| version 1.229.2.3, 2007/02/01 08:48:43 |
version 1.230, 2006/09/08 20:58:58 |
| Line 377 static struct ip_srcrt { |
|
| Line 377 static struct ip_srcrt { |
|
| static void save_rte(u_char *, struct in_addr); |
static void save_rte(u_char *, struct in_addr); |
| |
|
| #ifdef MBUFTRACE |
#ifdef MBUFTRACE |
| struct mowner ip_rx_mowner = MOWNER_INIT("internet", "rx"); |
struct mowner ip_rx_mowner = { "internet", "rx" }; |
| struct mowner ip_tx_mowner = MOWNER_INIT("internet", "tx"); |
struct mowner ip_tx_mowner = { "internet", "tx" }; |
| #endif |
#endif |
| |
|
| /* |
/* |
|
|
| int s; |
int s; |
| struct mbuf *m; |
struct mbuf *m; |
| |
|
| while (!IF_IS_EMPTY(&ipintrq)) { |
while (1) { |
| s = splnet(); |
s = splnet(); |
| IF_DEQUEUE(&ipintrq, m); |
IF_DEQUEUE(&ipintrq, m); |
| splx(s); |
splx(s); |
| Line 488 ip_input(struct mbuf *m) |
|
| Line 488 ip_input(struct mbuf *m) |
|
| int downmatch; |
int downmatch; |
| int checkif; |
int checkif; |
| int srcrt = 0; |
int srcrt = 0; |
| int s; |
|
| u_int hash; |
u_int hash; |
| #ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
| struct m_tag *mtag; |
struct m_tag *mtag; |
| struct tdb_ident *tdbi; |
struct tdb_ident *tdbi; |
| struct secpolicy *sp; |
struct secpolicy *sp; |
| int error; |
int s, error; |
| #endif /* FAST_IPSEC */ |
#endif /* FAST_IPSEC */ |
| |
|
| MCLAIM(m, &ip_rx_mowner); |
MCLAIM(m, &ip_rx_mowner); |
|
|
| */ |
*/ |
| if (mff || ip->ip_off != htons(0)) { |
if (mff || ip->ip_off != htons(0)) { |
| ipstat.ips_fragments++; |
ipstat.ips_fragments++; |
| s = splvm(); |
|
| ipqe = pool_get(&ipqent_pool, PR_NOWAIT); |
ipqe = pool_get(&ipqent_pool, PR_NOWAIT); |
| splx(s); |
|
| if (ipqe == NULL) { |
if (ipqe == NULL) { |
| ipstat.ips_rcvmemdrop++; |
ipstat.ips_rcvmemdrop++; |
| IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
| Line 1058 ip_reass(struct ipqent *ipqe, struct ipq |
|
| Line 1055 ip_reass(struct ipqent *ipqe, struct ipq |
|
| struct ip *ip; |
struct ip *ip; |
| struct mbuf *t; |
struct mbuf *t; |
| int hlen = ipqe->ipqe_ip->ip_hl << 2; |
int hlen = ipqe->ipqe_ip->ip_hl << 2; |
| int i, next, s; |
int i, next; |
| |
|
| IPQ_LOCK_CHECK(); |
IPQ_LOCK_CHECK(); |
| |
|
| Line 1163 ip_reass(struct ipqent *ipqe, struct ipq |
|
| Line 1160 ip_reass(struct ipqent *ipqe, struct ipq |
|
| nq = TAILQ_NEXT(q, ipqe_q); |
nq = TAILQ_NEXT(q, ipqe_q); |
| m_freem(q->ipqe_m); |
m_freem(q->ipqe_m); |
| TAILQ_REMOVE(&fp->ipq_fragq, q, ipqe_q); |
TAILQ_REMOVE(&fp->ipq_fragq, q, ipqe_q); |
| s = splvm(); |
|
| pool_put(&ipqent_pool, q); |
pool_put(&ipqent_pool, q); |
| splx(s); |
|
| fp->ipq_nfrags--; |
fp->ipq_nfrags--; |
| ip_nfrags--; |
ip_nfrags--; |
| } |
} |
|
|
| m->m_next = 0; |
m->m_next = 0; |
| m_cat(m, t); |
m_cat(m, t); |
| nq = TAILQ_NEXT(q, ipqe_q); |
nq = TAILQ_NEXT(q, ipqe_q); |
| s = splvm(); |
|
| pool_put(&ipqent_pool, q); |
pool_put(&ipqent_pool, q); |
| splx(s); |
|
| for (q = nq; q != NULL; q = nq) { |
for (q = nq; q != NULL; q = nq) { |
| t = q->ipqe_m; |
t = q->ipqe_m; |
| nq = TAILQ_NEXT(q, ipqe_q); |
nq = TAILQ_NEXT(q, ipqe_q); |
| s = splvm(); |
|
| pool_put(&ipqent_pool, q); |
pool_put(&ipqent_pool, q); |
| splx(s); |
|
| m_cat(m, t); |
m_cat(m, t); |
| } |
} |
| ip_nfrags -= fp->ipq_nfrags; |
ip_nfrags -= fp->ipq_nfrags; |
|
|
| ip_nfrags--; |
ip_nfrags--; |
| ipstat.ips_fragdropped++; |
ipstat.ips_fragdropped++; |
| m_freem(m); |
m_freem(m); |
| s = splvm(); |
|
| pool_put(&ipqent_pool, ipqe); |
pool_put(&ipqent_pool, ipqe); |
| splx(s); |
|
| return (0); |
return (0); |
| } |
} |
| |
|
| Line 1264 ip_freef(struct ipq *fp) |
|
| Line 1253 ip_freef(struct ipq *fp) |
|
| { |
{ |
| struct ipqent *q, *p; |
struct ipqent *q, *p; |
| u_int nfrags = 0; |
u_int nfrags = 0; |
| int s; |
|
| |
|
| IPQ_LOCK_CHECK(); |
IPQ_LOCK_CHECK(); |
| |
|
| Line 1273 ip_freef(struct ipq *fp) |
|
| Line 1261 ip_freef(struct ipq *fp) |
|
| m_freem(q->ipqe_m); |
m_freem(q->ipqe_m); |
| nfrags++; |
nfrags++; |
| TAILQ_REMOVE(&fp->ipq_fragq, q, ipqe_q); |
TAILQ_REMOVE(&fp->ipq_fragq, q, ipqe_q); |
| s = splvm(); |
|
| pool_put(&ipqent_pool, q); |
pool_put(&ipqent_pool, q); |
| splx(s); |
|
| } |
} |
| |
|
| if (nfrags != fp->ipq_nfrags) |
if (nfrags != fp->ipq_nfrags) |
| Line 1679 ip_rtaddr(struct in_addr dst) |
|
| Line 1665 ip_rtaddr(struct in_addr dst) |
|
| |
|
| sin = satosin(&ipforward_rt.ro_dst); |
sin = satosin(&ipforward_rt.ro_dst); |
| |
|
| if (!in_hosteq(dst, sin->sin_addr)) |
if (ipforward_rt.ro_rt == 0 || !in_hosteq(dst, sin->sin_addr)) { |
| rtcache_free(&ipforward_rt); |
if (ipforward_rt.ro_rt) { |
| else |
RTFREE(ipforward_rt.ro_rt); |
| rtcache_check(&ipforward_rt); |
ipforward_rt.ro_rt = 0; |
| if (ipforward_rt.ro_rt == NULL) { |
} |
| sin->sin_family = AF_INET; |
sin->sin_family = AF_INET; |
| sin->sin_len = sizeof(*sin); |
sin->sin_len = sizeof(*sin); |
| sin->sin_addr = dst; |
sin->sin_addr = dst; |
| |
|
| rtcache_init(&ipforward_rt); |
rtalloc(&ipforward_rt); |
| if (ipforward_rt.ro_rt == NULL) |
|
| return NULL; |
|
| } |
} |
| return ifatoia(ipforward_rt.ro_rt->rt_ifa); |
if (ipforward_rt.ro_rt == 0) |
| |
return ((struct in_ifaddr *)0); |
| |
return (ifatoia(ipforward_rt.ro_rt->rt_ifa)); |
| } |
} |
| |
|
| /* |
/* |
| Line 1728 ip_srcroute(void) |
|
| Line 1714 ip_srcroute(void) |
|
| struct mbuf *m; |
struct mbuf *m; |
| |
|
| if (ip_nhops == 0) |
if (ip_nhops == 0) |
| return NULL; |
return ((struct mbuf *)0); |
| m = m_get(M_DONTWAIT, MT_SOOPTS); |
m = m_get(M_DONTWAIT, MT_SOOPTS); |
| if (m == 0) |
if (m == 0) |
| return NULL; |
return ((struct mbuf *)0); |
| |
|
| MCLAIM(m, &inetdomain.dom_mowner); |
MCLAIM(m, &inetdomain.dom_mowner); |
| #define OPTSIZ (sizeof(ip_srcrt.nop) + sizeof(ip_srcrt.srcopt)) |
#define OPTSIZ (sizeof(ip_srcrt.nop) + sizeof(ip_srcrt.srcopt)) |
| Line 1873 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1859 ip_forward(struct mbuf *m, int srcrt) |
|
| } |
} |
| |
|
| sin = satosin(&ipforward_rt.ro_dst); |
sin = satosin(&ipforward_rt.ro_dst); |
| if (!in_hosteq(ip->ip_dst, sin->sin_addr)) |
if ((rt = ipforward_rt.ro_rt) == 0 || |
| rtcache_free(&ipforward_rt); |
!in_hosteq(ip->ip_dst, sin->sin_addr)) { |
| else |
if (ipforward_rt.ro_rt) { |
| rtcache_check(&ipforward_rt); |
RTFREE(ipforward_rt.ro_rt); |
| if (ipforward_rt.ro_rt == NULL) { |
ipforward_rt.ro_rt = 0; |
| |
} |
| sin->sin_family = AF_INET; |
sin->sin_family = AF_INET; |
| sin->sin_len = sizeof(*sin); |
sin->sin_len = sizeof(struct sockaddr_in); |
| sin->sin_addr = ip->ip_dst; |
sin->sin_addr = ip->ip_dst; |
| |
|
| rtcache_init(&ipforward_rt); |
rtalloc(&ipforward_rt); |
| if (ipforward_rt.ro_rt == NULL) { |
if (ipforward_rt.ro_rt == 0) { |
| icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
| return; |
return; |
| } |
} |
| |
rt = ipforward_rt.ro_rt; |
| } |
} |
| rt = ipforward_rt.ro_rt; |
|
| |
|
| /* |
/* |
| * Save at most 68 bytes of the packet in case |
* Save at most 68 bytes of the packet in case |
| Line 1934 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1921 ip_forward(struct mbuf *m, int srcrt) |
|
| } |
} |
| } |
} |
| |
|
| error = ip_output(m, NULL, &ipforward_rt, |
error = ip_output(m, (struct mbuf *)0, &ipforward_rt, |
| (IP_FORWARDING | (ip_directedbcast ? IP_ALLOWBROADCAST : 0)), |
(IP_FORWARDING | (ip_directedbcast ? IP_ALLOWBROADCAST : 0)), |
| (struct ip_moptions *)NULL, (struct socket *)NULL); |
(struct ip_moptions *)NULL, (struct socket *)NULL); |
| |
|
| Line 1977 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1964 ip_forward(struct mbuf *m, int srcrt) |
|
| type = ICMP_UNREACH; |
type = ICMP_UNREACH; |
| code = ICMP_UNREACH_NEEDFRAG; |
code = ICMP_UNREACH_NEEDFRAG; |
| #if !defined(IPSEC) && !defined(FAST_IPSEC) |
#if !defined(IPSEC) && !defined(FAST_IPSEC) |
| if (ipforward_rt.ro_rt != NULL) |
if (ipforward_rt.ro_rt) |
| destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
| #else |
#else |
| /* |
/* |
| Line 1986 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1973 ip_forward(struct mbuf *m, int srcrt) |
|
| * tunnel MTU = if MTU - sizeof(IP) - ESP/AH hdrsiz |
* tunnel MTU = if MTU - sizeof(IP) - ESP/AH hdrsiz |
| * XXX quickhack!!! |
* XXX quickhack!!! |
| */ |
*/ |
| if (ipforward_rt.ro_rt != NULL) { |
if (ipforward_rt.ro_rt) { |
| struct secpolicy *sp; |
struct secpolicy *sp; |
| int ipsecerror; |
int ipsecerror; |
| size_t ipsechdr; |
size_t ipsechdr; |
| Line 2126 sysctl_net_inet_ip_forwsrcrt(SYSCTLFN_AR |
|
| Line 2113 sysctl_net_inet_ip_forwsrcrt(SYSCTLFN_AR |
|
| return (error); |
return (error); |
| |
|
| if (kauth_authorize_network(l->l_cred, KAUTH_NETWORK_FORWSRCRT, |
if (kauth_authorize_network(l->l_cred, KAUTH_NETWORK_FORWSRCRT, |
| 0, NULL, NULL, NULL)) |
NULL, NULL, NULL, NULL) != KAUTH_RESULT_ALLOW) |
| return (EPERM); |
return (EPERM); |
| |
|
| ip_forwsrcrt = tmp; |
ip_forwsrcrt = tmp; |