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-rw-r--r--sysdep/unix/io.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index a5e0522..d954716 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -636,6 +636,12 @@ fill_in_sockaddr(sockaddr *sa, ip_addr a, unsigned port)
set_inaddr(&sa->sin6_addr, a);
}
+static inline void
+fill_in_sockifa(sockaddr *sa, struct iface *ifa)
+{
+ sa->sin6_scope_id = ifa ? ifa->index : 0;
+}
+
void
get_sockaddr(struct sockaddr_in6 *sa, ip_addr *a, unsigned *port, int check)
{
@@ -661,6 +667,11 @@ fill_in_sockaddr(sockaddr *sa, ip_addr a, unsigned port)
set_inaddr(&sa->sin_addr, a);
}
+static inline void
+fill_in_sockifa(sockaddr *sa, struct iface *ifa)
+{
+}
+
void
get_sockaddr(struct sockaddr_in *sa, ip_addr *a, unsigned *port, int check)
{
@@ -874,10 +885,8 @@ sk_open(sock *s)
{
case SK_UDP:
case SK_IP:
+#ifndef IPV6
if (s->iface) /* It's a broadcast socket */
-#ifdef IPV6
- bug("IPv6 has no broadcasts");
-#else
if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one)) < 0)
ERR("SO_BROADCAST");
#endif
@@ -911,7 +920,7 @@ sk_open(sock *s)
if (setsockopt(fd, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0)
ERR("IPV6_ADD_MEMBERSHIP");
}
-#else
+#else /* IPv4 */
/* With IPv4 there are zillions of different socket interface variants. Ugh. */
ASSERT(s->iface && s->iface->addr);
if (err = sysio_mcast_join(s))
@@ -933,6 +942,7 @@ sk_open(sock *s)
ERR("SO_REUSEADDR");
}
fill_in_sockaddr(&sa, s->saddr, port);
+ fill_in_sockifa(&sa, s->iface);
#ifdef CONFIG_SKIP_MC_BIND
if ((type != SK_UDP_MC) && (type != SK_IP_MC) &&
bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0)
@@ -1067,8 +1077,9 @@ sk_maybe_write(sock *s)
if (s->tbuf == s->tpos)
return 1;
- fill_in_sockaddr(&sa, s->faddr, s->fport);
+ fill_in_sockaddr(&sa, s->faddr, s->fport);
+ fill_in_sockifa(&sa, s->iface);
e = sendto(s->fd, s->tbuf, s->tpos - s->tbuf, 0, (struct sockaddr *) &sa, sizeof(sa));
if (e < 0)
{