/*
* 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.
*/
#ifndef __MROUTED_DEFS_H__
#define __MROUTED_DEFS_H__
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <errno.h>
#include <syslog.h>
#include <signal.h>
#include <string.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#if ((defined(SYSV)) || (defined(__bsdi__)) || ((defined SunOS) && (SunOS < 50)))
#include <sys/sockio.h>
#endif /* SYSV || bsdi || SunOS 4.x */
#include <time.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/igmp.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include <osreldate.h>
#endif /* __FreeBSD__ */
#if (defined(__bsdi__)) || (defined(__FreeBSD__) && (__FreeBSD_version >= 220000)) || defined(__FreeBSD_kernel__)
#define rtentry kernel_rtentry
#include <net/route.h>
#undef rtentry
#endif /* bsdi or __FreeBSD_version >= 220000 */
#ifdef __linux__
#define _LINUX_IN_H /* For Linux <= 2.6.25 */
#include <linux/types.h>
#include <linux/mroute.h>
#else
#include <netinet/ip_mroute.h>
#endif
#if defined(HAVE_STRLCPY)
#include <string.h>
#endif
#if defined(HAVE_STRTONUM)
#include <stdlib.h>
#endif
#if defined(HAVE_PIDFILE)
#if defined(OpenBSD) || defined(NetBSD)
#include <util.h>
#else
#include <libutil.h>
#endif
#endif
#ifdef RSRR
#include <sys/un.h>
#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 ARRAY_LEN(a) (sizeof((a)) / sizeof((a)[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 */
#define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
#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 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;
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;
#define MAX_INET_BUF_LEN 19
extern char s1[MAX_INET_BUF_LEN];
extern char s2[MAX_INET_BUF_LEN];
extern char s3[MAX_INET_BUF_LEN];
extern char s4[MAX_INET_BUF_LEN];
#define MAX_VERSION_LEN 100
extern char versionstring[MAX_VERSION_LEN];
#if !(defined(BSD) && (BSD >= 199103)) && !defined(__linux__)
extern int errno;
#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 logit(int, int, const char *, ...);
extern int register_input_handler(int, ihfunc_t);
/* igmp.c */
extern void init_igmp(void);
extern void accept_igmp(size_t);
extern size_t 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 *, size_t, u_int32);
extern void accept_report(u_int32, u_int32, char *, size_t, 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, u_int);
extern void delete_neighbor_from_routes(u_int32, vifi_t, u_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, size_t);
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 *, size_t, 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 *, size_t);
extern void accept_info_reply(u_int32, u_int32, u_char *, size_t);
extern void accept_neighbors(u_int32, u_int32, u_char *, size_t, u_int32);
extern void accept_neighbors2(u_int32, u_int32, u_char *, size_t, 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 *, size_t);
extern char * inet_fmts(u_int32, u_int32, char *, size_t);
extern u_int32 inet_parse(char *, int);
extern int inet_cksum(u_int16_t *, 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 *, size_t);
extern void accept_graft(u_int32, u_int32, char *, size_t);
extern void accept_g_ack(u_int32, u_int32, char *, size_t);
/* u_int is promoted u_char */
extern void accept_mtrace(u_int32, u_int32, u_int32, char *, u_int8_t, size_t);
/* 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, struct uvif *);
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 */
#ifdef __GNUC__
# define UNUSED __attribute__((unused))
#else
# define UNUSED /*empty*/
#endif
#ifndef HAVE_STRLCPY
size_t strlcpy(char *dst, const char *src, size_t siz);
#endif
#ifndef HAVE_STRTONUM
long long strtonum(const char *numstr, long long minval, long long maxval, const char **errstrp);
#endif
#ifndef HAVE_PIDFILE
int pidfile(const char *basename);
#endif
#endif /* __MROUTED_DEFS_H__ */
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