diff options
Diffstat (limited to 'sys')
-rw-r--r-- | sys/conf/files | 3 | ||||
-rw-r--r-- | sys/netinet/in_pcb.h | 3 | ||||
-rw-r--r-- | sys/netinet/udp_usrreq.c | 9 | ||||
-rw-r--r-- | sys/netinet/udp_var.h | 6 | ||||
-rw-r--r-- | sys/netinet6/in6_proto.c | 4 | ||||
-rw-r--r-- | sys/netinet6/udp6_output.c | 295 |
6 files changed, 314 insertions, 6 deletions
diff --git a/sys/conf/files b/sys/conf/files index 9fbf1874a92..45539127730 100644 --- a/sys/conf/files +++ b/sys/conf/files @@ -1,4 +1,4 @@ -# $OpenBSD: files,v 1.169 2000/06/17 17:16:04 provos Exp $ +# $OpenBSD: files,v 1.170 2000/06/18 17:32:42 itojun Exp $ # $NetBSD: files,v 1.87 1996/05/19 17:17:50 jonathan Exp $ # @(#)files.newconf 7.5 (Berkeley) 5/10/93 @@ -778,6 +778,7 @@ file netinet6/nd6_rtr.c inet6 #file netinet6/tcp6_timer.c inet6 & tcp6 #file netinet6/tcp6_usrreq.c inet6 & tcp6 #file netinet6/udp6_usrreq.c inet6 +file netinet6/udp6_output.c inet6 # ... PF_KEY file net/pfkey.c key | ipsec | tcp_signature diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h index 0ed2bc044aa..6ac62c01529 100644 --- a/sys/netinet/in_pcb.h +++ b/sys/netinet/in_pcb.h @@ -1,4 +1,4 @@ -/* $OpenBSD: in_pcb.h,v 1.24 2000/06/13 10:12:00 itojun Exp $ */ +/* $OpenBSD: in_pcb.h,v 1.25 2000/06/18 17:32:48 itojun Exp $ */ /* $NetBSD: in_pcb.h,v 1.14 1996/02/13 23:42:00 christos Exp $ */ /* @@ -271,6 +271,7 @@ struct in6_addr *in6_selectsrc __P((struct sockaddr_in6 *, struct route_in6 *, struct in6_addr *, int *)); int in6_selecthlim __P((struct inpcb *, struct ifnet *)); +int in6_pcbsetport __P((struct in6_addr *, struct inpcb *)); int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, struct inpcb *, struct ifnet **)); int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 090a52b1d5f..f57471be513 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -1,4 +1,4 @@ -/* $OpenBSD: udp_usrreq.c,v 1.44 2000/06/13 11:47:24 itojun Exp $ */ +/* $OpenBSD: udp_usrreq.c,v 1.45 2000/06/18 17:32:48 itojun Exp $ */ /* $NetBSD: udp_usrreq.c,v 1.28 1996/03/16 23:54:03 christos Exp $ */ /* @@ -1165,7 +1165,14 @@ udp_usrreq(so, req, m, addr, control) if (error) return (error); #endif +#ifdef INET6 + if (inp->inp_flags & INP_IPV6) + return (udp6_output(inp, m, addr, control)); + else + return (udp_output(m, inp, addr, control)); +#else return (udp_output(m, inp, addr, control)); +#endif case PRU_ABORT: soisdisconnected(so); diff --git a/sys/netinet/udp_var.h b/sys/netinet/udp_var.h index e1e409e3985..b6064b0cc89 100644 --- a/sys/netinet/udp_var.h +++ b/sys/netinet/udp_var.h @@ -1,4 +1,4 @@ -/* $OpenBSD: udp_var.h,v 1.9 1999/12/08 06:50:20 itojun Exp $ */ +/* $OpenBSD: udp_var.h,v 1.10 2000/06/18 17:32:48 itojun Exp $ */ /* $NetBSD: udp_var.h,v 1.12 1996/02/13 23:44:41 christos Exp $ */ /* @@ -99,6 +99,10 @@ int udp6_usrreq __P((struct socket *, void *udp_ctlinput __P((int, struct sockaddr *, void *)); void udp_init __P((void)); void udp_input __P((struct mbuf *, ...)); +#ifdef INET6 +int udp6_output __P((struct inpcb *, struct mbuf *, struct mbuf *, + struct mbuf *)); +#endif int udp_output __P((struct mbuf *, ...)); int udp_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); int udp_usrreq __P((struct socket *, diff --git a/sys/netinet6/in6_proto.c b/sys/netinet6/in6_proto.c index d771bd67761..65424304f3d 100644 --- a/sys/netinet6/in6_proto.c +++ b/sys/netinet6/in6_proto.c @@ -1,4 +1,4 @@ -/* $OpenBSD: in6_proto.c,v 1.21 2000/05/25 01:22:00 itojun Exp $ */ +/* $OpenBSD: in6_proto.c,v 1.22 2000/06/18 17:32:48 itojun Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. @@ -125,7 +125,7 @@ struct ip6protosw inet6sw[] = { }, { SOCK_DGRAM, &inet6domain, IPPROTO_UDP, PR_ATOMIC | PR_ADDR, udp6_input, 0, udp6_ctlinput, ip6_ctloutput, - udp6_usrreq, 0, + udp6_usrreq, 0, 0, 0, 0, udp_sysctl, }, diff --git a/sys/netinet6/udp6_output.c b/sys/netinet6/udp6_output.c new file mode 100644 index 00000000000..1a2b5e5d853 --- /dev/null +++ b/sys/netinet6/udp6_output.c @@ -0,0 +1,295 @@ +/* $KAME: udp6_output.c,v 1.14 2000/06/13 10:31:23 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Copyright (c) 1982, 1986, 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)udp_var.h 8.1 (Berkeley) 6/10/93 + */ + +#include <sys/param.h> +#include <sys/malloc.h> +#include <sys/mbuf.h> +#include <sys/protosw.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/errno.h> +#include <sys/stat.h> +#include <sys/systm.h> +#include <sys/syslog.h> + +#include <net/if.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/ip.h> +#include <netinet/ip_var.h> +#include <netinet/in_pcb.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> +#include <netinet/ip6.h> +#include <netinet6/ip6_var.h> +#include <netinet/icmp6.h> +#include <netinet6/ip6protosw.h> + +#undef IPSEC + +#include "faith.h" + +#include <net/net_osdep.h> + +/* + * UDP protocol inplementation. + * Per RFC 768, August, 1980. + */ + +#define in6pcb inpcb +#define in6p_outputopts inp_outputopts6 +#define in6p_socket inp_socket +#define in6p_faddr inp_faddr6 +#define in6p_laddr inp_laddr6 +#define in6p_fport inp_fport +#define in6p_lport inp_lport +#define in6p_flags inp_flags +#define in6p_moptions inp_moptions6 +#define in6p_route inp_route6 +#define in6p_flowinfo inp_fflowinfo +#define udp6stat udpstat +#define udp6s_opackets udps_opackets + +int +udp6_output(in6p, m, addr6, control) + register struct in6pcb *in6p; + register struct mbuf *m; + struct mbuf *addr6, *control; +{ + register u_int32_t ulen = m->m_pkthdr.len; + u_int32_t plen = sizeof(struct udphdr) + ulen; + struct ip6_hdr *ip6; + struct udphdr *udp6; + struct in6_addr *laddr, *faddr; + u_short fport; + int error = 0; + struct ip6_pktopts opt, *stickyopt; + int priv; + int af, hlen; + int flags; + struct sockaddr_in6 tmp; + + priv = 0; + if ((in6p->in6p_socket->so_state & SS_PRIV) != 0) + priv = 1; + stickyopt = in6p->in6p_outputopts; + if (control) { + if ((error = ip6_setpktoptions(control, &opt, priv)) != 0) + goto release; + in6p->in6p_outputopts = &opt; + } + + if (addr6) { + /* + * IPv4 version of udp_output calls in_pcbconnect in this case, + * which needs splnet and affects performance. + * Since we saw no essential reason for calling in_pcbconnect, + * we get rid of such kind of logic, and call in6_selectsrc + * and in6_pcbsetport in order to fill in the local address + * and the local port. + */ + struct sockaddr_in6 *sin6 = mtod(addr6, struct sockaddr_in6 *); + + if (addr6->m_len != sizeof(*sin6)) { + error = EINVAL; + goto release; + } + if (sin6->sin6_family != AF_INET6) { + error = EAFNOSUPPORT; + goto release; + } + if (sin6->sin6_port == 0) { + error = EADDRNOTAVAIL; + goto release; + } + + if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr)) { + error = EISCONN; + goto release; + } + + /* protect *sin6 from overwrites */ + tmp = *sin6; + sin6 = &tmp; + + faddr = &sin6->sin6_addr; + fport = sin6->sin6_port; /* allow 0 port */ + + /* KAME hack: embed scopeid */ + if (in6_embedscope(&sin6->sin6_addr, sin6, in6p, NULL) != 0) { + error = EINVAL; + goto release; + } + + if (1) { /* we don't support IPv4 mapped address */ + laddr = in6_selectsrc(sin6, in6p->in6p_outputopts, + in6p->in6p_moptions, + &in6p->in6p_route, + &in6p->in6p_laddr, &error); + } else + laddr = &in6p->in6p_laddr; /*XXX*/ + if (laddr == NULL) { + if (error == 0) + error = EADDRNOTAVAIL; + goto release; + } + if (in6p->in6p_lport == 0 && + (error = in6_pcbsetport(laddr, in6p)) != 0) + goto release; + } else { + if (IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr)) { + error = ENOTCONN; + goto release; + } + laddr = &in6p->in6p_laddr; + faddr = &in6p->in6p_faddr; + fport = in6p->in6p_fport; + } + + if (1) { /* we don't support IPv4 mapped address */ + af = AF_INET6; + hlen = sizeof(struct ip6_hdr); + } else { + af = AF_INET; + hlen = sizeof(struct ip); + } + + /* + * Calculate data length and get a mbuf + * for UDP and IP6 headers. + */ + M_PREPEND(m, hlen + sizeof(struct udphdr), M_DONTWAIT); + if (m == 0) { + error = ENOBUFS; + goto release; + } + + /* + * Stuff checksum and output datagram. + */ + udp6 = (struct udphdr *)(mtod(m, caddr_t) + hlen); + udp6->uh_sport = in6p->in6p_lport; /* lport is always set in the PCB */ + udp6->uh_dport = fport; + if (plen <= 0xffff) + udp6->uh_ulen = htons((u_short)plen); + else + udp6->uh_ulen = 0; + udp6->uh_sum = 0; + + switch (af) { + case AF_INET6: + ip6 = mtod(m, struct ip6_hdr *); + ip6->ip6_flow = in6p->in6p_flowinfo & IPV6_FLOWINFO_MASK; + ip6->ip6_vfc &= ~IPV6_VERSION_MASK; + ip6->ip6_vfc |= IPV6_VERSION; +#if 0 /* ip6_plen will be filled in ip6_output. */ + ip6->ip6_plen = htons((u_short)plen); +#endif + ip6->ip6_nxt = IPPROTO_UDP; + ip6->ip6_hlim = in6_selecthlim(in6p, + in6p->in6p_route.ro_rt ? + in6p->in6p_route.ro_rt->rt_ifp : NULL); + ip6->ip6_src = *laddr; + ip6->ip6_dst = *faddr; + + if ((udp6->uh_sum = in6_cksum(m, IPPROTO_UDP, + sizeof(struct ip6_hdr), plen)) == 0) { + udp6->uh_sum = 0xffff; + } + + flags = 0; +#ifdef IPV6_MINMTU + if (in6p->in6p_flags & IN6P_MINMTU) + flags |= IPV6_MINMTU; +#endif + + udp6stat.udp6s_opackets++; +#ifdef IPSEC + ipsec_setsocket(m, in6p->in6p_socket); +#endif /*IPSEC*/ + error = ip6_output(m, in6p->in6p_outputopts, &in6p->in6p_route, + flags, in6p->in6p_moptions, NULL); + break; + case AF_INET: + error = EAFNOSUPPORT; + goto release; + } + goto releaseopt; + +release: + m_freem(m); + +releaseopt: + if (control) { + in6p->in6p_outputopts = stickyopt; + m_freem(control); + } + return(error); +} |