1/* $NetBSD: gss_oid_equal.c,v 1.1.1.1 2011/04/13 18:14:46 elric Exp $ */ 2 3/* 4 * Copyright (c) 2006 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "mech_locl.h" 37 38/** 39 * Compare two GSS-API OIDs with each other. 40 * 41 * GSS_C_NO_OID matches nothing, not even it-self. 42 * 43 * @param a first oid to compare 44 * @param b second oid to compare 45 * 46 * @return non-zero when both oid are the same OID, zero when they are 47 * not the same. 48 * 49 * @ingroup gssapi 50 */ 51 52GSSAPI_LIB_FUNCTION int GSSAPI_LIB_CALL 53gss_oid_equal(gss_const_OID a, gss_const_OID b) 54{ 55 if (a == b && a != GSS_C_NO_OID) 56 return 1; 57 if (a == GSS_C_NO_OID || b == GSS_C_NO_OID || a->length != b->length) 58 return 0; 59 return memcmp(a->elements, b->elements, a->length) == 0; 60} 61