/* * The mrouted program is covered by the license in the accompanying file * named "LICENSE". Use of the mrouted program represents acceptance of * the terms and conditions listed in that file. * * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of * Leland Stanford Junior University. * * * $FreeBSD: src/usr.sbin/mrouted/defs.h,v 1.12.2.1 2001/07/19 01:41:11 kris Exp $ * $DragonFly: src/usr.sbin/mrouted/defs.h,v 1.6 2004/02/10 02:59:42 rob Exp $ * defs.h,v 3.8.4.15 1998/03/01 02:51:42 fenner Exp */ #include #include #include #include #include #include #include #include #include #include #include #include #ifdef SYSV #include #endif #ifdef _AIX #include #endif #include #include #include #define rtentry kern_rtentry /* XXX !!! UGH */ #include #undef rtentry #include #include #include #include #include #ifdef __DragonFly__ /* sigh */ #include #define rtentry kernel_rtentry #include #undef rtentry #endif #include #ifdef RSRR #include #endif /* RSRR */ /*XXX*/ typedef u_int u_int32; typedef void (*cfunc_t)(void *); typedef void (*ihfunc_t)(int, fd_set *); #include "dvmrp.h" #include "igmpv2.h" #include "vif.h" #include "route.h" #include "prune.h" #include "pathnames.h" #ifdef RSRR #include "rsrr.h" #include "rsrr_var.h" #endif /* RSRR */ /* * Miscellaneous constants and macros. */ #define FALSE 0 #define TRUE 1 #define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0) #define TIMER_INTERVAL ROUTE_MAX_REPORT_DELAY #define PROTOCOL_VERSION 3 /* increment when packet format/content changes */ #define MROUTED_VERSION 9 /* not in DVMRP packets at all */ #define DVMRP_CONSTANT 0x000eff00 /* constant portion of 'group' field */ #define MROUTED_LEVEL (DVMRP_CONSTANT | PROTOCOL_VERSION) /* for IGMP 'group' field of DVMRP messages */ #define LEAF_FLAGS (( vifs_with_neighbors == 1 ) ? 0x010000 : 0) /* more for IGMP 'group' field of DVMRP messages */ #define DEL_RTE_GROUP 0 #define DEL_ALL_ROUTES 1 /* for Deleting kernel table entries */ /* obnoxious gcc gives an extraneous warning about this constant... */ #if defined(__STDC__) || defined(__GNUC__) #define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */ #else #define JAN_1970 2208988800L /* 1970 - 1900 in seconds */ #define const /**/ #endif #ifdef RSRR #define BIT_ZERO(X) ((X) = 0) #define BIT_SET(X,n) ((X) |= 1 << (n)) #define BIT_CLR(X,n) ((X) &= ~(1 << (n))) #define BIT_TST(X,n) ((X) & 1 << (n)) #endif /* RSRR */ #ifdef SYSV #define bcopy(a, b, c) memcpy(b, a, c) #define bzero(s, n) memset((s), 0, (n)) #define setlinebuf(s) setvbuf(s, NULL, _IOLBF, 0) #endif #if defined(_AIX) || (defined(BSD) && (BSD >= 199103)) #define HAVE_SA_LEN #endif /* * External declarations for global variables and functions. */ #define RECV_BUF_SIZE 8192 extern char *recv_buf; extern char *send_buf; extern int igmp_socket; #ifdef RSRR extern int rsrr_socket; #endif /* RSRR */ extern u_int32 allhosts_group; extern u_int32 allrtrs_group; extern u_int32 dvmrp_group; extern u_int32 dvmrp_genid; #define IF_DEBUG(l) if (debug && debug & (l)) #define DEBUG_PKT 0x0001 #define DEBUG_PRUNE 0x0002 #define DEBUG_ROUTE 0x0004 #define DEBUG_PEER 0x0008 #define DEBUG_CACHE 0x0010 #define DEBUG_TIMEOUT 0x0020 #define DEBUG_IF 0x0040 #define DEBUG_MEMBER 0x0080 #define DEBUG_TRACE 0x0100 #define DEBUG_IGMP 0x0200 #define DEBUG_RTDETAIL 0x0400 #define DEBUG_KERN 0x0800 #define DEBUG_RSRR 0x1000 #define DEBUG_ICMP 0x2000 #define DEFAULT_DEBUG 0x02de /* default if "-d" given without value */ extern int debug; extern int did_final_init; extern int routes_changed; extern int delay_change_reports; extern unsigned nroutes; extern struct uvif uvifs[MAXVIFS]; extern vifi_t numvifs; extern int vifs_down; extern int udp_socket; extern int vifs_with_neighbors; extern char s1[]; extern char s2[]; extern char s3[]; extern char s4[]; #if !(defined(BSD) && (BSD >= 199103)) extern int errno; extern int sys_nerr; extern char * sys_errlist[]; #endif #ifdef OLD_KERNEL #define MRT_INIT DVMRP_INIT #define MRT_DONE DVMRP_DONE #define MRT_ADD_VIF DVMRP_ADD_VIF #define MRT_DEL_VIF DVMRP_DEL_VIF #define MRT_ADD_MFC DVMRP_ADD_MFC #define MRT_DEL_MFC DVMRP_DEL_MFC #endif #ifndef IGMP_PIM #define IGMP_PIM 0x14 #endif #ifndef IPPROTO_IPIP #define IPPROTO_IPIP 4 #endif /* * The original multicast releases defined * IGMP_HOST_{MEMBERSHIP_QUERY,MEMBERSHIP_REPORT,NEW_MEMBERSHIP_REPORT * ,LEAVE_MESSAGE}. Later releases removed the HOST and inserted * the IGMP version number. NetBSD inserted the version number in * a different way. mrouted uses the new names, so we #define them * to the old ones if needed. */ #if !defined(IGMP_MEMBERSHIP_QUERY) && defined(IGMP_HOST_MEMBERSHIP_QUERY) #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE #endif #ifndef IGMP_V1_MEMBERSHIP_REPORT #ifdef IGMP_HOST_MEMBERSHIP_REPORT #define IGMP_V1_MEMBERSHIP_REPORT IGMP_HOST_MEMBERSHIP_REPORT #define IGMP_V2_MEMBERSHIP_REPORT IGMP_HOST_NEW_MEMBERSHIP_REPORT #endif #ifdef IGMP_v1_HOST_MEMBERSHIP_REPORT #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT #endif #endif /* * NetBSD also renamed the mtrace types. */ #if !defined(IGMP_MTRACE_RESP) && defined(IGMP_MTRACE_REPLY) #define IGMP_MTRACE_RESP IGMP_MTRACE_REPLY #define IGMP_MTRACE IGMP_MTRACE_QUERY #endif /* main.c */ extern char * scaletime(u_long); extern void dolog(int, int, char *, ...) __printflike(3, 4); extern int register_input_handler(int, ihfunc_t); /* igmp.c */ extern void init_igmp(void); extern void accept_igmp(int); extern void build_igmp(u_int32, u_int32, int, int, u_int32, int); extern void send_igmp(u_int32, u_int32, int, int, u_int32, int); extern char * igmp_packet_kind(u_int, u_int); extern int igmp_debug_kind(u_int, u_int); /* icmp.c */ extern void init_icmp(void); /* ipip.c */ extern void init_ipip(void); extern void init_ipip_on_vif(struct uvif *); extern void send_ipip(u_int32, u_int32, int, int, u_int32, int, struct uvif *); /* callout.c */ extern void callout_init(void); extern void free_all_callouts(void); extern void age_callout_queue(int); extern int timer_nextTimer(void); extern int timer_setTimer(int, cfunc_t, void *); extern int timer_clearTimer(int); extern int timer_leftTimer(int); /* route.c */ extern void init_routes(void); extern void start_route_updates(void); extern void update_route(u_int32, u_int32, u_int, u_int32, vifi_t, struct listaddr *); extern void age_routes(void); extern void expire_all_routes(void); extern void free_all_routes(void); extern void accept_probe(u_int32, u_int32, char *, int, u_int32); extern void accept_report(u_int32, u_int32, char *, int, u_int32); extern struct rtentry * determine_route(u_int32 src); extern void report(int, vifi_t, u_int32); extern void report_to_all_neighbors(int); extern int report_next_chunk(void); extern void blaster_alloc(vifi_t); extern void add_vif_to_routes(vifi_t); extern void delete_vif_from_routes(vifi_t); extern void add_neighbor_to_routes(vifi_t, int); extern void delete_neighbor_from_routes(u_int32, vifi_t, int); extern void dump_routes(FILE *fp); /* vif.c */ extern void init_vifs(void); extern void zero_vif(struct uvif *, int); extern void init_installvifs(void); extern void check_vif_state(void); extern void send_on_vif(struct uvif *, u_int32, int, int); extern vifi_t find_vif(u_int32, u_int32); extern void age_vifs(void); extern void dump_vifs(FILE *); extern void stop_all_vifs(void); extern struct listaddr *neighbor_info(vifi_t, u_int32); extern void accept_group_report(u_int32, u_int32, u_int32, int); extern void query_groups(void); extern void probe_for_neighbors(void); extern struct listaddr *update_neighbor(vifi_t, u_int32, int, char *, int, u_int32); extern void accept_neighbor_request(u_int32, u_int32); extern void accept_neighbor_request2(u_int32, u_int32); extern void accept_info_request(u_int32, u_int32, u_char *, int); extern void accept_info_reply(u_int32, u_int32, u_char *, int); extern void accept_neighbors(u_int32, u_int32, u_char *, int, u_int32); extern void accept_neighbors2(u_int32, u_int32, u_char *, int, u_int32); extern void accept_leave_message(u_int32, u_int32, u_int32); extern void accept_membership_query(u_int32, u_int32, u_int32, int); /* config.c */ extern void config_vifs_from_kernel(void); /* cfparse.y */ extern void config_vifs_from_file(void); /* inet.c */ extern int inet_valid_host(u_int32); extern int inet_valid_mask(u_int32); extern int inet_valid_subnet(u_int32, u_int32); extern char * inet_fmt(u_int32, char *); extern char * inet_fmts(u_int32, u_int32, char *); extern u_int32 inet_parse(char *, int); extern int inet_cksum(u_short *, u_int); /* prune.c */ extern unsigned kroutes; extern void determine_forwvifs(struct gtable *); extern void send_prune_or_graft(struct gtable *); extern void add_table_entry(u_int32, u_int32); extern void del_table_entry(struct rtentry *, u_int32, u_int); extern void update_table_entry(struct rtentry *, u_int32); extern int find_src_grp(u_int32, u_int32, u_int32); extern void init_ktable(void); extern void steal_sources(struct rtentry *); extern void reset_neighbor_state(vifi_t, u_int32); extern int grplst_mem(vifi_t, u_int32); extern void free_all_prunes(void); extern void age_table_entry(void); extern void dump_cache(FILE *); extern void update_lclgrp(vifi_t, u_int32); extern void delete_lclgrp(vifi_t, u_int32); extern void chkgrp_graft(vifi_t, u_int32); extern void accept_prune(u_int32, u_int32, char *, int); extern void accept_graft(u_int32, u_int32, char *, int); extern void accept_g_ack(u_int32, u_int32, char *, int); /* u_int is promoted u_char */ extern void accept_mtrace(u_int32, u_int32, u_int32, char *, u_int, int); /* kern.c */ extern void k_set_rcvbuf(int, int); extern void k_hdr_include(int); extern void k_set_ttl(int); extern void k_set_loop(int); extern void k_set_if(u_int32); extern void k_join(u_int32, u_int32); extern void k_leave(u_int32, u_int32); extern void k_init_dvmrp(void); extern void k_stop_dvmrp(void); extern void k_add_vif(vifi_t, struct uvif *); extern void k_del_vif(vifi_t); extern void k_add_rg(u_int32, struct gtable *); extern int k_del_rg(u_int32, struct gtable *); extern int k_get_version(void); #ifdef SNMP /* prune.c */ extern struct gtable * find_grp(u_int32); extern struct stable * find_grp_src(struct gtable *, u_int32); extern int next_grp_src_mask(struct gtable **, struct stable **, u_int32, u_int32, u_int32); extern void refresh_sg(struct sioc_sg_req *, struct gtable *, struct stable *); extern int next_child(struct gtable **, struct stable **, u_int32, u_int32, u_int32, vifi_t *); /* route.c */ extern struct rtentry * snmp_find_route(u_int32, u_int32); extern int next_route(struct rtentry **, u_int32, u_int32); extern int next_route_child(struct rtentry **, u_int32, u_int32, vifi_t *); #endif #ifdef RSRR /* prune.c */ extern struct gtable *kernel_table; extern struct gtable *gtp; /* rsrr.c */ extern void rsrr_init(void); extern void rsrr_clean(void); extern void rsrr_cache_send(struct gtable *, int); extern void rsrr_cache_clean(struct gtable *); #endif /* RSRR */