Attention is currently required from: flichtenheld, plaisthos.

stipa has posted comments on this change by stipa. ( 
http://gerrit.openvpn.net/c/openvpn/+/1741?usp=email )

Change subject: oob: Add control message TLV encoding (P_CONTROL_OOB_V1)
......................................................................


Patch Set 4:

(5 comments)

File src/openvpn/oob.h:

http://gerrit.openvpn.net/c/openvpn/+/1741/comment/615dc762_016d178a?usp=email :
PS3, Line 35:  * This slice implements the SERVER_PROBE / PROBE_REPLY pair used 
for server
> Not sure of the purpose of this sentence?
This is about series of patches. I agree it might add confusion so I'll remote 
it.


http://gerrit.openvpn.net/c/openvpn/+/1741/comment/298aabee_731ed6bc?usp=email :
PS3, Line 62: #define OOB_PROBE_PARAMETER_LEN 12
> why do we hardcode those instead of defining them via sizeof() ?
Those are on-wire lengths, so sizeof(struct) could be wrong due to padding. But 
let me derive from wire field types instead.


File src/openvpn/oob.c:

http://gerrit.openvpn.net/c/openvpn/+/1741/comment/c951b8b7_d2f6c9a8?usp=email :
PS3, Line 31: /* Consume @p value_len bytes of TLV value, of which @p consumed 
have already
> Doxygen syntax but not marked as Doxygen comment
Will change to real doxygen.


http://gerrit.openvpn.net/c/openvpn/+/1741/comment/01cc794e_e144d4ad?usp=email :
PS3, Line 105:     if (!ok)
> Is that safe? If the buffer has enough to read for u32 but not for u64 could 
> we end up with ok being […]
No, this is a bug. Will fix.


File tests/unit_tests/openvpn/test_oob.c:

http://gerrit.openvpn.net/c/openvpn/+/1741/comment/5475378e_0edbd3c9?usp=email :
PS3, Line 153: /* Reading a header from a buffer that is too small must fail 
rather than read
> This comment does not seem to correspond to the test. The buffer is big 
> enough. […]
Will rephrase, thanks!



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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: I1c8d302ac57c5603d622a7be14be369437388268
Gerrit-Change-Number: 1741
Gerrit-PatchSet: 4
Gerrit-Owner: stipa <[email protected]>
Gerrit-Reviewer: flichtenheld <[email protected]>
Gerrit-Reviewer: plaisthos <[email protected]>
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Gerrit-Attention: flichtenheld <[email protected]>
Gerrit-Comment-Date: Thu, 09 Jul 2026 13:49:00 +0000
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