version 1.73, 2004/03/24 15:34:54 |
version 1.94, 2007/02/10 09:43:05 |
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__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#include "opt_inet.h" |
#include "opt_inet.h" |
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#include "opt_inet6.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_pfil_hooks.h" |
#include "opt_pfil_hooks.h" |
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Line 103 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 104 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet/icmp6.h> |
#include <netinet/icmp6.h> |
|
#include <netinet6/scope6_var.h> |
#include <netinet6/in6_ifattach.h> |
#include <netinet6/in6_ifattach.h> |
#include <netinet6/nd6.h> |
#include <netinet6/nd6.h> |
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Line 110 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 112 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
#endif |
#endif |
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#ifdef FAST_IPSEC |
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#include <netipsec/ipsec.h> |
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#include <netipsec/ipsec6.h> |
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#include <netipsec/key.h> |
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#endif /* FAST_IPSEC */ |
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#include <netinet6/ip6protosw.h> |
#include <netinet6/ip6protosw.h> |
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/* we need it for NLOOP. */ |
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#include "loop.h" |
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#include "faith.h" |
#include "faith.h" |
#include "gif.h" |
#include "gif.h" |
#include "bpfilter.h" |
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#if NGIF > 0 |
#if NGIF > 0 |
#include <netinet6/in6_gif.h> |
#include <netinet6/in6_gif.h> |
Line 131 static int ip6qmaxlen = IFQ_MAXLEN; |
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Line 136 static int ip6qmaxlen = IFQ_MAXLEN; |
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struct in6_ifaddr *in6_ifaddr; |
struct in6_ifaddr *in6_ifaddr; |
struct ifqueue ip6intrq; |
struct ifqueue ip6intrq; |
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extern struct ifnet loif[NLOOP]; |
extern struct callout in6_tmpaddrtimer_ch; |
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int ip6_forward_srcrt; /* XXX */ |
int ip6_forward_srcrt; /* XXX */ |
int ip6_sourcecheck; /* XXX */ |
int ip6_sourcecheck; /* XXX */ |
int ip6_sourcecheck_interval; /* XXX */ |
int ip6_sourcecheck_interval; /* XXX */ |
Line 143 struct pfil_head inet6_pfil_hook; |
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Line 149 struct pfil_head inet6_pfil_hook; |
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struct ip6stat ip6stat; |
struct ip6stat ip6stat; |
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static void ip6_init2 __P((void *)); |
static void ip6_init2 __P((void *)); |
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static struct m_tag *ip6_setdstifaddr __P((struct mbuf *, struct in6_ifaddr *)); |
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static int ip6_hopopts_input __P((u_int32_t *, u_int32_t *, struct mbuf **, int *)); |
static int ip6_hopopts_input __P((u_int32_t *, u_int32_t *, struct mbuf **, int *)); |
static struct mbuf *ip6_pullexthdr __P((struct mbuf *, size_t, int)); |
static struct mbuf *ip6_pullexthdr __P((struct mbuf *, size_t, int)); |
Line 154 static struct mbuf *ip6_pullexthdr __P(( |
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Line 161 static struct mbuf *ip6_pullexthdr __P(( |
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void |
void |
ip6_init() |
ip6_init() |
{ |
{ |
struct ip6protosw *pr; |
const struct ip6protosw *pr; |
int i; |
int i; |
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pr = (struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); |
pr = (const struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); |
if (pr == 0) |
if (pr == 0) |
panic("ip6_init"); |
panic("ip6_init"); |
for (i = 0; i < IPPROTO_MAX; i++) |
for (i = 0; i < IPPROTO_MAX; i++) |
ip6_protox[i] = pr - inet6sw; |
ip6_protox[i] = pr - inet6sw; |
for (pr = (struct ip6protosw *)inet6domain.dom_protosw; |
for (pr = (const struct ip6protosw *)inet6domain.dom_protosw; |
pr < (struct ip6protosw *)inet6domain.dom_protoswNPROTOSW; pr++) |
pr < (const struct ip6protosw *)inet6domain.dom_protoswNPROTOSW; pr++) |
if (pr->pr_domain->dom_family == PF_INET6 && |
if (pr->pr_domain->dom_family == PF_INET6 && |
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) |
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) |
ip6_protox[pr->pr_protocol] = pr - inet6sw; |
ip6_protox[pr->pr_protocol] = pr - inet6sw; |
ip6intrq.ifq_maxlen = ip6qmaxlen; |
ip6intrq.ifq_maxlen = ip6qmaxlen; |
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scope6_init(); |
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addrsel_policy_init(); |
nd6_init(); |
nd6_init(); |
frag6_init(); |
frag6_init(); |
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ip6_desync_factor = arc4random() % MAX_TEMP_DESYNC_FACTOR; |
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ip6_init2((void *)0); |
ip6_init2((void *)0); |
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} |
} |
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static void |
static void |
ip6_init2(dummy) |
ip6_init2(void *dummy) |
void *dummy; |
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{ |
{ |
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/* nd6_timer_init */ |
/* nd6_timer_init */ |
callout_init(&nd6_timer_ch); |
callout_init(&nd6_timer_ch); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
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/* timer for regeneranation of temporary addresses randomize ID */ |
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callout_init(&in6_tmpaddrtimer_ch); |
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callout_reset(&in6_tmpaddrtimer_ch, |
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(ip6_temp_preferred_lifetime - ip6_desync_factor - |
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ip6_temp_regen_advance) * hz, |
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in6_tmpaddrtimer, NULL); |
} |
} |
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/* |
/* |
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splx(s); |
splx(s); |
if (m == 0) |
if (m == 0) |
return; |
return; |
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/* drop the packet if IPv6 operation is disabled on the IF */ |
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if ((ND_IFINFO(m->m_pkthdr.rcvif)->flags & ND6_IFF_IFDISABLED)) { |
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m_freem(m); |
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return; |
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} |
ip6_input(m); |
ip6_input(m); |
} |
} |
} |
} |
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int nxt, ours = 0; |
int nxt, ours = 0; |
struct ifnet *deliverifp = NULL; |
struct ifnet *deliverifp = NULL; |
int srcrt = 0; |
int srcrt = 0; |
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#ifdef FAST_IPSEC |
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struct m_tag *mtag; |
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struct tdb_ident *tdbi; |
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struct secpolicy *sp; |
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int s, error; |
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#endif |
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#ifdef IPSEC |
#ifdef IPSEC |
/* |
/* |
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#endif |
#endif |
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/* |
/* |
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* make sure we don't have onion peering information into m_tag. |
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*/ |
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ip6_delaux(m); |
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/* |
* mbuf statistics |
* mbuf statistics |
*/ |
*/ |
if (m->m_flags & M_EXT) { |
if (m->m_flags & M_EXT) { |
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#define M2MMAX (sizeof(ip6stat.ip6s_m2m)/sizeof(ip6stat.ip6s_m2m[0])) |
#define M2MMAX (sizeof(ip6stat.ip6s_m2m)/sizeof(ip6stat.ip6s_m2m[0])) |
if (m->m_next) { |
if (m->m_next) { |
if (m->m_flags & M_LOOP) { |
if (m->m_flags & M_LOOP) { |
ip6stat.ip6s_m2m[loif[0].if_index]++; /* XXX */ |
ip6stat.ip6s_m2m[lo0ifp->if_index]++; /* XXX */ |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) |
ip6stat.ip6s_m2m[m->m_pkthdr.rcvif->if_index]++; |
ip6stat.ip6s_m2m[m->m_pkthdr.rcvif->if_index]++; |
else |
else |
|
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/* |
/* |
* If the IPv6 header is not aligned, slurp it up into a new |
* If the IPv6 header is not aligned, slurp it up into a new |
* mbuf with space for link headers, in the event we forward |
* mbuf with space for link headers, in the event we forward |
* it. OTherwise, if it is aligned, make sure the entire base |
* it. Otherwise, if it is aligned, make sure the entire base |
* IPv6 header is in the first mbuf of the chain. |
* IPv6 header is in the first mbuf of the chain. |
*/ |
*/ |
if (IP6_HDR_ALIGNED_P(mtod(m, caddr_t)) == 0) { |
if (IP6_HDR_ALIGNED_P(mtod(m, caddr_t)) == 0) { |
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*/ |
*/ |
#ifdef IPSEC |
#ifdef IPSEC |
if (!ipsec_getnhist(m)) |
if (!ipsec_getnhist(m)) |
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#elif defined(FAST_IPSEC) |
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if (!ipsec_indone(m)) |
#else |
#else |
if (1) |
if (1) |
#endif |
#endif |
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} |
} |
#endif |
#endif |
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if (IN6_IS_ADDR_LOOPBACK(&ip6->ip6_src) || |
/* |
IN6_IS_ADDR_LOOPBACK(&ip6->ip6_dst)) { |
* Disambiguate address scope zones (if there is ambiguity). |
if (m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) { |
* We first make sure that the original source or destination address |
ours = 1; |
* is not in our internal form for scoped addresses. Such addresses |
deliverifp = m->m_pkthdr.rcvif; |
* are not necessarily invalid spec-wise, but we cannot accept them due |
goto hbhcheck; |
* to the usage conflict. |
} else { |
* in6_setscope() then also checks and rejects the cases where src or |
ip6stat.ip6s_badscope++; |
* dst are the loopback address and the receiving interface |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
* is not loopback. |
goto bad; |
*/ |
} |
if (__predict_false( |
} |
m_makewritable(&m, 0, sizeof(struct ip6_hdr), M_DONTWAIT))) |
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goto bad; |
/* drop packets if interface ID portion is already filled */ |
ip6 = mtod(m, struct ip6_hdr *); |
if ((m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) == 0) { |
if (in6_clearscope(&ip6->ip6_src) || in6_clearscope(&ip6->ip6_dst)) { |
if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_src) && |
ip6stat.ip6s_badscope++; /* XXX */ |
ip6->ip6_src.s6_addr16[1]) { |
goto bad; |
ip6stat.ip6s_badscope++; |
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goto bad; |
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} |
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if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_dst) && |
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ip6->ip6_dst.s6_addr16[1]) { |
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ip6stat.ip6s_badscope++; |
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goto bad; |
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} |
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} |
} |
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if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) || |
if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_src)) |
in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) { |
ip6->ip6_src.s6_addr16[1] |
ip6stat.ip6s_badscope++; |
= htons(m->m_pkthdr.rcvif->if_index); |
goto bad; |
if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_dst)) |
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ip6->ip6_dst.s6_addr16[1] |
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= htons(m->m_pkthdr.rcvif->if_index); |
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/* |
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* We use rt->rt_ifp to determine if the address is ours or not. |
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* If rt_ifp is lo0, the address is ours. |
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* The problem here is, rt->rt_ifp for fe80::%lo0/64 is set to lo0, |
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* so any address under fe80::%lo0/64 will be mistakenly considered |
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* local. The special case is supplied to handle the case properly |
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* by actually looking at interface addresses |
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* (using in6ifa_ifpwithaddr). |
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*/ |
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if ((m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) != 0 && |
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IN6_IS_ADDR_LINKLOCAL(&ip6->ip6_dst)) { |
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if (!in6ifa_ifpwithaddr(m->m_pkthdr.rcvif, &ip6->ip6_dst)) { |
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icmp6_error(m, ICMP6_DST_UNREACH, |
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ICMP6_DST_UNREACH_ADDR, 0); |
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/* m is already freed */ |
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return; |
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} |
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ours = 1; |
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deliverifp = m->m_pkthdr.rcvif; |
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goto hbhcheck; |
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} |
} |
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/* |
/* |
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/* |
/* |
* Unicast check |
* Unicast check |
*/ |
*/ |
if (ip6_forward_rt.ro_rt != NULL && |
if (!IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
(ip6_forward_rt.ro_rt->rt_flags & RTF_UP) != 0 && |
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IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
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&((struct sockaddr_in6 *)(&ip6_forward_rt.ro_dst))->sin6_addr)) |
&((struct sockaddr_in6 *)(&ip6_forward_rt.ro_dst))->sin6_addr)) |
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rtcache_free((struct route *)&ip6_forward_rt); |
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else |
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rtcache_check((struct route *)&ip6_forward_rt); |
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if (ip6_forward_rt.ro_rt != NULL) { |
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/* XXX Revalidated route is accounted wrongly. */ |
ip6stat.ip6s_forward_cachehit++; |
ip6stat.ip6s_forward_cachehit++; |
else { |
} else { |
struct sockaddr_in6 *dst6; |
struct sockaddr_in6 *dst6; |
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if (ip6_forward_rt.ro_rt) { |
ip6stat.ip6s_forward_cachemiss++; |
/* route is down or destination is different */ |
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ip6stat.ip6s_forward_cachemiss++; |
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RTFREE(ip6_forward_rt.ro_rt); |
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ip6_forward_rt.ro_rt = 0; |
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} |
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bzero(&ip6_forward_rt.ro_dst, sizeof(struct sockaddr_in6)); |
bzero(&ip6_forward_rt.ro_dst, sizeof(struct sockaddr_in6)); |
dst6 = (struct sockaddr_in6 *)&ip6_forward_rt.ro_dst; |
dst6 = (struct sockaddr_in6 *)&ip6_forward_rt.ro_dst; |
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dst6->sin6_family = AF_INET6; |
dst6->sin6_family = AF_INET6; |
dst6->sin6_addr = ip6->ip6_dst; |
dst6->sin6_addr = ip6->ip6_dst; |
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rtalloc((struct route *)&ip6_forward_rt); |
rtcache_init((struct route *)&ip6_forward_rt); |
} |
} |
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#define rt6_key(r) ((struct sockaddr_in6 *)((r)->rt_nodes->rn_key)) |
#define rt6_key(r) ((struct sockaddr_in6 *)((r)->rt_nodes->rn_key)) |
|
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* 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 (ip6_forward_rt.ro_rt && |
if (ip6_forward_rt.ro_rt != NULL && |
(ip6_forward_rt.ro_rt->rt_flags & |
(ip6_forward_rt.ro_rt->rt_flags & |
(RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
(RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
!(ip6_forward_rt.ro_rt->rt_flags & RTF_CLONED) && |
!(ip6_forward_rt.ro_rt->rt_flags & RTF_CLONED) && |
|
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*/ |
*/ |
#if defined(NFAITH) && 0 < NFAITH |
#if defined(NFAITH) && 0 < NFAITH |
if (ip6_keepfaith) { |
if (ip6_keepfaith) { |
if (ip6_forward_rt.ro_rt && ip6_forward_rt.ro_rt->rt_ifp && |
if (ip6_forward_rt.ro_rt != NULL && |
|
ip6_forward_rt.ro_rt->rt_ifp != NULL && |
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_FAITH) { |
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; |
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* working right. |
* working right. |
*/ |
*/ |
struct ifaddr *ifa; |
struct ifaddr *ifa; |
for (ifa = m->m_pkthdr.rcvif->if_addrlist.tqh_first; |
TAILQ_FOREACH(ifa, &m->m_pkthdr.rcvif->if_addrlist, ifa_list) { |
ifa; |
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ifa = ifa->ifa_list.tqe_next) { |
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if (ifa->ifa_addr == NULL) |
if (ifa->ifa_addr == NULL) |
continue; /* just for safety */ |
continue; /* just for safety */ |
if (ifa->ifa_addr->sa_family != AF_INET6) |
if (ifa->ifa_addr->sa_family != AF_INET6) |
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hbhcheck: |
hbhcheck: |
/* |
/* |
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* record address information into m_tag, if we don't have one yet. |
|
* note that we are unable to record it, if the address is not listed |
|
* as our interface address (e.g. multicast addresses, addresses |
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* within FAITH prefixes and such). |
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*/ |
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if (deliverifp && !ip6_getdstifaddr(m)) { |
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struct in6_ifaddr *ia6; |
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ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
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if (ia6) { |
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if (!ip6_setdstifaddr(m, ia6)) { |
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/* |
|
* XXX maybe we should drop the packet here, |
|
* as we could not provide enough information |
|
* to the upper layers. |
|
*/ |
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} |
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} |
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} |
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/* |
* Process Hop-by-Hop options header if it's contained. |
* Process Hop-by-Hop options header if it's contained. |
* m may be modified in ip6_hopopts_input(). |
* m may be modified in ip6_hopopts_input(). |
* If a JumboPayload option is included, plen will also be modified. |
* If a JumboPayload option is included, plen will also be modified. |
|
|
if (ip6->ip6_plen == 0 && plen == 0) { |
if (ip6->ip6_plen == 0 && plen == 0) { |
/* |
/* |
* Note that if a valid jumbo payload option is |
* Note that if a valid jumbo payload option is |
* contained, ip6_hoptops_input() must set a valid |
* contained, ip6_hopopts_input() must set a valid |
* (non-zero) payload length to the variable plen. |
* (non-zero) payload length to the variable plen. |
*/ |
*/ |
ip6stat.ip6s_badoptions++; |
ip6stat.ip6s_badoptions++; |
|
|
goto bad; |
goto bad; |
} |
} |
#endif |
#endif |
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#ifdef FAST_IPSEC |
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/* |
|
* enforce IPsec policy checking if we are seeing last header. |
|
* note that we do not visit this with protocols with pcb layer |
|
* code - like udp/tcp/raw ip. |
|
*/ |
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if ((inet6sw[ip_protox[nxt]].pr_flags & PR_LASTHDR) != 0) { |
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/* |
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* Check if the packet has already had IPsec processing |
|
* done. If so, then just pass it along. This tag gets |
|
* set during AH, ESP, etc. input handling, before the |
|
* packet is returned to the ip input queue for delivery. |
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*/ |
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mtag = m_tag_find(m, PACKET_TAG_IPSEC_IN_DONE, NULL); |
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s = splsoftnet(); |
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if (mtag != NULL) { |
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tdbi = (struct tdb_ident *)(mtag + 1); |
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sp = ipsec_getpolicy(tdbi, IPSEC_DIR_INBOUND); |
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} else { |
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sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, |
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IP_FORWARDING, &error); |
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} |
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if (sp != NULL) { |
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/* |
|
* Check security policy against packet attributes. |
|
*/ |
|
error = ipsec_in_reject(sp, m); |
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KEY_FREESP(&sp); |
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} else { |
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/* XXX error stat??? */ |
|
error = EINVAL; |
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DPRINTF(("ip6_input: no SP, packet discarded\n"));/*XXX*/ |
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goto bad; |
|
} |
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splx(s); |
|
if (error) |
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goto bad; |
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} |
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#endif /* FAST_IPSEC */ |
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|
|
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nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
} |
} |
|
|
} |
} |
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/* |
/* |
|
* set/grab in6_ifaddr correspond to IPv6 destination address. |
|
*/ |
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static struct m_tag * |
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ip6_setdstifaddr(m, ia6) |
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struct mbuf *m; |
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struct in6_ifaddr *ia6; |
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{ |
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struct m_tag *mtag; |
|
|
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mtag = ip6_addaux(m); |
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if (mtag) |
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((struct ip6aux *)(mtag + 1))->ip6a_dstia6 = ia6; |
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return mtag; /* NULL if failed to set */ |
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} |
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struct in6_ifaddr * |
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ip6_getdstifaddr(m) |
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struct mbuf *m; |
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{ |
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struct m_tag *mtag; |
|
|
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mtag = ip6_findaux(m); |
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if (mtag) |
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return ((struct ip6aux *)(mtag + 1))->ip6a_dstia6; |
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else |
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return NULL; |
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} |
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|
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/* |
* 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. |
*/ |
*/ |
Line 997 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1085 ip6_savecontrol(in6p, mp, ip6, m) |
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struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
struct mbuf *m; |
struct mbuf *m; |
{ |
{ |
struct proc *p = curproc; /* XXX */ |
#ifdef RFC2292 |
int privileged; |
#define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
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#else |
privileged = 0; |
#define IS2292(x, y) (y) |
if (p && !suser(p->p_ucred, &p->p_acflag)) |
#endif |
privileged++; |
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|
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#ifdef SO_TIMESTAMP |
#ifdef SO_TIMESTAMP |
if (in6p->in6p_socket->so_options & SO_TIMESTAMP) { |
if (in6p->in6p_socket->so_options & SO_TIMESTAMP) { |
Line 1015 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1102 ip6_savecontrol(in6p, mp, ip6, m) |
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mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
#endif |
#endif |
if (in6p->in6p_flags & IN6P_RECVDSTADDR) { |
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*mp = sbcreatecontrol((caddr_t) &ip6->ip6_dst, |
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sizeof(struct in6_addr), IPV6_RECVDSTADDR, IPPROTO_IPV6); |
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if (*mp) |
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mp = &(*mp)->m_next; |
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} |
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#ifdef noyet |
/* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */ |
/* options were tossed above */ |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) |
if (in6p->in6p_flags & IN6P_RECVOPTS) |
return; |
/* broken */ |
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/* ip6_srcroute doesn't do what we want here, need to fix */ |
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if (in6p->in6p_flags & IPV6P_RECVRETOPTS) |
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/* broken */ |
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#endif |
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/* RFC 2292 sec. 5 */ |
/* RFC 2292 sec. 5 */ |
if ((in6p->in6p_flags & IN6P_PKTINFO) != 0) { |
if ((in6p->in6p_flags & IN6P_PKTINFO) != 0) { |
struct in6_pktinfo pi6; |
struct in6_pktinfo pi6; |
|
|
bcopy(&ip6->ip6_dst, &pi6.ipi6_addr, sizeof(struct in6_addr)); |
bcopy(&ip6->ip6_dst, &pi6.ipi6_addr, sizeof(struct in6_addr)); |
if (IN6_IS_SCOPE_LINKLOCAL(&pi6.ipi6_addr)) |
in6_clearscope(&pi6.ipi6_addr); /* XXX */ |
pi6.ipi6_addr.s6_addr16[1] = 0; |
pi6.ipi6_ifindex = m->m_pkthdr.rcvif ? |
pi6.ipi6_ifindex = (m && m->m_pkthdr.rcvif) |
m->m_pkthdr.rcvif->if_index : 0; |
? m->m_pkthdr.rcvif->if_index |
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: 0; |
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*mp = sbcreatecontrol((caddr_t) &pi6, |
*mp = sbcreatecontrol((caddr_t) &pi6, |
sizeof(struct in6_pktinfo), IPV6_PKTINFO, IPPROTO_IPV6); |
sizeof(struct in6_pktinfo), |
|
IS2292(IPV6_2292PKTINFO, IPV6_PKTINFO), IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
|
|
if (in6p->in6p_flags & IN6P_HOPLIMIT) { |
if (in6p->in6p_flags & IN6P_HOPLIMIT) { |
int hlim = ip6->ip6_hlim & 0xff; |
int hlim = ip6->ip6_hlim & 0xff; |
|
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*mp = sbcreatecontrol((caddr_t) &hlim, sizeof(int), |
*mp = sbcreatecontrol((caddr_t) &hlim, sizeof(int), |
IPV6_HOPLIMIT, IPPROTO_IPV6); |
IS2292(IPV6_2292HOPLIMIT, IPV6_HOPLIMIT), IPPROTO_IPV6); |
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if (*mp) |
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mp = &(*mp)->m_next; |
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} |
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|
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if ((in6p->in6p_flags & IN6P_TCLASS) != 0) { |
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u_int32_t flowinfo; |
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int tclass; |
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flowinfo = (u_int32_t)ntohl(ip6->ip6_flow & IPV6_FLOWINFO_MASK); |
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flowinfo >>= 20; |
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tclass = flowinfo & 0xff; |
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*mp = sbcreatecontrol((caddr_t)&tclass, sizeof(tclass), |
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IPV6_TCLASS, IPPROTO_IPV6); |
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if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
/* IN6P_NEXTHOP - for outgoing packet only */ |
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|
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/* |
/* |
* IPV6_HOPOPTS socket option. We require super-user privilege |
* IPV6_HOPOPTS socket option. Recall that we required super-user |
* for the option, but it might be too strict, since there might |
* privilege for the option (see ip6_ctloutput), but it might be too |
* be some hop-by-hop options which can be returned to normal user. |
* strict, since there might be some hop-by-hop options which can be |
* See RFC 2292 section 6. |
* returned to normal user. |
|
* See also RFC3542 section 8 (or RFC2292 section 6). |
*/ |
*/ |
if ((in6p->in6p_flags & IN6P_HOPOPTS) != 0 && privileged) { |
if ((in6p->in6p_flags & IN6P_HOPOPTS) != 0) { |
/* |
/* |
* Check if a hop-by-hop options header is contatined in the |
* Check if a hop-by-hop options header is contatined in the |
* received packet, and if so, store the options as ancillary |
* received packet, and if so, store the options as ancillary |
Line 1068 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1161 ip6_savecontrol(in6p, mp, ip6, m) |
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* just after the IPv6 header, which fact is assured through |
* just after the IPv6 header, which fact is assured through |
* the IPv6 input processing. |
* the IPv6 input processing. |
*/ |
*/ |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct ip6_hdr *xip6 = mtod(m, struct ip6_hdr *); |
if (ip6->ip6_nxt == IPPROTO_HOPOPTS) { |
if (xip6->ip6_nxt == IPPROTO_HOPOPTS) { |
struct ip6_hbh *hbh; |
struct ip6_hbh *hbh; |
int hbhlen; |
int hbhlen; |
struct mbuf *ext; |
struct mbuf *ext; |
|
|
ext = ip6_pullexthdr(m, sizeof(struct ip6_hdr), |
ext = ip6_pullexthdr(m, sizeof(struct ip6_hdr), |
ip6->ip6_nxt); |
xip6->ip6_nxt); |
if (ext == NULL) { |
if (ext == NULL) { |
ip6stat.ip6s_tooshort++; |
ip6stat.ip6s_tooshort++; |
return; |
return; |
Line 1092 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1185 ip6_savecontrol(in6p, mp, ip6, m) |
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* XXX: We copy whole the header even if a jumbo |
* XXX: We copy whole the header even if a jumbo |
* payload option is included, which option is to |
* payload option is included, which option is to |
* be removed before returning in the RFC 2292. |
* be removed before returning in the RFC 2292. |
* But it's too painful operation... |
* Note: this constraint is removed in RFC3542. |
*/ |
*/ |
*mp = sbcreatecontrol((caddr_t)hbh, hbhlen, |
*mp = sbcreatecontrol((caddr_t)hbh, hbhlen, |
IPV6_HOPOPTS, IPPROTO_IPV6); |
IS2292(IPV6_2292HOPOPTS, IPV6_HOPOPTS), |
|
IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
m_freem(ext); |
m_freem(ext); |
Line 1104 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1198 ip6_savecontrol(in6p, mp, ip6, m) |
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/* IPV6_DSTOPTS and IPV6_RTHDR socket options */ |
/* IPV6_DSTOPTS and IPV6_RTHDR socket options */ |
if (in6p->in6p_flags & (IN6P_DSTOPTS | IN6P_RTHDR)) { |
if (in6p->in6p_flags & (IN6P_DSTOPTS | IN6P_RTHDR)) { |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct ip6_hdr *xip6 = mtod(m, struct ip6_hdr *); |
int nxt = ip6->ip6_nxt, off = sizeof(struct ip6_hdr); |
int nxt = xip6->ip6_nxt, off = sizeof(struct ip6_hdr); |
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/* |
/* |
* Search for destination options headers or routing |
* Search for destination options headers or routing |
Line 1114 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1208 ip6_savecontrol(in6p, mp, ip6, m) |
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* Note that the order of the headers remains in |
* Note that the order of the headers remains in |
* the chain of ancillary data. |
* the chain of ancillary data. |
*/ |
*/ |
while (1) { /* is explicit loop prevention necessary? */ |
for (;;) { /* is explicit loop prevention necessary? */ |
struct ip6_ext *ip6e = NULL; |
struct ip6_ext *ip6e = NULL; |
int elen; |
int elen; |
struct mbuf *ext = NULL; |
struct mbuf *ext = NULL; |
Line 1155 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1249 ip6_savecontrol(in6p, mp, ip6, m) |
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if (!in6p->in6p_flags & IN6P_DSTOPTS) |
if (!in6p->in6p_flags & IN6P_DSTOPTS) |
break; |
break; |
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/* |
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* We also require super-user privilege for |
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* the option. |
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* See the comments on IN6_HOPOPTS. |
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*/ |
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if (!privileged) |
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break; |
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*mp = sbcreatecontrol((caddr_t)ip6e, elen, |
*mp = sbcreatecontrol((caddr_t)ip6e, elen, |
IPV6_DSTOPTS, IPPROTO_IPV6); |
IS2292(IPV6_2292DSTOPTS, IPV6_DSTOPTS), |
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IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
break; |
break; |
Line 1174 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1261 ip6_savecontrol(in6p, mp, ip6, m) |
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break; |
break; |
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*mp = sbcreatecontrol((caddr_t)ip6e, elen, |
*mp = sbcreatecontrol((caddr_t)ip6e, elen, |
IPV6_RTHDR, IPPROTO_IPV6); |
IS2292(IPV6_2292RTHDR, IPV6_RTHDR), |
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IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
break; |
break; |
Line 1206 ip6_savecontrol(in6p, mp, ip6, m) |
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Line 1294 ip6_savecontrol(in6p, mp, ip6, m) |
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; |
; |
} |
} |
} |
} |
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#undef IS2292 |
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void |
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ip6_notify_pmtu(struct in6pcb *in6p, struct sockaddr_in6 *dst, uint32_t *mtu) |
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{ |
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struct socket *so; |
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struct mbuf *m_mtu; |
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struct ip6_mtuinfo mtuctl; |
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so = in6p->in6p_socket; |
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if (mtu == NULL) |
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return; |
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#ifdef DIAGNOSTIC |
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if (so == NULL) /* I believe this is impossible */ |
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panic("ip6_notify_pmtu: socket is NULL"); |
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#endif |
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memset(&mtuctl, 0, sizeof(mtuctl)); /* zero-clear for safety */ |
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mtuctl.ip6m_mtu = *mtu; |
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mtuctl.ip6m_addr = *dst; |
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if (sa6_recoverscope(&mtuctl.ip6m_addr)) |
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return; |
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if ((m_mtu = sbcreatecontrol((caddr_t)&mtuctl, sizeof(mtuctl), |
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IPV6_PATHMTU, IPPROTO_IPV6)) == NULL) |
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return; |
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if (sbappendaddr(&so->so_rcv, (struct sockaddr *)dst, NULL, m_mtu) |
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== 0) { |
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m_freem(m_mtu); |
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/* XXX: should count statistics */ |
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} else |
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sorwakeup(so); |
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return; |
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} |
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/* |
/* |
* pull single extension header from mbuf chain. returns single mbuf that |
* pull single extension header from mbuf chain. returns single mbuf that |
Line 1333 ip6_nexthdr(m, off, proto, nxtp) |
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Line 1460 ip6_nexthdr(m, off, proto, nxtp) |
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|
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switch (proto) { |
switch (proto) { |
case IPPROTO_IPV6: |
case IPPROTO_IPV6: |
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/* do not chase beyond intermediate IPv6 headers */ |
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if (off != 0) |
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return -1; |
if (m->m_pkthdr.len < off + sizeof(ip6)) |
if (m->m_pkthdr.len < off + sizeof(ip6)) |
return -1; |
return -1; |
m_copydata(m, off, sizeof(ip6), (caddr_t)&ip6); |
m_copydata(m, off, sizeof(ip6), (caddr_t)&ip6); |
Line 1408 ip6_lasthdr(m, off, proto, nxtp) |
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Line 1538 ip6_lasthdr(m, off, proto, nxtp) |
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nxt = -1; |
nxt = -1; |
nxtp = &nxt; |
nxtp = &nxt; |
} |
} |
while (1) { |
for (;;) { |
newoff = ip6_nexthdr(m, off, proto, nxtp); |
newoff = ip6_nexthdr(m, off, proto, nxtp); |
if (newoff < 0) |
if (newoff < 0) |
return off; |
return off; |
Line 1422 ip6_lasthdr(m, off, proto, nxtp) |
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Line 1552 ip6_lasthdr(m, off, proto, nxtp) |
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} |
} |
} |
} |
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|
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struct m_tag * |
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ip6_addaux(m) |
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struct mbuf *m; |
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{ |
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struct m_tag *mtag; |
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|
|
mtag = m_tag_find(m, PACKET_TAG_INET6, NULL); |
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if (!mtag) { |
|
mtag = m_tag_get(PACKET_TAG_INET6, sizeof(struct ip6aux), |
|
M_NOWAIT); |
|
if (mtag) { |
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m_tag_prepend(m, mtag); |
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bzero(mtag + 1, sizeof(struct ip6aux)); |
|
} |
|
} |
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return mtag; |
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} |
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|
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struct m_tag * |
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ip6_findaux(m) |
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struct mbuf *m; |
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{ |
|
struct m_tag *mtag; |
|
|
|
mtag = m_tag_find(m, PACKET_TAG_INET6, NULL); |
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return mtag; |
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} |
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|
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void |
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ip6_delaux(m) |
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struct mbuf *m; |
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{ |
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struct m_tag *mtag; |
|
|
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mtag = m_tag_find(m, PACKET_TAG_INET6, NULL); |
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if (mtag) |
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m_tag_delete(m, mtag); |
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} |
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/* |
/* |
* System control for IP6 |
* System control for IP6 |
*/ |
*/ |
Line 1437 u_char inet6ctlerrmap[PRC_NCMDS] = { |
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Line 1606 u_char inet6ctlerrmap[PRC_NCMDS] = { |
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|
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SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup") |
SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup") |
{ |
{ |
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#ifdef RFC2292 |
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#define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
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#else |
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#define IS2292(x, y) (y) |
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#endif |
|
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
Line 1445 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
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Line 1619 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
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CTL_NET, CTL_EOL); |
CTL_NET, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_NODE, "inet6", NULL, |
CTLTYPE_NODE, "inet6", |
|
SYSCTL_DESCR("PF_INET6 related settings"), |
NULL, 0, NULL, 0, |
NULL, 0, NULL, 0, |
CTL_NET, PF_INET6, CTL_EOL); |
CTL_NET, PF_INET6, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_NODE, "ip6", NULL, |
CTLTYPE_NODE, "ip6", |
|
SYSCTL_DESCR("IPv6 related settings"), |
NULL, 0, NULL, 0, |
NULL, 0, NULL, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, CTL_EOL); |
CTL_NET, PF_INET6, IPPROTO_IPV6, CTL_EOL); |
|
|
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "forwarding", NULL, |
CTLTYPE_INT, "forwarding", |
|
SYSCTL_DESCR("Enable forwarding of INET6 datagrams"), |
NULL, 0, &ip6_forwarding, 0, |
NULL, 0, &ip6_forwarding, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_FORWARDING, CTL_EOL); |
IPV6CTL_FORWARDING, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "redirect", NULL, |
CTLTYPE_INT, "redirect", |
|
SYSCTL_DESCR("Enable sending of ICMPv6 redirect messages"), |
NULL, 0, &ip6_sendredirects, 0, |
NULL, 0, &ip6_sendredirects, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_SENDREDIRECTS, CTL_EOL); |
IPV6CTL_SENDREDIRECTS, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "hlim", NULL, |
CTLTYPE_INT, "hlim", |
|
SYSCTL_DESCR("Hop limit for an INET6 datagram"), |
NULL, 0, &ip6_defhlim, 0, |
NULL, 0, &ip6_defhlim, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_DEFHLIM, CTL_EOL); |
IPV6CTL_DEFHLIM, CTL_EOL); |
Line 1489 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
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Line 1668 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
IPV6CTL_FORWSRCRT, CTL_EOL); |
IPV6CTL_FORWSRCRT, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_STRUCT, "stats", NULL, |
|
NULL, 0, &?, sizeof(?), |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
IPV6CTL_STATS, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_STRUCT, "mrtstats", NULL, |
CTLTYPE_STRUCT, "mrtstats", NULL, |
NULL, 0, &?, sizeof(?), |
NULL, 0, &?, sizeof(?), |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
Line 1508 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
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Line 1681 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
#endif |
#endif |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "maxfragpackets", NULL, |
CTLTYPE_INT, "maxfragpackets", |
|
SYSCTL_DESCR("Maximum number of fragments to buffer " |
|
"for reassembly"), |
NULL, 0, &ip6_maxfragpackets, 0, |
NULL, 0, &ip6_maxfragpackets, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_MAXFRAGPACKETS, CTL_EOL); |
IPV6CTL_MAXFRAGPACKETS, CTL_EOL); |
Line 1528 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
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Line 1703 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
#endif |
#endif |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "accept_rtadv", NULL, |
CTLTYPE_INT, "accept_rtadv", |
|
SYSCTL_DESCR("Accept router advertisements"), |
NULL, 0, &ip6_accept_rtadv, 0, |
NULL, 0, &ip6_accept_rtadv, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_ACCEPT_RTADV, CTL_EOL); |
IPV6CTL_ACCEPT_RTADV, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "keepfaith", NULL, |
CTLTYPE_INT, "keepfaith", |
|
SYSCTL_DESCR("Activate faith interface"), |
NULL, 0, &ip6_keepfaith, 0, |
NULL, 0, &ip6_keepfaith, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_KEEPFAITH, CTL_EOL); |
IPV6CTL_KEEPFAITH, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "log_interval", NULL, |
CTLTYPE_INT, "log_interval", |
|
SYSCTL_DESCR("Minumum interval between logging " |
|
"unroutable packets"), |
NULL, 0, &ip6_log_interval, 0, |
NULL, 0, &ip6_log_interval, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_LOG_INTERVAL, CTL_EOL); |
IPV6CTL_LOG_INTERVAL, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "hdrnestlimit", NULL, |
CTLTYPE_INT, "hdrnestlimit", |
|
SYSCTL_DESCR("Maximum number of nested IPv6 headers"), |
NULL, 0, &ip6_hdrnestlimit, 0, |
NULL, 0, &ip6_hdrnestlimit, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_HDRNESTLIMIT, CTL_EOL); |
IPV6CTL_HDRNESTLIMIT, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "dad_count", NULL, |
CTLTYPE_INT, "dad_count", |
|
SYSCTL_DESCR("Number of Duplicate Address Detection " |
|
"probes to send"), |
NULL, 0, &ip6_dad_count, 0, |
NULL, 0, &ip6_dad_count, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_DAD_COUNT, CTL_EOL); |
IPV6CTL_DAD_COUNT, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "auto_flowlabel", NULL, |
CTLTYPE_INT, "auto_flowlabel", |
|
SYSCTL_DESCR("Assign random IPv6 flow labels"), |
NULL, 0, &ip6_auto_flowlabel, 0, |
NULL, 0, &ip6_auto_flowlabel, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_AUTO_FLOWLABEL, CTL_EOL); |
IPV6CTL_AUTO_FLOWLABEL, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "defmcasthlim", NULL, |
CTLTYPE_INT, "defmcasthlim", |
|
SYSCTL_DESCR("Default multicast hop limit"), |
NULL, 0, &ip6_defmcasthlim, 0, |
NULL, 0, &ip6_defmcasthlim, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_DEFMCASTHLIM, CTL_EOL); |
IPV6CTL_DEFMCASTHLIM, CTL_EOL); |
#if NGIF > 0 |
#if NGIF > 0 |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "gifhlim", NULL, |
CTLTYPE_INT, "gifhlim", |
|
SYSCTL_DESCR("Default hop limit for a gif tunnel datagram"), |
NULL, 0, &ip6_gif_hlim, 0, |
NULL, 0, &ip6_gif_hlim, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_GIF_HLIM, CTL_EOL); |
IPV6CTL_GIF_HLIM, CTL_EOL); |
#endif /* NGIF */ |
#endif /* NGIF */ |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_STRING, "kame_version", NULL, |
CTLTYPE_STRING, "kame_version", |
NULL, 0, __KAME_VERSION, 0, |
SYSCTL_DESCR("KAME Version"), |
|
NULL, 0, __UNCONST(__KAME_VERSION), 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_KAME_VERSION, CTL_EOL); |
IPV6CTL_KAME_VERSION, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "use_deprecated", NULL, |
CTLTYPE_INT, "use_deprecated", |
|
SYSCTL_DESCR("Allow use of deprecated addresses as " |
|
"source addresses"), |
NULL, 0, &ip6_use_deprecated, 0, |
NULL, 0, &ip6_use_deprecated, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_USE_DEPRECATED, CTL_EOL); |
IPV6CTL_USE_DEPRECATED, CTL_EOL); |
Line 1599 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
Line 1787 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, |
|
#ifndef INET6_BINDV6ONLY |
#ifndef INET6_BINDV6ONLY |
|CTLFLAG_READWRITE, |
|CTLFLAG_READWRITE, |
#endif |
#endif |
CTLTYPE_INT, "v6only", NULL, |
CTLTYPE_INT, "v6only", |
|
SYSCTL_DESCR("Disallow PF_INET6 sockets from connecting " |
|
"to PF_INET sockets"), |
NULL, 0, &ip6_v6only, 0, |
NULL, 0, &ip6_v6only, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_V6ONLY, CTL_EOL); |
IPV6CTL_V6ONLY, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "anonportmin", NULL, |
CTLTYPE_INT, "anonportmin", |
|
SYSCTL_DESCR("Lowest ephemeral port number to assign"), |
sysctl_net_inet_ip_ports, 0, &ip6_anonportmin, 0, |
sysctl_net_inet_ip_ports, 0, &ip6_anonportmin, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_ANONPORTMIN, CTL_EOL); |
IPV6CTL_ANONPORTMIN, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "anonportmax", NULL, |
CTLTYPE_INT, "anonportmax", |
|
SYSCTL_DESCR("Highest ephemeral port number to assign"), |
sysctl_net_inet_ip_ports, 0, &ip6_anonportmax, 0, |
sysctl_net_inet_ip_ports, 0, &ip6_anonportmax, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_ANONPORTMAX, CTL_EOL); |
IPV6CTL_ANONPORTMAX, CTL_EOL); |
#ifndef IPNOPRIVPORTS |
#ifndef IPNOPRIVPORTS |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "lowportmin", NULL, |
CTLTYPE_INT, "lowportmin", |
|
SYSCTL_DESCR("Lowest privileged ephemeral port number " |
|
"to assign"), |
sysctl_net_inet_ip_ports, 0, &ip6_lowportmin, 0, |
sysctl_net_inet_ip_ports, 0, &ip6_lowportmin, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_LOWPORTMIN, CTL_EOL); |
IPV6CTL_LOWPORTMIN, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "lowportmax", NULL, |
CTLTYPE_INT, "lowportmax", |
|
SYSCTL_DESCR("Highest privileged ephemeral port number " |
|
"to assign"), |
sysctl_net_inet_ip_ports, 0, &ip6_lowportmax, 0, |
sysctl_net_inet_ip_ports, 0, &ip6_lowportmax, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_LOWPORTMAX, CTL_EOL); |
IPV6CTL_LOWPORTMAX, CTL_EOL); |
#endif /* IPNOPRIVPORTS */ |
#endif /* IPNOPRIVPORTS */ |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "maxfrags", NULL, |
CTLTYPE_INT, "use_tempaddr", |
|
SYSCTL_DESCR("Use temporary address"), |
|
NULL, 0, &ip6_use_tempaddr, 0, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
CTL_CREATE, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "temppltime", |
|
SYSCTL_DESCR("preferred lifetime of a temporary address"), |
|
NULL, 0, &ip6_temp_preferred_lifetime, 0, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
CTL_CREATE, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "tempvltime", |
|
SYSCTL_DESCR("valid lifetime of a temporary address"), |
|
NULL, 0, &ip6_temp_valid_lifetime, 0, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
CTL_CREATE, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "maxfrags", |
|
SYSCTL_DESCR("Maximum fragments in reassembly queue"), |
NULL, 0, &ip6_maxfrags, 0, |
NULL, 0, &ip6_maxfrags, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
IPV6CTL_MAXFRAGS, CTL_EOL); |
IPV6CTL_MAXFRAGS, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_STRUCT, "stats", |
|
SYSCTL_DESCR("IPv6 statistics"), |
|
NULL, 0, &ip6stat, sizeof(ip6stat), |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
IPV6CTL_STATS, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "use_defaultzone", |
|
SYSCTL_DESCR("Whether to use the default scope zones"), |
|
NULL, 0, &ip6_use_defzone, 0, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
IPV6CTL_USE_DEFAULTZONE, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "mcast_pmtu", |
|
SYSCTL_DESCR("Enable pMTU discovery for multicast packet"), |
|
NULL, 0, &ip6_mcast_pmtu, 0, |
|
CTL_NET, PF_INET6, IPPROTO_IPV6, |
|
CTL_CREATE, CTL_EOL); |
} |
} |