Re: [PATCH net-next] [RFC] netns: enable cross-ve Unix sockets

[Cedric Le Goater <clg@fr.ibm.com>]

Pavel Emelyanov wrote:
> Daniel Lezcano wrote:
>> Pavel Emelyanov wrote:
>>>> So there are 2 cases:
>>>>   * full isolation : restriction on VPS
>>>>   * partial isolation : no restriction but *perhaps* problem when migrating
>>>>
>>>> Looks like we need an option per namespace to reduce the isolation for 
>>>> af_unix sockets :)
>>>>   - on (default): current behaviour => full isolation
>>>>   - off : partial isolation
>>> You mean some sysctl, that enables/disables this check in unix_find_socket_byinode?
>> Yes.
> 
> OK. Den, please, do :)

hmm, would that allow sibling namespaces to connect to each other ? If so, 
I'm not in favor of such a solution. 

I understand the need. we had a similar issue with the command line tool 
pgsl. Could we work something out with the capabilities ? or make an 
exception if your ->nsproxy->net_ns == init_net ? 

Thanks,

C.