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/*
* Copyright (c) 2014 RIPE NCC <atlas@ripe.net>
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
int bind_interface(int socket, int af, char *name)
{
struct sockaddr_storage sa;
memset(&sa, '\0', sizeof(sa));
if (af == AF_INET)
{
sa.ss_family= AF_INET;
if (inet_pton(af, name,
&((struct sockaddr_in *)&sa)->sin_addr) == 1)
{
return bind(socket, (struct sockaddr *)&sa,
sizeof(sa));
}
}
else
{
sa.ss_family= AF_INET6;
if (inet_pton(af, name,
&((struct sockaddr_in6 *)&sa)->sin6_addr) == 1)
{
return bind(socket, (struct sockaddr *)&sa,
sizeof(sa));
}
}
if (setsockopt(socket, SOL_SOCKET, SO_BINDTODEVICE, name,
strlen(name)+1) == -1)
{
return -1;
}
return 0;
}
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