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Re: [bug-inetutils] [PATCH 1/7] argp'fied argument parsing & tiny fixes

From: Arash Yadegarnia
Subject: Re: [bug-inetutils] [PATCH 1/7] argp'fied argument parsing & tiny fixes
Date: Sat, 30 Aug 2008 00:06:22 +0430

On Sat, 2008-08-23 at 05:01 -0400, Alfred M. Szmidt wrote: 
> Tool name: ftpd
>    ftpd/ftpd.c:
>          * Removed getopt () interface
>          * Added argp_* interface
>          * Removed usage ()
> Note that we use GNU ChangLog entries, please check the GNU Coding
> Standards, and the ChangeLog file in inetutils.

        * ftpd/ftpd.c: Include <argp.h>.  Remove include for <getopt.h>.
        (ARGP_PROGRAM_DATA): Call macro.
        (argp, args_doc, doc, argp_options): New variables.
        (parse_opt): New function.
        (usage): Function removed.
        (short_options, long_options): Variables removed.
        (main): Added new variable INDEX. Use argp to parse program

>    +const char AUTH_ARG_DESC[] = "Use AUTH for authentication, it can be:\n"
>    +"\tdefault (passwd authentication)\n"
>    +#ifdef WITH_PAM
>    +"\tpam (using pam 'ftp' module)\n"
>    +#endif
>    +#ifdef WITH_KERBEROS
>    +"\tkerberos\n"
>    +#endif
>    +#ifdef WITH_KERBEROS5
>    +"\tkderberos5\n"
>    +#endif
>    +#ifdef WITH_OPIE
>    +"\topie"
>    +#endif
>    +;
> I find this immensly ugly.  For one, AUTH_ARG_DESC is not a macro, so
> it should not be upper-case.  Secondly, I am guessing that --help will
> look completely messed up.  Something simpler would be more useful,
> just a comma seperated list of the options available.  Or simply not
> listing them at all, they should be documented in the manual.

Agreed. this is an ugly hack. But since I wasn't sure enough to move
them to the manual, I put them that way. BTW, --help looks OK, even
with those '\t'. Anyways, As you mentioned, I think the best place for them, is
the manual. Strangely, the current man page tells an awkward story for
'-a' which doesn't make any sense, at least for what it is
supposed to do.

I've added some more description about it ('-a') in the man page
which describes the argument itself and all the values it can possess.
However, 3 of 5 options are not implemented in the current code.
'Kerberos', 'Kerberos5' and 'Opie' do nothing but falling back to
'passwd' authentication. I also included them in the manual.

 * Updated ftpd patch
 * man page patch

PS, Is there any plan too add kerberos support to ftpd ? I mean do you
think it will worth the effort ?


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Attachment: man.patch
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