auth_to_local struggle

[miguel.sanders@arcelormittal.com]

Thanks a lot Mark!

Works fine! 


Met vriendelijke groet
Best regards
Bien à vous

Miguel SANDERS
ArcelorMittal Gent

UNIX Systems & Storage
IT Supply Western Europe | John Kennedylaan 51
B-9042 Gent

T +32 9 347 3538 | F +32 9 347 4901 | M +32478 805 023
E miguel.sanders at arcelormittal.com
www.arcelormittal.com/gent

-----Oorspronkelijk bericht-----
Van: Mark Pröhl [mailto:mark at mproehl.net] 
Verzonden: maandag 11 mei 2009 17:07
Aan: SANDERS Miguel
CC: kerberos at mit.edu
Onderwerp: Re: auth_to_local struggle

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Hi,

this works for me:

  auth_to_local = RULE:[2:$1;$2@$0](root;.*@SOMEREALM)s/;.*@SOMEREALM//g

If

Mark Pröhl


miguel.sanders at arcelormittal.com wrote:
> Hi folks
> 
> I'm struggling with the auth_to_local rule.
> I want the principal root/samehost.some.domain at SOMEREALM to be mapped to the user root.
> I created the following auth_to_local rule in krb5.conf
> 	auth_to_local = RULE:[2:$2/$1@$0](\/.*@SOMEREALM)s/\/.*@.*//
> 
> I wrote a sample test program in order to verify the authorization part:
> #include <krb5.h>
> #include <stdio.h>
> 
> int main(int argc, const char **argv){
>         if (argc != 3) {
>                 fprintf(stderr,"Number of arguments incorrect\n");
>                 fprintf(stderr,"1) Kerberos Principal 2) Mapped Local User\n");
>                 exit(1);
>         }
>         krb5_context context;
>         krb5_principal client;
>         krb5_boolean logon;
> 
>         krb5_init_context(&context);
>         krb5_parse_name(context,argv[1],&client);
> 
>         logon = krb5_kuserok(context, client, (char *)argv[2]);
>         if (logon)
>                 fprintf(stdout,"Principal %s is authorized to login as user %s\n",(char *)argv[1],(char *)argv[2]);
>         else
>                 fprintf(stderr,"Principal %s is NOT authorized to 
> login as user %s\n",(char *)argv[1],(char *)argv[2]);
> 
>         krb5_free_principal(context, client);
>         krb5_free_context(context);
> }
> 
> Unfortunately, my test program always says the following:
> 
> ./krb5 root/samehost.some.domain at SOMEREALM root Principal 
> root/samehost.some.domain at SOMEREALM is NOT authorized to login as user 
> root
> 
> What's wrong with my rule? The tranformation rule is correct AFAIK.
> 
> Thanks for your help!
> 
> Met vriendelijke groet
> Best regards
> Bien à vous
> 
> Miguel SANDERS
> ArcelorMittal Gent
> 
> UNIX Systems & Storage
> IT Supply Western Europe | John Kennedylaan 51
> B-9042 Gent
> 
> T +32 9 347 3538 | F +32 9 347 4901 | M +32478 805 023 E 
> miguel.sanders at arcelormittal.com www.arcelormittal.com/gent
> 
> 
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