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tcp, udp: Restore usage of gateway for guest to connect to local host

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This went lost in a recent rework: if the guest wants to connect
directly to the host, it can use the address of the default gateway.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio
2021-08-28 03:19:25 +02:00
parent f29c48db6b
commit 647a413794
2 changed files with 11 additions and 6 deletions
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5
tcp.c
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@@ -1387,6 +1387,11 @@ static void tcp_conn_from_tap(struct ctx *c, int af, void *addr,
if (s < 0)
return;
if (af == AF_INET && addr4.sin_addr.s_addr == c->gw4)
addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
else if (af == AF_INET6 && !memcmp(addr, &c->gw6, sizeof(c->gw6)))
addr6.sin6_addr = in6addr_loopback;
if (af == AF_INET6 && IN6_IS_ADDR_LINKLOCAL(&addr6.sin6_addr)) {
struct sockaddr_in6 addr6_ll = {
.sin6_family = AF_INET6,