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author | JuanJo Ciarlante <jjo@google.com> | 2009-09-25 23:20:41 +0200 |
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committer | JuanJo Ciarlante <juanjosec@gmail.com> | 2011-03-25 13:30:29 +0100 |
commit | d7627b1a5197a8634e011bb100849c45a612602d (patch) | |
tree | 70afcaf1edc9c6cad0ae7cf345209a034f700157 /README.ipv6 | |
parent | 6d1b80bdeb5e0df3dee6a8bc05d7e3f622371c1c (diff) | |
download | openvpn-d7627b1a5197a8634e011bb100849c45a612602d.tar.gz openvpn-d7627b1a5197a8634e011bb100849c45a612602d.tar.xz openvpn-d7627b1a5197a8634e011bb100849c45a612602d.zip |
* renamed README.ipv6{.txt,}
Diffstat (limited to 'README.ipv6')
-rw-r--r-- | README.ipv6 | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/README.ipv6 b/README.ipv6 new file mode 100644 index 0000000..f9b6171 --- /dev/null +++ b/README.ipv6 @@ -0,0 +1,70 @@ +[ Last updated: 17-Sep-2009. ] +This README covers UDP/IPv6 v0.4.x ( --udp6 and --tcp6-xxxxxx ) support +for openvpn-2.1. + +Available under GPLv2 from + http://github.com/jjo/openvpn-ipv6 + +* Working: + OK: + - upd6,tcp6: GNU/Linux, win32 + - udp4->upd6,tcp4->tcp6 (ipv4/6 mapped): GNU/Linux + (gives a warning on local!=remote proto matching) + NOT: + - tcp4->tcp6 (ipv4/6 mapped): win32 + fails w/connection refused + + + +* Setup: + ./configure --enable-ipv6 (by default) + +* Usage: + For IPv6 just specify "-p upd6" an proper IPv6 hostnames, adapting the example + from man page ... + + On may: + openvpn --proto udp6 --remote <june_IPv6_addr> --dev tun1 \ + --ifconfig 10.4.0.1 10.4.0.2 --verb 5 --secret key + + On june: + openvpn --proto udp6 --remote <may_IPv6_addr> --dev tun1 \ + --ifconfig 10.4.0.2 10.4.0.1 --verb 5 --secret key + + Same for --proto tcp6-client, tcp6-server. + +* Main code changes summary: + - socket.h: New struct openvpn_sockaddr type that holds sockaddrs and pktinfo, + (here I omitted #ifdef USE_PF_xxxx, see socket.h ) + + struct openvpn_sockaddr { + union { + struct sockaddr sa; + struct sockaddr_in in; + struct sockaddr_in6 in6; + } addr; + }; + + struct link_socket_addr + { + struct openvpn_sockaddr local; + struct openvpn_sockaddr remote; + struct openvpn_sockaddr actual; + }; + + PRO: allows simple type overloading: local.addr.sa, local.addr.in, local.addr.in6 ... etc + (also local.pi.in and local.pi.in6) + + - several function prototypes moved from sockaddr_in to openvpn_sockaddr + - several new sockaddr functions needed to "generalize" AF_xxxx operations: + addr_copy(), addr_zero(), ...etc + proto_is_udp(), proto_is_dgram(), proto_is_net() + +* TODO: See TODO.ipv6 + +-- +JuanJo Ciarlante jjo () google () com +: : +. Linux IP Aliasing author . +. Modular algo (AES et all) support for FreeSWAN/OpenSWAN author . +:... plus other scattered free software bits in the wild ...: |