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have rip_ctlinput to notify routing changes to raw sockets

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(protosw change to be done).  sync with kame
This commit is contained in:
itojun 2001-12-21 02:51:47 +00:00
parent f504aee318
commit dde7f16c1c
2 changed files with 67 additions and 3 deletions
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3
sys/netinet/ip_var.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: ip_var.h,v 1.45 2001/03/02 04:26:10 itojun Exp $ */
/* $NetBSD: ip_var.h,v 1.46 2001/12/21 02:51:47 itojun Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
@ -225,6 +225,7 @@ struct mbuf *
void ip_stripoptions __P((struct mbuf *, struct mbuf *));
int ip_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
void ipintr __P((void));
void * rip_ctlinput __P((int, struct sockaddr *, void *));
int rip_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
void rip_init __P((void));
void rip_input __P((struct mbuf *, ...));

67
sys/netinet/raw_ip.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: raw_ip.c,v 1.59 2001/11/13 00:32:40 lukem Exp $ */
/* $NetBSD: raw_ip.c,v 1.60 2001/12/21 02:51:47 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -65,7 +65,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.59 2001/11/13 00:32:40 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.60 2001/12/21 02:51:47 itojun Exp $");
#include "opt_ipsec.h"
#include "opt_mrouting.h"
@ -100,6 +100,8 @@ __KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.59 2001/11/13 00:32:40 lukem Exp $");
struct inpcbtable rawcbtable;
int rip_pcbnotify __P((struct inpcbtable *, struct in_addr,
struct in_addr, int, int, void (*) __P((struct inpcb *, int))));
int rip_bind __P((struct inpcb *, struct mbuf *));
int rip_connect __P((struct inpcb *, struct mbuf *));
void rip_disconnect __P((struct inpcb *));
@ -233,6 +235,67 @@ rip_input(m, va_alist)
return;
}
int
rip_pcbnotify(table, faddr, laddr, proto, errno, notify)
struct inpcbtable *table;
struct in_addr faddr, laddr;
int proto;
int errno;
void (*notify) __P((struct inpcb *, int));
{
struct inpcb *inp, *ninp;
int nmatch;
nmatch = 0;
for (inp = CIRCLEQ_FIRST(&table->inpt_queue);
inp != (struct inpcb *)&table->inpt_queue;
inp = ninp) {
ninp = inp->inp_queue.cqe_next;
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(cmd, sa, v)
int cmd;
struct sockaddr *sa;
void *v;
{
struct ip *ip = v;
void (*notify) __P((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, satosin(sa)->sin_addr,
ip->ip_src, ip->ip_p, errno, notify);
/* XXX mapped address case */
} else
in_pcbnotifyall(&rawcbtable, satosin(sa)->sin_addr, errno,
notify);
return NULL;
}
/*
* Generate IP header and pass packet to ip_output.
* Tack on options user may have setup with control call.