Differential D46689

LibAlias: implement RFC 4787 REQ 1 and 3 (full cone NAT)
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Authored by damjan.jov_gmail.com on Tue, Sep 17, 6:44 PM.

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Summary

Make libalias's NAT use endpoint-independent mapping ("full cone NAT") for UDP, conforming to RFC 4787 requirements 1 and 3. All UDP packets sent out from a particular internal address:port leave via the same NAT address:port, regardless of their destination.

Also add some libalias tests, and fix other tests that broke.

Closes: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219918

Test Plan

Tests are included in the patch.

Diff Detail

Repository

rG FreeBSD src repository

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Event Timeline

damjan.jov_gmail.com created this revision.Tue, Sep 17, 6:44 PM

damjan.jov_gmail.com created this object with edit policy "Subscribers".

Herald added subscribers: glebius, donner, melifaro and 2 others. · View Herald TranscriptTue, Sep 17, 6:44 PM

damjan.jov_gmail.com requested review of this revision.Tue, Sep 17, 6:44 PM

Revision Contents
Changeset List

Path

Size

sys/

netinet/

libalias/

16 lines

47 lines

5 lines

tests/

sys/

netinet/

libalias/

59 lines

2 lines

1 line

Diff 143404

sys/netinet/libalias/alias_db.h

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sys/netinet/libalias/alias_db.c

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sys/netinet/libalias/alias_local.h

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tests/sys/netinet/libalias/2_natout.c

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tests/sys/netinet/libalias/util.h

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tests/sys/netinet/libalias/util.c

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