| version 1.87, 2005/04/29 10:39:09 |
version 1.87.2.4, 2007/09/03 14:43:00 |
| Line 77 __KERNEL_RCSID(0, "$NetBSD$"); |
|
| Line 77 __KERNEL_RCSID(0, "$NetBSD$"); |
|
| #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> |
| Line 142 rip_input(struct mbuf *m, ...) |
|
| Line 143 rip_input(struct mbuf *m, ...) |
|
| 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; |
| 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; |
| |
|
| Line 152 rip_input(struct mbuf *m, ...) |
|
| Line 153 rip_input(struct mbuf *m, ...) |
|
| 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 |
| Line 178 rip_input(struct mbuf *m, ...) |
|
| Line 175 rip_input(struct mbuf *m, ...) |
|
| 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 defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
| /* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
| if (ipsec4_in_reject_so(m, last->inp_socket)) { |
else if (ipsec4_in_reject_so(m, last->inp_socket)) { |
| ipsecstat.in_polvio++; |
ipsecstat.in_polvio++; |
| /* do not inject data to pcb */ |
/* do not inject data to pcb */ |
| } else |
} |
| #endif /*IPSEC*/ |
#endif /*IPSEC*/ |
| if ((n = m_copy(m, 0, (int)M_COPYALL)) != NULL) { |
else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { |
| if (last->inp_flags & INP_CONTROLOPTS || |
if (last->inp_flags & INP_CONTROLOPTS || |
| last->inp_socket->so_options & SO_TIMESTAMP) |
last->inp_socket->so_options & SO_TIMESTAMP) |
| ip_savecontrol(last, &opts, ip, n); |
ip_savecontrol(last, &opts, ip, n); |
| if (sbappendaddr(&last->inp_socket->so_rcv, |
if (sbappendaddr(&last->inp_socket->so_rcv, |
| sintosa(&ripsrc), n, opts) == 0) { |
sintosa(&ripsrc), n, opts) == 0) { |
| /* should notify about lost packet */ |
/* should notify about lost packet */ |
| m_freem(n); |
m_freem(n); |
| if (opts) |
if (opts) |
| m_freem(opts); |
m_freem(opts); |
| } else |
} else |
| sorwakeup(last->inp_socket); |
sorwakeup(last->inp_socket); |
| opts = NULL; |
opts = NULL; |
| } |
|
| } |
} |
| last = inp; |
last = inp; |
| } |
} |
| #if defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
| /* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
| if (last && 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++; |
ipsecstat.in_polvio++; |
| ipstat.ips_delivered--; |
ipstat.ips_delivered--; |
| /* do not inject data to pcb */ |
/* do not inject data to pcb */ |
| } else |
} else |
| #endif /*IPSEC*/ |
#endif /*IPSEC*/ |
| if (last) { |
if (last != NULL) { |
| if (last->inp_flags & INP_CONTROLOPTS || |
if (last->inp_flags & INP_CONTROLOPTS || |
| last->inp_socket->so_options & SO_TIMESTAMP) |
last->inp_socket->so_options & SO_TIMESTAMP) |
| ip_savecontrol(last, &opts, ip, m); |
ip_savecontrol(last, &opts, ip, m); |
| Line 225 rip_input(struct mbuf *m, ...) |
|
| Line 220 rip_input(struct mbuf *m, ...) |
|
| m_freem(opts); |
m_freem(opts); |
| } else |
} else |
| sorwakeup(last->inp_socket); |
sorwakeup(last->inp_socket); |
| } 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; |
| } |
} |
| |
|
| Line 265 rip_pcbnotify(struct inpcbtable *table, |
|
| Line 258 rip_pcbnotify(struct inpcbtable *table, |
|
| } |
} |
| |
|
| void * |
void * |
| rip_ctlinput(int cmd, struct sockaddr *sa, void *v) |
rip_ctlinput(int cmd, const struct sockaddr *sa, void *v) |
| { |
{ |
| struct ip *ip = v; |
struct ip *ip = v; |
| void (*notify)(struct inpcb *, int) = in_rtchange; |
void (*notify)(struct inpcb *, int) = in_rtchange; |
| Line 284 rip_ctlinput(int cmd, struct sockaddr *s |
|
| Line 277 rip_ctlinput(int cmd, struct sockaddr *s |
|
| else if (errno == 0) |
else if (errno == 0) |
| return NULL; |
return NULL; |
| if (ip) { |
if (ip) { |
| rip_pcbnotify(&rawcbtable, satosin(sa)->sin_addr, |
rip_pcbnotify(&rawcbtable, satocsin(sa)->sin_addr, |
| ip->ip_src, ip->ip_p, errno, notify); |
ip->ip_src, ip->ip_p, errno, notify); |
| |
|
| /* XXX mapped address case */ |
/* XXX mapped address case */ |
| } else |
} else |
| in_pcbnotifyall(&rawcbtable, satosin(sa)->sin_addr, errno, |
in_pcbnotifyall(&rawcbtable, satocsin(sa)->sin_addr, errno, |
| notify); |
notify); |
| return NULL; |
return NULL; |
| } |
} |
| Line 502 u_long rip_recvspace = RIPRCVQ; |
|
| Line 495 u_long rip_recvspace = RIPRCVQ; |
|
| /*ARGSUSED*/ |
/*ARGSUSED*/ |
| int |
int |
| rip_usrreq(struct socket *so, int req, |
rip_usrreq(struct socket *so, int req, |
| struct mbuf *m, struct mbuf *nam, struct mbuf *control, struct proc *p) |
struct mbuf *m, struct mbuf *nam, struct mbuf *control, struct lwp *l) |
| { |
{ |
| struct inpcb *inp; |
struct inpcb *inp; |
| int s; |
int s; |
| Line 512 rip_usrreq(struct socket *so, int req, |
|
| Line 505 rip_usrreq(struct socket *so, int req, |
|
| #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_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 540 rip_usrreq(struct socket *so, int req, |
|
| Line 535 rip_usrreq(struct socket *so, int req, |
|
| 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) |