Add inet6 part of the rfc6056 code contributed by Vlad Balan as part of
Google SoC-2011
This commit is contained in:
christos
parent
bf93cf8726
commit
5ec72efbaa
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@ -1,4 +1,4 @@
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/* $NetBSD: in6_pcb.c,v 1.115 2011/08/31 18:31:03 plunky Exp $ */
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/* $NetBSD: in6_pcb.c,v 1.116 2011/09/24 17:22:14 christos Exp $ */
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/* $KAME: in6_pcb.c,v 1.84 2001/02/08 18:02:08 itojun Exp $ */
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/*
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@ -62,7 +62,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: in6_pcb.c,v 1.115 2011/08/31 18:31:03 plunky Exp $");
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__KERNEL_RCSID(0, "$NetBSD: in6_pcb.c,v 1.116 2011/09/24 17:22:14 christos Exp $");
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#include "opt_inet.h"
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#include "opt_ipsec.h"
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@ -91,6 +91,7 @@ __KERNEL_RCSID(0, "$NetBSD: in6_pcb.c,v 1.115 2011/08/31 18:31:03 plunky Exp $")
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#include <netinet/ip.h>
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#include <netinet/in_pcb.h>
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#include <netinet/ip6.h>
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#include <netinet/rfc6056.h>
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#include <netinet6/ip6_var.h>
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#include <netinet6/in6_pcb.h>
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#include <netinet6/scope6_var.h>
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@ -176,6 +177,8 @@ in6_pcballoc(struct socket *so, void *v)
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in6p->in6p_socket = so;
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in6p->in6p_hops = -1; /* use kernel default */
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in6p->in6p_icmp6filt = NULL;
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in6p->in6p_rfc6056algo = RFC6056_ALGO_DEFAULT;
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in6p->in6p_bindportonsend = false;
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#if defined(IPSEC) || defined(FAST_IPSEC)
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error = ipsec_init_pcbpolicy(so, &in6p->in6p_sp);
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if (error != 0) {
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@ -547,6 +550,18 @@ in6_pcbconnect(void *v, struct mbuf *nam, struct lwp *l)
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}
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in6p->in6p_faddr = sin6->sin6_addr;
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in6p->in6p_fport = sin6->sin6_port;
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/* Late bind, if needed */
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if (in6p->in6p_bindportonsend) {
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struct sockaddr_in6 lsin = *((const struct sockaddr_in6 *)
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in6p->in6p_socket->so_proto->pr_domain->dom_sa_any);
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lsin.sin6_addr = in6p->in6p_laddr;
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lsin.sin6_port = 0;
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if ((error = in6_pcbbind_port(in6p, &lsin, l)) != 0)
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return error;
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}
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in6_pcbstate(in6p, IN6P_CONNECTED);
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in6p->in6p_flowinfo &= ~IPV6_FLOWLABEL_MASK;
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if (ip6_auto_flowlabel)
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@ -1,4 +1,4 @@
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/* $NetBSD: in6_pcb.h,v 1.35 2011/05/03 18:28:45 dyoung Exp $ */
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/* $NetBSD: in6_pcb.h,v 1.36 2011/09/24 17:22:14 christos Exp $ */
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/* $KAME: in6_pcb.h,v 1.45 2001/02/09 05:59:46 itojun Exp $ */
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/*
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@ -78,14 +78,15 @@ struct icmp6_filter;
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struct in6pcb {
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struct inpcb_hdr in6p_head;
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#define in6p_hash in6p_head.inph_hash
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#define in6p_queue in6p_head.inph_queue
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#define in6p_af in6p_head.inph_af
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#define in6p_ppcb in6p_head.inph_ppcb
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#define in6p_state in6p_head.inph_state
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#define in6p_socket in6p_head.inph_socket
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#define in6p_table in6p_head.inph_table
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#define in6p_sp in6p_head.inph_sp
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#define in6p_hash in6p_head.inph_hash
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#define in6p_queue in6p_head.inph_queue
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#define in6p_af in6p_head.inph_af
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#define in6p_ppcb in6p_head.inph_ppcb
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#define in6p_state in6p_head.inph_state
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#define in6p_rfc6056algo in6p_head.inph_rfc6056algo
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#define in6p_socket in6p_head.inph_socket
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#define in6p_table in6p_head.inph_table
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#define in6p_sp in6p_head.inph_sp
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struct route in6p_route; /* placeholder for routing entry */
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u_int16_t in6p_fport; /* foreign port */
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u_int16_t in6p_lport; /* local port */
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@ -98,6 +99,7 @@ struct in6pcb {
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struct ip6_moptions *in6p_moptions; /* IP6 multicast options */
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struct icmp6_filter *in6p_icmp6filt;
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int in6p_cksum; /* IPV6_CHECKSUM setsockopt */
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bool in6p_bindportonsend;
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};
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#define in6p_faddr in6p_ip6.ip6_dst
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@ -1,4 +1,4 @@
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/* $NetBSD: in6_proto.c,v 1.92 2011/05/24 18:07:11 spz Exp $ */
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/* $NetBSD: in6_proto.c,v 1.93 2011/09/24 17:22:14 christos Exp $ */
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/* $KAME: in6_proto.c,v 1.66 2000/10/10 15:35:47 itojun Exp $ */
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/*
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@ -62,7 +62,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: in6_proto.c,v 1.92 2011/05/24 18:07:11 spz Exp $");
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__KERNEL_RCSID(0, "$NetBSD: in6_proto.c,v 1.93 2011/09/24 17:22:14 christos Exp $");
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#include "opt_gateway.h"
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#include "opt_inet.h"
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@ -168,13 +168,13 @@ PR_WRAP_CTLINPUT(tcp6_ctlinput)
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#define tcp6_ctlinput tcp6_ctlinput_wrapper
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PR_WRAP_CTLOUTPUT(rip6_ctloutput)
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PR_WRAP_CTLOUTPUT(ip6_ctloutput)
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PR_WRAP_CTLOUTPUT(tcp_ctloutput)
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PR_WRAP_CTLOUTPUT(udp6_ctloutput)
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PR_WRAP_CTLOUTPUT(icmp6_ctloutput)
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#define rip6_ctloutput rip6_ctloutput_wrapper
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#define ip6_ctloutput ip6_ctloutput_wrapper
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#define tcp_ctloutput tcp_ctloutput_wrapper
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#define udp6_ctloutput udp6_ctloutput_wrapper
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#define icmp6_ctloutput icmp6_ctloutput_wrapper
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#if defined(IPSEC) || defined(FAST_IPSEC)
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@ -203,7 +203,7 @@ const struct ip6protosw inet6sw[] = {
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_PURGEIF,
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.pr_input = udp6_input,
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.pr_ctlinput = udp6_ctlinput,
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.pr_ctloutput = ip6_ctloutput,
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.pr_ctloutput = udp6_ctloutput,
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.pr_usrreq = udp6_usrreq,
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.pr_init = udp6_init,
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},
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@ -1,4 +1,4 @@
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/* $NetBSD: in6_src.c,v 1.51 2011/05/17 04:39:57 dholland Exp $ */
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/* $NetBSD: in6_src.c,v 1.52 2011/09/24 17:22:14 christos Exp $ */
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/* $KAME: in6_src.c,v 1.159 2005/10/19 01:40:32 t-momose Exp $ */
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/*
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@ -66,7 +66,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: in6_src.c,v 1.51 2011/05/17 04:39:57 dholland Exp $");
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__KERNEL_RCSID(0, "$NetBSD: in6_src.c,v 1.52 2011/09/24 17:22:14 christos Exp $");
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#include "opt_inet.h"
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@ -93,6 +93,7 @@ __KERNEL_RCSID(0, "$NetBSD: in6_src.c,v 1.51 2011/05/17 04:39:57 dholland Exp $"
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/in_pcb.h>
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#include <netinet/rfc6056.h>
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#include <netinet6/in6_var.h>
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#include <netinet/ip6.h>
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#include <netinet6/in6_pcb.h>
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@ -801,35 +802,20 @@ in6_pcbsetport(struct sockaddr_in6 *sin6, struct in6pcb *in6p, struct lwp *l)
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{
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struct socket *so = in6p->in6p_socket;
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struct inpcbtable *table = in6p->in6p_table;
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int cnt;
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u_int16_t minport, maxport;
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u_int16_t lport, *lastport;
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int wild = 0;
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void *t;
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int error;
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enum kauth_network_req req;
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/* XXX: this is redundant when called from in6_pcbbind */
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if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0 &&
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((so->so_proto->pr_flags & PR_CONNREQUIRED) == 0 ||
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(so->so_options & SO_ACCEPTCONN) == 0))
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wild = 1;
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int error = 0;
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if (in6p->in6p_flags & IN6P_LOWPORT) {
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#ifndef IPNOPRIVPORTS
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req = KAUTH_REQ_NETWORK_BIND_PRIVPORT;
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#else
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req = KAUTH_REQ_NETWORK_BIND_PORT;
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#endif
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minport = ip6_lowportmin;
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maxport = ip6_lowportmax;
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lastport = &table->inpt_lastlow;
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} else {
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req = KAUTH_REQ_NETWORK_BIND_PORT;
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minport = ip6_anonportmin;
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maxport = ip6_anonportmax;
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lastport = &table->inpt_lastport;
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}
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@ -839,52 +825,13 @@ in6_pcbsetport(struct sockaddr_in6 *sin6, struct in6pcb *in6p, struct lwp *l)
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if (error)
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return (EACCES);
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if (minport > maxport) { /* sanity check */
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u_int16_t swp;
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swp = minport;
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minport = maxport;
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maxport = swp;
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}
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lport = *lastport - 1;
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for (cnt = maxport - minport + 1; cnt; cnt--, lport--) {
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vestigial_inpcb_t vestige;
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if (lport < minport || lport > maxport)
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lport = maxport;
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#ifdef INET
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if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
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t = in_pcblookup_port(table,
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*(struct in_addr *)&sin6->sin6_addr.s6_addr32[3],
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htons(lport), wild, &vestige);
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if (!t && vestige.valid)
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continue;
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} else
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#endif
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{
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t = in6_pcblookup_port(table, &sin6->sin6_addr,
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htons(lport), wild, &vestige);
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if (!t && vestige.valid)
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continue;
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}
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if (t == 0) {
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/* We have a free port. Check with the secmodel. */
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sin6->sin6_port = lport;
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error = kauth_authorize_network(l->l_cred,
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KAUTH_NETWORK_BIND, req, so, sin6, NULL);
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if (error) {
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/* Secmodel says no. Keep looking. */
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continue;
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}
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/*
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* Use RFC6056 randomized port selection
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*/
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error = rfc6056_randport(&lport, &in6p->in6p_head, l->l_cred);
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if (error)
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return error;
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goto found;
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}
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}
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return (EAGAIN);
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found:
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in6p->in6p_flags |= IN6P_ANONPORT;
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*lastport = lport;
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in6p->in6p_lport = htons(lport);
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@ -1,4 +1,4 @@
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/* $NetBSD: udp6_output.c,v 1.42 2011/08/31 18:31:03 plunky Exp $ */
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/* $NetBSD: udp6_output.c,v 1.43 2011/09/24 17:22:14 christos Exp $ */
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/* $KAME: udp6_output.c,v 1.43 2001/10/15 09:19:52 itojun Exp $ */
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/*
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@ -62,7 +62,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: udp6_output.c,v 1.42 2011/08/31 18:31:03 plunky Exp $");
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__KERNEL_RCSID(0, "$NetBSD: udp6_output.c,v 1.43 2011/09/24 17:22:14 christos Exp $");
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#include "opt_inet.h"
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@ -182,10 +182,9 @@ udp6_output(struct in6pcb * const in6p, struct mbuf *m,
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/*
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* IPv4 version of udp_output calls in_pcbconnect in this case,
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* which needs splnet and affects performance.
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* Since we saw no essential reason for calling in_pcbconnect,
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* we get rid of such kind of logic, and call in6_selectsrc
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* and in6_pcbsetport in order to fill in the local address
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* and the local port.
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* We have to do this as well, since in6_pcbsetport needs to
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* know the foreign address for some of the algorithms that
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* it employs.
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*/
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if (sin6->sin6_port == 0) {
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error = EADDRNOTAVAIL;
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@ -292,7 +291,9 @@ udp6_output(struct in6pcb * const in6p, struct mbuf *m,
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error = sa6_recoverscope(&lsin6);
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if (error)
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goto release;
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error = in6_pcbsetport(&lsin6, in6p, l);
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error = in6_pcbconnect(in6p, addr6, l);
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if (error)
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goto release;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: udp6_usrreq.c,v 1.89 2011/05/03 18:28:45 dyoung Exp $ */
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/* $NetBSD: udp6_usrreq.c,v 1.90 2011/09/24 17:22:14 christos Exp $ */
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/* $KAME: udp6_usrreq.c,v 1.86 2001/05/27 17:33:00 itojun Exp $ */
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/*
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@ -62,7 +62,9 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: udp6_usrreq.c,v 1.89 2011/05/03 18:28:45 dyoung Exp $");
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__KERNEL_RCSID(0, "$NetBSD: udp6_usrreq.c,v 1.90 2011/09/24 17:22:14 christos Exp $");
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#include "opt_inet.h"
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#include <sys/param.h>
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#include <sys/malloc.h>
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@ -75,6 +77,7 @@ __KERNEL_RCSID(0, "$NetBSD: udp6_usrreq.c,v 1.89 2011/05/03 18:28:45 dyoung Exp
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/syslog.h>
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#include <sys/domain.h>
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#include <sys/sysctl.h>
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#include <net/if.h>
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@ -89,6 +92,7 @@ __KERNEL_RCSID(0, "$NetBSD: udp6_usrreq.c,v 1.89 2011/05/03 18:28:45 dyoung Exp
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#include <netinet/in_pcb.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <netinet/rfc6056.h>
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#include <netinet/ip6.h>
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#include <netinet6/ip6_var.h>
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#include <netinet6/in6_pcb.h>
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@ -254,6 +258,71 @@ udp6_ctlinput(int cmd, const struct sockaddr *sa, void *d)
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return NULL;
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}
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int
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udp6_ctloutput(int op, struct socket *so, struct sockopt *sopt)
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{
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int s;
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int error = 0;
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struct inpcb *inp;
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int family;
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int optval;
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family = so->so_proto->pr_domain->dom_family;
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s = splsoftnet();
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switch (family) {
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#ifdef INET
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case PF_INET:
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if (sopt->sopt_level != IPPROTO_UDP) {
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error = ip_ctloutput(op, so, sopt);
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goto end;
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}
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break;
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#endif
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#ifdef INET6
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case PF_INET6:
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if (sopt->sopt_level != IPPROTO_UDP) {
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error = ip6_ctloutput(op, so, sopt);
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goto end;
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}
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break;
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#endif
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default:
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error = EAFNOSUPPORT;
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goto end;
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}
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switch (op) {
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case PRCO_SETOPT:
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inp = sotoinpcb(so);
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switch (sopt->sopt_name) {
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case UDP_RFC6056ALGO:
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error = sockopt_getint(sopt, &optval);
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if (error)
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break;
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error = rfc6056_algo_index_select(
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(struct inpcb_hdr *)inp, optval);
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break;
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default:
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error = ENOPROTOOPT;
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break;
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}
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break;
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default:
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error = EINVAL;
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break;
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}
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end:
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splx(s);
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return error;
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}
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extern int udp6_sendspace;
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||||
extern int udp6_recvspace;
|
||||
|
||||
|
|
@ -419,6 +488,8 @@ sysctl_net_inet6_udp6_stats(SYSCTLFN_ARGS)
|
|||
static void
|
||||
sysctl_net_inet6_udp6_setup(struct sysctllog **clog)
|
||||
{
|
||||
const struct sysctlnode *rfc6056_node;
|
||||
|
||||
sysctl_createv(clog, 0, NULL, NULL,
|
||||
CTLFLAG_PERMANENT,
|
||||
CTLTYPE_NODE, "net", NULL,
|
||||
|
|
@ -471,6 +542,25 @@ sysctl_net_inet6_udp6_setup(struct sysctllog **clog)
|
|||
sysctl_net_inet6_udp6_stats, 0, NULL, 0,
|
||||
CTL_NET, PF_INET6, IPPROTO_UDP, UDP6CTL_STATS,
|
||||
CTL_EOL);
|
||||
/* RFC6056 subtree */
|
||||
sysctl_createv(clog, 0, NULL, &rfc6056_node,
|
||||
CTLFLAG_PERMANENT,
|
||||
CTLTYPE_NODE, "rfc6056",
|
||||
SYSCTL_DESCR("RFC 6056"),
|
||||
NULL, 0, NULL, 0,
|
||||
CTL_NET, PF_INET6, IPPROTO_UDP, CTL_CREATE, CTL_EOL);
|
||||
sysctl_createv(clog, 0, &rfc6056_node, NULL,
|
||||
CTLFLAG_PERMANENT,
|
||||
CTLTYPE_STRING, "available",
|
||||
SYSCTL_DESCR("RFC 6056 available algorithms"),
|
||||
sysctl_rfc6056_available, 0, NULL, RFC6056_MAXLEN,
|
||||
CTL_CREATE, CTL_EOL);
|
||||
sysctl_createv(clog, 0, &rfc6056_node, NULL,
|
||||
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
|
||||
CTLTYPE_STRING, "selected",
|
||||
SYSCTL_DESCR("RFC 6056 selected algorithm"),
|
||||
sysctl_rfc6056_selected6, 0, NULL, RFC6056_MAXLEN,
|
||||
CTL_CREATE, CTL_EOL);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: udp6_var.h,v 1.23 2008/04/24 11:38:38 ad Exp $ */
|
||||
/* $NetBSD: udp6_var.h,v 1.24 2011/09/24 17:22:14 christos Exp $ */
|
||||
/* $KAME: udp6_var.h,v 1.11 2000/06/05 00:14:31 itojun Exp $ */
|
||||
|
||||
/*
|
||||
|
|
@ -84,11 +84,12 @@
|
|||
/*
|
||||
* Names for UDP6 sysctl objects
|
||||
*/
|
||||
#define UDP6CTL_SENDSPACE 1 /* default send buffer */
|
||||
#define UDP6CTL_RECVSPACE 2 /* default recv buffer */
|
||||
#define UDP6CTL_SENDSPACE 1 /* default send buffer */
|
||||
#define UDP6CTL_RECVSPACE 2 /* default recv buffer */
|
||||
#define UDP6CTL_LOOPBACKCKSUM 3 /* do UDP checksum on loopback? */
|
||||
#define UDP6CTL_STATS 4 /* udp6 statistics */
|
||||
#define UDP6CTL_MAXID 5
|
||||
#define UDP6CTL_STATS 4 /* udp6 statistics */
|
||||
#define UDP6CTL_RFC6056 5 /* RFC 6056 algorithm selection */
|
||||
#define UDP6CTL_MAXID 6
|
||||
|
||||
#define UDP6CTL_NAMES { \
|
||||
{ 0, 0 }, \
|
||||
|
|
@ -100,14 +101,14 @@
|
|||
|
||||
#ifdef _KERNEL
|
||||
void *udp6_ctlinput(int, const struct sockaddr *, void *);
|
||||
int udp6_ctloutput(int, struct socket *, struct sockopt *);
|
||||
void udp6_init(void);
|
||||
int udp6_input(struct mbuf **, int *, int);
|
||||
int udp6_output(struct in6pcb *, struct mbuf *, struct mbuf *,
|
||||
struct mbuf *, struct lwp *);
|
||||
struct mbuf *, struct lwp *);
|
||||
int udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
|
||||
int udp6_usrreq(struct socket *,
|
||||
int, struct mbuf *, struct mbuf *, struct mbuf *,
|
||||
struct lwp *);
|
||||
int udp6_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
|
||||
struct mbuf *, struct lwp *);
|
||||
|
||||
void udp6_statinc(u_int);
|
||||
#endif /* _KERNEL */
|
||||
|
|
|
|||
Loading…
Reference in New Issue