Query, Need help for building principal and retrieving service cred from cache.

Greg Hudson ghudson at mit.edu
Mon Nov 26 12:17:16 EST 2018


On 11/26/2018 06:30 AM, Santosh Kumar wrote:
>   i'm getting crash:
> 
> (gdb) bt
> #0  0xf7673f60 in krb5_principal_compare_flags (context=0xa449930,
> princ1=0x0, princ2=0xa444ab0, flags=0) at princ_comp.c:108
> #1  0xf7674183 in krb5_principal_compare (context=0xa449930, princ1=0x0,
> princ2=0xa444ab0) at princ_comp.c:169
> #2  0xf764f1ec in standard_fields_match (context=0xa449930, whichfields=0,
> mcreds=0xfff48dc8, creds=0xfff48ba0) at cc_retr.c:67

You need to set a client principal in the matching cred.  Heimdal allows 
searching for just the server principal, but MIT's library does not.

>   should i use  code = krb5int_construct_matching_creds(context, options,
> in_creds,  &mcreds, &fields); before calling retrive from cache.

That's an internal function (as indicated by the "int" in the prefix), 
so you can't use it in an application.


More information about the Kerberos mailing list