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2897e6fd5f
mrouted-3.5n. This is being splatted onto the head rather than properly imported thanks to the ``delete trailing whitespace'' screw. This code is now actively working in an operational environment (the DARTNET) so I have some confidence that the basic functionality actually works. Obtained from: Bill Fenner, PARC, and ISI
243 lines
5.9 KiB
C
243 lines
5.9 KiB
C
/*
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* The mrouted program is covered by the license in the accompanying file
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* named "LICENSE". Use of the mrouted program represents acceptance of
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* the terms and conditions listed in that file.
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*
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* The mrouted program is COPYRIGHT 1989 by The Board of Trustees of
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* Leland Stanford Junior University.
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*
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*
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* $Id: defs.h,v 3.5 1995/05/09 01:00:39 fenner Exp $
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <errno.h>
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#include <syslog.h>
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#include <signal.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/igmp.h>
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#include <netinet/ip_mroute.h>
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#ifdef RSRR
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#include <sys/un.h>
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#endif /* RSRR */
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/*XXX*/
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typedef u_int u_int32;
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#include "dvmrp.h"
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#include "vif.h"
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#include "route.h"
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#include "prune.h"
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#include "pathnames.h"
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#ifdef RSRR
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#include "rsrr.h"
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#include "rsrr_var.h"
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#endif /* RSRR */
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/*
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* Miscellaneous constants and macros.
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*/
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#define FALSE 0
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#define TRUE 1
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#define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0)
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#define TIMER_INTERVAL ROUTE_MAX_REPORT_DELAY
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#define PROTOCOL_VERSION 3 /* increment when packet format/content changes */
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#define MROUTED_VERSION 5 /* increment on local changes or bug fixes, */
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/* reset to 0 whever PROTOCOL_VERSION increments */
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#define MROUTED_LEVEL ( (MROUTED_VERSION << 8) | PROTOCOL_VERSION | \
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((NF_PRUNE | NF_GENID | NF_MTRACE) << 16))
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/* for IGMP 'group' field of DVMRP messages */
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#define LEAF_FLAGS (( vifs_with_neighbors == 1 ) ? 0x010000 : 0)
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/* more for IGMP 'group' field of DVMRP messages */
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#define DEL_RTE_GROUP 0
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#define DEL_ALL_ROUTES 1
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/* for Deleting kernel table entries */
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/* obnoxious gcc gives an extraneous warning about this constant... */
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#if defined(__STDC__) || defined(__GNUC__)
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#define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
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#else
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#define JAN_1970 2208988800L /* 1970 - 1900 in seconds */
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#endif
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#ifdef RSRR
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#define BIT_ZERO(X) ((X) = 0)
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#define BIT_SET(X,n) ((X) |= 1 << (n))
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#define BIT_CLR(X,n) ((X) &= ~(1 << (n)))
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#define BIT_TST(X,n) ((X) & 1 << (n))
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#endif /* RSRR */
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/*
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* External declarations for global variables and functions.
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*/
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#define RECV_BUF_SIZE MAX_IP_PACKET_LEN
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extern char *recv_buf;
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extern char *send_buf;
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extern int igmp_socket;
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#ifdef RSRR
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extern int rsrr_socket;
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#endif /* RSRR */
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extern u_int32 allhosts_group;
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extern u_int32 allrtrs_group;
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extern u_int32 dvmrp_group;
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extern u_int32 dvmrp_genid;
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#define DEFAULT_DEBUG 2 /* default if "-d" given without value */
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extern int debug;
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extern u_char pruning;
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extern int routes_changed;
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extern int delay_change_reports;
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extern unsigned nroutes;
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extern struct uvif uvifs[MAXVIFS];
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extern vifi_t numvifs;
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extern int vifs_down;
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extern int udp_socket;
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extern int vifs_with_neighbors;
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extern char s1[];
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extern char s2[];
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extern char s3[];
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extern char s4[];
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#if !(defined(BSD) && (BSD >= 199103))
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extern int errno;
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extern int sys_nerr;
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extern char * sys_errlist[];
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#endif
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extern void log();
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extern void init_igmp();
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extern void accept_igmp();
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extern void send_igmp();
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extern void init_routes();
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extern void start_route_updates();
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extern void update_route();
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extern void age_routes();
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extern void expire_all_routes();
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extern void free_all_routes();
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extern void accept_probe();
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extern void accept_report();
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extern void report();
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extern void report_to_all_neighbors();
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extern int report_next_chunk();
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extern void add_vif_to_routes();
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extern void delete_vif_from_routes();
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extern void delete_neighbor_from_routes();
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extern void dump_routes();
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extern void init_vifs();
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extern void check_vif_state();
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extern vifi_t find_vif();
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extern void age_vifs();
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extern void dump_vifs();
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extern void stop_all_vifs();
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extern struct listaddr *neighbor_info();
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extern void accept_group_report();
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extern void query_groups();
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extern void probe_for_neighbors();
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extern int update_neighbor();
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extern void accept_neighbor_request();
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extern void accept_neighbor_request2();
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extern void accept_neighbors();
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extern void accept_neighbors2();
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extern void config_vifs_from_kernel();
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extern void config_vifs_from_file();
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extern int inet_valid_host();
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extern int inet_valid_subnet();
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extern char * inet_fmt();
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extern char * inet_fmts();
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extern u_int32 inet_parse();
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extern int inet_cksum();
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extern struct rtentry * determine_route();
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extern void init_ktable();
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extern void add_table_entry();
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extern void del_table_entry();
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extern void update_table_entry();
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extern void update_lclgrp();
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extern void delete_lclgrp();
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extern unsigned kroutes;
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extern void accept_prune();
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extern int no_entry_exists();
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extern int rtr_cnt();
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extern void free_all_prunes();
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extern void age_table_entry();
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extern void dump_cache();
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#ifdef SNMP
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extern struct rtentry * snmp_find_route();
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extern struct gtable * find_grp();
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extern struct stable * find_grp_src();
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#endif
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extern void chkgrp_graft();
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extern void accept_graft();
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extern void send_graft_ack();
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extern void accept_g_ack();
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extern void accept_mtrace();
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extern void accept_leave_message();
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extern void accept_membership_query();
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#ifdef RSRR
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extern struct gtable *kernel_table;
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extern struct gtable *gtp;
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extern int find_src_grp();
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extern int grplst_mem();
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extern int scoped_addr();
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#endif /* RSRR */
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extern void k_set_rcvbuf();
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extern void k_hdr_include();
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extern void k_set_ttl();
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extern void k_set_loop();
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extern void k_set_if();
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extern void k_join();
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extern void k_leave();
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extern void k_init_dvmrp();
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extern void k_stop_dvmrp();
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extern void k_add_vif();
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extern void k_del_vif();
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extern void k_add_rg();
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extern int k_del_rg();
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extern int k_get_version();
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extern char * malloc();
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extern char * fgets();
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extern FILE * fopen();
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#if !defined(htonl) && !defined(__osf__)
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extern u_long htonl();
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extern u_long ntohl();
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#endif
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#ifdef RSRR
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extern void rsrr_init();
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extern void rsrr_read();
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#endif /* RSRR */
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