[Dovecot] Password scheme module thoughts?

[Timo Sirainen]

On Sat, 2008-10-11 at 00:05 -0700, Ian R. Justman wrote:
> Hi, all.
> 
> I have successfully deployed the code I wrote to handle Post.Office 
> password hashes.  However, I had to implement it as a hack to 
> password-scheme.c.  I'd like to implement it as a module so I don't have 
> to hack Dovecot whenever a new release comes out.  However, I had a few 
> thoughts:
> 
> 1.  I used Dovecot's own MD5 routines in my implementation because I 
> know how they behave.  However, would it make sense to distribute the C 
> sources for the MD5 routines, or would it make far more sense to have a 
> Dovecot build tree already (so I can use Dovecot's function library)?

If you're using the public MD5 functions from md5.h, you don't need a
build tree. You'll just need the md5.h. And you'll need
password-scheme.h in any case. Those headers can be installed and some
distributions have them in dovecot-devel package.

> 2.  Is there good documentation for Dovecot's plugin API?  I need it so 
> I can figure out how to write the parts which the main program call so 
> then the code can be used as a plugin.

The plugin API is really simple. At startup it calls
<plugin_name>_init() and at exit it calls <plugin_name>_deinit(). Inside
those functions you can do anything the main program could do.
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