35 lines
864 B
C
35 lines
864 B
C
|
/* vi: set sw=4 ts=4: */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2011 Denys Vlasenko.
|
||
|
|
*
|
||
|
|
* Licensed under GPLv2, see file LICENSE in this source tree.
|
||
|
|
*/
|
||
|
|
#include "common.h"
|
||
|
|
#include "d6_common.h"
|
||
|
|
#include <net/if.h>
|
||
|
|
|
||
|
|
int FAST_FUNC d6_listen_socket(int port, const char *inf)
|
||
|
|
{
|
||
|
|
int fd;
|
||
|
|
struct sockaddr_in6 addr;
|
||
|
|
|
||
|
|
log1("Opening listen socket on *:%d %s", port, inf);
|
||
|
|
fd = xsocket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
|
||
|
|
|
||
|
|
setsockopt_reuseaddr(fd);
|
||
|
|
if (setsockopt_broadcast(fd) == -1)
|
||
|
|
bb_perror_msg_and_die("SO_BROADCAST");
|
||
|
|
|
||
|
|
/* NB: bug 1032 says this doesn't work on ethernet aliases (ethN:M) */
|
||
|
|
if (setsockopt_bindtodevice(fd, inf))
|
||
|
|
xfunc_die(); /* warning is already printed */
|
||
|
|
|
||
|
|
memset(&addr, 0, sizeof(addr));
|
||
|
|
addr.sin6_family = AF_INET6;
|
||
|
|
addr.sin6_port = htons(port);
|
||
|
|
/* addr.sin6_addr is all-zeros */
|
||
|
|
xbind(fd, (struct sockaddr *)&addr, sizeof(addr));
|
||
|
|
|
||
|
|
return fd;
|
||
|
|
}
|