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-rw-r--r--sysdep/unix/io.c68
-rw-r--r--sysdep/unix/krt-iface.c7
2 files changed, 13 insertions, 62 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 7e71d20..af630f5 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -17,10 +17,6 @@
#include <unistd.h>
#include <errno.h>
-#ifndef HAVE_STRUCT_IP_MREQN
-#include <net/if.h>
-#endif
-
#include "nest/bird.h"
#include "lib/lists.h"
#include "lib/resource.h"
@@ -30,10 +26,6 @@
#include "lib/string.h"
#include "nest/iface.h"
-#ifdef IPV6
-#include <linux/in6.h> /* FIXMEv6: glibc variant? */
-#endif
-
#include "lib/unix.h"
/*
@@ -383,7 +375,7 @@ sk_new(pool *p)
}
#define ERR(x) do { err = x; goto bad; } while(0)
-#define WARN(x) log(L_WARN "sk_setup: " x)
+#define WARN(x) log(L_WARN "sk_setup: %s: %m", x)
#ifdef IPV6
@@ -444,6 +436,8 @@ get_sockaddr(sockaddr *sa, ip_addr *a, unsigned *port)
#endif
+#include "lib/sysio.h"
+
static char *
sk_setup(sock *s)
{
@@ -530,11 +524,9 @@ sk_open(sock *s)
{
int fd, e;
sockaddr sa;
- int zero = 0;
int one = 1;
int type = s->type;
int has_src = ipa_nonzero(s->saddr) || s->sport;
- int has_dest = ipa_nonzero(s->daddr);
char *err;
switch (type)
@@ -581,9 +573,10 @@ sk_open(sock *s)
#ifdef IPV6
/* Fortunately, IPv6 socket interface is recent enough and therefore standardized */
ASSERT(s->iface && s->iface->addr);
- if (has_dest)
+ if (ipa_nonzero(s->daddr))
{
int t = s->iface->index;
+ int zero = 0;
if (setsockopt(fd, SOL_IPV6, IPV6_MULTICAST_HOPS, &s->ttl, sizeof(s->ttl)) < 0)
ERR("IPV6_MULTICAST_HOPS");
if (setsockopt(fd, SOL_IPV6, IPV6_MULTICAST_LOOP, &zero, sizeof(zero)) < 0)
@@ -601,56 +594,9 @@ sk_open(sock *s)
}
#else
/* With IPv4 there are zillions of different socket interface variants. Ugh. */
-#ifdef HAVE_STRUCT_IP_MREQN
- struct ip_mreqn mreq;
-#define mreq_add mreq
- ASSERT(s->iface && s->iface->addr);
- mreq.imr_ifindex = s->iface->index;
- set_inaddr(&mreq.imr_address, s->iface->addr->ip);
-#else
- struct in_addr mreq;
- struct ip_mreq mreq_add;
ASSERT(s->iface && s->iface->addr);
- set_inaddr(&mreq, s->iface->addr->ip);
-#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");
-#if 0 /* FIXME */
- mreq_add.imr_interface.s_addr = INADDR_ANY;
-#else
- mreq_add.imr_interface = mreq;
-#endif
- }
-#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);
- if (has_dest)
- {
- if (
-#ifdef IP_DEFAULT_MULTICAST_TTL
- s->ttl != IP_DEFAULT_MULTICAST_TTL &&
-#endif
- setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &s->ttl, sizeof(s->ttl)) < 0)
- ERR("IP_MULTICAST_TTL");
- if (
-#ifdef IP_DEFAULT_MULTICAST_LOOP
- IP_DEFAULT_MULTICAST_LOOP &&
-#endif
- setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &zero, sizeof(zero)) < 0)
- ERR("IP_MULTICAST_LOOP");
- /* This defines where should we send _outgoing_ multicasts */
- if (setsockopt(fd, SOL_IP, IP_MULTICAST_IF, &mreq, sizeof(mreq)) < 0)
- ERR("IP_MULTICAST_IF");
- }
- /* And this one sets interface for _receiving_ multicasts from */
- if (has_src && setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq_add, sizeof(mreq_add)) < 0)
- ERR("IP_ADD_MEMBERSHIP");
+ if (err = sysio_mcast_join(s))
+ goto bad;
#endif
break;
}
diff --git a/sysdep/unix/krt-iface.c b/sysdep/unix/krt-iface.c
index a41b5ae..3a50e8b 100644
--- a/sysdep/unix/krt-iface.c
+++ b/sysdep/unix/krt-iface.c
@@ -102,9 +102,14 @@ scan_ifs(struct ifreq *r, int cnt)
}
if (fl & IFF_LOOPBACK)
i.flags |= IF_LOOPBACK | IF_IGNORE;
+ if (1
#ifndef CONFIG_ALL_MULTICAST
- if (fl & IFF_MULTICAST)
+ && (fl & IFF_MULTICAST)
#endif
+#ifndef CONFIG_UNNUM_MULTICAST
+ && !(i.flags & IF_UNNUMBERED)
+#endif
+ )
i.flags |= IF_MULTICAST;
a.prefix = ipa_and(a.ip, ipa_mkmask(a.pxlen));