Messages in this thread | | | Date | Wed, 20 Oct 2021 09:57:07 +0000 | From | Sargun Dhillon <> | Subject | Retrieving the network namespace of a socket |
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I'm working on a problem where I need to determine which network namespace a given socket is in. I can currently bruteforce this by using INET_DIAG, and enumerating namespaces and working backwards.
I was wondering if anyone had any suggestions on where to add this capability, or suggestions how on how it might look? It appears like using network namespace IDs is the thing to do -- I'm unsure of whether this API fits better into ioctl_ns, getsockopt, netlink, or even somewhere in proc. I'm curious what people think. I think that the "easiest" way would be to drop it into fdinfo in proc.
Alternatively, I may have overlooked an existing API.
-Thanks, Sargun
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