| version 1.129.4.1, 2005/02/12 18:17:54 |
version 1.129.4.2, 2005/03/19 08:36:38 |
| Line 932 udp_ctlinput(int cmd, struct sockaddr *s |
|
| Line 932 udp_ctlinput(int cmd, struct sockaddr *s |
|
| } |
} |
| |
|
| int |
int |
| udp_ctloutput(op, so, level, optname, mp) |
udp_ctloutput(op, so, level, optname, mp) |
| int op; |
int op; |
| struct socket *so; |
struct socket *so; |
| int level, optname; |
int level, optname; |
| Line 982 udp_ctloutput(op, so, level, optname, mp |
|
| Line 982 udp_ctloutput(op, so, level, optname, mp |
|
| error = EINVAL; |
error = EINVAL; |
| goto end; |
goto end; |
| } |
} |
| |
|
| switch(*mtod(m, int *)) { |
switch(*mtod(m, int *)) { |
| #ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
| case 0: |
case 0: |
| Line 993 udp_ctloutput(op, so, level, optname, mp |
|
| Line 993 udp_ctloutput(op, so, level, optname, mp |
|
| inp->inp_flags &= ~INP_ESPINUDP_ALL; |
inp->inp_flags &= ~INP_ESPINUDP_ALL; |
| inp->inp_flags |= INP_ESPINUDP; |
inp->inp_flags |= INP_ESPINUDP; |
| break; |
break; |
| |
|
| case UDP_ENCAP_ESPINUDP_NON_IKE: |
case UDP_ENCAP_ESPINUDP_NON_IKE: |
| inp->inp_flags &= ~INP_ESPINUDP_ALL; |
inp->inp_flags &= ~INP_ESPINUDP_ALL; |
| inp->inp_flags |= INP_ESPINUDP_NON_IKE; |
inp->inp_flags |= INP_ESPINUDP_NON_IKE; |
| Line 1017 udp_ctloutput(op, so, level, optname, mp |
|
| Line 1017 udp_ctloutput(op, so, level, optname, mp |
|
| error = EINVAL; |
error = EINVAL; |
| goto end; |
goto end; |
| break; |
break; |
| } |
} |
| |
|
| end: |
end: |
| splx(s); |
splx(s); |
| return error; |
return error; |
| } |
} |
| |
|
| |
|
| int |
int |
| udp_output(struct mbuf *m, ...) |
udp_output(struct mbuf *m, ...) |
| Line 1334 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
| Line 1334 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
| NULL, 0, &udp_do_loopback_cksum, 0, |
NULL, 0, &udp_do_loopback_cksum, 0, |
| CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_LOOPBACKCKSUM, |
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_LOOPBACKCKSUM, |
| CTL_EOL); |
CTL_EOL); |
| |
sysctl_createv(clog, 0, NULL, NULL, |
| |
CTLFLAG_PERMANENT, |
| |
CTLTYPE_STRUCT, "pcblist", |
| |
SYSCTL_DESCR("UDP protocol control block list"), |
| |
sysctl_inpcblist, 0, &udbtable, 0, |
| |
CTL_NET, PF_INET, IPPROTO_UDP, CTL_CREATE, |
| |
CTL_EOL); |
| } |
} |
| #endif |
#endif |
| |
|
| Line 1359 udp4_espinudp(m, off, src, so) |
|
| Line 1366 udp4_espinudp(m, off, src, so) |
|
| struct ip *ip; |
struct ip *ip; |
| struct mbuf *n; |
struct mbuf *n; |
| |
|
| /* |
/* |
| * Collapse the mbuf chain if the first mbuf is too short |
* Collapse the mbuf chain if the first mbuf is too short |
| * The longest case is: UDP + non ESP marker + ESP |
* The longest case is: UDP + non ESP marker + ESP |
| */ |
*/ |
| Line 1374 udp4_espinudp(m, off, src, so) |
|
| Line 1381 udp4_espinudp(m, off, src, so) |
|
| } |
} |
| } |
} |
| |
|
| len = m->m_len - off; |
len = m->m_len - off; |
| data = mtod(m, caddr_t) + off; |
data = mtod(m, caddr_t) + off; |
| inp = sotoinpcb(so); |
inp = sotoinpcb(so); |
| |
|
| Line 1383 udp4_espinudp(m, off, src, so) |
|
| Line 1390 udp4_espinudp(m, off, src, so) |
|
| return 1; |
return 1; |
| } |
} |
| |
|
| /* |
/* |
| * Check that the payload is long enough to hold |
* Check that the payload is long enough to hold |
| * an ESP header and compute the length of encapsulation |
* an ESP header and compute the length of encapsulation |
| * header to remove |
* header to remove |
| */ |
*/ |
| if (inp->inp_flags & INP_ESPINUDP) { |
if (inp->inp_flags & INP_ESPINUDP) { |
| u_int32_t *st = (u_int32_t *)data; |
u_int32_t *st = (u_int32_t *)data; |
| Line 1403 udp4_espinudp(m, off, src, so) |
|
| Line 1410 udp4_espinudp(m, off, src, so) |
|
| if ((len <= sizeof(u_int64_t) + sizeof(struct esp)) |
if ((len <= sizeof(u_int64_t) + sizeof(struct esp)) |
| || (*st != 0)) |
|| (*st != 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); |
| } |
} |
| |
|
| /* |
/* |
| * Remove the UDP header (and possibly the non ESP marker) |
* Remove the UDP header (and possibly the non ESP marker) |
| * IP header lendth is iphdrlen |
* IP header lendth is iphdrlen |
| * Before: |
* Before: |
| * <--- off ---> |
* <--- off ---> |
| * +----+------+-----+ |
* +----+------+-----+ |
| * | IP | UDP | ESP | |
* | IP | UDP | ESP | |
| Line 1431 udp4_espinudp(m, off, src, so) |
|
| Line 1438 udp4_espinudp(m, off, src, so) |
|
| ip->ip_p = IPPROTO_ESP; |
ip->ip_p = IPPROTO_ESP; |
| |
|
| /* |
/* |
| * Copy the mbuf to avoid multiple free, as both |
* Copy the mbuf to avoid multiple free, as both |
| * esp4_input (which we call) and udp_input (which |
* esp4_input (which we call) and udp_input (which |
| * called us) free the mbuf. |
* called us) free the mbuf. |
| */ |
*/ |
| if ((n = m_dup(m, 0, M_COPYALL, M_DONTWAIT)) == NULL) { |
if ((n = m_dup(m, 0, M_COPYALL, M_DONTWAIT)) == NULL) { |