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socket: add support for selecting interface again

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Revert commit e49aececce ("socket: don't set interface for sent
packets") to allow the interface to be selected for outgoing packets,
but don't set it in the callers yet.
This commit is contained in:
Miroslav Lichvar
2020-06-30 15:26:55 +02:00
parent c4a2550518
commit 99e3c67a81
3 changed files with 10 additions and 1 deletions
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4
ntp_io.c
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@@ -452,9 +452,11 @@ NIO_SendPacket(NTP_Packet *packet, NTP_Remote_Address *remote_addr,
message.remote_addr.ip.port = remote_addr->port;
}
message.if_index = local_addr->if_index;
message.local_addr.ip = local_addr->ip_addr;
/* Don't require the response to use the same interface */
message.if_index = INVALID_IF_INDEX;
#if !defined(HAVE_IN_PKTINFO) && defined(IP_SENDSRCADDR)
/* On FreeBSD a local IPv4 address cannot be specified on bound socket */
if (message.local_addr.ip.family == IPADDR_INET4 &&