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| author | Alexander V. Chernikov <melifaro@FreeBSD.org> | 2023-02-21 12:25:58 +0000 |
|---|---|---|
| committer | Alexander V. Chernikov <melifaro@FreeBSD.org> | 2023-02-21 12:27:26 +0000 |
| commit | b9b2184322da85e1f4d52e3b0a6322dd214210ec (patch) | |
| tree | 40bc9e7e5ee22e402045050bae5bc6adbecb3aeb | |
| parent | 00812bbda25a7a97008650dfbc20da43a9485f88 (diff) | |
| download | src-b9b2184322da85e1f4d52e3b0a6322dd214210ec.tar.gz src-b9b2184322da85e1f4d52e3b0a6322dd214210ec.zip | |
netlink: clear IPv6 embedded scope when dumping route gateways.
Reported by: zarychtam@plan-b.pwste.edu.pl
MFC after: 3 days
| -rw-r--r-- | sys/netlink/route/rt.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/netlink/route/rt.c b/sys/netlink/route/rt.c index 534186447b4d..dabdaea3e03b 100644 --- a/sys/netlink/route/rt.c +++ b/sys/netlink/route/rt.c @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <net/route/nhop.h> #include <net/route/route_ctl.h> #include <net/route/route_var.h> +#include <netinet6/scope6_var.h> #include <netlink/netlink.h> #include <netlink/netlink_ctl.h> #include <netlink/netlink_route.h> @@ -123,7 +124,9 @@ rc_get_nhop(const struct rib_cmd_info *rc) static void dump_rc_nhop_gw(struct nl_writer *nw, const struct nhop_object *nh) { +#ifdef INET6 int upper_family; +#endif switch (nhop_get_neigh_family(nh)) { case AF_LINK: @@ -132,19 +135,27 @@ dump_rc_nhop_gw(struct nl_writer *nw, const struct nhop_object *nh) case AF_INET: nlattr_add(nw, NL_RTA_GATEWAY, 4, &nh->gw4_sa.sin_addr); break; +#ifdef INET6 case AF_INET6: upper_family = nhop_get_upper_family(nh); if (upper_family == AF_INET6) { - nlattr_add(nw, NL_RTA_GATEWAY, 16, &nh->gw6_sa.sin6_addr); + struct in6_addr gw6 = nh->gw6_sa.sin6_addr; + in6_clearscope(&gw6); + + nlattr_add(nw, NL_RTA_GATEWAY, 16, &gw6); } else if (upper_family == AF_INET) { /* IPv4 over IPv6 */ + struct in6_addr gw6 = nh->gw6_sa.sin6_addr; + in6_clearscope(&gw6); + char buf[20]; struct rtvia *via = (struct rtvia *)&buf[0]; via->rtvia_family = AF_INET6; - memcpy(via->rtvia_addr, &nh->gw6_sa.sin6_addr, 16); + memcpy(via->rtvia_addr, &gw6, 16); nlattr_add(nw, NL_RTA_VIA, 17, via); } break; +#endif } } |