version 1.146.4.1, 2006/04/22 11:40:11 |
version 1.177, 2009/04/18 14:58:05 |
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__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#include "opt_inet.h" |
#include "opt_inet.h" |
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#include "opt_compat_netbsd.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_inet_csum.h" |
#include "opt_inet_csum.h" |
#include "opt_ipkdb.h" |
#include "opt_ipkdb.h" |
Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 95 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet/ip_icmp.h> |
#include <netinet/ip_icmp.h> |
#include <netinet/udp.h> |
#include <netinet/udp.h> |
#include <netinet/udp_var.h> |
#include <netinet/udp_var.h> |
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#include <netinet/udp_private.h> |
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#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> |
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#include <netinet6/ip6_private.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/udp6_var.h> |
#include <netinet6/udp6_var.h> |
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#include <netinet6/udp6_private.h> |
#include <netinet6/scope6_var.h> |
#include <netinet6/scope6_var.h> |
#endif |
#endif |
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Line 118 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 122 __KERNEL_RCSID(0, "$NetBSD$"); |
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#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> |
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#include <netipsec/ipsec_private.h> |
#include <netipsec/esp.h> |
#include <netipsec/esp.h> |
#ifdef INET6 |
#ifdef INET6 |
#include <netipsec/ipsec6.h> |
#include <netipsec/ipsec6.h> |
#endif |
#endif |
#endif /* FAST_IPSEC*/ |
#endif /* FAST_IPSEC */ |
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#ifdef IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
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#include <netinet6/ipsec_private.h> |
#include <netinet6/esp.h> |
#include <netinet6/esp.h> |
#include <netkey/key.h> |
#include <netkey/key.h> |
#endif /*IPSEC*/ |
#endif /* IPSEC */ |
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#ifdef COMPAT_50 |
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#include <compat/sys/socket.h> |
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#endif |
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#ifdef IPKDB |
#ifdef IPKDB |
#include <ipkdb/ipkdb.h> |
#include <ipkdb/ipkdb.h> |
Line 139 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 149 __KERNEL_RCSID(0, "$NetBSD$"); |
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* UDP protocol implementation. |
* UDP protocol implementation. |
* Per RFC 768, August, 1980. |
* Per RFC 768, August, 1980. |
*/ |
*/ |
#ifndef COMPAT_42 |
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int udpcksum = 1; |
int udpcksum = 1; |
#else |
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int udpcksum = 0; /* XXX */ |
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#endif |
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int udp_do_loopback_cksum = 0; |
int udp_do_loopback_cksum = 0; |
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struct inpcbtable udbtable; |
struct inpcbtable udbtable; |
struct udpstat udpstat; |
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percpu_t *udpstat_percpu; |
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#ifdef INET |
#ifdef INET |
#ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
Line 177 static void udp_notify (struct inpcb *, |
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Line 184 static void udp_notify (struct inpcb *, |
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int udbhashsize = UDBHASHSIZE; |
int udbhashsize = UDBHASHSIZE; |
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#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 |
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#ifdef UDP_CSUM_COUNTERS |
#ifdef UDP_CSUM_COUNTERS |
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MOWNER_ATTACH(&udp_tx_mowner); |
MOWNER_ATTACH(&udp_tx_mowner); |
MOWNER_ATTACH(&udp_rx_mowner); |
MOWNER_ATTACH(&udp_rx_mowner); |
MOWNER_ATTACH(&udp_mowner); |
MOWNER_ATTACH(&udp_mowner); |
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#ifdef INET |
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udpstat_percpu = percpu_alloc(sizeof(uint64_t) * UDP_NSTATS); |
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#endif |
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#ifdef INET6 |
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udp6stat_percpu = percpu_alloc(sizeof(uint64_t) * UDP6_NSTATS); |
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#endif |
} |
} |
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/* |
/* |
Line 328 udp4_input_checksum(struct mbuf *m, cons |
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Line 342 udp4_input_checksum(struct mbuf *m, cons |
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return 0; |
return 0; |
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badcsum: |
badcsum: |
udpstat.udps_badsum++; |
UDP_STATINC(UDP_STAT_BADSUM); |
return -1; |
return -1; |
} |
} |
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Line 350 udp_input(struct mbuf *m, ...) |
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Line 364 udp_input(struct mbuf *m, ...) |
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va_end(ap); |
va_end(ap); |
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MCLAIM(m, &udp_rx_mowner); |
MCLAIM(m, &udp_rx_mowner); |
udpstat.udps_ipackets++; |
UDP_STATINC(UDP_STAT_IPACKETS); |
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/* |
/* |
* Get IP and UDP header together in first mbuf. |
* Get IP and UDP header together in first mbuf. |
Line 358 udp_input(struct mbuf *m, ...) |
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Line 372 udp_input(struct mbuf *m, ...) |
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ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
IP6_EXTHDR_GET(uh, struct udphdr *, m, iphlen, sizeof(struct udphdr)); |
IP6_EXTHDR_GET(uh, struct udphdr *, m, iphlen, sizeof(struct udphdr)); |
if (uh == NULL) { |
if (uh == NULL) { |
udpstat.udps_hdrops++; |
UDP_STATINC(UDP_STAT_HDROPS); |
return; |
return; |
} |
} |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
Line 375 udp_input(struct mbuf *m, ...) |
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Line 389 udp_input(struct mbuf *m, ...) |
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len = ntohs((u_int16_t)uh->uh_ulen); |
len = ntohs((u_int16_t)uh->uh_ulen); |
if (ip_len != iphlen + len) { |
if (ip_len != iphlen + len) { |
if (ip_len < iphlen + len || len < sizeof(struct udphdr)) { |
if (ip_len < iphlen + len || len < sizeof(struct udphdr)) { |
udpstat.udps_badlen++; |
UDP_STATINC(UDP_STAT_BADLEN); |
goto bad; |
goto bad; |
} |
} |
m_adj(m, iphlen + len - ip_len); |
m_adj(m, iphlen + len - ip_len); |
Line 388 udp_input(struct mbuf *m, ...) |
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Line 402 udp_input(struct mbuf *m, ...) |
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goto badcsum; |
goto badcsum; |
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/* construct source and dst sockaddrs. */ |
/* construct source and dst sockaddrs. */ |
bzero(&src, sizeof(src)); |
sockaddr_in_init(&src, &ip->ip_src, uh->uh_sport); |
src.sin_family = AF_INET; |
sockaddr_in_init(&dst, &ip->ip_dst, uh->uh_dport); |
src.sin_len = sizeof(struct sockaddr_in); |
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bcopy(&ip->ip_src, &src.sin_addr, sizeof(src.sin_addr)); |
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src.sin_port = uh->uh_sport; |
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bzero(&dst, sizeof(dst)); |
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dst.sin_family = AF_INET; |
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dst.sin_len = sizeof(struct sockaddr_in); |
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bcopy(&ip->ip_dst, &dst.sin_addr, sizeof(dst.sin_addr)); |
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dst.sin_port = uh->uh_dport; |
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if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
udpstat.udps_hdrops++; |
UDP_STATINC(UDP_STAT_HDROPS); |
return; |
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; |
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bzero(&src6, sizeof(src6)); |
memset(&src6, 0, sizeof(src6)); |
src6.sin6_family = AF_INET6; |
src6.sin6_family = AF_INET6; |
src6.sin6_len = sizeof(struct sockaddr_in6); |
src6.sin6_len = sizeof(struct sockaddr_in6); |
src6.sin6_addr.s6_addr[10] = src6.sin6_addr.s6_addr[11] = 0xff; |
src6.sin6_addr.s6_addr[10] = src6.sin6_addr.s6_addr[11] = 0xff; |
bcopy(&ip->ip_src, &src6.sin6_addr.s6_addr[12], |
memcpy(&src6.sin6_addr.s6_addr[12], &ip->ip_src, |
sizeof(ip->ip_src)); |
sizeof(ip->ip_src)); |
src6.sin6_port = uh->uh_sport; |
src6.sin6_port = uh->uh_sport; |
bzero(&dst6, sizeof(dst6)); |
memset(&dst6, 0, sizeof(dst6)); |
dst6.sin6_family = AF_INET6; |
dst6.sin6_family = AF_INET6; |
dst6.sin6_len = sizeof(struct sockaddr_in6); |
dst6.sin6_len = sizeof(struct sockaddr_in6); |
dst6.sin6_addr.s6_addr[10] = dst6.sin6_addr.s6_addr[11] = 0xff; |
dst6.sin6_addr.s6_addr[10] = dst6.sin6_addr.s6_addr[11] = 0xff; |
bcopy(&ip->ip_dst, &dst6.sin6_addr.s6_addr[12], |
memcpy(&dst6.sin6_addr.s6_addr[12], &ip->ip_dst, |
sizeof(ip->ip_dst)); |
sizeof(ip->ip_dst)); |
dst6.sin6_port = uh->uh_dport; |
dst6.sin6_port = uh->uh_dport; |
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Line 428 udp_input(struct mbuf *m, ...) |
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Line 434 udp_input(struct mbuf *m, ...) |
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if (n == 0) { |
if (n == 0) { |
if (m->m_flags & (M_BCAST | M_MCAST)) { |
if (m->m_flags & (M_BCAST | M_MCAST)) { |
udpstat.udps_noportbcast++; |
UDP_STATINC(UDP_STAT_NOPORTBCAST); |
goto bad; |
goto bad; |
} |
} |
udpstat.udps_noport++; |
UDP_STATINC(UDP_STAT_NOPORT); |
#ifdef IPKDB |
#ifdef IPKDB |
if (checkipkdb(&ip->ip_src, uh->uh_sport, uh->uh_dport, |
if (checkipkdb(&ip->ip_src, uh->uh_sport, uh->uh_dport, |
m, iphlen + sizeof(struct udphdr), |
m, iphlen + sizeof(struct udphdr), |
Line 471 udp6_input_checksum(struct mbuf *m, cons |
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Line 477 udp6_input_checksum(struct mbuf *m, cons |
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goto good; |
goto good; |
} |
} |
if (uh->uh_sum == 0) { |
if (uh->uh_sum == 0) { |
udp6stat.udp6s_nosum++; |
UDP6_STATINC(UDP6_STAT_NOSUM); |
goto bad; |
goto bad; |
} |
} |
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Line 480 udp6_input_checksum(struct mbuf *m, cons |
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Line 486 udp6_input_checksum(struct mbuf *m, cons |
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M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD: |
case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD: |
UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad); |
UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad); |
udp6stat.udp6s_badsum++; |
UDP6_STATINC(UDP6_STAT_BADSUM); |
goto bad; |
goto bad; |
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#if 0 /* notyet */ |
#if 0 /* notyet */ |
Line 499 udp6_input_checksum(struct mbuf *m, cons |
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Line 505 udp6_input_checksum(struct mbuf *m, cons |
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*/ |
*/ |
UDP_CSUM_COUNTER_INCR(&udp6_swcsum); |
UDP_CSUM_COUNTER_INCR(&udp6_swcsum); |
if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
udp6stat.udp6s_badsum++; |
UDP6_STATINC(UDP6_STAT_BADSUM); |
goto bad; |
goto bad; |
} |
} |
} |
} |
Line 530 udp6_input(struct mbuf **mp, int *offp, |
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Line 536 udp6_input(struct mbuf **mp, int *offp, |
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} |
} |
#endif |
#endif |
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udp6stat.udp6s_ipackets++; |
UDP6_STATINC(UDP6_STAT_IPACKETS); |
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/* check for jumbogram is done in ip6_input. we can trust pkthdr.len */ |
/* check for jumbogram is done in ip6_input. we can trust pkthdr.len */ |
plen = m->m_pkthdr.len - off; |
plen = m->m_pkthdr.len - off; |
IP6_EXTHDR_GET(uh, struct udphdr *, m, off, sizeof(struct udphdr)); |
IP6_EXTHDR_GET(uh, struct udphdr *, m, off, sizeof(struct udphdr)); |
if (uh == NULL) { |
if (uh == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return IPPROTO_DONE; |
return IPPROTO_DONE; |
} |
} |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
Line 549 udp6_input(struct mbuf **mp, int *offp, |
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Line 555 udp6_input(struct mbuf **mp, int *offp, |
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ulen = plen; |
ulen = plen; |
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if (plen != ulen) { |
if (plen != ulen) { |
udp6stat.udp6s_badlen++; |
UDP6_STATINC(UDP6_STAT_BADLEN); |
goto bad; |
goto bad; |
} |
} |
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Line 574 udp6_input(struct mbuf **mp, int *offp, |
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Line 580 udp6_input(struct mbuf **mp, int *offp, |
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/* |
/* |
* Construct source and dst sockaddrs. |
* Construct source and dst sockaddrs. |
*/ |
*/ |
bzero(&src, sizeof(src)); |
memset(&src, 0, 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); |
src.sin6_addr = ip6->ip6_src; |
src.sin6_addr = ip6->ip6_src; |
src.sin6_port = uh->uh_sport; |
src.sin6_port = uh->uh_sport; |
bzero(&dst, sizeof(dst)); |
memset(&dst, 0, 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); |
dst.sin6_addr = ip6->ip6_dst; |
dst.sin6_addr = ip6->ip6_dst; |
Line 587 udp6_input(struct mbuf **mp, int *offp, |
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Line 593 udp6_input(struct mbuf **mp, int *offp, |
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if (udp6_realinput(AF_INET6, &src, &dst, m, off) == 0) { |
if (udp6_realinput(AF_INET6, &src, &dst, m, off) == 0) { |
if (m->m_flags & M_MCAST) { |
if (m->m_flags & M_MCAST) { |
udp6stat.udp6s_noportmcast++; |
UDP6_STATINC(UDP6_STAT_NOPORTMCAST); |
goto bad; |
goto bad; |
} |
} |
udp6stat.udp6s_noport++; |
UDP6_STATINC(UDP6_STAT_NOPORT); |
icmp6_error(m, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT, 0); |
icmp6_error(m, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT, 0); |
m = NULL; |
m = NULL; |
} |
} |
Line 628 udp4_sendup(struct mbuf *m, int off /* o |
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Line 634 udp4_sendup(struct mbuf *m, int off /* o |
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#if defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (so != NULL && ipsec4_in_reject_so(m, so)) { |
if (so != NULL && ipsec4_in_reject_so(m, so)) { |
ipsecstat.in_polvio++; |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
if ((n = m_copy(m, 0, M_COPYALL)) != NULL) |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) |
icmp_error(n, ICMP_UNREACH, ICMP_UNREACH_ADMIN_PROHIBIT, |
icmp_error(n, ICMP_UNREACH, ICMP_UNREACH_ADMIN_PROHIBIT, |
0, 0); |
0, 0); |
return; |
return; |
} |
} |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
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if ((n = m_copy(m, 0, M_COPYALL)) != NULL) { |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { |
if (inp && (inp->inp_flags & INP_CONTROLOPTS |
if (inp && (inp->inp_flags & INP_CONTROLOPTS |
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#ifdef SO_OTIMESTAMP |
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|| so->so_options & SO_OTIMESTAMP |
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#endif |
|| so->so_options & SO_TIMESTAMP)) { |
|| so->so_options & SO_TIMESTAMP)) { |
struct ip *ip = mtod(n, struct ip *); |
struct ip *ip = mtod(n, struct ip *); |
ip_savecontrol(inp, &opts, ip, n); |
ip_savecontrol(inp, &opts, ip, n); |
Line 650 udp4_sendup(struct mbuf *m, int off /* o |
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Line 659 udp4_sendup(struct mbuf *m, int off /* o |
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if (opts) |
if (opts) |
m_freem(opts); |
m_freem(opts); |
so->so_rcv.sb_overflowed++; |
so->so_rcv.sb_overflowed++; |
udpstat.udps_fullsock++; |
UDP_STATINC(UDP_STAT_FULLSOCK); |
} else |
} else |
sorwakeup(so); |
sorwakeup(so); |
} |
} |
Line 675 udp6_sendup(struct mbuf *m, int off /* o |
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Line 684 udp6_sendup(struct mbuf *m, int off /* o |
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#if defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (so != NULL && ipsec6_in_reject_so(m, so)) { |
if (so != NULL && ipsec6_in_reject_so(m, so)) { |
ipsec6stat.in_polvio++; |
IPSEC6_STATINC(IPSEC_STAT_IN_POLVIO); |
if ((n = m_copy(m, 0, M_COPYALL)) != NULL) |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) |
icmp6_error(n, ICMP6_DST_UNREACH, |
icmp6_error(n, ICMP6_DST_UNREACH, |
ICMP6_DST_UNREACH_ADMIN, 0); |
ICMP6_DST_UNREACH_ADMIN, 0); |
return; |
return; |
} |
} |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
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if ((n = m_copy(m, 0, M_COPYALL)) != NULL) { |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { |
if (in6p && (in6p->in6p_flags & IN6P_CONTROLOPTS |
if (in6p && (in6p->in6p_flags & IN6P_CONTROLOPTS |
|| in6p->in6p_socket->so_options & SO_TIMESTAMP)) { |
#ifdef SO_OTIMESTAMP |
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|| in6p->in6p_socket->so_options & SO_OTIMESTAMP |
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#endif |
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|| in6p->in6p_socket->so_options & SO_TIMESTAMP)) { |
struct ip6_hdr *ip6 = mtod(n, struct ip6_hdr *); |
struct ip6_hdr *ip6 = mtod(n, struct ip6_hdr *); |
ip6_savecontrol(in6p, &opts, ip6, n); |
ip6_savecontrol(in6p, &opts, ip6, n); |
} |
} |
Line 696 udp6_sendup(struct mbuf *m, int off /* o |
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Line 708 udp6_sendup(struct mbuf *m, int off /* o |
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if (opts) |
if (opts) |
m_freem(opts); |
m_freem(opts); |
so->so_rcv.sb_overflowed++; |
so->so_rcv.sb_overflowed++; |
udp6stat.udp6s_fullsock++; |
UDP6_STATINC(UDP6_STAT_FULLSOCK); |
} else |
} else |
sorwakeup(so); |
sorwakeup(so); |
} |
} |
Line 790 udp4_realinput(struct sockaddr_in *src, |
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Line 802 udp4_realinput(struct sockaddr_in *src, |
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*/ |
*/ |
inp = in_pcblookup_connect(&udbtable, *src4, *sport, *dst4, *dport); |
inp = in_pcblookup_connect(&udbtable, *src4, *sport, *dst4, *dport); |
if (inp == 0) { |
if (inp == 0) { |
++udpstat.udps_pcbhashmiss; |
UDP_STATINC(UDP_STAT_PCBHASHMISS); |
inp = in_pcblookup_bind(&udbtable, *dst4, *dport); |
inp = in_pcblookup_bind(&udbtable, *dst4, *dport); |
if (inp == 0) |
if (inp == 0) |
return rcvcnt; |
return rcvcnt; |
Line 938 udp6_realinput(int af, struct sockaddr_i |
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Line 950 udp6_realinput(int af, struct sockaddr_i |
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in6p = in6_pcblookup_connect(&udbtable, &src6, sport, dst6, |
in6p = in6_pcblookup_connect(&udbtable, &src6, sport, dst6, |
dport, 0); |
dport, 0); |
if (in6p == 0) { |
if (in6p == 0) { |
++udpstat.udps_pcbhashmiss; |
UDP_STATINC(UDP_STAT_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 967 udp_notify(struct inpcb *inp, int errno) |
|
Line 979 udp_notify(struct inpcb *inp, int errno) |
|
} |
} |
|
|
void * |
void * |
udp_ctlinput(int cmd, struct sockaddr *sa, void *v) |
udp_ctlinput(int cmd, const struct sockaddr *sa, void *v) |
{ |
{ |
struct ip *ip = v; |
struct ip *ip = v; |
struct udphdr *uh; |
struct udphdr *uh; |
Line 987 udp_ctlinput(int cmd, struct sockaddr *s |
|
Line 999 udp_ctlinput(int cmd, struct sockaddr *s |
|
else if (errno == 0) |
else if (errno == 0) |
return NULL; |
return NULL; |
if (ip) { |
if (ip) { |
uh = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2)); |
uh = (struct udphdr *)((char *)ip + (ip->ip_hl << 2)); |
in_pcbnotify(&udbtable, satosin(sa)->sin_addr, uh->uh_dport, |
in_pcbnotify(&udbtable, satocsin(sa)->sin_addr, uh->uh_dport, |
ip->ip_src, uh->uh_sport, errno, notify); |
ip->ip_src, uh->uh_sport, errno, notify); |
|
|
/* XXX mapped address case */ |
/* XXX mapped address case */ |
} else |
} else |
in_pcbnotifyall(&udbtable, satosin(sa)->sin_addr, errno, |
in_pcbnotifyall(&udbtable, satocsin(sa)->sin_addr, errno, |
notify); |
notify); |
return NULL; |
return NULL; |
} |
} |
|
|
int |
int |
udp_ctloutput(op, so, level, optname, mp) |
udp_ctloutput(int op, struct socket *so, struct sockopt *sopt) |
int op; |
|
struct socket *so; |
|
int level, optname; |
|
struct mbuf **mp; |
|
{ |
{ |
int s; |
int s; |
int error = 0; |
int error = 0; |
struct mbuf *m; |
|
struct inpcb *inp; |
struct inpcb *inp; |
int family; |
int family; |
|
int optval; |
|
|
family = so->so_proto->pr_domain->dom_family; |
family = so->so_proto->pr_domain->dom_family; |
|
|
Line 1017 udp_ctloutput(op, so, level, optname, mp |
|
Line 1025 udp_ctloutput(op, so, level, optname, mp |
|
switch (family) { |
switch (family) { |
#ifdef INET |
#ifdef INET |
case PF_INET: |
case PF_INET: |
if (level != IPPROTO_UDP) { |
if (sopt->sopt_level != IPPROTO_UDP) { |
error = ip_ctloutput(op, so, level, optname, mp); |
error = ip_ctloutput(op, so, sopt); |
goto end; |
goto end; |
} |
} |
break; |
break; |
#endif |
#endif |
#ifdef INET6 |
#ifdef INET6 |
case PF_INET6: |
case PF_INET6: |
if (level != IPPROTO_UDP) { |
if (sopt->sopt_level != IPPROTO_UDP) { |
error = ip6_ctloutput(op, so, level, optname, mp); |
error = ip6_ctloutput(op, so, sopt); |
goto end; |
goto end; |
} |
} |
break; |
break; |
Line 1034 udp_ctloutput(op, so, level, optname, mp |
|
Line 1042 udp_ctloutput(op, so, level, optname, mp |
|
default: |
default: |
error = EAFNOSUPPORT; |
error = EAFNOSUPPORT; |
goto end; |
goto end; |
break; |
|
} |
} |
|
|
|
|
switch (op) { |
switch (op) { |
case PRCO_SETOPT: |
case PRCO_SETOPT: |
m = *mp; |
|
inp = sotoinpcb(so); |
inp = sotoinpcb(so); |
|
|
switch (optname) { |
switch (sopt->sopt_name) { |
case UDP_ENCAP: |
case UDP_ENCAP: |
if (m == NULL || m->m_len < sizeof (int)) { |
error = sockopt_getint(sopt, &optval); |
error = EINVAL; |
if (error) |
goto end; |
break; |
} |
|
|
|
switch(*mtod(m, int *)) { |
switch(optval) { |
#ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
case 0: |
case 0: |
inp->inp_flags &= ~INP_ESPINUDP_ALL; |
inp->inp_flags &= ~INP_ESPINUDP_ALL; |
Line 1068 udp_ctloutput(op, so, level, optname, mp |
|
Line 1073 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; |
} |
} |
break; |
break; |
|
|
default: |
default: |
error = EINVAL; |
error = EINVAL; |
goto end; |
|
break; |
break; |
} |
} |
|
|
Line 1158 udp_output(struct mbuf *m, ...) |
|
Line 1160 udp_output(struct mbuf *m, ...) |
|
((struct ip *)ui)->ip_len = htons(sizeof (struct udpiphdr) + len); |
((struct ip *)ui)->ip_len = htons(sizeof (struct udpiphdr) + len); |
((struct ip *)ui)->ip_ttl = inp->inp_ip.ip_ttl; /* XXX */ |
((struct ip *)ui)->ip_ttl = inp->inp_ip.ip_ttl; /* XXX */ |
((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos; /* XXX */ |
((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos; /* XXX */ |
udpstat.udps_opackets++; |
UDP_STATINC(UDP_STAT_OPACKETS); |
|
|
return (ip_output(m, inp->inp_options, ro, |
return (ip_output(m, inp->inp_options, ro, |
inp->inp_socket->so_options & (SO_DONTROUTE | SO_BROADCAST), |
inp->inp_socket->so_options & (SO_DONTROUTE | SO_BROADCAST), |
Line 1179 udp_usrreq(struct socket *so, int req, s |
|
Line 1181 udp_usrreq(struct socket *so, int req, s |
|
struct mbuf *control, struct lwp *l) |
struct mbuf *control, struct lwp *l) |
{ |
{ |
struct inpcb *inp; |
struct inpcb *inp; |
struct proc *p; |
|
int s; |
int s; |
int error = 0; |
int error = 0; |
|
|
p = l ? l->l_proc : NULL; |
|
if (req == PRU_CONTROL) |
if (req == PRU_CONTROL) |
return (in_control(so, (long)m, (caddr_t)nam, |
return (in_control(so, (long)m, (void *)nam, |
(struct ifnet *)control, p)); |
(struct ifnet *)control, l)); |
|
|
|
s = splsoftnet(); |
|
|
if (req == PRU_PURGEIF) { |
if (req == PRU_PURGEIF) { |
|
mutex_enter(softnet_lock); |
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); |
|
mutex_exit(softnet_lock); |
|
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) |
panic("udp_usrreq: unexpected control mbuf"); |
panic("udp_usrreq: unexpected control mbuf"); |
#endif |
#endif |
if (inp == 0 && req != PRU_ATTACH) { |
if (req == PRU_ATTACH) { |
|
sosetlock(so); |
|
} else if (inp == 0) { |
error = EINVAL; |
error = EINVAL; |
goto release; |
goto release; |
} |
} |
Line 1239 udp_usrreq(struct socket *so, int req, s |
|
Line 1245 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 1247 udp_usrreq(struct socket *so, int req, s |
|
Line 1253 udp_usrreq(struct socket *so, int req, s |
|
break; |
break; |
|
|
case PRU_CONNECT: |
case PRU_CONNECT: |
error = in_pcbconnect(inp, nam, p); |
error = in_pcbconnect(inp, nam, l); |
if (error) |
if (error) |
break; |
break; |
soisconnected(so); |
soisconnected(so); |
Line 1289 udp_usrreq(struct socket *so, int req, s |
|
Line 1295 udp_usrreq(struct socket *so, int req, s |
|
error = EISCONN; |
error = EISCONN; |
goto die; |
goto die; |
} |
} |
error = in_pcbconnect(inp, nam, p); |
error = in_pcbconnect(inp, nam, l); |
if (error) |
if (error) |
goto die; |
goto die; |
} else { |
} else { |
|
|
return (error); |
return (error); |
} |
} |
|
|
|
static int |
|
sysctl_net_inet_udp_stats(SYSCTLFN_ARGS) |
|
{ |
|
|
|
return (NETSTAT_SYSCTL(udpstat_percpu, UDP_NSTATS)); |
|
} |
|
|
/* |
/* |
* Sysctl for udp variables. |
* Sysctl for udp variables. |
*/ |
*/ |
Line 1407 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
Line 1420 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_STRUCT, "stats", |
CTLTYPE_STRUCT, "stats", |
SYSCTL_DESCR("UDP statistics"), |
SYSCTL_DESCR("UDP statistics"), |
NULL, 0, &udpstat, sizeof(udpstat), |
sysctl_net_inet_udp_stats, 0, NULL, 0, |
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS, |
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS, |
CTL_EOL); |
CTL_EOL); |
} |
} |
#endif |
#endif |
|
|
|
void |
|
udp_statinc(u_int stat) |
|
{ |
|
|
|
KASSERT(stat < UDP_NSTATS); |
|
UDP_STATINC(stat); |
|
} |
|
|
#if (defined INET && defined IPSEC_NAT_T) |
#if (defined INET && defined IPSEC_NAT_T) |
/* |
/* |
* Returns: |
* Returns: |
Line 1421 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
Line 1442 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
* -1 if an error occurent and m was freed |
* -1 if an error occurent and m was freed |
*/ |
*/ |
static int |
static int |
udp4_espinudp(mp, off, src, so) |
udp4_espinudp(struct mbuf **mp, int off, struct sockaddr *src, |
struct mbuf **mp; |
struct socket *so) |
int off; |
|
struct sockaddr *src; |
|
struct socket *so; |
|
{ |
{ |
size_t len; |
size_t len; |
caddr_t data; |
void *data; |
struct inpcb *inp; |
struct inpcb *inp; |
size_t skip = 0; |
size_t skip = 0; |
size_t minlen; |
size_t minlen; |
Line 1457 udp4_espinudp(mp, off, src, so) |
|
Line 1475 udp4_espinudp(mp, off, src, so) |
|
} |
} |
|
|
len = m->m_len - off; |
len = m->m_len - off; |
data = mtod(m, caddr_t) + off; |
data = mtod(m, char *) + off; |
inp = sotoinpcb(so); |
inp = sotoinpcb(so); |
|
|
/* Ignore keepalive packets */ |
/* Ignore keepalive packets */ |
if ((len == 1) && (data[0] == '\xff')) { |
if ((len == 1) && (*(unsigned char *)data == 0xff)) { |
return 1; |
return 1; |
} |
} |
|
|
Line 1493 udp4_espinudp(mp, off, src, so) |
|
Line 1511 udp4_espinudp(mp, off, src, so) |
|
* Get the UDP ports. They are handled in network |
* Get the UDP ports. They are handled in network |
* order everywhere in IPSEC_NAT_T code. |
* order everywhere in IPSEC_NAT_T code. |
*/ |
*/ |
udphdr = (struct udphdr *)(data - skip); |
udphdr = (struct udphdr *)((char *)data - skip); |
sport = udphdr->uh_sport; |
sport = udphdr->uh_sport; |
dport = udphdr->uh_dport; |
dport = udphdr->uh_dport; |
|
|
Line 1513 udp4_espinudp(mp, off, src, so) |
|
Line 1531 udp4_espinudp(mp, off, src, so) |
|
* <-skip-> |
* <-skip-> |
*/ |
*/ |
iphdrlen = off - sizeof(struct udphdr); |
iphdrlen = off - sizeof(struct udphdr); |
memmove(mtod(m, caddr_t) + skip, mtod(m, caddr_t), iphdrlen); |
memmove(mtod(m, char *) + skip, mtod(m, void *), iphdrlen); |
m_adj(m, skip); |
m_adj(m, skip); |
|
|
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
Line 1547 udp4_espinudp(mp, off, src, so) |
|
Line 1565 udp4_espinudp(mp, off, src, so) |
|
m_tag_prepend(n, tag); |
m_tag_prepend(n, tag); |
|
|
#ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
ipsec4_common_input(n, iphdrlen); |
ipsec4_common_input(n, iphdrlen, IPPROTO_ESP); |
#else |
#else |
esp4_input(n, iphdrlen); |
esp4_input(n, iphdrlen); |
#endif |
#endif |