diff options
| -rw-r--r-- | src/openvpn/socket.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/openvpn/socket.c b/src/openvpn/socket.c index 21a4b2b..8eb112b 100644 --- a/src/openvpn/socket.c +++ b/src/openvpn/socket.c @@ -2560,6 +2560,10 @@ addr_family_name (int af) * * This is used for options compatibility * checking. + * + * IPv6 and IPv4 protocols are comptabile but OpenVPN + * has always sent UDPv4, TCPv4 over the wire. Keep these + * strings for backward compatbility */ int proto_remote (int proto, bool remote) @@ -2569,10 +2573,20 @@ proto_remote (int proto, bool remote) { switch (proto) { - case PROTO_TCPv4_SERVER: return PROTO_TCPv4_CLIENT; - case PROTO_TCPv4_CLIENT: return PROTO_TCPv4_SERVER; - case PROTO_TCPv6_SERVER: return PROTO_TCPv6_CLIENT; - case PROTO_TCPv6_CLIENT: return PROTO_TCPv6_SERVER; + case PROTO_TCPv4_SERVER: return PROTO_TCPv4_CLIENT; + case PROTO_TCPv4_CLIENT: return PROTO_TCPv4_SERVER; + case PROTO_TCPv6_SERVER: return PROTO_TCPv4_CLIENT; + case PROTO_TCPv6_CLIENT: return PROTO_TCPv4_SERVER; + case PROTO_UDPv6: return PROTO_UDPv4; + } + } + else + { + switch (proto) + { + case PROTO_TCPv6_SERVER: return PROTO_TCPv4_SERVER; + case PROTO_TCPv6_CLIENT: return PROTO_TCPv4_CLIENT; + case PROTO_UDPv6: return PROTO_UDPv4; } } return proto; |