Greg Smith wrote:
On Mon, 17 Mar 2008, KaiGai Kohei wrote:
I'll submit the proposal of SE-PostgreSQL patches again, because some
of previous
messages are filtered due to attachment and I cannot provide whole of
patches yet.
This is actually what you should have done from the beginning. And it
only should have gone to the pgsql-hackers list, which is the only one
I'm replying to. Your patches are at this point a proposal, as you say
in the subject, and those go to the pgsql-hackers list with the minimum
of files necessary to support them. pgsql-patches is generally aimed at
patches that have already been discussed on the hackers list, ones that
are basically ready to apply to the source code.
OK, I can understand the purpose of pgsql-hackers and pgsql-patches list.
At first, I'll have a discussion here.
The libselinux is linked with SE-PostgreSQL, but it is licensed as
public domain software by NSA.
As for the licensing issues here, what everyone is looking for is a
clear statement of the SELinux license from the source of that code.
The official NSA statment at http://www.nsa.gov/selinux/info/license.cfm
says:
"All source code found on this site is released under the same terms and
conditions as the original sources. For example, the patches to the
Linux kernel, patches to many existing utilities, and some of the new
programs available here are released under the terms and conditions of
the GNU General Public License (GPL). Please refer to the source code
for specific license information."
GPL is a perfectly good license, but it's far from clear whether code
derived from it can be incorporated into PostgreSQL even if you wrote
all of it yourself. I just checked libselinux, and as you say it
includes a LICENSE file that states "This library (libselinux) is public
domain software, i.e. not copyrighted.". That's good, but a similar
independant review will need to happen for every component you interact
with here, on top of a technical review. Luckily this is something a
lot of people would like and that should all get taken care of.
SE-PostgreSQL internally uses libselinux, glibc and PostgreSQL internal
APIs like SearchSysCache().
I'm not a lawyer, but I believe they cannot enforce us to apply a specific
lisence. So, I clearly say SE-PostgreSQL feature is licensed with the same
one of PostgreSQL.
No need to say, more conprehensive checks and reviews are welcome.
Thanks,
--
OSS Platform Development Division, NEC
KaiGai Kohei <[EMAIL PROTECTED]>
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