/*
- * Copyright (c) 2000-2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/proc.h>
+#include <sys/mcache.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/systm.h>
#include <net/if.h>
+#include <net/net_api_stats.h>
#include <net/route.h>
#include <net/if_types.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/in_systm.h>
+#include <netinet/in_tclass.h>
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
-#include <netinet6/ip6_mroute.h>
#include <netinet/icmp6.h>
#include <netinet/in_pcb.h>
#include <netinet6/in6_pcb.h>
#include <netinet6/nd6.h>
#include <netinet6/ip6protosw.h>
-#if ENABLE_DEFAULT_SCOPE
#include <netinet6/scope6_var.h>
-#endif
#include <netinet6/raw_ip6.h>
-#include <netinet6/ip6_fw.h>
#if IPSEC
#include <netinet6/ipsec.h>
#include <netinet6/ipsec6.h>
-extern int ipsec_bypass;
#endif /*IPSEC*/
-#define satosin6(sa) ((struct sockaddr_in6 *)(sa))
-#define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa))
+#if NECP
+#include <net/necp.h>
+#endif
/*
* Raw interface to IP6 protocol.
extern struct inpcbinfo ripcbinfo;
extern u_int32_t rip_sendspace;
extern u_int32_t rip_recvspace;
-extern int ip6_raw_ctloutput(struct socket *so, struct sockopt *sopt);
struct rip6stat rip6stat;
int proto)
{
struct mbuf *m = *mp;
- register struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
- register struct inpcb *in6p;
+ struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
+ struct inpcb *in6p;
struct inpcb *last = 0;
struct mbuf *opts = NULL;
struct sockaddr_in6 rip6src;
int ret;
+ struct ifnet *ifp = m->m_pkthdr.rcvif;
- rip6stat.rip6s_ipackets++;
+ /* Expect 32-bit aligned data pointer on strict-align platforms */
+ MBUF_STRICT_DATA_ALIGNMENT_CHECK_32(m);
-#if defined(NFAITH) && 0 < NFAITH
- if (faithprefix(&ip6->ip6_dst)) {
- /* XXX send icmp6 host/port unreach? */
- m_freem(m);
- return IPPROTO_DONE;
- }
-#endif
+ rip6stat.rip6s_ipackets++;
init_sin6(&rip6src, m); /* general init */
- lck_rw_lock_shared(ripcbinfo.mtx);
+ lck_rw_lock_shared(ripcbinfo.ipi_lock);
LIST_FOREACH(in6p, &ripcb, inp_list) {
if ((in6p->in6p_vflag & INP_IPV6) == 0)
continue;
if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr) &&
!IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, &ip6->ip6_src))
continue;
- if (in6p->in6p_cksum != -1) {
+
+ if (inp_restricted_recv(in6p, ifp))
+ continue;
+
+ if (proto == IPPROTO_ICMPV6 || in6p->in6p_cksum != -1) {
rip6stat.rip6s_isum++;
if (in6_cksum(m, ip6->ip6_nxt, *offp,
m->m_pkthdr.len - *offp)) {
if (last) {
struct mbuf *n = m_copy(m, 0, (int)M_COPYALL);
-#if IPSEC
- /*
- * Check AH/ESP integrity.
- */
- if (ipsec_bypass == 0 && n && ipsec6_in_reject_so(n, last->inp_socket)) {
- m_freem(n);
- IPSEC_STAT_INCREMENT(ipsec6stat.in_polvio);
- /* do not inject data into pcb */
+#if NECP
+ if (n && !necp_socket_is_allowed_to_send_recv_v6(in6p, 0, 0,
+ &ip6->ip6_dst, &ip6->ip6_src, ifp, NULL, NULL)) {
+ m_freem(n);
+ /* do not inject data into pcb */
} else
-#endif /*IPSEC*/
+#endif /* NECP */
if (n) {
- if ((last->in6p_flags & IN6P_CONTROLOPTS) != 0 ||
+ if ((last->in6p_flags & INP_CONTROLOPTS) != 0 ||
(last->in6p_socket->so_options & SO_TIMESTAMP) != 0 ||
(last->in6p_socket->so_options & SO_TIMESTAMP_MONOTONIC) != 0) {
ret = ip6_savecontrol(last, n, &opts);
m_freem(opts);
last = in6p;
continue;
- }
+ }
}
/* strip intermediate headers */
m_adj(n, *offp);
}
last = in6p;
}
-
-#if IPSEC
- /*
- * Check AH/ESP integrity.
- */
- if (ipsec_bypass == 0 && last && ipsec6_in_reject_so(m, last->inp_socket)) {
- m_freem(m);
- IPSEC_STAT_INCREMENT(ipsec6stat.in_polvio);
- ip6stat.ip6s_delivered--;
- /* do not inject data into pcb */
+
+#if NECP
+ if (last && !necp_socket_is_allowed_to_send_recv_v6(in6p, 0, 0,
+ &ip6->ip6_dst, &ip6->ip6_src, ifp, NULL, NULL)) {
+ m_freem(m);
+ ip6stat.ip6s_delivered--;
+ /* do not inject data into pcb */
} else
-#endif /*IPSEC*/
+#endif /* NECP */
if (last) {
- if ((last->in6p_flags & IN6P_CONTROLOPTS) != 0 ||
+ if ((last->in6p_flags & INP_CONTROLOPTS) != 0 ||
(last->in6p_socket->so_options & SO_TIMESTAMP) != 0 ||
(last->in6p_socket->so_options & SO_TIMESTAMP_MONOTONIC) != 0) {
ret = ip6_savecontrol(last, m, &opts);
ip6stat.ip6s_delivered--;
goto unlock;
}
-
+
}
/* strip intermediate headers */
m_adj(m, *offp);
}
unlock:
- lck_rw_done(ripcbinfo.mtx);
+ lck_rw_done(ripcbinfo.ipi_lock);
return IPPROTO_DONE;
}
rip6_ctlinput(
int cmd,
struct sockaddr *sa,
- void *d)
+ void *d,
+ __unused struct ifnet *ifp)
{
struct ip6_hdr *ip6;
struct mbuf *m;
if ((unsigned)cmd >= PRC_NCMDS)
return;
- if (PRC_IS_REDIRECT(cmd))
- notify = in6_rtchange, d = NULL;
- else if (cmd == PRC_HOSTDEAD)
+ if (PRC_IS_REDIRECT(cmd)) {
+ notify = in6_rtchange;
+ d = NULL;
+ } else if (cmd == PRC_HOSTDEAD)
d = NULL;
else if (inet6ctlerrmap[cmd] == 0)
return;
*/
int
rip6_output(
- register struct mbuf *m,
+ struct mbuf *m,
struct socket *so,
struct sockaddr_in6 *dstsock,
struct mbuf *control,
struct inpcb *in6p;
u_int plen = m->m_pkthdr.len;
int error = 0;
- struct ip6_pktopts opt, *optp = 0;
+ struct ip6_pktopts opt, *optp = NULL;
struct ip6_moptions *im6o = NULL;
struct ifnet *oifp = NULL;
int type = 0, code = 0; /* for ICMPv6 output statistics only */
- mbuf_traffic_class_t mtc = MBUF_TC_UNSPEC;
- struct ip6_out_args ip6oa = { IFSCOPE_NONE, 0 };
+ int sotc = SO_TC_UNSPEC;
+ int netsvctype = _NET_SERVICE_TYPE_UNSPEC;
+ struct ip6_out_args ip6oa =
+ { IFSCOPE_NONE, { 0 }, IP6OAF_SELECT_SRCIF, 0, 0, 0 };
int flags = IPV6_OUTARGS;
- if (dstsock && IN6_IS_ADDR_V4MAPPED(&dstsock->sin6_addr)) {
- m_freem(m);
- return (EINVAL);
- }
-
in6p = sotoin6pcb(so);
- ip6oa.ip6oa_boundif = (in6p->inp_flags & INP_BOUND_IF) ?
- in6p->inp_boundif : IFSCOPE_NONE;
- ip6oa.ip6oa_nocell = (in6p->inp_flags & INP_NO_IFT_CELLULAR) ? 1 : 0;
+ if (in6p == NULL
+#if NECP
+ || (necp_socket_should_use_flow_divert(in6p))
+#endif /* NECP */
+ ) {
+ if (in6p == NULL)
+ error = EINVAL;
+ else
+ error = EPROTOTYPE;
+ goto bad;
+ }
+ if (dstsock != NULL && IN6_IS_ADDR_V4MAPPED(&dstsock->sin6_addr)) {
+ error = EINVAL;
+ goto bad;
+ }
+
+ if (in6p->inp_flags & INP_BOUND_IF) {
+ ip6oa.ip6oa_boundif = in6p->inp_boundifp->if_index;
+ ip6oa.ip6oa_flags |= IP6OAF_BOUND_IF;
+ }
+ if (INP_NO_CELLULAR(in6p))
+ ip6oa.ip6oa_flags |= IP6OAF_NO_CELLULAR;
+ if (INP_NO_EXPENSIVE(in6p))
+ ip6oa.ip6oa_flags |= IP6OAF_NO_EXPENSIVE;
+ if (INP_AWDL_UNRESTRICTED(in6p))
+ ip6oa.ip6oa_flags |= IP6OAF_AWDL_UNRESTRICTED;
+ if (INP_INTCOPROC_ALLOWED(in6p))
+ ip6oa.ip6oa_flags |= IP6OAF_INTCOPROC_ALLOWED;
dst = &dstsock->sin6_addr;
if (control) {
- mtc = mbuf_traffic_class_from_control(control);
+ sotc = so_tc_from_control(control, &netsvctype);
- if ((error = ip6_setpktopts(control, &opt, NULL, so->so_proto->pr_protocol)) != 0)
+ if ((error = ip6_setpktopts(control, &opt, NULL,
+ SOCK_PROTO(so))) != 0)
goto bad;
optp = &opt;
} else
optp = in6p->in6p_outputopts;
+ if (sotc == SO_TC_UNSPEC) {
+ sotc = so->so_traffic_class;
+ netsvctype = so->so_netsvctype;
+ }
+ ip6oa.ip6oa_sotc = sotc;
+ ip6oa.ip6oa_netsvctype = netsvctype;
/*
* For an ICMPv6 packet, we should know its type and code
* to update statistics.
*/
- if (so->so_proto->pr_protocol == IPPROTO_ICMPV6) {
+ if (SOCK_PROTO(so) == IPPROTO_ICMPV6) {
struct icmp6_hdr *icmp6;
if (m->m_len < sizeof(struct icmp6_hdr) &&
(m = m_pullup(m, sizeof(struct icmp6_hdr))) == NULL) {
code = icmp6->icmp6_code;
}
- M_PREPEND(m, sizeof(*ip6), M_WAIT);
+ if (in6p->inp_flowhash == 0)
+ in6p->inp_flowhash = inp_calc_flowhash(in6p);
+ /* update flowinfo - RFC 6437 */
+ if (in6p->inp_flow == 0 && in6p->in6p_flags & IN6P_AUTOFLOWLABEL) {
+ in6p->inp_flow &= ~IPV6_FLOWLABEL_MASK;
+ in6p->inp_flow |=
+ (htonl(in6p->inp_flowhash) & IPV6_FLOWLABEL_MASK);
+ }
+
+ M_PREPEND(m, sizeof(*ip6), M_WAIT, 1);
if (m == NULL) {
error = ENOBUFS;
goto bad;
ifnet_reference(oifp);
ip6->ip6_dst.s6_addr16[1] = htons(oifp->if_index);
} else if (dstsock->sin6_scope_id) {
- /*
- * boundary check
+ /*
+ * boundary check
*
* Sinced stsock->sin6_scope_id is unsigned, we don't
* need to check if it's < 0
struct in6_addr *in6a;
struct in6_addr storage;
u_short index = 0;
-
+
if (israw != 0 && optp && optp->ip6po_pktinfo && !IN6_IS_ADDR_UNSPECIFIED(&optp->ip6po_pktinfo->ipi6_addr)) {
in6a = &optp->ip6po_pktinfo->ipi6_addr;
flags |= IPV6_FLAG_NOSRCIFSEL;
if (error == 0)
error = EADDRNOTAVAIL;
goto bad;
+ } else {
+ ip6oa.ip6oa_flags |= IP6OAF_BOUND_SRCADDR;
}
ip6->ip6_src = *in6a;
if (in6p->in6p_route.ro_rt != NULL) {
}
}
ip6->ip6_flow = (ip6->ip6_flow & ~IPV6_FLOWINFO_MASK) |
- (in6p->in6p_flowinfo & IPV6_FLOWINFO_MASK);
+ (in6p->inp_flow & IPV6_FLOWINFO_MASK);
ip6->ip6_vfc = (ip6->ip6_vfc & ~IPV6_VERSION_MASK) |
(IPV6_VERSION & IPV6_VERSION_MASK);
/* ip6_plen will be filled in ip6_output, so not fill it here. */
ip6->ip6_nxt = in6p->in6p_ip6_nxt;
ip6->ip6_hlim = in6_selecthlim(in6p, oifp);
- if (so->so_proto->pr_protocol == IPPROTO_ICMPV6 ||
- in6p->in6p_cksum != -1) {
+ if (SOCK_PROTO(so) == IPPROTO_ICMPV6 || in6p->in6p_cksum != -1) {
struct mbuf *n;
int off;
u_int16_t *p;
/* compute checksum */
- if (so->so_proto->pr_protocol == IPPROTO_ICMPV6)
+ if (SOCK_PROTO(so) == IPPROTO_ICMPV6)
off = offsetof(struct icmp6_hdr, icmp6_cksum);
else
off = in6p->in6p_cksum;
}
if (!n)
goto bad;
- p = (u_int16_t *)(mtod(n, caddr_t) + off);
+ p = (u_int16_t *)(void *)(mtod(n, caddr_t) + off);
*p = 0;
*p = in6_cksum(m, ip6->ip6_nxt, sizeof(*ip6), plen);
}
+#if NECP
+ {
+ necp_kernel_policy_id policy_id;
+ u_int32_t route_rule_id;
+
+ /*
+ * We need a route to perform NECP route rule checks
+ */
+ if (net_qos_policy_restricted != 0 &&
+ ROUTE_UNUSABLE(&in6p->in6p_route)) {
+ struct sockaddr_in6 to;
+ struct sockaddr_in6 from;
+
+ ROUTE_RELEASE(&in6p->in6p_route);
+
+ bzero(&from, sizeof(struct sockaddr_in6));
+ from.sin6_family = AF_INET6;
+ from.sin6_len = sizeof(struct sockaddr_in6);
+ from.sin6_addr = ip6->ip6_src;
+
+ bzero(&to, sizeof(struct sockaddr_in6));
+ to.sin6_family = AF_INET6;
+ to.sin6_len = sizeof(struct sockaddr_in6);
+ to.sin6_addr = ip6->ip6_dst;
+
+ in6p->in6p_route.ro_dst.sin6_family = AF_INET6;
+ in6p->in6p_route.ro_dst.sin6_len = sizeof(struct sockaddr_in6);
+ ((struct sockaddr_in6 *)(void *)&in6p->in6p_route.ro_dst)->sin6_addr =
+ ip6->ip6_dst;
+
+ rtalloc_scoped((struct route *)&in6p->in6p_route, ip6oa.ip6oa_boundif);
+
+ inp_update_necp_policy(in6p, (struct sockaddr *)&from,
+ (struct sockaddr *)&to, ip6oa.ip6oa_boundif);
+ in6p->inp_policyresult.results.qos_marking_gencount = 0;
+ }
+
+ if (!necp_socket_is_allowed_to_send_recv_v6(in6p, 0, 0,
+ &ip6->ip6_src, &ip6->ip6_dst, NULL, &policy_id, &route_rule_id)) {
+ error = EHOSTUNREACH;
+ goto bad;
+ }
+
+ necp_mark_packet_from_socket(m, in6p, policy_id, route_rule_id);
+
+ if (net_qos_policy_restricted != 0) {
+ necp_socket_update_qos_marking(in6p, in6p->in6p_route.ro_rt,
+ NULL, route_rule_id);
+ }
+ }
+#endif /* NECP */
+ if ((so->so_flags1 & SOF1_QOSMARKING_ALLOWED))
+ ip6oa.ip6oa_flags |= IP6OAF_QOSMARKING_ALLOWED;
+
#if IPSEC
- if (ipsec_bypass == 0 && ipsec_setsocket(m, so) != 0) {
+ if (in6p->in6p_sp != NULL && ipsec_setsocket(m, so) != 0) {
error = ENOBUFS;
goto bad;
}
#endif /*IPSEC*/
- if (in6p->in6p_route.ro_rt != NULL &&
- in6p->in6p_route.ro_rt->generation_id != route_generation) {
- rtfree(in6p->in6p_route.ro_rt);
- in6p->in6p_route.ro_rt = NULL;
- }
+ if (ROUTE_UNUSABLE(&in6p->in6p_route))
+ ROUTE_RELEASE(&in6p->in6p_route);
if (oifp != NULL) {
ifnet_release(oifp);
oifp = NULL;
}
- set_packet_tclass(m, so, mtc, 1);
-
+ set_packet_service_class(m, so, sotc, PKT_SCF_IPV6);
+ m->m_pkthdr.pkt_flowsrc = FLOWSRC_INPCB;
+ m->m_pkthdr.pkt_flowid = in6p->inp_flowhash;
+ m->m_pkthdr.pkt_flags |= (PKTF_FLOW_ID | PKTF_FLOW_LOCALSRC |
+ PKTF_FLOW_RAWSOCK);
+ m->m_pkthdr.pkt_proto = in6p->in6p_ip6_nxt;
+
if (im6o != NULL)
IM6O_ADDREF(im6o);
if (in6p->in6p_route.ro_rt != NULL) {
struct rtentry *rt = in6p->in6p_route.ro_rt;
- unsigned int outif;
+ struct ifnet *outif;
if ((rt->rt_flags & RTF_MULTICAST) ||
in6p->in6p_socket == NULL ||
* Always discard the cached route for unconnected
* socket or if it is a multicast route.
*/
- if (rt == NULL) {
- rtfree(in6p->in6p_route.ro_rt);
- in6p->in6p_route.ro_rt = NULL;
- }
+ if (rt == NULL)
+ ROUTE_RELEASE(&in6p->in6p_route);
+
/*
* If this is a connected socket and the destination
* route is not multicast, update outif with that of
* the route interface index used by IP.
*/
if (rt != NULL &&
- (outif = rt->rt_ifp->if_index) != in6p->in6p_last_outif)
- in6p->in6p_last_outif = outif;
+ (outif = rt->rt_ifp) != in6p->in6p_last_outifp) {
+ in6p->in6p_last_outifp = outif;
+ }
+ } else {
+ ROUTE_RELEASE(&in6p->in6p_route);
}
- if (so->so_proto->pr_protocol == IPPROTO_ICMPV6) {
+ /*
+ * If output interface was cellular/expensive, and this socket is
+ * denied access to it, generate an event.
+ */
+ if (error != 0 && (ip6oa.ip6oa_retflags & IP6OARF_IFDENIED) &&
+ (INP_NO_CELLULAR(in6p) || INP_NO_EXPENSIVE(in6p)))
+ soevent(in6p->inp_socket, (SO_FILT_HINT_LOCKED|
+ SO_FILT_HINT_IFDENIED));
+
+ if (SOCK_PROTO(so) == IPPROTO_ICMPV6) {
if (oifp)
icmp6_ifoutstat_inc(oifp, type, code);
icmp6stat.icp6s_outhist[type]++;
goto freectl;
- bad:
- if (m)
+bad:
+ if (m != NULL)
m_freem(m);
- freectl:
- if (optp == &opt && optp->ip6po_rthdr && optp->ip6po_route.ro_rt) {
- rtfree(optp->ip6po_route.ro_rt);
- optp->ip6po_route.ro_rt = NULL;
- }
- if (control) {
+freectl:
+ if (optp == &opt && optp->ip6po_rthdr)
+ ROUTE_RELEASE(&optp->ip6po_route);
+
+ if (control != NULL) {
if (optp == &opt)
ip6_clearpktopts(optp, -1);
m_freem(control);
return(error);
}
-#if IPFW2
-__private_extern__ void
-load_ip6fw(void)
-{
- ip6_fw_init();
-}
-#endif
-
/*
* Raw IPv6 socket option processing.
*/
struct socket *so,
struct sockopt *sopt)
{
- int error;
+ int error, optval;
+ /* Allow <SOL_SOCKET,SO_FLUSH> at this level */
if (sopt->sopt_level == IPPROTO_ICMPV6)
/*
* XXX: is it better to call icmp6_ctloutput() directly
* from protosw?
*/
return(icmp6_ctloutput(so, sopt));
- else if (sopt->sopt_level != IPPROTO_IPV6)
+ else if (sopt->sopt_level != IPPROTO_IPV6 &&
+ !(sopt->sopt_level == SOL_SOCKET && sopt->sopt_name == SO_FLUSH))
return (EINVAL);
error = 0;
switch (sopt->sopt_dir) {
case SOPT_GET:
switch (sopt->sopt_name) {
-#if IPFW2
- case IPV6_FW_ADD:
- case IPV6_FW_GET:
- if (ip6_fw_ctl_ptr == 0)
- load_ip6fw();
- if (ip6_fw_ctl_ptr)
- error = ip6_fw_ctl_ptr(sopt);
- else
- error = ENOPROTOOPT;
- break;
-#endif
-
- case MRT6_INIT:
- case MRT6_DONE:
- case MRT6_ADD_MIF:
- case MRT6_DEL_MIF:
- case MRT6_ADD_MFC:
- case MRT6_DEL_MFC:
- case MRT6_PIM:
-#if MROUTING
- error = ip6_mrouter_get(so, sopt);
-#else
- error = ENOPROTOOPT;
-#endif /* MROUTING */
- break;
case IPV6_CHECKSUM:
error = ip6_raw_ctloutput(so, sopt);
break;
case SOPT_SET:
switch (sopt->sopt_name) {
-#if IPFW2
- case IPV6_FW_ADD:
- case IPV6_FW_DEL:
- case IPV6_FW_FLUSH:
- case IPV6_FW_ZERO:
- if (ip6_fw_ctl_ptr == 0)
- load_ip6fw();
- if (ip6_fw_ctl_ptr)
- error = ip6_fw_ctl_ptr(sopt);
- else
- error = ENOPROTOOPT;
- break;
-#endif
-
- case MRT6_INIT:
- case MRT6_DONE:
- case MRT6_ADD_MIF:
- case MRT6_DEL_MIF:
- case MRT6_ADD_MFC:
- case MRT6_DEL_MFC:
- case MRT6_PIM:
-#if MROUTING
- error = ip6_mrouter_set(so, sopt);
-#else
- error = ENOPROTOOPT;
-#endif
- break;
case IPV6_CHECKSUM:
error = ip6_raw_ctloutput(so, sopt);
break;
+
+ case SO_FLUSH:
+ if ((error = sooptcopyin(sopt, &optval, sizeof (optval),
+ sizeof (optval))) != 0)
+ break;
+
+ error = inp_flush(sotoinpcb(so), optval);
+ break;
+
default:
error = ip6_ctloutput(so, sopt);
break;
if (inp == 0)
panic("rip6_detach");
/* xxx: RSVP */
-#if MROUTING
- if (so == ip6_mrouter)
- ip6_mrouter_done();
-#endif
if (inp->in6p_icmp6filt) {
FREE(inp->in6p_icmp6filt, M_PCB);
inp->in6p_icmp6filt = NULL;
}
static int
-rip6_bind(struct socket *so, struct sockaddr *nam, __unused struct proc *p)
+rip6_bind(struct socket *so, struct sockaddr *nam, struct proc *p)
{
+#pragma unused(p)
struct inpcb *inp = sotoinpcb(so);
- struct sockaddr_in6 *addr = (struct sockaddr_in6 *)nam;
+ struct sockaddr_in6 sin6;
struct ifaddr *ifa = NULL;
- unsigned int outif = 0;
+ struct ifnet *outif = NULL;
+ int error;
- if (nam->sa_len != sizeof(*addr))
- return EINVAL;
+ if (inp == NULL
+#if NECP
+ || (necp_socket_should_use_flow_divert(inp))
+#endif /* NECP */
+ )
+ return (inp == NULL ? EINVAL : EPROTOTYPE);
- if (TAILQ_EMPTY(&ifnet_head) || addr->sin6_family != AF_INET6)
- return EADDRNOTAVAIL;
-#if ENABLE_DEFAULT_SCOPE
- if (addr->sin6_scope_id == 0) { /* not change if specified */
- addr->sin6_scope_id = scope6_addr2default(&addr->sin6_addr);
- }
-#endif
- if (!IN6_IS_ADDR_UNSPECIFIED(&addr->sin6_addr) &&
- (ifa = ifa_ifwithaddr((struct sockaddr *)addr)) == 0)
- return EADDRNOTAVAIL;
+ if (nam->sa_len != sizeof (struct sockaddr_in6))
+ return (EINVAL);
+
+ if (TAILQ_EMPTY(&ifnet_head) || SIN6(nam)->sin6_family != AF_INET6)
+ return (EADDRNOTAVAIL);
+
+ bzero(&sin6, sizeof (sin6));
+ *(&sin6) = *SIN6(nam);
+
+ if ((error = sa6_embedscope(&sin6, ip6_use_defzone)) != 0)
+ return (error);
+
+ /* Sanitize local copy for address searches */
+ sin6.sin6_flowinfo = 0;
+ sin6.sin6_scope_id = 0;
+ sin6.sin6_port = 0;
+
+ if (!IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr) &&
+ (ifa = ifa_ifwithaddr(SA(&sin6))) == 0)
+ return (EADDRNOTAVAIL);
if (ifa != NULL) {
IFA_LOCK(ifa);
if (((struct in6_ifaddr *)ifa)->ia6_flags &
IN6_IFF_DETACHED|IN6_IFF_DEPRECATED)) {
IFA_UNLOCK(ifa);
IFA_REMREF(ifa);
- return(EADDRNOTAVAIL);
+ return (EADDRNOTAVAIL);
}
- outif = ifa->ifa_ifp->if_index;
+ outif = ifa->ifa_ifp;
IFA_UNLOCK(ifa);
IFA_REMREF(ifa);
}
- inp->in6p_laddr = addr->sin6_addr;
- inp->in6p_last_outif = outif;
- return 0;
+ inp->in6p_laddr = sin6.sin6_addr;
+ inp->in6p_last_outifp = outif;
+
+ return (0);
}
static int
rip6_connect(struct socket *so, struct sockaddr *nam, __unused struct proc *p)
{
struct inpcb *inp = sotoinpcb(so);
- struct sockaddr_in6 *addr = (struct sockaddr_in6 *)nam;
+ struct sockaddr_in6 *addr = (struct sockaddr_in6 *)(void *)nam;
struct in6_addr *in6a = NULL;
struct in6_addr storage;
int error = 0;
#if ENABLE_DEFAULT_SCOPE
struct sockaddr_in6 tmp;
#endif
- unsigned int outif = 0, ifscope;
-
+ unsigned int ifscope;
+ struct ifnet *outif = NULL;
+
+ if (inp == NULL
+#if NECP
+ || (necp_socket_should_use_flow_divert(inp))
+#endif /* NECP */
+ )
+ return (inp == NULL ? EINVAL : EPROTOTYPE);
if (nam->sa_len != sizeof(*addr))
return EINVAL;
if (TAILQ_EMPTY(&ifnet_head))
return EADDRNOTAVAIL;
if (addr->sin6_family != AF_INET6)
return EAFNOSUPPORT;
+
+ if (!(so->so_flags1 & SOF1_CONNECT_COUNTED)) {
+ so->so_flags1 |= SOF1_CONNECT_COUNTED;
+ INC_ATOMIC_INT64_LIM(net_api_stats.nas_socket_inet6_dgram_connected);
+ }
+
#if ENABLE_DEFAULT_SCOPE
if (addr->sin6_scope_id == 0) { /* not change if specified */
/* avoid overwrites */
}
#endif
+ /* KAME hack: embed scopeid */
+ if (in6_embedscope(&SIN6(nam)->sin6_addr, SIN6(nam), inp, NULL, NULL) != 0)
+ return (EINVAL);
+
ifscope = (inp->inp_flags & INP_BOUND_IF) ?
- inp->inp_boundif : IFSCOPE_NONE;
+ inp->inp_boundifp->if_index : IFSCOPE_NONE;
/* Source address selection. XXX: need pcblookup? */
in6a = in6_selectsrc(addr, inp->in6p_outputopts, inp, &inp->in6p_route,
inp->in6p_laddr = *in6a;
inp->in6p_faddr = addr->sin6_addr;
if (inp->in6p_route.ro_rt != NULL)
- outif = inp->in6p_route.ro_rt->rt_ifp->if_index;
- inp->in6p_last_outif = outif;
+ outif = inp->in6p_route.ro_rt->rt_ifp;
+ inp->in6p_last_outifp = outif;
+
soisconnected(so);
return 0;
}
static int
rip6_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
- struct mbuf *control, struct proc *p)
+ struct mbuf *control, struct proc *p)
{
#pragma unused(flags, p)
struct inpcb *inp = sotoinpcb(so);
struct sockaddr_in6 tmp;
- struct sockaddr_in6 *dst = (struct sockaddr_in6 *)nam;
+ struct sockaddr_in6 *dst = (struct sockaddr_in6 *)(void *)nam;
+ int error = 0;
+
+ if (inp == NULL
+#if NECP
+ || (necp_socket_should_use_flow_divert(inp))
+#endif /* NECP */
+ ) {
+ if (inp == NULL)
+ error = EINVAL;
+ else
+ error = EPROTOTYPE;
+ goto bad;
+ }
/* always copy sockaddr to avoid overwrites */
if (so->so_state & SS_ISCONNECTED) {
- if (nam) {
- m_freem(m);
- return EISCONN;
+ if (nam != NULL) {
+ error = EISCONN;
+ goto bad;
}
/* XXX */
bzero(&tmp, sizeof(tmp));
dst = &tmp;
} else {
if (nam == NULL) {
- m_freem(m);
- return ENOTCONN;
+ error = ENOTCONN;
+ goto bad;
}
- tmp = *(struct sockaddr_in6 *)nam;
+ tmp = *(struct sockaddr_in6 *)(void *)nam;
dst = &tmp;
}
#if ENABLE_DEFAULT_SCOPE
dst->sin6_scope_id = scope6_addr2default(&dst->sin6_addr);
}
#endif
- return rip6_output(m, so, dst, control, 1);
+ return (rip6_output(m, so, dst, control, 1));
+
+bad:
+ VERIFY(error != 0);
+
+ if (m != NULL)
+ m_freem(m);
+ if (control != NULL)
+ m_freem(control);
+
+ return (error);
}
struct pr_usrreqs rip6_usrreqs = {
- rip6_abort, pru_accept_notsupp, rip6_attach, rip6_bind, rip6_connect,
- pru_connect2_notsupp, in6_control, rip6_detach, rip6_disconnect,
- pru_listen_notsupp, in6_setpeeraddr, pru_rcvd_notsupp,
- pru_rcvoob_notsupp, rip6_send, pru_sense_null, rip6_shutdown,
- in6_setsockaddr, sosend, soreceive, pru_sopoll_notsupp
+ .pru_abort = rip6_abort,
+ .pru_attach = rip6_attach,
+ .pru_bind = rip6_bind,
+ .pru_connect = rip6_connect,
+ .pru_control = in6_control,
+ .pru_detach = rip6_detach,
+ .pru_disconnect = rip6_disconnect,
+ .pru_peeraddr = in6_getpeeraddr,
+ .pru_send = rip6_send,
+ .pru_shutdown = rip6_shutdown,
+ .pru_sockaddr = in6_getsockaddr,
+ .pru_sosend = sosend,
+ .pru_soreceive = soreceive,
};
__private_extern__ struct pr_usrreqs icmp6_dgram_usrreqs = {
- rip6_abort, pru_accept_notsupp, icmp6_dgram_attach, rip6_bind, rip6_connect,
- pru_connect2_notsupp, in6_control, rip6_detach, rip6_disconnect,
- pru_listen_notsupp, in6_setpeeraddr, pru_rcvd_notsupp,
- pru_rcvoob_notsupp, icmp6_dgram_send, pru_sense_null, rip6_shutdown,
- in6_setsockaddr, sosend, soreceive, pru_sopoll_notsupp
+ .pru_abort = rip6_abort,
+ .pru_attach = icmp6_dgram_attach,
+ .pru_bind = rip6_bind,
+ .pru_connect = rip6_connect,
+ .pru_control = in6_control,
+ .pru_detach = rip6_detach,
+ .pru_disconnect = rip6_disconnect,
+ .pru_peeraddr = in6_getpeeraddr,
+ .pru_send = icmp6_dgram_send,
+ .pru_shutdown = rip6_shutdown,
+ .pru_sockaddr = in6_getsockaddr,
+ .pru_sosend = sosend,
+ .pru_soreceive = soreceive,
};
-
-
-
projects / apple / xnu.git / blobdiff