Re: Wiring up direct socket calls on x86_32 Linux?

From: Tulio Magno Quites Machado Filho
Date: Wed Jul 01 2015 - 12:19:31 EST


Andy Lutomirski <luto@xxxxxxxxxxxxxx> writes:

> Hi all-
>
> sys_socketcall sucks. If nothing else, it's impossible to filter with
> seccomp. Should we wire up the real socket calls so that user code
> can (very slowly) start migrating?
>
> I think the list is:
> - socket
> - bind
> - connect
> - listen
> - accept4
> - getsockname
> - getpeername
> - socketpair
> - send
> - sendto
> - sendmsg
> - recv
> - recvfrom
> - recvmsg
> - shutdown
> - setsockopt

I guess you might want to follow the patch Raji sent today [1].

Her patch doesn't have all the syscalls you mentioned here, but has others too.
She will work to get a generic implementation for these functions.

[1] http://patchwork.sourceware.org/patch/7438/

--
Tulio Magno

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