if-up et al script relocation

if-up et al script relocation

[bfc]

Is it possible to relocat the if-up, if-down, auth-up... scripts to somewhere
other than
/etc/ppp.  We'd like to use our custom scripts for our app w/o interfering
with any
customer use of PPP.

If that's not possible, is it possible to have some variant of if-up and
friends for only particular
ttyname -- the Doc shows an alternate options file for a particular ttyname,
but not the rest
of the stuff.  (OR... if there was a magic option to plant the default
scripts elsewhere.)

Thanks!
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Re: if-up et al script relocation

[Marco d'Itri]

On Feb 13, bfc <chappaquasuite@yahoo.com> wrote:

> Is it possible to relocat the if-up, if-down, auth-up... scripts to somewhere
> other than
> /etc/ppp.  We'd like to use our custom scripts for our app w/o interfering
> with any
> customer use of PPP.
Debian has a patch which does this for some of the files, it should be
made more general and submitted for inclusion.

-- 
ciao,
Marco

Re: if-up et al script relocation

[Eugene Paskevich]

On Wed, 13 Feb 2008 23:46:28 +0200, bfc <chappaquasuite@yahoo.com> wrote:

> If that's not possible, is it possible to have some variant of if-up and
> friends for only particular
> ttyname -- the Doc shows an alternate options file for a particular  
> ttyname,
> but not the rest
> of the stuff.  (OR... if there was a magic option to plant the default
> scripts elsewhere.)

Each of the scripts you mentioned is passed a tty-device as an argument,
which means you can easily put your per-tty logic into a single script.

-- 
Eugene Paskevich             |   *=)-----------   |     Plug me into
eugene@raptor.kiev.ua        |   -----------(=*   |      The Matrix

Re: if-up et al script relocation

[James Cameron]

You can relocate them by producing a custom build of pppd with a changed
value for the _PATH_IPUP define in pathnames.h.

You can also write a plug-in for your application that uses the
ip_up_hook() to call your own script using ipcp_script().  Plugins are
selected by pppd options.

Debian carries a patch to pppd that iterates through each script in
/etc/ppp/if-up.d ... this can also be found in Ubuntu ... it is made
more useful setting ipparam on the pppd options, and testing the value
within the scripts.

-- 
James Cameron                         http://quozl.netrek.org/
HP Open Source, Volunteer             http://opensource.hp.com/
PPTP Client Project, Release Engineer http://pptpclient.sourceforge.net/

Re: if-up et al script relocation

[bfc]

Thanks everyone.

We've been using a custom build for some time, and wanted to get away from
that.  Inertia being what it is, we let an
old version linger for too long (2.4.1?) and now need to move to 2.4.4 for
various fixes and its structureed differently enough
to cause a bit of real work.

I meant ip-up ip-down... not if-up if-down, DUH.  (I've made this mistake
repeatedly.)

The plugin is an interesting thought, though perhaps beyond the current
scope/schedule.  At least that would let us
continue moving forward as new pppd versions came out (we just follow RHEL
versions).

So I guess it comes down to customizing any existing ip-up/ip-down/auth-up
scripts (based on the tty), but I do like the thought of combining all of
our logic into one script.  That would reduce the clutter, and could look
something like a service script.
It can be a switch on the action, doing our little things based on the
arguments we need.

Thanks again for your responses!
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