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Multicasts once again: When using SO_BINDTODEVICE, don't specify IP address

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of the interface.
This commit is contained in:
Martin Mares 1999-04-14 12:29:47 +00:00
parent 1b50a1e4be
commit 4c5e5e3a1c
1 changed files with 2 additions and 1 deletions
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3
sysdep/unix/io.c
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@ -422,16 +422,17 @@ sk_open(sock *s)
struct ip_mreq mreq_add;
ASSERT(s->iface);
set_inaddr(&mreq, s->iface->ip);
mreq_add.imr_interface = mreq;
#ifdef SO_BINDTODEVICE
{
struct ifreq ifr;
strcpy(ifr.ifr_name, s->iface->name);
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0)
ERR("SO_BINDTODEVICE");
mreq_add.imr_interface.s_addr = INADDR_ANY;
}
#else
#error Multicasts not supported on PtP devices /* FIXME: Solve it somehow? */
mreq_add.imr_interface = mreq;
#endif
#endif
set_inaddr(&mreq_add.imr_multiaddr, s->daddr);