version 1.53, 2000/03/30 13:25:04 |
version 1.97.8.1, 2007/11/06 23:33:51 |
|
|
/* |
/* |
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
* All rights reserved. |
* All rights reserved. |
* |
* |
* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* modification, are permitted provided that the following conditions |
* are met: |
* are met: |
|
|
* 3. Neither the name of the project nor the names of its contributors |
* 3. Neither the name of the project nor the names of its contributors |
* may be used to endorse or promote products derived from this software |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* 3. Neither the name of the University nor the names of its contributors |
* must display the following acknowledgement: |
|
* This product includes software developed by the University of |
|
* California, Berkeley and its contributors. |
|
* 4. Neither the name of the University nor the names of its contributors |
|
* may be used to endorse or promote products derived from this software |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
|
|
* @(#)raw_ip.c 8.7 (Berkeley) 5/15/95 |
* @(#)raw_ip.c 8.7 (Berkeley) 5/15/95 |
*/ |
*/ |
|
|
|
#include <sys/cdefs.h> |
|
__KERNEL_RCSID(0, "$NetBSD$"); |
|
|
|
#include "opt_inet.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_mrouting.h" |
#include "opt_mrouting.h" |
|
|
#include <sys/param.h> |
#include <sys/param.h> |
|
#include <sys/sysctl.h> |
#include <sys/malloc.h> |
#include <sys/malloc.h> |
#include <sys/mbuf.h> |
#include <sys/mbuf.h> |
#include <sys/socket.h> |
#include <sys/socket.h> |
|
|
#include <sys/errno.h> |
#include <sys/errno.h> |
#include <sys/systm.h> |
#include <sys/systm.h> |
#include <sys/proc.h> |
#include <sys/proc.h> |
|
#include <sys/kauth.h> |
|
|
#include <net/if.h> |
#include <net/if.h> |
#include <net/route.h> |
#include <net/route.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> |
|
#include <netinet/in_proto.h> |
#include <netinet/in_var.h> |
#include <netinet/in_var.h> |
|
|
#include <machine/stdarg.h> |
#include <machine/stdarg.h> |
|
|
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
|
|
|
#ifdef FAST_IPSEC |
|
#include <netipsec/ipsec.h> |
|
#include <netipsec/ipsec_var.h> /* XXX ipsecstat namespace */ |
|
#endif /* FAST_IPSEC*/ |
|
|
struct inpcbtable rawcbtable; |
struct inpcbtable rawcbtable; |
|
|
int rip_bind __P((struct inpcb *, struct mbuf *)); |
int rip_pcbnotify(struct inpcbtable *, struct in_addr, |
int rip_connect __P((struct inpcb *, struct mbuf *)); |
struct in_addr, int, int, void (*)(struct inpcb *, int)); |
void rip_disconnect __P((struct inpcb *)); |
int rip_bind(struct inpcb *, struct mbuf *); |
|
int rip_connect(struct inpcb *, struct mbuf *); |
|
void rip_disconnect(struct inpcb *); |
|
|
/* |
/* |
* Nominal space allocated to a raw ip socket. |
* Nominal space allocated to a raw ip socket. |
Line 115 void rip_disconnect __P((struct inpcb * |
|
Line 125 void rip_disconnect __P((struct inpcb * |
|
* Initialize raw connection block q. |
* Initialize raw connection block q. |
*/ |
*/ |
void |
void |
rip_init() |
rip_init(void) |
{ |
{ |
|
|
in_pcbinit(&rawcbtable, 1, 1); |
in_pcbinit(&rawcbtable, 1, 1); |
} |
} |
|
|
static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET }; |
static void |
|
rip_sbappendaddr(struct inpcb *last, struct ip *ip, const struct sockaddr *sa, |
|
int hlen, struct mbuf *opts, struct mbuf *n) |
|
{ |
|
if (last->inp_flags & INP_NOHEADER) |
|
m_adj(n, hlen); |
|
if (last->inp_flags & INP_CONTROLOPTS || |
|
last->inp_socket->so_options & SO_TIMESTAMP) |
|
ip_savecontrol(last, &opts, ip, n); |
|
if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) { |
|
/* should notify about lost packet */ |
|
m_freem(n); |
|
if (opts) |
|
m_freem(opts); |
|
} else |
|
sorwakeup(last->inp_socket); |
|
} |
|
|
/* |
/* |
* Setup generic address and protocol structures |
* Setup generic address and protocol structures |
Line 129 static struct sockaddr_in ripsrc = { siz |
|
Line 155 static struct sockaddr_in ripsrc = { siz |
|
* mbuf chain. |
* mbuf chain. |
*/ |
*/ |
void |
void |
#if __STDC__ |
|
rip_input(struct mbuf *m, ...) |
rip_input(struct mbuf *m, ...) |
#else |
|
rip_input(m, va_alist) |
|
struct mbuf *m; |
|
va_dcl |
|
#endif |
|
{ |
{ |
int off, proto; |
int hlen, proto; |
struct ip *ip = mtod(m, struct ip *); |
struct ip *ip = mtod(m, struct ip *); |
|
struct inpcb_hdr *inph; |
struct inpcb *inp; |
struct inpcb *inp; |
struct inpcb *last = 0; |
struct inpcb *last = NULL; |
struct mbuf *opts = 0; |
struct mbuf *n, *opts = NULL; |
struct sockaddr_in ripsrc; |
struct sockaddr_in ripsrc; |
va_list ap; |
va_list ap; |
|
|
va_start(ap, m); |
va_start(ap, m); |
off = va_arg(ap, int); |
(void)va_arg(ap, int); /* ignore value, advance ap */ |
proto = va_arg(ap, int); |
proto = va_arg(ap, int); |
va_end(ap); |
va_end(ap); |
|
|
ripsrc.sin_family = AF_INET; |
sockaddr_in_init(&ripsrc, &ip->ip_src, 0); |
ripsrc.sin_len = sizeof(struct sockaddr_in); |
|
ripsrc.sin_addr = ip->ip_src; |
|
ripsrc.sin_port = 0; |
|
bzero((caddr_t)ripsrc.sin_zero, sizeof(ripsrc.sin_zero)); |
|
|
|
/* |
/* |
* XXX Compatibility: programs using raw IP expect ip_len |
* XXX Compatibility: programs using raw IP expect ip_len |
* XXX to have the header length subtracted. |
* XXX to have the header length subtracted, and in host order. |
|
* XXX ip_off is also expected to be host order. |
*/ |
*/ |
ip->ip_len -= ip->ip_hl << 2; |
hlen = ip->ip_hl << 2; |
|
ip->ip_len = ntohs(ip->ip_len) - hlen; |
for (inp = rawcbtable.inpt_queue.cqh_first; |
NTOHS(ip->ip_off); |
inp != (struct inpcb *)&rawcbtable.inpt_queue; |
|
inp = inp->inp_queue.cqe_next) { |
CIRCLEQ_FOREACH(inph, &rawcbtable.inpt_queue, inph_queue) { |
|
inp = (struct inpcb *)inph; |
|
if (inp->inp_af != AF_INET) |
|
continue; |
if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) |
if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) |
continue; |
continue; |
if (!in_nullhost(inp->inp_laddr) && |
if (!in_nullhost(inp->inp_laddr) && |
Line 173 rip_input(m, va_alist) |
|
Line 194 rip_input(m, va_alist) |
|
if (!in_nullhost(inp->inp_faddr) && |
if (!in_nullhost(inp->inp_faddr) && |
!in_hosteq(inp->inp_faddr, ip->ip_src)) |
!in_hosteq(inp->inp_faddr, ip->ip_src)) |
continue; |
continue; |
if (last) { |
if (last == NULL) |
struct mbuf *n; |
; |
if ((n = m_copy(m, 0, (int)M_COPYALL)) != NULL) { |
#if defined(IPSEC) || defined(FAST_IPSEC) |
if (last->inp_flags & INP_CONTROLOPTS || |
/* check AH/ESP integrity. */ |
last->inp_socket->so_options & SO_TIMESTAMP) |
else if (ipsec4_in_reject_so(m, last->inp_socket)) { |
ip_savecontrol(last, &opts, ip, n); |
ipsecstat.in_polvio++; |
if (sbappendaddr(&last->inp_socket->so_rcv, |
/* do not inject data to pcb */ |
sintosa(&ripsrc), n, opts) == 0) { |
} |
/* should notify about lost packet */ |
#endif /*IPSEC*/ |
m_freem(n); |
else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { |
if (opts) |
rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, |
m_freem(opts); |
n); |
} else |
opts = NULL; |
sorwakeup(last->inp_socket); |
|
opts = NULL; |
|
} |
|
} |
} |
last = inp; |
last = inp; |
} |
} |
if (last) { |
#if defined(IPSEC) || defined(FAST_IPSEC) |
if (last->inp_flags & INP_CONTROLOPTS || |
/* check AH/ESP integrity. */ |
last->inp_socket->so_options & SO_TIMESTAMP) |
if (last != NULL && ipsec4_in_reject_so(m, last->inp_socket)) { |
ip_savecontrol(last, &opts, ip, m); |
m_freem(m); |
if (sbappendaddr(&last->inp_socket->so_rcv, |
ipsecstat.in_polvio++; |
sintosa(&ripsrc), m, opts) == 0) { |
ipstat.ips_delivered--; |
m_freem(m); |
/* do not inject data to pcb */ |
if (opts) |
} else |
m_freem(opts); |
#endif /*IPSEC*/ |
} else |
if (last != NULL) |
sorwakeup(last->inp_socket); |
rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, m); |
} else { |
else if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { |
if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, |
0, 0); |
0, 0); |
ipstat.ips_noproto++; |
ipstat.ips_noproto++; |
ipstat.ips_delivered--; |
ipstat.ips_delivered--; |
} else |
} else |
m_freem(m); |
m_freem(m); |
|
} |
|
return; |
return; |
} |
} |
|
|
|
int |
|
rip_pcbnotify(struct inpcbtable *table, |
|
struct in_addr faddr, struct in_addr laddr, int proto, int errno, |
|
void (*notify)(struct inpcb *, int)) |
|
{ |
|
struct inpcb *inp, *ninp; |
|
int nmatch; |
|
|
|
nmatch = 0; |
|
for (inp = (struct inpcb *)CIRCLEQ_FIRST(&table->inpt_queue); |
|
inp != (struct inpcb *)&table->inpt_queue; |
|
inp = ninp) { |
|
ninp = (struct inpcb *)inp->inp_queue.cqe_next; |
|
if (inp->inp_af != AF_INET) |
|
continue; |
|
if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) |
|
continue; |
|
if (in_hosteq(inp->inp_faddr, faddr) && |
|
in_hosteq(inp->inp_laddr, laddr)) { |
|
(*notify)(inp, errno); |
|
nmatch++; |
|
} |
|
} |
|
|
|
return nmatch; |
|
} |
|
|
|
void * |
|
rip_ctlinput(int cmd, const struct sockaddr *sa, void *v) |
|
{ |
|
struct ip *ip = v; |
|
void (*notify)(struct inpcb *, int) = in_rtchange; |
|
int errno; |
|
|
|
if (sa->sa_family != AF_INET || |
|
sa->sa_len != sizeof(struct sockaddr_in)) |
|
return NULL; |
|
if ((unsigned)cmd >= PRC_NCMDS) |
|
return NULL; |
|
errno = inetctlerrmap[cmd]; |
|
if (PRC_IS_REDIRECT(cmd)) |
|
notify = in_rtchange, ip = 0; |
|
else if (cmd == PRC_HOSTDEAD) |
|
ip = 0; |
|
else if (errno == 0) |
|
return NULL; |
|
if (ip) { |
|
rip_pcbnotify(&rawcbtable, satocsin(sa)->sin_addr, |
|
ip->ip_src, ip->ip_p, errno, notify); |
|
|
|
/* XXX mapped address case */ |
|
} else |
|
in_pcbnotifyall(&rawcbtable, satocsin(sa)->sin_addr, errno, |
|
notify); |
|
return NULL; |
|
} |
|
|
/* |
/* |
* Generate IP header and pass packet to ip_output. |
* Generate IP header and pass packet to ip_output. |
* Tack on options user may have setup with control call. |
* Tack on options user may have setup with control call. |
*/ |
*/ |
int |
int |
#if __STDC__ |
|
rip_output(struct mbuf *m, ...) |
rip_output(struct mbuf *m, ...) |
#else |
|
rip_output(m, va_alist) |
|
struct mbuf *m; |
|
va_dcl |
|
#endif |
|
{ |
{ |
struct inpcb *inp; |
struct inpcb *inp; |
struct ip *ip; |
struct ip *ip; |
Line 251 rip_output(m, va_alist) |
|
Line 318 rip_output(m, va_alist) |
|
m_freem(m); |
m_freem(m); |
return (EMSGSIZE); |
return (EMSGSIZE); |
} |
} |
M_PREPEND(m, sizeof(struct ip), M_WAIT); |
M_PREPEND(m, sizeof(struct ip), M_DONTWAIT); |
|
if (!m) |
|
return (ENOBUFS); |
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
ip->ip_tos = 0; |
ip->ip_tos = 0; |
ip->ip_off = 0; |
ip->ip_off = htons(0); |
ip->ip_p = inp->inp_ip.ip_p; |
ip->ip_p = inp->inp_ip.ip_p; |
ip->ip_len = m->m_pkthdr.len; |
ip->ip_len = htons(m->m_pkthdr.len); |
ip->ip_src = inp->inp_laddr; |
ip->ip_src = inp->inp_laddr; |
ip->ip_dst = inp->inp_faddr; |
ip->ip_dst = inp->inp_faddr; |
ip->ip_ttl = MAXTTL; |
ip->ip_ttl = MAXTTL; |
Line 267 rip_output(m, va_alist) |
|
Line 336 rip_output(m, va_alist) |
|
return (EMSGSIZE); |
return (EMSGSIZE); |
} |
} |
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
|
|
|
/* |
|
* If the mbuf is read-only, we need to allocate |
|
* a new mbuf for the header, since we need to |
|
* modify the header. |
|
*/ |
|
if (M_READONLY(m)) { |
|
int hlen = ip->ip_hl << 2; |
|
|
|
m = m_copyup(m, hlen, (max_linkhdr + 3) & ~3); |
|
if (m == NULL) |
|
return (ENOMEM); /* XXX */ |
|
ip = mtod(m, struct ip *); |
|
} |
|
|
|
/* XXX userland passes ip_len and ip_off in host order */ |
if (m->m_pkthdr.len != ip->ip_len) { |
if (m->m_pkthdr.len != ip->ip_len) { |
m_freem(m); |
m_freem(m); |
return (EINVAL); |
return (EINVAL); |
} |
} |
|
HTONS(ip->ip_len); |
|
HTONS(ip->ip_off); |
if (ip->ip_id == 0) |
if (ip->ip_id == 0) |
ip->ip_id = htons(ip_id++); |
ip->ip_id = ip_newid(); |
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++; |
ipstat.ips_rawout++; |
} |
} |
#ifdef IPSEC |
return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, |
ipsec_setsocket(m, inp->inp_socket); |
inp->inp_socket, &inp->inp_errormtu)); |
#endif /*IPSEC*/ |
|
return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, &inp->inp_errormtu)); |
|
} |
} |
|
|
/* |
/* |
* Raw IP socket option processing. |
* Raw IP socket option processing. |
*/ |
*/ |
int |
int |
rip_ctloutput(op, so, level, optname, m) |
rip_ctloutput(int op, struct socket *so, int level, int optname, |
int op; |
struct mbuf **m) |
struct socket *so; |
|
int level, optname; |
|
struct mbuf **m; |
|
{ |
{ |
struct inpcb *inp = sotoinpcb(so); |
struct inpcb *inp = sotoinpcb(so); |
int error = 0; |
int error = 0; |
|
|
if (level != IPPROTO_IP) { |
if (level == SOL_SOCKET && optname == SO_NOHEADER) { |
error = ENOPROTOOPT; |
if (op == PRCO_GETOPT) { |
if (op == PRCO_SETOPT && *m != 0) |
*m = m_intopt(so, |
(void) m_free(*m); |
(inp->inp_flags & INP_NOHEADER) ? 1 : 0); |
} else switch (op) { |
return 0; |
|
} else if (*m == NULL || (*m)->m_len < sizeof(int)) |
|
error = EINVAL; |
|
else if (*mtod(*m, int *)) { |
|
inp->inp_flags &= ~INP_HDRINCL; |
|
inp->inp_flags |= INP_NOHEADER; |
|
} else |
|
inp->inp_flags &= ~INP_NOHEADER; |
|
goto free_m; |
|
} else if (level != IPPROTO_IP) |
|
return ip_ctloutput(op, so, level, optname, m); |
|
|
|
switch (op) { |
|
|
case PRCO_SETOPT: |
case PRCO_SETOPT: |
switch (optname) { |
switch (optname) { |
case IP_HDRINCL: |
case IP_HDRINCL: |
if (*m == 0 || (*m)->m_len < sizeof (int)) |
if (*m == NULL || (*m)->m_len < sizeof(int)) |
error = EINVAL; |
error = EINVAL; |
else { |
else if (*mtod(*m, int *)) |
if (*mtod(*m, int *)) |
inp->inp_flags |= INP_HDRINCL; |
inp->inp_flags |= INP_HDRINCL; |
else |
else |
inp->inp_flags &= ~INP_HDRINCL; |
inp->inp_flags &= ~INP_HDRINCL; |
goto free_m; |
} |
|
if (*m != 0) |
|
(void) m_free(*m); |
|
break; |
|
|
|
#ifdef MROUTING |
#ifdef MROUTING |
case MRT_INIT: |
case MRT_INIT: |
Line 326 rip_ctloutput(op, so, level, optname, m) |
|
Line 416 rip_ctloutput(op, so, level, optname, m) |
|
case MRT_ADD_MFC: |
case MRT_ADD_MFC: |
case MRT_DEL_MFC: |
case MRT_DEL_MFC: |
case MRT_ASSERT: |
case MRT_ASSERT: |
|
case MRT_API_CONFIG: |
|
case MRT_ADD_BW_UPCALL: |
|
case MRT_DEL_BW_UPCALL: |
error = ip_mrouter_set(so, optname, m); |
error = ip_mrouter_set(so, optname, m); |
break; |
break; |
#endif |
#endif |
Line 339 rip_ctloutput(op, so, level, optname, m) |
|
Line 432 rip_ctloutput(op, so, level, optname, m) |
|
case PRCO_GETOPT: |
case PRCO_GETOPT: |
switch (optname) { |
switch (optname) { |
case IP_HDRINCL: |
case IP_HDRINCL: |
*m = m_get(M_WAIT, M_SOOPTS); |
*m = m_intopt(so, inp->inp_flags & INP_HDRINCL ? 1 : 0); |
(*m)->m_len = sizeof (int); |
|
*mtod(*m, int *) = inp->inp_flags & INP_HDRINCL ? 1 : 0; |
|
break; |
break; |
|
|
#ifdef MROUTING |
#ifdef MROUTING |
case MRT_VERSION: |
case MRT_VERSION: |
case MRT_ASSERT: |
case MRT_ASSERT: |
|
case MRT_API_SUPPORT: |
|
case MRT_API_CONFIG: |
error = ip_mrouter_get(so, optname, m); |
error = ip_mrouter_get(so, optname, m); |
break; |
break; |
#endif |
#endif |
Line 357 rip_ctloutput(op, so, level, optname, m) |
|
Line 450 rip_ctloutput(op, so, level, optname, m) |
|
} |
} |
break; |
break; |
} |
} |
return (error); |
return error; |
|
free_m: |
|
if (op == PRCO_SETOPT && *m != NULL) |
|
(void)m_free(*m); |
|
return error; |
} |
} |
|
|
int |
int |
rip_bind(inp, nam) |
rip_bind(struct inpcb *inp, struct mbuf *nam) |
struct inpcb *inp; |
|
struct mbuf *nam; |
|
{ |
{ |
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
|
|
if (nam->m_len != sizeof(*addr)) |
if (nam->m_len != sizeof(*addr)) |
return (EINVAL); |
return (EINVAL); |
if (ifnet.tqh_first == 0) |
if (TAILQ_FIRST(&ifnet) == 0) |
return (EADDRNOTAVAIL); |
return (EADDRNOTAVAIL); |
if (addr->sin_family != AF_INET && |
if (addr->sin_family != AF_INET && |
addr->sin_family != AF_IMPLINK) |
addr->sin_family != AF_IMPLINK) |
Line 382 rip_bind(inp, nam) |
|
Line 477 rip_bind(inp, nam) |
|
} |
} |
|
|
int |
int |
rip_connect(inp, nam) |
rip_connect(struct inpcb *inp, struct mbuf *nam) |
struct inpcb *inp; |
|
struct mbuf *nam; |
|
{ |
{ |
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
|
|
if (nam->m_len != sizeof(*addr)) |
if (nam->m_len != sizeof(*addr)) |
return (EINVAL); |
return (EINVAL); |
if (ifnet.tqh_first == 0) |
if (TAILQ_FIRST(&ifnet) == 0) |
return (EADDRNOTAVAIL); |
return (EADDRNOTAVAIL); |
if (addr->sin_family != AF_INET && |
if (addr->sin_family != AF_INET && |
addr->sin_family != AF_IMPLINK) |
addr->sin_family != AF_IMPLINK) |
Line 400 rip_connect(inp, nam) |
|
Line 493 rip_connect(inp, nam) |
|
} |
} |
|
|
void |
void |
rip_disconnect(inp) |
rip_disconnect(struct inpcb *inp) |
struct inpcb *inp; |
|
{ |
{ |
|
|
inp->inp_faddr = zeroin_addr; |
inp->inp_faddr = zeroin_addr; |
Line 412 u_long rip_recvspace = RIPRCVQ; |
|
Line 504 u_long rip_recvspace = RIPRCVQ; |
|
|
|
/*ARGSUSED*/ |
/*ARGSUSED*/ |
int |
int |
rip_usrreq(so, req, m, nam, control, p) |
rip_usrreq(struct socket *so, int req, |
struct socket *so; |
struct mbuf *m, struct mbuf *nam, struct mbuf *control, struct lwp *l) |
int req; |
|
struct mbuf *m, *nam, *control; |
|
struct proc *p; |
|
{ |
{ |
struct inpcb *inp; |
struct inpcb *inp; |
int s; |
int s; |
Line 426 rip_usrreq(so, req, m, nam, control, p) |
|
Line 515 rip_usrreq(so, req, m, nam, control, p) |
|
#endif |
#endif |
|
|
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) { |
|
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); |
|
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) |
Line 453 rip_usrreq(so, req, m, nam, control, p) |
|
Line 545 rip_usrreq(so, req, m, nam, control, p) |
|
error = EISCONN; |
error = EISCONN; |
break; |
break; |
} |
} |
if (p == 0 || (error = suser(p->p_ucred, &p->p_acflag))) { |
|
|
if (l == NULL) { |
error = EACCES; |
error = EACCES; |
break; |
break; |
} |
} |
|
|
|
/* XXX: raw socket permissions are checked in socreate() */ |
|
|
if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { |
if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { |
error = soreserve(so, rip_sendspace, rip_recvspace); |
error = soreserve(so, rip_sendspace, rip_recvspace); |
if (error) |
if (error) |
Line 467 rip_usrreq(so, req, m, nam, control, p) |
|
Line 563 rip_usrreq(so, req, m, nam, control, p) |
|
break; |
break; |
inp = sotoinpcb(so); |
inp = sotoinpcb(so); |
inp->inp_ip.ip_p = (long)nam; |
inp->inp_ip.ip_p = (long)nam; |
#ifdef IPSEC |
|
error = ipsec_init_policy(so, &inp->inp_sp); |
|
if (error != 0) { |
|
in_pcbdetach(inp); |
|
break; |
|
} |
|
#endif /*IPSEC*/ |
|
break; |
break; |
|
|
case PRU_DETACH: |
case PRU_DETACH: |
|
|
splx(s); |
splx(s); |
return (error); |
return (error); |
} |
} |
|
|
|
SYSCTL_SETUP(sysctl_net_inet_raw_setup, "sysctl net.inet.raw subtree setup") |
|
{ |
|
|
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_NODE, "net", NULL, |
|
NULL, 0, NULL, 0, |
|
CTL_NET, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_NODE, "inet", NULL, |
|
NULL, 0, NULL, 0, |
|
CTL_NET, PF_INET, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_NODE, "raw", |
|
SYSCTL_DESCR("Raw IPv4 settings"), |
|
NULL, 0, NULL, 0, |
|
CTL_NET, PF_INET, IPPROTO_RAW, CTL_EOL); |
|
|
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT, |
|
CTLTYPE_STRUCT, "pcblist", |
|
SYSCTL_DESCR("Raw IPv4 control block list"), |
|
sysctl_inpcblist, 0, &rawcbtable, 0, |
|
CTL_NET, PF_INET, IPPROTO_RAW, |
|
CTL_CREATE, CTL_EOL); |
|
} |