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make it possible to obtain default router address from any interface (-i).

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-r might be sufficient.
http://pc.2ch.net/test/read.cgi/unix/1050823044/377
This commit is contained in:
itojun 2003-06-26 05:38:45 +00:00
parent 3b8a1d1f0c
commit e195d590d8
2 changed files with 25 additions and 8 deletions
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17
usr.sbin/rpc.bootparamd/bootparamd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: bootparamd.c,v 1.40 2002/03/22 18:10:26 thorpej Exp $ */
/* $NetBSD: bootparamd.c,v 1.41 2003/06/26 05:38:45 itojun Exp $ */
/*
* This code is not copyright, and is placed in the public domain.
@ -11,7 +11,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: bootparamd.c,v 1.40 2002/03/22 18:10:26 thorpej Exp $");
__RCSID("$NetBSD: bootparamd.c,v 1.41 2003/06/26 05:38:45 itojun Exp $");
#endif
#include <sys/types.h>
@ -62,6 +62,7 @@ int dolog = 0;
struct in_addr route_addr;
struct sockaddr_in my_addr;
char *bootpfile = _PATH_BOOTPARAMS;
char *iface = NULL;
int main __P((int, char *[]));
int lookup_bootparam __P((char *, char *, char *, char **, char **));
@ -82,11 +83,14 @@ main(argc, argv)
struct stat buf;
int c;
while ((c = getopt(argc, argv, "dsr:f:")) != -1)
while ((c = getopt(argc, argv, "di:sr:f:")) != -1)
switch (c) {
case 'd':
debug = 1;
break;
case 'i':
iface = optarg;
break;
case 'r':
if (isdigit(*optarg)) {
if (inet_aton(optarg, &route_addr) != 0)
@ -465,7 +469,7 @@ void
usage()
{
fprintf(stderr,
"usage: %s [-d] [-s] [-r router] [-f bootparmsfile]\n",
"usage: %s [-ds] [-i interface] [-r router] [-f bootparmsfile]\n",
getprogname());
exit(1);
}
@ -498,7 +502,10 @@ get_localaddr(ifname, sin)
continue;
#endif
/* XXX more sanity checks? */
if (!iface || strcmp(ifa->ifa_name, iface) == 0)
;
else
continue;
/* candidate found */
memcpy(sin, ifa->ifa_addr, ifa->ifa_addr->sa_len);

16
usr.sbin/rpc.bootparamd/rpc.bootparamd.8
View File

@ -1,4 +1,4 @@
.\" $NetBSD: rpc.bootparamd.8,v 1.14 2003/02/14 16:11:36 grant Exp $
.\" $NetBSD: rpc.bootparamd.8,v 1.15 2003/06/26 05:38:45 itojun Exp $
.\" @(#)bootparamd.8
.Dd January 8, 1994
.Dt BOOTPARAMD 8
@ -9,8 +9,8 @@
.Nd boot parameter server
.Sh SYNOPSIS
.Nm
.Op Fl d
.Op Fl s
.Op Fl ds
.Op Fl i ar interface
.Op Fl r Ar router
.Op Fl f Ar file
.Sh DESCRIPTION
@ -37,6 +37,16 @@ will be searched immediately.
.It Fl d
Display the debugging information. The daemon does not fork in this
case.
.It Fl i Ar interface
Specify the interface to become the default router.
.Nm
picks the first IPv4 address it finds on the system by default.
With
.Fl i ,
you can control which interface to be used to obtain the default router address.
.Fl r
overrides
.Fl i .
.It Fl s
Log the debugging information with
.Xr syslog 3 .