1 /* vi: set sw=4 ts=4: */
3 * Copyright (C) 2011 Denys Vlasenko.
5 * Licensed under GPLv2, see file LICENSE in this source tree.
11 int FAST_FUNC d6_listen_socket(int port, const char *inf)
14 struct sockaddr_in6 addr;
16 log1("opening listen socket on *:%d %s", port, inf);
17 fd = xsocket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
19 setsockopt_reuseaddr(fd);
20 if (setsockopt_broadcast(fd) == -1)
21 bb_perror_msg_and_die("SO_BROADCAST");
23 /* NB: bug 1032 says this doesn't work on ethernet aliases (ethN:M) */
24 if (setsockopt_bindtodevice(fd, inf))
25 xfunc_die(); /* warning is already printed */
27 memset(&addr, 0, sizeof(addr));
28 addr.sin6_family = AF_INET6;
29 addr.sin6_port = htons(port);
30 /* addr.sin6_addr is all-zeros */
31 xbind(fd, (struct sockaddr *)&addr, sizeof(addr));