[Swan] About libreswan library and man page

[Linzhang Liang]

Thank you for your email. And is there any way that I can help with developing raw json API functionalities?

And also, where can I find the man page for libreswan ipsec command?

Best Regards
Scott Liang

Student Information: 101222658 Jiahe Liang
________________________________
From: Paul Wouters <paul at nohats.ca>
Sent: September 22, 2023 11:11 AM
To: Linzhang Liang <SCOTTLIANG3 at cmail.carleton.ca>
Cc: swan at lists.libreswan.org <swan at lists.libreswan.org>
Subject: Re: [Swan] About libreswan library and man page

[External Email]

On Fri, 22 Sep 2023, Linzhang Liang wrote:

> I am interested in accessing the programming interfaces of libreswan, which in my opinion is to use the
> lib-libreswan. I can find the actual libraries and the header files under "/lib" and "/include" of the source code
> base, respectively, but I can't seem to find the corresponding documentation for the use of the library. Is there a
> documentation site just for the library of libreswan?
>
> I installed libreswan on my Ubuntu 22.04 VM but I cannot find the man page of "ipsec". Is there a way that I can
> install the man page onto my VM?

Unfortunately, we don't have a library and API that is stable for that.
You can use various commands to get status:
ipsec status
ipsec trafficstatus
ipsec shuntstatus
ipsec globalstatus

We had wanted to build a varlink API to avoid needing to do a dbus API,
as dbus libraries are horrible, but it seems varlink never gained
momentum either. So we are now pondering just doing raw json output
so other tools can read and parse what they want.

Paul
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