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[src/netbsd-9]: src/usr.sbin/rtadvd Pull up following revision(s) (requested ...
details: https://anonhg.NetBSD.org/src/rev/1c49be520166
branches: netbsd-9
changeset: 843492:1c49be520166
user: martin <martin%NetBSD.org@localhost>
date: Mon Nov 11 19:49:11 2019 +0000
description:
Pull up following revision(s) (requested by roy in ticket #417):
usr.sbin/rtadvd/rtadvd.c: revision 1.70
usr.sbin/rtadvd/rtadvd.c: revision 1.71
usr.sbin/rtadvd/rtadvd.h: revision 1.20
usr.sbin/rtadvd/config.c: revision 1.42
usr.sbin/rtadvd/config.c: revision 1.43
usr.sbin/rtadvd/rtadvd.8: revision 1.27
rtadvd: Fix reloading configuration killing interface timers
rtadvd: remove support for SIOCSIFINFO_IN6
It's been broken since we enabled dropping privs.
It's also probably the wrong place to do this, and support for
SIOCSIFINFO_IN6 will be in the next dhcpcd import.
rtadvd: Add C flag to control the zeroing of the leaving configuration
This is only intended to assist the testing of clients which consume
Router Advertisement messages, such as dhcpcd(8).
diffstat:
usr.sbin/rtadvd/config.c | 35 ++++++-----------------------------
usr.sbin/rtadvd/rtadvd.8 | 14 ++++++++++----
usr.sbin/rtadvd/rtadvd.c | 33 +++++++++++++++++++--------------
usr.sbin/rtadvd/rtadvd.h | 4 +++-
4 files changed, 38 insertions(+), 48 deletions(-)
diffs (195 lines):
diff -r f580fdceba6c -r 1c49be520166 usr.sbin/rtadvd/config.c
--- a/usr.sbin/rtadvd/config.c Mon Nov 11 17:21:11 2019 +0000
+++ b/usr.sbin/rtadvd/config.c Mon Nov 11 19:49:11 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: config.c,v 1.41 2019/06/14 09:06:45 roy Exp $ */
+/* $NetBSD: config.c,v 1.41.2.1 2019/11/11 19:49:11 martin Exp $ */
/* $KAME: config.c,v 1.93 2005/10/17 14:40:02 suz Exp $ */
/*
@@ -507,34 +507,6 @@
goto errexit;
}
-#ifdef SIOCSIFINFO_IN6
- {
- struct in6_ndireq ndi;
- int s;
-
- if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
- logit(LOG_ERR, "<%s> socket: %m", __func__);
- goto errexit;
- }
- memset(&ndi, 0, sizeof(ndi));
- strncpy(ndi.ifname, intface, IFNAMSIZ);
- if (prog_ioctl(s, SIOCGIFINFO_IN6, &ndi) < 0) {
- logit(LOG_INFO, "<%s> ioctl:SIOCGIFINFO_IN6 at %s: %m",
- __func__, intface);
- }
-
- /* reflect the RA info to the host variables in kernel */
- ndi.ndi.chlim = tmp->hoplimit;
- ndi.ndi.retrans = tmp->retranstimer;
- ndi.ndi.basereachable = tmp->reachabletime;
- if (prog_ioctl(s, SIOCSIFINFO_IN6, &ndi) < 0) {
- logit(LOG_INFO, "<%s> ioctl:SIOCSIFINFO_IN6 at %s: %m",
- __func__, intface);
- }
- prog_close(s);
- }
-#endif
-
/* route information */
for (i = -1; i < MAXROUTE; i++) {
struct rtinfo *rti;
@@ -747,6 +719,11 @@
TAILQ_FOREACH(rai, &ralist, next) {
if (rai->ifindex == tmp->ifindex) {
TAILQ_REMOVE(&ralist, rai, next);
+ if (Cflag) {
+ free_rainfo(rai);
+ rai = NULL;
+ break;
+ }
/* If we already have a leaving RA use that
* as this config hasn't been advertised */
if (rai->leaving) {
diff -r f580fdceba6c -r 1c49be520166 usr.sbin/rtadvd/rtadvd.8
--- a/usr.sbin/rtadvd/rtadvd.8 Mon Nov 11 17:21:11 2019 +0000
+++ b/usr.sbin/rtadvd/rtadvd.8 Mon Nov 11 19:49:11 2019 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: rtadvd.8,v 1.26 2017/11/06 15:15:04 christos Exp $
+.\" $NetBSD: rtadvd.8,v 1.26.6.1 2019/11/11 19:49:11 martin Exp $
.\" $KAME: rtadvd.8,v 1.24 2002/05/31 16:16:08 jinmei Exp $
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -28,7 +28,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd November 6, 2017
+.Dd November 11, 2019
.Dt RTADVD 8
.Os
.Sh NAME
@@ -36,7 +36,7 @@
.Nd router advertisement daemon
.Sh SYNOPSIS
.Nm
-.Op Fl DdfRs
+.Op Fl CDdfRs
.Op Fl c Ar configfile
.Op Fl M Ar ifname
.Op Fl p Ar pidfile
@@ -112,6 +112,10 @@
The command line options are:
.Bl -tag -width indent
.\"
+.It Fl C
+Don't expire the existing configuration on receipt of SIGHUP.
+This option is only intended to aid the testing of clients that consume
+Router Advertisement messages.
.It Fl c Ar configfile
Specify an alternate location,
.Ar configfile ,
@@ -175,7 +179,9 @@
.Pa /etc/rtadvd.conf .
If an invalid parameter is found in the configuration file upon the reload, the
entry will be ignored and the old configuration will be used.
-When parameters in an existing entry are updated,
+When parameters in an existing entry are updated and the
+.Fl C
+flag is not used,
.Nm
will send Router Advertisement messages with the old configuration but zero
router lifetime to the interface first, and then start to send a new message.
diff -r f580fdceba6c -r 1c49be520166 usr.sbin/rtadvd/rtadvd.c
--- a/usr.sbin/rtadvd/rtadvd.c Mon Nov 11 17:21:11 2019 +0000
+++ b/usr.sbin/rtadvd/rtadvd.c Mon Nov 11 19:49:11 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rtadvd.c,v 1.69 2019/03/29 21:51:52 christos Exp $ */
+/* $NetBSD: rtadvd.c,v 1.69.2.1 2019/11/11 19:49:11 martin Exp $ */
/* $KAME: rtadvd.c,v 1.92 2005/10/17 14:40:02 suz Exp $ */
/*
@@ -89,7 +89,7 @@
int sock;
int rtsock = -1;
int accept_rr = 0;
-int dflag = 0, sflag = 0, Dflag;
+int Cflag = 0, dflag = 0, sflag = 0, Dflag;
static char **if_argv;
static int if_argc;
@@ -194,6 +194,9 @@
case 'c':
conffile = optarg;
break;
+ case 'C':
+ Cflag++;
+ break;
case 'd':
dflag++;
break;
@@ -452,6 +455,18 @@
}
static void
+ra_timer_reset(struct rainfo *rai)
+{
+
+ rtadvd_remove_timer(&rai->timer);
+ rai->timer = rtadvd_add_timer(ra_timeout, ra_timer_update, rai, rai);
+ ra_timer_update(rai, &rai->timer->tm);
+ rtadvd_set_timer(&rai->timer->tm, rai->timer);
+ rtadvd_remove_timer(&rai->timer_sol);
+ rai->timer_sol = rtadvd_add_timer(ra_timeout_sol, NULL, rai, NULL);
+}
+
+static void
rtmsg_input(void)
{
int n, type, ifindex = 0, plen;
@@ -698,14 +713,7 @@
rai->initcounter = 0; /* reset the counter */
rai->waiting = 0; /* XXX */
- rtadvd_remove_timer(&rai->timer);
- rai->timer = rtadvd_add_timer(ra_timeout,
- ra_timer_update, rai, rai);
- ra_timer_update(rai, &rai->timer->tm);
- rtadvd_set_timer(&rai->timer->tm, rai->timer);
- rtadvd_remove_timer(&rai->timer_sol);
- rai->timer_sol = rtadvd_add_timer(ra_timeout_sol,
- NULL, rai, NULL);
+ ra_timer_reset(rai);
} else if (prefixchange && rai->ifflags & IFF_UP) {
/*
* An advertised prefix has been added or invalidated.
@@ -1760,10 +1768,7 @@
"%s: expired RA,"
" new config active for interface (%s)",
__func__, rai->ifname);
- rai->leaving_for->timer = rtadvd_add_timer(ra_timeout,
- ra_timer_update,
- rai->leaving_for, rai->leaving_for);
- ra_timer_set_short_delay(rai->leaving_for, rai->timer);
+ ra_timer_reset(rai->leaving_for);
rai->leaving_for->leaving = NULL;
free_rainfo(rai);
return NULL;
diff -r f580fdceba6c -r 1c49be520166 usr.sbin/rtadvd/rtadvd.h
--- a/usr.sbin/rtadvd/rtadvd.h Mon Nov 11 17:21:11 2019 +0000
+++ b/usr.sbin/rtadvd/rtadvd.h Mon Nov 11 19:49:11 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rtadvd.h,v 1.19 2018/04/20 16:37:17 roy Exp $ */
+/* $NetBSD: rtadvd.h,v 1.19.4.1 2019/11/11 19:49:11 martin Exp $ */
/* $KAME: rtadvd.h,v 1.30 2005/10/17 14:40:02 suz Exp $ */
/*
@@ -197,3 +197,5 @@
int prefix_match(struct in6_addr *, int, struct in6_addr *, int);
struct rainfo *if_indextorainfo(unsigned int);
struct prefix *find_prefix(struct rainfo *, struct in6_addr *, int);
+
+extern int Cflag;
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