1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include <gssapi/gssapi.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <errno.h> 35 36 #include "utils.h" 37 38 int 39 gss_oid_equal(const gss_OID oid1, const gss_OID oid2) 40 { 41 42 if (oid1 == oid2) 43 return (1); 44 if (!oid1 || !oid2) 45 return (0); 46 if (oid1->length != oid2->length) 47 return (0); 48 if (memcmp(oid1->elements, oid2->elements, oid1->length)) 49 return (0); 50 return (1); 51 } 52 53 OM_uint32 54 _gss_copy_oid(OM_uint32 *minor_status, 55 const gss_OID from_oid, gss_OID to_oid) 56 { 57 size_t len = from_oid->length; 58 59 *minor_status = 0; 60 to_oid->elements = malloc(len); 61 if (!to_oid->elements) { 62 to_oid->length = 0; 63 *minor_status = ENOMEM; 64 return GSS_S_FAILURE; 65 } 66 to_oid->length = len; 67 memcpy(to_oid->elements, from_oid->elements, len); 68 return (GSS_S_COMPLETE); 69 } 70 71 OM_uint32 72 _gss_free_oid(OM_uint32 *minor_status, gss_OID oid) 73 { 74 75 *minor_status = 0; 76 if (oid->elements) { 77 free(oid->elements); 78 oid->elements = NULL; 79 oid->length = 0; 80 } 81 return (GSS_S_COMPLETE); 82 } 83 84 OM_uint32 85 _gss_copy_buffer(OM_uint32 *minor_status, 86 const gss_buffer_t from_buf, gss_buffer_t to_buf) 87 { 88 size_t len = from_buf->length; 89 90 *minor_status = 0; 91 to_buf->value = malloc(len); 92 if (!to_buf->value) { 93 *minor_status = ENOMEM; 94 to_buf->length = 0; 95 return GSS_S_FAILURE; 96 } 97 to_buf->length = len; 98 memcpy(to_buf->value, from_buf->value, len); 99 return (GSS_S_COMPLETE); 100 } 101 102