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authorDavid Gibson <david@gibson.dropbear.id.au>2023-11-15 16:25:34 +1100
committerStefano Brivio <sbrivio@redhat.com>2023-11-19 09:08:39 +0100
commit457ff122e33cf6a6e559b073f41c530e42d9c597 (patch)
treed15cc8c40cb50cba4c1d2d7e756c95bc40b41a7a /tap.c
parent4ccdeecb744d48e0c70386d561d34ced860bfacd (diff)
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udp,pasta: Periodically scan for ports to automatically forward
pasta supports automatic port forwarding, where we look for listening sockets in /proc/net (in both namespace and outside) and establish port forwarding to match. For TCP we do this scan both at initial startup, then periodically thereafter. For UDP however, we currently only scan at start. So unlike TCP we won't update forwarding to handle services that start after pasta has begun. There's no particular reason for that, other than that we didn't implement it. So, remove that difference, by scanning for new UDP forwards periodically too. The logic is basically identical to that for TCP, but it needs some changes to handle the mildly different data structures in the UDP case. Link: https://bugs.passt.top/show_bug.cgi?id=45 Link: https://github.com/rootless-containers/rootlesskit/issues/383 Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'tap.c')
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