version 1.134.2.5, 2005/09/08 21:10:24 |
version 1.134.2.6, 2005/12/29 16:10:18 |
Line 152 struct udpstat udpstat; |
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Line 152 struct udpstat udpstat; |
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#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 382 udp_input(struct mbuf *m, ...) |
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Line 382 udp_input(struct mbuf *m, ...) |
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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; |
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n = udp4_realinput(&src, &dst, m, iphlen); |
if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
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udpstat.udps_hdrops++; |
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return; |
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} |
#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; |
Line 659 udp6_sendup(struct mbuf *m, int off /* o |
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Line 662 udp6_sendup(struct mbuf *m, int off /* o |
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#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; |
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struct mbuf *m = *mp; |
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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, |
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Line 757 udp4_realinput(struct sockaddr_in *src, |
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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; |
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if (udp4_espinudp(m, off, sa, inp->inp_socket) != 0) { |
switch(udp4_espinudp(mp, off, sa, inp->inp_socket)) { |
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case -1: /* Error, m was freeed */ |
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rcvcnt = -1; |
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goto bad; |
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break; |
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case 1: /* ESP over UDP */ |
rcvcnt++; |
rcvcnt++; |
goto bad; |
goto bad; |
} |
break; |
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/* Normal UDP processing will take place */ |
case 0: /* plain UDP */ |
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default: /* Unexpected */ |
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/* |
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* Normal UDP processing will take place |
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* m may have changed. |
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*/ |
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m = *mp; |
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break; |
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} |
} |
} |
#endif |
#endif |
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Line 1341 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
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Line 1359 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
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* 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 |
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* -1 if an error occurent and m was freed |
*/ |
*/ |
static int |
static int |
udp4_espinudp(m, off, src, so) |
udp4_espinudp(mp, off, src, so) |
struct mbuf *m; |
struct mbuf **mp; |
int off; |
int off; |
struct sockaddr *src; |
struct sockaddr *src; |
struct socket *so; |
struct socket *so; |
Line 1360 udp4_espinudp(m, off, src, so) |
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Line 1379 udp4_espinudp(m, off, src, so) |
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struct m_tag *tag; |
struct m_tag *tag; |
struct udphdr *udphdr; |
struct udphdr *udphdr; |
u_int16_t sport, dport; |
u_int16_t sport, dport; |
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struct mbuf *m = *mp; |
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/* |
/* |
* 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) |
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Line 1390 udp4_espinudp(m, off, src, so) |
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minlen = m->m_pkthdr.len; |
minlen = m->m_pkthdr.len; |
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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; |
} |
} |
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m = *mp; |
} |
} |
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len = m->m_len - off; |
len = m->m_len - off; |