version 1.129.2.1, 2005/04/29 11:29:34 |
version 1.148.6.2, 2006/12/10 07:19:11 |
Line 95 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 95 __KERNEL_RCSID(0, "$NetBSD$"); |
|
#include <netinet/udp.h> |
#include <netinet/udp.h> |
#include <netinet/udp_var.h> |
#include <netinet/udp_var.h> |
|
|
#ifdef IPSEC_NAT_T |
|
#include <netinet6/ipsec.h> |
|
#include <netinet6/esp.h> |
|
#endif |
|
|
|
#ifdef INET6 |
#ifdef INET6 |
#include <netinet/ip6.h> |
#include <netinet/ip6.h> |
#include <netinet/icmp6.h> |
#include <netinet/icmp6.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/udp6_var.h> |
#include <netinet6/udp6_var.h> |
|
#include <netinet6/scope6_var.h> |
#endif |
#endif |
|
|
#ifndef INET6 |
#ifndef INET6 |
Line 123 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 119 __KERNEL_RCSID(0, "$NetBSD$"); |
|
#ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
#include <netipsec/ipsec.h> |
#include <netipsec/ipsec.h> |
#include <netipsec/ipsec_var.h> /* XXX ipsecstat namespace */ |
#include <netipsec/ipsec_var.h> /* XXX ipsecstat namespace */ |
|
#include <netipsec/esp.h> |
#ifdef INET6 |
#ifdef INET6 |
#include <netipsec/ipsec6.h> |
#include <netipsec/ipsec6.h> |
#endif |
#endif |
Line 130 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 127 __KERNEL_RCSID(0, "$NetBSD$"); |
|
|
|
#ifdef IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
|
#include <netinet6/esp.h> |
#include <netkey/key.h> |
#include <netkey/key.h> |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
|
|
Line 141 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 139 __KERNEL_RCSID(0, "$NetBSD$"); |
|
* UDP protocol implementation. |
* UDP protocol implementation. |
* Per RFC 768, August, 1980. |
* Per RFC 768, August, 1980. |
*/ |
*/ |
#ifndef COMPAT_42 |
|
int udpcksum = 1; |
int udpcksum = 1; |
#else |
int udp_do_loopback_cksum = 0; |
int udpcksum = 0; /* XXX */ |
|
#endif |
|
|
|
struct inpcbtable udbtable; |
struct inpcbtable udbtable; |
struct udpstat udpstat; |
struct udpstat udpstat; |
|
|
#ifdef INET |
#ifdef INET |
#ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
static int udp4_espinudp (struct mbuf *, int, struct sockaddr *, |
static int udp4_espinudp (struct mbuf **, int, struct sockaddr *, |
struct socket *); |
struct socket *); |
#endif |
#endif |
static void udp4_sendup (struct mbuf *, int, struct sockaddr *, |
static void udp4_sendup (struct mbuf *, int, struct sockaddr *, |
struct socket *); |
struct socket *); |
static int udp4_realinput (struct sockaddr_in *, struct sockaddr_in *, |
static int udp4_realinput (struct sockaddr_in *, struct sockaddr_in *, |
struct mbuf *, int); |
struct mbuf **, int); |
static int udp4_input_checksum(struct mbuf *, const struct udphdr *, int, int); |
static int udp4_input_checksum(struct mbuf *, const struct udphdr *, int, int); |
#endif |
#endif |
#ifdef INET6 |
#ifdef INET6 |
Line 178 static void udp_notify (struct inpcb *, |
|
Line 173 static void udp_notify (struct inpcb *, |
|
int udbhashsize = UDBHASHSIZE; |
int udbhashsize = UDBHASHSIZE; |
|
|
#ifdef MBUFTRACE |
#ifdef MBUFTRACE |
struct mowner udp_mowner = { "udp" }; |
struct mowner udp_mowner = MOWNER_INIT("udp", ""); |
struct mowner udp_rx_mowner = { "udp", "rx" }; |
struct mowner udp_rx_mowner = MOWNER_INIT("udp", "rx"); |
struct mowner udp_tx_mowner = { "udp", "tx" }; |
struct mowner udp_tx_mowner = MOWNER_INIT("udp", "tx"); |
#endif |
#endif |
|
|
#ifdef UDP_CSUM_COUNTERS |
#ifdef UDP_CSUM_COUNTERS |
#include <sys/device.h> |
#include <sys/device.h> |
|
|
|
#if defined(INET) |
struct evcnt udp_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
struct evcnt udp_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "udp", "hwcsum bad"); |
NULL, "udp", "hwcsum bad"); |
struct evcnt udp_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
struct evcnt udp_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
Line 195 struct evcnt udp_hwcsum_data = EVCNT_INI |
|
Line 191 struct evcnt udp_hwcsum_data = EVCNT_INI |
|
struct evcnt udp_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
struct evcnt udp_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "udp", "swcsum"); |
NULL, "udp", "swcsum"); |
|
|
#define UDP_CSUM_COUNTER_INCR(ev) (ev)->ev_count++ |
|
|
|
EVCNT_ATTACH_STATIC(udp_hwcsum_bad); |
EVCNT_ATTACH_STATIC(udp_hwcsum_bad); |
EVCNT_ATTACH_STATIC(udp_hwcsum_ok); |
EVCNT_ATTACH_STATIC(udp_hwcsum_ok); |
EVCNT_ATTACH_STATIC(udp_hwcsum_data); |
EVCNT_ATTACH_STATIC(udp_hwcsum_data); |
EVCNT_ATTACH_STATIC(udp_swcsum); |
EVCNT_ATTACH_STATIC(udp_swcsum); |
|
#endif /* defined(INET) */ |
|
|
|
#if defined(INET6) |
|
struct evcnt udp6_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
|
NULL, "udp6", "hwcsum bad"); |
|
struct evcnt udp6_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
|
NULL, "udp6", "hwcsum ok"); |
|
struct evcnt udp6_hwcsum_data = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
|
NULL, "udp6", "hwcsum data"); |
|
struct evcnt udp6_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
|
NULL, "udp6", "swcsum"); |
|
|
|
EVCNT_ATTACH_STATIC(udp6_hwcsum_bad); |
|
EVCNT_ATTACH_STATIC(udp6_hwcsum_ok); |
|
EVCNT_ATTACH_STATIC(udp6_hwcsum_data); |
|
EVCNT_ATTACH_STATIC(udp6_swcsum); |
|
#endif /* defined(INET6) */ |
|
|
|
#define UDP_CSUM_COUNTER_INCR(ev) (ev)->ev_count++ |
|
|
#else |
#else |
|
|
Line 382 udp_input(struct mbuf *m, ...) |
|
Line 395 udp_input(struct mbuf *m, ...) |
|
bcopy(&ip->ip_dst, &dst.sin_addr, sizeof(dst.sin_addr)); |
bcopy(&ip->ip_dst, &dst.sin_addr, sizeof(dst.sin_addr)); |
dst.sin_port = uh->uh_dport; |
dst.sin_port = uh->uh_dport; |
|
|
n = udp4_realinput(&src, &dst, m, iphlen); |
if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
|
udpstat.udps_hdrops++; |
|
return; |
|
} |
#ifdef INET6 |
#ifdef INET6 |
if (IN_MULTICAST(ip->ip_dst.s_addr) || n == 0) { |
if (IN_MULTICAST(ip->ip_dst.s_addr) || n == 0) { |
struct sockaddr_in6 src6, dst6; |
struct sockaddr_in6 src6, dst6; |
|
|
udp6_input_checksum(struct mbuf *m, const struct udphdr *uh, int off, int len) |
udp6_input_checksum(struct mbuf *m, const struct udphdr *uh, int off, int len) |
{ |
{ |
|
|
|
/* |
|
* XXX it's better to record and check if this mbuf is |
|
* already checked. |
|
*/ |
|
|
if (__predict_false((m->m_flags & M_LOOP) && !udp_do_loopback_cksum)) { |
if (__predict_false((m->m_flags & M_LOOP) && !udp_do_loopback_cksum)) { |
goto good; |
goto good; |
} |
} |
Line 449 udp6_input_checksum(struct mbuf *m, cons |
|
Line 470 udp6_input_checksum(struct mbuf *m, cons |
|
udp6stat.udp6s_nosum++; |
udp6stat.udp6s_nosum++; |
goto bad; |
goto bad; |
} |
} |
if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
|
|
switch (m->m_pkthdr.csum_flags & |
|
((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv6) | |
|
M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
|
case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD: |
|
UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad); |
udp6stat.udp6s_badsum++; |
udp6stat.udp6s_badsum++; |
goto bad; |
goto bad; |
|
|
|
#if 0 /* notyet */ |
|
case M_CSUM_UDPv6|M_CSUM_DATA: |
|
#endif |
|
|
|
case M_CSUM_UDPv6: |
|
/* Checksum was okay. */ |
|
UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_ok); |
|
break; |
|
|
|
default: |
|
/* |
|
* Need to compute it ourselves. Maybe skip checksum |
|
* on loopback interfaces. |
|
*/ |
|
UDP_CSUM_COUNTER_INCR(&udp6_swcsum); |
|
if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
|
udp6stat.udp6s_badsum++; |
|
goto bad; |
|
} |
} |
} |
|
|
good: |
good: |
Line 523 udp6_input(struct mbuf **mp, int *offp, |
|
Line 569 udp6_input(struct mbuf **mp, int *offp, |
|
|
|
/* |
/* |
* Construct source and dst sockaddrs. |
* Construct source and dst sockaddrs. |
* Note that ifindex (s6_addr16[1]) is already filled. |
|
*/ |
*/ |
bzero(&src, sizeof(src)); |
bzero(&src, sizeof(src)); |
src.sin6_family = AF_INET6; |
src.sin6_family = AF_INET6; |
src.sin6_len = sizeof(struct sockaddr_in6); |
src.sin6_len = sizeof(struct sockaddr_in6); |
/* KAME hack: recover scopeid */ |
src.sin6_addr = ip6->ip6_src; |
(void)in6_recoverscope(&src, &ip6->ip6_src, m->m_pkthdr.rcvif); |
|
src.sin6_port = uh->uh_sport; |
src.sin6_port = uh->uh_sport; |
bzero(&dst, sizeof(dst)); |
bzero(&dst, sizeof(dst)); |
dst.sin6_family = AF_INET6; |
dst.sin6_family = AF_INET6; |
dst.sin6_len = sizeof(struct sockaddr_in6); |
dst.sin6_len = sizeof(struct sockaddr_in6); |
/* KAME hack: recover scopeid */ |
dst.sin6_addr = ip6->ip6_dst; |
(void)in6_recoverscope(&dst, &ip6->ip6_dst, m->m_pkthdr.rcvif); |
|
dst.sin6_port = uh->uh_dport; |
dst.sin6_port = uh->uh_dport; |
|
|
if (udp6_realinput(AF_INET6, &src, &dst, m, off) == 0) { |
if (udp6_realinput(AF_INET6, &src, &dst, m, off) == 0) { |
Line 659 udp6_sendup(struct mbuf *m, int off /* o |
|
Line 702 udp6_sendup(struct mbuf *m, int off /* o |
|
#ifdef INET |
#ifdef INET |
static int |
static int |
udp4_realinput(struct sockaddr_in *src, struct sockaddr_in *dst, |
udp4_realinput(struct sockaddr_in *src, struct sockaddr_in *dst, |
struct mbuf *m, int off /* offset of udphdr */) |
struct mbuf **mp, int off /* offset of udphdr */) |
{ |
{ |
u_int16_t *sport, *dport; |
u_int16_t *sport, *dport; |
int rcvcnt; |
int rcvcnt; |
struct in_addr *src4, *dst4; |
struct in_addr *src4, *dst4; |
struct inpcb_hdr *inph; |
struct inpcb_hdr *inph; |
struct inpcb *inp; |
struct inpcb *inp; |
|
struct mbuf *m = *mp; |
|
|
rcvcnt = 0; |
rcvcnt = 0; |
off += sizeof(struct udphdr); /* now, offset of payload */ |
off += sizeof(struct udphdr); /* now, offset of payload */ |
Line 753 udp4_realinput(struct sockaddr_in *src, |
|
Line 797 udp4_realinput(struct sockaddr_in *src, |
|
if (inp->inp_flags & INP_ESPINUDP_ALL) { |
if (inp->inp_flags & INP_ESPINUDP_ALL) { |
struct sockaddr *sa = (struct sockaddr *)src; |
struct sockaddr *sa = (struct sockaddr *)src; |
|
|
if (udp4_espinudp(m, off, sa, inp->inp_socket) != 0) { |
switch(udp4_espinudp(mp, off, sa, inp->inp_socket)) { |
|
case -1: /* Error, m was freeed */ |
|
rcvcnt = -1; |
|
goto bad; |
|
break; |
|
|
|
case 1: /* ESP over UDP */ |
rcvcnt++; |
rcvcnt++; |
goto bad; |
goto bad; |
} |
break; |
|
|
/* Normal UDP processing will take place */ |
case 0: /* plain UDP */ |
|
default: /* Unexpected */ |
|
/* |
|
* Normal UDP processing will take place |
|
* m may have changed. |
|
*/ |
|
m = *mp; |
|
break; |
|
} |
} |
} |
#endif |
#endif |
|
|
Line 778 udp6_realinput(int af, struct sockaddr_i |
|
Line 836 udp6_realinput(int af, struct sockaddr_i |
|
{ |
{ |
u_int16_t sport, dport; |
u_int16_t sport, dport; |
int rcvcnt; |
int rcvcnt; |
struct in6_addr src6, dst6; |
struct in6_addr src6, *dst6; |
const struct in_addr *dst4; |
const struct in_addr *dst4; |
struct inpcb_hdr *inph; |
struct inpcb_hdr *inph; |
struct in6pcb *in6p; |
struct in6pcb *in6p; |
Line 791 udp6_realinput(int af, struct sockaddr_i |
|
Line 849 udp6_realinput(int af, struct sockaddr_i |
|
if (src->sin6_family != AF_INET6 || dst->sin6_family != AF_INET6) |
if (src->sin6_family != AF_INET6 || dst->sin6_family != AF_INET6) |
goto bad; |
goto bad; |
|
|
in6_embedscope(&src6, src, NULL, NULL); |
src6 = src->sin6_addr; |
|
if (sa6_recoverscope(src) != 0) { |
|
/* XXX: should be impossible. */ |
|
goto bad; |
|
} |
sport = src->sin6_port; |
sport = src->sin6_port; |
in6_embedscope(&dst6, dst, NULL, NULL); |
|
dport = dst->sin6_port; |
dport = dst->sin6_port; |
dst4 = (struct in_addr *)&dst->sin6_addr.s6_addr[12]; |
dst4 = (struct in_addr *)&dst->sin6_addr.s6_addr[12]; |
|
dst6 = &dst->sin6_addr; |
|
|
if (IN6_IS_ADDR_MULTICAST(&dst6) || |
if (IN6_IS_ADDR_MULTICAST(dst6) || |
(af == AF_INET && IN_MULTICAST(dst4->s_addr))) { |
(af == AF_INET && IN_MULTICAST(dst4->s_addr))) { |
/* |
/* |
* Deliver a multicast or broadcast datagram to *all* sockets |
* Deliver a multicast or broadcast datagram to *all* sockets |
Line 830 udp6_realinput(int af, struct sockaddr_i |
|
Line 893 udp6_realinput(int af, struct sockaddr_i |
|
if (in6p->in6p_lport != dport) |
if (in6p->in6p_lport != dport) |
continue; |
continue; |
if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) { |
if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) { |
if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &dst6)) |
if (!IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, |
|
dst6)) |
continue; |
continue; |
} else { |
} else { |
if (IN6_IS_ADDR_V4MAPPED(&dst6) && |
if (IN6_IS_ADDR_V4MAPPED(dst6) && |
(in6p->in6p_flags & IN6P_IPV6_V6ONLY)) |
(in6p->in6p_flags & IN6P_IPV6_V6ONLY)) |
continue; |
continue; |
} |
} |
Line 867 udp6_realinput(int af, struct sockaddr_i |
|
Line 931 udp6_realinput(int af, struct sockaddr_i |
|
/* |
/* |
* Locate pcb for datagram. |
* Locate pcb for datagram. |
*/ |
*/ |
in6p = in6_pcblookup_connect(&udbtable, &src6, sport, |
in6p = in6_pcblookup_connect(&udbtable, &src6, sport, dst6, |
&dst6, dport, 0); |
dport, 0); |
if (in6p == 0) { |
if (in6p == 0) { |
++udpstat.udps_pcbhashmiss; |
++udpstat.udps_pcbhashmiss; |
in6p = in6_pcblookup_bind(&udbtable, &dst6, dport, 0); |
in6p = in6_pcblookup_bind(&udbtable, dst6, dport, 0); |
if (in6p == 0) |
if (in6p == 0) |
return rcvcnt; |
return rcvcnt; |
} |
} |
Line 931 udp_ctlinput(int cmd, struct sockaddr *s |
|
Line 995 udp_ctlinput(int cmd, struct sockaddr *s |
|
} |
} |
|
|
int |
int |
udp_ctloutput(op, so, level, optname, mp) |
udp_ctloutput(int op, struct socket *so, int level, int optname, |
int op; |
struct mbuf **mp) |
struct socket *so; |
|
int level, optname; |
|
struct mbuf **mp; |
|
{ |
{ |
int s; |
int s; |
int error = 0; |
int error = 0; |
Line 966 udp_ctloutput(op, so, level, optname, mp |
|
Line 1027 udp_ctloutput(op, so, level, optname, mp |
|
default: |
default: |
error = EAFNOSUPPORT; |
error = EAFNOSUPPORT; |
goto end; |
goto end; |
break; |
|
} |
} |
|
|
|
|
Line 979 udp_ctloutput(op, so, level, optname, mp |
|
Line 1039 udp_ctloutput(op, so, level, optname, mp |
|
case UDP_ENCAP: |
case UDP_ENCAP: |
if (m == NULL || m->m_len < sizeof (int)) { |
if (m == NULL || m->m_len < sizeof (int)) { |
error = EINVAL; |
error = EINVAL; |
goto end; |
break; |
} |
} |
|
|
switch(*mtod(m, int *)) { |
switch(*mtod(m, int *)) { |
Line 1000 udp_ctloutput(op, so, level, optname, mp |
|
Line 1060 udp_ctloutput(op, so, level, optname, mp |
|
#endif |
#endif |
default: |
default: |
error = EINVAL; |
error = EINVAL; |
goto end; |
|
break; |
break; |
} |
} |
break; |
break; |
|
|
default: |
default: |
error = ENOPROTOOPT; |
error = ENOPROTOOPT; |
goto end; |
|
break; |
break; |
} |
} |
|
if (m != NULL) { |
|
m_free(m); |
|
} |
break; |
break; |
|
|
default: |
default: |
error = EINVAL; |
error = EINVAL; |
goto end; |
|
break; |
break; |
} |
} |
|
|
Line 1108 int udp_recvspace = 40 * (1024 + sizeof( |
|
Line 1168 int udp_recvspace = 40 * (1024 + sizeof( |
|
/*ARGSUSED*/ |
/*ARGSUSED*/ |
int |
int |
udp_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam, |
udp_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam, |
struct mbuf *control, struct proc *p) |
struct mbuf *control, struct lwp *l) |
{ |
{ |
struct inpcb *inp; |
struct inpcb *inp; |
int s; |
int s; |
Line 1116 udp_usrreq(struct socket *so, int req, s |
|
Line 1176 udp_usrreq(struct socket *so, int req, s |
|
|
|
if (req == PRU_CONTROL) |
if (req == PRU_CONTROL) |
return (in_control(so, (long)m, (caddr_t)nam, |
return (in_control(so, (long)m, (caddr_t)nam, |
(struct ifnet *)control, p)); |
(struct ifnet *)control, l)); |
|
|
|
s = splsoftnet(); |
|
|
if (req == PRU_PURGEIF) { |
if (req == PRU_PURGEIF) { |
in_pcbpurgeif0(&udbtable, (struct ifnet *)control); |
in_pcbpurgeif0(&udbtable, (struct ifnet *)control); |
in_purgeif((struct ifnet *)control); |
in_purgeif((struct ifnet *)control); |
in_pcbpurgeif(&udbtable, (struct ifnet *)control); |
in_pcbpurgeif(&udbtable, (struct ifnet *)control); |
|
splx(s); |
return (0); |
return (0); |
} |
} |
|
|
s = splsoftnet(); |
|
inp = sotoinpcb(so); |
inp = sotoinpcb(so); |
#ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
if (req != PRU_SEND && req != PRU_SENDOOB && control) |
if (req != PRU_SEND && req != PRU_SENDOOB && control) |
Line 1169 udp_usrreq(struct socket *so, int req, s |
|
Line 1231 udp_usrreq(struct socket *so, int req, s |
|
break; |
break; |
|
|
case PRU_BIND: |
case PRU_BIND: |
error = in_pcbbind(inp, nam, p); |
error = in_pcbbind(inp, nam, l); |
break; |
break; |
|
|
case PRU_LISTEN: |
case PRU_LISTEN: |
Line 1177 udp_usrreq(struct socket *so, int req, s |
|
Line 1239 udp_usrreq(struct socket *so, int req, s |
|
break; |
break; |
|
|
case PRU_CONNECT: |
case PRU_CONNECT: |
error = in_pcbconnect(inp, nam); |
error = in_pcbconnect(inp, nam, l); |
if (error) |
if (error) |
break; |
break; |
soisconnected(so); |
soisconnected(so); |
Line 1219 udp_usrreq(struct socket *so, int req, s |
|
Line 1281 udp_usrreq(struct socket *so, int req, s |
|
error = EISCONN; |
error = EISCONN; |
goto die; |
goto die; |
} |
} |
error = in_pcbconnect(inp, nam); |
error = in_pcbconnect(inp, nam, l); |
if (error) |
if (error) |
goto die; |
goto die; |
} else { |
} else { |
Line 1333 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
Line 1395 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
sysctl_inpcblist, 0, &udbtable, 0, |
sysctl_inpcblist, 0, &udbtable, 0, |
CTL_NET, PF_INET, IPPROTO_UDP, CTL_CREATE, |
CTL_NET, PF_INET, IPPROTO_UDP, CTL_CREATE, |
CTL_EOL); |
CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_STRUCT, "stats", |
|
SYSCTL_DESCR("UDP statistics"), |
|
NULL, 0, &udpstat, sizeof(udpstat), |
|
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS, |
|
CTL_EOL); |
} |
} |
#endif |
#endif |
|
|
Line 1341 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
Line 1410 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
* Returns: |
* Returns: |
* 1 if the packet was processed |
* 1 if the packet was processed |
* 0 if normal UDP processing should take place |
* 0 if normal UDP processing should take place |
|
* -1 if an error occurent and m was freed |
*/ |
*/ |
static int |
static int |
udp4_espinudp(m, off, src, so) |
udp4_espinudp(struct mbuf **mp, int off, struct sockaddr *src, |
struct mbuf *m; |
struct socket *so) |
int off; |
|
struct sockaddr *src; |
|
struct socket *so; |
|
{ |
{ |
size_t len; |
size_t len; |
caddr_t data; |
caddr_t data; |
Line 1360 udp4_espinudp(m, off, src, so) |
|
Line 1427 udp4_espinudp(m, off, src, so) |
|
struct m_tag *tag; |
struct m_tag *tag; |
struct udphdr *udphdr; |
struct udphdr *udphdr; |
u_int16_t sport, dport; |
u_int16_t sport, dport; |
|
struct mbuf *m = *mp; |
|
|
/* |
/* |
* Collapse the mbuf chain if the first mbuf is too short |
* Collapse the mbuf chain if the first mbuf is too short |
Line 1370 udp4_espinudp(m, off, src, so) |
|
Line 1438 udp4_espinudp(m, off, src, so) |
|
minlen = m->m_pkthdr.len; |
minlen = m->m_pkthdr.len; |
|
|
if (m->m_len < minlen) { |
if (m->m_len < minlen) { |
if ((m = m_pullup(m, minlen)) == NULL) { |
if ((*mp = m_pullup(m, minlen)) == NULL) { |
printf("udp4_espinudp: m_pullup failed\n"); |
printf("udp4_espinudp: m_pullup failed\n"); |
return 0; |
return -1; |
} |
} |
|
m = *mp; |
} |
} |
|
|
len = m->m_len - off; |
len = m->m_len - off; |
Line 1400 udp4_espinudp(m, off, src, so) |
|
Line 1469 udp4_espinudp(m, off, src, so) |
|
} |
} |
|
|
if (inp->inp_flags & INP_ESPINUDP_NON_IKE) { |
if (inp->inp_flags & INP_ESPINUDP_NON_IKE) { |
u_int64_t *st = (u_int64_t *)data; |
u_int32_t *st = (u_int32_t *)data; |
|
|
if ((len <= sizeof(u_int64_t) + sizeof(struct esp)) |
if ((len <= sizeof(u_int64_t) + sizeof(struct esp)) |
|| (*st != 0)) |
|| ((st[0] | st[1]) != 0)) |
return 0; /* Normal UDP processing */ |
return 0; /* Normal UDP processing */ |
|
|
skip = sizeof(struct udphdr) + sizeof(u_int64_t); |
skip = sizeof(struct udphdr) + sizeof(u_int64_t); |
Line 1459 udp4_espinudp(m, off, src, so) |
|
Line 1528 udp4_espinudp(m, off, src, so) |
|
if ((tag = m_tag_get(PACKET_TAG_IPSEC_NAT_T_PORTS, |
if ((tag = m_tag_get(PACKET_TAG_IPSEC_NAT_T_PORTS, |
sizeof(sport) + sizeof(dport), M_DONTWAIT)) == NULL) { |
sizeof(sport) + sizeof(dport), M_DONTWAIT)) == NULL) { |
printf("udp4_espinudp: m_tag_get failed\n"); |
printf("udp4_espinudp: m_tag_get failed\n"); |
|
m_freem(n); |
return 0; |
return 0; |
} |
} |
((u_int16_t *)(tag + 1))[0] = sport; |
((u_int16_t *)(tag + 1))[0] = sport; |
((u_int16_t *)(tag + 1))[1] = dport; |
((u_int16_t *)(tag + 1))[1] = dport; |
m_tag_prepend(n, tag); |
m_tag_prepend(n, tag); |
|
|
|
#ifdef FAST_IPSEC |
|
ipsec4_common_input(n, iphdrlen); |
|
#else |
esp4_input(n, iphdrlen); |
esp4_input(n, iphdrlen); |
|
#endif |
|
|
/* We handled it, it shoudln't be handled by UDP */ |
/* We handled it, it shoudln't be handled by UDP */ |
return 1; |
return 1; |