version 1.99, 2007/09/02 07:18:55 |
version 1.110, 2009/09/16 15:23:05 |
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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_mrouting.h" |
#include "opt_mrouting.h" |
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Line 86 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 87 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netinet/in_systm.h> |
#include <netinet/in_systm.h> |
#include <netinet/ip.h> |
#include <netinet/ip.h> |
#include <netinet/ip_var.h> |
#include <netinet/ip_var.h> |
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#include <netinet/ip_private.h> |
#include <netinet/ip_mroute.h> |
#include <netinet/ip_mroute.h> |
#include <netinet/ip_icmp.h> |
#include <netinet/ip_icmp.h> |
#include <netinet/in_pcb.h> |
#include <netinet/in_pcb.h> |
Line 96 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 98 __KERNEL_RCSID(0, "$NetBSD$"); |
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#ifdef IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
#endif /*IPSEC*/ |
#include <netinet6/ipsec_private.h> |
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#endif /* IPSEC */ |
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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> |
#endif /* FAST_IPSEC*/ |
#include <netipsec/ipsec_private.h> |
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#endif /* FAST_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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struct inpcbtable rawcbtable; |
struct inpcbtable rawcbtable; |
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Line 111 int rip_bind(struct inpcb *, struct mbu |
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Line 119 int rip_bind(struct inpcb *, struct mbu |
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int rip_connect(struct inpcb *, struct mbuf *); |
int rip_connect(struct inpcb *, struct mbuf *); |
void rip_disconnect(struct inpcb *); |
void rip_disconnect(struct inpcb *); |
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static void sysctl_net_inet_raw_setup(struct sysctllog **); |
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/* |
/* |
* Nominal space allocated to a raw ip socket. |
* Nominal space allocated to a raw ip socket. |
*/ |
*/ |
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rip_init(void) |
rip_init(void) |
{ |
{ |
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sysctl_net_inet_raw_setup(NULL); |
in_pcbinit(&rawcbtable, 1, 1); |
in_pcbinit(&rawcbtable, 1, 1); |
} |
} |
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static void |
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rip_sbappendaddr(struct inpcb *last, struct ip *ip, const struct sockaddr *sa, |
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int hlen, struct mbuf *opts, struct mbuf *n) |
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{ |
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if (last->inp_flags & INP_NOHEADER) |
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m_adj(n, hlen); |
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if (last->inp_flags & INP_CONTROLOPTS |
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#ifdef SO_OTIMESTAMP |
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|| last->inp_socket->so_options & SO_OTIMESTAMP |
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#endif |
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|| last->inp_socket->so_options & SO_TIMESTAMP) |
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ip_savecontrol(last, &opts, ip, n); |
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if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) { |
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/* should notify about lost packet */ |
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m_freem(n); |
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if (opts) |
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m_freem(opts); |
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} else |
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sorwakeup(last->inp_socket); |
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} |
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/* |
/* |
* Setup generic address and protocol structures |
* Setup generic address and protocol structures |
* for raw_input routine, then pass them along with |
* for raw_input routine, then pass them along with |
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void |
void |
rip_input(struct mbuf *m, ...) |
rip_input(struct mbuf *m, ...) |
{ |
{ |
int proto; |
int hlen, proto; |
struct ip *ip = mtod(m, struct ip *); |
struct ip *ip = mtod(m, struct ip *); |
struct inpcb_hdr *inph; |
struct inpcb_hdr *inph; |
struct inpcb *inp; |
struct inpcb *inp; |
Line 160 rip_input(struct mbuf *m, ...) |
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Line 192 rip_input(struct mbuf *m, ...) |
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* XXX to have the header length subtracted, and in host order. |
* XXX to have the header length subtracted, and in host order. |
* XXX ip_off is also expected to be host order. |
* XXX ip_off is also expected to be host order. |
*/ |
*/ |
ip->ip_len = ntohs(ip->ip_len) - (ip->ip_hl << 2); |
hlen = ip->ip_hl << 2; |
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ip->ip_len = ntohs(ip->ip_len) - hlen; |
NTOHS(ip->ip_off); |
NTOHS(ip->ip_off); |
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CIRCLEQ_FOREACH(inph, &rawcbtable.inpt_queue, inph_queue) { |
CIRCLEQ_FOREACH(inph, &rawcbtable.inpt_queue, inph_queue) { |
Line 180 rip_input(struct mbuf *m, ...) |
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Line 213 rip_input(struct mbuf *m, ...) |
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#if defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
else if (ipsec4_in_reject_so(m, last->inp_socket)) { |
else if (ipsec4_in_reject_so(m, last->inp_socket)) { |
ipsecstat.in_polvio++; |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
/* do not inject data to pcb */ |
/* do not inject data to pcb */ |
} |
} |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { |
else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { |
if (last->inp_flags & INP_CONTROLOPTS || |
rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, |
last->inp_socket->so_options & SO_TIMESTAMP) |
n); |
ip_savecontrol(last, &opts, ip, n); |
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if (sbappendaddr(&last->inp_socket->so_rcv, |
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sintosa(&ripsrc), n, opts) == 0) { |
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/* should notify about lost packet */ |
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m_freem(n); |
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if (opts) |
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m_freem(opts); |
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} else |
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sorwakeup(last->inp_socket); |
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opts = NULL; |
opts = NULL; |
} |
} |
last = inp; |
last = inp; |
Line 204 rip_input(struct mbuf *m, ...) |
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Line 228 rip_input(struct mbuf *m, ...) |
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/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (last != NULL && ipsec4_in_reject_so(m, last->inp_socket)) { |
if (last != NULL && ipsec4_in_reject_so(m, last->inp_socket)) { |
m_freem(m); |
m_freem(m); |
ipsecstat.in_polvio++; |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
ipstat.ips_delivered--; |
IP_STATDEC(IP_STAT_DELIVERED); |
/* do not inject data to pcb */ |
/* do not inject data to pcb */ |
} else |
} else |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
if (last != NULL) { |
if (last != NULL) |
if (last->inp_flags & INP_CONTROLOPTS || |
rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, m); |
last->inp_socket->so_options & SO_TIMESTAMP) |
else if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { |
ip_savecontrol(last, &opts, ip, m); |
uint64_t *ips; |
if (sbappendaddr(&last->inp_socket->so_rcv, |
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sintosa(&ripsrc), m, opts) == 0) { |
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m_freem(m); |
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if (opts) |
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m_freem(opts); |
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} else |
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sorwakeup(last->inp_socket); |
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} else if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { |
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icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, |
0, 0); |
0, 0); |
ipstat.ips_noproto++; |
ips = IP_STAT_GETREF(); |
ipstat.ips_delivered--; |
ips[IP_STAT_NOPROTO]++; |
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ips[IP_STAT_DELIVERED]--; |
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IP_STAT_PUTREF(); |
} else |
} else |
m_freem(m); |
m_freem(m); |
return; |
return; |
Line 357 rip_output(struct mbuf *m, ...) |
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Line 376 rip_output(struct mbuf *m, ...) |
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} |
} |
HTONS(ip->ip_len); |
HTONS(ip->ip_len); |
HTONS(ip->ip_off); |
HTONS(ip->ip_off); |
if (ip->ip_id == 0) |
if (ip->ip_id != 0 || m->m_pkthdr.len < IP_MINFRAGSIZE) |
ip->ip_id = ip_newid(); |
flags |= IP_NOIPNEWID; |
opts = NULL; |
opts = NULL; |
/* XXX prevent ip_output from overwriting header fields */ |
/* XXX prevent ip_output from overwriting header fields */ |
flags |= IP_RAWOUTPUT; |
flags |= IP_RAWOUTPUT; |
ipstat.ips_rawout++; |
IP_STATINC(IP_STAT_RAWOUT); |
} |
} |
return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, |
return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, |
inp->inp_socket, &inp->inp_errormtu)); |
inp->inp_socket, &inp->inp_errormtu)); |
Line 372 rip_output(struct mbuf *m, ...) |
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Line 391 rip_output(struct mbuf *m, ...) |
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* Raw IP socket option processing. |
* Raw IP socket option processing. |
*/ |
*/ |
int |
int |
rip_ctloutput(int op, struct socket *so, int level, int optname, |
rip_ctloutput(int op, struct socket *so, struct sockopt *sopt) |
struct mbuf **m) |
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{ |
{ |
struct inpcb *inp = sotoinpcb(so); |
struct inpcb *inp = sotoinpcb(so); |
int error = 0; |
int error = 0; |
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int optval; |
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if (sopt->sopt_level == SOL_SOCKET && sopt->sopt_name == SO_NOHEADER) { |
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if (op == PRCO_GETOPT) { |
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optval = (inp->inp_flags & INP_NOHEADER) ? 1 : 0; |
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error = sockopt_set(sopt, &optval, sizeof(optval)); |
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} else if (op == PRCO_SETOPT) { |
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error = sockopt_getint(sopt, &optval); |
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if (error) |
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goto out; |
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if (optval) { |
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inp->inp_flags &= ~INP_HDRINCL; |
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inp->inp_flags |= INP_NOHEADER; |
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} else |
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inp->inp_flags &= ~INP_NOHEADER; |
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} |
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goto out; |
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} else if (sopt->sopt_level != IPPROTO_IP) |
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return ip_ctloutput(op, so, sopt); |
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if (level != IPPROTO_IP) { |
switch (op) { |
error = ENOPROTOOPT; |
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if (op == PRCO_SETOPT && *m != 0) |
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(void) m_free(*m); |
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} else switch (op) { |
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case PRCO_SETOPT: |
case PRCO_SETOPT: |
switch (optname) { |
switch (sopt->sopt_name) { |
case IP_HDRINCL: |
case IP_HDRINCL: |
if (*m == 0 || (*m)->m_len < sizeof (int)) |
error = sockopt_getint(sopt, &optval); |
error = EINVAL; |
if (error) |
else { |
break; |
if (*mtod(*m, int *)) |
if (optval) |
inp->inp_flags |= INP_HDRINCL; |
inp->inp_flags |= INP_HDRINCL; |
else |
else |
inp->inp_flags &= ~INP_HDRINCL; |
inp->inp_flags &= ~INP_HDRINCL; |
} |
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if (*m != 0) |
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(void) m_free(*m); |
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break; |
break; |
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#ifdef MROUTING |
#ifdef MROUTING |
Line 410 rip_ctloutput(int op, struct socket *so, |
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Line 440 rip_ctloutput(int op, struct socket *so, |
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case MRT_API_CONFIG: |
case MRT_API_CONFIG: |
case MRT_ADD_BW_UPCALL: |
case MRT_ADD_BW_UPCALL: |
case MRT_DEL_BW_UPCALL: |
case MRT_DEL_BW_UPCALL: |
error = ip_mrouter_set(so, optname, m); |
error = ip_mrouter_set(so, sopt); |
break; |
break; |
#endif |
#endif |
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default: |
default: |
error = ip_ctloutput(op, so, level, optname, m); |
error = ip_ctloutput(op, so, sopt); |
break; |
break; |
} |
} |
break; |
break; |
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case PRCO_GETOPT: |
case PRCO_GETOPT: |
switch (optname) { |
switch (sopt->sopt_name) { |
case IP_HDRINCL: |
case IP_HDRINCL: |
*m = m_get(M_WAIT, MT_SOOPTS); |
optval = inp->inp_flags & INP_HDRINCL; |
MCLAIM((*m), so->so_mowner); |
error = sockopt_set(sopt, &optval, sizeof(optval)); |
(*m)->m_len = sizeof (int); |
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*mtod(*m, int *) = inp->inp_flags & INP_HDRINCL ? 1 : 0; |
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break; |
break; |
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#ifdef MROUTING |
#ifdef MROUTING |
Line 434 rip_ctloutput(int op, struct socket *so, |
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Line 462 rip_ctloutput(int op, struct socket *so, |
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case MRT_ASSERT: |
case MRT_ASSERT: |
case MRT_API_SUPPORT: |
case MRT_API_SUPPORT: |
case MRT_API_CONFIG: |
case MRT_API_CONFIG: |
error = ip_mrouter_get(so, optname, m); |
error = ip_mrouter_get(so, sopt); |
break; |
break; |
#endif |
#endif |
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default: |
default: |
error = ip_ctloutput(op, so, level, optname, m); |
error = ip_ctloutput(op, so, sopt); |
break; |
break; |
} |
} |
break; |
break; |
} |
} |
return (error); |
out: |
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return error; |
} |
} |
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int |
int |
Line 511 rip_usrreq(struct socket *so, int req, |
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Line 540 rip_usrreq(struct socket *so, int req, |
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s = splsoftnet(); |
s = splsoftnet(); |
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if (req == PRU_PURGEIF) { |
if (req == PRU_PURGEIF) { |
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mutex_enter(softnet_lock); |
in_pcbpurgeif0(&rawcbtable, (struct ifnet *)control); |
in_pcbpurgeif0(&rawcbtable, (struct ifnet *)control); |
in_purgeif((struct ifnet *)control); |
in_purgeif((struct ifnet *)control); |
in_pcbpurgeif(&rawcbtable, (struct ifnet *)control); |
in_pcbpurgeif(&rawcbtable, (struct ifnet *)control); |
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mutex_exit(softnet_lock); |
splx(s); |
splx(s); |
return (0); |
return (0); |
} |
} |
Line 531 rip_usrreq(struct socket *so, int req, |
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Line 562 rip_usrreq(struct socket *so, int req, |
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switch (req) { |
switch (req) { |
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case PRU_ATTACH: |
case PRU_ATTACH: |
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sosetlock(so); |
if (inp != 0) { |
if (inp != 0) { |
error = EISCONN; |
error = EISCONN; |
break; |
break; |
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return (error); |
return (error); |
} |
} |
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SYSCTL_SETUP(sysctl_net_inet_raw_setup, "sysctl net.inet.raw subtree setup") |
static void |
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sysctl_net_inet_raw_setup(struct sysctllog **clog) |
{ |
{ |
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sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |