diff options
Diffstat (limited to 'sysdep')
| -rw-r--r-- | sysdep/bsd/sysio.h | 8 | ||||
| -rw-r--r-- | sysdep/linux/sysio.h | 15 | ||||
| -rw-r--r-- | sysdep/unix/io.c | 3 |
3 files changed, 24 insertions, 2 deletions
diff --git a/sysdep/bsd/sysio.h b/sysdep/bsd/sysio.h index 87c78fb..ff821a7 100644 --- a/sysdep/bsd/sysio.h +++ b/sysdep/bsd/sysio.h @@ -22,6 +22,14 @@ get_inaddr(ip_addr *a, struct in6_addr *ia) ipa_ntoh(*a); } +static inline char * +sysio_bind_to_iface(sock *s) +{ + /* Unfortunately not available */ + return NULL; +} + + #else #include <net/if.h> diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h index 1cfbcc4..795d0b3 100644 --- a/sysdep/linux/sysio.h +++ b/sysdep/linux/sysio.h @@ -6,6 +6,8 @@ * Can be freely distributed and used under the terms of the GNU GPL. */ +#include <net/if.h> + #ifdef IPV6 #ifndef IPV6_UNICAST_HOPS @@ -28,9 +30,18 @@ get_inaddr(ip_addr *a, struct in6_addr *ia) ipa_ntoh(*a); } -#else +static inline char * +sysio_bind_to_iface(sock *s) +{ + struct ifreq ifr; + strcpy(ifr.ifr_name, s->iface->name); + if (setsockopt(s->fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0) + return "SO_BINDTODEVICE"; -#include <net/if.h> + return NULL; +} + +#else static inline void set_inaddr(struct in_addr *ia, ip_addr a) diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c index abfa5c2..a0dbb41 100644 --- a/sysdep/unix/io.c +++ b/sysdep/unix/io.c @@ -876,6 +876,9 @@ sk_setup_multicast(sock *s) if (setsockopt(s->fd, SOL_IPV6, IPV6_MULTICAST_IF, &index, sizeof(index)) < 0) ERR("IPV6_MULTICAST_IF"); + if (err = sysio_bind_to_iface(s)) + goto bad; + return 0; bad: |