1 #pragma ident "%Z%%M% %I% %E% SMI" 2 /* 3 * lib/krb5/krb/princ_comp.c 4 * 5 * Copyright 1990,1991 by the Massachusetts Institute of Technology. 6 * All Rights Reserved. 7 * 8 * Export of this software from the United States of America may 9 * require a specific license from the United States Government. 10 * It is the responsibility of any person or organization contemplating 11 * export to obtain such a license before exporting. 12 * 13 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 14 * distribute this software and its documentation for any purpose and 15 * without fee is hereby granted, provided that the above copyright 16 * notice appear in all copies and that both that copyright notice and 17 * this permission notice appear in supporting documentation, and that 18 * the name of M.I.T. not be used in advertising or publicity pertaining 19 * to distribution of the software without specific, written prior 20 * permission. Furthermore if you modify this software you must label 21 * your software as modified software and not distribute it in such a 22 * fashion that it might be confused with the original M.I.T. software. 23 * M.I.T. makes no representations about the suitability of 24 * this software for any purpose. It is provided "as is" without express 25 * or implied warranty. 26 * 27 * 28 * compare two principals, returning a krb5_boolean true if equal, false if 29 * not. 30 */ 31 32 #include <k5-int.h> 33 34 /*ARGSUSED*/ 35 krb5_boolean KRB5_CALLCONV 36 krb5_realm_compare(krb5_context context, krb5_const_principal princ1, krb5_const_principal princ2) 37 { 38 if (krb5_princ_realm(context, princ1)->length != 39 krb5_princ_realm(context, princ2)->length || 40 memcmp (krb5_princ_realm(context, princ1)->data, 41 krb5_princ_realm(context, princ2)->data, 42 krb5_princ_realm(context, princ2)->length)) 43 return FALSE; 44 45 return TRUE; 46 } 47 48 krb5_boolean KRB5_CALLCONV 49 krb5_principal_compare(krb5_context context, krb5_const_principal princ1, krb5_const_principal princ2) 50 { 51 register int i; 52 krb5_int32 nelem; 53 54 nelem = krb5_princ_size(context, princ1); 55 if (nelem != krb5_princ_size(context, princ2)) 56 return FALSE; 57 58 if (! krb5_realm_compare(context, princ1, princ2)) 59 return FALSE; 60 61 for (i = 0; i < (int) nelem; i++) { 62 register const krb5_data *p1 = krb5_princ_component(context, princ1, i); 63 register const krb5_data *p2 = krb5_princ_component(context, princ2, i); 64 if (p1->length != p2->length || 65 memcmp(p1->data, p2->data, p1->length)) 66 return FALSE; 67 } 68 return TRUE; 69 } 70