Cygwin AD integration home/shell changes

[Andrey Repin]

Greetings, Corinna Vinschen!

> Here's what you get:

I finally realized, what was tingling me all this time.
The implicit fallback mechanics. I'd rather want to have explicit declaration
and a failure message in case something isn't right. Much easier to fix system
issues, when the system tell you about them.
Shouldn't be a big change, considering you already have all the facilities in
order to make it works.

>   db_home:

>     windows         AD and SAM: Utilizes the setting of the homeDrive or
>                     homeDirectory attributes, or their SAM "Home folder"
>                     counterparts.  The Windows path is converted to a
>                     POSIX path.

>     cygwin          AD only: Shortcut for the cygwinHome attribute from
>                     the predefined cygwinUser auxiliary class.  POSIX path
>                     expected.

>     unix            AD only: Shortcut for the unixHomeDirectory attribute
>                     from the posixAccount auxiliary class.  POSIX path
>                     expected.

>     desc            AD and SAM: Fetch the home="..."
>                     setting from the user's description attribute.
>                     POSIX path expected.

>     @ad_attribute   AD-only: Read AD attribute "ad_attribute" as POSIX
>                     path.
>                     
>                     However, I'm contemplating to allow a Windows path
>                     here, too.  Does this make sense to you?

>     /path           POSIX path.  Remember the wildcards.

>     fallback        If nothing works, the fallback is /home/$USERNAME
>                     (Windows username).


>   db_shell:

>     windows         Ignored.  Do you want CMD instead?

>     cygwin          AD-only: Shortcut for the cygwinShell attribute
>                     from the cygwinUser class.  POSIX path.

>     unix            AD-only: Shortcut for the loginShell attribute
>                     from the posixAccount class.  POSIX path.

>     desc            AD and SAM: Fetch the shell="" setting from the
>                     user's description attribute.  POSIX path.

>     @ad_attribute   See above.

>     /path           See above.

>     fallback        If nothing works, the fallback is /bin/bash.


>   db_gecos:

>     windows         AD and SAM: displayName attribute, or "Full Name"
>                     setting in SAM. 

>     cygwin          AD-only: cygwinGecos attribute from cygwinUser class.

>     unix            AD-only: gecos attribute from posixAccount class.

>     @ad_attribute   Read AD attribute "ad_attribute" and prepend
>                     to pw_gecos.

>     /path           Skip the slash, prepend the reminder of the string
>                     to pw_gecos.  Note that the wildcards are still
>                     evaluated.

>     fallback        If nothing works, the fallback is no fallback.


> Examples:

>   db_home: cygwin desc

>     The default.  Try the cygwinHome attribute first. If it's empty,
>     evalaute the description field and see if the home dir is set via
>     the cygwin XML-style text.  If that fails, fallback is /home/$USERNAME
>     (Windows username).

>   db_home: unix @msTSHomeDirectory /home/%u

>     Try the unixHomeDirectory attribute first.  Empty?  Try the
>     (otherwise unused) msTSHomeDirectory attribute.  Empty?  Fall back
>     to /home/$USER (Cygwin username).

>   db_gecos: @comment /Hallo%_%U

>     Try the comment attribute.  Empty?  Fall back to the string
>     "Hallo <Windows username>".  Example passwd entry:

>       corinna:*:1049577:1049701:Hallo
> corinna,U-MY_DOM\corinna,S-1-5-21-yada-yada:/home/corinna:/bin/bash

> Is this new stuff basically clear?  Questions?

> Please give it a try.


> Thanks,
> Corinna



--
WBR,
Andrey Repin (anrdaemon@yandex.ru) 03.12.2014, <10:11>

Sorry for my terrible english...


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