While checking a packet on a TAP interface, is_ipv_X() in proto.c
insist that the ethertype must be OPENVPN_ETH_P_IPV4, even if
the protocol is IPv6. So the protocol never match, and, thus,
mssfix doesn't work for IPv6 on TAP interface. Fix that.
Signed-off-by: Dmitrij Tejblum <d...@yandex.ru>
---
src/openvpn/proto.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/openvpn/proto.c b/src/openvpn/proto.c
index b437f1a..7b58e6a 100644
--- a/src/openvpn/proto.c
+++ b/src/openvpn/proto.c
@@ -60,7 +60,7 @@ is_ipv_X ( int tunnel_type, struct buffer *buf, int ip_ver )
+ sizeof (struct openvpn_iphdr)))
return false;
eh = (const struct openvpn_ethhdr *) BPTR (buf);
- if (ntohs (eh->proto) != OPENVPN_ETH_P_IPV4)
+ if (ntohs (eh->proto) != (ip_ver == 6 ? OPENVPN_ETH_P_IPV6 :
OPENVPN_ETH_P_IPV4))
return false;
offset = sizeof (struct openvpn_ethhdr);
}
--
1.8.3.4 (Apple Git-47)
