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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
socket.c
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@@ -1049,6 +1049,8 @@ send_message(int sock_fd, SCK_Message *message, int flags)
return 0;
ipi->ipi_spec_dst.s_addr = htonl(message->local_addr.ip.addr.in4);
if (message->if_index != INVALID_IF_INDEX)
ipi->ipi_ifindex = message->if_index;
#elif defined(IP_SENDSRCADDR)
struct in_addr *addr;
@@ -1073,6 +1075,8 @@ send_message(int sock_fd, SCK_Message *message, int flags)
memcpy(&ipi->ipi6_addr.s6_addr, &message->local_addr.ip.addr.in6,
sizeof(ipi->ipi6_addr.s6_addr));
if (message->if_index != INVALID_IF_INDEX)
ipi->ipi6_ifindex = message->if_index;
}
#endif
}