diff options
Diffstat (limited to 'usr.sbin/rtadvd/rtadvd.h')
| -rw-r--r-- | usr.sbin/rtadvd/rtadvd.h | 227 |
1 files changed, 154 insertions, 73 deletions
diff --git a/usr.sbin/rtadvd/rtadvd.h b/usr.sbin/rtadvd/rtadvd.h index 828fec6..190bb0d 100644 --- a/usr.sbin/rtadvd/rtadvd.h +++ b/usr.sbin/rtadvd/rtadvd.h @@ -4,7 +4,7 @@ /* * Copyright (C) 1998 WIDE Project. * All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -16,7 +16,7 @@ * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -30,11 +30,41 @@ * SUCH DAMAGE. */ -#define ALLNODES "ff02::1" -#define ALLROUTERS_LINK "ff02::2" -#define ALLROUTERS_SITE "ff05::2" -#define ANY "::" -#define RTSOLLEN 8 +#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ + {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} + +#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ + {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} + +#define IN6ADDR_SITELOCAL_ALLROUTERS_INIT \ + {{{ 0xff, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} + +extern struct sockaddr_in6 sin6_linklocal_allnodes; +extern struct sockaddr_in6 sin6_linklocal_allrouters; +extern struct sockaddr_in6 sin6_sitelocal_allrouters; + +/* + * RFC 3542 API deprecates IPV6_PKTINFO in favor of + * IPV6_RECVPKTINFO + */ +#ifndef IPV6_RECVPKTINFO +#ifdef IPV6_PKTINFO +#define IPV6_RECVPKTINFO IPV6_PKTINFO +#endif +#endif + +/* + * RFC 3542 API deprecates IPV6_HOPLIMIT in favor of + * IPV6_RECVHOPLIMIT + */ +#ifndef IPV6_RECVHOPLIMIT +#ifdef IPV6_HOPLIMIT +#define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT +#endif +#endif /* protocol constants and default values */ #define DEF_MAXRTRADVINTERVAL 600 @@ -62,100 +92,151 @@ #define PREFIX_FROM_DYNAMIC 3 struct prefix { - struct prefix *next; /* forward link */ - struct prefix *prev; /* previous link */ - - struct rainfo *rainfo; /* back pointer to the interface */ - - struct rtadvd_timer *timer; /* expiration timer. used when a prefix - * derived from the kernel is deleted. - */ - - u_int32_t validlifetime; /* AdvValidLifetime */ - long vltimeexpire; /* expiration of vltime; decrement case only */ - u_int32_t preflifetime; /* AdvPreferredLifetime */ - long pltimeexpire; /* expiration of pltime; decrement case only */ - u_int onlinkflg; /* bool: AdvOnLinkFlag */ - u_int autoconfflg; /* bool: AdvAutonomousFlag */ - int prefixlen; - int origin; /* from kernel or config */ - struct in6_addr prefix; + TAILQ_ENTRY(prefix) pfx_next; + + struct rainfo *pfx_rainfo; /* back pointer to the interface */ + /* + * Expiration timer. This is used when a prefix derived from + * the kernel is deleted. + */ + struct rtadvd_timer *pfx_timer; + + u_int32_t pfx_validlifetime; /* AdvValidLifetime */ + long pfx_vltimeexpire; /* Expiration of vltime */ + u_int32_t pfx_preflifetime; /* AdvPreferredLifetime */ + long pfx_pltimeexpire; /* Expiration of pltime */ + u_int pfx_onlinkflg; /* bool: AdvOnLinkFlag */ + u_int pfx_autoconfflg; /* bool: AdvAutonomousFlag */ + int pfx_prefixlen; + int pfx_origin; /* From kernel or config */ + + struct in6_addr pfx_prefix; }; #ifdef ROUTEINFO struct rtinfo { - struct rtinfo *prev; /* previous link */ - struct rtinfo *next; /* forward link */ + TAILQ_ENTRY(rtinfo) rti_next; - u_int32_t ltime; /* route lifetime */ - u_int rtpref; /* route preference */ - int prefixlen; - struct in6_addr prefix; + u_int32_t rti_ltime; /* route lifetime */ + u_int rti_rtpref; /* route preference */ + int rti_prefixlen; + struct in6_addr rti_prefix; }; #endif +struct rdnss_addr { + TAILQ_ENTRY(rdnss_addr) ra_next; + + struct in6_addr ra_dns; /* DNS server entry */ +}; + +struct rdnss { + TAILQ_ENTRY(rdnss) rd_next; + + TAILQ_HEAD(, rdnss_addr) rd_list; /* list of DNS servers */ + int rd_cnt; /* number of DNS servers */ + u_int32_t rd_ltime; /* number of seconds valid */ +}; + +/* + * The maximum length of a domain name in a DNS search list is calculated + * by a domain name + length fields per 63 octets + a zero octet at + * the tail and adding 8 octet boundary padding. + */ +#define _DNAME_LABELENC_MAXLEN \ + (NI_MAXHOST + (NI_MAXHOST / 64 + 1) + 1) + +#define DNAME_LABELENC_MAXLEN \ + (_DNAME_LABELENC_MAXLEN + 8 - _DNAME_LABELENC_MAXLEN % 8) + +struct dnssl_addr { + TAILQ_ENTRY(dnssl_addr) da_next; + + int da_len; /* length of entry */ + char da_dom[DNAME_LABELENC_MAXLEN]; /* search domain name entry */ +}; + +struct dnssl { + TAILQ_ENTRY(dnssl) dn_next; + + TAILQ_HEAD(, dnssl_addr) dn_list; /* list of search domains */ + u_int32_t dn_ltime; /* number of seconds valid */ +}; + struct soliciter { - struct soliciter *next; - struct sockaddr_in6 addr; + TAILQ_ENTRY(soliciter) sol_next; + + struct sockaddr_in6 sol_addr; }; struct rainfo { /* pointer for list */ - struct rainfo *next; + TAILQ_ENTRY(rainfo) rai_next; /* timer related parameters */ - struct rtadvd_timer *timer; - int initcounter; /* counter for the first few advertisements */ - struct timeval lastsent; /* timestamp when the latest RA was sent */ - int waiting; /* number of RS waiting for RA */ + struct rtadvd_timer *rai_timer; + /* counter for the first few advertisements */ + int rai_initcounter; + /* timestamp when the latest RA was sent */ + struct timeval rai_lastsent; + /* number of RS waiting for RA */ + int rai_waiting; /* interface information */ - int ifindex; - int advlinkopt; /* bool: whether include link-layer addr opt */ - struct sockaddr_dl *sdl; - char ifname[16]; - int phymtu; /* mtu of the physical interface */ + int rai_ifindex; + int rai_advlinkopt; /* bool: whether include link-layer addr opt */ + int rai_advifprefix; /* bool: gather IF prefixes? */ + struct sockaddr_dl *rai_sdl; + char rai_ifname[IFNAMSIZ]; + u_int32_t rai_phymtu; /* mtu of the physical interface */ /* Router configuration variables */ - u_short lifetime; /* AdvDefaultLifetime */ - u_int maxinterval; /* MaxRtrAdvInterval */ - u_int mininterval; /* MinRtrAdvInterval */ - int managedflg; /* AdvManagedFlag */ - int otherflg; /* AdvOtherConfigFlag */ - - int rtpref; /* router preference */ - u_int32_t linkmtu; /* AdvLinkMTU */ - u_int32_t reachabletime; /* AdvReachableTime */ - u_int32_t retranstimer; /* AdvRetransTimer */ - u_int hoplimit; /* AdvCurHopLimit */ - struct prefix prefix; /* AdvPrefixList(link head) */ - int pfxs; /* number of prefixes */ - long clockskew; /* used for consisitency check of lifetimes */ + u_short rai_lifetime; /* AdvDefaultLifetime */ + u_int rai_maxinterval; /* MaxRtrAdvInterval */ + u_int rai_mininterval; /* MinRtrAdvInterval */ + int rai_managedflg; /* AdvManagedFlag */ + int rai_otherflg; /* AdvOtherConfigFlag */ + int rai_rtpref; /* router preference */ + u_int32_t rai_linkmtu; /* AdvLinkMTU */ + u_int32_t rai_reachabletime; /* AdvReachableTime */ + u_int32_t rai_retranstimer; /* AdvRetransTimer */ + u_int rai_hoplimit; /* AdvCurHopLimit */ + + TAILQ_HEAD(, prefix) rai_prefix;/* AdvPrefixList(link head) */ + int rai_pfxs; /* number of prefixes */ + + long rai_clockskew; /* used for consisitency check of lifetimes */ + + TAILQ_HEAD(, rdnss) rai_rdnss; /* DNS server list */ + TAILQ_HEAD(, dnssl) rai_dnssl; /* search domain list */ #ifdef ROUTEINFO - struct rtinfo route; /* route information option (link head) */ - int routes; /* number of route information options */ + TAILQ_HEAD(, rtinfo) rai_route; /* route information option (link head) */ + int rai_routes; /* number of route information options */ #endif - /* actual RA packet data and its length */ - size_t ra_datalen; - u_char *ra_data; + size_t rai_ra_datalen; + u_char *rai_ra_data; /* statistics */ - u_quad_t raoutput; /* number of RAs sent */ - u_quad_t rainput; /* number of RAs received */ - u_quad_t rainconsistent; /* number of RAs inconsistent with ours */ - u_quad_t rsinput; /* number of RSs received */ + u_quad_t rai_raoutput; /* # of RAs sent */ + u_quad_t rai_rainput; /* # of RAs received */ + u_quad_t rai_rainconsistent; /* # of RAs inconsistent with ours */ + u_quad_t rai_rsinput; /* # of RSs received */ /* info about soliciter */ - struct soliciter *soliciter; /* recent solication source */ + TAILQ_HEAD(, soliciter) rai_soliciter; /* recent solication source */ }; -struct rtadvd_timer *ra_timeout(void *); -void ra_timer_update(void *, struct timeval *); +/* Interface list including RA information */ +extern TAILQ_HEAD(railist_head_t, rainfo) railist; -int prefix_match(struct in6_addr *, int, struct in6_addr *, int); -struct rainfo *if_indextorainfo(int); -struct prefix *find_prefix(struct rainfo *, struct in6_addr *, int); +struct rtadvd_timer *ra_timeout(void *); +void ra_timer_update(void *, struct timeval *); +void ra_output(struct rainfo *); -extern struct in6_addr in6a_site_allrouters; +int prefix_match(struct in6_addr *, int, + struct in6_addr *, int); +struct rainfo *if_indextorainfo(int); +struct prefix *find_prefix(struct rainfo *, + struct in6_addr *, int); |
