KRB5_COMPARE_CREDS(3)

NAME
krb5_compare_creds - compare Kerberos 5 credentials

LIBRARY
Kerberos 5 Library (libkrb5, -lkrb5)

SYNOPSIS
#include <krb5/krb5.h>
krb5_boolean
krb5_compare_creds(krb5_context context, krb5_flags whichfields, const krb5_creds *mcreds, const krb5_creds *creds);

DESCRIPTION
krb5_compare_creds() compares mcreds (usually filled in by the application) to creds (most often from a credentials cache) and return TRUE if they are equal. Unless mcreds-server is NULL, the service of the credentials are always compared. If the client name in mcreds is present, the client names are also compared. This function is normally only called indirectly via krb5_cc_retrieve_cred(3).

The following flags, set in whichfields, affects the comparison:
KRB5_TC_MATCH_SRV_NAMEONLY
    Consider all realms equal when comparing the service principal.
KRB5_TC_MATCH_KEYTYPE
    Compare enctypes.
KRB5_TC_MATCH_FLAGS_EXACT
    Make sure that the ticket flags are identical.
KRB5_TC_MATCH_FLAGS
    Make sure that all ticket flags set in mcreds are also present in creds.
KRB5_TC_MATCH_TIMES_EXACT
    Compares the ticket times exactly.
KRB5_TC_MATCH_TIMES
    Compares only the expiration times of the creds.
KRB5_TC_MATCH_AUTHDATA
    Compares the authdata fields.
KRB5_TC_MATCH_2ND_TKT
    Compares the second tickets (used by user-to-user authentication).
KRB5_TC_MATCH_IS_SKEY
    Compares the existance of the second ticket.

SEE ALSO
krb5(3), krb5_cc_retrieve_cred(3), krb5_creds(3), krb5_get_init_creds(3), kerberos(8)