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Jan Kasprzak wrote:
> Dominick Grift wrote:
> : I think corenet_reserved_port() is what you are looking for.
> :
> Thanks for the hint. It is _almost_ exactly as you wrote,
> except:
>
> : # Declarations
> :
> : type my_port_t;
> : corenet_reserved_port(my_port_t)
> :
> : # Policy
> :
> : corenet_all_recvfrom_unlabeled($1)
> : corenet_all_recvfrom_netlabel($1)
> : corenet_tcp_sendrecv_generic_if($1)
> : corenet_tcp_sendrecv_generic_node($1)
> : corenet_tcp_sendrecv_all_ports($1)
> - corenet_tcp_bind_generic_node($1)
> + corenet_tcp_bind_inadrr_any_node($1)
>
> : allow $1 my_port_t:tcp_socket name_bind;
>
> + allow $1 self:capability net_bind_service;
> + allow $1 self:tcp_socket create_stream_socket_perms;
>
> : #EOF
> :
> : sudo semanage port -a -t my_port_t -p tcp 40
>
> I would however like to have a really-high-level macro (or two)
> to do the above - I guess this is what many users would like to do
> - saying "this context belongs to my port", and "this domain can run
> a TCP server on this port". The similar way how the files_pid_file()
> and files_pid_filetrans() macros allow for the
> "I want to have my own PID file in /var/run" case.
>
> Would it be acceptable to submit this as a patch for inclusion
> in the upstream policy?
>
> I would like to have other things included upstream as well - for
> example, now I have a policy bits for Perl: file contexts for
> /usr/bin/perl* and /usr/lib{,64}/perl5/*, and an interface macro for saying
> "this domain can run Perl scripts".
>
> Thanks,
>
> -Yenya
>
Yenya, take this discussion to the refpolicy list
<refpolicy@xxxxxxxxxxxxxx>
Better to discuss it there. I think having a higher level template for
creating a tcp or udp port would not be a bad idea. See what upstream
thinks.
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