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Sync with latest KAME.

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Obtained from:	KAME
This commit is contained in:
kris 2000-07-05 11:12:53 +00:00
parent 4bf2ee2817
commit 66c44f6a43
7 changed files with 343 additions and 143 deletions
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8
usr.sbin/rrenumd/Makefile
View File

@ -17,13 +17,9 @@ PROG= rrenumd
SRCS= rrenumd.c parser.y lexer.l
YFLAGS+= -d
CC= gcc
CFLAGS+= -DINET6 -DIPSEC -I${.OBJDIR}
LDADD+= -lipsec -lcompat
DPADD+= ${LIBIPSEC} ${LIBCOMPAT}
LDADD+= -ll -ly
DPADD+= ${LIBL} ${LIBY}
LDADD+= -lipsec -lcompat -ll -ly
DPADD+= ${LIBIPSEC} ${LIBCOMPAT} ${LIBL} ${LIBY}
MAN5= rrenumd.conf.5
MAN8= rrenumd.8

16
usr.sbin/rrenumd/lexer.l
View File

@ -1,3 +1,5 @@
/* $KAME$ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
@ -37,11 +39,16 @@
#include <string.h>
#include <net/if.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <net/if_var.h>
#endif /* __FreeBSD__ >= 3 */
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/icmp6.h>
#include <arpa/inet.h>
#include "y.tab.h"
int lineno = 1;
@ -209,6 +216,15 @@ off {
yylval.cs.len = yyleng;
return NAME;
}
{ipv4addr} {
memset(&yylval.addr4, 0, sizeof(struct in_addr));
if (inet_pton(AF_INET, yytext,
&yylval.addr4) == 1) {
return IPV4ADDR;
} else {
return ERROR;
}
}
{ipv6addr} {
memset(&yylval.addr6, 0, sizeof(struct in6_addr));
if (inet_pton(AF_INET6, yytext,

56
usr.sbin/rrenumd/parser.y
View File

@ -1,3 +1,5 @@
/* $KAME$ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
@ -36,7 +38,9 @@
#include <sys/uio.h>
#include <net/if.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <net/if_var.h>
#endif /* __FreeBSD__ >= 3 */
#include <netinet/in.h>
#include <netinet/in_var.h>
@ -103,7 +107,7 @@ static void pllist_enqueue __P((struct payload_list *pl_entry));
%type <num> lifetime days hours minutes seconds
%type <num> decstring
%type <num> raf_onlink raf_auto raf_decrvalid raf_decrprefd flag
%type <dl> dest_addrs dest_addr sin6
%type <dl> dest_addrs dest_addr sin sin6
%type <pl> rrenum_statement
%type <cs> ifname
%type <prefix> prefixval
@ -158,7 +162,11 @@ dest_addrs:
;
dest_addr :
sin6
sin
{
with_v4dest = 1;
}
| sin6
{
with_v6dest = 1;
}
@ -179,7 +187,7 @@ dest_addr :
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = AF_INET6;
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_RAW;
hints.ai_protocol = 0;
error = getaddrinfo($1.cp, 0, &hints, &res);
@ -200,6 +208,24 @@ dest_addr :
}
;
sin:
IPV4ADDR
{
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)malloc(sizeof(*sin));
memset(sin, 0, sizeof(*sin));
sin->sin_len = sizeof(*sin);
sin->sin_family = AF_INET;
sin->sin_addr = $1;
$$ = (struct dst_list *)
malloc(sizeof(struct dst_list));
memset($$, 0, sizeof(struct dst_list));
$$->dl_dst = (struct sockaddr *)sin;
}
;
sin6:
IPV6ADDR
{
@ -427,40 +453,44 @@ use_prefix_values:
rpu->rpu_vltime = $2;
rpu->rpu_pltime = $3;
if ($4 == NOSPEC)
if ($4 == NOSPEC) {
rpu->rpu_ramask &=
~ICMP6_RR_PCOUSE_RAFLAGS_ONLINK;
else {
} else {
rpu->rpu_ramask |=
ICMP6_RR_PCOUSE_RAFLAGS_ONLINK;
if ($4 == ON)
if ($4 == ON) {
rpu->rpu_raflags |=
ICMP6_RR_PCOUSE_RAFLAGS_ONLINK;
else
} else {
rpu->rpu_raflags &=
~ICMP6_RR_PCOUSE_RAFLAGS_ONLINK;
}
if ($5 == NOSPEC)
}
if ($5 == NOSPEC) {
rpu->rpu_ramask &=
ICMP6_RR_PCOUSE_RAFLAGS_AUTO;
else {
} else {
rpu->rpu_ramask |=
ICMP6_RR_PCOUSE_RAFLAGS_AUTO;
if ($5 == ON)
if ($5 == ON) {
rpu->rpu_raflags |=
ICMP6_RR_PCOUSE_RAFLAGS_AUTO;
else
} else {
rpu->rpu_raflags &=
~ICMP6_RR_PCOUSE_RAFLAGS_AUTO;
}
}
rpu->rpu_flags = 0;
if ($6 == ON)
if ($6 == ON) {
rpu->rpu_flags |=
ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME;
if ($7 == ON)
}
if ($7 == ON) {
rpu->rpu_flags |=
ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME;
}
}
;
keeplen:

13
usr.sbin/rrenumd/rrenumd.8
View File

@ -1,3 +1,5 @@
.\" $KAME$
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
.\" All rights reserved.
.\"
@ -25,12 +27,11 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id: rrenumd.8,v 1.1.1.1 1999/08/08 23:31:38 itojun Exp $
.\" $FreeBSD$
.\"
.Dd Sep 7, 1998
.Dt RRENUMD 8
.Os KAME
.Os
.Sh NAME
.Nm rrenumd
.Nd router renumbering daemon
@ -39,7 +40,6 @@
.Oo
.Fl c Ar conf_file | Fl s
.Oc
.Op Fl P Ar policy
.Op Fl df
.Sh DESCRIPTION
.Nm Rrenumd
@ -72,13 +72,6 @@ Do not become daemon.
.It Fl s
Script mode.
Configuration information is obtained from standard input.
.It Fl P Ar policy
.Ar policy
specifies IPsec policy for the rrenumd session.
For details please refer to
.Xr ipsec 4
and
.Xr ipsec_set_policy 3 .
.It Fl c Ar conf_file
Specify a configuration file where configuration information is kept.
.Sh RETURN VALUES

211
usr.sbin/rrenumd/rrenumd.c
View File

@ -1,3 +1,5 @@
/* $KAME$ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
@ -44,11 +46,14 @@
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include <arpa/inet.h>
#ifdef IPSEC
#include <netinet6/ipsec.h>
#endif
#include <stdio.h>
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
@ -71,6 +76,9 @@ struct flags {
#ifdef IPSEC
#ifdef IPSEC_POLICY_IPSEC
u_long policy : 1;
#else /* IPSEC_POLICY_IPSEC */
u_long auth : 1;
u_long encrypt : 1;
#endif /* IPSEC_POLICY_IPSEC */
#endif /*IPSEC*/
};
@ -80,8 +88,8 @@ struct msghdr rcvmhdr;
struct sockaddr_in6 from;
struct sockaddr_in6 sin6_ll_allrouters;
int s6;
int with_v6dest;
int s4, s6;
int with_v4dest, with_v6dest;
struct in6_addr prefix; /* ADHOC */
int prefixlen = 64; /* ADHOC */
@ -95,6 +103,8 @@ show_usage()
#ifdef IPSEC
#ifdef IPSEC_POLICY_IPSEC
"] [-P policy"
#else /* IPSEC_POLICY_IPSEC */
"AE"
#endif /* IPSEC_POLICY_IPSEC */
#endif /* IPSEC */
"]\n");
@ -111,15 +121,44 @@ init_sin6(struct sockaddr_in6 *sin6, const char *addr_ascii)
; /* XXX do something */
}
#if 0 /* XXX: not necessary ?? */
void
join_multi(const char *addrname)
{
struct ipv6_mreq mreq;
if (inet_pton(AF_INET6, addrname, &mreq.ipv6mr_multiaddr.s6_addr)
!= 1) {
syslog(LOG_ERR, "<%s> inet_pton failed(library bug?)",
__FUNCTION__);
exit(1);
}
/* ADHOC: currently join only one */
{
if ((mreq.ipv6mr_interface = if_nametoindex(ifname)) == 0) {
syslog(LOG_ERR, "<%s> ifname %s should be invalid: %s",
__FUNCTION__, ifname, strerror(errno));
exit(1);
}
if (setsockopt(s, IPPROTO_IPV6, IPV6_JOIN_GROUP,
&mreq,
sizeof(mreq)) < 0) {
syslog(LOG_ERR, "<%s> IPV6_JOIN_GROUP on %s: %s",
__FUNCTION__, ifname, strerror(errno));
exit(1);
}
}
}
#endif
void
init_globals()
{
static struct iovec rcviov;
static u_char rprdata[4500]; /* maximal MTU of connected links */
static u_char rcvcmsgbuf[CMSG_SPACE(sizeof(struct in6_pktinfo)) +
CMSG_SPACE(sizeof(int))];
static u_char sndcmsgbuf[CMSG_SPACE(sizeof(struct in6_pktinfo)) +
CMSG_SPACE(sizeof(int))];
static u_char *rcvcmsgbuf = NULL;
static u_char *sndcmsgbuf = NULL;
int sndcmsglen, rcvcmsglen;
/* init ll_allrouters */
init_sin6(&sin6_ll_allrouters, LL_ALLROUTERS);
@ -130,14 +169,28 @@ init_globals()
rcvmhdr.msg_namelen = sizeof(struct sockaddr_in6);
rcvmhdr.msg_iov = &rcviov;
rcvmhdr.msg_iovlen = 1;
rcvcmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
CMSG_SPACE(sizeof(int));
if (rcvcmsgbuf == NULL &&
(rcvcmsgbuf = (u_char *)malloc(rcvcmsglen)) == NULL) {
syslog(LOG_ERR, "<%s>: malloc failed", __FUNCTION__);
exit(1);
}
rcvmhdr.msg_control = (caddr_t)rcvcmsgbuf;
rcvmhdr.msg_controllen = sizeof(rcvcmsgbuf);
rcvmhdr.msg_controllen = rcvcmsglen;
/* initialize msghdr for sending packets */
sndmhdr.msg_namelen = sizeof(struct sockaddr_in6);
sndmhdr.msg_iovlen = 1;
sndcmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
CMSG_SPACE(sizeof(int));
if (sndcmsgbuf == NULL &&
(sndcmsgbuf = (u_char *)malloc(sndcmsglen)) == NULL) {
syslog(LOG_ERR, "<%s>: malloc failed", __FUNCTION__);
exit(1);
}
sndmhdr.msg_control = (caddr_t)sndcmsgbuf;
sndmhdr.msg_controllen = sizeof(sndcmsgbuf);
sndmhdr.msg_controllen = sndcmsglen;
}
void
@ -191,7 +244,12 @@ sock6_open(struct flags *flags
)
{
struct icmp6_filter filt;
int on, optval;
int on;
#ifdef IPSEC
#ifndef IPSEC_POLICY_IPSEC
int optval;
#endif
#endif
if (with_v6dest == 0)
return;
@ -202,7 +260,13 @@ sock6_open(struct flags *flags
exit(1);
}
/* join all routers multicast addresses, not necessary? */
/*
* join all routers multicast addresses.
*/
#if 0 /* XXX: not necessary ?? */
join_multi(LL_ALLROUTERS);
join_multi(SL_ALLROUTERS);
#endif
/* set icmpv6 filter */
ICMP6_FILTER_SETBLOCKALL(&filt);
@ -236,6 +300,91 @@ sock6_open(struct flags *flags
err(1, NULL);
free(buf);
}
#else /* IPSEC_POLICY_IPSEC */
if (flags->auth) {
optval = IPSEC_LEVEL_REQUIRE;
if (setsockopt(s6, IPPROTO_IPV6, IPV6_AUTH_TRANS_LEVEL,
&optval, sizeof(optval)) == -1) {
syslog(LOG_ERR, "<%s> IPV6_AUTH_TRANS_LEVEL: %s",
__FUNCTION__, strerror(errno));
exit(1);
}
}
if (flags->encrypt) {
optval = IPSEC_LEVEL_REQUIRE;
if (setsockopt(s6, IPPROTO_IPV6, IPV6_ESP_TRANS_LEVEL,
&optval, sizeof(optval)) == -1) {
syslog(LOG_ERR, "<%s> IPV6_ESP_TRANS_LEVEL: %s",
__FUNCTION__, strerror(errno));
exit(1);
}
}
#endif /* IPSEC_POLICY_IPSEC */
#endif /* IPSEC */
return;
}
void
sock4_open(struct flags *flags
#ifdef IPSEC_POLICY_IPSEC
, char *policy
#endif /* IPSEC_POLICY_IPSEC */
)
{
#ifdef IPSEC
#ifndef IPSEC_POLICY_IPSEC
int optval;
#endif
#endif
if (with_v4dest == 0)
return;
if ((s4 = socket(AF_INET, SOCK_RAW, IPPROTO_ICMPV6)) < 0) {
syslog(LOG_ERR, "<%s> socket(v4): %s", __FUNCTION__,
strerror(errno));
exit(1);
}
#if 0 /* XXX: not necessary ?? */
/*
* join all routers multicast addresses.
*/
some_join_function();
#endif
#ifdef IPSEC
#ifdef IPSEC_POLICY_IPSEC
if (flags->policy) {
char *buf;
buf = ipsec_set_policy(policy, strlen(policy));
if (buf == NULL)
errx(1, ipsec_strerror());
/* XXX should handle in/out bound policy. */
if (setsockopt(s4, IPPROTO_IP, IP_IPSEC_POLICY,
buf, ipsec_get_policylen(buf)) < 0)
err(1, NULL);
free(buf);
}
#else /* IPSEC_POLICY_IPSEC */
if (flags->auth) {
optval = IPSEC_LEVEL_REQUIRE;
if (setsockopt(s4, IPPROTO_IP, IP_AUTH_TRANS_LEVEL,
&optval, sizeof(optval)) == -1) {
syslog(LOG_ERR, "<%s> IP_AUTH_TRANS_LEVEL: %s",
__FUNCTION__, strerror(errno));
exit(1);
}
}
if (flags->encrypt) {
optval = IPSEC_LEVEL_REQUIRE;
if (setsockopt(s4, IPPROTO_IP, IP_ESP_TRANS_LEVEL,
&optval, sizeof(optval)) == -1) {
syslog(LOG_ERR, "<%s> IP_ESP_TRANS_LEVEL: %s",
__FUNCTION__, strerror(errno));
exit(1);
}
}
#endif /* IPSEC_POLICY_IPSEC */
#endif /* IPSEC */
@ -248,7 +397,6 @@ rrenum_output(struct payload_list *pl, struct dst_list *dl)
int i, msglen = 0;
struct cmsghdr *cm;
struct in6_pktinfo *pi;
struct icmp6_router_renum *rr;
struct sockaddr_in6 *sin6 = NULL;
sndmhdr.msg_name = (caddr_t)dl->dl_dst;
@ -267,7 +415,7 @@ rrenum_output(struct payload_list *pl, struct dst_list *dl)
pi = (struct in6_pktinfo *)CMSG_DATA(cm);
memset(&pi->ipi6_addr, 0, sizeof(pi->ipi6_addr)); /*XXX*/
pi->ipi6_ifindex = sin6->sin6_scope_id;
msglen += CMSG_SPACE(sizeof(struct in6_pktinfo));
msglen += CMSG_LEN(sizeof(struct in6_pktinfo));
/* specify the hop limit of the packet if dest is link local */
/* not defined by router-renum-05.txt, but maybe its OK */
@ -276,14 +424,14 @@ rrenum_output(struct payload_list *pl, struct dst_list *dl)
cm->cmsg_type = IPV6_HOPLIMIT;
cm->cmsg_len = CMSG_LEN(sizeof(int));
memcpy(CMSG_DATA(cm), &hoplimit, sizeof(int));
msglen += CMSG_SPACE(sizeof(int));
msglen += CMSG_LEN(sizeof(int));
}
sndmhdr.msg_controllen = msglen;
if (sndmhdr.msg_controllen == 0)
sndmhdr.msg_control = 0;
sndmhdr.msg_iov = &pl->pl_sndiov;
i = sendmsg(s6, &sndmhdr, 0);
i = sendmsg(dl->dl_dst->sa_family == AF_INET ? s4 : s6, &sndmhdr, 0);
if (i < 0 || i != sndmhdr.msg_iov->iov_len)
syslog(LOG_ERR, "<%s> sendmsg: %s", __FUNCTION__,
@ -322,11 +470,18 @@ rrenum_input(int s)
strerror(errno));
return;
}
if (s == s4)
i -= sizeof(struct ip);
if (i < sizeof(struct icmp6_router_renum)) {
syslog(LOG_ERR, "<%s> packet size(%d) is too short",
__FUNCTION__, i);
return;
}
if (s == s4) {
struct ip *ip = (struct ip *)rcvmhdr.msg_iov->iov_base;
rr = (struct icmp6_router_renum *)(ip + 1);
} else /* s == s6 */
rr = (struct icmp6_router_renum *)rcvmhdr.msg_iov->iov_base;
switch(rr->rr_code) {
@ -337,7 +492,7 @@ rrenum_input(int s)
/* TODO: receiving result message */
break;
default:
syslog(LOG_ERR, "<%s> received unknown code %d"
syslog(LOG_ERR, "<%s> received unknown code %d",
__FUNCTION__, rr->rr_code);
break;
}
@ -346,7 +501,6 @@ rrenum_input(int s)
int
main(int argc, char *argv[])
{
char *cfile = NULL;
FILE *fp = stdin;
fd_set fdset;
struct timeval timeout;
@ -358,13 +512,15 @@ main(int argc, char *argv[])
#endif
memset(&flags, 0, sizeof(flags));
openlog(*argv, LOG_PID, LOG_DAEMON);
openlog("rrenumd", LOG_PID, LOG_DAEMON);
/* get options */
while ((ch = getopt(argc, argv, "c:sdf"
#ifdef IPSEC
#ifdef IPSEC_POLICY_IPSEC
"P:"
"P"
#else /* IPSEC_POLICY_IPSEC */
"AE"
#endif /* IPSEC_POLICY_IPSEC */
#endif /* IPSEC */
)) != -1){
@ -392,6 +548,13 @@ main(int argc, char *argv[])
flags.policy = 1;
policy = strdup(optarg);
break;
#else /* IPSEC_POLICY_IPSEC */
case 'A':
flags.auth = 1;
break;
case 'E':
flags.encrypt = 1;
break;
#endif /* IPSEC_POLICY_IPSEC */
#endif /*IPSEC*/
default:
@ -415,6 +578,11 @@ main(int argc, char *argv[])
sock6_open(&flags
#ifdef IPSEC_POLICY_IPSEC
, policy
#endif /* IPSEC_POLICY_IPSEC */
);
sock4_open(&flags
#ifdef IPSEC_POLICY_IPSEC
, policy
#endif /* IPSEC_POLICY_IPSEC */
);
@ -427,6 +595,11 @@ main(int argc, char *argv[])
if (s6 > maxfd)
maxfd = s6;
}
if (with_v4dest) {
FD_SET(s4, &fdset);
if (s4 > maxfd)
maxfd = s4;
}
/* ADHOC: timeout each 30seconds */
memset(&timeout, 0, sizeof(timeout));
@ -454,6 +627,8 @@ main(int argc, char *argv[])
send_counter = retry + 1;
}
}
if (FD_ISSET(s4, &select_fd))
rrenum_input(s4);
if (FD_ISSET(s6, &select_fd))
rrenum_input(s6);
}

57
usr.sbin/rrenumd/rrenumd.conf.5
View File

@ -1,3 +1,5 @@
.\" $KAME$
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
.\" All rights reserved.
.\"
@ -25,7 +27,6 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id: rrenumd.conf.5,v 1.1.1.1 1999/08/08 23:31:39 itojun Exp $
.\" $FreeBSD$
.\"
.Dd Nov 5, 1998
@ -61,8 +62,8 @@ square brackets (`[' and `]') are used to show optional
keywords and parameters.
The vertical bar (`|') is used to indicate
between a choice of optional parameters.
Curly braces (`{' and
`}') are used to group keywords and parameters when necessary.
Parentheses (`(' and
`)') are used to group keywords and parameters when necessary.
.\"
.Sh Interface specification
There are some statements that may or have to specify interface.
@ -83,8 +84,7 @@ then debugging is enabled,
If
.Ic off
is specified,
then debugging is disabled.
It is disabled by default.
then debugging is disabled. It is disabled by default.
.\"
.It Ic dest Ar dest-list Op Ar retrycmd ;
Specifies destinations to which router renumbering messages should be
@ -164,7 +164,7 @@ copied to the starting part of prefixes to be added on
.Cm add|change|setglobal
command, as decimal bit number.
.It Cm keeplen Ar keeplen-val
Specify the medium part of
Specify the midium part of
.Ar use-prefix-val
just next to the starting part specified by
.Ar use-prefix-len
@ -181,8 +181,7 @@ Valid value for
.Ar time
is decimal seconds number or special format as "d00h00m00s00",
where 00 can take any decimal number, and "d" means days, "h" means hours,
"m" means minutes, "s" means seconds.
And alternatively, special keyword
"m" means minutes, "s" means seconds. And alternatively, special keyword
"infinity" can be also be specified.
.It Cm pltime Ar pltime-val
Assign an
@ -194,48 +193,38 @@ is same as for
.Ar vltime-val .
.It Cm raf_onlink Cm on|off
Let the prefix to be added to have on-link or off-link nature
for the assigned interface.
If
for the assigned interface. If
.Cm on
is specified, the prefix have on-link nature.
(e.g. the prefix
is specified, the prefix have on-link nature. (e.g. the prefix
belong to the link) If
.Cm off
is specified, the prefix have off-link nature.
(e.g. the
is specified, the prefix have off-link nature. (e.g. the
prefix does not belong to the link)
.It Cm raf_auto Cm on|off
Enable or disable the autonomous address auto configuration
for the prefix to be added.
If
for the prefix to be added. If
.Cm on
is specified, autonomous address auto configuration is
enabled.
If
enabled. If
.Cm off
is specified, it is disabled.
.It Cm rrf_decrprefd Cm on|off
Enable or disable the decrementation of the pltime.
If
Enable or disable the decrementation of the pltime. If
.Cm on
is specified, decrementation of the pltime is enabled.
If
is specified, decrementation of the pltime is enabled. If
.Cm off
is specified, decrementation of the pltime is disabled.
.It Cm rrf_decrvalid Cm on|off
Enable or disable the decrementation of the vltime.
If
Enable or disable the decrementation of the vltime. If
.Cm on
is specified, decrementation of the vltime is enabled.
If
is specified, decrementation of the vltime is enabled. If
.Cm off
is specified, decrementation of the vltime is disabled.
.El
.\"
.It seqnum Ar seqnum-val { Ar rrenum-cmd } ;
Specifies contents of sending router renumbering message with some
specific seqnum.
Multiple of this statement can be specified if they
specific seqnum. Multiple of this statement can be specified if they
have different
.Ar seqnum-val
each other.
@ -246,11 +235,10 @@ has just same syntax with above add|change|setglobal statement.
.Sh EXAMPLE
For each configuration file example shown below, we suppose
every IPv6 subnet has its own prefix beginning with
fec0:0:0::/48 and with its own subnet number.
(in this case,
fec0:0:0::/48 and with its own subnet number. (in this case,
subnet number is 7th and 8th octet value of the prefix)
.Pp
If you want to assign prefixes beginning with fec0:1:1::/48
If you want to assigne prefixes beginning with fec0:1:1::/48
to each subnet, then following configuration will be enough,
if each of your routers supports IPv6 multicast forwarding.
The subnet number of the existing fec0:0:0::/48 prefix and the
@ -278,11 +266,10 @@ add match-prefix fec0:0:0:: /48 use-prefix fec0:1:1:: /48 keeplen 16;
If you are going to do renumbering, then following procedure will be natural.
.Bl -enum -offset indent
.It
Assign new prefix.
Assigne new prefix.
.It
Set old prefix lifetimes to some appropriate transition
period.
In the followng example we use 1 week for valid
period. In the followng example we use 1 week for valid
lifetime, and 0 for preferred lifetime.
Also, enable old prefix lifetime expiration.
(By default, it is static and does not expire)
@ -334,7 +321,7 @@ command is almost same with
command except that it deletes all pre-defined IPv6 global address.
.Sh SEE ALSO
.Xr rrenumd 8 ,
.Xr rrenumd 8
.Xr prefix 8
.Sh HISTORY
The

5
usr.sbin/rrenumd/rrenumd.h
View File

@ -1,3 +1,5 @@
/* $KAME$ */
/*
* Copyright (C) 1998 WIDE Project.
* All rights reserved.
@ -43,7 +45,8 @@ extern struct dst_list *dl_head;
struct payload_list {
struct payload_list * pl_next;
struct iovec pl_sndiov;
struct icmp6_router_renum pl_irr;
struct icmp6_router_renum
pl_irr;
struct rr_pco_match pl_rpm;
/* currently, support only 1 rr_pco_use field per packet */
struct rr_pco_use pl_rpu;