[15995] in Kerberos_V5_Development
Re: Plugin project proposal
daemon@ATHENA.MIT.EDU (Nicolas Williams)
Thu Jul 15 16:49:26 2010
Date: Thu, 15 Jul 2010 15:48:30 -0500
From: Nicolas Williams <Nicolas.Williams@oracle.com>
To: Zhanna Tsitkova <tsitkova@mit.edu>
Message-ID: <20100715204829.GC21769@oracle.com>
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Cc: "rra@stanford.edu" <rra@stanford.edu>, "krbdev@mit.edu" <krbdev@mit.edu>
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On Thu, Jul 15, 2010 at 02:31:26PM -0500, Nicolas Williams wrote:
> On Thu, Jul 15, 2010 at 03:06:11PM -0400, Zhanna Tsitkova wrote:
> > On Jul 15, 2010, at 2:57 PM, Nicolas Williams wrote:
> > >What is used as a key to the table?
> >
> > Suppose we have the following v-table for plugin password quality:
> > /* PWD_QLTY API */
> > typedef struct {
> > int version;
> > char plugin_id[MAX_PL_NAME_LEN];
> > kadm5_ret_t (*pwd_qlty_init)(kadm5_server_handle_t);
> > void (*pwd_qlty_cleanup)();
> > kadm5_ret_t (*pwd_qlty_check)(kadm5_server_handle_t, char*,int,
> > kadm5_policy_ent_t, krb5_principal);
> > } plugin_pwd_qlty;
> >
> > Then the key may be "pwd_qlty_check"
>
> I think this is still ridiculously complicated.
Also, note that if you have a "hash table" indexed by "function_name"
then you've implemented... a light-weight dlsym(). Queue repeat of the
dlsym()-symbol-at-a-time vs. dlsym(v-table-or-function-that-returns-a-
v-table) argument.
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