/*
* lib/krb5/krb/princ_comp.c
*
* Copyright 1990,1991 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* compare two principals, returning a krb5_boolean true if equal, false if
* not.
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <k5-int.h>
/*ARGSUSED*/
krb5_boolean KRB5_CALLCONV
krb5_realm_compare(krb5_context context, krb5_const_principal princ1, krb5_const_principal princ2)
{
if (krb5_princ_realm(context, princ1)->length !=
krb5_princ_realm(context, princ2)->length ||
memcmp (krb5_princ_realm(context, princ1)->data,
krb5_princ_realm(context, princ2)->data,
krb5_princ_realm(context, princ2)->length))
return FALSE;
return TRUE;
}
krb5_boolean KRB5_CALLCONV
krb5_principal_compare(krb5_context context, krb5_const_principal princ1, krb5_const_principal princ2)
{
register int i;
krb5_int32 nelem;
nelem = krb5_princ_size(context, princ1);
if (nelem != krb5_princ_size(context, princ2))
return FALSE;
if (! krb5_realm_compare(context, princ1, princ2))
return FALSE;
for (i = 0; i < (int) nelem; i++) {
register const krb5_data *p1 = krb5_princ_component(context, princ1, i);
register const krb5_data *p2 = krb5_princ_component(context, princ2, i);
if (p1->length != p2->length ||
memcmp(p1->data, p2->data, p1->length))
return FALSE;
}
return TRUE;
}
/*
* Solaris Kerberos: MS Interop requires that case insensitive comparisons of
* service and host components are performed for key table lookup, etc. Only
* called if the private environment variable MS_INTEROP is defined.
*/
krb5_boolean KRB5_CALLCONV
__krb5_principal_compare_case_ins(krb5_context context,
krb5_const_principal princ1, krb5_const_principal princ2)
{
register int i;
krb5_int32 nelem;
nelem = krb5_princ_size(context, princ1);
if (nelem != krb5_princ_size(context, princ2))
return FALSE;
if (! krb5_realm_compare(context, princ1, princ2))
return FALSE;
for (i = 0; i < (int) nelem; i++) {
register const krb5_data *p1 = krb5_princ_component(context, princ1, i);
register const krb5_data *p2 = krb5_princ_component(context, princ2, i);
if (p1->length != p2->length ||
strncasecmp(p1->data, p2->data, p1->length))
return FALSE;
}
return TRUE;
}
krb5_boolean KRB5_CALLCONV krb5_is_referral_realm(const krb5_data *r)
{
/*
* Check for a match with KRB5_REFERRAL_REALM. Currently this relies
* on that string constant being zero-length. (Unlike principal realm
* names, KRB5_REFERRAL_REALM is known to be a string.)
*/
#ifdef DEBUG_REFERRALS
#if 0
printf("krb5_is_ref_realm: checking <%s> for referralness: %s\n",
r->data,(r->length==0)?"true":"false");
#endif
#endif
assert(strlen(KRB5_REFERRAL_REALM)==0);
if (r->length==0)
return TRUE;
else
return FALSE;
}