snorby 139ddeeec14Snorby int nbr_fsm(struct nbr *, enum nbr_event); 140ddeeec14Snorby void nbr_timeout_timer(int, short, void *); 141b38873a2Sjca void nbr_act_del(struct nbr *); 142ddeeec14Snorby 143ddeeec14Snorby const char *nbr_event_name(int); 144ddeeec14Snorby const char *nbr_action_name(int); 145ddeeec14Snorby 146ddeeec14Snorby struct ctl_nbr *nbr_to_ctl(struct nbr *); 147ddeeec14Snorby 148ddeeec14Snorby #endif /* _RIPE_H_ */ 149