Attention is currently required from: flichtenheld, its_Giaan.

plaisthos has posted comments on this change. ( 
http://gerrit.openvpn.net/c/openvpn/+/1089?usp=email )

Change subject: multipeer: introduce asymmetric peer-id
......................................................................


Patch Set 2: Code-Review-2

(6 comments)

Patchset:

PS2:
I think there are still some things that need to be fixed. See comments


File src/openvpn/multi.c:

http://gerrit.openvpn.net/c/openvpn/+/1089/comment/7be28da8_ce83b435 :
PS2, Line 1816:         uint32_t peer_id = 
extract_asymmetric_peer_id(peer_info);
I am somehow missing the client side/p2p that does the same and also calls 
extract_asymmetric_peer_id to figure out what peer-id the server wants to use.


File src/openvpn/push.c:

http://gerrit.openvpn.net/c/openvpn/+/1089/comment/ad29de27_05d54fe8 :
PS2, Line 657:                         tls_multi->rx_peer_id);
This will instruct the client to use that peer-id on both send/receive. The 
idea was to *not* push peer-id in this scenario but rather have both sides see 
that if the other peer has ID= in their peerinfo then they both switch to 
assymmetric peer-id


File src/openvpn/ssl.c:

http://gerrit.openvpn.net/c/openvpn/+/1089/comment/231475b7_833b9982 :
PS2, Line 2043:         buf_printf(&out, "ID=%x\n", peer_id);
This need to be guarded by the actual DCO capability. We cannot announce this 
if the DCO module/implementation then cannot actually support assymetric ID 
support.


File src/openvpn/ssl_ncp.c:

http://gerrit.openvpn.net/c/openvpn/+/1089/comment/5800ddd8_05764f00 :
PS2, Line 431:         multi->tx_peer_id =  2033;
Why the hardcoded 2033 here? Shouldn't be also  0x76706e; /* 'v' 'p' 'n' */ ?


http://gerrit.openvpn.net/c/openvpn/+/1089/comment/5a725408_1afd7517 :
PS2, Line 474:                 multi->rx_peer_id = (peerid[0] << 16) + 
(peerid[1] << 8) + peerid[2];
Shouldn't there be code here



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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: I0a13ee90b6706acf20eabcee3bab3f2dff639bf9
Gerrit-Change-Number: 1089
Gerrit-PatchSet: 2
Gerrit-Owner: its_Giaan <gianma...@mandelbit.com>
Gerrit-Reviewer: flichtenheld <fr...@lichtenheld.com>
Gerrit-Reviewer: plaisthos <arne-open...@rfc2549.org>
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Gerrit-Comment-Date: Thu, 17 Jul 2025 09:43:55 +0000
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