/*
- * Copyright (c) 2008-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2008-2019 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@
*/
-/* $FreeBSD: src/sys/netinet6/in6_proto.c,v 1.19 2002/10/16 02:25:05 sam Exp $ */
-/* $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ */
-
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
#include <net/if.h>
#include <net/radix.h>
#include <net/route.h>
+#include <net/nat464_utils.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip_var.h>
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
+#include <netinet6/in6_var.h>
#include <netinet/icmp6.h>
#include <netinet/tcp.h>
#include <netinet6/tcp6_var.h>
#include <netinet6/raw_ip6.h>
#include <netinet6/udp6_var.h>
-#include <netinet6/pim6_var.h>
#include <netinet6/nd6.h>
-#include <netinet6/in6_prefix.h>
-
-#include <netinet6/ip6_mroute.h>
+#include <netinet6/mld6_var.h>
#if IPSEC
#include <netinet6/ipsec.h>
#include <netinet6/esp6.h>
#endif
#endif
-#include <netinet6/ipcomp.h>
-#if INET6
-#include <netinet6/ipcomp6.h>
-#endif
#endif /*IPSEC*/
#include <netinet6/ip6protosw.h>
* TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
*/
-extern struct domain inet6domain;
+extern struct domain inet6domain_s;
+struct domain *inet6domain = NULL;
+
static struct pr_usrreqs nousrreqs;
lck_mtx_t *inet6_domain_mutex;
-#define PR_LISTEN 0
-#define PR_ABRTACPTDIS 0
-
-extern int in6_inithead(void **, int);
-void in6_dinit(void) __attribute__((section("__TEXT, initcode")));
-
-static int rip6_pr_output(struct mbuf *m, struct socket *so, struct sockaddr_in6 *, struct mbuf *);
+static void in6_dinit(struct domain *);
+static int rip6_pr_output(struct mbuf *, struct socket *,
+ struct sockaddr_in6 *, struct mbuf *);
struct ip6protosw inet6sw[] = {
-{ 0, &inet6domain, IPPROTO_IPV6, 0,
- 0, 0, 0, 0,
- 0,
- ip6_init, 0, frag6_slowtimo, frag6_drain,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_DGRAM, &inet6domain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR|PR_PROTOLOCK|PR_PCBLOCK,
- udp6_input, 0, udp6_ctlinput, ip6_ctloutput,
- 0,
- 0, 0, 0, 0,
- 0,
- &udp6_usrreqs,
- udp_lock, udp_unlock, udp_getlock,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_STREAM, &inet6domain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN|PR_PROTOLOCK|PR_PCBLOCK|PR_DISPOSE,
- tcp6_input, 0, tcp6_ctlinput, tcp_ctloutput,
- 0,
-#if INET /* don't call initialization and timeout routines twice */
- 0, 0, 0, tcp_drain,
-#else
- tcp_init, 0, tcp_slowtimo, tcp_drain,
-#endif
- 0,
- &tcp6_usrreqs,
- tcp_lock, tcp_unlock, tcp_getlock,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_RAW, &inet6domain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
- rip6_input, rip6_pr_output, rip6_ctlinput, rip6_ctloutput,
- 0,
- 0, 0, 0, 0,
- 0,
- &rip6_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_RAW, &inet6domain, IPPROTO_ICMPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- icmp6_input, rip6_pr_output, rip6_ctlinput, rip6_ctloutput,
- 0,
- icmp6_init, icmp6_fasttimo, 0, 0,
- 0,
- &rip6_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_DGRAM, &inet6domain, IPPROTO_ICMPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- icmp6_input, rip6_pr_output, rip6_ctlinput, icmp6_dgram_ctloutput,
- 0,
- icmp6_init, icmp6_fasttimo, 0, 0,
- 0,
- &icmp6_dgram_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_RAW, &inet6domain, IPPROTO_DSTOPTS,PR_ATOMIC|PR_ADDR,
- dest6_input, 0, 0, 0,
- 0,
- 0, 0, 0, 0,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_RAW, &inet6domain, IPPROTO_ROUTING,PR_ATOMIC|PR_ADDR,
- route6_input, 0, 0, 0,
- 0,
- 0, 0, 0, 0,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
-{ SOCK_RAW, &inet6domain, IPPROTO_FRAGMENT,PR_ATOMIC|PR_ADDR,
- frag6_input, 0, 0, 0,
- 0,
- 0, 0, 0, 0,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
+ {
+ .pr_type = 0,
+ .pr_protocol = IPPROTO_IPV6,
+ .pr_init = ip6_init,
+ .pr_drain = ip6_drain,
+ .pr_usrreqs = &nousrreqs,
+ },
+ {
+ .pr_type = SOCK_DGRAM,
+ .pr_protocol = IPPROTO_UDP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK | PR_PCBLOCK |
+ PR_EVCONNINFO | PR_PRECONN_WRITE,
+ .pr_input = udp6_input,
+ .pr_ctlinput = udp6_ctlinput,
+ .pr_ctloutput = ip6_ctloutput,
+#if !INET /* don't call initialization twice */
+ .pr_init = udp_init,
+#endif /* !INET */
+ .pr_usrreqs = &udp6_usrreqs,
+ .pr_lock = udp_lock,
+ .pr_unlock = udp_unlock,
+ .pr_getlock = udp_getlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_STREAM,
+ .pr_protocol = IPPROTO_TCP,
+ .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD | PR_PCBLOCK |
+ PR_PROTOLOCK | PR_DISPOSE | PR_EVCONNINFO |
+ PR_PRECONN_WRITE | PR_DATA_IDEMPOTENT,
+ .pr_input = tcp6_input,
+ .pr_ctlinput = tcp6_ctlinput,
+ .pr_ctloutput = tcp_ctloutput,
+#if !INET /* don't call initialization and timeout routines twice */
+ .pr_init = tcp_init,
+#endif /* !INET */
+ .pr_drain = tcp_drain,
+ .pr_usrreqs = &tcp6_usrreqs,
+ .pr_lock = tcp_lock,
+ .pr_unlock = tcp_unlock,
+ .pr_getlock = tcp_getlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_RAW,
+ .pr_flags = PR_ATOMIC | PR_ADDR,
+ .pr_input = rip6_input,
+ .pr_output = rip6_pr_output,
+ .pr_ctlinput = rip6_ctlinput,
+ .pr_ctloutput = rip6_ctloutput,
+#if !INET /* don't call initialization and timeout routines twice */
+ .pr_init = rip_init,
+#endif /* !INET */
+ .pr_usrreqs = &rip6_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_ICMPV6,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = icmp6_input,
+ .pr_output = rip6_pr_output,
+ .pr_ctlinput = rip6_ctlinput,
+ .pr_ctloutput = rip6_ctloutput,
+ .pr_init = icmp6_init,
+ .pr_usrreqs = &rip6_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_DGRAM,
+ .pr_protocol = IPPROTO_ICMPV6,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = icmp6_input,
+ .pr_output = rip6_pr_output,
+ .pr_ctlinput = rip6_ctlinput,
+ .pr_ctloutput = icmp6_dgram_ctloutput,
+ .pr_init = icmp6_init,
+ .pr_usrreqs = &icmp6_dgram_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_DSTOPTS,
+ .pr_flags = PR_ATOMIC | PR_ADDR,
+ .pr_input = dest6_input,
+ .pr_usrreqs = &nousrreqs,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_ROUTING,
+ .pr_flags = PR_ATOMIC | PR_ADDR,
+ .pr_input = route6_input,
+ .pr_usrreqs = &nousrreqs,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_FRAGMENT,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK,
+ .pr_input = frag6_input,
+ .pr_usrreqs = &nousrreqs,
+ },
#if IPSEC
-{ SOCK_RAW, &inet6domain, IPPROTO_AH, PR_ATOMIC|PR_ADDR|PR_PROTOLOCK,
- ah6_input, 0, 0, 0,
- 0,
- 0, 0, 0, 0,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_AH,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK,
+ .pr_input = ah6_input,
+ .pr_usrreqs = &nousrreqs,
+ },
#if IPSEC_ESP
-{ SOCK_RAW, &inet6domain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR|PR_PROTOLOCK,
- esp6_input, 0,
- esp6_ctlinput,
- 0,
- 0,
- 0, 0, 0, 0,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
-#endif
-{ SOCK_RAW, &inet6domain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR|PR_PROTOLOCK,
- ipcomp6_input, 0, 0, 0,
- 0,
- 0, 0, 0, 0,
- 0,
- &nousrreqs,
- 0, 0, 0,
- { 0, 0 }, NULL, { 0 }
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_ESP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK,
+ .pr_input = esp6_input,
+ .pr_ctlinput = esp6_ctlinput,
+ .pr_usrreqs = &nousrreqs,
+ },
+#endif /* IPSEC_ESP */
#endif /* IPSEC */
#if INET
-{ SOCK_RAW, &inet6domain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- encap6_input, rip6_pr_output, 0, rip6_ctloutput,
- 0,
- encap_init, 0, 0, 0,
- 0,
- &rip6_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_IPV4,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = encap6_input,
+ .pr_output = rip6_pr_output,
+ .pr_ctloutput = rip6_ctloutput,
+ .pr_init = encap6_init,
+ .pr_usrreqs = &rip6_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
#endif /*INET*/
-{ SOCK_RAW, &inet6domain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- encap6_input, rip6_pr_output, 0, rip6_ctloutput,
- 0,
- encap_init, 0, 0, 0,
- 0,
- &rip6_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
-#if MROUTING
-{ SOCK_RAW, &inet6domain, IPPROTO_PIM, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- pim6_input, rip6_pr_output, 0, rip6_ctloutput,
- 0,
- 0, 0, 0, 0,
- 0,
- &rip6_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
-#endif
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_IPV6,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = encap6_input,
+ .pr_output = rip6_pr_output,
+ .pr_ctloutput = rip6_ctloutput,
+ .pr_init = encap6_init,
+ .pr_usrreqs = &rip6_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
/* raw wildcard */
-{ SOCK_RAW, &inet6domain, 0, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- rip6_input, rip6_pr_output, 0, rip6_ctloutput,
- 0,
- 0, 0, 0, 0,
- 0,
- &rip6_usrreqs,
- 0, rip_unlock, 0,
- { 0, 0 }, NULL, { 0 }
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = 0,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = rip6_input,
+ .pr_output = rip6_pr_output,
+ .pr_ctloutput = rip6_ctloutput,
+ .pr_usrreqs = &rip6_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
};
-
-int in6_proto_count = (sizeof (inet6sw) / sizeof (struct ip6protosw));
-
-struct domain inet6domain =
- { AF_INET6, "internet6", in6_dinit, 0, 0,
- (struct protosw *)inet6sw, 0,
- in6_inithead, offsetof(struct sockaddr_in6, sin6_addr) << 3, sizeof(struct sockaddr_in6) ,
- sizeof(struct sockaddr_in6), 0,
- NULL, 0, {0,0}
- };
-
-DOMAIN_SET(inet6);
+int in6_proto_count = (sizeof(inet6sw) / sizeof(struct ip6protosw));
+
+struct domain inet6domain_s = {
+ .dom_family = PF_INET6,
+ .dom_flags = DOM_REENTRANT,
+ .dom_name = "internet6",
+ .dom_init = in6_dinit,
+ .dom_rtattach = in6_inithead,
+ .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
+ .dom_maxrtkey = sizeof(struct sockaddr_in6),
+ .dom_protohdrlen = sizeof(struct sockaddr_in6),
+};
/* Initialize the PF_INET6 domain, and add in the pre-defined protos */
void
-in6_dinit(void)
+in6_dinit(struct domain *dp)
{
- register int i;
- register struct ip6protosw *pr;
- register struct domain *dp;
- static int inet6domain_initted = 0;
-
- if (!inet6domain_initted) {
- dp = &inet6domain;
-
- for (i=0, pr = &inet6sw[0]; i<in6_proto_count; i++, pr++)
- net_add_proto((struct protosw*)pr, dp);
-
- inet6_domain_mutex = dp->dom_mtx;
- inet6domain_initted = 1;
+ struct ip6protosw *pr;
+ int i;
+
+ VERIFY(!(dp->dom_flags & DOM_INITIALIZED));
+ VERIFY(inet6domain == NULL);
+
+ inet6domain = dp;
+
+ _CASSERT(sizeof(struct protosw) == sizeof(struct ip6protosw));
+ _CASSERT(offsetof(struct ip6protosw, pr_entry) ==
+ offsetof(struct protosw, pr_entry));
+ _CASSERT(offsetof(struct ip6protosw, pr_domain) ==
+ offsetof(struct protosw, pr_domain));
+ _CASSERT(offsetof(struct ip6protosw, pr_protosw) ==
+ offsetof(struct protosw, pr_protosw));
+ _CASSERT(offsetof(struct ip6protosw, pr_type) ==
+ offsetof(struct protosw, pr_type));
+ _CASSERT(offsetof(struct ip6protosw, pr_protocol) ==
+ offsetof(struct protosw, pr_protocol));
+ _CASSERT(offsetof(struct ip6protosw, pr_flags) ==
+ offsetof(struct protosw, pr_flags));
+ _CASSERT(offsetof(struct ip6protosw, pr_input) ==
+ offsetof(struct protosw, pr_input));
+ _CASSERT(offsetof(struct ip6protosw, pr_output) ==
+ offsetof(struct protosw, pr_output));
+ _CASSERT(offsetof(struct ip6protosw, pr_ctlinput) ==
+ offsetof(struct protosw, pr_ctlinput));
+ _CASSERT(offsetof(struct ip6protosw, pr_ctloutput) ==
+ offsetof(struct protosw, pr_ctloutput));
+ _CASSERT(offsetof(struct ip6protosw, pr_usrreqs) ==
+ offsetof(struct protosw, pr_usrreqs));
+ _CASSERT(offsetof(struct ip6protosw, pr_init) ==
+ offsetof(struct protosw, pr_init));
+ _CASSERT(offsetof(struct ip6protosw, pr_drain) ==
+ offsetof(struct protosw, pr_drain));
+ _CASSERT(offsetof(struct ip6protosw, pr_sysctl) ==
+ offsetof(struct protosw, pr_sysctl));
+ _CASSERT(offsetof(struct ip6protosw, pr_lock) ==
+ offsetof(struct protosw, pr_lock));
+ _CASSERT(offsetof(struct ip6protosw, pr_unlock) ==
+ offsetof(struct protosw, pr_unlock));
+ _CASSERT(offsetof(struct ip6protosw, pr_getlock) ==
+ offsetof(struct protosw, pr_getlock));
+ _CASSERT(offsetof(struct ip6protosw, pr_filter_head) ==
+ offsetof(struct protosw, pr_filter_head));
+ _CASSERT(offsetof(struct ip6protosw, pr_old) ==
+ offsetof(struct protosw, pr_old));
+ _CASSERT(offsetof(struct ip6protosw, pr_update_last_owner) ==
+ offsetof(struct protosw, pr_update_last_owner));
+ _CASSERT(offsetof(struct ip6protosw, pr_copy_last_owner) ==
+ offsetof(struct protosw, pr_copy_last_owner));
+
+ /*
+ * Attach first, then initialize. ip6_init() needs raw IP6 handler.
+ */
+ for (i = 0, pr = &inet6sw[0]; i < in6_proto_count; i++, pr++) {
+ net_add_proto((struct protosw *)pr, dp, 0);
+ }
+ for (i = 0, pr = &inet6sw[0]; i < in6_proto_count; i++, pr++) {
+ net_init_proto((struct protosw *)pr, dp);
}
+
+ inet6_domain_mutex = dp->dom_mtx;
}
-int rip6_pr_output(__unused struct mbuf *m, __unused struct socket *so,
- __unused struct sockaddr_in6 *sin6, __unused struct mbuf *m1)
+static int
+rip6_pr_output(struct mbuf *m, struct socket *so, struct sockaddr_in6 *sin6,
+ struct mbuf *m1)
{
- panic("rip6_pr_output\n");
+#pragma unused(m, so, sin6, m1)
+ panic("%s\n", __func__);
+ /* NOTREACHED */
return 0;
}
/*
* Internet configuration info
*/
-#ifndef IPV6FORWARDING
+#ifndef IPV6FORWARDING
#if GATEWAY6
-#define IPV6FORWARDING 1 /* forward IP6 packets not for us */
+#define IPV6FORWARDING 1 /* forward IP6 packets not for us */
#else
-#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
+#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
#endif /* GATEWAY6 */
#endif /* !IPV6FORWARDING */
-#ifndef IPV6_SENDREDIRECTS
-#define IPV6_SENDREDIRECTS 1
+#ifndef IPV6_SENDREDIRECTS
+#define IPV6_SENDREDIRECTS 1
#endif
-int ip6_forwarding = IPV6FORWARDING; /* act as router? */
-int ip6_sendredirects = IPV6_SENDREDIRECTS;
-int ip6_defhlim = IPV6_DEFHLIM;
-int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
-int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */
-int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */
-int ip6_maxfrags;
-int ip6_log_interval = 5;
-int ip6_hdrnestlimit = 50; /* appropriate? */
-int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
-u_int32_t ip6_flow_seq;
-int ip6_auto_flowlabel = 1;
-int ip6_gif_hlim = 0;
-int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */
-int ip6_rr_prune = 5; /* router renumbering prefix
- * walk list every 5 sec. */
-int ip6_v6only = 0; /* Mapped addresses on by default - Radar 3347718 */
-
-int ip6_neighborgcthresh = 1024; /* Threshold # of NDP entries for GC */
-int ip6_maxifprefixes = 16; /* Max acceptable prefixes via RA per IF */
-int ip6_maxifdefrouters = 16; /* Max acceptable def routers via RA */
-int ip6_maxdynroutes = 1024; /* Max # of routes created via redirect */
-
-u_int32_t ip6_id = 0UL;
-int ip6_keepfaith = 0;
-time_t ip6_log_time = (time_t)0L;
+int ip6_forwarding = IPV6FORWARDING; /* act as router? */
+int ip6_sendredirects = IPV6_SENDREDIRECTS;
+int ip6_defhlim = IPV6_DEFHLIM;
+int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
+int ip6_accept_rtadv = 1; /* deprecated */
+int ip6_log_interval = 5;
+int ip6_hdrnestlimit = 15; /* How many header options will we process? */
+int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
+int ip6_auto_flowlabel = 1;
+int ip6_gif_hlim = 0;
+int ip6_use_deprecated = 1; /* allow deprecated addr [RFC 4862, 5.5.4] */
+int ip6_rr_prune = 5; /* router renumbering prefix
+ * walk list every 5 sec. */
+int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */
+int ip6_v6only = 0; /* Mapped addresses off by default - Radar 3347718 -- REVISITING FOR 10.7 -- TESTING WITH MAPPED@ OFF */
+
+int ip6_neighborgcthresh = 1024; /* Threshold # of NDP entries for GC */
+int ip6_maxifprefixes = 16; /* Max acceptable prefixes via RA per IF */
+int ip6_maxifdefrouters = 16; /* Max acceptable def routers via RA */
+int ip6_maxdynroutes = 1024; /* Max # of routes created via redirect */
+int ip6_only_allow_rfc4193_prefix = 0; /* Only allow RFC4193 style Unique Local IPv6 Unicast prefixes */
+
+static int ip6_keepfaith = 0;
+uint64_t ip6_log_time = 0;
+int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */
/* icmp6 */
/*
* XXX: what if we don't define INET? Should we define pmtu6_expire
* or so? (jinmei@kame.net 19990310)
*/
-int pmtu_expire = 60*10;
-int pmtu_probe = 60*2;
+int pmtu_expire = 60 * 10;
+int pmtu_probe = 60 * 2;
/* raw IP6 parameters */
/*
* Nominal space allocated to a raw ip socket.
*/
-#define RIPV6SNDQ 8192
-#define RIPV6RCVQ 8192
+#define RIPV6SNDQ 8192
+#define RIPV6RCVQ 8192
-u_int32_t rip6_sendspace = RIPV6SNDQ;
-u_int32_t rip6_recvspace = RIPV6RCVQ;
+u_int32_t rip6_sendspace = RIPV6SNDQ;
+u_int32_t rip6_recvspace = RIPV6RCVQ;
/* ICMPV6 parameters */
-int icmp6_rediraccept = 1; /* accept and process redirects */
-int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
-int icmp6errppslim = 500; /* 500 packets per second */
-int icmp6_nodeinfo = 3; /* enable/disable NI response */
+int icmp6_rediraccept = 1; /* accept and process redirects */
+int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
+int icmp6errppslim = 500; /* 500 packets per second */
+int icmp6rappslim = 10; /* 10 packets per second */
+int icmp6_nodeinfo = 3; /* enable/disable NI response */
/* UDP on IP6 parameters */
-int udp6_sendspace = 9216; /* really max datagram size */
-int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6));
- /* 40 1K datagrams */
+int udp6_sendspace = 9216; /* really max datagram size */
+int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6));
+/* 40 1K datagrams */
/*
* sysctl related items.
*/
-SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
- "Internet6 Family");
+SYSCTL_NODE(_net, PF_INET6, inet6,
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "Internet6 Family");
/* net.inet6 */
-SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "IP6");
-SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "ICMP6");
-SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "UDP6");
-SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "TCP6");
+SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6,
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "IP6");
+SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6,
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "ICMP6");
+SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6,
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "UDP6");
+SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6,
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "TCP6");
#if IPSEC
-SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "IPSEC6");
+SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6,
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "IPSEC6");
#endif /* IPSEC */
/* net.inet6.ip6 */
int old;
error = SYSCTL_OUT(req, arg1, sizeof(int));
- if (error || !req->newptr)
- return (error);
+ if (error || !req->newptr) {
+ return error;
+ }
old = ip6_temp_preferred_lifetime;
error = SYSCTL_IN(req, arg1, sizeof(int));
- if (ip6_temp_preferred_lifetime <
+ if (ip6_temp_preferred_lifetime > ND6_MAX_LIFETIME ||
+ ip6_temp_preferred_lifetime <
ip6_desync_factor + ip6_temp_regen_advance) {
ip6_temp_preferred_lifetime = old;
- return(EINVAL);
+ return EINVAL;
}
- return(error);
+ return error;
}
static int
int old;
error = SYSCTL_OUT(req, arg1, sizeof(int));
- if (error || !req->newptr)
- return (error);
+ if (error || !req->newptr) {
+ return error;
+ }
old = ip6_temp_valid_lifetime;
error = SYSCTL_IN(req, arg1, sizeof(int));
- if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) {
- ip6_temp_preferred_lifetime = old;
- return(EINVAL);
+ if (ip6_temp_valid_lifetime > ND6_MAX_LIFETIME ||
+ ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) {
+ ip6_temp_valid_lifetime = old;
+ return EINVAL;
+ }
+ return error;
+}
+
+static int
+ip6_getstat SYSCTL_HANDLER_ARGS
+{
+#pragma unused(oidp, arg1, arg2)
+ if (req->oldptr == USER_ADDR_NULL) {
+ req->oldlen = (size_t)sizeof(struct ip6stat);
}
- return(error);
+
+ return SYSCTL_OUT(req, &ip6stat, MIN(sizeof(ip6stat), req->oldlen));
}
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING,
- forwarding, CTLFLAG_RW, &ip6_forwarding, 0, "");
+ forwarding, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_forwarding, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS,
- redirect, CTLFLAG_RW, &ip6_sendredirects, 0, "");
+ redirect, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_sendredirects, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM,
- hlim, CTLFLAG_RW, &ip6_defhlim, 0, "");
-SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
- &ip6stat, ip6stat, "");
-SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS,
- maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, "");
-SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS,
- maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, "");
+ hlim, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_defhlim, 0, "");
+SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_STATS, stats,
+ CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, ip6_getstat, "S,ip6stat", "");
+
+#if (DEVELOPMENT || DEBUG)
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV,
- accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, "");
+ accept_rtadv, CTLFLAG_RW | CTLFLAG_LOCKED,
+ &ip6_accept_rtadv, 0, "");
+#else
+SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV,
+ accept_rtadv, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &ip6_accept_rtadv, 0, "");
+#endif /* (DEVELOPMENT || DEBUG) */
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH,
- keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, "");
+ keepfaith, CTLFLAG_RD | CTLFLAG_LOCKED, &ip6_keepfaith, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL,
- log_interval, CTLFLAG_RW, &ip6_log_interval, 0, "");
+ log_interval, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_log_interval, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT,
- hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, "");
+ hdrnestlimit, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_hdrnestlimit, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT,
- dad_count, CTLFLAG_RW, &ip6_dad_count, 0, "");
+ dad_count, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_dad_count, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL,
- auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, "");
+ auto_flowlabel, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_auto_flowlabel, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM,
- defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, "");
+ defmcasthlim, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_defmcasthlim, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM,
- gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, "");
+ gifhlim, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_gif_hlim, 0, "");
SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION,
- kame_version, CTLFLAG_RD, (void *)((uintptr_t)(__KAME_VERSION)), 0, "");
+ kame_version, CTLFLAG_RD | CTLFLAG_LOCKED, (void *)((uintptr_t)(__KAME_VERSION)), 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED,
- use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, "");
+ use_deprecated, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_use_deprecated, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE,
- rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, "");
+ rr_prune, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_rr_prune, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR,
- use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, "");
+ use_tempaddr, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_use_tempaddr, 0, "");
SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
- CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0,
- sysctl_ip6_temppltime, "I", "");
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_temp_preferred_lifetime, 0,
+ sysctl_ip6_temppltime, "I", "");
SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
- CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0,
- sysctl_ip6_tempvltime, "I", "");
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_temp_valid_lifetime, 0,
+ sysctl_ip6_tempvltime, "I", "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY,
- v6only, CTLFLAG_RW, &ip6_v6only, 0, "");
+ v6only, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_v6only, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL,
- auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, "");
-SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
- &rip6stat, rip6stat, "");
-#if MROUTING
-SYSCTL_STRUCT(_net_inet6_ip6, OID_AUTO, mrt6stat, CTLFLAG_RD,
- &mrt6stat, mrt6stat, "");
-#endif
+ auto_linklocal, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_auto_linklocal, 0, "");
+SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &rip6stat, rip6stat, "");
+SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR,
+ prefer_tempaddr, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_prefer_tempaddr, 0, "");
+SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE,
+ use_defaultzone, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_use_defzone, 0, "");
+SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU,
+ mcast_pmtu, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_mcast_pmtu, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NEIGHBORGCTHRESH,
- neighborgcthresh, CTLFLAG_RW, &ip6_neighborgcthresh, 0, "");
+ neighborgcthresh, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_neighborgcthresh, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXIFPREFIXES,
- maxifprefixes, CTLFLAG_RW, &ip6_maxifprefixes, 0, "");
+ maxifprefixes, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_maxifprefixes, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXIFDEFROUTERS,
- maxifdefrouters, CTLFLAG_RW, &ip6_maxifdefrouters, 0, "");
+ maxifdefrouters, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_maxifdefrouters, 0, "");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXDYNROUTES,
- maxdynroutes, CTLFLAG_RW, &ip6_maxdynroutes, 0, "");
-
+ maxdynroutes, CTLFLAG_RW | CTLFLAG_LOCKED, &ip6_maxdynroutes, 0, "");
+SYSCTL_INT(_net_inet6_ip6, OID_AUTO,
+ only_allow_rfc4193_prefixes, CTLFLAG_RW | CTLFLAG_LOCKED,
+ &ip6_only_allow_rfc4193_prefix, 0, "");
+SYSCTL_INT(_net_inet6_ip6, OID_AUTO,
+ clat_debug, CTLFLAG_RW | CTLFLAG_LOCKED, &clat_debug, 0, "");
/* net.inet6.icmp6 */
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT,
- rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, "");
+ rediraccept, CTLFLAG_RW | CTLFLAG_LOCKED, &icmp6_rediraccept, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT,
- redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, "");
-SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
- &icmp6stat, icmp6stat, "");
+ redirtimeout, CTLFLAG_RW | CTLFLAG_LOCKED, &icmp6_redirtimeout, 0, "");
+SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &icmp6stat, icmp6stat, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE,
- nd6_prune, CTLFLAG_RW, &nd6_prune, 0, "");
+ nd6_prune, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_prune, 0, "");
+SYSCTL_INT(_net_inet6_icmp6, OID_AUTO,
+ nd6_prune_lazy, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_prune_lazy, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY,
- nd6_delay, CTLFLAG_RW, &nd6_delay, 0, "");
+ nd6_delay, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_delay, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES,
- nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, "");
+ nd6_umaxtries, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_umaxtries, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES,
- nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, "");
+ nd6_mmaxtries, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_mmaxtries, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK,
- nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, "");
+ nd6_useloopback, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_useloopback, 0, "");
+SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ACCEPT_6TO4,
+ nd6_accept_6to4, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_accept_6to4, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO,
- nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, "");
+ nodeinfo, CTLFLAG_RW | CTLFLAG_LOCKED, &icmp6_nodeinfo, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT,
- errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, "");
-SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT,
- nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, "");
+ errppslimit, CTLFLAG_RW | CTLFLAG_LOCKED, &icmp6errppslim, 0, "");
+SYSCTL_INT(_net_inet6_icmp6, OID_AUTO,
+ rappslimit, CTLFLAG_RW | CTLFLAG_LOCKED, &icmp6rappslim, 0, "");
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG,
- nd6_debug, CTLFLAG_RW, &nd6_debug, 0, "");
-
+ nd6_debug, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_debug, 0, "");
+SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
+ nd6_onlink_ns_rfc4861, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_onlink_ns_rfc4861, 0,
+ "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
+SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_OPTIMISTIC_DAD,
+ nd6_optimistic_dad, CTLFLAG_RW | CTLFLAG_LOCKED, &nd6_optimistic_dad, 0, "");
projects / apple / xnu.git / blobdiff