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sync with more recent kame code.

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accept scoped address notation.
This commit is contained in:
itojun 2000-06-20 22:23:01 +00:00
parent 4696f48761
commit f42e218016
2 changed files with 53 additions and 20 deletions
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22
usr.sbin/ndp/ndp.8
View File

@ -1,6 +1,9 @@
.\" $NetBSD: ndp.8,v 1.8 2000/06/20 22:23:01 itojun Exp $
.\" $KAME: ndp.8,v 1.12 2000/06/20 21:50:17 itojun Exp $
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
.\" All rights reserved.
.\"
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
@ -12,7 +15,7 @@
.\" 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
.\" without specific prior written permission.
.\"
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@ -25,16 +28,13 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $NetBSD: ndp.8,v 1.7 2000/04/16 15:28:01 itojun Exp $
.\" KAME Id: ndp.8,v 1.9 2000/04/16 15:17:33 itojun Exp
.\"
.Dd May 17, 1998
.Dt NDP 8
.Os
.\"
.Sh NAME
.Nm ndp
.Nd control/diagnose IPv6 neighbor discovery protocol
.Nd control/diagnose IPv6 neighbor discovery protocol
.\"
.Sh SYNOPSIS
.Nm ndp
@ -80,6 +80,7 @@
.Op Li proxy
.\"
.Sh DESCRIPTION
The
.Nm
command manipulates the address mapping table
used by Neighbor Discovery Protocol (NDP).
@ -148,11 +149,11 @@ Flush all the entries in the default router list.
Register a NDP entry for a node.
The entry will be permanent unless the word
.Li temp
is given in the command.
is given in the command.
If the word
.Li proxy
is given, this system will act as an proxy NDP server,
responding to requests for
responding to requests for
.Ar hostname
even though the host address is not its own.
.It Fl t
@ -164,8 +165,9 @@ Most useful when used with
.El
.\"
.Sh RETURN VALUES
.Nm Ndp
will exit with 0 on success, and non-zero on errors.
The
.Nm
command will exit with 0 on success, and non-zero on errors.
.\"
.Sh SEE ALSO
.Xr arp 8

51
usr.sbin/ndp/ndp.c
View File

@ -1,7 +1,10 @@
/* $NetBSD: ndp.c,v 1.9 2000/06/20 22:23:02 itojun Exp $ */
/* $KAME: ndp.c,v 1.40 2000/06/20 21:50:17 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
* All rights reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@ -13,7 +16,7 @@
* 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
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@ -152,6 +155,7 @@ void ifinfo __P((int, char **));
void rtrlist __P((void));
void plist __P((void));
void pfx_flush __P((void));
void rtrlist __P((void));
void rtr_flush __P((void));
void harmonize_rtr __P((void));
#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
@ -255,6 +259,7 @@ main(argc, argv)
if (argc != 1)
usage();
delete(argv[0]);
exit(0);
}
if (pflag) {
plist();
@ -376,6 +381,12 @@ set(argc, argv)
return 1;
}
sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
#ifdef __KAME__
if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) {
*(u_int16_t *)&sin->sin6_addr.s6_addr[2] =
htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id);
}
#endif
ea = (u_char *)LLADDR(&sdl_m);
if (ndp_ether_aton(eaddr, ea) == 0)
sdl_m.sdl_alen = 6;
@ -389,7 +400,6 @@ set(argc, argv)
flags |= RTF_ANNOUNCE;
argv++;
}
tryagain:
if (rtmsg(RTM_GET) < 0) {
perror(host);
return (1);
@ -404,8 +414,13 @@ tryagain:
case IFT_ISO88024: case IFT_ISO88025:
goto overwrite;
}
goto tryagain;
/*
* IPv4 arp command retries with sin_other = SIN_PROXY here.
*/
fprintf(stderr, "set: cannot configure a new entry\n");
return 1;
}
overwrite:
if (sdl->sdl_family != AF_LINK) {
printf("cannot intuit interface index and type for %s\n", host);
@ -437,6 +452,12 @@ get(host)
return;
}
sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
#ifdef __KAME__
if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) {
*(u_int16_t *)&sin->sin6_addr.s6_addr[2] =
htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id);
}
#endif
dump(&sin->sin6_addr);
if (found_entry == 0) {
getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf,
@ -472,7 +493,12 @@ delete(host)
return 1;
}
sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
/*tryagain:*/
#ifdef __KAME__
if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) {
*(u_int16_t *)&sin->sin6_addr.s6_addr[2] =
htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id);
}
#endif
if (rtmsg(RTM_GET) < 0) {
perror(host);
return (1);
@ -489,8 +515,12 @@ delete(host)
goto delete;
}
}
/*
* IPv4 arp command retries with sin_other = SIN_PROXY here.
*/
fprintf(stderr, "delete: cannot delete non-NDP entry\n");
return 1;
}
return 0;
delete:
if (sdl->sdl_family != AF_LINK) {
@ -498,7 +528,7 @@ delete:
return (1);
}
if (rtmsg(RTM_DELETE) == 0) {
getnameinfo((struct sockaddr *)sin,
getnameinfo((struct sockaddr *)sin,
sin->sin6_len, host_buf,
sizeof(host_buf), NULL, 0,
NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0));
@ -521,6 +551,7 @@ dump(addr)
struct rt_msghdr *rtm;
struct sockaddr_in6 *sin;
struct sockaddr_dl *sdl;
extern int h_errno;
struct in6_nbrinfo *nbi;
struct timeval time;
int addrwidth;
@ -1038,7 +1069,7 @@ plist()
printf(" (reachable)\n");
break;
default:
printf(" (unreachable)\n");
printf(" (unreachable)\n");
}
}
else
@ -1112,7 +1143,7 @@ setdefif(ifname)
err(1, "failed to resolve i/f index for %s", ifname);
}
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
strcpy(ndifreq.ifname, "lo0"); /* dummy */
@ -1130,7 +1161,7 @@ getdefif()
struct in6_ndifreq ndifreq;
char ifname[IFNAMSIZ+8];
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
memset(&ndifreq, 0, sizeof(ndifreq));