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ntp: allow binding to address that doesn't exist yet

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This commit is contained in:
Miroslav Lichvar
2014-08-04 17:21:15 +02:00
parent f725921dfb
commit 97b15cb3ae
1 changed files with 8 additions and 0 deletions
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8
ntp_io.c
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@@ -190,6 +190,14 @@ prepare_socket(int family, int port_number, int client_only)
}
#endif
#ifdef IP_FREEBIND
/* Allow binding to address that doesn't exist yet */
if (my_addr_len > 0 &&
setsockopt(sock_fd, IPPROTO_IP, IP_FREEBIND, (char *)&on_off, sizeof(on_off)) < 0) {
LOG(LOGS_ERR, LOGF_NtpIO, "Could not set free bind socket option");
}
#endif
if (family == AF_INET) {
#ifdef IP_PKTINFO
/* We want the local IP info on server sockets */