[31097] in Kerberos
Re: auth_to_local struggle
daemon@ATHENA.MIT.EDU (=?windows-1252?Q?Mark_Pr=F6hl?=)
Mon May 11 11:07:35 2009
Message-ID: <4A083F02.8070005@mproehl.net>
Date: Mon, 11 May 2009 17:06:42 +0200
From: =?windows-1252?Q?Mark_Pr=F6hl?= <mark@mproehl.net>
MIME-Version: 1.0
To: miguel.sanders@arcelormittal.com
In-Reply-To: <7DF29B50FFF41848BB2281EC2E71A206BA51AB@GEN-MXB-V04.msad.arcelor.net>
Cc: kerberos@mit.edu
Reply-To: mark@mproehl.net
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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@arcelormittal.com wrote:
> Hi folks
>
> I'm struggling with the auth_to_local rule.
> I want the principal root/samehost.some.domain@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@SOMEREALM root
> Principal root/samehost.some.domain@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@arcelormittal.com
> www.arcelormittal.com/gent
>
>
> ****
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