version 1.136.6.1, 2013/07/08 07:40:34 |
version 1.195, 2018/03/21 14:23:54 |
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#include <sys/cdefs.h> |
#include <sys/cdefs.h> |
__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#ifdef _KERNEL_OPT |
#include "opt_gateway.h" |
#include "opt_gateway.h" |
#include "opt_inet.h" |
#include "opt_inet.h" |
#include "opt_inet6.h" |
#include "opt_inet6.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_pfil_hooks.h" |
#include "opt_net_mpsafe.h" |
#include "opt_compat_netbsd.h" |
#endif |
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#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/systm.h> |
#include <sys/systm.h> |
#include <sys/malloc.h> |
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#include <sys/mbuf.h> |
#include <sys/mbuf.h> |
#include <sys/domain.h> |
#include <sys/domain.h> |
#include <sys/protosw.h> |
#include <sys/protosw.h> |
Line 86 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 86 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/proc.h> |
#include <sys/proc.h> |
#include <sys/sysctl.h> |
#include <sys/sysctl.h> |
#include <sys/cprng.h> |
#include <sys/cprng.h> |
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#include <sys/percpu.h> |
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#include <net/if.h> |
#include <net/if.h> |
#include <net/if_types.h> |
#include <net/if_types.h> |
#include <net/if_dl.h> |
#include <net/if_dl.h> |
#include <net/route.h> |
#include <net/route.h> |
#include <net/netisr.h> |
#include <net/pktqueue.h> |
#ifdef PFIL_HOOKS |
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#include <net/pfil.h> |
#include <net/pfil.h> |
#endif |
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#include <netinet/in.h> |
#include <netinet/in.h> |
#include <netinet/in_systm.h> |
#include <netinet/in_systm.h> |
#ifdef INET |
#ifdef INET |
#include <netinet/ip.h> |
#include <netinet/ip.h> |
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#include <netinet/ip_var.h> |
#include <netinet/ip_icmp.h> |
#include <netinet/ip_icmp.h> |
#endif /* INET */ |
#endif /* INET */ |
#include <netinet/ip6.h> |
#include <netinet/ip6.h> |
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#include <netinet/portalgo.h> |
#include <netinet6/in6_var.h> |
#include <netinet6/in6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_private.h> |
#include <netinet6/ip6_private.h> |
Line 112 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 113 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet6/in6_ifattach.h> |
#include <netinet6/in6_ifattach.h> |
#include <netinet6/nd6.h> |
#include <netinet6/nd6.h> |
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#ifdef KAME_IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
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#include <netinet6/ipsec_private.h> |
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#endif |
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#ifdef FAST_IPSEC |
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#include <netipsec/ipsec.h> |
#include <netipsec/ipsec.h> |
#include <netipsec/ipsec6.h> |
#include <netipsec/ipsec6.h> |
#include <netipsec/key.h> |
#include <netipsec/key.h> |
#endif /* FAST_IPSEC */ |
#endif /* IPSEC */ |
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#ifdef COMPAT_50 |
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#include <compat/sys/time.h> |
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#include <compat/sys/socket.h> |
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#endif |
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#include <netinet6/ip6protosw.h> |
#include <netinet6/ip6protosw.h> |
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#include "faith.h" |
#include "faith.h" |
#include "gif.h" |
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#if NGIF > 0 |
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#include <netinet6/in6_gif.h> |
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#endif |
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#include <net/net_osdep.h> |
#include <net/net_osdep.h> |
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extern struct domain inet6domain; |
extern struct domain inet6domain; |
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u_char ip6_protox[IPPROTO_MAX]; |
u_char ip6_protox[IPPROTO_MAX]; |
static int ip6qmaxlen = IFQ_MAXLEN; |
pktqueue_t *ip6_pktq __read_mostly; |
struct in6_ifaddr *in6_ifaddr; |
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struct ifqueue ip6intrq; |
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extern callout_t in6_tmpaddrtimer_ch; |
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int ip6_forward_srcrt; /* XXX */ |
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int ip6_sourcecheck; /* XXX */ |
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int ip6_sourcecheck_interval; /* XXX */ |
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#ifdef PFIL_HOOKS |
pfil_head_t *inet6_pfil_hook; |
struct pfil_head inet6_pfil_hook; |
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#endif |
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percpu_t *ip6stat_percpu; |
percpu_t *ip6stat_percpu; |
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static void ip6_init2(void *); |
percpu_t *ip6_forward_rt_percpu __cacheline_aligned; |
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static void ip6_init2(void); |
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static void ip6intr(void *); |
static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *); |
static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *); |
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static int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *, |
static int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *, |
u_int32_t *); |
u_int32_t *); |
static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int); |
static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int); |
static void sysctl_net_inet6_ip6_setup(struct sysctllog **); |
static void sysctl_net_inet6_ip6_setup(struct sysctllog **); |
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#ifdef NET_MPSAFE |
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#define SOFTNET_LOCK() mutex_enter(softnet_lock) |
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#define SOFTNET_UNLOCK() mutex_exit(softnet_lock) |
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#else |
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#define SOFTNET_LOCK() KASSERT(mutex_owned(softnet_lock)) |
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#define SOFTNET_UNLOCK() KASSERT(mutex_owned(softnet_lock)) |
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#endif |
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/* |
/* |
* IP6 initialization: fill in IP6 protocol switch table. |
* IP6 initialization: fill in IP6 protocol switch table. |
* All protocols not implemented in kernel go to raw IP6 protocol handler. |
* All protocols not implemented in kernel go to raw IP6 protocol handler. |
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const struct ip6protosw *pr; |
const struct ip6protosw *pr; |
int i; |
int i; |
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in6_init(); |
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sysctl_net_inet6_ip6_setup(NULL); |
sysctl_net_inet6_ip6_setup(NULL); |
pr = (const 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) |
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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; |
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ip6_pktq = pktq_create(IFQ_MAXLEN, ip6intr, NULL); |
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KASSERT(ip6_pktq != NULL); |
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scope6_init(); |
scope6_init(); |
addrsel_policy_init(); |
addrsel_policy_init(); |
nd6_init(); |
nd6_init(); |
frag6_init(); |
frag6_init(); |
ip6_desync_factor = cprng_fast32() % MAX_TEMP_DESYNC_FACTOR; |
ip6_desync_factor = cprng_fast32() % MAX_TEMP_DESYNC_FACTOR; |
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ip6_init2(NULL); |
ip6_init2(); |
#ifdef GATEWAY |
#ifdef GATEWAY |
ip6flow_init(ip6_hashsize); |
ip6flow_init(ip6_hashsize); |
#endif |
#endif |
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#ifdef PFIL_HOOKS |
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/* Register our Packet Filter hook. */ |
/* Register our Packet Filter hook. */ |
inet6_pfil_hook.ph_type = PFIL_TYPE_AF; |
inet6_pfil_hook = pfil_head_create(PFIL_TYPE_AF, (void *)AF_INET6); |
inet6_pfil_hook.ph_af = AF_INET6; |
KASSERT(inet6_pfil_hook != NULL); |
i = pfil_head_register(&inet6_pfil_hook); |
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if (i != 0) |
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printf("ip6_init: WARNING: unable to register pfil hook, " |
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"error %d\n", i); |
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#endif /* PFIL_HOOKS */ |
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ip6stat_percpu = percpu_alloc(sizeof(uint64_t) * IP6_NSTATS); |
ip6stat_percpu = percpu_alloc(sizeof(uint64_t) * IP6_NSTATS); |
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ip6_forward_rt_percpu = percpu_alloc(sizeof(struct route)); |
} |
} |
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static void |
static void |
ip6_init2(void *dummy) |
ip6_init2(void) |
{ |
{ |
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/* nd6_timer_init */ |
/* timer for regeneration of temporary addresses randomize ID */ |
callout_init(&nd6_timer_ch, CALLOUT_MPSAFE); |
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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, CALLOUT_MPSAFE); |
callout_init(&in6_tmpaddrtimer_ch, CALLOUT_MPSAFE); |
callout_reset(&in6_tmpaddrtimer_ch, |
callout_reset(&in6_tmpaddrtimer_ch, |
(ip6_temp_preferred_lifetime - ip6_desync_factor - |
(ip6_temp_preferred_lifetime - ip6_desync_factor - |
Line 231 ip6_init2(void *dummy) |
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Line 213 ip6_init2(void *dummy) |
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/* |
/* |
* IP6 input interrupt handling. Just pass the packet to ip6_input. |
* IP6 input interrupt handling. Just pass the packet to ip6_input. |
*/ |
*/ |
void |
static void |
ip6intr(void) |
ip6intr(void *arg __unused) |
{ |
{ |
int s; |
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struct mbuf *m; |
struct mbuf *m; |
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mutex_enter(softnet_lock); |
SOFTNET_KERNEL_LOCK_UNLESS_NET_MPSAFE(); |
KERNEL_LOCK(1, NULL); |
while ((m = pktq_dequeue(ip6_pktq)) != NULL) { |
for (;;) { |
struct psref psref; |
s = splnet(); |
struct ifnet *rcvif = m_get_rcvif_psref(m, &psref); |
IF_DEQUEUE(&ip6intrq, m); |
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splx(s); |
if (rcvif == NULL) { |
if (m == 0) |
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break; |
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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); |
m_freem(m); |
break; |
continue; |
} |
} |
ip6_input(m); |
/* |
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* Drop the packet if IPv6 is disabled on the interface. |
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*/ |
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if ((ND_IFINFO(rcvif)->flags & ND6_IFF_IFDISABLED)) { |
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m_put_rcvif_psref(rcvif, &psref); |
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m_freem(m); |
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continue; |
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} |
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ip6_input(m, rcvif); |
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m_put_rcvif_psref(rcvif, &psref); |
} |
} |
KERNEL_UNLOCK_ONE(NULL); |
SOFTNET_KERNEL_UNLOCK_UNLESS_NET_MPSAFE(); |
mutex_exit(softnet_lock); |
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} |
} |
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extern struct route ip6_forward_rt; |
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void |
void |
ip6_input(struct mbuf *m) |
ip6_input(struct mbuf *m, struct ifnet *rcvif) |
{ |
{ |
struct ip6_hdr *ip6; |
struct ip6_hdr *ip6; |
int hit, off = sizeof(struct ip6_hdr), nest; |
int hit, 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, rh_present = 0, frg_present; |
struct ifnet *deliverifp = NULL; |
struct ifnet *deliverifp = NULL; |
int srcrt = 0; |
int srcrt = 0; |
const struct rtentry *rt; |
struct rtentry *rt = NULL; |
union { |
union { |
struct sockaddr dst; |
struct sockaddr dst; |
struct sockaddr_in6 dst6; |
struct sockaddr_in6 dst6; |
} u; |
} u; |
#ifdef FAST_IPSEC |
struct route *ro; |
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 KAME_IPSEC |
KASSERT(rcvif != NULL); |
/* |
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* should the inner packet be considered authentic? |
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* see comment in ah4_input(). |
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*/ |
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m->m_flags &= ~M_AUTHIPHDR; |
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m->m_flags &= ~M_AUTHIPDGM; |
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#endif |
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/* |
/* |
* make sure we don't have onion peering information into m_tag. |
* make sure we don't have onion peering information into m_tag. |
Line 305 ip6_input(struct mbuf *m) |
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Line 276 ip6_input(struct mbuf *m) |
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} else { |
} else { |
#define M2MMAX 32 |
#define M2MMAX 32 |
if (m->m_next) { |
if (m->m_next) { |
if (m->m_flags & M_LOOP) { |
if (m->m_flags & M_LOOP) |
/*XXX*/ IP6_STATINC(IP6_STAT_M2M + lo0ifp->if_index); |
/*XXX*/ IP6_STATINC(IP6_STAT_M2M + lo0ifp->if_index); |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) { |
else if (rcvif->if_index < M2MMAX) |
IP6_STATINC(IP6_STAT_M2M + |
IP6_STATINC(IP6_STAT_M2M + rcvif->if_index); |
m->m_pkthdr.rcvif->if_index); |
else |
} else |
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IP6_STATINC(IP6_STAT_M2M); |
IP6_STATINC(IP6_STAT_M2M); |
} else |
} else |
IP6_STATINC(IP6_STAT_M1); |
IP6_STATINC(IP6_STAT_M1); |
#undef M2MMAX |
#undef M2MMAX |
} |
} |
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in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_receive); |
in6_ifstat_inc(rcvif, ifs6_in_receive); |
IP6_STATINC(IP6_STAT_TOTAL); |
IP6_STATINC(IP6_STAT_TOTAL); |
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/* |
/* |
Line 327 ip6_input(struct mbuf *m) |
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Line 297 ip6_input(struct mbuf *m) |
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* 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, void *)) == 0) { |
if (IP6_HDR_ALIGNED_P(mtod(m, void *)) == 0) { |
struct ifnet *inifp = m->m_pkthdr.rcvif; |
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if ((m = m_copyup(m, sizeof(struct ip6_hdr), |
if ((m = m_copyup(m, sizeof(struct ip6_hdr), |
(max_linkhdr + 3) & ~3)) == NULL) { |
(max_linkhdr + 3) & ~3)) == NULL) { |
/* XXXJRT new stat, please */ |
/* XXXJRT new stat, please */ |
IP6_STATINC(IP6_STAT_TOOSMALL); |
IP6_STATINC(IP6_STAT_TOOSMALL); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
return; |
return; |
} |
} |
} else if (__predict_false(m->m_len < sizeof(struct ip6_hdr))) { |
} else if (__predict_false(m->m_len < sizeof(struct ip6_hdr))) { |
struct ifnet *inifp = m->m_pkthdr.rcvif; |
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if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == NULL) { |
if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == NULL) { |
IP6_STATINC(IP6_STAT_TOOSMALL); |
IP6_STATINC(IP6_STAT_TOOSMALL); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
return; |
return; |
} |
} |
} |
} |
Line 348 ip6_input(struct mbuf *m) |
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Line 316 ip6_input(struct mbuf *m) |
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if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { |
IP6_STATINC(IP6_STAT_BADVERS); |
IP6_STATINC(IP6_STAT_BADVERS); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
goto bad; |
goto bad; |
} |
} |
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#if defined(KAME_IPSEC) |
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/* IPv6 fast forwarding is not compatible with IPsec. */ |
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m->m_flags &= ~M_CANFASTFWD; |
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#else |
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/* |
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* Assume that we can create a fast-forward IP flow entry |
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* based on this packet. |
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*/ |
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m->m_flags |= M_CANFASTFWD; |
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#endif |
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#ifdef PFIL_HOOKS |
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/* |
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* Run through list of hooks for input packets. If there are any |
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* filters which require that additional packets in the flow are |
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* not fast-forwarded, they must clear the M_CANFASTFWD flag. |
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* Note that filters must _never_ set this flag, as another filter |
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* in the list may have previously cleared it. |
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*/ |
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/* |
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* let ipfilter look at packet on the wire, |
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* not the decapsulated packet. |
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*/ |
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#ifdef KAME_IPSEC |
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if (!ipsec_getnhist(m)) |
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#elif defined(FAST_IPSEC) |
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if (!ipsec_indone(m)) |
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#else |
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if (1) |
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#endif |
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{ |
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struct in6_addr odst; |
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odst = ip6->ip6_dst; |
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if (pfil_run_hooks(&inet6_pfil_hook, &m, m->m_pkthdr.rcvif, |
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PFIL_IN) != 0) |
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return; |
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if (m == NULL) |
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return; |
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ip6 = mtod(m, struct ip6_hdr *); |
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srcrt = !IN6_ARE_ADDR_EQUAL(&odst, &ip6->ip6_dst); |
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} |
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#endif /* PFIL_HOOKS */ |
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IP6_STATINC(IP6_STAT_NXTHIST + ip6->ip6_nxt); |
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#ifdef ALTQ |
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if (altq_input != NULL && (*altq_input)(m, AF_INET6) == 0) { |
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/* packet is dropped by traffic conditioner */ |
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return; |
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} |
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#endif |
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/* |
/* |
* Check against address spoofing/corruption. |
* Check against address spoofing/corruption. |
*/ |
*/ |
Line 414 ip6_input(struct mbuf *m) |
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Line 329 ip6_input(struct mbuf *m) |
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* XXX: "badscope" is not very suitable for a multicast source. |
* XXX: "badscope" is not very suitable for a multicast source. |
*/ |
*/ |
IP6_STATINC(IP6_STAT_BADSCOPE); |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
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/* |
/* |
* The following check is not documented in specs. A malicious |
* The following check is not documented in specs. A malicious |
* party may be able to use IPv4 mapped addr to confuse tcp/udp stack |
* party may be able to use IPv4 mapped addr to confuse tcp/udp stack |
Line 432 ip6_input(struct mbuf *m) |
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Line 348 ip6_input(struct mbuf *m) |
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if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IP6_STATINC(IP6_STAT_BADSCOPE); |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
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#if 0 |
#if 0 |
/* |
/* |
* Reject packets with IPv4 compatible addresses (auto tunnel). |
* Reject packets with IPv4 compatible addresses (auto tunnel). |
Line 446 ip6_input(struct mbuf *m) |
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Line 363 ip6_input(struct mbuf *m) |
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if (IN6_IS_ADDR_V4COMPAT(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4COMPAT(&ip6->ip6_src) || |
IN6_IS_ADDR_V4COMPAT(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4COMPAT(&ip6->ip6_dst)) { |
IP6_STATINC(IP6_STAT_BADSCOPE); |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
#endif |
#endif |
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/* |
/* |
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* Assume that we can create a fast-forward IP flow entry |
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* based on this packet. |
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*/ |
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m->m_flags |= M_CANFASTFWD; |
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/* |
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* Run through list of hooks for input packets. If there are any |
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* filters which require that additional packets in the flow are |
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* not fast-forwarded, they must clear the M_CANFASTFWD flag. |
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* Note that filters must _never_ set this flag, as another filter |
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* in the list may have previously cleared it. |
|
*/ |
|
/* |
|
* let ipfilter look at packet on the wire, |
|
* not the decapsulated packet. |
|
*/ |
|
#if defined(IPSEC) |
|
if (!ipsec_used || !ipsec_indone(m)) |
|
#else |
|
if (1) |
|
#endif |
|
{ |
|
struct in6_addr odst; |
|
|
|
odst = ip6->ip6_dst; |
|
if (pfil_run_hooks(inet6_pfil_hook, &m, rcvif, PFIL_IN) != 0) |
|
return; |
|
if (m == NULL) |
|
return; |
|
ip6 = mtod(m, struct ip6_hdr *); |
|
srcrt = !IN6_ARE_ADDR_EQUAL(&odst, &ip6->ip6_dst); |
|
} |
|
|
|
IP6_STATINC(IP6_STAT_NXTHIST + ip6->ip6_nxt); |
|
|
|
#ifdef ALTQ |
|
if (altq_input != NULL) { |
|
SOFTNET_LOCK(); |
|
if ((*altq_input)(m, AF_INET6) == 0) { |
|
SOFTNET_UNLOCK(); |
|
/* packet is dropped by traffic conditioner */ |
|
return; |
|
} |
|
SOFTNET_UNLOCK(); |
|
} |
|
#endif |
|
|
|
/* |
* Disambiguate address scope zones (if there is ambiguity). |
* Disambiguate address scope zones (if there is ambiguity). |
* We first make sure that the original source or destination address |
* We first make sure that the original source or destination address |
* is not in our internal form for scoped addresses. Such addresses |
* is not in our internal form for scoped addresses. Such addresses |
Line 459 ip6_input(struct mbuf *m) |
|
Line 424 ip6_input(struct mbuf *m) |
|
* to the usage conflict. |
* to the usage conflict. |
* in6_setscope() then also checks and rejects the cases where src or |
* in6_setscope() then also checks and rejects the cases where src or |
* dst are the loopback address and the receiving interface |
* dst are the loopback address and the receiving interface |
* is not loopback. |
* is not loopback. |
*/ |
*/ |
if (__predict_false( |
if (__predict_false( |
m_makewritable(&m, 0, sizeof(struct ip6_hdr), M_DONTWAIT))) |
m_makewritable(&m, 0, sizeof(struct ip6_hdr), M_DONTWAIT))) |
Line 469 ip6_input(struct mbuf *m) |
|
Line 434 ip6_input(struct mbuf *m) |
|
IP6_STATINC(IP6_STAT_BADSCOPE); /* XXX */ |
IP6_STATINC(IP6_STAT_BADSCOPE); /* XXX */ |
goto bad; |
goto bad; |
} |
} |
if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) || |
if (in6_setscope(&ip6->ip6_src, rcvif, NULL) || |
in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) { |
in6_setscope(&ip6->ip6_dst, rcvif, NULL)) { |
IP6_STATINC(IP6_STAT_BADSCOPE); |
IP6_STATINC(IP6_STAT_BADSCOPE); |
goto bad; |
goto bad; |
} |
} |
|
|
|
ro = percpu_getref(ip6_forward_rt_percpu); |
|
|
/* |
/* |
* Multicast check |
* Multicast check |
*/ |
*/ |
if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) { |
if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) { |
struct in6_multi *in6m = 0; |
bool ingroup; |
|
|
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_mcast); |
in6_ifstat_inc(rcvif, ifs6_in_mcast); |
/* |
/* |
* See if we belong to the destination multicast group on the |
* See if we belong to the destination multicast group on the |
* arrival interface. |
* arrival interface. |
*/ |
*/ |
IN6_LOOKUP_MULTI(ip6->ip6_dst, m->m_pkthdr.rcvif, in6m); |
ingroup = in6_multi_group(&ip6->ip6_dst, rcvif); |
if (in6m) |
if (ingroup) { |
ours = 1; |
ours = 1; |
else if (!ip6_mrouter) { |
} else if (!ip6_mrouter) { |
uint64_t *ip6s = IP6_STAT_GETREF(); |
uint64_t *ip6s = IP6_STAT_GETREF(); |
ip6s[IP6_STAT_NOTMEMBER]++; |
ip6s[IP6_STAT_NOTMEMBER]++; |
ip6s[IP6_STAT_CANTFORWARD]++; |
ip6s[IP6_STAT_CANTFORWARD]++; |
IP6_STAT_PUTREF(); |
IP6_STAT_PUTREF(); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(rcvif, ifs6_in_discard); |
goto bad; |
goto bad_unref; |
} |
} |
deliverifp = m->m_pkthdr.rcvif; |
deliverifp = rcvif; |
goto hbhcheck; |
goto hbhcheck; |
} |
} |
|
|
sockaddr_in6_init(&u.dst6, &ip6->ip6_dst, 0, 0, 0); |
sockaddr_in6_init(&u.dst6, &ip6->ip6_dst, 0, 0, 0); |
|
|
/* |
/* |
* Unicast check |
* Unicast check |
*/ |
*/ |
rt = rtcache_lookup2(&ip6_forward_rt, &u.dst, 1, &hit); |
rt = rtcache_lookup2(ro, &u.dst, 1, &hit); |
if (hit) |
if (hit) |
IP6_STATINC(IP6_STAT_FORWARD_CACHEHIT); |
IP6_STATINC(IP6_STAT_FORWARD_CACHEHIT); |
else |
else |
IP6_STATINC(IP6_STAT_FORWARD_CACHEMISS); |
IP6_STATINC(IP6_STAT_FORWARD_CACHEMISS); |
|
|
#define rt6_getkey(__rt) satocsin6(rt_getkey(__rt)) |
|
|
|
/* |
/* |
* Accept the packet if the forwarding interface to the destination |
* Accept the packet if the forwarding interface to the destination |
* according to the routing table is the loopback interface, |
* (according to the routing table) is the loopback interface, |
* unless the associated route has a gateway. |
* unless the associated route has a gateway. |
|
* |
|
* We don't explicitly match ip6_dst against an interface here. It |
|
* is already done in rtcache_lookup2: rt->rt_ifp->if_type will be |
|
* IFT_LOOP if the packet is for us. |
|
* |
* Note that this approach causes to accept a packet if there is a |
* Note that this approach causes to accept a packet if there is a |
* route to the loopback interface for the destination of the packet. |
* route to the loopback interface for the destination of the packet. |
* 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 |
Line 525 ip6_input(struct mbuf *m) |
|
Line 495 ip6_input(struct mbuf *m) |
|
*/ |
*/ |
if (rt != NULL && |
if (rt != NULL && |
(rt->rt_flags & (RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
(rt->rt_flags & (RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
!(rt->rt_flags & RTF_CLONED) && |
|
#if 0 |
|
/* |
|
* The check below is redundant since the comparison of |
|
* the destination and the key of the rtentry has |
|
* already done through looking up the routing table. |
|
*/ |
|
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, &rt6_getkey(rt)->sin6_addr) && |
|
#endif |
|
rt->rt_ifp->if_type == IFT_LOOP) { |
rt->rt_ifp->if_type == IFT_LOOP) { |
struct in6_ifaddr *ia6 = (struct in6_ifaddr *)rt->rt_ifa; |
struct in6_ifaddr *ia6 = (struct in6_ifaddr *)rt->rt_ifa; |
|
int addrok; |
|
|
if (ia6->ia6_flags & IN6_IFF_ANYCAST) |
if (ia6->ia6_flags & IN6_IFF_ANYCAST) |
m->m_flags |= M_ANYCAST6; |
m->m_flags |= M_ANYCAST6; |
/* |
/* |
* packets to a tentative, duplicated, or somehow invalid |
* packets to a tentative, duplicated, or somehow invalid |
* address must not be accepted. |
* address must not be accepted. |
*/ |
*/ |
if (!(ia6->ia6_flags & IN6_IFF_NOTREADY)) { |
if (ia6->ia6_flags & IN6_IFF_NOTREADY) |
|
addrok = 0; |
|
else if (ia6->ia6_flags & IN6_IFF_DETACHED && |
|
!IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_src)) |
|
{ |
|
/* Allow internal traffic to DETACHED addresses */ |
|
struct sockaddr_in6 sin6; |
|
int s; |
|
|
|
memset(&sin6, 0, sizeof(sin6)); |
|
sin6.sin6_family = AF_INET6; |
|
sin6.sin6_len = sizeof(sin6); |
|
sin6.sin6_addr = ip6->ip6_src; |
|
s = pserialize_read_enter(); |
|
addrok = (ifa_ifwithaddr(sin6tosa(&sin6)) != NULL); |
|
pserialize_read_exit(s); |
|
} else |
|
addrok = 1; |
|
if (addrok) { |
/* this address is ready */ |
/* this address is ready */ |
ours = 1; |
ours = 1; |
deliverifp = ia6->ia_ifp; /* correct? */ |
deliverifp = ia6->ia_ifp; /* correct? */ |
goto hbhcheck; |
goto hbhcheck; |
} else { |
} else { |
/* address is not ready, so discard the packet. */ |
/* address is not ready, so discard the packet. */ |
nd6log((LOG_INFO, |
char ip6bufs[INET6_ADDRSTRLEN]; |
"ip6_input: packet to an unready address %s->%s\n", |
char ip6bufd[INET6_ADDRSTRLEN]; |
ip6_sprintf(&ip6->ip6_src), |
nd6log(LOG_INFO, "packet to an unready address %s->%s\n", |
ip6_sprintf(&ip6->ip6_dst))); |
IN6_PRINT(ip6bufs, &ip6->ip6_src), |
|
IN6_PRINT(ip6bufd, &ip6->ip6_dst)); |
|
|
goto bad; |
goto bad_unref; |
} |
} |
} |
} |
|
|
Line 573 ip6_input(struct mbuf *m) |
|
Line 555 ip6_input(struct mbuf *m) |
|
} |
} |
#endif |
#endif |
|
|
#if 0 |
|
{ |
|
/* |
|
* Last resort: check in6_ifaddr for incoming interface. |
|
* The code is here until I update the "goto ours hack" code above |
|
* working right. |
|
*/ |
|
struct ifaddr *ifa; |
|
IFADDR_FOREACH(ifa, m->m_pkthdr.rcvif) { |
|
if (ifa->ifa_addr == NULL) |
|
continue; /* just for safety */ |
|
if (ifa->ifa_addr->sa_family != AF_INET6) |
|
continue; |
|
if (IN6_ARE_ADDR_EQUAL(IFA_IN6(ifa), &ip6->ip6_dst)) { |
|
ours = 1; |
|
deliverifp = ifa->ifa_ifp; |
|
goto hbhcheck; |
|
} |
|
} |
|
} |
|
#endif |
|
|
|
/* |
/* |
* Now there is no reason to process the packet if it's not our own |
* Now there is no reason to process the packet if it's not our own |
* and we're not a router. |
* and we're not a router. |
*/ |
*/ |
if (!ip6_forwarding) { |
if (!ip6_forwarding) { |
IP6_STATINC(IP6_STAT_CANTFORWARD); |
IP6_STATINC(IP6_STAT_CANTFORWARD); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(rcvif, ifs6_in_discard); |
goto bad; |
goto bad_unref; |
} |
} |
|
|
hbhcheck: |
hbhcheck: |
/* |
/* |
* record address information into m_tag, if we don't have one yet. |
* 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 |
* Note that we are unable to record it, if the address is not listed |
* as our interface address (e.g. multicast addresses, addresses |
* as our interface address (e.g. multicast addresses, addresses |
* within FAITH prefixes and such). |
* within FAITH prefixes and such). |
*/ |
*/ |
if (deliverifp && ip6_getdstifaddr(m) == NULL) { |
if (deliverifp && ip6_getdstifaddr(m) == NULL) { |
struct in6_ifaddr *ia6; |
struct in6_ifaddr *ia6; |
|
int s = pserialize_read_enter(); |
|
|
ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
|
/* Depends on ip6_setdstifaddr never sleep */ |
if (ia6 != NULL && ip6_setdstifaddr(m, ia6) == NULL) { |
if (ia6 != NULL && ip6_setdstifaddr(m, ia6) == NULL) { |
/* |
/* |
* XXX maybe we should drop the packet here, |
* XXX maybe we should drop the packet here, |
Line 623 ip6_input(struct mbuf *m) |
|
Line 585 ip6_input(struct mbuf *m) |
|
* to the upper layers. |
* to the upper layers. |
*/ |
*/ |
} |
} |
|
pserialize_read_exit(s); |
} |
} |
|
|
/* |
/* |
Line 635 ip6_input(struct mbuf *m) |
|
Line 598 ip6_input(struct mbuf *m) |
|
struct ip6_hbh *hbh; |
struct ip6_hbh *hbh; |
|
|
if (ip6_hopopts_input(&plen, &rtalert, &m, &off)) { |
if (ip6_hopopts_input(&plen, &rtalert, &m, &off)) { |
#if 0 /*touches NULL pointer*/ |
/* m already freed */ |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(rcvif, ifs6_in_discard); |
#endif |
rtcache_unref(rt, ro); |
return; /* m have already been freed */ |
percpu_putref(ip6_forward_rt_percpu); |
|
return; |
} |
} |
|
|
/* adjust pointer */ |
/* adjust pointer */ |
Line 656 ip6_input(struct mbuf *m) |
|
Line 620 ip6_input(struct mbuf *m) |
|
* (non-zero) payload length to the variable plen. |
* (non-zero) payload length to the variable plen. |
*/ |
*/ |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(rcvif, ifs6_in_discard); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
(char *)&ip6->ip6_plen - (char *)ip6); |
(char *)&ip6->ip6_plen - (char *)ip6); |
|
rtcache_unref(rt, ro); |
|
percpu_putref(ip6_forward_rt_percpu); |
return; |
return; |
} |
} |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
sizeof(struct ip6_hbh)); |
sizeof(struct ip6_hbh)); |
if (hbh == NULL) { |
if (hbh == NULL) { |
IP6_STATINC(IP6_STAT_TOOSHORT); |
IP6_STATINC(IP6_STAT_TOOSHORT); |
|
rtcache_unref(rt, ro); |
|
percpu_putref(ip6_forward_rt_percpu); |
return; |
return; |
} |
} |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
KASSERT(IP6_HDR_ALIGNED_P(hbh)); |
Line 682 ip6_input(struct mbuf *m) |
|
Line 650 ip6_input(struct mbuf *m) |
|
nxt = ip6->ip6_nxt; |
nxt = ip6->ip6_nxt; |
|
|
/* |
/* |
* Check that the amount of data in the buffers |
* Check that the amount of data in the buffers is at least much as |
* is as at least much as the IPv6 header would have us expect. |
* the IPv6 header would have us expect. Trim mbufs if longer than we |
* Trim mbufs if longer than we expect. |
* expect. Drop packet if shorter than we expect. |
* Drop packet if shorter than we expect. |
|
*/ |
*/ |
if (m->m_pkthdr.len - sizeof(struct ip6_hdr) < plen) { |
if (m->m_pkthdr.len - sizeof(struct ip6_hdr) < plen) { |
IP6_STATINC(IP6_STAT_TOOSHORT); |
IP6_STATINC(IP6_STAT_TOOSHORT); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); |
in6_ifstat_inc(rcvif, ifs6_in_truncated); |
goto bad; |
goto bad_unref; |
} |
} |
if (m->m_pkthdr.len > sizeof(struct ip6_hdr) + plen) { |
if (m->m_pkthdr.len > sizeof(struct ip6_hdr) + plen) { |
if (m->m_len == m->m_pkthdr.len) { |
if (m->m_len == m->m_pkthdr.len) { |
Line 712 ip6_input(struct mbuf *m) |
|
Line 679 ip6_input(struct mbuf *m) |
|
* ip6_mforward() returns a non-zero value, the packet |
* ip6_mforward() returns a non-zero value, the packet |
* must be discarded, else it may be accepted below. |
* must be discarded, else it may be accepted below. |
*/ |
*/ |
if (ip6_mrouter && ip6_mforward(ip6, m->m_pkthdr.rcvif, m)) { |
if (ip6_mrouter != NULL) { |
IP6_STATINC(IP6_STAT_CANTFORWARD); |
int error; |
m_freem(m); |
|
return; |
SOFTNET_LOCK(); |
} |
error = ip6_mforward(ip6, rcvif, m); |
if (!ours) { |
SOFTNET_UNLOCK(); |
m_freem(m); |
|
return; |
if (error != 0) { |
|
rtcache_unref(rt, ro); |
|
percpu_putref(ip6_forward_rt_percpu); |
|
IP6_STATINC(IP6_STAT_CANTFORWARD); |
|
goto bad; |
|
} |
} |
} |
|
if (!ours) |
|
goto bad_unref; |
} else if (!ours) { |
} else if (!ours) { |
|
rtcache_unref(rt, ro); |
|
percpu_putref(ip6_forward_rt_percpu); |
ip6_forward(m, srcrt); |
ip6_forward(m, srcrt); |
return; |
return; |
} |
} |
Line 740 ip6_input(struct mbuf *m) |
|
Line 716 ip6_input(struct mbuf *m) |
|
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IP6_STATINC(IP6_STAT_BADSCOPE); |
IP6_STATINC(IP6_STAT_BADSCOPE); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad_unref; |
} |
} |
|
|
/* |
|
* Tell launch routine the next header |
|
*/ |
|
#ifdef IFA_STATS |
#ifdef IFA_STATS |
if (deliverifp != NULL) { |
if (deliverifp != NULL) { |
struct in6_ifaddr *ia6; |
struct in6_ifaddr *ia6; |
|
int s = pserialize_read_enter(); |
ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst); |
if (ia6) |
if (ia6) |
ia6->ia_ifa.ifa_data.ifad_inbytes += m->m_pkthdr.len; |
ia6->ia_ifa.ifa_data.ifad_inbytes += m->m_pkthdr.len; |
|
pserialize_read_exit(s); |
} |
} |
#endif |
#endif |
IP6_STATINC(IP6_STAT_DELIVERED); |
IP6_STATINC(IP6_STAT_DELIVERED); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
in6_ifstat_inc(deliverifp, ifs6_in_deliver); |
nest = 0; |
nest = 0; |
|
|
|
if (rt != NULL) { |
|
rtcache_unref(rt, ro); |
|
rt = NULL; |
|
} |
|
percpu_putref(ip6_forward_rt_percpu); |
|
|
rh_present = 0; |
rh_present = 0; |
|
frg_present = 0; |
while (nxt != IPPROTO_DONE) { |
while (nxt != IPPROTO_DONE) { |
if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { |
if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) { |
IP6_STATINC(IP6_STAT_TOOMANYHDR); |
IP6_STATINC(IP6_STAT_TOOMANYHDR); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_hdrerr); |
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
goto bad; |
goto bad; |
} |
} |
|
|
Line 773 ip6_input(struct mbuf *m) |
|
Line 755 ip6_input(struct mbuf *m) |
|
*/ |
*/ |
if (m->m_pkthdr.len < off) { |
if (m->m_pkthdr.len < off) { |
IP6_STATINC(IP6_STAT_TOOSHORT); |
IP6_STATINC(IP6_STAT_TOOSHORT); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); |
in6_ifstat_inc(rcvif, ifs6_in_truncated); |
goto bad; |
goto bad; |
} |
} |
|
|
if (nxt == IPPROTO_ROUTING) { |
if (nxt == IPPROTO_ROUTING) { |
if (rh_present++) { |
if (rh_present++) { |
in6_ifstat_inc(m->m_pkthdr.rcvif, |
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
ifs6_in_hdrerr); |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
|
goto bad; |
|
} |
|
} else if (nxt == IPPROTO_FRAGMENT) { |
|
if (frg_present++) { |
|
in6_ifstat_inc(rcvif, ifs6_in_hdrerr); |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
IP6_STATINC(IP6_STAT_BADOPTIONS); |
goto bad; |
goto bad; |
} |
} |
} |
} |
|
|
#ifdef KAME_IPSEC |
#ifdef IPSEC |
/* |
if (ipsec_used) { |
* 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. |
|
*/ |
|
if ((inet6sw[ip6_protox[nxt]].pr_flags & PR_LASTHDR) != 0 && |
|
ipsec6_in_reject(m, NULL)) { |
|
IPSEC6_STATINC(IPSEC_STAT_IN_POLVIO); |
|
goto bad; |
|
} |
|
#endif |
|
#ifdef FAST_IPSEC |
|
/* |
|
* 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. |
|
*/ |
|
if ((inet6sw[ip_protox[nxt]].pr_flags & PR_LASTHDR) != 0) { |
|
/* |
|
* 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. |
|
*/ |
|
mtag = m_tag_find(m, PACKET_TAG_IPSEC_IN_DONE, NULL); |
|
s = splsoftnet(); |
|
if (mtag != NULL) { |
|
tdbi = (struct tdb_ident *)(mtag + 1); |
|
sp = ipsec_getpolicy(tdbi, IPSEC_DIR_INBOUND); |
|
} else { |
|
sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, |
|
IP_FORWARDING, &error); |
|
} |
|
if (sp != NULL) { |
|
/* |
/* |
* Check security policy against packet attributes. |
* 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. |
*/ |
*/ |
error = ipsec_in_reject(sp, m); |
if ((inet6sw[ip_protox[nxt]].pr_flags |
KEY_FREESP(&sp); |
& PR_LASTHDR) != 0) { |
} else { |
int error; |
/* XXX error stat??? */ |
|
error = EINVAL; |
error = ipsec6_input(m); |
DPRINTF(("ip6_input: no SP, packet discarded\n"));/*XXX*/ |
if (error) |
|
goto bad; |
|
} |
} |
} |
splx(s); |
#endif |
if (error) |
|
goto bad; |
|
} |
|
#endif /* FAST_IPSEC */ |
|
|
|
|
|
nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
} |
} |
return; |
return; |
bad: |
|
|
bad_unref: |
|
rtcache_unref(rt, ro); |
|
percpu_putref(ip6_forward_rt_percpu); |
|
bad: |
m_freem(m); |
m_freem(m); |
|
return; |
} |
} |
|
|
/* |
/* |
Line 852 static struct m_tag * |
|
Line 810 static struct m_tag * |
|
ip6_setdstifaddr(struct mbuf *m, const struct in6_ifaddr *ia) |
ip6_setdstifaddr(struct mbuf *m, const struct in6_ifaddr *ia) |
{ |
{ |
struct m_tag *mtag; |
struct m_tag *mtag; |
|
struct ip6aux *ip6a; |
|
|
mtag = ip6_addaux(m); |
mtag = ip6_addaux(m); |
if (mtag != NULL) { |
if (mtag == NULL) |
struct ip6aux *ip6a; |
return NULL; |
|
|
ip6a = (struct ip6aux *)(mtag + 1); |
ip6a = (struct ip6aux *)(mtag + 1); |
in6_setscope(&ip6a->ip6a_src, ia->ia_ifp, &ip6a->ip6a_scope_id); |
if (in6_setscope(&ip6a->ip6a_src, ia->ia_ifp, &ip6a->ip6a_scope_id)) { |
ip6a->ip6a_src = ia->ia_addr.sin6_addr; |
IP6_STATINC(IP6_STAT_BADSCOPE); |
ip6a->ip6a_flags = ia->ia6_flags; |
return NULL; |
} |
} |
return mtag; /* NULL if failed to set */ |
|
|
ip6a->ip6a_src = ia->ia_addr.sin6_addr; |
|
ip6a->ip6a_flags = ia->ia6_flags; |
|
return mtag; |
} |
} |
|
|
const struct ip6aux * |
const struct ip6aux * |
Line 893 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
Line 855 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
|
|
/* validation of the length of the header */ |
/* validation of the length of the header */ |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, |
sizeof(struct ip6_hdr), sizeof(struct ip6_hbh)); |
sizeof(struct ip6_hdr), sizeof(struct ip6_hbh)); |
if (hbh == NULL) { |
if (hbh == NULL) { |
IP6_STATINC(IP6_STAT_TOOSHORT); |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return -1; |
return -1; |
} |
} |
hbhlen = (hbh->ip6h_len + 1) << 3; |
hbhlen = (hbh->ip6h_len + 1) << 3; |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
IP6_EXTHDR_GET(hbh, struct ip6_hbh *, m, sizeof(struct ip6_hdr), |
hbhlen); |
hbhlen); |
if (hbh == NULL) { |
if (hbh == NULL) { |
IP6_STATINC(IP6_STAT_TOOSHORT); |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return -1; |
return -1; |
Line 910 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
Line 872 ip6_hopopts_input(u_int32_t *plenp, u_in |
|
hbhlen -= sizeof(struct ip6_hbh); |
hbhlen -= sizeof(struct ip6_hbh); |
|
|
if (ip6_process_hopopts(m, (u_int8_t *)hbh + sizeof(struct ip6_hbh), |
if (ip6_process_hopopts(m, (u_int8_t *)hbh + sizeof(struct ip6_hbh), |
hbhlen, rtalertp, plenp) < 0) |
hbhlen, rtalertp, plenp) < 0) |
return (-1); |
return -1; |
|
|
*offp = off; |
*offp = off; |
*mp = m; |
*mp = m; |
return (0); |
return 0; |
} |
} |
|
|
/* |
/* |
Line 998 ip6_process_hopopts(struct mbuf *m, u_in |
|
Line 960 ip6_process_hopopts(struct mbuf *m, u_in |
|
|
|
/* |
/* |
* We may see jumbolen in unaligned location, so |
* We may see jumbolen in unaligned location, so |
* we'd need to perform bcopy(). |
* we'd need to perform memcpy(). |
*/ |
*/ |
memcpy(&jumboplen, opt + 2, sizeof(jumboplen)); |
memcpy(&jumboplen, opt + 2, sizeof(jumboplen)); |
jumboplen = (u_int32_t)htonl(jumboplen); |
jumboplen = (u_int32_t)htonl(jumboplen); |
|
|
ip6_savecontrol(struct in6pcb *in6p, struct mbuf **mp, |
ip6_savecontrol(struct in6pcb *in6p, struct mbuf **mp, |
struct ip6_hdr *ip6, struct mbuf *m) |
struct ip6_hdr *ip6, struct mbuf *m) |
{ |
{ |
|
struct socket *so = in6p->in6p_socket; |
#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)) |
#else |
#else |
#define IS2292(x, y) (y) |
#define IS2292(x, y) (y) |
#endif |
#endif |
|
|
if (in6p->in6p_socket->so_options & SO_TIMESTAMP |
if (SOOPT_TIMESTAMP(so->so_options)) |
#ifdef SO_OTIMESTAMP |
mp = sbsavetimestamp(so->so_options, m, mp); |
|| in6p->in6p_socket->so_options & SO_OTIMESTAMP |
|
#endif |
|
) { |
|
struct timeval tv; |
|
|
|
microtime(&tv); |
|
#ifdef SO_OTIMESTAMP |
|
if (in6p->in6p_socket->so_options & SO_OTIMESTAMP) { |
|
struct timeval50 tv50; |
|
timeval_to_timeval50(&tv, &tv50); |
|
*mp = sbcreatecontrol((void *) &tv50, sizeof(tv50), |
|
SCM_OTIMESTAMP, SOL_SOCKET); |
|
} else |
|
#endif |
|
*mp = sbcreatecontrol((void *) &tv, sizeof(tv), |
|
SCM_TIMESTAMP, SOL_SOCKET); |
|
if (*mp) |
|
mp = &(*mp)->m_next; |
|
} |
|
|
|
/* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */ |
/* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */ |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) |
if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) |
Line 1145 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1089 ip6_savecontrol(struct in6pcb *in6p, str |
|
|
|
memcpy(&pi6.ipi6_addr, &ip6->ip6_dst, sizeof(struct in6_addr)); |
memcpy(&pi6.ipi6_addr, &ip6->ip6_dst, sizeof(struct in6_addr)); |
in6_clearscope(&pi6.ipi6_addr); /* XXX */ |
in6_clearscope(&pi6.ipi6_addr); /* XXX */ |
pi6.ipi6_ifindex = m->m_pkthdr.rcvif ? |
pi6.ipi6_ifindex = m->m_pkthdr.rcvif_index; |
m->m_pkthdr.rcvif->if_index : 0; |
*mp = sbcreatecontrol(&pi6, sizeof(pi6), |
*mp = sbcreatecontrol((void *) &pi6, |
|
sizeof(struct in6_pktinfo), |
|
IS2292(IPV6_2292PKTINFO, IPV6_PKTINFO), IPPROTO_IPV6); |
IS2292(IPV6_2292PKTINFO, IPV6_PKTINFO), IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
Line 1157 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1099 ip6_savecontrol(struct in6pcb *in6p, str |
|
if (in6p->in6p_flags & IN6P_HOPLIMIT) { |
if (in6p->in6p_flags & IN6P_HOPLIMIT) { |
int hlim = ip6->ip6_hlim & 0xff; |
int hlim = ip6->ip6_hlim & 0xff; |
|
|
*mp = sbcreatecontrol((void *) &hlim, sizeof(int), |
*mp = sbcreatecontrol(&hlim, sizeof(hlim), |
IS2292(IPV6_2292HOPLIMIT, IPV6_HOPLIMIT), IPPROTO_IPV6); |
IS2292(IPV6_2292HOPLIMIT, IPV6_HOPLIMIT), IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
Line 1171 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1113 ip6_savecontrol(struct in6pcb *in6p, str |
|
flowinfo >>= 20; |
flowinfo >>= 20; |
|
|
tclass = flowinfo & 0xff; |
tclass = flowinfo & 0xff; |
*mp = sbcreatecontrol((void *)&tclass, sizeof(tclass), |
*mp = sbcreatecontrol(&tclass, sizeof(tclass), |
IPV6_TCLASS, IPPROTO_IPV6); |
IPV6_TCLASS, IPPROTO_IPV6); |
|
|
if (*mp) |
if (*mp) |
Line 1219 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1161 ip6_savecontrol(struct in6pcb *in6p, str |
|
* be removed before returning in the RFC 2292. |
* be removed before returning in the RFC 2292. |
* Note: this constraint is removed in RFC3542. |
* Note: this constraint is removed in RFC3542. |
*/ |
*/ |
*mp = sbcreatecontrol((void *)hbh, hbhlen, |
*mp = sbcreatecontrol(hbh, hbhlen, |
IS2292(IPV6_2292HOPOPTS, IPV6_HOPOPTS), |
IS2292(IPV6_2292HOPOPTS, IPV6_HOPOPTS), |
IPPROTO_IPV6); |
IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
Line 1281 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1223 ip6_savecontrol(struct in6pcb *in6p, str |
|
if (!(in6p->in6p_flags & IN6P_DSTOPTS)) |
if (!(in6p->in6p_flags & IN6P_DSTOPTS)) |
break; |
break; |
|
|
*mp = sbcreatecontrol((void *)ip6e, elen, |
*mp = sbcreatecontrol(ip6e, elen, |
IS2292(IPV6_2292DSTOPTS, IPV6_DSTOPTS), |
IS2292(IPV6_2292DSTOPTS, IPV6_DSTOPTS), |
IPPROTO_IPV6); |
IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
Line 1292 ip6_savecontrol(struct in6pcb *in6p, str |
|
Line 1234 ip6_savecontrol(struct in6pcb *in6p, str |
|
if (!(in6p->in6p_flags & IN6P_RTHDR)) |
if (!(in6p->in6p_flags & IN6P_RTHDR)) |
break; |
break; |
|
|
*mp = sbcreatecontrol((void *)ip6e, elen, |
*mp = sbcreatecontrol(ip6e, elen, |
IS2292(IPV6_2292RTHDR, IPV6_RTHDR), |
IS2292(IPV6_2292RTHDR, IPV6_RTHDR), |
IPPROTO_IPV6); |
IPPROTO_IPV6); |
if (*mp) |
if (*mp) |
Line 1342 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
Line 1284 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
if (mtu == NULL) |
if (mtu == NULL) |
return; |
return; |
|
|
#ifdef DIAGNOSTIC |
KASSERT(so != NULL); |
if (so == NULL) /* I believe this is impossible */ |
|
panic("ip6_notify_pmtu: socket is NULL"); |
|
#endif |
|
|
|
memset(&mtuctl, 0, sizeof(mtuctl)); /* zero-clear for safety */ |
memset(&mtuctl, 0, sizeof(mtuctl)); /* zero-clear for safety */ |
mtuctl.ip6m_mtu = *mtu; |
mtuctl.ip6m_mtu = *mtu; |
Line 1353 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
Line 1292 ip6_notify_pmtu(struct in6pcb *in6p, con |
|
if (sa6_recoverscope(&mtuctl.ip6m_addr)) |
if (sa6_recoverscope(&mtuctl.ip6m_addr)) |
return; |
return; |
|
|
if ((m_mtu = sbcreatecontrol((void *)&mtuctl, sizeof(mtuctl), |
if ((m_mtu = sbcreatecontrol(&mtuctl, sizeof(mtuctl), |
IPV6_PATHMTU, IPPROTO_IPV6)) == NULL) |
IPV6_PATHMTU, IPPROTO_IPV6)) == NULL) |
return; |
return; |
|
|
if (sbappendaddr(&so->so_rcv, (const struct sockaddr *)dst, NULL, m_mtu) |
if (sbappendaddr(&so->so_rcv, (const struct sockaddr *)dst, NULL, m_mtu) |
== 0) { |
== 0) { |
|
soroverflow(so); |
m_freem(m_mtu); |
m_freem(m_mtu); |
/* XXX: should count statistics */ |
|
} else |
} else |
sorwakeup(so); |
sorwakeup(so); |
|
|
Line 1419 ip6_pullexthdr(struct mbuf *m, size_t of |
|
Line 1358 ip6_pullexthdr(struct mbuf *m, size_t of |
|
} |
} |
|
|
/* |
/* |
* Get pointer to the previous header followed by the header |
* Get offset to the previous header followed by the header |
* currently processed. |
* currently processed. |
* XXX: This function supposes that |
|
* M includes all headers, |
|
* the next header field and the header length field of each header |
|
* are valid, and |
|
* the sum of each header length equals to OFF. |
|
* Because of these assumptions, this function must be called very |
|
* carefully. Moreover, it will not be used in the near future when |
|
* we develop `neater' mechanism to process extension headers. |
|
*/ |
*/ |
u_int8_t * |
int |
ip6_get_prevhdr(struct mbuf *m, int off) |
ip6_get_prevhdr(struct mbuf *m, int off) |
{ |
{ |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *); |
|
|
if (off == sizeof(struct ip6_hdr)) |
if (off == sizeof(struct ip6_hdr)) { |
return (&ip6->ip6_nxt); |
return offsetof(struct ip6_hdr, ip6_nxt); |
else { |
} else if (off < sizeof(struct ip6_hdr)) { |
int len, nxt; |
panic("%s: off < sizeof(struct ip6_hdr)", __func__); |
struct ip6_ext *ip6e = NULL; |
} else { |
|
int len, nlen, nxt; |
|
struct ip6_ext ip6e; |
|
|
nxt = ip6->ip6_nxt; |
nxt = ip6->ip6_nxt; |
len = sizeof(struct ip6_hdr); |
len = sizeof(struct ip6_hdr); |
|
nlen = 0; |
while (len < off) { |
while (len < off) { |
ip6e = (struct ip6_ext *)(mtod(m, char *) + len); |
m_copydata(m, len, sizeof(ip6e), &ip6e); |
|
|
switch (nxt) { |
switch (nxt) { |
case IPPROTO_FRAGMENT: |
case IPPROTO_FRAGMENT: |
len += sizeof(struct ip6_frag); |
nlen = sizeof(struct ip6_frag); |
break; |
break; |
case IPPROTO_AH: |
case IPPROTO_AH: |
len += (ip6e->ip6e_len + 2) << 2; |
nlen = (ip6e.ip6e_len + 2) << 2; |
break; |
break; |
default: |
default: |
len += (ip6e->ip6e_len + 1) << 3; |
nlen = (ip6e.ip6e_len + 1) << 3; |
break; |
break; |
} |
} |
nxt = ip6e->ip6e_nxt; |
len += nlen; |
|
nxt = ip6e.ip6e_nxt; |
} |
} |
if (ip6e) |
|
return (&ip6e->ip6e_nxt); |
return (len - nlen); |
else |
|
return NULL; |
|
} |
} |
} |
} |
|
|
Line 1478 ip6_nexthdr(struct mbuf *m, int off, int |
|
Line 1411 ip6_nexthdr(struct mbuf *m, int off, int |
|
|
|
/* just in case */ |
/* just in case */ |
if (m == NULL) |
if (m == NULL) |
panic("ip6_nexthdr: m == NULL"); |
panic("%s: m == NULL", __func__); |
if ((m->m_flags & M_PKTHDR) == 0 || m->m_pkthdr.len < off) |
if ((m->m_flags & M_PKTHDR) == 0 || m->m_pkthdr.len < off) |
return -1; |
return -1; |
|
|
Line 1608 ip6_delaux(struct mbuf *m) |
|
Line 1541 ip6_delaux(struct mbuf *m) |
|
m_tag_delete(m, mtag); |
m_tag_delete(m, mtag); |
} |
} |
|
|
#ifdef GATEWAY |
|
/* |
|
* sysctl helper routine for net.inet.ip6.maxflows. Since |
|
* we could reduce this value, call ip6flow_reap(); |
|
*/ |
|
static int |
|
sysctl_net_inet6_ip6_maxflows(SYSCTLFN_ARGS) |
|
{ |
|
int error; |
|
|
|
error = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
|
if (error || newp == NULL) |
|
return (error); |
|
|
|
mutex_enter(softnet_lock); |
|
KERNEL_LOCK(1, NULL); |
|
|
|
ip6flow_reap(0); |
|
|
|
KERNEL_UNLOCK_ONE(NULL); |
|
mutex_exit(softnet_lock); |
|
|
|
return (0); |
|
} |
|
|
|
static int |
|
sysctl_net_inet6_ip6_hashsize(SYSCTLFN_ARGS) |
|
{ |
|
int error, tmp; |
|
struct sysctlnode node; |
|
|
|
node = *rnode; |
|
tmp = ip6_hashsize; |
|
node.sysctl_data = &tmp; |
|
error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
|
if (error || newp == NULL) |
|
return (error); |
|
|
|
if ((tmp & (tmp - 1)) == 0 && tmp != 0) { |
|
/* |
|
* Can only fail due to malloc() |
|
*/ |
|
mutex_enter(softnet_lock); |
|
KERNEL_LOCK(1, NULL); |
|
|
|
error = ip6flow_invalidate_all(tmp); |
|
|
|
KERNEL_UNLOCK_ONE(NULL); |
|
mutex_exit(softnet_lock); |
|
} else { |
|
/* |
|
* EINVAL if not a power of 2 |
|
*/ |
|
error = EINVAL; |
|
} |
|
|
|
return error; |
|
} |
|
#endif /* GATEWAY */ |
|
|
|
/* |
/* |
* System control for IP6 |
* System control for IP6 |
*/ |
*/ |
Line 1681 const u_char inet6ctlerrmap[PRC_NCMDS] = |
|
Line 1554 const u_char inet6ctlerrmap[PRC_NCMDS] = |
|
ENOPROTOOPT |
ENOPROTOOPT |
}; |
}; |
|
|
|
extern int sysctl_net_inet6_addrctlpolicy(SYSCTLFN_ARGS); |
|
|
static int |
static int |
sysctl_net_inet6_ip6_stats(SYSCTLFN_ARGS) |
sysctl_net_inet6_ip6_stats(SYSCTLFN_ARGS) |
{ |
{ |
Line 1691 sysctl_net_inet6_ip6_stats(SYSCTLFN_ARGS |
|
Line 1566 sysctl_net_inet6_ip6_stats(SYSCTLFN_ARGS |
|
static void |
static void |
sysctl_net_inet6_ip6_setup(struct sysctllog **clog) |
sysctl_net_inet6_ip6_setup(struct sysctllog **clog) |
{ |
{ |
#ifdef RFC2292 |
|
#define IS2292(x, y) ((in6p->in6p_flags & IN6P_RFC2292) ? (x) : (y)) |
|
#else |
|
#define IS2292(x, y) (y) |
|
#endif |
|
|
|
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_NODE, "net", NULL, |
|
NULL, 0, NULL, 0, |
|
CTL_NET, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_NODE, "inet6", |
CTLTYPE_NODE, "inet6", |
SYSCTL_DESCR("PF_INET6 related settings"), |
SYSCTL_DESCR("PF_INET6 related settings"), |
NULL, 0, NULL, 0, |
NULL, 0, NULL, 0, |
Line 1736 sysctl_net_inet6_ip6_setup(struct sysctl |
|
Line 1601 sysctl_net_inet6_ip6_setup(struct sysctl |
|
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); |
#ifdef notyet |
|
sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "mtu", NULL, |
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NULL, 0, &, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_DEFMTU, CTL_EOL); |
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#endif |
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#ifdef __no_idea__ |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "forwsrcrt", NULL, |
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NULL, 0, &?, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_FORWSRCRT, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_STRUCT, "mrtstats", NULL, |
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NULL, 0, &?, sizeof(?), |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_MRTSTATS, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_?, "mrtproto", NULL, |
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NULL, 0, &?, sizeof(?), |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_MRTPROTO, CTL_EOL); |
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#endif |
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "maxfragpackets", |
CTLTYPE_INT, "maxfragpackets", |
Line 1772 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1609 sysctl_net_inet6_ip6_setup(struct sysctl |
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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); |
#ifdef __no_idea__ |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "sourcecheck", NULL, |
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NULL, 0, &?, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_SOURCECHECK, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "sourcecheck_logint", NULL, |
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NULL, 0, &?, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_SOURCECHECK_LOGINT, CTL_EOL); |
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#endif |
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "accept_rtadv", |
CTLTYPE_INT, "accept_rtadv", |
Line 1817 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1640 sysctl_net_inet6_ip6_setup(struct sysctl |
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "log_interval", |
CTLTYPE_INT, "log_interval", |
SYSCTL_DESCR("Minumum interval between logging " |
SYSCTL_DESCR("Minimum interval between logging " |
"unroutable packets"), |
"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, |
Line 1851 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1674 sysctl_net_inet6_ip6_setup(struct sysctl |
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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 |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "gifhlim", |
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SYSCTL_DESCR("Default hop limit for a gif tunnel datagram"), |
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NULL, 0, &ip6_gif_hlim, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_GIF_HLIM, CTL_EOL); |
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#endif /* NGIF */ |
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_STRING, "kame_version", |
CTLTYPE_STRING, "kame_version", |
Line 1926 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1740 sysctl_net_inet6_ip6_setup(struct sysctl |
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#endif /* IPNOPRIVPORTS */ |
#endif /* IPNOPRIVPORTS */ |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "auto_linklocal", |
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SYSCTL_DESCR("Default value of per-interface flag for " |
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"adding an IPv6 link-local address to " |
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"interfaces when attached"), |
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NULL, 0, &ip6_auto_linklocal, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_AUTO_LINKLOCAL, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READONLY, |
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CTLTYPE_STRUCT, "addctlpolicy", |
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SYSCTL_DESCR("Return the current address control" |
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" policy"), |
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sysctl_net_inet6_addrctlpolicy, 0, NULL, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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IPV6CTL_ADDRCTLPOLICY, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "use_tempaddr", |
CTLTYPE_INT, "use_tempaddr", |
SYSCTL_DESCR("Use temporary address"), |
SYSCTL_DESCR("Use temporary address"), |
NULL, 0, &ip6_use_tempaddr, 0, |
NULL, 0, &ip6_use_tempaddr, 0, |
Line 1933 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1764 sysctl_net_inet6_ip6_setup(struct sysctl |
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CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "prefer_tempaddr", |
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SYSCTL_DESCR("Prefer temporary address as source " |
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"address"), |
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NULL, 0, &ip6_prefer_tempaddr, 0, |
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CTL_NET, PF_INET6, IPPROTO_IPV6, |
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CTL_CREATE, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "temppltime", |
CTLTYPE_INT, "temppltime", |
SYSCTL_DESCR("preferred lifetime of a temporary address"), |
SYSCTL_DESCR("preferred lifetime of a temporary address"), |
NULL, 0, &ip6_temp_preferred_lifetime, 0, |
NULL, 0, &ip6_temp_preferred_lifetime, 0, |
Line 1973 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1812 sysctl_net_inet6_ip6_setup(struct sysctl |
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NULL, 0, &ip6_mcast_pmtu, 0, |
NULL, 0, &ip6_mcast_pmtu, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |
#ifdef GATEWAY |
/* anonportalgo RFC6056 subtree */ |
sysctl_createv(clog, 0, NULL, NULL, |
const struct sysctlnode *portalgo_node; |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
sysctl_createv(clog, 0, NULL, &portalgo_node, |
CTLTYPE_INT, "maxflows", |
CTLFLAG_PERMANENT, |
SYSCTL_DESCR("Number of flows for fast forwarding (IPv6)"), |
CTLTYPE_NODE, "anonportalgo", |
sysctl_net_inet6_ip6_maxflows, 0, &ip6_maxflows, 0, |
SYSCTL_DESCR("Anonymous port algorithm selection (RFC 6056)"), |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
NULL, 0, NULL, 0, |
CTL_CREATE, CTL_EOL); |
CTL_NET, PF_INET6, IPPROTO_IPV6, CTL_CREATE, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, &portalgo_node, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT, |
CTLTYPE_INT, "hashsize", |
CTLTYPE_STRING, "available", |
SYSCTL_DESCR("Size of hash table for fast forwarding (IPv6)"), |
SYSCTL_DESCR("available algorithms"), |
sysctl_net_inet6_ip6_hashsize, 0, &ip6_hashsize, 0, |
sysctl_portalgo_available, 0, NULL, PORTALGO_MAXLEN, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |
sysctl_createv(clog, 0, &portalgo_node, NULL, |
#endif |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_STRING, "selected", |
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SYSCTL_DESCR("selected algorithm"), |
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sysctl_portalgo_selected6, 0, NULL, PORTALGO_MAXLEN, |
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CTL_CREATE, CTL_EOL); |
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sysctl_createv(clog, 0, &portalgo_node, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_STRUCT, "reserve", |
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SYSCTL_DESCR("bitmap of reserved ports"), |
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sysctl_portalgo_reserve6, 0, NULL, 0, |
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CTL_CREATE, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "neighborgcthresh", |
CTLTYPE_INT, "neighborgcthresh", |
SYSCTL_DESCR("Maximum number of entries in neighbor" |
SYSCTL_DESCR("Maximum number of entries in neighbor" |
" cache"), |
" cache"), |
NULL, 1, &ip6_neighborgcthresh, 0, |
NULL, 1, &ip6_neighborgcthresh, 0, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_NET, PF_INET6, IPPROTO_IPV6, |
CTL_CREATE, CTL_EOL); |
CTL_CREATE, CTL_EOL); |