version 1.98.2.3, 2007/07/01 21:50:52 |
version 1.103, 2007/05/02 20:40:27 |
Line 161 static struct mbuf *ip6_pullexthdr __P(( |
|
Line 161 static struct mbuf *ip6_pullexthdr __P(( |
|
void |
void |
ip6_init() |
ip6_init() |
{ |
{ |
extern callout_t in6_tmpaddrtimer_ch; |
|
const struct ip6protosw *pr; |
const struct ip6protosw *pr; |
int i; |
int i; |
|
|
|
|
ip6flow_init(ip6_hashsize); |
ip6flow_init(ip6_hashsize); |
#endif |
#endif |
|
|
callout_init(&in6_tmpaddrtimer_ch, 0); |
|
|
|
#ifdef PFIL_HOOKS |
#ifdef PFIL_HOOKS |
/* Register our Packet Filter hook. */ |
/* Register our Packet Filter hook. */ |
inet6_pfil_hook.ph_type = PFIL_TYPE_AF; |
inet6_pfil_hook.ph_type = PFIL_TYPE_AF; |
Line 205 ip6_init2(void *dummy) |
|
Line 202 ip6_init2(void *dummy) |
|
{ |
{ |
|
|
/* nd6_timer_init */ |
/* nd6_timer_init */ |
callout_init(&nd6_timer_ch, 0); |
callout_init(&nd6_timer_ch); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
|
|
/* timer for regeneranation of temporary addresses randomize ID */ |
/* timer for regeneranation of temporary addresses randomize ID */ |
callout_init(&in6_tmpaddrtimer_ch, 0); |
callout_init(&in6_tmpaddrtimer_ch); |
callout_reset(&in6_tmpaddrtimer_ch, |
callout_reset(&in6_tmpaddrtimer_ch, |
(ip6_temp_preferred_lifetime - ip6_desync_factor - |
(ip6_temp_preferred_lifetime - ip6_desync_factor - |
ip6_temp_regen_advance) * hz, |
ip6_temp_regen_advance) * hz, |
|
|
ip6_input(struct mbuf *m) |
ip6_input(struct mbuf *m) |
{ |
{ |
struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
int hit, off = sizeof(struct ip6_hdr), nest; |
int off = sizeof(struct ip6_hdr), nest; |
u_int32_t plen; |
u_int32_t plen; |
u_int32_t rtalert = ~0; |
u_int32_t rtalert = ~0; |
int nxt, ours = 0, rh_present = 0; |
int nxt, ours = 0; |
struct ifnet *deliverifp = NULL; |
struct ifnet *deliverifp = NULL; |
int srcrt = 0; |
int srcrt = 0; |
const struct rtentry *rt; |
const struct sockaddr_in6 *cdst; |
union { |
|
struct sockaddr dst; |
|
struct sockaddr_in6 dst6; |
|
} u; |
|
#ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
struct m_tag *mtag; |
struct m_tag *mtag; |
struct tdb_ident *tdbi; |
struct tdb_ident *tdbi; |
Line 482 ip6_input(struct mbuf *m) |
|
Line 475 ip6_input(struct mbuf *m) |
|
goto hbhcheck; |
goto hbhcheck; |
} |
} |
|
|
sockaddr_in6_init(&u.dst6, &ip6->ip6_dst, 0, 0, 0); |
cdst = satocsin6(rtcache_getdst(&ip6_forward_rt)); |
|
|
/* |
/* |
* Unicast check |
* Unicast check |
*/ |
*/ |
rt = rtcache_lookup2(&ip6_forward_rt, &u.dst, 1, &hit); |
if (cdst == NULL) |
if (hit) |
; |
ip6stat.ip6s_forward_cachehit++; |
else if (!IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, &cdst->sin6_addr)) |
|
rtcache_free(&ip6_forward_rt); |
else |
else |
|
rtcache_check(&ip6_forward_rt); |
|
if (ip6_forward_rt.ro_rt != NULL) { |
|
/* XXX Revalidated route is accounted wrongly. */ |
|
ip6stat.ip6s_forward_cachehit++; |
|
} else { |
|
union { |
|
struct sockaddr dst; |
|
struct sockaddr_in6 dst6; |
|
} u; |
|
|
ip6stat.ip6s_forward_cachemiss++; |
ip6stat.ip6s_forward_cachemiss++; |
|
|
|
sockaddr_in6_init(&u.dst6, &ip6->ip6_dst, 0, 0, 0); |
|
rtcache_setdst(&ip6_forward_rt, &u.dst); |
|
|
|
rtcache_init(&ip6_forward_rt); |
|
} |
|
|
#define rt6_key(r) ((struct sockaddr_in6 *)((r)->rt_nodes->rn_key)) |
#define rt6_key(r) ((struct sockaddr_in6 *)((r)->rt_nodes->rn_key)) |
|
|
/* |
/* |
Line 504 ip6_input(struct mbuf *m) |
|
Line 513 ip6_input(struct mbuf *m) |
|
* But we think it's even useful in some situations, e.g. when using |
* But we think it's even useful in some situations, e.g. when using |
* a special daemon which wants to intercept the packet. |
* a special daemon which wants to intercept the packet. |
*/ |
*/ |
if (rt != NULL && |
if (ip6_forward_rt.ro_rt != NULL && |
(rt->rt_flags & (RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
(ip6_forward_rt.ro_rt->rt_flags & |
!(rt->rt_flags & RTF_CLONED) && |
(RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
|
!(ip6_forward_rt.ro_rt->rt_flags & RTF_CLONED) && |
#if 0 |
#if 0 |
/* |
/* |
* The check below is redundant since the comparison of |
* The check below is redundant since the comparison of |
* the destination and the key of the rtentry has |
* the destination and the key of the rtentry has |
* already done through looking up the routing table. |
* already done through looking up the routing table. |
*/ |
*/ |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, &rt6_key(rt)->sin6_addr) && |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
|
&rt6_key(ip6_forward_rt.ro_rt)->sin6_addr) && |
#endif |
#endif |
rt->rt_ifp->if_type == IFT_LOOP) { |
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_LOOP) { |
struct in6_ifaddr *ia6 = (struct in6_ifaddr *)rt->rt_ifa; |
struct in6_ifaddr *ia6 = |
|
(struct in6_ifaddr *)ip6_forward_rt.ro_rt->rt_ifa; |
if (ia6->ia6_flags & IN6_IFF_ANYCAST) |
if (ia6->ia6_flags & IN6_IFF_ANYCAST) |
m->m_flags |= M_ANYCAST6; |
m->m_flags |= M_ANYCAST6; |
/* |
/* |
Line 544 ip6_input(struct mbuf *m) |
|
Line 556 ip6_input(struct mbuf *m) |
|
*/ |
*/ |
#if defined(NFAITH) && 0 < NFAITH |
#if defined(NFAITH) && 0 < NFAITH |
if (ip6_keepfaith) { |
if (ip6_keepfaith) { |
if (rt != NULL && rt->rt_ifp != NULL && |
if (ip6_forward_rt.ro_rt != NULL && |
rt->rt_ifp->if_type == IFT_FAITH) { |
ip6_forward_rt.ro_rt->rt_ifp != NULL && |
|
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_FAITH) { |
/* XXX do we need more sanity checks? */ |
/* XXX do we need more sanity checks? */ |
ours = 1; |
ours = 1; |
deliverifp = rt->rt_ifp; /* faith */ |
deliverifp = ip6_forward_rt.ro_rt->rt_ifp; /* faith */ |
goto hbhcheck; |
goto hbhcheck; |
} |
} |
} |
} |
Line 742 ip6_input(struct mbuf *m) |
|
Line 755 ip6_input(struct mbuf *m) |
|
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
nest = 0; |
nest = 0; |
|
|
rh_present = 0; |
|
while (nxt != IPPROTO_DONE) { |
while (nxt != IPPROTO_DONE) { |
if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { |
if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { |
ip6stat.ip6s_toomanyhdr++; |
ip6stat.ip6s_toomanyhdr++; |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
|
goto bad; |
goto bad; |
} |
} |
|
|
Line 760 ip6_input(struct mbuf *m) |
|
Line 771 ip6_input(struct mbuf *m) |
|
goto bad; |
goto bad; |
} |
} |
|
|
if (nxt == IPPROTO_ROUTING) { |
|
if (rh_present++) { |
|
in6_ifstat_inc(m->m_pkthdr.rcvif, |
|
ifs6_in_hdrerr); |
|
ip6stat.ip6s_badoptions++; |
|
goto bad; |
|
} |
|
} |
|
|
|
#ifdef IPSEC |
#ifdef IPSEC |
/* |
/* |
* enforce IPsec policy checking if we are seeing last header. |
* enforce IPsec policy checking if we are seeing last header. |
Line 833 ip6_input(struct mbuf *m) |
|
Line 835 ip6_input(struct mbuf *m) |
|
* set/grab in6_ifaddr correspond to IPv6 destination address. |
* set/grab in6_ifaddr correspond to IPv6 destination address. |
*/ |
*/ |
static struct m_tag * |
static struct m_tag * |
ip6_setdstifaddr(struct mbuf *m, struct in6_ifaddr *ia6) |
ip6_setdstifaddr(m, ia6) |
|
struct mbuf *m; |
|
struct in6_ifaddr *ia6; |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
Line 844 ip6_setdstifaddr(struct mbuf *m, struct |
|
Line 848 ip6_setdstifaddr(struct mbuf *m, struct |
|
} |
} |
|
|
struct in6_ifaddr * |
struct in6_ifaddr * |
ip6_getdstifaddr(struct mbuf *m) |
ip6_getdstifaddr(m) |
|
struct mbuf *m; |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
Line 858 ip6_getdstifaddr(struct mbuf *m) |
|
Line 863 ip6_getdstifaddr(struct mbuf *m) |
|
/* |
/* |
* Hop-by-Hop options header processing. If a valid jumbo payload option is |
* Hop-by-Hop options header processing. If a valid jumbo payload option is |
* included, the real payload length will be stored in plenp. |
* included, the real payload length will be stored in plenp. |
* |
|
* rtalertp - XXX: should be stored more smart way |
|
*/ |
*/ |
static int |
static int |
ip6_hopopts_input(u_int32_t *plenp, u_int32_t *rtalertp, |
ip6_hopopts_input(plenp, rtalertp, mp, offp) |
struct mbuf **mp, int *offp) |
u_int32_t *plenp; |
|
u_int32_t *rtalertp; /* XXX: should be stored more smart way */ |
|
struct mbuf **mp; |
|
int *offp; |
{ |
{ |
struct mbuf *m = *mp; |
struct mbuf *m = *mp; |
int off = *offp, hbhlen; |
int off = *offp, hbhlen; |
Line 907 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
Line 913 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
* opthead + hbhlen is located in continuous memory region. |
* opthead + hbhlen is located in continuous memory region. |
*/ |
*/ |
int |
int |
ip6_process_hopopts(struct mbuf *m, u_int8_t *opthead, int hbhlen, |
ip6_process_hopopts(m, opthead, hbhlen, rtalertp, plenp) |
u_int32_t *rtalertp, u_int32_t *plenp) |
struct mbuf *m; |
|
u_int8_t *opthead; |
|
int hbhlen; |
|
u_int32_t *rtalertp; |
|
u_int32_t *plenp; |
{ |
{ |
struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
int optlen = 0; |
int optlen = 0; |
Line 1040 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 1050 ip6_process_hopopts(struct mbuf *m, u_in |
|
* is not continuous in order to return an ICMPv6 error. |
* is not continuous in order to return an ICMPv6 error. |
*/ |
*/ |
int |
int |
ip6_unknown_opt(u_int8_t *optp, struct mbuf *m, int off) |
ip6_unknown_opt(optp, m, off) |
|
u_int8_t *optp; |
|
struct mbuf *m; |
|
int off; |
{ |
{ |
struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
|
|
Line 1082 ip6_unknown_opt(u_int8_t *optp, struct m |
|
Line 1095 ip6_unknown_opt(u_int8_t *optp, struct m |
|
* you are using IP6_EXTHDR_CHECK() not m_pulldown()) |
* you are using IP6_EXTHDR_CHECK() not m_pulldown()) |
*/ |
*/ |
void |
void |
ip6_savecontrol(struct in6pcb *in6p, struct mbuf **mp, |
ip6_savecontrol(in6p, mp, ip6, m) |
struct ip6_hdr *ip6, struct mbuf *m) |
struct in6pcb *in6p; |
|
struct mbuf **mp; |
|
struct ip6_hdr *ip6; |
|
struct mbuf *m; |
{ |
{ |
#ifdef RFC2292 |
#ifdef RFC2292 |
#define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
#define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
Line 1340 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
Line 1356 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
* contains the result, or NULL on error. |
* contains the result, or NULL on error. |
*/ |
*/ |
static struct mbuf * |
static struct mbuf * |
ip6_pullexthdr(struct mbuf *m, size_t off, int nxt) |
ip6_pullexthdr(m, off, nxt) |
|
struct mbuf *m; |
|
size_t off; |
|
int nxt; |
{ |
{ |
struct ip6_ext ip6e; |
struct ip6_ext ip6e; |
size_t elen; |
size_t elen; |
Line 1399 ip6_pullexthdr(struct mbuf *m, size_t of |
|
Line 1418 ip6_pullexthdr(struct mbuf *m, size_t of |
|
* we develop `neater' mechanism to process extension headers. |
* we develop `neater' mechanism to process extension headers. |
*/ |
*/ |
u_int8_t * |
u_int8_t * |
ip6_get_prevhdr(struct mbuf *m, int off) |
ip6_get_prevhdr(m, off) |
|
struct mbuf *m; |
|
int off; |
{ |
{ |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
|
|
Line 1438 ip6_get_prevhdr(struct mbuf *m, int off) |
|
Line 1459 ip6_get_prevhdr(struct mbuf *m, int off) |
|
* get next header offset. m will be retained. |
* get next header offset. m will be retained. |
*/ |
*/ |
int |
int |
ip6_nexthdr(struct mbuf *m, int off, int proto, int *nxtp) |
ip6_nexthdr(m, off, proto, nxtp) |
|
struct mbuf *m; |
|
int off; |
|
int proto; |
|
int *nxtp; |
{ |
{ |
struct ip6_hdr ip6; |
struct ip6_hdr ip6; |
struct ip6_ext ip6e; |
struct ip6_ext ip6e; |
Line 1517 ip6_nexthdr(struct mbuf *m, int off, int |
|
Line 1542 ip6_nexthdr(struct mbuf *m, int off, int |
|
* get offset for the last header in the chain. m will be kept untainted. |
* get offset for the last header in the chain. m will be kept untainted. |
*/ |
*/ |
int |
int |
ip6_lasthdr(struct mbuf *m, int off, int proto, int *nxtp) |
ip6_lasthdr(m, off, proto, nxtp) |
|
struct mbuf *m; |
|
int off; |
|
int proto; |
|
int *nxtp; |
{ |
{ |
int newoff; |
int newoff; |
int nxt; |
int nxt; |
Line 1541 ip6_lasthdr(struct mbuf *m, int off, int |
|
Line 1570 ip6_lasthdr(struct mbuf *m, int off, int |
|
} |
} |
|
|
struct m_tag * |
struct m_tag * |
ip6_addaux(struct mbuf *m) |
ip6_addaux(m) |
|
struct mbuf *m; |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
Line 1558 ip6_addaux(struct mbuf *m) |
|
Line 1588 ip6_addaux(struct mbuf *m) |
|
} |
} |
|
|
struct m_tag * |
struct m_tag * |
ip6_findaux(struct mbuf *m) |
ip6_findaux(m) |
|
struct mbuf *m; |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
Line 1567 ip6_findaux(struct mbuf *m) |
|
Line 1598 ip6_findaux(struct mbuf *m) |
|
} |
} |
|
|
void |
void |
ip6_delaux(struct mbuf *m) |
ip6_delaux(m) |
|
struct mbuf *m; |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
|
Line 1627 sysctl_net_inet6_ip6_hashsize(SYSCTLFN_A |
|
Line 1659 sysctl_net_inet6_ip6_hashsize(SYSCTLFN_A |
|
} |
} |
#endif /* GATEWAY */ |
#endif /* GATEWAY */ |
|
|
|
static int |
|
sysctl_net_inet6_ip6_rht0(SYSCTLFN_ARGS) |
|
{ |
|
int error, tmp; |
|
struct sysctlnode node; |
|
|
|
node = *rnode; |
|
tmp = ip6_rht0; |
|
node.sysctl_data = &tmp; |
|
error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
|
if (error || newp == NULL) |
|
return error; |
|
|
|
switch (tmp) { |
|
case -1: /* disable processing */ |
|
case 0: /* disable for host, enable for router */ |
|
case 1: /* enable for all */ |
|
break; |
|
default: |
|
return EINVAL; |
|
} |
|
ip6_rht0 = tmp; |
|
return 0; |
|
} |
|
|
/* |
/* |
* System control for IP6 |
* System control for IP6 |
*/ |
*/ |
Line 1926 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1983 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |
#endif |
#endif |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "rht0", |
|
SYSCTL_DESCR("Processing of routing header type 0 (IPv6)"), |
|
sysctl_net_inet6_ip6_rht0, 0, &ip6_rht0, 0, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
CTL_CREATE, CTL_EOL); |
} |
} |