system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-06 17:18:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

- Fix LOR in sa6_recoverscope() in rt_msg2()[1].

Browse source 
- Check V_deembed_scopeid before checking if sa_family == AF_INET6.
- Fix scope id handing in route(8)[2] and ifconfig(8).

Reported by:	rpaulo[1], Mateusz Guzik[1], peter[2]
This commit is contained in:
Hiroki Sato 2012-12-04 17:12:23 +00:00
parent 273e3bbfe6
commit 5c9fa630f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=243866
3 changed files with 45 additions and 41 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
sbin/ifconfig/af_inet6.c
View file

@ -251,8 +251,9 @@ in6_status(int s __unused, const struct ifaddrs *ifa)
if ((flags6 & IN6_IFF_TEMPORARY) != 0)
printf("temporary ");
if (sin->sin6_scope_id)
printf("scopeid 0x%x ", sin->sin6_scope_id);
if (((struct sockaddr_in6 *)(ifa->ifa_addr))->sin6_scope_id)
printf("scopeid 0x%x ",
((struct sockaddr_in6 *)(ifa->ifa_addr))->sin6_scope_id);
if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
printf("pltime ");

10
sbin/route/route.c
View file

@ -1208,6 +1208,16 @@ getaddr(int which, char *str, struct hostent **hpp)
exit(1);
}
memcpy(&su->sin6, res->ai_addr, sizeof(su->sin6));
#ifdef __KAME__
if ((IN6_IS_ADDR_LINKLOCAL(&su->sin6.sin6_addr) ||
IN6_IS_ADDR_MC_LINKLOCAL(&su->sin6.sin6_addr) ||
IN6_IS_ADDR_MC_NODELOCAL(&su->sin6.sin6_addr)) &&
su->sin6.sin6_scope_id) {
*(u_int16_t *)&su->sin6.sin6_addr.s6_addr[2] =
htons(su->sin6.sin6_scope_id);
su->sin6.sin6_scope_id = 0;
}
#endif
freeaddrinfo(res);
if (q != NULL)
*q++ = '/';

71
sys/net/rtsock.c
View file

@ -804,28 +804,31 @@ route_output(struct mbuf *m, struct socket *so)
}
info.rti_info[RTAX_DST] = rt_key(rt);
#ifdef INET6
switch (rt_key(rt)->sa_family) {
case AF_INET6:
if (V_deembed_scopeid == 0)
if (V_deembed_scopeid) {
switch (rt_key(rt)->sa_family) {
case AF_INET6:
sin6 = (struct sockaddr_in6 *)&ss_dst;
bcopy(rt_key(rt), sin6, sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
info.rti_info[RTAX_DST] =
(struct sockaddr *)sin6;
break;
sin6 = (struct sockaddr_in6 *)&ss_dst;
bcopy(rt_key(rt), sin6, sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
info.rti_info[RTAX_DST] =
(struct sockaddr *)sin6;
break;
}
}
#endif
info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
#ifdef INET6
switch (rt->rt_gateway->sa_family) {
case AF_INET6:
sin6 = (struct sockaddr_in6 *)&ss_gw;
bcopy(rt->rt_gateway, sin6, sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
info.rti_info[RTAX_GATEWAY] =
(struct sockaddr *)sin6;
break;
if (V_deembed_scopeid) {
switch (rt->rt_gateway->sa_family) {
case AF_INET6:
sin6 = (struct sockaddr_in6 *)&ss_gw;
bcopy(rt->rt_gateway, sin6,
sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
info.rti_info[RTAX_GATEWAY] =
(struct sockaddr *)sin6;
break;
}
}
#endif
info.rti_info[RTAX_NETMASK] = rt_mask(rt);
@ -1130,15 +1133,11 @@ rt_msg1(int type, struct rt_addrinfo *rtinfo)
rtinfo->rti_addrs |= (1 << i);
dlen = SA_SIZE(sa);
#ifdef INET6
switch (sa->sa_family) {
case AF_INET6:
if (V_deembed_scopeid == 0)
break;
if (V_deembed_scopeid && sa->sa_family == AF_INET6) {
sin6 = (struct sockaddr_in6 *)&ss;
bcopy(sa, sin6, sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
sa = (struct sockaddr *)sin6;
break;
}
#endif
m_copyback(m, len, dlen, (caddr_t)sa);
@ -1219,15 +1218,11 @@ rt_msg2(int type, struct rt_addrinfo *rtinfo, caddr_t cp, struct walkarg *w)
rtinfo->rti_addrs |= (1 << i);
dlen = SA_SIZE(sa);
#ifdef INET6
switch (sa->sa_family) {
case AF_INET6:
if (V_deembed_scopeid == 0)
break;
if (V_deembed_scopeid && sa->sa_family == AF_INET6) {
sin6 = (struct sockaddr_in6 *)&ss;
bcopy(sa, sin6, sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
sa = (struct sockaddr *)sin6;
break;
}
#endif
if (cp) {
@ -1594,18 +1589,16 @@ sysctl_dumpentry(struct radix_node *rn, void *vw)
info.rti_info[RTAX_BRD] = rt->rt_ifa->ifa_dstaddr;
}
#ifdef INET6
for (i = 0; i < RTAX_MAX; i++) {
if (info.rti_info[i] == NULL)
continue;
switch (info.rti_info[i]->sa_family) {
case AF_INET6:
if (V_deembed_scopeid == 0)
break;
if (V_deembed_scopeid) {
for (i = 0; i < RTAX_MAX; i++) {
if (info.rti_info[i] == NULL)
continue;
if (info.rti_info[i]->sa_family != AF_INET6)
continue;
sin6 = (struct sockaddr_in6 *)&ss[i];
bcopy(info.rti_info[i], sin6, sizeof(*sin6));
if (sa6_recoverscope(sin6) == 0)
info.rti_info[i] = (struct sockaddr *)sin6;
break;
}
}
#endif
@ -1811,7 +1804,7 @@ sysctl_iflist(int af, struct walkarg *w)
int len, error = 0;
bzero((caddr_t)&info, sizeof(info));
IFNET_RLOCK();
IFNET_RLOCK_NOSLEEP();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
if (w->w_arg && w->w_arg != ifp->if_index)
continue;
@ -1856,7 +1849,7 @@ sysctl_iflist(int af, struct walkarg *w)
done:
if (ifp != NULL)
IF_ADDR_RUNLOCK(ifp);
IFNET_RUNLOCK();
IFNET_RUNLOCK_NOSLEEP();
return (error);
}
@ -1870,7 +1863,7 @@ sysctl_ifmalist(int af, struct walkarg *w)
struct ifaddr *ifa;
bzero((caddr_t)&info, sizeof(info));
IFNET_RLOCK();
IFNET_RLOCK_NOSLEEP();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
if (w->w_arg && w->w_arg != ifp->if_index)
continue;
@ -1905,7 +1898,7 @@ sysctl_ifmalist(int af, struct walkarg *w)
IF_ADDR_RUNLOCK(ifp);
}
done:
IFNET_RUNLOCK();
IFNET_RUNLOCK_NOSLEEP();
return (error);
}