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Diffstat (limited to 'sys/netinet6/in6_pcb.c')
-rw-r--r--sys/netinet6/in6_pcb.c207
1 files changed, 173 insertions, 34 deletions
diff --git a/sys/netinet6/in6_pcb.c b/sys/netinet6/in6_pcb.c
index 0d99d5a1454..f101e229833 100644
--- a/sys/netinet6/in6_pcb.c
+++ b/sys/netinet6/in6_pcb.c
@@ -68,10 +68,9 @@ didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>.
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
-#include <netinet6/in6.h>
#include <netinet6/in6_var.h>
-#include <netinet6/ipv6.h>
-#include <netinet6/ipv6_var.h>
+#include <netinet6/ip6.h>
+#include <netinet6/ip6_var.h>
#if __OpenBSD__
#undef IPSEC
@@ -147,6 +146,7 @@ extern int ipport_hilastauto;
* I also put it here, because, quite frankly, it belongs here, not in
* ip{v6,}_input().
*/
+#if 0
u_char inet6ctlerrmap[PRC_NCMDS] = {
0, 0, 0, 0,
0, EMSGSIZE, EHOSTDOWN, EHOSTUNREACH,
@@ -155,6 +155,7 @@ u_char inet6ctlerrmap[PRC_NCMDS] = {
0, 0, 0, 0,
ENOPROTOOPT
};
+#endif
/*----------------------------------------------------------------------
* Bind an address (or at least a port) to an PF_INET6 socket.
@@ -323,7 +324,7 @@ in6_pcbbind(inp, nam)
inp->inp_laddr6 = sin6->sin6_addr;
if (!IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr))
- inp->inp_ipv6.ipv6_versfl = htonl(0x60000000) |
+ inp->inp_ipv6.ip6_flow = htonl(0x60000000) |
(sin6->sin6_flowinfo & htonl(0x0fffffff));
/*
@@ -643,13 +644,13 @@ in6_pcbladdr(inp, nam, plocal_sin)
#define ifatoi6a(ifa) ((struct in6_ifaddr *)(ifa))
struct in6_ifaddr *ti6a = NULL;
- for (i6a = in6_ifaddr; i6a; i6a = i6a->i6a_next)
+ for (i6a = in6_ifaddr; i6a; i6a = i6a->ia_next)
{
/* Find first (non-link-local if possible) address for
source usage. If multiple link-locals, use last one found. */
- if (IN6_IS_ADDR_LINKLOCAL(&I6A_SIN(i6a)->sin6_addr))
+ if (IN6_IS_ADDR_LINKLOCAL(&IA6_SIN6(i6a)->sin6_addr))
ti6a=i6a;
- else if (!IN6_IS_ADDR_LOOPBACK(&I6A_SIN(i6a)->sin6_addr))
+ else if (!IN6_IS_ADDR_LOOPBACK(&IA6_SIN6(i6a)->sin6_addr))
break;
}
if (i6a == NULL && ti6a != NULL)
@@ -658,7 +659,7 @@ in6_pcbladdr(inp, nam, plocal_sin)
if (IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6))
{
- register struct route6 *ro;
+ register struct route_in6 *ro;
i6a = NULL;
/*
@@ -689,6 +690,7 @@ in6_pcbladdr(inp, nam, plocal_sin)
rtalloc((struct route *)ro);
}
+#if 0 /* NRL IPv6*/
if (ro->ro_rt == NULL)
{
/*
@@ -700,6 +702,7 @@ in6_pcbladdr(inp, nam, plocal_sin)
ipv6_onlink_query((struct sockaddr_in6 *)&ro->ro_dst);
rtalloc((struct route *)ro);
}
+#endif
if (ro->ro_rt == NULL)
{
/*
@@ -774,13 +777,13 @@ in6_pcbladdr(inp, nam, plocal_sin)
{
struct in6_ifaddr *ti6a = NULL;
- for (i6a = in6_ifaddr; i6a; i6a = i6a->i6a_next)
+ for (i6a = in6_ifaddr; i6a; i6a = i6a->ia_next)
{
/* Find first (non-local if possible) address for
source usage. If multiple locals, use last one found. */
- if (IN6_IS_ADDR_LINKLOCAL(&I6A_SIN(i6a)->sin6_addr))
+ if (IN6_IS_ADDR_LINKLOCAL(&IA6_SIN6(i6a)->sin6_addr))
ti6a=i6a;
- else if (!IN6_IS_ADDR_LOOPBACK(&I6A_SIN(i6a)->sin6_addr))
+ else if (!IN6_IS_ADDR_LOOPBACK(&IA6_SIN6(i6a)->sin6_addr))
break;
}
if (i6a == NULL && ti6a != NULL)
@@ -797,15 +800,15 @@ in6_pcbladdr(inp, nam, plocal_sin)
if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr) && inp->inp_moptions6 != NULL &&
(inp->inp_flags & INP_IPV6_MCAST))
{
- struct ipv6_moptions *i6mo;
+ struct ip6_hdr_moptions *im6o;
struct ifnet *ifp;
- i6mo = inp->inp_moptions6;
- if (i6mo->i6mo_multicast_ifp != NULL)
+ im6o = inp->inp_moptions6;
+ if (im6o->im6o_multicast_ifp != NULL)
{
- ifp = i6mo->i6mo_multicast_ifp;
- for (i6a = in6_ifaddr; i6a; i6a = i6a->i6a_next)
- if (i6a->i6a_ifp == ifp) /* Linkloc vs. global? */
+ ifp = im6o->im6o_multicast_ifp;
+ for (i6a = in6_ifaddr; i6a; i6a = i6a->ia_next)
+ if (i6a->ia_ifp == ifp) /* Linkloc vs. global? */
break;
if (i6a == NULL)
return EADDRNOTAVAIL;
@@ -838,6 +841,7 @@ in6_pcbconnect(inp, nam)
#else /* __FreeBSD__ */
struct mbuf *nam;
#endif /* __FreeBSD__ */
+#if 0
{
struct in6_ifaddr *i6a;
struct sockaddr_in6 *ifaddr = NULL;
@@ -944,13 +948,13 @@ in6_pcbconnect(inp, nam)
#define ifatoi6a(ifa) ((struct in6_ifaddr *)(ifa))
struct in6_ifaddr *ti6a = NULL;
- for (i6a = in6_ifaddr; i6a; i6a = i6a->i6a_next)
+ for (i6a = in6_ifaddr; i6a; i6a = i6a->ia_next)
{
/* Find first (non-link-local if possible) address for
source usage. If multiple link-locals, use last one found. */
- if (IN6_IS_ADDR_LINKLOCAL(&I6A_SIN(i6a)->sin6_addr))
+ if (IN6_IS_ADDR_LINKLOCAL(&IA6_SIN6(i6a)->sin6_addr))
ti6a=i6a;
- else if (!IN6_IS_ADDR_LOOPBACK(&I6A_SIN(i6a)->sin6_addr))
+ else if (!IN6_IS_ADDR_LOOPBACK(&IA6_SIN6(i6a)->sin6_addr))
break;
}
if (i6a == NULL && ti6a != NULL)
@@ -959,8 +963,7 @@ in6_pcbconnect(inp, nam)
if (IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6))
{
- register struct route6 *ro;
-
+ register struct route_in6 *ro;
i6a = NULL;
/*
@@ -991,6 +994,7 @@ in6_pcbconnect(inp, nam)
rtalloc((struct route *)ro);
}
+#if 0 /* NRL IPv6*/
if (ro->ro_rt == NULL)
{
/*
@@ -1002,6 +1006,7 @@ in6_pcbconnect(inp, nam)
ipv6_onlink_query((struct sockaddr_in6 *)&ro->ro_dst);
rtalloc((struct route *)ro);
}
+#endif
if (ro->ro_rt == NULL)
{
/*
@@ -1012,6 +1017,7 @@ in6_pcbconnect(inp, nam)
return ENETUNREACH;
}
+#if 0 /*NRL IPv6*/
if (ro->ro_rt->rt_ifa == NULL)
{
/*
@@ -1040,6 +1046,7 @@ in6_pcbconnect(inp, nam)
if (ro->ro_rt == NULL || ro->ro_rt->rt_ifa == NULL)
panic("Oops2, I'm forgetting something after verify_onlink().");
}
+#endif
/*
@@ -1076,13 +1083,13 @@ in6_pcbconnect(inp, nam)
{
struct in6_ifaddr *ti6a = NULL;
- for (i6a = in6_ifaddr; i6a; i6a = i6a->i6a_next)
+ for (i6a = in6_ifaddr; i6a; i6a = i6a->ia_next)
{
/* Find first (non-local if possible) address for
source usage. If multiple locals, use last one found. */
- if (IN6_IS_ADDR_LINKLOCAL(&I6A_SIN(i6a)->sin6_addr))
+ if (IN6_IS_ADDR_LINKLOCAL(&IA6_SIN6(i6a)->sin6_addr))
ti6a=i6a;
- else if (!IN6_IS_ADDR_LOOPBACK(&I6A_SIN(i6a)->sin6_addr))
+ else if (!IN6_IS_ADDR_LOOPBACK(&IA6_SIN6(i6a)->sin6_addr))
break;
}
if (i6a == NULL && ti6a != NULL)
@@ -1099,22 +1106,22 @@ in6_pcbconnect(inp, nam)
if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr) && inp->inp_moptions6 != NULL &&
(inp->inp_flags & INP_IPV6_MCAST))
{
- struct ipv6_moptions *i6mo;
+ struct ip6_moptions *im6o;
struct ifnet *ifp;
- i6mo = inp->inp_moptions6;
- if (i6mo->i6mo_multicast_ifp != NULL)
+ im6o = inp->inp_moptions6;
+ if (im6o->im6o_multicast_ifp != NULL)
{
- ifp = i6mo->i6mo_multicast_ifp;
- for (i6a = in6_ifaddr; i6a; i6a = i6a->i6a_next)
- if (i6a->i6a_ifp == ifp) /* Linkloc vs. global? */
+ ifp = im6o->im6o_multicast_ifp;
+ for (i6a = in6_ifaddr; i6a; i6a = i6a->ia_next)
+ if (i6a->ia_ifp == ifp) /* Linkloc vs. global? */
break;
if (i6a == NULL)
return EADDRNOTAVAIL;
}
}
- ifaddr = (struct sockaddr_in6 *)&i6a->i6a_addr;
+ ifaddr = (struct sockaddr_in6 *)&i6a->ia_addr;
}
#if __FreeBSD__
@@ -1155,7 +1162,7 @@ in6_pcbconnect(inp, nam)
/*
* Assumes user specify flowinfo in network order.
*/
- inp->inp_ipv6.ipv6_versfl = htonl(0x60000000) |
+ inp->inp_ipv6.ip6_flow = htonl(0x60000000) |
(sin6->sin6_flowinfo & htonl(0x0fffffff));
#if __NetBSD__
@@ -1175,6 +1182,139 @@ in6_pcbconnect(inp, nam)
#endif /* __FreeBSD__ */
return 0;
}
+#else
+{
+ struct in6_addr *in6a = NULL;
+ struct sockaddr_in6 *sin6 = mtod(nam, struct sockaddr_in6 *);
+ struct in6_pktinfo *pi;
+ struct ifnet *ifp = NULL; /* outgoing interface */
+ int error = 0;
+ struct in6_addr mapped;
+
+ (void)&in6a; /* XXX fool gcc */
+
+ if (nam->m_len != sizeof(*sin6))
+ return(EINVAL);
+ if (sin6->sin6_family != AF_INET6)
+ return(EAFNOSUPPORT);
+ if (sin6->sin6_port == 0)
+ return(EADDRNOTAVAIL);
+
+ /* sanity check for mapped address case */
+ if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
+ if (IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6))
+ inp->inp_laddr6.s6_addr16[5] = htons(0xffff);
+ if (!IN6_IS_ADDR_V4MAPPED(&inp->inp_laddr6))
+ return EINVAL;
+ } else {
+ if (IN6_IS_ADDR_V4MAPPED(&inp->inp_laddr6))
+ return EINVAL;
+ }
+
+ /*
+ * If the scope of the destination is link-local, embed the interface
+ * index in the address.
+ */
+ if (IN6_IS_SCOPE_LINKLOCAL(&sin6->sin6_addr)) {
+ /* XXX boundary check is assumed to be already done. */
+ /* XXX sin6_scope_id is weaker than advanced-api. */
+ if (inp->inp_outputopts6 &&
+ (pi = inp->inp_outputopts6->ip6po_pktinfo) &&
+ pi->ipi6_ifindex) {
+ sin6->sin6_addr.s6_addr16[1] = htons(pi->ipi6_ifindex);
+ ifp = ifindex2ifnet[pi->ipi6_ifindex];
+ }
+ else if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr) &&
+ inp->inp_moptions6 &&
+ inp->inp_moptions6->im6o_multicast_ifp) {
+ sin6->sin6_addr.s6_addr16[1] =
+ htons(inp->inp_moptions6->im6o_multicast_ifp->if_index);
+ ifp = ifindex2ifnet[inp->inp_moptions6->im6o_multicast_ifp->if_index];
+ } else if (sin6->sin6_scope_id) {
+ /* boundary check */
+ if (sin6->sin6_scope_id < 0
+ || if_index < sin6->sin6_scope_id) {
+ return ENXIO; /* XXX EINVAL? */
+ }
+ sin6->sin6_addr.s6_addr16[1]
+ = htons(sin6->sin6_scope_id & 0xffff);/*XXX*/
+ ifp = ifindex2ifnet[sin6->sin6_scope_id];
+ }
+ }
+
+ /* Source address selection. */
+ if (IN6_IS_ADDR_V4MAPPED(&inp->inp_laddr6)
+ && inp->inp_laddr6.s6_addr32[3] == 0) {
+ struct sockaddr_in sin, *sinp;
+
+ bzero(&sin, sizeof(sin));
+ sin.sin_len = sizeof(sin);
+ sin.sin_family = AF_INET;
+ bcopy(&sin6->sin6_addr.s6_addr32[3], &sin.sin_addr,
+ sizeof(sin.sin_addr));
+ sinp = in_selectsrc(&sin, (struct route *)&inp->inp_route6,
+ inp->inp_socket->so_options, NULL, &error);
+ if (sinp == 0) {
+ if (error == 0)
+ error = EADDRNOTAVAIL;
+ return(error);
+ }
+ bzero(&mapped, sizeof(mapped));
+ mapped.s6_addr16[5] = htons(0xffff);
+ bcopy(&sinp->sin_addr, &mapped.s6_addr32[3], sizeof(sinp->sin_addr));
+ in6a = &mapped;
+ } else {
+ /*
+ * XXX: in6_selectsrc might replace the bound local address
+ * with the address specified by setsockopt(IPV6_PKTINFO).
+ * Is it the intended behavior?
+ */
+ in6a = in6_selectsrc(sin6, inp->inp_outputopts6,
+ inp->inp_moptions6,
+ &inp->inp_route6,
+ &inp->inp_laddr6, &error);
+ if (in6a == 0) {
+ if (error == 0)
+ error = EADDRNOTAVAIL;
+ return(error);
+ }
+ }
+ if (inp->inp_route6.ro_rt)
+ ifp = inp->inp_route6.ro_rt->rt_ifp;
+
+ inp->inp_ipv6.ip6_hlim = (u_int8_t)in6_selecthlim(inp, ifp);
+
+ if (in_pcblookup(inp->inp_table,
+ &sin6->sin6_addr,
+ sin6->sin6_port,
+ IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6) ?
+ in6a : &inp->inp_laddr6,
+ inp->inp_lport,
+ INPLOOKUP_IPV6))
+ return(EADDRINUSE);
+ if (IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6)
+ || (IN6_IS_ADDR_V4MAPPED(&inp->inp_laddr6)
+ && inp->inp_laddr6.s6_addr32[3] == 0)) {
+ if (inp->inp_lport == 0)
+ (void)in6_pcbbind(inp, (struct mbuf *)0);
+ inp->inp_laddr6 = *in6a;
+ }
+ inp->inp_faddr6 = sin6->sin6_addr;
+ inp->inp_fport = sin6->sin6_port;
+ /*
+ * xxx kazu flowlabel is necessary for connect?
+ * but if this line is missing, the garbage value remains.
+ */
+ inp->inp_ipv6.ip6_flow = sin6->sin6_flowinfo;
+ /* configure NRL flags properly */
+ if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
+ inp->inp_flags |= INP_IPV6_MAPPED;
+ inp->inp_flags &= ~INP_IPV6_UNDEC;
+ }
+ in_pcbrehash(inp);
+ return(0);
+}
+#endif
/*----------------------------------------------------------------------
* Pass some notification to all connections of a protocol
@@ -1356,7 +1496,6 @@ in6_setsockaddr(inp, nam)
{
register struct sockaddr_in6 *sin6;
-
#if __FreeBSD__
/*
* In FreeBSD we have to allocate the sockaddr_in6 structure since we aren't
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.