version 1.141, 2012/11/29 02:07:20 |
version 1.146, 2014/05/30 01:39:03 |
Line 68 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 68 __KERNEL_RCSID(0, "$NetBSD$"); |
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#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" |
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#include "opt_compat_netbsd.h" |
#include "opt_compat_netbsd.h" |
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#include <sys/param.h> |
#include <sys/param.h> |
Line 92 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 91 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <net/if_dl.h> |
#include <net/if_dl.h> |
#include <net/route.h> |
#include <net/route.h> |
#include <net/netisr.h> |
#include <net/netisr.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> |
Line 113 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 110 __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 FAST_IPSEC |
#ifdef IPSEC |
#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 |
#ifdef COMPAT_50 |
#include <compat/sys/time.h> |
#include <compat/sys/time.h> |
Line 148 int ip6_forward_srcrt; /* XXX */ |
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Line 145 int ip6_forward_srcrt; /* XXX */ |
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int ip6_sourcecheck; /* XXX */ |
int ip6_sourcecheck; /* XXX */ |
int ip6_sourcecheck_interval; /* XXX */ |
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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#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); |
} |
} |
Line 269 ip6_input(struct mbuf *m) |
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Line 257 ip6_input(struct mbuf *m) |
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struct sockaddr dst; |
struct sockaddr dst; |
struct sockaddr_in6 dst6; |
struct sockaddr_in6 dst6; |
} u; |
} u; |
#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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/* |
/* |
* 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 345 ip6_input(struct mbuf *m) |
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Line 327 ip6_input(struct mbuf *m) |
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*/ |
*/ |
m->m_flags |= M_CANFASTFWD; |
m->m_flags |= M_CANFASTFWD; |
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#ifdef PFIL_HOOKS |
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/* |
/* |
* Run through list of hooks for input packets. If there are any |
* Run through list of hooks for input packets. If there are any |
* filters which require that additional packets in the flow are |
* filters which require that additional packets in the flow are |
Line 357 ip6_input(struct mbuf *m) |
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Line 338 ip6_input(struct mbuf *m) |
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* let ipfilter look at packet on the wire, |
* let ipfilter look at packet on the wire, |
* not the decapsulated packet. |
* not the decapsulated packet. |
*/ |
*/ |
#if defined(FAST_IPSEC) |
#if defined(IPSEC) |
if (!ipsec_indone(m)) |
if (!ipsec_used || !ipsec_indone(m)) |
#else |
#else |
if (1) |
if (1) |
#endif |
#endif |
Line 366 ip6_input(struct mbuf *m) |
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Line 347 ip6_input(struct mbuf *m) |
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struct in6_addr odst; |
struct in6_addr odst; |
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odst = ip6->ip6_dst; |
odst = ip6->ip6_dst; |
if (pfil_run_hooks(&inet6_pfil_hook, &m, m->m_pkthdr.rcvif, |
if (pfil_run_hooks(inet6_pfil_hook, &m, m->m_pkthdr.rcvif, |
PFIL_IN) != 0) |
PFIL_IN) != 0) |
return; |
return; |
if (m == NULL) |
if (m == NULL) |
Line 374 ip6_input(struct mbuf *m) |
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Line 355 ip6_input(struct mbuf *m) |
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ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
srcrt = !IN6_ARE_ADDR_EQUAL(&odst, &ip6->ip6_dst); |
srcrt = !IN6_ARE_ADDR_EQUAL(&odst, &ip6->ip6_dst); |
} |
} |
#endif /* PFIL_HOOKS */ |
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IP6_STATINC(IP6_STAT_NXTHIST + ip6->ip6_nxt); |
IP6_STATINC(IP6_STAT_NXTHIST + ip6->ip6_nxt); |
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Line 766 ip6_input(struct mbuf *m) |
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Line 746 ip6_input(struct mbuf *m) |
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} |
} |
} |
} |
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#ifdef FAST_IPSEC |
#ifdef IPSEC |
/* |
if (ipsec_used) { |
* enforce IPsec policy checking if we are seeing last header. |
struct m_tag *mtag; |
* note that we do not visit this with protocols with pcb layer |
struct tdb_ident *tdbi; |
* code - like udp/tcp/raw ip. |
struct secpolicy *sp; |
*/ |
int s, error; |
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 |
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* done. If so, then just pass it along. This tag gets |
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* set during AH, ESP, etc. input handling, before the |
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* 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. |
* enforce IPsec policy checking if we are seeing last |
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* header. note that we do not visit this with |
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* 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 { |
/* |
/* XXX error stat??? */ |
* Check if the packet has already had IPsec |
error = EINVAL; |
* processing done. If so, then just pass it |
DPRINTF(("ip6_input: no SP, packet discarded\n"));/*XXX*/ |
* along. This tag gets set during AH, ESP, |
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* etc. input handling, before the packet is |
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* 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, |
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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, |
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IPSEC_DIR_INBOUND); |
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} else { |
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sp = ipsec_getpolicybyaddr(m, |
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IPSEC_DIR_INBOUND, IP_FORWARDING, |
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&error); |
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} |
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if (sp != NULL) { |
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/* |
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* Check security policy against packet |
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* attributes. |
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*/ |
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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??? */ |
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error = EINVAL; |
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DPRINTF(("ip6_input: no SP, packet" |
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" discarded\n"));/*XXX*/ |
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} |
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splx(s); |
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if (error) |
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goto bad; |
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} |
} |
} |
splx(s); |
#endif /* IPSEC */ |
if (error) |
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goto bad; |
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} |
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#endif /* FAST_IPSEC */ |
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nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
} |
} |
Line 820 static struct m_tag * |
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Line 813 static struct m_tag * |
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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; |
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struct ip6aux *ip6a; |
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mtag = ip6_addaux(m); |
mtag = ip6_addaux(m); |
if (mtag != NULL) { |
if (mtag == NULL) |
struct ip6aux *ip6a; |
return NULL; |
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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 */ |
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ip6a->ip6a_src = ia->ia_addr.sin6_addr; |
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ip6a->ip6a_flags = ia->ia6_flags; |
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return mtag; |
} |
} |
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const struct ip6aux * |
const struct ip6aux * |
Line 1667 sysctl_net_inet6_ip6_setup(struct sysctl |
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Line 1664 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_PERMANENT, |
CTLTYPE_NODE, "net", NULL, |
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NULL, 0, NULL, 0, |
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CTL_NET, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT, |
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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, |